1 2001-01-25 Michael Hayes <mhayes@redhat.com>
3 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4 (loop_insn_emit_before): No longer static.
5 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6 (loop_givs_rescan, load_mems): Likewise.
7 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8 (maybe_eliminate_biv_1):
9 (move_movables): Replace emit_call_insn_before with
11 * loop.h (loop_insn_emit_before): Add.
12 * unroll.c (copy_loop_body): Replace emit_insn_before with
13 loop_insn_emit_before.
15 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
17 * diagnostic.c (fatal): Request preprocessed source.
19 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
21 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
22 olddecl has argument types and newdecl has none, use the argument
25 2001-01-24 Ulrich Drepper <drepper@redhat.com>
27 * dwarf2out.c (prefix_of): New function. Determine longest common
28 prefix of the two arguments. The units are whole path components.
29 (output_file_names): When adding a new directory find the one entry
30 with the longest common prefix already in the list. Artificially
31 generate entry if there is none for this prefix.
32 Fix test to check whether the zeroth directory entry is used.
34 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
36 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
37 Changed all callers. Take it into account when deciding if a
38 previously loaded value matches.
40 2001-01-24 Richard Henderson <rth@redhat.com>
42 * reload.c (find_reloads_subreg_address): Fail the substitution
43 if the resulting address is insufficiently aligned.
45 2001-01-24 DJ Delorie <dj@redhat.com>
47 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
48 check the original operand's mode also.
49 * simplify-rtx.c (simplify_ternary_operation): Ditto.
51 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
53 * c-parse.in (cast_expr): Move compound literals from here ...
54 (primary): ... to here. Use standard terminology "compound
55 literal" instead of "constructor expression".
57 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
59 * gcc.1, cpp.1: Regenerate.
61 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
63 * calls.c (emit_library_call_value_1): Memory slot for
64 pass-by-reference argument should have the mode of the argument,
65 not of the pointer to it.
67 2001-01-24 Tom Tromey <tromey@redhat.com>
69 * gcc.texi (G++ and GCC): Mention gcj manual.
70 (Standards): Link to section of manual mentioning gcj/Java
73 2001-01-24 Jakub Jelinek <jakub@redhat.com>
75 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
76 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
77 * tradcpp.c (main): Add -imacros or -include'd dependencies
79 * cpp.texi (-M, -MM): Document -M -include behaviour.
81 2001-01-24 Roger Collins <roger@ProProject.com>
83 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
85 2001-01-24 Will Cohen <wcohen@redhat.com>
87 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
88 whether registers are 32 bits or 64 bits in size.
90 2001-01-24 Ben Elliston <bje@redhat.com>
92 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
94 2001-01-24 Richard Henderson <rth@redhat.com>
96 * config/alpha/alpha.md (builtin_longjmp_internal): New.
97 (builtin_longjmp): Use it instead of emit_indirect_jump.
99 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
101 * bb-reorder.c (make_reorder_chain_1): Handle case where
102 jump edge goes to the same block as the fallthru edge.
104 2001-01-23 Jim Wilson <wilson@redhat.com>
106 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
107 * frame.h (__ia64_personality_v1): Add prototype.
108 * libgcc2.c (ia64_throw_helper): Change personality declaration to
109 prototype form. Add void * cast to first argument to personality
111 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
112 (asctoe113): Likewise.
113 * config/ia64/frame-ia64.c: Include eh-common.h.
114 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
116 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
118 (itanium_split_issue): Add prototype.
119 (gen_nop_type): Ifdef out.
120 (find_best_packet): Initialize best_packet.
121 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
123 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
124 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
125 (flushrs): Add explicit stop bit at end.
126 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
129 2001-01-23 Chris Demetriou <cgd@broadcom.com>
131 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
133 * libgcc2.c (__terminate_func): Make variable static.
134 (__terminate_set_func): New function to set __terminate_func.
135 * libgcc2.h (__terminate_func_ptr): New typedef.
136 (__terminate_set_func): New function.
138 2001-01-23 Richard Henderson <rth@redhat.com>
140 * flow.c (init_propagate_block_info): Don't consider unchanging
141 memories for dead frame store elimination.
143 2001-01-23 Richard Henderson <rth@redhat.com>
145 * varasm.c (UNIQUE_SECTION): Move default implementation ...
146 * defaults.h: ... here.
148 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
150 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
152 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
154 * c-lex.c (lex_charconst): Fix typo: s/p/str.
156 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
158 * rs6000.h (rs6000_return_addr): Move prototype from here...
159 * rs6000-protos.h (rs6000_return_addr): ...to here.
160 (rs6000_init_expanders): Delete prototype.
162 2001-01-23 Nick Clifton <nickc@redhat.com>
164 * invoke.texi: Replace , with \, inside @gccoptlist macros.
165 (Spec Files): Document %B and %j and %. and %v3 and %M and
166 %{S*&T} spec switches.
168 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
170 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
172 2001-01-23 Chris Demetriou <cgd@sibyte.com>
173 Neil Booth <neil@daikokuya.demon.co.uk>
175 * cpperror.c: Merge handlers of PEDWARN and WARNING.
176 Have -Werror make pedantic warnings errors, like the
179 2001-01-23 Phil Edwards <pme@sources.redhat.com>
181 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
183 2001-01-23 Jakub Jelinek <jakub@redhat.com>
185 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
186 * integrate.c (expand_inline_function): Initialize them.
187 (subst_constants): If changing COMPARE so that both its arguments
188 will be VOIDmode and the comparison mode will be lost, note
189 compare_mode. Use the recorded compare_mode to optimize
192 2001-01-23 Jason Merrill <jason@redhat.com>
194 * dwarf2out.c (new_die): Use xcalloc.
195 (output_die): Abort rather than emit a local reference to offset 0.
197 2001-01-17 Andrew Haley <aph@redhat.com>
199 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
200 of a saved register; return NULL instead.
201 (copy_reg): Take a pointer to a source register rather than a
203 (next_stack_level): Remember the address in the stack frame of all
205 Use the saved register pointer array as the source of the CFA.
206 (throw_helper): Rewrite. Unwind once rather than twice and keep
207 track of saved registers as we go.
209 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
211 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
212 * c4x.c (c4x_legitimize_reload_address): Remove.
213 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
214 reload address for ldp(k) insn.
216 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
218 * pa.md (return_internal): Add a USE of the PIC register to ensure
219 it is restored after each call.
220 (return expander): Corresponding changes.
222 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
224 * rs6000.h (INIT_EXPANDERS): Delete.
225 (RETURN_ADDR_RTX): Call rs6000_return_addr().
226 * rs6000.c (rs6000_override_options): Call *_machine_status from
228 (rs6000_init_expanders): ...instead of here. Delete.
229 (rs6000_mark_machine_status): New function.
230 (rs6000_init_machine_status): Use xcalloc.
231 (rs6000_return_addr): Generate RTX for the return address.
232 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
233 (rs6000_stack_info): Use it.
235 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
237 * gthr-win32.h: Include errno.h to get a declaration for
238 EINVAL and _mingw.h if the target is mingw32.
240 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
242 * cpp.texi: Correct typos.
244 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
246 * explow.c (probe_stack_range): Ensure value passed to
247 stack_check_libfunc is ptr_mode, not Pmode.
249 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
251 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
252 case, don't use operand_subword to calculate a SUBREG that is
255 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
257 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
259 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
260 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
261 valid. If not replace it by equivalent insns.
263 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
265 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
266 contains SYMBOL_REF, LABEL_REF and CONST_INT.
267 (c4x_U_constraint, symbolic_address_operand): Likewise.
268 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
270 (c4x_r11_set_p, c4x_check_laj_p): New functions.
271 * c4x-protos.h (c4x_check_laj_p): Add prototype.
272 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
273 anulling slot because of silicon bug.
274 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
276 2001-01-22 Alan Modra <alan@linuxcare.com.au>
278 * cppexp.c (parse_charconst): Change `mask' type to agree
281 2001-01-21 Richard Henderson <rth@redhat.com>
283 * config/i386/i386.c (ix86_asm_file_end): Disable putting
284 pic_label_name in a linkonce section.
286 2001-01-17 Philipp Thomas <pthomas@suse.de>
288 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
290 * configure: Regenerate.
292 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
294 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
295 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
297 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
299 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
300 If REVERSE nonzero then condition code in X must be reversed.
301 (encode_section_info): Optimise if/else.
302 (avr_function_value): Fix formatting.
304 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
305 (difficult_branch): Likewise.
306 (rvbranch): Likewise.
307 (difficult_rvbranch): Likewise.
309 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
311 * config/avr/libgcc.S: Fix comment.
313 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
315 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
317 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
319 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
321 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
323 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
324 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
325 * configure, config.in: Regenerate.
326 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
327 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
328 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
329 (doprint.o): New rule.
331 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
333 * c-typeck.c (digest_init): Handle boolean types as scalars.
335 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
337 * stmt.c (expand_return): Don't return anything if size is zero.
338 Delete redundant assignment to BYTES.
339 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
341 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
343 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
344 the same as the default library function names.
345 * config/avr/avr.md: Document special characters after '%'.
346 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
347 knowing which of the call-used registers are really clobbered.
348 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
349 New. Both quotient and remainder from one libgcc.S call.
350 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
351 clobber as few registers as possible.
352 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
354 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
356 * cppmacro.c (funlike_invocation_p): Don't move back up to the
357 context of the top of the stack.
359 2001-01-20 Jakub Jelinek <jakub@redhat.com>
361 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
362 (fixup_var_refs_insns): ...here.
364 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
366 * function.c (fixup_var_refs_insns): Break up into
367 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
368 [loop over entire insn list], and fixup_var_refs_insns_with_hash
369 [loop over hash table entries].
370 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
371 fixup_var_refs_insns_with_hash, to match above changes.
373 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
375 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
376 (libgcc.a): Likewise.
377 (stmp-multilib): Likewise.
378 (STAGE2_FLAGS_TO_PASS): Likewise.
380 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
382 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
383 temporary if no_new_pseudos.
385 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
387 * cppinternals.texi: Update.
389 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
391 * arm.c (arm_init_builtins): Re-enable builtins.
393 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
395 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
396 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
397 element to be null, and always expect an EXPR_LIST.
398 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
399 * sched-deps.c (sched_analyze_1): Likewise.
400 * sched-rgn.c (check_live_1, update_live_1): Likewise.
402 * regclass.c (max_set_parallel): New variable.
403 (reg_scan): Take it into account in computation of max_parallel.
404 (reg_scan_mark_refs, case SET): Compute it.
406 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
408 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
409 * function.c (assign_parms): Use INTVAL for a CONST_INT.
411 2001-01-19 Jason Merrill <jason@redhat.com>
413 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
414 for the abstract instance of an inline function.
416 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
417 J"orn Rennecke <amylaar@redhat.com>
419 * reload1.c (move2add_note_store): Treat all registers directly or
420 indirectly derived from a base register as members of the same set
422 (reload_cse_move2add): Adjust accordingly. Take mode and offset
423 of base register into account.
425 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
427 * alias.c (find_base_value): Recognize TRUNCATE.
428 (record_set): In PLUS case, invalidate if other summand is also a
431 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
433 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
434 entry to be EXPR_LIST.
435 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
436 be an EXPR_LIST (but not null, which other code doesn't allow).
437 (note_stores): Properly handle PARALLEL in SET.
438 Recursively call for top-level PARALLEL.
439 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
440 * sched-rgn.c (check_live_1, update_live_1): Likewise.
442 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
444 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
446 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
447 not pfile->skipping (== 0).
449 2001-01-17 Nick Clifton <nickc@redhat.com>
451 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
454 2001-01-17 Jim Wilson <wilson@redhat.com>
456 * invoke.texi (IA-64 options): Improve.
458 2001-01-17 Tom Tromey <tromey@redhat.com>
460 * invoke.texi (Optimize Options): Use `{}' to around @samp
463 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
465 * invoke.texi (-fno-guess-branch-probability): New option.
467 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
469 * combine.c (try_combine): Don't set i3_subst_into_i2 for
470 case of making new double-word constant.
471 Revert last change: instead just test i3_subst_into_i2.
473 2001-01-17 Jakub Jelinek <jakub@redhat.com>
475 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
476 Use q constraints instead of r.
478 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
480 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
481 (machine_function): Define.
482 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
483 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
484 pa_free_machine_status): New functions.
485 (override_options): Set {init,mark,free}_machine_status to above.
486 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
487 PIC_OFFSET_TABLE_REGNUM_SAVED.
488 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
489 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
490 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
491 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
492 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
494 2001-01-15 DJ Delorie <dj@redhat.com>
496 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
500 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
502 * flow.c (propagate_on_insn): Make trying to delete a prologue
503 or epilogue insn an ICE, not a warning. Allow doing this if
504 the current function returns with stack pointer depressed.
506 * combine.c (try_combine): If i3_subst_into_i2, properly check for
507 I3 having more than one SET.
509 2001-01-16 Jim Wilson <wilson@redhat.com>
511 * invoke.texi: Document IA-64 options.
513 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
514 (fixup_errata): Delete TARGET_A_STEP use.
515 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
516 (TARGET_SWITCHES): Delete -ma-step option.
517 * config/ia64/ia64.md (all FP patterns): Delete %B0.
518 (movqicc_astep, movqi_internal_astep, movhicc_astep,
519 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
520 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
521 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
522 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
524 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
525 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
526 cmovsi_internal): Delete ! TARGET_A_STEP check.
528 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
530 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
531 possibility to report bugs via postal mail. Change a URL and
532 merge in a nearly duplicate statement...
533 (Bug Reporting): ...from here.
534 (Service): Refer to the Bug Reporting section instead of
536 (Contributing): Remove trivial explanations concerning snapshots.
538 2001-01-16 Alan Modra <alan@linuxcare.com.au>
540 * cppmain.c (general_init): Don't use ANSI prototype.
542 2001-01-16 Tom Tromey <tromey@redhat.com>
544 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
546 2001-01-16 Richard Henderson <rth@redhat.com>
548 * config/i386/i386.h: Fix comment typo.
549 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
550 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
552 2001-01-16 Phil Edwards <pme@sources.redhat.com>
554 * gcc.c: Revert previous -fsyntax-only-related change; move
557 2001-01-16 Jakub Jelinek <jakub@redhat.com>
559 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
560 inmode after checking GET_CODE (op).
562 2001-01-16 Richard Henderson <rth@redhat.com>
564 * flow.c (struct propagate_block_info): Add mem_set_list_len.
565 (MAX_MEM_SET_LIST_LEN): New.
566 (propagate_one_insn): Update mem_set_list_len.
567 (invalidate_mems_from_autoinc): Likewise.
568 (invalidate_mems_from_set): Likewise.
569 (mark_used_regs): Likewise.
570 (init_propagate_block_info): Likewise. Stop collecting memories
571 when we reach MAX_MEM_SET_LIST_LEN.
572 (mark_set_1): Likewise.
574 2001-01-16 Richard Henderson <rth@redhat.com>
576 * unroll.c (precondition_loop_p): Fail if no iteration
579 2001-01-16 Phil Edwards <pme@sources.redhat.com>
581 * gcc.c: When -fsyntax-only is given, do not complain about
584 2001-01-15 Richard Henderson <rth@redhat.com>
586 * config/i386/i386.c (asm_output_function_prefix): Remove.
587 (ix86_asm_file_end): New.
588 (load_pic_register): Generate pic_label_name into a
589 staticly allocated buffer.
590 * config/i386/i386-protos.h: Update.
591 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
593 * config/i386/i386afe.h: New file.
594 * config.gcc (i?86-*-elf) [tm_file]: Use it.
595 (i?86-*-{freebsd,linux*,moss*}): Likewise.
596 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
597 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
598 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
599 * config/i386/sco5.h (ASM_FILE_END): Likewise.
600 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
602 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
604 * Makefile.in (install-man): Remove explicit dependency on
607 * configure.in, configure: Revert previous patch requiring perl
610 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
612 * toplev.c (flag_guess_branch_prob): New.
613 (f_options): Add guess-branch-probability option.
614 (rest_of_decl_compilation): Only estimate branch probability if
616 (main): set flag_guess_branch_prob.
618 * flags.h (flag_guess_branch_prob): New.
620 2001-01-15 DJ Delorie <dj@redhat.com>
622 * gcc.texi (Makefile): Add documentation for Makefile targets.
624 2001-01-15 Philip Blundell <philb@gnu.org>
626 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
628 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
629 (is_pic): Delete declaration.
630 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
631 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
632 * config/arm/arm.md (builtin_setjmp_receiver): New.
634 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
636 * arm.c (use_return_insn): Don't try to determine the function type
637 until after reload has completed.
638 (arm_output_epilogue): Don't adjust the sp value recovered from the
640 (emit_multi_reg_push): Don't record dwarf information for the pc.
641 * arm.md (eh_epilogue): The function type may have changed, so it
642 needs to be recalculated.
643 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
644 unwind tables on arm/netbsd.
646 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
648 * arm.md (cbranchsi4): Correct calculation of branch ranges.
649 (negated_cbranchsi4): Likewise.
651 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
653 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
654 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
655 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
656 pass -mapcs-* options to assembler.
657 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
658 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
659 (ASM_SPEC): Call subtarget_extra_asm_spec.
661 2001-01-15 Andreas Jaeger <aj@suse.de>
663 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
665 (ix86_expand_builtin): Likewise.
667 * gencodes.c (output_predicate_decls): Make i size_t to avoid
668 warning about comparison between signed and unsigned.
670 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
672 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
674 2001-01-14 Ralf Baechle <ralf@gnu.org>
676 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
677 SUBTARGET_CPP_SPEC apropriatly.
679 2001-01-12 Mark Mitchell <mark@codesourcery.com>
681 * varasm.c (make_decl_rtl): Fix typo in last change.
683 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
685 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
686 linker supports the init_priority C++ attribute.
687 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
688 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
689 linker does not support init_priority C++ attribute.
691 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
693 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
695 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
697 * c-parse.in (finish_parse): Add comment about cpp_destroy.
698 * cp/lex.c (finish_parse): Similarly.
699 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
700 Return the number of errors encountered.
701 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
702 * cppmain.c (main): Don't call cpp_destroy.
704 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
706 * configure.in: Require at least perl 5.6.0 to regenerate
708 * configure: Regenerate.
710 2001-01-14 Richard Henderson <rth@redhat.com>
712 * genrecog.c (DT_veclen_ge): New.
713 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
714 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
715 (nodes_identical_1): Handle DT_veclen_ge.
716 (write_cond, debug_decision_2): Likewise.
718 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
720 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
722 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
724 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
726 * cppmain.c (do_preprocessing): New function; most of the old
728 (main): Call it to do most of the work.
729 (cb): Move from global scope to set_callbacks ().
730 (setup_callbacks): Get the callback pointer.
731 (general_init, printer_init): Clean up code and comments.
733 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
735 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
738 2001-01-14 Kazu Hirata <kazu@hxi.com>
740 * config/h8300/h8300.c (get_shift_alg): Update comments.
742 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
744 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
745 (alloc_page, ggc_alloc): Add casts to remove warnings.
747 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
749 * combine.c (simplify_comparison): Don't change `code' when
750 can't reverse comparison.
752 2001-01-14 Richard Henderson <rth@redhat.com>
754 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
755 update all call sites. Return true for all non-label constants.
757 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
759 * i386.c (ix86_expand_compare): Add bypass_test and second_test
761 (ix86_expand_branch): Update.
762 (ix86_expand_setcc): Update to handle multiple test conditions.
763 (expand_int_movcc): Likewise.
764 (expand_fp_movcc): Likewise.
765 * i386-protos.h (ix86_expand_compare): New.
766 * i386.md (andqi_?_slp, orqi_?_slp): New.
767 (conditional trap expander): Update call to ix86_expand_compare.
769 2001-01-14 Richard Henderson <rth@redhat.com>
771 * config/vax/vax.md: Use nonimmediate_operand instead of
772 general_operand in destinations.
774 * config/vax/vax.md (indirect_jump): Use register_operand.
776 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
777 * config/vax/vax.md (call_pop): Turn into an expander.
778 (call_value_pop): Likewise.
779 (call, call_value): New.
781 2001-01-14 Andreas Jaeger <aj@suse.de>
783 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
785 (ix86_fp_compare_mode): Add unused attribute.
786 (ix86_expand_fp_movcc): Remove unused variable.
787 (ix86_expand_builtin): Make fcode unsigned.
789 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
790 (expand_expr): Add cast to avoid signed warning.
791 (store_field): Likewise.
792 (store_constructor_field): Likewise.
793 (store_constructor): Likewise.
794 (store_expr): Likewise.
795 (clear_storage): Likewise.
796 (emit_group_store): Likewise.
797 (emit_group_load): Likewise.
799 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
801 * c-common.c: Move format checking code to ...
802 * c-format.c: ... here. New file. Reorder some functions and
804 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
806 * c-common.h (decl_handle_format_attribute,
807 decl_handle_format_arg_attribute): Declare.
808 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
809 (c-common.o): Adjust dependencies.
810 (c-format.o): New list of dependencies.
812 2001-01-13 Jakub Jelinek <jakub@redhat.com>
814 * unroll.c (loop_iterations): If we cannot prove iteration variable
815 is set once in each iteration, punt.
817 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
819 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
820 (*strlenhi): Remove clobber (which was buggy) of output address.
822 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
824 * Makefile.in (generated-manpages): Add gcc.1
825 ($(srcdir)/gcc.1): New target.
826 (maintainer-clean): Delete $(srcdir)/gcc.1.
827 * gcc.texi: Add macros @gccoptlist and @gol.
828 * invoke.texi: Include option summary in manpage. Mark up option
829 summary with @gccoptlist and @gol. Use @r in one place where
831 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
832 * gcc.1: Generate from invoke.texi.
834 2001-01-13 Richard Henderson <rth@redhat.com>
836 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
837 (struct page_entry): Add group member.
838 (struct page_group): New.
839 (struct globals): Add page_groups member.
840 (alloc_anon): Only define for using mmap; remove valloc call.
841 (page_group_index): New.
842 (set_page_group_in_use): New.
843 (clear_page_group_in_use): New.
844 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
845 (free_page, release_pages): Likewise.
846 * configure.in (with-gc): Default to ggc-page always.
848 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
850 * reload1.c (replace_pseudos_in_call_usage): Use
851 reg_equiv_constant and reg_equiv_address, and don't try
854 2001-01-13 Richard Henderson <rth@redhat.com>
856 * ggc-page.c (alloc_page): Round up allocation size to one page.
857 Set e->order on extra pages.
859 2001-01-13 Richard Henderson <rth@redhat.com>
861 * genrecog.c (nodes_identical): Expand commentary.
862 (write_switch): Watch out for identical nodes.
864 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
866 * cppfiles.c (_cpp_fake_include): New function.
867 * cpphash.h (_cpp_fake_include): New.
868 * cpplib.c (do_line): Call _cpp_fake_include when entering
869 header files in preprocessed input.
870 * cppmain.c (cb_pragma_implementation): Remove handling.
871 (setup_callbacks): Don't register pragmas.
873 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
875 * extend.texi: Udate for CPP.
877 2001-01-13 Andreas Jaeger <aj@suse.de>
879 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
881 * regmove.c: Add prototype for replace_in_call_usage.
883 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
885 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
886 struct cpp_chunk, struct htab, struct toklist,
887 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
888 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
889 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
890 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
891 (struct macro_args): Delete.
892 * cpphash.h: See above.
894 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
896 * cppmain.c (struct printer): Remove no_line_dirs.
898 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
899 : Use options rather than CPP_OPTION.
900 (setup_callbacks): Use cb rather than pfile->cb.
901 (main): No need to check for a buffer. Use cpp_errors.
902 (printer_init): Don't set no_line_dirs.
903 (maybe_print_line): Use options not no_line_dirs.
904 (cb_file_change): Don't call print_line if -P.
906 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
908 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
910 * c-parse.in (finish_parse): Use cpp_errors.
911 (__yylex): Use return value of cpp_pop_buffer.
912 * cp/lex.c (finish_parse): Use cpp_errors.
913 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
915 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
917 * README.AVR: URLs corrected.
919 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
921 * c-decl.c (start_function): Don't warn if old prototype is builtin
922 that's not in C's namespace.
923 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
924 (_bb): Add prototype for ctime.
925 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
927 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
929 * i386.c (ix86_fp_comparison_arithmetics_cost,
930 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
931 ix86_fp_comparison_cost): New functions.
932 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
933 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
934 two-branch sequences; make static.
935 (ix86_use_fcomi_compare): Do decision according to the costs.
936 (split_fp_branch): New.
937 * i386.md (compare-and-branch patterns): Use split_fp_branch.
938 * i386-protos.h (ix86_expand_fp_compare): Remove
939 (ix86_split_fp_branch): Declare.
941 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
942 and ix86_comparison_operator.
944 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
947 * i386.c (put_condition_code): Output properly the unordered/ordered
949 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
951 * tm.texi (REVERSE_CONDITION): Document.
952 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
954 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
956 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
958 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
960 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
963 * config/sh/sh.c (mova_p): Fix test for mova_const.
965 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
967 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
968 cpp_get_options rather than dereferencing pfile and using
970 * scan-decls.c (scan_decls): Use return value of
971 cpp_pop_buffer rather than CPP_BUFFER.
973 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
975 * cppinit.c (cpp_handle_option): help_only is now part of the
976 cpp_options structure.
977 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
978 cpp_set_callbacks): New functions.
979 * cpplib.h (cpp_callbacks): Break out as a named structure.
980 (cpp_options): Move help_only here from cpp_reader.
981 (CPP_FATAL_ERRORS): Update to use cpp_errors.
982 (cpp_errors, cpp_get_options, cpp_get_callbacks,
983 cpp_set_callbacks): New prototypes.
984 * cppmain.c (main): Update for help_only.
986 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
988 * Makefile.in (info, maintainer-clean, install-info, uninstall):
989 Also build and remove and install and uninstall c-tree.info and
991 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
992 ($(srcdir)/cppinternals.info): New target.
993 * c-tree.texi: Change file name used when makeinfo used without -o
994 from ir.info to c-tree.info. Add info directory entry.
995 * cppinternals.texi: Add info directory entry.
996 * .cvsignore: Update.
998 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1000 * c-typeck.c (store_init_value): Don't require constant initializer
1001 elements with -pedantic -std=c99.
1002 (digest_init): Change error about non-constant initializer elements
1004 (constructor_range_end): Remove.
1005 (constructor_incremental, designator_depth,
1006 designator_errorneous): New variables.
1007 (struct constructor_stack): Remove range_end, add incremental.
1008 (struct constructor_range_stack, constructor_range_stack): New.
1009 (struct initializer_stack): Add constructor_range_stack.
1010 (finish_init): Set it.
1011 (start_init): Likewise. require_constant_elements for non-static
1012 trees only if not flag_isoc99.
1013 (really_start_incremental_init): Remove constructor_range_end, add
1014 constructor_incremental.
1015 (pop_init_level): Likewise.
1016 (push_init_level): Likewise. If implicit and the subobject had some
1017 value set already, preinitialize the level with it.
1018 Warn about missing braces only if not pushing due to designators.
1019 (set_designator, push_range_stack): New functions.
1020 (set_init_label): Use them.
1021 (set_init_index): Likewise. Remove constructor_range_end.
1022 Error if designator index is outside of array bounds.
1023 (add_pending_init): Compare values of purpose index trees, not the
1024 trees themselves. Allow overwriting of already initialized element.
1025 Issue a warning if it had side-effects.
1026 (set_nonincremental_init, set_nonincremental_init_from_string): New
1028 (pending_init_member): Rename to...
1029 (find_init_member): ...this function. Call set_nonincremental_init
1030 if necessary. Compare values of purpose index trees, not the trees
1031 themselves. Return the actual value, not just non-zero if something
1033 (output_init_element): Remove checks for duplicates.
1034 If field has zero size, only check the initializer for correctness.
1035 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1036 if constructor_incremental is zero. Change error about initializers
1037 not computable at load time into pedwarn.
1038 (output_pending_init_elements): Compare bit positions, not
1039 FIELD_DECLs to take into account zero-sized fields.
1040 (process_init_element): Use constructor_range_stack to fill all
1041 ranges in the designator lists from current level up.
1042 * extend.texi: Update documentation for labeled elements.
1044 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1046 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1047 to function usage for arguments passed by reference. Optimize
1048 callee-copied arguments.
1049 * regmove.c (replace_in_call_usage): New function.
1050 (fixup_match_1): Call it.
1051 * cse.c (cse_insn): Canonicalize registers in function usage.
1052 * reload1.c (replace_pseudos_in_call_usage): New function.
1055 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1058 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1060 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1063 2001-01-12 DJ Delorie <dj@redhat.com>
1065 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1066 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1069 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1071 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1072 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1073 -std options alongside references to -ansi. Update some
1074 documentation for C99.
1075 * cpp.1: Regenerate.
1077 2001-01-12 Andreas Jaeger <aj@suse.de>
1079 * haifa-sched.c (restore_line_notes): Remove argument block B
1081 * sched-ebb.c (schedule_ebb): Change caller.
1082 * sched-rgn.c (schedule_region): Likewise.
1083 * sched-int.h (restore_line_notes): Adjust prototype.
1085 * loop.h: Remove wrong declaration of doloop_condition_get.
1087 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1089 * extend.texi: Move C++-extension-related node from the C section
1090 into the C++ section.
1092 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1094 * extend.texi: Refer to an array of pointers to functions instead
1095 of one of functions.
1097 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1098 Jan Hubicka <jh@suse.cz>
1100 * combine.c (reversed_comparison): Fix typo in last patch.
1102 (combine_reversed_comparison_code): Make static to follow
1103 prototype declaration.
1105 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1107 * install.texi: Remove misplaced duplicate entry.
1109 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1111 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1113 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1115 * final.c: (leaf_function_p): Fix typo.
1117 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1119 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1120 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1122 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1123 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1124 mmap_anon, and valloc is available.
1125 * ggc-page.c: Restructure ifdef logic to match new autoconf
1126 spec. Don't throw away the test page in init_ggc.
1128 * configure, config.in: Regenerate.
1130 2001-01-12 Michael Hayes <mhayes@redhat.com>
1132 * loop.h (total_biv_increment): Constify iv_class pointer.
1133 (struct induction): Replace `mem_mode' with `mem' rtx.
1134 * unroll.c (total_biv_increment): Constify iv_class pointer.
1135 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1136 (find_mem_givs, combine_givs_p): Likewise.
1137 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1139 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1141 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1143 (__gthread_getspecific): Ditto.
1145 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1147 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1148 put_condition_code): Convert fp comparison codes to integer
1150 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1153 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1154 * i386-protos.h (no_comparison_operator): Kill.
1156 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1158 * combine.c (REVERSIBLE_CC_MODE): Remove.
1159 (reversible_comparison_p): Remove.
1160 (combine_reversed_comparison_code): New.
1161 (reversed_comparison): New.
1162 (combine_simplify_rtx): Use
1163 combine_reversed_comparison_code/reversed_comparison instead
1164 of reversible_comparison_p.
1165 (simplify_if_then_else): Likewise.
1166 (simplify_set): Likewise.
1167 (simplify_logical): Likewise.
1168 (if_then_else_cond): Likewise.
1169 (known_cond): Likewise.
1170 (simplify_comparison): Likewise.
1172 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1174 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1175 sizeof (int) is larger than sizeof(__word__).
1177 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1179 * cppinit.c (do_includes): Fix typo.
1181 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1183 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1184 in S_REGS does not occur because not all sources are possible
1185 when a S_REGS is a destination (sometimes needs a clobber).
1186 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1187 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1188 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1189 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1190 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1191 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1192 (lshrdi_const1, lshrsi3_const16): Likewise.
1193 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1194 (*movhi_68hc12, *movqi_68hc12): Likewise.
1195 (movstrictqi): Make sure reloading in D_REGS as a destination
1198 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1200 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1202 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1204 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1205 -D, -U and -A, and don't initialize the builtins.
1206 (do_includes): Error if -include or -imacros with -fpreprocessed.
1207 * cppmain.c (cb_define, cb_undef): Unconditionally process
1209 * tradcpp.c (main): Fix typo.
1211 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1213 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1214 (read_name_map): Use IS_ABSOLUTE_PATH.
1215 * tradcpp.c (get_filename): Likewise.
1217 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1219 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1220 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1221 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1222 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1223 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1224 (cmphi_z_used): Don't use '@' for the output.
1225 (tstqi_z_used): Likewise.
1226 (cmpqi_z_used): Likewise.
1227 (one_cmplsi2): Likewise.
1229 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1231 * config/sh/sh.c (barrier_align): Recognize branch around far
1232 branch and redundant insn.
1234 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1236 * invoke.texi: Restore documentation of the drivers' switches -MD
1239 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1241 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1243 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1244 check-objc//%): Support parallel testing of multilibs.
1245 (TESTSUITEDIR): Set to testsuite by default, but override for
1247 (check-gcc, check-g++, check-g77, check-objc): Enter
1250 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1252 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1253 * sched-deps.c (deps_may_trap_p): Likewise.
1254 * basic-block.h: Remove a comment.
1255 * flow.c (PROP_POSTRELOAD): Remove.
1256 (update_life_info): Don't add it to prop_flags.
1257 (mark_set_1): Lose the code that was enabled by it.
1259 2001-01-11 Michael Hayes <mhayes@redhat.com>
1261 * flow.c (flow_call_edges_add): New.
1262 * basic_block.h (flow_call_edges_add): New.
1264 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1266 * reload1.c (move2add_note_store): Update reg_set_luid even if
1267 base reg remains the same.
1269 2001-01-10 Nick Clifton <nickc@redhat.com>
1271 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1272 machine_function structure to zero.
1273 Add prototypes for machine_status functions.
1275 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1277 * c-common.h (CTI_VOID_LIST): Remove.
1278 (void_list_node): Likewise.
1279 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1280 (void_list_node): New macro.
1281 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1282 * config/i386/i386.c (ix86_init_builtins): Likewise.
1283 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1285 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1287 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1288 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1290 * tradcpp.c: Include mkdeps.h.
1291 (deps, print_deps_phony_targets, deps_append, output_deps,
1292 init_dependency_output, output_deps): New.
1293 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1294 deps_output): Delete.
1295 (print_deps_missing_files): Rename deps_missing_files.
1296 (inhibit_output): Make global.
1297 (main): Delete inhibit_output, deps_stream, deps_target.
1298 Use mkdeps functionality in the same way as cpplib. Remove
1299 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1300 -M and -MM. Remove old handling of deps via deps_out, and
1301 old reading of environment variables.
1302 (get_filename): Update to use deps_add_dep.
1304 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1306 * output.h (make_function_rtl): Remove prototype.
1307 (make_decl_rtl): Likewise.
1308 * varasm.c (make_function_rtl): Remove.
1309 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1310 than from a third parameter.
1311 * tree.h (make_decl_rtl): Remove last parameter.
1312 * c-decl.c (builtin_function): Remove last argument in call to
1313 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1314 (start_function): Likewise.
1315 * except.c (call_get_eh_context): Likewise.
1316 * expr.c (emit_block_move): Likewise.
1317 (clear_storage): Likewise.
1318 * profile.c (output_func_start_profiler): Likewise.
1319 * toplev.c (rest_of_decl_compilation): Likewise.
1320 * objc/objc-act.c (create_builtin_decl): Likewise.
1321 (synth_module_prologue): Likewise.
1322 (generate_static_reference): Likewise.
1323 (build_selector_reference_decl): Likewise.
1324 (build_class_reference_decl): Likewise.
1325 (build_objc_string_decl): Likewise.
1326 (build_protocol_reference): Likewise.
1328 2001-01-10 Richard Henderson <rth@redhat.com>
1330 * hwint.h: Revert yesterday's change.
1332 2001-01-10 Nick Clifton <nickc@redhat.com>
1334 * function.h (save_machine_status): Delete.
1335 (restore_machine_status): Delete.
1336 Amend comment describing {init|mark|free}_machine_status.
1338 * function.c (save_machine_status): Delete.
1339 (restore_machine_status): Delete.
1340 Amend comment describing {init|mark|free}_machine_status.
1341 (push_function_context_to): Remove invocation of
1342 save_machine_status.
1343 (pop_function_context_from): Remove invocation of
1344 restore_machine_status.
1346 * emit-rtl.c (init_emit_once): Amend comment describing
1347 {init|mark|free}_machine_status.
1349 * tm.texi (Per-Function Data): New node. Describe the
1350 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1353 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1355 * cppinit.c (OPT_g): Remove.
1356 (cpp_handle_option): Update for removed -g3.
1357 (print_help): Update.
1358 * cpplib.h (struct cpp_options): Remove debug_output.
1359 * cppmain.c (setup_callbacks, cb_define): Update.
1360 * gcc.c (cpp_options): Translate -g3 to -dD.
1362 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1364 * config/i960/i960.md: Change modifier to + on the zero_extract
1365 pattern after the (rotate -2 reg) canonicalization pattern.
1367 2001-01-10 Richard Henderson <rth@redhat.com>
1369 * config/alpha/alpha.c (alpha_free_machine_status): New.
1370 (override_options): Install it.
1371 (alpha_mark_machine_status): Verify machine non-null.
1372 * config/i386/i386.c (ix86_free_machine_status): New.
1373 (override_options): Install it.
1374 (ix86_init_machine_status): Use xcalloc.
1375 (ix86_mark_machine_status): Verify machine non-null.
1376 * config/ia64/ia64.c (ia64_free_machine_status): New.
1377 (ia64_override_options): Install it.
1378 (ia64_mark_machine_status): Verify machine non-null.
1380 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1382 * function.c (instantiate_virtual_regs): Instantiate virtual
1383 registers found in CALL_INSN_FUNCTION_USAGE.
1385 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1387 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1388 equivalent to -ansi in disabling -Di386.
1390 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1392 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1394 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1396 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1398 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1400 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1402 * invoke.texi: Document that -fcond-mismatch isn't supported for
1405 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1407 * gcc.texi: Define macro gcctabopt.
1408 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1409 @command, @env and @option in some places where appropriate. Use
1410 @gcctabopt where appropriate. Put URLs and email addresses inside
1413 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1415 * gcc.c (cpp_options): Set MD file name from output
1416 filename, if specified.
1417 (suffix_subst): New static variable.
1418 (do_spec): Clear it.
1419 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1421 (give_switch): Handle suffix_subst.
1423 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1425 * invoke.texi: Fix another typo.
1427 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1429 * invoke.texi: Fix typo.
1431 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1433 * c-lang.c (lang_hooks): Update.
1434 (lang_decode_option): Remove.
1435 (lang_init_options): Rename c_init_options.
1436 * toplev.c (main): Use lang_hooks for lang_init_options
1437 and lang_decode_option.
1438 * toplev.h (lang_hooks): Add 2 new hooks.
1439 * tree.h: Remove lang_init_options and lang_decode_option.
1440 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1441 * cp/decl2.c: Similarly.
1442 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1443 (lang_hooks): Update.
1444 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1446 (lang_init_options): Rename ffe_init_options.
1447 (lang_hooks): Update.
1448 (lang_decode_option): Remove.
1449 * java/lang.c (lang_init_options): Rename java_init_options.
1450 (lang_decode_option): Rename java_decode_option.
1451 (lang_hooks): Update.
1452 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1453 (lang_decode_option): Rename objc_decode_option.
1454 (lang_hooks): Update.
1456 2001-01-09 Nick Clifton <nickc@redhat.com>
1458 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1459 (d30v_return_addr_rtx): Delete.
1460 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1461 cfun->machine structure.
1462 (struct machine_function): Move to d30v.h
1463 (d30v_save_machine_status): Delete.
1464 (d30v_restore_machine_status): Delete.
1465 (d30v_init_machine_status): New Function.
1466 (d30v_mark_machine_status): New Function.
1467 (d30v_free_machine_status): New Function.
1468 (d30v_init_expanders): Use new functions.
1469 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1470 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1471 d30v_return_addr_rtx.
1473 * config/d30v/d30v.h (struct_machine): Move here.
1474 Add eh_epilogue_sp_ofs field.
1476 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1477 field in cfun->machine structure.
1479 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1481 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1482 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1483 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1485 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1487 * objc/lang-options.h: Remove bogus reference to
1490 2001-01-09 Kazu Hirata <kazu@hxi.com>
1492 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1495 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1497 * reload.c (find_reloads_address): Check for eliminable registers
1498 when substituting a constant expression for a pseudo.
1500 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1502 * c-common.c (enum format_type): Add format_type_error.
1503 (decode_format_type): New function.
1504 (decl_attributes): Use it.
1505 (format_kind_info): Adjust comment.
1507 2001-01-09 David O'Brien <obrien@BSDi.com>
1509 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1510 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1512 * config/i386/gnu.h: Don't include required platform specific .h files,
1513 tm.h will do it instead.
1514 * config/i386/i386elf.h: Likewise.
1515 * config/i386/linux.h: Likewise.
1516 * config/i386/moss.h: Likewise.
1517 * config/mips/gnu.h: Likewise.
1519 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1521 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1522 (rs6000-ibm-aix3.[01]*): Likewise.
1523 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1524 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1525 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1526 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1527 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1528 (powerpc-*-eabiaix*): Likewise.
1529 (powerpc-*-eabisim*): Likewise.
1530 (powerpc-*-elf*): Likewise.
1531 (powerpc-*-eabi*): Likewise.
1532 (powerpc-*-rtems*): Likewise.
1533 (powerpc-*-linux*libc1): Likewise.
1534 (powerpc-*-linux*): Likewise.
1535 (powerpc-wrs-vxworks*): Likewise.
1536 (powerpcle-wrs-vxworks*): Likewise.
1537 (powerpcle-*-sysv*): Likewise.
1538 (powerpcle-*-elf*): Likewise.
1539 (powerpcle-*-eabisim*): Likewise.
1540 (powerpcle-*-eabi*): Likewise.
1541 (powerpcle-*-solaris2*): Likewise.
1542 * config/rs6000/aix31.h: Delete includes.
1543 * config/rs6000/aix3newas.h: Likewise.
1544 * config/rs6000/aix41.h: Likewise.
1545 * config/rs6000/aix43.h: Likewise.
1546 * config/rs6000/beos.h: Likewise.
1547 * config/rs6000/rtems.h: Likewise.
1548 * config/rs6000/sysv4.h: Likewise.
1550 2001-01-09 Kazu Hirata <kazu@hxi.com>
1552 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1553 Change an argument mode of machine_mode to shift_mode of
1554 shift_mode. Remove an extra error check.
1555 (emit_a_shift): Adopt to the new calling prototype of
1557 (function_prologue): Fix code for a monitor
1558 function. Support H8/S.
1559 (function_epilogue): Do not output pop for a monitor function.
1561 2001-01-09 Nick Clifton <nickc@redhat.com>
1563 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1564 (setup_incoming_varargs): Use sysv_varargs_p field of the
1565 cfun->machine structure.
1566 (struct machine_function): Move to rs6000.h
1567 (rs6000_save_machine_status): Delete.
1568 (rs6000_restore_machine_status): Delete.
1569 (rs6000_init_machine_status): New Function.
1570 (rs6000_free_machine_status): New Function.
1571 (rs6000_init_expanders): Use new functions.
1573 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1575 (struct machine_function): Move here.
1577 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1578 sysv_varargs_p field of the cfun->machine structure.
1580 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1582 (rs6000_restore_machine_status): Remove prototype.
1584 2001-01-09 Richard Henderson <rth@redhat.com>
1586 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1587 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1588 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1589 (sched_analyze_2, sched_analyze_insn): Likewise.
1590 (sched_analyze, init_deps): Likewise.
1591 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1592 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1593 (compute_block_backward_dependences): Update propagate_deps call.
1595 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1597 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1599 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1601 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1602 (cpp_handle_option): Handle them.
1603 (cpp_post_options): Ensure one of -M or -MM is specified with
1604 any other -M? option.
1605 (init_dependency_output): Suppress output with -MG.
1607 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1610 * invoke.texi: Update.
1612 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1614 * sh.md (reload_outsf): Generate recognizable patterns for
1617 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1619 * c-lang.c (lang_hooks): Update.
1620 (lang_init): Rename c_init.
1621 (lang_finish): Remove.
1622 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1624 * toplev.h (lang_hooks): Add init () and finish ().
1625 * tree.h (lang_init, lang_finish): Remove.
1626 * cp/tree.h (lang_init, lang_finish): Remove.
1627 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1628 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1630 (lang_init, lang_finish): Remove.
1631 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1632 (lang_hooks): Update.
1633 * java/lang.c (lang_init): Rename java_init.
1634 (lang_finish): Remove.
1635 (lang_hooks): Update.
1636 * objc/objc-act.c (lang_init): Rename objc_init.
1637 (lang_finish): Remove.
1638 (lang_hoooks): Update.
1640 20001-01-09 Graham Stott <grahams@redhat.com>
1642 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1643 after `ptr` is initialised.
1645 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1647 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1648 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1649 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1650 stack adjusts, instead of r3.
1652 2001-01-09 Michael Hayes <mhayes@redhat.com>
1654 * flow.c (flow_loop_scan): Break out of ...
1655 (flow_loops_find) ... here.
1656 * basic-block.h (flow_loop_scan): New.
1657 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1658 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1660 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1662 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1664 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1665 realloc()ing macro_buffer.
1667 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1668 if it's wider than long and the target's long is wider than the
1671 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1673 Remove support for using UWIN as a host machine.
1674 * configure.in: Issue an error message.
1675 * configure: Regenerated.
1676 * config.gcc: Remove xm_* UWIN configury.
1677 * config/i386/xm-uwin.h: Remove.
1679 2001-01-08 Nick Clifton <nickc@redhat.com>
1681 * config/v850/v850.c (ra_rtx): Delete.
1682 (v850_save_machine_status): Delete.
1683 (v850_restore_machine_status): Delete.
1684 (v850_init_machine_status): New function.
1685 (v850_mark_machine_status): New function.
1686 (v850_free_machine_status): New function.
1687 (v850_return_addr): Use ra_rtx field in machine structure.
1688 (v850_init_expanders): Use new functions.
1690 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1691 * config/v850/v850.c: Change arguments to v850_output+* functions
1692 to take a const char *, to avoid compile time warning.
1693 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1694 (USER_LABEL_PREFIX): Redefine.
1696 2000-01-08 Jim Wilson <wilson@redhat.com>
1698 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1699 1 to unsigned HOST_WIDE_INT before left shift.
1701 2001-01-08 Nick Clifton <nickc@redhat.com>
1703 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1704 the machine structure has been allocated.
1705 (arm_free_machine_status): New function: Free the machine
1706 specific function structure.
1708 2001-01-08 Richard Henderson <rth@redhat.com>
1710 * jump.c (simplejump_p): Revert last change.
1712 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1714 * cppinit.c (init): Rename init_library.
1715 (cpp_create_reader): Update.
1716 * gcc.c (cpp_options): If -o given, use it as the target of
1719 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1721 * arm.c (arm_arch5e): New variable.
1722 (all_cores): XScale is a 5TE device.
1723 (arm_override_options): Set arm_arch5e.
1724 (arm_init_builtins): __builtin_prefetch is in arch5e.
1725 * arm.h (arm_arch5e): Declare it.
1727 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1729 * arm.md (define_constants): Add defines for UNSPEC and
1730 UNSPEC_VOLATILE insns. Update all users.
1731 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1732 * arm.c (multi_register_push, note_invalid_constants)
1733 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1734 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1735 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1737 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1739 * jump.c (jump_optimize_1): Use reversed_comparison_code
1740 instead of can_reverse_comparison_p.
1741 (jump_back_p): Likewise.
1742 (invert_exp_1): Likewise.
1743 (thread_jumps): Likewise.
1744 * simplify-rtx.c (simplify_unary_operation): Likewise.
1745 (simplify_ternary_operation): Likewise.
1746 * cse.c (find_comparison_args): Convert to use
1747 can_reverse_comparison_p.
1748 (record_jump_equiv): Likewise.
1750 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1752 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1753 (EPILOGUE_USES): Define.
1754 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1755 automatically stack the LR if it isn't live.
1757 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1759 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1762 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1764 * ggc-page.c (max_alignment): New structure.
1765 (MAX_ALIGNMENT): New macro.
1766 (init_ggc): Use it to round up the sizes in the
1767 extra_order_size_table.
1769 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1771 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1774 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1776 * builtins.def (BUILT_IN_FPRINTF): New entry.
1778 * c-common.c (c_expand_builtin_fprintf): New function.
1779 (init_function_format_info): Handle __builtin_fprintf.
1780 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1781 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1783 * c-decl.c (duplicate_decls): Adjust comment.
1785 * extend.texi (fprintf): Document new builtin.
1787 2001-01-07 Richard Henderson <rth@redhat.com>
1789 * jump.c (simplejump_p): Recognize any single_set jump
1792 2001-01-07 Richard Henderson <rth@redhat.com>
1794 * configure.in (slibdir): Accept an --with-slibdir option.
1795 Use "test" not "[" in configure. Default to $(libdir).
1797 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1799 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1800 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1801 (SHLIB_LINK): Create links for the soname.
1802 * config/mips/t-iris6: Likewise.
1803 * config/sparc/t-slibgcc: Likewise.
1804 * config/sparc/t-slibgcc-sld: Likewise.
1806 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1808 * config/i386/i386.c (constant_call_address_operand): Accept
1809 (const (plus (symbol_ref) (const_int))).
1810 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1811 constant_call_address_operand.
1813 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1815 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1816 and LONG_LONG_TYPE_SIZE > 32.
1818 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1820 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1821 the previous change.
1823 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1825 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1827 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1828 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1829 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1832 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1834 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1836 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1838 * c-lang.c (c_post_options): Call cpp_post_options.
1839 * objc/objc-act.c (objc_post_options): Similarly.
1840 * cppmain.c (main): Similarly.
1841 * fix-header.c (read_scan_file): Similarly.
1842 * cppinit.c (cpp_start_read): Move option consistency checks
1843 to cpp_post_options. Don't call init_dependency_output.
1844 If needed, add default target and main file dependency.
1845 (OPT_MD, OPT_MMD): Remove.
1847 (cpp_handle_option): Update for OPT_* changes.
1848 (cpp_post_options): New.
1849 (init_dependency_output): Command line -MF overrides environment
1850 variables. Don't set default target etc. Suppress output
1851 if dependencies are going to stdout.
1852 (print_help): Update.
1853 * cpplib.h (cpp_post_options): New.
1854 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1856 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1858 * jump.c (comparison_dominates_p): Support unordered compares.
1860 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1862 * simplify-rtx.c (simplify_relational_operation): Always simplify
1863 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1866 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1868 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1869 (nonzero_bits): Likewise.
1870 (simplify_comparison): Likewise.
1871 (num_sign_bit_copies): Likewise; return more sane value depending
1872 on STORE_FLAG_VALUE.
1873 (known_cond): Do not assume EQ to be always true for equivalent
1876 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1878 * cse.c (fold_rtx): Handle unordered comparisons.
1880 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1882 * rtlanal.c (set_of_1): New static function.
1883 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1884 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1885 reg_set_last_last_regno): Remove.
1886 (set_of): New global function.
1887 (set_of_data): New structure.
1888 (reg_set_p, reg_set_last): Revamp for set_of.
1889 * rtl.h (set_of): New.
1891 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1893 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1894 * extend.texi: Document _Exit builtin.
1896 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1898 * (initialize, initialize_builtins,
1899 initialize_dependency_output, initialize_standard_includes):
1900 Rename s/initialize/init. Update.
1901 (init_dependency_output): Move to after
1902 cpp_handle_options, the correct location temporally at least.
1903 (opt_comp): Move next to init (), its caller. Fix prototype.
1904 (init): Make "initialized" local scope.
1905 (cpp_create_reader): Always call init ().
1906 (cpp_start_read): Update.
1907 (output_deps): New function, broken out of cpp_finish.
1908 (cpp_finish): Break out output_deps.
1910 2001-01-07 Richard Henderson <rth@redhat.com>
1912 * collect2.c (COFF specific stuff): Revert 12-06 patch
1913 to prototype system functions.
1915 2001-01-07 Michael Hayes <mhayes@redhat.com>
1917 * hard-reg-set.h: Add multiple include guard.
1918 * basic-block.h (struct loop): Add `sink' field.
1919 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1920 (emit_iv_add_mult): Delete.
1921 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1922 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1923 (unroll_loop): Remove end_insert_before argument.
1924 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1925 (maybe_eliminate_biv_1): Likewise.
1926 (emit_iv_add_mult): Delete.
1927 (gen_add_mult, loop_regs_update): New.
1928 (loop_insn_emit_after, loop_insn_emit_before): New.
1929 (loop_insn_sink, loop_insn_sink_or_swim): New.
1930 (emit_iv_add_mult): Delete.
1931 (scan_loop): Set loop->sink.
1932 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1933 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1934 (maybe_eliminate_biv_1): Likewise.
1935 (maybe_eliminate_biv_1): Add basic block argument.
1936 * unroll.c (unroll_loop): Remove end_insert_before argument.
1937 (find_splittable_regs): Likewise.
1938 (find_splittable_regs): Use loop_insn_sink and its ilk.
1939 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1941 2001-01-07 Michael Hayes <mhayes@redhat.com>
1943 * loop.h (loop_insn_hoist): New prototype.
1944 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1945 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1946 (check_dbra_loop, load_mems): Likewise.
1947 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1948 (find_splittable_givs): Likewise.
1950 2001-01-07 Michael Hayes <mhayes@redhat.com>
1952 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1954 2001-01-07 Richard Henderson <rth@redhat.com>
1956 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1958 2001-01-07 Richard Henderson <rth@redhat.com>
1960 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1961 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1962 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1963 variant that handles a shared libgcc.
1964 (process_command): Always validate -{static,shared}-libgcc.
1965 (do_spec_1): New 'M' case.
1966 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1968 2001-01-07 Richard Henderson <rth@redhat.com>
1970 * Makefile.in (slibdir): New variable.
1971 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1972 (installdirs): Create slibdir.
1973 (install-libgcc, install-multilib): Defer to libgcc.mk.
1974 * configure.in (slibdir): Substitute.
1975 * mklibgcc.in (install): New target.
1977 * config/t-linux (SHLIB_LINK): Create links for the soname.
1978 (SHLIB_INSTALL): New.
1979 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1980 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1981 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1982 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1983 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1985 2001-01-07 Richard Henderson <rth@redhat.com>
1987 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1988 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1989 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1991 2001-01-07 Michael Hayes <mhayes@redhat.com>
1993 * loop.c (count_loop_regs_set): Delete.
1994 (load_mems_and_recount_loop_regs_set): Delete.
1995 (loop_regs_scan): Merge common code from count_loop_regs_set,
1996 scan_loop, and load_mems_and_recount_loop_regs_set.
1997 (scan_loop): Call load_mems directly and loop_regs_scan
1998 again if new registers created.
2000 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2002 * toplev.c (main): Call the front-end specific post_options
2003 hook if one is given.
2004 * toplev.h (struct_lang_hooks, lang_hooks): New.
2005 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2006 for the C front end.
2007 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2008 lang_hooks for the C++ front end.
2009 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2010 lang_hooks for the ObjC front end.
2011 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2012 * java/lang.c (lang_hooks): Hooks for the Java front end.
2014 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2016 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2017 for verbose DWARF[2] debugging.
2018 (cb_define, cb_undef): The new callbacks.
2019 * toplev.h (debug_define, debug_undef): Make const correct.
2020 * toplev.c (debug_define, debug_undef): Similarly. Do not
2021 perform the verbosity tests here anymore.
2023 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2025 * reload.c (subst_reloads): Take INSN argument. When
2026 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2027 * reload.h (subst_reloads): Adjust prototype.
2028 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2029 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2030 present in JUMP_INSNs and copy them to JUMP_LABEL.
2031 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2032 JUMP_INSNs and insns with REG_LABELs that are followed by
2033 JUMP_INSNs with the same REG_LABEL.
2034 * sched-rgn.c (is_cfg_nonregular): Likewise.
2035 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2037 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2039 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2041 2001-01-06 Richard Henderson <rth@redhat.com>
2043 * loop.c (scan_loop): Use xcalloc for the regs array.
2044 (load_mems_and_recount_loop_regs_set): Zero the new memory
2045 received from xrealloc.
2047 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2049 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2051 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2053 * integrate.c (copy_rtx_and_substitute): When copying
2054 an ignored return value, strip REG_FUNCTION_VALUE_P.
2056 2001-01-06 Michael Hayes <mhayes@redhat.com>
2058 * loop.c (debug_biv, debug_giv): New.
2059 (loop_biv_dump): Break out from ...
2060 (record_biv): ... here.
2061 (loop_giv_dump): Break out from ...
2062 (record_giv): ... here.
2063 (loop_bivs_check): Use print_simple_rtl.
2064 * unroll.c (loop_iterations): Use print_simple_rtl.
2066 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2068 * pa.md (return, return_internal): Modify patterns to prevent regrename
2069 mucking with the return pointer.
2071 2001-01-05 Richard Henderson <rth@redhat.com>
2073 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2075 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2077 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2078 version supplied by Matteo Frigo.
2080 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2082 * cpp.texi: Update for -MQ.
2083 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2084 (cpp_cleanup): Always free pfile->deps.
2085 (initialize_dependency_output): Don't create pfile->deps.
2086 (cpp_handle_option): Similarly.
2088 * gcc.c (cpp_options): Handle -MQ.
2089 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2090 * mkdeps.c (base_name): Remove.
2091 (deps_init): Don't allocate vector space until it's needed.
2092 (deps_free): Only free vectors if allocated.
2093 (deps_add_target, deps_add_dep): Update for initial allocation.
2094 (deps_add_default_target): Don't strip to the base_name.
2096 2001-01-05 DJ Delorie <dj@redhat.com>
2098 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2099 (INIT_EXPANDERS): Define.
2101 * config/v850/v850.c (struct machine_function): Define.
2102 (v850_save_machine_status): New function.
2103 (v850_restore_machine_status): New function.
2104 (v850_return_addr): New function.
2105 (v850_init_expanders): New function.
2107 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2108 and v850_init_expanders.
2110 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2112 * cpplib.h (struct cpp_reader): Add help_only field.
2113 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2114 (cpp_handle_option): Set pfile->help_only if we see -h,
2115 --help, -target-help, or --version. Print version string but
2116 do not set help_only if we see -v or -version. Make text
2117 printed by -v match that printed by (-)-version.
2119 * cppmain.c (main): Exit after option parsing if
2120 pfile->help_only is true.
2122 * toplev.c (independent_decode_option): Call print_version,
2123 then exit, if we see --version (but not -version).
2124 (print_version): Split lengthy message into two lines.
2126 2001-01-05 Nick Clifton <nickc@redhat.com>
2128 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2129 temporary string for initialisation before calling ggc_alloc_string.
2131 2001-01-06 Michael Hayes <mhayes@redhat.com>
2133 * rtl.h (print_simple_rtl): New.
2134 * print-rtl.c (print_simple_rtl): New.
2136 (print_rtx): Disable printing of flags and modes, etc.,
2137 if `flag_simple` nonzero.
2139 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2141 * function.c (fixup_var_refs): Use push_to_full_sequence where
2144 2001-01-05 Michael Meissner <meissner@redhat.com>
2146 * flags.h (flag_reorder_blocks): Add declaration.
2147 (flag_rename_block): Ditto.
2149 2001-01-05 DJ Delorie <dj@redhat.com>
2151 * function.c (reorder_blocks): Make sure the flags are all reset
2152 before using them to mark blocks, else a second invocation will
2153 corrupt the block chain.
2154 (reorder_blocks_0): New, resets the flags.
2156 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2158 * cse.c (find_comparison_args): Stop if the argument is known to
2161 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2163 * config/sh/sh.md (movdf): When splitting load into pair of
2164 registers, don't clobber the register used in the address too
2167 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2169 * varasm.c (mark_constant_pool): Improve initial comments.
2170 (mark_constants): Move marking of constants to mark_constant.
2171 (mark_constant): New function to recursively mark all constants
2172 referred to by a constant.
2174 2001-01-05 Catherine Moore <clm@redhat.com>
2176 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2178 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2180 * cp/lang-options.h: Bring comment in line with reality.
2181 * f/lang-options.h: Likewise.
2182 * java/lang-options.h: Likewise.
2183 * objc/lang-options.h: Likewise.
2184 * ch/lang-options.h: Likewise.
2185 * f/g77.texi: And update the manual.
2187 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2188 Denis Chertykov <denisc@overta.ru>
2190 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2191 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2192 * config/avr/avr.md (all peepholes that request a scratch register):
2193 Call it, FAIL the peephole if not safe (in interrupt functions).
2195 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2197 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2199 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2201 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2203 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2204 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2205 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2206 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2207 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2209 * extend.texi: Document these builtins.
2211 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2213 * c-common.c (lang_get_alias_set): Say we know nothing of
2214 VECTOR_TYPE aliasing.
2216 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2218 2001-01-05 Bruce Korb <bkorb@gnu.org>
2220 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2221 their x* equivalent versions for atexit-less systems
2222 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2223 systems (or any other system any more).
2225 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2227 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2228 output operands. Use arm_hard_register_operand for operand 4.
2229 (stmsi_postinc): Similarly.
2230 (ldmsi): Use arm_hard_register_operand for opernand 2.
2232 * arm.c (arm_hard_register_operand): New function.
2233 * arm-protos.h (arm_hard_register_operand): Prototype it.
2235 * arm.h (HARD_REGNO_RENAME_OK): Define.
2237 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2239 * simplify-rtx.c (cfc_args): add "unordered" field.
2240 (check_fold_consts): Set unordered field.
2241 (simplify_relational_operation): Simplify the unordered
2244 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2247 * emit-rtl.c (try_split): Fix code to mark labels.
2248 * jump.c (mark_jump_label): Make global.
2249 * rtl.h (mark_jump_label): Declare.
2251 * predict.c (estimate_probability): Handle unordred comparisons.
2253 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2255 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2256 * cppinit.c (initialize_dependency_output): Update.
2257 (cpp_finish): Output dummy targets for -MP.
2259 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2260 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2261 * gcc.c (cpp_options): Update to handle -MP.
2262 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2263 to quote only the default target.
2264 (deps_phony_targets): Insert a preceding newline. Rename from
2265 deps_dummy_targets for consistency.
2268 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2270 * calls.c (emit_library_call_value_1): Support
2271 INIT_CUMULATIVE_LIBCALL_ARGS.
2272 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2274 2001-01-04 Richard Henderson <rth@redhat.com>
2276 * c-decl.c (finish_struct): Detect flexible array members
2277 used in an inappropriate context.
2278 * c-typeck.c (really_start_incremental_init): Special case
2279 constructor_max_index for zero length arrays.
2280 (pop_init_level): Allow initialization of flexible array
2281 members. Deprecate initialization of zero length arrays.
2282 Don't issue missing initializer warning for flexible array
2283 members or zero length arrays.
2284 (process_init_element): Don't dereference null DECL_SIZE.
2285 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2286 Don't abort for empty constructors. Use size_binop
2287 (output_constructor): Add commentary regarding zero length
2288 array futures. Abort if we try to initialize an array of
2289 unspecified length with a non-empty constructor in the middle
2292 * extend.texi (Zero Length): Update and clarify documentation
2293 on static initialization.
2295 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2297 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2298 with more than 32767 words of local storage.
2300 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2302 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2303 for 'abs', 'labs', and 'fabs'.
2304 (c4x_expand_builtin): Likewise.
2305 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2307 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2309 * config/sh/sh.md (prget, prset): New insn types.
2310 (return delay slot): Dont' allow prset.
2311 (call, sfunc delay slot): Don't allow prget.
2312 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2313 for prset and prget.
2315 2001-01-05 Michael Hayes <mhayes@redhat.com>
2317 * loop.h (struct loop_reg): New.
2318 (struct loop_regs): Change to use array of `struct loop_reg'.
2319 * loop.c: Replace assortment of varrays with single regs array.
2320 (count_one_set): Delete may_not_move array argument
2321 and use regs array instead. All caller's changed.
2322 (count_loop_regs_set): Delete may_not_move and single_usage
2323 arguments and use regs array instead. All caller's changed.
2324 (find_single_use_in_loop): Replace usage array argument with pointer
2325 to regs structure. All caller's changed.
2326 (loop_optimize): Delete `moved_once' array.
2328 2001-01-05 Michael Hayes <mhayes@redhat.com>
2330 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2331 Use it instead of loop_info->has_call for scanning loop mems.
2332 (check_dbra_loop): Replace loop_info->has_call test with
2333 loop_info->has_nonconst_call.
2335 2000-01-04 Matthew Hiller <hiller@redhat.com>
2337 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2340 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2342 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2343 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2345 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2347 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2348 (flag_short_double, flag_short_wchar): Define.
2349 (c_common_nodes_and_builtins): Create many tree nodes shared
2350 between C and C++ here instead of in cp/decl.c and ...
2351 * c-decl.c (init_decl_processing): ... here.
2352 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2353 (flag_short_double, flag_short_wchar): Don't define.
2354 (record_builtin_type): New function.
2355 (build_void_list_node): New function.
2356 * c-common.h (flag_short_double, flag_short_wchar,
2357 record_builtin_type, build_void_list_node): Declare.
2359 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2361 * integrate.c (expand_inline_function): Don't put a virtual
2362 register into the reg map.
2364 * function.c (fixup_var_refs_1): If force_operand didn't put
2365 the address into the target, move it there.
2367 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2369 Special-case tree_decl/tree_list allocations.
2370 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2371 (OBJECT_SIZE): New macro.
2372 (NUM_EXTRA_ORDER): Likewise.
2373 (extra_order_size_table): New variable.
2374 (NUM_ORDERS): New macro.
2375 (objects_per_page_table): New variable.
2376 (object_size_table): New variable.
2377 (G.pages): Use NUM_ORDERS to bound the array.
2378 (G.page_tails): Likewise.
2379 (DIV_ROUND_UP): Remove.
2380 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2381 (alloc_page): Use OBJECT_SIZE.
2382 (size_lookup): Don't make it const.
2383 (ggc_alloc): Use OBJECT_SIZE.
2384 (ggc_set_mark): Likewise.
2385 (ggc_get_size): Likewise.
2386 (init_ggc): Set up the object_size_table, objects_per_page_table,
2387 and adjust size_lookup.
2388 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2389 (ggc_pop_context): Use NUM_ORDERS.
2390 (clear_marks): Likewise.
2391 (sweep_pages): Likewise.
2392 (poison_pages): Likewise.
2393 (ggc_print_statistics): Use OBJECT_SIZE.
2395 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2397 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2398 Only call array_size_for_constructor if last field and array type
2399 with no upper bound.
2401 2001-01-04 Philip Blundell <philb@gnu.org>
2403 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2404 from bit 31 downwards, if this requires no more insns.
2405 (count_insns_for_constant): New helper function for above.
2407 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2409 * gencodes.c (output_predicate_decls): Remove empty initializer.
2411 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2413 * tree.c (copy_node): Remove documentation about obstacks.
2414 (buidl1): Check that nobody tries to build 2-argument nodes this
2417 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2419 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2422 * gencodes.c (output_predicate_decls): Fill empty initializer
2425 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2427 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2428 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2430 (do_include): Handle missing headers like cpp0.
2431 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2432 paths with first include pathname. Don't strcat to uninitialized
2435 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2437 * regrename.c (regrename_optimize): Don't rename from frame pointer
2438 if frame_pointer_needed.
2439 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2440 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2441 (ia64_reorg): Use it instead of scheduling if ! optimize.
2442 (errata_emit_nops): Properly call asm_noperands.
2443 (ia64_sched_reorder): Finish cycle if we see an asm.
2444 (ia64_variable_issue): Clear scheduling state after asms.
2446 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2448 * cpp.texi: Update for -MT.
2449 * cppinit.c (initialize_dependency_output): Add a default
2450 target if none has been given already.
2451 (no_tgt, OPT_MT): New.
2452 (cpp_handle_option): Handle -MT. Update -M etc.
2453 * cpplib.h (struct cpp_options): Remove deps_target.
2454 * gcc.c (cpp_options): Handle -MT.
2455 * mkdeps.c (struct deps): Move from mkdeps.h.
2456 (deps_calc_target): Rename deps_add_default_target. Add a
2457 default target if none has been specified already.
2458 * mkdeps.h (struct deps): Move to mkdeps.c.
2459 (deps_calc_target): Rename deps_add_default_target.
2461 2000-01-03 Richard Henderson <rth@redhat.com>
2463 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2465 * c-typeck.c (push_init_level): Move checks for flexible array
2466 members and zero length arrays ...
2467 (pop_init_level): ... here. Silently discard empty initializations.
2469 * varasm.c (output_constructor): Update for sizeof change to
2472 * extend.texi (Zero Length): Clarify semantics.
2474 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2476 * configure.in (tm.h): Include isns-codes.h last.
2477 * configure: Rebuilt.
2479 2001-01-03 Richard Henderson <rth@redhat.com>
2481 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2482 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2484 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2486 * tradcpp.c (main): Make sure finclude() is called with a valid
2487 indepth value while handling -include.
2489 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2491 * gencodes.c (output_predicate_decls): New function.
2493 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2494 even if it is not the first time machmode.h is #included.
2495 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2496 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2497 * gcc.texi (Copyright): Added 2001.
2499 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2501 * c-common.c (c_common_lang_init): New function. Warn if format
2502 warning options which only have effects when used with -Wformat
2503 are used without -Wformat.
2504 * c-common.h (c_common_lang_init): Declare.
2505 * c-lang.c (lang_init): Call c_common_lang_init.
2506 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2508 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2510 * configure.in: Check for the mktemp command.
2511 * configure: Regenerate.
2512 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2513 $TEMP. Create temporary files with mktemp, if available at
2514 configure time; otherwise use set -C. Remove temporary files
2517 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2519 * configure.in: Require at least texinfo 4.0. Check for whether
2520 Pod::Man is sufficiently recent to regenerate GCC manpages.
2521 * configure: Regenerate.
2522 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2524 (GENERATED_MANPAGES): Define.
2525 (generated-manpages): New target. Depend on cpp.1 as well as
2527 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2528 configure to generated-manpages or empty) rather than on the
2529 manpages directly. Remove execute permission from installed
2530 gcov.1 as well as cpp.1.
2531 * cpp.1, gcov.1: Regenerate.
2533 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2535 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2536 tree_low_cst. Allow using cmpstrsi in more cases.
2538 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2540 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2543 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2545 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2546 * Makefile.in (HOST_CFLAGS): Mention build-make.
2548 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2550 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2553 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2555 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2558 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2561 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2562 reg_base_value and reg_known_value arrays.
2563 (init_alias_analysis): Add more cases to detect known values.
2564 * sched-deps.c (deps_may_trap_p): New function.
2565 (sched_analyze_2): Use it.
2567 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2569 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2570 don't discard an ASHIFTRT if we're shifting in a wider mode.
2572 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2574 * toplev.c (rest_of_compilation): Don't print basic block information
2575 when CFG isn't up to date.
2577 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2579 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2580 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2581 (UNALIGNED_SHORT_ASM_OP): Define.
2582 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2584 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2586 * fold-const.c (fold_convert): Fix typo.
2588 2001-01-02 Richard Henderson <rth@redhat.com>
2590 * c-common.h (ASM_INPUT_P): New.
2591 * c-parse.in (asm): Set it when needed.
2592 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2593 existance of an operand.
2595 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2597 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2598 (dwarf2out_frame_debug_expr): Likewise.
2599 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2601 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2603 * i386.c (ix86_split_to_parts): Return number of part required;
2605 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2607 (ix86_split_long_move): Use number of part returned
2608 by ix86_split_to_parts
2609 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2611 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2612 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2613 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2614 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2615 (ALIGN_MODE_128): Add TFmode.
2616 (IS_STACK_MODE): Likewise.
2617 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2618 (HARD_REGNO_OK): Support TFmodes.
2619 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2620 * i386.md (scheduler definitions): Use memory operand to determine
2621 fst/fld instructions; use mode attribute to determine real mode of
2623 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2624 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2626 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2628 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2630 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2632 * expr.c (store_constructor_field): Update ALIGN before calling
2635 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2637 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2640 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2642 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2645 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2647 * c-decl.c (start_function): Don't warn on third parameter to main.
2649 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2651 * tsystem.h: Define HAVE_DECL_GETOPT.
2653 2001-01-02 Philip Blundell <pb@futuretv.com>
2655 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2658 2001-01-02 Richard Henderson <rth@redhat.com>
2660 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2662 2001-01-02 Andreas Jaeger <aj@suse.de>
2664 * c-decl.c (c_decode_option): Remove support of
2667 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2668 (W_options): Add -Wmissing-noreturn here.
2670 * flow.c: Define lang_missing_noreturn_ok_p.
2671 (check_function_return_warnings): Use it.
2673 * c-common.h: Declare lang_missing_noreturn_ok_p.
2675 * c-lang.c (c_missing_noreturn_ok_p): New function.
2676 (lang_init): Set lang_missing_noreturn_ok_p.
2678 * invoke.texi (Warning Options): Document this.
2680 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2682 * extend.texi (C++ Extensions): New node for C++ attributes;
2683 describe init_priority and com_interface.
2684 * invoke.texi: Remove -finit-priority as it now has zero effect.
2685 * install.texi: Fix xref syntax.
2686 * md.texi: Likewise.
2688 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2690 * config.gcc (sparc64-wrs-vxworks*): New case.
2691 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2693 * config/sparc/sparc.c (sparc_override_options): Do support different
2694 pointer and architecture size.
2695 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2696 (POINTERS_EXTEND_UNSIGNED): Define.
2697 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2698 (FUNCTION_MODE): Define to be Pmode.
2699 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2701 * function.c (expand_function_end): Properly handle DECL_RESULT
2702 and copy when ptr_mode != Pmode.
2703 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2705 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2707 * c-common.c (c_common_nodes_and_builtins): Set prototype
2708 parameters for __builtin_fputs, __builtin_fputc and
2709 __builtin_fwrite. Don't declare plain fputc as a builtin.
2711 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2713 * loop.c (add_label_notes): Increment the label usage count when
2714 a note is added to an insn which refers to a CODE_LABEL.
2715 * gcse.c (add_label_notes): Likewise.
2717 2001-01-01 Andreas Jaeger <aj@suse.de>
2719 * loop.c (scan_loop): Use xmalloc to allocate movables.
2721 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2723 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2724 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2725 * reload1.c (REGISTER_MOVE_COST): Likewise.
2726 * regclass.c (REGISTER_MOVE_COST): Likewise.
2727 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2728 dimension. Adjust all users.
2729 (init_reg_sets_1): Iterate on all modes.
2730 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2731 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2732 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2733 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2734 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2735 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2736 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2737 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2738 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2739 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2740 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2741 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2742 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2743 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2744 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2745 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2746 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2747 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2748 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2749 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2750 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2751 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2752 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2753 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2754 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2755 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2756 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2758 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2760 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2761 arg VARIES_P. Call it with extra arg.
2762 (true_dependence): Likewise.
2763 * rtl.h (rtx_addr_can_trap_p): Declare.
2764 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2766 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2767 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2768 pic offset table register if it's zero. All callers changed.
2769 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2771 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2773 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2774 STRING_POOL_ADDRESS_P.
2776 * config/sparc/sparc.c (input_operand): Properly test for short op.
2778 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2779 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2780 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2781 * config/sparc/elf.h: No longer include sol2.h.
2782 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2783 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2785 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2787 2001-01-01 Michael Hayes <mhayes@redhat.com>
2789 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2790 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2791 (record_initial): Likewise.
2792 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2793 (remap_split_bivs): Likewise.
2795 2001-01-01 Michael Hayes <mhayes@redhat.com>
2797 * loop.c (loop_ivs_free): New function.
2798 (strength_reduce): Break out from...
2800 2001-01-01 Michael Hayes <mhayes@redhat.com>
2802 * loop.h (struct iv): New.
2803 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2804 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2805 'reg_biv_class' fields with 'regs' and 'n_regs'.
2806 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2807 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2808 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2810 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2812 * resource.c (mark_referenced_resources): Abort() before
2813 attempting to mark a pseudo register.
2814 (mark_set_resources): Likewise.
2816 2001-01-01 Michael Hayes <mhayes@redhat.com>
2818 * loop.h (REG_IV_CLASS): New accessor macro.
2819 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2820 * unroll.c (REG_IV_CLASS): Likewise.
2822 See ChangeLog.4 for earlier changes.
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