1 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3 * calls.c (emit_library_call_value_1): Memory slot for
4 pass-by-reference argument should have the mode of the argument,
5 not of the pointer to it.
7 2001-01-24 Tom Tromey <tromey@redhat.com>
9 * gcc.texi (G++ and GCC): Mention gcj manual.
10 (Standards): Link to section of manual mentioning gcj/Java
13 2001-01-24 Jakub Jelinek <jakub@redhat.com>
15 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
16 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
17 * tradcpp.c (main): Add -imacros or -include'd dependencies
19 * cpp.texi (-M, -MM): Document -M -include behaviour.
21 2001-01-24 Roger Collins <roger@ProProject.com>
23 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
25 2001-01-24 Will Cohen <wcohen@redhat.com>
27 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
28 whether registers are 32 bits or 64 bits in size.
30 2001-01-24 Ben Elliston <bje@redhat.com>
32 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
34 2001-01-24 Richard Henderson <rth@redhat.com>
36 * config/alpha/alpha.md (builtin_longjmp_internal): New.
37 (builtin_longjmp): Use it instead of emit_indirect_jump.
39 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
41 * bb-reorder.c (make_reorder_chain_1): Handle case where
42 jump edge goes to the same block as the fallthru edge.
44 2001-01-23 Jim Wilson <wilson@redhat.com>
46 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
47 * frame.h (__ia64_personality_v1): Add prototype.
48 * libgcc2.c (ia64_throw_helper): Change personality declaration to
49 prototype form. Add void * cast to first argument to personality
51 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
52 (asctoe113): Likewise.
53 * config/ia64/frame-ia64.c: Include eh-common.h.
54 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
56 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
58 (itanium_split_issue): Add prototype.
59 (gen_nop_type): Ifdef out.
60 (find_best_packet): Initialize best_packet.
61 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
63 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
64 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
65 (flushrs): Add explicit stop bit at end.
66 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
69 2001-01-23 Chris Demetriou <cgd@broadcom.com>
71 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
73 * libgcc2.c (__terminate_func): Make variable static.
74 (__terminate_set_func): New function to set __terminate_func.
75 * libgcc2.h (__terminate_func_ptr): New typedef.
76 (__terminate_set_func): New function.
78 2001-01-23 Richard Henderson <rth@redhat.com>
80 * flow.c (init_propagate_block_info): Don't consider unchanging
81 memories for dead frame store elimination.
83 2001-01-23 Richard Henderson <rth@redhat.com>
85 * varasm.c (UNIQUE_SECTION): Move default implementation ...
86 * defaults.h: ... here.
88 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
90 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
92 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
94 * c-lex.c (lex_charconst): Fix typo: s/p/str.
96 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
98 * rs6000.h (rs6000_return_addr): Move prototype from here...
99 * rs6000-protos.h (rs6000_return_addr): ...to here.
100 (rs6000_init_expanders): Delete prototype.
102 2001-01-23 Nick Clifton <nickc@redhat.com>
104 * invoke.texi: Replace , with \, inside @gccoptlist macros.
105 (Spec Files): Document %B and %j and %. and %v3 and %M and
106 %{S*&T} spec switches.
108 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
110 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
112 2001-01-23 Chris Demetriou <cgd@sibyte.com>
113 Neil Booth <neil@daikokuya.demon.co.uk>
115 * cpperror.c: Merge handlers of PEDWARN and WARNING.
116 Have -Werror make pedantic warnings errors, like the
119 2001-01-23 Phil Edwards <pme@sources.redhat.com>
121 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
123 2001-01-23 Jakub Jelinek <jakub@redhat.com>
125 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
126 * integrate.c (expand_inline_function): Initialize them.
127 (subst_constants): If changing COMPARE so that both its arguments
128 will be VOIDmode and the comparison mode will be lost, note
129 compare_mode. Use the recorded compare_mode to optimize
132 2001-01-23 Jason Merrill <jason@redhat.com>
134 * dwarf2out.c (new_die): Use xcalloc.
135 (output_die): Abort rather than emit a local reference to offset 0.
137 2001-01-17 Andrew Haley <aph@redhat.com>
139 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
140 of a saved register; return NULL instead.
141 (copy_reg): Take a pointer to a source register rather than a
143 (next_stack_level): Remember the address in the stack frame of all
145 Use the saved register pointer array as the source of the CFA.
146 (throw_helper): Rewrite. Unwind once rather than twice and keep
147 track of saved registers as we go.
149 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
151 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
152 * c4x.c (c4x_legitimize_reload_address): Remove.
153 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
154 reload address for ldp(k) insn.
156 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
158 * pa.md (return_internal): Add a USE of the PIC register to ensure
159 it is restored after each call.
160 (return expander): Corresponding changes.
162 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
164 * rs6000.h (INIT_EXPANDERS): Delete.
165 (RETURN_ADDR_RTX): Call rs6000_return_addr().
166 * rs6000.c (rs6000_override_options): Call *_machine_status from
168 (rs6000_init_expanders): ...instead of here. Delete.
169 (rs6000_mark_machine_status): New function.
170 (rs6000_init_machine_status): Use xcalloc.
171 (rs6000_return_addr): Generate RTX for the return address.
172 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
173 (rs6000_stack_info): Use it.
175 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
177 * gthr-win32.h: Include errno.h to get a declaration for
178 EINVAL and _mingw.h if the target is mingw32.
180 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
182 * cpp.texi: Correct typos.
184 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
186 * explow.c (probe_stack_range): Ensure value passed to
187 stack_check_libfunc is ptr_mode, not Pmode.
189 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
191 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
192 case, don't use operand_subword to calculate a SUBREG that is
195 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
197 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
199 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
200 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
201 valid. If not replace it by equivalent insns.
203 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
205 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
206 contains SYMBOL_REF, LABEL_REF and CONST_INT.
207 (c4x_U_constraint, symbolic_address_operand): Likewise.
208 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
210 (c4x_r11_set_p, c4x_check_laj_p): New functions.
211 * c4x-protos.h (c4x_check_laj_p): Add prototype.
212 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
213 anulling slot because of silicon bug.
214 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
216 2001-01-22 Alan Modra <alan@linuxcare.com.au>
218 * cppexp.c (parse_charconst): Change `mask' type to agree
221 2001-01-21 Richard Henderson <rth@redhat.com>
223 * config/i386/i386.c (ix86_asm_file_end): Disable putting
224 pic_label_name in a linkonce section.
226 2001-01-17 Philipp Thomas <pthomas@suse.de>
228 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
230 * configure: Regenerate.
232 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
234 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
235 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
237 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
239 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
240 If REVERSE nonzero then condition code in X must be reversed.
241 (encode_section_info): Optimise if/else.
242 (avr_function_value): Fix formatting.
244 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
245 (difficult_branch): Likewise.
246 (rvbranch): Likewise.
247 (difficult_rvbranch): Likewise.
249 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
251 * config/avr/libgcc.S: Fix comment.
253 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
255 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
257 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
259 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
261 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
263 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
264 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
265 * configure, config.in: Regenerate.
266 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
267 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
268 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
269 (doprint.o): New rule.
271 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
273 * c-typeck.c (digest_init): Handle boolean types as scalars.
275 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
277 * stmt.c (expand_return): Don't return anything if size is zero.
278 Delete redundant assignment to BYTES.
279 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
281 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
283 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
284 the same as the default library function names.
285 * config/avr/avr.md: Document special characters after '%'.
286 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
287 knowing which of the call-used registers are really clobbered.
288 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
289 New. Both quotient and remainder from one libgcc.S call.
290 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
291 clobber as few registers as possible.
292 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
294 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
296 * cppmacro.c (funlike_invocation_p): Don't move back up to the
297 context of the top of the stack.
299 2001-01-20 Jakub Jelinek <jakub@redhat.com>
301 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
302 (fixup_var_refs_insns): ...here.
304 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
306 * function.c (fixup_var_refs_insns): Break up into
307 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
308 [loop over entire insn list], and fixup_var_refs_insns_with_hash
309 [loop over hash table entries].
310 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
311 fixup_var_refs_insns_with_hash, to match above changes.
313 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
315 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
316 (libgcc.a): Likewise.
317 (stmp-multilib): Likewise.
318 (STAGE2_FLAGS_TO_PASS): Likewise.
320 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
322 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
323 temporary if no_new_pseudos.
325 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
327 * cppinternals.texi: Update.
329 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
331 * arm.c (arm_init_builtins): Re-enable builtins.
333 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
335 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
336 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
337 element to be null, and always expect an EXPR_LIST.
338 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
339 * sched-deps.c (sched_analyze_1): Likewise.
340 * sched-rgn.c (check_live_1, update_live_1): Likewise.
342 * regclass.c (max_set_parallel): New variable.
343 (reg_scan): Take it into account in computation of max_parallel.
344 (reg_scan_mark_refs, case SET): Compute it.
346 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
348 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
349 * function.c (assign_parms): Use INTVAL for a CONST_INT.
351 2001-01-19 Jason Merrill <jason@redhat.com>
353 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
354 for the abstract instance of an inline function.
356 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
357 J"orn Rennecke <amylaar@redhat.com>
359 * reload1.c (move2add_note_store): Treat all registers directly or
360 indirectly derived from a base register as members of the same set
362 (reload_cse_move2add): Adjust accordingly. Take mode and offset
363 of base register into account.
365 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
367 * alias.c (find_base_value): Recognize TRUNCATE.
368 (record_set): In PLUS case, invalidate if other summand is also a
371 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
373 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
374 entry to be EXPR_LIST.
375 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
376 be an EXPR_LIST (but not null, which other code doesn't allow).
377 (note_stores): Properly handle PARALLEL in SET.
378 Recursively call for top-level PARALLEL.
379 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
380 * sched-rgn.c (check_live_1, update_live_1): Likewise.
382 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
384 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
386 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
387 not pfile->skipping (== 0).
389 2001-01-17 Nick Clifton <nickc@redhat.com>
391 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
394 2001-01-17 Jim Wilson <wilson@redhat.com>
396 * invoke.texi (IA-64 options): Improve.
398 2001-01-17 Tom Tromey <tromey@redhat.com>
400 * invoke.texi (Optimize Options): Use `{}' to around @samp
403 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
405 * invoke.texi (-fno-guess-branch-probability): New option.
407 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
409 * combine.c (try_combine): Don't set i3_subst_into_i2 for
410 case of making new double-word constant.
411 Revert last change: instead just test i3_subst_into_i2.
413 2001-01-17 Jakub Jelinek <jakub@redhat.com>
415 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
416 Use q constraints instead of r.
418 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
420 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
421 (machine_function): Define.
422 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
423 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
424 pa_free_machine_status): New functions.
425 (override_options): Set {init,mark,free}_machine_status to above.
426 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
427 PIC_OFFSET_TABLE_REGNUM_SAVED.
428 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
429 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
430 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
431 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
432 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
434 2001-01-15 DJ Delorie <dj@redhat.com>
436 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
440 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
442 * flow.c (propagate_on_insn): Make trying to delete a prologue
443 or epilogue insn an ICE, not a warning. Allow doing this if
444 the current function returns with stack pointer depressed.
446 * combine.c (try_combine): If i3_subst_into_i2, properly check for
447 I3 having more than one SET.
449 2001-01-16 Jim Wilson <wilson@redhat.com>
451 * invoke.texi: Document IA-64 options.
453 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
454 (fixup_errata): Delete TARGET_A_STEP use.
455 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
456 (TARGET_SWITCHES): Delete -ma-step option.
457 * config/ia64/ia64.md (all FP patterns): Delete %B0.
458 (movqicc_astep, movqi_internal_astep, movhicc_astep,
459 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
460 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
461 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
462 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
464 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
465 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
466 cmovsi_internal): Delete ! TARGET_A_STEP check.
468 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
470 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
471 possibility to report bugs via postal mail. Change a URL and
472 merge in a nearly duplicate statement...
473 (Bug Reporting): ...from here.
474 (Service): Refer to the Bug Reporting section instead of
476 (Contributing): Remove trivial explanations concerning snapshots.
478 2001-01-16 Alan Modra <alan@linuxcare.com.au>
480 * cppmain.c (general_init): Don't use ANSI prototype.
482 2001-01-16 Tom Tromey <tromey@redhat.com>
484 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
486 2001-01-16 Richard Henderson <rth@redhat.com>
488 * config/i386/i386.h: Fix comment typo.
489 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
490 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
492 2001-01-16 Phil Edwards <pme@sources.redhat.com>
494 * gcc.c: Revert previous -fsyntax-only-related change; move
497 2001-01-16 Jakub Jelinek <jakub@redhat.com>
499 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
500 inmode after checking GET_CODE (op).
502 2001-01-16 Richard Henderson <rth@redhat.com>
504 * flow.c (struct propagate_block_info): Add mem_set_list_len.
505 (MAX_MEM_SET_LIST_LEN): New.
506 (propagate_one_insn): Update mem_set_list_len.
507 (invalidate_mems_from_autoinc): Likewise.
508 (invalidate_mems_from_set): Likewise.
509 (mark_used_regs): Likewise.
510 (init_propagate_block_info): Likewise. Stop collecting memories
511 when we reach MAX_MEM_SET_LIST_LEN.
512 (mark_set_1): Likewise.
514 2001-01-16 Richard Henderson <rth@redhat.com>
516 * unroll.c (precondition_loop_p): Fail if no iteration
519 2001-01-16 Phil Edwards <pme@sources.redhat.com>
521 * gcc.c: When -fsyntax-only is given, do not complain about
524 2001-01-15 Richard Henderson <rth@redhat.com>
526 * config/i386/i386.c (asm_output_function_prefix): Remove.
527 (ix86_asm_file_end): New.
528 (load_pic_register): Generate pic_label_name into a
529 staticly allocated buffer.
530 * config/i386/i386-protos.h: Update.
531 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
533 * config/i386/i386afe.h: New file.
534 * config.gcc (i?86-*-elf) [tm_file]: Use it.
535 (i?86-*-{freebsd,linux*,moss*}): Likewise.
536 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
537 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
538 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
539 * config/i386/sco5.h (ASM_FILE_END): Likewise.
540 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
542 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
544 * Makefile.in (install-man): Remove explicit dependency on
547 * configure.in, configure: Revert previous patch requiring perl
550 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
552 * toplev.c (flag_guess_branch_prob): New.
553 (f_options): Add guess-branch-probability option.
554 (rest_of_decl_compilation): Only estimate branch probability if
556 (main): set flag_guess_branch_prob.
558 * flags.h (flag_guess_branch_prob): New.
560 2001-01-15 DJ Delorie <dj@redhat.com>
562 * gcc.texi (Makefile): Add documentation for Makefile targets.
564 2001-01-15 Philip Blundell <philb@gnu.org>
566 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
568 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
569 (is_pic): Delete declaration.
570 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
571 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
572 * config/arm/arm.md (builtin_setjmp_receiver): New.
574 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
576 * arm.c (use_return_insn): Don't try to determine the function type
577 until after reload has completed.
578 (arm_output_epilogue): Don't adjust the sp value recovered from the
580 (emit_multi_reg_push): Don't record dwarf information for the pc.
581 * arm.md (eh_epilogue): The function type may have changed, so it
582 needs to be recalculated.
583 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
584 unwind tables on arm/netbsd.
586 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
588 * arm.md (cbranchsi4): Correct calculation of branch ranges.
589 (negated_cbranchsi4): Likewise.
591 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
593 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
594 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
595 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
596 pass -mapcs-* options to assembler.
597 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
598 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
599 (ASM_SPEC): Call subtarget_extra_asm_spec.
601 2001-01-15 Andreas Jaeger <aj@suse.de>
603 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
605 (ix86_expand_builtin): Likewise.
607 * gencodes.c (output_predicate_decls): Make i size_t to avoid
608 warning about comparison between signed and unsigned.
610 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
612 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
614 2001-01-14 Ralf Baechle <ralf@gnu.org>
616 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
617 SUBTARGET_CPP_SPEC apropriatly.
619 2001-01-12 Mark Mitchell <mark@codesourcery.com>
621 * varasm.c (make_decl_rtl): Fix typo in last change.
623 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
625 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
626 linker supports the init_priority C++ attribute.
627 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
628 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
629 linker does not support init_priority C++ attribute.
631 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
633 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
635 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
637 * c-parse.in (finish_parse): Add comment about cpp_destroy.
638 * cp/lex.c (finish_parse): Similarly.
639 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
640 Return the number of errors encountered.
641 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
642 * cppmain.c (main): Don't call cpp_destroy.
644 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
646 * configure.in: Require at least perl 5.6.0 to regenerate
648 * configure: Regenerate.
650 2001-01-14 Richard Henderson <rth@redhat.com>
652 * genrecog.c (DT_veclen_ge): New.
653 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
654 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
655 (nodes_identical_1): Handle DT_veclen_ge.
656 (write_cond, debug_decision_2): Likewise.
658 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
660 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
662 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
664 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
666 * cppmain.c (do_preprocessing): New function; most of the old
668 (main): Call it to do most of the work.
669 (cb): Move from global scope to set_callbacks ().
670 (setup_callbacks): Get the callback pointer.
671 (general_init, printer_init): Clean up code and comments.
673 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
675 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
678 2001-01-14 Kazu Hirata <kazu@hxi.com>
680 * config/h8300/h8300.c (get_shift_alg): Update comments.
682 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
684 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
685 (alloc_page, ggc_alloc): Add casts to remove warnings.
687 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
689 * combine.c (simplify_comparison): Don't change `code' when
690 can't reverse comparison.
692 2001-01-14 Richard Henderson <rth@redhat.com>
694 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
695 update all call sites. Return true for all non-label constants.
697 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
699 * i386.c (ix86_expand_compare): Add bypass_test and second_test
701 (ix86_expand_branch): Update.
702 (ix86_expand_setcc): Update to handle multiple test conditions.
703 (expand_int_movcc): Likewise.
704 (expand_fp_movcc): Likewise.
705 * i386-protos.h (ix86_expand_compare): New.
706 * i386.md (andqi_?_slp, orqi_?_slp): New.
707 (conditional trap expander): Update call to ix86_expand_compare.
709 2001-01-14 Richard Henderson <rth@redhat.com>
711 * config/vax/vax.md: Use nonimmediate_operand instead of
712 general_operand in destinations.
714 * config/vax/vax.md (indirect_jump): Use register_operand.
716 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
717 * config/vax/vax.md (call_pop): Turn into an expander.
718 (call_value_pop): Likewise.
719 (call, call_value): New.
721 2001-01-14 Andreas Jaeger <aj@suse.de>
723 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
725 (ix86_fp_compare_mode): Add unused attribute.
726 (ix86_expand_fp_movcc): Remove unused variable.
727 (ix86_expand_builtin): Make fcode unsigned.
729 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
730 (expand_expr): Add cast to avoid signed warning.
731 (store_field): Likewise.
732 (store_constructor_field): Likewise.
733 (store_constructor): Likewise.
734 (store_expr): Likewise.
735 (clear_storage): Likewise.
736 (emit_group_store): Likewise.
737 (emit_group_load): Likewise.
739 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
741 * c-common.c: Move format checking code to ...
742 * c-format.c: ... here. New file. Reorder some functions and
744 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
746 * c-common.h (decl_handle_format_attribute,
747 decl_handle_format_arg_attribute): Declare.
748 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
749 (c-common.o): Adjust dependencies.
750 (c-format.o): New list of dependencies.
752 2001-01-13 Jakub Jelinek <jakub@redhat.com>
754 * unroll.c (loop_iterations): If we cannot prove iteration variable
755 is set once in each iteration, punt.
757 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
759 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
760 (*strlenhi): Remove clobber (which was buggy) of output address.
762 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
764 * Makefile.in (generated-manpages): Add gcc.1
765 ($(srcdir)/gcc.1): New target.
766 (maintainer-clean): Delete $(srcdir)/gcc.1.
767 * gcc.texi: Add macros @gccoptlist and @gol.
768 * invoke.texi: Include option summary in manpage. Mark up option
769 summary with @gccoptlist and @gol. Use @r in one place where
771 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
772 * gcc.1: Generate from invoke.texi.
774 2001-01-13 Richard Henderson <rth@redhat.com>
776 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
777 (struct page_entry): Add group member.
778 (struct page_group): New.
779 (struct globals): Add page_groups member.
780 (alloc_anon): Only define for using mmap; remove valloc call.
781 (page_group_index): New.
782 (set_page_group_in_use): New.
783 (clear_page_group_in_use): New.
784 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
785 (free_page, release_pages): Likewise.
786 * configure.in (with-gc): Default to ggc-page always.
788 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
790 * reload1.c (replace_pseudos_in_call_usage): Use
791 reg_equiv_constant and reg_equiv_address, and don't try
794 2001-01-13 Richard Henderson <rth@redhat.com>
796 * ggc-page.c (alloc_page): Round up allocation size to one page.
797 Set e->order on extra pages.
799 2001-01-13 Richard Henderson <rth@redhat.com>
801 * genrecog.c (nodes_identical): Expand commentary.
802 (write_switch): Watch out for identical nodes.
804 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
806 * cppfiles.c (_cpp_fake_include): New function.
807 * cpphash.h (_cpp_fake_include): New.
808 * cpplib.c (do_line): Call _cpp_fake_include when entering
809 header files in preprocessed input.
810 * cppmain.c (cb_pragma_implementation): Remove handling.
811 (setup_callbacks): Don't register pragmas.
813 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
815 * extend.texi: Udate for CPP.
817 2001-01-13 Andreas Jaeger <aj@suse.de>
819 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
821 * regmove.c: Add prototype for replace_in_call_usage.
823 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
825 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
826 struct cpp_chunk, struct htab, struct toklist,
827 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
828 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
829 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
830 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
831 (struct macro_args): Delete.
832 * cpphash.h: See above.
834 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
836 * cppmain.c (struct printer): Remove no_line_dirs.
838 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
839 : Use options rather than CPP_OPTION.
840 (setup_callbacks): Use cb rather than pfile->cb.
841 (main): No need to check for a buffer. Use cpp_errors.
842 (printer_init): Don't set no_line_dirs.
843 (maybe_print_line): Use options not no_line_dirs.
844 (cb_file_change): Don't call print_line if -P.
846 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
848 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
850 * c-parse.in (finish_parse): Use cpp_errors.
851 (__yylex): Use return value of cpp_pop_buffer.
852 * cp/lex.c (finish_parse): Use cpp_errors.
853 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
855 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
857 * README.AVR: URLs corrected.
859 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
861 * c-decl.c (start_function): Don't warn if old prototype is builtin
862 that's not in C's namespace.
863 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
864 (_bb): Add prototype for ctime.
865 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
867 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
869 * i386.c (ix86_fp_comparison_arithmetics_cost,
870 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
871 ix86_fp_comparison_cost): New functions.
872 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
873 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
874 two-branch sequences; make static.
875 (ix86_use_fcomi_compare): Do decision according to the costs.
876 (split_fp_branch): New.
877 * i386.md (compare-and-branch patterns): Use split_fp_branch.
878 * i386-protos.h (ix86_expand_fp_compare): Remove
879 (ix86_split_fp_branch): Declare.
881 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
882 and ix86_comparison_operator.
884 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
887 * i386.c (put_condition_code): Output properly the unordered/ordered
889 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
891 * tm.texi (REVERSE_CONDITION): Document.
892 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
894 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
896 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
898 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
900 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
903 * config/sh/sh.c (mova_p): Fix test for mova_const.
905 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
907 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
908 cpp_get_options rather than dereferencing pfile and using
910 * scan-decls.c (scan_decls): Use return value of
911 cpp_pop_buffer rather than CPP_BUFFER.
913 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
915 * cppinit.c (cpp_handle_option): help_only is now part of the
916 cpp_options structure.
917 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
918 cpp_set_callbacks): New functions.
919 * cpplib.h (cpp_callbacks): Break out as a named structure.
920 (cpp_options): Move help_only here from cpp_reader.
921 (CPP_FATAL_ERRORS): Update to use cpp_errors.
922 (cpp_errors, cpp_get_options, cpp_get_callbacks,
923 cpp_set_callbacks): New prototypes.
924 * cppmain.c (main): Update for help_only.
926 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
928 * Makefile.in (info, maintainer-clean, install-info, uninstall):
929 Also build and remove and install and uninstall c-tree.info and
931 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
932 ($(srcdir)/cppinternals.info): New target.
933 * c-tree.texi: Change file name used when makeinfo used without -o
934 from ir.info to c-tree.info. Add info directory entry.
935 * cppinternals.texi: Add info directory entry.
936 * .cvsignore: Update.
938 2001-01-12 Jakub Jelinek <jakub@redhat.com>
940 * c-typeck.c (store_init_value): Don't require constant initializer
941 elements with -pedantic -std=c99.
942 (digest_init): Change error about non-constant initializer elements
944 (constructor_range_end): Remove.
945 (constructor_incremental, designator_depth,
946 designator_errorneous): New variables.
947 (struct constructor_stack): Remove range_end, add incremental.
948 (struct constructor_range_stack, constructor_range_stack): New.
949 (struct initializer_stack): Add constructor_range_stack.
950 (finish_init): Set it.
951 (start_init): Likewise. require_constant_elements for non-static
952 trees only if not flag_isoc99.
953 (really_start_incremental_init): Remove constructor_range_end, add
954 constructor_incremental.
955 (pop_init_level): Likewise.
956 (push_init_level): Likewise. If implicit and the subobject had some
957 value set already, preinitialize the level with it.
958 Warn about missing braces only if not pushing due to designators.
959 (set_designator, push_range_stack): New functions.
960 (set_init_label): Use them.
961 (set_init_index): Likewise. Remove constructor_range_end.
962 Error if designator index is outside of array bounds.
963 (add_pending_init): Compare values of purpose index trees, not the
964 trees themselves. Allow overwriting of already initialized element.
965 Issue a warning if it had side-effects.
966 (set_nonincremental_init, set_nonincremental_init_from_string): New
968 (pending_init_member): Rename to...
969 (find_init_member): ...this function. Call set_nonincremental_init
970 if necessary. Compare values of purpose index trees, not the trees
971 themselves. Return the actual value, not just non-zero if something
973 (output_init_element): Remove checks for duplicates.
974 If field has zero size, only check the initializer for correctness.
975 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
976 if constructor_incremental is zero. Change error about initializers
977 not computable at load time into pedwarn.
978 (output_pending_init_elements): Compare bit positions, not
979 FIELD_DECLs to take into account zero-sized fields.
980 (process_init_element): Use constructor_range_stack to fill all
981 ranges in the designator lists from current level up.
982 * extend.texi: Update documentation for labeled elements.
984 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
986 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
987 to function usage for arguments passed by reference. Optimize
988 callee-copied arguments.
989 * regmove.c (replace_in_call_usage): New function.
990 (fixup_match_1): Call it.
991 * cse.c (cse_insn): Canonicalize registers in function usage.
992 * reload1.c (replace_pseudos_in_call_usage): New function.
995 * Makefile.in: Reverted yesterday's wrong patch. Installed the
998 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1000 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1003 2001-01-12 DJ Delorie <dj@redhat.com>
1005 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1006 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1009 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1011 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1012 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1013 -std options alongside references to -ansi. Update some
1014 documentation for C99.
1015 * cpp.1: Regenerate.
1017 2001-01-12 Andreas Jaeger <aj@suse.de>
1019 * haifa-sched.c (restore_line_notes): Remove argument block B
1021 * sched-ebb.c (schedule_ebb): Change caller.
1022 * sched-rgn.c (schedule_region): Likewise.
1023 * sched-int.h (restore_line_notes): Adjust prototype.
1025 * loop.h: Remove wrong declaration of doloop_condition_get.
1027 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1029 * extend.texi: Move C++-extension-related node from the C section
1030 into the C++ section.
1032 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1034 * extend.texi: Refer to an array of pointers to functions instead
1035 of one of functions.
1037 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1038 Jan Hubicka <jh@suse.cz>
1040 * combine.c (reversed_comparison): Fix typo in last patch.
1042 (combine_reversed_comparison_code): Make static to follow
1043 prototype declaration.
1045 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1047 * install.texi: Remove misplaced duplicate entry.
1049 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1051 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1053 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1055 * final.c: (leaf_function_p): Fix typo.
1057 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1059 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1060 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1062 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1063 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1064 mmap_anon, and valloc is available.
1065 * ggc-page.c: Restructure ifdef logic to match new autoconf
1066 spec. Don't throw away the test page in init_ggc.
1068 * configure, config.in: Regenerate.
1070 2001-01-12 Michael Hayes <mhayes@redhat.com>
1072 * loop.h (total_biv_increment): Constify iv_class pointer.
1073 (struct induction): Replace `mem_mode' with `mem' rtx.
1074 * unroll.c (total_biv_increment): Constify iv_class pointer.
1075 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1076 (find_mem_givs, combine_givs_p): Likewise.
1077 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1079 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1081 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1083 (__gthread_getspecific): Ditto.
1085 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1087 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1088 put_condition_code): Convert fp comparison codes to integer
1090 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1093 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1094 * i386-protos.h (no_comparison_operator): Kill.
1096 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1098 * combine.c (REVERSIBLE_CC_MODE): Remove.
1099 (reversible_comparison_p): Remove.
1100 (combine_reversed_comparison_code): New.
1101 (reversed_comparison): New.
1102 (combine_simplify_rtx): Use
1103 combine_reversed_comparison_code/reversed_comparison instead
1104 of reversible_comparison_p.
1105 (simplify_if_then_else): Likewise.
1106 (simplify_set): Likewise.
1107 (simplify_logical): Likewise.
1108 (if_then_else_cond): Likewise.
1109 (known_cond): Likewise.
1110 (simplify_comparison): Likewise.
1112 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1114 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1115 sizeof (int) is larger than sizeof(__word__).
1117 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1119 * cppinit.c (do_includes): Fix typo.
1121 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1123 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1124 in S_REGS does not occur because not all sources are possible
1125 when a S_REGS is a destination (sometimes needs a clobber).
1126 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1127 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1128 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1129 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1130 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1131 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1132 (lshrdi_const1, lshrsi3_const16): Likewise.
1133 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1134 (*movhi_68hc12, *movqi_68hc12): Likewise.
1135 (movstrictqi): Make sure reloading in D_REGS as a destination
1138 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1140 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1142 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1144 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1145 -D, -U and -A, and don't initialize the builtins.
1146 (do_includes): Error if -include or -imacros with -fpreprocessed.
1147 * cppmain.c (cb_define, cb_undef): Unconditionally process
1149 * tradcpp.c (main): Fix typo.
1151 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1153 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1154 (read_name_map): Use IS_ABSOLUTE_PATH.
1155 * tradcpp.c (get_filename): Likewise.
1157 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1159 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1160 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1161 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1162 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1163 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1164 (cmphi_z_used): Don't use '@' for the output.
1165 (tstqi_z_used): Likewise.
1166 (cmpqi_z_used): Likewise.
1167 (one_cmplsi2): Likewise.
1169 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1171 * config/sh/sh.c (barrier_align): Recognize branch around far
1172 branch and redundant insn.
1174 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1176 * invoke.texi: Restore documentation of the drivers' switches -MD
1179 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1181 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1183 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1184 check-objc//%): Support parallel testing of multilibs.
1185 (TESTSUITEDIR): Set to testsuite by default, but override for
1187 (check-gcc, check-g++, check-g77, check-objc): Enter
1190 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1192 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1193 * sched-deps.c (deps_may_trap_p): Likewise.
1194 * basic-block.h: Remove a comment.
1195 * flow.c (PROP_POSTRELOAD): Remove.
1196 (update_life_info): Don't add it to prop_flags.
1197 (mark_set_1): Lose the code that was enabled by it.
1199 2001-01-11 Michael Hayes <mhayes@redhat.com>
1201 * flow.c (flow_call_edges_add): New.
1202 * basic_block.h (flow_call_edges_add): New.
1204 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1206 * reload1.c (move2add_note_store): Update reg_set_luid even if
1207 base reg remains the same.
1209 2001-01-10 Nick Clifton <nickc@redhat.com>
1211 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1212 machine_function structure to zero.
1213 Add prototypes for machine_status functions.
1215 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1217 * c-common.h (CTI_VOID_LIST): Remove.
1218 (void_list_node): Likewise.
1219 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1220 (void_list_node): New macro.
1221 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1222 * config/i386/i386.c (ix86_init_builtins): Likewise.
1223 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1225 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1227 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1228 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1230 * tradcpp.c: Include mkdeps.h.
1231 (deps, print_deps_phony_targets, deps_append, output_deps,
1232 init_dependency_output, output_deps): New.
1233 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1234 deps_output): Delete.
1235 (print_deps_missing_files): Rename deps_missing_files.
1236 (inhibit_output): Make global.
1237 (main): Delete inhibit_output, deps_stream, deps_target.
1238 Use mkdeps functionality in the same way as cpplib. Remove
1239 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1240 -M and -MM. Remove old handling of deps via deps_out, and
1241 old reading of environment variables.
1242 (get_filename): Update to use deps_add_dep.
1244 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1246 * output.h (make_function_rtl): Remove prototype.
1247 (make_decl_rtl): Likewise.
1248 * varasm.c (make_function_rtl): Remove.
1249 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1250 than from a third parameter.
1251 * tree.h (make_decl_rtl): Remove last parameter.
1252 * c-decl.c (builtin_function): Remove last argument in call to
1253 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1254 (start_function): Likewise.
1255 * except.c (call_get_eh_context): Likewise.
1256 * expr.c (emit_block_move): Likewise.
1257 (clear_storage): Likewise.
1258 * profile.c (output_func_start_profiler): Likewise.
1259 * toplev.c (rest_of_decl_compilation): Likewise.
1260 * objc/objc-act.c (create_builtin_decl): Likewise.
1261 (synth_module_prologue): Likewise.
1262 (generate_static_reference): Likewise.
1263 (build_selector_reference_decl): Likewise.
1264 (build_class_reference_decl): Likewise.
1265 (build_objc_string_decl): Likewise.
1266 (build_protocol_reference): Likewise.
1268 2001-01-10 Richard Henderson <rth@redhat.com>
1270 * hwint.h: Revert yesterday's change.
1272 2001-01-10 Nick Clifton <nickc@redhat.com>
1274 * function.h (save_machine_status): Delete.
1275 (restore_machine_status): Delete.
1276 Amend comment describing {init|mark|free}_machine_status.
1278 * function.c (save_machine_status): Delete.
1279 (restore_machine_status): Delete.
1280 Amend comment describing {init|mark|free}_machine_status.
1281 (push_function_context_to): Remove invocation of
1282 save_machine_status.
1283 (pop_function_context_from): Remove invocation of
1284 restore_machine_status.
1286 * emit-rtl.c (init_emit_once): Amend comment describing
1287 {init|mark|free}_machine_status.
1289 * tm.texi (Per-Function Data): New node. Describe the
1290 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1293 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1295 * cppinit.c (OPT_g): Remove.
1296 (cpp_handle_option): Update for removed -g3.
1297 (print_help): Update.
1298 * cpplib.h (struct cpp_options): Remove debug_output.
1299 * cppmain.c (setup_callbacks, cb_define): Update.
1300 * gcc.c (cpp_options): Translate -g3 to -dD.
1302 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1304 * config/i960/i960.md: Change modifier to + on the zero_extract
1305 pattern after the (rotate -2 reg) canonicalization pattern.
1307 2001-01-10 Richard Henderson <rth@redhat.com>
1309 * config/alpha/alpha.c (alpha_free_machine_status): New.
1310 (override_options): Install it.
1311 (alpha_mark_machine_status): Verify machine non-null.
1312 * config/i386/i386.c (ix86_free_machine_status): New.
1313 (override_options): Install it.
1314 (ix86_init_machine_status): Use xcalloc.
1315 (ix86_mark_machine_status): Verify machine non-null.
1316 * config/ia64/ia64.c (ia64_free_machine_status): New.
1317 (ia64_override_options): Install it.
1318 (ia64_mark_machine_status): Verify machine non-null.
1320 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1322 * function.c (instantiate_virtual_regs): Instantiate virtual
1323 registers found in CALL_INSN_FUNCTION_USAGE.
1325 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1327 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1328 equivalent to -ansi in disabling -Di386.
1330 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1332 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1334 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1336 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1338 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1340 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1342 * invoke.texi: Document that -fcond-mismatch isn't supported for
1345 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1347 * gcc.texi: Define macro gcctabopt.
1348 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1349 @command, @env and @option in some places where appropriate. Use
1350 @gcctabopt where appropriate. Put URLs and email addresses inside
1353 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1355 * gcc.c (cpp_options): Set MD file name from output
1356 filename, if specified.
1357 (suffix_subst): New static variable.
1358 (do_spec): Clear it.
1359 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1361 (give_switch): Handle suffix_subst.
1363 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1365 * invoke.texi: Fix another typo.
1367 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1369 * invoke.texi: Fix typo.
1371 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1373 * c-lang.c (lang_hooks): Update.
1374 (lang_decode_option): Remove.
1375 (lang_init_options): Rename c_init_options.
1376 * toplev.c (main): Use lang_hooks for lang_init_options
1377 and lang_decode_option.
1378 * toplev.h (lang_hooks): Add 2 new hooks.
1379 * tree.h: Remove lang_init_options and lang_decode_option.
1380 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1381 * cp/decl2.c: Similarly.
1382 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1383 (lang_hooks): Update.
1384 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1386 (lang_init_options): Rename ffe_init_options.
1387 (lang_hooks): Update.
1388 (lang_decode_option): Remove.
1389 * java/lang.c (lang_init_options): Rename java_init_options.
1390 (lang_decode_option): Rename java_decode_option.
1391 (lang_hooks): Update.
1392 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1393 (lang_decode_option): Rename objc_decode_option.
1394 (lang_hooks): Update.
1396 2001-01-09 Nick Clifton <nickc@redhat.com>
1398 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1399 (d30v_return_addr_rtx): Delete.
1400 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1401 cfun->machine structure.
1402 (struct machine_function): Move to d30v.h
1403 (d30v_save_machine_status): Delete.
1404 (d30v_restore_machine_status): Delete.
1405 (d30v_init_machine_status): New Function.
1406 (d30v_mark_machine_status): New Function.
1407 (d30v_free_machine_status): New Function.
1408 (d30v_init_expanders): Use new functions.
1409 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1410 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1411 d30v_return_addr_rtx.
1413 * config/d30v/d30v.h (struct_machine): Move here.
1414 Add eh_epilogue_sp_ofs field.
1416 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1417 field in cfun->machine structure.
1419 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1421 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1422 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1423 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1425 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1427 * objc/lang-options.h: Remove bogus reference to
1430 2001-01-09 Kazu Hirata <kazu@hxi.com>
1432 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1435 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1437 * reload.c (find_reloads_address): Check for eliminable registers
1438 when substituting a constant expression for a pseudo.
1440 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1442 * c-common.c (enum format_type): Add format_type_error.
1443 (decode_format_type): New function.
1444 (decl_attributes): Use it.
1445 (format_kind_info): Adjust comment.
1447 2001-01-09 David O'Brien <obrien@BSDi.com>
1449 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1450 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1452 * config/i386/gnu.h: Don't include required platform specific .h files,
1453 tm.h will do it instead.
1454 * config/i386/i386elf.h: Likewise.
1455 * config/i386/linux.h: Likewise.
1456 * config/i386/moss.h: Likewise.
1457 * config/mips/gnu.h: Likewise.
1459 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1461 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1462 (rs6000-ibm-aix3.[01]*): Likewise.
1463 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1464 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1465 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1466 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1467 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1468 (powerpc-*-eabiaix*): Likewise.
1469 (powerpc-*-eabisim*): Likewise.
1470 (powerpc-*-elf*): Likewise.
1471 (powerpc-*-eabi*): Likewise.
1472 (powerpc-*-rtems*): Likewise.
1473 (powerpc-*-linux*libc1): Likewise.
1474 (powerpc-*-linux*): Likewise.
1475 (powerpc-wrs-vxworks*): Likewise.
1476 (powerpcle-wrs-vxworks*): Likewise.
1477 (powerpcle-*-sysv*): Likewise.
1478 (powerpcle-*-elf*): Likewise.
1479 (powerpcle-*-eabisim*): Likewise.
1480 (powerpcle-*-eabi*): Likewise.
1481 (powerpcle-*-solaris2*): Likewise.
1482 * config/rs6000/aix31.h: Delete includes.
1483 * config/rs6000/aix3newas.h: Likewise.
1484 * config/rs6000/aix41.h: Likewise.
1485 * config/rs6000/aix43.h: Likewise.
1486 * config/rs6000/beos.h: Likewise.
1487 * config/rs6000/rtems.h: Likewise.
1488 * config/rs6000/sysv4.h: Likewise.
1490 2001-01-09 Kazu Hirata <kazu@hxi.com>
1492 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1493 Change an argument mode of machine_mode to shift_mode of
1494 shift_mode. Remove an extra error check.
1495 (emit_a_shift): Adopt to the new calling prototype of
1497 (function_prologue): Fix code for a monitor
1498 function. Support H8/S.
1499 (function_epilogue): Do not output pop for a monitor function.
1501 2001-01-09 Nick Clifton <nickc@redhat.com>
1503 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1504 (setup_incoming_varargs): Use sysv_varargs_p field of the
1505 cfun->machine structure.
1506 (struct machine_function): Move to rs6000.h
1507 (rs6000_save_machine_status): Delete.
1508 (rs6000_restore_machine_status): Delete.
1509 (rs6000_init_machine_status): New Function.
1510 (rs6000_free_machine_status): New Function.
1511 (rs6000_init_expanders): Use new functions.
1513 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1515 (struct machine_function): Move here.
1517 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1518 sysv_varargs_p field of the cfun->machine structure.
1520 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1522 (rs6000_restore_machine_status): Remove prototype.
1524 2001-01-09 Richard Henderson <rth@redhat.com>
1526 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1527 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1528 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1529 (sched_analyze_2, sched_analyze_insn): Likewise.
1530 (sched_analyze, init_deps): Likewise.
1531 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1532 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1533 (compute_block_backward_dependences): Update propagate_deps call.
1535 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1537 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1539 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1541 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1542 (cpp_handle_option): Handle them.
1543 (cpp_post_options): Ensure one of -M or -MM is specified with
1544 any other -M? option.
1545 (init_dependency_output): Suppress output with -MG.
1547 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1550 * invoke.texi: Update.
1552 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1554 * sh.md (reload_outsf): Generate recognizable patterns for
1557 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1559 * c-lang.c (lang_hooks): Update.
1560 (lang_init): Rename c_init.
1561 (lang_finish): Remove.
1562 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1564 * toplev.h (lang_hooks): Add init () and finish ().
1565 * tree.h (lang_init, lang_finish): Remove.
1566 * cp/tree.h (lang_init, lang_finish): Remove.
1567 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1568 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1570 (lang_init, lang_finish): Remove.
1571 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1572 (lang_hooks): Update.
1573 * java/lang.c (lang_init): Rename java_init.
1574 (lang_finish): Remove.
1575 (lang_hooks): Update.
1576 * objc/objc-act.c (lang_init): Rename objc_init.
1577 (lang_finish): Remove.
1578 (lang_hoooks): Update.
1580 20001-01-09 Graham Stott <grahams@redhat.com>
1582 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1583 after `ptr` is initialised.
1585 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1587 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1588 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1589 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1590 stack adjusts, instead of r3.
1592 2001-01-09 Michael Hayes <mhayes@redhat.com>
1594 * flow.c (flow_loop_scan): Break out of ...
1595 (flow_loops_find) ... here.
1596 * basic-block.h (flow_loop_scan): New.
1597 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1598 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1600 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1602 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1604 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1605 realloc()ing macro_buffer.
1607 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1608 if it's wider than long and the target's long is wider than the
1611 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1613 Remove support for using UWIN as a host machine.
1614 * configure.in: Issue an error message.
1615 * configure: Regenerated.
1616 * config.gcc: Remove xm_* UWIN configury.
1617 * config/i386/xm-uwin.h: Remove.
1619 2001-01-08 Nick Clifton <nickc@redhat.com>
1621 * config/v850/v850.c (ra_rtx): Delete.
1622 (v850_save_machine_status): Delete.
1623 (v850_restore_machine_status): Delete.
1624 (v850_init_machine_status): New function.
1625 (v850_mark_machine_status): New function.
1626 (v850_free_machine_status): New function.
1627 (v850_return_addr): Use ra_rtx field in machine structure.
1628 (v850_init_expanders): Use new functions.
1630 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1631 * config/v850/v850.c: Change arguments to v850_output+* functions
1632 to take a const char *, to avoid compile time warning.
1633 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1634 (USER_LABEL_PREFIX): Redefine.
1636 2000-01-08 Jim Wilson <wilson@redhat.com>
1638 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1639 1 to unsigned HOST_WIDE_INT before left shift.
1641 2001-01-08 Nick Clifton <nickc@redhat.com>
1643 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1644 the machine structure has been allocated.
1645 (arm_free_machine_status): New function: Free the machine
1646 specific function structure.
1648 2001-01-08 Richard Henderson <rth@redhat.com>
1650 * jump.c (simplejump_p): Revert last change.
1652 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1654 * cppinit.c (init): Rename init_library.
1655 (cpp_create_reader): Update.
1656 * gcc.c (cpp_options): If -o given, use it as the target of
1659 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1661 * arm.c (arm_arch5e): New variable.
1662 (all_cores): XScale is a 5TE device.
1663 (arm_override_options): Set arm_arch5e.
1664 (arm_init_builtins): __builtin_prefetch is in arch5e.
1665 * arm.h (arm_arch5e): Declare it.
1667 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1669 * arm.md (define_constants): Add defines for UNSPEC and
1670 UNSPEC_VOLATILE insns. Update all users.
1671 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1672 * arm.c (multi_register_push, note_invalid_constants)
1673 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1674 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1675 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1677 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1679 * jump.c (jump_optimize_1): Use reversed_comparison_code
1680 instead of can_reverse_comparison_p.
1681 (jump_back_p): Likewise.
1682 (invert_exp_1): Likewise.
1683 (thread_jumps): Likewise.
1684 * simplify-rtx.c (simplify_unary_operation): Likewise.
1685 (simplify_ternary_operation): Likewise.
1686 * cse.c (find_comparison_args): Convert to use
1687 can_reverse_comparison_p.
1688 (record_jump_equiv): Likewise.
1690 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1692 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1693 (EPILOGUE_USES): Define.
1694 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1695 automatically stack the LR if it isn't live.
1697 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1699 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1702 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1704 * ggc-page.c (max_alignment): New structure.
1705 (MAX_ALIGNMENT): New macro.
1706 (init_ggc): Use it to round up the sizes in the
1707 extra_order_size_table.
1709 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1711 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1714 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1716 * builtins.def (BUILT_IN_FPRINTF): New entry.
1718 * c-common.c (c_expand_builtin_fprintf): New function.
1719 (init_function_format_info): Handle __builtin_fprintf.
1720 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1721 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1723 * c-decl.c (duplicate_decls): Adjust comment.
1725 * extend.texi (fprintf): Document new builtin.
1727 2001-01-07 Richard Henderson <rth@redhat.com>
1729 * jump.c (simplejump_p): Recognize any single_set jump
1732 2001-01-07 Richard Henderson <rth@redhat.com>
1734 * configure.in (slibdir): Accept an --with-slibdir option.
1735 Use "test" not "[" in configure. Default to $(libdir).
1737 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1739 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1740 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1741 (SHLIB_LINK): Create links for the soname.
1742 * config/mips/t-iris6: Likewise.
1743 * config/sparc/t-slibgcc: Likewise.
1744 * config/sparc/t-slibgcc-sld: Likewise.
1746 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1748 * config/i386/i386.c (constant_call_address_operand): Accept
1749 (const (plus (symbol_ref) (const_int))).
1750 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1751 constant_call_address_operand.
1753 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1755 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1756 and LONG_LONG_TYPE_SIZE > 32.
1758 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1760 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1761 the previous change.
1763 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1765 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1767 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1768 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1769 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1772 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1774 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1776 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1778 * c-lang.c (c_post_options): Call cpp_post_options.
1779 * objc/objc-act.c (objc_post_options): Similarly.
1780 * cppmain.c (main): Similarly.
1781 * fix-header.c (read_scan_file): Similarly.
1782 * cppinit.c (cpp_start_read): Move option consistency checks
1783 to cpp_post_options. Don't call init_dependency_output.
1784 If needed, add default target and main file dependency.
1785 (OPT_MD, OPT_MMD): Remove.
1787 (cpp_handle_option): Update for OPT_* changes.
1788 (cpp_post_options): New.
1789 (init_dependency_output): Command line -MF overrides environment
1790 variables. Don't set default target etc. Suppress output
1791 if dependencies are going to stdout.
1792 (print_help): Update.
1793 * cpplib.h (cpp_post_options): New.
1794 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1796 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1798 * jump.c (comparison_dominates_p): Support unordered compares.
1800 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1802 * simplify-rtx.c (simplify_relational_operation): Always simplify
1803 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1806 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1808 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1809 (nonzero_bits): Likewise.
1810 (simplify_comparison): Likewise.
1811 (num_sign_bit_copies): Likewise; return more sane value depending
1812 on STORE_FLAG_VALUE.
1813 (known_cond): Do not assume EQ to be always true for equivalent
1816 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1818 * cse.c (fold_rtx): Handle unordered comparisons.
1820 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1822 * rtlanal.c (set_of_1): New static function.
1823 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1824 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1825 reg_set_last_last_regno): Remove.
1826 (set_of): New global function.
1827 (set_of_data): New structure.
1828 (reg_set_p, reg_set_last): Revamp for set_of.
1829 * rtl.h (set_of): New.
1831 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1833 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1834 * extend.texi: Document _Exit builtin.
1836 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1838 * (initialize, initialize_builtins,
1839 initialize_dependency_output, initialize_standard_includes):
1840 Rename s/initialize/init. Update.
1841 (init_dependency_output): Move to after
1842 cpp_handle_options, the correct location temporally at least.
1843 (opt_comp): Move next to init (), its caller. Fix prototype.
1844 (init): Make "initialized" local scope.
1845 (cpp_create_reader): Always call init ().
1846 (cpp_start_read): Update.
1847 (output_deps): New function, broken out of cpp_finish.
1848 (cpp_finish): Break out output_deps.
1850 2001-01-07 Richard Henderson <rth@redhat.com>
1852 * collect2.c (COFF specific stuff): Revert 12-06 patch
1853 to prototype system functions.
1855 2001-01-07 Michael Hayes <mhayes@redhat.com>
1857 * hard-reg-set.h: Add multiple include guard.
1858 * basic-block.h (struct loop): Add `sink' field.
1859 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1860 (emit_iv_add_mult): Delete.
1861 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1862 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1863 (unroll_loop): Remove end_insert_before argument.
1864 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1865 (maybe_eliminate_biv_1): Likewise.
1866 (emit_iv_add_mult): Delete.
1867 (gen_add_mult, loop_regs_update): New.
1868 (loop_insn_emit_after, loop_insn_emit_before): New.
1869 (loop_insn_sink, loop_insn_sink_or_swim): New.
1870 (emit_iv_add_mult): Delete.
1871 (scan_loop): Set loop->sink.
1872 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1873 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1874 (maybe_eliminate_biv_1): Likewise.
1875 (maybe_eliminate_biv_1): Add basic block argument.
1876 * unroll.c (unroll_loop): Remove end_insert_before argument.
1877 (find_splittable_regs): Likewise.
1878 (find_splittable_regs): Use loop_insn_sink and its ilk.
1879 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1881 2001-01-07 Michael Hayes <mhayes@redhat.com>
1883 * loop.h (loop_insn_hoist): New prototype.
1884 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1885 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1886 (check_dbra_loop, load_mems): Likewise.
1887 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1888 (find_splittable_givs): Likewise.
1890 2001-01-07 Michael Hayes <mhayes@redhat.com>
1892 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1894 2001-01-07 Richard Henderson <rth@redhat.com>
1896 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1898 2001-01-07 Richard Henderson <rth@redhat.com>
1900 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1901 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1902 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1903 variant that handles a shared libgcc.
1904 (process_command): Always validate -{static,shared}-libgcc.
1905 (do_spec_1): New 'M' case.
1906 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1908 2001-01-07 Richard Henderson <rth@redhat.com>
1910 * Makefile.in (slibdir): New variable.
1911 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1912 (installdirs): Create slibdir.
1913 (install-libgcc, install-multilib): Defer to libgcc.mk.
1914 * configure.in (slibdir): Substitute.
1915 * mklibgcc.in (install): New target.
1917 * config/t-linux (SHLIB_LINK): Create links for the soname.
1918 (SHLIB_INSTALL): New.
1919 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1920 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1921 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1922 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1923 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1925 2001-01-07 Richard Henderson <rth@redhat.com>
1927 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1928 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1929 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1931 2001-01-07 Michael Hayes <mhayes@redhat.com>
1933 * loop.c (count_loop_regs_set): Delete.
1934 (load_mems_and_recount_loop_regs_set): Delete.
1935 (loop_regs_scan): Merge common code from count_loop_regs_set,
1936 scan_loop, and load_mems_and_recount_loop_regs_set.
1937 (scan_loop): Call load_mems directly and loop_regs_scan
1938 again if new registers created.
1940 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1942 * toplev.c (main): Call the front-end specific post_options
1943 hook if one is given.
1944 * toplev.h (struct_lang_hooks, lang_hooks): New.
1945 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1946 for the C front end.
1947 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1948 lang_hooks for the C++ front end.
1949 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1950 lang_hooks for the ObjC front end.
1951 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1952 * java/lang.c (lang_hooks): Hooks for the Java front end.
1954 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1956 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1957 for verbose DWARF[2] debugging.
1958 (cb_define, cb_undef): The new callbacks.
1959 * toplev.h (debug_define, debug_undef): Make const correct.
1960 * toplev.c (debug_define, debug_undef): Similarly. Do not
1961 perform the verbosity tests here anymore.
1963 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1965 * reload.c (subst_reloads): Take INSN argument. When
1966 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1967 * reload.h (subst_reloads): Adjust prototype.
1968 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1969 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1970 present in JUMP_INSNs and copy them to JUMP_LABEL.
1971 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1972 JUMP_INSNs and insns with REG_LABELs that are followed by
1973 JUMP_INSNs with the same REG_LABEL.
1974 * sched-rgn.c (is_cfg_nonregular): Likewise.
1975 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1977 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1979 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1981 2001-01-06 Richard Henderson <rth@redhat.com>
1983 * loop.c (scan_loop): Use xcalloc for the regs array.
1984 (load_mems_and_recount_loop_regs_set): Zero the new memory
1985 received from xrealloc.
1987 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1989 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1991 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1993 * integrate.c (copy_rtx_and_substitute): When copying
1994 an ignored return value, strip REG_FUNCTION_VALUE_P.
1996 2001-01-06 Michael Hayes <mhayes@redhat.com>
1998 * loop.c (debug_biv, debug_giv): New.
1999 (loop_biv_dump): Break out from ...
2000 (record_biv): ... here.
2001 (loop_giv_dump): Break out from ...
2002 (record_giv): ... here.
2003 (loop_bivs_check): Use print_simple_rtl.
2004 * unroll.c (loop_iterations): Use print_simple_rtl.
2006 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2008 * pa.md (return, return_internal): Modify patterns to prevent regrename
2009 mucking with the return pointer.
2011 2001-01-05 Richard Henderson <rth@redhat.com>
2013 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2015 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2017 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2018 version supplied by Matteo Frigo.
2020 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2022 * cpp.texi: Update for -MQ.
2023 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2024 (cpp_cleanup): Always free pfile->deps.
2025 (initialize_dependency_output): Don't create pfile->deps.
2026 (cpp_handle_option): Similarly.
2028 * gcc.c (cpp_options): Handle -MQ.
2029 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2030 * mkdeps.c (base_name): Remove.
2031 (deps_init): Don't allocate vector space until it's needed.
2032 (deps_free): Only free vectors if allocated.
2033 (deps_add_target, deps_add_dep): Update for initial allocation.
2034 (deps_add_default_target): Don't strip to the base_name.
2036 2001-01-05 DJ Delorie <dj@redhat.com>
2038 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2039 (INIT_EXPANDERS): Define.
2041 * config/v850/v850.c (struct machine_function): Define.
2042 (v850_save_machine_status): New function.
2043 (v850_restore_machine_status): New function.
2044 (v850_return_addr): New function.
2045 (v850_init_expanders): New function.
2047 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2048 and v850_init_expanders.
2050 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2052 * cpplib.h (struct cpp_reader): Add help_only field.
2053 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2054 (cpp_handle_option): Set pfile->help_only if we see -h,
2055 --help, -target-help, or --version. Print version string but
2056 do not set help_only if we see -v or -version. Make text
2057 printed by -v match that printed by (-)-version.
2059 * cppmain.c (main): Exit after option parsing if
2060 pfile->help_only is true.
2062 * toplev.c (independent_decode_option): Call print_version,
2063 then exit, if we see --version (but not -version).
2064 (print_version): Split lengthy message into two lines.
2066 2001-01-05 Nick Clifton <nickc@redhat.com>
2068 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2069 temporary string for initialisation before calling ggc_alloc_string.
2071 2001-01-06 Michael Hayes <mhayes@redhat.com>
2073 * rtl.h (print_simple_rtl): New.
2074 * print-rtl.c (print_simple_rtl): New.
2076 (print_rtx): Disable printing of flags and modes, etc.,
2077 if `flag_simple` nonzero.
2079 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2081 * function.c (fixup_var_refs): Use push_to_full_sequence where
2084 2001-01-05 Michael Meissner <meissner@redhat.com>
2086 * flags.h (flag_reorder_blocks): Add declaration.
2087 (flag_rename_block): Ditto.
2089 2001-01-05 DJ Delorie <dj@redhat.com>
2091 * function.c (reorder_blocks): Make sure the flags are all reset
2092 before using them to mark blocks, else a second invocation will
2093 corrupt the block chain.
2094 (reorder_blocks_0): New, resets the flags.
2096 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2098 * cse.c (find_comparison_args): Stop if the argument is known to
2101 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2103 * config/sh/sh.md (movdf): When splitting load into pair of
2104 registers, don't clobber the register used in the address too
2107 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2109 * varasm.c (mark_constant_pool): Improve initial comments.
2110 (mark_constants): Move marking of constants to mark_constant.
2111 (mark_constant): New function to recursively mark all constants
2112 referred to by a constant.
2114 2001-01-05 Catherine Moore <clm@redhat.com>
2116 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2118 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2120 * cp/lang-options.h: Bring comment in line with reality.
2121 * f/lang-options.h: Likewise.
2122 * java/lang-options.h: Likewise.
2123 * objc/lang-options.h: Likewise.
2124 * ch/lang-options.h: Likewise.
2125 * f/g77.texi: And update the manual.
2127 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2128 Denis Chertykov <denisc@overta.ru>
2130 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2131 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2132 * config/avr/avr.md (all peepholes that request a scratch register):
2133 Call it, FAIL the peephole if not safe (in interrupt functions).
2135 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2137 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2139 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2141 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2143 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2144 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2145 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2146 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2147 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2149 * extend.texi: Document these builtins.
2151 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2153 * c-common.c (lang_get_alias_set): Say we know nothing of
2154 VECTOR_TYPE aliasing.
2156 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2158 2001-01-05 Bruce Korb <bkorb@gnu.org>
2160 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2161 their x* equivalent versions for atexit-less systems
2162 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2163 systems (or any other system any more).
2165 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2167 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2168 output operands. Use arm_hard_register_operand for operand 4.
2169 (stmsi_postinc): Similarly.
2170 (ldmsi): Use arm_hard_register_operand for opernand 2.
2172 * arm.c (arm_hard_register_operand): New function.
2173 * arm-protos.h (arm_hard_register_operand): Prototype it.
2175 * arm.h (HARD_REGNO_RENAME_OK): Define.
2177 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2179 * simplify-rtx.c (cfc_args): add "unordered" field.
2180 (check_fold_consts): Set unordered field.
2181 (simplify_relational_operation): Simplify the unordered
2184 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2187 * emit-rtl.c (try_split): Fix code to mark labels.
2188 * jump.c (mark_jump_label): Make global.
2189 * rtl.h (mark_jump_label): Declare.
2191 * predict.c (estimate_probability): Handle unordred comparisons.
2193 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2195 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2196 * cppinit.c (initialize_dependency_output): Update.
2197 (cpp_finish): Output dummy targets for -MP.
2199 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2200 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2201 * gcc.c (cpp_options): Update to handle -MP.
2202 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2203 to quote only the default target.
2204 (deps_phony_targets): Insert a preceding newline. Rename from
2205 deps_dummy_targets for consistency.
2208 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2210 * calls.c (emit_library_call_value_1): Support
2211 INIT_CUMULATIVE_LIBCALL_ARGS.
2212 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2214 2001-01-04 Richard Henderson <rth@redhat.com>
2216 * c-decl.c (finish_struct): Detect flexible array members
2217 used in an inappropriate context.
2218 * c-typeck.c (really_start_incremental_init): Special case
2219 constructor_max_index for zero length arrays.
2220 (pop_init_level): Allow initialization of flexible array
2221 members. Deprecate initialization of zero length arrays.
2222 Don't issue missing initializer warning for flexible array
2223 members or zero length arrays.
2224 (process_init_element): Don't dereference null DECL_SIZE.
2225 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2226 Don't abort for empty constructors. Use size_binop
2227 (output_constructor): Add commentary regarding zero length
2228 array futures. Abort if we try to initialize an array of
2229 unspecified length with a non-empty constructor in the middle
2232 * extend.texi (Zero Length): Update and clarify documentation
2233 on static initialization.
2235 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2237 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2238 with more than 32767 words of local storage.
2240 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2242 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2243 for 'abs', 'labs', and 'fabs'.
2244 (c4x_expand_builtin): Likewise.
2245 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2247 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2249 * config/sh/sh.md (prget, prset): New insn types.
2250 (return delay slot): Dont' allow prset.
2251 (call, sfunc delay slot): Don't allow prget.
2252 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2253 for prset and prget.
2255 2001-01-05 Michael Hayes <mhayes@redhat.com>
2257 * loop.h (struct loop_reg): New.
2258 (struct loop_regs): Change to use array of `struct loop_reg'.
2259 * loop.c: Replace assortment of varrays with single regs array.
2260 (count_one_set): Delete may_not_move array argument
2261 and use regs array instead. All caller's changed.
2262 (count_loop_regs_set): Delete may_not_move and single_usage
2263 arguments and use regs array instead. All caller's changed.
2264 (find_single_use_in_loop): Replace usage array argument with pointer
2265 to regs structure. All caller's changed.
2266 (loop_optimize): Delete `moved_once' array.
2268 2001-01-05 Michael Hayes <mhayes@redhat.com>
2270 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2271 Use it instead of loop_info->has_call for scanning loop mems.
2272 (check_dbra_loop): Replace loop_info->has_call test with
2273 loop_info->has_nonconst_call.
2275 2000-01-04 Matthew Hiller <hiller@redhat.com>
2277 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2280 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2282 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2283 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2285 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2287 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2288 (flag_short_double, flag_short_wchar): Define.
2289 (c_common_nodes_and_builtins): Create many tree nodes shared
2290 between C and C++ here instead of in cp/decl.c and ...
2291 * c-decl.c (init_decl_processing): ... here.
2292 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2293 (flag_short_double, flag_short_wchar): Don't define.
2294 (record_builtin_type): New function.
2295 (build_void_list_node): New function.
2296 * c-common.h (flag_short_double, flag_short_wchar,
2297 record_builtin_type, build_void_list_node): Declare.
2299 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2301 * integrate.c (expand_inline_function): Don't put a virtual
2302 register into the reg map.
2304 * function.c (fixup_var_refs_1): If force_operand didn't put
2305 the address into the target, move it there.
2307 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2309 Special-case tree_decl/tree_list allocations.
2310 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2311 (OBJECT_SIZE): New macro.
2312 (NUM_EXTRA_ORDER): Likewise.
2313 (extra_order_size_table): New variable.
2314 (NUM_ORDERS): New macro.
2315 (objects_per_page_table): New variable.
2316 (object_size_table): New variable.
2317 (G.pages): Use NUM_ORDERS to bound the array.
2318 (G.page_tails): Likewise.
2319 (DIV_ROUND_UP): Remove.
2320 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2321 (alloc_page): Use OBJECT_SIZE.
2322 (size_lookup): Don't make it const.
2323 (ggc_alloc): Use OBJECT_SIZE.
2324 (ggc_set_mark): Likewise.
2325 (ggc_get_size): Likewise.
2326 (init_ggc): Set up the object_size_table, objects_per_page_table,
2327 and adjust size_lookup.
2328 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2329 (ggc_pop_context): Use NUM_ORDERS.
2330 (clear_marks): Likewise.
2331 (sweep_pages): Likewise.
2332 (poison_pages): Likewise.
2333 (ggc_print_statistics): Use OBJECT_SIZE.
2335 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2337 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2338 Only call array_size_for_constructor if last field and array type
2339 with no upper bound.
2341 2001-01-04 Philip Blundell <philb@gnu.org>
2343 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2344 from bit 31 downwards, if this requires no more insns.
2345 (count_insns_for_constant): New helper function for above.
2347 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2349 * gencodes.c (output_predicate_decls): Remove empty initializer.
2351 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2353 * tree.c (copy_node): Remove documentation about obstacks.
2354 (buidl1): Check that nobody tries to build 2-argument nodes this
2357 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2359 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2362 * gencodes.c (output_predicate_decls): Fill empty initializer
2365 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2367 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2368 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2370 (do_include): Handle missing headers like cpp0.
2371 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2372 paths with first include pathname. Don't strcat to uninitialized
2375 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2377 * regrename.c (regrename_optimize): Don't rename from frame pointer
2378 if frame_pointer_needed.
2379 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2380 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2381 (ia64_reorg): Use it instead of scheduling if ! optimize.
2382 (errata_emit_nops): Properly call asm_noperands.
2383 (ia64_sched_reorder): Finish cycle if we see an asm.
2384 (ia64_variable_issue): Clear scheduling state after asms.
2386 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2388 * cpp.texi: Update for -MT.
2389 * cppinit.c (initialize_dependency_output): Add a default
2390 target if none has been given already.
2391 (no_tgt, OPT_MT): New.
2392 (cpp_handle_option): Handle -MT. Update -M etc.
2393 * cpplib.h (struct cpp_options): Remove deps_target.
2394 * gcc.c (cpp_options): Handle -MT.
2395 * mkdeps.c (struct deps): Move from mkdeps.h.
2396 (deps_calc_target): Rename deps_add_default_target. Add a
2397 default target if none has been specified already.
2398 * mkdeps.h (struct deps): Move to mkdeps.c.
2399 (deps_calc_target): Rename deps_add_default_target.
2401 2000-01-03 Richard Henderson <rth@redhat.com>
2403 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2405 * c-typeck.c (push_init_level): Move checks for flexible array
2406 members and zero length arrays ...
2407 (pop_init_level): ... here. Silently discard empty initializations.
2409 * varasm.c (output_constructor): Update for sizeof change to
2412 * extend.texi (Zero Length): Clarify semantics.
2414 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2416 * configure.in (tm.h): Include isns-codes.h last.
2417 * configure: Rebuilt.
2419 2001-01-03 Richard Henderson <rth@redhat.com>
2421 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2422 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2424 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2426 * tradcpp.c (main): Make sure finclude() is called with a valid
2427 indepth value while handling -include.
2429 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2431 * gencodes.c (output_predicate_decls): New function.
2433 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2434 even if it is not the first time machmode.h is #included.
2435 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2436 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2437 * gcc.texi (Copyright): Added 2001.
2439 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2441 * c-common.c (c_common_lang_init): New function. Warn if format
2442 warning options which only have effects when used with -Wformat
2443 are used without -Wformat.
2444 * c-common.h (c_common_lang_init): Declare.
2445 * c-lang.c (lang_init): Call c_common_lang_init.
2446 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2448 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2450 * configure.in: Check for the mktemp command.
2451 * configure: Regenerate.
2452 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2453 $TEMP. Create temporary files with mktemp, if available at
2454 configure time; otherwise use set -C. Remove temporary files
2457 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2459 * configure.in: Require at least texinfo 4.0. Check for whether
2460 Pod::Man is sufficiently recent to regenerate GCC manpages.
2461 * configure: Regenerate.
2462 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2464 (GENERATED_MANPAGES): Define.
2465 (generated-manpages): New target. Depend on cpp.1 as well as
2467 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2468 configure to generated-manpages or empty) rather than on the
2469 manpages directly. Remove execute permission from installed
2470 gcov.1 as well as cpp.1.
2471 * cpp.1, gcov.1: Regenerate.
2473 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2475 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2476 tree_low_cst. Allow using cmpstrsi in more cases.
2478 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2480 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2483 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2485 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2486 * Makefile.in (HOST_CFLAGS): Mention build-make.
2488 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2490 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2493 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2495 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2498 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2501 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2502 reg_base_value and reg_known_value arrays.
2503 (init_alias_analysis): Add more cases to detect known values.
2504 * sched-deps.c (deps_may_trap_p): New function.
2505 (sched_analyze_2): Use it.
2507 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2509 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2510 don't discard an ASHIFTRT if we're shifting in a wider mode.
2512 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2514 * toplev.c (rest_of_compilation): Don't print basic block information
2515 when CFG isn't up to date.
2517 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2519 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2520 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2521 (UNALIGNED_SHORT_ASM_OP): Define.
2522 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2524 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2526 * fold-const.c (fold_convert): Fix typo.
2528 2001-01-02 Richard Henderson <rth@redhat.com>
2530 * c-common.h (ASM_INPUT_P): New.
2531 * c-parse.in (asm): Set it when needed.
2532 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2533 existance of an operand.
2535 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2537 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2538 (dwarf2out_frame_debug_expr): Likewise.
2539 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2541 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2543 * i386.c (ix86_split_to_parts): Return number of part required;
2545 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2547 (ix86_split_long_move): Use number of part returned
2548 by ix86_split_to_parts
2549 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2551 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2552 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2553 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2554 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2555 (ALIGN_MODE_128): Add TFmode.
2556 (IS_STACK_MODE): Likewise.
2557 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2558 (HARD_REGNO_OK): Support TFmodes.
2559 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2560 * i386.md (scheduler definitions): Use memory operand to determine
2561 fst/fld instructions; use mode attribute to determine real mode of
2563 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2564 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2566 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2568 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2570 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2572 * expr.c (store_constructor_field): Update ALIGN before calling
2575 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2577 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2580 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2582 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2585 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2587 * c-decl.c (start_function): Don't warn on third parameter to main.
2589 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2591 * tsystem.h: Define HAVE_DECL_GETOPT.
2593 2001-01-02 Philip Blundell <pb@futuretv.com>
2595 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2598 2001-01-02 Richard Henderson <rth@redhat.com>
2600 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2602 2001-01-02 Andreas Jaeger <aj@suse.de>
2604 * c-decl.c (c_decode_option): Remove support of
2607 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2608 (W_options): Add -Wmissing-noreturn here.
2610 * flow.c: Define lang_missing_noreturn_ok_p.
2611 (check_function_return_warnings): Use it.
2613 * c-common.h: Declare lang_missing_noreturn_ok_p.
2615 * c-lang.c (c_missing_noreturn_ok_p): New function.
2616 (lang_init): Set lang_missing_noreturn_ok_p.
2618 * invoke.texi (Warning Options): Document this.
2620 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2622 * extend.texi (C++ Extensions): New node for C++ attributes;
2623 describe init_priority and com_interface.
2624 * invoke.texi: Remove -finit-priority as it now has zero effect.
2625 * install.texi: Fix xref syntax.
2626 * md.texi: Likewise.
2628 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2630 * config.gcc (sparc64-wrs-vxworks*): New case.
2631 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2633 * config/sparc/sparc.c (sparc_override_options): Do support different
2634 pointer and architecture size.
2635 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2636 (POINTERS_EXTEND_UNSIGNED): Define.
2637 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2638 (FUNCTION_MODE): Define to be Pmode.
2639 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2641 * function.c (expand_function_end): Properly handle DECL_RESULT
2642 and copy when ptr_mode != Pmode.
2643 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2645 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2647 * c-common.c (c_common_nodes_and_builtins): Set prototype
2648 parameters for __builtin_fputs, __builtin_fputc and
2649 __builtin_fwrite. Don't declare plain fputc as a builtin.
2651 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2653 * loop.c (add_label_notes): Increment the label usage count when
2654 a note is added to an insn which refers to a CODE_LABEL.
2655 * gcse.c (add_label_notes): Likewise.
2657 2001-01-01 Andreas Jaeger <aj@suse.de>
2659 * loop.c (scan_loop): Use xmalloc to allocate movables.
2661 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2663 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2664 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2665 * reload1.c (REGISTER_MOVE_COST): Likewise.
2666 * regclass.c (REGISTER_MOVE_COST): Likewise.
2667 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2668 dimension. Adjust all users.
2669 (init_reg_sets_1): Iterate on all modes.
2670 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2671 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2672 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2673 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2674 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2675 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2676 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2677 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2678 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2679 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2680 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2681 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2682 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2683 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2684 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2685 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2686 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2687 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2688 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2689 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2690 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2691 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2692 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2693 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2694 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2695 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2696 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2698 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2700 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2701 arg VARIES_P. Call it with extra arg.
2702 (true_dependence): Likewise.
2703 * rtl.h (rtx_addr_can_trap_p): Declare.
2704 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2706 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2707 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2708 pic offset table register if it's zero. All callers changed.
2709 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2711 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2713 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2714 STRING_POOL_ADDRESS_P.
2716 * config/sparc/sparc.c (input_operand): Properly test for short op.
2718 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2719 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2720 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2721 * config/sparc/elf.h: No longer include sol2.h.
2722 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2723 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2725 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2727 2001-01-01 Michael Hayes <mhayes@redhat.com>
2729 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2730 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2731 (record_initial): Likewise.
2732 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2733 (remap_split_bivs): Likewise.
2735 2001-01-01 Michael Hayes <mhayes@redhat.com>
2737 * loop.c (loop_ivs_free): New function.
2738 (strength_reduce): Break out from...
2740 2001-01-01 Michael Hayes <mhayes@redhat.com>
2742 * loop.h (struct iv): New.
2743 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2744 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2745 'reg_biv_class' fields with 'regs' and 'n_regs'.
2746 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2747 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2748 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2750 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2752 * resource.c (mark_referenced_resources): Abort() before
2753 attempting to mark a pseudo register.
2754 (mark_set_resources): Likewise.
2756 2001-01-01 Michael Hayes <mhayes@redhat.com>
2758 * loop.h (REG_IV_CLASS): New accessor macro.
2759 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2760 * unroll.c (REG_IV_CLASS): Likewise.
2762 See ChangeLog.4 for earlier changes.