1 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3 * jump.c (reversed_comparison_code): Kill.
5 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
7 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
10 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
12 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
13 add missing '%' in constraints.
15 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
17 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
18 for HOST_BITS_PER_WIDE_INT == 32 too.
20 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
22 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
24 (insert_save, insert_restore): New parameter save_mode.
25 (init_caller_save): Update initialization of reg_save_code
27 (save_call_clobbered_regs): Compute save_modes and update calls to
28 reg_save_code and reg_restore_code.
29 (insert_restore): Unsignetize numbers; use save_modes to choose mode
30 of spill; update use of reg_restore_code.
31 (insert_save): Likewise.
32 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
33 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
34 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
36 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
38 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
39 noce_try_store_flag_inc, noce_try_store_flag_mask,
40 noce_try_cmove_arith):
41 Use reversed_comparison_code instead of reverse_comparison and
42 can_reverse_comparison_p.
44 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
46 * jump.c (reversed_comparison_code_parts): Allow reversal of
47 unordered compares in -ffast-math mode; reverse ordered compares
48 for FP even w/o -ffast-math.
50 2001-02-27 Richard Henderson <rth@redhat.com>
52 * print-rtl.c (print_rtx) [i]: Don't print field five on
53 NOTEs other than NOTE_INSN_DELETED_LABEL.
55 2001-02-27 Zack Weinberg <zackw@stanford.edu>
57 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
58 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
60 2001-02-27 Diego Novillo <dnovillo@redhat.com>
62 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
63 even if walk_subtrees is 0.
64 * c-semantics.c (prune_unused_decls): Return a non-null value to
65 stop traversing the tree chain.
67 2001-02-27 DJ Delorie <dj@redhat.com>
69 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
70 register, *then* define it as the new CFA.
72 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
74 * pa.c (override_options): Promote -fpic to -fPIC.
75 (legitimize_pic_address): Simplify due to removal of
76 small PIC as a code generation option.
77 (secondary_reload_class): Similarly.
78 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
79 (PRINT_OPERAND_ADDRESS): Similarly.
80 * pa.md (various patterns): Similarly.
81 (small pic lo_sum pattern): Remove.
83 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
86 * md.texi (min, max): Document
88 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
90 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
91 TARGET_PARTIAL_REG_DEPENDENCY.
92 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
94 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
96 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
98 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
100 * mips.c (mips_make_temp_file): Fix thinko in last change.
102 2001-02-26 Jason Eckhardt <jle@redhat.com>
104 * combine.c (known_cond): Do not reverse the condition when
105 SMAX/UMAX is being considered and the condition is for equality
108 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
110 2001-02-26 Philip Blundell <philb@gnu.org>
112 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
114 * config/arm/linux-elf.h: Remove historical relics related to
115 above configurations.
116 * config/arm/linux-oldld.h: Delete.
117 * config/arm/linux-elf26.h: Delete.
119 2001-02-26 Jason Merrill <jason@redhat.com>
121 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
123 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
124 recognize a tentative definition. Lose obsolete code.
126 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
127 variables unless necessary, either.
129 2001-02-25 Richard Henderson <rth@redhat.com>
131 * ifcvt.c (struct noce_if_info): Add test_bb.
132 (noce_get_alt_condition): New.
133 (noce_try_minmax, noce_try_abs): New.
134 (noce_operand_ok): New.
135 (noce_process_if_block): Use them.
136 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
138 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
140 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
143 2001-02-25 Zack Weinberg <zackw@stanford.edu>
145 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
146 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
148 (mips_asm_file_end): Free temp_filename here.
150 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
152 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
153 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
155 * config/i386/i386.md (movstrsi): Handle FAIL case.
157 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
159 * cppinit.c (builtin_array): Update.
160 (init_builtins): Flag builtins to warn if redefined or
161 undefined. Define __GXX_WEAK as a normal macro.
162 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
163 * cpplib.h (NODE_WARN): New flag.
164 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
165 Handle __STDC__ as a builtin only on Solaris.
166 (warn_of_redefinition): Renamed from check_macro_definition.
167 Reverse sense of test. Always warn if NODE_WARN.
168 (_cpp_create_definition): Use warn_of_redefinition. Flag
169 any macro beginning with "__STDC_" to require a mandatory
170 warning if redefined or undefined.
172 2001-02-24 Zack Weinberg <zackw@stanford.edu>
174 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
175 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
176 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
177 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
178 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
179 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
181 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
182 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
183 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
184 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
185 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
187 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
188 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
191 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
192 Delete now-empty file.
194 * alpha/vms.h: Define NEED_ATEXIT here...
195 * alpha/xm-vms.h: ...not here.
197 * i386/cygwin.h: Don't define PARAMS.
198 * mips/mips.c: Don't prototype mktemp. Don't define
199 P_tmpdir. Use make_temp_file to create temporary files.
200 Don't be clever and delete temporary files early.
201 * config.gcc: Drop references to deleted files. Don't define
203 * gcc.texi: Don't mention USE_PROTOTYPES.
205 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
207 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
208 (ix86_set_move_mem_attrs_1): Likewise.
209 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
210 * config/i386/i386.md (movstrsi): Call it.
212 2001-02-24 Zack Weinberg <zackw@stanford.edu>
214 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
215 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
216 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
217 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
219 (i750a-*-*): Error here if hosting on i750a.
220 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
222 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
223 Remove (empty modulo comments).
225 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
226 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
227 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
228 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
229 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
230 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
232 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
233 Remove reference to winnt.h in comment.
234 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
236 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
238 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
239 used to set another biv.
241 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
243 * tree.h (BLOCK_DEAD): New macro.
244 (struct tree_block): New flag, dead_flag.
245 * print-tree.c (print_node, case 'b'): Print missing fields.
246 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
247 * function.c (identify_blocks): Enable test for misplaced notes.
248 (all_blocks): Skip BLOCK_DEAD blocks.
249 * integrate.c (integrate_decl_tree): Likewise.
251 * errors.c (internal_error, trim_filename): New functions.
252 (fancy_abort): Call internal_error.
253 * errors.h (internal_error, trim_filename): New declarations.
255 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
257 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
259 (EXTRA_CONSTRAINT): Formatting changes.
261 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
263 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
265 2001-02-23 Per Bothner <per@bothner.com>
267 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
268 so they can be called from java/jvspec.c.
269 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
271 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
273 * i386.c (ix86_frame): New structure.
274 (ix86_compute_frame_size): Kill.
275 (ix86_compute_frame_layout): New.
276 (ix86_save_reg): New.
277 (ix86_can_use_return_insn_p): Use frame layout stuff.
278 (ix86_expand_prologue): Likewise.
279 (ix86_expand_epilogue): Likewise.
280 (ix86_initial_elimination_offset): Likewise.
281 (ix86_nsaved_regs): Use ix86_save_reg.
282 (ix86_emit_save_regs): Likewise.
284 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
286 * flow.c (find_sub_basic_blocks): New function.
287 (split_block): Be ready for basic block introduced by CODE_LABEL.
288 (commit_one_edge_insertion): Call find_sub_basic_block.
290 * flow.c (make_edges): Add edge from entry for blocks starting with
291 label having ALTERNATE_NAME
293 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
295 * function.c (epilogue_done): Be ready for first basic block not
296 containing PROLOGUE_END note.
297 (reposition_prologue_and_epilogue_notes): Avoid placing
298 PROLOGUE_END note between BASIC_BLOCK.
300 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
302 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
304 2001-02-21 DJ Delorie <dj@redhat.com>
306 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
307 check for current_function_has_nonlocal_goto from 1999-11-12.
309 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
311 * diagnostic.c (trim_filename): No longer static.
312 * toplev.h (trim_filename): Declare.
313 * rtl.c (rtl_check_failed_bounds): Call internal_error.
314 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
315 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
316 (rtvec_check_failed_bounds): Likewise.
317 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
319 * convert.c (convert_to_integer): Don't do unsigned unless result or
320 both inputs are unsigned.
322 * fold-const.c (fold_convert): Don't call size_int_type_wide if
325 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
327 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
329 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
331 * Makefile.in (resource.o): Add params.h dependence.
332 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
333 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
334 * resource.c: Add dependence on params.h.
335 (current_live_regs): Fix explanatory comment.
336 (find_basic_block): Add new parameter to permit limiting search
338 (mark_target_live_regs): Add new argument to find_basic_block call.
339 (incr_ticks_for_insn): Likewise.
341 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
343 * diagnostic.c (output_to_stream): Rename to
344 output_buffer_to_stream. Loses the stream parameter.
345 (init_output_buffer): Set diagnosic_buffer's stream.
346 (flush_diagnostic_buffer): Adjust.
347 (default_print_error_function): Likewise.
348 (finish_diagnostic): Likewise.
349 (verbatim): Likewise.
351 * diagnostic.h (struct output_buffer): Add `stream' field.
352 (output_buffer_attached_stream): New macro.
354 2001-02-23 Jakub Jelinek <jakub@redhat.com>
356 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
357 check if either operand is divisible by C.
358 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
359 If type is signed, consider negative numbers as well.
361 2001-02-22 Richard Henderson <rth@redhat.com>
363 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
364 reach .text instead of gp-relative relocs.
365 * config/ia64/crtend.asm (.init): Likewise.
367 2001-02-22 Andreas Jaeger <aj@suse.de>
369 * extend.texi (C++ Attributes): Fix typo.
371 2001-02-21 David Mosberger <davidm@hpl.hp.com>
373 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
374 functions, drop current_function_args_info.words test.
375 (ia64_compute_frame_size): Mark syscall_linkage functions as
376 using eight input registers.
378 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
379 Bruce Korb <bkorb@gnu.org>
381 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
382 * fixinc/README: Document how to convert sed substitutions
383 to format style c_fix-es.
384 * fixinc/fixincl.x: regen
386 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
388 * gcc.c: Add comment explaining how to add a command-line option.
389 Add title to specs language comment.
391 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
393 * gcc.c (cc1_options): Add "-param".
394 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
395 (option_map): Likewise.
396 * toplev.c (display_help): Add entry for "--param".
397 (independent_decode_option): Fix typographical error.
399 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
400 Bernd Schmidt <bernds@redhat.com>
401 Jan Hubicka <jh@suse.cz>
403 * i386.c (function_arg_advance): Pass SSE arguments in registers.
404 (function_arg): Likewise.
406 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
408 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
410 2001-02-21 Kazu Hirata <kazu@hxi.com>
412 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
416 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
418 * flow.c (init_propagate_block_info): Canon address and use single_set
419 for killing dead memory stores.
421 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
423 * Makefile.in (reorg.o): Add params.h dependence.
424 * params.def: Fix typographical error in comment.
425 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
426 * params.h: Modify introductory comment.
427 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
428 * reorg.c: Add dependence on params.h.
429 (redundant_insn): Add parameterized throttle for search.
430 (fill_simple_delay_slots): Add a comment explaining a variable.
431 Move conditional out of loop, simplifying code.
432 (fill_eager_delay_slots): Fix typographical error in comment.
434 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
436 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
438 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
439 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
441 2001-02-21 Jason Merrill <jason@redhat.com>
443 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
444 (struct tree_decl): Add uninlinable bitfield.
445 * c-decl.c (duplicate_decls): Set it.
446 * integrate.c (function_cannot_inline_p): Check it.
448 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
449 DW_AT_MIPS_linkage_name to abstract methods.
450 (dwarf2out_abstract_function): Emit class context before calling
451 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
452 (gen_subprogram_die): Remove obsolete code.
453 (gen_member_die): Don't include clones in the member list.
454 (gen_decl_die): Emit abstract info for clone origin.
455 * dwarfout.c (output_type): Don't include clones in the member list.
456 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
457 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
458 DECL_ABSTRACT on a function that already has it set.
460 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
461 (get_subprogram_die): Pass it in.
463 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
465 * flow.c (mark_set_1): Make not_dead unsigned long. For
466 non-pseudos, use it as a bitmask of the hard regs that
469 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
471 * cppfiles.c: Update comments.
472 (_cpp_read_file): Don't check for NULL filenames any more.
473 * cppinit.c (cpp_start_read): Don't do canonicalization of
474 in_fname and out_fname. Use the passed file name exclusively.
475 (_cpp_handle_options): Don't treat "-" as a command line option,
476 but as a normal filename.
477 (_cpp_post_options): Canonicalize in_fname and out_fname.
478 * cppmain.c (printer_init): Don't check out_fname for NULL.
479 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
480 (init_c_lex): Update, and use "" to represent stdin to CPP.
483 2001-02-20 Will Cohen <wcohen@redhat.com>
485 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
486 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
487 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
490 2001-02-20 Stan Shebs <shebs@apple.com>
492 * config/rs6000/rs6000.c (output_cbranch): Output branches
493 on separate lines instead of using ';' to separate.
495 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
497 * cppinit.c (set_lang): Move builtin handling to...
498 (init_builtins): ...here.
499 (_cpp_create_reader): Move call to set_lang.
501 2001-02-20 Mark Mitchell <mark@codesourcery.com>
503 * stmt.c (expand_return): If an attempt is made to return the
504 error_mar_node, treat the return like a return without a value.
506 2001-02-19 Zack Weinberg <zackw@stanford.edu>
508 * sibcall.c (skip_copy_to_return_value): Call
509 identify_call_return_value here, and return orig_insn if it
510 returns zero. Hardret and softret arguments now unnecessary.
511 (call_ends_block_p): Don't call identify_call_return_value here.
513 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
515 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
516 * ggc.h (ggc_mark_if_gcable): Delete prototype.
518 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
520 * pa.c (move_operand): Accept code to load the address of a
521 symbol out of the DLT as a valid move operand.
522 (print_operand, case 'A'): New to handle generating a DLT
523 reference for a LO_SUM expression.
524 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
525 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
527 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
529 * README, cpp.texi, gcc.texi, version.c: Update version number to
531 * cpp.1, gcov.1, gcc.1: Regenerate.
533 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
535 * cppfiles.c (stack_include_file): Generate dependencies
536 here, and manage include_count here too.
537 (PRINT_THIS_DEP): Delete.
538 (_cpp_execute_include): Do not generate dependencies here,
539 apart from the case of a missing header. Do not manage
541 (_cpp_read_file): Leave dependency generation to
544 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
546 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
547 target_cpu_default. Remove dead assignment to
550 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
552 * regclass.c (contains_reg_of_mode): Make global.
553 (init_reg_sets): Remove contains_reg_of_mode; take into account
554 CLASS_MAX_NREGS when looking for the proper mode.
555 (dump_regclass): Dump only classes considered for the pseudo.
556 (regclass): Use contains_reg_of_mode.
558 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
560 * gcc.c (do_spec_1): 'n' for printing notices.
561 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
563 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
565 * reg-stack.c (next_flags_user): Use current_block->end
566 (swap_rtx_condition): Look for next user if flags don't die;
567 give up on CALL_INSNs; use current_block->end.
569 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
571 * sibcall.c (call_ends_block_p): New function.
572 (optimize_sibling_and_tail_recursive_call): Use it.
574 2001-02-18 Kazu Hirata <kazu@hxi.com>
576 * config/h8300/h8300.md: Update copyright.
577 (andsi3): Do not output an extra newline character.
579 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
581 * toplev.c (note_deferral_of_defined_inlined_function): Argument
582 FNDECL may be unused.
584 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
585 follow jumps after first run.
586 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
587 it doesn't change any jumps.
589 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
591 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
592 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
593 (mostlyclean): Corresponding changes.
594 * rtlanal.c (hard-reg-set.h): Include.
595 (rtx_unstable_p): Do not treat the argument pointer specially
596 if it is not a fixed register.
597 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
599 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
601 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
602 against last real insn in basic block.
603 Rework to avoid gotos.
605 * Makefile.in (gcse.o): Now includes ggc.h.
606 * gcse.c: Include ggc.h.
607 (want_to_gcse_p): Verify expression can be in SET as valid insn.
608 (try_replace_reg): Remove warning of uninitialize variable.
609 (process_insert_insn): Call invalid_insn_p to validate insn.
610 * recog.c (insn_invalid_p): Now global.
611 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
612 * recog.h (insn_invalid_p): New declaration.
614 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
616 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
617 assignments from FP constants since 'Y' output code can't handle it.
618 (eligible_for_sibcall_delay): Likewise.
620 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
621 Call fancy_abort directly, passing args.
622 (print_rtl_and_abort): Now a macro, like fancy_abort.
624 * final.c (output_operand_lossage): Use internal_error, not error.
626 2001-02-18 Shane Nay <shane@agendacomputing.com>
628 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
629 structure shift insns.
631 2001-02-18 Mark Mitchell <mark@codesourcery.com>
633 * invoke.texi (-fsquangle): Remove documentation.
634 (-fname-mangling-version): Likewise.
636 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
638 * optabs.c (expand_abs): Remove reference to
639 HAVE_contitional_arithmetic.
640 * combine.c (simplify_set): Likewise.
642 2001-02-18 Richard Henderson <rth@redhat.com>
644 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
647 2001-02-18 Richard Henderson <rth@redhat.com>
649 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
651 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
653 * reload1.c (reload_cse_simplify_set): Fix typo.
655 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
657 * diagnostic.c (_fatal_insn): Decrement errorcount.
659 * invoke.texi (-I): Add note avoiding use for system header files.
661 * rtl.h (add_clobbers): Remove duplicate declaration.
662 * recog.h (added_clobbers_hard_reg_p): New declaration.
663 * genemit.c (struct clobber_pat): New field has_hard_reg.
664 (gen_insn): Record if added clobbers clobber hard reg.
665 (gen_split): Avoid unused warning if number of operands is 0.
666 (output_added_clobbers_hard_reg_p): New function.
669 2001-02-18 Alan Modra <alan@linuxcare.com.au>
671 * pa.c (hppa_expand_prologue): Simplify code storing return
672 pointer. For large (>=8k) frames with a post_store, adjust stack
673 pointer by 8k-64 first rather than by 64. When testing with
674 VAL_14_BITS_P, always use the actual value rather than the value
675 negated. Add blockage to prevent scheduling of spills before
676 stack frame has been created.
677 (hppa_expand_epilogue): Simplify code loading return pointer.
678 Allow a slightly larger range for merge_sp_adjust_with_load case.
679 When testing with VAL_14_BITS_P, always use the actual value.
681 * pa.c (pa_adjust_insn_length): Check that block move
682 pattern is a set before looking at operands.
684 2001-02-17 Mark Mitchell <mark@codesourcery.com>
686 * fold-const.c (fold_binary_op_with_conditional_arg): New
687 function, split out from ...
689 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
690 conditional arms that throw exceptions.
692 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
695 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
697 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
698 define HAVE_DECL_* to 1 to mask potential backup declarations.
699 * configure: Regenerated.
701 2001-02-17 Mark Mitchell <mark@codesourcery.com>
703 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
705 2001-02-17 Richard Henderson <rth@redhat.com>
707 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
708 when replacing a memory load with a register.
710 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
711 Jan Hubicka <jh@suse.cz>
713 * recog.c (validate_replace_src_1): New.
714 (validate_replace_src_data): Likewise.
715 (validate_replace_src): Use note_uses.
716 * rtl.h (note_uses): Declare.
717 * rtlanal.c (note_uses): New.
719 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
721 * reg-stack.c (stack_def): Make field reg unsigned.
722 (remove_regno_note): Unsignetize parameter.
724 2001-02-16 Jes Sorensen <jes@linuxcare.com>
726 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
727 shladd_operand() call.
729 2001-02-16 Bruce Korb <bkorb@gnu.org>
730 Rodney Brown <RodneyBrown@mynd.com>
732 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
733 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
735 * fixinc/fixincl.x: regen
737 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
739 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
741 (hash_scan_insn): Clean up calls to hash_scan_set.
742 (compute_kill_rd): REGNO now unsigned.
743 (try_replace_reg): Rework to use simplify_replace_rtx.
744 (cprop_jump, cprop_cc0_jump): Likewise.
745 (cprop_insn): Call find_reg_equal_equiv_note.
746 Reflect changes to cprop_jump and cprop_cc0_jump.
748 * recog.c (validate_replace_src): Replace in operands of
749 ZERO_EXTRACT in SET_DEST.
751 * cse.c (new_label_ref): New variable.
752 (insert): Set it instead of recorded_label_ref.
753 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
754 CODE_LABEL for this function, and not already in REG_LABEL note.
756 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
758 * resource.c (mark_referenced_resources): Fix typo in introductory
760 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
763 2001-02-16 Jason Merrill <jason@redhat.com>
765 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
767 (gen_subprogram_die): Don't abort on seeing a second definition if
768 the previous one was abstract. Don't replace an abstract instance
771 * dwarf2out.c (dwarf2out_abstract_function): Rename from
772 gen_abstract_function.
773 * dwarf2out.h: Declare it.
774 * toplev.c (note_outlining_of_inline_function): New fn.
775 * toplev.h: Declare it.
776 * integrate.c (output_inline_function): Call it.
777 * c-decl.c (duplicate_decls): Call it when redefining an extern
778 inline. Don't inline the new defn.
780 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
782 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
784 * .gdbinit: Rename to gdbinit.in.
785 * gdbinit.in: New file,
786 * configure.in: Generate .gdbinit from gdbinit.in.
787 * configure: Regenerated.
788 * Makefile.in (distclean): Always remove .gdbinit.
790 2001-02-16 Jakub Jelinek <jakub@redhat.com>
792 * objc/objc-act.c (start_class): Register implemented_classes with
795 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
797 * cppfiles.c (_cpp_make_system_header): Generate a file
800 2001-02-15 Jim Meyering <meyering@lucent.com>
802 * Makefile.in (install-common): Don't depend on installdirs here.
803 Instead, make each of the lang.install-common targets (e.g.,
804 c++.install-common in cp/Make-lang.in) depend on it.
805 (install-driver): Depend on installdirs.
807 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
809 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
811 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
814 2001-02-15 Mark Mitchell <mark@codesourcery.com>
816 * invoke.texi (--param): Document.
818 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
820 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
822 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
824 * i386.md (extendsfdf2_2): Fix constraints.
826 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
828 * i386.md (fop_df_3 splitter): Fix operand number.
830 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
832 * invoke.texi (-mreg-alloc): Nuke.
833 * i386.c (ix86_reg_alloc_order, regs_allocated,
834 order_regs_for_local_alloc): Nuke.
835 (override_options): Kill reg_alloc code.
836 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
837 (REG_ALLOC_ORDER): SSE goes before I387.
838 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
839 (ix86_reg_alloc_order): Likewise.
840 * i386-protos.h (ix86_reg_alloc_order): Kill.
842 2001-02-14 Richard Henderson <rth@redhat.com>
844 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
846 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
848 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
850 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
852 * i386-protos.h (ix86_memory_move_cost): Move offline.
853 * i386.c (ix86_register_move_cost): Compute properly cost of
854 SSE, MMX and i387 instructions.
855 (*_cost): Add costs of SSE/MMX moves.
856 (ix86_memory_move_cost): Move offline from ....; Likewise.
857 * i386.h (MEMORY_MOVE_COST): .... here;
858 (struct processor costs): Add new fields to represent costs
861 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
863 * regclass.c (init_reg_sets_1): Reinstall the optimization of
864 move_cost together with Matt Kraai's fix.
866 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
868 * Makefile.in (OBJS): Add params.o.
870 2001-02-14 Richard Henderson <rth@redhat.com>
871 DJ Delorie <dj@redhat.com>
873 * jump.c (jump_optimize_1): When we delete a conditional jump
874 preceeding a non-conditional jump to effectively the same place,
875 make sure that the combined jump skips any clobber insns between
878 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
880 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
882 2001-02-14 Mark Mitchell <mark@codesourcery.com>
884 * Makefile.in (toplev.o): Depend on params.h.
885 (intergate.o): Likewise.
886 (params.o): New target.
887 * flags.h (inline_max_insns): Remove.
888 * integrate.c: Include params.h.
889 Use MAX_INLINE_INSNS instead of inline_max_insns.
890 * params.c: New file.
891 * params.h: Likewise.
892 * params.def: Likewise.
893 * toplev.c: Include params.h.
894 (lang_independent_params): New variable.
895 (decode_f_option): Use the param machinery instead of setting
897 (independent_decode_option): Handle "--param name=value".
898 (main): Register language-independent parameters.
900 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
902 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
904 2001-02-14 Richard Henderson <rth@redhat.com>
906 * regclass.c (init_reg_sets_1): Revert last two changes.
908 2001-02-14 Jakub Jelinek <jakub@redhat.com>
910 * stor-layout.c (is_pending_size, put_pending_size): New functions.
911 (variable_size): Call put_pending_size.
912 * tree.h (is_pending_size, put_pending_size): Add prototypes.
913 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
914 sizes list, put newly created SAVE_EXPR there as well.
916 2001-02-14 Jakub Jelinek <jakub@redhat.com>
918 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
919 (errata_find_address_regs): load_group has only 2 entries.
920 (errata_emit_nops): Likewise. shladd is not problematic.
921 Clear last_group if nop was emitted.
922 (fixup_errata): load_group has only 2 entries.
925 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
927 * c-lex.c (lex_number): Only warn traditionally for U suffix
928 outside system macros.
929 * cppexp.c (parse_number): Similarly.
930 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
931 * cppmacro.c (struct cpp_macro): New member node.
932 (parse_args): Only warn about missing rest args if not
934 (funlike_invocation_p): Similarly for uninvoked funlike macros.
935 (cpp_sys_objmacro_p): New.
936 (_cpp_create_definition): Store the node with the macro defn.
937 Remember if the macro is defined in a system header.
939 2001-02-13 DJ Delorie <dj@redhat.com>
941 * configure.in (check_languages): determine languages to check
942 * Makefile.in (check-c++): alias for check-g++
943 (check-f77): alias for check-g77
944 (CHECK_TARGETS): depend on configured languages
946 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
948 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
949 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
950 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
951 (sqrtextendsfdf2): Disable for SSE2.
953 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
955 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
956 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
957 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
958 (sqrtextendsfdf2): Disable for SSE2.
960 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
962 * i386.md (movsfcc_1): Support integer cmove instruction.
963 (movdfcc_1): Likewise; new splitter.
965 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
967 * i386.c (output_fp_compare): Support SSE.
968 (prepare_fp_compare_args): SSE comparisons always support memory.
969 * i386.h (TARGET_CMOVE): SSE imply cmove.
970 * i386.md (cmp?f2): Enable for SSE too.
971 (cmpfp_i*): Support SSE.
973 (cmpfp_i_sse_only): New.
974 (s*, b* fp expanters): Enable for SSE too.
975 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
978 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
980 * regclass.c (init_reg_sets_1): Silence warning.
982 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
984 * i386.md (sqrt?f2): Change to expander.
985 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
987 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
989 * rtlanal.c (find_reg_equal_equiv_note): New function.
990 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
991 (simplify_gen_relational, simplify_replace_rtx): Likewise.
992 * rtl.h: Add declarations for above functions.
994 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
996 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
998 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
999 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1000 * flow.c (mark_regs_live_at_end): Likewise.
1001 (calculate_global_regs_live): Likewise.
1002 * gcse.c (compute_hash_table): Likewise.
1003 (compute_kill_rd): Likewise.
1004 * resource.c (mark_target_live_regs): Likewise.
1005 * rtl.h (INVALID_REGNUM): New macro.
1007 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1009 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1011 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1013 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1016 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1018 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1020 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1021 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1022 (fop_sf_1_sse, fop_df_1_sse): New patterns
1023 (fop_*): Disable float_extend and float patterns for SSE compilation.
1024 * i386.c (output_387_binary_op): Support SSE.
1026 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1028 * i386.md (dummy_extendsfdf2): Support SSE2
1029 (extendsfdf2): Enable if 80387 or SSE2.
1030 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1031 and no MIX_I387_SSE2
1032 (extendsfdf2_1_sse_only): New pattern.
1033 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1035 (truncdfsf2_1): Support SSE.
1036 (truncdfsf2_2): Support SSE.
1037 (truncdfsf2_2_1_sse): New pattern.
1038 (fixtruncsfsi2): Always use SSE if available.
1039 (fix_truncsfsi_sse): New pattern.
1040 (fix_truncdfsi_sse): New pattern.
1041 (floatsis?f2): Support SSE.
1042 (floatsidf2_i387): New pattern.
1043 (floatsidf2_sse): Likewise.
1045 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1047 * configure.in: Use "have_gnat" variable, not "gnat".
1048 * configure: Regenerated.
1050 * config/sparc/sparc.c (function_value): Treat all non-record
1051 aggregate types like used to treat UNION_TYPE.
1053 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1055 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1056 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1058 (MASK_MIX_SSE_I387): New.
1059 (TARGET_SSE): SSE2 imply SSE.
1060 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1061 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1062 (enum reg_class): Add new classes.
1063 (REG_CLASS_NAMES): Likewise.
1064 (REG_CLASS_CONTENTS): Likewise.
1065 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1066 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1067 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1068 (CLASS_MAX_NREGS): Use new macros.
1069 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1070 * i386.md (pushsf, movsf): Support SSE.
1071 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1072 splitters to use ANY_FP_REGNO_P.
1073 (movdf_nointeger, movdf_integer): Likewise.
1075 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1077 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1078 (try_combine): Use it.
1080 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1082 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1083 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1084 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1085 (REGISTER_MOVE_COST): Likewise.
1086 * i386-protos.h (ix86_secondary_memory_needed,
1087 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1088 * i386.c (ix86_secondary_memory_needed,
1089 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1091 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1093 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1094 (HARD_REGNO_MODE_OK): Move offline to ....
1095 * i386.c (ix86_hard_regno_mode_ok) ... here;
1096 refuse all incorrect modes.
1097 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1099 2001-02-13 Richard Henderson <rth@redhat.com>
1101 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1102 entire operator; replicate that and match_dup the operands.
1103 (cmp_ccx_arith_op_set): Likewise.
1104 (cmp_cc_arith_op_not_set): Likewise.
1105 (cmp_ccx_arith_op_not_set): Likewise.
1107 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1109 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1111 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1113 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1114 (TARGET_NO_BITFIELD_WORD): New macro.
1115 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1116 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1118 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1120 * cselib.c: New file, from simplify-rtx.c.
1121 * simplify-rtx.c: Remove cselib parts.
1122 * Makefile.in: Add cselib.o.
1124 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1126 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1127 (setup_incoming_varargs): Remove warning.
1129 * config/rs6000/rs6000.c (validate_condition_mode): When
1130 flag_fast_math, allow floating-point conditionals to be reversed.
1131 (rs6000_generate_compare): When flag_fast_math, don't generate
1132 cror operations for FP conditionals.
1134 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1136 (ASM_SPEC): Likewise.
1137 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1138 (CC1_SPEC): Likewise.
1139 (LINK_TARGET_SPEC): Likewise.
1140 (CPP_ENDIAN_SPEC): Likewise.
1141 * Makefile.in (check-consistency): New target.
1143 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1145 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1146 "return type defaults" warning for functions with return type
1148 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1149 function declarations by default rather than only when pedantic.
1151 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1153 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1156 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1158 * extend.texi (Deprecated): Deprecate new initializer lists.
1160 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1162 * mkdeps.c (deps_add_default_target): Robustify. Add
1163 basename component only.
1164 * cpp.texi (-M): Describe how default target is generated.
1165 * invoke.texi (-M): Likewise.
1167 2001-02-12 Kazu Hirata <kazu@hxi.com>
1169 * toplev.c (push_float_handler): Remove.
1170 (pop_float_handler): Remove.
1171 * toplev.h: Remove prototypes for the above functions.
1173 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1175 * c-common.c (constant_fits_type_p): New function.
1176 (convert_and_check): Use it.
1178 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1180 * Makefile.in (GXX_ABI_FLAG): Don't define.
1181 * configure.in (--enable-new-gxx-abi): Remove option.
1182 * config.in: Regenerated.
1183 * configure: Likewise.
1185 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1187 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1189 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1190 regular basic block, and arrange for all edges into it to switch
1193 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1195 * Makefile.in (distclean): Do not remove .gdbinit.
1197 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1199 * Makefile.in (gcc.o): Fix typos.
1200 (protize.o): Likewise.
1201 (unprotoize.o): Likewise.
1203 2001-02-11 Richard Henderson <rth@redhat.com>
1205 * tree.c (build1): Check for null operand in last change.
1207 2001-02-11 Richard Henderson <rth@redhat.com>
1209 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1210 (fold): Don't assume a constant isn't foldable.
1211 * tree.c (build): Set TREE_CONSTANT for an expression with no
1212 side-effects and constant operands.
1215 2001-02-10 Richard Henderson <rth@redhat.com>
1217 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1219 2001-02-10 Anthony Green <green@redhat.com>
1221 * cpp.texi (Standard Predefined): Add documentation for
1224 * c-common.c (combine_strings): Improve warning message.
1226 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1228 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1230 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1232 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1234 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1237 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1239 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1242 2001-02-09 Nick Clifton <nickc@redhat.com>
1244 * config/arm/arm.md: Change output contraint on post inc
1245 load/store multiple patterns to be a read/write contraint.
1247 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1249 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1250 .o files when using the -M options.
1252 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1253 David Edelsohn <edelsohn@gnu.org>
1255 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1256 handle DImode constants. Use one TOC entry for SImode and smaller
1257 constants, aligned properly.
1259 2001-02-08 Jason Merrill <jason@redhat.com>
1261 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1262 about the SP adjustment for saving the static chain pointer.
1263 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1264 offset when setting a temporary CFA register.
1266 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1268 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1269 powerpc-*-chorusos* .
1270 * config/rs6000/chorus.h : New file.
1271 * config/i386/chorus.h : New file.
1272 * config/sparc/chorus.h : New file.
1273 * config/sparc/t-chorus-elf : New file.
1275 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1277 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1278 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1279 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1280 (__WCHAR_TYPE__): Correct macro name.
1282 2001-02-08 Richard Henderson <rth@redhat.com>
1284 * config/i386/i386.c (ix86_frame_pointer_required): New.
1285 (ix86_setup_frame_addresses): New.
1286 (struct machine_funciton): Add accesses_prev_frame.
1287 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1288 ix86_frame_pointer_required.
1289 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1290 (SETUP_FRAME_ADDRESSES): New.
1291 * config/i386/i386-protos.h: Update.
1292 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1293 from FRAME_POINTER_REQUIRED.
1294 * config/i386/svr3gas.h: Likewise.
1295 * config/i386/sysv3.h: Likewise.
1296 * config/i386/v3gas.h: Likewise.
1298 2001-02-08 Richard Henderson <rth@redhat.com>
1300 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1301 calculation of the number of integer registers required.
1302 (function_arg_record_value): Likewise.
1304 2001-02-08 Jason Merrill <jason@redhat.com>
1306 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1307 two. Print file and line with "confused" message.
1309 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1311 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1313 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1315 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1317 * final.c (cleanup_subreg_operands): The address of a MEM can
1320 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1323 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1325 * gcc.texi (Incompatibilities): Update documentation of
1326 preprocessing numbers.
1328 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1330 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1332 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1334 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1336 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1337 * gcc.c (struct compiler): Add cpp_spec field.
1338 (input_file_compiler): New variable.
1339 (do_spec_1): Allow a particular compiler to handle `%C'
1341 (main): Store the current compiler in input_file_compiler.
1342 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1344 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1346 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1347 * cppinit.c (cpp_create_reader): Initialize them.
1348 (append_include_chain): cxx_aware arg might be unused.
1349 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1350 keywords and give them their phase 7 meaning. Pedwarn about
1351 this unless '__bool_true_false_are_defined' is defined.
1353 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1355 * lcm.c (optimize_mode_switching): Emit mode_set before the
1356 JUMP_INSN of an abnormal edge.
1358 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1360 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1361 a scheduling barrier at the end.
1363 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1365 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1367 * config/sh/sh.md (reload_outsf): Removed.
1368 (movsf_ie): Introduce constraints for FPUL loads and stores.
1369 (reload_insf): Broaden the output constraint.
1371 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1373 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1374 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1376 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1378 * final.c: Revert my previous changes.
1379 * output.h: Make profile_label_no extern.
1380 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1381 for generating label.
1383 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1385 * config/i386/djgpp.h: Add comments about standard paths.
1386 (MD_EXEC_PREFIX): Undefine before defining.
1387 (MD_STARTFILE_PREFIX): New.
1389 2001-01-30 Bruce Korb <bkorb@gnu.org>
1391 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1392 (load_file): do not rely on load_file_data() to close file pointer
1393 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1394 fixinc/inclhack.def(irix_limits_const): add test_text
1396 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1398 * cppexp.c (parse_defined): Improve diagnostics for invalid
1401 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1403 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1405 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1407 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1408 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1409 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1410 (rs6000_output_symbol_ref): New function.
1411 (output_toc): Use VTABLE_NAME_P.
1413 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1415 * print-tree.c (print_node, case PARM_DECL):
1416 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1418 * stor-layout.c (reference_types_internal): New variable.
1419 (internal_reference_types): New function.
1420 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1421 * tree.h (internal_reference_types): New declaration.
1423 * cse.c (find_best_addr): Fix typo in computing cost.
1425 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1427 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1428 and this is the sum of a pointer and a constant, we know the result
1430 (num_sign_bit_copies, case PLUS): Likewise.
1431 * explow.c (convert_memory_address): Remove opposite SUBREG.
1432 * function.c (instantiate_new_reg): New function (from common code).
1433 (instantiate_virtual_regs_1): Call it.
1434 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1435 if pointers sign- or zero-extend.
1436 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1437 If pointers extend unsigned, use inside of SUBREG.
1438 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1440 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1442 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1443 subdir of gcc_gxx_include_dir.
1444 (gcc_gxx_target_include_dir): Remove.
1446 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1448 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1449 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1450 a high-level description.
1452 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1454 * final.c: Move the declaration of profile_label_no to ...
1455 * output.h: ... here.
1456 * function.c (expand_function_start): Call PROFILE_HOOK.
1457 * config/rs6000/aix.h: Define PROFILE_HOOK.
1458 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1459 * config/rs6000/rs6000.c (output_profile_hook): Define.
1460 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1461 output_profile_hook.
1462 tm.texi : Explain new macro PROFILE_HOOK.
1464 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1466 * extend.texi (Extended Asm): Do not say that semicolon is always
1467 a valid line-breaking character for GNU assemblers. Use
1468 newline-tab as the most commonly supported syntax. Use
1469 newline-tab rather than semicolon in multi-insn examples.
1471 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1473 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1475 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1476 David Edelsohn <edelsohn@gnu.org>
1478 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1479 code for AIX, even without flag_pic.
1481 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1483 * c-typeck.c (common_type): push and pop binding level around
1484 calling common_type on function parameters.
1486 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1488 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1490 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1492 * config/mips/mips.c (override_options): Fix typo in last change.
1493 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1494 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1496 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1498 * invoke.texi (-fdump-class-layout): Document.
1499 (-fdump-translation-unit): Use `=' as filename separator.
1501 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1503 * Makefile.in (s-mlib): Don't build multilibs if
1505 (DRIVER_DEFINES): Adjust accordingly.
1507 (protoize.o): Likewise.
1508 (unprotoize.o): Likewise.
1509 * configure.in: Recognize --enable-multilib.
1511 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1513 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1515 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1516 * configure.in: Remove --enable-libstdcxx_v3 support.
1517 * configure: Regenerated.
1519 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1521 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1522 Call abort instead of fatal.
1523 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1524 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1525 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1526 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1527 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1528 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1530 * diagnostic.h (set_internal_error_function): Renamed.
1531 * toplev.h (internal_error): Renamed from fatal.
1532 (pfatal_with_name): Deleted.
1533 (fatal_io_error): Now has printf-style arguments.
1534 * diagnostic.c (pfatal_with_name): Deleted.
1535 (fatal_io_error): Rework to have args in printf-style.
1536 (set_internal_error_function): Renamed from set_fatal_function.
1537 (internal_error): Renamed from fatal.
1538 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1539 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1540 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1541 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1542 * flow.c (verify_flow_info): Likewise.
1543 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1544 * config/mips/mips.c (save_restore_insns): Likewise.
1546 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1547 * flow.c (verify_flow_info): Likewise.
1548 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1549 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1550 (avr_normalize_condition): Likewise.
1551 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1552 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1553 (limit_reload_class, double_reg_to_memory): Likewise.
1554 (print_operand_address, emit_1600_code_shift): Likewise.
1555 (gen_tst_reg, gen_compare_reg): Likewise.
1556 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1557 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1559 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1561 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1562 * objc/objc-act.c (build_ivar_chain): Likewise.
1563 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1565 * graph.c (clean_graph_dump_file): Likewise.
1566 * profile.c (init_branch_prob): Likewise.
1567 * objc/objc-act.c (objc_init): Likewise.
1569 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1570 * config/avr/avr.c (avr_override_options): Likewise.
1571 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1572 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1573 * config/h8300/h8300.c (h8300_init_once): Likewise.
1574 * config/mips/mips.c (override_options): Likewise.
1575 * config/i386/i386.c (override_options): Likewise, rework.
1576 * config/m68k/m68k.c (override_options): Likewise.
1578 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1580 * config/mips/mips.c (print_operand): Likewise.
1581 * hash.c (hash_allocate): Don't check for failure returns from
1582 obstack functions that can't fail.
1583 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1584 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1585 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1586 (get_object_reference): Likewise.
1588 2001-02-04 Nick Clifton <nickc@redhat.com>
1590 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1591 StrongARM1110, 10TDMI, and 1020T.
1593 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1595 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1597 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1599 * config/sh/sh.md (movdf load split): Pass register number to
1600 FP_OR_XD_REGISTER_P.
1602 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1604 * cppinit.c (BC): New macro.
1605 (builtin_array): Add __GXX_WEAK__.
1606 * cpplib.h (builtin_type): Add BT_WEAK.
1607 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1608 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1609 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1611 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1613 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1615 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1617 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1618 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1620 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1622 * cpphash.h: Rename ALIGN _ALIGN.
1623 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1625 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1627 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1628 compilation environment.
1629 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1630 control over location of cygwin includes and libs.
1632 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1634 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1636 2001-02-02 lars brinkhoff <lars@nocrew.org>
1638 * md.texi (Standard Names): remove reference to spur.md.
1640 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1642 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1643 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1644 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1645 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1646 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1648 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1650 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1651 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1652 number before reload.
1653 (c4x_adjust_cost): Return zero before reload.
1654 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1655 split before reload.
1657 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1659 * c4x.c (c4x_hard_regno_rename_ok): New.
1660 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1661 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1663 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1665 * diagnostic.h: Add missing "extern" in all declarations.
1667 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1669 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1670 as for gcc_gxx_include_dir.
1672 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1674 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1676 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1678 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1679 label before alignment to be used as the braf base address.
1680 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1682 (casesi_jump_2): Require at least TARGET_SH2.
1684 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1685 truncation to 32-bit doubles on -m3e and -m4-single-only.
1687 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1689 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1690 the default when building a shared object.
1691 (init_spec): Use it.
1692 * testsuite/lib/g++.exp: Include the directory where libgcc
1693 is located to the LD_LIBRARY_PATH list.
1694 * invoke.texi (-shared-libgcc): Document the cases in which
1695 GCC defaults to using the shared libgcc.
1697 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1699 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1700 unsigned is wide enough.
1702 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1703 (si_to_float): Likewise.
1704 (float_to_si, float_to_usi): Use BITS_PER_SI.
1706 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1708 * dwarf2out.c: Added explanation of abbreviations.
1709 (def_cfa_1): Added comments listing DWARF2 instructions.
1710 (cfa_temp_reg): Removed in favor of cfa_temp.
1711 (cfa_temp_value): Removed in favor of cfa_temp.
1712 (cfa_temp): New global variable.
1713 (dwarf2out_frame_debug_expr): Added extensive introductory
1714 comments explaining the function's transformations. Revised to
1715 use cfa_temp. Added some rtx checking. Generalize IOR case.
1716 (dwarf2out_frame_debug): Revised to use cfa_temp.
1717 (output_aranges): Cast as "unsigned" to avoid warning.
1718 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1719 explain which instructions must be marked.
1721 2001-02-01 Richard Henderson <rth@redhat.com>
1723 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1726 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1728 * config/sh/crt1.asm (main_k): Modified so that start calls
1729 ___setup_argv_and_call_main.
1731 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1733 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1734 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1735 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1736 * cppmacro.c (builtin_macro): Set builtin flags here.
1737 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1738 (replace_args): Clarify intent.
1739 (cpp_get_token): Macro expansion tokens get the saved flags.
1741 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1744 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1746 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1749 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1751 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1752 returns Pmode pseudo, but we need ptr_mode.
1753 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1754 Remove bogus conversions; use HOST_WIDE_INT for size.
1755 Don't use TARGET if wrong mode.
1757 * config/i386/i386.c (ix86_compute_frame_size): Allow
1758 stack_alignment_needed to be non-default even if size is zero.
1760 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1762 * (hppa_init_pic_save): Emit the pic offset table
1763 reg save after last_parm_insn.
1764 * pa.c (hppa_init_pic_save): New function.
1765 * pa.h (hppa_init_pic_save): Declare.
1766 * pa.md (call, call_value, sibcall, sibcall_value): Use
1767 the above instead of duplicated code.
1769 * pa.c (hppa_encode_label): Correct size of alloca buffer
1770 so we don't overrun it. Correct leading `*' case.
1771 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1772 need to handle `*@'.
1773 (FUNCTION_NAME_P): Likewise.
1775 2001-01-31 Richard Henderson <rth@redhat.com>
1777 * config.gcc (alpha-osf5): Use float-i128.h.
1779 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1780 * config/float-i32.h: Likewise.
1781 * config/float-i64.h: Likewise.
1782 * config/float-sh.h: Likewise.
1783 * config/float-sparc.h: Likewise.
1785 2001-01-31 DJ Delorie <dj@redhat.com>
1787 * expmed.c (extract_bit_field): allow non-integral modes if we
1788 want to extract a whole register from itself.
1790 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1792 * c-typeck.c (set_init_index): If first is equal to last, assume as
1793 if it was not a range at all.
1795 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1797 * config/fp-bit.c: Include tm.h.
1798 (float_to_si): Don't assume SImode is 32-bits wide.
1799 (float_to_usi): Likewise.
1801 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1803 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1805 (typename): Call pending_xref_error after parsing typed_typespecs.
1806 * c-decl.c (lookup_tag): Give error immediately rather than
1807 leaving it pending if the tag of the wrong type is in the same
1809 (xref_tag): Don't pedwarn for forward declarations of enum types
1811 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1814 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1816 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1818 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1820 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1821 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1823 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1825 * cpphash.h (struct cpp_reader): New saved_flags.
1826 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1827 to avoid a paste after a pasted token.
1829 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1831 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1832 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1833 Wtype_MIN instead of LONG_MIN.
1835 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1837 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1839 * fixinc/fixincl.x: Regenerated.
1840 * fixinc/inclhack.def (irix_limits_const): New definition to
1841 convert "const" to "__const" in limits.h.
1843 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1845 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1847 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1849 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1850 when register dies in the insn.
1852 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1854 * diagnostic.c (fatal): Fix word wrap.
1856 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1858 * combine.c (try_combine): Fix SUBREG setting for
1859 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1861 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1863 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1866 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1868 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1870 * toplev.c (decode_W_option): Update warn_larger_than
1871 unconditionally for each processed switch.
1873 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1875 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1877 (hppa_expand_prologue): Delete code to save pic offset table register
1878 in the function prologue.
1879 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1880 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1881 table register at the beginning of the function after the prologue.
1883 2001-01-29 lars brinkhoff <lars@nocrew.org>
1885 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1887 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1888 Jeff Law <law@redhat.com>
1890 * pa.md (return): Revise comment for trivial return.
1891 (return_internal): Non-trivial return pattern for non-PIC code.
1892 (return_internal_pic): Non-trivial return pattern for PIC code.
1893 It uses the PIC register to ensure it is restored after
1895 (epilogue): Generate appropriate return for PIC and non-PIC code.
1897 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1899 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1901 2001-01-29 DJ Delorie <dj@redhat.com>
1903 * combine.c (if_then_else_cond): Pass the correct mode to
1904 operand_subword() for constants.
1906 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1908 * config/i386/cygwin.h: Add w32api to include search. Search different
1909 directories in a cross-build environment.
1911 2001-11-29 Tim Josling <tej@melbpc.org.au>
1913 * tree.h (TYPE_STUB_DECL): Add documentation.
1915 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1917 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1918 (sdbout_field_types): Likwise. Fix use of host_integerp.
1920 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1922 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1925 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1927 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1928 to use flag_gnu_linker.
1930 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1932 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1933 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1935 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1937 * tree.c, tree.h (build_parse_node): Remove; was identical to
1939 * c-lang.c (start_cdtor), objc/objc-act.c
1940 (build_module_descriptor): Use build_nt instead of
1943 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1945 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1946 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1947 not have any upper bits set.
1949 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1951 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1953 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1955 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1957 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1959 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1960 (integer_minus_one_node): Define.
1962 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1964 * Makefile.in (bootstrap2-lean): Fix typo.
1966 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1968 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1969 : Don't set fe_value.
1970 * cpplib.h (AVOID_LPASTE): New flag.
1971 (struct cpp_hashnode): Remove fe_value.
1972 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1973 * cppmacro.c (builtin_macro): Don't set flags here.
1974 (replace_args): Set AVOID_LPASTE flag on first token of an
1975 argument, and the token following it.
1976 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1977 macro expansion, and on the token following it. Do it for
1979 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1981 2001-01-27 Richard Henderson <rth@redhat.com>
1983 * config/alpha/t-ieee: Remove multilibbing.
1984 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1986 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1988 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1990 * Makefile.in: Remove all dependencies on defaults.h.
1991 * builtins.c: Don't include defaults.h.
1992 * c-common.c: Likewise.
1993 * c-decl.c: Likewise.
1994 * c-pragma.c: Likewise.
1995 * c-typeck.c: Likewise.
1996 * combine.c: Likewise.
1998 * frame-ia64.c: Likewise.
1999 * cppexp.c: Likewise.
2000 * crtstuff.c: Likewise.
2001 * dbxout.c: Likewise.
2002 * dwarf2out.c: Likewise.
2003 * dwarfout.c: Likewise.
2004 * emit-rtl.c: Likewise.
2005 * except.c: Likewise.
2007 * final.c: Likewise.
2008 * frame-dwarf2.c: Likewise.
2009 * libgcc2.c: Likewise.
2010 * optabs.c: Likewise.
2011 * profile.c: Likewise.
2012 * sdbout.c: Likewise.
2013 * toplev.c: Likewise.
2014 * tradcif.y: Likewise.
2016 * varasm.c: Likewise.
2018 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2020 * builtins.c (expand_builtin_fputs): Use size_one_node when
2021 transforming into fwrite.
2023 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2025 * extend.texi (Attribute Syntax): New section.
2027 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2029 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2030 they didn't need fixing.
2032 2001-01-27 Janis Johnson <janis@us.ibm.com>
2034 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2036 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2037 to remove macro definitions that are duplicated from elfos.h.
2039 2001-01-27 Richard Henderson <rth@redhat.com>
2041 * config/i386/sco5gas.h: Move ...
2042 * config/usegas.h: ... here.
2043 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2045 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2047 * c-typeck.c (struct constructor_stack): Add range_stack member.
2048 (really_start_incremental_init): Clear it.
2049 (push_init_level): Save constructor_range_stack and clear it if
2050 pushing explicit braces.
2051 (pop_init_level): abort if constructor_range_stack is non-zero at
2052 explicit closing brace. Restore saved constructor_range_stack if
2055 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2057 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2058 into register was forced into memory.
2060 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2062 * Makefile.in: Remove uses of + before $(MAKE).
2064 2001-01-26 Richard Henderson <rth@redhat.com>
2066 * stmt.c (cost_table): Remove.
2067 (COST_TABLE, cost_table_initialized): New.
2068 (estimate_case_costs): Use the later instead of the former.
2069 (balance_case_nodes): Likewise.
2071 2001-01-26 Richard Henderson <rth@redhat.com>
2073 * alias.c (objects_must_conflict_p): Read-only slots may not
2074 conflict despite having the same type.
2076 2001-01-27 Michael Hayes <mhayes@redhat.com>
2078 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2080 (check_ext_dependant_givs): Initialise u_start_val and
2082 (load_mems): Make last_max_reg unsigned.
2083 (try_swap_copy_prop): Use INSN_P and initialise set.
2085 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2087 * README.AVR : Removed.
2089 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2091 * pa-64.h (text_section): Remove declaration.
2093 * pa.md (return_internal): Remove mode on PIC register use.
2095 2001-01-25 lars brinkhoff <lars@nocrew.org>
2097 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2098 ASM_CLOSE_PAREN): fix typos.
2100 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2102 * acconfig.h: Define `const' to the empty string if neither
2103 __STDC__ nor __cplusplus is defined.
2104 * config.in: Regenerated.
2106 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2108 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2109 * collect2.c (main): Delete importf. Add ".obj" file extension.
2110 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2111 (aix_std_libs): Add additional AIX libraries to skip.
2112 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2113 * config/rs6000/aix51.h: New file.
2115 2001-01-25 Michael Hayes <mhayes@redhat.com>
2117 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2118 (loop_insn_emit_before): No longer static.
2119 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2120 (loop_givs_rescan, load_mems): Likewise.
2121 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2122 (maybe_eliminate_biv_1):
2123 (move_movables): Replace emit_call_insn_before with
2124 loop_call_insn_hoist.
2125 * loop.h (loop_insn_emit_before): Add.
2126 * unroll.c (copy_loop_body): Replace emit_insn_before with
2127 loop_insn_emit_before.
2129 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2131 * diagnostic.c (fatal): Request preprocessed source.
2133 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2135 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2136 olddecl has argument types and newdecl has none, use the argument
2139 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2141 * dwarf2out.c (prefix_of): New function. Determine longest common
2142 prefix of the two arguments. The units are whole path components.
2143 (output_file_names): When adding a new directory find the one entry
2144 with the longest common prefix already in the list. Artificially
2145 generate entry if there is none for this prefix.
2146 Fix test to check whether the zeroth directory entry is used.
2148 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2150 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2151 Changed all callers. Take it into account when deciding if a
2152 previously loaded value matches.
2154 2001-01-24 Richard Henderson <rth@redhat.com>
2156 * reload.c (find_reloads_subreg_address): Fail the substitution
2157 if the resulting address is insufficiently aligned.
2159 2001-01-24 DJ Delorie <dj@redhat.com>
2161 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2162 check the original operand's mode also.
2163 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2165 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2167 * c-parse.in (cast_expr): Move compound literals from here ...
2168 (primary): ... to here. Use standard terminology "compound
2169 literal" instead of "constructor expression".
2171 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2173 * gcc.1, cpp.1: Regenerate.
2175 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2177 * calls.c (emit_library_call_value_1): Memory slot for
2178 pass-by-reference argument should have the mode of the argument,
2179 not of the pointer to it.
2181 2001-01-24 Tom Tromey <tromey@redhat.com>
2183 * gcc.texi (G++ and GCC): Mention gcj manual.
2184 (Standards): Link to section of manual mentioning gcj/Java
2187 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2189 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2190 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2191 * tradcpp.c (main): Add -imacros or -include'd dependencies
2193 * cpp.texi (-M, -MM): Document -M -include behaviour.
2195 2001-01-24 Roger Collins <roger@ProProject.com>
2197 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2199 2001-01-24 Will Cohen <wcohen@redhat.com>
2201 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2202 whether registers are 32 bits or 64 bits in size.
2204 2001-01-24 Ben Elliston <bje@redhat.com>
2206 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2208 2001-01-24 Richard Henderson <rth@redhat.com>
2210 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2211 (builtin_longjmp): Use it instead of emit_indirect_jump.
2213 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2215 * bb-reorder.c (make_reorder_chain_1): Handle case where
2216 jump edge goes to the same block as the fallthru edge.
2218 2001-01-23 Jim Wilson <wilson@redhat.com>
2220 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2221 * frame.h (__ia64_personality_v1): Add prototype.
2222 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2223 prototype form. Add void * cast to first argument to personality
2225 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2226 (asctoe113): Likewise.
2227 * config/ia64/frame-ia64.c: Include eh-common.h.
2228 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2230 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2232 (itanium_split_issue): Add prototype.
2233 (gen_nop_type): Ifdef out.
2234 (find_best_packet): Initialize best_packet.
2235 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2237 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2238 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2239 (flushrs): Add explicit stop bit at end.
2240 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2243 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2245 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2247 * libgcc2.c (__terminate_func): Make variable static.
2248 (__terminate_set_func): New function to set __terminate_func.
2249 * libgcc2.h (__terminate_func_ptr): New typedef.
2250 (__terminate_set_func): New function.
2252 2001-01-23 Richard Henderson <rth@redhat.com>
2254 * flow.c (init_propagate_block_info): Don't consider unchanging
2255 memories for dead frame store elimination.
2257 2001-01-23 Richard Henderson <rth@redhat.com>
2259 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2260 * defaults.h: ... here.
2262 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2264 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2266 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2268 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2270 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2272 * rs6000.h (rs6000_return_addr): Move prototype from here...
2273 * rs6000-protos.h (rs6000_return_addr): ...to here.
2274 (rs6000_init_expanders): Delete prototype.
2276 2001-01-23 Nick Clifton <nickc@redhat.com>
2278 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2279 (Spec Files): Document %B and %j and %. and %v3 and %M and
2280 %{S*&T} spec switches.
2282 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2284 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2286 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2287 Neil Booth <neil@daikokuya.demon.co.uk>
2289 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2290 Have -Werror make pedantic warnings errors, like the
2293 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2295 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2297 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2299 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2300 * integrate.c (expand_inline_function): Initialize them.
2301 (subst_constants): If changing COMPARE so that both its arguments
2302 will be VOIDmode and the comparison mode will be lost, note
2303 compare_mode. Use the recorded compare_mode to optimize
2306 2001-01-23 Jason Merrill <jason@redhat.com>
2308 * dwarf2out.c (new_die): Use xcalloc.
2309 (output_die): Abort rather than emit a local reference to offset 0.
2311 2001-01-17 Andrew Haley <aph@redhat.com>
2313 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2314 of a saved register; return NULL instead.
2315 (copy_reg): Take a pointer to a source register rather than a
2317 (next_stack_level): Remember the address in the stack frame of all
2319 Use the saved register pointer array as the source of the CFA.
2320 (throw_helper): Rewrite. Unwind once rather than twice and keep
2321 track of saved registers as we go.
2323 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2325 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2326 * c4x.c (c4x_legitimize_reload_address): Remove.
2327 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2328 reload address for ldp(k) insn.
2330 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2332 * pa.md (return_internal): Add a USE of the PIC register to ensure
2333 it is restored after each call.
2334 (return expander): Corresponding changes.
2336 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2338 * rs6000.h (INIT_EXPANDERS): Delete.
2339 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2340 * rs6000.c (rs6000_override_options): Call *_machine_status from
2342 (rs6000_init_expanders): ...instead of here. Delete.
2343 (rs6000_mark_machine_status): New function.
2344 (rs6000_init_machine_status): Use xcalloc.
2345 (rs6000_return_addr): Generate RTX for the return address.
2346 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2347 (rs6000_stack_info): Use it.
2349 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2351 * gthr-win32.h: Include errno.h to get a declaration for
2352 EINVAL and _mingw.h if the target is mingw32.
2354 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2356 * cpp.texi: Correct typos.
2358 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2360 * explow.c (probe_stack_range): Ensure value passed to
2361 stack_check_libfunc is ptr_mode, not Pmode.
2363 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2365 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2366 case, don't use operand_subword to calculate a SUBREG that is
2369 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2371 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2373 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2374 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2375 valid. If not replace it by equivalent insns.
2377 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2379 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2380 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2381 (c4x_U_constraint, symbolic_address_operand): Likewise.
2382 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2384 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2385 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2386 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2387 anulling slot because of silicon bug.
2388 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2390 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2392 * cppexp.c (parse_charconst): Change `mask' type to agree
2395 2001-01-21 Richard Henderson <rth@redhat.com>
2397 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2398 pic_label_name in a linkonce section.
2400 2001-01-17 Philipp Thomas <pthomas@suse.de>
2402 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2404 * configure: Regenerate.
2406 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2408 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2409 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2411 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2413 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2414 If REVERSE nonzero then condition code in X must be reversed.
2415 (encode_section_info): Optimise if/else.
2416 (avr_function_value): Fix formatting.
2418 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2419 (difficult_branch): Likewise.
2420 (rvbranch): Likewise.
2421 (difficult_rvbranch): Likewise.
2423 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2425 * config/avr/libgcc.S: Fix comment.
2427 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2429 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2431 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2433 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2435 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2437 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2438 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2439 * configure, config.in: Regenerate.
2440 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2441 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2442 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2443 (doprint.o): New rule.
2445 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2447 * c-typeck.c (digest_init): Handle boolean types as scalars.
2449 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2451 * stmt.c (expand_return): Don't return anything if size is zero.
2452 Delete redundant assignment to BYTES.
2453 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2455 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2457 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2458 the same as the default library function names.
2459 * config/avr/avr.md: Document special characters after '%'.
2460 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2461 knowing which of the call-used registers are really clobbered.
2462 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2463 New. Both quotient and remainder from one libgcc.S call.
2464 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2465 clobber as few registers as possible.
2466 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2468 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2470 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2471 context of the top of the stack.
2473 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2475 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2476 (fixup_var_refs_insns): ...here.
2478 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2480 * function.c (fixup_var_refs_insns): Break up into
2481 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2482 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2483 [loop over hash table entries].
2484 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2485 fixup_var_refs_insns_with_hash, to match above changes.
2487 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2489 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2490 (libgcc.a): Likewise.
2491 (stmp-multilib): Likewise.
2492 (STAGE2_FLAGS_TO_PASS): Likewise.
2494 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2496 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2497 temporary if no_new_pseudos.
2499 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2501 * cppinternals.texi: Update.
2503 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2505 * arm.c (arm_init_builtins): Re-enable builtins.
2507 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2509 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2510 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2511 element to be null, and always expect an EXPR_LIST.
2512 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2513 * sched-deps.c (sched_analyze_1): Likewise.
2514 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2516 * regclass.c (max_set_parallel): New variable.
2517 (reg_scan): Take it into account in computation of max_parallel.
2518 (reg_scan_mark_refs, case SET): Compute it.
2520 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2522 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2523 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2525 2001-01-19 Jason Merrill <jason@redhat.com>
2527 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2528 for the abstract instance of an inline function.
2530 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2531 J"orn Rennecke <amylaar@redhat.com>
2533 * reload1.c (move2add_note_store): Treat all registers directly or
2534 indirectly derived from a base register as members of the same set
2536 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2537 of base register into account.
2539 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2541 * alias.c (find_base_value): Recognize TRUNCATE.
2542 (record_set): In PLUS case, invalidate if other summand is also a
2545 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2547 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2548 entry to be EXPR_LIST.
2549 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2550 be an EXPR_LIST (but not null, which other code doesn't allow).
2551 (note_stores): Properly handle PARALLEL in SET.
2552 Recursively call for top-level PARALLEL.
2553 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2554 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2556 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2558 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2560 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2561 not pfile->skipping (== 0).
2563 2001-01-17 Nick Clifton <nickc@redhat.com>
2565 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2568 2001-01-17 Jim Wilson <wilson@redhat.com>
2570 * invoke.texi (IA-64 options): Improve.
2572 2001-01-17 Tom Tromey <tromey@redhat.com>
2574 * invoke.texi (Optimize Options): Use `{}' to around @samp
2577 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2579 * invoke.texi (-fno-guess-branch-probability): New option.
2581 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2583 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2584 case of making new double-word constant.
2585 Revert last change: instead just test i3_subst_into_i2.
2587 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2589 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2590 Use q constraints instead of r.
2592 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2594 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2595 (machine_function): Define.
2596 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2597 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2598 pa_free_machine_status): New functions.
2599 (override_options): Set {init,mark,free}_machine_status to above.
2600 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2601 PIC_OFFSET_TABLE_REGNUM_SAVED.
2602 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2603 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2604 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2605 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2606 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2608 2001-01-15 DJ Delorie <dj@redhat.com>
2610 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2614 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2616 * flow.c (propagate_on_insn): Make trying to delete a prologue
2617 or epilogue insn an ICE, not a warning. Allow doing this if
2618 the current function returns with stack pointer depressed.
2620 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2621 I3 having more than one SET.
2623 2001-01-16 Jim Wilson <wilson@redhat.com>
2625 * invoke.texi: Document IA-64 options.
2627 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2628 (fixup_errata): Delete TARGET_A_STEP use.
2629 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2630 (TARGET_SWITCHES): Delete -ma-step option.
2631 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2632 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2633 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2634 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2635 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2636 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2638 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2639 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2640 cmovsi_internal): Delete ! TARGET_A_STEP check.
2642 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2644 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2645 possibility to report bugs via postal mail. Change a URL and
2646 merge in a nearly duplicate statement...
2647 (Bug Reporting): ...from here.
2648 (Service): Refer to the Bug Reporting section instead of
2650 (Contributing): Remove trivial explanations concerning snapshots.
2652 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2654 * cppmain.c (general_init): Don't use ANSI prototype.
2656 2001-01-16 Tom Tromey <tromey@redhat.com>
2658 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2660 2001-01-16 Richard Henderson <rth@redhat.com>
2662 * config/i386/i386.h: Fix comment typo.
2663 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2664 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2666 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2668 * gcc.c: Revert previous -fsyntax-only-related change; move
2671 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2673 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2674 inmode after checking GET_CODE (op).
2676 2001-01-16 Richard Henderson <rth@redhat.com>
2678 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2679 (MAX_MEM_SET_LIST_LEN): New.
2680 (propagate_one_insn): Update mem_set_list_len.
2681 (invalidate_mems_from_autoinc): Likewise.
2682 (invalidate_mems_from_set): Likewise.
2683 (mark_used_regs): Likewise.
2684 (init_propagate_block_info): Likewise. Stop collecting memories
2685 when we reach MAX_MEM_SET_LIST_LEN.
2686 (mark_set_1): Likewise.
2688 2001-01-16 Richard Henderson <rth@redhat.com>
2690 * unroll.c (precondition_loop_p): Fail if no iteration
2693 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2695 * gcc.c: When -fsyntax-only is given, do not complain about
2698 2001-01-15 Richard Henderson <rth@redhat.com>
2700 * config/i386/i386.c (asm_output_function_prefix): Remove.
2701 (ix86_asm_file_end): New.
2702 (load_pic_register): Generate pic_label_name into a
2703 staticly allocated buffer.
2704 * config/i386/i386-protos.h: Update.
2705 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2706 (ASM_FILE_END): New.
2707 * config/i386/i386afe.h: New file.
2708 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2709 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2710 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2711 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2712 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2713 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2714 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2716 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2718 * Makefile.in (install-man): Remove explicit dependency on
2721 * configure.in, configure: Revert previous patch requiring perl
2724 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2726 * toplev.c (flag_guess_branch_prob): New.
2727 (f_options): Add guess-branch-probability option.
2728 (rest_of_decl_compilation): Only estimate branch probability if
2730 (main): set flag_guess_branch_prob.
2732 * flags.h (flag_guess_branch_prob): New.
2734 2001-01-15 DJ Delorie <dj@redhat.com>
2736 * gcc.texi (Makefile): Add documentation for Makefile targets.
2738 2001-01-15 Philip Blundell <philb@gnu.org>
2740 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2742 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2743 (is_pic): Delete declaration.
2744 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2745 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2746 * config/arm/arm.md (builtin_setjmp_receiver): New.
2748 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2750 * arm.c (use_return_insn): Don't try to determine the function type
2751 until after reload has completed.
2752 (arm_output_epilogue): Don't adjust the sp value recovered from the
2754 (emit_multi_reg_push): Don't record dwarf information for the pc.
2755 * arm.md (eh_epilogue): The function type may have changed, so it
2756 needs to be recalculated.
2757 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2758 unwind tables on arm/netbsd.
2760 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2762 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2763 (negated_cbranchsi4): Likewise.
2765 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2767 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2768 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2769 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2770 pass -mapcs-* options to assembler.
2771 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2772 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2773 (ASM_SPEC): Call subtarget_extra_asm_spec.
2775 2001-01-15 Andreas Jaeger <aj@suse.de>
2777 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2779 (ix86_expand_builtin): Likewise.
2781 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2782 warning about comparison between signed and unsigned.
2784 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2786 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2788 2001-01-14 Ralf Baechle <ralf@gnu.org>
2790 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2791 SUBTARGET_CPP_SPEC apropriatly.
2793 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2795 * varasm.c (make_decl_rtl): Fix typo in last change.
2797 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2799 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2800 linker supports the init_priority C++ attribute.
2801 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2802 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2803 linker does not support init_priority C++ attribute.
2805 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2807 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2809 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2811 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2812 * cp/lex.c (finish_parse): Similarly.
2813 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2814 Return the number of errors encountered.
2815 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2816 * cppmain.c (main): Don't call cpp_destroy.
2818 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2820 * configure.in: Require at least perl 5.6.0 to regenerate
2822 * configure: Regenerate.
2824 2001-01-14 Richard Henderson <rth@redhat.com>
2826 * genrecog.c (DT_veclen_ge): New.
2827 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2828 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2829 (nodes_identical_1): Handle DT_veclen_ge.
2830 (write_cond, debug_decision_2): Likewise.
2832 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2834 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2836 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2838 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2840 * cppmain.c (do_preprocessing): New function; most of the old
2842 (main): Call it to do most of the work.
2843 (cb): Move from global scope to set_callbacks ().
2844 (setup_callbacks): Get the callback pointer.
2845 (general_init, printer_init): Clean up code and comments.
2847 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2849 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2852 2001-01-14 Kazu Hirata <kazu@hxi.com>
2854 * config/h8300/h8300.c (get_shift_alg): Update comments.
2856 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2858 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2859 (alloc_page, ggc_alloc): Add casts to remove warnings.
2861 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2863 * combine.c (simplify_comparison): Don't change `code' when
2864 can't reverse comparison.
2866 2001-01-14 Richard Henderson <rth@redhat.com>
2868 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2869 update all call sites. Return true for all non-label constants.
2871 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2873 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2875 (ix86_expand_branch): Update.
2876 (ix86_expand_setcc): Update to handle multiple test conditions.
2877 (expand_int_movcc): Likewise.
2878 (expand_fp_movcc): Likewise.
2879 * i386-protos.h (ix86_expand_compare): New.
2880 * i386.md (andqi_?_slp, orqi_?_slp): New.
2881 (conditional trap expander): Update call to ix86_expand_compare.
2883 2001-01-14 Richard Henderson <rth@redhat.com>
2885 * config/vax/vax.md: Use nonimmediate_operand instead of
2886 general_operand in destinations.
2888 * config/vax/vax.md (indirect_jump): Use register_operand.
2890 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2891 * config/vax/vax.md (call_pop): Turn into an expander.
2892 (call_value_pop): Likewise.
2893 (call, call_value): New.
2895 2001-01-14 Andreas Jaeger <aj@suse.de>
2897 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2899 (ix86_fp_compare_mode): Add unused attribute.
2900 (ix86_expand_fp_movcc): Remove unused variable.
2901 (ix86_expand_builtin): Make fcode unsigned.
2903 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2904 (expand_expr): Add cast to avoid signed warning.
2905 (store_field): Likewise.
2906 (store_constructor_field): Likewise.
2907 (store_constructor): Likewise.
2908 (store_expr): Likewise.
2909 (clear_storage): Likewise.
2910 (emit_group_store): Likewise.
2911 (emit_group_load): Likewise.
2913 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2915 * c-common.c: Move format checking code to ...
2916 * c-format.c: ... here. New file. Reorder some functions and
2918 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2920 * c-common.h (decl_handle_format_attribute,
2921 decl_handle_format_arg_attribute): Declare.
2922 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2923 (c-common.o): Adjust dependencies.
2924 (c-format.o): New list of dependencies.
2926 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2928 * unroll.c (loop_iterations): If we cannot prove iteration variable
2929 is set once in each iteration, punt.
2931 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2933 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2934 (*strlenhi): Remove clobber (which was buggy) of output address.
2936 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2938 * Makefile.in (generated-manpages): Add gcc.1
2939 ($(srcdir)/gcc.1): New target.
2940 (maintainer-clean): Delete $(srcdir)/gcc.1.
2941 * gcc.texi: Add macros @gccoptlist and @gol.
2942 * invoke.texi: Include option summary in manpage. Mark up option
2943 summary with @gccoptlist and @gol. Use @r in one place where
2945 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2946 * gcc.1: Generate from invoke.texi.
2948 2001-01-13 Richard Henderson <rth@redhat.com>
2950 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2951 (struct page_entry): Add group member.
2952 (struct page_group): New.
2953 (struct globals): Add page_groups member.
2954 (alloc_anon): Only define for using mmap; remove valloc call.
2955 (page_group_index): New.
2956 (set_page_group_in_use): New.
2957 (clear_page_group_in_use): New.
2958 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2959 (free_page, release_pages): Likewise.
2960 * configure.in (with-gc): Default to ggc-page always.
2962 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2964 * reload1.c (replace_pseudos_in_call_usage): Use
2965 reg_equiv_constant and reg_equiv_address, and don't try
2966 regno_reg_rtx first.
2968 2001-01-13 Richard Henderson <rth@redhat.com>
2970 * ggc-page.c (alloc_page): Round up allocation size to one page.
2971 Set e->order on extra pages.
2973 2001-01-13 Richard Henderson <rth@redhat.com>
2975 * genrecog.c (nodes_identical): Expand commentary.
2976 (write_switch): Watch out for identical nodes.
2978 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2980 * cppfiles.c (_cpp_fake_include): New function.
2981 * cpphash.h (_cpp_fake_include): New.
2982 * cpplib.c (do_line): Call _cpp_fake_include when entering
2983 header files in preprocessed input.
2984 * cppmain.c (cb_pragma_implementation): Remove handling.
2985 (setup_callbacks): Don't register pragmas.
2987 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2989 * extend.texi: Udate for CPP.
2991 2001-01-13 Andreas Jaeger <aj@suse.de>
2993 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2995 * regmove.c: Add prototype for replace_in_call_usage.
2997 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2999 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3000 struct cpp_chunk, struct htab, struct toklist,
3001 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3002 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3003 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3004 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3005 (struct macro_args): Delete.
3006 * cpphash.h: See above.
3008 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3010 * cppmain.c (struct printer): Remove no_line_dirs.
3012 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3013 : Use options rather than CPP_OPTION.
3014 (setup_callbacks): Use cb rather than pfile->cb.
3015 (main): No need to check for a buffer. Use cpp_errors.
3016 (printer_init): Don't set no_line_dirs.
3017 (maybe_print_line): Use options not no_line_dirs.
3018 (cb_file_change): Don't call print_line if -P.
3020 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3022 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3024 * c-parse.in (finish_parse): Use cpp_errors.
3025 (__yylex): Use return value of cpp_pop_buffer.
3026 * cp/lex.c (finish_parse): Use cpp_errors.
3027 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3029 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3031 * README.AVR: URLs corrected.
3033 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3035 * c-decl.c (start_function): Don't warn if old prototype is builtin
3036 that's not in C's namespace.
3037 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3038 (_bb): Add prototype for ctime.
3039 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3041 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3043 * i386.c (ix86_fp_comparison_arithmetics_cost,
3044 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3045 ix86_fp_comparison_cost): New functions.
3046 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3047 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3048 two-branch sequences; make static.
3049 (ix86_use_fcomi_compare): Do decision according to the costs.
3050 (split_fp_branch): New.
3051 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3052 * i386-protos.h (ix86_expand_fp_compare): Remove
3053 (ix86_split_fp_branch): Declare.
3055 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3056 and ix86_comparison_operator.
3058 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3061 * i386.c (put_condition_code): Output properly the unordered/ordered
3062 compares in fp case.
3063 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3065 * tm.texi (REVERSE_CONDITION): Document.
3066 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3067 in -ffast-math mode.
3068 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3070 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3072 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3074 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3077 * config/sh/sh.c (mova_p): Fix test for mova_const.
3079 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3081 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3082 cpp_get_options rather than dereferencing pfile and using
3084 * scan-decls.c (scan_decls): Use return value of
3085 cpp_pop_buffer rather than CPP_BUFFER.
3087 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3089 * cppinit.c (cpp_handle_option): help_only is now part of the
3090 cpp_options structure.
3091 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3092 cpp_set_callbacks): New functions.
3093 * cpplib.h (cpp_callbacks): Break out as a named structure.
3094 (cpp_options): Move help_only here from cpp_reader.
3095 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3096 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3097 cpp_set_callbacks): New prototypes.
3098 * cppmain.c (main): Update for help_only.
3100 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3102 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3103 Also build and remove and install and uninstall c-tree.info and
3105 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3106 ($(srcdir)/cppinternals.info): New target.
3107 * c-tree.texi: Change file name used when makeinfo used without -o
3108 from ir.info to c-tree.info. Add info directory entry.
3109 * cppinternals.texi: Add info directory entry.
3110 * .cvsignore: Update.
3112 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3114 * c-typeck.c (store_init_value): Don't require constant initializer
3115 elements with -pedantic -std=c99.
3116 (digest_init): Change error about non-constant initializer elements
3118 (constructor_range_end): Remove.
3119 (constructor_incremental, designator_depth,
3120 designator_errorneous): New variables.
3121 (struct constructor_stack): Remove range_end, add incremental.
3122 (struct constructor_range_stack, constructor_range_stack): New.
3123 (struct initializer_stack): Add constructor_range_stack.
3124 (finish_init): Set it.
3125 (start_init): Likewise. require_constant_elements for non-static
3126 trees only if not flag_isoc99.
3127 (really_start_incremental_init): Remove constructor_range_end, add
3128 constructor_incremental.
3129 (pop_init_level): Likewise.
3130 (push_init_level): Likewise. If implicit and the subobject had some
3131 value set already, preinitialize the level with it.
3132 Warn about missing braces only if not pushing due to designators.
3133 (set_designator, push_range_stack): New functions.
3134 (set_init_label): Use them.
3135 (set_init_index): Likewise. Remove constructor_range_end.
3136 Error if designator index is outside of array bounds.
3137 (add_pending_init): Compare values of purpose index trees, not the
3138 trees themselves. Allow overwriting of already initialized element.
3139 Issue a warning if it had side-effects.
3140 (set_nonincremental_init, set_nonincremental_init_from_string): New
3142 (pending_init_member): Rename to...
3143 (find_init_member): ...this function. Call set_nonincremental_init
3144 if necessary. Compare values of purpose index trees, not the trees
3145 themselves. Return the actual value, not just non-zero if something
3147 (output_init_element): Remove checks for duplicates.
3148 If field has zero size, only check the initializer for correctness.
3149 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3150 if constructor_incremental is zero. Change error about initializers
3151 not computable at load time into pedwarn.
3152 (output_pending_init_elements): Compare bit positions, not
3153 FIELD_DECLs to take into account zero-sized fields.
3154 (process_init_element): Use constructor_range_stack to fill all
3155 ranges in the designator lists from current level up.
3156 * extend.texi: Update documentation for labeled elements.
3158 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3160 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3161 to function usage for arguments passed by reference. Optimize
3162 callee-copied arguments.
3163 * regmove.c (replace_in_call_usage): New function.
3164 (fixup_match_1): Call it.
3165 * cse.c (cse_insn): Canonicalize registers in function usage.
3166 * reload1.c (replace_pseudos_in_call_usage): New function.
3169 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3172 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3174 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3177 2001-01-12 DJ Delorie <dj@redhat.com>
3179 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3180 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3183 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3185 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3186 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3187 -std options alongside references to -ansi. Update some
3188 documentation for C99.
3189 * cpp.1: Regenerate.
3191 2001-01-12 Andreas Jaeger <aj@suse.de>
3193 * haifa-sched.c (restore_line_notes): Remove argument block B
3195 * sched-ebb.c (schedule_ebb): Change caller.
3196 * sched-rgn.c (schedule_region): Likewise.
3197 * sched-int.h (restore_line_notes): Adjust prototype.
3199 * loop.h: Remove wrong declaration of doloop_condition_get.
3201 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3203 * extend.texi: Move C++-extension-related node from the C section
3204 into the C++ section.
3206 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3208 * extend.texi: Refer to an array of pointers to functions instead
3209 of one of functions.
3211 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3212 Jan Hubicka <jh@suse.cz>
3214 * combine.c (reversed_comparison): Fix typo in last patch.
3216 (combine_reversed_comparison_code): Make static to follow
3217 prototype declaration.
3219 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3221 * install.texi: Remove misplaced duplicate entry.
3223 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3225 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3227 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3229 * final.c: (leaf_function_p): Fix typo.
3231 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3233 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3234 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3236 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3237 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3238 mmap_anon, and valloc is available.
3239 * ggc-page.c: Restructure ifdef logic to match new autoconf
3240 spec. Don't throw away the test page in init_ggc.
3242 * configure, config.in: Regenerate.
3244 2001-01-12 Michael Hayes <mhayes@redhat.com>
3246 * loop.h (total_biv_increment): Constify iv_class pointer.
3247 (struct induction): Replace `mem_mode' with `mem' rtx.
3248 * unroll.c (total_biv_increment): Constify iv_class pointer.
3249 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3250 (find_mem_givs, combine_givs_p): Likewise.
3251 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3253 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3255 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3257 (__gthread_getspecific): Ditto.
3259 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3261 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3262 put_condition_code): Convert fp comparison codes to integer
3264 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3267 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3268 * i386-protos.h (no_comparison_operator): Kill.
3270 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3272 * combine.c (REVERSIBLE_CC_MODE): Remove.
3273 (reversible_comparison_p): Remove.
3274 (combine_reversed_comparison_code): New.
3275 (reversed_comparison): New.
3276 (combine_simplify_rtx): Use
3277 combine_reversed_comparison_code/reversed_comparison instead
3278 of reversible_comparison_p.
3279 (simplify_if_then_else): Likewise.
3280 (simplify_set): Likewise.
3281 (simplify_logical): Likewise.
3282 (if_then_else_cond): Likewise.
3283 (known_cond): Likewise.
3284 (simplify_comparison): Likewise.
3286 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3288 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3289 sizeof (int) is larger than sizeof(__word__).
3291 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3293 * cppinit.c (do_includes): Fix typo.
3295 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3297 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3298 in S_REGS does not occur because not all sources are possible
3299 when a S_REGS is a destination (sometimes needs a clobber).
3300 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3301 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3302 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3303 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3304 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3305 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3306 (lshrdi_const1, lshrsi3_const16): Likewise.
3307 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3308 (*movhi_68hc12, *movqi_68hc12): Likewise.
3309 (movstrictqi): Make sure reloading in D_REGS as a destination
3312 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3314 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3316 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3318 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3319 -D, -U and -A, and don't initialize the builtins.
3320 (do_includes): Error if -include or -imacros with -fpreprocessed.
3321 * cppmain.c (cb_define, cb_undef): Unconditionally process
3323 * tradcpp.c (main): Fix typo.
3325 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3327 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3328 (read_name_map): Use IS_ABSOLUTE_PATH.
3329 * tradcpp.c (get_filename): Likewise.
3331 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3333 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3334 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3335 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3336 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3337 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3338 (cmphi_z_used): Don't use '@' for the output.
3339 (tstqi_z_used): Likewise.
3340 (cmpqi_z_used): Likewise.
3341 (one_cmplsi2): Likewise.
3343 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3345 * config/sh/sh.c (barrier_align): Recognize branch around far
3346 branch and redundant insn.
3348 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3350 * invoke.texi: Restore documentation of the drivers' switches -MD
3353 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3355 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3357 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3358 check-objc//%): Support parallel testing of multilibs.
3359 (TESTSUITEDIR): Set to testsuite by default, but override for
3361 (check-gcc, check-g++, check-g77, check-objc): Enter
3364 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3366 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3367 * sched-deps.c (deps_may_trap_p): Likewise.
3368 * basic-block.h: Remove a comment.
3369 * flow.c (PROP_POSTRELOAD): Remove.
3370 (update_life_info): Don't add it to prop_flags.
3371 (mark_set_1): Lose the code that was enabled by it.
3373 2001-01-11 Michael Hayes <mhayes@redhat.com>
3375 * flow.c (flow_call_edges_add): New.
3376 * basic_block.h (flow_call_edges_add): New.
3378 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3380 * reload1.c (move2add_note_store): Update reg_set_luid even if
3381 base reg remains the same.
3383 2001-01-10 Nick Clifton <nickc@redhat.com>
3385 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3386 machine_function structure to zero.
3387 Add prototypes for machine_status functions.
3389 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3391 * c-common.h (CTI_VOID_LIST): Remove.
3392 (void_list_node): Likewise.
3393 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3394 (void_list_node): New macro.
3395 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3396 * config/i386/i386.c (ix86_init_builtins): Likewise.
3397 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3399 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3401 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3402 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3404 * tradcpp.c: Include mkdeps.h.
3405 (deps, print_deps_phony_targets, deps_append, output_deps,
3406 init_dependency_output, output_deps): New.
3407 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3408 deps_output): Delete.
3409 (print_deps_missing_files): Rename deps_missing_files.
3410 (inhibit_output): Make global.
3411 (main): Delete inhibit_output, deps_stream, deps_target.
3412 Use mkdeps functionality in the same way as cpplib. Remove
3413 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3414 -M and -MM. Remove old handling of deps via deps_out, and
3415 old reading of environment variables.
3416 (get_filename): Update to use deps_add_dep.
3418 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3420 * output.h (make_function_rtl): Remove prototype.
3421 (make_decl_rtl): Likewise.
3422 * varasm.c (make_function_rtl): Remove.
3423 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3424 than from a third parameter.
3425 * tree.h (make_decl_rtl): Remove last parameter.
3426 * c-decl.c (builtin_function): Remove last argument in call to
3427 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3428 (start_function): Likewise.
3429 * except.c (call_get_eh_context): Likewise.
3430 * expr.c (emit_block_move): Likewise.
3431 (clear_storage): Likewise.
3432 * profile.c (output_func_start_profiler): Likewise.
3433 * toplev.c (rest_of_decl_compilation): Likewise.
3434 * objc/objc-act.c (create_builtin_decl): Likewise.
3435 (synth_module_prologue): Likewise.
3436 (generate_static_reference): Likewise.
3437 (build_selector_reference_decl): Likewise.
3438 (build_class_reference_decl): Likewise.
3439 (build_objc_string_decl): Likewise.
3440 (build_protocol_reference): Likewise.
3442 2001-01-10 Richard Henderson <rth@redhat.com>
3444 * hwint.h: Revert yesterday's change.
3446 2001-01-10 Nick Clifton <nickc@redhat.com>
3448 * function.h (save_machine_status): Delete.
3449 (restore_machine_status): Delete.
3450 Amend comment describing {init|mark|free}_machine_status.
3452 * function.c (save_machine_status): Delete.
3453 (restore_machine_status): Delete.
3454 Amend comment describing {init|mark|free}_machine_status.
3455 (push_function_context_to): Remove invocation of
3456 save_machine_status.
3457 (pop_function_context_from): Remove invocation of
3458 restore_machine_status.
3460 * emit-rtl.c (init_emit_once): Amend comment describing
3461 {init|mark|free}_machine_status.
3463 * tm.texi (Per-Function Data): New node. Describe the
3464 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3467 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3469 * cppinit.c (OPT_g): Remove.
3470 (cpp_handle_option): Update for removed -g3.
3471 (print_help): Update.
3472 * cpplib.h (struct cpp_options): Remove debug_output.
3473 * cppmain.c (setup_callbacks, cb_define): Update.
3474 * gcc.c (cpp_options): Translate -g3 to -dD.
3476 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3478 * config/i960/i960.md: Change modifier to + on the zero_extract
3479 pattern after the (rotate -2 reg) canonicalization pattern.
3481 2001-01-10 Richard Henderson <rth@redhat.com>
3483 * config/alpha/alpha.c (alpha_free_machine_status): New.
3484 (override_options): Install it.
3485 (alpha_mark_machine_status): Verify machine non-null.
3486 * config/i386/i386.c (ix86_free_machine_status): New.
3487 (override_options): Install it.
3488 (ix86_init_machine_status): Use xcalloc.
3489 (ix86_mark_machine_status): Verify machine non-null.
3490 * config/ia64/ia64.c (ia64_free_machine_status): New.
3491 (ia64_override_options): Install it.
3492 (ia64_mark_machine_status): Verify machine non-null.
3494 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3496 * function.c (instantiate_virtual_regs): Instantiate virtual
3497 registers found in CALL_INSN_FUNCTION_USAGE.
3499 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3501 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3502 equivalent to -ansi in disabling -Di386.
3504 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3506 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3508 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3510 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3512 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3514 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3516 * invoke.texi: Document that -fcond-mismatch isn't supported for
3519 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3521 * gcc.texi: Define macro gcctabopt.
3522 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3523 @command, @env and @option in some places where appropriate. Use
3524 @gcctabopt where appropriate. Put URLs and email addresses inside
3527 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3529 * gcc.c (cpp_options): Set MD file name from output
3530 filename, if specified.
3531 (suffix_subst): New static variable.
3532 (do_spec): Clear it.
3533 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3535 (give_switch): Handle suffix_subst.
3537 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3539 * invoke.texi: Fix another typo.
3541 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3543 * invoke.texi: Fix typo.
3545 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3547 * c-lang.c (lang_hooks): Update.
3548 (lang_decode_option): Remove.
3549 (lang_init_options): Rename c_init_options.
3550 * toplev.c (main): Use lang_hooks for lang_init_options
3551 and lang_decode_option.
3552 * toplev.h (lang_hooks): Add 2 new hooks.
3553 * tree.h: Remove lang_init_options and lang_decode_option.
3554 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3555 * cp/decl2.c: Similarly.
3556 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3557 (lang_hooks): Update.
3558 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3560 (lang_init_options): Rename ffe_init_options.
3561 (lang_hooks): Update.
3562 (lang_decode_option): Remove.
3563 * java/lang.c (lang_init_options): Rename java_init_options.
3564 (lang_decode_option): Rename java_decode_option.
3565 (lang_hooks): Update.
3566 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3567 (lang_decode_option): Rename objc_decode_option.
3568 (lang_hooks): Update.
3570 2001-01-09 Nick Clifton <nickc@redhat.com>
3572 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3573 (d30v_return_addr_rtx): Delete.
3574 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3575 cfun->machine structure.
3576 (struct machine_function): Move to d30v.h
3577 (d30v_save_machine_status): Delete.
3578 (d30v_restore_machine_status): Delete.
3579 (d30v_init_machine_status): New Function.
3580 (d30v_mark_machine_status): New Function.
3581 (d30v_free_machine_status): New Function.
3582 (d30v_init_expanders): Use new functions.
3583 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3584 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3585 d30v_return_addr_rtx.
3587 * config/d30v/d30v.h (struct_machine): Move here.
3588 Add eh_epilogue_sp_ofs field.
3590 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3591 field in cfun->machine structure.
3593 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3595 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3596 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3597 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3599 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3601 * objc/lang-options.h: Remove bogus reference to
3604 2001-01-09 Kazu Hirata <kazu@hxi.com>
3606 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3609 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3611 * reload.c (find_reloads_address): Check for eliminable registers
3612 when substituting a constant expression for a pseudo.
3614 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3616 * c-common.c (enum format_type): Add format_type_error.
3617 (decode_format_type): New function.
3618 (decl_attributes): Use it.
3619 (format_kind_info): Adjust comment.
3621 2001-01-09 David O'Brien <obrien@BSDi.com>
3623 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3624 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3626 * config/i386/gnu.h: Don't include required platform specific .h files,
3627 tm.h will do it instead.
3628 * config/i386/i386elf.h: Likewise.
3629 * config/i386/linux.h: Likewise.
3630 * config/i386/moss.h: Likewise.
3631 * config/mips/gnu.h: Likewise.
3633 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3635 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3636 (rs6000-ibm-aix3.[01]*): Likewise.
3637 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3638 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3639 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3640 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3641 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3642 (powerpc-*-eabiaix*): Likewise.
3643 (powerpc-*-eabisim*): Likewise.
3644 (powerpc-*-elf*): Likewise.
3645 (powerpc-*-eabi*): Likewise.
3646 (powerpc-*-rtems*): Likewise.
3647 (powerpc-*-linux*libc1): Likewise.
3648 (powerpc-*-linux*): Likewise.
3649 (powerpc-wrs-vxworks*): Likewise.
3650 (powerpcle-wrs-vxworks*): Likewise.
3651 (powerpcle-*-sysv*): Likewise.
3652 (powerpcle-*-elf*): Likewise.
3653 (powerpcle-*-eabisim*): Likewise.
3654 (powerpcle-*-eabi*): Likewise.
3655 (powerpcle-*-solaris2*): Likewise.
3656 * config/rs6000/aix31.h: Delete includes.
3657 * config/rs6000/aix3newas.h: Likewise.
3658 * config/rs6000/aix41.h: Likewise.
3659 * config/rs6000/aix43.h: Likewise.
3660 * config/rs6000/beos.h: Likewise.
3661 * config/rs6000/rtems.h: Likewise.
3662 * config/rs6000/sysv4.h: Likewise.
3664 2001-01-09 Kazu Hirata <kazu@hxi.com>
3666 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3667 Change an argument mode of machine_mode to shift_mode of
3668 shift_mode. Remove an extra error check.
3669 (emit_a_shift): Adopt to the new calling prototype of
3671 (function_prologue): Fix code for a monitor
3672 function. Support H8/S.
3673 (function_epilogue): Do not output pop for a monitor function.
3675 2001-01-09 Nick Clifton <nickc@redhat.com>
3677 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3678 (setup_incoming_varargs): Use sysv_varargs_p field of the
3679 cfun->machine structure.
3680 (struct machine_function): Move to rs6000.h
3681 (rs6000_save_machine_status): Delete.
3682 (rs6000_restore_machine_status): Delete.
3683 (rs6000_init_machine_status): New Function.
3684 (rs6000_free_machine_status): New Function.
3685 (rs6000_init_expanders): Use new functions.
3687 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3689 (struct machine_function): Move here.
3691 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3692 sysv_varargs_p field of the cfun->machine structure.
3694 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3696 (rs6000_restore_machine_status): Remove prototype.
3698 2001-01-09 Richard Henderson <rth@redhat.com>
3700 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3701 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3702 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3703 (sched_analyze_2, sched_analyze_insn): Likewise.
3704 (sched_analyze, init_deps): Likewise.
3705 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3706 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3707 (compute_block_backward_dependences): Update propagate_deps call.
3709 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3711 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3713 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3715 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3716 (cpp_handle_option): Handle them.
3717 (cpp_post_options): Ensure one of -M or -MM is specified with
3718 any other -M? option.
3719 (init_dependency_output): Suppress output with -MG.
3721 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3724 * invoke.texi: Update.
3726 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3728 * sh.md (reload_outsf): Generate recognizable patterns for
3731 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3733 * c-lang.c (lang_hooks): Update.
3734 (lang_init): Rename c_init.
3735 (lang_finish): Remove.
3736 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3738 * toplev.h (lang_hooks): Add init () and finish ().
3739 * tree.h (lang_init, lang_finish): Remove.
3740 * cp/tree.h (lang_init, lang_finish): Remove.
3741 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3742 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3744 (lang_init, lang_finish): Remove.
3745 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3746 (lang_hooks): Update.
3747 * java/lang.c (lang_init): Rename java_init.
3748 (lang_finish): Remove.
3749 (lang_hooks): Update.
3750 * objc/objc-act.c (lang_init): Rename objc_init.
3751 (lang_finish): Remove.
3752 (lang_hoooks): Update.
3754 20001-01-09 Graham Stott <grahams@redhat.com>
3756 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3757 after `ptr` is initialised.
3759 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3761 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3762 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3763 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3764 stack adjusts, instead of r3.
3766 2001-01-09 Michael Hayes <mhayes@redhat.com>
3768 * flow.c (flow_loop_scan): Break out of ...
3769 (flow_loops_find) ... here.
3770 * basic-block.h (flow_loop_scan): New.
3771 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3772 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3774 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3776 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3778 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3779 realloc()ing macro_buffer.
3781 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3782 if it's wider than long and the target's long is wider than the
3785 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3787 Remove support for using UWIN as a host machine.
3788 * configure.in: Issue an error message.
3789 * configure: Regenerated.
3790 * config.gcc: Remove xm_* UWIN configury.
3791 * config/i386/xm-uwin.h: Remove.
3793 2001-01-08 Nick Clifton <nickc@redhat.com>
3795 * config/v850/v850.c (ra_rtx): Delete.
3796 (v850_save_machine_status): Delete.
3797 (v850_restore_machine_status): Delete.
3798 (v850_init_machine_status): New function.
3799 (v850_mark_machine_status): New function.
3800 (v850_free_machine_status): New function.
3801 (v850_return_addr): Use ra_rtx field in machine structure.
3802 (v850_init_expanders): Use new functions.
3804 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3805 * config/v850/v850.c: Change arguments to v850_output+* functions
3806 to take a const char *, to avoid compile time warning.
3807 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3808 (USER_LABEL_PREFIX): Redefine.
3810 2000-01-08 Jim Wilson <wilson@redhat.com>
3812 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3813 1 to unsigned HOST_WIDE_INT before left shift.
3815 2001-01-08 Nick Clifton <nickc@redhat.com>
3817 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3818 the machine structure has been allocated.
3819 (arm_free_machine_status): New function: Free the machine
3820 specific function structure.
3822 2001-01-08 Richard Henderson <rth@redhat.com>
3824 * jump.c (simplejump_p): Revert last change.
3826 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3828 * cppinit.c (init): Rename init_library.
3829 (cpp_create_reader): Update.
3830 * gcc.c (cpp_options): If -o given, use it as the target of
3833 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3835 * arm.c (arm_arch5e): New variable.
3836 (all_cores): XScale is a 5TE device.
3837 (arm_override_options): Set arm_arch5e.
3838 (arm_init_builtins): __builtin_prefetch is in arch5e.
3839 * arm.h (arm_arch5e): Declare it.
3841 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3843 * arm.md (define_constants): Add defines for UNSPEC and
3844 UNSPEC_VOLATILE insns. Update all users.
3845 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3846 * arm.c (multi_register_push, note_invalid_constants)
3847 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3848 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3849 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3851 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3853 * jump.c (jump_optimize_1): Use reversed_comparison_code
3854 instead of can_reverse_comparison_p.
3855 (jump_back_p): Likewise.
3856 (invert_exp_1): Likewise.
3857 (thread_jumps): Likewise.
3858 * simplify-rtx.c (simplify_unary_operation): Likewise.
3859 (simplify_ternary_operation): Likewise.
3860 * cse.c (find_comparison_args): Convert to use
3861 can_reverse_comparison_p.
3862 (record_jump_equiv): Likewise.
3864 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3866 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3867 (EPILOGUE_USES): Define.
3868 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3869 automatically stack the LR if it isn't live.
3871 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3873 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3876 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3878 * ggc-page.c (max_alignment): New structure.
3879 (MAX_ALIGNMENT): New macro.
3880 (init_ggc): Use it to round up the sizes in the
3881 extra_order_size_table.
3883 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3885 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3888 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3890 * builtins.def (BUILT_IN_FPRINTF): New entry.
3892 * c-common.c (c_expand_builtin_fprintf): New function.
3893 (init_function_format_info): Handle __builtin_fprintf.
3894 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3895 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3897 * c-decl.c (duplicate_decls): Adjust comment.
3899 * extend.texi (fprintf): Document new builtin.
3901 2001-01-07 Richard Henderson <rth@redhat.com>
3903 * jump.c (simplejump_p): Recognize any single_set jump
3906 2001-01-07 Richard Henderson <rth@redhat.com>
3908 * configure.in (slibdir): Accept an --with-slibdir option.
3909 Use "test" not "[" in configure. Default to $(libdir).
3911 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3913 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3914 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3915 (SHLIB_LINK): Create links for the soname.
3916 * config/mips/t-iris6: Likewise.
3917 * config/sparc/t-slibgcc: Likewise.
3918 * config/sparc/t-slibgcc-sld: Likewise.
3920 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3922 * config/i386/i386.c (constant_call_address_operand): Accept
3923 (const (plus (symbol_ref) (const_int))).
3924 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3925 constant_call_address_operand.
3927 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3929 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3930 and LONG_LONG_TYPE_SIZE > 32.
3932 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3934 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3935 the previous change.
3937 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3939 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3941 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3942 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3943 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3946 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3948 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3950 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3952 * c-lang.c (c_post_options): Call cpp_post_options.
3953 * objc/objc-act.c (objc_post_options): Similarly.
3954 * cppmain.c (main): Similarly.
3955 * fix-header.c (read_scan_file): Similarly.
3956 * cppinit.c (cpp_start_read): Move option consistency checks
3957 to cpp_post_options. Don't call init_dependency_output.
3958 If needed, add default target and main file dependency.
3959 (OPT_MD, OPT_MMD): Remove.
3961 (cpp_handle_option): Update for OPT_* changes.
3962 (cpp_post_options): New.
3963 (init_dependency_output): Command line -MF overrides environment
3964 variables. Don't set default target etc. Suppress output
3965 if dependencies are going to stdout.
3966 (print_help): Update.
3967 * cpplib.h (cpp_post_options): New.
3968 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3970 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3972 * jump.c (comparison_dominates_p): Support unordered compares.
3974 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3976 * simplify-rtx.c (simplify_relational_operation): Always simplify
3977 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3980 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3982 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3983 (nonzero_bits): Likewise.
3984 (simplify_comparison): Likewise.
3985 (num_sign_bit_copies): Likewise; return more sane value depending
3986 on STORE_FLAG_VALUE.
3987 (known_cond): Do not assume EQ to be always true for equivalent
3990 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3992 * cse.c (fold_rtx): Handle unordered comparisons.
3994 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3996 * rtlanal.c (set_of_1): New static function.
3997 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3998 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3999 reg_set_last_last_regno): Remove.
4000 (set_of): New global function.
4001 (set_of_data): New structure.
4002 (reg_set_p, reg_set_last): Revamp for set_of.
4003 * rtl.h (set_of): New.
4005 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4007 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4008 * extend.texi: Document _Exit builtin.
4010 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4012 * (initialize, initialize_builtins,
4013 initialize_dependency_output, initialize_standard_includes):
4014 Rename s/initialize/init. Update.
4015 (init_dependency_output): Move to after
4016 cpp_handle_options, the correct location temporally at least.
4017 (opt_comp): Move next to init (), its caller. Fix prototype.
4018 (init): Make "initialized" local scope.
4019 (cpp_create_reader): Always call init ().
4020 (cpp_start_read): Update.
4021 (output_deps): New function, broken out of cpp_finish.
4022 (cpp_finish): Break out output_deps.
4024 2001-01-07 Richard Henderson <rth@redhat.com>
4026 * collect2.c (COFF specific stuff): Revert 12-06 patch
4027 to prototype system functions.
4029 2001-01-07 Michael Hayes <mhayes@redhat.com>
4031 * hard-reg-set.h: Add multiple include guard.
4032 * basic-block.h (struct loop): Add `sink' field.
4033 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4034 (emit_iv_add_mult): Delete.
4035 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4036 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4037 (unroll_loop): Remove end_insert_before argument.
4038 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4039 (maybe_eliminate_biv_1): Likewise.
4040 (emit_iv_add_mult): Delete.
4041 (gen_add_mult, loop_regs_update): New.
4042 (loop_insn_emit_after, loop_insn_emit_before): New.
4043 (loop_insn_sink, loop_insn_sink_or_swim): New.
4044 (emit_iv_add_mult): Delete.
4045 (scan_loop): Set loop->sink.
4046 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4047 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4048 (maybe_eliminate_biv_1): Likewise.
4049 (maybe_eliminate_biv_1): Add basic block argument.
4050 * unroll.c (unroll_loop): Remove end_insert_before argument.
4051 (find_splittable_regs): Likewise.
4052 (find_splittable_regs): Use loop_insn_sink and its ilk.
4053 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4055 2001-01-07 Michael Hayes <mhayes@redhat.com>
4057 * loop.h (loop_insn_hoist): New prototype.
4058 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4059 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4060 (check_dbra_loop, load_mems): Likewise.
4061 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4062 (find_splittable_givs): Likewise.
4064 2001-01-07 Michael Hayes <mhayes@redhat.com>
4066 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4068 2001-01-07 Richard Henderson <rth@redhat.com>
4070 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4072 2001-01-07 Richard Henderson <rth@redhat.com>
4074 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4075 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4076 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4077 variant that handles a shared libgcc.
4078 (process_command): Always validate -{static,shared}-libgcc.
4079 (do_spec_1): New 'M' case.
4080 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4082 2001-01-07 Richard Henderson <rth@redhat.com>
4084 * Makefile.in (slibdir): New variable.
4085 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4086 (installdirs): Create slibdir.
4087 (install-libgcc, install-multilib): Defer to libgcc.mk.
4088 * configure.in (slibdir): Substitute.
4089 * mklibgcc.in (install): New target.
4091 * config/t-linux (SHLIB_LINK): Create links for the soname.
4092 (SHLIB_INSTALL): New.
4093 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4094 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4095 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4096 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4097 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4099 2001-01-07 Richard Henderson <rth@redhat.com>
4101 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4102 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4103 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4105 2001-01-07 Michael Hayes <mhayes@redhat.com>
4107 * loop.c (count_loop_regs_set): Delete.
4108 (load_mems_and_recount_loop_regs_set): Delete.
4109 (loop_regs_scan): Merge common code from count_loop_regs_set,
4110 scan_loop, and load_mems_and_recount_loop_regs_set.
4111 (scan_loop): Call load_mems directly and loop_regs_scan
4112 again if new registers created.
4114 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4116 * toplev.c (main): Call the front-end specific post_options
4117 hook if one is given.
4118 * toplev.h (struct_lang_hooks, lang_hooks): New.
4119 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4120 for the C front end.
4121 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4122 lang_hooks for the C++ front end.
4123 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4124 lang_hooks for the ObjC front end.
4125 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4126 * java/lang.c (lang_hooks): Hooks for the Java front end.
4128 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4130 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4131 for verbose DWARF[2] debugging.
4132 (cb_define, cb_undef): The new callbacks.
4133 * toplev.h (debug_define, debug_undef): Make const correct.
4134 * toplev.c (debug_define, debug_undef): Similarly. Do not
4135 perform the verbosity tests here anymore.
4137 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4139 * reload.c (subst_reloads): Take INSN argument. When
4140 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4141 * reload.h (subst_reloads): Adjust prototype.
4142 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4143 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4144 present in JUMP_INSNs and copy them to JUMP_LABEL.
4145 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4146 JUMP_INSNs and insns with REG_LABELs that are followed by
4147 JUMP_INSNs with the same REG_LABEL.
4148 * sched-rgn.c (is_cfg_nonregular): Likewise.
4149 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4151 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4153 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4155 2001-01-06 Richard Henderson <rth@redhat.com>
4157 * loop.c (scan_loop): Use xcalloc for the regs array.
4158 (load_mems_and_recount_loop_regs_set): Zero the new memory
4159 received from xrealloc.
4161 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4163 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4165 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4167 * integrate.c (copy_rtx_and_substitute): When copying
4168 an ignored return value, strip REG_FUNCTION_VALUE_P.
4170 2001-01-06 Michael Hayes <mhayes@redhat.com>
4172 * loop.c (debug_biv, debug_giv): New.
4173 (loop_biv_dump): Break out from ...
4174 (record_biv): ... here.
4175 (loop_giv_dump): Break out from ...
4176 (record_giv): ... here.
4177 (loop_bivs_check): Use print_simple_rtl.
4178 * unroll.c (loop_iterations): Use print_simple_rtl.
4180 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4182 * pa.md (return, return_internal): Modify patterns to prevent regrename
4183 mucking with the return pointer.
4185 2001-01-05 Richard Henderson <rth@redhat.com>
4187 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4189 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4191 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4192 version supplied by Matteo Frigo.
4194 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4196 * cpp.texi: Update for -MQ.
4197 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4198 (cpp_cleanup): Always free pfile->deps.
4199 (initialize_dependency_output): Don't create pfile->deps.
4200 (cpp_handle_option): Similarly.
4202 * gcc.c (cpp_options): Handle -MQ.
4203 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4204 * mkdeps.c (base_name): Remove.
4205 (deps_init): Don't allocate vector space until it's needed.
4206 (deps_free): Only free vectors if allocated.
4207 (deps_add_target, deps_add_dep): Update for initial allocation.
4208 (deps_add_default_target): Don't strip to the base_name.
4210 2001-01-05 DJ Delorie <dj@redhat.com>
4212 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4213 (INIT_EXPANDERS): Define.
4215 * config/v850/v850.c (struct machine_function): Define.
4216 (v850_save_machine_status): New function.
4217 (v850_restore_machine_status): New function.
4218 (v850_return_addr): New function.
4219 (v850_init_expanders): New function.
4221 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4222 and v850_init_expanders.
4224 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4226 * cpplib.h (struct cpp_reader): Add help_only field.
4227 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4228 (cpp_handle_option): Set pfile->help_only if we see -h,
4229 --help, -target-help, or --version. Print version string but
4230 do not set help_only if we see -v or -version. Make text
4231 printed by -v match that printed by (-)-version.
4233 * cppmain.c (main): Exit after option parsing if
4234 pfile->help_only is true.
4236 * toplev.c (independent_decode_option): Call print_version,
4237 then exit, if we see --version (but not -version).
4238 (print_version): Split lengthy message into two lines.
4240 2001-01-05 Nick Clifton <nickc@redhat.com>
4242 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4243 temporary string for initialisation before calling ggc_alloc_string.
4245 2001-01-06 Michael Hayes <mhayes@redhat.com>
4247 * rtl.h (print_simple_rtl): New.
4248 * print-rtl.c (print_simple_rtl): New.
4250 (print_rtx): Disable printing of flags and modes, etc.,
4251 if `flag_simple` nonzero.
4253 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4255 * function.c (fixup_var_refs): Use push_to_full_sequence where
4258 2001-01-05 Michael Meissner <meissner@redhat.com>
4260 * flags.h (flag_reorder_blocks): Add declaration.
4261 (flag_rename_block): Ditto.
4263 2001-01-05 DJ Delorie <dj@redhat.com>
4265 * function.c (reorder_blocks): Make sure the flags are all reset
4266 before using them to mark blocks, else a second invocation will
4267 corrupt the block chain.
4268 (reorder_blocks_0): New, resets the flags.
4270 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4272 * cse.c (find_comparison_args): Stop if the argument is known to
4275 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4277 * config/sh/sh.md (movdf): When splitting load into pair of
4278 registers, don't clobber the register used in the address too
4281 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4283 * varasm.c (mark_constant_pool): Improve initial comments.
4284 (mark_constants): Move marking of constants to mark_constant.
4285 (mark_constant): New function to recursively mark all constants
4286 referred to by a constant.
4288 2001-01-05 Catherine Moore <clm@redhat.com>
4290 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4292 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4294 * cp/lang-options.h: Bring comment in line with reality.
4295 * f/lang-options.h: Likewise.
4296 * java/lang-options.h: Likewise.
4297 * objc/lang-options.h: Likewise.
4298 * ch/lang-options.h: Likewise.
4299 * f/g77.texi: And update the manual.
4301 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4302 Denis Chertykov <denisc@overta.ru>
4304 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4305 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4306 * config/avr/avr.md (all peepholes that request a scratch register):
4307 Call it, FAIL the peephole if not safe (in interrupt functions).
4309 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4311 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4313 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4315 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4317 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4318 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4319 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4320 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4321 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4323 * extend.texi: Document these builtins.
4325 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4327 * c-common.c (lang_get_alias_set): Say we know nothing of
4328 VECTOR_TYPE aliasing.
4330 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4332 2001-01-05 Bruce Korb <bkorb@gnu.org>
4334 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4335 their x* equivalent versions for atexit-less systems
4336 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4337 systems (or any other system any more).
4339 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4341 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4342 output operands. Use arm_hard_register_operand for operand 4.
4343 (stmsi_postinc): Similarly.
4344 (ldmsi): Use arm_hard_register_operand for opernand 2.
4346 * arm.c (arm_hard_register_operand): New function.
4347 * arm-protos.h (arm_hard_register_operand): Prototype it.
4349 * arm.h (HARD_REGNO_RENAME_OK): Define.
4351 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4353 * simplify-rtx.c (cfc_args): add "unordered" field.
4354 (check_fold_consts): Set unordered field.
4355 (simplify_relational_operation): Simplify the unordered
4358 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4361 * emit-rtl.c (try_split): Fix code to mark labels.
4362 * jump.c (mark_jump_label): Make global.
4363 * rtl.h (mark_jump_label): Declare.
4365 * predict.c (estimate_probability): Handle unordred comparisons.
4367 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4369 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4370 * cppinit.c (initialize_dependency_output): Update.
4371 (cpp_finish): Output dummy targets for -MP.
4373 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4374 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4375 * gcc.c (cpp_options): Update to handle -MP.
4376 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4377 to quote only the default target.
4378 (deps_phony_targets): Insert a preceding newline. Rename from
4379 deps_dummy_targets for consistency.
4382 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4384 * calls.c (emit_library_call_value_1): Support
4385 INIT_CUMULATIVE_LIBCALL_ARGS.
4386 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4388 2001-01-04 Richard Henderson <rth@redhat.com>
4390 * c-decl.c (finish_struct): Detect flexible array members
4391 used in an inappropriate context.
4392 * c-typeck.c (really_start_incremental_init): Special case
4393 constructor_max_index for zero length arrays.
4394 (pop_init_level): Allow initialization of flexible array
4395 members. Deprecate initialization of zero length arrays.
4396 Don't issue missing initializer warning for flexible array
4397 members or zero length arrays.
4398 (process_init_element): Don't dereference null DECL_SIZE.
4399 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4400 Don't abort for empty constructors. Use size_binop
4401 (output_constructor): Add commentary regarding zero length
4402 array futures. Abort if we try to initialize an array of
4403 unspecified length with a non-empty constructor in the middle
4406 * extend.texi (Zero Length): Update and clarify documentation
4407 on static initialization.
4409 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4411 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4412 with more than 32767 words of local storage.
4414 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4416 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4417 for 'abs', 'labs', and 'fabs'.
4418 (c4x_expand_builtin): Likewise.
4419 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4421 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4423 * config/sh/sh.md (prget, prset): New insn types.
4424 (return delay slot): Dont' allow prset.
4425 (call, sfunc delay slot): Don't allow prget.
4426 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4427 for prset and prget.
4429 2001-01-05 Michael Hayes <mhayes@redhat.com>
4431 * loop.h (struct loop_reg): New.
4432 (struct loop_regs): Change to use array of `struct loop_reg'.
4433 * loop.c: Replace assortment of varrays with single regs array.
4434 (count_one_set): Delete may_not_move array argument
4435 and use regs array instead. All caller's changed.
4436 (count_loop_regs_set): Delete may_not_move and single_usage
4437 arguments and use regs array instead. All caller's changed.
4438 (find_single_use_in_loop): Replace usage array argument with pointer
4439 to regs structure. All caller's changed.
4440 (loop_optimize): Delete `moved_once' array.
4442 2001-01-05 Michael Hayes <mhayes@redhat.com>
4444 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4445 Use it instead of loop_info->has_call for scanning loop mems.
4446 (check_dbra_loop): Replace loop_info->has_call test with
4447 loop_info->has_nonconst_call.
4449 2000-01-04 Matthew Hiller <hiller@redhat.com>
4451 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4454 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4456 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4457 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4459 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4461 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4462 (flag_short_double, flag_short_wchar): Define.
4463 (c_common_nodes_and_builtins): Create many tree nodes shared
4464 between C and C++ here instead of in cp/decl.c and ...
4465 * c-decl.c (init_decl_processing): ... here.
4466 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4467 (flag_short_double, flag_short_wchar): Don't define.
4468 (record_builtin_type): New function.
4469 (build_void_list_node): New function.
4470 * c-common.h (flag_short_double, flag_short_wchar,
4471 record_builtin_type, build_void_list_node): Declare.
4473 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4475 * integrate.c (expand_inline_function): Don't put a virtual
4476 register into the reg map.
4478 * function.c (fixup_var_refs_1): If force_operand didn't put
4479 the address into the target, move it there.
4481 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4483 Special-case tree_decl/tree_list allocations.
4484 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4485 (OBJECT_SIZE): New macro.
4486 (NUM_EXTRA_ORDER): Likewise.
4487 (extra_order_size_table): New variable.
4488 (NUM_ORDERS): New macro.
4489 (objects_per_page_table): New variable.
4490 (object_size_table): New variable.
4491 (G.pages): Use NUM_ORDERS to bound the array.
4492 (G.page_tails): Likewise.
4493 (DIV_ROUND_UP): Remove.
4494 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4495 (alloc_page): Use OBJECT_SIZE.
4496 (size_lookup): Don't make it const.
4497 (ggc_alloc): Use OBJECT_SIZE.
4498 (ggc_set_mark): Likewise.
4499 (ggc_get_size): Likewise.
4500 (init_ggc): Set up the object_size_table, objects_per_page_table,
4501 and adjust size_lookup.
4502 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4503 (ggc_pop_context): Use NUM_ORDERS.
4504 (clear_marks): Likewise.
4505 (sweep_pages): Likewise.
4506 (poison_pages): Likewise.
4507 (ggc_print_statistics): Use OBJECT_SIZE.
4509 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4511 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4512 Only call array_size_for_constructor if last field and array type
4513 with no upper bound.
4515 2001-01-04 Philip Blundell <philb@gnu.org>
4517 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4518 from bit 31 downwards, if this requires no more insns.
4519 (count_insns_for_constant): New helper function for above.
4521 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4523 * gencodes.c (output_predicate_decls): Remove empty initializer.
4525 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4527 * tree.c (copy_node): Remove documentation about obstacks.
4528 (buidl1): Check that nobody tries to build 2-argument nodes this
4531 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4533 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4536 * gencodes.c (output_predicate_decls): Fill empty initializer
4539 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4541 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4542 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4544 (do_include): Handle missing headers like cpp0.
4545 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4546 paths with first include pathname. Don't strcat to uninitialized
4549 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4551 * regrename.c (regrename_optimize): Don't rename from frame pointer
4552 if frame_pointer_needed.
4553 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4554 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4555 (ia64_reorg): Use it instead of scheduling if ! optimize.
4556 (errata_emit_nops): Properly call asm_noperands.
4557 (ia64_sched_reorder): Finish cycle if we see an asm.
4558 (ia64_variable_issue): Clear scheduling state after asms.
4560 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4562 * cpp.texi: Update for -MT.
4563 * cppinit.c (initialize_dependency_output): Add a default
4564 target if none has been given already.
4565 (no_tgt, OPT_MT): New.
4566 (cpp_handle_option): Handle -MT. Update -M etc.
4567 * cpplib.h (struct cpp_options): Remove deps_target.
4568 * gcc.c (cpp_options): Handle -MT.
4569 * mkdeps.c (struct deps): Move from mkdeps.h.
4570 (deps_calc_target): Rename deps_add_default_target. Add a
4571 default target if none has been specified already.
4572 * mkdeps.h (struct deps): Move to mkdeps.c.
4573 (deps_calc_target): Rename deps_add_default_target.
4575 2000-01-03 Richard Henderson <rth@redhat.com>
4577 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4579 * c-typeck.c (push_init_level): Move checks for flexible array
4580 members and zero length arrays ...
4581 (pop_init_level): ... here. Silently discard empty initializations.
4583 * varasm.c (output_constructor): Update for sizeof change to
4586 * extend.texi (Zero Length): Clarify semantics.
4588 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4590 * configure.in (tm.h): Include isns-codes.h last.
4591 * configure: Rebuilt.
4593 2001-01-03 Richard Henderson <rth@redhat.com>
4595 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4596 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4598 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4600 * tradcpp.c (main): Make sure finclude() is called with a valid
4601 indepth value while handling -include.
4603 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4605 * gencodes.c (output_predicate_decls): New function.
4607 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4608 even if it is not the first time machmode.h is #included.
4609 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4610 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4611 * gcc.texi (Copyright): Added 2001.
4613 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4615 * c-common.c (c_common_lang_init): New function. Warn if format
4616 warning options which only have effects when used with -Wformat
4617 are used without -Wformat.
4618 * c-common.h (c_common_lang_init): Declare.
4619 * c-lang.c (lang_init): Call c_common_lang_init.
4620 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4622 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4624 * configure.in: Check for the mktemp command.
4625 * configure: Regenerate.
4626 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4627 $TEMP. Create temporary files with mktemp, if available at
4628 configure time; otherwise use set -C. Remove temporary files
4631 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4633 * configure.in: Require at least texinfo 4.0. Check for whether
4634 Pod::Man is sufficiently recent to regenerate GCC manpages.
4635 * configure: Regenerate.
4636 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4638 (GENERATED_MANPAGES): Define.
4639 (generated-manpages): New target. Depend on cpp.1 as well as
4641 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4642 configure to generated-manpages or empty) rather than on the
4643 manpages directly. Remove execute permission from installed
4644 gcov.1 as well as cpp.1.
4645 * cpp.1, gcov.1: Regenerate.
4647 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4649 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4650 tree_low_cst. Allow using cmpstrsi in more cases.
4652 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4654 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4657 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4659 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4660 * Makefile.in (HOST_CFLAGS): Mention build-make.
4662 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4664 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4667 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4669 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4672 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4675 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4676 reg_base_value and reg_known_value arrays.
4677 (init_alias_analysis): Add more cases to detect known values.
4678 * sched-deps.c (deps_may_trap_p): New function.
4679 (sched_analyze_2): Use it.
4681 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4683 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4684 don't discard an ASHIFTRT if we're shifting in a wider mode.
4686 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4688 * toplev.c (rest_of_compilation): Don't print basic block information
4689 when CFG isn't up to date.
4691 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4693 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4694 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4695 (UNALIGNED_SHORT_ASM_OP): Define.
4696 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4698 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4700 * fold-const.c (fold_convert): Fix typo.
4702 2001-01-02 Richard Henderson <rth@redhat.com>
4704 * c-common.h (ASM_INPUT_P): New.
4705 * c-parse.in (asm): Set it when needed.
4706 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4707 existance of an operand.
4709 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4711 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4712 (dwarf2out_frame_debug_expr): Likewise.
4713 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4715 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4717 * i386.c (ix86_split_to_parts): Return number of part required;
4719 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4721 (ix86_split_long_move): Use number of part returned
4722 by ix86_split_to_parts
4723 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4725 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4726 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4727 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4728 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4729 (ALIGN_MODE_128): Add TFmode.
4730 (IS_STACK_MODE): Likewise.
4731 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4732 (HARD_REGNO_OK): Support TFmodes.
4733 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4734 * i386.md (scheduler definitions): Use memory operand to determine
4735 fst/fld instructions; use mode attribute to determine real mode of
4737 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4738 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4740 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4742 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4744 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4746 * expr.c (store_constructor_field): Update ALIGN before calling
4749 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4751 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4754 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4756 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4759 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4761 * c-decl.c (start_function): Don't warn on third parameter to main.
4763 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4765 * tsystem.h: Define HAVE_DECL_GETOPT.
4767 2001-01-02 Philip Blundell <pb@futuretv.com>
4769 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4772 2001-01-02 Richard Henderson <rth@redhat.com>
4774 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4776 2001-01-02 Andreas Jaeger <aj@suse.de>
4778 * c-decl.c (c_decode_option): Remove support of
4781 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4782 (W_options): Add -Wmissing-noreturn here.
4784 * flow.c: Define lang_missing_noreturn_ok_p.
4785 (check_function_return_warnings): Use it.
4787 * c-common.h: Declare lang_missing_noreturn_ok_p.
4789 * c-lang.c (c_missing_noreturn_ok_p): New function.
4790 (lang_init): Set lang_missing_noreturn_ok_p.
4792 * invoke.texi (Warning Options): Document this.
4794 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4796 * extend.texi (C++ Extensions): New node for C++ attributes;
4797 describe init_priority and com_interface.
4798 * invoke.texi: Remove -finit-priority as it now has zero effect.
4799 * install.texi: Fix xref syntax.
4800 * md.texi: Likewise.
4802 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4804 * config.gcc (sparc64-wrs-vxworks*): New case.
4805 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4807 * config/sparc/sparc.c (sparc_override_options): Do support different
4808 pointer and architecture size.
4809 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4810 (POINTERS_EXTEND_UNSIGNED): Define.
4811 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4812 (FUNCTION_MODE): Define to be Pmode.
4813 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4815 * function.c (expand_function_end): Properly handle DECL_RESULT
4816 and copy when ptr_mode != Pmode.
4817 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4819 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4821 * c-common.c (c_common_nodes_and_builtins): Set prototype
4822 parameters for __builtin_fputs, __builtin_fputc and
4823 __builtin_fwrite. Don't declare plain fputc as a builtin.
4825 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4827 * loop.c (add_label_notes): Increment the label usage count when
4828 a note is added to an insn which refers to a CODE_LABEL.
4829 * gcse.c (add_label_notes): Likewise.
4831 2001-01-01 Andreas Jaeger <aj@suse.de>
4833 * loop.c (scan_loop): Use xmalloc to allocate movables.
4835 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4837 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4838 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4839 * reload1.c (REGISTER_MOVE_COST): Likewise.
4840 * regclass.c (REGISTER_MOVE_COST): Likewise.
4841 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4842 dimension. Adjust all users.
4843 (init_reg_sets_1): Iterate on all modes.
4844 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4845 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4846 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4847 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4848 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4849 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4850 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4851 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4852 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4853 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4854 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4855 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4856 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4857 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4858 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4859 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4860 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4861 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4862 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4863 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4864 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4865 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4866 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4867 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4868 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4869 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4870 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4872 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4874 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4875 arg VARIES_P. Call it with extra arg.
4876 (true_dependence): Likewise.
4877 * rtl.h (rtx_addr_can_trap_p): Declare.
4878 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4880 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4881 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4882 pic offset table register if it's zero. All callers changed.
4883 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4885 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4887 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4888 STRING_POOL_ADDRESS_P.
4890 * config/sparc/sparc.c (input_operand): Properly test for short op.
4892 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4893 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4894 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4895 * config/sparc/elf.h: No longer include sol2.h.
4896 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4897 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4899 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4901 2001-01-01 Michael Hayes <mhayes@redhat.com>
4903 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4904 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4905 (record_initial): Likewise.
4906 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4907 (remap_split_bivs): Likewise.
4909 2001-01-01 Michael Hayes <mhayes@redhat.com>
4911 * loop.c (loop_ivs_free): New function.
4912 (strength_reduce): Break out from...
4914 2001-01-01 Michael Hayes <mhayes@redhat.com>
4916 * loop.h (struct iv): New.
4917 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4918 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4919 'reg_biv_class' fields with 'regs' and 'n_regs'.
4920 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4921 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4922 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4924 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4926 * resource.c (mark_referenced_resources): Abort() before
4927 attempting to mark a pseudo register.
4928 (mark_set_resources): Likewise.
4930 2001-01-01 Michael Hayes <mhayes@redhat.com>
4932 * loop.h (REG_IV_CLASS): New accessor macro.
4933 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4934 * unroll.c (REG_IV_CLASS): Likewise.
4936 See ChangeLog.4 for earlier changes.