| blob | 27d7978202bba418e55662925d094f39b6b37249 |
1 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3 * cpp.texi: Correct typos.
5 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7 * explow.c (probe_stack_range): Ensure value passed to
8 stack_check_libfunc is ptr_mode, not Pmode.
10 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
12 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
13 case, don't use operand_subword to calculate a SUBREG that is
14 wider than a word.
16 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
18 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
21 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
22 valid. If not replace it by equivalent insns.
24 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
26 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
27 contains SYMBOL_REF, LABEL_REF and CONST_INT.
28 (c4x_U_constraint, symbolic_address_operand): Likewise.
29 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
30 memory.
31 (c4x_r11_set_p, c4x_check_laj_p): New functions.
32 * c4x-protos.h (c4x_check_laj_p): Add prototype.
33 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
34 anulling slot because of silicon bug.
35 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
37 2001-01-22 Alan Modra <alan@linuxcare.com.au>
39 * cppexp.c (parse_charconst): Change `mask' type to agree
40 with parse_escape.
42 2001-01-21 Richard Henderson <rth@redhat.com>
44 * config/i386/i386.c (ix86_asm_file_end): Disable putting
45 pic_label_name in a linkonce section.
47 2001-01-17 Philipp Thomas <pthomas@suse.de>
49 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
50 found in libintl.
51 * configure: Regenerate.
53 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
55 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
56 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
58 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
60 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
61 If REVERSE nonzero then condition code in X must be reversed.
62 (encode_section_info): Optimise if/else.
63 (avr_function_value): Fix formatting.
65 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
66 (difficult_branch): Likewise.
67 (rvbranch): Likewise.
68 (difficult_rvbranch): Likewise.
70 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
72 * config/avr/libgcc.S: Fix comment.
74 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
76 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
78 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
80 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
82 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
84 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
85 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
86 * configure, config.in: Regenerate.
87 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
88 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
89 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
90 (doprint.o): New rule.
92 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
94 * c-typeck.c (digest_init): Handle boolean types as scalars.
96 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
98 * stmt.c (expand_return): Don't return anything if size is zero.
99 Delete redundant assignment to BYTES.
100 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
102 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
104 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
105 the same as the default library function names.
106 * config/avr/avr.md: Document special characters after '%'.
107 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
108 knowing which of the call-used registers are really clobbered.
109 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
110 New. Both quotient and remainder from one libgcc.S call.
111 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
112 clobber as few registers as possible.
113 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
115 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
117 * cppmacro.c (funlike_invocation_p): Don't move back up to the
118 context of the top of the stack.
120 2001-01-20 Jakub Jelinek <jakub@redhat.com>
122 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
123 (fixup_var_refs_insns): ...here.
125 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
127 * function.c (fixup_var_refs_insns): Break up into
128 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
129 [loop over entire insn list], and fixup_var_refs_insns_with_hash
130 [loop over hash table entries].
131 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
132 fixup_var_refs_insns_with_hash, to match above changes.
134 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
136 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
137 (libgcc.a): Likewise.
138 (stmp-multilib): Likewise.
139 (STAGE2_FLAGS_TO_PASS): Likewise.
141 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
143 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
144 temporary if no_new_pseudos.
146 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
148 * cppinternals.texi: Update.
150 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
152 * arm.c (arm_init_builtins): Re-enable builtins.
154 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
156 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
157 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
158 element to be null, and always expect an EXPR_LIST.
159 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
160 * sched-deps.c (sched_analyze_1): Likewise.
161 * sched-rgn.c (check_live_1, update_live_1): Likewise.
163 * regclass.c (max_set_parallel): New variable.
164 (reg_scan): Take it into account in computation of max_parallel.
165 (reg_scan_mark_refs, case SET): Compute it.
167 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
168 args are REG.
169 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
170 * function.c (assign_parms): Use INTVAL for a CONST_INT.
172 2001-01-19 Jason Merrill <jason@redhat.com>
174 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
175 for the abstract instance of an inline function.
177 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
178 J"orn Rennecke <amylaar@redhat.com>
180 * reload1.c (move2add_note_store): Treat all registers directly or
181 indirectly derived from a base register as members of the same set
182 of values.
183 (reload_cse_move2add): Adjust accordingly. Take mode and offset
184 of base register into account.
186 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
188 * alias.c (find_base_value): Recognize TRUNCATE.
189 (record_set): In PLUS case, invalidate if other summand is also a
190 base value.
192 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
194 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
195 entry to be EXPR_LIST.
196 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
197 be an EXPR_LIST (but not null, which other code doesn't allow).
198 (note_stores): Properly handle PARALLEL in SET.
199 Recursively call for top-level PARALLEL.
200 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
201 * sched-rgn.c (check_live_1, update_live_1): Likewise.
203 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
205 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
207 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
208 not pfile->skipping (== 0).
210 2001-01-17 Nick Clifton <nickc@redhat.com>
212 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
213 machine_status.
215 2001-01-17 Jim Wilson <wilson@redhat.com>
217 * invoke.texi (IA-64 options): Improve.
219 2001-01-17 Tom Tromey <tromey@redhat.com>
221 * invoke.texi (Optimize Options): Use `{}' to around @samp
222 argument.
224 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
226 * invoke.texi (-fno-guess-branch-probability): New option.
228 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
230 * combine.c (try_combine): Don't set i3_subst_into_i2 for
231 case of making new double-word constant.
232 Revert last change: instead just test i3_subst_into_i2.
234 2001-01-17 Jakub Jelinek <jakub@redhat.com>
236 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
237 Use q constraints instead of r.
239 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
241 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
242 (machine_function): Define.
243 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
244 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
245 pa_free_machine_status): New functions.
246 (override_options): Set {init,mark,free}_machine_status to above.
247 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
248 PIC_OFFSET_TABLE_REGNUM_SAVED.
249 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
250 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
251 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
252 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
253 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
255 2001-01-15 DJ Delorie <dj@redhat.com>
257 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
258 (cpp.1): Ditto.
259 (gcc.1): Ditto.
261 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
263 * flow.c (propagate_on_insn): Make trying to delete a prologue
264 or epilogue insn an ICE, not a warning. Allow doing this if
265 the current function returns with stack pointer depressed.
267 * combine.c (try_combine): If i3_subst_into_i2, properly check for
268 I3 having more than one SET.
270 2001-01-16 Jim Wilson <wilson@redhat.com>
272 * invoke.texi: Document IA-64 options.
274 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
275 (fixup_errata): Delete TARGET_A_STEP use.
276 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
277 (TARGET_SWITCHES): Delete -ma-step option.
278 * config/ia64/ia64.md (all FP patterns): Delete %B0.
279 (movqicc_astep, movqi_internal_astep, movhicc_astep,
280 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
281 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
282 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
283 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
284 Delete.
285 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
286 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
287 cmovsi_internal): Delete ! TARGET_A_STEP check.
289 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
291 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
292 possibility to report bugs via postal mail. Change a URL and
293 merge in a nearly duplicate statement...
294 (Bug Reporting): ...from here.
295 (Service): Refer to the Bug Reporting section instead of
296 duplicating an URL.
297 (Contributing): Remove trivial explanations concerning snapshots.
299 2001-01-16 Alan Modra <alan@linuxcare.com.au>
301 * cppmain.c (general_init): Don't use ANSI prototype.
303 2001-01-16 Tom Tromey <tromey@redhat.com>
305 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
307 2001-01-16 Richard Henderson <rth@redhat.com>
309 * config/i386/i386.h: Fix comment typo.
310 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
311 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
313 2001-01-16 Phil Edwards <pme@sources.redhat.com>
315 * gcc.c: Revert previous -fsyntax-only-related change; move
316 to cp/g++spec.c.
318 2001-01-16 Jakub Jelinek <jakub@redhat.com>
320 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
321 inmode after checking GET_CODE (op).
323 2001-01-16 Richard Henderson <rth@redhat.com>
325 * flow.c (struct propagate_block_info): Add mem_set_list_len.
326 (MAX_MEM_SET_LIST_LEN): New.
327 (propagate_one_insn): Update mem_set_list_len.
328 (invalidate_mems_from_autoinc): Likewise.
329 (invalidate_mems_from_set): Likewise.
330 (mark_used_regs): Likewise.
331 (init_propagate_block_info): Likewise. Stop collecting memories
332 when we reach MAX_MEM_SET_LIST_LEN.
333 (mark_set_1): Likewise.
335 2001-01-16 Richard Henderson <rth@redhat.com>
337 * unroll.c (precondition_loop_p): Fail if no iteration
338 variable found.
340 2001-01-16 Phil Edwards <pme@sources.redhat.com>
342 * gcc.c: When -fsyntax-only is given, do not complain about
343 unused libraries.
345 2001-01-15 Richard Henderson <rth@redhat.com>
347 * config/i386/i386.c (asm_output_function_prefix): Remove.
348 (ix86_asm_file_end): New.
349 (load_pic_register): Generate pic_label_name into a
350 staticly allocated buffer.
351 * config/i386/i386-protos.h: Update.
352 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
353 (ASM_FILE_END): New.
354 * config/i386/i386afe.h: New file.
355 * config.gcc (i?86-*-elf) [tm_file]: Use it.
356 (i?86-*-{freebsd,linux*,moss*}): Likewise.
357 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
358 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
359 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
360 * config/i386/sco5.h (ASM_FILE_END): Likewise.
361 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
363 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
365 * Makefile.in (install-man): Remove explicit dependency on
366 $(srcdir)/gcc.1.
368 * configure.in, configure: Revert previous patch requiring perl
369 5.6.0.
371 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
373 * toplev.c (flag_guess_branch_prob): New.
374 (f_options): Add guess-branch-probability option.
375 (rest_of_decl_compilation): Only estimate branch probability if
376 flag set.
377 (main): set flag_guess_branch_prob.
379 * flags.h (flag_guess_branch_prob): New.
381 2001-01-15 DJ Delorie <dj@redhat.com>
383 * gcc.texi (Makefile): Add documentation for Makefile targets.
385 2001-01-15 Philip Blundell <philb@gnu.org>
387 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
388 (is_pic): Delete.
389 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
390 (is_pic): Delete declaration.
391 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
392 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
393 * config/arm/arm.md (builtin_setjmp_receiver): New.
395 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
397 * arm.c (use_return_insn): Don't try to determine the function type
398 until after reload has completed.
399 (arm_output_epilogue): Don't adjust the sp value recovered from the
400 stack.
401 (emit_multi_reg_push): Don't record dwarf information for the pc.
402 * arm.md (eh_epilogue): The function type may have changed, so it
403 needs to be recalculated.
404 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
405 unwind tables on arm/netbsd.
407 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
409 * arm.md (cbranchsi4): Correct calculation of branch ranges.
410 (negated_cbranchsi4): Likewise.
412 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
414 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
415 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
416 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
417 pass -mapcs-* options to assembler.
418 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
419 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
420 (ASM_SPEC): Call subtarget_extra_asm_spec.
422 2001-01-15 Andreas Jaeger <aj@suse.de>
424 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
425 warnings.
426 (ix86_expand_builtin): Likewise.
428 * gencodes.c (output_predicate_decls): Make i size_t to avoid
429 warning about comparison between signed and unsigned.
431 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
433 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
435 2001-01-14 Ralf Baechle <ralf@gnu.org>
437 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
438 SUBTARGET_CPP_SPEC apropriatly.
440 2001-01-12 Mark Mitchell <mark@codesourcery.com>
442 * varasm.c (make_decl_rtl): Fix typo in last change.
444 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
446 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
447 linker supports the init_priority C++ attribute.
448 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
449 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
450 linker does not support init_priority C++ attribute.
452 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
454 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
456 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
458 * c-parse.in (finish_parse): Add comment about cpp_destroy.
459 * cp/lex.c (finish_parse): Similarly.
460 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
461 Return the number of errors encountered.
462 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
463 * cppmain.c (main): Don't call cpp_destroy.
465 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
467 * configure.in: Require at least perl 5.6.0 to regenerate
468 manpages.
469 * configure: Regenerate.
471 2001-01-14 Richard Henderson <rth@redhat.com>
473 * genrecog.c (DT_veclen_ge): New.
474 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
475 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
476 (nodes_identical_1): Handle DT_veclen_ge.
477 (write_cond, debug_decision_2): Likewise.
479 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
481 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
482 with ...
483 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
485 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
487 * cppmain.c (do_preprocessing): New function; most of the old
488 main.
489 (main): Call it to do most of the work.
490 (cb): Move from global scope to set_callbacks ().
491 (setup_callbacks): Get the callback pointer.
492 (general_init, printer_init): Clean up code and comments.
494 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
496 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
497 compiling PIC.
499 2001-01-14 Kazu Hirata <kazu@hxi.com>
501 * config/h8300/h8300.c (get_shift_alg): Update comments.
503 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
505 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
506 (alloc_page, ggc_alloc): Add casts to remove warnings.
508 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
510 * combine.c (simplify_comparison): Don't change `code' when
511 can't reverse comparison.
513 2001-01-14 Richard Henderson <rth@redhat.com>
515 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
516 update all call sites. Return true for all non-label constants.
518 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
520 * i386.c (ix86_expand_compare): Add bypass_test and second_test
521 parameters.
522 (ix86_expand_branch): Update.
523 (ix86_expand_setcc): Update to handle multiple test conditions.
524 (expand_int_movcc): Likewise.
525 (expand_fp_movcc): Likewise.
526 * i386-protos.h (ix86_expand_compare): New.
527 * i386.md (andqi_?_slp, orqi_?_slp): New.
528 (conditional trap expander): Update call to ix86_expand_compare.
530 2001-01-14 Richard Henderson <rth@redhat.com>
532 * config/vax/vax.md: Use nonimmediate_operand instead of
533 general_operand in destinations.
535 * config/vax/vax.md (indirect_jump): Use register_operand.
537 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
538 * config/vax/vax.md (call_pop): Turn into an expander.
539 (call_value_pop): Likewise.
540 (call, call_value): New.
542 2001-01-14 Andreas Jaeger <aj@suse.de>
544 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
545 variables.
546 (ix86_fp_compare_mode): Add unused attribute.
547 (ix86_expand_fp_movcc): Remove unused variable.
548 (ix86_expand_builtin): Make fcode unsigned.
550 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
551 (expand_expr): Add cast to avoid signed warning.
552 (store_field): Likewise.
553 (store_constructor_field): Likewise.
554 (store_constructor): Likewise.
555 (store_expr): Likewise.
556 (clear_storage): Likewise.
557 (emit_group_store): Likewise.
558 (emit_group_load): Likewise.
560 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
562 * c-common.c: Move format checking code to ...
563 * c-format.c: ... here. New file. Reorder some functions and
564 declarations.
565 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
566 New functions.
567 * c-common.h (decl_handle_format_attribute,
568 decl_handle_format_arg_attribute): Declare.
569 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
570 (c-common.o): Adjust dependencies.
571 (c-format.o): New list of dependencies.
573 2001-01-13 Jakub Jelinek <jakub@redhat.com>
575 * unroll.c (loop_iterations): If we cannot prove iteration variable
576 is set once in each iteration, punt.
578 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
580 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
581 (*strlenhi): Remove clobber (which was buggy) of output address.
583 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
585 * Makefile.in (generated-manpages): Add gcc.1
586 ($(srcdir)/gcc.1): New target.
587 (maintainer-clean): Delete $(srcdir)/gcc.1.
588 * gcc.texi: Add macros @gccoptlist and @gol.
589 * invoke.texi: Include option summary in manpage. Mark up option
590 summary with @gccoptlist and @gol. Use @r in one place where
591 appropriate.
592 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
593 * gcc.1: Generate from invoke.texi.
595 2001-01-13 Richard Henderson <rth@redhat.com>
597 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
598 (struct page_entry): Add group member.
599 (struct page_group): New.
600 (struct globals): Add page_groups member.
601 (alloc_anon): Only define for using mmap; remove valloc call.
602 (page_group_index): New.
603 (set_page_group_in_use): New.
604 (clear_page_group_in_use): New.
605 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
606 (free_page, release_pages): Likewise.
607 * configure.in (with-gc): Default to ggc-page always.
609 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
611 * reload1.c (replace_pseudos_in_call_usage): Use
612 reg_equiv_constant and reg_equiv_address, and don't try
613 regno_reg_rtx first.
615 2001-01-13 Richard Henderson <rth@redhat.com>
617 * ggc-page.c (alloc_page): Round up allocation size to one page.
618 Set e->order on extra pages.
620 2001-01-13 Richard Henderson <rth@redhat.com>
622 * genrecog.c (nodes_identical): Expand commentary.
623 (write_switch): Watch out for identical nodes.
625 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
627 * cppfiles.c (_cpp_fake_include): New function.
628 * cpphash.h (_cpp_fake_include): New.
629 * cpplib.c (do_line): Call _cpp_fake_include when entering
630 header files in preprocessed input.
631 * cppmain.c (cb_pragma_implementation): Remove handling.
632 (setup_callbacks): Don't register pragmas.
634 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
636 * extend.texi: Udate for CPP.
638 2001-01-13 Andreas Jaeger <aj@suse.de>
640 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
642 * regmove.c: Add prototype for replace_in_call_usage.
644 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
646 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
647 struct cpp_chunk, struct htab, struct toklist,
648 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
649 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
650 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
651 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
652 (struct macro_args): Delete.
653 * cpphash.h: See above.
655 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
657 * cppmain.c (struct printer): Remove no_line_dirs.
658 (options, cb): New.
659 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
660 : Use options rather than CPP_OPTION.
661 (setup_callbacks): Use cb rather than pfile->cb.
662 (main): No need to check for a buffer. Use cpp_errors.
663 (printer_init): Don't set no_line_dirs.
664 (maybe_print_line): Use options not no_line_dirs.
665 (cb_file_change): Don't call print_line if -P.
667 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
669 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
670 callbacks.
671 * c-parse.in (finish_parse): Use cpp_errors.
672 (__yylex): Use return value of cpp_pop_buffer.
673 * cp/lex.c (finish_parse): Use cpp_errors.
674 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
676 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
678 * README.AVR: URLs corrected.
680 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
682 * c-decl.c (start_function): Don't warn if old prototype is builtin
683 that's not in C's namespace.
684 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
685 (_bb): Add prototype for ctime.
686 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
688 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
690 * i386.c (ix86_fp_comparison_arithmetics_cost,
691 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
692 ix86_fp_comparison_cost): New functions.
693 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
694 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
695 two-branch sequences; make static.
696 (ix86_use_fcomi_compare): Do decision according to the costs.
697 (split_fp_branch): New.
698 * i386.md (compare-and-branch patterns): Use split_fp_branch.
699 * i386-protos.h (ix86_expand_fp_compare): Remove
700 (ix86_split_fp_branch): Declare.
702 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
703 and ix86_comparison_operator.
705 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
706 to make it cheaper.
708 * i386.c (put_condition_code): Output properly the unordered/ordered
709 compares in fp case.
710 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
712 * tm.texi (REVERSE_CONDITION): Document.
713 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
714 in -ffast-math mode.
715 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
717 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
719 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
721 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
722 optimized away.
724 * config/sh/sh.c (mova_p): Fix test for mova_const.
726 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
728 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
729 cpp_get_options rather than dereferencing pfile and using
730 CPP_OPTION.
731 * scan-decls.c (scan_decls): Use return value of
732 cpp_pop_buffer rather than CPP_BUFFER.
734 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
736 * cppinit.c (cpp_handle_option): help_only is now part of the
737 cpp_options structure.
738 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
739 cpp_set_callbacks): New functions.
740 * cpplib.h (cpp_callbacks): Break out as a named structure.
741 (cpp_options): Move help_only here from cpp_reader.
742 (CPP_FATAL_ERRORS): Update to use cpp_errors.
743 (cpp_errors, cpp_get_options, cpp_get_callbacks,
744 cpp_set_callbacks): New prototypes.
745 * cppmain.c (main): Update for help_only.
747 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
749 * Makefile.in (info, maintainer-clean, install-info, uninstall):
750 Also build and remove and install and uninstall c-tree.info and
751 cppinternals.info.
752 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
753 ($(srcdir)/cppinternals.info): New target.
754 * c-tree.texi: Change file name used when makeinfo used without -o
755 from ir.info to c-tree.info. Add info directory entry.
756 * cppinternals.texi: Add info directory entry.
757 * .cvsignore: Update.
759 2001-01-12 Jakub Jelinek <jakub@redhat.com>
761 * c-typeck.c (store_init_value): Don't require constant initializer
762 elements with -pedantic -std=c99.
763 (digest_init): Change error about non-constant initializer elements
764 into pedwarn.
765 (constructor_range_end): Remove.
766 (constructor_incremental, designator_depth,
767 designator_errorneous): New variables.
768 (struct constructor_stack): Remove range_end, add incremental.
769 (struct constructor_range_stack, constructor_range_stack): New.
770 (struct initializer_stack): Add constructor_range_stack.
771 (finish_init): Set it.
772 (start_init): Likewise. require_constant_elements for non-static
773 trees only if not flag_isoc99.
774 (really_start_incremental_init): Remove constructor_range_end, add
775 constructor_incremental.
776 (pop_init_level): Likewise.
777 (push_init_level): Likewise. If implicit and the subobject had some
778 value set already, preinitialize the level with it.
779 Warn about missing braces only if not pushing due to designators.
780 (set_designator, push_range_stack): New functions.
781 (set_init_label): Use them.
782 (set_init_index): Likewise. Remove constructor_range_end.
783 Error if designator index is outside of array bounds.
784 (add_pending_init): Compare values of purpose index trees, not the
785 trees themselves. Allow overwriting of already initialized element.
786 Issue a warning if it had side-effects.
787 (set_nonincremental_init, set_nonincremental_init_from_string): New
788 functions.
789 (pending_init_member): Rename to...
790 (find_init_member): ...this function. Call set_nonincremental_init
791 if necessary. Compare values of purpose index trees, not the trees
792 themselves. Return the actual value, not just non-zero if something
793 is found.
794 (output_init_element): Remove checks for duplicates.
795 If field has zero size, only check the initializer for correctness.
796 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
797 if constructor_incremental is zero. Change error about initializers
798 not computable at load time into pedwarn.
799 (output_pending_init_elements): Compare bit positions, not
800 FIELD_DECLs to take into account zero-sized fields.
801 (process_init_element): Use constructor_range_stack to fill all
802 ranges in the designator lists from current level up.
803 * extend.texi: Update documentation for labeled elements.
805 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
807 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
808 to function usage for arguments passed by reference. Optimize
809 callee-copied arguments.
810 * regmove.c (replace_in_call_usage): New function.
811 (fixup_match_1): Call it.
812 * cse.c (cse_insn): Canonicalize registers in function usage.
813 * reload1.c (replace_pseudos_in_call_usage): New function.
814 (reload): Call it.
816 * Makefile.in: Reverted yesterday's wrong patch. Installed the
817 right version.
819 2001-01-12 Jakub Jelinek <jakub@redhat.com>
821 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
822 not XEXP (tmp, 0).
824 2001-01-12 DJ Delorie <dj@redhat.com>
826 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
827 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
828 targets.
830 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
832 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
833 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
834 -std options alongside references to -ansi. Update some
835 documentation for C99.
836 * cpp.1: Regenerate.
838 2001-01-12 Andreas Jaeger <aj@suse.de>
840 * haifa-sched.c (restore_line_notes): Remove argument block B
841 since it's unused.
842 * sched-ebb.c (schedule_ebb): Change caller.
843 * sched-rgn.c (schedule_region): Likewise.
844 * sched-int.h (restore_line_notes): Adjust prototype.
846 * loop.h: Remove wrong declaration of doloop_condition_get.
848 2001-01-12 Phil Edwards <pme@sources.redhat.com>
850 * extend.texi: Move C++-extension-related node from the C section
851 into the C++ section.
853 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
855 * extend.texi: Refer to an array of pointers to functions instead
856 of one of functions.
858 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
859 Jan Hubicka <jh@suse.cz>
861 * combine.c (reversed_comparison): Fix typo in last patch.
862 Check X for NULL.
863 (combine_reversed_comparison_code): Make static to follow
864 prototype declaration.
866 2001-01-12 Phil Edwards <pme@sources.redhat.com>
868 * install.texi: Remove misplaced duplicate entry.
870 2001-01-11 Ulrich Drepper <drepper@redhat.com>
872 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
874 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
876 * final.c: (leaf_function_p): Fix typo.
878 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
880 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
881 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
882 which you have.
883 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
884 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
885 mmap_anon, and valloc is available.
886 * ggc-page.c: Restructure ifdef logic to match new autoconf
887 spec. Don't throw away the test page in init_ggc.
889 * configure, config.in: Regenerate.
891 2001-01-12 Michael Hayes <mhayes@redhat.com>
893 * loop.h (total_biv_increment): Constify iv_class pointer.
894 (struct induction): Replace `mem_mode' with `mem' rtx.
895 * unroll.c (total_biv_increment): Constify iv_class pointer.
896 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
897 (find_mem_givs, combine_givs_p): Likewise.
898 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
900 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
902 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
903 LastError.
904 (__gthread_getspecific): Ditto.
906 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
908 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
909 put_condition_code): Convert fp comparison codes to integer
910 before handling.
911 (ix86_expand_fp_compare): Postnote the fp comparison code converison
912 to final.
914 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
915 * i386-protos.h (no_comparison_operator): Kill.
917 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
919 * combine.c (REVERSIBLE_CC_MODE): Remove.
920 (reversible_comparison_p): Remove.
921 (combine_reversed_comparison_code): New.
922 (reversed_comparison): New.
923 (combine_simplify_rtx): Use
924 combine_reversed_comparison_code/reversed_comparison instead
925 of reversible_comparison_p.
926 (simplify_if_then_else): Likewise.
927 (simplify_set): Likewise.
928 (simplify_logical): Likewise.
929 (if_then_else_cond): Likewise.
930 (known_cond): Likewise.
931 (simplify_comparison): Likewise.
933 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
935 * builtins.c (std_expand_builtin_va_start): Handle varargs when
936 sizeof (int) is larger than sizeof(__word__).
938 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
940 * cppinit.c (do_includes): Fix typo.
942 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
944 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
945 in S_REGS does not occur because not all sources are possible
946 when a S_REGS is a destination (sometimes needs a clobber).
947 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
948 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
949 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
950 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
951 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
952 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
953 (lshrdi_const1, lshrsi3_const16): Likewise.
954 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
955 (*movhi_68hc12, *movqi_68hc12): Likewise.
956 (movstrictqi): Make sure reloading in D_REGS as a destination
957 does not happen.
959 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
961 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
963 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
965 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
966 -D, -U and -A, and don't initialize the builtins.
967 (do_includes): Error if -include or -imacros with -fpreprocessed.
968 * cppmain.c (cb_define, cb_undef): Unconditionally process
969 the callback.
970 * tradcpp.c (main): Fix typo.
972 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
974 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
975 (read_name_map): Use IS_ABSOLUTE_PATH.
976 * tradcpp.c (get_filename): Likewise.
978 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
980 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
981 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
982 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
983 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
984 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
985 (cmphi_z_used): Don't use '@' for the output.
986 (tstqi_z_used): Likewise.
987 (cmpqi_z_used): Likewise.
988 (one_cmplsi2): Likewise.
990 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
992 * config/sh/sh.c (barrier_align): Recognize branch around far
993 branch and redundant insn.
995 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
997 * invoke.texi: Restore documentation of the drivers' switches -MD
998 and -MMD.
1000 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1002 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1004 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1005 check-objc//%): Support parallel testing of multilibs.
1006 (TESTSUITEDIR): Set to testsuite by default, but override for
1007 parallel testing.
1008 (check-gcc, check-g++, check-g77, check-objc): Enter
1009 $(TESTSUITEDIR).
1011 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1013 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1014 * sched-deps.c (deps_may_trap_p): Likewise.
1015 * basic-block.h: Remove a comment.
1016 * flow.c (PROP_POSTRELOAD): Remove.
1017 (update_life_info): Don't add it to prop_flags.
1018 (mark_set_1): Lose the code that was enabled by it.
1020 2001-01-11 Michael Hayes <mhayes@redhat.com>
1022 * flow.c (flow_call_edges_add): New.
1023 * basic_block.h (flow_call_edges_add): New.
1025 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1027 * reload1.c (move2add_note_store): Update reg_set_luid even if
1028 base reg remains the same.
1030 2001-01-10 Nick Clifton <nickc@redhat.com>
1032 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1033 machine_function structure to zero.
1034 Add prototypes for machine_status functions.
1036 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1038 * c-common.h (CTI_VOID_LIST): Remove.
1039 (void_list_node): Likewise.
1040 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1041 (void_list_node): New macro.
1042 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1043 * config/i386/i386.c (ix86_init_builtins): Likewise.
1044 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1046 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1048 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1049 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1050 if statement.
1051 * tradcpp.c: Include mkdeps.h.
1052 (deps, print_deps_phony_targets, deps_append, output_deps,
1053 init_dependency_output, output_deps): New.
1054 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1055 deps_output): Delete.
1056 (print_deps_missing_files): Rename deps_missing_files.
1057 (inhibit_output): Make global.
1058 (main): Delete inhibit_output, deps_stream, deps_target.
1059 Use mkdeps functionality in the same way as cpplib. Remove
1060 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1061 -M and -MM. Remove old handling of deps via deps_out, and
1062 old reading of environment variables.
1063 (get_filename): Update to use deps_add_dep.
1065 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1067 * output.h (make_function_rtl): Remove prototype.
1068 (make_decl_rtl): Likewise.
1069 * varasm.c (make_function_rtl): Remove.
1070 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1071 than from a third parameter.
1072 * tree.h (make_decl_rtl): Remove last parameter.
1073 * c-decl.c (builtin_function): Remove last argument in call to
1074 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1075 (start_function): Likewise.
1076 * except.c (call_get_eh_context): Likewise.
1077 * expr.c (emit_block_move): Likewise.
1078 (clear_storage): Likewise.
1079 * profile.c (output_func_start_profiler): Likewise.
1080 * toplev.c (rest_of_decl_compilation): Likewise.
1081 * objc/objc-act.c (create_builtin_decl): Likewise.
1082 (synth_module_prologue): Likewise.
1083 (generate_static_reference): Likewise.
1084 (build_selector_reference_decl): Likewise.
1085 (build_class_reference_decl): Likewise.
1086 (build_objc_string_decl): Likewise.
1087 (build_protocol_reference): Likewise.
1089 2001-01-10 Richard Henderson <rth@redhat.com>
1091 * hwint.h: Revert yesterday's change.
1093 2001-01-10 Nick Clifton <nickc@redhat.com>
1095 * function.h (save_machine_status): Delete.
1096 (restore_machine_status): Delete.
1097 Amend comment describing {init|mark|free}_machine_status.
1099 * function.c (save_machine_status): Delete.
1100 (restore_machine_status): Delete.
1101 Amend comment describing {init|mark|free}_machine_status.
1102 (push_function_context_to): Remove invocation of
1103 save_machine_status.
1104 (pop_function_context_from): Remove invocation of
1105 restore_machine_status.
1107 * emit-rtl.c (init_emit_once): Amend comment describing
1108 {init|mark|free}_machine_status.
1110 * tm.texi (Per-Function Data): New node. Describe the
1111 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1112 function pointers.
1114 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1116 * cppinit.c (OPT_g): Remove.
1117 (cpp_handle_option): Update for removed -g3.
1118 (print_help): Update.
1119 * cpplib.h (struct cpp_options): Remove debug_output.
1120 * cppmain.c (setup_callbacks, cb_define): Update.
1121 * gcc.c (cpp_options): Translate -g3 to -dD.
1123 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1125 * config/i960/i960.md: Change modifier to + on the zero_extract
1126 pattern after the (rotate -2 reg) canonicalization pattern.
1128 2001-01-10 Richard Henderson <rth@redhat.com>
1130 * config/alpha/alpha.c (alpha_free_machine_status): New.
1131 (override_options): Install it.
1132 (alpha_mark_machine_status): Verify machine non-null.
1133 * config/i386/i386.c (ix86_free_machine_status): New.
1134 (override_options): Install it.
1135 (ix86_init_machine_status): Use xcalloc.
1136 (ix86_mark_machine_status): Verify machine non-null.
1137 * config/ia64/ia64.c (ia64_free_machine_status): New.
1138 (ia64_override_options): Install it.
1139 (ia64_mark_machine_status): Verify machine non-null.
1141 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1143 * function.c (instantiate_virtual_regs): Instantiate virtual
1144 registers found in CALL_INSN_FUNCTION_USAGE.
1146 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1148 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1149 equivalent to -ansi in disabling -Di386.
1151 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1153 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1154 new functions.
1155 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1157 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1159 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1161 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1163 * invoke.texi: Document that -fcond-mismatch isn't supported for
1164 C++.
1166 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1168 * gcc.texi: Define macro gcctabopt.
1169 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1170 @command, @env and @option in some places where appropriate. Use
1171 @gcctabopt where appropriate. Put URLs and email addresses inside
1172 @w.
1174 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1176 * gcc.c (cpp_options): Set MD file name from output
1177 filename, if specified.
1178 (suffix_subst): New static variable.
1179 (do_spec): Clear it.
1180 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1181 Clear it.
1182 (give_switch): Handle suffix_subst.
1184 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1186 * invoke.texi: Fix another typo.
1188 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1190 * invoke.texi: Fix typo.
1192 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1194 * c-lang.c (lang_hooks): Update.
1195 (lang_decode_option): Remove.
1196 (lang_init_options): Rename c_init_options.
1197 * toplev.c (main): Use lang_hooks for lang_init_options
1198 and lang_decode_option.
1199 * toplev.h (lang_hooks): Add 2 new hooks.
1200 * tree.h: Remove lang_init_options and lang_decode_option.
1201 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1202 * cp/decl2.c: Similarly.
1203 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1204 (lang_hooks): Update.
1205 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1206 for consistency.
1207 (lang_init_options): Rename ffe_init_options.
1208 (lang_hooks): Update.
1209 (lang_decode_option): Remove.
1210 * java/lang.c (lang_init_options): Rename java_init_options.
1211 (lang_decode_option): Rename java_decode_option.
1212 (lang_hooks): Update.
1213 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1214 (lang_decode_option): Rename objc_decode_option.
1215 (lang_hooks): Update.
1217 2001-01-09 Nick Clifton <nickc@redhat.com>
1219 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1220 (d30v_return_addr_rtx): Delete.
1221 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1222 cfun->machine structure.
1223 (struct machine_function): Move to d30v.h
1224 (d30v_save_machine_status): Delete.
1225 (d30v_restore_machine_status): Delete.
1226 (d30v_init_machine_status): New Function.
1227 (d30v_mark_machine_status): New Function.
1228 (d30v_free_machine_status): New Function.
1229 (d30v_init_expanders): Use new functions.
1230 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1231 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1232 d30v_return_addr_rtx.
1234 * config/d30v/d30v.h (struct_machine): Move here.
1235 Add eh_epilogue_sp_ofs field.
1237 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1238 field in cfun->machine structure.
1240 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1242 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1243 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1244 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1246 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1248 * objc/lang-options.h: Remove bogus reference to
1249 Java trademark.
1251 2001-01-09 Kazu Hirata <kazu@hxi.com>
1253 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1254 return the result.
1256 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1258 * reload.c (find_reloads_address): Check for eliminable registers
1259 when substituting a constant expression for a pseudo.
1261 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1263 * c-common.c (enum format_type): Add format_type_error.
1264 (decode_format_type): New function.
1265 (decl_attributes): Use it.
1266 (format_kind_info): Adjust comment.
1268 2001-01-09 David O'Brien <obrien@BSDi.com>
1270 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1271 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1272 files in tm_file.
1273 * config/i386/gnu.h: Don't include required platform specific .h files,
1274 tm.h will do it instead.
1275 * config/i386/i386elf.h: Likewise.
1276 * config/i386/linux.h: Likewise.
1277 * config/i386/moss.h: Likewise.
1278 * config/mips/gnu.h: Likewise.
1280 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1282 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1283 (rs6000-ibm-aix3.[01]*): Likewise.
1284 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1285 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1286 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1287 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1288 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1289 (powerpc-*-eabiaix*): Likewise.
1290 (powerpc-*-eabisim*): Likewise.
1291 (powerpc-*-elf*): Likewise.
1292 (powerpc-*-eabi*): Likewise.
1293 (powerpc-*-rtems*): Likewise.
1294 (powerpc-*-linux*libc1): Likewise.
1295 (powerpc-*-linux*): Likewise.
1296 (powerpc-wrs-vxworks*): Likewise.
1297 (powerpcle-wrs-vxworks*): Likewise.
1298 (powerpcle-*-sysv*): Likewise.
1299 (powerpcle-*-elf*): Likewise.
1300 (powerpcle-*-eabisim*): Likewise.
1301 (powerpcle-*-eabi*): Likewise.
1302 (powerpcle-*-solaris2*): Likewise.
1303 * config/rs6000/aix31.h: Delete includes.
1304 * config/rs6000/aix3newas.h: Likewise.
1305 * config/rs6000/aix41.h: Likewise.
1306 * config/rs6000/aix43.h: Likewise.
1307 * config/rs6000/beos.h: Likewise.
1308 * config/rs6000/rtems.h: Likewise.
1309 * config/rs6000/sysv4.h: Likewise.
1311 2001-01-09 Kazu Hirata <kazu@hxi.com>
1313 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1314 Change an argument mode of machine_mode to shift_mode of
1315 shift_mode. Remove an extra error check.
1316 (emit_a_shift): Adopt to the new calling prototype of
1317 get_shift_alg.
1318 (function_prologue): Fix code for a monitor
1319 function. Support H8/S.
1320 (function_epilogue): Do not output pop for a monitor function.
1322 2001-01-09 Nick Clifton <nickc@redhat.com>
1324 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1325 (setup_incoming_varargs): Use sysv_varargs_p field of the
1326 cfun->machine structure.
1327 (struct machine_function): Move to rs6000.h
1328 (rs6000_save_machine_status): Delete.
1329 (rs6000_restore_machine_status): Delete.
1330 (rs6000_init_machine_status): New Function.
1331 (rs6000_free_machine_status): New Function.
1332 (rs6000_init_expanders): Use new functions.
1334 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1335 export.
1336 (struct machine_function): Move here.
1338 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1339 sysv_varargs_p field of the cfun->machine structure.
1341 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1342 Remove prototype.
1343 (rs6000_restore_machine_status): Remove prototype.
1345 2001-01-09 Richard Henderson <rth@redhat.com>
1347 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1348 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1349 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1350 (sched_analyze_2, sched_analyze_insn): Likewise.
1351 (sched_analyze, init_deps): Likewise.
1352 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1353 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1354 (compute_block_backward_dependences): Update propagate_deps call.
1356 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1358 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1360 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1362 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1363 (cpp_handle_option): Handle them.
1364 (cpp_post_options): Ensure one of -M or -MM is specified with
1365 any other -M? option.
1366 (init_dependency_output): Suppress output with -MG.
1368 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1370 * cpp.texi: Update.
1371 * invoke.texi: Update.
1373 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1375 * sh.md (reload_outsf): Generate recognizable patterns for
1376 TARGET_SH3E.
1378 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1380 * c-lang.c (lang_hooks): Update.
1381 (lang_init): Rename c_init.
1382 (lang_finish): Remove.
1383 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1384 and lang_finish ().
1385 * toplev.h (lang_hooks): Add init () and finish ().
1386 * tree.h (lang_init, lang_finish): Remove.
1387 * cp/tree.h (lang_init, lang_finish): Remove.
1388 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1389 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1390 lang_hooks): New.
1391 (lang_init, lang_finish): Remove.
1392 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1393 (lang_hooks): Update.
1394 * java/lang.c (lang_init): Rename java_init.
1395 (lang_finish): Remove.
1396 (lang_hooks): Update.
1397 * objc/objc-act.c (lang_init): Rename objc_init.
1398 (lang_finish): Remove.
1399 (lang_hoooks): Update.
1401 20001-01-09 Graham Stott <grahams@redhat.com>
1403 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1404 after `ptr` is initialised.
1406 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1408 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1409 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1410 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1411 stack adjusts, instead of r3.
1413 2001-01-09 Michael Hayes <mhayes@redhat.com>
1415 * flow.c (flow_loop_scan): Break out of ...
1416 (flow_loops_find) ... here.
1417 * basic-block.h (flow_loop_scan): New.
1418 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1419 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1421 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1423 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1424 macro_buffer_len.
1425 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1426 realloc()ing macro_buffer.
1428 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1429 if it's wider than long and the target's long is wider than the
1430 host's.
1432 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1434 Remove support for using UWIN as a host machine.
1435 * configure.in: Issue an error message.
1436 * configure: Regenerated.
1437 * config.gcc: Remove xm_* UWIN configury.
1438 * config/i386/xm-uwin.h: Remove.
1440 2001-01-08 Nick Clifton <nickc@redhat.com>
1442 * config/v850/v850.c (ra_rtx): Delete.
1443 (v850_save_machine_status): Delete.
1444 (v850_restore_machine_status): Delete.
1445 (v850_init_machine_status): New function.
1446 (v850_mark_machine_status): New function.
1447 (v850_free_machine_status): New function.
1448 (v850_return_addr): Use ra_rtx field in machine structure.
1449 (v850_init_expanders): Use new functions.
1451 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1452 * config/v850/v850.c: Change arguments to v850_output+* functions
1453 to take a const char *, to avoid compile time warning.
1454 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1455 (USER_LABEL_PREFIX): Redefine.
1457 2000-01-08 Jim Wilson <wilson@redhat.com>
1459 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1460 1 to unsigned HOST_WIDE_INT before left shift.
1462 2001-01-08 Nick Clifton <nickc@redhat.com>
1464 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1465 the machine structure has been allocated.
1466 (arm_free_machine_status): New function: Free the machine
1467 specific function structure.
1469 2001-01-08 Richard Henderson <rth@redhat.com>
1471 * jump.c (simplejump_p): Revert last change.
1473 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1475 * cppinit.c (init): Rename init_library.
1476 (cpp_create_reader): Update.
1477 * gcc.c (cpp_options): If -o given, use it as the target of
1478 any -M options.
1480 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1482 * arm.c (arm_arch5e): New variable.
1483 (all_cores): XScale is a 5TE device.
1484 (arm_override_options): Set arm_arch5e.
1485 (arm_init_builtins): __builtin_prefetch is in arch5e.
1486 * arm.h (arm_arch5e): Declare it.
1488 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1490 * arm.md (define_constants): Add defines for UNSPEC and
1491 UNSPEC_VOLATILE insns. Update all users.
1492 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1493 * arm.c (multi_register_push, note_invalid_constants)
1494 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1495 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1496 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1498 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1500 * jump.c (jump_optimize_1): Use reversed_comparison_code
1501 instead of can_reverse_comparison_p.
1502 (jump_back_p): Likewise.
1503 (invert_exp_1): Likewise.
1504 (thread_jumps): Likewise.
1505 * simplify-rtx.c (simplify_unary_operation): Likewise.
1506 (simplify_ternary_operation): Likewise.
1507 * cse.c (find_comparison_args): Convert to use
1508 can_reverse_comparison_p.
1509 (record_jump_equiv): Likewise.
1511 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1513 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1514 (EPILOGUE_USES): Define.
1515 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1516 automatically stack the LR if it isn't live.
1518 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1520 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1521 properly.
1523 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1525 * ggc-page.c (max_alignment): New structure.
1526 (MAX_ALIGNMENT): New macro.
1527 (init_ggc): Use it to round up the sizes in the
1528 extra_order_size_table.
1530 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1532 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1533 after reload.
1535 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1537 * builtins.def (BUILT_IN_FPRINTF): New entry.
1539 * c-common.c (c_expand_builtin_fprintf): New function.
1540 (init_function_format_info): Handle __builtin_fprintf.
1541 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1542 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1544 * c-decl.c (duplicate_decls): Adjust comment.
1546 * extend.texi (fprintf): Document new builtin.
1548 2001-01-07 Richard Henderson <rth@redhat.com>
1550 * jump.c (simplejump_p): Recognize any single_set jump
1551 of the proper form.
1553 2001-01-07 Richard Henderson <rth@redhat.com>
1555 * configure.in (slibdir): Accept an --with-slibdir option.
1556 Use "test" not "[" in configure. Default to $(libdir).
1558 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1559 fix typo in rm -f.
1560 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1561 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1562 (SHLIB_LINK): Create links for the soname.
1563 * config/mips/t-iris6: Likewise.
1564 * config/sparc/t-slibgcc: Likewise.
1565 * config/sparc/t-slibgcc-sld: Likewise.
1567 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1569 * config/i386/i386.c (constant_call_address_operand): Accept
1570 (const (plus (symbol_ref) (const_int))).
1571 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1572 constant_call_address_operand.
1574 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1576 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1577 and LONG_LONG_TYPE_SIZE > 32.
1579 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1581 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1582 the previous change.
1584 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1586 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1587 New.
1588 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1589 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1590 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1591 Declare.
1593 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1595 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1597 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1599 * c-lang.c (c_post_options): Call cpp_post_options.
1600 * objc/objc-act.c (objc_post_options): Similarly.
1601 * cppmain.c (main): Similarly.
1602 * fix-header.c (read_scan_file): Similarly.
1603 * cppinit.c (cpp_start_read): Move option consistency checks
1604 to cpp_post_options. Don't call init_dependency_output.
1605 If needed, add default target and main file dependency.
1606 (OPT_MD, OPT_MMD): Remove.
1607 (OPT_MF): New.
1608 (cpp_handle_option): Update for OPT_* changes.
1609 (cpp_post_options): New.
1610 (init_dependency_output): Command line -MF overrides environment
1611 variables. Don't set default target etc. Suppress output
1612 if dependencies are going to stdout.
1613 (print_help): Update.
1614 * cpplib.h (cpp_post_options): New.
1615 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1617 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1619 * jump.c (comparison_dominates_p): Support unordered compares.
1621 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1623 * simplify-rtx.c (simplify_relational_operation): Always simplify
1624 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1625 and UNGE.
1627 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1629 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1630 (nonzero_bits): Likewise.
1631 (simplify_comparison): Likewise.
1632 (num_sign_bit_copies): Likewise; return more sane value depending
1633 on STORE_FLAG_VALUE.
1634 (known_cond): Do not assume EQ to be always true for equivalent
1635 operands.
1637 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1639 * cse.c (fold_rtx): Handle unordered comparisons.
1641 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1643 * rtlanal.c (set_of_1): New static function.
1644 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1645 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1646 reg_set_last_last_regno): Remove.
1647 (set_of): New global function.
1648 (set_of_data): New structure.
1649 (reg_set_p, reg_set_last): Revamp for set_of.
1650 * rtl.h (set_of): New.
1652 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1654 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1655 * extend.texi: Document _Exit builtin.
1657 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1659 * (initialize, initialize_builtins,
1660 initialize_dependency_output, initialize_standard_includes):
1661 Rename s/initialize/init. Update.
1662 (init_dependency_output): Move to after
1663 cpp_handle_options, the correct location temporally at least.
1664 (opt_comp): Move next to init (), its caller. Fix prototype.
1665 (init): Make "initialized" local scope.
1666 (cpp_create_reader): Always call init ().
1667 (cpp_start_read): Update.
1668 (output_deps): New function, broken out of cpp_finish.
1669 (cpp_finish): Break out output_deps.
1671 2001-01-07 Richard Henderson <rth@redhat.com>
1673 * collect2.c (COFF specific stuff): Revert 12-06 patch
1674 to prototype system functions.
1676 2001-01-07 Michael Hayes <mhayes@redhat.com>
1678 * hard-reg-set.h: Add multiple include guard.
1679 * basic-block.h (struct loop): Add `sink' field.
1680 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1681 (emit_iv_add_mult): Delete.
1682 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1683 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1684 (unroll_loop): Remove end_insert_before argument.
1685 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1686 (maybe_eliminate_biv_1): Likewise.
1687 (emit_iv_add_mult): Delete.
1688 (gen_add_mult, loop_regs_update): New.
1689 (loop_insn_emit_after, loop_insn_emit_before): New.
1690 (loop_insn_sink, loop_insn_sink_or_swim): New.
1691 (emit_iv_add_mult): Delete.
1692 (scan_loop): Set loop->sink.
1693 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1694 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1695 (maybe_eliminate_biv_1): Likewise.
1696 (maybe_eliminate_biv_1): Add basic block argument.
1697 * unroll.c (unroll_loop): Remove end_insert_before argument.
1698 (find_splittable_regs): Likewise.
1699 (find_splittable_regs): Use loop_insn_sink and its ilk.
1700 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1702 2001-01-07 Michael Hayes <mhayes@redhat.com>
1704 * loop.h (loop_insn_hoist): New prototype.
1705 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1706 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1707 (check_dbra_loop, load_mems): Likewise.
1708 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1709 (find_splittable_givs): Likewise.
1711 2001-01-07 Michael Hayes <mhayes@redhat.com>
1713 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1715 2001-01-07 Richard Henderson <rth@redhat.com>
1717 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1719 2001-01-07 Richard Henderson <rth@redhat.com>
1721 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1722 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1723 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1724 variant that handles a shared libgcc.
1725 (process_command): Always validate -{static,shared}-libgcc.
1726 (do_spec_1): New 'M' case.
1727 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1729 2001-01-07 Richard Henderson <rth@redhat.com>
1731 * Makefile.in (slibdir): New variable.
1732 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1733 (installdirs): Create slibdir.
1734 (install-libgcc, install-multilib): Defer to libgcc.mk.
1735 * configure.in (slibdir): Substitute.
1736 * mklibgcc.in (install): New target.
1738 * config/t-linux (SHLIB_LINK): Create links for the soname.
1739 (SHLIB_INSTALL): New.
1740 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1741 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1742 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1743 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1744 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1746 2001-01-07 Richard Henderson <rth@redhat.com>
1748 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1749 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1750 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1752 2001-01-07 Michael Hayes <mhayes@redhat.com>
1754 * loop.c (count_loop_regs_set): Delete.
1755 (load_mems_and_recount_loop_regs_set): Delete.
1756 (loop_regs_scan): Merge common code from count_loop_regs_set,
1757 scan_loop, and load_mems_and_recount_loop_regs_set.
1758 (scan_loop): Call load_mems directly and loop_regs_scan
1759 again if new registers created.
1761 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1763 * toplev.c (main): Call the front-end specific post_options
1764 hook if one is given.
1765 * toplev.h (struct_lang_hooks, lang_hooks): New.
1766 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1767 for the C front end.
1768 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1769 lang_hooks for the C++ front end.
1770 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1771 lang_hooks for the ObjC front end.
1772 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1773 * java/lang.c (lang_hooks): Hooks for the Java front end.
1775 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1777 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1778 for verbose DWARF[2] debugging.
1779 (cb_define, cb_undef): The new callbacks.
1780 * toplev.h (debug_define, debug_undef): Make const correct.
1781 * toplev.c (debug_define, debug_undef): Similarly. Do not
1782 perform the verbosity tests here anymore.
1784 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1786 * reload.c (subst_reloads): Take INSN argument. When
1787 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1788 * reload.h (subst_reloads): Adjust prototype.
1789 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1790 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1791 present in JUMP_INSNs and copy them to JUMP_LABEL.
1792 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1793 JUMP_INSNs and insns with REG_LABELs that are followed by
1794 JUMP_INSNs with the same REG_LABEL.
1795 * sched-rgn.c (is_cfg_nonregular): Likewise.
1796 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1797 note is available.
1798 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1799 JUMP_INSNs too.
1800 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1802 2001-01-06 Richard Henderson <rth@redhat.com>
1804 * loop.c (scan_loop): Use xcalloc for the regs array.
1805 (load_mems_and_recount_loop_regs_set): Zero the new memory
1806 received from xrealloc.
1808 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1810 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1812 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1814 * integrate.c (copy_rtx_and_substitute): When copying
1815 an ignored return value, strip REG_FUNCTION_VALUE_P.
1817 2001-01-06 Michael Hayes <mhayes@redhat.com>
1819 * loop.c (debug_biv, debug_giv): New.
1820 (loop_biv_dump): Break out from ...
1821 (record_biv): ... here.
1822 (loop_giv_dump): Break out from ...
1823 (record_giv): ... here.
1824 (loop_bivs_check): Use print_simple_rtl.
1825 * unroll.c (loop_iterations): Use print_simple_rtl.
1827 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1829 * pa.md (return, return_internal): Modify patterns to prevent regrename
1830 mucking with the return pointer.
1832 2001-01-05 Richard Henderson <rth@redhat.com>
1834 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1836 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1838 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1839 version supplied by Matteo Frigo.
1841 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1843 * cpp.texi: Update for -MQ.
1844 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1845 (cpp_cleanup): Always free pfile->deps.
1846 (initialize_dependency_output): Don't create pfile->deps.
1847 (cpp_handle_option): Similarly.
1848 (OPT_MQ): New.
1849 * gcc.c (cpp_options): Handle -MQ.
1850 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1851 * mkdeps.c (base_name): Remove.
1852 (deps_init): Don't allocate vector space until it's needed.
1853 (deps_free): Only free vectors if allocated.
1854 (deps_add_target, deps_add_dep): Update for initial allocation.
1855 (deps_add_default_target): Don't strip to the base_name.
1857 2001-01-05 DJ Delorie <dj@redhat.com>
1859 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1860 (INIT_EXPANDERS): Define.
1862 * config/v850/v850.c (struct machine_function): Define.
1863 (v850_save_machine_status): New function.
1864 (v850_restore_machine_status): New function.
1865 (v850_return_addr): New function.
1866 (v850_init_expanders): New function.
1868 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1869 and v850_init_expanders.
1871 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1873 * cpplib.h (struct cpp_reader): Add help_only field.
1874 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1875 (cpp_handle_option): Set pfile->help_only if we see -h,
1876 --help, -target-help, or --version. Print version string but
1877 do not set help_only if we see -v or -version. Make text
1878 printed by -v match that printed by (-)-version.
1880 * cppmain.c (main): Exit after option parsing if
1881 pfile->help_only is true.
1883 * toplev.c (independent_decode_option): Call print_version,
1884 then exit, if we see --version (but not -version).
1885 (print_version): Split lengthy message into two lines.
1887 2001-01-05 Nick Clifton <nickc@redhat.com>
1889 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1890 temporary string for initialisation before calling ggc_alloc_string.
1892 2001-01-06 Michael Hayes <mhayes@redhat.com>
1894 * rtl.h (print_simple_rtl): New.
1895 * print-rtl.c (print_simple_rtl): New.
1896 (flag_simple): New.
1897 (print_rtx): Disable printing of flags and modes, etc.,
1898 if `flag_simple` nonzero.
1900 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1902 * function.c (fixup_var_refs): Use push_to_full_sequence where
1903 possible.
1905 2001-01-05 Michael Meissner <meissner@redhat.com>
1907 * flags.h (flag_reorder_blocks): Add declaration.
1908 (flag_rename_block): Ditto.
1910 2001-01-05 DJ Delorie <dj@redhat.com>
1912 * function.c (reorder_blocks): Make sure the flags are all reset
1913 before using them to mark blocks, else a second invocation will
1914 corrupt the block chain.
1915 (reorder_blocks_0): New, resets the flags.
1917 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
1919 * cse.c (find_comparison_args): Stop if the argument is known to
1920 be constant.
1922 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
1924 * config/sh/sh.md (movdf): When splitting load into pair of
1925 registers, don't clobber the register used in the address too
1926 early.
1928 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
1930 * varasm.c (mark_constant_pool): Improve initial comments.
1931 (mark_constants): Move marking of constants to mark_constant.
1932 (mark_constant): New function to recursively mark all constants
1933 referred to by a constant.
1935 2001-01-05 Catherine Moore <clm@redhat.com>
1937 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
1939 2001-01-05 Phil Edwards <pme@sources.redhat.com>
1941 * cp/lang-options.h: Bring comment in line with reality.
1942 * f/lang-options.h: Likewise.
1943 * java/lang-options.h: Likewise.
1944 * objc/lang-options.h: Likewise.
1945 * ch/lang-options.h: Likewise.
1946 * f/g77.texi: And update the manual.
1948 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
1949 Denis Chertykov <denisc@overta.ru>
1951 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
1952 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
1953 * config/avr/avr.md (all peepholes that request a scratch register):
1954 Call it, FAIL the peephole if not safe (in interrupt functions).
1956 2001-01-05 Mark Mitchell <mark@codesourcery.com>
1958 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
1960 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
1962 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
1963 Define.
1964 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
1965 BUILT_IN_CREAL and BUILT_IN_CIMAG.
1966 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
1967 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
1968 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
1969 BUILT_IN_CIMAG.
1970 * extend.texi: Document these builtins.
1972 2001-01-05 Daniel Berlin <dberlin@redhat.com>
1974 * c-common.c (lang_get_alias_set): Say we know nothing of
1975 VECTOR_TYPE aliasing.
1977 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
1979 2001-01-05 Bruce Korb <bkorb@gnu.org>
1981 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
1982 their x* equivalent versions for atexit-less systems
1983 * fixinc/fixincl.c(main): do not return from main() on atexit-less
1984 systems (or any other system any more).
1986 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
1988 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
1989 output operands. Use arm_hard_register_operand for operand 4.
1990 (stmsi_postinc): Similarly.
1991 (ldmsi): Use arm_hard_register_operand for opernand 2.
1992 (stmsi): Similarly.
1993 * arm.c (arm_hard_register_operand): New function.
1994 * arm-protos.h (arm_hard_register_operand): Prototype it.
1996 * arm.h (HARD_REGNO_RENAME_OK): Define.
1998 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2000 * simplify-rtx.c (cfc_args): add "unordered" field.
2001 (check_fold_consts): Set unordered field.
2002 (simplify_relational_operation): Simplify the unordered
2003 comparisons.
2005 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2006 is valid.
2008 * emit-rtl.c (try_split): Fix code to mark labels.
2009 * jump.c (mark_jump_label): Make global.
2010 * rtl.h (mark_jump_label): Declare.
2012 * predict.c (estimate_probability): Handle unordred comparisons.
2014 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2016 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2017 * cppinit.c (initialize_dependency_output): Update.
2018 (cpp_finish): Output dummy targets for -MP.
2019 (OPT_MP): New.
2020 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2021 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2022 * gcc.c (cpp_options): Update to handle -MP.
2023 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2024 to quote only the default target.
2025 (deps_phony_targets): Insert a preceding newline. Rename from
2026 deps_dummy_targets for consistency.
2027 * mkdeps.h: Update
2029 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2031 * calls.c (emit_library_call_value_1): Support
2032 INIT_CUMULATIVE_LIBCALL_ARGS.
2033 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2035 2001-01-04 Richard Henderson <rth@redhat.com>
2037 * c-decl.c (finish_struct): Detect flexible array members
2038 used in an inappropriate context.
2039 * c-typeck.c (really_start_incremental_init): Special case
2040 constructor_max_index for zero length arrays.
2041 (pop_init_level): Allow initialization of flexible array
2042 members. Deprecate initialization of zero length arrays.
2043 Don't issue missing initializer warning for flexible array
2044 members or zero length arrays.
2045 (process_init_element): Don't dereference null DECL_SIZE.
2046 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2047 Don't abort for empty constructors. Use size_binop
2048 (output_constructor): Add commentary regarding zero length
2049 array futures. Abort if we try to initialize an array of
2050 unspecified length with a non-empty constructor in the middle
2051 of a structure.
2053 * extend.texi (Zero Length): Update and clarify documentation
2054 on static initialization.
2056 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2058 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2059 with more than 32767 words of local storage.
2061 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2063 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2064 for 'abs', 'labs', and 'fabs'.
2065 (c4x_expand_builtin): Likewise.
2066 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2068 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2070 * config/sh/sh.md (prget, prset): New insn types.
2071 (return delay slot): Dont' allow prset.
2072 (call, sfunc delay slot): Don't allow prget.
2073 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2074 for prset and prget.
2076 2001-01-05 Michael Hayes <mhayes@redhat.com>
2078 * loop.h (struct loop_reg): New.
2079 (struct loop_regs): Change to use array of `struct loop_reg'.
2080 * loop.c: Replace assortment of varrays with single regs array.
2081 (count_one_set): Delete may_not_move array argument
2082 and use regs array instead. All caller's changed.
2083 (count_loop_regs_set): Delete may_not_move and single_usage
2084 arguments and use regs array instead. All caller's changed.
2085 (find_single_use_in_loop): Replace usage array argument with pointer
2086 to regs structure. All caller's changed.
2087 (loop_optimize): Delete `moved_once' array.
2089 2001-01-05 Michael Hayes <mhayes@redhat.com>
2091 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2092 Use it instead of loop_info->has_call for scanning loop mems.
2093 (check_dbra_loop): Replace loop_info->has_call test with
2094 loop_info->has_nonconst_call.
2096 2000-01-04 Matthew Hiller <hiller@redhat.com>
2098 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2099 for TARGET_SH3E.
2101 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2103 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2104 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2106 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2108 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2109 (flag_short_double, flag_short_wchar): Define.
2110 (c_common_nodes_and_builtins): Create many tree nodes shared
2111 between C and C++ here instead of in cp/decl.c and ...
2112 * c-decl.c (init_decl_processing): ... here.
2113 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2114 (flag_short_double, flag_short_wchar): Don't define.
2115 (record_builtin_type): New function.
2116 (build_void_list_node): New function.
2117 * c-common.h (flag_short_double, flag_short_wchar,
2118 record_builtin_type, build_void_list_node): Declare.
2120 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2122 * integrate.c (expand_inline_function): Don't put a virtual
2123 register into the reg map.
2125 * function.c (fixup_var_refs_1): If force_operand didn't put
2126 the address into the target, move it there.
2128 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2130 Special-case tree_decl/tree_list allocations.
2131 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2132 (OBJECT_SIZE): New macro.
2133 (NUM_EXTRA_ORDER): Likewise.
2134 (extra_order_size_table): New variable.
2135 (NUM_ORDERS): New macro.
2136 (objects_per_page_table): New variable.
2137 (object_size_table): New variable.
2138 (G.pages): Use NUM_ORDERS to bound the array.
2139 (G.page_tails): Likewise.
2140 (DIV_ROUND_UP): Remove.
2141 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2142 (alloc_page): Use OBJECT_SIZE.
2143 (size_lookup): Don't make it const.
2144 (ggc_alloc): Use OBJECT_SIZE.
2145 (ggc_set_mark): Likewise.
2146 (ggc_get_size): Likewise.
2147 (init_ggc): Set up the object_size_table, objects_per_page_table,
2148 and adjust size_lookup.
2149 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2150 (ggc_pop_context): Use NUM_ORDERS.
2151 (clear_marks): Likewise.
2152 (sweep_pages): Likewise.
2153 (poison_pages): Likewise.
2154 (ggc_print_statistics): Use OBJECT_SIZE.
2156 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2158 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2159 Only call array_size_for_constructor if last field and array type
2160 with no upper bound.
2162 2001-01-04 Philip Blundell <philb@gnu.org>
2164 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2165 from bit 31 downwards, if this requires no more insns.
2166 (count_insns_for_constant): New helper function for above.
2168 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2170 * gencodes.c (output_predicate_decls): Remove empty initializer.
2172 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2174 * tree.c (copy_node): Remove documentation about obstacks.
2175 (buidl1): Check that nobody tries to build 2-argument nodes this
2176 way.
2178 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2180 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2181 fp_high_losum_p.
2183 * gencodes.c (output_predicate_decls): Fill empty initializer
2184 braces.
2186 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2188 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2189 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2190 or -MM.
2191 (do_include): Handle missing headers like cpp0.
2192 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2193 paths with first include pathname. Don't strcat to uninitialized
2194 string.
2196 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2198 * regrename.c (regrename_optimize): Don't rename from frame pointer
2199 if frame_pointer_needed.
2200 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2201 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2202 (ia64_reorg): Use it instead of scheduling if ! optimize.
2203 (errata_emit_nops): Properly call asm_noperands.
2204 (ia64_sched_reorder): Finish cycle if we see an asm.
2205 (ia64_variable_issue): Clear scheduling state after asms.
2207 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2209 * cpp.texi: Update for -MT.
2210 * cppinit.c (initialize_dependency_output): Add a default
2211 target if none has been given already.
2212 (no_tgt, OPT_MT): New.
2213 (cpp_handle_option): Handle -MT. Update -M etc.
2214 * cpplib.h (struct cpp_options): Remove deps_target.
2215 * gcc.c (cpp_options): Handle -MT.
2216 * mkdeps.c (struct deps): Move from mkdeps.h.
2217 (deps_calc_target): Rename deps_add_default_target. Add a
2218 default target if none has been specified already.
2219 * mkdeps.h (struct deps): Move to mkdeps.c.
2220 (deps_calc_target): Rename deps_add_default_target.
2222 2000-01-03 Richard Henderson <rth@redhat.com>
2224 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2225 Remove dead code.
2226 * c-typeck.c (push_init_level): Move checks for flexible array
2227 members and zero length arrays ...
2228 (pop_init_level): ... here. Silently discard empty initializations.
2229 Remove dead code.
2230 * varasm.c (output_constructor): Update for sizeof change to
2231 zero-length arrays.
2233 * extend.texi (Zero Length): Clarify semantics.
2235 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2237 * configure.in (tm.h): Include isns-codes.h last.
2238 * configure: Rebuilt.
2240 2001-01-03 Richard Henderson <rth@redhat.com>
2242 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2243 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2245 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2247 * tradcpp.c (main): Make sure finclude() is called with a valid
2248 indepth value while handling -include.
2250 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2252 * gencodes.c (output_predicate_decls): New function.
2253 (main): Call it.
2254 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2255 even if it is not the first time machmode.h is #included.
2256 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2257 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2258 * gcc.texi (Copyright): Added 2001.
2260 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2262 * c-common.c (c_common_lang_init): New function. Warn if format
2263 warning options which only have effects when used with -Wformat
2264 are used without -Wformat.
2265 * c-common.h (c_common_lang_init): Declare.
2266 * c-lang.c (lang_init): Call c_common_lang_init.
2267 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2269 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2271 * configure.in: Check for the mktemp command.
2272 * configure: Regenerate.
2273 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2274 $TEMP. Create temporary files with mktemp, if available at
2275 configure time; otherwise use set -C. Remove temporary files
2276 before exit.
2278 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2280 * configure.in: Require at least texinfo 4.0. Check for whether
2281 Pod::Man is sufficiently recent to regenerate GCC manpages.
2282 * configure: Regenerate.
2283 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2284 on #!.
2285 (GENERATED_MANPAGES): Define.
2286 (generated-manpages): New target. Depend on cpp.1 as well as
2287 gcov.1.
2288 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2289 configure to generated-manpages or empty) rather than on the
2290 manpages directly. Remove execute permission from installed
2291 gcov.1 as well as cpp.1.
2292 * cpp.1, gcov.1: Regenerate.
2294 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2296 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2297 tree_low_cst. Allow using cmpstrsi in more cases.
2299 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2301 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2302 sized types.
2304 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2306 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2307 * Makefile.in (HOST_CFLAGS): Mention build-make.
2309 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2311 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2312 as JUMP_INSN.
2314 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2316 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2317 a REG rtx.
2319 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2320 callers changed.
2322 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2323 reg_base_value and reg_known_value arrays.
2324 (init_alias_analysis): Add more cases to detect known values.
2325 * sched-deps.c (deps_may_trap_p): New function.
2326 (sched_analyze_2): Use it.
2328 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2330 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2331 don't discard an ASHIFTRT if we're shifting in a wider mode.
2333 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2335 * toplev.c (rest_of_compilation): Don't print basic block information
2336 when CFG isn't up to date.
2338 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2340 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2341 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2342 (UNALIGNED_SHORT_ASM_OP): Define.
2343 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2345 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2347 * fold-const.c (fold_convert): Fix typo.
2349 2001-01-02 Richard Henderson <rth@redhat.com>
2351 * c-common.h (ASM_INPUT_P): New.
2352 * c-parse.in (asm): Set it when needed.
2353 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2354 existance of an operand.
2356 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2358 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2359 (dwarf2out_frame_debug_expr): Likewise.
2360 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2362 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2364 * i386.c (ix86_split_to_parts): Return number of part required;
2365 handle TFmodes.
2366 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2367 TFmodes.
2368 (ix86_split_long_move): Use number of part returned
2369 by ix86_split_to_parts
2370 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2371 New macros.
2372 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2373 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2374 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2375 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2376 (ALIGN_MODE_128): Add TFmode.
2377 (IS_STACK_MODE): Likewise.
2378 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2379 (HARD_REGNO_OK): Support TFmodes.
2380 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2381 * i386.md (scheduler definitions): Use memory operand to determine
2382 fst/fld instructions; use mode attribute to determine real mode of
2383 the instruction.
2384 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2385 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2387 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2389 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2391 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2393 * expr.c (store_constructor_field): Update ALIGN before calling
2394 store_constructor.
2396 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2398 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2399 host_integerp.
2401 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2403 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2404 incomplete type.
2406 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2408 * c-decl.c (start_function): Don't warn on third parameter to main.
2410 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2412 * tsystem.h: Define HAVE_DECL_GETOPT.
2414 2001-01-02 Philip Blundell <pb@futuretv.com>
2416 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2417 of input operand.
2419 2001-01-02 Richard Henderson <rth@redhat.com>
2421 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2423 2001-01-02 Andreas Jaeger <aj@suse.de>
2425 * c-decl.c (c_decode_option): Remove support of
2426 -Wmissing-noreturn.
2428 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2429 (W_options): Add -Wmissing-noreturn here.
2431 * flow.c: Define lang_missing_noreturn_ok_p.
2432 (check_function_return_warnings): Use it.
2434 * c-common.h: Declare lang_missing_noreturn_ok_p.
2436 * c-lang.c (c_missing_noreturn_ok_p): New function.
2437 (lang_init): Set lang_missing_noreturn_ok_p.
2439 * invoke.texi (Warning Options): Document this.
2441 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2443 * extend.texi (C++ Extensions): New node for C++ attributes;
2444 describe init_priority and com_interface.
2445 * invoke.texi: Remove -finit-priority as it now has zero effect.
2446 * install.texi: Fix xref syntax.
2447 * md.texi: Likewise.
2449 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2451 * config.gcc (sparc64-wrs-vxworks*): New case.
2452 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2454 * config/sparc/sparc.c (sparc_override_options): Do support different
2455 pointer and architecture size.
2456 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2457 (POINTERS_EXTEND_UNSIGNED): Define.
2458 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2459 (FUNCTION_MODE): Define to be Pmode.
2460 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2462 * function.c (expand_function_end): Properly handle DECL_RESULT
2463 and copy when ptr_mode != Pmode.
2464 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2466 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2468 * c-common.c (c_common_nodes_and_builtins): Set prototype
2469 parameters for __builtin_fputs, __builtin_fputc and
2470 __builtin_fwrite. Don't declare plain fputc as a builtin.
2472 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2474 * loop.c (add_label_notes): Increment the label usage count when
2475 a note is added to an insn which refers to a CODE_LABEL.
2476 * gcse.c (add_label_notes): Likewise.
2478 2001-01-01 Andreas Jaeger <aj@suse.de>
2480 * loop.c (scan_loop): Use xmalloc to allocate movables.
2482 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2484 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2485 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2486 * reload1.c (REGISTER_MOVE_COST): Likewise.
2487 * regclass.c (REGISTER_MOVE_COST): Likewise.
2488 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2489 dimension. Adjust all users.
2490 (init_reg_sets_1): Iterate on all modes.
2491 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2492 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2493 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2494 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2495 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2496 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2497 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2498 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2499 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2500 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2501 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2502 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2503 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2504 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2505 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2506 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2507 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2508 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2509 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2510 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2511 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2512 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2513 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2514 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2515 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2516 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2517 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2519 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2521 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2522 arg VARIES_P. Call it with extra arg.
2523 (true_dependence): Likewise.
2524 * rtl.h (rtx_addr_can_trap_p): Declare.
2525 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2526 prototypes.
2527 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2528 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2529 pic offset table register if it's zero. All callers changed.
2530 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2532 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2534 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2535 STRING_POOL_ADDRESS_P.
2537 * config/sparc/sparc.c (input_operand): Properly test for short op.
2539 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2540 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2541 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2542 * config/sparc/elf.h: No longer include sol2.h.
2543 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2544 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2546 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2548 2001-01-01 Michael Hayes <mhayes@redhat.com>
2550 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2551 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2552 (record_initial): Likewise.
2553 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2554 (remap_split_bivs): Likewise.
2556 2001-01-01 Michael Hayes <mhayes@redhat.com>
2558 * loop.c (loop_ivs_free): New function.
2559 (strength_reduce): Break out from...
2561 2001-01-01 Michael Hayes <mhayes@redhat.com>
2563 * loop.h (struct iv): New.
2564 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2565 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2566 'reg_biv_class' fields with 'regs' and 'n_regs'.
2567 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2568 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2569 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2571 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2573 * resource.c (mark_referenced_resources): Abort() before
2574 attempting to mark a pseudo register.
2575 (mark_set_resources): Likewise.
2577 2001-01-01 Michael Hayes <mhayes@redhat.com>
2579 * loop.h (REG_IV_CLASS): New accessor macro.
2580 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2581 * unroll.c (REG_IV_CLASS): Likewise.
2583 See ChangeLog.4 for earlier changes.