1 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3 * acconfig.h: Define `const' to the empty string if neither
4 __STDC__ nor __cplusplus is defined.
5 * config.in: Regenerated.
7 2001-01-25 David Edelsohn <edelsohn@gnu.org>
9 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10 * collect2.c (main): Delete importf. Add ".obj" file extension.
11 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
12 (aix_std_libs): Add additional AIX libraries to skip.
13 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
14 * config/rs6000/aix51.h: New file.
16 2001-01-25 Michael Hayes <mhayes@redhat.com>
18 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
19 (loop_insn_emit_before): No longer static.
20 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
21 (loop_givs_rescan, load_mems): Likewise.
22 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
23 (maybe_eliminate_biv_1):
24 (move_movables): Replace emit_call_insn_before with
26 * loop.h (loop_insn_emit_before): Add.
27 * unroll.c (copy_loop_body): Replace emit_insn_before with
28 loop_insn_emit_before.
30 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
32 * diagnostic.c (fatal): Request preprocessed source.
34 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
36 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
37 olddecl has argument types and newdecl has none, use the argument
40 2001-01-24 Ulrich Drepper <drepper@redhat.com>
42 * dwarf2out.c (prefix_of): New function. Determine longest common
43 prefix of the two arguments. The units are whole path components.
44 (output_file_names): When adding a new directory find the one entry
45 with the longest common prefix already in the list. Artificially
46 generate entry if there is none for this prefix.
47 Fix test to check whether the zeroth directory entry is used.
49 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
51 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
52 Changed all callers. Take it into account when deciding if a
53 previously loaded value matches.
55 2001-01-24 Richard Henderson <rth@redhat.com>
57 * reload.c (find_reloads_subreg_address): Fail the substitution
58 if the resulting address is insufficiently aligned.
60 2001-01-24 DJ Delorie <dj@redhat.com>
62 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
63 check the original operand's mode also.
64 * simplify-rtx.c (simplify_ternary_operation): Ditto.
66 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
68 * c-parse.in (cast_expr): Move compound literals from here ...
69 (primary): ... to here. Use standard terminology "compound
70 literal" instead of "constructor expression".
72 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
74 * gcc.1, cpp.1: Regenerate.
76 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
78 * calls.c (emit_library_call_value_1): Memory slot for
79 pass-by-reference argument should have the mode of the argument,
80 not of the pointer to it.
82 2001-01-24 Tom Tromey <tromey@redhat.com>
84 * gcc.texi (G++ and GCC): Mention gcj manual.
85 (Standards): Link to section of manual mentioning gcj/Java
88 2001-01-24 Jakub Jelinek <jakub@redhat.com>
90 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
91 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
92 * tradcpp.c (main): Add -imacros or -include'd dependencies
94 * cpp.texi (-M, -MM): Document -M -include behaviour.
96 2001-01-24 Roger Collins <roger@ProProject.com>
98 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
100 2001-01-24 Will Cohen <wcohen@redhat.com>
102 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
103 whether registers are 32 bits or 64 bits in size.
105 2001-01-24 Ben Elliston <bje@redhat.com>
107 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
109 2001-01-24 Richard Henderson <rth@redhat.com>
111 * config/alpha/alpha.md (builtin_longjmp_internal): New.
112 (builtin_longjmp): Use it instead of emit_indirect_jump.
114 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
116 * bb-reorder.c (make_reorder_chain_1): Handle case where
117 jump edge goes to the same block as the fallthru edge.
119 2001-01-23 Jim Wilson <wilson@redhat.com>
121 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
122 * frame.h (__ia64_personality_v1): Add prototype.
123 * libgcc2.c (ia64_throw_helper): Change personality declaration to
124 prototype form. Add void * cast to first argument to personality
126 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
127 (asctoe113): Likewise.
128 * config/ia64/frame-ia64.c: Include eh-common.h.
129 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
131 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
133 (itanium_split_issue): Add prototype.
134 (gen_nop_type): Ifdef out.
135 (find_best_packet): Initialize best_packet.
136 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
138 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
139 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
140 (flushrs): Add explicit stop bit at end.
141 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
144 2001-01-23 Chris Demetriou <cgd@broadcom.com>
146 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
148 * libgcc2.c (__terminate_func): Make variable static.
149 (__terminate_set_func): New function to set __terminate_func.
150 * libgcc2.h (__terminate_func_ptr): New typedef.
151 (__terminate_set_func): New function.
153 2001-01-23 Richard Henderson <rth@redhat.com>
155 * flow.c (init_propagate_block_info): Don't consider unchanging
156 memories for dead frame store elimination.
158 2001-01-23 Richard Henderson <rth@redhat.com>
160 * varasm.c (UNIQUE_SECTION): Move default implementation ...
161 * defaults.h: ... here.
163 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
165 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
167 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
169 * c-lex.c (lex_charconst): Fix typo: s/p/str.
171 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
173 * rs6000.h (rs6000_return_addr): Move prototype from here...
174 * rs6000-protos.h (rs6000_return_addr): ...to here.
175 (rs6000_init_expanders): Delete prototype.
177 2001-01-23 Nick Clifton <nickc@redhat.com>
179 * invoke.texi: Replace , with \, inside @gccoptlist macros.
180 (Spec Files): Document %B and %j and %. and %v3 and %M and
181 %{S*&T} spec switches.
183 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
185 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
187 2001-01-23 Chris Demetriou <cgd@sibyte.com>
188 Neil Booth <neil@daikokuya.demon.co.uk>
190 * cpperror.c: Merge handlers of PEDWARN and WARNING.
191 Have -Werror make pedantic warnings errors, like the
194 2001-01-23 Phil Edwards <pme@sources.redhat.com>
196 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
198 2001-01-23 Jakub Jelinek <jakub@redhat.com>
200 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
201 * integrate.c (expand_inline_function): Initialize them.
202 (subst_constants): If changing COMPARE so that both its arguments
203 will be VOIDmode and the comparison mode will be lost, note
204 compare_mode. Use the recorded compare_mode to optimize
207 2001-01-23 Jason Merrill <jason@redhat.com>
209 * dwarf2out.c (new_die): Use xcalloc.
210 (output_die): Abort rather than emit a local reference to offset 0.
212 2001-01-17 Andrew Haley <aph@redhat.com>
214 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
215 of a saved register; return NULL instead.
216 (copy_reg): Take a pointer to a source register rather than a
218 (next_stack_level): Remember the address in the stack frame of all
220 Use the saved register pointer array as the source of the CFA.
221 (throw_helper): Rewrite. Unwind once rather than twice and keep
222 track of saved registers as we go.
224 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
226 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
227 * c4x.c (c4x_legitimize_reload_address): Remove.
228 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
229 reload address for ldp(k) insn.
231 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
233 * pa.md (return_internal): Add a USE of the PIC register to ensure
234 it is restored after each call.
235 (return expander): Corresponding changes.
237 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
239 * rs6000.h (INIT_EXPANDERS): Delete.
240 (RETURN_ADDR_RTX): Call rs6000_return_addr().
241 * rs6000.c (rs6000_override_options): Call *_machine_status from
243 (rs6000_init_expanders): ...instead of here. Delete.
244 (rs6000_mark_machine_status): New function.
245 (rs6000_init_machine_status): Use xcalloc.
246 (rs6000_return_addr): Generate RTX for the return address.
247 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
248 (rs6000_stack_info): Use it.
250 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
252 * gthr-win32.h: Include errno.h to get a declaration for
253 EINVAL and _mingw.h if the target is mingw32.
255 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
257 * cpp.texi: Correct typos.
259 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
261 * explow.c (probe_stack_range): Ensure value passed to
262 stack_check_libfunc is ptr_mode, not Pmode.
264 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
266 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
267 case, don't use operand_subword to calculate a SUBREG that is
270 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
272 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
274 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
275 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
276 valid. If not replace it by equivalent insns.
278 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
280 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
281 contains SYMBOL_REF, LABEL_REF and CONST_INT.
282 (c4x_U_constraint, symbolic_address_operand): Likewise.
283 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
285 (c4x_r11_set_p, c4x_check_laj_p): New functions.
286 * c4x-protos.h (c4x_check_laj_p): Add prototype.
287 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
288 anulling slot because of silicon bug.
289 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
291 2001-01-22 Alan Modra <alan@linuxcare.com.au>
293 * cppexp.c (parse_charconst): Change `mask' type to agree
296 2001-01-21 Richard Henderson <rth@redhat.com>
298 * config/i386/i386.c (ix86_asm_file_end): Disable putting
299 pic_label_name in a linkonce section.
301 2001-01-17 Philipp Thomas <pthomas@suse.de>
303 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
305 * configure: Regenerate.
307 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
309 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
310 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
312 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
314 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
315 If REVERSE nonzero then condition code in X must be reversed.
316 (encode_section_info): Optimise if/else.
317 (avr_function_value): Fix formatting.
319 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
320 (difficult_branch): Likewise.
321 (rvbranch): Likewise.
322 (difficult_rvbranch): Likewise.
324 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
326 * config/avr/libgcc.S: Fix comment.
328 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
330 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
332 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
334 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
336 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
338 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
339 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
340 * configure, config.in: Regenerate.
341 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
342 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
343 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
344 (doprint.o): New rule.
346 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
348 * c-typeck.c (digest_init): Handle boolean types as scalars.
350 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
352 * stmt.c (expand_return): Don't return anything if size is zero.
353 Delete redundant assignment to BYTES.
354 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
356 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
358 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
359 the same as the default library function names.
360 * config/avr/avr.md: Document special characters after '%'.
361 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
362 knowing which of the call-used registers are really clobbered.
363 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
364 New. Both quotient and remainder from one libgcc.S call.
365 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
366 clobber as few registers as possible.
367 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
369 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
371 * cppmacro.c (funlike_invocation_p): Don't move back up to the
372 context of the top of the stack.
374 2001-01-20 Jakub Jelinek <jakub@redhat.com>
376 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
377 (fixup_var_refs_insns): ...here.
379 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
381 * function.c (fixup_var_refs_insns): Break up into
382 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
383 [loop over entire insn list], and fixup_var_refs_insns_with_hash
384 [loop over hash table entries].
385 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
386 fixup_var_refs_insns_with_hash, to match above changes.
388 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
390 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
391 (libgcc.a): Likewise.
392 (stmp-multilib): Likewise.
393 (STAGE2_FLAGS_TO_PASS): Likewise.
395 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
397 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
398 temporary if no_new_pseudos.
400 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
402 * cppinternals.texi: Update.
404 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
406 * arm.c (arm_init_builtins): Re-enable builtins.
408 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
410 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
411 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
412 element to be null, and always expect an EXPR_LIST.
413 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
414 * sched-deps.c (sched_analyze_1): Likewise.
415 * sched-rgn.c (check_live_1, update_live_1): Likewise.
417 * regclass.c (max_set_parallel): New variable.
418 (reg_scan): Take it into account in computation of max_parallel.
419 (reg_scan_mark_refs, case SET): Compute it.
421 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
423 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
424 * function.c (assign_parms): Use INTVAL for a CONST_INT.
426 2001-01-19 Jason Merrill <jason@redhat.com>
428 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
429 for the abstract instance of an inline function.
431 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
432 J"orn Rennecke <amylaar@redhat.com>
434 * reload1.c (move2add_note_store): Treat all registers directly or
435 indirectly derived from a base register as members of the same set
437 (reload_cse_move2add): Adjust accordingly. Take mode and offset
438 of base register into account.
440 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
442 * alias.c (find_base_value): Recognize TRUNCATE.
443 (record_set): In PLUS case, invalidate if other summand is also a
446 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
448 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
449 entry to be EXPR_LIST.
450 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
451 be an EXPR_LIST (but not null, which other code doesn't allow).
452 (note_stores): Properly handle PARALLEL in SET.
453 Recursively call for top-level PARALLEL.
454 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
455 * sched-rgn.c (check_live_1, update_live_1): Likewise.
457 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
459 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
461 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
462 not pfile->skipping (== 0).
464 2001-01-17 Nick Clifton <nickc@redhat.com>
466 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
469 2001-01-17 Jim Wilson <wilson@redhat.com>
471 * invoke.texi (IA-64 options): Improve.
473 2001-01-17 Tom Tromey <tromey@redhat.com>
475 * invoke.texi (Optimize Options): Use `{}' to around @samp
478 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
480 * invoke.texi (-fno-guess-branch-probability): New option.
482 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
484 * combine.c (try_combine): Don't set i3_subst_into_i2 for
485 case of making new double-word constant.
486 Revert last change: instead just test i3_subst_into_i2.
488 2001-01-17 Jakub Jelinek <jakub@redhat.com>
490 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
491 Use q constraints instead of r.
493 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
495 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
496 (machine_function): Define.
497 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
498 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
499 pa_free_machine_status): New functions.
500 (override_options): Set {init,mark,free}_machine_status to above.
501 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
502 PIC_OFFSET_TABLE_REGNUM_SAVED.
503 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
504 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
505 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
506 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
507 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
509 2001-01-15 DJ Delorie <dj@redhat.com>
511 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
515 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
517 * flow.c (propagate_on_insn): Make trying to delete a prologue
518 or epilogue insn an ICE, not a warning. Allow doing this if
519 the current function returns with stack pointer depressed.
521 * combine.c (try_combine): If i3_subst_into_i2, properly check for
522 I3 having more than one SET.
524 2001-01-16 Jim Wilson <wilson@redhat.com>
526 * invoke.texi: Document IA-64 options.
528 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
529 (fixup_errata): Delete TARGET_A_STEP use.
530 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
531 (TARGET_SWITCHES): Delete -ma-step option.
532 * config/ia64/ia64.md (all FP patterns): Delete %B0.
533 (movqicc_astep, movqi_internal_astep, movhicc_astep,
534 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
535 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
536 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
537 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
539 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
540 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
541 cmovsi_internal): Delete ! TARGET_A_STEP check.
543 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
545 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
546 possibility to report bugs via postal mail. Change a URL and
547 merge in a nearly duplicate statement...
548 (Bug Reporting): ...from here.
549 (Service): Refer to the Bug Reporting section instead of
551 (Contributing): Remove trivial explanations concerning snapshots.
553 2001-01-16 Alan Modra <alan@linuxcare.com.au>
555 * cppmain.c (general_init): Don't use ANSI prototype.
557 2001-01-16 Tom Tromey <tromey@redhat.com>
559 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
561 2001-01-16 Richard Henderson <rth@redhat.com>
563 * config/i386/i386.h: Fix comment typo.
564 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
565 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
567 2001-01-16 Phil Edwards <pme@sources.redhat.com>
569 * gcc.c: Revert previous -fsyntax-only-related change; move
572 2001-01-16 Jakub Jelinek <jakub@redhat.com>
574 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
575 inmode after checking GET_CODE (op).
577 2001-01-16 Richard Henderson <rth@redhat.com>
579 * flow.c (struct propagate_block_info): Add mem_set_list_len.
580 (MAX_MEM_SET_LIST_LEN): New.
581 (propagate_one_insn): Update mem_set_list_len.
582 (invalidate_mems_from_autoinc): Likewise.
583 (invalidate_mems_from_set): Likewise.
584 (mark_used_regs): Likewise.
585 (init_propagate_block_info): Likewise. Stop collecting memories
586 when we reach MAX_MEM_SET_LIST_LEN.
587 (mark_set_1): Likewise.
589 2001-01-16 Richard Henderson <rth@redhat.com>
591 * unroll.c (precondition_loop_p): Fail if no iteration
594 2001-01-16 Phil Edwards <pme@sources.redhat.com>
596 * gcc.c: When -fsyntax-only is given, do not complain about
599 2001-01-15 Richard Henderson <rth@redhat.com>
601 * config/i386/i386.c (asm_output_function_prefix): Remove.
602 (ix86_asm_file_end): New.
603 (load_pic_register): Generate pic_label_name into a
604 staticly allocated buffer.
605 * config/i386/i386-protos.h: Update.
606 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
608 * config/i386/i386afe.h: New file.
609 * config.gcc (i?86-*-elf) [tm_file]: Use it.
610 (i?86-*-{freebsd,linux*,moss*}): Likewise.
611 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
612 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
613 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
614 * config/i386/sco5.h (ASM_FILE_END): Likewise.
615 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
617 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
619 * Makefile.in (install-man): Remove explicit dependency on
622 * configure.in, configure: Revert previous patch requiring perl
625 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
627 * toplev.c (flag_guess_branch_prob): New.
628 (f_options): Add guess-branch-probability option.
629 (rest_of_decl_compilation): Only estimate branch probability if
631 (main): set flag_guess_branch_prob.
633 * flags.h (flag_guess_branch_prob): New.
635 2001-01-15 DJ Delorie <dj@redhat.com>
637 * gcc.texi (Makefile): Add documentation for Makefile targets.
639 2001-01-15 Philip Blundell <philb@gnu.org>
641 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
643 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
644 (is_pic): Delete declaration.
645 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
646 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
647 * config/arm/arm.md (builtin_setjmp_receiver): New.
649 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
651 * arm.c (use_return_insn): Don't try to determine the function type
652 until after reload has completed.
653 (arm_output_epilogue): Don't adjust the sp value recovered from the
655 (emit_multi_reg_push): Don't record dwarf information for the pc.
656 * arm.md (eh_epilogue): The function type may have changed, so it
657 needs to be recalculated.
658 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
659 unwind tables on arm/netbsd.
661 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
663 * arm.md (cbranchsi4): Correct calculation of branch ranges.
664 (negated_cbranchsi4): Likewise.
666 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
668 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
669 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
670 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
671 pass -mapcs-* options to assembler.
672 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
673 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
674 (ASM_SPEC): Call subtarget_extra_asm_spec.
676 2001-01-15 Andreas Jaeger <aj@suse.de>
678 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
680 (ix86_expand_builtin): Likewise.
682 * gencodes.c (output_predicate_decls): Make i size_t to avoid
683 warning about comparison between signed and unsigned.
685 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
687 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
689 2001-01-14 Ralf Baechle <ralf@gnu.org>
691 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
692 SUBTARGET_CPP_SPEC apropriatly.
694 2001-01-12 Mark Mitchell <mark@codesourcery.com>
696 * varasm.c (make_decl_rtl): Fix typo in last change.
698 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
700 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
701 linker supports the init_priority C++ attribute.
702 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
703 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
704 linker does not support init_priority C++ attribute.
706 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
708 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
710 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
712 * c-parse.in (finish_parse): Add comment about cpp_destroy.
713 * cp/lex.c (finish_parse): Similarly.
714 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
715 Return the number of errors encountered.
716 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
717 * cppmain.c (main): Don't call cpp_destroy.
719 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
721 * configure.in: Require at least perl 5.6.0 to regenerate
723 * configure: Regenerate.
725 2001-01-14 Richard Henderson <rth@redhat.com>
727 * genrecog.c (DT_veclen_ge): New.
728 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
729 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
730 (nodes_identical_1): Handle DT_veclen_ge.
731 (write_cond, debug_decision_2): Likewise.
733 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
735 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
737 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
739 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
741 * cppmain.c (do_preprocessing): New function; most of the old
743 (main): Call it to do most of the work.
744 (cb): Move from global scope to set_callbacks ().
745 (setup_callbacks): Get the callback pointer.
746 (general_init, printer_init): Clean up code and comments.
748 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
750 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
753 2001-01-14 Kazu Hirata <kazu@hxi.com>
755 * config/h8300/h8300.c (get_shift_alg): Update comments.
757 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
759 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
760 (alloc_page, ggc_alloc): Add casts to remove warnings.
762 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
764 * combine.c (simplify_comparison): Don't change `code' when
765 can't reverse comparison.
767 2001-01-14 Richard Henderson <rth@redhat.com>
769 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
770 update all call sites. Return true for all non-label constants.
772 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
774 * i386.c (ix86_expand_compare): Add bypass_test and second_test
776 (ix86_expand_branch): Update.
777 (ix86_expand_setcc): Update to handle multiple test conditions.
778 (expand_int_movcc): Likewise.
779 (expand_fp_movcc): Likewise.
780 * i386-protos.h (ix86_expand_compare): New.
781 * i386.md (andqi_?_slp, orqi_?_slp): New.
782 (conditional trap expander): Update call to ix86_expand_compare.
784 2001-01-14 Richard Henderson <rth@redhat.com>
786 * config/vax/vax.md: Use nonimmediate_operand instead of
787 general_operand in destinations.
789 * config/vax/vax.md (indirect_jump): Use register_operand.
791 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
792 * config/vax/vax.md (call_pop): Turn into an expander.
793 (call_value_pop): Likewise.
794 (call, call_value): New.
796 2001-01-14 Andreas Jaeger <aj@suse.de>
798 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
800 (ix86_fp_compare_mode): Add unused attribute.
801 (ix86_expand_fp_movcc): Remove unused variable.
802 (ix86_expand_builtin): Make fcode unsigned.
804 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
805 (expand_expr): Add cast to avoid signed warning.
806 (store_field): Likewise.
807 (store_constructor_field): Likewise.
808 (store_constructor): Likewise.
809 (store_expr): Likewise.
810 (clear_storage): Likewise.
811 (emit_group_store): Likewise.
812 (emit_group_load): Likewise.
814 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
816 * c-common.c: Move format checking code to ...
817 * c-format.c: ... here. New file. Reorder some functions and
819 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
821 * c-common.h (decl_handle_format_attribute,
822 decl_handle_format_arg_attribute): Declare.
823 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
824 (c-common.o): Adjust dependencies.
825 (c-format.o): New list of dependencies.
827 2001-01-13 Jakub Jelinek <jakub@redhat.com>
829 * unroll.c (loop_iterations): If we cannot prove iteration variable
830 is set once in each iteration, punt.
832 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
834 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
835 (*strlenhi): Remove clobber (which was buggy) of output address.
837 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
839 * Makefile.in (generated-manpages): Add gcc.1
840 ($(srcdir)/gcc.1): New target.
841 (maintainer-clean): Delete $(srcdir)/gcc.1.
842 * gcc.texi: Add macros @gccoptlist and @gol.
843 * invoke.texi: Include option summary in manpage. Mark up option
844 summary with @gccoptlist and @gol. Use @r in one place where
846 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
847 * gcc.1: Generate from invoke.texi.
849 2001-01-13 Richard Henderson <rth@redhat.com>
851 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
852 (struct page_entry): Add group member.
853 (struct page_group): New.
854 (struct globals): Add page_groups member.
855 (alloc_anon): Only define for using mmap; remove valloc call.
856 (page_group_index): New.
857 (set_page_group_in_use): New.
858 (clear_page_group_in_use): New.
859 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
860 (free_page, release_pages): Likewise.
861 * configure.in (with-gc): Default to ggc-page always.
863 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
865 * reload1.c (replace_pseudos_in_call_usage): Use
866 reg_equiv_constant and reg_equiv_address, and don't try
869 2001-01-13 Richard Henderson <rth@redhat.com>
871 * ggc-page.c (alloc_page): Round up allocation size to one page.
872 Set e->order on extra pages.
874 2001-01-13 Richard Henderson <rth@redhat.com>
876 * genrecog.c (nodes_identical): Expand commentary.
877 (write_switch): Watch out for identical nodes.
879 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
881 * cppfiles.c (_cpp_fake_include): New function.
882 * cpphash.h (_cpp_fake_include): New.
883 * cpplib.c (do_line): Call _cpp_fake_include when entering
884 header files in preprocessed input.
885 * cppmain.c (cb_pragma_implementation): Remove handling.
886 (setup_callbacks): Don't register pragmas.
888 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
890 * extend.texi: Udate for CPP.
892 2001-01-13 Andreas Jaeger <aj@suse.de>
894 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
896 * regmove.c: Add prototype for replace_in_call_usage.
898 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
900 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
901 struct cpp_chunk, struct htab, struct toklist,
902 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
903 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
904 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
905 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
906 (struct macro_args): Delete.
907 * cpphash.h: See above.
909 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
911 * cppmain.c (struct printer): Remove no_line_dirs.
913 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
914 : Use options rather than CPP_OPTION.
915 (setup_callbacks): Use cb rather than pfile->cb.
916 (main): No need to check for a buffer. Use cpp_errors.
917 (printer_init): Don't set no_line_dirs.
918 (maybe_print_line): Use options not no_line_dirs.
919 (cb_file_change): Don't call print_line if -P.
921 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
923 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
925 * c-parse.in (finish_parse): Use cpp_errors.
926 (__yylex): Use return value of cpp_pop_buffer.
927 * cp/lex.c (finish_parse): Use cpp_errors.
928 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
930 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
932 * README.AVR: URLs corrected.
934 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
936 * c-decl.c (start_function): Don't warn if old prototype is builtin
937 that's not in C's namespace.
938 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
939 (_bb): Add prototype for ctime.
940 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
942 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
944 * i386.c (ix86_fp_comparison_arithmetics_cost,
945 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
946 ix86_fp_comparison_cost): New functions.
947 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
948 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
949 two-branch sequences; make static.
950 (ix86_use_fcomi_compare): Do decision according to the costs.
951 (split_fp_branch): New.
952 * i386.md (compare-and-branch patterns): Use split_fp_branch.
953 * i386-protos.h (ix86_expand_fp_compare): Remove
954 (ix86_split_fp_branch): Declare.
956 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
957 and ix86_comparison_operator.
959 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
962 * i386.c (put_condition_code): Output properly the unordered/ordered
964 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
966 * tm.texi (REVERSE_CONDITION): Document.
967 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
969 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
971 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
973 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
975 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
978 * config/sh/sh.c (mova_p): Fix test for mova_const.
980 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
982 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
983 cpp_get_options rather than dereferencing pfile and using
985 * scan-decls.c (scan_decls): Use return value of
986 cpp_pop_buffer rather than CPP_BUFFER.
988 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
990 * cppinit.c (cpp_handle_option): help_only is now part of the
991 cpp_options structure.
992 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
993 cpp_set_callbacks): New functions.
994 * cpplib.h (cpp_callbacks): Break out as a named structure.
995 (cpp_options): Move help_only here from cpp_reader.
996 (CPP_FATAL_ERRORS): Update to use cpp_errors.
997 (cpp_errors, cpp_get_options, cpp_get_callbacks,
998 cpp_set_callbacks): New prototypes.
999 * cppmain.c (main): Update for help_only.
1001 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1003 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1004 Also build and remove and install and uninstall c-tree.info and
1006 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1007 ($(srcdir)/cppinternals.info): New target.
1008 * c-tree.texi: Change file name used when makeinfo used without -o
1009 from ir.info to c-tree.info. Add info directory entry.
1010 * cppinternals.texi: Add info directory entry.
1011 * .cvsignore: Update.
1013 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1015 * c-typeck.c (store_init_value): Don't require constant initializer
1016 elements with -pedantic -std=c99.
1017 (digest_init): Change error about non-constant initializer elements
1019 (constructor_range_end): Remove.
1020 (constructor_incremental, designator_depth,
1021 designator_errorneous): New variables.
1022 (struct constructor_stack): Remove range_end, add incremental.
1023 (struct constructor_range_stack, constructor_range_stack): New.
1024 (struct initializer_stack): Add constructor_range_stack.
1025 (finish_init): Set it.
1026 (start_init): Likewise. require_constant_elements for non-static
1027 trees only if not flag_isoc99.
1028 (really_start_incremental_init): Remove constructor_range_end, add
1029 constructor_incremental.
1030 (pop_init_level): Likewise.
1031 (push_init_level): Likewise. If implicit and the subobject had some
1032 value set already, preinitialize the level with it.
1033 Warn about missing braces only if not pushing due to designators.
1034 (set_designator, push_range_stack): New functions.
1035 (set_init_label): Use them.
1036 (set_init_index): Likewise. Remove constructor_range_end.
1037 Error if designator index is outside of array bounds.
1038 (add_pending_init): Compare values of purpose index trees, not the
1039 trees themselves. Allow overwriting of already initialized element.
1040 Issue a warning if it had side-effects.
1041 (set_nonincremental_init, set_nonincremental_init_from_string): New
1043 (pending_init_member): Rename to...
1044 (find_init_member): ...this function. Call set_nonincremental_init
1045 if necessary. Compare values of purpose index trees, not the trees
1046 themselves. Return the actual value, not just non-zero if something
1048 (output_init_element): Remove checks for duplicates.
1049 If field has zero size, only check the initializer for correctness.
1050 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1051 if constructor_incremental is zero. Change error about initializers
1052 not computable at load time into pedwarn.
1053 (output_pending_init_elements): Compare bit positions, not
1054 FIELD_DECLs to take into account zero-sized fields.
1055 (process_init_element): Use constructor_range_stack to fill all
1056 ranges in the designator lists from current level up.
1057 * extend.texi: Update documentation for labeled elements.
1059 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1061 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1062 to function usage for arguments passed by reference. Optimize
1063 callee-copied arguments.
1064 * regmove.c (replace_in_call_usage): New function.
1065 (fixup_match_1): Call it.
1066 * cse.c (cse_insn): Canonicalize registers in function usage.
1067 * reload1.c (replace_pseudos_in_call_usage): New function.
1070 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1073 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1075 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1078 2001-01-12 DJ Delorie <dj@redhat.com>
1080 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1081 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1084 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1086 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1087 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1088 -std options alongside references to -ansi. Update some
1089 documentation for C99.
1090 * cpp.1: Regenerate.
1092 2001-01-12 Andreas Jaeger <aj@suse.de>
1094 * haifa-sched.c (restore_line_notes): Remove argument block B
1096 * sched-ebb.c (schedule_ebb): Change caller.
1097 * sched-rgn.c (schedule_region): Likewise.
1098 * sched-int.h (restore_line_notes): Adjust prototype.
1100 * loop.h: Remove wrong declaration of doloop_condition_get.
1102 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1104 * extend.texi: Move C++-extension-related node from the C section
1105 into the C++ section.
1107 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1109 * extend.texi: Refer to an array of pointers to functions instead
1110 of one of functions.
1112 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1113 Jan Hubicka <jh@suse.cz>
1115 * combine.c (reversed_comparison): Fix typo in last patch.
1117 (combine_reversed_comparison_code): Make static to follow
1118 prototype declaration.
1120 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1122 * install.texi: Remove misplaced duplicate entry.
1124 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1126 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1128 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1130 * final.c: (leaf_function_p): Fix typo.
1132 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1134 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1135 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1137 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1138 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1139 mmap_anon, and valloc is available.
1140 * ggc-page.c: Restructure ifdef logic to match new autoconf
1141 spec. Don't throw away the test page in init_ggc.
1143 * configure, config.in: Regenerate.
1145 2001-01-12 Michael Hayes <mhayes@redhat.com>
1147 * loop.h (total_biv_increment): Constify iv_class pointer.
1148 (struct induction): Replace `mem_mode' with `mem' rtx.
1149 * unroll.c (total_biv_increment): Constify iv_class pointer.
1150 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1151 (find_mem_givs, combine_givs_p): Likewise.
1152 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1154 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1156 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1158 (__gthread_getspecific): Ditto.
1160 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1162 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1163 put_condition_code): Convert fp comparison codes to integer
1165 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1168 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1169 * i386-protos.h (no_comparison_operator): Kill.
1171 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1173 * combine.c (REVERSIBLE_CC_MODE): Remove.
1174 (reversible_comparison_p): Remove.
1175 (combine_reversed_comparison_code): New.
1176 (reversed_comparison): New.
1177 (combine_simplify_rtx): Use
1178 combine_reversed_comparison_code/reversed_comparison instead
1179 of reversible_comparison_p.
1180 (simplify_if_then_else): Likewise.
1181 (simplify_set): Likewise.
1182 (simplify_logical): Likewise.
1183 (if_then_else_cond): Likewise.
1184 (known_cond): Likewise.
1185 (simplify_comparison): Likewise.
1187 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1189 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1190 sizeof (int) is larger than sizeof(__word__).
1192 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1194 * cppinit.c (do_includes): Fix typo.
1196 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1198 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1199 in S_REGS does not occur because not all sources are possible
1200 when a S_REGS is a destination (sometimes needs a clobber).
1201 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1202 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1203 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1204 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1205 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1206 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1207 (lshrdi_const1, lshrsi3_const16): Likewise.
1208 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1209 (*movhi_68hc12, *movqi_68hc12): Likewise.
1210 (movstrictqi): Make sure reloading in D_REGS as a destination
1213 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1215 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1217 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1219 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1220 -D, -U and -A, and don't initialize the builtins.
1221 (do_includes): Error if -include or -imacros with -fpreprocessed.
1222 * cppmain.c (cb_define, cb_undef): Unconditionally process
1224 * tradcpp.c (main): Fix typo.
1226 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1228 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1229 (read_name_map): Use IS_ABSOLUTE_PATH.
1230 * tradcpp.c (get_filename): Likewise.
1232 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1234 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1235 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1236 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1237 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1238 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1239 (cmphi_z_used): Don't use '@' for the output.
1240 (tstqi_z_used): Likewise.
1241 (cmpqi_z_used): Likewise.
1242 (one_cmplsi2): Likewise.
1244 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1246 * config/sh/sh.c (barrier_align): Recognize branch around far
1247 branch and redundant insn.
1249 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1251 * invoke.texi: Restore documentation of the drivers' switches -MD
1254 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1256 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1258 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1259 check-objc//%): Support parallel testing of multilibs.
1260 (TESTSUITEDIR): Set to testsuite by default, but override for
1262 (check-gcc, check-g++, check-g77, check-objc): Enter
1265 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1267 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1268 * sched-deps.c (deps_may_trap_p): Likewise.
1269 * basic-block.h: Remove a comment.
1270 * flow.c (PROP_POSTRELOAD): Remove.
1271 (update_life_info): Don't add it to prop_flags.
1272 (mark_set_1): Lose the code that was enabled by it.
1274 2001-01-11 Michael Hayes <mhayes@redhat.com>
1276 * flow.c (flow_call_edges_add): New.
1277 * basic_block.h (flow_call_edges_add): New.
1279 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1281 * reload1.c (move2add_note_store): Update reg_set_luid even if
1282 base reg remains the same.
1284 2001-01-10 Nick Clifton <nickc@redhat.com>
1286 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1287 machine_function structure to zero.
1288 Add prototypes for machine_status functions.
1290 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1292 * c-common.h (CTI_VOID_LIST): Remove.
1293 (void_list_node): Likewise.
1294 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1295 (void_list_node): New macro.
1296 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1297 * config/i386/i386.c (ix86_init_builtins): Likewise.
1298 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1300 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1302 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1303 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1305 * tradcpp.c: Include mkdeps.h.
1306 (deps, print_deps_phony_targets, deps_append, output_deps,
1307 init_dependency_output, output_deps): New.
1308 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1309 deps_output): Delete.
1310 (print_deps_missing_files): Rename deps_missing_files.
1311 (inhibit_output): Make global.
1312 (main): Delete inhibit_output, deps_stream, deps_target.
1313 Use mkdeps functionality in the same way as cpplib. Remove
1314 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1315 -M and -MM. Remove old handling of deps via deps_out, and
1316 old reading of environment variables.
1317 (get_filename): Update to use deps_add_dep.
1319 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1321 * output.h (make_function_rtl): Remove prototype.
1322 (make_decl_rtl): Likewise.
1323 * varasm.c (make_function_rtl): Remove.
1324 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1325 than from a third parameter.
1326 * tree.h (make_decl_rtl): Remove last parameter.
1327 * c-decl.c (builtin_function): Remove last argument in call to
1328 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1329 (start_function): Likewise.
1330 * except.c (call_get_eh_context): Likewise.
1331 * expr.c (emit_block_move): Likewise.
1332 (clear_storage): Likewise.
1333 * profile.c (output_func_start_profiler): Likewise.
1334 * toplev.c (rest_of_decl_compilation): Likewise.
1335 * objc/objc-act.c (create_builtin_decl): Likewise.
1336 (synth_module_prologue): Likewise.
1337 (generate_static_reference): Likewise.
1338 (build_selector_reference_decl): Likewise.
1339 (build_class_reference_decl): Likewise.
1340 (build_objc_string_decl): Likewise.
1341 (build_protocol_reference): Likewise.
1343 2001-01-10 Richard Henderson <rth@redhat.com>
1345 * hwint.h: Revert yesterday's change.
1347 2001-01-10 Nick Clifton <nickc@redhat.com>
1349 * function.h (save_machine_status): Delete.
1350 (restore_machine_status): Delete.
1351 Amend comment describing {init|mark|free}_machine_status.
1353 * function.c (save_machine_status): Delete.
1354 (restore_machine_status): Delete.
1355 Amend comment describing {init|mark|free}_machine_status.
1356 (push_function_context_to): Remove invocation of
1357 save_machine_status.
1358 (pop_function_context_from): Remove invocation of
1359 restore_machine_status.
1361 * emit-rtl.c (init_emit_once): Amend comment describing
1362 {init|mark|free}_machine_status.
1364 * tm.texi (Per-Function Data): New node. Describe the
1365 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1368 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1370 * cppinit.c (OPT_g): Remove.
1371 (cpp_handle_option): Update for removed -g3.
1372 (print_help): Update.
1373 * cpplib.h (struct cpp_options): Remove debug_output.
1374 * cppmain.c (setup_callbacks, cb_define): Update.
1375 * gcc.c (cpp_options): Translate -g3 to -dD.
1377 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1379 * config/i960/i960.md: Change modifier to + on the zero_extract
1380 pattern after the (rotate -2 reg) canonicalization pattern.
1382 2001-01-10 Richard Henderson <rth@redhat.com>
1384 * config/alpha/alpha.c (alpha_free_machine_status): New.
1385 (override_options): Install it.
1386 (alpha_mark_machine_status): Verify machine non-null.
1387 * config/i386/i386.c (ix86_free_machine_status): New.
1388 (override_options): Install it.
1389 (ix86_init_machine_status): Use xcalloc.
1390 (ix86_mark_machine_status): Verify machine non-null.
1391 * config/ia64/ia64.c (ia64_free_machine_status): New.
1392 (ia64_override_options): Install it.
1393 (ia64_mark_machine_status): Verify machine non-null.
1395 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1397 * function.c (instantiate_virtual_regs): Instantiate virtual
1398 registers found in CALL_INSN_FUNCTION_USAGE.
1400 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1402 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1403 equivalent to -ansi in disabling -Di386.
1405 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1407 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1409 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1411 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1413 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1415 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1417 * invoke.texi: Document that -fcond-mismatch isn't supported for
1420 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1422 * gcc.texi: Define macro gcctabopt.
1423 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1424 @command, @env and @option in some places where appropriate. Use
1425 @gcctabopt where appropriate. Put URLs and email addresses inside
1428 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1430 * gcc.c (cpp_options): Set MD file name from output
1431 filename, if specified.
1432 (suffix_subst): New static variable.
1433 (do_spec): Clear it.
1434 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1436 (give_switch): Handle suffix_subst.
1438 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1440 * invoke.texi: Fix another typo.
1442 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1444 * invoke.texi: Fix typo.
1446 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1448 * c-lang.c (lang_hooks): Update.
1449 (lang_decode_option): Remove.
1450 (lang_init_options): Rename c_init_options.
1451 * toplev.c (main): Use lang_hooks for lang_init_options
1452 and lang_decode_option.
1453 * toplev.h (lang_hooks): Add 2 new hooks.
1454 * tree.h: Remove lang_init_options and lang_decode_option.
1455 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1456 * cp/decl2.c: Similarly.
1457 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1458 (lang_hooks): Update.
1459 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1461 (lang_init_options): Rename ffe_init_options.
1462 (lang_hooks): Update.
1463 (lang_decode_option): Remove.
1464 * java/lang.c (lang_init_options): Rename java_init_options.
1465 (lang_decode_option): Rename java_decode_option.
1466 (lang_hooks): Update.
1467 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1468 (lang_decode_option): Rename objc_decode_option.
1469 (lang_hooks): Update.
1471 2001-01-09 Nick Clifton <nickc@redhat.com>
1473 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1474 (d30v_return_addr_rtx): Delete.
1475 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1476 cfun->machine structure.
1477 (struct machine_function): Move to d30v.h
1478 (d30v_save_machine_status): Delete.
1479 (d30v_restore_machine_status): Delete.
1480 (d30v_init_machine_status): New Function.
1481 (d30v_mark_machine_status): New Function.
1482 (d30v_free_machine_status): New Function.
1483 (d30v_init_expanders): Use new functions.
1484 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1485 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1486 d30v_return_addr_rtx.
1488 * config/d30v/d30v.h (struct_machine): Move here.
1489 Add eh_epilogue_sp_ofs field.
1491 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1492 field in cfun->machine structure.
1494 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1496 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1497 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1498 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1500 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1502 * objc/lang-options.h: Remove bogus reference to
1505 2001-01-09 Kazu Hirata <kazu@hxi.com>
1507 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1510 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1512 * reload.c (find_reloads_address): Check for eliminable registers
1513 when substituting a constant expression for a pseudo.
1515 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1517 * c-common.c (enum format_type): Add format_type_error.
1518 (decode_format_type): New function.
1519 (decl_attributes): Use it.
1520 (format_kind_info): Adjust comment.
1522 2001-01-09 David O'Brien <obrien@BSDi.com>
1524 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1525 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1527 * config/i386/gnu.h: Don't include required platform specific .h files,
1528 tm.h will do it instead.
1529 * config/i386/i386elf.h: Likewise.
1530 * config/i386/linux.h: Likewise.
1531 * config/i386/moss.h: Likewise.
1532 * config/mips/gnu.h: Likewise.
1534 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1536 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1537 (rs6000-ibm-aix3.[01]*): Likewise.
1538 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1539 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1540 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1541 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1542 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1543 (powerpc-*-eabiaix*): Likewise.
1544 (powerpc-*-eabisim*): Likewise.
1545 (powerpc-*-elf*): Likewise.
1546 (powerpc-*-eabi*): Likewise.
1547 (powerpc-*-rtems*): Likewise.
1548 (powerpc-*-linux*libc1): Likewise.
1549 (powerpc-*-linux*): Likewise.
1550 (powerpc-wrs-vxworks*): Likewise.
1551 (powerpcle-wrs-vxworks*): Likewise.
1552 (powerpcle-*-sysv*): Likewise.
1553 (powerpcle-*-elf*): Likewise.
1554 (powerpcle-*-eabisim*): Likewise.
1555 (powerpcle-*-eabi*): Likewise.
1556 (powerpcle-*-solaris2*): Likewise.
1557 * config/rs6000/aix31.h: Delete includes.
1558 * config/rs6000/aix3newas.h: Likewise.
1559 * config/rs6000/aix41.h: Likewise.
1560 * config/rs6000/aix43.h: Likewise.
1561 * config/rs6000/beos.h: Likewise.
1562 * config/rs6000/rtems.h: Likewise.
1563 * config/rs6000/sysv4.h: Likewise.
1565 2001-01-09 Kazu Hirata <kazu@hxi.com>
1567 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1568 Change an argument mode of machine_mode to shift_mode of
1569 shift_mode. Remove an extra error check.
1570 (emit_a_shift): Adopt to the new calling prototype of
1572 (function_prologue): Fix code for a monitor
1573 function. Support H8/S.
1574 (function_epilogue): Do not output pop for a monitor function.
1576 2001-01-09 Nick Clifton <nickc@redhat.com>
1578 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1579 (setup_incoming_varargs): Use sysv_varargs_p field of the
1580 cfun->machine structure.
1581 (struct machine_function): Move to rs6000.h
1582 (rs6000_save_machine_status): Delete.
1583 (rs6000_restore_machine_status): Delete.
1584 (rs6000_init_machine_status): New Function.
1585 (rs6000_free_machine_status): New Function.
1586 (rs6000_init_expanders): Use new functions.
1588 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1590 (struct machine_function): Move here.
1592 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1593 sysv_varargs_p field of the cfun->machine structure.
1595 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1597 (rs6000_restore_machine_status): Remove prototype.
1599 2001-01-09 Richard Henderson <rth@redhat.com>
1601 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1602 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1603 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1604 (sched_analyze_2, sched_analyze_insn): Likewise.
1605 (sched_analyze, init_deps): Likewise.
1606 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1607 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1608 (compute_block_backward_dependences): Update propagate_deps call.
1610 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1612 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1614 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1616 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1617 (cpp_handle_option): Handle them.
1618 (cpp_post_options): Ensure one of -M or -MM is specified with
1619 any other -M? option.
1620 (init_dependency_output): Suppress output with -MG.
1622 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1625 * invoke.texi: Update.
1627 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1629 * sh.md (reload_outsf): Generate recognizable patterns for
1632 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1634 * c-lang.c (lang_hooks): Update.
1635 (lang_init): Rename c_init.
1636 (lang_finish): Remove.
1637 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1639 * toplev.h (lang_hooks): Add init () and finish ().
1640 * tree.h (lang_init, lang_finish): Remove.
1641 * cp/tree.h (lang_init, lang_finish): Remove.
1642 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1643 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1645 (lang_init, lang_finish): Remove.
1646 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1647 (lang_hooks): Update.
1648 * java/lang.c (lang_init): Rename java_init.
1649 (lang_finish): Remove.
1650 (lang_hooks): Update.
1651 * objc/objc-act.c (lang_init): Rename objc_init.
1652 (lang_finish): Remove.
1653 (lang_hoooks): Update.
1655 20001-01-09 Graham Stott <grahams@redhat.com>
1657 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1658 after `ptr` is initialised.
1660 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1662 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1663 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1664 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1665 stack adjusts, instead of r3.
1667 2001-01-09 Michael Hayes <mhayes@redhat.com>
1669 * flow.c (flow_loop_scan): Break out of ...
1670 (flow_loops_find) ... here.
1671 * basic-block.h (flow_loop_scan): New.
1672 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1673 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1675 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1677 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1679 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1680 realloc()ing macro_buffer.
1682 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1683 if it's wider than long and the target's long is wider than the
1686 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1688 Remove support for using UWIN as a host machine.
1689 * configure.in: Issue an error message.
1690 * configure: Regenerated.
1691 * config.gcc: Remove xm_* UWIN configury.
1692 * config/i386/xm-uwin.h: Remove.
1694 2001-01-08 Nick Clifton <nickc@redhat.com>
1696 * config/v850/v850.c (ra_rtx): Delete.
1697 (v850_save_machine_status): Delete.
1698 (v850_restore_machine_status): Delete.
1699 (v850_init_machine_status): New function.
1700 (v850_mark_machine_status): New function.
1701 (v850_free_machine_status): New function.
1702 (v850_return_addr): Use ra_rtx field in machine structure.
1703 (v850_init_expanders): Use new functions.
1705 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1706 * config/v850/v850.c: Change arguments to v850_output+* functions
1707 to take a const char *, to avoid compile time warning.
1708 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1709 (USER_LABEL_PREFIX): Redefine.
1711 2000-01-08 Jim Wilson <wilson@redhat.com>
1713 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1714 1 to unsigned HOST_WIDE_INT before left shift.
1716 2001-01-08 Nick Clifton <nickc@redhat.com>
1718 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1719 the machine structure has been allocated.
1720 (arm_free_machine_status): New function: Free the machine
1721 specific function structure.
1723 2001-01-08 Richard Henderson <rth@redhat.com>
1725 * jump.c (simplejump_p): Revert last change.
1727 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1729 * cppinit.c (init): Rename init_library.
1730 (cpp_create_reader): Update.
1731 * gcc.c (cpp_options): If -o given, use it as the target of
1734 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1736 * arm.c (arm_arch5e): New variable.
1737 (all_cores): XScale is a 5TE device.
1738 (arm_override_options): Set arm_arch5e.
1739 (arm_init_builtins): __builtin_prefetch is in arch5e.
1740 * arm.h (arm_arch5e): Declare it.
1742 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1744 * arm.md (define_constants): Add defines for UNSPEC and
1745 UNSPEC_VOLATILE insns. Update all users.
1746 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1747 * arm.c (multi_register_push, note_invalid_constants)
1748 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1749 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1750 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1752 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1754 * jump.c (jump_optimize_1): Use reversed_comparison_code
1755 instead of can_reverse_comparison_p.
1756 (jump_back_p): Likewise.
1757 (invert_exp_1): Likewise.
1758 (thread_jumps): Likewise.
1759 * simplify-rtx.c (simplify_unary_operation): Likewise.
1760 (simplify_ternary_operation): Likewise.
1761 * cse.c (find_comparison_args): Convert to use
1762 can_reverse_comparison_p.
1763 (record_jump_equiv): Likewise.
1765 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1767 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1768 (EPILOGUE_USES): Define.
1769 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1770 automatically stack the LR if it isn't live.
1772 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1774 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1777 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1779 * ggc-page.c (max_alignment): New structure.
1780 (MAX_ALIGNMENT): New macro.
1781 (init_ggc): Use it to round up the sizes in the
1782 extra_order_size_table.
1784 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1786 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1789 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1791 * builtins.def (BUILT_IN_FPRINTF): New entry.
1793 * c-common.c (c_expand_builtin_fprintf): New function.
1794 (init_function_format_info): Handle __builtin_fprintf.
1795 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1796 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1798 * c-decl.c (duplicate_decls): Adjust comment.
1800 * extend.texi (fprintf): Document new builtin.
1802 2001-01-07 Richard Henderson <rth@redhat.com>
1804 * jump.c (simplejump_p): Recognize any single_set jump
1807 2001-01-07 Richard Henderson <rth@redhat.com>
1809 * configure.in (slibdir): Accept an --with-slibdir option.
1810 Use "test" not "[" in configure. Default to $(libdir).
1812 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1814 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1815 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1816 (SHLIB_LINK): Create links for the soname.
1817 * config/mips/t-iris6: Likewise.
1818 * config/sparc/t-slibgcc: Likewise.
1819 * config/sparc/t-slibgcc-sld: Likewise.
1821 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1823 * config/i386/i386.c (constant_call_address_operand): Accept
1824 (const (plus (symbol_ref) (const_int))).
1825 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1826 constant_call_address_operand.
1828 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1830 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1831 and LONG_LONG_TYPE_SIZE > 32.
1833 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1835 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1836 the previous change.
1838 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1840 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1842 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1843 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1844 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1847 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1849 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1851 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1853 * c-lang.c (c_post_options): Call cpp_post_options.
1854 * objc/objc-act.c (objc_post_options): Similarly.
1855 * cppmain.c (main): Similarly.
1856 * fix-header.c (read_scan_file): Similarly.
1857 * cppinit.c (cpp_start_read): Move option consistency checks
1858 to cpp_post_options. Don't call init_dependency_output.
1859 If needed, add default target and main file dependency.
1860 (OPT_MD, OPT_MMD): Remove.
1862 (cpp_handle_option): Update for OPT_* changes.
1863 (cpp_post_options): New.
1864 (init_dependency_output): Command line -MF overrides environment
1865 variables. Don't set default target etc. Suppress output
1866 if dependencies are going to stdout.
1867 (print_help): Update.
1868 * cpplib.h (cpp_post_options): New.
1869 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1871 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1873 * jump.c (comparison_dominates_p): Support unordered compares.
1875 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1877 * simplify-rtx.c (simplify_relational_operation): Always simplify
1878 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1881 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1883 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1884 (nonzero_bits): Likewise.
1885 (simplify_comparison): Likewise.
1886 (num_sign_bit_copies): Likewise; return more sane value depending
1887 on STORE_FLAG_VALUE.
1888 (known_cond): Do not assume EQ to be always true for equivalent
1891 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1893 * cse.c (fold_rtx): Handle unordered comparisons.
1895 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1897 * rtlanal.c (set_of_1): New static function.
1898 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1899 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1900 reg_set_last_last_regno): Remove.
1901 (set_of): New global function.
1902 (set_of_data): New structure.
1903 (reg_set_p, reg_set_last): Revamp for set_of.
1904 * rtl.h (set_of): New.
1906 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1908 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1909 * extend.texi: Document _Exit builtin.
1911 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1913 * (initialize, initialize_builtins,
1914 initialize_dependency_output, initialize_standard_includes):
1915 Rename s/initialize/init. Update.
1916 (init_dependency_output): Move to after
1917 cpp_handle_options, the correct location temporally at least.
1918 (opt_comp): Move next to init (), its caller. Fix prototype.
1919 (init): Make "initialized" local scope.
1920 (cpp_create_reader): Always call init ().
1921 (cpp_start_read): Update.
1922 (output_deps): New function, broken out of cpp_finish.
1923 (cpp_finish): Break out output_deps.
1925 2001-01-07 Richard Henderson <rth@redhat.com>
1927 * collect2.c (COFF specific stuff): Revert 12-06 patch
1928 to prototype system functions.
1930 2001-01-07 Michael Hayes <mhayes@redhat.com>
1932 * hard-reg-set.h: Add multiple include guard.
1933 * basic-block.h (struct loop): Add `sink' field.
1934 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1935 (emit_iv_add_mult): Delete.
1936 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1937 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1938 (unroll_loop): Remove end_insert_before argument.
1939 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1940 (maybe_eliminate_biv_1): Likewise.
1941 (emit_iv_add_mult): Delete.
1942 (gen_add_mult, loop_regs_update): New.
1943 (loop_insn_emit_after, loop_insn_emit_before): New.
1944 (loop_insn_sink, loop_insn_sink_or_swim): New.
1945 (emit_iv_add_mult): Delete.
1946 (scan_loop): Set loop->sink.
1947 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1948 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1949 (maybe_eliminate_biv_1): Likewise.
1950 (maybe_eliminate_biv_1): Add basic block argument.
1951 * unroll.c (unroll_loop): Remove end_insert_before argument.
1952 (find_splittable_regs): Likewise.
1953 (find_splittable_regs): Use loop_insn_sink and its ilk.
1954 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1956 2001-01-07 Michael Hayes <mhayes@redhat.com>
1958 * loop.h (loop_insn_hoist): New prototype.
1959 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1960 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1961 (check_dbra_loop, load_mems): Likewise.
1962 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1963 (find_splittable_givs): Likewise.
1965 2001-01-07 Michael Hayes <mhayes@redhat.com>
1967 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1969 2001-01-07 Richard Henderson <rth@redhat.com>
1971 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1973 2001-01-07 Richard Henderson <rth@redhat.com>
1975 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1976 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1977 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1978 variant that handles a shared libgcc.
1979 (process_command): Always validate -{static,shared}-libgcc.
1980 (do_spec_1): New 'M' case.
1981 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1983 2001-01-07 Richard Henderson <rth@redhat.com>
1985 * Makefile.in (slibdir): New variable.
1986 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1987 (installdirs): Create slibdir.
1988 (install-libgcc, install-multilib): Defer to libgcc.mk.
1989 * configure.in (slibdir): Substitute.
1990 * mklibgcc.in (install): New target.
1992 * config/t-linux (SHLIB_LINK): Create links for the soname.
1993 (SHLIB_INSTALL): New.
1994 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1995 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1996 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1997 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1998 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2000 2001-01-07 Richard Henderson <rth@redhat.com>
2002 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2003 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2004 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2006 2001-01-07 Michael Hayes <mhayes@redhat.com>
2008 * loop.c (count_loop_regs_set): Delete.
2009 (load_mems_and_recount_loop_regs_set): Delete.
2010 (loop_regs_scan): Merge common code from count_loop_regs_set,
2011 scan_loop, and load_mems_and_recount_loop_regs_set.
2012 (scan_loop): Call load_mems directly and loop_regs_scan
2013 again if new registers created.
2015 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2017 * toplev.c (main): Call the front-end specific post_options
2018 hook if one is given.
2019 * toplev.h (struct_lang_hooks, lang_hooks): New.
2020 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2021 for the C front end.
2022 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2023 lang_hooks for the C++ front end.
2024 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2025 lang_hooks for the ObjC front end.
2026 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2027 * java/lang.c (lang_hooks): Hooks for the Java front end.
2029 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2031 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2032 for verbose DWARF[2] debugging.
2033 (cb_define, cb_undef): The new callbacks.
2034 * toplev.h (debug_define, debug_undef): Make const correct.
2035 * toplev.c (debug_define, debug_undef): Similarly. Do not
2036 perform the verbosity tests here anymore.
2038 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2040 * reload.c (subst_reloads): Take INSN argument. When
2041 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2042 * reload.h (subst_reloads): Adjust prototype.
2043 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2044 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2045 present in JUMP_INSNs and copy them to JUMP_LABEL.
2046 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2047 JUMP_INSNs and insns with REG_LABELs that are followed by
2048 JUMP_INSNs with the same REG_LABEL.
2049 * sched-rgn.c (is_cfg_nonregular): Likewise.
2050 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2052 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2054 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2056 2001-01-06 Richard Henderson <rth@redhat.com>
2058 * loop.c (scan_loop): Use xcalloc for the regs array.
2059 (load_mems_and_recount_loop_regs_set): Zero the new memory
2060 received from xrealloc.
2062 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2064 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2066 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2068 * integrate.c (copy_rtx_and_substitute): When copying
2069 an ignored return value, strip REG_FUNCTION_VALUE_P.
2071 2001-01-06 Michael Hayes <mhayes@redhat.com>
2073 * loop.c (debug_biv, debug_giv): New.
2074 (loop_biv_dump): Break out from ...
2075 (record_biv): ... here.
2076 (loop_giv_dump): Break out from ...
2077 (record_giv): ... here.
2078 (loop_bivs_check): Use print_simple_rtl.
2079 * unroll.c (loop_iterations): Use print_simple_rtl.
2081 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2083 * pa.md (return, return_internal): Modify patterns to prevent regrename
2084 mucking with the return pointer.
2086 2001-01-05 Richard Henderson <rth@redhat.com>
2088 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2090 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2092 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2093 version supplied by Matteo Frigo.
2095 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2097 * cpp.texi: Update for -MQ.
2098 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2099 (cpp_cleanup): Always free pfile->deps.
2100 (initialize_dependency_output): Don't create pfile->deps.
2101 (cpp_handle_option): Similarly.
2103 * gcc.c (cpp_options): Handle -MQ.
2104 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2105 * mkdeps.c (base_name): Remove.
2106 (deps_init): Don't allocate vector space until it's needed.
2107 (deps_free): Only free vectors if allocated.
2108 (deps_add_target, deps_add_dep): Update for initial allocation.
2109 (deps_add_default_target): Don't strip to the base_name.
2111 2001-01-05 DJ Delorie <dj@redhat.com>
2113 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2114 (INIT_EXPANDERS): Define.
2116 * config/v850/v850.c (struct machine_function): Define.
2117 (v850_save_machine_status): New function.
2118 (v850_restore_machine_status): New function.
2119 (v850_return_addr): New function.
2120 (v850_init_expanders): New function.
2122 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2123 and v850_init_expanders.
2125 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2127 * cpplib.h (struct cpp_reader): Add help_only field.
2128 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2129 (cpp_handle_option): Set pfile->help_only if we see -h,
2130 --help, -target-help, or --version. Print version string but
2131 do not set help_only if we see -v or -version. Make text
2132 printed by -v match that printed by (-)-version.
2134 * cppmain.c (main): Exit after option parsing if
2135 pfile->help_only is true.
2137 * toplev.c (independent_decode_option): Call print_version,
2138 then exit, if we see --version (but not -version).
2139 (print_version): Split lengthy message into two lines.
2141 2001-01-05 Nick Clifton <nickc@redhat.com>
2143 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2144 temporary string for initialisation before calling ggc_alloc_string.
2146 2001-01-06 Michael Hayes <mhayes@redhat.com>
2148 * rtl.h (print_simple_rtl): New.
2149 * print-rtl.c (print_simple_rtl): New.
2151 (print_rtx): Disable printing of flags and modes, etc.,
2152 if `flag_simple` nonzero.
2154 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2156 * function.c (fixup_var_refs): Use push_to_full_sequence where
2159 2001-01-05 Michael Meissner <meissner@redhat.com>
2161 * flags.h (flag_reorder_blocks): Add declaration.
2162 (flag_rename_block): Ditto.
2164 2001-01-05 DJ Delorie <dj@redhat.com>
2166 * function.c (reorder_blocks): Make sure the flags are all reset
2167 before using them to mark blocks, else a second invocation will
2168 corrupt the block chain.
2169 (reorder_blocks_0): New, resets the flags.
2171 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2173 * cse.c (find_comparison_args): Stop if the argument is known to
2176 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2178 * config/sh/sh.md (movdf): When splitting load into pair of
2179 registers, don't clobber the register used in the address too
2182 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2184 * varasm.c (mark_constant_pool): Improve initial comments.
2185 (mark_constants): Move marking of constants to mark_constant.
2186 (mark_constant): New function to recursively mark all constants
2187 referred to by a constant.
2189 2001-01-05 Catherine Moore <clm@redhat.com>
2191 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2193 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2195 * cp/lang-options.h: Bring comment in line with reality.
2196 * f/lang-options.h: Likewise.
2197 * java/lang-options.h: Likewise.
2198 * objc/lang-options.h: Likewise.
2199 * ch/lang-options.h: Likewise.
2200 * f/g77.texi: And update the manual.
2202 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2203 Denis Chertykov <denisc@overta.ru>
2205 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2206 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2207 * config/avr/avr.md (all peepholes that request a scratch register):
2208 Call it, FAIL the peephole if not safe (in interrupt functions).
2210 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2212 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2214 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2216 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2218 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2219 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2220 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2221 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2222 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2224 * extend.texi: Document these builtins.
2226 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2228 * c-common.c (lang_get_alias_set): Say we know nothing of
2229 VECTOR_TYPE aliasing.
2231 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2233 2001-01-05 Bruce Korb <bkorb@gnu.org>
2235 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2236 their x* equivalent versions for atexit-less systems
2237 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2238 systems (or any other system any more).
2240 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2242 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2243 output operands. Use arm_hard_register_operand for operand 4.
2244 (stmsi_postinc): Similarly.
2245 (ldmsi): Use arm_hard_register_operand for opernand 2.
2247 * arm.c (arm_hard_register_operand): New function.
2248 * arm-protos.h (arm_hard_register_operand): Prototype it.
2250 * arm.h (HARD_REGNO_RENAME_OK): Define.
2252 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2254 * simplify-rtx.c (cfc_args): add "unordered" field.
2255 (check_fold_consts): Set unordered field.
2256 (simplify_relational_operation): Simplify the unordered
2259 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2262 * emit-rtl.c (try_split): Fix code to mark labels.
2263 * jump.c (mark_jump_label): Make global.
2264 * rtl.h (mark_jump_label): Declare.
2266 * predict.c (estimate_probability): Handle unordred comparisons.
2268 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2270 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2271 * cppinit.c (initialize_dependency_output): Update.
2272 (cpp_finish): Output dummy targets for -MP.
2274 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2275 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2276 * gcc.c (cpp_options): Update to handle -MP.
2277 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2278 to quote only the default target.
2279 (deps_phony_targets): Insert a preceding newline. Rename from
2280 deps_dummy_targets for consistency.
2283 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2285 * calls.c (emit_library_call_value_1): Support
2286 INIT_CUMULATIVE_LIBCALL_ARGS.
2287 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2289 2001-01-04 Richard Henderson <rth@redhat.com>
2291 * c-decl.c (finish_struct): Detect flexible array members
2292 used in an inappropriate context.
2293 * c-typeck.c (really_start_incremental_init): Special case
2294 constructor_max_index for zero length arrays.
2295 (pop_init_level): Allow initialization of flexible array
2296 members. Deprecate initialization of zero length arrays.
2297 Don't issue missing initializer warning for flexible array
2298 members or zero length arrays.
2299 (process_init_element): Don't dereference null DECL_SIZE.
2300 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2301 Don't abort for empty constructors. Use size_binop
2302 (output_constructor): Add commentary regarding zero length
2303 array futures. Abort if we try to initialize an array of
2304 unspecified length with a non-empty constructor in the middle
2307 * extend.texi (Zero Length): Update and clarify documentation
2308 on static initialization.
2310 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2312 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2313 with more than 32767 words of local storage.
2315 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2317 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2318 for 'abs', 'labs', and 'fabs'.
2319 (c4x_expand_builtin): Likewise.
2320 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2322 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2324 * config/sh/sh.md (prget, prset): New insn types.
2325 (return delay slot): Dont' allow prset.
2326 (call, sfunc delay slot): Don't allow prget.
2327 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2328 for prset and prget.
2330 2001-01-05 Michael Hayes <mhayes@redhat.com>
2332 * loop.h (struct loop_reg): New.
2333 (struct loop_regs): Change to use array of `struct loop_reg'.
2334 * loop.c: Replace assortment of varrays with single regs array.
2335 (count_one_set): Delete may_not_move array argument
2336 and use regs array instead. All caller's changed.
2337 (count_loop_regs_set): Delete may_not_move and single_usage
2338 arguments and use regs array instead. All caller's changed.
2339 (find_single_use_in_loop): Replace usage array argument with pointer
2340 to regs structure. All caller's changed.
2341 (loop_optimize): Delete `moved_once' array.
2343 2001-01-05 Michael Hayes <mhayes@redhat.com>
2345 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2346 Use it instead of loop_info->has_call for scanning loop mems.
2347 (check_dbra_loop): Replace loop_info->has_call test with
2348 loop_info->has_nonconst_call.
2350 2000-01-04 Matthew Hiller <hiller@redhat.com>
2352 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2355 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2357 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2358 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2360 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2362 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2363 (flag_short_double, flag_short_wchar): Define.
2364 (c_common_nodes_and_builtins): Create many tree nodes shared
2365 between C and C++ here instead of in cp/decl.c and ...
2366 * c-decl.c (init_decl_processing): ... here.
2367 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2368 (flag_short_double, flag_short_wchar): Don't define.
2369 (record_builtin_type): New function.
2370 (build_void_list_node): New function.
2371 * c-common.h (flag_short_double, flag_short_wchar,
2372 record_builtin_type, build_void_list_node): Declare.
2374 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2376 * integrate.c (expand_inline_function): Don't put a virtual
2377 register into the reg map.
2379 * function.c (fixup_var_refs_1): If force_operand didn't put
2380 the address into the target, move it there.
2382 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2384 Special-case tree_decl/tree_list allocations.
2385 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2386 (OBJECT_SIZE): New macro.
2387 (NUM_EXTRA_ORDER): Likewise.
2388 (extra_order_size_table): New variable.
2389 (NUM_ORDERS): New macro.
2390 (objects_per_page_table): New variable.
2391 (object_size_table): New variable.
2392 (G.pages): Use NUM_ORDERS to bound the array.
2393 (G.page_tails): Likewise.
2394 (DIV_ROUND_UP): Remove.
2395 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2396 (alloc_page): Use OBJECT_SIZE.
2397 (size_lookup): Don't make it const.
2398 (ggc_alloc): Use OBJECT_SIZE.
2399 (ggc_set_mark): Likewise.
2400 (ggc_get_size): Likewise.
2401 (init_ggc): Set up the object_size_table, objects_per_page_table,
2402 and adjust size_lookup.
2403 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2404 (ggc_pop_context): Use NUM_ORDERS.
2405 (clear_marks): Likewise.
2406 (sweep_pages): Likewise.
2407 (poison_pages): Likewise.
2408 (ggc_print_statistics): Use OBJECT_SIZE.
2410 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2412 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2413 Only call array_size_for_constructor if last field and array type
2414 with no upper bound.
2416 2001-01-04 Philip Blundell <philb@gnu.org>
2418 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2419 from bit 31 downwards, if this requires no more insns.
2420 (count_insns_for_constant): New helper function for above.
2422 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2424 * gencodes.c (output_predicate_decls): Remove empty initializer.
2426 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2428 * tree.c (copy_node): Remove documentation about obstacks.
2429 (buidl1): Check that nobody tries to build 2-argument nodes this
2432 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2434 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2437 * gencodes.c (output_predicate_decls): Fill empty initializer
2440 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2442 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2443 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2445 (do_include): Handle missing headers like cpp0.
2446 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2447 paths with first include pathname. Don't strcat to uninitialized
2450 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2452 * regrename.c (regrename_optimize): Don't rename from frame pointer
2453 if frame_pointer_needed.
2454 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2455 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2456 (ia64_reorg): Use it instead of scheduling if ! optimize.
2457 (errata_emit_nops): Properly call asm_noperands.
2458 (ia64_sched_reorder): Finish cycle if we see an asm.
2459 (ia64_variable_issue): Clear scheduling state after asms.
2461 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2463 * cpp.texi: Update for -MT.
2464 * cppinit.c (initialize_dependency_output): Add a default
2465 target if none has been given already.
2466 (no_tgt, OPT_MT): New.
2467 (cpp_handle_option): Handle -MT. Update -M etc.
2468 * cpplib.h (struct cpp_options): Remove deps_target.
2469 * gcc.c (cpp_options): Handle -MT.
2470 * mkdeps.c (struct deps): Move from mkdeps.h.
2471 (deps_calc_target): Rename deps_add_default_target. Add a
2472 default target if none has been specified already.
2473 * mkdeps.h (struct deps): Move to mkdeps.c.
2474 (deps_calc_target): Rename deps_add_default_target.
2476 2000-01-03 Richard Henderson <rth@redhat.com>
2478 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2480 * c-typeck.c (push_init_level): Move checks for flexible array
2481 members and zero length arrays ...
2482 (pop_init_level): ... here. Silently discard empty initializations.
2484 * varasm.c (output_constructor): Update for sizeof change to
2487 * extend.texi (Zero Length): Clarify semantics.
2489 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2491 * configure.in (tm.h): Include isns-codes.h last.
2492 * configure: Rebuilt.
2494 2001-01-03 Richard Henderson <rth@redhat.com>
2496 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2497 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2499 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2501 * tradcpp.c (main): Make sure finclude() is called with a valid
2502 indepth value while handling -include.
2504 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2506 * gencodes.c (output_predicate_decls): New function.
2508 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2509 even if it is not the first time machmode.h is #included.
2510 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2511 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2512 * gcc.texi (Copyright): Added 2001.
2514 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2516 * c-common.c (c_common_lang_init): New function. Warn if format
2517 warning options which only have effects when used with -Wformat
2518 are used without -Wformat.
2519 * c-common.h (c_common_lang_init): Declare.
2520 * c-lang.c (lang_init): Call c_common_lang_init.
2521 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2523 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2525 * configure.in: Check for the mktemp command.
2526 * configure: Regenerate.
2527 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2528 $TEMP. Create temporary files with mktemp, if available at
2529 configure time; otherwise use set -C. Remove temporary files
2532 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2534 * configure.in: Require at least texinfo 4.0. Check for whether
2535 Pod::Man is sufficiently recent to regenerate GCC manpages.
2536 * configure: Regenerate.
2537 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2539 (GENERATED_MANPAGES): Define.
2540 (generated-manpages): New target. Depend on cpp.1 as well as
2542 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2543 configure to generated-manpages or empty) rather than on the
2544 manpages directly. Remove execute permission from installed
2545 gcov.1 as well as cpp.1.
2546 * cpp.1, gcov.1: Regenerate.
2548 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2550 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2551 tree_low_cst. Allow using cmpstrsi in more cases.
2553 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2555 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2558 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2560 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2561 * Makefile.in (HOST_CFLAGS): Mention build-make.
2563 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2565 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2568 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2570 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2573 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2576 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2577 reg_base_value and reg_known_value arrays.
2578 (init_alias_analysis): Add more cases to detect known values.
2579 * sched-deps.c (deps_may_trap_p): New function.
2580 (sched_analyze_2): Use it.
2582 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2584 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2585 don't discard an ASHIFTRT if we're shifting in a wider mode.
2587 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2589 * toplev.c (rest_of_compilation): Don't print basic block information
2590 when CFG isn't up to date.
2592 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2594 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2595 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2596 (UNALIGNED_SHORT_ASM_OP): Define.
2597 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2599 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2601 * fold-const.c (fold_convert): Fix typo.
2603 2001-01-02 Richard Henderson <rth@redhat.com>
2605 * c-common.h (ASM_INPUT_P): New.
2606 * c-parse.in (asm): Set it when needed.
2607 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2608 existance of an operand.
2610 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2612 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2613 (dwarf2out_frame_debug_expr): Likewise.
2614 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2616 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2618 * i386.c (ix86_split_to_parts): Return number of part required;
2620 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2622 (ix86_split_long_move): Use number of part returned
2623 by ix86_split_to_parts
2624 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2626 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2627 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2628 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2629 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2630 (ALIGN_MODE_128): Add TFmode.
2631 (IS_STACK_MODE): Likewise.
2632 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2633 (HARD_REGNO_OK): Support TFmodes.
2634 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2635 * i386.md (scheduler definitions): Use memory operand to determine
2636 fst/fld instructions; use mode attribute to determine real mode of
2638 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2639 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2641 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2643 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2645 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2647 * expr.c (store_constructor_field): Update ALIGN before calling
2650 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2652 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2655 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2657 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2660 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2662 * c-decl.c (start_function): Don't warn on third parameter to main.
2664 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2666 * tsystem.h: Define HAVE_DECL_GETOPT.
2668 2001-01-02 Philip Blundell <pb@futuretv.com>
2670 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2673 2001-01-02 Richard Henderson <rth@redhat.com>
2675 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2677 2001-01-02 Andreas Jaeger <aj@suse.de>
2679 * c-decl.c (c_decode_option): Remove support of
2682 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2683 (W_options): Add -Wmissing-noreturn here.
2685 * flow.c: Define lang_missing_noreturn_ok_p.
2686 (check_function_return_warnings): Use it.
2688 * c-common.h: Declare lang_missing_noreturn_ok_p.
2690 * c-lang.c (c_missing_noreturn_ok_p): New function.
2691 (lang_init): Set lang_missing_noreturn_ok_p.
2693 * invoke.texi (Warning Options): Document this.
2695 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2697 * extend.texi (C++ Extensions): New node for C++ attributes;
2698 describe init_priority and com_interface.
2699 * invoke.texi: Remove -finit-priority as it now has zero effect.
2700 * install.texi: Fix xref syntax.
2701 * md.texi: Likewise.
2703 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2705 * config.gcc (sparc64-wrs-vxworks*): New case.
2706 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2708 * config/sparc/sparc.c (sparc_override_options): Do support different
2709 pointer and architecture size.
2710 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2711 (POINTERS_EXTEND_UNSIGNED): Define.
2712 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2713 (FUNCTION_MODE): Define to be Pmode.
2714 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2716 * function.c (expand_function_end): Properly handle DECL_RESULT
2717 and copy when ptr_mode != Pmode.
2718 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2720 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2722 * c-common.c (c_common_nodes_and_builtins): Set prototype
2723 parameters for __builtin_fputs, __builtin_fputc and
2724 __builtin_fwrite. Don't declare plain fputc as a builtin.
2726 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2728 * loop.c (add_label_notes): Increment the label usage count when
2729 a note is added to an insn which refers to a CODE_LABEL.
2730 * gcse.c (add_label_notes): Likewise.
2732 2001-01-01 Andreas Jaeger <aj@suse.de>
2734 * loop.c (scan_loop): Use xmalloc to allocate movables.
2736 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2738 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2739 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2740 * reload1.c (REGISTER_MOVE_COST): Likewise.
2741 * regclass.c (REGISTER_MOVE_COST): Likewise.
2742 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2743 dimension. Adjust all users.
2744 (init_reg_sets_1): Iterate on all modes.
2745 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2746 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2747 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2748 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2749 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2750 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2751 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2752 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2753 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2754 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2755 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2756 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2757 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2758 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2759 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2760 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2761 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2762 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2763 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2764 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2765 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2766 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2767 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2768 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2769 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2770 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2771 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2773 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2775 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2776 arg VARIES_P. Call it with extra arg.
2777 (true_dependence): Likewise.
2778 * rtl.h (rtx_addr_can_trap_p): Declare.
2779 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2781 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2782 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2783 pic offset table register if it's zero. All callers changed.
2784 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2786 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2788 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2789 STRING_POOL_ADDRESS_P.
2791 * config/sparc/sparc.c (input_operand): Properly test for short op.
2793 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2794 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2795 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2796 * config/sparc/elf.h: No longer include sol2.h.
2797 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2798 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2800 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2802 2001-01-01 Michael Hayes <mhayes@redhat.com>
2804 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2805 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2806 (record_initial): Likewise.
2807 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2808 (remap_split_bivs): Likewise.
2810 2001-01-01 Michael Hayes <mhayes@redhat.com>
2812 * loop.c (loop_ivs_free): New function.
2813 (strength_reduce): Break out from...
2815 2001-01-01 Michael Hayes <mhayes@redhat.com>
2817 * loop.h (struct iv): New.
2818 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2819 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2820 'reg_biv_class' fields with 'regs' and 'n_regs'.
2821 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2822 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2823 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2825 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2827 * resource.c (mark_referenced_resources): Abort() before
2828 attempting to mark a pseudo register.
2829 (mark_set_resources): Likewise.
2831 2001-01-01 Michael Hayes <mhayes@redhat.com>
2833 * loop.h (REG_IV_CLASS): New accessor macro.
2834 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2835 * unroll.c (REG_IV_CLASS): Likewise.
2837 See ChangeLog.4 for earlier changes.