1 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * config/i386/i386.md (movstrsi): Handle FAIL case.
5 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7 * cppinit.c (builtin_array): Update.
8 (init_builtins): Flag builtins to warn if redefined or
9 undefined. Define __GXX_WEAK as a normal macro.
10 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
11 * cpplib.h (NODE_WARN): New flag.
12 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
13 Handle __STDC__ as a builtin only on Solaris.
14 (warn_of_redefinition): Renamed from check_macro_definition.
15 Reverse sense of test. Always warn if NODE_WARN.
16 (_cpp_create_definition): Use warn_of_redefinition. Flag
17 any macro beginning with "__STDC_" to require a mandatory
18 warning if redefined or undefined.
20 2001-02-24 Zack Weinberg <zackw@stanford.edu>
22 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
23 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
24 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
25 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
26 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
27 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
29 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
30 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
31 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
32 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
33 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
35 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
36 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
39 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
40 Delete now-empty file.
42 * alpha/vms.h: Define NEED_ATEXIT here...
43 * alpha/xm-vms.h: ...not here.
45 * i386/cygwin.h: Don't define PARAMS.
46 * mips/mips.c: Don't prototype mktemp. Don't define
47 P_tmpdir. Use make_temp_file to create temporary files.
48 Don't be clever and delete temporary files early.
49 * config.gcc: Drop references to deleted files. Don't define
51 * gcc.texi: Don't mention USE_PROTOTYPES.
53 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
55 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
56 (ix86_set_move_mem_attrs_1): Likewise.
57 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
58 * config/i386/i386.md (movstrsi): Call it.
60 2001-02-24 Zack Weinberg <zackw@stanford.edu>
62 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
63 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
64 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
65 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
67 (i750a-*-*): Error here if hosting on i750a.
68 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
70 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
71 Remove (empty modulo comments).
73 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
74 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
75 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
76 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
77 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
78 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
80 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
81 Remove reference to winnt.h in comment.
82 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
84 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
86 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
87 used to set another biv.
89 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
91 * tree.h (BLOCK_DEAD): New macro.
92 (struct tree_block): New flag, dead_flag.
93 * print-tree.c (print_node, case 'b'): Print missing fields.
94 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
95 * function.c (identify_blocks): Enable test for misplaced notes.
96 (all_blocks): Skip BLOCK_DEAD blocks.
97 * integrate.c (integrate_decl_tree): Likewise.
99 * errors.c (internal_error, trim_filename): New functions.
100 (fancy_abort): Call internal_error.
101 * errors.h (internal_error, trim_filename): New declarations.
103 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
105 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
107 (EXTRA_CONSTRAINT): Formatting changes.
109 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
111 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
113 2001-02-23 Per Bothner <per@bothner.com>
115 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
116 so they can be called from java/jvspec.c.
117 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
119 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
121 * i386.c (ix86_frame): New structure.
122 (ix86_compute_frame_size): Kill.
123 (ix86_compute_frame_layout): New.
124 (ix86_save_reg): New.
125 (ix86_can_use_return_insn_p): Use frame layout stuff.
126 (ix86_expand_prologue): Likewise.
127 (ix86_expand_epilogue): Likewise.
128 (ix86_initial_elimination_offset): Likewise.
129 (ix86_nsaved_regs): Use ix86_save_reg.
130 (ix86_emit_save_regs): Likewise.
132 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
134 * flow.c (find_sub_basic_blocks): New function.
135 (split_block): Be ready for basic block introduced by CODE_LABEL.
136 (commit_one_edge_insertion): Call find_sub_basic_block.
138 * flow.c (make_edges): Add edge from entry for blocks starting with
139 label having ALTERNATE_NAME
141 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
143 * function.c (epilogue_done): Be ready for first basic block not
144 containing PROLOGUE_END note.
145 (reposition_prologue_and_epilogue_notes): Avoid placing
146 PROLOGUE_END note between BASIC_BLOCK.
148 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
150 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
152 2001-02-21 DJ Delorie <dj@redhat.com>
154 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
155 check for current_function_has_nonlocal_goto from 1999-11-12.
157 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
159 * diagnostic.c (trim_filename): No longer static.
160 * toplev.h (trim_filename): Declare.
161 * rtl.c (rtl_check_failed_bounds): Call internal_error.
162 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
163 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
164 (rtvec_check_failed_bounds): Likewise.
165 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
167 * convert.c (convert_to_integer): Don't do unsigned unless result or
168 both inputs are unsigned.
170 * fold-const.c (fold_convert): Don't call size_int_type_wide if
173 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
175 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
177 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
179 * Makefile.in (resource.o): Add params.h dependence.
180 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
181 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
182 * resource.c: Add dependence on params.h.
183 (current_live_regs): Fix explanatory comment.
184 (find_basic_block): Add new parameter to permit limiting search
186 (mark_target_live_regs): Add new argument to find_basic_block call.
187 (incr_ticks_for_insn): Likewise.
189 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
191 * diagnostic.c (output_to_stream): Rename to
192 output_buffer_to_stream. Loses the stream parameter.
193 (init_output_buffer): Set diagnosic_buffer's stream.
194 (flush_diagnostic_buffer): Adjust.
195 (default_print_error_function): Likewise.
196 (finish_diagnostic): Likewise.
197 (verbatim): Likewise.
199 * diagnostic.h (struct output_buffer): Add `stream' field.
200 (output_buffer_attached_stream): New macro.
202 2001-02-23 Jakub Jelinek <jakub@redhat.com>
204 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
205 check if either operand is divisible by C.
206 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
207 If type is signed, consider negative numbers as well.
209 2001-02-22 Richard Henderson <rth@redhat.com>
211 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
212 reach .text instead of gp-relative relocs.
213 * config/ia64/crtend.asm (.init): Likewise.
215 2001-02-22 Andreas Jaeger <aj@suse.de>
217 * extend.texi (C++ Attributes): Fix typo.
219 2001-02-21 David Mosberger <davidm@hpl.hp.com>
221 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
222 functions, drop current_function_args_info.words test.
223 (ia64_compute_frame_size): Mark syscall_linkage functions as
224 using eight input registers.
226 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
227 Bruce Korb <bkorb@gnu.org>
229 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
230 * fixinc/README: Document how to convert sed substitutions
231 to format style c_fix-es.
232 * fixinc/fixincl.x: regen
234 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
236 * gcc.c: Add comment explaining how to add a command-line option.
237 Add title to specs language comment.
239 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
241 * gcc.c (cc1_options): Add "-param".
242 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
243 (option_map): Likewise.
244 * toplev.c (display_help): Add entry for "--param".
245 (independent_decode_option): Fix typographical error.
247 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
248 Bernd Schmidt <bernds@redhat.com>
249 Jan Hubicka <jh@suse.cz>
251 * i386.c (function_arg_advance): Pass SSE arguments in registers.
252 (function_arg): Likewise.
254 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
256 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
258 2001-02-21 Kazu Hirata <kazu@hxi.com>
260 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
264 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
266 * flow.c (init_propagate_block_info): Canon address and use single_set
267 for killing dead memory stores.
269 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
271 * Makefile.in (reorg.o): Add params.h dependence.
272 * params.def: Fix typographical error in comment.
273 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
274 * params.h: Modify introductory comment.
275 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
276 * reorg.c: Add dependence on params.h.
277 (redundant_insn): Add parameterized throttle for search.
278 (fill_simple_delay_slots): Add a comment explaining a variable.
279 Move conditional out of loop, simplifying code.
280 (fill_eager_delay_slots): Fix typographical error in comment.
282 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
284 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
286 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
287 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
289 2001-02-21 Jason Merrill <jason@redhat.com>
291 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
292 (struct tree_decl): Add uninlinable bitfield.
293 * c-decl.c (duplicate_decls): Set it.
294 * integrate.c (function_cannot_inline_p): Check it.
296 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
297 DW_AT_MIPS_linkage_name to abstract methods.
298 (dwarf2out_abstract_function): Emit class context before calling
299 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
300 (gen_subprogram_die): Remove obsolete code.
301 (gen_member_die): Don't include clones in the member list.
302 (gen_decl_die): Emit abstract info for clone origin.
303 * dwarfout.c (output_type): Don't include clones in the member list.
304 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
305 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
306 DECL_ABSTRACT on a function that already has it set.
308 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
309 (get_subprogram_die): Pass it in.
311 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
313 * flow.c (mark_set_1): Make not_dead unsigned long. For
314 non-pseudos, use it as a bitmask of the hard regs that
317 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
319 * cppfiles.c: Update comments.
320 (_cpp_read_file): Don't check for NULL filenames any more.
321 * cppinit.c (cpp_start_read): Don't do canonicalization of
322 in_fname and out_fname. Use the passed file name exclusively.
323 (_cpp_handle_options): Don't treat "-" as a command line option,
324 but as a normal filename.
325 (_cpp_post_options): Canonicalize in_fname and out_fname.
326 * cppmain.c (printer_init): Don't check out_fname for NULL.
327 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
328 (init_c_lex): Update, and use "" to represent stdin to CPP.
331 2001-02-20 Will Cohen <wcohen@redhat.com>
333 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
334 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
335 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
338 2001-02-20 Stan Shebs <shebs@apple.com>
340 * config/rs6000/rs6000.c (output_cbranch): Output branches
341 on separate lines instead of using ';' to separate.
343 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
345 * cppinit.c (set_lang): Move builtin handling to...
346 (init_builtins): ...here.
347 (_cpp_create_reader): Move call to set_lang.
349 2001-02-20 Mark Mitchell <mark@codesourcery.com>
351 * stmt.c (expand_return): If an attempt is made to return the
352 error_mar_node, treat the return like a return without a value.
354 2001-02-19 Zack Weinberg <zackw@stanford.edu>
356 * sibcall.c (skip_copy_to_return_value): Call
357 identify_call_return_value here, and return orig_insn if it
358 returns zero. Hardret and softret arguments now unnecessary.
359 (call_ends_block_p): Don't call identify_call_return_value here.
361 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
363 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
364 * ggc.h (ggc_mark_if_gcable): Delete prototype.
366 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
368 * pa.c (move_operand): Accept code to load the address of a
369 symbol out of the DLT as a valid move operand.
370 (print_operand, case 'A'): New to handle generating a DLT
371 reference for a LO_SUM expression.
372 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
373 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
375 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
377 * README, cpp.texi, gcc.texi, version.c: Update version number to
379 * cpp.1, gcov.1, gcc.1: Regenerate.
381 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
383 * cppfiles.c (stack_include_file): Generate dependencies
384 here, and manage include_count here too.
385 (PRINT_THIS_DEP): Delete.
386 (_cpp_execute_include): Do not generate dependencies here,
387 apart from the case of a missing header. Do not manage
389 (_cpp_read_file): Leave dependency generation to
392 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
394 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
395 target_cpu_default. Remove dead assignment to
398 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
400 * regclass.c (contains_reg_of_mode): Make global.
401 (init_reg_sets): Remove contains_reg_of_mode; take into account
402 CLASS_MAX_NREGS when looking for the proper mode.
403 (dump_regclass): Dump only classes considered for the pseudo.
404 (regclass): Use contains_reg_of_mode.
406 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
408 * gcc.c (do_spec_1): 'n' for printing notices.
409 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
411 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
413 * reg-stack.c (next_flags_user): Use current_block->end
414 (swap_rtx_condition): Look for next user if flags don't die;
415 give up on CALL_INSNs; use current_block->end.
417 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
419 * sibcall.c (call_ends_block_p): New function.
420 (optimize_sibling_and_tail_recursive_call): Use it.
422 2001-02-18 Kazu Hirata <kazu@hxi.com>
424 * config/h8300/h8300.md: Update copyright.
425 (andsi3): Do not output an extra newline character.
427 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
429 * toplev.c (note_deferral_of_defined_inlined_function): Argument
430 FNDECL may be unused.
432 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
433 follow jumps after first run.
434 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
435 it doesn't change any jumps.
437 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
439 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
440 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
441 (mostlyclean): Corresponding changes.
442 * rtlanal.c (hard-reg-set.h): Include.
443 (rtx_unstable_p): Do not treat the argument pointer specially
444 if it is not a fixed register.
445 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
447 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
449 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
450 against last real insn in basic block.
451 Rework to avoid gotos.
453 * Makefile.in (gcse.o): Now includes ggc.h.
454 * gcse.c: Include ggc.h.
455 (want_to_gcse_p): Verify expression can be in SET as valid insn.
456 (try_replace_reg): Remove warning of uninitialize variable.
457 (process_insert_insn): Call invalid_insn_p to validate insn.
458 * recog.c (insn_invalid_p): Now global.
459 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
460 * recog.h (insn_invalid_p): New declaration.
462 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
464 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
465 assignments from FP constants since 'Y' output code can't handle it.
466 (eligible_for_sibcall_delay): Likewise.
468 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
469 Call fancy_abort directly, passing args.
470 (print_rtl_and_abort): Now a macro, like fancy_abort.
472 * final.c (output_operand_lossage): Use internal_error, not error.
474 2001-02-18 Shane Nay <shane@agendacomputing.com>
476 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
477 structure shift insns.
479 2001-02-18 Mark Mitchell <mark@codesourcery.com>
481 * invoke.texi (-fsquangle): Remove documentation.
482 (-fname-mangling-version): Likewise.
484 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
486 * optabs.c (expand_abs): Remove reference to
487 HAVE_contitional_arithmetic.
488 * combine.c (simplify_set): Likewise.
490 2001-02-18 Richard Henderson <rth@redhat.com>
492 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
495 2001-02-18 Richard Henderson <rth@redhat.com>
497 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
499 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
501 * reload1.c (reload_cse_simplify_set): Fix typo.
503 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
505 * diagnostic.c (_fatal_insn): Decrement errorcount.
507 * invoke.texi (-I): Add note avoiding use for system header files.
509 * rtl.h (add_clobbers): Remove duplicate declaration.
510 * recog.h (added_clobbers_hard_reg_p): New declaration.
511 * genemit.c (struct clobber_pat): New field has_hard_reg.
512 (gen_insn): Record if added clobbers clobber hard reg.
513 (gen_split): Avoid unused warning if number of operands is 0.
514 (output_added_clobbers_hard_reg_p): New function.
517 2001-02-18 Alan Modra <alan@linuxcare.com.au>
519 * pa.c (hppa_expand_prologue): Simplify code storing return
520 pointer. For large (>=8k) frames with a post_store, adjust stack
521 pointer by 8k-64 first rather than by 64. When testing with
522 VAL_14_BITS_P, always use the actual value rather than the value
523 negated. Add blockage to prevent scheduling of spills before
524 stack frame has been created.
525 (hppa_expand_epilogue): Simplify code loading return pointer.
526 Allow a slightly larger range for merge_sp_adjust_with_load case.
527 When testing with VAL_14_BITS_P, always use the actual value.
529 * pa.c (pa_adjust_insn_length): Check that block move
530 pattern is a set before looking at operands.
532 2001-02-17 Mark Mitchell <mark@codesourcery.com>
534 * fold-const.c (fold_binary_op_with_conditional_arg): New
535 function, split out from ...
537 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
538 conditional arms that throw exceptions.
540 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
543 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
545 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
546 define HAVE_DECL_* to 1 to mask potential backup declarations.
547 * configure: Regenerated.
549 2001-02-17 Mark Mitchell <mark@codesourcery.com>
551 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
553 2001-02-17 Richard Henderson <rth@redhat.com>
555 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
556 when replacing a memory load with a register.
558 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
559 Jan Hubicka <jh@suse.cz>
561 * recog.c (validate_replace_src_1): New.
562 (validate_replace_src_data): Likewise.
563 (validate_replace_src): Use note_uses.
564 * rtl.h (note_uses): Declare.
565 * rtlanal.c (note_uses): New.
567 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
569 * reg-stack.c (stack_def): Make field reg unsigned.
570 (remove_regno_note): Unsignetize parameter.
572 2001-02-16 Jes Sorensen <jes@linuxcare.com>
574 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
575 shladd_operand() call.
577 2001-02-16 Bruce Korb <bkorb@gnu.org>
578 Rodney Brown <RodneyBrown@mynd.com>
580 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
581 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
583 * fixinc/fixincl.x: regen
585 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
587 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
589 (hash_scan_insn): Clean up calls to hash_scan_set.
590 (compute_kill_rd): REGNO now unsigned.
591 (try_replace_reg): Rework to use simplify_replace_rtx.
592 (cprop_jump, cprop_cc0_jump): Likewise.
593 (cprop_insn): Call find_reg_equal_equiv_note.
594 Reflect changes to cprop_jump and cprop_cc0_jump.
596 * recog.c (validate_replace_src): Replace in operands of
597 ZERO_EXTRACT in SET_DEST.
599 * cse.c (new_label_ref): New variable.
600 (insert): Set it instead of recorded_label_ref.
601 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
602 CODE_LABEL for this function, and not already in REG_LABEL note.
604 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
606 * resource.c (mark_referenced_resources): Fix typo in introductory
608 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
611 2001-02-16 Jason Merrill <jason@redhat.com>
613 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
615 (gen_subprogram_die): Don't abort on seeing a second definition if
616 the previous one was abstract. Don't replace an abstract instance
619 * dwarf2out.c (dwarf2out_abstract_function): Rename from
620 gen_abstract_function.
621 * dwarf2out.h: Declare it.
622 * toplev.c (note_outlining_of_inline_function): New fn.
623 * toplev.h: Declare it.
624 * integrate.c (output_inline_function): Call it.
625 * c-decl.c (duplicate_decls): Call it when redefining an extern
626 inline. Don't inline the new defn.
628 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
630 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
632 * .gdbinit: Rename to gdbinit.in.
633 * gdbinit.in: New file,
634 * configure.in: Generate .gdbinit from gdbinit.in.
635 * configure: Regenerated.
636 * Makefile.in (distclean): Always remove .gdbinit.
638 2001-02-16 Jakub Jelinek <jakub@redhat.com>
640 * objc/objc-act.c (start_class): Register implemented_classes with
643 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
645 * cppfiles.c (_cpp_make_system_header): Generate a file
648 2001-02-15 Jim Meyering <meyering@lucent.com>
650 * Makefile.in (install-common): Don't depend on installdirs here.
651 Instead, make each of the lang.install-common targets (e.g.,
652 c++.install-common in cp/Make-lang.in) depend on it.
653 (install-driver): Depend on installdirs.
655 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
657 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
659 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
662 2001-02-15 Mark Mitchell <mark@codesourcery.com>
664 * invoke.texi (--param): Document.
666 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
668 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
670 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
672 * i386.md (extendsfdf2_2): Fix constraints.
674 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
676 * i386.md (fop_df_3 splitter): Fix operand number.
678 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
680 * invoke.texi (-mreg-alloc): Nuke.
681 * i386.c (ix86_reg_alloc_order, regs_allocated,
682 order_regs_for_local_alloc): Nuke.
683 (override_options): Kill reg_alloc code.
684 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
685 (REG_ALLOC_ORDER): SSE goes before I387.
686 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
687 (ix86_reg_alloc_order): Likewise.
688 * i386-protos.h (ix86_reg_alloc_order): Kill.
690 2001-02-14 Richard Henderson <rth@redhat.com>
692 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
694 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
696 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
698 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
700 * i386-protos.h (ix86_memory_move_cost): Move offline.
701 * i386.c (ix86_register_move_cost): Compute properly cost of
702 SSE, MMX and i387 instructions.
703 (*_cost): Add costs of SSE/MMX moves.
704 (ix86_memory_move_cost): Move offline from ....; Likewise.
705 * i386.h (MEMORY_MOVE_COST): .... here;
706 (struct processor costs): Add new fields to represent costs
709 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
711 * regclass.c (init_reg_sets_1): Reinstall the optimization of
712 move_cost together with Matt Kraai's fix.
714 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
716 * Makefile.in (OBJS): Add params.o.
718 2001-02-14 Richard Henderson <rth@redhat.com>
719 DJ Delorie <dj@redhat.com>
721 * jump.c (jump_optimize_1): When we delete a conditional jump
722 preceeding a non-conditional jump to effectively the same place,
723 make sure that the combined jump skips any clobber insns between
726 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
728 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
730 2001-02-14 Mark Mitchell <mark@codesourcery.com>
732 * Makefile.in (toplev.o): Depend on params.h.
733 (intergate.o): Likewise.
734 (params.o): New target.
735 * flags.h (inline_max_insns): Remove.
736 * integrate.c: Include params.h.
737 Use MAX_INLINE_INSNS instead of inline_max_insns.
738 * params.c: New file.
739 * params.h: Likewise.
740 * params.def: Likewise.
741 * toplev.c: Include params.h.
742 (lang_independent_params): New variable.
743 (decode_f_option): Use the param machinery instead of setting
745 (independent_decode_option): Handle "--param name=value".
746 (main): Register language-independent parameters.
748 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
750 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
752 2001-02-14 Richard Henderson <rth@redhat.com>
754 * regclass.c (init_reg_sets_1): Revert last two changes.
756 2001-02-14 Jakub Jelinek <jakub@redhat.com>
758 * stor-layout.c (is_pending_size, put_pending_size): New functions.
759 (variable_size): Call put_pending_size.
760 * tree.h (is_pending_size, put_pending_size): Add prototypes.
761 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
762 sizes list, put newly created SAVE_EXPR there as well.
764 2001-02-14 Jakub Jelinek <jakub@redhat.com>
766 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
767 (errata_find_address_regs): load_group has only 2 entries.
768 (errata_emit_nops): Likewise. shladd is not problematic.
769 Clear last_group if nop was emitted.
770 (fixup_errata): load_group has only 2 entries.
773 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
775 * c-lex.c (lex_number): Only warn traditionally for U suffix
776 outside system macros.
777 * cppexp.c (parse_number): Similarly.
778 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
779 * cppmacro.c (struct cpp_macro): New member node.
780 (parse_args): Only warn about missing rest args if not
782 (funlike_invocation_p): Similarly for uninvoked funlike macros.
783 (cpp_sys_objmacro_p): New.
784 (_cpp_create_definition): Store the node with the macro defn.
785 Remember if the macro is defined in a system header.
787 2001-02-13 DJ Delorie <dj@redhat.com>
789 * configure.in (check_languages): determine languages to check
790 * Makefile.in (check-c++): alias for check-g++
791 (check-f77): alias for check-g77
792 (CHECK_TARGETS): depend on configured languages
794 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
796 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
797 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
798 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
799 (sqrtextendsfdf2): Disable for SSE2.
801 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
803 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
804 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
805 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
806 (sqrtextendsfdf2): Disable for SSE2.
808 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
810 * i386.md (movsfcc_1): Support integer cmove instruction.
811 (movdfcc_1): Likewise; new splitter.
813 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
815 * i386.c (output_fp_compare): Support SSE.
816 (prepare_fp_compare_args): SSE comparisons always support memory.
817 * i386.h (TARGET_CMOVE): SSE imply cmove.
818 * i386.md (cmp?f2): Enable for SSE too.
819 (cmpfp_i*): Support SSE.
821 (cmpfp_i_sse_only): New.
822 (s*, b* fp expanters): Enable for SSE too.
823 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
826 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
828 * regclass.c (init_reg_sets_1): Silence warning.
830 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
832 * i386.md (sqrt?f2): Change to expander.
833 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
835 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
837 * rtlanal.c (find_reg_equal_equiv_note): New function.
838 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
839 (simplify_gen_relational, simplify_replace_rtx): Likewise.
840 * rtl.h: Add declarations for above functions.
842 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
844 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
846 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
847 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
848 * flow.c (mark_regs_live_at_end): Likewise.
849 (calculate_global_regs_live): Likewise.
850 * gcse.c (compute_hash_table): Likewise.
851 (compute_kill_rd): Likewise.
852 * resource.c (mark_target_live_regs): Likewise.
853 * rtl.h (INVALID_REGNUM): New macro.
855 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
857 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
859 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
861 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
864 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
866 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
868 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
869 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
870 (fop_sf_1_sse, fop_df_1_sse): New patterns
871 (fop_*): Disable float_extend and float patterns for SSE compilation.
872 * i386.c (output_387_binary_op): Support SSE.
874 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
876 * i386.md (dummy_extendsfdf2): Support SSE2
877 (extendsfdf2): Enable if 80387 or SSE2.
878 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
880 (extendsfdf2_1_sse_only): New pattern.
881 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
883 (truncdfsf2_1): Support SSE.
884 (truncdfsf2_2): Support SSE.
885 (truncdfsf2_2_1_sse): New pattern.
886 (fixtruncsfsi2): Always use SSE if available.
887 (fix_truncsfsi_sse): New pattern.
888 (fix_truncdfsi_sse): New pattern.
889 (floatsis?f2): Support SSE.
890 (floatsidf2_i387): New pattern.
891 (floatsidf2_sse): Likewise.
893 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
895 * configure.in: Use "have_gnat" variable, not "gnat".
896 * configure: Regenerated.
898 * config/sparc/sparc.c (function_value): Treat all non-record
899 aggregate types like used to treat UNION_TYPE.
901 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
903 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
904 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
906 (MASK_MIX_SSE_I387): New.
907 (TARGET_SSE): SSE2 imply SSE.
908 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
909 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
910 (enum reg_class): Add new classes.
911 (REG_CLASS_NAMES): Likewise.
912 (REG_CLASS_CONTENTS): Likewise.
913 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
914 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
915 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
916 (CLASS_MAX_NREGS): Use new macros.
917 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
918 * i386.md (pushsf, movsf): Support SSE.
919 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
920 splitters to use ANY_FP_REGNO_P.
921 (movdf_nointeger, movdf_integer): Likewise.
923 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
925 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
926 (try_combine): Use it.
928 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
930 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
931 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
932 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
933 (REGISTER_MOVE_COST): Likewise.
934 * i386-protos.h (ix86_secondary_memory_needed,
935 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
936 * i386.c (ix86_secondary_memory_needed,
937 ix86_preferred_reload_class, ix86_register_move_cost): New function.
939 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
941 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
942 (HARD_REGNO_MODE_OK): Move offline to ....
943 * i386.c (ix86_hard_regno_mode_ok) ... here;
944 refuse all incorrect modes.
945 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
947 2001-02-13 Richard Henderson <rth@redhat.com>
949 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
950 entire operator; replicate that and match_dup the operands.
951 (cmp_ccx_arith_op_set): Likewise.
952 (cmp_cc_arith_op_not_set): Likewise.
953 (cmp_ccx_arith_op_not_set): Likewise.
955 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
957 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
959 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
961 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
962 (TARGET_NO_BITFIELD_WORD): New macro.
963 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
964 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
966 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
968 * cselib.c: New file, from simplify-rtx.c.
969 * simplify-rtx.c: Remove cselib parts.
970 * Makefile.in: Add cselib.o.
972 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
974 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
975 (setup_incoming_varargs): Remove warning.
977 * config/rs6000/rs6000.c (validate_condition_mode): When
978 flag_fast_math, allow floating-point conditionals to be reversed.
979 (rs6000_generate_compare): When flag_fast_math, don't generate
980 cror operations for FP conditionals.
982 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
984 (ASM_SPEC): Likewise.
985 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
986 (CC1_SPEC): Likewise.
987 (LINK_TARGET_SPEC): Likewise.
988 (CPP_ENDIAN_SPEC): Likewise.
989 * Makefile.in (check-consistency): New target.
991 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
993 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
994 "return type defaults" warning for functions with return type
996 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
997 function declarations by default rather than only when pedantic.
999 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1001 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1004 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1006 * extend.texi (Deprecated): Deprecate new initializer lists.
1008 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1010 * mkdeps.c (deps_add_default_target): Robustify. Add
1011 basename component only.
1012 * cpp.texi (-M): Describe how default target is generated.
1013 * invoke.texi (-M): Likewise.
1015 2001-02-12 Kazu Hirata <kazu@hxi.com>
1017 * toplev.c (push_float_handler): Remove.
1018 (pop_float_handler): Remove.
1019 * toplev.h: Remove prototypes for the above functions.
1021 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1023 * c-common.c (constant_fits_type_p): New function.
1024 (convert_and_check): Use it.
1026 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1028 * Makefile.in (GXX_ABI_FLAG): Don't define.
1029 * configure.in (--enable-new-gxx-abi): Remove option.
1030 * config.in: Regenerated.
1031 * configure: Likewise.
1033 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1035 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1037 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1038 regular basic block, and arrange for all edges into it to switch
1041 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1043 * Makefile.in (distclean): Do not remove .gdbinit.
1045 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1047 * Makefile.in (gcc.o): Fix typos.
1048 (protize.o): Likewise.
1049 (unprotoize.o): Likewise.
1051 2001-02-11 Richard Henderson <rth@redhat.com>
1053 * tree.c (build1): Check for null operand in last change.
1055 2001-02-11 Richard Henderson <rth@redhat.com>
1057 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1058 (fold): Don't assume a constant isn't foldable.
1059 * tree.c (build): Set TREE_CONSTANT for an expression with no
1060 side-effects and constant operands.
1063 2001-02-10 Richard Henderson <rth@redhat.com>
1065 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1067 2001-02-10 Anthony Green <green@redhat.com>
1069 * cpp.texi (Standard Predefined): Add documentation for
1072 * c-common.c (combine_strings): Improve warning message.
1074 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1076 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1078 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1080 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1082 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1085 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1087 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1090 2001-02-09 Nick Clifton <nickc@redhat.com>
1092 * config/arm/arm.md: Change output contraint on post inc
1093 load/store multiple patterns to be a read/write contraint.
1095 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1097 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1098 .o files when using the -M options.
1100 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1101 David Edelsohn <edelsohn@gnu.org>
1103 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1104 handle DImode constants. Use one TOC entry for SImode and smaller
1105 constants, aligned properly.
1107 2001-02-08 Jason Merrill <jason@redhat.com>
1109 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1110 about the SP adjustment for saving the static chain pointer.
1111 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1112 offset when setting a temporary CFA register.
1114 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1116 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1117 powerpc-*-chorusos* .
1118 * config/rs6000/chorus.h : New file.
1119 * config/i386/chorus.h : New file.
1120 * config/sparc/chorus.h : New file.
1121 * config/sparc/t-chorus-elf : New file.
1123 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1125 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1126 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1127 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1128 (__WCHAR_TYPE__): Correct macro name.
1130 2001-02-08 Richard Henderson <rth@redhat.com>
1132 * config/i386/i386.c (ix86_frame_pointer_required): New.
1133 (ix86_setup_frame_addresses): New.
1134 (struct machine_funciton): Add accesses_prev_frame.
1135 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1136 ix86_frame_pointer_required.
1137 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1138 (SETUP_FRAME_ADDRESSES): New.
1139 * config/i386/i386-protos.h: Update.
1140 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1141 from FRAME_POINTER_REQUIRED.
1142 * config/i386/svr3gas.h: Likewise.
1143 * config/i386/sysv3.h: Likewise.
1144 * config/i386/v3gas.h: Likewise.
1146 2001-02-08 Richard Henderson <rth@redhat.com>
1148 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1149 calculation of the number of integer registers required.
1150 (function_arg_record_value): Likewise.
1152 2001-02-08 Jason Merrill <jason@redhat.com>
1154 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1155 two. Print file and line with "confused" message.
1157 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1159 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1161 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1163 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1165 * final.c (cleanup_subreg_operands): The address of a MEM can
1168 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1171 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1173 * gcc.texi (Incompatibilities): Update documentation of
1174 preprocessing numbers.
1176 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1178 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1180 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1182 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1184 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1185 * gcc.c (struct compiler): Add cpp_spec field.
1186 (input_file_compiler): New variable.
1187 (do_spec_1): Allow a particular compiler to handle `%C'
1189 (main): Store the current compiler in input_file_compiler.
1190 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1192 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1194 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1195 * cppinit.c (cpp_create_reader): Initialize them.
1196 (append_include_chain): cxx_aware arg might be unused.
1197 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1198 keywords and give them their phase 7 meaning. Pedwarn about
1199 this unless '__bool_true_false_are_defined' is defined.
1201 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1203 * lcm.c (optimize_mode_switching): Emit mode_set before the
1204 JUMP_INSN of an abnormal edge.
1206 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1208 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1209 a scheduling barrier at the end.
1211 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1213 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1215 * config/sh/sh.md (reload_outsf): Removed.
1216 (movsf_ie): Introduce constraints for FPUL loads and stores.
1217 (reload_insf): Broaden the output constraint.
1219 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1221 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1222 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1224 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1226 * final.c: Revert my previous changes.
1227 * output.h: Make profile_label_no extern.
1228 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1229 for generating label.
1231 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1233 * config/i386/djgpp.h: Add comments about standard paths.
1234 (MD_EXEC_PREFIX): Undefine before defining.
1235 (MD_STARTFILE_PREFIX): New.
1237 2001-01-30 Bruce Korb <bkorb@gnu.org>
1239 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1240 (load_file): do not rely on load_file_data() to close file pointer
1241 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1242 fixinc/inclhack.def(irix_limits_const): add test_text
1244 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1246 * cppexp.c (parse_defined): Improve diagnostics for invalid
1249 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1251 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1253 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1255 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1256 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1257 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1258 (rs6000_output_symbol_ref): New function.
1259 (output_toc): Use VTABLE_NAME_P.
1261 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1263 * print-tree.c (print_node, case PARM_DECL):
1264 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1266 * stor-layout.c (reference_types_internal): New variable.
1267 (internal_reference_types): New function.
1268 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1269 * tree.h (internal_reference_types): New declaration.
1271 * cse.c (find_best_addr): Fix typo in computing cost.
1273 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1275 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1276 and this is the sum of a pointer and a constant, we know the result
1278 (num_sign_bit_copies, case PLUS): Likewise.
1279 * explow.c (convert_memory_address): Remove opposite SUBREG.
1280 * function.c (instantiate_new_reg): New function (from common code).
1281 (instantiate_virtual_regs_1): Call it.
1282 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1283 if pointers sign- or zero-extend.
1284 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1285 If pointers extend unsigned, use inside of SUBREG.
1286 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1288 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1290 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1291 subdir of gcc_gxx_include_dir.
1292 (gcc_gxx_target_include_dir): Remove.
1294 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1296 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1297 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1298 a high-level description.
1300 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1302 * final.c: Move the declaration of profile_label_no to ...
1303 * output.h: ... here.
1304 * function.c (expand_function_start): Call PROFILE_HOOK.
1305 * config/rs6000/aix.h: Define PROFILE_HOOK.
1306 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1307 * config/rs6000/rs6000.c (output_profile_hook): Define.
1308 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1309 output_profile_hook.
1310 tm.texi : Explain new macro PROFILE_HOOK.
1312 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1314 * extend.texi (Extended Asm): Do not say that semicolon is always
1315 a valid line-breaking character for GNU assemblers. Use
1316 newline-tab as the most commonly supported syntax. Use
1317 newline-tab rather than semicolon in multi-insn examples.
1319 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1321 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1323 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1324 David Edelsohn <edelsohn@gnu.org>
1326 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1327 code for AIX, even without flag_pic.
1329 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1331 * c-typeck.c (common_type): push and pop binding level around
1332 calling common_type on function parameters.
1334 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1336 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1338 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1340 * config/mips/mips.c (override_options): Fix typo in last change.
1341 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1342 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1344 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1346 * invoke.texi (-fdump-class-layout): Document.
1347 (-fdump-translation-unit): Use `=' as filename separator.
1349 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1351 * Makefile.in (s-mlib): Don't build multilibs if
1353 (DRIVER_DEFINES): Adjust accordingly.
1355 (protoize.o): Likewise.
1356 (unprotoize.o): Likewise.
1357 * configure.in: Recognize --enable-multilib.
1359 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1361 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1363 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1364 * configure.in: Remove --enable-libstdcxx_v3 support.
1365 * configure: Regenerated.
1367 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1369 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1370 Call abort instead of fatal.
1371 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1372 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1373 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1374 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1375 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1376 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1378 * diagnostic.h (set_internal_error_function): Renamed.
1379 * toplev.h (internal_error): Renamed from fatal.
1380 (pfatal_with_name): Deleted.
1381 (fatal_io_error): Now has printf-style arguments.
1382 * diagnostic.c (pfatal_with_name): Deleted.
1383 (fatal_io_error): Rework to have args in printf-style.
1384 (set_internal_error_function): Renamed from set_fatal_function.
1385 (internal_error): Renamed from fatal.
1386 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1387 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1388 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1389 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1390 * flow.c (verify_flow_info): Likewise.
1391 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1392 * config/mips/mips.c (save_restore_insns): Likewise.
1394 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1395 * flow.c (verify_flow_info): Likewise.
1396 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1397 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1398 (avr_normalize_condition): Likewise.
1399 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1400 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1401 (limit_reload_class, double_reg_to_memory): Likewise.
1402 (print_operand_address, emit_1600_code_shift): Likewise.
1403 (gen_tst_reg, gen_compare_reg): Likewise.
1404 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1405 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1407 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1409 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1410 * objc/objc-act.c (build_ivar_chain): Likewise.
1411 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1413 * graph.c (clean_graph_dump_file): Likewise.
1414 * profile.c (init_branch_prob): Likewise.
1415 * objc/objc-act.c (objc_init): Likewise.
1417 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1418 * config/avr/avr.c (avr_override_options): Likewise.
1419 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1420 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1421 * config/h8300/h8300.c (h8300_init_once): Likewise.
1422 * config/mips/mips.c (override_options): Likewise.
1423 * config/i386/i386.c (override_options): Likewise, rework.
1424 * config/m68k/m68k.c (override_options): Likewise.
1426 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1428 * config/mips/mips.c (print_operand): Likewise.
1429 * hash.c (hash_allocate): Don't check for failure returns from
1430 obstack functions that can't fail.
1431 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1432 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1433 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1434 (get_object_reference): Likewise.
1436 2001-02-04 Nick Clifton <nickc@redhat.com>
1438 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1439 StrongARM1110, 10TDMI, and 1020T.
1441 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1443 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1445 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1447 * config/sh/sh.md (movdf load split): Pass register number to
1448 FP_OR_XD_REGISTER_P.
1450 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1452 * cppinit.c (BC): New macro.
1453 (builtin_array): Add __GXX_WEAK__.
1454 * cpplib.h (builtin_type): Add BT_WEAK.
1455 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1456 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1457 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1459 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1461 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1463 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1465 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1466 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1468 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1470 * cpphash.h: Rename ALIGN _ALIGN.
1471 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1473 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1475 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1476 compilation environment.
1477 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1478 control over location of cygwin includes and libs.
1480 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1482 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1484 2001-02-02 lars brinkhoff <lars@nocrew.org>
1486 * md.texi (Standard Names): remove reference to spur.md.
1488 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1490 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1491 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1492 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1493 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1494 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1496 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1498 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1499 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1500 number before reload.
1501 (c4x_adjust_cost): Return zero before reload.
1502 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1503 split before reload.
1505 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1507 * c4x.c (c4x_hard_regno_rename_ok): New.
1508 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1509 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1511 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1513 * diagnostic.h: Add missing "extern" in all declarations.
1515 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1517 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1518 as for gcc_gxx_include_dir.
1520 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1522 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1524 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1526 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1527 label before alignment to be used as the braf base address.
1528 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1530 (casesi_jump_2): Require at least TARGET_SH2.
1532 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1533 truncation to 32-bit doubles on -m3e and -m4-single-only.
1535 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1537 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1538 the default when building a shared object.
1539 (init_spec): Use it.
1540 * testsuite/lib/g++.exp: Include the directory where libgcc
1541 is located to the LD_LIBRARY_PATH list.
1542 * invoke.texi (-shared-libgcc): Document the cases in which
1543 GCC defaults to using the shared libgcc.
1545 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1547 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1548 unsigned is wide enough.
1550 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1551 (si_to_float): Likewise.
1552 (float_to_si, float_to_usi): Use BITS_PER_SI.
1554 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1556 * dwarf2out.c: Added explanation of abbreviations.
1557 (def_cfa_1): Added comments listing DWARF2 instructions.
1558 (cfa_temp_reg): Removed in favor of cfa_temp.
1559 (cfa_temp_value): Removed in favor of cfa_temp.
1560 (cfa_temp): New global variable.
1561 (dwarf2out_frame_debug_expr): Added extensive introductory
1562 comments explaining the function's transformations. Revised to
1563 use cfa_temp. Added some rtx checking. Generalize IOR case.
1564 (dwarf2out_frame_debug): Revised to use cfa_temp.
1565 (output_aranges): Cast as "unsigned" to avoid warning.
1566 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1567 explain which instructions must be marked.
1569 2001-02-01 Richard Henderson <rth@redhat.com>
1571 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1574 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1576 * config/sh/crt1.asm (main_k): Modified so that start calls
1577 ___setup_argv_and_call_main.
1579 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1581 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1582 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1583 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1584 * cppmacro.c (builtin_macro): Set builtin flags here.
1585 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1586 (replace_args): Clarify intent.
1587 (cpp_get_token): Macro expansion tokens get the saved flags.
1589 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1592 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1594 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1597 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1599 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1600 returns Pmode pseudo, but we need ptr_mode.
1601 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1602 Remove bogus conversions; use HOST_WIDE_INT for size.
1603 Don't use TARGET if wrong mode.
1605 * config/i386/i386.c (ix86_compute_frame_size): Allow
1606 stack_alignment_needed to be non-default even if size is zero.
1608 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1610 * (hppa_init_pic_save): Emit the pic offset table
1611 reg save after last_parm_insn.
1612 * pa.c (hppa_init_pic_save): New function.
1613 * pa.h (hppa_init_pic_save): Declare.
1614 * pa.md (call, call_value, sibcall, sibcall_value): Use
1615 the above instead of duplicated code.
1617 * pa.c (hppa_encode_label): Correct size of alloca buffer
1618 so we don't overrun it. Correct leading `*' case.
1619 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1620 need to handle `*@'.
1621 (FUNCTION_NAME_P): Likewise.
1623 2001-01-31 Richard Henderson <rth@redhat.com>
1625 * config.gcc (alpha-osf5): Use float-i128.h.
1627 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1628 * config/float-i32.h: Likewise.
1629 * config/float-i64.h: Likewise.
1630 * config/float-sh.h: Likewise.
1631 * config/float-sparc.h: Likewise.
1633 2001-01-31 DJ Delorie <dj@redhat.com>
1635 * expmed.c (extract_bit_field): allow non-integral modes if we
1636 want to extract a whole register from itself.
1638 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1640 * c-typeck.c (set_init_index): If first is equal to last, assume as
1641 if it was not a range at all.
1643 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1645 * config/fp-bit.c: Include tm.h.
1646 (float_to_si): Don't assume SImode is 32-bits wide.
1647 (float_to_usi): Likewise.
1649 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1651 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1653 (typename): Call pending_xref_error after parsing typed_typespecs.
1654 * c-decl.c (lookup_tag): Give error immediately rather than
1655 leaving it pending if the tag of the wrong type is in the same
1657 (xref_tag): Don't pedwarn for forward declarations of enum types
1659 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1662 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1664 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1666 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1668 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1669 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1671 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1673 * cpphash.h (struct cpp_reader): New saved_flags.
1674 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1675 to avoid a paste after a pasted token.
1677 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1679 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1680 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1681 Wtype_MIN instead of LONG_MIN.
1683 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1685 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1687 * fixinc/fixincl.x: Regenerated.
1688 * fixinc/inclhack.def (irix_limits_const): New definition to
1689 convert "const" to "__const" in limits.h.
1691 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1693 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1695 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1697 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1698 when register dies in the insn.
1700 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1702 * diagnostic.c (fatal): Fix word wrap.
1704 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1706 * combine.c (try_combine): Fix SUBREG setting for
1707 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1709 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1711 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1714 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1716 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1718 * toplev.c (decode_W_option): Update warn_larger_than
1719 unconditionally for each processed switch.
1721 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1723 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1725 (hppa_expand_prologue): Delete code to save pic offset table register
1726 in the function prologue.
1727 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1728 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1729 table register at the beginning of the function after the prologue.
1731 2001-01-29 lars brinkhoff <lars@nocrew.org>
1733 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1735 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1736 Jeff Law <law@redhat.com>
1738 * pa.md (return): Revise comment for trivial return.
1739 (return_internal): Non-trivial return pattern for non-PIC code.
1740 (return_internal_pic): Non-trivial return pattern for PIC code.
1741 It uses the PIC register to ensure it is restored after
1743 (epilogue): Generate appropriate return for PIC and non-PIC code.
1745 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1747 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1749 2001-01-29 DJ Delorie <dj@redhat.com>
1751 * combine.c (if_then_else_cond): Pass the correct mode to
1752 operand_subword() for constants.
1754 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1756 * config/i386/cygwin.h: Add w32api to include search. Search different
1757 directories in a cross-build environment.
1759 2001-11-29 Tim Josling <tej@melbpc.org.au>
1761 * tree.h (TYPE_STUB_DECL): Add documentation.
1763 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1765 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1766 (sdbout_field_types): Likwise. Fix use of host_integerp.
1768 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1770 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1773 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1775 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1776 to use flag_gnu_linker.
1778 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1780 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1781 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1783 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1785 * tree.c, tree.h (build_parse_node): Remove; was identical to
1787 * c-lang.c (start_cdtor), objc/objc-act.c
1788 (build_module_descriptor): Use build_nt instead of
1791 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1793 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1794 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1795 not have any upper bits set.
1797 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1799 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1801 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1803 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1805 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1807 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1808 (integer_minus_one_node): Define.
1810 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1812 * Makefile.in (bootstrap2-lean): Fix typo.
1814 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1816 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1817 : Don't set fe_value.
1818 * cpplib.h (AVOID_LPASTE): New flag.
1819 (struct cpp_hashnode): Remove fe_value.
1820 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1821 * cppmacro.c (builtin_macro): Don't set flags here.
1822 (replace_args): Set AVOID_LPASTE flag on first token of an
1823 argument, and the token following it.
1824 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1825 macro expansion, and on the token following it. Do it for
1827 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1829 2001-01-27 Richard Henderson <rth@redhat.com>
1831 * config/alpha/t-ieee: Remove multilibbing.
1832 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1834 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1836 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1838 * Makefile.in: Remove all dependencies on defaults.h.
1839 * builtins.c: Don't include defaults.h.
1840 * c-common.c: Likewise.
1841 * c-decl.c: Likewise.
1842 * c-pragma.c: Likewise.
1843 * c-typeck.c: Likewise.
1844 * combine.c: Likewise.
1846 * frame-ia64.c: Likewise.
1847 * cppexp.c: Likewise.
1848 * crtstuff.c: Likewise.
1849 * dbxout.c: Likewise.
1850 * dwarf2out.c: Likewise.
1851 * dwarfout.c: Likewise.
1852 * emit-rtl.c: Likewise.
1853 * except.c: Likewise.
1855 * final.c: Likewise.
1856 * frame-dwarf2.c: Likewise.
1857 * libgcc2.c: Likewise.
1858 * optabs.c: Likewise.
1859 * profile.c: Likewise.
1860 * sdbout.c: Likewise.
1861 * toplev.c: Likewise.
1862 * tradcif.y: Likewise.
1864 * varasm.c: Likewise.
1866 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1868 * builtins.c (expand_builtin_fputs): Use size_one_node when
1869 transforming into fwrite.
1871 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1873 * extend.texi (Attribute Syntax): New section.
1875 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1877 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1878 they didn't need fixing.
1880 2001-01-27 Janis Johnson <janis@us.ibm.com>
1882 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1884 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1885 to remove macro definitions that are duplicated from elfos.h.
1887 2001-01-27 Richard Henderson <rth@redhat.com>
1889 * config/i386/sco5gas.h: Move ...
1890 * config/usegas.h: ... here.
1891 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1893 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1895 * c-typeck.c (struct constructor_stack): Add range_stack member.
1896 (really_start_incremental_init): Clear it.
1897 (push_init_level): Save constructor_range_stack and clear it if
1898 pushing explicit braces.
1899 (pop_init_level): abort if constructor_range_stack is non-zero at
1900 explicit closing brace. Restore saved constructor_range_stack if
1903 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1905 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1906 into register was forced into memory.
1908 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1910 * Makefile.in: Remove uses of + before $(MAKE).
1912 2001-01-26 Richard Henderson <rth@redhat.com>
1914 * stmt.c (cost_table): Remove.
1915 (COST_TABLE, cost_table_initialized): New.
1916 (estimate_case_costs): Use the later instead of the former.
1917 (balance_case_nodes): Likewise.
1919 2001-01-26 Richard Henderson <rth@redhat.com>
1921 * alias.c (objects_must_conflict_p): Read-only slots may not
1922 conflict despite having the same type.
1924 2001-01-27 Michael Hayes <mhayes@redhat.com>
1926 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1928 (check_ext_dependant_givs): Initialise u_start_val and
1930 (load_mems): Make last_max_reg unsigned.
1931 (try_swap_copy_prop): Use INSN_P and initialise set.
1933 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1935 * README.AVR : Removed.
1937 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1939 * pa-64.h (text_section): Remove declaration.
1941 * pa.md (return_internal): Remove mode on PIC register use.
1943 2001-01-25 lars brinkhoff <lars@nocrew.org>
1945 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1946 ASM_CLOSE_PAREN): fix typos.
1948 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1950 * acconfig.h: Define `const' to the empty string if neither
1951 __STDC__ nor __cplusplus is defined.
1952 * config.in: Regenerated.
1954 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1956 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1957 * collect2.c (main): Delete importf. Add ".obj" file extension.
1958 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1959 (aix_std_libs): Add additional AIX libraries to skip.
1960 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1961 * config/rs6000/aix51.h: New file.
1963 2001-01-25 Michael Hayes <mhayes@redhat.com>
1965 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1966 (loop_insn_emit_before): No longer static.
1967 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1968 (loop_givs_rescan, load_mems): Likewise.
1969 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1970 (maybe_eliminate_biv_1):
1971 (move_movables): Replace emit_call_insn_before with
1972 loop_call_insn_hoist.
1973 * loop.h (loop_insn_emit_before): Add.
1974 * unroll.c (copy_loop_body): Replace emit_insn_before with
1975 loop_insn_emit_before.
1977 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1979 * diagnostic.c (fatal): Request preprocessed source.
1981 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1983 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1984 olddecl has argument types and newdecl has none, use the argument
1987 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1989 * dwarf2out.c (prefix_of): New function. Determine longest common
1990 prefix of the two arguments. The units are whole path components.
1991 (output_file_names): When adding a new directory find the one entry
1992 with the longest common prefix already in the list. Artificially
1993 generate entry if there is none for this prefix.
1994 Fix test to check whether the zeroth directory entry is used.
1996 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1998 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1999 Changed all callers. Take it into account when deciding if a
2000 previously loaded value matches.
2002 2001-01-24 Richard Henderson <rth@redhat.com>
2004 * reload.c (find_reloads_subreg_address): Fail the substitution
2005 if the resulting address is insufficiently aligned.
2007 2001-01-24 DJ Delorie <dj@redhat.com>
2009 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2010 check the original operand's mode also.
2011 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2013 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2015 * c-parse.in (cast_expr): Move compound literals from here ...
2016 (primary): ... to here. Use standard terminology "compound
2017 literal" instead of "constructor expression".
2019 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2021 * gcc.1, cpp.1: Regenerate.
2023 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2025 * calls.c (emit_library_call_value_1): Memory slot for
2026 pass-by-reference argument should have the mode of the argument,
2027 not of the pointer to it.
2029 2001-01-24 Tom Tromey <tromey@redhat.com>
2031 * gcc.texi (G++ and GCC): Mention gcj manual.
2032 (Standards): Link to section of manual mentioning gcj/Java
2035 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2037 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2038 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2039 * tradcpp.c (main): Add -imacros or -include'd dependencies
2041 * cpp.texi (-M, -MM): Document -M -include behaviour.
2043 2001-01-24 Roger Collins <roger@ProProject.com>
2045 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2047 2001-01-24 Will Cohen <wcohen@redhat.com>
2049 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2050 whether registers are 32 bits or 64 bits in size.
2052 2001-01-24 Ben Elliston <bje@redhat.com>
2054 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2056 2001-01-24 Richard Henderson <rth@redhat.com>
2058 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2059 (builtin_longjmp): Use it instead of emit_indirect_jump.
2061 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2063 * bb-reorder.c (make_reorder_chain_1): Handle case where
2064 jump edge goes to the same block as the fallthru edge.
2066 2001-01-23 Jim Wilson <wilson@redhat.com>
2068 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2069 * frame.h (__ia64_personality_v1): Add prototype.
2070 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2071 prototype form. Add void * cast to first argument to personality
2073 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2074 (asctoe113): Likewise.
2075 * config/ia64/frame-ia64.c: Include eh-common.h.
2076 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2078 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2080 (itanium_split_issue): Add prototype.
2081 (gen_nop_type): Ifdef out.
2082 (find_best_packet): Initialize best_packet.
2083 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2085 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2086 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2087 (flushrs): Add explicit stop bit at end.
2088 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2091 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2093 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2095 * libgcc2.c (__terminate_func): Make variable static.
2096 (__terminate_set_func): New function to set __terminate_func.
2097 * libgcc2.h (__terminate_func_ptr): New typedef.
2098 (__terminate_set_func): New function.
2100 2001-01-23 Richard Henderson <rth@redhat.com>
2102 * flow.c (init_propagate_block_info): Don't consider unchanging
2103 memories for dead frame store elimination.
2105 2001-01-23 Richard Henderson <rth@redhat.com>
2107 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2108 * defaults.h: ... here.
2110 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2112 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2114 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2116 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2118 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2120 * rs6000.h (rs6000_return_addr): Move prototype from here...
2121 * rs6000-protos.h (rs6000_return_addr): ...to here.
2122 (rs6000_init_expanders): Delete prototype.
2124 2001-01-23 Nick Clifton <nickc@redhat.com>
2126 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2127 (Spec Files): Document %B and %j and %. and %v3 and %M and
2128 %{S*&T} spec switches.
2130 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2132 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2134 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2135 Neil Booth <neil@daikokuya.demon.co.uk>
2137 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2138 Have -Werror make pedantic warnings errors, like the
2141 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2143 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2145 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2147 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2148 * integrate.c (expand_inline_function): Initialize them.
2149 (subst_constants): If changing COMPARE so that both its arguments
2150 will be VOIDmode and the comparison mode will be lost, note
2151 compare_mode. Use the recorded compare_mode to optimize
2154 2001-01-23 Jason Merrill <jason@redhat.com>
2156 * dwarf2out.c (new_die): Use xcalloc.
2157 (output_die): Abort rather than emit a local reference to offset 0.
2159 2001-01-17 Andrew Haley <aph@redhat.com>
2161 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2162 of a saved register; return NULL instead.
2163 (copy_reg): Take a pointer to a source register rather than a
2165 (next_stack_level): Remember the address in the stack frame of all
2167 Use the saved register pointer array as the source of the CFA.
2168 (throw_helper): Rewrite. Unwind once rather than twice and keep
2169 track of saved registers as we go.
2171 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2173 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2174 * c4x.c (c4x_legitimize_reload_address): Remove.
2175 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2176 reload address for ldp(k) insn.
2178 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2180 * pa.md (return_internal): Add a USE of the PIC register to ensure
2181 it is restored after each call.
2182 (return expander): Corresponding changes.
2184 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2186 * rs6000.h (INIT_EXPANDERS): Delete.
2187 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2188 * rs6000.c (rs6000_override_options): Call *_machine_status from
2190 (rs6000_init_expanders): ...instead of here. Delete.
2191 (rs6000_mark_machine_status): New function.
2192 (rs6000_init_machine_status): Use xcalloc.
2193 (rs6000_return_addr): Generate RTX for the return address.
2194 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2195 (rs6000_stack_info): Use it.
2197 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2199 * gthr-win32.h: Include errno.h to get a declaration for
2200 EINVAL and _mingw.h if the target is mingw32.
2202 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2204 * cpp.texi: Correct typos.
2206 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2208 * explow.c (probe_stack_range): Ensure value passed to
2209 stack_check_libfunc is ptr_mode, not Pmode.
2211 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2213 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2214 case, don't use operand_subword to calculate a SUBREG that is
2217 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2219 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2221 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2222 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2223 valid. If not replace it by equivalent insns.
2225 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2227 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2228 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2229 (c4x_U_constraint, symbolic_address_operand): Likewise.
2230 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2232 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2233 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2234 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2235 anulling slot because of silicon bug.
2236 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2238 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2240 * cppexp.c (parse_charconst): Change `mask' type to agree
2243 2001-01-21 Richard Henderson <rth@redhat.com>
2245 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2246 pic_label_name in a linkonce section.
2248 2001-01-17 Philipp Thomas <pthomas@suse.de>
2250 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2252 * configure: Regenerate.
2254 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2256 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2257 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2259 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2261 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2262 If REVERSE nonzero then condition code in X must be reversed.
2263 (encode_section_info): Optimise if/else.
2264 (avr_function_value): Fix formatting.
2266 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2267 (difficult_branch): Likewise.
2268 (rvbranch): Likewise.
2269 (difficult_rvbranch): Likewise.
2271 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2273 * config/avr/libgcc.S: Fix comment.
2275 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2277 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2279 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2281 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2283 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2285 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2286 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2287 * configure, config.in: Regenerate.
2288 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2289 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2290 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2291 (doprint.o): New rule.
2293 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2295 * c-typeck.c (digest_init): Handle boolean types as scalars.
2297 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2299 * stmt.c (expand_return): Don't return anything if size is zero.
2300 Delete redundant assignment to BYTES.
2301 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2303 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2305 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2306 the same as the default library function names.
2307 * config/avr/avr.md: Document special characters after '%'.
2308 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2309 knowing which of the call-used registers are really clobbered.
2310 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2311 New. Both quotient and remainder from one libgcc.S call.
2312 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2313 clobber as few registers as possible.
2314 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2316 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2318 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2319 context of the top of the stack.
2321 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2323 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2324 (fixup_var_refs_insns): ...here.
2326 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2328 * function.c (fixup_var_refs_insns): Break up into
2329 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2330 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2331 [loop over hash table entries].
2332 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2333 fixup_var_refs_insns_with_hash, to match above changes.
2335 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2337 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2338 (libgcc.a): Likewise.
2339 (stmp-multilib): Likewise.
2340 (STAGE2_FLAGS_TO_PASS): Likewise.
2342 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2344 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2345 temporary if no_new_pseudos.
2347 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2349 * cppinternals.texi: Update.
2351 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2353 * arm.c (arm_init_builtins): Re-enable builtins.
2355 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2357 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2358 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2359 element to be null, and always expect an EXPR_LIST.
2360 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2361 * sched-deps.c (sched_analyze_1): Likewise.
2362 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2364 * regclass.c (max_set_parallel): New variable.
2365 (reg_scan): Take it into account in computation of max_parallel.
2366 (reg_scan_mark_refs, case SET): Compute it.
2368 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2370 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2371 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2373 2001-01-19 Jason Merrill <jason@redhat.com>
2375 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2376 for the abstract instance of an inline function.
2378 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2379 J"orn Rennecke <amylaar@redhat.com>
2381 * reload1.c (move2add_note_store): Treat all registers directly or
2382 indirectly derived from a base register as members of the same set
2384 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2385 of base register into account.
2387 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2389 * alias.c (find_base_value): Recognize TRUNCATE.
2390 (record_set): In PLUS case, invalidate if other summand is also a
2393 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2395 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2396 entry to be EXPR_LIST.
2397 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2398 be an EXPR_LIST (but not null, which other code doesn't allow).
2399 (note_stores): Properly handle PARALLEL in SET.
2400 Recursively call for top-level PARALLEL.
2401 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2402 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2404 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2406 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2408 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2409 not pfile->skipping (== 0).
2411 2001-01-17 Nick Clifton <nickc@redhat.com>
2413 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2416 2001-01-17 Jim Wilson <wilson@redhat.com>
2418 * invoke.texi (IA-64 options): Improve.
2420 2001-01-17 Tom Tromey <tromey@redhat.com>
2422 * invoke.texi (Optimize Options): Use `{}' to around @samp
2425 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2427 * invoke.texi (-fno-guess-branch-probability): New option.
2429 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2431 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2432 case of making new double-word constant.
2433 Revert last change: instead just test i3_subst_into_i2.
2435 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2437 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2438 Use q constraints instead of r.
2440 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2442 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2443 (machine_function): Define.
2444 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2445 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2446 pa_free_machine_status): New functions.
2447 (override_options): Set {init,mark,free}_machine_status to above.
2448 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2449 PIC_OFFSET_TABLE_REGNUM_SAVED.
2450 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2451 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2452 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2453 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2454 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2456 2001-01-15 DJ Delorie <dj@redhat.com>
2458 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2462 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2464 * flow.c (propagate_on_insn): Make trying to delete a prologue
2465 or epilogue insn an ICE, not a warning. Allow doing this if
2466 the current function returns with stack pointer depressed.
2468 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2469 I3 having more than one SET.
2471 2001-01-16 Jim Wilson <wilson@redhat.com>
2473 * invoke.texi: Document IA-64 options.
2475 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2476 (fixup_errata): Delete TARGET_A_STEP use.
2477 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2478 (TARGET_SWITCHES): Delete -ma-step option.
2479 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2480 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2481 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2482 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2483 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2484 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2486 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2487 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2488 cmovsi_internal): Delete ! TARGET_A_STEP check.
2490 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2492 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2493 possibility to report bugs via postal mail. Change a URL and
2494 merge in a nearly duplicate statement...
2495 (Bug Reporting): ...from here.
2496 (Service): Refer to the Bug Reporting section instead of
2498 (Contributing): Remove trivial explanations concerning snapshots.
2500 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2502 * cppmain.c (general_init): Don't use ANSI prototype.
2504 2001-01-16 Tom Tromey <tromey@redhat.com>
2506 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2508 2001-01-16 Richard Henderson <rth@redhat.com>
2510 * config/i386/i386.h: Fix comment typo.
2511 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2512 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2514 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2516 * gcc.c: Revert previous -fsyntax-only-related change; move
2519 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2521 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2522 inmode after checking GET_CODE (op).
2524 2001-01-16 Richard Henderson <rth@redhat.com>
2526 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2527 (MAX_MEM_SET_LIST_LEN): New.
2528 (propagate_one_insn): Update mem_set_list_len.
2529 (invalidate_mems_from_autoinc): Likewise.
2530 (invalidate_mems_from_set): Likewise.
2531 (mark_used_regs): Likewise.
2532 (init_propagate_block_info): Likewise. Stop collecting memories
2533 when we reach MAX_MEM_SET_LIST_LEN.
2534 (mark_set_1): Likewise.
2536 2001-01-16 Richard Henderson <rth@redhat.com>
2538 * unroll.c (precondition_loop_p): Fail if no iteration
2541 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2543 * gcc.c: When -fsyntax-only is given, do not complain about
2546 2001-01-15 Richard Henderson <rth@redhat.com>
2548 * config/i386/i386.c (asm_output_function_prefix): Remove.
2549 (ix86_asm_file_end): New.
2550 (load_pic_register): Generate pic_label_name into a
2551 staticly allocated buffer.
2552 * config/i386/i386-protos.h: Update.
2553 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2554 (ASM_FILE_END): New.
2555 * config/i386/i386afe.h: New file.
2556 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2557 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2558 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2559 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2560 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2561 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2562 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2564 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2566 * Makefile.in (install-man): Remove explicit dependency on
2569 * configure.in, configure: Revert previous patch requiring perl
2572 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2574 * toplev.c (flag_guess_branch_prob): New.
2575 (f_options): Add guess-branch-probability option.
2576 (rest_of_decl_compilation): Only estimate branch probability if
2578 (main): set flag_guess_branch_prob.
2580 * flags.h (flag_guess_branch_prob): New.
2582 2001-01-15 DJ Delorie <dj@redhat.com>
2584 * gcc.texi (Makefile): Add documentation for Makefile targets.
2586 2001-01-15 Philip Blundell <philb@gnu.org>
2588 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2590 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2591 (is_pic): Delete declaration.
2592 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2593 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2594 * config/arm/arm.md (builtin_setjmp_receiver): New.
2596 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2598 * arm.c (use_return_insn): Don't try to determine the function type
2599 until after reload has completed.
2600 (arm_output_epilogue): Don't adjust the sp value recovered from the
2602 (emit_multi_reg_push): Don't record dwarf information for the pc.
2603 * arm.md (eh_epilogue): The function type may have changed, so it
2604 needs to be recalculated.
2605 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2606 unwind tables on arm/netbsd.
2608 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2610 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2611 (negated_cbranchsi4): Likewise.
2613 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2615 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2616 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2617 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2618 pass -mapcs-* options to assembler.
2619 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2620 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2621 (ASM_SPEC): Call subtarget_extra_asm_spec.
2623 2001-01-15 Andreas Jaeger <aj@suse.de>
2625 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2627 (ix86_expand_builtin): Likewise.
2629 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2630 warning about comparison between signed and unsigned.
2632 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2634 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2636 2001-01-14 Ralf Baechle <ralf@gnu.org>
2638 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2639 SUBTARGET_CPP_SPEC apropriatly.
2641 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2643 * varasm.c (make_decl_rtl): Fix typo in last change.
2645 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2647 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2648 linker supports the init_priority C++ attribute.
2649 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2650 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2651 linker does not support init_priority C++ attribute.
2653 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2655 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2657 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2659 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2660 * cp/lex.c (finish_parse): Similarly.
2661 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2662 Return the number of errors encountered.
2663 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2664 * cppmain.c (main): Don't call cpp_destroy.
2666 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2668 * configure.in: Require at least perl 5.6.0 to regenerate
2670 * configure: Regenerate.
2672 2001-01-14 Richard Henderson <rth@redhat.com>
2674 * genrecog.c (DT_veclen_ge): New.
2675 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2676 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2677 (nodes_identical_1): Handle DT_veclen_ge.
2678 (write_cond, debug_decision_2): Likewise.
2680 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2682 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2684 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2686 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2688 * cppmain.c (do_preprocessing): New function; most of the old
2690 (main): Call it to do most of the work.
2691 (cb): Move from global scope to set_callbacks ().
2692 (setup_callbacks): Get the callback pointer.
2693 (general_init, printer_init): Clean up code and comments.
2695 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2697 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2700 2001-01-14 Kazu Hirata <kazu@hxi.com>
2702 * config/h8300/h8300.c (get_shift_alg): Update comments.
2704 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2706 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2707 (alloc_page, ggc_alloc): Add casts to remove warnings.
2709 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2711 * combine.c (simplify_comparison): Don't change `code' when
2712 can't reverse comparison.
2714 2001-01-14 Richard Henderson <rth@redhat.com>
2716 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2717 update all call sites. Return true for all non-label constants.
2719 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2721 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2723 (ix86_expand_branch): Update.
2724 (ix86_expand_setcc): Update to handle multiple test conditions.
2725 (expand_int_movcc): Likewise.
2726 (expand_fp_movcc): Likewise.
2727 * i386-protos.h (ix86_expand_compare): New.
2728 * i386.md (andqi_?_slp, orqi_?_slp): New.
2729 (conditional trap expander): Update call to ix86_expand_compare.
2731 2001-01-14 Richard Henderson <rth@redhat.com>
2733 * config/vax/vax.md: Use nonimmediate_operand instead of
2734 general_operand in destinations.
2736 * config/vax/vax.md (indirect_jump): Use register_operand.
2738 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2739 * config/vax/vax.md (call_pop): Turn into an expander.
2740 (call_value_pop): Likewise.
2741 (call, call_value): New.
2743 2001-01-14 Andreas Jaeger <aj@suse.de>
2745 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2747 (ix86_fp_compare_mode): Add unused attribute.
2748 (ix86_expand_fp_movcc): Remove unused variable.
2749 (ix86_expand_builtin): Make fcode unsigned.
2751 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2752 (expand_expr): Add cast to avoid signed warning.
2753 (store_field): Likewise.
2754 (store_constructor_field): Likewise.
2755 (store_constructor): Likewise.
2756 (store_expr): Likewise.
2757 (clear_storage): Likewise.
2758 (emit_group_store): Likewise.
2759 (emit_group_load): Likewise.
2761 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2763 * c-common.c: Move format checking code to ...
2764 * c-format.c: ... here. New file. Reorder some functions and
2766 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2768 * c-common.h (decl_handle_format_attribute,
2769 decl_handle_format_arg_attribute): Declare.
2770 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2771 (c-common.o): Adjust dependencies.
2772 (c-format.o): New list of dependencies.
2774 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2776 * unroll.c (loop_iterations): If we cannot prove iteration variable
2777 is set once in each iteration, punt.
2779 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2781 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2782 (*strlenhi): Remove clobber (which was buggy) of output address.
2784 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2786 * Makefile.in (generated-manpages): Add gcc.1
2787 ($(srcdir)/gcc.1): New target.
2788 (maintainer-clean): Delete $(srcdir)/gcc.1.
2789 * gcc.texi: Add macros @gccoptlist and @gol.
2790 * invoke.texi: Include option summary in manpage. Mark up option
2791 summary with @gccoptlist and @gol. Use @r in one place where
2793 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2794 * gcc.1: Generate from invoke.texi.
2796 2001-01-13 Richard Henderson <rth@redhat.com>
2798 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2799 (struct page_entry): Add group member.
2800 (struct page_group): New.
2801 (struct globals): Add page_groups member.
2802 (alloc_anon): Only define for using mmap; remove valloc call.
2803 (page_group_index): New.
2804 (set_page_group_in_use): New.
2805 (clear_page_group_in_use): New.
2806 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2807 (free_page, release_pages): Likewise.
2808 * configure.in (with-gc): Default to ggc-page always.
2810 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2812 * reload1.c (replace_pseudos_in_call_usage): Use
2813 reg_equiv_constant and reg_equiv_address, and don't try
2814 regno_reg_rtx first.
2816 2001-01-13 Richard Henderson <rth@redhat.com>
2818 * ggc-page.c (alloc_page): Round up allocation size to one page.
2819 Set e->order on extra pages.
2821 2001-01-13 Richard Henderson <rth@redhat.com>
2823 * genrecog.c (nodes_identical): Expand commentary.
2824 (write_switch): Watch out for identical nodes.
2826 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2828 * cppfiles.c (_cpp_fake_include): New function.
2829 * cpphash.h (_cpp_fake_include): New.
2830 * cpplib.c (do_line): Call _cpp_fake_include when entering
2831 header files in preprocessed input.
2832 * cppmain.c (cb_pragma_implementation): Remove handling.
2833 (setup_callbacks): Don't register pragmas.
2835 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2837 * extend.texi: Udate for CPP.
2839 2001-01-13 Andreas Jaeger <aj@suse.de>
2841 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2843 * regmove.c: Add prototype for replace_in_call_usage.
2845 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2847 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2848 struct cpp_chunk, struct htab, struct toklist,
2849 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2850 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2851 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2852 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2853 (struct macro_args): Delete.
2854 * cpphash.h: See above.
2856 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2858 * cppmain.c (struct printer): Remove no_line_dirs.
2860 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2861 : Use options rather than CPP_OPTION.
2862 (setup_callbacks): Use cb rather than pfile->cb.
2863 (main): No need to check for a buffer. Use cpp_errors.
2864 (printer_init): Don't set no_line_dirs.
2865 (maybe_print_line): Use options not no_line_dirs.
2866 (cb_file_change): Don't call print_line if -P.
2868 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2870 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2872 * c-parse.in (finish_parse): Use cpp_errors.
2873 (__yylex): Use return value of cpp_pop_buffer.
2874 * cp/lex.c (finish_parse): Use cpp_errors.
2875 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2877 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2879 * README.AVR: URLs corrected.
2881 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2883 * c-decl.c (start_function): Don't warn if old prototype is builtin
2884 that's not in C's namespace.
2885 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2886 (_bb): Add prototype for ctime.
2887 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2889 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2891 * i386.c (ix86_fp_comparison_arithmetics_cost,
2892 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2893 ix86_fp_comparison_cost): New functions.
2894 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2895 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2896 two-branch sequences; make static.
2897 (ix86_use_fcomi_compare): Do decision according to the costs.
2898 (split_fp_branch): New.
2899 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2900 * i386-protos.h (ix86_expand_fp_compare): Remove
2901 (ix86_split_fp_branch): Declare.
2903 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2904 and ix86_comparison_operator.
2906 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2909 * i386.c (put_condition_code): Output properly the unordered/ordered
2910 compares in fp case.
2911 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2913 * tm.texi (REVERSE_CONDITION): Document.
2914 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2915 in -ffast-math mode.
2916 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2918 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2920 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2922 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2925 * config/sh/sh.c (mova_p): Fix test for mova_const.
2927 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2929 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2930 cpp_get_options rather than dereferencing pfile and using
2932 * scan-decls.c (scan_decls): Use return value of
2933 cpp_pop_buffer rather than CPP_BUFFER.
2935 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2937 * cppinit.c (cpp_handle_option): help_only is now part of the
2938 cpp_options structure.
2939 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2940 cpp_set_callbacks): New functions.
2941 * cpplib.h (cpp_callbacks): Break out as a named structure.
2942 (cpp_options): Move help_only here from cpp_reader.
2943 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2944 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2945 cpp_set_callbacks): New prototypes.
2946 * cppmain.c (main): Update for help_only.
2948 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2950 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2951 Also build and remove and install and uninstall c-tree.info and
2953 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2954 ($(srcdir)/cppinternals.info): New target.
2955 * c-tree.texi: Change file name used when makeinfo used without -o
2956 from ir.info to c-tree.info. Add info directory entry.
2957 * cppinternals.texi: Add info directory entry.
2958 * .cvsignore: Update.
2960 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2962 * c-typeck.c (store_init_value): Don't require constant initializer
2963 elements with -pedantic -std=c99.
2964 (digest_init): Change error about non-constant initializer elements
2966 (constructor_range_end): Remove.
2967 (constructor_incremental, designator_depth,
2968 designator_errorneous): New variables.
2969 (struct constructor_stack): Remove range_end, add incremental.
2970 (struct constructor_range_stack, constructor_range_stack): New.
2971 (struct initializer_stack): Add constructor_range_stack.
2972 (finish_init): Set it.
2973 (start_init): Likewise. require_constant_elements for non-static
2974 trees only if not flag_isoc99.
2975 (really_start_incremental_init): Remove constructor_range_end, add
2976 constructor_incremental.
2977 (pop_init_level): Likewise.
2978 (push_init_level): Likewise. If implicit and the subobject had some
2979 value set already, preinitialize the level with it.
2980 Warn about missing braces only if not pushing due to designators.
2981 (set_designator, push_range_stack): New functions.
2982 (set_init_label): Use them.
2983 (set_init_index): Likewise. Remove constructor_range_end.
2984 Error if designator index is outside of array bounds.
2985 (add_pending_init): Compare values of purpose index trees, not the
2986 trees themselves. Allow overwriting of already initialized element.
2987 Issue a warning if it had side-effects.
2988 (set_nonincremental_init, set_nonincremental_init_from_string): New
2990 (pending_init_member): Rename to...
2991 (find_init_member): ...this function. Call set_nonincremental_init
2992 if necessary. Compare values of purpose index trees, not the trees
2993 themselves. Return the actual value, not just non-zero if something
2995 (output_init_element): Remove checks for duplicates.
2996 If field has zero size, only check the initializer for correctness.
2997 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2998 if constructor_incremental is zero. Change error about initializers
2999 not computable at load time into pedwarn.
3000 (output_pending_init_elements): Compare bit positions, not
3001 FIELD_DECLs to take into account zero-sized fields.
3002 (process_init_element): Use constructor_range_stack to fill all
3003 ranges in the designator lists from current level up.
3004 * extend.texi: Update documentation for labeled elements.
3006 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3008 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3009 to function usage for arguments passed by reference. Optimize
3010 callee-copied arguments.
3011 * regmove.c (replace_in_call_usage): New function.
3012 (fixup_match_1): Call it.
3013 * cse.c (cse_insn): Canonicalize registers in function usage.
3014 * reload1.c (replace_pseudos_in_call_usage): New function.
3017 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3020 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3022 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3025 2001-01-12 DJ Delorie <dj@redhat.com>
3027 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3028 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3031 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3033 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3034 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3035 -std options alongside references to -ansi. Update some
3036 documentation for C99.
3037 * cpp.1: Regenerate.
3039 2001-01-12 Andreas Jaeger <aj@suse.de>
3041 * haifa-sched.c (restore_line_notes): Remove argument block B
3043 * sched-ebb.c (schedule_ebb): Change caller.
3044 * sched-rgn.c (schedule_region): Likewise.
3045 * sched-int.h (restore_line_notes): Adjust prototype.
3047 * loop.h: Remove wrong declaration of doloop_condition_get.
3049 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3051 * extend.texi: Move C++-extension-related node from the C section
3052 into the C++ section.
3054 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3056 * extend.texi: Refer to an array of pointers to functions instead
3057 of one of functions.
3059 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3060 Jan Hubicka <jh@suse.cz>
3062 * combine.c (reversed_comparison): Fix typo in last patch.
3064 (combine_reversed_comparison_code): Make static to follow
3065 prototype declaration.
3067 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3069 * install.texi: Remove misplaced duplicate entry.
3071 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3073 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3075 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3077 * final.c: (leaf_function_p): Fix typo.
3079 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3081 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3082 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3084 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3085 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3086 mmap_anon, and valloc is available.
3087 * ggc-page.c: Restructure ifdef logic to match new autoconf
3088 spec. Don't throw away the test page in init_ggc.
3090 * configure, config.in: Regenerate.
3092 2001-01-12 Michael Hayes <mhayes@redhat.com>
3094 * loop.h (total_biv_increment): Constify iv_class pointer.
3095 (struct induction): Replace `mem_mode' with `mem' rtx.
3096 * unroll.c (total_biv_increment): Constify iv_class pointer.
3097 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3098 (find_mem_givs, combine_givs_p): Likewise.
3099 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3101 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3103 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3105 (__gthread_getspecific): Ditto.
3107 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3109 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3110 put_condition_code): Convert fp comparison codes to integer
3112 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3115 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3116 * i386-protos.h (no_comparison_operator): Kill.
3118 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3120 * combine.c (REVERSIBLE_CC_MODE): Remove.
3121 (reversible_comparison_p): Remove.
3122 (combine_reversed_comparison_code): New.
3123 (reversed_comparison): New.
3124 (combine_simplify_rtx): Use
3125 combine_reversed_comparison_code/reversed_comparison instead
3126 of reversible_comparison_p.
3127 (simplify_if_then_else): Likewise.
3128 (simplify_set): Likewise.
3129 (simplify_logical): Likewise.
3130 (if_then_else_cond): Likewise.
3131 (known_cond): Likewise.
3132 (simplify_comparison): Likewise.
3134 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3136 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3137 sizeof (int) is larger than sizeof(__word__).
3139 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3141 * cppinit.c (do_includes): Fix typo.
3143 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3145 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3146 in S_REGS does not occur because not all sources are possible
3147 when a S_REGS is a destination (sometimes needs a clobber).
3148 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3149 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3150 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3151 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3152 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3153 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3154 (lshrdi_const1, lshrsi3_const16): Likewise.
3155 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3156 (*movhi_68hc12, *movqi_68hc12): Likewise.
3157 (movstrictqi): Make sure reloading in D_REGS as a destination
3160 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3162 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3164 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3166 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3167 -D, -U and -A, and don't initialize the builtins.
3168 (do_includes): Error if -include or -imacros with -fpreprocessed.
3169 * cppmain.c (cb_define, cb_undef): Unconditionally process
3171 * tradcpp.c (main): Fix typo.
3173 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3175 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3176 (read_name_map): Use IS_ABSOLUTE_PATH.
3177 * tradcpp.c (get_filename): Likewise.
3179 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3181 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3182 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3183 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3184 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3185 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3186 (cmphi_z_used): Don't use '@' for the output.
3187 (tstqi_z_used): Likewise.
3188 (cmpqi_z_used): Likewise.
3189 (one_cmplsi2): Likewise.
3191 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3193 * config/sh/sh.c (barrier_align): Recognize branch around far
3194 branch and redundant insn.
3196 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3198 * invoke.texi: Restore documentation of the drivers' switches -MD
3201 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3203 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3205 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3206 check-objc//%): Support parallel testing of multilibs.
3207 (TESTSUITEDIR): Set to testsuite by default, but override for
3209 (check-gcc, check-g++, check-g77, check-objc): Enter
3212 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3214 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3215 * sched-deps.c (deps_may_trap_p): Likewise.
3216 * basic-block.h: Remove a comment.
3217 * flow.c (PROP_POSTRELOAD): Remove.
3218 (update_life_info): Don't add it to prop_flags.
3219 (mark_set_1): Lose the code that was enabled by it.
3221 2001-01-11 Michael Hayes <mhayes@redhat.com>
3223 * flow.c (flow_call_edges_add): New.
3224 * basic_block.h (flow_call_edges_add): New.
3226 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3228 * reload1.c (move2add_note_store): Update reg_set_luid even if
3229 base reg remains the same.
3231 2001-01-10 Nick Clifton <nickc@redhat.com>
3233 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3234 machine_function structure to zero.
3235 Add prototypes for machine_status functions.
3237 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3239 * c-common.h (CTI_VOID_LIST): Remove.
3240 (void_list_node): Likewise.
3241 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3242 (void_list_node): New macro.
3243 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3244 * config/i386/i386.c (ix86_init_builtins): Likewise.
3245 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3247 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3249 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3250 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3252 * tradcpp.c: Include mkdeps.h.
3253 (deps, print_deps_phony_targets, deps_append, output_deps,
3254 init_dependency_output, output_deps): New.
3255 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3256 deps_output): Delete.
3257 (print_deps_missing_files): Rename deps_missing_files.
3258 (inhibit_output): Make global.
3259 (main): Delete inhibit_output, deps_stream, deps_target.
3260 Use mkdeps functionality in the same way as cpplib. Remove
3261 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3262 -M and -MM. Remove old handling of deps via deps_out, and
3263 old reading of environment variables.
3264 (get_filename): Update to use deps_add_dep.
3266 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3268 * output.h (make_function_rtl): Remove prototype.
3269 (make_decl_rtl): Likewise.
3270 * varasm.c (make_function_rtl): Remove.
3271 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3272 than from a third parameter.
3273 * tree.h (make_decl_rtl): Remove last parameter.
3274 * c-decl.c (builtin_function): Remove last argument in call to
3275 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3276 (start_function): Likewise.
3277 * except.c (call_get_eh_context): Likewise.
3278 * expr.c (emit_block_move): Likewise.
3279 (clear_storage): Likewise.
3280 * profile.c (output_func_start_profiler): Likewise.
3281 * toplev.c (rest_of_decl_compilation): Likewise.
3282 * objc/objc-act.c (create_builtin_decl): Likewise.
3283 (synth_module_prologue): Likewise.
3284 (generate_static_reference): Likewise.
3285 (build_selector_reference_decl): Likewise.
3286 (build_class_reference_decl): Likewise.
3287 (build_objc_string_decl): Likewise.
3288 (build_protocol_reference): Likewise.
3290 2001-01-10 Richard Henderson <rth@redhat.com>
3292 * hwint.h: Revert yesterday's change.
3294 2001-01-10 Nick Clifton <nickc@redhat.com>
3296 * function.h (save_machine_status): Delete.
3297 (restore_machine_status): Delete.
3298 Amend comment describing {init|mark|free}_machine_status.
3300 * function.c (save_machine_status): Delete.
3301 (restore_machine_status): Delete.
3302 Amend comment describing {init|mark|free}_machine_status.
3303 (push_function_context_to): Remove invocation of
3304 save_machine_status.
3305 (pop_function_context_from): Remove invocation of
3306 restore_machine_status.
3308 * emit-rtl.c (init_emit_once): Amend comment describing
3309 {init|mark|free}_machine_status.
3311 * tm.texi (Per-Function Data): New node. Describe the
3312 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3315 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3317 * cppinit.c (OPT_g): Remove.
3318 (cpp_handle_option): Update for removed -g3.
3319 (print_help): Update.
3320 * cpplib.h (struct cpp_options): Remove debug_output.
3321 * cppmain.c (setup_callbacks, cb_define): Update.
3322 * gcc.c (cpp_options): Translate -g3 to -dD.
3324 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3326 * config/i960/i960.md: Change modifier to + on the zero_extract
3327 pattern after the (rotate -2 reg) canonicalization pattern.
3329 2001-01-10 Richard Henderson <rth@redhat.com>
3331 * config/alpha/alpha.c (alpha_free_machine_status): New.
3332 (override_options): Install it.
3333 (alpha_mark_machine_status): Verify machine non-null.
3334 * config/i386/i386.c (ix86_free_machine_status): New.
3335 (override_options): Install it.
3336 (ix86_init_machine_status): Use xcalloc.
3337 (ix86_mark_machine_status): Verify machine non-null.
3338 * config/ia64/ia64.c (ia64_free_machine_status): New.
3339 (ia64_override_options): Install it.
3340 (ia64_mark_machine_status): Verify machine non-null.
3342 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3344 * function.c (instantiate_virtual_regs): Instantiate virtual
3345 registers found in CALL_INSN_FUNCTION_USAGE.
3347 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3349 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3350 equivalent to -ansi in disabling -Di386.
3352 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3354 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3356 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3358 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3360 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3362 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3364 * invoke.texi: Document that -fcond-mismatch isn't supported for
3367 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3369 * gcc.texi: Define macro gcctabopt.
3370 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3371 @command, @env and @option in some places where appropriate. Use
3372 @gcctabopt where appropriate. Put URLs and email addresses inside
3375 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3377 * gcc.c (cpp_options): Set MD file name from output
3378 filename, if specified.
3379 (suffix_subst): New static variable.
3380 (do_spec): Clear it.
3381 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3383 (give_switch): Handle suffix_subst.
3385 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3387 * invoke.texi: Fix another typo.
3389 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3391 * invoke.texi: Fix typo.
3393 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3395 * c-lang.c (lang_hooks): Update.
3396 (lang_decode_option): Remove.
3397 (lang_init_options): Rename c_init_options.
3398 * toplev.c (main): Use lang_hooks for lang_init_options
3399 and lang_decode_option.
3400 * toplev.h (lang_hooks): Add 2 new hooks.
3401 * tree.h: Remove lang_init_options and lang_decode_option.
3402 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3403 * cp/decl2.c: Similarly.
3404 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3405 (lang_hooks): Update.
3406 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3408 (lang_init_options): Rename ffe_init_options.
3409 (lang_hooks): Update.
3410 (lang_decode_option): Remove.
3411 * java/lang.c (lang_init_options): Rename java_init_options.
3412 (lang_decode_option): Rename java_decode_option.
3413 (lang_hooks): Update.
3414 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3415 (lang_decode_option): Rename objc_decode_option.
3416 (lang_hooks): Update.
3418 2001-01-09 Nick Clifton <nickc@redhat.com>
3420 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3421 (d30v_return_addr_rtx): Delete.
3422 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3423 cfun->machine structure.
3424 (struct machine_function): Move to d30v.h
3425 (d30v_save_machine_status): Delete.
3426 (d30v_restore_machine_status): Delete.
3427 (d30v_init_machine_status): New Function.
3428 (d30v_mark_machine_status): New Function.
3429 (d30v_free_machine_status): New Function.
3430 (d30v_init_expanders): Use new functions.
3431 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3432 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3433 d30v_return_addr_rtx.
3435 * config/d30v/d30v.h (struct_machine): Move here.
3436 Add eh_epilogue_sp_ofs field.
3438 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3439 field in cfun->machine structure.
3441 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3443 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3444 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3445 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3447 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3449 * objc/lang-options.h: Remove bogus reference to
3452 2001-01-09 Kazu Hirata <kazu@hxi.com>
3454 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3457 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3459 * reload.c (find_reloads_address): Check for eliminable registers
3460 when substituting a constant expression for a pseudo.
3462 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3464 * c-common.c (enum format_type): Add format_type_error.
3465 (decode_format_type): New function.
3466 (decl_attributes): Use it.
3467 (format_kind_info): Adjust comment.
3469 2001-01-09 David O'Brien <obrien@BSDi.com>
3471 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3472 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3474 * config/i386/gnu.h: Don't include required platform specific .h files,
3475 tm.h will do it instead.
3476 * config/i386/i386elf.h: Likewise.
3477 * config/i386/linux.h: Likewise.
3478 * config/i386/moss.h: Likewise.
3479 * config/mips/gnu.h: Likewise.
3481 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3483 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3484 (rs6000-ibm-aix3.[01]*): Likewise.
3485 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3486 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3487 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3488 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3489 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3490 (powerpc-*-eabiaix*): Likewise.
3491 (powerpc-*-eabisim*): Likewise.
3492 (powerpc-*-elf*): Likewise.
3493 (powerpc-*-eabi*): Likewise.
3494 (powerpc-*-rtems*): Likewise.
3495 (powerpc-*-linux*libc1): Likewise.
3496 (powerpc-*-linux*): Likewise.
3497 (powerpc-wrs-vxworks*): Likewise.
3498 (powerpcle-wrs-vxworks*): Likewise.
3499 (powerpcle-*-sysv*): Likewise.
3500 (powerpcle-*-elf*): Likewise.
3501 (powerpcle-*-eabisim*): Likewise.
3502 (powerpcle-*-eabi*): Likewise.
3503 (powerpcle-*-solaris2*): Likewise.
3504 * config/rs6000/aix31.h: Delete includes.
3505 * config/rs6000/aix3newas.h: Likewise.
3506 * config/rs6000/aix41.h: Likewise.
3507 * config/rs6000/aix43.h: Likewise.
3508 * config/rs6000/beos.h: Likewise.
3509 * config/rs6000/rtems.h: Likewise.
3510 * config/rs6000/sysv4.h: Likewise.
3512 2001-01-09 Kazu Hirata <kazu@hxi.com>
3514 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3515 Change an argument mode of machine_mode to shift_mode of
3516 shift_mode. Remove an extra error check.
3517 (emit_a_shift): Adopt to the new calling prototype of
3519 (function_prologue): Fix code for a monitor
3520 function. Support H8/S.
3521 (function_epilogue): Do not output pop for a monitor function.
3523 2001-01-09 Nick Clifton <nickc@redhat.com>
3525 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3526 (setup_incoming_varargs): Use sysv_varargs_p field of the
3527 cfun->machine structure.
3528 (struct machine_function): Move to rs6000.h
3529 (rs6000_save_machine_status): Delete.
3530 (rs6000_restore_machine_status): Delete.
3531 (rs6000_init_machine_status): New Function.
3532 (rs6000_free_machine_status): New Function.
3533 (rs6000_init_expanders): Use new functions.
3535 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3537 (struct machine_function): Move here.
3539 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3540 sysv_varargs_p field of the cfun->machine structure.
3542 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3544 (rs6000_restore_machine_status): Remove prototype.
3546 2001-01-09 Richard Henderson <rth@redhat.com>
3548 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3549 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3550 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3551 (sched_analyze_2, sched_analyze_insn): Likewise.
3552 (sched_analyze, init_deps): Likewise.
3553 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3554 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3555 (compute_block_backward_dependences): Update propagate_deps call.
3557 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3559 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3561 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3563 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3564 (cpp_handle_option): Handle them.
3565 (cpp_post_options): Ensure one of -M or -MM is specified with
3566 any other -M? option.
3567 (init_dependency_output): Suppress output with -MG.
3569 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3572 * invoke.texi: Update.
3574 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3576 * sh.md (reload_outsf): Generate recognizable patterns for
3579 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3581 * c-lang.c (lang_hooks): Update.
3582 (lang_init): Rename c_init.
3583 (lang_finish): Remove.
3584 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3586 * toplev.h (lang_hooks): Add init () and finish ().
3587 * tree.h (lang_init, lang_finish): Remove.
3588 * cp/tree.h (lang_init, lang_finish): Remove.
3589 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3590 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3592 (lang_init, lang_finish): Remove.
3593 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3594 (lang_hooks): Update.
3595 * java/lang.c (lang_init): Rename java_init.
3596 (lang_finish): Remove.
3597 (lang_hooks): Update.
3598 * objc/objc-act.c (lang_init): Rename objc_init.
3599 (lang_finish): Remove.
3600 (lang_hoooks): Update.
3602 20001-01-09 Graham Stott <grahams@redhat.com>
3604 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3605 after `ptr` is initialised.
3607 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3609 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3610 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3611 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3612 stack adjusts, instead of r3.
3614 2001-01-09 Michael Hayes <mhayes@redhat.com>
3616 * flow.c (flow_loop_scan): Break out of ...
3617 (flow_loops_find) ... here.
3618 * basic-block.h (flow_loop_scan): New.
3619 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3620 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3622 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3624 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3626 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3627 realloc()ing macro_buffer.
3629 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3630 if it's wider than long and the target's long is wider than the
3633 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3635 Remove support for using UWIN as a host machine.
3636 * configure.in: Issue an error message.
3637 * configure: Regenerated.
3638 * config.gcc: Remove xm_* UWIN configury.
3639 * config/i386/xm-uwin.h: Remove.
3641 2001-01-08 Nick Clifton <nickc@redhat.com>
3643 * config/v850/v850.c (ra_rtx): Delete.
3644 (v850_save_machine_status): Delete.
3645 (v850_restore_machine_status): Delete.
3646 (v850_init_machine_status): New function.
3647 (v850_mark_machine_status): New function.
3648 (v850_free_machine_status): New function.
3649 (v850_return_addr): Use ra_rtx field in machine structure.
3650 (v850_init_expanders): Use new functions.
3652 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3653 * config/v850/v850.c: Change arguments to v850_output+* functions
3654 to take a const char *, to avoid compile time warning.
3655 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3656 (USER_LABEL_PREFIX): Redefine.
3658 2000-01-08 Jim Wilson <wilson@redhat.com>
3660 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3661 1 to unsigned HOST_WIDE_INT before left shift.
3663 2001-01-08 Nick Clifton <nickc@redhat.com>
3665 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3666 the machine structure has been allocated.
3667 (arm_free_machine_status): New function: Free the machine
3668 specific function structure.
3670 2001-01-08 Richard Henderson <rth@redhat.com>
3672 * jump.c (simplejump_p): Revert last change.
3674 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3676 * cppinit.c (init): Rename init_library.
3677 (cpp_create_reader): Update.
3678 * gcc.c (cpp_options): If -o given, use it as the target of
3681 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3683 * arm.c (arm_arch5e): New variable.
3684 (all_cores): XScale is a 5TE device.
3685 (arm_override_options): Set arm_arch5e.
3686 (arm_init_builtins): __builtin_prefetch is in arch5e.
3687 * arm.h (arm_arch5e): Declare it.
3689 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3691 * arm.md (define_constants): Add defines for UNSPEC and
3692 UNSPEC_VOLATILE insns. Update all users.
3693 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3694 * arm.c (multi_register_push, note_invalid_constants)
3695 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3696 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3697 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3699 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3701 * jump.c (jump_optimize_1): Use reversed_comparison_code
3702 instead of can_reverse_comparison_p.
3703 (jump_back_p): Likewise.
3704 (invert_exp_1): Likewise.
3705 (thread_jumps): Likewise.
3706 * simplify-rtx.c (simplify_unary_operation): Likewise.
3707 (simplify_ternary_operation): Likewise.
3708 * cse.c (find_comparison_args): Convert to use
3709 can_reverse_comparison_p.
3710 (record_jump_equiv): Likewise.
3712 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3714 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3715 (EPILOGUE_USES): Define.
3716 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3717 automatically stack the LR if it isn't live.
3719 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3721 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3724 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3726 * ggc-page.c (max_alignment): New structure.
3727 (MAX_ALIGNMENT): New macro.
3728 (init_ggc): Use it to round up the sizes in the
3729 extra_order_size_table.
3731 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3733 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3736 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3738 * builtins.def (BUILT_IN_FPRINTF): New entry.
3740 * c-common.c (c_expand_builtin_fprintf): New function.
3741 (init_function_format_info): Handle __builtin_fprintf.
3742 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3743 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3745 * c-decl.c (duplicate_decls): Adjust comment.
3747 * extend.texi (fprintf): Document new builtin.
3749 2001-01-07 Richard Henderson <rth@redhat.com>
3751 * jump.c (simplejump_p): Recognize any single_set jump
3754 2001-01-07 Richard Henderson <rth@redhat.com>
3756 * configure.in (slibdir): Accept an --with-slibdir option.
3757 Use "test" not "[" in configure. Default to $(libdir).
3759 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3761 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3762 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3763 (SHLIB_LINK): Create links for the soname.
3764 * config/mips/t-iris6: Likewise.
3765 * config/sparc/t-slibgcc: Likewise.
3766 * config/sparc/t-slibgcc-sld: Likewise.
3768 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3770 * config/i386/i386.c (constant_call_address_operand): Accept
3771 (const (plus (symbol_ref) (const_int))).
3772 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3773 constant_call_address_operand.
3775 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3777 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3778 and LONG_LONG_TYPE_SIZE > 32.
3780 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3782 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3783 the previous change.
3785 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3787 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3789 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3790 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3791 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3794 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3796 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3798 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3800 * c-lang.c (c_post_options): Call cpp_post_options.
3801 * objc/objc-act.c (objc_post_options): Similarly.
3802 * cppmain.c (main): Similarly.
3803 * fix-header.c (read_scan_file): Similarly.
3804 * cppinit.c (cpp_start_read): Move option consistency checks
3805 to cpp_post_options. Don't call init_dependency_output.
3806 If needed, add default target and main file dependency.
3807 (OPT_MD, OPT_MMD): Remove.
3809 (cpp_handle_option): Update for OPT_* changes.
3810 (cpp_post_options): New.
3811 (init_dependency_output): Command line -MF overrides environment
3812 variables. Don't set default target etc. Suppress output
3813 if dependencies are going to stdout.
3814 (print_help): Update.
3815 * cpplib.h (cpp_post_options): New.
3816 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3818 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3820 * jump.c (comparison_dominates_p): Support unordered compares.
3822 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3824 * simplify-rtx.c (simplify_relational_operation): Always simplify
3825 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3828 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3830 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3831 (nonzero_bits): Likewise.
3832 (simplify_comparison): Likewise.
3833 (num_sign_bit_copies): Likewise; return more sane value depending
3834 on STORE_FLAG_VALUE.
3835 (known_cond): Do not assume EQ to be always true for equivalent
3838 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3840 * cse.c (fold_rtx): Handle unordered comparisons.
3842 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3844 * rtlanal.c (set_of_1): New static function.
3845 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3846 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3847 reg_set_last_last_regno): Remove.
3848 (set_of): New global function.
3849 (set_of_data): New structure.
3850 (reg_set_p, reg_set_last): Revamp for set_of.
3851 * rtl.h (set_of): New.
3853 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3855 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3856 * extend.texi: Document _Exit builtin.
3858 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3860 * (initialize, initialize_builtins,
3861 initialize_dependency_output, initialize_standard_includes):
3862 Rename s/initialize/init. Update.
3863 (init_dependency_output): Move to after
3864 cpp_handle_options, the correct location temporally at least.
3865 (opt_comp): Move next to init (), its caller. Fix prototype.
3866 (init): Make "initialized" local scope.
3867 (cpp_create_reader): Always call init ().
3868 (cpp_start_read): Update.
3869 (output_deps): New function, broken out of cpp_finish.
3870 (cpp_finish): Break out output_deps.
3872 2001-01-07 Richard Henderson <rth@redhat.com>
3874 * collect2.c (COFF specific stuff): Revert 12-06 patch
3875 to prototype system functions.
3877 2001-01-07 Michael Hayes <mhayes@redhat.com>
3879 * hard-reg-set.h: Add multiple include guard.
3880 * basic-block.h (struct loop): Add `sink' field.
3881 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3882 (emit_iv_add_mult): Delete.
3883 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3884 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3885 (unroll_loop): Remove end_insert_before argument.
3886 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3887 (maybe_eliminate_biv_1): Likewise.
3888 (emit_iv_add_mult): Delete.
3889 (gen_add_mult, loop_regs_update): New.
3890 (loop_insn_emit_after, loop_insn_emit_before): New.
3891 (loop_insn_sink, loop_insn_sink_or_swim): New.
3892 (emit_iv_add_mult): Delete.
3893 (scan_loop): Set loop->sink.
3894 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3895 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3896 (maybe_eliminate_biv_1): Likewise.
3897 (maybe_eliminate_biv_1): Add basic block argument.
3898 * unroll.c (unroll_loop): Remove end_insert_before argument.
3899 (find_splittable_regs): Likewise.
3900 (find_splittable_regs): Use loop_insn_sink and its ilk.
3901 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3903 2001-01-07 Michael Hayes <mhayes@redhat.com>
3905 * loop.h (loop_insn_hoist): New prototype.
3906 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3907 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3908 (check_dbra_loop, load_mems): Likewise.
3909 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3910 (find_splittable_givs): Likewise.
3912 2001-01-07 Michael Hayes <mhayes@redhat.com>
3914 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3916 2001-01-07 Richard Henderson <rth@redhat.com>
3918 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3920 2001-01-07 Richard Henderson <rth@redhat.com>
3922 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3923 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3924 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3925 variant that handles a shared libgcc.
3926 (process_command): Always validate -{static,shared}-libgcc.
3927 (do_spec_1): New 'M' case.
3928 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3930 2001-01-07 Richard Henderson <rth@redhat.com>
3932 * Makefile.in (slibdir): New variable.
3933 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3934 (installdirs): Create slibdir.
3935 (install-libgcc, install-multilib): Defer to libgcc.mk.
3936 * configure.in (slibdir): Substitute.
3937 * mklibgcc.in (install): New target.
3939 * config/t-linux (SHLIB_LINK): Create links for the soname.
3940 (SHLIB_INSTALL): New.
3941 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3942 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3943 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3944 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3945 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3947 2001-01-07 Richard Henderson <rth@redhat.com>
3949 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3950 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3951 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3953 2001-01-07 Michael Hayes <mhayes@redhat.com>
3955 * loop.c (count_loop_regs_set): Delete.
3956 (load_mems_and_recount_loop_regs_set): Delete.
3957 (loop_regs_scan): Merge common code from count_loop_regs_set,
3958 scan_loop, and load_mems_and_recount_loop_regs_set.
3959 (scan_loop): Call load_mems directly and loop_regs_scan
3960 again if new registers created.
3962 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3964 * toplev.c (main): Call the front-end specific post_options
3965 hook if one is given.
3966 * toplev.h (struct_lang_hooks, lang_hooks): New.
3967 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3968 for the C front end.
3969 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3970 lang_hooks for the C++ front end.
3971 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3972 lang_hooks for the ObjC front end.
3973 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3974 * java/lang.c (lang_hooks): Hooks for the Java front end.
3976 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3978 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3979 for verbose DWARF[2] debugging.
3980 (cb_define, cb_undef): The new callbacks.
3981 * toplev.h (debug_define, debug_undef): Make const correct.
3982 * toplev.c (debug_define, debug_undef): Similarly. Do not
3983 perform the verbosity tests here anymore.
3985 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3987 * reload.c (subst_reloads): Take INSN argument. When
3988 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3989 * reload.h (subst_reloads): Adjust prototype.
3990 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3991 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3992 present in JUMP_INSNs and copy them to JUMP_LABEL.
3993 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3994 JUMP_INSNs and insns with REG_LABELs that are followed by
3995 JUMP_INSNs with the same REG_LABEL.
3996 * sched-rgn.c (is_cfg_nonregular): Likewise.
3997 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3999 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4001 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4003 2001-01-06 Richard Henderson <rth@redhat.com>
4005 * loop.c (scan_loop): Use xcalloc for the regs array.
4006 (load_mems_and_recount_loop_regs_set): Zero the new memory
4007 received from xrealloc.
4009 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4011 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4013 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4015 * integrate.c (copy_rtx_and_substitute): When copying
4016 an ignored return value, strip REG_FUNCTION_VALUE_P.
4018 2001-01-06 Michael Hayes <mhayes@redhat.com>
4020 * loop.c (debug_biv, debug_giv): New.
4021 (loop_biv_dump): Break out from ...
4022 (record_biv): ... here.
4023 (loop_giv_dump): Break out from ...
4024 (record_giv): ... here.
4025 (loop_bivs_check): Use print_simple_rtl.
4026 * unroll.c (loop_iterations): Use print_simple_rtl.
4028 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4030 * pa.md (return, return_internal): Modify patterns to prevent regrename
4031 mucking with the return pointer.
4033 2001-01-05 Richard Henderson <rth@redhat.com>
4035 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4037 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4039 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4040 version supplied by Matteo Frigo.
4042 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4044 * cpp.texi: Update for -MQ.
4045 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4046 (cpp_cleanup): Always free pfile->deps.
4047 (initialize_dependency_output): Don't create pfile->deps.
4048 (cpp_handle_option): Similarly.
4050 * gcc.c (cpp_options): Handle -MQ.
4051 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4052 * mkdeps.c (base_name): Remove.
4053 (deps_init): Don't allocate vector space until it's needed.
4054 (deps_free): Only free vectors if allocated.
4055 (deps_add_target, deps_add_dep): Update for initial allocation.
4056 (deps_add_default_target): Don't strip to the base_name.
4058 2001-01-05 DJ Delorie <dj@redhat.com>
4060 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4061 (INIT_EXPANDERS): Define.
4063 * config/v850/v850.c (struct machine_function): Define.
4064 (v850_save_machine_status): New function.
4065 (v850_restore_machine_status): New function.
4066 (v850_return_addr): New function.
4067 (v850_init_expanders): New function.
4069 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4070 and v850_init_expanders.
4072 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4074 * cpplib.h (struct cpp_reader): Add help_only field.
4075 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4076 (cpp_handle_option): Set pfile->help_only if we see -h,
4077 --help, -target-help, or --version. Print version string but
4078 do not set help_only if we see -v or -version. Make text
4079 printed by -v match that printed by (-)-version.
4081 * cppmain.c (main): Exit after option parsing if
4082 pfile->help_only is true.
4084 * toplev.c (independent_decode_option): Call print_version,
4085 then exit, if we see --version (but not -version).
4086 (print_version): Split lengthy message into two lines.
4088 2001-01-05 Nick Clifton <nickc@redhat.com>
4090 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4091 temporary string for initialisation before calling ggc_alloc_string.
4093 2001-01-06 Michael Hayes <mhayes@redhat.com>
4095 * rtl.h (print_simple_rtl): New.
4096 * print-rtl.c (print_simple_rtl): New.
4098 (print_rtx): Disable printing of flags and modes, etc.,
4099 if `flag_simple` nonzero.
4101 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4103 * function.c (fixup_var_refs): Use push_to_full_sequence where
4106 2001-01-05 Michael Meissner <meissner@redhat.com>
4108 * flags.h (flag_reorder_blocks): Add declaration.
4109 (flag_rename_block): Ditto.
4111 2001-01-05 DJ Delorie <dj@redhat.com>
4113 * function.c (reorder_blocks): Make sure the flags are all reset
4114 before using them to mark blocks, else a second invocation will
4115 corrupt the block chain.
4116 (reorder_blocks_0): New, resets the flags.
4118 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4120 * cse.c (find_comparison_args): Stop if the argument is known to
4123 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4125 * config/sh/sh.md (movdf): When splitting load into pair of
4126 registers, don't clobber the register used in the address too
4129 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4131 * varasm.c (mark_constant_pool): Improve initial comments.
4132 (mark_constants): Move marking of constants to mark_constant.
4133 (mark_constant): New function to recursively mark all constants
4134 referred to by a constant.
4136 2001-01-05 Catherine Moore <clm@redhat.com>
4138 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4140 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4142 * cp/lang-options.h: Bring comment in line with reality.
4143 * f/lang-options.h: Likewise.
4144 * java/lang-options.h: Likewise.
4145 * objc/lang-options.h: Likewise.
4146 * ch/lang-options.h: Likewise.
4147 * f/g77.texi: And update the manual.
4149 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4150 Denis Chertykov <denisc@overta.ru>
4152 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4153 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4154 * config/avr/avr.md (all peepholes that request a scratch register):
4155 Call it, FAIL the peephole if not safe (in interrupt functions).
4157 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4159 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4161 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4163 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4165 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4166 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4167 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4168 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4169 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4171 * extend.texi: Document these builtins.
4173 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4175 * c-common.c (lang_get_alias_set): Say we know nothing of
4176 VECTOR_TYPE aliasing.
4178 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4180 2001-01-05 Bruce Korb <bkorb@gnu.org>
4182 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4183 their x* equivalent versions for atexit-less systems
4184 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4185 systems (or any other system any more).
4187 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4189 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4190 output operands. Use arm_hard_register_operand for operand 4.
4191 (stmsi_postinc): Similarly.
4192 (ldmsi): Use arm_hard_register_operand for opernand 2.
4194 * arm.c (arm_hard_register_operand): New function.
4195 * arm-protos.h (arm_hard_register_operand): Prototype it.
4197 * arm.h (HARD_REGNO_RENAME_OK): Define.
4199 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4201 * simplify-rtx.c (cfc_args): add "unordered" field.
4202 (check_fold_consts): Set unordered field.
4203 (simplify_relational_operation): Simplify the unordered
4206 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4209 * emit-rtl.c (try_split): Fix code to mark labels.
4210 * jump.c (mark_jump_label): Make global.
4211 * rtl.h (mark_jump_label): Declare.
4213 * predict.c (estimate_probability): Handle unordred comparisons.
4215 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4217 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4218 * cppinit.c (initialize_dependency_output): Update.
4219 (cpp_finish): Output dummy targets for -MP.
4221 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4222 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4223 * gcc.c (cpp_options): Update to handle -MP.
4224 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4225 to quote only the default target.
4226 (deps_phony_targets): Insert a preceding newline. Rename from
4227 deps_dummy_targets for consistency.
4230 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4232 * calls.c (emit_library_call_value_1): Support
4233 INIT_CUMULATIVE_LIBCALL_ARGS.
4234 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4236 2001-01-04 Richard Henderson <rth@redhat.com>
4238 * c-decl.c (finish_struct): Detect flexible array members
4239 used in an inappropriate context.
4240 * c-typeck.c (really_start_incremental_init): Special case
4241 constructor_max_index for zero length arrays.
4242 (pop_init_level): Allow initialization of flexible array
4243 members. Deprecate initialization of zero length arrays.
4244 Don't issue missing initializer warning for flexible array
4245 members or zero length arrays.
4246 (process_init_element): Don't dereference null DECL_SIZE.
4247 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4248 Don't abort for empty constructors. Use size_binop
4249 (output_constructor): Add commentary regarding zero length
4250 array futures. Abort if we try to initialize an array of
4251 unspecified length with a non-empty constructor in the middle
4254 * extend.texi (Zero Length): Update and clarify documentation
4255 on static initialization.
4257 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4259 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4260 with more than 32767 words of local storage.
4262 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4264 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4265 for 'abs', 'labs', and 'fabs'.
4266 (c4x_expand_builtin): Likewise.
4267 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4269 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4271 * config/sh/sh.md (prget, prset): New insn types.
4272 (return delay slot): Dont' allow prset.
4273 (call, sfunc delay slot): Don't allow prget.
4274 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4275 for prset and prget.
4277 2001-01-05 Michael Hayes <mhayes@redhat.com>
4279 * loop.h (struct loop_reg): New.
4280 (struct loop_regs): Change to use array of `struct loop_reg'.
4281 * loop.c: Replace assortment of varrays with single regs array.
4282 (count_one_set): Delete may_not_move array argument
4283 and use regs array instead. All caller's changed.
4284 (count_loop_regs_set): Delete may_not_move and single_usage
4285 arguments and use regs array instead. All caller's changed.
4286 (find_single_use_in_loop): Replace usage array argument with pointer
4287 to regs structure. All caller's changed.
4288 (loop_optimize): Delete `moved_once' array.
4290 2001-01-05 Michael Hayes <mhayes@redhat.com>
4292 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4293 Use it instead of loop_info->has_call for scanning loop mems.
4294 (check_dbra_loop): Replace loop_info->has_call test with
4295 loop_info->has_nonconst_call.
4297 2000-01-04 Matthew Hiller <hiller@redhat.com>
4299 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4302 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4304 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4305 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4307 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4309 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4310 (flag_short_double, flag_short_wchar): Define.
4311 (c_common_nodes_and_builtins): Create many tree nodes shared
4312 between C and C++ here instead of in cp/decl.c and ...
4313 * c-decl.c (init_decl_processing): ... here.
4314 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4315 (flag_short_double, flag_short_wchar): Don't define.
4316 (record_builtin_type): New function.
4317 (build_void_list_node): New function.
4318 * c-common.h (flag_short_double, flag_short_wchar,
4319 record_builtin_type, build_void_list_node): Declare.
4321 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4323 * integrate.c (expand_inline_function): Don't put a virtual
4324 register into the reg map.
4326 * function.c (fixup_var_refs_1): If force_operand didn't put
4327 the address into the target, move it there.
4329 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4331 Special-case tree_decl/tree_list allocations.
4332 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4333 (OBJECT_SIZE): New macro.
4334 (NUM_EXTRA_ORDER): Likewise.
4335 (extra_order_size_table): New variable.
4336 (NUM_ORDERS): New macro.
4337 (objects_per_page_table): New variable.
4338 (object_size_table): New variable.
4339 (G.pages): Use NUM_ORDERS to bound the array.
4340 (G.page_tails): Likewise.
4341 (DIV_ROUND_UP): Remove.
4342 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4343 (alloc_page): Use OBJECT_SIZE.
4344 (size_lookup): Don't make it const.
4345 (ggc_alloc): Use OBJECT_SIZE.
4346 (ggc_set_mark): Likewise.
4347 (ggc_get_size): Likewise.
4348 (init_ggc): Set up the object_size_table, objects_per_page_table,
4349 and adjust size_lookup.
4350 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4351 (ggc_pop_context): Use NUM_ORDERS.
4352 (clear_marks): Likewise.
4353 (sweep_pages): Likewise.
4354 (poison_pages): Likewise.
4355 (ggc_print_statistics): Use OBJECT_SIZE.
4357 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4359 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4360 Only call array_size_for_constructor if last field and array type
4361 with no upper bound.
4363 2001-01-04 Philip Blundell <philb@gnu.org>
4365 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4366 from bit 31 downwards, if this requires no more insns.
4367 (count_insns_for_constant): New helper function for above.
4369 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4371 * gencodes.c (output_predicate_decls): Remove empty initializer.
4373 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4375 * tree.c (copy_node): Remove documentation about obstacks.
4376 (buidl1): Check that nobody tries to build 2-argument nodes this
4379 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4381 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4384 * gencodes.c (output_predicate_decls): Fill empty initializer
4387 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4389 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4390 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4392 (do_include): Handle missing headers like cpp0.
4393 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4394 paths with first include pathname. Don't strcat to uninitialized
4397 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4399 * regrename.c (regrename_optimize): Don't rename from frame pointer
4400 if frame_pointer_needed.
4401 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4402 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4403 (ia64_reorg): Use it instead of scheduling if ! optimize.
4404 (errata_emit_nops): Properly call asm_noperands.
4405 (ia64_sched_reorder): Finish cycle if we see an asm.
4406 (ia64_variable_issue): Clear scheduling state after asms.
4408 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4410 * cpp.texi: Update for -MT.
4411 * cppinit.c (initialize_dependency_output): Add a default
4412 target if none has been given already.
4413 (no_tgt, OPT_MT): New.
4414 (cpp_handle_option): Handle -MT. Update -M etc.
4415 * cpplib.h (struct cpp_options): Remove deps_target.
4416 * gcc.c (cpp_options): Handle -MT.
4417 * mkdeps.c (struct deps): Move from mkdeps.h.
4418 (deps_calc_target): Rename deps_add_default_target. Add a
4419 default target if none has been specified already.
4420 * mkdeps.h (struct deps): Move to mkdeps.c.
4421 (deps_calc_target): Rename deps_add_default_target.
4423 2000-01-03 Richard Henderson <rth@redhat.com>
4425 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4427 * c-typeck.c (push_init_level): Move checks for flexible array
4428 members and zero length arrays ...
4429 (pop_init_level): ... here. Silently discard empty initializations.
4431 * varasm.c (output_constructor): Update for sizeof change to
4434 * extend.texi (Zero Length): Clarify semantics.
4436 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4438 * configure.in (tm.h): Include isns-codes.h last.
4439 * configure: Rebuilt.
4441 2001-01-03 Richard Henderson <rth@redhat.com>
4443 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4444 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4446 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4448 * tradcpp.c (main): Make sure finclude() is called with a valid
4449 indepth value while handling -include.
4451 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4453 * gencodes.c (output_predicate_decls): New function.
4455 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4456 even if it is not the first time machmode.h is #included.
4457 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4458 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4459 * gcc.texi (Copyright): Added 2001.
4461 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4463 * c-common.c (c_common_lang_init): New function. Warn if format
4464 warning options which only have effects when used with -Wformat
4465 are used without -Wformat.
4466 * c-common.h (c_common_lang_init): Declare.
4467 * c-lang.c (lang_init): Call c_common_lang_init.
4468 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4470 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4472 * configure.in: Check for the mktemp command.
4473 * configure: Regenerate.
4474 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4475 $TEMP. Create temporary files with mktemp, if available at
4476 configure time; otherwise use set -C. Remove temporary files
4479 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4481 * configure.in: Require at least texinfo 4.0. Check for whether
4482 Pod::Man is sufficiently recent to regenerate GCC manpages.
4483 * configure: Regenerate.
4484 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4486 (GENERATED_MANPAGES): Define.
4487 (generated-manpages): New target. Depend on cpp.1 as well as
4489 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4490 configure to generated-manpages or empty) rather than on the
4491 manpages directly. Remove execute permission from installed
4492 gcov.1 as well as cpp.1.
4493 * cpp.1, gcov.1: Regenerate.
4495 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4497 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4498 tree_low_cst. Allow using cmpstrsi in more cases.
4500 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4502 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4505 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4507 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4508 * Makefile.in (HOST_CFLAGS): Mention build-make.
4510 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4512 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4515 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4517 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4520 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4523 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4524 reg_base_value and reg_known_value arrays.
4525 (init_alias_analysis): Add more cases to detect known values.
4526 * sched-deps.c (deps_may_trap_p): New function.
4527 (sched_analyze_2): Use it.
4529 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4531 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4532 don't discard an ASHIFTRT if we're shifting in a wider mode.
4534 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4536 * toplev.c (rest_of_compilation): Don't print basic block information
4537 when CFG isn't up to date.
4539 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4541 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4542 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4543 (UNALIGNED_SHORT_ASM_OP): Define.
4544 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4546 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4548 * fold-const.c (fold_convert): Fix typo.
4550 2001-01-02 Richard Henderson <rth@redhat.com>
4552 * c-common.h (ASM_INPUT_P): New.
4553 * c-parse.in (asm): Set it when needed.
4554 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4555 existance of an operand.
4557 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4559 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4560 (dwarf2out_frame_debug_expr): Likewise.
4561 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4563 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4565 * i386.c (ix86_split_to_parts): Return number of part required;
4567 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4569 (ix86_split_long_move): Use number of part returned
4570 by ix86_split_to_parts
4571 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4573 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4574 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4575 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4576 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4577 (ALIGN_MODE_128): Add TFmode.
4578 (IS_STACK_MODE): Likewise.
4579 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4580 (HARD_REGNO_OK): Support TFmodes.
4581 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4582 * i386.md (scheduler definitions): Use memory operand to determine
4583 fst/fld instructions; use mode attribute to determine real mode of
4585 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4586 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4588 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4590 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4592 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4594 * expr.c (store_constructor_field): Update ALIGN before calling
4597 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4599 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4602 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4604 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4607 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4609 * c-decl.c (start_function): Don't warn on third parameter to main.
4611 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4613 * tsystem.h: Define HAVE_DECL_GETOPT.
4615 2001-01-02 Philip Blundell <pb@futuretv.com>
4617 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4620 2001-01-02 Richard Henderson <rth@redhat.com>
4622 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4624 2001-01-02 Andreas Jaeger <aj@suse.de>
4626 * c-decl.c (c_decode_option): Remove support of
4629 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4630 (W_options): Add -Wmissing-noreturn here.
4632 * flow.c: Define lang_missing_noreturn_ok_p.
4633 (check_function_return_warnings): Use it.
4635 * c-common.h: Declare lang_missing_noreturn_ok_p.
4637 * c-lang.c (c_missing_noreturn_ok_p): New function.
4638 (lang_init): Set lang_missing_noreturn_ok_p.
4640 * invoke.texi (Warning Options): Document this.
4642 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4644 * extend.texi (C++ Extensions): New node for C++ attributes;
4645 describe init_priority and com_interface.
4646 * invoke.texi: Remove -finit-priority as it now has zero effect.
4647 * install.texi: Fix xref syntax.
4648 * md.texi: Likewise.
4650 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4652 * config.gcc (sparc64-wrs-vxworks*): New case.
4653 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4655 * config/sparc/sparc.c (sparc_override_options): Do support different
4656 pointer and architecture size.
4657 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4658 (POINTERS_EXTEND_UNSIGNED): Define.
4659 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4660 (FUNCTION_MODE): Define to be Pmode.
4661 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4663 * function.c (expand_function_end): Properly handle DECL_RESULT
4664 and copy when ptr_mode != Pmode.
4665 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4667 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4669 * c-common.c (c_common_nodes_and_builtins): Set prototype
4670 parameters for __builtin_fputs, __builtin_fputc and
4671 __builtin_fwrite. Don't declare plain fputc as a builtin.
4673 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4675 * loop.c (add_label_notes): Increment the label usage count when
4676 a note is added to an insn which refers to a CODE_LABEL.
4677 * gcse.c (add_label_notes): Likewise.
4679 2001-01-01 Andreas Jaeger <aj@suse.de>
4681 * loop.c (scan_loop): Use xmalloc to allocate movables.
4683 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4685 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4686 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4687 * reload1.c (REGISTER_MOVE_COST): Likewise.
4688 * regclass.c (REGISTER_MOVE_COST): Likewise.
4689 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4690 dimension. Adjust all users.
4691 (init_reg_sets_1): Iterate on all modes.
4692 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4693 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4694 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4695 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4696 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4697 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4698 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4699 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4700 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4701 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4702 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4703 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4704 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4705 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4706 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4707 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4708 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4709 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4710 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4711 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4712 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4713 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4714 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4715 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4716 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4717 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4718 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4720 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4722 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4723 arg VARIES_P. Call it with extra arg.
4724 (true_dependence): Likewise.
4725 * rtl.h (rtx_addr_can_trap_p): Declare.
4726 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4728 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4729 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4730 pic offset table register if it's zero. All callers changed.
4731 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4733 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4735 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4736 STRING_POOL_ADDRESS_P.
4738 * config/sparc/sparc.c (input_operand): Properly test for short op.
4740 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4741 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4742 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4743 * config/sparc/elf.h: No longer include sol2.h.
4744 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4745 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4747 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4749 2001-01-01 Michael Hayes <mhayes@redhat.com>
4751 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4752 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4753 (record_initial): Likewise.
4754 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4755 (remap_split_bivs): Likewise.
4757 2001-01-01 Michael Hayes <mhayes@redhat.com>
4759 * loop.c (loop_ivs_free): New function.
4760 (strength_reduce): Break out from...
4762 2001-01-01 Michael Hayes <mhayes@redhat.com>
4764 * loop.h (struct iv): New.
4765 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4766 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4767 'reg_biv_class' fields with 'regs' and 'n_regs'.
4768 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4769 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4770 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4772 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4774 * resource.c (mark_referenced_resources): Abort() before
4775 attempting to mark a pseudo register.
4776 (mark_set_resources): Likewise.
4778 2001-01-01 Michael Hayes <mhayes@redhat.com>
4780 * loop.h (REG_IV_CLASS): New accessor macro.
4781 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4782 * unroll.c (REG_IV_CLASS): Likewise.
4784 See ChangeLog.4 for earlier changes.
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