1 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3 * cpplib.c (do_line): Sanity check iff enable checking.
5 2001-04-11 Richard Henderson <rth@redhat.com>
7 * Makefile.in (insn-recog.o): Depend on toplev.h.
8 (insn-emit.o, doloop.o): Likewise.
9 * genrecog.c, genemit.c: Include toplev.h in generated file.
10 * doloop.c: Include toplev.h.
12 2001-04-11 Mark Mitchell <mark@codesourcery.com>
14 * Makefile.in (gcse.o): Depend on params.h.
15 * gcse.c: Include params.h.
16 (gcse_main): Don't do GCSE if doing so will take inordinate
18 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
19 * params.h (MAX_GCSE_MEMORY): New macro.
21 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
25 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
27 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
29 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
31 * real.h (ereal_atof, real_value_truncate, target_isnan,
32 target_isinf, target_negative, assemble_real, debug_real): Delete
35 * Makefile.in (ifcvt.o): Depend on toplev.h.
37 * c-semantics.c: Include expr.h.
39 * ifcvt.c: Include toplev.h.
41 * expr.h (rtx_equal_p): Delete prototype.
43 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
44 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
45 eliminate_constant_term, expand_complex_abs, find_single_use,
46 make_tree, init_expr_once, init_optabs, supports_one_only):
49 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
50 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
51 expand_assignment, store_expr, emit_line_note_after,
52 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
54 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
56 * sparc-protos.h: Delete redundant prototypes.
58 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
60 * reload.c (push_reload): Add condition missed in SUBREG byte
63 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
65 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
67 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
69 * i386.md (floatsisf_sse): Fix output template
70 * i386.c (ix86_expand_fp_movcc)
72 * reg-stack.c (emit_pop_insn): Handle complex modes.
73 (move_for_stack_reg): Emit proper move mode.
74 (subst_stack_regs_pat): Handle complex modes.
76 2001-04-11 Jakub Jelinek <jakub@redhat.com>
78 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
80 2001-04-10 Richard Henderson <rth@redhat.com>
82 * libgcc2.h (__terminate_func_ptr): Remove typedef.
83 (__pure_virtual, __terminate, __terminate_set_func,
84 __default_terminate, __throw_type_match, __empty,
85 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
86 __eh_rtime_match, __unwinding_cleanup, __rethrow,
87 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
88 Remove prototypes of deleted functions.
90 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
92 * c-typeck.c (convert_arguments): -Wtraditional now activates
93 -Wconversion warnings, except for changes in signed-ness.
94 Detect complex<->int & int<->complex conversions as well.
96 * invoke.texi (-Wtraditional): Document it.
98 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
100 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
101 * flow.c (set_block_for_new_insns): Remove needless cast and
102 properly check for unset block number.
104 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
106 * function.c (purge_single_hard_subreg_set): Only check REGNO if
107 the subreg was a hard register. Pseudos are left as subregs.
109 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
111 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
112 (LIB2ADD_ST): New macro, pass it to mklibgcc.
113 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
114 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
115 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
117 2001-04-09 Bo Thorsen <bo@suse.co.uk>
119 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
121 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
123 * output.h (set_block_num): Missed it earlier, remove deprecated
126 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
128 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
129 (load_killed_in_block_p): Change bb parameter from int to basic_block.
130 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
131 (handle_rd_kill_set): Change bb parameter from int to basic_block.
132 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
133 (expr_killed_p): Change bb parameter from int to basic_block, pass
134 basic_blocks instead of ints as parameters.
135 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
136 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
137 from int to basic_block, pass basic_blocks instead of ints as parms.
138 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
139 parameter from int to basic_block, pass basic_blocks instead of ints.
140 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
141 (insert_insn_end_bb): Change bb parameter from int to basic_block,
142 pass basic_blocks instead of ints.
143 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
144 basic_blocks instead of ints as parameters.
145 (pre_delete): Pass basic_blocks instead of ints as parameters.
146 (hoist_expr_reaches_here_p): Change bb parameter from int to
147 basic_block, pass basic_blocks instead of ints.
148 (hoist_code): Pass basic_blocks instead of ints as parameters.
149 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
150 Change bb parameter from int to basic_block.
151 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
152 (insert_insn_start_bb): Change bb parameter from int to basic_block,
153 pass basic_blocks instead of ints.
154 (insert_store): Pass basic_blocks instead of ints as parameters.
155 (replace_store_insn, delete_store): Change bb parameter from int to
156 basic_block, pass basic_blocks instead of ints.
157 (store_motion): Pass basic_blocks instead of ints as parameters.
159 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
161 * basic-block.h (set_new_block_for_insns): New Prototype.
162 (set_block_num): Delete prototype.
163 * flow.c (set_block_num): Remove obsolete function.
164 (set_block_for_new_insns): Set BB for single or multiple insns.
165 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
166 (process_insn_end_bb): Use set_block_for_new_insns or
167 set_block_for_insn instead of set_block_num.
168 (pre_insert_copy_insn): Use set_block_for_new_insns.
169 (update_ld_motion_stores): Use set_block_for_new_insns.
170 (insert_insn_start_bb): Use set_block_for_new_insns.
171 (replace_store_insn): Use set_block_for_new_insns.
173 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
174 Jeff Law <law@redhat.com>
176 * alias.c (get_addr): Externalize.
177 (canon_true_dependence): New function. Behaves like true_dependance
178 except it already assumes a MEM has been canonicalized.
179 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
180 * gcse.c (struct ls_expr): Add load/store expressions structure.
181 (modify_mem_list, canon_modify_mem_list): New variable.
182 (gcse_main): Initialize & finalize alias analysis. Use enhanced
183 load motion and store motion if requested.
184 (alloc_gcse_mem): Allocate space for modify_mem_list array.
185 (free_gcse_mem): Free the modify_mem_list array.
186 (oprs_unchanged_p): Use load_killed_in_block_p.
187 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
188 (mems_conflict_for_gcse_p): New function. Don't kill loads
189 with stores to themselves if its in the load/store expression list.
190 (load_killed_in_block_p): New function.
191 (canon_list_insert): New Function.
192 (record_last_mem_set_info): Keep a list of all instructions which
193 can modify memory for each basic block.
194 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
195 (oprs_not_set_p): Use load_killed_in_block_p.
196 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
197 (expr_killed_p): Use load_killed_in_block_p.
198 (compute_transp): Do not pessimize memory references.
199 (pre_edge_insert): Update stores for a load motion expression.
200 (one_pre_gcse_pass): Check loads/stores for extra load motion.
201 (ldst_entry): Find or create a ldst_expr structure.
202 (free_ldst_entry): Free memory for an individual item.
203 (free_ldst_mems): Free entire load/store expression list.
204 (print_ldst_list): Print debug info.
205 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
206 (enumerate_ldsts): Assign integer values to each entry in list.
207 (first_ls_expr): First expression in the list.
208 (next_ls_expr): Next expression in the list.
209 (simple_mem): Check if expression qualifies for ld/st expression list.
210 (invalidate_any_buried_refs): Remove from expression list if its
211 used in some other way we dont understand.
212 (compute_ld_motion_mems): Find all potential enhanced load motion
214 (trim_ld_motion_mems): Remove any expressions which are invalid.
215 (update_ld_motion_stores): Copy store values to registers for loads
216 which have been moved.
217 (regvec, st_antloc, num_store): New global statics.
218 (reg_set_info): Marks registers as set.
219 (store_ops_ok): Verfies registers expressions are valid in a block.
220 (find_moveable_store): Look for moveable stores in a pattern.
221 (compute_store_table): Find stores in a function worth moving, maybe.
222 (load_kills_store): Check dependance of a load and store.
223 (find_loads): Find any loads in a pattern.
224 (store_killed_in_insn): Check if a store is killed in an insn.
225 (store_killed_after): Check is store killed after an insn in a block.
226 (store_killed_before): Check is store killed before an insn in a block.
227 (build_store_vectors): Generate the antic and avail vectors.
228 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
229 (insert_store): Add a store to an edge.
230 (replace_store_insn): Replace a store with a SET insn.
231 (delete_store): Delete a store insn.
232 (free_store_memory): Free memory.
233 (store_motion): Perform store motion.
234 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
235 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
236 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
237 (f_options): Add gcse-lm and gcse-sm.
239 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
241 * i386.c (expand_fp_movcc): Fix condition reversal code.
243 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
244 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
245 (CLASS_MAX_NREGS): Use it.
247 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
248 handle properly complex values.
249 (CLASS_MAX_NREGS): Likewise; update comment.
251 2001-04-05 Bernd Schmidt <bernds@redhat.com>
253 * ia64.c (ia64_flag_schedule_insns2): New variable.
254 (ia64_override_options): Initialize it. Clear
255 flag_schedule_insns_after_reload.
256 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
258 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
260 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
261 Do not require source to match destination anymore;
262 Add abort to the nontrivial cases that should be handled by split.
263 (fix_trunc?fdi): Add SSE case for x86_64.
264 (floatdi?f): Likewise.
265 (floatdi?f_sse): New.
266 (fix_trunc?fdi_sse): New.
268 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
270 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
271 (DEBUG_ARANGES_END_LABEL): Ditto.
272 (dwarfout_init): Generate length and version fields at the start
273 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
274 after the length field.
275 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
276 the .debug_aranges info.
278 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
280 * i386.c (call, call_value): Make sure that resulting call_insn
281 does have proper second operand.
283 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
285 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
286 function. Remove include of sys/cygwin.h.
288 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
290 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
291 (CPP_SPEC): Always search */include/w32api for header files.
292 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
293 (LINK_SPEC): Add "cyg" to the library search prefixes.
295 2001-04-08 Philip Blundell <philb@gnu.org>
297 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
299 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
301 * cpperror.c (print_location): Don't special case <stdin>.
302 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
303 WARNING, but we don't check if we're in system headers.
304 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
305 * cpplib.c (do_warning): Warn in system headers.
307 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
309 * mbchar.c: Include config.h first.
311 2001-04-07 Zack Weinberg <zackw@stanford.edu>
313 * config.gcc: Set default for xmake_file at top, not bottom.
314 Change places that set xmake_file to "none" to set to the
315 empty string instead, or remove them entirely if there is no
316 default xmake_file for this cpu_type. Remove references to
319 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
320 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
321 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
322 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
323 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
324 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
325 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
326 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
327 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
328 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
331 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
332 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
333 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
334 config/mips/x-sysv, config/rs6000/x-aix31:
335 Just set CLIB to -lld or -lmld, as appropriate.
337 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
338 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
339 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
340 config/mips/x-iris, config/pa/x-pa:
341 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
342 OTHER_FIXINCLUDES_DIRS.
344 * config/i386/x-djgpp: Don't set LN or LN_S.
345 * config/m88k/x-dolph: Don't define __m88k__.
346 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
347 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
348 * config/i860/fx2800.h: No need to #undef SVR4.
350 38 x-host fragments remain, 2 x-cpu.
352 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
354 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
356 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
358 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
360 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
362 * configure.in: Add check for lstat.
363 * configure, config.in: Regenerate.
364 * cppinit.c (append_include_chain): Make empty path ".".
365 * cpplib.c (do_line): Don't simplify #line paths.
366 * cppfiles.c (remove_component_p): New function.
367 (find_or_create_entry): Acknowledge stat () errors during
369 (handle_missing_header): Don't simplify paths.
370 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
371 the empty path untouched. Don't leave a trailing '/'.
373 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
375 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
376 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
378 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
380 * cppfiles.c (open_file): Fail directories silently, but
381 with an errno of NOENT set.
382 (read_include_file): Move the common exit code to the sole
383 caller. Return an int indicating success or failure. Let
384 open_file handle directories.
385 (stack_include_file): If read_include_file fails,
386 push a "null" buffer.
388 2001-04-05 DJ Delorie <dj@redhat.com>
390 * function.h (virtuals_instantiated): Declare.
391 * function.c: (virtuals_instantiated): Make global.
392 * calls.c (emit_library_call_value_1): Use
393 virtual_outgoing_args_rtx only if it hasn't been instantiated.
394 Otherwise, use the stack pointer directly.
396 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
398 * i386.c (x86_initialize_trampoline): New global function.
399 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
400 (INITIALIZE_TRAMPOLINE): Move offline.
401 * i386-protos.h (x86_initialize_trampoline): Declare.
403 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
405 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
406 (lea_0): Rename to lea_1.
407 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
408 (lea_general_?): Allow SImodes on TARGET_64BIT
409 (lea_general_?_zext): New patterns.
410 (call_1, call_1_rex64): Fix.
412 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
414 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
416 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
418 * i386.c (function_arg): Return constm1_rtx for last argument.
419 (ix86_expand_prologue): Update gen_call calls.
420 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
421 * i386.md (call_pop): Likewise.
422 (call): Second operand is VOIDmode.
423 (call_0): Likewise; Support 64bits.
424 (call_exp): New expander.
425 (call_1): Get to the sync.
426 (call_1_exp): New pattern.
427 (call_value): Support 64bit.
428 (call_value_exp): New pattern.
429 (untyped_call): Update gen_call call.
430 (call_value_pop): Disable for 64bit.
431 (call_value_0_rex64): New pattern.
432 (call_value_1_rex64): Likewise.
434 2001-04-05 Bo Thorsen <bo@suse.de>
436 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
438 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
440 * i386.md (*andsi_1+3): If used after reload, make sure the operand
441 satisfies ANY_QI_REG_P.
443 2001-04-05 Bernd Schmidt <bernds@redhat.com>
445 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
448 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
451 2001-04-04 Zack Weinberg <zackw@stanford.edu>
453 * config.gcc: Remove default for xm_file. Clean up local
454 machine type handling. Remove settings of xm_file to
455 something that doesn't exist. In the big switch, set xm_file,
456 don't append to it (the value before the big switch is always
457 null). Don't force build_xm_file or host_xm_file to have a value.
458 * configure.in: Remove default for xm_file. Do not special
459 case $cpu/xm-$cpu.h not existing.
460 * configure: Regenerate.
462 2001-04-04 Diego Novillo <dnovillo@redhat.com>
464 * simplify-rtx.c (simplify_binary_operation): Check for overflow
465 when folding integer division and modulo operations.
467 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
469 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
470 instead of DWARF2_ADDR_SIZE for EH addresses.
471 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
474 2001-04-04 Richard Henderson <rth@redhat.com>
476 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
477 * config/ia64/t-glibc (LIB2ADDEH): Disable.
478 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
480 2001-04-04 Richard Henderson <rth@redhat.com>
482 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
483 * configure: Rebuilt.
485 2001-04-04 Jakub Jelinek <jakub@redhat.com>
487 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
488 push insns to delete to it instead of deleting them.
489 (delete_null_pointer_checks): Delete insns from delete_list after
490 all delete_null_pointer_checks_1 passes are done.
492 2001-04-04 Richard Henderson <rth@redhat.com>
494 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
495 * configure: Rebuilt.
497 2001-04-04 Zack Weinberg <zackw@stanford.edu>
499 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
500 * config/romp/xm-romp.h: Delete.
502 2001-04-04 Bernd Schmidt <bernds@redhat.com>
504 * sched-deps.c (sched_analyze_insn): Partially revert March 27
507 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
509 * emit-rtl.c (mark_label_nuses) Increment the label uses for
510 all labels present in rtx.
511 (try_split) Call new function for all split insns.
513 2001-04-04 Jakub Jelinek <jakub@redhat.com>
515 * recog.c (validate_replace_rtx_1): Instead of aborting just make
516 sure the change won't be validated.
518 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
520 * rtl.h (set_noop_p): Declare.
521 * flow.c (set_noop_p): Move from here ...
522 * rtlanal.c (set_noop_p): ... to here and enhance.
523 * cse.c (delete_trivially_dead_insns): Use it.
524 * gcse.c (hash_scan_set): Likewise.
525 * jump.c (delete_noop_moves): Likewise.
526 * recog.c (split_all_insns): Likewise.
528 2001-04-04 Alan Modra <alan@linuxcare.com.au>
530 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
531 stack pointer via a LO_SUM. Ditto for setting a temp register
532 used to save to the stack. Set cfa_temp when setting fp, and
533 allow matches to cfa_temp in addition to cfa_store when saving
534 regs. Handle POST_INC and LO_SUM register stores. Document the
535 changes and errors in rule 12 doco.
537 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
538 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
539 (load_reg): Move closer to epilogue code.
540 (DO_FRAME_NOTES): Define to control the following..
541 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
542 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
544 (hppa_expand_epilogue): Likewise.
546 2001-04-03 Richard Henderson <rth@redhat.com>
548 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
549 * configure: Rebuild.
551 2001-04-03 Richard Henderson <rth@redhat.com>
553 * rtl.h (LCT_THROW): New.
554 * calls.c (emit_library_call_value_1): Handle it.
555 * except.c (connect_post_landing_pads): Use it.
557 2001-04-03 Zack Weinberg <zackw@stanford.edu>
559 * gansidecl.h: Delete file.
560 * configure.in: Change all refs to gansidecl.h to use
561 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
563 * configure: Regenerate.
565 * Makefile.in (intl.o): Don't depend on gansidecl.h.
566 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
567 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
568 Don't include gansidecl.h.
569 * intl.c, main.c, version.c, fixinc/fixlib.h,
570 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
573 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
575 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
578 2001-04-03 Zack Weinberg <zackw@stanford.edu>
580 * config/i386/xm-beos.h, config/i386/xm-isc.h,
581 config/i386/xm-next.h, config/i386/xm-sco.h,
582 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
583 config/m88k/xm-m88k.h: Delete.
585 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
586 * config/romp/xm-romp.h: Don't define bcopy.
587 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
588 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
590 * config.gcc: Remove references to deleted files.
592 14 xm-host.h remain, 1 xm-cpu.h.
594 2001-04-03 Jakub Jelinek <jakub@redhat.com>
595 David S. Miller <davem@pierdol.cobaltmicro.com>
596 Andrew MacLeod <amacleod@redhat.com>
598 Use byte offsets in SUBREGs instead of words.
600 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
601 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
602 to pass new argument.
603 (add_stored_regs): Use subreg_regno_offset function.
604 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
606 (precompute_arguments): Use gen_lowpart_SUBREG.
607 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
608 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
609 (simplify_set): Rework to use SUBREG_BYTE.
610 (expand_field_assignment): Use SUBREG_BYTE.
611 (make_extraction): Use SUBREG_BYTE.
612 (if_then_else_cond): Use SUBREG_BYTE.
613 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
614 (gen_lowpart_for_combine): Compute full byte offset.
615 * cse.c (mention_regs): Use SUBREG_BYTE.
616 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
617 (canon_hash): Use SUBREG_BYTE.
618 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
619 (gen_lowpart_if_possible): Formatting.
620 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
622 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
623 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
624 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
625 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
626 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
627 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
628 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
629 certain invariants about SUBREGs the compiler creates.
630 (gen_lowpart_SUBREG): New function.
631 (subreg_hard_regno): New function to get the final register number.
632 (gen_lowpart_common): Use SUBREG_BYTE.
633 (gen_imagpart): Spacing nits.
634 (subreg_realpart_p): Use SUBREG_BYTE.
635 (gen_highpart): Use SUBREG_BYTE.
636 (subreg_lowpart_p): Always compute endian corrected goal offset,
637 even at the byte level, then compare against that.
638 (constant_subword): New function, pulled out all constant cases
639 from operand_subword and changed second argument name to offset.
640 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
641 and call constant_subword to do the work. Return const0_rtx if
642 looking for a word outside of OP.
643 (operand_subword_force): Change second arg name to offset.
644 * expmed.c (store_bit_field): Use SUBREG_BYTE.
645 (store_split_bit_field): Use SUBREG_BYTE.
646 (extract_bit_field): Use SUBREG_BYTE.
647 (extract_split_bit_field): Use SUBREG_BYTE.
648 (expand_shift): Use SUBREG_BYTE.
649 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
650 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
651 * flow.c (set_noop_p): Use SUBREG_BYTE.
652 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
653 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
654 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
656 (optimize_bit_field): Use SUBREG_BYTE.
657 (purge_addressof_1): Use SUBREG_BYTE.
658 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
659 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
660 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
661 * gengenrtl.c (special_rtx): Add SUBREG.
662 * global.c (mark_reg_store): Use SUBREG_BYTE.
663 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
664 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
665 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
666 final byte offset is congruent to subreg's mode size.
667 (subst_constants): Use SUBREG_BYTE.
668 (mark_stores): Use subreg_regno_offset function.
669 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
670 function and SUBREG_BYTE.
671 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
672 (reg_is_born): Use subreg_hard_regno.
673 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
674 endian correction code. Don't combine subregs unless resulting
675 offset aligns with type. Fix subreg constant extraction for DImode.
676 Simplify SUBREG of VOIDmode CONST_DOUBLE.
677 (general_operand): Remove dead mode_altering_drug code.
678 (indirect_operand): Use SUBREG_BYTE.
679 (constrain_operands): Use subreg_regno_offset function.
680 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
681 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
682 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
683 * regs.h (REG_SIZE): Allow target to override.
684 (REGMODE_NATURAL_SIZE): New macro which target can override.
685 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
686 on the entire subreg rtx.
687 (push_reload): Use SUBREG_BYTE in comments and code.
688 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
689 for hard registers inside subregs.
690 (operands_match_p): Use subreg_regno_offset.
691 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
692 containing hard regs.
693 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
694 corrections when fixing up MEM subregs.
695 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
696 subreg_regno_offset where appropriate.
697 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
698 byte endian corrections when fixing up MEM subregs.
699 (subst_reloads): When combining two subregs, make sure final
700 offset is congruent to subreg's mode size.
701 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
702 (refers_to_regno_for_reload_p): Use subreg_regno.
703 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
704 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
705 correction code for memory subreg fixups.
706 (forget_old_reload_1): Use subreg_regno_offset.
707 (choose_reload_regs): Use subreg_regno.
708 (emit_input_reload_insns): Use SUBREG_BYTE.
709 (reload_combine_note_store): Use subreg_regno_offset.
710 (move2add_note_store): Use subreg_regno_offset.
711 * resource.c (update_live_status, mark_referenced_resources): Use
712 subreg_regno function.
713 (mark_set_resources): Use subreg_regno function.
714 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
715 (subreg_regno_offset, subreg_regno): Define prototypes.
716 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
717 (gen_lowpart_SUBREG): Add prototype.
718 * rtl.texi (subreg): Update to reflect new byte offset representation.
719 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
720 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
721 (reg_overlap_mentioned_p): Use subreg_regno.
722 (replace_regs); Make sure final offset of combined subreg is
723 congruent to size of subreg's mode.
724 (subreg_regno_offset): New function.
725 (subreg_regno): New function.
726 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
727 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
728 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
729 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
730 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
731 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
732 (a29k_get_reloaded_address): Use SUBREG_BYTE.
733 (print_operand): Use SUBREG_BYTE.
734 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
735 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
736 (arm_reload_out_hi): Use SUBREG_BYTE.
737 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
738 instead of SUBREG_WORD.
739 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
740 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
741 SUBREG creation to use byte offset.
742 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
743 inverted load insns): Fix explicit rtl subregs to use byte
745 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
746 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
747 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
748 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
750 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
751 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
752 offsets, also make sure it is congruent to SUBREG's mode size.
753 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
754 unnamed ldob insn): Generate SUBREGs with byte offset.
755 (zero_extendqihi2): SUBREG's are byte offsets.
756 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
757 (m68hc11_gen_highpart): Use SUBREG_BYTE.
758 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
759 zero-extendqisi2): Generate SUBREGs with byte offset.
760 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
761 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
762 subregs in rtl to use byte offsets.
763 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
764 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
765 (mips_move_2words): Use subreg_regno_offset.
766 (mips_secondary_reload_class): Use subreg_regno_offset.
767 * config/mips/mips.md (DImode plus, minus, move, and logical op
768 splits): Fixup explicit subregs in rtl to use byte offsets.
769 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
770 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
771 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
772 rtl to use byte offsets.
773 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
774 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
775 subregs to use byte offsets.
776 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
777 Fixup explicit subregs in rtl to use byte offsets.
778 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
779 and remove byte endian correction code.
780 * config/sh/sh.c (output_movedouble): Use subreg_regno.
781 (gen_ashift_hi): Use SUBREG_BYTE.
782 (regs_used): Use subreg_regno_offset.
783 (machine_dependent_reorg): Use subreg_regno_offset.
784 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
785 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
786 (movdf_i4): Subregs are byte offsets now.
787 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
788 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
789 (REGMODE_NATURAL_SIZE): Override.
790 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
791 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
793 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
794 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
795 extendqidi2): Generate SUBREGs with byte offsets, also make sure
796 it is congruent to SUBREG's mode size.
797 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
799 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
800 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
801 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
802 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
803 * config/v850/v850.c (print_operand, output_move_double): Use
804 subreg_regno function.
806 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
808 * configure.in (target_subdir): Use target_alias, not target.
809 * configure: Rebuilt.
811 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
813 * config/sh/crti.asm: Fix typos in comments.
815 2001-04-03 Alan Modra <alan@linuxcare.com.au>
817 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
818 TARGET_FAST_INDIRECT_CALLS.
819 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
821 (return_addr_rtx): Short circuit export stub matching when
822 TARGET_NO_SPACE_REGS.
823 (output_millicode_call): For out of range calls, make -fPIC
824 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
825 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
826 * pa.md: Modify length attr calculation of all millicode insns to
829 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
831 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
832 Require at least 2.11 in the version test. Specifically check
833 for and reject GAS version 2.10.90.
834 * configure: regenerate.
836 2001-04-03 Alan Modra <alan@linuxcare.com.au>
838 * pa.c (override_options): Remove PIC profiling warning.
839 (hp_profile_labelno): Delete.
840 (hp_profile_label_rtx): Delete.
841 (hp_profile_label_name): Delete.
842 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
843 (output_function_prologue): Remove profiling code and all tests on
844 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
845 merge_sp_adjust_with_store can work for PIC and profiling.
846 (hppa_expand_epilogue): Remove profile_flag test.
847 (hppa_can_use_return_insn_p): Likewise.
848 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
849 cater for PROFILE_HOOK.
850 (hppa_profile_hook): New function.
851 * pa.h (FUNCTION_PROFILER): Now does nothing.
852 (PROFILE_HOOK): Define.
853 (hppa_profile_hook): Declare.
854 (PROFILE_BEFORE_PROLOGUE): Delete.
855 (ASM_OUTPUT_REG_PUSH): Delete.
856 (ASM_OUTPUT_REG_POP): Delete.
857 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
858 r24. Accept function name operand, and use this and a locally
859 generated label to calculate pc-rel offset to func start.
861 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
863 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
864 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
867 2001-04-03 Alan Modra <alan@linuxcare.com.au>
869 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
870 LO_SUM cases to where they belong.
872 2001-04-02 Richard Henderson <rth@redhat.com>
874 * except.h (lang_eh_type_covers): Mark extern.
875 (lang_eh_runtime_type): Likewise.
877 2001-04-02 Zack Weinberg <zackw@stanford.edu>
879 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
880 gengenrtl.c: Wrap generated header in multiple-include guard.
881 Improve error checking.
883 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
885 * configure.in: Don't check for putenv.
886 * configure: Regenerate.
887 * gcc.c (putenv): Don't define.
888 * vax/xm-vms.h: Handle putenv.
890 2001-04-02 Jakub Jelinek <jakub@redhat.com>
892 * ifcvt.c (noce_emit_move_insn): New.
893 (noce_try_store_flag, noce_try_store_flag_constants,
894 noce_try_store_flag_inc, noce_try_store_flag_mask,
895 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
896 noce_try_abs): Use it.
897 (noce_process_if_block): Likewise.
898 For STRICT_LOW_PART, take mode from its SUBREG.
900 2001-04-02 Jakub Jelinek <jakub@redhat.com>
902 * fold-const.c (fold): Before optimizing unsigned comparison with
903 0x7fffffffU, make sure arg0 is integral type.
905 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
907 * c-tree.texi: Document representation of wide strings.
909 2001-04-01 Richard Henderson <rth@redhat.com>
911 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
913 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
915 * i386.md: remove obsoleted comments.
916 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
917 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
920 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
922 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
924 2001-03-30 Bernd Schmidt <bernds@redhat.com>
926 * loop.c (load_mems): When generating a load from a pseudo, update
929 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
931 * i386.c (ix86_split_long_move): Use change address to compensate
932 stack pointer change in push instruction.
934 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
936 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
937 instead of rtx_equal_p; fix the output template.
939 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
941 * i386.c (ix86_expand_setcc): Support 64bit.
942 (ix86_expand_int_movcc): Likewise.
943 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
946 * i386.md (allocate_stack_worker): Turn to expander.
947 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
949 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
951 2001-03-29 Richard Henderson <rth@redhat.com>
953 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
955 2001-03-28 Matthew Hiller <hiller@redhat.com>
957 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
960 * MAINTAINERS: Added self.
962 2001-03-28 Richard Henderson <rth@redhat.com>
964 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
965 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
967 2001-03-28 Jim Wilson <wilson@redhat.com>
969 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
972 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
974 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
976 * tradcif.y (yyerror): Likewise. Add format specifier in call to
979 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
981 2001-03-28 DJ Delorie <dj@redhat.com>
983 * Makefile.in (stage1_build): Revert CFLAGS patch.
985 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
987 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
988 when multiplier or multiplicand is zero.
990 2001-03-28 Bernd Schmidt <bernds@redhat.com>
992 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
994 * config/ia64/ia64.c (update_set_flags): New function, broken out of
996 (set_src_needs_barrier): Likewise.
997 (rtx_needs_barrier): For SET case, use these two functions. Rework
998 PARALLEL case to handle all inputs before all outputs.
999 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1000 saw a label and no stop bit since then.
1001 (maybe_rotate, process_epilogue): Add prototypes.
1003 2001-03-28 Richard Henderson <rth@redhat.com>
1005 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1006 not TARGET_TOC for special toc restore handling.
1007 * config/rs6000/rs6000.md (eh_return): Likewise.
1009 2001-03-28 Richard Henderson <rth@redhat.com>
1011 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1012 current_function_calls_eh_return.
1013 (output_function_epilogue): Handle eh_return.
1014 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1015 (EH_RETURN_DATA_REGNO): New.
1016 (EH_RETURN_STACKADJ_RTX): New.
1017 (EH_RETURN_HANDLER_RTX): New.
1018 * config/sparc/sparc.md (call/short branch peepholes): Check
1019 can_throw_internal instead of in_same_eh_region.
1021 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1022 for eh_return data registers.
1023 (rs6000_emit_prologue): Save eh_return data registers.
1024 (rs6000_emit_epilogue): Force inline restores if eh_return.
1025 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1026 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1027 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1028 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1029 the target uses one.
1030 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1031 (return_eh_si, return_eh_di): Remove.
1032 (eh_return): New, from corpse of eh_epilogue.
1033 (eh_set_lr_si, eh_set_lr_di): New.
1035 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1036 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1037 True for pic register if current_function_calls_eh_return.
1038 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1039 Handle eh_return requirements.
1040 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1041 (EH_RETURN_STACKADJ_RTX): New.
1042 * config/i386/i386.md (exception_receiver): Remove.
1043 (eh_return, eh_return_1): New.
1044 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1046 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1047 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1048 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1049 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1050 (EH_RETURN_DATA_REGNO): New.
1051 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1052 * config/alpha/alpha.md (eh_epilogue): Remove.
1053 (exception_receiver): Use $26 for ldgp input.
1054 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1056 2001-03-28 Richard Henderson <rth@redhat.com>
1058 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1059 * except.h: Likewise.
1061 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1062 (LIB2ADDEHDEP): New.
1063 (LIB2FUNCS_EH): Remove.
1064 (LIB2ADD): Remove LIB2ADDEH.
1065 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1066 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1067 (crt{begin,end}[S].o): Likewise.
1068 (except.o): Update includes.
1069 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1070 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1072 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1073 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1074 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1075 * builtins.c (expand_builtin): Implement it.
1076 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1077 * c-common.c (c_common_nodes_and_builtins): Declare it.
1078 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1079 * calls.c (libfunc_nothrow): Remove.
1080 (emit_library_call_value_1): Don't call it.
1081 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1082 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1083 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1084 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1085 (current_funcdef_number): Globalize.
1086 (output_call_frame_info): Emit frame data if an lsda is needed.
1087 Generate augmentation for personality routine. Don't play with
1089 (dwarf2out_begin_prologue): Record funcdef_number.
1090 * dwarf2out.h (current_funcdef_number): Declare.
1091 * expr.c (expand_expr): Update for except.h name changes.
1092 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1093 * expr.h (LTI_throw, LTI_rethrow): Remove.
1094 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1095 (LTI_eh_rtime_match): Remove.
1096 (LTI_unwind_resume, LTI_eh_personality): Add.
1097 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1098 * final.c (final): Don't call check_exception_handler_labels,
1099 init_insn_eh_region, or free_insn_eh_region.
1100 (final_scan_insn): Always emit debug labels for
1101 NOTE_INSN_EH_REGION notes.
1102 * flags.h (flag_new_exceptions): Remove.
1103 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1104 (record_active_eh_regions): Remove.
1105 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1106 Use can_throw_internal.
1107 (find_basic_blocks_1): Likewise.
1108 (move_stray_eh_region_notes): Remove.
1109 (find_label_refs): No eh_return_stub_label.
1110 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1111 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1113 (delete_unreachable_blocks): Don't track deleted handlers.
1114 (flow_delete_block): Use maybe_remove_eh_handler.
1115 (delete_eh_regions): Remove.
1116 (merge_blocks): Don't check for eh region match.
1117 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1118 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1119 (init_propagate_block_info): Disable dead frame store optimization
1120 when current_function_calls_eh_return.
1121 (dump_bb): Don't print eh_beg, eh_end.
1122 * function.c (fixup_var_refs): No catch_clauses.
1123 (expand_function_end): Likewise. Call expand_eh_return before
1124 the return register use. Call sjlj_emit_function_exit_after.
1125 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1126 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1127 * ifcvt.c (dead_or_predicable): Remove eh region check.
1128 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1129 Don't check for EH vs parameters.
1130 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1131 (expand_inline_function): Call duplicate_eh_regions.
1132 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1133 (copy_insn_notes): Remap REG_EH_REGION notes.
1134 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1135 * integrate.h (struct inline_remap): Add local_return_label.
1136 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1137 check_exception_handler_labels, nor exception_optimize.
1138 (find_cross_jump): No EH region check.
1139 * optabs.c (init_optabs): Update for changed eh libfuncs.
1140 * rtl.def (RESX): New.
1141 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1142 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1143 checks. Update for except.h name changes.
1144 (expand_cleanups): Likewise.
1145 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1146 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1147 (compile_file): Call init_eh before init_optabs. Don't
1148 output_exception_table here.
1149 (rest_of_compilation): Call convert_from_eh_region_ranges,
1150 convert_to_eh_region_ranges, output_function_exception_table.
1151 Don't emit_eh_context.
1152 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1153 (EXC_PTR_EXPR): New.
1155 * md.texi (eh_epilogue): Remove.
1156 (eh_return): Document.
1157 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1158 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1160 * eh-common.h: Remove file.
1161 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1162 * libgcc2.c (L_eh): Remove.
1164 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1165 * unwind-dw2-fde.h: New file.
1166 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1167 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1168 * libgcc-std.ver: Update for eh symbols.
1170 2001-03-27 Richard Henderson <rth@redhat.com>
1172 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1173 reduce false positives.
1174 (regmove_optimize): Disable if flag_non_call_exceptions.
1176 * stmt.c (expand_return): Remove always true predicate.
1177 (expand_decl_cleanup_no_eh): Remove dead code.
1179 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1180 barrier code. Add a scheduling barrier if a non-call insn
1181 can throw internally.
1183 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1184 Auto-inc addresses trap only if their base register does.
1186 * except.c (can_throw_internal): Rename from can_throw.
1187 * except.h, resource.c: Update references.
1189 * integrate.c (copy_insn_list): Use returnjump_p.
1190 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1192 * function.h (struct function): Move all boolean valued fields
1193 to single bit fields at the end of the struct.
1195 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1197 Rename asynchronous_exceptions to flag_non_call_exceptions.
1199 * gthr-single.h (UNUSED): New. Distinguish between how C
1200 and C++ mark unused function arguments. Use throughout.
1202 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1203 value to target configuration header.
1204 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1205 * config.in, configure: Rebuild.
1206 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1207 configuration and target defines.
1208 (exceptions_via_longjmp): Remove.
1209 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1210 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1212 * except.h (flag_non_call_exceptions): Move ...
1213 * flags.h: ... here.
1215 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1216 exceptions, put the note on the trapping instruction.
1218 * flags.h (flag_new_exceptions): Remove.
1219 * toplev.c: Don't set it.
1220 * final.c: Don't check it.
1221 * except.c: Provide stub definition.
1223 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1224 (calculate_global_regs_live): Kill call-clobbered registers
1225 across exception edges.
1226 * reg-stack.c (convert_regs_1): Kill the entire target stack
1227 across non-call exception edges.
1229 * flow.c (cleanup_cfg): Take no argument.
1230 * output.h, sibcall.c, toplev.c: Update all calls.
1232 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1234 * configure.in: Don't check for bcopy.
1235 * configure, config.in: Regenerate.
1237 * system.h: Don't define or prototype bcopy, instead poison it.
1239 2001-03-27 Richard Henderson <rth@redhat.com>
1241 * function.c (expand_function_start): Set DECL_REGISTER on
1242 a pseudo used for DECL_RESULT.
1244 * rtl.h (LCT_NORETURN): New.
1245 * calls.c (emit_library_call_value_1): Handle it.
1247 2001-03-27 Stan Shebs <shebs@apple.com>
1249 * objc/objc-act.c (objc_init): Use dump_base_name.
1250 (gen_declaration): Clear the buffer arg.
1251 (gen_declaration_1): New function, body of gen_declaration.
1252 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1253 (gen_method_decl): Ditto, plus always clear buffer arg.
1254 (error_with_ivar): Simplify.
1255 (warn_with_method): Ditto.
1256 (build_message_expr): Don't clear buffers.
1257 (dump_interface): Ditto.
1258 (objc_debug): Ditto.
1259 (build_keyword_selector): Clear the buffer by only zeroing
1261 (objc_implementation_context): Declare.
1262 (start_class): Warn about missing @end.
1263 (finish_objc): Ditto.
1265 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1267 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1269 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1271 * Makefile.in (SYSTEM_H): Define.
1272 Depend on $(SYSTEM_H), not system.h.
1274 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1276 2001-03-27 Jim Wilson <wilson@redhat.com>
1278 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1280 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1281 (process_epilogue): New static function.
1282 (process_set): Call process_epilogue instead of emitting .restore
1284 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1286 * flow.c (struct reg_cond_life_info): New fields orig_condition
1288 (init_propagate_block_info): Set new fields.
1289 (mark_regno_cond_dead): Set and use new fields.
1290 (flush_reg_cond_reg_1): Likewise.
1291 (and_reg_cond, case AND): Check for redundant AND conditions.
1292 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1295 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1297 * cppmacro.c (stringify_arg): Null terminate strings.
1299 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1301 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1302 inclusion style. xm-m68hc11.h no longer exists.
1303 * config/m68hc11/xm-m68hc11.h: Delete file.
1304 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1306 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1307 Don't define GCC_VERSION, N_, or PARAMS; don't include
1308 gansidecl.h or stdio.h. Define inhibit_libc here.
1309 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1310 Delete code conditioned on #if GCC_VERSION == 2095.
1312 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1313 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1314 Delete code conditioned on #if GCC_VERSION == 2095.
1316 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1318 * system.h: Include symcat.h.
1319 (STRINGIFY): Don't define.
1321 * configure.in: Adjust comment.
1323 * builtins.c: Use STRINGX, not STRINGIFY.
1324 * gencheck.c: Likewise.
1325 * gengenrtl.c: Likewise.
1326 * protoize.c: Likewise.
1328 * cpplex.c: Don't include symcat.h.
1329 * cpplib.c: Likewise.
1331 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1333 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1335 * c-typeck.c (digest_init): Fold init expression.
1337 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1339 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1341 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1343 * except.c (eh_regs): Save results of build_pointer_type to a temp
1344 as FUNCTION_VALUE macro may evaluate its args multiple times.
1346 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1348 * c-common.h (DECL_NUM_STMTS): New macro.
1349 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1351 (pushdecl): Likewise.
1352 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1353 * integrate.c (expand_inline_function): Don't check
1355 * print-tree.c (print_node): Don't print it.
1356 * toplev.c (rest_of_compilation): Don't try to inline when
1357 flag_no_inline is on.
1358 * tree.h (DECL_FRAME_SIZE): Remove.
1359 (tree_decl): Adjust accordingly.
1361 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * combine.c (try_combine): Use memcpy, not bcopy.
1365 * genattrtab.c (expand_units): Likewise.
1367 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1369 * i386.md (push mem DI peep2): New.
1370 (mov 0, mov -1 peep2): Handle 64bit.
1371 (lea to arithmetics peep2): Handle 64bit leas.
1372 (rsp arithmetics to push/pop peep2s): New.
1374 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1376 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1378 * i386.c (struct machine_function): Add save_varrargs_registers.
1379 (ix86_save_varrargs_registers): New macro.
1380 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1381 (ix86_expand_prologue): Likewise.
1382 (ix86_emit_epilogue_esp_adjustement): Likewise.
1383 (ix86_expand_epilogue): Likewise.
1384 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1385 (pro_epilogue_adjust_stack_1): New insn.
1386 (pro_epilogue_adjust_stack_rex64): Likewise.
1387 * i386.h (MASK_NO_RED_ZONE): New constant.
1388 (TARGET_RED_ZONE): New macro.
1389 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1390 (RED_ZONE_SIZE): New constant.
1391 (RED_ZONE_RESERVE): New constant.
1393 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1395 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1397 2001-03-25 Kazu Hirata <kazu@hxi.com>
1399 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1402 (umodhi3): Likewise.
1405 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1407 * mkconfig.sh (DEFINES): Handle entries with '='.
1409 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1410 Set xm_defines to MACRO=value instead.
1412 * i370/xm-mvs.h: Delete.
1414 * ns32k/xm-pc532-min.h: Likewise.
1416 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1418 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1420 use ix86_expand_binary_operator
1421 (?sh??i_?): Disable for 64bit.
1422 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1423 * i386.c (shiftdi_operand): New predicate.
1425 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1426 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1427 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1428 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1429 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1430 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1431 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1432 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1433 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1434 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1435 (rotldi3, rotrdi3): New expanders.
1437 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1439 * i386.md (movstrsi): Move offline.
1441 (strmovdi_rex64): New.
1442 (strmov?i): Accept 64bit.
1443 (strmov?i_rex64): New.
1444 (strmov?i_rex_1): New.
1445 (strmov?i_1): Disable for 64bit.
1446 (rep_mov?i_rex64): New.
1447 (rep_mov?i): Disable for 64bit.
1448 (clrstrsi): Move offline.
1449 (strset?i_rex64): New.
1450 (strset?i: Accept 64bit.
1451 (rep_stos?i): Disable for 64bit.
1452 (rep_stos?i_rex64): New.
1453 (strset?i_rex_1): New.
1454 (strset?i_1): Disable for 64bit.
1455 (cmpstrsi): Accept 64bit.
1456 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1457 (cmpstrqi_nz_rex_1): New.
1458 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1459 (strlensi): Move offline.
1461 (strlenqi_1): Disable for 64bit; fix constraints.
1462 (strlenqi_rex_1): New.
1463 * i386.c (ix86_adjust_counter): New static function.
1464 (ix86_zero_extend_to_Pmode): Likewise.
1465 (ix86_expand_aligntest): Likweise.
1466 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1467 (ix86_expand_movstr): New global function.
1468 (ix86_expand_clrstr): New global function.
1469 (ix86_expand_strlen): New global function.
1470 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1471 ix86_expand_strlen): Declare.
1472 (ix86_expand_strlensi_unroll_1): Delete.
1474 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1476 * i386.md (cmpdi): Fix operand predicates.
1477 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1478 cmpdi_1_insn_rex64): New patterns.
1479 (adddi3): Turn to expander.
1480 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1481 (addsi3_carry_zext): New pattern.
1482 (adddi_?_rex64): New patterns and splitters.
1483 (addsi_?_zext): New patterns.
1484 (subsi3_carry_zext): New pattern.
1485 (subdi_?_rex64): New patterns and splitters.
1486 (iorsi_?_zext): New patterns.
1487 (iordi_?_rex64): New patterns and splitters.
1488 (iorsi_?_zext): New patterns.
1489 (iorsi_?_zext_imm): New patterns.
1490 (xorsi_?_zext): New patterns.
1491 (xordi_?_rex64): New patterns and splitters.
1492 (xorsi_?_zext): New patterns.
1493 (negdi*): New patterns.
1494 (one_cmpldi*): Likewise.
1495 (one_cmplsi*_zext, negsi*_zext): Likewise.
1496 (testqi_ext_3_rex64): New pattern.
1498 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1500 * i386-protos.h (ix86_split_long_move): Return void.
1501 * i386.c (ix86_split_to_parts): Handle 64bit target.
1502 (ix86_split_long_move): Likewise.
1503 * i386.md (all calls to ix86_split_long_move): Update.
1505 2001-03-23 Richard Henderson <rth@redhat.com>
1507 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1508 to avoid shadowing arguments.
1510 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1512 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1513 to variable names where DECL_NAME is different from
1514 DECL_ASSEMBLER_NAME.
1516 2001-03-23 Jim Wilson <wilson@redhat.com>
1518 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1519 (assemble_alias): Call make_decl_rtl.
1521 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1523 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1525 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1527 * extend.texi: Document the "java_interface" attribute.
1529 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1531 * mkconfig.sh: Use a subshell with redirected stdout,
1532 instead of closing stdout and confusing commands that run
1533 afterward. Throw away output of cmp.
1535 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1537 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1539 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1541 * i386.md (zero_extendsidi2_32): Break out from ...
1542 (zero_extendsidi2): ... here ; turn to expander.
1543 (zero_extendsidi2_rex64): New.
1544 (extendsidi2_32): Break out from ...
1545 (extendsidi2): ... here ; turn to expander.
1546 (extendsidi2_rex64): New.
1547 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1548 (trunc?f?f splitters): Add 64bit versions.
1550 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1552 * i386.md (pushsi, pushsi2_prologue): Disable.
1553 (pushsi2_rex64): New.
1554 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1555 (movqi_ext_1): Disable for 64bit.
1556 (movqi_ext_1_rex64): New.
1557 (pushdi2_rex64): New pattern, peep2s and splitter.
1558 (pushdi2_prologue_rex64): New pattern.
1559 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1561 (movdi splitters): Disable for 64bit.
1562 (movdi_1_rex64): New pattern, peep2s and splitters.
1563 (swapdi): New pattern.
1564 (pushsf): Disable for 64bit.
1565 (pushsf_rex64): New pattern and splitter.
1566 (pushdf_nointeger): Disable for 64bit.
1567 (pushdf_integer): Handle the 64bit case.
1568 (pushtf): Likewise; update splitters.
1570 2001-03-22 Richard Henderson <rth@redhat.com>
1572 * mkconfig.sh: Include insn-flags.h.
1573 * Makefile.in (CONFIG_H): Include insn-flags.h.
1574 (lots of objects): Remove insn-codes.h and insn-flags.h.
1576 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1577 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1578 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1579 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1580 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1581 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1582 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1583 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1584 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1585 v850/v850.c, vax/vax.c:
1586 Don't include insn-flags.h.
1588 * diagnostic.c, expr.h, reload.c, toplev.c:
1589 Don't include insn-codes.h.
1591 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1592 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1593 c4x/c4x.c, i960/i960.c, mips/mips.c:
1594 Don't include insn-codes.h or insn-flags.h.
1596 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1597 or insn-flags.h in the generated code.
1598 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1599 (main): Forward declare struct rtx_def.
1601 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1603 * invoke.texi (-ffast-math): Remove duplicate line about
1606 * gcc.texi: Remove more obsolete documentation of bugs and
1607 installation problems.
1609 2001-03-21 Kazu Hirata <kazu@hxi.com>
1611 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1614 2001-03-20 Jason Merrill <jason@redhat.com>
1616 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1618 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1619 * varasm.c (CHKR_PREFIX): Likewise.
1621 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1623 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1624 is part of a multi-SET insn.
1626 * cse.c (find_comparison_args): Remove previous change.
1627 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1630 * config/i386/i386.md (conditional_trap): Remove warning.
1632 * recog.c (push_operand): Fix error in last change that caused
1633 undefined symbol on many targets.
1635 * sdbout.c: #include ggc.h.
1636 (sdbout_init): Move to end of file.
1637 Call ggc_add_tree_root for anonymous_types.
1638 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1639 (sdbout_one_type): Use DECL_NAME for field name.
1640 * Makefile.in (sdbout.o): Show includes ggc.h.
1642 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1644 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1645 (override_options): Use properlimits for preferred_stack_boundary.
1646 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1648 (ext_register_operand): Accept DImode.
1649 (load_pic_register): Abort on 64bit.
1650 (gen_push): Use Pmode instead of SImode.
1651 (ix86_save_reg): Pic reg is never used on 64bit.
1652 (ix86_expand_prologue): Likewise.
1653 (ix86_emit_save_regs): Use Pmode instead of SImode.
1654 (legitimate_address_p): Check displacement for 64bit.
1655 (print_operand): Avoid outputting of (%rip) on 64bit.
1656 (print_operand_address): Output (%rip) where possible.
1657 (split_di): Abort on 64bit registers.
1658 (ix86_expand_branch): DImode comparison is simple for x86_64.
1659 (memory_address_length): Recognize memory addresses formed using
1661 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1663 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1665 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1667 * recog.c (push_operand): Recognize new format of push instructions.
1669 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1671 * i386.md (pushqi1): New.
1672 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1673 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1674 x86_64_immediate_operand, x86_64_immediate_operand,
1675 x86_64_zext_immediate_operand): Declare.
1676 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1677 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1678 x86_64_immediate_operand, x86_64_immediate_operand,
1679 x86_64_zext_immediate_operand): define.
1680 * i386.h (PREDICATE_CODES): Add new predicates.
1682 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1684 * i386.md (pophi1, popqi1, pushqi1): Remove.
1686 * expr.c (emit_single_push_insn): New function.
1687 (move_by_pieces): Accept NULL as destination for push instructions.
1688 (gen_push_operand): Kill.
1689 (emit_push_insn): Pass NULL when pushing; avoid updating of
1690 stack_pointer_delta.
1691 * expr.h (gen_push_operand): Kill.
1693 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1695 * rtl.texi (COMPARE): Clarify documentation and reference section
1698 2001-03-20 Stan Shebs <shebs@apple.com>
1700 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1701 (get_object_reference): Ditto.
1702 (error_with_ivar): Use error_with_file_and_line.
1703 (warn_with_method): Use warning_with_file_and_line.
1705 2001-03-20 Tom Tromey <tromey@redhat.com>
1707 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1709 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1711 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1712 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1714 2001-03-20 DJ Delorie <dj@redhat.com>
1716 * Makefile.in (install-libgcc): Pass complete list of variables.
1717 (install-multilib): Ditto.
1719 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1721 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1722 drectve_section, switch_to_section.
1724 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1725 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1726 i386_pe_mark_dllimport.
1728 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1730 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1731 functions i386_pe_*.
1733 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1734 i386_pe_* functions with char * arguments.
1736 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1738 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1740 (movsi_ie): Introduce fpul store.
1742 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1744 * Makefile.in (OBJS): Remove hashtab.o.
1746 2001-03-19 Stan Shebs <shebs@apple.com>
1748 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1749 * c-lang.c (maybe_objc_method_name): Ditto.
1750 * c-tree.h (maybe_objc_method_name): Remove decl.
1752 2001-03-19 Tom Tromey <tromey@redhat.com>
1754 * gcc.c (init_gcc_specs): Fix comment.
1756 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1758 Compute DECL_ASSEMBLER_NAME lazily.
1759 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1760 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1761 (SET_DECL_ASSEMBLER_NAME): Likewise.
1762 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1763 (set_decl_assembler_name): Declare.
1764 (lang_set_decl_assembler_name): Likewise.
1765 * tree.c (lang_set_decl_assembler_name): New variab.e
1766 (set_decl_assembler_name): New function.
1767 (init_obstacks): Set lang_set_decl_assembler_name.
1768 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1769 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1770 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1771 where it's not necessary.
1772 (builtin_function): Likewise.
1773 (finish_decl): Likewise.
1774 * dbxout.c (dbxout_type_methods): Likewise.
1775 * ggc-common.c (ggc_mark_trees): Likewise.
1776 * profile.c (output_func_start_profiler): Likewise.
1777 * varasm.c (make_decl_rtl): Likewise.
1779 * cse.c (find_comparison_args): Update documentation. Fix
1780 mishandling of COMPARE operations.
1782 * tree.def (ABS_EXPR): Add documentation.
1783 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1785 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1787 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1789 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1791 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1792 Remove ia32 linux PIC kludge and move it...
1793 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1795 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1797 * i386.md (absdf2 expander): Fix 64bit case.
1799 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1801 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1803 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1805 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1807 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1809 * README.X11: Remove obsolete file.
1811 2001-03-18 Anthony Green <green@redhat.com>
1813 * config/pj/pj.h: Remove some trailing commas.
1814 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1816 2001-03-18 Richard Henderson <rth@redhat.com>
1818 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1819 * calls.c: ... here.
1820 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1821 defaults for them here.
1823 2001-03-17 Anthony Green <green@redhat.com>
1825 * config/pj/lib1funcs.S: Fix broken comment.
1826 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1829 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1831 * gcc.texi: Remove obsolete information relating to build and
1832 installation problems with enquire or the Pyramid C compiler.
1834 2001-03-17 Richard Henderson <rth@redhat.com>
1836 * dwarf2out.c (queue_reg_save): New.
1837 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1838 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1840 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1841 (cfa, cfa_store, cfa_temp): Make static.
1842 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1844 2001-03-17 Richard Henderson <rth@redhat.com>
1846 * integrate.h (struct inline_remap): Add local_return_label.
1847 * integrate.c (expand_inline_function): Initialize it and emit
1848 it after copy_insn_notes.
1849 (copy_insn_list): Don't store local_return_label here.
1850 (copy_insn_notes): New function split out from copy_insn_list.
1852 2001-03-17 Richard Henderson <rth@redhat.com>
1854 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1855 is generating .debug_line.
1856 (dwarf2out_init): Add main_input_filename to the file table first.
1857 * configure.in (as_dwarf2_debug_line): Test with file number 1
1858 instead of file number 0.
1860 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1862 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1863 (gen_rtx_combine): Deleted; all references changed as appropriate.
1864 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1866 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1868 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1870 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1873 2001-03-16 Jim Wilson <wilson@redhat.com>
1875 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1876 then set it to LOC_REG (79) instead of aborting.
1878 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1880 * gccbug.in: Remove high priority.
1882 2001-03-16 Richard Henerson <rth@redhat.com>
1884 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1885 output with a space instead of deleting it.
1886 * configure: Regenerate.
1888 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1890 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1891 handles the gory details of converting an object file into
1892 something that's safe to grep.
1893 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1894 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1895 newlines at either end of the string we're looking for.
1896 Make 'checking ...' message less stilted.
1897 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1898 ARM in-memory layout and its hypothetical converse. Don't
1899 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1900 HOST_WORDS_BIG_ENDIAN.
1902 * configure.in: Adjust for renamed macro. Move
1903 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1904 * configure, config.in: Regenerate.
1906 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1908 * fixinc/Makefile.in: Set SHELL.
1910 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1912 * fixinc/fixincl.c (fix_with_system): Quote file names before
1913 passing them to shell.
1915 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1917 * Makefile.in: Use fix-header$(build_exeext) instead
1920 2001-03-16 Richard Henderson <rth@redhat.com>
1922 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1923 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1924 (size_of_line_prolog): Remove.
1925 (output_line_info): Compute prologue size via label difference.
1926 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1928 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1929 assembler error when redefining file numbers.
1930 * config.in, configure: Rebuild.
1932 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1933 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1934 (dw2_asm_output_delta_uleb128): Likewise.
1935 (dw2_asm_output_delta_sleb128): Similarly.
1936 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1938 2001-03-16 Michael Meissner <meissner@redhat.com>
1940 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1942 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1944 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1946 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1947 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1948 being unsigned in ISO C and signed in traditional.
1949 (expand_prologue): Ditto.
1950 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1952 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1954 (divsi3,divdi3): Ditto.
1955 (modsi3,moddi3): Ditto.
1956 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1957 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1958 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1961 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1963 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1964 SSE based conditional moves on LTGT/UNEQ conditions;
1965 Canonicalize EQ to NE.
1966 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1967 (sse_mov?fcc_ne): New.
1969 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1971 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1973 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1974 register may be dead.
1976 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1978 * Makefile.in (hash.o): Depend on CONFIG_H.
1980 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1982 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1984 2001-03-15 Richard Henderson <rth@redhat.com>
1986 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1987 (ASM_OUTPUT_DWARF_PCREL): New.
1988 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1990 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1992 * cppfiles.c (stack_include_file): Use MAX of sysp.
1994 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1996 * config.gcc (ia64*-*-hpux*): New case.
1997 * config/ia64/hpux.h: New file for HP-UX support.
1998 * config/ia64/t-hpux: New file for HP-UX support.
2000 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2002 * fixinc/inclhack.def (irix_stdio_va_list): New.
2003 * fixinc/fixincl.x: Rebuilt.
2005 2001-03-15 Richard Henderson <rth@redhat.com>
2007 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2008 if provided by the target.
2009 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2010 (dw2_asm_output_addr): New.
2011 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2012 * dwarf2out.c (output_cfi): Use it for program addresses.
2013 (output_call_frame_info, output_die): Likewise.
2014 (output_aranges, output_line_info): Likewise.
2016 2001-03-15 Bruce Korb <bkorb@gnu.org>
2018 * gcc.c(main): make more rigorous
2019 * collect2.c(main): guard against ignoring SIGCHLD
2020 * protoize.c(main): ditto
2021 * gcc/fixinc/fixincl.c(initialize): ditto
2023 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2025 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2026 (sdbout_parms): Likewise.
2028 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2030 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2031 "widen" a destination that is already wider than a word. Also do
2032 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2034 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2036 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2038 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2040 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2042 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2044 * i960.h (i960_maxbitalignment,
2045 i960_last_maxbitalignment): Declare.
2046 * i960.c (i960_maxbitalignment,
2047 i960_last_maxbitalignment): Make global.
2048 (process_pragma): Delete.
2049 (i960_pr_align, i960_pr_noalign): Move from here ...
2050 * i960-c.c: ... to this new file.
2051 * t-960bare (i960-c.o): New rule.
2052 * t-vxworks960 (i960-c.o): Likewise.
2053 * config.gcc (i960-*-*): Define c_target_objs and
2056 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2058 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2059 without adding in rtx code and mode.
2061 * alias.c (init_alias_analysis): Don't use any rtx whose value
2062 varies as a known value.
2063 Delete a superfluous test.
2065 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2067 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2068 scheduling a stop bit.
2069 (ia64_emit_nops): Correctly handle ASMs.
2071 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2073 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2075 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2077 * cpp.texi: Update documentation for -include and -imacros.
2078 * cppfiles.c (struct include_file): Remove "defined" memeber.
2079 (find_or_create_entry): Make a copy of the file name, and
2081 (open_file): Update to ensure we use the simplified filename.
2082 (stack_include_file): Don't set search_from.
2083 (cpp_included): Don't simplify the path name here.
2084 (find_include_file): New prototype. Call search_from to
2085 get the start of the "" include chain. Don't simplify the
2087 (_cpp_execute_include): New prototype. Move diagnostics to
2088 do_include_common. Update.
2089 (_cpp_pop_file_buffer): Don't set defined.
2090 (search_from): New prototype. Use the preprocessor's cwd
2091 for files included from the command line.
2092 (read_name_map): Don't simplify the pathname here.
2093 * cpphash.h (enum include_type): New.
2094 (struct buffer): Delete search from. New search_cached.
2095 (_cpp_execute_include): Update prototype.
2096 * cppinit.c (do_includes): Use _cpp_execute_include.
2097 * cpplib.c (do_include_common): New function.
2098 (do_include, do_include_next, do_import): Use it.
2100 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2102 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2103 contents of the RTL, to determine the name of the object.
2105 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2107 * tree.h (DECL_RTL): Allocate RTL lazily.
2108 (SET_DECL_RTL): New macro.
2109 (DECL_RTL_SET_P): Likewise.
2110 (COPY_DECL_RTL): Likewise.
2111 (DECL_RTL_IF_SET): Likewise.
2112 * varasm.c (make_decl_rtl): Add assertions about the kind of
2113 declaration we are processing.
2114 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2115 (start_decl): Likewise.
2116 (finish_decl): Likewise.
2117 * c-semantics.c (emit_local_var): Likewise.
2118 * calls.c (expand_call): Likewise.
2119 * dbxout.c (dbxout_symbol): Likewise.
2120 * emit-rtl.c (unshare_all_rtl): Likewise.
2121 (unshare_all_decls): Likewise.
2122 (reset_used_decls): Likewise.
2123 * expr.c (store_constructor): Likewise.
2124 (safe_from_p): Likewise.
2125 (expand_expr): Likewise.
2126 * function.c (put_var_into_stack): Likewise.
2127 (instantiate_decls_1): Likewise.
2128 (assign_parms): Likewise.
2129 (expand_function_start): Likewise.
2130 (expand_function_end): Likewise.
2131 * ggc-common.c (gcc_mark_trees): Likewise.
2132 * integrate.c (function_cannot_inline_p): Likewise.
2133 (copy_decl_for_inlining): Likewise.
2134 (expand_inline_function): Likewise.
2135 (integrate_parm_decls): Likewise.
2136 (integrate_decl_tree): Likewise.
2137 * print-tree.c (print_node): Likewise.
2138 * reg-stack.c (stack_result): Likewise.
2139 * stmt.c (label_rtx): Likewise.
2140 (expand_return): Likewise.
2141 (expand_decl): Likewise.
2142 (expand_decl_cleanup): Likewise.
2143 (expand_anon_union_decl): Likewise.
2144 * toplev.c (check_global_declarations): Likewise.
2145 (rest_of_decl_compilation): Likewise.
2146 * tree.c (simple_cst_equal): Likewise.
2147 * objc/objc-act.c (generate_static_references): Likewise.
2149 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2151 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2152 gcc_AC_C_FLOAT_FORMAT): New macros.
2153 * configure.in: Add AC_PROG_CPP after CC tests;
2154 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2155 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2156 * configure, config.in: Regenerate.
2158 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2159 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2160 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2161 config/i370/xm-linux.h, config/i370/xm-oe.h,
2162 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2163 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2164 config/pa/xm-linux.h, config/pa/xm-pa.h,
2165 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2166 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2167 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2168 config/we32k/xm-we32k.h: Delete.
2170 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2171 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2172 config/vax/xm-vms.h: Don't define any of:
2173 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2175 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2177 * config.gcc: Remove references to deleted files.
2178 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2179 FATAL_EXIT_CODE, which is the same between oe and mvs).
2181 2001-03-14 DJ Delorie <dj@redhat.com>
2182 Vladimir Makarov <vmakarov@redhat.com>
2184 * config/i960/i960.c (i960_function_prologue): Compute size of
2185 frame according to number of registers actually saved there.
2187 2001-03-14 Richard Henderson <rth@redhat.com>
2189 * expr.c (emit_move_insn_1): Fix else if around #endif.
2191 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2194 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2197 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2199 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2200 (override_options): Parse cmodel string.
2201 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2202 * i386.h (TARGET_OPTIONS): Add "cmodel".
2203 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2205 (ix86_cmodel_string, ix86_cmodel): Declare.
2207 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2210 * i386.h (GENERAL_REG_P): Add missing REG_P.
2212 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2214 * configure.in: Use $gcc_cv_as instead of $as.
2215 * configure: Regenerated.
2217 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2219 * cppfiles.c (stack_include_file): Only increase the include
2220 count if we actually process the file properly, as opposed
2221 to treating it as length zero. Only call read_include_file
2222 if not DO_NOT_REREAD. Handle the -H include file output
2224 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2225 (cpp_included, find_include_file): Simplify pathnames after
2226 remapping them. If remapping, don't use the remapped file
2227 name's buffer as our scratch buffer.
2228 (cpp_pop_file_buffer): Replace the multiple include macro
2229 only if it isn't yet set.
2230 (read_name_map): Simplify remapped names when reading in.
2231 (remap_filename): Move code to code path that uses it.
2232 (_cpp_simplify_pathname): Return the input pointer.
2233 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2235 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2237 * expr.c (expand_expr): Revove bogus conditional.
2239 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2241 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2243 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2245 * reg-stack.c (stack_result): Unconditionally use
2246 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2248 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2250 * expr.c (emit_move_insn_1): Split push of complex value when
2251 no suitable push instruction exist.
2253 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2254 instead of QI_REG_P.
2256 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2258 * alias.c (handled_component_p, can_address_p): New functions.
2259 (get_alias_set): Use them.
2261 2001-03-13 Jim Wilson <wilson@redhat.com>
2263 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2264 from 80 in try_locals code.
2265 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2267 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2269 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2270 gcc_AC_C_LONG_LONG): New.
2271 * configure.in: Use them. Probe the size of short, int, long,
2272 and long long/__int64 if we have them. Move all the AC_C_*
2273 checks together, except gcc_AC_C_CHAR_BIT which has to go
2274 after AC_CHECK_HEADERS(limits.h).
2275 Take hwint.h out of host_xm_file and build_xm_file.
2277 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2278 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2279 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2280 Move the HOST_WIDEST_INT setup logic here from system.h.
2281 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2283 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2284 is now handled by hwint.h.
2286 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2287 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2288 config/ia64/xm-ia64.h: Don't define any of:
2289 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2290 HOST_BITS_PER_LONGLONG.
2292 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2293 config/h8300/xm-h8300.h, config/mips/iris6.h,
2294 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2295 config/sparc/xm-sp64.h: Delete.
2296 * config.gcc: Remove references to deleted files.
2298 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2299 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2300 * config/i370/xm-linux.h: Clarify floating-point situation in
2303 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2305 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2306 (find_include_file): Decide here which part of the include
2307 chain to start the search. Complain about an empty include
2308 chain in all cases apart from an abolsute file name.
2309 (_cpp_execute_include): Don't choose the search chain here.
2310 Don't call handle_missing_include in the case of an empty
2312 (_cpp_compare_file_date): Don't choose the search chain here.
2313 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2314 here from _cpp_execute_include. Behave like #include if
2315 we're in the main file.
2317 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2319 * system.h (malloc, realloc, calloc, strdup): Only poison these
2320 tokens when IN_GCC is defined.
2322 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2324 * i386.md (abs?f expander): Support SSE case.
2325 (abd?f_if): Add new "USE"; add splitters.
2327 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2329 * cpp.texi (poison): Explain the macro expansion exception.
2331 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2333 * expr.c (store_expr): Add dont_store_target. If temp is already in
2334 target before copying to reg, don't store it into target again.
2336 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2338 * cppinternals.texi: Update for file handling.
2340 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2342 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2343 2001-02-24 which broke building the Java library.
2344 * function.c (identify_blocks): Likewise.
2345 (all_blocks): Likewise.
2346 * integrate.c (integrate_decl_tree): Likewise.
2347 * print-tree.c (print_node): Likewise.
2348 * tree.h (BLOCK_NUMBER): Likewise.
2349 (struct tree_block): Likewise.
2351 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2353 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2354 __WCHAR_TYPE__ definition.
2355 (WCHAR_TYPE_SIZE): #undef before #define.
2357 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2359 * cppfiles.c: Update comments.
2360 (destroy_include_file_node): Rename destroy_node.
2361 (find_or_create_entry): New function.
2362 (open_file, _cpp_fake_include): Use it.
2363 (handle_missing_header): New function, broken out of
2364 _cpp_execute include. Don't segfault if there is no
2365 system or quoted path.
2366 (_cpp_execute_include): Use handle_missing_header.
2368 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2370 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2371 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2373 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2375 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2376 unless anti_dependence says they are.
2377 * alias.c (objects_must_conflict): If neither has a type specified,
2380 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2381 David Billinghurst <David.Billinghurst@riotinto.com>
2383 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2385 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2387 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2388 (*_one_bit): Remove type on the match_operand in attributes.
2390 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2392 * i386.c: Commit forgotten hunk in previous patch.
2393 (regclass_map): Add extended registers.
2394 (dbx_register_map): Add missing frame register.
2396 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2398 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2400 * i386.md (x86_sahf_1): Disable for 64bit.
2401 (popsi*, pophi*): Likewise.
2402 (pushqi, pushhi): Likewise.
2403 (movdi, pushdi): Likewise.
2404 (zero extend DImode splitter): Likewise.
2405 (adddi, minusdi splitter): Likewise.
2406 (umulsidi): Likewise.
2408 (mulsidi): Disable for 64bit
2409 (lshift:DI/ashift:DI): Disable for 64bit.
2410 (loop patterns): Likewise.
2411 (call_pop, call_value_pop expanders and patterns): Likewise.
2412 (prologue_get_pc): Likewise.
2414 (fcmovDI pattern and splitter): Likewise.
2415 (movdfcc_1_rex64): New.
2417 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2419 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2420 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2421 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2422 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2423 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2424 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2425 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2426 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2427 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2428 (REGPARM_MAX): Set to 6 for x86_64.
2429 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2430 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2433 * (patterns that does use upper halves): Update constraints
2434 'q' to 'Q' and 'r' to 'R'.
2435 (cmpqi_ext_1): Disable for 64bit.
2436 (cmpqi_ext_3_insn): Likewise.
2437 (movqi_extzv_1): Likewsie.
2438 (addqi_ext_1): Liekwsie
2439 (testqi_ext_1): Liekwsie
2440 (andqi_ext_1): Liekwsie
2441 (xorqi_ext_1): Liekwsie
2442 (cmpqi_ext_1_rex64): New.
2443 (cmpqi_ext_3_insn_rex64): Likewise.
2444 (movqi_extzv_1_rex64): Likewsie.
2445 (addqi_ext_1_rex64): Liekwsie
2446 (testqi_ext_1_rex64): Liekwsie
2447 (andqi_ext_1_rex64): Liekwsie
2448 (xorqi_ext_1_rex64): Liekwsie
2450 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2452 * configure.in: Move check for unsigned enumerated bitfields
2453 to macro in aclocal.m4. Disable it for now.
2454 * configure, config.in: Regenerate.
2455 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2456 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2457 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2458 kind above its first use.
2460 * config/xm-interix.h, config/alpha/xm-alpha.h,
2461 config/i370/xm-linux.h, config/i386/xm-beos.h,
2462 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2463 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2464 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2465 Don't define ONLY_INT_FIELDS under any circumstances.
2467 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2469 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2470 config/sparc/xm-sysv4.h: Delete - now identical with some
2472 * config.gcc (hppa targets): Replace xm-pahpux.h and
2473 xm-papro.h with implicit xm-pa.h.
2474 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2477 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2479 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2480 before reload_cse_noop_set_p.
2482 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2484 * config.gcc: Where xm-host.h used to include another
2485 xm-host.h, list the nested header directly in xm_file. Remove
2486 references to deleted files. Can now use sparc/xm-sp64.h for
2489 * config/xm-linux.h, config/arm/xm-linux.h,
2490 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2491 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2492 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2493 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2494 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2497 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2498 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2499 bother to wrap #undef in #ifdef.
2500 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2501 Don't include xm-linux.h.
2502 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2504 * configure.in: Wrap regexps using [] in changequote block.
2505 Use expr : not echo | grep. Simplify regexps.
2506 * configure: Regenerate.
2508 56 xm-files remain, 22 xm-arch.
2510 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2512 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2513 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2514 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2515 (copy_object): Fix format specifier vs argument mismatch.
2517 * mips-tdump.c: Make local functions static.
2518 (rindex): Don't #undef.
2519 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2520 (fatal, fancy_abort): Delete.
2521 (read_seek): Avoid signed/unsigned compare.
2523 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2525 * combine.c (try_combine): Fix error in change to try original
2527 (gen_rtx_combine): Do same as gen_rtx for now.
2529 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2531 * configure.in: AC_SUBST xm_defines.
2532 * configure: Regenerate.
2533 * Makefile.in: Set DEFINES=$(xm_defines) when building
2536 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2538 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2539 (cpp_included, find_include_file): Update.
2540 (_cpp_compare_file_date): Make else unconditional.
2542 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2544 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2546 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2548 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2549 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2551 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2553 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2554 if it's a record type.
2556 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2558 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2559 mingw includes slightly.
2561 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2563 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2564 #undef token before poisoning it.
2566 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2568 * alpha.c (check_float_value): Use memcpy, not bcopy.
2570 * m32r.c (m32r_sched_reorder): Likewise.
2572 * vax.c (check_float_value): Likewise.
2574 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2576 * toplev.c (file_name_nondirectory): Remove.
2577 * toplev.h: Similarly.
2578 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2579 of file_name_nondirectory.
2581 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2583 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2584 * mips-tfile.c: Don't #undef rindex; not used.
2586 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2588 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2589 (dbx64_register_map): Declare.
2590 (RETURN_ADDR_RTX): Fix for 64bit.
2591 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2592 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2593 * i386.c (dbx64_register_map): New global array.
2594 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2595 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2598 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2600 * cppfiles.c (search_from): Use lbasename.
2601 * mkdeps.c (deps_add_default_target): Use lbasename.
2603 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2605 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2606 xcalloc in lieu of malloc, realloc & calloc.
2608 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2610 * gengenrtl.c (xmalloc): Likewise.
2612 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2613 really_call_* memory allocation routines.
2615 * stmt.c (check_for_full_enumeration_handling): Use
2616 really_call_calloc, not calloc.
2618 * system.h (really_call_malloc, really_call_calloc,
2619 really_call_realloc): Define.
2620 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2622 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2624 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2626 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2628 * configure: Rebuilt.
2629 * configure.in: Only use `lang_requires' for languages athat are
2632 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2634 * invoke.texi: Fix typo.
2635 * gcc.1: Regenerate.
2637 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2639 * configure.in: Prune nonexistent files from build_xm_file,
2640 xm_file, and host_xm_file lists. Warn unless they're
2642 Don't generate *config.h here.
2643 AC_SUBST all variables needed to generate *config.h.
2644 * configure: Regenerate.
2645 * mkconfig.sh: New helper script, from code removed from
2647 * Makefile.in: Zap all MALLOC variables - no longer used
2648 anywhere, and malloc.c doesn't exist.
2649 Substitute in variables needed to generate *config.h.
2650 Stop lying about the dependencies contained in CONFIG_H and
2652 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2653 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2654 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2655 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2656 $(TM_P_H), etc. as appropriate.
2658 * config.gcc: Zap references to deleted files.
2659 * ggc-none.c: Don't include rtl.h or tm_p.h.
2661 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2662 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2663 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2664 config/i386/xm-linux.h, config/i386/xm-linux.h,
2665 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2666 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2667 Don't include i386/xm-i386.h.
2669 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2670 config/i386/xm-i386.h, config/i860/xm-i860.h,
2671 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2672 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2673 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2674 Delete (empty except comments, #includes of other deleted
2675 files, and macros used nowhere).
2677 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2679 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2680 independent on TARGET_FLAGS.
2682 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2684 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2686 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2688 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2690 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2691 LAST_REX_SSE_REG): define.
2692 (enum reg_class): Add 'LEGACY_REGS'
2693 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2694 (SSE_REGNO_P): Recognize extended registers.
2695 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2696 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2697 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2698 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2699 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2700 REG_OK_FOR_STRREG_P): Remove.
2701 (HI_REGISTER_NAMES): Add extended registers.
2702 (ADDITIONAL_REGISTER_NAMES): Likewise.
2703 (QI_REGISTER_NAMES): Add 8bit extended registers.
2704 (DEBUG_REG): Support extended registers.
2705 * i386.c (regclass_map): Add extended registers.
2706 (dbx_register-map): Likewise.
2707 (svr4_dbx_register_map): Likewise.
2708 (print_reg): Support extended registers.
2709 (print_operand): Support 64bit operands.
2711 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2713 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2714 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2715 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2716 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2717 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2718 STACK_BOUNDARY): Set properly for 64bits.
2719 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2720 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2721 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2722 (MOVE_MAX): Set to 16.
2723 (MOVE_MAX_PIECES): 8 for 64bit.
2724 (Pmode): Set to SImode.
2726 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2728 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2730 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2732 * i386.h (mask_64bit): New constant.
2733 (target_64bit): New macro.
2734 (target_options): Add '64'/'32'
2735 (target_default): Define.
2736 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2737 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2738 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2740 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2742 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2744 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2746 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2747 LO_SUM unless for_alias is set.
2749 2001-03-08 Stan Shebs <shebs@apple.com>
2751 * objc/objc-act.c: Fix old typos in comments, add comments for
2753 (hash_init): Fix file name in error message.
2754 (hash_enter): Ditto.
2755 (hash_add_attr): Ditto.
2756 (continue_class): Ditto.
2758 2001-03-08 Bruce Korb <bkorb@gnu.org>
2760 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2761 wait4() can receive the signal.
2763 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2765 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2767 * fixinc/fixincl.x: Regenerate.
2769 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2771 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2773 * fixinc/fixincl.x: Regenerate.
2775 2001-03-08 Richard Henderson <rth@redhat.com>
2777 * configure.in (HAVE_AS_LEB128): New assembler check.
2778 * configure, config.in: Rebuilt.
2780 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2782 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2785 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2787 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2788 references to the MAXPATHLEN macro.
2790 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2791 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2794 * config/i386/xm-gnu.h, config/xm-gnu.h,
2795 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2796 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2797 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2798 and/or unused files.
2800 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2801 doing so in various xm-*.h files.
2803 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2805 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2807 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2809 * configure.in (enable_shared): Support per-package shared-library
2811 * configure: Rebuilt.
2813 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2815 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2816 for crnot. Set operands[5] in splitter.
2818 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2820 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2821 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2822 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2823 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2824 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2825 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2826 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2829 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2830 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2831 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2832 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2833 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2834 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2835 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2836 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2837 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2838 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2839 Delete unused and/or empty files.
2841 * config.gcc: Define USG in xm_defines as appropriate. Define
2842 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2843 macro. Remove deleted xm-* files from $xm_files variable.
2845 2001-03-07 Tom Tromey <tromey@redhat.com>
2847 * configure: Rebuilt.
2848 * configure.in: Allow config-lang.in to set `lang_requires' to list
2849 of other required languages.
2851 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2853 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2855 (output_prologue): Use xmalloc not oballoc.
2856 (output_epilog): Free a29k_first_epilogue_insn when finished.
2857 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2859 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2861 * builtins.c (expand_builtin_mathfn): Check
2862 flag_unsafe_math_optimizations, not flag_fast_math.
2863 (expand_builtin): Likewise
2864 * combine.c (combine_simplify_rtx): Likewise.
2865 (simplify_if_then_else): Likewise.
2866 * cse.c (fold_rtx): Likewise.
2867 * flags.h: Remove flag_fast_math. Add
2868 flag_unsafe_math_optimizations and flag_trapping_math.
2869 * fold-const.c (negate_expr): Check
2870 flag_unsafe_math_optimizations, not flag_fast_math.
2871 (invert_truthvalue): Likewise.
2872 (fold): Likewise. Before associating operands, check that
2873 code == MULT_EXPR, not code != MULT_EXPR.
2874 * ifcvt.c (noce_try_minmax): Check
2875 flag_unsafe_math_optimizations, not flag_fast_math.
2876 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2877 * invoke.texi: Document -funsafe-math-optimizations and
2878 -fno-trapping-math. Change documentation for -ffast-math.
2879 * jump.c (reversed_comparison_code_parts): Likewise.
2880 (rtx_equal_for_thread_p): Likewise.
2881 * optabs.c (emit_conditional_move): Likewise.
2882 * simplify-rtx.c (simplify_binary_operation): Likewise.
2883 (simplify_relational_operation): Likewise.
2884 (simplify_ternary_operation): Likewise.
2885 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2886 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2887 Add trapping-math and unsafe-math-optimizations entries to f_options.
2888 (set_fast_math_flags): New, sets flags for -ffast-math.
2889 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2890 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2891 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2893 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2894 (alpha_emit_conditional_move): Initialize local_fast_math to
2895 flag_unsafe_math_optimizations, not flat_fast_math.
2896 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2897 instead of setting flag_fast_math to 1.
2898 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2900 * config/i386/i386.c (override_options): Likewise
2901 * config/i386/i386.md: Likewise.
2902 * config/m68k/m68k.md: Likewise.
2903 * config/mips/mips.md: Likewise.
2904 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2905 (rs6000_generate_compare): Likewise.
2907 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2909 * Makefile.in: Set RANLIB to @RANLIB@.
2912 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2914 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2915 * fixinc/fixincl.x: Regenerated.
2917 2001-03-07 Richard Henderson <rth@redhat.com>
2919 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2921 2001-03-07 Richard Henderson <rth@redhat.com>
2923 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2924 of block notes and exception handling notes.
2926 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2927 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2928 (compile_file): ... here.
2930 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2932 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2934 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2935 config.h now. Include libiberty.h to handle alloca.
2937 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2939 * c-parse.in (yylexname): New function, split out of _yylex.
2940 (objc_rid_sans_at): New table.
2941 (init_reswords): Initialize it.
2942 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2943 retrieving the next token and checking it for significance as
2944 an ObjC keyword or string constant.
2946 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2947 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2949 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2952 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2954 * config/m68k/m68k.c (const_uint32_operand): Accept any
2955 const_int on a 32-bit host.
2957 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2959 * objc/objc-act.c (init_objc): Set save_lang_status,
2960 restore_lang_status, and mark_lang_status.
2962 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2964 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2966 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2968 * cppinternals.texi: Update.
2970 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2972 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2973 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2974 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2975 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2976 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2977 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2978 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2979 config/i386/xm-i386.h, config/i860/xm-i860.h,
2980 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2981 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2982 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2983 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2984 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2985 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2986 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2987 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2988 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2989 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2990 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2991 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2992 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2993 match the defaults provided in hwint.h.
2995 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2996 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2998 * config.gcc (xm_file): Don't set to files which are deleted.
3000 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3001 guard this file against these macros being undefined.
3003 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3005 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3006 and DECL_DEFER_OUTPUT on the decl we create, before calling
3007 rest_of_decl_compilation.
3009 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3011 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3013 * configure, config.in: Regenerate.
3014 * config.gcc: Remove references to deleted files.
3016 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3017 genrecog.c, rtl.c: Do not use alloca anywhere.
3019 * Makefile.in, build-make, system.h, config/x-interix,
3020 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3021 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3022 config/arc/xm-arc.h, config/arm/xm-arm.h,
3023 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3024 config/h8300/xm-h8300.h, config/i370/x-oe,
3025 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3026 config/i386/x-ncr3000, config/i386/x-sco5,
3027 config/i386/xm-dgux.h, config/i860/x-sysv4,
3028 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3029 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3030 config/m68k/x-hp320g, config/m69k/x-mot3300,
3031 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3032 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3033 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3034 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3035 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3036 config/mips/x-iris, config/mips/x-iris3,
3037 config/mips/x-sni-svr4, config/mips/x-sysv,
3038 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3039 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3040 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3041 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3042 config/pa/xm-papro.h, config/romp/xm-romp.h,
3043 config/rs6000/x-aix31, config/rs6000/x-aix41,
3044 config/rs6000/x-beos, config/rs6000/x-lynx,
3045 config/rs6000/x-mach, config/rs6000/x-rs6000,
3046 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3047 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3048 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3049 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3050 config/vax/xm-vms.h: Eradicate all references to alloca and
3053 * config/xm-alloca.h, config/clipper/x-clix,
3054 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3055 config/i860/x-sysv3, config/m88k/x-sysv3,
3056 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3057 (contained only alloca related hacks).
3059 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3062 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3064 * invoke.texi: Document __FAST_MATH__.
3066 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3068 * crtstuff.c: Restore include of auto-host.h.
3070 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3072 Put main() in a separate file, so that the language
3073 front-end can use a different main().
3076 * toplev.c: (main): Rename as toplev_main.
3077 * toplev.h: Declare toplev_main.
3078 * Makefile.in (OBJS): add toplev.o.
3079 (BACKEND): remove toplev.o, add main.o.
3081 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3083 * cppfiles.c (search_from): Special case the empty string.
3085 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3087 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3088 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3089 strlen or strcpy; we already know the length.
3090 (_cpp_compare_file_date): Similarly.
3091 * cpphash.h (struct cpp_reader): Delete done_initialising.
3092 (CPP_PREV_BUFFER): Delete.
3093 * cppinit.c (cpp_start_read): Don't set done_initialising.
3094 * cpplex.c (parse_string): Guarantee null-termination.
3095 (_cpp_equiv_toklists): Remove.
3096 * cpplib.c (glue_header_name): Null-terminate.
3097 (do_line): Don't leak memory.
3098 * cpplib.h (BT_WEAK): Delete.
3099 * cppmain.c (cb_ident): Strings are now null-terminated.
3101 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3103 * gcc.c (convert_filename): Append executable suffix
3104 if NO_AUTO_EXE_SUFFIX is not defined.
3105 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3106 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3108 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3110 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3111 * c-parse.gperf, c-gperf.h: Delete.
3112 (c-gperf.h was accidently re-added to the CVS repo in the rev
3113 1.16 commit by tromey)
3115 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3117 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3118 macro arguments when looking for the '('.
3119 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3120 2 when really parsing arguments; 1 when looking for '('.
3121 Always restore the lexer position.
3123 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3125 * longlong.h (umul_ppmm): Don't use a multiline string.
3127 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3129 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3130 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3131 t_bool in declaration because pcc can't combine volatile with typedef
3134 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3136 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3137 until when it is really needed.
3138 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3139 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3140 * i386.md (float?i?f splitter): Don't force source operand to memory
3142 (sse_movdfcc): Fix constraint.
3143 (sse_movdfcc splitter): Handle properly the second alternative.
3145 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3147 * cpplex.c (parse_string): Unconditionally pedwarn.
3149 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3152 * cppexp.c (parse_number): Update.
3153 * cpplex.c (parse_string): Pedwarn if multiline string does not
3154 result from a system header's macro.
3155 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3156 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3157 for function-like macros too.
3158 * c-lex.c (lex_number): Update.
3160 2001-03-03 Richard Henderson <rth@redhat.com>
3162 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3164 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3166 * combine.c (try_combine): If split with mode-changed scratch
3167 register didn't work, try the original mode.
3169 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3171 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3172 * config/c4x/c4x.h: Likewise.
3173 * stor-layout.c (compute_record_mode): Likewise.
3174 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3176 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3178 * configure.in: Kill tm.h. Include the files in the $tm_file
3179 list in all three of config.h, hconfig.h, tconfig.h, after the
3180 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3181 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3182 * configure: Regenerate.
3183 * Makefile.in (clean): Don't delete tm.h.
3185 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3186 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3187 those are not defined, set SEC and FEC to 0 and 1.
3188 * gcc.texi: Update to match.
3190 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3191 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3192 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3193 Include tconfig.h, not tm.h.
3195 * config/xm-lynx.h, config/xm-std32.h,
3196 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3197 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3198 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3199 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3200 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3201 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3202 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3203 config/i386/xm-i386.h, config/i860/xm-i860.h,
3204 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3205 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3206 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3207 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3208 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3209 config/pa/xm-linux.h, config/pa/xm-pa.h,
3210 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3211 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3212 config/pj/xm-pj.h, config/romp/xm-romp.h,
3213 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3214 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3215 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3216 config/v850/xm-v850.h, config/vax/xm-vax.h,
3217 config/we32k/xm-we32k.h:
3219 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3221 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3222 config/i370/xm-oe.h: Don't include tm.h. Don't define
3224 * config/vax/xm-vms.h: Don't include tm.h.
3226 * config/xm-lynx.h, config/avr/xm-avr.h,
3227 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3228 Delete; made empty by above changes.
3229 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3230 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3231 Don't include config/xm-lynx.h or tm.h.
3233 * config/xm-gnu.h: Don't include fcntl.h.
3234 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3236 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3238 2001-03-02 Richard Henderson <rth@redhat.com>
3240 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3241 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3243 2001-03-02 Richard Henderson <rth@redhat.com>
3245 * Makefile.in (OBJS): Add dwarf2asm.o.
3246 * dwarf2asm.c, dwarf2asm.h: New files.
3247 * dwarf2out.c (*): Use them.
3248 (size_of_uleb128, size_of_sleb128): Remove.
3249 (output_uleb128, output_sleb128): Remove.
3250 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3251 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3252 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3253 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3254 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3255 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3256 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3257 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3258 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3259 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3260 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3261 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3262 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3263 (dwarf2out_frame_debug): Remove unused variables.
3264 (output_loc_operands): Don't abort on 8 byte constants if
3265 host integers are wide enough.
3266 (output_symbolic_ref): Remove.
3267 (size_of_die): Don't assume 4 byte host integers.
3268 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3270 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3271 something stupid with HOST_WIDE_INT to long truncation.
3272 [CONST_DOUBLE]: Likewise.
3274 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3275 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3276 * config/arm/unknown-elf.h: Likewise.
3277 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3278 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3279 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3280 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3281 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3282 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3283 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3284 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3285 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3286 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3287 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3288 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3290 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3292 * cselib.c (hash_rtx): Cast enums to unsigned int.
3294 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3296 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3297 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3299 * c-format.c (C_STD_VER): Cast to int for comparisons.
3300 (check_function_format): Cast various enums to int for &.
3301 (maybe_read_dollar_number): Likewise.
3302 (check_format_info): Likewise.
3303 (check_format_info_main): Likewise.
3304 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3305 (safe_from_p): Likewise.
3306 * varasm.c (const_hash): Cast enum to int for %.
3307 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3308 pcc enum problems with < and ++ operators.
3309 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3310 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3311 (regclass_init): Change enum class to int to iterate over reg_classes.
3312 * genrecog.c (merge_trees): Cast enums for comparison.
3313 * rtl.h (GET_CODE): Cast to enum rtx_code.
3314 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3315 (GET_MODE): Cast to enum machine_mode.
3316 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3317 (GET_NOTE_INSN_NAME): Cast enum to int.
3318 * tree.h (TREE_CODE): Cast to enum tree_code.
3319 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3320 * timevar.c (timevar_print): Change loop variable id from enum to
3322 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3323 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3324 * toplev.c (compile_file): Cast enum DFI to int.
3325 (decode_d_option): Likewise.
3327 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3329 * cppinit.c (append_include_chain): Mark "after" include file name list
3330 as a system directory.
3331 * cpp.texi: Document new behavior.
3333 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3335 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3337 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3339 * cppfiles.c (struct include_file): Update.
3340 (stack_include_file): Use search_from.
3341 (cpp_included, find_include_file): Update.
3342 (cpp_execute_include): Update. ptr->name may not be
3343 null terminated. Use the new search_from member variable
3345 (_cpp_compare_file_date): Similarly.
3346 (search_from): New function, similiar to actual_directory.
3347 (actual_directory): Delete.
3348 (remap_filename): Update. loc->name may not be null terminated.
3349 (struct file_name_list): Rename search_path. Update.
3350 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3351 search_from and dir.
3352 (struct cpp_reader): Remove actual_dirs.
3353 * cppinit.c (struct cpp_pending): Update for renamed objects.
3354 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3355 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3356 * cpplib.h (struct cpp_options): Similarly.
3358 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3360 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3361 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3362 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3363 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3364 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3365 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3366 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3367 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3368 config/i370/xm-oe.h, config/i386/xm-aix.h,
3369 config/i386/xm-i386.h, config/i386/xm-osf.h,
3370 config/i860/xm-i860.h, config/i960/xm-i960.h,
3371 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3372 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3373 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3374 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3375 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3376 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3377 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3378 config/pj/xm-pj.h, config/romp/xm-romp.h,
3379 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3380 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3381 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3382 config/v850/xm-v850.h, config/vax/xm-vax.h,
3383 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3384 Do not define TRUE or FALSE.
3386 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3387 empty by above change.
3388 * config.gcc: Remove references to these files.
3390 * configure.in: Detect stdbool.h.
3391 * configure, config.in: Regenerate.
3392 * system.h: Include stddef.h here if available.
3393 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3394 Then set up a sensible boolean type at the very end.
3396 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3397 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3399 * hash.h: Delete 'boolean' typedef and related #undefs.
3401 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3402 all uses of 'boolean' with 'bool'.
3404 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3406 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3407 * cppexp.c (lex): Cast enums for comparison.
3408 * cppinit.c (parse_option): Cast enum for comparison.
3409 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3410 (cpp_output_token): Likewise.
3411 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3412 (cpp_avoid_paste): Cast enums for minus and comparison.
3414 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3416 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3417 field to all array elements.
3419 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3421 * cpphash.h (struct cpp_reader): Add print_version field.
3422 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3423 just set print_version and other flags as appropriate.
3424 (cpp_post_options): Print version here if print_version is set.
3426 * toplev.c (exit_after_options): New flag.
3427 (independent_decode_option): Don't exit here; just set
3429 (main): Exit after calling lang_hooks.post_options if
3430 exit_after_options is true.
3432 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3433 (merge_include_chains): Adjust comment to match code.
3435 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3437 * stringpool.c (set_identifier): New function.
3438 * tree.h: Prototype it.
3440 * c-parse.in: Kill D_YES. If compiled for objc, call
3441 save_and_forget_protocol_qualifiers from init_reswords.
3442 * objc/objc-act.c (remember_protocol_qualifiers,
3443 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3444 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3446 (save_and_forget_protocol_qualifiers): New function.
3447 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3449 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3451 * c-semantics.c (prune_unused_decls): Return error_mark_node
3452 instead of (tree) 1 to stop traversing the tree chain.
3454 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3456 Fix a problem introduced by Kenner's Feb 18 change.
3457 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3458 flag_cse_skip_blocks only temporarily, not for ever.
3460 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3462 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3463 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3465 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3466 before determining its register class.
3468 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3470 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3471 from reg 4 if current_function_calls_setjmp.
3472 (gen_nop_type): New function.
3473 (ia64_emit_nops): New function.
3474 (ia64_reorg): Call it.
3475 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3477 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3478 code not to try to optimize adds with anything but a REG destination.
3480 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3481 (INSN_PRIORITY_KNOWN): New accessor macro.
3482 * haifa-sched.c (priority): Use it instead of testing priority against
3485 2001-02-28 DJ Delorie <dj@redhat.com>
3487 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3488 since that doesn't work the way gcc wants on a generic m68k.
3490 2001-02-28 Richard Henderson <rth@redhat.com>
3492 * caller-save.c (save_call_clobbered_regs): Fix typo in
3493 comparison last change.
3495 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3497 * i386.c (pentium4_cost): New.
3498 (m_PENT4): New macro.
3499 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3500 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3501 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3502 x86_memory_mismatch_stall): Add Pentium4
3503 (x86_use_q_reg, x86_use_any_reg): Kill.
3504 (override_options): Add pentium4.
3505 (incdec_operand): Return 0 for pentium4.
3506 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3507 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3508 (TARGET_PENTIUM4): Define.
3509 (enum processor_type): Add PROCESSOR_PENTIUM4.
3510 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3511 * i386.md (attribute "cpu"): Add pentium4.
3512 * invoke.texi (march): Add pentium4.
3514 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3516 * i386.md (sse_mov?fcc*): New patterns and splitters.
3517 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3518 the SSE based conditional moves.
3520 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3522 * i386.md (attribute mode): Add "TI".
3523 (movsf_1): Add pxor support; remove constant propagation splitter.
3524 (movdf_integer): Likewise.
3525 (movdf_nointeger): Likewise.
3526 (movxf constant prop splitter): Handle all modes; update for SSE.
3527 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3528 * i386.c (standard_80387_constant_p): Rewrite.
3529 (standard_sse_constant_p): New.
3530 * i386-protos.h (standard_sse_constant_p): New.
3532 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3534 * i386.md (sse_setccsf, sse_setccdf): New.
3535 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3537 * i386.c (sse_comparison_operator): Accept the supported unordered
3538 comparses; be ready for fast_math.
3539 (print_operand): Support 'D'.
3541 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3543 * jump.c (reversed_comparison_code): Kill.
3545 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3547 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3550 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3552 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3553 add missing '%' in constraints.
3555 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3557 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3558 for HOST_BITS_PER_WIDE_INT == 32 too.
3560 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3562 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3564 (insert_save, insert_restore): New parameter save_mode.
3565 (init_caller_save): Update initialization of reg_save_code
3566 and reg_restore_code.
3567 (save_call_clobbered_regs): Compute save_modes and update calls to
3568 reg_save_code and reg_restore_code.
3569 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3570 of spill; update use of reg_restore_code.
3571 (insert_save): Likewise.
3572 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3573 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3574 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3576 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3578 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3579 noce_try_store_flag_inc, noce_try_store_flag_mask,
3580 noce_try_cmove_arith):
3581 Use reversed_comparison_code instead of reverse_comparison and
3582 can_reverse_comparison_p.
3584 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3586 * jump.c (reversed_comparison_code_parts): Allow reversal of
3587 unordered compares in -ffast-math mode; reverse ordered compares
3588 for FP even w/o -ffast-math.
3590 2001-02-27 Richard Henderson <rth@redhat.com>
3592 * print-rtl.c (print_rtx) [i]: Don't print field five on
3593 NOTEs other than NOTE_INSN_DELETED_LABEL.
3595 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3597 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3598 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3600 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3602 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3603 even if walk_subtrees is 0.
3604 * c-semantics.c (prune_unused_decls): Return a non-null value to
3605 stop traversing the tree chain.
3607 2001-02-27 DJ Delorie <dj@redhat.com>
3609 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3610 register, *then* define it as the new CFA.
3612 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3614 * pa.c (override_options): Promote -fpic to -fPIC.
3615 (legitimize_pic_address): Simplify due to removal of
3616 small PIC as a code generation option.
3617 (secondary_reload_class): Similarly.
3618 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3619 (PRINT_OPERAND_ADDRESS): Similarly.
3620 * pa.md (various patterns): Similarly.
3621 (small pic lo_sum pattern): Remove.
3623 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3626 * md.texi (min, max): Document
3628 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3630 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3631 TARGET_PARTIAL_REG_DEPENDENCY.
3632 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3634 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3636 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3638 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3640 * mips.c (mips_make_temp_file): Fix thinko in last change.
3642 2001-02-26 Jason Eckhardt <jle@redhat.com>
3644 * combine.c (known_cond): Do not reverse the condition when
3645 SMAX/UMAX is being considered and the condition is for equality
3648 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3650 2001-02-26 Philip Blundell <philb@gnu.org>
3652 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3654 * config/arm/linux-elf.h: Remove historical relics related to
3655 above configurations.
3656 * config/arm/linux-oldld.h: Delete.
3657 * config/arm/linux-elf26.h: Delete.
3659 2001-02-26 Jason Merrill <jason@redhat.com>
3661 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3663 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3664 recognize a tentative definition. Lose obsolete code.
3666 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3667 variables unless necessary, either.
3669 2001-02-25 Richard Henderson <rth@redhat.com>
3671 * ifcvt.c (struct noce_if_info): Add test_bb.
3672 (noce_get_alt_condition): New.
3673 (noce_try_minmax, noce_try_abs): New.
3674 (noce_operand_ok): New.
3675 (noce_process_if_block): Use them.
3676 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3678 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3680 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3683 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3685 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3686 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3688 (mips_asm_file_end): Free temp_filename here.
3690 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3692 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3693 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3695 * config/i386/i386.md (movstrsi): Handle FAIL case.
3697 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3699 * cppinit.c (builtin_array): Update.
3700 (init_builtins): Flag builtins to warn if redefined or
3701 undefined. Define __GXX_WEAK as a normal macro.
3702 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3703 * cpplib.h (NODE_WARN): New flag.
3704 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3705 Handle __STDC__ as a builtin only on Solaris.
3706 (warn_of_redefinition): Renamed from check_macro_definition.
3707 Reverse sense of test. Always warn if NODE_WARN.
3708 (_cpp_create_definition): Use warn_of_redefinition. Flag
3709 any macro beginning with "__STDC_" to require a mandatory
3710 warning if redefined or undefined.
3712 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3714 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3715 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3716 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3717 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3718 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3719 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3720 Don't define any of:
3721 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3722 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3723 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3724 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3725 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3727 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3728 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3731 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3732 Delete now-empty file.
3734 * alpha/vms.h: Define NEED_ATEXIT here...
3735 * alpha/xm-vms.h: ...not here.
3737 * i386/cygwin.h: Don't define PARAMS.
3738 * mips/mips.c: Don't prototype mktemp. Don't define
3739 P_tmpdir. Use make_temp_file to create temporary files.
3740 Don't be clever and delete temporary files early.
3741 * config.gcc: Drop references to deleted files. Don't define
3743 * gcc.texi: Don't mention USE_PROTOTYPES.
3745 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3747 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3748 (ix86_set_move_mem_attrs_1): Likewise.
3749 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3750 * config/i386/i386.md (movstrsi): Call it.
3752 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3754 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3755 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3756 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3757 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3759 (i750a-*-*): Error here if hosting on i750a.
3760 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3762 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3763 Remove (empty modulo comments).
3765 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3766 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3767 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3768 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3769 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3770 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3772 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3773 Remove reference to winnt.h in comment.
3774 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3776 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3778 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3779 used to set another biv.
3781 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3783 * tree.h (BLOCK_DEAD): New macro.
3784 (struct tree_block): New flag, dead_flag.
3785 * print-tree.c (print_node, case 'b'): Print missing fields.
3786 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3787 * function.c (identify_blocks): Enable test for misplaced notes.
3788 (all_blocks): Skip BLOCK_DEAD blocks.
3789 * integrate.c (integrate_decl_tree): Likewise.
3791 * errors.c (internal_error, trim_filename): New functions.
3792 (fancy_abort): Call internal_error.
3793 * errors.h (internal_error, trim_filename): New declarations.
3795 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3797 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3799 (EXTRA_CONSTRAINT): Formatting changes.
3801 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3803 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3805 2001-02-23 Per Bothner <per@bothner.com>
3807 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3808 so they can be called from java/jvspec.c.
3809 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3811 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3813 * i386.c (ix86_frame): New structure.
3814 (ix86_compute_frame_size): Kill.
3815 (ix86_compute_frame_layout): New.
3816 (ix86_save_reg): New.
3817 (ix86_can_use_return_insn_p): Use frame layout stuff.
3818 (ix86_expand_prologue): Likewise.
3819 (ix86_expand_epilogue): Likewise.
3820 (ix86_initial_elimination_offset): Likewise.
3821 (ix86_nsaved_regs): Use ix86_save_reg.
3822 (ix86_emit_save_regs): Likewise.
3824 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3826 * flow.c (find_sub_basic_blocks): New function.
3827 (split_block): Be ready for basic block introduced by CODE_LABEL.
3828 (commit_one_edge_insertion): Call find_sub_basic_block.
3830 * flow.c (make_edges): Add edge from entry for blocks starting with
3831 label having ALTERNATE_NAME
3833 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3835 * function.c (epilogue_done): Be ready for first basic block not
3836 containing PROLOGUE_END note.
3837 (reposition_prologue_and_epilogue_notes): Avoid placing
3838 PROLOGUE_END note between BASIC_BLOCK.
3840 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3842 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3844 2001-02-21 DJ Delorie <dj@redhat.com>
3846 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3847 check for current_function_has_nonlocal_goto from 1999-11-12.
3849 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3851 * diagnostic.c (trim_filename): No longer static.
3852 * toplev.h (trim_filename): Declare.
3853 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3854 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3855 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3856 (rtvec_check_failed_bounds): Likewise.
3857 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3859 * convert.c (convert_to_integer): Don't do unsigned unless result or
3860 both inputs are unsigned.
3862 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3865 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3867 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3869 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3871 * Makefile.in (resource.o): Add params.h dependence.
3872 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3873 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3874 * resource.c: Add dependence on params.h.
3875 (current_live_regs): Fix explanatory comment.
3876 (find_basic_block): Add new parameter to permit limiting search
3878 (mark_target_live_regs): Add new argument to find_basic_block call.
3879 (incr_ticks_for_insn): Likewise.
3881 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3883 * diagnostic.c (output_to_stream): Rename to
3884 output_buffer_to_stream. Loses the stream parameter.
3885 (init_output_buffer): Set diagnosic_buffer's stream.
3886 (flush_diagnostic_buffer): Adjust.
3887 (default_print_error_function): Likewise.
3888 (finish_diagnostic): Likewise.
3889 (verbatim): Likewise.
3891 * diagnostic.h (struct output_buffer): Add `stream' field.
3892 (output_buffer_attached_stream): New macro.
3894 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3896 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3897 check if either operand is divisible by C.
3898 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3899 If type is signed, consider negative numbers as well.
3901 2001-02-22 Richard Henderson <rth@redhat.com>
3903 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3904 reach .text instead of gp-relative relocs.
3905 * config/ia64/crtend.asm (.init): Likewise.
3907 2001-02-22 Andreas Jaeger <aj@suse.de>
3909 * extend.texi (C++ Attributes): Fix typo.
3911 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3913 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3914 functions, drop current_function_args_info.words test.
3915 (ia64_compute_frame_size): Mark syscall_linkage functions as
3916 using eight input registers.
3918 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3919 Bruce Korb <bkorb@gnu.org>
3921 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3922 * fixinc/README: Document how to convert sed substitutions
3923 to format style c_fix-es.
3924 * fixinc/fixincl.x: regen
3926 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3928 * gcc.c: Add comment explaining how to add a command-line option.
3929 Add title to specs language comment.
3931 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3933 * gcc.c (cc1_options): Add "-param".
3934 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3935 (option_map): Likewise.
3936 * toplev.c (display_help): Add entry for "--param".
3937 (independent_decode_option): Fix typographical error.
3939 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3940 Bernd Schmidt <bernds@redhat.com>
3941 Jan Hubicka <jh@suse.cz>
3943 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3944 (function_arg): Likewise.
3946 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3948 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3950 2001-02-21 Kazu Hirata <kazu@hxi.com>
3952 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3956 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3958 * flow.c (init_propagate_block_info): Canon address and use single_set
3959 for killing dead memory stores.
3961 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3963 * Makefile.in (reorg.o): Add params.h dependence.
3964 * params.def: Fix typographical error in comment.
3965 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3966 * params.h: Modify introductory comment.
3967 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3968 * reorg.c: Add dependence on params.h.
3969 (redundant_insn): Add parameterized throttle for search.
3970 (fill_simple_delay_slots): Add a comment explaining a variable.
3971 Move conditional out of loop, simplifying code.
3972 (fill_eager_delay_slots): Fix typographical error in comment.
3974 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3976 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3978 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3979 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3981 2001-02-21 Jason Merrill <jason@redhat.com>
3983 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3984 (struct tree_decl): Add uninlinable bitfield.
3985 * c-decl.c (duplicate_decls): Set it.
3986 * integrate.c (function_cannot_inline_p): Check it.
3988 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3989 DW_AT_MIPS_linkage_name to abstract methods.
3990 (dwarf2out_abstract_function): Emit class context before calling
3991 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3992 (gen_subprogram_die): Remove obsolete code.
3993 (gen_member_die): Don't include clones in the member list.
3994 (gen_decl_die): Emit abstract info for clone origin.
3995 * dwarfout.c (output_type): Don't include clones in the member list.
3996 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3997 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3998 DECL_ABSTRACT on a function that already has it set.
4000 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4001 (get_subprogram_die): Pass it in.
4003 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4005 * flow.c (mark_set_1): Make not_dead unsigned long. For
4006 non-pseudos, use it as a bitmask of the hard regs that
4009 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4011 * cppfiles.c: Update comments.
4012 (_cpp_read_file): Don't check for NULL filenames any more.
4013 * cppinit.c (cpp_start_read): Don't do canonicalization of
4014 in_fname and out_fname. Use the passed file name exclusively.
4015 (_cpp_handle_options): Don't treat "-" as a command line option,
4016 but as a normal filename.
4017 (_cpp_post_options): Canonicalize in_fname and out_fname.
4018 * cppmain.c (printer_init): Don't check out_fname for NULL.
4019 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4020 (init_c_lex): Update, and use "" to represent stdin to CPP.
4023 2001-02-20 Will Cohen <wcohen@redhat.com>
4025 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4026 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4027 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4030 2001-02-20 Stan Shebs <shebs@apple.com>
4032 * config/rs6000/rs6000.c (output_cbranch): Output branches
4033 on separate lines instead of using ';' to separate.
4035 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4037 * cppinit.c (set_lang): Move builtin handling to...
4038 (init_builtins): ...here.
4039 (_cpp_create_reader): Move call to set_lang.
4041 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4043 * stmt.c (expand_return): If an attempt is made to return the
4044 error_mar_node, treat the return like a return without a value.
4046 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4048 * sibcall.c (skip_copy_to_return_value): Call
4049 identify_call_return_value here, and return orig_insn if it
4050 returns zero. Hardret and softret arguments now unnecessary.
4051 (call_ends_block_p): Don't call identify_call_return_value here.
4053 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4055 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4056 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4058 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4060 * pa.c (move_operand): Accept code to load the address of a
4061 symbol out of the DLT as a valid move operand.
4062 (print_operand, case 'A'): New to handle generating a DLT
4063 reference for a LO_SUM expression.
4064 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4065 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4067 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4069 * README, cpp.texi, gcc.texi, version.c: Update version number to
4071 * cpp.1, gcov.1, gcc.1: Regenerate.
4073 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4075 * cppfiles.c (stack_include_file): Generate dependencies
4076 here, and manage include_count here too.
4077 (PRINT_THIS_DEP): Delete.
4078 (_cpp_execute_include): Do not generate dependencies here,
4079 apart from the case of a missing header. Do not manage
4081 (_cpp_read_file): Leave dependency generation to
4084 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4086 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4087 target_cpu_default. Remove dead assignment to
4090 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4092 * regclass.c (contains_reg_of_mode): Make global.
4093 (init_reg_sets): Remove contains_reg_of_mode; take into account
4094 CLASS_MAX_NREGS when looking for the proper mode.
4095 (dump_regclass): Dump only classes considered for the pseudo.
4096 (regclass): Use contains_reg_of_mode.
4098 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4100 * gcc.c (do_spec_1): 'n' for printing notices.
4101 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4103 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4105 * reg-stack.c (next_flags_user): Use current_block->end
4106 (swap_rtx_condition): Look for next user if flags don't die;
4107 give up on CALL_INSNs; use current_block->end.
4109 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4111 * sibcall.c (call_ends_block_p): New function.
4112 (optimize_sibling_and_tail_recursive_call): Use it.
4114 2001-02-18 Kazu Hirata <kazu@hxi.com>
4116 * config/h8300/h8300.md: Update copyright.
4117 (andsi3): Do not output an extra newline character.
4119 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4121 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4122 FNDECL may be unused.
4124 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4125 follow jumps after first run.
4126 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4127 it doesn't change any jumps.
4129 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4131 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4132 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4133 (mostlyclean): Corresponding changes.
4134 * rtlanal.c (hard-reg-set.h): Include.
4135 (rtx_unstable_p): Do not treat the argument pointer specially
4136 if it is not a fixed register.
4137 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4139 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4141 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4142 against last real insn in basic block.
4143 Rework to avoid gotos.
4145 * Makefile.in (gcse.o): Now includes ggc.h.
4146 * gcse.c: Include ggc.h.
4147 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4148 (try_replace_reg): Remove warning of uninitialize variable.
4149 (process_insert_insn): Call invalid_insn_p to validate insn.
4150 * recog.c (insn_invalid_p): Now global.
4151 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4152 * recog.h (insn_invalid_p): New declaration.
4154 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4156 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4157 assignments from FP constants since 'Y' output code can't handle it.
4158 (eligible_for_sibcall_delay): Likewise.
4160 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4161 Call fancy_abort directly, passing args.
4162 (print_rtl_and_abort): Now a macro, like fancy_abort.
4164 * final.c (output_operand_lossage): Use internal_error, not error.
4166 2001-02-18 Shane Nay <shane@agendacomputing.com>
4168 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4169 structure shift insns.
4171 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4173 * invoke.texi (-fsquangle): Remove documentation.
4174 (-fname-mangling-version): Likewise.
4176 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4178 * optabs.c (expand_abs): Remove reference to
4179 HAVE_contitional_arithmetic.
4180 * combine.c (simplify_set): Likewise.
4182 2001-02-18 Richard Henderson <rth@redhat.com>
4184 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4187 2001-02-18 Richard Henderson <rth@redhat.com>
4189 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4191 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4193 * reload1.c (reload_cse_simplify_set): Fix typo.
4195 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4197 * diagnostic.c (_fatal_insn): Decrement errorcount.
4199 * invoke.texi (-I): Add note avoiding use for system header files.
4201 * rtl.h (add_clobbers): Remove duplicate declaration.
4202 * recog.h (added_clobbers_hard_reg_p): New declaration.
4203 * genemit.c (struct clobber_pat): New field has_hard_reg.
4204 (gen_insn): Record if added clobbers clobber hard reg.
4205 (gen_split): Avoid unused warning if number of operands is 0.
4206 (output_added_clobbers_hard_reg_p): New function.
4209 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4211 * pa.c (hppa_expand_prologue): Simplify code storing return
4212 pointer. For large (>=8k) frames with a post_store, adjust stack
4213 pointer by 8k-64 first rather than by 64. When testing with
4214 VAL_14_BITS_P, always use the actual value rather than the value
4215 negated. Add blockage to prevent scheduling of spills before
4216 stack frame has been created.
4217 (hppa_expand_epilogue): Simplify code loading return pointer.
4218 Allow a slightly larger range for merge_sp_adjust_with_load case.
4219 When testing with VAL_14_BITS_P, always use the actual value.
4221 * pa.c (pa_adjust_insn_length): Check that block move
4222 pattern is a set before looking at operands.
4224 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4226 * fold-const.c (fold_binary_op_with_conditional_arg): New
4227 function, split out from ...
4229 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4230 conditional arms that throw exceptions.
4232 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4235 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4237 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4238 define HAVE_DECL_* to 1 to mask potential backup declarations.
4239 * configure: Regenerated.
4241 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4243 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4245 2001-02-17 Richard Henderson <rth@redhat.com>
4247 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4248 when replacing a memory load with a register.
4250 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4251 Jan Hubicka <jh@suse.cz>
4253 * recog.c (validate_replace_src_1): New.
4254 (validate_replace_src_data): Likewise.
4255 (validate_replace_src): Use note_uses.
4256 * rtl.h (note_uses): Declare.
4257 * rtlanal.c (note_uses): New.
4259 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4261 * reg-stack.c (stack_def): Make field reg unsigned.
4262 (remove_regno_note): Unsignetize parameter.
4264 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4266 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4267 shladd_operand() call.
4269 2001-02-16 Bruce Korb <bkorb@gnu.org>
4270 Rodney Brown <RodneyBrown@mynd.com>
4272 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4273 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4274 machine restrictions
4275 * fixinc/fixincl.x: regen
4277 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4279 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4281 (hash_scan_insn): Clean up calls to hash_scan_set.
4282 (compute_kill_rd): REGNO now unsigned.
4283 (try_replace_reg): Rework to use simplify_replace_rtx.
4284 (cprop_jump, cprop_cc0_jump): Likewise.
4285 (cprop_insn): Call find_reg_equal_equiv_note.
4286 Reflect changes to cprop_jump and cprop_cc0_jump.
4288 * recog.c (validate_replace_src): Replace in operands of
4289 ZERO_EXTRACT in SET_DEST.
4291 * cse.c (new_label_ref): New variable.
4292 (insert): Set it instead of recorded_label_ref.
4293 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4294 CODE_LABEL for this function, and not already in REG_LABEL note.
4296 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4298 * resource.c (mark_referenced_resources): Fix typo in introductory
4300 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4303 2001-02-16 Jason Merrill <jason@redhat.com>
4305 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4307 (gen_subprogram_die): Don't abort on seeing a second definition if
4308 the previous one was abstract. Don't replace an abstract instance
4309 in the lookup table.
4311 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4312 gen_abstract_function.
4313 * dwarf2out.h: Declare it.
4314 * toplev.c (note_outlining_of_inline_function): New fn.
4315 * toplev.h: Declare it.
4316 * integrate.c (output_inline_function): Call it.
4317 * c-decl.c (duplicate_decls): Call it when redefining an extern
4318 inline. Don't inline the new defn.
4320 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4322 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4324 * .gdbinit: Rename to gdbinit.in.
4325 * gdbinit.in: New file,
4326 * configure.in: Generate .gdbinit from gdbinit.in.
4327 * configure: Regenerated.
4328 * Makefile.in (distclean): Always remove .gdbinit.
4330 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4332 * objc/objc-act.c (start_class): Register implemented_classes with
4335 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4337 * cppfiles.c (_cpp_make_system_header): Generate a file
4340 2001-02-15 Jim Meyering <meyering@lucent.com>
4342 * Makefile.in (install-common): Don't depend on installdirs here.
4343 Instead, make each of the lang.install-common targets (e.g.,
4344 c++.install-common in cp/Make-lang.in) depend on it.
4345 (install-driver): Depend on installdirs.
4347 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4349 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4351 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4354 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4356 * invoke.texi (--param): Document.
4358 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4360 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4362 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4364 * i386.md (extendsfdf2_2): Fix constraints.
4366 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4368 * i386.md (fop_df_3 splitter): Fix operand number.
4370 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4372 * invoke.texi (-mreg-alloc): Nuke.
4373 * i386.c (ix86_reg_alloc_order, regs_allocated,
4374 order_regs_for_local_alloc): Nuke.
4375 (override_options): Kill reg_alloc code.
4376 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4377 (REG_ALLOC_ORDER): SSE goes before I387.
4378 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4379 (ix86_reg_alloc_order): Likewise.
4380 * i386-protos.h (ix86_reg_alloc_order): Kill.
4382 2001-02-14 Richard Henderson <rth@redhat.com>
4384 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4386 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4388 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4390 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4392 * i386-protos.h (ix86_memory_move_cost): Move offline.
4393 * i386.c (ix86_register_move_cost): Compute properly cost of
4394 SSE, MMX and i387 instructions.
4395 (*_cost): Add costs of SSE/MMX moves.
4396 (ix86_memory_move_cost): Move offline from ....; Likewise.
4397 * i386.h (MEMORY_MOVE_COST): .... here;
4398 (struct processor costs): Add new fields to represent costs
4401 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4403 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4404 move_cost together with Matt Kraai's fix.
4406 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4408 * Makefile.in (OBJS): Add params.o.
4410 2001-02-14 Richard Henderson <rth@redhat.com>
4411 DJ Delorie <dj@redhat.com>
4413 * jump.c (jump_optimize_1): When we delete a conditional jump
4414 preceeding a non-conditional jump to effectively the same place,
4415 make sure that the combined jump skips any clobber insns between
4418 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4420 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4422 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4424 * Makefile.in (toplev.o): Depend on params.h.
4425 (intergate.o): Likewise.
4426 (params.o): New target.
4427 * flags.h (inline_max_insns): Remove.
4428 * integrate.c: Include params.h.
4429 Use MAX_INLINE_INSNS instead of inline_max_insns.
4430 * params.c: New file.
4431 * params.h: Likewise.
4432 * params.def: Likewise.
4433 * toplev.c: Include params.h.
4434 (lang_independent_params): New variable.
4435 (decode_f_option): Use the param machinery instead of setting
4437 (independent_decode_option): Handle "--param name=value".
4438 (main): Register language-independent parameters.
4440 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4442 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4444 2001-02-14 Richard Henderson <rth@redhat.com>
4446 * regclass.c (init_reg_sets_1): Revert last two changes.
4448 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4450 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4451 (variable_size): Call put_pending_size.
4452 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4453 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4454 sizes list, put newly created SAVE_EXPR there as well.
4456 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4458 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4459 (errata_find_address_regs): load_group has only 2 entries.
4460 (errata_emit_nops): Likewise. shladd is not problematic.
4461 Clear last_group if nop was emitted.
4462 (fixup_errata): load_group has only 2 entries.
4465 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4467 * c-lex.c (lex_number): Only warn traditionally for U suffix
4468 outside system macros.
4469 * cppexp.c (parse_number): Similarly.
4470 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4471 * cppmacro.c (struct cpp_macro): New member node.
4472 (parse_args): Only warn about missing rest args if not
4474 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4475 (cpp_sys_objmacro_p): New.
4476 (_cpp_create_definition): Store the node with the macro defn.
4477 Remember if the macro is defined in a system header.
4479 2001-02-13 DJ Delorie <dj@redhat.com>
4481 * configure.in (check_languages): determine languages to check
4482 * Makefile.in (check-c++): alias for check-g++
4483 (check-f77): alias for check-g77
4484 (CHECK_TARGETS): depend on configured languages
4486 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4488 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4489 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4490 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4491 (sqrtextendsfdf2): Disable for SSE2.
4493 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4495 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4496 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4497 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4498 (sqrtextendsfdf2): Disable for SSE2.
4500 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4502 * i386.md (movsfcc_1): Support integer cmove instruction.
4503 (movdfcc_1): Likewise; new splitter.
4505 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4507 * i386.c (output_fp_compare): Support SSE.
4508 (prepare_fp_compare_args): SSE comparisons always support memory.
4509 * i386.h (TARGET_CMOVE): SSE imply cmove.
4510 * i386.md (cmp?f2): Enable for SSE too.
4511 (cmpfp_i*): Support SSE.
4513 (cmpfp_i_sse_only): New.
4514 (s*, b* fp expanters): Enable for SSE too.
4515 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4518 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4520 * regclass.c (init_reg_sets_1): Silence warning.
4522 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4524 * i386.md (sqrt?f2): Change to expander.
4525 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4527 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4529 * rtlanal.c (find_reg_equal_equiv_note): New function.
4530 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4531 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4532 * rtl.h: Add declarations for above functions.
4534 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4536 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4538 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4539 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4540 * flow.c (mark_regs_live_at_end): Likewise.
4541 (calculate_global_regs_live): Likewise.
4542 * gcse.c (compute_hash_table): Likewise.
4543 (compute_kill_rd): Likewise.
4544 * resource.c (mark_target_live_regs): Likewise.
4545 * rtl.h (INVALID_REGNUM): New macro.
4547 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4549 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4551 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4553 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4556 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4558 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4560 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4561 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4562 (fop_sf_1_sse, fop_df_1_sse): New patterns
4563 (fop_*): Disable float_extend and float patterns for SSE compilation.
4564 * i386.c (output_387_binary_op): Support SSE.
4566 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4568 * i386.md (dummy_extendsfdf2): Support SSE2
4569 (extendsfdf2): Enable if 80387 or SSE2.
4570 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4571 and no MIX_I387_SSE2
4572 (extendsfdf2_1_sse_only): New pattern.
4573 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4575 (truncdfsf2_1): Support SSE.
4576 (truncdfsf2_2): Support SSE.
4577 (truncdfsf2_2_1_sse): New pattern.
4578 (fixtruncsfsi2): Always use SSE if available.
4579 (fix_truncsfsi_sse): New pattern.
4580 (fix_truncdfsi_sse): New pattern.
4581 (floatsis?f2): Support SSE.
4582 (floatsidf2_i387): New pattern.
4583 (floatsidf2_sse): Likewise.
4585 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4587 * configure.in: Use "have_gnat" variable, not "gnat".
4588 * configure: Regenerated.
4590 * config/sparc/sparc.c (function_value): Treat all non-record
4591 aggregate types like used to treat UNION_TYPE.
4593 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4595 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4596 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4598 (MASK_MIX_SSE_I387): New.
4599 (TARGET_SSE): SSE2 imply SSE.
4600 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4601 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4602 (enum reg_class): Add new classes.
4603 (REG_CLASS_NAMES): Likewise.
4604 (REG_CLASS_CONTENTS): Likewise.
4605 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4606 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4607 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4608 (CLASS_MAX_NREGS): Use new macros.
4609 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4610 * i386.md (pushsf, movsf): Support SSE.
4611 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4612 splitters to use ANY_FP_REGNO_P.
4613 (movdf_nointeger, movdf_integer): Likewise.
4615 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4617 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4618 (try_combine): Use it.
4620 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4622 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4623 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4624 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4625 (REGISTER_MOVE_COST): Likewise.
4626 * i386-protos.h (ix86_secondary_memory_needed,
4627 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4628 * i386.c (ix86_secondary_memory_needed,
4629 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4631 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4633 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4634 (HARD_REGNO_MODE_OK): Move offline to ....
4635 * i386.c (ix86_hard_regno_mode_ok) ... here;
4636 refuse all incorrect modes.
4637 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4639 2001-02-13 Richard Henderson <rth@redhat.com>
4641 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4642 entire operator; replicate that and match_dup the operands.
4643 (cmp_ccx_arith_op_set): Likewise.
4644 (cmp_cc_arith_op_not_set): Likewise.
4645 (cmp_ccx_arith_op_not_set): Likewise.
4647 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4649 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4651 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4653 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4654 (TARGET_NO_BITFIELD_WORD): New macro.
4655 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4656 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4658 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4660 * cselib.c: New file, from simplify-rtx.c.
4661 * simplify-rtx.c: Remove cselib parts.
4662 * Makefile.in: Add cselib.o.
4664 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4666 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4667 (setup_incoming_varargs): Remove warning.
4669 * config/rs6000/rs6000.c (validate_condition_mode): When
4670 flag_fast_math, allow floating-point conditionals to be reversed.
4671 (rs6000_generate_compare): When flag_fast_math, don't generate
4672 cror operations for FP conditionals.
4674 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4676 (ASM_SPEC): Likewise.
4677 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4678 (CC1_SPEC): Likewise.
4679 (LINK_TARGET_SPEC): Likewise.
4680 (CPP_ENDIAN_SPEC): Likewise.
4681 * Makefile.in (check-consistency): New target.
4683 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4685 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4686 "return type defaults" warning for functions with return type
4688 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4689 function declarations by default rather than only when pedantic.
4691 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4693 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4696 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4698 * extend.texi (Deprecated): Deprecate new initializer lists.
4700 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4702 * mkdeps.c (deps_add_default_target): Robustify. Add
4703 basename component only.
4704 * cpp.texi (-M): Describe how default target is generated.
4705 * invoke.texi (-M): Likewise.
4707 2001-02-12 Kazu Hirata <kazu@hxi.com>
4709 * toplev.c (push_float_handler): Remove.
4710 (pop_float_handler): Remove.
4711 * toplev.h: Remove prototypes for the above functions.
4713 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4715 * c-common.c (constant_fits_type_p): New function.
4716 (convert_and_check): Use it.
4718 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4720 * Makefile.in (GXX_ABI_FLAG): Don't define.
4721 * configure.in (--enable-new-gxx-abi): Remove option.
4722 * config.in: Regenerated.
4723 * configure: Likewise.
4725 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4727 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4729 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4730 regular basic block, and arrange for all edges into it to switch
4733 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4735 * Makefile.in (distclean): Do not remove .gdbinit.
4737 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4739 * Makefile.in (gcc.o): Fix typos.
4740 (protize.o): Likewise.
4741 (unprotoize.o): Likewise.
4743 2001-02-11 Richard Henderson <rth@redhat.com>
4745 * tree.c (build1): Check for null operand in last change.
4747 2001-02-11 Richard Henderson <rth@redhat.com>
4749 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4750 (fold): Don't assume a constant isn't foldable.
4751 * tree.c (build): Set TREE_CONSTANT for an expression with no
4752 side-effects and constant operands.
4755 2001-02-10 Richard Henderson <rth@redhat.com>
4757 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4759 2001-02-10 Anthony Green <green@redhat.com>
4761 * cpp.texi (Standard Predefined): Add documentation for
4764 * c-common.c (combine_strings): Improve warning message.
4766 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4768 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4770 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4772 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4774 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4777 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4779 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4782 2001-02-09 Nick Clifton <nickc@redhat.com>
4784 * config/arm/arm.md: Change output contraint on post inc
4785 load/store multiple patterns to be a read/write contraint.
4787 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4789 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4790 .o files when using the -M options.
4792 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4793 David Edelsohn <edelsohn@gnu.org>
4795 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4796 handle DImode constants. Use one TOC entry for SImode and smaller
4797 constants, aligned properly.
4799 2001-02-08 Jason Merrill <jason@redhat.com>
4801 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4802 about the SP adjustment for saving the static chain pointer.
4803 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4804 offset when setting a temporary CFA register.
4806 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4808 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4809 powerpc-*-chorusos* .
4810 * config/rs6000/chorus.h : New file.
4811 * config/i386/chorus.h : New file.
4812 * config/sparc/chorus.h : New file.
4813 * config/sparc/t-chorus-elf : New file.
4815 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4817 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4818 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4819 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4820 (__WCHAR_TYPE__): Correct macro name.
4822 2001-02-08 Richard Henderson <rth@redhat.com>
4824 * config/i386/i386.c (ix86_frame_pointer_required): New.
4825 (ix86_setup_frame_addresses): New.
4826 (struct machine_funciton): Add accesses_prev_frame.
4827 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4828 ix86_frame_pointer_required.
4829 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4830 (SETUP_FRAME_ADDRESSES): New.
4831 * config/i386/i386-protos.h: Update.
4832 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4833 from FRAME_POINTER_REQUIRED.
4834 * config/i386/svr3gas.h: Likewise.
4835 * config/i386/sysv3.h: Likewise.
4836 * config/i386/v3gas.h: Likewise.
4838 2001-02-08 Richard Henderson <rth@redhat.com>
4840 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4841 calculation of the number of integer registers required.
4842 (function_arg_record_value): Likewise.
4844 2001-02-08 Jason Merrill <jason@redhat.com>
4846 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4847 two. Print file and line with "confused" message.
4849 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4851 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4853 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4855 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4857 * final.c (cleanup_subreg_operands): The address of a MEM can
4860 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4863 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4865 * gcc.texi (Incompatibilities): Update documentation of
4866 preprocessing numbers.
4868 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4870 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4872 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4874 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4876 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4877 * gcc.c (struct compiler): Add cpp_spec field.
4878 (input_file_compiler): New variable.
4879 (do_spec_1): Allow a particular compiler to handle `%C'
4881 (main): Store the current compiler in input_file_compiler.
4882 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4884 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4886 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4887 * cppinit.c (cpp_create_reader): Initialize them.
4888 (append_include_chain): cxx_aware arg might be unused.
4889 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4890 keywords and give them their phase 7 meaning. Pedwarn about
4891 this unless '__bool_true_false_are_defined' is defined.
4893 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4895 * lcm.c (optimize_mode_switching): Emit mode_set before the
4896 JUMP_INSN of an abnormal edge.
4898 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4900 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4901 a scheduling barrier at the end.
4903 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4905 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4907 * config/sh/sh.md (reload_outsf): Removed.
4908 (movsf_ie): Introduce constraints for FPUL loads and stores.
4909 (reload_insf): Broaden the output constraint.
4911 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4913 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4914 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4916 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4918 * final.c: Revert my previous changes.
4919 * output.h: Make profile_label_no extern.
4920 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4921 for generating label.
4923 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4925 * config/i386/djgpp.h: Add comments about standard paths.
4926 (MD_EXEC_PREFIX): Undefine before defining.
4927 (MD_STARTFILE_PREFIX): New.
4929 2001-01-30 Bruce Korb <bkorb@gnu.org>
4931 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4932 (load_file): do not rely on load_file_data() to close file pointer
4933 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4934 fixinc/inclhack.def(irix_limits_const): add test_text
4936 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4938 * cppexp.c (parse_defined): Improve diagnostics for invalid
4941 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4943 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4945 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4947 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4948 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4949 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4950 (rs6000_output_symbol_ref): New function.
4951 (output_toc): Use VTABLE_NAME_P.
4953 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4955 * print-tree.c (print_node, case PARM_DECL):
4956 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4958 * stor-layout.c (reference_types_internal): New variable.
4959 (internal_reference_types): New function.
4960 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4961 * tree.h (internal_reference_types): New declaration.
4963 * cse.c (find_best_addr): Fix typo in computing cost.
4965 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4967 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4968 and this is the sum of a pointer and a constant, we know the result
4970 (num_sign_bit_copies, case PLUS): Likewise.
4971 * explow.c (convert_memory_address): Remove opposite SUBREG.
4972 * function.c (instantiate_new_reg): New function (from common code).
4973 (instantiate_virtual_regs_1): Call it.
4974 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4975 if pointers sign- or zero-extend.
4976 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4977 If pointers extend unsigned, use inside of SUBREG.
4978 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4980 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4982 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4983 subdir of gcc_gxx_include_dir.
4984 (gcc_gxx_target_include_dir): Remove.
4986 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4988 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4989 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4990 a high-level description.
4992 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4994 * final.c: Move the declaration of profile_label_no to ...
4995 * output.h: ... here.
4996 * function.c (expand_function_start): Call PROFILE_HOOK.
4997 * config/rs6000/aix.h: Define PROFILE_HOOK.
4998 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4999 * config/rs6000/rs6000.c (output_profile_hook): Define.
5000 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5001 output_profile_hook.
5002 tm.texi : Explain new macro PROFILE_HOOK.
5004 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5006 * extend.texi (Extended Asm): Do not say that semicolon is always
5007 a valid line-breaking character for GNU assemblers. Use
5008 newline-tab as the most commonly supported syntax. Use
5009 newline-tab rather than semicolon in multi-insn examples.
5011 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5013 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5015 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5016 David Edelsohn <edelsohn@gnu.org>
5018 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5019 code for AIX, even without flag_pic.
5021 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5023 * c-typeck.c (common_type): push and pop binding level around
5024 calling common_type on function parameters.
5026 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5028 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5030 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5032 * config/mips/mips.c (override_options): Fix typo in last change.
5033 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5034 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5036 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5038 * invoke.texi (-fdump-class-layout): Document.
5039 (-fdump-translation-unit): Use `=' as filename separator.
5041 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5043 * Makefile.in (s-mlib): Don't build multilibs if
5045 (DRIVER_DEFINES): Adjust accordingly.
5047 (protoize.o): Likewise.
5048 (unprotoize.o): Likewise.
5049 * configure.in: Recognize --enable-multilib.
5051 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5053 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5055 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5056 * configure.in: Remove --enable-libstdcxx_v3 support.
5057 * configure: Regenerated.
5059 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5061 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5062 Call abort instead of fatal.
5063 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5064 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5065 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5066 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5067 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5068 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5070 * diagnostic.h (set_internal_error_function): Renamed.
5071 * toplev.h (internal_error): Renamed from fatal.
5072 (pfatal_with_name): Deleted.
5073 (fatal_io_error): Now has printf-style arguments.
5074 * diagnostic.c (pfatal_with_name): Deleted.
5075 (fatal_io_error): Rework to have args in printf-style.
5076 (set_internal_error_function): Renamed from set_fatal_function.
5077 (internal_error): Renamed from fatal.
5078 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5079 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5080 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5081 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5082 * flow.c (verify_flow_info): Likewise.
5083 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5084 * config/mips/mips.c (save_restore_insns): Likewise.
5086 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5087 * flow.c (verify_flow_info): Likewise.
5088 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5089 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5090 (avr_normalize_condition): Likewise.
5091 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5092 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5093 (limit_reload_class, double_reg_to_memory): Likewise.
5094 (print_operand_address, emit_1600_code_shift): Likewise.
5095 (gen_tst_reg, gen_compare_reg): Likewise.
5096 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5097 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5099 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5101 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5102 * objc/objc-act.c (build_ivar_chain): Likewise.
5103 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5105 * graph.c (clean_graph_dump_file): Likewise.
5106 * profile.c (init_branch_prob): Likewise.
5107 * objc/objc-act.c (objc_init): Likewise.
5109 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5110 * config/avr/avr.c (avr_override_options): Likewise.
5111 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5112 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5113 * config/h8300/h8300.c (h8300_init_once): Likewise.
5114 * config/mips/mips.c (override_options): Likewise.
5115 * config/i386/i386.c (override_options): Likewise, rework.
5116 * config/m68k/m68k.c (override_options): Likewise.
5118 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5120 * config/mips/mips.c (print_operand): Likewise.
5121 * hash.c (hash_allocate): Don't check for failure returns from
5122 obstack functions that can't fail.
5123 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5124 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5125 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5126 (get_object_reference): Likewise.
5128 2001-02-04 Nick Clifton <nickc@redhat.com>
5130 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5131 StrongARM1110, 10TDMI, and 1020T.
5133 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5135 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5137 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5139 * config/sh/sh.md (movdf load split): Pass register number to
5140 FP_OR_XD_REGISTER_P.
5142 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5144 * cppinit.c (BC): New macro.
5145 (builtin_array): Add __GXX_WEAK__.
5146 * cpplib.h (builtin_type): Add BT_WEAK.
5147 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5148 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5149 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5151 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5153 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5155 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5157 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5158 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5160 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5162 * cpphash.h: Rename ALIGN _ALIGN.
5163 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5165 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5167 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5168 compilation environment.
5169 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5170 control over location of cygwin includes and libs.
5172 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5174 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5176 2001-02-02 lars brinkhoff <lars@nocrew.org>
5178 * md.texi (Standard Names): remove reference to spur.md.
5180 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5182 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5183 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5184 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5185 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5186 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5188 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5190 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5191 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5192 number before reload.
5193 (c4x_adjust_cost): Return zero before reload.
5194 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5195 split before reload.
5197 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5199 * c4x.c (c4x_hard_regno_rename_ok): New.
5200 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5201 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5203 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5205 * diagnostic.h: Add missing "extern" in all declarations.
5207 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5209 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5210 as for gcc_gxx_include_dir.
5212 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5214 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5216 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5218 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5219 label before alignment to be used as the braf base address.
5220 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5222 (casesi_jump_2): Require at least TARGET_SH2.
5224 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5225 truncation to 32-bit doubles on -m3e and -m4-single-only.
5227 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5229 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5230 the default when building a shared object.
5231 (init_spec): Use it.
5232 * testsuite/lib/g++.exp: Include the directory where libgcc
5233 is located to the LD_LIBRARY_PATH list.
5234 * invoke.texi (-shared-libgcc): Document the cases in which
5235 GCC defaults to using the shared libgcc.
5237 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5239 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5240 unsigned is wide enough.
5242 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5243 (si_to_float): Likewise.
5244 (float_to_si, float_to_usi): Use BITS_PER_SI.
5246 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5248 * dwarf2out.c: Added explanation of abbreviations.
5249 (def_cfa_1): Added comments listing DWARF2 instructions.
5250 (cfa_temp_reg): Removed in favor of cfa_temp.
5251 (cfa_temp_value): Removed in favor of cfa_temp.
5252 (cfa_temp): New global variable.
5253 (dwarf2out_frame_debug_expr): Added extensive introductory
5254 comments explaining the function's transformations. Revised to
5255 use cfa_temp. Added some rtx checking. Generalize IOR case.
5256 (dwarf2out_frame_debug): Revised to use cfa_temp.
5257 (output_aranges): Cast as "unsigned" to avoid warning.
5258 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5259 explain which instructions must be marked.
5261 2001-02-01 Richard Henderson <rth@redhat.com>
5263 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5266 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5268 * config/sh/crt1.asm (main_k): Modified so that start calls
5269 ___setup_argv_and_call_main.
5271 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5273 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5274 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5275 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5276 * cppmacro.c (builtin_macro): Set builtin flags here.
5277 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5278 (replace_args): Clarify intent.
5279 (cpp_get_token): Macro expansion tokens get the saved flags.
5281 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5284 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5286 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5289 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5291 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5292 returns Pmode pseudo, but we need ptr_mode.
5293 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5294 Remove bogus conversions; use HOST_WIDE_INT for size.
5295 Don't use TARGET if wrong mode.
5297 * config/i386/i386.c (ix86_compute_frame_size): Allow
5298 stack_alignment_needed to be non-default even if size is zero.
5300 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5302 * pa.c (hppa_init_pic_save): New function.
5303 * pa.h (hppa_init_pic_save): Declare.
5304 * pa.md (call, call_value, sibcall, sibcall_value): Use
5305 the above instead of duplicated code.
5307 * pa.c (hppa_encode_label): Correct size of alloca buffer
5308 so we don't overrun it. Correct leading `*' case.
5309 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5310 need to handle `*@'.
5311 (FUNCTION_NAME_P): Likewise.
5313 2001-01-31 Richard Henderson <rth@redhat.com>
5315 * config.gcc (alpha-osf5): Use float-i128.h.
5317 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5318 * config/float-i32.h: Likewise.
5319 * config/float-i64.h: Likewise.
5320 * config/float-sh.h: Likewise.
5321 * config/float-sparc.h: Likewise.
5323 2001-01-31 DJ Delorie <dj@redhat.com>
5325 * expmed.c (extract_bit_field): allow non-integral modes if we
5326 want to extract a whole register from itself.
5328 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5330 * c-typeck.c (set_init_index): If first is equal to last, assume as
5331 if it was not a range at all.
5333 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5335 * config/fp-bit.c: Include tm.h.
5336 (float_to_si): Don't assume SImode is 32-bits wide.
5337 (float_to_usi): Likewise.
5339 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5341 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5343 (typename): Call pending_xref_error after parsing typed_typespecs.
5344 * c-decl.c (lookup_tag): Give error immediately rather than
5345 leaving it pending if the tag of the wrong type is in the same
5347 (xref_tag): Don't pedwarn for forward declarations of enum types
5349 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5352 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5354 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5356 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5358 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5359 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5361 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5363 * cpphash.h (struct cpp_reader): New saved_flags.
5364 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5365 to avoid a paste after a pasted token.
5367 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5369 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5370 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5371 Wtype_MIN instead of LONG_MIN.
5373 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5375 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5377 * fixinc/fixincl.x: Regenerated.
5378 * fixinc/inclhack.def (irix_limits_const): New definition to
5379 convert "const" to "__const" in limits.h.
5381 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5383 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5385 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5387 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5388 when register dies in the insn.
5390 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5392 * diagnostic.c (fatal): Fix word wrap.
5394 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5396 * combine.c (try_combine): Fix SUBREG setting for
5397 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5399 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5401 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5404 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5406 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5408 * toplev.c (decode_W_option): Update warn_larger_than
5409 unconditionally for each processed switch.
5411 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5413 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5415 (hppa_expand_prologue): Delete code to save pic offset table register
5416 in the function prologue.
5417 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5418 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5419 table register at the beginning of the function after the prologue.
5421 2001-01-29 lars brinkhoff <lars@nocrew.org>
5423 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5425 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5426 Jeff Law <law@redhat.com>
5428 * pa.md (return): Revise comment for trivial return.
5429 (return_internal): Non-trivial return pattern for non-PIC code.
5430 (return_internal_pic): Non-trivial return pattern for PIC code.
5431 It uses the PIC register to ensure it is restored after
5433 (epilogue): Generate appropriate return for PIC and non-PIC code.
5435 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5437 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5439 2001-01-29 DJ Delorie <dj@redhat.com>
5441 * combine.c (if_then_else_cond): Pass the correct mode to
5442 operand_subword() for constants.
5444 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5446 * config/i386/cygwin.h: Add w32api to include search. Search different
5447 directories in a cross-build environment.
5449 2001-11-29 Tim Josling <tej@melbpc.org.au>
5451 * tree.h (TYPE_STUB_DECL): Add documentation.
5453 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5455 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5456 (sdbout_field_types): Likwise. Fix use of host_integerp.
5458 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5460 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5463 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5465 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5466 to use flag_gnu_linker.
5468 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5470 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5471 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5473 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5475 * tree.c, tree.h (build_parse_node): Remove; was identical to
5477 * c-lang.c (start_cdtor), objc/objc-act.c
5478 (build_module_descriptor): Use build_nt instead of
5481 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5483 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5484 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5485 not have any upper bits set.
5487 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5489 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5491 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5493 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5495 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5497 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5498 (integer_minus_one_node): Define.
5500 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5502 * Makefile.in (bootstrap2-lean): Fix typo.
5504 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5506 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5507 : Don't set fe_value.
5508 * cpplib.h (AVOID_LPASTE): New flag.
5509 (struct cpp_hashnode): Remove fe_value.
5510 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5511 * cppmacro.c (builtin_macro): Don't set flags here.
5512 (replace_args): Set AVOID_LPASTE flag on first token of an
5513 argument, and the token following it.
5514 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5515 macro expansion, and on the token following it. Do it for
5517 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5519 2001-01-27 Richard Henderson <rth@redhat.com>
5521 * config/alpha/t-ieee: Remove multilibbing.
5522 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5524 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5526 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5528 * Makefile.in: Remove all dependencies on defaults.h.
5529 * builtins.c: Don't include defaults.h.
5530 * c-common.c: Likewise.
5531 * c-decl.c: Likewise.
5532 * c-pragma.c: Likewise.
5533 * c-typeck.c: Likewise.
5534 * combine.c: Likewise.
5536 * frame-ia64.c: Likewise.
5537 * cppexp.c: Likewise.
5538 * crtstuff.c: Likewise.
5539 * dbxout.c: Likewise.
5540 * dwarf2out.c: Likewise.
5541 * dwarfout.c: Likewise.
5542 * emit-rtl.c: Likewise.
5543 * except.c: Likewise.
5545 * final.c: Likewise.
5546 * frame-dwarf2.c: Likewise.
5547 * libgcc2.c: Likewise.
5548 * optabs.c: Likewise.
5549 * profile.c: Likewise.
5550 * sdbout.c: Likewise.
5551 * toplev.c: Likewise.
5552 * tradcif.y: Likewise.
5554 * varasm.c: Likewise.
5556 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5558 * builtins.c (expand_builtin_fputs): Use size_one_node when
5559 transforming into fwrite.
5561 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5563 * extend.texi (Attribute Syntax): New section.
5565 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5567 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5568 they didn't need fixing.
5570 2001-01-27 Janis Johnson <janis@us.ibm.com>
5572 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5574 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5575 to remove macro definitions that are duplicated from elfos.h.
5577 2001-01-27 Richard Henderson <rth@redhat.com>
5579 * config/i386/sco5gas.h: Move ...
5580 * config/usegas.h: ... here.
5581 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5583 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5585 * c-typeck.c (struct constructor_stack): Add range_stack member.
5586 (really_start_incremental_init): Clear it.
5587 (push_init_level): Save constructor_range_stack and clear it if
5588 pushing explicit braces.
5589 (pop_init_level): abort if constructor_range_stack is non-zero at
5590 explicit closing brace. Restore saved constructor_range_stack if
5593 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5595 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5596 into register was forced into memory.
5598 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5600 * Makefile.in: Remove uses of + before $(MAKE).
5602 2001-01-26 Richard Henderson <rth@redhat.com>
5604 * stmt.c (cost_table): Remove.
5605 (COST_TABLE, cost_table_initialized): New.
5606 (estimate_case_costs): Use the later instead of the former.
5607 (balance_case_nodes): Likewise.
5609 2001-01-26 Richard Henderson <rth@redhat.com>
5611 * alias.c (objects_must_conflict_p): Read-only slots may not
5612 conflict despite having the same type.
5614 2001-01-27 Michael Hayes <mhayes@redhat.com>
5616 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5618 (check_ext_dependant_givs): Initialise u_start_val and
5620 (load_mems): Make last_max_reg unsigned.
5621 (try_swap_copy_prop): Use INSN_P and initialise set.
5623 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5625 * README.AVR : Removed.
5627 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5629 * pa-64.h (text_section): Remove declaration.
5631 * pa.md (return_internal): Remove mode on PIC register use.
5633 2001-01-25 lars brinkhoff <lars@nocrew.org>
5635 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5636 ASM_CLOSE_PAREN): fix typos.
5638 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5640 * acconfig.h: Define `const' to the empty string if neither
5641 __STDC__ nor __cplusplus is defined.
5642 * config.in: Regenerated.
5644 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5646 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5647 * collect2.c (main): Delete importf. Add ".obj" file extension.
5648 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5649 (aix_std_libs): Add additional AIX libraries to skip.
5650 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5651 * config/rs6000/aix51.h: New file.
5653 2001-01-25 Michael Hayes <mhayes@redhat.com>
5655 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5656 (loop_insn_emit_before): No longer static.
5657 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5658 (loop_givs_rescan, load_mems): Likewise.
5659 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5660 (maybe_eliminate_biv_1):
5661 (move_movables): Replace emit_call_insn_before with
5662 loop_call_insn_hoist.
5663 * loop.h (loop_insn_emit_before): Add.
5664 * unroll.c (copy_loop_body): Replace emit_insn_before with
5665 loop_insn_emit_before.
5667 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5669 * diagnostic.c (fatal): Request preprocessed source.
5671 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5673 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5674 olddecl has argument types and newdecl has none, use the argument
5677 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5679 * dwarf2out.c (prefix_of): New function. Determine longest common
5680 prefix of the two arguments. The units are whole path components.
5681 (output_file_names): When adding a new directory find the one entry
5682 with the longest common prefix already in the list. Artificially
5683 generate entry if there is none for this prefix.
5684 Fix test to check whether the zeroth directory entry is used.
5686 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5688 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5689 Changed all callers. Take it into account when deciding if a
5690 previously loaded value matches.
5692 2001-01-24 Richard Henderson <rth@redhat.com>
5694 * reload.c (find_reloads_subreg_address): Fail the substitution
5695 if the resulting address is insufficiently aligned.
5697 2001-01-24 DJ Delorie <dj@redhat.com>
5699 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5700 check the original operand's mode also.
5701 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5703 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5705 * c-parse.in (cast_expr): Move compound literals from here ...
5706 (primary): ... to here. Use standard terminology "compound
5707 literal" instead of "constructor expression".
5709 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5711 * gcc.1, cpp.1: Regenerate.
5713 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5715 * calls.c (emit_library_call_value_1): Memory slot for
5716 pass-by-reference argument should have the mode of the argument,
5717 not of the pointer to it.
5719 2001-01-24 Tom Tromey <tromey@redhat.com>
5721 * gcc.texi (G++ and GCC): Mention gcj manual.
5722 (Standards): Link to section of manual mentioning gcj/Java
5725 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5727 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5728 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5729 * tradcpp.c (main): Add -imacros or -include'd dependencies
5731 * cpp.texi (-M, -MM): Document -M -include behaviour.
5733 2001-01-24 Roger Collins <roger@ProProject.com>
5735 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5737 2001-01-24 Will Cohen <wcohen@redhat.com>
5739 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5740 whether registers are 32 bits or 64 bits in size.
5742 2001-01-24 Ben Elliston <bje@redhat.com>
5744 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5746 2001-01-24 Richard Henderson <rth@redhat.com>
5748 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5749 (builtin_longjmp): Use it instead of emit_indirect_jump.
5751 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5753 * bb-reorder.c (make_reorder_chain_1): Handle case where
5754 jump edge goes to the same block as the fallthru edge.
5756 2001-01-23 Jim Wilson <wilson@redhat.com>
5758 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5759 * frame.h (__ia64_personality_v1): Add prototype.
5760 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5761 prototype form. Add void * cast to first argument to personality
5763 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5764 (asctoe113): Likewise.
5765 * config/ia64/frame-ia64.c: Include eh-common.h.
5766 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5768 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5770 (itanium_split_issue): Add prototype.
5771 (gen_nop_type): Ifdef out.
5772 (find_best_packet): Initialize best_packet.
5773 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5775 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5776 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5777 (flushrs): Add explicit stop bit at end.
5778 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5781 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5783 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5785 * libgcc2.c (__terminate_func): Make variable static.
5786 (__terminate_set_func): New function to set __terminate_func.
5787 * libgcc2.h (__terminate_func_ptr): New typedef.
5788 (__terminate_set_func): New function.
5790 2001-01-23 Richard Henderson <rth@redhat.com>
5792 * flow.c (init_propagate_block_info): Don't consider unchanging
5793 memories for dead frame store elimination.
5795 2001-01-23 Richard Henderson <rth@redhat.com>
5797 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5798 * defaults.h: ... here.
5800 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5802 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5804 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5806 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5808 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5810 * rs6000.h (rs6000_return_addr): Move prototype from here...
5811 * rs6000-protos.h (rs6000_return_addr): ...to here.
5812 (rs6000_init_expanders): Delete prototype.
5814 2001-01-23 Nick Clifton <nickc@redhat.com>
5816 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5817 (Spec Files): Document %B and %j and %. and %v3 and %M and
5818 %{S*&T} spec switches.
5820 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5822 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5824 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5825 Neil Booth <neil@daikokuya.demon.co.uk>
5827 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5828 Have -Werror make pedantic warnings errors, like the
5831 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5833 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5835 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5837 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5838 * integrate.c (expand_inline_function): Initialize them.
5839 (subst_constants): If changing COMPARE so that both its arguments
5840 will be VOIDmode and the comparison mode will be lost, note
5841 compare_mode. Use the recorded compare_mode to optimize
5844 2001-01-23 Jason Merrill <jason@redhat.com>
5846 * dwarf2out.c (new_die): Use xcalloc.
5847 (output_die): Abort rather than emit a local reference to offset 0.
5849 2001-01-17 Andrew Haley <aph@redhat.com>
5851 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5852 of a saved register; return NULL instead.
5853 (copy_reg): Take a pointer to a source register rather than a
5855 (next_stack_level): Remember the address in the stack frame of all
5857 Use the saved register pointer array as the source of the CFA.
5858 (throw_helper): Rewrite. Unwind once rather than twice and keep
5859 track of saved registers as we go.
5861 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5863 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5864 * c4x.c (c4x_legitimize_reload_address): Remove.
5865 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5866 reload address for ldp(k) insn.
5868 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5870 * pa.md (return_internal): Add a USE of the PIC register to ensure
5871 it is restored after each call.
5872 (return expander): Corresponding changes.
5874 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5876 * rs6000.h (INIT_EXPANDERS): Delete.
5877 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5878 * rs6000.c (rs6000_override_options): Call *_machine_status from
5880 (rs6000_init_expanders): ...instead of here. Delete.
5881 (rs6000_mark_machine_status): New function.
5882 (rs6000_init_machine_status): Use xcalloc.
5883 (rs6000_return_addr): Generate RTX for the return address.
5884 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5885 (rs6000_stack_info): Use it.
5887 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5889 * gthr-win32.h: Include errno.h to get a declaration for
5890 EINVAL and _mingw.h if the target is mingw32.
5892 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5894 * cpp.texi: Correct typos.
5896 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5898 * explow.c (probe_stack_range): Ensure value passed to
5899 stack_check_libfunc is ptr_mode, not Pmode.
5901 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5903 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5904 case, don't use operand_subword to calculate a SUBREG that is
5907 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5909 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5911 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5912 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5913 valid. If not replace it by equivalent insns.
5915 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5917 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5918 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5919 (c4x_U_constraint, symbolic_address_operand): Likewise.
5920 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5922 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5923 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5924 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5925 anulling slot because of silicon bug.
5926 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5928 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5930 * cppexp.c (parse_charconst): Change `mask' type to agree
5933 2001-01-21 Richard Henderson <rth@redhat.com>
5935 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5936 pic_label_name in a linkonce section.
5938 2001-01-17 Philipp Thomas <pthomas@suse.de>
5940 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5942 * configure: Regenerate.
5944 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5946 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5947 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5949 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5951 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5952 If REVERSE nonzero then condition code in X must be reversed.
5953 (encode_section_info): Optimise if/else.
5954 (avr_function_value): Fix formatting.
5956 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5957 (difficult_branch): Likewise.
5958 (rvbranch): Likewise.
5959 (difficult_rvbranch): Likewise.
5961 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5963 * config/avr/libgcc.S: Fix comment.
5965 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5967 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5969 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5971 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5973 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5975 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5976 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5977 * configure, config.in: Regenerate.
5978 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5979 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5980 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5981 (doprint.o): New rule.
5983 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5985 * c-typeck.c (digest_init): Handle boolean types as scalars.
5987 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5989 * stmt.c (expand_return): Don't return anything if size is zero.
5990 Delete redundant assignment to BYTES.
5991 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5993 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5995 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5996 the same as the default library function names.
5997 * config/avr/avr.md: Document special characters after '%'.
5998 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5999 knowing which of the call-used registers are really clobbered.
6000 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6001 New. Both quotient and remainder from one libgcc.S call.
6002 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6003 clobber as few registers as possible.
6004 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6006 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6008 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6009 context of the top of the stack.
6011 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6013 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6014 (fixup_var_refs_insns): ...here.
6016 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6018 * function.c (fixup_var_refs_insns): Break up into
6019 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6020 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6021 [loop over hash table entries].
6022 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6023 fixup_var_refs_insns_with_hash, to match above changes.
6025 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6027 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6028 (libgcc.a): Likewise.
6029 (stmp-multilib): Likewise.
6030 (STAGE2_FLAGS_TO_PASS): Likewise.
6032 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6034 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6035 temporary if no_new_pseudos.
6037 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6039 * cppinternals.texi: Update.
6041 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6043 * arm.c (arm_init_builtins): Re-enable builtins.
6045 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6047 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6048 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6049 element to be null, and always expect an EXPR_LIST.
6050 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6051 * sched-deps.c (sched_analyze_1): Likewise.
6052 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6054 * regclass.c (max_set_parallel): New variable.
6055 (reg_scan): Take it into account in computation of max_parallel.
6056 (reg_scan_mark_refs, case SET): Compute it.
6058 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6060 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6061 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6063 2001-01-19 Jason Merrill <jason@redhat.com>
6065 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6066 for the abstract instance of an inline function.
6068 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6069 J"orn Rennecke <amylaar@redhat.com>
6071 * reload1.c (move2add_note_store): Treat all registers directly or
6072 indirectly derived from a base register as members of the same set
6074 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6075 of base register into account.
6077 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6079 * alias.c (find_base_value): Recognize TRUNCATE.
6080 (record_set): In PLUS case, invalidate if other summand is also a
6083 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6085 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6086 entry to be EXPR_LIST.
6087 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6088 be an EXPR_LIST (but not null, which other code doesn't allow).
6089 (note_stores): Properly handle PARALLEL in SET.
6090 Recursively call for top-level PARALLEL.
6091 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6092 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6094 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6096 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6098 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6099 not pfile->skipping (== 0).
6101 2001-01-17 Nick Clifton <nickc@redhat.com>
6103 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6106 2001-01-17 Jim Wilson <wilson@redhat.com>
6108 * invoke.texi (IA-64 options): Improve.
6110 2001-01-17 Tom Tromey <tromey@redhat.com>
6112 * invoke.texi (Optimize Options): Use `{}' to around @samp
6115 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6117 * invoke.texi (-fno-guess-branch-probability): New option.
6119 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6121 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6122 case of making new double-word constant.
6123 Revert last change: instead just test i3_subst_into_i2.
6125 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6127 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6128 Use q constraints instead of r.
6130 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6132 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6133 (machine_function): Define.
6134 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6135 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6136 pa_free_machine_status): New functions.
6137 (override_options): Set {init,mark,free}_machine_status to above.
6138 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6139 PIC_OFFSET_TABLE_REGNUM_SAVED.
6140 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6141 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6142 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6143 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6144 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6146 2001-01-15 DJ Delorie <dj@redhat.com>
6148 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6152 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6154 * flow.c (propagate_on_insn): Make trying to delete a prologue
6155 or epilogue insn an ICE, not a warning. Allow doing this if
6156 the current function returns with stack pointer depressed.
6158 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6159 I3 having more than one SET.
6161 2001-01-16 Jim Wilson <wilson@redhat.com>
6163 * invoke.texi: Document IA-64 options.
6165 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6166 (fixup_errata): Delete TARGET_A_STEP use.
6167 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6168 (TARGET_SWITCHES): Delete -ma-step option.
6169 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6170 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6171 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6172 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6173 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6174 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6176 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6177 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6178 cmovsi_internal): Delete ! TARGET_A_STEP check.
6180 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6182 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6183 possibility to report bugs via postal mail. Change a URL and
6184 merge in a nearly duplicate statement...
6185 (Bug Reporting): ...from here.
6186 (Service): Refer to the Bug Reporting section instead of
6188 (Contributing): Remove trivial explanations concerning snapshots.
6190 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6192 * cppmain.c (general_init): Don't use ANSI prototype.
6194 2001-01-16 Tom Tromey <tromey@redhat.com>
6196 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6198 2001-01-16 Richard Henderson <rth@redhat.com>
6200 * config/i386/i386.h: Fix comment typo.
6201 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6202 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6204 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6206 * gcc.c: Revert previous -fsyntax-only-related change; move
6209 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6211 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6212 inmode after checking GET_CODE (op).
6214 2001-01-16 Richard Henderson <rth@redhat.com>
6216 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6217 (MAX_MEM_SET_LIST_LEN): New.
6218 (propagate_one_insn): Update mem_set_list_len.
6219 (invalidate_mems_from_autoinc): Likewise.
6220 (invalidate_mems_from_set): Likewise.
6221 (mark_used_regs): Likewise.
6222 (init_propagate_block_info): Likewise. Stop collecting memories
6223 when we reach MAX_MEM_SET_LIST_LEN.
6224 (mark_set_1): Likewise.
6226 2001-01-16 Richard Henderson <rth@redhat.com>
6228 * unroll.c (precondition_loop_p): Fail if no iteration
6231 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6233 * gcc.c: When -fsyntax-only is given, do not complain about
6236 2001-01-15 Richard Henderson <rth@redhat.com>
6238 * config/i386/i386.c (asm_output_function_prefix): Remove.
6239 (ix86_asm_file_end): New.
6240 (load_pic_register): Generate pic_label_name into a
6241 staticly allocated buffer.
6242 * config/i386/i386-protos.h: Update.
6243 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6244 (ASM_FILE_END): New.
6245 * config/i386/i386afe.h: New file.
6246 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6247 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6248 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6249 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6250 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6251 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6252 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6254 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6256 * Makefile.in (install-man): Remove explicit dependency on
6259 * configure.in, configure: Revert previous patch requiring perl
6262 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6264 * toplev.c (flag_guess_branch_prob): New.
6265 (f_options): Add guess-branch-probability option.
6266 (rest_of_decl_compilation): Only estimate branch probability if
6268 (main): set flag_guess_branch_prob.
6270 * flags.h (flag_guess_branch_prob): New.
6272 2001-01-15 DJ Delorie <dj@redhat.com>
6274 * gcc.texi (Makefile): Add documentation for Makefile targets.
6276 2001-01-15 Philip Blundell <philb@gnu.org>
6278 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6280 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6281 (is_pic): Delete declaration.
6282 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6283 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6284 * config/arm/arm.md (builtin_setjmp_receiver): New.
6286 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6288 * arm.c (use_return_insn): Don't try to determine the function type
6289 until after reload has completed.
6290 (arm_output_epilogue): Don't adjust the sp value recovered from the
6292 (emit_multi_reg_push): Don't record dwarf information for the pc.
6293 * arm.md (eh_epilogue): The function type may have changed, so it
6294 needs to be recalculated.
6295 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6296 unwind tables on arm/netbsd.
6298 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6300 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6301 (negated_cbranchsi4): Likewise.
6303 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6305 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6306 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6307 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6308 pass -mapcs-* options to assembler.
6309 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6310 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6311 (ASM_SPEC): Call subtarget_extra_asm_spec.
6313 2001-01-15 Andreas Jaeger <aj@suse.de>
6315 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6317 (ix86_expand_builtin): Likewise.
6319 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6320 warning about comparison between signed and unsigned.
6322 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6324 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6326 2001-01-14 Ralf Baechle <ralf@gnu.org>
6328 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6329 SUBTARGET_CPP_SPEC apropriatly.
6331 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6333 * varasm.c (make_decl_rtl): Fix typo in last change.
6335 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6337 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6338 linker supports the init_priority C++ attribute.
6339 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6340 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6341 linker does not support init_priority C++ attribute.
6343 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6345 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6347 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6349 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6350 * cp/lex.c (finish_parse): Similarly.
6351 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6352 Return the number of errors encountered.
6353 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6354 * cppmain.c (main): Don't call cpp_destroy.
6356 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6358 * configure.in: Require at least perl 5.6.0 to regenerate
6360 * configure: Regenerate.
6362 2001-01-14 Richard Henderson <rth@redhat.com>
6364 * genrecog.c (DT_veclen_ge): New.
6365 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6366 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6367 (nodes_identical_1): Handle DT_veclen_ge.
6368 (write_cond, debug_decision_2): Likewise.
6370 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6372 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6374 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6376 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6378 * cppmain.c (do_preprocessing): New function; most of the old
6380 (main): Call it to do most of the work.
6381 (cb): Move from global scope to set_callbacks ().
6382 (setup_callbacks): Get the callback pointer.
6383 (general_init, printer_init): Clean up code and comments.
6385 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6387 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6390 2001-01-14 Kazu Hirata <kazu@hxi.com>
6392 * config/h8300/h8300.c (get_shift_alg): Update comments.
6394 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6396 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6397 (alloc_page, ggc_alloc): Add casts to remove warnings.
6399 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6401 * combine.c (simplify_comparison): Don't change `code' when
6402 can't reverse comparison.
6404 2001-01-14 Richard Henderson <rth@redhat.com>
6406 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6407 update all call sites. Return true for all non-label constants.
6409 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6411 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6413 (ix86_expand_branch): Update.
6414 (ix86_expand_setcc): Update to handle multiple test conditions.
6415 (expand_int_movcc): Likewise.
6416 (expand_fp_movcc): Likewise.
6417 * i386-protos.h (ix86_expand_compare): New.
6418 * i386.md (andqi_?_slp, orqi_?_slp): New.
6419 (conditional trap expander): Update call to ix86_expand_compare.
6421 2001-01-14 Richard Henderson <rth@redhat.com>
6423 * config/vax/vax.md: Use nonimmediate_operand instead of
6424 general_operand in destinations.
6426 * config/vax/vax.md (indirect_jump): Use register_operand.
6428 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6429 * config/vax/vax.md (call_pop): Turn into an expander.
6430 (call_value_pop): Likewise.
6431 (call, call_value): New.
6433 2001-01-14 Andreas Jaeger <aj@suse.de>
6435 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6437 (ix86_fp_compare_mode): Add unused attribute.
6438 (ix86_expand_fp_movcc): Remove unused variable.
6439 (ix86_expand_builtin): Make fcode unsigned.
6441 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6442 (expand_expr): Add cast to avoid signed warning.
6443 (store_field): Likewise.
6444 (store_constructor_field): Likewise.
6445 (store_constructor): Likewise.
6446 (store_expr): Likewise.
6447 (clear_storage): Likewise.
6448 (emit_group_store): Likewise.
6449 (emit_group_load): Likewise.
6451 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6453 * c-common.c: Move format checking code to ...
6454 * c-format.c: ... here. New file. Reorder some functions and
6456 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6458 * c-common.h (decl_handle_format_attribute,
6459 decl_handle_format_arg_attribute): Declare.
6460 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6461 (c-common.o): Adjust dependencies.
6462 (c-format.o): New list of dependencies.
6464 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6466 * unroll.c (loop_iterations): If we cannot prove iteration variable
6467 is set once in each iteration, punt.
6469 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6471 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6472 (*strlenhi): Remove clobber (which was buggy) of output address.
6474 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6476 * Makefile.in (generated-manpages): Add gcc.1
6477 ($(srcdir)/gcc.1): New target.
6478 (maintainer-clean): Delete $(srcdir)/gcc.1.
6479 * gcc.texi: Add macros @gccoptlist and @gol.
6480 * invoke.texi: Include option summary in manpage. Mark up option
6481 summary with @gccoptlist and @gol. Use @r in one place where
6483 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6484 * gcc.1: Generate from invoke.texi.
6486 2001-01-13 Richard Henderson <rth@redhat.com>
6488 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6489 (struct page_entry): Add group member.
6490 (struct page_group): New.
6491 (struct globals): Add page_groups member.
6492 (alloc_anon): Only define for using mmap; remove valloc call.
6493 (page_group_index): New.
6494 (set_page_group_in_use): New.
6495 (clear_page_group_in_use): New.
6496 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6497 (free_page, release_pages): Likewise.
6498 * configure.in (with-gc): Default to ggc-page always.
6500 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6502 * reload1.c (replace_pseudos_in_call_usage): Use
6503 reg_equiv_constant and reg_equiv_address, and don't try
6504 regno_reg_rtx first.
6506 2001-01-13 Richard Henderson <rth@redhat.com>
6508 * ggc-page.c (alloc_page): Round up allocation size to one page.
6509 Set e->order on extra pages.
6511 2001-01-13 Richard Henderson <rth@redhat.com>
6513 * genrecog.c (nodes_identical): Expand commentary.
6514 (write_switch): Watch out for identical nodes.
6516 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6518 * cppfiles.c (_cpp_fake_include): New function.
6519 * cpphash.h (_cpp_fake_include): New.
6520 * cpplib.c (do_line): Call _cpp_fake_include when entering
6521 header files in preprocessed input.
6522 * cppmain.c (cb_pragma_implementation): Remove handling.
6523 (setup_callbacks): Don't register pragmas.
6525 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6527 * extend.texi: Udate for CPP.
6529 2001-01-13 Andreas Jaeger <aj@suse.de>
6531 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6533 * regmove.c: Add prototype for replace_in_call_usage.
6535 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6537 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6538 struct cpp_chunk, struct htab, struct toklist,
6539 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6540 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6541 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6542 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6543 (struct macro_args): Delete.
6544 * cpphash.h: See above.
6546 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6548 * cppmain.c (struct printer): Remove no_line_dirs.
6550 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6551 : Use options rather than CPP_OPTION.
6552 (setup_callbacks): Use cb rather than pfile->cb.
6553 (main): No need to check for a buffer. Use cpp_errors.
6554 (printer_init): Don't set no_line_dirs.
6555 (maybe_print_line): Use options not no_line_dirs.
6556 (cb_file_change): Don't call print_line if -P.
6558 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6560 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6562 * c-parse.in (finish_parse): Use cpp_errors.
6563 (__yylex): Use return value of cpp_pop_buffer.
6564 * cp/lex.c (finish_parse): Use cpp_errors.
6565 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6567 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6569 * README.AVR: URLs corrected.
6571 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6573 * c-decl.c (start_function): Don't warn if old prototype is builtin
6574 that's not in C's namespace.
6575 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6576 (_bb): Add prototype for ctime.
6577 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6579 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6581 * i386.c (ix86_fp_comparison_arithmetics_cost,
6582 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6583 ix86_fp_comparison_cost): New functions.
6584 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6585 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6586 two-branch sequences; make static.
6587 (ix86_use_fcomi_compare): Do decision according to the costs.
6588 (split_fp_branch): New.
6589 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6590 * i386-protos.h (ix86_expand_fp_compare): Remove
6591 (ix86_split_fp_branch): Declare.
6593 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6594 and ix86_comparison_operator.
6596 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6599 * i386.c (put_condition_code): Output properly the unordered/ordered
6600 compares in fp case.
6601 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6603 * tm.texi (REVERSE_CONDITION): Document.
6604 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6605 in -ffast-math mode.
6606 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6608 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6610 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6612 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6615 * config/sh/sh.c (mova_p): Fix test for mova_const.
6617 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6619 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6620 cpp_get_options rather than dereferencing pfile and using
6622 * scan-decls.c (scan_decls): Use return value of
6623 cpp_pop_buffer rather than CPP_BUFFER.
6625 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6627 * cppinit.c (cpp_handle_option): help_only is now part of the
6628 cpp_options structure.
6629 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6630 cpp_set_callbacks): New functions.
6631 * cpplib.h (cpp_callbacks): Break out as a named structure.
6632 (cpp_options): Move help_only here from cpp_reader.
6633 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6634 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6635 cpp_set_callbacks): New prototypes.
6636 * cppmain.c (main): Update for help_only.
6638 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6640 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6641 Also build and remove and install and uninstall c-tree.info and
6643 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6644 ($(srcdir)/cppinternals.info): New target.
6645 * c-tree.texi: Change file name used when makeinfo used without -o
6646 from ir.info to c-tree.info. Add info directory entry.
6647 * cppinternals.texi: Add info directory entry.
6648 * .cvsignore: Update.
6650 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6652 * c-typeck.c (store_init_value): Don't require constant initializer
6653 elements with -pedantic -std=c99.
6654 (digest_init): Change error about non-constant initializer elements
6656 (constructor_range_end): Remove.
6657 (constructor_incremental, designator_depth,
6658 designator_errorneous): New variables.
6659 (struct constructor_stack): Remove range_end, add incremental.
6660 (struct constructor_range_stack, constructor_range_stack): New.
6661 (struct initializer_stack): Add constructor_range_stack.
6662 (finish_init): Set it.
6663 (start_init): Likewise. require_constant_elements for non-static
6664 trees only if not flag_isoc99.
6665 (really_start_incremental_init): Remove constructor_range_end, add
6666 constructor_incremental.
6667 (pop_init_level): Likewise.
6668 (push_init_level): Likewise. If implicit and the subobject had some
6669 value set already, preinitialize the level with it.
6670 Warn about missing braces only if not pushing due to designators.
6671 (set_designator, push_range_stack): New functions.
6672 (set_init_label): Use them.
6673 (set_init_index): Likewise. Remove constructor_range_end.
6674 Error if designator index is outside of array bounds.
6675 (add_pending_init): Compare values of purpose index trees, not the
6676 trees themselves. Allow overwriting of already initialized element.
6677 Issue a warning if it had side-effects.
6678 (set_nonincremental_init, set_nonincremental_init_from_string): New
6680 (pending_init_member): Rename to...
6681 (find_init_member): ...this function. Call set_nonincremental_init
6682 if necessary. Compare values of purpose index trees, not the trees
6683 themselves. Return the actual value, not just non-zero if something
6685 (output_init_element): Remove checks for duplicates.
6686 If field has zero size, only check the initializer for correctness.
6687 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6688 if constructor_incremental is zero. Change error about initializers
6689 not computable at load time into pedwarn.
6690 (output_pending_init_elements): Compare bit positions, not
6691 FIELD_DECLs to take into account zero-sized fields.
6692 (process_init_element): Use constructor_range_stack to fill all
6693 ranges in the designator lists from current level up.
6694 * extend.texi: Update documentation for labeled elements.
6696 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6698 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6699 to function usage for arguments passed by reference. Optimize
6700 callee-copied arguments.
6701 * regmove.c (replace_in_call_usage): New function.
6702 (fixup_match_1): Call it.
6703 * cse.c (cse_insn): Canonicalize registers in function usage.
6704 * reload1.c (replace_pseudos_in_call_usage): New function.
6707 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6710 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6712 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6715 2001-01-12 DJ Delorie <dj@redhat.com>
6717 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6718 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6721 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6723 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6724 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6725 -std options alongside references to -ansi. Update some
6726 documentation for C99.
6727 * cpp.1: Regenerate.
6729 2001-01-12 Andreas Jaeger <aj@suse.de>
6731 * haifa-sched.c (restore_line_notes): Remove argument block B
6733 * sched-ebb.c (schedule_ebb): Change caller.
6734 * sched-rgn.c (schedule_region): Likewise.
6735 * sched-int.h (restore_line_notes): Adjust prototype.
6737 * loop.h: Remove wrong declaration of doloop_condition_get.
6739 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6741 * extend.texi: Move C++-extension-related node from the C section
6742 into the C++ section.
6744 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6746 * extend.texi: Refer to an array of pointers to functions instead
6747 of one of functions.
6749 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6750 Jan Hubicka <jh@suse.cz>
6752 * combine.c (reversed_comparison): Fix typo in last patch.
6754 (combine_reversed_comparison_code): Make static to follow
6755 prototype declaration.
6757 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6759 * install.texi: Remove misplaced duplicate entry.
6761 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6763 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6765 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6767 * final.c: (leaf_function_p): Fix typo.
6769 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6771 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6772 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6774 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6775 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6776 mmap_anon, and valloc is available.
6777 * ggc-page.c: Restructure ifdef logic to match new autoconf
6778 spec. Don't throw away the test page in init_ggc.
6780 * configure, config.in: Regenerate.
6782 2001-01-12 Michael Hayes <mhayes@redhat.com>
6784 * loop.h (total_biv_increment): Constify iv_class pointer.
6785 (struct induction): Replace `mem_mode' with `mem' rtx.
6786 * unroll.c (total_biv_increment): Constify iv_class pointer.
6787 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6788 (find_mem_givs, combine_givs_p): Likewise.
6789 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6791 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6793 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6795 (__gthread_getspecific): Ditto.
6797 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6799 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6800 put_condition_code): Convert fp comparison codes to integer
6802 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6805 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6806 * i386-protos.h (no_comparison_operator): Kill.
6808 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6810 * combine.c (REVERSIBLE_CC_MODE): Remove.
6811 (reversible_comparison_p): Remove.
6812 (combine_reversed_comparison_code): New.
6813 (reversed_comparison): New.
6814 (combine_simplify_rtx): Use
6815 combine_reversed_comparison_code/reversed_comparison instead
6816 of reversible_comparison_p.
6817 (simplify_if_then_else): Likewise.
6818 (simplify_set): Likewise.
6819 (simplify_logical): Likewise.
6820 (if_then_else_cond): Likewise.
6821 (known_cond): Likewise.
6822 (simplify_comparison): Likewise.
6824 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6826 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6827 sizeof (int) is larger than sizeof(__word__).
6829 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6831 * cppinit.c (do_includes): Fix typo.
6833 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6835 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6836 in S_REGS does not occur because not all sources are possible
6837 when a S_REGS is a destination (sometimes needs a clobber).
6838 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6839 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6840 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6841 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6842 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6843 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6844 (lshrdi_const1, lshrsi3_const16): Likewise.
6845 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6846 (*movhi_68hc12, *movqi_68hc12): Likewise.
6847 (movstrictqi): Make sure reloading in D_REGS as a destination
6850 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6852 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6854 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6856 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6857 -D, -U and -A, and don't initialize the builtins.
6858 (do_includes): Error if -include or -imacros with -fpreprocessed.
6859 * cppmain.c (cb_define, cb_undef): Unconditionally process
6861 * tradcpp.c (main): Fix typo.
6863 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6865 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6866 (read_name_map): Use IS_ABSOLUTE_PATH.
6867 * tradcpp.c (get_filename): Likewise.
6869 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6871 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6872 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6873 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6874 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6875 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6876 (cmphi_z_used): Don't use '@' for the output.
6877 (tstqi_z_used): Likewise.
6878 (cmpqi_z_used): Likewise.
6879 (one_cmplsi2): Likewise.
6881 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6883 * config/sh/sh.c (barrier_align): Recognize branch around far
6884 branch and redundant insn.
6886 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6888 * invoke.texi: Restore documentation of the drivers' switches -MD
6891 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6893 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6895 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6896 check-objc//%): Support parallel testing of multilibs.
6897 (TESTSUITEDIR): Set to testsuite by default, but override for
6899 (check-gcc, check-g++, check-g77, check-objc): Enter
6902 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6904 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6905 * sched-deps.c (deps_may_trap_p): Likewise.
6906 * basic-block.h: Remove a comment.
6907 * flow.c (PROP_POSTRELOAD): Remove.
6908 (update_life_info): Don't add it to prop_flags.
6909 (mark_set_1): Lose the code that was enabled by it.
6911 2001-01-11 Michael Hayes <mhayes@redhat.com>
6913 * flow.c (flow_call_edges_add): New.
6914 * basic_block.h (flow_call_edges_add): New.
6916 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6918 * reload1.c (move2add_note_store): Update reg_set_luid even if
6919 base reg remains the same.
6921 2001-01-10 Nick Clifton <nickc@redhat.com>
6923 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6924 machine_function structure to zero.
6925 Add prototypes for machine_status functions.
6927 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6929 * c-common.h (CTI_VOID_LIST): Remove.
6930 (void_list_node): Likewise.
6931 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6932 (void_list_node): New macro.
6933 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6934 * config/i386/i386.c (ix86_init_builtins): Likewise.
6935 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6937 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6939 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6940 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6942 * tradcpp.c: Include mkdeps.h.
6943 (deps, print_deps_phony_targets, deps_append, output_deps,
6944 init_dependency_output, output_deps): New.
6945 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6946 deps_output): Delete.
6947 (print_deps_missing_files): Rename deps_missing_files.
6948 (inhibit_output): Make global.
6949 (main): Delete inhibit_output, deps_stream, deps_target.
6950 Use mkdeps functionality in the same way as cpplib. Remove
6951 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6952 -M and -MM. Remove old handling of deps via deps_out, and
6953 old reading of environment variables.
6954 (get_filename): Update to use deps_add_dep.
6956 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6958 * output.h (make_function_rtl): Remove prototype.
6959 (make_decl_rtl): Likewise.
6960 * varasm.c (make_function_rtl): Remove.
6961 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6962 than from a third parameter.
6963 * tree.h (make_decl_rtl): Remove last parameter.
6964 * c-decl.c (builtin_function): Remove last argument in call to
6965 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6966 (start_function): Likewise.
6967 * except.c (call_get_eh_context): Likewise.
6968 * expr.c (emit_block_move): Likewise.
6969 (clear_storage): Likewise.
6970 * profile.c (output_func_start_profiler): Likewise.
6971 * toplev.c (rest_of_decl_compilation): Likewise.
6972 * objc/objc-act.c (create_builtin_decl): Likewise.
6973 (synth_module_prologue): Likewise.
6974 (generate_static_reference): Likewise.
6975 (build_selector_reference_decl): Likewise.
6976 (build_class_reference_decl): Likewise.
6977 (build_objc_string_decl): Likewise.
6978 (build_protocol_reference): Likewise.
6980 2001-01-10 Richard Henderson <rth@redhat.com>
6982 * hwint.h: Revert yesterday's change.
6984 2001-01-10 Nick Clifton <nickc@redhat.com>
6986 * function.h (save_machine_status): Delete.
6987 (restore_machine_status): Delete.
6988 Amend comment describing {init|mark|free}_machine_status.
6990 * function.c (save_machine_status): Delete.
6991 (restore_machine_status): Delete.
6992 Amend comment describing {init|mark|free}_machine_status.
6993 (push_function_context_to): Remove invocation of
6994 save_machine_status.
6995 (pop_function_context_from): Remove invocation of
6996 restore_machine_status.
6998 * emit-rtl.c (init_emit_once): Amend comment describing
6999 {init|mark|free}_machine_status.
7001 * tm.texi (Per-Function Data): New node. Describe the
7002 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7005 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7007 * cppinit.c (OPT_g): Remove.
7008 (cpp_handle_option): Update for removed -g3.
7009 (print_help): Update.
7010 * cpplib.h (struct cpp_options): Remove debug_output.
7011 * cppmain.c (setup_callbacks, cb_define): Update.
7012 * gcc.c (cpp_options): Translate -g3 to -dD.
7014 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7016 * config/i960/i960.md: Change modifier to + on the zero_extract
7017 pattern after the (rotate -2 reg) canonicalization pattern.
7019 2001-01-10 Richard Henderson <rth@redhat.com>
7021 * config/alpha/alpha.c (alpha_free_machine_status): New.
7022 (override_options): Install it.
7023 (alpha_mark_machine_status): Verify machine non-null.
7024 * config/i386/i386.c (ix86_free_machine_status): New.
7025 (override_options): Install it.
7026 (ix86_init_machine_status): Use xcalloc.
7027 (ix86_mark_machine_status): Verify machine non-null.
7028 * config/ia64/ia64.c (ia64_free_machine_status): New.
7029 (ia64_override_options): Install it.
7030 (ia64_mark_machine_status): Verify machine non-null.
7032 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7034 * function.c (instantiate_virtual_regs): Instantiate virtual
7035 registers found in CALL_INSN_FUNCTION_USAGE.
7037 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7039 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7040 equivalent to -ansi in disabling -Di386.
7042 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7044 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7046 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7048 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7050 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7052 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7054 * invoke.texi: Document that -fcond-mismatch isn't supported for
7057 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7059 * gcc.texi: Define macro gcctabopt.
7060 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7061 @command, @env and @option in some places where appropriate. Use
7062 @gcctabopt where appropriate. Put URLs and email addresses inside
7065 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7067 * gcc.c (cpp_options): Set MD file name from output
7068 filename, if specified.
7069 (suffix_subst): New static variable.
7070 (do_spec): Clear it.
7071 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7073 (give_switch): Handle suffix_subst.
7075 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7077 * invoke.texi: Fix another typo.
7079 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7081 * invoke.texi: Fix typo.
7083 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7085 * c-lang.c (lang_hooks): Update.
7086 (lang_decode_option): Remove.
7087 (lang_init_options): Rename c_init_options.
7088 * toplev.c (main): Use lang_hooks for lang_init_options
7089 and lang_decode_option.
7090 * toplev.h (lang_hooks): Add 2 new hooks.
7091 * tree.h: Remove lang_init_options and lang_decode_option.
7092 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7093 * cp/decl2.c: Similarly.
7094 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7095 (lang_hooks): Update.
7096 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7098 (lang_init_options): Rename ffe_init_options.
7099 (lang_hooks): Update.
7100 (lang_decode_option): Remove.
7101 * java/lang.c (lang_init_options): Rename java_init_options.
7102 (lang_decode_option): Rename java_decode_option.
7103 (lang_hooks): Update.
7104 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7105 (lang_decode_option): Rename objc_decode_option.
7106 (lang_hooks): Update.
7108 2001-01-09 Nick Clifton <nickc@redhat.com>
7110 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7111 (d30v_return_addr_rtx): Delete.
7112 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7113 cfun->machine structure.
7114 (struct machine_function): Move to d30v.h
7115 (d30v_save_machine_status): Delete.
7116 (d30v_restore_machine_status): Delete.
7117 (d30v_init_machine_status): New Function.
7118 (d30v_mark_machine_status): New Function.
7119 (d30v_free_machine_status): New Function.
7120 (d30v_init_expanders): Use new functions.
7121 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7122 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7123 d30v_return_addr_rtx.
7125 * config/d30v/d30v.h (struct_machine): Move here.
7126 Add eh_epilogue_sp_ofs field.
7128 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7129 field in cfun->machine structure.
7131 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7133 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7134 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7135 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7137 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7139 * objc/lang-options.h: Remove bogus reference to
7142 2001-01-09 Kazu Hirata <kazu@hxi.com>
7144 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7147 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7149 * reload.c (find_reloads_address): Check for eliminable registers
7150 when substituting a constant expression for a pseudo.
7152 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7154 * c-common.c (enum format_type): Add format_type_error.
7155 (decode_format_type): New function.
7156 (decl_attributes): Use it.
7157 (format_kind_info): Adjust comment.
7159 2001-01-09 David O'Brien <obrien@BSDi.com>
7161 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7162 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7164 * config/i386/gnu.h: Don't include required platform specific .h files,
7165 tm.h will do it instead.
7166 * config/i386/i386elf.h: Likewise.
7167 * config/i386/linux.h: Likewise.
7168 * config/i386/moss.h: Likewise.
7169 * config/mips/gnu.h: Likewise.
7171 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7173 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7174 (rs6000-ibm-aix3.[01]*): Likewise.
7175 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7176 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7177 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7178 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7179 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7180 (powerpc-*-eabiaix*): Likewise.
7181 (powerpc-*-eabisim*): Likewise.
7182 (powerpc-*-elf*): Likewise.
7183 (powerpc-*-eabi*): Likewise.
7184 (powerpc-*-rtems*): Likewise.
7185 (powerpc-*-linux*libc1): Likewise.
7186 (powerpc-*-linux*): Likewise.
7187 (powerpc-wrs-vxworks*): Likewise.
7188 (powerpcle-wrs-vxworks*): Likewise.
7189 (powerpcle-*-sysv*): Likewise.
7190 (powerpcle-*-elf*): Likewise.
7191 (powerpcle-*-eabisim*): Likewise.
7192 (powerpcle-*-eabi*): Likewise.
7193 (powerpcle-*-solaris2*): Likewise.
7194 * config/rs6000/aix31.h: Delete includes.
7195 * config/rs6000/aix3newas.h: Likewise.
7196 * config/rs6000/aix41.h: Likewise.
7197 * config/rs6000/aix43.h: Likewise.
7198 * config/rs6000/beos.h: Likewise.
7199 * config/rs6000/rtems.h: Likewise.
7200 * config/rs6000/sysv4.h: Likewise.
7202 2001-01-09 Kazu Hirata <kazu@hxi.com>
7204 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7205 Change an argument mode of machine_mode to shift_mode of
7206 shift_mode. Remove an extra error check.
7207 (emit_a_shift): Adopt to the new calling prototype of
7209 (function_prologue): Fix code for a monitor
7210 function. Support H8/S.
7211 (function_epilogue): Do not output pop for a monitor function.
7213 2001-01-09 Nick Clifton <nickc@redhat.com>
7215 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7216 (setup_incoming_varargs): Use sysv_varargs_p field of the
7217 cfun->machine structure.
7218 (struct machine_function): Move to rs6000.h
7219 (rs6000_save_machine_status): Delete.
7220 (rs6000_restore_machine_status): Delete.
7221 (rs6000_init_machine_status): New Function.
7222 (rs6000_free_machine_status): New Function.
7223 (rs6000_init_expanders): Use new functions.
7225 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7227 (struct machine_function): Move here.
7229 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7230 sysv_varargs_p field of the cfun->machine structure.
7232 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7234 (rs6000_restore_machine_status): Remove prototype.
7236 2001-01-09 Richard Henderson <rth@redhat.com>
7238 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7239 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7240 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7241 (sched_analyze_2, sched_analyze_insn): Likewise.
7242 (sched_analyze, init_deps): Likewise.
7243 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7244 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7245 (compute_block_backward_dependences): Update propagate_deps call.
7247 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7249 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7251 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7253 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7254 (cpp_handle_option): Handle them.
7255 (cpp_post_options): Ensure one of -M or -MM is specified with
7256 any other -M? option.
7257 (init_dependency_output): Suppress output with -MG.
7259 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7262 * invoke.texi: Update.
7264 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7266 * sh.md (reload_outsf): Generate recognizable patterns for
7269 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7271 * c-lang.c (lang_hooks): Update.
7272 (lang_init): Rename c_init.
7273 (lang_finish): Remove.
7274 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7276 * toplev.h (lang_hooks): Add init () and finish ().
7277 * tree.h (lang_init, lang_finish): Remove.
7278 * cp/tree.h (lang_init, lang_finish): Remove.
7279 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7280 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7282 (lang_init, lang_finish): Remove.
7283 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7284 (lang_hooks): Update.
7285 * java/lang.c (lang_init): Rename java_init.
7286 (lang_finish): Remove.
7287 (lang_hooks): Update.
7288 * objc/objc-act.c (lang_init): Rename objc_init.
7289 (lang_finish): Remove.
7290 (lang_hoooks): Update.
7292 20001-01-09 Graham Stott <grahams@redhat.com>
7294 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7295 after `ptr` is initialised.
7297 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7299 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7300 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7301 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7302 stack adjusts, instead of r3.
7304 2001-01-09 Michael Hayes <mhayes@redhat.com>
7306 * flow.c (flow_loop_scan): Break out of ...
7307 (flow_loops_find) ... here.
7308 * basic-block.h (flow_loop_scan): New.
7309 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7310 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7312 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7314 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7316 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7317 realloc()ing macro_buffer.
7319 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7320 if it's wider than long and the target's long is wider than the
7323 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7325 Remove support for using UWIN as a host machine.
7326 * configure.in: Issue an error message.
7327 * configure: Regenerated.
7328 * config.gcc: Remove xm_* UWIN configury.
7329 * config/i386/xm-uwin.h: Remove.
7331 2001-01-08 Nick Clifton <nickc@redhat.com>
7333 * config/v850/v850.c (ra_rtx): Delete.
7334 (v850_save_machine_status): Delete.
7335 (v850_restore_machine_status): Delete.
7336 (v850_init_machine_status): New function.
7337 (v850_mark_machine_status): New function.
7338 (v850_free_machine_status): New function.
7339 (v850_return_addr): Use ra_rtx field in machine structure.
7340 (v850_init_expanders): Use new functions.
7342 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7343 * config/v850/v850.c: Change arguments to v850_output+* functions
7344 to take a const char *, to avoid compile time warning.
7345 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7346 (USER_LABEL_PREFIX): Redefine.
7348 2000-01-08 Jim Wilson <wilson@redhat.com>
7350 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7351 1 to unsigned HOST_WIDE_INT before left shift.
7353 2001-01-08 Nick Clifton <nickc@redhat.com>
7355 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7356 the machine structure has been allocated.
7357 (arm_free_machine_status): New function: Free the machine
7358 specific function structure.
7360 2001-01-08 Richard Henderson <rth@redhat.com>
7362 * jump.c (simplejump_p): Revert last change.
7364 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7366 * cppinit.c (init): Rename init_library.
7367 (cpp_create_reader): Update.
7368 * gcc.c (cpp_options): If -o given, use it as the target of
7371 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7373 * arm.c (arm_arch5e): New variable.
7374 (all_cores): XScale is a 5TE device.
7375 (arm_override_options): Set arm_arch5e.
7376 (arm_init_builtins): __builtin_prefetch is in arch5e.
7377 * arm.h (arm_arch5e): Declare it.
7379 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7381 * arm.md (define_constants): Add defines for UNSPEC and
7382 UNSPEC_VOLATILE insns. Update all users.
7383 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7384 * arm.c (multi_register_push, note_invalid_constants)
7385 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7386 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7387 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7389 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7391 * jump.c (jump_optimize_1): Use reversed_comparison_code
7392 instead of can_reverse_comparison_p.
7393 (jump_back_p): Likewise.
7394 (invert_exp_1): Likewise.
7395 (thread_jumps): Likewise.
7396 * simplify-rtx.c (simplify_unary_operation): Likewise.
7397 (simplify_ternary_operation): Likewise.
7398 * cse.c (find_comparison_args): Convert to use
7399 can_reverse_comparison_p.
7400 (record_jump_equiv): Likewise.
7402 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7404 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7405 (EPILOGUE_USES): Define.
7406 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7407 automatically stack the LR if it isn't live.
7409 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7411 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7414 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7416 * ggc-page.c (max_alignment): New structure.
7417 (MAX_ALIGNMENT): New macro.
7418 (init_ggc): Use it to round up the sizes in the
7419 extra_order_size_table.
7421 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7423 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7426 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7428 * builtins.def (BUILT_IN_FPRINTF): New entry.
7430 * c-common.c (c_expand_builtin_fprintf): New function.
7431 (init_function_format_info): Handle __builtin_fprintf.
7432 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7433 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7435 * c-decl.c (duplicate_decls): Adjust comment.
7437 * extend.texi (fprintf): Document new builtin.
7439 2001-01-07 Richard Henderson <rth@redhat.com>
7441 * jump.c (simplejump_p): Recognize any single_set jump
7444 2001-01-07 Richard Henderson <rth@redhat.com>
7446 * configure.in (slibdir): Accept an --with-slibdir option.
7447 Use "test" not "[" in configure. Default to $(libdir).
7449 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7451 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7452 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7453 (SHLIB_LINK): Create links for the soname.
7454 * config/mips/t-iris6: Likewise.
7455 * config/sparc/t-slibgcc: Likewise.
7456 * config/sparc/t-slibgcc-sld: Likewise.
7458 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7460 * config/i386/i386.c (constant_call_address_operand): Accept
7461 (const (plus (symbol_ref) (const_int))).
7462 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7463 constant_call_address_operand.
7465 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7467 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7468 and LONG_LONG_TYPE_SIZE > 32.
7470 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7472 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7473 the previous change.
7475 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7477 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7479 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7480 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7481 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7484 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7486 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7488 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7490 * c-lang.c (c_post_options): Call cpp_post_options.
7491 * objc/objc-act.c (objc_post_options): Similarly.
7492 * cppmain.c (main): Similarly.
7493 * fix-header.c (read_scan_file): Similarly.
7494 * cppinit.c (cpp_start_read): Move option consistency checks
7495 to cpp_post_options. Don't call init_dependency_output.
7496 If needed, add default target and main file dependency.
7497 (OPT_MD, OPT_MMD): Remove.
7499 (cpp_handle_option): Update for OPT_* changes.
7500 (cpp_post_options): New.
7501 (init_dependency_output): Command line -MF overrides environment
7502 variables. Don't set default target etc. Suppress output
7503 if dependencies are going to stdout.
7504 (print_help): Update.
7505 * cpplib.h (cpp_post_options): New.
7506 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7508 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7510 * jump.c (comparison_dominates_p): Support unordered compares.
7512 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7514 * simplify-rtx.c (simplify_relational_operation): Always simplify
7515 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7518 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7520 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7521 (nonzero_bits): Likewise.
7522 (simplify_comparison): Likewise.
7523 (num_sign_bit_copies): Likewise; return more sane value depending
7524 on STORE_FLAG_VALUE.
7525 (known_cond): Do not assume EQ to be always true for equivalent
7528 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7530 * cse.c (fold_rtx): Handle unordered comparisons.
7532 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7534 * rtlanal.c (set_of_1): New static function.
7535 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7536 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7537 reg_set_last_last_regno): Remove.
7538 (set_of): New global function.
7539 (set_of_data): New structure.
7540 (reg_set_p, reg_set_last): Revamp for set_of.
7541 * rtl.h (set_of): New.
7543 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7545 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7546 * extend.texi: Document _Exit builtin.
7548 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7550 * (initialize, initialize_builtins,
7551 initialize_dependency_output, initialize_standard_includes):
7552 Rename s/initialize/init. Update.
7553 (init_dependency_output): Move to after
7554 cpp_handle_options, the correct location temporally at least.
7555 (opt_comp): Move next to init (), its caller. Fix prototype.
7556 (init): Make "initialized" local scope.
7557 (cpp_create_reader): Always call init ().
7558 (cpp_start_read): Update.
7559 (output_deps): New function, broken out of cpp_finish.
7560 (cpp_finish): Break out output_deps.
7562 2001-01-07 Richard Henderson <rth@redhat.com>
7564 * collect2.c (COFF specific stuff): Revert 12-06 patch
7565 to prototype system functions.
7567 2001-01-07 Michael Hayes <mhayes@redhat.com>
7569 * hard-reg-set.h: Add multiple include guard.
7570 * basic-block.h (struct loop): Add `sink' field.
7571 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7572 (emit_iv_add_mult): Delete.
7573 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7574 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7575 (unroll_loop): Remove end_insert_before argument.
7576 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7577 (maybe_eliminate_biv_1): Likewise.
7578 (emit_iv_add_mult): Delete.
7579 (gen_add_mult, loop_regs_update): New.
7580 (loop_insn_emit_after, loop_insn_emit_before): New.
7581 (loop_insn_sink, loop_insn_sink_or_swim): New.
7582 (emit_iv_add_mult): Delete.
7583 (scan_loop): Set loop->sink.
7584 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7585 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7586 (maybe_eliminate_biv_1): Likewise.
7587 (maybe_eliminate_biv_1): Add basic block argument.
7588 * unroll.c (unroll_loop): Remove end_insert_before argument.
7589 (find_splittable_regs): Likewise.
7590 (find_splittable_regs): Use loop_insn_sink and its ilk.
7591 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7593 2001-01-07 Michael Hayes <mhayes@redhat.com>
7595 * loop.h (loop_insn_hoist): New prototype.
7596 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7597 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7598 (check_dbra_loop, load_mems): Likewise.
7599 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7600 (find_splittable_givs): Likewise.
7602 2001-01-07 Michael Hayes <mhayes@redhat.com>
7604 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7606 2001-01-07 Richard Henderson <rth@redhat.com>
7608 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7610 2001-01-07 Richard Henderson <rth@redhat.com>
7612 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7613 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7614 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7615 variant that handles a shared libgcc.
7616 (process_command): Always validate -{static,shared}-libgcc.
7617 (do_spec_1): New 'M' case.
7618 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7620 2001-01-07 Richard Henderson <rth@redhat.com>
7622 * Makefile.in (slibdir): New variable.
7623 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7624 (installdirs): Create slibdir.
7625 (install-libgcc, install-multilib): Defer to libgcc.mk.
7626 * configure.in (slibdir): Substitute.
7627 * mklibgcc.in (install): New target.
7629 * config/t-linux (SHLIB_LINK): Create links for the soname.
7630 (SHLIB_INSTALL): New.
7631 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7632 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7633 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7634 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7635 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7637 2001-01-07 Richard Henderson <rth@redhat.com>
7639 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7640 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7641 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7643 2001-01-07 Michael Hayes <mhayes@redhat.com>
7645 * loop.c (count_loop_regs_set): Delete.
7646 (load_mems_and_recount_loop_regs_set): Delete.
7647 (loop_regs_scan): Merge common code from count_loop_regs_set,
7648 scan_loop, and load_mems_and_recount_loop_regs_set.
7649 (scan_loop): Call load_mems directly and loop_regs_scan
7650 again if new registers created.
7652 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7654 * toplev.c (main): Call the front-end specific post_options
7655 hook if one is given.
7656 * toplev.h (struct_lang_hooks, lang_hooks): New.
7657 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7658 for the C front end.
7659 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7660 lang_hooks for the C++ front end.
7661 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7662 lang_hooks for the ObjC front end.
7663 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7664 * java/lang.c (lang_hooks): Hooks for the Java front end.
7666 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7668 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7669 for verbose DWARF[2] debugging.
7670 (cb_define, cb_undef): The new callbacks.
7671 * toplev.h (debug_define, debug_undef): Make const correct.
7672 * toplev.c (debug_define, debug_undef): Similarly. Do not
7673 perform the verbosity tests here anymore.
7675 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7677 * reload.c (subst_reloads): Take INSN argument. When
7678 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7679 * reload.h (subst_reloads): Adjust prototype.
7680 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7681 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7682 present in JUMP_INSNs and copy them to JUMP_LABEL.
7683 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7684 JUMP_INSNs and insns with REG_LABELs that are followed by
7685 JUMP_INSNs with the same REG_LABEL.
7686 * sched-rgn.c (is_cfg_nonregular): Likewise.
7687 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7689 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7691 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7693 2001-01-06 Richard Henderson <rth@redhat.com>
7695 * loop.c (scan_loop): Use xcalloc for the regs array.
7696 (load_mems_and_recount_loop_regs_set): Zero the new memory
7697 received from xrealloc.
7699 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7701 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7703 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7705 * integrate.c (copy_rtx_and_substitute): When copying
7706 an ignored return value, strip REG_FUNCTION_VALUE_P.
7708 2001-01-06 Michael Hayes <mhayes@redhat.com>
7710 * loop.c (debug_biv, debug_giv): New.
7711 (loop_biv_dump): Break out from ...
7712 (record_biv): ... here.
7713 (loop_giv_dump): Break out from ...
7714 (record_giv): ... here.
7715 (loop_bivs_check): Use print_simple_rtl.
7716 * unroll.c (loop_iterations): Use print_simple_rtl.
7718 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7720 * pa.md (return, return_internal): Modify patterns to prevent regrename
7721 mucking with the return pointer.
7723 2001-01-05 Richard Henderson <rth@redhat.com>
7725 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7727 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7729 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7730 version supplied by Matteo Frigo.
7732 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7734 * cpp.texi: Update for -MQ.
7735 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7736 (cpp_cleanup): Always free pfile->deps.
7737 (initialize_dependency_output): Don't create pfile->deps.
7738 (cpp_handle_option): Similarly.
7740 * gcc.c (cpp_options): Handle -MQ.
7741 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7742 * mkdeps.c (base_name): Remove.
7743 (deps_init): Don't allocate vector space until it's needed.
7744 (deps_free): Only free vectors if allocated.
7745 (deps_add_target, deps_add_dep): Update for initial allocation.
7746 (deps_add_default_target): Don't strip to the base_name.
7748 2001-01-05 DJ Delorie <dj@redhat.com>
7750 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7751 (INIT_EXPANDERS): Define.
7753 * config/v850/v850.c (struct machine_function): Define.
7754 (v850_save_machine_status): New function.
7755 (v850_restore_machine_status): New function.
7756 (v850_return_addr): New function.
7757 (v850_init_expanders): New function.
7759 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7760 and v850_init_expanders.
7762 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7764 * cpplib.h (struct cpp_reader): Add help_only field.
7765 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7766 (cpp_handle_option): Set pfile->help_only if we see -h,
7767 --help, -target-help, or --version. Print version string but
7768 do not set help_only if we see -v or -version. Make text
7769 printed by -v match that printed by (-)-version.
7771 * cppmain.c (main): Exit after option parsing if
7772 pfile->help_only is true.
7774 * toplev.c (independent_decode_option): Call print_version,
7775 then exit, if we see --version (but not -version).
7776 (print_version): Split lengthy message into two lines.
7778 2001-01-05 Nick Clifton <nickc@redhat.com>
7780 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7781 temporary string for initialisation before calling ggc_alloc_string.
7783 2001-01-06 Michael Hayes <mhayes@redhat.com>
7785 * rtl.h (print_simple_rtl): New.
7786 * print-rtl.c (print_simple_rtl): New.
7788 (print_rtx): Disable printing of flags and modes, etc.,
7789 if `flag_simple` nonzero.
7791 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7793 * function.c (fixup_var_refs): Use push_to_full_sequence where
7796 2001-01-05 Michael Meissner <meissner@redhat.com>
7798 * flags.h (flag_reorder_blocks): Add declaration.
7799 (flag_rename_block): Ditto.
7801 2001-01-05 DJ Delorie <dj@redhat.com>
7803 * function.c (reorder_blocks): Make sure the flags are all reset
7804 before using them to mark blocks, else a second invocation will
7805 corrupt the block chain.
7806 (reorder_blocks_0): New, resets the flags.
7808 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7810 * cse.c (find_comparison_args): Stop if the argument is known to
7813 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7815 * config/sh/sh.md (movdf): When splitting load into pair of
7816 registers, don't clobber the register used in the address too
7819 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7821 * varasm.c (mark_constant_pool): Improve initial comments.
7822 (mark_constants): Move marking of constants to mark_constant.
7823 (mark_constant): New function to recursively mark all constants
7824 referred to by a constant.
7826 2001-01-05 Catherine Moore <clm@redhat.com>
7828 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7830 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7832 * cp/lang-options.h: Bring comment in line with reality.
7833 * f/lang-options.h: Likewise.
7834 * java/lang-options.h: Likewise.
7835 * objc/lang-options.h: Likewise.
7836 * ch/lang-options.h: Likewise.
7837 * f/g77.texi: And update the manual.
7839 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7840 Denis Chertykov <denisc@overta.ru>
7842 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7843 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7844 * config/avr/avr.md (all peepholes that request a scratch register):
7845 Call it, FAIL the peephole if not safe (in interrupt functions).
7847 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7849 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7851 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7853 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7855 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7856 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7857 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7858 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7859 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7861 * extend.texi: Document these builtins.
7863 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7865 * c-common.c (lang_get_alias_set): Say we know nothing of
7866 VECTOR_TYPE aliasing.
7868 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7870 2001-01-05 Bruce Korb <bkorb@gnu.org>
7872 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7873 their x* equivalent versions for atexit-less systems
7874 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7875 systems (or any other system any more).
7877 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7879 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7880 output operands. Use arm_hard_register_operand for operand 4.
7881 (stmsi_postinc): Similarly.
7882 (ldmsi): Use arm_hard_register_operand for opernand 2.
7884 * arm.c (arm_hard_register_operand): New function.
7885 * arm-protos.h (arm_hard_register_operand): Prototype it.
7887 * arm.h (HARD_REGNO_RENAME_OK): Define.
7889 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7891 * simplify-rtx.c (cfc_args): add "unordered" field.
7892 (check_fold_consts): Set unordered field.
7893 (simplify_relational_operation): Simplify the unordered
7896 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7899 * emit-rtl.c (try_split): Fix code to mark labels.
7900 * jump.c (mark_jump_label): Make global.
7901 * rtl.h (mark_jump_label): Declare.
7903 * predict.c (estimate_probability): Handle unordred comparisons.
7905 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7907 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7908 * cppinit.c (initialize_dependency_output): Update.
7909 (cpp_finish): Output dummy targets for -MP.
7911 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7912 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7913 * gcc.c (cpp_options): Update to handle -MP.
7914 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7915 to quote only the default target.
7916 (deps_phony_targets): Insert a preceding newline. Rename from
7917 deps_dummy_targets for consistency.
7920 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7922 * calls.c (emit_library_call_value_1): Support
7923 INIT_CUMULATIVE_LIBCALL_ARGS.
7924 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7926 2001-01-04 Richard Henderson <rth@redhat.com>
7928 * c-decl.c (finish_struct): Detect flexible array members
7929 used in an inappropriate context.
7930 * c-typeck.c (really_start_incremental_init): Special case
7931 constructor_max_index for zero length arrays.
7932 (pop_init_level): Allow initialization of flexible array
7933 members. Deprecate initialization of zero length arrays.
7934 Don't issue missing initializer warning for flexible array
7935 members or zero length arrays.
7936 (process_init_element): Don't dereference null DECL_SIZE.
7937 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7938 Don't abort for empty constructors. Use size_binop
7939 (output_constructor): Add commentary regarding zero length
7940 array futures. Abort if we try to initialize an array of
7941 unspecified length with a non-empty constructor in the middle
7944 * extend.texi (Zero Length): Update and clarify documentation
7945 on static initialization.
7947 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7949 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7950 with more than 32767 words of local storage.
7952 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7954 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7955 for 'abs', 'labs', and 'fabs'.
7956 (c4x_expand_builtin): Likewise.
7957 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7959 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7961 * config/sh/sh.md (prget, prset): New insn types.
7962 (return delay slot): Dont' allow prset.
7963 (call, sfunc delay slot): Don't allow prget.
7964 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7965 for prset and prget.
7967 2001-01-05 Michael Hayes <mhayes@redhat.com>
7969 * loop.h (struct loop_reg): New.
7970 (struct loop_regs): Change to use array of `struct loop_reg'.
7971 * loop.c: Replace assortment of varrays with single regs array.
7972 (count_one_set): Delete may_not_move array argument
7973 and use regs array instead. All caller's changed.
7974 (count_loop_regs_set): Delete may_not_move and single_usage
7975 arguments and use regs array instead. All caller's changed.
7976 (find_single_use_in_loop): Replace usage array argument with pointer
7977 to regs structure. All caller's changed.
7978 (loop_optimize): Delete `moved_once' array.
7980 2001-01-05 Michael Hayes <mhayes@redhat.com>
7982 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7983 Use it instead of loop_info->has_call for scanning loop mems.
7984 (check_dbra_loop): Replace loop_info->has_call test with
7985 loop_info->has_nonconst_call.
7987 2000-01-04 Matthew Hiller <hiller@redhat.com>
7989 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7992 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7994 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7995 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7997 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7999 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8000 (flag_short_double, flag_short_wchar): Define.
8001 (c_common_nodes_and_builtins): Create many tree nodes shared
8002 between C and C++ here instead of in cp/decl.c and ...
8003 * c-decl.c (init_decl_processing): ... here.
8004 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8005 (flag_short_double, flag_short_wchar): Don't define.
8006 (record_builtin_type): New function.
8007 (build_void_list_node): New function.
8008 * c-common.h (flag_short_double, flag_short_wchar,
8009 record_builtin_type, build_void_list_node): Declare.
8011 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8013 * integrate.c (expand_inline_function): Don't put a virtual
8014 register into the reg map.
8016 * function.c (fixup_var_refs_1): If force_operand didn't put
8017 the address into the target, move it there.
8019 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8021 Special-case tree_decl/tree_list allocations.
8022 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8023 (OBJECT_SIZE): New macro.
8024 (NUM_EXTRA_ORDER): Likewise.
8025 (extra_order_size_table): New variable.
8026 (NUM_ORDERS): New macro.
8027 (objects_per_page_table): New variable.
8028 (object_size_table): New variable.
8029 (G.pages): Use NUM_ORDERS to bound the array.
8030 (G.page_tails): Likewise.
8031 (DIV_ROUND_UP): Remove.
8032 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8033 (alloc_page): Use OBJECT_SIZE.
8034 (size_lookup): Don't make it const.
8035 (ggc_alloc): Use OBJECT_SIZE.
8036 (ggc_set_mark): Likewise.
8037 (ggc_get_size): Likewise.
8038 (init_ggc): Set up the object_size_table, objects_per_page_table,
8039 and adjust size_lookup.
8040 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8041 (ggc_pop_context): Use NUM_ORDERS.
8042 (clear_marks): Likewise.
8043 (sweep_pages): Likewise.
8044 (poison_pages): Likewise.
8045 (ggc_print_statistics): Use OBJECT_SIZE.
8047 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8049 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8050 Only call array_size_for_constructor if last field and array type
8051 with no upper bound.
8053 2001-01-04 Philip Blundell <philb@gnu.org>
8055 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8056 from bit 31 downwards, if this requires no more insns.
8057 (count_insns_for_constant): New helper function for above.
8059 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8061 * gencodes.c (output_predicate_decls): Remove empty initializer.
8063 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8065 * tree.c (copy_node): Remove documentation about obstacks.
8066 (buidl1): Check that nobody tries to build 2-argument nodes this
8069 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8071 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8074 * gencodes.c (output_predicate_decls): Fill empty initializer
8077 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8079 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8080 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8082 (do_include): Handle missing headers like cpp0.
8083 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8084 paths with first include pathname. Don't strcat to uninitialized
8087 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8089 * regrename.c (regrename_optimize): Don't rename from frame pointer
8090 if frame_pointer_needed.
8091 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8092 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8093 (ia64_reorg): Use it instead of scheduling if ! optimize.
8094 (errata_emit_nops): Properly call asm_noperands.
8095 (ia64_sched_reorder): Finish cycle if we see an asm.
8096 (ia64_variable_issue): Clear scheduling state after asms.
8098 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8100 * cpp.texi: Update for -MT.
8101 * cppinit.c (initialize_dependency_output): Add a default
8102 target if none has been given already.
8103 (no_tgt, OPT_MT): New.
8104 (cpp_handle_option): Handle -MT. Update -M etc.
8105 * cpplib.h (struct cpp_options): Remove deps_target.
8106 * gcc.c (cpp_options): Handle -MT.
8107 * mkdeps.c (struct deps): Move from mkdeps.h.
8108 (deps_calc_target): Rename deps_add_default_target. Add a
8109 default target if none has been specified already.
8110 * mkdeps.h (struct deps): Move to mkdeps.c.
8111 (deps_calc_target): Rename deps_add_default_target.
8113 2000-01-03 Richard Henderson <rth@redhat.com>
8115 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8117 * c-typeck.c (push_init_level): Move checks for flexible array
8118 members and zero length arrays ...
8119 (pop_init_level): ... here. Silently discard empty initializations.
8121 * varasm.c (output_constructor): Update for sizeof change to
8124 * extend.texi (Zero Length): Clarify semantics.
8126 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8128 * configure.in (tm.h): Include isns-codes.h last.
8129 * configure: Rebuilt.
8131 2001-01-03 Richard Henderson <rth@redhat.com>
8133 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8134 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8136 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8138 * tradcpp.c (main): Make sure finclude() is called with a valid
8139 indepth value while handling -include.
8141 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8143 * gencodes.c (output_predicate_decls): New function.
8145 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8146 even if it is not the first time machmode.h is #included.
8147 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8148 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8149 * gcc.texi (Copyright): Added 2001.
8151 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8153 * c-common.c (c_common_lang_init): New function. Warn if format
8154 warning options which only have effects when used with -Wformat
8155 are used without -Wformat.
8156 * c-common.h (c_common_lang_init): Declare.
8157 * c-lang.c (lang_init): Call c_common_lang_init.
8158 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8160 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8162 * configure.in: Check for the mktemp command.
8163 * configure: Regenerate.
8164 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8165 $TEMP. Create temporary files with mktemp, if available at
8166 configure time; otherwise use set -C. Remove temporary files
8169 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8171 * configure.in: Require at least texinfo 4.0. Check for whether
8172 Pod::Man is sufficiently recent to regenerate GCC manpages.
8173 * configure: Regenerate.
8174 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8176 (GENERATED_MANPAGES): Define.
8177 (generated-manpages): New target. Depend on cpp.1 as well as
8179 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8180 configure to generated-manpages or empty) rather than on the
8181 manpages directly. Remove execute permission from installed
8182 gcov.1 as well as cpp.1.
8183 * cpp.1, gcov.1: Regenerate.
8185 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8187 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8188 tree_low_cst. Allow using cmpstrsi in more cases.
8190 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8192 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8195 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8197 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8198 * Makefile.in (HOST_CFLAGS): Mention build-make.
8200 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8202 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8205 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8207 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8210 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8213 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8214 reg_base_value and reg_known_value arrays.
8215 (init_alias_analysis): Add more cases to detect known values.
8216 * sched-deps.c (deps_may_trap_p): New function.
8217 (sched_analyze_2): Use it.
8219 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8221 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8222 don't discard an ASHIFTRT if we're shifting in a wider mode.
8224 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8226 * toplev.c (rest_of_compilation): Don't print basic block information
8227 when CFG isn't up to date.
8229 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8231 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8232 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8233 (UNALIGNED_SHORT_ASM_OP): Define.
8234 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8236 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8238 * fold-const.c (fold_convert): Fix typo.
8240 2001-01-02 Richard Henderson <rth@redhat.com>
8242 * c-common.h (ASM_INPUT_P): New.
8243 * c-parse.in (asm): Set it when needed.
8244 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8245 existance of an operand.
8247 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8249 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8250 (dwarf2out_frame_debug_expr): Likewise.
8251 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8253 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8255 * i386.c (ix86_split_to_parts): Return number of part required;
8257 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8259 (ix86_split_long_move): Use number of part returned
8260 by ix86_split_to_parts
8261 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8263 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8264 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8265 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8266 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8267 (ALIGN_MODE_128): Add TFmode.
8268 (IS_STACK_MODE): Likewise.
8269 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8270 (HARD_REGNO_OK): Support TFmodes.
8271 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8272 * i386.md (scheduler definitions): Use memory operand to determine
8273 fst/fld instructions; use mode attribute to determine real mode of
8275 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8276 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8278 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8280 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8282 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8284 * expr.c (store_constructor_field): Update ALIGN before calling
8287 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8289 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8292 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8294 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8297 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8299 * c-decl.c (start_function): Don't warn on third parameter to main.
8301 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8303 * tsystem.h: Define HAVE_DECL_GETOPT.
8305 2001-01-02 Philip Blundell <pb@futuretv.com>
8307 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8310 2001-01-02 Richard Henderson <rth@redhat.com>
8312 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8314 2001-01-02 Andreas Jaeger <aj@suse.de>
8316 * c-decl.c (c_decode_option): Remove support of
8319 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8320 (W_options): Add -Wmissing-noreturn here.
8322 * flow.c: Define lang_missing_noreturn_ok_p.
8323 (check_function_return_warnings): Use it.
8325 * c-common.h: Declare lang_missing_noreturn_ok_p.
8327 * c-lang.c (c_missing_noreturn_ok_p): New function.
8328 (lang_init): Set lang_missing_noreturn_ok_p.
8330 * invoke.texi (Warning Options): Document this.
8332 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8334 * extend.texi (C++ Extensions): New node for C++ attributes;
8335 describe init_priority and com_interface.
8336 * invoke.texi: Remove -finit-priority as it now has zero effect.
8337 * install.texi: Fix xref syntax.
8338 * md.texi: Likewise.
8340 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8342 * config.gcc (sparc64-wrs-vxworks*): New case.
8343 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8345 * config/sparc/sparc.c (sparc_override_options): Do support different
8346 pointer and architecture size.
8347 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8348 (POINTERS_EXTEND_UNSIGNED): Define.
8349 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8350 (FUNCTION_MODE): Define to be Pmode.
8351 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8353 * function.c (expand_function_end): Properly handle DECL_RESULT
8354 and copy when ptr_mode != Pmode.
8355 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8357 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8359 * c-common.c (c_common_nodes_and_builtins): Set prototype
8360 parameters for __builtin_fputs, __builtin_fputc and
8361 __builtin_fwrite. Don't declare plain fputc as a builtin.
8363 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8365 * loop.c (add_label_notes): Increment the label usage count when
8366 a note is added to an insn which refers to a CODE_LABEL.
8367 * gcse.c (add_label_notes): Likewise.
8369 2001-01-01 Andreas Jaeger <aj@suse.de>
8371 * loop.c (scan_loop): Use xmalloc to allocate movables.
8373 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8375 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8376 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8377 * reload1.c (REGISTER_MOVE_COST): Likewise.
8378 * regclass.c (REGISTER_MOVE_COST): Likewise.
8379 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8380 dimension. Adjust all users.
8381 (init_reg_sets_1): Iterate on all modes.
8382 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8383 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8384 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8385 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8386 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8387 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8388 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8389 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8390 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8391 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8392 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8393 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8394 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8395 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8396 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8397 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8398 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8399 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8400 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8401 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8402 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8403 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8404 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8405 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8406 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8407 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8408 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8410 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8412 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8413 arg VARIES_P. Call it with extra arg.
8414 (true_dependence): Likewise.
8415 * rtl.h (rtx_addr_can_trap_p): Declare.
8416 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8418 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8419 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8420 pic offset table register if it's zero. All callers changed.
8421 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8423 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8425 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8426 STRING_POOL_ADDRESS_P.
8428 * config/sparc/sparc.c (input_operand): Properly test for short op.
8430 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8431 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8432 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8433 * config/sparc/elf.h: No longer include sol2.h.
8434 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8435 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8437 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8439 2001-01-01 Michael Hayes <mhayes@redhat.com>
8441 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8442 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8443 (record_initial): Likewise.
8444 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8445 (remap_split_bivs): Likewise.
8447 2001-01-01 Michael Hayes <mhayes@redhat.com>
8449 * loop.c (loop_ivs_free): New function.
8450 (strength_reduce): Break out from...
8452 2001-01-01 Michael Hayes <mhayes@redhat.com>
8454 * loop.h (struct iv): New.
8455 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8456 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8457 'reg_biv_class' fields with 'regs' and 'n_regs'.
8458 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8459 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8460 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8462 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8464 * resource.c (mark_referenced_resources): Abort() before
8465 attempting to mark a pseudo register.
8466 (mark_set_resources): Likewise.
8468 2001-01-01 Michael Hayes <mhayes@redhat.com>
8470 * loop.h (REG_IV_CLASS): New accessor macro.
8471 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8472 * unroll.c (REG_IV_CLASS): Likewise.
8474 See ChangeLog.4 for earlier changes.