1 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4 to use flag_gnu_linker.
6 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8 * cpplib.c (T_BAD_DIRECTIVE): Remove.
9 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
11 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
13 * tree.c, tree.h (build_parse_node): Remove; was identical to
15 * c-lang.c (start_cdtor), objc/objc-act.c
16 (build_module_descriptor): Use build_nt instead of
19 2001-01-29 Jakub Jelinek <jakub@redhat.com>
21 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
22 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
23 not have any upper bits set.
25 2001-01-29 Phil Edwards <pme@sources.redhat.com>
27 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
29 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
31 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
33 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
35 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
36 (integer_minus_one_node): Define.
38 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
40 * Makefile.in (bootstrap2-lean): Fix typo.
42 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
44 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
46 * cpplib.h (AVOID_LPASTE): New flag.
47 (struct cpp_hashnode): Remove fe_value.
48 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
49 * cppmacro.c (builtin_macro): Don't set flags here.
50 (replace_args): Set AVOID_LPASTE flag on first token of an
51 argument, and the token following it.
52 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
53 macro expansion, and on the token following it. Do it for
55 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
57 2001-01-27 Richard Henderson <rth@redhat.com>
59 * config/alpha/t-ieee: Remove multilibbing.
60 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
62 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
64 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
66 * Makefile.in: Remove all dependencies on defaults.h.
67 * builtins.c: Don't include defaults.h.
68 * c-common.c: Likewise.
70 * c-pragma.c: Likewise.
71 * c-typeck.c: Likewise.
72 * combine.c: Likewise.
74 * frame-ia64.c: Likewise.
76 * crtstuff.c: Likewise.
78 * dwarf2out.c: Likewise.
79 * dwarfout.c: Likewise.
80 * emit-rtl.c: Likewise.
84 * frame-dwarf2.c: Likewise.
85 * libgcc2.c: Likewise.
87 * profile.c: Likewise.
90 * tradcif.y: Likewise.
94 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
96 * builtins.c (expand_builtin_fputs): Use size_one_node when
97 transforming into fwrite.
99 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
101 * extend.texi (Attribute Syntax): New section.
103 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
105 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
106 they didn't need fixing.
108 2001-01-27 Janis Johnson <janis@us.ibm.com>
110 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
112 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
113 to remove macro definitions that are duplicated from elfos.h.
115 2001-01-27 Richard Henderson <rth@redhat.com>
117 * config/i386/sco5gas.h: Move ...
118 * config/usegas.h: ... here.
119 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
121 2001-01-27 Jakub Jelinek <jakub@redhat.com>
123 * c-typeck.c (struct constructor_stack): Add range_stack member.
124 (really_start_incremental_init): Clear it.
125 (push_init_level): Save constructor_range_stack and clear it if
126 pushing explicit braces.
127 (pop_init_level): abort if constructor_range_stack is non-zero at
128 explicit closing brace. Restore saved constructor_range_stack if
131 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
133 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
134 into register was forced into memory.
136 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
138 * Makefile.in: Remove uses of + before $(MAKE).
140 2001-01-26 Richard Henderson <rth@redhat.com>
142 * stmt.c (cost_table): Remove.
143 (COST_TABLE, cost_table_initialized): New.
144 (estimate_case_costs): Use the later instead of the former.
145 (balance_case_nodes): Likewise.
147 2001-01-26 Richard Henderson <rth@redhat.com>
149 * alias.c (objects_must_conflict_p): Read-only slots may not
150 conflict despite having the same type.
152 2001-01-27 Michael Hayes <mhayes@redhat.com>
154 * loop.c (loop_giv_reduce_benefit): Copy mode size into
156 (check_ext_dependant_givs): Initialise u_start_val and
158 (load_mems): Make last_max_reg unsigned.
159 (try_swap_copy_prop): Use INSN_P and initialise set.
161 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
163 * README.AVR : Removed.
165 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
167 * pa-64.h (text_section): Remove declaration.
169 * pa.md (return_internal): Remove mode on PIC register use.
171 2001-01-25 lars brinkhoff <lars@nocrew.org>
173 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
174 ASM_CLOSE_PAREN): fix typos.
176 2001-01-25 Mark Mitchell <mark@codesourcery.com>
178 * acconfig.h: Define `const' to the empty string if neither
179 __STDC__ nor __cplusplus is defined.
180 * config.in: Regenerated.
182 2001-01-25 David Edelsohn <edelsohn@gnu.org>
184 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
185 * collect2.c (main): Delete importf. Add ".obj" file extension.
186 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
187 (aix_std_libs): Add additional AIX libraries to skip.
188 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
189 * config/rs6000/aix51.h: New file.
191 2001-01-25 Michael Hayes <mhayes@redhat.com>
193 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
194 (loop_insn_emit_before): No longer static.
195 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
196 (loop_givs_rescan, load_mems): Likewise.
197 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
198 (maybe_eliminate_biv_1):
199 (move_movables): Replace emit_call_insn_before with
200 loop_call_insn_hoist.
201 * loop.h (loop_insn_emit_before): Add.
202 * unroll.c (copy_loop_body): Replace emit_insn_before with
203 loop_insn_emit_before.
205 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
207 * diagnostic.c (fatal): Request preprocessed source.
209 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
211 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
212 olddecl has argument types and newdecl has none, use the argument
215 2001-01-24 Ulrich Drepper <drepper@redhat.com>
217 * dwarf2out.c (prefix_of): New function. Determine longest common
218 prefix of the two arguments. The units are whole path components.
219 (output_file_names): When adding a new directory find the one entry
220 with the longest common prefix already in the list. Artificially
221 generate entry if there is none for this prefix.
222 Fix test to check whether the zeroth directory entry is used.
224 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
226 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
227 Changed all callers. Take it into account when deciding if a
228 previously loaded value matches.
230 2001-01-24 Richard Henderson <rth@redhat.com>
232 * reload.c (find_reloads_subreg_address): Fail the substitution
233 if the resulting address is insufficiently aligned.
235 2001-01-24 DJ Delorie <dj@redhat.com>
237 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
238 check the original operand's mode also.
239 * simplify-rtx.c (simplify_ternary_operation): Ditto.
241 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
243 * c-parse.in (cast_expr): Move compound literals from here ...
244 (primary): ... to here. Use standard terminology "compound
245 literal" instead of "constructor expression".
247 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
249 * gcc.1, cpp.1: Regenerate.
251 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
253 * calls.c (emit_library_call_value_1): Memory slot for
254 pass-by-reference argument should have the mode of the argument,
255 not of the pointer to it.
257 2001-01-24 Tom Tromey <tromey@redhat.com>
259 * gcc.texi (G++ and GCC): Mention gcj manual.
260 (Standards): Link to section of manual mentioning gcj/Java
263 2001-01-24 Jakub Jelinek <jakub@redhat.com>
265 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
266 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
267 * tradcpp.c (main): Add -imacros or -include'd dependencies
269 * cpp.texi (-M, -MM): Document -M -include behaviour.
271 2001-01-24 Roger Collins <roger@ProProject.com>
273 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
275 2001-01-24 Will Cohen <wcohen@redhat.com>
277 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
278 whether registers are 32 bits or 64 bits in size.
280 2001-01-24 Ben Elliston <bje@redhat.com>
282 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
284 2001-01-24 Richard Henderson <rth@redhat.com>
286 * config/alpha/alpha.md (builtin_longjmp_internal): New.
287 (builtin_longjmp): Use it instead of emit_indirect_jump.
289 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
291 * bb-reorder.c (make_reorder_chain_1): Handle case where
292 jump edge goes to the same block as the fallthru edge.
294 2001-01-23 Jim Wilson <wilson@redhat.com>
296 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
297 * frame.h (__ia64_personality_v1): Add prototype.
298 * libgcc2.c (ia64_throw_helper): Change personality declaration to
299 prototype form. Add void * cast to first argument to personality
301 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
302 (asctoe113): Likewise.
303 * config/ia64/frame-ia64.c: Include eh-common.h.
304 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
306 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
308 (itanium_split_issue): Add prototype.
309 (gen_nop_type): Ifdef out.
310 (find_best_packet): Initialize best_packet.
311 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
313 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
314 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
315 (flushrs): Add explicit stop bit at end.
316 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
319 2001-01-23 Chris Demetriou <cgd@broadcom.com>
321 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
323 * libgcc2.c (__terminate_func): Make variable static.
324 (__terminate_set_func): New function to set __terminate_func.
325 * libgcc2.h (__terminate_func_ptr): New typedef.
326 (__terminate_set_func): New function.
328 2001-01-23 Richard Henderson <rth@redhat.com>
330 * flow.c (init_propagate_block_info): Don't consider unchanging
331 memories for dead frame store elimination.
333 2001-01-23 Richard Henderson <rth@redhat.com>
335 * varasm.c (UNIQUE_SECTION): Move default implementation ...
336 * defaults.h: ... here.
338 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
340 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
342 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
344 * c-lex.c (lex_charconst): Fix typo: s/p/str.
346 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
348 * rs6000.h (rs6000_return_addr): Move prototype from here...
349 * rs6000-protos.h (rs6000_return_addr): ...to here.
350 (rs6000_init_expanders): Delete prototype.
352 2001-01-23 Nick Clifton <nickc@redhat.com>
354 * invoke.texi: Replace , with \, inside @gccoptlist macros.
355 (Spec Files): Document %B and %j and %. and %v3 and %M and
356 %{S*&T} spec switches.
358 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
360 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
362 2001-01-23 Chris Demetriou <cgd@sibyte.com>
363 Neil Booth <neil@daikokuya.demon.co.uk>
365 * cpperror.c: Merge handlers of PEDWARN and WARNING.
366 Have -Werror make pedantic warnings errors, like the
369 2001-01-23 Phil Edwards <pme@sources.redhat.com>
371 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
373 2001-01-23 Jakub Jelinek <jakub@redhat.com>
375 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
376 * integrate.c (expand_inline_function): Initialize them.
377 (subst_constants): If changing COMPARE so that both its arguments
378 will be VOIDmode and the comparison mode will be lost, note
379 compare_mode. Use the recorded compare_mode to optimize
382 2001-01-23 Jason Merrill <jason@redhat.com>
384 * dwarf2out.c (new_die): Use xcalloc.
385 (output_die): Abort rather than emit a local reference to offset 0.
387 2001-01-17 Andrew Haley <aph@redhat.com>
389 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
390 of a saved register; return NULL instead.
391 (copy_reg): Take a pointer to a source register rather than a
393 (next_stack_level): Remember the address in the stack frame of all
395 Use the saved register pointer array as the source of the CFA.
396 (throw_helper): Rewrite. Unwind once rather than twice and keep
397 track of saved registers as we go.
399 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
401 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
402 * c4x.c (c4x_legitimize_reload_address): Remove.
403 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
404 reload address for ldp(k) insn.
406 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
408 * pa.md (return_internal): Add a USE of the PIC register to ensure
409 it is restored after each call.
410 (return expander): Corresponding changes.
412 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
414 * rs6000.h (INIT_EXPANDERS): Delete.
415 (RETURN_ADDR_RTX): Call rs6000_return_addr().
416 * rs6000.c (rs6000_override_options): Call *_machine_status from
418 (rs6000_init_expanders): ...instead of here. Delete.
419 (rs6000_mark_machine_status): New function.
420 (rs6000_init_machine_status): Use xcalloc.
421 (rs6000_return_addr): Generate RTX for the return address.
422 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
423 (rs6000_stack_info): Use it.
425 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
427 * gthr-win32.h: Include errno.h to get a declaration for
428 EINVAL and _mingw.h if the target is mingw32.
430 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
432 * cpp.texi: Correct typos.
434 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
436 * explow.c (probe_stack_range): Ensure value passed to
437 stack_check_libfunc is ptr_mode, not Pmode.
439 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
441 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
442 case, don't use operand_subword to calculate a SUBREG that is
445 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
447 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
449 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
450 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
451 valid. If not replace it by equivalent insns.
453 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
455 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
456 contains SYMBOL_REF, LABEL_REF and CONST_INT.
457 (c4x_U_constraint, symbolic_address_operand): Likewise.
458 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
460 (c4x_r11_set_p, c4x_check_laj_p): New functions.
461 * c4x-protos.h (c4x_check_laj_p): Add prototype.
462 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
463 anulling slot because of silicon bug.
464 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
466 2001-01-22 Alan Modra <alan@linuxcare.com.au>
468 * cppexp.c (parse_charconst): Change `mask' type to agree
471 2001-01-21 Richard Henderson <rth@redhat.com>
473 * config/i386/i386.c (ix86_asm_file_end): Disable putting
474 pic_label_name in a linkonce section.
476 2001-01-17 Philipp Thomas <pthomas@suse.de>
478 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
480 * configure: Regenerate.
482 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
484 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
485 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
487 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
489 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
490 If REVERSE nonzero then condition code in X must be reversed.
491 (encode_section_info): Optimise if/else.
492 (avr_function_value): Fix formatting.
494 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
495 (difficult_branch): Likewise.
496 (rvbranch): Likewise.
497 (difficult_rvbranch): Likewise.
499 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
501 * config/avr/libgcc.S: Fix comment.
503 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
505 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
507 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
509 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
511 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
513 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
514 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
515 * configure, config.in: Regenerate.
516 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
517 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
518 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
519 (doprint.o): New rule.
521 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
523 * c-typeck.c (digest_init): Handle boolean types as scalars.
525 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
527 * stmt.c (expand_return): Don't return anything if size is zero.
528 Delete redundant assignment to BYTES.
529 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
531 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
533 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
534 the same as the default library function names.
535 * config/avr/avr.md: Document special characters after '%'.
536 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
537 knowing which of the call-used registers are really clobbered.
538 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
539 New. Both quotient and remainder from one libgcc.S call.
540 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
541 clobber as few registers as possible.
542 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
544 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
546 * cppmacro.c (funlike_invocation_p): Don't move back up to the
547 context of the top of the stack.
549 2001-01-20 Jakub Jelinek <jakub@redhat.com>
551 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
552 (fixup_var_refs_insns): ...here.
554 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
556 * function.c (fixup_var_refs_insns): Break up into
557 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
558 [loop over entire insn list], and fixup_var_refs_insns_with_hash
559 [loop over hash table entries].
560 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
561 fixup_var_refs_insns_with_hash, to match above changes.
563 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
565 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
566 (libgcc.a): Likewise.
567 (stmp-multilib): Likewise.
568 (STAGE2_FLAGS_TO_PASS): Likewise.
570 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
572 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
573 temporary if no_new_pseudos.
575 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
577 * cppinternals.texi: Update.
579 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
581 * arm.c (arm_init_builtins): Re-enable builtins.
583 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
585 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
586 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
587 element to be null, and always expect an EXPR_LIST.
588 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
589 * sched-deps.c (sched_analyze_1): Likewise.
590 * sched-rgn.c (check_live_1, update_live_1): Likewise.
592 * regclass.c (max_set_parallel): New variable.
593 (reg_scan): Take it into account in computation of max_parallel.
594 (reg_scan_mark_refs, case SET): Compute it.
596 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
598 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
599 * function.c (assign_parms): Use INTVAL for a CONST_INT.
601 2001-01-19 Jason Merrill <jason@redhat.com>
603 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
604 for the abstract instance of an inline function.
606 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
607 J"orn Rennecke <amylaar@redhat.com>
609 * reload1.c (move2add_note_store): Treat all registers directly or
610 indirectly derived from a base register as members of the same set
612 (reload_cse_move2add): Adjust accordingly. Take mode and offset
613 of base register into account.
615 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
617 * alias.c (find_base_value): Recognize TRUNCATE.
618 (record_set): In PLUS case, invalidate if other summand is also a
621 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
623 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
624 entry to be EXPR_LIST.
625 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
626 be an EXPR_LIST (but not null, which other code doesn't allow).
627 (note_stores): Properly handle PARALLEL in SET.
628 Recursively call for top-level PARALLEL.
629 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
630 * sched-rgn.c (check_live_1, update_live_1): Likewise.
632 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
634 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
636 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
637 not pfile->skipping (== 0).
639 2001-01-17 Nick Clifton <nickc@redhat.com>
641 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
644 2001-01-17 Jim Wilson <wilson@redhat.com>
646 * invoke.texi (IA-64 options): Improve.
648 2001-01-17 Tom Tromey <tromey@redhat.com>
650 * invoke.texi (Optimize Options): Use `{}' to around @samp
653 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
655 * invoke.texi (-fno-guess-branch-probability): New option.
657 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
659 * combine.c (try_combine): Don't set i3_subst_into_i2 for
660 case of making new double-word constant.
661 Revert last change: instead just test i3_subst_into_i2.
663 2001-01-17 Jakub Jelinek <jakub@redhat.com>
665 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
666 Use q constraints instead of r.
668 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
670 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
671 (machine_function): Define.
672 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
673 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
674 pa_free_machine_status): New functions.
675 (override_options): Set {init,mark,free}_machine_status to above.
676 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
677 PIC_OFFSET_TABLE_REGNUM_SAVED.
678 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
679 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
680 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
681 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
682 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
684 2001-01-15 DJ Delorie <dj@redhat.com>
686 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
690 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
692 * flow.c (propagate_on_insn): Make trying to delete a prologue
693 or epilogue insn an ICE, not a warning. Allow doing this if
694 the current function returns with stack pointer depressed.
696 * combine.c (try_combine): If i3_subst_into_i2, properly check for
697 I3 having more than one SET.
699 2001-01-16 Jim Wilson <wilson@redhat.com>
701 * invoke.texi: Document IA-64 options.
703 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
704 (fixup_errata): Delete TARGET_A_STEP use.
705 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
706 (TARGET_SWITCHES): Delete -ma-step option.
707 * config/ia64/ia64.md (all FP patterns): Delete %B0.
708 (movqicc_astep, movqi_internal_astep, movhicc_astep,
709 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
710 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
711 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
712 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
714 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
715 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
716 cmovsi_internal): Delete ! TARGET_A_STEP check.
718 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
720 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
721 possibility to report bugs via postal mail. Change a URL and
722 merge in a nearly duplicate statement...
723 (Bug Reporting): ...from here.
724 (Service): Refer to the Bug Reporting section instead of
726 (Contributing): Remove trivial explanations concerning snapshots.
728 2001-01-16 Alan Modra <alan@linuxcare.com.au>
730 * cppmain.c (general_init): Don't use ANSI prototype.
732 2001-01-16 Tom Tromey <tromey@redhat.com>
734 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
736 2001-01-16 Richard Henderson <rth@redhat.com>
738 * config/i386/i386.h: Fix comment typo.
739 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
740 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
742 2001-01-16 Phil Edwards <pme@sources.redhat.com>
744 * gcc.c: Revert previous -fsyntax-only-related change; move
747 2001-01-16 Jakub Jelinek <jakub@redhat.com>
749 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
750 inmode after checking GET_CODE (op).
752 2001-01-16 Richard Henderson <rth@redhat.com>
754 * flow.c (struct propagate_block_info): Add mem_set_list_len.
755 (MAX_MEM_SET_LIST_LEN): New.
756 (propagate_one_insn): Update mem_set_list_len.
757 (invalidate_mems_from_autoinc): Likewise.
758 (invalidate_mems_from_set): Likewise.
759 (mark_used_regs): Likewise.
760 (init_propagate_block_info): Likewise. Stop collecting memories
761 when we reach MAX_MEM_SET_LIST_LEN.
762 (mark_set_1): Likewise.
764 2001-01-16 Richard Henderson <rth@redhat.com>
766 * unroll.c (precondition_loop_p): Fail if no iteration
769 2001-01-16 Phil Edwards <pme@sources.redhat.com>
771 * gcc.c: When -fsyntax-only is given, do not complain about
774 2001-01-15 Richard Henderson <rth@redhat.com>
776 * config/i386/i386.c (asm_output_function_prefix): Remove.
777 (ix86_asm_file_end): New.
778 (load_pic_register): Generate pic_label_name into a
779 staticly allocated buffer.
780 * config/i386/i386-protos.h: Update.
781 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
783 * config/i386/i386afe.h: New file.
784 * config.gcc (i?86-*-elf) [tm_file]: Use it.
785 (i?86-*-{freebsd,linux*,moss*}): Likewise.
786 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
787 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
788 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
789 * config/i386/sco5.h (ASM_FILE_END): Likewise.
790 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
792 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
794 * Makefile.in (install-man): Remove explicit dependency on
797 * configure.in, configure: Revert previous patch requiring perl
800 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
802 * toplev.c (flag_guess_branch_prob): New.
803 (f_options): Add guess-branch-probability option.
804 (rest_of_decl_compilation): Only estimate branch probability if
806 (main): set flag_guess_branch_prob.
808 * flags.h (flag_guess_branch_prob): New.
810 2001-01-15 DJ Delorie <dj@redhat.com>
812 * gcc.texi (Makefile): Add documentation for Makefile targets.
814 2001-01-15 Philip Blundell <philb@gnu.org>
816 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
818 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
819 (is_pic): Delete declaration.
820 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
821 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
822 * config/arm/arm.md (builtin_setjmp_receiver): New.
824 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
826 * arm.c (use_return_insn): Don't try to determine the function type
827 until after reload has completed.
828 (arm_output_epilogue): Don't adjust the sp value recovered from the
830 (emit_multi_reg_push): Don't record dwarf information for the pc.
831 * arm.md (eh_epilogue): The function type may have changed, so it
832 needs to be recalculated.
833 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
834 unwind tables on arm/netbsd.
836 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
838 * arm.md (cbranchsi4): Correct calculation of branch ranges.
839 (negated_cbranchsi4): Likewise.
841 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
843 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
844 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
845 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
846 pass -mapcs-* options to assembler.
847 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
848 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
849 (ASM_SPEC): Call subtarget_extra_asm_spec.
851 2001-01-15 Andreas Jaeger <aj@suse.de>
853 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
855 (ix86_expand_builtin): Likewise.
857 * gencodes.c (output_predicate_decls): Make i size_t to avoid
858 warning about comparison between signed and unsigned.
860 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
862 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
864 2001-01-14 Ralf Baechle <ralf@gnu.org>
866 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
867 SUBTARGET_CPP_SPEC apropriatly.
869 2001-01-12 Mark Mitchell <mark@codesourcery.com>
871 * varasm.c (make_decl_rtl): Fix typo in last change.
873 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
875 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
876 linker supports the init_priority C++ attribute.
877 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
878 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
879 linker does not support init_priority C++ attribute.
881 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
883 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
885 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
887 * c-parse.in (finish_parse): Add comment about cpp_destroy.
888 * cp/lex.c (finish_parse): Similarly.
889 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
890 Return the number of errors encountered.
891 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
892 * cppmain.c (main): Don't call cpp_destroy.
894 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
896 * configure.in: Require at least perl 5.6.0 to regenerate
898 * configure: Regenerate.
900 2001-01-14 Richard Henderson <rth@redhat.com>
902 * genrecog.c (DT_veclen_ge): New.
903 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
904 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
905 (nodes_identical_1): Handle DT_veclen_ge.
906 (write_cond, debug_decision_2): Likewise.
908 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
910 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
912 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
914 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
916 * cppmain.c (do_preprocessing): New function; most of the old
918 (main): Call it to do most of the work.
919 (cb): Move from global scope to set_callbacks ().
920 (setup_callbacks): Get the callback pointer.
921 (general_init, printer_init): Clean up code and comments.
923 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
925 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
928 2001-01-14 Kazu Hirata <kazu@hxi.com>
930 * config/h8300/h8300.c (get_shift_alg): Update comments.
932 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
934 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
935 (alloc_page, ggc_alloc): Add casts to remove warnings.
937 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
939 * combine.c (simplify_comparison): Don't change `code' when
940 can't reverse comparison.
942 2001-01-14 Richard Henderson <rth@redhat.com>
944 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
945 update all call sites. Return true for all non-label constants.
947 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
949 * i386.c (ix86_expand_compare): Add bypass_test and second_test
951 (ix86_expand_branch): Update.
952 (ix86_expand_setcc): Update to handle multiple test conditions.
953 (expand_int_movcc): Likewise.
954 (expand_fp_movcc): Likewise.
955 * i386-protos.h (ix86_expand_compare): New.
956 * i386.md (andqi_?_slp, orqi_?_slp): New.
957 (conditional trap expander): Update call to ix86_expand_compare.
959 2001-01-14 Richard Henderson <rth@redhat.com>
961 * config/vax/vax.md: Use nonimmediate_operand instead of
962 general_operand in destinations.
964 * config/vax/vax.md (indirect_jump): Use register_operand.
966 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
967 * config/vax/vax.md (call_pop): Turn into an expander.
968 (call_value_pop): Likewise.
969 (call, call_value): New.
971 2001-01-14 Andreas Jaeger <aj@suse.de>
973 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
975 (ix86_fp_compare_mode): Add unused attribute.
976 (ix86_expand_fp_movcc): Remove unused variable.
977 (ix86_expand_builtin): Make fcode unsigned.
979 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
980 (expand_expr): Add cast to avoid signed warning.
981 (store_field): Likewise.
982 (store_constructor_field): Likewise.
983 (store_constructor): Likewise.
984 (store_expr): Likewise.
985 (clear_storage): Likewise.
986 (emit_group_store): Likewise.
987 (emit_group_load): Likewise.
989 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
991 * c-common.c: Move format checking code to ...
992 * c-format.c: ... here. New file. Reorder some functions and
994 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
996 * c-common.h (decl_handle_format_attribute,
997 decl_handle_format_arg_attribute): Declare.
998 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
999 (c-common.o): Adjust dependencies.
1000 (c-format.o): New list of dependencies.
1002 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1004 * unroll.c (loop_iterations): If we cannot prove iteration variable
1005 is set once in each iteration, punt.
1007 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1009 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1010 (*strlenhi): Remove clobber (which was buggy) of output address.
1012 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1014 * Makefile.in (generated-manpages): Add gcc.1
1015 ($(srcdir)/gcc.1): New target.
1016 (maintainer-clean): Delete $(srcdir)/gcc.1.
1017 * gcc.texi: Add macros @gccoptlist and @gol.
1018 * invoke.texi: Include option summary in manpage. Mark up option
1019 summary with @gccoptlist and @gol. Use @r in one place where
1021 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1022 * gcc.1: Generate from invoke.texi.
1024 2001-01-13 Richard Henderson <rth@redhat.com>
1026 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1027 (struct page_entry): Add group member.
1028 (struct page_group): New.
1029 (struct globals): Add page_groups member.
1030 (alloc_anon): Only define for using mmap; remove valloc call.
1031 (page_group_index): New.
1032 (set_page_group_in_use): New.
1033 (clear_page_group_in_use): New.
1034 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1035 (free_page, release_pages): Likewise.
1036 * configure.in (with-gc): Default to ggc-page always.
1038 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1040 * reload1.c (replace_pseudos_in_call_usage): Use
1041 reg_equiv_constant and reg_equiv_address, and don't try
1042 regno_reg_rtx first.
1044 2001-01-13 Richard Henderson <rth@redhat.com>
1046 * ggc-page.c (alloc_page): Round up allocation size to one page.
1047 Set e->order on extra pages.
1049 2001-01-13 Richard Henderson <rth@redhat.com>
1051 * genrecog.c (nodes_identical): Expand commentary.
1052 (write_switch): Watch out for identical nodes.
1054 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1056 * cppfiles.c (_cpp_fake_include): New function.
1057 * cpphash.h (_cpp_fake_include): New.
1058 * cpplib.c (do_line): Call _cpp_fake_include when entering
1059 header files in preprocessed input.
1060 * cppmain.c (cb_pragma_implementation): Remove handling.
1061 (setup_callbacks): Don't register pragmas.
1063 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1065 * extend.texi: Udate for CPP.
1067 2001-01-13 Andreas Jaeger <aj@suse.de>
1069 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1071 * regmove.c: Add prototype for replace_in_call_usage.
1073 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1075 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1076 struct cpp_chunk, struct htab, struct toklist,
1077 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1078 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1079 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1080 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1081 (struct macro_args): Delete.
1082 * cpphash.h: See above.
1084 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1086 * cppmain.c (struct printer): Remove no_line_dirs.
1088 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1089 : Use options rather than CPP_OPTION.
1090 (setup_callbacks): Use cb rather than pfile->cb.
1091 (main): No need to check for a buffer. Use cpp_errors.
1092 (printer_init): Don't set no_line_dirs.
1093 (maybe_print_line): Use options not no_line_dirs.
1094 (cb_file_change): Don't call print_line if -P.
1096 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1098 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1100 * c-parse.in (finish_parse): Use cpp_errors.
1101 (__yylex): Use return value of cpp_pop_buffer.
1102 * cp/lex.c (finish_parse): Use cpp_errors.
1103 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1105 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1107 * README.AVR: URLs corrected.
1109 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1111 * c-decl.c (start_function): Don't warn if old prototype is builtin
1112 that's not in C's namespace.
1113 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1114 (_bb): Add prototype for ctime.
1115 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1117 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1119 * i386.c (ix86_fp_comparison_arithmetics_cost,
1120 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1121 ix86_fp_comparison_cost): New functions.
1122 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1123 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1124 two-branch sequences; make static.
1125 (ix86_use_fcomi_compare): Do decision according to the costs.
1126 (split_fp_branch): New.
1127 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1128 * i386-protos.h (ix86_expand_fp_compare): Remove
1129 (ix86_split_fp_branch): Declare.
1131 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1132 and ix86_comparison_operator.
1134 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1137 * i386.c (put_condition_code): Output properly the unordered/ordered
1138 compares in fp case.
1139 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1141 * tm.texi (REVERSE_CONDITION): Document.
1142 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1143 in -ffast-math mode.
1144 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1146 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1148 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1150 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1153 * config/sh/sh.c (mova_p): Fix test for mova_const.
1155 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1157 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1158 cpp_get_options rather than dereferencing pfile and using
1160 * scan-decls.c (scan_decls): Use return value of
1161 cpp_pop_buffer rather than CPP_BUFFER.
1163 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1165 * cppinit.c (cpp_handle_option): help_only is now part of the
1166 cpp_options structure.
1167 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1168 cpp_set_callbacks): New functions.
1169 * cpplib.h (cpp_callbacks): Break out as a named structure.
1170 (cpp_options): Move help_only here from cpp_reader.
1171 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1172 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1173 cpp_set_callbacks): New prototypes.
1174 * cppmain.c (main): Update for help_only.
1176 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1178 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1179 Also build and remove and install and uninstall c-tree.info and
1181 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1182 ($(srcdir)/cppinternals.info): New target.
1183 * c-tree.texi: Change file name used when makeinfo used without -o
1184 from ir.info to c-tree.info. Add info directory entry.
1185 * cppinternals.texi: Add info directory entry.
1186 * .cvsignore: Update.
1188 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1190 * c-typeck.c (store_init_value): Don't require constant initializer
1191 elements with -pedantic -std=c99.
1192 (digest_init): Change error about non-constant initializer elements
1194 (constructor_range_end): Remove.
1195 (constructor_incremental, designator_depth,
1196 designator_errorneous): New variables.
1197 (struct constructor_stack): Remove range_end, add incremental.
1198 (struct constructor_range_stack, constructor_range_stack): New.
1199 (struct initializer_stack): Add constructor_range_stack.
1200 (finish_init): Set it.
1201 (start_init): Likewise. require_constant_elements for non-static
1202 trees only if not flag_isoc99.
1203 (really_start_incremental_init): Remove constructor_range_end, add
1204 constructor_incremental.
1205 (pop_init_level): Likewise.
1206 (push_init_level): Likewise. If implicit and the subobject had some
1207 value set already, preinitialize the level with it.
1208 Warn about missing braces only if not pushing due to designators.
1209 (set_designator, push_range_stack): New functions.
1210 (set_init_label): Use them.
1211 (set_init_index): Likewise. Remove constructor_range_end.
1212 Error if designator index is outside of array bounds.
1213 (add_pending_init): Compare values of purpose index trees, not the
1214 trees themselves. Allow overwriting of already initialized element.
1215 Issue a warning if it had side-effects.
1216 (set_nonincremental_init, set_nonincremental_init_from_string): New
1218 (pending_init_member): Rename to...
1219 (find_init_member): ...this function. Call set_nonincremental_init
1220 if necessary. Compare values of purpose index trees, not the trees
1221 themselves. Return the actual value, not just non-zero if something
1223 (output_init_element): Remove checks for duplicates.
1224 If field has zero size, only check the initializer for correctness.
1225 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1226 if constructor_incremental is zero. Change error about initializers
1227 not computable at load time into pedwarn.
1228 (output_pending_init_elements): Compare bit positions, not
1229 FIELD_DECLs to take into account zero-sized fields.
1230 (process_init_element): Use constructor_range_stack to fill all
1231 ranges in the designator lists from current level up.
1232 * extend.texi: Update documentation for labeled elements.
1234 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1236 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1237 to function usage for arguments passed by reference. Optimize
1238 callee-copied arguments.
1239 * regmove.c (replace_in_call_usage): New function.
1240 (fixup_match_1): Call it.
1241 * cse.c (cse_insn): Canonicalize registers in function usage.
1242 * reload1.c (replace_pseudos_in_call_usage): New function.
1245 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1248 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1250 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1253 2001-01-12 DJ Delorie <dj@redhat.com>
1255 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1256 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1259 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1261 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1262 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1263 -std options alongside references to -ansi. Update some
1264 documentation for C99.
1265 * cpp.1: Regenerate.
1267 2001-01-12 Andreas Jaeger <aj@suse.de>
1269 * haifa-sched.c (restore_line_notes): Remove argument block B
1271 * sched-ebb.c (schedule_ebb): Change caller.
1272 * sched-rgn.c (schedule_region): Likewise.
1273 * sched-int.h (restore_line_notes): Adjust prototype.
1275 * loop.h: Remove wrong declaration of doloop_condition_get.
1277 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1279 * extend.texi: Move C++-extension-related node from the C section
1280 into the C++ section.
1282 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1284 * extend.texi: Refer to an array of pointers to functions instead
1285 of one of functions.
1287 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1288 Jan Hubicka <jh@suse.cz>
1290 * combine.c (reversed_comparison): Fix typo in last patch.
1292 (combine_reversed_comparison_code): Make static to follow
1293 prototype declaration.
1295 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1297 * install.texi: Remove misplaced duplicate entry.
1299 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1301 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1303 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1305 * final.c: (leaf_function_p): Fix typo.
1307 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1309 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1310 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1312 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1313 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1314 mmap_anon, and valloc is available.
1315 * ggc-page.c: Restructure ifdef logic to match new autoconf
1316 spec. Don't throw away the test page in init_ggc.
1318 * configure, config.in: Regenerate.
1320 2001-01-12 Michael Hayes <mhayes@redhat.com>
1322 * loop.h (total_biv_increment): Constify iv_class pointer.
1323 (struct induction): Replace `mem_mode' with `mem' rtx.
1324 * unroll.c (total_biv_increment): Constify iv_class pointer.
1325 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1326 (find_mem_givs, combine_givs_p): Likewise.
1327 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1329 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1331 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1333 (__gthread_getspecific): Ditto.
1335 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1337 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1338 put_condition_code): Convert fp comparison codes to integer
1340 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1343 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1344 * i386-protos.h (no_comparison_operator): Kill.
1346 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1348 * combine.c (REVERSIBLE_CC_MODE): Remove.
1349 (reversible_comparison_p): Remove.
1350 (combine_reversed_comparison_code): New.
1351 (reversed_comparison): New.
1352 (combine_simplify_rtx): Use
1353 combine_reversed_comparison_code/reversed_comparison instead
1354 of reversible_comparison_p.
1355 (simplify_if_then_else): Likewise.
1356 (simplify_set): Likewise.
1357 (simplify_logical): Likewise.
1358 (if_then_else_cond): Likewise.
1359 (known_cond): Likewise.
1360 (simplify_comparison): Likewise.
1362 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1364 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1365 sizeof (int) is larger than sizeof(__word__).
1367 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1369 * cppinit.c (do_includes): Fix typo.
1371 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1373 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1374 in S_REGS does not occur because not all sources are possible
1375 when a S_REGS is a destination (sometimes needs a clobber).
1376 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1377 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1378 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1379 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1380 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1381 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1382 (lshrdi_const1, lshrsi3_const16): Likewise.
1383 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1384 (*movhi_68hc12, *movqi_68hc12): Likewise.
1385 (movstrictqi): Make sure reloading in D_REGS as a destination
1388 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1390 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1392 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1394 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1395 -D, -U and -A, and don't initialize the builtins.
1396 (do_includes): Error if -include or -imacros with -fpreprocessed.
1397 * cppmain.c (cb_define, cb_undef): Unconditionally process
1399 * tradcpp.c (main): Fix typo.
1401 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1403 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1404 (read_name_map): Use IS_ABSOLUTE_PATH.
1405 * tradcpp.c (get_filename): Likewise.
1407 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1409 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1410 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1411 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1412 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1413 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1414 (cmphi_z_used): Don't use '@' for the output.
1415 (tstqi_z_used): Likewise.
1416 (cmpqi_z_used): Likewise.
1417 (one_cmplsi2): Likewise.
1419 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1421 * config/sh/sh.c (barrier_align): Recognize branch around far
1422 branch and redundant insn.
1424 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1426 * invoke.texi: Restore documentation of the drivers' switches -MD
1429 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1431 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1433 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1434 check-objc//%): Support parallel testing of multilibs.
1435 (TESTSUITEDIR): Set to testsuite by default, but override for
1437 (check-gcc, check-g++, check-g77, check-objc): Enter
1440 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1442 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1443 * sched-deps.c (deps_may_trap_p): Likewise.
1444 * basic-block.h: Remove a comment.
1445 * flow.c (PROP_POSTRELOAD): Remove.
1446 (update_life_info): Don't add it to prop_flags.
1447 (mark_set_1): Lose the code that was enabled by it.
1449 2001-01-11 Michael Hayes <mhayes@redhat.com>
1451 * flow.c (flow_call_edges_add): New.
1452 * basic_block.h (flow_call_edges_add): New.
1454 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1456 * reload1.c (move2add_note_store): Update reg_set_luid even if
1457 base reg remains the same.
1459 2001-01-10 Nick Clifton <nickc@redhat.com>
1461 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1462 machine_function structure to zero.
1463 Add prototypes for machine_status functions.
1465 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1467 * c-common.h (CTI_VOID_LIST): Remove.
1468 (void_list_node): Likewise.
1469 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1470 (void_list_node): New macro.
1471 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1472 * config/i386/i386.c (ix86_init_builtins): Likewise.
1473 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1475 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1477 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1478 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1480 * tradcpp.c: Include mkdeps.h.
1481 (deps, print_deps_phony_targets, deps_append, output_deps,
1482 init_dependency_output, output_deps): New.
1483 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1484 deps_output): Delete.
1485 (print_deps_missing_files): Rename deps_missing_files.
1486 (inhibit_output): Make global.
1487 (main): Delete inhibit_output, deps_stream, deps_target.
1488 Use mkdeps functionality in the same way as cpplib. Remove
1489 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1490 -M and -MM. Remove old handling of deps via deps_out, and
1491 old reading of environment variables.
1492 (get_filename): Update to use deps_add_dep.
1494 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1496 * output.h (make_function_rtl): Remove prototype.
1497 (make_decl_rtl): Likewise.
1498 * varasm.c (make_function_rtl): Remove.
1499 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1500 than from a third parameter.
1501 * tree.h (make_decl_rtl): Remove last parameter.
1502 * c-decl.c (builtin_function): Remove last argument in call to
1503 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1504 (start_function): Likewise.
1505 * except.c (call_get_eh_context): Likewise.
1506 * expr.c (emit_block_move): Likewise.
1507 (clear_storage): Likewise.
1508 * profile.c (output_func_start_profiler): Likewise.
1509 * toplev.c (rest_of_decl_compilation): Likewise.
1510 * objc/objc-act.c (create_builtin_decl): Likewise.
1511 (synth_module_prologue): Likewise.
1512 (generate_static_reference): Likewise.
1513 (build_selector_reference_decl): Likewise.
1514 (build_class_reference_decl): Likewise.
1515 (build_objc_string_decl): Likewise.
1516 (build_protocol_reference): Likewise.
1518 2001-01-10 Richard Henderson <rth@redhat.com>
1520 * hwint.h: Revert yesterday's change.
1522 2001-01-10 Nick Clifton <nickc@redhat.com>
1524 * function.h (save_machine_status): Delete.
1525 (restore_machine_status): Delete.
1526 Amend comment describing {init|mark|free}_machine_status.
1528 * function.c (save_machine_status): Delete.
1529 (restore_machine_status): Delete.
1530 Amend comment describing {init|mark|free}_machine_status.
1531 (push_function_context_to): Remove invocation of
1532 save_machine_status.
1533 (pop_function_context_from): Remove invocation of
1534 restore_machine_status.
1536 * emit-rtl.c (init_emit_once): Amend comment describing
1537 {init|mark|free}_machine_status.
1539 * tm.texi (Per-Function Data): New node. Describe the
1540 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1543 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1545 * cppinit.c (OPT_g): Remove.
1546 (cpp_handle_option): Update for removed -g3.
1547 (print_help): Update.
1548 * cpplib.h (struct cpp_options): Remove debug_output.
1549 * cppmain.c (setup_callbacks, cb_define): Update.
1550 * gcc.c (cpp_options): Translate -g3 to -dD.
1552 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1554 * config/i960/i960.md: Change modifier to + on the zero_extract
1555 pattern after the (rotate -2 reg) canonicalization pattern.
1557 2001-01-10 Richard Henderson <rth@redhat.com>
1559 * config/alpha/alpha.c (alpha_free_machine_status): New.
1560 (override_options): Install it.
1561 (alpha_mark_machine_status): Verify machine non-null.
1562 * config/i386/i386.c (ix86_free_machine_status): New.
1563 (override_options): Install it.
1564 (ix86_init_machine_status): Use xcalloc.
1565 (ix86_mark_machine_status): Verify machine non-null.
1566 * config/ia64/ia64.c (ia64_free_machine_status): New.
1567 (ia64_override_options): Install it.
1568 (ia64_mark_machine_status): Verify machine non-null.
1570 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1572 * function.c (instantiate_virtual_regs): Instantiate virtual
1573 registers found in CALL_INSN_FUNCTION_USAGE.
1575 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1577 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1578 equivalent to -ansi in disabling -Di386.
1580 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1582 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1584 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1586 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1588 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1590 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1592 * invoke.texi: Document that -fcond-mismatch isn't supported for
1595 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1597 * gcc.texi: Define macro gcctabopt.
1598 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1599 @command, @env and @option in some places where appropriate. Use
1600 @gcctabopt where appropriate. Put URLs and email addresses inside
1603 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1605 * gcc.c (cpp_options): Set MD file name from output
1606 filename, if specified.
1607 (suffix_subst): New static variable.
1608 (do_spec): Clear it.
1609 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1611 (give_switch): Handle suffix_subst.
1613 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1615 * invoke.texi: Fix another typo.
1617 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1619 * invoke.texi: Fix typo.
1621 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1623 * c-lang.c (lang_hooks): Update.
1624 (lang_decode_option): Remove.
1625 (lang_init_options): Rename c_init_options.
1626 * toplev.c (main): Use lang_hooks for lang_init_options
1627 and lang_decode_option.
1628 * toplev.h (lang_hooks): Add 2 new hooks.
1629 * tree.h: Remove lang_init_options and lang_decode_option.
1630 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1631 * cp/decl2.c: Similarly.
1632 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1633 (lang_hooks): Update.
1634 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1636 (lang_init_options): Rename ffe_init_options.
1637 (lang_hooks): Update.
1638 (lang_decode_option): Remove.
1639 * java/lang.c (lang_init_options): Rename java_init_options.
1640 (lang_decode_option): Rename java_decode_option.
1641 (lang_hooks): Update.
1642 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1643 (lang_decode_option): Rename objc_decode_option.
1644 (lang_hooks): Update.
1646 2001-01-09 Nick Clifton <nickc@redhat.com>
1648 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1649 (d30v_return_addr_rtx): Delete.
1650 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1651 cfun->machine structure.
1652 (struct machine_function): Move to d30v.h
1653 (d30v_save_machine_status): Delete.
1654 (d30v_restore_machine_status): Delete.
1655 (d30v_init_machine_status): New Function.
1656 (d30v_mark_machine_status): New Function.
1657 (d30v_free_machine_status): New Function.
1658 (d30v_init_expanders): Use new functions.
1659 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1660 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1661 d30v_return_addr_rtx.
1663 * config/d30v/d30v.h (struct_machine): Move here.
1664 Add eh_epilogue_sp_ofs field.
1666 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1667 field in cfun->machine structure.
1669 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1671 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1672 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1673 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1675 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1677 * objc/lang-options.h: Remove bogus reference to
1680 2001-01-09 Kazu Hirata <kazu@hxi.com>
1682 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1685 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1687 * reload.c (find_reloads_address): Check for eliminable registers
1688 when substituting a constant expression for a pseudo.
1690 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1692 * c-common.c (enum format_type): Add format_type_error.
1693 (decode_format_type): New function.
1694 (decl_attributes): Use it.
1695 (format_kind_info): Adjust comment.
1697 2001-01-09 David O'Brien <obrien@BSDi.com>
1699 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1700 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1702 * config/i386/gnu.h: Don't include required platform specific .h files,
1703 tm.h will do it instead.
1704 * config/i386/i386elf.h: Likewise.
1705 * config/i386/linux.h: Likewise.
1706 * config/i386/moss.h: Likewise.
1707 * config/mips/gnu.h: Likewise.
1709 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1711 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1712 (rs6000-ibm-aix3.[01]*): Likewise.
1713 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1714 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1715 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1716 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1717 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1718 (powerpc-*-eabiaix*): Likewise.
1719 (powerpc-*-eabisim*): Likewise.
1720 (powerpc-*-elf*): Likewise.
1721 (powerpc-*-eabi*): Likewise.
1722 (powerpc-*-rtems*): Likewise.
1723 (powerpc-*-linux*libc1): Likewise.
1724 (powerpc-*-linux*): Likewise.
1725 (powerpc-wrs-vxworks*): Likewise.
1726 (powerpcle-wrs-vxworks*): Likewise.
1727 (powerpcle-*-sysv*): Likewise.
1728 (powerpcle-*-elf*): Likewise.
1729 (powerpcle-*-eabisim*): Likewise.
1730 (powerpcle-*-eabi*): Likewise.
1731 (powerpcle-*-solaris2*): Likewise.
1732 * config/rs6000/aix31.h: Delete includes.
1733 * config/rs6000/aix3newas.h: Likewise.
1734 * config/rs6000/aix41.h: Likewise.
1735 * config/rs6000/aix43.h: Likewise.
1736 * config/rs6000/beos.h: Likewise.
1737 * config/rs6000/rtems.h: Likewise.
1738 * config/rs6000/sysv4.h: Likewise.
1740 2001-01-09 Kazu Hirata <kazu@hxi.com>
1742 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1743 Change an argument mode of machine_mode to shift_mode of
1744 shift_mode. Remove an extra error check.
1745 (emit_a_shift): Adopt to the new calling prototype of
1747 (function_prologue): Fix code for a monitor
1748 function. Support H8/S.
1749 (function_epilogue): Do not output pop for a monitor function.
1751 2001-01-09 Nick Clifton <nickc@redhat.com>
1753 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1754 (setup_incoming_varargs): Use sysv_varargs_p field of the
1755 cfun->machine structure.
1756 (struct machine_function): Move to rs6000.h
1757 (rs6000_save_machine_status): Delete.
1758 (rs6000_restore_machine_status): Delete.
1759 (rs6000_init_machine_status): New Function.
1760 (rs6000_free_machine_status): New Function.
1761 (rs6000_init_expanders): Use new functions.
1763 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1765 (struct machine_function): Move here.
1767 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1768 sysv_varargs_p field of the cfun->machine structure.
1770 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1772 (rs6000_restore_machine_status): Remove prototype.
1774 2001-01-09 Richard Henderson <rth@redhat.com>
1776 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1777 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1778 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1779 (sched_analyze_2, sched_analyze_insn): Likewise.
1780 (sched_analyze, init_deps): Likewise.
1781 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1782 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1783 (compute_block_backward_dependences): Update propagate_deps call.
1785 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1787 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1789 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1791 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1792 (cpp_handle_option): Handle them.
1793 (cpp_post_options): Ensure one of -M or -MM is specified with
1794 any other -M? option.
1795 (init_dependency_output): Suppress output with -MG.
1797 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1800 * invoke.texi: Update.
1802 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1804 * sh.md (reload_outsf): Generate recognizable patterns for
1807 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1809 * c-lang.c (lang_hooks): Update.
1810 (lang_init): Rename c_init.
1811 (lang_finish): Remove.
1812 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1814 * toplev.h (lang_hooks): Add init () and finish ().
1815 * tree.h (lang_init, lang_finish): Remove.
1816 * cp/tree.h (lang_init, lang_finish): Remove.
1817 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1818 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1820 (lang_init, lang_finish): Remove.
1821 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1822 (lang_hooks): Update.
1823 * java/lang.c (lang_init): Rename java_init.
1824 (lang_finish): Remove.
1825 (lang_hooks): Update.
1826 * objc/objc-act.c (lang_init): Rename objc_init.
1827 (lang_finish): Remove.
1828 (lang_hoooks): Update.
1830 20001-01-09 Graham Stott <grahams@redhat.com>
1832 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1833 after `ptr` is initialised.
1835 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1837 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1838 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1839 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1840 stack adjusts, instead of r3.
1842 2001-01-09 Michael Hayes <mhayes@redhat.com>
1844 * flow.c (flow_loop_scan): Break out of ...
1845 (flow_loops_find) ... here.
1846 * basic-block.h (flow_loop_scan): New.
1847 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1848 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1850 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1852 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1854 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1855 realloc()ing macro_buffer.
1857 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1858 if it's wider than long and the target's long is wider than the
1861 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1863 Remove support for using UWIN as a host machine.
1864 * configure.in: Issue an error message.
1865 * configure: Regenerated.
1866 * config.gcc: Remove xm_* UWIN configury.
1867 * config/i386/xm-uwin.h: Remove.
1869 2001-01-08 Nick Clifton <nickc@redhat.com>
1871 * config/v850/v850.c (ra_rtx): Delete.
1872 (v850_save_machine_status): Delete.
1873 (v850_restore_machine_status): Delete.
1874 (v850_init_machine_status): New function.
1875 (v850_mark_machine_status): New function.
1876 (v850_free_machine_status): New function.
1877 (v850_return_addr): Use ra_rtx field in machine structure.
1878 (v850_init_expanders): Use new functions.
1880 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1881 * config/v850/v850.c: Change arguments to v850_output+* functions
1882 to take a const char *, to avoid compile time warning.
1883 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1884 (USER_LABEL_PREFIX): Redefine.
1886 2000-01-08 Jim Wilson <wilson@redhat.com>
1888 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1889 1 to unsigned HOST_WIDE_INT before left shift.
1891 2001-01-08 Nick Clifton <nickc@redhat.com>
1893 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1894 the machine structure has been allocated.
1895 (arm_free_machine_status): New function: Free the machine
1896 specific function structure.
1898 2001-01-08 Richard Henderson <rth@redhat.com>
1900 * jump.c (simplejump_p): Revert last change.
1902 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1904 * cppinit.c (init): Rename init_library.
1905 (cpp_create_reader): Update.
1906 * gcc.c (cpp_options): If -o given, use it as the target of
1909 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1911 * arm.c (arm_arch5e): New variable.
1912 (all_cores): XScale is a 5TE device.
1913 (arm_override_options): Set arm_arch5e.
1914 (arm_init_builtins): __builtin_prefetch is in arch5e.
1915 * arm.h (arm_arch5e): Declare it.
1917 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1919 * arm.md (define_constants): Add defines for UNSPEC and
1920 UNSPEC_VOLATILE insns. Update all users.
1921 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1922 * arm.c (multi_register_push, note_invalid_constants)
1923 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1924 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1925 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1927 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1929 * jump.c (jump_optimize_1): Use reversed_comparison_code
1930 instead of can_reverse_comparison_p.
1931 (jump_back_p): Likewise.
1932 (invert_exp_1): Likewise.
1933 (thread_jumps): Likewise.
1934 * simplify-rtx.c (simplify_unary_operation): Likewise.
1935 (simplify_ternary_operation): Likewise.
1936 * cse.c (find_comparison_args): Convert to use
1937 can_reverse_comparison_p.
1938 (record_jump_equiv): Likewise.
1940 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1942 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1943 (EPILOGUE_USES): Define.
1944 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1945 automatically stack the LR if it isn't live.
1947 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1949 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1952 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1954 * ggc-page.c (max_alignment): New structure.
1955 (MAX_ALIGNMENT): New macro.
1956 (init_ggc): Use it to round up the sizes in the
1957 extra_order_size_table.
1959 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1961 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1964 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1966 * builtins.def (BUILT_IN_FPRINTF): New entry.
1968 * c-common.c (c_expand_builtin_fprintf): New function.
1969 (init_function_format_info): Handle __builtin_fprintf.
1970 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1971 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1973 * c-decl.c (duplicate_decls): Adjust comment.
1975 * extend.texi (fprintf): Document new builtin.
1977 2001-01-07 Richard Henderson <rth@redhat.com>
1979 * jump.c (simplejump_p): Recognize any single_set jump
1982 2001-01-07 Richard Henderson <rth@redhat.com>
1984 * configure.in (slibdir): Accept an --with-slibdir option.
1985 Use "test" not "[" in configure. Default to $(libdir).
1987 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1989 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1990 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1991 (SHLIB_LINK): Create links for the soname.
1992 * config/mips/t-iris6: Likewise.
1993 * config/sparc/t-slibgcc: Likewise.
1994 * config/sparc/t-slibgcc-sld: Likewise.
1996 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1998 * config/i386/i386.c (constant_call_address_operand): Accept
1999 (const (plus (symbol_ref) (const_int))).
2000 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2001 constant_call_address_operand.
2003 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2005 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2006 and LONG_LONG_TYPE_SIZE > 32.
2008 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2010 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2011 the previous change.
2013 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2015 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2017 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2018 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2019 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2022 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2024 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2026 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2028 * c-lang.c (c_post_options): Call cpp_post_options.
2029 * objc/objc-act.c (objc_post_options): Similarly.
2030 * cppmain.c (main): Similarly.
2031 * fix-header.c (read_scan_file): Similarly.
2032 * cppinit.c (cpp_start_read): Move option consistency checks
2033 to cpp_post_options. Don't call init_dependency_output.
2034 If needed, add default target and main file dependency.
2035 (OPT_MD, OPT_MMD): Remove.
2037 (cpp_handle_option): Update for OPT_* changes.
2038 (cpp_post_options): New.
2039 (init_dependency_output): Command line -MF overrides environment
2040 variables. Don't set default target etc. Suppress output
2041 if dependencies are going to stdout.
2042 (print_help): Update.
2043 * cpplib.h (cpp_post_options): New.
2044 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2046 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2048 * jump.c (comparison_dominates_p): Support unordered compares.
2050 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2052 * simplify-rtx.c (simplify_relational_operation): Always simplify
2053 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2056 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2058 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2059 (nonzero_bits): Likewise.
2060 (simplify_comparison): Likewise.
2061 (num_sign_bit_copies): Likewise; return more sane value depending
2062 on STORE_FLAG_VALUE.
2063 (known_cond): Do not assume EQ to be always true for equivalent
2066 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2068 * cse.c (fold_rtx): Handle unordered comparisons.
2070 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2072 * rtlanal.c (set_of_1): New static function.
2073 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2074 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2075 reg_set_last_last_regno): Remove.
2076 (set_of): New global function.
2077 (set_of_data): New structure.
2078 (reg_set_p, reg_set_last): Revamp for set_of.
2079 * rtl.h (set_of): New.
2081 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2083 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2084 * extend.texi: Document _Exit builtin.
2086 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2088 * (initialize, initialize_builtins,
2089 initialize_dependency_output, initialize_standard_includes):
2090 Rename s/initialize/init. Update.
2091 (init_dependency_output): Move to after
2092 cpp_handle_options, the correct location temporally at least.
2093 (opt_comp): Move next to init (), its caller. Fix prototype.
2094 (init): Make "initialized" local scope.
2095 (cpp_create_reader): Always call init ().
2096 (cpp_start_read): Update.
2097 (output_deps): New function, broken out of cpp_finish.
2098 (cpp_finish): Break out output_deps.
2100 2001-01-07 Richard Henderson <rth@redhat.com>
2102 * collect2.c (COFF specific stuff): Revert 12-06 patch
2103 to prototype system functions.
2105 2001-01-07 Michael Hayes <mhayes@redhat.com>
2107 * hard-reg-set.h: Add multiple include guard.
2108 * basic-block.h (struct loop): Add `sink' field.
2109 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2110 (emit_iv_add_mult): Delete.
2111 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2112 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2113 (unroll_loop): Remove end_insert_before argument.
2114 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2115 (maybe_eliminate_biv_1): Likewise.
2116 (emit_iv_add_mult): Delete.
2117 (gen_add_mult, loop_regs_update): New.
2118 (loop_insn_emit_after, loop_insn_emit_before): New.
2119 (loop_insn_sink, loop_insn_sink_or_swim): New.
2120 (emit_iv_add_mult): Delete.
2121 (scan_loop): Set loop->sink.
2122 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2123 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2124 (maybe_eliminate_biv_1): Likewise.
2125 (maybe_eliminate_biv_1): Add basic block argument.
2126 * unroll.c (unroll_loop): Remove end_insert_before argument.
2127 (find_splittable_regs): Likewise.
2128 (find_splittable_regs): Use loop_insn_sink and its ilk.
2129 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2131 2001-01-07 Michael Hayes <mhayes@redhat.com>
2133 * loop.h (loop_insn_hoist): New prototype.
2134 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2135 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2136 (check_dbra_loop, load_mems): Likewise.
2137 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2138 (find_splittable_givs): Likewise.
2140 2001-01-07 Michael Hayes <mhayes@redhat.com>
2142 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2144 2001-01-07 Richard Henderson <rth@redhat.com>
2146 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2148 2001-01-07 Richard Henderson <rth@redhat.com>
2150 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2151 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2152 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2153 variant that handles a shared libgcc.
2154 (process_command): Always validate -{static,shared}-libgcc.
2155 (do_spec_1): New 'M' case.
2156 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2158 2001-01-07 Richard Henderson <rth@redhat.com>
2160 * Makefile.in (slibdir): New variable.
2161 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2162 (installdirs): Create slibdir.
2163 (install-libgcc, install-multilib): Defer to libgcc.mk.
2164 * configure.in (slibdir): Substitute.
2165 * mklibgcc.in (install): New target.
2167 * config/t-linux (SHLIB_LINK): Create links for the soname.
2168 (SHLIB_INSTALL): New.
2169 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2170 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2171 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2172 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2173 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2175 2001-01-07 Richard Henderson <rth@redhat.com>
2177 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2178 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2179 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2181 2001-01-07 Michael Hayes <mhayes@redhat.com>
2183 * loop.c (count_loop_regs_set): Delete.
2184 (load_mems_and_recount_loop_regs_set): Delete.
2185 (loop_regs_scan): Merge common code from count_loop_regs_set,
2186 scan_loop, and load_mems_and_recount_loop_regs_set.
2187 (scan_loop): Call load_mems directly and loop_regs_scan
2188 again if new registers created.
2190 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2192 * toplev.c (main): Call the front-end specific post_options
2193 hook if one is given.
2194 * toplev.h (struct_lang_hooks, lang_hooks): New.
2195 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2196 for the C front end.
2197 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2198 lang_hooks for the C++ front end.
2199 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2200 lang_hooks for the ObjC front end.
2201 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2202 * java/lang.c (lang_hooks): Hooks for the Java front end.
2204 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2206 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2207 for verbose DWARF[2] debugging.
2208 (cb_define, cb_undef): The new callbacks.
2209 * toplev.h (debug_define, debug_undef): Make const correct.
2210 * toplev.c (debug_define, debug_undef): Similarly. Do not
2211 perform the verbosity tests here anymore.
2213 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2215 * reload.c (subst_reloads): Take INSN argument. When
2216 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2217 * reload.h (subst_reloads): Adjust prototype.
2218 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2219 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2220 present in JUMP_INSNs and copy them to JUMP_LABEL.
2221 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2222 JUMP_INSNs and insns with REG_LABELs that are followed by
2223 JUMP_INSNs with the same REG_LABEL.
2224 * sched-rgn.c (is_cfg_nonregular): Likewise.
2225 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2227 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2229 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2231 2001-01-06 Richard Henderson <rth@redhat.com>
2233 * loop.c (scan_loop): Use xcalloc for the regs array.
2234 (load_mems_and_recount_loop_regs_set): Zero the new memory
2235 received from xrealloc.
2237 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2239 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2241 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2243 * integrate.c (copy_rtx_and_substitute): When copying
2244 an ignored return value, strip REG_FUNCTION_VALUE_P.
2246 2001-01-06 Michael Hayes <mhayes@redhat.com>
2248 * loop.c (debug_biv, debug_giv): New.
2249 (loop_biv_dump): Break out from ...
2250 (record_biv): ... here.
2251 (loop_giv_dump): Break out from ...
2252 (record_giv): ... here.
2253 (loop_bivs_check): Use print_simple_rtl.
2254 * unroll.c (loop_iterations): Use print_simple_rtl.
2256 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2258 * pa.md (return, return_internal): Modify patterns to prevent regrename
2259 mucking with the return pointer.
2261 2001-01-05 Richard Henderson <rth@redhat.com>
2263 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2265 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2267 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2268 version supplied by Matteo Frigo.
2270 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2272 * cpp.texi: Update for -MQ.
2273 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2274 (cpp_cleanup): Always free pfile->deps.
2275 (initialize_dependency_output): Don't create pfile->deps.
2276 (cpp_handle_option): Similarly.
2278 * gcc.c (cpp_options): Handle -MQ.
2279 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2280 * mkdeps.c (base_name): Remove.
2281 (deps_init): Don't allocate vector space until it's needed.
2282 (deps_free): Only free vectors if allocated.
2283 (deps_add_target, deps_add_dep): Update for initial allocation.
2284 (deps_add_default_target): Don't strip to the base_name.
2286 2001-01-05 DJ Delorie <dj@redhat.com>
2288 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2289 (INIT_EXPANDERS): Define.
2291 * config/v850/v850.c (struct machine_function): Define.
2292 (v850_save_machine_status): New function.
2293 (v850_restore_machine_status): New function.
2294 (v850_return_addr): New function.
2295 (v850_init_expanders): New function.
2297 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2298 and v850_init_expanders.
2300 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2302 * cpplib.h (struct cpp_reader): Add help_only field.
2303 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2304 (cpp_handle_option): Set pfile->help_only if we see -h,
2305 --help, -target-help, or --version. Print version string but
2306 do not set help_only if we see -v or -version. Make text
2307 printed by -v match that printed by (-)-version.
2309 * cppmain.c (main): Exit after option parsing if
2310 pfile->help_only is true.
2312 * toplev.c (independent_decode_option): Call print_version,
2313 then exit, if we see --version (but not -version).
2314 (print_version): Split lengthy message into two lines.
2316 2001-01-05 Nick Clifton <nickc@redhat.com>
2318 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2319 temporary string for initialisation before calling ggc_alloc_string.
2321 2001-01-06 Michael Hayes <mhayes@redhat.com>
2323 * rtl.h (print_simple_rtl): New.
2324 * print-rtl.c (print_simple_rtl): New.
2326 (print_rtx): Disable printing of flags and modes, etc.,
2327 if `flag_simple` nonzero.
2329 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2331 * function.c (fixup_var_refs): Use push_to_full_sequence where
2334 2001-01-05 Michael Meissner <meissner@redhat.com>
2336 * flags.h (flag_reorder_blocks): Add declaration.
2337 (flag_rename_block): Ditto.
2339 2001-01-05 DJ Delorie <dj@redhat.com>
2341 * function.c (reorder_blocks): Make sure the flags are all reset
2342 before using them to mark blocks, else a second invocation will
2343 corrupt the block chain.
2344 (reorder_blocks_0): New, resets the flags.
2346 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2348 * cse.c (find_comparison_args): Stop if the argument is known to
2351 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2353 * config/sh/sh.md (movdf): When splitting load into pair of
2354 registers, don't clobber the register used in the address too
2357 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2359 * varasm.c (mark_constant_pool): Improve initial comments.
2360 (mark_constants): Move marking of constants to mark_constant.
2361 (mark_constant): New function to recursively mark all constants
2362 referred to by a constant.
2364 2001-01-05 Catherine Moore <clm@redhat.com>
2366 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2368 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2370 * cp/lang-options.h: Bring comment in line with reality.
2371 * f/lang-options.h: Likewise.
2372 * java/lang-options.h: Likewise.
2373 * objc/lang-options.h: Likewise.
2374 * ch/lang-options.h: Likewise.
2375 * f/g77.texi: And update the manual.
2377 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2378 Denis Chertykov <denisc@overta.ru>
2380 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2381 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2382 * config/avr/avr.md (all peepholes that request a scratch register):
2383 Call it, FAIL the peephole if not safe (in interrupt functions).
2385 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2387 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2389 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2391 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2393 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2394 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2395 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2396 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2397 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2399 * extend.texi: Document these builtins.
2401 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2403 * c-common.c (lang_get_alias_set): Say we know nothing of
2404 VECTOR_TYPE aliasing.
2406 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2408 2001-01-05 Bruce Korb <bkorb@gnu.org>
2410 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2411 their x* equivalent versions for atexit-less systems
2412 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2413 systems (or any other system any more).
2415 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2417 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2418 output operands. Use arm_hard_register_operand for operand 4.
2419 (stmsi_postinc): Similarly.
2420 (ldmsi): Use arm_hard_register_operand for opernand 2.
2422 * arm.c (arm_hard_register_operand): New function.
2423 * arm-protos.h (arm_hard_register_operand): Prototype it.
2425 * arm.h (HARD_REGNO_RENAME_OK): Define.
2427 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2429 * simplify-rtx.c (cfc_args): add "unordered" field.
2430 (check_fold_consts): Set unordered field.
2431 (simplify_relational_operation): Simplify the unordered
2434 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2437 * emit-rtl.c (try_split): Fix code to mark labels.
2438 * jump.c (mark_jump_label): Make global.
2439 * rtl.h (mark_jump_label): Declare.
2441 * predict.c (estimate_probability): Handle unordred comparisons.
2443 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2445 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2446 * cppinit.c (initialize_dependency_output): Update.
2447 (cpp_finish): Output dummy targets for -MP.
2449 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2450 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2451 * gcc.c (cpp_options): Update to handle -MP.
2452 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2453 to quote only the default target.
2454 (deps_phony_targets): Insert a preceding newline. Rename from
2455 deps_dummy_targets for consistency.
2458 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2460 * calls.c (emit_library_call_value_1): Support
2461 INIT_CUMULATIVE_LIBCALL_ARGS.
2462 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2464 2001-01-04 Richard Henderson <rth@redhat.com>
2466 * c-decl.c (finish_struct): Detect flexible array members
2467 used in an inappropriate context.
2468 * c-typeck.c (really_start_incremental_init): Special case
2469 constructor_max_index for zero length arrays.
2470 (pop_init_level): Allow initialization of flexible array
2471 members. Deprecate initialization of zero length arrays.
2472 Don't issue missing initializer warning for flexible array
2473 members or zero length arrays.
2474 (process_init_element): Don't dereference null DECL_SIZE.
2475 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2476 Don't abort for empty constructors. Use size_binop
2477 (output_constructor): Add commentary regarding zero length
2478 array futures. Abort if we try to initialize an array of
2479 unspecified length with a non-empty constructor in the middle
2482 * extend.texi (Zero Length): Update and clarify documentation
2483 on static initialization.
2485 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2487 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2488 with more than 32767 words of local storage.
2490 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2492 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2493 for 'abs', 'labs', and 'fabs'.
2494 (c4x_expand_builtin): Likewise.
2495 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2497 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2499 * config/sh/sh.md (prget, prset): New insn types.
2500 (return delay slot): Dont' allow prset.
2501 (call, sfunc delay slot): Don't allow prget.
2502 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2503 for prset and prget.
2505 2001-01-05 Michael Hayes <mhayes@redhat.com>
2507 * loop.h (struct loop_reg): New.
2508 (struct loop_regs): Change to use array of `struct loop_reg'.
2509 * loop.c: Replace assortment of varrays with single regs array.
2510 (count_one_set): Delete may_not_move array argument
2511 and use regs array instead. All caller's changed.
2512 (count_loop_regs_set): Delete may_not_move and single_usage
2513 arguments and use regs array instead. All caller's changed.
2514 (find_single_use_in_loop): Replace usage array argument with pointer
2515 to regs structure. All caller's changed.
2516 (loop_optimize): Delete `moved_once' array.
2518 2001-01-05 Michael Hayes <mhayes@redhat.com>
2520 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2521 Use it instead of loop_info->has_call for scanning loop mems.
2522 (check_dbra_loop): Replace loop_info->has_call test with
2523 loop_info->has_nonconst_call.
2525 2000-01-04 Matthew Hiller <hiller@redhat.com>
2527 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2530 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2532 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2533 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2535 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2537 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2538 (flag_short_double, flag_short_wchar): Define.
2539 (c_common_nodes_and_builtins): Create many tree nodes shared
2540 between C and C++ here instead of in cp/decl.c and ...
2541 * c-decl.c (init_decl_processing): ... here.
2542 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2543 (flag_short_double, flag_short_wchar): Don't define.
2544 (record_builtin_type): New function.
2545 (build_void_list_node): New function.
2546 * c-common.h (flag_short_double, flag_short_wchar,
2547 record_builtin_type, build_void_list_node): Declare.
2549 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2551 * integrate.c (expand_inline_function): Don't put a virtual
2552 register into the reg map.
2554 * function.c (fixup_var_refs_1): If force_operand didn't put
2555 the address into the target, move it there.
2557 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2559 Special-case tree_decl/tree_list allocations.
2560 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2561 (OBJECT_SIZE): New macro.
2562 (NUM_EXTRA_ORDER): Likewise.
2563 (extra_order_size_table): New variable.
2564 (NUM_ORDERS): New macro.
2565 (objects_per_page_table): New variable.
2566 (object_size_table): New variable.
2567 (G.pages): Use NUM_ORDERS to bound the array.
2568 (G.page_tails): Likewise.
2569 (DIV_ROUND_UP): Remove.
2570 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2571 (alloc_page): Use OBJECT_SIZE.
2572 (size_lookup): Don't make it const.
2573 (ggc_alloc): Use OBJECT_SIZE.
2574 (ggc_set_mark): Likewise.
2575 (ggc_get_size): Likewise.
2576 (init_ggc): Set up the object_size_table, objects_per_page_table,
2577 and adjust size_lookup.
2578 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2579 (ggc_pop_context): Use NUM_ORDERS.
2580 (clear_marks): Likewise.
2581 (sweep_pages): Likewise.
2582 (poison_pages): Likewise.
2583 (ggc_print_statistics): Use OBJECT_SIZE.
2585 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2587 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2588 Only call array_size_for_constructor if last field and array type
2589 with no upper bound.
2591 2001-01-04 Philip Blundell <philb@gnu.org>
2593 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2594 from bit 31 downwards, if this requires no more insns.
2595 (count_insns_for_constant): New helper function for above.
2597 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2599 * gencodes.c (output_predicate_decls): Remove empty initializer.
2601 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2603 * tree.c (copy_node): Remove documentation about obstacks.
2604 (buidl1): Check that nobody tries to build 2-argument nodes this
2607 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2609 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2612 * gencodes.c (output_predicate_decls): Fill empty initializer
2615 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2617 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2618 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2620 (do_include): Handle missing headers like cpp0.
2621 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2622 paths with first include pathname. Don't strcat to uninitialized
2625 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2627 * regrename.c (regrename_optimize): Don't rename from frame pointer
2628 if frame_pointer_needed.
2629 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2630 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2631 (ia64_reorg): Use it instead of scheduling if ! optimize.
2632 (errata_emit_nops): Properly call asm_noperands.
2633 (ia64_sched_reorder): Finish cycle if we see an asm.
2634 (ia64_variable_issue): Clear scheduling state after asms.
2636 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2638 * cpp.texi: Update for -MT.
2639 * cppinit.c (initialize_dependency_output): Add a default
2640 target if none has been given already.
2641 (no_tgt, OPT_MT): New.
2642 (cpp_handle_option): Handle -MT. Update -M etc.
2643 * cpplib.h (struct cpp_options): Remove deps_target.
2644 * gcc.c (cpp_options): Handle -MT.
2645 * mkdeps.c (struct deps): Move from mkdeps.h.
2646 (deps_calc_target): Rename deps_add_default_target. Add a
2647 default target if none has been specified already.
2648 * mkdeps.h (struct deps): Move to mkdeps.c.
2649 (deps_calc_target): Rename deps_add_default_target.
2651 2000-01-03 Richard Henderson <rth@redhat.com>
2653 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2655 * c-typeck.c (push_init_level): Move checks for flexible array
2656 members and zero length arrays ...
2657 (pop_init_level): ... here. Silently discard empty initializations.
2659 * varasm.c (output_constructor): Update for sizeof change to
2662 * extend.texi (Zero Length): Clarify semantics.
2664 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2666 * configure.in (tm.h): Include isns-codes.h last.
2667 * configure: Rebuilt.
2669 2001-01-03 Richard Henderson <rth@redhat.com>
2671 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2672 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2674 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2676 * tradcpp.c (main): Make sure finclude() is called with a valid
2677 indepth value while handling -include.
2679 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2681 * gencodes.c (output_predicate_decls): New function.
2683 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2684 even if it is not the first time machmode.h is #included.
2685 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2686 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2687 * gcc.texi (Copyright): Added 2001.
2689 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2691 * c-common.c (c_common_lang_init): New function. Warn if format
2692 warning options which only have effects when used with -Wformat
2693 are used without -Wformat.
2694 * c-common.h (c_common_lang_init): Declare.
2695 * c-lang.c (lang_init): Call c_common_lang_init.
2696 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2698 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2700 * configure.in: Check for the mktemp command.
2701 * configure: Regenerate.
2702 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2703 $TEMP. Create temporary files with mktemp, if available at
2704 configure time; otherwise use set -C. Remove temporary files
2707 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2709 * configure.in: Require at least texinfo 4.0. Check for whether
2710 Pod::Man is sufficiently recent to regenerate GCC manpages.
2711 * configure: Regenerate.
2712 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2714 (GENERATED_MANPAGES): Define.
2715 (generated-manpages): New target. Depend on cpp.1 as well as
2717 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2718 configure to generated-manpages or empty) rather than on the
2719 manpages directly. Remove execute permission from installed
2720 gcov.1 as well as cpp.1.
2721 * cpp.1, gcov.1: Regenerate.
2723 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2725 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2726 tree_low_cst. Allow using cmpstrsi in more cases.
2728 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2730 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2733 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2735 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2736 * Makefile.in (HOST_CFLAGS): Mention build-make.
2738 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2740 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2743 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2745 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2748 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2751 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2752 reg_base_value and reg_known_value arrays.
2753 (init_alias_analysis): Add more cases to detect known values.
2754 * sched-deps.c (deps_may_trap_p): New function.
2755 (sched_analyze_2): Use it.
2757 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2759 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2760 don't discard an ASHIFTRT if we're shifting in a wider mode.
2762 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2764 * toplev.c (rest_of_compilation): Don't print basic block information
2765 when CFG isn't up to date.
2767 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2769 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2770 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2771 (UNALIGNED_SHORT_ASM_OP): Define.
2772 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2774 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2776 * fold-const.c (fold_convert): Fix typo.
2778 2001-01-02 Richard Henderson <rth@redhat.com>
2780 * c-common.h (ASM_INPUT_P): New.
2781 * c-parse.in (asm): Set it when needed.
2782 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2783 existance of an operand.
2785 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2787 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2788 (dwarf2out_frame_debug_expr): Likewise.
2789 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2791 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2793 * i386.c (ix86_split_to_parts): Return number of part required;
2795 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2797 (ix86_split_long_move): Use number of part returned
2798 by ix86_split_to_parts
2799 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2801 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2802 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2803 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2804 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2805 (ALIGN_MODE_128): Add TFmode.
2806 (IS_STACK_MODE): Likewise.
2807 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2808 (HARD_REGNO_OK): Support TFmodes.
2809 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2810 * i386.md (scheduler definitions): Use memory operand to determine
2811 fst/fld instructions; use mode attribute to determine real mode of
2813 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2814 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2816 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2818 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2820 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2822 * expr.c (store_constructor_field): Update ALIGN before calling
2825 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2827 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2830 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2832 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2835 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2837 * c-decl.c (start_function): Don't warn on third parameter to main.
2839 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2841 * tsystem.h: Define HAVE_DECL_GETOPT.
2843 2001-01-02 Philip Blundell <pb@futuretv.com>
2845 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2848 2001-01-02 Richard Henderson <rth@redhat.com>
2850 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2852 2001-01-02 Andreas Jaeger <aj@suse.de>
2854 * c-decl.c (c_decode_option): Remove support of
2857 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2858 (W_options): Add -Wmissing-noreturn here.
2860 * flow.c: Define lang_missing_noreturn_ok_p.
2861 (check_function_return_warnings): Use it.
2863 * c-common.h: Declare lang_missing_noreturn_ok_p.
2865 * c-lang.c (c_missing_noreturn_ok_p): New function.
2866 (lang_init): Set lang_missing_noreturn_ok_p.
2868 * invoke.texi (Warning Options): Document this.
2870 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2872 * extend.texi (C++ Extensions): New node for C++ attributes;
2873 describe init_priority and com_interface.
2874 * invoke.texi: Remove -finit-priority as it now has zero effect.
2875 * install.texi: Fix xref syntax.
2876 * md.texi: Likewise.
2878 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2880 * config.gcc (sparc64-wrs-vxworks*): New case.
2881 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2883 * config/sparc/sparc.c (sparc_override_options): Do support different
2884 pointer and architecture size.
2885 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2886 (POINTERS_EXTEND_UNSIGNED): Define.
2887 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2888 (FUNCTION_MODE): Define to be Pmode.
2889 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2891 * function.c (expand_function_end): Properly handle DECL_RESULT
2892 and copy when ptr_mode != Pmode.
2893 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2895 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2897 * c-common.c (c_common_nodes_and_builtins): Set prototype
2898 parameters for __builtin_fputs, __builtin_fputc and
2899 __builtin_fwrite. Don't declare plain fputc as a builtin.
2901 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2903 * loop.c (add_label_notes): Increment the label usage count when
2904 a note is added to an insn which refers to a CODE_LABEL.
2905 * gcse.c (add_label_notes): Likewise.
2907 2001-01-01 Andreas Jaeger <aj@suse.de>
2909 * loop.c (scan_loop): Use xmalloc to allocate movables.
2911 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2913 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2914 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2915 * reload1.c (REGISTER_MOVE_COST): Likewise.
2916 * regclass.c (REGISTER_MOVE_COST): Likewise.
2917 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2918 dimension. Adjust all users.
2919 (init_reg_sets_1): Iterate on all modes.
2920 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2921 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2922 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2923 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2924 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2925 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2926 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2927 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2928 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2929 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2930 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2931 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2932 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2933 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2934 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2935 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2936 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2937 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2938 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2939 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2940 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2941 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2942 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2943 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2944 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2945 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2946 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2948 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2950 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2951 arg VARIES_P. Call it with extra arg.
2952 (true_dependence): Likewise.
2953 * rtl.h (rtx_addr_can_trap_p): Declare.
2954 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2956 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2957 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2958 pic offset table register if it's zero. All callers changed.
2959 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2961 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2963 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2964 STRING_POOL_ADDRESS_P.
2966 * config/sparc/sparc.c (input_operand): Properly test for short op.
2968 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2969 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2970 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2971 * config/sparc/elf.h: No longer include sol2.h.
2972 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2973 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2975 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2977 2001-01-01 Michael Hayes <mhayes@redhat.com>
2979 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2980 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2981 (record_initial): Likewise.
2982 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2983 (remap_split_bivs): Likewise.
2985 2001-01-01 Michael Hayes <mhayes@redhat.com>
2987 * loop.c (loop_ivs_free): New function.
2988 (strength_reduce): Break out from...
2990 2001-01-01 Michael Hayes <mhayes@redhat.com>
2992 * loop.h (struct iv): New.
2993 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2994 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2995 'reg_biv_class' fields with 'regs' and 'n_regs'.
2996 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2997 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2998 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3000 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3002 * resource.c (mark_referenced_resources): Abort() before
3003 attempting to mark a pseudo register.
3004 (mark_set_resources): Likewise.
3006 2001-01-01 Michael Hayes <mhayes@redhat.com>
3008 * loop.h (REG_IV_CLASS): New accessor macro.
3009 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3010 * unroll.c (REG_IV_CLASS): Likewise.
3012 See ChangeLog.4 for earlier changes.
OSDN Git Service
