1 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3 * extend.texi (Attribute Syntax): New section.
5 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8 they didn't need fixing.
10 2001-01-27 Janis Johnson <janis@us.ibm.com>
12 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
14 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
15 to remove macro definitions that are duplicated from elfos.h.
17 2001-01-27 Richard Henderson <rth@redhat.com>
19 * config/i386/sco5gas.h: Move ...
20 * config/usegas.h: ... here.
21 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
23 2001-01-27 Jakub Jelinek <jakub@redhat.com>
25 * c-typeck.c (struct constructor_stack): Add range_stack member.
26 (really_start_incremental_init): Clear it.
27 (push_init_level): Save constructor_range_stack and clear it if
28 pushing explicit braces.
29 (pop_init_level): abort if constructor_range_stack is non-zero at
30 explicit closing brace. Restore saved constructor_range_stack if
33 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
35 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
36 into register was forced into memory.
38 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
40 * Makefile.in: Remove uses of + before $(MAKE).
42 2001-01-26 Richard Henderson <rth@redhat.com>
44 * stmt.c (cost_table): Remove.
45 (COST_TABLE, cost_table_initialized): New.
46 (estimate_case_costs): Use the later instead of the former.
47 (balance_case_nodes): Likewise.
49 2001-01-26 Richard Henderson <rth@redhat.com>
51 * alias.c (objects_must_conflict_p): Read-only slots may not
52 conflict despite having the same type.
54 2001-01-27 Michael Hayes <mhayes@redhat.com>
56 * loop.c (loop_giv_reduce_benefit): Copy mode size into
58 (check_ext_dependant_givs): Initialise u_start_val and
60 (load_mems): Make last_max_reg unsigned.
61 (try_swap_copy_prop): Use INSN_P and initialise set.
63 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
65 * README.AVR : Removed.
67 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
69 * pa-64.h (text_section): Remove declaration.
71 * pa.md (return_internal): Remove mode on PIC register use.
73 2001-01-25 lars brinkhoff <lars@nocrew.org>
75 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
76 ASM_CLOSE_PAREN): fix typos.
78 2001-01-25 Mark Mitchell <mark@codesourcery.com>
80 * acconfig.h: Define `const' to the empty string if neither
81 __STDC__ nor __cplusplus is defined.
82 * config.in: Regenerated.
84 2001-01-25 David Edelsohn <edelsohn@gnu.org>
86 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
87 * collect2.c (main): Delete importf. Add ".obj" file extension.
88 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
89 (aix_std_libs): Add additional AIX libraries to skip.
90 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
91 * config/rs6000/aix51.h: New file.
93 2001-01-25 Michael Hayes <mhayes@redhat.com>
95 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
96 (loop_insn_emit_before): No longer static.
97 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
98 (loop_givs_rescan, load_mems): Likewise.
99 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
100 (maybe_eliminate_biv_1):
101 (move_movables): Replace emit_call_insn_before with
102 loop_call_insn_hoist.
103 * loop.h (loop_insn_emit_before): Add.
104 * unroll.c (copy_loop_body): Replace emit_insn_before with
105 loop_insn_emit_before.
107 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
109 * diagnostic.c (fatal): Request preprocessed source.
111 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
113 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
114 olddecl has argument types and newdecl has none, use the argument
117 2001-01-24 Ulrich Drepper <drepper@redhat.com>
119 * dwarf2out.c (prefix_of): New function. Determine longest common
120 prefix of the two arguments. The units are whole path components.
121 (output_file_names): When adding a new directory find the one entry
122 with the longest common prefix already in the list. Artificially
123 generate entry if there is none for this prefix.
124 Fix test to check whether the zeroth directory entry is used.
126 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
128 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
129 Changed all callers. Take it into account when deciding if a
130 previously loaded value matches.
132 2001-01-24 Richard Henderson <rth@redhat.com>
134 * reload.c (find_reloads_subreg_address): Fail the substitution
135 if the resulting address is insufficiently aligned.
137 2001-01-24 DJ Delorie <dj@redhat.com>
139 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
140 check the original operand's mode also.
141 * simplify-rtx.c (simplify_ternary_operation): Ditto.
143 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
145 * c-parse.in (cast_expr): Move compound literals from here ...
146 (primary): ... to here. Use standard terminology "compound
147 literal" instead of "constructor expression".
149 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
151 * gcc.1, cpp.1: Regenerate.
153 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
155 * calls.c (emit_library_call_value_1): Memory slot for
156 pass-by-reference argument should have the mode of the argument,
157 not of the pointer to it.
159 2001-01-24 Tom Tromey <tromey@redhat.com>
161 * gcc.texi (G++ and GCC): Mention gcj manual.
162 (Standards): Link to section of manual mentioning gcj/Java
165 2001-01-24 Jakub Jelinek <jakub@redhat.com>
167 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
168 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
169 * tradcpp.c (main): Add -imacros or -include'd dependencies
171 * cpp.texi (-M, -MM): Document -M -include behaviour.
173 2001-01-24 Roger Collins <roger@ProProject.com>
175 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
177 2001-01-24 Will Cohen <wcohen@redhat.com>
179 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
180 whether registers are 32 bits or 64 bits in size.
182 2001-01-24 Ben Elliston <bje@redhat.com>
184 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
186 2001-01-24 Richard Henderson <rth@redhat.com>
188 * config/alpha/alpha.md (builtin_longjmp_internal): New.
189 (builtin_longjmp): Use it instead of emit_indirect_jump.
191 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
193 * bb-reorder.c (make_reorder_chain_1): Handle case where
194 jump edge goes to the same block as the fallthru edge.
196 2001-01-23 Jim Wilson <wilson@redhat.com>
198 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
199 * frame.h (__ia64_personality_v1): Add prototype.
200 * libgcc2.c (ia64_throw_helper): Change personality declaration to
201 prototype form. Add void * cast to first argument to personality
203 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
204 (asctoe113): Likewise.
205 * config/ia64/frame-ia64.c: Include eh-common.h.
206 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
208 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
210 (itanium_split_issue): Add prototype.
211 (gen_nop_type): Ifdef out.
212 (find_best_packet): Initialize best_packet.
213 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
215 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
216 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
217 (flushrs): Add explicit stop bit at end.
218 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
221 2001-01-23 Chris Demetriou <cgd@broadcom.com>
223 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
225 * libgcc2.c (__terminate_func): Make variable static.
226 (__terminate_set_func): New function to set __terminate_func.
227 * libgcc2.h (__terminate_func_ptr): New typedef.
228 (__terminate_set_func): New function.
230 2001-01-23 Richard Henderson <rth@redhat.com>
232 * flow.c (init_propagate_block_info): Don't consider unchanging
233 memories for dead frame store elimination.
235 2001-01-23 Richard Henderson <rth@redhat.com>
237 * varasm.c (UNIQUE_SECTION): Move default implementation ...
238 * defaults.h: ... here.
240 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
242 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
244 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
246 * c-lex.c (lex_charconst): Fix typo: s/p/str.
248 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
250 * rs6000.h (rs6000_return_addr): Move prototype from here...
251 * rs6000-protos.h (rs6000_return_addr): ...to here.
252 (rs6000_init_expanders): Delete prototype.
254 2001-01-23 Nick Clifton <nickc@redhat.com>
256 * invoke.texi: Replace , with \, inside @gccoptlist macros.
257 (Spec Files): Document %B and %j and %. and %v3 and %M and
258 %{S*&T} spec switches.
260 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
262 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
264 2001-01-23 Chris Demetriou <cgd@sibyte.com>
265 Neil Booth <neil@daikokuya.demon.co.uk>
267 * cpperror.c: Merge handlers of PEDWARN and WARNING.
268 Have -Werror make pedantic warnings errors, like the
271 2001-01-23 Phil Edwards <pme@sources.redhat.com>
273 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
275 2001-01-23 Jakub Jelinek <jakub@redhat.com>
277 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
278 * integrate.c (expand_inline_function): Initialize them.
279 (subst_constants): If changing COMPARE so that both its arguments
280 will be VOIDmode and the comparison mode will be lost, note
281 compare_mode. Use the recorded compare_mode to optimize
284 2001-01-23 Jason Merrill <jason@redhat.com>
286 * dwarf2out.c (new_die): Use xcalloc.
287 (output_die): Abort rather than emit a local reference to offset 0.
289 2001-01-17 Andrew Haley <aph@redhat.com>
291 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
292 of a saved register; return NULL instead.
293 (copy_reg): Take a pointer to a source register rather than a
295 (next_stack_level): Remember the address in the stack frame of all
297 Use the saved register pointer array as the source of the CFA.
298 (throw_helper): Rewrite. Unwind once rather than twice and keep
299 track of saved registers as we go.
301 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
303 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
304 * c4x.c (c4x_legitimize_reload_address): Remove.
305 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
306 reload address for ldp(k) insn.
308 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
310 * pa.md (return_internal): Add a USE of the PIC register to ensure
311 it is restored after each call.
312 (return expander): Corresponding changes.
314 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
316 * rs6000.h (INIT_EXPANDERS): Delete.
317 (RETURN_ADDR_RTX): Call rs6000_return_addr().
318 * rs6000.c (rs6000_override_options): Call *_machine_status from
320 (rs6000_init_expanders): ...instead of here. Delete.
321 (rs6000_mark_machine_status): New function.
322 (rs6000_init_machine_status): Use xcalloc.
323 (rs6000_return_addr): Generate RTX for the return address.
324 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
325 (rs6000_stack_info): Use it.
327 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
329 * gthr-win32.h: Include errno.h to get a declaration for
330 EINVAL and _mingw.h if the target is mingw32.
332 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
334 * cpp.texi: Correct typos.
336 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
338 * explow.c (probe_stack_range): Ensure value passed to
339 stack_check_libfunc is ptr_mode, not Pmode.
341 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
343 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
344 case, don't use operand_subword to calculate a SUBREG that is
347 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
349 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
351 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
352 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
353 valid. If not replace it by equivalent insns.
355 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
357 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
358 contains SYMBOL_REF, LABEL_REF and CONST_INT.
359 (c4x_U_constraint, symbolic_address_operand): Likewise.
360 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
362 (c4x_r11_set_p, c4x_check_laj_p): New functions.
363 * c4x-protos.h (c4x_check_laj_p): Add prototype.
364 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
365 anulling slot because of silicon bug.
366 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
368 2001-01-22 Alan Modra <alan@linuxcare.com.au>
370 * cppexp.c (parse_charconst): Change `mask' type to agree
373 2001-01-21 Richard Henderson <rth@redhat.com>
375 * config/i386/i386.c (ix86_asm_file_end): Disable putting
376 pic_label_name in a linkonce section.
378 2001-01-17 Philipp Thomas <pthomas@suse.de>
380 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
382 * configure: Regenerate.
384 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
386 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
387 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
389 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
391 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
392 If REVERSE nonzero then condition code in X must be reversed.
393 (encode_section_info): Optimise if/else.
394 (avr_function_value): Fix formatting.
396 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
397 (difficult_branch): Likewise.
398 (rvbranch): Likewise.
399 (difficult_rvbranch): Likewise.
401 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
403 * config/avr/libgcc.S: Fix comment.
405 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
407 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
409 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
411 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
413 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
415 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
416 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
417 * configure, config.in: Regenerate.
418 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
419 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
420 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
421 (doprint.o): New rule.
423 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
425 * c-typeck.c (digest_init): Handle boolean types as scalars.
427 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
429 * stmt.c (expand_return): Don't return anything if size is zero.
430 Delete redundant assignment to BYTES.
431 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
433 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
435 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
436 the same as the default library function names.
437 * config/avr/avr.md: Document special characters after '%'.
438 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
439 knowing which of the call-used registers are really clobbered.
440 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
441 New. Both quotient and remainder from one libgcc.S call.
442 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
443 clobber as few registers as possible.
444 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
446 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
448 * cppmacro.c (funlike_invocation_p): Don't move back up to the
449 context of the top of the stack.
451 2001-01-20 Jakub Jelinek <jakub@redhat.com>
453 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
454 (fixup_var_refs_insns): ...here.
456 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
458 * function.c (fixup_var_refs_insns): Break up into
459 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
460 [loop over entire insn list], and fixup_var_refs_insns_with_hash
461 [loop over hash table entries].
462 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
463 fixup_var_refs_insns_with_hash, to match above changes.
465 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
467 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
468 (libgcc.a): Likewise.
469 (stmp-multilib): Likewise.
470 (STAGE2_FLAGS_TO_PASS): Likewise.
472 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
474 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
475 temporary if no_new_pseudos.
477 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
479 * cppinternals.texi: Update.
481 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
483 * arm.c (arm_init_builtins): Re-enable builtins.
485 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
487 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
488 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
489 element to be null, and always expect an EXPR_LIST.
490 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
491 * sched-deps.c (sched_analyze_1): Likewise.
492 * sched-rgn.c (check_live_1, update_live_1): Likewise.
494 * regclass.c (max_set_parallel): New variable.
495 (reg_scan): Take it into account in computation of max_parallel.
496 (reg_scan_mark_refs, case SET): Compute it.
498 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
500 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
501 * function.c (assign_parms): Use INTVAL for a CONST_INT.
503 2001-01-19 Jason Merrill <jason@redhat.com>
505 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
506 for the abstract instance of an inline function.
508 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
509 J"orn Rennecke <amylaar@redhat.com>
511 * reload1.c (move2add_note_store): Treat all registers directly or
512 indirectly derived from a base register as members of the same set
514 (reload_cse_move2add): Adjust accordingly. Take mode and offset
515 of base register into account.
517 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
519 * alias.c (find_base_value): Recognize TRUNCATE.
520 (record_set): In PLUS case, invalidate if other summand is also a
523 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
525 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
526 entry to be EXPR_LIST.
527 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
528 be an EXPR_LIST (but not null, which other code doesn't allow).
529 (note_stores): Properly handle PARALLEL in SET.
530 Recursively call for top-level PARALLEL.
531 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
532 * sched-rgn.c (check_live_1, update_live_1): Likewise.
534 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
536 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
538 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
539 not pfile->skipping (== 0).
541 2001-01-17 Nick Clifton <nickc@redhat.com>
543 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
546 2001-01-17 Jim Wilson <wilson@redhat.com>
548 * invoke.texi (IA-64 options): Improve.
550 2001-01-17 Tom Tromey <tromey@redhat.com>
552 * invoke.texi (Optimize Options): Use `{}' to around @samp
555 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
557 * invoke.texi (-fno-guess-branch-probability): New option.
559 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
561 * combine.c (try_combine): Don't set i3_subst_into_i2 for
562 case of making new double-word constant.
563 Revert last change: instead just test i3_subst_into_i2.
565 2001-01-17 Jakub Jelinek <jakub@redhat.com>
567 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
568 Use q constraints instead of r.
570 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
572 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
573 (machine_function): Define.
574 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
575 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
576 pa_free_machine_status): New functions.
577 (override_options): Set {init,mark,free}_machine_status to above.
578 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
579 PIC_OFFSET_TABLE_REGNUM_SAVED.
580 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
581 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
582 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
583 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
584 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
586 2001-01-15 DJ Delorie <dj@redhat.com>
588 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
592 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
594 * flow.c (propagate_on_insn): Make trying to delete a prologue
595 or epilogue insn an ICE, not a warning. Allow doing this if
596 the current function returns with stack pointer depressed.
598 * combine.c (try_combine): If i3_subst_into_i2, properly check for
599 I3 having more than one SET.
601 2001-01-16 Jim Wilson <wilson@redhat.com>
603 * invoke.texi: Document IA-64 options.
605 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
606 (fixup_errata): Delete TARGET_A_STEP use.
607 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
608 (TARGET_SWITCHES): Delete -ma-step option.
609 * config/ia64/ia64.md (all FP patterns): Delete %B0.
610 (movqicc_astep, movqi_internal_astep, movhicc_astep,
611 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
612 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
613 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
614 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
616 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
617 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
618 cmovsi_internal): Delete ! TARGET_A_STEP check.
620 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
622 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
623 possibility to report bugs via postal mail. Change a URL and
624 merge in a nearly duplicate statement...
625 (Bug Reporting): ...from here.
626 (Service): Refer to the Bug Reporting section instead of
628 (Contributing): Remove trivial explanations concerning snapshots.
630 2001-01-16 Alan Modra <alan@linuxcare.com.au>
632 * cppmain.c (general_init): Don't use ANSI prototype.
634 2001-01-16 Tom Tromey <tromey@redhat.com>
636 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
638 2001-01-16 Richard Henderson <rth@redhat.com>
640 * config/i386/i386.h: Fix comment typo.
641 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
642 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
644 2001-01-16 Phil Edwards <pme@sources.redhat.com>
646 * gcc.c: Revert previous -fsyntax-only-related change; move
649 2001-01-16 Jakub Jelinek <jakub@redhat.com>
651 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
652 inmode after checking GET_CODE (op).
654 2001-01-16 Richard Henderson <rth@redhat.com>
656 * flow.c (struct propagate_block_info): Add mem_set_list_len.
657 (MAX_MEM_SET_LIST_LEN): New.
658 (propagate_one_insn): Update mem_set_list_len.
659 (invalidate_mems_from_autoinc): Likewise.
660 (invalidate_mems_from_set): Likewise.
661 (mark_used_regs): Likewise.
662 (init_propagate_block_info): Likewise. Stop collecting memories
663 when we reach MAX_MEM_SET_LIST_LEN.
664 (mark_set_1): Likewise.
666 2001-01-16 Richard Henderson <rth@redhat.com>
668 * unroll.c (precondition_loop_p): Fail if no iteration
671 2001-01-16 Phil Edwards <pme@sources.redhat.com>
673 * gcc.c: When -fsyntax-only is given, do not complain about
676 2001-01-15 Richard Henderson <rth@redhat.com>
678 * config/i386/i386.c (asm_output_function_prefix): Remove.
679 (ix86_asm_file_end): New.
680 (load_pic_register): Generate pic_label_name into a
681 staticly allocated buffer.
682 * config/i386/i386-protos.h: Update.
683 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
685 * config/i386/i386afe.h: New file.
686 * config.gcc (i?86-*-elf) [tm_file]: Use it.
687 (i?86-*-{freebsd,linux*,moss*}): Likewise.
688 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
689 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
690 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
691 * config/i386/sco5.h (ASM_FILE_END): Likewise.
692 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
694 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
696 * Makefile.in (install-man): Remove explicit dependency on
699 * configure.in, configure: Revert previous patch requiring perl
702 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
704 * toplev.c (flag_guess_branch_prob): New.
705 (f_options): Add guess-branch-probability option.
706 (rest_of_decl_compilation): Only estimate branch probability if
708 (main): set flag_guess_branch_prob.
710 * flags.h (flag_guess_branch_prob): New.
712 2001-01-15 DJ Delorie <dj@redhat.com>
714 * gcc.texi (Makefile): Add documentation for Makefile targets.
716 2001-01-15 Philip Blundell <philb@gnu.org>
718 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
720 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
721 (is_pic): Delete declaration.
722 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
723 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
724 * config/arm/arm.md (builtin_setjmp_receiver): New.
726 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
728 * arm.c (use_return_insn): Don't try to determine the function type
729 until after reload has completed.
730 (arm_output_epilogue): Don't adjust the sp value recovered from the
732 (emit_multi_reg_push): Don't record dwarf information for the pc.
733 * arm.md (eh_epilogue): The function type may have changed, so it
734 needs to be recalculated.
735 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
736 unwind tables on arm/netbsd.
738 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
740 * arm.md (cbranchsi4): Correct calculation of branch ranges.
741 (negated_cbranchsi4): Likewise.
743 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
745 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
746 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
747 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
748 pass -mapcs-* options to assembler.
749 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
750 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
751 (ASM_SPEC): Call subtarget_extra_asm_spec.
753 2001-01-15 Andreas Jaeger <aj@suse.de>
755 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
757 (ix86_expand_builtin): Likewise.
759 * gencodes.c (output_predicate_decls): Make i size_t to avoid
760 warning about comparison between signed and unsigned.
762 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
764 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
766 2001-01-14 Ralf Baechle <ralf@gnu.org>
768 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
769 SUBTARGET_CPP_SPEC apropriatly.
771 2001-01-12 Mark Mitchell <mark@codesourcery.com>
773 * varasm.c (make_decl_rtl): Fix typo in last change.
775 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
777 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
778 linker supports the init_priority C++ attribute.
779 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
780 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
781 linker does not support init_priority C++ attribute.
783 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
785 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
787 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
789 * c-parse.in (finish_parse): Add comment about cpp_destroy.
790 * cp/lex.c (finish_parse): Similarly.
791 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
792 Return the number of errors encountered.
793 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
794 * cppmain.c (main): Don't call cpp_destroy.
796 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
798 * configure.in: Require at least perl 5.6.0 to regenerate
800 * configure: Regenerate.
802 2001-01-14 Richard Henderson <rth@redhat.com>
804 * genrecog.c (DT_veclen_ge): New.
805 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
806 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
807 (nodes_identical_1): Handle DT_veclen_ge.
808 (write_cond, debug_decision_2): Likewise.
810 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
812 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
814 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
816 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
818 * cppmain.c (do_preprocessing): New function; most of the old
820 (main): Call it to do most of the work.
821 (cb): Move from global scope to set_callbacks ().
822 (setup_callbacks): Get the callback pointer.
823 (general_init, printer_init): Clean up code and comments.
825 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
827 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
830 2001-01-14 Kazu Hirata <kazu@hxi.com>
832 * config/h8300/h8300.c (get_shift_alg): Update comments.
834 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
836 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
837 (alloc_page, ggc_alloc): Add casts to remove warnings.
839 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
841 * combine.c (simplify_comparison): Don't change `code' when
842 can't reverse comparison.
844 2001-01-14 Richard Henderson <rth@redhat.com>
846 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
847 update all call sites. Return true for all non-label constants.
849 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
851 * i386.c (ix86_expand_compare): Add bypass_test and second_test
853 (ix86_expand_branch): Update.
854 (ix86_expand_setcc): Update to handle multiple test conditions.
855 (expand_int_movcc): Likewise.
856 (expand_fp_movcc): Likewise.
857 * i386-protos.h (ix86_expand_compare): New.
858 * i386.md (andqi_?_slp, orqi_?_slp): New.
859 (conditional trap expander): Update call to ix86_expand_compare.
861 2001-01-14 Richard Henderson <rth@redhat.com>
863 * config/vax/vax.md: Use nonimmediate_operand instead of
864 general_operand in destinations.
866 * config/vax/vax.md (indirect_jump): Use register_operand.
868 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
869 * config/vax/vax.md (call_pop): Turn into an expander.
870 (call_value_pop): Likewise.
871 (call, call_value): New.
873 2001-01-14 Andreas Jaeger <aj@suse.de>
875 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
877 (ix86_fp_compare_mode): Add unused attribute.
878 (ix86_expand_fp_movcc): Remove unused variable.
879 (ix86_expand_builtin): Make fcode unsigned.
881 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
882 (expand_expr): Add cast to avoid signed warning.
883 (store_field): Likewise.
884 (store_constructor_field): Likewise.
885 (store_constructor): Likewise.
886 (store_expr): Likewise.
887 (clear_storage): Likewise.
888 (emit_group_store): Likewise.
889 (emit_group_load): Likewise.
891 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
893 * c-common.c: Move format checking code to ...
894 * c-format.c: ... here. New file. Reorder some functions and
896 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
898 * c-common.h (decl_handle_format_attribute,
899 decl_handle_format_arg_attribute): Declare.
900 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
901 (c-common.o): Adjust dependencies.
902 (c-format.o): New list of dependencies.
904 2001-01-13 Jakub Jelinek <jakub@redhat.com>
906 * unroll.c (loop_iterations): If we cannot prove iteration variable
907 is set once in each iteration, punt.
909 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
911 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
912 (*strlenhi): Remove clobber (which was buggy) of output address.
914 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
916 * Makefile.in (generated-manpages): Add gcc.1
917 ($(srcdir)/gcc.1): New target.
918 (maintainer-clean): Delete $(srcdir)/gcc.1.
919 * gcc.texi: Add macros @gccoptlist and @gol.
920 * invoke.texi: Include option summary in manpage. Mark up option
921 summary with @gccoptlist and @gol. Use @r in one place where
923 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
924 * gcc.1: Generate from invoke.texi.
926 2001-01-13 Richard Henderson <rth@redhat.com>
928 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
929 (struct page_entry): Add group member.
930 (struct page_group): New.
931 (struct globals): Add page_groups member.
932 (alloc_anon): Only define for using mmap; remove valloc call.
933 (page_group_index): New.
934 (set_page_group_in_use): New.
935 (clear_page_group_in_use): New.
936 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
937 (free_page, release_pages): Likewise.
938 * configure.in (with-gc): Default to ggc-page always.
940 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
942 * reload1.c (replace_pseudos_in_call_usage): Use
943 reg_equiv_constant and reg_equiv_address, and don't try
946 2001-01-13 Richard Henderson <rth@redhat.com>
948 * ggc-page.c (alloc_page): Round up allocation size to one page.
949 Set e->order on extra pages.
951 2001-01-13 Richard Henderson <rth@redhat.com>
953 * genrecog.c (nodes_identical): Expand commentary.
954 (write_switch): Watch out for identical nodes.
956 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
958 * cppfiles.c (_cpp_fake_include): New function.
959 * cpphash.h (_cpp_fake_include): New.
960 * cpplib.c (do_line): Call _cpp_fake_include when entering
961 header files in preprocessed input.
962 * cppmain.c (cb_pragma_implementation): Remove handling.
963 (setup_callbacks): Don't register pragmas.
965 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
967 * extend.texi: Udate for CPP.
969 2001-01-13 Andreas Jaeger <aj@suse.de>
971 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
973 * regmove.c: Add prototype for replace_in_call_usage.
975 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
977 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
978 struct cpp_chunk, struct htab, struct toklist,
979 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
980 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
981 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
982 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
983 (struct macro_args): Delete.
984 * cpphash.h: See above.
986 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
988 * cppmain.c (struct printer): Remove no_line_dirs.
990 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
991 : Use options rather than CPP_OPTION.
992 (setup_callbacks): Use cb rather than pfile->cb.
993 (main): No need to check for a buffer. Use cpp_errors.
994 (printer_init): Don't set no_line_dirs.
995 (maybe_print_line): Use options not no_line_dirs.
996 (cb_file_change): Don't call print_line if -P.
998 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1000 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1002 * c-parse.in (finish_parse): Use cpp_errors.
1003 (__yylex): Use return value of cpp_pop_buffer.
1004 * cp/lex.c (finish_parse): Use cpp_errors.
1005 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1007 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1009 * README.AVR: URLs corrected.
1011 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1013 * c-decl.c (start_function): Don't warn if old prototype is builtin
1014 that's not in C's namespace.
1015 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1016 (_bb): Add prototype for ctime.
1017 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1019 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1021 * i386.c (ix86_fp_comparison_arithmetics_cost,
1022 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1023 ix86_fp_comparison_cost): New functions.
1024 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1025 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1026 two-branch sequences; make static.
1027 (ix86_use_fcomi_compare): Do decision according to the costs.
1028 (split_fp_branch): New.
1029 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1030 * i386-protos.h (ix86_expand_fp_compare): Remove
1031 (ix86_split_fp_branch): Declare.
1033 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1034 and ix86_comparison_operator.
1036 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1039 * i386.c (put_condition_code): Output properly the unordered/ordered
1040 compares in fp case.
1041 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1043 * tm.texi (REVERSE_CONDITION): Document.
1044 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1045 in -ffast-math mode.
1046 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1048 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1050 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1052 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1055 * config/sh/sh.c (mova_p): Fix test for mova_const.
1057 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1059 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1060 cpp_get_options rather than dereferencing pfile and using
1062 * scan-decls.c (scan_decls): Use return value of
1063 cpp_pop_buffer rather than CPP_BUFFER.
1065 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1067 * cppinit.c (cpp_handle_option): help_only is now part of the
1068 cpp_options structure.
1069 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1070 cpp_set_callbacks): New functions.
1071 * cpplib.h (cpp_callbacks): Break out as a named structure.
1072 (cpp_options): Move help_only here from cpp_reader.
1073 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1074 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1075 cpp_set_callbacks): New prototypes.
1076 * cppmain.c (main): Update for help_only.
1078 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1080 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1081 Also build and remove and install and uninstall c-tree.info and
1083 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1084 ($(srcdir)/cppinternals.info): New target.
1085 * c-tree.texi: Change file name used when makeinfo used without -o
1086 from ir.info to c-tree.info. Add info directory entry.
1087 * cppinternals.texi: Add info directory entry.
1088 * .cvsignore: Update.
1090 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1092 * c-typeck.c (store_init_value): Don't require constant initializer
1093 elements with -pedantic -std=c99.
1094 (digest_init): Change error about non-constant initializer elements
1096 (constructor_range_end): Remove.
1097 (constructor_incremental, designator_depth,
1098 designator_errorneous): New variables.
1099 (struct constructor_stack): Remove range_end, add incremental.
1100 (struct constructor_range_stack, constructor_range_stack): New.
1101 (struct initializer_stack): Add constructor_range_stack.
1102 (finish_init): Set it.
1103 (start_init): Likewise. require_constant_elements for non-static
1104 trees only if not flag_isoc99.
1105 (really_start_incremental_init): Remove constructor_range_end, add
1106 constructor_incremental.
1107 (pop_init_level): Likewise.
1108 (push_init_level): Likewise. If implicit and the subobject had some
1109 value set already, preinitialize the level with it.
1110 Warn about missing braces only if not pushing due to designators.
1111 (set_designator, push_range_stack): New functions.
1112 (set_init_label): Use them.
1113 (set_init_index): Likewise. Remove constructor_range_end.
1114 Error if designator index is outside of array bounds.
1115 (add_pending_init): Compare values of purpose index trees, not the
1116 trees themselves. Allow overwriting of already initialized element.
1117 Issue a warning if it had side-effects.
1118 (set_nonincremental_init, set_nonincremental_init_from_string): New
1120 (pending_init_member): Rename to...
1121 (find_init_member): ...this function. Call set_nonincremental_init
1122 if necessary. Compare values of purpose index trees, not the trees
1123 themselves. Return the actual value, not just non-zero if something
1125 (output_init_element): Remove checks for duplicates.
1126 If field has zero size, only check the initializer for correctness.
1127 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1128 if constructor_incremental is zero. Change error about initializers
1129 not computable at load time into pedwarn.
1130 (output_pending_init_elements): Compare bit positions, not
1131 FIELD_DECLs to take into account zero-sized fields.
1132 (process_init_element): Use constructor_range_stack to fill all
1133 ranges in the designator lists from current level up.
1134 * extend.texi: Update documentation for labeled elements.
1136 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1138 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1139 to function usage for arguments passed by reference. Optimize
1140 callee-copied arguments.
1141 * regmove.c (replace_in_call_usage): New function.
1142 (fixup_match_1): Call it.
1143 * cse.c (cse_insn): Canonicalize registers in function usage.
1144 * reload1.c (replace_pseudos_in_call_usage): New function.
1147 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1150 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1152 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1155 2001-01-12 DJ Delorie <dj@redhat.com>
1157 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1158 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1161 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1163 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1164 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1165 -std options alongside references to -ansi. Update some
1166 documentation for C99.
1167 * cpp.1: Regenerate.
1169 2001-01-12 Andreas Jaeger <aj@suse.de>
1171 * haifa-sched.c (restore_line_notes): Remove argument block B
1173 * sched-ebb.c (schedule_ebb): Change caller.
1174 * sched-rgn.c (schedule_region): Likewise.
1175 * sched-int.h (restore_line_notes): Adjust prototype.
1177 * loop.h: Remove wrong declaration of doloop_condition_get.
1179 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1181 * extend.texi: Move C++-extension-related node from the C section
1182 into the C++ section.
1184 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1186 * extend.texi: Refer to an array of pointers to functions instead
1187 of one of functions.
1189 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1190 Jan Hubicka <jh@suse.cz>
1192 * combine.c (reversed_comparison): Fix typo in last patch.
1194 (combine_reversed_comparison_code): Make static to follow
1195 prototype declaration.
1197 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1199 * install.texi: Remove misplaced duplicate entry.
1201 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1203 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1205 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1207 * final.c: (leaf_function_p): Fix typo.
1209 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1211 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1212 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1214 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1215 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1216 mmap_anon, and valloc is available.
1217 * ggc-page.c: Restructure ifdef logic to match new autoconf
1218 spec. Don't throw away the test page in init_ggc.
1220 * configure, config.in: Regenerate.
1222 2001-01-12 Michael Hayes <mhayes@redhat.com>
1224 * loop.h (total_biv_increment): Constify iv_class pointer.
1225 (struct induction): Replace `mem_mode' with `mem' rtx.
1226 * unroll.c (total_biv_increment): Constify iv_class pointer.
1227 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1228 (find_mem_givs, combine_givs_p): Likewise.
1229 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1231 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1233 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1235 (__gthread_getspecific): Ditto.
1237 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1239 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1240 put_condition_code): Convert fp comparison codes to integer
1242 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1245 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1246 * i386-protos.h (no_comparison_operator): Kill.
1248 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1250 * combine.c (REVERSIBLE_CC_MODE): Remove.
1251 (reversible_comparison_p): Remove.
1252 (combine_reversed_comparison_code): New.
1253 (reversed_comparison): New.
1254 (combine_simplify_rtx): Use
1255 combine_reversed_comparison_code/reversed_comparison instead
1256 of reversible_comparison_p.
1257 (simplify_if_then_else): Likewise.
1258 (simplify_set): Likewise.
1259 (simplify_logical): Likewise.
1260 (if_then_else_cond): Likewise.
1261 (known_cond): Likewise.
1262 (simplify_comparison): Likewise.
1264 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1266 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1267 sizeof (int) is larger than sizeof(__word__).
1269 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1271 * cppinit.c (do_includes): Fix typo.
1273 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1275 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1276 in S_REGS does not occur because not all sources are possible
1277 when a S_REGS is a destination (sometimes needs a clobber).
1278 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1279 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1280 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1281 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1282 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1283 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1284 (lshrdi_const1, lshrsi3_const16): Likewise.
1285 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1286 (*movhi_68hc12, *movqi_68hc12): Likewise.
1287 (movstrictqi): Make sure reloading in D_REGS as a destination
1290 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1292 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1294 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1296 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1297 -D, -U and -A, and don't initialize the builtins.
1298 (do_includes): Error if -include or -imacros with -fpreprocessed.
1299 * cppmain.c (cb_define, cb_undef): Unconditionally process
1301 * tradcpp.c (main): Fix typo.
1303 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1305 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1306 (read_name_map): Use IS_ABSOLUTE_PATH.
1307 * tradcpp.c (get_filename): Likewise.
1309 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1311 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1312 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1313 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1314 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1315 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1316 (cmphi_z_used): Don't use '@' for the output.
1317 (tstqi_z_used): Likewise.
1318 (cmpqi_z_used): Likewise.
1319 (one_cmplsi2): Likewise.
1321 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1323 * config/sh/sh.c (barrier_align): Recognize branch around far
1324 branch and redundant insn.
1326 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1328 * invoke.texi: Restore documentation of the drivers' switches -MD
1331 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1333 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1335 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1336 check-objc//%): Support parallel testing of multilibs.
1337 (TESTSUITEDIR): Set to testsuite by default, but override for
1339 (check-gcc, check-g++, check-g77, check-objc): Enter
1342 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1344 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1345 * sched-deps.c (deps_may_trap_p): Likewise.
1346 * basic-block.h: Remove a comment.
1347 * flow.c (PROP_POSTRELOAD): Remove.
1348 (update_life_info): Don't add it to prop_flags.
1349 (mark_set_1): Lose the code that was enabled by it.
1351 2001-01-11 Michael Hayes <mhayes@redhat.com>
1353 * flow.c (flow_call_edges_add): New.
1354 * basic_block.h (flow_call_edges_add): New.
1356 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1358 * reload1.c (move2add_note_store): Update reg_set_luid even if
1359 base reg remains the same.
1361 2001-01-10 Nick Clifton <nickc@redhat.com>
1363 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1364 machine_function structure to zero.
1365 Add prototypes for machine_status functions.
1367 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1369 * c-common.h (CTI_VOID_LIST): Remove.
1370 (void_list_node): Likewise.
1371 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1372 (void_list_node): New macro.
1373 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1374 * config/i386/i386.c (ix86_init_builtins): Likewise.
1375 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1377 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1379 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1380 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1382 * tradcpp.c: Include mkdeps.h.
1383 (deps, print_deps_phony_targets, deps_append, output_deps,
1384 init_dependency_output, output_deps): New.
1385 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1386 deps_output): Delete.
1387 (print_deps_missing_files): Rename deps_missing_files.
1388 (inhibit_output): Make global.
1389 (main): Delete inhibit_output, deps_stream, deps_target.
1390 Use mkdeps functionality in the same way as cpplib. Remove
1391 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1392 -M and -MM. Remove old handling of deps via deps_out, and
1393 old reading of environment variables.
1394 (get_filename): Update to use deps_add_dep.
1396 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1398 * output.h (make_function_rtl): Remove prototype.
1399 (make_decl_rtl): Likewise.
1400 * varasm.c (make_function_rtl): Remove.
1401 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1402 than from a third parameter.
1403 * tree.h (make_decl_rtl): Remove last parameter.
1404 * c-decl.c (builtin_function): Remove last argument in call to
1405 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1406 (start_function): Likewise.
1407 * except.c (call_get_eh_context): Likewise.
1408 * expr.c (emit_block_move): Likewise.
1409 (clear_storage): Likewise.
1410 * profile.c (output_func_start_profiler): Likewise.
1411 * toplev.c (rest_of_decl_compilation): Likewise.
1412 * objc/objc-act.c (create_builtin_decl): Likewise.
1413 (synth_module_prologue): Likewise.
1414 (generate_static_reference): Likewise.
1415 (build_selector_reference_decl): Likewise.
1416 (build_class_reference_decl): Likewise.
1417 (build_objc_string_decl): Likewise.
1418 (build_protocol_reference): Likewise.
1420 2001-01-10 Richard Henderson <rth@redhat.com>
1422 * hwint.h: Revert yesterday's change.
1424 2001-01-10 Nick Clifton <nickc@redhat.com>
1426 * function.h (save_machine_status): Delete.
1427 (restore_machine_status): Delete.
1428 Amend comment describing {init|mark|free}_machine_status.
1430 * function.c (save_machine_status): Delete.
1431 (restore_machine_status): Delete.
1432 Amend comment describing {init|mark|free}_machine_status.
1433 (push_function_context_to): Remove invocation of
1434 save_machine_status.
1435 (pop_function_context_from): Remove invocation of
1436 restore_machine_status.
1438 * emit-rtl.c (init_emit_once): Amend comment describing
1439 {init|mark|free}_machine_status.
1441 * tm.texi (Per-Function Data): New node. Describe the
1442 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1445 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1447 * cppinit.c (OPT_g): Remove.
1448 (cpp_handle_option): Update for removed -g3.
1449 (print_help): Update.
1450 * cpplib.h (struct cpp_options): Remove debug_output.
1451 * cppmain.c (setup_callbacks, cb_define): Update.
1452 * gcc.c (cpp_options): Translate -g3 to -dD.
1454 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1456 * config/i960/i960.md: Change modifier to + on the zero_extract
1457 pattern after the (rotate -2 reg) canonicalization pattern.
1459 2001-01-10 Richard Henderson <rth@redhat.com>
1461 * config/alpha/alpha.c (alpha_free_machine_status): New.
1462 (override_options): Install it.
1463 (alpha_mark_machine_status): Verify machine non-null.
1464 * config/i386/i386.c (ix86_free_machine_status): New.
1465 (override_options): Install it.
1466 (ix86_init_machine_status): Use xcalloc.
1467 (ix86_mark_machine_status): Verify machine non-null.
1468 * config/ia64/ia64.c (ia64_free_machine_status): New.
1469 (ia64_override_options): Install it.
1470 (ia64_mark_machine_status): Verify machine non-null.
1472 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1474 * function.c (instantiate_virtual_regs): Instantiate virtual
1475 registers found in CALL_INSN_FUNCTION_USAGE.
1477 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1479 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1480 equivalent to -ansi in disabling -Di386.
1482 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1484 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1486 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1488 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1490 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1492 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1494 * invoke.texi: Document that -fcond-mismatch isn't supported for
1497 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1499 * gcc.texi: Define macro gcctabopt.
1500 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1501 @command, @env and @option in some places where appropriate. Use
1502 @gcctabopt where appropriate. Put URLs and email addresses inside
1505 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1507 * gcc.c (cpp_options): Set MD file name from output
1508 filename, if specified.
1509 (suffix_subst): New static variable.
1510 (do_spec): Clear it.
1511 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1513 (give_switch): Handle suffix_subst.
1515 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1517 * invoke.texi: Fix another typo.
1519 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1521 * invoke.texi: Fix typo.
1523 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1525 * c-lang.c (lang_hooks): Update.
1526 (lang_decode_option): Remove.
1527 (lang_init_options): Rename c_init_options.
1528 * toplev.c (main): Use lang_hooks for lang_init_options
1529 and lang_decode_option.
1530 * toplev.h (lang_hooks): Add 2 new hooks.
1531 * tree.h: Remove lang_init_options and lang_decode_option.
1532 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1533 * cp/decl2.c: Similarly.
1534 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1535 (lang_hooks): Update.
1536 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1538 (lang_init_options): Rename ffe_init_options.
1539 (lang_hooks): Update.
1540 (lang_decode_option): Remove.
1541 * java/lang.c (lang_init_options): Rename java_init_options.
1542 (lang_decode_option): Rename java_decode_option.
1543 (lang_hooks): Update.
1544 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1545 (lang_decode_option): Rename objc_decode_option.
1546 (lang_hooks): Update.
1548 2001-01-09 Nick Clifton <nickc@redhat.com>
1550 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1551 (d30v_return_addr_rtx): Delete.
1552 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1553 cfun->machine structure.
1554 (struct machine_function): Move to d30v.h
1555 (d30v_save_machine_status): Delete.
1556 (d30v_restore_machine_status): Delete.
1557 (d30v_init_machine_status): New Function.
1558 (d30v_mark_machine_status): New Function.
1559 (d30v_free_machine_status): New Function.
1560 (d30v_init_expanders): Use new functions.
1561 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1562 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1563 d30v_return_addr_rtx.
1565 * config/d30v/d30v.h (struct_machine): Move here.
1566 Add eh_epilogue_sp_ofs field.
1568 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1569 field in cfun->machine structure.
1571 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1573 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1574 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1575 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1577 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1579 * objc/lang-options.h: Remove bogus reference to
1582 2001-01-09 Kazu Hirata <kazu@hxi.com>
1584 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1587 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1589 * reload.c (find_reloads_address): Check for eliminable registers
1590 when substituting a constant expression for a pseudo.
1592 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1594 * c-common.c (enum format_type): Add format_type_error.
1595 (decode_format_type): New function.
1596 (decl_attributes): Use it.
1597 (format_kind_info): Adjust comment.
1599 2001-01-09 David O'Brien <obrien@BSDi.com>
1601 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1602 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1604 * config/i386/gnu.h: Don't include required platform specific .h files,
1605 tm.h will do it instead.
1606 * config/i386/i386elf.h: Likewise.
1607 * config/i386/linux.h: Likewise.
1608 * config/i386/moss.h: Likewise.
1609 * config/mips/gnu.h: Likewise.
1611 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1613 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1614 (rs6000-ibm-aix3.[01]*): Likewise.
1615 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1616 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1617 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1618 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1619 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1620 (powerpc-*-eabiaix*): Likewise.
1621 (powerpc-*-eabisim*): Likewise.
1622 (powerpc-*-elf*): Likewise.
1623 (powerpc-*-eabi*): Likewise.
1624 (powerpc-*-rtems*): Likewise.
1625 (powerpc-*-linux*libc1): Likewise.
1626 (powerpc-*-linux*): Likewise.
1627 (powerpc-wrs-vxworks*): Likewise.
1628 (powerpcle-wrs-vxworks*): Likewise.
1629 (powerpcle-*-sysv*): Likewise.
1630 (powerpcle-*-elf*): Likewise.
1631 (powerpcle-*-eabisim*): Likewise.
1632 (powerpcle-*-eabi*): Likewise.
1633 (powerpcle-*-solaris2*): Likewise.
1634 * config/rs6000/aix31.h: Delete includes.
1635 * config/rs6000/aix3newas.h: Likewise.
1636 * config/rs6000/aix41.h: Likewise.
1637 * config/rs6000/aix43.h: Likewise.
1638 * config/rs6000/beos.h: Likewise.
1639 * config/rs6000/rtems.h: Likewise.
1640 * config/rs6000/sysv4.h: Likewise.
1642 2001-01-09 Kazu Hirata <kazu@hxi.com>
1644 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1645 Change an argument mode of machine_mode to shift_mode of
1646 shift_mode. Remove an extra error check.
1647 (emit_a_shift): Adopt to the new calling prototype of
1649 (function_prologue): Fix code for a monitor
1650 function. Support H8/S.
1651 (function_epilogue): Do not output pop for a monitor function.
1653 2001-01-09 Nick Clifton <nickc@redhat.com>
1655 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1656 (setup_incoming_varargs): Use sysv_varargs_p field of the
1657 cfun->machine structure.
1658 (struct machine_function): Move to rs6000.h
1659 (rs6000_save_machine_status): Delete.
1660 (rs6000_restore_machine_status): Delete.
1661 (rs6000_init_machine_status): New Function.
1662 (rs6000_free_machine_status): New Function.
1663 (rs6000_init_expanders): Use new functions.
1665 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1667 (struct machine_function): Move here.
1669 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1670 sysv_varargs_p field of the cfun->machine structure.
1672 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1674 (rs6000_restore_machine_status): Remove prototype.
1676 2001-01-09 Richard Henderson <rth@redhat.com>
1678 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1679 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1680 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1681 (sched_analyze_2, sched_analyze_insn): Likewise.
1682 (sched_analyze, init_deps): Likewise.
1683 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1684 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1685 (compute_block_backward_dependences): Update propagate_deps call.
1687 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1689 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1691 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1693 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1694 (cpp_handle_option): Handle them.
1695 (cpp_post_options): Ensure one of -M or -MM is specified with
1696 any other -M? option.
1697 (init_dependency_output): Suppress output with -MG.
1699 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1702 * invoke.texi: Update.
1704 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1706 * sh.md (reload_outsf): Generate recognizable patterns for
1709 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1711 * c-lang.c (lang_hooks): Update.
1712 (lang_init): Rename c_init.
1713 (lang_finish): Remove.
1714 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1716 * toplev.h (lang_hooks): Add init () and finish ().
1717 * tree.h (lang_init, lang_finish): Remove.
1718 * cp/tree.h (lang_init, lang_finish): Remove.
1719 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1720 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1722 (lang_init, lang_finish): Remove.
1723 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1724 (lang_hooks): Update.
1725 * java/lang.c (lang_init): Rename java_init.
1726 (lang_finish): Remove.
1727 (lang_hooks): Update.
1728 * objc/objc-act.c (lang_init): Rename objc_init.
1729 (lang_finish): Remove.
1730 (lang_hoooks): Update.
1732 20001-01-09 Graham Stott <grahams@redhat.com>
1734 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1735 after `ptr` is initialised.
1737 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1739 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1740 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1741 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1742 stack adjusts, instead of r3.
1744 2001-01-09 Michael Hayes <mhayes@redhat.com>
1746 * flow.c (flow_loop_scan): Break out of ...
1747 (flow_loops_find) ... here.
1748 * basic-block.h (flow_loop_scan): New.
1749 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1750 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1752 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1754 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1756 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1757 realloc()ing macro_buffer.
1759 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1760 if it's wider than long and the target's long is wider than the
1763 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1765 Remove support for using UWIN as a host machine.
1766 * configure.in: Issue an error message.
1767 * configure: Regenerated.
1768 * config.gcc: Remove xm_* UWIN configury.
1769 * config/i386/xm-uwin.h: Remove.
1771 2001-01-08 Nick Clifton <nickc@redhat.com>
1773 * config/v850/v850.c (ra_rtx): Delete.
1774 (v850_save_machine_status): Delete.
1775 (v850_restore_machine_status): Delete.
1776 (v850_init_machine_status): New function.
1777 (v850_mark_machine_status): New function.
1778 (v850_free_machine_status): New function.
1779 (v850_return_addr): Use ra_rtx field in machine structure.
1780 (v850_init_expanders): Use new functions.
1782 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1783 * config/v850/v850.c: Change arguments to v850_output+* functions
1784 to take a const char *, to avoid compile time warning.
1785 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1786 (USER_LABEL_PREFIX): Redefine.
1788 2000-01-08 Jim Wilson <wilson@redhat.com>
1790 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1791 1 to unsigned HOST_WIDE_INT before left shift.
1793 2001-01-08 Nick Clifton <nickc@redhat.com>
1795 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1796 the machine structure has been allocated.
1797 (arm_free_machine_status): New function: Free the machine
1798 specific function structure.
1800 2001-01-08 Richard Henderson <rth@redhat.com>
1802 * jump.c (simplejump_p): Revert last change.
1804 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1806 * cppinit.c (init): Rename init_library.
1807 (cpp_create_reader): Update.
1808 * gcc.c (cpp_options): If -o given, use it as the target of
1811 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1813 * arm.c (arm_arch5e): New variable.
1814 (all_cores): XScale is a 5TE device.
1815 (arm_override_options): Set arm_arch5e.
1816 (arm_init_builtins): __builtin_prefetch is in arch5e.
1817 * arm.h (arm_arch5e): Declare it.
1819 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1821 * arm.md (define_constants): Add defines for UNSPEC and
1822 UNSPEC_VOLATILE insns. Update all users.
1823 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1824 * arm.c (multi_register_push, note_invalid_constants)
1825 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1826 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1827 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1829 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1831 * jump.c (jump_optimize_1): Use reversed_comparison_code
1832 instead of can_reverse_comparison_p.
1833 (jump_back_p): Likewise.
1834 (invert_exp_1): Likewise.
1835 (thread_jumps): Likewise.
1836 * simplify-rtx.c (simplify_unary_operation): Likewise.
1837 (simplify_ternary_operation): Likewise.
1838 * cse.c (find_comparison_args): Convert to use
1839 can_reverse_comparison_p.
1840 (record_jump_equiv): Likewise.
1842 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1844 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1845 (EPILOGUE_USES): Define.
1846 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1847 automatically stack the LR if it isn't live.
1849 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1851 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1854 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1856 * ggc-page.c (max_alignment): New structure.
1857 (MAX_ALIGNMENT): New macro.
1858 (init_ggc): Use it to round up the sizes in the
1859 extra_order_size_table.
1861 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1863 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1866 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1868 * builtins.def (BUILT_IN_FPRINTF): New entry.
1870 * c-common.c (c_expand_builtin_fprintf): New function.
1871 (init_function_format_info): Handle __builtin_fprintf.
1872 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1873 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1875 * c-decl.c (duplicate_decls): Adjust comment.
1877 * extend.texi (fprintf): Document new builtin.
1879 2001-01-07 Richard Henderson <rth@redhat.com>
1881 * jump.c (simplejump_p): Recognize any single_set jump
1884 2001-01-07 Richard Henderson <rth@redhat.com>
1886 * configure.in (slibdir): Accept an --with-slibdir option.
1887 Use "test" not "[" in configure. Default to $(libdir).
1889 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1891 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1892 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1893 (SHLIB_LINK): Create links for the soname.
1894 * config/mips/t-iris6: Likewise.
1895 * config/sparc/t-slibgcc: Likewise.
1896 * config/sparc/t-slibgcc-sld: Likewise.
1898 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1900 * config/i386/i386.c (constant_call_address_operand): Accept
1901 (const (plus (symbol_ref) (const_int))).
1902 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1903 constant_call_address_operand.
1905 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1907 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1908 and LONG_LONG_TYPE_SIZE > 32.
1910 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1912 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1913 the previous change.
1915 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1917 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1919 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1920 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1921 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1924 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1926 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1928 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1930 * c-lang.c (c_post_options): Call cpp_post_options.
1931 * objc/objc-act.c (objc_post_options): Similarly.
1932 * cppmain.c (main): Similarly.
1933 * fix-header.c (read_scan_file): Similarly.
1934 * cppinit.c (cpp_start_read): Move option consistency checks
1935 to cpp_post_options. Don't call init_dependency_output.
1936 If needed, add default target and main file dependency.
1937 (OPT_MD, OPT_MMD): Remove.
1939 (cpp_handle_option): Update for OPT_* changes.
1940 (cpp_post_options): New.
1941 (init_dependency_output): Command line -MF overrides environment
1942 variables. Don't set default target etc. Suppress output
1943 if dependencies are going to stdout.
1944 (print_help): Update.
1945 * cpplib.h (cpp_post_options): New.
1946 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1948 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1950 * jump.c (comparison_dominates_p): Support unordered compares.
1952 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1954 * simplify-rtx.c (simplify_relational_operation): Always simplify
1955 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1958 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1960 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1961 (nonzero_bits): Likewise.
1962 (simplify_comparison): Likewise.
1963 (num_sign_bit_copies): Likewise; return more sane value depending
1964 on STORE_FLAG_VALUE.
1965 (known_cond): Do not assume EQ to be always true for equivalent
1968 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1970 * cse.c (fold_rtx): Handle unordered comparisons.
1972 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1974 * rtlanal.c (set_of_1): New static function.
1975 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1976 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1977 reg_set_last_last_regno): Remove.
1978 (set_of): New global function.
1979 (set_of_data): New structure.
1980 (reg_set_p, reg_set_last): Revamp for set_of.
1981 * rtl.h (set_of): New.
1983 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1985 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1986 * extend.texi: Document _Exit builtin.
1988 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1990 * (initialize, initialize_builtins,
1991 initialize_dependency_output, initialize_standard_includes):
1992 Rename s/initialize/init. Update.
1993 (init_dependency_output): Move to after
1994 cpp_handle_options, the correct location temporally at least.
1995 (opt_comp): Move next to init (), its caller. Fix prototype.
1996 (init): Make "initialized" local scope.
1997 (cpp_create_reader): Always call init ().
1998 (cpp_start_read): Update.
1999 (output_deps): New function, broken out of cpp_finish.
2000 (cpp_finish): Break out output_deps.
2002 2001-01-07 Richard Henderson <rth@redhat.com>
2004 * collect2.c (COFF specific stuff): Revert 12-06 patch
2005 to prototype system functions.
2007 2001-01-07 Michael Hayes <mhayes@redhat.com>
2009 * hard-reg-set.h: Add multiple include guard.
2010 * basic-block.h (struct loop): Add `sink' field.
2011 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2012 (emit_iv_add_mult): Delete.
2013 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2014 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2015 (unroll_loop): Remove end_insert_before argument.
2016 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2017 (maybe_eliminate_biv_1): Likewise.
2018 (emit_iv_add_mult): Delete.
2019 (gen_add_mult, loop_regs_update): New.
2020 (loop_insn_emit_after, loop_insn_emit_before): New.
2021 (loop_insn_sink, loop_insn_sink_or_swim): New.
2022 (emit_iv_add_mult): Delete.
2023 (scan_loop): Set loop->sink.
2024 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2025 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2026 (maybe_eliminate_biv_1): Likewise.
2027 (maybe_eliminate_biv_1): Add basic block argument.
2028 * unroll.c (unroll_loop): Remove end_insert_before argument.
2029 (find_splittable_regs): Likewise.
2030 (find_splittable_regs): Use loop_insn_sink and its ilk.
2031 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2033 2001-01-07 Michael Hayes <mhayes@redhat.com>
2035 * loop.h (loop_insn_hoist): New prototype.
2036 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2037 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2038 (check_dbra_loop, load_mems): Likewise.
2039 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2040 (find_splittable_givs): Likewise.
2042 2001-01-07 Michael Hayes <mhayes@redhat.com>
2044 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2046 2001-01-07 Richard Henderson <rth@redhat.com>
2048 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2050 2001-01-07 Richard Henderson <rth@redhat.com>
2052 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2053 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2054 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2055 variant that handles a shared libgcc.
2056 (process_command): Always validate -{static,shared}-libgcc.
2057 (do_spec_1): New 'M' case.
2058 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2060 2001-01-07 Richard Henderson <rth@redhat.com>
2062 * Makefile.in (slibdir): New variable.
2063 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2064 (installdirs): Create slibdir.
2065 (install-libgcc, install-multilib): Defer to libgcc.mk.
2066 * configure.in (slibdir): Substitute.
2067 * mklibgcc.in (install): New target.
2069 * config/t-linux (SHLIB_LINK): Create links for the soname.
2070 (SHLIB_INSTALL): New.
2071 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2072 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2073 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2074 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2075 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2077 2001-01-07 Richard Henderson <rth@redhat.com>
2079 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2080 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2081 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2083 2001-01-07 Michael Hayes <mhayes@redhat.com>
2085 * loop.c (count_loop_regs_set): Delete.
2086 (load_mems_and_recount_loop_regs_set): Delete.
2087 (loop_regs_scan): Merge common code from count_loop_regs_set,
2088 scan_loop, and load_mems_and_recount_loop_regs_set.
2089 (scan_loop): Call load_mems directly and loop_regs_scan
2090 again if new registers created.
2092 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2094 * toplev.c (main): Call the front-end specific post_options
2095 hook if one is given.
2096 * toplev.h (struct_lang_hooks, lang_hooks): New.
2097 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2098 for the C front end.
2099 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2100 lang_hooks for the C++ front end.
2101 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2102 lang_hooks for the ObjC front end.
2103 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2104 * java/lang.c (lang_hooks): Hooks for the Java front end.
2106 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2108 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2109 for verbose DWARF[2] debugging.
2110 (cb_define, cb_undef): The new callbacks.
2111 * toplev.h (debug_define, debug_undef): Make const correct.
2112 * toplev.c (debug_define, debug_undef): Similarly. Do not
2113 perform the verbosity tests here anymore.
2115 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2117 * reload.c (subst_reloads): Take INSN argument. When
2118 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2119 * reload.h (subst_reloads): Adjust prototype.
2120 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2121 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2122 present in JUMP_INSNs and copy them to JUMP_LABEL.
2123 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2124 JUMP_INSNs and insns with REG_LABELs that are followed by
2125 JUMP_INSNs with the same REG_LABEL.
2126 * sched-rgn.c (is_cfg_nonregular): Likewise.
2127 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2129 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2131 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2133 2001-01-06 Richard Henderson <rth@redhat.com>
2135 * loop.c (scan_loop): Use xcalloc for the regs array.
2136 (load_mems_and_recount_loop_regs_set): Zero the new memory
2137 received from xrealloc.
2139 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2141 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2143 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2145 * integrate.c (copy_rtx_and_substitute): When copying
2146 an ignored return value, strip REG_FUNCTION_VALUE_P.
2148 2001-01-06 Michael Hayes <mhayes@redhat.com>
2150 * loop.c (debug_biv, debug_giv): New.
2151 (loop_biv_dump): Break out from ...
2152 (record_biv): ... here.
2153 (loop_giv_dump): Break out from ...
2154 (record_giv): ... here.
2155 (loop_bivs_check): Use print_simple_rtl.
2156 * unroll.c (loop_iterations): Use print_simple_rtl.
2158 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2160 * pa.md (return, return_internal): Modify patterns to prevent regrename
2161 mucking with the return pointer.
2163 2001-01-05 Richard Henderson <rth@redhat.com>
2165 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2167 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2169 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2170 version supplied by Matteo Frigo.
2172 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2174 * cpp.texi: Update for -MQ.
2175 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2176 (cpp_cleanup): Always free pfile->deps.
2177 (initialize_dependency_output): Don't create pfile->deps.
2178 (cpp_handle_option): Similarly.
2180 * gcc.c (cpp_options): Handle -MQ.
2181 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2182 * mkdeps.c (base_name): Remove.
2183 (deps_init): Don't allocate vector space until it's needed.
2184 (deps_free): Only free vectors if allocated.
2185 (deps_add_target, deps_add_dep): Update for initial allocation.
2186 (deps_add_default_target): Don't strip to the base_name.
2188 2001-01-05 DJ Delorie <dj@redhat.com>
2190 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2191 (INIT_EXPANDERS): Define.
2193 * config/v850/v850.c (struct machine_function): Define.
2194 (v850_save_machine_status): New function.
2195 (v850_restore_machine_status): New function.
2196 (v850_return_addr): New function.
2197 (v850_init_expanders): New function.
2199 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2200 and v850_init_expanders.
2202 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2204 * cpplib.h (struct cpp_reader): Add help_only field.
2205 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2206 (cpp_handle_option): Set pfile->help_only if we see -h,
2207 --help, -target-help, or --version. Print version string but
2208 do not set help_only if we see -v or -version. Make text
2209 printed by -v match that printed by (-)-version.
2211 * cppmain.c (main): Exit after option parsing if
2212 pfile->help_only is true.
2214 * toplev.c (independent_decode_option): Call print_version,
2215 then exit, if we see --version (but not -version).
2216 (print_version): Split lengthy message into two lines.
2218 2001-01-05 Nick Clifton <nickc@redhat.com>
2220 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2221 temporary string for initialisation before calling ggc_alloc_string.
2223 2001-01-06 Michael Hayes <mhayes@redhat.com>
2225 * rtl.h (print_simple_rtl): New.
2226 * print-rtl.c (print_simple_rtl): New.
2228 (print_rtx): Disable printing of flags and modes, etc.,
2229 if `flag_simple` nonzero.
2231 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2233 * function.c (fixup_var_refs): Use push_to_full_sequence where
2236 2001-01-05 Michael Meissner <meissner@redhat.com>
2238 * flags.h (flag_reorder_blocks): Add declaration.
2239 (flag_rename_block): Ditto.
2241 2001-01-05 DJ Delorie <dj@redhat.com>
2243 * function.c (reorder_blocks): Make sure the flags are all reset
2244 before using them to mark blocks, else a second invocation will
2245 corrupt the block chain.
2246 (reorder_blocks_0): New, resets the flags.
2248 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2250 * cse.c (find_comparison_args): Stop if the argument is known to
2253 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2255 * config/sh/sh.md (movdf): When splitting load into pair of
2256 registers, don't clobber the register used in the address too
2259 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2261 * varasm.c (mark_constant_pool): Improve initial comments.
2262 (mark_constants): Move marking of constants to mark_constant.
2263 (mark_constant): New function to recursively mark all constants
2264 referred to by a constant.
2266 2001-01-05 Catherine Moore <clm@redhat.com>
2268 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2270 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2272 * cp/lang-options.h: Bring comment in line with reality.
2273 * f/lang-options.h: Likewise.
2274 * java/lang-options.h: Likewise.
2275 * objc/lang-options.h: Likewise.
2276 * ch/lang-options.h: Likewise.
2277 * f/g77.texi: And update the manual.
2279 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2280 Denis Chertykov <denisc@overta.ru>
2282 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2283 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2284 * config/avr/avr.md (all peepholes that request a scratch register):
2285 Call it, FAIL the peephole if not safe (in interrupt functions).
2287 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2289 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2291 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2293 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2295 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2296 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2297 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2298 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2299 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2301 * extend.texi: Document these builtins.
2303 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2305 * c-common.c (lang_get_alias_set): Say we know nothing of
2306 VECTOR_TYPE aliasing.
2308 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2310 2001-01-05 Bruce Korb <bkorb@gnu.org>
2312 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2313 their x* equivalent versions for atexit-less systems
2314 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2315 systems (or any other system any more).
2317 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2319 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2320 output operands. Use arm_hard_register_operand for operand 4.
2321 (stmsi_postinc): Similarly.
2322 (ldmsi): Use arm_hard_register_operand for opernand 2.
2324 * arm.c (arm_hard_register_operand): New function.
2325 * arm-protos.h (arm_hard_register_operand): Prototype it.
2327 * arm.h (HARD_REGNO_RENAME_OK): Define.
2329 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2331 * simplify-rtx.c (cfc_args): add "unordered" field.
2332 (check_fold_consts): Set unordered field.
2333 (simplify_relational_operation): Simplify the unordered
2336 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2339 * emit-rtl.c (try_split): Fix code to mark labels.
2340 * jump.c (mark_jump_label): Make global.
2341 * rtl.h (mark_jump_label): Declare.
2343 * predict.c (estimate_probability): Handle unordred comparisons.
2345 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2347 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2348 * cppinit.c (initialize_dependency_output): Update.
2349 (cpp_finish): Output dummy targets for -MP.
2351 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2352 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2353 * gcc.c (cpp_options): Update to handle -MP.
2354 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2355 to quote only the default target.
2356 (deps_phony_targets): Insert a preceding newline. Rename from
2357 deps_dummy_targets for consistency.
2360 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2362 * calls.c (emit_library_call_value_1): Support
2363 INIT_CUMULATIVE_LIBCALL_ARGS.
2364 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2366 2001-01-04 Richard Henderson <rth@redhat.com>
2368 * c-decl.c (finish_struct): Detect flexible array members
2369 used in an inappropriate context.
2370 * c-typeck.c (really_start_incremental_init): Special case
2371 constructor_max_index for zero length arrays.
2372 (pop_init_level): Allow initialization of flexible array
2373 members. Deprecate initialization of zero length arrays.
2374 Don't issue missing initializer warning for flexible array
2375 members or zero length arrays.
2376 (process_init_element): Don't dereference null DECL_SIZE.
2377 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2378 Don't abort for empty constructors. Use size_binop
2379 (output_constructor): Add commentary regarding zero length
2380 array futures. Abort if we try to initialize an array of
2381 unspecified length with a non-empty constructor in the middle
2384 * extend.texi (Zero Length): Update and clarify documentation
2385 on static initialization.
2387 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2389 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2390 with more than 32767 words of local storage.
2392 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2394 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2395 for 'abs', 'labs', and 'fabs'.
2396 (c4x_expand_builtin): Likewise.
2397 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2399 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2401 * config/sh/sh.md (prget, prset): New insn types.
2402 (return delay slot): Dont' allow prset.
2403 (call, sfunc delay slot): Don't allow prget.
2404 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2405 for prset and prget.
2407 2001-01-05 Michael Hayes <mhayes@redhat.com>
2409 * loop.h (struct loop_reg): New.
2410 (struct loop_regs): Change to use array of `struct loop_reg'.
2411 * loop.c: Replace assortment of varrays with single regs array.
2412 (count_one_set): Delete may_not_move array argument
2413 and use regs array instead. All caller's changed.
2414 (count_loop_regs_set): Delete may_not_move and single_usage
2415 arguments and use regs array instead. All caller's changed.
2416 (find_single_use_in_loop): Replace usage array argument with pointer
2417 to regs structure. All caller's changed.
2418 (loop_optimize): Delete `moved_once' array.
2420 2001-01-05 Michael Hayes <mhayes@redhat.com>
2422 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2423 Use it instead of loop_info->has_call for scanning loop mems.
2424 (check_dbra_loop): Replace loop_info->has_call test with
2425 loop_info->has_nonconst_call.
2427 2000-01-04 Matthew Hiller <hiller@redhat.com>
2429 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2432 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2434 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2435 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2437 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2439 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2440 (flag_short_double, flag_short_wchar): Define.
2441 (c_common_nodes_and_builtins): Create many tree nodes shared
2442 between C and C++ here instead of in cp/decl.c and ...
2443 * c-decl.c (init_decl_processing): ... here.
2444 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2445 (flag_short_double, flag_short_wchar): Don't define.
2446 (record_builtin_type): New function.
2447 (build_void_list_node): New function.
2448 * c-common.h (flag_short_double, flag_short_wchar,
2449 record_builtin_type, build_void_list_node): Declare.
2451 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2453 * integrate.c (expand_inline_function): Don't put a virtual
2454 register into the reg map.
2456 * function.c (fixup_var_refs_1): If force_operand didn't put
2457 the address into the target, move it there.
2459 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2461 Special-case tree_decl/tree_list allocations.
2462 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2463 (OBJECT_SIZE): New macro.
2464 (NUM_EXTRA_ORDER): Likewise.
2465 (extra_order_size_table): New variable.
2466 (NUM_ORDERS): New macro.
2467 (objects_per_page_table): New variable.
2468 (object_size_table): New variable.
2469 (G.pages): Use NUM_ORDERS to bound the array.
2470 (G.page_tails): Likewise.
2471 (DIV_ROUND_UP): Remove.
2472 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2473 (alloc_page): Use OBJECT_SIZE.
2474 (size_lookup): Don't make it const.
2475 (ggc_alloc): Use OBJECT_SIZE.
2476 (ggc_set_mark): Likewise.
2477 (ggc_get_size): Likewise.
2478 (init_ggc): Set up the object_size_table, objects_per_page_table,
2479 and adjust size_lookup.
2480 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2481 (ggc_pop_context): Use NUM_ORDERS.
2482 (clear_marks): Likewise.
2483 (sweep_pages): Likewise.
2484 (poison_pages): Likewise.
2485 (ggc_print_statistics): Use OBJECT_SIZE.
2487 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2489 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2490 Only call array_size_for_constructor if last field and array type
2491 with no upper bound.
2493 2001-01-04 Philip Blundell <philb@gnu.org>
2495 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2496 from bit 31 downwards, if this requires no more insns.
2497 (count_insns_for_constant): New helper function for above.
2499 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2501 * gencodes.c (output_predicate_decls): Remove empty initializer.
2503 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2505 * tree.c (copy_node): Remove documentation about obstacks.
2506 (buidl1): Check that nobody tries to build 2-argument nodes this
2509 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2511 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2514 * gencodes.c (output_predicate_decls): Fill empty initializer
2517 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2519 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2520 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2522 (do_include): Handle missing headers like cpp0.
2523 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2524 paths with first include pathname. Don't strcat to uninitialized
2527 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2529 * regrename.c (regrename_optimize): Don't rename from frame pointer
2530 if frame_pointer_needed.
2531 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2532 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2533 (ia64_reorg): Use it instead of scheduling if ! optimize.
2534 (errata_emit_nops): Properly call asm_noperands.
2535 (ia64_sched_reorder): Finish cycle if we see an asm.
2536 (ia64_variable_issue): Clear scheduling state after asms.
2538 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2540 * cpp.texi: Update for -MT.
2541 * cppinit.c (initialize_dependency_output): Add a default
2542 target if none has been given already.
2543 (no_tgt, OPT_MT): New.
2544 (cpp_handle_option): Handle -MT. Update -M etc.
2545 * cpplib.h (struct cpp_options): Remove deps_target.
2546 * gcc.c (cpp_options): Handle -MT.
2547 * mkdeps.c (struct deps): Move from mkdeps.h.
2548 (deps_calc_target): Rename deps_add_default_target. Add a
2549 default target if none has been specified already.
2550 * mkdeps.h (struct deps): Move to mkdeps.c.
2551 (deps_calc_target): Rename deps_add_default_target.
2553 2000-01-03 Richard Henderson <rth@redhat.com>
2555 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2557 * c-typeck.c (push_init_level): Move checks for flexible array
2558 members and zero length arrays ...
2559 (pop_init_level): ... here. Silently discard empty initializations.
2561 * varasm.c (output_constructor): Update for sizeof change to
2564 * extend.texi (Zero Length): Clarify semantics.
2566 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2568 * configure.in (tm.h): Include isns-codes.h last.
2569 * configure: Rebuilt.
2571 2001-01-03 Richard Henderson <rth@redhat.com>
2573 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2574 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2576 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2578 * tradcpp.c (main): Make sure finclude() is called with a valid
2579 indepth value while handling -include.
2581 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2583 * gencodes.c (output_predicate_decls): New function.
2585 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2586 even if it is not the first time machmode.h is #included.
2587 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2588 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2589 * gcc.texi (Copyright): Added 2001.
2591 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2593 * c-common.c (c_common_lang_init): New function. Warn if format
2594 warning options which only have effects when used with -Wformat
2595 are used without -Wformat.
2596 * c-common.h (c_common_lang_init): Declare.
2597 * c-lang.c (lang_init): Call c_common_lang_init.
2598 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2600 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2602 * configure.in: Check for the mktemp command.
2603 * configure: Regenerate.
2604 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2605 $TEMP. Create temporary files with mktemp, if available at
2606 configure time; otherwise use set -C. Remove temporary files
2609 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2611 * configure.in: Require at least texinfo 4.0. Check for whether
2612 Pod::Man is sufficiently recent to regenerate GCC manpages.
2613 * configure: Regenerate.
2614 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2616 (GENERATED_MANPAGES): Define.
2617 (generated-manpages): New target. Depend on cpp.1 as well as
2619 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2620 configure to generated-manpages or empty) rather than on the
2621 manpages directly. Remove execute permission from installed
2622 gcov.1 as well as cpp.1.
2623 * cpp.1, gcov.1: Regenerate.
2625 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2627 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2628 tree_low_cst. Allow using cmpstrsi in more cases.
2630 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2632 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2635 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2637 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2638 * Makefile.in (HOST_CFLAGS): Mention build-make.
2640 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2642 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2645 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2647 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2650 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2653 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2654 reg_base_value and reg_known_value arrays.
2655 (init_alias_analysis): Add more cases to detect known values.
2656 * sched-deps.c (deps_may_trap_p): New function.
2657 (sched_analyze_2): Use it.
2659 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2661 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2662 don't discard an ASHIFTRT if we're shifting in a wider mode.
2664 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2666 * toplev.c (rest_of_compilation): Don't print basic block information
2667 when CFG isn't up to date.
2669 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2671 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2672 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2673 (UNALIGNED_SHORT_ASM_OP): Define.
2674 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2676 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2678 * fold-const.c (fold_convert): Fix typo.
2680 2001-01-02 Richard Henderson <rth@redhat.com>
2682 * c-common.h (ASM_INPUT_P): New.
2683 * c-parse.in (asm): Set it when needed.
2684 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2685 existance of an operand.
2687 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2689 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2690 (dwarf2out_frame_debug_expr): Likewise.
2691 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2693 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2695 * i386.c (ix86_split_to_parts): Return number of part required;
2697 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2699 (ix86_split_long_move): Use number of part returned
2700 by ix86_split_to_parts
2701 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2703 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2704 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2705 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2706 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2707 (ALIGN_MODE_128): Add TFmode.
2708 (IS_STACK_MODE): Likewise.
2709 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2710 (HARD_REGNO_OK): Support TFmodes.
2711 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2712 * i386.md (scheduler definitions): Use memory operand to determine
2713 fst/fld instructions; use mode attribute to determine real mode of
2715 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2716 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2718 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2720 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2722 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2724 * expr.c (store_constructor_field): Update ALIGN before calling
2727 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2729 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2732 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2734 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2737 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2739 * c-decl.c (start_function): Don't warn on third parameter to main.
2741 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2743 * tsystem.h: Define HAVE_DECL_GETOPT.
2745 2001-01-02 Philip Blundell <pb@futuretv.com>
2747 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2750 2001-01-02 Richard Henderson <rth@redhat.com>
2752 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2754 2001-01-02 Andreas Jaeger <aj@suse.de>
2756 * c-decl.c (c_decode_option): Remove support of
2759 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2760 (W_options): Add -Wmissing-noreturn here.
2762 * flow.c: Define lang_missing_noreturn_ok_p.
2763 (check_function_return_warnings): Use it.
2765 * c-common.h: Declare lang_missing_noreturn_ok_p.
2767 * c-lang.c (c_missing_noreturn_ok_p): New function.
2768 (lang_init): Set lang_missing_noreturn_ok_p.
2770 * invoke.texi (Warning Options): Document this.
2772 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2774 * extend.texi (C++ Extensions): New node for C++ attributes;
2775 describe init_priority and com_interface.
2776 * invoke.texi: Remove -finit-priority as it now has zero effect.
2777 * install.texi: Fix xref syntax.
2778 * md.texi: Likewise.
2780 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2782 * config.gcc (sparc64-wrs-vxworks*): New case.
2783 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2785 * config/sparc/sparc.c (sparc_override_options): Do support different
2786 pointer and architecture size.
2787 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2788 (POINTERS_EXTEND_UNSIGNED): Define.
2789 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2790 (FUNCTION_MODE): Define to be Pmode.
2791 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2793 * function.c (expand_function_end): Properly handle DECL_RESULT
2794 and copy when ptr_mode != Pmode.
2795 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2797 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2799 * c-common.c (c_common_nodes_and_builtins): Set prototype
2800 parameters for __builtin_fputs, __builtin_fputc and
2801 __builtin_fwrite. Don't declare plain fputc as a builtin.
2803 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2805 * loop.c (add_label_notes): Increment the label usage count when
2806 a note is added to an insn which refers to a CODE_LABEL.
2807 * gcse.c (add_label_notes): Likewise.
2809 2001-01-01 Andreas Jaeger <aj@suse.de>
2811 * loop.c (scan_loop): Use xmalloc to allocate movables.
2813 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2815 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2816 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2817 * reload1.c (REGISTER_MOVE_COST): Likewise.
2818 * regclass.c (REGISTER_MOVE_COST): Likewise.
2819 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2820 dimension. Adjust all users.
2821 (init_reg_sets_1): Iterate on all modes.
2822 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2823 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2824 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2825 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2826 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2827 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2828 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2829 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2830 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2831 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2832 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2833 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2834 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2835 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2836 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2837 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2838 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2839 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2840 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2841 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2842 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2843 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2844 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2845 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2846 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2847 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2848 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2850 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2852 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2853 arg VARIES_P. Call it with extra arg.
2854 (true_dependence): Likewise.
2855 * rtl.h (rtx_addr_can_trap_p): Declare.
2856 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2858 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2859 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2860 pic offset table register if it's zero. All callers changed.
2861 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2863 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2865 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2866 STRING_POOL_ADDRESS_P.
2868 * config/sparc/sparc.c (input_operand): Properly test for short op.
2870 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2871 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2872 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2873 * config/sparc/elf.h: No longer include sol2.h.
2874 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2875 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2877 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2879 2001-01-01 Michael Hayes <mhayes@redhat.com>
2881 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2882 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2883 (record_initial): Likewise.
2884 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2885 (remap_split_bivs): Likewise.
2887 2001-01-01 Michael Hayes <mhayes@redhat.com>
2889 * loop.c (loop_ivs_free): New function.
2890 (strength_reduce): Break out from...
2892 2001-01-01 Michael Hayes <mhayes@redhat.com>
2894 * loop.h (struct iv): New.
2895 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2896 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2897 'reg_biv_class' fields with 'regs' and 'n_regs'.
2898 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2899 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2900 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2902 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2904 * resource.c (mark_referenced_resources): Abort() before
2905 attempting to mark a pseudo register.
2906 (mark_set_resources): Likewise.
2908 2001-01-01 Michael Hayes <mhayes@redhat.com>
2910 * loop.h (REG_IV_CLASS): New accessor macro.
2911 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2912 * unroll.c (REG_IV_CLASS): Likewise.
2914 See ChangeLog.4 for earlier changes.
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