1 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3 * jump.c (jump_optimize_1): Don't delete dead stores here.
4 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5 prior to running jump optimize before cse2.
7 2001-04-12 Stan Shebs <shebs@apple.com>
9 * objc/objc-act.c: Remove all code ifdefed with the never-used
10 macro OBJC_INT_SELECTORS.
11 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
12 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
14 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
16 * config/pa/quadlib.c: Add prototypes.
18 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20 * bitmap.h (debug_bitmap): Delete redundant prototype.
22 * rtl.h (get_frame_size): Likewise.
24 2001-04-12 Jim Wilson <wilson@redhat.com>
26 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
27 to just emit an fnorm.
29 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
31 * c-common.h (truthvalue_conversion, type_for_mode,
32 type_for_size): Delete redundant declarations.
34 * c-lex.h (is_class_name): Likewise.
36 * c-tree.h (pedantic, convert, getdecls, gettags,
37 global_bindings_p, init_decl_processing, insert_block,
38 maybe_build_cleanup, poplevel, print_lang_decl,
39 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
40 set_block, incomplete_type_error, build_function_call,
41 lvalue_or_else, mark_addressable): Likewise.
43 * expr.h (expand_tree_builtin): Likewise.
45 2001-04-12 Mark Mitchell <mark@codesourcery.com>
47 * invoke.texi: Document --param max-gcse-memory.
49 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
51 * configure.in (errno): Check for declaration.
52 * configure, config.in: Regenerated.
54 * system.h (errno): Only declare if not already done.
56 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
58 * recog.c (general_operand, immediate_operand,
59 nonmemory_operand): Require CONST_INTs to be sign-extended
60 values for their modes.
62 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
64 * expmed.c (store_bit_field): Truncate CONST_INTs.
65 (expand_mult_highpart, expand_divmod): Likewise.
66 * expr.c (convert_modes, store_field): Likewise.
67 * integrate.c (expand_inline_function): Use promote_mode() to
68 determine whether to convert_modes() an argument as signed
70 * optabs.c (expand_binop): Get CONST_INT operands
71 sign-extended for their appropriate modes.
72 * stmt.c (emit_case_nodes): Convert node values to the
74 (expand_end_case): Convert minval and range to the appropriate
76 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
77 the iteration variable.
78 * varasm.c (immed_double_const): Don't require words to be
79 narrower than host wide ints to properly sign-extend
82 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
84 * sh.md (builtin_setjmp_receiver): New expander.
86 2001-04-12 David Edelsohn <dje@watson.ibm.com>
88 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
89 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
90 for generating CONST_INT and CONST_DOUBLE.
92 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
94 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
95 already sign-extended.
96 (rs6000_emit_prologue): Make register iterator signed.
97 (rs6000_emit_epilogue): Likewise.
98 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
100 (movsf split, movdf split): Sign-extend CONST_INTs.
101 (movdi splits): Likewise.
103 2001-04-12 Kelley Cook <kelley.cook@home.com>
105 * config-lang.in (lang_dirs): Add in zlib.
107 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
109 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
110 operands that make it to RTL.
112 2001-04-11 Stan Shebs <shebs@apple.com>
114 Add Darwin (Mac OS X kernel) native support.
115 * config.gcc (powerpc-*-darwin*): Add native bits.
116 * config/darwin.c: New file, generic Darwin support functions.
117 * config/darwin.h: New file, generic Darwin definitions.
118 * config/darwin-protos.h: New file, generic Darwin prototypes.
119 * rs6000/darwin.h: New file, Darwin for PowerPC.
120 * rs6000/t-darwin: New file, Darwin makefile fragment.
121 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
122 (TARGET_MACHO): Ditto.
123 (rs6000_abi): Add ABI_DARWIN.
124 (RS6000_REG_SAVE): Add ABI_DARWIN case.
125 (RS6000_SAVE_AREA): Ditto.
126 (FP_ARG_MAX_REG): Ditto.
127 (RETURN_ADDRESS_OFFSET): Ditto.
128 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
130 (rs6000_emit_move): Add ABI_DARWIN cases.
131 (print_operand): Ditto.
132 (first_reg_to_save): Ditto.
133 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
134 (debug_stack_info): Ditto.
135 (rs6000_emit_prologue): Ditto.
136 (rs6000_emit_epilogue): Ditto.
137 (output_profiler_hook): Ditto.
138 (output_function_profiler): Ditto.
139 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
140 (output_mi_thunk): Add TARGET_MACHO case.
141 (add_compiler_stub): Ditto.
142 (output_compiler_stub): Ditto.
143 (no_previous_def): Ditto.
144 (output_call): Ditto.
145 (machopic_output_stub): Ditto.
146 (rs6000_machopic_legitimize_pic_address): Ditto.
147 (toc_section): Ditto.
148 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
152 (load_macho_picbase): Ditto.
153 (call): Add TARGET_MACHO case to modify function.
155 (call_nonlocal_sysv): Add ABI_DARWIN case.
156 (call_value_nonlocal_sysv): Ditto.
157 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
159 (machopic_output_stub): Ditto.
160 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
162 2001-04-11 Mark Mitchell <mark@codesourcery.com>
164 * dwarf2out.c (modified_type_die): Don't create new types here.
165 * tree.h (get_qualified_type): New function.
166 (build_qualified_type): Adjust comment.
167 * tree.c (get_qualified_type): New function.
168 (build_qualified_type): Use it.
170 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
172 * cpp.texi (-Wtraditional): Update description.
174 * invoke.texi (-Wtraditional): Likewise.
176 2001-04-11 Jim Wilson <wilson@redhat.com>
178 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
179 requires more than 64 bits of alignment.
181 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
183 * cpplib.c (do_line): Sanity check iff enable checking.
185 2001-04-11 Richard Henderson <rth@redhat.com>
187 * Makefile.in (insn-recog.o): Depend on toplev.h.
188 (insn-emit.o, doloop.o): Likewise.
189 * genrecog.c, genemit.c: Include toplev.h in generated file.
190 * doloop.c: Include toplev.h.
192 2001-04-11 Mark Mitchell <mark@codesourcery.com>
194 * Makefile.in (gcse.o): Depend on params.h.
195 * gcse.c: Include params.h.
196 (gcse_main): Don't do GCSE if doing so will take inordinate
198 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
199 * params.h (MAX_GCSE_MEMORY): New macro.
201 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
203 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
205 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
207 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
211 * real.h (ereal_atof, real_value_truncate, target_isnan,
212 target_isinf, target_negative, assemble_real, debug_real): Delete
213 redundant prototypes.
215 * Makefile.in (ifcvt.o): Depend on toplev.h.
217 * c-semantics.c: Include expr.h.
219 * ifcvt.c: Include toplev.h.
221 * expr.h (rtx_equal_p): Delete prototype.
223 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
224 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
225 eliminate_constant_term, expand_complex_abs, find_single_use,
226 make_tree, init_expr_once, init_optabs, supports_one_only):
229 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
230 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
231 expand_assignment, store_expr, emit_line_note_after,
232 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
234 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
236 * sparc-protos.h: Delete redundant prototypes.
238 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
240 * reload.c (push_reload): Add condition missed in SUBREG byte
243 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
245 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
247 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
249 * i386.md (floatsisf_sse): Fix output template
250 * i386.c (ix86_expand_fp_movcc)
252 * reg-stack.c (emit_pop_insn): Handle complex modes.
253 (move_for_stack_reg): Emit proper move mode.
254 (subst_stack_regs_pat): Handle complex modes.
256 2001-04-11 Jakub Jelinek <jakub@redhat.com>
258 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
260 2001-04-10 Richard Henderson <rth@redhat.com>
262 * libgcc2.h (__terminate_func_ptr): Remove typedef.
263 (__pure_virtual, __terminate, __terminate_set_func,
264 __default_terminate, __throw_type_match, __empty,
265 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
266 __eh_rtime_match, __unwinding_cleanup, __rethrow,
267 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
268 Remove prototypes of deleted functions.
270 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
272 * c-typeck.c (convert_arguments): -Wtraditional now activates
273 -Wconversion warnings, except for changes in signed-ness.
274 Detect complex<->int & int<->complex conversions as well.
276 * invoke.texi (-Wtraditional): Document it.
278 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
280 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
281 * flow.c (set_block_for_new_insns): Remove needless cast and
282 properly check for unset block number.
284 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
286 * function.c (purge_single_hard_subreg_set): Only check REGNO if
287 the subreg was a hard register. Pseudos are left as subregs.
289 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
291 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
292 (LIB2ADD_ST): New macro, pass it to mklibgcc.
293 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
294 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
295 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
297 2001-04-09 Bo Thorsen <bo@suse.co.uk>
299 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
301 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
303 * output.h (set_block_num): Missed it earlier, remove deprecated
306 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
308 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
309 (load_killed_in_block_p): Change bb parameter from int to basic_block.
310 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
311 (handle_rd_kill_set): Change bb parameter from int to basic_block.
312 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
313 (expr_killed_p): Change bb parameter from int to basic_block, pass
314 basic_blocks instead of ints as parameters.
315 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
316 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
317 from int to basic_block, pass basic_blocks instead of ints as parms.
318 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
319 parameter from int to basic_block, pass basic_blocks instead of ints.
320 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
321 (insert_insn_end_bb): Change bb parameter from int to basic_block,
322 pass basic_blocks instead of ints.
323 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
324 basic_blocks instead of ints as parameters.
325 (pre_delete): Pass basic_blocks instead of ints as parameters.
326 (hoist_expr_reaches_here_p): Change bb parameter from int to
327 basic_block, pass basic_blocks instead of ints.
328 (hoist_code): Pass basic_blocks instead of ints as parameters.
329 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
330 Change bb parameter from int to basic_block.
331 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
332 (insert_insn_start_bb): Change bb parameter from int to basic_block,
333 pass basic_blocks instead of ints.
334 (insert_store): Pass basic_blocks instead of ints as parameters.
335 (replace_store_insn, delete_store): Change bb parameter from int to
336 basic_block, pass basic_blocks instead of ints.
337 (store_motion): Pass basic_blocks instead of ints as parameters.
339 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
341 * basic-block.h (set_new_block_for_insns): New Prototype.
342 (set_block_num): Delete prototype.
343 * flow.c (set_block_num): Remove obsolete function.
344 (set_block_for_new_insns): Set BB for single or multiple insns.
345 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
346 (process_insn_end_bb): Use set_block_for_new_insns or
347 set_block_for_insn instead of set_block_num.
348 (pre_insert_copy_insn): Use set_block_for_new_insns.
349 (update_ld_motion_stores): Use set_block_for_new_insns.
350 (insert_insn_start_bb): Use set_block_for_new_insns.
351 (replace_store_insn): Use set_block_for_new_insns.
353 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
354 Jeff Law <law@redhat.com>
356 * alias.c (get_addr): Externalize.
357 (canon_true_dependence): New function. Behaves like true_dependance
358 except it already assumes a MEM has been canonicalized.
359 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
360 * gcse.c (struct ls_expr): Add load/store expressions structure.
361 (modify_mem_list, canon_modify_mem_list): New variable.
362 (gcse_main): Initialize & finalize alias analysis. Use enhanced
363 load motion and store motion if requested.
364 (alloc_gcse_mem): Allocate space for modify_mem_list array.
365 (free_gcse_mem): Free the modify_mem_list array.
366 (oprs_unchanged_p): Use load_killed_in_block_p.
367 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
368 (mems_conflict_for_gcse_p): New function. Don't kill loads
369 with stores to themselves if its in the load/store expression list.
370 (load_killed_in_block_p): New function.
371 (canon_list_insert): New Function.
372 (record_last_mem_set_info): Keep a list of all instructions which
373 can modify memory for each basic block.
374 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
375 (oprs_not_set_p): Use load_killed_in_block_p.
376 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
377 (expr_killed_p): Use load_killed_in_block_p.
378 (compute_transp): Do not pessimize memory references.
379 (pre_edge_insert): Update stores for a load motion expression.
380 (one_pre_gcse_pass): Check loads/stores for extra load motion.
381 (ldst_entry): Find or create a ldst_expr structure.
382 (free_ldst_entry): Free memory for an individual item.
383 (free_ldst_mems): Free entire load/store expression list.
384 (print_ldst_list): Print debug info.
385 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
386 (enumerate_ldsts): Assign integer values to each entry in list.
387 (first_ls_expr): First expression in the list.
388 (next_ls_expr): Next expression in the list.
389 (simple_mem): Check if expression qualifies for ld/st expression list.
390 (invalidate_any_buried_refs): Remove from expression list if its
391 used in some other way we dont understand.
392 (compute_ld_motion_mems): Find all potential enhanced load motion
394 (trim_ld_motion_mems): Remove any expressions which are invalid.
395 (update_ld_motion_stores): Copy store values to registers for loads
396 which have been moved.
397 (regvec, st_antloc, num_store): New global statics.
398 (reg_set_info): Marks registers as set.
399 (store_ops_ok): Verfies registers expressions are valid in a block.
400 (find_moveable_store): Look for moveable stores in a pattern.
401 (compute_store_table): Find stores in a function worth moving, maybe.
402 (load_kills_store): Check dependance of a load and store.
403 (find_loads): Find any loads in a pattern.
404 (store_killed_in_insn): Check if a store is killed in an insn.
405 (store_killed_after): Check is store killed after an insn in a block.
406 (store_killed_before): Check is store killed before an insn in a block.
407 (build_store_vectors): Generate the antic and avail vectors.
408 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
409 (insert_store): Add a store to an edge.
410 (replace_store_insn): Replace a store with a SET insn.
411 (delete_store): Delete a store insn.
412 (free_store_memory): Free memory.
413 (store_motion): Perform store motion.
414 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
415 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
416 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
417 (f_options): Add gcse-lm and gcse-sm.
419 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
421 * i386.c (expand_fp_movcc): Fix condition reversal code.
423 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
424 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
425 (CLASS_MAX_NREGS): Use it.
427 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
428 handle properly complex values.
429 (CLASS_MAX_NREGS): Likewise; update comment.
431 2001-04-05 Bernd Schmidt <bernds@redhat.com>
433 * ia64.c (ia64_flag_schedule_insns2): New variable.
434 (ia64_override_options): Initialize it. Clear
435 flag_schedule_insns_after_reload.
436 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
438 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
440 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
441 Do not require source to match destination anymore;
442 Add abort to the nontrivial cases that should be handled by split.
443 (fix_trunc?fdi): Add SSE case for x86_64.
444 (floatdi?f): Likewise.
445 (floatdi?f_sse): New.
446 (fix_trunc?fdi_sse): New.
448 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
450 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
451 (DEBUG_ARANGES_END_LABEL): Ditto.
452 (dwarfout_init): Generate length and version fields at the start
453 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
454 after the length field.
455 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
456 the .debug_aranges info.
458 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
460 * i386.c (call, call_value): Make sure that resulting call_insn
461 does have proper second operand.
463 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
465 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
466 function. Remove include of sys/cygwin.h.
468 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
470 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
471 (CPP_SPEC): Always search */include/w32api for header files.
472 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
473 (LINK_SPEC): Add "cyg" to the library search prefixes.
475 2001-04-08 Philip Blundell <philb@gnu.org>
477 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
479 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
481 * cpperror.c (print_location): Don't special case <stdin>.
482 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
483 WARNING, but we don't check if we're in system headers.
484 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
485 * cpplib.c (do_warning): Warn in system headers.
487 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
489 * mbchar.c: Include config.h first.
491 2001-04-07 Zack Weinberg <zackw@stanford.edu>
493 * config.gcc: Set default for xmake_file at top, not bottom.
494 Change places that set xmake_file to "none" to set to the
495 empty string instead, or remove them entirely if there is no
496 default xmake_file for this cpu_type. Remove references to
499 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
500 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
501 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
502 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
503 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
504 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
505 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
506 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
507 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
508 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
511 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
512 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
513 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
514 config/mips/x-sysv, config/rs6000/x-aix31:
515 Just set CLIB to -lld or -lmld, as appropriate.
517 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
518 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
519 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
520 config/mips/x-iris, config/pa/x-pa:
521 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
522 OTHER_FIXINCLUDES_DIRS.
524 * config/i386/x-djgpp: Don't set LN or LN_S.
525 * config/m88k/x-dolph: Don't define __m88k__.
526 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
527 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
528 * config/i860/fx2800.h: No need to #undef SVR4.
530 38 x-host fragments remain, 2 x-cpu.
532 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
534 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
536 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
538 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
540 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
542 * configure.in: Add check for lstat.
543 * configure, config.in: Regenerate.
544 * cppinit.c (append_include_chain): Make empty path ".".
545 * cpplib.c (do_line): Don't simplify #line paths.
546 * cppfiles.c (remove_component_p): New function.
547 (find_or_create_entry): Acknowledge stat () errors during
549 (handle_missing_header): Don't simplify paths.
550 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
551 the empty path untouched. Don't leave a trailing '/'.
553 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
555 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
556 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
558 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
560 * cppfiles.c (open_file): Fail directories silently, but
561 with an errno of NOENT set.
562 (read_include_file): Move the common exit code to the sole
563 caller. Return an int indicating success or failure. Let
564 open_file handle directories.
565 (stack_include_file): If read_include_file fails,
566 push a "null" buffer.
568 2001-04-05 DJ Delorie <dj@redhat.com>
570 * function.h (virtuals_instantiated): Declare.
571 * function.c: (virtuals_instantiated): Make global.
572 * calls.c (emit_library_call_value_1): Use
573 virtual_outgoing_args_rtx only if it hasn't been instantiated.
574 Otherwise, use the stack pointer directly.
576 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
578 * i386.c (x86_initialize_trampoline): New global function.
579 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
580 (INITIALIZE_TRAMPOLINE): Move offline.
581 * i386-protos.h (x86_initialize_trampoline): Declare.
583 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
585 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
586 (lea_0): Rename to lea_1.
587 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
588 (lea_general_?): Allow SImodes on TARGET_64BIT
589 (lea_general_?_zext): New patterns.
590 (call_1, call_1_rex64): Fix.
592 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
594 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
596 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
598 * i386.c (function_arg): Return constm1_rtx for last argument.
599 (ix86_expand_prologue): Update gen_call calls.
600 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
601 * i386.md (call_pop): Likewise.
602 (call): Second operand is VOIDmode.
603 (call_0): Likewise; Support 64bits.
604 (call_exp): New expander.
605 (call_1): Get to the sync.
606 (call_1_exp): New pattern.
607 (call_value): Support 64bit.
608 (call_value_exp): New pattern.
609 (untyped_call): Update gen_call call.
610 (call_value_pop): Disable for 64bit.
611 (call_value_0_rex64): New pattern.
612 (call_value_1_rex64): Likewise.
614 2001-04-05 Bo Thorsen <bo@suse.de>
616 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
618 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
620 * i386.md (*andsi_1+3): If used after reload, make sure the operand
621 satisfies ANY_QI_REG_P.
623 2001-04-05 Bernd Schmidt <bernds@redhat.com>
625 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
628 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
631 2001-04-04 Zack Weinberg <zackw@stanford.edu>
633 * config.gcc: Remove default for xm_file. Clean up local
634 machine type handling. Remove settings of xm_file to
635 something that doesn't exist. In the big switch, set xm_file,
636 don't append to it (the value before the big switch is always
637 null). Don't force build_xm_file or host_xm_file to have a value.
638 * configure.in: Remove default for xm_file. Do not special
639 case $cpu/xm-$cpu.h not existing.
640 * configure: Regenerate.
642 2001-04-04 Diego Novillo <dnovillo@redhat.com>
644 * simplify-rtx.c (simplify_binary_operation): Check for overflow
645 when folding integer division and modulo operations.
647 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
649 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
650 instead of DWARF2_ADDR_SIZE for EH addresses.
651 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
654 2001-04-04 Richard Henderson <rth@redhat.com>
656 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
657 * config/ia64/t-glibc (LIB2ADDEH): Disable.
658 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
660 2001-04-04 Richard Henderson <rth@redhat.com>
662 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
663 * configure: Rebuilt.
665 2001-04-04 Jakub Jelinek <jakub@redhat.com>
667 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
668 push insns to delete to it instead of deleting them.
669 (delete_null_pointer_checks): Delete insns from delete_list after
670 all delete_null_pointer_checks_1 passes are done.
672 2001-04-04 Richard Henderson <rth@redhat.com>
674 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
675 * configure: Rebuilt.
677 2001-04-04 Zack Weinberg <zackw@stanford.edu>
679 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
680 * config/romp/xm-romp.h: Delete.
682 2001-04-04 Bernd Schmidt <bernds@redhat.com>
684 * sched-deps.c (sched_analyze_insn): Partially revert March 27
687 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
689 * emit-rtl.c (mark_label_nuses) Increment the label uses for
690 all labels present in rtx.
691 (try_split) Call new function for all split insns.
693 2001-04-04 Jakub Jelinek <jakub@redhat.com>
695 * recog.c (validate_replace_rtx_1): Instead of aborting just make
696 sure the change won't be validated.
698 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
700 * rtl.h (set_noop_p): Declare.
701 * flow.c (set_noop_p): Move from here ...
702 * rtlanal.c (set_noop_p): ... to here and enhance.
703 * cse.c (delete_trivially_dead_insns): Use it.
704 * gcse.c (hash_scan_set): Likewise.
705 * jump.c (delete_noop_moves): Likewise.
706 * recog.c (split_all_insns): Likewise.
708 2001-04-04 Alan Modra <alan@linuxcare.com.au>
710 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
711 stack pointer via a LO_SUM. Ditto for setting a temp register
712 used to save to the stack. Set cfa_temp when setting fp, and
713 allow matches to cfa_temp in addition to cfa_store when saving
714 regs. Handle POST_INC and LO_SUM register stores. Document the
715 changes and errors in rule 12 doco.
717 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
718 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
719 (load_reg): Move closer to epilogue code.
720 (DO_FRAME_NOTES): Define to control the following..
721 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
722 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
724 (hppa_expand_epilogue): Likewise.
726 2001-04-03 Richard Henderson <rth@redhat.com>
728 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
729 * configure: Rebuild.
731 2001-04-03 Richard Henderson <rth@redhat.com>
733 * rtl.h (LCT_THROW): New.
734 * calls.c (emit_library_call_value_1): Handle it.
735 * except.c (connect_post_landing_pads): Use it.
737 2001-04-03 Zack Weinberg <zackw@stanford.edu>
739 * gansidecl.h: Delete file.
740 * configure.in: Change all refs to gansidecl.h to use
741 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
743 * configure: Regenerate.
745 * Makefile.in (intl.o): Don't depend on gansidecl.h.
746 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
747 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
748 Don't include gansidecl.h.
749 * intl.c, main.c, version.c, fixinc/fixlib.h,
750 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
753 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
755 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
758 2001-04-03 Zack Weinberg <zackw@stanford.edu>
760 * config/i386/xm-beos.h, config/i386/xm-isc.h,
761 config/i386/xm-next.h, config/i386/xm-sco.h,
762 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
763 config/m88k/xm-m88k.h: Delete.
765 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
766 * config/romp/xm-romp.h: Don't define bcopy.
767 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
768 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
770 * config.gcc: Remove references to deleted files.
772 14 xm-host.h remain, 1 xm-cpu.h.
774 2001-04-03 Jakub Jelinek <jakub@redhat.com>
775 David S. Miller <davem@pierdol.cobaltmicro.com>
776 Andrew MacLeod <amacleod@redhat.com>
778 Use byte offsets in SUBREGs instead of words.
780 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
781 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
782 to pass new argument.
783 (add_stored_regs): Use subreg_regno_offset function.
784 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
786 (precompute_arguments): Use gen_lowpart_SUBREG.
787 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
788 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
789 (simplify_set): Rework to use SUBREG_BYTE.
790 (expand_field_assignment): Use SUBREG_BYTE.
791 (make_extraction): Use SUBREG_BYTE.
792 (if_then_else_cond): Use SUBREG_BYTE.
793 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
794 (gen_lowpart_for_combine): Compute full byte offset.
795 * cse.c (mention_regs): Use SUBREG_BYTE.
796 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
797 (canon_hash): Use SUBREG_BYTE.
798 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
799 (gen_lowpart_if_possible): Formatting.
800 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
802 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
803 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
804 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
805 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
806 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
807 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
808 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
809 certain invariants about SUBREGs the compiler creates.
810 (gen_lowpart_SUBREG): New function.
811 (subreg_hard_regno): New function to get the final register number.
812 (gen_lowpart_common): Use SUBREG_BYTE.
813 (gen_imagpart): Spacing nits.
814 (subreg_realpart_p): Use SUBREG_BYTE.
815 (gen_highpart): Use SUBREG_BYTE.
816 (subreg_lowpart_p): Always compute endian corrected goal offset,
817 even at the byte level, then compare against that.
818 (constant_subword): New function, pulled out all constant cases
819 from operand_subword and changed second argument name to offset.
820 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
821 and call constant_subword to do the work. Return const0_rtx if
822 looking for a word outside of OP.
823 (operand_subword_force): Change second arg name to offset.
824 * expmed.c (store_bit_field): Use SUBREG_BYTE.
825 (store_split_bit_field): Use SUBREG_BYTE.
826 (extract_bit_field): Use SUBREG_BYTE.
827 (extract_split_bit_field): Use SUBREG_BYTE.
828 (expand_shift): Use SUBREG_BYTE.
829 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
830 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
831 * flow.c (set_noop_p): Use SUBREG_BYTE.
832 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
833 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
834 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
836 (optimize_bit_field): Use SUBREG_BYTE.
837 (purge_addressof_1): Use SUBREG_BYTE.
838 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
839 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
840 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
841 * gengenrtl.c (special_rtx): Add SUBREG.
842 * global.c (mark_reg_store): Use SUBREG_BYTE.
843 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
844 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
845 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
846 final byte offset is congruent to subreg's mode size.
847 (subst_constants): Use SUBREG_BYTE.
848 (mark_stores): Use subreg_regno_offset function.
849 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
850 function and SUBREG_BYTE.
851 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
852 (reg_is_born): Use subreg_hard_regno.
853 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
854 endian correction code. Don't combine subregs unless resulting
855 offset aligns with type. Fix subreg constant extraction for DImode.
856 Simplify SUBREG of VOIDmode CONST_DOUBLE.
857 (general_operand): Remove dead mode_altering_drug code.
858 (indirect_operand): Use SUBREG_BYTE.
859 (constrain_operands): Use subreg_regno_offset function.
860 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
861 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
862 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
863 * regs.h (REG_SIZE): Allow target to override.
864 (REGMODE_NATURAL_SIZE): New macro which target can override.
865 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
866 on the entire subreg rtx.
867 (push_reload): Use SUBREG_BYTE in comments and code.
868 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
869 for hard registers inside subregs.
870 (operands_match_p): Use subreg_regno_offset.
871 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
872 containing hard regs.
873 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
874 corrections when fixing up MEM subregs.
875 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
876 subreg_regno_offset where appropriate.
877 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
878 byte endian corrections when fixing up MEM subregs.
879 (subst_reloads): When combining two subregs, make sure final
880 offset is congruent to subreg's mode size.
881 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
882 (refers_to_regno_for_reload_p): Use subreg_regno.
883 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
884 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
885 correction code for memory subreg fixups.
886 (forget_old_reload_1): Use subreg_regno_offset.
887 (choose_reload_regs): Use subreg_regno.
888 (emit_input_reload_insns): Use SUBREG_BYTE.
889 (reload_combine_note_store): Use subreg_regno_offset.
890 (move2add_note_store): Use subreg_regno_offset.
891 * resource.c (update_live_status, mark_referenced_resources): Use
892 subreg_regno function.
893 (mark_set_resources): Use subreg_regno function.
894 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
895 (subreg_regno_offset, subreg_regno): Define prototypes.
896 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
897 (gen_lowpart_SUBREG): Add prototype.
898 * rtl.texi (subreg): Update to reflect new byte offset representation.
899 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
900 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
901 (reg_overlap_mentioned_p): Use subreg_regno.
902 (replace_regs); Make sure final offset of combined subreg is
903 congruent to size of subreg's mode.
904 (subreg_regno_offset): New function.
905 (subreg_regno): New function.
906 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
907 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
908 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
909 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
910 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
911 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
912 (a29k_get_reloaded_address): Use SUBREG_BYTE.
913 (print_operand): Use SUBREG_BYTE.
914 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
915 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
916 (arm_reload_out_hi): Use SUBREG_BYTE.
917 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
918 instead of SUBREG_WORD.
919 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
920 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
921 SUBREG creation to use byte offset.
922 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
923 inverted load insns): Fix explicit rtl subregs to use byte
925 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
926 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
927 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
928 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
930 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
931 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
932 offsets, also make sure it is congruent to SUBREG's mode size.
933 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
934 unnamed ldob insn): Generate SUBREGs with byte offset.
935 (zero_extendqihi2): SUBREG's are byte offsets.
936 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
937 (m68hc11_gen_highpart): Use SUBREG_BYTE.
938 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
939 zero-extendqisi2): Generate SUBREGs with byte offset.
940 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
941 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
942 subregs in rtl to use byte offsets.
943 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
944 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
945 (mips_move_2words): Use subreg_regno_offset.
946 (mips_secondary_reload_class): Use subreg_regno_offset.
947 * config/mips/mips.md (DImode plus, minus, move, and logical op
948 splits): Fixup explicit subregs in rtl to use byte offsets.
949 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
950 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
951 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
952 rtl to use byte offsets.
953 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
954 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
955 subregs to use byte offsets.
956 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
957 Fixup explicit subregs in rtl to use byte offsets.
958 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
959 and remove byte endian correction code.
960 * config/sh/sh.c (output_movedouble): Use subreg_regno.
961 (gen_ashift_hi): Use SUBREG_BYTE.
962 (regs_used): Use subreg_regno_offset.
963 (machine_dependent_reorg): Use subreg_regno_offset.
964 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
965 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
966 (movdf_i4): Subregs are byte offsets now.
967 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
968 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
969 (REGMODE_NATURAL_SIZE): Override.
970 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
971 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
973 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
974 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
975 extendqidi2): Generate SUBREGs with byte offsets, also make sure
976 it is congruent to SUBREG's mode size.
977 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
979 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
980 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
981 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
982 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
983 * config/v850/v850.c (print_operand, output_move_double): Use
984 subreg_regno function.
986 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
988 * configure.in (target_subdir): Use target_alias, not target.
989 * configure: Rebuilt.
991 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
993 * config/sh/crti.asm: Fix typos in comments.
995 2001-04-03 Alan Modra <alan@linuxcare.com.au>
997 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
998 TARGET_FAST_INDIRECT_CALLS.
999 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1001 (return_addr_rtx): Short circuit export stub matching when
1002 TARGET_NO_SPACE_REGS.
1003 (output_millicode_call): For out of range calls, make -fPIC
1004 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1005 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1006 * pa.md: Modify length attr calculation of all millicode insns to
1009 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1011 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1012 Require at least 2.11 in the version test. Specifically check
1013 for and reject GAS version 2.10.90.
1014 * configure: regenerate.
1016 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1018 * pa.c (override_options): Remove PIC profiling warning.
1019 (hp_profile_labelno): Delete.
1020 (hp_profile_label_rtx): Delete.
1021 (hp_profile_label_name): Delete.
1022 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1023 (output_function_prologue): Remove profiling code and all tests on
1024 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1025 merge_sp_adjust_with_store can work for PIC and profiling.
1026 (hppa_expand_epilogue): Remove profile_flag test.
1027 (hppa_can_use_return_insn_p): Likewise.
1028 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1029 cater for PROFILE_HOOK.
1030 (hppa_profile_hook): New function.
1031 * pa.h (FUNCTION_PROFILER): Now does nothing.
1032 (PROFILE_HOOK): Define.
1033 (hppa_profile_hook): Declare.
1034 (PROFILE_BEFORE_PROLOGUE): Delete.
1035 (ASM_OUTPUT_REG_PUSH): Delete.
1036 (ASM_OUTPUT_REG_POP): Delete.
1037 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1038 r24. Accept function name operand, and use this and a locally
1039 generated label to calculate pc-rel offset to func start.
1041 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1043 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1044 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1047 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1049 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1050 LO_SUM cases to where they belong.
1052 2001-04-02 Richard Henderson <rth@redhat.com>
1054 * except.h (lang_eh_type_covers): Mark extern.
1055 (lang_eh_runtime_type): Likewise.
1057 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1059 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1060 gengenrtl.c: Wrap generated header in multiple-include guard.
1061 Improve error checking.
1063 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1065 * configure.in: Don't check for putenv.
1066 * configure: Regenerate.
1067 * gcc.c (putenv): Don't define.
1068 * vax/xm-vms.h: Handle putenv.
1070 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1072 * ifcvt.c (noce_emit_move_insn): New.
1073 (noce_try_store_flag, noce_try_store_flag_constants,
1074 noce_try_store_flag_inc, noce_try_store_flag_mask,
1075 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1076 noce_try_abs): Use it.
1077 (noce_process_if_block): Likewise.
1078 For STRICT_LOW_PART, take mode from its SUBREG.
1080 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1082 * fold-const.c (fold): Before optimizing unsigned comparison with
1083 0x7fffffffU, make sure arg0 is integral type.
1085 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1087 * c-tree.texi: Document representation of wide strings.
1089 2001-04-01 Richard Henderson <rth@redhat.com>
1091 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1093 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1095 * i386.md: remove obsoleted comments.
1096 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1097 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1098 fix output template.
1100 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1102 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1104 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1106 * loop.c (load_mems): When generating a load from a pseudo, update
1109 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1111 * i386.c (ix86_split_long_move): Use change address to compensate
1112 stack pointer change in push instruction.
1114 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1116 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1117 instead of rtx_equal_p; fix the output template.
1119 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1121 * i386.c (ix86_expand_setcc): Support 64bit.
1122 (ix86_expand_int_movcc): Likewise.
1123 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1126 * i386.md (allocate_stack_worker): Turn to expander.
1127 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1129 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1131 2001-03-29 Richard Henderson <rth@redhat.com>
1133 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1135 2001-03-28 Matthew Hiller <hiller@redhat.com>
1137 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1140 * MAINTAINERS: Added self.
1142 2001-03-28 Richard Henderson <rth@redhat.com>
1144 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1145 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1147 2001-03-28 Jim Wilson <wilson@redhat.com>
1149 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1152 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1154 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1156 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1159 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1161 2001-03-28 DJ Delorie <dj@redhat.com>
1163 * Makefile.in (stage1_build): Revert CFLAGS patch.
1165 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1167 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1168 when multiplier or multiplicand is zero.
1170 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1172 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1174 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1176 (set_src_needs_barrier): Likewise.
1177 (rtx_needs_barrier): For SET case, use these two functions. Rework
1178 PARALLEL case to handle all inputs before all outputs.
1179 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1180 saw a label and no stop bit since then.
1181 (maybe_rotate, process_epilogue): Add prototypes.
1183 2001-03-28 Richard Henderson <rth@redhat.com>
1185 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1186 not TARGET_TOC for special toc restore handling.
1187 * config/rs6000/rs6000.md (eh_return): Likewise.
1189 2001-03-28 Richard Henderson <rth@redhat.com>
1191 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1192 current_function_calls_eh_return.
1193 (output_function_epilogue): Handle eh_return.
1194 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1195 (EH_RETURN_DATA_REGNO): New.
1196 (EH_RETURN_STACKADJ_RTX): New.
1197 (EH_RETURN_HANDLER_RTX): New.
1198 * config/sparc/sparc.md (call/short branch peepholes): Check
1199 can_throw_internal instead of in_same_eh_region.
1201 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1202 for eh_return data registers.
1203 (rs6000_emit_prologue): Save eh_return data registers.
1204 (rs6000_emit_epilogue): Force inline restores if eh_return.
1205 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1206 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1207 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1208 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1209 the target uses one.
1210 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1211 (return_eh_si, return_eh_di): Remove.
1212 (eh_return): New, from corpse of eh_epilogue.
1213 (eh_set_lr_si, eh_set_lr_di): New.
1215 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1216 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1217 True for pic register if current_function_calls_eh_return.
1218 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1219 Handle eh_return requirements.
1220 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1221 (EH_RETURN_STACKADJ_RTX): New.
1222 * config/i386/i386.md (exception_receiver): Remove.
1223 (eh_return, eh_return_1): New.
1224 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1226 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1227 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1228 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1229 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1230 (EH_RETURN_DATA_REGNO): New.
1231 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1232 * config/alpha/alpha.md (eh_epilogue): Remove.
1233 (exception_receiver): Use $26 for ldgp input.
1234 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1236 2001-03-28 Richard Henderson <rth@redhat.com>
1238 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1239 * except.h: Likewise.
1241 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1242 (LIB2ADDEHDEP): New.
1243 (LIB2FUNCS_EH): Remove.
1244 (LIB2ADD): Remove LIB2ADDEH.
1245 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1246 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1247 (crt{begin,end}[S].o): Likewise.
1248 (except.o): Update includes.
1249 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1250 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1252 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1253 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1254 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1255 * builtins.c (expand_builtin): Implement it.
1256 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1257 * c-common.c (c_common_nodes_and_builtins): Declare it.
1258 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1259 * calls.c (libfunc_nothrow): Remove.
1260 (emit_library_call_value_1): Don't call it.
1261 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1262 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1263 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1264 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1265 (current_funcdef_number): Globalize.
1266 (output_call_frame_info): Emit frame data if an lsda is needed.
1267 Generate augmentation for personality routine. Don't play with
1269 (dwarf2out_begin_prologue): Record funcdef_number.
1270 * dwarf2out.h (current_funcdef_number): Declare.
1271 * expr.c (expand_expr): Update for except.h name changes.
1272 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1273 * expr.h (LTI_throw, LTI_rethrow): Remove.
1274 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1275 (LTI_eh_rtime_match): Remove.
1276 (LTI_unwind_resume, LTI_eh_personality): Add.
1277 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1278 * final.c (final): Don't call check_exception_handler_labels,
1279 init_insn_eh_region, or free_insn_eh_region.
1280 (final_scan_insn): Always emit debug labels for
1281 NOTE_INSN_EH_REGION notes.
1282 * flags.h (flag_new_exceptions): Remove.
1283 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1284 (record_active_eh_regions): Remove.
1285 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1286 Use can_throw_internal.
1287 (find_basic_blocks_1): Likewise.
1288 (move_stray_eh_region_notes): Remove.
1289 (find_label_refs): No eh_return_stub_label.
1290 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1291 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1293 (delete_unreachable_blocks): Don't track deleted handlers.
1294 (flow_delete_block): Use maybe_remove_eh_handler.
1295 (delete_eh_regions): Remove.
1296 (merge_blocks): Don't check for eh region match.
1297 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1298 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1299 (init_propagate_block_info): Disable dead frame store optimization
1300 when current_function_calls_eh_return.
1301 (dump_bb): Don't print eh_beg, eh_end.
1302 * function.c (fixup_var_refs): No catch_clauses.
1303 (expand_function_end): Likewise. Call expand_eh_return before
1304 the return register use. Call sjlj_emit_function_exit_after.
1305 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1306 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1307 * ifcvt.c (dead_or_predicable): Remove eh region check.
1308 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1309 Don't check for EH vs parameters.
1310 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1311 (expand_inline_function): Call duplicate_eh_regions.
1312 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1313 (copy_insn_notes): Remap REG_EH_REGION notes.
1314 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1315 * integrate.h (struct inline_remap): Add local_return_label.
1316 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1317 check_exception_handler_labels, nor exception_optimize.
1318 (find_cross_jump): No EH region check.
1319 * optabs.c (init_optabs): Update for changed eh libfuncs.
1320 * rtl.def (RESX): New.
1321 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1322 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1323 checks. Update for except.h name changes.
1324 (expand_cleanups): Likewise.
1325 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1326 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1327 (compile_file): Call init_eh before init_optabs. Don't
1328 output_exception_table here.
1329 (rest_of_compilation): Call convert_from_eh_region_ranges,
1330 convert_to_eh_region_ranges, output_function_exception_table.
1331 Don't emit_eh_context.
1332 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1333 (EXC_PTR_EXPR): New.
1335 * md.texi (eh_epilogue): Remove.
1336 (eh_return): Document.
1337 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1338 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1340 * eh-common.h: Remove file.
1341 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1342 * libgcc2.c (L_eh): Remove.
1344 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1345 * unwind-dw2-fde.h: New file.
1346 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1347 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1348 * libgcc-std.ver: Update for eh symbols.
1350 2001-03-27 Richard Henderson <rth@redhat.com>
1352 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1353 reduce false positives.
1354 (regmove_optimize): Disable if flag_non_call_exceptions.
1356 * stmt.c (expand_return): Remove always true predicate.
1357 (expand_decl_cleanup_no_eh): Remove dead code.
1359 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1360 barrier code. Add a scheduling barrier if a non-call insn
1361 can throw internally.
1363 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1364 Auto-inc addresses trap only if their base register does.
1366 * except.c (can_throw_internal): Rename from can_throw.
1367 * except.h, resource.c: Update references.
1369 * integrate.c (copy_insn_list): Use returnjump_p.
1370 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1372 * function.h (struct function): Move all boolean valued fields
1373 to single bit fields at the end of the struct.
1375 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1377 Rename asynchronous_exceptions to flag_non_call_exceptions.
1379 * gthr-single.h (UNUSED): New. Distinguish between how C
1380 and C++ mark unused function arguments. Use throughout.
1382 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1383 value to target configuration header.
1384 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1385 * config.in, configure: Rebuild.
1386 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1387 configuration and target defines.
1388 (exceptions_via_longjmp): Remove.
1389 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1390 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1392 * except.h (flag_non_call_exceptions): Move ...
1393 * flags.h: ... here.
1395 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1396 exceptions, put the note on the trapping instruction.
1398 * flags.h (flag_new_exceptions): Remove.
1399 * toplev.c: Don't set it.
1400 * final.c: Don't check it.
1401 * except.c: Provide stub definition.
1403 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1404 (calculate_global_regs_live): Kill call-clobbered registers
1405 across exception edges.
1406 * reg-stack.c (convert_regs_1): Kill the entire target stack
1407 across non-call exception edges.
1409 * flow.c (cleanup_cfg): Take no argument.
1410 * output.h, sibcall.c, toplev.c: Update all calls.
1412 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1414 * configure.in: Don't check for bcopy.
1415 * configure, config.in: Regenerate.
1417 * system.h: Don't define or prototype bcopy, instead poison it.
1419 2001-03-27 Richard Henderson <rth@redhat.com>
1421 * function.c (expand_function_start): Set DECL_REGISTER on
1422 a pseudo used for DECL_RESULT.
1424 * rtl.h (LCT_NORETURN): New.
1425 * calls.c (emit_library_call_value_1): Handle it.
1427 2001-03-27 Stan Shebs <shebs@apple.com>
1429 * objc/objc-act.c (objc_init): Use dump_base_name.
1430 (gen_declaration): Clear the buffer arg.
1431 (gen_declaration_1): New function, body of gen_declaration.
1432 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1433 (gen_method_decl): Ditto, plus always clear buffer arg.
1434 (error_with_ivar): Simplify.
1435 (warn_with_method): Ditto.
1436 (build_message_expr): Don't clear buffers.
1437 (dump_interface): Ditto.
1438 (objc_debug): Ditto.
1439 (build_keyword_selector): Clear the buffer by only zeroing
1441 (objc_implementation_context): Declare.
1442 (start_class): Warn about missing @end.
1443 (finish_objc): Ditto.
1445 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1447 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1449 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1451 * Makefile.in (SYSTEM_H): Define.
1452 Depend on $(SYSTEM_H), not system.h.
1454 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1456 2001-03-27 Jim Wilson <wilson@redhat.com>
1458 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1460 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1461 (process_epilogue): New static function.
1462 (process_set): Call process_epilogue instead of emitting .restore
1464 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1466 * flow.c (struct reg_cond_life_info): New fields orig_condition
1468 (init_propagate_block_info): Set new fields.
1469 (mark_regno_cond_dead): Set and use new fields.
1470 (flush_reg_cond_reg_1): Likewise.
1471 (and_reg_cond, case AND): Check for redundant AND conditions.
1472 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1475 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1477 * cppmacro.c (stringify_arg): Null terminate strings.
1479 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1481 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1482 inclusion style. xm-m68hc11.h no longer exists.
1483 * config/m68hc11/xm-m68hc11.h: Delete file.
1484 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1486 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1487 Don't define GCC_VERSION, N_, or PARAMS; don't include
1488 gansidecl.h or stdio.h. Define inhibit_libc here.
1489 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1490 Delete code conditioned on #if GCC_VERSION == 2095.
1492 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1493 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1494 Delete code conditioned on #if GCC_VERSION == 2095.
1496 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1498 * system.h: Include symcat.h.
1499 (STRINGIFY): Don't define.
1501 * configure.in: Adjust comment.
1503 * builtins.c: Use STRINGX, not STRINGIFY.
1504 * gencheck.c: Likewise.
1505 * gengenrtl.c: Likewise.
1506 * protoize.c: Likewise.
1508 * cpplex.c: Don't include symcat.h.
1509 * cpplib.c: Likewise.
1511 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1513 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1515 * c-typeck.c (digest_init): Fold init expression.
1517 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1519 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1521 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1523 * except.c (eh_regs): Save results of build_pointer_type to a temp
1524 as FUNCTION_VALUE macro may evaluate its args multiple times.
1526 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1528 * c-common.h (DECL_NUM_STMTS): New macro.
1529 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1531 (pushdecl): Likewise.
1532 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1533 * integrate.c (expand_inline_function): Don't check
1535 * print-tree.c (print_node): Don't print it.
1536 * toplev.c (rest_of_compilation): Don't try to inline when
1537 flag_no_inline is on.
1538 * tree.h (DECL_FRAME_SIZE): Remove.
1539 (tree_decl): Adjust accordingly.
1541 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1543 * combine.c (try_combine): Use memcpy, not bcopy.
1545 * genattrtab.c (expand_units): Likewise.
1547 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1549 * i386.md (push mem DI peep2): New.
1550 (mov 0, mov -1 peep2): Handle 64bit.
1551 (lea to arithmetics peep2): Handle 64bit leas.
1552 (rsp arithmetics to push/pop peep2s): New.
1554 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1556 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1558 * i386.c (struct machine_function): Add save_varrargs_registers.
1559 (ix86_save_varrargs_registers): New macro.
1560 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1561 (ix86_expand_prologue): Likewise.
1562 (ix86_emit_epilogue_esp_adjustement): Likewise.
1563 (ix86_expand_epilogue): Likewise.
1564 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1565 (pro_epilogue_adjust_stack_1): New insn.
1566 (pro_epilogue_adjust_stack_rex64): Likewise.
1567 * i386.h (MASK_NO_RED_ZONE): New constant.
1568 (TARGET_RED_ZONE): New macro.
1569 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1570 (RED_ZONE_SIZE): New constant.
1571 (RED_ZONE_RESERVE): New constant.
1573 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1575 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1577 2001-03-25 Kazu Hirata <kazu@hxi.com>
1579 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1582 (umodhi3): Likewise.
1585 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1587 * mkconfig.sh (DEFINES): Handle entries with '='.
1589 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1590 Set xm_defines to MACRO=value instead.
1592 * i370/xm-mvs.h: Delete.
1594 * ns32k/xm-pc532-min.h: Likewise.
1596 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1598 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1600 use ix86_expand_binary_operator
1601 (?sh??i_?): Disable for 64bit.
1602 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1603 * i386.c (shiftdi_operand): New predicate.
1605 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1606 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1607 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1608 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1609 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1610 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1611 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1612 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1613 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1614 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1615 (rotldi3, rotrdi3): New expanders.
1617 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1619 * i386.md (movstrsi): Move offline.
1621 (strmovdi_rex64): New.
1622 (strmov?i): Accept 64bit.
1623 (strmov?i_rex64): New.
1624 (strmov?i_rex_1): New.
1625 (strmov?i_1): Disable for 64bit.
1626 (rep_mov?i_rex64): New.
1627 (rep_mov?i): Disable for 64bit.
1628 (clrstrsi): Move offline.
1629 (strset?i_rex64): New.
1630 (strset?i: Accept 64bit.
1631 (rep_stos?i): Disable for 64bit.
1632 (rep_stos?i_rex64): New.
1633 (strset?i_rex_1): New.
1634 (strset?i_1): Disable for 64bit.
1635 (cmpstrsi): Accept 64bit.
1636 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1637 (cmpstrqi_nz_rex_1): New.
1638 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1639 (strlensi): Move offline.
1641 (strlenqi_1): Disable for 64bit; fix constraints.
1642 (strlenqi_rex_1): New.
1643 * i386.c (ix86_adjust_counter): New static function.
1644 (ix86_zero_extend_to_Pmode): Likewise.
1645 (ix86_expand_aligntest): Likweise.
1646 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1647 (ix86_expand_movstr): New global function.
1648 (ix86_expand_clrstr): New global function.
1649 (ix86_expand_strlen): New global function.
1650 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1651 ix86_expand_strlen): Declare.
1652 (ix86_expand_strlensi_unroll_1): Delete.
1654 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1656 * i386.md (cmpdi): Fix operand predicates.
1657 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1658 cmpdi_1_insn_rex64): New patterns.
1659 (adddi3): Turn to expander.
1660 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1661 (addsi3_carry_zext): New pattern.
1662 (adddi_?_rex64): New patterns and splitters.
1663 (addsi_?_zext): New patterns.
1664 (subsi3_carry_zext): New pattern.
1665 (subdi_?_rex64): New patterns and splitters.
1666 (iorsi_?_zext): New patterns.
1667 (iordi_?_rex64): New patterns and splitters.
1668 (iorsi_?_zext): New patterns.
1669 (iorsi_?_zext_imm): New patterns.
1670 (xorsi_?_zext): New patterns.
1671 (xordi_?_rex64): New patterns and splitters.
1672 (xorsi_?_zext): New patterns.
1673 (negdi*): New patterns.
1674 (one_cmpldi*): Likewise.
1675 (one_cmplsi*_zext, negsi*_zext): Likewise.
1676 (testqi_ext_3_rex64): New pattern.
1678 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1680 * i386-protos.h (ix86_split_long_move): Return void.
1681 * i386.c (ix86_split_to_parts): Handle 64bit target.
1682 (ix86_split_long_move): Likewise.
1683 * i386.md (all calls to ix86_split_long_move): Update.
1685 2001-03-23 Richard Henderson <rth@redhat.com>
1687 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1688 to avoid shadowing arguments.
1690 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1692 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1693 to variable names where DECL_NAME is different from
1694 DECL_ASSEMBLER_NAME.
1696 2001-03-23 Jim Wilson <wilson@redhat.com>
1698 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1699 (assemble_alias): Call make_decl_rtl.
1701 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1703 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1705 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1707 * extend.texi: Document the "java_interface" attribute.
1709 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1711 * mkconfig.sh: Use a subshell with redirected stdout,
1712 instead of closing stdout and confusing commands that run
1713 afterward. Throw away output of cmp.
1715 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1717 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1719 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1721 * i386.md (zero_extendsidi2_32): Break out from ...
1722 (zero_extendsidi2): ... here ; turn to expander.
1723 (zero_extendsidi2_rex64): New.
1724 (extendsidi2_32): Break out from ...
1725 (extendsidi2): ... here ; turn to expander.
1726 (extendsidi2_rex64): New.
1727 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1728 (trunc?f?f splitters): Add 64bit versions.
1730 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1732 * i386.md (pushsi, pushsi2_prologue): Disable.
1733 (pushsi2_rex64): New.
1734 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1735 (movqi_ext_1): Disable for 64bit.
1736 (movqi_ext_1_rex64): New.
1737 (pushdi2_rex64): New pattern, peep2s and splitter.
1738 (pushdi2_prologue_rex64): New pattern.
1739 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1741 (movdi splitters): Disable for 64bit.
1742 (movdi_1_rex64): New pattern, peep2s and splitters.
1743 (swapdi): New pattern.
1744 (pushsf): Disable for 64bit.
1745 (pushsf_rex64): New pattern and splitter.
1746 (pushdf_nointeger): Disable for 64bit.
1747 (pushdf_integer): Handle the 64bit case.
1748 (pushtf): Likewise; update splitters.
1750 2001-03-22 Richard Henderson <rth@redhat.com>
1752 * mkconfig.sh: Include insn-flags.h.
1753 * Makefile.in (CONFIG_H): Include insn-flags.h.
1754 (lots of objects): Remove insn-codes.h and insn-flags.h.
1756 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1757 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1758 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1759 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1760 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1761 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1762 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1763 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1764 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1765 v850/v850.c, vax/vax.c:
1766 Don't include insn-flags.h.
1768 * diagnostic.c, expr.h, reload.c, toplev.c:
1769 Don't include insn-codes.h.
1771 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1772 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1773 c4x/c4x.c, i960/i960.c, mips/mips.c:
1774 Don't include insn-codes.h or insn-flags.h.
1776 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1777 or insn-flags.h in the generated code.
1778 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1779 (main): Forward declare struct rtx_def.
1781 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1783 * invoke.texi (-ffast-math): Remove duplicate line about
1786 * gcc.texi: Remove more obsolete documentation of bugs and
1787 installation problems.
1789 2001-03-21 Kazu Hirata <kazu@hxi.com>
1791 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1794 2001-03-20 Jason Merrill <jason@redhat.com>
1796 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1798 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1799 * varasm.c (CHKR_PREFIX): Likewise.
1801 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1803 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1804 is part of a multi-SET insn.
1806 * cse.c (find_comparison_args): Remove previous change.
1807 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1810 * config/i386/i386.md (conditional_trap): Remove warning.
1812 * recog.c (push_operand): Fix error in last change that caused
1813 undefined symbol on many targets.
1815 * sdbout.c: #include ggc.h.
1816 (sdbout_init): Move to end of file.
1817 Call ggc_add_tree_root for anonymous_types.
1818 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1819 (sdbout_one_type): Use DECL_NAME for field name.
1820 * Makefile.in (sdbout.o): Show includes ggc.h.
1822 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1824 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1825 (override_options): Use properlimits for preferred_stack_boundary.
1826 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1828 (ext_register_operand): Accept DImode.
1829 (load_pic_register): Abort on 64bit.
1830 (gen_push): Use Pmode instead of SImode.
1831 (ix86_save_reg): Pic reg is never used on 64bit.
1832 (ix86_expand_prologue): Likewise.
1833 (ix86_emit_save_regs): Use Pmode instead of SImode.
1834 (legitimate_address_p): Check displacement for 64bit.
1835 (print_operand): Avoid outputting of (%rip) on 64bit.
1836 (print_operand_address): Output (%rip) where possible.
1837 (split_di): Abort on 64bit registers.
1838 (ix86_expand_branch): DImode comparison is simple for x86_64.
1839 (memory_address_length): Recognize memory addresses formed using
1841 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1843 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1845 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1847 * recog.c (push_operand): Recognize new format of push instructions.
1849 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1851 * i386.md (pushqi1): New.
1852 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1853 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1854 x86_64_immediate_operand, x86_64_immediate_operand,
1855 x86_64_zext_immediate_operand): Declare.
1856 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1857 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1858 x86_64_immediate_operand, x86_64_immediate_operand,
1859 x86_64_zext_immediate_operand): define.
1860 * i386.h (PREDICATE_CODES): Add new predicates.
1862 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1864 * i386.md (pophi1, popqi1, pushqi1): Remove.
1866 * expr.c (emit_single_push_insn): New function.
1867 (move_by_pieces): Accept NULL as destination for push instructions.
1868 (gen_push_operand): Kill.
1869 (emit_push_insn): Pass NULL when pushing; avoid updating of
1870 stack_pointer_delta.
1871 * expr.h (gen_push_operand): Kill.
1873 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1875 * rtl.texi (COMPARE): Clarify documentation and reference section
1878 2001-03-20 Stan Shebs <shebs@apple.com>
1880 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1881 (get_object_reference): Ditto.
1882 (error_with_ivar): Use error_with_file_and_line.
1883 (warn_with_method): Use warning_with_file_and_line.
1885 2001-03-20 Tom Tromey <tromey@redhat.com>
1887 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1889 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1891 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1892 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1894 2001-03-20 DJ Delorie <dj@redhat.com>
1896 * Makefile.in (install-libgcc): Pass complete list of variables.
1897 (install-multilib): Ditto.
1899 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1901 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1902 drectve_section, switch_to_section.
1904 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1905 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1906 i386_pe_mark_dllimport.
1908 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1910 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1911 functions i386_pe_*.
1913 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1914 i386_pe_* functions with char * arguments.
1916 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1918 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1920 (movsi_ie): Introduce fpul store.
1922 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1924 * Makefile.in (OBJS): Remove hashtab.o.
1926 2001-03-19 Stan Shebs <shebs@apple.com>
1928 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1929 * c-lang.c (maybe_objc_method_name): Ditto.
1930 * c-tree.h (maybe_objc_method_name): Remove decl.
1932 2001-03-19 Tom Tromey <tromey@redhat.com>
1934 * gcc.c (init_gcc_specs): Fix comment.
1936 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1938 Compute DECL_ASSEMBLER_NAME lazily.
1939 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1940 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1941 (SET_DECL_ASSEMBLER_NAME): Likewise.
1942 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1943 (set_decl_assembler_name): Declare.
1944 (lang_set_decl_assembler_name): Likewise.
1945 * tree.c (lang_set_decl_assembler_name): New variab.e
1946 (set_decl_assembler_name): New function.
1947 (init_obstacks): Set lang_set_decl_assembler_name.
1948 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1949 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1950 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1951 where it's not necessary.
1952 (builtin_function): Likewise.
1953 (finish_decl): Likewise.
1954 * dbxout.c (dbxout_type_methods): Likewise.
1955 * ggc-common.c (ggc_mark_trees): Likewise.
1956 * profile.c (output_func_start_profiler): Likewise.
1957 * varasm.c (make_decl_rtl): Likewise.
1959 * cse.c (find_comparison_args): Update documentation. Fix
1960 mishandling of COMPARE operations.
1962 * tree.def (ABS_EXPR): Add documentation.
1963 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1965 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1967 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1969 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1971 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1972 Remove ia32 linux PIC kludge and move it...
1973 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1975 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1977 * i386.md (absdf2 expander): Fix 64bit case.
1979 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1981 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1983 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1985 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1987 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1989 * README.X11: Remove obsolete file.
1991 2001-03-18 Anthony Green <green@redhat.com>
1993 * config/pj/pj.h: Remove some trailing commas.
1994 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1996 2001-03-18 Richard Henderson <rth@redhat.com>
1998 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1999 * calls.c: ... here.
2000 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2001 defaults for them here.
2003 2001-03-17 Anthony Green <green@redhat.com>
2005 * config/pj/lib1funcs.S: Fix broken comment.
2006 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2009 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2011 * gcc.texi: Remove obsolete information relating to build and
2012 installation problems with enquire or the Pyramid C compiler.
2014 2001-03-17 Richard Henderson <rth@redhat.com>
2016 * dwarf2out.c (queue_reg_save): New.
2017 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2018 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2020 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2021 (cfa, cfa_store, cfa_temp): Make static.
2022 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2024 2001-03-17 Richard Henderson <rth@redhat.com>
2026 * integrate.h (struct inline_remap): Add local_return_label.
2027 * integrate.c (expand_inline_function): Initialize it and emit
2028 it after copy_insn_notes.
2029 (copy_insn_list): Don't store local_return_label here.
2030 (copy_insn_notes): New function split out from copy_insn_list.
2032 2001-03-17 Richard Henderson <rth@redhat.com>
2034 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2035 is generating .debug_line.
2036 (dwarf2out_init): Add main_input_filename to the file table first.
2037 * configure.in (as_dwarf2_debug_line): Test with file number 1
2038 instead of file number 0.
2040 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2042 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2043 (gen_rtx_combine): Deleted; all references changed as appropriate.
2044 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2046 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2048 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2050 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2053 2001-03-16 Jim Wilson <wilson@redhat.com>
2055 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2056 then set it to LOC_REG (79) instead of aborting.
2058 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2060 * gccbug.in: Remove high priority.
2062 2001-03-16 Richard Henerson <rth@redhat.com>
2064 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2065 output with a space instead of deleting it.
2066 * configure: Regenerate.
2068 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2070 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2071 handles the gory details of converting an object file into
2072 something that's safe to grep.
2073 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2074 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2075 newlines at either end of the string we're looking for.
2076 Make 'checking ...' message less stilted.
2077 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2078 ARM in-memory layout and its hypothetical converse. Don't
2079 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2080 HOST_WORDS_BIG_ENDIAN.
2082 * configure.in: Adjust for renamed macro. Move
2083 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2084 * configure, config.in: Regenerate.
2086 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2088 * fixinc/Makefile.in: Set SHELL.
2090 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2092 * fixinc/fixincl.c (fix_with_system): Quote file names before
2093 passing them to shell.
2095 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2097 * Makefile.in: Use fix-header$(build_exeext) instead
2100 2001-03-16 Richard Henderson <rth@redhat.com>
2102 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2103 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2104 (size_of_line_prolog): Remove.
2105 (output_line_info): Compute prologue size via label difference.
2106 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2108 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2109 assembler error when redefining file numbers.
2110 * config.in, configure: Rebuild.
2112 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2113 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2114 (dw2_asm_output_delta_uleb128): Likewise.
2115 (dw2_asm_output_delta_sleb128): Similarly.
2116 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2118 2001-03-16 Michael Meissner <meissner@redhat.com>
2120 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2122 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2124 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2126 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2127 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2128 being unsigned in ISO C and signed in traditional.
2129 (expand_prologue): Ditto.
2130 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2132 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2134 (divsi3,divdi3): Ditto.
2135 (modsi3,moddi3): Ditto.
2136 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2137 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2138 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2141 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2143 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2144 SSE based conditional moves on LTGT/UNEQ conditions;
2145 Canonicalize EQ to NE.
2146 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2147 (sse_mov?fcc_ne): New.
2149 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2151 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2153 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2154 register may be dead.
2156 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2158 * Makefile.in (hash.o): Depend on CONFIG_H.
2160 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2162 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2164 2001-03-15 Richard Henderson <rth@redhat.com>
2166 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2167 (ASM_OUTPUT_DWARF_PCREL): New.
2168 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2170 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2172 * cppfiles.c (stack_include_file): Use MAX of sysp.
2174 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2176 * config.gcc (ia64*-*-hpux*): New case.
2177 * config/ia64/hpux.h: New file for HP-UX support.
2178 * config/ia64/t-hpux: New file for HP-UX support.
2180 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2182 * fixinc/inclhack.def (irix_stdio_va_list): New.
2183 * fixinc/fixincl.x: Rebuilt.
2185 2001-03-15 Richard Henderson <rth@redhat.com>
2187 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2188 if provided by the target.
2189 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2190 (dw2_asm_output_addr): New.
2191 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2192 * dwarf2out.c (output_cfi): Use it for program addresses.
2193 (output_call_frame_info, output_die): Likewise.
2194 (output_aranges, output_line_info): Likewise.
2196 2001-03-15 Bruce Korb <bkorb@gnu.org>
2198 * gcc.c(main): make more rigorous
2199 * collect2.c(main): guard against ignoring SIGCHLD
2200 * protoize.c(main): ditto
2201 * gcc/fixinc/fixincl.c(initialize): ditto
2203 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2205 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2206 (sdbout_parms): Likewise.
2208 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2210 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2211 "widen" a destination that is already wider than a word. Also do
2212 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2214 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2216 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2218 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2220 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2222 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2224 * i960.h (i960_maxbitalignment,
2225 i960_last_maxbitalignment): Declare.
2226 * i960.c (i960_maxbitalignment,
2227 i960_last_maxbitalignment): Make global.
2228 (process_pragma): Delete.
2229 (i960_pr_align, i960_pr_noalign): Move from here ...
2230 * i960-c.c: ... to this new file.
2231 * t-960bare (i960-c.o): New rule.
2232 * t-vxworks960 (i960-c.o): Likewise.
2233 * config.gcc (i960-*-*): Define c_target_objs and
2236 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2238 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2239 without adding in rtx code and mode.
2241 * alias.c (init_alias_analysis): Don't use any rtx whose value
2242 varies as a known value.
2243 Delete a superfluous test.
2245 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2247 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2248 scheduling a stop bit.
2249 (ia64_emit_nops): Correctly handle ASMs.
2251 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2253 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2255 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2257 * cpp.texi: Update documentation for -include and -imacros.
2258 * cppfiles.c (struct include_file): Remove "defined" memeber.
2259 (find_or_create_entry): Make a copy of the file name, and
2261 (open_file): Update to ensure we use the simplified filename.
2262 (stack_include_file): Don't set search_from.
2263 (cpp_included): Don't simplify the path name here.
2264 (find_include_file): New prototype. Call search_from to
2265 get the start of the "" include chain. Don't simplify the
2267 (_cpp_execute_include): New prototype. Move diagnostics to
2268 do_include_common. Update.
2269 (_cpp_pop_file_buffer): Don't set defined.
2270 (search_from): New prototype. Use the preprocessor's cwd
2271 for files included from the command line.
2272 (read_name_map): Don't simplify the pathname here.
2273 * cpphash.h (enum include_type): New.
2274 (struct buffer): Delete search from. New search_cached.
2275 (_cpp_execute_include): Update prototype.
2276 * cppinit.c (do_includes): Use _cpp_execute_include.
2277 * cpplib.c (do_include_common): New function.
2278 (do_include, do_include_next, do_import): Use it.
2280 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2282 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2283 contents of the RTL, to determine the name of the object.
2285 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2287 * tree.h (DECL_RTL): Allocate RTL lazily.
2288 (SET_DECL_RTL): New macro.
2289 (DECL_RTL_SET_P): Likewise.
2290 (COPY_DECL_RTL): Likewise.
2291 (DECL_RTL_IF_SET): Likewise.
2292 * varasm.c (make_decl_rtl): Add assertions about the kind of
2293 declaration we are processing.
2294 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2295 (start_decl): Likewise.
2296 (finish_decl): Likewise.
2297 * c-semantics.c (emit_local_var): Likewise.
2298 * calls.c (expand_call): Likewise.
2299 * dbxout.c (dbxout_symbol): Likewise.
2300 * emit-rtl.c (unshare_all_rtl): Likewise.
2301 (unshare_all_decls): Likewise.
2302 (reset_used_decls): Likewise.
2303 * expr.c (store_constructor): Likewise.
2304 (safe_from_p): Likewise.
2305 (expand_expr): Likewise.
2306 * function.c (put_var_into_stack): Likewise.
2307 (instantiate_decls_1): Likewise.
2308 (assign_parms): Likewise.
2309 (expand_function_start): Likewise.
2310 (expand_function_end): Likewise.
2311 * ggc-common.c (gcc_mark_trees): Likewise.
2312 * integrate.c (function_cannot_inline_p): Likewise.
2313 (copy_decl_for_inlining): Likewise.
2314 (expand_inline_function): Likewise.
2315 (integrate_parm_decls): Likewise.
2316 (integrate_decl_tree): Likewise.
2317 * print-tree.c (print_node): Likewise.
2318 * reg-stack.c (stack_result): Likewise.
2319 * stmt.c (label_rtx): Likewise.
2320 (expand_return): Likewise.
2321 (expand_decl): Likewise.
2322 (expand_decl_cleanup): Likewise.
2323 (expand_anon_union_decl): Likewise.
2324 * toplev.c (check_global_declarations): Likewise.
2325 (rest_of_decl_compilation): Likewise.
2326 * tree.c (simple_cst_equal): Likewise.
2327 * objc/objc-act.c (generate_static_references): Likewise.
2329 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2331 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2332 gcc_AC_C_FLOAT_FORMAT): New macros.
2333 * configure.in: Add AC_PROG_CPP after CC tests;
2334 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2335 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2336 * configure, config.in: Regenerate.
2338 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2339 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2340 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2341 config/i370/xm-linux.h, config/i370/xm-oe.h,
2342 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2343 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2344 config/pa/xm-linux.h, config/pa/xm-pa.h,
2345 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2346 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2347 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2348 config/we32k/xm-we32k.h: Delete.
2350 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2351 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2352 config/vax/xm-vms.h: Don't define any of:
2353 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2355 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2357 * config.gcc: Remove references to deleted files.
2358 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2359 FATAL_EXIT_CODE, which is the same between oe and mvs).
2361 2001-03-14 DJ Delorie <dj@redhat.com>
2362 Vladimir Makarov <vmakarov@redhat.com>
2364 * config/i960/i960.c (i960_function_prologue): Compute size of
2365 frame according to number of registers actually saved there.
2367 2001-03-14 Richard Henderson <rth@redhat.com>
2369 * expr.c (emit_move_insn_1): Fix else if around #endif.
2371 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2374 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2377 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2379 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2380 (override_options): Parse cmodel string.
2381 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2382 * i386.h (TARGET_OPTIONS): Add "cmodel".
2383 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2385 (ix86_cmodel_string, ix86_cmodel): Declare.
2387 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2390 * i386.h (GENERAL_REG_P): Add missing REG_P.
2392 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2394 * configure.in: Use $gcc_cv_as instead of $as.
2395 * configure: Regenerated.
2397 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2399 * cppfiles.c (stack_include_file): Only increase the include
2400 count if we actually process the file properly, as opposed
2401 to treating it as length zero. Only call read_include_file
2402 if not DO_NOT_REREAD. Handle the -H include file output
2404 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2405 (cpp_included, find_include_file): Simplify pathnames after
2406 remapping them. If remapping, don't use the remapped file
2407 name's buffer as our scratch buffer.
2408 (cpp_pop_file_buffer): Replace the multiple include macro
2409 only if it isn't yet set.
2410 (read_name_map): Simplify remapped names when reading in.
2411 (remap_filename): Move code to code path that uses it.
2412 (_cpp_simplify_pathname): Return the input pointer.
2413 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2415 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2417 * expr.c (expand_expr): Revove bogus conditional.
2419 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2421 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2423 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2425 * reg-stack.c (stack_result): Unconditionally use
2426 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2428 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2430 * expr.c (emit_move_insn_1): Split push of complex value when
2431 no suitable push instruction exist.
2433 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2434 instead of QI_REG_P.
2436 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2438 * alias.c (handled_component_p, can_address_p): New functions.
2439 (get_alias_set): Use them.
2441 2001-03-13 Jim Wilson <wilson@redhat.com>
2443 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2444 from 80 in try_locals code.
2445 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2447 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2449 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2450 gcc_AC_C_LONG_LONG): New.
2451 * configure.in: Use them. Probe the size of short, int, long,
2452 and long long/__int64 if we have them. Move all the AC_C_*
2453 checks together, except gcc_AC_C_CHAR_BIT which has to go
2454 after AC_CHECK_HEADERS(limits.h).
2455 Take hwint.h out of host_xm_file and build_xm_file.
2457 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2458 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2459 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2460 Move the HOST_WIDEST_INT setup logic here from system.h.
2461 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2463 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2464 is now handled by hwint.h.
2466 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2467 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2468 config/ia64/xm-ia64.h: Don't define any of:
2469 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2470 HOST_BITS_PER_LONGLONG.
2472 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2473 config/h8300/xm-h8300.h, config/mips/iris6.h,
2474 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2475 config/sparc/xm-sp64.h: Delete.
2476 * config.gcc: Remove references to deleted files.
2478 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2479 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2480 * config/i370/xm-linux.h: Clarify floating-point situation in
2483 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2485 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2486 (find_include_file): Decide here which part of the include
2487 chain to start the search. Complain about an empty include
2488 chain in all cases apart from an abolsute file name.
2489 (_cpp_execute_include): Don't choose the search chain here.
2490 Don't call handle_missing_include in the case of an empty
2492 (_cpp_compare_file_date): Don't choose the search chain here.
2493 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2494 here from _cpp_execute_include. Behave like #include if
2495 we're in the main file.
2497 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2499 * system.h (malloc, realloc, calloc, strdup): Only poison these
2500 tokens when IN_GCC is defined.
2502 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2504 * i386.md (abs?f expander): Support SSE case.
2505 (abd?f_if): Add new "USE"; add splitters.
2507 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2509 * cpp.texi (poison): Explain the macro expansion exception.
2511 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2513 * expr.c (store_expr): Add dont_store_target. If temp is already in
2514 target before copying to reg, don't store it into target again.
2516 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2518 * cppinternals.texi: Update for file handling.
2520 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2522 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2523 2001-02-24 which broke building the Java library.
2524 * function.c (identify_blocks): Likewise.
2525 (all_blocks): Likewise.
2526 * integrate.c (integrate_decl_tree): Likewise.
2527 * print-tree.c (print_node): Likewise.
2528 * tree.h (BLOCK_NUMBER): Likewise.
2529 (struct tree_block): Likewise.
2531 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2533 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2534 __WCHAR_TYPE__ definition.
2535 (WCHAR_TYPE_SIZE): #undef before #define.
2537 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2539 * cppfiles.c: Update comments.
2540 (destroy_include_file_node): Rename destroy_node.
2541 (find_or_create_entry): New function.
2542 (open_file, _cpp_fake_include): Use it.
2543 (handle_missing_header): New function, broken out of
2544 _cpp_execute include. Don't segfault if there is no
2545 system or quoted path.
2546 (_cpp_execute_include): Use handle_missing_header.
2548 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2550 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2551 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2553 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2555 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2556 unless anti_dependence says they are.
2557 * alias.c (objects_must_conflict): If neither has a type specified,
2560 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2561 David Billinghurst <David.Billinghurst@riotinto.com>
2563 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2565 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2567 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2568 (*_one_bit): Remove type on the match_operand in attributes.
2570 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2572 * i386.c: Commit forgotten hunk in previous patch.
2573 (regclass_map): Add extended registers.
2574 (dbx_register_map): Add missing frame register.
2576 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2578 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2580 * i386.md (x86_sahf_1): Disable for 64bit.
2581 (popsi*, pophi*): Likewise.
2582 (pushqi, pushhi): Likewise.
2583 (movdi, pushdi): Likewise.
2584 (zero extend DImode splitter): Likewise.
2585 (adddi, minusdi splitter): Likewise.
2586 (umulsidi): Likewise.
2588 (mulsidi): Disable for 64bit
2589 (lshift:DI/ashift:DI): Disable for 64bit.
2590 (loop patterns): Likewise.
2591 (call_pop, call_value_pop expanders and patterns): Likewise.
2592 (prologue_get_pc): Likewise.
2594 (fcmovDI pattern and splitter): Likewise.
2595 (movdfcc_1_rex64): New.
2597 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2599 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2600 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2601 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2602 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2603 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2604 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2605 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2606 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2607 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2608 (REGPARM_MAX): Set to 6 for x86_64.
2609 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2610 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2613 * (patterns that does use upper halves): Update constraints
2614 'q' to 'Q' and 'r' to 'R'.
2615 (cmpqi_ext_1): Disable for 64bit.
2616 (cmpqi_ext_3_insn): Likewise.
2617 (movqi_extzv_1): Likewsie.
2618 (addqi_ext_1): Liekwsie
2619 (testqi_ext_1): Liekwsie
2620 (andqi_ext_1): Liekwsie
2621 (xorqi_ext_1): Liekwsie
2622 (cmpqi_ext_1_rex64): New.
2623 (cmpqi_ext_3_insn_rex64): Likewise.
2624 (movqi_extzv_1_rex64): Likewsie.
2625 (addqi_ext_1_rex64): Liekwsie
2626 (testqi_ext_1_rex64): Liekwsie
2627 (andqi_ext_1_rex64): Liekwsie
2628 (xorqi_ext_1_rex64): Liekwsie
2630 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2632 * configure.in: Move check for unsigned enumerated bitfields
2633 to macro in aclocal.m4. Disable it for now.
2634 * configure, config.in: Regenerate.
2635 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2636 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2637 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2638 kind above its first use.
2640 * config/xm-interix.h, config/alpha/xm-alpha.h,
2641 config/i370/xm-linux.h, config/i386/xm-beos.h,
2642 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2643 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2644 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2645 Don't define ONLY_INT_FIELDS under any circumstances.
2647 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2649 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2650 config/sparc/xm-sysv4.h: Delete - now identical with some
2652 * config.gcc (hppa targets): Replace xm-pahpux.h and
2653 xm-papro.h with implicit xm-pa.h.
2654 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2657 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2659 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2660 before reload_cse_noop_set_p.
2662 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2664 * config.gcc: Where xm-host.h used to include another
2665 xm-host.h, list the nested header directly in xm_file. Remove
2666 references to deleted files. Can now use sparc/xm-sp64.h for
2669 * config/xm-linux.h, config/arm/xm-linux.h,
2670 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2671 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2672 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2673 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2674 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2677 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2678 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2679 bother to wrap #undef in #ifdef.
2680 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2681 Don't include xm-linux.h.
2682 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2684 * configure.in: Wrap regexps using [] in changequote block.
2685 Use expr : not echo | grep. Simplify regexps.
2686 * configure: Regenerate.
2688 56 xm-files remain, 22 xm-arch.
2690 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2692 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2693 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2694 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2695 (copy_object): Fix format specifier vs argument mismatch.
2697 * mips-tdump.c: Make local functions static.
2698 (rindex): Don't #undef.
2699 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2700 (fatal, fancy_abort): Delete.
2701 (read_seek): Avoid signed/unsigned compare.
2703 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2705 * combine.c (try_combine): Fix error in change to try original
2707 (gen_rtx_combine): Do same as gen_rtx for now.
2709 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2711 * configure.in: AC_SUBST xm_defines.
2712 * configure: Regenerate.
2713 * Makefile.in: Set DEFINES=$(xm_defines) when building
2716 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2718 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2719 (cpp_included, find_include_file): Update.
2720 (_cpp_compare_file_date): Make else unconditional.
2722 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2724 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2726 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2728 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2729 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2731 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2733 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2734 if it's a record type.
2736 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2738 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2739 mingw includes slightly.
2741 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2743 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2744 #undef token before poisoning it.
2746 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2748 * alpha.c (check_float_value): Use memcpy, not bcopy.
2750 * m32r.c (m32r_sched_reorder): Likewise.
2752 * vax.c (check_float_value): Likewise.
2754 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2756 * toplev.c (file_name_nondirectory): Remove.
2757 * toplev.h: Similarly.
2758 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2759 of file_name_nondirectory.
2761 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2763 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2764 * mips-tfile.c: Don't #undef rindex; not used.
2766 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2768 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2769 (dbx64_register_map): Declare.
2770 (RETURN_ADDR_RTX): Fix for 64bit.
2771 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2772 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2773 * i386.c (dbx64_register_map): New global array.
2774 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2775 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2778 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2780 * cppfiles.c (search_from): Use lbasename.
2781 * mkdeps.c (deps_add_default_target): Use lbasename.
2783 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2785 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2786 xcalloc in lieu of malloc, realloc & calloc.
2788 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2790 * gengenrtl.c (xmalloc): Likewise.
2792 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2793 really_call_* memory allocation routines.
2795 * stmt.c (check_for_full_enumeration_handling): Use
2796 really_call_calloc, not calloc.
2798 * system.h (really_call_malloc, really_call_calloc,
2799 really_call_realloc): Define.
2800 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2802 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2804 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2806 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2808 * configure: Rebuilt.
2809 * configure.in: Only use `lang_requires' for languages athat are
2812 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2814 * invoke.texi: Fix typo.
2815 * gcc.1: Regenerate.
2817 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2819 * configure.in: Prune nonexistent files from build_xm_file,
2820 xm_file, and host_xm_file lists. Warn unless they're
2822 Don't generate *config.h here.
2823 AC_SUBST all variables needed to generate *config.h.
2824 * configure: Regenerate.
2825 * mkconfig.sh: New helper script, from code removed from
2827 * Makefile.in: Zap all MALLOC variables - no longer used
2828 anywhere, and malloc.c doesn't exist.
2829 Substitute in variables needed to generate *config.h.
2830 Stop lying about the dependencies contained in CONFIG_H and
2832 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2833 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2834 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2835 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2836 $(TM_P_H), etc. as appropriate.
2838 * config.gcc: Zap references to deleted files.
2839 * ggc-none.c: Don't include rtl.h or tm_p.h.
2841 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2842 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2843 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2844 config/i386/xm-linux.h, config/i386/xm-linux.h,
2845 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2846 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2847 Don't include i386/xm-i386.h.
2849 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2850 config/i386/xm-i386.h, config/i860/xm-i860.h,
2851 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2852 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2853 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2854 Delete (empty except comments, #includes of other deleted
2855 files, and macros used nowhere).
2857 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2859 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2860 independent on TARGET_FLAGS.
2862 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2864 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2866 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2868 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2870 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2871 LAST_REX_SSE_REG): define.
2872 (enum reg_class): Add 'LEGACY_REGS'
2873 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2874 (SSE_REGNO_P): Recognize extended registers.
2875 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2876 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2877 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2878 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2879 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2880 REG_OK_FOR_STRREG_P): Remove.
2881 (HI_REGISTER_NAMES): Add extended registers.
2882 (ADDITIONAL_REGISTER_NAMES): Likewise.
2883 (QI_REGISTER_NAMES): Add 8bit extended registers.
2884 (DEBUG_REG): Support extended registers.
2885 * i386.c (regclass_map): Add extended registers.
2886 (dbx_register-map): Likewise.
2887 (svr4_dbx_register_map): Likewise.
2888 (print_reg): Support extended registers.
2889 (print_operand): Support 64bit operands.
2891 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2893 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2894 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2895 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2896 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2897 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2898 STACK_BOUNDARY): Set properly for 64bits.
2899 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2900 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2901 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2902 (MOVE_MAX): Set to 16.
2903 (MOVE_MAX_PIECES): 8 for 64bit.
2904 (Pmode): Set to SImode.
2906 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2908 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2910 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2912 * i386.h (mask_64bit): New constant.
2913 (target_64bit): New macro.
2914 (target_options): Add '64'/'32'
2915 (target_default): Define.
2916 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2917 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2918 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2920 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2922 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2924 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2926 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2927 LO_SUM unless for_alias is set.
2929 2001-03-08 Stan Shebs <shebs@apple.com>
2931 * objc/objc-act.c: Fix old typos in comments, add comments for
2933 (hash_init): Fix file name in error message.
2934 (hash_enter): Ditto.
2935 (hash_add_attr): Ditto.
2936 (continue_class): Ditto.
2938 2001-03-08 Bruce Korb <bkorb@gnu.org>
2940 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2941 wait4() can receive the signal.
2943 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2945 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2947 * fixinc/fixincl.x: Regenerate.
2949 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2951 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2953 * fixinc/fixincl.x: Regenerate.
2955 2001-03-08 Richard Henderson <rth@redhat.com>
2957 * configure.in (HAVE_AS_LEB128): New assembler check.
2958 * configure, config.in: Rebuilt.
2960 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2962 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2965 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2967 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2968 references to the MAXPATHLEN macro.
2970 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2971 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2974 * config/i386/xm-gnu.h, config/xm-gnu.h,
2975 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2976 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2977 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2978 and/or unused files.
2980 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2981 doing so in various xm-*.h files.
2983 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2985 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2987 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2989 * configure.in (enable_shared): Support per-package shared-library
2991 * configure: Rebuilt.
2993 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2995 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2996 for crnot. Set operands[5] in splitter.
2998 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3000 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3001 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3002 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3003 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3004 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3005 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3006 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3009 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3010 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3011 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3012 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3013 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3014 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3015 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3016 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3017 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3018 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3019 Delete unused and/or empty files.
3021 * config.gcc: Define USG in xm_defines as appropriate. Define
3022 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3023 macro. Remove deleted xm-* files from $xm_files variable.
3025 2001-03-07 Tom Tromey <tromey@redhat.com>
3027 * configure: Rebuilt.
3028 * configure.in: Allow config-lang.in to set `lang_requires' to list
3029 of other required languages.
3031 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3033 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3035 (output_prologue): Use xmalloc not oballoc.
3036 (output_epilog): Free a29k_first_epilogue_insn when finished.
3037 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3039 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3041 * builtins.c (expand_builtin_mathfn): Check
3042 flag_unsafe_math_optimizations, not flag_fast_math.
3043 (expand_builtin): Likewise
3044 * combine.c (combine_simplify_rtx): Likewise.
3045 (simplify_if_then_else): Likewise.
3046 * cse.c (fold_rtx): Likewise.
3047 * flags.h: Remove flag_fast_math. Add
3048 flag_unsafe_math_optimizations and flag_trapping_math.
3049 * fold-const.c (negate_expr): Check
3050 flag_unsafe_math_optimizations, not flag_fast_math.
3051 (invert_truthvalue): Likewise.
3052 (fold): Likewise. Before associating operands, check that
3053 code == MULT_EXPR, not code != MULT_EXPR.
3054 * ifcvt.c (noce_try_minmax): Check
3055 flag_unsafe_math_optimizations, not flag_fast_math.
3056 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3057 * invoke.texi: Document -funsafe-math-optimizations and
3058 -fno-trapping-math. Change documentation for -ffast-math.
3059 * jump.c (reversed_comparison_code_parts): Likewise.
3060 (rtx_equal_for_thread_p): Likewise.
3061 * optabs.c (emit_conditional_move): Likewise.
3062 * simplify-rtx.c (simplify_binary_operation): Likewise.
3063 (simplify_relational_operation): Likewise.
3064 (simplify_ternary_operation): Likewise.
3065 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3066 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3067 Add trapping-math and unsafe-math-optimizations entries to f_options.
3068 (set_fast_math_flags): New, sets flags for -ffast-math.
3069 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3070 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3071 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3073 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3074 (alpha_emit_conditional_move): Initialize local_fast_math to
3075 flag_unsafe_math_optimizations, not flat_fast_math.
3076 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3077 instead of setting flag_fast_math to 1.
3078 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3080 * config/i386/i386.c (override_options): Likewise
3081 * config/i386/i386.md: Likewise.
3082 * config/m68k/m68k.md: Likewise.
3083 * config/mips/mips.md: Likewise.
3084 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3085 (rs6000_generate_compare): Likewise.
3087 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3089 * Makefile.in: Set RANLIB to @RANLIB@.
3092 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3094 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3095 * fixinc/fixincl.x: Regenerated.
3097 2001-03-07 Richard Henderson <rth@redhat.com>
3099 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3101 2001-03-07 Richard Henderson <rth@redhat.com>
3103 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3104 of block notes and exception handling notes.
3106 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3107 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3108 (compile_file): ... here.
3110 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3112 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3114 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3115 config.h now. Include libiberty.h to handle alloca.
3117 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3119 * c-parse.in (yylexname): New function, split out of _yylex.
3120 (objc_rid_sans_at): New table.
3121 (init_reswords): Initialize it.
3122 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3123 retrieving the next token and checking it for significance as
3124 an ObjC keyword or string constant.
3126 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3127 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3129 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3132 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3134 * config/m68k/m68k.c (const_uint32_operand): Accept any
3135 const_int on a 32-bit host.
3137 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3139 * objc/objc-act.c (init_objc): Set save_lang_status,
3140 restore_lang_status, and mark_lang_status.
3142 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3144 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3146 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3148 * cppinternals.texi: Update.
3150 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3152 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3153 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3154 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3155 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3156 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3157 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3158 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3159 config/i386/xm-i386.h, config/i860/xm-i860.h,
3160 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3161 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3162 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3163 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3164 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3165 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3166 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3167 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3168 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3169 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3170 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3171 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3172 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3173 match the defaults provided in hwint.h.
3175 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3176 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3178 * config.gcc (xm_file): Don't set to files which are deleted.
3180 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3181 guard this file against these macros being undefined.
3183 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3185 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3186 and DECL_DEFER_OUTPUT on the decl we create, before calling
3187 rest_of_decl_compilation.
3189 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3191 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3193 * configure, config.in: Regenerate.
3194 * config.gcc: Remove references to deleted files.
3196 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3197 genrecog.c, rtl.c: Do not use alloca anywhere.
3199 * Makefile.in, build-make, system.h, config/x-interix,
3200 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3201 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3202 config/arc/xm-arc.h, config/arm/xm-arm.h,
3203 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3204 config/h8300/xm-h8300.h, config/i370/x-oe,
3205 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3206 config/i386/x-ncr3000, config/i386/x-sco5,
3207 config/i386/xm-dgux.h, config/i860/x-sysv4,
3208 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3209 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3210 config/m68k/x-hp320g, config/m69k/x-mot3300,
3211 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3212 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3213 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3214 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3215 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3216 config/mips/x-iris, config/mips/x-iris3,
3217 config/mips/x-sni-svr4, config/mips/x-sysv,
3218 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3219 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3220 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3221 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3222 config/pa/xm-papro.h, config/romp/xm-romp.h,
3223 config/rs6000/x-aix31, config/rs6000/x-aix41,
3224 config/rs6000/x-beos, config/rs6000/x-lynx,
3225 config/rs6000/x-mach, config/rs6000/x-rs6000,
3226 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3227 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3228 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3229 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3230 config/vax/xm-vms.h: Eradicate all references to alloca and
3233 * config/xm-alloca.h, config/clipper/x-clix,
3234 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3235 config/i860/x-sysv3, config/m88k/x-sysv3,
3236 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3237 (contained only alloca related hacks).
3239 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3242 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3244 * invoke.texi: Document __FAST_MATH__.
3246 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3248 * crtstuff.c: Restore include of auto-host.h.
3250 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3252 Put main() in a separate file, so that the language
3253 front-end can use a different main().
3256 * toplev.c: (main): Rename as toplev_main.
3257 * toplev.h: Declare toplev_main.
3258 * Makefile.in (OBJS): add toplev.o.
3259 (BACKEND): remove toplev.o, add main.o.
3261 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3263 * cppfiles.c (search_from): Special case the empty string.
3265 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3267 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3268 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3269 strlen or strcpy; we already know the length.
3270 (_cpp_compare_file_date): Similarly.
3271 * cpphash.h (struct cpp_reader): Delete done_initialising.
3272 (CPP_PREV_BUFFER): Delete.
3273 * cppinit.c (cpp_start_read): Don't set done_initialising.
3274 * cpplex.c (parse_string): Guarantee null-termination.
3275 (_cpp_equiv_toklists): Remove.
3276 * cpplib.c (glue_header_name): Null-terminate.
3277 (do_line): Don't leak memory.
3278 * cpplib.h (BT_WEAK): Delete.
3279 * cppmain.c (cb_ident): Strings are now null-terminated.
3281 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3283 * gcc.c (convert_filename): Append executable suffix
3284 if NO_AUTO_EXE_SUFFIX is not defined.
3285 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3286 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3288 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3290 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3291 * c-parse.gperf, c-gperf.h: Delete.
3292 (c-gperf.h was accidently re-added to the CVS repo in the rev
3293 1.16 commit by tromey)
3295 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3297 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3298 macro arguments when looking for the '('.
3299 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3300 2 when really parsing arguments; 1 when looking for '('.
3301 Always restore the lexer position.
3303 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3305 * longlong.h (umul_ppmm): Don't use a multiline string.
3307 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3309 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3310 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3311 t_bool in declaration because pcc can't combine volatile with typedef
3314 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3316 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3317 until when it is really needed.
3318 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3319 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3320 * i386.md (float?i?f splitter): Don't force source operand to memory
3322 (sse_movdfcc): Fix constraint.
3323 (sse_movdfcc splitter): Handle properly the second alternative.
3325 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3327 * cpplex.c (parse_string): Unconditionally pedwarn.
3329 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3332 * cppexp.c (parse_number): Update.
3333 * cpplex.c (parse_string): Pedwarn if multiline string does not
3334 result from a system header's macro.
3335 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3336 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3337 for function-like macros too.
3338 * c-lex.c (lex_number): Update.
3340 2001-03-03 Richard Henderson <rth@redhat.com>
3342 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3344 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3346 * combine.c (try_combine): If split with mode-changed scratch
3347 register didn't work, try the original mode.
3349 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3351 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3352 * config/c4x/c4x.h: Likewise.
3353 * stor-layout.c (compute_record_mode): Likewise.
3354 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3356 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3358 * configure.in: Kill tm.h. Include the files in the $tm_file
3359 list in all three of config.h, hconfig.h, tconfig.h, after the
3360 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3361 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3362 * configure: Regenerate.
3363 * Makefile.in (clean): Don't delete tm.h.
3365 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3366 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3367 those are not defined, set SEC and FEC to 0 and 1.
3368 * gcc.texi: Update to match.
3370 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3371 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3372 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3373 Include tconfig.h, not tm.h.
3375 * config/xm-lynx.h, config/xm-std32.h,
3376 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3377 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3378 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3379 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3380 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3381 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3382 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3383 config/i386/xm-i386.h, config/i860/xm-i860.h,
3384 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3385 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3386 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3387 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3388 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3389 config/pa/xm-linux.h, config/pa/xm-pa.h,
3390 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3391 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3392 config/pj/xm-pj.h, config/romp/xm-romp.h,
3393 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3394 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3395 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3396 config/v850/xm-v850.h, config/vax/xm-vax.h,
3397 config/we32k/xm-we32k.h:
3399 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3401 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3402 config/i370/xm-oe.h: Don't include tm.h. Don't define
3404 * config/vax/xm-vms.h: Don't include tm.h.
3406 * config/xm-lynx.h, config/avr/xm-avr.h,
3407 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3408 Delete; made empty by above changes.
3409 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3410 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3411 Don't include config/xm-lynx.h or tm.h.
3413 * config/xm-gnu.h: Don't include fcntl.h.
3414 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3416 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3418 2001-03-02 Richard Henderson <rth@redhat.com>
3420 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3421 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3423 2001-03-02 Richard Henderson <rth@redhat.com>
3425 * Makefile.in (OBJS): Add dwarf2asm.o.
3426 * dwarf2asm.c, dwarf2asm.h: New files.
3427 * dwarf2out.c (*): Use them.
3428 (size_of_uleb128, size_of_sleb128): Remove.
3429 (output_uleb128, output_sleb128): Remove.
3430 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3431 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3432 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3433 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3434 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3435 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3436 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3437 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3438 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3439 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3440 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3441 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3442 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3443 (dwarf2out_frame_debug): Remove unused variables.
3444 (output_loc_operands): Don't abort on 8 byte constants if
3445 host integers are wide enough.
3446 (output_symbolic_ref): Remove.
3447 (size_of_die): Don't assume 4 byte host integers.
3448 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3450 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3451 something stupid with HOST_WIDE_INT to long truncation.
3452 [CONST_DOUBLE]: Likewise.
3454 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3455 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3456 * config/arm/unknown-elf.h: Likewise.
3457 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3458 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3459 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3460 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3461 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3462 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3463 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3464 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3465 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3466 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3467 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3468 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3470 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3472 * cselib.c (hash_rtx): Cast enums to unsigned int.
3474 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3476 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3477 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3479 * c-format.c (C_STD_VER): Cast to int for comparisons.
3480 (check_function_format): Cast various enums to int for &.
3481 (maybe_read_dollar_number): Likewise.
3482 (check_format_info): Likewise.
3483 (check_format_info_main): Likewise.
3484 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3485 (safe_from_p): Likewise.
3486 * varasm.c (const_hash): Cast enum to int for %.
3487 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3488 pcc enum problems with < and ++ operators.
3489 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3490 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3491 (regclass_init): Change enum class to int to iterate over reg_classes.
3492 * genrecog.c (merge_trees): Cast enums for comparison.
3493 * rtl.h (GET_CODE): Cast to enum rtx_code.
3494 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3495 (GET_MODE): Cast to enum machine_mode.
3496 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3497 (GET_NOTE_INSN_NAME): Cast enum to int.
3498 * tree.h (TREE_CODE): Cast to enum tree_code.
3499 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3500 * timevar.c (timevar_print): Change loop variable id from enum to
3502 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3503 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3504 * toplev.c (compile_file): Cast enum DFI to int.
3505 (decode_d_option): Likewise.
3507 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3509 * cppinit.c (append_include_chain): Mark "after" include file name list
3510 as a system directory.
3511 * cpp.texi: Document new behavior.
3513 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3515 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3517 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3519 * cppfiles.c (struct include_file): Update.
3520 (stack_include_file): Use search_from.
3521 (cpp_included, find_include_file): Update.
3522 (cpp_execute_include): Update. ptr->name may not be
3523 null terminated. Use the new search_from member variable
3525 (_cpp_compare_file_date): Similarly.
3526 (search_from): New function, similiar to actual_directory.
3527 (actual_directory): Delete.
3528 (remap_filename): Update. loc->name may not be null terminated.
3529 (struct file_name_list): Rename search_path. Update.
3530 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3531 search_from and dir.
3532 (struct cpp_reader): Remove actual_dirs.
3533 * cppinit.c (struct cpp_pending): Update for renamed objects.
3534 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3535 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3536 * cpplib.h (struct cpp_options): Similarly.
3538 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3540 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3541 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3542 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3543 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3544 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3545 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3546 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3547 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3548 config/i370/xm-oe.h, config/i386/xm-aix.h,
3549 config/i386/xm-i386.h, config/i386/xm-osf.h,
3550 config/i860/xm-i860.h, config/i960/xm-i960.h,
3551 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3552 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3553 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3554 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3555 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3556 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3557 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3558 config/pj/xm-pj.h, config/romp/xm-romp.h,
3559 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3560 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3561 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3562 config/v850/xm-v850.h, config/vax/xm-vax.h,
3563 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3564 Do not define TRUE or FALSE.
3566 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3567 empty by above change.
3568 * config.gcc: Remove references to these files.
3570 * configure.in: Detect stdbool.h.
3571 * configure, config.in: Regenerate.
3572 * system.h: Include stddef.h here if available.
3573 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3574 Then set up a sensible boolean type at the very end.
3576 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3577 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3579 * hash.h: Delete 'boolean' typedef and related #undefs.
3581 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3582 all uses of 'boolean' with 'bool'.
3584 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3586 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3587 * cppexp.c (lex): Cast enums for comparison.
3588 * cppinit.c (parse_option): Cast enum for comparison.
3589 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3590 (cpp_output_token): Likewise.
3591 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3592 (cpp_avoid_paste): Cast enums for minus and comparison.
3594 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3596 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3597 field to all array elements.
3599 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3601 * cpphash.h (struct cpp_reader): Add print_version field.
3602 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3603 just set print_version and other flags as appropriate.
3604 (cpp_post_options): Print version here if print_version is set.
3606 * toplev.c (exit_after_options): New flag.
3607 (independent_decode_option): Don't exit here; just set
3609 (main): Exit after calling lang_hooks.post_options if
3610 exit_after_options is true.
3612 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3613 (merge_include_chains): Adjust comment to match code.
3615 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3617 * stringpool.c (set_identifier): New function.
3618 * tree.h: Prototype it.
3620 * c-parse.in: Kill D_YES. If compiled for objc, call
3621 save_and_forget_protocol_qualifiers from init_reswords.
3622 * objc/objc-act.c (remember_protocol_qualifiers,
3623 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3624 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3626 (save_and_forget_protocol_qualifiers): New function.
3627 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3629 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3631 * c-semantics.c (prune_unused_decls): Return error_mark_node
3632 instead of (tree) 1 to stop traversing the tree chain.
3634 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3636 Fix a problem introduced by Kenner's Feb 18 change.
3637 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3638 flag_cse_skip_blocks only temporarily, not for ever.
3640 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3642 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3643 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3645 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3646 before determining its register class.
3648 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3650 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3651 from reg 4 if current_function_calls_setjmp.
3652 (gen_nop_type): New function.
3653 (ia64_emit_nops): New function.
3654 (ia64_reorg): Call it.
3655 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3657 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3658 code not to try to optimize adds with anything but a REG destination.
3660 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3661 (INSN_PRIORITY_KNOWN): New accessor macro.
3662 * haifa-sched.c (priority): Use it instead of testing priority against
3665 2001-02-28 DJ Delorie <dj@redhat.com>
3667 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3668 since that doesn't work the way gcc wants on a generic m68k.
3670 2001-02-28 Richard Henderson <rth@redhat.com>
3672 * caller-save.c (save_call_clobbered_regs): Fix typo in
3673 comparison last change.
3675 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3677 * i386.c (pentium4_cost): New.
3678 (m_PENT4): New macro.
3679 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3680 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3681 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3682 x86_memory_mismatch_stall): Add Pentium4
3683 (x86_use_q_reg, x86_use_any_reg): Kill.
3684 (override_options): Add pentium4.
3685 (incdec_operand): Return 0 for pentium4.
3686 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3687 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3688 (TARGET_PENTIUM4): Define.
3689 (enum processor_type): Add PROCESSOR_PENTIUM4.
3690 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3691 * i386.md (attribute "cpu"): Add pentium4.
3692 * invoke.texi (march): Add pentium4.
3694 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3696 * i386.md (sse_mov?fcc*): New patterns and splitters.
3697 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3698 the SSE based conditional moves.
3700 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3702 * i386.md (attribute mode): Add "TI".
3703 (movsf_1): Add pxor support; remove constant propagation splitter.
3704 (movdf_integer): Likewise.
3705 (movdf_nointeger): Likewise.
3706 (movxf constant prop splitter): Handle all modes; update for SSE.
3707 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3708 * i386.c (standard_80387_constant_p): Rewrite.
3709 (standard_sse_constant_p): New.
3710 * i386-protos.h (standard_sse_constant_p): New.
3712 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3714 * i386.md (sse_setccsf, sse_setccdf): New.
3715 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3717 * i386.c (sse_comparison_operator): Accept the supported unordered
3718 comparses; be ready for fast_math.
3719 (print_operand): Support 'D'.
3721 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3723 * jump.c (reversed_comparison_code): Kill.
3725 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3727 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3730 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3732 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3733 add missing '%' in constraints.
3735 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3737 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3738 for HOST_BITS_PER_WIDE_INT == 32 too.
3740 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3742 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3744 (insert_save, insert_restore): New parameter save_mode.
3745 (init_caller_save): Update initialization of reg_save_code
3746 and reg_restore_code.
3747 (save_call_clobbered_regs): Compute save_modes and update calls to
3748 reg_save_code and reg_restore_code.
3749 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3750 of spill; update use of reg_restore_code.
3751 (insert_save): Likewise.
3752 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3753 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3754 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3756 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3758 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3759 noce_try_store_flag_inc, noce_try_store_flag_mask,
3760 noce_try_cmove_arith):
3761 Use reversed_comparison_code instead of reverse_comparison and
3762 can_reverse_comparison_p.
3764 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3766 * jump.c (reversed_comparison_code_parts): Allow reversal of
3767 unordered compares in -ffast-math mode; reverse ordered compares
3768 for FP even w/o -ffast-math.
3770 2001-02-27 Richard Henderson <rth@redhat.com>
3772 * print-rtl.c (print_rtx) [i]: Don't print field five on
3773 NOTEs other than NOTE_INSN_DELETED_LABEL.
3775 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3777 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3778 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3780 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3782 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3783 even if walk_subtrees is 0.
3784 * c-semantics.c (prune_unused_decls): Return a non-null value to
3785 stop traversing the tree chain.
3787 2001-02-27 DJ Delorie <dj@redhat.com>
3789 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3790 register, *then* define it as the new CFA.
3792 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3794 * pa.c (override_options): Promote -fpic to -fPIC.
3795 (legitimize_pic_address): Simplify due to removal of
3796 small PIC as a code generation option.
3797 (secondary_reload_class): Similarly.
3798 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3799 (PRINT_OPERAND_ADDRESS): Similarly.
3800 * pa.md (various patterns): Similarly.
3801 (small pic lo_sum pattern): Remove.
3803 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3806 * md.texi (min, max): Document
3808 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3810 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3811 TARGET_PARTIAL_REG_DEPENDENCY.
3812 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3814 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3816 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3818 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3820 * mips.c (mips_make_temp_file): Fix thinko in last change.
3822 2001-02-26 Jason Eckhardt <jle@redhat.com>
3824 * combine.c (known_cond): Do not reverse the condition when
3825 SMAX/UMAX is being considered and the condition is for equality
3828 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3830 2001-02-26 Philip Blundell <philb@gnu.org>
3832 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3834 * config/arm/linux-elf.h: Remove historical relics related to
3835 above configurations.
3836 * config/arm/linux-oldld.h: Delete.
3837 * config/arm/linux-elf26.h: Delete.
3839 2001-02-26 Jason Merrill <jason@redhat.com>
3841 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3843 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3844 recognize a tentative definition. Lose obsolete code.
3846 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3847 variables unless necessary, either.
3849 2001-02-25 Richard Henderson <rth@redhat.com>
3851 * ifcvt.c (struct noce_if_info): Add test_bb.
3852 (noce_get_alt_condition): New.
3853 (noce_try_minmax, noce_try_abs): New.
3854 (noce_operand_ok): New.
3855 (noce_process_if_block): Use them.
3856 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3858 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3860 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3863 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3865 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3866 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3868 (mips_asm_file_end): Free temp_filename here.
3870 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3872 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3873 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3875 * config/i386/i386.md (movstrsi): Handle FAIL case.
3877 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3879 * cppinit.c (builtin_array): Update.
3880 (init_builtins): Flag builtins to warn if redefined or
3881 undefined. Define __GXX_WEAK as a normal macro.
3882 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3883 * cpplib.h (NODE_WARN): New flag.
3884 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3885 Handle __STDC__ as a builtin only on Solaris.
3886 (warn_of_redefinition): Renamed from check_macro_definition.
3887 Reverse sense of test. Always warn if NODE_WARN.
3888 (_cpp_create_definition): Use warn_of_redefinition. Flag
3889 any macro beginning with "__STDC_" to require a mandatory
3890 warning if redefined or undefined.
3892 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3894 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3895 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3896 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3897 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3898 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3899 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3900 Don't define any of:
3901 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3902 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3903 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3904 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3905 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3907 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3908 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3911 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3912 Delete now-empty file.
3914 * alpha/vms.h: Define NEED_ATEXIT here...
3915 * alpha/xm-vms.h: ...not here.
3917 * i386/cygwin.h: Don't define PARAMS.
3918 * mips/mips.c: Don't prototype mktemp. Don't define
3919 P_tmpdir. Use make_temp_file to create temporary files.
3920 Don't be clever and delete temporary files early.
3921 * config.gcc: Drop references to deleted files. Don't define
3923 * gcc.texi: Don't mention USE_PROTOTYPES.
3925 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3927 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3928 (ix86_set_move_mem_attrs_1): Likewise.
3929 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3930 * config/i386/i386.md (movstrsi): Call it.
3932 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3934 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3935 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3936 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3937 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3939 (i750a-*-*): Error here if hosting on i750a.
3940 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3942 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3943 Remove (empty modulo comments).
3945 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3946 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3947 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3948 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3949 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3950 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3952 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3953 Remove reference to winnt.h in comment.
3954 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3956 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3958 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3959 used to set another biv.
3961 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3963 * tree.h (BLOCK_DEAD): New macro.
3964 (struct tree_block): New flag, dead_flag.
3965 * print-tree.c (print_node, case 'b'): Print missing fields.
3966 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3967 * function.c (identify_blocks): Enable test for misplaced notes.
3968 (all_blocks): Skip BLOCK_DEAD blocks.
3969 * integrate.c (integrate_decl_tree): Likewise.
3971 * errors.c (internal_error, trim_filename): New functions.
3972 (fancy_abort): Call internal_error.
3973 * errors.h (internal_error, trim_filename): New declarations.
3975 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3977 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3979 (EXTRA_CONSTRAINT): Formatting changes.
3981 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3983 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3985 2001-02-23 Per Bothner <per@bothner.com>
3987 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3988 so they can be called from java/jvspec.c.
3989 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3991 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3993 * i386.c (ix86_frame): New structure.
3994 (ix86_compute_frame_size): Kill.
3995 (ix86_compute_frame_layout): New.
3996 (ix86_save_reg): New.
3997 (ix86_can_use_return_insn_p): Use frame layout stuff.
3998 (ix86_expand_prologue): Likewise.
3999 (ix86_expand_epilogue): Likewise.
4000 (ix86_initial_elimination_offset): Likewise.
4001 (ix86_nsaved_regs): Use ix86_save_reg.
4002 (ix86_emit_save_regs): Likewise.
4004 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4006 * flow.c (find_sub_basic_blocks): New function.
4007 (split_block): Be ready for basic block introduced by CODE_LABEL.
4008 (commit_one_edge_insertion): Call find_sub_basic_block.
4010 * flow.c (make_edges): Add edge from entry for blocks starting with
4011 label having ALTERNATE_NAME
4013 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4015 * function.c (epilogue_done): Be ready for first basic block not
4016 containing PROLOGUE_END note.
4017 (reposition_prologue_and_epilogue_notes): Avoid placing
4018 PROLOGUE_END note between BASIC_BLOCK.
4020 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4022 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4024 2001-02-21 DJ Delorie <dj@redhat.com>
4026 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4027 check for current_function_has_nonlocal_goto from 1999-11-12.
4029 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4031 * diagnostic.c (trim_filename): No longer static.
4032 * toplev.h (trim_filename): Declare.
4033 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4034 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4035 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4036 (rtvec_check_failed_bounds): Likewise.
4037 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4039 * convert.c (convert_to_integer): Don't do unsigned unless result or
4040 both inputs are unsigned.
4042 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4045 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4047 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4049 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4051 * Makefile.in (resource.o): Add params.h dependence.
4052 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4053 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4054 * resource.c: Add dependence on params.h.
4055 (current_live_regs): Fix explanatory comment.
4056 (find_basic_block): Add new parameter to permit limiting search
4058 (mark_target_live_regs): Add new argument to find_basic_block call.
4059 (incr_ticks_for_insn): Likewise.
4061 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4063 * diagnostic.c (output_to_stream): Rename to
4064 output_buffer_to_stream. Loses the stream parameter.
4065 (init_output_buffer): Set diagnosic_buffer's stream.
4066 (flush_diagnostic_buffer): Adjust.
4067 (default_print_error_function): Likewise.
4068 (finish_diagnostic): Likewise.
4069 (verbatim): Likewise.
4071 * diagnostic.h (struct output_buffer): Add `stream' field.
4072 (output_buffer_attached_stream): New macro.
4074 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4076 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4077 check if either operand is divisible by C.
4078 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4079 If type is signed, consider negative numbers as well.
4081 2001-02-22 Richard Henderson <rth@redhat.com>
4083 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4084 reach .text instead of gp-relative relocs.
4085 * config/ia64/crtend.asm (.init): Likewise.
4087 2001-02-22 Andreas Jaeger <aj@suse.de>
4089 * extend.texi (C++ Attributes): Fix typo.
4091 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4093 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4094 functions, drop current_function_args_info.words test.
4095 (ia64_compute_frame_size): Mark syscall_linkage functions as
4096 using eight input registers.
4098 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4099 Bruce Korb <bkorb@gnu.org>
4101 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4102 * fixinc/README: Document how to convert sed substitutions
4103 to format style c_fix-es.
4104 * fixinc/fixincl.x: regen
4106 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4108 * gcc.c: Add comment explaining how to add a command-line option.
4109 Add title to specs language comment.
4111 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4113 * gcc.c (cc1_options): Add "-param".
4114 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4115 (option_map): Likewise.
4116 * toplev.c (display_help): Add entry for "--param".
4117 (independent_decode_option): Fix typographical error.
4119 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4120 Bernd Schmidt <bernds@redhat.com>
4121 Jan Hubicka <jh@suse.cz>
4123 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4124 (function_arg): Likewise.
4126 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4128 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4130 2001-02-21 Kazu Hirata <kazu@hxi.com>
4132 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4136 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4138 * flow.c (init_propagate_block_info): Canon address and use single_set
4139 for killing dead memory stores.
4141 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4143 * Makefile.in (reorg.o): Add params.h dependence.
4144 * params.def: Fix typographical error in comment.
4145 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4146 * params.h: Modify introductory comment.
4147 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4148 * reorg.c: Add dependence on params.h.
4149 (redundant_insn): Add parameterized throttle for search.
4150 (fill_simple_delay_slots): Add a comment explaining a variable.
4151 Move conditional out of loop, simplifying code.
4152 (fill_eager_delay_slots): Fix typographical error in comment.
4154 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4156 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4158 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4159 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4161 2001-02-21 Jason Merrill <jason@redhat.com>
4163 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4164 (struct tree_decl): Add uninlinable bitfield.
4165 * c-decl.c (duplicate_decls): Set it.
4166 * integrate.c (function_cannot_inline_p): Check it.
4168 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4169 DW_AT_MIPS_linkage_name to abstract methods.
4170 (dwarf2out_abstract_function): Emit class context before calling
4171 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4172 (gen_subprogram_die): Remove obsolete code.
4173 (gen_member_die): Don't include clones in the member list.
4174 (gen_decl_die): Emit abstract info for clone origin.
4175 * dwarfout.c (output_type): Don't include clones in the member list.
4176 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4177 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4178 DECL_ABSTRACT on a function that already has it set.
4180 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4181 (get_subprogram_die): Pass it in.
4183 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4185 * flow.c (mark_set_1): Make not_dead unsigned long. For
4186 non-pseudos, use it as a bitmask of the hard regs that
4189 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4191 * cppfiles.c: Update comments.
4192 (_cpp_read_file): Don't check for NULL filenames any more.
4193 * cppinit.c (cpp_start_read): Don't do canonicalization of
4194 in_fname and out_fname. Use the passed file name exclusively.
4195 (_cpp_handle_options): Don't treat "-" as a command line option,
4196 but as a normal filename.
4197 (_cpp_post_options): Canonicalize in_fname and out_fname.
4198 * cppmain.c (printer_init): Don't check out_fname for NULL.
4199 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4200 (init_c_lex): Update, and use "" to represent stdin to CPP.
4203 2001-02-20 Will Cohen <wcohen@redhat.com>
4205 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4206 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4207 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4210 2001-02-20 Stan Shebs <shebs@apple.com>
4212 * config/rs6000/rs6000.c (output_cbranch): Output branches
4213 on separate lines instead of using ';' to separate.
4215 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4217 * cppinit.c (set_lang): Move builtin handling to...
4218 (init_builtins): ...here.
4219 (_cpp_create_reader): Move call to set_lang.
4221 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4223 * stmt.c (expand_return): If an attempt is made to return the
4224 error_mar_node, treat the return like a return without a value.
4226 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4228 * sibcall.c (skip_copy_to_return_value): Call
4229 identify_call_return_value here, and return orig_insn if it
4230 returns zero. Hardret and softret arguments now unnecessary.
4231 (call_ends_block_p): Don't call identify_call_return_value here.
4233 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4235 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4236 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4238 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4240 * pa.c (move_operand): Accept code to load the address of a
4241 symbol out of the DLT as a valid move operand.
4242 (print_operand, case 'A'): New to handle generating a DLT
4243 reference for a LO_SUM expression.
4244 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4245 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4247 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4249 * README, cpp.texi, gcc.texi, version.c: Update version number to
4251 * cpp.1, gcov.1, gcc.1: Regenerate.
4253 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4255 * cppfiles.c (stack_include_file): Generate dependencies
4256 here, and manage include_count here too.
4257 (PRINT_THIS_DEP): Delete.
4258 (_cpp_execute_include): Do not generate dependencies here,
4259 apart from the case of a missing header. Do not manage
4261 (_cpp_read_file): Leave dependency generation to
4264 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4266 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4267 target_cpu_default. Remove dead assignment to
4270 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4272 * regclass.c (contains_reg_of_mode): Make global.
4273 (init_reg_sets): Remove contains_reg_of_mode; take into account
4274 CLASS_MAX_NREGS when looking for the proper mode.
4275 (dump_regclass): Dump only classes considered for the pseudo.
4276 (regclass): Use contains_reg_of_mode.
4278 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4280 * gcc.c (do_spec_1): 'n' for printing notices.
4281 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4283 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4285 * reg-stack.c (next_flags_user): Use current_block->end
4286 (swap_rtx_condition): Look for next user if flags don't die;
4287 give up on CALL_INSNs; use current_block->end.
4289 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4291 * sibcall.c (call_ends_block_p): New function.
4292 (optimize_sibling_and_tail_recursive_call): Use it.
4294 2001-02-18 Kazu Hirata <kazu@hxi.com>
4296 * config/h8300/h8300.md: Update copyright.
4297 (andsi3): Do not output an extra newline character.
4299 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4301 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4302 FNDECL may be unused.
4304 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4305 follow jumps after first run.
4306 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4307 it doesn't change any jumps.
4309 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4311 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4312 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4313 (mostlyclean): Corresponding changes.
4314 * rtlanal.c (hard-reg-set.h): Include.
4315 (rtx_unstable_p): Do not treat the argument pointer specially
4316 if it is not a fixed register.
4317 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4319 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4321 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4322 against last real insn in basic block.
4323 Rework to avoid gotos.
4325 * Makefile.in (gcse.o): Now includes ggc.h.
4326 * gcse.c: Include ggc.h.
4327 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4328 (try_replace_reg): Remove warning of uninitialize variable.
4329 (process_insert_insn): Call invalid_insn_p to validate insn.
4330 * recog.c (insn_invalid_p): Now global.
4331 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4332 * recog.h (insn_invalid_p): New declaration.
4334 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4336 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4337 assignments from FP constants since 'Y' output code can't handle it.
4338 (eligible_for_sibcall_delay): Likewise.
4340 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4341 Call fancy_abort directly, passing args.
4342 (print_rtl_and_abort): Now a macro, like fancy_abort.
4344 * final.c (output_operand_lossage): Use internal_error, not error.
4346 2001-02-18 Shane Nay <shane@agendacomputing.com>
4348 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4349 structure shift insns.
4351 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4353 * invoke.texi (-fsquangle): Remove documentation.
4354 (-fname-mangling-version): Likewise.
4356 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4358 * optabs.c (expand_abs): Remove reference to
4359 HAVE_contitional_arithmetic.
4360 * combine.c (simplify_set): Likewise.
4362 2001-02-18 Richard Henderson <rth@redhat.com>
4364 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4367 2001-02-18 Richard Henderson <rth@redhat.com>
4369 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4371 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4373 * reload1.c (reload_cse_simplify_set): Fix typo.
4375 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4377 * diagnostic.c (_fatal_insn): Decrement errorcount.
4379 * invoke.texi (-I): Add note avoiding use for system header files.
4381 * rtl.h (add_clobbers): Remove duplicate declaration.
4382 * recog.h (added_clobbers_hard_reg_p): New declaration.
4383 * genemit.c (struct clobber_pat): New field has_hard_reg.
4384 (gen_insn): Record if added clobbers clobber hard reg.
4385 (gen_split): Avoid unused warning if number of operands is 0.
4386 (output_added_clobbers_hard_reg_p): New function.
4389 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4391 * pa.c (hppa_expand_prologue): Simplify code storing return
4392 pointer. For large (>=8k) frames with a post_store, adjust stack
4393 pointer by 8k-64 first rather than by 64. When testing with
4394 VAL_14_BITS_P, always use the actual value rather than the value
4395 negated. Add blockage to prevent scheduling of spills before
4396 stack frame has been created.
4397 (hppa_expand_epilogue): Simplify code loading return pointer.
4398 Allow a slightly larger range for merge_sp_adjust_with_load case.
4399 When testing with VAL_14_BITS_P, always use the actual value.
4401 * pa.c (pa_adjust_insn_length): Check that block move
4402 pattern is a set before looking at operands.
4404 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4406 * fold-const.c (fold_binary_op_with_conditional_arg): New
4407 function, split out from ...
4409 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4410 conditional arms that throw exceptions.
4412 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4415 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4417 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4418 define HAVE_DECL_* to 1 to mask potential backup declarations.
4419 * configure: Regenerated.
4421 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4423 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4425 2001-02-17 Richard Henderson <rth@redhat.com>
4427 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4428 when replacing a memory load with a register.
4430 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4431 Jan Hubicka <jh@suse.cz>
4433 * recog.c (validate_replace_src_1): New.
4434 (validate_replace_src_data): Likewise.
4435 (validate_replace_src): Use note_uses.
4436 * rtl.h (note_uses): Declare.
4437 * rtlanal.c (note_uses): New.
4439 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4441 * reg-stack.c (stack_def): Make field reg unsigned.
4442 (remove_regno_note): Unsignetize parameter.
4444 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4446 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4447 shladd_operand() call.
4449 2001-02-16 Bruce Korb <bkorb@gnu.org>
4450 Rodney Brown <RodneyBrown@mynd.com>
4452 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4453 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4454 machine restrictions
4455 * fixinc/fixincl.x: regen
4457 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4459 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4461 (hash_scan_insn): Clean up calls to hash_scan_set.
4462 (compute_kill_rd): REGNO now unsigned.
4463 (try_replace_reg): Rework to use simplify_replace_rtx.
4464 (cprop_jump, cprop_cc0_jump): Likewise.
4465 (cprop_insn): Call find_reg_equal_equiv_note.
4466 Reflect changes to cprop_jump and cprop_cc0_jump.
4468 * recog.c (validate_replace_src): Replace in operands of
4469 ZERO_EXTRACT in SET_DEST.
4471 * cse.c (new_label_ref): New variable.
4472 (insert): Set it instead of recorded_label_ref.
4473 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4474 CODE_LABEL for this function, and not already in REG_LABEL note.
4476 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4478 * resource.c (mark_referenced_resources): Fix typo in introductory
4480 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4483 2001-02-16 Jason Merrill <jason@redhat.com>
4485 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4487 (gen_subprogram_die): Don't abort on seeing a second definition if
4488 the previous one was abstract. Don't replace an abstract instance
4489 in the lookup table.
4491 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4492 gen_abstract_function.
4493 * dwarf2out.h: Declare it.
4494 * toplev.c (note_outlining_of_inline_function): New fn.
4495 * toplev.h: Declare it.
4496 * integrate.c (output_inline_function): Call it.
4497 * c-decl.c (duplicate_decls): Call it when redefining an extern
4498 inline. Don't inline the new defn.
4500 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4502 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4504 * .gdbinit: Rename to gdbinit.in.
4505 * gdbinit.in: New file,
4506 * configure.in: Generate .gdbinit from gdbinit.in.
4507 * configure: Regenerated.
4508 * Makefile.in (distclean): Always remove .gdbinit.
4510 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4512 * objc/objc-act.c (start_class): Register implemented_classes with
4515 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4517 * cppfiles.c (_cpp_make_system_header): Generate a file
4520 2001-02-15 Jim Meyering <meyering@lucent.com>
4522 * Makefile.in (install-common): Don't depend on installdirs here.
4523 Instead, make each of the lang.install-common targets (e.g.,
4524 c++.install-common in cp/Make-lang.in) depend on it.
4525 (install-driver): Depend on installdirs.
4527 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4529 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4531 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4534 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4536 * invoke.texi (--param): Document.
4538 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4540 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4542 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4544 * i386.md (extendsfdf2_2): Fix constraints.
4546 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4548 * i386.md (fop_df_3 splitter): Fix operand number.
4550 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4552 * invoke.texi (-mreg-alloc): Nuke.
4553 * i386.c (ix86_reg_alloc_order, regs_allocated,
4554 order_regs_for_local_alloc): Nuke.
4555 (override_options): Kill reg_alloc code.
4556 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4557 (REG_ALLOC_ORDER): SSE goes before I387.
4558 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4559 (ix86_reg_alloc_order): Likewise.
4560 * i386-protos.h (ix86_reg_alloc_order): Kill.
4562 2001-02-14 Richard Henderson <rth@redhat.com>
4564 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4566 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4568 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4570 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4572 * i386-protos.h (ix86_memory_move_cost): Move offline.
4573 * i386.c (ix86_register_move_cost): Compute properly cost of
4574 SSE, MMX and i387 instructions.
4575 (*_cost): Add costs of SSE/MMX moves.
4576 (ix86_memory_move_cost): Move offline from ....; Likewise.
4577 * i386.h (MEMORY_MOVE_COST): .... here;
4578 (struct processor costs): Add new fields to represent costs
4581 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4583 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4584 move_cost together with Matt Kraai's fix.
4586 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4588 * Makefile.in (OBJS): Add params.o.
4590 2001-02-14 Richard Henderson <rth@redhat.com>
4591 DJ Delorie <dj@redhat.com>
4593 * jump.c (jump_optimize_1): When we delete a conditional jump
4594 preceeding a non-conditional jump to effectively the same place,
4595 make sure that the combined jump skips any clobber insns between
4598 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4600 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4602 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4604 * Makefile.in (toplev.o): Depend on params.h.
4605 (intergate.o): Likewise.
4606 (params.o): New target.
4607 * flags.h (inline_max_insns): Remove.
4608 * integrate.c: Include params.h.
4609 Use MAX_INLINE_INSNS instead of inline_max_insns.
4610 * params.c: New file.
4611 * params.h: Likewise.
4612 * params.def: Likewise.
4613 * toplev.c: Include params.h.
4614 (lang_independent_params): New variable.
4615 (decode_f_option): Use the param machinery instead of setting
4617 (independent_decode_option): Handle "--param name=value".
4618 (main): Register language-independent parameters.
4620 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4622 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4624 2001-02-14 Richard Henderson <rth@redhat.com>
4626 * regclass.c (init_reg_sets_1): Revert last two changes.
4628 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4630 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4631 (variable_size): Call put_pending_size.
4632 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4633 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4634 sizes list, put newly created SAVE_EXPR there as well.
4636 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4638 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4639 (errata_find_address_regs): load_group has only 2 entries.
4640 (errata_emit_nops): Likewise. shladd is not problematic.
4641 Clear last_group if nop was emitted.
4642 (fixup_errata): load_group has only 2 entries.
4645 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4647 * c-lex.c (lex_number): Only warn traditionally for U suffix
4648 outside system macros.
4649 * cppexp.c (parse_number): Similarly.
4650 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4651 * cppmacro.c (struct cpp_macro): New member node.
4652 (parse_args): Only warn about missing rest args if not
4654 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4655 (cpp_sys_objmacro_p): New.
4656 (_cpp_create_definition): Store the node with the macro defn.
4657 Remember if the macro is defined in a system header.
4659 2001-02-13 DJ Delorie <dj@redhat.com>
4661 * configure.in (check_languages): determine languages to check
4662 * Makefile.in (check-c++): alias for check-g++
4663 (check-f77): alias for check-g77
4664 (CHECK_TARGETS): depend on configured languages
4666 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4668 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4669 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4670 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4671 (sqrtextendsfdf2): Disable for SSE2.
4673 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4675 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4676 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4677 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4678 (sqrtextendsfdf2): Disable for SSE2.
4680 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4682 * i386.md (movsfcc_1): Support integer cmove instruction.
4683 (movdfcc_1): Likewise; new splitter.
4685 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4687 * i386.c (output_fp_compare): Support SSE.
4688 (prepare_fp_compare_args): SSE comparisons always support memory.
4689 * i386.h (TARGET_CMOVE): SSE imply cmove.
4690 * i386.md (cmp?f2): Enable for SSE too.
4691 (cmpfp_i*): Support SSE.
4693 (cmpfp_i_sse_only): New.
4694 (s*, b* fp expanters): Enable for SSE too.
4695 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4698 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4700 * regclass.c (init_reg_sets_1): Silence warning.
4702 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4704 * i386.md (sqrt?f2): Change to expander.
4705 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4707 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4709 * rtlanal.c (find_reg_equal_equiv_note): New function.
4710 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4711 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4712 * rtl.h: Add declarations for above functions.
4714 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4716 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4718 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4719 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4720 * flow.c (mark_regs_live_at_end): Likewise.
4721 (calculate_global_regs_live): Likewise.
4722 * gcse.c (compute_hash_table): Likewise.
4723 (compute_kill_rd): Likewise.
4724 * resource.c (mark_target_live_regs): Likewise.
4725 * rtl.h (INVALID_REGNUM): New macro.
4727 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4729 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4731 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4733 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4736 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4738 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4740 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4741 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4742 (fop_sf_1_sse, fop_df_1_sse): New patterns
4743 (fop_*): Disable float_extend and float patterns for SSE compilation.
4744 * i386.c (output_387_binary_op): Support SSE.
4746 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4748 * i386.md (dummy_extendsfdf2): Support SSE2
4749 (extendsfdf2): Enable if 80387 or SSE2.
4750 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4751 and no MIX_I387_SSE2
4752 (extendsfdf2_1_sse_only): New pattern.
4753 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4755 (truncdfsf2_1): Support SSE.
4756 (truncdfsf2_2): Support SSE.
4757 (truncdfsf2_2_1_sse): New pattern.
4758 (fixtruncsfsi2): Always use SSE if available.
4759 (fix_truncsfsi_sse): New pattern.
4760 (fix_truncdfsi_sse): New pattern.
4761 (floatsis?f2): Support SSE.
4762 (floatsidf2_i387): New pattern.
4763 (floatsidf2_sse): Likewise.
4765 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4767 * configure.in: Use "have_gnat" variable, not "gnat".
4768 * configure: Regenerated.
4770 * config/sparc/sparc.c (function_value): Treat all non-record
4771 aggregate types like used to treat UNION_TYPE.
4773 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4775 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4776 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4778 (MASK_MIX_SSE_I387): New.
4779 (TARGET_SSE): SSE2 imply SSE.
4780 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4781 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4782 (enum reg_class): Add new classes.
4783 (REG_CLASS_NAMES): Likewise.
4784 (REG_CLASS_CONTENTS): Likewise.
4785 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4786 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4787 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4788 (CLASS_MAX_NREGS): Use new macros.
4789 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4790 * i386.md (pushsf, movsf): Support SSE.
4791 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4792 splitters to use ANY_FP_REGNO_P.
4793 (movdf_nointeger, movdf_integer): Likewise.
4795 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4797 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4798 (try_combine): Use it.
4800 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4802 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4803 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4804 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4805 (REGISTER_MOVE_COST): Likewise.
4806 * i386-protos.h (ix86_secondary_memory_needed,
4807 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4808 * i386.c (ix86_secondary_memory_needed,
4809 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4811 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4813 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4814 (HARD_REGNO_MODE_OK): Move offline to ....
4815 * i386.c (ix86_hard_regno_mode_ok) ... here;
4816 refuse all incorrect modes.
4817 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4819 2001-02-13 Richard Henderson <rth@redhat.com>
4821 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4822 entire operator; replicate that and match_dup the operands.
4823 (cmp_ccx_arith_op_set): Likewise.
4824 (cmp_cc_arith_op_not_set): Likewise.
4825 (cmp_ccx_arith_op_not_set): Likewise.
4827 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4829 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4831 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4833 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4834 (TARGET_NO_BITFIELD_WORD): New macro.
4835 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4836 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4838 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4840 * cselib.c: New file, from simplify-rtx.c.
4841 * simplify-rtx.c: Remove cselib parts.
4842 * Makefile.in: Add cselib.o.
4844 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4846 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4847 (setup_incoming_varargs): Remove warning.
4849 * config/rs6000/rs6000.c (validate_condition_mode): When
4850 flag_fast_math, allow floating-point conditionals to be reversed.
4851 (rs6000_generate_compare): When flag_fast_math, don't generate
4852 cror operations for FP conditionals.
4854 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4856 (ASM_SPEC): Likewise.
4857 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4858 (CC1_SPEC): Likewise.
4859 (LINK_TARGET_SPEC): Likewise.
4860 (CPP_ENDIAN_SPEC): Likewise.
4861 * Makefile.in (check-consistency): New target.
4863 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4865 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4866 "return type defaults" warning for functions with return type
4868 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4869 function declarations by default rather than only when pedantic.
4871 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4873 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4876 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4878 * extend.texi (Deprecated): Deprecate new initializer lists.
4880 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4882 * mkdeps.c (deps_add_default_target): Robustify. Add
4883 basename component only.
4884 * cpp.texi (-M): Describe how default target is generated.
4885 * invoke.texi (-M): Likewise.
4887 2001-02-12 Kazu Hirata <kazu@hxi.com>
4889 * toplev.c (push_float_handler): Remove.
4890 (pop_float_handler): Remove.
4891 * toplev.h: Remove prototypes for the above functions.
4893 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4895 * c-common.c (constant_fits_type_p): New function.
4896 (convert_and_check): Use it.
4898 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4900 * Makefile.in (GXX_ABI_FLAG): Don't define.
4901 * configure.in (--enable-new-gxx-abi): Remove option.
4902 * config.in: Regenerated.
4903 * configure: Likewise.
4905 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4907 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4909 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4910 regular basic block, and arrange for all edges into it to switch
4913 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4915 * Makefile.in (distclean): Do not remove .gdbinit.
4917 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4919 * Makefile.in (gcc.o): Fix typos.
4920 (protize.o): Likewise.
4921 (unprotoize.o): Likewise.
4923 2001-02-11 Richard Henderson <rth@redhat.com>
4925 * tree.c (build1): Check for null operand in last change.
4927 2001-02-11 Richard Henderson <rth@redhat.com>
4929 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4930 (fold): Don't assume a constant isn't foldable.
4931 * tree.c (build): Set TREE_CONSTANT for an expression with no
4932 side-effects and constant operands.
4935 2001-02-10 Richard Henderson <rth@redhat.com>
4937 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4939 2001-02-10 Anthony Green <green@redhat.com>
4941 * cpp.texi (Standard Predefined): Add documentation for
4944 * c-common.c (combine_strings): Improve warning message.
4946 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4948 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4950 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4952 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4954 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4957 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4959 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4962 2001-02-09 Nick Clifton <nickc@redhat.com>
4964 * config/arm/arm.md: Change output contraint on post inc
4965 load/store multiple patterns to be a read/write contraint.
4967 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4969 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4970 .o files when using the -M options.
4972 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4973 David Edelsohn <edelsohn@gnu.org>
4975 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4976 handle DImode constants. Use one TOC entry for SImode and smaller
4977 constants, aligned properly.
4979 2001-02-08 Jason Merrill <jason@redhat.com>
4981 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4982 about the SP adjustment for saving the static chain pointer.
4983 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4984 offset when setting a temporary CFA register.
4986 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4988 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4989 powerpc-*-chorusos* .
4990 * config/rs6000/chorus.h : New file.
4991 * config/i386/chorus.h : New file.
4992 * config/sparc/chorus.h : New file.
4993 * config/sparc/t-chorus-elf : New file.
4995 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4997 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4998 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4999 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5000 (__WCHAR_TYPE__): Correct macro name.
5002 2001-02-08 Richard Henderson <rth@redhat.com>
5004 * config/i386/i386.c (ix86_frame_pointer_required): New.
5005 (ix86_setup_frame_addresses): New.
5006 (struct machine_funciton): Add accesses_prev_frame.
5007 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5008 ix86_frame_pointer_required.
5009 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5010 (SETUP_FRAME_ADDRESSES): New.
5011 * config/i386/i386-protos.h: Update.
5012 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5013 from FRAME_POINTER_REQUIRED.
5014 * config/i386/svr3gas.h: Likewise.
5015 * config/i386/sysv3.h: Likewise.
5016 * config/i386/v3gas.h: Likewise.
5018 2001-02-08 Richard Henderson <rth@redhat.com>
5020 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5021 calculation of the number of integer registers required.
5022 (function_arg_record_value): Likewise.
5024 2001-02-08 Jason Merrill <jason@redhat.com>
5026 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5027 two. Print file and line with "confused" message.
5029 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5031 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5033 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5035 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5037 * final.c (cleanup_subreg_operands): The address of a MEM can
5040 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5043 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5045 * gcc.texi (Incompatibilities): Update documentation of
5046 preprocessing numbers.
5048 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5050 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5052 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5054 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5056 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5057 * gcc.c (struct compiler): Add cpp_spec field.
5058 (input_file_compiler): New variable.
5059 (do_spec_1): Allow a particular compiler to handle `%C'
5061 (main): Store the current compiler in input_file_compiler.
5062 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5064 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5066 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5067 * cppinit.c (cpp_create_reader): Initialize them.
5068 (append_include_chain): cxx_aware arg might be unused.
5069 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5070 keywords and give them their phase 7 meaning. Pedwarn about
5071 this unless '__bool_true_false_are_defined' is defined.
5073 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5075 * lcm.c (optimize_mode_switching): Emit mode_set before the
5076 JUMP_INSN of an abnormal edge.
5078 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5080 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5081 a scheduling barrier at the end.
5083 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5085 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5087 * config/sh/sh.md (reload_outsf): Removed.
5088 (movsf_ie): Introduce constraints for FPUL loads and stores.
5089 (reload_insf): Broaden the output constraint.
5091 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5093 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5094 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5096 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5098 * final.c: Revert my previous changes.
5099 * output.h: Make profile_label_no extern.
5100 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5101 for generating label.
5103 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5105 * config/i386/djgpp.h: Add comments about standard paths.
5106 (MD_EXEC_PREFIX): Undefine before defining.
5107 (MD_STARTFILE_PREFIX): New.
5109 2001-01-30 Bruce Korb <bkorb@gnu.org>
5111 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5112 (load_file): do not rely on load_file_data() to close file pointer
5113 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5114 fixinc/inclhack.def(irix_limits_const): add test_text
5116 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5118 * cppexp.c (parse_defined): Improve diagnostics for invalid
5121 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5123 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5125 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5127 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5128 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5129 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5130 (rs6000_output_symbol_ref): New function.
5131 (output_toc): Use VTABLE_NAME_P.
5133 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5135 * print-tree.c (print_node, case PARM_DECL):
5136 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5138 * stor-layout.c (reference_types_internal): New variable.
5139 (internal_reference_types): New function.
5140 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5141 * tree.h (internal_reference_types): New declaration.
5143 * cse.c (find_best_addr): Fix typo in computing cost.
5145 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5147 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5148 and this is the sum of a pointer and a constant, we know the result
5150 (num_sign_bit_copies, case PLUS): Likewise.
5151 * explow.c (convert_memory_address): Remove opposite SUBREG.
5152 * function.c (instantiate_new_reg): New function (from common code).
5153 (instantiate_virtual_regs_1): Call it.
5154 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5155 if pointers sign- or zero-extend.
5156 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5157 If pointers extend unsigned, use inside of SUBREG.
5158 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5160 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5162 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5163 subdir of gcc_gxx_include_dir.
5164 (gcc_gxx_target_include_dir): Remove.
5166 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5168 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5169 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5170 a high-level description.
5172 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5174 * final.c: Move the declaration of profile_label_no to ...
5175 * output.h: ... here.
5176 * function.c (expand_function_start): Call PROFILE_HOOK.
5177 * config/rs6000/aix.h: Define PROFILE_HOOK.
5178 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5179 * config/rs6000/rs6000.c (output_profile_hook): Define.
5180 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5181 output_profile_hook.
5182 tm.texi : Explain new macro PROFILE_HOOK.
5184 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5186 * extend.texi (Extended Asm): Do not say that semicolon is always
5187 a valid line-breaking character for GNU assemblers. Use
5188 newline-tab as the most commonly supported syntax. Use
5189 newline-tab rather than semicolon in multi-insn examples.
5191 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5193 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5195 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5196 David Edelsohn <edelsohn@gnu.org>
5198 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5199 code for AIX, even without flag_pic.
5201 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5203 * c-typeck.c (common_type): push and pop binding level around
5204 calling common_type on function parameters.
5206 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5208 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5210 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5212 * config/mips/mips.c (override_options): Fix typo in last change.
5213 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5214 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5216 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5218 * invoke.texi (-fdump-class-layout): Document.
5219 (-fdump-translation-unit): Use `=' as filename separator.
5221 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5223 * Makefile.in (s-mlib): Don't build multilibs if
5225 (DRIVER_DEFINES): Adjust accordingly.
5227 (protoize.o): Likewise.
5228 (unprotoize.o): Likewise.
5229 * configure.in: Recognize --enable-multilib.
5231 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5233 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5235 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5236 * configure.in: Remove --enable-libstdcxx_v3 support.
5237 * configure: Regenerated.
5239 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5241 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5242 Call abort instead of fatal.
5243 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5244 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5245 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5246 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5247 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5248 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5250 * diagnostic.h (set_internal_error_function): Renamed.
5251 * toplev.h (internal_error): Renamed from fatal.
5252 (pfatal_with_name): Deleted.
5253 (fatal_io_error): Now has printf-style arguments.
5254 * diagnostic.c (pfatal_with_name): Deleted.
5255 (fatal_io_error): Rework to have args in printf-style.
5256 (set_internal_error_function): Renamed from set_fatal_function.
5257 (internal_error): Renamed from fatal.
5258 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5259 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5260 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5261 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5262 * flow.c (verify_flow_info): Likewise.
5263 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5264 * config/mips/mips.c (save_restore_insns): Likewise.
5266 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5267 * flow.c (verify_flow_info): Likewise.
5268 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5269 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5270 (avr_normalize_condition): Likewise.
5271 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5272 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5273 (limit_reload_class, double_reg_to_memory): Likewise.
5274 (print_operand_address, emit_1600_code_shift): Likewise.
5275 (gen_tst_reg, gen_compare_reg): Likewise.
5276 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5277 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5279 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5281 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5282 * objc/objc-act.c (build_ivar_chain): Likewise.
5283 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5285 * graph.c (clean_graph_dump_file): Likewise.
5286 * profile.c (init_branch_prob): Likewise.
5287 * objc/objc-act.c (objc_init): Likewise.
5289 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5290 * config/avr/avr.c (avr_override_options): Likewise.
5291 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5292 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5293 * config/h8300/h8300.c (h8300_init_once): Likewise.
5294 * config/mips/mips.c (override_options): Likewise.
5295 * config/i386/i386.c (override_options): Likewise, rework.
5296 * config/m68k/m68k.c (override_options): Likewise.
5298 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5300 * config/mips/mips.c (print_operand): Likewise.
5301 * hash.c (hash_allocate): Don't check for failure returns from
5302 obstack functions that can't fail.
5303 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5304 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5305 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5306 (get_object_reference): Likewise.
5308 2001-02-04 Nick Clifton <nickc@redhat.com>
5310 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5311 StrongARM1110, 10TDMI, and 1020T.
5313 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5315 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5317 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5319 * config/sh/sh.md (movdf load split): Pass register number to
5320 FP_OR_XD_REGISTER_P.
5322 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5324 * cppinit.c (BC): New macro.
5325 (builtin_array): Add __GXX_WEAK__.
5326 * cpplib.h (builtin_type): Add BT_WEAK.
5327 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5328 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5329 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5331 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5333 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5335 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5337 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5338 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5340 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5342 * cpphash.h: Rename ALIGN _ALIGN.
5343 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5345 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5347 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5348 compilation environment.
5349 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5350 control over location of cygwin includes and libs.
5352 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5354 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5356 2001-02-02 lars brinkhoff <lars@nocrew.org>
5358 * md.texi (Standard Names): remove reference to spur.md.
5360 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5362 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5363 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5364 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5365 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5366 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5368 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5370 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5371 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5372 number before reload.
5373 (c4x_adjust_cost): Return zero before reload.
5374 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5375 split before reload.
5377 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5379 * c4x.c (c4x_hard_regno_rename_ok): New.
5380 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5381 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5383 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5385 * diagnostic.h: Add missing "extern" in all declarations.
5387 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5389 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5390 as for gcc_gxx_include_dir.
5392 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5394 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5396 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5398 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5399 label before alignment to be used as the braf base address.
5400 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5402 (casesi_jump_2): Require at least TARGET_SH2.
5404 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5405 truncation to 32-bit doubles on -m3e and -m4-single-only.
5407 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5409 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5410 the default when building a shared object.
5411 (init_spec): Use it.
5412 * testsuite/lib/g++.exp: Include the directory where libgcc
5413 is located to the LD_LIBRARY_PATH list.
5414 * invoke.texi (-shared-libgcc): Document the cases in which
5415 GCC defaults to using the shared libgcc.
5417 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5419 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5420 unsigned is wide enough.
5422 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5423 (si_to_float): Likewise.
5424 (float_to_si, float_to_usi): Use BITS_PER_SI.
5426 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5428 * dwarf2out.c: Added explanation of abbreviations.
5429 (def_cfa_1): Added comments listing DWARF2 instructions.
5430 (cfa_temp_reg): Removed in favor of cfa_temp.
5431 (cfa_temp_value): Removed in favor of cfa_temp.
5432 (cfa_temp): New global variable.
5433 (dwarf2out_frame_debug_expr): Added extensive introductory
5434 comments explaining the function's transformations. Revised to
5435 use cfa_temp. Added some rtx checking. Generalize IOR case.
5436 (dwarf2out_frame_debug): Revised to use cfa_temp.
5437 (output_aranges): Cast as "unsigned" to avoid warning.
5438 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5439 explain which instructions must be marked.
5441 2001-02-01 Richard Henderson <rth@redhat.com>
5443 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5446 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5448 * config/sh/crt1.asm (main_k): Modified so that start calls
5449 ___setup_argv_and_call_main.
5451 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5453 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5454 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5455 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5456 * cppmacro.c (builtin_macro): Set builtin flags here.
5457 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5458 (replace_args): Clarify intent.
5459 (cpp_get_token): Macro expansion tokens get the saved flags.
5461 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5464 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5466 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5469 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5471 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5472 returns Pmode pseudo, but we need ptr_mode.
5473 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5474 Remove bogus conversions; use HOST_WIDE_INT for size.
5475 Don't use TARGET if wrong mode.
5477 * config/i386/i386.c (ix86_compute_frame_size): Allow
5478 stack_alignment_needed to be non-default even if size is zero.
5480 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5482 * pa.c (hppa_init_pic_save): New function.
5483 * pa.h (hppa_init_pic_save): Declare.
5484 * pa.md (call, call_value, sibcall, sibcall_value): Use
5485 the above instead of duplicated code.
5487 * pa.c (hppa_encode_label): Correct size of alloca buffer
5488 so we don't overrun it. Correct leading `*' case.
5489 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5490 need to handle `*@'.
5491 (FUNCTION_NAME_P): Likewise.
5493 2001-01-31 Richard Henderson <rth@redhat.com>
5495 * config.gcc (alpha-osf5): Use float-i128.h.
5497 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5498 * config/float-i32.h: Likewise.
5499 * config/float-i64.h: Likewise.
5500 * config/float-sh.h: Likewise.
5501 * config/float-sparc.h: Likewise.
5503 2001-01-31 DJ Delorie <dj@redhat.com>
5505 * expmed.c (extract_bit_field): allow non-integral modes if we
5506 want to extract a whole register from itself.
5508 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5510 * c-typeck.c (set_init_index): If first is equal to last, assume as
5511 if it was not a range at all.
5513 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5515 * config/fp-bit.c: Include tm.h.
5516 (float_to_si): Don't assume SImode is 32-bits wide.
5517 (float_to_usi): Likewise.
5519 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5521 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5523 (typename): Call pending_xref_error after parsing typed_typespecs.
5524 * c-decl.c (lookup_tag): Give error immediately rather than
5525 leaving it pending if the tag of the wrong type is in the same
5527 (xref_tag): Don't pedwarn for forward declarations of enum types
5529 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5532 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5534 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5536 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5538 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5539 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5541 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5543 * cpphash.h (struct cpp_reader): New saved_flags.
5544 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5545 to avoid a paste after a pasted token.
5547 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5549 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5550 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5551 Wtype_MIN instead of LONG_MIN.
5553 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5555 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5557 * fixinc/fixincl.x: Regenerated.
5558 * fixinc/inclhack.def (irix_limits_const): New definition to
5559 convert "const" to "__const" in limits.h.
5561 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5563 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5565 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5567 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5568 when register dies in the insn.
5570 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5572 * diagnostic.c (fatal): Fix word wrap.
5574 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5576 * combine.c (try_combine): Fix SUBREG setting for
5577 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5579 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5581 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5584 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5586 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5588 * toplev.c (decode_W_option): Update warn_larger_than
5589 unconditionally for each processed switch.
5591 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5593 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5595 (hppa_expand_prologue): Delete code to save pic offset table register
5596 in the function prologue.
5597 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5598 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5599 table register at the beginning of the function after the prologue.
5601 2001-01-29 lars brinkhoff <lars@nocrew.org>
5603 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5605 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5606 Jeff Law <law@redhat.com>
5608 * pa.md (return): Revise comment for trivial return.
5609 (return_internal): Non-trivial return pattern for non-PIC code.
5610 (return_internal_pic): Non-trivial return pattern for PIC code.
5611 It uses the PIC register to ensure it is restored after
5613 (epilogue): Generate appropriate return for PIC and non-PIC code.
5615 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5617 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5619 2001-01-29 DJ Delorie <dj@redhat.com>
5621 * combine.c (if_then_else_cond): Pass the correct mode to
5622 operand_subword() for constants.
5624 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5626 * config/i386/cygwin.h: Add w32api to include search. Search different
5627 directories in a cross-build environment.
5629 2001-11-29 Tim Josling <tej@melbpc.org.au>
5631 * tree.h (TYPE_STUB_DECL): Add documentation.
5633 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5635 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5636 (sdbout_field_types): Likwise. Fix use of host_integerp.
5638 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5640 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5643 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5645 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5646 to use flag_gnu_linker.
5648 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5650 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5651 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5653 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5655 * tree.c, tree.h (build_parse_node): Remove; was identical to
5657 * c-lang.c (start_cdtor), objc/objc-act.c
5658 (build_module_descriptor): Use build_nt instead of
5661 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5663 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5664 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5665 not have any upper bits set.
5667 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5669 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5671 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5673 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5675 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5677 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5678 (integer_minus_one_node): Define.
5680 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5682 * Makefile.in (bootstrap2-lean): Fix typo.
5684 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5686 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5687 : Don't set fe_value.
5688 * cpplib.h (AVOID_LPASTE): New flag.
5689 (struct cpp_hashnode): Remove fe_value.
5690 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5691 * cppmacro.c (builtin_macro): Don't set flags here.
5692 (replace_args): Set AVOID_LPASTE flag on first token of an
5693 argument, and the token following it.
5694 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5695 macro expansion, and on the token following it. Do it for
5697 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5699 2001-01-27 Richard Henderson <rth@redhat.com>
5701 * config/alpha/t-ieee: Remove multilibbing.
5702 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5704 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5706 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5708 * Makefile.in: Remove all dependencies on defaults.h.
5709 * builtins.c: Don't include defaults.h.
5710 * c-common.c: Likewise.
5711 * c-decl.c: Likewise.
5712 * c-pragma.c: Likewise.
5713 * c-typeck.c: Likewise.
5714 * combine.c: Likewise.
5716 * frame-ia64.c: Likewise.
5717 * cppexp.c: Likewise.
5718 * crtstuff.c: Likewise.
5719 * dbxout.c: Likewise.
5720 * dwarf2out.c: Likewise.
5721 * dwarfout.c: Likewise.
5722 * emit-rtl.c: Likewise.
5723 * except.c: Likewise.
5725 * final.c: Likewise.
5726 * frame-dwarf2.c: Likewise.
5727 * libgcc2.c: Likewise.
5728 * optabs.c: Likewise.
5729 * profile.c: Likewise.
5730 * sdbout.c: Likewise.
5731 * toplev.c: Likewise.
5732 * tradcif.y: Likewise.
5734 * varasm.c: Likewise.
5736 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5738 * builtins.c (expand_builtin_fputs): Use size_one_node when
5739 transforming into fwrite.
5741 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5743 * extend.texi (Attribute Syntax): New section.
5745 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5747 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5748 they didn't need fixing.
5750 2001-01-27 Janis Johnson <janis@us.ibm.com>
5752 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5754 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5755 to remove macro definitions that are duplicated from elfos.h.
5757 2001-01-27 Richard Henderson <rth@redhat.com>
5759 * config/i386/sco5gas.h: Move ...
5760 * config/usegas.h: ... here.
5761 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5763 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5765 * c-typeck.c (struct constructor_stack): Add range_stack member.
5766 (really_start_incremental_init): Clear it.
5767 (push_init_level): Save constructor_range_stack and clear it if
5768 pushing explicit braces.
5769 (pop_init_level): abort if constructor_range_stack is non-zero at
5770 explicit closing brace. Restore saved constructor_range_stack if
5773 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5775 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5776 into register was forced into memory.
5778 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5780 * Makefile.in: Remove uses of + before $(MAKE).
5782 2001-01-26 Richard Henderson <rth@redhat.com>
5784 * stmt.c (cost_table): Remove.
5785 (COST_TABLE, cost_table_initialized): New.
5786 (estimate_case_costs): Use the later instead of the former.
5787 (balance_case_nodes): Likewise.
5789 2001-01-26 Richard Henderson <rth@redhat.com>
5791 * alias.c (objects_must_conflict_p): Read-only slots may not
5792 conflict despite having the same type.
5794 2001-01-27 Michael Hayes <mhayes@redhat.com>
5796 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5798 (check_ext_dependant_givs): Initialise u_start_val and
5800 (load_mems): Make last_max_reg unsigned.
5801 (try_swap_copy_prop): Use INSN_P and initialise set.
5803 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5805 * README.AVR : Removed.
5807 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5809 * pa-64.h (text_section): Remove declaration.
5811 * pa.md (return_internal): Remove mode on PIC register use.
5813 2001-01-25 lars brinkhoff <lars@nocrew.org>
5815 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5816 ASM_CLOSE_PAREN): fix typos.
5818 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5820 * acconfig.h: Define `const' to the empty string if neither
5821 __STDC__ nor __cplusplus is defined.
5822 * config.in: Regenerated.
5824 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5826 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5827 * collect2.c (main): Delete importf. Add ".obj" file extension.
5828 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5829 (aix_std_libs): Add additional AIX libraries to skip.
5830 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5831 * config/rs6000/aix51.h: New file.
5833 2001-01-25 Michael Hayes <mhayes@redhat.com>
5835 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5836 (loop_insn_emit_before): No longer static.
5837 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5838 (loop_givs_rescan, load_mems): Likewise.
5839 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5840 (maybe_eliminate_biv_1):
5841 (move_movables): Replace emit_call_insn_before with
5842 loop_call_insn_hoist.
5843 * loop.h (loop_insn_emit_before): Add.
5844 * unroll.c (copy_loop_body): Replace emit_insn_before with
5845 loop_insn_emit_before.
5847 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5849 * diagnostic.c (fatal): Request preprocessed source.
5851 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5853 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5854 olddecl has argument types and newdecl has none, use the argument
5857 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5859 * dwarf2out.c (prefix_of): New function. Determine longest common
5860 prefix of the two arguments. The units are whole path components.
5861 (output_file_names): When adding a new directory find the one entry
5862 with the longest common prefix already in the list. Artificially
5863 generate entry if there is none for this prefix.
5864 Fix test to check whether the zeroth directory entry is used.
5866 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5868 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5869 Changed all callers. Take it into account when deciding if a
5870 previously loaded value matches.
5872 2001-01-24 Richard Henderson <rth@redhat.com>
5874 * reload.c (find_reloads_subreg_address): Fail the substitution
5875 if the resulting address is insufficiently aligned.
5877 2001-01-24 DJ Delorie <dj@redhat.com>
5879 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5880 check the original operand's mode also.
5881 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5883 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5885 * c-parse.in (cast_expr): Move compound literals from here ...
5886 (primary): ... to here. Use standard terminology "compound
5887 literal" instead of "constructor expression".
5889 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5891 * gcc.1, cpp.1: Regenerate.
5893 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5895 * calls.c (emit_library_call_value_1): Memory slot for
5896 pass-by-reference argument should have the mode of the argument,
5897 not of the pointer to it.
5899 2001-01-24 Tom Tromey <tromey@redhat.com>
5901 * gcc.texi (G++ and GCC): Mention gcj manual.
5902 (Standards): Link to section of manual mentioning gcj/Java
5905 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5907 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5908 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5909 * tradcpp.c (main): Add -imacros or -include'd dependencies
5911 * cpp.texi (-M, -MM): Document -M -include behaviour.
5913 2001-01-24 Roger Collins <roger@ProProject.com>
5915 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5917 2001-01-24 Will Cohen <wcohen@redhat.com>
5919 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5920 whether registers are 32 bits or 64 bits in size.
5922 2001-01-24 Ben Elliston <bje@redhat.com>
5924 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5926 2001-01-24 Richard Henderson <rth@redhat.com>
5928 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5929 (builtin_longjmp): Use it instead of emit_indirect_jump.
5931 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5933 * bb-reorder.c (make_reorder_chain_1): Handle case where
5934 jump edge goes to the same block as the fallthru edge.
5936 2001-01-23 Jim Wilson <wilson@redhat.com>
5938 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5939 * frame.h (__ia64_personality_v1): Add prototype.
5940 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5941 prototype form. Add void * cast to first argument to personality
5943 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5944 (asctoe113): Likewise.
5945 * config/ia64/frame-ia64.c: Include eh-common.h.
5946 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5948 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5950 (itanium_split_issue): Add prototype.
5951 (gen_nop_type): Ifdef out.
5952 (find_best_packet): Initialize best_packet.
5953 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5955 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5956 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5957 (flushrs): Add explicit stop bit at end.
5958 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5961 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5963 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5965 * libgcc2.c (__terminate_func): Make variable static.
5966 (__terminate_set_func): New function to set __terminate_func.
5967 * libgcc2.h (__terminate_func_ptr): New typedef.
5968 (__terminate_set_func): New function.
5970 2001-01-23 Richard Henderson <rth@redhat.com>
5972 * flow.c (init_propagate_block_info): Don't consider unchanging
5973 memories for dead frame store elimination.
5975 2001-01-23 Richard Henderson <rth@redhat.com>
5977 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5978 * defaults.h: ... here.
5980 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5982 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5984 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5986 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5988 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5990 * rs6000.h (rs6000_return_addr): Move prototype from here...
5991 * rs6000-protos.h (rs6000_return_addr): ...to here.
5992 (rs6000_init_expanders): Delete prototype.
5994 2001-01-23 Nick Clifton <nickc@redhat.com>
5996 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5997 (Spec Files): Document %B and %j and %. and %v3 and %M and
5998 %{S*&T} spec switches.
6000 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6002 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6004 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6005 Neil Booth <neil@daikokuya.demon.co.uk>
6007 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6008 Have -Werror make pedantic warnings errors, like the
6011 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6013 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6015 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6017 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6018 * integrate.c (expand_inline_function): Initialize them.
6019 (subst_constants): If changing COMPARE so that both its arguments
6020 will be VOIDmode and the comparison mode will be lost, note
6021 compare_mode. Use the recorded compare_mode to optimize
6024 2001-01-23 Jason Merrill <jason@redhat.com>
6026 * dwarf2out.c (new_die): Use xcalloc.
6027 (output_die): Abort rather than emit a local reference to offset 0.
6029 2001-01-17 Andrew Haley <aph@redhat.com>
6031 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6032 of a saved register; return NULL instead.
6033 (copy_reg): Take a pointer to a source register rather than a
6035 (next_stack_level): Remember the address in the stack frame of all
6037 Use the saved register pointer array as the source of the CFA.
6038 (throw_helper): Rewrite. Unwind once rather than twice and keep
6039 track of saved registers as we go.
6041 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6043 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6044 * c4x.c (c4x_legitimize_reload_address): Remove.
6045 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6046 reload address for ldp(k) insn.
6048 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6050 * pa.md (return_internal): Add a USE of the PIC register to ensure
6051 it is restored after each call.
6052 (return expander): Corresponding changes.
6054 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6056 * rs6000.h (INIT_EXPANDERS): Delete.
6057 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6058 * rs6000.c (rs6000_override_options): Call *_machine_status from
6060 (rs6000_init_expanders): ...instead of here. Delete.
6061 (rs6000_mark_machine_status): New function.
6062 (rs6000_init_machine_status): Use xcalloc.
6063 (rs6000_return_addr): Generate RTX for the return address.
6064 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6065 (rs6000_stack_info): Use it.
6067 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6069 * gthr-win32.h: Include errno.h to get a declaration for
6070 EINVAL and _mingw.h if the target is mingw32.
6072 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6074 * cpp.texi: Correct typos.
6076 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6078 * explow.c (probe_stack_range): Ensure value passed to
6079 stack_check_libfunc is ptr_mode, not Pmode.
6081 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6083 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6084 case, don't use operand_subword to calculate a SUBREG that is
6087 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6089 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6091 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6092 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6093 valid. If not replace it by equivalent insns.
6095 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6097 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6098 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6099 (c4x_U_constraint, symbolic_address_operand): Likewise.
6100 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6102 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6103 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6104 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6105 anulling slot because of silicon bug.
6106 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6108 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6110 * cppexp.c (parse_charconst): Change `mask' type to agree
6113 2001-01-21 Richard Henderson <rth@redhat.com>
6115 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6116 pic_label_name in a linkonce section.
6118 2001-01-17 Philipp Thomas <pthomas@suse.de>
6120 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6122 * configure: Regenerate.
6124 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6126 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6127 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6129 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6131 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6132 If REVERSE nonzero then condition code in X must be reversed.
6133 (encode_section_info): Optimise if/else.
6134 (avr_function_value): Fix formatting.
6136 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6137 (difficult_branch): Likewise.
6138 (rvbranch): Likewise.
6139 (difficult_rvbranch): Likewise.
6141 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6143 * config/avr/libgcc.S: Fix comment.
6145 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6147 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6149 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6151 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6153 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6155 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6156 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6157 * configure, config.in: Regenerate.
6158 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6159 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6160 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6161 (doprint.o): New rule.
6163 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6165 * c-typeck.c (digest_init): Handle boolean types as scalars.
6167 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6169 * stmt.c (expand_return): Don't return anything if size is zero.
6170 Delete redundant assignment to BYTES.
6171 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6173 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6175 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6176 the same as the default library function names.
6177 * config/avr/avr.md: Document special characters after '%'.
6178 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6179 knowing which of the call-used registers are really clobbered.
6180 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6181 New. Both quotient and remainder from one libgcc.S call.
6182 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6183 clobber as few registers as possible.
6184 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6186 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6188 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6189 context of the top of the stack.
6191 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6193 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6194 (fixup_var_refs_insns): ...here.
6196 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6198 * function.c (fixup_var_refs_insns): Break up into
6199 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6200 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6201 [loop over hash table entries].
6202 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6203 fixup_var_refs_insns_with_hash, to match above changes.
6205 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6207 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6208 (libgcc.a): Likewise.
6209 (stmp-multilib): Likewise.
6210 (STAGE2_FLAGS_TO_PASS): Likewise.
6212 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6214 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6215 temporary if no_new_pseudos.
6217 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6219 * cppinternals.texi: Update.
6221 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6223 * arm.c (arm_init_builtins): Re-enable builtins.
6225 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6227 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6228 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6229 element to be null, and always expect an EXPR_LIST.
6230 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6231 * sched-deps.c (sched_analyze_1): Likewise.
6232 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6234 * regclass.c (max_set_parallel): New variable.
6235 (reg_scan): Take it into account in computation of max_parallel.
6236 (reg_scan_mark_refs, case SET): Compute it.
6238 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6240 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6241 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6243 2001-01-19 Jason Merrill <jason@redhat.com>
6245 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6246 for the abstract instance of an inline function.
6248 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6249 J"orn Rennecke <amylaar@redhat.com>
6251 * reload1.c (move2add_note_store): Treat all registers directly or
6252 indirectly derived from a base register as members of the same set
6254 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6255 of base register into account.
6257 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6259 * alias.c (find_base_value): Recognize TRUNCATE.
6260 (record_set): In PLUS case, invalidate if other summand is also a
6263 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6265 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6266 entry to be EXPR_LIST.
6267 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6268 be an EXPR_LIST (but not null, which other code doesn't allow).
6269 (note_stores): Properly handle PARALLEL in SET.
6270 Recursively call for top-level PARALLEL.
6271 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6272 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6274 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6276 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6278 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6279 not pfile->skipping (== 0).
6281 2001-01-17 Nick Clifton <nickc@redhat.com>
6283 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6286 2001-01-17 Jim Wilson <wilson@redhat.com>
6288 * invoke.texi (IA-64 options): Improve.
6290 2001-01-17 Tom Tromey <tromey@redhat.com>
6292 * invoke.texi (Optimize Options): Use `{}' to around @samp
6295 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6297 * invoke.texi (-fno-guess-branch-probability): New option.
6299 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6301 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6302 case of making new double-word constant.
6303 Revert last change: instead just test i3_subst_into_i2.
6305 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6307 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6308 Use q constraints instead of r.
6310 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6312 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6313 (machine_function): Define.
6314 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6315 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6316 pa_free_machine_status): New functions.
6317 (override_options): Set {init,mark,free}_machine_status to above.
6318 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6319 PIC_OFFSET_TABLE_REGNUM_SAVED.
6320 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6321 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6322 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6323 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6324 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6326 2001-01-15 DJ Delorie <dj@redhat.com>
6328 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6332 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6334 * flow.c (propagate_on_insn): Make trying to delete a prologue
6335 or epilogue insn an ICE, not a warning. Allow doing this if
6336 the current function returns with stack pointer depressed.
6338 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6339 I3 having more than one SET.
6341 2001-01-16 Jim Wilson <wilson@redhat.com>
6343 * invoke.texi: Document IA-64 options.
6345 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6346 (fixup_errata): Delete TARGET_A_STEP use.
6347 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6348 (TARGET_SWITCHES): Delete -ma-step option.
6349 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6350 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6351 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6352 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6353 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6354 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6356 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6357 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6358 cmovsi_internal): Delete ! TARGET_A_STEP check.
6360 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6362 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6363 possibility to report bugs via postal mail. Change a URL and
6364 merge in a nearly duplicate statement...
6365 (Bug Reporting): ...from here.
6366 (Service): Refer to the Bug Reporting section instead of
6368 (Contributing): Remove trivial explanations concerning snapshots.
6370 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6372 * cppmain.c (general_init): Don't use ANSI prototype.
6374 2001-01-16 Tom Tromey <tromey@redhat.com>
6376 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6378 2001-01-16 Richard Henderson <rth@redhat.com>
6380 * config/i386/i386.h: Fix comment typo.
6381 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6382 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6384 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6386 * gcc.c: Revert previous -fsyntax-only-related change; move
6389 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6391 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6392 inmode after checking GET_CODE (op).
6394 2001-01-16 Richard Henderson <rth@redhat.com>
6396 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6397 (MAX_MEM_SET_LIST_LEN): New.
6398 (propagate_one_insn): Update mem_set_list_len.
6399 (invalidate_mems_from_autoinc): Likewise.
6400 (invalidate_mems_from_set): Likewise.
6401 (mark_used_regs): Likewise.
6402 (init_propagate_block_info): Likewise. Stop collecting memories
6403 when we reach MAX_MEM_SET_LIST_LEN.
6404 (mark_set_1): Likewise.
6406 2001-01-16 Richard Henderson <rth@redhat.com>
6408 * unroll.c (precondition_loop_p): Fail if no iteration
6411 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6413 * gcc.c: When -fsyntax-only is given, do not complain about
6416 2001-01-15 Richard Henderson <rth@redhat.com>
6418 * config/i386/i386.c (asm_output_function_prefix): Remove.
6419 (ix86_asm_file_end): New.
6420 (load_pic_register): Generate pic_label_name into a
6421 staticly allocated buffer.
6422 * config/i386/i386-protos.h: Update.
6423 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6424 (ASM_FILE_END): New.
6425 * config/i386/i386afe.h: New file.
6426 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6427 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6428 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6429 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6430 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6431 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6432 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6434 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6436 * Makefile.in (install-man): Remove explicit dependency on
6439 * configure.in, configure: Revert previous patch requiring perl
6442 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6444 * toplev.c (flag_guess_branch_prob): New.
6445 (f_options): Add guess-branch-probability option.
6446 (rest_of_decl_compilation): Only estimate branch probability if
6448 (main): set flag_guess_branch_prob.
6450 * flags.h (flag_guess_branch_prob): New.
6452 2001-01-15 DJ Delorie <dj@redhat.com>
6454 * gcc.texi (Makefile): Add documentation for Makefile targets.
6456 2001-01-15 Philip Blundell <philb@gnu.org>
6458 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6460 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6461 (is_pic): Delete declaration.
6462 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6463 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6464 * config/arm/arm.md (builtin_setjmp_receiver): New.
6466 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6468 * arm.c (use_return_insn): Don't try to determine the function type
6469 until after reload has completed.
6470 (arm_output_epilogue): Don't adjust the sp value recovered from the
6472 (emit_multi_reg_push): Don't record dwarf information for the pc.
6473 * arm.md (eh_epilogue): The function type may have changed, so it
6474 needs to be recalculated.
6475 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6476 unwind tables on arm/netbsd.
6478 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6480 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6481 (negated_cbranchsi4): Likewise.
6483 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6485 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6486 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6487 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6488 pass -mapcs-* options to assembler.
6489 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6490 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6491 (ASM_SPEC): Call subtarget_extra_asm_spec.
6493 2001-01-15 Andreas Jaeger <aj@suse.de>
6495 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6497 (ix86_expand_builtin): Likewise.
6499 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6500 warning about comparison between signed and unsigned.
6502 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6504 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6506 2001-01-14 Ralf Baechle <ralf@gnu.org>
6508 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6509 SUBTARGET_CPP_SPEC apropriatly.
6511 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6513 * varasm.c (make_decl_rtl): Fix typo in last change.
6515 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6517 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6518 linker supports the init_priority C++ attribute.
6519 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6520 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6521 linker does not support init_priority C++ attribute.
6523 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6525 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6527 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6529 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6530 * cp/lex.c (finish_parse): Similarly.
6531 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6532 Return the number of errors encountered.
6533 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6534 * cppmain.c (main): Don't call cpp_destroy.
6536 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6538 * configure.in: Require at least perl 5.6.0 to regenerate
6540 * configure: Regenerate.
6542 2001-01-14 Richard Henderson <rth@redhat.com>
6544 * genrecog.c (DT_veclen_ge): New.
6545 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6546 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6547 (nodes_identical_1): Handle DT_veclen_ge.
6548 (write_cond, debug_decision_2): Likewise.
6550 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6552 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6554 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6556 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6558 * cppmain.c (do_preprocessing): New function; most of the old
6560 (main): Call it to do most of the work.
6561 (cb): Move from global scope to set_callbacks ().
6562 (setup_callbacks): Get the callback pointer.
6563 (general_init, printer_init): Clean up code and comments.
6565 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6567 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6570 2001-01-14 Kazu Hirata <kazu@hxi.com>
6572 * config/h8300/h8300.c (get_shift_alg): Update comments.
6574 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6576 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6577 (alloc_page, ggc_alloc): Add casts to remove warnings.
6579 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6581 * combine.c (simplify_comparison): Don't change `code' when
6582 can't reverse comparison.
6584 2001-01-14 Richard Henderson <rth@redhat.com>
6586 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6587 update all call sites. Return true for all non-label constants.
6589 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6591 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6593 (ix86_expand_branch): Update.
6594 (ix86_expand_setcc): Update to handle multiple test conditions.
6595 (expand_int_movcc): Likewise.
6596 (expand_fp_movcc): Likewise.
6597 * i386-protos.h (ix86_expand_compare): New.
6598 * i386.md (andqi_?_slp, orqi_?_slp): New.
6599 (conditional trap expander): Update call to ix86_expand_compare.
6601 2001-01-14 Richard Henderson <rth@redhat.com>
6603 * config/vax/vax.md: Use nonimmediate_operand instead of
6604 general_operand in destinations.
6606 * config/vax/vax.md (indirect_jump): Use register_operand.
6608 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6609 * config/vax/vax.md (call_pop): Turn into an expander.
6610 (call_value_pop): Likewise.
6611 (call, call_value): New.
6613 2001-01-14 Andreas Jaeger <aj@suse.de>
6615 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6617 (ix86_fp_compare_mode): Add unused attribute.
6618 (ix86_expand_fp_movcc): Remove unused variable.
6619 (ix86_expand_builtin): Make fcode unsigned.
6621 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6622 (expand_expr): Add cast to avoid signed warning.
6623 (store_field): Likewise.
6624 (store_constructor_field): Likewise.
6625 (store_constructor): Likewise.
6626 (store_expr): Likewise.
6627 (clear_storage): Likewise.
6628 (emit_group_store): Likewise.
6629 (emit_group_load): Likewise.
6631 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6633 * c-common.c: Move format checking code to ...
6634 * c-format.c: ... here. New file. Reorder some functions and
6636 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6638 * c-common.h (decl_handle_format_attribute,
6639 decl_handle_format_arg_attribute): Declare.
6640 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6641 (c-common.o): Adjust dependencies.
6642 (c-format.o): New list of dependencies.
6644 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6646 * unroll.c (loop_iterations): If we cannot prove iteration variable
6647 is set once in each iteration, punt.
6649 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6651 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6652 (*strlenhi): Remove clobber (which was buggy) of output address.
6654 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6656 * Makefile.in (generated-manpages): Add gcc.1
6657 ($(srcdir)/gcc.1): New target.
6658 (maintainer-clean): Delete $(srcdir)/gcc.1.
6659 * gcc.texi: Add macros @gccoptlist and @gol.
6660 * invoke.texi: Include option summary in manpage. Mark up option
6661 summary with @gccoptlist and @gol. Use @r in one place where
6663 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6664 * gcc.1: Generate from invoke.texi.
6666 2001-01-13 Richard Henderson <rth@redhat.com>
6668 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6669 (struct page_entry): Add group member.
6670 (struct page_group): New.
6671 (struct globals): Add page_groups member.
6672 (alloc_anon): Only define for using mmap; remove valloc call.
6673 (page_group_index): New.
6674 (set_page_group_in_use): New.
6675 (clear_page_group_in_use): New.
6676 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6677 (free_page, release_pages): Likewise.
6678 * configure.in (with-gc): Default to ggc-page always.
6680 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6682 * reload1.c (replace_pseudos_in_call_usage): Use
6683 reg_equiv_constant and reg_equiv_address, and don't try
6684 regno_reg_rtx first.
6686 2001-01-13 Richard Henderson <rth@redhat.com>
6688 * ggc-page.c (alloc_page): Round up allocation size to one page.
6689 Set e->order on extra pages.
6691 2001-01-13 Richard Henderson <rth@redhat.com>
6693 * genrecog.c (nodes_identical): Expand commentary.
6694 (write_switch): Watch out for identical nodes.
6696 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6698 * cppfiles.c (_cpp_fake_include): New function.
6699 * cpphash.h (_cpp_fake_include): New.
6700 * cpplib.c (do_line): Call _cpp_fake_include when entering
6701 header files in preprocessed input.
6702 * cppmain.c (cb_pragma_implementation): Remove handling.
6703 (setup_callbacks): Don't register pragmas.
6705 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6707 * extend.texi: Udate for CPP.
6709 2001-01-13 Andreas Jaeger <aj@suse.de>
6711 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6713 * regmove.c: Add prototype for replace_in_call_usage.
6715 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6717 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6718 struct cpp_chunk, struct htab, struct toklist,
6719 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6720 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6721 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6722 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6723 (struct macro_args): Delete.
6724 * cpphash.h: See above.
6726 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6728 * cppmain.c (struct printer): Remove no_line_dirs.
6730 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6731 : Use options rather than CPP_OPTION.
6732 (setup_callbacks): Use cb rather than pfile->cb.
6733 (main): No need to check for a buffer. Use cpp_errors.
6734 (printer_init): Don't set no_line_dirs.
6735 (maybe_print_line): Use options not no_line_dirs.
6736 (cb_file_change): Don't call print_line if -P.
6738 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6740 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6742 * c-parse.in (finish_parse): Use cpp_errors.
6743 (__yylex): Use return value of cpp_pop_buffer.
6744 * cp/lex.c (finish_parse): Use cpp_errors.
6745 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6747 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6749 * README.AVR: URLs corrected.
6751 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6753 * c-decl.c (start_function): Don't warn if old prototype is builtin
6754 that's not in C's namespace.
6755 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6756 (_bb): Add prototype for ctime.
6757 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6759 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6761 * i386.c (ix86_fp_comparison_arithmetics_cost,
6762 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6763 ix86_fp_comparison_cost): New functions.
6764 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6765 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6766 two-branch sequences; make static.
6767 (ix86_use_fcomi_compare): Do decision according to the costs.
6768 (split_fp_branch): New.
6769 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6770 * i386-protos.h (ix86_expand_fp_compare): Remove
6771 (ix86_split_fp_branch): Declare.
6773 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6774 and ix86_comparison_operator.
6776 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6779 * i386.c (put_condition_code): Output properly the unordered/ordered
6780 compares in fp case.
6781 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6783 * tm.texi (REVERSE_CONDITION): Document.
6784 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6785 in -ffast-math mode.
6786 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6788 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6790 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6792 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6795 * config/sh/sh.c (mova_p): Fix test for mova_const.
6797 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6799 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6800 cpp_get_options rather than dereferencing pfile and using
6802 * scan-decls.c (scan_decls): Use return value of
6803 cpp_pop_buffer rather than CPP_BUFFER.
6805 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6807 * cppinit.c (cpp_handle_option): help_only is now part of the
6808 cpp_options structure.
6809 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6810 cpp_set_callbacks): New functions.
6811 * cpplib.h (cpp_callbacks): Break out as a named structure.
6812 (cpp_options): Move help_only here from cpp_reader.
6813 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6814 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6815 cpp_set_callbacks): New prototypes.
6816 * cppmain.c (main): Update for help_only.
6818 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6820 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6821 Also build and remove and install and uninstall c-tree.info and
6823 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6824 ($(srcdir)/cppinternals.info): New target.
6825 * c-tree.texi: Change file name used when makeinfo used without -o
6826 from ir.info to c-tree.info. Add info directory entry.
6827 * cppinternals.texi: Add info directory entry.
6828 * .cvsignore: Update.
6830 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6832 * c-typeck.c (store_init_value): Don't require constant initializer
6833 elements with -pedantic -std=c99.
6834 (digest_init): Change error about non-constant initializer elements
6836 (constructor_range_end): Remove.
6837 (constructor_incremental, designator_depth,
6838 designator_errorneous): New variables.
6839 (struct constructor_stack): Remove range_end, add incremental.
6840 (struct constructor_range_stack, constructor_range_stack): New.
6841 (struct initializer_stack): Add constructor_range_stack.
6842 (finish_init): Set it.
6843 (start_init): Likewise. require_constant_elements for non-static
6844 trees only if not flag_isoc99.
6845 (really_start_incremental_init): Remove constructor_range_end, add
6846 constructor_incremental.
6847 (pop_init_level): Likewise.
6848 (push_init_level): Likewise. If implicit and the subobject had some
6849 value set already, preinitialize the level with it.
6850 Warn about missing braces only if not pushing due to designators.
6851 (set_designator, push_range_stack): New functions.
6852 (set_init_label): Use them.
6853 (set_init_index): Likewise. Remove constructor_range_end.
6854 Error if designator index is outside of array bounds.
6855 (add_pending_init): Compare values of purpose index trees, not the
6856 trees themselves. Allow overwriting of already initialized element.
6857 Issue a warning if it had side-effects.
6858 (set_nonincremental_init, set_nonincremental_init_from_string): New
6860 (pending_init_member): Rename to...
6861 (find_init_member): ...this function. Call set_nonincremental_init
6862 if necessary. Compare values of purpose index trees, not the trees
6863 themselves. Return the actual value, not just non-zero if something
6865 (output_init_element): Remove checks for duplicates.
6866 If field has zero size, only check the initializer for correctness.
6867 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6868 if constructor_incremental is zero. Change error about initializers
6869 not computable at load time into pedwarn.
6870 (output_pending_init_elements): Compare bit positions, not
6871 FIELD_DECLs to take into account zero-sized fields.
6872 (process_init_element): Use constructor_range_stack to fill all
6873 ranges in the designator lists from current level up.
6874 * extend.texi: Update documentation for labeled elements.
6876 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6878 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6879 to function usage for arguments passed by reference. Optimize
6880 callee-copied arguments.
6881 * regmove.c (replace_in_call_usage): New function.
6882 (fixup_match_1): Call it.
6883 * cse.c (cse_insn): Canonicalize registers in function usage.
6884 * reload1.c (replace_pseudos_in_call_usage): New function.
6887 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6890 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6892 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6895 2001-01-12 DJ Delorie <dj@redhat.com>
6897 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6898 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6901 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6903 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6904 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6905 -std options alongside references to -ansi. Update some
6906 documentation for C99.
6907 * cpp.1: Regenerate.
6909 2001-01-12 Andreas Jaeger <aj@suse.de>
6911 * haifa-sched.c (restore_line_notes): Remove argument block B
6913 * sched-ebb.c (schedule_ebb): Change caller.
6914 * sched-rgn.c (schedule_region): Likewise.
6915 * sched-int.h (restore_line_notes): Adjust prototype.
6917 * loop.h: Remove wrong declaration of doloop_condition_get.
6919 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6921 * extend.texi: Move C++-extension-related node from the C section
6922 into the C++ section.
6924 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6926 * extend.texi: Refer to an array of pointers to functions instead
6927 of one of functions.
6929 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6930 Jan Hubicka <jh@suse.cz>
6932 * combine.c (reversed_comparison): Fix typo in last patch.
6934 (combine_reversed_comparison_code): Make static to follow
6935 prototype declaration.
6937 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6939 * install.texi: Remove misplaced duplicate entry.
6941 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6943 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6945 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6947 * final.c: (leaf_function_p): Fix typo.
6949 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6951 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6952 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6954 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6955 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6956 mmap_anon, and valloc is available.
6957 * ggc-page.c: Restructure ifdef logic to match new autoconf
6958 spec. Don't throw away the test page in init_ggc.
6960 * configure, config.in: Regenerate.
6962 2001-01-12 Michael Hayes <mhayes@redhat.com>
6964 * loop.h (total_biv_increment): Constify iv_class pointer.
6965 (struct induction): Replace `mem_mode' with `mem' rtx.
6966 * unroll.c (total_biv_increment): Constify iv_class pointer.
6967 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6968 (find_mem_givs, combine_givs_p): Likewise.
6969 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6971 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6973 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6975 (__gthread_getspecific): Ditto.
6977 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6979 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6980 put_condition_code): Convert fp comparison codes to integer
6982 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6985 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6986 * i386-protos.h (no_comparison_operator): Kill.
6988 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6990 * combine.c (REVERSIBLE_CC_MODE): Remove.
6991 (reversible_comparison_p): Remove.
6992 (combine_reversed_comparison_code): New.
6993 (reversed_comparison): New.
6994 (combine_simplify_rtx): Use
6995 combine_reversed_comparison_code/reversed_comparison instead
6996 of reversible_comparison_p.
6997 (simplify_if_then_else): Likewise.
6998 (simplify_set): Likewise.
6999 (simplify_logical): Likewise.
7000 (if_then_else_cond): Likewise.
7001 (known_cond): Likewise.
7002 (simplify_comparison): Likewise.
7004 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7006 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7007 sizeof (int) is larger than sizeof(__word__).
7009 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7011 * cppinit.c (do_includes): Fix typo.
7013 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7015 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7016 in S_REGS does not occur because not all sources are possible
7017 when a S_REGS is a destination (sometimes needs a clobber).
7018 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7019 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7020 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7021 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7022 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7023 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7024 (lshrdi_const1, lshrsi3_const16): Likewise.
7025 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7026 (*movhi_68hc12, *movqi_68hc12): Likewise.
7027 (movstrictqi): Make sure reloading in D_REGS as a destination
7030 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7032 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7034 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7036 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7037 -D, -U and -A, and don't initialize the builtins.
7038 (do_includes): Error if -include or -imacros with -fpreprocessed.
7039 * cppmain.c (cb_define, cb_undef): Unconditionally process
7041 * tradcpp.c (main): Fix typo.
7043 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7045 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7046 (read_name_map): Use IS_ABSOLUTE_PATH.
7047 * tradcpp.c (get_filename): Likewise.
7049 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7051 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7052 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7053 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7054 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7055 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7056 (cmphi_z_used): Don't use '@' for the output.
7057 (tstqi_z_used): Likewise.
7058 (cmpqi_z_used): Likewise.
7059 (one_cmplsi2): Likewise.
7061 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7063 * config/sh/sh.c (barrier_align): Recognize branch around far
7064 branch and redundant insn.
7066 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7068 * invoke.texi: Restore documentation of the drivers' switches -MD
7071 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7073 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7075 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7076 check-objc//%): Support parallel testing of multilibs.
7077 (TESTSUITEDIR): Set to testsuite by default, but override for
7079 (check-gcc, check-g++, check-g77, check-objc): Enter
7082 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7084 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7085 * sched-deps.c (deps_may_trap_p): Likewise.
7086 * basic-block.h: Remove a comment.
7087 * flow.c (PROP_POSTRELOAD): Remove.
7088 (update_life_info): Don't add it to prop_flags.
7089 (mark_set_1): Lose the code that was enabled by it.
7091 2001-01-11 Michael Hayes <mhayes@redhat.com>
7093 * flow.c (flow_call_edges_add): New.
7094 * basic_block.h (flow_call_edges_add): New.
7096 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7098 * reload1.c (move2add_note_store): Update reg_set_luid even if
7099 base reg remains the same.
7101 2001-01-10 Nick Clifton <nickc@redhat.com>
7103 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7104 machine_function structure to zero.
7105 Add prototypes for machine_status functions.
7107 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7109 * c-common.h (CTI_VOID_LIST): Remove.
7110 (void_list_node): Likewise.
7111 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7112 (void_list_node): New macro.
7113 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7114 * config/i386/i386.c (ix86_init_builtins): Likewise.
7115 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7117 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7119 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7120 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7122 * tradcpp.c: Include mkdeps.h.
7123 (deps, print_deps_phony_targets, deps_append, output_deps,
7124 init_dependency_output, output_deps): New.
7125 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7126 deps_output): Delete.
7127 (print_deps_missing_files): Rename deps_missing_files.
7128 (inhibit_output): Make global.
7129 (main): Delete inhibit_output, deps_stream, deps_target.
7130 Use mkdeps functionality in the same way as cpplib. Remove
7131 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7132 -M and -MM. Remove old handling of deps via deps_out, and
7133 old reading of environment variables.
7134 (get_filename): Update to use deps_add_dep.
7136 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7138 * output.h (make_function_rtl): Remove prototype.
7139 (make_decl_rtl): Likewise.
7140 * varasm.c (make_function_rtl): Remove.
7141 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7142 than from a third parameter.
7143 * tree.h (make_decl_rtl): Remove last parameter.
7144 * c-decl.c (builtin_function): Remove last argument in call to
7145 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7146 (start_function): Likewise.
7147 * except.c (call_get_eh_context): Likewise.
7148 * expr.c (emit_block_move): Likewise.
7149 (clear_storage): Likewise.
7150 * profile.c (output_func_start_profiler): Likewise.
7151 * toplev.c (rest_of_decl_compilation): Likewise.
7152 * objc/objc-act.c (create_builtin_decl): Likewise.
7153 (synth_module_prologue): Likewise.
7154 (generate_static_reference): Likewise.
7155 (build_selector_reference_decl): Likewise.
7156 (build_class_reference_decl): Likewise.
7157 (build_objc_string_decl): Likewise.
7158 (build_protocol_reference): Likewise.
7160 2001-01-10 Richard Henderson <rth@redhat.com>
7162 * hwint.h: Revert yesterday's change.
7164 2001-01-10 Nick Clifton <nickc@redhat.com>
7166 * function.h (save_machine_status): Delete.
7167 (restore_machine_status): Delete.
7168 Amend comment describing {init|mark|free}_machine_status.
7170 * function.c (save_machine_status): Delete.
7171 (restore_machine_status): Delete.
7172 Amend comment describing {init|mark|free}_machine_status.
7173 (push_function_context_to): Remove invocation of
7174 save_machine_status.
7175 (pop_function_context_from): Remove invocation of
7176 restore_machine_status.
7178 * emit-rtl.c (init_emit_once): Amend comment describing
7179 {init|mark|free}_machine_status.
7181 * tm.texi (Per-Function Data): New node. Describe the
7182 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7185 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7187 * cppinit.c (OPT_g): Remove.
7188 (cpp_handle_option): Update for removed -g3.
7189 (print_help): Update.
7190 * cpplib.h (struct cpp_options): Remove debug_output.
7191 * cppmain.c (setup_callbacks, cb_define): Update.
7192 * gcc.c (cpp_options): Translate -g3 to -dD.
7194 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7196 * config/i960/i960.md: Change modifier to + on the zero_extract
7197 pattern after the (rotate -2 reg) canonicalization pattern.
7199 2001-01-10 Richard Henderson <rth@redhat.com>
7201 * config/alpha/alpha.c (alpha_free_machine_status): New.
7202 (override_options): Install it.
7203 (alpha_mark_machine_status): Verify machine non-null.
7204 * config/i386/i386.c (ix86_free_machine_status): New.
7205 (override_options): Install it.
7206 (ix86_init_machine_status): Use xcalloc.
7207 (ix86_mark_machine_status): Verify machine non-null.
7208 * config/ia64/ia64.c (ia64_free_machine_status): New.
7209 (ia64_override_options): Install it.
7210 (ia64_mark_machine_status): Verify machine non-null.
7212 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7214 * function.c (instantiate_virtual_regs): Instantiate virtual
7215 registers found in CALL_INSN_FUNCTION_USAGE.
7217 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7219 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7220 equivalent to -ansi in disabling -Di386.
7222 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7224 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7226 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7228 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7230 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7232 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7234 * invoke.texi: Document that -fcond-mismatch isn't supported for
7237 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7239 * gcc.texi: Define macro gcctabopt.
7240 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7241 @command, @env and @option in some places where appropriate. Use
7242 @gcctabopt where appropriate. Put URLs and email addresses inside
7245 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7247 * gcc.c (cpp_options): Set MD file name from output
7248 filename, if specified.
7249 (suffix_subst): New static variable.
7250 (do_spec): Clear it.
7251 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7253 (give_switch): Handle suffix_subst.
7255 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7257 * invoke.texi: Fix another typo.
7259 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7261 * invoke.texi: Fix typo.
7263 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7265 * c-lang.c (lang_hooks): Update.
7266 (lang_decode_option): Remove.
7267 (lang_init_options): Rename c_init_options.
7268 * toplev.c (main): Use lang_hooks for lang_init_options
7269 and lang_decode_option.
7270 * toplev.h (lang_hooks): Add 2 new hooks.
7271 * tree.h: Remove lang_init_options and lang_decode_option.
7272 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7273 * cp/decl2.c: Similarly.
7274 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7275 (lang_hooks): Update.
7276 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7278 (lang_init_options): Rename ffe_init_options.
7279 (lang_hooks): Update.
7280 (lang_decode_option): Remove.
7281 * java/lang.c (lang_init_options): Rename java_init_options.
7282 (lang_decode_option): Rename java_decode_option.
7283 (lang_hooks): Update.
7284 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7285 (lang_decode_option): Rename objc_decode_option.
7286 (lang_hooks): Update.
7288 2001-01-09 Nick Clifton <nickc@redhat.com>
7290 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7291 (d30v_return_addr_rtx): Delete.
7292 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7293 cfun->machine structure.
7294 (struct machine_function): Move to d30v.h
7295 (d30v_save_machine_status): Delete.
7296 (d30v_restore_machine_status): Delete.
7297 (d30v_init_machine_status): New Function.
7298 (d30v_mark_machine_status): New Function.
7299 (d30v_free_machine_status): New Function.
7300 (d30v_init_expanders): Use new functions.
7301 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7302 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7303 d30v_return_addr_rtx.
7305 * config/d30v/d30v.h (struct_machine): Move here.
7306 Add eh_epilogue_sp_ofs field.
7308 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7309 field in cfun->machine structure.
7311 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7313 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7314 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7315 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7317 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7319 * objc/lang-options.h: Remove bogus reference to
7322 2001-01-09 Kazu Hirata <kazu@hxi.com>
7324 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7327 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7329 * reload.c (find_reloads_address): Check for eliminable registers
7330 when substituting a constant expression for a pseudo.
7332 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7334 * c-common.c (enum format_type): Add format_type_error.
7335 (decode_format_type): New function.
7336 (decl_attributes): Use it.
7337 (format_kind_info): Adjust comment.
7339 2001-01-09 David O'Brien <obrien@BSDi.com>
7341 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7342 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7344 * config/i386/gnu.h: Don't include required platform specific .h files,
7345 tm.h will do it instead.
7346 * config/i386/i386elf.h: Likewise.
7347 * config/i386/linux.h: Likewise.
7348 * config/i386/moss.h: Likewise.
7349 * config/mips/gnu.h: Likewise.
7351 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7353 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7354 (rs6000-ibm-aix3.[01]*): Likewise.
7355 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7356 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7357 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7358 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7359 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7360 (powerpc-*-eabiaix*): Likewise.
7361 (powerpc-*-eabisim*): Likewise.
7362 (powerpc-*-elf*): Likewise.
7363 (powerpc-*-eabi*): Likewise.
7364 (powerpc-*-rtems*): Likewise.
7365 (powerpc-*-linux*libc1): Likewise.
7366 (powerpc-*-linux*): Likewise.
7367 (powerpc-wrs-vxworks*): Likewise.
7368 (powerpcle-wrs-vxworks*): Likewise.
7369 (powerpcle-*-sysv*): Likewise.
7370 (powerpcle-*-elf*): Likewise.
7371 (powerpcle-*-eabisim*): Likewise.
7372 (powerpcle-*-eabi*): Likewise.
7373 (powerpcle-*-solaris2*): Likewise.
7374 * config/rs6000/aix31.h: Delete includes.
7375 * config/rs6000/aix3newas.h: Likewise.
7376 * config/rs6000/aix41.h: Likewise.
7377 * config/rs6000/aix43.h: Likewise.
7378 * config/rs6000/beos.h: Likewise.
7379 * config/rs6000/rtems.h: Likewise.
7380 * config/rs6000/sysv4.h: Likewise.
7382 2001-01-09 Kazu Hirata <kazu@hxi.com>
7384 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7385 Change an argument mode of machine_mode to shift_mode of
7386 shift_mode. Remove an extra error check.
7387 (emit_a_shift): Adopt to the new calling prototype of
7389 (function_prologue): Fix code for a monitor
7390 function. Support H8/S.
7391 (function_epilogue): Do not output pop for a monitor function.
7393 2001-01-09 Nick Clifton <nickc@redhat.com>
7395 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7396 (setup_incoming_varargs): Use sysv_varargs_p field of the
7397 cfun->machine structure.
7398 (struct machine_function): Move to rs6000.h
7399 (rs6000_save_machine_status): Delete.
7400 (rs6000_restore_machine_status): Delete.
7401 (rs6000_init_machine_status): New Function.
7402 (rs6000_free_machine_status): New Function.
7403 (rs6000_init_expanders): Use new functions.
7405 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7407 (struct machine_function): Move here.
7409 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7410 sysv_varargs_p field of the cfun->machine structure.
7412 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7414 (rs6000_restore_machine_status): Remove prototype.
7416 2001-01-09 Richard Henderson <rth@redhat.com>
7418 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7419 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7420 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7421 (sched_analyze_2, sched_analyze_insn): Likewise.
7422 (sched_analyze, init_deps): Likewise.
7423 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7424 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7425 (compute_block_backward_dependences): Update propagate_deps call.
7427 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7429 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7431 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7433 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7434 (cpp_handle_option): Handle them.
7435 (cpp_post_options): Ensure one of -M or -MM is specified with
7436 any other -M? option.
7437 (init_dependency_output): Suppress output with -MG.
7439 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7442 * invoke.texi: Update.
7444 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7446 * sh.md (reload_outsf): Generate recognizable patterns for
7449 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7451 * c-lang.c (lang_hooks): Update.
7452 (lang_init): Rename c_init.
7453 (lang_finish): Remove.
7454 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7456 * toplev.h (lang_hooks): Add init () and finish ().
7457 * tree.h (lang_init, lang_finish): Remove.
7458 * cp/tree.h (lang_init, lang_finish): Remove.
7459 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7460 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7462 (lang_init, lang_finish): Remove.
7463 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7464 (lang_hooks): Update.
7465 * java/lang.c (lang_init): Rename java_init.
7466 (lang_finish): Remove.
7467 (lang_hooks): Update.
7468 * objc/objc-act.c (lang_init): Rename objc_init.
7469 (lang_finish): Remove.
7470 (lang_hoooks): Update.
7472 20001-01-09 Graham Stott <grahams@redhat.com>
7474 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7475 after `ptr` is initialised.
7477 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7479 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7480 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7481 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7482 stack adjusts, instead of r3.
7484 2001-01-09 Michael Hayes <mhayes@redhat.com>
7486 * flow.c (flow_loop_scan): Break out of ...
7487 (flow_loops_find) ... here.
7488 * basic-block.h (flow_loop_scan): New.
7489 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7490 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7492 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7494 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7496 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7497 realloc()ing macro_buffer.
7499 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7500 if it's wider than long and the target's long is wider than the
7503 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7505 Remove support for using UWIN as a host machine.
7506 * configure.in: Issue an error message.
7507 * configure: Regenerated.
7508 * config.gcc: Remove xm_* UWIN configury.
7509 * config/i386/xm-uwin.h: Remove.
7511 2001-01-08 Nick Clifton <nickc@redhat.com>
7513 * config/v850/v850.c (ra_rtx): Delete.
7514 (v850_save_machine_status): Delete.
7515 (v850_restore_machine_status): Delete.
7516 (v850_init_machine_status): New function.
7517 (v850_mark_machine_status): New function.
7518 (v850_free_machine_status): New function.
7519 (v850_return_addr): Use ra_rtx field in machine structure.
7520 (v850_init_expanders): Use new functions.
7522 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7523 * config/v850/v850.c: Change arguments to v850_output+* functions
7524 to take a const char *, to avoid compile time warning.
7525 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7526 (USER_LABEL_PREFIX): Redefine.
7528 2000-01-08 Jim Wilson <wilson@redhat.com>
7530 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7531 1 to unsigned HOST_WIDE_INT before left shift.
7533 2001-01-08 Nick Clifton <nickc@redhat.com>
7535 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7536 the machine structure has been allocated.
7537 (arm_free_machine_status): New function: Free the machine
7538 specific function structure.
7540 2001-01-08 Richard Henderson <rth@redhat.com>
7542 * jump.c (simplejump_p): Revert last change.
7544 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7546 * cppinit.c (init): Rename init_library.
7547 (cpp_create_reader): Update.
7548 * gcc.c (cpp_options): If -o given, use it as the target of
7551 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7553 * arm.c (arm_arch5e): New variable.
7554 (all_cores): XScale is a 5TE device.
7555 (arm_override_options): Set arm_arch5e.
7556 (arm_init_builtins): __builtin_prefetch is in arch5e.
7557 * arm.h (arm_arch5e): Declare it.
7559 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7561 * arm.md (define_constants): Add defines for UNSPEC and
7562 UNSPEC_VOLATILE insns. Update all users.
7563 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7564 * arm.c (multi_register_push, note_invalid_constants)
7565 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7566 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7567 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7569 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7571 * jump.c (jump_optimize_1): Use reversed_comparison_code
7572 instead of can_reverse_comparison_p.
7573 (jump_back_p): Likewise.
7574 (invert_exp_1): Likewise.
7575 (thread_jumps): Likewise.
7576 * simplify-rtx.c (simplify_unary_operation): Likewise.
7577 (simplify_ternary_operation): Likewise.
7578 * cse.c (find_comparison_args): Convert to use
7579 can_reverse_comparison_p.
7580 (record_jump_equiv): Likewise.
7582 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7584 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7585 (EPILOGUE_USES): Define.
7586 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7587 automatically stack the LR if it isn't live.
7589 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7591 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7594 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7596 * ggc-page.c (max_alignment): New structure.
7597 (MAX_ALIGNMENT): New macro.
7598 (init_ggc): Use it to round up the sizes in the
7599 extra_order_size_table.
7601 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7603 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7606 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7608 * builtins.def (BUILT_IN_FPRINTF): New entry.
7610 * c-common.c (c_expand_builtin_fprintf): New function.
7611 (init_function_format_info): Handle __builtin_fprintf.
7612 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7613 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7615 * c-decl.c (duplicate_decls): Adjust comment.
7617 * extend.texi (fprintf): Document new builtin.
7619 2001-01-07 Richard Henderson <rth@redhat.com>
7621 * jump.c (simplejump_p): Recognize any single_set jump
7624 2001-01-07 Richard Henderson <rth@redhat.com>
7626 * configure.in (slibdir): Accept an --with-slibdir option.
7627 Use "test" not "[" in configure. Default to $(libdir).
7629 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7631 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7632 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7633 (SHLIB_LINK): Create links for the soname.
7634 * config/mips/t-iris6: Likewise.
7635 * config/sparc/t-slibgcc: Likewise.
7636 * config/sparc/t-slibgcc-sld: Likewise.
7638 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7640 * config/i386/i386.c (constant_call_address_operand): Accept
7641 (const (plus (symbol_ref) (const_int))).
7642 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7643 constant_call_address_operand.
7645 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7647 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7648 and LONG_LONG_TYPE_SIZE > 32.
7650 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7652 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7653 the previous change.
7655 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7657 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7659 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7660 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7661 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7664 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7666 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7668 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7670 * c-lang.c (c_post_options): Call cpp_post_options.
7671 * objc/objc-act.c (objc_post_options): Similarly.
7672 * cppmain.c (main): Similarly.
7673 * fix-header.c (read_scan_file): Similarly.
7674 * cppinit.c (cpp_start_read): Move option consistency checks
7675 to cpp_post_options. Don't call init_dependency_output.
7676 If needed, add default target and main file dependency.
7677 (OPT_MD, OPT_MMD): Remove.
7679 (cpp_handle_option): Update for OPT_* changes.
7680 (cpp_post_options): New.
7681 (init_dependency_output): Command line -MF overrides environment
7682 variables. Don't set default target etc. Suppress output
7683 if dependencies are going to stdout.
7684 (print_help): Update.
7685 * cpplib.h (cpp_post_options): New.
7686 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7688 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7690 * jump.c (comparison_dominates_p): Support unordered compares.
7692 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7694 * simplify-rtx.c (simplify_relational_operation): Always simplify
7695 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7698 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7700 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7701 (nonzero_bits): Likewise.
7702 (simplify_comparison): Likewise.
7703 (num_sign_bit_copies): Likewise; return more sane value depending
7704 on STORE_FLAG_VALUE.
7705 (known_cond): Do not assume EQ to be always true for equivalent
7708 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7710 * cse.c (fold_rtx): Handle unordered comparisons.
7712 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7714 * rtlanal.c (set_of_1): New static function.
7715 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7716 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7717 reg_set_last_last_regno): Remove.
7718 (set_of): New global function.
7719 (set_of_data): New structure.
7720 (reg_set_p, reg_set_last): Revamp for set_of.
7721 * rtl.h (set_of): New.
7723 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7725 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7726 * extend.texi: Document _Exit builtin.
7728 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7730 * (initialize, initialize_builtins,
7731 initialize_dependency_output, initialize_standard_includes):
7732 Rename s/initialize/init. Update.
7733 (init_dependency_output): Move to after
7734 cpp_handle_options, the correct location temporally at least.
7735 (opt_comp): Move next to init (), its caller. Fix prototype.
7736 (init): Make "initialized" local scope.
7737 (cpp_create_reader): Always call init ().
7738 (cpp_start_read): Update.
7739 (output_deps): New function, broken out of cpp_finish.
7740 (cpp_finish): Break out output_deps.
7742 2001-01-07 Richard Henderson <rth@redhat.com>
7744 * collect2.c (COFF specific stuff): Revert 12-06 patch
7745 to prototype system functions.
7747 2001-01-07 Michael Hayes <mhayes@redhat.com>
7749 * hard-reg-set.h: Add multiple include guard.
7750 * basic-block.h (struct loop): Add `sink' field.
7751 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7752 (emit_iv_add_mult): Delete.
7753 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7754 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7755 (unroll_loop): Remove end_insert_before argument.
7756 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7757 (maybe_eliminate_biv_1): Likewise.
7758 (emit_iv_add_mult): Delete.
7759 (gen_add_mult, loop_regs_update): New.
7760 (loop_insn_emit_after, loop_insn_emit_before): New.
7761 (loop_insn_sink, loop_insn_sink_or_swim): New.
7762 (emit_iv_add_mult): Delete.
7763 (scan_loop): Set loop->sink.
7764 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7765 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7766 (maybe_eliminate_biv_1): Likewise.
7767 (maybe_eliminate_biv_1): Add basic block argument.
7768 * unroll.c (unroll_loop): Remove end_insert_before argument.
7769 (find_splittable_regs): Likewise.
7770 (find_splittable_regs): Use loop_insn_sink and its ilk.
7771 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7773 2001-01-07 Michael Hayes <mhayes@redhat.com>
7775 * loop.h (loop_insn_hoist): New prototype.
7776 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7777 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7778 (check_dbra_loop, load_mems): Likewise.
7779 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7780 (find_splittable_givs): Likewise.
7782 2001-01-07 Michael Hayes <mhayes@redhat.com>
7784 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7786 2001-01-07 Richard Henderson <rth@redhat.com>
7788 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7790 2001-01-07 Richard Henderson <rth@redhat.com>
7792 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7793 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7794 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7795 variant that handles a shared libgcc.
7796 (process_command): Always validate -{static,shared}-libgcc.
7797 (do_spec_1): New 'M' case.
7798 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7800 2001-01-07 Richard Henderson <rth@redhat.com>
7802 * Makefile.in (slibdir): New variable.
7803 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7804 (installdirs): Create slibdir.
7805 (install-libgcc, install-multilib): Defer to libgcc.mk.
7806 * configure.in (slibdir): Substitute.
7807 * mklibgcc.in (install): New target.
7809 * config/t-linux (SHLIB_LINK): Create links for the soname.
7810 (SHLIB_INSTALL): New.
7811 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7812 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7813 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7814 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7815 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7817 2001-01-07 Richard Henderson <rth@redhat.com>
7819 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7820 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7821 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7823 2001-01-07 Michael Hayes <mhayes@redhat.com>
7825 * loop.c (count_loop_regs_set): Delete.
7826 (load_mems_and_recount_loop_regs_set): Delete.
7827 (loop_regs_scan): Merge common code from count_loop_regs_set,
7828 scan_loop, and load_mems_and_recount_loop_regs_set.
7829 (scan_loop): Call load_mems directly and loop_regs_scan
7830 again if new registers created.
7832 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7834 * toplev.c (main): Call the front-end specific post_options
7835 hook if one is given.
7836 * toplev.h (struct_lang_hooks, lang_hooks): New.
7837 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7838 for the C front end.
7839 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7840 lang_hooks for the C++ front end.
7841 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7842 lang_hooks for the ObjC front end.
7843 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7844 * java/lang.c (lang_hooks): Hooks for the Java front end.
7846 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7848 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7849 for verbose DWARF[2] debugging.
7850 (cb_define, cb_undef): The new callbacks.
7851 * toplev.h (debug_define, debug_undef): Make const correct.
7852 * toplev.c (debug_define, debug_undef): Similarly. Do not
7853 perform the verbosity tests here anymore.
7855 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7857 * reload.c (subst_reloads): Take INSN argument. When
7858 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7859 * reload.h (subst_reloads): Adjust prototype.
7860 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7861 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7862 present in JUMP_INSNs and copy them to JUMP_LABEL.
7863 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7864 JUMP_INSNs and insns with REG_LABELs that are followed by
7865 JUMP_INSNs with the same REG_LABEL.
7866 * sched-rgn.c (is_cfg_nonregular): Likewise.
7867 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7869 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7871 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7873 2001-01-06 Richard Henderson <rth@redhat.com>
7875 * loop.c (scan_loop): Use xcalloc for the regs array.
7876 (load_mems_and_recount_loop_regs_set): Zero the new memory
7877 received from xrealloc.
7879 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7881 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7883 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7885 * integrate.c (copy_rtx_and_substitute): When copying
7886 an ignored return value, strip REG_FUNCTION_VALUE_P.
7888 2001-01-06 Michael Hayes <mhayes@redhat.com>
7890 * loop.c (debug_biv, debug_giv): New.
7891 (loop_biv_dump): Break out from ...
7892 (record_biv): ... here.
7893 (loop_giv_dump): Break out from ...
7894 (record_giv): ... here.
7895 (loop_bivs_check): Use print_simple_rtl.
7896 * unroll.c (loop_iterations): Use print_simple_rtl.
7898 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7900 * pa.md (return, return_internal): Modify patterns to prevent regrename
7901 mucking with the return pointer.
7903 2001-01-05 Richard Henderson <rth@redhat.com>
7905 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7907 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7909 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7910 version supplied by Matteo Frigo.
7912 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7914 * cpp.texi: Update for -MQ.
7915 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7916 (cpp_cleanup): Always free pfile->deps.
7917 (initialize_dependency_output): Don't create pfile->deps.
7918 (cpp_handle_option): Similarly.
7920 * gcc.c (cpp_options): Handle -MQ.
7921 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7922 * mkdeps.c (base_name): Remove.
7923 (deps_init): Don't allocate vector space until it's needed.
7924 (deps_free): Only free vectors if allocated.
7925 (deps_add_target, deps_add_dep): Update for initial allocation.
7926 (deps_add_default_target): Don't strip to the base_name.
7928 2001-01-05 DJ Delorie <dj@redhat.com>
7930 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7931 (INIT_EXPANDERS): Define.
7933 * config/v850/v850.c (struct machine_function): Define.
7934 (v850_save_machine_status): New function.
7935 (v850_restore_machine_status): New function.
7936 (v850_return_addr): New function.
7937 (v850_init_expanders): New function.
7939 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7940 and v850_init_expanders.
7942 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7944 * cpplib.h (struct cpp_reader): Add help_only field.
7945 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7946 (cpp_handle_option): Set pfile->help_only if we see -h,
7947 --help, -target-help, or --version. Print version string but
7948 do not set help_only if we see -v or -version. Make text
7949 printed by -v match that printed by (-)-version.
7951 * cppmain.c (main): Exit after option parsing if
7952 pfile->help_only is true.
7954 * toplev.c (independent_decode_option): Call print_version,
7955 then exit, if we see --version (but not -version).
7956 (print_version): Split lengthy message into two lines.
7958 2001-01-05 Nick Clifton <nickc@redhat.com>
7960 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7961 temporary string for initialisation before calling ggc_alloc_string.
7963 2001-01-06 Michael Hayes <mhayes@redhat.com>
7965 * rtl.h (print_simple_rtl): New.
7966 * print-rtl.c (print_simple_rtl): New.
7968 (print_rtx): Disable printing of flags and modes, etc.,
7969 if `flag_simple` nonzero.
7971 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7973 * function.c (fixup_var_refs): Use push_to_full_sequence where
7976 2001-01-05 Michael Meissner <meissner@redhat.com>
7978 * flags.h (flag_reorder_blocks): Add declaration.
7979 (flag_rename_block): Ditto.
7981 2001-01-05 DJ Delorie <dj@redhat.com>
7983 * function.c (reorder_blocks): Make sure the flags are all reset
7984 before using them to mark blocks, else a second invocation will
7985 corrupt the block chain.
7986 (reorder_blocks_0): New, resets the flags.
7988 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7990 * cse.c (find_comparison_args): Stop if the argument is known to
7993 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7995 * config/sh/sh.md (movdf): When splitting load into pair of
7996 registers, don't clobber the register used in the address too
7999 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8001 * varasm.c (mark_constant_pool): Improve initial comments.
8002 (mark_constants): Move marking of constants to mark_constant.
8003 (mark_constant): New function to recursively mark all constants
8004 referred to by a constant.
8006 2001-01-05 Catherine Moore <clm@redhat.com>
8008 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8010 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8012 * cp/lang-options.h: Bring comment in line with reality.
8013 * f/lang-options.h: Likewise.
8014 * java/lang-options.h: Likewise.
8015 * objc/lang-options.h: Likewise.
8016 * ch/lang-options.h: Likewise.
8017 * f/g77.texi: And update the manual.
8019 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8020 Denis Chertykov <denisc@overta.ru>
8022 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8023 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8024 * config/avr/avr.md (all peepholes that request a scratch register):
8025 Call it, FAIL the peephole if not safe (in interrupt functions).
8027 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8029 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8031 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8033 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8035 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8036 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8037 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8038 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8039 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8041 * extend.texi: Document these builtins.
8043 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8045 * c-common.c (lang_get_alias_set): Say we know nothing of
8046 VECTOR_TYPE aliasing.
8048 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8050 2001-01-05 Bruce Korb <bkorb@gnu.org>
8052 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8053 their x* equivalent versions for atexit-less systems
8054 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8055 systems (or any other system any more).
8057 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8059 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8060 output operands. Use arm_hard_register_operand for operand 4.
8061 (stmsi_postinc): Similarly.
8062 (ldmsi): Use arm_hard_register_operand for opernand 2.
8064 * arm.c (arm_hard_register_operand): New function.
8065 * arm-protos.h (arm_hard_register_operand): Prototype it.
8067 * arm.h (HARD_REGNO_RENAME_OK): Define.
8069 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8071 * simplify-rtx.c (cfc_args): add "unordered" field.
8072 (check_fold_consts): Set unordered field.
8073 (simplify_relational_operation): Simplify the unordered
8076 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8079 * emit-rtl.c (try_split): Fix code to mark labels.
8080 * jump.c (mark_jump_label): Make global.
8081 * rtl.h (mark_jump_label): Declare.
8083 * predict.c (estimate_probability): Handle unordred comparisons.
8085 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8087 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8088 * cppinit.c (initialize_dependency_output): Update.
8089 (cpp_finish): Output dummy targets for -MP.
8091 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8092 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8093 * gcc.c (cpp_options): Update to handle -MP.
8094 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8095 to quote only the default target.
8096 (deps_phony_targets): Insert a preceding newline. Rename from
8097 deps_dummy_targets for consistency.
8100 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8102 * calls.c (emit_library_call_value_1): Support
8103 INIT_CUMULATIVE_LIBCALL_ARGS.
8104 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8106 2001-01-04 Richard Henderson <rth@redhat.com>
8108 * c-decl.c (finish_struct): Detect flexible array members
8109 used in an inappropriate context.
8110 * c-typeck.c (really_start_incremental_init): Special case
8111 constructor_max_index for zero length arrays.
8112 (pop_init_level): Allow initialization of flexible array
8113 members. Deprecate initialization of zero length arrays.
8114 Don't issue missing initializer warning for flexible array
8115 members or zero length arrays.
8116 (process_init_element): Don't dereference null DECL_SIZE.
8117 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8118 Don't abort for empty constructors. Use size_binop
8119 (output_constructor): Add commentary regarding zero length
8120 array futures. Abort if we try to initialize an array of
8121 unspecified length with a non-empty constructor in the middle
8124 * extend.texi (Zero Length): Update and clarify documentation
8125 on static initialization.
8127 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8129 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8130 with more than 32767 words of local storage.
8132 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8134 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8135 for 'abs', 'labs', and 'fabs'.
8136 (c4x_expand_builtin): Likewise.
8137 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8139 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8141 * config/sh/sh.md (prget, prset): New insn types.
8142 (return delay slot): Dont' allow prset.
8143 (call, sfunc delay slot): Don't allow prget.
8144 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8145 for prset and prget.
8147 2001-01-05 Michael Hayes <mhayes@redhat.com>
8149 * loop.h (struct loop_reg): New.
8150 (struct loop_regs): Change to use array of `struct loop_reg'.
8151 * loop.c: Replace assortment of varrays with single regs array.
8152 (count_one_set): Delete may_not_move array argument
8153 and use regs array instead. All caller's changed.
8154 (count_loop_regs_set): Delete may_not_move and single_usage
8155 arguments and use regs array instead. All caller's changed.
8156 (find_single_use_in_loop): Replace usage array argument with pointer
8157 to regs structure. All caller's changed.
8158 (loop_optimize): Delete `moved_once' array.
8160 2001-01-05 Michael Hayes <mhayes@redhat.com>
8162 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8163 Use it instead of loop_info->has_call for scanning loop mems.
8164 (check_dbra_loop): Replace loop_info->has_call test with
8165 loop_info->has_nonconst_call.
8167 2000-01-04 Matthew Hiller <hiller@redhat.com>
8169 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8172 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8174 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8175 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8177 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8179 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8180 (flag_short_double, flag_short_wchar): Define.
8181 (c_common_nodes_and_builtins): Create many tree nodes shared
8182 between C and C++ here instead of in cp/decl.c and ...
8183 * c-decl.c (init_decl_processing): ... here.
8184 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8185 (flag_short_double, flag_short_wchar): Don't define.
8186 (record_builtin_type): New function.
8187 (build_void_list_node): New function.
8188 * c-common.h (flag_short_double, flag_short_wchar,
8189 record_builtin_type, build_void_list_node): Declare.
8191 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8193 * integrate.c (expand_inline_function): Don't put a virtual
8194 register into the reg map.
8196 * function.c (fixup_var_refs_1): If force_operand didn't put
8197 the address into the target, move it there.
8199 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8201 Special-case tree_decl/tree_list allocations.
8202 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8203 (OBJECT_SIZE): New macro.
8204 (NUM_EXTRA_ORDER): Likewise.
8205 (extra_order_size_table): New variable.
8206 (NUM_ORDERS): New macro.
8207 (objects_per_page_table): New variable.
8208 (object_size_table): New variable.
8209 (G.pages): Use NUM_ORDERS to bound the array.
8210 (G.page_tails): Likewise.
8211 (DIV_ROUND_UP): Remove.
8212 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8213 (alloc_page): Use OBJECT_SIZE.
8214 (size_lookup): Don't make it const.
8215 (ggc_alloc): Use OBJECT_SIZE.
8216 (ggc_set_mark): Likewise.
8217 (ggc_get_size): Likewise.
8218 (init_ggc): Set up the object_size_table, objects_per_page_table,
8219 and adjust size_lookup.
8220 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8221 (ggc_pop_context): Use NUM_ORDERS.
8222 (clear_marks): Likewise.
8223 (sweep_pages): Likewise.
8224 (poison_pages): Likewise.
8225 (ggc_print_statistics): Use OBJECT_SIZE.
8227 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8229 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8230 Only call array_size_for_constructor if last field and array type
8231 with no upper bound.
8233 2001-01-04 Philip Blundell <philb@gnu.org>
8235 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8236 from bit 31 downwards, if this requires no more insns.
8237 (count_insns_for_constant): New helper function for above.
8239 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8241 * gencodes.c (output_predicate_decls): Remove empty initializer.
8243 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8245 * tree.c (copy_node): Remove documentation about obstacks.
8246 (buidl1): Check that nobody tries to build 2-argument nodes this
8249 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8251 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8254 * gencodes.c (output_predicate_decls): Fill empty initializer
8257 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8259 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8260 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8262 (do_include): Handle missing headers like cpp0.
8263 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8264 paths with first include pathname. Don't strcat to uninitialized
8267 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8269 * regrename.c (regrename_optimize): Don't rename from frame pointer
8270 if frame_pointer_needed.
8271 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8272 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8273 (ia64_reorg): Use it instead of scheduling if ! optimize.
8274 (errata_emit_nops): Properly call asm_noperands.
8275 (ia64_sched_reorder): Finish cycle if we see an asm.
8276 (ia64_variable_issue): Clear scheduling state after asms.
8278 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8280 * cpp.texi: Update for -MT.
8281 * cppinit.c (initialize_dependency_output): Add a default
8282 target if none has been given already.
8283 (no_tgt, OPT_MT): New.
8284 (cpp_handle_option): Handle -MT. Update -M etc.
8285 * cpplib.h (struct cpp_options): Remove deps_target.
8286 * gcc.c (cpp_options): Handle -MT.
8287 * mkdeps.c (struct deps): Move from mkdeps.h.
8288 (deps_calc_target): Rename deps_add_default_target. Add a
8289 default target if none has been specified already.
8290 * mkdeps.h (struct deps): Move to mkdeps.c.
8291 (deps_calc_target): Rename deps_add_default_target.
8293 2000-01-03 Richard Henderson <rth@redhat.com>
8295 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8297 * c-typeck.c (push_init_level): Move checks for flexible array
8298 members and zero length arrays ...
8299 (pop_init_level): ... here. Silently discard empty initializations.
8301 * varasm.c (output_constructor): Update for sizeof change to
8304 * extend.texi (Zero Length): Clarify semantics.
8306 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8308 * configure.in (tm.h): Include isns-codes.h last.
8309 * configure: Rebuilt.
8311 2001-01-03 Richard Henderson <rth@redhat.com>
8313 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8314 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8316 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8318 * tradcpp.c (main): Make sure finclude() is called with a valid
8319 indepth value while handling -include.
8321 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8323 * gencodes.c (output_predicate_decls): New function.
8325 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8326 even if it is not the first time machmode.h is #included.
8327 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8328 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8329 * gcc.texi (Copyright): Added 2001.
8331 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8333 * c-common.c (c_common_lang_init): New function. Warn if format
8334 warning options which only have effects when used with -Wformat
8335 are used without -Wformat.
8336 * c-common.h (c_common_lang_init): Declare.
8337 * c-lang.c (lang_init): Call c_common_lang_init.
8338 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8340 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8342 * configure.in: Check for the mktemp command.
8343 * configure: Regenerate.
8344 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8345 $TEMP. Create temporary files with mktemp, if available at
8346 configure time; otherwise use set -C. Remove temporary files
8349 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8351 * configure.in: Require at least texinfo 4.0. Check for whether
8352 Pod::Man is sufficiently recent to regenerate GCC manpages.
8353 * configure: Regenerate.
8354 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8356 (GENERATED_MANPAGES): Define.
8357 (generated-manpages): New target. Depend on cpp.1 as well as
8359 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8360 configure to generated-manpages or empty) rather than on the
8361 manpages directly. Remove execute permission from installed
8362 gcov.1 as well as cpp.1.
8363 * cpp.1, gcov.1: Regenerate.
8365 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8367 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8368 tree_low_cst. Allow using cmpstrsi in more cases.
8370 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8372 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8375 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8377 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8378 * Makefile.in (HOST_CFLAGS): Mention build-make.
8380 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8382 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8385 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8387 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8390 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8393 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8394 reg_base_value and reg_known_value arrays.
8395 (init_alias_analysis): Add more cases to detect known values.
8396 * sched-deps.c (deps_may_trap_p): New function.
8397 (sched_analyze_2): Use it.
8399 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8401 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8402 don't discard an ASHIFTRT if we're shifting in a wider mode.
8404 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8406 * toplev.c (rest_of_compilation): Don't print basic block information
8407 when CFG isn't up to date.
8409 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8411 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8412 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8413 (UNALIGNED_SHORT_ASM_OP): Define.
8414 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8416 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8418 * fold-const.c (fold_convert): Fix typo.
8420 2001-01-02 Richard Henderson <rth@redhat.com>
8422 * c-common.h (ASM_INPUT_P): New.
8423 * c-parse.in (asm): Set it when needed.
8424 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8425 existance of an operand.
8427 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8429 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8430 (dwarf2out_frame_debug_expr): Likewise.
8431 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8433 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8435 * i386.c (ix86_split_to_parts): Return number of part required;
8437 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8439 (ix86_split_long_move): Use number of part returned
8440 by ix86_split_to_parts
8441 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8443 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8444 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8445 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8446 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8447 (ALIGN_MODE_128): Add TFmode.
8448 (IS_STACK_MODE): Likewise.
8449 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8450 (HARD_REGNO_OK): Support TFmodes.
8451 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8452 * i386.md (scheduler definitions): Use memory operand to determine
8453 fst/fld instructions; use mode attribute to determine real mode of
8455 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8456 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8458 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8460 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8462 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8464 * expr.c (store_constructor_field): Update ALIGN before calling
8467 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8469 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8472 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8474 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8477 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8479 * c-decl.c (start_function): Don't warn on third parameter to main.
8481 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8483 * tsystem.h: Define HAVE_DECL_GETOPT.
8485 2001-01-02 Philip Blundell <pb@futuretv.com>
8487 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8490 2001-01-02 Richard Henderson <rth@redhat.com>
8492 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8494 2001-01-02 Andreas Jaeger <aj@suse.de>
8496 * c-decl.c (c_decode_option): Remove support of
8499 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8500 (W_options): Add -Wmissing-noreturn here.
8502 * flow.c: Define lang_missing_noreturn_ok_p.
8503 (check_function_return_warnings): Use it.
8505 * c-common.h: Declare lang_missing_noreturn_ok_p.
8507 * c-lang.c (c_missing_noreturn_ok_p): New function.
8508 (lang_init): Set lang_missing_noreturn_ok_p.
8510 * invoke.texi (Warning Options): Document this.
8512 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8514 * extend.texi (C++ Extensions): New node for C++ attributes;
8515 describe init_priority and com_interface.
8516 * invoke.texi: Remove -finit-priority as it now has zero effect.
8517 * install.texi: Fix xref syntax.
8518 * md.texi: Likewise.
8520 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8522 * config.gcc (sparc64-wrs-vxworks*): New case.
8523 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8525 * config/sparc/sparc.c (sparc_override_options): Do support different
8526 pointer and architecture size.
8527 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8528 (POINTERS_EXTEND_UNSIGNED): Define.
8529 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8530 (FUNCTION_MODE): Define to be Pmode.
8531 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8533 * function.c (expand_function_end): Properly handle DECL_RESULT
8534 and copy when ptr_mode != Pmode.
8535 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8537 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8539 * c-common.c (c_common_nodes_and_builtins): Set prototype
8540 parameters for __builtin_fputs, __builtin_fputc and
8541 __builtin_fwrite. Don't declare plain fputc as a builtin.
8543 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8545 * loop.c (add_label_notes): Increment the label usage count when
8546 a note is added to an insn which refers to a CODE_LABEL.
8547 * gcse.c (add_label_notes): Likewise.
8549 2001-01-01 Andreas Jaeger <aj@suse.de>
8551 * loop.c (scan_loop): Use xmalloc to allocate movables.
8553 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8555 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8556 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8557 * reload1.c (REGISTER_MOVE_COST): Likewise.
8558 * regclass.c (REGISTER_MOVE_COST): Likewise.
8559 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8560 dimension. Adjust all users.
8561 (init_reg_sets_1): Iterate on all modes.
8562 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8563 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8564 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8565 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8566 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8567 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8568 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8569 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8570 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8571 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8572 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8573 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8574 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8575 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8576 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8577 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8578 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8579 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8580 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8581 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8582 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8583 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8584 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8585 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8586 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8587 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8588 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8590 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8592 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8593 arg VARIES_P. Call it with extra arg.
8594 (true_dependence): Likewise.
8595 * rtl.h (rtx_addr_can_trap_p): Declare.
8596 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8598 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8599 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8600 pic offset table register if it's zero. All callers changed.
8601 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8603 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8605 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8606 STRING_POOL_ADDRESS_P.
8608 * config/sparc/sparc.c (input_operand): Properly test for short op.
8610 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8611 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8612 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8613 * config/sparc/elf.h: No longer include sol2.h.
8614 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8615 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8617 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8619 2001-01-01 Michael Hayes <mhayes@redhat.com>
8621 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8622 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8623 (record_initial): Likewise.
8624 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8625 (remap_split_bivs): Likewise.
8627 2001-01-01 Michael Hayes <mhayes@redhat.com>
8629 * loop.c (loop_ivs_free): New function.
8630 (strength_reduce): Break out from...
8632 2001-01-01 Michael Hayes <mhayes@redhat.com>
8634 * loop.h (struct iv): New.
8635 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8636 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8637 'reg_biv_class' fields with 'regs' and 'n_regs'.
8638 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8639 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8640 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8642 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8644 * resource.c (mark_referenced_resources): Abort() before
8645 attempting to mark a pseudo register.
8646 (mark_set_resources): Likewise.
8648 2001-01-01 Michael Hayes <mhayes@redhat.com>
8650 * loop.h (REG_IV_CLASS): New accessor macro.
8651 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8652 * unroll.c (REG_IV_CLASS): Likewise.
8654 See ChangeLog.4 for earlier changes.