1 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * Makefile.in (ifcvt.o): Depend on toplev.h.
5 * c-semantics.c: Include expr.h.
7 * ifcvt.c: Include toplev.h.
9 * expr.h (rtx_equal_p): Delete prototype.
11 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
12 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
13 eliminate_constant_term, expand_complex_abs, find_single_use,
14 make_tree, init_expr_once, init_optabs, supports_one_only):
17 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
18 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
19 expand_assignment, store_expr, emit_line_note_after,
20 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
22 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
24 * sparc-protos.h: Delete redundant prototypes.
26 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
28 * reload.c (push_reload): Add condition missed in SUBREG byte
31 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
33 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
35 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
37 * i386.md (floatsisf_sse): Fix output template
38 * i386.c (ix86_expand_fp_movcc)
40 * reg-stack.c (emit_pop_insn): Handle complex modes.
41 (move_for_stack_reg): Emit proper move mode.
42 (subst_stack_regs_pat): Handle complex modes.
44 2001-04-11 Jakub Jelinek <jakub@redhat.com>
46 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
48 2001-04-10 Richard Henderson <rth@redhat.com>
50 * libgcc2.h (__terminate_func_ptr): Remove typedef.
51 (__pure_virtual, __terminate, __terminate_set_func,
52 __default_terminate, __throw_type_match, __empty,
53 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
54 __eh_rtime_match, __unwinding_cleanup, __rethrow,
55 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
56 Remove prototypes of deleted functions.
58 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
60 * c-typeck.c (convert_arguments): -Wtraditional now activates
61 -Wconversion warnings, except for changes in signed-ness.
62 Detect complex<->int & int<->complex conversions as well.
64 * invoke.texi (-Wtraditional): Document it.
66 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
68 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
69 * flow.c (set_block_for_new_insns): Remove needless cast and
70 properly check for unset block number.
72 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
74 * function.c (purge_single_hard_subreg_set): Only check REGNO if
75 the subreg was a hard register. Pseudos are left as subregs.
77 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
79 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
80 (LIB2ADD_ST): New macro, pass it to mklibgcc.
81 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
82 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
83 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
85 2001-04-09 Bo Thorsen <bo@suse.co.uk>
87 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
89 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
91 * output.h (set_block_num): Missed it earlier, remove deprecated
94 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
96 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
97 (load_killed_in_block_p): Change bb parameter from int to basic_block.
98 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
99 (handle_rd_kill_set): Change bb parameter from int to basic_block.
100 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
101 (expr_killed_p): Change bb parameter from int to basic_block, pass
102 basic_blocks instead of ints as parameters.
103 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
104 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
105 from int to basic_block, pass basic_blocks instead of ints as parms.
106 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
107 parameter from int to basic_block, pass basic_blocks instead of ints.
108 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
109 (insert_insn_end_bb): Change bb parameter from int to basic_block,
110 pass basic_blocks instead of ints.
111 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
112 basic_blocks instead of ints as parameters.
113 (pre_delete): Pass basic_blocks instead of ints as parameters.
114 (hoist_expr_reaches_here_p): Change bb parameter from int to
115 basic_block, pass basic_blocks instead of ints.
116 (hoist_code): Pass basic_blocks instead of ints as parameters.
117 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
118 Change bb parameter from int to basic_block.
119 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
120 (insert_insn_start_bb): Change bb parameter from int to basic_block,
121 pass basic_blocks instead of ints.
122 (insert_store): Pass basic_blocks instead of ints as parameters.
123 (replace_store_insn, delete_store): Change bb parameter from int to
124 basic_block, pass basic_blocks instead of ints.
125 (store_motion): Pass basic_blocks instead of ints as parameters.
127 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
129 * basic-block.h (set_new_block_for_insns): New Prototype.
130 (set_block_num): Delete prototype.
131 * flow.c (set_block_num): Remove obsolete function.
132 (set_block_for_new_insns): Set BB for single or multiple insns.
133 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
134 (process_insn_end_bb): Use set_block_for_new_insns or
135 set_block_for_insn instead of set_block_num.
136 (pre_insert_copy_insn): Use set_block_for_new_insns.
137 (update_ld_motion_stores): Use set_block_for_new_insns.
138 (insert_insn_start_bb): Use set_block_for_new_insns.
139 (replace_store_insn): Use set_block_for_new_insns.
141 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
142 Jeff Law <law@redhat.com>
144 * alias.c (get_addr): Externalize.
145 (canon_true_dependence): New function. Behaves like true_dependance
146 except it already assumes a MEM has been canonicalized.
147 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
148 * gcse.c (struct ls_expr): Add load/store expressions structure.
149 (modify_mem_list, canon_modify_mem_list): New variable.
150 (gcse_main): Initialize & finalize alias analysis. Use enhanced
151 load motion and store motion if requested.
152 (alloc_gcse_mem): Allocate space for modify_mem_list array.
153 (free_gcse_mem): Free the modify_mem_list array.
154 (oprs_unchanged_p): Use load_killed_in_block_p.
155 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
156 (mems_conflict_for_gcse_p): New function. Don't kill loads
157 with stores to themselves if its in the load/store expression list.
158 (load_killed_in_block_p): New function.
159 (canon_list_insert): New Function.
160 (record_last_mem_set_info): Keep a list of all instructions which
161 can modify memory for each basic block.
162 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
163 (oprs_not_set_p): Use load_killed_in_block_p.
164 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
165 (expr_killed_p): Use load_killed_in_block_p.
166 (compute_transp): Do not pessimize memory references.
167 (pre_edge_insert): Update stores for a load motion expression.
168 (one_pre_gcse_pass): Check loads/stores for extra load motion.
169 (ldst_entry): Find or create a ldst_expr structure.
170 (free_ldst_entry): Free memory for an individual item.
171 (free_ldst_mems): Free entire load/store expression list.
172 (print_ldst_list): Print debug info.
173 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
174 (enumerate_ldsts): Assign integer values to each entry in list.
175 (first_ls_expr): First expression in the list.
176 (next_ls_expr): Next expression in the list.
177 (simple_mem): Check if expression qualifies for ld/st expression list.
178 (invalidate_any_buried_refs): Remove from expression list if its
179 used in some other way we dont understand.
180 (compute_ld_motion_mems): Find all potential enhanced load motion
182 (trim_ld_motion_mems): Remove any expressions which are invalid.
183 (update_ld_motion_stores): Copy store values to registers for loads
184 which have been moved.
185 (regvec, st_antloc, num_store): New global statics.
186 (reg_set_info): Marks registers as set.
187 (store_ops_ok): Verfies registers expressions are valid in a block.
188 (find_moveable_store): Look for moveable stores in a pattern.
189 (compute_store_table): Find stores in a function worth moving, maybe.
190 (load_kills_store): Check dependance of a load and store.
191 (find_loads): Find any loads in a pattern.
192 (store_killed_in_insn): Check if a store is killed in an insn.
193 (store_killed_after): Check is store killed after an insn in a block.
194 (store_killed_before): Check is store killed before an insn in a block.
195 (build_store_vectors): Generate the antic and avail vectors.
196 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
197 (insert_store): Add a store to an edge.
198 (replace_store_insn): Replace a store with a SET insn.
199 (delete_store): Delete a store insn.
200 (free_store_memory): Free memory.
201 (store_motion): Perform store motion.
202 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
203 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
204 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
205 (f_options): Add gcse-lm and gcse-sm.
207 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
209 * i386.c (expand_fp_movcc): Fix condition reversal code.
211 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
212 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
213 (CLASS_MAX_NREGS): Use it.
215 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
216 handle properly complex values.
217 (CLASS_MAX_NREGS): Likewise; update comment.
219 2001-04-05 Bernd Schmidt <bernds@redhat.com>
221 * ia64.c (ia64_flag_schedule_insns2): New variable.
222 (ia64_override_options): Initialize it. Clear
223 flag_schedule_insns_after_reload.
224 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
226 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
228 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
229 Do not require source to match destination anymore;
230 Add abort to the nontrivial cases that should be handled by split.
231 (fix_trunc?fdi): Add SSE case for x86_64.
232 (floatdi?f): Likewise.
233 (floatdi?f_sse): New.
234 (fix_trunc?fdi_sse): New.
236 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
238 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
239 (DEBUG_ARANGES_END_LABEL): Ditto.
240 (dwarfout_init): Generate length and version fields at the start
241 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
242 after the length field.
243 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
244 the .debug_aranges info.
246 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
248 * i386.c (call, call_value): Make sure that resulting call_insn
249 does have proper second operand.
251 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
253 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
254 function. Remove include of sys/cygwin.h.
256 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
258 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
259 (CPP_SPEC): Always search */include/w32api for header files.
260 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
261 (LINK_SPEC): Add "cyg" to the library search prefixes.
263 2001-04-08 Philip Blundell <philb@gnu.org>
265 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
267 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
269 * cpperror.c (print_location): Don't special case <stdin>.
270 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
271 WARNING, but we don't check if we're in system headers.
272 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
273 * cpplib.c (do_warning): Warn in system headers.
275 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
277 * mbchar.c: Include config.h first.
279 2001-04-07 Zack Weinberg <zackw@stanford.edu>
281 * config.gcc: Set default for xmake_file at top, not bottom.
282 Change places that set xmake_file to "none" to set to the
283 empty string instead, or remove them entirely if there is no
284 default xmake_file for this cpu_type. Remove references to
287 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
288 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
289 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
290 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
291 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
292 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
293 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
294 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
295 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
296 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
299 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
300 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
301 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
302 config/mips/x-sysv, config/rs6000/x-aix31:
303 Just set CLIB to -lld or -lmld, as appropriate.
305 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
306 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
307 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
308 config/mips/x-iris, config/pa/x-pa:
309 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
310 OTHER_FIXINCLUDES_DIRS.
312 * config/i386/x-djgpp: Don't set LN or LN_S.
313 * config/m88k/x-dolph: Don't define __m88k__.
314 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
315 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
316 * config/i860/fx2800.h: No need to #undef SVR4.
318 38 x-host fragments remain, 2 x-cpu.
320 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
322 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
324 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
326 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
328 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
330 * configure.in: Add check for lstat.
331 * configure, config.in: Regenerate.
332 * cppinit.c (append_include_chain): Make empty path ".".
333 * cpplib.c (do_line): Don't simplify #line paths.
334 * cppfiles.c (remove_component_p): New function.
335 (find_or_create_entry): Acknowledge stat () errors during
337 (handle_missing_header): Don't simplify paths.
338 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
339 the empty path untouched. Don't leave a trailing '/'.
341 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
343 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
344 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
346 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
348 * cppfiles.c (open_file): Fail directories silently, but
349 with an errno of NOENT set.
350 (read_include_file): Move the common exit code to the sole
351 caller. Return an int indicating success or failure. Let
352 open_file handle directories.
353 (stack_include_file): If read_include_file fails,
354 push a "null" buffer.
356 2001-04-05 DJ Delorie <dj@redhat.com>
358 * function.h (virtuals_instantiated): Declare.
359 * function.c: (virtuals_instantiated): Make global.
360 * calls.c (emit_library_call_value_1): Use
361 virtual_outgoing_args_rtx only if it hasn't been instantiated.
362 Otherwise, use the stack pointer directly.
364 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
366 * i386.c (x86_initialize_trampoline): New global function.
367 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
368 (INITIALIZE_TRAMPOLINE): Move offline.
369 * i386-protos.h (x86_initialize_trampoline): Declare.
371 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
373 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
374 (lea_0): Rename to lea_1.
375 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
376 (lea_general_?): Allow SImodes on TARGET_64BIT
377 (lea_general_?_zext): New patterns.
378 (call_1, call_1_rex64): Fix.
380 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
382 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
384 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
386 * i386.c (function_arg): Return constm1_rtx for last argument.
387 (ix86_expand_prologue): Update gen_call calls.
388 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
389 * i386.md (call_pop): Likewise.
390 (call): Second operand is VOIDmode.
391 (call_0): Likewise; Support 64bits.
392 (call_exp): New expander.
393 (call_1): Get to the sync.
394 (call_1_exp): New pattern.
395 (call_value): Support 64bit.
396 (call_value_exp): New pattern.
397 (untyped_call): Update gen_call call.
398 (call_value_pop): Disable for 64bit.
399 (call_value_0_rex64): New pattern.
400 (call_value_1_rex64): Likewise.
402 2001-04-05 Bo Thorsen <bo@suse.de>
404 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
406 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
408 * i386.md (*andsi_1+3): If used after reload, make sure the operand
409 satisfies ANY_QI_REG_P.
411 2001-04-05 Bernd Schmidt <bernds@redhat.com>
413 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
416 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
419 2001-04-04 Zack Weinberg <zackw@stanford.edu>
421 * config.gcc: Remove default for xm_file. Clean up local
422 machine type handling. Remove settings of xm_file to
423 something that doesn't exist. In the big switch, set xm_file,
424 don't append to it (the value before the big switch is always
425 null). Don't force build_xm_file or host_xm_file to have a value.
426 * configure.in: Remove default for xm_file. Do not special
427 case $cpu/xm-$cpu.h not existing.
428 * configure: Regenerate.
430 2001-04-04 Diego Novillo <dnovillo@redhat.com>
432 * simplify-rtx.c (simplify_binary_operation): Check for overflow
433 when folding integer division and modulo operations.
435 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
437 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
438 instead of DWARF2_ADDR_SIZE for EH addresses.
439 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
442 2001-04-04 Richard Henderson <rth@redhat.com>
444 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
445 * config/ia64/t-glibc (LIB2ADDEH): Disable.
446 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
448 2001-04-04 Richard Henderson <rth@redhat.com>
450 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
451 * configure: Rebuilt.
453 2001-04-04 Jakub Jelinek <jakub@redhat.com>
455 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
456 push insns to delete to it instead of deleting them.
457 (delete_null_pointer_checks): Delete insns from delete_list after
458 all delete_null_pointer_checks_1 passes are done.
460 2001-04-04 Richard Henderson <rth@redhat.com>
462 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
463 * configure: Rebuilt.
465 2001-04-04 Zack Weinberg <zackw@stanford.edu>
467 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
468 * config/romp/xm-romp.h: Delete.
470 2001-04-04 Bernd Schmidt <bernds@redhat.com>
472 * sched-deps.c (sched_analyze_insn): Partially revert March 27
475 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
477 * emit-rtl.c (mark_label_nuses) Increment the label uses for
478 all labels present in rtx.
479 (try_split) Call new function for all split insns.
481 2001-04-04 Jakub Jelinek <jakub@redhat.com>
483 * recog.c (validate_replace_rtx_1): Instead of aborting just make
484 sure the change won't be validated.
486 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
488 * rtl.h (set_noop_p): Declare.
489 * flow.c (set_noop_p): Move from here ...
490 * rtlanal.c (set_noop_p): ... to here and enhance.
491 * cse.c (delete_trivially_dead_insns): Use it.
492 * gcse.c (hash_scan_set): Likewise.
493 * jump.c (delete_noop_moves): Likewise.
494 * recog.c (split_all_insns): Likewise.
496 2001-04-04 Alan Modra <alan@linuxcare.com.au>
498 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
499 stack pointer via a LO_SUM. Ditto for setting a temp register
500 used to save to the stack. Set cfa_temp when setting fp, and
501 allow matches to cfa_temp in addition to cfa_store when saving
502 regs. Handle POST_INC and LO_SUM register stores. Document the
503 changes and errors in rule 12 doco.
505 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
506 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
507 (load_reg): Move closer to epilogue code.
508 (DO_FRAME_NOTES): Define to control the following..
509 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
510 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
512 (hppa_expand_epilogue): Likewise.
514 2001-04-03 Richard Henderson <rth@redhat.com>
516 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
517 * configure: Rebuild.
519 2001-04-03 Richard Henderson <rth@redhat.com>
521 * rtl.h (LCT_THROW): New.
522 * calls.c (emit_library_call_value_1): Handle it.
523 * except.c (connect_post_landing_pads): Use it.
525 2001-04-03 Zack Weinberg <zackw@stanford.edu>
527 * gansidecl.h: Delete file.
528 * configure.in: Change all refs to gansidecl.h to use
529 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
531 * configure: Regenerate.
533 * Makefile.in (intl.o): Don't depend on gansidecl.h.
534 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
535 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
536 Don't include gansidecl.h.
537 * intl.c, main.c, version.c, fixinc/fixlib.h,
538 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
541 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
543 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
546 2001-04-03 Zack Weinberg <zackw@stanford.edu>
548 * config/i386/xm-beos.h, config/i386/xm-isc.h,
549 config/i386/xm-next.h, config/i386/xm-sco.h,
550 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
551 config/m88k/xm-m88k.h: Delete.
553 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
554 * config/romp/xm-romp.h: Don't define bcopy.
555 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
556 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
558 * config.gcc: Remove references to deleted files.
560 14 xm-host.h remain, 1 xm-cpu.h.
562 2001-04-03 Jakub Jelinek <jakub@redhat.com>
563 David S. Miller <davem@pierdol.cobaltmicro.com>
564 Andrew MacLeod <amacleod@redhat.com>
566 Use byte offsets in SUBREGs instead of words.
568 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
569 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
570 to pass new argument.
571 (add_stored_regs): Use subreg_regno_offset function.
572 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
574 (precompute_arguments): Use gen_lowpart_SUBREG.
575 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
576 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
577 (simplify_set): Rework to use SUBREG_BYTE.
578 (expand_field_assignment): Use SUBREG_BYTE.
579 (make_extraction): Use SUBREG_BYTE.
580 (if_then_else_cond): Use SUBREG_BYTE.
581 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
582 (gen_lowpart_for_combine): Compute full byte offset.
583 * cse.c (mention_regs): Use SUBREG_BYTE.
584 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
585 (canon_hash): Use SUBREG_BYTE.
586 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
587 (gen_lowpart_if_possible): Formatting.
588 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
590 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
591 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
592 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
593 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
594 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
595 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
596 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
597 certain invariants about SUBREGs the compiler creates.
598 (gen_lowpart_SUBREG): New function.
599 (subreg_hard_regno): New function to get the final register number.
600 (gen_lowpart_common): Use SUBREG_BYTE.
601 (gen_imagpart): Spacing nits.
602 (subreg_realpart_p): Use SUBREG_BYTE.
603 (gen_highpart): Use SUBREG_BYTE.
604 (subreg_lowpart_p): Always compute endian corrected goal offset,
605 even at the byte level, then compare against that.
606 (constant_subword): New function, pulled out all constant cases
607 from operand_subword and changed second argument name to offset.
608 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
609 and call constant_subword to do the work. Return const0_rtx if
610 looking for a word outside of OP.
611 (operand_subword_force): Change second arg name to offset.
612 * expmed.c (store_bit_field): Use SUBREG_BYTE.
613 (store_split_bit_field): Use SUBREG_BYTE.
614 (extract_bit_field): Use SUBREG_BYTE.
615 (extract_split_bit_field): Use SUBREG_BYTE.
616 (expand_shift): Use SUBREG_BYTE.
617 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
618 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
619 * flow.c (set_noop_p): Use SUBREG_BYTE.
620 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
621 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
622 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
624 (optimize_bit_field): Use SUBREG_BYTE.
625 (purge_addressof_1): Use SUBREG_BYTE.
626 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
627 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
628 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
629 * gengenrtl.c (special_rtx): Add SUBREG.
630 * global.c (mark_reg_store): Use SUBREG_BYTE.
631 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
632 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
633 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
634 final byte offset is congruent to subreg's mode size.
635 (subst_constants): Use SUBREG_BYTE.
636 (mark_stores): Use subreg_regno_offset function.
637 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
638 function and SUBREG_BYTE.
639 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
640 (reg_is_born): Use subreg_hard_regno.
641 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
642 endian correction code. Don't combine subregs unless resulting
643 offset aligns with type. Fix subreg constant extraction for DImode.
644 Simplify SUBREG of VOIDmode CONST_DOUBLE.
645 (general_operand): Remove dead mode_altering_drug code.
646 (indirect_operand): Use SUBREG_BYTE.
647 (constrain_operands): Use subreg_regno_offset function.
648 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
649 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
650 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
651 * regs.h (REG_SIZE): Allow target to override.
652 (REGMODE_NATURAL_SIZE): New macro which target can override.
653 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
654 on the entire subreg rtx.
655 (push_reload): Use SUBREG_BYTE in comments and code.
656 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
657 for hard registers inside subregs.
658 (operands_match_p): Use subreg_regno_offset.
659 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
660 containing hard regs.
661 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
662 corrections when fixing up MEM subregs.
663 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
664 subreg_regno_offset where appropriate.
665 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
666 byte endian corrections when fixing up MEM subregs.
667 (subst_reloads): When combining two subregs, make sure final
668 offset is congruent to subreg's mode size.
669 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
670 (refers_to_regno_for_reload_p): Use subreg_regno.
671 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
672 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
673 correction code for memory subreg fixups.
674 (forget_old_reload_1): Use subreg_regno_offset.
675 (choose_reload_regs): Use subreg_regno.
676 (emit_input_reload_insns): Use SUBREG_BYTE.
677 (reload_combine_note_store): Use subreg_regno_offset.
678 (move2add_note_store): Use subreg_regno_offset.
679 * resource.c (update_live_status, mark_referenced_resources): Use
680 subreg_regno function.
681 (mark_set_resources): Use subreg_regno function.
682 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
683 (subreg_regno_offset, subreg_regno): Define prototypes.
684 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
685 (gen_lowpart_SUBREG): Add prototype.
686 * rtl.texi (subreg): Update to reflect new byte offset representation.
687 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
688 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
689 (reg_overlap_mentioned_p): Use subreg_regno.
690 (replace_regs); Make sure final offset of combined subreg is
691 congruent to size of subreg's mode.
692 (subreg_regno_offset): New function.
693 (subreg_regno): New function.
694 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
695 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
696 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
697 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
698 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
699 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
700 (a29k_get_reloaded_address): Use SUBREG_BYTE.
701 (print_operand): Use SUBREG_BYTE.
702 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
703 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
704 (arm_reload_out_hi): Use SUBREG_BYTE.
705 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
706 instead of SUBREG_WORD.
707 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
708 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
709 SUBREG creation to use byte offset.
710 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
711 inverted load insns): Fix explicit rtl subregs to use byte
713 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
714 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
715 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
716 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
718 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
719 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
720 offsets, also make sure it is congruent to SUBREG's mode size.
721 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
722 unnamed ldob insn): Generate SUBREGs with byte offset.
723 (zero_extendqihi2): SUBREG's are byte offsets.
724 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
725 (m68hc11_gen_highpart): Use SUBREG_BYTE.
726 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
727 zero-extendqisi2): Generate SUBREGs with byte offset.
728 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
729 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
730 subregs in rtl to use byte offsets.
731 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
732 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
733 (mips_move_2words): Use subreg_regno_offset.
734 (mips_secondary_reload_class): Use subreg_regno_offset.
735 * config/mips/mips.md (DImode plus, minus, move, and logical op
736 splits): Fixup explicit subregs in rtl to use byte offsets.
737 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
738 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
739 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
740 rtl to use byte offsets.
741 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
742 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
743 subregs to use byte offsets.
744 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
745 Fixup explicit subregs in rtl to use byte offsets.
746 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
747 and remove byte endian correction code.
748 * config/sh/sh.c (output_movedouble): Use subreg_regno.
749 (gen_ashift_hi): Use SUBREG_BYTE.
750 (regs_used): Use subreg_regno_offset.
751 (machine_dependent_reorg): Use subreg_regno_offset.
752 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
753 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
754 (movdf_i4): Subregs are byte offsets now.
755 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
756 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
757 (REGMODE_NATURAL_SIZE): Override.
758 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
759 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
761 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
762 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
763 extendqidi2): Generate SUBREGs with byte offsets, also make sure
764 it is congruent to SUBREG's mode size.
765 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
767 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
768 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
769 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
770 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
771 * config/v850/v850.c (print_operand, output_move_double): Use
772 subreg_regno function.
774 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
776 * configure.in (target_subdir): Use target_alias, not target.
777 * configure: Rebuilt.
779 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
781 * config/sh/crti.asm: Fix typos in comments.
783 2001-04-03 Alan Modra <alan@linuxcare.com.au>
785 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
786 TARGET_FAST_INDIRECT_CALLS.
787 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
789 (return_addr_rtx): Short circuit export stub matching when
790 TARGET_NO_SPACE_REGS.
791 (output_millicode_call): For out of range calls, make -fPIC
792 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
793 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
794 * pa.md: Modify length attr calculation of all millicode insns to
797 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
799 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
800 Require at least 2.11 in the version test. Specifically check
801 for and reject GAS version 2.10.90.
802 * configure: regenerate.
804 2001-04-03 Alan Modra <alan@linuxcare.com.au>
806 * pa.c (override_options): Remove PIC profiling warning.
807 (hp_profile_labelno): Delete.
808 (hp_profile_label_rtx): Delete.
809 (hp_profile_label_name): Delete.
810 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
811 (output_function_prologue): Remove profiling code and all tests on
812 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
813 merge_sp_adjust_with_store can work for PIC and profiling.
814 (hppa_expand_epilogue): Remove profile_flag test.
815 (hppa_can_use_return_insn_p): Likewise.
816 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
817 cater for PROFILE_HOOK.
818 (hppa_profile_hook): New function.
819 * pa.h (FUNCTION_PROFILER): Now does nothing.
820 (PROFILE_HOOK): Define.
821 (hppa_profile_hook): Declare.
822 (PROFILE_BEFORE_PROLOGUE): Delete.
823 (ASM_OUTPUT_REG_PUSH): Delete.
824 (ASM_OUTPUT_REG_POP): Delete.
825 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
826 r24. Accept function name operand, and use this and a locally
827 generated label to calculate pc-rel offset to func start.
829 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
831 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
832 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
835 2001-04-03 Alan Modra <alan@linuxcare.com.au>
837 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
838 LO_SUM cases to where they belong.
840 2001-04-02 Richard Henderson <rth@redhat.com>
842 * except.h (lang_eh_type_covers): Mark extern.
843 (lang_eh_runtime_type): Likewise.
845 2001-04-02 Zack Weinberg <zackw@stanford.edu>
847 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
848 gengenrtl.c: Wrap generated header in multiple-include guard.
849 Improve error checking.
851 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
853 * configure.in: Don't check for putenv.
854 * configure: Regenerate.
855 * gcc.c (putenv): Don't define.
856 * vax/xm-vms.h: Handle putenv.
858 2001-04-02 Jakub Jelinek <jakub@redhat.com>
860 * ifcvt.c (noce_emit_move_insn): New.
861 (noce_try_store_flag, noce_try_store_flag_constants,
862 noce_try_store_flag_inc, noce_try_store_flag_mask,
863 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
864 noce_try_abs): Use it.
865 (noce_process_if_block): Likewise.
866 For STRICT_LOW_PART, take mode from its SUBREG.
868 2001-04-02 Jakub Jelinek <jakub@redhat.com>
870 * fold-const.c (fold): Before optimizing unsigned comparison with
871 0x7fffffffU, make sure arg0 is integral type.
873 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
875 * c-tree.texi: Document representation of wide strings.
877 2001-04-01 Richard Henderson <rth@redhat.com>
879 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
881 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
883 * i386.md: remove obsoleted comments.
884 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
885 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
888 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
890 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
892 2001-03-30 Bernd Schmidt <bernds@redhat.com>
894 * loop.c (load_mems): When generating a load from a pseudo, update
897 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
899 * i386.c (ix86_split_long_move): Use change address to compensate
900 stack pointer change in push instruction.
902 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
904 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
905 instead of rtx_equal_p; fix the output template.
907 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
909 * i386.c (ix86_expand_setcc): Support 64bit.
910 (ix86_expand_int_movcc): Likewise.
911 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
914 * i386.md (allocate_stack_worker): Turn to expander.
915 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
917 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
919 2001-03-29 Richard Henderson <rth@redhat.com>
921 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
923 2001-03-28 Matthew Hiller <hiller@redhat.com>
925 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
928 * MAINTAINERS: Added self.
930 2001-03-28 Richard Henderson <rth@redhat.com>
932 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
933 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
935 2001-03-28 Jim Wilson <wilson@redhat.com>
937 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
940 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
942 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
944 * tradcif.y (yyerror): Likewise. Add format specifier in call to
947 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
949 2001-03-28 DJ Delorie <dj@redhat.com>
951 * Makefile.in (stage1_build): Revert CFLAGS patch.
953 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
955 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
956 when multiplier or multiplicand is zero.
958 2001-03-28 Bernd Schmidt <bernds@redhat.com>
960 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
962 * config/ia64/ia64.c (update_set_flags): New function, broken out of
964 (set_src_needs_barrier): Likewise.
965 (rtx_needs_barrier): For SET case, use these two functions. Rework
966 PARALLEL case to handle all inputs before all outputs.
967 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
968 saw a label and no stop bit since then.
969 (maybe_rotate, process_epilogue): Add prototypes.
971 2001-03-28 Richard Henderson <rth@redhat.com>
973 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
974 not TARGET_TOC for special toc restore handling.
975 * config/rs6000/rs6000.md (eh_return): Likewise.
977 2001-03-28 Richard Henderson <rth@redhat.com>
979 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
980 current_function_calls_eh_return.
981 (output_function_epilogue): Handle eh_return.
982 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
983 (EH_RETURN_DATA_REGNO): New.
984 (EH_RETURN_STACKADJ_RTX): New.
985 (EH_RETURN_HANDLER_RTX): New.
986 * config/sparc/sparc.md (call/short branch peepholes): Check
987 can_throw_internal instead of in_same_eh_region.
989 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
990 for eh_return data registers.
991 (rs6000_emit_prologue): Save eh_return data registers.
992 (rs6000_emit_epilogue): Force inline restores if eh_return.
993 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
994 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
995 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
996 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
998 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
999 (return_eh_si, return_eh_di): Remove.
1000 (eh_return): New, from corpse of eh_epilogue.
1001 (eh_set_lr_si, eh_set_lr_di): New.
1003 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1004 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1005 True for pic register if current_function_calls_eh_return.
1006 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1007 Handle eh_return requirements.
1008 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1009 (EH_RETURN_STACKADJ_RTX): New.
1010 * config/i386/i386.md (exception_receiver): Remove.
1011 (eh_return, eh_return_1): New.
1012 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1014 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1015 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1016 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1017 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1018 (EH_RETURN_DATA_REGNO): New.
1019 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1020 * config/alpha/alpha.md (eh_epilogue): Remove.
1021 (exception_receiver): Use $26 for ldgp input.
1022 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1024 2001-03-28 Richard Henderson <rth@redhat.com>
1026 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1027 * except.h: Likewise.
1029 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1030 (LIB2ADDEHDEP): New.
1031 (LIB2FUNCS_EH): Remove.
1032 (LIB2ADD): Remove LIB2ADDEH.
1033 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1034 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1035 (crt{begin,end}[S].o): Likewise.
1036 (except.o): Update includes.
1037 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1038 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1040 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1041 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1042 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1043 * builtins.c (expand_builtin): Implement it.
1044 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1045 * c-common.c (c_common_nodes_and_builtins): Declare it.
1046 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1047 * calls.c (libfunc_nothrow): Remove.
1048 (emit_library_call_value_1): Don't call it.
1049 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1050 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1051 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1052 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1053 (current_funcdef_number): Globalize.
1054 (output_call_frame_info): Emit frame data if an lsda is needed.
1055 Generate augmentation for personality routine. Don't play with
1057 (dwarf2out_begin_prologue): Record funcdef_number.
1058 * dwarf2out.h (current_funcdef_number): Declare.
1059 * expr.c (expand_expr): Update for except.h name changes.
1060 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1061 * expr.h (LTI_throw, LTI_rethrow): Remove.
1062 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1063 (LTI_eh_rtime_match): Remove.
1064 (LTI_unwind_resume, LTI_eh_personality): Add.
1065 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1066 * final.c (final): Don't call check_exception_handler_labels,
1067 init_insn_eh_region, or free_insn_eh_region.
1068 (final_scan_insn): Always emit debug labels for
1069 NOTE_INSN_EH_REGION notes.
1070 * flags.h (flag_new_exceptions): Remove.
1071 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1072 (record_active_eh_regions): Remove.
1073 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1074 Use can_throw_internal.
1075 (find_basic_blocks_1): Likewise.
1076 (move_stray_eh_region_notes): Remove.
1077 (find_label_refs): No eh_return_stub_label.
1078 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1079 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1081 (delete_unreachable_blocks): Don't track deleted handlers.
1082 (flow_delete_block): Use maybe_remove_eh_handler.
1083 (delete_eh_regions): Remove.
1084 (merge_blocks): Don't check for eh region match.
1085 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1086 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1087 (init_propagate_block_info): Disable dead frame store optimization
1088 when current_function_calls_eh_return.
1089 (dump_bb): Don't print eh_beg, eh_end.
1090 * function.c (fixup_var_refs): No catch_clauses.
1091 (expand_function_end): Likewise. Call expand_eh_return before
1092 the return register use. Call sjlj_emit_function_exit_after.
1093 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1094 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1095 * ifcvt.c (dead_or_predicable): Remove eh region check.
1096 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1097 Don't check for EH vs parameters.
1098 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1099 (expand_inline_function): Call duplicate_eh_regions.
1100 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1101 (copy_insn_notes): Remap REG_EH_REGION notes.
1102 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1103 * integrate.h (struct inline_remap): Add local_return_label.
1104 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1105 check_exception_handler_labels, nor exception_optimize.
1106 (find_cross_jump): No EH region check.
1107 * optabs.c (init_optabs): Update for changed eh libfuncs.
1108 * rtl.def (RESX): New.
1109 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1110 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1111 checks. Update for except.h name changes.
1112 (expand_cleanups): Likewise.
1113 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1114 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1115 (compile_file): Call init_eh before init_optabs. Don't
1116 output_exception_table here.
1117 (rest_of_compilation): Call convert_from_eh_region_ranges,
1118 convert_to_eh_region_ranges, output_function_exception_table.
1119 Don't emit_eh_context.
1120 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1121 (EXC_PTR_EXPR): New.
1123 * md.texi (eh_epilogue): Remove.
1124 (eh_return): Document.
1125 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1126 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1128 * eh-common.h: Remove file.
1129 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1130 * libgcc2.c (L_eh): Remove.
1132 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1133 * unwind-dw2-fde.h: New file.
1134 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1135 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1136 * libgcc-std.ver: Update for eh symbols.
1138 2001-03-27 Richard Henderson <rth@redhat.com>
1140 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1141 reduce false positives.
1142 (regmove_optimize): Disable if flag_non_call_exceptions.
1144 * stmt.c (expand_return): Remove always true predicate.
1145 (expand_decl_cleanup_no_eh): Remove dead code.
1147 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1148 barrier code. Add a scheduling barrier if a non-call insn
1149 can throw internally.
1151 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1152 Auto-inc addresses trap only if their base register does.
1154 * except.c (can_throw_internal): Rename from can_throw.
1155 * except.h, resource.c: Update references.
1157 * integrate.c (copy_insn_list): Use returnjump_p.
1158 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1160 * function.h (struct function): Move all boolean valued fields
1161 to single bit fields at the end of the struct.
1163 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1165 Rename asynchronous_exceptions to flag_non_call_exceptions.
1167 * gthr-single.h (UNUSED): New. Distinguish between how C
1168 and C++ mark unused function arguments. Use throughout.
1170 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1171 value to target configuration header.
1172 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1173 * config.in, configure: Rebuild.
1174 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1175 configuration and target defines.
1176 (exceptions_via_longjmp): Remove.
1177 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1178 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1180 * except.h (flag_non_call_exceptions): Move ...
1181 * flags.h: ... here.
1183 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1184 exceptions, put the note on the trapping instruction.
1186 * flags.h (flag_new_exceptions): Remove.
1187 * toplev.c: Don't set it.
1188 * final.c: Don't check it.
1189 * except.c: Provide stub definition.
1191 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1192 (calculate_global_regs_live): Kill call-clobbered registers
1193 across exception edges.
1194 * reg-stack.c (convert_regs_1): Kill the entire target stack
1195 across non-call exception edges.
1197 * flow.c (cleanup_cfg): Take no argument.
1198 * output.h, sibcall.c, toplev.c: Update all calls.
1200 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1202 * configure.in: Don't check for bcopy.
1203 * configure, config.in: Regenerate.
1205 * system.h: Don't define or prototype bcopy, instead poison it.
1207 2001-03-27 Richard Henderson <rth@redhat.com>
1209 * function.c (expand_function_start): Set DECL_REGISTER on
1210 a pseudo used for DECL_RESULT.
1212 * rtl.h (LCT_NORETURN): New.
1213 * calls.c (emit_library_call_value_1): Handle it.
1215 2001-03-27 Stan Shebs <shebs@apple.com>
1217 * objc/objc-act.c (objc_init): Use dump_base_name.
1218 (gen_declaration): Clear the buffer arg.
1219 (gen_declaration_1): New function, body of gen_declaration.
1220 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1221 (gen_method_decl): Ditto, plus always clear buffer arg.
1222 (error_with_ivar): Simplify.
1223 (warn_with_method): Ditto.
1224 (build_message_expr): Don't clear buffers.
1225 (dump_interface): Ditto.
1226 (objc_debug): Ditto.
1227 (build_keyword_selector): Clear the buffer by only zeroing
1229 (objc_implementation_context): Declare.
1230 (start_class): Warn about missing @end.
1231 (finish_objc): Ditto.
1233 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1235 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1237 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1239 * Makefile.in (SYSTEM_H): Define.
1240 Depend on $(SYSTEM_H), not system.h.
1242 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1244 2001-03-27 Jim Wilson <wilson@redhat.com>
1246 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1248 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1249 (process_epilogue): New static function.
1250 (process_set): Call process_epilogue instead of emitting .restore
1252 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1254 * flow.c (struct reg_cond_life_info): New fields orig_condition
1256 (init_propagate_block_info): Set new fields.
1257 (mark_regno_cond_dead): Set and use new fields.
1258 (flush_reg_cond_reg_1): Likewise.
1259 (and_reg_cond, case AND): Check for redundant AND conditions.
1260 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1263 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1265 * cppmacro.c (stringify_arg): Null terminate strings.
1267 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1269 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1270 inclusion style. xm-m68hc11.h no longer exists.
1271 * config/m68hc11/xm-m68hc11.h: Delete file.
1272 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1274 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1275 Don't define GCC_VERSION, N_, or PARAMS; don't include
1276 gansidecl.h or stdio.h. Define inhibit_libc here.
1277 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1278 Delete code conditioned on #if GCC_VERSION == 2095.
1280 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1281 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1282 Delete code conditioned on #if GCC_VERSION == 2095.
1284 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1286 * system.h: Include symcat.h.
1287 (STRINGIFY): Don't define.
1289 * configure.in: Adjust comment.
1291 * builtins.c: Use STRINGX, not STRINGIFY.
1292 * gencheck.c: Likewise.
1293 * gengenrtl.c: Likewise.
1294 * protoize.c: Likewise.
1296 * cpplex.c: Don't include symcat.h.
1297 * cpplib.c: Likewise.
1299 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1301 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1303 * c-typeck.c (digest_init): Fold init expression.
1305 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1307 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1309 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1311 * except.c (eh_regs): Save results of build_pointer_type to a temp
1312 as FUNCTION_VALUE macro may evaluate its args multiple times.
1314 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1316 * c-common.h (DECL_NUM_STMTS): New macro.
1317 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1319 (pushdecl): Likewise.
1320 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1321 * integrate.c (expand_inline_function): Don't check
1323 * print-tree.c (print_node): Don't print it.
1324 * toplev.c (rest_of_compilation): Don't try to inline when
1325 flag_no_inline is on.
1326 * tree.h (DECL_FRAME_SIZE): Remove.
1327 (tree_decl): Adjust accordingly.
1329 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1331 * combine.c (try_combine): Use memcpy, not bcopy.
1333 * genattrtab.c (expand_units): Likewise.
1335 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1337 * i386.md (push mem DI peep2): New.
1338 (mov 0, mov -1 peep2): Handle 64bit.
1339 (lea to arithmetics peep2): Handle 64bit leas.
1340 (rsp arithmetics to push/pop peep2s): New.
1342 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1344 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1346 * i386.c (struct machine_function): Add save_varrargs_registers.
1347 (ix86_save_varrargs_registers): New macro.
1348 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1349 (ix86_expand_prologue): Likewise.
1350 (ix86_emit_epilogue_esp_adjustement): Likewise.
1351 (ix86_expand_epilogue): Likewise.
1352 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1353 (pro_epilogue_adjust_stack_1): New insn.
1354 (pro_epilogue_adjust_stack_rex64): Likewise.
1355 * i386.h (MASK_NO_RED_ZONE): New constant.
1356 (TARGET_RED_ZONE): New macro.
1357 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1358 (RED_ZONE_SIZE): New constant.
1359 (RED_ZONE_RESERVE): New constant.
1361 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1365 2001-03-25 Kazu Hirata <kazu@hxi.com>
1367 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1370 (umodhi3): Likewise.
1373 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1375 * mkconfig.sh (DEFINES): Handle entries with '='.
1377 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1378 Set xm_defines to MACRO=value instead.
1380 * i370/xm-mvs.h: Delete.
1382 * ns32k/xm-pc532-min.h: Likewise.
1384 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1386 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1388 use ix86_expand_binary_operator
1389 (?sh??i_?): Disable for 64bit.
1390 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1391 * i386.c (shiftdi_operand): New predicate.
1393 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1394 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1395 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1396 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1397 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1398 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1399 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1400 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1401 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1402 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1403 (rotldi3, rotrdi3): New expanders.
1405 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1407 * i386.md (movstrsi): Move offline.
1409 (strmovdi_rex64): New.
1410 (strmov?i): Accept 64bit.
1411 (strmov?i_rex64): New.
1412 (strmov?i_rex_1): New.
1413 (strmov?i_1): Disable for 64bit.
1414 (rep_mov?i_rex64): New.
1415 (rep_mov?i): Disable for 64bit.
1416 (clrstrsi): Move offline.
1417 (strset?i_rex64): New.
1418 (strset?i: Accept 64bit.
1419 (rep_stos?i): Disable for 64bit.
1420 (rep_stos?i_rex64): New.
1421 (strset?i_rex_1): New.
1422 (strset?i_1): Disable for 64bit.
1423 (cmpstrsi): Accept 64bit.
1424 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1425 (cmpstrqi_nz_rex_1): New.
1426 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1427 (strlensi): Move offline.
1429 (strlenqi_1): Disable for 64bit; fix constraints.
1430 (strlenqi_rex_1): New.
1431 * i386.c (ix86_adjust_counter): New static function.
1432 (ix86_zero_extend_to_Pmode): Likewise.
1433 (ix86_expand_aligntest): Likweise.
1434 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1435 (ix86_expand_movstr): New global function.
1436 (ix86_expand_clrstr): New global function.
1437 (ix86_expand_strlen): New global function.
1438 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1439 ix86_expand_strlen): Declare.
1440 (ix86_expand_strlensi_unroll_1): Delete.
1442 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1444 * i386.md (cmpdi): Fix operand predicates.
1445 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1446 cmpdi_1_insn_rex64): New patterns.
1447 (adddi3): Turn to expander.
1448 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1449 (addsi3_carry_zext): New pattern.
1450 (adddi_?_rex64): New patterns and splitters.
1451 (addsi_?_zext): New patterns.
1452 (subsi3_carry_zext): New pattern.
1453 (subdi_?_rex64): New patterns and splitters.
1454 (iorsi_?_zext): New patterns.
1455 (iordi_?_rex64): New patterns and splitters.
1456 (iorsi_?_zext): New patterns.
1457 (iorsi_?_zext_imm): New patterns.
1458 (xorsi_?_zext): New patterns.
1459 (xordi_?_rex64): New patterns and splitters.
1460 (xorsi_?_zext): New patterns.
1461 (negdi*): New patterns.
1462 (one_cmpldi*): Likewise.
1463 (one_cmplsi*_zext, negsi*_zext): Likewise.
1464 (testqi_ext_3_rex64): New pattern.
1466 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1468 * i386-protos.h (ix86_split_long_move): Return void.
1469 * i386.c (ix86_split_to_parts): Handle 64bit target.
1470 (ix86_split_long_move): Likewise.
1471 * i386.md (all calls to ix86_split_long_move): Update.
1473 2001-03-23 Richard Henderson <rth@redhat.com>
1475 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1476 to avoid shadowing arguments.
1478 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1480 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1481 to variable names where DECL_NAME is different from
1482 DECL_ASSEMBLER_NAME.
1484 2001-03-23 Jim Wilson <wilson@redhat.com>
1486 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1487 (assemble_alias): Call make_decl_rtl.
1489 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1491 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1493 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1495 * extend.texi: Document the "java_interface" attribute.
1497 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1499 * mkconfig.sh: Use a subshell with redirected stdout,
1500 instead of closing stdout and confusing commands that run
1501 afterward. Throw away output of cmp.
1503 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1505 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1507 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1509 * i386.md (zero_extendsidi2_32): Break out from ...
1510 (zero_extendsidi2): ... here ; turn to expander.
1511 (zero_extendsidi2_rex64): New.
1512 (extendsidi2_32): Break out from ...
1513 (extendsidi2): ... here ; turn to expander.
1514 (extendsidi2_rex64): New.
1515 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1516 (trunc?f?f splitters): Add 64bit versions.
1518 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1520 * i386.md (pushsi, pushsi2_prologue): Disable.
1521 (pushsi2_rex64): New.
1522 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1523 (movqi_ext_1): Disable for 64bit.
1524 (movqi_ext_1_rex64): New.
1525 (pushdi2_rex64): New pattern, peep2s and splitter.
1526 (pushdi2_prologue_rex64): New pattern.
1527 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1529 (movdi splitters): Disable for 64bit.
1530 (movdi_1_rex64): New pattern, peep2s and splitters.
1531 (swapdi): New pattern.
1532 (pushsf): Disable for 64bit.
1533 (pushsf_rex64): New pattern and splitter.
1534 (pushdf_nointeger): Disable for 64bit.
1535 (pushdf_integer): Handle the 64bit case.
1536 (pushtf): Likewise; update splitters.
1538 2001-03-22 Richard Henderson <rth@redhat.com>
1540 * mkconfig.sh: Include insn-flags.h.
1541 * Makefile.in (CONFIG_H): Include insn-flags.h.
1542 (lots of objects): Remove insn-codes.h and insn-flags.h.
1544 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1545 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1546 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1547 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1548 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1549 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1550 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1551 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1552 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1553 v850/v850.c, vax/vax.c:
1554 Don't include insn-flags.h.
1556 * diagnostic.c, expr.h, reload.c, toplev.c:
1557 Don't include insn-codes.h.
1559 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1560 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1561 c4x/c4x.c, i960/i960.c, mips/mips.c:
1562 Don't include insn-codes.h or insn-flags.h.
1564 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1565 or insn-flags.h in the generated code.
1566 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1567 (main): Forward declare struct rtx_def.
1569 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1571 * invoke.texi (-ffast-math): Remove duplicate line about
1574 * gcc.texi: Remove more obsolete documentation of bugs and
1575 installation problems.
1577 2001-03-21 Kazu Hirata <kazu@hxi.com>
1579 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1582 2001-03-20 Jason Merrill <jason@redhat.com>
1584 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1586 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1587 * varasm.c (CHKR_PREFIX): Likewise.
1589 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1591 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1592 is part of a multi-SET insn.
1594 * cse.c (find_comparison_args): Remove previous change.
1595 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1598 * config/i386/i386.md (conditional_trap): Remove warning.
1600 * recog.c (push_operand): Fix error in last change that caused
1601 undefined symbol on many targets.
1603 * sdbout.c: #include ggc.h.
1604 (sdbout_init): Move to end of file.
1605 Call ggc_add_tree_root for anonymous_types.
1606 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1607 (sdbout_one_type): Use DECL_NAME for field name.
1608 * Makefile.in (sdbout.o): Show includes ggc.h.
1610 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1612 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1613 (override_options): Use properlimits for preferred_stack_boundary.
1614 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1616 (ext_register_operand): Accept DImode.
1617 (load_pic_register): Abort on 64bit.
1618 (gen_push): Use Pmode instead of SImode.
1619 (ix86_save_reg): Pic reg is never used on 64bit.
1620 (ix86_expand_prologue): Likewise.
1621 (ix86_emit_save_regs): Use Pmode instead of SImode.
1622 (legitimate_address_p): Check displacement for 64bit.
1623 (print_operand): Avoid outputting of (%rip) on 64bit.
1624 (print_operand_address): Output (%rip) where possible.
1625 (split_di): Abort on 64bit registers.
1626 (ix86_expand_branch): DImode comparison is simple for x86_64.
1627 (memory_address_length): Recognize memory addresses formed using
1629 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1631 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1633 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1635 * recog.c (push_operand): Recognize new format of push instructions.
1637 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1639 * i386.md (pushqi1): New.
1640 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1641 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1642 x86_64_immediate_operand, x86_64_immediate_operand,
1643 x86_64_zext_immediate_operand): Declare.
1644 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1645 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1646 x86_64_immediate_operand, x86_64_immediate_operand,
1647 x86_64_zext_immediate_operand): define.
1648 * i386.h (PREDICATE_CODES): Add new predicates.
1650 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1652 * i386.md (pophi1, popqi1, pushqi1): Remove.
1654 * expr.c (emit_single_push_insn): New function.
1655 (move_by_pieces): Accept NULL as destination for push instructions.
1656 (gen_push_operand): Kill.
1657 (emit_push_insn): Pass NULL when pushing; avoid updating of
1658 stack_pointer_delta.
1659 * expr.h (gen_push_operand): Kill.
1661 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1663 * rtl.texi (COMPARE): Clarify documentation and reference section
1666 2001-03-20 Stan Shebs <shebs@apple.com>
1668 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1669 (get_object_reference): Ditto.
1670 (error_with_ivar): Use error_with_file_and_line.
1671 (warn_with_method): Use warning_with_file_and_line.
1673 2001-03-20 Tom Tromey <tromey@redhat.com>
1675 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1677 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1679 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1680 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1682 2001-03-20 DJ Delorie <dj@redhat.com>
1684 * Makefile.in (install-libgcc): Pass complete list of variables.
1685 (install-multilib): Ditto.
1687 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1689 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1690 drectve_section, switch_to_section.
1692 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1693 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1694 i386_pe_mark_dllimport.
1696 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1698 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1699 functions i386_pe_*.
1701 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1702 i386_pe_* functions with char * arguments.
1704 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1706 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1708 (movsi_ie): Introduce fpul store.
1710 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1712 * Makefile.in (OBJS): Remove hashtab.o.
1714 2001-03-19 Stan Shebs <shebs@apple.com>
1716 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1717 * c-lang.c (maybe_objc_method_name): Ditto.
1718 * c-tree.h (maybe_objc_method_name): Remove decl.
1720 2001-03-19 Tom Tromey <tromey@redhat.com>
1722 * gcc.c (init_gcc_specs): Fix comment.
1724 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1726 Compute DECL_ASSEMBLER_NAME lazily.
1727 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1728 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1729 (SET_DECL_ASSEMBLER_NAME): Likewise.
1730 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1731 (set_decl_assembler_name): Declare.
1732 (lang_set_decl_assembler_name): Likewise.
1733 * tree.c (lang_set_decl_assembler_name): New variab.e
1734 (set_decl_assembler_name): New function.
1735 (init_obstacks): Set lang_set_decl_assembler_name.
1736 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1737 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1738 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1739 where it's not necessary.
1740 (builtin_function): Likewise.
1741 (finish_decl): Likewise.
1742 * dbxout.c (dbxout_type_methods): Likewise.
1743 * ggc-common.c (ggc_mark_trees): Likewise.
1744 * profile.c (output_func_start_profiler): Likewise.
1745 * varasm.c (make_decl_rtl): Likewise.
1747 * cse.c (find_comparison_args): Update documentation. Fix
1748 mishandling of COMPARE operations.
1750 * tree.def (ABS_EXPR): Add documentation.
1751 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1753 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1755 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1757 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1759 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1760 Remove ia32 linux PIC kludge and move it...
1761 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1763 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1765 * i386.md (absdf2 expander): Fix 64bit case.
1767 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1769 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1771 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1773 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1775 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1777 * README.X11: Remove obsolete file.
1779 2001-03-18 Anthony Green <green@redhat.com>
1781 * config/pj/pj.h: Remove some trailing commas.
1782 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1784 2001-03-18 Richard Henderson <rth@redhat.com>
1786 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1787 * calls.c: ... here.
1788 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1789 defaults for them here.
1791 2001-03-17 Anthony Green <green@redhat.com>
1793 * config/pj/lib1funcs.S: Fix broken comment.
1794 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1797 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1799 * gcc.texi: Remove obsolete information relating to build and
1800 installation problems with enquire or the Pyramid C compiler.
1802 2001-03-17 Richard Henderson <rth@redhat.com>
1804 * dwarf2out.c (queue_reg_save): New.
1805 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1806 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1808 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1809 (cfa, cfa_store, cfa_temp): Make static.
1810 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1812 2001-03-17 Richard Henderson <rth@redhat.com>
1814 * integrate.h (struct inline_remap): Add local_return_label.
1815 * integrate.c (expand_inline_function): Initialize it and emit
1816 it after copy_insn_notes.
1817 (copy_insn_list): Don't store local_return_label here.
1818 (copy_insn_notes): New function split out from copy_insn_list.
1820 2001-03-17 Richard Henderson <rth@redhat.com>
1822 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1823 is generating .debug_line.
1824 (dwarf2out_init): Add main_input_filename to the file table first.
1825 * configure.in (as_dwarf2_debug_line): Test with file number 1
1826 instead of file number 0.
1828 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1830 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1831 (gen_rtx_combine): Deleted; all references changed as appropriate.
1832 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1834 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1836 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1838 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1841 2001-03-16 Jim Wilson <wilson@redhat.com>
1843 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1844 then set it to LOC_REG (79) instead of aborting.
1846 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1848 * gccbug.in: Remove high priority.
1850 2001-03-16 Richard Henerson <rth@redhat.com>
1852 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1853 output with a space instead of deleting it.
1854 * configure: Regenerate.
1856 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1858 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1859 handles the gory details of converting an object file into
1860 something that's safe to grep.
1861 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1862 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1863 newlines at either end of the string we're looking for.
1864 Make 'checking ...' message less stilted.
1865 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1866 ARM in-memory layout and its hypothetical converse. Don't
1867 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1868 HOST_WORDS_BIG_ENDIAN.
1870 * configure.in: Adjust for renamed macro. Move
1871 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1872 * configure, config.in: Regenerate.
1874 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1876 * fixinc/Makefile.in: Set SHELL.
1878 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1880 * fixinc/fixincl.c (fix_with_system): Quote file names before
1881 passing them to shell.
1883 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1885 * Makefile.in: Use fix-header$(build_exeext) instead
1888 2001-03-16 Richard Henderson <rth@redhat.com>
1890 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1891 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1892 (size_of_line_prolog): Remove.
1893 (output_line_info): Compute prologue size via label difference.
1894 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1896 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1897 assembler error when redefining file numbers.
1898 * config.in, configure: Rebuild.
1900 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1901 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1902 (dw2_asm_output_delta_uleb128): Likewise.
1903 (dw2_asm_output_delta_sleb128): Similarly.
1904 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1906 2001-03-16 Michael Meissner <meissner@redhat.com>
1908 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1910 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1912 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1914 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1915 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1916 being unsigned in ISO C and signed in traditional.
1917 (expand_prologue): Ditto.
1918 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1920 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1922 (divsi3,divdi3): Ditto.
1923 (modsi3,moddi3): Ditto.
1924 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1925 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1926 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1929 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1931 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1932 SSE based conditional moves on LTGT/UNEQ conditions;
1933 Canonicalize EQ to NE.
1934 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1935 (sse_mov?fcc_ne): New.
1937 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1939 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1941 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1942 register may be dead.
1944 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1946 * Makefile.in (hash.o): Depend on CONFIG_H.
1948 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1950 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1952 2001-03-15 Richard Henderson <rth@redhat.com>
1954 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1955 (ASM_OUTPUT_DWARF_PCREL): New.
1956 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1958 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1960 * cppfiles.c (stack_include_file): Use MAX of sysp.
1962 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1964 * config.gcc (ia64*-*-hpux*): New case.
1965 * config/ia64/hpux.h: New file for HP-UX support.
1966 * config/ia64/t-hpux: New file for HP-UX support.
1968 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1970 * fixinc/inclhack.def (irix_stdio_va_list): New.
1971 * fixinc/fixincl.x: Rebuilt.
1973 2001-03-15 Richard Henderson <rth@redhat.com>
1975 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1976 if provided by the target.
1977 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1978 (dw2_asm_output_addr): New.
1979 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1980 * dwarf2out.c (output_cfi): Use it for program addresses.
1981 (output_call_frame_info, output_die): Likewise.
1982 (output_aranges, output_line_info): Likewise.
1984 2001-03-15 Bruce Korb <bkorb@gnu.org>
1986 * gcc.c(main): make more rigorous
1987 * collect2.c(main): guard against ignoring SIGCHLD
1988 * protoize.c(main): ditto
1989 * gcc/fixinc/fixincl.c(initialize): ditto
1991 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1993 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1994 (sdbout_parms): Likewise.
1996 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1998 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1999 "widen" a destination that is already wider than a word. Also do
2000 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2002 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2004 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2006 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2008 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2010 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2012 * i960.h (i960_maxbitalignment,
2013 i960_last_maxbitalignment): Declare.
2014 * i960.c (i960_maxbitalignment,
2015 i960_last_maxbitalignment): Make global.
2016 (process_pragma): Delete.
2017 (i960_pr_align, i960_pr_noalign): Move from here ...
2018 * i960-c.c: ... to this new file.
2019 * t-960bare (i960-c.o): New rule.
2020 * t-vxworks960 (i960-c.o): Likewise.
2021 * config.gcc (i960-*-*): Define c_target_objs and
2024 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2026 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2027 without adding in rtx code and mode.
2029 * alias.c (init_alias_analysis): Don't use any rtx whose value
2030 varies as a known value.
2031 Delete a superfluous test.
2033 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2035 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2036 scheduling a stop bit.
2037 (ia64_emit_nops): Correctly handle ASMs.
2039 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2041 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2043 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2045 * cpp.texi: Update documentation for -include and -imacros.
2046 * cppfiles.c (struct include_file): Remove "defined" memeber.
2047 (find_or_create_entry): Make a copy of the file name, and
2049 (open_file): Update to ensure we use the simplified filename.
2050 (stack_include_file): Don't set search_from.
2051 (cpp_included): Don't simplify the path name here.
2052 (find_include_file): New prototype. Call search_from to
2053 get the start of the "" include chain. Don't simplify the
2055 (_cpp_execute_include): New prototype. Move diagnostics to
2056 do_include_common. Update.
2057 (_cpp_pop_file_buffer): Don't set defined.
2058 (search_from): New prototype. Use the preprocessor's cwd
2059 for files included from the command line.
2060 (read_name_map): Don't simplify the pathname here.
2061 * cpphash.h (enum include_type): New.
2062 (struct buffer): Delete search from. New search_cached.
2063 (_cpp_execute_include): Update prototype.
2064 * cppinit.c (do_includes): Use _cpp_execute_include.
2065 * cpplib.c (do_include_common): New function.
2066 (do_include, do_include_next, do_import): Use it.
2068 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2070 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2071 contents of the RTL, to determine the name of the object.
2073 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2075 * tree.h (DECL_RTL): Allocate RTL lazily.
2076 (SET_DECL_RTL): New macro.
2077 (DECL_RTL_SET_P): Likewise.
2078 (COPY_DECL_RTL): Likewise.
2079 (DECL_RTL_IF_SET): Likewise.
2080 * varasm.c (make_decl_rtl): Add assertions about the kind of
2081 declaration we are processing.
2082 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2083 (start_decl): Likewise.
2084 (finish_decl): Likewise.
2085 * c-semantics.c (emit_local_var): Likewise.
2086 * calls.c (expand_call): Likewise.
2087 * dbxout.c (dbxout_symbol): Likewise.
2088 * emit-rtl.c (unshare_all_rtl): Likewise.
2089 (unshare_all_decls): Likewise.
2090 (reset_used_decls): Likewise.
2091 * expr.c (store_constructor): Likewise.
2092 (safe_from_p): Likewise.
2093 (expand_expr): Likewise.
2094 * function.c (put_var_into_stack): Likewise.
2095 (instantiate_decls_1): Likewise.
2096 (assign_parms): Likewise.
2097 (expand_function_start): Likewise.
2098 (expand_function_end): Likewise.
2099 * ggc-common.c (gcc_mark_trees): Likewise.
2100 * integrate.c (function_cannot_inline_p): Likewise.
2101 (copy_decl_for_inlining): Likewise.
2102 (expand_inline_function): Likewise.
2103 (integrate_parm_decls): Likewise.
2104 (integrate_decl_tree): Likewise.
2105 * print-tree.c (print_node): Likewise.
2106 * reg-stack.c (stack_result): Likewise.
2107 * stmt.c (label_rtx): Likewise.
2108 (expand_return): Likewise.
2109 (expand_decl): Likewise.
2110 (expand_decl_cleanup): Likewise.
2111 (expand_anon_union_decl): Likewise.
2112 * toplev.c (check_global_declarations): Likewise.
2113 (rest_of_decl_compilation): Likewise.
2114 * tree.c (simple_cst_equal): Likewise.
2115 * objc/objc-act.c (generate_static_references): Likewise.
2117 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2119 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2120 gcc_AC_C_FLOAT_FORMAT): New macros.
2121 * configure.in: Add AC_PROG_CPP after CC tests;
2122 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2123 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2124 * configure, config.in: Regenerate.
2126 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2127 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2128 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2129 config/i370/xm-linux.h, config/i370/xm-oe.h,
2130 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2131 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2132 config/pa/xm-linux.h, config/pa/xm-pa.h,
2133 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2134 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2135 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2136 config/we32k/xm-we32k.h: Delete.
2138 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2139 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2140 config/vax/xm-vms.h: Don't define any of:
2141 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2143 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2145 * config.gcc: Remove references to deleted files.
2146 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2147 FATAL_EXIT_CODE, which is the same between oe and mvs).
2149 2001-03-14 DJ Delorie <dj@redhat.com>
2150 Vladimir Makarov <vmakarov@redhat.com>
2152 * config/i960/i960.c (i960_function_prologue): Compute size of
2153 frame according to number of registers actually saved there.
2155 2001-03-14 Richard Henderson <rth@redhat.com>
2157 * expr.c (emit_move_insn_1): Fix else if around #endif.
2159 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2162 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2165 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2167 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2168 (override_options): Parse cmodel string.
2169 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2170 * i386.h (TARGET_OPTIONS): Add "cmodel".
2171 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2173 (ix86_cmodel_string, ix86_cmodel): Declare.
2175 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2178 * i386.h (GENERAL_REG_P): Add missing REG_P.
2180 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2182 * configure.in: Use $gcc_cv_as instead of $as.
2183 * configure: Regenerated.
2185 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2187 * cppfiles.c (stack_include_file): Only increase the include
2188 count if we actually process the file properly, as opposed
2189 to treating it as length zero. Only call read_include_file
2190 if not DO_NOT_REREAD. Handle the -H include file output
2192 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2193 (cpp_included, find_include_file): Simplify pathnames after
2194 remapping them. If remapping, don't use the remapped file
2195 name's buffer as our scratch buffer.
2196 (cpp_pop_file_buffer): Replace the multiple include macro
2197 only if it isn't yet set.
2198 (read_name_map): Simplify remapped names when reading in.
2199 (remap_filename): Move code to code path that uses it.
2200 (_cpp_simplify_pathname): Return the input pointer.
2201 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2203 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2205 * expr.c (expand_expr): Revove bogus conditional.
2207 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2209 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2211 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2213 * reg-stack.c (stack_result): Unconditionally use
2214 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2216 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2218 * expr.c (emit_move_insn_1): Split push of complex value when
2219 no suitable push instruction exist.
2221 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2222 instead of QI_REG_P.
2224 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2226 * alias.c (handled_component_p, can_address_p): New functions.
2227 (get_alias_set): Use them.
2229 2001-03-13 Jim Wilson <wilson@redhat.com>
2231 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2232 from 80 in try_locals code.
2233 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2235 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2237 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2238 gcc_AC_C_LONG_LONG): New.
2239 * configure.in: Use them. Probe the size of short, int, long,
2240 and long long/__int64 if we have them. Move all the AC_C_*
2241 checks together, except gcc_AC_C_CHAR_BIT which has to go
2242 after AC_CHECK_HEADERS(limits.h).
2243 Take hwint.h out of host_xm_file and build_xm_file.
2245 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2246 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2247 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2248 Move the HOST_WIDEST_INT setup logic here from system.h.
2249 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2251 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2252 is now handled by hwint.h.
2254 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2255 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2256 config/ia64/xm-ia64.h: Don't define any of:
2257 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2258 HOST_BITS_PER_LONGLONG.
2260 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2261 config/h8300/xm-h8300.h, config/mips/iris6.h,
2262 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2263 config/sparc/xm-sp64.h: Delete.
2264 * config.gcc: Remove references to deleted files.
2266 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2267 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2268 * config/i370/xm-linux.h: Clarify floating-point situation in
2271 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2273 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2274 (find_include_file): Decide here which part of the include
2275 chain to start the search. Complain about an empty include
2276 chain in all cases apart from an abolsute file name.
2277 (_cpp_execute_include): Don't choose the search chain here.
2278 Don't call handle_missing_include in the case of an empty
2280 (_cpp_compare_file_date): Don't choose the search chain here.
2281 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2282 here from _cpp_execute_include. Behave like #include if
2283 we're in the main file.
2285 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2287 * system.h (malloc, realloc, calloc, strdup): Only poison these
2288 tokens when IN_GCC is defined.
2290 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2292 * i386.md (abs?f expander): Support SSE case.
2293 (abd?f_if): Add new "USE"; add splitters.
2295 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2297 * cpp.texi (poison): Explain the macro expansion exception.
2299 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2301 * expr.c (store_expr): Add dont_store_target. If temp is already in
2302 target before copying to reg, don't store it into target again.
2304 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2306 * cppinternals.texi: Update for file handling.
2308 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2310 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2311 2001-02-24 which broke building the Java library.
2312 * function.c (identify_blocks): Likewise.
2313 (all_blocks): Likewise.
2314 * integrate.c (integrate_decl_tree): Likewise.
2315 * print-tree.c (print_node): Likewise.
2316 * tree.h (BLOCK_NUMBER): Likewise.
2317 (struct tree_block): Likewise.
2319 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2321 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2322 __WCHAR_TYPE__ definition.
2323 (WCHAR_TYPE_SIZE): #undef before #define.
2325 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2327 * cppfiles.c: Update comments.
2328 (destroy_include_file_node): Rename destroy_node.
2329 (find_or_create_entry): New function.
2330 (open_file, _cpp_fake_include): Use it.
2331 (handle_missing_header): New function, broken out of
2332 _cpp_execute include. Don't segfault if there is no
2333 system or quoted path.
2334 (_cpp_execute_include): Use handle_missing_header.
2336 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2338 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2339 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2341 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2343 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2344 unless anti_dependence says they are.
2345 * alias.c (objects_must_conflict): If neither has a type specified,
2348 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2349 David Billinghurst <David.Billinghurst@riotinto.com>
2351 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2353 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2355 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2356 (*_one_bit): Remove type on the match_operand in attributes.
2358 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2360 * i386.c: Commit forgotten hunk in previous patch.
2361 (regclass_map): Add extended registers.
2362 (dbx_register_map): Add missing frame register.
2364 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2366 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2368 * i386.md (x86_sahf_1): Disable for 64bit.
2369 (popsi*, pophi*): Likewise.
2370 (pushqi, pushhi): Likewise.
2371 (movdi, pushdi): Likewise.
2372 (zero extend DImode splitter): Likewise.
2373 (adddi, minusdi splitter): Likewise.
2374 (umulsidi): Likewise.
2376 (mulsidi): Disable for 64bit
2377 (lshift:DI/ashift:DI): Disable for 64bit.
2378 (loop patterns): Likewise.
2379 (call_pop, call_value_pop expanders and patterns): Likewise.
2380 (prologue_get_pc): Likewise.
2382 (fcmovDI pattern and splitter): Likewise.
2383 (movdfcc_1_rex64): New.
2385 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2387 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2388 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2389 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2390 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2391 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2392 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2393 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2394 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2395 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2396 (REGPARM_MAX): Set to 6 for x86_64.
2397 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2398 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2401 * (patterns that does use upper halves): Update constraints
2402 'q' to 'Q' and 'r' to 'R'.
2403 (cmpqi_ext_1): Disable for 64bit.
2404 (cmpqi_ext_3_insn): Likewise.
2405 (movqi_extzv_1): Likewsie.
2406 (addqi_ext_1): Liekwsie
2407 (testqi_ext_1): Liekwsie
2408 (andqi_ext_1): Liekwsie
2409 (xorqi_ext_1): Liekwsie
2410 (cmpqi_ext_1_rex64): New.
2411 (cmpqi_ext_3_insn_rex64): Likewise.
2412 (movqi_extzv_1_rex64): Likewsie.
2413 (addqi_ext_1_rex64): Liekwsie
2414 (testqi_ext_1_rex64): Liekwsie
2415 (andqi_ext_1_rex64): Liekwsie
2416 (xorqi_ext_1_rex64): Liekwsie
2418 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2420 * configure.in: Move check for unsigned enumerated bitfields
2421 to macro in aclocal.m4. Disable it for now.
2422 * configure, config.in: Regenerate.
2423 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2424 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2425 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2426 kind above its first use.
2428 * config/xm-interix.h, config/alpha/xm-alpha.h,
2429 config/i370/xm-linux.h, config/i386/xm-beos.h,
2430 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2431 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2432 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2433 Don't define ONLY_INT_FIELDS under any circumstances.
2435 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2437 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2438 config/sparc/xm-sysv4.h: Delete - now identical with some
2440 * config.gcc (hppa targets): Replace xm-pahpux.h and
2441 xm-papro.h with implicit xm-pa.h.
2442 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2445 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2447 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2448 before reload_cse_noop_set_p.
2450 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2452 * config.gcc: Where xm-host.h used to include another
2453 xm-host.h, list the nested header directly in xm_file. Remove
2454 references to deleted files. Can now use sparc/xm-sp64.h for
2457 * config/xm-linux.h, config/arm/xm-linux.h,
2458 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2459 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2460 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2461 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2462 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2465 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2466 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2467 bother to wrap #undef in #ifdef.
2468 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2469 Don't include xm-linux.h.
2470 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2472 * configure.in: Wrap regexps using [] in changequote block.
2473 Use expr : not echo | grep. Simplify regexps.
2474 * configure: Regenerate.
2476 56 xm-files remain, 22 xm-arch.
2478 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2480 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2481 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2482 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2483 (copy_object): Fix format specifier vs argument mismatch.
2485 * mips-tdump.c: Make local functions static.
2486 (rindex): Don't #undef.
2487 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2488 (fatal, fancy_abort): Delete.
2489 (read_seek): Avoid signed/unsigned compare.
2491 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2493 * combine.c (try_combine): Fix error in change to try original
2495 (gen_rtx_combine): Do same as gen_rtx for now.
2497 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2499 * configure.in: AC_SUBST xm_defines.
2500 * configure: Regenerate.
2501 * Makefile.in: Set DEFINES=$(xm_defines) when building
2504 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2506 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2507 (cpp_included, find_include_file): Update.
2508 (_cpp_compare_file_date): Make else unconditional.
2510 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2512 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2514 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2516 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2517 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2519 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2521 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2522 if it's a record type.
2524 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2526 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2527 mingw includes slightly.
2529 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2531 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2532 #undef token before poisoning it.
2534 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2536 * alpha.c (check_float_value): Use memcpy, not bcopy.
2538 * m32r.c (m32r_sched_reorder): Likewise.
2540 * vax.c (check_float_value): Likewise.
2542 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2544 * toplev.c (file_name_nondirectory): Remove.
2545 * toplev.h: Similarly.
2546 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2547 of file_name_nondirectory.
2549 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2551 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2552 * mips-tfile.c: Don't #undef rindex; not used.
2554 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2556 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2557 (dbx64_register_map): Declare.
2558 (RETURN_ADDR_RTX): Fix for 64bit.
2559 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2560 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2561 * i386.c (dbx64_register_map): New global array.
2562 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2563 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2566 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2568 * cppfiles.c (search_from): Use lbasename.
2569 * mkdeps.c (deps_add_default_target): Use lbasename.
2571 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2573 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2574 xcalloc in lieu of malloc, realloc & calloc.
2576 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2578 * gengenrtl.c (xmalloc): Likewise.
2580 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2581 really_call_* memory allocation routines.
2583 * stmt.c (check_for_full_enumeration_handling): Use
2584 really_call_calloc, not calloc.
2586 * system.h (really_call_malloc, really_call_calloc,
2587 really_call_realloc): Define.
2588 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2590 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2592 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2594 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2596 * configure: Rebuilt.
2597 * configure.in: Only use `lang_requires' for languages athat are
2600 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2602 * invoke.texi: Fix typo.
2603 * gcc.1: Regenerate.
2605 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2607 * configure.in: Prune nonexistent files from build_xm_file,
2608 xm_file, and host_xm_file lists. Warn unless they're
2610 Don't generate *config.h here.
2611 AC_SUBST all variables needed to generate *config.h.
2612 * configure: Regenerate.
2613 * mkconfig.sh: New helper script, from code removed from
2615 * Makefile.in: Zap all MALLOC variables - no longer used
2616 anywhere, and malloc.c doesn't exist.
2617 Substitute in variables needed to generate *config.h.
2618 Stop lying about the dependencies contained in CONFIG_H and
2620 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2621 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2622 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2623 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2624 $(TM_P_H), etc. as appropriate.
2626 * config.gcc: Zap references to deleted files.
2627 * ggc-none.c: Don't include rtl.h or tm_p.h.
2629 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2630 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2631 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2632 config/i386/xm-linux.h, config/i386/xm-linux.h,
2633 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2634 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2635 Don't include i386/xm-i386.h.
2637 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2638 config/i386/xm-i386.h, config/i860/xm-i860.h,
2639 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2640 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2641 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2642 Delete (empty except comments, #includes of other deleted
2643 files, and macros used nowhere).
2645 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2647 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2648 independent on TARGET_FLAGS.
2650 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2652 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2654 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2656 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2658 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2659 LAST_REX_SSE_REG): define.
2660 (enum reg_class): Add 'LEGACY_REGS'
2661 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2662 (SSE_REGNO_P): Recognize extended registers.
2663 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2664 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2665 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2666 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2667 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2668 REG_OK_FOR_STRREG_P): Remove.
2669 (HI_REGISTER_NAMES): Add extended registers.
2670 (ADDITIONAL_REGISTER_NAMES): Likewise.
2671 (QI_REGISTER_NAMES): Add 8bit extended registers.
2672 (DEBUG_REG): Support extended registers.
2673 * i386.c (regclass_map): Add extended registers.
2674 (dbx_register-map): Likewise.
2675 (svr4_dbx_register_map): Likewise.
2676 (print_reg): Support extended registers.
2677 (print_operand): Support 64bit operands.
2679 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2681 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2682 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2683 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2684 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2685 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2686 STACK_BOUNDARY): Set properly for 64bits.
2687 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2688 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2689 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2690 (MOVE_MAX): Set to 16.
2691 (MOVE_MAX_PIECES): 8 for 64bit.
2692 (Pmode): Set to SImode.
2694 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2696 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2698 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2700 * i386.h (mask_64bit): New constant.
2701 (target_64bit): New macro.
2702 (target_options): Add '64'/'32'
2703 (target_default): Define.
2704 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2705 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2706 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2708 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2710 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2712 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2714 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2715 LO_SUM unless for_alias is set.
2717 2001-03-08 Stan Shebs <shebs@apple.com>
2719 * objc/objc-act.c: Fix old typos in comments, add comments for
2721 (hash_init): Fix file name in error message.
2722 (hash_enter): Ditto.
2723 (hash_add_attr): Ditto.
2724 (continue_class): Ditto.
2726 2001-03-08 Bruce Korb <bkorb@gnu.org>
2728 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2729 wait4() can receive the signal.
2731 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2733 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2735 * fixinc/fixincl.x: Regenerate.
2737 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2739 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2741 * fixinc/fixincl.x: Regenerate.
2743 2001-03-08 Richard Henderson <rth@redhat.com>
2745 * configure.in (HAVE_AS_LEB128): New assembler check.
2746 * configure, config.in: Rebuilt.
2748 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2750 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2753 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2755 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2756 references to the MAXPATHLEN macro.
2758 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2759 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2762 * config/i386/xm-gnu.h, config/xm-gnu.h,
2763 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2764 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2765 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2766 and/or unused files.
2768 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2769 doing so in various xm-*.h files.
2771 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2773 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2775 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2777 * configure.in (enable_shared): Support per-package shared-library
2779 * configure: Rebuilt.
2781 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2783 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2784 for crnot. Set operands[5] in splitter.
2786 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2788 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2789 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2790 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2791 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2792 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2793 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2794 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2797 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2798 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2799 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2800 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2801 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2802 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2803 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2804 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2805 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2806 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2807 Delete unused and/or empty files.
2809 * config.gcc: Define USG in xm_defines as appropriate. Define
2810 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2811 macro. Remove deleted xm-* files from $xm_files variable.
2813 2001-03-07 Tom Tromey <tromey@redhat.com>
2815 * configure: Rebuilt.
2816 * configure.in: Allow config-lang.in to set `lang_requires' to list
2817 of other required languages.
2819 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2821 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2823 (output_prologue): Use xmalloc not oballoc.
2824 (output_epilog): Free a29k_first_epilogue_insn when finished.
2825 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2827 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2829 * builtins.c (expand_builtin_mathfn): Check
2830 flag_unsafe_math_optimizations, not flag_fast_math.
2831 (expand_builtin): Likewise
2832 * combine.c (combine_simplify_rtx): Likewise.
2833 (simplify_if_then_else): Likewise.
2834 * cse.c (fold_rtx): Likewise.
2835 * flags.h: Remove flag_fast_math. Add
2836 flag_unsafe_math_optimizations and flag_trapping_math.
2837 * fold-const.c (negate_expr): Check
2838 flag_unsafe_math_optimizations, not flag_fast_math.
2839 (invert_truthvalue): Likewise.
2840 (fold): Likewise. Before associating operands, check that
2841 code == MULT_EXPR, not code != MULT_EXPR.
2842 * ifcvt.c (noce_try_minmax): Check
2843 flag_unsafe_math_optimizations, not flag_fast_math.
2844 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2845 * invoke.texi: Document -funsafe-math-optimizations and
2846 -fno-trapping-math. Change documentation for -ffast-math.
2847 * jump.c (reversed_comparison_code_parts): Likewise.
2848 (rtx_equal_for_thread_p): Likewise.
2849 * optabs.c (emit_conditional_move): Likewise.
2850 * simplify-rtx.c (simplify_binary_operation): Likewise.
2851 (simplify_relational_operation): Likewise.
2852 (simplify_ternary_operation): Likewise.
2853 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2854 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2855 Add trapping-math and unsafe-math-optimizations entries to f_options.
2856 (set_fast_math_flags): New, sets flags for -ffast-math.
2857 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2858 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2859 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2861 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2862 (alpha_emit_conditional_move): Initialize local_fast_math to
2863 flag_unsafe_math_optimizations, not flat_fast_math.
2864 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2865 instead of setting flag_fast_math to 1.
2866 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2868 * config/i386/i386.c (override_options): Likewise
2869 * config/i386/i386.md: Likewise.
2870 * config/m68k/m68k.md: Likewise.
2871 * config/mips/mips.md: Likewise.
2872 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2873 (rs6000_generate_compare): Likewise.
2875 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2877 * Makefile.in: Set RANLIB to @RANLIB@.
2880 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2882 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2883 * fixinc/fixincl.x: Regenerated.
2885 2001-03-07 Richard Henderson <rth@redhat.com>
2887 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2889 2001-03-07 Richard Henderson <rth@redhat.com>
2891 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2892 of block notes and exception handling notes.
2894 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2895 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2896 (compile_file): ... here.
2898 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2900 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2902 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2903 config.h now. Include libiberty.h to handle alloca.
2905 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2907 * c-parse.in (yylexname): New function, split out of _yylex.
2908 (objc_rid_sans_at): New table.
2909 (init_reswords): Initialize it.
2910 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2911 retrieving the next token and checking it for significance as
2912 an ObjC keyword or string constant.
2914 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2915 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2917 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2920 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2922 * config/m68k/m68k.c (const_uint32_operand): Accept any
2923 const_int on a 32-bit host.
2925 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2927 * objc/objc-act.c (init_objc): Set save_lang_status,
2928 restore_lang_status, and mark_lang_status.
2930 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2932 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2934 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2936 * cppinternals.texi: Update.
2938 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2940 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2941 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2942 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2943 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2944 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2945 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2946 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2947 config/i386/xm-i386.h, config/i860/xm-i860.h,
2948 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2949 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2950 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2951 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2952 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2953 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2954 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2955 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2956 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2957 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2958 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2959 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2960 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2961 match the defaults provided in hwint.h.
2963 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2964 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2966 * config.gcc (xm_file): Don't set to files which are deleted.
2968 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2969 guard this file against these macros being undefined.
2971 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2973 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2974 and DECL_DEFER_OUTPUT on the decl we create, before calling
2975 rest_of_decl_compilation.
2977 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2979 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2981 * configure, config.in: Regenerate.
2982 * config.gcc: Remove references to deleted files.
2984 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2985 genrecog.c, rtl.c: Do not use alloca anywhere.
2987 * Makefile.in, build-make, system.h, config/x-interix,
2988 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2989 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2990 config/arc/xm-arc.h, config/arm/xm-arm.h,
2991 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2992 config/h8300/xm-h8300.h, config/i370/x-oe,
2993 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2994 config/i386/x-ncr3000, config/i386/x-sco5,
2995 config/i386/xm-dgux.h, config/i860/x-sysv4,
2996 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2997 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2998 config/m68k/x-hp320g, config/m69k/x-mot3300,
2999 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3000 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3001 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3002 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3003 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3004 config/mips/x-iris, config/mips/x-iris3,
3005 config/mips/x-sni-svr4, config/mips/x-sysv,
3006 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3007 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3008 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3009 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3010 config/pa/xm-papro.h, config/romp/xm-romp.h,
3011 config/rs6000/x-aix31, config/rs6000/x-aix41,
3012 config/rs6000/x-beos, config/rs6000/x-lynx,
3013 config/rs6000/x-mach, config/rs6000/x-rs6000,
3014 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3015 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3016 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3017 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3018 config/vax/xm-vms.h: Eradicate all references to alloca and
3021 * config/xm-alloca.h, config/clipper/x-clix,
3022 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3023 config/i860/x-sysv3, config/m88k/x-sysv3,
3024 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3025 (contained only alloca related hacks).
3027 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3030 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3032 * invoke.texi: Document __FAST_MATH__.
3034 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3036 * crtstuff.c: Restore include of auto-host.h.
3038 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3040 Put main() in a separate file, so that the language
3041 front-end can use a different main().
3044 * toplev.c: (main): Rename as toplev_main.
3045 * toplev.h: Declare toplev_main.
3046 * Makefile.in (OBJS): add toplev.o.
3047 (BACKEND): remove toplev.o, add main.o.
3049 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3051 * cppfiles.c (search_from): Special case the empty string.
3053 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3055 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3056 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3057 strlen or strcpy; we already know the length.
3058 (_cpp_compare_file_date): Similarly.
3059 * cpphash.h (struct cpp_reader): Delete done_initialising.
3060 (CPP_PREV_BUFFER): Delete.
3061 * cppinit.c (cpp_start_read): Don't set done_initialising.
3062 * cpplex.c (parse_string): Guarantee null-termination.
3063 (_cpp_equiv_toklists): Remove.
3064 * cpplib.c (glue_header_name): Null-terminate.
3065 (do_line): Don't leak memory.
3066 * cpplib.h (BT_WEAK): Delete.
3067 * cppmain.c (cb_ident): Strings are now null-terminated.
3069 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3071 * gcc.c (convert_filename): Append executable suffix
3072 if NO_AUTO_EXE_SUFFIX is not defined.
3073 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3074 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3076 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3078 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3079 * c-parse.gperf, c-gperf.h: Delete.
3080 (c-gperf.h was accidently re-added to the CVS repo in the rev
3081 1.16 commit by tromey)
3083 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3085 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3086 macro arguments when looking for the '('.
3087 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3088 2 when really parsing arguments; 1 when looking for '('.
3089 Always restore the lexer position.
3091 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3093 * longlong.h (umul_ppmm): Don't use a multiline string.
3095 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3097 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3098 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3099 t_bool in declaration because pcc can't combine volatile with typedef
3102 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3104 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3105 until when it is really needed.
3106 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3107 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3108 * i386.md (float?i?f splitter): Don't force source operand to memory
3110 (sse_movdfcc): Fix constraint.
3111 (sse_movdfcc splitter): Handle properly the second alternative.
3113 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3115 * cpplex.c (parse_string): Unconditionally pedwarn.
3117 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3120 * cppexp.c (parse_number): Update.
3121 * cpplex.c (parse_string): Pedwarn if multiline string does not
3122 result from a system header's macro.
3123 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3124 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3125 for function-like macros too.
3126 * c-lex.c (lex_number): Update.
3128 2001-03-03 Richard Henderson <rth@redhat.com>
3130 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3132 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3134 * combine.c (try_combine): If split with mode-changed scratch
3135 register didn't work, try the original mode.
3137 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3139 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3140 * config/c4x/c4x.h: Likewise.
3141 * stor-layout.c (compute_record_mode): Likewise.
3142 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3144 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3146 * configure.in: Kill tm.h. Include the files in the $tm_file
3147 list in all three of config.h, hconfig.h, tconfig.h, after the
3148 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3149 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3150 * configure: Regenerate.
3151 * Makefile.in (clean): Don't delete tm.h.
3153 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3154 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3155 those are not defined, set SEC and FEC to 0 and 1.
3156 * gcc.texi: Update to match.
3158 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3159 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3160 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3161 Include tconfig.h, not tm.h.
3163 * config/xm-lynx.h, config/xm-std32.h,
3164 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3165 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3166 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3167 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3168 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3169 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3170 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3171 config/i386/xm-i386.h, config/i860/xm-i860.h,
3172 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3173 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3174 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3175 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3176 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3177 config/pa/xm-linux.h, config/pa/xm-pa.h,
3178 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3179 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3180 config/pj/xm-pj.h, config/romp/xm-romp.h,
3181 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3182 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3183 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3184 config/v850/xm-v850.h, config/vax/xm-vax.h,
3185 config/we32k/xm-we32k.h:
3187 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3189 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3190 config/i370/xm-oe.h: Don't include tm.h. Don't define
3192 * config/vax/xm-vms.h: Don't include tm.h.
3194 * config/xm-lynx.h, config/avr/xm-avr.h,
3195 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3196 Delete; made empty by above changes.
3197 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3198 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3199 Don't include config/xm-lynx.h or tm.h.
3201 * config/xm-gnu.h: Don't include fcntl.h.
3202 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3204 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3206 2001-03-02 Richard Henderson <rth@redhat.com>
3208 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3209 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3211 2001-03-02 Richard Henderson <rth@redhat.com>
3213 * Makefile.in (OBJS): Add dwarf2asm.o.
3214 * dwarf2asm.c, dwarf2asm.h: New files.
3215 * dwarf2out.c (*): Use them.
3216 (size_of_uleb128, size_of_sleb128): Remove.
3217 (output_uleb128, output_sleb128): Remove.
3218 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3219 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3220 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3221 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3222 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3223 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3224 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3225 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3226 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3227 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3228 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3229 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3230 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3231 (dwarf2out_frame_debug): Remove unused variables.
3232 (output_loc_operands): Don't abort on 8 byte constants if
3233 host integers are wide enough.
3234 (output_symbolic_ref): Remove.
3235 (size_of_die): Don't assume 4 byte host integers.
3236 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3238 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3239 something stupid with HOST_WIDE_INT to long truncation.
3240 [CONST_DOUBLE]: Likewise.
3242 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3243 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3244 * config/arm/unknown-elf.h: Likewise.
3245 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3246 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3247 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3248 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3249 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3250 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3251 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3252 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3253 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3254 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3255 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3256 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3258 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3260 * cselib.c (hash_rtx): Cast enums to unsigned int.
3262 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3264 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3265 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3267 * c-format.c (C_STD_VER): Cast to int for comparisons.
3268 (check_function_format): Cast various enums to int for &.
3269 (maybe_read_dollar_number): Likewise.
3270 (check_format_info): Likewise.
3271 (check_format_info_main): Likewise.
3272 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3273 (safe_from_p): Likewise.
3274 * varasm.c (const_hash): Cast enum to int for %.
3275 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3276 pcc enum problems with < and ++ operators.
3277 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3278 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3279 (regclass_init): Change enum class to int to iterate over reg_classes.
3280 * genrecog.c (merge_trees): Cast enums for comparison.
3281 * rtl.h (GET_CODE): Cast to enum rtx_code.
3282 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3283 (GET_MODE): Cast to enum machine_mode.
3284 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3285 (GET_NOTE_INSN_NAME): Cast enum to int.
3286 * tree.h (TREE_CODE): Cast to enum tree_code.
3287 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3288 * timevar.c (timevar_print): Change loop variable id from enum to
3290 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3291 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3292 * toplev.c (compile_file): Cast enum DFI to int.
3293 (decode_d_option): Likewise.
3295 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3297 * cppinit.c (append_include_chain): Mark "after" include file name list
3298 as a system directory.
3299 * cpp.texi: Document new behavior.
3301 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3303 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3305 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3307 * cppfiles.c (struct include_file): Update.
3308 (stack_include_file): Use search_from.
3309 (cpp_included, find_include_file): Update.
3310 (cpp_execute_include): Update. ptr->name may not be
3311 null terminated. Use the new search_from member variable
3313 (_cpp_compare_file_date): Similarly.
3314 (search_from): New function, similiar to actual_directory.
3315 (actual_directory): Delete.
3316 (remap_filename): Update. loc->name may not be null terminated.
3317 (struct file_name_list): Rename search_path. Update.
3318 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3319 search_from and dir.
3320 (struct cpp_reader): Remove actual_dirs.
3321 * cppinit.c (struct cpp_pending): Update for renamed objects.
3322 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3323 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3324 * cpplib.h (struct cpp_options): Similarly.
3326 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3328 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3329 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3330 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3331 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3332 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3333 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3334 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3335 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3336 config/i370/xm-oe.h, config/i386/xm-aix.h,
3337 config/i386/xm-i386.h, config/i386/xm-osf.h,
3338 config/i860/xm-i860.h, config/i960/xm-i960.h,
3339 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3340 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3341 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3342 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3343 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3344 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3345 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3346 config/pj/xm-pj.h, config/romp/xm-romp.h,
3347 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3348 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3349 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3350 config/v850/xm-v850.h, config/vax/xm-vax.h,
3351 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3352 Do not define TRUE or FALSE.
3354 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3355 empty by above change.
3356 * config.gcc: Remove references to these files.
3358 * configure.in: Detect stdbool.h.
3359 * configure, config.in: Regenerate.
3360 * system.h: Include stddef.h here if available.
3361 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3362 Then set up a sensible boolean type at the very end.
3364 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3365 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3367 * hash.h: Delete 'boolean' typedef and related #undefs.
3369 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3370 all uses of 'boolean' with 'bool'.
3372 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3374 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3375 * cppexp.c (lex): Cast enums for comparison.
3376 * cppinit.c (parse_option): Cast enum for comparison.
3377 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3378 (cpp_output_token): Likewise.
3379 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3380 (cpp_avoid_paste): Cast enums for minus and comparison.
3382 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3384 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3385 field to all array elements.
3387 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3389 * cpphash.h (struct cpp_reader): Add print_version field.
3390 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3391 just set print_version and other flags as appropriate.
3392 (cpp_post_options): Print version here if print_version is set.
3394 * toplev.c (exit_after_options): New flag.
3395 (independent_decode_option): Don't exit here; just set
3397 (main): Exit after calling lang_hooks.post_options if
3398 exit_after_options is true.
3400 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3401 (merge_include_chains): Adjust comment to match code.
3403 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3405 * stringpool.c (set_identifier): New function.
3406 * tree.h: Prototype it.
3408 * c-parse.in: Kill D_YES. If compiled for objc, call
3409 save_and_forget_protocol_qualifiers from init_reswords.
3410 * objc/objc-act.c (remember_protocol_qualifiers,
3411 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3412 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3414 (save_and_forget_protocol_qualifiers): New function.
3415 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3417 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3419 * c-semantics.c (prune_unused_decls): Return error_mark_node
3420 instead of (tree) 1 to stop traversing the tree chain.
3422 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3424 Fix a problem introduced by Kenner's Feb 18 change.
3425 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3426 flag_cse_skip_blocks only temporarily, not for ever.
3428 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3430 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3431 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3433 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3434 before determining its register class.
3436 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3438 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3439 from reg 4 if current_function_calls_setjmp.
3440 (gen_nop_type): New function.
3441 (ia64_emit_nops): New function.
3442 (ia64_reorg): Call it.
3443 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3445 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3446 code not to try to optimize adds with anything but a REG destination.
3448 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3449 (INSN_PRIORITY_KNOWN): New accessor macro.
3450 * haifa-sched.c (priority): Use it instead of testing priority against
3453 2001-02-28 DJ Delorie <dj@redhat.com>
3455 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3456 since that doesn't work the way gcc wants on a generic m68k.
3458 2001-02-28 Richard Henderson <rth@redhat.com>
3460 * caller-save.c (save_call_clobbered_regs): Fix typo in
3461 comparison last change.
3463 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3465 * i386.c (pentium4_cost): New.
3466 (m_PENT4): New macro.
3467 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3468 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3469 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3470 x86_memory_mismatch_stall): Add Pentium4
3471 (x86_use_q_reg, x86_use_any_reg): Kill.
3472 (override_options): Add pentium4.
3473 (incdec_operand): Return 0 for pentium4.
3474 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3475 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3476 (TARGET_PENTIUM4): Define.
3477 (enum processor_type): Add PROCESSOR_PENTIUM4.
3478 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3479 * i386.md (attribute "cpu"): Add pentium4.
3480 * invoke.texi (march): Add pentium4.
3482 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3484 * i386.md (sse_mov?fcc*): New patterns and splitters.
3485 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3486 the SSE based conditional moves.
3488 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3490 * i386.md (attribute mode): Add "TI".
3491 (movsf_1): Add pxor support; remove constant propagation splitter.
3492 (movdf_integer): Likewise.
3493 (movdf_nointeger): Likewise.
3494 (movxf constant prop splitter): Handle all modes; update for SSE.
3495 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3496 * i386.c (standard_80387_constant_p): Rewrite.
3497 (standard_sse_constant_p): New.
3498 * i386-protos.h (standard_sse_constant_p): New.
3500 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3502 * i386.md (sse_setccsf, sse_setccdf): New.
3503 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3505 * i386.c (sse_comparison_operator): Accept the supported unordered
3506 comparses; be ready for fast_math.
3507 (print_operand): Support 'D'.
3509 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3511 * jump.c (reversed_comparison_code): Kill.
3513 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3515 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3518 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3520 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3521 add missing '%' in constraints.
3523 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3525 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3526 for HOST_BITS_PER_WIDE_INT == 32 too.
3528 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3530 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3532 (insert_save, insert_restore): New parameter save_mode.
3533 (init_caller_save): Update initialization of reg_save_code
3534 and reg_restore_code.
3535 (save_call_clobbered_regs): Compute save_modes and update calls to
3536 reg_save_code and reg_restore_code.
3537 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3538 of spill; update use of reg_restore_code.
3539 (insert_save): Likewise.
3540 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3541 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3542 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3544 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3546 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3547 noce_try_store_flag_inc, noce_try_store_flag_mask,
3548 noce_try_cmove_arith):
3549 Use reversed_comparison_code instead of reverse_comparison and
3550 can_reverse_comparison_p.
3552 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3554 * jump.c (reversed_comparison_code_parts): Allow reversal of
3555 unordered compares in -ffast-math mode; reverse ordered compares
3556 for FP even w/o -ffast-math.
3558 2001-02-27 Richard Henderson <rth@redhat.com>
3560 * print-rtl.c (print_rtx) [i]: Don't print field five on
3561 NOTEs other than NOTE_INSN_DELETED_LABEL.
3563 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3565 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3566 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3568 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3570 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3571 even if walk_subtrees is 0.
3572 * c-semantics.c (prune_unused_decls): Return a non-null value to
3573 stop traversing the tree chain.
3575 2001-02-27 DJ Delorie <dj@redhat.com>
3577 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3578 register, *then* define it as the new CFA.
3580 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3582 * pa.c (override_options): Promote -fpic to -fPIC.
3583 (legitimize_pic_address): Simplify due to removal of
3584 small PIC as a code generation option.
3585 (secondary_reload_class): Similarly.
3586 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3587 (PRINT_OPERAND_ADDRESS): Similarly.
3588 * pa.md (various patterns): Similarly.
3589 (small pic lo_sum pattern): Remove.
3591 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3594 * md.texi (min, max): Document
3596 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3598 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3599 TARGET_PARTIAL_REG_DEPENDENCY.
3600 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3602 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3604 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3606 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3608 * mips.c (mips_make_temp_file): Fix thinko in last change.
3610 2001-02-26 Jason Eckhardt <jle@redhat.com>
3612 * combine.c (known_cond): Do not reverse the condition when
3613 SMAX/UMAX is being considered and the condition is for equality
3616 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3618 2001-02-26 Philip Blundell <philb@gnu.org>
3620 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3622 * config/arm/linux-elf.h: Remove historical relics related to
3623 above configurations.
3624 * config/arm/linux-oldld.h: Delete.
3625 * config/arm/linux-elf26.h: Delete.
3627 2001-02-26 Jason Merrill <jason@redhat.com>
3629 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3631 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3632 recognize a tentative definition. Lose obsolete code.
3634 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3635 variables unless necessary, either.
3637 2001-02-25 Richard Henderson <rth@redhat.com>
3639 * ifcvt.c (struct noce_if_info): Add test_bb.
3640 (noce_get_alt_condition): New.
3641 (noce_try_minmax, noce_try_abs): New.
3642 (noce_operand_ok): New.
3643 (noce_process_if_block): Use them.
3644 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3646 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3648 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3651 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3653 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3654 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3656 (mips_asm_file_end): Free temp_filename here.
3658 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3660 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3661 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3663 * config/i386/i386.md (movstrsi): Handle FAIL case.
3665 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3667 * cppinit.c (builtin_array): Update.
3668 (init_builtins): Flag builtins to warn if redefined or
3669 undefined. Define __GXX_WEAK as a normal macro.
3670 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3671 * cpplib.h (NODE_WARN): New flag.
3672 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3673 Handle __STDC__ as a builtin only on Solaris.
3674 (warn_of_redefinition): Renamed from check_macro_definition.
3675 Reverse sense of test. Always warn if NODE_WARN.
3676 (_cpp_create_definition): Use warn_of_redefinition. Flag
3677 any macro beginning with "__STDC_" to require a mandatory
3678 warning if redefined or undefined.
3680 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3682 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3683 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3684 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3685 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3686 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3687 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3688 Don't define any of:
3689 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3690 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3691 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3692 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3693 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3695 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3696 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3699 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3700 Delete now-empty file.
3702 * alpha/vms.h: Define NEED_ATEXIT here...
3703 * alpha/xm-vms.h: ...not here.
3705 * i386/cygwin.h: Don't define PARAMS.
3706 * mips/mips.c: Don't prototype mktemp. Don't define
3707 P_tmpdir. Use make_temp_file to create temporary files.
3708 Don't be clever and delete temporary files early.
3709 * config.gcc: Drop references to deleted files. Don't define
3711 * gcc.texi: Don't mention USE_PROTOTYPES.
3713 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3715 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3716 (ix86_set_move_mem_attrs_1): Likewise.
3717 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3718 * config/i386/i386.md (movstrsi): Call it.
3720 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3722 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3723 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3724 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3725 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3727 (i750a-*-*): Error here if hosting on i750a.
3728 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3730 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3731 Remove (empty modulo comments).
3733 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3734 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3735 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3736 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3737 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3738 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3740 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3741 Remove reference to winnt.h in comment.
3742 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3744 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3746 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3747 used to set another biv.
3749 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3751 * tree.h (BLOCK_DEAD): New macro.
3752 (struct tree_block): New flag, dead_flag.
3753 * print-tree.c (print_node, case 'b'): Print missing fields.
3754 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3755 * function.c (identify_blocks): Enable test for misplaced notes.
3756 (all_blocks): Skip BLOCK_DEAD blocks.
3757 * integrate.c (integrate_decl_tree): Likewise.
3759 * errors.c (internal_error, trim_filename): New functions.
3760 (fancy_abort): Call internal_error.
3761 * errors.h (internal_error, trim_filename): New declarations.
3763 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3765 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3767 (EXTRA_CONSTRAINT): Formatting changes.
3769 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3771 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3773 2001-02-23 Per Bothner <per@bothner.com>
3775 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3776 so they can be called from java/jvspec.c.
3777 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3779 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3781 * i386.c (ix86_frame): New structure.
3782 (ix86_compute_frame_size): Kill.
3783 (ix86_compute_frame_layout): New.
3784 (ix86_save_reg): New.
3785 (ix86_can_use_return_insn_p): Use frame layout stuff.
3786 (ix86_expand_prologue): Likewise.
3787 (ix86_expand_epilogue): Likewise.
3788 (ix86_initial_elimination_offset): Likewise.
3789 (ix86_nsaved_regs): Use ix86_save_reg.
3790 (ix86_emit_save_regs): Likewise.
3792 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3794 * flow.c (find_sub_basic_blocks): New function.
3795 (split_block): Be ready for basic block introduced by CODE_LABEL.
3796 (commit_one_edge_insertion): Call find_sub_basic_block.
3798 * flow.c (make_edges): Add edge from entry for blocks starting with
3799 label having ALTERNATE_NAME
3801 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3803 * function.c (epilogue_done): Be ready for first basic block not
3804 containing PROLOGUE_END note.
3805 (reposition_prologue_and_epilogue_notes): Avoid placing
3806 PROLOGUE_END note between BASIC_BLOCK.
3808 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3810 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3812 2001-02-21 DJ Delorie <dj@redhat.com>
3814 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3815 check for current_function_has_nonlocal_goto from 1999-11-12.
3817 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3819 * diagnostic.c (trim_filename): No longer static.
3820 * toplev.h (trim_filename): Declare.
3821 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3822 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3823 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3824 (rtvec_check_failed_bounds): Likewise.
3825 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3827 * convert.c (convert_to_integer): Don't do unsigned unless result or
3828 both inputs are unsigned.
3830 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3833 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3835 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3837 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3839 * Makefile.in (resource.o): Add params.h dependence.
3840 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3841 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3842 * resource.c: Add dependence on params.h.
3843 (current_live_regs): Fix explanatory comment.
3844 (find_basic_block): Add new parameter to permit limiting search
3846 (mark_target_live_regs): Add new argument to find_basic_block call.
3847 (incr_ticks_for_insn): Likewise.
3849 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3851 * diagnostic.c (output_to_stream): Rename to
3852 output_buffer_to_stream. Loses the stream parameter.
3853 (init_output_buffer): Set diagnosic_buffer's stream.
3854 (flush_diagnostic_buffer): Adjust.
3855 (default_print_error_function): Likewise.
3856 (finish_diagnostic): Likewise.
3857 (verbatim): Likewise.
3859 * diagnostic.h (struct output_buffer): Add `stream' field.
3860 (output_buffer_attached_stream): New macro.
3862 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3864 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3865 check if either operand is divisible by C.
3866 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3867 If type is signed, consider negative numbers as well.
3869 2001-02-22 Richard Henderson <rth@redhat.com>
3871 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3872 reach .text instead of gp-relative relocs.
3873 * config/ia64/crtend.asm (.init): Likewise.
3875 2001-02-22 Andreas Jaeger <aj@suse.de>
3877 * extend.texi (C++ Attributes): Fix typo.
3879 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3881 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3882 functions, drop current_function_args_info.words test.
3883 (ia64_compute_frame_size): Mark syscall_linkage functions as
3884 using eight input registers.
3886 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3887 Bruce Korb <bkorb@gnu.org>
3889 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3890 * fixinc/README: Document how to convert sed substitutions
3891 to format style c_fix-es.
3892 * fixinc/fixincl.x: regen
3894 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3896 * gcc.c: Add comment explaining how to add a command-line option.
3897 Add title to specs language comment.
3899 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3901 * gcc.c (cc1_options): Add "-param".
3902 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3903 (option_map): Likewise.
3904 * toplev.c (display_help): Add entry for "--param".
3905 (independent_decode_option): Fix typographical error.
3907 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3908 Bernd Schmidt <bernds@redhat.com>
3909 Jan Hubicka <jh@suse.cz>
3911 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3912 (function_arg): Likewise.
3914 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3916 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3918 2001-02-21 Kazu Hirata <kazu@hxi.com>
3920 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3924 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3926 * flow.c (init_propagate_block_info): Canon address and use single_set
3927 for killing dead memory stores.
3929 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3931 * Makefile.in (reorg.o): Add params.h dependence.
3932 * params.def: Fix typographical error in comment.
3933 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3934 * params.h: Modify introductory comment.
3935 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3936 * reorg.c: Add dependence on params.h.
3937 (redundant_insn): Add parameterized throttle for search.
3938 (fill_simple_delay_slots): Add a comment explaining a variable.
3939 Move conditional out of loop, simplifying code.
3940 (fill_eager_delay_slots): Fix typographical error in comment.
3942 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3944 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3946 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3947 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3949 2001-02-21 Jason Merrill <jason@redhat.com>
3951 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3952 (struct tree_decl): Add uninlinable bitfield.
3953 * c-decl.c (duplicate_decls): Set it.
3954 * integrate.c (function_cannot_inline_p): Check it.
3956 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3957 DW_AT_MIPS_linkage_name to abstract methods.
3958 (dwarf2out_abstract_function): Emit class context before calling
3959 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3960 (gen_subprogram_die): Remove obsolete code.
3961 (gen_member_die): Don't include clones in the member list.
3962 (gen_decl_die): Emit abstract info for clone origin.
3963 * dwarfout.c (output_type): Don't include clones in the member list.
3964 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3965 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3966 DECL_ABSTRACT on a function that already has it set.
3968 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3969 (get_subprogram_die): Pass it in.
3971 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3973 * flow.c (mark_set_1): Make not_dead unsigned long. For
3974 non-pseudos, use it as a bitmask of the hard regs that
3977 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3979 * cppfiles.c: Update comments.
3980 (_cpp_read_file): Don't check for NULL filenames any more.
3981 * cppinit.c (cpp_start_read): Don't do canonicalization of
3982 in_fname and out_fname. Use the passed file name exclusively.
3983 (_cpp_handle_options): Don't treat "-" as a command line option,
3984 but as a normal filename.
3985 (_cpp_post_options): Canonicalize in_fname and out_fname.
3986 * cppmain.c (printer_init): Don't check out_fname for NULL.
3987 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3988 (init_c_lex): Update, and use "" to represent stdin to CPP.
3991 2001-02-20 Will Cohen <wcohen@redhat.com>
3993 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3994 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3995 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3998 2001-02-20 Stan Shebs <shebs@apple.com>
4000 * config/rs6000/rs6000.c (output_cbranch): Output branches
4001 on separate lines instead of using ';' to separate.
4003 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4005 * cppinit.c (set_lang): Move builtin handling to...
4006 (init_builtins): ...here.
4007 (_cpp_create_reader): Move call to set_lang.
4009 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4011 * stmt.c (expand_return): If an attempt is made to return the
4012 error_mar_node, treat the return like a return without a value.
4014 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4016 * sibcall.c (skip_copy_to_return_value): Call
4017 identify_call_return_value here, and return orig_insn if it
4018 returns zero. Hardret and softret arguments now unnecessary.
4019 (call_ends_block_p): Don't call identify_call_return_value here.
4021 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4023 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4024 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4026 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4028 * pa.c (move_operand): Accept code to load the address of a
4029 symbol out of the DLT as a valid move operand.
4030 (print_operand, case 'A'): New to handle generating a DLT
4031 reference for a LO_SUM expression.
4032 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4033 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4035 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4037 * README, cpp.texi, gcc.texi, version.c: Update version number to
4039 * cpp.1, gcov.1, gcc.1: Regenerate.
4041 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4043 * cppfiles.c (stack_include_file): Generate dependencies
4044 here, and manage include_count here too.
4045 (PRINT_THIS_DEP): Delete.
4046 (_cpp_execute_include): Do not generate dependencies here,
4047 apart from the case of a missing header. Do not manage
4049 (_cpp_read_file): Leave dependency generation to
4052 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4054 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4055 target_cpu_default. Remove dead assignment to
4058 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4060 * regclass.c (contains_reg_of_mode): Make global.
4061 (init_reg_sets): Remove contains_reg_of_mode; take into account
4062 CLASS_MAX_NREGS when looking for the proper mode.
4063 (dump_regclass): Dump only classes considered for the pseudo.
4064 (regclass): Use contains_reg_of_mode.
4066 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4068 * gcc.c (do_spec_1): 'n' for printing notices.
4069 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4071 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4073 * reg-stack.c (next_flags_user): Use current_block->end
4074 (swap_rtx_condition): Look for next user if flags don't die;
4075 give up on CALL_INSNs; use current_block->end.
4077 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4079 * sibcall.c (call_ends_block_p): New function.
4080 (optimize_sibling_and_tail_recursive_call): Use it.
4082 2001-02-18 Kazu Hirata <kazu@hxi.com>
4084 * config/h8300/h8300.md: Update copyright.
4085 (andsi3): Do not output an extra newline character.
4087 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4089 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4090 FNDECL may be unused.
4092 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4093 follow jumps after first run.
4094 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4095 it doesn't change any jumps.
4097 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4099 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4100 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4101 (mostlyclean): Corresponding changes.
4102 * rtlanal.c (hard-reg-set.h): Include.
4103 (rtx_unstable_p): Do not treat the argument pointer specially
4104 if it is not a fixed register.
4105 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4107 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4109 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4110 against last real insn in basic block.
4111 Rework to avoid gotos.
4113 * Makefile.in (gcse.o): Now includes ggc.h.
4114 * gcse.c: Include ggc.h.
4115 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4116 (try_replace_reg): Remove warning of uninitialize variable.
4117 (process_insert_insn): Call invalid_insn_p to validate insn.
4118 * recog.c (insn_invalid_p): Now global.
4119 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4120 * recog.h (insn_invalid_p): New declaration.
4122 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4124 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4125 assignments from FP constants since 'Y' output code can't handle it.
4126 (eligible_for_sibcall_delay): Likewise.
4128 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4129 Call fancy_abort directly, passing args.
4130 (print_rtl_and_abort): Now a macro, like fancy_abort.
4132 * final.c (output_operand_lossage): Use internal_error, not error.
4134 2001-02-18 Shane Nay <shane@agendacomputing.com>
4136 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4137 structure shift insns.
4139 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4141 * invoke.texi (-fsquangle): Remove documentation.
4142 (-fname-mangling-version): Likewise.
4144 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4146 * optabs.c (expand_abs): Remove reference to
4147 HAVE_contitional_arithmetic.
4148 * combine.c (simplify_set): Likewise.
4150 2001-02-18 Richard Henderson <rth@redhat.com>
4152 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4155 2001-02-18 Richard Henderson <rth@redhat.com>
4157 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4159 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4161 * reload1.c (reload_cse_simplify_set): Fix typo.
4163 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4165 * diagnostic.c (_fatal_insn): Decrement errorcount.
4167 * invoke.texi (-I): Add note avoiding use for system header files.
4169 * rtl.h (add_clobbers): Remove duplicate declaration.
4170 * recog.h (added_clobbers_hard_reg_p): New declaration.
4171 * genemit.c (struct clobber_pat): New field has_hard_reg.
4172 (gen_insn): Record if added clobbers clobber hard reg.
4173 (gen_split): Avoid unused warning if number of operands is 0.
4174 (output_added_clobbers_hard_reg_p): New function.
4177 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4179 * pa.c (hppa_expand_prologue): Simplify code storing return
4180 pointer. For large (>=8k) frames with a post_store, adjust stack
4181 pointer by 8k-64 first rather than by 64. When testing with
4182 VAL_14_BITS_P, always use the actual value rather than the value
4183 negated. Add blockage to prevent scheduling of spills before
4184 stack frame has been created.
4185 (hppa_expand_epilogue): Simplify code loading return pointer.
4186 Allow a slightly larger range for merge_sp_adjust_with_load case.
4187 When testing with VAL_14_BITS_P, always use the actual value.
4189 * pa.c (pa_adjust_insn_length): Check that block move
4190 pattern is a set before looking at operands.
4192 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4194 * fold-const.c (fold_binary_op_with_conditional_arg): New
4195 function, split out from ...
4197 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4198 conditional arms that throw exceptions.
4200 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4203 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4205 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4206 define HAVE_DECL_* to 1 to mask potential backup declarations.
4207 * configure: Regenerated.
4209 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4211 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4213 2001-02-17 Richard Henderson <rth@redhat.com>
4215 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4216 when replacing a memory load with a register.
4218 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4219 Jan Hubicka <jh@suse.cz>
4221 * recog.c (validate_replace_src_1): New.
4222 (validate_replace_src_data): Likewise.
4223 (validate_replace_src): Use note_uses.
4224 * rtl.h (note_uses): Declare.
4225 * rtlanal.c (note_uses): New.
4227 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4229 * reg-stack.c (stack_def): Make field reg unsigned.
4230 (remove_regno_note): Unsignetize parameter.
4232 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4234 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4235 shladd_operand() call.
4237 2001-02-16 Bruce Korb <bkorb@gnu.org>
4238 Rodney Brown <RodneyBrown@mynd.com>
4240 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4241 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4242 machine restrictions
4243 * fixinc/fixincl.x: regen
4245 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4247 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4249 (hash_scan_insn): Clean up calls to hash_scan_set.
4250 (compute_kill_rd): REGNO now unsigned.
4251 (try_replace_reg): Rework to use simplify_replace_rtx.
4252 (cprop_jump, cprop_cc0_jump): Likewise.
4253 (cprop_insn): Call find_reg_equal_equiv_note.
4254 Reflect changes to cprop_jump and cprop_cc0_jump.
4256 * recog.c (validate_replace_src): Replace in operands of
4257 ZERO_EXTRACT in SET_DEST.
4259 * cse.c (new_label_ref): New variable.
4260 (insert): Set it instead of recorded_label_ref.
4261 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4262 CODE_LABEL for this function, and not already in REG_LABEL note.
4264 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4266 * resource.c (mark_referenced_resources): Fix typo in introductory
4268 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4271 2001-02-16 Jason Merrill <jason@redhat.com>
4273 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4275 (gen_subprogram_die): Don't abort on seeing a second definition if
4276 the previous one was abstract. Don't replace an abstract instance
4277 in the lookup table.
4279 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4280 gen_abstract_function.
4281 * dwarf2out.h: Declare it.
4282 * toplev.c (note_outlining_of_inline_function): New fn.
4283 * toplev.h: Declare it.
4284 * integrate.c (output_inline_function): Call it.
4285 * c-decl.c (duplicate_decls): Call it when redefining an extern
4286 inline. Don't inline the new defn.
4288 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4290 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4292 * .gdbinit: Rename to gdbinit.in.
4293 * gdbinit.in: New file,
4294 * configure.in: Generate .gdbinit from gdbinit.in.
4295 * configure: Regenerated.
4296 * Makefile.in (distclean): Always remove .gdbinit.
4298 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4300 * objc/objc-act.c (start_class): Register implemented_classes with
4303 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4305 * cppfiles.c (_cpp_make_system_header): Generate a file
4308 2001-02-15 Jim Meyering <meyering@lucent.com>
4310 * Makefile.in (install-common): Don't depend on installdirs here.
4311 Instead, make each of the lang.install-common targets (e.g.,
4312 c++.install-common in cp/Make-lang.in) depend on it.
4313 (install-driver): Depend on installdirs.
4315 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4317 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4319 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4322 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4324 * invoke.texi (--param): Document.
4326 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4328 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4330 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4332 * i386.md (extendsfdf2_2): Fix constraints.
4334 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4336 * i386.md (fop_df_3 splitter): Fix operand number.
4338 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4340 * invoke.texi (-mreg-alloc): Nuke.
4341 * i386.c (ix86_reg_alloc_order, regs_allocated,
4342 order_regs_for_local_alloc): Nuke.
4343 (override_options): Kill reg_alloc code.
4344 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4345 (REG_ALLOC_ORDER): SSE goes before I387.
4346 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4347 (ix86_reg_alloc_order): Likewise.
4348 * i386-protos.h (ix86_reg_alloc_order): Kill.
4350 2001-02-14 Richard Henderson <rth@redhat.com>
4352 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4354 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4356 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4358 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4360 * i386-protos.h (ix86_memory_move_cost): Move offline.
4361 * i386.c (ix86_register_move_cost): Compute properly cost of
4362 SSE, MMX and i387 instructions.
4363 (*_cost): Add costs of SSE/MMX moves.
4364 (ix86_memory_move_cost): Move offline from ....; Likewise.
4365 * i386.h (MEMORY_MOVE_COST): .... here;
4366 (struct processor costs): Add new fields to represent costs
4369 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4371 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4372 move_cost together with Matt Kraai's fix.
4374 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4376 * Makefile.in (OBJS): Add params.o.
4378 2001-02-14 Richard Henderson <rth@redhat.com>
4379 DJ Delorie <dj@redhat.com>
4381 * jump.c (jump_optimize_1): When we delete a conditional jump
4382 preceeding a non-conditional jump to effectively the same place,
4383 make sure that the combined jump skips any clobber insns between
4386 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4388 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4390 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4392 * Makefile.in (toplev.o): Depend on params.h.
4393 (intergate.o): Likewise.
4394 (params.o): New target.
4395 * flags.h (inline_max_insns): Remove.
4396 * integrate.c: Include params.h.
4397 Use MAX_INLINE_INSNS instead of inline_max_insns.
4398 * params.c: New file.
4399 * params.h: Likewise.
4400 * params.def: Likewise.
4401 * toplev.c: Include params.h.
4402 (lang_independent_params): New variable.
4403 (decode_f_option): Use the param machinery instead of setting
4405 (independent_decode_option): Handle "--param name=value".
4406 (main): Register language-independent parameters.
4408 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4410 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4412 2001-02-14 Richard Henderson <rth@redhat.com>
4414 * regclass.c (init_reg_sets_1): Revert last two changes.
4416 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4418 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4419 (variable_size): Call put_pending_size.
4420 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4421 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4422 sizes list, put newly created SAVE_EXPR there as well.
4424 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4426 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4427 (errata_find_address_regs): load_group has only 2 entries.
4428 (errata_emit_nops): Likewise. shladd is not problematic.
4429 Clear last_group if nop was emitted.
4430 (fixup_errata): load_group has only 2 entries.
4433 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4435 * c-lex.c (lex_number): Only warn traditionally for U suffix
4436 outside system macros.
4437 * cppexp.c (parse_number): Similarly.
4438 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4439 * cppmacro.c (struct cpp_macro): New member node.
4440 (parse_args): Only warn about missing rest args if not
4442 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4443 (cpp_sys_objmacro_p): New.
4444 (_cpp_create_definition): Store the node with the macro defn.
4445 Remember if the macro is defined in a system header.
4447 2001-02-13 DJ Delorie <dj@redhat.com>
4449 * configure.in (check_languages): determine languages to check
4450 * Makefile.in (check-c++): alias for check-g++
4451 (check-f77): alias for check-g77
4452 (CHECK_TARGETS): depend on configured languages
4454 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4456 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4457 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4458 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4459 (sqrtextendsfdf2): Disable for SSE2.
4461 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4463 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4464 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4465 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4466 (sqrtextendsfdf2): Disable for SSE2.
4468 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4470 * i386.md (movsfcc_1): Support integer cmove instruction.
4471 (movdfcc_1): Likewise; new splitter.
4473 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4475 * i386.c (output_fp_compare): Support SSE.
4476 (prepare_fp_compare_args): SSE comparisons always support memory.
4477 * i386.h (TARGET_CMOVE): SSE imply cmove.
4478 * i386.md (cmp?f2): Enable for SSE too.
4479 (cmpfp_i*): Support SSE.
4481 (cmpfp_i_sse_only): New.
4482 (s*, b* fp expanters): Enable for SSE too.
4483 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4486 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4488 * regclass.c (init_reg_sets_1): Silence warning.
4490 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4492 * i386.md (sqrt?f2): Change to expander.
4493 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4495 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4497 * rtlanal.c (find_reg_equal_equiv_note): New function.
4498 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4499 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4500 * rtl.h: Add declarations for above functions.
4502 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4504 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4506 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4507 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4508 * flow.c (mark_regs_live_at_end): Likewise.
4509 (calculate_global_regs_live): Likewise.
4510 * gcse.c (compute_hash_table): Likewise.
4511 (compute_kill_rd): Likewise.
4512 * resource.c (mark_target_live_regs): Likewise.
4513 * rtl.h (INVALID_REGNUM): New macro.
4515 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4517 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4519 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4521 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4524 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4526 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4528 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4529 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4530 (fop_sf_1_sse, fop_df_1_sse): New patterns
4531 (fop_*): Disable float_extend and float patterns for SSE compilation.
4532 * i386.c (output_387_binary_op): Support SSE.
4534 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4536 * i386.md (dummy_extendsfdf2): Support SSE2
4537 (extendsfdf2): Enable if 80387 or SSE2.
4538 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4539 and no MIX_I387_SSE2
4540 (extendsfdf2_1_sse_only): New pattern.
4541 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4543 (truncdfsf2_1): Support SSE.
4544 (truncdfsf2_2): Support SSE.
4545 (truncdfsf2_2_1_sse): New pattern.
4546 (fixtruncsfsi2): Always use SSE if available.
4547 (fix_truncsfsi_sse): New pattern.
4548 (fix_truncdfsi_sse): New pattern.
4549 (floatsis?f2): Support SSE.
4550 (floatsidf2_i387): New pattern.
4551 (floatsidf2_sse): Likewise.
4553 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4555 * configure.in: Use "have_gnat" variable, not "gnat".
4556 * configure: Regenerated.
4558 * config/sparc/sparc.c (function_value): Treat all non-record
4559 aggregate types like used to treat UNION_TYPE.
4561 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4563 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4564 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4566 (MASK_MIX_SSE_I387): New.
4567 (TARGET_SSE): SSE2 imply SSE.
4568 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4569 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4570 (enum reg_class): Add new classes.
4571 (REG_CLASS_NAMES): Likewise.
4572 (REG_CLASS_CONTENTS): Likewise.
4573 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4574 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4575 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4576 (CLASS_MAX_NREGS): Use new macros.
4577 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4578 * i386.md (pushsf, movsf): Support SSE.
4579 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4580 splitters to use ANY_FP_REGNO_P.
4581 (movdf_nointeger, movdf_integer): Likewise.
4583 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4585 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4586 (try_combine): Use it.
4588 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4590 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4591 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4592 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4593 (REGISTER_MOVE_COST): Likewise.
4594 * i386-protos.h (ix86_secondary_memory_needed,
4595 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4596 * i386.c (ix86_secondary_memory_needed,
4597 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4599 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4601 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4602 (HARD_REGNO_MODE_OK): Move offline to ....
4603 * i386.c (ix86_hard_regno_mode_ok) ... here;
4604 refuse all incorrect modes.
4605 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4607 2001-02-13 Richard Henderson <rth@redhat.com>
4609 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4610 entire operator; replicate that and match_dup the operands.
4611 (cmp_ccx_arith_op_set): Likewise.
4612 (cmp_cc_arith_op_not_set): Likewise.
4613 (cmp_ccx_arith_op_not_set): Likewise.
4615 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4617 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4619 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4621 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4622 (TARGET_NO_BITFIELD_WORD): New macro.
4623 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4624 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4626 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4628 * cselib.c: New file, from simplify-rtx.c.
4629 * simplify-rtx.c: Remove cselib parts.
4630 * Makefile.in: Add cselib.o.
4632 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4634 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4635 (setup_incoming_varargs): Remove warning.
4637 * config/rs6000/rs6000.c (validate_condition_mode): When
4638 flag_fast_math, allow floating-point conditionals to be reversed.
4639 (rs6000_generate_compare): When flag_fast_math, don't generate
4640 cror operations for FP conditionals.
4642 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4644 (ASM_SPEC): Likewise.
4645 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4646 (CC1_SPEC): Likewise.
4647 (LINK_TARGET_SPEC): Likewise.
4648 (CPP_ENDIAN_SPEC): Likewise.
4649 * Makefile.in (check-consistency): New target.
4651 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4653 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4654 "return type defaults" warning for functions with return type
4656 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4657 function declarations by default rather than only when pedantic.
4659 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4661 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4664 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4666 * extend.texi (Deprecated): Deprecate new initializer lists.
4668 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4670 * mkdeps.c (deps_add_default_target): Robustify. Add
4671 basename component only.
4672 * cpp.texi (-M): Describe how default target is generated.
4673 * invoke.texi (-M): Likewise.
4675 2001-02-12 Kazu Hirata <kazu@hxi.com>
4677 * toplev.c (push_float_handler): Remove.
4678 (pop_float_handler): Remove.
4679 * toplev.h: Remove prototypes for the above functions.
4681 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4683 * c-common.c (constant_fits_type_p): New function.
4684 (convert_and_check): Use it.
4686 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4688 * Makefile.in (GXX_ABI_FLAG): Don't define.
4689 * configure.in (--enable-new-gxx-abi): Remove option.
4690 * config.in: Regenerated.
4691 * configure: Likewise.
4693 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4695 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4697 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4698 regular basic block, and arrange for all edges into it to switch
4701 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4703 * Makefile.in (distclean): Do not remove .gdbinit.
4705 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4707 * Makefile.in (gcc.o): Fix typos.
4708 (protize.o): Likewise.
4709 (unprotoize.o): Likewise.
4711 2001-02-11 Richard Henderson <rth@redhat.com>
4713 * tree.c (build1): Check for null operand in last change.
4715 2001-02-11 Richard Henderson <rth@redhat.com>
4717 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4718 (fold): Don't assume a constant isn't foldable.
4719 * tree.c (build): Set TREE_CONSTANT for an expression with no
4720 side-effects and constant operands.
4723 2001-02-10 Richard Henderson <rth@redhat.com>
4725 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4727 2001-02-10 Anthony Green <green@redhat.com>
4729 * cpp.texi (Standard Predefined): Add documentation for
4732 * c-common.c (combine_strings): Improve warning message.
4734 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4736 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4738 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4740 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4742 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4745 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4747 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4750 2001-02-09 Nick Clifton <nickc@redhat.com>
4752 * config/arm/arm.md: Change output contraint on post inc
4753 load/store multiple patterns to be a read/write contraint.
4755 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4757 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4758 .o files when using the -M options.
4760 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4761 David Edelsohn <edelsohn@gnu.org>
4763 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4764 handle DImode constants. Use one TOC entry for SImode and smaller
4765 constants, aligned properly.
4767 2001-02-08 Jason Merrill <jason@redhat.com>
4769 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4770 about the SP adjustment for saving the static chain pointer.
4771 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4772 offset when setting a temporary CFA register.
4774 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4776 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4777 powerpc-*-chorusos* .
4778 * config/rs6000/chorus.h : New file.
4779 * config/i386/chorus.h : New file.
4780 * config/sparc/chorus.h : New file.
4781 * config/sparc/t-chorus-elf : New file.
4783 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4785 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4786 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4787 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4788 (__WCHAR_TYPE__): Correct macro name.
4790 2001-02-08 Richard Henderson <rth@redhat.com>
4792 * config/i386/i386.c (ix86_frame_pointer_required): New.
4793 (ix86_setup_frame_addresses): New.
4794 (struct machine_funciton): Add accesses_prev_frame.
4795 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4796 ix86_frame_pointer_required.
4797 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4798 (SETUP_FRAME_ADDRESSES): New.
4799 * config/i386/i386-protos.h: Update.
4800 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4801 from FRAME_POINTER_REQUIRED.
4802 * config/i386/svr3gas.h: Likewise.
4803 * config/i386/sysv3.h: Likewise.
4804 * config/i386/v3gas.h: Likewise.
4806 2001-02-08 Richard Henderson <rth@redhat.com>
4808 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4809 calculation of the number of integer registers required.
4810 (function_arg_record_value): Likewise.
4812 2001-02-08 Jason Merrill <jason@redhat.com>
4814 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4815 two. Print file and line with "confused" message.
4817 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4819 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4821 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4823 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4825 * final.c (cleanup_subreg_operands): The address of a MEM can
4828 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4831 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4833 * gcc.texi (Incompatibilities): Update documentation of
4834 preprocessing numbers.
4836 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4838 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4840 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4842 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4844 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4845 * gcc.c (struct compiler): Add cpp_spec field.
4846 (input_file_compiler): New variable.
4847 (do_spec_1): Allow a particular compiler to handle `%C'
4849 (main): Store the current compiler in input_file_compiler.
4850 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4852 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4854 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4855 * cppinit.c (cpp_create_reader): Initialize them.
4856 (append_include_chain): cxx_aware arg might be unused.
4857 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4858 keywords and give them their phase 7 meaning. Pedwarn about
4859 this unless '__bool_true_false_are_defined' is defined.
4861 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4863 * lcm.c (optimize_mode_switching): Emit mode_set before the
4864 JUMP_INSN of an abnormal edge.
4866 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4868 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4869 a scheduling barrier at the end.
4871 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4873 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4875 * config/sh/sh.md (reload_outsf): Removed.
4876 (movsf_ie): Introduce constraints for FPUL loads and stores.
4877 (reload_insf): Broaden the output constraint.
4879 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4881 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4882 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4884 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4886 * final.c: Revert my previous changes.
4887 * output.h: Make profile_label_no extern.
4888 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4889 for generating label.
4891 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4893 * config/i386/djgpp.h: Add comments about standard paths.
4894 (MD_EXEC_PREFIX): Undefine before defining.
4895 (MD_STARTFILE_PREFIX): New.
4897 2001-01-30 Bruce Korb <bkorb@gnu.org>
4899 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4900 (load_file): do not rely on load_file_data() to close file pointer
4901 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4902 fixinc/inclhack.def(irix_limits_const): add test_text
4904 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4906 * cppexp.c (parse_defined): Improve diagnostics for invalid
4909 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4911 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4913 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4915 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4916 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4917 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4918 (rs6000_output_symbol_ref): New function.
4919 (output_toc): Use VTABLE_NAME_P.
4921 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4923 * print-tree.c (print_node, case PARM_DECL):
4924 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4926 * stor-layout.c (reference_types_internal): New variable.
4927 (internal_reference_types): New function.
4928 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4929 * tree.h (internal_reference_types): New declaration.
4931 * cse.c (find_best_addr): Fix typo in computing cost.
4933 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4935 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4936 and this is the sum of a pointer and a constant, we know the result
4938 (num_sign_bit_copies, case PLUS): Likewise.
4939 * explow.c (convert_memory_address): Remove opposite SUBREG.
4940 * function.c (instantiate_new_reg): New function (from common code).
4941 (instantiate_virtual_regs_1): Call it.
4942 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4943 if pointers sign- or zero-extend.
4944 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4945 If pointers extend unsigned, use inside of SUBREG.
4946 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4948 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4950 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4951 subdir of gcc_gxx_include_dir.
4952 (gcc_gxx_target_include_dir): Remove.
4954 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4956 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4957 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4958 a high-level description.
4960 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4962 * final.c: Move the declaration of profile_label_no to ...
4963 * output.h: ... here.
4964 * function.c (expand_function_start): Call PROFILE_HOOK.
4965 * config/rs6000/aix.h: Define PROFILE_HOOK.
4966 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4967 * config/rs6000/rs6000.c (output_profile_hook): Define.
4968 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4969 output_profile_hook.
4970 tm.texi : Explain new macro PROFILE_HOOK.
4972 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4974 * extend.texi (Extended Asm): Do not say that semicolon is always
4975 a valid line-breaking character for GNU assemblers. Use
4976 newline-tab as the most commonly supported syntax. Use
4977 newline-tab rather than semicolon in multi-insn examples.
4979 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4981 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4983 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4984 David Edelsohn <edelsohn@gnu.org>
4986 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4987 code for AIX, even without flag_pic.
4989 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4991 * c-typeck.c (common_type): push and pop binding level around
4992 calling common_type on function parameters.
4994 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4996 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4998 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5000 * config/mips/mips.c (override_options): Fix typo in last change.
5001 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5002 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5004 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5006 * invoke.texi (-fdump-class-layout): Document.
5007 (-fdump-translation-unit): Use `=' as filename separator.
5009 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5011 * Makefile.in (s-mlib): Don't build multilibs if
5013 (DRIVER_DEFINES): Adjust accordingly.
5015 (protoize.o): Likewise.
5016 (unprotoize.o): Likewise.
5017 * configure.in: Recognize --enable-multilib.
5019 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5021 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5023 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5024 * configure.in: Remove --enable-libstdcxx_v3 support.
5025 * configure: Regenerated.
5027 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5029 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5030 Call abort instead of fatal.
5031 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5032 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5033 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5034 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5035 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5036 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5038 * diagnostic.h (set_internal_error_function): Renamed.
5039 * toplev.h (internal_error): Renamed from fatal.
5040 (pfatal_with_name): Deleted.
5041 (fatal_io_error): Now has printf-style arguments.
5042 * diagnostic.c (pfatal_with_name): Deleted.
5043 (fatal_io_error): Rework to have args in printf-style.
5044 (set_internal_error_function): Renamed from set_fatal_function.
5045 (internal_error): Renamed from fatal.
5046 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5047 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5048 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5049 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5050 * flow.c (verify_flow_info): Likewise.
5051 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5052 * config/mips/mips.c (save_restore_insns): Likewise.
5054 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5055 * flow.c (verify_flow_info): Likewise.
5056 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5057 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5058 (avr_normalize_condition): Likewise.
5059 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5060 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5061 (limit_reload_class, double_reg_to_memory): Likewise.
5062 (print_operand_address, emit_1600_code_shift): Likewise.
5063 (gen_tst_reg, gen_compare_reg): Likewise.
5064 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5065 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5067 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5069 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5070 * objc/objc-act.c (build_ivar_chain): Likewise.
5071 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5073 * graph.c (clean_graph_dump_file): Likewise.
5074 * profile.c (init_branch_prob): Likewise.
5075 * objc/objc-act.c (objc_init): Likewise.
5077 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5078 * config/avr/avr.c (avr_override_options): Likewise.
5079 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5080 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5081 * config/h8300/h8300.c (h8300_init_once): Likewise.
5082 * config/mips/mips.c (override_options): Likewise.
5083 * config/i386/i386.c (override_options): Likewise, rework.
5084 * config/m68k/m68k.c (override_options): Likewise.
5086 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5088 * config/mips/mips.c (print_operand): Likewise.
5089 * hash.c (hash_allocate): Don't check for failure returns from
5090 obstack functions that can't fail.
5091 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5092 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5093 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5094 (get_object_reference): Likewise.
5096 2001-02-04 Nick Clifton <nickc@redhat.com>
5098 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5099 StrongARM1110, 10TDMI, and 1020T.
5101 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5103 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5105 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5107 * config/sh/sh.md (movdf load split): Pass register number to
5108 FP_OR_XD_REGISTER_P.
5110 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5112 * cppinit.c (BC): New macro.
5113 (builtin_array): Add __GXX_WEAK__.
5114 * cpplib.h (builtin_type): Add BT_WEAK.
5115 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5116 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5117 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5119 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5121 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5123 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5125 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5126 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5128 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5130 * cpphash.h: Rename ALIGN _ALIGN.
5131 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5133 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5135 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5136 compilation environment.
5137 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5138 control over location of cygwin includes and libs.
5140 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5142 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5144 2001-02-02 lars brinkhoff <lars@nocrew.org>
5146 * md.texi (Standard Names): remove reference to spur.md.
5148 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5150 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5151 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5152 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5153 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5154 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5156 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5158 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5159 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5160 number before reload.
5161 (c4x_adjust_cost): Return zero before reload.
5162 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5163 split before reload.
5165 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5167 * c4x.c (c4x_hard_regno_rename_ok): New.
5168 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5169 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5171 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5173 * diagnostic.h: Add missing "extern" in all declarations.
5175 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5177 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5178 as for gcc_gxx_include_dir.
5180 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5182 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5184 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5186 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5187 label before alignment to be used as the braf base address.
5188 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5190 (casesi_jump_2): Require at least TARGET_SH2.
5192 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5193 truncation to 32-bit doubles on -m3e and -m4-single-only.
5195 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5197 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5198 the default when building a shared object.
5199 (init_spec): Use it.
5200 * testsuite/lib/g++.exp: Include the directory where libgcc
5201 is located to the LD_LIBRARY_PATH list.
5202 * invoke.texi (-shared-libgcc): Document the cases in which
5203 GCC defaults to using the shared libgcc.
5205 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5207 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5208 unsigned is wide enough.
5210 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5211 (si_to_float): Likewise.
5212 (float_to_si, float_to_usi): Use BITS_PER_SI.
5214 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5216 * dwarf2out.c: Added explanation of abbreviations.
5217 (def_cfa_1): Added comments listing DWARF2 instructions.
5218 (cfa_temp_reg): Removed in favor of cfa_temp.
5219 (cfa_temp_value): Removed in favor of cfa_temp.
5220 (cfa_temp): New global variable.
5221 (dwarf2out_frame_debug_expr): Added extensive introductory
5222 comments explaining the function's transformations. Revised to
5223 use cfa_temp. Added some rtx checking. Generalize IOR case.
5224 (dwarf2out_frame_debug): Revised to use cfa_temp.
5225 (output_aranges): Cast as "unsigned" to avoid warning.
5226 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5227 explain which instructions must be marked.
5229 2001-02-01 Richard Henderson <rth@redhat.com>
5231 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5234 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5236 * config/sh/crt1.asm (main_k): Modified so that start calls
5237 ___setup_argv_and_call_main.
5239 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5241 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5242 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5243 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5244 * cppmacro.c (builtin_macro): Set builtin flags here.
5245 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5246 (replace_args): Clarify intent.
5247 (cpp_get_token): Macro expansion tokens get the saved flags.
5249 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5252 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5254 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5257 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5259 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5260 returns Pmode pseudo, but we need ptr_mode.
5261 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5262 Remove bogus conversions; use HOST_WIDE_INT for size.
5263 Don't use TARGET if wrong mode.
5265 * config/i386/i386.c (ix86_compute_frame_size): Allow
5266 stack_alignment_needed to be non-default even if size is zero.
5268 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5270 * pa.c (hppa_init_pic_save): New function.
5271 * pa.h (hppa_init_pic_save): Declare.
5272 * pa.md (call, call_value, sibcall, sibcall_value): Use
5273 the above instead of duplicated code.
5275 * pa.c (hppa_encode_label): Correct size of alloca buffer
5276 so we don't overrun it. Correct leading `*' case.
5277 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5278 need to handle `*@'.
5279 (FUNCTION_NAME_P): Likewise.
5281 2001-01-31 Richard Henderson <rth@redhat.com>
5283 * config.gcc (alpha-osf5): Use float-i128.h.
5285 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5286 * config/float-i32.h: Likewise.
5287 * config/float-i64.h: Likewise.
5288 * config/float-sh.h: Likewise.
5289 * config/float-sparc.h: Likewise.
5291 2001-01-31 DJ Delorie <dj@redhat.com>
5293 * expmed.c (extract_bit_field): allow non-integral modes if we
5294 want to extract a whole register from itself.
5296 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5298 * c-typeck.c (set_init_index): If first is equal to last, assume as
5299 if it was not a range at all.
5301 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5303 * config/fp-bit.c: Include tm.h.
5304 (float_to_si): Don't assume SImode is 32-bits wide.
5305 (float_to_usi): Likewise.
5307 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5309 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5311 (typename): Call pending_xref_error after parsing typed_typespecs.
5312 * c-decl.c (lookup_tag): Give error immediately rather than
5313 leaving it pending if the tag of the wrong type is in the same
5315 (xref_tag): Don't pedwarn for forward declarations of enum types
5317 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5320 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5322 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5324 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5326 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5327 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5329 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5331 * cpphash.h (struct cpp_reader): New saved_flags.
5332 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5333 to avoid a paste after a pasted token.
5335 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5337 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5338 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5339 Wtype_MIN instead of LONG_MIN.
5341 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5343 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5345 * fixinc/fixincl.x: Regenerated.
5346 * fixinc/inclhack.def (irix_limits_const): New definition to
5347 convert "const" to "__const" in limits.h.
5349 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5351 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5353 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5355 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5356 when register dies in the insn.
5358 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5360 * diagnostic.c (fatal): Fix word wrap.
5362 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5364 * combine.c (try_combine): Fix SUBREG setting for
5365 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5367 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5369 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5372 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5374 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5376 * toplev.c (decode_W_option): Update warn_larger_than
5377 unconditionally for each processed switch.
5379 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5381 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5383 (hppa_expand_prologue): Delete code to save pic offset table register
5384 in the function prologue.
5385 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5386 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5387 table register at the beginning of the function after the prologue.
5389 2001-01-29 lars brinkhoff <lars@nocrew.org>
5391 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5393 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5394 Jeff Law <law@redhat.com>
5396 * pa.md (return): Revise comment for trivial return.
5397 (return_internal): Non-trivial return pattern for non-PIC code.
5398 (return_internal_pic): Non-trivial return pattern for PIC code.
5399 It uses the PIC register to ensure it is restored after
5401 (epilogue): Generate appropriate return for PIC and non-PIC code.
5403 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5405 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5407 2001-01-29 DJ Delorie <dj@redhat.com>
5409 * combine.c (if_then_else_cond): Pass the correct mode to
5410 operand_subword() for constants.
5412 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5414 * config/i386/cygwin.h: Add w32api to include search. Search different
5415 directories in a cross-build environment.
5417 2001-11-29 Tim Josling <tej@melbpc.org.au>
5419 * tree.h (TYPE_STUB_DECL): Add documentation.
5421 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5423 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5424 (sdbout_field_types): Likwise. Fix use of host_integerp.
5426 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5428 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5431 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5433 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5434 to use flag_gnu_linker.
5436 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5438 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5439 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5441 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5443 * tree.c, tree.h (build_parse_node): Remove; was identical to
5445 * c-lang.c (start_cdtor), objc/objc-act.c
5446 (build_module_descriptor): Use build_nt instead of
5449 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5451 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5452 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5453 not have any upper bits set.
5455 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5457 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5459 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5461 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5463 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5465 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5466 (integer_minus_one_node): Define.
5468 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5470 * Makefile.in (bootstrap2-lean): Fix typo.
5472 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5474 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5475 : Don't set fe_value.
5476 * cpplib.h (AVOID_LPASTE): New flag.
5477 (struct cpp_hashnode): Remove fe_value.
5478 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5479 * cppmacro.c (builtin_macro): Don't set flags here.
5480 (replace_args): Set AVOID_LPASTE flag on first token of an
5481 argument, and the token following it.
5482 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5483 macro expansion, and on the token following it. Do it for
5485 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5487 2001-01-27 Richard Henderson <rth@redhat.com>
5489 * config/alpha/t-ieee: Remove multilibbing.
5490 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5492 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5494 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5496 * Makefile.in: Remove all dependencies on defaults.h.
5497 * builtins.c: Don't include defaults.h.
5498 * c-common.c: Likewise.
5499 * c-decl.c: Likewise.
5500 * c-pragma.c: Likewise.
5501 * c-typeck.c: Likewise.
5502 * combine.c: Likewise.
5504 * frame-ia64.c: Likewise.
5505 * cppexp.c: Likewise.
5506 * crtstuff.c: Likewise.
5507 * dbxout.c: Likewise.
5508 * dwarf2out.c: Likewise.
5509 * dwarfout.c: Likewise.
5510 * emit-rtl.c: Likewise.
5511 * except.c: Likewise.
5513 * final.c: Likewise.
5514 * frame-dwarf2.c: Likewise.
5515 * libgcc2.c: Likewise.
5516 * optabs.c: Likewise.
5517 * profile.c: Likewise.
5518 * sdbout.c: Likewise.
5519 * toplev.c: Likewise.
5520 * tradcif.y: Likewise.
5522 * varasm.c: Likewise.
5524 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5526 * builtins.c (expand_builtin_fputs): Use size_one_node when
5527 transforming into fwrite.
5529 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5531 * extend.texi (Attribute Syntax): New section.
5533 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5535 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5536 they didn't need fixing.
5538 2001-01-27 Janis Johnson <janis@us.ibm.com>
5540 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5542 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5543 to remove macro definitions that are duplicated from elfos.h.
5545 2001-01-27 Richard Henderson <rth@redhat.com>
5547 * config/i386/sco5gas.h: Move ...
5548 * config/usegas.h: ... here.
5549 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5551 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5553 * c-typeck.c (struct constructor_stack): Add range_stack member.
5554 (really_start_incremental_init): Clear it.
5555 (push_init_level): Save constructor_range_stack and clear it if
5556 pushing explicit braces.
5557 (pop_init_level): abort if constructor_range_stack is non-zero at
5558 explicit closing brace. Restore saved constructor_range_stack if
5561 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5563 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5564 into register was forced into memory.
5566 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5568 * Makefile.in: Remove uses of + before $(MAKE).
5570 2001-01-26 Richard Henderson <rth@redhat.com>
5572 * stmt.c (cost_table): Remove.
5573 (COST_TABLE, cost_table_initialized): New.
5574 (estimate_case_costs): Use the later instead of the former.
5575 (balance_case_nodes): Likewise.
5577 2001-01-26 Richard Henderson <rth@redhat.com>
5579 * alias.c (objects_must_conflict_p): Read-only slots may not
5580 conflict despite having the same type.
5582 2001-01-27 Michael Hayes <mhayes@redhat.com>
5584 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5586 (check_ext_dependant_givs): Initialise u_start_val and
5588 (load_mems): Make last_max_reg unsigned.
5589 (try_swap_copy_prop): Use INSN_P and initialise set.
5591 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5593 * README.AVR : Removed.
5595 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5597 * pa-64.h (text_section): Remove declaration.
5599 * pa.md (return_internal): Remove mode on PIC register use.
5601 2001-01-25 lars brinkhoff <lars@nocrew.org>
5603 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5604 ASM_CLOSE_PAREN): fix typos.
5606 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5608 * acconfig.h: Define `const' to the empty string if neither
5609 __STDC__ nor __cplusplus is defined.
5610 * config.in: Regenerated.
5612 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5614 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5615 * collect2.c (main): Delete importf. Add ".obj" file extension.
5616 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5617 (aix_std_libs): Add additional AIX libraries to skip.
5618 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5619 * config/rs6000/aix51.h: New file.
5621 2001-01-25 Michael Hayes <mhayes@redhat.com>
5623 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5624 (loop_insn_emit_before): No longer static.
5625 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5626 (loop_givs_rescan, load_mems): Likewise.
5627 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5628 (maybe_eliminate_biv_1):
5629 (move_movables): Replace emit_call_insn_before with
5630 loop_call_insn_hoist.
5631 * loop.h (loop_insn_emit_before): Add.
5632 * unroll.c (copy_loop_body): Replace emit_insn_before with
5633 loop_insn_emit_before.
5635 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5637 * diagnostic.c (fatal): Request preprocessed source.
5639 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5641 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5642 olddecl has argument types and newdecl has none, use the argument
5645 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5647 * dwarf2out.c (prefix_of): New function. Determine longest common
5648 prefix of the two arguments. The units are whole path components.
5649 (output_file_names): When adding a new directory find the one entry
5650 with the longest common prefix already in the list. Artificially
5651 generate entry if there is none for this prefix.
5652 Fix test to check whether the zeroth directory entry is used.
5654 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5656 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5657 Changed all callers. Take it into account when deciding if a
5658 previously loaded value matches.
5660 2001-01-24 Richard Henderson <rth@redhat.com>
5662 * reload.c (find_reloads_subreg_address): Fail the substitution
5663 if the resulting address is insufficiently aligned.
5665 2001-01-24 DJ Delorie <dj@redhat.com>
5667 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5668 check the original operand's mode also.
5669 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5671 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5673 * c-parse.in (cast_expr): Move compound literals from here ...
5674 (primary): ... to here. Use standard terminology "compound
5675 literal" instead of "constructor expression".
5677 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5679 * gcc.1, cpp.1: Regenerate.
5681 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5683 * calls.c (emit_library_call_value_1): Memory slot for
5684 pass-by-reference argument should have the mode of the argument,
5685 not of the pointer to it.
5687 2001-01-24 Tom Tromey <tromey@redhat.com>
5689 * gcc.texi (G++ and GCC): Mention gcj manual.
5690 (Standards): Link to section of manual mentioning gcj/Java
5693 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5695 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5696 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5697 * tradcpp.c (main): Add -imacros or -include'd dependencies
5699 * cpp.texi (-M, -MM): Document -M -include behaviour.
5701 2001-01-24 Roger Collins <roger@ProProject.com>
5703 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5705 2001-01-24 Will Cohen <wcohen@redhat.com>
5707 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5708 whether registers are 32 bits or 64 bits in size.
5710 2001-01-24 Ben Elliston <bje@redhat.com>
5712 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5714 2001-01-24 Richard Henderson <rth@redhat.com>
5716 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5717 (builtin_longjmp): Use it instead of emit_indirect_jump.
5719 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5721 * bb-reorder.c (make_reorder_chain_1): Handle case where
5722 jump edge goes to the same block as the fallthru edge.
5724 2001-01-23 Jim Wilson <wilson@redhat.com>
5726 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5727 * frame.h (__ia64_personality_v1): Add prototype.
5728 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5729 prototype form. Add void * cast to first argument to personality
5731 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5732 (asctoe113): Likewise.
5733 * config/ia64/frame-ia64.c: Include eh-common.h.
5734 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5736 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5738 (itanium_split_issue): Add prototype.
5739 (gen_nop_type): Ifdef out.
5740 (find_best_packet): Initialize best_packet.
5741 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5743 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5744 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5745 (flushrs): Add explicit stop bit at end.
5746 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5749 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5751 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5753 * libgcc2.c (__terminate_func): Make variable static.
5754 (__terminate_set_func): New function to set __terminate_func.
5755 * libgcc2.h (__terminate_func_ptr): New typedef.
5756 (__terminate_set_func): New function.
5758 2001-01-23 Richard Henderson <rth@redhat.com>
5760 * flow.c (init_propagate_block_info): Don't consider unchanging
5761 memories for dead frame store elimination.
5763 2001-01-23 Richard Henderson <rth@redhat.com>
5765 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5766 * defaults.h: ... here.
5768 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5770 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5772 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5774 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5776 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5778 * rs6000.h (rs6000_return_addr): Move prototype from here...
5779 * rs6000-protos.h (rs6000_return_addr): ...to here.
5780 (rs6000_init_expanders): Delete prototype.
5782 2001-01-23 Nick Clifton <nickc@redhat.com>
5784 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5785 (Spec Files): Document %B and %j and %. and %v3 and %M and
5786 %{S*&T} spec switches.
5788 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5790 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5792 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5793 Neil Booth <neil@daikokuya.demon.co.uk>
5795 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5796 Have -Werror make pedantic warnings errors, like the
5799 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5801 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5803 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5805 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5806 * integrate.c (expand_inline_function): Initialize them.
5807 (subst_constants): If changing COMPARE so that both its arguments
5808 will be VOIDmode and the comparison mode will be lost, note
5809 compare_mode. Use the recorded compare_mode to optimize
5812 2001-01-23 Jason Merrill <jason@redhat.com>
5814 * dwarf2out.c (new_die): Use xcalloc.
5815 (output_die): Abort rather than emit a local reference to offset 0.
5817 2001-01-17 Andrew Haley <aph@redhat.com>
5819 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5820 of a saved register; return NULL instead.
5821 (copy_reg): Take a pointer to a source register rather than a
5823 (next_stack_level): Remember the address in the stack frame of all
5825 Use the saved register pointer array as the source of the CFA.
5826 (throw_helper): Rewrite. Unwind once rather than twice and keep
5827 track of saved registers as we go.
5829 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5831 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5832 * c4x.c (c4x_legitimize_reload_address): Remove.
5833 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5834 reload address for ldp(k) insn.
5836 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5838 * pa.md (return_internal): Add a USE of the PIC register to ensure
5839 it is restored after each call.
5840 (return expander): Corresponding changes.
5842 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5844 * rs6000.h (INIT_EXPANDERS): Delete.
5845 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5846 * rs6000.c (rs6000_override_options): Call *_machine_status from
5848 (rs6000_init_expanders): ...instead of here. Delete.
5849 (rs6000_mark_machine_status): New function.
5850 (rs6000_init_machine_status): Use xcalloc.
5851 (rs6000_return_addr): Generate RTX for the return address.
5852 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5853 (rs6000_stack_info): Use it.
5855 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5857 * gthr-win32.h: Include errno.h to get a declaration for
5858 EINVAL and _mingw.h if the target is mingw32.
5860 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5862 * cpp.texi: Correct typos.
5864 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5866 * explow.c (probe_stack_range): Ensure value passed to
5867 stack_check_libfunc is ptr_mode, not Pmode.
5869 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5871 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5872 case, don't use operand_subword to calculate a SUBREG that is
5875 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5877 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5879 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5880 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5881 valid. If not replace it by equivalent insns.
5883 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5885 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5886 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5887 (c4x_U_constraint, symbolic_address_operand): Likewise.
5888 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5890 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5891 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5892 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5893 anulling slot because of silicon bug.
5894 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5896 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5898 * cppexp.c (parse_charconst): Change `mask' type to agree
5901 2001-01-21 Richard Henderson <rth@redhat.com>
5903 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5904 pic_label_name in a linkonce section.
5906 2001-01-17 Philipp Thomas <pthomas@suse.de>
5908 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5910 * configure: Regenerate.
5912 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5914 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5915 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5917 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5919 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5920 If REVERSE nonzero then condition code in X must be reversed.
5921 (encode_section_info): Optimise if/else.
5922 (avr_function_value): Fix formatting.
5924 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5925 (difficult_branch): Likewise.
5926 (rvbranch): Likewise.
5927 (difficult_rvbranch): Likewise.
5929 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5931 * config/avr/libgcc.S: Fix comment.
5933 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5935 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5937 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5939 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5941 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5943 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5944 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5945 * configure, config.in: Regenerate.
5946 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5947 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5948 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5949 (doprint.o): New rule.
5951 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5953 * c-typeck.c (digest_init): Handle boolean types as scalars.
5955 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5957 * stmt.c (expand_return): Don't return anything if size is zero.
5958 Delete redundant assignment to BYTES.
5959 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5961 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5963 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5964 the same as the default library function names.
5965 * config/avr/avr.md: Document special characters after '%'.
5966 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5967 knowing which of the call-used registers are really clobbered.
5968 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5969 New. Both quotient and remainder from one libgcc.S call.
5970 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5971 clobber as few registers as possible.
5972 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5974 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5976 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5977 context of the top of the stack.
5979 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5981 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5982 (fixup_var_refs_insns): ...here.
5984 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5986 * function.c (fixup_var_refs_insns): Break up into
5987 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5988 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5989 [loop over hash table entries].
5990 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5991 fixup_var_refs_insns_with_hash, to match above changes.
5993 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5995 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5996 (libgcc.a): Likewise.
5997 (stmp-multilib): Likewise.
5998 (STAGE2_FLAGS_TO_PASS): Likewise.
6000 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6002 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6003 temporary if no_new_pseudos.
6005 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6007 * cppinternals.texi: Update.
6009 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6011 * arm.c (arm_init_builtins): Re-enable builtins.
6013 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6015 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6016 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6017 element to be null, and always expect an EXPR_LIST.
6018 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6019 * sched-deps.c (sched_analyze_1): Likewise.
6020 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6022 * regclass.c (max_set_parallel): New variable.
6023 (reg_scan): Take it into account in computation of max_parallel.
6024 (reg_scan_mark_refs, case SET): Compute it.
6026 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6028 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6029 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6031 2001-01-19 Jason Merrill <jason@redhat.com>
6033 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6034 for the abstract instance of an inline function.
6036 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6037 J"orn Rennecke <amylaar@redhat.com>
6039 * reload1.c (move2add_note_store): Treat all registers directly or
6040 indirectly derived from a base register as members of the same set
6042 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6043 of base register into account.
6045 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6047 * alias.c (find_base_value): Recognize TRUNCATE.
6048 (record_set): In PLUS case, invalidate if other summand is also a
6051 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6053 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6054 entry to be EXPR_LIST.
6055 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6056 be an EXPR_LIST (but not null, which other code doesn't allow).
6057 (note_stores): Properly handle PARALLEL in SET.
6058 Recursively call for top-level PARALLEL.
6059 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6060 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6062 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6064 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6066 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6067 not pfile->skipping (== 0).
6069 2001-01-17 Nick Clifton <nickc@redhat.com>
6071 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6074 2001-01-17 Jim Wilson <wilson@redhat.com>
6076 * invoke.texi (IA-64 options): Improve.
6078 2001-01-17 Tom Tromey <tromey@redhat.com>
6080 * invoke.texi (Optimize Options): Use `{}' to around @samp
6083 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6085 * invoke.texi (-fno-guess-branch-probability): New option.
6087 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6089 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6090 case of making new double-word constant.
6091 Revert last change: instead just test i3_subst_into_i2.
6093 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6095 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6096 Use q constraints instead of r.
6098 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6100 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6101 (machine_function): Define.
6102 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6103 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6104 pa_free_machine_status): New functions.
6105 (override_options): Set {init,mark,free}_machine_status to above.
6106 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6107 PIC_OFFSET_TABLE_REGNUM_SAVED.
6108 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6109 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6110 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6111 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6112 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6114 2001-01-15 DJ Delorie <dj@redhat.com>
6116 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6120 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6122 * flow.c (propagate_on_insn): Make trying to delete a prologue
6123 or epilogue insn an ICE, not a warning. Allow doing this if
6124 the current function returns with stack pointer depressed.
6126 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6127 I3 having more than one SET.
6129 2001-01-16 Jim Wilson <wilson@redhat.com>
6131 * invoke.texi: Document IA-64 options.
6133 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6134 (fixup_errata): Delete TARGET_A_STEP use.
6135 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6136 (TARGET_SWITCHES): Delete -ma-step option.
6137 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6138 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6139 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6140 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6141 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6142 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6144 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6145 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6146 cmovsi_internal): Delete ! TARGET_A_STEP check.
6148 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6150 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6151 possibility to report bugs via postal mail. Change a URL and
6152 merge in a nearly duplicate statement...
6153 (Bug Reporting): ...from here.
6154 (Service): Refer to the Bug Reporting section instead of
6156 (Contributing): Remove trivial explanations concerning snapshots.
6158 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6160 * cppmain.c (general_init): Don't use ANSI prototype.
6162 2001-01-16 Tom Tromey <tromey@redhat.com>
6164 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6166 2001-01-16 Richard Henderson <rth@redhat.com>
6168 * config/i386/i386.h: Fix comment typo.
6169 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6170 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6172 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6174 * gcc.c: Revert previous -fsyntax-only-related change; move
6177 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6179 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6180 inmode after checking GET_CODE (op).
6182 2001-01-16 Richard Henderson <rth@redhat.com>
6184 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6185 (MAX_MEM_SET_LIST_LEN): New.
6186 (propagate_one_insn): Update mem_set_list_len.
6187 (invalidate_mems_from_autoinc): Likewise.
6188 (invalidate_mems_from_set): Likewise.
6189 (mark_used_regs): Likewise.
6190 (init_propagate_block_info): Likewise. Stop collecting memories
6191 when we reach MAX_MEM_SET_LIST_LEN.
6192 (mark_set_1): Likewise.
6194 2001-01-16 Richard Henderson <rth@redhat.com>
6196 * unroll.c (precondition_loop_p): Fail if no iteration
6199 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6201 * gcc.c: When -fsyntax-only is given, do not complain about
6204 2001-01-15 Richard Henderson <rth@redhat.com>
6206 * config/i386/i386.c (asm_output_function_prefix): Remove.
6207 (ix86_asm_file_end): New.
6208 (load_pic_register): Generate pic_label_name into a
6209 staticly allocated buffer.
6210 * config/i386/i386-protos.h: Update.
6211 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6212 (ASM_FILE_END): New.
6213 * config/i386/i386afe.h: New file.
6214 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6215 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6216 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6217 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6218 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6219 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6220 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6222 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6224 * Makefile.in (install-man): Remove explicit dependency on
6227 * configure.in, configure: Revert previous patch requiring perl
6230 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6232 * toplev.c (flag_guess_branch_prob): New.
6233 (f_options): Add guess-branch-probability option.
6234 (rest_of_decl_compilation): Only estimate branch probability if
6236 (main): set flag_guess_branch_prob.
6238 * flags.h (flag_guess_branch_prob): New.
6240 2001-01-15 DJ Delorie <dj@redhat.com>
6242 * gcc.texi (Makefile): Add documentation for Makefile targets.
6244 2001-01-15 Philip Blundell <philb@gnu.org>
6246 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6248 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6249 (is_pic): Delete declaration.
6250 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6251 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6252 * config/arm/arm.md (builtin_setjmp_receiver): New.
6254 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6256 * arm.c (use_return_insn): Don't try to determine the function type
6257 until after reload has completed.
6258 (arm_output_epilogue): Don't adjust the sp value recovered from the
6260 (emit_multi_reg_push): Don't record dwarf information for the pc.
6261 * arm.md (eh_epilogue): The function type may have changed, so it
6262 needs to be recalculated.
6263 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6264 unwind tables on arm/netbsd.
6266 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6268 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6269 (negated_cbranchsi4): Likewise.
6271 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6273 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6274 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6275 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6276 pass -mapcs-* options to assembler.
6277 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6278 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6279 (ASM_SPEC): Call subtarget_extra_asm_spec.
6281 2001-01-15 Andreas Jaeger <aj@suse.de>
6283 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6285 (ix86_expand_builtin): Likewise.
6287 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6288 warning about comparison between signed and unsigned.
6290 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6292 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6294 2001-01-14 Ralf Baechle <ralf@gnu.org>
6296 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6297 SUBTARGET_CPP_SPEC apropriatly.
6299 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6301 * varasm.c (make_decl_rtl): Fix typo in last change.
6303 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6305 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6306 linker supports the init_priority C++ attribute.
6307 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6308 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6309 linker does not support init_priority C++ attribute.
6311 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6313 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6315 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6317 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6318 * cp/lex.c (finish_parse): Similarly.
6319 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6320 Return the number of errors encountered.
6321 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6322 * cppmain.c (main): Don't call cpp_destroy.
6324 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6326 * configure.in: Require at least perl 5.6.0 to regenerate
6328 * configure: Regenerate.
6330 2001-01-14 Richard Henderson <rth@redhat.com>
6332 * genrecog.c (DT_veclen_ge): New.
6333 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6334 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6335 (nodes_identical_1): Handle DT_veclen_ge.
6336 (write_cond, debug_decision_2): Likewise.
6338 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6340 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6342 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6344 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6346 * cppmain.c (do_preprocessing): New function; most of the old
6348 (main): Call it to do most of the work.
6349 (cb): Move from global scope to set_callbacks ().
6350 (setup_callbacks): Get the callback pointer.
6351 (general_init, printer_init): Clean up code and comments.
6353 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6355 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6358 2001-01-14 Kazu Hirata <kazu@hxi.com>
6360 * config/h8300/h8300.c (get_shift_alg): Update comments.
6362 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6364 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6365 (alloc_page, ggc_alloc): Add casts to remove warnings.
6367 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6369 * combine.c (simplify_comparison): Don't change `code' when
6370 can't reverse comparison.
6372 2001-01-14 Richard Henderson <rth@redhat.com>
6374 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6375 update all call sites. Return true for all non-label constants.
6377 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6379 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6381 (ix86_expand_branch): Update.
6382 (ix86_expand_setcc): Update to handle multiple test conditions.
6383 (expand_int_movcc): Likewise.
6384 (expand_fp_movcc): Likewise.
6385 * i386-protos.h (ix86_expand_compare): New.
6386 * i386.md (andqi_?_slp, orqi_?_slp): New.
6387 (conditional trap expander): Update call to ix86_expand_compare.
6389 2001-01-14 Richard Henderson <rth@redhat.com>
6391 * config/vax/vax.md: Use nonimmediate_operand instead of
6392 general_operand in destinations.
6394 * config/vax/vax.md (indirect_jump): Use register_operand.
6396 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6397 * config/vax/vax.md (call_pop): Turn into an expander.
6398 (call_value_pop): Likewise.
6399 (call, call_value): New.
6401 2001-01-14 Andreas Jaeger <aj@suse.de>
6403 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6405 (ix86_fp_compare_mode): Add unused attribute.
6406 (ix86_expand_fp_movcc): Remove unused variable.
6407 (ix86_expand_builtin): Make fcode unsigned.
6409 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6410 (expand_expr): Add cast to avoid signed warning.
6411 (store_field): Likewise.
6412 (store_constructor_field): Likewise.
6413 (store_constructor): Likewise.
6414 (store_expr): Likewise.
6415 (clear_storage): Likewise.
6416 (emit_group_store): Likewise.
6417 (emit_group_load): Likewise.
6419 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6421 * c-common.c: Move format checking code to ...
6422 * c-format.c: ... here. New file. Reorder some functions and
6424 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6426 * c-common.h (decl_handle_format_attribute,
6427 decl_handle_format_arg_attribute): Declare.
6428 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6429 (c-common.o): Adjust dependencies.
6430 (c-format.o): New list of dependencies.
6432 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6434 * unroll.c (loop_iterations): If we cannot prove iteration variable
6435 is set once in each iteration, punt.
6437 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6439 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6440 (*strlenhi): Remove clobber (which was buggy) of output address.
6442 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6444 * Makefile.in (generated-manpages): Add gcc.1
6445 ($(srcdir)/gcc.1): New target.
6446 (maintainer-clean): Delete $(srcdir)/gcc.1.
6447 * gcc.texi: Add macros @gccoptlist and @gol.
6448 * invoke.texi: Include option summary in manpage. Mark up option
6449 summary with @gccoptlist and @gol. Use @r in one place where
6451 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6452 * gcc.1: Generate from invoke.texi.
6454 2001-01-13 Richard Henderson <rth@redhat.com>
6456 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6457 (struct page_entry): Add group member.
6458 (struct page_group): New.
6459 (struct globals): Add page_groups member.
6460 (alloc_anon): Only define for using mmap; remove valloc call.
6461 (page_group_index): New.
6462 (set_page_group_in_use): New.
6463 (clear_page_group_in_use): New.
6464 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6465 (free_page, release_pages): Likewise.
6466 * configure.in (with-gc): Default to ggc-page always.
6468 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6470 * reload1.c (replace_pseudos_in_call_usage): Use
6471 reg_equiv_constant and reg_equiv_address, and don't try
6472 regno_reg_rtx first.
6474 2001-01-13 Richard Henderson <rth@redhat.com>
6476 * ggc-page.c (alloc_page): Round up allocation size to one page.
6477 Set e->order on extra pages.
6479 2001-01-13 Richard Henderson <rth@redhat.com>
6481 * genrecog.c (nodes_identical): Expand commentary.
6482 (write_switch): Watch out for identical nodes.
6484 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6486 * cppfiles.c (_cpp_fake_include): New function.
6487 * cpphash.h (_cpp_fake_include): New.
6488 * cpplib.c (do_line): Call _cpp_fake_include when entering
6489 header files in preprocessed input.
6490 * cppmain.c (cb_pragma_implementation): Remove handling.
6491 (setup_callbacks): Don't register pragmas.
6493 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6495 * extend.texi: Udate for CPP.
6497 2001-01-13 Andreas Jaeger <aj@suse.de>
6499 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6501 * regmove.c: Add prototype for replace_in_call_usage.
6503 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6505 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6506 struct cpp_chunk, struct htab, struct toklist,
6507 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6508 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6509 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6510 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6511 (struct macro_args): Delete.
6512 * cpphash.h: See above.
6514 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6516 * cppmain.c (struct printer): Remove no_line_dirs.
6518 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6519 : Use options rather than CPP_OPTION.
6520 (setup_callbacks): Use cb rather than pfile->cb.
6521 (main): No need to check for a buffer. Use cpp_errors.
6522 (printer_init): Don't set no_line_dirs.
6523 (maybe_print_line): Use options not no_line_dirs.
6524 (cb_file_change): Don't call print_line if -P.
6526 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6528 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6530 * c-parse.in (finish_parse): Use cpp_errors.
6531 (__yylex): Use return value of cpp_pop_buffer.
6532 * cp/lex.c (finish_parse): Use cpp_errors.
6533 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6535 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6537 * README.AVR: URLs corrected.
6539 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6541 * c-decl.c (start_function): Don't warn if old prototype is builtin
6542 that's not in C's namespace.
6543 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6544 (_bb): Add prototype for ctime.
6545 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6547 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6549 * i386.c (ix86_fp_comparison_arithmetics_cost,
6550 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6551 ix86_fp_comparison_cost): New functions.
6552 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6553 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6554 two-branch sequences; make static.
6555 (ix86_use_fcomi_compare): Do decision according to the costs.
6556 (split_fp_branch): New.
6557 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6558 * i386-protos.h (ix86_expand_fp_compare): Remove
6559 (ix86_split_fp_branch): Declare.
6561 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6562 and ix86_comparison_operator.
6564 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6567 * i386.c (put_condition_code): Output properly the unordered/ordered
6568 compares in fp case.
6569 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6571 * tm.texi (REVERSE_CONDITION): Document.
6572 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6573 in -ffast-math mode.
6574 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6576 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6578 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6580 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6583 * config/sh/sh.c (mova_p): Fix test for mova_const.
6585 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6587 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6588 cpp_get_options rather than dereferencing pfile and using
6590 * scan-decls.c (scan_decls): Use return value of
6591 cpp_pop_buffer rather than CPP_BUFFER.
6593 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6595 * cppinit.c (cpp_handle_option): help_only is now part of the
6596 cpp_options structure.
6597 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6598 cpp_set_callbacks): New functions.
6599 * cpplib.h (cpp_callbacks): Break out as a named structure.
6600 (cpp_options): Move help_only here from cpp_reader.
6601 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6602 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6603 cpp_set_callbacks): New prototypes.
6604 * cppmain.c (main): Update for help_only.
6606 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6608 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6609 Also build and remove and install and uninstall c-tree.info and
6611 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6612 ($(srcdir)/cppinternals.info): New target.
6613 * c-tree.texi: Change file name used when makeinfo used without -o
6614 from ir.info to c-tree.info. Add info directory entry.
6615 * cppinternals.texi: Add info directory entry.
6616 * .cvsignore: Update.
6618 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6620 * c-typeck.c (store_init_value): Don't require constant initializer
6621 elements with -pedantic -std=c99.
6622 (digest_init): Change error about non-constant initializer elements
6624 (constructor_range_end): Remove.
6625 (constructor_incremental, designator_depth,
6626 designator_errorneous): New variables.
6627 (struct constructor_stack): Remove range_end, add incremental.
6628 (struct constructor_range_stack, constructor_range_stack): New.
6629 (struct initializer_stack): Add constructor_range_stack.
6630 (finish_init): Set it.
6631 (start_init): Likewise. require_constant_elements for non-static
6632 trees only if not flag_isoc99.
6633 (really_start_incremental_init): Remove constructor_range_end, add
6634 constructor_incremental.
6635 (pop_init_level): Likewise.
6636 (push_init_level): Likewise. If implicit and the subobject had some
6637 value set already, preinitialize the level with it.
6638 Warn about missing braces only if not pushing due to designators.
6639 (set_designator, push_range_stack): New functions.
6640 (set_init_label): Use them.
6641 (set_init_index): Likewise. Remove constructor_range_end.
6642 Error if designator index is outside of array bounds.
6643 (add_pending_init): Compare values of purpose index trees, not the
6644 trees themselves. Allow overwriting of already initialized element.
6645 Issue a warning if it had side-effects.
6646 (set_nonincremental_init, set_nonincremental_init_from_string): New
6648 (pending_init_member): Rename to...
6649 (find_init_member): ...this function. Call set_nonincremental_init
6650 if necessary. Compare values of purpose index trees, not the trees
6651 themselves. Return the actual value, not just non-zero if something
6653 (output_init_element): Remove checks for duplicates.
6654 If field has zero size, only check the initializer for correctness.
6655 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6656 if constructor_incremental is zero. Change error about initializers
6657 not computable at load time into pedwarn.
6658 (output_pending_init_elements): Compare bit positions, not
6659 FIELD_DECLs to take into account zero-sized fields.
6660 (process_init_element): Use constructor_range_stack to fill all
6661 ranges in the designator lists from current level up.
6662 * extend.texi: Update documentation for labeled elements.
6664 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6666 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6667 to function usage for arguments passed by reference. Optimize
6668 callee-copied arguments.
6669 * regmove.c (replace_in_call_usage): New function.
6670 (fixup_match_1): Call it.
6671 * cse.c (cse_insn): Canonicalize registers in function usage.
6672 * reload1.c (replace_pseudos_in_call_usage): New function.
6675 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6678 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6680 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6683 2001-01-12 DJ Delorie <dj@redhat.com>
6685 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6686 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6689 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6691 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6692 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6693 -std options alongside references to -ansi. Update some
6694 documentation for C99.
6695 * cpp.1: Regenerate.
6697 2001-01-12 Andreas Jaeger <aj@suse.de>
6699 * haifa-sched.c (restore_line_notes): Remove argument block B
6701 * sched-ebb.c (schedule_ebb): Change caller.
6702 * sched-rgn.c (schedule_region): Likewise.
6703 * sched-int.h (restore_line_notes): Adjust prototype.
6705 * loop.h: Remove wrong declaration of doloop_condition_get.
6707 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6709 * extend.texi: Move C++-extension-related node from the C section
6710 into the C++ section.
6712 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6714 * extend.texi: Refer to an array of pointers to functions instead
6715 of one of functions.
6717 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6718 Jan Hubicka <jh@suse.cz>
6720 * combine.c (reversed_comparison): Fix typo in last patch.
6722 (combine_reversed_comparison_code): Make static to follow
6723 prototype declaration.
6725 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6727 * install.texi: Remove misplaced duplicate entry.
6729 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6731 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6733 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6735 * final.c: (leaf_function_p): Fix typo.
6737 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6739 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6740 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6742 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6743 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6744 mmap_anon, and valloc is available.
6745 * ggc-page.c: Restructure ifdef logic to match new autoconf
6746 spec. Don't throw away the test page in init_ggc.
6748 * configure, config.in: Regenerate.
6750 2001-01-12 Michael Hayes <mhayes@redhat.com>
6752 * loop.h (total_biv_increment): Constify iv_class pointer.
6753 (struct induction): Replace `mem_mode' with `mem' rtx.
6754 * unroll.c (total_biv_increment): Constify iv_class pointer.
6755 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6756 (find_mem_givs, combine_givs_p): Likewise.
6757 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6759 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6761 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6763 (__gthread_getspecific): Ditto.
6765 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6767 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6768 put_condition_code): Convert fp comparison codes to integer
6770 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6773 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6774 * i386-protos.h (no_comparison_operator): Kill.
6776 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6778 * combine.c (REVERSIBLE_CC_MODE): Remove.
6779 (reversible_comparison_p): Remove.
6780 (combine_reversed_comparison_code): New.
6781 (reversed_comparison): New.
6782 (combine_simplify_rtx): Use
6783 combine_reversed_comparison_code/reversed_comparison instead
6784 of reversible_comparison_p.
6785 (simplify_if_then_else): Likewise.
6786 (simplify_set): Likewise.
6787 (simplify_logical): Likewise.
6788 (if_then_else_cond): Likewise.
6789 (known_cond): Likewise.
6790 (simplify_comparison): Likewise.
6792 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6794 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6795 sizeof (int) is larger than sizeof(__word__).
6797 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6799 * cppinit.c (do_includes): Fix typo.
6801 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6803 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6804 in S_REGS does not occur because not all sources are possible
6805 when a S_REGS is a destination (sometimes needs a clobber).
6806 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6807 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6808 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6809 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6810 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6811 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6812 (lshrdi_const1, lshrsi3_const16): Likewise.
6813 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6814 (*movhi_68hc12, *movqi_68hc12): Likewise.
6815 (movstrictqi): Make sure reloading in D_REGS as a destination
6818 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6820 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6822 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6824 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6825 -D, -U and -A, and don't initialize the builtins.
6826 (do_includes): Error if -include or -imacros with -fpreprocessed.
6827 * cppmain.c (cb_define, cb_undef): Unconditionally process
6829 * tradcpp.c (main): Fix typo.
6831 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6833 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6834 (read_name_map): Use IS_ABSOLUTE_PATH.
6835 * tradcpp.c (get_filename): Likewise.
6837 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6839 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6840 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6841 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6842 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6843 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6844 (cmphi_z_used): Don't use '@' for the output.
6845 (tstqi_z_used): Likewise.
6846 (cmpqi_z_used): Likewise.
6847 (one_cmplsi2): Likewise.
6849 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6851 * config/sh/sh.c (barrier_align): Recognize branch around far
6852 branch and redundant insn.
6854 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6856 * invoke.texi: Restore documentation of the drivers' switches -MD
6859 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6861 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6863 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6864 check-objc//%): Support parallel testing of multilibs.
6865 (TESTSUITEDIR): Set to testsuite by default, but override for
6867 (check-gcc, check-g++, check-g77, check-objc): Enter
6870 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6872 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6873 * sched-deps.c (deps_may_trap_p): Likewise.
6874 * basic-block.h: Remove a comment.
6875 * flow.c (PROP_POSTRELOAD): Remove.
6876 (update_life_info): Don't add it to prop_flags.
6877 (mark_set_1): Lose the code that was enabled by it.
6879 2001-01-11 Michael Hayes <mhayes@redhat.com>
6881 * flow.c (flow_call_edges_add): New.
6882 * basic_block.h (flow_call_edges_add): New.
6884 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6886 * reload1.c (move2add_note_store): Update reg_set_luid even if
6887 base reg remains the same.
6889 2001-01-10 Nick Clifton <nickc@redhat.com>
6891 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6892 machine_function structure to zero.
6893 Add prototypes for machine_status functions.
6895 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6897 * c-common.h (CTI_VOID_LIST): Remove.
6898 (void_list_node): Likewise.
6899 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6900 (void_list_node): New macro.
6901 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6902 * config/i386/i386.c (ix86_init_builtins): Likewise.
6903 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6905 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6907 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6908 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6910 * tradcpp.c: Include mkdeps.h.
6911 (deps, print_deps_phony_targets, deps_append, output_deps,
6912 init_dependency_output, output_deps): New.
6913 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6914 deps_output): Delete.
6915 (print_deps_missing_files): Rename deps_missing_files.
6916 (inhibit_output): Make global.
6917 (main): Delete inhibit_output, deps_stream, deps_target.
6918 Use mkdeps functionality in the same way as cpplib. Remove
6919 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6920 -M and -MM. Remove old handling of deps via deps_out, and
6921 old reading of environment variables.
6922 (get_filename): Update to use deps_add_dep.
6924 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6926 * output.h (make_function_rtl): Remove prototype.
6927 (make_decl_rtl): Likewise.
6928 * varasm.c (make_function_rtl): Remove.
6929 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6930 than from a third parameter.
6931 * tree.h (make_decl_rtl): Remove last parameter.
6932 * c-decl.c (builtin_function): Remove last argument in call to
6933 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6934 (start_function): Likewise.
6935 * except.c (call_get_eh_context): Likewise.
6936 * expr.c (emit_block_move): Likewise.
6937 (clear_storage): Likewise.
6938 * profile.c (output_func_start_profiler): Likewise.
6939 * toplev.c (rest_of_decl_compilation): Likewise.
6940 * objc/objc-act.c (create_builtin_decl): Likewise.
6941 (synth_module_prologue): Likewise.
6942 (generate_static_reference): Likewise.
6943 (build_selector_reference_decl): Likewise.
6944 (build_class_reference_decl): Likewise.
6945 (build_objc_string_decl): Likewise.
6946 (build_protocol_reference): Likewise.
6948 2001-01-10 Richard Henderson <rth@redhat.com>
6950 * hwint.h: Revert yesterday's change.
6952 2001-01-10 Nick Clifton <nickc@redhat.com>
6954 * function.h (save_machine_status): Delete.
6955 (restore_machine_status): Delete.
6956 Amend comment describing {init|mark|free}_machine_status.
6958 * function.c (save_machine_status): Delete.
6959 (restore_machine_status): Delete.
6960 Amend comment describing {init|mark|free}_machine_status.
6961 (push_function_context_to): Remove invocation of
6962 save_machine_status.
6963 (pop_function_context_from): Remove invocation of
6964 restore_machine_status.
6966 * emit-rtl.c (init_emit_once): Amend comment describing
6967 {init|mark|free}_machine_status.
6969 * tm.texi (Per-Function Data): New node. Describe the
6970 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6973 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6975 * cppinit.c (OPT_g): Remove.
6976 (cpp_handle_option): Update for removed -g3.
6977 (print_help): Update.
6978 * cpplib.h (struct cpp_options): Remove debug_output.
6979 * cppmain.c (setup_callbacks, cb_define): Update.
6980 * gcc.c (cpp_options): Translate -g3 to -dD.
6982 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6984 * config/i960/i960.md: Change modifier to + on the zero_extract
6985 pattern after the (rotate -2 reg) canonicalization pattern.
6987 2001-01-10 Richard Henderson <rth@redhat.com>
6989 * config/alpha/alpha.c (alpha_free_machine_status): New.
6990 (override_options): Install it.
6991 (alpha_mark_machine_status): Verify machine non-null.
6992 * config/i386/i386.c (ix86_free_machine_status): New.
6993 (override_options): Install it.
6994 (ix86_init_machine_status): Use xcalloc.
6995 (ix86_mark_machine_status): Verify machine non-null.
6996 * config/ia64/ia64.c (ia64_free_machine_status): New.
6997 (ia64_override_options): Install it.
6998 (ia64_mark_machine_status): Verify machine non-null.
7000 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7002 * function.c (instantiate_virtual_regs): Instantiate virtual
7003 registers found in CALL_INSN_FUNCTION_USAGE.
7005 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7007 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7008 equivalent to -ansi in disabling -Di386.
7010 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7012 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7014 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7016 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7018 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7020 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7022 * invoke.texi: Document that -fcond-mismatch isn't supported for
7025 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7027 * gcc.texi: Define macro gcctabopt.
7028 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7029 @command, @env and @option in some places where appropriate. Use
7030 @gcctabopt where appropriate. Put URLs and email addresses inside
7033 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7035 * gcc.c (cpp_options): Set MD file name from output
7036 filename, if specified.
7037 (suffix_subst): New static variable.
7038 (do_spec): Clear it.
7039 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7041 (give_switch): Handle suffix_subst.
7043 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7045 * invoke.texi: Fix another typo.
7047 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7049 * invoke.texi: Fix typo.
7051 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7053 * c-lang.c (lang_hooks): Update.
7054 (lang_decode_option): Remove.
7055 (lang_init_options): Rename c_init_options.
7056 * toplev.c (main): Use lang_hooks for lang_init_options
7057 and lang_decode_option.
7058 * toplev.h (lang_hooks): Add 2 new hooks.
7059 * tree.h: Remove lang_init_options and lang_decode_option.
7060 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7061 * cp/decl2.c: Similarly.
7062 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7063 (lang_hooks): Update.
7064 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7066 (lang_init_options): Rename ffe_init_options.
7067 (lang_hooks): Update.
7068 (lang_decode_option): Remove.
7069 * java/lang.c (lang_init_options): Rename java_init_options.
7070 (lang_decode_option): Rename java_decode_option.
7071 (lang_hooks): Update.
7072 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7073 (lang_decode_option): Rename objc_decode_option.
7074 (lang_hooks): Update.
7076 2001-01-09 Nick Clifton <nickc@redhat.com>
7078 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7079 (d30v_return_addr_rtx): Delete.
7080 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7081 cfun->machine structure.
7082 (struct machine_function): Move to d30v.h
7083 (d30v_save_machine_status): Delete.
7084 (d30v_restore_machine_status): Delete.
7085 (d30v_init_machine_status): New Function.
7086 (d30v_mark_machine_status): New Function.
7087 (d30v_free_machine_status): New Function.
7088 (d30v_init_expanders): Use new functions.
7089 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7090 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7091 d30v_return_addr_rtx.
7093 * config/d30v/d30v.h (struct_machine): Move here.
7094 Add eh_epilogue_sp_ofs field.
7096 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7097 field in cfun->machine structure.
7099 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7101 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7102 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7103 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7105 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7107 * objc/lang-options.h: Remove bogus reference to
7110 2001-01-09 Kazu Hirata <kazu@hxi.com>
7112 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7115 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7117 * reload.c (find_reloads_address): Check for eliminable registers
7118 when substituting a constant expression for a pseudo.
7120 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7122 * c-common.c (enum format_type): Add format_type_error.
7123 (decode_format_type): New function.
7124 (decl_attributes): Use it.
7125 (format_kind_info): Adjust comment.
7127 2001-01-09 David O'Brien <obrien@BSDi.com>
7129 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7130 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7132 * config/i386/gnu.h: Don't include required platform specific .h files,
7133 tm.h will do it instead.
7134 * config/i386/i386elf.h: Likewise.
7135 * config/i386/linux.h: Likewise.
7136 * config/i386/moss.h: Likewise.
7137 * config/mips/gnu.h: Likewise.
7139 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7141 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7142 (rs6000-ibm-aix3.[01]*): Likewise.
7143 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7144 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7145 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7146 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7147 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7148 (powerpc-*-eabiaix*): Likewise.
7149 (powerpc-*-eabisim*): Likewise.
7150 (powerpc-*-elf*): Likewise.
7151 (powerpc-*-eabi*): Likewise.
7152 (powerpc-*-rtems*): Likewise.
7153 (powerpc-*-linux*libc1): Likewise.
7154 (powerpc-*-linux*): Likewise.
7155 (powerpc-wrs-vxworks*): Likewise.
7156 (powerpcle-wrs-vxworks*): Likewise.
7157 (powerpcle-*-sysv*): Likewise.
7158 (powerpcle-*-elf*): Likewise.
7159 (powerpcle-*-eabisim*): Likewise.
7160 (powerpcle-*-eabi*): Likewise.
7161 (powerpcle-*-solaris2*): Likewise.
7162 * config/rs6000/aix31.h: Delete includes.
7163 * config/rs6000/aix3newas.h: Likewise.
7164 * config/rs6000/aix41.h: Likewise.
7165 * config/rs6000/aix43.h: Likewise.
7166 * config/rs6000/beos.h: Likewise.
7167 * config/rs6000/rtems.h: Likewise.
7168 * config/rs6000/sysv4.h: Likewise.
7170 2001-01-09 Kazu Hirata <kazu@hxi.com>
7172 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7173 Change an argument mode of machine_mode to shift_mode of
7174 shift_mode. Remove an extra error check.
7175 (emit_a_shift): Adopt to the new calling prototype of
7177 (function_prologue): Fix code for a monitor
7178 function. Support H8/S.
7179 (function_epilogue): Do not output pop for a monitor function.
7181 2001-01-09 Nick Clifton <nickc@redhat.com>
7183 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7184 (setup_incoming_varargs): Use sysv_varargs_p field of the
7185 cfun->machine structure.
7186 (struct machine_function): Move to rs6000.h
7187 (rs6000_save_machine_status): Delete.
7188 (rs6000_restore_machine_status): Delete.
7189 (rs6000_init_machine_status): New Function.
7190 (rs6000_free_machine_status): New Function.
7191 (rs6000_init_expanders): Use new functions.
7193 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7195 (struct machine_function): Move here.
7197 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7198 sysv_varargs_p field of the cfun->machine structure.
7200 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7202 (rs6000_restore_machine_status): Remove prototype.
7204 2001-01-09 Richard Henderson <rth@redhat.com>
7206 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7207 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7208 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7209 (sched_analyze_2, sched_analyze_insn): Likewise.
7210 (sched_analyze, init_deps): Likewise.
7211 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7212 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7213 (compute_block_backward_dependences): Update propagate_deps call.
7215 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7217 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7219 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7221 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7222 (cpp_handle_option): Handle them.
7223 (cpp_post_options): Ensure one of -M or -MM is specified with
7224 any other -M? option.
7225 (init_dependency_output): Suppress output with -MG.
7227 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7230 * invoke.texi: Update.
7232 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7234 * sh.md (reload_outsf): Generate recognizable patterns for
7237 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7239 * c-lang.c (lang_hooks): Update.
7240 (lang_init): Rename c_init.
7241 (lang_finish): Remove.
7242 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7244 * toplev.h (lang_hooks): Add init () and finish ().
7245 * tree.h (lang_init, lang_finish): Remove.
7246 * cp/tree.h (lang_init, lang_finish): Remove.
7247 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7248 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7250 (lang_init, lang_finish): Remove.
7251 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7252 (lang_hooks): Update.
7253 * java/lang.c (lang_init): Rename java_init.
7254 (lang_finish): Remove.
7255 (lang_hooks): Update.
7256 * objc/objc-act.c (lang_init): Rename objc_init.
7257 (lang_finish): Remove.
7258 (lang_hoooks): Update.
7260 20001-01-09 Graham Stott <grahams@redhat.com>
7262 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7263 after `ptr` is initialised.
7265 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7267 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7268 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7269 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7270 stack adjusts, instead of r3.
7272 2001-01-09 Michael Hayes <mhayes@redhat.com>
7274 * flow.c (flow_loop_scan): Break out of ...
7275 (flow_loops_find) ... here.
7276 * basic-block.h (flow_loop_scan): New.
7277 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7278 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7280 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7282 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7284 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7285 realloc()ing macro_buffer.
7287 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7288 if it's wider than long and the target's long is wider than the
7291 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7293 Remove support for using UWIN as a host machine.
7294 * configure.in: Issue an error message.
7295 * configure: Regenerated.
7296 * config.gcc: Remove xm_* UWIN configury.
7297 * config/i386/xm-uwin.h: Remove.
7299 2001-01-08 Nick Clifton <nickc@redhat.com>
7301 * config/v850/v850.c (ra_rtx): Delete.
7302 (v850_save_machine_status): Delete.
7303 (v850_restore_machine_status): Delete.
7304 (v850_init_machine_status): New function.
7305 (v850_mark_machine_status): New function.
7306 (v850_free_machine_status): New function.
7307 (v850_return_addr): Use ra_rtx field in machine structure.
7308 (v850_init_expanders): Use new functions.
7310 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7311 * config/v850/v850.c: Change arguments to v850_output+* functions
7312 to take a const char *, to avoid compile time warning.
7313 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7314 (USER_LABEL_PREFIX): Redefine.
7316 2000-01-08 Jim Wilson <wilson@redhat.com>
7318 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7319 1 to unsigned HOST_WIDE_INT before left shift.
7321 2001-01-08 Nick Clifton <nickc@redhat.com>
7323 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7324 the machine structure has been allocated.
7325 (arm_free_machine_status): New function: Free the machine
7326 specific function structure.
7328 2001-01-08 Richard Henderson <rth@redhat.com>
7330 * jump.c (simplejump_p): Revert last change.
7332 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7334 * cppinit.c (init): Rename init_library.
7335 (cpp_create_reader): Update.
7336 * gcc.c (cpp_options): If -o given, use it as the target of
7339 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7341 * arm.c (arm_arch5e): New variable.
7342 (all_cores): XScale is a 5TE device.
7343 (arm_override_options): Set arm_arch5e.
7344 (arm_init_builtins): __builtin_prefetch is in arch5e.
7345 * arm.h (arm_arch5e): Declare it.
7347 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7349 * arm.md (define_constants): Add defines for UNSPEC and
7350 UNSPEC_VOLATILE insns. Update all users.
7351 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7352 * arm.c (multi_register_push, note_invalid_constants)
7353 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7354 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7355 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7357 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7359 * jump.c (jump_optimize_1): Use reversed_comparison_code
7360 instead of can_reverse_comparison_p.
7361 (jump_back_p): Likewise.
7362 (invert_exp_1): Likewise.
7363 (thread_jumps): Likewise.
7364 * simplify-rtx.c (simplify_unary_operation): Likewise.
7365 (simplify_ternary_operation): Likewise.
7366 * cse.c (find_comparison_args): Convert to use
7367 can_reverse_comparison_p.
7368 (record_jump_equiv): Likewise.
7370 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7372 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7373 (EPILOGUE_USES): Define.
7374 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7375 automatically stack the LR if it isn't live.
7377 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7379 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7382 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7384 * ggc-page.c (max_alignment): New structure.
7385 (MAX_ALIGNMENT): New macro.
7386 (init_ggc): Use it to round up the sizes in the
7387 extra_order_size_table.
7389 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7391 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7394 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7396 * builtins.def (BUILT_IN_FPRINTF): New entry.
7398 * c-common.c (c_expand_builtin_fprintf): New function.
7399 (init_function_format_info): Handle __builtin_fprintf.
7400 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7401 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7403 * c-decl.c (duplicate_decls): Adjust comment.
7405 * extend.texi (fprintf): Document new builtin.
7407 2001-01-07 Richard Henderson <rth@redhat.com>
7409 * jump.c (simplejump_p): Recognize any single_set jump
7412 2001-01-07 Richard Henderson <rth@redhat.com>
7414 * configure.in (slibdir): Accept an --with-slibdir option.
7415 Use "test" not "[" in configure. Default to $(libdir).
7417 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7419 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7420 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7421 (SHLIB_LINK): Create links for the soname.
7422 * config/mips/t-iris6: Likewise.
7423 * config/sparc/t-slibgcc: Likewise.
7424 * config/sparc/t-slibgcc-sld: Likewise.
7426 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7428 * config/i386/i386.c (constant_call_address_operand): Accept
7429 (const (plus (symbol_ref) (const_int))).
7430 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7431 constant_call_address_operand.
7433 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7435 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7436 and LONG_LONG_TYPE_SIZE > 32.
7438 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7440 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7441 the previous change.
7443 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7445 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7447 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7448 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7449 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7452 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7454 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7456 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7458 * c-lang.c (c_post_options): Call cpp_post_options.
7459 * objc/objc-act.c (objc_post_options): Similarly.
7460 * cppmain.c (main): Similarly.
7461 * fix-header.c (read_scan_file): Similarly.
7462 * cppinit.c (cpp_start_read): Move option consistency checks
7463 to cpp_post_options. Don't call init_dependency_output.
7464 If needed, add default target and main file dependency.
7465 (OPT_MD, OPT_MMD): Remove.
7467 (cpp_handle_option): Update for OPT_* changes.
7468 (cpp_post_options): New.
7469 (init_dependency_output): Command line -MF overrides environment
7470 variables. Don't set default target etc. Suppress output
7471 if dependencies are going to stdout.
7472 (print_help): Update.
7473 * cpplib.h (cpp_post_options): New.
7474 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7476 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7478 * jump.c (comparison_dominates_p): Support unordered compares.
7480 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7482 * simplify-rtx.c (simplify_relational_operation): Always simplify
7483 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7486 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7488 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7489 (nonzero_bits): Likewise.
7490 (simplify_comparison): Likewise.
7491 (num_sign_bit_copies): Likewise; return more sane value depending
7492 on STORE_FLAG_VALUE.
7493 (known_cond): Do not assume EQ to be always true for equivalent
7496 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7498 * cse.c (fold_rtx): Handle unordered comparisons.
7500 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7502 * rtlanal.c (set_of_1): New static function.
7503 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7504 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7505 reg_set_last_last_regno): Remove.
7506 (set_of): New global function.
7507 (set_of_data): New structure.
7508 (reg_set_p, reg_set_last): Revamp for set_of.
7509 * rtl.h (set_of): New.
7511 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7513 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7514 * extend.texi: Document _Exit builtin.
7516 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7518 * (initialize, initialize_builtins,
7519 initialize_dependency_output, initialize_standard_includes):
7520 Rename s/initialize/init. Update.
7521 (init_dependency_output): Move to after
7522 cpp_handle_options, the correct location temporally at least.
7523 (opt_comp): Move next to init (), its caller. Fix prototype.
7524 (init): Make "initialized" local scope.
7525 (cpp_create_reader): Always call init ().
7526 (cpp_start_read): Update.
7527 (output_deps): New function, broken out of cpp_finish.
7528 (cpp_finish): Break out output_deps.
7530 2001-01-07 Richard Henderson <rth@redhat.com>
7532 * collect2.c (COFF specific stuff): Revert 12-06 patch
7533 to prototype system functions.
7535 2001-01-07 Michael Hayes <mhayes@redhat.com>
7537 * hard-reg-set.h: Add multiple include guard.
7538 * basic-block.h (struct loop): Add `sink' field.
7539 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7540 (emit_iv_add_mult): Delete.
7541 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7542 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7543 (unroll_loop): Remove end_insert_before argument.
7544 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7545 (maybe_eliminate_biv_1): Likewise.
7546 (emit_iv_add_mult): Delete.
7547 (gen_add_mult, loop_regs_update): New.
7548 (loop_insn_emit_after, loop_insn_emit_before): New.
7549 (loop_insn_sink, loop_insn_sink_or_swim): New.
7550 (emit_iv_add_mult): Delete.
7551 (scan_loop): Set loop->sink.
7552 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7553 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7554 (maybe_eliminate_biv_1): Likewise.
7555 (maybe_eliminate_biv_1): Add basic block argument.
7556 * unroll.c (unroll_loop): Remove end_insert_before argument.
7557 (find_splittable_regs): Likewise.
7558 (find_splittable_regs): Use loop_insn_sink and its ilk.
7559 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7561 2001-01-07 Michael Hayes <mhayes@redhat.com>
7563 * loop.h (loop_insn_hoist): New prototype.
7564 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7565 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7566 (check_dbra_loop, load_mems): Likewise.
7567 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7568 (find_splittable_givs): Likewise.
7570 2001-01-07 Michael Hayes <mhayes@redhat.com>
7572 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7574 2001-01-07 Richard Henderson <rth@redhat.com>
7576 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7578 2001-01-07 Richard Henderson <rth@redhat.com>
7580 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7581 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7582 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7583 variant that handles a shared libgcc.
7584 (process_command): Always validate -{static,shared}-libgcc.
7585 (do_spec_1): New 'M' case.
7586 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7588 2001-01-07 Richard Henderson <rth@redhat.com>
7590 * Makefile.in (slibdir): New variable.
7591 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7592 (installdirs): Create slibdir.
7593 (install-libgcc, install-multilib): Defer to libgcc.mk.
7594 * configure.in (slibdir): Substitute.
7595 * mklibgcc.in (install): New target.
7597 * config/t-linux (SHLIB_LINK): Create links for the soname.
7598 (SHLIB_INSTALL): New.
7599 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7600 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7601 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7602 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7603 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7605 2001-01-07 Richard Henderson <rth@redhat.com>
7607 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7608 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7609 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7611 2001-01-07 Michael Hayes <mhayes@redhat.com>
7613 * loop.c (count_loop_regs_set): Delete.
7614 (load_mems_and_recount_loop_regs_set): Delete.
7615 (loop_regs_scan): Merge common code from count_loop_regs_set,
7616 scan_loop, and load_mems_and_recount_loop_regs_set.
7617 (scan_loop): Call load_mems directly and loop_regs_scan
7618 again if new registers created.
7620 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7622 * toplev.c (main): Call the front-end specific post_options
7623 hook if one is given.
7624 * toplev.h (struct_lang_hooks, lang_hooks): New.
7625 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7626 for the C front end.
7627 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7628 lang_hooks for the C++ front end.
7629 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7630 lang_hooks for the ObjC front end.
7631 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7632 * java/lang.c (lang_hooks): Hooks for the Java front end.
7634 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7636 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7637 for verbose DWARF[2] debugging.
7638 (cb_define, cb_undef): The new callbacks.
7639 * toplev.h (debug_define, debug_undef): Make const correct.
7640 * toplev.c (debug_define, debug_undef): Similarly. Do not
7641 perform the verbosity tests here anymore.
7643 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7645 * reload.c (subst_reloads): Take INSN argument. When
7646 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7647 * reload.h (subst_reloads): Adjust prototype.
7648 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7649 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7650 present in JUMP_INSNs and copy them to JUMP_LABEL.
7651 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7652 JUMP_INSNs and insns with REG_LABELs that are followed by
7653 JUMP_INSNs with the same REG_LABEL.
7654 * sched-rgn.c (is_cfg_nonregular): Likewise.
7655 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7657 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7659 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7661 2001-01-06 Richard Henderson <rth@redhat.com>
7663 * loop.c (scan_loop): Use xcalloc for the regs array.
7664 (load_mems_and_recount_loop_regs_set): Zero the new memory
7665 received from xrealloc.
7667 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7669 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7671 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7673 * integrate.c (copy_rtx_and_substitute): When copying
7674 an ignored return value, strip REG_FUNCTION_VALUE_P.
7676 2001-01-06 Michael Hayes <mhayes@redhat.com>
7678 * loop.c (debug_biv, debug_giv): New.
7679 (loop_biv_dump): Break out from ...
7680 (record_biv): ... here.
7681 (loop_giv_dump): Break out from ...
7682 (record_giv): ... here.
7683 (loop_bivs_check): Use print_simple_rtl.
7684 * unroll.c (loop_iterations): Use print_simple_rtl.
7686 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7688 * pa.md (return, return_internal): Modify patterns to prevent regrename
7689 mucking with the return pointer.
7691 2001-01-05 Richard Henderson <rth@redhat.com>
7693 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7695 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7697 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7698 version supplied by Matteo Frigo.
7700 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7702 * cpp.texi: Update for -MQ.
7703 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7704 (cpp_cleanup): Always free pfile->deps.
7705 (initialize_dependency_output): Don't create pfile->deps.
7706 (cpp_handle_option): Similarly.
7708 * gcc.c (cpp_options): Handle -MQ.
7709 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7710 * mkdeps.c (base_name): Remove.
7711 (deps_init): Don't allocate vector space until it's needed.
7712 (deps_free): Only free vectors if allocated.
7713 (deps_add_target, deps_add_dep): Update for initial allocation.
7714 (deps_add_default_target): Don't strip to the base_name.
7716 2001-01-05 DJ Delorie <dj@redhat.com>
7718 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7719 (INIT_EXPANDERS): Define.
7721 * config/v850/v850.c (struct machine_function): Define.
7722 (v850_save_machine_status): New function.
7723 (v850_restore_machine_status): New function.
7724 (v850_return_addr): New function.
7725 (v850_init_expanders): New function.
7727 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7728 and v850_init_expanders.
7730 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7732 * cpplib.h (struct cpp_reader): Add help_only field.
7733 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7734 (cpp_handle_option): Set pfile->help_only if we see -h,
7735 --help, -target-help, or --version. Print version string but
7736 do not set help_only if we see -v or -version. Make text
7737 printed by -v match that printed by (-)-version.
7739 * cppmain.c (main): Exit after option parsing if
7740 pfile->help_only is true.
7742 * toplev.c (independent_decode_option): Call print_version,
7743 then exit, if we see --version (but not -version).
7744 (print_version): Split lengthy message into two lines.
7746 2001-01-05 Nick Clifton <nickc@redhat.com>
7748 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7749 temporary string for initialisation before calling ggc_alloc_string.
7751 2001-01-06 Michael Hayes <mhayes@redhat.com>
7753 * rtl.h (print_simple_rtl): New.
7754 * print-rtl.c (print_simple_rtl): New.
7756 (print_rtx): Disable printing of flags and modes, etc.,
7757 if `flag_simple` nonzero.
7759 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7761 * function.c (fixup_var_refs): Use push_to_full_sequence where
7764 2001-01-05 Michael Meissner <meissner@redhat.com>
7766 * flags.h (flag_reorder_blocks): Add declaration.
7767 (flag_rename_block): Ditto.
7769 2001-01-05 DJ Delorie <dj@redhat.com>
7771 * function.c (reorder_blocks): Make sure the flags are all reset
7772 before using them to mark blocks, else a second invocation will
7773 corrupt the block chain.
7774 (reorder_blocks_0): New, resets the flags.
7776 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7778 * cse.c (find_comparison_args): Stop if the argument is known to
7781 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7783 * config/sh/sh.md (movdf): When splitting load into pair of
7784 registers, don't clobber the register used in the address too
7787 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7789 * varasm.c (mark_constant_pool): Improve initial comments.
7790 (mark_constants): Move marking of constants to mark_constant.
7791 (mark_constant): New function to recursively mark all constants
7792 referred to by a constant.
7794 2001-01-05 Catherine Moore <clm@redhat.com>
7796 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7798 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7800 * cp/lang-options.h: Bring comment in line with reality.
7801 * f/lang-options.h: Likewise.
7802 * java/lang-options.h: Likewise.
7803 * objc/lang-options.h: Likewise.
7804 * ch/lang-options.h: Likewise.
7805 * f/g77.texi: And update the manual.
7807 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7808 Denis Chertykov <denisc@overta.ru>
7810 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7811 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7812 * config/avr/avr.md (all peepholes that request a scratch register):
7813 Call it, FAIL the peephole if not safe (in interrupt functions).
7815 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7817 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7819 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7821 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7823 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7824 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7825 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7826 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7827 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7829 * extend.texi: Document these builtins.
7831 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7833 * c-common.c (lang_get_alias_set): Say we know nothing of
7834 VECTOR_TYPE aliasing.
7836 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7838 2001-01-05 Bruce Korb <bkorb@gnu.org>
7840 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7841 their x* equivalent versions for atexit-less systems
7842 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7843 systems (or any other system any more).
7845 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7847 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7848 output operands. Use arm_hard_register_operand for operand 4.
7849 (stmsi_postinc): Similarly.
7850 (ldmsi): Use arm_hard_register_operand for opernand 2.
7852 * arm.c (arm_hard_register_operand): New function.
7853 * arm-protos.h (arm_hard_register_operand): Prototype it.
7855 * arm.h (HARD_REGNO_RENAME_OK): Define.
7857 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7859 * simplify-rtx.c (cfc_args): add "unordered" field.
7860 (check_fold_consts): Set unordered field.
7861 (simplify_relational_operation): Simplify the unordered
7864 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7867 * emit-rtl.c (try_split): Fix code to mark labels.
7868 * jump.c (mark_jump_label): Make global.
7869 * rtl.h (mark_jump_label): Declare.
7871 * predict.c (estimate_probability): Handle unordred comparisons.
7873 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7875 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7876 * cppinit.c (initialize_dependency_output): Update.
7877 (cpp_finish): Output dummy targets for -MP.
7879 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7880 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7881 * gcc.c (cpp_options): Update to handle -MP.
7882 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7883 to quote only the default target.
7884 (deps_phony_targets): Insert a preceding newline. Rename from
7885 deps_dummy_targets for consistency.
7888 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7890 * calls.c (emit_library_call_value_1): Support
7891 INIT_CUMULATIVE_LIBCALL_ARGS.
7892 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7894 2001-01-04 Richard Henderson <rth@redhat.com>
7896 * c-decl.c (finish_struct): Detect flexible array members
7897 used in an inappropriate context.
7898 * c-typeck.c (really_start_incremental_init): Special case
7899 constructor_max_index for zero length arrays.
7900 (pop_init_level): Allow initialization of flexible array
7901 members. Deprecate initialization of zero length arrays.
7902 Don't issue missing initializer warning for flexible array
7903 members or zero length arrays.
7904 (process_init_element): Don't dereference null DECL_SIZE.
7905 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7906 Don't abort for empty constructors. Use size_binop
7907 (output_constructor): Add commentary regarding zero length
7908 array futures. Abort if we try to initialize an array of
7909 unspecified length with a non-empty constructor in the middle
7912 * extend.texi (Zero Length): Update and clarify documentation
7913 on static initialization.
7915 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7917 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7918 with more than 32767 words of local storage.
7920 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7922 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7923 for 'abs', 'labs', and 'fabs'.
7924 (c4x_expand_builtin): Likewise.
7925 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7927 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7929 * config/sh/sh.md (prget, prset): New insn types.
7930 (return delay slot): Dont' allow prset.
7931 (call, sfunc delay slot): Don't allow prget.
7932 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7933 for prset and prget.
7935 2001-01-05 Michael Hayes <mhayes@redhat.com>
7937 * loop.h (struct loop_reg): New.
7938 (struct loop_regs): Change to use array of `struct loop_reg'.
7939 * loop.c: Replace assortment of varrays with single regs array.
7940 (count_one_set): Delete may_not_move array argument
7941 and use regs array instead. All caller's changed.
7942 (count_loop_regs_set): Delete may_not_move and single_usage
7943 arguments and use regs array instead. All caller's changed.
7944 (find_single_use_in_loop): Replace usage array argument with pointer
7945 to regs structure. All caller's changed.
7946 (loop_optimize): Delete `moved_once' array.
7948 2001-01-05 Michael Hayes <mhayes@redhat.com>
7950 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7951 Use it instead of loop_info->has_call for scanning loop mems.
7952 (check_dbra_loop): Replace loop_info->has_call test with
7953 loop_info->has_nonconst_call.
7955 2000-01-04 Matthew Hiller <hiller@redhat.com>
7957 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7960 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7962 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7963 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7965 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7967 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7968 (flag_short_double, flag_short_wchar): Define.
7969 (c_common_nodes_and_builtins): Create many tree nodes shared
7970 between C and C++ here instead of in cp/decl.c and ...
7971 * c-decl.c (init_decl_processing): ... here.
7972 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7973 (flag_short_double, flag_short_wchar): Don't define.
7974 (record_builtin_type): New function.
7975 (build_void_list_node): New function.
7976 * c-common.h (flag_short_double, flag_short_wchar,
7977 record_builtin_type, build_void_list_node): Declare.
7979 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7981 * integrate.c (expand_inline_function): Don't put a virtual
7982 register into the reg map.
7984 * function.c (fixup_var_refs_1): If force_operand didn't put
7985 the address into the target, move it there.
7987 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7989 Special-case tree_decl/tree_list allocations.
7990 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7991 (OBJECT_SIZE): New macro.
7992 (NUM_EXTRA_ORDER): Likewise.
7993 (extra_order_size_table): New variable.
7994 (NUM_ORDERS): New macro.
7995 (objects_per_page_table): New variable.
7996 (object_size_table): New variable.
7997 (G.pages): Use NUM_ORDERS to bound the array.
7998 (G.page_tails): Likewise.
7999 (DIV_ROUND_UP): Remove.
8000 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8001 (alloc_page): Use OBJECT_SIZE.
8002 (size_lookup): Don't make it const.
8003 (ggc_alloc): Use OBJECT_SIZE.
8004 (ggc_set_mark): Likewise.
8005 (ggc_get_size): Likewise.
8006 (init_ggc): Set up the object_size_table, objects_per_page_table,
8007 and adjust size_lookup.
8008 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8009 (ggc_pop_context): Use NUM_ORDERS.
8010 (clear_marks): Likewise.
8011 (sweep_pages): Likewise.
8012 (poison_pages): Likewise.
8013 (ggc_print_statistics): Use OBJECT_SIZE.
8015 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8017 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8018 Only call array_size_for_constructor if last field and array type
8019 with no upper bound.
8021 2001-01-04 Philip Blundell <philb@gnu.org>
8023 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8024 from bit 31 downwards, if this requires no more insns.
8025 (count_insns_for_constant): New helper function for above.
8027 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8029 * gencodes.c (output_predicate_decls): Remove empty initializer.
8031 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8033 * tree.c (copy_node): Remove documentation about obstacks.
8034 (buidl1): Check that nobody tries to build 2-argument nodes this
8037 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8039 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8042 * gencodes.c (output_predicate_decls): Fill empty initializer
8045 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8047 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8048 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8050 (do_include): Handle missing headers like cpp0.
8051 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8052 paths with first include pathname. Don't strcat to uninitialized
8055 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8057 * regrename.c (regrename_optimize): Don't rename from frame pointer
8058 if frame_pointer_needed.
8059 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8060 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8061 (ia64_reorg): Use it instead of scheduling if ! optimize.
8062 (errata_emit_nops): Properly call asm_noperands.
8063 (ia64_sched_reorder): Finish cycle if we see an asm.
8064 (ia64_variable_issue): Clear scheduling state after asms.
8066 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8068 * cpp.texi: Update for -MT.
8069 * cppinit.c (initialize_dependency_output): Add a default
8070 target if none has been given already.
8071 (no_tgt, OPT_MT): New.
8072 (cpp_handle_option): Handle -MT. Update -M etc.
8073 * cpplib.h (struct cpp_options): Remove deps_target.
8074 * gcc.c (cpp_options): Handle -MT.
8075 * mkdeps.c (struct deps): Move from mkdeps.h.
8076 (deps_calc_target): Rename deps_add_default_target. Add a
8077 default target if none has been specified already.
8078 * mkdeps.h (struct deps): Move to mkdeps.c.
8079 (deps_calc_target): Rename deps_add_default_target.
8081 2000-01-03 Richard Henderson <rth@redhat.com>
8083 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8085 * c-typeck.c (push_init_level): Move checks for flexible array
8086 members and zero length arrays ...
8087 (pop_init_level): ... here. Silently discard empty initializations.
8089 * varasm.c (output_constructor): Update for sizeof change to
8092 * extend.texi (Zero Length): Clarify semantics.
8094 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8096 * configure.in (tm.h): Include isns-codes.h last.
8097 * configure: Rebuilt.
8099 2001-01-03 Richard Henderson <rth@redhat.com>
8101 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8102 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8104 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8106 * tradcpp.c (main): Make sure finclude() is called with a valid
8107 indepth value while handling -include.
8109 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8111 * gencodes.c (output_predicate_decls): New function.
8113 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8114 even if it is not the first time machmode.h is #included.
8115 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8116 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8117 * gcc.texi (Copyright): Added 2001.
8119 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8121 * c-common.c (c_common_lang_init): New function. Warn if format
8122 warning options which only have effects when used with -Wformat
8123 are used without -Wformat.
8124 * c-common.h (c_common_lang_init): Declare.
8125 * c-lang.c (lang_init): Call c_common_lang_init.
8126 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8128 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8130 * configure.in: Check for the mktemp command.
8131 * configure: Regenerate.
8132 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8133 $TEMP. Create temporary files with mktemp, if available at
8134 configure time; otherwise use set -C. Remove temporary files
8137 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8139 * configure.in: Require at least texinfo 4.0. Check for whether
8140 Pod::Man is sufficiently recent to regenerate GCC manpages.
8141 * configure: Regenerate.
8142 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8144 (GENERATED_MANPAGES): Define.
8145 (generated-manpages): New target. Depend on cpp.1 as well as
8147 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8148 configure to generated-manpages or empty) rather than on the
8149 manpages directly. Remove execute permission from installed
8150 gcov.1 as well as cpp.1.
8151 * cpp.1, gcov.1: Regenerate.
8153 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8155 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8156 tree_low_cst. Allow using cmpstrsi in more cases.
8158 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8160 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8163 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8165 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8166 * Makefile.in (HOST_CFLAGS): Mention build-make.
8168 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8170 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8173 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8175 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8178 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8181 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8182 reg_base_value and reg_known_value arrays.
8183 (init_alias_analysis): Add more cases to detect known values.
8184 * sched-deps.c (deps_may_trap_p): New function.
8185 (sched_analyze_2): Use it.
8187 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8189 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8190 don't discard an ASHIFTRT if we're shifting in a wider mode.
8192 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8194 * toplev.c (rest_of_compilation): Don't print basic block information
8195 when CFG isn't up to date.
8197 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8199 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8200 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8201 (UNALIGNED_SHORT_ASM_OP): Define.
8202 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8204 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8206 * fold-const.c (fold_convert): Fix typo.
8208 2001-01-02 Richard Henderson <rth@redhat.com>
8210 * c-common.h (ASM_INPUT_P): New.
8211 * c-parse.in (asm): Set it when needed.
8212 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8213 existance of an operand.
8215 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8217 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8218 (dwarf2out_frame_debug_expr): Likewise.
8219 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8221 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8223 * i386.c (ix86_split_to_parts): Return number of part required;
8225 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8227 (ix86_split_long_move): Use number of part returned
8228 by ix86_split_to_parts
8229 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8231 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8232 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8233 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8234 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8235 (ALIGN_MODE_128): Add TFmode.
8236 (IS_STACK_MODE): Likewise.
8237 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8238 (HARD_REGNO_OK): Support TFmodes.
8239 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8240 * i386.md (scheduler definitions): Use memory operand to determine
8241 fst/fld instructions; use mode attribute to determine real mode of
8243 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8244 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8246 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8248 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8250 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8252 * expr.c (store_constructor_field): Update ALIGN before calling
8255 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8257 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8260 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8262 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8265 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8267 * c-decl.c (start_function): Don't warn on third parameter to main.
8269 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8271 * tsystem.h: Define HAVE_DECL_GETOPT.
8273 2001-01-02 Philip Blundell <pb@futuretv.com>
8275 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8278 2001-01-02 Richard Henderson <rth@redhat.com>
8280 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8282 2001-01-02 Andreas Jaeger <aj@suse.de>
8284 * c-decl.c (c_decode_option): Remove support of
8287 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8288 (W_options): Add -Wmissing-noreturn here.
8290 * flow.c: Define lang_missing_noreturn_ok_p.
8291 (check_function_return_warnings): Use it.
8293 * c-common.h: Declare lang_missing_noreturn_ok_p.
8295 * c-lang.c (c_missing_noreturn_ok_p): New function.
8296 (lang_init): Set lang_missing_noreturn_ok_p.
8298 * invoke.texi (Warning Options): Document this.
8300 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8302 * extend.texi (C++ Extensions): New node for C++ attributes;
8303 describe init_priority and com_interface.
8304 * invoke.texi: Remove -finit-priority as it now has zero effect.
8305 * install.texi: Fix xref syntax.
8306 * md.texi: Likewise.
8308 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8310 * config.gcc (sparc64-wrs-vxworks*): New case.
8311 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8313 * config/sparc/sparc.c (sparc_override_options): Do support different
8314 pointer and architecture size.
8315 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8316 (POINTERS_EXTEND_UNSIGNED): Define.
8317 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8318 (FUNCTION_MODE): Define to be Pmode.
8319 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8321 * function.c (expand_function_end): Properly handle DECL_RESULT
8322 and copy when ptr_mode != Pmode.
8323 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8325 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8327 * c-common.c (c_common_nodes_and_builtins): Set prototype
8328 parameters for __builtin_fputs, __builtin_fputc and
8329 __builtin_fwrite. Don't declare plain fputc as a builtin.
8331 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8333 * loop.c (add_label_notes): Increment the label usage count when
8334 a note is added to an insn which refers to a CODE_LABEL.
8335 * gcse.c (add_label_notes): Likewise.
8337 2001-01-01 Andreas Jaeger <aj@suse.de>
8339 * loop.c (scan_loop): Use xmalloc to allocate movables.
8341 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8343 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8344 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8345 * reload1.c (REGISTER_MOVE_COST): Likewise.
8346 * regclass.c (REGISTER_MOVE_COST): Likewise.
8347 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8348 dimension. Adjust all users.
8349 (init_reg_sets_1): Iterate on all modes.
8350 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8351 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8352 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8353 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8354 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8355 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8356 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8357 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8358 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8359 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8360 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8361 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8362 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8363 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8364 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8365 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8366 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8367 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8368 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8369 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8370 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8371 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8372 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8373 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8374 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8375 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8376 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8378 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8380 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8381 arg VARIES_P. Call it with extra arg.
8382 (true_dependence): Likewise.
8383 * rtl.h (rtx_addr_can_trap_p): Declare.
8384 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8386 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8387 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8388 pic offset table register if it's zero. All callers changed.
8389 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8391 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8393 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8394 STRING_POOL_ADDRESS_P.
8396 * config/sparc/sparc.c (input_operand): Properly test for short op.
8398 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8399 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8400 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8401 * config/sparc/elf.h: No longer include sol2.h.
8402 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8403 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8405 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8407 2001-01-01 Michael Hayes <mhayes@redhat.com>
8409 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8410 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8411 (record_initial): Likewise.
8412 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8413 (remap_split_bivs): Likewise.
8415 2001-01-01 Michael Hayes <mhayes@redhat.com>
8417 * loop.c (loop_ivs_free): New function.
8418 (strength_reduce): Break out from...
8420 2001-01-01 Michael Hayes <mhayes@redhat.com>
8422 * loop.h (struct iv): New.
8423 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8424 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8425 'reg_biv_class' fields with 'regs' and 'n_regs'.
8426 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8427 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8428 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8430 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8432 * resource.c (mark_referenced_resources): Abort() before
8433 attempting to mark a pseudo register.
8434 (mark_set_resources): Likewise.
8436 2001-01-01 Michael Hayes <mhayes@redhat.com>
8438 * loop.h (REG_IV_CLASS): New accessor macro.
8439 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8440 * unroll.c (REG_IV_CLASS): Likewise.
8442 See ChangeLog.4 for earlier changes.