1 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4 add missing '%' in constraints.
6 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
9 for HOST_BITS_PER_WIDE_INT == 32 too.
11 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
13 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
15 (insert_save, insert_restore): New parameter save_mode.
16 (init_caller_save): Update initialization of reg_save_code
18 (save_call_clobbered_regs): Compute save_modes and update calls to
19 reg_save_code and reg_restore_code.
20 (insert_restore): Unsignetize numbers; use save_modes to choose mode
21 of spill; update use of reg_restore_code.
22 (insert_save): Likewise.
23 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
24 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
25 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
27 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
29 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
30 noce_try_store_flag_inc, noce_try_store_flag_mask,
31 noce_try_cmove_arith):
32 Use reversed_comparison_code instead of reverse_comparison and
33 can_reverse_comparison_p.
35 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
37 * jump.c (reversed_comparison_code_parts): Allow reversal of
38 unordered compares in -ffast-math mode; reverse ordered compares
39 for FP even w/o -ffast-math.
41 2001-02-27 Richard Henderson <rth@redhat.com>
43 * print-rtl.c (print_rtx) [i]: Don't print field five on
44 NOTEs other than NOTE_INSN_DELETED_LABEL.
46 2001-02-27 Zack Weinberg <zackw@stanford.edu>
48 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
49 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
51 2001-02-27 Diego Novillo <dnovillo@redhat.com>
53 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
54 even if walk_subtrees is 0.
55 * c-semantics.c (prune_unused_decls): Return a non-null value to
56 stop traversing the tree chain.
58 2001-02-27 DJ Delorie <dj@redhat.com>
60 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
61 register, *then* define it as the new CFA.
63 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
65 * pa.c (override_options): Promote -fpic to -fPIC.
66 (legitimize_pic_address): Simplify due to removal of
67 small PIC as a code generation option.
68 (secondary_reload_class): Similarly.
69 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
70 (PRINT_OPERAND_ADDRESS): Similarly.
71 * pa.md (various patterns): Similarly.
72 (small pic lo_sum pattern): Remove.
74 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
77 * md.texi (min, max): Document
79 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
81 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
82 TARGET_PARTIAL_REG_DEPENDENCY.
83 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
85 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
87 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
89 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
91 * mips.c (mips_make_temp_file): Fix thinko in last change.
93 2001-02-26 Jason Eckhardt <jle@redhat.com>
95 * combine.c (known_cond): Do not reverse the condition when
96 SMAX/UMAX is being considered and the condition is for equality
99 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
101 2001-02-26 Philip Blundell <philb@gnu.org>
103 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
105 * config/arm/linux-elf.h: Remove historical relics related to
106 above configurations.
107 * config/arm/linux-oldld.h: Delete.
108 * config/arm/linux-elf26.h: Delete.
110 2001-02-26 Jason Merrill <jason@redhat.com>
112 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
114 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
115 recognize a tentative definition. Lose obsolete code.
117 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
118 variables unless necessary, either.
120 2001-02-25 Richard Henderson <rth@redhat.com>
122 * ifcvt.c (struct noce_if_info): Add test_bb.
123 (noce_get_alt_condition): New.
124 (noce_try_minmax, noce_try_abs): New.
125 (noce_operand_ok): New.
126 (noce_process_if_block): Use them.
127 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
129 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
131 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
134 2001-02-25 Zack Weinberg <zackw@stanford.edu>
136 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
137 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
139 (mips_asm_file_end): Free temp_filename here.
141 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
143 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
144 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
146 * config/i386/i386.md (movstrsi): Handle FAIL case.
148 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
150 * cppinit.c (builtin_array): Update.
151 (init_builtins): Flag builtins to warn if redefined or
152 undefined. Define __GXX_WEAK as a normal macro.
153 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
154 * cpplib.h (NODE_WARN): New flag.
155 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
156 Handle __STDC__ as a builtin only on Solaris.
157 (warn_of_redefinition): Renamed from check_macro_definition.
158 Reverse sense of test. Always warn if NODE_WARN.
159 (_cpp_create_definition): Use warn_of_redefinition. Flag
160 any macro beginning with "__STDC_" to require a mandatory
161 warning if redefined or undefined.
163 2001-02-24 Zack Weinberg <zackw@stanford.edu>
165 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
166 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
167 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
168 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
169 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
170 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
172 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
173 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
174 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
175 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
176 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
178 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
179 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
182 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
183 Delete now-empty file.
185 * alpha/vms.h: Define NEED_ATEXIT here...
186 * alpha/xm-vms.h: ...not here.
188 * i386/cygwin.h: Don't define PARAMS.
189 * mips/mips.c: Don't prototype mktemp. Don't define
190 P_tmpdir. Use make_temp_file to create temporary files.
191 Don't be clever and delete temporary files early.
192 * config.gcc: Drop references to deleted files. Don't define
194 * gcc.texi: Don't mention USE_PROTOTYPES.
196 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
198 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
199 (ix86_set_move_mem_attrs_1): Likewise.
200 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
201 * config/i386/i386.md (movstrsi): Call it.
203 2001-02-24 Zack Weinberg <zackw@stanford.edu>
205 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
206 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
207 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
208 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
210 (i750a-*-*): Error here if hosting on i750a.
211 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
213 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
214 Remove (empty modulo comments).
216 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
217 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
218 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
219 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
220 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
221 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
223 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
224 Remove reference to winnt.h in comment.
225 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
227 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
229 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
230 used to set another biv.
232 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
234 * tree.h (BLOCK_DEAD): New macro.
235 (struct tree_block): New flag, dead_flag.
236 * print-tree.c (print_node, case 'b'): Print missing fields.
237 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
238 * function.c (identify_blocks): Enable test for misplaced notes.
239 (all_blocks): Skip BLOCK_DEAD blocks.
240 * integrate.c (integrate_decl_tree): Likewise.
242 * errors.c (internal_error, trim_filename): New functions.
243 (fancy_abort): Call internal_error.
244 * errors.h (internal_error, trim_filename): New declarations.
246 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
248 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
250 (EXTRA_CONSTRAINT): Formatting changes.
252 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
254 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
256 2001-02-23 Per Bothner <per@bothner.com>
258 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
259 so they can be called from java/jvspec.c.
260 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
262 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
264 * i386.c (ix86_frame): New structure.
265 (ix86_compute_frame_size): Kill.
266 (ix86_compute_frame_layout): New.
267 (ix86_save_reg): New.
268 (ix86_can_use_return_insn_p): Use frame layout stuff.
269 (ix86_expand_prologue): Likewise.
270 (ix86_expand_epilogue): Likewise.
271 (ix86_initial_elimination_offset): Likewise.
272 (ix86_nsaved_regs): Use ix86_save_reg.
273 (ix86_emit_save_regs): Likewise.
275 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
277 * flow.c (find_sub_basic_blocks): New function.
278 (split_block): Be ready for basic block introduced by CODE_LABEL.
279 (commit_one_edge_insertion): Call find_sub_basic_block.
281 * flow.c (make_edges): Add edge from entry for blocks starting with
282 label having ALTERNATE_NAME
284 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
286 * function.c (epilogue_done): Be ready for first basic block not
287 containing PROLOGUE_END note.
288 (reposition_prologue_and_epilogue_notes): Avoid placing
289 PROLOGUE_END note between BASIC_BLOCK.
291 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
293 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
295 2001-02-21 DJ Delorie <dj@redhat.com>
297 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
298 check for current_function_has_nonlocal_goto from 1999-11-12.
300 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
302 * diagnostic.c (trim_filename): No longer static.
303 * toplev.h (trim_filename): Declare.
304 * rtl.c (rtl_check_failed_bounds): Call internal_error.
305 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
306 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
307 (rtvec_check_failed_bounds): Likewise.
308 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
310 * convert.c (convert_to_integer): Don't do unsigned unless result or
311 both inputs are unsigned.
313 * fold-const.c (fold_convert): Don't call size_int_type_wide if
316 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
318 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
320 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
322 * Makefile.in (resource.o): Add params.h dependence.
323 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
324 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
325 * resource.c: Add dependence on params.h.
326 (current_live_regs): Fix explanatory comment.
327 (find_basic_block): Add new parameter to permit limiting search
329 (mark_target_live_regs): Add new argument to find_basic_block call.
330 (incr_ticks_for_insn): Likewise.
332 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
334 * diagnostic.c (output_to_stream): Rename to
335 output_buffer_to_stream. Loses the stream parameter.
336 (init_output_buffer): Set diagnosic_buffer's stream.
337 (flush_diagnostic_buffer): Adjust.
338 (default_print_error_function): Likewise.
339 (finish_diagnostic): Likewise.
340 (verbatim): Likewise.
342 * diagnostic.h (struct output_buffer): Add `stream' field.
343 (output_buffer_attached_stream): New macro.
345 2001-02-23 Jakub Jelinek <jakub@redhat.com>
347 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
348 check if either operand is divisible by C.
349 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
350 If type is signed, consider negative numbers as well.
352 2001-02-22 Richard Henderson <rth@redhat.com>
354 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
355 reach .text instead of gp-relative relocs.
356 * config/ia64/crtend.asm (.init): Likewise.
358 2001-02-22 Andreas Jaeger <aj@suse.de>
360 * extend.texi (C++ Attributes): Fix typo.
362 2001-02-21 David Mosberger <davidm@hpl.hp.com>
364 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
365 functions, drop current_function_args_info.words test.
366 (ia64_compute_frame_size): Mark syscall_linkage functions as
367 using eight input registers.
369 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
370 Bruce Korb <bkorb@gnu.org>
372 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
373 * fixinc/README: Document how to convert sed substitutions
374 to format style c_fix-es.
375 * fixinc/fixincl.x: regen
377 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
379 * gcc.c: Add comment explaining how to add a command-line option.
380 Add title to specs language comment.
382 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
384 * gcc.c (cc1_options): Add "-param".
385 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
386 (option_map): Likewise.
387 * toplev.c (display_help): Add entry for "--param".
388 (independent_decode_option): Fix typographical error.
390 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
391 Bernd Schmidt <bernds@redhat.com>
392 Jan Hubicka <jh@suse.cz>
394 * i386.c (function_arg_advance): Pass SSE arguments in registers.
395 (function_arg): Likewise.
397 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
399 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
401 2001-02-21 Kazu Hirata <kazu@hxi.com>
403 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
407 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
409 * flow.c (init_propagate_block_info): Canon address and use single_set
410 for killing dead memory stores.
412 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
414 * Makefile.in (reorg.o): Add params.h dependence.
415 * params.def: Fix typographical error in comment.
416 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
417 * params.h: Modify introductory comment.
418 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
419 * reorg.c: Add dependence on params.h.
420 (redundant_insn): Add parameterized throttle for search.
421 (fill_simple_delay_slots): Add a comment explaining a variable.
422 Move conditional out of loop, simplifying code.
423 (fill_eager_delay_slots): Fix typographical error in comment.
425 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
427 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
429 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
430 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
432 2001-02-21 Jason Merrill <jason@redhat.com>
434 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
435 (struct tree_decl): Add uninlinable bitfield.
436 * c-decl.c (duplicate_decls): Set it.
437 * integrate.c (function_cannot_inline_p): Check it.
439 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
440 DW_AT_MIPS_linkage_name to abstract methods.
441 (dwarf2out_abstract_function): Emit class context before calling
442 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
443 (gen_subprogram_die): Remove obsolete code.
444 (gen_member_die): Don't include clones in the member list.
445 (gen_decl_die): Emit abstract info for clone origin.
446 * dwarfout.c (output_type): Don't include clones in the member list.
447 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
448 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
449 DECL_ABSTRACT on a function that already has it set.
451 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
452 (get_subprogram_die): Pass it in.
454 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
456 * flow.c (mark_set_1): Make not_dead unsigned long. For
457 non-pseudos, use it as a bitmask of the hard regs that
460 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
462 * cppfiles.c: Update comments.
463 (_cpp_read_file): Don't check for NULL filenames any more.
464 * cppinit.c (cpp_start_read): Don't do canonicalization of
465 in_fname and out_fname. Use the passed file name exclusively.
466 (_cpp_handle_options): Don't treat "-" as a command line option,
467 but as a normal filename.
468 (_cpp_post_options): Canonicalize in_fname and out_fname.
469 * cppmain.c (printer_init): Don't check out_fname for NULL.
470 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
471 (init_c_lex): Update, and use "" to represent stdin to CPP.
474 2001-02-20 Will Cohen <wcohen@redhat.com>
476 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
477 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
478 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
481 2001-02-20 Stan Shebs <shebs@apple.com>
483 * config/rs6000/rs6000.c (output_cbranch): Output branches
484 on separate lines instead of using ';' to separate.
486 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
488 * cppinit.c (set_lang): Move builtin handling to...
489 (init_builtins): ...here.
490 (_cpp_create_reader): Move call to set_lang.
492 2001-02-20 Mark Mitchell <mark@codesourcery.com>
494 * stmt.c (expand_return): If an attempt is made to return the
495 error_mar_node, treat the return like a return without a value.
497 2001-02-19 Zack Weinberg <zackw@stanford.edu>
499 * sibcall.c (skip_copy_to_return_value): Call
500 identify_call_return_value here, and return orig_insn if it
501 returns zero. Hardret and softret arguments now unnecessary.
502 (call_ends_block_p): Don't call identify_call_return_value here.
504 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
506 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
507 * ggc.h (ggc_mark_if_gcable): Delete prototype.
509 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
511 * pa.c (move_operand): Accept code to load the address of a
512 symbol out of the DLT as a valid move operand.
513 (print_operand, case 'A'): New to handle generating a DLT
514 reference for a LO_SUM expression.
515 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
516 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
518 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
520 * README, cpp.texi, gcc.texi, version.c: Update version number to
522 * cpp.1, gcov.1, gcc.1: Regenerate.
524 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
526 * cppfiles.c (stack_include_file): Generate dependencies
527 here, and manage include_count here too.
528 (PRINT_THIS_DEP): Delete.
529 (_cpp_execute_include): Do not generate dependencies here,
530 apart from the case of a missing header. Do not manage
532 (_cpp_read_file): Leave dependency generation to
535 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
537 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
538 target_cpu_default. Remove dead assignment to
541 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
543 * regclass.c (contains_reg_of_mode): Make global.
544 (init_reg_sets): Remove contains_reg_of_mode; take into account
545 CLASS_MAX_NREGS when looking for the proper mode.
546 (dump_regclass): Dump only classes considered for the pseudo.
547 (regclass): Use contains_reg_of_mode.
549 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
551 * gcc.c (do_spec_1): 'n' for printing notices.
552 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
554 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
556 * reg-stack.c (next_flags_user): Use current_block->end
557 (swap_rtx_condition): Look for next user if flags don't die;
558 give up on CALL_INSNs; use current_block->end.
560 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
562 * sibcall.c (call_ends_block_p): New function.
563 (optimize_sibling_and_tail_recursive_call): Use it.
565 2001-02-18 Kazu Hirata <kazu@hxi.com>
567 * config/h8300/h8300.md: Update copyright.
568 (andsi3): Do not output an extra newline character.
570 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
572 * toplev.c (note_deferral_of_defined_inlined_function): Argument
573 FNDECL may be unused.
575 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
576 follow jumps after first run.
577 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
578 it doesn't change any jumps.
580 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
582 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
583 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
584 (mostlyclean): Corresponding changes.
585 * rtlanal.c (hard-reg-set.h): Include.
586 (rtx_unstable_p): Do not treat the argument pointer specially
587 if it is not a fixed register.
588 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
590 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
592 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
593 against last real insn in basic block.
594 Rework to avoid gotos.
596 * Makefile.in (gcse.o): Now includes ggc.h.
597 * gcse.c: Include ggc.h.
598 (want_to_gcse_p): Verify expression can be in SET as valid insn.
599 (try_replace_reg): Remove warning of uninitialize variable.
600 (process_insert_insn): Call invalid_insn_p to validate insn.
601 * recog.c (insn_invalid_p): Now global.
602 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
603 * recog.h (insn_invalid_p): New declaration.
605 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
607 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
608 assignments from FP constants since 'Y' output code can't handle it.
609 (eligible_for_sibcall_delay): Likewise.
611 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
612 Call fancy_abort directly, passing args.
613 (print_rtl_and_abort): Now a macro, like fancy_abort.
615 * final.c (output_operand_lossage): Use internal_error, not error.
617 2001-02-18 Shane Nay <shane@agendacomputing.com>
619 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
620 structure shift insns.
622 2001-02-18 Mark Mitchell <mark@codesourcery.com>
624 * invoke.texi (-fsquangle): Remove documentation.
625 (-fname-mangling-version): Likewise.
627 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
629 * optabs.c (expand_abs): Remove reference to
630 HAVE_contitional_arithmetic.
631 * combine.c (simplify_set): Likewise.
633 2001-02-18 Richard Henderson <rth@redhat.com>
635 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
638 2001-02-18 Richard Henderson <rth@redhat.com>
640 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
642 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
644 * reload1.c (reload_cse_simplify_set): Fix typo.
646 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
648 * diagnostic.c (_fatal_insn): Decrement errorcount.
650 * invoke.texi (-I): Add note avoiding use for system header files.
652 * rtl.h (add_clobbers): Remove duplicate declaration.
653 * recog.h (added_clobbers_hard_reg_p): New declaration.
654 * genemit.c (struct clobber_pat): New field has_hard_reg.
655 (gen_insn): Record if added clobbers clobber hard reg.
656 (gen_split): Avoid unused warning if number of operands is 0.
657 (output_added_clobbers_hard_reg_p): New function.
660 2001-02-18 Alan Modra <alan@linuxcare.com.au>
662 * pa.c (hppa_expand_prologue): Simplify code storing return
663 pointer. For large (>=8k) frames with a post_store, adjust stack
664 pointer by 8k-64 first rather than by 64. When testing with
665 VAL_14_BITS_P, always use the actual value rather than the value
666 negated. Add blockage to prevent scheduling of spills before
667 stack frame has been created.
668 (hppa_expand_epilogue): Simplify code loading return pointer.
669 Allow a slightly larger range for merge_sp_adjust_with_load case.
670 When testing with VAL_14_BITS_P, always use the actual value.
672 * pa.c (pa_adjust_insn_length): Check that block move
673 pattern is a set before looking at operands.
675 2001-02-17 Mark Mitchell <mark@codesourcery.com>
677 * fold-const.c (fold_binary_op_with_conditional_arg): New
678 function, split out from ...
680 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
681 conditional arms that throw exceptions.
683 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
686 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
688 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
689 define HAVE_DECL_* to 1 to mask potential backup declarations.
690 * configure: Regenerated.
692 2001-02-17 Mark Mitchell <mark@codesourcery.com>
694 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
696 2001-02-17 Richard Henderson <rth@redhat.com>
698 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
699 when replacing a memory load with a register.
701 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
702 Jan Hubicka <jh@suse.cz>
704 * recog.c (validate_replace_src_1): New.
705 (validate_replace_src_data): Likewise.
706 (validate_replace_src): Use note_uses.
707 * rtl.h (note_uses): Declare.
708 * rtlanal.c (note_uses): New.
710 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
712 * reg-stack.c (stack_def): Make field reg unsigned.
713 (remove_regno_note): Unsignetize parameter.
715 2001-02-16 Jes Sorensen <jes@linuxcare.com>
717 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
718 shladd_operand() call.
720 2001-02-16 Bruce Korb <bkorb@gnu.org>
721 Rodney Brown <RodneyBrown@mynd.com>
723 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
724 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
726 * fixinc/fixincl.x: regen
728 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
730 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
732 (hash_scan_insn): Clean up calls to hash_scan_set.
733 (compute_kill_rd): REGNO now unsigned.
734 (try_replace_reg): Rework to use simplify_replace_rtx.
735 (cprop_jump, cprop_cc0_jump): Likewise.
736 (cprop_insn): Call find_reg_equal_equiv_note.
737 Reflect changes to cprop_jump and cprop_cc0_jump.
739 * recog.c (validate_replace_src): Replace in operands of
740 ZERO_EXTRACT in SET_DEST.
742 * cse.c (new_label_ref): New variable.
743 (insert): Set it instead of recorded_label_ref.
744 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
745 CODE_LABEL for this function, and not already in REG_LABEL note.
747 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
749 * resource.c (mark_referenced_resources): Fix typo in introductory
751 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
754 2001-02-16 Jason Merrill <jason@redhat.com>
756 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
758 (gen_subprogram_die): Don't abort on seeing a second definition if
759 the previous one was abstract. Don't replace an abstract instance
762 * dwarf2out.c (dwarf2out_abstract_function): Rename from
763 gen_abstract_function.
764 * dwarf2out.h: Declare it.
765 * toplev.c (note_outlining_of_inline_function): New fn.
766 * toplev.h: Declare it.
767 * integrate.c (output_inline_function): Call it.
768 * c-decl.c (duplicate_decls): Call it when redefining an extern
769 inline. Don't inline the new defn.
771 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
773 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
775 * .gdbinit: Rename to gdbinit.in.
776 * gdbinit.in: New file,
777 * configure.in: Generate .gdbinit from gdbinit.in.
778 * configure: Regenerated.
779 * Makefile.in (distclean): Always remove .gdbinit.
781 2001-02-16 Jakub Jelinek <jakub@redhat.com>
783 * objc/objc-act.c (start_class): Register implemented_classes with
786 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
788 * cppfiles.c (_cpp_make_system_header): Generate a file
791 2001-02-15 Jim Meyering <meyering@lucent.com>
793 * Makefile.in (install-common): Don't depend on installdirs here.
794 Instead, make each of the lang.install-common targets (e.g.,
795 c++.install-common in cp/Make-lang.in) depend on it.
796 (install-driver): Depend on installdirs.
798 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
800 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
802 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
805 2001-02-15 Mark Mitchell <mark@codesourcery.com>
807 * invoke.texi (--param): Document.
809 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
811 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
813 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
815 * i386.md (extendsfdf2_2): Fix constraints.
817 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
819 * i386.md (fop_df_3 splitter): Fix operand number.
821 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
823 * invoke.texi (-mreg-alloc): Nuke.
824 * i386.c (ix86_reg_alloc_order, regs_allocated,
825 order_regs_for_local_alloc): Nuke.
826 (override_options): Kill reg_alloc code.
827 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
828 (REG_ALLOC_ORDER): SSE goes before I387.
829 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
830 (ix86_reg_alloc_order): Likewise.
831 * i386-protos.h (ix86_reg_alloc_order): Kill.
833 2001-02-14 Richard Henderson <rth@redhat.com>
835 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
837 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
839 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
841 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
843 * i386-protos.h (ix86_memory_move_cost): Move offline.
844 * i386.c (ix86_register_move_cost): Compute properly cost of
845 SSE, MMX and i387 instructions.
846 (*_cost): Add costs of SSE/MMX moves.
847 (ix86_memory_move_cost): Move offline from ....; Likewise.
848 * i386.h (MEMORY_MOVE_COST): .... here;
849 (struct processor costs): Add new fields to represent costs
852 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
854 * regclass.c (init_reg_sets_1): Reinstall the optimization of
855 move_cost together with Matt Kraai's fix.
857 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
859 * Makefile.in (OBJS): Add params.o.
861 2001-02-14 Richard Henderson <rth@redhat.com>
862 DJ Delorie <dj@redhat.com>
864 * jump.c (jump_optimize_1): When we delete a conditional jump
865 preceeding a non-conditional jump to effectively the same place,
866 make sure that the combined jump skips any clobber insns between
869 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
871 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
873 2001-02-14 Mark Mitchell <mark@codesourcery.com>
875 * Makefile.in (toplev.o): Depend on params.h.
876 (intergate.o): Likewise.
877 (params.o): New target.
878 * flags.h (inline_max_insns): Remove.
879 * integrate.c: Include params.h.
880 Use MAX_INLINE_INSNS instead of inline_max_insns.
881 * params.c: New file.
882 * params.h: Likewise.
883 * params.def: Likewise.
884 * toplev.c: Include params.h.
885 (lang_independent_params): New variable.
886 (decode_f_option): Use the param machinery instead of setting
888 (independent_decode_option): Handle "--param name=value".
889 (main): Register language-independent parameters.
891 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
893 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
895 2001-02-14 Richard Henderson <rth@redhat.com>
897 * regclass.c (init_reg_sets_1): Revert last two changes.
899 2001-02-14 Jakub Jelinek <jakub@redhat.com>
901 * stor-layout.c (is_pending_size, put_pending_size): New functions.
902 (variable_size): Call put_pending_size.
903 * tree.h (is_pending_size, put_pending_size): Add prototypes.
904 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
905 sizes list, put newly created SAVE_EXPR there as well.
907 2001-02-14 Jakub Jelinek <jakub@redhat.com>
909 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
910 (errata_find_address_regs): load_group has only 2 entries.
911 (errata_emit_nops): Likewise. shladd is not problematic.
912 Clear last_group if nop was emitted.
913 (fixup_errata): load_group has only 2 entries.
916 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
918 * c-lex.c (lex_number): Only warn traditionally for U suffix
919 outside system macros.
920 * cppexp.c (parse_number): Similarly.
921 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
922 * cppmacro.c (struct cpp_macro): New member node.
923 (parse_args): Only warn about missing rest args if not
925 (funlike_invocation_p): Similarly for uninvoked funlike macros.
926 (cpp_sys_objmacro_p): New.
927 (_cpp_create_definition): Store the node with the macro defn.
928 Remember if the macro is defined in a system header.
930 2001-02-13 DJ Delorie <dj@redhat.com>
932 * configure.in (check_languages): determine languages to check
933 * Makefile.in (check-c++): alias for check-g++
934 (check-f77): alias for check-g77
935 (CHECK_TARGETS): depend on configured languages
937 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
939 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
940 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
941 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
942 (sqrtextendsfdf2): Disable for SSE2.
944 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
946 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
947 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
948 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
949 (sqrtextendsfdf2): Disable for SSE2.
951 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
953 * i386.md (movsfcc_1): Support integer cmove instruction.
954 (movdfcc_1): Likewise; new splitter.
956 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
958 * i386.c (output_fp_compare): Support SSE.
959 (prepare_fp_compare_args): SSE comparisons always support memory.
960 * i386.h (TARGET_CMOVE): SSE imply cmove.
961 * i386.md (cmp?f2): Enable for SSE too.
962 (cmpfp_i*): Support SSE.
964 (cmpfp_i_sse_only): New.
965 (s*, b* fp expanters): Enable for SSE too.
966 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
969 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
971 * regclass.c (init_reg_sets_1): Silence warning.
973 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
975 * i386.md (sqrt?f2): Change to expander.
976 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
978 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
980 * rtlanal.c (find_reg_equal_equiv_note): New function.
981 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
982 (simplify_gen_relational, simplify_replace_rtx): Likewise.
983 * rtl.h: Add declarations for above functions.
985 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
987 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
989 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
990 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
991 * flow.c (mark_regs_live_at_end): Likewise.
992 (calculate_global_regs_live): Likewise.
993 * gcse.c (compute_hash_table): Likewise.
994 (compute_kill_rd): Likewise.
995 * resource.c (mark_target_live_regs): Likewise.
996 * rtl.h (INVALID_REGNUM): New macro.
998 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1000 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1002 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1004 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1007 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1009 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1011 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1012 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1013 (fop_sf_1_sse, fop_df_1_sse): New patterns
1014 (fop_*): Disable float_extend and float patterns for SSE compilation.
1015 * i386.c (output_387_binary_op): Support SSE.
1017 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1019 * i386.md (dummy_extendsfdf2): Support SSE2
1020 (extendsfdf2): Enable if 80387 or SSE2.
1021 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1022 and no MIX_I387_SSE2
1023 (extendsfdf2_1_sse_only): New pattern.
1024 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1026 (truncdfsf2_1): Support SSE.
1027 (truncdfsf2_2): Support SSE.
1028 (truncdfsf2_2_1_sse): New pattern.
1029 (fixtruncsfsi2): Always use SSE if available.
1030 (fix_truncsfsi_sse): New pattern.
1031 (fix_truncdfsi_sse): New pattern.
1032 (floatsis?f2): Support SSE.
1033 (floatsidf2_i387): New pattern.
1034 (floatsidf2_sse): Likewise.
1036 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1038 * configure.in: Use "have_gnat" variable, not "gnat".
1039 * configure: Regenerated.
1041 * config/sparc/sparc.c (function_value): Treat all non-record
1042 aggregate types like used to treat UNION_TYPE.
1044 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1046 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1047 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1049 (MASK_MIX_SSE_I387): New.
1050 (TARGET_SSE): SSE2 imply SSE.
1051 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1052 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1053 (enum reg_class): Add new classes.
1054 (REG_CLASS_NAMES): Likewise.
1055 (REG_CLASS_CONTENTS): Likewise.
1056 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1057 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1058 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1059 (CLASS_MAX_NREGS): Use new macros.
1060 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1061 * i386.md (pushsf, movsf): Support SSE.
1062 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1063 splitters to use ANY_FP_REGNO_P.
1064 (movdf_nointeger, movdf_integer): Likewise.
1066 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1068 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1069 (try_combine): Use it.
1071 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1073 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1074 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1075 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1076 (REGISTER_MOVE_COST): Likewise.
1077 * i386-protos.h (ix86_secondary_memory_needed,
1078 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1079 * i386.c (ix86_secondary_memory_needed,
1080 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1082 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1084 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1085 (HARD_REGNO_MODE_OK): Move offline to ....
1086 * i386.c (ix86_hard_regno_mode_ok) ... here;
1087 refuse all incorrect modes.
1088 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1090 2001-02-13 Richard Henderson <rth@redhat.com>
1092 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1093 entire operator; replicate that and match_dup the operands.
1094 (cmp_ccx_arith_op_set): Likewise.
1095 (cmp_cc_arith_op_not_set): Likewise.
1096 (cmp_ccx_arith_op_not_set): Likewise.
1098 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1100 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1102 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1104 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1105 (TARGET_NO_BITFIELD_WORD): New macro.
1106 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1107 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1109 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1111 * cselib.c: New file, from simplify-rtx.c.
1112 * simplify-rtx.c: Remove cselib parts.
1113 * Makefile.in: Add cselib.o.
1115 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1117 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1118 (setup_incoming_varargs): Remove warning.
1120 * config/rs6000/rs6000.c (validate_condition_mode): When
1121 flag_fast_math, allow floating-point conditionals to be reversed.
1122 (rs6000_generate_compare): When flag_fast_math, don't generate
1123 cror operations for FP conditionals.
1125 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1127 (ASM_SPEC): Likewise.
1128 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1129 (CC1_SPEC): Likewise.
1130 (LINK_TARGET_SPEC): Likewise.
1131 (CPP_ENDIAN_SPEC): Likewise.
1132 * Makefile.in (check-consistency): New target.
1134 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1136 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1137 "return type defaults" warning for functions with return type
1139 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1140 function declarations by default rather than only when pedantic.
1142 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1144 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1147 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1149 * extend.texi (Deprecated): Deprecate new initializer lists.
1151 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1153 * mkdeps.c (deps_add_default_target): Robustify. Add
1154 basename component only.
1155 * cpp.texi (-M): Describe how default target is generated.
1156 * invoke.texi (-M): Likewise.
1158 2001-02-12 Kazu Hirata <kazu@hxi.com>
1160 * toplev.c (push_float_handler): Remove.
1161 (pop_float_handler): Remove.
1162 * toplev.h: Remove prototypes for the above functions.
1164 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1166 * c-common.c (constant_fits_type_p): New function.
1167 (convert_and_check): Use it.
1169 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1171 * Makefile.in (GXX_ABI_FLAG): Don't define.
1172 * configure.in (--enable-new-gxx-abi): Remove option.
1173 * config.in: Regenerated.
1174 * configure: Likewise.
1176 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1178 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1180 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1181 regular basic block, and arrange for all edges into it to switch
1184 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1186 * Makefile.in (distclean): Do not remove .gdbinit.
1188 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1190 * Makefile.in (gcc.o): Fix typos.
1191 (protize.o): Likewise.
1192 (unprotoize.o): Likewise.
1194 2001-02-11 Richard Henderson <rth@redhat.com>
1196 * tree.c (build1): Check for null operand in last change.
1198 2001-02-11 Richard Henderson <rth@redhat.com>
1200 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1201 (fold): Don't assume a constant isn't foldable.
1202 * tree.c (build): Set TREE_CONSTANT for an expression with no
1203 side-effects and constant operands.
1206 2001-02-10 Richard Henderson <rth@redhat.com>
1208 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1210 2001-02-10 Anthony Green <green@redhat.com>
1212 * cpp.texi (Standard Predefined): Add documentation for
1215 * c-common.c (combine_strings): Improve warning message.
1217 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1219 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1221 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1223 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1225 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1228 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1230 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1233 2001-02-09 Nick Clifton <nickc@redhat.com>
1235 * config/arm/arm.md: Change output contraint on post inc
1236 load/store multiple patterns to be a read/write contraint.
1238 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1240 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1241 .o files when using the -M options.
1243 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1244 David Edelsohn <edelsohn@gnu.org>
1246 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1247 handle DImode constants. Use one TOC entry for SImode and smaller
1248 constants, aligned properly.
1250 2001-02-08 Jason Merrill <jason@redhat.com>
1252 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1253 about the SP adjustment for saving the static chain pointer.
1254 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1255 offset when setting a temporary CFA register.
1257 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1259 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1260 powerpc-*-chorusos* .
1261 * config/rs6000/chorus.h : New file.
1262 * config/i386/chorus.h : New file.
1263 * config/sparc/chorus.h : New file.
1264 * config/sparc/t-chorus-elf : New file.
1266 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1268 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1269 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1270 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1271 (__WCHAR_TYPE__): Correct macro name.
1273 2001-02-08 Richard Henderson <rth@redhat.com>
1275 * config/i386/i386.c (ix86_frame_pointer_required): New.
1276 (ix86_setup_frame_addresses): New.
1277 (struct machine_funciton): Add accesses_prev_frame.
1278 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1279 ix86_frame_pointer_required.
1280 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1281 (SETUP_FRAME_ADDRESSES): New.
1282 * config/i386/i386-protos.h: Update.
1283 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1284 from FRAME_POINTER_REQUIRED.
1285 * config/i386/svr3gas.h: Likewise.
1286 * config/i386/sysv3.h: Likewise.
1287 * config/i386/v3gas.h: Likewise.
1289 2001-02-08 Richard Henderson <rth@redhat.com>
1291 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1292 calculation of the number of integer registers required.
1293 (function_arg_record_value): Likewise.
1295 2001-02-08 Jason Merrill <jason@redhat.com>
1297 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1298 two. Print file and line with "confused" message.
1300 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1302 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1304 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1306 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1308 * final.c (cleanup_subreg_operands): The address of a MEM can
1311 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1314 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1316 * gcc.texi (Incompatibilities): Update documentation of
1317 preprocessing numbers.
1319 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1321 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1323 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1325 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1327 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1328 * gcc.c (struct compiler): Add cpp_spec field.
1329 (input_file_compiler): New variable.
1330 (do_spec_1): Allow a particular compiler to handle `%C'
1332 (main): Store the current compiler in input_file_compiler.
1333 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1335 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1337 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1338 * cppinit.c (cpp_create_reader): Initialize them.
1339 (append_include_chain): cxx_aware arg might be unused.
1340 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1341 keywords and give them their phase 7 meaning. Pedwarn about
1342 this unless '__bool_true_false_are_defined' is defined.
1344 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1346 * lcm.c (optimize_mode_switching): Emit mode_set before the
1347 JUMP_INSN of an abnormal edge.
1349 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1351 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1352 a scheduling barrier at the end.
1354 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1356 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1358 * config/sh/sh.md (reload_outsf): Removed.
1359 (movsf_ie): Introduce constraints for FPUL loads and stores.
1360 (reload_insf): Broaden the output constraint.
1362 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1364 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1365 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1367 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1369 * final.c: Revert my previous changes.
1370 * output.h: Make profile_label_no extern.
1371 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1372 for generating label.
1374 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1376 * config/i386/djgpp.h: Add comments about standard paths.
1377 (MD_EXEC_PREFIX): Undefine before defining.
1378 (MD_STARTFILE_PREFIX): New.
1380 2001-01-30 Bruce Korb <bkorb@gnu.org>
1382 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1383 (load_file): do not rely on load_file_data() to close file pointer
1384 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1385 fixinc/inclhack.def(irix_limits_const): add test_text
1387 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1389 * cppexp.c (parse_defined): Improve diagnostics for invalid
1392 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1394 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1396 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1398 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1399 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1400 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1401 (rs6000_output_symbol_ref): New function.
1402 (output_toc): Use VTABLE_NAME_P.
1404 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1406 * print-tree.c (print_node, case PARM_DECL):
1407 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1409 * stor-layout.c (reference_types_internal): New variable.
1410 (internal_reference_types): New function.
1411 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1412 * tree.h (internal_reference_types): New declaration.
1414 * cse.c (find_best_addr): Fix typo in computing cost.
1416 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1418 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1419 and this is the sum of a pointer and a constant, we know the result
1421 (num_sign_bit_copies, case PLUS): Likewise.
1422 * explow.c (convert_memory_address): Remove opposite SUBREG.
1423 * function.c (instantiate_new_reg): New function (from common code).
1424 (instantiate_virtual_regs_1): Call it.
1425 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1426 if pointers sign- or zero-extend.
1427 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1428 If pointers extend unsigned, use inside of SUBREG.
1429 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1431 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1433 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1434 subdir of gcc_gxx_include_dir.
1435 (gcc_gxx_target_include_dir): Remove.
1437 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1439 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1440 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1441 a high-level description.
1443 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1445 * final.c: Move the declaration of profile_label_no to ...
1446 * output.h: ... here.
1447 * function.c (expand_function_start): Call PROFILE_HOOK.
1448 * config/rs6000/aix.h: Define PROFILE_HOOK.
1449 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1450 * config/rs6000/rs6000.c (output_profile_hook): Define.
1451 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1452 output_profile_hook.
1453 tm.texi : Explain new macro PROFILE_HOOK.
1455 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1457 * extend.texi (Extended Asm): Do not say that semicolon is always
1458 a valid line-breaking character for GNU assemblers. Use
1459 newline-tab as the most commonly supported syntax. Use
1460 newline-tab rather than semicolon in multi-insn examples.
1462 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1464 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1466 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1467 David Edelsohn <edelsohn@gnu.org>
1469 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1470 code for AIX, even without flag_pic.
1472 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1474 * c-typeck.c (common_type): push and pop binding level around
1475 calling common_type on function parameters.
1477 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1479 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1481 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1483 * config/mips/mips.c (override_options): Fix typo in last change.
1484 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1485 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1487 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1489 * invoke.texi (-fdump-class-layout): Document.
1490 (-fdump-translation-unit): Use `=' as filename separator.
1492 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1494 * Makefile.in (s-mlib): Don't build multilibs if
1496 (DRIVER_DEFINES): Adjust accordingly.
1498 (protoize.o): Likewise.
1499 (unprotoize.o): Likewise.
1500 * configure.in: Recognize --enable-multilib.
1502 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1504 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1506 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1507 * configure.in: Remove --enable-libstdcxx_v3 support.
1508 * configure: Regenerated.
1510 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1512 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1513 Call abort instead of fatal.
1514 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1515 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1516 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1517 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1518 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1519 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1521 * diagnostic.h (set_internal_error_function): Renamed.
1522 * toplev.h (internal_error): Renamed from fatal.
1523 (pfatal_with_name): Deleted.
1524 (fatal_io_error): Now has printf-style arguments.
1525 * diagnostic.c (pfatal_with_name): Deleted.
1526 (fatal_io_error): Rework to have args in printf-style.
1527 (set_internal_error_function): Renamed from set_fatal_function.
1528 (internal_error): Renamed from fatal.
1529 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1530 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1531 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1532 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1533 * flow.c (verify_flow_info): Likewise.
1534 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1535 * config/mips/mips.c (save_restore_insns): Likewise.
1537 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1538 * flow.c (verify_flow_info): Likewise.
1539 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1540 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1541 (avr_normalize_condition): Likewise.
1542 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1543 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1544 (limit_reload_class, double_reg_to_memory): Likewise.
1545 (print_operand_address, emit_1600_code_shift): Likewise.
1546 (gen_tst_reg, gen_compare_reg): Likewise.
1547 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1548 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1550 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1552 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1553 * objc/objc-act.c (build_ivar_chain): Likewise.
1554 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1556 * graph.c (clean_graph_dump_file): Likewise.
1557 * profile.c (init_branch_prob): Likewise.
1558 * objc/objc-act.c (objc_init): Likewise.
1560 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1561 * config/avr/avr.c (avr_override_options): Likewise.
1562 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1563 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1564 * config/h8300/h8300.c (h8300_init_once): Likewise.
1565 * config/mips/mips.c (override_options): Likewise.
1566 * config/i386/i386.c (override_options): Likewise, rework.
1567 * config/m68k/m68k.c (override_options): Likewise.
1569 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1571 * config/mips/mips.c (print_operand): Likewise.
1572 * hash.c (hash_allocate): Don't check for failure returns from
1573 obstack functions that can't fail.
1574 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1575 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1576 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1577 (get_object_reference): Likewise.
1579 2001-02-04 Nick Clifton <nickc@redhat.com>
1581 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1582 StrongARM1110, 10TDMI, and 1020T.
1584 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1586 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1588 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1590 * config/sh/sh.md (movdf load split): Pass register number to
1591 FP_OR_XD_REGISTER_P.
1593 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1595 * cppinit.c (BC): New macro.
1596 (builtin_array): Add __GXX_WEAK__.
1597 * cpplib.h (builtin_type): Add BT_WEAK.
1598 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1599 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1600 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1602 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1604 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1606 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1608 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1609 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1611 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1613 * cpphash.h: Rename ALIGN _ALIGN.
1614 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1616 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1618 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1619 compilation environment.
1620 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1621 control over location of cygwin includes and libs.
1623 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1625 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1627 2001-02-02 lars brinkhoff <lars@nocrew.org>
1629 * md.texi (Standard Names): remove reference to spur.md.
1631 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1633 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1634 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1635 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1636 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1637 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1639 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1641 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1642 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1643 number before reload.
1644 (c4x_adjust_cost): Return zero before reload.
1645 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1646 split before reload.
1648 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1650 * c4x.c (c4x_hard_regno_rename_ok): New.
1651 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1652 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1654 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1656 * diagnostic.h: Add missing "extern" in all declarations.
1658 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1660 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1661 as for gcc_gxx_include_dir.
1663 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1665 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1667 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1669 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1670 label before alignment to be used as the braf base address.
1671 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1673 (casesi_jump_2): Require at least TARGET_SH2.
1675 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1676 truncation to 32-bit doubles on -m3e and -m4-single-only.
1678 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1680 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1681 the default when building a shared object.
1682 (init_spec): Use it.
1683 * testsuite/lib/g++.exp: Include the directory where libgcc
1684 is located to the LD_LIBRARY_PATH list.
1685 * invoke.texi (-shared-libgcc): Document the cases in which
1686 GCC defaults to using the shared libgcc.
1688 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1690 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1691 unsigned is wide enough.
1693 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1694 (si_to_float): Likewise.
1695 (float_to_si, float_to_usi): Use BITS_PER_SI.
1697 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1699 * dwarf2out.c: Added explanation of abbreviations.
1700 (def_cfa_1): Added comments listing DWARF2 instructions.
1701 (cfa_temp_reg): Removed in favor of cfa_temp.
1702 (cfa_temp_value): Removed in favor of cfa_temp.
1703 (cfa_temp): New global variable.
1704 (dwarf2out_frame_debug_expr): Added extensive introductory
1705 comments explaining the function's transformations. Revised to
1706 use cfa_temp. Added some rtx checking. Generalize IOR case.
1707 (dwarf2out_frame_debug): Revised to use cfa_temp.
1708 (output_aranges): Cast as "unsigned" to avoid warning.
1709 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1710 explain which instructions must be marked.
1712 2001-02-01 Richard Henderson <rth@redhat.com>
1714 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1717 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1719 * config/sh/crt1.asm (main_k): Modified so that start calls
1720 ___setup_argv_and_call_main.
1722 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1724 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1725 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1726 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1727 * cppmacro.c (builtin_macro): Set builtin flags here.
1728 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1729 (replace_args): Clarify intent.
1730 (cpp_get_token): Macro expansion tokens get the saved flags.
1732 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1735 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1737 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1740 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1742 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1743 returns Pmode pseudo, but we need ptr_mode.
1744 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1745 Remove bogus conversions; use HOST_WIDE_INT for size.
1746 Don't use TARGET if wrong mode.
1748 * config/i386/i386.c (ix86_compute_frame_size): Allow
1749 stack_alignment_needed to be non-default even if size is zero.
1751 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1753 * (hppa_init_pic_save): Emit the pic offset table
1754 reg save after last_parm_insn.
1755 * pa.c (hppa_init_pic_save): New function.
1756 * pa.h (hppa_init_pic_save): Declare.
1757 * pa.md (call, call_value, sibcall, sibcall_value): Use
1758 the above instead of duplicated code.
1760 * pa.c (hppa_encode_label): Correct size of alloca buffer
1761 so we don't overrun it. Correct leading `*' case.
1762 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1763 need to handle `*@'.
1764 (FUNCTION_NAME_P): Likewise.
1766 2001-01-31 Richard Henderson <rth@redhat.com>
1768 * config.gcc (alpha-osf5): Use float-i128.h.
1770 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1771 * config/float-i32.h: Likewise.
1772 * config/float-i64.h: Likewise.
1773 * config/float-sh.h: Likewise.
1774 * config/float-sparc.h: Likewise.
1776 2001-01-31 DJ Delorie <dj@redhat.com>
1778 * expmed.c (extract_bit_field): allow non-integral modes if we
1779 want to extract a whole register from itself.
1781 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1783 * c-typeck.c (set_init_index): If first is equal to last, assume as
1784 if it was not a range at all.
1786 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1788 * config/fp-bit.c: Include tm.h.
1789 (float_to_si): Don't assume SImode is 32-bits wide.
1790 (float_to_usi): Likewise.
1792 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1794 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1796 (typename): Call pending_xref_error after parsing typed_typespecs.
1797 * c-decl.c (lookup_tag): Give error immediately rather than
1798 leaving it pending if the tag of the wrong type is in the same
1800 (xref_tag): Don't pedwarn for forward declarations of enum types
1802 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1805 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1807 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1809 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1811 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1812 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1814 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1816 * cpphash.h (struct cpp_reader): New saved_flags.
1817 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1818 to avoid a paste after a pasted token.
1820 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1822 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1823 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1824 Wtype_MIN instead of LONG_MIN.
1826 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1828 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1830 * fixinc/fixincl.x: Regenerated.
1831 * fixinc/inclhack.def (irix_limits_const): New definition to
1832 convert "const" to "__const" in limits.h.
1834 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1836 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1838 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1840 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1841 when register dies in the insn.
1843 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1845 * diagnostic.c (fatal): Fix word wrap.
1847 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1849 * combine.c (try_combine): Fix SUBREG setting for
1850 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1852 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1854 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1857 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1859 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1861 * toplev.c (decode_W_option): Update warn_larger_than
1862 unconditionally for each processed switch.
1864 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1866 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1868 (hppa_expand_prologue): Delete code to save pic offset table register
1869 in the function prologue.
1870 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1871 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1872 table register at the beginning of the function after the prologue.
1874 2001-01-29 lars brinkhoff <lars@nocrew.org>
1876 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1878 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1879 Jeff Law <law@redhat.com>
1881 * pa.md (return): Revise comment for trivial return.
1882 (return_internal): Non-trivial return pattern for non-PIC code.
1883 (return_internal_pic): Non-trivial return pattern for PIC code.
1884 It uses the PIC register to ensure it is restored after
1886 (epilogue): Generate appropriate return for PIC and non-PIC code.
1888 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1890 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1892 2001-01-29 DJ Delorie <dj@redhat.com>
1894 * combine.c (if_then_else_cond): Pass the correct mode to
1895 operand_subword() for constants.
1897 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1899 * config/i386/cygwin.h: Add w32api to include search. Search different
1900 directories in a cross-build environment.
1902 2001-11-29 Tim Josling <tej@melbpc.org.au>
1904 * tree.h (TYPE_STUB_DECL): Add documentation.
1906 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1908 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1909 (sdbout_field_types): Likwise. Fix use of host_integerp.
1911 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1913 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1916 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1918 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1919 to use flag_gnu_linker.
1921 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1923 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1924 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1926 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1928 * tree.c, tree.h (build_parse_node): Remove; was identical to
1930 * c-lang.c (start_cdtor), objc/objc-act.c
1931 (build_module_descriptor): Use build_nt instead of
1934 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1936 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1937 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1938 not have any upper bits set.
1940 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1942 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1944 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1946 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1948 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1950 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1951 (integer_minus_one_node): Define.
1953 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1955 * Makefile.in (bootstrap2-lean): Fix typo.
1957 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1959 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1960 : Don't set fe_value.
1961 * cpplib.h (AVOID_LPASTE): New flag.
1962 (struct cpp_hashnode): Remove fe_value.
1963 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1964 * cppmacro.c (builtin_macro): Don't set flags here.
1965 (replace_args): Set AVOID_LPASTE flag on first token of an
1966 argument, and the token following it.
1967 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1968 macro expansion, and on the token following it. Do it for
1970 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1972 2001-01-27 Richard Henderson <rth@redhat.com>
1974 * config/alpha/t-ieee: Remove multilibbing.
1975 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1977 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1979 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1981 * Makefile.in: Remove all dependencies on defaults.h.
1982 * builtins.c: Don't include defaults.h.
1983 * c-common.c: Likewise.
1984 * c-decl.c: Likewise.
1985 * c-pragma.c: Likewise.
1986 * c-typeck.c: Likewise.
1987 * combine.c: Likewise.
1989 * frame-ia64.c: Likewise.
1990 * cppexp.c: Likewise.
1991 * crtstuff.c: Likewise.
1992 * dbxout.c: Likewise.
1993 * dwarf2out.c: Likewise.
1994 * dwarfout.c: Likewise.
1995 * emit-rtl.c: Likewise.
1996 * except.c: Likewise.
1998 * final.c: Likewise.
1999 * frame-dwarf2.c: Likewise.
2000 * libgcc2.c: Likewise.
2001 * optabs.c: Likewise.
2002 * profile.c: Likewise.
2003 * sdbout.c: Likewise.
2004 * toplev.c: Likewise.
2005 * tradcif.y: Likewise.
2007 * varasm.c: Likewise.
2009 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2011 * builtins.c (expand_builtin_fputs): Use size_one_node when
2012 transforming into fwrite.
2014 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2016 * extend.texi (Attribute Syntax): New section.
2018 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2020 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2021 they didn't need fixing.
2023 2001-01-27 Janis Johnson <janis@us.ibm.com>
2025 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2027 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2028 to remove macro definitions that are duplicated from elfos.h.
2030 2001-01-27 Richard Henderson <rth@redhat.com>
2032 * config/i386/sco5gas.h: Move ...
2033 * config/usegas.h: ... here.
2034 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2036 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2038 * c-typeck.c (struct constructor_stack): Add range_stack member.
2039 (really_start_incremental_init): Clear it.
2040 (push_init_level): Save constructor_range_stack and clear it if
2041 pushing explicit braces.
2042 (pop_init_level): abort if constructor_range_stack is non-zero at
2043 explicit closing brace. Restore saved constructor_range_stack if
2046 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2048 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2049 into register was forced into memory.
2051 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2053 * Makefile.in: Remove uses of + before $(MAKE).
2055 2001-01-26 Richard Henderson <rth@redhat.com>
2057 * stmt.c (cost_table): Remove.
2058 (COST_TABLE, cost_table_initialized): New.
2059 (estimate_case_costs): Use the later instead of the former.
2060 (balance_case_nodes): Likewise.
2062 2001-01-26 Richard Henderson <rth@redhat.com>
2064 * alias.c (objects_must_conflict_p): Read-only slots may not
2065 conflict despite having the same type.
2067 2001-01-27 Michael Hayes <mhayes@redhat.com>
2069 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2071 (check_ext_dependant_givs): Initialise u_start_val and
2073 (load_mems): Make last_max_reg unsigned.
2074 (try_swap_copy_prop): Use INSN_P and initialise set.
2076 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2078 * README.AVR : Removed.
2080 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2082 * pa-64.h (text_section): Remove declaration.
2084 * pa.md (return_internal): Remove mode on PIC register use.
2086 2001-01-25 lars brinkhoff <lars@nocrew.org>
2088 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2089 ASM_CLOSE_PAREN): fix typos.
2091 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2093 * acconfig.h: Define `const' to the empty string if neither
2094 __STDC__ nor __cplusplus is defined.
2095 * config.in: Regenerated.
2097 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2099 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2100 * collect2.c (main): Delete importf. Add ".obj" file extension.
2101 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2102 (aix_std_libs): Add additional AIX libraries to skip.
2103 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2104 * config/rs6000/aix51.h: New file.
2106 2001-01-25 Michael Hayes <mhayes@redhat.com>
2108 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2109 (loop_insn_emit_before): No longer static.
2110 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2111 (loop_givs_rescan, load_mems): Likewise.
2112 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2113 (maybe_eliminate_biv_1):
2114 (move_movables): Replace emit_call_insn_before with
2115 loop_call_insn_hoist.
2116 * loop.h (loop_insn_emit_before): Add.
2117 * unroll.c (copy_loop_body): Replace emit_insn_before with
2118 loop_insn_emit_before.
2120 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2122 * diagnostic.c (fatal): Request preprocessed source.
2124 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2126 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2127 olddecl has argument types and newdecl has none, use the argument
2130 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2132 * dwarf2out.c (prefix_of): New function. Determine longest common
2133 prefix of the two arguments. The units are whole path components.
2134 (output_file_names): When adding a new directory find the one entry
2135 with the longest common prefix already in the list. Artificially
2136 generate entry if there is none for this prefix.
2137 Fix test to check whether the zeroth directory entry is used.
2139 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2141 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2142 Changed all callers. Take it into account when deciding if a
2143 previously loaded value matches.
2145 2001-01-24 Richard Henderson <rth@redhat.com>
2147 * reload.c (find_reloads_subreg_address): Fail the substitution
2148 if the resulting address is insufficiently aligned.
2150 2001-01-24 DJ Delorie <dj@redhat.com>
2152 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2153 check the original operand's mode also.
2154 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2156 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2158 * c-parse.in (cast_expr): Move compound literals from here ...
2159 (primary): ... to here. Use standard terminology "compound
2160 literal" instead of "constructor expression".
2162 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2164 * gcc.1, cpp.1: Regenerate.
2166 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2168 * calls.c (emit_library_call_value_1): Memory slot for
2169 pass-by-reference argument should have the mode of the argument,
2170 not of the pointer to it.
2172 2001-01-24 Tom Tromey <tromey@redhat.com>
2174 * gcc.texi (G++ and GCC): Mention gcj manual.
2175 (Standards): Link to section of manual mentioning gcj/Java
2178 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2180 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2181 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2182 * tradcpp.c (main): Add -imacros or -include'd dependencies
2184 * cpp.texi (-M, -MM): Document -M -include behaviour.
2186 2001-01-24 Roger Collins <roger@ProProject.com>
2188 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2190 2001-01-24 Will Cohen <wcohen@redhat.com>
2192 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2193 whether registers are 32 bits or 64 bits in size.
2195 2001-01-24 Ben Elliston <bje@redhat.com>
2197 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2199 2001-01-24 Richard Henderson <rth@redhat.com>
2201 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2202 (builtin_longjmp): Use it instead of emit_indirect_jump.
2204 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2206 * bb-reorder.c (make_reorder_chain_1): Handle case where
2207 jump edge goes to the same block as the fallthru edge.
2209 2001-01-23 Jim Wilson <wilson@redhat.com>
2211 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2212 * frame.h (__ia64_personality_v1): Add prototype.
2213 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2214 prototype form. Add void * cast to first argument to personality
2216 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2217 (asctoe113): Likewise.
2218 * config/ia64/frame-ia64.c: Include eh-common.h.
2219 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2221 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2223 (itanium_split_issue): Add prototype.
2224 (gen_nop_type): Ifdef out.
2225 (find_best_packet): Initialize best_packet.
2226 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2228 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2229 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2230 (flushrs): Add explicit stop bit at end.
2231 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2234 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2236 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2238 * libgcc2.c (__terminate_func): Make variable static.
2239 (__terminate_set_func): New function to set __terminate_func.
2240 * libgcc2.h (__terminate_func_ptr): New typedef.
2241 (__terminate_set_func): New function.
2243 2001-01-23 Richard Henderson <rth@redhat.com>
2245 * flow.c (init_propagate_block_info): Don't consider unchanging
2246 memories for dead frame store elimination.
2248 2001-01-23 Richard Henderson <rth@redhat.com>
2250 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2251 * defaults.h: ... here.
2253 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2255 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2257 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2259 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2261 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2263 * rs6000.h (rs6000_return_addr): Move prototype from here...
2264 * rs6000-protos.h (rs6000_return_addr): ...to here.
2265 (rs6000_init_expanders): Delete prototype.
2267 2001-01-23 Nick Clifton <nickc@redhat.com>
2269 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2270 (Spec Files): Document %B and %j and %. and %v3 and %M and
2271 %{S*&T} spec switches.
2273 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2275 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2277 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2278 Neil Booth <neil@daikokuya.demon.co.uk>
2280 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2281 Have -Werror make pedantic warnings errors, like the
2284 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2286 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2288 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2290 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2291 * integrate.c (expand_inline_function): Initialize them.
2292 (subst_constants): If changing COMPARE so that both its arguments
2293 will be VOIDmode and the comparison mode will be lost, note
2294 compare_mode. Use the recorded compare_mode to optimize
2297 2001-01-23 Jason Merrill <jason@redhat.com>
2299 * dwarf2out.c (new_die): Use xcalloc.
2300 (output_die): Abort rather than emit a local reference to offset 0.
2302 2001-01-17 Andrew Haley <aph@redhat.com>
2304 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2305 of a saved register; return NULL instead.
2306 (copy_reg): Take a pointer to a source register rather than a
2308 (next_stack_level): Remember the address in the stack frame of all
2310 Use the saved register pointer array as the source of the CFA.
2311 (throw_helper): Rewrite. Unwind once rather than twice and keep
2312 track of saved registers as we go.
2314 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2316 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2317 * c4x.c (c4x_legitimize_reload_address): Remove.
2318 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2319 reload address for ldp(k) insn.
2321 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2323 * pa.md (return_internal): Add a USE of the PIC register to ensure
2324 it is restored after each call.
2325 (return expander): Corresponding changes.
2327 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2329 * rs6000.h (INIT_EXPANDERS): Delete.
2330 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2331 * rs6000.c (rs6000_override_options): Call *_machine_status from
2333 (rs6000_init_expanders): ...instead of here. Delete.
2334 (rs6000_mark_machine_status): New function.
2335 (rs6000_init_machine_status): Use xcalloc.
2336 (rs6000_return_addr): Generate RTX for the return address.
2337 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2338 (rs6000_stack_info): Use it.
2340 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2342 * gthr-win32.h: Include errno.h to get a declaration for
2343 EINVAL and _mingw.h if the target is mingw32.
2345 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2347 * cpp.texi: Correct typos.
2349 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2351 * explow.c (probe_stack_range): Ensure value passed to
2352 stack_check_libfunc is ptr_mode, not Pmode.
2354 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2356 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2357 case, don't use operand_subword to calculate a SUBREG that is
2360 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2362 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2364 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2365 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2366 valid. If not replace it by equivalent insns.
2368 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2370 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2371 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2372 (c4x_U_constraint, symbolic_address_operand): Likewise.
2373 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2375 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2376 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2377 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2378 anulling slot because of silicon bug.
2379 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2381 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2383 * cppexp.c (parse_charconst): Change `mask' type to agree
2386 2001-01-21 Richard Henderson <rth@redhat.com>
2388 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2389 pic_label_name in a linkonce section.
2391 2001-01-17 Philipp Thomas <pthomas@suse.de>
2393 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2395 * configure: Regenerate.
2397 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2399 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2400 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2402 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2404 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2405 If REVERSE nonzero then condition code in X must be reversed.
2406 (encode_section_info): Optimise if/else.
2407 (avr_function_value): Fix formatting.
2409 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2410 (difficult_branch): Likewise.
2411 (rvbranch): Likewise.
2412 (difficult_rvbranch): Likewise.
2414 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2416 * config/avr/libgcc.S: Fix comment.
2418 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2420 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2422 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2424 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2426 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2428 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2429 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2430 * configure, config.in: Regenerate.
2431 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2432 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2433 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2434 (doprint.o): New rule.
2436 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2438 * c-typeck.c (digest_init): Handle boolean types as scalars.
2440 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2442 * stmt.c (expand_return): Don't return anything if size is zero.
2443 Delete redundant assignment to BYTES.
2444 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2446 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2448 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2449 the same as the default library function names.
2450 * config/avr/avr.md: Document special characters after '%'.
2451 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2452 knowing which of the call-used registers are really clobbered.
2453 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2454 New. Both quotient and remainder from one libgcc.S call.
2455 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2456 clobber as few registers as possible.
2457 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2459 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2461 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2462 context of the top of the stack.
2464 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2466 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2467 (fixup_var_refs_insns): ...here.
2469 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2471 * function.c (fixup_var_refs_insns): Break up into
2472 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2473 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2474 [loop over hash table entries].
2475 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2476 fixup_var_refs_insns_with_hash, to match above changes.
2478 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2480 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2481 (libgcc.a): Likewise.
2482 (stmp-multilib): Likewise.
2483 (STAGE2_FLAGS_TO_PASS): Likewise.
2485 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2487 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2488 temporary if no_new_pseudos.
2490 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2492 * cppinternals.texi: Update.
2494 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2496 * arm.c (arm_init_builtins): Re-enable builtins.
2498 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2500 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2501 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2502 element to be null, and always expect an EXPR_LIST.
2503 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2504 * sched-deps.c (sched_analyze_1): Likewise.
2505 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2507 * regclass.c (max_set_parallel): New variable.
2508 (reg_scan): Take it into account in computation of max_parallel.
2509 (reg_scan_mark_refs, case SET): Compute it.
2511 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2513 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2514 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2516 2001-01-19 Jason Merrill <jason@redhat.com>
2518 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2519 for the abstract instance of an inline function.
2521 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2522 J"orn Rennecke <amylaar@redhat.com>
2524 * reload1.c (move2add_note_store): Treat all registers directly or
2525 indirectly derived from a base register as members of the same set
2527 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2528 of base register into account.
2530 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2532 * alias.c (find_base_value): Recognize TRUNCATE.
2533 (record_set): In PLUS case, invalidate if other summand is also a
2536 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2538 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2539 entry to be EXPR_LIST.
2540 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2541 be an EXPR_LIST (but not null, which other code doesn't allow).
2542 (note_stores): Properly handle PARALLEL in SET.
2543 Recursively call for top-level PARALLEL.
2544 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2545 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2547 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2549 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2551 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2552 not pfile->skipping (== 0).
2554 2001-01-17 Nick Clifton <nickc@redhat.com>
2556 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2559 2001-01-17 Jim Wilson <wilson@redhat.com>
2561 * invoke.texi (IA-64 options): Improve.
2563 2001-01-17 Tom Tromey <tromey@redhat.com>
2565 * invoke.texi (Optimize Options): Use `{}' to around @samp
2568 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2570 * invoke.texi (-fno-guess-branch-probability): New option.
2572 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2574 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2575 case of making new double-word constant.
2576 Revert last change: instead just test i3_subst_into_i2.
2578 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2580 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2581 Use q constraints instead of r.
2583 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2585 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2586 (machine_function): Define.
2587 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2588 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2589 pa_free_machine_status): New functions.
2590 (override_options): Set {init,mark,free}_machine_status to above.
2591 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2592 PIC_OFFSET_TABLE_REGNUM_SAVED.
2593 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2594 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2595 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2596 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2597 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2599 2001-01-15 DJ Delorie <dj@redhat.com>
2601 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2605 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2607 * flow.c (propagate_on_insn): Make trying to delete a prologue
2608 or epilogue insn an ICE, not a warning. Allow doing this if
2609 the current function returns with stack pointer depressed.
2611 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2612 I3 having more than one SET.
2614 2001-01-16 Jim Wilson <wilson@redhat.com>
2616 * invoke.texi: Document IA-64 options.
2618 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2619 (fixup_errata): Delete TARGET_A_STEP use.
2620 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2621 (TARGET_SWITCHES): Delete -ma-step option.
2622 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2623 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2624 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2625 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2626 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2627 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2629 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2630 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2631 cmovsi_internal): Delete ! TARGET_A_STEP check.
2633 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2635 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2636 possibility to report bugs via postal mail. Change a URL and
2637 merge in a nearly duplicate statement...
2638 (Bug Reporting): ...from here.
2639 (Service): Refer to the Bug Reporting section instead of
2641 (Contributing): Remove trivial explanations concerning snapshots.
2643 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2645 * cppmain.c (general_init): Don't use ANSI prototype.
2647 2001-01-16 Tom Tromey <tromey@redhat.com>
2649 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2651 2001-01-16 Richard Henderson <rth@redhat.com>
2653 * config/i386/i386.h: Fix comment typo.
2654 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2655 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2657 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2659 * gcc.c: Revert previous -fsyntax-only-related change; move
2662 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2664 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2665 inmode after checking GET_CODE (op).
2667 2001-01-16 Richard Henderson <rth@redhat.com>
2669 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2670 (MAX_MEM_SET_LIST_LEN): New.
2671 (propagate_one_insn): Update mem_set_list_len.
2672 (invalidate_mems_from_autoinc): Likewise.
2673 (invalidate_mems_from_set): Likewise.
2674 (mark_used_regs): Likewise.
2675 (init_propagate_block_info): Likewise. Stop collecting memories
2676 when we reach MAX_MEM_SET_LIST_LEN.
2677 (mark_set_1): Likewise.
2679 2001-01-16 Richard Henderson <rth@redhat.com>
2681 * unroll.c (precondition_loop_p): Fail if no iteration
2684 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2686 * gcc.c: When -fsyntax-only is given, do not complain about
2689 2001-01-15 Richard Henderson <rth@redhat.com>
2691 * config/i386/i386.c (asm_output_function_prefix): Remove.
2692 (ix86_asm_file_end): New.
2693 (load_pic_register): Generate pic_label_name into a
2694 staticly allocated buffer.
2695 * config/i386/i386-protos.h: Update.
2696 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2697 (ASM_FILE_END): New.
2698 * config/i386/i386afe.h: New file.
2699 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2700 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2701 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2702 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2703 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2704 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2705 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2707 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2709 * Makefile.in (install-man): Remove explicit dependency on
2712 * configure.in, configure: Revert previous patch requiring perl
2715 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2717 * toplev.c (flag_guess_branch_prob): New.
2718 (f_options): Add guess-branch-probability option.
2719 (rest_of_decl_compilation): Only estimate branch probability if
2721 (main): set flag_guess_branch_prob.
2723 * flags.h (flag_guess_branch_prob): New.
2725 2001-01-15 DJ Delorie <dj@redhat.com>
2727 * gcc.texi (Makefile): Add documentation for Makefile targets.
2729 2001-01-15 Philip Blundell <philb@gnu.org>
2731 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2733 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2734 (is_pic): Delete declaration.
2735 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2736 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2737 * config/arm/arm.md (builtin_setjmp_receiver): New.
2739 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2741 * arm.c (use_return_insn): Don't try to determine the function type
2742 until after reload has completed.
2743 (arm_output_epilogue): Don't adjust the sp value recovered from the
2745 (emit_multi_reg_push): Don't record dwarf information for the pc.
2746 * arm.md (eh_epilogue): The function type may have changed, so it
2747 needs to be recalculated.
2748 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2749 unwind tables on arm/netbsd.
2751 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2753 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2754 (negated_cbranchsi4): Likewise.
2756 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2758 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2759 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2760 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2761 pass -mapcs-* options to assembler.
2762 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2763 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2764 (ASM_SPEC): Call subtarget_extra_asm_spec.
2766 2001-01-15 Andreas Jaeger <aj@suse.de>
2768 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2770 (ix86_expand_builtin): Likewise.
2772 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2773 warning about comparison between signed and unsigned.
2775 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2777 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2779 2001-01-14 Ralf Baechle <ralf@gnu.org>
2781 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2782 SUBTARGET_CPP_SPEC apropriatly.
2784 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2786 * varasm.c (make_decl_rtl): Fix typo in last change.
2788 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2790 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2791 linker supports the init_priority C++ attribute.
2792 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2793 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2794 linker does not support init_priority C++ attribute.
2796 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2798 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2800 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2802 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2803 * cp/lex.c (finish_parse): Similarly.
2804 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2805 Return the number of errors encountered.
2806 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2807 * cppmain.c (main): Don't call cpp_destroy.
2809 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2811 * configure.in: Require at least perl 5.6.0 to regenerate
2813 * configure: Regenerate.
2815 2001-01-14 Richard Henderson <rth@redhat.com>
2817 * genrecog.c (DT_veclen_ge): New.
2818 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2819 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2820 (nodes_identical_1): Handle DT_veclen_ge.
2821 (write_cond, debug_decision_2): Likewise.
2823 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2825 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2827 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2829 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2831 * cppmain.c (do_preprocessing): New function; most of the old
2833 (main): Call it to do most of the work.
2834 (cb): Move from global scope to set_callbacks ().
2835 (setup_callbacks): Get the callback pointer.
2836 (general_init, printer_init): Clean up code and comments.
2838 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2840 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2843 2001-01-14 Kazu Hirata <kazu@hxi.com>
2845 * config/h8300/h8300.c (get_shift_alg): Update comments.
2847 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2849 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2850 (alloc_page, ggc_alloc): Add casts to remove warnings.
2852 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2854 * combine.c (simplify_comparison): Don't change `code' when
2855 can't reverse comparison.
2857 2001-01-14 Richard Henderson <rth@redhat.com>
2859 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2860 update all call sites. Return true for all non-label constants.
2862 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2864 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2866 (ix86_expand_branch): Update.
2867 (ix86_expand_setcc): Update to handle multiple test conditions.
2868 (expand_int_movcc): Likewise.
2869 (expand_fp_movcc): Likewise.
2870 * i386-protos.h (ix86_expand_compare): New.
2871 * i386.md (andqi_?_slp, orqi_?_slp): New.
2872 (conditional trap expander): Update call to ix86_expand_compare.
2874 2001-01-14 Richard Henderson <rth@redhat.com>
2876 * config/vax/vax.md: Use nonimmediate_operand instead of
2877 general_operand in destinations.
2879 * config/vax/vax.md (indirect_jump): Use register_operand.
2881 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2882 * config/vax/vax.md (call_pop): Turn into an expander.
2883 (call_value_pop): Likewise.
2884 (call, call_value): New.
2886 2001-01-14 Andreas Jaeger <aj@suse.de>
2888 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2890 (ix86_fp_compare_mode): Add unused attribute.
2891 (ix86_expand_fp_movcc): Remove unused variable.
2892 (ix86_expand_builtin): Make fcode unsigned.
2894 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2895 (expand_expr): Add cast to avoid signed warning.
2896 (store_field): Likewise.
2897 (store_constructor_field): Likewise.
2898 (store_constructor): Likewise.
2899 (store_expr): Likewise.
2900 (clear_storage): Likewise.
2901 (emit_group_store): Likewise.
2902 (emit_group_load): Likewise.
2904 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2906 * c-common.c: Move format checking code to ...
2907 * c-format.c: ... here. New file. Reorder some functions and
2909 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2911 * c-common.h (decl_handle_format_attribute,
2912 decl_handle_format_arg_attribute): Declare.
2913 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2914 (c-common.o): Adjust dependencies.
2915 (c-format.o): New list of dependencies.
2917 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2919 * unroll.c (loop_iterations): If we cannot prove iteration variable
2920 is set once in each iteration, punt.
2922 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2924 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2925 (*strlenhi): Remove clobber (which was buggy) of output address.
2927 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2929 * Makefile.in (generated-manpages): Add gcc.1
2930 ($(srcdir)/gcc.1): New target.
2931 (maintainer-clean): Delete $(srcdir)/gcc.1.
2932 * gcc.texi: Add macros @gccoptlist and @gol.
2933 * invoke.texi: Include option summary in manpage. Mark up option
2934 summary with @gccoptlist and @gol. Use @r in one place where
2936 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2937 * gcc.1: Generate from invoke.texi.
2939 2001-01-13 Richard Henderson <rth@redhat.com>
2941 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2942 (struct page_entry): Add group member.
2943 (struct page_group): New.
2944 (struct globals): Add page_groups member.
2945 (alloc_anon): Only define for using mmap; remove valloc call.
2946 (page_group_index): New.
2947 (set_page_group_in_use): New.
2948 (clear_page_group_in_use): New.
2949 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2950 (free_page, release_pages): Likewise.
2951 * configure.in (with-gc): Default to ggc-page always.
2953 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2955 * reload1.c (replace_pseudos_in_call_usage): Use
2956 reg_equiv_constant and reg_equiv_address, and don't try
2957 regno_reg_rtx first.
2959 2001-01-13 Richard Henderson <rth@redhat.com>
2961 * ggc-page.c (alloc_page): Round up allocation size to one page.
2962 Set e->order on extra pages.
2964 2001-01-13 Richard Henderson <rth@redhat.com>
2966 * genrecog.c (nodes_identical): Expand commentary.
2967 (write_switch): Watch out for identical nodes.
2969 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2971 * cppfiles.c (_cpp_fake_include): New function.
2972 * cpphash.h (_cpp_fake_include): New.
2973 * cpplib.c (do_line): Call _cpp_fake_include when entering
2974 header files in preprocessed input.
2975 * cppmain.c (cb_pragma_implementation): Remove handling.
2976 (setup_callbacks): Don't register pragmas.
2978 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2980 * extend.texi: Udate for CPP.
2982 2001-01-13 Andreas Jaeger <aj@suse.de>
2984 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2986 * regmove.c: Add prototype for replace_in_call_usage.
2988 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2990 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2991 struct cpp_chunk, struct htab, struct toklist,
2992 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2993 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2994 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2995 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2996 (struct macro_args): Delete.
2997 * cpphash.h: See above.
2999 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3001 * cppmain.c (struct printer): Remove no_line_dirs.
3003 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3004 : Use options rather than CPP_OPTION.
3005 (setup_callbacks): Use cb rather than pfile->cb.
3006 (main): No need to check for a buffer. Use cpp_errors.
3007 (printer_init): Don't set no_line_dirs.
3008 (maybe_print_line): Use options not no_line_dirs.
3009 (cb_file_change): Don't call print_line if -P.
3011 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3013 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3015 * c-parse.in (finish_parse): Use cpp_errors.
3016 (__yylex): Use return value of cpp_pop_buffer.
3017 * cp/lex.c (finish_parse): Use cpp_errors.
3018 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3020 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3022 * README.AVR: URLs corrected.
3024 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3026 * c-decl.c (start_function): Don't warn if old prototype is builtin
3027 that's not in C's namespace.
3028 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3029 (_bb): Add prototype for ctime.
3030 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3032 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3034 * i386.c (ix86_fp_comparison_arithmetics_cost,
3035 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3036 ix86_fp_comparison_cost): New functions.
3037 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3038 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3039 two-branch sequences; make static.
3040 (ix86_use_fcomi_compare): Do decision according to the costs.
3041 (split_fp_branch): New.
3042 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3043 * i386-protos.h (ix86_expand_fp_compare): Remove
3044 (ix86_split_fp_branch): Declare.
3046 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3047 and ix86_comparison_operator.
3049 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3052 * i386.c (put_condition_code): Output properly the unordered/ordered
3053 compares in fp case.
3054 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3056 * tm.texi (REVERSE_CONDITION): Document.
3057 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3058 in -ffast-math mode.
3059 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3061 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3063 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3065 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3068 * config/sh/sh.c (mova_p): Fix test for mova_const.
3070 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3072 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3073 cpp_get_options rather than dereferencing pfile and using
3075 * scan-decls.c (scan_decls): Use return value of
3076 cpp_pop_buffer rather than CPP_BUFFER.
3078 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3080 * cppinit.c (cpp_handle_option): help_only is now part of the
3081 cpp_options structure.
3082 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3083 cpp_set_callbacks): New functions.
3084 * cpplib.h (cpp_callbacks): Break out as a named structure.
3085 (cpp_options): Move help_only here from cpp_reader.
3086 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3087 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3088 cpp_set_callbacks): New prototypes.
3089 * cppmain.c (main): Update for help_only.
3091 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3093 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3094 Also build and remove and install and uninstall c-tree.info and
3096 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3097 ($(srcdir)/cppinternals.info): New target.
3098 * c-tree.texi: Change file name used when makeinfo used without -o
3099 from ir.info to c-tree.info. Add info directory entry.
3100 * cppinternals.texi: Add info directory entry.
3101 * .cvsignore: Update.
3103 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3105 * c-typeck.c (store_init_value): Don't require constant initializer
3106 elements with -pedantic -std=c99.
3107 (digest_init): Change error about non-constant initializer elements
3109 (constructor_range_end): Remove.
3110 (constructor_incremental, designator_depth,
3111 designator_errorneous): New variables.
3112 (struct constructor_stack): Remove range_end, add incremental.
3113 (struct constructor_range_stack, constructor_range_stack): New.
3114 (struct initializer_stack): Add constructor_range_stack.
3115 (finish_init): Set it.
3116 (start_init): Likewise. require_constant_elements for non-static
3117 trees only if not flag_isoc99.
3118 (really_start_incremental_init): Remove constructor_range_end, add
3119 constructor_incremental.
3120 (pop_init_level): Likewise.
3121 (push_init_level): Likewise. If implicit and the subobject had some
3122 value set already, preinitialize the level with it.
3123 Warn about missing braces only if not pushing due to designators.
3124 (set_designator, push_range_stack): New functions.
3125 (set_init_label): Use them.
3126 (set_init_index): Likewise. Remove constructor_range_end.
3127 Error if designator index is outside of array bounds.
3128 (add_pending_init): Compare values of purpose index trees, not the
3129 trees themselves. Allow overwriting of already initialized element.
3130 Issue a warning if it had side-effects.
3131 (set_nonincremental_init, set_nonincremental_init_from_string): New
3133 (pending_init_member): Rename to...
3134 (find_init_member): ...this function. Call set_nonincremental_init
3135 if necessary. Compare values of purpose index trees, not the trees
3136 themselves. Return the actual value, not just non-zero if something
3138 (output_init_element): Remove checks for duplicates.
3139 If field has zero size, only check the initializer for correctness.
3140 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3141 if constructor_incremental is zero. Change error about initializers
3142 not computable at load time into pedwarn.
3143 (output_pending_init_elements): Compare bit positions, not
3144 FIELD_DECLs to take into account zero-sized fields.
3145 (process_init_element): Use constructor_range_stack to fill all
3146 ranges in the designator lists from current level up.
3147 * extend.texi: Update documentation for labeled elements.
3149 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3151 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3152 to function usage for arguments passed by reference. Optimize
3153 callee-copied arguments.
3154 * regmove.c (replace_in_call_usage): New function.
3155 (fixup_match_1): Call it.
3156 * cse.c (cse_insn): Canonicalize registers in function usage.
3157 * reload1.c (replace_pseudos_in_call_usage): New function.
3160 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3163 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3165 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3168 2001-01-12 DJ Delorie <dj@redhat.com>
3170 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3171 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3174 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3176 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3177 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3178 -std options alongside references to -ansi. Update some
3179 documentation for C99.
3180 * cpp.1: Regenerate.
3182 2001-01-12 Andreas Jaeger <aj@suse.de>
3184 * haifa-sched.c (restore_line_notes): Remove argument block B
3186 * sched-ebb.c (schedule_ebb): Change caller.
3187 * sched-rgn.c (schedule_region): Likewise.
3188 * sched-int.h (restore_line_notes): Adjust prototype.
3190 * loop.h: Remove wrong declaration of doloop_condition_get.
3192 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3194 * extend.texi: Move C++-extension-related node from the C section
3195 into the C++ section.
3197 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3199 * extend.texi: Refer to an array of pointers to functions instead
3200 of one of functions.
3202 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3203 Jan Hubicka <jh@suse.cz>
3205 * combine.c (reversed_comparison): Fix typo in last patch.
3207 (combine_reversed_comparison_code): Make static to follow
3208 prototype declaration.
3210 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3212 * install.texi: Remove misplaced duplicate entry.
3214 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3216 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3218 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3220 * final.c: (leaf_function_p): Fix typo.
3222 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3224 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3225 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3227 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3228 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3229 mmap_anon, and valloc is available.
3230 * ggc-page.c: Restructure ifdef logic to match new autoconf
3231 spec. Don't throw away the test page in init_ggc.
3233 * configure, config.in: Regenerate.
3235 2001-01-12 Michael Hayes <mhayes@redhat.com>
3237 * loop.h (total_biv_increment): Constify iv_class pointer.
3238 (struct induction): Replace `mem_mode' with `mem' rtx.
3239 * unroll.c (total_biv_increment): Constify iv_class pointer.
3240 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3241 (find_mem_givs, combine_givs_p): Likewise.
3242 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3244 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3246 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3248 (__gthread_getspecific): Ditto.
3250 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3252 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3253 put_condition_code): Convert fp comparison codes to integer
3255 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3258 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3259 * i386-protos.h (no_comparison_operator): Kill.
3261 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3263 * combine.c (REVERSIBLE_CC_MODE): Remove.
3264 (reversible_comparison_p): Remove.
3265 (combine_reversed_comparison_code): New.
3266 (reversed_comparison): New.
3267 (combine_simplify_rtx): Use
3268 combine_reversed_comparison_code/reversed_comparison instead
3269 of reversible_comparison_p.
3270 (simplify_if_then_else): Likewise.
3271 (simplify_set): Likewise.
3272 (simplify_logical): Likewise.
3273 (if_then_else_cond): Likewise.
3274 (known_cond): Likewise.
3275 (simplify_comparison): Likewise.
3277 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3279 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3280 sizeof (int) is larger than sizeof(__word__).
3282 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3284 * cppinit.c (do_includes): Fix typo.
3286 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3288 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3289 in S_REGS does not occur because not all sources are possible
3290 when a S_REGS is a destination (sometimes needs a clobber).
3291 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3292 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3293 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3294 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3295 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3296 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3297 (lshrdi_const1, lshrsi3_const16): Likewise.
3298 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3299 (*movhi_68hc12, *movqi_68hc12): Likewise.
3300 (movstrictqi): Make sure reloading in D_REGS as a destination
3303 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3305 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3307 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3309 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3310 -D, -U and -A, and don't initialize the builtins.
3311 (do_includes): Error if -include or -imacros with -fpreprocessed.
3312 * cppmain.c (cb_define, cb_undef): Unconditionally process
3314 * tradcpp.c (main): Fix typo.
3316 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3318 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3319 (read_name_map): Use IS_ABSOLUTE_PATH.
3320 * tradcpp.c (get_filename): Likewise.
3322 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3324 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3325 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3326 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3327 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3328 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3329 (cmphi_z_used): Don't use '@' for the output.
3330 (tstqi_z_used): Likewise.
3331 (cmpqi_z_used): Likewise.
3332 (one_cmplsi2): Likewise.
3334 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3336 * config/sh/sh.c (barrier_align): Recognize branch around far
3337 branch and redundant insn.
3339 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3341 * invoke.texi: Restore documentation of the drivers' switches -MD
3344 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3346 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3348 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3349 check-objc//%): Support parallel testing of multilibs.
3350 (TESTSUITEDIR): Set to testsuite by default, but override for
3352 (check-gcc, check-g++, check-g77, check-objc): Enter
3355 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3357 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3358 * sched-deps.c (deps_may_trap_p): Likewise.
3359 * basic-block.h: Remove a comment.
3360 * flow.c (PROP_POSTRELOAD): Remove.
3361 (update_life_info): Don't add it to prop_flags.
3362 (mark_set_1): Lose the code that was enabled by it.
3364 2001-01-11 Michael Hayes <mhayes@redhat.com>
3366 * flow.c (flow_call_edges_add): New.
3367 * basic_block.h (flow_call_edges_add): New.
3369 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3371 * reload1.c (move2add_note_store): Update reg_set_luid even if
3372 base reg remains the same.
3374 2001-01-10 Nick Clifton <nickc@redhat.com>
3376 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3377 machine_function structure to zero.
3378 Add prototypes for machine_status functions.
3380 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3382 * c-common.h (CTI_VOID_LIST): Remove.
3383 (void_list_node): Likewise.
3384 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3385 (void_list_node): New macro.
3386 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3387 * config/i386/i386.c (ix86_init_builtins): Likewise.
3388 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3390 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3392 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3393 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3395 * tradcpp.c: Include mkdeps.h.
3396 (deps, print_deps_phony_targets, deps_append, output_deps,
3397 init_dependency_output, output_deps): New.
3398 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3399 deps_output): Delete.
3400 (print_deps_missing_files): Rename deps_missing_files.
3401 (inhibit_output): Make global.
3402 (main): Delete inhibit_output, deps_stream, deps_target.
3403 Use mkdeps functionality in the same way as cpplib. Remove
3404 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3405 -M and -MM. Remove old handling of deps via deps_out, and
3406 old reading of environment variables.
3407 (get_filename): Update to use deps_add_dep.
3409 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3411 * output.h (make_function_rtl): Remove prototype.
3412 (make_decl_rtl): Likewise.
3413 * varasm.c (make_function_rtl): Remove.
3414 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3415 than from a third parameter.
3416 * tree.h (make_decl_rtl): Remove last parameter.
3417 * c-decl.c (builtin_function): Remove last argument in call to
3418 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3419 (start_function): Likewise.
3420 * except.c (call_get_eh_context): Likewise.
3421 * expr.c (emit_block_move): Likewise.
3422 (clear_storage): Likewise.
3423 * profile.c (output_func_start_profiler): Likewise.
3424 * toplev.c (rest_of_decl_compilation): Likewise.
3425 * objc/objc-act.c (create_builtin_decl): Likewise.
3426 (synth_module_prologue): Likewise.
3427 (generate_static_reference): Likewise.
3428 (build_selector_reference_decl): Likewise.
3429 (build_class_reference_decl): Likewise.
3430 (build_objc_string_decl): Likewise.
3431 (build_protocol_reference): Likewise.
3433 2001-01-10 Richard Henderson <rth@redhat.com>
3435 * hwint.h: Revert yesterday's change.
3437 2001-01-10 Nick Clifton <nickc@redhat.com>
3439 * function.h (save_machine_status): Delete.
3440 (restore_machine_status): Delete.
3441 Amend comment describing {init|mark|free}_machine_status.
3443 * function.c (save_machine_status): Delete.
3444 (restore_machine_status): Delete.
3445 Amend comment describing {init|mark|free}_machine_status.
3446 (push_function_context_to): Remove invocation of
3447 save_machine_status.
3448 (pop_function_context_from): Remove invocation of
3449 restore_machine_status.
3451 * emit-rtl.c (init_emit_once): Amend comment describing
3452 {init|mark|free}_machine_status.
3454 * tm.texi (Per-Function Data): New node. Describe the
3455 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3458 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3460 * cppinit.c (OPT_g): Remove.
3461 (cpp_handle_option): Update for removed -g3.
3462 (print_help): Update.
3463 * cpplib.h (struct cpp_options): Remove debug_output.
3464 * cppmain.c (setup_callbacks, cb_define): Update.
3465 * gcc.c (cpp_options): Translate -g3 to -dD.
3467 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3469 * config/i960/i960.md: Change modifier to + on the zero_extract
3470 pattern after the (rotate -2 reg) canonicalization pattern.
3472 2001-01-10 Richard Henderson <rth@redhat.com>
3474 * config/alpha/alpha.c (alpha_free_machine_status): New.
3475 (override_options): Install it.
3476 (alpha_mark_machine_status): Verify machine non-null.
3477 * config/i386/i386.c (ix86_free_machine_status): New.
3478 (override_options): Install it.
3479 (ix86_init_machine_status): Use xcalloc.
3480 (ix86_mark_machine_status): Verify machine non-null.
3481 * config/ia64/ia64.c (ia64_free_machine_status): New.
3482 (ia64_override_options): Install it.
3483 (ia64_mark_machine_status): Verify machine non-null.
3485 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3487 * function.c (instantiate_virtual_regs): Instantiate virtual
3488 registers found in CALL_INSN_FUNCTION_USAGE.
3490 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3492 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3493 equivalent to -ansi in disabling -Di386.
3495 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3497 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3499 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3501 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3503 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3505 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3507 * invoke.texi: Document that -fcond-mismatch isn't supported for
3510 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3512 * gcc.texi: Define macro gcctabopt.
3513 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3514 @command, @env and @option in some places where appropriate. Use
3515 @gcctabopt where appropriate. Put URLs and email addresses inside
3518 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3520 * gcc.c (cpp_options): Set MD file name from output
3521 filename, if specified.
3522 (suffix_subst): New static variable.
3523 (do_spec): Clear it.
3524 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3526 (give_switch): Handle suffix_subst.
3528 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3530 * invoke.texi: Fix another typo.
3532 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3534 * invoke.texi: Fix typo.
3536 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3538 * c-lang.c (lang_hooks): Update.
3539 (lang_decode_option): Remove.
3540 (lang_init_options): Rename c_init_options.
3541 * toplev.c (main): Use lang_hooks for lang_init_options
3542 and lang_decode_option.
3543 * toplev.h (lang_hooks): Add 2 new hooks.
3544 * tree.h: Remove lang_init_options and lang_decode_option.
3545 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3546 * cp/decl2.c: Similarly.
3547 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3548 (lang_hooks): Update.
3549 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3551 (lang_init_options): Rename ffe_init_options.
3552 (lang_hooks): Update.
3553 (lang_decode_option): Remove.
3554 * java/lang.c (lang_init_options): Rename java_init_options.
3555 (lang_decode_option): Rename java_decode_option.
3556 (lang_hooks): Update.
3557 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3558 (lang_decode_option): Rename objc_decode_option.
3559 (lang_hooks): Update.
3561 2001-01-09 Nick Clifton <nickc@redhat.com>
3563 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3564 (d30v_return_addr_rtx): Delete.
3565 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3566 cfun->machine structure.
3567 (struct machine_function): Move to d30v.h
3568 (d30v_save_machine_status): Delete.
3569 (d30v_restore_machine_status): Delete.
3570 (d30v_init_machine_status): New Function.
3571 (d30v_mark_machine_status): New Function.
3572 (d30v_free_machine_status): New Function.
3573 (d30v_init_expanders): Use new functions.
3574 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3575 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3576 d30v_return_addr_rtx.
3578 * config/d30v/d30v.h (struct_machine): Move here.
3579 Add eh_epilogue_sp_ofs field.
3581 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3582 field in cfun->machine structure.
3584 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3586 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3587 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3588 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3590 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3592 * objc/lang-options.h: Remove bogus reference to
3595 2001-01-09 Kazu Hirata <kazu@hxi.com>
3597 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3600 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3602 * reload.c (find_reloads_address): Check for eliminable registers
3603 when substituting a constant expression for a pseudo.
3605 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3607 * c-common.c (enum format_type): Add format_type_error.
3608 (decode_format_type): New function.
3609 (decl_attributes): Use it.
3610 (format_kind_info): Adjust comment.
3612 2001-01-09 David O'Brien <obrien@BSDi.com>
3614 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3615 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3617 * config/i386/gnu.h: Don't include required platform specific .h files,
3618 tm.h will do it instead.
3619 * config/i386/i386elf.h: Likewise.
3620 * config/i386/linux.h: Likewise.
3621 * config/i386/moss.h: Likewise.
3622 * config/mips/gnu.h: Likewise.
3624 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3626 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3627 (rs6000-ibm-aix3.[01]*): Likewise.
3628 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3629 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3630 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3631 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3632 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3633 (powerpc-*-eabiaix*): Likewise.
3634 (powerpc-*-eabisim*): Likewise.
3635 (powerpc-*-elf*): Likewise.
3636 (powerpc-*-eabi*): Likewise.
3637 (powerpc-*-rtems*): Likewise.
3638 (powerpc-*-linux*libc1): Likewise.
3639 (powerpc-*-linux*): Likewise.
3640 (powerpc-wrs-vxworks*): Likewise.
3641 (powerpcle-wrs-vxworks*): Likewise.
3642 (powerpcle-*-sysv*): Likewise.
3643 (powerpcle-*-elf*): Likewise.
3644 (powerpcle-*-eabisim*): Likewise.
3645 (powerpcle-*-eabi*): Likewise.
3646 (powerpcle-*-solaris2*): Likewise.
3647 * config/rs6000/aix31.h: Delete includes.
3648 * config/rs6000/aix3newas.h: Likewise.
3649 * config/rs6000/aix41.h: Likewise.
3650 * config/rs6000/aix43.h: Likewise.
3651 * config/rs6000/beos.h: Likewise.
3652 * config/rs6000/rtems.h: Likewise.
3653 * config/rs6000/sysv4.h: Likewise.
3655 2001-01-09 Kazu Hirata <kazu@hxi.com>
3657 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3658 Change an argument mode of machine_mode to shift_mode of
3659 shift_mode. Remove an extra error check.
3660 (emit_a_shift): Adopt to the new calling prototype of
3662 (function_prologue): Fix code for a monitor
3663 function. Support H8/S.
3664 (function_epilogue): Do not output pop for a monitor function.
3666 2001-01-09 Nick Clifton <nickc@redhat.com>
3668 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3669 (setup_incoming_varargs): Use sysv_varargs_p field of the
3670 cfun->machine structure.
3671 (struct machine_function): Move to rs6000.h
3672 (rs6000_save_machine_status): Delete.
3673 (rs6000_restore_machine_status): Delete.
3674 (rs6000_init_machine_status): New Function.
3675 (rs6000_free_machine_status): New Function.
3676 (rs6000_init_expanders): Use new functions.
3678 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3680 (struct machine_function): Move here.
3682 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3683 sysv_varargs_p field of the cfun->machine structure.
3685 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3687 (rs6000_restore_machine_status): Remove prototype.
3689 2001-01-09 Richard Henderson <rth@redhat.com>
3691 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3692 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3693 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3694 (sched_analyze_2, sched_analyze_insn): Likewise.
3695 (sched_analyze, init_deps): Likewise.
3696 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3697 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3698 (compute_block_backward_dependences): Update propagate_deps call.
3700 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3702 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3704 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3706 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3707 (cpp_handle_option): Handle them.
3708 (cpp_post_options): Ensure one of -M or -MM is specified with
3709 any other -M? option.
3710 (init_dependency_output): Suppress output with -MG.
3712 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3715 * invoke.texi: Update.
3717 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3719 * sh.md (reload_outsf): Generate recognizable patterns for
3722 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3724 * c-lang.c (lang_hooks): Update.
3725 (lang_init): Rename c_init.
3726 (lang_finish): Remove.
3727 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3729 * toplev.h (lang_hooks): Add init () and finish ().
3730 * tree.h (lang_init, lang_finish): Remove.
3731 * cp/tree.h (lang_init, lang_finish): Remove.
3732 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3733 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3735 (lang_init, lang_finish): Remove.
3736 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3737 (lang_hooks): Update.
3738 * java/lang.c (lang_init): Rename java_init.
3739 (lang_finish): Remove.
3740 (lang_hooks): Update.
3741 * objc/objc-act.c (lang_init): Rename objc_init.
3742 (lang_finish): Remove.
3743 (lang_hoooks): Update.
3745 20001-01-09 Graham Stott <grahams@redhat.com>
3747 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3748 after `ptr` is initialised.
3750 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3752 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3753 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3754 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3755 stack adjusts, instead of r3.
3757 2001-01-09 Michael Hayes <mhayes@redhat.com>
3759 * flow.c (flow_loop_scan): Break out of ...
3760 (flow_loops_find) ... here.
3761 * basic-block.h (flow_loop_scan): New.
3762 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3763 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3765 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3767 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3769 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3770 realloc()ing macro_buffer.
3772 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3773 if it's wider than long and the target's long is wider than the
3776 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3778 Remove support for using UWIN as a host machine.
3779 * configure.in: Issue an error message.
3780 * configure: Regenerated.
3781 * config.gcc: Remove xm_* UWIN configury.
3782 * config/i386/xm-uwin.h: Remove.
3784 2001-01-08 Nick Clifton <nickc@redhat.com>
3786 * config/v850/v850.c (ra_rtx): Delete.
3787 (v850_save_machine_status): Delete.
3788 (v850_restore_machine_status): Delete.
3789 (v850_init_machine_status): New function.
3790 (v850_mark_machine_status): New function.
3791 (v850_free_machine_status): New function.
3792 (v850_return_addr): Use ra_rtx field in machine structure.
3793 (v850_init_expanders): Use new functions.
3795 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3796 * config/v850/v850.c: Change arguments to v850_output+* functions
3797 to take a const char *, to avoid compile time warning.
3798 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3799 (USER_LABEL_PREFIX): Redefine.
3801 2000-01-08 Jim Wilson <wilson@redhat.com>
3803 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3804 1 to unsigned HOST_WIDE_INT before left shift.
3806 2001-01-08 Nick Clifton <nickc@redhat.com>
3808 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3809 the machine structure has been allocated.
3810 (arm_free_machine_status): New function: Free the machine
3811 specific function structure.
3813 2001-01-08 Richard Henderson <rth@redhat.com>
3815 * jump.c (simplejump_p): Revert last change.
3817 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3819 * cppinit.c (init): Rename init_library.
3820 (cpp_create_reader): Update.
3821 * gcc.c (cpp_options): If -o given, use it as the target of
3824 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3826 * arm.c (arm_arch5e): New variable.
3827 (all_cores): XScale is a 5TE device.
3828 (arm_override_options): Set arm_arch5e.
3829 (arm_init_builtins): __builtin_prefetch is in arch5e.
3830 * arm.h (arm_arch5e): Declare it.
3832 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3834 * arm.md (define_constants): Add defines for UNSPEC and
3835 UNSPEC_VOLATILE insns. Update all users.
3836 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3837 * arm.c (multi_register_push, note_invalid_constants)
3838 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3839 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3840 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3842 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3844 * jump.c (jump_optimize_1): Use reversed_comparison_code
3845 instead of can_reverse_comparison_p.
3846 (jump_back_p): Likewise.
3847 (invert_exp_1): Likewise.
3848 (thread_jumps): Likewise.
3849 * simplify-rtx.c (simplify_unary_operation): Likewise.
3850 (simplify_ternary_operation): Likewise.
3851 * cse.c (find_comparison_args): Convert to use
3852 can_reverse_comparison_p.
3853 (record_jump_equiv): Likewise.
3855 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3857 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3858 (EPILOGUE_USES): Define.
3859 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3860 automatically stack the LR if it isn't live.
3862 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3864 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3867 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3869 * ggc-page.c (max_alignment): New structure.
3870 (MAX_ALIGNMENT): New macro.
3871 (init_ggc): Use it to round up the sizes in the
3872 extra_order_size_table.
3874 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3876 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3879 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3881 * builtins.def (BUILT_IN_FPRINTF): New entry.
3883 * c-common.c (c_expand_builtin_fprintf): New function.
3884 (init_function_format_info): Handle __builtin_fprintf.
3885 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3886 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3888 * c-decl.c (duplicate_decls): Adjust comment.
3890 * extend.texi (fprintf): Document new builtin.
3892 2001-01-07 Richard Henderson <rth@redhat.com>
3894 * jump.c (simplejump_p): Recognize any single_set jump
3897 2001-01-07 Richard Henderson <rth@redhat.com>
3899 * configure.in (slibdir): Accept an --with-slibdir option.
3900 Use "test" not "[" in configure. Default to $(libdir).
3902 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3904 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3905 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3906 (SHLIB_LINK): Create links for the soname.
3907 * config/mips/t-iris6: Likewise.
3908 * config/sparc/t-slibgcc: Likewise.
3909 * config/sparc/t-slibgcc-sld: Likewise.
3911 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3913 * config/i386/i386.c (constant_call_address_operand): Accept
3914 (const (plus (symbol_ref) (const_int))).
3915 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3916 constant_call_address_operand.
3918 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3920 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3921 and LONG_LONG_TYPE_SIZE > 32.
3923 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3925 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3926 the previous change.
3928 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3930 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3932 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3933 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3934 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3937 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3939 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3941 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3943 * c-lang.c (c_post_options): Call cpp_post_options.
3944 * objc/objc-act.c (objc_post_options): Similarly.
3945 * cppmain.c (main): Similarly.
3946 * fix-header.c (read_scan_file): Similarly.
3947 * cppinit.c (cpp_start_read): Move option consistency checks
3948 to cpp_post_options. Don't call init_dependency_output.
3949 If needed, add default target and main file dependency.
3950 (OPT_MD, OPT_MMD): Remove.
3952 (cpp_handle_option): Update for OPT_* changes.
3953 (cpp_post_options): New.
3954 (init_dependency_output): Command line -MF overrides environment
3955 variables. Don't set default target etc. Suppress output
3956 if dependencies are going to stdout.
3957 (print_help): Update.
3958 * cpplib.h (cpp_post_options): New.
3959 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3961 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3963 * jump.c (comparison_dominates_p): Support unordered compares.
3965 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3967 * simplify-rtx.c (simplify_relational_operation): Always simplify
3968 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3971 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3973 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3974 (nonzero_bits): Likewise.
3975 (simplify_comparison): Likewise.
3976 (num_sign_bit_copies): Likewise; return more sane value depending
3977 on STORE_FLAG_VALUE.
3978 (known_cond): Do not assume EQ to be always true for equivalent
3981 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3983 * cse.c (fold_rtx): Handle unordered comparisons.
3985 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3987 * rtlanal.c (set_of_1): New static function.
3988 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3989 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3990 reg_set_last_last_regno): Remove.
3991 (set_of): New global function.
3992 (set_of_data): New structure.
3993 (reg_set_p, reg_set_last): Revamp for set_of.
3994 * rtl.h (set_of): New.
3996 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3998 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3999 * extend.texi: Document _Exit builtin.
4001 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4003 * (initialize, initialize_builtins,
4004 initialize_dependency_output, initialize_standard_includes):
4005 Rename s/initialize/init. Update.
4006 (init_dependency_output): Move to after
4007 cpp_handle_options, the correct location temporally at least.
4008 (opt_comp): Move next to init (), its caller. Fix prototype.
4009 (init): Make "initialized" local scope.
4010 (cpp_create_reader): Always call init ().
4011 (cpp_start_read): Update.
4012 (output_deps): New function, broken out of cpp_finish.
4013 (cpp_finish): Break out output_deps.
4015 2001-01-07 Richard Henderson <rth@redhat.com>
4017 * collect2.c (COFF specific stuff): Revert 12-06 patch
4018 to prototype system functions.
4020 2001-01-07 Michael Hayes <mhayes@redhat.com>
4022 * hard-reg-set.h: Add multiple include guard.
4023 * basic-block.h (struct loop): Add `sink' field.
4024 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4025 (emit_iv_add_mult): Delete.
4026 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4027 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4028 (unroll_loop): Remove end_insert_before argument.
4029 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4030 (maybe_eliminate_biv_1): Likewise.
4031 (emit_iv_add_mult): Delete.
4032 (gen_add_mult, loop_regs_update): New.
4033 (loop_insn_emit_after, loop_insn_emit_before): New.
4034 (loop_insn_sink, loop_insn_sink_or_swim): New.
4035 (emit_iv_add_mult): Delete.
4036 (scan_loop): Set loop->sink.
4037 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4038 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4039 (maybe_eliminate_biv_1): Likewise.
4040 (maybe_eliminate_biv_1): Add basic block argument.
4041 * unroll.c (unroll_loop): Remove end_insert_before argument.
4042 (find_splittable_regs): Likewise.
4043 (find_splittable_regs): Use loop_insn_sink and its ilk.
4044 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4046 2001-01-07 Michael Hayes <mhayes@redhat.com>
4048 * loop.h (loop_insn_hoist): New prototype.
4049 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4050 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4051 (check_dbra_loop, load_mems): Likewise.
4052 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4053 (find_splittable_givs): Likewise.
4055 2001-01-07 Michael Hayes <mhayes@redhat.com>
4057 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4059 2001-01-07 Richard Henderson <rth@redhat.com>
4061 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4063 2001-01-07 Richard Henderson <rth@redhat.com>
4065 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4066 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4067 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4068 variant that handles a shared libgcc.
4069 (process_command): Always validate -{static,shared}-libgcc.
4070 (do_spec_1): New 'M' case.
4071 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4073 2001-01-07 Richard Henderson <rth@redhat.com>
4075 * Makefile.in (slibdir): New variable.
4076 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4077 (installdirs): Create slibdir.
4078 (install-libgcc, install-multilib): Defer to libgcc.mk.
4079 * configure.in (slibdir): Substitute.
4080 * mklibgcc.in (install): New target.
4082 * config/t-linux (SHLIB_LINK): Create links for the soname.
4083 (SHLIB_INSTALL): New.
4084 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4085 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4086 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4087 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4088 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4090 2001-01-07 Richard Henderson <rth@redhat.com>
4092 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4093 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4094 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4096 2001-01-07 Michael Hayes <mhayes@redhat.com>
4098 * loop.c (count_loop_regs_set): Delete.
4099 (load_mems_and_recount_loop_regs_set): Delete.
4100 (loop_regs_scan): Merge common code from count_loop_regs_set,
4101 scan_loop, and load_mems_and_recount_loop_regs_set.
4102 (scan_loop): Call load_mems directly and loop_regs_scan
4103 again if new registers created.
4105 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4107 * toplev.c (main): Call the front-end specific post_options
4108 hook if one is given.
4109 * toplev.h (struct_lang_hooks, lang_hooks): New.
4110 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4111 for the C front end.
4112 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4113 lang_hooks for the C++ front end.
4114 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4115 lang_hooks for the ObjC front end.
4116 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4117 * java/lang.c (lang_hooks): Hooks for the Java front end.
4119 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4121 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4122 for verbose DWARF[2] debugging.
4123 (cb_define, cb_undef): The new callbacks.
4124 * toplev.h (debug_define, debug_undef): Make const correct.
4125 * toplev.c (debug_define, debug_undef): Similarly. Do not
4126 perform the verbosity tests here anymore.
4128 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4130 * reload.c (subst_reloads): Take INSN argument. When
4131 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4132 * reload.h (subst_reloads): Adjust prototype.
4133 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4134 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4135 present in JUMP_INSNs and copy them to JUMP_LABEL.
4136 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4137 JUMP_INSNs and insns with REG_LABELs that are followed by
4138 JUMP_INSNs with the same REG_LABEL.
4139 * sched-rgn.c (is_cfg_nonregular): Likewise.
4140 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4142 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4144 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4146 2001-01-06 Richard Henderson <rth@redhat.com>
4148 * loop.c (scan_loop): Use xcalloc for the regs array.
4149 (load_mems_and_recount_loop_regs_set): Zero the new memory
4150 received from xrealloc.
4152 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4154 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4156 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4158 * integrate.c (copy_rtx_and_substitute): When copying
4159 an ignored return value, strip REG_FUNCTION_VALUE_P.
4161 2001-01-06 Michael Hayes <mhayes@redhat.com>
4163 * loop.c (debug_biv, debug_giv): New.
4164 (loop_biv_dump): Break out from ...
4165 (record_biv): ... here.
4166 (loop_giv_dump): Break out from ...
4167 (record_giv): ... here.
4168 (loop_bivs_check): Use print_simple_rtl.
4169 * unroll.c (loop_iterations): Use print_simple_rtl.
4171 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4173 * pa.md (return, return_internal): Modify patterns to prevent regrename
4174 mucking with the return pointer.
4176 2001-01-05 Richard Henderson <rth@redhat.com>
4178 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4180 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4182 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4183 version supplied by Matteo Frigo.
4185 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4187 * cpp.texi: Update for -MQ.
4188 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4189 (cpp_cleanup): Always free pfile->deps.
4190 (initialize_dependency_output): Don't create pfile->deps.
4191 (cpp_handle_option): Similarly.
4193 * gcc.c (cpp_options): Handle -MQ.
4194 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4195 * mkdeps.c (base_name): Remove.
4196 (deps_init): Don't allocate vector space until it's needed.
4197 (deps_free): Only free vectors if allocated.
4198 (deps_add_target, deps_add_dep): Update for initial allocation.
4199 (deps_add_default_target): Don't strip to the base_name.
4201 2001-01-05 DJ Delorie <dj@redhat.com>
4203 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4204 (INIT_EXPANDERS): Define.
4206 * config/v850/v850.c (struct machine_function): Define.
4207 (v850_save_machine_status): New function.
4208 (v850_restore_machine_status): New function.
4209 (v850_return_addr): New function.
4210 (v850_init_expanders): New function.
4212 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4213 and v850_init_expanders.
4215 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4217 * cpplib.h (struct cpp_reader): Add help_only field.
4218 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4219 (cpp_handle_option): Set pfile->help_only if we see -h,
4220 --help, -target-help, or --version. Print version string but
4221 do not set help_only if we see -v or -version. Make text
4222 printed by -v match that printed by (-)-version.
4224 * cppmain.c (main): Exit after option parsing if
4225 pfile->help_only is true.
4227 * toplev.c (independent_decode_option): Call print_version,
4228 then exit, if we see --version (but not -version).
4229 (print_version): Split lengthy message into two lines.
4231 2001-01-05 Nick Clifton <nickc@redhat.com>
4233 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4234 temporary string for initialisation before calling ggc_alloc_string.
4236 2001-01-06 Michael Hayes <mhayes@redhat.com>
4238 * rtl.h (print_simple_rtl): New.
4239 * print-rtl.c (print_simple_rtl): New.
4241 (print_rtx): Disable printing of flags and modes, etc.,
4242 if `flag_simple` nonzero.
4244 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4246 * function.c (fixup_var_refs): Use push_to_full_sequence where
4249 2001-01-05 Michael Meissner <meissner@redhat.com>
4251 * flags.h (flag_reorder_blocks): Add declaration.
4252 (flag_rename_block): Ditto.
4254 2001-01-05 DJ Delorie <dj@redhat.com>
4256 * function.c (reorder_blocks): Make sure the flags are all reset
4257 before using them to mark blocks, else a second invocation will
4258 corrupt the block chain.
4259 (reorder_blocks_0): New, resets the flags.
4261 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4263 * cse.c (find_comparison_args): Stop if the argument is known to
4266 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4268 * config/sh/sh.md (movdf): When splitting load into pair of
4269 registers, don't clobber the register used in the address too
4272 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4274 * varasm.c (mark_constant_pool): Improve initial comments.
4275 (mark_constants): Move marking of constants to mark_constant.
4276 (mark_constant): New function to recursively mark all constants
4277 referred to by a constant.
4279 2001-01-05 Catherine Moore <clm@redhat.com>
4281 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4283 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4285 * cp/lang-options.h: Bring comment in line with reality.
4286 * f/lang-options.h: Likewise.
4287 * java/lang-options.h: Likewise.
4288 * objc/lang-options.h: Likewise.
4289 * ch/lang-options.h: Likewise.
4290 * f/g77.texi: And update the manual.
4292 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4293 Denis Chertykov <denisc@overta.ru>
4295 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4296 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4297 * config/avr/avr.md (all peepholes that request a scratch register):
4298 Call it, FAIL the peephole if not safe (in interrupt functions).
4300 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4302 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4304 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4306 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4308 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4309 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4310 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4311 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4312 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4314 * extend.texi: Document these builtins.
4316 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4318 * c-common.c (lang_get_alias_set): Say we know nothing of
4319 VECTOR_TYPE aliasing.
4321 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4323 2001-01-05 Bruce Korb <bkorb@gnu.org>
4325 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4326 their x* equivalent versions for atexit-less systems
4327 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4328 systems (or any other system any more).
4330 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4332 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4333 output operands. Use arm_hard_register_operand for operand 4.
4334 (stmsi_postinc): Similarly.
4335 (ldmsi): Use arm_hard_register_operand for opernand 2.
4337 * arm.c (arm_hard_register_operand): New function.
4338 * arm-protos.h (arm_hard_register_operand): Prototype it.
4340 * arm.h (HARD_REGNO_RENAME_OK): Define.
4342 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4344 * simplify-rtx.c (cfc_args): add "unordered" field.
4345 (check_fold_consts): Set unordered field.
4346 (simplify_relational_operation): Simplify the unordered
4349 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4352 * emit-rtl.c (try_split): Fix code to mark labels.
4353 * jump.c (mark_jump_label): Make global.
4354 * rtl.h (mark_jump_label): Declare.
4356 * predict.c (estimate_probability): Handle unordred comparisons.
4358 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4360 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4361 * cppinit.c (initialize_dependency_output): Update.
4362 (cpp_finish): Output dummy targets for -MP.
4364 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4365 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4366 * gcc.c (cpp_options): Update to handle -MP.
4367 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4368 to quote only the default target.
4369 (deps_phony_targets): Insert a preceding newline. Rename from
4370 deps_dummy_targets for consistency.
4373 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4375 * calls.c (emit_library_call_value_1): Support
4376 INIT_CUMULATIVE_LIBCALL_ARGS.
4377 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4379 2001-01-04 Richard Henderson <rth@redhat.com>
4381 * c-decl.c (finish_struct): Detect flexible array members
4382 used in an inappropriate context.
4383 * c-typeck.c (really_start_incremental_init): Special case
4384 constructor_max_index for zero length arrays.
4385 (pop_init_level): Allow initialization of flexible array
4386 members. Deprecate initialization of zero length arrays.
4387 Don't issue missing initializer warning for flexible array
4388 members or zero length arrays.
4389 (process_init_element): Don't dereference null DECL_SIZE.
4390 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4391 Don't abort for empty constructors. Use size_binop
4392 (output_constructor): Add commentary regarding zero length
4393 array futures. Abort if we try to initialize an array of
4394 unspecified length with a non-empty constructor in the middle
4397 * extend.texi (Zero Length): Update and clarify documentation
4398 on static initialization.
4400 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4402 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4403 with more than 32767 words of local storage.
4405 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4407 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4408 for 'abs', 'labs', and 'fabs'.
4409 (c4x_expand_builtin): Likewise.
4410 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4412 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4414 * config/sh/sh.md (prget, prset): New insn types.
4415 (return delay slot): Dont' allow prset.
4416 (call, sfunc delay slot): Don't allow prget.
4417 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4418 for prset and prget.
4420 2001-01-05 Michael Hayes <mhayes@redhat.com>
4422 * loop.h (struct loop_reg): New.
4423 (struct loop_regs): Change to use array of `struct loop_reg'.
4424 * loop.c: Replace assortment of varrays with single regs array.
4425 (count_one_set): Delete may_not_move array argument
4426 and use regs array instead. All caller's changed.
4427 (count_loop_regs_set): Delete may_not_move and single_usage
4428 arguments and use regs array instead. All caller's changed.
4429 (find_single_use_in_loop): Replace usage array argument with pointer
4430 to regs structure. All caller's changed.
4431 (loop_optimize): Delete `moved_once' array.
4433 2001-01-05 Michael Hayes <mhayes@redhat.com>
4435 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4436 Use it instead of loop_info->has_call for scanning loop mems.
4437 (check_dbra_loop): Replace loop_info->has_call test with
4438 loop_info->has_nonconst_call.
4440 2000-01-04 Matthew Hiller <hiller@redhat.com>
4442 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4445 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4447 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4448 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4450 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4452 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4453 (flag_short_double, flag_short_wchar): Define.
4454 (c_common_nodes_and_builtins): Create many tree nodes shared
4455 between C and C++ here instead of in cp/decl.c and ...
4456 * c-decl.c (init_decl_processing): ... here.
4457 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4458 (flag_short_double, flag_short_wchar): Don't define.
4459 (record_builtin_type): New function.
4460 (build_void_list_node): New function.
4461 * c-common.h (flag_short_double, flag_short_wchar,
4462 record_builtin_type, build_void_list_node): Declare.
4464 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4466 * integrate.c (expand_inline_function): Don't put a virtual
4467 register into the reg map.
4469 * function.c (fixup_var_refs_1): If force_operand didn't put
4470 the address into the target, move it there.
4472 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4474 Special-case tree_decl/tree_list allocations.
4475 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4476 (OBJECT_SIZE): New macro.
4477 (NUM_EXTRA_ORDER): Likewise.
4478 (extra_order_size_table): New variable.
4479 (NUM_ORDERS): New macro.
4480 (objects_per_page_table): New variable.
4481 (object_size_table): New variable.
4482 (G.pages): Use NUM_ORDERS to bound the array.
4483 (G.page_tails): Likewise.
4484 (DIV_ROUND_UP): Remove.
4485 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4486 (alloc_page): Use OBJECT_SIZE.
4487 (size_lookup): Don't make it const.
4488 (ggc_alloc): Use OBJECT_SIZE.
4489 (ggc_set_mark): Likewise.
4490 (ggc_get_size): Likewise.
4491 (init_ggc): Set up the object_size_table, objects_per_page_table,
4492 and adjust size_lookup.
4493 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4494 (ggc_pop_context): Use NUM_ORDERS.
4495 (clear_marks): Likewise.
4496 (sweep_pages): Likewise.
4497 (poison_pages): Likewise.
4498 (ggc_print_statistics): Use OBJECT_SIZE.
4500 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4502 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4503 Only call array_size_for_constructor if last field and array type
4504 with no upper bound.
4506 2001-01-04 Philip Blundell <philb@gnu.org>
4508 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4509 from bit 31 downwards, if this requires no more insns.
4510 (count_insns_for_constant): New helper function for above.
4512 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4514 * gencodes.c (output_predicate_decls): Remove empty initializer.
4516 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4518 * tree.c (copy_node): Remove documentation about obstacks.
4519 (buidl1): Check that nobody tries to build 2-argument nodes this
4522 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4524 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4527 * gencodes.c (output_predicate_decls): Fill empty initializer
4530 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4532 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4533 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4535 (do_include): Handle missing headers like cpp0.
4536 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4537 paths with first include pathname. Don't strcat to uninitialized
4540 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4542 * regrename.c (regrename_optimize): Don't rename from frame pointer
4543 if frame_pointer_needed.
4544 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4545 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4546 (ia64_reorg): Use it instead of scheduling if ! optimize.
4547 (errata_emit_nops): Properly call asm_noperands.
4548 (ia64_sched_reorder): Finish cycle if we see an asm.
4549 (ia64_variable_issue): Clear scheduling state after asms.
4551 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4553 * cpp.texi: Update for -MT.
4554 * cppinit.c (initialize_dependency_output): Add a default
4555 target if none has been given already.
4556 (no_tgt, OPT_MT): New.
4557 (cpp_handle_option): Handle -MT. Update -M etc.
4558 * cpplib.h (struct cpp_options): Remove deps_target.
4559 * gcc.c (cpp_options): Handle -MT.
4560 * mkdeps.c (struct deps): Move from mkdeps.h.
4561 (deps_calc_target): Rename deps_add_default_target. Add a
4562 default target if none has been specified already.
4563 * mkdeps.h (struct deps): Move to mkdeps.c.
4564 (deps_calc_target): Rename deps_add_default_target.
4566 2000-01-03 Richard Henderson <rth@redhat.com>
4568 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4570 * c-typeck.c (push_init_level): Move checks for flexible array
4571 members and zero length arrays ...
4572 (pop_init_level): ... here. Silently discard empty initializations.
4574 * varasm.c (output_constructor): Update for sizeof change to
4577 * extend.texi (Zero Length): Clarify semantics.
4579 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4581 * configure.in (tm.h): Include isns-codes.h last.
4582 * configure: Rebuilt.
4584 2001-01-03 Richard Henderson <rth@redhat.com>
4586 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4587 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4589 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4591 * tradcpp.c (main): Make sure finclude() is called with a valid
4592 indepth value while handling -include.
4594 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4596 * gencodes.c (output_predicate_decls): New function.
4598 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4599 even if it is not the first time machmode.h is #included.
4600 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4601 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4602 * gcc.texi (Copyright): Added 2001.
4604 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4606 * c-common.c (c_common_lang_init): New function. Warn if format
4607 warning options which only have effects when used with -Wformat
4608 are used without -Wformat.
4609 * c-common.h (c_common_lang_init): Declare.
4610 * c-lang.c (lang_init): Call c_common_lang_init.
4611 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4613 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4615 * configure.in: Check for the mktemp command.
4616 * configure: Regenerate.
4617 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4618 $TEMP. Create temporary files with mktemp, if available at
4619 configure time; otherwise use set -C. Remove temporary files
4622 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4624 * configure.in: Require at least texinfo 4.0. Check for whether
4625 Pod::Man is sufficiently recent to regenerate GCC manpages.
4626 * configure: Regenerate.
4627 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4629 (GENERATED_MANPAGES): Define.
4630 (generated-manpages): New target. Depend on cpp.1 as well as
4632 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4633 configure to generated-manpages or empty) rather than on the
4634 manpages directly. Remove execute permission from installed
4635 gcov.1 as well as cpp.1.
4636 * cpp.1, gcov.1: Regenerate.
4638 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4640 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4641 tree_low_cst. Allow using cmpstrsi in more cases.
4643 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4645 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4648 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4650 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4651 * Makefile.in (HOST_CFLAGS): Mention build-make.
4653 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4655 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4658 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4660 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4663 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4666 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4667 reg_base_value and reg_known_value arrays.
4668 (init_alias_analysis): Add more cases to detect known values.
4669 * sched-deps.c (deps_may_trap_p): New function.
4670 (sched_analyze_2): Use it.
4672 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4674 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4675 don't discard an ASHIFTRT if we're shifting in a wider mode.
4677 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4679 * toplev.c (rest_of_compilation): Don't print basic block information
4680 when CFG isn't up to date.
4682 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4684 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4685 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4686 (UNALIGNED_SHORT_ASM_OP): Define.
4687 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4689 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4691 * fold-const.c (fold_convert): Fix typo.
4693 2001-01-02 Richard Henderson <rth@redhat.com>
4695 * c-common.h (ASM_INPUT_P): New.
4696 * c-parse.in (asm): Set it when needed.
4697 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4698 existance of an operand.
4700 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4702 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4703 (dwarf2out_frame_debug_expr): Likewise.
4704 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4706 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4708 * i386.c (ix86_split_to_parts): Return number of part required;
4710 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4712 (ix86_split_long_move): Use number of part returned
4713 by ix86_split_to_parts
4714 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4716 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4717 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4718 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4719 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4720 (ALIGN_MODE_128): Add TFmode.
4721 (IS_STACK_MODE): Likewise.
4722 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4723 (HARD_REGNO_OK): Support TFmodes.
4724 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4725 * i386.md (scheduler definitions): Use memory operand to determine
4726 fst/fld instructions; use mode attribute to determine real mode of
4728 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4729 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4731 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4733 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4735 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4737 * expr.c (store_constructor_field): Update ALIGN before calling
4740 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4742 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4745 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4747 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4750 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4752 * c-decl.c (start_function): Don't warn on third parameter to main.
4754 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4756 * tsystem.h: Define HAVE_DECL_GETOPT.
4758 2001-01-02 Philip Blundell <pb@futuretv.com>
4760 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4763 2001-01-02 Richard Henderson <rth@redhat.com>
4765 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4767 2001-01-02 Andreas Jaeger <aj@suse.de>
4769 * c-decl.c (c_decode_option): Remove support of
4772 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4773 (W_options): Add -Wmissing-noreturn here.
4775 * flow.c: Define lang_missing_noreturn_ok_p.
4776 (check_function_return_warnings): Use it.
4778 * c-common.h: Declare lang_missing_noreturn_ok_p.
4780 * c-lang.c (c_missing_noreturn_ok_p): New function.
4781 (lang_init): Set lang_missing_noreturn_ok_p.
4783 * invoke.texi (Warning Options): Document this.
4785 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4787 * extend.texi (C++ Extensions): New node for C++ attributes;
4788 describe init_priority and com_interface.
4789 * invoke.texi: Remove -finit-priority as it now has zero effect.
4790 * install.texi: Fix xref syntax.
4791 * md.texi: Likewise.
4793 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4795 * config.gcc (sparc64-wrs-vxworks*): New case.
4796 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4798 * config/sparc/sparc.c (sparc_override_options): Do support different
4799 pointer and architecture size.
4800 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4801 (POINTERS_EXTEND_UNSIGNED): Define.
4802 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4803 (FUNCTION_MODE): Define to be Pmode.
4804 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4806 * function.c (expand_function_end): Properly handle DECL_RESULT
4807 and copy when ptr_mode != Pmode.
4808 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4810 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4812 * c-common.c (c_common_nodes_and_builtins): Set prototype
4813 parameters for __builtin_fputs, __builtin_fputc and
4814 __builtin_fwrite. Don't declare plain fputc as a builtin.
4816 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4818 * loop.c (add_label_notes): Increment the label usage count when
4819 a note is added to an insn which refers to a CODE_LABEL.
4820 * gcse.c (add_label_notes): Likewise.
4822 2001-01-01 Andreas Jaeger <aj@suse.de>
4824 * loop.c (scan_loop): Use xmalloc to allocate movables.
4826 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4828 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4829 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4830 * reload1.c (REGISTER_MOVE_COST): Likewise.
4831 * regclass.c (REGISTER_MOVE_COST): Likewise.
4832 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4833 dimension. Adjust all users.
4834 (init_reg_sets_1): Iterate on all modes.
4835 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4836 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4837 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4838 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4839 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4840 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4841 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4842 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4843 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4844 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4845 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4846 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4847 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4848 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4849 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4850 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4851 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4852 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4853 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4854 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4855 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4856 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4857 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4858 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4859 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4860 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4861 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4863 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4865 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4866 arg VARIES_P. Call it with extra arg.
4867 (true_dependence): Likewise.
4868 * rtl.h (rtx_addr_can_trap_p): Declare.
4869 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4871 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4872 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4873 pic offset table register if it's zero. All callers changed.
4874 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4876 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4878 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4879 STRING_POOL_ADDRESS_P.
4881 * config/sparc/sparc.c (input_operand): Properly test for short op.
4883 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4884 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4885 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4886 * config/sparc/elf.h: No longer include sol2.h.
4887 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4888 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4890 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4892 2001-01-01 Michael Hayes <mhayes@redhat.com>
4894 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4895 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4896 (record_initial): Likewise.
4897 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4898 (remap_split_bivs): Likewise.
4900 2001-01-01 Michael Hayes <mhayes@redhat.com>
4902 * loop.c (loop_ivs_free): New function.
4903 (strength_reduce): Break out from...
4905 2001-01-01 Michael Hayes <mhayes@redhat.com>
4907 * loop.h (struct iv): New.
4908 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4909 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4910 'reg_biv_class' fields with 'regs' and 'n_regs'.
4911 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4912 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4913 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4915 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4917 * resource.c (mark_referenced_resources): Abort() before
4918 attempting to mark a pseudo register.
4919 (mark_set_resources): Likewise.
4921 2001-01-01 Michael Hayes <mhayes@redhat.com>
4923 * loop.h (REG_IV_CLASS): New accessor macro.
4924 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4925 * unroll.c (REG_IV_CLASS): Likewise.
4927 See ChangeLog.4 for earlier changes.