| blob | af2427f945b2b922fc95f1623b0c57f529473109 |
1 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5 * Makefile.in: Remove all dependencies on defaults.h.
6 * builtins.c: Don't include defaults.h.
7 * c-common.c: Likewise.
8 * c-decl.c: Likewise.
9 * c-pragma.c: Likewise.
10 * c-typeck.c: Likewise.
11 * combine.c: Likewise.
12 * i386.c: Likewise.
13 * frame-ia64.c: Likewise.
14 * cppexp.c: Likewise.
15 * crtstuff.c: Likewise.
16 * dbxout.c: Likewise.
17 * dwarf2out.c: Likewise.
18 * dwarfout.c: Likewise.
19 * emit-rtl.c: Likewise.
20 * except.c: Likewise.
21 * expr.c: Likewise.
22 * final.c: Likewise.
23 * frame-dwarf2.c: Likewise.
24 * libgcc2.c: Likewise.
25 * optabs.c: Likewise.
26 * profile.c: Likewise.
27 * sdbout.c: Likewise.
28 * toplev.c: Likewise.
29 * tradcif.y: Likewise.
30 * tree.c: Likewise.
31 * varasm.c: Likewise.
33 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
35 * builtins.c (expand_builtin_fputs): Use size_one_node when
36 transforming into fwrite.
38 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
40 * extend.texi (Attribute Syntax): New section.
42 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
44 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
45 they didn't need fixing.
47 2001-01-27 Janis Johnson <janis@us.ibm.com>
49 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
50 if appropriate.
51 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
52 to remove macro definitions that are duplicated from elfos.h.
54 2001-01-27 Richard Henderson <rth@redhat.com>
56 * config/i386/sco5gas.h: Move ...
57 * config/usegas.h: ... here.
58 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
60 2001-01-27 Jakub Jelinek <jakub@redhat.com>
62 * c-typeck.c (struct constructor_stack): Add range_stack member.
63 (really_start_incremental_init): Clear it.
64 (push_init_level): Save constructor_range_stack and clear it if
65 pushing explicit braces.
66 (pop_init_level): abort if constructor_range_stack is non-zero at
67 explicit closing brace. Restore saved constructor_range_stack if
68 not implicit.
70 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
72 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
73 into register was forced into memory.
75 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
77 * Makefile.in: Remove uses of + before $(MAKE).
79 2001-01-26 Richard Henderson <rth@redhat.com>
81 * stmt.c (cost_table): Remove.
82 (COST_TABLE, cost_table_initialized): New.
83 (estimate_case_costs): Use the later instead of the former.
84 (balance_case_nodes): Likewise.
86 2001-01-26 Richard Henderson <rth@redhat.com>
88 * alias.c (objects_must_conflict_p): Read-only slots may not
89 conflict despite having the same type.
91 2001-01-27 Michael Hayes <mhayes@redhat.com>
93 * loop.c (loop_giv_reduce_benefit): Copy mode size into
94 int variable.
95 (check_ext_dependant_givs): Initialise u_start_val and
96 u_end_val.
97 (load_mems): Make last_max_reg unsigned.
98 (try_swap_copy_prop): Use INSN_P and initialise set.
100 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
102 * README.AVR : Removed.
104 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
106 * pa-64.h (text_section): Remove declaration.
108 * pa.md (return_internal): Remove mode on PIC register use.
110 2001-01-25 lars brinkhoff <lars@nocrew.org>
112 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
113 ASM_CLOSE_PAREN): fix typos.
115 2001-01-25 Mark Mitchell <mark@codesourcery.com>
117 * acconfig.h: Define `const' to the empty string if neither
118 __STDC__ nor __cplusplus is defined.
119 * config.in: Regenerated.
121 2001-01-25 David Edelsohn <edelsohn@gnu.org>
123 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
124 * collect2.c (main): Delete importf. Add ".obj" file extension.
125 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
126 (aix_std_libs): Add additional AIX libraries to skip.
127 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
128 * config/rs6000/aix51.h: New file.
130 2001-01-25 Michael Hayes <mhayes@redhat.com>
132 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
133 (loop_insn_emit_before): No longer static.
134 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
135 (loop_givs_rescan, load_mems): Likewise.
136 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
137 (maybe_eliminate_biv_1):
138 (move_movables): Replace emit_call_insn_before with
139 loop_call_insn_hoist.
140 * loop.h (loop_insn_emit_before): Add.
141 * unroll.c (copy_loop_body): Replace emit_insn_before with
142 loop_insn_emit_before.
144 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
146 * diagnostic.c (fatal): Request preprocessed source.
148 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
150 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
151 olddecl has argument types and newdecl has none, use the argument
152 types from olddecl.
154 2001-01-24 Ulrich Drepper <drepper@redhat.com>
156 * dwarf2out.c (prefix_of): New function. Determine longest common
157 prefix of the two arguments. The units are whole path components.
158 (output_file_names): When adding a new directory find the one entry
159 with the longest common prefix already in the list. Artificially
160 generate entry if there is none for this prefix.
161 Fix test to check whether the zeroth directory entry is used.
163 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
165 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
166 Changed all callers. Take it into account when deciding if a
167 previously loaded value matches.
169 2001-01-24 Richard Henderson <rth@redhat.com>
171 * reload.c (find_reloads_subreg_address): Fail the substitution
172 if the resulting address is insufficiently aligned.
174 2001-01-24 DJ Delorie <dj@redhat.com>
176 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
177 check the original operand's mode also.
178 * simplify-rtx.c (simplify_ternary_operation): Ditto.
180 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
182 * c-parse.in (cast_expr): Move compound literals from here ...
183 (primary): ... to here. Use standard terminology "compound
184 literal" instead of "constructor expression".
186 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
188 * gcc.1, cpp.1: Regenerate.
190 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
192 * calls.c (emit_library_call_value_1): Memory slot for
193 pass-by-reference argument should have the mode of the argument,
194 not of the pointer to it.
196 2001-01-24 Tom Tromey <tromey@redhat.com>
198 * gcc.texi (G++ and GCC): Mention gcj manual.
199 (Standards): Link to section of manual mentioning gcj/Java
200 compatibility.
202 2001-01-24 Jakub Jelinek <jakub@redhat.com>
204 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
205 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
206 * tradcpp.c (main): Add -imacros or -include'd dependencies
207 for -M*.
208 * cpp.texi (-M, -MM): Document -M -include behaviour.
210 2001-01-24 Roger Collins <roger@ProProject.com>
212 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
214 2001-01-24 Will Cohen <wcohen@redhat.com>
216 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
217 whether registers are 32 bits or 64 bits in size.
219 2001-01-24 Ben Elliston <bje@redhat.com>
221 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
223 2001-01-24 Richard Henderson <rth@redhat.com>
225 * config/alpha/alpha.md (builtin_longjmp_internal): New.
226 (builtin_longjmp): Use it instead of emit_indirect_jump.
228 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
230 * bb-reorder.c (make_reorder_chain_1): Handle case where
231 jump edge goes to the same block as the fallthru edge.
233 2001-01-23 Jim Wilson <wilson@redhat.com>
235 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
236 * frame.h (__ia64_personality_v1): Add prototype.
237 * libgcc2.c (ia64_throw_helper): Change personality declaration to
238 prototype form. Add void * cast to first argument to personality
239 call.
240 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
241 (asctoe113): Likewise.
242 * config/ia64/frame-ia64.c: Include eh-common.h.
243 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
244 prototypes.
245 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
246 to dump parameter.
247 (itanium_split_issue): Add prototype.
248 (gen_nop_type): Ifdef out.
249 (find_best_packet): Initialize best_packet.
250 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
251 result.
252 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
253 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
254 (flushrs): Add explicit stop bit at end.
255 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
256 trailing \ to >.
258 2001-01-23 Chris Demetriou <cgd@broadcom.com>
260 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
261 of EH symbols.
262 * libgcc2.c (__terminate_func): Make variable static.
263 (__terminate_set_func): New function to set __terminate_func.
264 * libgcc2.h (__terminate_func_ptr): New typedef.
265 (__terminate_set_func): New function.
267 2001-01-23 Richard Henderson <rth@redhat.com>
269 * flow.c (init_propagate_block_info): Don't consider unchanging
270 memories for dead frame store elimination.
272 2001-01-23 Richard Henderson <rth@redhat.com>
274 * varasm.c (UNIQUE_SECTION): Move default implementation ...
275 * defaults.h: ... here.
277 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
279 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
281 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
283 * c-lex.c (lex_charconst): Fix typo: s/p/str.
285 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
287 * rs6000.h (rs6000_return_addr): Move prototype from here...
288 * rs6000-protos.h (rs6000_return_addr): ...to here.
289 (rs6000_init_expanders): Delete prototype.
291 2001-01-23 Nick Clifton <nickc@redhat.com>
293 * invoke.texi: Replace , with \, inside @gccoptlist macros.
294 (Spec Files): Document %B and %j and %. and %v3 and %M and
295 %{S*&T} spec switches.
297 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
299 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
301 2001-01-23 Chris Demetriou <cgd@sibyte.com>
302 Neil Booth <neil@daikokuya.demon.co.uk>
304 * cpperror.c: Merge handlers of PEDWARN and WARNING.
305 Have -Werror make pedantic warnings errors, like the
306 rest of GCC.
308 2001-01-23 Phil Edwards <pme@sources.redhat.com>
310 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
312 2001-01-23 Jakub Jelinek <jakub@redhat.com>
314 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
315 * integrate.c (expand_inline_function): Initialize them.
316 (subst_constants): If changing COMPARE so that both its arguments
317 will be VOIDmode and the comparison mode will be lost, note
318 compare_mode. Use the recorded compare_mode to optimize
319 IF_THEN_ELSE.
321 2001-01-23 Jason Merrill <jason@redhat.com>
323 * dwarf2out.c (new_die): Use xcalloc.
324 (output_die): Abort rather than emit a local reference to offset 0.
326 2001-01-17 Andrew Haley <aph@redhat.com>
328 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
329 of a saved register; return NULL instead.
330 (copy_reg): Take a pointer to a source register rather than a
331 frame_state.
332 (next_stack_level): Remember the address in the stack frame of all
333 saved registers.
334 Use the saved register pointer array as the source of the CFA.
335 (throw_helper): Rewrite. Unwind once rather than twice and keep
336 track of saved registers as we go.
338 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
340 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
341 * c4x.c (c4x_legitimize_reload_address): Remove.
342 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
343 reload address for ldp(k) insn.
345 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
347 * pa.md (return_internal): Add a USE of the PIC register to ensure
348 it is restored after each call.
349 (return expander): Corresponding changes.
351 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
353 * rs6000.h (INIT_EXPANDERS): Delete.
354 (RETURN_ADDR_RTX): Call rs6000_return_addr().
355 * rs6000.c (rs6000_override_options): Call *_machine_status from
356 here...
357 (rs6000_init_expanders): ...instead of here. Delete.
358 (rs6000_mark_machine_status): New function.
359 (rs6000_init_machine_status): Use xcalloc.
360 (rs6000_return_addr): Generate RTX for the return address.
361 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
362 (rs6000_stack_info): Use it.
364 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
366 * gthr-win32.h: Include errno.h to get a declaration for
367 EINVAL and _mingw.h if the target is mingw32.
369 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
371 * cpp.texi: Correct typos.
373 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
375 * explow.c (probe_stack_range): Ensure value passed to
376 stack_check_libfunc is ptr_mode, not Pmode.
378 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
380 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
381 case, don't use operand_subword to calculate a SUBREG that is
382 wider than a word.
384 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
386 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
388 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
389 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
390 valid. If not replace it by equivalent insns.
392 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
394 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
395 contains SYMBOL_REF, LABEL_REF and CONST_INT.
396 (c4x_U_constraint, symbolic_address_operand): Likewise.
397 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
398 memory.
399 (c4x_r11_set_p, c4x_check_laj_p): New functions.
400 * c4x-protos.h (c4x_check_laj_p): Add prototype.
401 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
402 anulling slot because of silicon bug.
403 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
405 2001-01-22 Alan Modra <alan@linuxcare.com.au>
407 * cppexp.c (parse_charconst): Change `mask' type to agree
408 with parse_escape.
410 2001-01-21 Richard Henderson <rth@redhat.com>
412 * config/i386/i386.c (ix86_asm_file_end): Disable putting
413 pic_label_name in a linkonce section.
415 2001-01-17 Philipp Thomas <pthomas@suse.de>
417 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
418 found in libintl.
419 * configure: Regenerate.
421 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
423 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
424 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
426 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
428 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
429 If REVERSE nonzero then condition code in X must be reversed.
430 (encode_section_info): Optimise if/else.
431 (avr_function_value): Fix formatting.
433 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
434 (difficult_branch): Likewise.
435 (rvbranch): Likewise.
436 (difficult_rvbranch): Likewise.
438 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
440 * config/avr/libgcc.S: Fix comment.
442 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
444 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
446 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
448 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
450 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
452 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
453 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
454 * configure, config.in: Regenerate.
455 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
456 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
457 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
458 (doprint.o): New rule.
460 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
462 * c-typeck.c (digest_init): Handle boolean types as scalars.
464 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
466 * stmt.c (expand_return): Don't return anything if size is zero.
467 Delete redundant assignment to BYTES.
468 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
470 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
472 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
473 the same as the default library function names.
474 * config/avr/avr.md: Document special characters after '%'.
475 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
476 knowing which of the call-used registers are really clobbered.
477 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
478 New. Both quotient and remainder from one libgcc.S call.
479 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
480 clobber as few registers as possible.
481 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
483 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
485 * cppmacro.c (funlike_invocation_p): Don't move back up to the
486 context of the top of the stack.
488 2001-01-20 Jakub Jelinek <jakub@redhat.com>
490 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
491 (fixup_var_refs_insns): ...here.
493 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
495 * function.c (fixup_var_refs_insns): Break up into
496 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
497 [loop over entire insn list], and fixup_var_refs_insns_with_hash
498 [loop over hash table entries].
499 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
500 fixup_var_refs_insns_with_hash, to match above changes.
502 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
504 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
505 (libgcc.a): Likewise.
506 (stmp-multilib): Likewise.
507 (STAGE2_FLAGS_TO_PASS): Likewise.
509 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
511 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
512 temporary if no_new_pseudos.
514 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
516 * cppinternals.texi: Update.
518 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
520 * arm.c (arm_init_builtins): Re-enable builtins.
522 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
524 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
525 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
526 element to be null, and always expect an EXPR_LIST.
527 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
528 * sched-deps.c (sched_analyze_1): Likewise.
529 * sched-rgn.c (check_live_1, update_live_1): Likewise.
531 * regclass.c (max_set_parallel): New variable.
532 (reg_scan): Take it into account in computation of max_parallel.
533 (reg_scan_mark_refs, case SET): Compute it.
535 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
536 args are REG.
537 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
538 * function.c (assign_parms): Use INTVAL for a CONST_INT.
540 2001-01-19 Jason Merrill <jason@redhat.com>
542 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
543 for the abstract instance of an inline function.
545 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
546 J"orn Rennecke <amylaar@redhat.com>
548 * reload1.c (move2add_note_store): Treat all registers directly or
549 indirectly derived from a base register as members of the same set
550 of values.
551 (reload_cse_move2add): Adjust accordingly. Take mode and offset
552 of base register into account.
554 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
556 * alias.c (find_base_value): Recognize TRUNCATE.
557 (record_set): In PLUS case, invalidate if other summand is also a
558 base value.
560 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
562 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
563 entry to be EXPR_LIST.
564 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
565 be an EXPR_LIST (but not null, which other code doesn't allow).
566 (note_stores): Properly handle PARALLEL in SET.
567 Recursively call for top-level PARALLEL.
568 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
569 * sched-rgn.c (check_live_1, update_live_1): Likewise.
571 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
573 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
575 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
576 not pfile->skipping (== 0).
578 2001-01-17 Nick Clifton <nickc@redhat.com>
580 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
581 machine_status.
583 2001-01-17 Jim Wilson <wilson@redhat.com>
585 * invoke.texi (IA-64 options): Improve.
587 2001-01-17 Tom Tromey <tromey@redhat.com>
589 * invoke.texi (Optimize Options): Use `{}' to around @samp
590 argument.
592 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
594 * invoke.texi (-fno-guess-branch-probability): New option.
596 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
598 * combine.c (try_combine): Don't set i3_subst_into_i2 for
599 case of making new double-word constant.
600 Revert last change: instead just test i3_subst_into_i2.
602 2001-01-17 Jakub Jelinek <jakub@redhat.com>
604 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
605 Use q constraints instead of r.
607 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
609 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
610 (machine_function): Define.
611 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
612 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
613 pa_free_machine_status): New functions.
614 (override_options): Set {init,mark,free}_machine_status to above.
615 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
616 PIC_OFFSET_TABLE_REGNUM_SAVED.
617 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
618 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
619 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
620 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
621 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
623 2001-01-15 DJ Delorie <dj@redhat.com>
625 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
626 (cpp.1): Ditto.
627 (gcc.1): Ditto.
629 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
631 * flow.c (propagate_on_insn): Make trying to delete a prologue
632 or epilogue insn an ICE, not a warning. Allow doing this if
633 the current function returns with stack pointer depressed.
635 * combine.c (try_combine): If i3_subst_into_i2, properly check for
636 I3 having more than one SET.
638 2001-01-16 Jim Wilson <wilson@redhat.com>
640 * invoke.texi: Document IA-64 options.
642 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
643 (fixup_errata): Delete TARGET_A_STEP use.
644 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
645 (TARGET_SWITCHES): Delete -ma-step option.
646 * config/ia64/ia64.md (all FP patterns): Delete %B0.
647 (movqicc_astep, movqi_internal_astep, movhicc_astep,
648 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
649 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
650 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
651 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
652 Delete.
653 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
654 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
655 cmovsi_internal): Delete ! TARGET_A_STEP check.
657 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
659 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
660 possibility to report bugs via postal mail. Change a URL and
661 merge in a nearly duplicate statement...
662 (Bug Reporting): ...from here.
663 (Service): Refer to the Bug Reporting section instead of
664 duplicating an URL.
665 (Contributing): Remove trivial explanations concerning snapshots.
667 2001-01-16 Alan Modra <alan@linuxcare.com.au>
669 * cppmain.c (general_init): Don't use ANSI prototype.
671 2001-01-16 Tom Tromey <tromey@redhat.com>
673 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
675 2001-01-16 Richard Henderson <rth@redhat.com>
677 * config/i386/i386.h: Fix comment typo.
678 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
679 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
681 2001-01-16 Phil Edwards <pme@sources.redhat.com>
683 * gcc.c: Revert previous -fsyntax-only-related change; move
684 to cp/g++spec.c.
686 2001-01-16 Jakub Jelinek <jakub@redhat.com>
688 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
689 inmode after checking GET_CODE (op).
691 2001-01-16 Richard Henderson <rth@redhat.com>
693 * flow.c (struct propagate_block_info): Add mem_set_list_len.
694 (MAX_MEM_SET_LIST_LEN): New.
695 (propagate_one_insn): Update mem_set_list_len.
696 (invalidate_mems_from_autoinc): Likewise.
697 (invalidate_mems_from_set): Likewise.
698 (mark_used_regs): Likewise.
699 (init_propagate_block_info): Likewise. Stop collecting memories
700 when we reach MAX_MEM_SET_LIST_LEN.
701 (mark_set_1): Likewise.
703 2001-01-16 Richard Henderson <rth@redhat.com>
705 * unroll.c (precondition_loop_p): Fail if no iteration
706 variable found.
708 2001-01-16 Phil Edwards <pme@sources.redhat.com>
710 * gcc.c: When -fsyntax-only is given, do not complain about
711 unused libraries.
713 2001-01-15 Richard Henderson <rth@redhat.com>
715 * config/i386/i386.c (asm_output_function_prefix): Remove.
716 (ix86_asm_file_end): New.
717 (load_pic_register): Generate pic_label_name into a
718 staticly allocated buffer.
719 * config/i386/i386-protos.h: Update.
720 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
721 (ASM_FILE_END): New.
722 * config/i386/i386afe.h: New file.
723 * config.gcc (i?86-*-elf) [tm_file]: Use it.
724 (i?86-*-{freebsd,linux*,moss*}): Likewise.
725 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
726 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
727 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
728 * config/i386/sco5.h (ASM_FILE_END): Likewise.
729 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
731 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
733 * Makefile.in (install-man): Remove explicit dependency on
734 $(srcdir)/gcc.1.
736 * configure.in, configure: Revert previous patch requiring perl
737 5.6.0.
739 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
741 * toplev.c (flag_guess_branch_prob): New.
742 (f_options): Add guess-branch-probability option.
743 (rest_of_decl_compilation): Only estimate branch probability if
744 flag set.
745 (main): set flag_guess_branch_prob.
747 * flags.h (flag_guess_branch_prob): New.
749 2001-01-15 DJ Delorie <dj@redhat.com>
751 * gcc.texi (Makefile): Add documentation for Makefile targets.
753 2001-01-15 Philip Blundell <philb@gnu.org>
755 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
756 (is_pic): Delete.
757 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
758 (is_pic): Delete declaration.
759 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
760 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
761 * config/arm/arm.md (builtin_setjmp_receiver): New.
763 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
765 * arm.c (use_return_insn): Don't try to determine the function type
766 until after reload has completed.
767 (arm_output_epilogue): Don't adjust the sp value recovered from the
768 stack.
769 (emit_multi_reg_push): Don't record dwarf information for the pc.
770 * arm.md (eh_epilogue): The function type may have changed, so it
771 needs to be recalculated.
772 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
773 unwind tables on arm/netbsd.
775 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
777 * arm.md (cbranchsi4): Correct calculation of branch ranges.
778 (negated_cbranchsi4): Likewise.
780 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
782 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
783 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
784 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
785 pass -mapcs-* options to assembler.
786 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
787 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
788 (ASM_SPEC): Call subtarget_extra_asm_spec.
790 2001-01-15 Andreas Jaeger <aj@suse.de>
792 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
793 warnings.
794 (ix86_expand_builtin): Likewise.
796 * gencodes.c (output_predicate_decls): Make i size_t to avoid
797 warning about comparison between signed and unsigned.
799 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
801 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
803 2001-01-14 Ralf Baechle <ralf@gnu.org>
805 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
806 SUBTARGET_CPP_SPEC apropriatly.
808 2001-01-12 Mark Mitchell <mark@codesourcery.com>
810 * varasm.c (make_decl_rtl): Fix typo in last change.
812 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
814 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
815 linker supports the init_priority C++ attribute.
816 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
817 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
818 linker does not support init_priority C++ attribute.
820 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
822 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
824 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
826 * c-parse.in (finish_parse): Add comment about cpp_destroy.
827 * cp/lex.c (finish_parse): Similarly.
828 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
829 Return the number of errors encountered.
830 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
831 * cppmain.c (main): Don't call cpp_destroy.
833 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
835 * configure.in: Require at least perl 5.6.0 to regenerate
836 manpages.
837 * configure: Regenerate.
839 2001-01-14 Richard Henderson <rth@redhat.com>
841 * genrecog.c (DT_veclen_ge): New.
842 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
843 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
844 (nodes_identical_1): Handle DT_veclen_ge.
845 (write_cond, debug_decision_2): Likewise.
847 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
849 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
850 with ...
851 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
853 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
855 * cppmain.c (do_preprocessing): New function; most of the old
856 main.
857 (main): Call it to do most of the work.
858 (cb): Move from global scope to set_callbacks ().
859 (setup_callbacks): Get the callback pointer.
860 (general_init, printer_init): Clean up code and comments.
862 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
864 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
865 compiling PIC.
867 2001-01-14 Kazu Hirata <kazu@hxi.com>
869 * config/h8300/h8300.c (get_shift_alg): Update comments.
871 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
873 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
874 (alloc_page, ggc_alloc): Add casts to remove warnings.
876 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
878 * combine.c (simplify_comparison): Don't change `code' when
879 can't reverse comparison.
881 2001-01-14 Richard Henderson <rth@redhat.com>
883 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
884 update all call sites. Return true for all non-label constants.
886 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
888 * i386.c (ix86_expand_compare): Add bypass_test and second_test
889 parameters.
890 (ix86_expand_branch): Update.
891 (ix86_expand_setcc): Update to handle multiple test conditions.
892 (expand_int_movcc): Likewise.
893 (expand_fp_movcc): Likewise.
894 * i386-protos.h (ix86_expand_compare): New.
895 * i386.md (andqi_?_slp, orqi_?_slp): New.
896 (conditional trap expander): Update call to ix86_expand_compare.
898 2001-01-14 Richard Henderson <rth@redhat.com>
900 * config/vax/vax.md: Use nonimmediate_operand instead of
901 general_operand in destinations.
903 * config/vax/vax.md (indirect_jump): Use register_operand.
905 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
906 * config/vax/vax.md (call_pop): Turn into an expander.
907 (call_value_pop): Likewise.
908 (call, call_value): New.
910 2001-01-14 Andreas Jaeger <aj@suse.de>
912 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
913 variables.
914 (ix86_fp_compare_mode): Add unused attribute.
915 (ix86_expand_fp_movcc): Remove unused variable.
916 (ix86_expand_builtin): Make fcode unsigned.
918 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
919 (expand_expr): Add cast to avoid signed warning.
920 (store_field): Likewise.
921 (store_constructor_field): Likewise.
922 (store_constructor): Likewise.
923 (store_expr): Likewise.
924 (clear_storage): Likewise.
925 (emit_group_store): Likewise.
926 (emit_group_load): Likewise.
928 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
930 * c-common.c: Move format checking code to ...
931 * c-format.c: ... here. New file. Reorder some functions and
932 declarations.
933 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
934 New functions.
935 * c-common.h (decl_handle_format_attribute,
936 decl_handle_format_arg_attribute): Declare.
937 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
938 (c-common.o): Adjust dependencies.
939 (c-format.o): New list of dependencies.
941 2001-01-13 Jakub Jelinek <jakub@redhat.com>
943 * unroll.c (loop_iterations): If we cannot prove iteration variable
944 is set once in each iteration, punt.
946 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
948 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
949 (*strlenhi): Remove clobber (which was buggy) of output address.
951 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
953 * Makefile.in (generated-manpages): Add gcc.1
954 ($(srcdir)/gcc.1): New target.
955 (maintainer-clean): Delete $(srcdir)/gcc.1.
956 * gcc.texi: Add macros @gccoptlist and @gol.
957 * invoke.texi: Include option summary in manpage. Mark up option
958 summary with @gccoptlist and @gol. Use @r in one place where
959 appropriate.
960 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
961 * gcc.1: Generate from invoke.texi.
963 2001-01-13 Richard Henderson <rth@redhat.com>
965 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
966 (struct page_entry): Add group member.
967 (struct page_group): New.
968 (struct globals): Add page_groups member.
969 (alloc_anon): Only define for using mmap; remove valloc call.
970 (page_group_index): New.
971 (set_page_group_in_use): New.
972 (clear_page_group_in_use): New.
973 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
974 (free_page, release_pages): Likewise.
975 * configure.in (with-gc): Default to ggc-page always.
977 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
979 * reload1.c (replace_pseudos_in_call_usage): Use
980 reg_equiv_constant and reg_equiv_address, and don't try
981 regno_reg_rtx first.
983 2001-01-13 Richard Henderson <rth@redhat.com>
985 * ggc-page.c (alloc_page): Round up allocation size to one page.
986 Set e->order on extra pages.
988 2001-01-13 Richard Henderson <rth@redhat.com>
990 * genrecog.c (nodes_identical): Expand commentary.
991 (write_switch): Watch out for identical nodes.
993 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
995 * cppfiles.c (_cpp_fake_include): New function.
996 * cpphash.h (_cpp_fake_include): New.
997 * cpplib.c (do_line): Call _cpp_fake_include when entering
998 header files in preprocessed input.
999 * cppmain.c (cb_pragma_implementation): Remove handling.
1000 (setup_callbacks): Don't register pragmas.
1002 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1004 * extend.texi: Udate for CPP.
1006 2001-01-13 Andreas Jaeger <aj@suse.de>
1008 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1010 * regmove.c: Add prototype for replace_in_call_usage.
1012 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1014 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1015 struct cpp_chunk, struct htab, struct toklist,
1016 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1017 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1018 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1019 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1020 (struct macro_args): Delete.
1021 * cpphash.h: See above.
1023 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1025 * cppmain.c (struct printer): Remove no_line_dirs.
1026 (options, cb): New.
1027 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1028 : Use options rather than CPP_OPTION.
1029 (setup_callbacks): Use cb rather than pfile->cb.
1030 (main): No need to check for a buffer. Use cpp_errors.
1031 (printer_init): Don't set no_line_dirs.
1032 (maybe_print_line): Use options not no_line_dirs.
1033 (cb_file_change): Don't call print_line if -P.
1035 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1037 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1038 callbacks.
1039 * c-parse.in (finish_parse): Use cpp_errors.
1040 (__yylex): Use return value of cpp_pop_buffer.
1041 * cp/lex.c (finish_parse): Use cpp_errors.
1042 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1044 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1046 * README.AVR: URLs corrected.
1048 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1050 * c-decl.c (start_function): Don't warn if old prototype is builtin
1051 that's not in C's namespace.
1052 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1053 (_bb): Add prototype for ctime.
1054 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1056 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1058 * i386.c (ix86_fp_comparison_arithmetics_cost,
1059 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1060 ix86_fp_comparison_cost): New functions.
1061 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1062 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1063 two-branch sequences; make static.
1064 (ix86_use_fcomi_compare): Do decision according to the costs.
1065 (split_fp_branch): New.
1066 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1067 * i386-protos.h (ix86_expand_fp_compare): Remove
1068 (ix86_split_fp_branch): Declare.
1070 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1071 and ix86_comparison_operator.
1073 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1074 to make it cheaper.
1076 * i386.c (put_condition_code): Output properly the unordered/ordered
1077 compares in fp case.
1078 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1080 * tm.texi (REVERSE_CONDITION): Document.
1081 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1082 in -ffast-math mode.
1083 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1085 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1087 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1089 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1090 optimized away.
1092 * config/sh/sh.c (mova_p): Fix test for mova_const.
1094 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1096 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1097 cpp_get_options rather than dereferencing pfile and using
1098 CPP_OPTION.
1099 * scan-decls.c (scan_decls): Use return value of
1100 cpp_pop_buffer rather than CPP_BUFFER.
1102 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1104 * cppinit.c (cpp_handle_option): help_only is now part of the
1105 cpp_options structure.
1106 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1107 cpp_set_callbacks): New functions.
1108 * cpplib.h (cpp_callbacks): Break out as a named structure.
1109 (cpp_options): Move help_only here from cpp_reader.
1110 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1111 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1112 cpp_set_callbacks): New prototypes.
1113 * cppmain.c (main): Update for help_only.
1115 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1117 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1118 Also build and remove and install and uninstall c-tree.info and
1119 cppinternals.info.
1120 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1121 ($(srcdir)/cppinternals.info): New target.
1122 * c-tree.texi: Change file name used when makeinfo used without -o
1123 from ir.info to c-tree.info. Add info directory entry.
1124 * cppinternals.texi: Add info directory entry.
1125 * .cvsignore: Update.
1127 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1129 * c-typeck.c (store_init_value): Don't require constant initializer
1130 elements with -pedantic -std=c99.
1131 (digest_init): Change error about non-constant initializer elements
1132 into pedwarn.
1133 (constructor_range_end): Remove.
1134 (constructor_incremental, designator_depth,
1135 designator_errorneous): New variables.
1136 (struct constructor_stack): Remove range_end, add incremental.
1137 (struct constructor_range_stack, constructor_range_stack): New.
1138 (struct initializer_stack): Add constructor_range_stack.
1139 (finish_init): Set it.
1140 (start_init): Likewise. require_constant_elements for non-static
1141 trees only if not flag_isoc99.
1142 (really_start_incremental_init): Remove constructor_range_end, add
1143 constructor_incremental.
1144 (pop_init_level): Likewise.
1145 (push_init_level): Likewise. If implicit and the subobject had some
1146 value set already, preinitialize the level with it.
1147 Warn about missing braces only if not pushing due to designators.
1148 (set_designator, push_range_stack): New functions.
1149 (set_init_label): Use them.
1150 (set_init_index): Likewise. Remove constructor_range_end.
1151 Error if designator index is outside of array bounds.
1152 (add_pending_init): Compare values of purpose index trees, not the
1153 trees themselves. Allow overwriting of already initialized element.
1154 Issue a warning if it had side-effects.
1155 (set_nonincremental_init, set_nonincremental_init_from_string): New
1156 functions.
1157 (pending_init_member): Rename to...
1158 (find_init_member): ...this function. Call set_nonincremental_init
1159 if necessary. Compare values of purpose index trees, not the trees
1160 themselves. Return the actual value, not just non-zero if something
1161 is found.
1162 (output_init_element): Remove checks for duplicates.
1163 If field has zero size, only check the initializer for correctness.
1164 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1165 if constructor_incremental is zero. Change error about initializers
1166 not computable at load time into pedwarn.
1167 (output_pending_init_elements): Compare bit positions, not
1168 FIELD_DECLs to take into account zero-sized fields.
1169 (process_init_element): Use constructor_range_stack to fill all
1170 ranges in the designator lists from current level up.
1171 * extend.texi: Update documentation for labeled elements.
1173 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1175 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1176 to function usage for arguments passed by reference. Optimize
1177 callee-copied arguments.
1178 * regmove.c (replace_in_call_usage): New function.
1179 (fixup_match_1): Call it.
1180 * cse.c (cse_insn): Canonicalize registers in function usage.
1181 * reload1.c (replace_pseudos_in_call_usage): New function.
1182 (reload): Call it.
1184 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1185 right version.
1187 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1189 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1190 not XEXP (tmp, 0).
1192 2001-01-12 DJ Delorie <dj@redhat.com>
1194 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1195 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1196 targets.
1198 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1200 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1201 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1202 -std options alongside references to -ansi. Update some
1203 documentation for C99.
1204 * cpp.1: Regenerate.
1206 2001-01-12 Andreas Jaeger <aj@suse.de>
1208 * haifa-sched.c (restore_line_notes): Remove argument block B
1209 since it's unused.
1210 * sched-ebb.c (schedule_ebb): Change caller.
1211 * sched-rgn.c (schedule_region): Likewise.
1212 * sched-int.h (restore_line_notes): Adjust prototype.
1214 * loop.h: Remove wrong declaration of doloop_condition_get.
1216 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1218 * extend.texi: Move C++-extension-related node from the C section
1219 into the C++ section.
1221 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1223 * extend.texi: Refer to an array of pointers to functions instead
1224 of one of functions.
1226 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1227 Jan Hubicka <jh@suse.cz>
1229 * combine.c (reversed_comparison): Fix typo in last patch.
1230 Check X for NULL.
1231 (combine_reversed_comparison_code): Make static to follow
1232 prototype declaration.
1234 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1236 * install.texi: Remove misplaced duplicate entry.
1238 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1240 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1242 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1244 * final.c: (leaf_function_p): Fix typo.
1246 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1248 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1249 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1250 which you have.
1251 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1252 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1253 mmap_anon, and valloc is available.
1254 * ggc-page.c: Restructure ifdef logic to match new autoconf
1255 spec. Don't throw away the test page in init_ggc.
1257 * configure, config.in: Regenerate.
1259 2001-01-12 Michael Hayes <mhayes@redhat.com>
1261 * loop.h (total_biv_increment): Constify iv_class pointer.
1262 (struct induction): Replace `mem_mode' with `mem' rtx.
1263 * unroll.c (total_biv_increment): Constify iv_class pointer.
1264 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1265 (find_mem_givs, combine_givs_p): Likewise.
1266 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1268 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1270 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1271 LastError.
1272 (__gthread_getspecific): Ditto.
1274 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1276 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1277 put_condition_code): Convert fp comparison codes to integer
1278 before handling.
1279 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1280 to final.
1282 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1283 * i386-protos.h (no_comparison_operator): Kill.
1285 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1287 * combine.c (REVERSIBLE_CC_MODE): Remove.
1288 (reversible_comparison_p): Remove.
1289 (combine_reversed_comparison_code): New.
1290 (reversed_comparison): New.
1291 (combine_simplify_rtx): Use
1292 combine_reversed_comparison_code/reversed_comparison instead
1293 of reversible_comparison_p.
1294 (simplify_if_then_else): Likewise.
1295 (simplify_set): Likewise.
1296 (simplify_logical): Likewise.
1297 (if_then_else_cond): Likewise.
1298 (known_cond): Likewise.
1299 (simplify_comparison): Likewise.
1301 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1303 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1304 sizeof (int) is larger than sizeof(__word__).
1306 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1308 * cppinit.c (do_includes): Fix typo.
1310 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1312 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1313 in S_REGS does not occur because not all sources are possible
1314 when a S_REGS is a destination (sometimes needs a clobber).
1315 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1316 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1317 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1318 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1319 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1320 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1321 (lshrdi_const1, lshrsi3_const16): Likewise.
1322 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1323 (*movhi_68hc12, *movqi_68hc12): Likewise.
1324 (movstrictqi): Make sure reloading in D_REGS as a destination
1325 does not happen.
1327 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1329 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1331 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1333 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1334 -D, -U and -A, and don't initialize the builtins.
1335 (do_includes): Error if -include or -imacros with -fpreprocessed.
1336 * cppmain.c (cb_define, cb_undef): Unconditionally process
1337 the callback.
1338 * tradcpp.c (main): Fix typo.
1340 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1342 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1343 (read_name_map): Use IS_ABSOLUTE_PATH.
1344 * tradcpp.c (get_filename): Likewise.
1346 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1348 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1349 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1350 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1351 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1352 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1353 (cmphi_z_used): Don't use '@' for the output.
1354 (tstqi_z_used): Likewise.
1355 (cmpqi_z_used): Likewise.
1356 (one_cmplsi2): Likewise.
1358 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1360 * config/sh/sh.c (barrier_align): Recognize branch around far
1361 branch and redundant insn.
1363 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1365 * invoke.texi: Restore documentation of the drivers' switches -MD
1366 and -MMD.
1368 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1370 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1372 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1373 check-objc//%): Support parallel testing of multilibs.
1374 (TESTSUITEDIR): Set to testsuite by default, but override for
1375 parallel testing.
1376 (check-gcc, check-g++, check-g77, check-objc): Enter
1377 $(TESTSUITEDIR).
1379 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1381 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1382 * sched-deps.c (deps_may_trap_p): Likewise.
1383 * basic-block.h: Remove a comment.
1384 * flow.c (PROP_POSTRELOAD): Remove.
1385 (update_life_info): Don't add it to prop_flags.
1386 (mark_set_1): Lose the code that was enabled by it.
1388 2001-01-11 Michael Hayes <mhayes@redhat.com>
1390 * flow.c (flow_call_edges_add): New.
1391 * basic_block.h (flow_call_edges_add): New.
1393 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1395 * reload1.c (move2add_note_store): Update reg_set_luid even if
1396 base reg remains the same.
1398 2001-01-10 Nick Clifton <nickc@redhat.com>
1400 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1401 machine_function structure to zero.
1402 Add prototypes for machine_status functions.
1404 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1406 * c-common.h (CTI_VOID_LIST): Remove.
1407 (void_list_node): Likewise.
1408 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1409 (void_list_node): New macro.
1410 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1411 * config/i386/i386.c (ix86_init_builtins): Likewise.
1412 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1414 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1416 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1417 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1418 if statement.
1419 * tradcpp.c: Include mkdeps.h.
1420 (deps, print_deps_phony_targets, deps_append, output_deps,
1421 init_dependency_output, output_deps): New.
1422 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1423 deps_output): Delete.
1424 (print_deps_missing_files): Rename deps_missing_files.
1425 (inhibit_output): Make global.
1426 (main): Delete inhibit_output, deps_stream, deps_target.
1427 Use mkdeps functionality in the same way as cpplib. Remove
1428 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1429 -M and -MM. Remove old handling of deps via deps_out, and
1430 old reading of environment variables.
1431 (get_filename): Update to use deps_add_dep.
1433 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1435 * output.h (make_function_rtl): Remove prototype.
1436 (make_decl_rtl): Likewise.
1437 * varasm.c (make_function_rtl): Remove.
1438 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1439 than from a third parameter.
1440 * tree.h (make_decl_rtl): Remove last parameter.
1441 * c-decl.c (builtin_function): Remove last argument in call to
1442 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1443 (start_function): Likewise.
1444 * except.c (call_get_eh_context): Likewise.
1445 * expr.c (emit_block_move): Likewise.
1446 (clear_storage): Likewise.
1447 * profile.c (output_func_start_profiler): Likewise.
1448 * toplev.c (rest_of_decl_compilation): Likewise.
1449 * objc/objc-act.c (create_builtin_decl): Likewise.
1450 (synth_module_prologue): Likewise.
1451 (generate_static_reference): Likewise.
1452 (build_selector_reference_decl): Likewise.
1453 (build_class_reference_decl): Likewise.
1454 (build_objc_string_decl): Likewise.
1455 (build_protocol_reference): Likewise.
1457 2001-01-10 Richard Henderson <rth@redhat.com>
1459 * hwint.h: Revert yesterday's change.
1461 2001-01-10 Nick Clifton <nickc@redhat.com>
1463 * function.h (save_machine_status): Delete.
1464 (restore_machine_status): Delete.
1465 Amend comment describing {init|mark|free}_machine_status.
1467 * function.c (save_machine_status): Delete.
1468 (restore_machine_status): Delete.
1469 Amend comment describing {init|mark|free}_machine_status.
1470 (push_function_context_to): Remove invocation of
1471 save_machine_status.
1472 (pop_function_context_from): Remove invocation of
1473 restore_machine_status.
1475 * emit-rtl.c (init_emit_once): Amend comment describing
1476 {init|mark|free}_machine_status.
1478 * tm.texi (Per-Function Data): New node. Describe the
1479 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1480 function pointers.
1482 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1484 * cppinit.c (OPT_g): Remove.
1485 (cpp_handle_option): Update for removed -g3.
1486 (print_help): Update.
1487 * cpplib.h (struct cpp_options): Remove debug_output.
1488 * cppmain.c (setup_callbacks, cb_define): Update.
1489 * gcc.c (cpp_options): Translate -g3 to -dD.
1491 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1493 * config/i960/i960.md: Change modifier to + on the zero_extract
1494 pattern after the (rotate -2 reg) canonicalization pattern.
1496 2001-01-10 Richard Henderson <rth@redhat.com>
1498 * config/alpha/alpha.c (alpha_free_machine_status): New.
1499 (override_options): Install it.
1500 (alpha_mark_machine_status): Verify machine non-null.
1501 * config/i386/i386.c (ix86_free_machine_status): New.
1502 (override_options): Install it.
1503 (ix86_init_machine_status): Use xcalloc.
1504 (ix86_mark_machine_status): Verify machine non-null.
1505 * config/ia64/ia64.c (ia64_free_machine_status): New.
1506 (ia64_override_options): Install it.
1507 (ia64_mark_machine_status): Verify machine non-null.
1509 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1511 * function.c (instantiate_virtual_regs): Instantiate virtual
1512 registers found in CALL_INSN_FUNCTION_USAGE.
1514 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1516 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1517 equivalent to -ansi in disabling -Di386.
1519 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1521 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1522 new functions.
1523 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1525 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1527 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1529 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1531 * invoke.texi: Document that -fcond-mismatch isn't supported for
1532 C++.
1534 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1536 * gcc.texi: Define macro gcctabopt.
1537 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1538 @command, @env and @option in some places where appropriate. Use
1539 @gcctabopt where appropriate. Put URLs and email addresses inside
1540 @w.
1542 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1544 * gcc.c (cpp_options): Set MD file name from output
1545 filename, if specified.
1546 (suffix_subst): New static variable.
1547 (do_spec): Clear it.
1548 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1549 Clear it.
1550 (give_switch): Handle suffix_subst.
1552 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1554 * invoke.texi: Fix another typo.
1556 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1558 * invoke.texi: Fix typo.
1560 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1562 * c-lang.c (lang_hooks): Update.
1563 (lang_decode_option): Remove.
1564 (lang_init_options): Rename c_init_options.
1565 * toplev.c (main): Use lang_hooks for lang_init_options
1566 and lang_decode_option.
1567 * toplev.h (lang_hooks): Add 2 new hooks.
1568 * tree.h: Remove lang_init_options and lang_decode_option.
1569 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1570 * cp/decl2.c: Similarly.
1571 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1572 (lang_hooks): Update.
1573 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1574 for consistency.
1575 (lang_init_options): Rename ffe_init_options.
1576 (lang_hooks): Update.
1577 (lang_decode_option): Remove.
1578 * java/lang.c (lang_init_options): Rename java_init_options.
1579 (lang_decode_option): Rename java_decode_option.
1580 (lang_hooks): Update.
1581 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1582 (lang_decode_option): Rename objc_decode_option.
1583 (lang_hooks): Update.
1585 2001-01-09 Nick Clifton <nickc@redhat.com>
1587 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1588 (d30v_return_addr_rtx): Delete.
1589 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1590 cfun->machine structure.
1591 (struct machine_function): Move to d30v.h
1592 (d30v_save_machine_status): Delete.
1593 (d30v_restore_machine_status): Delete.
1594 (d30v_init_machine_status): New Function.
1595 (d30v_mark_machine_status): New Function.
1596 (d30v_free_machine_status): New Function.
1597 (d30v_init_expanders): Use new functions.
1598 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1599 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1600 d30v_return_addr_rtx.
1602 * config/d30v/d30v.h (struct_machine): Move here.
1603 Add eh_epilogue_sp_ofs field.
1605 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1606 field in cfun->machine structure.
1608 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1610 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1611 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1612 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1614 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1616 * objc/lang-options.h: Remove bogus reference to
1617 Java trademark.
1619 2001-01-09 Kazu Hirata <kazu@hxi.com>
1621 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1622 return the result.
1624 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1626 * reload.c (find_reloads_address): Check for eliminable registers
1627 when substituting a constant expression for a pseudo.
1629 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1631 * c-common.c (enum format_type): Add format_type_error.
1632 (decode_format_type): New function.
1633 (decl_attributes): Use it.
1634 (format_kind_info): Adjust comment.
1636 2001-01-09 David O'Brien <obrien@BSDi.com>
1638 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1639 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1640 files in tm_file.
1641 * config/i386/gnu.h: Don't include required platform specific .h files,
1642 tm.h will do it instead.
1643 * config/i386/i386elf.h: Likewise.
1644 * config/i386/linux.h: Likewise.
1645 * config/i386/moss.h: Likewise.
1646 * config/mips/gnu.h: Likewise.
1648 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1650 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1651 (rs6000-ibm-aix3.[01]*): Likewise.
1652 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1653 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1654 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1655 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1656 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1657 (powerpc-*-eabiaix*): Likewise.
1658 (powerpc-*-eabisim*): Likewise.
1659 (powerpc-*-elf*): Likewise.
1660 (powerpc-*-eabi*): Likewise.
1661 (powerpc-*-rtems*): Likewise.
1662 (powerpc-*-linux*libc1): Likewise.
1663 (powerpc-*-linux*): Likewise.
1664 (powerpc-wrs-vxworks*): Likewise.
1665 (powerpcle-wrs-vxworks*): Likewise.
1666 (powerpcle-*-sysv*): Likewise.
1667 (powerpcle-*-elf*): Likewise.
1668 (powerpcle-*-eabisim*): Likewise.
1669 (powerpcle-*-eabi*): Likewise.
1670 (powerpcle-*-solaris2*): Likewise.
1671 * config/rs6000/aix31.h: Delete includes.
1672 * config/rs6000/aix3newas.h: Likewise.
1673 * config/rs6000/aix41.h: Likewise.
1674 * config/rs6000/aix43.h: Likewise.
1675 * config/rs6000/beos.h: Likewise.
1676 * config/rs6000/rtems.h: Likewise.
1677 * config/rs6000/sysv4.h: Likewise.
1679 2001-01-09 Kazu Hirata <kazu@hxi.com>
1681 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1682 Change an argument mode of machine_mode to shift_mode of
1683 shift_mode. Remove an extra error check.
1684 (emit_a_shift): Adopt to the new calling prototype of
1685 get_shift_alg.
1686 (function_prologue): Fix code for a monitor
1687 function. Support H8/S.
1688 (function_epilogue): Do not output pop for a monitor function.
1690 2001-01-09 Nick Clifton <nickc@redhat.com>
1692 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1693 (setup_incoming_varargs): Use sysv_varargs_p field of the
1694 cfun->machine structure.
1695 (struct machine_function): Move to rs6000.h
1696 (rs6000_save_machine_status): Delete.
1697 (rs6000_restore_machine_status): Delete.
1698 (rs6000_init_machine_status): New Function.
1699 (rs6000_free_machine_status): New Function.
1700 (rs6000_init_expanders): Use new functions.
1702 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1703 export.
1704 (struct machine_function): Move here.
1706 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1707 sysv_varargs_p field of the cfun->machine structure.
1709 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1710 Remove prototype.
1711 (rs6000_restore_machine_status): Remove prototype.
1713 2001-01-09 Richard Henderson <rth@redhat.com>
1715 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1716 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1717 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1718 (sched_analyze_2, sched_analyze_insn): Likewise.
1719 (sched_analyze, init_deps): Likewise.
1720 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1721 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1722 (compute_block_backward_dependences): Update propagate_deps call.
1724 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1726 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1728 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1730 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1731 (cpp_handle_option): Handle them.
1732 (cpp_post_options): Ensure one of -M or -MM is specified with
1733 any other -M? option.
1734 (init_dependency_output): Suppress output with -MG.
1736 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1738 * cpp.texi: Update.
1739 * invoke.texi: Update.
1741 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1743 * sh.md (reload_outsf): Generate recognizable patterns for
1744 TARGET_SH3E.
1746 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1748 * c-lang.c (lang_hooks): Update.
1749 (lang_init): Rename c_init.
1750 (lang_finish): Remove.
1751 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1752 and lang_finish ().
1753 * toplev.h (lang_hooks): Add init () and finish ().
1754 * tree.h (lang_init, lang_finish): Remove.
1755 * cp/tree.h (lang_init, lang_finish): Remove.
1756 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1757 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1758 lang_hooks): New.
1759 (lang_init, lang_finish): Remove.
1760 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1761 (lang_hooks): Update.
1762 * java/lang.c (lang_init): Rename java_init.
1763 (lang_finish): Remove.
1764 (lang_hooks): Update.
1765 * objc/objc-act.c (lang_init): Rename objc_init.
1766 (lang_finish): Remove.
1767 (lang_hoooks): Update.
1769 20001-01-09 Graham Stott <grahams@redhat.com>
1771 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1772 after `ptr` is initialised.
1774 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1776 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1777 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1778 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1779 stack adjusts, instead of r3.
1781 2001-01-09 Michael Hayes <mhayes@redhat.com>
1783 * flow.c (flow_loop_scan): Break out of ...
1784 (flow_loops_find) ... here.
1785 * basic-block.h (flow_loop_scan): New.
1786 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1787 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1789 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1791 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1792 macro_buffer_len.
1793 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1794 realloc()ing macro_buffer.
1796 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1797 if it's wider than long and the target's long is wider than the
1798 host's.
1800 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1802 Remove support for using UWIN as a host machine.
1803 * configure.in: Issue an error message.
1804 * configure: Regenerated.
1805 * config.gcc: Remove xm_* UWIN configury.
1806 * config/i386/xm-uwin.h: Remove.
1808 2001-01-08 Nick Clifton <nickc@redhat.com>
1810 * config/v850/v850.c (ra_rtx): Delete.
1811 (v850_save_machine_status): Delete.
1812 (v850_restore_machine_status): Delete.
1813 (v850_init_machine_status): New function.
1814 (v850_mark_machine_status): New function.
1815 (v850_free_machine_status): New function.
1816 (v850_return_addr): Use ra_rtx field in machine structure.
1817 (v850_init_expanders): Use new functions.
1819 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1820 * config/v850/v850.c: Change arguments to v850_output+* functions
1821 to take a const char *, to avoid compile time warning.
1822 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1823 (USER_LABEL_PREFIX): Redefine.
1825 2000-01-08 Jim Wilson <wilson@redhat.com>
1827 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1828 1 to unsigned HOST_WIDE_INT before left shift.
1830 2001-01-08 Nick Clifton <nickc@redhat.com>
1832 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1833 the machine structure has been allocated.
1834 (arm_free_machine_status): New function: Free the machine
1835 specific function structure.
1837 2001-01-08 Richard Henderson <rth@redhat.com>
1839 * jump.c (simplejump_p): Revert last change.
1841 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1843 * cppinit.c (init): Rename init_library.
1844 (cpp_create_reader): Update.
1845 * gcc.c (cpp_options): If -o given, use it as the target of
1846 any -M options.
1848 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1850 * arm.c (arm_arch5e): New variable.
1851 (all_cores): XScale is a 5TE device.
1852 (arm_override_options): Set arm_arch5e.
1853 (arm_init_builtins): __builtin_prefetch is in arch5e.
1854 * arm.h (arm_arch5e): Declare it.
1856 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1858 * arm.md (define_constants): Add defines for UNSPEC and
1859 UNSPEC_VOLATILE insns. Update all users.
1860 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1861 * arm.c (multi_register_push, note_invalid_constants)
1862 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1863 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1864 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1866 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1868 * jump.c (jump_optimize_1): Use reversed_comparison_code
1869 instead of can_reverse_comparison_p.
1870 (jump_back_p): Likewise.
1871 (invert_exp_1): Likewise.
1872 (thread_jumps): Likewise.
1873 * simplify-rtx.c (simplify_unary_operation): Likewise.
1874 (simplify_ternary_operation): Likewise.
1875 * cse.c (find_comparison_args): Convert to use
1876 can_reverse_comparison_p.
1877 (record_jump_equiv): Likewise.
1879 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1881 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1882 (EPILOGUE_USES): Define.
1883 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1884 automatically stack the LR if it isn't live.
1886 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1888 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1889 properly.
1891 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1893 * ggc-page.c (max_alignment): New structure.
1894 (MAX_ALIGNMENT): New macro.
1895 (init_ggc): Use it to round up the sizes in the
1896 extra_order_size_table.
1898 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1900 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1901 after reload.
1903 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1905 * builtins.def (BUILT_IN_FPRINTF): New entry.
1907 * c-common.c (c_expand_builtin_fprintf): New function.
1908 (init_function_format_info): Handle __builtin_fprintf.
1909 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1910 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1912 * c-decl.c (duplicate_decls): Adjust comment.
1914 * extend.texi (fprintf): Document new builtin.
1916 2001-01-07 Richard Henderson <rth@redhat.com>
1918 * jump.c (simplejump_p): Recognize any single_set jump
1919 of the proper form.
1921 2001-01-07 Richard Henderson <rth@redhat.com>
1923 * configure.in (slibdir): Accept an --with-slibdir option.
1924 Use "test" not "[" in configure. Default to $(libdir).
1926 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1927 fix typo in rm -f.
1928 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1929 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1930 (SHLIB_LINK): Create links for the soname.
1931 * config/mips/t-iris6: Likewise.
1932 * config/sparc/t-slibgcc: Likewise.
1933 * config/sparc/t-slibgcc-sld: Likewise.
1935 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1937 * config/i386/i386.c (constant_call_address_operand): Accept
1938 (const (plus (symbol_ref) (const_int))).
1939 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1940 constant_call_address_operand.
1942 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1944 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1945 and LONG_LONG_TYPE_SIZE > 32.
1947 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1949 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1950 the previous change.
1952 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1954 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1955 New.
1956 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1957 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1958 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1959 Declare.
1961 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1963 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1965 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1967 * c-lang.c (c_post_options): Call cpp_post_options.
1968 * objc/objc-act.c (objc_post_options): Similarly.
1969 * cppmain.c (main): Similarly.
1970 * fix-header.c (read_scan_file): Similarly.
1971 * cppinit.c (cpp_start_read): Move option consistency checks
1972 to cpp_post_options. Don't call init_dependency_output.
1973 If needed, add default target and main file dependency.
1974 (OPT_MD, OPT_MMD): Remove.
1975 (OPT_MF): New.
1976 (cpp_handle_option): Update for OPT_* changes.
1977 (cpp_post_options): New.
1978 (init_dependency_output): Command line -MF overrides environment
1979 variables. Don't set default target etc. Suppress output
1980 if dependencies are going to stdout.
1981 (print_help): Update.
1982 * cpplib.h (cpp_post_options): New.
1983 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1985 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1987 * jump.c (comparison_dominates_p): Support unordered compares.
1989 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1991 * simplify-rtx.c (simplify_relational_operation): Always simplify
1992 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1993 and UNGE.
1995 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1997 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1998 (nonzero_bits): Likewise.
1999 (simplify_comparison): Likewise.
2000 (num_sign_bit_copies): Likewise; return more sane value depending
2001 on STORE_FLAG_VALUE.
2002 (known_cond): Do not assume EQ to be always true for equivalent
2003 operands.
2005 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2007 * cse.c (fold_rtx): Handle unordered comparisons.
2009 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2011 * rtlanal.c (set_of_1): New static function.
2012 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2013 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2014 reg_set_last_last_regno): Remove.
2015 (set_of): New global function.
2016 (set_of_data): New structure.
2017 (reg_set_p, reg_set_last): Revamp for set_of.
2018 * rtl.h (set_of): New.
2020 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2022 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2023 * extend.texi: Document _Exit builtin.
2025 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2027 * (initialize, initialize_builtins,
2028 initialize_dependency_output, initialize_standard_includes):
2029 Rename s/initialize/init. Update.
2030 (init_dependency_output): Move to after
2031 cpp_handle_options, the correct location temporally at least.
2032 (opt_comp): Move next to init (), its caller. Fix prototype.
2033 (init): Make "initialized" local scope.
2034 (cpp_create_reader): Always call init ().
2035 (cpp_start_read): Update.
2036 (output_deps): New function, broken out of cpp_finish.
2037 (cpp_finish): Break out output_deps.
2039 2001-01-07 Richard Henderson <rth@redhat.com>
2041 * collect2.c (COFF specific stuff): Revert 12-06 patch
2042 to prototype system functions.
2044 2001-01-07 Michael Hayes <mhayes@redhat.com>
2046 * hard-reg-set.h: Add multiple include guard.
2047 * basic-block.h (struct loop): Add `sink' field.
2048 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2049 (emit_iv_add_mult): Delete.
2050 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2051 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2052 (unroll_loop): Remove end_insert_before argument.
2053 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2054 (maybe_eliminate_biv_1): Likewise.
2055 (emit_iv_add_mult): Delete.
2056 (gen_add_mult, loop_regs_update): New.
2057 (loop_insn_emit_after, loop_insn_emit_before): New.
2058 (loop_insn_sink, loop_insn_sink_or_swim): New.
2059 (emit_iv_add_mult): Delete.
2060 (scan_loop): Set loop->sink.
2061 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2062 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2063 (maybe_eliminate_biv_1): Likewise.
2064 (maybe_eliminate_biv_1): Add basic block argument.
2065 * unroll.c (unroll_loop): Remove end_insert_before argument.
2066 (find_splittable_regs): Likewise.
2067 (find_splittable_regs): Use loop_insn_sink and its ilk.
2068 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2070 2001-01-07 Michael Hayes <mhayes@redhat.com>
2072 * loop.h (loop_insn_hoist): New prototype.
2073 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2074 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2075 (check_dbra_loop, load_mems): Likewise.
2076 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2077 (find_splittable_givs): Likewise.
2079 2001-01-07 Michael Hayes <mhayes@redhat.com>
2081 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2083 2001-01-07 Richard Henderson <rth@redhat.com>
2085 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2087 2001-01-07 Richard Henderson <rth@redhat.com>
2089 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2090 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2091 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2092 variant that handles a shared libgcc.
2093 (process_command): Always validate -{static,shared}-libgcc.
2094 (do_spec_1): New 'M' case.
2095 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2097 2001-01-07 Richard Henderson <rth@redhat.com>
2099 * Makefile.in (slibdir): New variable.
2100 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2101 (installdirs): Create slibdir.
2102 (install-libgcc, install-multilib): Defer to libgcc.mk.
2103 * configure.in (slibdir): Substitute.
2104 * mklibgcc.in (install): New target.
2106 * config/t-linux (SHLIB_LINK): Create links for the soname.
2107 (SHLIB_INSTALL): New.
2108 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2109 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2110 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2111 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2112 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2114 2001-01-07 Richard Henderson <rth@redhat.com>
2116 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2117 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2118 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2120 2001-01-07 Michael Hayes <mhayes@redhat.com>
2122 * loop.c (count_loop_regs_set): Delete.
2123 (load_mems_and_recount_loop_regs_set): Delete.
2124 (loop_regs_scan): Merge common code from count_loop_regs_set,
2125 scan_loop, and load_mems_and_recount_loop_regs_set.
2126 (scan_loop): Call load_mems directly and loop_regs_scan
2127 again if new registers created.
2129 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2131 * toplev.c (main): Call the front-end specific post_options
2132 hook if one is given.
2133 * toplev.h (struct_lang_hooks, lang_hooks): New.
2134 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2135 for the C front end.
2136 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2137 lang_hooks for the C++ front end.
2138 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2139 lang_hooks for the ObjC front end.
2140 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2141 * java/lang.c (lang_hooks): Hooks for the Java front end.
2143 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2145 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2146 for verbose DWARF[2] debugging.
2147 (cb_define, cb_undef): The new callbacks.
2148 * toplev.h (debug_define, debug_undef): Make const correct.
2149 * toplev.c (debug_define, debug_undef): Similarly. Do not
2150 perform the verbosity tests here anymore.
2152 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2154 * reload.c (subst_reloads): Take INSN argument. When
2155 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2156 * reload.h (subst_reloads): Adjust prototype.
2157 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2158 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2159 present in JUMP_INSNs and copy them to JUMP_LABEL.
2160 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2161 JUMP_INSNs and insns with REG_LABELs that are followed by
2162 JUMP_INSNs with the same REG_LABEL.
2163 * sched-rgn.c (is_cfg_nonregular): Likewise.
2164 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2165 note is available.
2166 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2167 JUMP_INSNs too.
2168 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2170 2001-01-06 Richard Henderson <rth@redhat.com>
2172 * loop.c (scan_loop): Use xcalloc for the regs array.
2173 (load_mems_and_recount_loop_regs_set): Zero the new memory
2174 received from xrealloc.
2176 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2178 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2180 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2182 * integrate.c (copy_rtx_and_substitute): When copying
2183 an ignored return value, strip REG_FUNCTION_VALUE_P.
2185 2001-01-06 Michael Hayes <mhayes@redhat.com>
2187 * loop.c (debug_biv, debug_giv): New.
2188 (loop_biv_dump): Break out from ...
2189 (record_biv): ... here.
2190 (loop_giv_dump): Break out from ...
2191 (record_giv): ... here.
2192 (loop_bivs_check): Use print_simple_rtl.
2193 * unroll.c (loop_iterations): Use print_simple_rtl.
2195 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2197 * pa.md (return, return_internal): Modify patterns to prevent regrename
2198 mucking with the return pointer.
2200 2001-01-05 Richard Henderson <rth@redhat.com>
2202 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2204 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2206 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2207 version supplied by Matteo Frigo.
2209 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2211 * cpp.texi: Update for -MQ.
2212 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2213 (cpp_cleanup): Always free pfile->deps.
2214 (initialize_dependency_output): Don't create pfile->deps.
2215 (cpp_handle_option): Similarly.
2216 (OPT_MQ): New.
2217 * gcc.c (cpp_options): Handle -MQ.
2218 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2219 * mkdeps.c (base_name): Remove.
2220 (deps_init): Don't allocate vector space until it's needed.
2221 (deps_free): Only free vectors if allocated.
2222 (deps_add_target, deps_add_dep): Update for initial allocation.
2223 (deps_add_default_target): Don't strip to the base_name.
2225 2001-01-05 DJ Delorie <dj@redhat.com>
2227 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2228 (INIT_EXPANDERS): Define.
2230 * config/v850/v850.c (struct machine_function): Define.
2231 (v850_save_machine_status): New function.
2232 (v850_restore_machine_status): New function.
2233 (v850_return_addr): New function.
2234 (v850_init_expanders): New function.
2236 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2237 and v850_init_expanders.
2239 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2241 * cpplib.h (struct cpp_reader): Add help_only field.
2242 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2243 (cpp_handle_option): Set pfile->help_only if we see -h,
2244 --help, -target-help, or --version. Print version string but
2245 do not set help_only if we see -v or -version. Make text
2246 printed by -v match that printed by (-)-version.
2248 * cppmain.c (main): Exit after option parsing if
2249 pfile->help_only is true.
2251 * toplev.c (independent_decode_option): Call print_version,
2252 then exit, if we see --version (but not -version).
2253 (print_version): Split lengthy message into two lines.
2255 2001-01-05 Nick Clifton <nickc@redhat.com>
2257 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2258 temporary string for initialisation before calling ggc_alloc_string.
2260 2001-01-06 Michael Hayes <mhayes@redhat.com>
2262 * rtl.h (print_simple_rtl): New.
2263 * print-rtl.c (print_simple_rtl): New.
2264 (flag_simple): New.
2265 (print_rtx): Disable printing of flags and modes, etc.,
2266 if `flag_simple` nonzero.
2268 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2270 * function.c (fixup_var_refs): Use push_to_full_sequence where
2271 possible.
2273 2001-01-05 Michael Meissner <meissner@redhat.com>
2275 * flags.h (flag_reorder_blocks): Add declaration.
2276 (flag_rename_block): Ditto.
2278 2001-01-05 DJ Delorie <dj@redhat.com>
2280 * function.c (reorder_blocks): Make sure the flags are all reset
2281 before using them to mark blocks, else a second invocation will
2282 corrupt the block chain.
2283 (reorder_blocks_0): New, resets the flags.
2285 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2287 * cse.c (find_comparison_args): Stop if the argument is known to
2288 be constant.
2290 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2292 * config/sh/sh.md (movdf): When splitting load into pair of
2293 registers, don't clobber the register used in the address too
2294 early.
2296 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2298 * varasm.c (mark_constant_pool): Improve initial comments.
2299 (mark_constants): Move marking of constants to mark_constant.
2300 (mark_constant): New function to recursively mark all constants
2301 referred to by a constant.
2303 2001-01-05 Catherine Moore <clm@redhat.com>
2305 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2307 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2309 * cp/lang-options.h: Bring comment in line with reality.
2310 * f/lang-options.h: Likewise.
2311 * java/lang-options.h: Likewise.
2312 * objc/lang-options.h: Likewise.
2313 * ch/lang-options.h: Likewise.
2314 * f/g77.texi: And update the manual.
2316 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2317 Denis Chertykov <denisc@overta.ru>
2319 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2320 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2321 * config/avr/avr.md (all peepholes that request a scratch register):
2322 Call it, FAIL the peephole if not safe (in interrupt functions).
2324 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2326 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2328 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2330 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2331 Define.
2332 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2333 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2334 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2335 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2336 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2337 BUILT_IN_CIMAG.
2338 * extend.texi: Document these builtins.
2340 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2342 * c-common.c (lang_get_alias_set): Say we know nothing of
2343 VECTOR_TYPE aliasing.
2345 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2347 2001-01-05 Bruce Korb <bkorb@gnu.org>
2349 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2350 their x* equivalent versions for atexit-less systems
2351 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2352 systems (or any other system any more).
2354 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2356 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2357 output operands. Use arm_hard_register_operand for operand 4.
2358 (stmsi_postinc): Similarly.
2359 (ldmsi): Use arm_hard_register_operand for opernand 2.
2360 (stmsi): Similarly.
2361 * arm.c (arm_hard_register_operand): New function.
2362 * arm-protos.h (arm_hard_register_operand): Prototype it.
2364 * arm.h (HARD_REGNO_RENAME_OK): Define.
2366 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2368 * simplify-rtx.c (cfc_args): add "unordered" field.
2369 (check_fold_consts): Set unordered field.
2370 (simplify_relational_operation): Simplify the unordered
2371 comparisons.
2373 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2374 is valid.
2376 * emit-rtl.c (try_split): Fix code to mark labels.
2377 * jump.c (mark_jump_label): Make global.
2378 * rtl.h (mark_jump_label): Declare.
2380 * predict.c (estimate_probability): Handle unordred comparisons.
2382 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2384 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2385 * cppinit.c (initialize_dependency_output): Update.
2386 (cpp_finish): Output dummy targets for -MP.
2387 (OPT_MP): New.
2388 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2389 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2390 * gcc.c (cpp_options): Update to handle -MP.
2391 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2392 to quote only the default target.
2393 (deps_phony_targets): Insert a preceding newline. Rename from
2394 deps_dummy_targets for consistency.
2395 * mkdeps.h: Update
2397 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2399 * calls.c (emit_library_call_value_1): Support
2400 INIT_CUMULATIVE_LIBCALL_ARGS.
2401 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2403 2001-01-04 Richard Henderson <rth@redhat.com>
2405 * c-decl.c (finish_struct): Detect flexible array members
2406 used in an inappropriate context.
2407 * c-typeck.c (really_start_incremental_init): Special case
2408 constructor_max_index for zero length arrays.
2409 (pop_init_level): Allow initialization of flexible array
2410 members. Deprecate initialization of zero length arrays.
2411 Don't issue missing initializer warning for flexible array
2412 members or zero length arrays.
2413 (process_init_element): Don't dereference null DECL_SIZE.
2414 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2415 Don't abort for empty constructors. Use size_binop
2416 (output_constructor): Add commentary regarding zero length
2417 array futures. Abort if we try to initialize an array of
2418 unspecified length with a non-empty constructor in the middle
2419 of a structure.
2421 * extend.texi (Zero Length): Update and clarify documentation
2422 on static initialization.
2424 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2426 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2427 with more than 32767 words of local storage.
2429 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2431 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2432 for 'abs', 'labs', and 'fabs'.
2433 (c4x_expand_builtin): Likewise.
2434 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2436 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2438 * config/sh/sh.md (prget, prset): New insn types.
2439 (return delay slot): Dont' allow prset.
2440 (call, sfunc delay slot): Don't allow prget.
2441 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2442 for prset and prget.
2444 2001-01-05 Michael Hayes <mhayes@redhat.com>
2446 * loop.h (struct loop_reg): New.
2447 (struct loop_regs): Change to use array of `struct loop_reg'.
2448 * loop.c: Replace assortment of varrays with single regs array.
2449 (count_one_set): Delete may_not_move array argument
2450 and use regs array instead. All caller's changed.
2451 (count_loop_regs_set): Delete may_not_move and single_usage
2452 arguments and use regs array instead. All caller's changed.
2453 (find_single_use_in_loop): Replace usage array argument with pointer
2454 to regs structure. All caller's changed.
2455 (loop_optimize): Delete `moved_once' array.
2457 2001-01-05 Michael Hayes <mhayes@redhat.com>
2459 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2460 Use it instead of loop_info->has_call for scanning loop mems.
2461 (check_dbra_loop): Replace loop_info->has_call test with
2462 loop_info->has_nonconst_call.
2464 2000-01-04 Matthew Hiller <hiller@redhat.com>
2466 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2467 for TARGET_SH3E.
2469 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2471 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2472 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2474 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2476 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2477 (flag_short_double, flag_short_wchar): Define.
2478 (c_common_nodes_and_builtins): Create many tree nodes shared
2479 between C and C++ here instead of in cp/decl.c and ...
2480 * c-decl.c (init_decl_processing): ... here.
2481 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2482 (flag_short_double, flag_short_wchar): Don't define.
2483 (record_builtin_type): New function.
2484 (build_void_list_node): New function.
2485 * c-common.h (flag_short_double, flag_short_wchar,
2486 record_builtin_type, build_void_list_node): Declare.
2488 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2490 * integrate.c (expand_inline_function): Don't put a virtual
2491 register into the reg map.
2493 * function.c (fixup_var_refs_1): If force_operand didn't put
2494 the address into the target, move it there.
2496 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2498 Special-case tree_decl/tree_list allocations.
2499 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2500 (OBJECT_SIZE): New macro.
2501 (NUM_EXTRA_ORDER): Likewise.
2502 (extra_order_size_table): New variable.
2503 (NUM_ORDERS): New macro.
2504 (objects_per_page_table): New variable.
2505 (object_size_table): New variable.
2506 (G.pages): Use NUM_ORDERS to bound the array.
2507 (G.page_tails): Likewise.
2508 (DIV_ROUND_UP): Remove.
2509 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2510 (alloc_page): Use OBJECT_SIZE.
2511 (size_lookup): Don't make it const.
2512 (ggc_alloc): Use OBJECT_SIZE.
2513 (ggc_set_mark): Likewise.
2514 (ggc_get_size): Likewise.
2515 (init_ggc): Set up the object_size_table, objects_per_page_table,
2516 and adjust size_lookup.
2517 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2518 (ggc_pop_context): Use NUM_ORDERS.
2519 (clear_marks): Likewise.
2520 (sweep_pages): Likewise.
2521 (poison_pages): Likewise.
2522 (ggc_print_statistics): Use OBJECT_SIZE.
2524 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2526 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2527 Only call array_size_for_constructor if last field and array type
2528 with no upper bound.
2530 2001-01-04 Philip Blundell <philb@gnu.org>
2532 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2533 from bit 31 downwards, if this requires no more insns.
2534 (count_insns_for_constant): New helper function for above.
2536 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2538 * gencodes.c (output_predicate_decls): Remove empty initializer.
2540 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2542 * tree.c (copy_node): Remove documentation about obstacks.
2543 (buidl1): Check that nobody tries to build 2-argument nodes this
2544 way.
2546 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2548 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2549 fp_high_losum_p.
2551 * gencodes.c (output_predicate_decls): Fill empty initializer
2552 braces.
2554 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2556 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2557 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2558 or -MM.
2559 (do_include): Handle missing headers like cpp0.
2560 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2561 paths with first include pathname. Don't strcat to uninitialized
2562 string.
2564 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2566 * regrename.c (regrename_optimize): Don't rename from frame pointer
2567 if frame_pointer_needed.
2568 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2569 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2570 (ia64_reorg): Use it instead of scheduling if ! optimize.
2571 (errata_emit_nops): Properly call asm_noperands.
2572 (ia64_sched_reorder): Finish cycle if we see an asm.
2573 (ia64_variable_issue): Clear scheduling state after asms.
2575 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2577 * cpp.texi: Update for -MT.
2578 * cppinit.c (initialize_dependency_output): Add a default
2579 target if none has been given already.
2580 (no_tgt, OPT_MT): New.
2581 (cpp_handle_option): Handle -MT. Update -M etc.
2582 * cpplib.h (struct cpp_options): Remove deps_target.
2583 * gcc.c (cpp_options): Handle -MT.
2584 * mkdeps.c (struct deps): Move from mkdeps.h.
2585 (deps_calc_target): Rename deps_add_default_target. Add a
2586 default target if none has been specified already.
2587 * mkdeps.h (struct deps): Move to mkdeps.c.
2588 (deps_calc_target): Rename deps_add_default_target.
2590 2000-01-03 Richard Henderson <rth@redhat.com>
2592 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2593 Remove dead code.
2594 * c-typeck.c (push_init_level): Move checks for flexible array
2595 members and zero length arrays ...
2596 (pop_init_level): ... here. Silently discard empty initializations.
2597 Remove dead code.
2598 * varasm.c (output_constructor): Update for sizeof change to
2599 zero-length arrays.
2601 * extend.texi (Zero Length): Clarify semantics.
2603 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2605 * configure.in (tm.h): Include isns-codes.h last.
2606 * configure: Rebuilt.
2608 2001-01-03 Richard Henderson <rth@redhat.com>
2610 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2611 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2613 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2615 * tradcpp.c (main): Make sure finclude() is called with a valid
2616 indepth value while handling -include.
2618 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2620 * gencodes.c (output_predicate_decls): New function.
2621 (main): Call it.
2622 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2623 even if it is not the first time machmode.h is #included.
2624 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2625 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2626 * gcc.texi (Copyright): Added 2001.
2628 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2630 * c-common.c (c_common_lang_init): New function. Warn if format
2631 warning options which only have effects when used with -Wformat
2632 are used without -Wformat.
2633 * c-common.h (c_common_lang_init): Declare.
2634 * c-lang.c (lang_init): Call c_common_lang_init.
2635 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2637 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2639 * configure.in: Check for the mktemp command.
2640 * configure: Regenerate.
2641 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2642 $TEMP. Create temporary files with mktemp, if available at
2643 configure time; otherwise use set -C. Remove temporary files
2644 before exit.
2646 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2648 * configure.in: Require at least texinfo 4.0. Check for whether
2649 Pod::Man is sufficiently recent to regenerate GCC manpages.
2650 * configure: Regenerate.
2651 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2652 on #!.
2653 (GENERATED_MANPAGES): Define.
2654 (generated-manpages): New target. Depend on cpp.1 as well as
2655 gcov.1.
2656 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2657 configure to generated-manpages or empty) rather than on the
2658 manpages directly. Remove execute permission from installed
2659 gcov.1 as well as cpp.1.
2660 * cpp.1, gcov.1: Regenerate.
2662 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2664 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2665 tree_low_cst. Allow using cmpstrsi in more cases.
2667 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2669 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2670 sized types.
2672 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2674 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2675 * Makefile.in (HOST_CFLAGS): Mention build-make.
2677 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2679 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2680 as JUMP_INSN.
2682 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2684 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2685 a REG rtx.
2687 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2688 callers changed.
2690 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2691 reg_base_value and reg_known_value arrays.
2692 (init_alias_analysis): Add more cases to detect known values.
2693 * sched-deps.c (deps_may_trap_p): New function.
2694 (sched_analyze_2): Use it.
2696 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2698 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2699 don't discard an ASHIFTRT if we're shifting in a wider mode.
2701 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2703 * toplev.c (rest_of_compilation): Don't print basic block information
2704 when CFG isn't up to date.
2706 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2708 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2709 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2710 (UNALIGNED_SHORT_ASM_OP): Define.
2711 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2713 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2715 * fold-const.c (fold_convert): Fix typo.
2717 2001-01-02 Richard Henderson <rth@redhat.com>
2719 * c-common.h (ASM_INPUT_P): New.
2720 * c-parse.in (asm): Set it when needed.
2721 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2722 existance of an operand.
2724 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2726 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2727 (dwarf2out_frame_debug_expr): Likewise.
2728 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2730 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2732 * i386.c (ix86_split_to_parts): Return number of part required;
2733 handle TFmodes.
2734 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2735 TFmodes.
2736 (ix86_split_long_move): Use number of part returned
2737 by ix86_split_to_parts
2738 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2739 New macros.
2740 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2741 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2742 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2743 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2744 (ALIGN_MODE_128): Add TFmode.
2745 (IS_STACK_MODE): Likewise.
2746 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2747 (HARD_REGNO_OK): Support TFmodes.
2748 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2749 * i386.md (scheduler definitions): Use memory operand to determine
2750 fst/fld instructions; use mode attribute to determine real mode of
2751 the instruction.
2752 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2753 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2755 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2757 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2759 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2761 * expr.c (store_constructor_field): Update ALIGN before calling
2762 store_constructor.
2764 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2766 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2767 host_integerp.
2769 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2771 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2772 incomplete type.
2774 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2776 * c-decl.c (start_function): Don't warn on third parameter to main.
2778 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2780 * tsystem.h: Define HAVE_DECL_GETOPT.
2782 2001-01-02 Philip Blundell <pb@futuretv.com>
2784 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2785 of input operand.
2787 2001-01-02 Richard Henderson <rth@redhat.com>
2789 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2791 2001-01-02 Andreas Jaeger <aj@suse.de>
2793 * c-decl.c (c_decode_option): Remove support of
2794 -Wmissing-noreturn.
2796 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2797 (W_options): Add -Wmissing-noreturn here.
2799 * flow.c: Define lang_missing_noreturn_ok_p.
2800 (check_function_return_warnings): Use it.
2802 * c-common.h: Declare lang_missing_noreturn_ok_p.
2804 * c-lang.c (c_missing_noreturn_ok_p): New function.
2805 (lang_init): Set lang_missing_noreturn_ok_p.
2807 * invoke.texi (Warning Options): Document this.
2809 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2811 * extend.texi (C++ Extensions): New node for C++ attributes;
2812 describe init_priority and com_interface.
2813 * invoke.texi: Remove -finit-priority as it now has zero effect.
2814 * install.texi: Fix xref syntax.
2815 * md.texi: Likewise.
2817 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2819 * config.gcc (sparc64-wrs-vxworks*): New case.
2820 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2822 * config/sparc/sparc.c (sparc_override_options): Do support different
2823 pointer and architecture size.
2824 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2825 (POINTERS_EXTEND_UNSIGNED): Define.
2826 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2827 (FUNCTION_MODE): Define to be Pmode.
2828 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2830 * function.c (expand_function_end): Properly handle DECL_RESULT
2831 and copy when ptr_mode != Pmode.
2832 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2834 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2836 * c-common.c (c_common_nodes_and_builtins): Set prototype
2837 parameters for __builtin_fputs, __builtin_fputc and
2838 __builtin_fwrite. Don't declare plain fputc as a builtin.
2840 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2842 * loop.c (add_label_notes): Increment the label usage count when
2843 a note is added to an insn which refers to a CODE_LABEL.
2844 * gcse.c (add_label_notes): Likewise.
2846 2001-01-01 Andreas Jaeger <aj@suse.de>
2848 * loop.c (scan_loop): Use xmalloc to allocate movables.
2850 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2852 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2853 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2854 * reload1.c (REGISTER_MOVE_COST): Likewise.
2855 * regclass.c (REGISTER_MOVE_COST): Likewise.
2856 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2857 dimension. Adjust all users.
2858 (init_reg_sets_1): Iterate on all modes.
2859 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2860 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2861 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2862 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2863 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2864 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2865 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2866 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2867 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2868 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2869 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2870 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2871 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2872 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2873 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2874 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2875 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2876 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2877 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2878 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2879 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2880 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2881 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2882 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2883 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2884 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2885 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2887 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2889 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2890 arg VARIES_P. Call it with extra arg.
2891 (true_dependence): Likewise.
2892 * rtl.h (rtx_addr_can_trap_p): Declare.
2893 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2894 prototypes.
2895 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2896 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2897 pic offset table register if it's zero. All callers changed.
2898 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2900 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2902 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2903 STRING_POOL_ADDRESS_P.
2905 * config/sparc/sparc.c (input_operand): Properly test for short op.
2907 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2908 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2909 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2910 * config/sparc/elf.h: No longer include sol2.h.
2911 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2912 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2914 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2916 2001-01-01 Michael Hayes <mhayes@redhat.com>
2918 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2919 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2920 (record_initial): Likewise.
2921 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2922 (remap_split_bivs): Likewise.
2924 2001-01-01 Michael Hayes <mhayes@redhat.com>
2926 * loop.c (loop_ivs_free): New function.
2927 (strength_reduce): Break out from...
2929 2001-01-01 Michael Hayes <mhayes@redhat.com>
2931 * loop.h (struct iv): New.
2932 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2933 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2934 'reg_biv_class' fields with 'regs' and 'n_regs'.
2935 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2936 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2937 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2939 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2941 * resource.c (mark_referenced_resources): Abort() before
2942 attempting to mark a pseudo register.
2943 (mark_set_resources): Likewise.
2945 2001-01-01 Michael Hayes <mhayes@redhat.com>
2947 * loop.h (REG_IV_CLASS): New accessor macro.
2948 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2949 * unroll.c (REG_IV_CLASS): Likewise.
2951 See ChangeLog.4 for earlier changes.