1 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5 not have any upper bits set.
7 2001-01-29 Phil Edwards <pme@sources.redhat.com>
9 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
11 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
15 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
17 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
18 (integer_minus_one_node): Define.
20 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
22 * Makefile.in (bootstrap2-lean): Fix typo.
24 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
26 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
28 * cpplib.h (AVOID_LPASTE): New flag.
29 (struct cpp_hashnode): Remove fe_value.
30 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
31 * cppmacro.c (builtin_macro): Don't set flags here.
32 (replace_args): Set AVOID_LPASTE flag on first token of an
33 argument, and the token following it.
34 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
35 macro expansion, and on the token following it. Do it for
37 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
39 2001-01-27 Richard Henderson <rth@redhat.com>
41 * config/alpha/t-ieee: Remove multilibbing.
42 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
44 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
46 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
48 * Makefile.in: Remove all dependencies on defaults.h.
49 * builtins.c: Don't include defaults.h.
50 * c-common.c: Likewise.
52 * c-pragma.c: Likewise.
53 * c-typeck.c: Likewise.
54 * combine.c: Likewise.
56 * frame-ia64.c: Likewise.
58 * crtstuff.c: Likewise.
60 * dwarf2out.c: Likewise.
61 * dwarfout.c: Likewise.
62 * emit-rtl.c: Likewise.
66 * frame-dwarf2.c: Likewise.
67 * libgcc2.c: Likewise.
69 * profile.c: Likewise.
72 * tradcif.y: Likewise.
76 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
78 * builtins.c (expand_builtin_fputs): Use size_one_node when
79 transforming into fwrite.
81 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
83 * extend.texi (Attribute Syntax): New section.
85 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
87 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
88 they didn't need fixing.
90 2001-01-27 Janis Johnson <janis@us.ibm.com>
92 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
94 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
95 to remove macro definitions that are duplicated from elfos.h.
97 2001-01-27 Richard Henderson <rth@redhat.com>
99 * config/i386/sco5gas.h: Move ...
100 * config/usegas.h: ... here.
101 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
103 2001-01-27 Jakub Jelinek <jakub@redhat.com>
105 * c-typeck.c (struct constructor_stack): Add range_stack member.
106 (really_start_incremental_init): Clear it.
107 (push_init_level): Save constructor_range_stack and clear it if
108 pushing explicit braces.
109 (pop_init_level): abort if constructor_range_stack is non-zero at
110 explicit closing brace. Restore saved constructor_range_stack if
113 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
115 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
116 into register was forced into memory.
118 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
120 * Makefile.in: Remove uses of + before $(MAKE).
122 2001-01-26 Richard Henderson <rth@redhat.com>
124 * stmt.c (cost_table): Remove.
125 (COST_TABLE, cost_table_initialized): New.
126 (estimate_case_costs): Use the later instead of the former.
127 (balance_case_nodes): Likewise.
129 2001-01-26 Richard Henderson <rth@redhat.com>
131 * alias.c (objects_must_conflict_p): Read-only slots may not
132 conflict despite having the same type.
134 2001-01-27 Michael Hayes <mhayes@redhat.com>
136 * loop.c (loop_giv_reduce_benefit): Copy mode size into
138 (check_ext_dependant_givs): Initialise u_start_val and
140 (load_mems): Make last_max_reg unsigned.
141 (try_swap_copy_prop): Use INSN_P and initialise set.
143 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
145 * README.AVR : Removed.
147 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
149 * pa-64.h (text_section): Remove declaration.
151 * pa.md (return_internal): Remove mode on PIC register use.
153 2001-01-25 lars brinkhoff <lars@nocrew.org>
155 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
156 ASM_CLOSE_PAREN): fix typos.
158 2001-01-25 Mark Mitchell <mark@codesourcery.com>
160 * acconfig.h: Define `const' to the empty string if neither
161 __STDC__ nor __cplusplus is defined.
162 * config.in: Regenerated.
164 2001-01-25 David Edelsohn <edelsohn@gnu.org>
166 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
167 * collect2.c (main): Delete importf. Add ".obj" file extension.
168 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
169 (aix_std_libs): Add additional AIX libraries to skip.
170 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
171 * config/rs6000/aix51.h: New file.
173 2001-01-25 Michael Hayes <mhayes@redhat.com>
175 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
176 (loop_insn_emit_before): No longer static.
177 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
178 (loop_givs_rescan, load_mems): Likewise.
179 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
180 (maybe_eliminate_biv_1):
181 (move_movables): Replace emit_call_insn_before with
182 loop_call_insn_hoist.
183 * loop.h (loop_insn_emit_before): Add.
184 * unroll.c (copy_loop_body): Replace emit_insn_before with
185 loop_insn_emit_before.
187 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
189 * diagnostic.c (fatal): Request preprocessed source.
191 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
193 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
194 olddecl has argument types and newdecl has none, use the argument
197 2001-01-24 Ulrich Drepper <drepper@redhat.com>
199 * dwarf2out.c (prefix_of): New function. Determine longest common
200 prefix of the two arguments. The units are whole path components.
201 (output_file_names): When adding a new directory find the one entry
202 with the longest common prefix already in the list. Artificially
203 generate entry if there is none for this prefix.
204 Fix test to check whether the zeroth directory entry is used.
206 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
208 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
209 Changed all callers. Take it into account when deciding if a
210 previously loaded value matches.
212 2001-01-24 Richard Henderson <rth@redhat.com>
214 * reload.c (find_reloads_subreg_address): Fail the substitution
215 if the resulting address is insufficiently aligned.
217 2001-01-24 DJ Delorie <dj@redhat.com>
219 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
220 check the original operand's mode also.
221 * simplify-rtx.c (simplify_ternary_operation): Ditto.
223 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
225 * c-parse.in (cast_expr): Move compound literals from here ...
226 (primary): ... to here. Use standard terminology "compound
227 literal" instead of "constructor expression".
229 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
231 * gcc.1, cpp.1: Regenerate.
233 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
235 * calls.c (emit_library_call_value_1): Memory slot for
236 pass-by-reference argument should have the mode of the argument,
237 not of the pointer to it.
239 2001-01-24 Tom Tromey <tromey@redhat.com>
241 * gcc.texi (G++ and GCC): Mention gcj manual.
242 (Standards): Link to section of manual mentioning gcj/Java
245 2001-01-24 Jakub Jelinek <jakub@redhat.com>
247 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
248 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
249 * tradcpp.c (main): Add -imacros or -include'd dependencies
251 * cpp.texi (-M, -MM): Document -M -include behaviour.
253 2001-01-24 Roger Collins <roger@ProProject.com>
255 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
257 2001-01-24 Will Cohen <wcohen@redhat.com>
259 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
260 whether registers are 32 bits or 64 bits in size.
262 2001-01-24 Ben Elliston <bje@redhat.com>
264 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
266 2001-01-24 Richard Henderson <rth@redhat.com>
268 * config/alpha/alpha.md (builtin_longjmp_internal): New.
269 (builtin_longjmp): Use it instead of emit_indirect_jump.
271 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
273 * bb-reorder.c (make_reorder_chain_1): Handle case where
274 jump edge goes to the same block as the fallthru edge.
276 2001-01-23 Jim Wilson <wilson@redhat.com>
278 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
279 * frame.h (__ia64_personality_v1): Add prototype.
280 * libgcc2.c (ia64_throw_helper): Change personality declaration to
281 prototype form. Add void * cast to first argument to personality
283 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
284 (asctoe113): Likewise.
285 * config/ia64/frame-ia64.c: Include eh-common.h.
286 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
288 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
290 (itanium_split_issue): Add prototype.
291 (gen_nop_type): Ifdef out.
292 (find_best_packet): Initialize best_packet.
293 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
295 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
296 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
297 (flushrs): Add explicit stop bit at end.
298 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
301 2001-01-23 Chris Demetriou <cgd@broadcom.com>
303 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
305 * libgcc2.c (__terminate_func): Make variable static.
306 (__terminate_set_func): New function to set __terminate_func.
307 * libgcc2.h (__terminate_func_ptr): New typedef.
308 (__terminate_set_func): New function.
310 2001-01-23 Richard Henderson <rth@redhat.com>
312 * flow.c (init_propagate_block_info): Don't consider unchanging
313 memories for dead frame store elimination.
315 2001-01-23 Richard Henderson <rth@redhat.com>
317 * varasm.c (UNIQUE_SECTION): Move default implementation ...
318 * defaults.h: ... here.
320 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
322 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
324 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
326 * c-lex.c (lex_charconst): Fix typo: s/p/str.
328 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
330 * rs6000.h (rs6000_return_addr): Move prototype from here...
331 * rs6000-protos.h (rs6000_return_addr): ...to here.
332 (rs6000_init_expanders): Delete prototype.
334 2001-01-23 Nick Clifton <nickc@redhat.com>
336 * invoke.texi: Replace , with \, inside @gccoptlist macros.
337 (Spec Files): Document %B and %j and %. and %v3 and %M and
338 %{S*&T} spec switches.
340 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
342 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
344 2001-01-23 Chris Demetriou <cgd@sibyte.com>
345 Neil Booth <neil@daikokuya.demon.co.uk>
347 * cpperror.c: Merge handlers of PEDWARN and WARNING.
348 Have -Werror make pedantic warnings errors, like the
351 2001-01-23 Phil Edwards <pme@sources.redhat.com>
353 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
355 2001-01-23 Jakub Jelinek <jakub@redhat.com>
357 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
358 * integrate.c (expand_inline_function): Initialize them.
359 (subst_constants): If changing COMPARE so that both its arguments
360 will be VOIDmode and the comparison mode will be lost, note
361 compare_mode. Use the recorded compare_mode to optimize
364 2001-01-23 Jason Merrill <jason@redhat.com>
366 * dwarf2out.c (new_die): Use xcalloc.
367 (output_die): Abort rather than emit a local reference to offset 0.
369 2001-01-17 Andrew Haley <aph@redhat.com>
371 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
372 of a saved register; return NULL instead.
373 (copy_reg): Take a pointer to a source register rather than a
375 (next_stack_level): Remember the address in the stack frame of all
377 Use the saved register pointer array as the source of the CFA.
378 (throw_helper): Rewrite. Unwind once rather than twice and keep
379 track of saved registers as we go.
381 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
383 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
384 * c4x.c (c4x_legitimize_reload_address): Remove.
385 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
386 reload address for ldp(k) insn.
388 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
390 * pa.md (return_internal): Add a USE of the PIC register to ensure
391 it is restored after each call.
392 (return expander): Corresponding changes.
394 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
396 * rs6000.h (INIT_EXPANDERS): Delete.
397 (RETURN_ADDR_RTX): Call rs6000_return_addr().
398 * rs6000.c (rs6000_override_options): Call *_machine_status from
400 (rs6000_init_expanders): ...instead of here. Delete.
401 (rs6000_mark_machine_status): New function.
402 (rs6000_init_machine_status): Use xcalloc.
403 (rs6000_return_addr): Generate RTX for the return address.
404 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
405 (rs6000_stack_info): Use it.
407 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
409 * gthr-win32.h: Include errno.h to get a declaration for
410 EINVAL and _mingw.h if the target is mingw32.
412 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
414 * cpp.texi: Correct typos.
416 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
418 * explow.c (probe_stack_range): Ensure value passed to
419 stack_check_libfunc is ptr_mode, not Pmode.
421 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
423 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
424 case, don't use operand_subword to calculate a SUBREG that is
427 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
429 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
431 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
432 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
433 valid. If not replace it by equivalent insns.
435 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
437 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
438 contains SYMBOL_REF, LABEL_REF and CONST_INT.
439 (c4x_U_constraint, symbolic_address_operand): Likewise.
440 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
442 (c4x_r11_set_p, c4x_check_laj_p): New functions.
443 * c4x-protos.h (c4x_check_laj_p): Add prototype.
444 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
445 anulling slot because of silicon bug.
446 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
448 2001-01-22 Alan Modra <alan@linuxcare.com.au>
450 * cppexp.c (parse_charconst): Change `mask' type to agree
453 2001-01-21 Richard Henderson <rth@redhat.com>
455 * config/i386/i386.c (ix86_asm_file_end): Disable putting
456 pic_label_name in a linkonce section.
458 2001-01-17 Philipp Thomas <pthomas@suse.de>
460 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
462 * configure: Regenerate.
464 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
466 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
467 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
469 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
471 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
472 If REVERSE nonzero then condition code in X must be reversed.
473 (encode_section_info): Optimise if/else.
474 (avr_function_value): Fix formatting.
476 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
477 (difficult_branch): Likewise.
478 (rvbranch): Likewise.
479 (difficult_rvbranch): Likewise.
481 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
483 * config/avr/libgcc.S: Fix comment.
485 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
487 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
489 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
491 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
493 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
495 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
496 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
497 * configure, config.in: Regenerate.
498 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
499 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
500 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
501 (doprint.o): New rule.
503 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
505 * c-typeck.c (digest_init): Handle boolean types as scalars.
507 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
509 * stmt.c (expand_return): Don't return anything if size is zero.
510 Delete redundant assignment to BYTES.
511 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
513 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
515 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
516 the same as the default library function names.
517 * config/avr/avr.md: Document special characters after '%'.
518 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
519 knowing which of the call-used registers are really clobbered.
520 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
521 New. Both quotient and remainder from one libgcc.S call.
522 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
523 clobber as few registers as possible.
524 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
526 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
528 * cppmacro.c (funlike_invocation_p): Don't move back up to the
529 context of the top of the stack.
531 2001-01-20 Jakub Jelinek <jakub@redhat.com>
533 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
534 (fixup_var_refs_insns): ...here.
536 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
538 * function.c (fixup_var_refs_insns): Break up into
539 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
540 [loop over entire insn list], and fixup_var_refs_insns_with_hash
541 [loop over hash table entries].
542 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
543 fixup_var_refs_insns_with_hash, to match above changes.
545 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
547 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
548 (libgcc.a): Likewise.
549 (stmp-multilib): Likewise.
550 (STAGE2_FLAGS_TO_PASS): Likewise.
552 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
554 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
555 temporary if no_new_pseudos.
557 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
559 * cppinternals.texi: Update.
561 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
563 * arm.c (arm_init_builtins): Re-enable builtins.
565 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
567 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
568 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
569 element to be null, and always expect an EXPR_LIST.
570 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
571 * sched-deps.c (sched_analyze_1): Likewise.
572 * sched-rgn.c (check_live_1, update_live_1): Likewise.
574 * regclass.c (max_set_parallel): New variable.
575 (reg_scan): Take it into account in computation of max_parallel.
576 (reg_scan_mark_refs, case SET): Compute it.
578 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
580 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
581 * function.c (assign_parms): Use INTVAL for a CONST_INT.
583 2001-01-19 Jason Merrill <jason@redhat.com>
585 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
586 for the abstract instance of an inline function.
588 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
589 J"orn Rennecke <amylaar@redhat.com>
591 * reload1.c (move2add_note_store): Treat all registers directly or
592 indirectly derived from a base register as members of the same set
594 (reload_cse_move2add): Adjust accordingly. Take mode and offset
595 of base register into account.
597 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
599 * alias.c (find_base_value): Recognize TRUNCATE.
600 (record_set): In PLUS case, invalidate if other summand is also a
603 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
605 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
606 entry to be EXPR_LIST.
607 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
608 be an EXPR_LIST (but not null, which other code doesn't allow).
609 (note_stores): Properly handle PARALLEL in SET.
610 Recursively call for top-level PARALLEL.
611 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
612 * sched-rgn.c (check_live_1, update_live_1): Likewise.
614 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
616 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
618 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
619 not pfile->skipping (== 0).
621 2001-01-17 Nick Clifton <nickc@redhat.com>
623 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
626 2001-01-17 Jim Wilson <wilson@redhat.com>
628 * invoke.texi (IA-64 options): Improve.
630 2001-01-17 Tom Tromey <tromey@redhat.com>
632 * invoke.texi (Optimize Options): Use `{}' to around @samp
635 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
637 * invoke.texi (-fno-guess-branch-probability): New option.
639 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
641 * combine.c (try_combine): Don't set i3_subst_into_i2 for
642 case of making new double-word constant.
643 Revert last change: instead just test i3_subst_into_i2.
645 2001-01-17 Jakub Jelinek <jakub@redhat.com>
647 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
648 Use q constraints instead of r.
650 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
652 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
653 (machine_function): Define.
654 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
655 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
656 pa_free_machine_status): New functions.
657 (override_options): Set {init,mark,free}_machine_status to above.
658 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
659 PIC_OFFSET_TABLE_REGNUM_SAVED.
660 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
661 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
662 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
663 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
664 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
666 2001-01-15 DJ Delorie <dj@redhat.com>
668 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
672 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
674 * flow.c (propagate_on_insn): Make trying to delete a prologue
675 or epilogue insn an ICE, not a warning. Allow doing this if
676 the current function returns with stack pointer depressed.
678 * combine.c (try_combine): If i3_subst_into_i2, properly check for
679 I3 having more than one SET.
681 2001-01-16 Jim Wilson <wilson@redhat.com>
683 * invoke.texi: Document IA-64 options.
685 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
686 (fixup_errata): Delete TARGET_A_STEP use.
687 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
688 (TARGET_SWITCHES): Delete -ma-step option.
689 * config/ia64/ia64.md (all FP patterns): Delete %B0.
690 (movqicc_astep, movqi_internal_astep, movhicc_astep,
691 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
692 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
693 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
694 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
696 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
697 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
698 cmovsi_internal): Delete ! TARGET_A_STEP check.
700 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
702 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
703 possibility to report bugs via postal mail. Change a URL and
704 merge in a nearly duplicate statement...
705 (Bug Reporting): ...from here.
706 (Service): Refer to the Bug Reporting section instead of
708 (Contributing): Remove trivial explanations concerning snapshots.
710 2001-01-16 Alan Modra <alan@linuxcare.com.au>
712 * cppmain.c (general_init): Don't use ANSI prototype.
714 2001-01-16 Tom Tromey <tromey@redhat.com>
716 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
718 2001-01-16 Richard Henderson <rth@redhat.com>
720 * config/i386/i386.h: Fix comment typo.
721 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
722 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
724 2001-01-16 Phil Edwards <pme@sources.redhat.com>
726 * gcc.c: Revert previous -fsyntax-only-related change; move
729 2001-01-16 Jakub Jelinek <jakub@redhat.com>
731 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
732 inmode after checking GET_CODE (op).
734 2001-01-16 Richard Henderson <rth@redhat.com>
736 * flow.c (struct propagate_block_info): Add mem_set_list_len.
737 (MAX_MEM_SET_LIST_LEN): New.
738 (propagate_one_insn): Update mem_set_list_len.
739 (invalidate_mems_from_autoinc): Likewise.
740 (invalidate_mems_from_set): Likewise.
741 (mark_used_regs): Likewise.
742 (init_propagate_block_info): Likewise. Stop collecting memories
743 when we reach MAX_MEM_SET_LIST_LEN.
744 (mark_set_1): Likewise.
746 2001-01-16 Richard Henderson <rth@redhat.com>
748 * unroll.c (precondition_loop_p): Fail if no iteration
751 2001-01-16 Phil Edwards <pme@sources.redhat.com>
753 * gcc.c: When -fsyntax-only is given, do not complain about
756 2001-01-15 Richard Henderson <rth@redhat.com>
758 * config/i386/i386.c (asm_output_function_prefix): Remove.
759 (ix86_asm_file_end): New.
760 (load_pic_register): Generate pic_label_name into a
761 staticly allocated buffer.
762 * config/i386/i386-protos.h: Update.
763 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
765 * config/i386/i386afe.h: New file.
766 * config.gcc (i?86-*-elf) [tm_file]: Use it.
767 (i?86-*-{freebsd,linux*,moss*}): Likewise.
768 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
769 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
770 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
771 * config/i386/sco5.h (ASM_FILE_END): Likewise.
772 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
774 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
776 * Makefile.in (install-man): Remove explicit dependency on
779 * configure.in, configure: Revert previous patch requiring perl
782 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
784 * toplev.c (flag_guess_branch_prob): New.
785 (f_options): Add guess-branch-probability option.
786 (rest_of_decl_compilation): Only estimate branch probability if
788 (main): set flag_guess_branch_prob.
790 * flags.h (flag_guess_branch_prob): New.
792 2001-01-15 DJ Delorie <dj@redhat.com>
794 * gcc.texi (Makefile): Add documentation for Makefile targets.
796 2001-01-15 Philip Blundell <philb@gnu.org>
798 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
800 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
801 (is_pic): Delete declaration.
802 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
803 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
804 * config/arm/arm.md (builtin_setjmp_receiver): New.
806 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
808 * arm.c (use_return_insn): Don't try to determine the function type
809 until after reload has completed.
810 (arm_output_epilogue): Don't adjust the sp value recovered from the
812 (emit_multi_reg_push): Don't record dwarf information for the pc.
813 * arm.md (eh_epilogue): The function type may have changed, so it
814 needs to be recalculated.
815 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
816 unwind tables on arm/netbsd.
818 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
820 * arm.md (cbranchsi4): Correct calculation of branch ranges.
821 (negated_cbranchsi4): Likewise.
823 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
825 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
826 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
827 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
828 pass -mapcs-* options to assembler.
829 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
830 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
831 (ASM_SPEC): Call subtarget_extra_asm_spec.
833 2001-01-15 Andreas Jaeger <aj@suse.de>
835 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
837 (ix86_expand_builtin): Likewise.
839 * gencodes.c (output_predicate_decls): Make i size_t to avoid
840 warning about comparison between signed and unsigned.
842 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
844 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
846 2001-01-14 Ralf Baechle <ralf@gnu.org>
848 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
849 SUBTARGET_CPP_SPEC apropriatly.
851 2001-01-12 Mark Mitchell <mark@codesourcery.com>
853 * varasm.c (make_decl_rtl): Fix typo in last change.
855 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
857 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
858 linker supports the init_priority C++ attribute.
859 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
860 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
861 linker does not support init_priority C++ attribute.
863 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
865 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
867 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
869 * c-parse.in (finish_parse): Add comment about cpp_destroy.
870 * cp/lex.c (finish_parse): Similarly.
871 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
872 Return the number of errors encountered.
873 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
874 * cppmain.c (main): Don't call cpp_destroy.
876 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
878 * configure.in: Require at least perl 5.6.0 to regenerate
880 * configure: Regenerate.
882 2001-01-14 Richard Henderson <rth@redhat.com>
884 * genrecog.c (DT_veclen_ge): New.
885 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
886 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
887 (nodes_identical_1): Handle DT_veclen_ge.
888 (write_cond, debug_decision_2): Likewise.
890 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
892 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
894 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
896 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
898 * cppmain.c (do_preprocessing): New function; most of the old
900 (main): Call it to do most of the work.
901 (cb): Move from global scope to set_callbacks ().
902 (setup_callbacks): Get the callback pointer.
903 (general_init, printer_init): Clean up code and comments.
905 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
907 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
910 2001-01-14 Kazu Hirata <kazu@hxi.com>
912 * config/h8300/h8300.c (get_shift_alg): Update comments.
914 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
916 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
917 (alloc_page, ggc_alloc): Add casts to remove warnings.
919 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
921 * combine.c (simplify_comparison): Don't change `code' when
922 can't reverse comparison.
924 2001-01-14 Richard Henderson <rth@redhat.com>
926 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
927 update all call sites. Return true for all non-label constants.
929 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
931 * i386.c (ix86_expand_compare): Add bypass_test and second_test
933 (ix86_expand_branch): Update.
934 (ix86_expand_setcc): Update to handle multiple test conditions.
935 (expand_int_movcc): Likewise.
936 (expand_fp_movcc): Likewise.
937 * i386-protos.h (ix86_expand_compare): New.
938 * i386.md (andqi_?_slp, orqi_?_slp): New.
939 (conditional trap expander): Update call to ix86_expand_compare.
941 2001-01-14 Richard Henderson <rth@redhat.com>
943 * config/vax/vax.md: Use nonimmediate_operand instead of
944 general_operand in destinations.
946 * config/vax/vax.md (indirect_jump): Use register_operand.
948 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
949 * config/vax/vax.md (call_pop): Turn into an expander.
950 (call_value_pop): Likewise.
951 (call, call_value): New.
953 2001-01-14 Andreas Jaeger <aj@suse.de>
955 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
957 (ix86_fp_compare_mode): Add unused attribute.
958 (ix86_expand_fp_movcc): Remove unused variable.
959 (ix86_expand_builtin): Make fcode unsigned.
961 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
962 (expand_expr): Add cast to avoid signed warning.
963 (store_field): Likewise.
964 (store_constructor_field): Likewise.
965 (store_constructor): Likewise.
966 (store_expr): Likewise.
967 (clear_storage): Likewise.
968 (emit_group_store): Likewise.
969 (emit_group_load): Likewise.
971 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
973 * c-common.c: Move format checking code to ...
974 * c-format.c: ... here. New file. Reorder some functions and
976 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
978 * c-common.h (decl_handle_format_attribute,
979 decl_handle_format_arg_attribute): Declare.
980 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
981 (c-common.o): Adjust dependencies.
982 (c-format.o): New list of dependencies.
984 2001-01-13 Jakub Jelinek <jakub@redhat.com>
986 * unroll.c (loop_iterations): If we cannot prove iteration variable
987 is set once in each iteration, punt.
989 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
991 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
992 (*strlenhi): Remove clobber (which was buggy) of output address.
994 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
996 * Makefile.in (generated-manpages): Add gcc.1
997 ($(srcdir)/gcc.1): New target.
998 (maintainer-clean): Delete $(srcdir)/gcc.1.
999 * gcc.texi: Add macros @gccoptlist and @gol.
1000 * invoke.texi: Include option summary in manpage. Mark up option
1001 summary with @gccoptlist and @gol. Use @r in one place where
1003 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1004 * gcc.1: Generate from invoke.texi.
1006 2001-01-13 Richard Henderson <rth@redhat.com>
1008 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1009 (struct page_entry): Add group member.
1010 (struct page_group): New.
1011 (struct globals): Add page_groups member.
1012 (alloc_anon): Only define for using mmap; remove valloc call.
1013 (page_group_index): New.
1014 (set_page_group_in_use): New.
1015 (clear_page_group_in_use): New.
1016 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1017 (free_page, release_pages): Likewise.
1018 * configure.in (with-gc): Default to ggc-page always.
1020 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1022 * reload1.c (replace_pseudos_in_call_usage): Use
1023 reg_equiv_constant and reg_equiv_address, and don't try
1024 regno_reg_rtx first.
1026 2001-01-13 Richard Henderson <rth@redhat.com>
1028 * ggc-page.c (alloc_page): Round up allocation size to one page.
1029 Set e->order on extra pages.
1031 2001-01-13 Richard Henderson <rth@redhat.com>
1033 * genrecog.c (nodes_identical): Expand commentary.
1034 (write_switch): Watch out for identical nodes.
1036 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1038 * cppfiles.c (_cpp_fake_include): New function.
1039 * cpphash.h (_cpp_fake_include): New.
1040 * cpplib.c (do_line): Call _cpp_fake_include when entering
1041 header files in preprocessed input.
1042 * cppmain.c (cb_pragma_implementation): Remove handling.
1043 (setup_callbacks): Don't register pragmas.
1045 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1047 * extend.texi: Udate for CPP.
1049 2001-01-13 Andreas Jaeger <aj@suse.de>
1051 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1053 * regmove.c: Add prototype for replace_in_call_usage.
1055 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1057 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1058 struct cpp_chunk, struct htab, struct toklist,
1059 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1060 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1061 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1062 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1063 (struct macro_args): Delete.
1064 * cpphash.h: See above.
1066 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1068 * cppmain.c (struct printer): Remove no_line_dirs.
1070 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1071 : Use options rather than CPP_OPTION.
1072 (setup_callbacks): Use cb rather than pfile->cb.
1073 (main): No need to check for a buffer. Use cpp_errors.
1074 (printer_init): Don't set no_line_dirs.
1075 (maybe_print_line): Use options not no_line_dirs.
1076 (cb_file_change): Don't call print_line if -P.
1078 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1080 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1082 * c-parse.in (finish_parse): Use cpp_errors.
1083 (__yylex): Use return value of cpp_pop_buffer.
1084 * cp/lex.c (finish_parse): Use cpp_errors.
1085 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1087 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1089 * README.AVR: URLs corrected.
1091 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1093 * c-decl.c (start_function): Don't warn if old prototype is builtin
1094 that's not in C's namespace.
1095 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1096 (_bb): Add prototype for ctime.
1097 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1099 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1101 * i386.c (ix86_fp_comparison_arithmetics_cost,
1102 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1103 ix86_fp_comparison_cost): New functions.
1104 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1105 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1106 two-branch sequences; make static.
1107 (ix86_use_fcomi_compare): Do decision according to the costs.
1108 (split_fp_branch): New.
1109 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1110 * i386-protos.h (ix86_expand_fp_compare): Remove
1111 (ix86_split_fp_branch): Declare.
1113 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1114 and ix86_comparison_operator.
1116 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1119 * i386.c (put_condition_code): Output properly the unordered/ordered
1120 compares in fp case.
1121 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1123 * tm.texi (REVERSE_CONDITION): Document.
1124 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1125 in -ffast-math mode.
1126 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1128 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1130 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1132 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1135 * config/sh/sh.c (mova_p): Fix test for mova_const.
1137 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1139 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1140 cpp_get_options rather than dereferencing pfile and using
1142 * scan-decls.c (scan_decls): Use return value of
1143 cpp_pop_buffer rather than CPP_BUFFER.
1145 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1147 * cppinit.c (cpp_handle_option): help_only is now part of the
1148 cpp_options structure.
1149 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1150 cpp_set_callbacks): New functions.
1151 * cpplib.h (cpp_callbacks): Break out as a named structure.
1152 (cpp_options): Move help_only here from cpp_reader.
1153 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1154 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1155 cpp_set_callbacks): New prototypes.
1156 * cppmain.c (main): Update for help_only.
1158 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1160 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1161 Also build and remove and install and uninstall c-tree.info and
1163 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1164 ($(srcdir)/cppinternals.info): New target.
1165 * c-tree.texi: Change file name used when makeinfo used without -o
1166 from ir.info to c-tree.info. Add info directory entry.
1167 * cppinternals.texi: Add info directory entry.
1168 * .cvsignore: Update.
1170 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1172 * c-typeck.c (store_init_value): Don't require constant initializer
1173 elements with -pedantic -std=c99.
1174 (digest_init): Change error about non-constant initializer elements
1176 (constructor_range_end): Remove.
1177 (constructor_incremental, designator_depth,
1178 designator_errorneous): New variables.
1179 (struct constructor_stack): Remove range_end, add incremental.
1180 (struct constructor_range_stack, constructor_range_stack): New.
1181 (struct initializer_stack): Add constructor_range_stack.
1182 (finish_init): Set it.
1183 (start_init): Likewise. require_constant_elements for non-static
1184 trees only if not flag_isoc99.
1185 (really_start_incremental_init): Remove constructor_range_end, add
1186 constructor_incremental.
1187 (pop_init_level): Likewise.
1188 (push_init_level): Likewise. If implicit and the subobject had some
1189 value set already, preinitialize the level with it.
1190 Warn about missing braces only if not pushing due to designators.
1191 (set_designator, push_range_stack): New functions.
1192 (set_init_label): Use them.
1193 (set_init_index): Likewise. Remove constructor_range_end.
1194 Error if designator index is outside of array bounds.
1195 (add_pending_init): Compare values of purpose index trees, not the
1196 trees themselves. Allow overwriting of already initialized element.
1197 Issue a warning if it had side-effects.
1198 (set_nonincremental_init, set_nonincremental_init_from_string): New
1200 (pending_init_member): Rename to...
1201 (find_init_member): ...this function. Call set_nonincremental_init
1202 if necessary. Compare values of purpose index trees, not the trees
1203 themselves. Return the actual value, not just non-zero if something
1205 (output_init_element): Remove checks for duplicates.
1206 If field has zero size, only check the initializer for correctness.
1207 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1208 if constructor_incremental is zero. Change error about initializers
1209 not computable at load time into pedwarn.
1210 (output_pending_init_elements): Compare bit positions, not
1211 FIELD_DECLs to take into account zero-sized fields.
1212 (process_init_element): Use constructor_range_stack to fill all
1213 ranges in the designator lists from current level up.
1214 * extend.texi: Update documentation for labeled elements.
1216 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1218 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1219 to function usage for arguments passed by reference. Optimize
1220 callee-copied arguments.
1221 * regmove.c (replace_in_call_usage): New function.
1222 (fixup_match_1): Call it.
1223 * cse.c (cse_insn): Canonicalize registers in function usage.
1224 * reload1.c (replace_pseudos_in_call_usage): New function.
1227 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1230 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1232 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1235 2001-01-12 DJ Delorie <dj@redhat.com>
1237 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1238 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1241 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1243 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1244 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1245 -std options alongside references to -ansi. Update some
1246 documentation for C99.
1247 * cpp.1: Regenerate.
1249 2001-01-12 Andreas Jaeger <aj@suse.de>
1251 * haifa-sched.c (restore_line_notes): Remove argument block B
1253 * sched-ebb.c (schedule_ebb): Change caller.
1254 * sched-rgn.c (schedule_region): Likewise.
1255 * sched-int.h (restore_line_notes): Adjust prototype.
1257 * loop.h: Remove wrong declaration of doloop_condition_get.
1259 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1261 * extend.texi: Move C++-extension-related node from the C section
1262 into the C++ section.
1264 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1266 * extend.texi: Refer to an array of pointers to functions instead
1267 of one of functions.
1269 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1270 Jan Hubicka <jh@suse.cz>
1272 * combine.c (reversed_comparison): Fix typo in last patch.
1274 (combine_reversed_comparison_code): Make static to follow
1275 prototype declaration.
1277 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1279 * install.texi: Remove misplaced duplicate entry.
1281 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1283 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1285 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1287 * final.c: (leaf_function_p): Fix typo.
1289 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1291 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1292 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1294 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1295 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1296 mmap_anon, and valloc is available.
1297 * ggc-page.c: Restructure ifdef logic to match new autoconf
1298 spec. Don't throw away the test page in init_ggc.
1300 * configure, config.in: Regenerate.
1302 2001-01-12 Michael Hayes <mhayes@redhat.com>
1304 * loop.h (total_biv_increment): Constify iv_class pointer.
1305 (struct induction): Replace `mem_mode' with `mem' rtx.
1306 * unroll.c (total_biv_increment): Constify iv_class pointer.
1307 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1308 (find_mem_givs, combine_givs_p): Likewise.
1309 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1311 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1313 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1315 (__gthread_getspecific): Ditto.
1317 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1319 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1320 put_condition_code): Convert fp comparison codes to integer
1322 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1325 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1326 * i386-protos.h (no_comparison_operator): Kill.
1328 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1330 * combine.c (REVERSIBLE_CC_MODE): Remove.
1331 (reversible_comparison_p): Remove.
1332 (combine_reversed_comparison_code): New.
1333 (reversed_comparison): New.
1334 (combine_simplify_rtx): Use
1335 combine_reversed_comparison_code/reversed_comparison instead
1336 of reversible_comparison_p.
1337 (simplify_if_then_else): Likewise.
1338 (simplify_set): Likewise.
1339 (simplify_logical): Likewise.
1340 (if_then_else_cond): Likewise.
1341 (known_cond): Likewise.
1342 (simplify_comparison): Likewise.
1344 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1346 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1347 sizeof (int) is larger than sizeof(__word__).
1349 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1351 * cppinit.c (do_includes): Fix typo.
1353 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1355 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1356 in S_REGS does not occur because not all sources are possible
1357 when a S_REGS is a destination (sometimes needs a clobber).
1358 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1359 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1360 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1361 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1362 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1363 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1364 (lshrdi_const1, lshrsi3_const16): Likewise.
1365 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1366 (*movhi_68hc12, *movqi_68hc12): Likewise.
1367 (movstrictqi): Make sure reloading in D_REGS as a destination
1370 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1372 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1374 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1376 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1377 -D, -U and -A, and don't initialize the builtins.
1378 (do_includes): Error if -include or -imacros with -fpreprocessed.
1379 * cppmain.c (cb_define, cb_undef): Unconditionally process
1381 * tradcpp.c (main): Fix typo.
1383 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1385 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1386 (read_name_map): Use IS_ABSOLUTE_PATH.
1387 * tradcpp.c (get_filename): Likewise.
1389 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1391 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1392 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1393 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1394 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1395 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1396 (cmphi_z_used): Don't use '@' for the output.
1397 (tstqi_z_used): Likewise.
1398 (cmpqi_z_used): Likewise.
1399 (one_cmplsi2): Likewise.
1401 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1403 * config/sh/sh.c (barrier_align): Recognize branch around far
1404 branch and redundant insn.
1406 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1408 * invoke.texi: Restore documentation of the drivers' switches -MD
1411 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1413 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1415 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1416 check-objc//%): Support parallel testing of multilibs.
1417 (TESTSUITEDIR): Set to testsuite by default, but override for
1419 (check-gcc, check-g++, check-g77, check-objc): Enter
1422 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1424 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1425 * sched-deps.c (deps_may_trap_p): Likewise.
1426 * basic-block.h: Remove a comment.
1427 * flow.c (PROP_POSTRELOAD): Remove.
1428 (update_life_info): Don't add it to prop_flags.
1429 (mark_set_1): Lose the code that was enabled by it.
1431 2001-01-11 Michael Hayes <mhayes@redhat.com>
1433 * flow.c (flow_call_edges_add): New.
1434 * basic_block.h (flow_call_edges_add): New.
1436 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1438 * reload1.c (move2add_note_store): Update reg_set_luid even if
1439 base reg remains the same.
1441 2001-01-10 Nick Clifton <nickc@redhat.com>
1443 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1444 machine_function structure to zero.
1445 Add prototypes for machine_status functions.
1447 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1449 * c-common.h (CTI_VOID_LIST): Remove.
1450 (void_list_node): Likewise.
1451 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1452 (void_list_node): New macro.
1453 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1454 * config/i386/i386.c (ix86_init_builtins): Likewise.
1455 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1457 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1459 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1460 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1462 * tradcpp.c: Include mkdeps.h.
1463 (deps, print_deps_phony_targets, deps_append, output_deps,
1464 init_dependency_output, output_deps): New.
1465 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1466 deps_output): Delete.
1467 (print_deps_missing_files): Rename deps_missing_files.
1468 (inhibit_output): Make global.
1469 (main): Delete inhibit_output, deps_stream, deps_target.
1470 Use mkdeps functionality in the same way as cpplib. Remove
1471 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1472 -M and -MM. Remove old handling of deps via deps_out, and
1473 old reading of environment variables.
1474 (get_filename): Update to use deps_add_dep.
1476 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1478 * output.h (make_function_rtl): Remove prototype.
1479 (make_decl_rtl): Likewise.
1480 * varasm.c (make_function_rtl): Remove.
1481 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1482 than from a third parameter.
1483 * tree.h (make_decl_rtl): Remove last parameter.
1484 * c-decl.c (builtin_function): Remove last argument in call to
1485 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1486 (start_function): Likewise.
1487 * except.c (call_get_eh_context): Likewise.
1488 * expr.c (emit_block_move): Likewise.
1489 (clear_storage): Likewise.
1490 * profile.c (output_func_start_profiler): Likewise.
1491 * toplev.c (rest_of_decl_compilation): Likewise.
1492 * objc/objc-act.c (create_builtin_decl): Likewise.
1493 (synth_module_prologue): Likewise.
1494 (generate_static_reference): Likewise.
1495 (build_selector_reference_decl): Likewise.
1496 (build_class_reference_decl): Likewise.
1497 (build_objc_string_decl): Likewise.
1498 (build_protocol_reference): Likewise.
1500 2001-01-10 Richard Henderson <rth@redhat.com>
1502 * hwint.h: Revert yesterday's change.
1504 2001-01-10 Nick Clifton <nickc@redhat.com>
1506 * function.h (save_machine_status): Delete.
1507 (restore_machine_status): Delete.
1508 Amend comment describing {init|mark|free}_machine_status.
1510 * function.c (save_machine_status): Delete.
1511 (restore_machine_status): Delete.
1512 Amend comment describing {init|mark|free}_machine_status.
1513 (push_function_context_to): Remove invocation of
1514 save_machine_status.
1515 (pop_function_context_from): Remove invocation of
1516 restore_machine_status.
1518 * emit-rtl.c (init_emit_once): Amend comment describing
1519 {init|mark|free}_machine_status.
1521 * tm.texi (Per-Function Data): New node. Describe the
1522 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1525 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1527 * cppinit.c (OPT_g): Remove.
1528 (cpp_handle_option): Update for removed -g3.
1529 (print_help): Update.
1530 * cpplib.h (struct cpp_options): Remove debug_output.
1531 * cppmain.c (setup_callbacks, cb_define): Update.
1532 * gcc.c (cpp_options): Translate -g3 to -dD.
1534 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1536 * config/i960/i960.md: Change modifier to + on the zero_extract
1537 pattern after the (rotate -2 reg) canonicalization pattern.
1539 2001-01-10 Richard Henderson <rth@redhat.com>
1541 * config/alpha/alpha.c (alpha_free_machine_status): New.
1542 (override_options): Install it.
1543 (alpha_mark_machine_status): Verify machine non-null.
1544 * config/i386/i386.c (ix86_free_machine_status): New.
1545 (override_options): Install it.
1546 (ix86_init_machine_status): Use xcalloc.
1547 (ix86_mark_machine_status): Verify machine non-null.
1548 * config/ia64/ia64.c (ia64_free_machine_status): New.
1549 (ia64_override_options): Install it.
1550 (ia64_mark_machine_status): Verify machine non-null.
1552 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1554 * function.c (instantiate_virtual_regs): Instantiate virtual
1555 registers found in CALL_INSN_FUNCTION_USAGE.
1557 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1559 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1560 equivalent to -ansi in disabling -Di386.
1562 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1564 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1566 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1568 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1570 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1572 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1574 * invoke.texi: Document that -fcond-mismatch isn't supported for
1577 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1579 * gcc.texi: Define macro gcctabopt.
1580 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1581 @command, @env and @option in some places where appropriate. Use
1582 @gcctabopt where appropriate. Put URLs and email addresses inside
1585 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1587 * gcc.c (cpp_options): Set MD file name from output
1588 filename, if specified.
1589 (suffix_subst): New static variable.
1590 (do_spec): Clear it.
1591 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1593 (give_switch): Handle suffix_subst.
1595 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1597 * invoke.texi: Fix another typo.
1599 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1601 * invoke.texi: Fix typo.
1603 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1605 * c-lang.c (lang_hooks): Update.
1606 (lang_decode_option): Remove.
1607 (lang_init_options): Rename c_init_options.
1608 * toplev.c (main): Use lang_hooks for lang_init_options
1609 and lang_decode_option.
1610 * toplev.h (lang_hooks): Add 2 new hooks.
1611 * tree.h: Remove lang_init_options and lang_decode_option.
1612 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1613 * cp/decl2.c: Similarly.
1614 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1615 (lang_hooks): Update.
1616 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1618 (lang_init_options): Rename ffe_init_options.
1619 (lang_hooks): Update.
1620 (lang_decode_option): Remove.
1621 * java/lang.c (lang_init_options): Rename java_init_options.
1622 (lang_decode_option): Rename java_decode_option.
1623 (lang_hooks): Update.
1624 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1625 (lang_decode_option): Rename objc_decode_option.
1626 (lang_hooks): Update.
1628 2001-01-09 Nick Clifton <nickc@redhat.com>
1630 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1631 (d30v_return_addr_rtx): Delete.
1632 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1633 cfun->machine structure.
1634 (struct machine_function): Move to d30v.h
1635 (d30v_save_machine_status): Delete.
1636 (d30v_restore_machine_status): Delete.
1637 (d30v_init_machine_status): New Function.
1638 (d30v_mark_machine_status): New Function.
1639 (d30v_free_machine_status): New Function.
1640 (d30v_init_expanders): Use new functions.
1641 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1642 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1643 d30v_return_addr_rtx.
1645 * config/d30v/d30v.h (struct_machine): Move here.
1646 Add eh_epilogue_sp_ofs field.
1648 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1649 field in cfun->machine structure.
1651 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1653 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1654 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1655 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1657 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1659 * objc/lang-options.h: Remove bogus reference to
1662 2001-01-09 Kazu Hirata <kazu@hxi.com>
1664 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1667 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1669 * reload.c (find_reloads_address): Check for eliminable registers
1670 when substituting a constant expression for a pseudo.
1672 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1674 * c-common.c (enum format_type): Add format_type_error.
1675 (decode_format_type): New function.
1676 (decl_attributes): Use it.
1677 (format_kind_info): Adjust comment.
1679 2001-01-09 David O'Brien <obrien@BSDi.com>
1681 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1682 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1684 * config/i386/gnu.h: Don't include required platform specific .h files,
1685 tm.h will do it instead.
1686 * config/i386/i386elf.h: Likewise.
1687 * config/i386/linux.h: Likewise.
1688 * config/i386/moss.h: Likewise.
1689 * config/mips/gnu.h: Likewise.
1691 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1693 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1694 (rs6000-ibm-aix3.[01]*): Likewise.
1695 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1696 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1697 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1698 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1699 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1700 (powerpc-*-eabiaix*): Likewise.
1701 (powerpc-*-eabisim*): Likewise.
1702 (powerpc-*-elf*): Likewise.
1703 (powerpc-*-eabi*): Likewise.
1704 (powerpc-*-rtems*): Likewise.
1705 (powerpc-*-linux*libc1): Likewise.
1706 (powerpc-*-linux*): Likewise.
1707 (powerpc-wrs-vxworks*): Likewise.
1708 (powerpcle-wrs-vxworks*): Likewise.
1709 (powerpcle-*-sysv*): Likewise.
1710 (powerpcle-*-elf*): Likewise.
1711 (powerpcle-*-eabisim*): Likewise.
1712 (powerpcle-*-eabi*): Likewise.
1713 (powerpcle-*-solaris2*): Likewise.
1714 * config/rs6000/aix31.h: Delete includes.
1715 * config/rs6000/aix3newas.h: Likewise.
1716 * config/rs6000/aix41.h: Likewise.
1717 * config/rs6000/aix43.h: Likewise.
1718 * config/rs6000/beos.h: Likewise.
1719 * config/rs6000/rtems.h: Likewise.
1720 * config/rs6000/sysv4.h: Likewise.
1722 2001-01-09 Kazu Hirata <kazu@hxi.com>
1724 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1725 Change an argument mode of machine_mode to shift_mode of
1726 shift_mode. Remove an extra error check.
1727 (emit_a_shift): Adopt to the new calling prototype of
1729 (function_prologue): Fix code for a monitor
1730 function. Support H8/S.
1731 (function_epilogue): Do not output pop for a monitor function.
1733 2001-01-09 Nick Clifton <nickc@redhat.com>
1735 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1736 (setup_incoming_varargs): Use sysv_varargs_p field of the
1737 cfun->machine structure.
1738 (struct machine_function): Move to rs6000.h
1739 (rs6000_save_machine_status): Delete.
1740 (rs6000_restore_machine_status): Delete.
1741 (rs6000_init_machine_status): New Function.
1742 (rs6000_free_machine_status): New Function.
1743 (rs6000_init_expanders): Use new functions.
1745 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1747 (struct machine_function): Move here.
1749 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1750 sysv_varargs_p field of the cfun->machine structure.
1752 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1754 (rs6000_restore_machine_status): Remove prototype.
1756 2001-01-09 Richard Henderson <rth@redhat.com>
1758 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1759 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1760 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1761 (sched_analyze_2, sched_analyze_insn): Likewise.
1762 (sched_analyze, init_deps): Likewise.
1763 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1764 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1765 (compute_block_backward_dependences): Update propagate_deps call.
1767 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1769 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1771 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1773 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1774 (cpp_handle_option): Handle them.
1775 (cpp_post_options): Ensure one of -M or -MM is specified with
1776 any other -M? option.
1777 (init_dependency_output): Suppress output with -MG.
1779 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1782 * invoke.texi: Update.
1784 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1786 * sh.md (reload_outsf): Generate recognizable patterns for
1789 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1791 * c-lang.c (lang_hooks): Update.
1792 (lang_init): Rename c_init.
1793 (lang_finish): Remove.
1794 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1796 * toplev.h (lang_hooks): Add init () and finish ().
1797 * tree.h (lang_init, lang_finish): Remove.
1798 * cp/tree.h (lang_init, lang_finish): Remove.
1799 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1800 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1802 (lang_init, lang_finish): Remove.
1803 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1804 (lang_hooks): Update.
1805 * java/lang.c (lang_init): Rename java_init.
1806 (lang_finish): Remove.
1807 (lang_hooks): Update.
1808 * objc/objc-act.c (lang_init): Rename objc_init.
1809 (lang_finish): Remove.
1810 (lang_hoooks): Update.
1812 20001-01-09 Graham Stott <grahams@redhat.com>
1814 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1815 after `ptr` is initialised.
1817 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1819 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1820 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1821 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1822 stack adjusts, instead of r3.
1824 2001-01-09 Michael Hayes <mhayes@redhat.com>
1826 * flow.c (flow_loop_scan): Break out of ...
1827 (flow_loops_find) ... here.
1828 * basic-block.h (flow_loop_scan): New.
1829 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1830 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1832 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1834 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1836 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1837 realloc()ing macro_buffer.
1839 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1840 if it's wider than long and the target's long is wider than the
1843 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1845 Remove support for using UWIN as a host machine.
1846 * configure.in: Issue an error message.
1847 * configure: Regenerated.
1848 * config.gcc: Remove xm_* UWIN configury.
1849 * config/i386/xm-uwin.h: Remove.
1851 2001-01-08 Nick Clifton <nickc@redhat.com>
1853 * config/v850/v850.c (ra_rtx): Delete.
1854 (v850_save_machine_status): Delete.
1855 (v850_restore_machine_status): Delete.
1856 (v850_init_machine_status): New function.
1857 (v850_mark_machine_status): New function.
1858 (v850_free_machine_status): New function.
1859 (v850_return_addr): Use ra_rtx field in machine structure.
1860 (v850_init_expanders): Use new functions.
1862 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1863 * config/v850/v850.c: Change arguments to v850_output+* functions
1864 to take a const char *, to avoid compile time warning.
1865 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1866 (USER_LABEL_PREFIX): Redefine.
1868 2000-01-08 Jim Wilson <wilson@redhat.com>
1870 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1871 1 to unsigned HOST_WIDE_INT before left shift.
1873 2001-01-08 Nick Clifton <nickc@redhat.com>
1875 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1876 the machine structure has been allocated.
1877 (arm_free_machine_status): New function: Free the machine
1878 specific function structure.
1880 2001-01-08 Richard Henderson <rth@redhat.com>
1882 * jump.c (simplejump_p): Revert last change.
1884 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1886 * cppinit.c (init): Rename init_library.
1887 (cpp_create_reader): Update.
1888 * gcc.c (cpp_options): If -o given, use it as the target of
1891 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1893 * arm.c (arm_arch5e): New variable.
1894 (all_cores): XScale is a 5TE device.
1895 (arm_override_options): Set arm_arch5e.
1896 (arm_init_builtins): __builtin_prefetch is in arch5e.
1897 * arm.h (arm_arch5e): Declare it.
1899 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1901 * arm.md (define_constants): Add defines for UNSPEC and
1902 UNSPEC_VOLATILE insns. Update all users.
1903 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1904 * arm.c (multi_register_push, note_invalid_constants)
1905 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1906 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1907 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1909 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1911 * jump.c (jump_optimize_1): Use reversed_comparison_code
1912 instead of can_reverse_comparison_p.
1913 (jump_back_p): Likewise.
1914 (invert_exp_1): Likewise.
1915 (thread_jumps): Likewise.
1916 * simplify-rtx.c (simplify_unary_operation): Likewise.
1917 (simplify_ternary_operation): Likewise.
1918 * cse.c (find_comparison_args): Convert to use
1919 can_reverse_comparison_p.
1920 (record_jump_equiv): Likewise.
1922 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1924 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1925 (EPILOGUE_USES): Define.
1926 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1927 automatically stack the LR if it isn't live.
1929 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1931 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1934 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1936 * ggc-page.c (max_alignment): New structure.
1937 (MAX_ALIGNMENT): New macro.
1938 (init_ggc): Use it to round up the sizes in the
1939 extra_order_size_table.
1941 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1943 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1946 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1948 * builtins.def (BUILT_IN_FPRINTF): New entry.
1950 * c-common.c (c_expand_builtin_fprintf): New function.
1951 (init_function_format_info): Handle __builtin_fprintf.
1952 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1953 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1955 * c-decl.c (duplicate_decls): Adjust comment.
1957 * extend.texi (fprintf): Document new builtin.
1959 2001-01-07 Richard Henderson <rth@redhat.com>
1961 * jump.c (simplejump_p): Recognize any single_set jump
1964 2001-01-07 Richard Henderson <rth@redhat.com>
1966 * configure.in (slibdir): Accept an --with-slibdir option.
1967 Use "test" not "[" in configure. Default to $(libdir).
1969 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1971 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1972 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1973 (SHLIB_LINK): Create links for the soname.
1974 * config/mips/t-iris6: Likewise.
1975 * config/sparc/t-slibgcc: Likewise.
1976 * config/sparc/t-slibgcc-sld: Likewise.
1978 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1980 * config/i386/i386.c (constant_call_address_operand): Accept
1981 (const (plus (symbol_ref) (const_int))).
1982 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1983 constant_call_address_operand.
1985 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1987 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1988 and LONG_LONG_TYPE_SIZE > 32.
1990 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1992 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1993 the previous change.
1995 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1997 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1999 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2000 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2001 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2004 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2006 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2008 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2010 * c-lang.c (c_post_options): Call cpp_post_options.
2011 * objc/objc-act.c (objc_post_options): Similarly.
2012 * cppmain.c (main): Similarly.
2013 * fix-header.c (read_scan_file): Similarly.
2014 * cppinit.c (cpp_start_read): Move option consistency checks
2015 to cpp_post_options. Don't call init_dependency_output.
2016 If needed, add default target and main file dependency.
2017 (OPT_MD, OPT_MMD): Remove.
2019 (cpp_handle_option): Update for OPT_* changes.
2020 (cpp_post_options): New.
2021 (init_dependency_output): Command line -MF overrides environment
2022 variables. Don't set default target etc. Suppress output
2023 if dependencies are going to stdout.
2024 (print_help): Update.
2025 * cpplib.h (cpp_post_options): New.
2026 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2028 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2030 * jump.c (comparison_dominates_p): Support unordered compares.
2032 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2034 * simplify-rtx.c (simplify_relational_operation): Always simplify
2035 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2038 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2040 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2041 (nonzero_bits): Likewise.
2042 (simplify_comparison): Likewise.
2043 (num_sign_bit_copies): Likewise; return more sane value depending
2044 on STORE_FLAG_VALUE.
2045 (known_cond): Do not assume EQ to be always true for equivalent
2048 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2050 * cse.c (fold_rtx): Handle unordered comparisons.
2052 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2054 * rtlanal.c (set_of_1): New static function.
2055 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2056 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2057 reg_set_last_last_regno): Remove.
2058 (set_of): New global function.
2059 (set_of_data): New structure.
2060 (reg_set_p, reg_set_last): Revamp for set_of.
2061 * rtl.h (set_of): New.
2063 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2065 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2066 * extend.texi: Document _Exit builtin.
2068 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2070 * (initialize, initialize_builtins,
2071 initialize_dependency_output, initialize_standard_includes):
2072 Rename s/initialize/init. Update.
2073 (init_dependency_output): Move to after
2074 cpp_handle_options, the correct location temporally at least.
2075 (opt_comp): Move next to init (), its caller. Fix prototype.
2076 (init): Make "initialized" local scope.
2077 (cpp_create_reader): Always call init ().
2078 (cpp_start_read): Update.
2079 (output_deps): New function, broken out of cpp_finish.
2080 (cpp_finish): Break out output_deps.
2082 2001-01-07 Richard Henderson <rth@redhat.com>
2084 * collect2.c (COFF specific stuff): Revert 12-06 patch
2085 to prototype system functions.
2087 2001-01-07 Michael Hayes <mhayes@redhat.com>
2089 * hard-reg-set.h: Add multiple include guard.
2090 * basic-block.h (struct loop): Add `sink' field.
2091 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2092 (emit_iv_add_mult): Delete.
2093 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2094 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2095 (unroll_loop): Remove end_insert_before argument.
2096 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2097 (maybe_eliminate_biv_1): Likewise.
2098 (emit_iv_add_mult): Delete.
2099 (gen_add_mult, loop_regs_update): New.
2100 (loop_insn_emit_after, loop_insn_emit_before): New.
2101 (loop_insn_sink, loop_insn_sink_or_swim): New.
2102 (emit_iv_add_mult): Delete.
2103 (scan_loop): Set loop->sink.
2104 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2105 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2106 (maybe_eliminate_biv_1): Likewise.
2107 (maybe_eliminate_biv_1): Add basic block argument.
2108 * unroll.c (unroll_loop): Remove end_insert_before argument.
2109 (find_splittable_regs): Likewise.
2110 (find_splittable_regs): Use loop_insn_sink and its ilk.
2111 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2113 2001-01-07 Michael Hayes <mhayes@redhat.com>
2115 * loop.h (loop_insn_hoist): New prototype.
2116 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2117 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2118 (check_dbra_loop, load_mems): Likewise.
2119 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2120 (find_splittable_givs): Likewise.
2122 2001-01-07 Michael Hayes <mhayes@redhat.com>
2124 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2126 2001-01-07 Richard Henderson <rth@redhat.com>
2128 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2130 2001-01-07 Richard Henderson <rth@redhat.com>
2132 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2133 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2134 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2135 variant that handles a shared libgcc.
2136 (process_command): Always validate -{static,shared}-libgcc.
2137 (do_spec_1): New 'M' case.
2138 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2140 2001-01-07 Richard Henderson <rth@redhat.com>
2142 * Makefile.in (slibdir): New variable.
2143 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2144 (installdirs): Create slibdir.
2145 (install-libgcc, install-multilib): Defer to libgcc.mk.
2146 * configure.in (slibdir): Substitute.
2147 * mklibgcc.in (install): New target.
2149 * config/t-linux (SHLIB_LINK): Create links for the soname.
2150 (SHLIB_INSTALL): New.
2151 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2152 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2153 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2154 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2155 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2157 2001-01-07 Richard Henderson <rth@redhat.com>
2159 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2160 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2161 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2163 2001-01-07 Michael Hayes <mhayes@redhat.com>
2165 * loop.c (count_loop_regs_set): Delete.
2166 (load_mems_and_recount_loop_regs_set): Delete.
2167 (loop_regs_scan): Merge common code from count_loop_regs_set,
2168 scan_loop, and load_mems_and_recount_loop_regs_set.
2169 (scan_loop): Call load_mems directly and loop_regs_scan
2170 again if new registers created.
2172 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2174 * toplev.c (main): Call the front-end specific post_options
2175 hook if one is given.
2176 * toplev.h (struct_lang_hooks, lang_hooks): New.
2177 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2178 for the C front end.
2179 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2180 lang_hooks for the C++ front end.
2181 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2182 lang_hooks for the ObjC front end.
2183 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2184 * java/lang.c (lang_hooks): Hooks for the Java front end.
2186 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2188 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2189 for verbose DWARF[2] debugging.
2190 (cb_define, cb_undef): The new callbacks.
2191 * toplev.h (debug_define, debug_undef): Make const correct.
2192 * toplev.c (debug_define, debug_undef): Similarly. Do not
2193 perform the verbosity tests here anymore.
2195 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2197 * reload.c (subst_reloads): Take INSN argument. When
2198 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2199 * reload.h (subst_reloads): Adjust prototype.
2200 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2201 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2202 present in JUMP_INSNs and copy them to JUMP_LABEL.
2203 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2204 JUMP_INSNs and insns with REG_LABELs that are followed by
2205 JUMP_INSNs with the same REG_LABEL.
2206 * sched-rgn.c (is_cfg_nonregular): Likewise.
2207 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2209 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2211 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2213 2001-01-06 Richard Henderson <rth@redhat.com>
2215 * loop.c (scan_loop): Use xcalloc for the regs array.
2216 (load_mems_and_recount_loop_regs_set): Zero the new memory
2217 received from xrealloc.
2219 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2221 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2223 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2225 * integrate.c (copy_rtx_and_substitute): When copying
2226 an ignored return value, strip REG_FUNCTION_VALUE_P.
2228 2001-01-06 Michael Hayes <mhayes@redhat.com>
2230 * loop.c (debug_biv, debug_giv): New.
2231 (loop_biv_dump): Break out from ...
2232 (record_biv): ... here.
2233 (loop_giv_dump): Break out from ...
2234 (record_giv): ... here.
2235 (loop_bivs_check): Use print_simple_rtl.
2236 * unroll.c (loop_iterations): Use print_simple_rtl.
2238 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2240 * pa.md (return, return_internal): Modify patterns to prevent regrename
2241 mucking with the return pointer.
2243 2001-01-05 Richard Henderson <rth@redhat.com>
2245 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2247 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2249 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2250 version supplied by Matteo Frigo.
2252 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2254 * cpp.texi: Update for -MQ.
2255 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2256 (cpp_cleanup): Always free pfile->deps.
2257 (initialize_dependency_output): Don't create pfile->deps.
2258 (cpp_handle_option): Similarly.
2260 * gcc.c (cpp_options): Handle -MQ.
2261 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2262 * mkdeps.c (base_name): Remove.
2263 (deps_init): Don't allocate vector space until it's needed.
2264 (deps_free): Only free vectors if allocated.
2265 (deps_add_target, deps_add_dep): Update for initial allocation.
2266 (deps_add_default_target): Don't strip to the base_name.
2268 2001-01-05 DJ Delorie <dj@redhat.com>
2270 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2271 (INIT_EXPANDERS): Define.
2273 * config/v850/v850.c (struct machine_function): Define.
2274 (v850_save_machine_status): New function.
2275 (v850_restore_machine_status): New function.
2276 (v850_return_addr): New function.
2277 (v850_init_expanders): New function.
2279 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2280 and v850_init_expanders.
2282 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2284 * cpplib.h (struct cpp_reader): Add help_only field.
2285 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2286 (cpp_handle_option): Set pfile->help_only if we see -h,
2287 --help, -target-help, or --version. Print version string but
2288 do not set help_only if we see -v or -version. Make text
2289 printed by -v match that printed by (-)-version.
2291 * cppmain.c (main): Exit after option parsing if
2292 pfile->help_only is true.
2294 * toplev.c (independent_decode_option): Call print_version,
2295 then exit, if we see --version (but not -version).
2296 (print_version): Split lengthy message into two lines.
2298 2001-01-05 Nick Clifton <nickc@redhat.com>
2300 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2301 temporary string for initialisation before calling ggc_alloc_string.
2303 2001-01-06 Michael Hayes <mhayes@redhat.com>
2305 * rtl.h (print_simple_rtl): New.
2306 * print-rtl.c (print_simple_rtl): New.
2308 (print_rtx): Disable printing of flags and modes, etc.,
2309 if `flag_simple` nonzero.
2311 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2313 * function.c (fixup_var_refs): Use push_to_full_sequence where
2316 2001-01-05 Michael Meissner <meissner@redhat.com>
2318 * flags.h (flag_reorder_blocks): Add declaration.
2319 (flag_rename_block): Ditto.
2321 2001-01-05 DJ Delorie <dj@redhat.com>
2323 * function.c (reorder_blocks): Make sure the flags are all reset
2324 before using them to mark blocks, else a second invocation will
2325 corrupt the block chain.
2326 (reorder_blocks_0): New, resets the flags.
2328 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2330 * cse.c (find_comparison_args): Stop if the argument is known to
2333 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2335 * config/sh/sh.md (movdf): When splitting load into pair of
2336 registers, don't clobber the register used in the address too
2339 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2341 * varasm.c (mark_constant_pool): Improve initial comments.
2342 (mark_constants): Move marking of constants to mark_constant.
2343 (mark_constant): New function to recursively mark all constants
2344 referred to by a constant.
2346 2001-01-05 Catherine Moore <clm@redhat.com>
2348 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2350 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2352 * cp/lang-options.h: Bring comment in line with reality.
2353 * f/lang-options.h: Likewise.
2354 * java/lang-options.h: Likewise.
2355 * objc/lang-options.h: Likewise.
2356 * ch/lang-options.h: Likewise.
2357 * f/g77.texi: And update the manual.
2359 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2360 Denis Chertykov <denisc@overta.ru>
2362 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2363 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2364 * config/avr/avr.md (all peepholes that request a scratch register):
2365 Call it, FAIL the peephole if not safe (in interrupt functions).
2367 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2369 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2371 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2373 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2375 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2376 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2377 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2378 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2379 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2381 * extend.texi: Document these builtins.
2383 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2385 * c-common.c (lang_get_alias_set): Say we know nothing of
2386 VECTOR_TYPE aliasing.
2388 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2390 2001-01-05 Bruce Korb <bkorb@gnu.org>
2392 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2393 their x* equivalent versions for atexit-less systems
2394 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2395 systems (or any other system any more).
2397 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2399 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2400 output operands. Use arm_hard_register_operand for operand 4.
2401 (stmsi_postinc): Similarly.
2402 (ldmsi): Use arm_hard_register_operand for opernand 2.
2404 * arm.c (arm_hard_register_operand): New function.
2405 * arm-protos.h (arm_hard_register_operand): Prototype it.
2407 * arm.h (HARD_REGNO_RENAME_OK): Define.
2409 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2411 * simplify-rtx.c (cfc_args): add "unordered" field.
2412 (check_fold_consts): Set unordered field.
2413 (simplify_relational_operation): Simplify the unordered
2416 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2419 * emit-rtl.c (try_split): Fix code to mark labels.
2420 * jump.c (mark_jump_label): Make global.
2421 * rtl.h (mark_jump_label): Declare.
2423 * predict.c (estimate_probability): Handle unordred comparisons.
2425 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2427 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2428 * cppinit.c (initialize_dependency_output): Update.
2429 (cpp_finish): Output dummy targets for -MP.
2431 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2432 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2433 * gcc.c (cpp_options): Update to handle -MP.
2434 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2435 to quote only the default target.
2436 (deps_phony_targets): Insert a preceding newline. Rename from
2437 deps_dummy_targets for consistency.
2440 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2442 * calls.c (emit_library_call_value_1): Support
2443 INIT_CUMULATIVE_LIBCALL_ARGS.
2444 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2446 2001-01-04 Richard Henderson <rth@redhat.com>
2448 * c-decl.c (finish_struct): Detect flexible array members
2449 used in an inappropriate context.
2450 * c-typeck.c (really_start_incremental_init): Special case
2451 constructor_max_index for zero length arrays.
2452 (pop_init_level): Allow initialization of flexible array
2453 members. Deprecate initialization of zero length arrays.
2454 Don't issue missing initializer warning for flexible array
2455 members or zero length arrays.
2456 (process_init_element): Don't dereference null DECL_SIZE.
2457 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2458 Don't abort for empty constructors. Use size_binop
2459 (output_constructor): Add commentary regarding zero length
2460 array futures. Abort if we try to initialize an array of
2461 unspecified length with a non-empty constructor in the middle
2464 * extend.texi (Zero Length): Update and clarify documentation
2465 on static initialization.
2467 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2469 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2470 with more than 32767 words of local storage.
2472 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2474 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2475 for 'abs', 'labs', and 'fabs'.
2476 (c4x_expand_builtin): Likewise.
2477 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2479 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2481 * config/sh/sh.md (prget, prset): New insn types.
2482 (return delay slot): Dont' allow prset.
2483 (call, sfunc delay slot): Don't allow prget.
2484 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2485 for prset and prget.
2487 2001-01-05 Michael Hayes <mhayes@redhat.com>
2489 * loop.h (struct loop_reg): New.
2490 (struct loop_regs): Change to use array of `struct loop_reg'.
2491 * loop.c: Replace assortment of varrays with single regs array.
2492 (count_one_set): Delete may_not_move array argument
2493 and use regs array instead. All caller's changed.
2494 (count_loop_regs_set): Delete may_not_move and single_usage
2495 arguments and use regs array instead. All caller's changed.
2496 (find_single_use_in_loop): Replace usage array argument with pointer
2497 to regs structure. All caller's changed.
2498 (loop_optimize): Delete `moved_once' array.
2500 2001-01-05 Michael Hayes <mhayes@redhat.com>
2502 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2503 Use it instead of loop_info->has_call for scanning loop mems.
2504 (check_dbra_loop): Replace loop_info->has_call test with
2505 loop_info->has_nonconst_call.
2507 2000-01-04 Matthew Hiller <hiller@redhat.com>
2509 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2512 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2514 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2515 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2517 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2519 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2520 (flag_short_double, flag_short_wchar): Define.
2521 (c_common_nodes_and_builtins): Create many tree nodes shared
2522 between C and C++ here instead of in cp/decl.c and ...
2523 * c-decl.c (init_decl_processing): ... here.
2524 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2525 (flag_short_double, flag_short_wchar): Don't define.
2526 (record_builtin_type): New function.
2527 (build_void_list_node): New function.
2528 * c-common.h (flag_short_double, flag_short_wchar,
2529 record_builtin_type, build_void_list_node): Declare.
2531 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2533 * integrate.c (expand_inline_function): Don't put a virtual
2534 register into the reg map.
2536 * function.c (fixup_var_refs_1): If force_operand didn't put
2537 the address into the target, move it there.
2539 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2541 Special-case tree_decl/tree_list allocations.
2542 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2543 (OBJECT_SIZE): New macro.
2544 (NUM_EXTRA_ORDER): Likewise.
2545 (extra_order_size_table): New variable.
2546 (NUM_ORDERS): New macro.
2547 (objects_per_page_table): New variable.
2548 (object_size_table): New variable.
2549 (G.pages): Use NUM_ORDERS to bound the array.
2550 (G.page_tails): Likewise.
2551 (DIV_ROUND_UP): Remove.
2552 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2553 (alloc_page): Use OBJECT_SIZE.
2554 (size_lookup): Don't make it const.
2555 (ggc_alloc): Use OBJECT_SIZE.
2556 (ggc_set_mark): Likewise.
2557 (ggc_get_size): Likewise.
2558 (init_ggc): Set up the object_size_table, objects_per_page_table,
2559 and adjust size_lookup.
2560 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2561 (ggc_pop_context): Use NUM_ORDERS.
2562 (clear_marks): Likewise.
2563 (sweep_pages): Likewise.
2564 (poison_pages): Likewise.
2565 (ggc_print_statistics): Use OBJECT_SIZE.
2567 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2569 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2570 Only call array_size_for_constructor if last field and array type
2571 with no upper bound.
2573 2001-01-04 Philip Blundell <philb@gnu.org>
2575 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2576 from bit 31 downwards, if this requires no more insns.
2577 (count_insns_for_constant): New helper function for above.
2579 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2581 * gencodes.c (output_predicate_decls): Remove empty initializer.
2583 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2585 * tree.c (copy_node): Remove documentation about obstacks.
2586 (buidl1): Check that nobody tries to build 2-argument nodes this
2589 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2591 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2594 * gencodes.c (output_predicate_decls): Fill empty initializer
2597 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2599 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2600 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2602 (do_include): Handle missing headers like cpp0.
2603 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2604 paths with first include pathname. Don't strcat to uninitialized
2607 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2609 * regrename.c (regrename_optimize): Don't rename from frame pointer
2610 if frame_pointer_needed.
2611 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2612 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2613 (ia64_reorg): Use it instead of scheduling if ! optimize.
2614 (errata_emit_nops): Properly call asm_noperands.
2615 (ia64_sched_reorder): Finish cycle if we see an asm.
2616 (ia64_variable_issue): Clear scheduling state after asms.
2618 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2620 * cpp.texi: Update for -MT.
2621 * cppinit.c (initialize_dependency_output): Add a default
2622 target if none has been given already.
2623 (no_tgt, OPT_MT): New.
2624 (cpp_handle_option): Handle -MT. Update -M etc.
2625 * cpplib.h (struct cpp_options): Remove deps_target.
2626 * gcc.c (cpp_options): Handle -MT.
2627 * mkdeps.c (struct deps): Move from mkdeps.h.
2628 (deps_calc_target): Rename deps_add_default_target. Add a
2629 default target if none has been specified already.
2630 * mkdeps.h (struct deps): Move to mkdeps.c.
2631 (deps_calc_target): Rename deps_add_default_target.
2633 2000-01-03 Richard Henderson <rth@redhat.com>
2635 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2637 * c-typeck.c (push_init_level): Move checks for flexible array
2638 members and zero length arrays ...
2639 (pop_init_level): ... here. Silently discard empty initializations.
2641 * varasm.c (output_constructor): Update for sizeof change to
2644 * extend.texi (Zero Length): Clarify semantics.
2646 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2648 * configure.in (tm.h): Include isns-codes.h last.
2649 * configure: Rebuilt.
2651 2001-01-03 Richard Henderson <rth@redhat.com>
2653 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2654 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2656 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2658 * tradcpp.c (main): Make sure finclude() is called with a valid
2659 indepth value while handling -include.
2661 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2663 * gencodes.c (output_predicate_decls): New function.
2665 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2666 even if it is not the first time machmode.h is #included.
2667 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2668 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2669 * gcc.texi (Copyright): Added 2001.
2671 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2673 * c-common.c (c_common_lang_init): New function. Warn if format
2674 warning options which only have effects when used with -Wformat
2675 are used without -Wformat.
2676 * c-common.h (c_common_lang_init): Declare.
2677 * c-lang.c (lang_init): Call c_common_lang_init.
2678 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2680 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2682 * configure.in: Check for the mktemp command.
2683 * configure: Regenerate.
2684 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2685 $TEMP. Create temporary files with mktemp, if available at
2686 configure time; otherwise use set -C. Remove temporary files
2689 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2691 * configure.in: Require at least texinfo 4.0. Check for whether
2692 Pod::Man is sufficiently recent to regenerate GCC manpages.
2693 * configure: Regenerate.
2694 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2696 (GENERATED_MANPAGES): Define.
2697 (generated-manpages): New target. Depend on cpp.1 as well as
2699 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2700 configure to generated-manpages or empty) rather than on the
2701 manpages directly. Remove execute permission from installed
2702 gcov.1 as well as cpp.1.
2703 * cpp.1, gcov.1: Regenerate.
2705 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2707 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2708 tree_low_cst. Allow using cmpstrsi in more cases.
2710 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2712 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2715 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2717 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2718 * Makefile.in (HOST_CFLAGS): Mention build-make.
2720 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2722 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2725 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2727 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2730 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2733 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2734 reg_base_value and reg_known_value arrays.
2735 (init_alias_analysis): Add more cases to detect known values.
2736 * sched-deps.c (deps_may_trap_p): New function.
2737 (sched_analyze_2): Use it.
2739 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2741 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2742 don't discard an ASHIFTRT if we're shifting in a wider mode.
2744 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2746 * toplev.c (rest_of_compilation): Don't print basic block information
2747 when CFG isn't up to date.
2749 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2751 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2752 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2753 (UNALIGNED_SHORT_ASM_OP): Define.
2754 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2756 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2758 * fold-const.c (fold_convert): Fix typo.
2760 2001-01-02 Richard Henderson <rth@redhat.com>
2762 * c-common.h (ASM_INPUT_P): New.
2763 * c-parse.in (asm): Set it when needed.
2764 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2765 existance of an operand.
2767 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2769 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2770 (dwarf2out_frame_debug_expr): Likewise.
2771 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2773 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2775 * i386.c (ix86_split_to_parts): Return number of part required;
2777 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2779 (ix86_split_long_move): Use number of part returned
2780 by ix86_split_to_parts
2781 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2783 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2784 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2785 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2786 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2787 (ALIGN_MODE_128): Add TFmode.
2788 (IS_STACK_MODE): Likewise.
2789 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2790 (HARD_REGNO_OK): Support TFmodes.
2791 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2792 * i386.md (scheduler definitions): Use memory operand to determine
2793 fst/fld instructions; use mode attribute to determine real mode of
2795 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2796 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2798 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2800 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2802 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2804 * expr.c (store_constructor_field): Update ALIGN before calling
2807 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2809 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2812 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2814 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2817 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2819 * c-decl.c (start_function): Don't warn on third parameter to main.
2821 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2823 * tsystem.h: Define HAVE_DECL_GETOPT.
2825 2001-01-02 Philip Blundell <pb@futuretv.com>
2827 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2830 2001-01-02 Richard Henderson <rth@redhat.com>
2832 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2834 2001-01-02 Andreas Jaeger <aj@suse.de>
2836 * c-decl.c (c_decode_option): Remove support of
2839 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2840 (W_options): Add -Wmissing-noreturn here.
2842 * flow.c: Define lang_missing_noreturn_ok_p.
2843 (check_function_return_warnings): Use it.
2845 * c-common.h: Declare lang_missing_noreturn_ok_p.
2847 * c-lang.c (c_missing_noreturn_ok_p): New function.
2848 (lang_init): Set lang_missing_noreturn_ok_p.
2850 * invoke.texi (Warning Options): Document this.
2852 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2854 * extend.texi (C++ Extensions): New node for C++ attributes;
2855 describe init_priority and com_interface.
2856 * invoke.texi: Remove -finit-priority as it now has zero effect.
2857 * install.texi: Fix xref syntax.
2858 * md.texi: Likewise.
2860 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2862 * config.gcc (sparc64-wrs-vxworks*): New case.
2863 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2865 * config/sparc/sparc.c (sparc_override_options): Do support different
2866 pointer and architecture size.
2867 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2868 (POINTERS_EXTEND_UNSIGNED): Define.
2869 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2870 (FUNCTION_MODE): Define to be Pmode.
2871 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2873 * function.c (expand_function_end): Properly handle DECL_RESULT
2874 and copy when ptr_mode != Pmode.
2875 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2877 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2879 * c-common.c (c_common_nodes_and_builtins): Set prototype
2880 parameters for __builtin_fputs, __builtin_fputc and
2881 __builtin_fwrite. Don't declare plain fputc as a builtin.
2883 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2885 * loop.c (add_label_notes): Increment the label usage count when
2886 a note is added to an insn which refers to a CODE_LABEL.
2887 * gcse.c (add_label_notes): Likewise.
2889 2001-01-01 Andreas Jaeger <aj@suse.de>
2891 * loop.c (scan_loop): Use xmalloc to allocate movables.
2893 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2895 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2896 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2897 * reload1.c (REGISTER_MOVE_COST): Likewise.
2898 * regclass.c (REGISTER_MOVE_COST): Likewise.
2899 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2900 dimension. Adjust all users.
2901 (init_reg_sets_1): Iterate on all modes.
2902 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2903 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2904 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2905 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2906 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2907 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2908 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2909 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2910 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2911 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2912 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2913 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2914 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2915 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2916 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2917 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2918 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2919 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2920 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2921 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2922 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2923 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2924 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2925 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2926 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2927 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2928 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2930 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2932 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2933 arg VARIES_P. Call it with extra arg.
2934 (true_dependence): Likewise.
2935 * rtl.h (rtx_addr_can_trap_p): Declare.
2936 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2938 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2939 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2940 pic offset table register if it's zero. All callers changed.
2941 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2943 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2945 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2946 STRING_POOL_ADDRESS_P.
2948 * config/sparc/sparc.c (input_operand): Properly test for short op.
2950 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2951 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2952 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2953 * config/sparc/elf.h: No longer include sol2.h.
2954 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2955 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2957 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2959 2001-01-01 Michael Hayes <mhayes@redhat.com>
2961 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2962 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2963 (record_initial): Likewise.
2964 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2965 (remap_split_bivs): Likewise.
2967 2001-01-01 Michael Hayes <mhayes@redhat.com>
2969 * loop.c (loop_ivs_free): New function.
2970 (strength_reduce): Break out from...
2972 2001-01-01 Michael Hayes <mhayes@redhat.com>
2974 * loop.h (struct iv): New.
2975 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2976 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2977 'reg_biv_class' fields with 'regs' and 'n_regs'.
2978 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2979 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2980 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2982 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2984 * resource.c (mark_referenced_resources): Abort() before
2985 attempting to mark a pseudo register.
2986 (mark_set_resources): Likewise.
2988 2001-01-01 Michael Hayes <mhayes@redhat.com>
2990 * loop.h (REG_IV_CLASS): New accessor macro.
2991 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2992 * unroll.c (REG_IV_CLASS): Likewise.
2994 See ChangeLog.4 for earlier changes.