1 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4 * collect2.c (main): Delete importf. Add ".obj" file extension.
5 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6 (aix_std_libs): Add additional AIX libraries to skip.
7 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8 * config/rs6000/aix51.h: New file.
10 2001-01-25 Michael Hayes <mhayes@redhat.com>
12 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
13 (loop_insn_emit_before): No longer static.
14 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
15 (loop_givs_rescan, load_mems): Likewise.
16 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
17 (maybe_eliminate_biv_1):
18 (move_movables): Replace emit_call_insn_before with
20 * loop.h (loop_insn_emit_before): Add.
21 * unroll.c (copy_loop_body): Replace emit_insn_before with
22 loop_insn_emit_before.
24 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
26 * diagnostic.c (fatal): Request preprocessed source.
28 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
30 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
31 olddecl has argument types and newdecl has none, use the argument
34 2001-01-24 Ulrich Drepper <drepper@redhat.com>
36 * dwarf2out.c (prefix_of): New function. Determine longest common
37 prefix of the two arguments. The units are whole path components.
38 (output_file_names): When adding a new directory find the one entry
39 with the longest common prefix already in the list. Artificially
40 generate entry if there is none for this prefix.
41 Fix test to check whether the zeroth directory entry is used.
43 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
45 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
46 Changed all callers. Take it into account when deciding if a
47 previously loaded value matches.
49 2001-01-24 Richard Henderson <rth@redhat.com>
51 * reload.c (find_reloads_subreg_address): Fail the substitution
52 if the resulting address is insufficiently aligned.
54 2001-01-24 DJ Delorie <dj@redhat.com>
56 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
57 check the original operand's mode also.
58 * simplify-rtx.c (simplify_ternary_operation): Ditto.
60 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
62 * c-parse.in (cast_expr): Move compound literals from here ...
63 (primary): ... to here. Use standard terminology "compound
64 literal" instead of "constructor expression".
66 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
68 * gcc.1, cpp.1: Regenerate.
70 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
72 * calls.c (emit_library_call_value_1): Memory slot for
73 pass-by-reference argument should have the mode of the argument,
74 not of the pointer to it.
76 2001-01-24 Tom Tromey <tromey@redhat.com>
78 * gcc.texi (G++ and GCC): Mention gcj manual.
79 (Standards): Link to section of manual mentioning gcj/Java
82 2001-01-24 Jakub Jelinek <jakub@redhat.com>
84 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
85 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
86 * tradcpp.c (main): Add -imacros or -include'd dependencies
88 * cpp.texi (-M, -MM): Document -M -include behaviour.
90 2001-01-24 Roger Collins <roger@ProProject.com>
92 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
94 2001-01-24 Will Cohen <wcohen@redhat.com>
96 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
97 whether registers are 32 bits or 64 bits in size.
99 2001-01-24 Ben Elliston <bje@redhat.com>
101 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
103 2001-01-24 Richard Henderson <rth@redhat.com>
105 * config/alpha/alpha.md (builtin_longjmp_internal): New.
106 (builtin_longjmp): Use it instead of emit_indirect_jump.
108 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
110 * bb-reorder.c (make_reorder_chain_1): Handle case where
111 jump edge goes to the same block as the fallthru edge.
113 2001-01-23 Jim Wilson <wilson@redhat.com>
115 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
116 * frame.h (__ia64_personality_v1): Add prototype.
117 * libgcc2.c (ia64_throw_helper): Change personality declaration to
118 prototype form. Add void * cast to first argument to personality
120 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
121 (asctoe113): Likewise.
122 * config/ia64/frame-ia64.c: Include eh-common.h.
123 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
125 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
127 (itanium_split_issue): Add prototype.
128 (gen_nop_type): Ifdef out.
129 (find_best_packet): Initialize best_packet.
130 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
132 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
133 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
134 (flushrs): Add explicit stop bit at end.
135 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
138 2001-01-23 Chris Demetriou <cgd@broadcom.com>
140 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
142 * libgcc2.c (__terminate_func): Make variable static.
143 (__terminate_set_func): New function to set __terminate_func.
144 * libgcc2.h (__terminate_func_ptr): New typedef.
145 (__terminate_set_func): New function.
147 2001-01-23 Richard Henderson <rth@redhat.com>
149 * flow.c (init_propagate_block_info): Don't consider unchanging
150 memories for dead frame store elimination.
152 2001-01-23 Richard Henderson <rth@redhat.com>
154 * varasm.c (UNIQUE_SECTION): Move default implementation ...
155 * defaults.h: ... here.
157 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
159 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
161 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
163 * c-lex.c (lex_charconst): Fix typo: s/p/str.
165 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
167 * rs6000.h (rs6000_return_addr): Move prototype from here...
168 * rs6000-protos.h (rs6000_return_addr): ...to here.
169 (rs6000_init_expanders): Delete prototype.
171 2001-01-23 Nick Clifton <nickc@redhat.com>
173 * invoke.texi: Replace , with \, inside @gccoptlist macros.
174 (Spec Files): Document %B and %j and %. and %v3 and %M and
175 %{S*&T} spec switches.
177 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
179 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
181 2001-01-23 Chris Demetriou <cgd@sibyte.com>
182 Neil Booth <neil@daikokuya.demon.co.uk>
184 * cpperror.c: Merge handlers of PEDWARN and WARNING.
185 Have -Werror make pedantic warnings errors, like the
188 2001-01-23 Phil Edwards <pme@sources.redhat.com>
190 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
192 2001-01-23 Jakub Jelinek <jakub@redhat.com>
194 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
195 * integrate.c (expand_inline_function): Initialize them.
196 (subst_constants): If changing COMPARE so that both its arguments
197 will be VOIDmode and the comparison mode will be lost, note
198 compare_mode. Use the recorded compare_mode to optimize
201 2001-01-23 Jason Merrill <jason@redhat.com>
203 * dwarf2out.c (new_die): Use xcalloc.
204 (output_die): Abort rather than emit a local reference to offset 0.
206 2001-01-17 Andrew Haley <aph@redhat.com>
208 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
209 of a saved register; return NULL instead.
210 (copy_reg): Take a pointer to a source register rather than a
212 (next_stack_level): Remember the address in the stack frame of all
214 Use the saved register pointer array as the source of the CFA.
215 (throw_helper): Rewrite. Unwind once rather than twice and keep
216 track of saved registers as we go.
218 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
220 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
221 * c4x.c (c4x_legitimize_reload_address): Remove.
222 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
223 reload address for ldp(k) insn.
225 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
227 * pa.md (return_internal): Add a USE of the PIC register to ensure
228 it is restored after each call.
229 (return expander): Corresponding changes.
231 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
233 * rs6000.h (INIT_EXPANDERS): Delete.
234 (RETURN_ADDR_RTX): Call rs6000_return_addr().
235 * rs6000.c (rs6000_override_options): Call *_machine_status from
237 (rs6000_init_expanders): ...instead of here. Delete.
238 (rs6000_mark_machine_status): New function.
239 (rs6000_init_machine_status): Use xcalloc.
240 (rs6000_return_addr): Generate RTX for the return address.
241 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
242 (rs6000_stack_info): Use it.
244 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
246 * gthr-win32.h: Include errno.h to get a declaration for
247 EINVAL and _mingw.h if the target is mingw32.
249 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
251 * cpp.texi: Correct typos.
253 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
255 * explow.c (probe_stack_range): Ensure value passed to
256 stack_check_libfunc is ptr_mode, not Pmode.
258 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
260 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
261 case, don't use operand_subword to calculate a SUBREG that is
264 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
266 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
268 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
269 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
270 valid. If not replace it by equivalent insns.
272 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
274 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
275 contains SYMBOL_REF, LABEL_REF and CONST_INT.
276 (c4x_U_constraint, symbolic_address_operand): Likewise.
277 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
279 (c4x_r11_set_p, c4x_check_laj_p): New functions.
280 * c4x-protos.h (c4x_check_laj_p): Add prototype.
281 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
282 anulling slot because of silicon bug.
283 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
285 2001-01-22 Alan Modra <alan@linuxcare.com.au>
287 * cppexp.c (parse_charconst): Change `mask' type to agree
290 2001-01-21 Richard Henderson <rth@redhat.com>
292 * config/i386/i386.c (ix86_asm_file_end): Disable putting
293 pic_label_name in a linkonce section.
295 2001-01-17 Philipp Thomas <pthomas@suse.de>
297 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
299 * configure: Regenerate.
301 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
303 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
304 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
306 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
308 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
309 If REVERSE nonzero then condition code in X must be reversed.
310 (encode_section_info): Optimise if/else.
311 (avr_function_value): Fix formatting.
313 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
314 (difficult_branch): Likewise.
315 (rvbranch): Likewise.
316 (difficult_rvbranch): Likewise.
318 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
320 * config/avr/libgcc.S: Fix comment.
322 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
324 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
326 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
328 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
330 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
332 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
333 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
334 * configure, config.in: Regenerate.
335 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
336 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
337 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
338 (doprint.o): New rule.
340 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
342 * c-typeck.c (digest_init): Handle boolean types as scalars.
344 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
346 * stmt.c (expand_return): Don't return anything if size is zero.
347 Delete redundant assignment to BYTES.
348 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
350 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
352 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
353 the same as the default library function names.
354 * config/avr/avr.md: Document special characters after '%'.
355 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
356 knowing which of the call-used registers are really clobbered.
357 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
358 New. Both quotient and remainder from one libgcc.S call.
359 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
360 clobber as few registers as possible.
361 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
363 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
365 * cppmacro.c (funlike_invocation_p): Don't move back up to the
366 context of the top of the stack.
368 2001-01-20 Jakub Jelinek <jakub@redhat.com>
370 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
371 (fixup_var_refs_insns): ...here.
373 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
375 * function.c (fixup_var_refs_insns): Break up into
376 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
377 [loop over entire insn list], and fixup_var_refs_insns_with_hash
378 [loop over hash table entries].
379 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
380 fixup_var_refs_insns_with_hash, to match above changes.
382 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
384 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
385 (libgcc.a): Likewise.
386 (stmp-multilib): Likewise.
387 (STAGE2_FLAGS_TO_PASS): Likewise.
389 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
391 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
392 temporary if no_new_pseudos.
394 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
396 * cppinternals.texi: Update.
398 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
400 * arm.c (arm_init_builtins): Re-enable builtins.
402 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
404 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
405 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
406 element to be null, and always expect an EXPR_LIST.
407 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
408 * sched-deps.c (sched_analyze_1): Likewise.
409 * sched-rgn.c (check_live_1, update_live_1): Likewise.
411 * regclass.c (max_set_parallel): New variable.
412 (reg_scan): Take it into account in computation of max_parallel.
413 (reg_scan_mark_refs, case SET): Compute it.
415 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
417 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
418 * function.c (assign_parms): Use INTVAL for a CONST_INT.
420 2001-01-19 Jason Merrill <jason@redhat.com>
422 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
423 for the abstract instance of an inline function.
425 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
426 J"orn Rennecke <amylaar@redhat.com>
428 * reload1.c (move2add_note_store): Treat all registers directly or
429 indirectly derived from a base register as members of the same set
431 (reload_cse_move2add): Adjust accordingly. Take mode and offset
432 of base register into account.
434 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
436 * alias.c (find_base_value): Recognize TRUNCATE.
437 (record_set): In PLUS case, invalidate if other summand is also a
440 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
442 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
443 entry to be EXPR_LIST.
444 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
445 be an EXPR_LIST (but not null, which other code doesn't allow).
446 (note_stores): Properly handle PARALLEL in SET.
447 Recursively call for top-level PARALLEL.
448 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
449 * sched-rgn.c (check_live_1, update_live_1): Likewise.
451 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
453 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
455 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
456 not pfile->skipping (== 0).
458 2001-01-17 Nick Clifton <nickc@redhat.com>
460 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
463 2001-01-17 Jim Wilson <wilson@redhat.com>
465 * invoke.texi (IA-64 options): Improve.
467 2001-01-17 Tom Tromey <tromey@redhat.com>
469 * invoke.texi (Optimize Options): Use `{}' to around @samp
472 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
474 * invoke.texi (-fno-guess-branch-probability): New option.
476 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
478 * combine.c (try_combine): Don't set i3_subst_into_i2 for
479 case of making new double-word constant.
480 Revert last change: instead just test i3_subst_into_i2.
482 2001-01-17 Jakub Jelinek <jakub@redhat.com>
484 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
485 Use q constraints instead of r.
487 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
489 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
490 (machine_function): Define.
491 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
492 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
493 pa_free_machine_status): New functions.
494 (override_options): Set {init,mark,free}_machine_status to above.
495 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
496 PIC_OFFSET_TABLE_REGNUM_SAVED.
497 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
498 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
499 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
500 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
501 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
503 2001-01-15 DJ Delorie <dj@redhat.com>
505 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
509 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
511 * flow.c (propagate_on_insn): Make trying to delete a prologue
512 or epilogue insn an ICE, not a warning. Allow doing this if
513 the current function returns with stack pointer depressed.
515 * combine.c (try_combine): If i3_subst_into_i2, properly check for
516 I3 having more than one SET.
518 2001-01-16 Jim Wilson <wilson@redhat.com>
520 * invoke.texi: Document IA-64 options.
522 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
523 (fixup_errata): Delete TARGET_A_STEP use.
524 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
525 (TARGET_SWITCHES): Delete -ma-step option.
526 * config/ia64/ia64.md (all FP patterns): Delete %B0.
527 (movqicc_astep, movqi_internal_astep, movhicc_astep,
528 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
529 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
530 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
531 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
533 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
534 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
535 cmovsi_internal): Delete ! TARGET_A_STEP check.
537 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
539 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
540 possibility to report bugs via postal mail. Change a URL and
541 merge in a nearly duplicate statement...
542 (Bug Reporting): ...from here.
543 (Service): Refer to the Bug Reporting section instead of
545 (Contributing): Remove trivial explanations concerning snapshots.
547 2001-01-16 Alan Modra <alan@linuxcare.com.au>
549 * cppmain.c (general_init): Don't use ANSI prototype.
551 2001-01-16 Tom Tromey <tromey@redhat.com>
553 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
555 2001-01-16 Richard Henderson <rth@redhat.com>
557 * config/i386/i386.h: Fix comment typo.
558 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
559 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
561 2001-01-16 Phil Edwards <pme@sources.redhat.com>
563 * gcc.c: Revert previous -fsyntax-only-related change; move
566 2001-01-16 Jakub Jelinek <jakub@redhat.com>
568 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
569 inmode after checking GET_CODE (op).
571 2001-01-16 Richard Henderson <rth@redhat.com>
573 * flow.c (struct propagate_block_info): Add mem_set_list_len.
574 (MAX_MEM_SET_LIST_LEN): New.
575 (propagate_one_insn): Update mem_set_list_len.
576 (invalidate_mems_from_autoinc): Likewise.
577 (invalidate_mems_from_set): Likewise.
578 (mark_used_regs): Likewise.
579 (init_propagate_block_info): Likewise. Stop collecting memories
580 when we reach MAX_MEM_SET_LIST_LEN.
581 (mark_set_1): Likewise.
583 2001-01-16 Richard Henderson <rth@redhat.com>
585 * unroll.c (precondition_loop_p): Fail if no iteration
588 2001-01-16 Phil Edwards <pme@sources.redhat.com>
590 * gcc.c: When -fsyntax-only is given, do not complain about
593 2001-01-15 Richard Henderson <rth@redhat.com>
595 * config/i386/i386.c (asm_output_function_prefix): Remove.
596 (ix86_asm_file_end): New.
597 (load_pic_register): Generate pic_label_name into a
598 staticly allocated buffer.
599 * config/i386/i386-protos.h: Update.
600 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
602 * config/i386/i386afe.h: New file.
603 * config.gcc (i?86-*-elf) [tm_file]: Use it.
604 (i?86-*-{freebsd,linux*,moss*}): Likewise.
605 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
606 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
607 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
608 * config/i386/sco5.h (ASM_FILE_END): Likewise.
609 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
611 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
613 * Makefile.in (install-man): Remove explicit dependency on
616 * configure.in, configure: Revert previous patch requiring perl
619 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
621 * toplev.c (flag_guess_branch_prob): New.
622 (f_options): Add guess-branch-probability option.
623 (rest_of_decl_compilation): Only estimate branch probability if
625 (main): set flag_guess_branch_prob.
627 * flags.h (flag_guess_branch_prob): New.
629 2001-01-15 DJ Delorie <dj@redhat.com>
631 * gcc.texi (Makefile): Add documentation for Makefile targets.
633 2001-01-15 Philip Blundell <philb@gnu.org>
635 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
637 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
638 (is_pic): Delete declaration.
639 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
640 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
641 * config/arm/arm.md (builtin_setjmp_receiver): New.
643 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
645 * arm.c (use_return_insn): Don't try to determine the function type
646 until after reload has completed.
647 (arm_output_epilogue): Don't adjust the sp value recovered from the
649 (emit_multi_reg_push): Don't record dwarf information for the pc.
650 * arm.md (eh_epilogue): The function type may have changed, so it
651 needs to be recalculated.
652 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
653 unwind tables on arm/netbsd.
655 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
657 * arm.md (cbranchsi4): Correct calculation of branch ranges.
658 (negated_cbranchsi4): Likewise.
660 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
662 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
663 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
664 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
665 pass -mapcs-* options to assembler.
666 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
667 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
668 (ASM_SPEC): Call subtarget_extra_asm_spec.
670 2001-01-15 Andreas Jaeger <aj@suse.de>
672 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
674 (ix86_expand_builtin): Likewise.
676 * gencodes.c (output_predicate_decls): Make i size_t to avoid
677 warning about comparison between signed and unsigned.
679 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
681 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
683 2001-01-14 Ralf Baechle <ralf@gnu.org>
685 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
686 SUBTARGET_CPP_SPEC apropriatly.
688 2001-01-12 Mark Mitchell <mark@codesourcery.com>
690 * varasm.c (make_decl_rtl): Fix typo in last change.
692 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
694 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
695 linker supports the init_priority C++ attribute.
696 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
697 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
698 linker does not support init_priority C++ attribute.
700 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
702 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
704 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
706 * c-parse.in (finish_parse): Add comment about cpp_destroy.
707 * cp/lex.c (finish_parse): Similarly.
708 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
709 Return the number of errors encountered.
710 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
711 * cppmain.c (main): Don't call cpp_destroy.
713 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
715 * configure.in: Require at least perl 5.6.0 to regenerate
717 * configure: Regenerate.
719 2001-01-14 Richard Henderson <rth@redhat.com>
721 * genrecog.c (DT_veclen_ge): New.
722 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
723 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
724 (nodes_identical_1): Handle DT_veclen_ge.
725 (write_cond, debug_decision_2): Likewise.
727 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
729 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
731 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
733 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
735 * cppmain.c (do_preprocessing): New function; most of the old
737 (main): Call it to do most of the work.
738 (cb): Move from global scope to set_callbacks ().
739 (setup_callbacks): Get the callback pointer.
740 (general_init, printer_init): Clean up code and comments.
742 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
744 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
747 2001-01-14 Kazu Hirata <kazu@hxi.com>
749 * config/h8300/h8300.c (get_shift_alg): Update comments.
751 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
753 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
754 (alloc_page, ggc_alloc): Add casts to remove warnings.
756 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
758 * combine.c (simplify_comparison): Don't change `code' when
759 can't reverse comparison.
761 2001-01-14 Richard Henderson <rth@redhat.com>
763 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
764 update all call sites. Return true for all non-label constants.
766 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
768 * i386.c (ix86_expand_compare): Add bypass_test and second_test
770 (ix86_expand_branch): Update.
771 (ix86_expand_setcc): Update to handle multiple test conditions.
772 (expand_int_movcc): Likewise.
773 (expand_fp_movcc): Likewise.
774 * i386-protos.h (ix86_expand_compare): New.
775 * i386.md (andqi_?_slp, orqi_?_slp): New.
776 (conditional trap expander): Update call to ix86_expand_compare.
778 2001-01-14 Richard Henderson <rth@redhat.com>
780 * config/vax/vax.md: Use nonimmediate_operand instead of
781 general_operand in destinations.
783 * config/vax/vax.md (indirect_jump): Use register_operand.
785 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
786 * config/vax/vax.md (call_pop): Turn into an expander.
787 (call_value_pop): Likewise.
788 (call, call_value): New.
790 2001-01-14 Andreas Jaeger <aj@suse.de>
792 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
794 (ix86_fp_compare_mode): Add unused attribute.
795 (ix86_expand_fp_movcc): Remove unused variable.
796 (ix86_expand_builtin): Make fcode unsigned.
798 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
799 (expand_expr): Add cast to avoid signed warning.
800 (store_field): Likewise.
801 (store_constructor_field): Likewise.
802 (store_constructor): Likewise.
803 (store_expr): Likewise.
804 (clear_storage): Likewise.
805 (emit_group_store): Likewise.
806 (emit_group_load): Likewise.
808 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
810 * c-common.c: Move format checking code to ...
811 * c-format.c: ... here. New file. Reorder some functions and
813 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
815 * c-common.h (decl_handle_format_attribute,
816 decl_handle_format_arg_attribute): Declare.
817 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
818 (c-common.o): Adjust dependencies.
819 (c-format.o): New list of dependencies.
821 2001-01-13 Jakub Jelinek <jakub@redhat.com>
823 * unroll.c (loop_iterations): If we cannot prove iteration variable
824 is set once in each iteration, punt.
826 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
828 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
829 (*strlenhi): Remove clobber (which was buggy) of output address.
831 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
833 * Makefile.in (generated-manpages): Add gcc.1
834 ($(srcdir)/gcc.1): New target.
835 (maintainer-clean): Delete $(srcdir)/gcc.1.
836 * gcc.texi: Add macros @gccoptlist and @gol.
837 * invoke.texi: Include option summary in manpage. Mark up option
838 summary with @gccoptlist and @gol. Use @r in one place where
840 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
841 * gcc.1: Generate from invoke.texi.
843 2001-01-13 Richard Henderson <rth@redhat.com>
845 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
846 (struct page_entry): Add group member.
847 (struct page_group): New.
848 (struct globals): Add page_groups member.
849 (alloc_anon): Only define for using mmap; remove valloc call.
850 (page_group_index): New.
851 (set_page_group_in_use): New.
852 (clear_page_group_in_use): New.
853 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
854 (free_page, release_pages): Likewise.
855 * configure.in (with-gc): Default to ggc-page always.
857 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
859 * reload1.c (replace_pseudos_in_call_usage): Use
860 reg_equiv_constant and reg_equiv_address, and don't try
863 2001-01-13 Richard Henderson <rth@redhat.com>
865 * ggc-page.c (alloc_page): Round up allocation size to one page.
866 Set e->order on extra pages.
868 2001-01-13 Richard Henderson <rth@redhat.com>
870 * genrecog.c (nodes_identical): Expand commentary.
871 (write_switch): Watch out for identical nodes.
873 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
875 * cppfiles.c (_cpp_fake_include): New function.
876 * cpphash.h (_cpp_fake_include): New.
877 * cpplib.c (do_line): Call _cpp_fake_include when entering
878 header files in preprocessed input.
879 * cppmain.c (cb_pragma_implementation): Remove handling.
880 (setup_callbacks): Don't register pragmas.
882 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
884 * extend.texi: Udate for CPP.
886 2001-01-13 Andreas Jaeger <aj@suse.de>
888 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
890 * regmove.c: Add prototype for replace_in_call_usage.
892 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
894 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
895 struct cpp_chunk, struct htab, struct toklist,
896 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
897 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
898 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
899 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
900 (struct macro_args): Delete.
901 * cpphash.h: See above.
903 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
905 * cppmain.c (struct printer): Remove no_line_dirs.
907 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
908 : Use options rather than CPP_OPTION.
909 (setup_callbacks): Use cb rather than pfile->cb.
910 (main): No need to check for a buffer. Use cpp_errors.
911 (printer_init): Don't set no_line_dirs.
912 (maybe_print_line): Use options not no_line_dirs.
913 (cb_file_change): Don't call print_line if -P.
915 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
917 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
919 * c-parse.in (finish_parse): Use cpp_errors.
920 (__yylex): Use return value of cpp_pop_buffer.
921 * cp/lex.c (finish_parse): Use cpp_errors.
922 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
924 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
926 * README.AVR: URLs corrected.
928 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
930 * c-decl.c (start_function): Don't warn if old prototype is builtin
931 that's not in C's namespace.
932 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
933 (_bb): Add prototype for ctime.
934 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
936 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
938 * i386.c (ix86_fp_comparison_arithmetics_cost,
939 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
940 ix86_fp_comparison_cost): New functions.
941 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
942 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
943 two-branch sequences; make static.
944 (ix86_use_fcomi_compare): Do decision according to the costs.
945 (split_fp_branch): New.
946 * i386.md (compare-and-branch patterns): Use split_fp_branch.
947 * i386-protos.h (ix86_expand_fp_compare): Remove
948 (ix86_split_fp_branch): Declare.
950 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
951 and ix86_comparison_operator.
953 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
956 * i386.c (put_condition_code): Output properly the unordered/ordered
958 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
960 * tm.texi (REVERSE_CONDITION): Document.
961 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
963 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
965 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
967 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
969 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
972 * config/sh/sh.c (mova_p): Fix test for mova_const.
974 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
976 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
977 cpp_get_options rather than dereferencing pfile and using
979 * scan-decls.c (scan_decls): Use return value of
980 cpp_pop_buffer rather than CPP_BUFFER.
982 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
984 * cppinit.c (cpp_handle_option): help_only is now part of the
985 cpp_options structure.
986 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
987 cpp_set_callbacks): New functions.
988 * cpplib.h (cpp_callbacks): Break out as a named structure.
989 (cpp_options): Move help_only here from cpp_reader.
990 (CPP_FATAL_ERRORS): Update to use cpp_errors.
991 (cpp_errors, cpp_get_options, cpp_get_callbacks,
992 cpp_set_callbacks): New prototypes.
993 * cppmain.c (main): Update for help_only.
995 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
997 * Makefile.in (info, maintainer-clean, install-info, uninstall):
998 Also build and remove and install and uninstall c-tree.info and
1000 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1001 ($(srcdir)/cppinternals.info): New target.
1002 * c-tree.texi: Change file name used when makeinfo used without -o
1003 from ir.info to c-tree.info. Add info directory entry.
1004 * cppinternals.texi: Add info directory entry.
1005 * .cvsignore: Update.
1007 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1009 * c-typeck.c (store_init_value): Don't require constant initializer
1010 elements with -pedantic -std=c99.
1011 (digest_init): Change error about non-constant initializer elements
1013 (constructor_range_end): Remove.
1014 (constructor_incremental, designator_depth,
1015 designator_errorneous): New variables.
1016 (struct constructor_stack): Remove range_end, add incremental.
1017 (struct constructor_range_stack, constructor_range_stack): New.
1018 (struct initializer_stack): Add constructor_range_stack.
1019 (finish_init): Set it.
1020 (start_init): Likewise. require_constant_elements for non-static
1021 trees only if not flag_isoc99.
1022 (really_start_incremental_init): Remove constructor_range_end, add
1023 constructor_incremental.
1024 (pop_init_level): Likewise.
1025 (push_init_level): Likewise. If implicit and the subobject had some
1026 value set already, preinitialize the level with it.
1027 Warn about missing braces only if not pushing due to designators.
1028 (set_designator, push_range_stack): New functions.
1029 (set_init_label): Use them.
1030 (set_init_index): Likewise. Remove constructor_range_end.
1031 Error if designator index is outside of array bounds.
1032 (add_pending_init): Compare values of purpose index trees, not the
1033 trees themselves. Allow overwriting of already initialized element.
1034 Issue a warning if it had side-effects.
1035 (set_nonincremental_init, set_nonincremental_init_from_string): New
1037 (pending_init_member): Rename to...
1038 (find_init_member): ...this function. Call set_nonincremental_init
1039 if necessary. Compare values of purpose index trees, not the trees
1040 themselves. Return the actual value, not just non-zero if something
1042 (output_init_element): Remove checks for duplicates.
1043 If field has zero size, only check the initializer for correctness.
1044 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1045 if constructor_incremental is zero. Change error about initializers
1046 not computable at load time into pedwarn.
1047 (output_pending_init_elements): Compare bit positions, not
1048 FIELD_DECLs to take into account zero-sized fields.
1049 (process_init_element): Use constructor_range_stack to fill all
1050 ranges in the designator lists from current level up.
1051 * extend.texi: Update documentation for labeled elements.
1053 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1055 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1056 to function usage for arguments passed by reference. Optimize
1057 callee-copied arguments.
1058 * regmove.c (replace_in_call_usage): New function.
1059 (fixup_match_1): Call it.
1060 * cse.c (cse_insn): Canonicalize registers in function usage.
1061 * reload1.c (replace_pseudos_in_call_usage): New function.
1064 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1067 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1069 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1072 2001-01-12 DJ Delorie <dj@redhat.com>
1074 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1075 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1078 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1080 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1081 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1082 -std options alongside references to -ansi. Update some
1083 documentation for C99.
1084 * cpp.1: Regenerate.
1086 2001-01-12 Andreas Jaeger <aj@suse.de>
1088 * haifa-sched.c (restore_line_notes): Remove argument block B
1090 * sched-ebb.c (schedule_ebb): Change caller.
1091 * sched-rgn.c (schedule_region): Likewise.
1092 * sched-int.h (restore_line_notes): Adjust prototype.
1094 * loop.h: Remove wrong declaration of doloop_condition_get.
1096 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1098 * extend.texi: Move C++-extension-related node from the C section
1099 into the C++ section.
1101 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1103 * extend.texi: Refer to an array of pointers to functions instead
1104 of one of functions.
1106 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1107 Jan Hubicka <jh@suse.cz>
1109 * combine.c (reversed_comparison): Fix typo in last patch.
1111 (combine_reversed_comparison_code): Make static to follow
1112 prototype declaration.
1114 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1116 * install.texi: Remove misplaced duplicate entry.
1118 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1120 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1122 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1124 * final.c: (leaf_function_p): Fix typo.
1126 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1128 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1129 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1131 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1132 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1133 mmap_anon, and valloc is available.
1134 * ggc-page.c: Restructure ifdef logic to match new autoconf
1135 spec. Don't throw away the test page in init_ggc.
1137 * configure, config.in: Regenerate.
1139 2001-01-12 Michael Hayes <mhayes@redhat.com>
1141 * loop.h (total_biv_increment): Constify iv_class pointer.
1142 (struct induction): Replace `mem_mode' with `mem' rtx.
1143 * unroll.c (total_biv_increment): Constify iv_class pointer.
1144 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1145 (find_mem_givs, combine_givs_p): Likewise.
1146 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1148 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1150 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1152 (__gthread_getspecific): Ditto.
1154 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1156 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1157 put_condition_code): Convert fp comparison codes to integer
1159 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1162 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1163 * i386-protos.h (no_comparison_operator): Kill.
1165 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1167 * combine.c (REVERSIBLE_CC_MODE): Remove.
1168 (reversible_comparison_p): Remove.
1169 (combine_reversed_comparison_code): New.
1170 (reversed_comparison): New.
1171 (combine_simplify_rtx): Use
1172 combine_reversed_comparison_code/reversed_comparison instead
1173 of reversible_comparison_p.
1174 (simplify_if_then_else): Likewise.
1175 (simplify_set): Likewise.
1176 (simplify_logical): Likewise.
1177 (if_then_else_cond): Likewise.
1178 (known_cond): Likewise.
1179 (simplify_comparison): Likewise.
1181 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1183 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1184 sizeof (int) is larger than sizeof(__word__).
1186 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1188 * cppinit.c (do_includes): Fix typo.
1190 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1192 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1193 in S_REGS does not occur because not all sources are possible
1194 when a S_REGS is a destination (sometimes needs a clobber).
1195 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1196 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1197 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1198 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1199 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1200 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1201 (lshrdi_const1, lshrsi3_const16): Likewise.
1202 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1203 (*movhi_68hc12, *movqi_68hc12): Likewise.
1204 (movstrictqi): Make sure reloading in D_REGS as a destination
1207 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1209 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1211 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1213 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1214 -D, -U and -A, and don't initialize the builtins.
1215 (do_includes): Error if -include or -imacros with -fpreprocessed.
1216 * cppmain.c (cb_define, cb_undef): Unconditionally process
1218 * tradcpp.c (main): Fix typo.
1220 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1222 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1223 (read_name_map): Use IS_ABSOLUTE_PATH.
1224 * tradcpp.c (get_filename): Likewise.
1226 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1228 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1229 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1230 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1231 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1232 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1233 (cmphi_z_used): Don't use '@' for the output.
1234 (tstqi_z_used): Likewise.
1235 (cmpqi_z_used): Likewise.
1236 (one_cmplsi2): Likewise.
1238 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1240 * config/sh/sh.c (barrier_align): Recognize branch around far
1241 branch and redundant insn.
1243 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1245 * invoke.texi: Restore documentation of the drivers' switches -MD
1248 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1250 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1252 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1253 check-objc//%): Support parallel testing of multilibs.
1254 (TESTSUITEDIR): Set to testsuite by default, but override for
1256 (check-gcc, check-g++, check-g77, check-objc): Enter
1259 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1261 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1262 * sched-deps.c (deps_may_trap_p): Likewise.
1263 * basic-block.h: Remove a comment.
1264 * flow.c (PROP_POSTRELOAD): Remove.
1265 (update_life_info): Don't add it to prop_flags.
1266 (mark_set_1): Lose the code that was enabled by it.
1268 2001-01-11 Michael Hayes <mhayes@redhat.com>
1270 * flow.c (flow_call_edges_add): New.
1271 * basic_block.h (flow_call_edges_add): New.
1273 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1275 * reload1.c (move2add_note_store): Update reg_set_luid even if
1276 base reg remains the same.
1278 2001-01-10 Nick Clifton <nickc@redhat.com>
1280 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1281 machine_function structure to zero.
1282 Add prototypes for machine_status functions.
1284 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1286 * c-common.h (CTI_VOID_LIST): Remove.
1287 (void_list_node): Likewise.
1288 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1289 (void_list_node): New macro.
1290 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1291 * config/i386/i386.c (ix86_init_builtins): Likewise.
1292 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1294 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1296 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1297 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1299 * tradcpp.c: Include mkdeps.h.
1300 (deps, print_deps_phony_targets, deps_append, output_deps,
1301 init_dependency_output, output_deps): New.
1302 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1303 deps_output): Delete.
1304 (print_deps_missing_files): Rename deps_missing_files.
1305 (inhibit_output): Make global.
1306 (main): Delete inhibit_output, deps_stream, deps_target.
1307 Use mkdeps functionality in the same way as cpplib. Remove
1308 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1309 -M and -MM. Remove old handling of deps via deps_out, and
1310 old reading of environment variables.
1311 (get_filename): Update to use deps_add_dep.
1313 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1315 * output.h (make_function_rtl): Remove prototype.
1316 (make_decl_rtl): Likewise.
1317 * varasm.c (make_function_rtl): Remove.
1318 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1319 than from a third parameter.
1320 * tree.h (make_decl_rtl): Remove last parameter.
1321 * c-decl.c (builtin_function): Remove last argument in call to
1322 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1323 (start_function): Likewise.
1324 * except.c (call_get_eh_context): Likewise.
1325 * expr.c (emit_block_move): Likewise.
1326 (clear_storage): Likewise.
1327 * profile.c (output_func_start_profiler): Likewise.
1328 * toplev.c (rest_of_decl_compilation): Likewise.
1329 * objc/objc-act.c (create_builtin_decl): Likewise.
1330 (synth_module_prologue): Likewise.
1331 (generate_static_reference): Likewise.
1332 (build_selector_reference_decl): Likewise.
1333 (build_class_reference_decl): Likewise.
1334 (build_objc_string_decl): Likewise.
1335 (build_protocol_reference): Likewise.
1337 2001-01-10 Richard Henderson <rth@redhat.com>
1339 * hwint.h: Revert yesterday's change.
1341 2001-01-10 Nick Clifton <nickc@redhat.com>
1343 * function.h (save_machine_status): Delete.
1344 (restore_machine_status): Delete.
1345 Amend comment describing {init|mark|free}_machine_status.
1347 * function.c (save_machine_status): Delete.
1348 (restore_machine_status): Delete.
1349 Amend comment describing {init|mark|free}_machine_status.
1350 (push_function_context_to): Remove invocation of
1351 save_machine_status.
1352 (pop_function_context_from): Remove invocation of
1353 restore_machine_status.
1355 * emit-rtl.c (init_emit_once): Amend comment describing
1356 {init|mark|free}_machine_status.
1358 * tm.texi (Per-Function Data): New node. Describe the
1359 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1362 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1364 * cppinit.c (OPT_g): Remove.
1365 (cpp_handle_option): Update for removed -g3.
1366 (print_help): Update.
1367 * cpplib.h (struct cpp_options): Remove debug_output.
1368 * cppmain.c (setup_callbacks, cb_define): Update.
1369 * gcc.c (cpp_options): Translate -g3 to -dD.
1371 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1373 * config/i960/i960.md: Change modifier to + on the zero_extract
1374 pattern after the (rotate -2 reg) canonicalization pattern.
1376 2001-01-10 Richard Henderson <rth@redhat.com>
1378 * config/alpha/alpha.c (alpha_free_machine_status): New.
1379 (override_options): Install it.
1380 (alpha_mark_machine_status): Verify machine non-null.
1381 * config/i386/i386.c (ix86_free_machine_status): New.
1382 (override_options): Install it.
1383 (ix86_init_machine_status): Use xcalloc.
1384 (ix86_mark_machine_status): Verify machine non-null.
1385 * config/ia64/ia64.c (ia64_free_machine_status): New.
1386 (ia64_override_options): Install it.
1387 (ia64_mark_machine_status): Verify machine non-null.
1389 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1391 * function.c (instantiate_virtual_regs): Instantiate virtual
1392 registers found in CALL_INSN_FUNCTION_USAGE.
1394 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1396 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1397 equivalent to -ansi in disabling -Di386.
1399 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1401 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1403 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1405 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1407 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1409 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1411 * invoke.texi: Document that -fcond-mismatch isn't supported for
1414 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1416 * gcc.texi: Define macro gcctabopt.
1417 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1418 @command, @env and @option in some places where appropriate. Use
1419 @gcctabopt where appropriate. Put URLs and email addresses inside
1422 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1424 * gcc.c (cpp_options): Set MD file name from output
1425 filename, if specified.
1426 (suffix_subst): New static variable.
1427 (do_spec): Clear it.
1428 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1430 (give_switch): Handle suffix_subst.
1432 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1434 * invoke.texi: Fix another typo.
1436 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1438 * invoke.texi: Fix typo.
1440 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1442 * c-lang.c (lang_hooks): Update.
1443 (lang_decode_option): Remove.
1444 (lang_init_options): Rename c_init_options.
1445 * toplev.c (main): Use lang_hooks for lang_init_options
1446 and lang_decode_option.
1447 * toplev.h (lang_hooks): Add 2 new hooks.
1448 * tree.h: Remove lang_init_options and lang_decode_option.
1449 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1450 * cp/decl2.c: Similarly.
1451 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1452 (lang_hooks): Update.
1453 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1455 (lang_init_options): Rename ffe_init_options.
1456 (lang_hooks): Update.
1457 (lang_decode_option): Remove.
1458 * java/lang.c (lang_init_options): Rename java_init_options.
1459 (lang_decode_option): Rename java_decode_option.
1460 (lang_hooks): Update.
1461 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1462 (lang_decode_option): Rename objc_decode_option.
1463 (lang_hooks): Update.
1465 2001-01-09 Nick Clifton <nickc@redhat.com>
1467 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1468 (d30v_return_addr_rtx): Delete.
1469 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1470 cfun->machine structure.
1471 (struct machine_function): Move to d30v.h
1472 (d30v_save_machine_status): Delete.
1473 (d30v_restore_machine_status): Delete.
1474 (d30v_init_machine_status): New Function.
1475 (d30v_mark_machine_status): New Function.
1476 (d30v_free_machine_status): New Function.
1477 (d30v_init_expanders): Use new functions.
1478 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1479 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1480 d30v_return_addr_rtx.
1482 * config/d30v/d30v.h (struct_machine): Move here.
1483 Add eh_epilogue_sp_ofs field.
1485 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1486 field in cfun->machine structure.
1488 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1490 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1491 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1492 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1494 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1496 * objc/lang-options.h: Remove bogus reference to
1499 2001-01-09 Kazu Hirata <kazu@hxi.com>
1501 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1504 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1506 * reload.c (find_reloads_address): Check for eliminable registers
1507 when substituting a constant expression for a pseudo.
1509 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1511 * c-common.c (enum format_type): Add format_type_error.
1512 (decode_format_type): New function.
1513 (decl_attributes): Use it.
1514 (format_kind_info): Adjust comment.
1516 2001-01-09 David O'Brien <obrien@BSDi.com>
1518 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1519 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1521 * config/i386/gnu.h: Don't include required platform specific .h files,
1522 tm.h will do it instead.
1523 * config/i386/i386elf.h: Likewise.
1524 * config/i386/linux.h: Likewise.
1525 * config/i386/moss.h: Likewise.
1526 * config/mips/gnu.h: Likewise.
1528 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1530 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1531 (rs6000-ibm-aix3.[01]*): Likewise.
1532 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1533 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1534 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1535 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1536 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1537 (powerpc-*-eabiaix*): Likewise.
1538 (powerpc-*-eabisim*): Likewise.
1539 (powerpc-*-elf*): Likewise.
1540 (powerpc-*-eabi*): Likewise.
1541 (powerpc-*-rtems*): Likewise.
1542 (powerpc-*-linux*libc1): Likewise.
1543 (powerpc-*-linux*): Likewise.
1544 (powerpc-wrs-vxworks*): Likewise.
1545 (powerpcle-wrs-vxworks*): Likewise.
1546 (powerpcle-*-sysv*): Likewise.
1547 (powerpcle-*-elf*): Likewise.
1548 (powerpcle-*-eabisim*): Likewise.
1549 (powerpcle-*-eabi*): Likewise.
1550 (powerpcle-*-solaris2*): Likewise.
1551 * config/rs6000/aix31.h: Delete includes.
1552 * config/rs6000/aix3newas.h: Likewise.
1553 * config/rs6000/aix41.h: Likewise.
1554 * config/rs6000/aix43.h: Likewise.
1555 * config/rs6000/beos.h: Likewise.
1556 * config/rs6000/rtems.h: Likewise.
1557 * config/rs6000/sysv4.h: Likewise.
1559 2001-01-09 Kazu Hirata <kazu@hxi.com>
1561 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1562 Change an argument mode of machine_mode to shift_mode of
1563 shift_mode. Remove an extra error check.
1564 (emit_a_shift): Adopt to the new calling prototype of
1566 (function_prologue): Fix code for a monitor
1567 function. Support H8/S.
1568 (function_epilogue): Do not output pop for a monitor function.
1570 2001-01-09 Nick Clifton <nickc@redhat.com>
1572 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1573 (setup_incoming_varargs): Use sysv_varargs_p field of the
1574 cfun->machine structure.
1575 (struct machine_function): Move to rs6000.h
1576 (rs6000_save_machine_status): Delete.
1577 (rs6000_restore_machine_status): Delete.
1578 (rs6000_init_machine_status): New Function.
1579 (rs6000_free_machine_status): New Function.
1580 (rs6000_init_expanders): Use new functions.
1582 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1584 (struct machine_function): Move here.
1586 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1587 sysv_varargs_p field of the cfun->machine structure.
1589 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1591 (rs6000_restore_machine_status): Remove prototype.
1593 2001-01-09 Richard Henderson <rth@redhat.com>
1595 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1596 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1597 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1598 (sched_analyze_2, sched_analyze_insn): Likewise.
1599 (sched_analyze, init_deps): Likewise.
1600 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1601 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1602 (compute_block_backward_dependences): Update propagate_deps call.
1604 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1606 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1608 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1610 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1611 (cpp_handle_option): Handle them.
1612 (cpp_post_options): Ensure one of -M or -MM is specified with
1613 any other -M? option.
1614 (init_dependency_output): Suppress output with -MG.
1616 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1619 * invoke.texi: Update.
1621 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1623 * sh.md (reload_outsf): Generate recognizable patterns for
1626 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1628 * c-lang.c (lang_hooks): Update.
1629 (lang_init): Rename c_init.
1630 (lang_finish): Remove.
1631 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1633 * toplev.h (lang_hooks): Add init () and finish ().
1634 * tree.h (lang_init, lang_finish): Remove.
1635 * cp/tree.h (lang_init, lang_finish): Remove.
1636 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1637 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1639 (lang_init, lang_finish): Remove.
1640 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1641 (lang_hooks): Update.
1642 * java/lang.c (lang_init): Rename java_init.
1643 (lang_finish): Remove.
1644 (lang_hooks): Update.
1645 * objc/objc-act.c (lang_init): Rename objc_init.
1646 (lang_finish): Remove.
1647 (lang_hoooks): Update.
1649 20001-01-09 Graham Stott <grahams@redhat.com>
1651 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1652 after `ptr` is initialised.
1654 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1656 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1657 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1658 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1659 stack adjusts, instead of r3.
1661 2001-01-09 Michael Hayes <mhayes@redhat.com>
1663 * flow.c (flow_loop_scan): Break out of ...
1664 (flow_loops_find) ... here.
1665 * basic-block.h (flow_loop_scan): New.
1666 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1667 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1669 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1671 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1673 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1674 realloc()ing macro_buffer.
1676 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1677 if it's wider than long and the target's long is wider than the
1680 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1682 Remove support for using UWIN as a host machine.
1683 * configure.in: Issue an error message.
1684 * configure: Regenerated.
1685 * config.gcc: Remove xm_* UWIN configury.
1686 * config/i386/xm-uwin.h: Remove.
1688 2001-01-08 Nick Clifton <nickc@redhat.com>
1690 * config/v850/v850.c (ra_rtx): Delete.
1691 (v850_save_machine_status): Delete.
1692 (v850_restore_machine_status): Delete.
1693 (v850_init_machine_status): New function.
1694 (v850_mark_machine_status): New function.
1695 (v850_free_machine_status): New function.
1696 (v850_return_addr): Use ra_rtx field in machine structure.
1697 (v850_init_expanders): Use new functions.
1699 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1700 * config/v850/v850.c: Change arguments to v850_output+* functions
1701 to take a const char *, to avoid compile time warning.
1702 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1703 (USER_LABEL_PREFIX): Redefine.
1705 2000-01-08 Jim Wilson <wilson@redhat.com>
1707 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1708 1 to unsigned HOST_WIDE_INT before left shift.
1710 2001-01-08 Nick Clifton <nickc@redhat.com>
1712 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1713 the machine structure has been allocated.
1714 (arm_free_machine_status): New function: Free the machine
1715 specific function structure.
1717 2001-01-08 Richard Henderson <rth@redhat.com>
1719 * jump.c (simplejump_p): Revert last change.
1721 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1723 * cppinit.c (init): Rename init_library.
1724 (cpp_create_reader): Update.
1725 * gcc.c (cpp_options): If -o given, use it as the target of
1728 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1730 * arm.c (arm_arch5e): New variable.
1731 (all_cores): XScale is a 5TE device.
1732 (arm_override_options): Set arm_arch5e.
1733 (arm_init_builtins): __builtin_prefetch is in arch5e.
1734 * arm.h (arm_arch5e): Declare it.
1736 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1738 * arm.md (define_constants): Add defines for UNSPEC and
1739 UNSPEC_VOLATILE insns. Update all users.
1740 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1741 * arm.c (multi_register_push, note_invalid_constants)
1742 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1743 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1744 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1746 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1748 * jump.c (jump_optimize_1): Use reversed_comparison_code
1749 instead of can_reverse_comparison_p.
1750 (jump_back_p): Likewise.
1751 (invert_exp_1): Likewise.
1752 (thread_jumps): Likewise.
1753 * simplify-rtx.c (simplify_unary_operation): Likewise.
1754 (simplify_ternary_operation): Likewise.
1755 * cse.c (find_comparison_args): Convert to use
1756 can_reverse_comparison_p.
1757 (record_jump_equiv): Likewise.
1759 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1761 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1762 (EPILOGUE_USES): Define.
1763 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1764 automatically stack the LR if it isn't live.
1766 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1768 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1771 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1773 * ggc-page.c (max_alignment): New structure.
1774 (MAX_ALIGNMENT): New macro.
1775 (init_ggc): Use it to round up the sizes in the
1776 extra_order_size_table.
1778 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1780 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1783 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1785 * builtins.def (BUILT_IN_FPRINTF): New entry.
1787 * c-common.c (c_expand_builtin_fprintf): New function.
1788 (init_function_format_info): Handle __builtin_fprintf.
1789 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1790 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1792 * c-decl.c (duplicate_decls): Adjust comment.
1794 * extend.texi (fprintf): Document new builtin.
1796 2001-01-07 Richard Henderson <rth@redhat.com>
1798 * jump.c (simplejump_p): Recognize any single_set jump
1801 2001-01-07 Richard Henderson <rth@redhat.com>
1803 * configure.in (slibdir): Accept an --with-slibdir option.
1804 Use "test" not "[" in configure. Default to $(libdir).
1806 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1808 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1809 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1810 (SHLIB_LINK): Create links for the soname.
1811 * config/mips/t-iris6: Likewise.
1812 * config/sparc/t-slibgcc: Likewise.
1813 * config/sparc/t-slibgcc-sld: Likewise.
1815 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1817 * config/i386/i386.c (constant_call_address_operand): Accept
1818 (const (plus (symbol_ref) (const_int))).
1819 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1820 constant_call_address_operand.
1822 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1824 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1825 and LONG_LONG_TYPE_SIZE > 32.
1827 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1829 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1830 the previous change.
1832 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1834 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1836 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1837 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1838 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1841 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1843 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1845 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1847 * c-lang.c (c_post_options): Call cpp_post_options.
1848 * objc/objc-act.c (objc_post_options): Similarly.
1849 * cppmain.c (main): Similarly.
1850 * fix-header.c (read_scan_file): Similarly.
1851 * cppinit.c (cpp_start_read): Move option consistency checks
1852 to cpp_post_options. Don't call init_dependency_output.
1853 If needed, add default target and main file dependency.
1854 (OPT_MD, OPT_MMD): Remove.
1856 (cpp_handle_option): Update for OPT_* changes.
1857 (cpp_post_options): New.
1858 (init_dependency_output): Command line -MF overrides environment
1859 variables. Don't set default target etc. Suppress output
1860 if dependencies are going to stdout.
1861 (print_help): Update.
1862 * cpplib.h (cpp_post_options): New.
1863 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1865 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1867 * jump.c (comparison_dominates_p): Support unordered compares.
1869 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1871 * simplify-rtx.c (simplify_relational_operation): Always simplify
1872 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1875 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1877 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1878 (nonzero_bits): Likewise.
1879 (simplify_comparison): Likewise.
1880 (num_sign_bit_copies): Likewise; return more sane value depending
1881 on STORE_FLAG_VALUE.
1882 (known_cond): Do not assume EQ to be always true for equivalent
1885 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1887 * cse.c (fold_rtx): Handle unordered comparisons.
1889 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1891 * rtlanal.c (set_of_1): New static function.
1892 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1893 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1894 reg_set_last_last_regno): Remove.
1895 (set_of): New global function.
1896 (set_of_data): New structure.
1897 (reg_set_p, reg_set_last): Revamp for set_of.
1898 * rtl.h (set_of): New.
1900 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1902 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1903 * extend.texi: Document _Exit builtin.
1905 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1907 * (initialize, initialize_builtins,
1908 initialize_dependency_output, initialize_standard_includes):
1909 Rename s/initialize/init. Update.
1910 (init_dependency_output): Move to after
1911 cpp_handle_options, the correct location temporally at least.
1912 (opt_comp): Move next to init (), its caller. Fix prototype.
1913 (init): Make "initialized" local scope.
1914 (cpp_create_reader): Always call init ().
1915 (cpp_start_read): Update.
1916 (output_deps): New function, broken out of cpp_finish.
1917 (cpp_finish): Break out output_deps.
1919 2001-01-07 Richard Henderson <rth@redhat.com>
1921 * collect2.c (COFF specific stuff): Revert 12-06 patch
1922 to prototype system functions.
1924 2001-01-07 Michael Hayes <mhayes@redhat.com>
1926 * hard-reg-set.h: Add multiple include guard.
1927 * basic-block.h (struct loop): Add `sink' field.
1928 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1929 (emit_iv_add_mult): Delete.
1930 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1931 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1932 (unroll_loop): Remove end_insert_before argument.
1933 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1934 (maybe_eliminate_biv_1): Likewise.
1935 (emit_iv_add_mult): Delete.
1936 (gen_add_mult, loop_regs_update): New.
1937 (loop_insn_emit_after, loop_insn_emit_before): New.
1938 (loop_insn_sink, loop_insn_sink_or_swim): New.
1939 (emit_iv_add_mult): Delete.
1940 (scan_loop): Set loop->sink.
1941 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1942 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1943 (maybe_eliminate_biv_1): Likewise.
1944 (maybe_eliminate_biv_1): Add basic block argument.
1945 * unroll.c (unroll_loop): Remove end_insert_before argument.
1946 (find_splittable_regs): Likewise.
1947 (find_splittable_regs): Use loop_insn_sink and its ilk.
1948 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1950 2001-01-07 Michael Hayes <mhayes@redhat.com>
1952 * loop.h (loop_insn_hoist): New prototype.
1953 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1954 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1955 (check_dbra_loop, load_mems): Likewise.
1956 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1957 (find_splittable_givs): Likewise.
1959 2001-01-07 Michael Hayes <mhayes@redhat.com>
1961 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1963 2001-01-07 Richard Henderson <rth@redhat.com>
1965 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1967 2001-01-07 Richard Henderson <rth@redhat.com>
1969 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1970 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1971 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1972 variant that handles a shared libgcc.
1973 (process_command): Always validate -{static,shared}-libgcc.
1974 (do_spec_1): New 'M' case.
1975 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1977 2001-01-07 Richard Henderson <rth@redhat.com>
1979 * Makefile.in (slibdir): New variable.
1980 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1981 (installdirs): Create slibdir.
1982 (install-libgcc, install-multilib): Defer to libgcc.mk.
1983 * configure.in (slibdir): Substitute.
1984 * mklibgcc.in (install): New target.
1986 * config/t-linux (SHLIB_LINK): Create links for the soname.
1987 (SHLIB_INSTALL): New.
1988 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1989 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1990 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1991 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1992 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1994 2001-01-07 Richard Henderson <rth@redhat.com>
1996 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1997 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1998 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2000 2001-01-07 Michael Hayes <mhayes@redhat.com>
2002 * loop.c (count_loop_regs_set): Delete.
2003 (load_mems_and_recount_loop_regs_set): Delete.
2004 (loop_regs_scan): Merge common code from count_loop_regs_set,
2005 scan_loop, and load_mems_and_recount_loop_regs_set.
2006 (scan_loop): Call load_mems directly and loop_regs_scan
2007 again if new registers created.
2009 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2011 * toplev.c (main): Call the front-end specific post_options
2012 hook if one is given.
2013 * toplev.h (struct_lang_hooks, lang_hooks): New.
2014 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2015 for the C front end.
2016 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2017 lang_hooks for the C++ front end.
2018 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2019 lang_hooks for the ObjC front end.
2020 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2021 * java/lang.c (lang_hooks): Hooks for the Java front end.
2023 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2025 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2026 for verbose DWARF[2] debugging.
2027 (cb_define, cb_undef): The new callbacks.
2028 * toplev.h (debug_define, debug_undef): Make const correct.
2029 * toplev.c (debug_define, debug_undef): Similarly. Do not
2030 perform the verbosity tests here anymore.
2032 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2034 * reload.c (subst_reloads): Take INSN argument. When
2035 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2036 * reload.h (subst_reloads): Adjust prototype.
2037 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2038 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2039 present in JUMP_INSNs and copy them to JUMP_LABEL.
2040 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2041 JUMP_INSNs and insns with REG_LABELs that are followed by
2042 JUMP_INSNs with the same REG_LABEL.
2043 * sched-rgn.c (is_cfg_nonregular): Likewise.
2044 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2046 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2048 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2050 2001-01-06 Richard Henderson <rth@redhat.com>
2052 * loop.c (scan_loop): Use xcalloc for the regs array.
2053 (load_mems_and_recount_loop_regs_set): Zero the new memory
2054 received from xrealloc.
2056 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2058 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2060 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2062 * integrate.c (copy_rtx_and_substitute): When copying
2063 an ignored return value, strip REG_FUNCTION_VALUE_P.
2065 2001-01-06 Michael Hayes <mhayes@redhat.com>
2067 * loop.c (debug_biv, debug_giv): New.
2068 (loop_biv_dump): Break out from ...
2069 (record_biv): ... here.
2070 (loop_giv_dump): Break out from ...
2071 (record_giv): ... here.
2072 (loop_bivs_check): Use print_simple_rtl.
2073 * unroll.c (loop_iterations): Use print_simple_rtl.
2075 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2077 * pa.md (return, return_internal): Modify patterns to prevent regrename
2078 mucking with the return pointer.
2080 2001-01-05 Richard Henderson <rth@redhat.com>
2082 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2084 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2086 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2087 version supplied by Matteo Frigo.
2089 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2091 * cpp.texi: Update for -MQ.
2092 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2093 (cpp_cleanup): Always free pfile->deps.
2094 (initialize_dependency_output): Don't create pfile->deps.
2095 (cpp_handle_option): Similarly.
2097 * gcc.c (cpp_options): Handle -MQ.
2098 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2099 * mkdeps.c (base_name): Remove.
2100 (deps_init): Don't allocate vector space until it's needed.
2101 (deps_free): Only free vectors if allocated.
2102 (deps_add_target, deps_add_dep): Update for initial allocation.
2103 (deps_add_default_target): Don't strip to the base_name.
2105 2001-01-05 DJ Delorie <dj@redhat.com>
2107 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2108 (INIT_EXPANDERS): Define.
2110 * config/v850/v850.c (struct machine_function): Define.
2111 (v850_save_machine_status): New function.
2112 (v850_restore_machine_status): New function.
2113 (v850_return_addr): New function.
2114 (v850_init_expanders): New function.
2116 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2117 and v850_init_expanders.
2119 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2121 * cpplib.h (struct cpp_reader): Add help_only field.
2122 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2123 (cpp_handle_option): Set pfile->help_only if we see -h,
2124 --help, -target-help, or --version. Print version string but
2125 do not set help_only if we see -v or -version. Make text
2126 printed by -v match that printed by (-)-version.
2128 * cppmain.c (main): Exit after option parsing if
2129 pfile->help_only is true.
2131 * toplev.c (independent_decode_option): Call print_version,
2132 then exit, if we see --version (but not -version).
2133 (print_version): Split lengthy message into two lines.
2135 2001-01-05 Nick Clifton <nickc@redhat.com>
2137 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2138 temporary string for initialisation before calling ggc_alloc_string.
2140 2001-01-06 Michael Hayes <mhayes@redhat.com>
2142 * rtl.h (print_simple_rtl): New.
2143 * print-rtl.c (print_simple_rtl): New.
2145 (print_rtx): Disable printing of flags and modes, etc.,
2146 if `flag_simple` nonzero.
2148 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2150 * function.c (fixup_var_refs): Use push_to_full_sequence where
2153 2001-01-05 Michael Meissner <meissner@redhat.com>
2155 * flags.h (flag_reorder_blocks): Add declaration.
2156 (flag_rename_block): Ditto.
2158 2001-01-05 DJ Delorie <dj@redhat.com>
2160 * function.c (reorder_blocks): Make sure the flags are all reset
2161 before using them to mark blocks, else a second invocation will
2162 corrupt the block chain.
2163 (reorder_blocks_0): New, resets the flags.
2165 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2167 * cse.c (find_comparison_args): Stop if the argument is known to
2170 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2172 * config/sh/sh.md (movdf): When splitting load into pair of
2173 registers, don't clobber the register used in the address too
2176 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2178 * varasm.c (mark_constant_pool): Improve initial comments.
2179 (mark_constants): Move marking of constants to mark_constant.
2180 (mark_constant): New function to recursively mark all constants
2181 referred to by a constant.
2183 2001-01-05 Catherine Moore <clm@redhat.com>
2185 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2187 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2189 * cp/lang-options.h: Bring comment in line with reality.
2190 * f/lang-options.h: Likewise.
2191 * java/lang-options.h: Likewise.
2192 * objc/lang-options.h: Likewise.
2193 * ch/lang-options.h: Likewise.
2194 * f/g77.texi: And update the manual.
2196 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2197 Denis Chertykov <denisc@overta.ru>
2199 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2200 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2201 * config/avr/avr.md (all peepholes that request a scratch register):
2202 Call it, FAIL the peephole if not safe (in interrupt functions).
2204 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2206 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2208 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2210 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2212 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2213 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2214 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2215 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2216 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2218 * extend.texi: Document these builtins.
2220 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2222 * c-common.c (lang_get_alias_set): Say we know nothing of
2223 VECTOR_TYPE aliasing.
2225 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2227 2001-01-05 Bruce Korb <bkorb@gnu.org>
2229 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2230 their x* equivalent versions for atexit-less systems
2231 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2232 systems (or any other system any more).
2234 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2236 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2237 output operands. Use arm_hard_register_operand for operand 4.
2238 (stmsi_postinc): Similarly.
2239 (ldmsi): Use arm_hard_register_operand for opernand 2.
2241 * arm.c (arm_hard_register_operand): New function.
2242 * arm-protos.h (arm_hard_register_operand): Prototype it.
2244 * arm.h (HARD_REGNO_RENAME_OK): Define.
2246 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2248 * simplify-rtx.c (cfc_args): add "unordered" field.
2249 (check_fold_consts): Set unordered field.
2250 (simplify_relational_operation): Simplify the unordered
2253 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2256 * emit-rtl.c (try_split): Fix code to mark labels.
2257 * jump.c (mark_jump_label): Make global.
2258 * rtl.h (mark_jump_label): Declare.
2260 * predict.c (estimate_probability): Handle unordred comparisons.
2262 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2264 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2265 * cppinit.c (initialize_dependency_output): Update.
2266 (cpp_finish): Output dummy targets for -MP.
2268 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2269 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2270 * gcc.c (cpp_options): Update to handle -MP.
2271 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2272 to quote only the default target.
2273 (deps_phony_targets): Insert a preceding newline. Rename from
2274 deps_dummy_targets for consistency.
2277 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2279 * calls.c (emit_library_call_value_1): Support
2280 INIT_CUMULATIVE_LIBCALL_ARGS.
2281 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2283 2001-01-04 Richard Henderson <rth@redhat.com>
2285 * c-decl.c (finish_struct): Detect flexible array members
2286 used in an inappropriate context.
2287 * c-typeck.c (really_start_incremental_init): Special case
2288 constructor_max_index for zero length arrays.
2289 (pop_init_level): Allow initialization of flexible array
2290 members. Deprecate initialization of zero length arrays.
2291 Don't issue missing initializer warning for flexible array
2292 members or zero length arrays.
2293 (process_init_element): Don't dereference null DECL_SIZE.
2294 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2295 Don't abort for empty constructors. Use size_binop
2296 (output_constructor): Add commentary regarding zero length
2297 array futures. Abort if we try to initialize an array of
2298 unspecified length with a non-empty constructor in the middle
2301 * extend.texi (Zero Length): Update and clarify documentation
2302 on static initialization.
2304 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2306 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2307 with more than 32767 words of local storage.
2309 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2311 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2312 for 'abs', 'labs', and 'fabs'.
2313 (c4x_expand_builtin): Likewise.
2314 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2316 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2318 * config/sh/sh.md (prget, prset): New insn types.
2319 (return delay slot): Dont' allow prset.
2320 (call, sfunc delay slot): Don't allow prget.
2321 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2322 for prset and prget.
2324 2001-01-05 Michael Hayes <mhayes@redhat.com>
2326 * loop.h (struct loop_reg): New.
2327 (struct loop_regs): Change to use array of `struct loop_reg'.
2328 * loop.c: Replace assortment of varrays with single regs array.
2329 (count_one_set): Delete may_not_move array argument
2330 and use regs array instead. All caller's changed.
2331 (count_loop_regs_set): Delete may_not_move and single_usage
2332 arguments and use regs array instead. All caller's changed.
2333 (find_single_use_in_loop): Replace usage array argument with pointer
2334 to regs structure. All caller's changed.
2335 (loop_optimize): Delete `moved_once' array.
2337 2001-01-05 Michael Hayes <mhayes@redhat.com>
2339 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2340 Use it instead of loop_info->has_call for scanning loop mems.
2341 (check_dbra_loop): Replace loop_info->has_call test with
2342 loop_info->has_nonconst_call.
2344 2000-01-04 Matthew Hiller <hiller@redhat.com>
2346 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2349 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2351 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2352 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2354 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2356 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2357 (flag_short_double, flag_short_wchar): Define.
2358 (c_common_nodes_and_builtins): Create many tree nodes shared
2359 between C and C++ here instead of in cp/decl.c and ...
2360 * c-decl.c (init_decl_processing): ... here.
2361 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2362 (flag_short_double, flag_short_wchar): Don't define.
2363 (record_builtin_type): New function.
2364 (build_void_list_node): New function.
2365 * c-common.h (flag_short_double, flag_short_wchar,
2366 record_builtin_type, build_void_list_node): Declare.
2368 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2370 * integrate.c (expand_inline_function): Don't put a virtual
2371 register into the reg map.
2373 * function.c (fixup_var_refs_1): If force_operand didn't put
2374 the address into the target, move it there.
2376 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2378 Special-case tree_decl/tree_list allocations.
2379 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2380 (OBJECT_SIZE): New macro.
2381 (NUM_EXTRA_ORDER): Likewise.
2382 (extra_order_size_table): New variable.
2383 (NUM_ORDERS): New macro.
2384 (objects_per_page_table): New variable.
2385 (object_size_table): New variable.
2386 (G.pages): Use NUM_ORDERS to bound the array.
2387 (G.page_tails): Likewise.
2388 (DIV_ROUND_UP): Remove.
2389 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2390 (alloc_page): Use OBJECT_SIZE.
2391 (size_lookup): Don't make it const.
2392 (ggc_alloc): Use OBJECT_SIZE.
2393 (ggc_set_mark): Likewise.
2394 (ggc_get_size): Likewise.
2395 (init_ggc): Set up the object_size_table, objects_per_page_table,
2396 and adjust size_lookup.
2397 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2398 (ggc_pop_context): Use NUM_ORDERS.
2399 (clear_marks): Likewise.
2400 (sweep_pages): Likewise.
2401 (poison_pages): Likewise.
2402 (ggc_print_statistics): Use OBJECT_SIZE.
2404 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2406 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2407 Only call array_size_for_constructor if last field and array type
2408 with no upper bound.
2410 2001-01-04 Philip Blundell <philb@gnu.org>
2412 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2413 from bit 31 downwards, if this requires no more insns.
2414 (count_insns_for_constant): New helper function for above.
2416 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2418 * gencodes.c (output_predicate_decls): Remove empty initializer.
2420 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2422 * tree.c (copy_node): Remove documentation about obstacks.
2423 (buidl1): Check that nobody tries to build 2-argument nodes this
2426 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2431 * gencodes.c (output_predicate_decls): Fill empty initializer
2434 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2436 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2437 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2439 (do_include): Handle missing headers like cpp0.
2440 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2441 paths with first include pathname. Don't strcat to uninitialized
2444 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2446 * regrename.c (regrename_optimize): Don't rename from frame pointer
2447 if frame_pointer_needed.
2448 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2449 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2450 (ia64_reorg): Use it instead of scheduling if ! optimize.
2451 (errata_emit_nops): Properly call asm_noperands.
2452 (ia64_sched_reorder): Finish cycle if we see an asm.
2453 (ia64_variable_issue): Clear scheduling state after asms.
2455 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2457 * cpp.texi: Update for -MT.
2458 * cppinit.c (initialize_dependency_output): Add a default
2459 target if none has been given already.
2460 (no_tgt, OPT_MT): New.
2461 (cpp_handle_option): Handle -MT. Update -M etc.
2462 * cpplib.h (struct cpp_options): Remove deps_target.
2463 * gcc.c (cpp_options): Handle -MT.
2464 * mkdeps.c (struct deps): Move from mkdeps.h.
2465 (deps_calc_target): Rename deps_add_default_target. Add a
2466 default target if none has been specified already.
2467 * mkdeps.h (struct deps): Move to mkdeps.c.
2468 (deps_calc_target): Rename deps_add_default_target.
2470 2000-01-03 Richard Henderson <rth@redhat.com>
2472 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2474 * c-typeck.c (push_init_level): Move checks for flexible array
2475 members and zero length arrays ...
2476 (pop_init_level): ... here. Silently discard empty initializations.
2478 * varasm.c (output_constructor): Update for sizeof change to
2481 * extend.texi (Zero Length): Clarify semantics.
2483 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2485 * configure.in (tm.h): Include isns-codes.h last.
2486 * configure: Rebuilt.
2488 2001-01-03 Richard Henderson <rth@redhat.com>
2490 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2491 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2493 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2495 * tradcpp.c (main): Make sure finclude() is called with a valid
2496 indepth value while handling -include.
2498 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2500 * gencodes.c (output_predicate_decls): New function.
2502 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2503 even if it is not the first time machmode.h is #included.
2504 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2505 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2506 * gcc.texi (Copyright): Added 2001.
2508 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2510 * c-common.c (c_common_lang_init): New function. Warn if format
2511 warning options which only have effects when used with -Wformat
2512 are used without -Wformat.
2513 * c-common.h (c_common_lang_init): Declare.
2514 * c-lang.c (lang_init): Call c_common_lang_init.
2515 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2517 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2519 * configure.in: Check for the mktemp command.
2520 * configure: Regenerate.
2521 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2522 $TEMP. Create temporary files with mktemp, if available at
2523 configure time; otherwise use set -C. Remove temporary files
2526 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2528 * configure.in: Require at least texinfo 4.0. Check for whether
2529 Pod::Man is sufficiently recent to regenerate GCC manpages.
2530 * configure: Regenerate.
2531 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2533 (GENERATED_MANPAGES): Define.
2534 (generated-manpages): New target. Depend on cpp.1 as well as
2536 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2537 configure to generated-manpages or empty) rather than on the
2538 manpages directly. Remove execute permission from installed
2539 gcov.1 as well as cpp.1.
2540 * cpp.1, gcov.1: Regenerate.
2542 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2544 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2545 tree_low_cst. Allow using cmpstrsi in more cases.
2547 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2549 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2552 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2554 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2555 * Makefile.in (HOST_CFLAGS): Mention build-make.
2557 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2559 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2562 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2564 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2567 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2570 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2571 reg_base_value and reg_known_value arrays.
2572 (init_alias_analysis): Add more cases to detect known values.
2573 * sched-deps.c (deps_may_trap_p): New function.
2574 (sched_analyze_2): Use it.
2576 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2578 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2579 don't discard an ASHIFTRT if we're shifting in a wider mode.
2581 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2583 * toplev.c (rest_of_compilation): Don't print basic block information
2584 when CFG isn't up to date.
2586 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2588 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2589 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2590 (UNALIGNED_SHORT_ASM_OP): Define.
2591 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2593 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2595 * fold-const.c (fold_convert): Fix typo.
2597 2001-01-02 Richard Henderson <rth@redhat.com>
2599 * c-common.h (ASM_INPUT_P): New.
2600 * c-parse.in (asm): Set it when needed.
2601 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2602 existance of an operand.
2604 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2606 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2607 (dwarf2out_frame_debug_expr): Likewise.
2608 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2610 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2612 * i386.c (ix86_split_to_parts): Return number of part required;
2614 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2616 (ix86_split_long_move): Use number of part returned
2617 by ix86_split_to_parts
2618 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2620 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2621 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2622 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2623 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2624 (ALIGN_MODE_128): Add TFmode.
2625 (IS_STACK_MODE): Likewise.
2626 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2627 (HARD_REGNO_OK): Support TFmodes.
2628 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2629 * i386.md (scheduler definitions): Use memory operand to determine
2630 fst/fld instructions; use mode attribute to determine real mode of
2632 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2633 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2635 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2637 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2639 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2641 * expr.c (store_constructor_field): Update ALIGN before calling
2644 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2646 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2649 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2651 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2654 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2656 * c-decl.c (start_function): Don't warn on third parameter to main.
2658 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2660 * tsystem.h: Define HAVE_DECL_GETOPT.
2662 2001-01-02 Philip Blundell <pb@futuretv.com>
2664 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2667 2001-01-02 Richard Henderson <rth@redhat.com>
2669 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2671 2001-01-02 Andreas Jaeger <aj@suse.de>
2673 * c-decl.c (c_decode_option): Remove support of
2676 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2677 (W_options): Add -Wmissing-noreturn here.
2679 * flow.c: Define lang_missing_noreturn_ok_p.
2680 (check_function_return_warnings): Use it.
2682 * c-common.h: Declare lang_missing_noreturn_ok_p.
2684 * c-lang.c (c_missing_noreturn_ok_p): New function.
2685 (lang_init): Set lang_missing_noreturn_ok_p.
2687 * invoke.texi (Warning Options): Document this.
2689 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2691 * extend.texi (C++ Extensions): New node for C++ attributes;
2692 describe init_priority and com_interface.
2693 * invoke.texi: Remove -finit-priority as it now has zero effect.
2694 * install.texi: Fix xref syntax.
2695 * md.texi: Likewise.
2697 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2699 * config.gcc (sparc64-wrs-vxworks*): New case.
2700 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2702 * config/sparc/sparc.c (sparc_override_options): Do support different
2703 pointer and architecture size.
2704 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2705 (POINTERS_EXTEND_UNSIGNED): Define.
2706 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2707 (FUNCTION_MODE): Define to be Pmode.
2708 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2710 * function.c (expand_function_end): Properly handle DECL_RESULT
2711 and copy when ptr_mode != Pmode.
2712 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2714 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2716 * c-common.c (c_common_nodes_and_builtins): Set prototype
2717 parameters for __builtin_fputs, __builtin_fputc and
2718 __builtin_fwrite. Don't declare plain fputc as a builtin.
2720 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2722 * loop.c (add_label_notes): Increment the label usage count when
2723 a note is added to an insn which refers to a CODE_LABEL.
2724 * gcse.c (add_label_notes): Likewise.
2726 2001-01-01 Andreas Jaeger <aj@suse.de>
2728 * loop.c (scan_loop): Use xmalloc to allocate movables.
2730 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2732 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2733 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2734 * reload1.c (REGISTER_MOVE_COST): Likewise.
2735 * regclass.c (REGISTER_MOVE_COST): Likewise.
2736 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2737 dimension. Adjust all users.
2738 (init_reg_sets_1): Iterate on all modes.
2739 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2740 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2741 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2742 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2743 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2744 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2745 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2746 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2747 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2748 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2749 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2750 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2751 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2752 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2753 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2754 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2755 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2756 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2757 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2758 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2759 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2760 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2761 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2762 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2763 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2764 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2765 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2767 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2769 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2770 arg VARIES_P. Call it with extra arg.
2771 (true_dependence): Likewise.
2772 * rtl.h (rtx_addr_can_trap_p): Declare.
2773 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2775 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2776 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2777 pic offset table register if it's zero. All callers changed.
2778 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2780 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2782 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2783 STRING_POOL_ADDRESS_P.
2785 * config/sparc/sparc.c (input_operand): Properly test for short op.
2787 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2788 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2789 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2790 * config/sparc/elf.h: No longer include sol2.h.
2791 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2792 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2794 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2796 2001-01-01 Michael Hayes <mhayes@redhat.com>
2798 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2799 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2800 (record_initial): Likewise.
2801 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2802 (remap_split_bivs): Likewise.
2804 2001-01-01 Michael Hayes <mhayes@redhat.com>
2806 * loop.c (loop_ivs_free): New function.
2807 (strength_reduce): Break out from...
2809 2001-01-01 Michael Hayes <mhayes@redhat.com>
2811 * loop.h (struct iv): New.
2812 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2813 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2814 'reg_biv_class' fields with 'regs' and 'n_regs'.
2815 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2816 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2817 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2819 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2821 * resource.c (mark_referenced_resources): Abort() before
2822 attempting to mark a pseudo register.
2823 (mark_set_resources): Likewise.
2825 2001-01-01 Michael Hayes <mhayes@redhat.com>
2827 * loop.h (REG_IV_CLASS): New accessor macro.
2828 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2829 * unroll.c (REG_IV_CLASS): Likewise.
2831 See ChangeLog.4 for earlier changes.
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