1 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6 (mips_asm_file_end): Free temp_filename here.
8 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
11 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
13 * config/i386/i386.md (movstrsi): Handle FAIL case.
15 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
17 * cppinit.c (builtin_array): Update.
18 (init_builtins): Flag builtins to warn if redefined or
19 undefined. Define __GXX_WEAK as a normal macro.
20 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
21 * cpplib.h (NODE_WARN): New flag.
22 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
23 Handle __STDC__ as a builtin only on Solaris.
24 (warn_of_redefinition): Renamed from check_macro_definition.
25 Reverse sense of test. Always warn if NODE_WARN.
26 (_cpp_create_definition): Use warn_of_redefinition. Flag
27 any macro beginning with "__STDC_" to require a mandatory
28 warning if redefined or undefined.
30 2001-02-24 Zack Weinberg <zackw@stanford.edu>
32 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
33 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
34 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
35 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
36 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
37 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
39 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
40 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
41 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
42 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
43 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
45 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
46 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
49 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
50 Delete now-empty file.
52 * alpha/vms.h: Define NEED_ATEXIT here...
53 * alpha/xm-vms.h: ...not here.
55 * i386/cygwin.h: Don't define PARAMS.
56 * mips/mips.c: Don't prototype mktemp. Don't define
57 P_tmpdir. Use make_temp_file to create temporary files.
58 Don't be clever and delete temporary files early.
59 * config.gcc: Drop references to deleted files. Don't define
61 * gcc.texi: Don't mention USE_PROTOTYPES.
63 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
65 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
66 (ix86_set_move_mem_attrs_1): Likewise.
67 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
68 * config/i386/i386.md (movstrsi): Call it.
70 2001-02-24 Zack Weinberg <zackw@stanford.edu>
72 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
73 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
74 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
75 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
77 (i750a-*-*): Error here if hosting on i750a.
78 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
80 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
81 Remove (empty modulo comments).
83 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
84 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
85 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
86 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
87 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
88 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
90 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
91 Remove reference to winnt.h in comment.
92 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
94 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
96 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
97 used to set another biv.
99 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
101 * tree.h (BLOCK_DEAD): New macro.
102 (struct tree_block): New flag, dead_flag.
103 * print-tree.c (print_node, case 'b'): Print missing fields.
104 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
105 * function.c (identify_blocks): Enable test for misplaced notes.
106 (all_blocks): Skip BLOCK_DEAD blocks.
107 * integrate.c (integrate_decl_tree): Likewise.
109 * errors.c (internal_error, trim_filename): New functions.
110 (fancy_abort): Call internal_error.
111 * errors.h (internal_error, trim_filename): New declarations.
113 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
115 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
117 (EXTRA_CONSTRAINT): Formatting changes.
119 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
121 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
123 2001-02-23 Per Bothner <per@bothner.com>
125 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
126 so they can be called from java/jvspec.c.
127 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
129 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
131 * i386.c (ix86_frame): New structure.
132 (ix86_compute_frame_size): Kill.
133 (ix86_compute_frame_layout): New.
134 (ix86_save_reg): New.
135 (ix86_can_use_return_insn_p): Use frame layout stuff.
136 (ix86_expand_prologue): Likewise.
137 (ix86_expand_epilogue): Likewise.
138 (ix86_initial_elimination_offset): Likewise.
139 (ix86_nsaved_regs): Use ix86_save_reg.
140 (ix86_emit_save_regs): Likewise.
142 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
144 * flow.c (find_sub_basic_blocks): New function.
145 (split_block): Be ready for basic block introduced by CODE_LABEL.
146 (commit_one_edge_insertion): Call find_sub_basic_block.
148 * flow.c (make_edges): Add edge from entry for blocks starting with
149 label having ALTERNATE_NAME
151 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
153 * function.c (epilogue_done): Be ready for first basic block not
154 containing PROLOGUE_END note.
155 (reposition_prologue_and_epilogue_notes): Avoid placing
156 PROLOGUE_END note between BASIC_BLOCK.
158 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
160 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
162 2001-02-21 DJ Delorie <dj@redhat.com>
164 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
165 check for current_function_has_nonlocal_goto from 1999-11-12.
167 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
169 * diagnostic.c (trim_filename): No longer static.
170 * toplev.h (trim_filename): Declare.
171 * rtl.c (rtl_check_failed_bounds): Call internal_error.
172 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
173 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
174 (rtvec_check_failed_bounds): Likewise.
175 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
177 * convert.c (convert_to_integer): Don't do unsigned unless result or
178 both inputs are unsigned.
180 * fold-const.c (fold_convert): Don't call size_int_type_wide if
183 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
185 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
187 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
189 * Makefile.in (resource.o): Add params.h dependence.
190 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
191 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
192 * resource.c: Add dependence on params.h.
193 (current_live_regs): Fix explanatory comment.
194 (find_basic_block): Add new parameter to permit limiting search
196 (mark_target_live_regs): Add new argument to find_basic_block call.
197 (incr_ticks_for_insn): Likewise.
199 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
201 * diagnostic.c (output_to_stream): Rename to
202 output_buffer_to_stream. Loses the stream parameter.
203 (init_output_buffer): Set diagnosic_buffer's stream.
204 (flush_diagnostic_buffer): Adjust.
205 (default_print_error_function): Likewise.
206 (finish_diagnostic): Likewise.
207 (verbatim): Likewise.
209 * diagnostic.h (struct output_buffer): Add `stream' field.
210 (output_buffer_attached_stream): New macro.
212 2001-02-23 Jakub Jelinek <jakub@redhat.com>
214 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
215 check if either operand is divisible by C.
216 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
217 If type is signed, consider negative numbers as well.
219 2001-02-22 Richard Henderson <rth@redhat.com>
221 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
222 reach .text instead of gp-relative relocs.
223 * config/ia64/crtend.asm (.init): Likewise.
225 2001-02-22 Andreas Jaeger <aj@suse.de>
227 * extend.texi (C++ Attributes): Fix typo.
229 2001-02-21 David Mosberger <davidm@hpl.hp.com>
231 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
232 functions, drop current_function_args_info.words test.
233 (ia64_compute_frame_size): Mark syscall_linkage functions as
234 using eight input registers.
236 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
237 Bruce Korb <bkorb@gnu.org>
239 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
240 * fixinc/README: Document how to convert sed substitutions
241 to format style c_fix-es.
242 * fixinc/fixincl.x: regen
244 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
246 * gcc.c: Add comment explaining how to add a command-line option.
247 Add title to specs language comment.
249 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
251 * gcc.c (cc1_options): Add "-param".
252 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
253 (option_map): Likewise.
254 * toplev.c (display_help): Add entry for "--param".
255 (independent_decode_option): Fix typographical error.
257 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
258 Bernd Schmidt <bernds@redhat.com>
259 Jan Hubicka <jh@suse.cz>
261 * i386.c (function_arg_advance): Pass SSE arguments in registers.
262 (function_arg): Likewise.
264 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
266 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
268 2001-02-21 Kazu Hirata <kazu@hxi.com>
270 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
274 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
276 * flow.c (init_propagate_block_info): Canon address and use single_set
277 for killing dead memory stores.
279 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
281 * Makefile.in (reorg.o): Add params.h dependence.
282 * params.def: Fix typographical error in comment.
283 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
284 * params.h: Modify introductory comment.
285 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
286 * reorg.c: Add dependence on params.h.
287 (redundant_insn): Add parameterized throttle for search.
288 (fill_simple_delay_slots): Add a comment explaining a variable.
289 Move conditional out of loop, simplifying code.
290 (fill_eager_delay_slots): Fix typographical error in comment.
292 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
294 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
296 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
297 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
299 2001-02-21 Jason Merrill <jason@redhat.com>
301 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
302 (struct tree_decl): Add uninlinable bitfield.
303 * c-decl.c (duplicate_decls): Set it.
304 * integrate.c (function_cannot_inline_p): Check it.
306 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
307 DW_AT_MIPS_linkage_name to abstract methods.
308 (dwarf2out_abstract_function): Emit class context before calling
309 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
310 (gen_subprogram_die): Remove obsolete code.
311 (gen_member_die): Don't include clones in the member list.
312 (gen_decl_die): Emit abstract info for clone origin.
313 * dwarfout.c (output_type): Don't include clones in the member list.
314 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
315 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
316 DECL_ABSTRACT on a function that already has it set.
318 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
319 (get_subprogram_die): Pass it in.
321 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
323 * flow.c (mark_set_1): Make not_dead unsigned long. For
324 non-pseudos, use it as a bitmask of the hard regs that
327 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
329 * cppfiles.c: Update comments.
330 (_cpp_read_file): Don't check for NULL filenames any more.
331 * cppinit.c (cpp_start_read): Don't do canonicalization of
332 in_fname and out_fname. Use the passed file name exclusively.
333 (_cpp_handle_options): Don't treat "-" as a command line option,
334 but as a normal filename.
335 (_cpp_post_options): Canonicalize in_fname and out_fname.
336 * cppmain.c (printer_init): Don't check out_fname for NULL.
337 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
338 (init_c_lex): Update, and use "" to represent stdin to CPP.
341 2001-02-20 Will Cohen <wcohen@redhat.com>
343 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
344 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
345 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
348 2001-02-20 Stan Shebs <shebs@apple.com>
350 * config/rs6000/rs6000.c (output_cbranch): Output branches
351 on separate lines instead of using ';' to separate.
353 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
355 * cppinit.c (set_lang): Move builtin handling to...
356 (init_builtins): ...here.
357 (_cpp_create_reader): Move call to set_lang.
359 2001-02-20 Mark Mitchell <mark@codesourcery.com>
361 * stmt.c (expand_return): If an attempt is made to return the
362 error_mar_node, treat the return like a return without a value.
364 2001-02-19 Zack Weinberg <zackw@stanford.edu>
366 * sibcall.c (skip_copy_to_return_value): Call
367 identify_call_return_value here, and return orig_insn if it
368 returns zero. Hardret and softret arguments now unnecessary.
369 (call_ends_block_p): Don't call identify_call_return_value here.
371 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
373 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
374 * ggc.h (ggc_mark_if_gcable): Delete prototype.
376 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
378 * pa.c (move_operand): Accept code to load the address of a
379 symbol out of the DLT as a valid move operand.
380 (print_operand, case 'A'): New to handle generating a DLT
381 reference for a LO_SUM expression.
382 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
383 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
385 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
387 * README, cpp.texi, gcc.texi, version.c: Update version number to
389 * cpp.1, gcov.1, gcc.1: Regenerate.
391 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
393 * cppfiles.c (stack_include_file): Generate dependencies
394 here, and manage include_count here too.
395 (PRINT_THIS_DEP): Delete.
396 (_cpp_execute_include): Do not generate dependencies here,
397 apart from the case of a missing header. Do not manage
399 (_cpp_read_file): Leave dependency generation to
402 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
404 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
405 target_cpu_default. Remove dead assignment to
408 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
410 * regclass.c (contains_reg_of_mode): Make global.
411 (init_reg_sets): Remove contains_reg_of_mode; take into account
412 CLASS_MAX_NREGS when looking for the proper mode.
413 (dump_regclass): Dump only classes considered for the pseudo.
414 (regclass): Use contains_reg_of_mode.
416 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
418 * gcc.c (do_spec_1): 'n' for printing notices.
419 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
421 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
423 * reg-stack.c (next_flags_user): Use current_block->end
424 (swap_rtx_condition): Look for next user if flags don't die;
425 give up on CALL_INSNs; use current_block->end.
427 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
429 * sibcall.c (call_ends_block_p): New function.
430 (optimize_sibling_and_tail_recursive_call): Use it.
432 2001-02-18 Kazu Hirata <kazu@hxi.com>
434 * config/h8300/h8300.md: Update copyright.
435 (andsi3): Do not output an extra newline character.
437 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
439 * toplev.c (note_deferral_of_defined_inlined_function): Argument
440 FNDECL may be unused.
442 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
443 follow jumps after first run.
444 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
445 it doesn't change any jumps.
447 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
449 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
450 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
451 (mostlyclean): Corresponding changes.
452 * rtlanal.c (hard-reg-set.h): Include.
453 (rtx_unstable_p): Do not treat the argument pointer specially
454 if it is not a fixed register.
455 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
457 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
459 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
460 against last real insn in basic block.
461 Rework to avoid gotos.
463 * Makefile.in (gcse.o): Now includes ggc.h.
464 * gcse.c: Include ggc.h.
465 (want_to_gcse_p): Verify expression can be in SET as valid insn.
466 (try_replace_reg): Remove warning of uninitialize variable.
467 (process_insert_insn): Call invalid_insn_p to validate insn.
468 * recog.c (insn_invalid_p): Now global.
469 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
470 * recog.h (insn_invalid_p): New declaration.
472 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
474 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
475 assignments from FP constants since 'Y' output code can't handle it.
476 (eligible_for_sibcall_delay): Likewise.
478 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
479 Call fancy_abort directly, passing args.
480 (print_rtl_and_abort): Now a macro, like fancy_abort.
482 * final.c (output_operand_lossage): Use internal_error, not error.
484 2001-02-18 Shane Nay <shane@agendacomputing.com>
486 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
487 structure shift insns.
489 2001-02-18 Mark Mitchell <mark@codesourcery.com>
491 * invoke.texi (-fsquangle): Remove documentation.
492 (-fname-mangling-version): Likewise.
494 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
496 * optabs.c (expand_abs): Remove reference to
497 HAVE_contitional_arithmetic.
498 * combine.c (simplify_set): Likewise.
500 2001-02-18 Richard Henderson <rth@redhat.com>
502 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
505 2001-02-18 Richard Henderson <rth@redhat.com>
507 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
509 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
511 * reload1.c (reload_cse_simplify_set): Fix typo.
513 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
515 * diagnostic.c (_fatal_insn): Decrement errorcount.
517 * invoke.texi (-I): Add note avoiding use for system header files.
519 * rtl.h (add_clobbers): Remove duplicate declaration.
520 * recog.h (added_clobbers_hard_reg_p): New declaration.
521 * genemit.c (struct clobber_pat): New field has_hard_reg.
522 (gen_insn): Record if added clobbers clobber hard reg.
523 (gen_split): Avoid unused warning if number of operands is 0.
524 (output_added_clobbers_hard_reg_p): New function.
527 2001-02-18 Alan Modra <alan@linuxcare.com.au>
529 * pa.c (hppa_expand_prologue): Simplify code storing return
530 pointer. For large (>=8k) frames with a post_store, adjust stack
531 pointer by 8k-64 first rather than by 64. When testing with
532 VAL_14_BITS_P, always use the actual value rather than the value
533 negated. Add blockage to prevent scheduling of spills before
534 stack frame has been created.
535 (hppa_expand_epilogue): Simplify code loading return pointer.
536 Allow a slightly larger range for merge_sp_adjust_with_load case.
537 When testing with VAL_14_BITS_P, always use the actual value.
539 * pa.c (pa_adjust_insn_length): Check that block move
540 pattern is a set before looking at operands.
542 2001-02-17 Mark Mitchell <mark@codesourcery.com>
544 * fold-const.c (fold_binary_op_with_conditional_arg): New
545 function, split out from ...
547 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
548 conditional arms that throw exceptions.
550 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
553 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
555 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
556 define HAVE_DECL_* to 1 to mask potential backup declarations.
557 * configure: Regenerated.
559 2001-02-17 Mark Mitchell <mark@codesourcery.com>
561 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
563 2001-02-17 Richard Henderson <rth@redhat.com>
565 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
566 when replacing a memory load with a register.
568 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
569 Jan Hubicka <jh@suse.cz>
571 * recog.c (validate_replace_src_1): New.
572 (validate_replace_src_data): Likewise.
573 (validate_replace_src): Use note_uses.
574 * rtl.h (note_uses): Declare.
575 * rtlanal.c (note_uses): New.
577 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
579 * reg-stack.c (stack_def): Make field reg unsigned.
580 (remove_regno_note): Unsignetize parameter.
582 2001-02-16 Jes Sorensen <jes@linuxcare.com>
584 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
585 shladd_operand() call.
587 2001-02-16 Bruce Korb <bkorb@gnu.org>
588 Rodney Brown <RodneyBrown@mynd.com>
590 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
591 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
593 * fixinc/fixincl.x: regen
595 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
597 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
599 (hash_scan_insn): Clean up calls to hash_scan_set.
600 (compute_kill_rd): REGNO now unsigned.
601 (try_replace_reg): Rework to use simplify_replace_rtx.
602 (cprop_jump, cprop_cc0_jump): Likewise.
603 (cprop_insn): Call find_reg_equal_equiv_note.
604 Reflect changes to cprop_jump and cprop_cc0_jump.
606 * recog.c (validate_replace_src): Replace in operands of
607 ZERO_EXTRACT in SET_DEST.
609 * cse.c (new_label_ref): New variable.
610 (insert): Set it instead of recorded_label_ref.
611 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
612 CODE_LABEL for this function, and not already in REG_LABEL note.
614 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
616 * resource.c (mark_referenced_resources): Fix typo in introductory
618 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
621 2001-02-16 Jason Merrill <jason@redhat.com>
623 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
625 (gen_subprogram_die): Don't abort on seeing a second definition if
626 the previous one was abstract. Don't replace an abstract instance
629 * dwarf2out.c (dwarf2out_abstract_function): Rename from
630 gen_abstract_function.
631 * dwarf2out.h: Declare it.
632 * toplev.c (note_outlining_of_inline_function): New fn.
633 * toplev.h: Declare it.
634 * integrate.c (output_inline_function): Call it.
635 * c-decl.c (duplicate_decls): Call it when redefining an extern
636 inline. Don't inline the new defn.
638 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
640 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
642 * .gdbinit: Rename to gdbinit.in.
643 * gdbinit.in: New file,
644 * configure.in: Generate .gdbinit from gdbinit.in.
645 * configure: Regenerated.
646 * Makefile.in (distclean): Always remove .gdbinit.
648 2001-02-16 Jakub Jelinek <jakub@redhat.com>
650 * objc/objc-act.c (start_class): Register implemented_classes with
653 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
655 * cppfiles.c (_cpp_make_system_header): Generate a file
658 2001-02-15 Jim Meyering <meyering@lucent.com>
660 * Makefile.in (install-common): Don't depend on installdirs here.
661 Instead, make each of the lang.install-common targets (e.g.,
662 c++.install-common in cp/Make-lang.in) depend on it.
663 (install-driver): Depend on installdirs.
665 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
667 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
669 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
672 2001-02-15 Mark Mitchell <mark@codesourcery.com>
674 * invoke.texi (--param): Document.
676 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
678 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
680 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
682 * i386.md (extendsfdf2_2): Fix constraints.
684 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
686 * i386.md (fop_df_3 splitter): Fix operand number.
688 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
690 * invoke.texi (-mreg-alloc): Nuke.
691 * i386.c (ix86_reg_alloc_order, regs_allocated,
692 order_regs_for_local_alloc): Nuke.
693 (override_options): Kill reg_alloc code.
694 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
695 (REG_ALLOC_ORDER): SSE goes before I387.
696 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
697 (ix86_reg_alloc_order): Likewise.
698 * i386-protos.h (ix86_reg_alloc_order): Kill.
700 2001-02-14 Richard Henderson <rth@redhat.com>
702 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
704 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
706 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
708 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
710 * i386-protos.h (ix86_memory_move_cost): Move offline.
711 * i386.c (ix86_register_move_cost): Compute properly cost of
712 SSE, MMX and i387 instructions.
713 (*_cost): Add costs of SSE/MMX moves.
714 (ix86_memory_move_cost): Move offline from ....; Likewise.
715 * i386.h (MEMORY_MOVE_COST): .... here;
716 (struct processor costs): Add new fields to represent costs
719 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
721 * regclass.c (init_reg_sets_1): Reinstall the optimization of
722 move_cost together with Matt Kraai's fix.
724 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
726 * Makefile.in (OBJS): Add params.o.
728 2001-02-14 Richard Henderson <rth@redhat.com>
729 DJ Delorie <dj@redhat.com>
731 * jump.c (jump_optimize_1): When we delete a conditional jump
732 preceeding a non-conditional jump to effectively the same place,
733 make sure that the combined jump skips any clobber insns between
736 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
738 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
740 2001-02-14 Mark Mitchell <mark@codesourcery.com>
742 * Makefile.in (toplev.o): Depend on params.h.
743 (intergate.o): Likewise.
744 (params.o): New target.
745 * flags.h (inline_max_insns): Remove.
746 * integrate.c: Include params.h.
747 Use MAX_INLINE_INSNS instead of inline_max_insns.
748 * params.c: New file.
749 * params.h: Likewise.
750 * params.def: Likewise.
751 * toplev.c: Include params.h.
752 (lang_independent_params): New variable.
753 (decode_f_option): Use the param machinery instead of setting
755 (independent_decode_option): Handle "--param name=value".
756 (main): Register language-independent parameters.
758 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
760 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
762 2001-02-14 Richard Henderson <rth@redhat.com>
764 * regclass.c (init_reg_sets_1): Revert last two changes.
766 2001-02-14 Jakub Jelinek <jakub@redhat.com>
768 * stor-layout.c (is_pending_size, put_pending_size): New functions.
769 (variable_size): Call put_pending_size.
770 * tree.h (is_pending_size, put_pending_size): Add prototypes.
771 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
772 sizes list, put newly created SAVE_EXPR there as well.
774 2001-02-14 Jakub Jelinek <jakub@redhat.com>
776 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
777 (errata_find_address_regs): load_group has only 2 entries.
778 (errata_emit_nops): Likewise. shladd is not problematic.
779 Clear last_group if nop was emitted.
780 (fixup_errata): load_group has only 2 entries.
783 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
785 * c-lex.c (lex_number): Only warn traditionally for U suffix
786 outside system macros.
787 * cppexp.c (parse_number): Similarly.
788 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
789 * cppmacro.c (struct cpp_macro): New member node.
790 (parse_args): Only warn about missing rest args if not
792 (funlike_invocation_p): Similarly for uninvoked funlike macros.
793 (cpp_sys_objmacro_p): New.
794 (_cpp_create_definition): Store the node with the macro defn.
795 Remember if the macro is defined in a system header.
797 2001-02-13 DJ Delorie <dj@redhat.com>
799 * configure.in (check_languages): determine languages to check
800 * Makefile.in (check-c++): alias for check-g++
801 (check-f77): alias for check-g77
802 (CHECK_TARGETS): depend on configured languages
804 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
806 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
807 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
808 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
809 (sqrtextendsfdf2): Disable for SSE2.
811 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
813 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
814 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
815 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
816 (sqrtextendsfdf2): Disable for SSE2.
818 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
820 * i386.md (movsfcc_1): Support integer cmove instruction.
821 (movdfcc_1): Likewise; new splitter.
823 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
825 * i386.c (output_fp_compare): Support SSE.
826 (prepare_fp_compare_args): SSE comparisons always support memory.
827 * i386.h (TARGET_CMOVE): SSE imply cmove.
828 * i386.md (cmp?f2): Enable for SSE too.
829 (cmpfp_i*): Support SSE.
831 (cmpfp_i_sse_only): New.
832 (s*, b* fp expanters): Enable for SSE too.
833 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
836 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
838 * regclass.c (init_reg_sets_1): Silence warning.
840 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
842 * i386.md (sqrt?f2): Change to expander.
843 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
845 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
847 * rtlanal.c (find_reg_equal_equiv_note): New function.
848 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
849 (simplify_gen_relational, simplify_replace_rtx): Likewise.
850 * rtl.h: Add declarations for above functions.
852 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
854 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
856 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
857 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
858 * flow.c (mark_regs_live_at_end): Likewise.
859 (calculate_global_regs_live): Likewise.
860 * gcse.c (compute_hash_table): Likewise.
861 (compute_kill_rd): Likewise.
862 * resource.c (mark_target_live_regs): Likewise.
863 * rtl.h (INVALID_REGNUM): New macro.
865 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
867 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
869 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
871 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
874 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
876 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
878 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
879 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
880 (fop_sf_1_sse, fop_df_1_sse): New patterns
881 (fop_*): Disable float_extend and float patterns for SSE compilation.
882 * i386.c (output_387_binary_op): Support SSE.
884 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
886 * i386.md (dummy_extendsfdf2): Support SSE2
887 (extendsfdf2): Enable if 80387 or SSE2.
888 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
890 (extendsfdf2_1_sse_only): New pattern.
891 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
893 (truncdfsf2_1): Support SSE.
894 (truncdfsf2_2): Support SSE.
895 (truncdfsf2_2_1_sse): New pattern.
896 (fixtruncsfsi2): Always use SSE if available.
897 (fix_truncsfsi_sse): New pattern.
898 (fix_truncdfsi_sse): New pattern.
899 (floatsis?f2): Support SSE.
900 (floatsidf2_i387): New pattern.
901 (floatsidf2_sse): Likewise.
903 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
905 * configure.in: Use "have_gnat" variable, not "gnat".
906 * configure: Regenerated.
908 * config/sparc/sparc.c (function_value): Treat all non-record
909 aggregate types like used to treat UNION_TYPE.
911 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
913 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
914 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
916 (MASK_MIX_SSE_I387): New.
917 (TARGET_SSE): SSE2 imply SSE.
918 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
919 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
920 (enum reg_class): Add new classes.
921 (REG_CLASS_NAMES): Likewise.
922 (REG_CLASS_CONTENTS): Likewise.
923 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
924 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
925 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
926 (CLASS_MAX_NREGS): Use new macros.
927 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
928 * i386.md (pushsf, movsf): Support SSE.
929 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
930 splitters to use ANY_FP_REGNO_P.
931 (movdf_nointeger, movdf_integer): Likewise.
933 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
935 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
936 (try_combine): Use it.
938 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
940 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
941 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
942 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
943 (REGISTER_MOVE_COST): Likewise.
944 * i386-protos.h (ix86_secondary_memory_needed,
945 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
946 * i386.c (ix86_secondary_memory_needed,
947 ix86_preferred_reload_class, ix86_register_move_cost): New function.
949 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
951 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
952 (HARD_REGNO_MODE_OK): Move offline to ....
953 * i386.c (ix86_hard_regno_mode_ok) ... here;
954 refuse all incorrect modes.
955 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
957 2001-02-13 Richard Henderson <rth@redhat.com>
959 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
960 entire operator; replicate that and match_dup the operands.
961 (cmp_ccx_arith_op_set): Likewise.
962 (cmp_cc_arith_op_not_set): Likewise.
963 (cmp_ccx_arith_op_not_set): Likewise.
965 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
967 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
969 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
971 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
972 (TARGET_NO_BITFIELD_WORD): New macro.
973 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
974 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
976 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
978 * cselib.c: New file, from simplify-rtx.c.
979 * simplify-rtx.c: Remove cselib parts.
980 * Makefile.in: Add cselib.o.
982 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
984 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
985 (setup_incoming_varargs): Remove warning.
987 * config/rs6000/rs6000.c (validate_condition_mode): When
988 flag_fast_math, allow floating-point conditionals to be reversed.
989 (rs6000_generate_compare): When flag_fast_math, don't generate
990 cror operations for FP conditionals.
992 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
994 (ASM_SPEC): Likewise.
995 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
996 (CC1_SPEC): Likewise.
997 (LINK_TARGET_SPEC): Likewise.
998 (CPP_ENDIAN_SPEC): Likewise.
999 * Makefile.in (check-consistency): New target.
1001 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1003 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1004 "return type defaults" warning for functions with return type
1006 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1007 function declarations by default rather than only when pedantic.
1009 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1011 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1014 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1016 * extend.texi (Deprecated): Deprecate new initializer lists.
1018 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1020 * mkdeps.c (deps_add_default_target): Robustify. Add
1021 basename component only.
1022 * cpp.texi (-M): Describe how default target is generated.
1023 * invoke.texi (-M): Likewise.
1025 2001-02-12 Kazu Hirata <kazu@hxi.com>
1027 * toplev.c (push_float_handler): Remove.
1028 (pop_float_handler): Remove.
1029 * toplev.h: Remove prototypes for the above functions.
1031 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1033 * c-common.c (constant_fits_type_p): New function.
1034 (convert_and_check): Use it.
1036 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1038 * Makefile.in (GXX_ABI_FLAG): Don't define.
1039 * configure.in (--enable-new-gxx-abi): Remove option.
1040 * config.in: Regenerated.
1041 * configure: Likewise.
1043 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1045 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1047 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1048 regular basic block, and arrange for all edges into it to switch
1051 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1053 * Makefile.in (distclean): Do not remove .gdbinit.
1055 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1057 * Makefile.in (gcc.o): Fix typos.
1058 (protize.o): Likewise.
1059 (unprotoize.o): Likewise.
1061 2001-02-11 Richard Henderson <rth@redhat.com>
1063 * tree.c (build1): Check for null operand in last change.
1065 2001-02-11 Richard Henderson <rth@redhat.com>
1067 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1068 (fold): Don't assume a constant isn't foldable.
1069 * tree.c (build): Set TREE_CONSTANT for an expression with no
1070 side-effects and constant operands.
1073 2001-02-10 Richard Henderson <rth@redhat.com>
1075 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1077 2001-02-10 Anthony Green <green@redhat.com>
1079 * cpp.texi (Standard Predefined): Add documentation for
1082 * c-common.c (combine_strings): Improve warning message.
1084 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1086 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1088 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1090 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1092 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1095 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1097 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1100 2001-02-09 Nick Clifton <nickc@redhat.com>
1102 * config/arm/arm.md: Change output contraint on post inc
1103 load/store multiple patterns to be a read/write contraint.
1105 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1107 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1108 .o files when using the -M options.
1110 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1111 David Edelsohn <edelsohn@gnu.org>
1113 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1114 handle DImode constants. Use one TOC entry for SImode and smaller
1115 constants, aligned properly.
1117 2001-02-08 Jason Merrill <jason@redhat.com>
1119 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1120 about the SP adjustment for saving the static chain pointer.
1121 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1122 offset when setting a temporary CFA register.
1124 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1126 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1127 powerpc-*-chorusos* .
1128 * config/rs6000/chorus.h : New file.
1129 * config/i386/chorus.h : New file.
1130 * config/sparc/chorus.h : New file.
1131 * config/sparc/t-chorus-elf : New file.
1133 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1135 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1136 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1137 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1138 (__WCHAR_TYPE__): Correct macro name.
1140 2001-02-08 Richard Henderson <rth@redhat.com>
1142 * config/i386/i386.c (ix86_frame_pointer_required): New.
1143 (ix86_setup_frame_addresses): New.
1144 (struct machine_funciton): Add accesses_prev_frame.
1145 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1146 ix86_frame_pointer_required.
1147 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1148 (SETUP_FRAME_ADDRESSES): New.
1149 * config/i386/i386-protos.h: Update.
1150 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1151 from FRAME_POINTER_REQUIRED.
1152 * config/i386/svr3gas.h: Likewise.
1153 * config/i386/sysv3.h: Likewise.
1154 * config/i386/v3gas.h: Likewise.
1156 2001-02-08 Richard Henderson <rth@redhat.com>
1158 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1159 calculation of the number of integer registers required.
1160 (function_arg_record_value): Likewise.
1162 2001-02-08 Jason Merrill <jason@redhat.com>
1164 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1165 two. Print file and line with "confused" message.
1167 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1169 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1171 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1173 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1175 * final.c (cleanup_subreg_operands): The address of a MEM can
1178 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1181 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1183 * gcc.texi (Incompatibilities): Update documentation of
1184 preprocessing numbers.
1186 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1188 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1190 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1192 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1194 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1195 * gcc.c (struct compiler): Add cpp_spec field.
1196 (input_file_compiler): New variable.
1197 (do_spec_1): Allow a particular compiler to handle `%C'
1199 (main): Store the current compiler in input_file_compiler.
1200 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1202 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1204 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1205 * cppinit.c (cpp_create_reader): Initialize them.
1206 (append_include_chain): cxx_aware arg might be unused.
1207 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1208 keywords and give them their phase 7 meaning. Pedwarn about
1209 this unless '__bool_true_false_are_defined' is defined.
1211 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1213 * lcm.c (optimize_mode_switching): Emit mode_set before the
1214 JUMP_INSN of an abnormal edge.
1216 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1218 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1219 a scheduling barrier at the end.
1221 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1223 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1225 * config/sh/sh.md (reload_outsf): Removed.
1226 (movsf_ie): Introduce constraints for FPUL loads and stores.
1227 (reload_insf): Broaden the output constraint.
1229 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1231 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1232 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1234 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1236 * final.c: Revert my previous changes.
1237 * output.h: Make profile_label_no extern.
1238 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1239 for generating label.
1241 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1243 * config/i386/djgpp.h: Add comments about standard paths.
1244 (MD_EXEC_PREFIX): Undefine before defining.
1245 (MD_STARTFILE_PREFIX): New.
1247 2001-01-30 Bruce Korb <bkorb@gnu.org>
1249 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1250 (load_file): do not rely on load_file_data() to close file pointer
1251 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1252 fixinc/inclhack.def(irix_limits_const): add test_text
1254 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1256 * cppexp.c (parse_defined): Improve diagnostics for invalid
1259 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1261 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1263 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1265 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1266 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1267 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1268 (rs6000_output_symbol_ref): New function.
1269 (output_toc): Use VTABLE_NAME_P.
1271 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1273 * print-tree.c (print_node, case PARM_DECL):
1274 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1276 * stor-layout.c (reference_types_internal): New variable.
1277 (internal_reference_types): New function.
1278 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1279 * tree.h (internal_reference_types): New declaration.
1281 * cse.c (find_best_addr): Fix typo in computing cost.
1283 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1285 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1286 and this is the sum of a pointer and a constant, we know the result
1288 (num_sign_bit_copies, case PLUS): Likewise.
1289 * explow.c (convert_memory_address): Remove opposite SUBREG.
1290 * function.c (instantiate_new_reg): New function (from common code).
1291 (instantiate_virtual_regs_1): Call it.
1292 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1293 if pointers sign- or zero-extend.
1294 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1295 If pointers extend unsigned, use inside of SUBREG.
1296 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1298 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1300 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1301 subdir of gcc_gxx_include_dir.
1302 (gcc_gxx_target_include_dir): Remove.
1304 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1306 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1307 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1308 a high-level description.
1310 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1312 * final.c: Move the declaration of profile_label_no to ...
1313 * output.h: ... here.
1314 * function.c (expand_function_start): Call PROFILE_HOOK.
1315 * config/rs6000/aix.h: Define PROFILE_HOOK.
1316 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1317 * config/rs6000/rs6000.c (output_profile_hook): Define.
1318 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1319 output_profile_hook.
1320 tm.texi : Explain new macro PROFILE_HOOK.
1322 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1324 * extend.texi (Extended Asm): Do not say that semicolon is always
1325 a valid line-breaking character for GNU assemblers. Use
1326 newline-tab as the most commonly supported syntax. Use
1327 newline-tab rather than semicolon in multi-insn examples.
1329 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1331 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1333 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1334 David Edelsohn <edelsohn@gnu.org>
1336 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1337 code for AIX, even without flag_pic.
1339 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1341 * c-typeck.c (common_type): push and pop binding level around
1342 calling common_type on function parameters.
1344 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1346 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1348 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1350 * config/mips/mips.c (override_options): Fix typo in last change.
1351 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1352 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1354 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1356 * invoke.texi (-fdump-class-layout): Document.
1357 (-fdump-translation-unit): Use `=' as filename separator.
1359 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1361 * Makefile.in (s-mlib): Don't build multilibs if
1363 (DRIVER_DEFINES): Adjust accordingly.
1365 (protoize.o): Likewise.
1366 (unprotoize.o): Likewise.
1367 * configure.in: Recognize --enable-multilib.
1369 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1371 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1373 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1374 * configure.in: Remove --enable-libstdcxx_v3 support.
1375 * configure: Regenerated.
1377 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1379 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1380 Call abort instead of fatal.
1381 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1382 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1383 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1384 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1385 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1386 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1388 * diagnostic.h (set_internal_error_function): Renamed.
1389 * toplev.h (internal_error): Renamed from fatal.
1390 (pfatal_with_name): Deleted.
1391 (fatal_io_error): Now has printf-style arguments.
1392 * diagnostic.c (pfatal_with_name): Deleted.
1393 (fatal_io_error): Rework to have args in printf-style.
1394 (set_internal_error_function): Renamed from set_fatal_function.
1395 (internal_error): Renamed from fatal.
1396 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1397 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1398 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1399 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1400 * flow.c (verify_flow_info): Likewise.
1401 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1402 * config/mips/mips.c (save_restore_insns): Likewise.
1404 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1405 * flow.c (verify_flow_info): Likewise.
1406 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1407 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1408 (avr_normalize_condition): Likewise.
1409 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1410 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1411 (limit_reload_class, double_reg_to_memory): Likewise.
1412 (print_operand_address, emit_1600_code_shift): Likewise.
1413 (gen_tst_reg, gen_compare_reg): Likewise.
1414 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1415 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1417 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1419 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1420 * objc/objc-act.c (build_ivar_chain): Likewise.
1421 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1423 * graph.c (clean_graph_dump_file): Likewise.
1424 * profile.c (init_branch_prob): Likewise.
1425 * objc/objc-act.c (objc_init): Likewise.
1427 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1428 * config/avr/avr.c (avr_override_options): Likewise.
1429 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1430 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1431 * config/h8300/h8300.c (h8300_init_once): Likewise.
1432 * config/mips/mips.c (override_options): Likewise.
1433 * config/i386/i386.c (override_options): Likewise, rework.
1434 * config/m68k/m68k.c (override_options): Likewise.
1436 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1438 * config/mips/mips.c (print_operand): Likewise.
1439 * hash.c (hash_allocate): Don't check for failure returns from
1440 obstack functions that can't fail.
1441 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1442 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1443 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1444 (get_object_reference): Likewise.
1446 2001-02-04 Nick Clifton <nickc@redhat.com>
1448 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1449 StrongARM1110, 10TDMI, and 1020T.
1451 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1453 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1455 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1457 * config/sh/sh.md (movdf load split): Pass register number to
1458 FP_OR_XD_REGISTER_P.
1460 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1462 * cppinit.c (BC): New macro.
1463 (builtin_array): Add __GXX_WEAK__.
1464 * cpplib.h (builtin_type): Add BT_WEAK.
1465 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1466 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1467 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1469 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1471 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1473 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1475 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1476 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1478 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1480 * cpphash.h: Rename ALIGN _ALIGN.
1481 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1483 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1485 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1486 compilation environment.
1487 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1488 control over location of cygwin includes and libs.
1490 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1492 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1494 2001-02-02 lars brinkhoff <lars@nocrew.org>
1496 * md.texi (Standard Names): remove reference to spur.md.
1498 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1500 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1501 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1502 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1503 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1504 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1506 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1508 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1509 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1510 number before reload.
1511 (c4x_adjust_cost): Return zero before reload.
1512 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1513 split before reload.
1515 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1517 * c4x.c (c4x_hard_regno_rename_ok): New.
1518 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1519 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1521 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1523 * diagnostic.h: Add missing "extern" in all declarations.
1525 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1527 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1528 as for gcc_gxx_include_dir.
1530 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1532 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1534 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1536 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1537 label before alignment to be used as the braf base address.
1538 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1540 (casesi_jump_2): Require at least TARGET_SH2.
1542 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1543 truncation to 32-bit doubles on -m3e and -m4-single-only.
1545 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1547 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1548 the default when building a shared object.
1549 (init_spec): Use it.
1550 * testsuite/lib/g++.exp: Include the directory where libgcc
1551 is located to the LD_LIBRARY_PATH list.
1552 * invoke.texi (-shared-libgcc): Document the cases in which
1553 GCC defaults to using the shared libgcc.
1555 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1557 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1558 unsigned is wide enough.
1560 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1561 (si_to_float): Likewise.
1562 (float_to_si, float_to_usi): Use BITS_PER_SI.
1564 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1566 * dwarf2out.c: Added explanation of abbreviations.
1567 (def_cfa_1): Added comments listing DWARF2 instructions.
1568 (cfa_temp_reg): Removed in favor of cfa_temp.
1569 (cfa_temp_value): Removed in favor of cfa_temp.
1570 (cfa_temp): New global variable.
1571 (dwarf2out_frame_debug_expr): Added extensive introductory
1572 comments explaining the function's transformations. Revised to
1573 use cfa_temp. Added some rtx checking. Generalize IOR case.
1574 (dwarf2out_frame_debug): Revised to use cfa_temp.
1575 (output_aranges): Cast as "unsigned" to avoid warning.
1576 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1577 explain which instructions must be marked.
1579 2001-02-01 Richard Henderson <rth@redhat.com>
1581 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1584 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1586 * config/sh/crt1.asm (main_k): Modified so that start calls
1587 ___setup_argv_and_call_main.
1589 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1591 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1592 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1593 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1594 * cppmacro.c (builtin_macro): Set builtin flags here.
1595 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1596 (replace_args): Clarify intent.
1597 (cpp_get_token): Macro expansion tokens get the saved flags.
1599 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1602 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1604 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1607 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1609 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1610 returns Pmode pseudo, but we need ptr_mode.
1611 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1612 Remove bogus conversions; use HOST_WIDE_INT for size.
1613 Don't use TARGET if wrong mode.
1615 * config/i386/i386.c (ix86_compute_frame_size): Allow
1616 stack_alignment_needed to be non-default even if size is zero.
1618 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1620 * (hppa_init_pic_save): Emit the pic offset table
1621 reg save after last_parm_insn.
1622 * pa.c (hppa_init_pic_save): New function.
1623 * pa.h (hppa_init_pic_save): Declare.
1624 * pa.md (call, call_value, sibcall, sibcall_value): Use
1625 the above instead of duplicated code.
1627 * pa.c (hppa_encode_label): Correct size of alloca buffer
1628 so we don't overrun it. Correct leading `*' case.
1629 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1630 need to handle `*@'.
1631 (FUNCTION_NAME_P): Likewise.
1633 2001-01-31 Richard Henderson <rth@redhat.com>
1635 * config.gcc (alpha-osf5): Use float-i128.h.
1637 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1638 * config/float-i32.h: Likewise.
1639 * config/float-i64.h: Likewise.
1640 * config/float-sh.h: Likewise.
1641 * config/float-sparc.h: Likewise.
1643 2001-01-31 DJ Delorie <dj@redhat.com>
1645 * expmed.c (extract_bit_field): allow non-integral modes if we
1646 want to extract a whole register from itself.
1648 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1650 * c-typeck.c (set_init_index): If first is equal to last, assume as
1651 if it was not a range at all.
1653 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1655 * config/fp-bit.c: Include tm.h.
1656 (float_to_si): Don't assume SImode is 32-bits wide.
1657 (float_to_usi): Likewise.
1659 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1661 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1663 (typename): Call pending_xref_error after parsing typed_typespecs.
1664 * c-decl.c (lookup_tag): Give error immediately rather than
1665 leaving it pending if the tag of the wrong type is in the same
1667 (xref_tag): Don't pedwarn for forward declarations of enum types
1669 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1672 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1674 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1676 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1678 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1679 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1681 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1683 * cpphash.h (struct cpp_reader): New saved_flags.
1684 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1685 to avoid a paste after a pasted token.
1687 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1689 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1690 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1691 Wtype_MIN instead of LONG_MIN.
1693 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1695 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1697 * fixinc/fixincl.x: Regenerated.
1698 * fixinc/inclhack.def (irix_limits_const): New definition to
1699 convert "const" to "__const" in limits.h.
1701 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1703 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1705 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1707 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1708 when register dies in the insn.
1710 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1712 * diagnostic.c (fatal): Fix word wrap.
1714 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1716 * combine.c (try_combine): Fix SUBREG setting for
1717 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1719 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1721 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1724 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1726 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1728 * toplev.c (decode_W_option): Update warn_larger_than
1729 unconditionally for each processed switch.
1731 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1733 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1735 (hppa_expand_prologue): Delete code to save pic offset table register
1736 in the function prologue.
1737 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1738 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1739 table register at the beginning of the function after the prologue.
1741 2001-01-29 lars brinkhoff <lars@nocrew.org>
1743 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1745 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1746 Jeff Law <law@redhat.com>
1748 * pa.md (return): Revise comment for trivial return.
1749 (return_internal): Non-trivial return pattern for non-PIC code.
1750 (return_internal_pic): Non-trivial return pattern for PIC code.
1751 It uses the PIC register to ensure it is restored after
1753 (epilogue): Generate appropriate return for PIC and non-PIC code.
1755 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1757 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1759 2001-01-29 DJ Delorie <dj@redhat.com>
1761 * combine.c (if_then_else_cond): Pass the correct mode to
1762 operand_subword() for constants.
1764 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1766 * config/i386/cygwin.h: Add w32api to include search. Search different
1767 directories in a cross-build environment.
1769 2001-11-29 Tim Josling <tej@melbpc.org.au>
1771 * tree.h (TYPE_STUB_DECL): Add documentation.
1773 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1775 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1776 (sdbout_field_types): Likwise. Fix use of host_integerp.
1778 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1780 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1783 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1785 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1786 to use flag_gnu_linker.
1788 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1790 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1791 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1793 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1795 * tree.c, tree.h (build_parse_node): Remove; was identical to
1797 * c-lang.c (start_cdtor), objc/objc-act.c
1798 (build_module_descriptor): Use build_nt instead of
1801 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1803 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1804 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1805 not have any upper bits set.
1807 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1809 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1811 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1813 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1815 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1817 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1818 (integer_minus_one_node): Define.
1820 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1822 * Makefile.in (bootstrap2-lean): Fix typo.
1824 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1826 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1827 : Don't set fe_value.
1828 * cpplib.h (AVOID_LPASTE): New flag.
1829 (struct cpp_hashnode): Remove fe_value.
1830 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1831 * cppmacro.c (builtin_macro): Don't set flags here.
1832 (replace_args): Set AVOID_LPASTE flag on first token of an
1833 argument, and the token following it.
1834 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1835 macro expansion, and on the token following it. Do it for
1837 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1839 2001-01-27 Richard Henderson <rth@redhat.com>
1841 * config/alpha/t-ieee: Remove multilibbing.
1842 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1844 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1846 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1848 * Makefile.in: Remove all dependencies on defaults.h.
1849 * builtins.c: Don't include defaults.h.
1850 * c-common.c: Likewise.
1851 * c-decl.c: Likewise.
1852 * c-pragma.c: Likewise.
1853 * c-typeck.c: Likewise.
1854 * combine.c: Likewise.
1856 * frame-ia64.c: Likewise.
1857 * cppexp.c: Likewise.
1858 * crtstuff.c: Likewise.
1859 * dbxout.c: Likewise.
1860 * dwarf2out.c: Likewise.
1861 * dwarfout.c: Likewise.
1862 * emit-rtl.c: Likewise.
1863 * except.c: Likewise.
1865 * final.c: Likewise.
1866 * frame-dwarf2.c: Likewise.
1867 * libgcc2.c: Likewise.
1868 * optabs.c: Likewise.
1869 * profile.c: Likewise.
1870 * sdbout.c: Likewise.
1871 * toplev.c: Likewise.
1872 * tradcif.y: Likewise.
1874 * varasm.c: Likewise.
1876 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1878 * builtins.c (expand_builtin_fputs): Use size_one_node when
1879 transforming into fwrite.
1881 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1883 * extend.texi (Attribute Syntax): New section.
1885 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1887 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1888 they didn't need fixing.
1890 2001-01-27 Janis Johnson <janis@us.ibm.com>
1892 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1894 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1895 to remove macro definitions that are duplicated from elfos.h.
1897 2001-01-27 Richard Henderson <rth@redhat.com>
1899 * config/i386/sco5gas.h: Move ...
1900 * config/usegas.h: ... here.
1901 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1903 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1905 * c-typeck.c (struct constructor_stack): Add range_stack member.
1906 (really_start_incremental_init): Clear it.
1907 (push_init_level): Save constructor_range_stack and clear it if
1908 pushing explicit braces.
1909 (pop_init_level): abort if constructor_range_stack is non-zero at
1910 explicit closing brace. Restore saved constructor_range_stack if
1913 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1915 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1916 into register was forced into memory.
1918 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1920 * Makefile.in: Remove uses of + before $(MAKE).
1922 2001-01-26 Richard Henderson <rth@redhat.com>
1924 * stmt.c (cost_table): Remove.
1925 (COST_TABLE, cost_table_initialized): New.
1926 (estimate_case_costs): Use the later instead of the former.
1927 (balance_case_nodes): Likewise.
1929 2001-01-26 Richard Henderson <rth@redhat.com>
1931 * alias.c (objects_must_conflict_p): Read-only slots may not
1932 conflict despite having the same type.
1934 2001-01-27 Michael Hayes <mhayes@redhat.com>
1936 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1938 (check_ext_dependant_givs): Initialise u_start_val and
1940 (load_mems): Make last_max_reg unsigned.
1941 (try_swap_copy_prop): Use INSN_P and initialise set.
1943 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1945 * README.AVR : Removed.
1947 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1949 * pa-64.h (text_section): Remove declaration.
1951 * pa.md (return_internal): Remove mode on PIC register use.
1953 2001-01-25 lars brinkhoff <lars@nocrew.org>
1955 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1956 ASM_CLOSE_PAREN): fix typos.
1958 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1960 * acconfig.h: Define `const' to the empty string if neither
1961 __STDC__ nor __cplusplus is defined.
1962 * config.in: Regenerated.
1964 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1966 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1967 * collect2.c (main): Delete importf. Add ".obj" file extension.
1968 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1969 (aix_std_libs): Add additional AIX libraries to skip.
1970 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1971 * config/rs6000/aix51.h: New file.
1973 2001-01-25 Michael Hayes <mhayes@redhat.com>
1975 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1976 (loop_insn_emit_before): No longer static.
1977 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1978 (loop_givs_rescan, load_mems): Likewise.
1979 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1980 (maybe_eliminate_biv_1):
1981 (move_movables): Replace emit_call_insn_before with
1982 loop_call_insn_hoist.
1983 * loop.h (loop_insn_emit_before): Add.
1984 * unroll.c (copy_loop_body): Replace emit_insn_before with
1985 loop_insn_emit_before.
1987 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1989 * diagnostic.c (fatal): Request preprocessed source.
1991 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1993 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1994 olddecl has argument types and newdecl has none, use the argument
1997 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1999 * dwarf2out.c (prefix_of): New function. Determine longest common
2000 prefix of the two arguments. The units are whole path components.
2001 (output_file_names): When adding a new directory find the one entry
2002 with the longest common prefix already in the list. Artificially
2003 generate entry if there is none for this prefix.
2004 Fix test to check whether the zeroth directory entry is used.
2006 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2008 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2009 Changed all callers. Take it into account when deciding if a
2010 previously loaded value matches.
2012 2001-01-24 Richard Henderson <rth@redhat.com>
2014 * reload.c (find_reloads_subreg_address): Fail the substitution
2015 if the resulting address is insufficiently aligned.
2017 2001-01-24 DJ Delorie <dj@redhat.com>
2019 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2020 check the original operand's mode also.
2021 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2023 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2025 * c-parse.in (cast_expr): Move compound literals from here ...
2026 (primary): ... to here. Use standard terminology "compound
2027 literal" instead of "constructor expression".
2029 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2031 * gcc.1, cpp.1: Regenerate.
2033 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2035 * calls.c (emit_library_call_value_1): Memory slot for
2036 pass-by-reference argument should have the mode of the argument,
2037 not of the pointer to it.
2039 2001-01-24 Tom Tromey <tromey@redhat.com>
2041 * gcc.texi (G++ and GCC): Mention gcj manual.
2042 (Standards): Link to section of manual mentioning gcj/Java
2045 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2047 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2048 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2049 * tradcpp.c (main): Add -imacros or -include'd dependencies
2051 * cpp.texi (-M, -MM): Document -M -include behaviour.
2053 2001-01-24 Roger Collins <roger@ProProject.com>
2055 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2057 2001-01-24 Will Cohen <wcohen@redhat.com>
2059 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2060 whether registers are 32 bits or 64 bits in size.
2062 2001-01-24 Ben Elliston <bje@redhat.com>
2064 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2066 2001-01-24 Richard Henderson <rth@redhat.com>
2068 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2069 (builtin_longjmp): Use it instead of emit_indirect_jump.
2071 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2073 * bb-reorder.c (make_reorder_chain_1): Handle case where
2074 jump edge goes to the same block as the fallthru edge.
2076 2001-01-23 Jim Wilson <wilson@redhat.com>
2078 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2079 * frame.h (__ia64_personality_v1): Add prototype.
2080 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2081 prototype form. Add void * cast to first argument to personality
2083 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2084 (asctoe113): Likewise.
2085 * config/ia64/frame-ia64.c: Include eh-common.h.
2086 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2088 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2090 (itanium_split_issue): Add prototype.
2091 (gen_nop_type): Ifdef out.
2092 (find_best_packet): Initialize best_packet.
2093 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2095 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2096 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2097 (flushrs): Add explicit stop bit at end.
2098 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2101 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2103 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2105 * libgcc2.c (__terminate_func): Make variable static.
2106 (__terminate_set_func): New function to set __terminate_func.
2107 * libgcc2.h (__terminate_func_ptr): New typedef.
2108 (__terminate_set_func): New function.
2110 2001-01-23 Richard Henderson <rth@redhat.com>
2112 * flow.c (init_propagate_block_info): Don't consider unchanging
2113 memories for dead frame store elimination.
2115 2001-01-23 Richard Henderson <rth@redhat.com>
2117 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2118 * defaults.h: ... here.
2120 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2122 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2124 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2126 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2128 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2130 * rs6000.h (rs6000_return_addr): Move prototype from here...
2131 * rs6000-protos.h (rs6000_return_addr): ...to here.
2132 (rs6000_init_expanders): Delete prototype.
2134 2001-01-23 Nick Clifton <nickc@redhat.com>
2136 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2137 (Spec Files): Document %B and %j and %. and %v3 and %M and
2138 %{S*&T} spec switches.
2140 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2142 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2144 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2145 Neil Booth <neil@daikokuya.demon.co.uk>
2147 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2148 Have -Werror make pedantic warnings errors, like the
2151 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2153 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2155 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2157 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2158 * integrate.c (expand_inline_function): Initialize them.
2159 (subst_constants): If changing COMPARE so that both its arguments
2160 will be VOIDmode and the comparison mode will be lost, note
2161 compare_mode. Use the recorded compare_mode to optimize
2164 2001-01-23 Jason Merrill <jason@redhat.com>
2166 * dwarf2out.c (new_die): Use xcalloc.
2167 (output_die): Abort rather than emit a local reference to offset 0.
2169 2001-01-17 Andrew Haley <aph@redhat.com>
2171 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2172 of a saved register; return NULL instead.
2173 (copy_reg): Take a pointer to a source register rather than a
2175 (next_stack_level): Remember the address in the stack frame of all
2177 Use the saved register pointer array as the source of the CFA.
2178 (throw_helper): Rewrite. Unwind once rather than twice and keep
2179 track of saved registers as we go.
2181 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2183 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2184 * c4x.c (c4x_legitimize_reload_address): Remove.
2185 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2186 reload address for ldp(k) insn.
2188 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2190 * pa.md (return_internal): Add a USE of the PIC register to ensure
2191 it is restored after each call.
2192 (return expander): Corresponding changes.
2194 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2196 * rs6000.h (INIT_EXPANDERS): Delete.
2197 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2198 * rs6000.c (rs6000_override_options): Call *_machine_status from
2200 (rs6000_init_expanders): ...instead of here. Delete.
2201 (rs6000_mark_machine_status): New function.
2202 (rs6000_init_machine_status): Use xcalloc.
2203 (rs6000_return_addr): Generate RTX for the return address.
2204 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2205 (rs6000_stack_info): Use it.
2207 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2209 * gthr-win32.h: Include errno.h to get a declaration for
2210 EINVAL and _mingw.h if the target is mingw32.
2212 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2214 * cpp.texi: Correct typos.
2216 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2218 * explow.c (probe_stack_range): Ensure value passed to
2219 stack_check_libfunc is ptr_mode, not Pmode.
2221 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2223 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2224 case, don't use operand_subword to calculate a SUBREG that is
2227 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2229 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2231 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2232 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2233 valid. If not replace it by equivalent insns.
2235 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2237 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2238 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2239 (c4x_U_constraint, symbolic_address_operand): Likewise.
2240 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2242 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2243 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2244 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2245 anulling slot because of silicon bug.
2246 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2248 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2250 * cppexp.c (parse_charconst): Change `mask' type to agree
2253 2001-01-21 Richard Henderson <rth@redhat.com>
2255 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2256 pic_label_name in a linkonce section.
2258 2001-01-17 Philipp Thomas <pthomas@suse.de>
2260 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2262 * configure: Regenerate.
2264 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2266 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2267 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2269 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2271 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2272 If REVERSE nonzero then condition code in X must be reversed.
2273 (encode_section_info): Optimise if/else.
2274 (avr_function_value): Fix formatting.
2276 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2277 (difficult_branch): Likewise.
2278 (rvbranch): Likewise.
2279 (difficult_rvbranch): Likewise.
2281 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2283 * config/avr/libgcc.S: Fix comment.
2285 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2287 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2289 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2291 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2293 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2295 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2296 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2297 * configure, config.in: Regenerate.
2298 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2299 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2300 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2301 (doprint.o): New rule.
2303 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2305 * c-typeck.c (digest_init): Handle boolean types as scalars.
2307 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2309 * stmt.c (expand_return): Don't return anything if size is zero.
2310 Delete redundant assignment to BYTES.
2311 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2313 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2315 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2316 the same as the default library function names.
2317 * config/avr/avr.md: Document special characters after '%'.
2318 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2319 knowing which of the call-used registers are really clobbered.
2320 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2321 New. Both quotient and remainder from one libgcc.S call.
2322 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2323 clobber as few registers as possible.
2324 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2326 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2328 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2329 context of the top of the stack.
2331 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2333 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2334 (fixup_var_refs_insns): ...here.
2336 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2338 * function.c (fixup_var_refs_insns): Break up into
2339 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2340 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2341 [loop over hash table entries].
2342 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2343 fixup_var_refs_insns_with_hash, to match above changes.
2345 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2347 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2348 (libgcc.a): Likewise.
2349 (stmp-multilib): Likewise.
2350 (STAGE2_FLAGS_TO_PASS): Likewise.
2352 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2354 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2355 temporary if no_new_pseudos.
2357 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2359 * cppinternals.texi: Update.
2361 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2363 * arm.c (arm_init_builtins): Re-enable builtins.
2365 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2367 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2368 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2369 element to be null, and always expect an EXPR_LIST.
2370 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2371 * sched-deps.c (sched_analyze_1): Likewise.
2372 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2374 * regclass.c (max_set_parallel): New variable.
2375 (reg_scan): Take it into account in computation of max_parallel.
2376 (reg_scan_mark_refs, case SET): Compute it.
2378 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2380 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2381 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2383 2001-01-19 Jason Merrill <jason@redhat.com>
2385 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2386 for the abstract instance of an inline function.
2388 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2389 J"orn Rennecke <amylaar@redhat.com>
2391 * reload1.c (move2add_note_store): Treat all registers directly or
2392 indirectly derived from a base register as members of the same set
2394 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2395 of base register into account.
2397 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2399 * alias.c (find_base_value): Recognize TRUNCATE.
2400 (record_set): In PLUS case, invalidate if other summand is also a
2403 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2405 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2406 entry to be EXPR_LIST.
2407 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2408 be an EXPR_LIST (but not null, which other code doesn't allow).
2409 (note_stores): Properly handle PARALLEL in SET.
2410 Recursively call for top-level PARALLEL.
2411 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2412 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2414 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2416 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2418 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2419 not pfile->skipping (== 0).
2421 2001-01-17 Nick Clifton <nickc@redhat.com>
2423 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2426 2001-01-17 Jim Wilson <wilson@redhat.com>
2428 * invoke.texi (IA-64 options): Improve.
2430 2001-01-17 Tom Tromey <tromey@redhat.com>
2432 * invoke.texi (Optimize Options): Use `{}' to around @samp
2435 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2437 * invoke.texi (-fno-guess-branch-probability): New option.
2439 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2441 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2442 case of making new double-word constant.
2443 Revert last change: instead just test i3_subst_into_i2.
2445 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2447 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2448 Use q constraints instead of r.
2450 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2452 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2453 (machine_function): Define.
2454 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2455 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2456 pa_free_machine_status): New functions.
2457 (override_options): Set {init,mark,free}_machine_status to above.
2458 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2459 PIC_OFFSET_TABLE_REGNUM_SAVED.
2460 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2461 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2462 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2463 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2464 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2466 2001-01-15 DJ Delorie <dj@redhat.com>
2468 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2472 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2474 * flow.c (propagate_on_insn): Make trying to delete a prologue
2475 or epilogue insn an ICE, not a warning. Allow doing this if
2476 the current function returns with stack pointer depressed.
2478 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2479 I3 having more than one SET.
2481 2001-01-16 Jim Wilson <wilson@redhat.com>
2483 * invoke.texi: Document IA-64 options.
2485 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2486 (fixup_errata): Delete TARGET_A_STEP use.
2487 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2488 (TARGET_SWITCHES): Delete -ma-step option.
2489 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2490 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2491 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2492 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2493 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2494 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2496 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2497 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2498 cmovsi_internal): Delete ! TARGET_A_STEP check.
2500 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2502 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2503 possibility to report bugs via postal mail. Change a URL and
2504 merge in a nearly duplicate statement...
2505 (Bug Reporting): ...from here.
2506 (Service): Refer to the Bug Reporting section instead of
2508 (Contributing): Remove trivial explanations concerning snapshots.
2510 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2512 * cppmain.c (general_init): Don't use ANSI prototype.
2514 2001-01-16 Tom Tromey <tromey@redhat.com>
2516 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2518 2001-01-16 Richard Henderson <rth@redhat.com>
2520 * config/i386/i386.h: Fix comment typo.
2521 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2522 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2524 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2526 * gcc.c: Revert previous -fsyntax-only-related change; move
2529 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2531 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2532 inmode after checking GET_CODE (op).
2534 2001-01-16 Richard Henderson <rth@redhat.com>
2536 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2537 (MAX_MEM_SET_LIST_LEN): New.
2538 (propagate_one_insn): Update mem_set_list_len.
2539 (invalidate_mems_from_autoinc): Likewise.
2540 (invalidate_mems_from_set): Likewise.
2541 (mark_used_regs): Likewise.
2542 (init_propagate_block_info): Likewise. Stop collecting memories
2543 when we reach MAX_MEM_SET_LIST_LEN.
2544 (mark_set_1): Likewise.
2546 2001-01-16 Richard Henderson <rth@redhat.com>
2548 * unroll.c (precondition_loop_p): Fail if no iteration
2551 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2553 * gcc.c: When -fsyntax-only is given, do not complain about
2556 2001-01-15 Richard Henderson <rth@redhat.com>
2558 * config/i386/i386.c (asm_output_function_prefix): Remove.
2559 (ix86_asm_file_end): New.
2560 (load_pic_register): Generate pic_label_name into a
2561 staticly allocated buffer.
2562 * config/i386/i386-protos.h: Update.
2563 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2564 (ASM_FILE_END): New.
2565 * config/i386/i386afe.h: New file.
2566 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2567 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2568 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2569 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2570 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2571 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2572 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2574 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2576 * Makefile.in (install-man): Remove explicit dependency on
2579 * configure.in, configure: Revert previous patch requiring perl
2582 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2584 * toplev.c (flag_guess_branch_prob): New.
2585 (f_options): Add guess-branch-probability option.
2586 (rest_of_decl_compilation): Only estimate branch probability if
2588 (main): set flag_guess_branch_prob.
2590 * flags.h (flag_guess_branch_prob): New.
2592 2001-01-15 DJ Delorie <dj@redhat.com>
2594 * gcc.texi (Makefile): Add documentation for Makefile targets.
2596 2001-01-15 Philip Blundell <philb@gnu.org>
2598 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2600 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2601 (is_pic): Delete declaration.
2602 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2603 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2604 * config/arm/arm.md (builtin_setjmp_receiver): New.
2606 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2608 * arm.c (use_return_insn): Don't try to determine the function type
2609 until after reload has completed.
2610 (arm_output_epilogue): Don't adjust the sp value recovered from the
2612 (emit_multi_reg_push): Don't record dwarf information for the pc.
2613 * arm.md (eh_epilogue): The function type may have changed, so it
2614 needs to be recalculated.
2615 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2616 unwind tables on arm/netbsd.
2618 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2620 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2621 (negated_cbranchsi4): Likewise.
2623 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2625 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2626 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2627 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2628 pass -mapcs-* options to assembler.
2629 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2630 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2631 (ASM_SPEC): Call subtarget_extra_asm_spec.
2633 2001-01-15 Andreas Jaeger <aj@suse.de>
2635 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2637 (ix86_expand_builtin): Likewise.
2639 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2640 warning about comparison between signed and unsigned.
2642 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2644 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2646 2001-01-14 Ralf Baechle <ralf@gnu.org>
2648 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2649 SUBTARGET_CPP_SPEC apropriatly.
2651 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2653 * varasm.c (make_decl_rtl): Fix typo in last change.
2655 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2657 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2658 linker supports the init_priority C++ attribute.
2659 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2660 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2661 linker does not support init_priority C++ attribute.
2663 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2665 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2667 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2669 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2670 * cp/lex.c (finish_parse): Similarly.
2671 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2672 Return the number of errors encountered.
2673 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2674 * cppmain.c (main): Don't call cpp_destroy.
2676 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2678 * configure.in: Require at least perl 5.6.0 to regenerate
2680 * configure: Regenerate.
2682 2001-01-14 Richard Henderson <rth@redhat.com>
2684 * genrecog.c (DT_veclen_ge): New.
2685 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2686 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2687 (nodes_identical_1): Handle DT_veclen_ge.
2688 (write_cond, debug_decision_2): Likewise.
2690 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2692 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2694 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2696 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2698 * cppmain.c (do_preprocessing): New function; most of the old
2700 (main): Call it to do most of the work.
2701 (cb): Move from global scope to set_callbacks ().
2702 (setup_callbacks): Get the callback pointer.
2703 (general_init, printer_init): Clean up code and comments.
2705 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2707 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2710 2001-01-14 Kazu Hirata <kazu@hxi.com>
2712 * config/h8300/h8300.c (get_shift_alg): Update comments.
2714 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2716 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2717 (alloc_page, ggc_alloc): Add casts to remove warnings.
2719 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2721 * combine.c (simplify_comparison): Don't change `code' when
2722 can't reverse comparison.
2724 2001-01-14 Richard Henderson <rth@redhat.com>
2726 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2727 update all call sites. Return true for all non-label constants.
2729 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2731 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2733 (ix86_expand_branch): Update.
2734 (ix86_expand_setcc): Update to handle multiple test conditions.
2735 (expand_int_movcc): Likewise.
2736 (expand_fp_movcc): Likewise.
2737 * i386-protos.h (ix86_expand_compare): New.
2738 * i386.md (andqi_?_slp, orqi_?_slp): New.
2739 (conditional trap expander): Update call to ix86_expand_compare.
2741 2001-01-14 Richard Henderson <rth@redhat.com>
2743 * config/vax/vax.md: Use nonimmediate_operand instead of
2744 general_operand in destinations.
2746 * config/vax/vax.md (indirect_jump): Use register_operand.
2748 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2749 * config/vax/vax.md (call_pop): Turn into an expander.
2750 (call_value_pop): Likewise.
2751 (call, call_value): New.
2753 2001-01-14 Andreas Jaeger <aj@suse.de>
2755 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2757 (ix86_fp_compare_mode): Add unused attribute.
2758 (ix86_expand_fp_movcc): Remove unused variable.
2759 (ix86_expand_builtin): Make fcode unsigned.
2761 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2762 (expand_expr): Add cast to avoid signed warning.
2763 (store_field): Likewise.
2764 (store_constructor_field): Likewise.
2765 (store_constructor): Likewise.
2766 (store_expr): Likewise.
2767 (clear_storage): Likewise.
2768 (emit_group_store): Likewise.
2769 (emit_group_load): Likewise.
2771 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2773 * c-common.c: Move format checking code to ...
2774 * c-format.c: ... here. New file. Reorder some functions and
2776 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2778 * c-common.h (decl_handle_format_attribute,
2779 decl_handle_format_arg_attribute): Declare.
2780 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2781 (c-common.o): Adjust dependencies.
2782 (c-format.o): New list of dependencies.
2784 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2786 * unroll.c (loop_iterations): If we cannot prove iteration variable
2787 is set once in each iteration, punt.
2789 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2791 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2792 (*strlenhi): Remove clobber (which was buggy) of output address.
2794 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2796 * Makefile.in (generated-manpages): Add gcc.1
2797 ($(srcdir)/gcc.1): New target.
2798 (maintainer-clean): Delete $(srcdir)/gcc.1.
2799 * gcc.texi: Add macros @gccoptlist and @gol.
2800 * invoke.texi: Include option summary in manpage. Mark up option
2801 summary with @gccoptlist and @gol. Use @r in one place where
2803 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2804 * gcc.1: Generate from invoke.texi.
2806 2001-01-13 Richard Henderson <rth@redhat.com>
2808 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2809 (struct page_entry): Add group member.
2810 (struct page_group): New.
2811 (struct globals): Add page_groups member.
2812 (alloc_anon): Only define for using mmap; remove valloc call.
2813 (page_group_index): New.
2814 (set_page_group_in_use): New.
2815 (clear_page_group_in_use): New.
2816 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2817 (free_page, release_pages): Likewise.
2818 * configure.in (with-gc): Default to ggc-page always.
2820 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2822 * reload1.c (replace_pseudos_in_call_usage): Use
2823 reg_equiv_constant and reg_equiv_address, and don't try
2824 regno_reg_rtx first.
2826 2001-01-13 Richard Henderson <rth@redhat.com>
2828 * ggc-page.c (alloc_page): Round up allocation size to one page.
2829 Set e->order on extra pages.
2831 2001-01-13 Richard Henderson <rth@redhat.com>
2833 * genrecog.c (nodes_identical): Expand commentary.
2834 (write_switch): Watch out for identical nodes.
2836 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2838 * cppfiles.c (_cpp_fake_include): New function.
2839 * cpphash.h (_cpp_fake_include): New.
2840 * cpplib.c (do_line): Call _cpp_fake_include when entering
2841 header files in preprocessed input.
2842 * cppmain.c (cb_pragma_implementation): Remove handling.
2843 (setup_callbacks): Don't register pragmas.
2845 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2847 * extend.texi: Udate for CPP.
2849 2001-01-13 Andreas Jaeger <aj@suse.de>
2851 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2853 * regmove.c: Add prototype for replace_in_call_usage.
2855 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2857 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2858 struct cpp_chunk, struct htab, struct toklist,
2859 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2860 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2861 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2862 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2863 (struct macro_args): Delete.
2864 * cpphash.h: See above.
2866 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2868 * cppmain.c (struct printer): Remove no_line_dirs.
2870 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2871 : Use options rather than CPP_OPTION.
2872 (setup_callbacks): Use cb rather than pfile->cb.
2873 (main): No need to check for a buffer. Use cpp_errors.
2874 (printer_init): Don't set no_line_dirs.
2875 (maybe_print_line): Use options not no_line_dirs.
2876 (cb_file_change): Don't call print_line if -P.
2878 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2880 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2882 * c-parse.in (finish_parse): Use cpp_errors.
2883 (__yylex): Use return value of cpp_pop_buffer.
2884 * cp/lex.c (finish_parse): Use cpp_errors.
2885 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2887 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2889 * README.AVR: URLs corrected.
2891 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2893 * c-decl.c (start_function): Don't warn if old prototype is builtin
2894 that's not in C's namespace.
2895 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2896 (_bb): Add prototype for ctime.
2897 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2899 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2901 * i386.c (ix86_fp_comparison_arithmetics_cost,
2902 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2903 ix86_fp_comparison_cost): New functions.
2904 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2905 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2906 two-branch sequences; make static.
2907 (ix86_use_fcomi_compare): Do decision according to the costs.
2908 (split_fp_branch): New.
2909 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2910 * i386-protos.h (ix86_expand_fp_compare): Remove
2911 (ix86_split_fp_branch): Declare.
2913 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2914 and ix86_comparison_operator.
2916 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2919 * i386.c (put_condition_code): Output properly the unordered/ordered
2920 compares in fp case.
2921 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2923 * tm.texi (REVERSE_CONDITION): Document.
2924 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2925 in -ffast-math mode.
2926 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2928 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2930 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2932 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2935 * config/sh/sh.c (mova_p): Fix test for mova_const.
2937 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2939 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2940 cpp_get_options rather than dereferencing pfile and using
2942 * scan-decls.c (scan_decls): Use return value of
2943 cpp_pop_buffer rather than CPP_BUFFER.
2945 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2947 * cppinit.c (cpp_handle_option): help_only is now part of the
2948 cpp_options structure.
2949 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2950 cpp_set_callbacks): New functions.
2951 * cpplib.h (cpp_callbacks): Break out as a named structure.
2952 (cpp_options): Move help_only here from cpp_reader.
2953 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2954 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2955 cpp_set_callbacks): New prototypes.
2956 * cppmain.c (main): Update for help_only.
2958 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2960 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2961 Also build and remove and install and uninstall c-tree.info and
2963 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2964 ($(srcdir)/cppinternals.info): New target.
2965 * c-tree.texi: Change file name used when makeinfo used without -o
2966 from ir.info to c-tree.info. Add info directory entry.
2967 * cppinternals.texi: Add info directory entry.
2968 * .cvsignore: Update.
2970 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2972 * c-typeck.c (store_init_value): Don't require constant initializer
2973 elements with -pedantic -std=c99.
2974 (digest_init): Change error about non-constant initializer elements
2976 (constructor_range_end): Remove.
2977 (constructor_incremental, designator_depth,
2978 designator_errorneous): New variables.
2979 (struct constructor_stack): Remove range_end, add incremental.
2980 (struct constructor_range_stack, constructor_range_stack): New.
2981 (struct initializer_stack): Add constructor_range_stack.
2982 (finish_init): Set it.
2983 (start_init): Likewise. require_constant_elements for non-static
2984 trees only if not flag_isoc99.
2985 (really_start_incremental_init): Remove constructor_range_end, add
2986 constructor_incremental.
2987 (pop_init_level): Likewise.
2988 (push_init_level): Likewise. If implicit and the subobject had some
2989 value set already, preinitialize the level with it.
2990 Warn about missing braces only if not pushing due to designators.
2991 (set_designator, push_range_stack): New functions.
2992 (set_init_label): Use them.
2993 (set_init_index): Likewise. Remove constructor_range_end.
2994 Error if designator index is outside of array bounds.
2995 (add_pending_init): Compare values of purpose index trees, not the
2996 trees themselves. Allow overwriting of already initialized element.
2997 Issue a warning if it had side-effects.
2998 (set_nonincremental_init, set_nonincremental_init_from_string): New
3000 (pending_init_member): Rename to...
3001 (find_init_member): ...this function. Call set_nonincremental_init
3002 if necessary. Compare values of purpose index trees, not the trees
3003 themselves. Return the actual value, not just non-zero if something
3005 (output_init_element): Remove checks for duplicates.
3006 If field has zero size, only check the initializer for correctness.
3007 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3008 if constructor_incremental is zero. Change error about initializers
3009 not computable at load time into pedwarn.
3010 (output_pending_init_elements): Compare bit positions, not
3011 FIELD_DECLs to take into account zero-sized fields.
3012 (process_init_element): Use constructor_range_stack to fill all
3013 ranges in the designator lists from current level up.
3014 * extend.texi: Update documentation for labeled elements.
3016 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3018 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3019 to function usage for arguments passed by reference. Optimize
3020 callee-copied arguments.
3021 * regmove.c (replace_in_call_usage): New function.
3022 (fixup_match_1): Call it.
3023 * cse.c (cse_insn): Canonicalize registers in function usage.
3024 * reload1.c (replace_pseudos_in_call_usage): New function.
3027 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3030 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3032 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3035 2001-01-12 DJ Delorie <dj@redhat.com>
3037 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3038 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3041 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3043 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3044 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3045 -std options alongside references to -ansi. Update some
3046 documentation for C99.
3047 * cpp.1: Regenerate.
3049 2001-01-12 Andreas Jaeger <aj@suse.de>
3051 * haifa-sched.c (restore_line_notes): Remove argument block B
3053 * sched-ebb.c (schedule_ebb): Change caller.
3054 * sched-rgn.c (schedule_region): Likewise.
3055 * sched-int.h (restore_line_notes): Adjust prototype.
3057 * loop.h: Remove wrong declaration of doloop_condition_get.
3059 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3061 * extend.texi: Move C++-extension-related node from the C section
3062 into the C++ section.
3064 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3066 * extend.texi: Refer to an array of pointers to functions instead
3067 of one of functions.
3069 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3070 Jan Hubicka <jh@suse.cz>
3072 * combine.c (reversed_comparison): Fix typo in last patch.
3074 (combine_reversed_comparison_code): Make static to follow
3075 prototype declaration.
3077 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3079 * install.texi: Remove misplaced duplicate entry.
3081 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3083 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3085 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3087 * final.c: (leaf_function_p): Fix typo.
3089 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3091 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3092 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3094 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3095 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3096 mmap_anon, and valloc is available.
3097 * ggc-page.c: Restructure ifdef logic to match new autoconf
3098 spec. Don't throw away the test page in init_ggc.
3100 * configure, config.in: Regenerate.
3102 2001-01-12 Michael Hayes <mhayes@redhat.com>
3104 * loop.h (total_biv_increment): Constify iv_class pointer.
3105 (struct induction): Replace `mem_mode' with `mem' rtx.
3106 * unroll.c (total_biv_increment): Constify iv_class pointer.
3107 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3108 (find_mem_givs, combine_givs_p): Likewise.
3109 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3111 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3113 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3115 (__gthread_getspecific): Ditto.
3117 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3119 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3120 put_condition_code): Convert fp comparison codes to integer
3122 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3125 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3126 * i386-protos.h (no_comparison_operator): Kill.
3128 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3130 * combine.c (REVERSIBLE_CC_MODE): Remove.
3131 (reversible_comparison_p): Remove.
3132 (combine_reversed_comparison_code): New.
3133 (reversed_comparison): New.
3134 (combine_simplify_rtx): Use
3135 combine_reversed_comparison_code/reversed_comparison instead
3136 of reversible_comparison_p.
3137 (simplify_if_then_else): Likewise.
3138 (simplify_set): Likewise.
3139 (simplify_logical): Likewise.
3140 (if_then_else_cond): Likewise.
3141 (known_cond): Likewise.
3142 (simplify_comparison): Likewise.
3144 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3146 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3147 sizeof (int) is larger than sizeof(__word__).
3149 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3151 * cppinit.c (do_includes): Fix typo.
3153 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3155 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3156 in S_REGS does not occur because not all sources are possible
3157 when a S_REGS is a destination (sometimes needs a clobber).
3158 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3159 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3160 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3161 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3162 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3163 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3164 (lshrdi_const1, lshrsi3_const16): Likewise.
3165 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3166 (*movhi_68hc12, *movqi_68hc12): Likewise.
3167 (movstrictqi): Make sure reloading in D_REGS as a destination
3170 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3172 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3174 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3176 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3177 -D, -U and -A, and don't initialize the builtins.
3178 (do_includes): Error if -include or -imacros with -fpreprocessed.
3179 * cppmain.c (cb_define, cb_undef): Unconditionally process
3181 * tradcpp.c (main): Fix typo.
3183 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3185 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3186 (read_name_map): Use IS_ABSOLUTE_PATH.
3187 * tradcpp.c (get_filename): Likewise.
3189 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3191 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3192 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3193 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3194 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3195 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3196 (cmphi_z_used): Don't use '@' for the output.
3197 (tstqi_z_used): Likewise.
3198 (cmpqi_z_used): Likewise.
3199 (one_cmplsi2): Likewise.
3201 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3203 * config/sh/sh.c (barrier_align): Recognize branch around far
3204 branch and redundant insn.
3206 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3208 * invoke.texi: Restore documentation of the drivers' switches -MD
3211 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3213 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3215 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3216 check-objc//%): Support parallel testing of multilibs.
3217 (TESTSUITEDIR): Set to testsuite by default, but override for
3219 (check-gcc, check-g++, check-g77, check-objc): Enter
3222 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3224 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3225 * sched-deps.c (deps_may_trap_p): Likewise.
3226 * basic-block.h: Remove a comment.
3227 * flow.c (PROP_POSTRELOAD): Remove.
3228 (update_life_info): Don't add it to prop_flags.
3229 (mark_set_1): Lose the code that was enabled by it.
3231 2001-01-11 Michael Hayes <mhayes@redhat.com>
3233 * flow.c (flow_call_edges_add): New.
3234 * basic_block.h (flow_call_edges_add): New.
3236 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3238 * reload1.c (move2add_note_store): Update reg_set_luid even if
3239 base reg remains the same.
3241 2001-01-10 Nick Clifton <nickc@redhat.com>
3243 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3244 machine_function structure to zero.
3245 Add prototypes for machine_status functions.
3247 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3249 * c-common.h (CTI_VOID_LIST): Remove.
3250 (void_list_node): Likewise.
3251 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3252 (void_list_node): New macro.
3253 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3254 * config/i386/i386.c (ix86_init_builtins): Likewise.
3255 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3257 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3259 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3260 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3262 * tradcpp.c: Include mkdeps.h.
3263 (deps, print_deps_phony_targets, deps_append, output_deps,
3264 init_dependency_output, output_deps): New.
3265 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3266 deps_output): Delete.
3267 (print_deps_missing_files): Rename deps_missing_files.
3268 (inhibit_output): Make global.
3269 (main): Delete inhibit_output, deps_stream, deps_target.
3270 Use mkdeps functionality in the same way as cpplib. Remove
3271 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3272 -M and -MM. Remove old handling of deps via deps_out, and
3273 old reading of environment variables.
3274 (get_filename): Update to use deps_add_dep.
3276 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3278 * output.h (make_function_rtl): Remove prototype.
3279 (make_decl_rtl): Likewise.
3280 * varasm.c (make_function_rtl): Remove.
3281 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3282 than from a third parameter.
3283 * tree.h (make_decl_rtl): Remove last parameter.
3284 * c-decl.c (builtin_function): Remove last argument in call to
3285 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3286 (start_function): Likewise.
3287 * except.c (call_get_eh_context): Likewise.
3288 * expr.c (emit_block_move): Likewise.
3289 (clear_storage): Likewise.
3290 * profile.c (output_func_start_profiler): Likewise.
3291 * toplev.c (rest_of_decl_compilation): Likewise.
3292 * objc/objc-act.c (create_builtin_decl): Likewise.
3293 (synth_module_prologue): Likewise.
3294 (generate_static_reference): Likewise.
3295 (build_selector_reference_decl): Likewise.
3296 (build_class_reference_decl): Likewise.
3297 (build_objc_string_decl): Likewise.
3298 (build_protocol_reference): Likewise.
3300 2001-01-10 Richard Henderson <rth@redhat.com>
3302 * hwint.h: Revert yesterday's change.
3304 2001-01-10 Nick Clifton <nickc@redhat.com>
3306 * function.h (save_machine_status): Delete.
3307 (restore_machine_status): Delete.
3308 Amend comment describing {init|mark|free}_machine_status.
3310 * function.c (save_machine_status): Delete.
3311 (restore_machine_status): Delete.
3312 Amend comment describing {init|mark|free}_machine_status.
3313 (push_function_context_to): Remove invocation of
3314 save_machine_status.
3315 (pop_function_context_from): Remove invocation of
3316 restore_machine_status.
3318 * emit-rtl.c (init_emit_once): Amend comment describing
3319 {init|mark|free}_machine_status.
3321 * tm.texi (Per-Function Data): New node. Describe the
3322 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3325 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3327 * cppinit.c (OPT_g): Remove.
3328 (cpp_handle_option): Update for removed -g3.
3329 (print_help): Update.
3330 * cpplib.h (struct cpp_options): Remove debug_output.
3331 * cppmain.c (setup_callbacks, cb_define): Update.
3332 * gcc.c (cpp_options): Translate -g3 to -dD.
3334 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3336 * config/i960/i960.md: Change modifier to + on the zero_extract
3337 pattern after the (rotate -2 reg) canonicalization pattern.
3339 2001-01-10 Richard Henderson <rth@redhat.com>
3341 * config/alpha/alpha.c (alpha_free_machine_status): New.
3342 (override_options): Install it.
3343 (alpha_mark_machine_status): Verify machine non-null.
3344 * config/i386/i386.c (ix86_free_machine_status): New.
3345 (override_options): Install it.
3346 (ix86_init_machine_status): Use xcalloc.
3347 (ix86_mark_machine_status): Verify machine non-null.
3348 * config/ia64/ia64.c (ia64_free_machine_status): New.
3349 (ia64_override_options): Install it.
3350 (ia64_mark_machine_status): Verify machine non-null.
3352 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3354 * function.c (instantiate_virtual_regs): Instantiate virtual
3355 registers found in CALL_INSN_FUNCTION_USAGE.
3357 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3359 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3360 equivalent to -ansi in disabling -Di386.
3362 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3364 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3366 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3368 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3370 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3372 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3374 * invoke.texi: Document that -fcond-mismatch isn't supported for
3377 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3379 * gcc.texi: Define macro gcctabopt.
3380 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3381 @command, @env and @option in some places where appropriate. Use
3382 @gcctabopt where appropriate. Put URLs and email addresses inside
3385 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3387 * gcc.c (cpp_options): Set MD file name from output
3388 filename, if specified.
3389 (suffix_subst): New static variable.
3390 (do_spec): Clear it.
3391 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3393 (give_switch): Handle suffix_subst.
3395 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3397 * invoke.texi: Fix another typo.
3399 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3401 * invoke.texi: Fix typo.
3403 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3405 * c-lang.c (lang_hooks): Update.
3406 (lang_decode_option): Remove.
3407 (lang_init_options): Rename c_init_options.
3408 * toplev.c (main): Use lang_hooks for lang_init_options
3409 and lang_decode_option.
3410 * toplev.h (lang_hooks): Add 2 new hooks.
3411 * tree.h: Remove lang_init_options and lang_decode_option.
3412 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3413 * cp/decl2.c: Similarly.
3414 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3415 (lang_hooks): Update.
3416 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3418 (lang_init_options): Rename ffe_init_options.
3419 (lang_hooks): Update.
3420 (lang_decode_option): Remove.
3421 * java/lang.c (lang_init_options): Rename java_init_options.
3422 (lang_decode_option): Rename java_decode_option.
3423 (lang_hooks): Update.
3424 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3425 (lang_decode_option): Rename objc_decode_option.
3426 (lang_hooks): Update.
3428 2001-01-09 Nick Clifton <nickc@redhat.com>
3430 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3431 (d30v_return_addr_rtx): Delete.
3432 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3433 cfun->machine structure.
3434 (struct machine_function): Move to d30v.h
3435 (d30v_save_machine_status): Delete.
3436 (d30v_restore_machine_status): Delete.
3437 (d30v_init_machine_status): New Function.
3438 (d30v_mark_machine_status): New Function.
3439 (d30v_free_machine_status): New Function.
3440 (d30v_init_expanders): Use new functions.
3441 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3442 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3443 d30v_return_addr_rtx.
3445 * config/d30v/d30v.h (struct_machine): Move here.
3446 Add eh_epilogue_sp_ofs field.
3448 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3449 field in cfun->machine structure.
3451 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3453 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3454 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3455 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3457 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3459 * objc/lang-options.h: Remove bogus reference to
3462 2001-01-09 Kazu Hirata <kazu@hxi.com>
3464 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3467 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3469 * reload.c (find_reloads_address): Check for eliminable registers
3470 when substituting a constant expression for a pseudo.
3472 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3474 * c-common.c (enum format_type): Add format_type_error.
3475 (decode_format_type): New function.
3476 (decl_attributes): Use it.
3477 (format_kind_info): Adjust comment.
3479 2001-01-09 David O'Brien <obrien@BSDi.com>
3481 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3482 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3484 * config/i386/gnu.h: Don't include required platform specific .h files,
3485 tm.h will do it instead.
3486 * config/i386/i386elf.h: Likewise.
3487 * config/i386/linux.h: Likewise.
3488 * config/i386/moss.h: Likewise.
3489 * config/mips/gnu.h: Likewise.
3491 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3493 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3494 (rs6000-ibm-aix3.[01]*): Likewise.
3495 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3496 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3497 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3498 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3499 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3500 (powerpc-*-eabiaix*): Likewise.
3501 (powerpc-*-eabisim*): Likewise.
3502 (powerpc-*-elf*): Likewise.
3503 (powerpc-*-eabi*): Likewise.
3504 (powerpc-*-rtems*): Likewise.
3505 (powerpc-*-linux*libc1): Likewise.
3506 (powerpc-*-linux*): Likewise.
3507 (powerpc-wrs-vxworks*): Likewise.
3508 (powerpcle-wrs-vxworks*): Likewise.
3509 (powerpcle-*-sysv*): Likewise.
3510 (powerpcle-*-elf*): Likewise.
3511 (powerpcle-*-eabisim*): Likewise.
3512 (powerpcle-*-eabi*): Likewise.
3513 (powerpcle-*-solaris2*): Likewise.
3514 * config/rs6000/aix31.h: Delete includes.
3515 * config/rs6000/aix3newas.h: Likewise.
3516 * config/rs6000/aix41.h: Likewise.
3517 * config/rs6000/aix43.h: Likewise.
3518 * config/rs6000/beos.h: Likewise.
3519 * config/rs6000/rtems.h: Likewise.
3520 * config/rs6000/sysv4.h: Likewise.
3522 2001-01-09 Kazu Hirata <kazu@hxi.com>
3524 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3525 Change an argument mode of machine_mode to shift_mode of
3526 shift_mode. Remove an extra error check.
3527 (emit_a_shift): Adopt to the new calling prototype of
3529 (function_prologue): Fix code for a monitor
3530 function. Support H8/S.
3531 (function_epilogue): Do not output pop for a monitor function.
3533 2001-01-09 Nick Clifton <nickc@redhat.com>
3535 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3536 (setup_incoming_varargs): Use sysv_varargs_p field of the
3537 cfun->machine structure.
3538 (struct machine_function): Move to rs6000.h
3539 (rs6000_save_machine_status): Delete.
3540 (rs6000_restore_machine_status): Delete.
3541 (rs6000_init_machine_status): New Function.
3542 (rs6000_free_machine_status): New Function.
3543 (rs6000_init_expanders): Use new functions.
3545 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3547 (struct machine_function): Move here.
3549 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3550 sysv_varargs_p field of the cfun->machine structure.
3552 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3554 (rs6000_restore_machine_status): Remove prototype.
3556 2001-01-09 Richard Henderson <rth@redhat.com>
3558 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3559 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3560 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3561 (sched_analyze_2, sched_analyze_insn): Likewise.
3562 (sched_analyze, init_deps): Likewise.
3563 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3564 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3565 (compute_block_backward_dependences): Update propagate_deps call.
3567 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3569 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3571 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3573 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3574 (cpp_handle_option): Handle them.
3575 (cpp_post_options): Ensure one of -M or -MM is specified with
3576 any other -M? option.
3577 (init_dependency_output): Suppress output with -MG.
3579 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3582 * invoke.texi: Update.
3584 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3586 * sh.md (reload_outsf): Generate recognizable patterns for
3589 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3591 * c-lang.c (lang_hooks): Update.
3592 (lang_init): Rename c_init.
3593 (lang_finish): Remove.
3594 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3596 * toplev.h (lang_hooks): Add init () and finish ().
3597 * tree.h (lang_init, lang_finish): Remove.
3598 * cp/tree.h (lang_init, lang_finish): Remove.
3599 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3600 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3602 (lang_init, lang_finish): Remove.
3603 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3604 (lang_hooks): Update.
3605 * java/lang.c (lang_init): Rename java_init.
3606 (lang_finish): Remove.
3607 (lang_hooks): Update.
3608 * objc/objc-act.c (lang_init): Rename objc_init.
3609 (lang_finish): Remove.
3610 (lang_hoooks): Update.
3612 20001-01-09 Graham Stott <grahams@redhat.com>
3614 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3615 after `ptr` is initialised.
3617 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3619 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3620 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3621 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3622 stack adjusts, instead of r3.
3624 2001-01-09 Michael Hayes <mhayes@redhat.com>
3626 * flow.c (flow_loop_scan): Break out of ...
3627 (flow_loops_find) ... here.
3628 * basic-block.h (flow_loop_scan): New.
3629 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3630 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3632 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3634 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3636 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3637 realloc()ing macro_buffer.
3639 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3640 if it's wider than long and the target's long is wider than the
3643 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3645 Remove support for using UWIN as a host machine.
3646 * configure.in: Issue an error message.
3647 * configure: Regenerated.
3648 * config.gcc: Remove xm_* UWIN configury.
3649 * config/i386/xm-uwin.h: Remove.
3651 2001-01-08 Nick Clifton <nickc@redhat.com>
3653 * config/v850/v850.c (ra_rtx): Delete.
3654 (v850_save_machine_status): Delete.
3655 (v850_restore_machine_status): Delete.
3656 (v850_init_machine_status): New function.
3657 (v850_mark_machine_status): New function.
3658 (v850_free_machine_status): New function.
3659 (v850_return_addr): Use ra_rtx field in machine structure.
3660 (v850_init_expanders): Use new functions.
3662 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3663 * config/v850/v850.c: Change arguments to v850_output+* functions
3664 to take a const char *, to avoid compile time warning.
3665 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3666 (USER_LABEL_PREFIX): Redefine.
3668 2000-01-08 Jim Wilson <wilson@redhat.com>
3670 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3671 1 to unsigned HOST_WIDE_INT before left shift.
3673 2001-01-08 Nick Clifton <nickc@redhat.com>
3675 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3676 the machine structure has been allocated.
3677 (arm_free_machine_status): New function: Free the machine
3678 specific function structure.
3680 2001-01-08 Richard Henderson <rth@redhat.com>
3682 * jump.c (simplejump_p): Revert last change.
3684 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3686 * cppinit.c (init): Rename init_library.
3687 (cpp_create_reader): Update.
3688 * gcc.c (cpp_options): If -o given, use it as the target of
3691 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3693 * arm.c (arm_arch5e): New variable.
3694 (all_cores): XScale is a 5TE device.
3695 (arm_override_options): Set arm_arch5e.
3696 (arm_init_builtins): __builtin_prefetch is in arch5e.
3697 * arm.h (arm_arch5e): Declare it.
3699 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3701 * arm.md (define_constants): Add defines for UNSPEC and
3702 UNSPEC_VOLATILE insns. Update all users.
3703 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3704 * arm.c (multi_register_push, note_invalid_constants)
3705 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3706 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3707 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3709 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3711 * jump.c (jump_optimize_1): Use reversed_comparison_code
3712 instead of can_reverse_comparison_p.
3713 (jump_back_p): Likewise.
3714 (invert_exp_1): Likewise.
3715 (thread_jumps): Likewise.
3716 * simplify-rtx.c (simplify_unary_operation): Likewise.
3717 (simplify_ternary_operation): Likewise.
3718 * cse.c (find_comparison_args): Convert to use
3719 can_reverse_comparison_p.
3720 (record_jump_equiv): Likewise.
3722 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3724 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3725 (EPILOGUE_USES): Define.
3726 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3727 automatically stack the LR if it isn't live.
3729 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3731 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3734 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3736 * ggc-page.c (max_alignment): New structure.
3737 (MAX_ALIGNMENT): New macro.
3738 (init_ggc): Use it to round up the sizes in the
3739 extra_order_size_table.
3741 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3743 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3746 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3748 * builtins.def (BUILT_IN_FPRINTF): New entry.
3750 * c-common.c (c_expand_builtin_fprintf): New function.
3751 (init_function_format_info): Handle __builtin_fprintf.
3752 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3753 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3755 * c-decl.c (duplicate_decls): Adjust comment.
3757 * extend.texi (fprintf): Document new builtin.
3759 2001-01-07 Richard Henderson <rth@redhat.com>
3761 * jump.c (simplejump_p): Recognize any single_set jump
3764 2001-01-07 Richard Henderson <rth@redhat.com>
3766 * configure.in (slibdir): Accept an --with-slibdir option.
3767 Use "test" not "[" in configure. Default to $(libdir).
3769 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3771 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3772 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3773 (SHLIB_LINK): Create links for the soname.
3774 * config/mips/t-iris6: Likewise.
3775 * config/sparc/t-slibgcc: Likewise.
3776 * config/sparc/t-slibgcc-sld: Likewise.
3778 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3780 * config/i386/i386.c (constant_call_address_operand): Accept
3781 (const (plus (symbol_ref) (const_int))).
3782 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3783 constant_call_address_operand.
3785 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3787 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3788 and LONG_LONG_TYPE_SIZE > 32.
3790 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3792 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3793 the previous change.
3795 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3797 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3799 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3800 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3801 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3804 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3806 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3808 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3810 * c-lang.c (c_post_options): Call cpp_post_options.
3811 * objc/objc-act.c (objc_post_options): Similarly.
3812 * cppmain.c (main): Similarly.
3813 * fix-header.c (read_scan_file): Similarly.
3814 * cppinit.c (cpp_start_read): Move option consistency checks
3815 to cpp_post_options. Don't call init_dependency_output.
3816 If needed, add default target and main file dependency.
3817 (OPT_MD, OPT_MMD): Remove.
3819 (cpp_handle_option): Update for OPT_* changes.
3820 (cpp_post_options): New.
3821 (init_dependency_output): Command line -MF overrides environment
3822 variables. Don't set default target etc. Suppress output
3823 if dependencies are going to stdout.
3824 (print_help): Update.
3825 * cpplib.h (cpp_post_options): New.
3826 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3828 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3830 * jump.c (comparison_dominates_p): Support unordered compares.
3832 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3834 * simplify-rtx.c (simplify_relational_operation): Always simplify
3835 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3838 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3840 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3841 (nonzero_bits): Likewise.
3842 (simplify_comparison): Likewise.
3843 (num_sign_bit_copies): Likewise; return more sane value depending
3844 on STORE_FLAG_VALUE.
3845 (known_cond): Do not assume EQ to be always true for equivalent
3848 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3850 * cse.c (fold_rtx): Handle unordered comparisons.
3852 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3854 * rtlanal.c (set_of_1): New static function.
3855 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3856 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3857 reg_set_last_last_regno): Remove.
3858 (set_of): New global function.
3859 (set_of_data): New structure.
3860 (reg_set_p, reg_set_last): Revamp for set_of.
3861 * rtl.h (set_of): New.
3863 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3865 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3866 * extend.texi: Document _Exit builtin.
3868 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3870 * (initialize, initialize_builtins,
3871 initialize_dependency_output, initialize_standard_includes):
3872 Rename s/initialize/init. Update.
3873 (init_dependency_output): Move to after
3874 cpp_handle_options, the correct location temporally at least.
3875 (opt_comp): Move next to init (), its caller. Fix prototype.
3876 (init): Make "initialized" local scope.
3877 (cpp_create_reader): Always call init ().
3878 (cpp_start_read): Update.
3879 (output_deps): New function, broken out of cpp_finish.
3880 (cpp_finish): Break out output_deps.
3882 2001-01-07 Richard Henderson <rth@redhat.com>
3884 * collect2.c (COFF specific stuff): Revert 12-06 patch
3885 to prototype system functions.
3887 2001-01-07 Michael Hayes <mhayes@redhat.com>
3889 * hard-reg-set.h: Add multiple include guard.
3890 * basic-block.h (struct loop): Add `sink' field.
3891 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3892 (emit_iv_add_mult): Delete.
3893 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3894 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3895 (unroll_loop): Remove end_insert_before argument.
3896 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3897 (maybe_eliminate_biv_1): Likewise.
3898 (emit_iv_add_mult): Delete.
3899 (gen_add_mult, loop_regs_update): New.
3900 (loop_insn_emit_after, loop_insn_emit_before): New.
3901 (loop_insn_sink, loop_insn_sink_or_swim): New.
3902 (emit_iv_add_mult): Delete.
3903 (scan_loop): Set loop->sink.
3904 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3905 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3906 (maybe_eliminate_biv_1): Likewise.
3907 (maybe_eliminate_biv_1): Add basic block argument.
3908 * unroll.c (unroll_loop): Remove end_insert_before argument.
3909 (find_splittable_regs): Likewise.
3910 (find_splittable_regs): Use loop_insn_sink and its ilk.
3911 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3913 2001-01-07 Michael Hayes <mhayes@redhat.com>
3915 * loop.h (loop_insn_hoist): New prototype.
3916 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3917 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3918 (check_dbra_loop, load_mems): Likewise.
3919 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3920 (find_splittable_givs): Likewise.
3922 2001-01-07 Michael Hayes <mhayes@redhat.com>
3924 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3926 2001-01-07 Richard Henderson <rth@redhat.com>
3928 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3930 2001-01-07 Richard Henderson <rth@redhat.com>
3932 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3933 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3934 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3935 variant that handles a shared libgcc.
3936 (process_command): Always validate -{static,shared}-libgcc.
3937 (do_spec_1): New 'M' case.
3938 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3940 2001-01-07 Richard Henderson <rth@redhat.com>
3942 * Makefile.in (slibdir): New variable.
3943 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3944 (installdirs): Create slibdir.
3945 (install-libgcc, install-multilib): Defer to libgcc.mk.
3946 * configure.in (slibdir): Substitute.
3947 * mklibgcc.in (install): New target.
3949 * config/t-linux (SHLIB_LINK): Create links for the soname.
3950 (SHLIB_INSTALL): New.
3951 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3952 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3953 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3954 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3955 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3957 2001-01-07 Richard Henderson <rth@redhat.com>
3959 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3960 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3961 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3963 2001-01-07 Michael Hayes <mhayes@redhat.com>
3965 * loop.c (count_loop_regs_set): Delete.
3966 (load_mems_and_recount_loop_regs_set): Delete.
3967 (loop_regs_scan): Merge common code from count_loop_regs_set,
3968 scan_loop, and load_mems_and_recount_loop_regs_set.
3969 (scan_loop): Call load_mems directly and loop_regs_scan
3970 again if new registers created.
3972 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3974 * toplev.c (main): Call the front-end specific post_options
3975 hook if one is given.
3976 * toplev.h (struct_lang_hooks, lang_hooks): New.
3977 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3978 for the C front end.
3979 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3980 lang_hooks for the C++ front end.
3981 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3982 lang_hooks for the ObjC front end.
3983 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3984 * java/lang.c (lang_hooks): Hooks for the Java front end.
3986 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3988 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3989 for verbose DWARF[2] debugging.
3990 (cb_define, cb_undef): The new callbacks.
3991 * toplev.h (debug_define, debug_undef): Make const correct.
3992 * toplev.c (debug_define, debug_undef): Similarly. Do not
3993 perform the verbosity tests here anymore.
3995 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3997 * reload.c (subst_reloads): Take INSN argument. When
3998 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3999 * reload.h (subst_reloads): Adjust prototype.
4000 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4001 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4002 present in JUMP_INSNs and copy them to JUMP_LABEL.
4003 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4004 JUMP_INSNs and insns with REG_LABELs that are followed by
4005 JUMP_INSNs with the same REG_LABEL.
4006 * sched-rgn.c (is_cfg_nonregular): Likewise.
4007 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4009 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4011 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4013 2001-01-06 Richard Henderson <rth@redhat.com>
4015 * loop.c (scan_loop): Use xcalloc for the regs array.
4016 (load_mems_and_recount_loop_regs_set): Zero the new memory
4017 received from xrealloc.
4019 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4021 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4023 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4025 * integrate.c (copy_rtx_and_substitute): When copying
4026 an ignored return value, strip REG_FUNCTION_VALUE_P.
4028 2001-01-06 Michael Hayes <mhayes@redhat.com>
4030 * loop.c (debug_biv, debug_giv): New.
4031 (loop_biv_dump): Break out from ...
4032 (record_biv): ... here.
4033 (loop_giv_dump): Break out from ...
4034 (record_giv): ... here.
4035 (loop_bivs_check): Use print_simple_rtl.
4036 * unroll.c (loop_iterations): Use print_simple_rtl.
4038 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4040 * pa.md (return, return_internal): Modify patterns to prevent regrename
4041 mucking with the return pointer.
4043 2001-01-05 Richard Henderson <rth@redhat.com>
4045 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4047 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4049 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4050 version supplied by Matteo Frigo.
4052 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4054 * cpp.texi: Update for -MQ.
4055 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4056 (cpp_cleanup): Always free pfile->deps.
4057 (initialize_dependency_output): Don't create pfile->deps.
4058 (cpp_handle_option): Similarly.
4060 * gcc.c (cpp_options): Handle -MQ.
4061 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4062 * mkdeps.c (base_name): Remove.
4063 (deps_init): Don't allocate vector space until it's needed.
4064 (deps_free): Only free vectors if allocated.
4065 (deps_add_target, deps_add_dep): Update for initial allocation.
4066 (deps_add_default_target): Don't strip to the base_name.
4068 2001-01-05 DJ Delorie <dj@redhat.com>
4070 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4071 (INIT_EXPANDERS): Define.
4073 * config/v850/v850.c (struct machine_function): Define.
4074 (v850_save_machine_status): New function.
4075 (v850_restore_machine_status): New function.
4076 (v850_return_addr): New function.
4077 (v850_init_expanders): New function.
4079 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4080 and v850_init_expanders.
4082 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4084 * cpplib.h (struct cpp_reader): Add help_only field.
4085 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4086 (cpp_handle_option): Set pfile->help_only if we see -h,
4087 --help, -target-help, or --version. Print version string but
4088 do not set help_only if we see -v or -version. Make text
4089 printed by -v match that printed by (-)-version.
4091 * cppmain.c (main): Exit after option parsing if
4092 pfile->help_only is true.
4094 * toplev.c (independent_decode_option): Call print_version,
4095 then exit, if we see --version (but not -version).
4096 (print_version): Split lengthy message into two lines.
4098 2001-01-05 Nick Clifton <nickc@redhat.com>
4100 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4101 temporary string for initialisation before calling ggc_alloc_string.
4103 2001-01-06 Michael Hayes <mhayes@redhat.com>
4105 * rtl.h (print_simple_rtl): New.
4106 * print-rtl.c (print_simple_rtl): New.
4108 (print_rtx): Disable printing of flags and modes, etc.,
4109 if `flag_simple` nonzero.
4111 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4113 * function.c (fixup_var_refs): Use push_to_full_sequence where
4116 2001-01-05 Michael Meissner <meissner@redhat.com>
4118 * flags.h (flag_reorder_blocks): Add declaration.
4119 (flag_rename_block): Ditto.
4121 2001-01-05 DJ Delorie <dj@redhat.com>
4123 * function.c (reorder_blocks): Make sure the flags are all reset
4124 before using them to mark blocks, else a second invocation will
4125 corrupt the block chain.
4126 (reorder_blocks_0): New, resets the flags.
4128 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4130 * cse.c (find_comparison_args): Stop if the argument is known to
4133 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4135 * config/sh/sh.md (movdf): When splitting load into pair of
4136 registers, don't clobber the register used in the address too
4139 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4141 * varasm.c (mark_constant_pool): Improve initial comments.
4142 (mark_constants): Move marking of constants to mark_constant.
4143 (mark_constant): New function to recursively mark all constants
4144 referred to by a constant.
4146 2001-01-05 Catherine Moore <clm@redhat.com>
4148 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4150 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4152 * cp/lang-options.h: Bring comment in line with reality.
4153 * f/lang-options.h: Likewise.
4154 * java/lang-options.h: Likewise.
4155 * objc/lang-options.h: Likewise.
4156 * ch/lang-options.h: Likewise.
4157 * f/g77.texi: And update the manual.
4159 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4160 Denis Chertykov <denisc@overta.ru>
4162 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4163 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4164 * config/avr/avr.md (all peepholes that request a scratch register):
4165 Call it, FAIL the peephole if not safe (in interrupt functions).
4167 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4169 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4171 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4173 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4175 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4176 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4177 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4178 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4179 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4181 * extend.texi: Document these builtins.
4183 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4185 * c-common.c (lang_get_alias_set): Say we know nothing of
4186 VECTOR_TYPE aliasing.
4188 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4190 2001-01-05 Bruce Korb <bkorb@gnu.org>
4192 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4193 their x* equivalent versions for atexit-less systems
4194 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4195 systems (or any other system any more).
4197 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4199 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4200 output operands. Use arm_hard_register_operand for operand 4.
4201 (stmsi_postinc): Similarly.
4202 (ldmsi): Use arm_hard_register_operand for opernand 2.
4204 * arm.c (arm_hard_register_operand): New function.
4205 * arm-protos.h (arm_hard_register_operand): Prototype it.
4207 * arm.h (HARD_REGNO_RENAME_OK): Define.
4209 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4211 * simplify-rtx.c (cfc_args): add "unordered" field.
4212 (check_fold_consts): Set unordered field.
4213 (simplify_relational_operation): Simplify the unordered
4216 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4219 * emit-rtl.c (try_split): Fix code to mark labels.
4220 * jump.c (mark_jump_label): Make global.
4221 * rtl.h (mark_jump_label): Declare.
4223 * predict.c (estimate_probability): Handle unordred comparisons.
4225 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4227 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4228 * cppinit.c (initialize_dependency_output): Update.
4229 (cpp_finish): Output dummy targets for -MP.
4231 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4232 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4233 * gcc.c (cpp_options): Update to handle -MP.
4234 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4235 to quote only the default target.
4236 (deps_phony_targets): Insert a preceding newline. Rename from
4237 deps_dummy_targets for consistency.
4240 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4242 * calls.c (emit_library_call_value_1): Support
4243 INIT_CUMULATIVE_LIBCALL_ARGS.
4244 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4246 2001-01-04 Richard Henderson <rth@redhat.com>
4248 * c-decl.c (finish_struct): Detect flexible array members
4249 used in an inappropriate context.
4250 * c-typeck.c (really_start_incremental_init): Special case
4251 constructor_max_index for zero length arrays.
4252 (pop_init_level): Allow initialization of flexible array
4253 members. Deprecate initialization of zero length arrays.
4254 Don't issue missing initializer warning for flexible array
4255 members or zero length arrays.
4256 (process_init_element): Don't dereference null DECL_SIZE.
4257 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4258 Don't abort for empty constructors. Use size_binop
4259 (output_constructor): Add commentary regarding zero length
4260 array futures. Abort if we try to initialize an array of
4261 unspecified length with a non-empty constructor in the middle
4264 * extend.texi (Zero Length): Update and clarify documentation
4265 on static initialization.
4267 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4269 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4270 with more than 32767 words of local storage.
4272 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4274 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4275 for 'abs', 'labs', and 'fabs'.
4276 (c4x_expand_builtin): Likewise.
4277 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4279 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4281 * config/sh/sh.md (prget, prset): New insn types.
4282 (return delay slot): Dont' allow prset.
4283 (call, sfunc delay slot): Don't allow prget.
4284 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4285 for prset and prget.
4287 2001-01-05 Michael Hayes <mhayes@redhat.com>
4289 * loop.h (struct loop_reg): New.
4290 (struct loop_regs): Change to use array of `struct loop_reg'.
4291 * loop.c: Replace assortment of varrays with single regs array.
4292 (count_one_set): Delete may_not_move array argument
4293 and use regs array instead. All caller's changed.
4294 (count_loop_regs_set): Delete may_not_move and single_usage
4295 arguments and use regs array instead. All caller's changed.
4296 (find_single_use_in_loop): Replace usage array argument with pointer
4297 to regs structure. All caller's changed.
4298 (loop_optimize): Delete `moved_once' array.
4300 2001-01-05 Michael Hayes <mhayes@redhat.com>
4302 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4303 Use it instead of loop_info->has_call for scanning loop mems.
4304 (check_dbra_loop): Replace loop_info->has_call test with
4305 loop_info->has_nonconst_call.
4307 2000-01-04 Matthew Hiller <hiller@redhat.com>
4309 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4312 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4314 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4315 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4317 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4319 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4320 (flag_short_double, flag_short_wchar): Define.
4321 (c_common_nodes_and_builtins): Create many tree nodes shared
4322 between C and C++ here instead of in cp/decl.c and ...
4323 * c-decl.c (init_decl_processing): ... here.
4324 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4325 (flag_short_double, flag_short_wchar): Don't define.
4326 (record_builtin_type): New function.
4327 (build_void_list_node): New function.
4328 * c-common.h (flag_short_double, flag_short_wchar,
4329 record_builtin_type, build_void_list_node): Declare.
4331 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4333 * integrate.c (expand_inline_function): Don't put a virtual
4334 register into the reg map.
4336 * function.c (fixup_var_refs_1): If force_operand didn't put
4337 the address into the target, move it there.
4339 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4341 Special-case tree_decl/tree_list allocations.
4342 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4343 (OBJECT_SIZE): New macro.
4344 (NUM_EXTRA_ORDER): Likewise.
4345 (extra_order_size_table): New variable.
4346 (NUM_ORDERS): New macro.
4347 (objects_per_page_table): New variable.
4348 (object_size_table): New variable.
4349 (G.pages): Use NUM_ORDERS to bound the array.
4350 (G.page_tails): Likewise.
4351 (DIV_ROUND_UP): Remove.
4352 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4353 (alloc_page): Use OBJECT_SIZE.
4354 (size_lookup): Don't make it const.
4355 (ggc_alloc): Use OBJECT_SIZE.
4356 (ggc_set_mark): Likewise.
4357 (ggc_get_size): Likewise.
4358 (init_ggc): Set up the object_size_table, objects_per_page_table,
4359 and adjust size_lookup.
4360 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4361 (ggc_pop_context): Use NUM_ORDERS.
4362 (clear_marks): Likewise.
4363 (sweep_pages): Likewise.
4364 (poison_pages): Likewise.
4365 (ggc_print_statistics): Use OBJECT_SIZE.
4367 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4369 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4370 Only call array_size_for_constructor if last field and array type
4371 with no upper bound.
4373 2001-01-04 Philip Blundell <philb@gnu.org>
4375 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4376 from bit 31 downwards, if this requires no more insns.
4377 (count_insns_for_constant): New helper function for above.
4379 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4381 * gencodes.c (output_predicate_decls): Remove empty initializer.
4383 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4385 * tree.c (copy_node): Remove documentation about obstacks.
4386 (buidl1): Check that nobody tries to build 2-argument nodes this
4389 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4391 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4394 * gencodes.c (output_predicate_decls): Fill empty initializer
4397 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4399 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4400 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4402 (do_include): Handle missing headers like cpp0.
4403 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4404 paths with first include pathname. Don't strcat to uninitialized
4407 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4409 * regrename.c (regrename_optimize): Don't rename from frame pointer
4410 if frame_pointer_needed.
4411 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4412 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4413 (ia64_reorg): Use it instead of scheduling if ! optimize.
4414 (errata_emit_nops): Properly call asm_noperands.
4415 (ia64_sched_reorder): Finish cycle if we see an asm.
4416 (ia64_variable_issue): Clear scheduling state after asms.
4418 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4420 * cpp.texi: Update for -MT.
4421 * cppinit.c (initialize_dependency_output): Add a default
4422 target if none has been given already.
4423 (no_tgt, OPT_MT): New.
4424 (cpp_handle_option): Handle -MT. Update -M etc.
4425 * cpplib.h (struct cpp_options): Remove deps_target.
4426 * gcc.c (cpp_options): Handle -MT.
4427 * mkdeps.c (struct deps): Move from mkdeps.h.
4428 (deps_calc_target): Rename deps_add_default_target. Add a
4429 default target if none has been specified already.
4430 * mkdeps.h (struct deps): Move to mkdeps.c.
4431 (deps_calc_target): Rename deps_add_default_target.
4433 2000-01-03 Richard Henderson <rth@redhat.com>
4435 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4437 * c-typeck.c (push_init_level): Move checks for flexible array
4438 members and zero length arrays ...
4439 (pop_init_level): ... here. Silently discard empty initializations.
4441 * varasm.c (output_constructor): Update for sizeof change to
4444 * extend.texi (Zero Length): Clarify semantics.
4446 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4448 * configure.in (tm.h): Include isns-codes.h last.
4449 * configure: Rebuilt.
4451 2001-01-03 Richard Henderson <rth@redhat.com>
4453 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4454 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4456 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4458 * tradcpp.c (main): Make sure finclude() is called with a valid
4459 indepth value while handling -include.
4461 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4463 * gencodes.c (output_predicate_decls): New function.
4465 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4466 even if it is not the first time machmode.h is #included.
4467 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4468 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4469 * gcc.texi (Copyright): Added 2001.
4471 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4473 * c-common.c (c_common_lang_init): New function. Warn if format
4474 warning options which only have effects when used with -Wformat
4475 are used without -Wformat.
4476 * c-common.h (c_common_lang_init): Declare.
4477 * c-lang.c (lang_init): Call c_common_lang_init.
4478 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4480 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4482 * configure.in: Check for the mktemp command.
4483 * configure: Regenerate.
4484 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4485 $TEMP. Create temporary files with mktemp, if available at
4486 configure time; otherwise use set -C. Remove temporary files
4489 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4491 * configure.in: Require at least texinfo 4.0. Check for whether
4492 Pod::Man is sufficiently recent to regenerate GCC manpages.
4493 * configure: Regenerate.
4494 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4496 (GENERATED_MANPAGES): Define.
4497 (generated-manpages): New target. Depend on cpp.1 as well as
4499 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4500 configure to generated-manpages or empty) rather than on the
4501 manpages directly. Remove execute permission from installed
4502 gcov.1 as well as cpp.1.
4503 * cpp.1, gcov.1: Regenerate.
4505 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4507 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4508 tree_low_cst. Allow using cmpstrsi in more cases.
4510 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4512 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4515 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4517 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4518 * Makefile.in (HOST_CFLAGS): Mention build-make.
4520 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4522 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4525 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4527 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4530 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4533 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4534 reg_base_value and reg_known_value arrays.
4535 (init_alias_analysis): Add more cases to detect known values.
4536 * sched-deps.c (deps_may_trap_p): New function.
4537 (sched_analyze_2): Use it.
4539 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4541 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4542 don't discard an ASHIFTRT if we're shifting in a wider mode.
4544 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4546 * toplev.c (rest_of_compilation): Don't print basic block information
4547 when CFG isn't up to date.
4549 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4551 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4552 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4553 (UNALIGNED_SHORT_ASM_OP): Define.
4554 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4556 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4558 * fold-const.c (fold_convert): Fix typo.
4560 2001-01-02 Richard Henderson <rth@redhat.com>
4562 * c-common.h (ASM_INPUT_P): New.
4563 * c-parse.in (asm): Set it when needed.
4564 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4565 existance of an operand.
4567 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4569 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4570 (dwarf2out_frame_debug_expr): Likewise.
4571 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4573 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4575 * i386.c (ix86_split_to_parts): Return number of part required;
4577 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4579 (ix86_split_long_move): Use number of part returned
4580 by ix86_split_to_parts
4581 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4583 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4584 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4585 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4586 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4587 (ALIGN_MODE_128): Add TFmode.
4588 (IS_STACK_MODE): Likewise.
4589 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4590 (HARD_REGNO_OK): Support TFmodes.
4591 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4592 * i386.md (scheduler definitions): Use memory operand to determine
4593 fst/fld instructions; use mode attribute to determine real mode of
4595 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4596 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4598 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4600 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4602 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4604 * expr.c (store_constructor_field): Update ALIGN before calling
4607 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4609 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4612 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4614 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4617 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4619 * c-decl.c (start_function): Don't warn on third parameter to main.
4621 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4623 * tsystem.h: Define HAVE_DECL_GETOPT.
4625 2001-01-02 Philip Blundell <pb@futuretv.com>
4627 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4630 2001-01-02 Richard Henderson <rth@redhat.com>
4632 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4634 2001-01-02 Andreas Jaeger <aj@suse.de>
4636 * c-decl.c (c_decode_option): Remove support of
4639 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4640 (W_options): Add -Wmissing-noreturn here.
4642 * flow.c: Define lang_missing_noreturn_ok_p.
4643 (check_function_return_warnings): Use it.
4645 * c-common.h: Declare lang_missing_noreturn_ok_p.
4647 * c-lang.c (c_missing_noreturn_ok_p): New function.
4648 (lang_init): Set lang_missing_noreturn_ok_p.
4650 * invoke.texi (Warning Options): Document this.
4652 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4654 * extend.texi (C++ Extensions): New node for C++ attributes;
4655 describe init_priority and com_interface.
4656 * invoke.texi: Remove -finit-priority as it now has zero effect.
4657 * install.texi: Fix xref syntax.
4658 * md.texi: Likewise.
4660 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4662 * config.gcc (sparc64-wrs-vxworks*): New case.
4663 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4665 * config/sparc/sparc.c (sparc_override_options): Do support different
4666 pointer and architecture size.
4667 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4668 (POINTERS_EXTEND_UNSIGNED): Define.
4669 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4670 (FUNCTION_MODE): Define to be Pmode.
4671 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4673 * function.c (expand_function_end): Properly handle DECL_RESULT
4674 and copy when ptr_mode != Pmode.
4675 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4677 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4679 * c-common.c (c_common_nodes_and_builtins): Set prototype
4680 parameters for __builtin_fputs, __builtin_fputc and
4681 __builtin_fwrite. Don't declare plain fputc as a builtin.
4683 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4685 * loop.c (add_label_notes): Increment the label usage count when
4686 a note is added to an insn which refers to a CODE_LABEL.
4687 * gcse.c (add_label_notes): Likewise.
4689 2001-01-01 Andreas Jaeger <aj@suse.de>
4691 * loop.c (scan_loop): Use xmalloc to allocate movables.
4693 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4695 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4696 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4697 * reload1.c (REGISTER_MOVE_COST): Likewise.
4698 * regclass.c (REGISTER_MOVE_COST): Likewise.
4699 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4700 dimension. Adjust all users.
4701 (init_reg_sets_1): Iterate on all modes.
4702 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4703 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4704 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4705 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4706 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4707 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4708 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4709 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4710 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4711 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4712 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4713 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4714 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4715 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4716 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4717 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4718 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4719 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4720 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4721 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4722 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4723 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4724 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4725 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4726 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4727 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4728 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4730 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4732 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4733 arg VARIES_P. Call it with extra arg.
4734 (true_dependence): Likewise.
4735 * rtl.h (rtx_addr_can_trap_p): Declare.
4736 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4738 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4739 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4740 pic offset table register if it's zero. All callers changed.
4741 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4743 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4745 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4746 STRING_POOL_ADDRESS_P.
4748 * config/sparc/sparc.c (input_operand): Properly test for short op.
4750 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4751 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4752 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4753 * config/sparc/elf.h: No longer include sol2.h.
4754 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4755 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4757 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4759 2001-01-01 Michael Hayes <mhayes@redhat.com>
4761 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4762 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4763 (record_initial): Likewise.
4764 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4765 (remap_split_bivs): Likewise.
4767 2001-01-01 Michael Hayes <mhayes@redhat.com>
4769 * loop.c (loop_ivs_free): New function.
4770 (strength_reduce): Break out from...
4772 2001-01-01 Michael Hayes <mhayes@redhat.com>
4774 * loop.h (struct iv): New.
4775 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4776 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4777 'reg_biv_class' fields with 'regs' and 'n_regs'.
4778 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4779 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4780 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4782 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4784 * resource.c (mark_referenced_resources): Abort() before
4785 attempting to mark a pseudo register.
4786 (mark_set_resources): Likewise.
4788 2001-01-01 Michael Hayes <mhayes@redhat.com>
4790 * loop.h (REG_IV_CLASS): New accessor macro.
4791 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4792 * unroll.c (REG_IV_CLASS): Likewise.
4794 See ChangeLog.4 for earlier changes.