1 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz.
3 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4 noce_try_store_flag_inc, noce_try_store_flag_mask,
6 Use reversed_comparison_code instead of reverse_comparison and
7 can_reverse_comparison_p.
9 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
11 * jump.c (reversed_comparison_code_parts): Allow reversal of
12 unordered compares in -ffast-math mode; reverse ordered compares
13 for FP even w/o -ffast-math.
15 2001-02-27 Richard Henderson <rth@redhat.com>
17 * print-rtl.c (print_rtx) [i]: Don't print field five on
18 NOTEs other than NOTE_INSN_DELETED_LABEL.
20 2001-02-27 Zack Weinberg <zackw@stanford.edu>
22 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
23 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
25 2001-02-27 Diego Novillo <dnovillo@redhat.com>
27 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
28 even if walk_subtrees is 0.
29 * c-semantics.c (prune_unused_decls): Return a non-null value to
30 stop traversing the tree chain.
32 2001-02-27 DJ Delorie <dj@redhat.com>
34 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
35 register, *then* define it as the new CFA.
37 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
39 * pa.c (override_options): Promote -fpic to -fPIC.
40 (legitimize_pic_address): Simplify due to removal of
41 small PIC as a code generation option.
42 (secondary_reload_class): Similarly.
43 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
44 (PRINT_OPERAND_ADDRESS): Similarly.
45 * pa.md (various patterns): Similarly.
46 (small pic lo_sum pattern): Remove.
48 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
51 * md.texi (min, max): Document
53 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
55 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
56 TARGET_PARTIAL_REG_DEPENDENCY.
57 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
59 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
61 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
63 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
65 * mips.c (mips_make_temp_file): Fix thinko in last change.
67 2001-02-26 Jason Eckhardt <jle@redhat.com>
69 * combine.c (known_cond): Do not reverse the condition when
70 SMAX/UMAX is being considered and the condition is for equality
73 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
75 2001-02-26 Philip Blundell <philb@gnu.org>
77 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
79 * config/arm/linux-elf.h: Remove historical relics related to
81 * config/arm/linux-oldld.h: Delete.
82 * config/arm/linux-elf26.h: Delete.
84 2001-02-26 Jason Merrill <jason@redhat.com>
86 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
88 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
89 recognize a tentative definition. Lose obsolete code.
91 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
92 variables unless necessary, either.
94 2001-02-25 Richard Henderson <rth@redhat.com>
96 * ifcvt.c (struct noce_if_info): Add test_bb.
97 (noce_get_alt_condition): New.
98 (noce_try_minmax, noce_try_abs): New.
99 (noce_operand_ok): New.
100 (noce_process_if_block): Use them.
101 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
103 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
105 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
108 2001-02-25 Zack Weinberg <zackw@stanford.edu>
110 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
111 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
113 (mips_asm_file_end): Free temp_filename here.
115 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
117 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
118 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
120 * config/i386/i386.md (movstrsi): Handle FAIL case.
122 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
124 * cppinit.c (builtin_array): Update.
125 (init_builtins): Flag builtins to warn if redefined or
126 undefined. Define __GXX_WEAK as a normal macro.
127 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
128 * cpplib.h (NODE_WARN): New flag.
129 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
130 Handle __STDC__ as a builtin only on Solaris.
131 (warn_of_redefinition): Renamed from check_macro_definition.
132 Reverse sense of test. Always warn if NODE_WARN.
133 (_cpp_create_definition): Use warn_of_redefinition. Flag
134 any macro beginning with "__STDC_" to require a mandatory
135 warning if redefined or undefined.
137 2001-02-24 Zack Weinberg <zackw@stanford.edu>
139 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
140 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
141 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
142 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
143 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
144 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
146 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
147 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
148 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
149 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
150 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
152 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
153 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
156 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
157 Delete now-empty file.
159 * alpha/vms.h: Define NEED_ATEXIT here...
160 * alpha/xm-vms.h: ...not here.
162 * i386/cygwin.h: Don't define PARAMS.
163 * mips/mips.c: Don't prototype mktemp. Don't define
164 P_tmpdir. Use make_temp_file to create temporary files.
165 Don't be clever and delete temporary files early.
166 * config.gcc: Drop references to deleted files. Don't define
168 * gcc.texi: Don't mention USE_PROTOTYPES.
170 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
172 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
173 (ix86_set_move_mem_attrs_1): Likewise.
174 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
175 * config/i386/i386.md (movstrsi): Call it.
177 2001-02-24 Zack Weinberg <zackw@stanford.edu>
179 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
180 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
181 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
182 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
184 (i750a-*-*): Error here if hosting on i750a.
185 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
187 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
188 Remove (empty modulo comments).
190 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
191 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
192 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
193 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
194 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
195 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
197 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
198 Remove reference to winnt.h in comment.
199 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
201 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
203 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
204 used to set another biv.
206 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
208 * tree.h (BLOCK_DEAD): New macro.
209 (struct tree_block): New flag, dead_flag.
210 * print-tree.c (print_node, case 'b'): Print missing fields.
211 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
212 * function.c (identify_blocks): Enable test for misplaced notes.
213 (all_blocks): Skip BLOCK_DEAD blocks.
214 * integrate.c (integrate_decl_tree): Likewise.
216 * errors.c (internal_error, trim_filename): New functions.
217 (fancy_abort): Call internal_error.
218 * errors.h (internal_error, trim_filename): New declarations.
220 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
222 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
224 (EXTRA_CONSTRAINT): Formatting changes.
226 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
228 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
230 2001-02-23 Per Bothner <per@bothner.com>
232 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
233 so they can be called from java/jvspec.c.
234 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
236 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
238 * i386.c (ix86_frame): New structure.
239 (ix86_compute_frame_size): Kill.
240 (ix86_compute_frame_layout): New.
241 (ix86_save_reg): New.
242 (ix86_can_use_return_insn_p): Use frame layout stuff.
243 (ix86_expand_prologue): Likewise.
244 (ix86_expand_epilogue): Likewise.
245 (ix86_initial_elimination_offset): Likewise.
246 (ix86_nsaved_regs): Use ix86_save_reg.
247 (ix86_emit_save_regs): Likewise.
249 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
251 * flow.c (find_sub_basic_blocks): New function.
252 (split_block): Be ready for basic block introduced by CODE_LABEL.
253 (commit_one_edge_insertion): Call find_sub_basic_block.
255 * flow.c (make_edges): Add edge from entry for blocks starting with
256 label having ALTERNATE_NAME
258 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
260 * function.c (epilogue_done): Be ready for first basic block not
261 containing PROLOGUE_END note.
262 (reposition_prologue_and_epilogue_notes): Avoid placing
263 PROLOGUE_END note between BASIC_BLOCK.
265 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
267 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
269 2001-02-21 DJ Delorie <dj@redhat.com>
271 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
272 check for current_function_has_nonlocal_goto from 1999-11-12.
274 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
276 * diagnostic.c (trim_filename): No longer static.
277 * toplev.h (trim_filename): Declare.
278 * rtl.c (rtl_check_failed_bounds): Call internal_error.
279 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
280 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
281 (rtvec_check_failed_bounds): Likewise.
282 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
284 * convert.c (convert_to_integer): Don't do unsigned unless result or
285 both inputs are unsigned.
287 * fold-const.c (fold_convert): Don't call size_int_type_wide if
290 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
292 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
294 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
296 * Makefile.in (resource.o): Add params.h dependence.
297 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
298 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
299 * resource.c: Add dependence on params.h.
300 (current_live_regs): Fix explanatory comment.
301 (find_basic_block): Add new parameter to permit limiting search
303 (mark_target_live_regs): Add new argument to find_basic_block call.
304 (incr_ticks_for_insn): Likewise.
306 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
308 * diagnostic.c (output_to_stream): Rename to
309 output_buffer_to_stream. Loses the stream parameter.
310 (init_output_buffer): Set diagnosic_buffer's stream.
311 (flush_diagnostic_buffer): Adjust.
312 (default_print_error_function): Likewise.
313 (finish_diagnostic): Likewise.
314 (verbatim): Likewise.
316 * diagnostic.h (struct output_buffer): Add `stream' field.
317 (output_buffer_attached_stream): New macro.
319 2001-02-23 Jakub Jelinek <jakub@redhat.com>
321 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
322 check if either operand is divisible by C.
323 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
324 If type is signed, consider negative numbers as well.
326 2001-02-22 Richard Henderson <rth@redhat.com>
328 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
329 reach .text instead of gp-relative relocs.
330 * config/ia64/crtend.asm (.init): Likewise.
332 2001-02-22 Andreas Jaeger <aj@suse.de>
334 * extend.texi (C++ Attributes): Fix typo.
336 2001-02-21 David Mosberger <davidm@hpl.hp.com>
338 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
339 functions, drop current_function_args_info.words test.
340 (ia64_compute_frame_size): Mark syscall_linkage functions as
341 using eight input registers.
343 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
344 Bruce Korb <bkorb@gnu.org>
346 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
347 * fixinc/README: Document how to convert sed substitutions
348 to format style c_fix-es.
349 * fixinc/fixincl.x: regen
351 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
353 * gcc.c: Add comment explaining how to add a command-line option.
354 Add title to specs language comment.
356 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
358 * gcc.c (cc1_options): Add "-param".
359 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
360 (option_map): Likewise.
361 * toplev.c (display_help): Add entry for "--param".
362 (independent_decode_option): Fix typographical error.
364 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
365 Bernd Schmidt <bernds@redhat.com>
366 Jan Hubicka <jh@suse.cz>
368 * i386.c (function_arg_advance): Pass SSE arguments in registers.
369 (function_arg): Likewise.
371 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
373 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
375 2001-02-21 Kazu Hirata <kazu@hxi.com>
377 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
381 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
383 * flow.c (init_propagate_block_info): Canon address and use single_set
384 for killing dead memory stores.
386 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
388 * Makefile.in (reorg.o): Add params.h dependence.
389 * params.def: Fix typographical error in comment.
390 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
391 * params.h: Modify introductory comment.
392 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
393 * reorg.c: Add dependence on params.h.
394 (redundant_insn): Add parameterized throttle for search.
395 (fill_simple_delay_slots): Add a comment explaining a variable.
396 Move conditional out of loop, simplifying code.
397 (fill_eager_delay_slots): Fix typographical error in comment.
399 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
401 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
403 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
404 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
406 2001-02-21 Jason Merrill <jason@redhat.com>
408 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
409 (struct tree_decl): Add uninlinable bitfield.
410 * c-decl.c (duplicate_decls): Set it.
411 * integrate.c (function_cannot_inline_p): Check it.
413 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
414 DW_AT_MIPS_linkage_name to abstract methods.
415 (dwarf2out_abstract_function): Emit class context before calling
416 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
417 (gen_subprogram_die): Remove obsolete code.
418 (gen_member_die): Don't include clones in the member list.
419 (gen_decl_die): Emit abstract info for clone origin.
420 * dwarfout.c (output_type): Don't include clones in the member list.
421 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
422 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
423 DECL_ABSTRACT on a function that already has it set.
425 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
426 (get_subprogram_die): Pass it in.
428 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
430 * flow.c (mark_set_1): Make not_dead unsigned long. For
431 non-pseudos, use it as a bitmask of the hard regs that
434 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
436 * cppfiles.c: Update comments.
437 (_cpp_read_file): Don't check for NULL filenames any more.
438 * cppinit.c (cpp_start_read): Don't do canonicalization of
439 in_fname and out_fname. Use the passed file name exclusively.
440 (_cpp_handle_options): Don't treat "-" as a command line option,
441 but as a normal filename.
442 (_cpp_post_options): Canonicalize in_fname and out_fname.
443 * cppmain.c (printer_init): Don't check out_fname for NULL.
444 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
445 (init_c_lex): Update, and use "" to represent stdin to CPP.
448 2001-02-20 Will Cohen <wcohen@redhat.com>
450 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
451 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
452 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
455 2001-02-20 Stan Shebs <shebs@apple.com>
457 * config/rs6000/rs6000.c (output_cbranch): Output branches
458 on separate lines instead of using ';' to separate.
460 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
462 * cppinit.c (set_lang): Move builtin handling to...
463 (init_builtins): ...here.
464 (_cpp_create_reader): Move call to set_lang.
466 2001-02-20 Mark Mitchell <mark@codesourcery.com>
468 * stmt.c (expand_return): If an attempt is made to return the
469 error_mar_node, treat the return like a return without a value.
471 2001-02-19 Zack Weinberg <zackw@stanford.edu>
473 * sibcall.c (skip_copy_to_return_value): Call
474 identify_call_return_value here, and return orig_insn if it
475 returns zero. Hardret and softret arguments now unnecessary.
476 (call_ends_block_p): Don't call identify_call_return_value here.
478 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
480 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
481 * ggc.h (ggc_mark_if_gcable): Delete prototype.
483 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
485 * pa.c (move_operand): Accept code to load the address of a
486 symbol out of the DLT as a valid move operand.
487 (print_operand, case 'A'): New to handle generating a DLT
488 reference for a LO_SUM expression.
489 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
490 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
492 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
494 * README, cpp.texi, gcc.texi, version.c: Update version number to
496 * cpp.1, gcov.1, gcc.1: Regenerate.
498 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
500 * cppfiles.c (stack_include_file): Generate dependencies
501 here, and manage include_count here too.
502 (PRINT_THIS_DEP): Delete.
503 (_cpp_execute_include): Do not generate dependencies here,
504 apart from the case of a missing header. Do not manage
506 (_cpp_read_file): Leave dependency generation to
509 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
511 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
512 target_cpu_default. Remove dead assignment to
515 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
517 * regclass.c (contains_reg_of_mode): Make global.
518 (init_reg_sets): Remove contains_reg_of_mode; take into account
519 CLASS_MAX_NREGS when looking for the proper mode.
520 (dump_regclass): Dump only classes considered for the pseudo.
521 (regclass): Use contains_reg_of_mode.
523 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
525 * gcc.c (do_spec_1): 'n' for printing notices.
526 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
528 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
530 * reg-stack.c (next_flags_user): Use current_block->end
531 (swap_rtx_condition): Look for next user if flags don't die;
532 give up on CALL_INSNs; use current_block->end.
534 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
536 * sibcall.c (call_ends_block_p): New function.
537 (optimize_sibling_and_tail_recursive_call): Use it.
539 2001-02-18 Kazu Hirata <kazu@hxi.com>
541 * config/h8300/h8300.md: Update copyright.
542 (andsi3): Do not output an extra newline character.
544 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
546 * toplev.c (note_deferral_of_defined_inlined_function): Argument
547 FNDECL may be unused.
549 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
550 follow jumps after first run.
551 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
552 it doesn't change any jumps.
554 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
556 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
557 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
558 (mostlyclean): Corresponding changes.
559 * rtlanal.c (hard-reg-set.h): Include.
560 (rtx_unstable_p): Do not treat the argument pointer specially
561 if it is not a fixed register.
562 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
564 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
566 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
567 against last real insn in basic block.
568 Rework to avoid gotos.
570 * Makefile.in (gcse.o): Now includes ggc.h.
571 * gcse.c: Include ggc.h.
572 (want_to_gcse_p): Verify expression can be in SET as valid insn.
573 (try_replace_reg): Remove warning of uninitialize variable.
574 (process_insert_insn): Call invalid_insn_p to validate insn.
575 * recog.c (insn_invalid_p): Now global.
576 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
577 * recog.h (insn_invalid_p): New declaration.
579 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
581 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
582 assignments from FP constants since 'Y' output code can't handle it.
583 (eligible_for_sibcall_delay): Likewise.
585 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
586 Call fancy_abort directly, passing args.
587 (print_rtl_and_abort): Now a macro, like fancy_abort.
589 * final.c (output_operand_lossage): Use internal_error, not error.
591 2001-02-18 Shane Nay <shane@agendacomputing.com>
593 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
594 structure shift insns.
596 2001-02-18 Mark Mitchell <mark@codesourcery.com>
598 * invoke.texi (-fsquangle): Remove documentation.
599 (-fname-mangling-version): Likewise.
601 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
603 * optabs.c (expand_abs): Remove reference to
604 HAVE_contitional_arithmetic.
605 * combine.c (simplify_set): Likewise.
607 2001-02-18 Richard Henderson <rth@redhat.com>
609 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
612 2001-02-18 Richard Henderson <rth@redhat.com>
614 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
616 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
618 * reload1.c (reload_cse_simplify_set): Fix typo.
620 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
622 * diagnostic.c (_fatal_insn): Decrement errorcount.
624 * invoke.texi (-I): Add note avoiding use for system header files.
626 * rtl.h (add_clobbers): Remove duplicate declaration.
627 * recog.h (added_clobbers_hard_reg_p): New declaration.
628 * genemit.c (struct clobber_pat): New field has_hard_reg.
629 (gen_insn): Record if added clobbers clobber hard reg.
630 (gen_split): Avoid unused warning if number of operands is 0.
631 (output_added_clobbers_hard_reg_p): New function.
634 2001-02-18 Alan Modra <alan@linuxcare.com.au>
636 * pa.c (hppa_expand_prologue): Simplify code storing return
637 pointer. For large (>=8k) frames with a post_store, adjust stack
638 pointer by 8k-64 first rather than by 64. When testing with
639 VAL_14_BITS_P, always use the actual value rather than the value
640 negated. Add blockage to prevent scheduling of spills before
641 stack frame has been created.
642 (hppa_expand_epilogue): Simplify code loading return pointer.
643 Allow a slightly larger range for merge_sp_adjust_with_load case.
644 When testing with VAL_14_BITS_P, always use the actual value.
646 * pa.c (pa_adjust_insn_length): Check that block move
647 pattern is a set before looking at operands.
649 2001-02-17 Mark Mitchell <mark@codesourcery.com>
651 * fold-const.c (fold_binary_op_with_conditional_arg): New
652 function, split out from ...
654 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
655 conditional arms that throw exceptions.
657 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
660 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
662 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
663 define HAVE_DECL_* to 1 to mask potential backup declarations.
664 * configure: Regenerated.
666 2001-02-17 Mark Mitchell <mark@codesourcery.com>
668 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
670 2001-02-17 Richard Henderson <rth@redhat.com>
672 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
673 when replacing a memory load with a register.
675 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
676 Jan Hubicka <jh@suse.cz>
678 * recog.c (validate_replace_src_1): New.
679 (validate_replace_src_data): Likewise.
680 (validate_replace_src): Use note_uses.
681 * rtl.h (note_uses): Declare.
682 * rtlanal.c (note_uses): New.
684 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
686 * reg-stack.c (stack_def): Make field reg unsigned.
687 (remove_regno_note): Unsignetize parameter.
689 2001-02-16 Jes Sorensen <jes@linuxcare.com>
691 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
692 shladd_operand() call.
694 2001-02-16 Bruce Korb <bkorb@gnu.org>
695 Rodney Brown <RodneyBrown@mynd.com>
697 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
698 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
700 * fixinc/fixincl.x: regen
702 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
704 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
706 (hash_scan_insn): Clean up calls to hash_scan_set.
707 (compute_kill_rd): REGNO now unsigned.
708 (try_replace_reg): Rework to use simplify_replace_rtx.
709 (cprop_jump, cprop_cc0_jump): Likewise.
710 (cprop_insn): Call find_reg_equal_equiv_note.
711 Reflect changes to cprop_jump and cprop_cc0_jump.
713 * recog.c (validate_replace_src): Replace in operands of
714 ZERO_EXTRACT in SET_DEST.
716 * cse.c (new_label_ref): New variable.
717 (insert): Set it instead of recorded_label_ref.
718 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
719 CODE_LABEL for this function, and not already in REG_LABEL note.
721 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
723 * resource.c (mark_referenced_resources): Fix typo in introductory
725 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
728 2001-02-16 Jason Merrill <jason@redhat.com>
730 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
732 (gen_subprogram_die): Don't abort on seeing a second definition if
733 the previous one was abstract. Don't replace an abstract instance
736 * dwarf2out.c (dwarf2out_abstract_function): Rename from
737 gen_abstract_function.
738 * dwarf2out.h: Declare it.
739 * toplev.c (note_outlining_of_inline_function): New fn.
740 * toplev.h: Declare it.
741 * integrate.c (output_inline_function): Call it.
742 * c-decl.c (duplicate_decls): Call it when redefining an extern
743 inline. Don't inline the new defn.
745 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
747 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
749 * .gdbinit: Rename to gdbinit.in.
750 * gdbinit.in: New file,
751 * configure.in: Generate .gdbinit from gdbinit.in.
752 * configure: Regenerated.
753 * Makefile.in (distclean): Always remove .gdbinit.
755 2001-02-16 Jakub Jelinek <jakub@redhat.com>
757 * objc/objc-act.c (start_class): Register implemented_classes with
760 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
762 * cppfiles.c (_cpp_make_system_header): Generate a file
765 2001-02-15 Jim Meyering <meyering@lucent.com>
767 * Makefile.in (install-common): Don't depend on installdirs here.
768 Instead, make each of the lang.install-common targets (e.g.,
769 c++.install-common in cp/Make-lang.in) depend on it.
770 (install-driver): Depend on installdirs.
772 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
774 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
776 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
779 2001-02-15 Mark Mitchell <mark@codesourcery.com>
781 * invoke.texi (--param): Document.
783 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
785 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
787 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
789 * i386.md (extendsfdf2_2): Fix constraints.
791 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
793 * i386.md (fop_df_3 splitter): Fix operand number.
795 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
797 * invoke.texi (-mreg-alloc): Nuke.
798 * i386.c (ix86_reg_alloc_order, regs_allocated,
799 order_regs_for_local_alloc): Nuke.
800 (override_options): Kill reg_alloc code.
801 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
802 (REG_ALLOC_ORDER): SSE goes before I387.
803 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
804 (ix86_reg_alloc_order): Likewise.
805 * i386-protos.h (ix86_reg_alloc_order): Kill.
807 2001-02-14 Richard Henderson <rth@redhat.com>
809 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
811 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
813 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
815 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
817 * i386-protos.h (ix86_memory_move_cost): Move offline.
818 * i386.c (ix86_register_move_cost): Compute properly cost of
819 SSE, MMX and i387 instructions.
820 (*_cost): Add costs of SSE/MMX moves.
821 (ix86_memory_move_cost): Move offline from ....; Likewise.
822 * i386.h (MEMORY_MOVE_COST): .... here;
823 (struct processor costs): Add new fields to represent costs
826 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
828 * regclass.c (init_reg_sets_1): Reinstall the optimization of
829 move_cost together with Matt Kraai's fix.
831 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
833 * Makefile.in (OBJS): Add params.o.
835 2001-02-14 Richard Henderson <rth@redhat.com>
836 DJ Delorie <dj@redhat.com>
838 * jump.c (jump_optimize_1): When we delete a conditional jump
839 preceeding a non-conditional jump to effectively the same place,
840 make sure that the combined jump skips any clobber insns between
843 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
845 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
847 2001-02-14 Mark Mitchell <mark@codesourcery.com>
849 * Makefile.in (toplev.o): Depend on params.h.
850 (intergate.o): Likewise.
851 (params.o): New target.
852 * flags.h (inline_max_insns): Remove.
853 * integrate.c: Include params.h.
854 Use MAX_INLINE_INSNS instead of inline_max_insns.
855 * params.c: New file.
856 * params.h: Likewise.
857 * params.def: Likewise.
858 * toplev.c: Include params.h.
859 (lang_independent_params): New variable.
860 (decode_f_option): Use the param machinery instead of setting
862 (independent_decode_option): Handle "--param name=value".
863 (main): Register language-independent parameters.
865 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
867 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
869 2001-02-14 Richard Henderson <rth@redhat.com>
871 * regclass.c (init_reg_sets_1): Revert last two changes.
873 2001-02-14 Jakub Jelinek <jakub@redhat.com>
875 * stor-layout.c (is_pending_size, put_pending_size): New functions.
876 (variable_size): Call put_pending_size.
877 * tree.h (is_pending_size, put_pending_size): Add prototypes.
878 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
879 sizes list, put newly created SAVE_EXPR there as well.
881 2001-02-14 Jakub Jelinek <jakub@redhat.com>
883 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
884 (errata_find_address_regs): load_group has only 2 entries.
885 (errata_emit_nops): Likewise. shladd is not problematic.
886 Clear last_group if nop was emitted.
887 (fixup_errata): load_group has only 2 entries.
890 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
892 * c-lex.c (lex_number): Only warn traditionally for U suffix
893 outside system macros.
894 * cppexp.c (parse_number): Similarly.
895 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
896 * cppmacro.c (struct cpp_macro): New member node.
897 (parse_args): Only warn about missing rest args if not
899 (funlike_invocation_p): Similarly for uninvoked funlike macros.
900 (cpp_sys_objmacro_p): New.
901 (_cpp_create_definition): Store the node with the macro defn.
902 Remember if the macro is defined in a system header.
904 2001-02-13 DJ Delorie <dj@redhat.com>
906 * configure.in (check_languages): determine languages to check
907 * Makefile.in (check-c++): alias for check-g++
908 (check-f77): alias for check-g77
909 (CHECK_TARGETS): depend on configured languages
911 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
913 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
914 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
915 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
916 (sqrtextendsfdf2): Disable for SSE2.
918 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
920 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
921 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
922 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
923 (sqrtextendsfdf2): Disable for SSE2.
925 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
927 * i386.md (movsfcc_1): Support integer cmove instruction.
928 (movdfcc_1): Likewise; new splitter.
930 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
932 * i386.c (output_fp_compare): Support SSE.
933 (prepare_fp_compare_args): SSE comparisons always support memory.
934 * i386.h (TARGET_CMOVE): SSE imply cmove.
935 * i386.md (cmp?f2): Enable for SSE too.
936 (cmpfp_i*): Support SSE.
938 (cmpfp_i_sse_only): New.
939 (s*, b* fp expanters): Enable for SSE too.
940 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
943 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
945 * regclass.c (init_reg_sets_1): Silence warning.
947 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
949 * i386.md (sqrt?f2): Change to expander.
950 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
952 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
954 * rtlanal.c (find_reg_equal_equiv_note): New function.
955 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
956 (simplify_gen_relational, simplify_replace_rtx): Likewise.
957 * rtl.h: Add declarations for above functions.
959 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
961 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
963 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
964 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
965 * flow.c (mark_regs_live_at_end): Likewise.
966 (calculate_global_regs_live): Likewise.
967 * gcse.c (compute_hash_table): Likewise.
968 (compute_kill_rd): Likewise.
969 * resource.c (mark_target_live_regs): Likewise.
970 * rtl.h (INVALID_REGNUM): New macro.
972 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
974 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
976 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
978 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
981 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
983 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
985 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
986 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
987 (fop_sf_1_sse, fop_df_1_sse): New patterns
988 (fop_*): Disable float_extend and float patterns for SSE compilation.
989 * i386.c (output_387_binary_op): Support SSE.
991 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
993 * i386.md (dummy_extendsfdf2): Support SSE2
994 (extendsfdf2): Enable if 80387 or SSE2.
995 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
997 (extendsfdf2_1_sse_only): New pattern.
998 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1000 (truncdfsf2_1): Support SSE.
1001 (truncdfsf2_2): Support SSE.
1002 (truncdfsf2_2_1_sse): New pattern.
1003 (fixtruncsfsi2): Always use SSE if available.
1004 (fix_truncsfsi_sse): New pattern.
1005 (fix_truncdfsi_sse): New pattern.
1006 (floatsis?f2): Support SSE.
1007 (floatsidf2_i387): New pattern.
1008 (floatsidf2_sse): Likewise.
1010 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1012 * configure.in: Use "have_gnat" variable, not "gnat".
1013 * configure: Regenerated.
1015 * config/sparc/sparc.c (function_value): Treat all non-record
1016 aggregate types like used to treat UNION_TYPE.
1018 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1020 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1021 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1023 (MASK_MIX_SSE_I387): New.
1024 (TARGET_SSE): SSE2 imply SSE.
1025 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1026 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1027 (enum reg_class): Add new classes.
1028 (REG_CLASS_NAMES): Likewise.
1029 (REG_CLASS_CONTENTS): Likewise.
1030 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1031 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1032 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1033 (CLASS_MAX_NREGS): Use new macros.
1034 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1035 * i386.md (pushsf, movsf): Support SSE.
1036 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1037 splitters to use ANY_FP_REGNO_P.
1038 (movdf_nointeger, movdf_integer): Likewise.
1040 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1042 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1043 (try_combine): Use it.
1045 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1047 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1048 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1049 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1050 (REGISTER_MOVE_COST): Likewise.
1051 * i386-protos.h (ix86_secondary_memory_needed,
1052 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1053 * i386.c (ix86_secondary_memory_needed,
1054 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1056 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1058 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1059 (HARD_REGNO_MODE_OK): Move offline to ....
1060 * i386.c (ix86_hard_regno_mode_ok) ... here;
1061 refuse all incorrect modes.
1062 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1064 2001-02-13 Richard Henderson <rth@redhat.com>
1066 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1067 entire operator; replicate that and match_dup the operands.
1068 (cmp_ccx_arith_op_set): Likewise.
1069 (cmp_cc_arith_op_not_set): Likewise.
1070 (cmp_ccx_arith_op_not_set): Likewise.
1072 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1074 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1076 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1078 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1079 (TARGET_NO_BITFIELD_WORD): New macro.
1080 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1081 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1083 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1085 * cselib.c: New file, from simplify-rtx.c.
1086 * simplify-rtx.c: Remove cselib parts.
1087 * Makefile.in: Add cselib.o.
1089 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1091 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1092 (setup_incoming_varargs): Remove warning.
1094 * config/rs6000/rs6000.c (validate_condition_mode): When
1095 flag_fast_math, allow floating-point conditionals to be reversed.
1096 (rs6000_generate_compare): When flag_fast_math, don't generate
1097 cror operations for FP conditionals.
1099 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1101 (ASM_SPEC): Likewise.
1102 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1103 (CC1_SPEC): Likewise.
1104 (LINK_TARGET_SPEC): Likewise.
1105 (CPP_ENDIAN_SPEC): Likewise.
1106 * Makefile.in (check-consistency): New target.
1108 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1110 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1111 "return type defaults" warning for functions with return type
1113 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1114 function declarations by default rather than only when pedantic.
1116 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1118 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1121 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1123 * extend.texi (Deprecated): Deprecate new initializer lists.
1125 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1127 * mkdeps.c (deps_add_default_target): Robustify. Add
1128 basename component only.
1129 * cpp.texi (-M): Describe how default target is generated.
1130 * invoke.texi (-M): Likewise.
1132 2001-02-12 Kazu Hirata <kazu@hxi.com>
1134 * toplev.c (push_float_handler): Remove.
1135 (pop_float_handler): Remove.
1136 * toplev.h: Remove prototypes for the above functions.
1138 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1140 * c-common.c (constant_fits_type_p): New function.
1141 (convert_and_check): Use it.
1143 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1145 * Makefile.in (GXX_ABI_FLAG): Don't define.
1146 * configure.in (--enable-new-gxx-abi): Remove option.
1147 * config.in: Regenerated.
1148 * configure: Likewise.
1150 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1152 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1154 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1155 regular basic block, and arrange for all edges into it to switch
1158 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1160 * Makefile.in (distclean): Do not remove .gdbinit.
1162 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1164 * Makefile.in (gcc.o): Fix typos.
1165 (protize.o): Likewise.
1166 (unprotoize.o): Likewise.
1168 2001-02-11 Richard Henderson <rth@redhat.com>
1170 * tree.c (build1): Check for null operand in last change.
1172 2001-02-11 Richard Henderson <rth@redhat.com>
1174 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1175 (fold): Don't assume a constant isn't foldable.
1176 * tree.c (build): Set TREE_CONSTANT for an expression with no
1177 side-effects and constant operands.
1180 2001-02-10 Richard Henderson <rth@redhat.com>
1182 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1184 2001-02-10 Anthony Green <green@redhat.com>
1186 * cpp.texi (Standard Predefined): Add documentation for
1189 * c-common.c (combine_strings): Improve warning message.
1191 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1193 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1195 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1197 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1199 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1202 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1204 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1207 2001-02-09 Nick Clifton <nickc@redhat.com>
1209 * config/arm/arm.md: Change output contraint on post inc
1210 load/store multiple patterns to be a read/write contraint.
1212 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1214 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1215 .o files when using the -M options.
1217 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1218 David Edelsohn <edelsohn@gnu.org>
1220 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1221 handle DImode constants. Use one TOC entry for SImode and smaller
1222 constants, aligned properly.
1224 2001-02-08 Jason Merrill <jason@redhat.com>
1226 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1227 about the SP adjustment for saving the static chain pointer.
1228 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1229 offset when setting a temporary CFA register.
1231 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1233 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1234 powerpc-*-chorusos* .
1235 * config/rs6000/chorus.h : New file.
1236 * config/i386/chorus.h : New file.
1237 * config/sparc/chorus.h : New file.
1238 * config/sparc/t-chorus-elf : New file.
1240 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1242 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1243 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1244 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1245 (__WCHAR_TYPE__): Correct macro name.
1247 2001-02-08 Richard Henderson <rth@redhat.com>
1249 * config/i386/i386.c (ix86_frame_pointer_required): New.
1250 (ix86_setup_frame_addresses): New.
1251 (struct machine_funciton): Add accesses_prev_frame.
1252 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1253 ix86_frame_pointer_required.
1254 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1255 (SETUP_FRAME_ADDRESSES): New.
1256 * config/i386/i386-protos.h: Update.
1257 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1258 from FRAME_POINTER_REQUIRED.
1259 * config/i386/svr3gas.h: Likewise.
1260 * config/i386/sysv3.h: Likewise.
1261 * config/i386/v3gas.h: Likewise.
1263 2001-02-08 Richard Henderson <rth@redhat.com>
1265 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1266 calculation of the number of integer registers required.
1267 (function_arg_record_value): Likewise.
1269 2001-02-08 Jason Merrill <jason@redhat.com>
1271 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1272 two. Print file and line with "confused" message.
1274 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1276 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1278 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1280 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1282 * final.c (cleanup_subreg_operands): The address of a MEM can
1285 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1288 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1290 * gcc.texi (Incompatibilities): Update documentation of
1291 preprocessing numbers.
1293 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1295 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1297 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1299 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1301 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1302 * gcc.c (struct compiler): Add cpp_spec field.
1303 (input_file_compiler): New variable.
1304 (do_spec_1): Allow a particular compiler to handle `%C'
1306 (main): Store the current compiler in input_file_compiler.
1307 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1309 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1311 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1312 * cppinit.c (cpp_create_reader): Initialize them.
1313 (append_include_chain): cxx_aware arg might be unused.
1314 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1315 keywords and give them their phase 7 meaning. Pedwarn about
1316 this unless '__bool_true_false_are_defined' is defined.
1318 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1320 * lcm.c (optimize_mode_switching): Emit mode_set before the
1321 JUMP_INSN of an abnormal edge.
1323 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1325 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1326 a scheduling barrier at the end.
1328 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1330 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1332 * config/sh/sh.md (reload_outsf): Removed.
1333 (movsf_ie): Introduce constraints for FPUL loads and stores.
1334 (reload_insf): Broaden the output constraint.
1336 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1338 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1339 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1341 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1343 * final.c: Revert my previous changes.
1344 * output.h: Make profile_label_no extern.
1345 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1346 for generating label.
1348 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1350 * config/i386/djgpp.h: Add comments about standard paths.
1351 (MD_EXEC_PREFIX): Undefine before defining.
1352 (MD_STARTFILE_PREFIX): New.
1354 2001-01-30 Bruce Korb <bkorb@gnu.org>
1356 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1357 (load_file): do not rely on load_file_data() to close file pointer
1358 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1359 fixinc/inclhack.def(irix_limits_const): add test_text
1361 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1363 * cppexp.c (parse_defined): Improve diagnostics for invalid
1366 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1368 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1370 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1372 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1373 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1374 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1375 (rs6000_output_symbol_ref): New function.
1376 (output_toc): Use VTABLE_NAME_P.
1378 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1380 * print-tree.c (print_node, case PARM_DECL):
1381 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1383 * stor-layout.c (reference_types_internal): New variable.
1384 (internal_reference_types): New function.
1385 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1386 * tree.h (internal_reference_types): New declaration.
1388 * cse.c (find_best_addr): Fix typo in computing cost.
1390 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1392 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1393 and this is the sum of a pointer and a constant, we know the result
1395 (num_sign_bit_copies, case PLUS): Likewise.
1396 * explow.c (convert_memory_address): Remove opposite SUBREG.
1397 * function.c (instantiate_new_reg): New function (from common code).
1398 (instantiate_virtual_regs_1): Call it.
1399 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1400 if pointers sign- or zero-extend.
1401 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1402 If pointers extend unsigned, use inside of SUBREG.
1403 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1405 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1407 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1408 subdir of gcc_gxx_include_dir.
1409 (gcc_gxx_target_include_dir): Remove.
1411 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1413 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1414 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1415 a high-level description.
1417 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1419 * final.c: Move the declaration of profile_label_no to ...
1420 * output.h: ... here.
1421 * function.c (expand_function_start): Call PROFILE_HOOK.
1422 * config/rs6000/aix.h: Define PROFILE_HOOK.
1423 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1424 * config/rs6000/rs6000.c (output_profile_hook): Define.
1425 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1426 output_profile_hook.
1427 tm.texi : Explain new macro PROFILE_HOOK.
1429 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1431 * extend.texi (Extended Asm): Do not say that semicolon is always
1432 a valid line-breaking character for GNU assemblers. Use
1433 newline-tab as the most commonly supported syntax. Use
1434 newline-tab rather than semicolon in multi-insn examples.
1436 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1438 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1440 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1441 David Edelsohn <edelsohn@gnu.org>
1443 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1444 code for AIX, even without flag_pic.
1446 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1448 * c-typeck.c (common_type): push and pop binding level around
1449 calling common_type on function parameters.
1451 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1453 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1455 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1457 * config/mips/mips.c (override_options): Fix typo in last change.
1458 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1459 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1461 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1463 * invoke.texi (-fdump-class-layout): Document.
1464 (-fdump-translation-unit): Use `=' as filename separator.
1466 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1468 * Makefile.in (s-mlib): Don't build multilibs if
1470 (DRIVER_DEFINES): Adjust accordingly.
1472 (protoize.o): Likewise.
1473 (unprotoize.o): Likewise.
1474 * configure.in: Recognize --enable-multilib.
1476 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1478 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1480 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1481 * configure.in: Remove --enable-libstdcxx_v3 support.
1482 * configure: Regenerated.
1484 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1486 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1487 Call abort instead of fatal.
1488 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1489 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1490 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1491 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1492 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1493 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1495 * diagnostic.h (set_internal_error_function): Renamed.
1496 * toplev.h (internal_error): Renamed from fatal.
1497 (pfatal_with_name): Deleted.
1498 (fatal_io_error): Now has printf-style arguments.
1499 * diagnostic.c (pfatal_with_name): Deleted.
1500 (fatal_io_error): Rework to have args in printf-style.
1501 (set_internal_error_function): Renamed from set_fatal_function.
1502 (internal_error): Renamed from fatal.
1503 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1504 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1505 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1506 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1507 * flow.c (verify_flow_info): Likewise.
1508 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1509 * config/mips/mips.c (save_restore_insns): Likewise.
1511 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1512 * flow.c (verify_flow_info): Likewise.
1513 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1514 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1515 (avr_normalize_condition): Likewise.
1516 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1517 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1518 (limit_reload_class, double_reg_to_memory): Likewise.
1519 (print_operand_address, emit_1600_code_shift): Likewise.
1520 (gen_tst_reg, gen_compare_reg): Likewise.
1521 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1522 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1524 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1526 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1527 * objc/objc-act.c (build_ivar_chain): Likewise.
1528 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1530 * graph.c (clean_graph_dump_file): Likewise.
1531 * profile.c (init_branch_prob): Likewise.
1532 * objc/objc-act.c (objc_init): Likewise.
1534 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1535 * config/avr/avr.c (avr_override_options): Likewise.
1536 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1537 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1538 * config/h8300/h8300.c (h8300_init_once): Likewise.
1539 * config/mips/mips.c (override_options): Likewise.
1540 * config/i386/i386.c (override_options): Likewise, rework.
1541 * config/m68k/m68k.c (override_options): Likewise.
1543 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1545 * config/mips/mips.c (print_operand): Likewise.
1546 * hash.c (hash_allocate): Don't check for failure returns from
1547 obstack functions that can't fail.
1548 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1549 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1550 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1551 (get_object_reference): Likewise.
1553 2001-02-04 Nick Clifton <nickc@redhat.com>
1555 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1556 StrongARM1110, 10TDMI, and 1020T.
1558 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1560 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1562 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1564 * config/sh/sh.md (movdf load split): Pass register number to
1565 FP_OR_XD_REGISTER_P.
1567 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1569 * cppinit.c (BC): New macro.
1570 (builtin_array): Add __GXX_WEAK__.
1571 * cpplib.h (builtin_type): Add BT_WEAK.
1572 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1573 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1574 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1576 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1578 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1580 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1582 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1583 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1585 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1587 * cpphash.h: Rename ALIGN _ALIGN.
1588 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1590 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1592 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1593 compilation environment.
1594 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1595 control over location of cygwin includes and libs.
1597 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1599 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1601 2001-02-02 lars brinkhoff <lars@nocrew.org>
1603 * md.texi (Standard Names): remove reference to spur.md.
1605 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1607 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1608 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1609 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1610 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1611 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1613 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1615 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1616 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1617 number before reload.
1618 (c4x_adjust_cost): Return zero before reload.
1619 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1620 split before reload.
1622 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1624 * c4x.c (c4x_hard_regno_rename_ok): New.
1625 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1626 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1628 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1630 * diagnostic.h: Add missing "extern" in all declarations.
1632 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1634 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1635 as for gcc_gxx_include_dir.
1637 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1639 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1641 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1643 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1644 label before alignment to be used as the braf base address.
1645 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1647 (casesi_jump_2): Require at least TARGET_SH2.
1649 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1650 truncation to 32-bit doubles on -m3e and -m4-single-only.
1652 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1654 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1655 the default when building a shared object.
1656 (init_spec): Use it.
1657 * testsuite/lib/g++.exp: Include the directory where libgcc
1658 is located to the LD_LIBRARY_PATH list.
1659 * invoke.texi (-shared-libgcc): Document the cases in which
1660 GCC defaults to using the shared libgcc.
1662 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1664 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1665 unsigned is wide enough.
1667 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1668 (si_to_float): Likewise.
1669 (float_to_si, float_to_usi): Use BITS_PER_SI.
1671 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1673 * dwarf2out.c: Added explanation of abbreviations.
1674 (def_cfa_1): Added comments listing DWARF2 instructions.
1675 (cfa_temp_reg): Removed in favor of cfa_temp.
1676 (cfa_temp_value): Removed in favor of cfa_temp.
1677 (cfa_temp): New global variable.
1678 (dwarf2out_frame_debug_expr): Added extensive introductory
1679 comments explaining the function's transformations. Revised to
1680 use cfa_temp. Added some rtx checking. Generalize IOR case.
1681 (dwarf2out_frame_debug): Revised to use cfa_temp.
1682 (output_aranges): Cast as "unsigned" to avoid warning.
1683 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1684 explain which instructions must be marked.
1686 2001-02-01 Richard Henderson <rth@redhat.com>
1688 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1691 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1693 * config/sh/crt1.asm (main_k): Modified so that start calls
1694 ___setup_argv_and_call_main.
1696 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1698 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1699 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1700 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1701 * cppmacro.c (builtin_macro): Set builtin flags here.
1702 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1703 (replace_args): Clarify intent.
1704 (cpp_get_token): Macro expansion tokens get the saved flags.
1706 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1709 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1711 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1714 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1716 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1717 returns Pmode pseudo, but we need ptr_mode.
1718 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1719 Remove bogus conversions; use HOST_WIDE_INT for size.
1720 Don't use TARGET if wrong mode.
1722 * config/i386/i386.c (ix86_compute_frame_size): Allow
1723 stack_alignment_needed to be non-default even if size is zero.
1725 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1727 * (hppa_init_pic_save): Emit the pic offset table
1728 reg save after last_parm_insn.
1729 * pa.c (hppa_init_pic_save): New function.
1730 * pa.h (hppa_init_pic_save): Declare.
1731 * pa.md (call, call_value, sibcall, sibcall_value): Use
1732 the above instead of duplicated code.
1734 * pa.c (hppa_encode_label): Correct size of alloca buffer
1735 so we don't overrun it. Correct leading `*' case.
1736 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1737 need to handle `*@'.
1738 (FUNCTION_NAME_P): Likewise.
1740 2001-01-31 Richard Henderson <rth@redhat.com>
1742 * config.gcc (alpha-osf5): Use float-i128.h.
1744 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1745 * config/float-i32.h: Likewise.
1746 * config/float-i64.h: Likewise.
1747 * config/float-sh.h: Likewise.
1748 * config/float-sparc.h: Likewise.
1750 2001-01-31 DJ Delorie <dj@redhat.com>
1752 * expmed.c (extract_bit_field): allow non-integral modes if we
1753 want to extract a whole register from itself.
1755 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1757 * c-typeck.c (set_init_index): If first is equal to last, assume as
1758 if it was not a range at all.
1760 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1762 * config/fp-bit.c: Include tm.h.
1763 (float_to_si): Don't assume SImode is 32-bits wide.
1764 (float_to_usi): Likewise.
1766 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1768 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1770 (typename): Call pending_xref_error after parsing typed_typespecs.
1771 * c-decl.c (lookup_tag): Give error immediately rather than
1772 leaving it pending if the tag of the wrong type is in the same
1774 (xref_tag): Don't pedwarn for forward declarations of enum types
1776 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1779 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1781 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1783 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1785 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1786 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1788 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1790 * cpphash.h (struct cpp_reader): New saved_flags.
1791 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1792 to avoid a paste after a pasted token.
1794 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1796 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1797 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1798 Wtype_MIN instead of LONG_MIN.
1800 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1802 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1804 * fixinc/fixincl.x: Regenerated.
1805 * fixinc/inclhack.def (irix_limits_const): New definition to
1806 convert "const" to "__const" in limits.h.
1808 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1810 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1812 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1814 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1815 when register dies in the insn.
1817 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1819 * diagnostic.c (fatal): Fix word wrap.
1821 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1823 * combine.c (try_combine): Fix SUBREG setting for
1824 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1826 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1828 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1831 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1833 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1835 * toplev.c (decode_W_option): Update warn_larger_than
1836 unconditionally for each processed switch.
1838 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1840 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1842 (hppa_expand_prologue): Delete code to save pic offset table register
1843 in the function prologue.
1844 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1845 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1846 table register at the beginning of the function after the prologue.
1848 2001-01-29 lars brinkhoff <lars@nocrew.org>
1850 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1852 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1853 Jeff Law <law@redhat.com>
1855 * pa.md (return): Revise comment for trivial return.
1856 (return_internal): Non-trivial return pattern for non-PIC code.
1857 (return_internal_pic): Non-trivial return pattern for PIC code.
1858 It uses the PIC register to ensure it is restored after
1860 (epilogue): Generate appropriate return for PIC and non-PIC code.
1862 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1864 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1866 2001-01-29 DJ Delorie <dj@redhat.com>
1868 * combine.c (if_then_else_cond): Pass the correct mode to
1869 operand_subword() for constants.
1871 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1873 * config/i386/cygwin.h: Add w32api to include search. Search different
1874 directories in a cross-build environment.
1876 2001-11-29 Tim Josling <tej@melbpc.org.au>
1878 * tree.h (TYPE_STUB_DECL): Add documentation.
1880 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1882 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1883 (sdbout_field_types): Likwise. Fix use of host_integerp.
1885 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1887 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1890 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1892 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1893 to use flag_gnu_linker.
1895 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1897 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1898 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1900 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1902 * tree.c, tree.h (build_parse_node): Remove; was identical to
1904 * c-lang.c (start_cdtor), objc/objc-act.c
1905 (build_module_descriptor): Use build_nt instead of
1908 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1910 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1911 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1912 not have any upper bits set.
1914 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1916 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1918 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1920 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1922 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1924 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1925 (integer_minus_one_node): Define.
1927 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1929 * Makefile.in (bootstrap2-lean): Fix typo.
1931 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1933 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1934 : Don't set fe_value.
1935 * cpplib.h (AVOID_LPASTE): New flag.
1936 (struct cpp_hashnode): Remove fe_value.
1937 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1938 * cppmacro.c (builtin_macro): Don't set flags here.
1939 (replace_args): Set AVOID_LPASTE flag on first token of an
1940 argument, and the token following it.
1941 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1942 macro expansion, and on the token following it. Do it for
1944 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1946 2001-01-27 Richard Henderson <rth@redhat.com>
1948 * config/alpha/t-ieee: Remove multilibbing.
1949 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1951 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1953 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1955 * Makefile.in: Remove all dependencies on defaults.h.
1956 * builtins.c: Don't include defaults.h.
1957 * c-common.c: Likewise.
1958 * c-decl.c: Likewise.
1959 * c-pragma.c: Likewise.
1960 * c-typeck.c: Likewise.
1961 * combine.c: Likewise.
1963 * frame-ia64.c: Likewise.
1964 * cppexp.c: Likewise.
1965 * crtstuff.c: Likewise.
1966 * dbxout.c: Likewise.
1967 * dwarf2out.c: Likewise.
1968 * dwarfout.c: Likewise.
1969 * emit-rtl.c: Likewise.
1970 * except.c: Likewise.
1972 * final.c: Likewise.
1973 * frame-dwarf2.c: Likewise.
1974 * libgcc2.c: Likewise.
1975 * optabs.c: Likewise.
1976 * profile.c: Likewise.
1977 * sdbout.c: Likewise.
1978 * toplev.c: Likewise.
1979 * tradcif.y: Likewise.
1981 * varasm.c: Likewise.
1983 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1985 * builtins.c (expand_builtin_fputs): Use size_one_node when
1986 transforming into fwrite.
1988 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1990 * extend.texi (Attribute Syntax): New section.
1992 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1994 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1995 they didn't need fixing.
1997 2001-01-27 Janis Johnson <janis@us.ibm.com>
1999 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2001 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2002 to remove macro definitions that are duplicated from elfos.h.
2004 2001-01-27 Richard Henderson <rth@redhat.com>
2006 * config/i386/sco5gas.h: Move ...
2007 * config/usegas.h: ... here.
2008 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2010 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2012 * c-typeck.c (struct constructor_stack): Add range_stack member.
2013 (really_start_incremental_init): Clear it.
2014 (push_init_level): Save constructor_range_stack and clear it if
2015 pushing explicit braces.
2016 (pop_init_level): abort if constructor_range_stack is non-zero at
2017 explicit closing brace. Restore saved constructor_range_stack if
2020 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2022 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2023 into register was forced into memory.
2025 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2027 * Makefile.in: Remove uses of + before $(MAKE).
2029 2001-01-26 Richard Henderson <rth@redhat.com>
2031 * stmt.c (cost_table): Remove.
2032 (COST_TABLE, cost_table_initialized): New.
2033 (estimate_case_costs): Use the later instead of the former.
2034 (balance_case_nodes): Likewise.
2036 2001-01-26 Richard Henderson <rth@redhat.com>
2038 * alias.c (objects_must_conflict_p): Read-only slots may not
2039 conflict despite having the same type.
2041 2001-01-27 Michael Hayes <mhayes@redhat.com>
2043 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2045 (check_ext_dependant_givs): Initialise u_start_val and
2047 (load_mems): Make last_max_reg unsigned.
2048 (try_swap_copy_prop): Use INSN_P and initialise set.
2050 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2052 * README.AVR : Removed.
2054 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2056 * pa-64.h (text_section): Remove declaration.
2058 * pa.md (return_internal): Remove mode on PIC register use.
2060 2001-01-25 lars brinkhoff <lars@nocrew.org>
2062 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2063 ASM_CLOSE_PAREN): fix typos.
2065 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2067 * acconfig.h: Define `const' to the empty string if neither
2068 __STDC__ nor __cplusplus is defined.
2069 * config.in: Regenerated.
2071 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2073 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2074 * collect2.c (main): Delete importf. Add ".obj" file extension.
2075 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2076 (aix_std_libs): Add additional AIX libraries to skip.
2077 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2078 * config/rs6000/aix51.h: New file.
2080 2001-01-25 Michael Hayes <mhayes@redhat.com>
2082 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2083 (loop_insn_emit_before): No longer static.
2084 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2085 (loop_givs_rescan, load_mems): Likewise.
2086 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2087 (maybe_eliminate_biv_1):
2088 (move_movables): Replace emit_call_insn_before with
2089 loop_call_insn_hoist.
2090 * loop.h (loop_insn_emit_before): Add.
2091 * unroll.c (copy_loop_body): Replace emit_insn_before with
2092 loop_insn_emit_before.
2094 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2096 * diagnostic.c (fatal): Request preprocessed source.
2098 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2100 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2101 olddecl has argument types and newdecl has none, use the argument
2104 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2106 * dwarf2out.c (prefix_of): New function. Determine longest common
2107 prefix of the two arguments. The units are whole path components.
2108 (output_file_names): When adding a new directory find the one entry
2109 with the longest common prefix already in the list. Artificially
2110 generate entry if there is none for this prefix.
2111 Fix test to check whether the zeroth directory entry is used.
2113 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2115 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2116 Changed all callers. Take it into account when deciding if a
2117 previously loaded value matches.
2119 2001-01-24 Richard Henderson <rth@redhat.com>
2121 * reload.c (find_reloads_subreg_address): Fail the substitution
2122 if the resulting address is insufficiently aligned.
2124 2001-01-24 DJ Delorie <dj@redhat.com>
2126 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2127 check the original operand's mode also.
2128 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2130 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2132 * c-parse.in (cast_expr): Move compound literals from here ...
2133 (primary): ... to here. Use standard terminology "compound
2134 literal" instead of "constructor expression".
2136 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2138 * gcc.1, cpp.1: Regenerate.
2140 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2142 * calls.c (emit_library_call_value_1): Memory slot for
2143 pass-by-reference argument should have the mode of the argument,
2144 not of the pointer to it.
2146 2001-01-24 Tom Tromey <tromey@redhat.com>
2148 * gcc.texi (G++ and GCC): Mention gcj manual.
2149 (Standards): Link to section of manual mentioning gcj/Java
2152 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2154 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2155 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2156 * tradcpp.c (main): Add -imacros or -include'd dependencies
2158 * cpp.texi (-M, -MM): Document -M -include behaviour.
2160 2001-01-24 Roger Collins <roger@ProProject.com>
2162 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2164 2001-01-24 Will Cohen <wcohen@redhat.com>
2166 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2167 whether registers are 32 bits or 64 bits in size.
2169 2001-01-24 Ben Elliston <bje@redhat.com>
2171 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2173 2001-01-24 Richard Henderson <rth@redhat.com>
2175 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2176 (builtin_longjmp): Use it instead of emit_indirect_jump.
2178 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2180 * bb-reorder.c (make_reorder_chain_1): Handle case where
2181 jump edge goes to the same block as the fallthru edge.
2183 2001-01-23 Jim Wilson <wilson@redhat.com>
2185 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2186 * frame.h (__ia64_personality_v1): Add prototype.
2187 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2188 prototype form. Add void * cast to first argument to personality
2190 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2191 (asctoe113): Likewise.
2192 * config/ia64/frame-ia64.c: Include eh-common.h.
2193 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2195 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2197 (itanium_split_issue): Add prototype.
2198 (gen_nop_type): Ifdef out.
2199 (find_best_packet): Initialize best_packet.
2200 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2202 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2203 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2204 (flushrs): Add explicit stop bit at end.
2205 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2208 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2210 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2212 * libgcc2.c (__terminate_func): Make variable static.
2213 (__terminate_set_func): New function to set __terminate_func.
2214 * libgcc2.h (__terminate_func_ptr): New typedef.
2215 (__terminate_set_func): New function.
2217 2001-01-23 Richard Henderson <rth@redhat.com>
2219 * flow.c (init_propagate_block_info): Don't consider unchanging
2220 memories for dead frame store elimination.
2222 2001-01-23 Richard Henderson <rth@redhat.com>
2224 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2225 * defaults.h: ... here.
2227 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2229 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2231 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2233 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2235 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2237 * rs6000.h (rs6000_return_addr): Move prototype from here...
2238 * rs6000-protos.h (rs6000_return_addr): ...to here.
2239 (rs6000_init_expanders): Delete prototype.
2241 2001-01-23 Nick Clifton <nickc@redhat.com>
2243 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2244 (Spec Files): Document %B and %j and %. and %v3 and %M and
2245 %{S*&T} spec switches.
2247 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2249 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2251 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2252 Neil Booth <neil@daikokuya.demon.co.uk>
2254 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2255 Have -Werror make pedantic warnings errors, like the
2258 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2260 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2262 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2264 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2265 * integrate.c (expand_inline_function): Initialize them.
2266 (subst_constants): If changing COMPARE so that both its arguments
2267 will be VOIDmode and the comparison mode will be lost, note
2268 compare_mode. Use the recorded compare_mode to optimize
2271 2001-01-23 Jason Merrill <jason@redhat.com>
2273 * dwarf2out.c (new_die): Use xcalloc.
2274 (output_die): Abort rather than emit a local reference to offset 0.
2276 2001-01-17 Andrew Haley <aph@redhat.com>
2278 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2279 of a saved register; return NULL instead.
2280 (copy_reg): Take a pointer to a source register rather than a
2282 (next_stack_level): Remember the address in the stack frame of all
2284 Use the saved register pointer array as the source of the CFA.
2285 (throw_helper): Rewrite. Unwind once rather than twice and keep
2286 track of saved registers as we go.
2288 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2290 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2291 * c4x.c (c4x_legitimize_reload_address): Remove.
2292 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2293 reload address for ldp(k) insn.
2295 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2297 * pa.md (return_internal): Add a USE of the PIC register to ensure
2298 it is restored after each call.
2299 (return expander): Corresponding changes.
2301 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2303 * rs6000.h (INIT_EXPANDERS): Delete.
2304 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2305 * rs6000.c (rs6000_override_options): Call *_machine_status from
2307 (rs6000_init_expanders): ...instead of here. Delete.
2308 (rs6000_mark_machine_status): New function.
2309 (rs6000_init_machine_status): Use xcalloc.
2310 (rs6000_return_addr): Generate RTX for the return address.
2311 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2312 (rs6000_stack_info): Use it.
2314 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2316 * gthr-win32.h: Include errno.h to get a declaration for
2317 EINVAL and _mingw.h if the target is mingw32.
2319 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2321 * cpp.texi: Correct typos.
2323 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2325 * explow.c (probe_stack_range): Ensure value passed to
2326 stack_check_libfunc is ptr_mode, not Pmode.
2328 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2330 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2331 case, don't use operand_subword to calculate a SUBREG that is
2334 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2336 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2338 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2339 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2340 valid. If not replace it by equivalent insns.
2342 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2344 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2345 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2346 (c4x_U_constraint, symbolic_address_operand): Likewise.
2347 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2349 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2350 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2351 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2352 anulling slot because of silicon bug.
2353 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2355 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2357 * cppexp.c (parse_charconst): Change `mask' type to agree
2360 2001-01-21 Richard Henderson <rth@redhat.com>
2362 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2363 pic_label_name in a linkonce section.
2365 2001-01-17 Philipp Thomas <pthomas@suse.de>
2367 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2369 * configure: Regenerate.
2371 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2373 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2374 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2376 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2378 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2379 If REVERSE nonzero then condition code in X must be reversed.
2380 (encode_section_info): Optimise if/else.
2381 (avr_function_value): Fix formatting.
2383 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2384 (difficult_branch): Likewise.
2385 (rvbranch): Likewise.
2386 (difficult_rvbranch): Likewise.
2388 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2390 * config/avr/libgcc.S: Fix comment.
2392 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2394 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2396 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2398 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2400 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2402 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2403 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2404 * configure, config.in: Regenerate.
2405 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2406 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2407 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2408 (doprint.o): New rule.
2410 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2412 * c-typeck.c (digest_init): Handle boolean types as scalars.
2414 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2416 * stmt.c (expand_return): Don't return anything if size is zero.
2417 Delete redundant assignment to BYTES.
2418 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2420 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2422 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2423 the same as the default library function names.
2424 * config/avr/avr.md: Document special characters after '%'.
2425 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2426 knowing which of the call-used registers are really clobbered.
2427 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2428 New. Both quotient and remainder from one libgcc.S call.
2429 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2430 clobber as few registers as possible.
2431 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2433 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2435 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2436 context of the top of the stack.
2438 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2440 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2441 (fixup_var_refs_insns): ...here.
2443 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2445 * function.c (fixup_var_refs_insns): Break up into
2446 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2447 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2448 [loop over hash table entries].
2449 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2450 fixup_var_refs_insns_with_hash, to match above changes.
2452 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2454 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2455 (libgcc.a): Likewise.
2456 (stmp-multilib): Likewise.
2457 (STAGE2_FLAGS_TO_PASS): Likewise.
2459 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2461 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2462 temporary if no_new_pseudos.
2464 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2466 * cppinternals.texi: Update.
2468 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2470 * arm.c (arm_init_builtins): Re-enable builtins.
2472 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2474 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2475 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2476 element to be null, and always expect an EXPR_LIST.
2477 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2478 * sched-deps.c (sched_analyze_1): Likewise.
2479 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2481 * regclass.c (max_set_parallel): New variable.
2482 (reg_scan): Take it into account in computation of max_parallel.
2483 (reg_scan_mark_refs, case SET): Compute it.
2485 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2487 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2488 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2490 2001-01-19 Jason Merrill <jason@redhat.com>
2492 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2493 for the abstract instance of an inline function.
2495 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2496 J"orn Rennecke <amylaar@redhat.com>
2498 * reload1.c (move2add_note_store): Treat all registers directly or
2499 indirectly derived from a base register as members of the same set
2501 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2502 of base register into account.
2504 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2506 * alias.c (find_base_value): Recognize TRUNCATE.
2507 (record_set): In PLUS case, invalidate if other summand is also a
2510 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2512 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2513 entry to be EXPR_LIST.
2514 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2515 be an EXPR_LIST (but not null, which other code doesn't allow).
2516 (note_stores): Properly handle PARALLEL in SET.
2517 Recursively call for top-level PARALLEL.
2518 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2519 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2521 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2523 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2525 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2526 not pfile->skipping (== 0).
2528 2001-01-17 Nick Clifton <nickc@redhat.com>
2530 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2533 2001-01-17 Jim Wilson <wilson@redhat.com>
2535 * invoke.texi (IA-64 options): Improve.
2537 2001-01-17 Tom Tromey <tromey@redhat.com>
2539 * invoke.texi (Optimize Options): Use `{}' to around @samp
2542 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2544 * invoke.texi (-fno-guess-branch-probability): New option.
2546 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2548 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2549 case of making new double-word constant.
2550 Revert last change: instead just test i3_subst_into_i2.
2552 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2554 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2555 Use q constraints instead of r.
2557 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2559 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2560 (machine_function): Define.
2561 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2562 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2563 pa_free_machine_status): New functions.
2564 (override_options): Set {init,mark,free}_machine_status to above.
2565 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2566 PIC_OFFSET_TABLE_REGNUM_SAVED.
2567 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2568 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2569 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2570 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2571 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2573 2001-01-15 DJ Delorie <dj@redhat.com>
2575 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2579 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2581 * flow.c (propagate_on_insn): Make trying to delete a prologue
2582 or epilogue insn an ICE, not a warning. Allow doing this if
2583 the current function returns with stack pointer depressed.
2585 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2586 I3 having more than one SET.
2588 2001-01-16 Jim Wilson <wilson@redhat.com>
2590 * invoke.texi: Document IA-64 options.
2592 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2593 (fixup_errata): Delete TARGET_A_STEP use.
2594 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2595 (TARGET_SWITCHES): Delete -ma-step option.
2596 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2597 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2598 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2599 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2600 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2601 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2603 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2604 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2605 cmovsi_internal): Delete ! TARGET_A_STEP check.
2607 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2609 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2610 possibility to report bugs via postal mail. Change a URL and
2611 merge in a nearly duplicate statement...
2612 (Bug Reporting): ...from here.
2613 (Service): Refer to the Bug Reporting section instead of
2615 (Contributing): Remove trivial explanations concerning snapshots.
2617 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2619 * cppmain.c (general_init): Don't use ANSI prototype.
2621 2001-01-16 Tom Tromey <tromey@redhat.com>
2623 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2625 2001-01-16 Richard Henderson <rth@redhat.com>
2627 * config/i386/i386.h: Fix comment typo.
2628 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2629 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2631 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2633 * gcc.c: Revert previous -fsyntax-only-related change; move
2636 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2638 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2639 inmode after checking GET_CODE (op).
2641 2001-01-16 Richard Henderson <rth@redhat.com>
2643 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2644 (MAX_MEM_SET_LIST_LEN): New.
2645 (propagate_one_insn): Update mem_set_list_len.
2646 (invalidate_mems_from_autoinc): Likewise.
2647 (invalidate_mems_from_set): Likewise.
2648 (mark_used_regs): Likewise.
2649 (init_propagate_block_info): Likewise. Stop collecting memories
2650 when we reach MAX_MEM_SET_LIST_LEN.
2651 (mark_set_1): Likewise.
2653 2001-01-16 Richard Henderson <rth@redhat.com>
2655 * unroll.c (precondition_loop_p): Fail if no iteration
2658 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2660 * gcc.c: When -fsyntax-only is given, do not complain about
2663 2001-01-15 Richard Henderson <rth@redhat.com>
2665 * config/i386/i386.c (asm_output_function_prefix): Remove.
2666 (ix86_asm_file_end): New.
2667 (load_pic_register): Generate pic_label_name into a
2668 staticly allocated buffer.
2669 * config/i386/i386-protos.h: Update.
2670 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2671 (ASM_FILE_END): New.
2672 * config/i386/i386afe.h: New file.
2673 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2674 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2675 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2676 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2677 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2678 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2679 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2681 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2683 * Makefile.in (install-man): Remove explicit dependency on
2686 * configure.in, configure: Revert previous patch requiring perl
2689 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2691 * toplev.c (flag_guess_branch_prob): New.
2692 (f_options): Add guess-branch-probability option.
2693 (rest_of_decl_compilation): Only estimate branch probability if
2695 (main): set flag_guess_branch_prob.
2697 * flags.h (flag_guess_branch_prob): New.
2699 2001-01-15 DJ Delorie <dj@redhat.com>
2701 * gcc.texi (Makefile): Add documentation for Makefile targets.
2703 2001-01-15 Philip Blundell <philb@gnu.org>
2705 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2707 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2708 (is_pic): Delete declaration.
2709 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2710 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2711 * config/arm/arm.md (builtin_setjmp_receiver): New.
2713 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2715 * arm.c (use_return_insn): Don't try to determine the function type
2716 until after reload has completed.
2717 (arm_output_epilogue): Don't adjust the sp value recovered from the
2719 (emit_multi_reg_push): Don't record dwarf information for the pc.
2720 * arm.md (eh_epilogue): The function type may have changed, so it
2721 needs to be recalculated.
2722 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2723 unwind tables on arm/netbsd.
2725 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2727 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2728 (negated_cbranchsi4): Likewise.
2730 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2732 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2733 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2734 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2735 pass -mapcs-* options to assembler.
2736 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2737 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2738 (ASM_SPEC): Call subtarget_extra_asm_spec.
2740 2001-01-15 Andreas Jaeger <aj@suse.de>
2742 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2744 (ix86_expand_builtin): Likewise.
2746 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2747 warning about comparison between signed and unsigned.
2749 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2751 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2753 2001-01-14 Ralf Baechle <ralf@gnu.org>
2755 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2756 SUBTARGET_CPP_SPEC apropriatly.
2758 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2760 * varasm.c (make_decl_rtl): Fix typo in last change.
2762 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2764 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2765 linker supports the init_priority C++ attribute.
2766 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2767 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2768 linker does not support init_priority C++ attribute.
2770 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2772 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2774 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2776 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2777 * cp/lex.c (finish_parse): Similarly.
2778 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2779 Return the number of errors encountered.
2780 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2781 * cppmain.c (main): Don't call cpp_destroy.
2783 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2785 * configure.in: Require at least perl 5.6.0 to regenerate
2787 * configure: Regenerate.
2789 2001-01-14 Richard Henderson <rth@redhat.com>
2791 * genrecog.c (DT_veclen_ge): New.
2792 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2793 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2794 (nodes_identical_1): Handle DT_veclen_ge.
2795 (write_cond, debug_decision_2): Likewise.
2797 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2799 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2801 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2803 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2805 * cppmain.c (do_preprocessing): New function; most of the old
2807 (main): Call it to do most of the work.
2808 (cb): Move from global scope to set_callbacks ().
2809 (setup_callbacks): Get the callback pointer.
2810 (general_init, printer_init): Clean up code and comments.
2812 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2814 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2817 2001-01-14 Kazu Hirata <kazu@hxi.com>
2819 * config/h8300/h8300.c (get_shift_alg): Update comments.
2821 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2823 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2824 (alloc_page, ggc_alloc): Add casts to remove warnings.
2826 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2828 * combine.c (simplify_comparison): Don't change `code' when
2829 can't reverse comparison.
2831 2001-01-14 Richard Henderson <rth@redhat.com>
2833 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2834 update all call sites. Return true for all non-label constants.
2836 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2838 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2840 (ix86_expand_branch): Update.
2841 (ix86_expand_setcc): Update to handle multiple test conditions.
2842 (expand_int_movcc): Likewise.
2843 (expand_fp_movcc): Likewise.
2844 * i386-protos.h (ix86_expand_compare): New.
2845 * i386.md (andqi_?_slp, orqi_?_slp): New.
2846 (conditional trap expander): Update call to ix86_expand_compare.
2848 2001-01-14 Richard Henderson <rth@redhat.com>
2850 * config/vax/vax.md: Use nonimmediate_operand instead of
2851 general_operand in destinations.
2853 * config/vax/vax.md (indirect_jump): Use register_operand.
2855 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2856 * config/vax/vax.md (call_pop): Turn into an expander.
2857 (call_value_pop): Likewise.
2858 (call, call_value): New.
2860 2001-01-14 Andreas Jaeger <aj@suse.de>
2862 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2864 (ix86_fp_compare_mode): Add unused attribute.
2865 (ix86_expand_fp_movcc): Remove unused variable.
2866 (ix86_expand_builtin): Make fcode unsigned.
2868 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2869 (expand_expr): Add cast to avoid signed warning.
2870 (store_field): Likewise.
2871 (store_constructor_field): Likewise.
2872 (store_constructor): Likewise.
2873 (store_expr): Likewise.
2874 (clear_storage): Likewise.
2875 (emit_group_store): Likewise.
2876 (emit_group_load): Likewise.
2878 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2880 * c-common.c: Move format checking code to ...
2881 * c-format.c: ... here. New file. Reorder some functions and
2883 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2885 * c-common.h (decl_handle_format_attribute,
2886 decl_handle_format_arg_attribute): Declare.
2887 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2888 (c-common.o): Adjust dependencies.
2889 (c-format.o): New list of dependencies.
2891 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2893 * unroll.c (loop_iterations): If we cannot prove iteration variable
2894 is set once in each iteration, punt.
2896 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2898 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2899 (*strlenhi): Remove clobber (which was buggy) of output address.
2901 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2903 * Makefile.in (generated-manpages): Add gcc.1
2904 ($(srcdir)/gcc.1): New target.
2905 (maintainer-clean): Delete $(srcdir)/gcc.1.
2906 * gcc.texi: Add macros @gccoptlist and @gol.
2907 * invoke.texi: Include option summary in manpage. Mark up option
2908 summary with @gccoptlist and @gol. Use @r in one place where
2910 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2911 * gcc.1: Generate from invoke.texi.
2913 2001-01-13 Richard Henderson <rth@redhat.com>
2915 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2916 (struct page_entry): Add group member.
2917 (struct page_group): New.
2918 (struct globals): Add page_groups member.
2919 (alloc_anon): Only define for using mmap; remove valloc call.
2920 (page_group_index): New.
2921 (set_page_group_in_use): New.
2922 (clear_page_group_in_use): New.
2923 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2924 (free_page, release_pages): Likewise.
2925 * configure.in (with-gc): Default to ggc-page always.
2927 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2929 * reload1.c (replace_pseudos_in_call_usage): Use
2930 reg_equiv_constant and reg_equiv_address, and don't try
2931 regno_reg_rtx first.
2933 2001-01-13 Richard Henderson <rth@redhat.com>
2935 * ggc-page.c (alloc_page): Round up allocation size to one page.
2936 Set e->order on extra pages.
2938 2001-01-13 Richard Henderson <rth@redhat.com>
2940 * genrecog.c (nodes_identical): Expand commentary.
2941 (write_switch): Watch out for identical nodes.
2943 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2945 * cppfiles.c (_cpp_fake_include): New function.
2946 * cpphash.h (_cpp_fake_include): New.
2947 * cpplib.c (do_line): Call _cpp_fake_include when entering
2948 header files in preprocessed input.
2949 * cppmain.c (cb_pragma_implementation): Remove handling.
2950 (setup_callbacks): Don't register pragmas.
2952 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2954 * extend.texi: Udate for CPP.
2956 2001-01-13 Andreas Jaeger <aj@suse.de>
2958 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2960 * regmove.c: Add prototype for replace_in_call_usage.
2962 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2964 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2965 struct cpp_chunk, struct htab, struct toklist,
2966 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2967 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2968 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2969 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2970 (struct macro_args): Delete.
2971 * cpphash.h: See above.
2973 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2975 * cppmain.c (struct printer): Remove no_line_dirs.
2977 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2978 : Use options rather than CPP_OPTION.
2979 (setup_callbacks): Use cb rather than pfile->cb.
2980 (main): No need to check for a buffer. Use cpp_errors.
2981 (printer_init): Don't set no_line_dirs.
2982 (maybe_print_line): Use options not no_line_dirs.
2983 (cb_file_change): Don't call print_line if -P.
2985 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2987 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2989 * c-parse.in (finish_parse): Use cpp_errors.
2990 (__yylex): Use return value of cpp_pop_buffer.
2991 * cp/lex.c (finish_parse): Use cpp_errors.
2992 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2994 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2996 * README.AVR: URLs corrected.
2998 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3000 * c-decl.c (start_function): Don't warn if old prototype is builtin
3001 that's not in C's namespace.
3002 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3003 (_bb): Add prototype for ctime.
3004 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3006 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3008 * i386.c (ix86_fp_comparison_arithmetics_cost,
3009 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3010 ix86_fp_comparison_cost): New functions.
3011 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3012 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3013 two-branch sequences; make static.
3014 (ix86_use_fcomi_compare): Do decision according to the costs.
3015 (split_fp_branch): New.
3016 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3017 * i386-protos.h (ix86_expand_fp_compare): Remove
3018 (ix86_split_fp_branch): Declare.
3020 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3021 and ix86_comparison_operator.
3023 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3026 * i386.c (put_condition_code): Output properly the unordered/ordered
3027 compares in fp case.
3028 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3030 * tm.texi (REVERSE_CONDITION): Document.
3031 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3032 in -ffast-math mode.
3033 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3035 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3037 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3039 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3042 * config/sh/sh.c (mova_p): Fix test for mova_const.
3044 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3046 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3047 cpp_get_options rather than dereferencing pfile and using
3049 * scan-decls.c (scan_decls): Use return value of
3050 cpp_pop_buffer rather than CPP_BUFFER.
3052 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3054 * cppinit.c (cpp_handle_option): help_only is now part of the
3055 cpp_options structure.
3056 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3057 cpp_set_callbacks): New functions.
3058 * cpplib.h (cpp_callbacks): Break out as a named structure.
3059 (cpp_options): Move help_only here from cpp_reader.
3060 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3061 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3062 cpp_set_callbacks): New prototypes.
3063 * cppmain.c (main): Update for help_only.
3065 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3067 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3068 Also build and remove and install and uninstall c-tree.info and
3070 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3071 ($(srcdir)/cppinternals.info): New target.
3072 * c-tree.texi: Change file name used when makeinfo used without -o
3073 from ir.info to c-tree.info. Add info directory entry.
3074 * cppinternals.texi: Add info directory entry.
3075 * .cvsignore: Update.
3077 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3079 * c-typeck.c (store_init_value): Don't require constant initializer
3080 elements with -pedantic -std=c99.
3081 (digest_init): Change error about non-constant initializer elements
3083 (constructor_range_end): Remove.
3084 (constructor_incremental, designator_depth,
3085 designator_errorneous): New variables.
3086 (struct constructor_stack): Remove range_end, add incremental.
3087 (struct constructor_range_stack, constructor_range_stack): New.
3088 (struct initializer_stack): Add constructor_range_stack.
3089 (finish_init): Set it.
3090 (start_init): Likewise. require_constant_elements for non-static
3091 trees only if not flag_isoc99.
3092 (really_start_incremental_init): Remove constructor_range_end, add
3093 constructor_incremental.
3094 (pop_init_level): Likewise.
3095 (push_init_level): Likewise. If implicit and the subobject had some
3096 value set already, preinitialize the level with it.
3097 Warn about missing braces only if not pushing due to designators.
3098 (set_designator, push_range_stack): New functions.
3099 (set_init_label): Use them.
3100 (set_init_index): Likewise. Remove constructor_range_end.
3101 Error if designator index is outside of array bounds.
3102 (add_pending_init): Compare values of purpose index trees, not the
3103 trees themselves. Allow overwriting of already initialized element.
3104 Issue a warning if it had side-effects.
3105 (set_nonincremental_init, set_nonincremental_init_from_string): New
3107 (pending_init_member): Rename to...
3108 (find_init_member): ...this function. Call set_nonincremental_init
3109 if necessary. Compare values of purpose index trees, not the trees
3110 themselves. Return the actual value, not just non-zero if something
3112 (output_init_element): Remove checks for duplicates.
3113 If field has zero size, only check the initializer for correctness.
3114 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3115 if constructor_incremental is zero. Change error about initializers
3116 not computable at load time into pedwarn.
3117 (output_pending_init_elements): Compare bit positions, not
3118 FIELD_DECLs to take into account zero-sized fields.
3119 (process_init_element): Use constructor_range_stack to fill all
3120 ranges in the designator lists from current level up.
3121 * extend.texi: Update documentation for labeled elements.
3123 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3125 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3126 to function usage for arguments passed by reference. Optimize
3127 callee-copied arguments.
3128 * regmove.c (replace_in_call_usage): New function.
3129 (fixup_match_1): Call it.
3130 * cse.c (cse_insn): Canonicalize registers in function usage.
3131 * reload1.c (replace_pseudos_in_call_usage): New function.
3134 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3137 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3139 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3142 2001-01-12 DJ Delorie <dj@redhat.com>
3144 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3145 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3148 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3150 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3151 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3152 -std options alongside references to -ansi. Update some
3153 documentation for C99.
3154 * cpp.1: Regenerate.
3156 2001-01-12 Andreas Jaeger <aj@suse.de>
3158 * haifa-sched.c (restore_line_notes): Remove argument block B
3160 * sched-ebb.c (schedule_ebb): Change caller.
3161 * sched-rgn.c (schedule_region): Likewise.
3162 * sched-int.h (restore_line_notes): Adjust prototype.
3164 * loop.h: Remove wrong declaration of doloop_condition_get.
3166 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3168 * extend.texi: Move C++-extension-related node from the C section
3169 into the C++ section.
3171 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3173 * extend.texi: Refer to an array of pointers to functions instead
3174 of one of functions.
3176 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3177 Jan Hubicka <jh@suse.cz>
3179 * combine.c (reversed_comparison): Fix typo in last patch.
3181 (combine_reversed_comparison_code): Make static to follow
3182 prototype declaration.
3184 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3186 * install.texi: Remove misplaced duplicate entry.
3188 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3190 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3192 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3194 * final.c: (leaf_function_p): Fix typo.
3196 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3198 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3199 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3201 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3202 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3203 mmap_anon, and valloc is available.
3204 * ggc-page.c: Restructure ifdef logic to match new autoconf
3205 spec. Don't throw away the test page in init_ggc.
3207 * configure, config.in: Regenerate.
3209 2001-01-12 Michael Hayes <mhayes@redhat.com>
3211 * loop.h (total_biv_increment): Constify iv_class pointer.
3212 (struct induction): Replace `mem_mode' with `mem' rtx.
3213 * unroll.c (total_biv_increment): Constify iv_class pointer.
3214 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3215 (find_mem_givs, combine_givs_p): Likewise.
3216 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3218 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3220 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3222 (__gthread_getspecific): Ditto.
3224 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3226 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3227 put_condition_code): Convert fp comparison codes to integer
3229 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3232 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3233 * i386-protos.h (no_comparison_operator): Kill.
3235 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3237 * combine.c (REVERSIBLE_CC_MODE): Remove.
3238 (reversible_comparison_p): Remove.
3239 (combine_reversed_comparison_code): New.
3240 (reversed_comparison): New.
3241 (combine_simplify_rtx): Use
3242 combine_reversed_comparison_code/reversed_comparison instead
3243 of reversible_comparison_p.
3244 (simplify_if_then_else): Likewise.
3245 (simplify_set): Likewise.
3246 (simplify_logical): Likewise.
3247 (if_then_else_cond): Likewise.
3248 (known_cond): Likewise.
3249 (simplify_comparison): Likewise.
3251 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3253 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3254 sizeof (int) is larger than sizeof(__word__).
3256 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3258 * cppinit.c (do_includes): Fix typo.
3260 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3262 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3263 in S_REGS does not occur because not all sources are possible
3264 when a S_REGS is a destination (sometimes needs a clobber).
3265 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3266 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3267 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3268 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3269 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3270 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3271 (lshrdi_const1, lshrsi3_const16): Likewise.
3272 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3273 (*movhi_68hc12, *movqi_68hc12): Likewise.
3274 (movstrictqi): Make sure reloading in D_REGS as a destination
3277 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3279 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3281 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3283 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3284 -D, -U and -A, and don't initialize the builtins.
3285 (do_includes): Error if -include or -imacros with -fpreprocessed.
3286 * cppmain.c (cb_define, cb_undef): Unconditionally process
3288 * tradcpp.c (main): Fix typo.
3290 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3292 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3293 (read_name_map): Use IS_ABSOLUTE_PATH.
3294 * tradcpp.c (get_filename): Likewise.
3296 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3298 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3299 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3300 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3301 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3302 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3303 (cmphi_z_used): Don't use '@' for the output.
3304 (tstqi_z_used): Likewise.
3305 (cmpqi_z_used): Likewise.
3306 (one_cmplsi2): Likewise.
3308 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3310 * config/sh/sh.c (barrier_align): Recognize branch around far
3311 branch and redundant insn.
3313 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3315 * invoke.texi: Restore documentation of the drivers' switches -MD
3318 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3320 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3322 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3323 check-objc//%): Support parallel testing of multilibs.
3324 (TESTSUITEDIR): Set to testsuite by default, but override for
3326 (check-gcc, check-g++, check-g77, check-objc): Enter
3329 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3331 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3332 * sched-deps.c (deps_may_trap_p): Likewise.
3333 * basic-block.h: Remove a comment.
3334 * flow.c (PROP_POSTRELOAD): Remove.
3335 (update_life_info): Don't add it to prop_flags.
3336 (mark_set_1): Lose the code that was enabled by it.
3338 2001-01-11 Michael Hayes <mhayes@redhat.com>
3340 * flow.c (flow_call_edges_add): New.
3341 * basic_block.h (flow_call_edges_add): New.
3343 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3345 * reload1.c (move2add_note_store): Update reg_set_luid even if
3346 base reg remains the same.
3348 2001-01-10 Nick Clifton <nickc@redhat.com>
3350 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3351 machine_function structure to zero.
3352 Add prototypes for machine_status functions.
3354 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3356 * c-common.h (CTI_VOID_LIST): Remove.
3357 (void_list_node): Likewise.
3358 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3359 (void_list_node): New macro.
3360 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3361 * config/i386/i386.c (ix86_init_builtins): Likewise.
3362 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3364 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3366 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3367 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3369 * tradcpp.c: Include mkdeps.h.
3370 (deps, print_deps_phony_targets, deps_append, output_deps,
3371 init_dependency_output, output_deps): New.
3372 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3373 deps_output): Delete.
3374 (print_deps_missing_files): Rename deps_missing_files.
3375 (inhibit_output): Make global.
3376 (main): Delete inhibit_output, deps_stream, deps_target.
3377 Use mkdeps functionality in the same way as cpplib. Remove
3378 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3379 -M and -MM. Remove old handling of deps via deps_out, and
3380 old reading of environment variables.
3381 (get_filename): Update to use deps_add_dep.
3383 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3385 * output.h (make_function_rtl): Remove prototype.
3386 (make_decl_rtl): Likewise.
3387 * varasm.c (make_function_rtl): Remove.
3388 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3389 than from a third parameter.
3390 * tree.h (make_decl_rtl): Remove last parameter.
3391 * c-decl.c (builtin_function): Remove last argument in call to
3392 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3393 (start_function): Likewise.
3394 * except.c (call_get_eh_context): Likewise.
3395 * expr.c (emit_block_move): Likewise.
3396 (clear_storage): Likewise.
3397 * profile.c (output_func_start_profiler): Likewise.
3398 * toplev.c (rest_of_decl_compilation): Likewise.
3399 * objc/objc-act.c (create_builtin_decl): Likewise.
3400 (synth_module_prologue): Likewise.
3401 (generate_static_reference): Likewise.
3402 (build_selector_reference_decl): Likewise.
3403 (build_class_reference_decl): Likewise.
3404 (build_objc_string_decl): Likewise.
3405 (build_protocol_reference): Likewise.
3407 2001-01-10 Richard Henderson <rth@redhat.com>
3409 * hwint.h: Revert yesterday's change.
3411 2001-01-10 Nick Clifton <nickc@redhat.com>
3413 * function.h (save_machine_status): Delete.
3414 (restore_machine_status): Delete.
3415 Amend comment describing {init|mark|free}_machine_status.
3417 * function.c (save_machine_status): Delete.
3418 (restore_machine_status): Delete.
3419 Amend comment describing {init|mark|free}_machine_status.
3420 (push_function_context_to): Remove invocation of
3421 save_machine_status.
3422 (pop_function_context_from): Remove invocation of
3423 restore_machine_status.
3425 * emit-rtl.c (init_emit_once): Amend comment describing
3426 {init|mark|free}_machine_status.
3428 * tm.texi (Per-Function Data): New node. Describe the
3429 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3432 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3434 * cppinit.c (OPT_g): Remove.
3435 (cpp_handle_option): Update for removed -g3.
3436 (print_help): Update.
3437 * cpplib.h (struct cpp_options): Remove debug_output.
3438 * cppmain.c (setup_callbacks, cb_define): Update.
3439 * gcc.c (cpp_options): Translate -g3 to -dD.
3441 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3443 * config/i960/i960.md: Change modifier to + on the zero_extract
3444 pattern after the (rotate -2 reg) canonicalization pattern.
3446 2001-01-10 Richard Henderson <rth@redhat.com>
3448 * config/alpha/alpha.c (alpha_free_machine_status): New.
3449 (override_options): Install it.
3450 (alpha_mark_machine_status): Verify machine non-null.
3451 * config/i386/i386.c (ix86_free_machine_status): New.
3452 (override_options): Install it.
3453 (ix86_init_machine_status): Use xcalloc.
3454 (ix86_mark_machine_status): Verify machine non-null.
3455 * config/ia64/ia64.c (ia64_free_machine_status): New.
3456 (ia64_override_options): Install it.
3457 (ia64_mark_machine_status): Verify machine non-null.
3459 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3461 * function.c (instantiate_virtual_regs): Instantiate virtual
3462 registers found in CALL_INSN_FUNCTION_USAGE.
3464 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3466 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3467 equivalent to -ansi in disabling -Di386.
3469 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3471 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3473 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3475 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3477 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3479 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3481 * invoke.texi: Document that -fcond-mismatch isn't supported for
3484 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3486 * gcc.texi: Define macro gcctabopt.
3487 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3488 @command, @env and @option in some places where appropriate. Use
3489 @gcctabopt where appropriate. Put URLs and email addresses inside
3492 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3494 * gcc.c (cpp_options): Set MD file name from output
3495 filename, if specified.
3496 (suffix_subst): New static variable.
3497 (do_spec): Clear it.
3498 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3500 (give_switch): Handle suffix_subst.
3502 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3504 * invoke.texi: Fix another typo.
3506 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3508 * invoke.texi: Fix typo.
3510 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3512 * c-lang.c (lang_hooks): Update.
3513 (lang_decode_option): Remove.
3514 (lang_init_options): Rename c_init_options.
3515 * toplev.c (main): Use lang_hooks for lang_init_options
3516 and lang_decode_option.
3517 * toplev.h (lang_hooks): Add 2 new hooks.
3518 * tree.h: Remove lang_init_options and lang_decode_option.
3519 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3520 * cp/decl2.c: Similarly.
3521 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3522 (lang_hooks): Update.
3523 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3525 (lang_init_options): Rename ffe_init_options.
3526 (lang_hooks): Update.
3527 (lang_decode_option): Remove.
3528 * java/lang.c (lang_init_options): Rename java_init_options.
3529 (lang_decode_option): Rename java_decode_option.
3530 (lang_hooks): Update.
3531 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3532 (lang_decode_option): Rename objc_decode_option.
3533 (lang_hooks): Update.
3535 2001-01-09 Nick Clifton <nickc@redhat.com>
3537 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3538 (d30v_return_addr_rtx): Delete.
3539 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3540 cfun->machine structure.
3541 (struct machine_function): Move to d30v.h
3542 (d30v_save_machine_status): Delete.
3543 (d30v_restore_machine_status): Delete.
3544 (d30v_init_machine_status): New Function.
3545 (d30v_mark_machine_status): New Function.
3546 (d30v_free_machine_status): New Function.
3547 (d30v_init_expanders): Use new functions.
3548 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3549 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3550 d30v_return_addr_rtx.
3552 * config/d30v/d30v.h (struct_machine): Move here.
3553 Add eh_epilogue_sp_ofs field.
3555 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3556 field in cfun->machine structure.
3558 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3560 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3561 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3562 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3564 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3566 * objc/lang-options.h: Remove bogus reference to
3569 2001-01-09 Kazu Hirata <kazu@hxi.com>
3571 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3574 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3576 * reload.c (find_reloads_address): Check for eliminable registers
3577 when substituting a constant expression for a pseudo.
3579 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3581 * c-common.c (enum format_type): Add format_type_error.
3582 (decode_format_type): New function.
3583 (decl_attributes): Use it.
3584 (format_kind_info): Adjust comment.
3586 2001-01-09 David O'Brien <obrien@BSDi.com>
3588 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3589 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3591 * config/i386/gnu.h: Don't include required platform specific .h files,
3592 tm.h will do it instead.
3593 * config/i386/i386elf.h: Likewise.
3594 * config/i386/linux.h: Likewise.
3595 * config/i386/moss.h: Likewise.
3596 * config/mips/gnu.h: Likewise.
3598 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3600 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3601 (rs6000-ibm-aix3.[01]*): Likewise.
3602 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3603 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3604 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3605 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3606 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3607 (powerpc-*-eabiaix*): Likewise.
3608 (powerpc-*-eabisim*): Likewise.
3609 (powerpc-*-elf*): Likewise.
3610 (powerpc-*-eabi*): Likewise.
3611 (powerpc-*-rtems*): Likewise.
3612 (powerpc-*-linux*libc1): Likewise.
3613 (powerpc-*-linux*): Likewise.
3614 (powerpc-wrs-vxworks*): Likewise.
3615 (powerpcle-wrs-vxworks*): Likewise.
3616 (powerpcle-*-sysv*): Likewise.
3617 (powerpcle-*-elf*): Likewise.
3618 (powerpcle-*-eabisim*): Likewise.
3619 (powerpcle-*-eabi*): Likewise.
3620 (powerpcle-*-solaris2*): Likewise.
3621 * config/rs6000/aix31.h: Delete includes.
3622 * config/rs6000/aix3newas.h: Likewise.
3623 * config/rs6000/aix41.h: Likewise.
3624 * config/rs6000/aix43.h: Likewise.
3625 * config/rs6000/beos.h: Likewise.
3626 * config/rs6000/rtems.h: Likewise.
3627 * config/rs6000/sysv4.h: Likewise.
3629 2001-01-09 Kazu Hirata <kazu@hxi.com>
3631 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3632 Change an argument mode of machine_mode to shift_mode of
3633 shift_mode. Remove an extra error check.
3634 (emit_a_shift): Adopt to the new calling prototype of
3636 (function_prologue): Fix code for a monitor
3637 function. Support H8/S.
3638 (function_epilogue): Do not output pop for a monitor function.
3640 2001-01-09 Nick Clifton <nickc@redhat.com>
3642 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3643 (setup_incoming_varargs): Use sysv_varargs_p field of the
3644 cfun->machine structure.
3645 (struct machine_function): Move to rs6000.h
3646 (rs6000_save_machine_status): Delete.
3647 (rs6000_restore_machine_status): Delete.
3648 (rs6000_init_machine_status): New Function.
3649 (rs6000_free_machine_status): New Function.
3650 (rs6000_init_expanders): Use new functions.
3652 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3654 (struct machine_function): Move here.
3656 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3657 sysv_varargs_p field of the cfun->machine structure.
3659 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3661 (rs6000_restore_machine_status): Remove prototype.
3663 2001-01-09 Richard Henderson <rth@redhat.com>
3665 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3666 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3667 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3668 (sched_analyze_2, sched_analyze_insn): Likewise.
3669 (sched_analyze, init_deps): Likewise.
3670 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3671 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3672 (compute_block_backward_dependences): Update propagate_deps call.
3674 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3676 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3678 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3680 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3681 (cpp_handle_option): Handle them.
3682 (cpp_post_options): Ensure one of -M or -MM is specified with
3683 any other -M? option.
3684 (init_dependency_output): Suppress output with -MG.
3686 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3689 * invoke.texi: Update.
3691 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3693 * sh.md (reload_outsf): Generate recognizable patterns for
3696 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3698 * c-lang.c (lang_hooks): Update.
3699 (lang_init): Rename c_init.
3700 (lang_finish): Remove.
3701 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3703 * toplev.h (lang_hooks): Add init () and finish ().
3704 * tree.h (lang_init, lang_finish): Remove.
3705 * cp/tree.h (lang_init, lang_finish): Remove.
3706 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3707 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3709 (lang_init, lang_finish): Remove.
3710 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3711 (lang_hooks): Update.
3712 * java/lang.c (lang_init): Rename java_init.
3713 (lang_finish): Remove.
3714 (lang_hooks): Update.
3715 * objc/objc-act.c (lang_init): Rename objc_init.
3716 (lang_finish): Remove.
3717 (lang_hoooks): Update.
3719 20001-01-09 Graham Stott <grahams@redhat.com>
3721 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3722 after `ptr` is initialised.
3724 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3726 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3727 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3728 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3729 stack adjusts, instead of r3.
3731 2001-01-09 Michael Hayes <mhayes@redhat.com>
3733 * flow.c (flow_loop_scan): Break out of ...
3734 (flow_loops_find) ... here.
3735 * basic-block.h (flow_loop_scan): New.
3736 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3737 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3739 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3741 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3743 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3744 realloc()ing macro_buffer.
3746 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3747 if it's wider than long and the target's long is wider than the
3750 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3752 Remove support for using UWIN as a host machine.
3753 * configure.in: Issue an error message.
3754 * configure: Regenerated.
3755 * config.gcc: Remove xm_* UWIN configury.
3756 * config/i386/xm-uwin.h: Remove.
3758 2001-01-08 Nick Clifton <nickc@redhat.com>
3760 * config/v850/v850.c (ra_rtx): Delete.
3761 (v850_save_machine_status): Delete.
3762 (v850_restore_machine_status): Delete.
3763 (v850_init_machine_status): New function.
3764 (v850_mark_machine_status): New function.
3765 (v850_free_machine_status): New function.
3766 (v850_return_addr): Use ra_rtx field in machine structure.
3767 (v850_init_expanders): Use new functions.
3769 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3770 * config/v850/v850.c: Change arguments to v850_output+* functions
3771 to take a const char *, to avoid compile time warning.
3772 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3773 (USER_LABEL_PREFIX): Redefine.
3775 2000-01-08 Jim Wilson <wilson@redhat.com>
3777 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3778 1 to unsigned HOST_WIDE_INT before left shift.
3780 2001-01-08 Nick Clifton <nickc@redhat.com>
3782 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3783 the machine structure has been allocated.
3784 (arm_free_machine_status): New function: Free the machine
3785 specific function structure.
3787 2001-01-08 Richard Henderson <rth@redhat.com>
3789 * jump.c (simplejump_p): Revert last change.
3791 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3793 * cppinit.c (init): Rename init_library.
3794 (cpp_create_reader): Update.
3795 * gcc.c (cpp_options): If -o given, use it as the target of
3798 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3800 * arm.c (arm_arch5e): New variable.
3801 (all_cores): XScale is a 5TE device.
3802 (arm_override_options): Set arm_arch5e.
3803 (arm_init_builtins): __builtin_prefetch is in arch5e.
3804 * arm.h (arm_arch5e): Declare it.
3806 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3808 * arm.md (define_constants): Add defines for UNSPEC and
3809 UNSPEC_VOLATILE insns. Update all users.
3810 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3811 * arm.c (multi_register_push, note_invalid_constants)
3812 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3813 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3814 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3816 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3818 * jump.c (jump_optimize_1): Use reversed_comparison_code
3819 instead of can_reverse_comparison_p.
3820 (jump_back_p): Likewise.
3821 (invert_exp_1): Likewise.
3822 (thread_jumps): Likewise.
3823 * simplify-rtx.c (simplify_unary_operation): Likewise.
3824 (simplify_ternary_operation): Likewise.
3825 * cse.c (find_comparison_args): Convert to use
3826 can_reverse_comparison_p.
3827 (record_jump_equiv): Likewise.
3829 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3831 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3832 (EPILOGUE_USES): Define.
3833 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3834 automatically stack the LR if it isn't live.
3836 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3838 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3841 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3843 * ggc-page.c (max_alignment): New structure.
3844 (MAX_ALIGNMENT): New macro.
3845 (init_ggc): Use it to round up the sizes in the
3846 extra_order_size_table.
3848 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3850 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3853 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3855 * builtins.def (BUILT_IN_FPRINTF): New entry.
3857 * c-common.c (c_expand_builtin_fprintf): New function.
3858 (init_function_format_info): Handle __builtin_fprintf.
3859 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3860 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3862 * c-decl.c (duplicate_decls): Adjust comment.
3864 * extend.texi (fprintf): Document new builtin.
3866 2001-01-07 Richard Henderson <rth@redhat.com>
3868 * jump.c (simplejump_p): Recognize any single_set jump
3871 2001-01-07 Richard Henderson <rth@redhat.com>
3873 * configure.in (slibdir): Accept an --with-slibdir option.
3874 Use "test" not "[" in configure. Default to $(libdir).
3876 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3878 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3879 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3880 (SHLIB_LINK): Create links for the soname.
3881 * config/mips/t-iris6: Likewise.
3882 * config/sparc/t-slibgcc: Likewise.
3883 * config/sparc/t-slibgcc-sld: Likewise.
3885 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3887 * config/i386/i386.c (constant_call_address_operand): Accept
3888 (const (plus (symbol_ref) (const_int))).
3889 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3890 constant_call_address_operand.
3892 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3894 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3895 and LONG_LONG_TYPE_SIZE > 32.
3897 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3899 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3900 the previous change.
3902 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3904 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3906 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3907 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3908 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3911 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3913 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3915 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3917 * c-lang.c (c_post_options): Call cpp_post_options.
3918 * objc/objc-act.c (objc_post_options): Similarly.
3919 * cppmain.c (main): Similarly.
3920 * fix-header.c (read_scan_file): Similarly.
3921 * cppinit.c (cpp_start_read): Move option consistency checks
3922 to cpp_post_options. Don't call init_dependency_output.
3923 If needed, add default target and main file dependency.
3924 (OPT_MD, OPT_MMD): Remove.
3926 (cpp_handle_option): Update for OPT_* changes.
3927 (cpp_post_options): New.
3928 (init_dependency_output): Command line -MF overrides environment
3929 variables. Don't set default target etc. Suppress output
3930 if dependencies are going to stdout.
3931 (print_help): Update.
3932 * cpplib.h (cpp_post_options): New.
3933 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3935 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3937 * jump.c (comparison_dominates_p): Support unordered compares.
3939 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3941 * simplify-rtx.c (simplify_relational_operation): Always simplify
3942 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3945 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3947 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3948 (nonzero_bits): Likewise.
3949 (simplify_comparison): Likewise.
3950 (num_sign_bit_copies): Likewise; return more sane value depending
3951 on STORE_FLAG_VALUE.
3952 (known_cond): Do not assume EQ to be always true for equivalent
3955 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3957 * cse.c (fold_rtx): Handle unordered comparisons.
3959 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3961 * rtlanal.c (set_of_1): New static function.
3962 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3963 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3964 reg_set_last_last_regno): Remove.
3965 (set_of): New global function.
3966 (set_of_data): New structure.
3967 (reg_set_p, reg_set_last): Revamp for set_of.
3968 * rtl.h (set_of): New.
3970 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3972 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3973 * extend.texi: Document _Exit builtin.
3975 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3977 * (initialize, initialize_builtins,
3978 initialize_dependency_output, initialize_standard_includes):
3979 Rename s/initialize/init. Update.
3980 (init_dependency_output): Move to after
3981 cpp_handle_options, the correct location temporally at least.
3982 (opt_comp): Move next to init (), its caller. Fix prototype.
3983 (init): Make "initialized" local scope.
3984 (cpp_create_reader): Always call init ().
3985 (cpp_start_read): Update.
3986 (output_deps): New function, broken out of cpp_finish.
3987 (cpp_finish): Break out output_deps.
3989 2001-01-07 Richard Henderson <rth@redhat.com>
3991 * collect2.c (COFF specific stuff): Revert 12-06 patch
3992 to prototype system functions.
3994 2001-01-07 Michael Hayes <mhayes@redhat.com>
3996 * hard-reg-set.h: Add multiple include guard.
3997 * basic-block.h (struct loop): Add `sink' field.
3998 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3999 (emit_iv_add_mult): Delete.
4000 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4001 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4002 (unroll_loop): Remove end_insert_before argument.
4003 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4004 (maybe_eliminate_biv_1): Likewise.
4005 (emit_iv_add_mult): Delete.
4006 (gen_add_mult, loop_regs_update): New.
4007 (loop_insn_emit_after, loop_insn_emit_before): New.
4008 (loop_insn_sink, loop_insn_sink_or_swim): New.
4009 (emit_iv_add_mult): Delete.
4010 (scan_loop): Set loop->sink.
4011 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4012 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4013 (maybe_eliminate_biv_1): Likewise.
4014 (maybe_eliminate_biv_1): Add basic block argument.
4015 * unroll.c (unroll_loop): Remove end_insert_before argument.
4016 (find_splittable_regs): Likewise.
4017 (find_splittable_regs): Use loop_insn_sink and its ilk.
4018 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4020 2001-01-07 Michael Hayes <mhayes@redhat.com>
4022 * loop.h (loop_insn_hoist): New prototype.
4023 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4024 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4025 (check_dbra_loop, load_mems): Likewise.
4026 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4027 (find_splittable_givs): Likewise.
4029 2001-01-07 Michael Hayes <mhayes@redhat.com>
4031 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4033 2001-01-07 Richard Henderson <rth@redhat.com>
4035 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4037 2001-01-07 Richard Henderson <rth@redhat.com>
4039 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4040 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4041 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4042 variant that handles a shared libgcc.
4043 (process_command): Always validate -{static,shared}-libgcc.
4044 (do_spec_1): New 'M' case.
4045 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4047 2001-01-07 Richard Henderson <rth@redhat.com>
4049 * Makefile.in (slibdir): New variable.
4050 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4051 (installdirs): Create slibdir.
4052 (install-libgcc, install-multilib): Defer to libgcc.mk.
4053 * configure.in (slibdir): Substitute.
4054 * mklibgcc.in (install): New target.
4056 * config/t-linux (SHLIB_LINK): Create links for the soname.
4057 (SHLIB_INSTALL): New.
4058 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4059 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4060 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4061 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4062 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4064 2001-01-07 Richard Henderson <rth@redhat.com>
4066 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4067 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4068 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4070 2001-01-07 Michael Hayes <mhayes@redhat.com>
4072 * loop.c (count_loop_regs_set): Delete.
4073 (load_mems_and_recount_loop_regs_set): Delete.
4074 (loop_regs_scan): Merge common code from count_loop_regs_set,
4075 scan_loop, and load_mems_and_recount_loop_regs_set.
4076 (scan_loop): Call load_mems directly and loop_regs_scan
4077 again if new registers created.
4079 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4081 * toplev.c (main): Call the front-end specific post_options
4082 hook if one is given.
4083 * toplev.h (struct_lang_hooks, lang_hooks): New.
4084 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4085 for the C front end.
4086 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4087 lang_hooks for the C++ front end.
4088 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4089 lang_hooks for the ObjC front end.
4090 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4091 * java/lang.c (lang_hooks): Hooks for the Java front end.
4093 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4095 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4096 for verbose DWARF[2] debugging.
4097 (cb_define, cb_undef): The new callbacks.
4098 * toplev.h (debug_define, debug_undef): Make const correct.
4099 * toplev.c (debug_define, debug_undef): Similarly. Do not
4100 perform the verbosity tests here anymore.
4102 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4104 * reload.c (subst_reloads): Take INSN argument. When
4105 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4106 * reload.h (subst_reloads): Adjust prototype.
4107 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4108 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4109 present in JUMP_INSNs and copy them to JUMP_LABEL.
4110 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4111 JUMP_INSNs and insns with REG_LABELs that are followed by
4112 JUMP_INSNs with the same REG_LABEL.
4113 * sched-rgn.c (is_cfg_nonregular): Likewise.
4114 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4116 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4118 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4120 2001-01-06 Richard Henderson <rth@redhat.com>
4122 * loop.c (scan_loop): Use xcalloc for the regs array.
4123 (load_mems_and_recount_loop_regs_set): Zero the new memory
4124 received from xrealloc.
4126 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4128 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4130 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4132 * integrate.c (copy_rtx_and_substitute): When copying
4133 an ignored return value, strip REG_FUNCTION_VALUE_P.
4135 2001-01-06 Michael Hayes <mhayes@redhat.com>
4137 * loop.c (debug_biv, debug_giv): New.
4138 (loop_biv_dump): Break out from ...
4139 (record_biv): ... here.
4140 (loop_giv_dump): Break out from ...
4141 (record_giv): ... here.
4142 (loop_bivs_check): Use print_simple_rtl.
4143 * unroll.c (loop_iterations): Use print_simple_rtl.
4145 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4147 * pa.md (return, return_internal): Modify patterns to prevent regrename
4148 mucking with the return pointer.
4150 2001-01-05 Richard Henderson <rth@redhat.com>
4152 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4154 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4156 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4157 version supplied by Matteo Frigo.
4159 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4161 * cpp.texi: Update for -MQ.
4162 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4163 (cpp_cleanup): Always free pfile->deps.
4164 (initialize_dependency_output): Don't create pfile->deps.
4165 (cpp_handle_option): Similarly.
4167 * gcc.c (cpp_options): Handle -MQ.
4168 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4169 * mkdeps.c (base_name): Remove.
4170 (deps_init): Don't allocate vector space until it's needed.
4171 (deps_free): Only free vectors if allocated.
4172 (deps_add_target, deps_add_dep): Update for initial allocation.
4173 (deps_add_default_target): Don't strip to the base_name.
4175 2001-01-05 DJ Delorie <dj@redhat.com>
4177 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4178 (INIT_EXPANDERS): Define.
4180 * config/v850/v850.c (struct machine_function): Define.
4181 (v850_save_machine_status): New function.
4182 (v850_restore_machine_status): New function.
4183 (v850_return_addr): New function.
4184 (v850_init_expanders): New function.
4186 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4187 and v850_init_expanders.
4189 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4191 * cpplib.h (struct cpp_reader): Add help_only field.
4192 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4193 (cpp_handle_option): Set pfile->help_only if we see -h,
4194 --help, -target-help, or --version. Print version string but
4195 do not set help_only if we see -v or -version. Make text
4196 printed by -v match that printed by (-)-version.
4198 * cppmain.c (main): Exit after option parsing if
4199 pfile->help_only is true.
4201 * toplev.c (independent_decode_option): Call print_version,
4202 then exit, if we see --version (but not -version).
4203 (print_version): Split lengthy message into two lines.
4205 2001-01-05 Nick Clifton <nickc@redhat.com>
4207 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4208 temporary string for initialisation before calling ggc_alloc_string.
4210 2001-01-06 Michael Hayes <mhayes@redhat.com>
4212 * rtl.h (print_simple_rtl): New.
4213 * print-rtl.c (print_simple_rtl): New.
4215 (print_rtx): Disable printing of flags and modes, etc.,
4216 if `flag_simple` nonzero.
4218 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4220 * function.c (fixup_var_refs): Use push_to_full_sequence where
4223 2001-01-05 Michael Meissner <meissner@redhat.com>
4225 * flags.h (flag_reorder_blocks): Add declaration.
4226 (flag_rename_block): Ditto.
4228 2001-01-05 DJ Delorie <dj@redhat.com>
4230 * function.c (reorder_blocks): Make sure the flags are all reset
4231 before using them to mark blocks, else a second invocation will
4232 corrupt the block chain.
4233 (reorder_blocks_0): New, resets the flags.
4235 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4237 * cse.c (find_comparison_args): Stop if the argument is known to
4240 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4242 * config/sh/sh.md (movdf): When splitting load into pair of
4243 registers, don't clobber the register used in the address too
4246 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4248 * varasm.c (mark_constant_pool): Improve initial comments.
4249 (mark_constants): Move marking of constants to mark_constant.
4250 (mark_constant): New function to recursively mark all constants
4251 referred to by a constant.
4253 2001-01-05 Catherine Moore <clm@redhat.com>
4255 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4257 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4259 * cp/lang-options.h: Bring comment in line with reality.
4260 * f/lang-options.h: Likewise.
4261 * java/lang-options.h: Likewise.
4262 * objc/lang-options.h: Likewise.
4263 * ch/lang-options.h: Likewise.
4264 * f/g77.texi: And update the manual.
4266 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4267 Denis Chertykov <denisc@overta.ru>
4269 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4270 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4271 * config/avr/avr.md (all peepholes that request a scratch register):
4272 Call it, FAIL the peephole if not safe (in interrupt functions).
4274 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4276 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4278 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4280 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4282 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4283 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4284 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4285 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4286 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4288 * extend.texi: Document these builtins.
4290 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4292 * c-common.c (lang_get_alias_set): Say we know nothing of
4293 VECTOR_TYPE aliasing.
4295 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4297 2001-01-05 Bruce Korb <bkorb@gnu.org>
4299 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4300 their x* equivalent versions for atexit-less systems
4301 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4302 systems (or any other system any more).
4304 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4306 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4307 output operands. Use arm_hard_register_operand for operand 4.
4308 (stmsi_postinc): Similarly.
4309 (ldmsi): Use arm_hard_register_operand for opernand 2.
4311 * arm.c (arm_hard_register_operand): New function.
4312 * arm-protos.h (arm_hard_register_operand): Prototype it.
4314 * arm.h (HARD_REGNO_RENAME_OK): Define.
4316 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4318 * simplify-rtx.c (cfc_args): add "unordered" field.
4319 (check_fold_consts): Set unordered field.
4320 (simplify_relational_operation): Simplify the unordered
4323 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4326 * emit-rtl.c (try_split): Fix code to mark labels.
4327 * jump.c (mark_jump_label): Make global.
4328 * rtl.h (mark_jump_label): Declare.
4330 * predict.c (estimate_probability): Handle unordred comparisons.
4332 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4334 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4335 * cppinit.c (initialize_dependency_output): Update.
4336 (cpp_finish): Output dummy targets for -MP.
4338 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4339 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4340 * gcc.c (cpp_options): Update to handle -MP.
4341 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4342 to quote only the default target.
4343 (deps_phony_targets): Insert a preceding newline. Rename from
4344 deps_dummy_targets for consistency.
4347 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4349 * calls.c (emit_library_call_value_1): Support
4350 INIT_CUMULATIVE_LIBCALL_ARGS.
4351 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4353 2001-01-04 Richard Henderson <rth@redhat.com>
4355 * c-decl.c (finish_struct): Detect flexible array members
4356 used in an inappropriate context.
4357 * c-typeck.c (really_start_incremental_init): Special case
4358 constructor_max_index for zero length arrays.
4359 (pop_init_level): Allow initialization of flexible array
4360 members. Deprecate initialization of zero length arrays.
4361 Don't issue missing initializer warning for flexible array
4362 members or zero length arrays.
4363 (process_init_element): Don't dereference null DECL_SIZE.
4364 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4365 Don't abort for empty constructors. Use size_binop
4366 (output_constructor): Add commentary regarding zero length
4367 array futures. Abort if we try to initialize an array of
4368 unspecified length with a non-empty constructor in the middle
4371 * extend.texi (Zero Length): Update and clarify documentation
4372 on static initialization.
4374 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4376 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4377 with more than 32767 words of local storage.
4379 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4381 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4382 for 'abs', 'labs', and 'fabs'.
4383 (c4x_expand_builtin): Likewise.
4384 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4386 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4388 * config/sh/sh.md (prget, prset): New insn types.
4389 (return delay slot): Dont' allow prset.
4390 (call, sfunc delay slot): Don't allow prget.
4391 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4392 for prset and prget.
4394 2001-01-05 Michael Hayes <mhayes@redhat.com>
4396 * loop.h (struct loop_reg): New.
4397 (struct loop_regs): Change to use array of `struct loop_reg'.
4398 * loop.c: Replace assortment of varrays with single regs array.
4399 (count_one_set): Delete may_not_move array argument
4400 and use regs array instead. All caller's changed.
4401 (count_loop_regs_set): Delete may_not_move and single_usage
4402 arguments and use regs array instead. All caller's changed.
4403 (find_single_use_in_loop): Replace usage array argument with pointer
4404 to regs structure. All caller's changed.
4405 (loop_optimize): Delete `moved_once' array.
4407 2001-01-05 Michael Hayes <mhayes@redhat.com>
4409 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4410 Use it instead of loop_info->has_call for scanning loop mems.
4411 (check_dbra_loop): Replace loop_info->has_call test with
4412 loop_info->has_nonconst_call.
4414 2000-01-04 Matthew Hiller <hiller@redhat.com>
4416 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4419 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4421 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4422 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4424 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4426 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4427 (flag_short_double, flag_short_wchar): Define.
4428 (c_common_nodes_and_builtins): Create many tree nodes shared
4429 between C and C++ here instead of in cp/decl.c and ...
4430 * c-decl.c (init_decl_processing): ... here.
4431 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4432 (flag_short_double, flag_short_wchar): Don't define.
4433 (record_builtin_type): New function.
4434 (build_void_list_node): New function.
4435 * c-common.h (flag_short_double, flag_short_wchar,
4436 record_builtin_type, build_void_list_node): Declare.
4438 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4440 * integrate.c (expand_inline_function): Don't put a virtual
4441 register into the reg map.
4443 * function.c (fixup_var_refs_1): If force_operand didn't put
4444 the address into the target, move it there.
4446 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4448 Special-case tree_decl/tree_list allocations.
4449 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4450 (OBJECT_SIZE): New macro.
4451 (NUM_EXTRA_ORDER): Likewise.
4452 (extra_order_size_table): New variable.
4453 (NUM_ORDERS): New macro.
4454 (objects_per_page_table): New variable.
4455 (object_size_table): New variable.
4456 (G.pages): Use NUM_ORDERS to bound the array.
4457 (G.page_tails): Likewise.
4458 (DIV_ROUND_UP): Remove.
4459 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4460 (alloc_page): Use OBJECT_SIZE.
4461 (size_lookup): Don't make it const.
4462 (ggc_alloc): Use OBJECT_SIZE.
4463 (ggc_set_mark): Likewise.
4464 (ggc_get_size): Likewise.
4465 (init_ggc): Set up the object_size_table, objects_per_page_table,
4466 and adjust size_lookup.
4467 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4468 (ggc_pop_context): Use NUM_ORDERS.
4469 (clear_marks): Likewise.
4470 (sweep_pages): Likewise.
4471 (poison_pages): Likewise.
4472 (ggc_print_statistics): Use OBJECT_SIZE.
4474 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4476 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4477 Only call array_size_for_constructor if last field and array type
4478 with no upper bound.
4480 2001-01-04 Philip Blundell <philb@gnu.org>
4482 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4483 from bit 31 downwards, if this requires no more insns.
4484 (count_insns_for_constant): New helper function for above.
4486 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4488 * gencodes.c (output_predicate_decls): Remove empty initializer.
4490 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4492 * tree.c (copy_node): Remove documentation about obstacks.
4493 (buidl1): Check that nobody tries to build 2-argument nodes this
4496 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4498 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4501 * gencodes.c (output_predicate_decls): Fill empty initializer
4504 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4506 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4507 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4509 (do_include): Handle missing headers like cpp0.
4510 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4511 paths with first include pathname. Don't strcat to uninitialized
4514 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4516 * regrename.c (regrename_optimize): Don't rename from frame pointer
4517 if frame_pointer_needed.
4518 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4519 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4520 (ia64_reorg): Use it instead of scheduling if ! optimize.
4521 (errata_emit_nops): Properly call asm_noperands.
4522 (ia64_sched_reorder): Finish cycle if we see an asm.
4523 (ia64_variable_issue): Clear scheduling state after asms.
4525 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4527 * cpp.texi: Update for -MT.
4528 * cppinit.c (initialize_dependency_output): Add a default
4529 target if none has been given already.
4530 (no_tgt, OPT_MT): New.
4531 (cpp_handle_option): Handle -MT. Update -M etc.
4532 * cpplib.h (struct cpp_options): Remove deps_target.
4533 * gcc.c (cpp_options): Handle -MT.
4534 * mkdeps.c (struct deps): Move from mkdeps.h.
4535 (deps_calc_target): Rename deps_add_default_target. Add a
4536 default target if none has been specified already.
4537 * mkdeps.h (struct deps): Move to mkdeps.c.
4538 (deps_calc_target): Rename deps_add_default_target.
4540 2000-01-03 Richard Henderson <rth@redhat.com>
4542 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4544 * c-typeck.c (push_init_level): Move checks for flexible array
4545 members and zero length arrays ...
4546 (pop_init_level): ... here. Silently discard empty initializations.
4548 * varasm.c (output_constructor): Update for sizeof change to
4551 * extend.texi (Zero Length): Clarify semantics.
4553 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4555 * configure.in (tm.h): Include isns-codes.h last.
4556 * configure: Rebuilt.
4558 2001-01-03 Richard Henderson <rth@redhat.com>
4560 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4561 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4563 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4565 * tradcpp.c (main): Make sure finclude() is called with a valid
4566 indepth value while handling -include.
4568 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4570 * gencodes.c (output_predicate_decls): New function.
4572 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4573 even if it is not the first time machmode.h is #included.
4574 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4575 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4576 * gcc.texi (Copyright): Added 2001.
4578 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4580 * c-common.c (c_common_lang_init): New function. Warn if format
4581 warning options which only have effects when used with -Wformat
4582 are used without -Wformat.
4583 * c-common.h (c_common_lang_init): Declare.
4584 * c-lang.c (lang_init): Call c_common_lang_init.
4585 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4587 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4589 * configure.in: Check for the mktemp command.
4590 * configure: Regenerate.
4591 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4592 $TEMP. Create temporary files with mktemp, if available at
4593 configure time; otherwise use set -C. Remove temporary files
4596 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4598 * configure.in: Require at least texinfo 4.0. Check for whether
4599 Pod::Man is sufficiently recent to regenerate GCC manpages.
4600 * configure: Regenerate.
4601 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4603 (GENERATED_MANPAGES): Define.
4604 (generated-manpages): New target. Depend on cpp.1 as well as
4606 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4607 configure to generated-manpages or empty) rather than on the
4608 manpages directly. Remove execute permission from installed
4609 gcov.1 as well as cpp.1.
4610 * cpp.1, gcov.1: Regenerate.
4612 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4614 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4615 tree_low_cst. Allow using cmpstrsi in more cases.
4617 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4619 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4622 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4624 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4625 * Makefile.in (HOST_CFLAGS): Mention build-make.
4627 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4629 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4632 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4634 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4637 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4640 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4641 reg_base_value and reg_known_value arrays.
4642 (init_alias_analysis): Add more cases to detect known values.
4643 * sched-deps.c (deps_may_trap_p): New function.
4644 (sched_analyze_2): Use it.
4646 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4648 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4649 don't discard an ASHIFTRT if we're shifting in a wider mode.
4651 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4653 * toplev.c (rest_of_compilation): Don't print basic block information
4654 when CFG isn't up to date.
4656 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4658 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4659 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4660 (UNALIGNED_SHORT_ASM_OP): Define.
4661 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4663 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4665 * fold-const.c (fold_convert): Fix typo.
4667 2001-01-02 Richard Henderson <rth@redhat.com>
4669 * c-common.h (ASM_INPUT_P): New.
4670 * c-parse.in (asm): Set it when needed.
4671 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4672 existance of an operand.
4674 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4676 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4677 (dwarf2out_frame_debug_expr): Likewise.
4678 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4680 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4682 * i386.c (ix86_split_to_parts): Return number of part required;
4684 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4686 (ix86_split_long_move): Use number of part returned
4687 by ix86_split_to_parts
4688 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4690 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4691 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4692 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4693 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4694 (ALIGN_MODE_128): Add TFmode.
4695 (IS_STACK_MODE): Likewise.
4696 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4697 (HARD_REGNO_OK): Support TFmodes.
4698 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4699 * i386.md (scheduler definitions): Use memory operand to determine
4700 fst/fld instructions; use mode attribute to determine real mode of
4702 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4703 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4705 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4707 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4709 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4711 * expr.c (store_constructor_field): Update ALIGN before calling
4714 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4716 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4719 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4721 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4724 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4726 * c-decl.c (start_function): Don't warn on third parameter to main.
4728 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4730 * tsystem.h: Define HAVE_DECL_GETOPT.
4732 2001-01-02 Philip Blundell <pb@futuretv.com>
4734 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4737 2001-01-02 Richard Henderson <rth@redhat.com>
4739 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4741 2001-01-02 Andreas Jaeger <aj@suse.de>
4743 * c-decl.c (c_decode_option): Remove support of
4746 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4747 (W_options): Add -Wmissing-noreturn here.
4749 * flow.c: Define lang_missing_noreturn_ok_p.
4750 (check_function_return_warnings): Use it.
4752 * c-common.h: Declare lang_missing_noreturn_ok_p.
4754 * c-lang.c (c_missing_noreturn_ok_p): New function.
4755 (lang_init): Set lang_missing_noreturn_ok_p.
4757 * invoke.texi (Warning Options): Document this.
4759 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4761 * extend.texi (C++ Extensions): New node for C++ attributes;
4762 describe init_priority and com_interface.
4763 * invoke.texi: Remove -finit-priority as it now has zero effect.
4764 * install.texi: Fix xref syntax.
4765 * md.texi: Likewise.
4767 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4769 * config.gcc (sparc64-wrs-vxworks*): New case.
4770 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4772 * config/sparc/sparc.c (sparc_override_options): Do support different
4773 pointer and architecture size.
4774 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4775 (POINTERS_EXTEND_UNSIGNED): Define.
4776 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4777 (FUNCTION_MODE): Define to be Pmode.
4778 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4780 * function.c (expand_function_end): Properly handle DECL_RESULT
4781 and copy when ptr_mode != Pmode.
4782 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4784 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4786 * c-common.c (c_common_nodes_and_builtins): Set prototype
4787 parameters for __builtin_fputs, __builtin_fputc and
4788 __builtin_fwrite. Don't declare plain fputc as a builtin.
4790 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4792 * loop.c (add_label_notes): Increment the label usage count when
4793 a note is added to an insn which refers to a CODE_LABEL.
4794 * gcse.c (add_label_notes): Likewise.
4796 2001-01-01 Andreas Jaeger <aj@suse.de>
4798 * loop.c (scan_loop): Use xmalloc to allocate movables.
4800 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4802 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4803 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4804 * reload1.c (REGISTER_MOVE_COST): Likewise.
4805 * regclass.c (REGISTER_MOVE_COST): Likewise.
4806 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4807 dimension. Adjust all users.
4808 (init_reg_sets_1): Iterate on all modes.
4809 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4810 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4811 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4812 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4813 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4814 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4815 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4816 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4817 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4818 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4819 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4820 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4821 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4822 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4823 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4824 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4825 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4826 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4827 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4828 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4829 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4830 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4831 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4832 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4833 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4834 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4835 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4837 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4839 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4840 arg VARIES_P. Call it with extra arg.
4841 (true_dependence): Likewise.
4842 * rtl.h (rtx_addr_can_trap_p): Declare.
4843 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4845 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4846 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4847 pic offset table register if it's zero. All callers changed.
4848 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4850 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4852 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4853 STRING_POOL_ADDRESS_P.
4855 * config/sparc/sparc.c (input_operand): Properly test for short op.
4857 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4858 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4859 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4860 * config/sparc/elf.h: No longer include sol2.h.
4861 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4862 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4864 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4866 2001-01-01 Michael Hayes <mhayes@redhat.com>
4868 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4869 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4870 (record_initial): Likewise.
4871 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4872 (remap_split_bivs): Likewise.
4874 2001-01-01 Michael Hayes <mhayes@redhat.com>
4876 * loop.c (loop_ivs_free): New function.
4877 (strength_reduce): Break out from...
4879 2001-01-01 Michael Hayes <mhayes@redhat.com>
4881 * loop.h (struct iv): New.
4882 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4883 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4884 'reg_biv_class' fields with 'regs' and 'n_regs'.
4885 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4886 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4887 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4889 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4891 * resource.c (mark_referenced_resources): Abort() before
4892 attempting to mark a pseudo register.
4893 (mark_set_resources): Likewise.
4895 2001-01-01 Michael Hayes <mhayes@redhat.com>
4897 * loop.h (REG_IV_CLASS): New accessor macro.
4898 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4899 * unroll.c (REG_IV_CLASS): Likewise.
4901 See ChangeLog.4 for earlier changes.