1 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4 for HOST_BITS_PER_WIDE_INT == 32 too.
6 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
10 (insert_save, insert_restore): New parameter save_mode.
11 (init_caller_save): Update initialization of reg_save_code
13 (save_call_clobbered_regs): Compute save_modes and update calls to
14 reg_save_code and reg_restore_code.
15 (insert_restore): Unsignetize numbers; use save_modes to choose mode
16 of spill; update use of reg_restore_code.
17 (insert_save): Likewise.
18 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
19 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
20 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
22 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
24 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
25 noce_try_store_flag_inc, noce_try_store_flag_mask,
26 noce_try_cmove_arith):
27 Use reversed_comparison_code instead of reverse_comparison and
28 can_reverse_comparison_p.
30 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
32 * jump.c (reversed_comparison_code_parts): Allow reversal of
33 unordered compares in -ffast-math mode; reverse ordered compares
34 for FP even w/o -ffast-math.
36 2001-02-27 Richard Henderson <rth@redhat.com>
38 * print-rtl.c (print_rtx) [i]: Don't print field five on
39 NOTEs other than NOTE_INSN_DELETED_LABEL.
41 2001-02-27 Zack Weinberg <zackw@stanford.edu>
43 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
44 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
46 2001-02-27 Diego Novillo <dnovillo@redhat.com>
48 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
49 even if walk_subtrees is 0.
50 * c-semantics.c (prune_unused_decls): Return a non-null value to
51 stop traversing the tree chain.
53 2001-02-27 DJ Delorie <dj@redhat.com>
55 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
56 register, *then* define it as the new CFA.
58 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
60 * pa.c (override_options): Promote -fpic to -fPIC.
61 (legitimize_pic_address): Simplify due to removal of
62 small PIC as a code generation option.
63 (secondary_reload_class): Similarly.
64 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
65 (PRINT_OPERAND_ADDRESS): Similarly.
66 * pa.md (various patterns): Similarly.
67 (small pic lo_sum pattern): Remove.
69 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
72 * md.texi (min, max): Document
74 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
76 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
77 TARGET_PARTIAL_REG_DEPENDENCY.
78 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
80 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
82 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
84 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
86 * mips.c (mips_make_temp_file): Fix thinko in last change.
88 2001-02-26 Jason Eckhardt <jle@redhat.com>
90 * combine.c (known_cond): Do not reverse the condition when
91 SMAX/UMAX is being considered and the condition is for equality
94 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
96 2001-02-26 Philip Blundell <philb@gnu.org>
98 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
100 * config/arm/linux-elf.h: Remove historical relics related to
101 above configurations.
102 * config/arm/linux-oldld.h: Delete.
103 * config/arm/linux-elf26.h: Delete.
105 2001-02-26 Jason Merrill <jason@redhat.com>
107 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
109 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
110 recognize a tentative definition. Lose obsolete code.
112 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
113 variables unless necessary, either.
115 2001-02-25 Richard Henderson <rth@redhat.com>
117 * ifcvt.c (struct noce_if_info): Add test_bb.
118 (noce_get_alt_condition): New.
119 (noce_try_minmax, noce_try_abs): New.
120 (noce_operand_ok): New.
121 (noce_process_if_block): Use them.
122 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
124 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
126 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
129 2001-02-25 Zack Weinberg <zackw@stanford.edu>
131 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
132 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
134 (mips_asm_file_end): Free temp_filename here.
136 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
138 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
139 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
141 * config/i386/i386.md (movstrsi): Handle FAIL case.
143 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
145 * cppinit.c (builtin_array): Update.
146 (init_builtins): Flag builtins to warn if redefined or
147 undefined. Define __GXX_WEAK as a normal macro.
148 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
149 * cpplib.h (NODE_WARN): New flag.
150 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
151 Handle __STDC__ as a builtin only on Solaris.
152 (warn_of_redefinition): Renamed from check_macro_definition.
153 Reverse sense of test. Always warn if NODE_WARN.
154 (_cpp_create_definition): Use warn_of_redefinition. Flag
155 any macro beginning with "__STDC_" to require a mandatory
156 warning if redefined or undefined.
158 2001-02-24 Zack Weinberg <zackw@stanford.edu>
160 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
161 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
162 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
163 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
164 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
165 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
167 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
168 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
169 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
170 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
171 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
173 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
174 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
177 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
178 Delete now-empty file.
180 * alpha/vms.h: Define NEED_ATEXIT here...
181 * alpha/xm-vms.h: ...not here.
183 * i386/cygwin.h: Don't define PARAMS.
184 * mips/mips.c: Don't prototype mktemp. Don't define
185 P_tmpdir. Use make_temp_file to create temporary files.
186 Don't be clever and delete temporary files early.
187 * config.gcc: Drop references to deleted files. Don't define
189 * gcc.texi: Don't mention USE_PROTOTYPES.
191 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
193 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
194 (ix86_set_move_mem_attrs_1): Likewise.
195 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
196 * config/i386/i386.md (movstrsi): Call it.
198 2001-02-24 Zack Weinberg <zackw@stanford.edu>
200 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
201 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
202 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
203 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
205 (i750a-*-*): Error here if hosting on i750a.
206 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
208 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
209 Remove (empty modulo comments).
211 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
212 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
213 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
214 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
215 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
216 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
218 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
219 Remove reference to winnt.h in comment.
220 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
222 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
224 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
225 used to set another biv.
227 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
229 * tree.h (BLOCK_DEAD): New macro.
230 (struct tree_block): New flag, dead_flag.
231 * print-tree.c (print_node, case 'b'): Print missing fields.
232 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
233 * function.c (identify_blocks): Enable test for misplaced notes.
234 (all_blocks): Skip BLOCK_DEAD blocks.
235 * integrate.c (integrate_decl_tree): Likewise.
237 * errors.c (internal_error, trim_filename): New functions.
238 (fancy_abort): Call internal_error.
239 * errors.h (internal_error, trim_filename): New declarations.
241 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
243 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
245 (EXTRA_CONSTRAINT): Formatting changes.
247 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
249 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
251 2001-02-23 Per Bothner <per@bothner.com>
253 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
254 so they can be called from java/jvspec.c.
255 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
257 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
259 * i386.c (ix86_frame): New structure.
260 (ix86_compute_frame_size): Kill.
261 (ix86_compute_frame_layout): New.
262 (ix86_save_reg): New.
263 (ix86_can_use_return_insn_p): Use frame layout stuff.
264 (ix86_expand_prologue): Likewise.
265 (ix86_expand_epilogue): Likewise.
266 (ix86_initial_elimination_offset): Likewise.
267 (ix86_nsaved_regs): Use ix86_save_reg.
268 (ix86_emit_save_regs): Likewise.
270 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
272 * flow.c (find_sub_basic_blocks): New function.
273 (split_block): Be ready for basic block introduced by CODE_LABEL.
274 (commit_one_edge_insertion): Call find_sub_basic_block.
276 * flow.c (make_edges): Add edge from entry for blocks starting with
277 label having ALTERNATE_NAME
279 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
281 * function.c (epilogue_done): Be ready for first basic block not
282 containing PROLOGUE_END note.
283 (reposition_prologue_and_epilogue_notes): Avoid placing
284 PROLOGUE_END note between BASIC_BLOCK.
286 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
288 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
290 2001-02-21 DJ Delorie <dj@redhat.com>
292 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
293 check for current_function_has_nonlocal_goto from 1999-11-12.
295 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
297 * diagnostic.c (trim_filename): No longer static.
298 * toplev.h (trim_filename): Declare.
299 * rtl.c (rtl_check_failed_bounds): Call internal_error.
300 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
301 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
302 (rtvec_check_failed_bounds): Likewise.
303 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
305 * convert.c (convert_to_integer): Don't do unsigned unless result or
306 both inputs are unsigned.
308 * fold-const.c (fold_convert): Don't call size_int_type_wide if
311 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
313 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
315 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
317 * Makefile.in (resource.o): Add params.h dependence.
318 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
319 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
320 * resource.c: Add dependence on params.h.
321 (current_live_regs): Fix explanatory comment.
322 (find_basic_block): Add new parameter to permit limiting search
324 (mark_target_live_regs): Add new argument to find_basic_block call.
325 (incr_ticks_for_insn): Likewise.
327 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
329 * diagnostic.c (output_to_stream): Rename to
330 output_buffer_to_stream. Loses the stream parameter.
331 (init_output_buffer): Set diagnosic_buffer's stream.
332 (flush_diagnostic_buffer): Adjust.
333 (default_print_error_function): Likewise.
334 (finish_diagnostic): Likewise.
335 (verbatim): Likewise.
337 * diagnostic.h (struct output_buffer): Add `stream' field.
338 (output_buffer_attached_stream): New macro.
340 2001-02-23 Jakub Jelinek <jakub@redhat.com>
342 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
343 check if either operand is divisible by C.
344 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
345 If type is signed, consider negative numbers as well.
347 2001-02-22 Richard Henderson <rth@redhat.com>
349 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
350 reach .text instead of gp-relative relocs.
351 * config/ia64/crtend.asm (.init): Likewise.
353 2001-02-22 Andreas Jaeger <aj@suse.de>
355 * extend.texi (C++ Attributes): Fix typo.
357 2001-02-21 David Mosberger <davidm@hpl.hp.com>
359 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
360 functions, drop current_function_args_info.words test.
361 (ia64_compute_frame_size): Mark syscall_linkage functions as
362 using eight input registers.
364 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
365 Bruce Korb <bkorb@gnu.org>
367 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
368 * fixinc/README: Document how to convert sed substitutions
369 to format style c_fix-es.
370 * fixinc/fixincl.x: regen
372 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
374 * gcc.c: Add comment explaining how to add a command-line option.
375 Add title to specs language comment.
377 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
379 * gcc.c (cc1_options): Add "-param".
380 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
381 (option_map): Likewise.
382 * toplev.c (display_help): Add entry for "--param".
383 (independent_decode_option): Fix typographical error.
385 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
386 Bernd Schmidt <bernds@redhat.com>
387 Jan Hubicka <jh@suse.cz>
389 * i386.c (function_arg_advance): Pass SSE arguments in registers.
390 (function_arg): Likewise.
392 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
394 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
396 2001-02-21 Kazu Hirata <kazu@hxi.com>
398 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
402 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
404 * flow.c (init_propagate_block_info): Canon address and use single_set
405 for killing dead memory stores.
407 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
409 * Makefile.in (reorg.o): Add params.h dependence.
410 * params.def: Fix typographical error in comment.
411 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
412 * params.h: Modify introductory comment.
413 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
414 * reorg.c: Add dependence on params.h.
415 (redundant_insn): Add parameterized throttle for search.
416 (fill_simple_delay_slots): Add a comment explaining a variable.
417 Move conditional out of loop, simplifying code.
418 (fill_eager_delay_slots): Fix typographical error in comment.
420 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
422 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
424 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
425 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
427 2001-02-21 Jason Merrill <jason@redhat.com>
429 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
430 (struct tree_decl): Add uninlinable bitfield.
431 * c-decl.c (duplicate_decls): Set it.
432 * integrate.c (function_cannot_inline_p): Check it.
434 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
435 DW_AT_MIPS_linkage_name to abstract methods.
436 (dwarf2out_abstract_function): Emit class context before calling
437 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
438 (gen_subprogram_die): Remove obsolete code.
439 (gen_member_die): Don't include clones in the member list.
440 (gen_decl_die): Emit abstract info for clone origin.
441 * dwarfout.c (output_type): Don't include clones in the member list.
442 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
443 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
444 DECL_ABSTRACT on a function that already has it set.
446 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
447 (get_subprogram_die): Pass it in.
449 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
451 * flow.c (mark_set_1): Make not_dead unsigned long. For
452 non-pseudos, use it as a bitmask of the hard regs that
455 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
457 * cppfiles.c: Update comments.
458 (_cpp_read_file): Don't check for NULL filenames any more.
459 * cppinit.c (cpp_start_read): Don't do canonicalization of
460 in_fname and out_fname. Use the passed file name exclusively.
461 (_cpp_handle_options): Don't treat "-" as a command line option,
462 but as a normal filename.
463 (_cpp_post_options): Canonicalize in_fname and out_fname.
464 * cppmain.c (printer_init): Don't check out_fname for NULL.
465 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
466 (init_c_lex): Update, and use "" to represent stdin to CPP.
469 2001-02-20 Will Cohen <wcohen@redhat.com>
471 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
472 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
473 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
476 2001-02-20 Stan Shebs <shebs@apple.com>
478 * config/rs6000/rs6000.c (output_cbranch): Output branches
479 on separate lines instead of using ';' to separate.
481 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
483 * cppinit.c (set_lang): Move builtin handling to...
484 (init_builtins): ...here.
485 (_cpp_create_reader): Move call to set_lang.
487 2001-02-20 Mark Mitchell <mark@codesourcery.com>
489 * stmt.c (expand_return): If an attempt is made to return the
490 error_mar_node, treat the return like a return without a value.
492 2001-02-19 Zack Weinberg <zackw@stanford.edu>
494 * sibcall.c (skip_copy_to_return_value): Call
495 identify_call_return_value here, and return orig_insn if it
496 returns zero. Hardret and softret arguments now unnecessary.
497 (call_ends_block_p): Don't call identify_call_return_value here.
499 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
501 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
502 * ggc.h (ggc_mark_if_gcable): Delete prototype.
504 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
506 * pa.c (move_operand): Accept code to load the address of a
507 symbol out of the DLT as a valid move operand.
508 (print_operand, case 'A'): New to handle generating a DLT
509 reference for a LO_SUM expression.
510 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
511 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
513 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
515 * README, cpp.texi, gcc.texi, version.c: Update version number to
517 * cpp.1, gcov.1, gcc.1: Regenerate.
519 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
521 * cppfiles.c (stack_include_file): Generate dependencies
522 here, and manage include_count here too.
523 (PRINT_THIS_DEP): Delete.
524 (_cpp_execute_include): Do not generate dependencies here,
525 apart from the case of a missing header. Do not manage
527 (_cpp_read_file): Leave dependency generation to
530 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
532 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
533 target_cpu_default. Remove dead assignment to
536 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
538 * regclass.c (contains_reg_of_mode): Make global.
539 (init_reg_sets): Remove contains_reg_of_mode; take into account
540 CLASS_MAX_NREGS when looking for the proper mode.
541 (dump_regclass): Dump only classes considered for the pseudo.
542 (regclass): Use contains_reg_of_mode.
544 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
546 * gcc.c (do_spec_1): 'n' for printing notices.
547 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
549 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
551 * reg-stack.c (next_flags_user): Use current_block->end
552 (swap_rtx_condition): Look for next user if flags don't die;
553 give up on CALL_INSNs; use current_block->end.
555 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
557 * sibcall.c (call_ends_block_p): New function.
558 (optimize_sibling_and_tail_recursive_call): Use it.
560 2001-02-18 Kazu Hirata <kazu@hxi.com>
562 * config/h8300/h8300.md: Update copyright.
563 (andsi3): Do not output an extra newline character.
565 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
567 * toplev.c (note_deferral_of_defined_inlined_function): Argument
568 FNDECL may be unused.
570 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
571 follow jumps after first run.
572 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
573 it doesn't change any jumps.
575 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
577 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
578 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
579 (mostlyclean): Corresponding changes.
580 * rtlanal.c (hard-reg-set.h): Include.
581 (rtx_unstable_p): Do not treat the argument pointer specially
582 if it is not a fixed register.
583 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
585 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
587 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
588 against last real insn in basic block.
589 Rework to avoid gotos.
591 * Makefile.in (gcse.o): Now includes ggc.h.
592 * gcse.c: Include ggc.h.
593 (want_to_gcse_p): Verify expression can be in SET as valid insn.
594 (try_replace_reg): Remove warning of uninitialize variable.
595 (process_insert_insn): Call invalid_insn_p to validate insn.
596 * recog.c (insn_invalid_p): Now global.
597 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
598 * recog.h (insn_invalid_p): New declaration.
600 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
602 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
603 assignments from FP constants since 'Y' output code can't handle it.
604 (eligible_for_sibcall_delay): Likewise.
606 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
607 Call fancy_abort directly, passing args.
608 (print_rtl_and_abort): Now a macro, like fancy_abort.
610 * final.c (output_operand_lossage): Use internal_error, not error.
612 2001-02-18 Shane Nay <shane@agendacomputing.com>
614 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
615 structure shift insns.
617 2001-02-18 Mark Mitchell <mark@codesourcery.com>
619 * invoke.texi (-fsquangle): Remove documentation.
620 (-fname-mangling-version): Likewise.
622 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
624 * optabs.c (expand_abs): Remove reference to
625 HAVE_contitional_arithmetic.
626 * combine.c (simplify_set): Likewise.
628 2001-02-18 Richard Henderson <rth@redhat.com>
630 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
633 2001-02-18 Richard Henderson <rth@redhat.com>
635 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
637 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
639 * reload1.c (reload_cse_simplify_set): Fix typo.
641 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
643 * diagnostic.c (_fatal_insn): Decrement errorcount.
645 * invoke.texi (-I): Add note avoiding use for system header files.
647 * rtl.h (add_clobbers): Remove duplicate declaration.
648 * recog.h (added_clobbers_hard_reg_p): New declaration.
649 * genemit.c (struct clobber_pat): New field has_hard_reg.
650 (gen_insn): Record if added clobbers clobber hard reg.
651 (gen_split): Avoid unused warning if number of operands is 0.
652 (output_added_clobbers_hard_reg_p): New function.
655 2001-02-18 Alan Modra <alan@linuxcare.com.au>
657 * pa.c (hppa_expand_prologue): Simplify code storing return
658 pointer. For large (>=8k) frames with a post_store, adjust stack
659 pointer by 8k-64 first rather than by 64. When testing with
660 VAL_14_BITS_P, always use the actual value rather than the value
661 negated. Add blockage to prevent scheduling of spills before
662 stack frame has been created.
663 (hppa_expand_epilogue): Simplify code loading return pointer.
664 Allow a slightly larger range for merge_sp_adjust_with_load case.
665 When testing with VAL_14_BITS_P, always use the actual value.
667 * pa.c (pa_adjust_insn_length): Check that block move
668 pattern is a set before looking at operands.
670 2001-02-17 Mark Mitchell <mark@codesourcery.com>
672 * fold-const.c (fold_binary_op_with_conditional_arg): New
673 function, split out from ...
675 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
676 conditional arms that throw exceptions.
678 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
681 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
683 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
684 define HAVE_DECL_* to 1 to mask potential backup declarations.
685 * configure: Regenerated.
687 2001-02-17 Mark Mitchell <mark@codesourcery.com>
689 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
691 2001-02-17 Richard Henderson <rth@redhat.com>
693 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
694 when replacing a memory load with a register.
696 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
697 Jan Hubicka <jh@suse.cz>
699 * recog.c (validate_replace_src_1): New.
700 (validate_replace_src_data): Likewise.
701 (validate_replace_src): Use note_uses.
702 * rtl.h (note_uses): Declare.
703 * rtlanal.c (note_uses): New.
705 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
707 * reg-stack.c (stack_def): Make field reg unsigned.
708 (remove_regno_note): Unsignetize parameter.
710 2001-02-16 Jes Sorensen <jes@linuxcare.com>
712 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
713 shladd_operand() call.
715 2001-02-16 Bruce Korb <bkorb@gnu.org>
716 Rodney Brown <RodneyBrown@mynd.com>
718 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
719 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
721 * fixinc/fixincl.x: regen
723 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
725 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
727 (hash_scan_insn): Clean up calls to hash_scan_set.
728 (compute_kill_rd): REGNO now unsigned.
729 (try_replace_reg): Rework to use simplify_replace_rtx.
730 (cprop_jump, cprop_cc0_jump): Likewise.
731 (cprop_insn): Call find_reg_equal_equiv_note.
732 Reflect changes to cprop_jump and cprop_cc0_jump.
734 * recog.c (validate_replace_src): Replace in operands of
735 ZERO_EXTRACT in SET_DEST.
737 * cse.c (new_label_ref): New variable.
738 (insert): Set it instead of recorded_label_ref.
739 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
740 CODE_LABEL for this function, and not already in REG_LABEL note.
742 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
744 * resource.c (mark_referenced_resources): Fix typo in introductory
746 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
749 2001-02-16 Jason Merrill <jason@redhat.com>
751 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
753 (gen_subprogram_die): Don't abort on seeing a second definition if
754 the previous one was abstract. Don't replace an abstract instance
757 * dwarf2out.c (dwarf2out_abstract_function): Rename from
758 gen_abstract_function.
759 * dwarf2out.h: Declare it.
760 * toplev.c (note_outlining_of_inline_function): New fn.
761 * toplev.h: Declare it.
762 * integrate.c (output_inline_function): Call it.
763 * c-decl.c (duplicate_decls): Call it when redefining an extern
764 inline. Don't inline the new defn.
766 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
768 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
770 * .gdbinit: Rename to gdbinit.in.
771 * gdbinit.in: New file,
772 * configure.in: Generate .gdbinit from gdbinit.in.
773 * configure: Regenerated.
774 * Makefile.in (distclean): Always remove .gdbinit.
776 2001-02-16 Jakub Jelinek <jakub@redhat.com>
778 * objc/objc-act.c (start_class): Register implemented_classes with
781 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
783 * cppfiles.c (_cpp_make_system_header): Generate a file
786 2001-02-15 Jim Meyering <meyering@lucent.com>
788 * Makefile.in (install-common): Don't depend on installdirs here.
789 Instead, make each of the lang.install-common targets (e.g.,
790 c++.install-common in cp/Make-lang.in) depend on it.
791 (install-driver): Depend on installdirs.
793 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
795 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
797 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
800 2001-02-15 Mark Mitchell <mark@codesourcery.com>
802 * invoke.texi (--param): Document.
804 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
806 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
808 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
810 * i386.md (extendsfdf2_2): Fix constraints.
812 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
814 * i386.md (fop_df_3 splitter): Fix operand number.
816 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
818 * invoke.texi (-mreg-alloc): Nuke.
819 * i386.c (ix86_reg_alloc_order, regs_allocated,
820 order_regs_for_local_alloc): Nuke.
821 (override_options): Kill reg_alloc code.
822 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
823 (REG_ALLOC_ORDER): SSE goes before I387.
824 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
825 (ix86_reg_alloc_order): Likewise.
826 * i386-protos.h (ix86_reg_alloc_order): Kill.
828 2001-02-14 Richard Henderson <rth@redhat.com>
830 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
832 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
834 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
836 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
838 * i386-protos.h (ix86_memory_move_cost): Move offline.
839 * i386.c (ix86_register_move_cost): Compute properly cost of
840 SSE, MMX and i387 instructions.
841 (*_cost): Add costs of SSE/MMX moves.
842 (ix86_memory_move_cost): Move offline from ....; Likewise.
843 * i386.h (MEMORY_MOVE_COST): .... here;
844 (struct processor costs): Add new fields to represent costs
847 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
849 * regclass.c (init_reg_sets_1): Reinstall the optimization of
850 move_cost together with Matt Kraai's fix.
852 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
854 * Makefile.in (OBJS): Add params.o.
856 2001-02-14 Richard Henderson <rth@redhat.com>
857 DJ Delorie <dj@redhat.com>
859 * jump.c (jump_optimize_1): When we delete a conditional jump
860 preceeding a non-conditional jump to effectively the same place,
861 make sure that the combined jump skips any clobber insns between
864 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
866 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
868 2001-02-14 Mark Mitchell <mark@codesourcery.com>
870 * Makefile.in (toplev.o): Depend on params.h.
871 (intergate.o): Likewise.
872 (params.o): New target.
873 * flags.h (inline_max_insns): Remove.
874 * integrate.c: Include params.h.
875 Use MAX_INLINE_INSNS instead of inline_max_insns.
876 * params.c: New file.
877 * params.h: Likewise.
878 * params.def: Likewise.
879 * toplev.c: Include params.h.
880 (lang_independent_params): New variable.
881 (decode_f_option): Use the param machinery instead of setting
883 (independent_decode_option): Handle "--param name=value".
884 (main): Register language-independent parameters.
886 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
888 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
890 2001-02-14 Richard Henderson <rth@redhat.com>
892 * regclass.c (init_reg_sets_1): Revert last two changes.
894 2001-02-14 Jakub Jelinek <jakub@redhat.com>
896 * stor-layout.c (is_pending_size, put_pending_size): New functions.
897 (variable_size): Call put_pending_size.
898 * tree.h (is_pending_size, put_pending_size): Add prototypes.
899 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
900 sizes list, put newly created SAVE_EXPR there as well.
902 2001-02-14 Jakub Jelinek <jakub@redhat.com>
904 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
905 (errata_find_address_regs): load_group has only 2 entries.
906 (errata_emit_nops): Likewise. shladd is not problematic.
907 Clear last_group if nop was emitted.
908 (fixup_errata): load_group has only 2 entries.
911 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
913 * c-lex.c (lex_number): Only warn traditionally for U suffix
914 outside system macros.
915 * cppexp.c (parse_number): Similarly.
916 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
917 * cppmacro.c (struct cpp_macro): New member node.
918 (parse_args): Only warn about missing rest args if not
920 (funlike_invocation_p): Similarly for uninvoked funlike macros.
921 (cpp_sys_objmacro_p): New.
922 (_cpp_create_definition): Store the node with the macro defn.
923 Remember if the macro is defined in a system header.
925 2001-02-13 DJ Delorie <dj@redhat.com>
927 * configure.in (check_languages): determine languages to check
928 * Makefile.in (check-c++): alias for check-g++
929 (check-f77): alias for check-g77
930 (CHECK_TARGETS): depend on configured languages
932 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
934 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
935 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
936 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
937 (sqrtextendsfdf2): Disable for SSE2.
939 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
941 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
942 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
943 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
944 (sqrtextendsfdf2): Disable for SSE2.
946 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
948 * i386.md (movsfcc_1): Support integer cmove instruction.
949 (movdfcc_1): Likewise; new splitter.
951 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
953 * i386.c (output_fp_compare): Support SSE.
954 (prepare_fp_compare_args): SSE comparisons always support memory.
955 * i386.h (TARGET_CMOVE): SSE imply cmove.
956 * i386.md (cmp?f2): Enable for SSE too.
957 (cmpfp_i*): Support SSE.
959 (cmpfp_i_sse_only): New.
960 (s*, b* fp expanters): Enable for SSE too.
961 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
964 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
966 * regclass.c (init_reg_sets_1): Silence warning.
968 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
970 * i386.md (sqrt?f2): Change to expander.
971 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
973 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
975 * rtlanal.c (find_reg_equal_equiv_note): New function.
976 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
977 (simplify_gen_relational, simplify_replace_rtx): Likewise.
978 * rtl.h: Add declarations for above functions.
980 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
982 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
984 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
985 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
986 * flow.c (mark_regs_live_at_end): Likewise.
987 (calculate_global_regs_live): Likewise.
988 * gcse.c (compute_hash_table): Likewise.
989 (compute_kill_rd): Likewise.
990 * resource.c (mark_target_live_regs): Likewise.
991 * rtl.h (INVALID_REGNUM): New macro.
993 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
995 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
997 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
999 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1002 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1004 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1006 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1007 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1008 (fop_sf_1_sse, fop_df_1_sse): New patterns
1009 (fop_*): Disable float_extend and float patterns for SSE compilation.
1010 * i386.c (output_387_binary_op): Support SSE.
1012 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1014 * i386.md (dummy_extendsfdf2): Support SSE2
1015 (extendsfdf2): Enable if 80387 or SSE2.
1016 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1017 and no MIX_I387_SSE2
1018 (extendsfdf2_1_sse_only): New pattern.
1019 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1021 (truncdfsf2_1): Support SSE.
1022 (truncdfsf2_2): Support SSE.
1023 (truncdfsf2_2_1_sse): New pattern.
1024 (fixtruncsfsi2): Always use SSE if available.
1025 (fix_truncsfsi_sse): New pattern.
1026 (fix_truncdfsi_sse): New pattern.
1027 (floatsis?f2): Support SSE.
1028 (floatsidf2_i387): New pattern.
1029 (floatsidf2_sse): Likewise.
1031 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1033 * configure.in: Use "have_gnat" variable, not "gnat".
1034 * configure: Regenerated.
1036 * config/sparc/sparc.c (function_value): Treat all non-record
1037 aggregate types like used to treat UNION_TYPE.
1039 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1041 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1042 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1044 (MASK_MIX_SSE_I387): New.
1045 (TARGET_SSE): SSE2 imply SSE.
1046 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1047 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1048 (enum reg_class): Add new classes.
1049 (REG_CLASS_NAMES): Likewise.
1050 (REG_CLASS_CONTENTS): Likewise.
1051 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1052 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1053 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1054 (CLASS_MAX_NREGS): Use new macros.
1055 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1056 * i386.md (pushsf, movsf): Support SSE.
1057 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1058 splitters to use ANY_FP_REGNO_P.
1059 (movdf_nointeger, movdf_integer): Likewise.
1061 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1063 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1064 (try_combine): Use it.
1066 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1068 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1069 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1070 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1071 (REGISTER_MOVE_COST): Likewise.
1072 * i386-protos.h (ix86_secondary_memory_needed,
1073 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1074 * i386.c (ix86_secondary_memory_needed,
1075 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1077 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1079 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1080 (HARD_REGNO_MODE_OK): Move offline to ....
1081 * i386.c (ix86_hard_regno_mode_ok) ... here;
1082 refuse all incorrect modes.
1083 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1085 2001-02-13 Richard Henderson <rth@redhat.com>
1087 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1088 entire operator; replicate that and match_dup the operands.
1089 (cmp_ccx_arith_op_set): Likewise.
1090 (cmp_cc_arith_op_not_set): Likewise.
1091 (cmp_ccx_arith_op_not_set): Likewise.
1093 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1095 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1097 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1099 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1100 (TARGET_NO_BITFIELD_WORD): New macro.
1101 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1102 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1104 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1106 * cselib.c: New file, from simplify-rtx.c.
1107 * simplify-rtx.c: Remove cselib parts.
1108 * Makefile.in: Add cselib.o.
1110 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1112 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1113 (setup_incoming_varargs): Remove warning.
1115 * config/rs6000/rs6000.c (validate_condition_mode): When
1116 flag_fast_math, allow floating-point conditionals to be reversed.
1117 (rs6000_generate_compare): When flag_fast_math, don't generate
1118 cror operations for FP conditionals.
1120 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1122 (ASM_SPEC): Likewise.
1123 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1124 (CC1_SPEC): Likewise.
1125 (LINK_TARGET_SPEC): Likewise.
1126 (CPP_ENDIAN_SPEC): Likewise.
1127 * Makefile.in (check-consistency): New target.
1129 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1131 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1132 "return type defaults" warning for functions with return type
1134 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1135 function declarations by default rather than only when pedantic.
1137 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1139 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1142 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1144 * extend.texi (Deprecated): Deprecate new initializer lists.
1146 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1148 * mkdeps.c (deps_add_default_target): Robustify. Add
1149 basename component only.
1150 * cpp.texi (-M): Describe how default target is generated.
1151 * invoke.texi (-M): Likewise.
1153 2001-02-12 Kazu Hirata <kazu@hxi.com>
1155 * toplev.c (push_float_handler): Remove.
1156 (pop_float_handler): Remove.
1157 * toplev.h: Remove prototypes for the above functions.
1159 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1161 * c-common.c (constant_fits_type_p): New function.
1162 (convert_and_check): Use it.
1164 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1166 * Makefile.in (GXX_ABI_FLAG): Don't define.
1167 * configure.in (--enable-new-gxx-abi): Remove option.
1168 * config.in: Regenerated.
1169 * configure: Likewise.
1171 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1173 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1175 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1176 regular basic block, and arrange for all edges into it to switch
1179 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1181 * Makefile.in (distclean): Do not remove .gdbinit.
1183 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1185 * Makefile.in (gcc.o): Fix typos.
1186 (protize.o): Likewise.
1187 (unprotoize.o): Likewise.
1189 2001-02-11 Richard Henderson <rth@redhat.com>
1191 * tree.c (build1): Check for null operand in last change.
1193 2001-02-11 Richard Henderson <rth@redhat.com>
1195 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1196 (fold): Don't assume a constant isn't foldable.
1197 * tree.c (build): Set TREE_CONSTANT for an expression with no
1198 side-effects and constant operands.
1201 2001-02-10 Richard Henderson <rth@redhat.com>
1203 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1205 2001-02-10 Anthony Green <green@redhat.com>
1207 * cpp.texi (Standard Predefined): Add documentation for
1210 * c-common.c (combine_strings): Improve warning message.
1212 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1214 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1216 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1218 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1220 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1223 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1225 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1228 2001-02-09 Nick Clifton <nickc@redhat.com>
1230 * config/arm/arm.md: Change output contraint on post inc
1231 load/store multiple patterns to be a read/write contraint.
1233 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1235 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1236 .o files when using the -M options.
1238 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1239 David Edelsohn <edelsohn@gnu.org>
1241 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1242 handle DImode constants. Use one TOC entry for SImode and smaller
1243 constants, aligned properly.
1245 2001-02-08 Jason Merrill <jason@redhat.com>
1247 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1248 about the SP adjustment for saving the static chain pointer.
1249 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1250 offset when setting a temporary CFA register.
1252 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1254 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1255 powerpc-*-chorusos* .
1256 * config/rs6000/chorus.h : New file.
1257 * config/i386/chorus.h : New file.
1258 * config/sparc/chorus.h : New file.
1259 * config/sparc/t-chorus-elf : New file.
1261 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1263 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1264 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1265 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1266 (__WCHAR_TYPE__): Correct macro name.
1268 2001-02-08 Richard Henderson <rth@redhat.com>
1270 * config/i386/i386.c (ix86_frame_pointer_required): New.
1271 (ix86_setup_frame_addresses): New.
1272 (struct machine_funciton): Add accesses_prev_frame.
1273 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1274 ix86_frame_pointer_required.
1275 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1276 (SETUP_FRAME_ADDRESSES): New.
1277 * config/i386/i386-protos.h: Update.
1278 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1279 from FRAME_POINTER_REQUIRED.
1280 * config/i386/svr3gas.h: Likewise.
1281 * config/i386/sysv3.h: Likewise.
1282 * config/i386/v3gas.h: Likewise.
1284 2001-02-08 Richard Henderson <rth@redhat.com>
1286 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1287 calculation of the number of integer registers required.
1288 (function_arg_record_value): Likewise.
1290 2001-02-08 Jason Merrill <jason@redhat.com>
1292 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1293 two. Print file and line with "confused" message.
1295 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1297 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1299 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1301 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1303 * final.c (cleanup_subreg_operands): The address of a MEM can
1306 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1309 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1311 * gcc.texi (Incompatibilities): Update documentation of
1312 preprocessing numbers.
1314 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1316 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1318 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1320 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1322 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1323 * gcc.c (struct compiler): Add cpp_spec field.
1324 (input_file_compiler): New variable.
1325 (do_spec_1): Allow a particular compiler to handle `%C'
1327 (main): Store the current compiler in input_file_compiler.
1328 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1330 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1332 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1333 * cppinit.c (cpp_create_reader): Initialize them.
1334 (append_include_chain): cxx_aware arg might be unused.
1335 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1336 keywords and give them their phase 7 meaning. Pedwarn about
1337 this unless '__bool_true_false_are_defined' is defined.
1339 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1341 * lcm.c (optimize_mode_switching): Emit mode_set before the
1342 JUMP_INSN of an abnormal edge.
1344 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1346 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1347 a scheduling barrier at the end.
1349 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1351 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1353 * config/sh/sh.md (reload_outsf): Removed.
1354 (movsf_ie): Introduce constraints for FPUL loads and stores.
1355 (reload_insf): Broaden the output constraint.
1357 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1359 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1360 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1362 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1364 * final.c: Revert my previous changes.
1365 * output.h: Make profile_label_no extern.
1366 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1367 for generating label.
1369 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1371 * config/i386/djgpp.h: Add comments about standard paths.
1372 (MD_EXEC_PREFIX): Undefine before defining.
1373 (MD_STARTFILE_PREFIX): New.
1375 2001-01-30 Bruce Korb <bkorb@gnu.org>
1377 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1378 (load_file): do not rely on load_file_data() to close file pointer
1379 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1380 fixinc/inclhack.def(irix_limits_const): add test_text
1382 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1384 * cppexp.c (parse_defined): Improve diagnostics for invalid
1387 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1389 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1391 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1393 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1394 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1395 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1396 (rs6000_output_symbol_ref): New function.
1397 (output_toc): Use VTABLE_NAME_P.
1399 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1401 * print-tree.c (print_node, case PARM_DECL):
1402 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1404 * stor-layout.c (reference_types_internal): New variable.
1405 (internal_reference_types): New function.
1406 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1407 * tree.h (internal_reference_types): New declaration.
1409 * cse.c (find_best_addr): Fix typo in computing cost.
1411 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1413 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1414 and this is the sum of a pointer and a constant, we know the result
1416 (num_sign_bit_copies, case PLUS): Likewise.
1417 * explow.c (convert_memory_address): Remove opposite SUBREG.
1418 * function.c (instantiate_new_reg): New function (from common code).
1419 (instantiate_virtual_regs_1): Call it.
1420 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1421 if pointers sign- or zero-extend.
1422 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1423 If pointers extend unsigned, use inside of SUBREG.
1424 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1426 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1428 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1429 subdir of gcc_gxx_include_dir.
1430 (gcc_gxx_target_include_dir): Remove.
1432 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1434 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1435 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1436 a high-level description.
1438 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1440 * final.c: Move the declaration of profile_label_no to ...
1441 * output.h: ... here.
1442 * function.c (expand_function_start): Call PROFILE_HOOK.
1443 * config/rs6000/aix.h: Define PROFILE_HOOK.
1444 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1445 * config/rs6000/rs6000.c (output_profile_hook): Define.
1446 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1447 output_profile_hook.
1448 tm.texi : Explain new macro PROFILE_HOOK.
1450 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1452 * extend.texi (Extended Asm): Do not say that semicolon is always
1453 a valid line-breaking character for GNU assemblers. Use
1454 newline-tab as the most commonly supported syntax. Use
1455 newline-tab rather than semicolon in multi-insn examples.
1457 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1459 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1461 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1462 David Edelsohn <edelsohn@gnu.org>
1464 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1465 code for AIX, even without flag_pic.
1467 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1469 * c-typeck.c (common_type): push and pop binding level around
1470 calling common_type on function parameters.
1472 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1474 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1476 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1478 * config/mips/mips.c (override_options): Fix typo in last change.
1479 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1480 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1482 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1484 * invoke.texi (-fdump-class-layout): Document.
1485 (-fdump-translation-unit): Use `=' as filename separator.
1487 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1489 * Makefile.in (s-mlib): Don't build multilibs if
1491 (DRIVER_DEFINES): Adjust accordingly.
1493 (protoize.o): Likewise.
1494 (unprotoize.o): Likewise.
1495 * configure.in: Recognize --enable-multilib.
1497 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1499 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1501 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1502 * configure.in: Remove --enable-libstdcxx_v3 support.
1503 * configure: Regenerated.
1505 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1507 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1508 Call abort instead of fatal.
1509 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1510 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1511 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1512 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1513 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1514 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1516 * diagnostic.h (set_internal_error_function): Renamed.
1517 * toplev.h (internal_error): Renamed from fatal.
1518 (pfatal_with_name): Deleted.
1519 (fatal_io_error): Now has printf-style arguments.
1520 * diagnostic.c (pfatal_with_name): Deleted.
1521 (fatal_io_error): Rework to have args in printf-style.
1522 (set_internal_error_function): Renamed from set_fatal_function.
1523 (internal_error): Renamed from fatal.
1524 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1525 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1526 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1527 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1528 * flow.c (verify_flow_info): Likewise.
1529 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1530 * config/mips/mips.c (save_restore_insns): Likewise.
1532 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1533 * flow.c (verify_flow_info): Likewise.
1534 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1535 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1536 (avr_normalize_condition): Likewise.
1537 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1538 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1539 (limit_reload_class, double_reg_to_memory): Likewise.
1540 (print_operand_address, emit_1600_code_shift): Likewise.
1541 (gen_tst_reg, gen_compare_reg): Likewise.
1542 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1543 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1545 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1547 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1548 * objc/objc-act.c (build_ivar_chain): Likewise.
1549 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1551 * graph.c (clean_graph_dump_file): Likewise.
1552 * profile.c (init_branch_prob): Likewise.
1553 * objc/objc-act.c (objc_init): Likewise.
1555 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1556 * config/avr/avr.c (avr_override_options): Likewise.
1557 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1558 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1559 * config/h8300/h8300.c (h8300_init_once): Likewise.
1560 * config/mips/mips.c (override_options): Likewise.
1561 * config/i386/i386.c (override_options): Likewise, rework.
1562 * config/m68k/m68k.c (override_options): Likewise.
1564 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1566 * config/mips/mips.c (print_operand): Likewise.
1567 * hash.c (hash_allocate): Don't check for failure returns from
1568 obstack functions that can't fail.
1569 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1570 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1571 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1572 (get_object_reference): Likewise.
1574 2001-02-04 Nick Clifton <nickc@redhat.com>
1576 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1577 StrongARM1110, 10TDMI, and 1020T.
1579 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1581 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1583 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1585 * config/sh/sh.md (movdf load split): Pass register number to
1586 FP_OR_XD_REGISTER_P.
1588 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1590 * cppinit.c (BC): New macro.
1591 (builtin_array): Add __GXX_WEAK__.
1592 * cpplib.h (builtin_type): Add BT_WEAK.
1593 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1594 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1595 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1597 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1599 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1601 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1603 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1604 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1606 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1608 * cpphash.h: Rename ALIGN _ALIGN.
1609 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1611 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1613 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1614 compilation environment.
1615 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1616 control over location of cygwin includes and libs.
1618 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1620 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1622 2001-02-02 lars brinkhoff <lars@nocrew.org>
1624 * md.texi (Standard Names): remove reference to spur.md.
1626 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1628 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1629 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1630 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1631 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1632 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1634 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1636 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1637 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1638 number before reload.
1639 (c4x_adjust_cost): Return zero before reload.
1640 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1641 split before reload.
1643 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1645 * c4x.c (c4x_hard_regno_rename_ok): New.
1646 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1647 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1649 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1651 * diagnostic.h: Add missing "extern" in all declarations.
1653 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1655 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1656 as for gcc_gxx_include_dir.
1658 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1660 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1662 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1664 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1665 label before alignment to be used as the braf base address.
1666 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1668 (casesi_jump_2): Require at least TARGET_SH2.
1670 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1671 truncation to 32-bit doubles on -m3e and -m4-single-only.
1673 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1675 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1676 the default when building a shared object.
1677 (init_spec): Use it.
1678 * testsuite/lib/g++.exp: Include the directory where libgcc
1679 is located to the LD_LIBRARY_PATH list.
1680 * invoke.texi (-shared-libgcc): Document the cases in which
1681 GCC defaults to using the shared libgcc.
1683 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1685 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1686 unsigned is wide enough.
1688 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1689 (si_to_float): Likewise.
1690 (float_to_si, float_to_usi): Use BITS_PER_SI.
1692 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1694 * dwarf2out.c: Added explanation of abbreviations.
1695 (def_cfa_1): Added comments listing DWARF2 instructions.
1696 (cfa_temp_reg): Removed in favor of cfa_temp.
1697 (cfa_temp_value): Removed in favor of cfa_temp.
1698 (cfa_temp): New global variable.
1699 (dwarf2out_frame_debug_expr): Added extensive introductory
1700 comments explaining the function's transformations. Revised to
1701 use cfa_temp. Added some rtx checking. Generalize IOR case.
1702 (dwarf2out_frame_debug): Revised to use cfa_temp.
1703 (output_aranges): Cast as "unsigned" to avoid warning.
1704 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1705 explain which instructions must be marked.
1707 2001-02-01 Richard Henderson <rth@redhat.com>
1709 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1712 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1714 * config/sh/crt1.asm (main_k): Modified so that start calls
1715 ___setup_argv_and_call_main.
1717 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1719 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1720 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1721 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1722 * cppmacro.c (builtin_macro): Set builtin flags here.
1723 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1724 (replace_args): Clarify intent.
1725 (cpp_get_token): Macro expansion tokens get the saved flags.
1727 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1730 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1732 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1735 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1737 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1738 returns Pmode pseudo, but we need ptr_mode.
1739 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1740 Remove bogus conversions; use HOST_WIDE_INT for size.
1741 Don't use TARGET if wrong mode.
1743 * config/i386/i386.c (ix86_compute_frame_size): Allow
1744 stack_alignment_needed to be non-default even if size is zero.
1746 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1748 * (hppa_init_pic_save): Emit the pic offset table
1749 reg save after last_parm_insn.
1750 * pa.c (hppa_init_pic_save): New function.
1751 * pa.h (hppa_init_pic_save): Declare.
1752 * pa.md (call, call_value, sibcall, sibcall_value): Use
1753 the above instead of duplicated code.
1755 * pa.c (hppa_encode_label): Correct size of alloca buffer
1756 so we don't overrun it. Correct leading `*' case.
1757 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1758 need to handle `*@'.
1759 (FUNCTION_NAME_P): Likewise.
1761 2001-01-31 Richard Henderson <rth@redhat.com>
1763 * config.gcc (alpha-osf5): Use float-i128.h.
1765 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1766 * config/float-i32.h: Likewise.
1767 * config/float-i64.h: Likewise.
1768 * config/float-sh.h: Likewise.
1769 * config/float-sparc.h: Likewise.
1771 2001-01-31 DJ Delorie <dj@redhat.com>
1773 * expmed.c (extract_bit_field): allow non-integral modes if we
1774 want to extract a whole register from itself.
1776 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1778 * c-typeck.c (set_init_index): If first is equal to last, assume as
1779 if it was not a range at all.
1781 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1783 * config/fp-bit.c: Include tm.h.
1784 (float_to_si): Don't assume SImode is 32-bits wide.
1785 (float_to_usi): Likewise.
1787 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1789 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1791 (typename): Call pending_xref_error after parsing typed_typespecs.
1792 * c-decl.c (lookup_tag): Give error immediately rather than
1793 leaving it pending if the tag of the wrong type is in the same
1795 (xref_tag): Don't pedwarn for forward declarations of enum types
1797 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1800 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1802 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1804 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1806 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1807 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1809 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1811 * cpphash.h (struct cpp_reader): New saved_flags.
1812 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1813 to avoid a paste after a pasted token.
1815 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1817 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1818 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1819 Wtype_MIN instead of LONG_MIN.
1821 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1823 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1825 * fixinc/fixincl.x: Regenerated.
1826 * fixinc/inclhack.def (irix_limits_const): New definition to
1827 convert "const" to "__const" in limits.h.
1829 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1831 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1833 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1835 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1836 when register dies in the insn.
1838 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1840 * diagnostic.c (fatal): Fix word wrap.
1842 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1844 * combine.c (try_combine): Fix SUBREG setting for
1845 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1847 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1849 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1852 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1854 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1856 * toplev.c (decode_W_option): Update warn_larger_than
1857 unconditionally for each processed switch.
1859 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1861 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1863 (hppa_expand_prologue): Delete code to save pic offset table register
1864 in the function prologue.
1865 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1866 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1867 table register at the beginning of the function after the prologue.
1869 2001-01-29 lars brinkhoff <lars@nocrew.org>
1871 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1873 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1874 Jeff Law <law@redhat.com>
1876 * pa.md (return): Revise comment for trivial return.
1877 (return_internal): Non-trivial return pattern for non-PIC code.
1878 (return_internal_pic): Non-trivial return pattern for PIC code.
1879 It uses the PIC register to ensure it is restored after
1881 (epilogue): Generate appropriate return for PIC and non-PIC code.
1883 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1885 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1887 2001-01-29 DJ Delorie <dj@redhat.com>
1889 * combine.c (if_then_else_cond): Pass the correct mode to
1890 operand_subword() for constants.
1892 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1894 * config/i386/cygwin.h: Add w32api to include search. Search different
1895 directories in a cross-build environment.
1897 2001-11-29 Tim Josling <tej@melbpc.org.au>
1899 * tree.h (TYPE_STUB_DECL): Add documentation.
1901 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1903 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1904 (sdbout_field_types): Likwise. Fix use of host_integerp.
1906 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1908 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1911 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1913 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1914 to use flag_gnu_linker.
1916 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1918 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1919 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1921 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1923 * tree.c, tree.h (build_parse_node): Remove; was identical to
1925 * c-lang.c (start_cdtor), objc/objc-act.c
1926 (build_module_descriptor): Use build_nt instead of
1929 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1931 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1932 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1933 not have any upper bits set.
1935 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1937 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1939 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1941 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1943 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1945 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1946 (integer_minus_one_node): Define.
1948 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1950 * Makefile.in (bootstrap2-lean): Fix typo.
1952 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1954 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1955 : Don't set fe_value.
1956 * cpplib.h (AVOID_LPASTE): New flag.
1957 (struct cpp_hashnode): Remove fe_value.
1958 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1959 * cppmacro.c (builtin_macro): Don't set flags here.
1960 (replace_args): Set AVOID_LPASTE flag on first token of an
1961 argument, and the token following it.
1962 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1963 macro expansion, and on the token following it. Do it for
1965 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1967 2001-01-27 Richard Henderson <rth@redhat.com>
1969 * config/alpha/t-ieee: Remove multilibbing.
1970 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1972 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1974 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1976 * Makefile.in: Remove all dependencies on defaults.h.
1977 * builtins.c: Don't include defaults.h.
1978 * c-common.c: Likewise.
1979 * c-decl.c: Likewise.
1980 * c-pragma.c: Likewise.
1981 * c-typeck.c: Likewise.
1982 * combine.c: Likewise.
1984 * frame-ia64.c: Likewise.
1985 * cppexp.c: Likewise.
1986 * crtstuff.c: Likewise.
1987 * dbxout.c: Likewise.
1988 * dwarf2out.c: Likewise.
1989 * dwarfout.c: Likewise.
1990 * emit-rtl.c: Likewise.
1991 * except.c: Likewise.
1993 * final.c: Likewise.
1994 * frame-dwarf2.c: Likewise.
1995 * libgcc2.c: Likewise.
1996 * optabs.c: Likewise.
1997 * profile.c: Likewise.
1998 * sdbout.c: Likewise.
1999 * toplev.c: Likewise.
2000 * tradcif.y: Likewise.
2002 * varasm.c: Likewise.
2004 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2006 * builtins.c (expand_builtin_fputs): Use size_one_node when
2007 transforming into fwrite.
2009 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2011 * extend.texi (Attribute Syntax): New section.
2013 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2015 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2016 they didn't need fixing.
2018 2001-01-27 Janis Johnson <janis@us.ibm.com>
2020 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2022 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2023 to remove macro definitions that are duplicated from elfos.h.
2025 2001-01-27 Richard Henderson <rth@redhat.com>
2027 * config/i386/sco5gas.h: Move ...
2028 * config/usegas.h: ... here.
2029 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2031 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2033 * c-typeck.c (struct constructor_stack): Add range_stack member.
2034 (really_start_incremental_init): Clear it.
2035 (push_init_level): Save constructor_range_stack and clear it if
2036 pushing explicit braces.
2037 (pop_init_level): abort if constructor_range_stack is non-zero at
2038 explicit closing brace. Restore saved constructor_range_stack if
2041 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2043 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2044 into register was forced into memory.
2046 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2048 * Makefile.in: Remove uses of + before $(MAKE).
2050 2001-01-26 Richard Henderson <rth@redhat.com>
2052 * stmt.c (cost_table): Remove.
2053 (COST_TABLE, cost_table_initialized): New.
2054 (estimate_case_costs): Use the later instead of the former.
2055 (balance_case_nodes): Likewise.
2057 2001-01-26 Richard Henderson <rth@redhat.com>
2059 * alias.c (objects_must_conflict_p): Read-only slots may not
2060 conflict despite having the same type.
2062 2001-01-27 Michael Hayes <mhayes@redhat.com>
2064 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2066 (check_ext_dependant_givs): Initialise u_start_val and
2068 (load_mems): Make last_max_reg unsigned.
2069 (try_swap_copy_prop): Use INSN_P and initialise set.
2071 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2073 * README.AVR : Removed.
2075 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2077 * pa-64.h (text_section): Remove declaration.
2079 * pa.md (return_internal): Remove mode on PIC register use.
2081 2001-01-25 lars brinkhoff <lars@nocrew.org>
2083 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2084 ASM_CLOSE_PAREN): fix typos.
2086 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2088 * acconfig.h: Define `const' to the empty string if neither
2089 __STDC__ nor __cplusplus is defined.
2090 * config.in: Regenerated.
2092 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2094 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2095 * collect2.c (main): Delete importf. Add ".obj" file extension.
2096 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2097 (aix_std_libs): Add additional AIX libraries to skip.
2098 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2099 * config/rs6000/aix51.h: New file.
2101 2001-01-25 Michael Hayes <mhayes@redhat.com>
2103 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2104 (loop_insn_emit_before): No longer static.
2105 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2106 (loop_givs_rescan, load_mems): Likewise.
2107 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2108 (maybe_eliminate_biv_1):
2109 (move_movables): Replace emit_call_insn_before with
2110 loop_call_insn_hoist.
2111 * loop.h (loop_insn_emit_before): Add.
2112 * unroll.c (copy_loop_body): Replace emit_insn_before with
2113 loop_insn_emit_before.
2115 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2117 * diagnostic.c (fatal): Request preprocessed source.
2119 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2121 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2122 olddecl has argument types and newdecl has none, use the argument
2125 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2127 * dwarf2out.c (prefix_of): New function. Determine longest common
2128 prefix of the two arguments. The units are whole path components.
2129 (output_file_names): When adding a new directory find the one entry
2130 with the longest common prefix already in the list. Artificially
2131 generate entry if there is none for this prefix.
2132 Fix test to check whether the zeroth directory entry is used.
2134 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2136 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2137 Changed all callers. Take it into account when deciding if a
2138 previously loaded value matches.
2140 2001-01-24 Richard Henderson <rth@redhat.com>
2142 * reload.c (find_reloads_subreg_address): Fail the substitution
2143 if the resulting address is insufficiently aligned.
2145 2001-01-24 DJ Delorie <dj@redhat.com>
2147 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2148 check the original operand's mode also.
2149 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2151 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2153 * c-parse.in (cast_expr): Move compound literals from here ...
2154 (primary): ... to here. Use standard terminology "compound
2155 literal" instead of "constructor expression".
2157 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2159 * gcc.1, cpp.1: Regenerate.
2161 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2163 * calls.c (emit_library_call_value_1): Memory slot for
2164 pass-by-reference argument should have the mode of the argument,
2165 not of the pointer to it.
2167 2001-01-24 Tom Tromey <tromey@redhat.com>
2169 * gcc.texi (G++ and GCC): Mention gcj manual.
2170 (Standards): Link to section of manual mentioning gcj/Java
2173 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2175 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2176 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2177 * tradcpp.c (main): Add -imacros or -include'd dependencies
2179 * cpp.texi (-M, -MM): Document -M -include behaviour.
2181 2001-01-24 Roger Collins <roger@ProProject.com>
2183 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2185 2001-01-24 Will Cohen <wcohen@redhat.com>
2187 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2188 whether registers are 32 bits or 64 bits in size.
2190 2001-01-24 Ben Elliston <bje@redhat.com>
2192 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2194 2001-01-24 Richard Henderson <rth@redhat.com>
2196 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2197 (builtin_longjmp): Use it instead of emit_indirect_jump.
2199 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2201 * bb-reorder.c (make_reorder_chain_1): Handle case where
2202 jump edge goes to the same block as the fallthru edge.
2204 2001-01-23 Jim Wilson <wilson@redhat.com>
2206 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2207 * frame.h (__ia64_personality_v1): Add prototype.
2208 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2209 prototype form. Add void * cast to first argument to personality
2211 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2212 (asctoe113): Likewise.
2213 * config/ia64/frame-ia64.c: Include eh-common.h.
2214 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2216 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2218 (itanium_split_issue): Add prototype.
2219 (gen_nop_type): Ifdef out.
2220 (find_best_packet): Initialize best_packet.
2221 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2223 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2224 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2225 (flushrs): Add explicit stop bit at end.
2226 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2229 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2231 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2233 * libgcc2.c (__terminate_func): Make variable static.
2234 (__terminate_set_func): New function to set __terminate_func.
2235 * libgcc2.h (__terminate_func_ptr): New typedef.
2236 (__terminate_set_func): New function.
2238 2001-01-23 Richard Henderson <rth@redhat.com>
2240 * flow.c (init_propagate_block_info): Don't consider unchanging
2241 memories for dead frame store elimination.
2243 2001-01-23 Richard Henderson <rth@redhat.com>
2245 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2246 * defaults.h: ... here.
2248 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2250 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2252 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2254 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2256 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2258 * rs6000.h (rs6000_return_addr): Move prototype from here...
2259 * rs6000-protos.h (rs6000_return_addr): ...to here.
2260 (rs6000_init_expanders): Delete prototype.
2262 2001-01-23 Nick Clifton <nickc@redhat.com>
2264 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2265 (Spec Files): Document %B and %j and %. and %v3 and %M and
2266 %{S*&T} spec switches.
2268 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2270 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2272 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2273 Neil Booth <neil@daikokuya.demon.co.uk>
2275 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2276 Have -Werror make pedantic warnings errors, like the
2279 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2281 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2283 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2285 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2286 * integrate.c (expand_inline_function): Initialize them.
2287 (subst_constants): If changing COMPARE so that both its arguments
2288 will be VOIDmode and the comparison mode will be lost, note
2289 compare_mode. Use the recorded compare_mode to optimize
2292 2001-01-23 Jason Merrill <jason@redhat.com>
2294 * dwarf2out.c (new_die): Use xcalloc.
2295 (output_die): Abort rather than emit a local reference to offset 0.
2297 2001-01-17 Andrew Haley <aph@redhat.com>
2299 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2300 of a saved register; return NULL instead.
2301 (copy_reg): Take a pointer to a source register rather than a
2303 (next_stack_level): Remember the address in the stack frame of all
2305 Use the saved register pointer array as the source of the CFA.
2306 (throw_helper): Rewrite. Unwind once rather than twice and keep
2307 track of saved registers as we go.
2309 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2311 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2312 * c4x.c (c4x_legitimize_reload_address): Remove.
2313 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2314 reload address for ldp(k) insn.
2316 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2318 * pa.md (return_internal): Add a USE of the PIC register to ensure
2319 it is restored after each call.
2320 (return expander): Corresponding changes.
2322 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2324 * rs6000.h (INIT_EXPANDERS): Delete.
2325 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2326 * rs6000.c (rs6000_override_options): Call *_machine_status from
2328 (rs6000_init_expanders): ...instead of here. Delete.
2329 (rs6000_mark_machine_status): New function.
2330 (rs6000_init_machine_status): Use xcalloc.
2331 (rs6000_return_addr): Generate RTX for the return address.
2332 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2333 (rs6000_stack_info): Use it.
2335 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2337 * gthr-win32.h: Include errno.h to get a declaration for
2338 EINVAL and _mingw.h if the target is mingw32.
2340 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2342 * cpp.texi: Correct typos.
2344 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2346 * explow.c (probe_stack_range): Ensure value passed to
2347 stack_check_libfunc is ptr_mode, not Pmode.
2349 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2351 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2352 case, don't use operand_subword to calculate a SUBREG that is
2355 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2357 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2359 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2360 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2361 valid. If not replace it by equivalent insns.
2363 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2365 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2366 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2367 (c4x_U_constraint, symbolic_address_operand): Likewise.
2368 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2370 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2371 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2372 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2373 anulling slot because of silicon bug.
2374 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2376 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2378 * cppexp.c (parse_charconst): Change `mask' type to agree
2381 2001-01-21 Richard Henderson <rth@redhat.com>
2383 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2384 pic_label_name in a linkonce section.
2386 2001-01-17 Philipp Thomas <pthomas@suse.de>
2388 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2390 * configure: Regenerate.
2392 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2394 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2395 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2397 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2399 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2400 If REVERSE nonzero then condition code in X must be reversed.
2401 (encode_section_info): Optimise if/else.
2402 (avr_function_value): Fix formatting.
2404 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2405 (difficult_branch): Likewise.
2406 (rvbranch): Likewise.
2407 (difficult_rvbranch): Likewise.
2409 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2411 * config/avr/libgcc.S: Fix comment.
2413 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2415 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2417 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2419 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2421 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2423 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2424 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2425 * configure, config.in: Regenerate.
2426 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2427 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2428 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2429 (doprint.o): New rule.
2431 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2433 * c-typeck.c (digest_init): Handle boolean types as scalars.
2435 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2437 * stmt.c (expand_return): Don't return anything if size is zero.
2438 Delete redundant assignment to BYTES.
2439 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2441 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2443 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2444 the same as the default library function names.
2445 * config/avr/avr.md: Document special characters after '%'.
2446 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2447 knowing which of the call-used registers are really clobbered.
2448 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2449 New. Both quotient and remainder from one libgcc.S call.
2450 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2451 clobber as few registers as possible.
2452 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2454 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2456 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2457 context of the top of the stack.
2459 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2461 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2462 (fixup_var_refs_insns): ...here.
2464 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2466 * function.c (fixup_var_refs_insns): Break up into
2467 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2468 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2469 [loop over hash table entries].
2470 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2471 fixup_var_refs_insns_with_hash, to match above changes.
2473 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2475 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2476 (libgcc.a): Likewise.
2477 (stmp-multilib): Likewise.
2478 (STAGE2_FLAGS_TO_PASS): Likewise.
2480 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2482 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2483 temporary if no_new_pseudos.
2485 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2487 * cppinternals.texi: Update.
2489 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2491 * arm.c (arm_init_builtins): Re-enable builtins.
2493 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2495 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2496 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2497 element to be null, and always expect an EXPR_LIST.
2498 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2499 * sched-deps.c (sched_analyze_1): Likewise.
2500 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2502 * regclass.c (max_set_parallel): New variable.
2503 (reg_scan): Take it into account in computation of max_parallel.
2504 (reg_scan_mark_refs, case SET): Compute it.
2506 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2508 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2509 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2511 2001-01-19 Jason Merrill <jason@redhat.com>
2513 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2514 for the abstract instance of an inline function.
2516 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2517 J"orn Rennecke <amylaar@redhat.com>
2519 * reload1.c (move2add_note_store): Treat all registers directly or
2520 indirectly derived from a base register as members of the same set
2522 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2523 of base register into account.
2525 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2527 * alias.c (find_base_value): Recognize TRUNCATE.
2528 (record_set): In PLUS case, invalidate if other summand is also a
2531 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2533 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2534 entry to be EXPR_LIST.
2535 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2536 be an EXPR_LIST (but not null, which other code doesn't allow).
2537 (note_stores): Properly handle PARALLEL in SET.
2538 Recursively call for top-level PARALLEL.
2539 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2540 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2542 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2544 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2546 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2547 not pfile->skipping (== 0).
2549 2001-01-17 Nick Clifton <nickc@redhat.com>
2551 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2554 2001-01-17 Jim Wilson <wilson@redhat.com>
2556 * invoke.texi (IA-64 options): Improve.
2558 2001-01-17 Tom Tromey <tromey@redhat.com>
2560 * invoke.texi (Optimize Options): Use `{}' to around @samp
2563 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2565 * invoke.texi (-fno-guess-branch-probability): New option.
2567 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2569 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2570 case of making new double-word constant.
2571 Revert last change: instead just test i3_subst_into_i2.
2573 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2575 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2576 Use q constraints instead of r.
2578 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2580 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2581 (machine_function): Define.
2582 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2583 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2584 pa_free_machine_status): New functions.
2585 (override_options): Set {init,mark,free}_machine_status to above.
2586 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2587 PIC_OFFSET_TABLE_REGNUM_SAVED.
2588 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2589 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2590 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2591 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2592 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2594 2001-01-15 DJ Delorie <dj@redhat.com>
2596 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2600 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2602 * flow.c (propagate_on_insn): Make trying to delete a prologue
2603 or epilogue insn an ICE, not a warning. Allow doing this if
2604 the current function returns with stack pointer depressed.
2606 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2607 I3 having more than one SET.
2609 2001-01-16 Jim Wilson <wilson@redhat.com>
2611 * invoke.texi: Document IA-64 options.
2613 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2614 (fixup_errata): Delete TARGET_A_STEP use.
2615 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2616 (TARGET_SWITCHES): Delete -ma-step option.
2617 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2618 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2619 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2620 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2621 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2622 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2624 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2625 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2626 cmovsi_internal): Delete ! TARGET_A_STEP check.
2628 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2630 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2631 possibility to report bugs via postal mail. Change a URL and
2632 merge in a nearly duplicate statement...
2633 (Bug Reporting): ...from here.
2634 (Service): Refer to the Bug Reporting section instead of
2636 (Contributing): Remove trivial explanations concerning snapshots.
2638 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2640 * cppmain.c (general_init): Don't use ANSI prototype.
2642 2001-01-16 Tom Tromey <tromey@redhat.com>
2644 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2646 2001-01-16 Richard Henderson <rth@redhat.com>
2648 * config/i386/i386.h: Fix comment typo.
2649 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2650 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2652 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2654 * gcc.c: Revert previous -fsyntax-only-related change; move
2657 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2659 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2660 inmode after checking GET_CODE (op).
2662 2001-01-16 Richard Henderson <rth@redhat.com>
2664 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2665 (MAX_MEM_SET_LIST_LEN): New.
2666 (propagate_one_insn): Update mem_set_list_len.
2667 (invalidate_mems_from_autoinc): Likewise.
2668 (invalidate_mems_from_set): Likewise.
2669 (mark_used_regs): Likewise.
2670 (init_propagate_block_info): Likewise. Stop collecting memories
2671 when we reach MAX_MEM_SET_LIST_LEN.
2672 (mark_set_1): Likewise.
2674 2001-01-16 Richard Henderson <rth@redhat.com>
2676 * unroll.c (precondition_loop_p): Fail if no iteration
2679 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2681 * gcc.c: When -fsyntax-only is given, do not complain about
2684 2001-01-15 Richard Henderson <rth@redhat.com>
2686 * config/i386/i386.c (asm_output_function_prefix): Remove.
2687 (ix86_asm_file_end): New.
2688 (load_pic_register): Generate pic_label_name into a
2689 staticly allocated buffer.
2690 * config/i386/i386-protos.h: Update.
2691 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2692 (ASM_FILE_END): New.
2693 * config/i386/i386afe.h: New file.
2694 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2695 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2696 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2697 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2698 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2699 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2700 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2702 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2704 * Makefile.in (install-man): Remove explicit dependency on
2707 * configure.in, configure: Revert previous patch requiring perl
2710 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2712 * toplev.c (flag_guess_branch_prob): New.
2713 (f_options): Add guess-branch-probability option.
2714 (rest_of_decl_compilation): Only estimate branch probability if
2716 (main): set flag_guess_branch_prob.
2718 * flags.h (flag_guess_branch_prob): New.
2720 2001-01-15 DJ Delorie <dj@redhat.com>
2722 * gcc.texi (Makefile): Add documentation for Makefile targets.
2724 2001-01-15 Philip Blundell <philb@gnu.org>
2726 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2728 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2729 (is_pic): Delete declaration.
2730 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2731 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2732 * config/arm/arm.md (builtin_setjmp_receiver): New.
2734 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2736 * arm.c (use_return_insn): Don't try to determine the function type
2737 until after reload has completed.
2738 (arm_output_epilogue): Don't adjust the sp value recovered from the
2740 (emit_multi_reg_push): Don't record dwarf information for the pc.
2741 * arm.md (eh_epilogue): The function type may have changed, so it
2742 needs to be recalculated.
2743 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2744 unwind tables on arm/netbsd.
2746 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2748 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2749 (negated_cbranchsi4): Likewise.
2751 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2753 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2754 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2755 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2756 pass -mapcs-* options to assembler.
2757 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2758 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2759 (ASM_SPEC): Call subtarget_extra_asm_spec.
2761 2001-01-15 Andreas Jaeger <aj@suse.de>
2763 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2765 (ix86_expand_builtin): Likewise.
2767 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2768 warning about comparison between signed and unsigned.
2770 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2772 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2774 2001-01-14 Ralf Baechle <ralf@gnu.org>
2776 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2777 SUBTARGET_CPP_SPEC apropriatly.
2779 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2781 * varasm.c (make_decl_rtl): Fix typo in last change.
2783 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2785 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2786 linker supports the init_priority C++ attribute.
2787 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2788 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2789 linker does not support init_priority C++ attribute.
2791 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2793 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2795 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2797 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2798 * cp/lex.c (finish_parse): Similarly.
2799 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2800 Return the number of errors encountered.
2801 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2802 * cppmain.c (main): Don't call cpp_destroy.
2804 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2806 * configure.in: Require at least perl 5.6.0 to regenerate
2808 * configure: Regenerate.
2810 2001-01-14 Richard Henderson <rth@redhat.com>
2812 * genrecog.c (DT_veclen_ge): New.
2813 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2814 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2815 (nodes_identical_1): Handle DT_veclen_ge.
2816 (write_cond, debug_decision_2): Likewise.
2818 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2820 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2822 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2824 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2826 * cppmain.c (do_preprocessing): New function; most of the old
2828 (main): Call it to do most of the work.
2829 (cb): Move from global scope to set_callbacks ().
2830 (setup_callbacks): Get the callback pointer.
2831 (general_init, printer_init): Clean up code and comments.
2833 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2835 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2838 2001-01-14 Kazu Hirata <kazu@hxi.com>
2840 * config/h8300/h8300.c (get_shift_alg): Update comments.
2842 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2844 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2845 (alloc_page, ggc_alloc): Add casts to remove warnings.
2847 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2849 * combine.c (simplify_comparison): Don't change `code' when
2850 can't reverse comparison.
2852 2001-01-14 Richard Henderson <rth@redhat.com>
2854 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2855 update all call sites. Return true for all non-label constants.
2857 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2859 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2861 (ix86_expand_branch): Update.
2862 (ix86_expand_setcc): Update to handle multiple test conditions.
2863 (expand_int_movcc): Likewise.
2864 (expand_fp_movcc): Likewise.
2865 * i386-protos.h (ix86_expand_compare): New.
2866 * i386.md (andqi_?_slp, orqi_?_slp): New.
2867 (conditional trap expander): Update call to ix86_expand_compare.
2869 2001-01-14 Richard Henderson <rth@redhat.com>
2871 * config/vax/vax.md: Use nonimmediate_operand instead of
2872 general_operand in destinations.
2874 * config/vax/vax.md (indirect_jump): Use register_operand.
2876 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2877 * config/vax/vax.md (call_pop): Turn into an expander.
2878 (call_value_pop): Likewise.
2879 (call, call_value): New.
2881 2001-01-14 Andreas Jaeger <aj@suse.de>
2883 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2885 (ix86_fp_compare_mode): Add unused attribute.
2886 (ix86_expand_fp_movcc): Remove unused variable.
2887 (ix86_expand_builtin): Make fcode unsigned.
2889 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2890 (expand_expr): Add cast to avoid signed warning.
2891 (store_field): Likewise.
2892 (store_constructor_field): Likewise.
2893 (store_constructor): Likewise.
2894 (store_expr): Likewise.
2895 (clear_storage): Likewise.
2896 (emit_group_store): Likewise.
2897 (emit_group_load): Likewise.
2899 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2901 * c-common.c: Move format checking code to ...
2902 * c-format.c: ... here. New file. Reorder some functions and
2904 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2906 * c-common.h (decl_handle_format_attribute,
2907 decl_handle_format_arg_attribute): Declare.
2908 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2909 (c-common.o): Adjust dependencies.
2910 (c-format.o): New list of dependencies.
2912 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2914 * unroll.c (loop_iterations): If we cannot prove iteration variable
2915 is set once in each iteration, punt.
2917 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2919 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2920 (*strlenhi): Remove clobber (which was buggy) of output address.
2922 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2924 * Makefile.in (generated-manpages): Add gcc.1
2925 ($(srcdir)/gcc.1): New target.
2926 (maintainer-clean): Delete $(srcdir)/gcc.1.
2927 * gcc.texi: Add macros @gccoptlist and @gol.
2928 * invoke.texi: Include option summary in manpage. Mark up option
2929 summary with @gccoptlist and @gol. Use @r in one place where
2931 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2932 * gcc.1: Generate from invoke.texi.
2934 2001-01-13 Richard Henderson <rth@redhat.com>
2936 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2937 (struct page_entry): Add group member.
2938 (struct page_group): New.
2939 (struct globals): Add page_groups member.
2940 (alloc_anon): Only define for using mmap; remove valloc call.
2941 (page_group_index): New.
2942 (set_page_group_in_use): New.
2943 (clear_page_group_in_use): New.
2944 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2945 (free_page, release_pages): Likewise.
2946 * configure.in (with-gc): Default to ggc-page always.
2948 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2950 * reload1.c (replace_pseudos_in_call_usage): Use
2951 reg_equiv_constant and reg_equiv_address, and don't try
2952 regno_reg_rtx first.
2954 2001-01-13 Richard Henderson <rth@redhat.com>
2956 * ggc-page.c (alloc_page): Round up allocation size to one page.
2957 Set e->order on extra pages.
2959 2001-01-13 Richard Henderson <rth@redhat.com>
2961 * genrecog.c (nodes_identical): Expand commentary.
2962 (write_switch): Watch out for identical nodes.
2964 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2966 * cppfiles.c (_cpp_fake_include): New function.
2967 * cpphash.h (_cpp_fake_include): New.
2968 * cpplib.c (do_line): Call _cpp_fake_include when entering
2969 header files in preprocessed input.
2970 * cppmain.c (cb_pragma_implementation): Remove handling.
2971 (setup_callbacks): Don't register pragmas.
2973 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2975 * extend.texi: Udate for CPP.
2977 2001-01-13 Andreas Jaeger <aj@suse.de>
2979 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2981 * regmove.c: Add prototype for replace_in_call_usage.
2983 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2985 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2986 struct cpp_chunk, struct htab, struct toklist,
2987 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2988 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2989 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2990 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2991 (struct macro_args): Delete.
2992 * cpphash.h: See above.
2994 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2996 * cppmain.c (struct printer): Remove no_line_dirs.
2998 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2999 : Use options rather than CPP_OPTION.
3000 (setup_callbacks): Use cb rather than pfile->cb.
3001 (main): No need to check for a buffer. Use cpp_errors.
3002 (printer_init): Don't set no_line_dirs.
3003 (maybe_print_line): Use options not no_line_dirs.
3004 (cb_file_change): Don't call print_line if -P.
3006 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3008 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3010 * c-parse.in (finish_parse): Use cpp_errors.
3011 (__yylex): Use return value of cpp_pop_buffer.
3012 * cp/lex.c (finish_parse): Use cpp_errors.
3013 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3015 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3017 * README.AVR: URLs corrected.
3019 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3021 * c-decl.c (start_function): Don't warn if old prototype is builtin
3022 that's not in C's namespace.
3023 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3024 (_bb): Add prototype for ctime.
3025 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3027 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3029 * i386.c (ix86_fp_comparison_arithmetics_cost,
3030 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3031 ix86_fp_comparison_cost): New functions.
3032 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3033 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3034 two-branch sequences; make static.
3035 (ix86_use_fcomi_compare): Do decision according to the costs.
3036 (split_fp_branch): New.
3037 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3038 * i386-protos.h (ix86_expand_fp_compare): Remove
3039 (ix86_split_fp_branch): Declare.
3041 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3042 and ix86_comparison_operator.
3044 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3047 * i386.c (put_condition_code): Output properly the unordered/ordered
3048 compares in fp case.
3049 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3051 * tm.texi (REVERSE_CONDITION): Document.
3052 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3053 in -ffast-math mode.
3054 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3056 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3058 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3060 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3063 * config/sh/sh.c (mova_p): Fix test for mova_const.
3065 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3067 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3068 cpp_get_options rather than dereferencing pfile and using
3070 * scan-decls.c (scan_decls): Use return value of
3071 cpp_pop_buffer rather than CPP_BUFFER.
3073 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3075 * cppinit.c (cpp_handle_option): help_only is now part of the
3076 cpp_options structure.
3077 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3078 cpp_set_callbacks): New functions.
3079 * cpplib.h (cpp_callbacks): Break out as a named structure.
3080 (cpp_options): Move help_only here from cpp_reader.
3081 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3082 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3083 cpp_set_callbacks): New prototypes.
3084 * cppmain.c (main): Update for help_only.
3086 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3088 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3089 Also build and remove and install and uninstall c-tree.info and
3091 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3092 ($(srcdir)/cppinternals.info): New target.
3093 * c-tree.texi: Change file name used when makeinfo used without -o
3094 from ir.info to c-tree.info. Add info directory entry.
3095 * cppinternals.texi: Add info directory entry.
3096 * .cvsignore: Update.
3098 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3100 * c-typeck.c (store_init_value): Don't require constant initializer
3101 elements with -pedantic -std=c99.
3102 (digest_init): Change error about non-constant initializer elements
3104 (constructor_range_end): Remove.
3105 (constructor_incremental, designator_depth,
3106 designator_errorneous): New variables.
3107 (struct constructor_stack): Remove range_end, add incremental.
3108 (struct constructor_range_stack, constructor_range_stack): New.
3109 (struct initializer_stack): Add constructor_range_stack.
3110 (finish_init): Set it.
3111 (start_init): Likewise. require_constant_elements for non-static
3112 trees only if not flag_isoc99.
3113 (really_start_incremental_init): Remove constructor_range_end, add
3114 constructor_incremental.
3115 (pop_init_level): Likewise.
3116 (push_init_level): Likewise. If implicit and the subobject had some
3117 value set already, preinitialize the level with it.
3118 Warn about missing braces only if not pushing due to designators.
3119 (set_designator, push_range_stack): New functions.
3120 (set_init_label): Use them.
3121 (set_init_index): Likewise. Remove constructor_range_end.
3122 Error if designator index is outside of array bounds.
3123 (add_pending_init): Compare values of purpose index trees, not the
3124 trees themselves. Allow overwriting of already initialized element.
3125 Issue a warning if it had side-effects.
3126 (set_nonincremental_init, set_nonincremental_init_from_string): New
3128 (pending_init_member): Rename to...
3129 (find_init_member): ...this function. Call set_nonincremental_init
3130 if necessary. Compare values of purpose index trees, not the trees
3131 themselves. Return the actual value, not just non-zero if something
3133 (output_init_element): Remove checks for duplicates.
3134 If field has zero size, only check the initializer for correctness.
3135 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3136 if constructor_incremental is zero. Change error about initializers
3137 not computable at load time into pedwarn.
3138 (output_pending_init_elements): Compare bit positions, not
3139 FIELD_DECLs to take into account zero-sized fields.
3140 (process_init_element): Use constructor_range_stack to fill all
3141 ranges in the designator lists from current level up.
3142 * extend.texi: Update documentation for labeled elements.
3144 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3146 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3147 to function usage for arguments passed by reference. Optimize
3148 callee-copied arguments.
3149 * regmove.c (replace_in_call_usage): New function.
3150 (fixup_match_1): Call it.
3151 * cse.c (cse_insn): Canonicalize registers in function usage.
3152 * reload1.c (replace_pseudos_in_call_usage): New function.
3155 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3158 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3160 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3163 2001-01-12 DJ Delorie <dj@redhat.com>
3165 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3166 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3169 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3171 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3172 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3173 -std options alongside references to -ansi. Update some
3174 documentation for C99.
3175 * cpp.1: Regenerate.
3177 2001-01-12 Andreas Jaeger <aj@suse.de>
3179 * haifa-sched.c (restore_line_notes): Remove argument block B
3181 * sched-ebb.c (schedule_ebb): Change caller.
3182 * sched-rgn.c (schedule_region): Likewise.
3183 * sched-int.h (restore_line_notes): Adjust prototype.
3185 * loop.h: Remove wrong declaration of doloop_condition_get.
3187 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3189 * extend.texi: Move C++-extension-related node from the C section
3190 into the C++ section.
3192 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3194 * extend.texi: Refer to an array of pointers to functions instead
3195 of one of functions.
3197 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3198 Jan Hubicka <jh@suse.cz>
3200 * combine.c (reversed_comparison): Fix typo in last patch.
3202 (combine_reversed_comparison_code): Make static to follow
3203 prototype declaration.
3205 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3207 * install.texi: Remove misplaced duplicate entry.
3209 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3211 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3213 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3215 * final.c: (leaf_function_p): Fix typo.
3217 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3219 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3220 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3222 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3223 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3224 mmap_anon, and valloc is available.
3225 * ggc-page.c: Restructure ifdef logic to match new autoconf
3226 spec. Don't throw away the test page in init_ggc.
3228 * configure, config.in: Regenerate.
3230 2001-01-12 Michael Hayes <mhayes@redhat.com>
3232 * loop.h (total_biv_increment): Constify iv_class pointer.
3233 (struct induction): Replace `mem_mode' with `mem' rtx.
3234 * unroll.c (total_biv_increment): Constify iv_class pointer.
3235 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3236 (find_mem_givs, combine_givs_p): Likewise.
3237 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3239 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3241 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3243 (__gthread_getspecific): Ditto.
3245 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3247 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3248 put_condition_code): Convert fp comparison codes to integer
3250 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3253 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3254 * i386-protos.h (no_comparison_operator): Kill.
3256 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3258 * combine.c (REVERSIBLE_CC_MODE): Remove.
3259 (reversible_comparison_p): Remove.
3260 (combine_reversed_comparison_code): New.
3261 (reversed_comparison): New.
3262 (combine_simplify_rtx): Use
3263 combine_reversed_comparison_code/reversed_comparison instead
3264 of reversible_comparison_p.
3265 (simplify_if_then_else): Likewise.
3266 (simplify_set): Likewise.
3267 (simplify_logical): Likewise.
3268 (if_then_else_cond): Likewise.
3269 (known_cond): Likewise.
3270 (simplify_comparison): Likewise.
3272 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3274 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3275 sizeof (int) is larger than sizeof(__word__).
3277 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3279 * cppinit.c (do_includes): Fix typo.
3281 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3283 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3284 in S_REGS does not occur because not all sources are possible
3285 when a S_REGS is a destination (sometimes needs a clobber).
3286 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3287 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3288 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3289 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3290 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3291 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3292 (lshrdi_const1, lshrsi3_const16): Likewise.
3293 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3294 (*movhi_68hc12, *movqi_68hc12): Likewise.
3295 (movstrictqi): Make sure reloading in D_REGS as a destination
3298 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3300 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3302 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3304 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3305 -D, -U and -A, and don't initialize the builtins.
3306 (do_includes): Error if -include or -imacros with -fpreprocessed.
3307 * cppmain.c (cb_define, cb_undef): Unconditionally process
3309 * tradcpp.c (main): Fix typo.
3311 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3313 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3314 (read_name_map): Use IS_ABSOLUTE_PATH.
3315 * tradcpp.c (get_filename): Likewise.
3317 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3319 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3320 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3321 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3322 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3323 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3324 (cmphi_z_used): Don't use '@' for the output.
3325 (tstqi_z_used): Likewise.
3326 (cmpqi_z_used): Likewise.
3327 (one_cmplsi2): Likewise.
3329 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3331 * config/sh/sh.c (barrier_align): Recognize branch around far
3332 branch and redundant insn.
3334 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3336 * invoke.texi: Restore documentation of the drivers' switches -MD
3339 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3341 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3343 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3344 check-objc//%): Support parallel testing of multilibs.
3345 (TESTSUITEDIR): Set to testsuite by default, but override for
3347 (check-gcc, check-g++, check-g77, check-objc): Enter
3350 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3352 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3353 * sched-deps.c (deps_may_trap_p): Likewise.
3354 * basic-block.h: Remove a comment.
3355 * flow.c (PROP_POSTRELOAD): Remove.
3356 (update_life_info): Don't add it to prop_flags.
3357 (mark_set_1): Lose the code that was enabled by it.
3359 2001-01-11 Michael Hayes <mhayes@redhat.com>
3361 * flow.c (flow_call_edges_add): New.
3362 * basic_block.h (flow_call_edges_add): New.
3364 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3366 * reload1.c (move2add_note_store): Update reg_set_luid even if
3367 base reg remains the same.
3369 2001-01-10 Nick Clifton <nickc@redhat.com>
3371 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3372 machine_function structure to zero.
3373 Add prototypes for machine_status functions.
3375 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3377 * c-common.h (CTI_VOID_LIST): Remove.
3378 (void_list_node): Likewise.
3379 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3380 (void_list_node): New macro.
3381 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3382 * config/i386/i386.c (ix86_init_builtins): Likewise.
3383 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3385 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3387 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3388 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3390 * tradcpp.c: Include mkdeps.h.
3391 (deps, print_deps_phony_targets, deps_append, output_deps,
3392 init_dependency_output, output_deps): New.
3393 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3394 deps_output): Delete.
3395 (print_deps_missing_files): Rename deps_missing_files.
3396 (inhibit_output): Make global.
3397 (main): Delete inhibit_output, deps_stream, deps_target.
3398 Use mkdeps functionality in the same way as cpplib. Remove
3399 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3400 -M and -MM. Remove old handling of deps via deps_out, and
3401 old reading of environment variables.
3402 (get_filename): Update to use deps_add_dep.
3404 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3406 * output.h (make_function_rtl): Remove prototype.
3407 (make_decl_rtl): Likewise.
3408 * varasm.c (make_function_rtl): Remove.
3409 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3410 than from a third parameter.
3411 * tree.h (make_decl_rtl): Remove last parameter.
3412 * c-decl.c (builtin_function): Remove last argument in call to
3413 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3414 (start_function): Likewise.
3415 * except.c (call_get_eh_context): Likewise.
3416 * expr.c (emit_block_move): Likewise.
3417 (clear_storage): Likewise.
3418 * profile.c (output_func_start_profiler): Likewise.
3419 * toplev.c (rest_of_decl_compilation): Likewise.
3420 * objc/objc-act.c (create_builtin_decl): Likewise.
3421 (synth_module_prologue): Likewise.
3422 (generate_static_reference): Likewise.
3423 (build_selector_reference_decl): Likewise.
3424 (build_class_reference_decl): Likewise.
3425 (build_objc_string_decl): Likewise.
3426 (build_protocol_reference): Likewise.
3428 2001-01-10 Richard Henderson <rth@redhat.com>
3430 * hwint.h: Revert yesterday's change.
3432 2001-01-10 Nick Clifton <nickc@redhat.com>
3434 * function.h (save_machine_status): Delete.
3435 (restore_machine_status): Delete.
3436 Amend comment describing {init|mark|free}_machine_status.
3438 * function.c (save_machine_status): Delete.
3439 (restore_machine_status): Delete.
3440 Amend comment describing {init|mark|free}_machine_status.
3441 (push_function_context_to): Remove invocation of
3442 save_machine_status.
3443 (pop_function_context_from): Remove invocation of
3444 restore_machine_status.
3446 * emit-rtl.c (init_emit_once): Amend comment describing
3447 {init|mark|free}_machine_status.
3449 * tm.texi (Per-Function Data): New node. Describe the
3450 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3453 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3455 * cppinit.c (OPT_g): Remove.
3456 (cpp_handle_option): Update for removed -g3.
3457 (print_help): Update.
3458 * cpplib.h (struct cpp_options): Remove debug_output.
3459 * cppmain.c (setup_callbacks, cb_define): Update.
3460 * gcc.c (cpp_options): Translate -g3 to -dD.
3462 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3464 * config/i960/i960.md: Change modifier to + on the zero_extract
3465 pattern after the (rotate -2 reg) canonicalization pattern.
3467 2001-01-10 Richard Henderson <rth@redhat.com>
3469 * config/alpha/alpha.c (alpha_free_machine_status): New.
3470 (override_options): Install it.
3471 (alpha_mark_machine_status): Verify machine non-null.
3472 * config/i386/i386.c (ix86_free_machine_status): New.
3473 (override_options): Install it.
3474 (ix86_init_machine_status): Use xcalloc.
3475 (ix86_mark_machine_status): Verify machine non-null.
3476 * config/ia64/ia64.c (ia64_free_machine_status): New.
3477 (ia64_override_options): Install it.
3478 (ia64_mark_machine_status): Verify machine non-null.
3480 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3482 * function.c (instantiate_virtual_regs): Instantiate virtual
3483 registers found in CALL_INSN_FUNCTION_USAGE.
3485 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3487 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3488 equivalent to -ansi in disabling -Di386.
3490 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3492 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3494 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3496 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3498 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3500 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3502 * invoke.texi: Document that -fcond-mismatch isn't supported for
3505 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3507 * gcc.texi: Define macro gcctabopt.
3508 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3509 @command, @env and @option in some places where appropriate. Use
3510 @gcctabopt where appropriate. Put URLs and email addresses inside
3513 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3515 * gcc.c (cpp_options): Set MD file name from output
3516 filename, if specified.
3517 (suffix_subst): New static variable.
3518 (do_spec): Clear it.
3519 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3521 (give_switch): Handle suffix_subst.
3523 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3525 * invoke.texi: Fix another typo.
3527 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3529 * invoke.texi: Fix typo.
3531 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3533 * c-lang.c (lang_hooks): Update.
3534 (lang_decode_option): Remove.
3535 (lang_init_options): Rename c_init_options.
3536 * toplev.c (main): Use lang_hooks for lang_init_options
3537 and lang_decode_option.
3538 * toplev.h (lang_hooks): Add 2 new hooks.
3539 * tree.h: Remove lang_init_options and lang_decode_option.
3540 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3541 * cp/decl2.c: Similarly.
3542 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3543 (lang_hooks): Update.
3544 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3546 (lang_init_options): Rename ffe_init_options.
3547 (lang_hooks): Update.
3548 (lang_decode_option): Remove.
3549 * java/lang.c (lang_init_options): Rename java_init_options.
3550 (lang_decode_option): Rename java_decode_option.
3551 (lang_hooks): Update.
3552 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3553 (lang_decode_option): Rename objc_decode_option.
3554 (lang_hooks): Update.
3556 2001-01-09 Nick Clifton <nickc@redhat.com>
3558 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3559 (d30v_return_addr_rtx): Delete.
3560 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3561 cfun->machine structure.
3562 (struct machine_function): Move to d30v.h
3563 (d30v_save_machine_status): Delete.
3564 (d30v_restore_machine_status): Delete.
3565 (d30v_init_machine_status): New Function.
3566 (d30v_mark_machine_status): New Function.
3567 (d30v_free_machine_status): New Function.
3568 (d30v_init_expanders): Use new functions.
3569 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3570 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3571 d30v_return_addr_rtx.
3573 * config/d30v/d30v.h (struct_machine): Move here.
3574 Add eh_epilogue_sp_ofs field.
3576 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3577 field in cfun->machine structure.
3579 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3581 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3582 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3583 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3585 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3587 * objc/lang-options.h: Remove bogus reference to
3590 2001-01-09 Kazu Hirata <kazu@hxi.com>
3592 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3595 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3597 * reload.c (find_reloads_address): Check for eliminable registers
3598 when substituting a constant expression for a pseudo.
3600 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3602 * c-common.c (enum format_type): Add format_type_error.
3603 (decode_format_type): New function.
3604 (decl_attributes): Use it.
3605 (format_kind_info): Adjust comment.
3607 2001-01-09 David O'Brien <obrien@BSDi.com>
3609 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3610 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3612 * config/i386/gnu.h: Don't include required platform specific .h files,
3613 tm.h will do it instead.
3614 * config/i386/i386elf.h: Likewise.
3615 * config/i386/linux.h: Likewise.
3616 * config/i386/moss.h: Likewise.
3617 * config/mips/gnu.h: Likewise.
3619 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3621 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3622 (rs6000-ibm-aix3.[01]*): Likewise.
3623 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3624 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3625 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3626 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3627 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3628 (powerpc-*-eabiaix*): Likewise.
3629 (powerpc-*-eabisim*): Likewise.
3630 (powerpc-*-elf*): Likewise.
3631 (powerpc-*-eabi*): Likewise.
3632 (powerpc-*-rtems*): Likewise.
3633 (powerpc-*-linux*libc1): Likewise.
3634 (powerpc-*-linux*): Likewise.
3635 (powerpc-wrs-vxworks*): Likewise.
3636 (powerpcle-wrs-vxworks*): Likewise.
3637 (powerpcle-*-sysv*): Likewise.
3638 (powerpcle-*-elf*): Likewise.
3639 (powerpcle-*-eabisim*): Likewise.
3640 (powerpcle-*-eabi*): Likewise.
3641 (powerpcle-*-solaris2*): Likewise.
3642 * config/rs6000/aix31.h: Delete includes.
3643 * config/rs6000/aix3newas.h: Likewise.
3644 * config/rs6000/aix41.h: Likewise.
3645 * config/rs6000/aix43.h: Likewise.
3646 * config/rs6000/beos.h: Likewise.
3647 * config/rs6000/rtems.h: Likewise.
3648 * config/rs6000/sysv4.h: Likewise.
3650 2001-01-09 Kazu Hirata <kazu@hxi.com>
3652 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3653 Change an argument mode of machine_mode to shift_mode of
3654 shift_mode. Remove an extra error check.
3655 (emit_a_shift): Adopt to the new calling prototype of
3657 (function_prologue): Fix code for a monitor
3658 function. Support H8/S.
3659 (function_epilogue): Do not output pop for a monitor function.
3661 2001-01-09 Nick Clifton <nickc@redhat.com>
3663 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3664 (setup_incoming_varargs): Use sysv_varargs_p field of the
3665 cfun->machine structure.
3666 (struct machine_function): Move to rs6000.h
3667 (rs6000_save_machine_status): Delete.
3668 (rs6000_restore_machine_status): Delete.
3669 (rs6000_init_machine_status): New Function.
3670 (rs6000_free_machine_status): New Function.
3671 (rs6000_init_expanders): Use new functions.
3673 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3675 (struct machine_function): Move here.
3677 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3678 sysv_varargs_p field of the cfun->machine structure.
3680 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3682 (rs6000_restore_machine_status): Remove prototype.
3684 2001-01-09 Richard Henderson <rth@redhat.com>
3686 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3687 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3688 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3689 (sched_analyze_2, sched_analyze_insn): Likewise.
3690 (sched_analyze, init_deps): Likewise.
3691 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3692 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3693 (compute_block_backward_dependences): Update propagate_deps call.
3695 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3697 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3699 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3701 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3702 (cpp_handle_option): Handle them.
3703 (cpp_post_options): Ensure one of -M or -MM is specified with
3704 any other -M? option.
3705 (init_dependency_output): Suppress output with -MG.
3707 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3710 * invoke.texi: Update.
3712 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3714 * sh.md (reload_outsf): Generate recognizable patterns for
3717 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3719 * c-lang.c (lang_hooks): Update.
3720 (lang_init): Rename c_init.
3721 (lang_finish): Remove.
3722 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3724 * toplev.h (lang_hooks): Add init () and finish ().
3725 * tree.h (lang_init, lang_finish): Remove.
3726 * cp/tree.h (lang_init, lang_finish): Remove.
3727 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3728 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3730 (lang_init, lang_finish): Remove.
3731 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3732 (lang_hooks): Update.
3733 * java/lang.c (lang_init): Rename java_init.
3734 (lang_finish): Remove.
3735 (lang_hooks): Update.
3736 * objc/objc-act.c (lang_init): Rename objc_init.
3737 (lang_finish): Remove.
3738 (lang_hoooks): Update.
3740 20001-01-09 Graham Stott <grahams@redhat.com>
3742 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3743 after `ptr` is initialised.
3745 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3747 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3748 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3749 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3750 stack adjusts, instead of r3.
3752 2001-01-09 Michael Hayes <mhayes@redhat.com>
3754 * flow.c (flow_loop_scan): Break out of ...
3755 (flow_loops_find) ... here.
3756 * basic-block.h (flow_loop_scan): New.
3757 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3758 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3760 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3762 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3764 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3765 realloc()ing macro_buffer.
3767 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3768 if it's wider than long and the target's long is wider than the
3771 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3773 Remove support for using UWIN as a host machine.
3774 * configure.in: Issue an error message.
3775 * configure: Regenerated.
3776 * config.gcc: Remove xm_* UWIN configury.
3777 * config/i386/xm-uwin.h: Remove.
3779 2001-01-08 Nick Clifton <nickc@redhat.com>
3781 * config/v850/v850.c (ra_rtx): Delete.
3782 (v850_save_machine_status): Delete.
3783 (v850_restore_machine_status): Delete.
3784 (v850_init_machine_status): New function.
3785 (v850_mark_machine_status): New function.
3786 (v850_free_machine_status): New function.
3787 (v850_return_addr): Use ra_rtx field in machine structure.
3788 (v850_init_expanders): Use new functions.
3790 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3791 * config/v850/v850.c: Change arguments to v850_output+* functions
3792 to take a const char *, to avoid compile time warning.
3793 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3794 (USER_LABEL_PREFIX): Redefine.
3796 2000-01-08 Jim Wilson <wilson@redhat.com>
3798 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3799 1 to unsigned HOST_WIDE_INT before left shift.
3801 2001-01-08 Nick Clifton <nickc@redhat.com>
3803 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3804 the machine structure has been allocated.
3805 (arm_free_machine_status): New function: Free the machine
3806 specific function structure.
3808 2001-01-08 Richard Henderson <rth@redhat.com>
3810 * jump.c (simplejump_p): Revert last change.
3812 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3814 * cppinit.c (init): Rename init_library.
3815 (cpp_create_reader): Update.
3816 * gcc.c (cpp_options): If -o given, use it as the target of
3819 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3821 * arm.c (arm_arch5e): New variable.
3822 (all_cores): XScale is a 5TE device.
3823 (arm_override_options): Set arm_arch5e.
3824 (arm_init_builtins): __builtin_prefetch is in arch5e.
3825 * arm.h (arm_arch5e): Declare it.
3827 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3829 * arm.md (define_constants): Add defines for UNSPEC and
3830 UNSPEC_VOLATILE insns. Update all users.
3831 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3832 * arm.c (multi_register_push, note_invalid_constants)
3833 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3834 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3835 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3837 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3839 * jump.c (jump_optimize_1): Use reversed_comparison_code
3840 instead of can_reverse_comparison_p.
3841 (jump_back_p): Likewise.
3842 (invert_exp_1): Likewise.
3843 (thread_jumps): Likewise.
3844 * simplify-rtx.c (simplify_unary_operation): Likewise.
3845 (simplify_ternary_operation): Likewise.
3846 * cse.c (find_comparison_args): Convert to use
3847 can_reverse_comparison_p.
3848 (record_jump_equiv): Likewise.
3850 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3852 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3853 (EPILOGUE_USES): Define.
3854 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3855 automatically stack the LR if it isn't live.
3857 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3859 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3862 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3864 * ggc-page.c (max_alignment): New structure.
3865 (MAX_ALIGNMENT): New macro.
3866 (init_ggc): Use it to round up the sizes in the
3867 extra_order_size_table.
3869 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3871 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3874 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3876 * builtins.def (BUILT_IN_FPRINTF): New entry.
3878 * c-common.c (c_expand_builtin_fprintf): New function.
3879 (init_function_format_info): Handle __builtin_fprintf.
3880 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3881 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3883 * c-decl.c (duplicate_decls): Adjust comment.
3885 * extend.texi (fprintf): Document new builtin.
3887 2001-01-07 Richard Henderson <rth@redhat.com>
3889 * jump.c (simplejump_p): Recognize any single_set jump
3892 2001-01-07 Richard Henderson <rth@redhat.com>
3894 * configure.in (slibdir): Accept an --with-slibdir option.
3895 Use "test" not "[" in configure. Default to $(libdir).
3897 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3899 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3900 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3901 (SHLIB_LINK): Create links for the soname.
3902 * config/mips/t-iris6: Likewise.
3903 * config/sparc/t-slibgcc: Likewise.
3904 * config/sparc/t-slibgcc-sld: Likewise.
3906 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3908 * config/i386/i386.c (constant_call_address_operand): Accept
3909 (const (plus (symbol_ref) (const_int))).
3910 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3911 constant_call_address_operand.
3913 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3915 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3916 and LONG_LONG_TYPE_SIZE > 32.
3918 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3920 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3921 the previous change.
3923 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3925 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3927 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3928 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3929 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3932 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3934 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3936 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3938 * c-lang.c (c_post_options): Call cpp_post_options.
3939 * objc/objc-act.c (objc_post_options): Similarly.
3940 * cppmain.c (main): Similarly.
3941 * fix-header.c (read_scan_file): Similarly.
3942 * cppinit.c (cpp_start_read): Move option consistency checks
3943 to cpp_post_options. Don't call init_dependency_output.
3944 If needed, add default target and main file dependency.
3945 (OPT_MD, OPT_MMD): Remove.
3947 (cpp_handle_option): Update for OPT_* changes.
3948 (cpp_post_options): New.
3949 (init_dependency_output): Command line -MF overrides environment
3950 variables. Don't set default target etc. Suppress output
3951 if dependencies are going to stdout.
3952 (print_help): Update.
3953 * cpplib.h (cpp_post_options): New.
3954 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3956 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3958 * jump.c (comparison_dominates_p): Support unordered compares.
3960 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3962 * simplify-rtx.c (simplify_relational_operation): Always simplify
3963 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3966 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3968 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3969 (nonzero_bits): Likewise.
3970 (simplify_comparison): Likewise.
3971 (num_sign_bit_copies): Likewise; return more sane value depending
3972 on STORE_FLAG_VALUE.
3973 (known_cond): Do not assume EQ to be always true for equivalent
3976 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3978 * cse.c (fold_rtx): Handle unordered comparisons.
3980 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3982 * rtlanal.c (set_of_1): New static function.
3983 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3984 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3985 reg_set_last_last_regno): Remove.
3986 (set_of): New global function.
3987 (set_of_data): New structure.
3988 (reg_set_p, reg_set_last): Revamp for set_of.
3989 * rtl.h (set_of): New.
3991 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3993 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3994 * extend.texi: Document _Exit builtin.
3996 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3998 * (initialize, initialize_builtins,
3999 initialize_dependency_output, initialize_standard_includes):
4000 Rename s/initialize/init. Update.
4001 (init_dependency_output): Move to after
4002 cpp_handle_options, the correct location temporally at least.
4003 (opt_comp): Move next to init (), its caller. Fix prototype.
4004 (init): Make "initialized" local scope.
4005 (cpp_create_reader): Always call init ().
4006 (cpp_start_read): Update.
4007 (output_deps): New function, broken out of cpp_finish.
4008 (cpp_finish): Break out output_deps.
4010 2001-01-07 Richard Henderson <rth@redhat.com>
4012 * collect2.c (COFF specific stuff): Revert 12-06 patch
4013 to prototype system functions.
4015 2001-01-07 Michael Hayes <mhayes@redhat.com>
4017 * hard-reg-set.h: Add multiple include guard.
4018 * basic-block.h (struct loop): Add `sink' field.
4019 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4020 (emit_iv_add_mult): Delete.
4021 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4022 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4023 (unroll_loop): Remove end_insert_before argument.
4024 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4025 (maybe_eliminate_biv_1): Likewise.
4026 (emit_iv_add_mult): Delete.
4027 (gen_add_mult, loop_regs_update): New.
4028 (loop_insn_emit_after, loop_insn_emit_before): New.
4029 (loop_insn_sink, loop_insn_sink_or_swim): New.
4030 (emit_iv_add_mult): Delete.
4031 (scan_loop): Set loop->sink.
4032 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4033 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4034 (maybe_eliminate_biv_1): Likewise.
4035 (maybe_eliminate_biv_1): Add basic block argument.
4036 * unroll.c (unroll_loop): Remove end_insert_before argument.
4037 (find_splittable_regs): Likewise.
4038 (find_splittable_regs): Use loop_insn_sink and its ilk.
4039 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4041 2001-01-07 Michael Hayes <mhayes@redhat.com>
4043 * loop.h (loop_insn_hoist): New prototype.
4044 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4045 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4046 (check_dbra_loop, load_mems): Likewise.
4047 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4048 (find_splittable_givs): Likewise.
4050 2001-01-07 Michael Hayes <mhayes@redhat.com>
4052 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4054 2001-01-07 Richard Henderson <rth@redhat.com>
4056 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4058 2001-01-07 Richard Henderson <rth@redhat.com>
4060 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4061 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4062 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4063 variant that handles a shared libgcc.
4064 (process_command): Always validate -{static,shared}-libgcc.
4065 (do_spec_1): New 'M' case.
4066 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4068 2001-01-07 Richard Henderson <rth@redhat.com>
4070 * Makefile.in (slibdir): New variable.
4071 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4072 (installdirs): Create slibdir.
4073 (install-libgcc, install-multilib): Defer to libgcc.mk.
4074 * configure.in (slibdir): Substitute.
4075 * mklibgcc.in (install): New target.
4077 * config/t-linux (SHLIB_LINK): Create links for the soname.
4078 (SHLIB_INSTALL): New.
4079 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4080 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4081 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4082 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4083 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4085 2001-01-07 Richard Henderson <rth@redhat.com>
4087 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4088 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4089 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4091 2001-01-07 Michael Hayes <mhayes@redhat.com>
4093 * loop.c (count_loop_regs_set): Delete.
4094 (load_mems_and_recount_loop_regs_set): Delete.
4095 (loop_regs_scan): Merge common code from count_loop_regs_set,
4096 scan_loop, and load_mems_and_recount_loop_regs_set.
4097 (scan_loop): Call load_mems directly and loop_regs_scan
4098 again if new registers created.
4100 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4102 * toplev.c (main): Call the front-end specific post_options
4103 hook if one is given.
4104 * toplev.h (struct_lang_hooks, lang_hooks): New.
4105 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4106 for the C front end.
4107 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4108 lang_hooks for the C++ front end.
4109 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4110 lang_hooks for the ObjC front end.
4111 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4112 * java/lang.c (lang_hooks): Hooks for the Java front end.
4114 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4116 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4117 for verbose DWARF[2] debugging.
4118 (cb_define, cb_undef): The new callbacks.
4119 * toplev.h (debug_define, debug_undef): Make const correct.
4120 * toplev.c (debug_define, debug_undef): Similarly. Do not
4121 perform the verbosity tests here anymore.
4123 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4125 * reload.c (subst_reloads): Take INSN argument. When
4126 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4127 * reload.h (subst_reloads): Adjust prototype.
4128 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4129 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4130 present in JUMP_INSNs and copy them to JUMP_LABEL.
4131 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4132 JUMP_INSNs and insns with REG_LABELs that are followed by
4133 JUMP_INSNs with the same REG_LABEL.
4134 * sched-rgn.c (is_cfg_nonregular): Likewise.
4135 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4137 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4139 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4141 2001-01-06 Richard Henderson <rth@redhat.com>
4143 * loop.c (scan_loop): Use xcalloc for the regs array.
4144 (load_mems_and_recount_loop_regs_set): Zero the new memory
4145 received from xrealloc.
4147 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4149 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4151 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4153 * integrate.c (copy_rtx_and_substitute): When copying
4154 an ignored return value, strip REG_FUNCTION_VALUE_P.
4156 2001-01-06 Michael Hayes <mhayes@redhat.com>
4158 * loop.c (debug_biv, debug_giv): New.
4159 (loop_biv_dump): Break out from ...
4160 (record_biv): ... here.
4161 (loop_giv_dump): Break out from ...
4162 (record_giv): ... here.
4163 (loop_bivs_check): Use print_simple_rtl.
4164 * unroll.c (loop_iterations): Use print_simple_rtl.
4166 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4168 * pa.md (return, return_internal): Modify patterns to prevent regrename
4169 mucking with the return pointer.
4171 2001-01-05 Richard Henderson <rth@redhat.com>
4173 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4175 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4177 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4178 version supplied by Matteo Frigo.
4180 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4182 * cpp.texi: Update for -MQ.
4183 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4184 (cpp_cleanup): Always free pfile->deps.
4185 (initialize_dependency_output): Don't create pfile->deps.
4186 (cpp_handle_option): Similarly.
4188 * gcc.c (cpp_options): Handle -MQ.
4189 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4190 * mkdeps.c (base_name): Remove.
4191 (deps_init): Don't allocate vector space until it's needed.
4192 (deps_free): Only free vectors if allocated.
4193 (deps_add_target, deps_add_dep): Update for initial allocation.
4194 (deps_add_default_target): Don't strip to the base_name.
4196 2001-01-05 DJ Delorie <dj@redhat.com>
4198 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4199 (INIT_EXPANDERS): Define.
4201 * config/v850/v850.c (struct machine_function): Define.
4202 (v850_save_machine_status): New function.
4203 (v850_restore_machine_status): New function.
4204 (v850_return_addr): New function.
4205 (v850_init_expanders): New function.
4207 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4208 and v850_init_expanders.
4210 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4212 * cpplib.h (struct cpp_reader): Add help_only field.
4213 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4214 (cpp_handle_option): Set pfile->help_only if we see -h,
4215 --help, -target-help, or --version. Print version string but
4216 do not set help_only if we see -v or -version. Make text
4217 printed by -v match that printed by (-)-version.
4219 * cppmain.c (main): Exit after option parsing if
4220 pfile->help_only is true.
4222 * toplev.c (independent_decode_option): Call print_version,
4223 then exit, if we see --version (but not -version).
4224 (print_version): Split lengthy message into two lines.
4226 2001-01-05 Nick Clifton <nickc@redhat.com>
4228 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4229 temporary string for initialisation before calling ggc_alloc_string.
4231 2001-01-06 Michael Hayes <mhayes@redhat.com>
4233 * rtl.h (print_simple_rtl): New.
4234 * print-rtl.c (print_simple_rtl): New.
4236 (print_rtx): Disable printing of flags and modes, etc.,
4237 if `flag_simple` nonzero.
4239 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4241 * function.c (fixup_var_refs): Use push_to_full_sequence where
4244 2001-01-05 Michael Meissner <meissner@redhat.com>
4246 * flags.h (flag_reorder_blocks): Add declaration.
4247 (flag_rename_block): Ditto.
4249 2001-01-05 DJ Delorie <dj@redhat.com>
4251 * function.c (reorder_blocks): Make sure the flags are all reset
4252 before using them to mark blocks, else a second invocation will
4253 corrupt the block chain.
4254 (reorder_blocks_0): New, resets the flags.
4256 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4258 * cse.c (find_comparison_args): Stop if the argument is known to
4261 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4263 * config/sh/sh.md (movdf): When splitting load into pair of
4264 registers, don't clobber the register used in the address too
4267 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4269 * varasm.c (mark_constant_pool): Improve initial comments.
4270 (mark_constants): Move marking of constants to mark_constant.
4271 (mark_constant): New function to recursively mark all constants
4272 referred to by a constant.
4274 2001-01-05 Catherine Moore <clm@redhat.com>
4276 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4278 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4280 * cp/lang-options.h: Bring comment in line with reality.
4281 * f/lang-options.h: Likewise.
4282 * java/lang-options.h: Likewise.
4283 * objc/lang-options.h: Likewise.
4284 * ch/lang-options.h: Likewise.
4285 * f/g77.texi: And update the manual.
4287 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4288 Denis Chertykov <denisc@overta.ru>
4290 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4291 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4292 * config/avr/avr.md (all peepholes that request a scratch register):
4293 Call it, FAIL the peephole if not safe (in interrupt functions).
4295 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4297 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4299 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4301 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4303 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4304 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4305 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4306 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4307 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4309 * extend.texi: Document these builtins.
4311 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4313 * c-common.c (lang_get_alias_set): Say we know nothing of
4314 VECTOR_TYPE aliasing.
4316 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4318 2001-01-05 Bruce Korb <bkorb@gnu.org>
4320 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4321 their x* equivalent versions for atexit-less systems
4322 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4323 systems (or any other system any more).
4325 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4327 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4328 output operands. Use arm_hard_register_operand for operand 4.
4329 (stmsi_postinc): Similarly.
4330 (ldmsi): Use arm_hard_register_operand for opernand 2.
4332 * arm.c (arm_hard_register_operand): New function.
4333 * arm-protos.h (arm_hard_register_operand): Prototype it.
4335 * arm.h (HARD_REGNO_RENAME_OK): Define.
4337 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4339 * simplify-rtx.c (cfc_args): add "unordered" field.
4340 (check_fold_consts): Set unordered field.
4341 (simplify_relational_operation): Simplify the unordered
4344 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4347 * emit-rtl.c (try_split): Fix code to mark labels.
4348 * jump.c (mark_jump_label): Make global.
4349 * rtl.h (mark_jump_label): Declare.
4351 * predict.c (estimate_probability): Handle unordred comparisons.
4353 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4355 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4356 * cppinit.c (initialize_dependency_output): Update.
4357 (cpp_finish): Output dummy targets for -MP.
4359 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4360 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4361 * gcc.c (cpp_options): Update to handle -MP.
4362 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4363 to quote only the default target.
4364 (deps_phony_targets): Insert a preceding newline. Rename from
4365 deps_dummy_targets for consistency.
4368 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4370 * calls.c (emit_library_call_value_1): Support
4371 INIT_CUMULATIVE_LIBCALL_ARGS.
4372 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4374 2001-01-04 Richard Henderson <rth@redhat.com>
4376 * c-decl.c (finish_struct): Detect flexible array members
4377 used in an inappropriate context.
4378 * c-typeck.c (really_start_incremental_init): Special case
4379 constructor_max_index for zero length arrays.
4380 (pop_init_level): Allow initialization of flexible array
4381 members. Deprecate initialization of zero length arrays.
4382 Don't issue missing initializer warning for flexible array
4383 members or zero length arrays.
4384 (process_init_element): Don't dereference null DECL_SIZE.
4385 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4386 Don't abort for empty constructors. Use size_binop
4387 (output_constructor): Add commentary regarding zero length
4388 array futures. Abort if we try to initialize an array of
4389 unspecified length with a non-empty constructor in the middle
4392 * extend.texi (Zero Length): Update and clarify documentation
4393 on static initialization.
4395 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4397 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4398 with more than 32767 words of local storage.
4400 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4402 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4403 for 'abs', 'labs', and 'fabs'.
4404 (c4x_expand_builtin): Likewise.
4405 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4407 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4409 * config/sh/sh.md (prget, prset): New insn types.
4410 (return delay slot): Dont' allow prset.
4411 (call, sfunc delay slot): Don't allow prget.
4412 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4413 for prset and prget.
4415 2001-01-05 Michael Hayes <mhayes@redhat.com>
4417 * loop.h (struct loop_reg): New.
4418 (struct loop_regs): Change to use array of `struct loop_reg'.
4419 * loop.c: Replace assortment of varrays with single regs array.
4420 (count_one_set): Delete may_not_move array argument
4421 and use regs array instead. All caller's changed.
4422 (count_loop_regs_set): Delete may_not_move and single_usage
4423 arguments and use regs array instead. All caller's changed.
4424 (find_single_use_in_loop): Replace usage array argument with pointer
4425 to regs structure. All caller's changed.
4426 (loop_optimize): Delete `moved_once' array.
4428 2001-01-05 Michael Hayes <mhayes@redhat.com>
4430 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4431 Use it instead of loop_info->has_call for scanning loop mems.
4432 (check_dbra_loop): Replace loop_info->has_call test with
4433 loop_info->has_nonconst_call.
4435 2000-01-04 Matthew Hiller <hiller@redhat.com>
4437 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4440 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4442 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4443 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4445 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4447 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4448 (flag_short_double, flag_short_wchar): Define.
4449 (c_common_nodes_and_builtins): Create many tree nodes shared
4450 between C and C++ here instead of in cp/decl.c and ...
4451 * c-decl.c (init_decl_processing): ... here.
4452 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4453 (flag_short_double, flag_short_wchar): Don't define.
4454 (record_builtin_type): New function.
4455 (build_void_list_node): New function.
4456 * c-common.h (flag_short_double, flag_short_wchar,
4457 record_builtin_type, build_void_list_node): Declare.
4459 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4461 * integrate.c (expand_inline_function): Don't put a virtual
4462 register into the reg map.
4464 * function.c (fixup_var_refs_1): If force_operand didn't put
4465 the address into the target, move it there.
4467 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4469 Special-case tree_decl/tree_list allocations.
4470 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4471 (OBJECT_SIZE): New macro.
4472 (NUM_EXTRA_ORDER): Likewise.
4473 (extra_order_size_table): New variable.
4474 (NUM_ORDERS): New macro.
4475 (objects_per_page_table): New variable.
4476 (object_size_table): New variable.
4477 (G.pages): Use NUM_ORDERS to bound the array.
4478 (G.page_tails): Likewise.
4479 (DIV_ROUND_UP): Remove.
4480 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4481 (alloc_page): Use OBJECT_SIZE.
4482 (size_lookup): Don't make it const.
4483 (ggc_alloc): Use OBJECT_SIZE.
4484 (ggc_set_mark): Likewise.
4485 (ggc_get_size): Likewise.
4486 (init_ggc): Set up the object_size_table, objects_per_page_table,
4487 and adjust size_lookup.
4488 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4489 (ggc_pop_context): Use NUM_ORDERS.
4490 (clear_marks): Likewise.
4491 (sweep_pages): Likewise.
4492 (poison_pages): Likewise.
4493 (ggc_print_statistics): Use OBJECT_SIZE.
4495 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4497 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4498 Only call array_size_for_constructor if last field and array type
4499 with no upper bound.
4501 2001-01-04 Philip Blundell <philb@gnu.org>
4503 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4504 from bit 31 downwards, if this requires no more insns.
4505 (count_insns_for_constant): New helper function for above.
4507 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4509 * gencodes.c (output_predicate_decls): Remove empty initializer.
4511 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4513 * tree.c (copy_node): Remove documentation about obstacks.
4514 (buidl1): Check that nobody tries to build 2-argument nodes this
4517 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4519 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4522 * gencodes.c (output_predicate_decls): Fill empty initializer
4525 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4527 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4528 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4530 (do_include): Handle missing headers like cpp0.
4531 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4532 paths with first include pathname. Don't strcat to uninitialized
4535 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4537 * regrename.c (regrename_optimize): Don't rename from frame pointer
4538 if frame_pointer_needed.
4539 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4540 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4541 (ia64_reorg): Use it instead of scheduling if ! optimize.
4542 (errata_emit_nops): Properly call asm_noperands.
4543 (ia64_sched_reorder): Finish cycle if we see an asm.
4544 (ia64_variable_issue): Clear scheduling state after asms.
4546 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4548 * cpp.texi: Update for -MT.
4549 * cppinit.c (initialize_dependency_output): Add a default
4550 target if none has been given already.
4551 (no_tgt, OPT_MT): New.
4552 (cpp_handle_option): Handle -MT. Update -M etc.
4553 * cpplib.h (struct cpp_options): Remove deps_target.
4554 * gcc.c (cpp_options): Handle -MT.
4555 * mkdeps.c (struct deps): Move from mkdeps.h.
4556 (deps_calc_target): Rename deps_add_default_target. Add a
4557 default target if none has been specified already.
4558 * mkdeps.h (struct deps): Move to mkdeps.c.
4559 (deps_calc_target): Rename deps_add_default_target.
4561 2000-01-03 Richard Henderson <rth@redhat.com>
4563 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4565 * c-typeck.c (push_init_level): Move checks for flexible array
4566 members and zero length arrays ...
4567 (pop_init_level): ... here. Silently discard empty initializations.
4569 * varasm.c (output_constructor): Update for sizeof change to
4572 * extend.texi (Zero Length): Clarify semantics.
4574 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4576 * configure.in (tm.h): Include isns-codes.h last.
4577 * configure: Rebuilt.
4579 2001-01-03 Richard Henderson <rth@redhat.com>
4581 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4582 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4584 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4586 * tradcpp.c (main): Make sure finclude() is called with a valid
4587 indepth value while handling -include.
4589 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4591 * gencodes.c (output_predicate_decls): New function.
4593 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4594 even if it is not the first time machmode.h is #included.
4595 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4596 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4597 * gcc.texi (Copyright): Added 2001.
4599 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4601 * c-common.c (c_common_lang_init): New function. Warn if format
4602 warning options which only have effects when used with -Wformat
4603 are used without -Wformat.
4604 * c-common.h (c_common_lang_init): Declare.
4605 * c-lang.c (lang_init): Call c_common_lang_init.
4606 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4608 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4610 * configure.in: Check for the mktemp command.
4611 * configure: Regenerate.
4612 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4613 $TEMP. Create temporary files with mktemp, if available at
4614 configure time; otherwise use set -C. Remove temporary files
4617 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4619 * configure.in: Require at least texinfo 4.0. Check for whether
4620 Pod::Man is sufficiently recent to regenerate GCC manpages.
4621 * configure: Regenerate.
4622 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4624 (GENERATED_MANPAGES): Define.
4625 (generated-manpages): New target. Depend on cpp.1 as well as
4627 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4628 configure to generated-manpages or empty) rather than on the
4629 manpages directly. Remove execute permission from installed
4630 gcov.1 as well as cpp.1.
4631 * cpp.1, gcov.1: Regenerate.
4633 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4635 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4636 tree_low_cst. Allow using cmpstrsi in more cases.
4638 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4640 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4643 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4645 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4646 * Makefile.in (HOST_CFLAGS): Mention build-make.
4648 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4650 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4653 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4655 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4658 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4661 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4662 reg_base_value and reg_known_value arrays.
4663 (init_alias_analysis): Add more cases to detect known values.
4664 * sched-deps.c (deps_may_trap_p): New function.
4665 (sched_analyze_2): Use it.
4667 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4669 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4670 don't discard an ASHIFTRT if we're shifting in a wider mode.
4672 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4674 * toplev.c (rest_of_compilation): Don't print basic block information
4675 when CFG isn't up to date.
4677 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4679 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4680 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4681 (UNALIGNED_SHORT_ASM_OP): Define.
4682 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4684 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4686 * fold-const.c (fold_convert): Fix typo.
4688 2001-01-02 Richard Henderson <rth@redhat.com>
4690 * c-common.h (ASM_INPUT_P): New.
4691 * c-parse.in (asm): Set it when needed.
4692 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4693 existance of an operand.
4695 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4697 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4698 (dwarf2out_frame_debug_expr): Likewise.
4699 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4701 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4703 * i386.c (ix86_split_to_parts): Return number of part required;
4705 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4707 (ix86_split_long_move): Use number of part returned
4708 by ix86_split_to_parts
4709 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4711 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4712 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4713 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4714 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4715 (ALIGN_MODE_128): Add TFmode.
4716 (IS_STACK_MODE): Likewise.
4717 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4718 (HARD_REGNO_OK): Support TFmodes.
4719 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4720 * i386.md (scheduler definitions): Use memory operand to determine
4721 fst/fld instructions; use mode attribute to determine real mode of
4723 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4724 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4726 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4728 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4730 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4732 * expr.c (store_constructor_field): Update ALIGN before calling
4735 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4737 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4740 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4742 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4745 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4747 * c-decl.c (start_function): Don't warn on third parameter to main.
4749 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4751 * tsystem.h: Define HAVE_DECL_GETOPT.
4753 2001-01-02 Philip Blundell <pb@futuretv.com>
4755 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4758 2001-01-02 Richard Henderson <rth@redhat.com>
4760 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4762 2001-01-02 Andreas Jaeger <aj@suse.de>
4764 * c-decl.c (c_decode_option): Remove support of
4767 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4768 (W_options): Add -Wmissing-noreturn here.
4770 * flow.c: Define lang_missing_noreturn_ok_p.
4771 (check_function_return_warnings): Use it.
4773 * c-common.h: Declare lang_missing_noreturn_ok_p.
4775 * c-lang.c (c_missing_noreturn_ok_p): New function.
4776 (lang_init): Set lang_missing_noreturn_ok_p.
4778 * invoke.texi (Warning Options): Document this.
4780 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4782 * extend.texi (C++ Extensions): New node for C++ attributes;
4783 describe init_priority and com_interface.
4784 * invoke.texi: Remove -finit-priority as it now has zero effect.
4785 * install.texi: Fix xref syntax.
4786 * md.texi: Likewise.
4788 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4790 * config.gcc (sparc64-wrs-vxworks*): New case.
4791 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4793 * config/sparc/sparc.c (sparc_override_options): Do support different
4794 pointer and architecture size.
4795 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4796 (POINTERS_EXTEND_UNSIGNED): Define.
4797 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4798 (FUNCTION_MODE): Define to be Pmode.
4799 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4801 * function.c (expand_function_end): Properly handle DECL_RESULT
4802 and copy when ptr_mode != Pmode.
4803 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4805 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4807 * c-common.c (c_common_nodes_and_builtins): Set prototype
4808 parameters for __builtin_fputs, __builtin_fputc and
4809 __builtin_fwrite. Don't declare plain fputc as a builtin.
4811 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4813 * loop.c (add_label_notes): Increment the label usage count when
4814 a note is added to an insn which refers to a CODE_LABEL.
4815 * gcse.c (add_label_notes): Likewise.
4817 2001-01-01 Andreas Jaeger <aj@suse.de>
4819 * loop.c (scan_loop): Use xmalloc to allocate movables.
4821 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4823 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4824 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4825 * reload1.c (REGISTER_MOVE_COST): Likewise.
4826 * regclass.c (REGISTER_MOVE_COST): Likewise.
4827 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4828 dimension. Adjust all users.
4829 (init_reg_sets_1): Iterate on all modes.
4830 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4831 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4832 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4833 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4834 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4835 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4836 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4837 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4838 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4839 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4840 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4841 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4842 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4843 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4844 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4845 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4846 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4847 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4848 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4849 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4850 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4851 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4852 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4853 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4854 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4855 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4856 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4858 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4860 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4861 arg VARIES_P. Call it with extra arg.
4862 (true_dependence): Likewise.
4863 * rtl.h (rtx_addr_can_trap_p): Declare.
4864 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4866 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4867 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4868 pic offset table register if it's zero. All callers changed.
4869 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4871 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4873 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4874 STRING_POOL_ADDRESS_P.
4876 * config/sparc/sparc.c (input_operand): Properly test for short op.
4878 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4879 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4880 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4881 * config/sparc/elf.h: No longer include sol2.h.
4882 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4883 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4885 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4887 2001-01-01 Michael Hayes <mhayes@redhat.com>
4889 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4890 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4891 (record_initial): Likewise.
4892 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4893 (remap_split_bivs): Likewise.
4895 2001-01-01 Michael Hayes <mhayes@redhat.com>
4897 * loop.c (loop_ivs_free): New function.
4898 (strength_reduce): Break out from...
4900 2001-01-01 Michael Hayes <mhayes@redhat.com>
4902 * loop.h (struct iv): New.
4903 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4904 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4905 'reg_biv_class' fields with 'regs' and 'n_regs'.
4906 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4907 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4908 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4910 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4912 * resource.c (mark_referenced_resources): Abort() before
4913 attempting to mark a pseudo register.
4914 (mark_set_resources): Likewise.
4916 2001-01-01 Michael Hayes <mhayes@redhat.com>
4918 * loop.h (REG_IV_CLASS): New accessor macro.
4919 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4920 * unroll.c (REG_IV_CLASS): Likewise.
4922 See ChangeLog.4 for earlier changes.
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