1 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4 * c4x.c (c4x_legitimize_reload_address): Remove.
5 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6 reload address for ldp(k) insn.
8 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
10 * pa.md (return_internal): Add a USE of the PIC register to ensure
11 it is restored after each call.
12 (return expander): Corresponding changes.
14 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16 * rs6000.h (INIT_EXPANDERS): Delete.
17 (RETURN_ADDR_RTX): Call rs6000_return_addr().
18 * rs6000.c (rs6000_override_options): Call *_machine_status from
20 (rs6000_init_expanders): ...instead of here. Delete.
21 (rs6000_mark_machine_status): New function.
22 (rs6000_init_machine_status): Use xcalloc.
23 (rs6000_return_addr): Generate RTX for the return address.
24 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
25 (rs6000_stack_info): Use it.
27 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
29 * gthr-win32.h: Include errno.h to get a declaration for
30 EINVAL and _mingw.h if the target is mingw32.
32 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
34 * cpp.texi: Correct typos.
36 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
38 * explow.c (probe_stack_range): Ensure value passed to
39 stack_check_libfunc is ptr_mode, not Pmode.
41 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
43 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
44 case, don't use operand_subword to calculate a SUBREG that is
47 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
49 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
51 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
52 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
53 valid. If not replace it by equivalent insns.
55 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
57 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
58 contains SYMBOL_REF, LABEL_REF and CONST_INT.
59 (c4x_U_constraint, symbolic_address_operand): Likewise.
60 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
62 (c4x_r11_set_p, c4x_check_laj_p): New functions.
63 * c4x-protos.h (c4x_check_laj_p): Add prototype.
64 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
65 anulling slot because of silicon bug.
66 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
68 2001-01-22 Alan Modra <alan@linuxcare.com.au>
70 * cppexp.c (parse_charconst): Change `mask' type to agree
73 2001-01-21 Richard Henderson <rth@redhat.com>
75 * config/i386/i386.c (ix86_asm_file_end): Disable putting
76 pic_label_name in a linkonce section.
78 2001-01-17 Philipp Thomas <pthomas@suse.de>
80 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
82 * configure: Regenerate.
84 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
86 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
87 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
89 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
91 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
92 If REVERSE nonzero then condition code in X must be reversed.
93 (encode_section_info): Optimise if/else.
94 (avr_function_value): Fix formatting.
96 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
97 (difficult_branch): Likewise.
99 (difficult_rvbranch): Likewise.
101 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
103 * config/avr/libgcc.S: Fix comment.
105 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
107 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
109 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
111 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
113 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
115 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
116 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
117 * configure, config.in: Regenerate.
118 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
119 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
120 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
121 (doprint.o): New rule.
123 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
125 * c-typeck.c (digest_init): Handle boolean types as scalars.
127 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
129 * stmt.c (expand_return): Don't return anything if size is zero.
130 Delete redundant assignment to BYTES.
131 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
133 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
135 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
136 the same as the default library function names.
137 * config/avr/avr.md: Document special characters after '%'.
138 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
139 knowing which of the call-used registers are really clobbered.
140 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
141 New. Both quotient and remainder from one libgcc.S call.
142 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
143 clobber as few registers as possible.
144 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
146 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
148 * cppmacro.c (funlike_invocation_p): Don't move back up to the
149 context of the top of the stack.
151 2001-01-20 Jakub Jelinek <jakub@redhat.com>
153 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
154 (fixup_var_refs_insns): ...here.
156 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
158 * function.c (fixup_var_refs_insns): Break up into
159 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
160 [loop over entire insn list], and fixup_var_refs_insns_with_hash
161 [loop over hash table entries].
162 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
163 fixup_var_refs_insns_with_hash, to match above changes.
165 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
167 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
168 (libgcc.a): Likewise.
169 (stmp-multilib): Likewise.
170 (STAGE2_FLAGS_TO_PASS): Likewise.
172 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
174 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
175 temporary if no_new_pseudos.
177 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
179 * cppinternals.texi: Update.
181 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
183 * arm.c (arm_init_builtins): Re-enable builtins.
185 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
187 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
188 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
189 element to be null, and always expect an EXPR_LIST.
190 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
191 * sched-deps.c (sched_analyze_1): Likewise.
192 * sched-rgn.c (check_live_1, update_live_1): Likewise.
194 * regclass.c (max_set_parallel): New variable.
195 (reg_scan): Take it into account in computation of max_parallel.
196 (reg_scan_mark_refs, case SET): Compute it.
198 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
200 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
201 * function.c (assign_parms): Use INTVAL for a CONST_INT.
203 2001-01-19 Jason Merrill <jason@redhat.com>
205 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
206 for the abstract instance of an inline function.
208 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
209 J"orn Rennecke <amylaar@redhat.com>
211 * reload1.c (move2add_note_store): Treat all registers directly or
212 indirectly derived from a base register as members of the same set
214 (reload_cse_move2add): Adjust accordingly. Take mode and offset
215 of base register into account.
217 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
219 * alias.c (find_base_value): Recognize TRUNCATE.
220 (record_set): In PLUS case, invalidate if other summand is also a
223 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
225 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
226 entry to be EXPR_LIST.
227 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
228 be an EXPR_LIST (but not null, which other code doesn't allow).
229 (note_stores): Properly handle PARALLEL in SET.
230 Recursively call for top-level PARALLEL.
231 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
232 * sched-rgn.c (check_live_1, update_live_1): Likewise.
234 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
236 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
238 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
239 not pfile->skipping (== 0).
241 2001-01-17 Nick Clifton <nickc@redhat.com>
243 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
246 2001-01-17 Jim Wilson <wilson@redhat.com>
248 * invoke.texi (IA-64 options): Improve.
250 2001-01-17 Tom Tromey <tromey@redhat.com>
252 * invoke.texi (Optimize Options): Use `{}' to around @samp
255 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
257 * invoke.texi (-fno-guess-branch-probability): New option.
259 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
261 * combine.c (try_combine): Don't set i3_subst_into_i2 for
262 case of making new double-word constant.
263 Revert last change: instead just test i3_subst_into_i2.
265 2001-01-17 Jakub Jelinek <jakub@redhat.com>
267 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
268 Use q constraints instead of r.
270 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
272 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
273 (machine_function): Define.
274 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
275 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
276 pa_free_machine_status): New functions.
277 (override_options): Set {init,mark,free}_machine_status to above.
278 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
279 PIC_OFFSET_TABLE_REGNUM_SAVED.
280 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
281 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
282 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
283 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
284 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
286 2001-01-15 DJ Delorie <dj@redhat.com>
288 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
292 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
294 * flow.c (propagate_on_insn): Make trying to delete a prologue
295 or epilogue insn an ICE, not a warning. Allow doing this if
296 the current function returns with stack pointer depressed.
298 * combine.c (try_combine): If i3_subst_into_i2, properly check for
299 I3 having more than one SET.
301 2001-01-16 Jim Wilson <wilson@redhat.com>
303 * invoke.texi: Document IA-64 options.
305 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
306 (fixup_errata): Delete TARGET_A_STEP use.
307 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
308 (TARGET_SWITCHES): Delete -ma-step option.
309 * config/ia64/ia64.md (all FP patterns): Delete %B0.
310 (movqicc_astep, movqi_internal_astep, movhicc_astep,
311 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
312 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
313 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
314 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
316 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
317 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
318 cmovsi_internal): Delete ! TARGET_A_STEP check.
320 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
322 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
323 possibility to report bugs via postal mail. Change a URL and
324 merge in a nearly duplicate statement...
325 (Bug Reporting): ...from here.
326 (Service): Refer to the Bug Reporting section instead of
328 (Contributing): Remove trivial explanations concerning snapshots.
330 2001-01-16 Alan Modra <alan@linuxcare.com.au>
332 * cppmain.c (general_init): Don't use ANSI prototype.
334 2001-01-16 Tom Tromey <tromey@redhat.com>
336 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
338 2001-01-16 Richard Henderson <rth@redhat.com>
340 * config/i386/i386.h: Fix comment typo.
341 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
342 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
344 2001-01-16 Phil Edwards <pme@sources.redhat.com>
346 * gcc.c: Revert previous -fsyntax-only-related change; move
349 2001-01-16 Jakub Jelinek <jakub@redhat.com>
351 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
352 inmode after checking GET_CODE (op).
354 2001-01-16 Richard Henderson <rth@redhat.com>
356 * flow.c (struct propagate_block_info): Add mem_set_list_len.
357 (MAX_MEM_SET_LIST_LEN): New.
358 (propagate_one_insn): Update mem_set_list_len.
359 (invalidate_mems_from_autoinc): Likewise.
360 (invalidate_mems_from_set): Likewise.
361 (mark_used_regs): Likewise.
362 (init_propagate_block_info): Likewise. Stop collecting memories
363 when we reach MAX_MEM_SET_LIST_LEN.
364 (mark_set_1): Likewise.
366 2001-01-16 Richard Henderson <rth@redhat.com>
368 * unroll.c (precondition_loop_p): Fail if no iteration
371 2001-01-16 Phil Edwards <pme@sources.redhat.com>
373 * gcc.c: When -fsyntax-only is given, do not complain about
376 2001-01-15 Richard Henderson <rth@redhat.com>
378 * config/i386/i386.c (asm_output_function_prefix): Remove.
379 (ix86_asm_file_end): New.
380 (load_pic_register): Generate pic_label_name into a
381 staticly allocated buffer.
382 * config/i386/i386-protos.h: Update.
383 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
385 * config/i386/i386afe.h: New file.
386 * config.gcc (i?86-*-elf) [tm_file]: Use it.
387 (i?86-*-{freebsd,linux*,moss*}): Likewise.
388 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
389 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
390 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
391 * config/i386/sco5.h (ASM_FILE_END): Likewise.
392 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
394 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
396 * Makefile.in (install-man): Remove explicit dependency on
399 * configure.in, configure: Revert previous patch requiring perl
402 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
404 * toplev.c (flag_guess_branch_prob): New.
405 (f_options): Add guess-branch-probability option.
406 (rest_of_decl_compilation): Only estimate branch probability if
408 (main): set flag_guess_branch_prob.
410 * flags.h (flag_guess_branch_prob): New.
412 2001-01-15 DJ Delorie <dj@redhat.com>
414 * gcc.texi (Makefile): Add documentation for Makefile targets.
416 2001-01-15 Philip Blundell <philb@gnu.org>
418 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
420 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
421 (is_pic): Delete declaration.
422 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
423 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
424 * config/arm/arm.md (builtin_setjmp_receiver): New.
426 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
428 * arm.c (use_return_insn): Don't try to determine the function type
429 until after reload has completed.
430 (arm_output_epilogue): Don't adjust the sp value recovered from the
432 (emit_multi_reg_push): Don't record dwarf information for the pc.
433 * arm.md (eh_epilogue): The function type may have changed, so it
434 needs to be recalculated.
435 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
436 unwind tables on arm/netbsd.
438 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
440 * arm.md (cbranchsi4): Correct calculation of branch ranges.
441 (negated_cbranchsi4): Likewise.
443 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
445 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
446 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
447 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
448 pass -mapcs-* options to assembler.
449 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
450 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
451 (ASM_SPEC): Call subtarget_extra_asm_spec.
453 2001-01-15 Andreas Jaeger <aj@suse.de>
455 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
457 (ix86_expand_builtin): Likewise.
459 * gencodes.c (output_predicate_decls): Make i size_t to avoid
460 warning about comparison between signed and unsigned.
462 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
464 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
466 2001-01-14 Ralf Baechle <ralf@gnu.org>
468 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
469 SUBTARGET_CPP_SPEC apropriatly.
471 2001-01-12 Mark Mitchell <mark@codesourcery.com>
473 * varasm.c (make_decl_rtl): Fix typo in last change.
475 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
477 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
478 linker supports the init_priority C++ attribute.
479 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
480 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
481 linker does not support init_priority C++ attribute.
483 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
485 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
487 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
489 * c-parse.in (finish_parse): Add comment about cpp_destroy.
490 * cp/lex.c (finish_parse): Similarly.
491 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
492 Return the number of errors encountered.
493 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
494 * cppmain.c (main): Don't call cpp_destroy.
496 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
498 * configure.in: Require at least perl 5.6.0 to regenerate
500 * configure: Regenerate.
502 2001-01-14 Richard Henderson <rth@redhat.com>
504 * genrecog.c (DT_veclen_ge): New.
505 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
506 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
507 (nodes_identical_1): Handle DT_veclen_ge.
508 (write_cond, debug_decision_2): Likewise.
510 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
512 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
514 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
516 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
518 * cppmain.c (do_preprocessing): New function; most of the old
520 (main): Call it to do most of the work.
521 (cb): Move from global scope to set_callbacks ().
522 (setup_callbacks): Get the callback pointer.
523 (general_init, printer_init): Clean up code and comments.
525 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
527 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
530 2001-01-14 Kazu Hirata <kazu@hxi.com>
532 * config/h8300/h8300.c (get_shift_alg): Update comments.
534 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
536 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
537 (alloc_page, ggc_alloc): Add casts to remove warnings.
539 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
541 * combine.c (simplify_comparison): Don't change `code' when
542 can't reverse comparison.
544 2001-01-14 Richard Henderson <rth@redhat.com>
546 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
547 update all call sites. Return true for all non-label constants.
549 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
551 * i386.c (ix86_expand_compare): Add bypass_test and second_test
553 (ix86_expand_branch): Update.
554 (ix86_expand_setcc): Update to handle multiple test conditions.
555 (expand_int_movcc): Likewise.
556 (expand_fp_movcc): Likewise.
557 * i386-protos.h (ix86_expand_compare): New.
558 * i386.md (andqi_?_slp, orqi_?_slp): New.
559 (conditional trap expander): Update call to ix86_expand_compare.
561 2001-01-14 Richard Henderson <rth@redhat.com>
563 * config/vax/vax.md: Use nonimmediate_operand instead of
564 general_operand in destinations.
566 * config/vax/vax.md (indirect_jump): Use register_operand.
568 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
569 * config/vax/vax.md (call_pop): Turn into an expander.
570 (call_value_pop): Likewise.
571 (call, call_value): New.
573 2001-01-14 Andreas Jaeger <aj@suse.de>
575 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
577 (ix86_fp_compare_mode): Add unused attribute.
578 (ix86_expand_fp_movcc): Remove unused variable.
579 (ix86_expand_builtin): Make fcode unsigned.
581 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
582 (expand_expr): Add cast to avoid signed warning.
583 (store_field): Likewise.
584 (store_constructor_field): Likewise.
585 (store_constructor): Likewise.
586 (store_expr): Likewise.
587 (clear_storage): Likewise.
588 (emit_group_store): Likewise.
589 (emit_group_load): Likewise.
591 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
593 * c-common.c: Move format checking code to ...
594 * c-format.c: ... here. New file. Reorder some functions and
596 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
598 * c-common.h (decl_handle_format_attribute,
599 decl_handle_format_arg_attribute): Declare.
600 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
601 (c-common.o): Adjust dependencies.
602 (c-format.o): New list of dependencies.
604 2001-01-13 Jakub Jelinek <jakub@redhat.com>
606 * unroll.c (loop_iterations): If we cannot prove iteration variable
607 is set once in each iteration, punt.
609 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
611 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
612 (*strlenhi): Remove clobber (which was buggy) of output address.
614 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
616 * Makefile.in (generated-manpages): Add gcc.1
617 ($(srcdir)/gcc.1): New target.
618 (maintainer-clean): Delete $(srcdir)/gcc.1.
619 * gcc.texi: Add macros @gccoptlist and @gol.
620 * invoke.texi: Include option summary in manpage. Mark up option
621 summary with @gccoptlist and @gol. Use @r in one place where
623 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
624 * gcc.1: Generate from invoke.texi.
626 2001-01-13 Richard Henderson <rth@redhat.com>
628 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
629 (struct page_entry): Add group member.
630 (struct page_group): New.
631 (struct globals): Add page_groups member.
632 (alloc_anon): Only define for using mmap; remove valloc call.
633 (page_group_index): New.
634 (set_page_group_in_use): New.
635 (clear_page_group_in_use): New.
636 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
637 (free_page, release_pages): Likewise.
638 * configure.in (with-gc): Default to ggc-page always.
640 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
642 * reload1.c (replace_pseudos_in_call_usage): Use
643 reg_equiv_constant and reg_equiv_address, and don't try
646 2001-01-13 Richard Henderson <rth@redhat.com>
648 * ggc-page.c (alloc_page): Round up allocation size to one page.
649 Set e->order on extra pages.
651 2001-01-13 Richard Henderson <rth@redhat.com>
653 * genrecog.c (nodes_identical): Expand commentary.
654 (write_switch): Watch out for identical nodes.
656 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
658 * cppfiles.c (_cpp_fake_include): New function.
659 * cpphash.h (_cpp_fake_include): New.
660 * cpplib.c (do_line): Call _cpp_fake_include when entering
661 header files in preprocessed input.
662 * cppmain.c (cb_pragma_implementation): Remove handling.
663 (setup_callbacks): Don't register pragmas.
665 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
667 * extend.texi: Udate for CPP.
669 2001-01-13 Andreas Jaeger <aj@suse.de>
671 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
673 * regmove.c: Add prototype for replace_in_call_usage.
675 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
677 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
678 struct cpp_chunk, struct htab, struct toklist,
679 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
680 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
681 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
682 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
683 (struct macro_args): Delete.
684 * cpphash.h: See above.
686 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
688 * cppmain.c (struct printer): Remove no_line_dirs.
690 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
691 : Use options rather than CPP_OPTION.
692 (setup_callbacks): Use cb rather than pfile->cb.
693 (main): No need to check for a buffer. Use cpp_errors.
694 (printer_init): Don't set no_line_dirs.
695 (maybe_print_line): Use options not no_line_dirs.
696 (cb_file_change): Don't call print_line if -P.
698 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
700 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
702 * c-parse.in (finish_parse): Use cpp_errors.
703 (__yylex): Use return value of cpp_pop_buffer.
704 * cp/lex.c (finish_parse): Use cpp_errors.
705 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
707 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
709 * README.AVR: URLs corrected.
711 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
713 * c-decl.c (start_function): Don't warn if old prototype is builtin
714 that's not in C's namespace.
715 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
716 (_bb): Add prototype for ctime.
717 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
719 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
721 * i386.c (ix86_fp_comparison_arithmetics_cost,
722 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
723 ix86_fp_comparison_cost): New functions.
724 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
725 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
726 two-branch sequences; make static.
727 (ix86_use_fcomi_compare): Do decision according to the costs.
728 (split_fp_branch): New.
729 * i386.md (compare-and-branch patterns): Use split_fp_branch.
730 * i386-protos.h (ix86_expand_fp_compare): Remove
731 (ix86_split_fp_branch): Declare.
733 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
734 and ix86_comparison_operator.
736 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
739 * i386.c (put_condition_code): Output properly the unordered/ordered
741 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
743 * tm.texi (REVERSE_CONDITION): Document.
744 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
746 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
748 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
750 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
752 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
755 * config/sh/sh.c (mova_p): Fix test for mova_const.
757 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
759 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
760 cpp_get_options rather than dereferencing pfile and using
762 * scan-decls.c (scan_decls): Use return value of
763 cpp_pop_buffer rather than CPP_BUFFER.
765 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
767 * cppinit.c (cpp_handle_option): help_only is now part of the
768 cpp_options structure.
769 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
770 cpp_set_callbacks): New functions.
771 * cpplib.h (cpp_callbacks): Break out as a named structure.
772 (cpp_options): Move help_only here from cpp_reader.
773 (CPP_FATAL_ERRORS): Update to use cpp_errors.
774 (cpp_errors, cpp_get_options, cpp_get_callbacks,
775 cpp_set_callbacks): New prototypes.
776 * cppmain.c (main): Update for help_only.
778 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
780 * Makefile.in (info, maintainer-clean, install-info, uninstall):
781 Also build and remove and install and uninstall c-tree.info and
783 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
784 ($(srcdir)/cppinternals.info): New target.
785 * c-tree.texi: Change file name used when makeinfo used without -o
786 from ir.info to c-tree.info. Add info directory entry.
787 * cppinternals.texi: Add info directory entry.
788 * .cvsignore: Update.
790 2001-01-12 Jakub Jelinek <jakub@redhat.com>
792 * c-typeck.c (store_init_value): Don't require constant initializer
793 elements with -pedantic -std=c99.
794 (digest_init): Change error about non-constant initializer elements
796 (constructor_range_end): Remove.
797 (constructor_incremental, designator_depth,
798 designator_errorneous): New variables.
799 (struct constructor_stack): Remove range_end, add incremental.
800 (struct constructor_range_stack, constructor_range_stack): New.
801 (struct initializer_stack): Add constructor_range_stack.
802 (finish_init): Set it.
803 (start_init): Likewise. require_constant_elements for non-static
804 trees only if not flag_isoc99.
805 (really_start_incremental_init): Remove constructor_range_end, add
806 constructor_incremental.
807 (pop_init_level): Likewise.
808 (push_init_level): Likewise. If implicit and the subobject had some
809 value set already, preinitialize the level with it.
810 Warn about missing braces only if not pushing due to designators.
811 (set_designator, push_range_stack): New functions.
812 (set_init_label): Use them.
813 (set_init_index): Likewise. Remove constructor_range_end.
814 Error if designator index is outside of array bounds.
815 (add_pending_init): Compare values of purpose index trees, not the
816 trees themselves. Allow overwriting of already initialized element.
817 Issue a warning if it had side-effects.
818 (set_nonincremental_init, set_nonincremental_init_from_string): New
820 (pending_init_member): Rename to...
821 (find_init_member): ...this function. Call set_nonincremental_init
822 if necessary. Compare values of purpose index trees, not the trees
823 themselves. Return the actual value, not just non-zero if something
825 (output_init_element): Remove checks for duplicates.
826 If field has zero size, only check the initializer for correctness.
827 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
828 if constructor_incremental is zero. Change error about initializers
829 not computable at load time into pedwarn.
830 (output_pending_init_elements): Compare bit positions, not
831 FIELD_DECLs to take into account zero-sized fields.
832 (process_init_element): Use constructor_range_stack to fill all
833 ranges in the designator lists from current level up.
834 * extend.texi: Update documentation for labeled elements.
836 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
838 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
839 to function usage for arguments passed by reference. Optimize
840 callee-copied arguments.
841 * regmove.c (replace_in_call_usage): New function.
842 (fixup_match_1): Call it.
843 * cse.c (cse_insn): Canonicalize registers in function usage.
844 * reload1.c (replace_pseudos_in_call_usage): New function.
847 * Makefile.in: Reverted yesterday's wrong patch. Installed the
850 2001-01-12 Jakub Jelinek <jakub@redhat.com>
852 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
855 2001-01-12 DJ Delorie <dj@redhat.com>
857 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
858 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
861 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
863 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
864 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
865 -std options alongside references to -ansi. Update some
866 documentation for C99.
869 2001-01-12 Andreas Jaeger <aj@suse.de>
871 * haifa-sched.c (restore_line_notes): Remove argument block B
873 * sched-ebb.c (schedule_ebb): Change caller.
874 * sched-rgn.c (schedule_region): Likewise.
875 * sched-int.h (restore_line_notes): Adjust prototype.
877 * loop.h: Remove wrong declaration of doloop_condition_get.
879 2001-01-12 Phil Edwards <pme@sources.redhat.com>
881 * extend.texi: Move C++-extension-related node from the C section
882 into the C++ section.
884 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
886 * extend.texi: Refer to an array of pointers to functions instead
889 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
890 Jan Hubicka <jh@suse.cz>
892 * combine.c (reversed_comparison): Fix typo in last patch.
894 (combine_reversed_comparison_code): Make static to follow
895 prototype declaration.
897 2001-01-12 Phil Edwards <pme@sources.redhat.com>
899 * install.texi: Remove misplaced duplicate entry.
901 2001-01-11 Ulrich Drepper <drepper@redhat.com>
903 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
905 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
907 * final.c: (leaf_function_p): Fix typo.
909 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
911 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
912 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
914 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
915 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
916 mmap_anon, and valloc is available.
917 * ggc-page.c: Restructure ifdef logic to match new autoconf
918 spec. Don't throw away the test page in init_ggc.
920 * configure, config.in: Regenerate.
922 2001-01-12 Michael Hayes <mhayes@redhat.com>
924 * loop.h (total_biv_increment): Constify iv_class pointer.
925 (struct induction): Replace `mem_mode' with `mem' rtx.
926 * unroll.c (total_biv_increment): Constify iv_class pointer.
927 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
928 (find_mem_givs, combine_givs_p): Likewise.
929 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
931 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
933 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
935 (__gthread_getspecific): Ditto.
937 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
939 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
940 put_condition_code): Convert fp comparison codes to integer
942 (ix86_expand_fp_compare): Postnote the fp comparison code converison
945 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
946 * i386-protos.h (no_comparison_operator): Kill.
948 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
950 * combine.c (REVERSIBLE_CC_MODE): Remove.
951 (reversible_comparison_p): Remove.
952 (combine_reversed_comparison_code): New.
953 (reversed_comparison): New.
954 (combine_simplify_rtx): Use
955 combine_reversed_comparison_code/reversed_comparison instead
956 of reversible_comparison_p.
957 (simplify_if_then_else): Likewise.
958 (simplify_set): Likewise.
959 (simplify_logical): Likewise.
960 (if_then_else_cond): Likewise.
961 (known_cond): Likewise.
962 (simplify_comparison): Likewise.
964 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
966 * builtins.c (std_expand_builtin_va_start): Handle varargs when
967 sizeof (int) is larger than sizeof(__word__).
969 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
971 * cppinit.c (do_includes): Fix typo.
973 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
975 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
976 in S_REGS does not occur because not all sources are possible
977 when a S_REGS is a destination (sometimes needs a clobber).
978 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
979 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
980 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
981 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
982 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
983 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
984 (lshrdi_const1, lshrsi3_const16): Likewise.
985 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
986 (*movhi_68hc12, *movqi_68hc12): Likewise.
987 (movstrictqi): Make sure reloading in D_REGS as a destination
990 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
992 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
994 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
996 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
997 -D, -U and -A, and don't initialize the builtins.
998 (do_includes): Error if -include or -imacros with -fpreprocessed.
999 * cppmain.c (cb_define, cb_undef): Unconditionally process
1001 * tradcpp.c (main): Fix typo.
1003 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1005 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1006 (read_name_map): Use IS_ABSOLUTE_PATH.
1007 * tradcpp.c (get_filename): Likewise.
1009 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1011 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1012 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1013 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1014 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1015 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1016 (cmphi_z_used): Don't use '@' for the output.
1017 (tstqi_z_used): Likewise.
1018 (cmpqi_z_used): Likewise.
1019 (one_cmplsi2): Likewise.
1021 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1023 * config/sh/sh.c (barrier_align): Recognize branch around far
1024 branch and redundant insn.
1026 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1028 * invoke.texi: Restore documentation of the drivers' switches -MD
1031 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1033 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1035 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1036 check-objc//%): Support parallel testing of multilibs.
1037 (TESTSUITEDIR): Set to testsuite by default, but override for
1039 (check-gcc, check-g++, check-g77, check-objc): Enter
1042 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1044 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1045 * sched-deps.c (deps_may_trap_p): Likewise.
1046 * basic-block.h: Remove a comment.
1047 * flow.c (PROP_POSTRELOAD): Remove.
1048 (update_life_info): Don't add it to prop_flags.
1049 (mark_set_1): Lose the code that was enabled by it.
1051 2001-01-11 Michael Hayes <mhayes@redhat.com>
1053 * flow.c (flow_call_edges_add): New.
1054 * basic_block.h (flow_call_edges_add): New.
1056 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1058 * reload1.c (move2add_note_store): Update reg_set_luid even if
1059 base reg remains the same.
1061 2001-01-10 Nick Clifton <nickc@redhat.com>
1063 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1064 machine_function structure to zero.
1065 Add prototypes for machine_status functions.
1067 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1069 * c-common.h (CTI_VOID_LIST): Remove.
1070 (void_list_node): Likewise.
1071 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1072 (void_list_node): New macro.
1073 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1074 * config/i386/i386.c (ix86_init_builtins): Likewise.
1075 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1077 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1079 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1080 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1082 * tradcpp.c: Include mkdeps.h.
1083 (deps, print_deps_phony_targets, deps_append, output_deps,
1084 init_dependency_output, output_deps): New.
1085 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1086 deps_output): Delete.
1087 (print_deps_missing_files): Rename deps_missing_files.
1088 (inhibit_output): Make global.
1089 (main): Delete inhibit_output, deps_stream, deps_target.
1090 Use mkdeps functionality in the same way as cpplib. Remove
1091 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1092 -M and -MM. Remove old handling of deps via deps_out, and
1093 old reading of environment variables.
1094 (get_filename): Update to use deps_add_dep.
1096 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1098 * output.h (make_function_rtl): Remove prototype.
1099 (make_decl_rtl): Likewise.
1100 * varasm.c (make_function_rtl): Remove.
1101 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1102 than from a third parameter.
1103 * tree.h (make_decl_rtl): Remove last parameter.
1104 * c-decl.c (builtin_function): Remove last argument in call to
1105 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1106 (start_function): Likewise.
1107 * except.c (call_get_eh_context): Likewise.
1108 * expr.c (emit_block_move): Likewise.
1109 (clear_storage): Likewise.
1110 * profile.c (output_func_start_profiler): Likewise.
1111 * toplev.c (rest_of_decl_compilation): Likewise.
1112 * objc/objc-act.c (create_builtin_decl): Likewise.
1113 (synth_module_prologue): Likewise.
1114 (generate_static_reference): Likewise.
1115 (build_selector_reference_decl): Likewise.
1116 (build_class_reference_decl): Likewise.
1117 (build_objc_string_decl): Likewise.
1118 (build_protocol_reference): Likewise.
1120 2001-01-10 Richard Henderson <rth@redhat.com>
1122 * hwint.h: Revert yesterday's change.
1124 2001-01-10 Nick Clifton <nickc@redhat.com>
1126 * function.h (save_machine_status): Delete.
1127 (restore_machine_status): Delete.
1128 Amend comment describing {init|mark|free}_machine_status.
1130 * function.c (save_machine_status): Delete.
1131 (restore_machine_status): Delete.
1132 Amend comment describing {init|mark|free}_machine_status.
1133 (push_function_context_to): Remove invocation of
1134 save_machine_status.
1135 (pop_function_context_from): Remove invocation of
1136 restore_machine_status.
1138 * emit-rtl.c (init_emit_once): Amend comment describing
1139 {init|mark|free}_machine_status.
1141 * tm.texi (Per-Function Data): New node. Describe the
1142 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1145 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1147 * cppinit.c (OPT_g): Remove.
1148 (cpp_handle_option): Update for removed -g3.
1149 (print_help): Update.
1150 * cpplib.h (struct cpp_options): Remove debug_output.
1151 * cppmain.c (setup_callbacks, cb_define): Update.
1152 * gcc.c (cpp_options): Translate -g3 to -dD.
1154 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1156 * config/i960/i960.md: Change modifier to + on the zero_extract
1157 pattern after the (rotate -2 reg) canonicalization pattern.
1159 2001-01-10 Richard Henderson <rth@redhat.com>
1161 * config/alpha/alpha.c (alpha_free_machine_status): New.
1162 (override_options): Install it.
1163 (alpha_mark_machine_status): Verify machine non-null.
1164 * config/i386/i386.c (ix86_free_machine_status): New.
1165 (override_options): Install it.
1166 (ix86_init_machine_status): Use xcalloc.
1167 (ix86_mark_machine_status): Verify machine non-null.
1168 * config/ia64/ia64.c (ia64_free_machine_status): New.
1169 (ia64_override_options): Install it.
1170 (ia64_mark_machine_status): Verify machine non-null.
1172 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1174 * function.c (instantiate_virtual_regs): Instantiate virtual
1175 registers found in CALL_INSN_FUNCTION_USAGE.
1177 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1179 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1180 equivalent to -ansi in disabling -Di386.
1182 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1184 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1186 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1188 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1190 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1192 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1194 * invoke.texi: Document that -fcond-mismatch isn't supported for
1197 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1199 * gcc.texi: Define macro gcctabopt.
1200 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1201 @command, @env and @option in some places where appropriate. Use
1202 @gcctabopt where appropriate. Put URLs and email addresses inside
1205 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1207 * gcc.c (cpp_options): Set MD file name from output
1208 filename, if specified.
1209 (suffix_subst): New static variable.
1210 (do_spec): Clear it.
1211 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1213 (give_switch): Handle suffix_subst.
1215 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1217 * invoke.texi: Fix another typo.
1219 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1221 * invoke.texi: Fix typo.
1223 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1225 * c-lang.c (lang_hooks): Update.
1226 (lang_decode_option): Remove.
1227 (lang_init_options): Rename c_init_options.
1228 * toplev.c (main): Use lang_hooks for lang_init_options
1229 and lang_decode_option.
1230 * toplev.h (lang_hooks): Add 2 new hooks.
1231 * tree.h: Remove lang_init_options and lang_decode_option.
1232 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1233 * cp/decl2.c: Similarly.
1234 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1235 (lang_hooks): Update.
1236 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1238 (lang_init_options): Rename ffe_init_options.
1239 (lang_hooks): Update.
1240 (lang_decode_option): Remove.
1241 * java/lang.c (lang_init_options): Rename java_init_options.
1242 (lang_decode_option): Rename java_decode_option.
1243 (lang_hooks): Update.
1244 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1245 (lang_decode_option): Rename objc_decode_option.
1246 (lang_hooks): Update.
1248 2001-01-09 Nick Clifton <nickc@redhat.com>
1250 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1251 (d30v_return_addr_rtx): Delete.
1252 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1253 cfun->machine structure.
1254 (struct machine_function): Move to d30v.h
1255 (d30v_save_machine_status): Delete.
1256 (d30v_restore_machine_status): Delete.
1257 (d30v_init_machine_status): New Function.
1258 (d30v_mark_machine_status): New Function.
1259 (d30v_free_machine_status): New Function.
1260 (d30v_init_expanders): Use new functions.
1261 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1262 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1263 d30v_return_addr_rtx.
1265 * config/d30v/d30v.h (struct_machine): Move here.
1266 Add eh_epilogue_sp_ofs field.
1268 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1269 field in cfun->machine structure.
1271 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1273 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1274 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1275 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1277 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1279 * objc/lang-options.h: Remove bogus reference to
1282 2001-01-09 Kazu Hirata <kazu@hxi.com>
1284 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1287 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1289 * reload.c (find_reloads_address): Check for eliminable registers
1290 when substituting a constant expression for a pseudo.
1292 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1294 * c-common.c (enum format_type): Add format_type_error.
1295 (decode_format_type): New function.
1296 (decl_attributes): Use it.
1297 (format_kind_info): Adjust comment.
1299 2001-01-09 David O'Brien <obrien@BSDi.com>
1301 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1302 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1304 * config/i386/gnu.h: Don't include required platform specific .h files,
1305 tm.h will do it instead.
1306 * config/i386/i386elf.h: Likewise.
1307 * config/i386/linux.h: Likewise.
1308 * config/i386/moss.h: Likewise.
1309 * config/mips/gnu.h: Likewise.
1311 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1313 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1314 (rs6000-ibm-aix3.[01]*): Likewise.
1315 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1316 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1317 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1318 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1319 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1320 (powerpc-*-eabiaix*): Likewise.
1321 (powerpc-*-eabisim*): Likewise.
1322 (powerpc-*-elf*): Likewise.
1323 (powerpc-*-eabi*): Likewise.
1324 (powerpc-*-rtems*): Likewise.
1325 (powerpc-*-linux*libc1): Likewise.
1326 (powerpc-*-linux*): Likewise.
1327 (powerpc-wrs-vxworks*): Likewise.
1328 (powerpcle-wrs-vxworks*): Likewise.
1329 (powerpcle-*-sysv*): Likewise.
1330 (powerpcle-*-elf*): Likewise.
1331 (powerpcle-*-eabisim*): Likewise.
1332 (powerpcle-*-eabi*): Likewise.
1333 (powerpcle-*-solaris2*): Likewise.
1334 * config/rs6000/aix31.h: Delete includes.
1335 * config/rs6000/aix3newas.h: Likewise.
1336 * config/rs6000/aix41.h: Likewise.
1337 * config/rs6000/aix43.h: Likewise.
1338 * config/rs6000/beos.h: Likewise.
1339 * config/rs6000/rtems.h: Likewise.
1340 * config/rs6000/sysv4.h: Likewise.
1342 2001-01-09 Kazu Hirata <kazu@hxi.com>
1344 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1345 Change an argument mode of machine_mode to shift_mode of
1346 shift_mode. Remove an extra error check.
1347 (emit_a_shift): Adopt to the new calling prototype of
1349 (function_prologue): Fix code for a monitor
1350 function. Support H8/S.
1351 (function_epilogue): Do not output pop for a monitor function.
1353 2001-01-09 Nick Clifton <nickc@redhat.com>
1355 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1356 (setup_incoming_varargs): Use sysv_varargs_p field of the
1357 cfun->machine structure.
1358 (struct machine_function): Move to rs6000.h
1359 (rs6000_save_machine_status): Delete.
1360 (rs6000_restore_machine_status): Delete.
1361 (rs6000_init_machine_status): New Function.
1362 (rs6000_free_machine_status): New Function.
1363 (rs6000_init_expanders): Use new functions.
1365 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1367 (struct machine_function): Move here.
1369 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1370 sysv_varargs_p field of the cfun->machine structure.
1372 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1374 (rs6000_restore_machine_status): Remove prototype.
1376 2001-01-09 Richard Henderson <rth@redhat.com>
1378 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1379 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1380 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1381 (sched_analyze_2, sched_analyze_insn): Likewise.
1382 (sched_analyze, init_deps): Likewise.
1383 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1384 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1385 (compute_block_backward_dependences): Update propagate_deps call.
1387 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1389 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1391 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1393 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1394 (cpp_handle_option): Handle them.
1395 (cpp_post_options): Ensure one of -M or -MM is specified with
1396 any other -M? option.
1397 (init_dependency_output): Suppress output with -MG.
1399 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1402 * invoke.texi: Update.
1404 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1406 * sh.md (reload_outsf): Generate recognizable patterns for
1409 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1411 * c-lang.c (lang_hooks): Update.
1412 (lang_init): Rename c_init.
1413 (lang_finish): Remove.
1414 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1416 * toplev.h (lang_hooks): Add init () and finish ().
1417 * tree.h (lang_init, lang_finish): Remove.
1418 * cp/tree.h (lang_init, lang_finish): Remove.
1419 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1420 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1422 (lang_init, lang_finish): Remove.
1423 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1424 (lang_hooks): Update.
1425 * java/lang.c (lang_init): Rename java_init.
1426 (lang_finish): Remove.
1427 (lang_hooks): Update.
1428 * objc/objc-act.c (lang_init): Rename objc_init.
1429 (lang_finish): Remove.
1430 (lang_hoooks): Update.
1432 20001-01-09 Graham Stott <grahams@redhat.com>
1434 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1435 after `ptr` is initialised.
1437 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1439 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1440 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1441 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1442 stack adjusts, instead of r3.
1444 2001-01-09 Michael Hayes <mhayes@redhat.com>
1446 * flow.c (flow_loop_scan): Break out of ...
1447 (flow_loops_find) ... here.
1448 * basic-block.h (flow_loop_scan): New.
1449 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1450 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1452 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1454 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1456 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1457 realloc()ing macro_buffer.
1459 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1460 if it's wider than long and the target's long is wider than the
1463 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1465 Remove support for using UWIN as a host machine.
1466 * configure.in: Issue an error message.
1467 * configure: Regenerated.
1468 * config.gcc: Remove xm_* UWIN configury.
1469 * config/i386/xm-uwin.h: Remove.
1471 2001-01-08 Nick Clifton <nickc@redhat.com>
1473 * config/v850/v850.c (ra_rtx): Delete.
1474 (v850_save_machine_status): Delete.
1475 (v850_restore_machine_status): Delete.
1476 (v850_init_machine_status): New function.
1477 (v850_mark_machine_status): New function.
1478 (v850_free_machine_status): New function.
1479 (v850_return_addr): Use ra_rtx field in machine structure.
1480 (v850_init_expanders): Use new functions.
1482 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1483 * config/v850/v850.c: Change arguments to v850_output+* functions
1484 to take a const char *, to avoid compile time warning.
1485 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1486 (USER_LABEL_PREFIX): Redefine.
1488 2000-01-08 Jim Wilson <wilson@redhat.com>
1490 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1491 1 to unsigned HOST_WIDE_INT before left shift.
1493 2001-01-08 Nick Clifton <nickc@redhat.com>
1495 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1496 the machine structure has been allocated.
1497 (arm_free_machine_status): New function: Free the machine
1498 specific function structure.
1500 2001-01-08 Richard Henderson <rth@redhat.com>
1502 * jump.c (simplejump_p): Revert last change.
1504 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1506 * cppinit.c (init): Rename init_library.
1507 (cpp_create_reader): Update.
1508 * gcc.c (cpp_options): If -o given, use it as the target of
1511 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1513 * arm.c (arm_arch5e): New variable.
1514 (all_cores): XScale is a 5TE device.
1515 (arm_override_options): Set arm_arch5e.
1516 (arm_init_builtins): __builtin_prefetch is in arch5e.
1517 * arm.h (arm_arch5e): Declare it.
1519 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1521 * arm.md (define_constants): Add defines for UNSPEC and
1522 UNSPEC_VOLATILE insns. Update all users.
1523 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1524 * arm.c (multi_register_push, note_invalid_constants)
1525 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1526 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1527 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1529 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1531 * jump.c (jump_optimize_1): Use reversed_comparison_code
1532 instead of can_reverse_comparison_p.
1533 (jump_back_p): Likewise.
1534 (invert_exp_1): Likewise.
1535 (thread_jumps): Likewise.
1536 * simplify-rtx.c (simplify_unary_operation): Likewise.
1537 (simplify_ternary_operation): Likewise.
1538 * cse.c (find_comparison_args): Convert to use
1539 can_reverse_comparison_p.
1540 (record_jump_equiv): Likewise.
1542 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1544 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1545 (EPILOGUE_USES): Define.
1546 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1547 automatically stack the LR if it isn't live.
1549 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1551 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1554 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1556 * ggc-page.c (max_alignment): New structure.
1557 (MAX_ALIGNMENT): New macro.
1558 (init_ggc): Use it to round up the sizes in the
1559 extra_order_size_table.
1561 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1563 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1566 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1568 * builtins.def (BUILT_IN_FPRINTF): New entry.
1570 * c-common.c (c_expand_builtin_fprintf): New function.
1571 (init_function_format_info): Handle __builtin_fprintf.
1572 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1573 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1575 * c-decl.c (duplicate_decls): Adjust comment.
1577 * extend.texi (fprintf): Document new builtin.
1579 2001-01-07 Richard Henderson <rth@redhat.com>
1581 * jump.c (simplejump_p): Recognize any single_set jump
1584 2001-01-07 Richard Henderson <rth@redhat.com>
1586 * configure.in (slibdir): Accept an --with-slibdir option.
1587 Use "test" not "[" in configure. Default to $(libdir).
1589 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1591 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1592 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1593 (SHLIB_LINK): Create links for the soname.
1594 * config/mips/t-iris6: Likewise.
1595 * config/sparc/t-slibgcc: Likewise.
1596 * config/sparc/t-slibgcc-sld: Likewise.
1598 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1600 * config/i386/i386.c (constant_call_address_operand): Accept
1601 (const (plus (symbol_ref) (const_int))).
1602 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1603 constant_call_address_operand.
1605 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1607 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1608 and LONG_LONG_TYPE_SIZE > 32.
1610 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1612 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1613 the previous change.
1615 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1617 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1619 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1620 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1621 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1624 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1626 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1628 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1630 * c-lang.c (c_post_options): Call cpp_post_options.
1631 * objc/objc-act.c (objc_post_options): Similarly.
1632 * cppmain.c (main): Similarly.
1633 * fix-header.c (read_scan_file): Similarly.
1634 * cppinit.c (cpp_start_read): Move option consistency checks
1635 to cpp_post_options. Don't call init_dependency_output.
1636 If needed, add default target and main file dependency.
1637 (OPT_MD, OPT_MMD): Remove.
1639 (cpp_handle_option): Update for OPT_* changes.
1640 (cpp_post_options): New.
1641 (init_dependency_output): Command line -MF overrides environment
1642 variables. Don't set default target etc. Suppress output
1643 if dependencies are going to stdout.
1644 (print_help): Update.
1645 * cpplib.h (cpp_post_options): New.
1646 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1648 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1650 * jump.c (comparison_dominates_p): Support unordered compares.
1652 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1654 * simplify-rtx.c (simplify_relational_operation): Always simplify
1655 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1658 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1660 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1661 (nonzero_bits): Likewise.
1662 (simplify_comparison): Likewise.
1663 (num_sign_bit_copies): Likewise; return more sane value depending
1664 on STORE_FLAG_VALUE.
1665 (known_cond): Do not assume EQ to be always true for equivalent
1668 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1670 * cse.c (fold_rtx): Handle unordered comparisons.
1672 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1674 * rtlanal.c (set_of_1): New static function.
1675 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1676 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1677 reg_set_last_last_regno): Remove.
1678 (set_of): New global function.
1679 (set_of_data): New structure.
1680 (reg_set_p, reg_set_last): Revamp for set_of.
1681 * rtl.h (set_of): New.
1683 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1685 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1686 * extend.texi: Document _Exit builtin.
1688 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1690 * (initialize, initialize_builtins,
1691 initialize_dependency_output, initialize_standard_includes):
1692 Rename s/initialize/init. Update.
1693 (init_dependency_output): Move to after
1694 cpp_handle_options, the correct location temporally at least.
1695 (opt_comp): Move next to init (), its caller. Fix prototype.
1696 (init): Make "initialized" local scope.
1697 (cpp_create_reader): Always call init ().
1698 (cpp_start_read): Update.
1699 (output_deps): New function, broken out of cpp_finish.
1700 (cpp_finish): Break out output_deps.
1702 2001-01-07 Richard Henderson <rth@redhat.com>
1704 * collect2.c (COFF specific stuff): Revert 12-06 patch
1705 to prototype system functions.
1707 2001-01-07 Michael Hayes <mhayes@redhat.com>
1709 * hard-reg-set.h: Add multiple include guard.
1710 * basic-block.h (struct loop): Add `sink' field.
1711 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1712 (emit_iv_add_mult): Delete.
1713 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1714 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1715 (unroll_loop): Remove end_insert_before argument.
1716 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1717 (maybe_eliminate_biv_1): Likewise.
1718 (emit_iv_add_mult): Delete.
1719 (gen_add_mult, loop_regs_update): New.
1720 (loop_insn_emit_after, loop_insn_emit_before): New.
1721 (loop_insn_sink, loop_insn_sink_or_swim): New.
1722 (emit_iv_add_mult): Delete.
1723 (scan_loop): Set loop->sink.
1724 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1725 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1726 (maybe_eliminate_biv_1): Likewise.
1727 (maybe_eliminate_biv_1): Add basic block argument.
1728 * unroll.c (unroll_loop): Remove end_insert_before argument.
1729 (find_splittable_regs): Likewise.
1730 (find_splittable_regs): Use loop_insn_sink and its ilk.
1731 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1733 2001-01-07 Michael Hayes <mhayes@redhat.com>
1735 * loop.h (loop_insn_hoist): New prototype.
1736 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1737 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1738 (check_dbra_loop, load_mems): Likewise.
1739 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1740 (find_splittable_givs): Likewise.
1742 2001-01-07 Michael Hayes <mhayes@redhat.com>
1744 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1746 2001-01-07 Richard Henderson <rth@redhat.com>
1748 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1750 2001-01-07 Richard Henderson <rth@redhat.com>
1752 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1753 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1754 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1755 variant that handles a shared libgcc.
1756 (process_command): Always validate -{static,shared}-libgcc.
1757 (do_spec_1): New 'M' case.
1758 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1760 2001-01-07 Richard Henderson <rth@redhat.com>
1762 * Makefile.in (slibdir): New variable.
1763 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1764 (installdirs): Create slibdir.
1765 (install-libgcc, install-multilib): Defer to libgcc.mk.
1766 * configure.in (slibdir): Substitute.
1767 * mklibgcc.in (install): New target.
1769 * config/t-linux (SHLIB_LINK): Create links for the soname.
1770 (SHLIB_INSTALL): New.
1771 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1772 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1773 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1774 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1775 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1777 2001-01-07 Richard Henderson <rth@redhat.com>
1779 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1780 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1781 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1783 2001-01-07 Michael Hayes <mhayes@redhat.com>
1785 * loop.c (count_loop_regs_set): Delete.
1786 (load_mems_and_recount_loop_regs_set): Delete.
1787 (loop_regs_scan): Merge common code from count_loop_regs_set,
1788 scan_loop, and load_mems_and_recount_loop_regs_set.
1789 (scan_loop): Call load_mems directly and loop_regs_scan
1790 again if new registers created.
1792 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1794 * toplev.c (main): Call the front-end specific post_options
1795 hook if one is given.
1796 * toplev.h (struct_lang_hooks, lang_hooks): New.
1797 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1798 for the C front end.
1799 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1800 lang_hooks for the C++ front end.
1801 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1802 lang_hooks for the ObjC front end.
1803 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1804 * java/lang.c (lang_hooks): Hooks for the Java front end.
1806 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1808 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1809 for verbose DWARF[2] debugging.
1810 (cb_define, cb_undef): The new callbacks.
1811 * toplev.h (debug_define, debug_undef): Make const correct.
1812 * toplev.c (debug_define, debug_undef): Similarly. Do not
1813 perform the verbosity tests here anymore.
1815 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1817 * reload.c (subst_reloads): Take INSN argument. When
1818 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1819 * reload.h (subst_reloads): Adjust prototype.
1820 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1821 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1822 present in JUMP_INSNs and copy them to JUMP_LABEL.
1823 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1824 JUMP_INSNs and insns with REG_LABELs that are followed by
1825 JUMP_INSNs with the same REG_LABEL.
1826 * sched-rgn.c (is_cfg_nonregular): Likewise.
1827 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1829 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1831 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1833 2001-01-06 Richard Henderson <rth@redhat.com>
1835 * loop.c (scan_loop): Use xcalloc for the regs array.
1836 (load_mems_and_recount_loop_regs_set): Zero the new memory
1837 received from xrealloc.
1839 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1841 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1843 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1845 * integrate.c (copy_rtx_and_substitute): When copying
1846 an ignored return value, strip REG_FUNCTION_VALUE_P.
1848 2001-01-06 Michael Hayes <mhayes@redhat.com>
1850 * loop.c (debug_biv, debug_giv): New.
1851 (loop_biv_dump): Break out from ...
1852 (record_biv): ... here.
1853 (loop_giv_dump): Break out from ...
1854 (record_giv): ... here.
1855 (loop_bivs_check): Use print_simple_rtl.
1856 * unroll.c (loop_iterations): Use print_simple_rtl.
1858 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1860 * pa.md (return, return_internal): Modify patterns to prevent regrename
1861 mucking with the return pointer.
1863 2001-01-05 Richard Henderson <rth@redhat.com>
1865 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1867 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1869 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1870 version supplied by Matteo Frigo.
1872 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1874 * cpp.texi: Update for -MQ.
1875 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1876 (cpp_cleanup): Always free pfile->deps.
1877 (initialize_dependency_output): Don't create pfile->deps.
1878 (cpp_handle_option): Similarly.
1880 * gcc.c (cpp_options): Handle -MQ.
1881 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1882 * mkdeps.c (base_name): Remove.
1883 (deps_init): Don't allocate vector space until it's needed.
1884 (deps_free): Only free vectors if allocated.
1885 (deps_add_target, deps_add_dep): Update for initial allocation.
1886 (deps_add_default_target): Don't strip to the base_name.
1888 2001-01-05 DJ Delorie <dj@redhat.com>
1890 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1891 (INIT_EXPANDERS): Define.
1893 * config/v850/v850.c (struct machine_function): Define.
1894 (v850_save_machine_status): New function.
1895 (v850_restore_machine_status): New function.
1896 (v850_return_addr): New function.
1897 (v850_init_expanders): New function.
1899 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1900 and v850_init_expanders.
1902 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1904 * cpplib.h (struct cpp_reader): Add help_only field.
1905 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1906 (cpp_handle_option): Set pfile->help_only if we see -h,
1907 --help, -target-help, or --version. Print version string but
1908 do not set help_only if we see -v or -version. Make text
1909 printed by -v match that printed by (-)-version.
1911 * cppmain.c (main): Exit after option parsing if
1912 pfile->help_only is true.
1914 * toplev.c (independent_decode_option): Call print_version,
1915 then exit, if we see --version (but not -version).
1916 (print_version): Split lengthy message into two lines.
1918 2001-01-05 Nick Clifton <nickc@redhat.com>
1920 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1921 temporary string for initialisation before calling ggc_alloc_string.
1923 2001-01-06 Michael Hayes <mhayes@redhat.com>
1925 * rtl.h (print_simple_rtl): New.
1926 * print-rtl.c (print_simple_rtl): New.
1928 (print_rtx): Disable printing of flags and modes, etc.,
1929 if `flag_simple` nonzero.
1931 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1933 * function.c (fixup_var_refs): Use push_to_full_sequence where
1936 2001-01-05 Michael Meissner <meissner@redhat.com>
1938 * flags.h (flag_reorder_blocks): Add declaration.
1939 (flag_rename_block): Ditto.
1941 2001-01-05 DJ Delorie <dj@redhat.com>
1943 * function.c (reorder_blocks): Make sure the flags are all reset
1944 before using them to mark blocks, else a second invocation will
1945 corrupt the block chain.
1946 (reorder_blocks_0): New, resets the flags.
1948 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1950 * cse.c (find_comparison_args): Stop if the argument is known to
1953 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1955 * config/sh/sh.md (movdf): When splitting load into pair of
1956 registers, don't clobber the register used in the address too
1959 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1961 * varasm.c (mark_constant_pool): Improve initial comments.
1962 (mark_constants): Move marking of constants to mark_constant.
1963 (mark_constant): New function to recursively mark all constants
1964 referred to by a constant.
1966 2001-01-05 Catherine Moore <clm@redhat.com>
1968 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1970 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1972 * cp/lang-options.h: Bring comment in line with reality.
1973 * f/lang-options.h: Likewise.
1974 * java/lang-options.h: Likewise.
1975 * objc/lang-options.h: Likewise.
1976 * ch/lang-options.h: Likewise.
1977 * f/g77.texi: And update the manual.
1979 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1980 Denis Chertykov <denisc@overta.ru>
1982 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1983 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1984 * config/avr/avr.md (all peepholes that request a scratch register):
1985 Call it, FAIL the peephole if not safe (in interrupt functions).
1987 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1989 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1991 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1993 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1995 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1996 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1997 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1998 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1999 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2001 * extend.texi: Document these builtins.
2003 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2005 * c-common.c (lang_get_alias_set): Say we know nothing of
2006 VECTOR_TYPE aliasing.
2008 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2010 2001-01-05 Bruce Korb <bkorb@gnu.org>
2012 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2013 their x* equivalent versions for atexit-less systems
2014 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2015 systems (or any other system any more).
2017 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2019 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2020 output operands. Use arm_hard_register_operand for operand 4.
2021 (stmsi_postinc): Similarly.
2022 (ldmsi): Use arm_hard_register_operand for opernand 2.
2024 * arm.c (arm_hard_register_operand): New function.
2025 * arm-protos.h (arm_hard_register_operand): Prototype it.
2027 * arm.h (HARD_REGNO_RENAME_OK): Define.
2029 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2031 * simplify-rtx.c (cfc_args): add "unordered" field.
2032 (check_fold_consts): Set unordered field.
2033 (simplify_relational_operation): Simplify the unordered
2036 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2039 * emit-rtl.c (try_split): Fix code to mark labels.
2040 * jump.c (mark_jump_label): Make global.
2041 * rtl.h (mark_jump_label): Declare.
2043 * predict.c (estimate_probability): Handle unordred comparisons.
2045 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2047 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2048 * cppinit.c (initialize_dependency_output): Update.
2049 (cpp_finish): Output dummy targets for -MP.
2051 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2052 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2053 * gcc.c (cpp_options): Update to handle -MP.
2054 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2055 to quote only the default target.
2056 (deps_phony_targets): Insert a preceding newline. Rename from
2057 deps_dummy_targets for consistency.
2060 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2062 * calls.c (emit_library_call_value_1): Support
2063 INIT_CUMULATIVE_LIBCALL_ARGS.
2064 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2066 2001-01-04 Richard Henderson <rth@redhat.com>
2068 * c-decl.c (finish_struct): Detect flexible array members
2069 used in an inappropriate context.
2070 * c-typeck.c (really_start_incremental_init): Special case
2071 constructor_max_index for zero length arrays.
2072 (pop_init_level): Allow initialization of flexible array
2073 members. Deprecate initialization of zero length arrays.
2074 Don't issue missing initializer warning for flexible array
2075 members or zero length arrays.
2076 (process_init_element): Don't dereference null DECL_SIZE.
2077 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2078 Don't abort for empty constructors. Use size_binop
2079 (output_constructor): Add commentary regarding zero length
2080 array futures. Abort if we try to initialize an array of
2081 unspecified length with a non-empty constructor in the middle
2084 * extend.texi (Zero Length): Update and clarify documentation
2085 on static initialization.
2087 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2089 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2090 with more than 32767 words of local storage.
2092 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2094 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2095 for 'abs', 'labs', and 'fabs'.
2096 (c4x_expand_builtin): Likewise.
2097 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2099 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2101 * config/sh/sh.md (prget, prset): New insn types.
2102 (return delay slot): Dont' allow prset.
2103 (call, sfunc delay slot): Don't allow prget.
2104 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2105 for prset and prget.
2107 2001-01-05 Michael Hayes <mhayes@redhat.com>
2109 * loop.h (struct loop_reg): New.
2110 (struct loop_regs): Change to use array of `struct loop_reg'.
2111 * loop.c: Replace assortment of varrays with single regs array.
2112 (count_one_set): Delete may_not_move array argument
2113 and use regs array instead. All caller's changed.
2114 (count_loop_regs_set): Delete may_not_move and single_usage
2115 arguments and use regs array instead. All caller's changed.
2116 (find_single_use_in_loop): Replace usage array argument with pointer
2117 to regs structure. All caller's changed.
2118 (loop_optimize): Delete `moved_once' array.
2120 2001-01-05 Michael Hayes <mhayes@redhat.com>
2122 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2123 Use it instead of loop_info->has_call for scanning loop mems.
2124 (check_dbra_loop): Replace loop_info->has_call test with
2125 loop_info->has_nonconst_call.
2127 2000-01-04 Matthew Hiller <hiller@redhat.com>
2129 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2132 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2134 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2135 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2137 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2139 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2140 (flag_short_double, flag_short_wchar): Define.
2141 (c_common_nodes_and_builtins): Create many tree nodes shared
2142 between C and C++ here instead of in cp/decl.c and ...
2143 * c-decl.c (init_decl_processing): ... here.
2144 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2145 (flag_short_double, flag_short_wchar): Don't define.
2146 (record_builtin_type): New function.
2147 (build_void_list_node): New function.
2148 * c-common.h (flag_short_double, flag_short_wchar,
2149 record_builtin_type, build_void_list_node): Declare.
2151 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2153 * integrate.c (expand_inline_function): Don't put a virtual
2154 register into the reg map.
2156 * function.c (fixup_var_refs_1): If force_operand didn't put
2157 the address into the target, move it there.
2159 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2161 Special-case tree_decl/tree_list allocations.
2162 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2163 (OBJECT_SIZE): New macro.
2164 (NUM_EXTRA_ORDER): Likewise.
2165 (extra_order_size_table): New variable.
2166 (NUM_ORDERS): New macro.
2167 (objects_per_page_table): New variable.
2168 (object_size_table): New variable.
2169 (G.pages): Use NUM_ORDERS to bound the array.
2170 (G.page_tails): Likewise.
2171 (DIV_ROUND_UP): Remove.
2172 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2173 (alloc_page): Use OBJECT_SIZE.
2174 (size_lookup): Don't make it const.
2175 (ggc_alloc): Use OBJECT_SIZE.
2176 (ggc_set_mark): Likewise.
2177 (ggc_get_size): Likewise.
2178 (init_ggc): Set up the object_size_table, objects_per_page_table,
2179 and adjust size_lookup.
2180 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2181 (ggc_pop_context): Use NUM_ORDERS.
2182 (clear_marks): Likewise.
2183 (sweep_pages): Likewise.
2184 (poison_pages): Likewise.
2185 (ggc_print_statistics): Use OBJECT_SIZE.
2187 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2189 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2190 Only call array_size_for_constructor if last field and array type
2191 with no upper bound.
2193 2001-01-04 Philip Blundell <philb@gnu.org>
2195 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2196 from bit 31 downwards, if this requires no more insns.
2197 (count_insns_for_constant): New helper function for above.
2199 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2201 * gencodes.c (output_predicate_decls): Remove empty initializer.
2203 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2205 * tree.c (copy_node): Remove documentation about obstacks.
2206 (buidl1): Check that nobody tries to build 2-argument nodes this
2209 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2211 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2214 * gencodes.c (output_predicate_decls): Fill empty initializer
2217 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2219 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2220 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2222 (do_include): Handle missing headers like cpp0.
2223 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2224 paths with first include pathname. Don't strcat to uninitialized
2227 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2229 * regrename.c (regrename_optimize): Don't rename from frame pointer
2230 if frame_pointer_needed.
2231 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2232 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2233 (ia64_reorg): Use it instead of scheduling if ! optimize.
2234 (errata_emit_nops): Properly call asm_noperands.
2235 (ia64_sched_reorder): Finish cycle if we see an asm.
2236 (ia64_variable_issue): Clear scheduling state after asms.
2238 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2240 * cpp.texi: Update for -MT.
2241 * cppinit.c (initialize_dependency_output): Add a default
2242 target if none has been given already.
2243 (no_tgt, OPT_MT): New.
2244 (cpp_handle_option): Handle -MT. Update -M etc.
2245 * cpplib.h (struct cpp_options): Remove deps_target.
2246 * gcc.c (cpp_options): Handle -MT.
2247 * mkdeps.c (struct deps): Move from mkdeps.h.
2248 (deps_calc_target): Rename deps_add_default_target. Add a
2249 default target if none has been specified already.
2250 * mkdeps.h (struct deps): Move to mkdeps.c.
2251 (deps_calc_target): Rename deps_add_default_target.
2253 2000-01-03 Richard Henderson <rth@redhat.com>
2255 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2257 * c-typeck.c (push_init_level): Move checks for flexible array
2258 members and zero length arrays ...
2259 (pop_init_level): ... here. Silently discard empty initializations.
2261 * varasm.c (output_constructor): Update for sizeof change to
2264 * extend.texi (Zero Length): Clarify semantics.
2266 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2268 * configure.in (tm.h): Include isns-codes.h last.
2269 * configure: Rebuilt.
2271 2001-01-03 Richard Henderson <rth@redhat.com>
2273 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2274 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2276 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2278 * tradcpp.c (main): Make sure finclude() is called with a valid
2279 indepth value while handling -include.
2281 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2283 * gencodes.c (output_predicate_decls): New function.
2285 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2286 even if it is not the first time machmode.h is #included.
2287 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2288 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2289 * gcc.texi (Copyright): Added 2001.
2291 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2293 * c-common.c (c_common_lang_init): New function. Warn if format
2294 warning options which only have effects when used with -Wformat
2295 are used without -Wformat.
2296 * c-common.h (c_common_lang_init): Declare.
2297 * c-lang.c (lang_init): Call c_common_lang_init.
2298 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2300 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2302 * configure.in: Check for the mktemp command.
2303 * configure: Regenerate.
2304 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2305 $TEMP. Create temporary files with mktemp, if available at
2306 configure time; otherwise use set -C. Remove temporary files
2309 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2311 * configure.in: Require at least texinfo 4.0. Check for whether
2312 Pod::Man is sufficiently recent to regenerate GCC manpages.
2313 * configure: Regenerate.
2314 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2316 (GENERATED_MANPAGES): Define.
2317 (generated-manpages): New target. Depend on cpp.1 as well as
2319 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2320 configure to generated-manpages or empty) rather than on the
2321 manpages directly. Remove execute permission from installed
2322 gcov.1 as well as cpp.1.
2323 * cpp.1, gcov.1: Regenerate.
2325 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2327 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2328 tree_low_cst. Allow using cmpstrsi in more cases.
2330 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2332 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2335 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2337 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2338 * Makefile.in (HOST_CFLAGS): Mention build-make.
2340 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2342 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2345 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2347 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2350 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2353 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2354 reg_base_value and reg_known_value arrays.
2355 (init_alias_analysis): Add more cases to detect known values.
2356 * sched-deps.c (deps_may_trap_p): New function.
2357 (sched_analyze_2): Use it.
2359 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2361 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2362 don't discard an ASHIFTRT if we're shifting in a wider mode.
2364 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2366 * toplev.c (rest_of_compilation): Don't print basic block information
2367 when CFG isn't up to date.
2369 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2371 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2372 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2373 (UNALIGNED_SHORT_ASM_OP): Define.
2374 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2376 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2378 * fold-const.c (fold_convert): Fix typo.
2380 2001-01-02 Richard Henderson <rth@redhat.com>
2382 * c-common.h (ASM_INPUT_P): New.
2383 * c-parse.in (asm): Set it when needed.
2384 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2385 existance of an operand.
2387 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2389 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2390 (dwarf2out_frame_debug_expr): Likewise.
2391 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2393 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2395 * i386.c (ix86_split_to_parts): Return number of part required;
2397 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2399 (ix86_split_long_move): Use number of part returned
2400 by ix86_split_to_parts
2401 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2403 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2404 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2405 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2406 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2407 (ALIGN_MODE_128): Add TFmode.
2408 (IS_STACK_MODE): Likewise.
2409 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2410 (HARD_REGNO_OK): Support TFmodes.
2411 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2412 * i386.md (scheduler definitions): Use memory operand to determine
2413 fst/fld instructions; use mode attribute to determine real mode of
2415 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2416 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2418 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2420 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2422 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2424 * expr.c (store_constructor_field): Update ALIGN before calling
2427 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2429 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2432 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2434 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2437 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2439 * c-decl.c (start_function): Don't warn on third parameter to main.
2441 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2443 * tsystem.h: Define HAVE_DECL_GETOPT.
2445 2001-01-02 Philip Blundell <pb@futuretv.com>
2447 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2450 2001-01-02 Richard Henderson <rth@redhat.com>
2452 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2454 2001-01-02 Andreas Jaeger <aj@suse.de>
2456 * c-decl.c (c_decode_option): Remove support of
2459 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2460 (W_options): Add -Wmissing-noreturn here.
2462 * flow.c: Define lang_missing_noreturn_ok_p.
2463 (check_function_return_warnings): Use it.
2465 * c-common.h: Declare lang_missing_noreturn_ok_p.
2467 * c-lang.c (c_missing_noreturn_ok_p): New function.
2468 (lang_init): Set lang_missing_noreturn_ok_p.
2470 * invoke.texi (Warning Options): Document this.
2472 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2474 * extend.texi (C++ Extensions): New node for C++ attributes;
2475 describe init_priority and com_interface.
2476 * invoke.texi: Remove -finit-priority as it now has zero effect.
2477 * install.texi: Fix xref syntax.
2478 * md.texi: Likewise.
2480 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2482 * config.gcc (sparc64-wrs-vxworks*): New case.
2483 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2485 * config/sparc/sparc.c (sparc_override_options): Do support different
2486 pointer and architecture size.
2487 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2488 (POINTERS_EXTEND_UNSIGNED): Define.
2489 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2490 (FUNCTION_MODE): Define to be Pmode.
2491 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2493 * function.c (expand_function_end): Properly handle DECL_RESULT
2494 and copy when ptr_mode != Pmode.
2495 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2497 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2499 * c-common.c (c_common_nodes_and_builtins): Set prototype
2500 parameters for __builtin_fputs, __builtin_fputc and
2501 __builtin_fwrite. Don't declare plain fputc as a builtin.
2503 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2505 * loop.c (add_label_notes): Increment the label usage count when
2506 a note is added to an insn which refers to a CODE_LABEL.
2507 * gcse.c (add_label_notes): Likewise.
2509 2001-01-01 Andreas Jaeger <aj@suse.de>
2511 * loop.c (scan_loop): Use xmalloc to allocate movables.
2513 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2515 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2516 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2517 * reload1.c (REGISTER_MOVE_COST): Likewise.
2518 * regclass.c (REGISTER_MOVE_COST): Likewise.
2519 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2520 dimension. Adjust all users.
2521 (init_reg_sets_1): Iterate on all modes.
2522 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2523 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2524 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2525 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2526 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2527 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2528 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2529 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2530 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2531 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2532 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2533 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2534 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2535 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2536 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2537 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2538 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2539 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2540 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2541 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2542 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2543 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2544 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2545 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2546 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2547 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2548 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2550 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2552 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2553 arg VARIES_P. Call it with extra arg.
2554 (true_dependence): Likewise.
2555 * rtl.h (rtx_addr_can_trap_p): Declare.
2556 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2558 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2559 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2560 pic offset table register if it's zero. All callers changed.
2561 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2563 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2565 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2566 STRING_POOL_ADDRESS_P.
2568 * config/sparc/sparc.c (input_operand): Properly test for short op.
2570 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2571 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2572 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2573 * config/sparc/elf.h: No longer include sol2.h.
2574 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2575 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2577 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2579 2001-01-01 Michael Hayes <mhayes@redhat.com>
2581 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2582 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2583 (record_initial): Likewise.
2584 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2585 (remap_split_bivs): Likewise.
2587 2001-01-01 Michael Hayes <mhayes@redhat.com>
2589 * loop.c (loop_ivs_free): New function.
2590 (strength_reduce): Break out from...
2592 2001-01-01 Michael Hayes <mhayes@redhat.com>
2594 * loop.h (struct iv): New.
2595 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2596 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2597 'reg_biv_class' fields with 'regs' and 'n_regs'.
2598 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2599 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2600 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2602 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2604 * resource.c (mark_referenced_resources): Abort() before
2605 attempting to mark a pseudo register.
2606 (mark_set_resources): Likewise.
2608 2001-01-01 Michael Hayes <mhayes@redhat.com>
2610 * loop.h (REG_IV_CLASS): New accessor macro.
2611 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2612 * unroll.c (REG_IV_CLASS): Likewise.
2614 See ChangeLog.4 for earlier changes.