1 2001-01-26 Richard Henderson <rth@redhat.com>
3 * stmt.c (cost_table): Remove.
4 (COST_TABLE, cost_table_initialized): New.
5 (estimate_case_costs): Use the later instead of the former.
6 (balance_case_nodes): Likewise.
8 2001-01-26 Richard Henderson <rth@redhat.com>
10 * alias.c (objects_must_conflict_p): Read-only slots may not
11 conflict despite having the same type.
13 2001-01-27 Michael Hayes <mhayes@redhat.com>
15 * loop.c (loop_giv_reduce_benefit): Copy mode size into
17 (check_ext_dependant_givs): Initialise u_start_val and
19 (load_mems): Make last_max_reg unsigned.
20 (try_swap_copy_prop): Use INSN_P and initialise set.
22 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
24 * README.AVR : Removed.
26 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
28 * pa-64.h (text_section): Remove declaration.
30 * pa.md (return_internal): Remove mode on PIC register use.
32 2001-01-25 lars brinkhoff <lars@nocrew.org>
34 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
35 ASM_CLOSE_PAREN): fix typos.
37 2001-01-25 Mark Mitchell <mark@codesourcery.com>
39 * acconfig.h: Define `const' to the empty string if neither
40 __STDC__ nor __cplusplus is defined.
41 * config.in: Regenerated.
43 2001-01-25 David Edelsohn <edelsohn@gnu.org>
45 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
46 * collect2.c (main): Delete importf. Add ".obj" file extension.
47 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
48 (aix_std_libs): Add additional AIX libraries to skip.
49 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
50 * config/rs6000/aix51.h: New file.
52 2001-01-25 Michael Hayes <mhayes@redhat.com>
54 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
55 (loop_insn_emit_before): No longer static.
56 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
57 (loop_givs_rescan, load_mems): Likewise.
58 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
59 (maybe_eliminate_biv_1):
60 (move_movables): Replace emit_call_insn_before with
62 * loop.h (loop_insn_emit_before): Add.
63 * unroll.c (copy_loop_body): Replace emit_insn_before with
64 loop_insn_emit_before.
66 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
68 * diagnostic.c (fatal): Request preprocessed source.
70 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
72 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
73 olddecl has argument types and newdecl has none, use the argument
76 2001-01-24 Ulrich Drepper <drepper@redhat.com>
78 * dwarf2out.c (prefix_of): New function. Determine longest common
79 prefix of the two arguments. The units are whole path components.
80 (output_file_names): When adding a new directory find the one entry
81 with the longest common prefix already in the list. Artificially
82 generate entry if there is none for this prefix.
83 Fix test to check whether the zeroth directory entry is used.
85 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
87 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
88 Changed all callers. Take it into account when deciding if a
89 previously loaded value matches.
91 2001-01-24 Richard Henderson <rth@redhat.com>
93 * reload.c (find_reloads_subreg_address): Fail the substitution
94 if the resulting address is insufficiently aligned.
96 2001-01-24 DJ Delorie <dj@redhat.com>
98 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
99 check the original operand's mode also.
100 * simplify-rtx.c (simplify_ternary_operation): Ditto.
102 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
104 * c-parse.in (cast_expr): Move compound literals from here ...
105 (primary): ... to here. Use standard terminology "compound
106 literal" instead of "constructor expression".
108 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
110 * gcc.1, cpp.1: Regenerate.
112 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
114 * calls.c (emit_library_call_value_1): Memory slot for
115 pass-by-reference argument should have the mode of the argument,
116 not of the pointer to it.
118 2001-01-24 Tom Tromey <tromey@redhat.com>
120 * gcc.texi (G++ and GCC): Mention gcj manual.
121 (Standards): Link to section of manual mentioning gcj/Java
124 2001-01-24 Jakub Jelinek <jakub@redhat.com>
126 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
127 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
128 * tradcpp.c (main): Add -imacros or -include'd dependencies
130 * cpp.texi (-M, -MM): Document -M -include behaviour.
132 2001-01-24 Roger Collins <roger@ProProject.com>
134 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
136 2001-01-24 Will Cohen <wcohen@redhat.com>
138 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
139 whether registers are 32 bits or 64 bits in size.
141 2001-01-24 Ben Elliston <bje@redhat.com>
143 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
145 2001-01-24 Richard Henderson <rth@redhat.com>
147 * config/alpha/alpha.md (builtin_longjmp_internal): New.
148 (builtin_longjmp): Use it instead of emit_indirect_jump.
150 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
152 * bb-reorder.c (make_reorder_chain_1): Handle case where
153 jump edge goes to the same block as the fallthru edge.
155 2001-01-23 Jim Wilson <wilson@redhat.com>
157 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
158 * frame.h (__ia64_personality_v1): Add prototype.
159 * libgcc2.c (ia64_throw_helper): Change personality declaration to
160 prototype form. Add void * cast to first argument to personality
162 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
163 (asctoe113): Likewise.
164 * config/ia64/frame-ia64.c: Include eh-common.h.
165 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
167 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
169 (itanium_split_issue): Add prototype.
170 (gen_nop_type): Ifdef out.
171 (find_best_packet): Initialize best_packet.
172 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
174 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
175 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
176 (flushrs): Add explicit stop bit at end.
177 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
180 2001-01-23 Chris Demetriou <cgd@broadcom.com>
182 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
184 * libgcc2.c (__terminate_func): Make variable static.
185 (__terminate_set_func): New function to set __terminate_func.
186 * libgcc2.h (__terminate_func_ptr): New typedef.
187 (__terminate_set_func): New function.
189 2001-01-23 Richard Henderson <rth@redhat.com>
191 * flow.c (init_propagate_block_info): Don't consider unchanging
192 memories for dead frame store elimination.
194 2001-01-23 Richard Henderson <rth@redhat.com>
196 * varasm.c (UNIQUE_SECTION): Move default implementation ...
197 * defaults.h: ... here.
199 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
201 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
203 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
205 * c-lex.c (lex_charconst): Fix typo: s/p/str.
207 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
209 * rs6000.h (rs6000_return_addr): Move prototype from here...
210 * rs6000-protos.h (rs6000_return_addr): ...to here.
211 (rs6000_init_expanders): Delete prototype.
213 2001-01-23 Nick Clifton <nickc@redhat.com>
215 * invoke.texi: Replace , with \, inside @gccoptlist macros.
216 (Spec Files): Document %B and %j and %. and %v3 and %M and
217 %{S*&T} spec switches.
219 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
221 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
223 2001-01-23 Chris Demetriou <cgd@sibyte.com>
224 Neil Booth <neil@daikokuya.demon.co.uk>
226 * cpperror.c: Merge handlers of PEDWARN and WARNING.
227 Have -Werror make pedantic warnings errors, like the
230 2001-01-23 Phil Edwards <pme@sources.redhat.com>
232 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
234 2001-01-23 Jakub Jelinek <jakub@redhat.com>
236 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
237 * integrate.c (expand_inline_function): Initialize them.
238 (subst_constants): If changing COMPARE so that both its arguments
239 will be VOIDmode and the comparison mode will be lost, note
240 compare_mode. Use the recorded compare_mode to optimize
243 2001-01-23 Jason Merrill <jason@redhat.com>
245 * dwarf2out.c (new_die): Use xcalloc.
246 (output_die): Abort rather than emit a local reference to offset 0.
248 2001-01-17 Andrew Haley <aph@redhat.com>
250 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
251 of a saved register; return NULL instead.
252 (copy_reg): Take a pointer to a source register rather than a
254 (next_stack_level): Remember the address in the stack frame of all
256 Use the saved register pointer array as the source of the CFA.
257 (throw_helper): Rewrite. Unwind once rather than twice and keep
258 track of saved registers as we go.
260 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
262 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
263 * c4x.c (c4x_legitimize_reload_address): Remove.
264 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
265 reload address for ldp(k) insn.
267 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
269 * pa.md (return_internal): Add a USE of the PIC register to ensure
270 it is restored after each call.
271 (return expander): Corresponding changes.
273 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
275 * rs6000.h (INIT_EXPANDERS): Delete.
276 (RETURN_ADDR_RTX): Call rs6000_return_addr().
277 * rs6000.c (rs6000_override_options): Call *_machine_status from
279 (rs6000_init_expanders): ...instead of here. Delete.
280 (rs6000_mark_machine_status): New function.
281 (rs6000_init_machine_status): Use xcalloc.
282 (rs6000_return_addr): Generate RTX for the return address.
283 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
284 (rs6000_stack_info): Use it.
286 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
288 * gthr-win32.h: Include errno.h to get a declaration for
289 EINVAL and _mingw.h if the target is mingw32.
291 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
293 * cpp.texi: Correct typos.
295 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
297 * explow.c (probe_stack_range): Ensure value passed to
298 stack_check_libfunc is ptr_mode, not Pmode.
300 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
302 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
303 case, don't use operand_subword to calculate a SUBREG that is
306 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
308 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
310 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
311 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
312 valid. If not replace it by equivalent insns.
314 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
316 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
317 contains SYMBOL_REF, LABEL_REF and CONST_INT.
318 (c4x_U_constraint, symbolic_address_operand): Likewise.
319 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
321 (c4x_r11_set_p, c4x_check_laj_p): New functions.
322 * c4x-protos.h (c4x_check_laj_p): Add prototype.
323 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
324 anulling slot because of silicon bug.
325 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
327 2001-01-22 Alan Modra <alan@linuxcare.com.au>
329 * cppexp.c (parse_charconst): Change `mask' type to agree
332 2001-01-21 Richard Henderson <rth@redhat.com>
334 * config/i386/i386.c (ix86_asm_file_end): Disable putting
335 pic_label_name in a linkonce section.
337 2001-01-17 Philipp Thomas <pthomas@suse.de>
339 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
341 * configure: Regenerate.
343 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
345 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
346 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
348 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
350 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
351 If REVERSE nonzero then condition code in X must be reversed.
352 (encode_section_info): Optimise if/else.
353 (avr_function_value): Fix formatting.
355 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
356 (difficult_branch): Likewise.
357 (rvbranch): Likewise.
358 (difficult_rvbranch): Likewise.
360 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
362 * config/avr/libgcc.S: Fix comment.
364 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
366 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
368 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
370 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
372 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
374 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
375 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
376 * configure, config.in: Regenerate.
377 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
378 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
379 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
380 (doprint.o): New rule.
382 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
384 * c-typeck.c (digest_init): Handle boolean types as scalars.
386 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
388 * stmt.c (expand_return): Don't return anything if size is zero.
389 Delete redundant assignment to BYTES.
390 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
392 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
394 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
395 the same as the default library function names.
396 * config/avr/avr.md: Document special characters after '%'.
397 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
398 knowing which of the call-used registers are really clobbered.
399 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
400 New. Both quotient and remainder from one libgcc.S call.
401 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
402 clobber as few registers as possible.
403 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
405 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
407 * cppmacro.c (funlike_invocation_p): Don't move back up to the
408 context of the top of the stack.
410 2001-01-20 Jakub Jelinek <jakub@redhat.com>
412 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
413 (fixup_var_refs_insns): ...here.
415 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
417 * function.c (fixup_var_refs_insns): Break up into
418 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
419 [loop over entire insn list], and fixup_var_refs_insns_with_hash
420 [loop over hash table entries].
421 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
422 fixup_var_refs_insns_with_hash, to match above changes.
424 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
426 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
427 (libgcc.a): Likewise.
428 (stmp-multilib): Likewise.
429 (STAGE2_FLAGS_TO_PASS): Likewise.
431 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
433 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
434 temporary if no_new_pseudos.
436 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
438 * cppinternals.texi: Update.
440 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
442 * arm.c (arm_init_builtins): Re-enable builtins.
444 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
446 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
447 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
448 element to be null, and always expect an EXPR_LIST.
449 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
450 * sched-deps.c (sched_analyze_1): Likewise.
451 * sched-rgn.c (check_live_1, update_live_1): Likewise.
453 * regclass.c (max_set_parallel): New variable.
454 (reg_scan): Take it into account in computation of max_parallel.
455 (reg_scan_mark_refs, case SET): Compute it.
457 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
459 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
460 * function.c (assign_parms): Use INTVAL for a CONST_INT.
462 2001-01-19 Jason Merrill <jason@redhat.com>
464 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
465 for the abstract instance of an inline function.
467 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
468 J"orn Rennecke <amylaar@redhat.com>
470 * reload1.c (move2add_note_store): Treat all registers directly or
471 indirectly derived from a base register as members of the same set
473 (reload_cse_move2add): Adjust accordingly. Take mode and offset
474 of base register into account.
476 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
478 * alias.c (find_base_value): Recognize TRUNCATE.
479 (record_set): In PLUS case, invalidate if other summand is also a
482 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
484 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
485 entry to be EXPR_LIST.
486 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
487 be an EXPR_LIST (but not null, which other code doesn't allow).
488 (note_stores): Properly handle PARALLEL in SET.
489 Recursively call for top-level PARALLEL.
490 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
491 * sched-rgn.c (check_live_1, update_live_1): Likewise.
493 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
495 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
497 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
498 not pfile->skipping (== 0).
500 2001-01-17 Nick Clifton <nickc@redhat.com>
502 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
505 2001-01-17 Jim Wilson <wilson@redhat.com>
507 * invoke.texi (IA-64 options): Improve.
509 2001-01-17 Tom Tromey <tromey@redhat.com>
511 * invoke.texi (Optimize Options): Use `{}' to around @samp
514 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
516 * invoke.texi (-fno-guess-branch-probability): New option.
518 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
520 * combine.c (try_combine): Don't set i3_subst_into_i2 for
521 case of making new double-word constant.
522 Revert last change: instead just test i3_subst_into_i2.
524 2001-01-17 Jakub Jelinek <jakub@redhat.com>
526 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
527 Use q constraints instead of r.
529 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
531 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
532 (machine_function): Define.
533 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
534 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
535 pa_free_machine_status): New functions.
536 (override_options): Set {init,mark,free}_machine_status to above.
537 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
538 PIC_OFFSET_TABLE_REGNUM_SAVED.
539 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
540 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
541 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
542 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
543 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
545 2001-01-15 DJ Delorie <dj@redhat.com>
547 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
551 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
553 * flow.c (propagate_on_insn): Make trying to delete a prologue
554 or epilogue insn an ICE, not a warning. Allow doing this if
555 the current function returns with stack pointer depressed.
557 * combine.c (try_combine): If i3_subst_into_i2, properly check for
558 I3 having more than one SET.
560 2001-01-16 Jim Wilson <wilson@redhat.com>
562 * invoke.texi: Document IA-64 options.
564 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
565 (fixup_errata): Delete TARGET_A_STEP use.
566 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
567 (TARGET_SWITCHES): Delete -ma-step option.
568 * config/ia64/ia64.md (all FP patterns): Delete %B0.
569 (movqicc_astep, movqi_internal_astep, movhicc_astep,
570 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
571 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
572 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
573 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
575 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
576 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
577 cmovsi_internal): Delete ! TARGET_A_STEP check.
579 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
581 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
582 possibility to report bugs via postal mail. Change a URL and
583 merge in a nearly duplicate statement...
584 (Bug Reporting): ...from here.
585 (Service): Refer to the Bug Reporting section instead of
587 (Contributing): Remove trivial explanations concerning snapshots.
589 2001-01-16 Alan Modra <alan@linuxcare.com.au>
591 * cppmain.c (general_init): Don't use ANSI prototype.
593 2001-01-16 Tom Tromey <tromey@redhat.com>
595 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
597 2001-01-16 Richard Henderson <rth@redhat.com>
599 * config/i386/i386.h: Fix comment typo.
600 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
601 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
603 2001-01-16 Phil Edwards <pme@sources.redhat.com>
605 * gcc.c: Revert previous -fsyntax-only-related change; move
608 2001-01-16 Jakub Jelinek <jakub@redhat.com>
610 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
611 inmode after checking GET_CODE (op).
613 2001-01-16 Richard Henderson <rth@redhat.com>
615 * flow.c (struct propagate_block_info): Add mem_set_list_len.
616 (MAX_MEM_SET_LIST_LEN): New.
617 (propagate_one_insn): Update mem_set_list_len.
618 (invalidate_mems_from_autoinc): Likewise.
619 (invalidate_mems_from_set): Likewise.
620 (mark_used_regs): Likewise.
621 (init_propagate_block_info): Likewise. Stop collecting memories
622 when we reach MAX_MEM_SET_LIST_LEN.
623 (mark_set_1): Likewise.
625 2001-01-16 Richard Henderson <rth@redhat.com>
627 * unroll.c (precondition_loop_p): Fail if no iteration
630 2001-01-16 Phil Edwards <pme@sources.redhat.com>
632 * gcc.c: When -fsyntax-only is given, do not complain about
635 2001-01-15 Richard Henderson <rth@redhat.com>
637 * config/i386/i386.c (asm_output_function_prefix): Remove.
638 (ix86_asm_file_end): New.
639 (load_pic_register): Generate pic_label_name into a
640 staticly allocated buffer.
641 * config/i386/i386-protos.h: Update.
642 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
644 * config/i386/i386afe.h: New file.
645 * config.gcc (i?86-*-elf) [tm_file]: Use it.
646 (i?86-*-{freebsd,linux*,moss*}): Likewise.
647 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
648 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
649 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
650 * config/i386/sco5.h (ASM_FILE_END): Likewise.
651 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
653 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
655 * Makefile.in (install-man): Remove explicit dependency on
658 * configure.in, configure: Revert previous patch requiring perl
661 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
663 * toplev.c (flag_guess_branch_prob): New.
664 (f_options): Add guess-branch-probability option.
665 (rest_of_decl_compilation): Only estimate branch probability if
667 (main): set flag_guess_branch_prob.
669 * flags.h (flag_guess_branch_prob): New.
671 2001-01-15 DJ Delorie <dj@redhat.com>
673 * gcc.texi (Makefile): Add documentation for Makefile targets.
675 2001-01-15 Philip Blundell <philb@gnu.org>
677 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
679 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
680 (is_pic): Delete declaration.
681 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
682 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
683 * config/arm/arm.md (builtin_setjmp_receiver): New.
685 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
687 * arm.c (use_return_insn): Don't try to determine the function type
688 until after reload has completed.
689 (arm_output_epilogue): Don't adjust the sp value recovered from the
691 (emit_multi_reg_push): Don't record dwarf information for the pc.
692 * arm.md (eh_epilogue): The function type may have changed, so it
693 needs to be recalculated.
694 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
695 unwind tables on arm/netbsd.
697 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
699 * arm.md (cbranchsi4): Correct calculation of branch ranges.
700 (negated_cbranchsi4): Likewise.
702 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
704 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
705 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
706 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
707 pass -mapcs-* options to assembler.
708 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
709 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
710 (ASM_SPEC): Call subtarget_extra_asm_spec.
712 2001-01-15 Andreas Jaeger <aj@suse.de>
714 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
716 (ix86_expand_builtin): Likewise.
718 * gencodes.c (output_predicate_decls): Make i size_t to avoid
719 warning about comparison between signed and unsigned.
721 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
723 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
725 2001-01-14 Ralf Baechle <ralf@gnu.org>
727 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
728 SUBTARGET_CPP_SPEC apropriatly.
730 2001-01-12 Mark Mitchell <mark@codesourcery.com>
732 * varasm.c (make_decl_rtl): Fix typo in last change.
734 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
736 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
737 linker supports the init_priority C++ attribute.
738 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
739 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
740 linker does not support init_priority C++ attribute.
742 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
744 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
746 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
748 * c-parse.in (finish_parse): Add comment about cpp_destroy.
749 * cp/lex.c (finish_parse): Similarly.
750 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
751 Return the number of errors encountered.
752 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
753 * cppmain.c (main): Don't call cpp_destroy.
755 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
757 * configure.in: Require at least perl 5.6.0 to regenerate
759 * configure: Regenerate.
761 2001-01-14 Richard Henderson <rth@redhat.com>
763 * genrecog.c (DT_veclen_ge): New.
764 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
765 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
766 (nodes_identical_1): Handle DT_veclen_ge.
767 (write_cond, debug_decision_2): Likewise.
769 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
771 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
773 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
775 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
777 * cppmain.c (do_preprocessing): New function; most of the old
779 (main): Call it to do most of the work.
780 (cb): Move from global scope to set_callbacks ().
781 (setup_callbacks): Get the callback pointer.
782 (general_init, printer_init): Clean up code and comments.
784 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
786 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
789 2001-01-14 Kazu Hirata <kazu@hxi.com>
791 * config/h8300/h8300.c (get_shift_alg): Update comments.
793 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
795 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
796 (alloc_page, ggc_alloc): Add casts to remove warnings.
798 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
800 * combine.c (simplify_comparison): Don't change `code' when
801 can't reverse comparison.
803 2001-01-14 Richard Henderson <rth@redhat.com>
805 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
806 update all call sites. Return true for all non-label constants.
808 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
810 * i386.c (ix86_expand_compare): Add bypass_test and second_test
812 (ix86_expand_branch): Update.
813 (ix86_expand_setcc): Update to handle multiple test conditions.
814 (expand_int_movcc): Likewise.
815 (expand_fp_movcc): Likewise.
816 * i386-protos.h (ix86_expand_compare): New.
817 * i386.md (andqi_?_slp, orqi_?_slp): New.
818 (conditional trap expander): Update call to ix86_expand_compare.
820 2001-01-14 Richard Henderson <rth@redhat.com>
822 * config/vax/vax.md: Use nonimmediate_operand instead of
823 general_operand in destinations.
825 * config/vax/vax.md (indirect_jump): Use register_operand.
827 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
828 * config/vax/vax.md (call_pop): Turn into an expander.
829 (call_value_pop): Likewise.
830 (call, call_value): New.
832 2001-01-14 Andreas Jaeger <aj@suse.de>
834 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
836 (ix86_fp_compare_mode): Add unused attribute.
837 (ix86_expand_fp_movcc): Remove unused variable.
838 (ix86_expand_builtin): Make fcode unsigned.
840 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
841 (expand_expr): Add cast to avoid signed warning.
842 (store_field): Likewise.
843 (store_constructor_field): Likewise.
844 (store_constructor): Likewise.
845 (store_expr): Likewise.
846 (clear_storage): Likewise.
847 (emit_group_store): Likewise.
848 (emit_group_load): Likewise.
850 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
852 * c-common.c: Move format checking code to ...
853 * c-format.c: ... here. New file. Reorder some functions and
855 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
857 * c-common.h (decl_handle_format_attribute,
858 decl_handle_format_arg_attribute): Declare.
859 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
860 (c-common.o): Adjust dependencies.
861 (c-format.o): New list of dependencies.
863 2001-01-13 Jakub Jelinek <jakub@redhat.com>
865 * unroll.c (loop_iterations): If we cannot prove iteration variable
866 is set once in each iteration, punt.
868 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
870 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
871 (*strlenhi): Remove clobber (which was buggy) of output address.
873 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
875 * Makefile.in (generated-manpages): Add gcc.1
876 ($(srcdir)/gcc.1): New target.
877 (maintainer-clean): Delete $(srcdir)/gcc.1.
878 * gcc.texi: Add macros @gccoptlist and @gol.
879 * invoke.texi: Include option summary in manpage. Mark up option
880 summary with @gccoptlist and @gol. Use @r in one place where
882 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
883 * gcc.1: Generate from invoke.texi.
885 2001-01-13 Richard Henderson <rth@redhat.com>
887 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
888 (struct page_entry): Add group member.
889 (struct page_group): New.
890 (struct globals): Add page_groups member.
891 (alloc_anon): Only define for using mmap; remove valloc call.
892 (page_group_index): New.
893 (set_page_group_in_use): New.
894 (clear_page_group_in_use): New.
895 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
896 (free_page, release_pages): Likewise.
897 * configure.in (with-gc): Default to ggc-page always.
899 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
901 * reload1.c (replace_pseudos_in_call_usage): Use
902 reg_equiv_constant and reg_equiv_address, and don't try
905 2001-01-13 Richard Henderson <rth@redhat.com>
907 * ggc-page.c (alloc_page): Round up allocation size to one page.
908 Set e->order on extra pages.
910 2001-01-13 Richard Henderson <rth@redhat.com>
912 * genrecog.c (nodes_identical): Expand commentary.
913 (write_switch): Watch out for identical nodes.
915 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
917 * cppfiles.c (_cpp_fake_include): New function.
918 * cpphash.h (_cpp_fake_include): New.
919 * cpplib.c (do_line): Call _cpp_fake_include when entering
920 header files in preprocessed input.
921 * cppmain.c (cb_pragma_implementation): Remove handling.
922 (setup_callbacks): Don't register pragmas.
924 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
926 * extend.texi: Udate for CPP.
928 2001-01-13 Andreas Jaeger <aj@suse.de>
930 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
932 * regmove.c: Add prototype for replace_in_call_usage.
934 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
936 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
937 struct cpp_chunk, struct htab, struct toklist,
938 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
939 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
940 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
941 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
942 (struct macro_args): Delete.
943 * cpphash.h: See above.
945 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
947 * cppmain.c (struct printer): Remove no_line_dirs.
949 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
950 : Use options rather than CPP_OPTION.
951 (setup_callbacks): Use cb rather than pfile->cb.
952 (main): No need to check for a buffer. Use cpp_errors.
953 (printer_init): Don't set no_line_dirs.
954 (maybe_print_line): Use options not no_line_dirs.
955 (cb_file_change): Don't call print_line if -P.
957 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
959 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
961 * c-parse.in (finish_parse): Use cpp_errors.
962 (__yylex): Use return value of cpp_pop_buffer.
963 * cp/lex.c (finish_parse): Use cpp_errors.
964 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
966 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
968 * README.AVR: URLs corrected.
970 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
972 * c-decl.c (start_function): Don't warn if old prototype is builtin
973 that's not in C's namespace.
974 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
975 (_bb): Add prototype for ctime.
976 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
978 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
980 * i386.c (ix86_fp_comparison_arithmetics_cost,
981 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
982 ix86_fp_comparison_cost): New functions.
983 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
984 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
985 two-branch sequences; make static.
986 (ix86_use_fcomi_compare): Do decision according to the costs.
987 (split_fp_branch): New.
988 * i386.md (compare-and-branch patterns): Use split_fp_branch.
989 * i386-protos.h (ix86_expand_fp_compare): Remove
990 (ix86_split_fp_branch): Declare.
992 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
993 and ix86_comparison_operator.
995 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
998 * i386.c (put_condition_code): Output properly the unordered/ordered
1000 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1002 * tm.texi (REVERSE_CONDITION): Document.
1003 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1004 in -ffast-math mode.
1005 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1007 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1009 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1011 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1014 * config/sh/sh.c (mova_p): Fix test for mova_const.
1016 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1018 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1019 cpp_get_options rather than dereferencing pfile and using
1021 * scan-decls.c (scan_decls): Use return value of
1022 cpp_pop_buffer rather than CPP_BUFFER.
1024 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1026 * cppinit.c (cpp_handle_option): help_only is now part of the
1027 cpp_options structure.
1028 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1029 cpp_set_callbacks): New functions.
1030 * cpplib.h (cpp_callbacks): Break out as a named structure.
1031 (cpp_options): Move help_only here from cpp_reader.
1032 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1033 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1034 cpp_set_callbacks): New prototypes.
1035 * cppmain.c (main): Update for help_only.
1037 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1039 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1040 Also build and remove and install and uninstall c-tree.info and
1042 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1043 ($(srcdir)/cppinternals.info): New target.
1044 * c-tree.texi: Change file name used when makeinfo used without -o
1045 from ir.info to c-tree.info. Add info directory entry.
1046 * cppinternals.texi: Add info directory entry.
1047 * .cvsignore: Update.
1049 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1051 * c-typeck.c (store_init_value): Don't require constant initializer
1052 elements with -pedantic -std=c99.
1053 (digest_init): Change error about non-constant initializer elements
1055 (constructor_range_end): Remove.
1056 (constructor_incremental, designator_depth,
1057 designator_errorneous): New variables.
1058 (struct constructor_stack): Remove range_end, add incremental.
1059 (struct constructor_range_stack, constructor_range_stack): New.
1060 (struct initializer_stack): Add constructor_range_stack.
1061 (finish_init): Set it.
1062 (start_init): Likewise. require_constant_elements for non-static
1063 trees only if not flag_isoc99.
1064 (really_start_incremental_init): Remove constructor_range_end, add
1065 constructor_incremental.
1066 (pop_init_level): Likewise.
1067 (push_init_level): Likewise. If implicit and the subobject had some
1068 value set already, preinitialize the level with it.
1069 Warn about missing braces only if not pushing due to designators.
1070 (set_designator, push_range_stack): New functions.
1071 (set_init_label): Use them.
1072 (set_init_index): Likewise. Remove constructor_range_end.
1073 Error if designator index is outside of array bounds.
1074 (add_pending_init): Compare values of purpose index trees, not the
1075 trees themselves. Allow overwriting of already initialized element.
1076 Issue a warning if it had side-effects.
1077 (set_nonincremental_init, set_nonincremental_init_from_string): New
1079 (pending_init_member): Rename to...
1080 (find_init_member): ...this function. Call set_nonincremental_init
1081 if necessary. Compare values of purpose index trees, not the trees
1082 themselves. Return the actual value, not just non-zero if something
1084 (output_init_element): Remove checks for duplicates.
1085 If field has zero size, only check the initializer for correctness.
1086 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1087 if constructor_incremental is zero. Change error about initializers
1088 not computable at load time into pedwarn.
1089 (output_pending_init_elements): Compare bit positions, not
1090 FIELD_DECLs to take into account zero-sized fields.
1091 (process_init_element): Use constructor_range_stack to fill all
1092 ranges in the designator lists from current level up.
1093 * extend.texi: Update documentation for labeled elements.
1095 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1097 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1098 to function usage for arguments passed by reference. Optimize
1099 callee-copied arguments.
1100 * regmove.c (replace_in_call_usage): New function.
1101 (fixup_match_1): Call it.
1102 * cse.c (cse_insn): Canonicalize registers in function usage.
1103 * reload1.c (replace_pseudos_in_call_usage): New function.
1106 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1109 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1111 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1114 2001-01-12 DJ Delorie <dj@redhat.com>
1116 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1117 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1120 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1122 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1123 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1124 -std options alongside references to -ansi. Update some
1125 documentation for C99.
1126 * cpp.1: Regenerate.
1128 2001-01-12 Andreas Jaeger <aj@suse.de>
1130 * haifa-sched.c (restore_line_notes): Remove argument block B
1132 * sched-ebb.c (schedule_ebb): Change caller.
1133 * sched-rgn.c (schedule_region): Likewise.
1134 * sched-int.h (restore_line_notes): Adjust prototype.
1136 * loop.h: Remove wrong declaration of doloop_condition_get.
1138 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1140 * extend.texi: Move C++-extension-related node from the C section
1141 into the C++ section.
1143 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1145 * extend.texi: Refer to an array of pointers to functions instead
1146 of one of functions.
1148 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1149 Jan Hubicka <jh@suse.cz>
1151 * combine.c (reversed_comparison): Fix typo in last patch.
1153 (combine_reversed_comparison_code): Make static to follow
1154 prototype declaration.
1156 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1158 * install.texi: Remove misplaced duplicate entry.
1160 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1162 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1164 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1166 * final.c: (leaf_function_p): Fix typo.
1168 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1170 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1171 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1173 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1174 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1175 mmap_anon, and valloc is available.
1176 * ggc-page.c: Restructure ifdef logic to match new autoconf
1177 spec. Don't throw away the test page in init_ggc.
1179 * configure, config.in: Regenerate.
1181 2001-01-12 Michael Hayes <mhayes@redhat.com>
1183 * loop.h (total_biv_increment): Constify iv_class pointer.
1184 (struct induction): Replace `mem_mode' with `mem' rtx.
1185 * unroll.c (total_biv_increment): Constify iv_class pointer.
1186 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1187 (find_mem_givs, combine_givs_p): Likewise.
1188 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1190 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1192 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1194 (__gthread_getspecific): Ditto.
1196 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1198 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1199 put_condition_code): Convert fp comparison codes to integer
1201 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1204 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1205 * i386-protos.h (no_comparison_operator): Kill.
1207 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1209 * combine.c (REVERSIBLE_CC_MODE): Remove.
1210 (reversible_comparison_p): Remove.
1211 (combine_reversed_comparison_code): New.
1212 (reversed_comparison): New.
1213 (combine_simplify_rtx): Use
1214 combine_reversed_comparison_code/reversed_comparison instead
1215 of reversible_comparison_p.
1216 (simplify_if_then_else): Likewise.
1217 (simplify_set): Likewise.
1218 (simplify_logical): Likewise.
1219 (if_then_else_cond): Likewise.
1220 (known_cond): Likewise.
1221 (simplify_comparison): Likewise.
1223 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1225 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1226 sizeof (int) is larger than sizeof(__word__).
1228 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1230 * cppinit.c (do_includes): Fix typo.
1232 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1234 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1235 in S_REGS does not occur because not all sources are possible
1236 when a S_REGS is a destination (sometimes needs a clobber).
1237 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1238 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1239 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1240 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1241 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1242 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1243 (lshrdi_const1, lshrsi3_const16): Likewise.
1244 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1245 (*movhi_68hc12, *movqi_68hc12): Likewise.
1246 (movstrictqi): Make sure reloading in D_REGS as a destination
1249 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1251 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1253 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1255 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1256 -D, -U and -A, and don't initialize the builtins.
1257 (do_includes): Error if -include or -imacros with -fpreprocessed.
1258 * cppmain.c (cb_define, cb_undef): Unconditionally process
1260 * tradcpp.c (main): Fix typo.
1262 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1264 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1265 (read_name_map): Use IS_ABSOLUTE_PATH.
1266 * tradcpp.c (get_filename): Likewise.
1268 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1270 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1271 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1272 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1273 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1274 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1275 (cmphi_z_used): Don't use '@' for the output.
1276 (tstqi_z_used): Likewise.
1277 (cmpqi_z_used): Likewise.
1278 (one_cmplsi2): Likewise.
1280 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1282 * config/sh/sh.c (barrier_align): Recognize branch around far
1283 branch and redundant insn.
1285 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1287 * invoke.texi: Restore documentation of the drivers' switches -MD
1290 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1292 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1294 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1295 check-objc//%): Support parallel testing of multilibs.
1296 (TESTSUITEDIR): Set to testsuite by default, but override for
1298 (check-gcc, check-g++, check-g77, check-objc): Enter
1301 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1303 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1304 * sched-deps.c (deps_may_trap_p): Likewise.
1305 * basic-block.h: Remove a comment.
1306 * flow.c (PROP_POSTRELOAD): Remove.
1307 (update_life_info): Don't add it to prop_flags.
1308 (mark_set_1): Lose the code that was enabled by it.
1310 2001-01-11 Michael Hayes <mhayes@redhat.com>
1312 * flow.c (flow_call_edges_add): New.
1313 * basic_block.h (flow_call_edges_add): New.
1315 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1317 * reload1.c (move2add_note_store): Update reg_set_luid even if
1318 base reg remains the same.
1320 2001-01-10 Nick Clifton <nickc@redhat.com>
1322 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1323 machine_function structure to zero.
1324 Add prototypes for machine_status functions.
1326 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1328 * c-common.h (CTI_VOID_LIST): Remove.
1329 (void_list_node): Likewise.
1330 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1331 (void_list_node): New macro.
1332 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1333 * config/i386/i386.c (ix86_init_builtins): Likewise.
1334 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1336 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1338 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1339 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1341 * tradcpp.c: Include mkdeps.h.
1342 (deps, print_deps_phony_targets, deps_append, output_deps,
1343 init_dependency_output, output_deps): New.
1344 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1345 deps_output): Delete.
1346 (print_deps_missing_files): Rename deps_missing_files.
1347 (inhibit_output): Make global.
1348 (main): Delete inhibit_output, deps_stream, deps_target.
1349 Use mkdeps functionality in the same way as cpplib. Remove
1350 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1351 -M and -MM. Remove old handling of deps via deps_out, and
1352 old reading of environment variables.
1353 (get_filename): Update to use deps_add_dep.
1355 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1357 * output.h (make_function_rtl): Remove prototype.
1358 (make_decl_rtl): Likewise.
1359 * varasm.c (make_function_rtl): Remove.
1360 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1361 than from a third parameter.
1362 * tree.h (make_decl_rtl): Remove last parameter.
1363 * c-decl.c (builtin_function): Remove last argument in call to
1364 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1365 (start_function): Likewise.
1366 * except.c (call_get_eh_context): Likewise.
1367 * expr.c (emit_block_move): Likewise.
1368 (clear_storage): Likewise.
1369 * profile.c (output_func_start_profiler): Likewise.
1370 * toplev.c (rest_of_decl_compilation): Likewise.
1371 * objc/objc-act.c (create_builtin_decl): Likewise.
1372 (synth_module_prologue): Likewise.
1373 (generate_static_reference): Likewise.
1374 (build_selector_reference_decl): Likewise.
1375 (build_class_reference_decl): Likewise.
1376 (build_objc_string_decl): Likewise.
1377 (build_protocol_reference): Likewise.
1379 2001-01-10 Richard Henderson <rth@redhat.com>
1381 * hwint.h: Revert yesterday's change.
1383 2001-01-10 Nick Clifton <nickc@redhat.com>
1385 * function.h (save_machine_status): Delete.
1386 (restore_machine_status): Delete.
1387 Amend comment describing {init|mark|free}_machine_status.
1389 * function.c (save_machine_status): Delete.
1390 (restore_machine_status): Delete.
1391 Amend comment describing {init|mark|free}_machine_status.
1392 (push_function_context_to): Remove invocation of
1393 save_machine_status.
1394 (pop_function_context_from): Remove invocation of
1395 restore_machine_status.
1397 * emit-rtl.c (init_emit_once): Amend comment describing
1398 {init|mark|free}_machine_status.
1400 * tm.texi (Per-Function Data): New node. Describe the
1401 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1404 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1406 * cppinit.c (OPT_g): Remove.
1407 (cpp_handle_option): Update for removed -g3.
1408 (print_help): Update.
1409 * cpplib.h (struct cpp_options): Remove debug_output.
1410 * cppmain.c (setup_callbacks, cb_define): Update.
1411 * gcc.c (cpp_options): Translate -g3 to -dD.
1413 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1415 * config/i960/i960.md: Change modifier to + on the zero_extract
1416 pattern after the (rotate -2 reg) canonicalization pattern.
1418 2001-01-10 Richard Henderson <rth@redhat.com>
1420 * config/alpha/alpha.c (alpha_free_machine_status): New.
1421 (override_options): Install it.
1422 (alpha_mark_machine_status): Verify machine non-null.
1423 * config/i386/i386.c (ix86_free_machine_status): New.
1424 (override_options): Install it.
1425 (ix86_init_machine_status): Use xcalloc.
1426 (ix86_mark_machine_status): Verify machine non-null.
1427 * config/ia64/ia64.c (ia64_free_machine_status): New.
1428 (ia64_override_options): Install it.
1429 (ia64_mark_machine_status): Verify machine non-null.
1431 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1433 * function.c (instantiate_virtual_regs): Instantiate virtual
1434 registers found in CALL_INSN_FUNCTION_USAGE.
1436 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1438 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1439 equivalent to -ansi in disabling -Di386.
1441 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1443 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1445 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1447 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1449 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1451 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1453 * invoke.texi: Document that -fcond-mismatch isn't supported for
1456 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1458 * gcc.texi: Define macro gcctabopt.
1459 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1460 @command, @env and @option in some places where appropriate. Use
1461 @gcctabopt where appropriate. Put URLs and email addresses inside
1464 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1466 * gcc.c (cpp_options): Set MD file name from output
1467 filename, if specified.
1468 (suffix_subst): New static variable.
1469 (do_spec): Clear it.
1470 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1472 (give_switch): Handle suffix_subst.
1474 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1476 * invoke.texi: Fix another typo.
1478 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1480 * invoke.texi: Fix typo.
1482 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1484 * c-lang.c (lang_hooks): Update.
1485 (lang_decode_option): Remove.
1486 (lang_init_options): Rename c_init_options.
1487 * toplev.c (main): Use lang_hooks for lang_init_options
1488 and lang_decode_option.
1489 * toplev.h (lang_hooks): Add 2 new hooks.
1490 * tree.h: Remove lang_init_options and lang_decode_option.
1491 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1492 * cp/decl2.c: Similarly.
1493 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1494 (lang_hooks): Update.
1495 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1497 (lang_init_options): Rename ffe_init_options.
1498 (lang_hooks): Update.
1499 (lang_decode_option): Remove.
1500 * java/lang.c (lang_init_options): Rename java_init_options.
1501 (lang_decode_option): Rename java_decode_option.
1502 (lang_hooks): Update.
1503 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1504 (lang_decode_option): Rename objc_decode_option.
1505 (lang_hooks): Update.
1507 2001-01-09 Nick Clifton <nickc@redhat.com>
1509 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1510 (d30v_return_addr_rtx): Delete.
1511 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1512 cfun->machine structure.
1513 (struct machine_function): Move to d30v.h
1514 (d30v_save_machine_status): Delete.
1515 (d30v_restore_machine_status): Delete.
1516 (d30v_init_machine_status): New Function.
1517 (d30v_mark_machine_status): New Function.
1518 (d30v_free_machine_status): New Function.
1519 (d30v_init_expanders): Use new functions.
1520 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1521 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1522 d30v_return_addr_rtx.
1524 * config/d30v/d30v.h (struct_machine): Move here.
1525 Add eh_epilogue_sp_ofs field.
1527 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1528 field in cfun->machine structure.
1530 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1532 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1533 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1534 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1536 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1538 * objc/lang-options.h: Remove bogus reference to
1541 2001-01-09 Kazu Hirata <kazu@hxi.com>
1543 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1546 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1548 * reload.c (find_reloads_address): Check for eliminable registers
1549 when substituting a constant expression for a pseudo.
1551 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1553 * c-common.c (enum format_type): Add format_type_error.
1554 (decode_format_type): New function.
1555 (decl_attributes): Use it.
1556 (format_kind_info): Adjust comment.
1558 2001-01-09 David O'Brien <obrien@BSDi.com>
1560 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1561 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1563 * config/i386/gnu.h: Don't include required platform specific .h files,
1564 tm.h will do it instead.
1565 * config/i386/i386elf.h: Likewise.
1566 * config/i386/linux.h: Likewise.
1567 * config/i386/moss.h: Likewise.
1568 * config/mips/gnu.h: Likewise.
1570 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1572 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1573 (rs6000-ibm-aix3.[01]*): Likewise.
1574 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1575 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1576 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1577 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1578 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1579 (powerpc-*-eabiaix*): Likewise.
1580 (powerpc-*-eabisim*): Likewise.
1581 (powerpc-*-elf*): Likewise.
1582 (powerpc-*-eabi*): Likewise.
1583 (powerpc-*-rtems*): Likewise.
1584 (powerpc-*-linux*libc1): Likewise.
1585 (powerpc-*-linux*): Likewise.
1586 (powerpc-wrs-vxworks*): Likewise.
1587 (powerpcle-wrs-vxworks*): Likewise.
1588 (powerpcle-*-sysv*): Likewise.
1589 (powerpcle-*-elf*): Likewise.
1590 (powerpcle-*-eabisim*): Likewise.
1591 (powerpcle-*-eabi*): Likewise.
1592 (powerpcle-*-solaris2*): Likewise.
1593 * config/rs6000/aix31.h: Delete includes.
1594 * config/rs6000/aix3newas.h: Likewise.
1595 * config/rs6000/aix41.h: Likewise.
1596 * config/rs6000/aix43.h: Likewise.
1597 * config/rs6000/beos.h: Likewise.
1598 * config/rs6000/rtems.h: Likewise.
1599 * config/rs6000/sysv4.h: Likewise.
1601 2001-01-09 Kazu Hirata <kazu@hxi.com>
1603 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1604 Change an argument mode of machine_mode to shift_mode of
1605 shift_mode. Remove an extra error check.
1606 (emit_a_shift): Adopt to the new calling prototype of
1608 (function_prologue): Fix code for a monitor
1609 function. Support H8/S.
1610 (function_epilogue): Do not output pop for a monitor function.
1612 2001-01-09 Nick Clifton <nickc@redhat.com>
1614 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1615 (setup_incoming_varargs): Use sysv_varargs_p field of the
1616 cfun->machine structure.
1617 (struct machine_function): Move to rs6000.h
1618 (rs6000_save_machine_status): Delete.
1619 (rs6000_restore_machine_status): Delete.
1620 (rs6000_init_machine_status): New Function.
1621 (rs6000_free_machine_status): New Function.
1622 (rs6000_init_expanders): Use new functions.
1624 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1626 (struct machine_function): Move here.
1628 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1629 sysv_varargs_p field of the cfun->machine structure.
1631 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1633 (rs6000_restore_machine_status): Remove prototype.
1635 2001-01-09 Richard Henderson <rth@redhat.com>
1637 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1638 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1639 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1640 (sched_analyze_2, sched_analyze_insn): Likewise.
1641 (sched_analyze, init_deps): Likewise.
1642 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1643 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1644 (compute_block_backward_dependences): Update propagate_deps call.
1646 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1648 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1650 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1652 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1653 (cpp_handle_option): Handle them.
1654 (cpp_post_options): Ensure one of -M or -MM is specified with
1655 any other -M? option.
1656 (init_dependency_output): Suppress output with -MG.
1658 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1661 * invoke.texi: Update.
1663 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1665 * sh.md (reload_outsf): Generate recognizable patterns for
1668 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1670 * c-lang.c (lang_hooks): Update.
1671 (lang_init): Rename c_init.
1672 (lang_finish): Remove.
1673 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1675 * toplev.h (lang_hooks): Add init () and finish ().
1676 * tree.h (lang_init, lang_finish): Remove.
1677 * cp/tree.h (lang_init, lang_finish): Remove.
1678 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1679 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1681 (lang_init, lang_finish): Remove.
1682 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1683 (lang_hooks): Update.
1684 * java/lang.c (lang_init): Rename java_init.
1685 (lang_finish): Remove.
1686 (lang_hooks): Update.
1687 * objc/objc-act.c (lang_init): Rename objc_init.
1688 (lang_finish): Remove.
1689 (lang_hoooks): Update.
1691 20001-01-09 Graham Stott <grahams@redhat.com>
1693 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1694 after `ptr` is initialised.
1696 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1698 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1699 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1700 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1701 stack adjusts, instead of r3.
1703 2001-01-09 Michael Hayes <mhayes@redhat.com>
1705 * flow.c (flow_loop_scan): Break out of ...
1706 (flow_loops_find) ... here.
1707 * basic-block.h (flow_loop_scan): New.
1708 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1709 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1711 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1713 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1715 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1716 realloc()ing macro_buffer.
1718 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1719 if it's wider than long and the target's long is wider than the
1722 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1724 Remove support for using UWIN as a host machine.
1725 * configure.in: Issue an error message.
1726 * configure: Regenerated.
1727 * config.gcc: Remove xm_* UWIN configury.
1728 * config/i386/xm-uwin.h: Remove.
1730 2001-01-08 Nick Clifton <nickc@redhat.com>
1732 * config/v850/v850.c (ra_rtx): Delete.
1733 (v850_save_machine_status): Delete.
1734 (v850_restore_machine_status): Delete.
1735 (v850_init_machine_status): New function.
1736 (v850_mark_machine_status): New function.
1737 (v850_free_machine_status): New function.
1738 (v850_return_addr): Use ra_rtx field in machine structure.
1739 (v850_init_expanders): Use new functions.
1741 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1742 * config/v850/v850.c: Change arguments to v850_output+* functions
1743 to take a const char *, to avoid compile time warning.
1744 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1745 (USER_LABEL_PREFIX): Redefine.
1747 2000-01-08 Jim Wilson <wilson@redhat.com>
1749 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1750 1 to unsigned HOST_WIDE_INT before left shift.
1752 2001-01-08 Nick Clifton <nickc@redhat.com>
1754 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1755 the machine structure has been allocated.
1756 (arm_free_machine_status): New function: Free the machine
1757 specific function structure.
1759 2001-01-08 Richard Henderson <rth@redhat.com>
1761 * jump.c (simplejump_p): Revert last change.
1763 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1765 * cppinit.c (init): Rename init_library.
1766 (cpp_create_reader): Update.
1767 * gcc.c (cpp_options): If -o given, use it as the target of
1770 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1772 * arm.c (arm_arch5e): New variable.
1773 (all_cores): XScale is a 5TE device.
1774 (arm_override_options): Set arm_arch5e.
1775 (arm_init_builtins): __builtin_prefetch is in arch5e.
1776 * arm.h (arm_arch5e): Declare it.
1778 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1780 * arm.md (define_constants): Add defines for UNSPEC and
1781 UNSPEC_VOLATILE insns. Update all users.
1782 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1783 * arm.c (multi_register_push, note_invalid_constants)
1784 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1785 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1786 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1788 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1790 * jump.c (jump_optimize_1): Use reversed_comparison_code
1791 instead of can_reverse_comparison_p.
1792 (jump_back_p): Likewise.
1793 (invert_exp_1): Likewise.
1794 (thread_jumps): Likewise.
1795 * simplify-rtx.c (simplify_unary_operation): Likewise.
1796 (simplify_ternary_operation): Likewise.
1797 * cse.c (find_comparison_args): Convert to use
1798 can_reverse_comparison_p.
1799 (record_jump_equiv): Likewise.
1801 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1803 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1804 (EPILOGUE_USES): Define.
1805 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1806 automatically stack the LR if it isn't live.
1808 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1810 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1813 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1815 * ggc-page.c (max_alignment): New structure.
1816 (MAX_ALIGNMENT): New macro.
1817 (init_ggc): Use it to round up the sizes in the
1818 extra_order_size_table.
1820 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1822 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1825 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1827 * builtins.def (BUILT_IN_FPRINTF): New entry.
1829 * c-common.c (c_expand_builtin_fprintf): New function.
1830 (init_function_format_info): Handle __builtin_fprintf.
1831 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1832 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1834 * c-decl.c (duplicate_decls): Adjust comment.
1836 * extend.texi (fprintf): Document new builtin.
1838 2001-01-07 Richard Henderson <rth@redhat.com>
1840 * jump.c (simplejump_p): Recognize any single_set jump
1843 2001-01-07 Richard Henderson <rth@redhat.com>
1845 * configure.in (slibdir): Accept an --with-slibdir option.
1846 Use "test" not "[" in configure. Default to $(libdir).
1848 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1850 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1851 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1852 (SHLIB_LINK): Create links for the soname.
1853 * config/mips/t-iris6: Likewise.
1854 * config/sparc/t-slibgcc: Likewise.
1855 * config/sparc/t-slibgcc-sld: Likewise.
1857 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1859 * config/i386/i386.c (constant_call_address_operand): Accept
1860 (const (plus (symbol_ref) (const_int))).
1861 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1862 constant_call_address_operand.
1864 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1866 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1867 and LONG_LONG_TYPE_SIZE > 32.
1869 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1871 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1872 the previous change.
1874 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1876 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1878 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1879 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1880 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1883 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1885 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1887 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1889 * c-lang.c (c_post_options): Call cpp_post_options.
1890 * objc/objc-act.c (objc_post_options): Similarly.
1891 * cppmain.c (main): Similarly.
1892 * fix-header.c (read_scan_file): Similarly.
1893 * cppinit.c (cpp_start_read): Move option consistency checks
1894 to cpp_post_options. Don't call init_dependency_output.
1895 If needed, add default target and main file dependency.
1896 (OPT_MD, OPT_MMD): Remove.
1898 (cpp_handle_option): Update for OPT_* changes.
1899 (cpp_post_options): New.
1900 (init_dependency_output): Command line -MF overrides environment
1901 variables. Don't set default target etc. Suppress output
1902 if dependencies are going to stdout.
1903 (print_help): Update.
1904 * cpplib.h (cpp_post_options): New.
1905 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1907 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1909 * jump.c (comparison_dominates_p): Support unordered compares.
1911 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1913 * simplify-rtx.c (simplify_relational_operation): Always simplify
1914 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1917 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1919 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1920 (nonzero_bits): Likewise.
1921 (simplify_comparison): Likewise.
1922 (num_sign_bit_copies): Likewise; return more sane value depending
1923 on STORE_FLAG_VALUE.
1924 (known_cond): Do not assume EQ to be always true for equivalent
1927 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1929 * cse.c (fold_rtx): Handle unordered comparisons.
1931 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1933 * rtlanal.c (set_of_1): New static function.
1934 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1935 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1936 reg_set_last_last_regno): Remove.
1937 (set_of): New global function.
1938 (set_of_data): New structure.
1939 (reg_set_p, reg_set_last): Revamp for set_of.
1940 * rtl.h (set_of): New.
1942 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1944 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1945 * extend.texi: Document _Exit builtin.
1947 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1949 * (initialize, initialize_builtins,
1950 initialize_dependency_output, initialize_standard_includes):
1951 Rename s/initialize/init. Update.
1952 (init_dependency_output): Move to after
1953 cpp_handle_options, the correct location temporally at least.
1954 (opt_comp): Move next to init (), its caller. Fix prototype.
1955 (init): Make "initialized" local scope.
1956 (cpp_create_reader): Always call init ().
1957 (cpp_start_read): Update.
1958 (output_deps): New function, broken out of cpp_finish.
1959 (cpp_finish): Break out output_deps.
1961 2001-01-07 Richard Henderson <rth@redhat.com>
1963 * collect2.c (COFF specific stuff): Revert 12-06 patch
1964 to prototype system functions.
1966 2001-01-07 Michael Hayes <mhayes@redhat.com>
1968 * hard-reg-set.h: Add multiple include guard.
1969 * basic-block.h (struct loop): Add `sink' field.
1970 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1971 (emit_iv_add_mult): Delete.
1972 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1973 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1974 (unroll_loop): Remove end_insert_before argument.
1975 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1976 (maybe_eliminate_biv_1): Likewise.
1977 (emit_iv_add_mult): Delete.
1978 (gen_add_mult, loop_regs_update): New.
1979 (loop_insn_emit_after, loop_insn_emit_before): New.
1980 (loop_insn_sink, loop_insn_sink_or_swim): New.
1981 (emit_iv_add_mult): Delete.
1982 (scan_loop): Set loop->sink.
1983 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1984 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1985 (maybe_eliminate_biv_1): Likewise.
1986 (maybe_eliminate_biv_1): Add basic block argument.
1987 * unroll.c (unroll_loop): Remove end_insert_before argument.
1988 (find_splittable_regs): Likewise.
1989 (find_splittable_regs): Use loop_insn_sink and its ilk.
1990 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1992 2001-01-07 Michael Hayes <mhayes@redhat.com>
1994 * loop.h (loop_insn_hoist): New prototype.
1995 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1996 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1997 (check_dbra_loop, load_mems): Likewise.
1998 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1999 (find_splittable_givs): Likewise.
2001 2001-01-07 Michael Hayes <mhayes@redhat.com>
2003 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2005 2001-01-07 Richard Henderson <rth@redhat.com>
2007 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2009 2001-01-07 Richard Henderson <rth@redhat.com>
2011 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2012 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2013 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2014 variant that handles a shared libgcc.
2015 (process_command): Always validate -{static,shared}-libgcc.
2016 (do_spec_1): New 'M' case.
2017 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2019 2001-01-07 Richard Henderson <rth@redhat.com>
2021 * Makefile.in (slibdir): New variable.
2022 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2023 (installdirs): Create slibdir.
2024 (install-libgcc, install-multilib): Defer to libgcc.mk.
2025 * configure.in (slibdir): Substitute.
2026 * mklibgcc.in (install): New target.
2028 * config/t-linux (SHLIB_LINK): Create links for the soname.
2029 (SHLIB_INSTALL): New.
2030 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2031 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2032 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2033 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2034 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2036 2001-01-07 Richard Henderson <rth@redhat.com>
2038 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2039 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2040 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2042 2001-01-07 Michael Hayes <mhayes@redhat.com>
2044 * loop.c (count_loop_regs_set): Delete.
2045 (load_mems_and_recount_loop_regs_set): Delete.
2046 (loop_regs_scan): Merge common code from count_loop_regs_set,
2047 scan_loop, and load_mems_and_recount_loop_regs_set.
2048 (scan_loop): Call load_mems directly and loop_regs_scan
2049 again if new registers created.
2051 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2053 * toplev.c (main): Call the front-end specific post_options
2054 hook if one is given.
2055 * toplev.h (struct_lang_hooks, lang_hooks): New.
2056 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2057 for the C front end.
2058 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2059 lang_hooks for the C++ front end.
2060 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2061 lang_hooks for the ObjC front end.
2062 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2063 * java/lang.c (lang_hooks): Hooks for the Java front end.
2065 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2067 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2068 for verbose DWARF[2] debugging.
2069 (cb_define, cb_undef): The new callbacks.
2070 * toplev.h (debug_define, debug_undef): Make const correct.
2071 * toplev.c (debug_define, debug_undef): Similarly. Do not
2072 perform the verbosity tests here anymore.
2074 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2076 * reload.c (subst_reloads): Take INSN argument. When
2077 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2078 * reload.h (subst_reloads): Adjust prototype.
2079 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2080 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2081 present in JUMP_INSNs and copy them to JUMP_LABEL.
2082 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2083 JUMP_INSNs and insns with REG_LABELs that are followed by
2084 JUMP_INSNs with the same REG_LABEL.
2085 * sched-rgn.c (is_cfg_nonregular): Likewise.
2086 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2088 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2090 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2092 2001-01-06 Richard Henderson <rth@redhat.com>
2094 * loop.c (scan_loop): Use xcalloc for the regs array.
2095 (load_mems_and_recount_loop_regs_set): Zero the new memory
2096 received from xrealloc.
2098 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2100 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2102 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2104 * integrate.c (copy_rtx_and_substitute): When copying
2105 an ignored return value, strip REG_FUNCTION_VALUE_P.
2107 2001-01-06 Michael Hayes <mhayes@redhat.com>
2109 * loop.c (debug_biv, debug_giv): New.
2110 (loop_biv_dump): Break out from ...
2111 (record_biv): ... here.
2112 (loop_giv_dump): Break out from ...
2113 (record_giv): ... here.
2114 (loop_bivs_check): Use print_simple_rtl.
2115 * unroll.c (loop_iterations): Use print_simple_rtl.
2117 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2119 * pa.md (return, return_internal): Modify patterns to prevent regrename
2120 mucking with the return pointer.
2122 2001-01-05 Richard Henderson <rth@redhat.com>
2124 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2126 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2128 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2129 version supplied by Matteo Frigo.
2131 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2133 * cpp.texi: Update for -MQ.
2134 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2135 (cpp_cleanup): Always free pfile->deps.
2136 (initialize_dependency_output): Don't create pfile->deps.
2137 (cpp_handle_option): Similarly.
2139 * gcc.c (cpp_options): Handle -MQ.
2140 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2141 * mkdeps.c (base_name): Remove.
2142 (deps_init): Don't allocate vector space until it's needed.
2143 (deps_free): Only free vectors if allocated.
2144 (deps_add_target, deps_add_dep): Update for initial allocation.
2145 (deps_add_default_target): Don't strip to the base_name.
2147 2001-01-05 DJ Delorie <dj@redhat.com>
2149 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2150 (INIT_EXPANDERS): Define.
2152 * config/v850/v850.c (struct machine_function): Define.
2153 (v850_save_machine_status): New function.
2154 (v850_restore_machine_status): New function.
2155 (v850_return_addr): New function.
2156 (v850_init_expanders): New function.
2158 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2159 and v850_init_expanders.
2161 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2163 * cpplib.h (struct cpp_reader): Add help_only field.
2164 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2165 (cpp_handle_option): Set pfile->help_only if we see -h,
2166 --help, -target-help, or --version. Print version string but
2167 do not set help_only if we see -v or -version. Make text
2168 printed by -v match that printed by (-)-version.
2170 * cppmain.c (main): Exit after option parsing if
2171 pfile->help_only is true.
2173 * toplev.c (independent_decode_option): Call print_version,
2174 then exit, if we see --version (but not -version).
2175 (print_version): Split lengthy message into two lines.
2177 2001-01-05 Nick Clifton <nickc@redhat.com>
2179 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2180 temporary string for initialisation before calling ggc_alloc_string.
2182 2001-01-06 Michael Hayes <mhayes@redhat.com>
2184 * rtl.h (print_simple_rtl): New.
2185 * print-rtl.c (print_simple_rtl): New.
2187 (print_rtx): Disable printing of flags and modes, etc.,
2188 if `flag_simple` nonzero.
2190 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2192 * function.c (fixup_var_refs): Use push_to_full_sequence where
2195 2001-01-05 Michael Meissner <meissner@redhat.com>
2197 * flags.h (flag_reorder_blocks): Add declaration.
2198 (flag_rename_block): Ditto.
2200 2001-01-05 DJ Delorie <dj@redhat.com>
2202 * function.c (reorder_blocks): Make sure the flags are all reset
2203 before using them to mark blocks, else a second invocation will
2204 corrupt the block chain.
2205 (reorder_blocks_0): New, resets the flags.
2207 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2209 * cse.c (find_comparison_args): Stop if the argument is known to
2212 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2214 * config/sh/sh.md (movdf): When splitting load into pair of
2215 registers, don't clobber the register used in the address too
2218 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2220 * varasm.c (mark_constant_pool): Improve initial comments.
2221 (mark_constants): Move marking of constants to mark_constant.
2222 (mark_constant): New function to recursively mark all constants
2223 referred to by a constant.
2225 2001-01-05 Catherine Moore <clm@redhat.com>
2227 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2229 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2231 * cp/lang-options.h: Bring comment in line with reality.
2232 * f/lang-options.h: Likewise.
2233 * java/lang-options.h: Likewise.
2234 * objc/lang-options.h: Likewise.
2235 * ch/lang-options.h: Likewise.
2236 * f/g77.texi: And update the manual.
2238 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2239 Denis Chertykov <denisc@overta.ru>
2241 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2242 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2243 * config/avr/avr.md (all peepholes that request a scratch register):
2244 Call it, FAIL the peephole if not safe (in interrupt functions).
2246 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2248 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2250 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2252 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2254 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2255 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2256 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2257 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2258 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2260 * extend.texi: Document these builtins.
2262 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2264 * c-common.c (lang_get_alias_set): Say we know nothing of
2265 VECTOR_TYPE aliasing.
2267 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2269 2001-01-05 Bruce Korb <bkorb@gnu.org>
2271 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2272 their x* equivalent versions for atexit-less systems
2273 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2274 systems (or any other system any more).
2276 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2278 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2279 output operands. Use arm_hard_register_operand for operand 4.
2280 (stmsi_postinc): Similarly.
2281 (ldmsi): Use arm_hard_register_operand for opernand 2.
2283 * arm.c (arm_hard_register_operand): New function.
2284 * arm-protos.h (arm_hard_register_operand): Prototype it.
2286 * arm.h (HARD_REGNO_RENAME_OK): Define.
2288 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2290 * simplify-rtx.c (cfc_args): add "unordered" field.
2291 (check_fold_consts): Set unordered field.
2292 (simplify_relational_operation): Simplify the unordered
2295 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2298 * emit-rtl.c (try_split): Fix code to mark labels.
2299 * jump.c (mark_jump_label): Make global.
2300 * rtl.h (mark_jump_label): Declare.
2302 * predict.c (estimate_probability): Handle unordred comparisons.
2304 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2306 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2307 * cppinit.c (initialize_dependency_output): Update.
2308 (cpp_finish): Output dummy targets for -MP.
2310 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2311 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2312 * gcc.c (cpp_options): Update to handle -MP.
2313 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2314 to quote only the default target.
2315 (deps_phony_targets): Insert a preceding newline. Rename from
2316 deps_dummy_targets for consistency.
2319 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2321 * calls.c (emit_library_call_value_1): Support
2322 INIT_CUMULATIVE_LIBCALL_ARGS.
2323 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2325 2001-01-04 Richard Henderson <rth@redhat.com>
2327 * c-decl.c (finish_struct): Detect flexible array members
2328 used in an inappropriate context.
2329 * c-typeck.c (really_start_incremental_init): Special case
2330 constructor_max_index for zero length arrays.
2331 (pop_init_level): Allow initialization of flexible array
2332 members. Deprecate initialization of zero length arrays.
2333 Don't issue missing initializer warning for flexible array
2334 members or zero length arrays.
2335 (process_init_element): Don't dereference null DECL_SIZE.
2336 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2337 Don't abort for empty constructors. Use size_binop
2338 (output_constructor): Add commentary regarding zero length
2339 array futures. Abort if we try to initialize an array of
2340 unspecified length with a non-empty constructor in the middle
2343 * extend.texi (Zero Length): Update and clarify documentation
2344 on static initialization.
2346 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2348 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2349 with more than 32767 words of local storage.
2351 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2353 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2354 for 'abs', 'labs', and 'fabs'.
2355 (c4x_expand_builtin): Likewise.
2356 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2358 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2360 * config/sh/sh.md (prget, prset): New insn types.
2361 (return delay slot): Dont' allow prset.
2362 (call, sfunc delay slot): Don't allow prget.
2363 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2364 for prset and prget.
2366 2001-01-05 Michael Hayes <mhayes@redhat.com>
2368 * loop.h (struct loop_reg): New.
2369 (struct loop_regs): Change to use array of `struct loop_reg'.
2370 * loop.c: Replace assortment of varrays with single regs array.
2371 (count_one_set): Delete may_not_move array argument
2372 and use regs array instead. All caller's changed.
2373 (count_loop_regs_set): Delete may_not_move and single_usage
2374 arguments and use regs array instead. All caller's changed.
2375 (find_single_use_in_loop): Replace usage array argument with pointer
2376 to regs structure. All caller's changed.
2377 (loop_optimize): Delete `moved_once' array.
2379 2001-01-05 Michael Hayes <mhayes@redhat.com>
2381 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2382 Use it instead of loop_info->has_call for scanning loop mems.
2383 (check_dbra_loop): Replace loop_info->has_call test with
2384 loop_info->has_nonconst_call.
2386 2000-01-04 Matthew Hiller <hiller@redhat.com>
2388 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2391 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2393 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2394 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2396 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2398 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2399 (flag_short_double, flag_short_wchar): Define.
2400 (c_common_nodes_and_builtins): Create many tree nodes shared
2401 between C and C++ here instead of in cp/decl.c and ...
2402 * c-decl.c (init_decl_processing): ... here.
2403 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2404 (flag_short_double, flag_short_wchar): Don't define.
2405 (record_builtin_type): New function.
2406 (build_void_list_node): New function.
2407 * c-common.h (flag_short_double, flag_short_wchar,
2408 record_builtin_type, build_void_list_node): Declare.
2410 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2412 * integrate.c (expand_inline_function): Don't put a virtual
2413 register into the reg map.
2415 * function.c (fixup_var_refs_1): If force_operand didn't put
2416 the address into the target, move it there.
2418 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2420 Special-case tree_decl/tree_list allocations.
2421 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2422 (OBJECT_SIZE): New macro.
2423 (NUM_EXTRA_ORDER): Likewise.
2424 (extra_order_size_table): New variable.
2425 (NUM_ORDERS): New macro.
2426 (objects_per_page_table): New variable.
2427 (object_size_table): New variable.
2428 (G.pages): Use NUM_ORDERS to bound the array.
2429 (G.page_tails): Likewise.
2430 (DIV_ROUND_UP): Remove.
2431 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2432 (alloc_page): Use OBJECT_SIZE.
2433 (size_lookup): Don't make it const.
2434 (ggc_alloc): Use OBJECT_SIZE.
2435 (ggc_set_mark): Likewise.
2436 (ggc_get_size): Likewise.
2437 (init_ggc): Set up the object_size_table, objects_per_page_table,
2438 and adjust size_lookup.
2439 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2440 (ggc_pop_context): Use NUM_ORDERS.
2441 (clear_marks): Likewise.
2442 (sweep_pages): Likewise.
2443 (poison_pages): Likewise.
2444 (ggc_print_statistics): Use OBJECT_SIZE.
2446 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2448 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2449 Only call array_size_for_constructor if last field and array type
2450 with no upper bound.
2452 2001-01-04 Philip Blundell <philb@gnu.org>
2454 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2455 from bit 31 downwards, if this requires no more insns.
2456 (count_insns_for_constant): New helper function for above.
2458 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2460 * gencodes.c (output_predicate_decls): Remove empty initializer.
2462 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2464 * tree.c (copy_node): Remove documentation about obstacks.
2465 (buidl1): Check that nobody tries to build 2-argument nodes this
2468 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2470 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2473 * gencodes.c (output_predicate_decls): Fill empty initializer
2476 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2478 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2479 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2481 (do_include): Handle missing headers like cpp0.
2482 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2483 paths with first include pathname. Don't strcat to uninitialized
2486 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2488 * regrename.c (regrename_optimize): Don't rename from frame pointer
2489 if frame_pointer_needed.
2490 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2491 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2492 (ia64_reorg): Use it instead of scheduling if ! optimize.
2493 (errata_emit_nops): Properly call asm_noperands.
2494 (ia64_sched_reorder): Finish cycle if we see an asm.
2495 (ia64_variable_issue): Clear scheduling state after asms.
2497 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2499 * cpp.texi: Update for -MT.
2500 * cppinit.c (initialize_dependency_output): Add a default
2501 target if none has been given already.
2502 (no_tgt, OPT_MT): New.
2503 (cpp_handle_option): Handle -MT. Update -M etc.
2504 * cpplib.h (struct cpp_options): Remove deps_target.
2505 * gcc.c (cpp_options): Handle -MT.
2506 * mkdeps.c (struct deps): Move from mkdeps.h.
2507 (deps_calc_target): Rename deps_add_default_target. Add a
2508 default target if none has been specified already.
2509 * mkdeps.h (struct deps): Move to mkdeps.c.
2510 (deps_calc_target): Rename deps_add_default_target.
2512 2000-01-03 Richard Henderson <rth@redhat.com>
2514 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2516 * c-typeck.c (push_init_level): Move checks for flexible array
2517 members and zero length arrays ...
2518 (pop_init_level): ... here. Silently discard empty initializations.
2520 * varasm.c (output_constructor): Update for sizeof change to
2523 * extend.texi (Zero Length): Clarify semantics.
2525 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2527 * configure.in (tm.h): Include isns-codes.h last.
2528 * configure: Rebuilt.
2530 2001-01-03 Richard Henderson <rth@redhat.com>
2532 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2533 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2535 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2537 * tradcpp.c (main): Make sure finclude() is called with a valid
2538 indepth value while handling -include.
2540 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2542 * gencodes.c (output_predicate_decls): New function.
2544 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2545 even if it is not the first time machmode.h is #included.
2546 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2547 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2548 * gcc.texi (Copyright): Added 2001.
2550 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2552 * c-common.c (c_common_lang_init): New function. Warn if format
2553 warning options which only have effects when used with -Wformat
2554 are used without -Wformat.
2555 * c-common.h (c_common_lang_init): Declare.
2556 * c-lang.c (lang_init): Call c_common_lang_init.
2557 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2559 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2561 * configure.in: Check for the mktemp command.
2562 * configure: Regenerate.
2563 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2564 $TEMP. Create temporary files with mktemp, if available at
2565 configure time; otherwise use set -C. Remove temporary files
2568 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2570 * configure.in: Require at least texinfo 4.0. Check for whether
2571 Pod::Man is sufficiently recent to regenerate GCC manpages.
2572 * configure: Regenerate.
2573 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2575 (GENERATED_MANPAGES): Define.
2576 (generated-manpages): New target. Depend on cpp.1 as well as
2578 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2579 configure to generated-manpages or empty) rather than on the
2580 manpages directly. Remove execute permission from installed
2581 gcov.1 as well as cpp.1.
2582 * cpp.1, gcov.1: Regenerate.
2584 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2586 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2587 tree_low_cst. Allow using cmpstrsi in more cases.
2589 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2591 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2594 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2596 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2597 * Makefile.in (HOST_CFLAGS): Mention build-make.
2599 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2601 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2604 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2606 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2609 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2612 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2613 reg_base_value and reg_known_value arrays.
2614 (init_alias_analysis): Add more cases to detect known values.
2615 * sched-deps.c (deps_may_trap_p): New function.
2616 (sched_analyze_2): Use it.
2618 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2620 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2621 don't discard an ASHIFTRT if we're shifting in a wider mode.
2623 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2625 * toplev.c (rest_of_compilation): Don't print basic block information
2626 when CFG isn't up to date.
2628 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2630 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2631 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2632 (UNALIGNED_SHORT_ASM_OP): Define.
2633 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2635 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2637 * fold-const.c (fold_convert): Fix typo.
2639 2001-01-02 Richard Henderson <rth@redhat.com>
2641 * c-common.h (ASM_INPUT_P): New.
2642 * c-parse.in (asm): Set it when needed.
2643 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2644 existance of an operand.
2646 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2648 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2649 (dwarf2out_frame_debug_expr): Likewise.
2650 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2652 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2654 * i386.c (ix86_split_to_parts): Return number of part required;
2656 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2658 (ix86_split_long_move): Use number of part returned
2659 by ix86_split_to_parts
2660 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2662 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2663 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2664 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2665 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2666 (ALIGN_MODE_128): Add TFmode.
2667 (IS_STACK_MODE): Likewise.
2668 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2669 (HARD_REGNO_OK): Support TFmodes.
2670 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2671 * i386.md (scheduler definitions): Use memory operand to determine
2672 fst/fld instructions; use mode attribute to determine real mode of
2674 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2675 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2677 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2679 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2681 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2683 * expr.c (store_constructor_field): Update ALIGN before calling
2686 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2688 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2691 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2693 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2696 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2698 * c-decl.c (start_function): Don't warn on third parameter to main.
2700 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2702 * tsystem.h: Define HAVE_DECL_GETOPT.
2704 2001-01-02 Philip Blundell <pb@futuretv.com>
2706 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2709 2001-01-02 Richard Henderson <rth@redhat.com>
2711 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2713 2001-01-02 Andreas Jaeger <aj@suse.de>
2715 * c-decl.c (c_decode_option): Remove support of
2718 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2719 (W_options): Add -Wmissing-noreturn here.
2721 * flow.c: Define lang_missing_noreturn_ok_p.
2722 (check_function_return_warnings): Use it.
2724 * c-common.h: Declare lang_missing_noreturn_ok_p.
2726 * c-lang.c (c_missing_noreturn_ok_p): New function.
2727 (lang_init): Set lang_missing_noreturn_ok_p.
2729 * invoke.texi (Warning Options): Document this.
2731 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2733 * extend.texi (C++ Extensions): New node for C++ attributes;
2734 describe init_priority and com_interface.
2735 * invoke.texi: Remove -finit-priority as it now has zero effect.
2736 * install.texi: Fix xref syntax.
2737 * md.texi: Likewise.
2739 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2741 * config.gcc (sparc64-wrs-vxworks*): New case.
2742 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2744 * config/sparc/sparc.c (sparc_override_options): Do support different
2745 pointer and architecture size.
2746 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2747 (POINTERS_EXTEND_UNSIGNED): Define.
2748 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2749 (FUNCTION_MODE): Define to be Pmode.
2750 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2752 * function.c (expand_function_end): Properly handle DECL_RESULT
2753 and copy when ptr_mode != Pmode.
2754 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2756 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2758 * c-common.c (c_common_nodes_and_builtins): Set prototype
2759 parameters for __builtin_fputs, __builtin_fputc and
2760 __builtin_fwrite. Don't declare plain fputc as a builtin.
2762 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2764 * loop.c (add_label_notes): Increment the label usage count when
2765 a note is added to an insn which refers to a CODE_LABEL.
2766 * gcse.c (add_label_notes): Likewise.
2768 2001-01-01 Andreas Jaeger <aj@suse.de>
2770 * loop.c (scan_loop): Use xmalloc to allocate movables.
2772 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2774 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2775 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2776 * reload1.c (REGISTER_MOVE_COST): Likewise.
2777 * regclass.c (REGISTER_MOVE_COST): Likewise.
2778 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2779 dimension. Adjust all users.
2780 (init_reg_sets_1): Iterate on all modes.
2781 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2782 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2783 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2784 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2785 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2786 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2787 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2788 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2789 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2790 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2791 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2792 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2793 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2794 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2795 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2796 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2797 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2798 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2799 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2800 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2801 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2802 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2803 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2804 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2805 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2806 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2807 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2809 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2811 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2812 arg VARIES_P. Call it with extra arg.
2813 (true_dependence): Likewise.
2814 * rtl.h (rtx_addr_can_trap_p): Declare.
2815 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2817 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2818 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2819 pic offset table register if it's zero. All callers changed.
2820 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2822 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2824 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2825 STRING_POOL_ADDRESS_P.
2827 * config/sparc/sparc.c (input_operand): Properly test for short op.
2829 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2830 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2831 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2832 * config/sparc/elf.h: No longer include sol2.h.
2833 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2834 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2836 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2838 2001-01-01 Michael Hayes <mhayes@redhat.com>
2840 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2841 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2842 (record_initial): Likewise.
2843 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2844 (remap_split_bivs): Likewise.
2846 2001-01-01 Michael Hayes <mhayes@redhat.com>
2848 * loop.c (loop_ivs_free): New function.
2849 (strength_reduce): Break out from...
2851 2001-01-01 Michael Hayes <mhayes@redhat.com>
2853 * loop.h (struct iv): New.
2854 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2855 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2856 'reg_biv_class' fields with 'regs' and 'n_regs'.
2857 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2858 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2859 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2861 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2863 * resource.c (mark_referenced_resources): Abort() before
2864 attempting to mark a pseudo register.
2865 (mark_set_resources): Likewise.
2867 2001-01-01 Michael Hayes <mhayes@redhat.com>
2869 * loop.h (REG_IV_CLASS): New accessor macro.
2870 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2871 * unroll.c (REG_IV_CLASS): Likewise.
2873 See ChangeLog.4 for earlier changes.
OSDN Git Service
