1 2001-01-27 Richard Henderson <rth@redhat.com>
3 * config/alpha/t-ieee: Remove multilibbing.
4 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10 * Makefile.in: Remove all dependencies on defaults.h.
11 * builtins.c: Don't include defaults.h.
12 * c-common.c: Likewise.
14 * c-pragma.c: Likewise.
15 * c-typeck.c: Likewise.
16 * combine.c: Likewise.
18 * frame-ia64.c: Likewise.
20 * crtstuff.c: Likewise.
22 * dwarf2out.c: Likewise.
23 * dwarfout.c: Likewise.
24 * emit-rtl.c: Likewise.
28 * frame-dwarf2.c: Likewise.
29 * libgcc2.c: Likewise.
31 * profile.c: Likewise.
34 * tradcif.y: Likewise.
38 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
40 * builtins.c (expand_builtin_fputs): Use size_one_node when
41 transforming into fwrite.
43 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
45 * extend.texi (Attribute Syntax): New section.
47 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
49 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
50 they didn't need fixing.
52 2001-01-27 Janis Johnson <janis@us.ibm.com>
54 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
56 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
57 to remove macro definitions that are duplicated from elfos.h.
59 2001-01-27 Richard Henderson <rth@redhat.com>
61 * config/i386/sco5gas.h: Move ...
62 * config/usegas.h: ... here.
63 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
65 2001-01-27 Jakub Jelinek <jakub@redhat.com>
67 * c-typeck.c (struct constructor_stack): Add range_stack member.
68 (really_start_incremental_init): Clear it.
69 (push_init_level): Save constructor_range_stack and clear it if
70 pushing explicit braces.
71 (pop_init_level): abort if constructor_range_stack is non-zero at
72 explicit closing brace. Restore saved constructor_range_stack if
75 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
77 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
78 into register was forced into memory.
80 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
82 * Makefile.in: Remove uses of + before $(MAKE).
84 2001-01-26 Richard Henderson <rth@redhat.com>
86 * stmt.c (cost_table): Remove.
87 (COST_TABLE, cost_table_initialized): New.
88 (estimate_case_costs): Use the later instead of the former.
89 (balance_case_nodes): Likewise.
91 2001-01-26 Richard Henderson <rth@redhat.com>
93 * alias.c (objects_must_conflict_p): Read-only slots may not
94 conflict despite having the same type.
96 2001-01-27 Michael Hayes <mhayes@redhat.com>
98 * loop.c (loop_giv_reduce_benefit): Copy mode size into
100 (check_ext_dependant_givs): Initialise u_start_val and
102 (load_mems): Make last_max_reg unsigned.
103 (try_swap_copy_prop): Use INSN_P and initialise set.
105 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
107 * README.AVR : Removed.
109 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
111 * pa-64.h (text_section): Remove declaration.
113 * pa.md (return_internal): Remove mode on PIC register use.
115 2001-01-25 lars brinkhoff <lars@nocrew.org>
117 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
118 ASM_CLOSE_PAREN): fix typos.
120 2001-01-25 Mark Mitchell <mark@codesourcery.com>
122 * acconfig.h: Define `const' to the empty string if neither
123 __STDC__ nor __cplusplus is defined.
124 * config.in: Regenerated.
126 2001-01-25 David Edelsohn <edelsohn@gnu.org>
128 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
129 * collect2.c (main): Delete importf. Add ".obj" file extension.
130 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
131 (aix_std_libs): Add additional AIX libraries to skip.
132 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
133 * config/rs6000/aix51.h: New file.
135 2001-01-25 Michael Hayes <mhayes@redhat.com>
137 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
138 (loop_insn_emit_before): No longer static.
139 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
140 (loop_givs_rescan, load_mems): Likewise.
141 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
142 (maybe_eliminate_biv_1):
143 (move_movables): Replace emit_call_insn_before with
144 loop_call_insn_hoist.
145 * loop.h (loop_insn_emit_before): Add.
146 * unroll.c (copy_loop_body): Replace emit_insn_before with
147 loop_insn_emit_before.
149 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
151 * diagnostic.c (fatal): Request preprocessed source.
153 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
155 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
156 olddecl has argument types and newdecl has none, use the argument
159 2001-01-24 Ulrich Drepper <drepper@redhat.com>
161 * dwarf2out.c (prefix_of): New function. Determine longest common
162 prefix of the two arguments. The units are whole path components.
163 (output_file_names): When adding a new directory find the one entry
164 with the longest common prefix already in the list. Artificially
165 generate entry if there is none for this prefix.
166 Fix test to check whether the zeroth directory entry is used.
168 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
170 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
171 Changed all callers. Take it into account when deciding if a
172 previously loaded value matches.
174 2001-01-24 Richard Henderson <rth@redhat.com>
176 * reload.c (find_reloads_subreg_address): Fail the substitution
177 if the resulting address is insufficiently aligned.
179 2001-01-24 DJ Delorie <dj@redhat.com>
181 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
182 check the original operand's mode also.
183 * simplify-rtx.c (simplify_ternary_operation): Ditto.
185 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
187 * c-parse.in (cast_expr): Move compound literals from here ...
188 (primary): ... to here. Use standard terminology "compound
189 literal" instead of "constructor expression".
191 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
193 * gcc.1, cpp.1: Regenerate.
195 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
197 * calls.c (emit_library_call_value_1): Memory slot for
198 pass-by-reference argument should have the mode of the argument,
199 not of the pointer to it.
201 2001-01-24 Tom Tromey <tromey@redhat.com>
203 * gcc.texi (G++ and GCC): Mention gcj manual.
204 (Standards): Link to section of manual mentioning gcj/Java
207 2001-01-24 Jakub Jelinek <jakub@redhat.com>
209 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
210 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
211 * tradcpp.c (main): Add -imacros or -include'd dependencies
213 * cpp.texi (-M, -MM): Document -M -include behaviour.
215 2001-01-24 Roger Collins <roger@ProProject.com>
217 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
219 2001-01-24 Will Cohen <wcohen@redhat.com>
221 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
222 whether registers are 32 bits or 64 bits in size.
224 2001-01-24 Ben Elliston <bje@redhat.com>
226 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
228 2001-01-24 Richard Henderson <rth@redhat.com>
230 * config/alpha/alpha.md (builtin_longjmp_internal): New.
231 (builtin_longjmp): Use it instead of emit_indirect_jump.
233 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
235 * bb-reorder.c (make_reorder_chain_1): Handle case where
236 jump edge goes to the same block as the fallthru edge.
238 2001-01-23 Jim Wilson <wilson@redhat.com>
240 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
241 * frame.h (__ia64_personality_v1): Add prototype.
242 * libgcc2.c (ia64_throw_helper): Change personality declaration to
243 prototype form. Add void * cast to first argument to personality
245 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
246 (asctoe113): Likewise.
247 * config/ia64/frame-ia64.c: Include eh-common.h.
248 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
250 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
252 (itanium_split_issue): Add prototype.
253 (gen_nop_type): Ifdef out.
254 (find_best_packet): Initialize best_packet.
255 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
257 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
258 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
259 (flushrs): Add explicit stop bit at end.
260 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
263 2001-01-23 Chris Demetriou <cgd@broadcom.com>
265 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
267 * libgcc2.c (__terminate_func): Make variable static.
268 (__terminate_set_func): New function to set __terminate_func.
269 * libgcc2.h (__terminate_func_ptr): New typedef.
270 (__terminate_set_func): New function.
272 2001-01-23 Richard Henderson <rth@redhat.com>
274 * flow.c (init_propagate_block_info): Don't consider unchanging
275 memories for dead frame store elimination.
277 2001-01-23 Richard Henderson <rth@redhat.com>
279 * varasm.c (UNIQUE_SECTION): Move default implementation ...
280 * defaults.h: ... here.
282 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
284 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
286 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
288 * c-lex.c (lex_charconst): Fix typo: s/p/str.
290 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
292 * rs6000.h (rs6000_return_addr): Move prototype from here...
293 * rs6000-protos.h (rs6000_return_addr): ...to here.
294 (rs6000_init_expanders): Delete prototype.
296 2001-01-23 Nick Clifton <nickc@redhat.com>
298 * invoke.texi: Replace , with \, inside @gccoptlist macros.
299 (Spec Files): Document %B and %j and %. and %v3 and %M and
300 %{S*&T} spec switches.
302 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
304 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
306 2001-01-23 Chris Demetriou <cgd@sibyte.com>
307 Neil Booth <neil@daikokuya.demon.co.uk>
309 * cpperror.c: Merge handlers of PEDWARN and WARNING.
310 Have -Werror make pedantic warnings errors, like the
313 2001-01-23 Phil Edwards <pme@sources.redhat.com>
315 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
317 2001-01-23 Jakub Jelinek <jakub@redhat.com>
319 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
320 * integrate.c (expand_inline_function): Initialize them.
321 (subst_constants): If changing COMPARE so that both its arguments
322 will be VOIDmode and the comparison mode will be lost, note
323 compare_mode. Use the recorded compare_mode to optimize
326 2001-01-23 Jason Merrill <jason@redhat.com>
328 * dwarf2out.c (new_die): Use xcalloc.
329 (output_die): Abort rather than emit a local reference to offset 0.
331 2001-01-17 Andrew Haley <aph@redhat.com>
333 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
334 of a saved register; return NULL instead.
335 (copy_reg): Take a pointer to a source register rather than a
337 (next_stack_level): Remember the address in the stack frame of all
339 Use the saved register pointer array as the source of the CFA.
340 (throw_helper): Rewrite. Unwind once rather than twice and keep
341 track of saved registers as we go.
343 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
345 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
346 * c4x.c (c4x_legitimize_reload_address): Remove.
347 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
348 reload address for ldp(k) insn.
350 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
352 * pa.md (return_internal): Add a USE of the PIC register to ensure
353 it is restored after each call.
354 (return expander): Corresponding changes.
356 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
358 * rs6000.h (INIT_EXPANDERS): Delete.
359 (RETURN_ADDR_RTX): Call rs6000_return_addr().
360 * rs6000.c (rs6000_override_options): Call *_machine_status from
362 (rs6000_init_expanders): ...instead of here. Delete.
363 (rs6000_mark_machine_status): New function.
364 (rs6000_init_machine_status): Use xcalloc.
365 (rs6000_return_addr): Generate RTX for the return address.
366 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
367 (rs6000_stack_info): Use it.
369 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
371 * gthr-win32.h: Include errno.h to get a declaration for
372 EINVAL and _mingw.h if the target is mingw32.
374 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
376 * cpp.texi: Correct typos.
378 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
380 * explow.c (probe_stack_range): Ensure value passed to
381 stack_check_libfunc is ptr_mode, not Pmode.
383 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
385 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
386 case, don't use operand_subword to calculate a SUBREG that is
389 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
391 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
393 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
394 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
395 valid. If not replace it by equivalent insns.
397 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
399 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
400 contains SYMBOL_REF, LABEL_REF and CONST_INT.
401 (c4x_U_constraint, symbolic_address_operand): Likewise.
402 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
404 (c4x_r11_set_p, c4x_check_laj_p): New functions.
405 * c4x-protos.h (c4x_check_laj_p): Add prototype.
406 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
407 anulling slot because of silicon bug.
408 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
410 2001-01-22 Alan Modra <alan@linuxcare.com.au>
412 * cppexp.c (parse_charconst): Change `mask' type to agree
415 2001-01-21 Richard Henderson <rth@redhat.com>
417 * config/i386/i386.c (ix86_asm_file_end): Disable putting
418 pic_label_name in a linkonce section.
420 2001-01-17 Philipp Thomas <pthomas@suse.de>
422 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
424 * configure: Regenerate.
426 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
428 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
429 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
431 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
433 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
434 If REVERSE nonzero then condition code in X must be reversed.
435 (encode_section_info): Optimise if/else.
436 (avr_function_value): Fix formatting.
438 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
439 (difficult_branch): Likewise.
440 (rvbranch): Likewise.
441 (difficult_rvbranch): Likewise.
443 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
445 * config/avr/libgcc.S: Fix comment.
447 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
449 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
451 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
453 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
455 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
457 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
458 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
459 * configure, config.in: Regenerate.
460 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
461 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
462 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
463 (doprint.o): New rule.
465 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
467 * c-typeck.c (digest_init): Handle boolean types as scalars.
469 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
471 * stmt.c (expand_return): Don't return anything if size is zero.
472 Delete redundant assignment to BYTES.
473 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
475 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
477 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
478 the same as the default library function names.
479 * config/avr/avr.md: Document special characters after '%'.
480 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
481 knowing which of the call-used registers are really clobbered.
482 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
483 New. Both quotient and remainder from one libgcc.S call.
484 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
485 clobber as few registers as possible.
486 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
488 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
490 * cppmacro.c (funlike_invocation_p): Don't move back up to the
491 context of the top of the stack.
493 2001-01-20 Jakub Jelinek <jakub@redhat.com>
495 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
496 (fixup_var_refs_insns): ...here.
498 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
500 * function.c (fixup_var_refs_insns): Break up into
501 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
502 [loop over entire insn list], and fixup_var_refs_insns_with_hash
503 [loop over hash table entries].
504 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
505 fixup_var_refs_insns_with_hash, to match above changes.
507 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
509 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
510 (libgcc.a): Likewise.
511 (stmp-multilib): Likewise.
512 (STAGE2_FLAGS_TO_PASS): Likewise.
514 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
516 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
517 temporary if no_new_pseudos.
519 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
521 * cppinternals.texi: Update.
523 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
525 * arm.c (arm_init_builtins): Re-enable builtins.
527 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
529 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
530 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
531 element to be null, and always expect an EXPR_LIST.
532 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
533 * sched-deps.c (sched_analyze_1): Likewise.
534 * sched-rgn.c (check_live_1, update_live_1): Likewise.
536 * regclass.c (max_set_parallel): New variable.
537 (reg_scan): Take it into account in computation of max_parallel.
538 (reg_scan_mark_refs, case SET): Compute it.
540 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
542 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
543 * function.c (assign_parms): Use INTVAL for a CONST_INT.
545 2001-01-19 Jason Merrill <jason@redhat.com>
547 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
548 for the abstract instance of an inline function.
550 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
551 J"orn Rennecke <amylaar@redhat.com>
553 * reload1.c (move2add_note_store): Treat all registers directly or
554 indirectly derived from a base register as members of the same set
556 (reload_cse_move2add): Adjust accordingly. Take mode and offset
557 of base register into account.
559 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
561 * alias.c (find_base_value): Recognize TRUNCATE.
562 (record_set): In PLUS case, invalidate if other summand is also a
565 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
567 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
568 entry to be EXPR_LIST.
569 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
570 be an EXPR_LIST (but not null, which other code doesn't allow).
571 (note_stores): Properly handle PARALLEL in SET.
572 Recursively call for top-level PARALLEL.
573 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
574 * sched-rgn.c (check_live_1, update_live_1): Likewise.
576 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
578 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
580 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
581 not pfile->skipping (== 0).
583 2001-01-17 Nick Clifton <nickc@redhat.com>
585 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
588 2001-01-17 Jim Wilson <wilson@redhat.com>
590 * invoke.texi (IA-64 options): Improve.
592 2001-01-17 Tom Tromey <tromey@redhat.com>
594 * invoke.texi (Optimize Options): Use `{}' to around @samp
597 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
599 * invoke.texi (-fno-guess-branch-probability): New option.
601 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
603 * combine.c (try_combine): Don't set i3_subst_into_i2 for
604 case of making new double-word constant.
605 Revert last change: instead just test i3_subst_into_i2.
607 2001-01-17 Jakub Jelinek <jakub@redhat.com>
609 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
610 Use q constraints instead of r.
612 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
614 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
615 (machine_function): Define.
616 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
617 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
618 pa_free_machine_status): New functions.
619 (override_options): Set {init,mark,free}_machine_status to above.
620 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
621 PIC_OFFSET_TABLE_REGNUM_SAVED.
622 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
623 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
624 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
625 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
626 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
628 2001-01-15 DJ Delorie <dj@redhat.com>
630 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
634 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
636 * flow.c (propagate_on_insn): Make trying to delete a prologue
637 or epilogue insn an ICE, not a warning. Allow doing this if
638 the current function returns with stack pointer depressed.
640 * combine.c (try_combine): If i3_subst_into_i2, properly check for
641 I3 having more than one SET.
643 2001-01-16 Jim Wilson <wilson@redhat.com>
645 * invoke.texi: Document IA-64 options.
647 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
648 (fixup_errata): Delete TARGET_A_STEP use.
649 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
650 (TARGET_SWITCHES): Delete -ma-step option.
651 * config/ia64/ia64.md (all FP patterns): Delete %B0.
652 (movqicc_astep, movqi_internal_astep, movhicc_astep,
653 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
654 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
655 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
656 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
658 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
659 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
660 cmovsi_internal): Delete ! TARGET_A_STEP check.
662 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
664 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
665 possibility to report bugs via postal mail. Change a URL and
666 merge in a nearly duplicate statement...
667 (Bug Reporting): ...from here.
668 (Service): Refer to the Bug Reporting section instead of
670 (Contributing): Remove trivial explanations concerning snapshots.
672 2001-01-16 Alan Modra <alan@linuxcare.com.au>
674 * cppmain.c (general_init): Don't use ANSI prototype.
676 2001-01-16 Tom Tromey <tromey@redhat.com>
678 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
680 2001-01-16 Richard Henderson <rth@redhat.com>
682 * config/i386/i386.h: Fix comment typo.
683 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
684 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
686 2001-01-16 Phil Edwards <pme@sources.redhat.com>
688 * gcc.c: Revert previous -fsyntax-only-related change; move
691 2001-01-16 Jakub Jelinek <jakub@redhat.com>
693 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
694 inmode after checking GET_CODE (op).
696 2001-01-16 Richard Henderson <rth@redhat.com>
698 * flow.c (struct propagate_block_info): Add mem_set_list_len.
699 (MAX_MEM_SET_LIST_LEN): New.
700 (propagate_one_insn): Update mem_set_list_len.
701 (invalidate_mems_from_autoinc): Likewise.
702 (invalidate_mems_from_set): Likewise.
703 (mark_used_regs): Likewise.
704 (init_propagate_block_info): Likewise. Stop collecting memories
705 when we reach MAX_MEM_SET_LIST_LEN.
706 (mark_set_1): Likewise.
708 2001-01-16 Richard Henderson <rth@redhat.com>
710 * unroll.c (precondition_loop_p): Fail if no iteration
713 2001-01-16 Phil Edwards <pme@sources.redhat.com>
715 * gcc.c: When -fsyntax-only is given, do not complain about
718 2001-01-15 Richard Henderson <rth@redhat.com>
720 * config/i386/i386.c (asm_output_function_prefix): Remove.
721 (ix86_asm_file_end): New.
722 (load_pic_register): Generate pic_label_name into a
723 staticly allocated buffer.
724 * config/i386/i386-protos.h: Update.
725 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
727 * config/i386/i386afe.h: New file.
728 * config.gcc (i?86-*-elf) [tm_file]: Use it.
729 (i?86-*-{freebsd,linux*,moss*}): Likewise.
730 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
731 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
732 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
733 * config/i386/sco5.h (ASM_FILE_END): Likewise.
734 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
736 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
738 * Makefile.in (install-man): Remove explicit dependency on
741 * configure.in, configure: Revert previous patch requiring perl
744 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
746 * toplev.c (flag_guess_branch_prob): New.
747 (f_options): Add guess-branch-probability option.
748 (rest_of_decl_compilation): Only estimate branch probability if
750 (main): set flag_guess_branch_prob.
752 * flags.h (flag_guess_branch_prob): New.
754 2001-01-15 DJ Delorie <dj@redhat.com>
756 * gcc.texi (Makefile): Add documentation for Makefile targets.
758 2001-01-15 Philip Blundell <philb@gnu.org>
760 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
762 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
763 (is_pic): Delete declaration.
764 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
765 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
766 * config/arm/arm.md (builtin_setjmp_receiver): New.
768 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
770 * arm.c (use_return_insn): Don't try to determine the function type
771 until after reload has completed.
772 (arm_output_epilogue): Don't adjust the sp value recovered from the
774 (emit_multi_reg_push): Don't record dwarf information for the pc.
775 * arm.md (eh_epilogue): The function type may have changed, so it
776 needs to be recalculated.
777 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
778 unwind tables on arm/netbsd.
780 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
782 * arm.md (cbranchsi4): Correct calculation of branch ranges.
783 (negated_cbranchsi4): Likewise.
785 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
787 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
788 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
789 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
790 pass -mapcs-* options to assembler.
791 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
792 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
793 (ASM_SPEC): Call subtarget_extra_asm_spec.
795 2001-01-15 Andreas Jaeger <aj@suse.de>
797 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
799 (ix86_expand_builtin): Likewise.
801 * gencodes.c (output_predicate_decls): Make i size_t to avoid
802 warning about comparison between signed and unsigned.
804 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
806 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
808 2001-01-14 Ralf Baechle <ralf@gnu.org>
810 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
811 SUBTARGET_CPP_SPEC apropriatly.
813 2001-01-12 Mark Mitchell <mark@codesourcery.com>
815 * varasm.c (make_decl_rtl): Fix typo in last change.
817 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
819 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
820 linker supports the init_priority C++ attribute.
821 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
822 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
823 linker does not support init_priority C++ attribute.
825 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
827 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
829 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
831 * c-parse.in (finish_parse): Add comment about cpp_destroy.
832 * cp/lex.c (finish_parse): Similarly.
833 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
834 Return the number of errors encountered.
835 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
836 * cppmain.c (main): Don't call cpp_destroy.
838 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
840 * configure.in: Require at least perl 5.6.0 to regenerate
842 * configure: Regenerate.
844 2001-01-14 Richard Henderson <rth@redhat.com>
846 * genrecog.c (DT_veclen_ge): New.
847 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
848 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
849 (nodes_identical_1): Handle DT_veclen_ge.
850 (write_cond, debug_decision_2): Likewise.
852 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
854 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
856 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
858 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
860 * cppmain.c (do_preprocessing): New function; most of the old
862 (main): Call it to do most of the work.
863 (cb): Move from global scope to set_callbacks ().
864 (setup_callbacks): Get the callback pointer.
865 (general_init, printer_init): Clean up code and comments.
867 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
869 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
872 2001-01-14 Kazu Hirata <kazu@hxi.com>
874 * config/h8300/h8300.c (get_shift_alg): Update comments.
876 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
878 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
879 (alloc_page, ggc_alloc): Add casts to remove warnings.
881 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
883 * combine.c (simplify_comparison): Don't change `code' when
884 can't reverse comparison.
886 2001-01-14 Richard Henderson <rth@redhat.com>
888 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
889 update all call sites. Return true for all non-label constants.
891 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
893 * i386.c (ix86_expand_compare): Add bypass_test and second_test
895 (ix86_expand_branch): Update.
896 (ix86_expand_setcc): Update to handle multiple test conditions.
897 (expand_int_movcc): Likewise.
898 (expand_fp_movcc): Likewise.
899 * i386-protos.h (ix86_expand_compare): New.
900 * i386.md (andqi_?_slp, orqi_?_slp): New.
901 (conditional trap expander): Update call to ix86_expand_compare.
903 2001-01-14 Richard Henderson <rth@redhat.com>
905 * config/vax/vax.md: Use nonimmediate_operand instead of
906 general_operand in destinations.
908 * config/vax/vax.md (indirect_jump): Use register_operand.
910 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
911 * config/vax/vax.md (call_pop): Turn into an expander.
912 (call_value_pop): Likewise.
913 (call, call_value): New.
915 2001-01-14 Andreas Jaeger <aj@suse.de>
917 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
919 (ix86_fp_compare_mode): Add unused attribute.
920 (ix86_expand_fp_movcc): Remove unused variable.
921 (ix86_expand_builtin): Make fcode unsigned.
923 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
924 (expand_expr): Add cast to avoid signed warning.
925 (store_field): Likewise.
926 (store_constructor_field): Likewise.
927 (store_constructor): Likewise.
928 (store_expr): Likewise.
929 (clear_storage): Likewise.
930 (emit_group_store): Likewise.
931 (emit_group_load): Likewise.
933 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
935 * c-common.c: Move format checking code to ...
936 * c-format.c: ... here. New file. Reorder some functions and
938 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
940 * c-common.h (decl_handle_format_attribute,
941 decl_handle_format_arg_attribute): Declare.
942 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
943 (c-common.o): Adjust dependencies.
944 (c-format.o): New list of dependencies.
946 2001-01-13 Jakub Jelinek <jakub@redhat.com>
948 * unroll.c (loop_iterations): If we cannot prove iteration variable
949 is set once in each iteration, punt.
951 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
953 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
954 (*strlenhi): Remove clobber (which was buggy) of output address.
956 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
958 * Makefile.in (generated-manpages): Add gcc.1
959 ($(srcdir)/gcc.1): New target.
960 (maintainer-clean): Delete $(srcdir)/gcc.1.
961 * gcc.texi: Add macros @gccoptlist and @gol.
962 * invoke.texi: Include option summary in manpage. Mark up option
963 summary with @gccoptlist and @gol. Use @r in one place where
965 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
966 * gcc.1: Generate from invoke.texi.
968 2001-01-13 Richard Henderson <rth@redhat.com>
970 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
971 (struct page_entry): Add group member.
972 (struct page_group): New.
973 (struct globals): Add page_groups member.
974 (alloc_anon): Only define for using mmap; remove valloc call.
975 (page_group_index): New.
976 (set_page_group_in_use): New.
977 (clear_page_group_in_use): New.
978 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
979 (free_page, release_pages): Likewise.
980 * configure.in (with-gc): Default to ggc-page always.
982 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
984 * reload1.c (replace_pseudos_in_call_usage): Use
985 reg_equiv_constant and reg_equiv_address, and don't try
988 2001-01-13 Richard Henderson <rth@redhat.com>
990 * ggc-page.c (alloc_page): Round up allocation size to one page.
991 Set e->order on extra pages.
993 2001-01-13 Richard Henderson <rth@redhat.com>
995 * genrecog.c (nodes_identical): Expand commentary.
996 (write_switch): Watch out for identical nodes.
998 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1000 * cppfiles.c (_cpp_fake_include): New function.
1001 * cpphash.h (_cpp_fake_include): New.
1002 * cpplib.c (do_line): Call _cpp_fake_include when entering
1003 header files in preprocessed input.
1004 * cppmain.c (cb_pragma_implementation): Remove handling.
1005 (setup_callbacks): Don't register pragmas.
1007 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1009 * extend.texi: Udate for CPP.
1011 2001-01-13 Andreas Jaeger <aj@suse.de>
1013 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1015 * regmove.c: Add prototype for replace_in_call_usage.
1017 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1019 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1020 struct cpp_chunk, struct htab, struct toklist,
1021 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1022 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1023 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1024 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1025 (struct macro_args): Delete.
1026 * cpphash.h: See above.
1028 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1030 * cppmain.c (struct printer): Remove no_line_dirs.
1032 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1033 : Use options rather than CPP_OPTION.
1034 (setup_callbacks): Use cb rather than pfile->cb.
1035 (main): No need to check for a buffer. Use cpp_errors.
1036 (printer_init): Don't set no_line_dirs.
1037 (maybe_print_line): Use options not no_line_dirs.
1038 (cb_file_change): Don't call print_line if -P.
1040 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1042 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1044 * c-parse.in (finish_parse): Use cpp_errors.
1045 (__yylex): Use return value of cpp_pop_buffer.
1046 * cp/lex.c (finish_parse): Use cpp_errors.
1047 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1049 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1051 * README.AVR: URLs corrected.
1053 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1055 * c-decl.c (start_function): Don't warn if old prototype is builtin
1056 that's not in C's namespace.
1057 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1058 (_bb): Add prototype for ctime.
1059 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1061 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1063 * i386.c (ix86_fp_comparison_arithmetics_cost,
1064 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1065 ix86_fp_comparison_cost): New functions.
1066 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1067 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1068 two-branch sequences; make static.
1069 (ix86_use_fcomi_compare): Do decision according to the costs.
1070 (split_fp_branch): New.
1071 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1072 * i386-protos.h (ix86_expand_fp_compare): Remove
1073 (ix86_split_fp_branch): Declare.
1075 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1076 and ix86_comparison_operator.
1078 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1081 * i386.c (put_condition_code): Output properly the unordered/ordered
1082 compares in fp case.
1083 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1085 * tm.texi (REVERSE_CONDITION): Document.
1086 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1087 in -ffast-math mode.
1088 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1090 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1092 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1094 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1097 * config/sh/sh.c (mova_p): Fix test for mova_const.
1099 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1101 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1102 cpp_get_options rather than dereferencing pfile and using
1104 * scan-decls.c (scan_decls): Use return value of
1105 cpp_pop_buffer rather than CPP_BUFFER.
1107 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1109 * cppinit.c (cpp_handle_option): help_only is now part of the
1110 cpp_options structure.
1111 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1112 cpp_set_callbacks): New functions.
1113 * cpplib.h (cpp_callbacks): Break out as a named structure.
1114 (cpp_options): Move help_only here from cpp_reader.
1115 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1116 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1117 cpp_set_callbacks): New prototypes.
1118 * cppmain.c (main): Update for help_only.
1120 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1122 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1123 Also build and remove and install and uninstall c-tree.info and
1125 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1126 ($(srcdir)/cppinternals.info): New target.
1127 * c-tree.texi: Change file name used when makeinfo used without -o
1128 from ir.info to c-tree.info. Add info directory entry.
1129 * cppinternals.texi: Add info directory entry.
1130 * .cvsignore: Update.
1132 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1134 * c-typeck.c (store_init_value): Don't require constant initializer
1135 elements with -pedantic -std=c99.
1136 (digest_init): Change error about non-constant initializer elements
1138 (constructor_range_end): Remove.
1139 (constructor_incremental, designator_depth,
1140 designator_errorneous): New variables.
1141 (struct constructor_stack): Remove range_end, add incremental.
1142 (struct constructor_range_stack, constructor_range_stack): New.
1143 (struct initializer_stack): Add constructor_range_stack.
1144 (finish_init): Set it.
1145 (start_init): Likewise. require_constant_elements for non-static
1146 trees only if not flag_isoc99.
1147 (really_start_incremental_init): Remove constructor_range_end, add
1148 constructor_incremental.
1149 (pop_init_level): Likewise.
1150 (push_init_level): Likewise. If implicit and the subobject had some
1151 value set already, preinitialize the level with it.
1152 Warn about missing braces only if not pushing due to designators.
1153 (set_designator, push_range_stack): New functions.
1154 (set_init_label): Use them.
1155 (set_init_index): Likewise. Remove constructor_range_end.
1156 Error if designator index is outside of array bounds.
1157 (add_pending_init): Compare values of purpose index trees, not the
1158 trees themselves. Allow overwriting of already initialized element.
1159 Issue a warning if it had side-effects.
1160 (set_nonincremental_init, set_nonincremental_init_from_string): New
1162 (pending_init_member): Rename to...
1163 (find_init_member): ...this function. Call set_nonincremental_init
1164 if necessary. Compare values of purpose index trees, not the trees
1165 themselves. Return the actual value, not just non-zero if something
1167 (output_init_element): Remove checks for duplicates.
1168 If field has zero size, only check the initializer for correctness.
1169 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1170 if constructor_incremental is zero. Change error about initializers
1171 not computable at load time into pedwarn.
1172 (output_pending_init_elements): Compare bit positions, not
1173 FIELD_DECLs to take into account zero-sized fields.
1174 (process_init_element): Use constructor_range_stack to fill all
1175 ranges in the designator lists from current level up.
1176 * extend.texi: Update documentation for labeled elements.
1178 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1180 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1181 to function usage for arguments passed by reference. Optimize
1182 callee-copied arguments.
1183 * regmove.c (replace_in_call_usage): New function.
1184 (fixup_match_1): Call it.
1185 * cse.c (cse_insn): Canonicalize registers in function usage.
1186 * reload1.c (replace_pseudos_in_call_usage): New function.
1189 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1192 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1194 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1197 2001-01-12 DJ Delorie <dj@redhat.com>
1199 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1200 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1203 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1205 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1206 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1207 -std options alongside references to -ansi. Update some
1208 documentation for C99.
1209 * cpp.1: Regenerate.
1211 2001-01-12 Andreas Jaeger <aj@suse.de>
1213 * haifa-sched.c (restore_line_notes): Remove argument block B
1215 * sched-ebb.c (schedule_ebb): Change caller.
1216 * sched-rgn.c (schedule_region): Likewise.
1217 * sched-int.h (restore_line_notes): Adjust prototype.
1219 * loop.h: Remove wrong declaration of doloop_condition_get.
1221 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1223 * extend.texi: Move C++-extension-related node from the C section
1224 into the C++ section.
1226 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1228 * extend.texi: Refer to an array of pointers to functions instead
1229 of one of functions.
1231 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1232 Jan Hubicka <jh@suse.cz>
1234 * combine.c (reversed_comparison): Fix typo in last patch.
1236 (combine_reversed_comparison_code): Make static to follow
1237 prototype declaration.
1239 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1241 * install.texi: Remove misplaced duplicate entry.
1243 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1245 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1247 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1249 * final.c: (leaf_function_p): Fix typo.
1251 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1253 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1254 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1256 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1257 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1258 mmap_anon, and valloc is available.
1259 * ggc-page.c: Restructure ifdef logic to match new autoconf
1260 spec. Don't throw away the test page in init_ggc.
1262 * configure, config.in: Regenerate.
1264 2001-01-12 Michael Hayes <mhayes@redhat.com>
1266 * loop.h (total_biv_increment): Constify iv_class pointer.
1267 (struct induction): Replace `mem_mode' with `mem' rtx.
1268 * unroll.c (total_biv_increment): Constify iv_class pointer.
1269 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1270 (find_mem_givs, combine_givs_p): Likewise.
1271 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1273 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1275 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1277 (__gthread_getspecific): Ditto.
1279 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1281 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1282 put_condition_code): Convert fp comparison codes to integer
1284 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1287 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1288 * i386-protos.h (no_comparison_operator): Kill.
1290 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1292 * combine.c (REVERSIBLE_CC_MODE): Remove.
1293 (reversible_comparison_p): Remove.
1294 (combine_reversed_comparison_code): New.
1295 (reversed_comparison): New.
1296 (combine_simplify_rtx): Use
1297 combine_reversed_comparison_code/reversed_comparison instead
1298 of reversible_comparison_p.
1299 (simplify_if_then_else): Likewise.
1300 (simplify_set): Likewise.
1301 (simplify_logical): Likewise.
1302 (if_then_else_cond): Likewise.
1303 (known_cond): Likewise.
1304 (simplify_comparison): Likewise.
1306 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1308 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1309 sizeof (int) is larger than sizeof(__word__).
1311 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1313 * cppinit.c (do_includes): Fix typo.
1315 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1317 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1318 in S_REGS does not occur because not all sources are possible
1319 when a S_REGS is a destination (sometimes needs a clobber).
1320 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1321 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1322 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1323 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1324 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1325 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1326 (lshrdi_const1, lshrsi3_const16): Likewise.
1327 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1328 (*movhi_68hc12, *movqi_68hc12): Likewise.
1329 (movstrictqi): Make sure reloading in D_REGS as a destination
1332 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1334 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1336 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1338 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1339 -D, -U and -A, and don't initialize the builtins.
1340 (do_includes): Error if -include or -imacros with -fpreprocessed.
1341 * cppmain.c (cb_define, cb_undef): Unconditionally process
1343 * tradcpp.c (main): Fix typo.
1345 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1347 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1348 (read_name_map): Use IS_ABSOLUTE_PATH.
1349 * tradcpp.c (get_filename): Likewise.
1351 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1353 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1354 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1355 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1356 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1357 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1358 (cmphi_z_used): Don't use '@' for the output.
1359 (tstqi_z_used): Likewise.
1360 (cmpqi_z_used): Likewise.
1361 (one_cmplsi2): Likewise.
1363 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1365 * config/sh/sh.c (barrier_align): Recognize branch around far
1366 branch and redundant insn.
1368 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1370 * invoke.texi: Restore documentation of the drivers' switches -MD
1373 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1375 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1377 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1378 check-objc//%): Support parallel testing of multilibs.
1379 (TESTSUITEDIR): Set to testsuite by default, but override for
1381 (check-gcc, check-g++, check-g77, check-objc): Enter
1384 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1386 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1387 * sched-deps.c (deps_may_trap_p): Likewise.
1388 * basic-block.h: Remove a comment.
1389 * flow.c (PROP_POSTRELOAD): Remove.
1390 (update_life_info): Don't add it to prop_flags.
1391 (mark_set_1): Lose the code that was enabled by it.
1393 2001-01-11 Michael Hayes <mhayes@redhat.com>
1395 * flow.c (flow_call_edges_add): New.
1396 * basic_block.h (flow_call_edges_add): New.
1398 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1400 * reload1.c (move2add_note_store): Update reg_set_luid even if
1401 base reg remains the same.
1403 2001-01-10 Nick Clifton <nickc@redhat.com>
1405 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1406 machine_function structure to zero.
1407 Add prototypes for machine_status functions.
1409 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1411 * c-common.h (CTI_VOID_LIST): Remove.
1412 (void_list_node): Likewise.
1413 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1414 (void_list_node): New macro.
1415 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1416 * config/i386/i386.c (ix86_init_builtins): Likewise.
1417 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1419 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1421 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1422 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1424 * tradcpp.c: Include mkdeps.h.
1425 (deps, print_deps_phony_targets, deps_append, output_deps,
1426 init_dependency_output, output_deps): New.
1427 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1428 deps_output): Delete.
1429 (print_deps_missing_files): Rename deps_missing_files.
1430 (inhibit_output): Make global.
1431 (main): Delete inhibit_output, deps_stream, deps_target.
1432 Use mkdeps functionality in the same way as cpplib. Remove
1433 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1434 -M and -MM. Remove old handling of deps via deps_out, and
1435 old reading of environment variables.
1436 (get_filename): Update to use deps_add_dep.
1438 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1440 * output.h (make_function_rtl): Remove prototype.
1441 (make_decl_rtl): Likewise.
1442 * varasm.c (make_function_rtl): Remove.
1443 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1444 than from a third parameter.
1445 * tree.h (make_decl_rtl): Remove last parameter.
1446 * c-decl.c (builtin_function): Remove last argument in call to
1447 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1448 (start_function): Likewise.
1449 * except.c (call_get_eh_context): Likewise.
1450 * expr.c (emit_block_move): Likewise.
1451 (clear_storage): Likewise.
1452 * profile.c (output_func_start_profiler): Likewise.
1453 * toplev.c (rest_of_decl_compilation): Likewise.
1454 * objc/objc-act.c (create_builtin_decl): Likewise.
1455 (synth_module_prologue): Likewise.
1456 (generate_static_reference): Likewise.
1457 (build_selector_reference_decl): Likewise.
1458 (build_class_reference_decl): Likewise.
1459 (build_objc_string_decl): Likewise.
1460 (build_protocol_reference): Likewise.
1462 2001-01-10 Richard Henderson <rth@redhat.com>
1464 * hwint.h: Revert yesterday's change.
1466 2001-01-10 Nick Clifton <nickc@redhat.com>
1468 * function.h (save_machine_status): Delete.
1469 (restore_machine_status): Delete.
1470 Amend comment describing {init|mark|free}_machine_status.
1472 * function.c (save_machine_status): Delete.
1473 (restore_machine_status): Delete.
1474 Amend comment describing {init|mark|free}_machine_status.
1475 (push_function_context_to): Remove invocation of
1476 save_machine_status.
1477 (pop_function_context_from): Remove invocation of
1478 restore_machine_status.
1480 * emit-rtl.c (init_emit_once): Amend comment describing
1481 {init|mark|free}_machine_status.
1483 * tm.texi (Per-Function Data): New node. Describe the
1484 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1487 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1489 * cppinit.c (OPT_g): Remove.
1490 (cpp_handle_option): Update for removed -g3.
1491 (print_help): Update.
1492 * cpplib.h (struct cpp_options): Remove debug_output.
1493 * cppmain.c (setup_callbacks, cb_define): Update.
1494 * gcc.c (cpp_options): Translate -g3 to -dD.
1496 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1498 * config/i960/i960.md: Change modifier to + on the zero_extract
1499 pattern after the (rotate -2 reg) canonicalization pattern.
1501 2001-01-10 Richard Henderson <rth@redhat.com>
1503 * config/alpha/alpha.c (alpha_free_machine_status): New.
1504 (override_options): Install it.
1505 (alpha_mark_machine_status): Verify machine non-null.
1506 * config/i386/i386.c (ix86_free_machine_status): New.
1507 (override_options): Install it.
1508 (ix86_init_machine_status): Use xcalloc.
1509 (ix86_mark_machine_status): Verify machine non-null.
1510 * config/ia64/ia64.c (ia64_free_machine_status): New.
1511 (ia64_override_options): Install it.
1512 (ia64_mark_machine_status): Verify machine non-null.
1514 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1516 * function.c (instantiate_virtual_regs): Instantiate virtual
1517 registers found in CALL_INSN_FUNCTION_USAGE.
1519 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1521 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1522 equivalent to -ansi in disabling -Di386.
1524 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1526 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1528 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1530 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1532 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1534 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1536 * invoke.texi: Document that -fcond-mismatch isn't supported for
1539 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1541 * gcc.texi: Define macro gcctabopt.
1542 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1543 @command, @env and @option in some places where appropriate. Use
1544 @gcctabopt where appropriate. Put URLs and email addresses inside
1547 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1549 * gcc.c (cpp_options): Set MD file name from output
1550 filename, if specified.
1551 (suffix_subst): New static variable.
1552 (do_spec): Clear it.
1553 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1555 (give_switch): Handle suffix_subst.
1557 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1559 * invoke.texi: Fix another typo.
1561 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1563 * invoke.texi: Fix typo.
1565 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1567 * c-lang.c (lang_hooks): Update.
1568 (lang_decode_option): Remove.
1569 (lang_init_options): Rename c_init_options.
1570 * toplev.c (main): Use lang_hooks for lang_init_options
1571 and lang_decode_option.
1572 * toplev.h (lang_hooks): Add 2 new hooks.
1573 * tree.h: Remove lang_init_options and lang_decode_option.
1574 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1575 * cp/decl2.c: Similarly.
1576 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1577 (lang_hooks): Update.
1578 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1580 (lang_init_options): Rename ffe_init_options.
1581 (lang_hooks): Update.
1582 (lang_decode_option): Remove.
1583 * java/lang.c (lang_init_options): Rename java_init_options.
1584 (lang_decode_option): Rename java_decode_option.
1585 (lang_hooks): Update.
1586 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1587 (lang_decode_option): Rename objc_decode_option.
1588 (lang_hooks): Update.
1590 2001-01-09 Nick Clifton <nickc@redhat.com>
1592 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1593 (d30v_return_addr_rtx): Delete.
1594 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1595 cfun->machine structure.
1596 (struct machine_function): Move to d30v.h
1597 (d30v_save_machine_status): Delete.
1598 (d30v_restore_machine_status): Delete.
1599 (d30v_init_machine_status): New Function.
1600 (d30v_mark_machine_status): New Function.
1601 (d30v_free_machine_status): New Function.
1602 (d30v_init_expanders): Use new functions.
1603 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1604 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1605 d30v_return_addr_rtx.
1607 * config/d30v/d30v.h (struct_machine): Move here.
1608 Add eh_epilogue_sp_ofs field.
1610 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1611 field in cfun->machine structure.
1613 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1615 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1616 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1617 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1619 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1621 * objc/lang-options.h: Remove bogus reference to
1624 2001-01-09 Kazu Hirata <kazu@hxi.com>
1626 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1629 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1631 * reload.c (find_reloads_address): Check for eliminable registers
1632 when substituting a constant expression for a pseudo.
1634 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1636 * c-common.c (enum format_type): Add format_type_error.
1637 (decode_format_type): New function.
1638 (decl_attributes): Use it.
1639 (format_kind_info): Adjust comment.
1641 2001-01-09 David O'Brien <obrien@BSDi.com>
1643 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1644 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1646 * config/i386/gnu.h: Don't include required platform specific .h files,
1647 tm.h will do it instead.
1648 * config/i386/i386elf.h: Likewise.
1649 * config/i386/linux.h: Likewise.
1650 * config/i386/moss.h: Likewise.
1651 * config/mips/gnu.h: Likewise.
1653 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1655 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1656 (rs6000-ibm-aix3.[01]*): Likewise.
1657 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1658 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1659 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1660 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1661 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1662 (powerpc-*-eabiaix*): Likewise.
1663 (powerpc-*-eabisim*): Likewise.
1664 (powerpc-*-elf*): Likewise.
1665 (powerpc-*-eabi*): Likewise.
1666 (powerpc-*-rtems*): Likewise.
1667 (powerpc-*-linux*libc1): Likewise.
1668 (powerpc-*-linux*): Likewise.
1669 (powerpc-wrs-vxworks*): Likewise.
1670 (powerpcle-wrs-vxworks*): Likewise.
1671 (powerpcle-*-sysv*): Likewise.
1672 (powerpcle-*-elf*): Likewise.
1673 (powerpcle-*-eabisim*): Likewise.
1674 (powerpcle-*-eabi*): Likewise.
1675 (powerpcle-*-solaris2*): Likewise.
1676 * config/rs6000/aix31.h: Delete includes.
1677 * config/rs6000/aix3newas.h: Likewise.
1678 * config/rs6000/aix41.h: Likewise.
1679 * config/rs6000/aix43.h: Likewise.
1680 * config/rs6000/beos.h: Likewise.
1681 * config/rs6000/rtems.h: Likewise.
1682 * config/rs6000/sysv4.h: Likewise.
1684 2001-01-09 Kazu Hirata <kazu@hxi.com>
1686 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1687 Change an argument mode of machine_mode to shift_mode of
1688 shift_mode. Remove an extra error check.
1689 (emit_a_shift): Adopt to the new calling prototype of
1691 (function_prologue): Fix code for a monitor
1692 function. Support H8/S.
1693 (function_epilogue): Do not output pop for a monitor function.
1695 2001-01-09 Nick Clifton <nickc@redhat.com>
1697 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1698 (setup_incoming_varargs): Use sysv_varargs_p field of the
1699 cfun->machine structure.
1700 (struct machine_function): Move to rs6000.h
1701 (rs6000_save_machine_status): Delete.
1702 (rs6000_restore_machine_status): Delete.
1703 (rs6000_init_machine_status): New Function.
1704 (rs6000_free_machine_status): New Function.
1705 (rs6000_init_expanders): Use new functions.
1707 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1709 (struct machine_function): Move here.
1711 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1712 sysv_varargs_p field of the cfun->machine structure.
1714 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1716 (rs6000_restore_machine_status): Remove prototype.
1718 2001-01-09 Richard Henderson <rth@redhat.com>
1720 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1721 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1722 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1723 (sched_analyze_2, sched_analyze_insn): Likewise.
1724 (sched_analyze, init_deps): Likewise.
1725 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1726 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1727 (compute_block_backward_dependences): Update propagate_deps call.
1729 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1731 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1733 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1735 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1736 (cpp_handle_option): Handle them.
1737 (cpp_post_options): Ensure one of -M or -MM is specified with
1738 any other -M? option.
1739 (init_dependency_output): Suppress output with -MG.
1741 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1744 * invoke.texi: Update.
1746 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1748 * sh.md (reload_outsf): Generate recognizable patterns for
1751 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1753 * c-lang.c (lang_hooks): Update.
1754 (lang_init): Rename c_init.
1755 (lang_finish): Remove.
1756 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1758 * toplev.h (lang_hooks): Add init () and finish ().
1759 * tree.h (lang_init, lang_finish): Remove.
1760 * cp/tree.h (lang_init, lang_finish): Remove.
1761 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1762 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1764 (lang_init, lang_finish): Remove.
1765 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1766 (lang_hooks): Update.
1767 * java/lang.c (lang_init): Rename java_init.
1768 (lang_finish): Remove.
1769 (lang_hooks): Update.
1770 * objc/objc-act.c (lang_init): Rename objc_init.
1771 (lang_finish): Remove.
1772 (lang_hoooks): Update.
1774 20001-01-09 Graham Stott <grahams@redhat.com>
1776 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1777 after `ptr` is initialised.
1779 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1781 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1782 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1783 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1784 stack adjusts, instead of r3.
1786 2001-01-09 Michael Hayes <mhayes@redhat.com>
1788 * flow.c (flow_loop_scan): Break out of ...
1789 (flow_loops_find) ... here.
1790 * basic-block.h (flow_loop_scan): New.
1791 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1792 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1794 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1796 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1798 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1799 realloc()ing macro_buffer.
1801 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1802 if it's wider than long and the target's long is wider than the
1805 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1807 Remove support for using UWIN as a host machine.
1808 * configure.in: Issue an error message.
1809 * configure: Regenerated.
1810 * config.gcc: Remove xm_* UWIN configury.
1811 * config/i386/xm-uwin.h: Remove.
1813 2001-01-08 Nick Clifton <nickc@redhat.com>
1815 * config/v850/v850.c (ra_rtx): Delete.
1816 (v850_save_machine_status): Delete.
1817 (v850_restore_machine_status): Delete.
1818 (v850_init_machine_status): New function.
1819 (v850_mark_machine_status): New function.
1820 (v850_free_machine_status): New function.
1821 (v850_return_addr): Use ra_rtx field in machine structure.
1822 (v850_init_expanders): Use new functions.
1824 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1825 * config/v850/v850.c: Change arguments to v850_output+* functions
1826 to take a const char *, to avoid compile time warning.
1827 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1828 (USER_LABEL_PREFIX): Redefine.
1830 2000-01-08 Jim Wilson <wilson@redhat.com>
1832 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1833 1 to unsigned HOST_WIDE_INT before left shift.
1835 2001-01-08 Nick Clifton <nickc@redhat.com>
1837 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1838 the machine structure has been allocated.
1839 (arm_free_machine_status): New function: Free the machine
1840 specific function structure.
1842 2001-01-08 Richard Henderson <rth@redhat.com>
1844 * jump.c (simplejump_p): Revert last change.
1846 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1848 * cppinit.c (init): Rename init_library.
1849 (cpp_create_reader): Update.
1850 * gcc.c (cpp_options): If -o given, use it as the target of
1853 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1855 * arm.c (arm_arch5e): New variable.
1856 (all_cores): XScale is a 5TE device.
1857 (arm_override_options): Set arm_arch5e.
1858 (arm_init_builtins): __builtin_prefetch is in arch5e.
1859 * arm.h (arm_arch5e): Declare it.
1861 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1863 * arm.md (define_constants): Add defines for UNSPEC and
1864 UNSPEC_VOLATILE insns. Update all users.
1865 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1866 * arm.c (multi_register_push, note_invalid_constants)
1867 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1868 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1869 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1871 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1873 * jump.c (jump_optimize_1): Use reversed_comparison_code
1874 instead of can_reverse_comparison_p.
1875 (jump_back_p): Likewise.
1876 (invert_exp_1): Likewise.
1877 (thread_jumps): Likewise.
1878 * simplify-rtx.c (simplify_unary_operation): Likewise.
1879 (simplify_ternary_operation): Likewise.
1880 * cse.c (find_comparison_args): Convert to use
1881 can_reverse_comparison_p.
1882 (record_jump_equiv): Likewise.
1884 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1886 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1887 (EPILOGUE_USES): Define.
1888 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1889 automatically stack the LR if it isn't live.
1891 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1893 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1896 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1898 * ggc-page.c (max_alignment): New structure.
1899 (MAX_ALIGNMENT): New macro.
1900 (init_ggc): Use it to round up the sizes in the
1901 extra_order_size_table.
1903 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1905 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1908 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1910 * builtins.def (BUILT_IN_FPRINTF): New entry.
1912 * c-common.c (c_expand_builtin_fprintf): New function.
1913 (init_function_format_info): Handle __builtin_fprintf.
1914 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1915 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1917 * c-decl.c (duplicate_decls): Adjust comment.
1919 * extend.texi (fprintf): Document new builtin.
1921 2001-01-07 Richard Henderson <rth@redhat.com>
1923 * jump.c (simplejump_p): Recognize any single_set jump
1926 2001-01-07 Richard Henderson <rth@redhat.com>
1928 * configure.in (slibdir): Accept an --with-slibdir option.
1929 Use "test" not "[" in configure. Default to $(libdir).
1931 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1933 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1934 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1935 (SHLIB_LINK): Create links for the soname.
1936 * config/mips/t-iris6: Likewise.
1937 * config/sparc/t-slibgcc: Likewise.
1938 * config/sparc/t-slibgcc-sld: Likewise.
1940 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1942 * config/i386/i386.c (constant_call_address_operand): Accept
1943 (const (plus (symbol_ref) (const_int))).
1944 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1945 constant_call_address_operand.
1947 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1949 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1950 and LONG_LONG_TYPE_SIZE > 32.
1952 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1954 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1955 the previous change.
1957 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1959 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1961 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1962 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1963 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1966 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1968 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1970 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1972 * c-lang.c (c_post_options): Call cpp_post_options.
1973 * objc/objc-act.c (objc_post_options): Similarly.
1974 * cppmain.c (main): Similarly.
1975 * fix-header.c (read_scan_file): Similarly.
1976 * cppinit.c (cpp_start_read): Move option consistency checks
1977 to cpp_post_options. Don't call init_dependency_output.
1978 If needed, add default target and main file dependency.
1979 (OPT_MD, OPT_MMD): Remove.
1981 (cpp_handle_option): Update for OPT_* changes.
1982 (cpp_post_options): New.
1983 (init_dependency_output): Command line -MF overrides environment
1984 variables. Don't set default target etc. Suppress output
1985 if dependencies are going to stdout.
1986 (print_help): Update.
1987 * cpplib.h (cpp_post_options): New.
1988 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1990 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1992 * jump.c (comparison_dominates_p): Support unordered compares.
1994 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1996 * simplify-rtx.c (simplify_relational_operation): Always simplify
1997 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2000 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2002 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2003 (nonzero_bits): Likewise.
2004 (simplify_comparison): Likewise.
2005 (num_sign_bit_copies): Likewise; return more sane value depending
2006 on STORE_FLAG_VALUE.
2007 (known_cond): Do not assume EQ to be always true for equivalent
2010 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2012 * cse.c (fold_rtx): Handle unordered comparisons.
2014 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2016 * rtlanal.c (set_of_1): New static function.
2017 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2018 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2019 reg_set_last_last_regno): Remove.
2020 (set_of): New global function.
2021 (set_of_data): New structure.
2022 (reg_set_p, reg_set_last): Revamp for set_of.
2023 * rtl.h (set_of): New.
2025 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2027 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2028 * extend.texi: Document _Exit builtin.
2030 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2032 * (initialize, initialize_builtins,
2033 initialize_dependency_output, initialize_standard_includes):
2034 Rename s/initialize/init. Update.
2035 (init_dependency_output): Move to after
2036 cpp_handle_options, the correct location temporally at least.
2037 (opt_comp): Move next to init (), its caller. Fix prototype.
2038 (init): Make "initialized" local scope.
2039 (cpp_create_reader): Always call init ().
2040 (cpp_start_read): Update.
2041 (output_deps): New function, broken out of cpp_finish.
2042 (cpp_finish): Break out output_deps.
2044 2001-01-07 Richard Henderson <rth@redhat.com>
2046 * collect2.c (COFF specific stuff): Revert 12-06 patch
2047 to prototype system functions.
2049 2001-01-07 Michael Hayes <mhayes@redhat.com>
2051 * hard-reg-set.h: Add multiple include guard.
2052 * basic-block.h (struct loop): Add `sink' field.
2053 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2054 (emit_iv_add_mult): Delete.
2055 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2056 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2057 (unroll_loop): Remove end_insert_before argument.
2058 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2059 (maybe_eliminate_biv_1): Likewise.
2060 (emit_iv_add_mult): Delete.
2061 (gen_add_mult, loop_regs_update): New.
2062 (loop_insn_emit_after, loop_insn_emit_before): New.
2063 (loop_insn_sink, loop_insn_sink_or_swim): New.
2064 (emit_iv_add_mult): Delete.
2065 (scan_loop): Set loop->sink.
2066 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2067 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2068 (maybe_eliminate_biv_1): Likewise.
2069 (maybe_eliminate_biv_1): Add basic block argument.
2070 * unroll.c (unroll_loop): Remove end_insert_before argument.
2071 (find_splittable_regs): Likewise.
2072 (find_splittable_regs): Use loop_insn_sink and its ilk.
2073 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2075 2001-01-07 Michael Hayes <mhayes@redhat.com>
2077 * loop.h (loop_insn_hoist): New prototype.
2078 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2079 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2080 (check_dbra_loop, load_mems): Likewise.
2081 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2082 (find_splittable_givs): Likewise.
2084 2001-01-07 Michael Hayes <mhayes@redhat.com>
2086 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2088 2001-01-07 Richard Henderson <rth@redhat.com>
2090 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2092 2001-01-07 Richard Henderson <rth@redhat.com>
2094 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2095 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2096 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2097 variant that handles a shared libgcc.
2098 (process_command): Always validate -{static,shared}-libgcc.
2099 (do_spec_1): New 'M' case.
2100 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2102 2001-01-07 Richard Henderson <rth@redhat.com>
2104 * Makefile.in (slibdir): New variable.
2105 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2106 (installdirs): Create slibdir.
2107 (install-libgcc, install-multilib): Defer to libgcc.mk.
2108 * configure.in (slibdir): Substitute.
2109 * mklibgcc.in (install): New target.
2111 * config/t-linux (SHLIB_LINK): Create links for the soname.
2112 (SHLIB_INSTALL): New.
2113 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2114 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2115 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2116 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2117 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2119 2001-01-07 Richard Henderson <rth@redhat.com>
2121 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2122 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2123 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2125 2001-01-07 Michael Hayes <mhayes@redhat.com>
2127 * loop.c (count_loop_regs_set): Delete.
2128 (load_mems_and_recount_loop_regs_set): Delete.
2129 (loop_regs_scan): Merge common code from count_loop_regs_set,
2130 scan_loop, and load_mems_and_recount_loop_regs_set.
2131 (scan_loop): Call load_mems directly and loop_regs_scan
2132 again if new registers created.
2134 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2136 * toplev.c (main): Call the front-end specific post_options
2137 hook if one is given.
2138 * toplev.h (struct_lang_hooks, lang_hooks): New.
2139 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2140 for the C front end.
2141 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2142 lang_hooks for the C++ front end.
2143 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2144 lang_hooks for the ObjC front end.
2145 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2146 * java/lang.c (lang_hooks): Hooks for the Java front end.
2148 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2150 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2151 for verbose DWARF[2] debugging.
2152 (cb_define, cb_undef): The new callbacks.
2153 * toplev.h (debug_define, debug_undef): Make const correct.
2154 * toplev.c (debug_define, debug_undef): Similarly. Do not
2155 perform the verbosity tests here anymore.
2157 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2159 * reload.c (subst_reloads): Take INSN argument. When
2160 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2161 * reload.h (subst_reloads): Adjust prototype.
2162 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2163 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2164 present in JUMP_INSNs and copy them to JUMP_LABEL.
2165 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2166 JUMP_INSNs and insns with REG_LABELs that are followed by
2167 JUMP_INSNs with the same REG_LABEL.
2168 * sched-rgn.c (is_cfg_nonregular): Likewise.
2169 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2171 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2173 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2175 2001-01-06 Richard Henderson <rth@redhat.com>
2177 * loop.c (scan_loop): Use xcalloc for the regs array.
2178 (load_mems_and_recount_loop_regs_set): Zero the new memory
2179 received from xrealloc.
2181 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2183 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2185 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2187 * integrate.c (copy_rtx_and_substitute): When copying
2188 an ignored return value, strip REG_FUNCTION_VALUE_P.
2190 2001-01-06 Michael Hayes <mhayes@redhat.com>
2192 * loop.c (debug_biv, debug_giv): New.
2193 (loop_biv_dump): Break out from ...
2194 (record_biv): ... here.
2195 (loop_giv_dump): Break out from ...
2196 (record_giv): ... here.
2197 (loop_bivs_check): Use print_simple_rtl.
2198 * unroll.c (loop_iterations): Use print_simple_rtl.
2200 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2202 * pa.md (return, return_internal): Modify patterns to prevent regrename
2203 mucking with the return pointer.
2205 2001-01-05 Richard Henderson <rth@redhat.com>
2207 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2209 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2211 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2212 version supplied by Matteo Frigo.
2214 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2216 * cpp.texi: Update for -MQ.
2217 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2218 (cpp_cleanup): Always free pfile->deps.
2219 (initialize_dependency_output): Don't create pfile->deps.
2220 (cpp_handle_option): Similarly.
2222 * gcc.c (cpp_options): Handle -MQ.
2223 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2224 * mkdeps.c (base_name): Remove.
2225 (deps_init): Don't allocate vector space until it's needed.
2226 (deps_free): Only free vectors if allocated.
2227 (deps_add_target, deps_add_dep): Update for initial allocation.
2228 (deps_add_default_target): Don't strip to the base_name.
2230 2001-01-05 DJ Delorie <dj@redhat.com>
2232 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2233 (INIT_EXPANDERS): Define.
2235 * config/v850/v850.c (struct machine_function): Define.
2236 (v850_save_machine_status): New function.
2237 (v850_restore_machine_status): New function.
2238 (v850_return_addr): New function.
2239 (v850_init_expanders): New function.
2241 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2242 and v850_init_expanders.
2244 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2246 * cpplib.h (struct cpp_reader): Add help_only field.
2247 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2248 (cpp_handle_option): Set pfile->help_only if we see -h,
2249 --help, -target-help, or --version. Print version string but
2250 do not set help_only if we see -v or -version. Make text
2251 printed by -v match that printed by (-)-version.
2253 * cppmain.c (main): Exit after option parsing if
2254 pfile->help_only is true.
2256 * toplev.c (independent_decode_option): Call print_version,
2257 then exit, if we see --version (but not -version).
2258 (print_version): Split lengthy message into two lines.
2260 2001-01-05 Nick Clifton <nickc@redhat.com>
2262 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2263 temporary string for initialisation before calling ggc_alloc_string.
2265 2001-01-06 Michael Hayes <mhayes@redhat.com>
2267 * rtl.h (print_simple_rtl): New.
2268 * print-rtl.c (print_simple_rtl): New.
2270 (print_rtx): Disable printing of flags and modes, etc.,
2271 if `flag_simple` nonzero.
2273 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2275 * function.c (fixup_var_refs): Use push_to_full_sequence where
2278 2001-01-05 Michael Meissner <meissner@redhat.com>
2280 * flags.h (flag_reorder_blocks): Add declaration.
2281 (flag_rename_block): Ditto.
2283 2001-01-05 DJ Delorie <dj@redhat.com>
2285 * function.c (reorder_blocks): Make sure the flags are all reset
2286 before using them to mark blocks, else a second invocation will
2287 corrupt the block chain.
2288 (reorder_blocks_0): New, resets the flags.
2290 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2292 * cse.c (find_comparison_args): Stop if the argument is known to
2295 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2297 * config/sh/sh.md (movdf): When splitting load into pair of
2298 registers, don't clobber the register used in the address too
2301 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2303 * varasm.c (mark_constant_pool): Improve initial comments.
2304 (mark_constants): Move marking of constants to mark_constant.
2305 (mark_constant): New function to recursively mark all constants
2306 referred to by a constant.
2308 2001-01-05 Catherine Moore <clm@redhat.com>
2310 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2312 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2314 * cp/lang-options.h: Bring comment in line with reality.
2315 * f/lang-options.h: Likewise.
2316 * java/lang-options.h: Likewise.
2317 * objc/lang-options.h: Likewise.
2318 * ch/lang-options.h: Likewise.
2319 * f/g77.texi: And update the manual.
2321 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2322 Denis Chertykov <denisc@overta.ru>
2324 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2325 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2326 * config/avr/avr.md (all peepholes that request a scratch register):
2327 Call it, FAIL the peephole if not safe (in interrupt functions).
2329 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2331 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2333 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2335 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2337 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2338 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2339 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2340 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2341 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2343 * extend.texi: Document these builtins.
2345 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2347 * c-common.c (lang_get_alias_set): Say we know nothing of
2348 VECTOR_TYPE aliasing.
2350 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2352 2001-01-05 Bruce Korb <bkorb@gnu.org>
2354 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2355 their x* equivalent versions for atexit-less systems
2356 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2357 systems (or any other system any more).
2359 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2361 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2362 output operands. Use arm_hard_register_operand for operand 4.
2363 (stmsi_postinc): Similarly.
2364 (ldmsi): Use arm_hard_register_operand for opernand 2.
2366 * arm.c (arm_hard_register_operand): New function.
2367 * arm-protos.h (arm_hard_register_operand): Prototype it.
2369 * arm.h (HARD_REGNO_RENAME_OK): Define.
2371 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2373 * simplify-rtx.c (cfc_args): add "unordered" field.
2374 (check_fold_consts): Set unordered field.
2375 (simplify_relational_operation): Simplify the unordered
2378 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2381 * emit-rtl.c (try_split): Fix code to mark labels.
2382 * jump.c (mark_jump_label): Make global.
2383 * rtl.h (mark_jump_label): Declare.
2385 * predict.c (estimate_probability): Handle unordred comparisons.
2387 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2389 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2390 * cppinit.c (initialize_dependency_output): Update.
2391 (cpp_finish): Output dummy targets for -MP.
2393 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2394 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2395 * gcc.c (cpp_options): Update to handle -MP.
2396 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2397 to quote only the default target.
2398 (deps_phony_targets): Insert a preceding newline. Rename from
2399 deps_dummy_targets for consistency.
2402 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2404 * calls.c (emit_library_call_value_1): Support
2405 INIT_CUMULATIVE_LIBCALL_ARGS.
2406 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2408 2001-01-04 Richard Henderson <rth@redhat.com>
2410 * c-decl.c (finish_struct): Detect flexible array members
2411 used in an inappropriate context.
2412 * c-typeck.c (really_start_incremental_init): Special case
2413 constructor_max_index for zero length arrays.
2414 (pop_init_level): Allow initialization of flexible array
2415 members. Deprecate initialization of zero length arrays.
2416 Don't issue missing initializer warning for flexible array
2417 members or zero length arrays.
2418 (process_init_element): Don't dereference null DECL_SIZE.
2419 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2420 Don't abort for empty constructors. Use size_binop
2421 (output_constructor): Add commentary regarding zero length
2422 array futures. Abort if we try to initialize an array of
2423 unspecified length with a non-empty constructor in the middle
2426 * extend.texi (Zero Length): Update and clarify documentation
2427 on static initialization.
2429 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2431 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2432 with more than 32767 words of local storage.
2434 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2436 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2437 for 'abs', 'labs', and 'fabs'.
2438 (c4x_expand_builtin): Likewise.
2439 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2441 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2443 * config/sh/sh.md (prget, prset): New insn types.
2444 (return delay slot): Dont' allow prset.
2445 (call, sfunc delay slot): Don't allow prget.
2446 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2447 for prset and prget.
2449 2001-01-05 Michael Hayes <mhayes@redhat.com>
2451 * loop.h (struct loop_reg): New.
2452 (struct loop_regs): Change to use array of `struct loop_reg'.
2453 * loop.c: Replace assortment of varrays with single regs array.
2454 (count_one_set): Delete may_not_move array argument
2455 and use regs array instead. All caller's changed.
2456 (count_loop_regs_set): Delete may_not_move and single_usage
2457 arguments and use regs array instead. All caller's changed.
2458 (find_single_use_in_loop): Replace usage array argument with pointer
2459 to regs structure. All caller's changed.
2460 (loop_optimize): Delete `moved_once' array.
2462 2001-01-05 Michael Hayes <mhayes@redhat.com>
2464 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2465 Use it instead of loop_info->has_call for scanning loop mems.
2466 (check_dbra_loop): Replace loop_info->has_call test with
2467 loop_info->has_nonconst_call.
2469 2000-01-04 Matthew Hiller <hiller@redhat.com>
2471 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2474 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2476 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2477 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2479 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2481 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2482 (flag_short_double, flag_short_wchar): Define.
2483 (c_common_nodes_and_builtins): Create many tree nodes shared
2484 between C and C++ here instead of in cp/decl.c and ...
2485 * c-decl.c (init_decl_processing): ... here.
2486 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2487 (flag_short_double, flag_short_wchar): Don't define.
2488 (record_builtin_type): New function.
2489 (build_void_list_node): New function.
2490 * c-common.h (flag_short_double, flag_short_wchar,
2491 record_builtin_type, build_void_list_node): Declare.
2493 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2495 * integrate.c (expand_inline_function): Don't put a virtual
2496 register into the reg map.
2498 * function.c (fixup_var_refs_1): If force_operand didn't put
2499 the address into the target, move it there.
2501 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2503 Special-case tree_decl/tree_list allocations.
2504 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2505 (OBJECT_SIZE): New macro.
2506 (NUM_EXTRA_ORDER): Likewise.
2507 (extra_order_size_table): New variable.
2508 (NUM_ORDERS): New macro.
2509 (objects_per_page_table): New variable.
2510 (object_size_table): New variable.
2511 (G.pages): Use NUM_ORDERS to bound the array.
2512 (G.page_tails): Likewise.
2513 (DIV_ROUND_UP): Remove.
2514 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2515 (alloc_page): Use OBJECT_SIZE.
2516 (size_lookup): Don't make it const.
2517 (ggc_alloc): Use OBJECT_SIZE.
2518 (ggc_set_mark): Likewise.
2519 (ggc_get_size): Likewise.
2520 (init_ggc): Set up the object_size_table, objects_per_page_table,
2521 and adjust size_lookup.
2522 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2523 (ggc_pop_context): Use NUM_ORDERS.
2524 (clear_marks): Likewise.
2525 (sweep_pages): Likewise.
2526 (poison_pages): Likewise.
2527 (ggc_print_statistics): Use OBJECT_SIZE.
2529 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2531 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2532 Only call array_size_for_constructor if last field and array type
2533 with no upper bound.
2535 2001-01-04 Philip Blundell <philb@gnu.org>
2537 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2538 from bit 31 downwards, if this requires no more insns.
2539 (count_insns_for_constant): New helper function for above.
2541 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2543 * gencodes.c (output_predicate_decls): Remove empty initializer.
2545 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2547 * tree.c (copy_node): Remove documentation about obstacks.
2548 (buidl1): Check that nobody tries to build 2-argument nodes this
2551 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2553 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2556 * gencodes.c (output_predicate_decls): Fill empty initializer
2559 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2561 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2562 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2564 (do_include): Handle missing headers like cpp0.
2565 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2566 paths with first include pathname. Don't strcat to uninitialized
2569 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2571 * regrename.c (regrename_optimize): Don't rename from frame pointer
2572 if frame_pointer_needed.
2573 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2574 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2575 (ia64_reorg): Use it instead of scheduling if ! optimize.
2576 (errata_emit_nops): Properly call asm_noperands.
2577 (ia64_sched_reorder): Finish cycle if we see an asm.
2578 (ia64_variable_issue): Clear scheduling state after asms.
2580 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2582 * cpp.texi: Update for -MT.
2583 * cppinit.c (initialize_dependency_output): Add a default
2584 target if none has been given already.
2585 (no_tgt, OPT_MT): New.
2586 (cpp_handle_option): Handle -MT. Update -M etc.
2587 * cpplib.h (struct cpp_options): Remove deps_target.
2588 * gcc.c (cpp_options): Handle -MT.
2589 * mkdeps.c (struct deps): Move from mkdeps.h.
2590 (deps_calc_target): Rename deps_add_default_target. Add a
2591 default target if none has been specified already.
2592 * mkdeps.h (struct deps): Move to mkdeps.c.
2593 (deps_calc_target): Rename deps_add_default_target.
2595 2000-01-03 Richard Henderson <rth@redhat.com>
2597 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2599 * c-typeck.c (push_init_level): Move checks for flexible array
2600 members and zero length arrays ...
2601 (pop_init_level): ... here. Silently discard empty initializations.
2603 * varasm.c (output_constructor): Update for sizeof change to
2606 * extend.texi (Zero Length): Clarify semantics.
2608 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2610 * configure.in (tm.h): Include isns-codes.h last.
2611 * configure: Rebuilt.
2613 2001-01-03 Richard Henderson <rth@redhat.com>
2615 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2616 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2618 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2620 * tradcpp.c (main): Make sure finclude() is called with a valid
2621 indepth value while handling -include.
2623 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2625 * gencodes.c (output_predicate_decls): New function.
2627 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2628 even if it is not the first time machmode.h is #included.
2629 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2630 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2631 * gcc.texi (Copyright): Added 2001.
2633 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2635 * c-common.c (c_common_lang_init): New function. Warn if format
2636 warning options which only have effects when used with -Wformat
2637 are used without -Wformat.
2638 * c-common.h (c_common_lang_init): Declare.
2639 * c-lang.c (lang_init): Call c_common_lang_init.
2640 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2642 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2644 * configure.in: Check for the mktemp command.
2645 * configure: Regenerate.
2646 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2647 $TEMP. Create temporary files with mktemp, if available at
2648 configure time; otherwise use set -C. Remove temporary files
2651 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2653 * configure.in: Require at least texinfo 4.0. Check for whether
2654 Pod::Man is sufficiently recent to regenerate GCC manpages.
2655 * configure: Regenerate.
2656 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2658 (GENERATED_MANPAGES): Define.
2659 (generated-manpages): New target. Depend on cpp.1 as well as
2661 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2662 configure to generated-manpages or empty) rather than on the
2663 manpages directly. Remove execute permission from installed
2664 gcov.1 as well as cpp.1.
2665 * cpp.1, gcov.1: Regenerate.
2667 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2669 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2670 tree_low_cst. Allow using cmpstrsi in more cases.
2672 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2674 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2677 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2679 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2680 * Makefile.in (HOST_CFLAGS): Mention build-make.
2682 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2684 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2687 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2689 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2692 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2695 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2696 reg_base_value and reg_known_value arrays.
2697 (init_alias_analysis): Add more cases to detect known values.
2698 * sched-deps.c (deps_may_trap_p): New function.
2699 (sched_analyze_2): Use it.
2701 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2703 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2704 don't discard an ASHIFTRT if we're shifting in a wider mode.
2706 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2708 * toplev.c (rest_of_compilation): Don't print basic block information
2709 when CFG isn't up to date.
2711 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2713 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2714 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2715 (UNALIGNED_SHORT_ASM_OP): Define.
2716 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2718 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2720 * fold-const.c (fold_convert): Fix typo.
2722 2001-01-02 Richard Henderson <rth@redhat.com>
2724 * c-common.h (ASM_INPUT_P): New.
2725 * c-parse.in (asm): Set it when needed.
2726 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2727 existance of an operand.
2729 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2731 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2732 (dwarf2out_frame_debug_expr): Likewise.
2733 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2735 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2737 * i386.c (ix86_split_to_parts): Return number of part required;
2739 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2741 (ix86_split_long_move): Use number of part returned
2742 by ix86_split_to_parts
2743 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2745 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2746 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2747 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2748 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2749 (ALIGN_MODE_128): Add TFmode.
2750 (IS_STACK_MODE): Likewise.
2751 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2752 (HARD_REGNO_OK): Support TFmodes.
2753 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2754 * i386.md (scheduler definitions): Use memory operand to determine
2755 fst/fld instructions; use mode attribute to determine real mode of
2757 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2758 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2760 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2762 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2764 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2766 * expr.c (store_constructor_field): Update ALIGN before calling
2769 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2771 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2774 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2776 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2779 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2781 * c-decl.c (start_function): Don't warn on third parameter to main.
2783 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2785 * tsystem.h: Define HAVE_DECL_GETOPT.
2787 2001-01-02 Philip Blundell <pb@futuretv.com>
2789 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2792 2001-01-02 Richard Henderson <rth@redhat.com>
2794 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2796 2001-01-02 Andreas Jaeger <aj@suse.de>
2798 * c-decl.c (c_decode_option): Remove support of
2801 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2802 (W_options): Add -Wmissing-noreturn here.
2804 * flow.c: Define lang_missing_noreturn_ok_p.
2805 (check_function_return_warnings): Use it.
2807 * c-common.h: Declare lang_missing_noreturn_ok_p.
2809 * c-lang.c (c_missing_noreturn_ok_p): New function.
2810 (lang_init): Set lang_missing_noreturn_ok_p.
2812 * invoke.texi (Warning Options): Document this.
2814 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2816 * extend.texi (C++ Extensions): New node for C++ attributes;
2817 describe init_priority and com_interface.
2818 * invoke.texi: Remove -finit-priority as it now has zero effect.
2819 * install.texi: Fix xref syntax.
2820 * md.texi: Likewise.
2822 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2824 * config.gcc (sparc64-wrs-vxworks*): New case.
2825 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2827 * config/sparc/sparc.c (sparc_override_options): Do support different
2828 pointer and architecture size.
2829 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2830 (POINTERS_EXTEND_UNSIGNED): Define.
2831 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2832 (FUNCTION_MODE): Define to be Pmode.
2833 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2835 * function.c (expand_function_end): Properly handle DECL_RESULT
2836 and copy when ptr_mode != Pmode.
2837 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2839 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2841 * c-common.c (c_common_nodes_and_builtins): Set prototype
2842 parameters for __builtin_fputs, __builtin_fputc and
2843 __builtin_fwrite. Don't declare plain fputc as a builtin.
2845 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2847 * loop.c (add_label_notes): Increment the label usage count when
2848 a note is added to an insn which refers to a CODE_LABEL.
2849 * gcse.c (add_label_notes): Likewise.
2851 2001-01-01 Andreas Jaeger <aj@suse.de>
2853 * loop.c (scan_loop): Use xmalloc to allocate movables.
2855 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2857 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2858 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2859 * reload1.c (REGISTER_MOVE_COST): Likewise.
2860 * regclass.c (REGISTER_MOVE_COST): Likewise.
2861 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2862 dimension. Adjust all users.
2863 (init_reg_sets_1): Iterate on all modes.
2864 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2865 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2866 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2867 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2868 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2869 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2870 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2871 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2872 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2873 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2874 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2875 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2876 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2877 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2878 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2879 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2880 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2881 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2882 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2883 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2884 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2885 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2886 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2887 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2888 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2889 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2890 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2892 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2894 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2895 arg VARIES_P. Call it with extra arg.
2896 (true_dependence): Likewise.
2897 * rtl.h (rtx_addr_can_trap_p): Declare.
2898 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2900 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2901 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2902 pic offset table register if it's zero. All callers changed.
2903 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2905 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2907 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2908 STRING_POOL_ADDRESS_P.
2910 * config/sparc/sparc.c (input_operand): Properly test for short op.
2912 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2913 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2914 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2915 * config/sparc/elf.h: No longer include sol2.h.
2916 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2917 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2919 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2921 2001-01-01 Michael Hayes <mhayes@redhat.com>
2923 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2924 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2925 (record_initial): Likewise.
2926 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2927 (remap_split_bivs): Likewise.
2929 2001-01-01 Michael Hayes <mhayes@redhat.com>
2931 * loop.c (loop_ivs_free): New function.
2932 (strength_reduce): Break out from...
2934 2001-01-01 Michael Hayes <mhayes@redhat.com>
2936 * loop.h (struct iv): New.
2937 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2938 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2939 'reg_biv_class' fields with 'regs' and 'n_regs'.
2940 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2941 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2942 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2944 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2946 * resource.c (mark_referenced_resources): Abort() before
2947 attempting to mark a pseudo register.
2948 (mark_set_resources): Likewise.
2950 2001-01-01 Michael Hayes <mhayes@redhat.com>
2952 * loop.h (REG_IV_CLASS): New accessor macro.
2953 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2954 * unroll.c (REG_IV_CLASS): Likewise.
2956 See ChangeLog.4 for earlier changes.