1 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3 * dwarf2out.c (prefix_of): New function. Determine longest common
4 prefix of the two arguments. The units are whole path components.
5 (output_file_names): When adding a new directory find the one entry
6 with the longest common prefix already in the list. Artificially
7 generate entry if there is none for this prefix.
8 Fix test to check whether the zeroth directory entry is used.
10 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
12 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
13 Changed all callers. Take it into account when deciding if a
14 previously loaded value matches.
16 2001-01-24 Richard Henderson <rth@redhat.com>
18 * reload.c (find_reloads_subreg_address): Fail the substitution
19 if the resulting address is insufficiently aligned.
21 2001-01-24 DJ Delorie <dj@redhat.com>
23 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
24 check the original operand's mode also.
25 * simplify-rtx.c (simplify_ternary_operation): Ditto.
27 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
29 * c-parse.in (cast_expr): Move compound literals from here ...
30 (primary): ... to here. Use standard terminology "compound
31 literal" instead of "constructor expression".
33 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
35 * gcc.1, cpp.1: Regenerate.
37 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
39 * calls.c (emit_library_call_value_1): Memory slot for
40 pass-by-reference argument should have the mode of the argument,
41 not of the pointer to it.
43 2001-01-24 Tom Tromey <tromey@redhat.com>
45 * gcc.texi (G++ and GCC): Mention gcj manual.
46 (Standards): Link to section of manual mentioning gcj/Java
49 2001-01-24 Jakub Jelinek <jakub@redhat.com>
51 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
52 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
53 * tradcpp.c (main): Add -imacros or -include'd dependencies
55 * cpp.texi (-M, -MM): Document -M -include behaviour.
57 2001-01-24 Roger Collins <roger@ProProject.com>
59 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
61 2001-01-24 Will Cohen <wcohen@redhat.com>
63 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
64 whether registers are 32 bits or 64 bits in size.
66 2001-01-24 Ben Elliston <bje@redhat.com>
68 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
70 2001-01-24 Richard Henderson <rth@redhat.com>
72 * config/alpha/alpha.md (builtin_longjmp_internal): New.
73 (builtin_longjmp): Use it instead of emit_indirect_jump.
75 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
77 * bb-reorder.c (make_reorder_chain_1): Handle case where
78 jump edge goes to the same block as the fallthru edge.
80 2001-01-23 Jim Wilson <wilson@redhat.com>
82 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
83 * frame.h (__ia64_personality_v1): Add prototype.
84 * libgcc2.c (ia64_throw_helper): Change personality declaration to
85 prototype form. Add void * cast to first argument to personality
87 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
88 (asctoe113): Likewise.
89 * config/ia64/frame-ia64.c: Include eh-common.h.
90 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
92 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
94 (itanium_split_issue): Add prototype.
95 (gen_nop_type): Ifdef out.
96 (find_best_packet): Initialize best_packet.
97 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
99 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
100 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
101 (flushrs): Add explicit stop bit at end.
102 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
105 2001-01-23 Chris Demetriou <cgd@broadcom.com>
107 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
109 * libgcc2.c (__terminate_func): Make variable static.
110 (__terminate_set_func): New function to set __terminate_func.
111 * libgcc2.h (__terminate_func_ptr): New typedef.
112 (__terminate_set_func): New function.
114 2001-01-23 Richard Henderson <rth@redhat.com>
116 * flow.c (init_propagate_block_info): Don't consider unchanging
117 memories for dead frame store elimination.
119 2001-01-23 Richard Henderson <rth@redhat.com>
121 * varasm.c (UNIQUE_SECTION): Move default implementation ...
122 * defaults.h: ... here.
124 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
126 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
128 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
130 * c-lex.c (lex_charconst): Fix typo: s/p/str.
132 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
134 * rs6000.h (rs6000_return_addr): Move prototype from here...
135 * rs6000-protos.h (rs6000_return_addr): ...to here.
136 (rs6000_init_expanders): Delete prototype.
138 2001-01-23 Nick Clifton <nickc@redhat.com>
140 * invoke.texi: Replace , with \, inside @gccoptlist macros.
141 (Spec Files): Document %B and %j and %. and %v3 and %M and
142 %{S*&T} spec switches.
144 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
146 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
148 2001-01-23 Chris Demetriou <cgd@sibyte.com>
149 Neil Booth <neil@daikokuya.demon.co.uk>
151 * cpperror.c: Merge handlers of PEDWARN and WARNING.
152 Have -Werror make pedantic warnings errors, like the
155 2001-01-23 Phil Edwards <pme@sources.redhat.com>
157 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
159 2001-01-23 Jakub Jelinek <jakub@redhat.com>
161 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
162 * integrate.c (expand_inline_function): Initialize them.
163 (subst_constants): If changing COMPARE so that both its arguments
164 will be VOIDmode and the comparison mode will be lost, note
165 compare_mode. Use the recorded compare_mode to optimize
168 2001-01-23 Jason Merrill <jason@redhat.com>
170 * dwarf2out.c (new_die): Use xcalloc.
171 (output_die): Abort rather than emit a local reference to offset 0.
173 2001-01-17 Andrew Haley <aph@redhat.com>
175 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
176 of a saved register; return NULL instead.
177 (copy_reg): Take a pointer to a source register rather than a
179 (next_stack_level): Remember the address in the stack frame of all
181 Use the saved register pointer array as the source of the CFA.
182 (throw_helper): Rewrite. Unwind once rather than twice and keep
183 track of saved registers as we go.
185 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
187 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
188 * c4x.c (c4x_legitimize_reload_address): Remove.
189 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
190 reload address for ldp(k) insn.
192 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
194 * pa.md (return_internal): Add a USE of the PIC register to ensure
195 it is restored after each call.
196 (return expander): Corresponding changes.
198 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
200 * rs6000.h (INIT_EXPANDERS): Delete.
201 (RETURN_ADDR_RTX): Call rs6000_return_addr().
202 * rs6000.c (rs6000_override_options): Call *_machine_status from
204 (rs6000_init_expanders): ...instead of here. Delete.
205 (rs6000_mark_machine_status): New function.
206 (rs6000_init_machine_status): Use xcalloc.
207 (rs6000_return_addr): Generate RTX for the return address.
208 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
209 (rs6000_stack_info): Use it.
211 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
213 * gthr-win32.h: Include errno.h to get a declaration for
214 EINVAL and _mingw.h if the target is mingw32.
216 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
218 * cpp.texi: Correct typos.
220 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
222 * explow.c (probe_stack_range): Ensure value passed to
223 stack_check_libfunc is ptr_mode, not Pmode.
225 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
227 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
228 case, don't use operand_subword to calculate a SUBREG that is
231 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
233 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
235 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
236 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
237 valid. If not replace it by equivalent insns.
239 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
241 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
242 contains SYMBOL_REF, LABEL_REF and CONST_INT.
243 (c4x_U_constraint, symbolic_address_operand): Likewise.
244 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
246 (c4x_r11_set_p, c4x_check_laj_p): New functions.
247 * c4x-protos.h (c4x_check_laj_p): Add prototype.
248 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
249 anulling slot because of silicon bug.
250 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
252 2001-01-22 Alan Modra <alan@linuxcare.com.au>
254 * cppexp.c (parse_charconst): Change `mask' type to agree
257 2001-01-21 Richard Henderson <rth@redhat.com>
259 * config/i386/i386.c (ix86_asm_file_end): Disable putting
260 pic_label_name in a linkonce section.
262 2001-01-17 Philipp Thomas <pthomas@suse.de>
264 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
266 * configure: Regenerate.
268 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
270 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
271 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
273 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
275 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
276 If REVERSE nonzero then condition code in X must be reversed.
277 (encode_section_info): Optimise if/else.
278 (avr_function_value): Fix formatting.
280 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
281 (difficult_branch): Likewise.
282 (rvbranch): Likewise.
283 (difficult_rvbranch): Likewise.
285 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
287 * config/avr/libgcc.S: Fix comment.
289 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
291 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
293 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
295 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
297 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
299 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
300 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
301 * configure, config.in: Regenerate.
302 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
303 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
304 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
305 (doprint.o): New rule.
307 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
309 * c-typeck.c (digest_init): Handle boolean types as scalars.
311 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
313 * stmt.c (expand_return): Don't return anything if size is zero.
314 Delete redundant assignment to BYTES.
315 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
317 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
319 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
320 the same as the default library function names.
321 * config/avr/avr.md: Document special characters after '%'.
322 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
323 knowing which of the call-used registers are really clobbered.
324 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
325 New. Both quotient and remainder from one libgcc.S call.
326 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
327 clobber as few registers as possible.
328 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
330 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
332 * cppmacro.c (funlike_invocation_p): Don't move back up to the
333 context of the top of the stack.
335 2001-01-20 Jakub Jelinek <jakub@redhat.com>
337 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
338 (fixup_var_refs_insns): ...here.
340 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
342 * function.c (fixup_var_refs_insns): Break up into
343 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
344 [loop over entire insn list], and fixup_var_refs_insns_with_hash
345 [loop over hash table entries].
346 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
347 fixup_var_refs_insns_with_hash, to match above changes.
349 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
351 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
352 (libgcc.a): Likewise.
353 (stmp-multilib): Likewise.
354 (STAGE2_FLAGS_TO_PASS): Likewise.
356 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
358 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
359 temporary if no_new_pseudos.
361 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
363 * cppinternals.texi: Update.
365 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
367 * arm.c (arm_init_builtins): Re-enable builtins.
369 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
371 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
372 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
373 element to be null, and always expect an EXPR_LIST.
374 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
375 * sched-deps.c (sched_analyze_1): Likewise.
376 * sched-rgn.c (check_live_1, update_live_1): Likewise.
378 * regclass.c (max_set_parallel): New variable.
379 (reg_scan): Take it into account in computation of max_parallel.
380 (reg_scan_mark_refs, case SET): Compute it.
382 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
384 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
385 * function.c (assign_parms): Use INTVAL for a CONST_INT.
387 2001-01-19 Jason Merrill <jason@redhat.com>
389 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
390 for the abstract instance of an inline function.
392 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
393 J"orn Rennecke <amylaar@redhat.com>
395 * reload1.c (move2add_note_store): Treat all registers directly or
396 indirectly derived from a base register as members of the same set
398 (reload_cse_move2add): Adjust accordingly. Take mode and offset
399 of base register into account.
401 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
403 * alias.c (find_base_value): Recognize TRUNCATE.
404 (record_set): In PLUS case, invalidate if other summand is also a
407 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
409 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
410 entry to be EXPR_LIST.
411 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
412 be an EXPR_LIST (but not null, which other code doesn't allow).
413 (note_stores): Properly handle PARALLEL in SET.
414 Recursively call for top-level PARALLEL.
415 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
416 * sched-rgn.c (check_live_1, update_live_1): Likewise.
418 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
420 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
422 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
423 not pfile->skipping (== 0).
425 2001-01-17 Nick Clifton <nickc@redhat.com>
427 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
430 2001-01-17 Jim Wilson <wilson@redhat.com>
432 * invoke.texi (IA-64 options): Improve.
434 2001-01-17 Tom Tromey <tromey@redhat.com>
436 * invoke.texi (Optimize Options): Use `{}' to around @samp
439 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
441 * invoke.texi (-fno-guess-branch-probability): New option.
443 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
445 * combine.c (try_combine): Don't set i3_subst_into_i2 for
446 case of making new double-word constant.
447 Revert last change: instead just test i3_subst_into_i2.
449 2001-01-17 Jakub Jelinek <jakub@redhat.com>
451 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
452 Use q constraints instead of r.
454 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
456 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
457 (machine_function): Define.
458 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
459 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
460 pa_free_machine_status): New functions.
461 (override_options): Set {init,mark,free}_machine_status to above.
462 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
463 PIC_OFFSET_TABLE_REGNUM_SAVED.
464 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
465 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
466 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
467 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
468 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
470 2001-01-15 DJ Delorie <dj@redhat.com>
472 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
476 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
478 * flow.c (propagate_on_insn): Make trying to delete a prologue
479 or epilogue insn an ICE, not a warning. Allow doing this if
480 the current function returns with stack pointer depressed.
482 * combine.c (try_combine): If i3_subst_into_i2, properly check for
483 I3 having more than one SET.
485 2001-01-16 Jim Wilson <wilson@redhat.com>
487 * invoke.texi: Document IA-64 options.
489 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
490 (fixup_errata): Delete TARGET_A_STEP use.
491 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
492 (TARGET_SWITCHES): Delete -ma-step option.
493 * config/ia64/ia64.md (all FP patterns): Delete %B0.
494 (movqicc_astep, movqi_internal_astep, movhicc_astep,
495 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
496 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
497 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
498 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
500 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
501 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
502 cmovsi_internal): Delete ! TARGET_A_STEP check.
504 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
506 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
507 possibility to report bugs via postal mail. Change a URL and
508 merge in a nearly duplicate statement...
509 (Bug Reporting): ...from here.
510 (Service): Refer to the Bug Reporting section instead of
512 (Contributing): Remove trivial explanations concerning snapshots.
514 2001-01-16 Alan Modra <alan@linuxcare.com.au>
516 * cppmain.c (general_init): Don't use ANSI prototype.
518 2001-01-16 Tom Tromey <tromey@redhat.com>
520 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
522 2001-01-16 Richard Henderson <rth@redhat.com>
524 * config/i386/i386.h: Fix comment typo.
525 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
526 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
528 2001-01-16 Phil Edwards <pme@sources.redhat.com>
530 * gcc.c: Revert previous -fsyntax-only-related change; move
533 2001-01-16 Jakub Jelinek <jakub@redhat.com>
535 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
536 inmode after checking GET_CODE (op).
538 2001-01-16 Richard Henderson <rth@redhat.com>
540 * flow.c (struct propagate_block_info): Add mem_set_list_len.
541 (MAX_MEM_SET_LIST_LEN): New.
542 (propagate_one_insn): Update mem_set_list_len.
543 (invalidate_mems_from_autoinc): Likewise.
544 (invalidate_mems_from_set): Likewise.
545 (mark_used_regs): Likewise.
546 (init_propagate_block_info): Likewise. Stop collecting memories
547 when we reach MAX_MEM_SET_LIST_LEN.
548 (mark_set_1): Likewise.
550 2001-01-16 Richard Henderson <rth@redhat.com>
552 * unroll.c (precondition_loop_p): Fail if no iteration
555 2001-01-16 Phil Edwards <pme@sources.redhat.com>
557 * gcc.c: When -fsyntax-only is given, do not complain about
560 2001-01-15 Richard Henderson <rth@redhat.com>
562 * config/i386/i386.c (asm_output_function_prefix): Remove.
563 (ix86_asm_file_end): New.
564 (load_pic_register): Generate pic_label_name into a
565 staticly allocated buffer.
566 * config/i386/i386-protos.h: Update.
567 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
569 * config/i386/i386afe.h: New file.
570 * config.gcc (i?86-*-elf) [tm_file]: Use it.
571 (i?86-*-{freebsd,linux*,moss*}): Likewise.
572 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
573 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
574 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
575 * config/i386/sco5.h (ASM_FILE_END): Likewise.
576 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
578 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
580 * Makefile.in (install-man): Remove explicit dependency on
583 * configure.in, configure: Revert previous patch requiring perl
586 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
588 * toplev.c (flag_guess_branch_prob): New.
589 (f_options): Add guess-branch-probability option.
590 (rest_of_decl_compilation): Only estimate branch probability if
592 (main): set flag_guess_branch_prob.
594 * flags.h (flag_guess_branch_prob): New.
596 2001-01-15 DJ Delorie <dj@redhat.com>
598 * gcc.texi (Makefile): Add documentation for Makefile targets.
600 2001-01-15 Philip Blundell <philb@gnu.org>
602 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
604 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
605 (is_pic): Delete declaration.
606 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
607 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
608 * config/arm/arm.md (builtin_setjmp_receiver): New.
610 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
612 * arm.c (use_return_insn): Don't try to determine the function type
613 until after reload has completed.
614 (arm_output_epilogue): Don't adjust the sp value recovered from the
616 (emit_multi_reg_push): Don't record dwarf information for the pc.
617 * arm.md (eh_epilogue): The function type may have changed, so it
618 needs to be recalculated.
619 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
620 unwind tables on arm/netbsd.
622 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
624 * arm.md (cbranchsi4): Correct calculation of branch ranges.
625 (negated_cbranchsi4): Likewise.
627 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
629 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
630 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
631 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
632 pass -mapcs-* options to assembler.
633 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
634 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
635 (ASM_SPEC): Call subtarget_extra_asm_spec.
637 2001-01-15 Andreas Jaeger <aj@suse.de>
639 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
641 (ix86_expand_builtin): Likewise.
643 * gencodes.c (output_predicate_decls): Make i size_t to avoid
644 warning about comparison between signed and unsigned.
646 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
648 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
650 2001-01-14 Ralf Baechle <ralf@gnu.org>
652 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
653 SUBTARGET_CPP_SPEC apropriatly.
655 2001-01-12 Mark Mitchell <mark@codesourcery.com>
657 * varasm.c (make_decl_rtl): Fix typo in last change.
659 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
661 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
662 linker supports the init_priority C++ attribute.
663 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
664 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
665 linker does not support init_priority C++ attribute.
667 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
669 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
671 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
673 * c-parse.in (finish_parse): Add comment about cpp_destroy.
674 * cp/lex.c (finish_parse): Similarly.
675 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
676 Return the number of errors encountered.
677 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
678 * cppmain.c (main): Don't call cpp_destroy.
680 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
682 * configure.in: Require at least perl 5.6.0 to regenerate
684 * configure: Regenerate.
686 2001-01-14 Richard Henderson <rth@redhat.com>
688 * genrecog.c (DT_veclen_ge): New.
689 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
690 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
691 (nodes_identical_1): Handle DT_veclen_ge.
692 (write_cond, debug_decision_2): Likewise.
694 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
696 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
698 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
700 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
702 * cppmain.c (do_preprocessing): New function; most of the old
704 (main): Call it to do most of the work.
705 (cb): Move from global scope to set_callbacks ().
706 (setup_callbacks): Get the callback pointer.
707 (general_init, printer_init): Clean up code and comments.
709 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
711 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
714 2001-01-14 Kazu Hirata <kazu@hxi.com>
716 * config/h8300/h8300.c (get_shift_alg): Update comments.
718 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
720 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
721 (alloc_page, ggc_alloc): Add casts to remove warnings.
723 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
725 * combine.c (simplify_comparison): Don't change `code' when
726 can't reverse comparison.
728 2001-01-14 Richard Henderson <rth@redhat.com>
730 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
731 update all call sites. Return true for all non-label constants.
733 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
735 * i386.c (ix86_expand_compare): Add bypass_test and second_test
737 (ix86_expand_branch): Update.
738 (ix86_expand_setcc): Update to handle multiple test conditions.
739 (expand_int_movcc): Likewise.
740 (expand_fp_movcc): Likewise.
741 * i386-protos.h (ix86_expand_compare): New.
742 * i386.md (andqi_?_slp, orqi_?_slp): New.
743 (conditional trap expander): Update call to ix86_expand_compare.
745 2001-01-14 Richard Henderson <rth@redhat.com>
747 * config/vax/vax.md: Use nonimmediate_operand instead of
748 general_operand in destinations.
750 * config/vax/vax.md (indirect_jump): Use register_operand.
752 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
753 * config/vax/vax.md (call_pop): Turn into an expander.
754 (call_value_pop): Likewise.
755 (call, call_value): New.
757 2001-01-14 Andreas Jaeger <aj@suse.de>
759 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
761 (ix86_fp_compare_mode): Add unused attribute.
762 (ix86_expand_fp_movcc): Remove unused variable.
763 (ix86_expand_builtin): Make fcode unsigned.
765 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
766 (expand_expr): Add cast to avoid signed warning.
767 (store_field): Likewise.
768 (store_constructor_field): Likewise.
769 (store_constructor): Likewise.
770 (store_expr): Likewise.
771 (clear_storage): Likewise.
772 (emit_group_store): Likewise.
773 (emit_group_load): Likewise.
775 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
777 * c-common.c: Move format checking code to ...
778 * c-format.c: ... here. New file. Reorder some functions and
780 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
782 * c-common.h (decl_handle_format_attribute,
783 decl_handle_format_arg_attribute): Declare.
784 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
785 (c-common.o): Adjust dependencies.
786 (c-format.o): New list of dependencies.
788 2001-01-13 Jakub Jelinek <jakub@redhat.com>
790 * unroll.c (loop_iterations): If we cannot prove iteration variable
791 is set once in each iteration, punt.
793 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
795 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
796 (*strlenhi): Remove clobber (which was buggy) of output address.
798 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
800 * Makefile.in (generated-manpages): Add gcc.1
801 ($(srcdir)/gcc.1): New target.
802 (maintainer-clean): Delete $(srcdir)/gcc.1.
803 * gcc.texi: Add macros @gccoptlist and @gol.
804 * invoke.texi: Include option summary in manpage. Mark up option
805 summary with @gccoptlist and @gol. Use @r in one place where
807 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
808 * gcc.1: Generate from invoke.texi.
810 2001-01-13 Richard Henderson <rth@redhat.com>
812 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
813 (struct page_entry): Add group member.
814 (struct page_group): New.
815 (struct globals): Add page_groups member.
816 (alloc_anon): Only define for using mmap; remove valloc call.
817 (page_group_index): New.
818 (set_page_group_in_use): New.
819 (clear_page_group_in_use): New.
820 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
821 (free_page, release_pages): Likewise.
822 * configure.in (with-gc): Default to ggc-page always.
824 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
826 * reload1.c (replace_pseudos_in_call_usage): Use
827 reg_equiv_constant and reg_equiv_address, and don't try
830 2001-01-13 Richard Henderson <rth@redhat.com>
832 * ggc-page.c (alloc_page): Round up allocation size to one page.
833 Set e->order on extra pages.
835 2001-01-13 Richard Henderson <rth@redhat.com>
837 * genrecog.c (nodes_identical): Expand commentary.
838 (write_switch): Watch out for identical nodes.
840 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
842 * cppfiles.c (_cpp_fake_include): New function.
843 * cpphash.h (_cpp_fake_include): New.
844 * cpplib.c (do_line): Call _cpp_fake_include when entering
845 header files in preprocessed input.
846 * cppmain.c (cb_pragma_implementation): Remove handling.
847 (setup_callbacks): Don't register pragmas.
849 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
851 * extend.texi: Udate for CPP.
853 2001-01-13 Andreas Jaeger <aj@suse.de>
855 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
857 * regmove.c: Add prototype for replace_in_call_usage.
859 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
861 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
862 struct cpp_chunk, struct htab, struct toklist,
863 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
864 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
865 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
866 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
867 (struct macro_args): Delete.
868 * cpphash.h: See above.
870 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
872 * cppmain.c (struct printer): Remove no_line_dirs.
874 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
875 : Use options rather than CPP_OPTION.
876 (setup_callbacks): Use cb rather than pfile->cb.
877 (main): No need to check for a buffer. Use cpp_errors.
878 (printer_init): Don't set no_line_dirs.
879 (maybe_print_line): Use options not no_line_dirs.
880 (cb_file_change): Don't call print_line if -P.
882 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
884 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
886 * c-parse.in (finish_parse): Use cpp_errors.
887 (__yylex): Use return value of cpp_pop_buffer.
888 * cp/lex.c (finish_parse): Use cpp_errors.
889 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
891 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
893 * README.AVR: URLs corrected.
895 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
897 * c-decl.c (start_function): Don't warn if old prototype is builtin
898 that's not in C's namespace.
899 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
900 (_bb): Add prototype for ctime.
901 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
903 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
905 * i386.c (ix86_fp_comparison_arithmetics_cost,
906 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
907 ix86_fp_comparison_cost): New functions.
908 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
909 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
910 two-branch sequences; make static.
911 (ix86_use_fcomi_compare): Do decision according to the costs.
912 (split_fp_branch): New.
913 * i386.md (compare-and-branch patterns): Use split_fp_branch.
914 * i386-protos.h (ix86_expand_fp_compare): Remove
915 (ix86_split_fp_branch): Declare.
917 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
918 and ix86_comparison_operator.
920 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
923 * i386.c (put_condition_code): Output properly the unordered/ordered
925 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
927 * tm.texi (REVERSE_CONDITION): Document.
928 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
930 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
932 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
934 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
936 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
939 * config/sh/sh.c (mova_p): Fix test for mova_const.
941 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
943 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
944 cpp_get_options rather than dereferencing pfile and using
946 * scan-decls.c (scan_decls): Use return value of
947 cpp_pop_buffer rather than CPP_BUFFER.
949 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
951 * cppinit.c (cpp_handle_option): help_only is now part of the
952 cpp_options structure.
953 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
954 cpp_set_callbacks): New functions.
955 * cpplib.h (cpp_callbacks): Break out as a named structure.
956 (cpp_options): Move help_only here from cpp_reader.
957 (CPP_FATAL_ERRORS): Update to use cpp_errors.
958 (cpp_errors, cpp_get_options, cpp_get_callbacks,
959 cpp_set_callbacks): New prototypes.
960 * cppmain.c (main): Update for help_only.
962 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
964 * Makefile.in (info, maintainer-clean, install-info, uninstall):
965 Also build and remove and install and uninstall c-tree.info and
967 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
968 ($(srcdir)/cppinternals.info): New target.
969 * c-tree.texi: Change file name used when makeinfo used without -o
970 from ir.info to c-tree.info. Add info directory entry.
971 * cppinternals.texi: Add info directory entry.
972 * .cvsignore: Update.
974 2001-01-12 Jakub Jelinek <jakub@redhat.com>
976 * c-typeck.c (store_init_value): Don't require constant initializer
977 elements with -pedantic -std=c99.
978 (digest_init): Change error about non-constant initializer elements
980 (constructor_range_end): Remove.
981 (constructor_incremental, designator_depth,
982 designator_errorneous): New variables.
983 (struct constructor_stack): Remove range_end, add incremental.
984 (struct constructor_range_stack, constructor_range_stack): New.
985 (struct initializer_stack): Add constructor_range_stack.
986 (finish_init): Set it.
987 (start_init): Likewise. require_constant_elements for non-static
988 trees only if not flag_isoc99.
989 (really_start_incremental_init): Remove constructor_range_end, add
990 constructor_incremental.
991 (pop_init_level): Likewise.
992 (push_init_level): Likewise. If implicit and the subobject had some
993 value set already, preinitialize the level with it.
994 Warn about missing braces only if not pushing due to designators.
995 (set_designator, push_range_stack): New functions.
996 (set_init_label): Use them.
997 (set_init_index): Likewise. Remove constructor_range_end.
998 Error if designator index is outside of array bounds.
999 (add_pending_init): Compare values of purpose index trees, not the
1000 trees themselves. Allow overwriting of already initialized element.
1001 Issue a warning if it had side-effects.
1002 (set_nonincremental_init, set_nonincremental_init_from_string): New
1004 (pending_init_member): Rename to...
1005 (find_init_member): ...this function. Call set_nonincremental_init
1006 if necessary. Compare values of purpose index trees, not the trees
1007 themselves. Return the actual value, not just non-zero if something
1009 (output_init_element): Remove checks for duplicates.
1010 If field has zero size, only check the initializer for correctness.
1011 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1012 if constructor_incremental is zero. Change error about initializers
1013 not computable at load time into pedwarn.
1014 (output_pending_init_elements): Compare bit positions, not
1015 FIELD_DECLs to take into account zero-sized fields.
1016 (process_init_element): Use constructor_range_stack to fill all
1017 ranges in the designator lists from current level up.
1018 * extend.texi: Update documentation for labeled elements.
1020 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1022 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1023 to function usage for arguments passed by reference. Optimize
1024 callee-copied arguments.
1025 * regmove.c (replace_in_call_usage): New function.
1026 (fixup_match_1): Call it.
1027 * cse.c (cse_insn): Canonicalize registers in function usage.
1028 * reload1.c (replace_pseudos_in_call_usage): New function.
1031 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1034 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1036 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1039 2001-01-12 DJ Delorie <dj@redhat.com>
1041 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1042 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1045 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1047 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1048 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1049 -std options alongside references to -ansi. Update some
1050 documentation for C99.
1051 * cpp.1: Regenerate.
1053 2001-01-12 Andreas Jaeger <aj@suse.de>
1055 * haifa-sched.c (restore_line_notes): Remove argument block B
1057 * sched-ebb.c (schedule_ebb): Change caller.
1058 * sched-rgn.c (schedule_region): Likewise.
1059 * sched-int.h (restore_line_notes): Adjust prototype.
1061 * loop.h: Remove wrong declaration of doloop_condition_get.
1063 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1065 * extend.texi: Move C++-extension-related node from the C section
1066 into the C++ section.
1068 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1070 * extend.texi: Refer to an array of pointers to functions instead
1071 of one of functions.
1073 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1074 Jan Hubicka <jh@suse.cz>
1076 * combine.c (reversed_comparison): Fix typo in last patch.
1078 (combine_reversed_comparison_code): Make static to follow
1079 prototype declaration.
1081 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1083 * install.texi: Remove misplaced duplicate entry.
1085 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1087 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1089 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1091 * final.c: (leaf_function_p): Fix typo.
1093 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1095 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1096 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1098 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1099 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1100 mmap_anon, and valloc is available.
1101 * ggc-page.c: Restructure ifdef logic to match new autoconf
1102 spec. Don't throw away the test page in init_ggc.
1104 * configure, config.in: Regenerate.
1106 2001-01-12 Michael Hayes <mhayes@redhat.com>
1108 * loop.h (total_biv_increment): Constify iv_class pointer.
1109 (struct induction): Replace `mem_mode' with `mem' rtx.
1110 * unroll.c (total_biv_increment): Constify iv_class pointer.
1111 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1112 (find_mem_givs, combine_givs_p): Likewise.
1113 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1115 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1117 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1119 (__gthread_getspecific): Ditto.
1121 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1123 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1124 put_condition_code): Convert fp comparison codes to integer
1126 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1129 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1130 * i386-protos.h (no_comparison_operator): Kill.
1132 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1134 * combine.c (REVERSIBLE_CC_MODE): Remove.
1135 (reversible_comparison_p): Remove.
1136 (combine_reversed_comparison_code): New.
1137 (reversed_comparison): New.
1138 (combine_simplify_rtx): Use
1139 combine_reversed_comparison_code/reversed_comparison instead
1140 of reversible_comparison_p.
1141 (simplify_if_then_else): Likewise.
1142 (simplify_set): Likewise.
1143 (simplify_logical): Likewise.
1144 (if_then_else_cond): Likewise.
1145 (known_cond): Likewise.
1146 (simplify_comparison): Likewise.
1148 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1150 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1151 sizeof (int) is larger than sizeof(__word__).
1153 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1155 * cppinit.c (do_includes): Fix typo.
1157 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1159 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1160 in S_REGS does not occur because not all sources are possible
1161 when a S_REGS is a destination (sometimes needs a clobber).
1162 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1163 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1164 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1165 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1166 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1167 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1168 (lshrdi_const1, lshrsi3_const16): Likewise.
1169 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1170 (*movhi_68hc12, *movqi_68hc12): Likewise.
1171 (movstrictqi): Make sure reloading in D_REGS as a destination
1174 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1176 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1178 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1180 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1181 -D, -U and -A, and don't initialize the builtins.
1182 (do_includes): Error if -include or -imacros with -fpreprocessed.
1183 * cppmain.c (cb_define, cb_undef): Unconditionally process
1185 * tradcpp.c (main): Fix typo.
1187 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1189 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1190 (read_name_map): Use IS_ABSOLUTE_PATH.
1191 * tradcpp.c (get_filename): Likewise.
1193 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1195 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1196 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1197 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1198 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1199 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1200 (cmphi_z_used): Don't use '@' for the output.
1201 (tstqi_z_used): Likewise.
1202 (cmpqi_z_used): Likewise.
1203 (one_cmplsi2): Likewise.
1205 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1207 * config/sh/sh.c (barrier_align): Recognize branch around far
1208 branch and redundant insn.
1210 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1212 * invoke.texi: Restore documentation of the drivers' switches -MD
1215 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1217 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1219 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1220 check-objc//%): Support parallel testing of multilibs.
1221 (TESTSUITEDIR): Set to testsuite by default, but override for
1223 (check-gcc, check-g++, check-g77, check-objc): Enter
1226 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1228 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1229 * sched-deps.c (deps_may_trap_p): Likewise.
1230 * basic-block.h: Remove a comment.
1231 * flow.c (PROP_POSTRELOAD): Remove.
1232 (update_life_info): Don't add it to prop_flags.
1233 (mark_set_1): Lose the code that was enabled by it.
1235 2001-01-11 Michael Hayes <mhayes@redhat.com>
1237 * flow.c (flow_call_edges_add): New.
1238 * basic_block.h (flow_call_edges_add): New.
1240 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1242 * reload1.c (move2add_note_store): Update reg_set_luid even if
1243 base reg remains the same.
1245 2001-01-10 Nick Clifton <nickc@redhat.com>
1247 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1248 machine_function structure to zero.
1249 Add prototypes for machine_status functions.
1251 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1253 * c-common.h (CTI_VOID_LIST): Remove.
1254 (void_list_node): Likewise.
1255 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1256 (void_list_node): New macro.
1257 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1258 * config/i386/i386.c (ix86_init_builtins): Likewise.
1259 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1261 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1263 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1264 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1266 * tradcpp.c: Include mkdeps.h.
1267 (deps, print_deps_phony_targets, deps_append, output_deps,
1268 init_dependency_output, output_deps): New.
1269 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1270 deps_output): Delete.
1271 (print_deps_missing_files): Rename deps_missing_files.
1272 (inhibit_output): Make global.
1273 (main): Delete inhibit_output, deps_stream, deps_target.
1274 Use mkdeps functionality in the same way as cpplib. Remove
1275 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1276 -M and -MM. Remove old handling of deps via deps_out, and
1277 old reading of environment variables.
1278 (get_filename): Update to use deps_add_dep.
1280 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1282 * output.h (make_function_rtl): Remove prototype.
1283 (make_decl_rtl): Likewise.
1284 * varasm.c (make_function_rtl): Remove.
1285 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1286 than from a third parameter.
1287 * tree.h (make_decl_rtl): Remove last parameter.
1288 * c-decl.c (builtin_function): Remove last argument in call to
1289 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1290 (start_function): Likewise.
1291 * except.c (call_get_eh_context): Likewise.
1292 * expr.c (emit_block_move): Likewise.
1293 (clear_storage): Likewise.
1294 * profile.c (output_func_start_profiler): Likewise.
1295 * toplev.c (rest_of_decl_compilation): Likewise.
1296 * objc/objc-act.c (create_builtin_decl): Likewise.
1297 (synth_module_prologue): Likewise.
1298 (generate_static_reference): Likewise.
1299 (build_selector_reference_decl): Likewise.
1300 (build_class_reference_decl): Likewise.
1301 (build_objc_string_decl): Likewise.
1302 (build_protocol_reference): Likewise.
1304 2001-01-10 Richard Henderson <rth@redhat.com>
1306 * hwint.h: Revert yesterday's change.
1308 2001-01-10 Nick Clifton <nickc@redhat.com>
1310 * function.h (save_machine_status): Delete.
1311 (restore_machine_status): Delete.
1312 Amend comment describing {init|mark|free}_machine_status.
1314 * function.c (save_machine_status): Delete.
1315 (restore_machine_status): Delete.
1316 Amend comment describing {init|mark|free}_machine_status.
1317 (push_function_context_to): Remove invocation of
1318 save_machine_status.
1319 (pop_function_context_from): Remove invocation of
1320 restore_machine_status.
1322 * emit-rtl.c (init_emit_once): Amend comment describing
1323 {init|mark|free}_machine_status.
1325 * tm.texi (Per-Function Data): New node. Describe the
1326 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1329 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1331 * cppinit.c (OPT_g): Remove.
1332 (cpp_handle_option): Update for removed -g3.
1333 (print_help): Update.
1334 * cpplib.h (struct cpp_options): Remove debug_output.
1335 * cppmain.c (setup_callbacks, cb_define): Update.
1336 * gcc.c (cpp_options): Translate -g3 to -dD.
1338 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1340 * config/i960/i960.md: Change modifier to + on the zero_extract
1341 pattern after the (rotate -2 reg) canonicalization pattern.
1343 2001-01-10 Richard Henderson <rth@redhat.com>
1345 * config/alpha/alpha.c (alpha_free_machine_status): New.
1346 (override_options): Install it.
1347 (alpha_mark_machine_status): Verify machine non-null.
1348 * config/i386/i386.c (ix86_free_machine_status): New.
1349 (override_options): Install it.
1350 (ix86_init_machine_status): Use xcalloc.
1351 (ix86_mark_machine_status): Verify machine non-null.
1352 * config/ia64/ia64.c (ia64_free_machine_status): New.
1353 (ia64_override_options): Install it.
1354 (ia64_mark_machine_status): Verify machine non-null.
1356 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1358 * function.c (instantiate_virtual_regs): Instantiate virtual
1359 registers found in CALL_INSN_FUNCTION_USAGE.
1361 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1363 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1364 equivalent to -ansi in disabling -Di386.
1366 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1368 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1370 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1372 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1374 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1376 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1378 * invoke.texi: Document that -fcond-mismatch isn't supported for
1381 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1383 * gcc.texi: Define macro gcctabopt.
1384 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1385 @command, @env and @option in some places where appropriate. Use
1386 @gcctabopt where appropriate. Put URLs and email addresses inside
1389 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1391 * gcc.c (cpp_options): Set MD file name from output
1392 filename, if specified.
1393 (suffix_subst): New static variable.
1394 (do_spec): Clear it.
1395 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1397 (give_switch): Handle suffix_subst.
1399 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1401 * invoke.texi: Fix another typo.
1403 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1405 * invoke.texi: Fix typo.
1407 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1409 * c-lang.c (lang_hooks): Update.
1410 (lang_decode_option): Remove.
1411 (lang_init_options): Rename c_init_options.
1412 * toplev.c (main): Use lang_hooks for lang_init_options
1413 and lang_decode_option.
1414 * toplev.h (lang_hooks): Add 2 new hooks.
1415 * tree.h: Remove lang_init_options and lang_decode_option.
1416 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1417 * cp/decl2.c: Similarly.
1418 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1419 (lang_hooks): Update.
1420 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1422 (lang_init_options): Rename ffe_init_options.
1423 (lang_hooks): Update.
1424 (lang_decode_option): Remove.
1425 * java/lang.c (lang_init_options): Rename java_init_options.
1426 (lang_decode_option): Rename java_decode_option.
1427 (lang_hooks): Update.
1428 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1429 (lang_decode_option): Rename objc_decode_option.
1430 (lang_hooks): Update.
1432 2001-01-09 Nick Clifton <nickc@redhat.com>
1434 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1435 (d30v_return_addr_rtx): Delete.
1436 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1437 cfun->machine structure.
1438 (struct machine_function): Move to d30v.h
1439 (d30v_save_machine_status): Delete.
1440 (d30v_restore_machine_status): Delete.
1441 (d30v_init_machine_status): New Function.
1442 (d30v_mark_machine_status): New Function.
1443 (d30v_free_machine_status): New Function.
1444 (d30v_init_expanders): Use new functions.
1445 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1446 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1447 d30v_return_addr_rtx.
1449 * config/d30v/d30v.h (struct_machine): Move here.
1450 Add eh_epilogue_sp_ofs field.
1452 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1453 field in cfun->machine structure.
1455 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1457 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1458 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1459 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1461 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1463 * objc/lang-options.h: Remove bogus reference to
1466 2001-01-09 Kazu Hirata <kazu@hxi.com>
1468 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1471 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1473 * reload.c (find_reloads_address): Check for eliminable registers
1474 when substituting a constant expression for a pseudo.
1476 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1478 * c-common.c (enum format_type): Add format_type_error.
1479 (decode_format_type): New function.
1480 (decl_attributes): Use it.
1481 (format_kind_info): Adjust comment.
1483 2001-01-09 David O'Brien <obrien@BSDi.com>
1485 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1486 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1488 * config/i386/gnu.h: Don't include required platform specific .h files,
1489 tm.h will do it instead.
1490 * config/i386/i386elf.h: Likewise.
1491 * config/i386/linux.h: Likewise.
1492 * config/i386/moss.h: Likewise.
1493 * config/mips/gnu.h: Likewise.
1495 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1497 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1498 (rs6000-ibm-aix3.[01]*): Likewise.
1499 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1500 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1501 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1502 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1503 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1504 (powerpc-*-eabiaix*): Likewise.
1505 (powerpc-*-eabisim*): Likewise.
1506 (powerpc-*-elf*): Likewise.
1507 (powerpc-*-eabi*): Likewise.
1508 (powerpc-*-rtems*): Likewise.
1509 (powerpc-*-linux*libc1): Likewise.
1510 (powerpc-*-linux*): Likewise.
1511 (powerpc-wrs-vxworks*): Likewise.
1512 (powerpcle-wrs-vxworks*): Likewise.
1513 (powerpcle-*-sysv*): Likewise.
1514 (powerpcle-*-elf*): Likewise.
1515 (powerpcle-*-eabisim*): Likewise.
1516 (powerpcle-*-eabi*): Likewise.
1517 (powerpcle-*-solaris2*): Likewise.
1518 * config/rs6000/aix31.h: Delete includes.
1519 * config/rs6000/aix3newas.h: Likewise.
1520 * config/rs6000/aix41.h: Likewise.
1521 * config/rs6000/aix43.h: Likewise.
1522 * config/rs6000/beos.h: Likewise.
1523 * config/rs6000/rtems.h: Likewise.
1524 * config/rs6000/sysv4.h: Likewise.
1526 2001-01-09 Kazu Hirata <kazu@hxi.com>
1528 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1529 Change an argument mode of machine_mode to shift_mode of
1530 shift_mode. Remove an extra error check.
1531 (emit_a_shift): Adopt to the new calling prototype of
1533 (function_prologue): Fix code for a monitor
1534 function. Support H8/S.
1535 (function_epilogue): Do not output pop for a monitor function.
1537 2001-01-09 Nick Clifton <nickc@redhat.com>
1539 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1540 (setup_incoming_varargs): Use sysv_varargs_p field of the
1541 cfun->machine structure.
1542 (struct machine_function): Move to rs6000.h
1543 (rs6000_save_machine_status): Delete.
1544 (rs6000_restore_machine_status): Delete.
1545 (rs6000_init_machine_status): New Function.
1546 (rs6000_free_machine_status): New Function.
1547 (rs6000_init_expanders): Use new functions.
1549 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1551 (struct machine_function): Move here.
1553 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1554 sysv_varargs_p field of the cfun->machine structure.
1556 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1558 (rs6000_restore_machine_status): Remove prototype.
1560 2001-01-09 Richard Henderson <rth@redhat.com>
1562 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1563 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1564 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1565 (sched_analyze_2, sched_analyze_insn): Likewise.
1566 (sched_analyze, init_deps): Likewise.
1567 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1568 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1569 (compute_block_backward_dependences): Update propagate_deps call.
1571 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1573 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1575 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1577 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1578 (cpp_handle_option): Handle them.
1579 (cpp_post_options): Ensure one of -M or -MM is specified with
1580 any other -M? option.
1581 (init_dependency_output): Suppress output with -MG.
1583 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1586 * invoke.texi: Update.
1588 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1590 * sh.md (reload_outsf): Generate recognizable patterns for
1593 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1595 * c-lang.c (lang_hooks): Update.
1596 (lang_init): Rename c_init.
1597 (lang_finish): Remove.
1598 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1600 * toplev.h (lang_hooks): Add init () and finish ().
1601 * tree.h (lang_init, lang_finish): Remove.
1602 * cp/tree.h (lang_init, lang_finish): Remove.
1603 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1604 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1606 (lang_init, lang_finish): Remove.
1607 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1608 (lang_hooks): Update.
1609 * java/lang.c (lang_init): Rename java_init.
1610 (lang_finish): Remove.
1611 (lang_hooks): Update.
1612 * objc/objc-act.c (lang_init): Rename objc_init.
1613 (lang_finish): Remove.
1614 (lang_hoooks): Update.
1616 20001-01-09 Graham Stott <grahams@redhat.com>
1618 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1619 after `ptr` is initialised.
1621 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1623 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1624 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1625 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1626 stack adjusts, instead of r3.
1628 2001-01-09 Michael Hayes <mhayes@redhat.com>
1630 * flow.c (flow_loop_scan): Break out of ...
1631 (flow_loops_find) ... here.
1632 * basic-block.h (flow_loop_scan): New.
1633 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1634 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1636 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1638 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1640 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1641 realloc()ing macro_buffer.
1643 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1644 if it's wider than long and the target's long is wider than the
1647 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1649 Remove support for using UWIN as a host machine.
1650 * configure.in: Issue an error message.
1651 * configure: Regenerated.
1652 * config.gcc: Remove xm_* UWIN configury.
1653 * config/i386/xm-uwin.h: Remove.
1655 2001-01-08 Nick Clifton <nickc@redhat.com>
1657 * config/v850/v850.c (ra_rtx): Delete.
1658 (v850_save_machine_status): Delete.
1659 (v850_restore_machine_status): Delete.
1660 (v850_init_machine_status): New function.
1661 (v850_mark_machine_status): New function.
1662 (v850_free_machine_status): New function.
1663 (v850_return_addr): Use ra_rtx field in machine structure.
1664 (v850_init_expanders): Use new functions.
1666 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1667 * config/v850/v850.c: Change arguments to v850_output+* functions
1668 to take a const char *, to avoid compile time warning.
1669 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1670 (USER_LABEL_PREFIX): Redefine.
1672 2000-01-08 Jim Wilson <wilson@redhat.com>
1674 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1675 1 to unsigned HOST_WIDE_INT before left shift.
1677 2001-01-08 Nick Clifton <nickc@redhat.com>
1679 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1680 the machine structure has been allocated.
1681 (arm_free_machine_status): New function: Free the machine
1682 specific function structure.
1684 2001-01-08 Richard Henderson <rth@redhat.com>
1686 * jump.c (simplejump_p): Revert last change.
1688 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1690 * cppinit.c (init): Rename init_library.
1691 (cpp_create_reader): Update.
1692 * gcc.c (cpp_options): If -o given, use it as the target of
1695 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1697 * arm.c (arm_arch5e): New variable.
1698 (all_cores): XScale is a 5TE device.
1699 (arm_override_options): Set arm_arch5e.
1700 (arm_init_builtins): __builtin_prefetch is in arch5e.
1701 * arm.h (arm_arch5e): Declare it.
1703 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1705 * arm.md (define_constants): Add defines for UNSPEC and
1706 UNSPEC_VOLATILE insns. Update all users.
1707 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1708 * arm.c (multi_register_push, note_invalid_constants)
1709 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1710 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1711 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1713 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1715 * jump.c (jump_optimize_1): Use reversed_comparison_code
1716 instead of can_reverse_comparison_p.
1717 (jump_back_p): Likewise.
1718 (invert_exp_1): Likewise.
1719 (thread_jumps): Likewise.
1720 * simplify-rtx.c (simplify_unary_operation): Likewise.
1721 (simplify_ternary_operation): Likewise.
1722 * cse.c (find_comparison_args): Convert to use
1723 can_reverse_comparison_p.
1724 (record_jump_equiv): Likewise.
1726 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1728 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1729 (EPILOGUE_USES): Define.
1730 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1731 automatically stack the LR if it isn't live.
1733 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1735 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1738 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1740 * ggc-page.c (max_alignment): New structure.
1741 (MAX_ALIGNMENT): New macro.
1742 (init_ggc): Use it to round up the sizes in the
1743 extra_order_size_table.
1745 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1747 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1750 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1752 * builtins.def (BUILT_IN_FPRINTF): New entry.
1754 * c-common.c (c_expand_builtin_fprintf): New function.
1755 (init_function_format_info): Handle __builtin_fprintf.
1756 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1757 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1759 * c-decl.c (duplicate_decls): Adjust comment.
1761 * extend.texi (fprintf): Document new builtin.
1763 2001-01-07 Richard Henderson <rth@redhat.com>
1765 * jump.c (simplejump_p): Recognize any single_set jump
1768 2001-01-07 Richard Henderson <rth@redhat.com>
1770 * configure.in (slibdir): Accept an --with-slibdir option.
1771 Use "test" not "[" in configure. Default to $(libdir).
1773 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1775 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1776 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1777 (SHLIB_LINK): Create links for the soname.
1778 * config/mips/t-iris6: Likewise.
1779 * config/sparc/t-slibgcc: Likewise.
1780 * config/sparc/t-slibgcc-sld: Likewise.
1782 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1784 * config/i386/i386.c (constant_call_address_operand): Accept
1785 (const (plus (symbol_ref) (const_int))).
1786 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1787 constant_call_address_operand.
1789 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1791 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1792 and LONG_LONG_TYPE_SIZE > 32.
1794 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1796 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1797 the previous change.
1799 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1801 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1803 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1804 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1805 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1808 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1810 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1812 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1814 * c-lang.c (c_post_options): Call cpp_post_options.
1815 * objc/objc-act.c (objc_post_options): Similarly.
1816 * cppmain.c (main): Similarly.
1817 * fix-header.c (read_scan_file): Similarly.
1818 * cppinit.c (cpp_start_read): Move option consistency checks
1819 to cpp_post_options. Don't call init_dependency_output.
1820 If needed, add default target and main file dependency.
1821 (OPT_MD, OPT_MMD): Remove.
1823 (cpp_handle_option): Update for OPT_* changes.
1824 (cpp_post_options): New.
1825 (init_dependency_output): Command line -MF overrides environment
1826 variables. Don't set default target etc. Suppress output
1827 if dependencies are going to stdout.
1828 (print_help): Update.
1829 * cpplib.h (cpp_post_options): New.
1830 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1832 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1834 * jump.c (comparison_dominates_p): Support unordered compares.
1836 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1838 * simplify-rtx.c (simplify_relational_operation): Always simplify
1839 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1842 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1844 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1845 (nonzero_bits): Likewise.
1846 (simplify_comparison): Likewise.
1847 (num_sign_bit_copies): Likewise; return more sane value depending
1848 on STORE_FLAG_VALUE.
1849 (known_cond): Do not assume EQ to be always true for equivalent
1852 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1854 * cse.c (fold_rtx): Handle unordered comparisons.
1856 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1858 * rtlanal.c (set_of_1): New static function.
1859 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1860 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1861 reg_set_last_last_regno): Remove.
1862 (set_of): New global function.
1863 (set_of_data): New structure.
1864 (reg_set_p, reg_set_last): Revamp for set_of.
1865 * rtl.h (set_of): New.
1867 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1869 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1870 * extend.texi: Document _Exit builtin.
1872 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1874 * (initialize, initialize_builtins,
1875 initialize_dependency_output, initialize_standard_includes):
1876 Rename s/initialize/init. Update.
1877 (init_dependency_output): Move to after
1878 cpp_handle_options, the correct location temporally at least.
1879 (opt_comp): Move next to init (), its caller. Fix prototype.
1880 (init): Make "initialized" local scope.
1881 (cpp_create_reader): Always call init ().
1882 (cpp_start_read): Update.
1883 (output_deps): New function, broken out of cpp_finish.
1884 (cpp_finish): Break out output_deps.
1886 2001-01-07 Richard Henderson <rth@redhat.com>
1888 * collect2.c (COFF specific stuff): Revert 12-06 patch
1889 to prototype system functions.
1891 2001-01-07 Michael Hayes <mhayes@redhat.com>
1893 * hard-reg-set.h: Add multiple include guard.
1894 * basic-block.h (struct loop): Add `sink' field.
1895 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1896 (emit_iv_add_mult): Delete.
1897 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1898 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1899 (unroll_loop): Remove end_insert_before argument.
1900 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1901 (maybe_eliminate_biv_1): Likewise.
1902 (emit_iv_add_mult): Delete.
1903 (gen_add_mult, loop_regs_update): New.
1904 (loop_insn_emit_after, loop_insn_emit_before): New.
1905 (loop_insn_sink, loop_insn_sink_or_swim): New.
1906 (emit_iv_add_mult): Delete.
1907 (scan_loop): Set loop->sink.
1908 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1909 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1910 (maybe_eliminate_biv_1): Likewise.
1911 (maybe_eliminate_biv_1): Add basic block argument.
1912 * unroll.c (unroll_loop): Remove end_insert_before argument.
1913 (find_splittable_regs): Likewise.
1914 (find_splittable_regs): Use loop_insn_sink and its ilk.
1915 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1917 2001-01-07 Michael Hayes <mhayes@redhat.com>
1919 * loop.h (loop_insn_hoist): New prototype.
1920 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1921 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1922 (check_dbra_loop, load_mems): Likewise.
1923 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1924 (find_splittable_givs): Likewise.
1926 2001-01-07 Michael Hayes <mhayes@redhat.com>
1928 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1930 2001-01-07 Richard Henderson <rth@redhat.com>
1932 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1934 2001-01-07 Richard Henderson <rth@redhat.com>
1936 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1937 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1938 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1939 variant that handles a shared libgcc.
1940 (process_command): Always validate -{static,shared}-libgcc.
1941 (do_spec_1): New 'M' case.
1942 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1944 2001-01-07 Richard Henderson <rth@redhat.com>
1946 * Makefile.in (slibdir): New variable.
1947 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1948 (installdirs): Create slibdir.
1949 (install-libgcc, install-multilib): Defer to libgcc.mk.
1950 * configure.in (slibdir): Substitute.
1951 * mklibgcc.in (install): New target.
1953 * config/t-linux (SHLIB_LINK): Create links for the soname.
1954 (SHLIB_INSTALL): New.
1955 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1956 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1957 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1958 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1959 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1961 2001-01-07 Richard Henderson <rth@redhat.com>
1963 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1964 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1965 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1967 2001-01-07 Michael Hayes <mhayes@redhat.com>
1969 * loop.c (count_loop_regs_set): Delete.
1970 (load_mems_and_recount_loop_regs_set): Delete.
1971 (loop_regs_scan): Merge common code from count_loop_regs_set,
1972 scan_loop, and load_mems_and_recount_loop_regs_set.
1973 (scan_loop): Call load_mems directly and loop_regs_scan
1974 again if new registers created.
1976 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1978 * toplev.c (main): Call the front-end specific post_options
1979 hook if one is given.
1980 * toplev.h (struct_lang_hooks, lang_hooks): New.
1981 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1982 for the C front end.
1983 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1984 lang_hooks for the C++ front end.
1985 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1986 lang_hooks for the ObjC front end.
1987 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1988 * java/lang.c (lang_hooks): Hooks for the Java front end.
1990 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1992 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1993 for verbose DWARF[2] debugging.
1994 (cb_define, cb_undef): The new callbacks.
1995 * toplev.h (debug_define, debug_undef): Make const correct.
1996 * toplev.c (debug_define, debug_undef): Similarly. Do not
1997 perform the verbosity tests here anymore.
1999 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2001 * reload.c (subst_reloads): Take INSN argument. When
2002 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2003 * reload.h (subst_reloads): Adjust prototype.
2004 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2005 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2006 present in JUMP_INSNs and copy them to JUMP_LABEL.
2007 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2008 JUMP_INSNs and insns with REG_LABELs that are followed by
2009 JUMP_INSNs with the same REG_LABEL.
2010 * sched-rgn.c (is_cfg_nonregular): Likewise.
2011 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2013 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2015 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2017 2001-01-06 Richard Henderson <rth@redhat.com>
2019 * loop.c (scan_loop): Use xcalloc for the regs array.
2020 (load_mems_and_recount_loop_regs_set): Zero the new memory
2021 received from xrealloc.
2023 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2025 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2027 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2029 * integrate.c (copy_rtx_and_substitute): When copying
2030 an ignored return value, strip REG_FUNCTION_VALUE_P.
2032 2001-01-06 Michael Hayes <mhayes@redhat.com>
2034 * loop.c (debug_biv, debug_giv): New.
2035 (loop_biv_dump): Break out from ...
2036 (record_biv): ... here.
2037 (loop_giv_dump): Break out from ...
2038 (record_giv): ... here.
2039 (loop_bivs_check): Use print_simple_rtl.
2040 * unroll.c (loop_iterations): Use print_simple_rtl.
2042 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2044 * pa.md (return, return_internal): Modify patterns to prevent regrename
2045 mucking with the return pointer.
2047 2001-01-05 Richard Henderson <rth@redhat.com>
2049 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2051 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2053 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2054 version supplied by Matteo Frigo.
2056 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2058 * cpp.texi: Update for -MQ.
2059 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2060 (cpp_cleanup): Always free pfile->deps.
2061 (initialize_dependency_output): Don't create pfile->deps.
2062 (cpp_handle_option): Similarly.
2064 * gcc.c (cpp_options): Handle -MQ.
2065 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2066 * mkdeps.c (base_name): Remove.
2067 (deps_init): Don't allocate vector space until it's needed.
2068 (deps_free): Only free vectors if allocated.
2069 (deps_add_target, deps_add_dep): Update for initial allocation.
2070 (deps_add_default_target): Don't strip to the base_name.
2072 2001-01-05 DJ Delorie <dj@redhat.com>
2074 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2075 (INIT_EXPANDERS): Define.
2077 * config/v850/v850.c (struct machine_function): Define.
2078 (v850_save_machine_status): New function.
2079 (v850_restore_machine_status): New function.
2080 (v850_return_addr): New function.
2081 (v850_init_expanders): New function.
2083 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2084 and v850_init_expanders.
2086 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2088 * cpplib.h (struct cpp_reader): Add help_only field.
2089 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2090 (cpp_handle_option): Set pfile->help_only if we see -h,
2091 --help, -target-help, or --version. Print version string but
2092 do not set help_only if we see -v or -version. Make text
2093 printed by -v match that printed by (-)-version.
2095 * cppmain.c (main): Exit after option parsing if
2096 pfile->help_only is true.
2098 * toplev.c (independent_decode_option): Call print_version,
2099 then exit, if we see --version (but not -version).
2100 (print_version): Split lengthy message into two lines.
2102 2001-01-05 Nick Clifton <nickc@redhat.com>
2104 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2105 temporary string for initialisation before calling ggc_alloc_string.
2107 2001-01-06 Michael Hayes <mhayes@redhat.com>
2109 * rtl.h (print_simple_rtl): New.
2110 * print-rtl.c (print_simple_rtl): New.
2112 (print_rtx): Disable printing of flags and modes, etc.,
2113 if `flag_simple` nonzero.
2115 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2117 * function.c (fixup_var_refs): Use push_to_full_sequence where
2120 2001-01-05 Michael Meissner <meissner@redhat.com>
2122 * flags.h (flag_reorder_blocks): Add declaration.
2123 (flag_rename_block): Ditto.
2125 2001-01-05 DJ Delorie <dj@redhat.com>
2127 * function.c (reorder_blocks): Make sure the flags are all reset
2128 before using them to mark blocks, else a second invocation will
2129 corrupt the block chain.
2130 (reorder_blocks_0): New, resets the flags.
2132 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2134 * cse.c (find_comparison_args): Stop if the argument is known to
2137 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2139 * config/sh/sh.md (movdf): When splitting load into pair of
2140 registers, don't clobber the register used in the address too
2143 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2145 * varasm.c (mark_constant_pool): Improve initial comments.
2146 (mark_constants): Move marking of constants to mark_constant.
2147 (mark_constant): New function to recursively mark all constants
2148 referred to by a constant.
2150 2001-01-05 Catherine Moore <clm@redhat.com>
2152 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2154 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2156 * cp/lang-options.h: Bring comment in line with reality.
2157 * f/lang-options.h: Likewise.
2158 * java/lang-options.h: Likewise.
2159 * objc/lang-options.h: Likewise.
2160 * ch/lang-options.h: Likewise.
2161 * f/g77.texi: And update the manual.
2163 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2164 Denis Chertykov <denisc@overta.ru>
2166 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2167 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2168 * config/avr/avr.md (all peepholes that request a scratch register):
2169 Call it, FAIL the peephole if not safe (in interrupt functions).
2171 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2173 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2175 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2177 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2179 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2180 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2181 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2182 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2183 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2185 * extend.texi: Document these builtins.
2187 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2189 * c-common.c (lang_get_alias_set): Say we know nothing of
2190 VECTOR_TYPE aliasing.
2192 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2194 2001-01-05 Bruce Korb <bkorb@gnu.org>
2196 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2197 their x* equivalent versions for atexit-less systems
2198 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2199 systems (or any other system any more).
2201 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2203 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2204 output operands. Use arm_hard_register_operand for operand 4.
2205 (stmsi_postinc): Similarly.
2206 (ldmsi): Use arm_hard_register_operand for opernand 2.
2208 * arm.c (arm_hard_register_operand): New function.
2209 * arm-protos.h (arm_hard_register_operand): Prototype it.
2211 * arm.h (HARD_REGNO_RENAME_OK): Define.
2213 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2215 * simplify-rtx.c (cfc_args): add "unordered" field.
2216 (check_fold_consts): Set unordered field.
2217 (simplify_relational_operation): Simplify the unordered
2220 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2223 * emit-rtl.c (try_split): Fix code to mark labels.
2224 * jump.c (mark_jump_label): Make global.
2225 * rtl.h (mark_jump_label): Declare.
2227 * predict.c (estimate_probability): Handle unordred comparisons.
2229 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2231 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2232 * cppinit.c (initialize_dependency_output): Update.
2233 (cpp_finish): Output dummy targets for -MP.
2235 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2236 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2237 * gcc.c (cpp_options): Update to handle -MP.
2238 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2239 to quote only the default target.
2240 (deps_phony_targets): Insert a preceding newline. Rename from
2241 deps_dummy_targets for consistency.
2244 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2246 * calls.c (emit_library_call_value_1): Support
2247 INIT_CUMULATIVE_LIBCALL_ARGS.
2248 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2250 2001-01-04 Richard Henderson <rth@redhat.com>
2252 * c-decl.c (finish_struct): Detect flexible array members
2253 used in an inappropriate context.
2254 * c-typeck.c (really_start_incremental_init): Special case
2255 constructor_max_index for zero length arrays.
2256 (pop_init_level): Allow initialization of flexible array
2257 members. Deprecate initialization of zero length arrays.
2258 Don't issue missing initializer warning for flexible array
2259 members or zero length arrays.
2260 (process_init_element): Don't dereference null DECL_SIZE.
2261 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2262 Don't abort for empty constructors. Use size_binop
2263 (output_constructor): Add commentary regarding zero length
2264 array futures. Abort if we try to initialize an array of
2265 unspecified length with a non-empty constructor in the middle
2268 * extend.texi (Zero Length): Update and clarify documentation
2269 on static initialization.
2271 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2273 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2274 with more than 32767 words of local storage.
2276 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2278 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2279 for 'abs', 'labs', and 'fabs'.
2280 (c4x_expand_builtin): Likewise.
2281 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2283 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2285 * config/sh/sh.md (prget, prset): New insn types.
2286 (return delay slot): Dont' allow prset.
2287 (call, sfunc delay slot): Don't allow prget.
2288 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2289 for prset and prget.
2291 2001-01-05 Michael Hayes <mhayes@redhat.com>
2293 * loop.h (struct loop_reg): New.
2294 (struct loop_regs): Change to use array of `struct loop_reg'.
2295 * loop.c: Replace assortment of varrays with single regs array.
2296 (count_one_set): Delete may_not_move array argument
2297 and use regs array instead. All caller's changed.
2298 (count_loop_regs_set): Delete may_not_move and single_usage
2299 arguments and use regs array instead. All caller's changed.
2300 (find_single_use_in_loop): Replace usage array argument with pointer
2301 to regs structure. All caller's changed.
2302 (loop_optimize): Delete `moved_once' array.
2304 2001-01-05 Michael Hayes <mhayes@redhat.com>
2306 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2307 Use it instead of loop_info->has_call for scanning loop mems.
2308 (check_dbra_loop): Replace loop_info->has_call test with
2309 loop_info->has_nonconst_call.
2311 2000-01-04 Matthew Hiller <hiller@redhat.com>
2313 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2316 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2318 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2319 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2321 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2323 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2324 (flag_short_double, flag_short_wchar): Define.
2325 (c_common_nodes_and_builtins): Create many tree nodes shared
2326 between C and C++ here instead of in cp/decl.c and ...
2327 * c-decl.c (init_decl_processing): ... here.
2328 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2329 (flag_short_double, flag_short_wchar): Don't define.
2330 (record_builtin_type): New function.
2331 (build_void_list_node): New function.
2332 * c-common.h (flag_short_double, flag_short_wchar,
2333 record_builtin_type, build_void_list_node): Declare.
2335 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2337 * integrate.c (expand_inline_function): Don't put a virtual
2338 register into the reg map.
2340 * function.c (fixup_var_refs_1): If force_operand didn't put
2341 the address into the target, move it there.
2343 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2345 Special-case tree_decl/tree_list allocations.
2346 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2347 (OBJECT_SIZE): New macro.
2348 (NUM_EXTRA_ORDER): Likewise.
2349 (extra_order_size_table): New variable.
2350 (NUM_ORDERS): New macro.
2351 (objects_per_page_table): New variable.
2352 (object_size_table): New variable.
2353 (G.pages): Use NUM_ORDERS to bound the array.
2354 (G.page_tails): Likewise.
2355 (DIV_ROUND_UP): Remove.
2356 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2357 (alloc_page): Use OBJECT_SIZE.
2358 (size_lookup): Don't make it const.
2359 (ggc_alloc): Use OBJECT_SIZE.
2360 (ggc_set_mark): Likewise.
2361 (ggc_get_size): Likewise.
2362 (init_ggc): Set up the object_size_table, objects_per_page_table,
2363 and adjust size_lookup.
2364 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2365 (ggc_pop_context): Use NUM_ORDERS.
2366 (clear_marks): Likewise.
2367 (sweep_pages): Likewise.
2368 (poison_pages): Likewise.
2369 (ggc_print_statistics): Use OBJECT_SIZE.
2371 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2373 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2374 Only call array_size_for_constructor if last field and array type
2375 with no upper bound.
2377 2001-01-04 Philip Blundell <philb@gnu.org>
2379 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2380 from bit 31 downwards, if this requires no more insns.
2381 (count_insns_for_constant): New helper function for above.
2383 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2385 * gencodes.c (output_predicate_decls): Remove empty initializer.
2387 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2389 * tree.c (copy_node): Remove documentation about obstacks.
2390 (buidl1): Check that nobody tries to build 2-argument nodes this
2393 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2395 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2398 * gencodes.c (output_predicate_decls): Fill empty initializer
2401 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2403 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2404 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2406 (do_include): Handle missing headers like cpp0.
2407 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2408 paths with first include pathname. Don't strcat to uninitialized
2411 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2413 * regrename.c (regrename_optimize): Don't rename from frame pointer
2414 if frame_pointer_needed.
2415 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2416 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2417 (ia64_reorg): Use it instead of scheduling if ! optimize.
2418 (errata_emit_nops): Properly call asm_noperands.
2419 (ia64_sched_reorder): Finish cycle if we see an asm.
2420 (ia64_variable_issue): Clear scheduling state after asms.
2422 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2424 * cpp.texi: Update for -MT.
2425 * cppinit.c (initialize_dependency_output): Add a default
2426 target if none has been given already.
2427 (no_tgt, OPT_MT): New.
2428 (cpp_handle_option): Handle -MT. Update -M etc.
2429 * cpplib.h (struct cpp_options): Remove deps_target.
2430 * gcc.c (cpp_options): Handle -MT.
2431 * mkdeps.c (struct deps): Move from mkdeps.h.
2432 (deps_calc_target): Rename deps_add_default_target. Add a
2433 default target if none has been specified already.
2434 * mkdeps.h (struct deps): Move to mkdeps.c.
2435 (deps_calc_target): Rename deps_add_default_target.
2437 2000-01-03 Richard Henderson <rth@redhat.com>
2439 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2441 * c-typeck.c (push_init_level): Move checks for flexible array
2442 members and zero length arrays ...
2443 (pop_init_level): ... here. Silently discard empty initializations.
2445 * varasm.c (output_constructor): Update for sizeof change to
2448 * extend.texi (Zero Length): Clarify semantics.
2450 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2452 * configure.in (tm.h): Include isns-codes.h last.
2453 * configure: Rebuilt.
2455 2001-01-03 Richard Henderson <rth@redhat.com>
2457 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2458 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2460 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2462 * tradcpp.c (main): Make sure finclude() is called with a valid
2463 indepth value while handling -include.
2465 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2467 * gencodes.c (output_predicate_decls): New function.
2469 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2470 even if it is not the first time machmode.h is #included.
2471 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2472 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2473 * gcc.texi (Copyright): Added 2001.
2475 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2477 * c-common.c (c_common_lang_init): New function. Warn if format
2478 warning options which only have effects when used with -Wformat
2479 are used without -Wformat.
2480 * c-common.h (c_common_lang_init): Declare.
2481 * c-lang.c (lang_init): Call c_common_lang_init.
2482 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2484 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2486 * configure.in: Check for the mktemp command.
2487 * configure: Regenerate.
2488 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2489 $TEMP. Create temporary files with mktemp, if available at
2490 configure time; otherwise use set -C. Remove temporary files
2493 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2495 * configure.in: Require at least texinfo 4.0. Check for whether
2496 Pod::Man is sufficiently recent to regenerate GCC manpages.
2497 * configure: Regenerate.
2498 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2500 (GENERATED_MANPAGES): Define.
2501 (generated-manpages): New target. Depend on cpp.1 as well as
2503 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2504 configure to generated-manpages or empty) rather than on the
2505 manpages directly. Remove execute permission from installed
2506 gcov.1 as well as cpp.1.
2507 * cpp.1, gcov.1: Regenerate.
2509 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2511 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2512 tree_low_cst. Allow using cmpstrsi in more cases.
2514 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2516 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2519 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2521 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2522 * Makefile.in (HOST_CFLAGS): Mention build-make.
2524 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2526 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2529 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2531 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2534 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2537 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2538 reg_base_value and reg_known_value arrays.
2539 (init_alias_analysis): Add more cases to detect known values.
2540 * sched-deps.c (deps_may_trap_p): New function.
2541 (sched_analyze_2): Use it.
2543 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2545 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2546 don't discard an ASHIFTRT if we're shifting in a wider mode.
2548 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2550 * toplev.c (rest_of_compilation): Don't print basic block information
2551 when CFG isn't up to date.
2553 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2555 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2556 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2557 (UNALIGNED_SHORT_ASM_OP): Define.
2558 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2560 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2562 * fold-const.c (fold_convert): Fix typo.
2564 2001-01-02 Richard Henderson <rth@redhat.com>
2566 * c-common.h (ASM_INPUT_P): New.
2567 * c-parse.in (asm): Set it when needed.
2568 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2569 existance of an operand.
2571 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2573 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2574 (dwarf2out_frame_debug_expr): Likewise.
2575 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2577 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2579 * i386.c (ix86_split_to_parts): Return number of part required;
2581 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2583 (ix86_split_long_move): Use number of part returned
2584 by ix86_split_to_parts
2585 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2587 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2588 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2589 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2590 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2591 (ALIGN_MODE_128): Add TFmode.
2592 (IS_STACK_MODE): Likewise.
2593 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2594 (HARD_REGNO_OK): Support TFmodes.
2595 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2596 * i386.md (scheduler definitions): Use memory operand to determine
2597 fst/fld instructions; use mode attribute to determine real mode of
2599 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2600 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2602 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2604 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2606 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2608 * expr.c (store_constructor_field): Update ALIGN before calling
2611 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2613 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2616 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2618 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2621 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2623 * c-decl.c (start_function): Don't warn on third parameter to main.
2625 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2627 * tsystem.h: Define HAVE_DECL_GETOPT.
2629 2001-01-02 Philip Blundell <pb@futuretv.com>
2631 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2634 2001-01-02 Richard Henderson <rth@redhat.com>
2636 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2638 2001-01-02 Andreas Jaeger <aj@suse.de>
2640 * c-decl.c (c_decode_option): Remove support of
2643 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2644 (W_options): Add -Wmissing-noreturn here.
2646 * flow.c: Define lang_missing_noreturn_ok_p.
2647 (check_function_return_warnings): Use it.
2649 * c-common.h: Declare lang_missing_noreturn_ok_p.
2651 * c-lang.c (c_missing_noreturn_ok_p): New function.
2652 (lang_init): Set lang_missing_noreturn_ok_p.
2654 * invoke.texi (Warning Options): Document this.
2656 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2658 * extend.texi (C++ Extensions): New node for C++ attributes;
2659 describe init_priority and com_interface.
2660 * invoke.texi: Remove -finit-priority as it now has zero effect.
2661 * install.texi: Fix xref syntax.
2662 * md.texi: Likewise.
2664 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2666 * config.gcc (sparc64-wrs-vxworks*): New case.
2667 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2669 * config/sparc/sparc.c (sparc_override_options): Do support different
2670 pointer and architecture size.
2671 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2672 (POINTERS_EXTEND_UNSIGNED): Define.
2673 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2674 (FUNCTION_MODE): Define to be Pmode.
2675 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2677 * function.c (expand_function_end): Properly handle DECL_RESULT
2678 and copy when ptr_mode != Pmode.
2679 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2681 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2683 * c-common.c (c_common_nodes_and_builtins): Set prototype
2684 parameters for __builtin_fputs, __builtin_fputc and
2685 __builtin_fwrite. Don't declare plain fputc as a builtin.
2687 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2689 * loop.c (add_label_notes): Increment the label usage count when
2690 a note is added to an insn which refers to a CODE_LABEL.
2691 * gcse.c (add_label_notes): Likewise.
2693 2001-01-01 Andreas Jaeger <aj@suse.de>
2695 * loop.c (scan_loop): Use xmalloc to allocate movables.
2697 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2699 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2700 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2701 * reload1.c (REGISTER_MOVE_COST): Likewise.
2702 * regclass.c (REGISTER_MOVE_COST): Likewise.
2703 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2704 dimension. Adjust all users.
2705 (init_reg_sets_1): Iterate on all modes.
2706 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2707 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2708 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2709 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2710 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2711 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2712 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2713 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2714 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2715 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2716 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2717 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2718 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2719 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2720 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2721 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2722 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2723 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2724 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2725 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2726 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2727 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2728 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2729 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2730 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2731 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2732 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2734 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2736 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2737 arg VARIES_P. Call it with extra arg.
2738 (true_dependence): Likewise.
2739 * rtl.h (rtx_addr_can_trap_p): Declare.
2740 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2742 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2743 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2744 pic offset table register if it's zero. All callers changed.
2745 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2747 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2749 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2750 STRING_POOL_ADDRESS_P.
2752 * config/sparc/sparc.c (input_operand): Properly test for short op.
2754 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2755 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2756 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2757 * config/sparc/elf.h: No longer include sol2.h.
2758 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2759 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2761 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2763 2001-01-01 Michael Hayes <mhayes@redhat.com>
2765 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2766 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2767 (record_initial): Likewise.
2768 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2769 (remap_split_bivs): Likewise.
2771 2001-01-01 Michael Hayes <mhayes@redhat.com>
2773 * loop.c (loop_ivs_free): New function.
2774 (strength_reduce): Break out from...
2776 2001-01-01 Michael Hayes <mhayes@redhat.com>
2778 * loop.h (struct iv): New.
2779 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2780 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2781 'reg_biv_class' fields with 'regs' and 'n_regs'.
2782 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2783 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2784 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2786 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2788 * resource.c (mark_referenced_resources): Abort() before
2789 attempting to mark a pseudo register.
2790 (mark_set_resources): Likewise.
2792 2001-01-01 Michael Hayes <mhayes@redhat.com>
2794 * loop.h (REG_IV_CLASS): New accessor macro.
2795 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2796 * unroll.c (REG_IV_CLASS): Likewise.
2798 See ChangeLog.4 for earlier changes.