1 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5 (insert_save, insert_restore): New parameter save_mode.
6 (init_caller_save): Update initialization of reg_save_code
8 (save_call_clobbered_regs): Compute save_modes and update calls to
9 reg_save_code and reg_restore_code.
10 (insert_restore): Unsignetize numbers; use save_modes to choose mode
11 of spill; update use of reg_restore_code.
12 (insert_save): Likewise.
13 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
14 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
15 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
17 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
19 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
20 noce_try_store_flag_inc, noce_try_store_flag_mask,
21 noce_try_cmove_arith):
22 Use reversed_comparison_code instead of reverse_comparison and
23 can_reverse_comparison_p.
25 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
27 * jump.c (reversed_comparison_code_parts): Allow reversal of
28 unordered compares in -ffast-math mode; reverse ordered compares
29 for FP even w/o -ffast-math.
31 2001-02-27 Richard Henderson <rth@redhat.com>
33 * print-rtl.c (print_rtx) [i]: Don't print field five on
34 NOTEs other than NOTE_INSN_DELETED_LABEL.
36 2001-02-27 Zack Weinberg <zackw@stanford.edu>
38 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
39 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
41 2001-02-27 Diego Novillo <dnovillo@redhat.com>
43 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
44 even if walk_subtrees is 0.
45 * c-semantics.c (prune_unused_decls): Return a non-null value to
46 stop traversing the tree chain.
48 2001-02-27 DJ Delorie <dj@redhat.com>
50 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
51 register, *then* define it as the new CFA.
53 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
55 * pa.c (override_options): Promote -fpic to -fPIC.
56 (legitimize_pic_address): Simplify due to removal of
57 small PIC as a code generation option.
58 (secondary_reload_class): Similarly.
59 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
60 (PRINT_OPERAND_ADDRESS): Similarly.
61 * pa.md (various patterns): Similarly.
62 (small pic lo_sum pattern): Remove.
64 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
67 * md.texi (min, max): Document
69 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
71 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
72 TARGET_PARTIAL_REG_DEPENDENCY.
73 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
75 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
77 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
79 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
81 * mips.c (mips_make_temp_file): Fix thinko in last change.
83 2001-02-26 Jason Eckhardt <jle@redhat.com>
85 * combine.c (known_cond): Do not reverse the condition when
86 SMAX/UMAX is being considered and the condition is for equality
89 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
91 2001-02-26 Philip Blundell <philb@gnu.org>
93 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
95 * config/arm/linux-elf.h: Remove historical relics related to
97 * config/arm/linux-oldld.h: Delete.
98 * config/arm/linux-elf26.h: Delete.
100 2001-02-26 Jason Merrill <jason@redhat.com>
102 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
104 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
105 recognize a tentative definition. Lose obsolete code.
107 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
108 variables unless necessary, either.
110 2001-02-25 Richard Henderson <rth@redhat.com>
112 * ifcvt.c (struct noce_if_info): Add test_bb.
113 (noce_get_alt_condition): New.
114 (noce_try_minmax, noce_try_abs): New.
115 (noce_operand_ok): New.
116 (noce_process_if_block): Use them.
117 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
119 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
121 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
124 2001-02-25 Zack Weinberg <zackw@stanford.edu>
126 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
127 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
129 (mips_asm_file_end): Free temp_filename here.
131 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
133 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
134 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
136 * config/i386/i386.md (movstrsi): Handle FAIL case.
138 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
140 * cppinit.c (builtin_array): Update.
141 (init_builtins): Flag builtins to warn if redefined or
142 undefined. Define __GXX_WEAK as a normal macro.
143 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
144 * cpplib.h (NODE_WARN): New flag.
145 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
146 Handle __STDC__ as a builtin only on Solaris.
147 (warn_of_redefinition): Renamed from check_macro_definition.
148 Reverse sense of test. Always warn if NODE_WARN.
149 (_cpp_create_definition): Use warn_of_redefinition. Flag
150 any macro beginning with "__STDC_" to require a mandatory
151 warning if redefined or undefined.
153 2001-02-24 Zack Weinberg <zackw@stanford.edu>
155 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
156 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
157 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
158 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
159 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
160 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
162 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
163 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
164 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
165 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
166 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
168 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
169 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
172 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
173 Delete now-empty file.
175 * alpha/vms.h: Define NEED_ATEXIT here...
176 * alpha/xm-vms.h: ...not here.
178 * i386/cygwin.h: Don't define PARAMS.
179 * mips/mips.c: Don't prototype mktemp. Don't define
180 P_tmpdir. Use make_temp_file to create temporary files.
181 Don't be clever and delete temporary files early.
182 * config.gcc: Drop references to deleted files. Don't define
184 * gcc.texi: Don't mention USE_PROTOTYPES.
186 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
188 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
189 (ix86_set_move_mem_attrs_1): Likewise.
190 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
191 * config/i386/i386.md (movstrsi): Call it.
193 2001-02-24 Zack Weinberg <zackw@stanford.edu>
195 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
196 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
197 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
198 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
200 (i750a-*-*): Error here if hosting on i750a.
201 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
203 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
204 Remove (empty modulo comments).
206 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
207 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
208 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
209 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
210 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
211 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
213 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
214 Remove reference to winnt.h in comment.
215 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
217 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
219 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
220 used to set another biv.
222 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
224 * tree.h (BLOCK_DEAD): New macro.
225 (struct tree_block): New flag, dead_flag.
226 * print-tree.c (print_node, case 'b'): Print missing fields.
227 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
228 * function.c (identify_blocks): Enable test for misplaced notes.
229 (all_blocks): Skip BLOCK_DEAD blocks.
230 * integrate.c (integrate_decl_tree): Likewise.
232 * errors.c (internal_error, trim_filename): New functions.
233 (fancy_abort): Call internal_error.
234 * errors.h (internal_error, trim_filename): New declarations.
236 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
238 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
240 (EXTRA_CONSTRAINT): Formatting changes.
242 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
244 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
246 2001-02-23 Per Bothner <per@bothner.com>
248 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
249 so they can be called from java/jvspec.c.
250 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
252 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
254 * i386.c (ix86_frame): New structure.
255 (ix86_compute_frame_size): Kill.
256 (ix86_compute_frame_layout): New.
257 (ix86_save_reg): New.
258 (ix86_can_use_return_insn_p): Use frame layout stuff.
259 (ix86_expand_prologue): Likewise.
260 (ix86_expand_epilogue): Likewise.
261 (ix86_initial_elimination_offset): Likewise.
262 (ix86_nsaved_regs): Use ix86_save_reg.
263 (ix86_emit_save_regs): Likewise.
265 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
267 * flow.c (find_sub_basic_blocks): New function.
268 (split_block): Be ready for basic block introduced by CODE_LABEL.
269 (commit_one_edge_insertion): Call find_sub_basic_block.
271 * flow.c (make_edges): Add edge from entry for blocks starting with
272 label having ALTERNATE_NAME
274 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
276 * function.c (epilogue_done): Be ready for first basic block not
277 containing PROLOGUE_END note.
278 (reposition_prologue_and_epilogue_notes): Avoid placing
279 PROLOGUE_END note between BASIC_BLOCK.
281 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
283 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
285 2001-02-21 DJ Delorie <dj@redhat.com>
287 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
288 check for current_function_has_nonlocal_goto from 1999-11-12.
290 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
292 * diagnostic.c (trim_filename): No longer static.
293 * toplev.h (trim_filename): Declare.
294 * rtl.c (rtl_check_failed_bounds): Call internal_error.
295 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
296 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
297 (rtvec_check_failed_bounds): Likewise.
298 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
300 * convert.c (convert_to_integer): Don't do unsigned unless result or
301 both inputs are unsigned.
303 * fold-const.c (fold_convert): Don't call size_int_type_wide if
306 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
308 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
310 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
312 * Makefile.in (resource.o): Add params.h dependence.
313 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
314 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
315 * resource.c: Add dependence on params.h.
316 (current_live_regs): Fix explanatory comment.
317 (find_basic_block): Add new parameter to permit limiting search
319 (mark_target_live_regs): Add new argument to find_basic_block call.
320 (incr_ticks_for_insn): Likewise.
322 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
324 * diagnostic.c (output_to_stream): Rename to
325 output_buffer_to_stream. Loses the stream parameter.
326 (init_output_buffer): Set diagnosic_buffer's stream.
327 (flush_diagnostic_buffer): Adjust.
328 (default_print_error_function): Likewise.
329 (finish_diagnostic): Likewise.
330 (verbatim): Likewise.
332 * diagnostic.h (struct output_buffer): Add `stream' field.
333 (output_buffer_attached_stream): New macro.
335 2001-02-23 Jakub Jelinek <jakub@redhat.com>
337 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
338 check if either operand is divisible by C.
339 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
340 If type is signed, consider negative numbers as well.
342 2001-02-22 Richard Henderson <rth@redhat.com>
344 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
345 reach .text instead of gp-relative relocs.
346 * config/ia64/crtend.asm (.init): Likewise.
348 2001-02-22 Andreas Jaeger <aj@suse.de>
350 * extend.texi (C++ Attributes): Fix typo.
352 2001-02-21 David Mosberger <davidm@hpl.hp.com>
354 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
355 functions, drop current_function_args_info.words test.
356 (ia64_compute_frame_size): Mark syscall_linkage functions as
357 using eight input registers.
359 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
360 Bruce Korb <bkorb@gnu.org>
362 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
363 * fixinc/README: Document how to convert sed substitutions
364 to format style c_fix-es.
365 * fixinc/fixincl.x: regen
367 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
369 * gcc.c: Add comment explaining how to add a command-line option.
370 Add title to specs language comment.
372 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
374 * gcc.c (cc1_options): Add "-param".
375 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
376 (option_map): Likewise.
377 * toplev.c (display_help): Add entry for "--param".
378 (independent_decode_option): Fix typographical error.
380 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
381 Bernd Schmidt <bernds@redhat.com>
382 Jan Hubicka <jh@suse.cz>
384 * i386.c (function_arg_advance): Pass SSE arguments in registers.
385 (function_arg): Likewise.
387 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
389 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
391 2001-02-21 Kazu Hirata <kazu@hxi.com>
393 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
397 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
399 * flow.c (init_propagate_block_info): Canon address and use single_set
400 for killing dead memory stores.
402 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
404 * Makefile.in (reorg.o): Add params.h dependence.
405 * params.def: Fix typographical error in comment.
406 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
407 * params.h: Modify introductory comment.
408 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
409 * reorg.c: Add dependence on params.h.
410 (redundant_insn): Add parameterized throttle for search.
411 (fill_simple_delay_slots): Add a comment explaining a variable.
412 Move conditional out of loop, simplifying code.
413 (fill_eager_delay_slots): Fix typographical error in comment.
415 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
417 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
419 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
420 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
422 2001-02-21 Jason Merrill <jason@redhat.com>
424 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
425 (struct tree_decl): Add uninlinable bitfield.
426 * c-decl.c (duplicate_decls): Set it.
427 * integrate.c (function_cannot_inline_p): Check it.
429 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
430 DW_AT_MIPS_linkage_name to abstract methods.
431 (dwarf2out_abstract_function): Emit class context before calling
432 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
433 (gen_subprogram_die): Remove obsolete code.
434 (gen_member_die): Don't include clones in the member list.
435 (gen_decl_die): Emit abstract info for clone origin.
436 * dwarfout.c (output_type): Don't include clones in the member list.
437 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
438 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
439 DECL_ABSTRACT on a function that already has it set.
441 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
442 (get_subprogram_die): Pass it in.
444 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
446 * flow.c (mark_set_1): Make not_dead unsigned long. For
447 non-pseudos, use it as a bitmask of the hard regs that
450 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
452 * cppfiles.c: Update comments.
453 (_cpp_read_file): Don't check for NULL filenames any more.
454 * cppinit.c (cpp_start_read): Don't do canonicalization of
455 in_fname and out_fname. Use the passed file name exclusively.
456 (_cpp_handle_options): Don't treat "-" as a command line option,
457 but as a normal filename.
458 (_cpp_post_options): Canonicalize in_fname and out_fname.
459 * cppmain.c (printer_init): Don't check out_fname for NULL.
460 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
461 (init_c_lex): Update, and use "" to represent stdin to CPP.
464 2001-02-20 Will Cohen <wcohen@redhat.com>
466 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
467 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
468 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
471 2001-02-20 Stan Shebs <shebs@apple.com>
473 * config/rs6000/rs6000.c (output_cbranch): Output branches
474 on separate lines instead of using ';' to separate.
476 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
478 * cppinit.c (set_lang): Move builtin handling to...
479 (init_builtins): ...here.
480 (_cpp_create_reader): Move call to set_lang.
482 2001-02-20 Mark Mitchell <mark@codesourcery.com>
484 * stmt.c (expand_return): If an attempt is made to return the
485 error_mar_node, treat the return like a return without a value.
487 2001-02-19 Zack Weinberg <zackw@stanford.edu>
489 * sibcall.c (skip_copy_to_return_value): Call
490 identify_call_return_value here, and return orig_insn if it
491 returns zero. Hardret and softret arguments now unnecessary.
492 (call_ends_block_p): Don't call identify_call_return_value here.
494 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
496 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
497 * ggc.h (ggc_mark_if_gcable): Delete prototype.
499 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
501 * pa.c (move_operand): Accept code to load the address of a
502 symbol out of the DLT as a valid move operand.
503 (print_operand, case 'A'): New to handle generating a DLT
504 reference for a LO_SUM expression.
505 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
506 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
508 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
510 * README, cpp.texi, gcc.texi, version.c: Update version number to
512 * cpp.1, gcov.1, gcc.1: Regenerate.
514 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
516 * cppfiles.c (stack_include_file): Generate dependencies
517 here, and manage include_count here too.
518 (PRINT_THIS_DEP): Delete.
519 (_cpp_execute_include): Do not generate dependencies here,
520 apart from the case of a missing header. Do not manage
522 (_cpp_read_file): Leave dependency generation to
525 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
527 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
528 target_cpu_default. Remove dead assignment to
531 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
533 * regclass.c (contains_reg_of_mode): Make global.
534 (init_reg_sets): Remove contains_reg_of_mode; take into account
535 CLASS_MAX_NREGS when looking for the proper mode.
536 (dump_regclass): Dump only classes considered for the pseudo.
537 (regclass): Use contains_reg_of_mode.
539 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
541 * gcc.c (do_spec_1): 'n' for printing notices.
542 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
544 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
546 * reg-stack.c (next_flags_user): Use current_block->end
547 (swap_rtx_condition): Look for next user if flags don't die;
548 give up on CALL_INSNs; use current_block->end.
550 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
552 * sibcall.c (call_ends_block_p): New function.
553 (optimize_sibling_and_tail_recursive_call): Use it.
555 2001-02-18 Kazu Hirata <kazu@hxi.com>
557 * config/h8300/h8300.md: Update copyright.
558 (andsi3): Do not output an extra newline character.
560 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
562 * toplev.c (note_deferral_of_defined_inlined_function): Argument
563 FNDECL may be unused.
565 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
566 follow jumps after first run.
567 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
568 it doesn't change any jumps.
570 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
572 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
573 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
574 (mostlyclean): Corresponding changes.
575 * rtlanal.c (hard-reg-set.h): Include.
576 (rtx_unstable_p): Do not treat the argument pointer specially
577 if it is not a fixed register.
578 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
580 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
582 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
583 against last real insn in basic block.
584 Rework to avoid gotos.
586 * Makefile.in (gcse.o): Now includes ggc.h.
587 * gcse.c: Include ggc.h.
588 (want_to_gcse_p): Verify expression can be in SET as valid insn.
589 (try_replace_reg): Remove warning of uninitialize variable.
590 (process_insert_insn): Call invalid_insn_p to validate insn.
591 * recog.c (insn_invalid_p): Now global.
592 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
593 * recog.h (insn_invalid_p): New declaration.
595 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
597 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
598 assignments from FP constants since 'Y' output code can't handle it.
599 (eligible_for_sibcall_delay): Likewise.
601 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
602 Call fancy_abort directly, passing args.
603 (print_rtl_and_abort): Now a macro, like fancy_abort.
605 * final.c (output_operand_lossage): Use internal_error, not error.
607 2001-02-18 Shane Nay <shane@agendacomputing.com>
609 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
610 structure shift insns.
612 2001-02-18 Mark Mitchell <mark@codesourcery.com>
614 * invoke.texi (-fsquangle): Remove documentation.
615 (-fname-mangling-version): Likewise.
617 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
619 * optabs.c (expand_abs): Remove reference to
620 HAVE_contitional_arithmetic.
621 * combine.c (simplify_set): Likewise.
623 2001-02-18 Richard Henderson <rth@redhat.com>
625 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
628 2001-02-18 Richard Henderson <rth@redhat.com>
630 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
632 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
634 * reload1.c (reload_cse_simplify_set): Fix typo.
636 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
638 * diagnostic.c (_fatal_insn): Decrement errorcount.
640 * invoke.texi (-I): Add note avoiding use for system header files.
642 * rtl.h (add_clobbers): Remove duplicate declaration.
643 * recog.h (added_clobbers_hard_reg_p): New declaration.
644 * genemit.c (struct clobber_pat): New field has_hard_reg.
645 (gen_insn): Record if added clobbers clobber hard reg.
646 (gen_split): Avoid unused warning if number of operands is 0.
647 (output_added_clobbers_hard_reg_p): New function.
650 2001-02-18 Alan Modra <alan@linuxcare.com.au>
652 * pa.c (hppa_expand_prologue): Simplify code storing return
653 pointer. For large (>=8k) frames with a post_store, adjust stack
654 pointer by 8k-64 first rather than by 64. When testing with
655 VAL_14_BITS_P, always use the actual value rather than the value
656 negated. Add blockage to prevent scheduling of spills before
657 stack frame has been created.
658 (hppa_expand_epilogue): Simplify code loading return pointer.
659 Allow a slightly larger range for merge_sp_adjust_with_load case.
660 When testing with VAL_14_BITS_P, always use the actual value.
662 * pa.c (pa_adjust_insn_length): Check that block move
663 pattern is a set before looking at operands.
665 2001-02-17 Mark Mitchell <mark@codesourcery.com>
667 * fold-const.c (fold_binary_op_with_conditional_arg): New
668 function, split out from ...
670 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
671 conditional arms that throw exceptions.
673 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
676 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
678 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
679 define HAVE_DECL_* to 1 to mask potential backup declarations.
680 * configure: Regenerated.
682 2001-02-17 Mark Mitchell <mark@codesourcery.com>
684 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
686 2001-02-17 Richard Henderson <rth@redhat.com>
688 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
689 when replacing a memory load with a register.
691 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
692 Jan Hubicka <jh@suse.cz>
694 * recog.c (validate_replace_src_1): New.
695 (validate_replace_src_data): Likewise.
696 (validate_replace_src): Use note_uses.
697 * rtl.h (note_uses): Declare.
698 * rtlanal.c (note_uses): New.
700 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
702 * reg-stack.c (stack_def): Make field reg unsigned.
703 (remove_regno_note): Unsignetize parameter.
705 2001-02-16 Jes Sorensen <jes@linuxcare.com>
707 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
708 shladd_operand() call.
710 2001-02-16 Bruce Korb <bkorb@gnu.org>
711 Rodney Brown <RodneyBrown@mynd.com>
713 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
714 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
716 * fixinc/fixincl.x: regen
718 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
720 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
722 (hash_scan_insn): Clean up calls to hash_scan_set.
723 (compute_kill_rd): REGNO now unsigned.
724 (try_replace_reg): Rework to use simplify_replace_rtx.
725 (cprop_jump, cprop_cc0_jump): Likewise.
726 (cprop_insn): Call find_reg_equal_equiv_note.
727 Reflect changes to cprop_jump and cprop_cc0_jump.
729 * recog.c (validate_replace_src): Replace in operands of
730 ZERO_EXTRACT in SET_DEST.
732 * cse.c (new_label_ref): New variable.
733 (insert): Set it instead of recorded_label_ref.
734 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
735 CODE_LABEL for this function, and not already in REG_LABEL note.
737 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
739 * resource.c (mark_referenced_resources): Fix typo in introductory
741 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
744 2001-02-16 Jason Merrill <jason@redhat.com>
746 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
748 (gen_subprogram_die): Don't abort on seeing a second definition if
749 the previous one was abstract. Don't replace an abstract instance
752 * dwarf2out.c (dwarf2out_abstract_function): Rename from
753 gen_abstract_function.
754 * dwarf2out.h: Declare it.
755 * toplev.c (note_outlining_of_inline_function): New fn.
756 * toplev.h: Declare it.
757 * integrate.c (output_inline_function): Call it.
758 * c-decl.c (duplicate_decls): Call it when redefining an extern
759 inline. Don't inline the new defn.
761 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
763 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
765 * .gdbinit: Rename to gdbinit.in.
766 * gdbinit.in: New file,
767 * configure.in: Generate .gdbinit from gdbinit.in.
768 * configure: Regenerated.
769 * Makefile.in (distclean): Always remove .gdbinit.
771 2001-02-16 Jakub Jelinek <jakub@redhat.com>
773 * objc/objc-act.c (start_class): Register implemented_classes with
776 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
778 * cppfiles.c (_cpp_make_system_header): Generate a file
781 2001-02-15 Jim Meyering <meyering@lucent.com>
783 * Makefile.in (install-common): Don't depend on installdirs here.
784 Instead, make each of the lang.install-common targets (e.g.,
785 c++.install-common in cp/Make-lang.in) depend on it.
786 (install-driver): Depend on installdirs.
788 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
790 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
792 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
795 2001-02-15 Mark Mitchell <mark@codesourcery.com>
797 * invoke.texi (--param): Document.
799 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
801 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
803 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
805 * i386.md (extendsfdf2_2): Fix constraints.
807 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
809 * i386.md (fop_df_3 splitter): Fix operand number.
811 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
813 * invoke.texi (-mreg-alloc): Nuke.
814 * i386.c (ix86_reg_alloc_order, regs_allocated,
815 order_regs_for_local_alloc): Nuke.
816 (override_options): Kill reg_alloc code.
817 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
818 (REG_ALLOC_ORDER): SSE goes before I387.
819 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
820 (ix86_reg_alloc_order): Likewise.
821 * i386-protos.h (ix86_reg_alloc_order): Kill.
823 2001-02-14 Richard Henderson <rth@redhat.com>
825 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
827 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
829 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
831 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
833 * i386-protos.h (ix86_memory_move_cost): Move offline.
834 * i386.c (ix86_register_move_cost): Compute properly cost of
835 SSE, MMX and i387 instructions.
836 (*_cost): Add costs of SSE/MMX moves.
837 (ix86_memory_move_cost): Move offline from ....; Likewise.
838 * i386.h (MEMORY_MOVE_COST): .... here;
839 (struct processor costs): Add new fields to represent costs
842 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
844 * regclass.c (init_reg_sets_1): Reinstall the optimization of
845 move_cost together with Matt Kraai's fix.
847 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
849 * Makefile.in (OBJS): Add params.o.
851 2001-02-14 Richard Henderson <rth@redhat.com>
852 DJ Delorie <dj@redhat.com>
854 * jump.c (jump_optimize_1): When we delete a conditional jump
855 preceeding a non-conditional jump to effectively the same place,
856 make sure that the combined jump skips any clobber insns between
859 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
861 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
863 2001-02-14 Mark Mitchell <mark@codesourcery.com>
865 * Makefile.in (toplev.o): Depend on params.h.
866 (intergate.o): Likewise.
867 (params.o): New target.
868 * flags.h (inline_max_insns): Remove.
869 * integrate.c: Include params.h.
870 Use MAX_INLINE_INSNS instead of inline_max_insns.
871 * params.c: New file.
872 * params.h: Likewise.
873 * params.def: Likewise.
874 * toplev.c: Include params.h.
875 (lang_independent_params): New variable.
876 (decode_f_option): Use the param machinery instead of setting
878 (independent_decode_option): Handle "--param name=value".
879 (main): Register language-independent parameters.
881 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
883 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
885 2001-02-14 Richard Henderson <rth@redhat.com>
887 * regclass.c (init_reg_sets_1): Revert last two changes.
889 2001-02-14 Jakub Jelinek <jakub@redhat.com>
891 * stor-layout.c (is_pending_size, put_pending_size): New functions.
892 (variable_size): Call put_pending_size.
893 * tree.h (is_pending_size, put_pending_size): Add prototypes.
894 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
895 sizes list, put newly created SAVE_EXPR there as well.
897 2001-02-14 Jakub Jelinek <jakub@redhat.com>
899 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
900 (errata_find_address_regs): load_group has only 2 entries.
901 (errata_emit_nops): Likewise. shladd is not problematic.
902 Clear last_group if nop was emitted.
903 (fixup_errata): load_group has only 2 entries.
906 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
908 * c-lex.c (lex_number): Only warn traditionally for U suffix
909 outside system macros.
910 * cppexp.c (parse_number): Similarly.
911 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
912 * cppmacro.c (struct cpp_macro): New member node.
913 (parse_args): Only warn about missing rest args if not
915 (funlike_invocation_p): Similarly for uninvoked funlike macros.
916 (cpp_sys_objmacro_p): New.
917 (_cpp_create_definition): Store the node with the macro defn.
918 Remember if the macro is defined in a system header.
920 2001-02-13 DJ Delorie <dj@redhat.com>
922 * configure.in (check_languages): determine languages to check
923 * Makefile.in (check-c++): alias for check-g++
924 (check-f77): alias for check-g77
925 (CHECK_TARGETS): depend on configured languages
927 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
929 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
930 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
931 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
932 (sqrtextendsfdf2): Disable for SSE2.
934 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
936 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
937 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
938 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
939 (sqrtextendsfdf2): Disable for SSE2.
941 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
943 * i386.md (movsfcc_1): Support integer cmove instruction.
944 (movdfcc_1): Likewise; new splitter.
946 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
948 * i386.c (output_fp_compare): Support SSE.
949 (prepare_fp_compare_args): SSE comparisons always support memory.
950 * i386.h (TARGET_CMOVE): SSE imply cmove.
951 * i386.md (cmp?f2): Enable for SSE too.
952 (cmpfp_i*): Support SSE.
954 (cmpfp_i_sse_only): New.
955 (s*, b* fp expanters): Enable for SSE too.
956 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
959 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
961 * regclass.c (init_reg_sets_1): Silence warning.
963 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
965 * i386.md (sqrt?f2): Change to expander.
966 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
968 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
970 * rtlanal.c (find_reg_equal_equiv_note): New function.
971 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
972 (simplify_gen_relational, simplify_replace_rtx): Likewise.
973 * rtl.h: Add declarations for above functions.
975 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
977 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
979 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
980 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
981 * flow.c (mark_regs_live_at_end): Likewise.
982 (calculate_global_regs_live): Likewise.
983 * gcse.c (compute_hash_table): Likewise.
984 (compute_kill_rd): Likewise.
985 * resource.c (mark_target_live_regs): Likewise.
986 * rtl.h (INVALID_REGNUM): New macro.
988 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
990 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
992 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
994 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
997 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
999 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1001 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1002 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1003 (fop_sf_1_sse, fop_df_1_sse): New patterns
1004 (fop_*): Disable float_extend and float patterns for SSE compilation.
1005 * i386.c (output_387_binary_op): Support SSE.
1007 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1009 * i386.md (dummy_extendsfdf2): Support SSE2
1010 (extendsfdf2): Enable if 80387 or SSE2.
1011 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1012 and no MIX_I387_SSE2
1013 (extendsfdf2_1_sse_only): New pattern.
1014 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1016 (truncdfsf2_1): Support SSE.
1017 (truncdfsf2_2): Support SSE.
1018 (truncdfsf2_2_1_sse): New pattern.
1019 (fixtruncsfsi2): Always use SSE if available.
1020 (fix_truncsfsi_sse): New pattern.
1021 (fix_truncdfsi_sse): New pattern.
1022 (floatsis?f2): Support SSE.
1023 (floatsidf2_i387): New pattern.
1024 (floatsidf2_sse): Likewise.
1026 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1028 * configure.in: Use "have_gnat" variable, not "gnat".
1029 * configure: Regenerated.
1031 * config/sparc/sparc.c (function_value): Treat all non-record
1032 aggregate types like used to treat UNION_TYPE.
1034 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1036 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1037 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1039 (MASK_MIX_SSE_I387): New.
1040 (TARGET_SSE): SSE2 imply SSE.
1041 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1042 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1043 (enum reg_class): Add new classes.
1044 (REG_CLASS_NAMES): Likewise.
1045 (REG_CLASS_CONTENTS): Likewise.
1046 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1047 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1048 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1049 (CLASS_MAX_NREGS): Use new macros.
1050 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1051 * i386.md (pushsf, movsf): Support SSE.
1052 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1053 splitters to use ANY_FP_REGNO_P.
1054 (movdf_nointeger, movdf_integer): Likewise.
1056 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1058 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1059 (try_combine): Use it.
1061 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1063 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1064 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1065 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1066 (REGISTER_MOVE_COST): Likewise.
1067 * i386-protos.h (ix86_secondary_memory_needed,
1068 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1069 * i386.c (ix86_secondary_memory_needed,
1070 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1072 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1074 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1075 (HARD_REGNO_MODE_OK): Move offline to ....
1076 * i386.c (ix86_hard_regno_mode_ok) ... here;
1077 refuse all incorrect modes.
1078 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1080 2001-02-13 Richard Henderson <rth@redhat.com>
1082 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1083 entire operator; replicate that and match_dup the operands.
1084 (cmp_ccx_arith_op_set): Likewise.
1085 (cmp_cc_arith_op_not_set): Likewise.
1086 (cmp_ccx_arith_op_not_set): Likewise.
1088 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1090 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1092 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1094 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1095 (TARGET_NO_BITFIELD_WORD): New macro.
1096 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1097 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1099 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1101 * cselib.c: New file, from simplify-rtx.c.
1102 * simplify-rtx.c: Remove cselib parts.
1103 * Makefile.in: Add cselib.o.
1105 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1107 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1108 (setup_incoming_varargs): Remove warning.
1110 * config/rs6000/rs6000.c (validate_condition_mode): When
1111 flag_fast_math, allow floating-point conditionals to be reversed.
1112 (rs6000_generate_compare): When flag_fast_math, don't generate
1113 cror operations for FP conditionals.
1115 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1117 (ASM_SPEC): Likewise.
1118 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1119 (CC1_SPEC): Likewise.
1120 (LINK_TARGET_SPEC): Likewise.
1121 (CPP_ENDIAN_SPEC): Likewise.
1122 * Makefile.in (check-consistency): New target.
1124 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1126 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1127 "return type defaults" warning for functions with return type
1129 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1130 function declarations by default rather than only when pedantic.
1132 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1134 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1137 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1139 * extend.texi (Deprecated): Deprecate new initializer lists.
1141 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1143 * mkdeps.c (deps_add_default_target): Robustify. Add
1144 basename component only.
1145 * cpp.texi (-M): Describe how default target is generated.
1146 * invoke.texi (-M): Likewise.
1148 2001-02-12 Kazu Hirata <kazu@hxi.com>
1150 * toplev.c (push_float_handler): Remove.
1151 (pop_float_handler): Remove.
1152 * toplev.h: Remove prototypes for the above functions.
1154 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1156 * c-common.c (constant_fits_type_p): New function.
1157 (convert_and_check): Use it.
1159 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1161 * Makefile.in (GXX_ABI_FLAG): Don't define.
1162 * configure.in (--enable-new-gxx-abi): Remove option.
1163 * config.in: Regenerated.
1164 * configure: Likewise.
1166 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1168 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1170 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1171 regular basic block, and arrange for all edges into it to switch
1174 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1176 * Makefile.in (distclean): Do not remove .gdbinit.
1178 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1180 * Makefile.in (gcc.o): Fix typos.
1181 (protize.o): Likewise.
1182 (unprotoize.o): Likewise.
1184 2001-02-11 Richard Henderson <rth@redhat.com>
1186 * tree.c (build1): Check for null operand in last change.
1188 2001-02-11 Richard Henderson <rth@redhat.com>
1190 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1191 (fold): Don't assume a constant isn't foldable.
1192 * tree.c (build): Set TREE_CONSTANT for an expression with no
1193 side-effects and constant operands.
1196 2001-02-10 Richard Henderson <rth@redhat.com>
1198 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1200 2001-02-10 Anthony Green <green@redhat.com>
1202 * cpp.texi (Standard Predefined): Add documentation for
1205 * c-common.c (combine_strings): Improve warning message.
1207 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1209 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1211 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1213 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1215 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1218 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1220 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1223 2001-02-09 Nick Clifton <nickc@redhat.com>
1225 * config/arm/arm.md: Change output contraint on post inc
1226 load/store multiple patterns to be a read/write contraint.
1228 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1230 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1231 .o files when using the -M options.
1233 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1234 David Edelsohn <edelsohn@gnu.org>
1236 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1237 handle DImode constants. Use one TOC entry for SImode and smaller
1238 constants, aligned properly.
1240 2001-02-08 Jason Merrill <jason@redhat.com>
1242 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1243 about the SP adjustment for saving the static chain pointer.
1244 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1245 offset when setting a temporary CFA register.
1247 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1249 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1250 powerpc-*-chorusos* .
1251 * config/rs6000/chorus.h : New file.
1252 * config/i386/chorus.h : New file.
1253 * config/sparc/chorus.h : New file.
1254 * config/sparc/t-chorus-elf : New file.
1256 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1258 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1259 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1260 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1261 (__WCHAR_TYPE__): Correct macro name.
1263 2001-02-08 Richard Henderson <rth@redhat.com>
1265 * config/i386/i386.c (ix86_frame_pointer_required): New.
1266 (ix86_setup_frame_addresses): New.
1267 (struct machine_funciton): Add accesses_prev_frame.
1268 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1269 ix86_frame_pointer_required.
1270 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1271 (SETUP_FRAME_ADDRESSES): New.
1272 * config/i386/i386-protos.h: Update.
1273 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1274 from FRAME_POINTER_REQUIRED.
1275 * config/i386/svr3gas.h: Likewise.
1276 * config/i386/sysv3.h: Likewise.
1277 * config/i386/v3gas.h: Likewise.
1279 2001-02-08 Richard Henderson <rth@redhat.com>
1281 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1282 calculation of the number of integer registers required.
1283 (function_arg_record_value): Likewise.
1285 2001-02-08 Jason Merrill <jason@redhat.com>
1287 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1288 two. Print file and line with "confused" message.
1290 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1292 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1294 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1296 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1298 * final.c (cleanup_subreg_operands): The address of a MEM can
1301 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1304 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1306 * gcc.texi (Incompatibilities): Update documentation of
1307 preprocessing numbers.
1309 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1311 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1313 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1315 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1317 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1318 * gcc.c (struct compiler): Add cpp_spec field.
1319 (input_file_compiler): New variable.
1320 (do_spec_1): Allow a particular compiler to handle `%C'
1322 (main): Store the current compiler in input_file_compiler.
1323 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1325 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1327 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1328 * cppinit.c (cpp_create_reader): Initialize them.
1329 (append_include_chain): cxx_aware arg might be unused.
1330 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1331 keywords and give them their phase 7 meaning. Pedwarn about
1332 this unless '__bool_true_false_are_defined' is defined.
1334 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1336 * lcm.c (optimize_mode_switching): Emit mode_set before the
1337 JUMP_INSN of an abnormal edge.
1339 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1341 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1342 a scheduling barrier at the end.
1344 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1346 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1348 * config/sh/sh.md (reload_outsf): Removed.
1349 (movsf_ie): Introduce constraints for FPUL loads and stores.
1350 (reload_insf): Broaden the output constraint.
1352 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1354 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1355 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1357 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1359 * final.c: Revert my previous changes.
1360 * output.h: Make profile_label_no extern.
1361 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1362 for generating label.
1364 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1366 * config/i386/djgpp.h: Add comments about standard paths.
1367 (MD_EXEC_PREFIX): Undefine before defining.
1368 (MD_STARTFILE_PREFIX): New.
1370 2001-01-30 Bruce Korb <bkorb@gnu.org>
1372 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1373 (load_file): do not rely on load_file_data() to close file pointer
1374 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1375 fixinc/inclhack.def(irix_limits_const): add test_text
1377 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1379 * cppexp.c (parse_defined): Improve diagnostics for invalid
1382 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1384 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1386 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1388 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1389 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1390 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1391 (rs6000_output_symbol_ref): New function.
1392 (output_toc): Use VTABLE_NAME_P.
1394 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1396 * print-tree.c (print_node, case PARM_DECL):
1397 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1399 * stor-layout.c (reference_types_internal): New variable.
1400 (internal_reference_types): New function.
1401 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1402 * tree.h (internal_reference_types): New declaration.
1404 * cse.c (find_best_addr): Fix typo in computing cost.
1406 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1408 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1409 and this is the sum of a pointer and a constant, we know the result
1411 (num_sign_bit_copies, case PLUS): Likewise.
1412 * explow.c (convert_memory_address): Remove opposite SUBREG.
1413 * function.c (instantiate_new_reg): New function (from common code).
1414 (instantiate_virtual_regs_1): Call it.
1415 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1416 if pointers sign- or zero-extend.
1417 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1418 If pointers extend unsigned, use inside of SUBREG.
1419 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1421 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1423 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1424 subdir of gcc_gxx_include_dir.
1425 (gcc_gxx_target_include_dir): Remove.
1427 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1429 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1430 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1431 a high-level description.
1433 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1435 * final.c: Move the declaration of profile_label_no to ...
1436 * output.h: ... here.
1437 * function.c (expand_function_start): Call PROFILE_HOOK.
1438 * config/rs6000/aix.h: Define PROFILE_HOOK.
1439 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1440 * config/rs6000/rs6000.c (output_profile_hook): Define.
1441 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1442 output_profile_hook.
1443 tm.texi : Explain new macro PROFILE_HOOK.
1445 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1447 * extend.texi (Extended Asm): Do not say that semicolon is always
1448 a valid line-breaking character for GNU assemblers. Use
1449 newline-tab as the most commonly supported syntax. Use
1450 newline-tab rather than semicolon in multi-insn examples.
1452 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1454 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1456 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1457 David Edelsohn <edelsohn@gnu.org>
1459 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1460 code for AIX, even without flag_pic.
1462 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1464 * c-typeck.c (common_type): push and pop binding level around
1465 calling common_type on function parameters.
1467 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1469 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1471 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1473 * config/mips/mips.c (override_options): Fix typo in last change.
1474 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1475 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1477 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1479 * invoke.texi (-fdump-class-layout): Document.
1480 (-fdump-translation-unit): Use `=' as filename separator.
1482 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1484 * Makefile.in (s-mlib): Don't build multilibs if
1486 (DRIVER_DEFINES): Adjust accordingly.
1488 (protoize.o): Likewise.
1489 (unprotoize.o): Likewise.
1490 * configure.in: Recognize --enable-multilib.
1492 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1494 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1496 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1497 * configure.in: Remove --enable-libstdcxx_v3 support.
1498 * configure: Regenerated.
1500 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1502 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1503 Call abort instead of fatal.
1504 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1505 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1506 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1507 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1508 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1509 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1511 * diagnostic.h (set_internal_error_function): Renamed.
1512 * toplev.h (internal_error): Renamed from fatal.
1513 (pfatal_with_name): Deleted.
1514 (fatal_io_error): Now has printf-style arguments.
1515 * diagnostic.c (pfatal_with_name): Deleted.
1516 (fatal_io_error): Rework to have args in printf-style.
1517 (set_internal_error_function): Renamed from set_fatal_function.
1518 (internal_error): Renamed from fatal.
1519 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1520 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1521 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1522 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1523 * flow.c (verify_flow_info): Likewise.
1524 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1525 * config/mips/mips.c (save_restore_insns): Likewise.
1527 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1528 * flow.c (verify_flow_info): Likewise.
1529 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1530 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1531 (avr_normalize_condition): Likewise.
1532 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1533 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1534 (limit_reload_class, double_reg_to_memory): Likewise.
1535 (print_operand_address, emit_1600_code_shift): Likewise.
1536 (gen_tst_reg, gen_compare_reg): Likewise.
1537 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1538 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1540 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1542 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1543 * objc/objc-act.c (build_ivar_chain): Likewise.
1544 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1546 * graph.c (clean_graph_dump_file): Likewise.
1547 * profile.c (init_branch_prob): Likewise.
1548 * objc/objc-act.c (objc_init): Likewise.
1550 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1551 * config/avr/avr.c (avr_override_options): Likewise.
1552 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1553 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1554 * config/h8300/h8300.c (h8300_init_once): Likewise.
1555 * config/mips/mips.c (override_options): Likewise.
1556 * config/i386/i386.c (override_options): Likewise, rework.
1557 * config/m68k/m68k.c (override_options): Likewise.
1559 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1561 * config/mips/mips.c (print_operand): Likewise.
1562 * hash.c (hash_allocate): Don't check for failure returns from
1563 obstack functions that can't fail.
1564 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1565 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1566 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1567 (get_object_reference): Likewise.
1569 2001-02-04 Nick Clifton <nickc@redhat.com>
1571 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1572 StrongARM1110, 10TDMI, and 1020T.
1574 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1576 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1578 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1580 * config/sh/sh.md (movdf load split): Pass register number to
1581 FP_OR_XD_REGISTER_P.
1583 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1585 * cppinit.c (BC): New macro.
1586 (builtin_array): Add __GXX_WEAK__.
1587 * cpplib.h (builtin_type): Add BT_WEAK.
1588 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1589 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1590 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1592 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1594 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1596 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1598 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1599 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1601 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1603 * cpphash.h: Rename ALIGN _ALIGN.
1604 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1606 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1608 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1609 compilation environment.
1610 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1611 control over location of cygwin includes and libs.
1613 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1615 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1617 2001-02-02 lars brinkhoff <lars@nocrew.org>
1619 * md.texi (Standard Names): remove reference to spur.md.
1621 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1623 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1624 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1625 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1626 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1627 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1629 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1631 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1632 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1633 number before reload.
1634 (c4x_adjust_cost): Return zero before reload.
1635 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1636 split before reload.
1638 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1640 * c4x.c (c4x_hard_regno_rename_ok): New.
1641 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1642 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1644 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1646 * diagnostic.h: Add missing "extern" in all declarations.
1648 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1650 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1651 as for gcc_gxx_include_dir.
1653 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1655 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1657 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1659 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1660 label before alignment to be used as the braf base address.
1661 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1663 (casesi_jump_2): Require at least TARGET_SH2.
1665 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1666 truncation to 32-bit doubles on -m3e and -m4-single-only.
1668 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1670 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1671 the default when building a shared object.
1672 (init_spec): Use it.
1673 * testsuite/lib/g++.exp: Include the directory where libgcc
1674 is located to the LD_LIBRARY_PATH list.
1675 * invoke.texi (-shared-libgcc): Document the cases in which
1676 GCC defaults to using the shared libgcc.
1678 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1680 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1681 unsigned is wide enough.
1683 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1684 (si_to_float): Likewise.
1685 (float_to_si, float_to_usi): Use BITS_PER_SI.
1687 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1689 * dwarf2out.c: Added explanation of abbreviations.
1690 (def_cfa_1): Added comments listing DWARF2 instructions.
1691 (cfa_temp_reg): Removed in favor of cfa_temp.
1692 (cfa_temp_value): Removed in favor of cfa_temp.
1693 (cfa_temp): New global variable.
1694 (dwarf2out_frame_debug_expr): Added extensive introductory
1695 comments explaining the function's transformations. Revised to
1696 use cfa_temp. Added some rtx checking. Generalize IOR case.
1697 (dwarf2out_frame_debug): Revised to use cfa_temp.
1698 (output_aranges): Cast as "unsigned" to avoid warning.
1699 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1700 explain which instructions must be marked.
1702 2001-02-01 Richard Henderson <rth@redhat.com>
1704 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1707 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1709 * config/sh/crt1.asm (main_k): Modified so that start calls
1710 ___setup_argv_and_call_main.
1712 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1714 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1715 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1716 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1717 * cppmacro.c (builtin_macro): Set builtin flags here.
1718 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1719 (replace_args): Clarify intent.
1720 (cpp_get_token): Macro expansion tokens get the saved flags.
1722 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1725 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1727 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1730 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1732 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1733 returns Pmode pseudo, but we need ptr_mode.
1734 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1735 Remove bogus conversions; use HOST_WIDE_INT for size.
1736 Don't use TARGET if wrong mode.
1738 * config/i386/i386.c (ix86_compute_frame_size): Allow
1739 stack_alignment_needed to be non-default even if size is zero.
1741 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1743 * (hppa_init_pic_save): Emit the pic offset table
1744 reg save after last_parm_insn.
1745 * pa.c (hppa_init_pic_save): New function.
1746 * pa.h (hppa_init_pic_save): Declare.
1747 * pa.md (call, call_value, sibcall, sibcall_value): Use
1748 the above instead of duplicated code.
1750 * pa.c (hppa_encode_label): Correct size of alloca buffer
1751 so we don't overrun it. Correct leading `*' case.
1752 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1753 need to handle `*@'.
1754 (FUNCTION_NAME_P): Likewise.
1756 2001-01-31 Richard Henderson <rth@redhat.com>
1758 * config.gcc (alpha-osf5): Use float-i128.h.
1760 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1761 * config/float-i32.h: Likewise.
1762 * config/float-i64.h: Likewise.
1763 * config/float-sh.h: Likewise.
1764 * config/float-sparc.h: Likewise.
1766 2001-01-31 DJ Delorie <dj@redhat.com>
1768 * expmed.c (extract_bit_field): allow non-integral modes if we
1769 want to extract a whole register from itself.
1771 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1773 * c-typeck.c (set_init_index): If first is equal to last, assume as
1774 if it was not a range at all.
1776 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1778 * config/fp-bit.c: Include tm.h.
1779 (float_to_si): Don't assume SImode is 32-bits wide.
1780 (float_to_usi): Likewise.
1782 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1784 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1786 (typename): Call pending_xref_error after parsing typed_typespecs.
1787 * c-decl.c (lookup_tag): Give error immediately rather than
1788 leaving it pending if the tag of the wrong type is in the same
1790 (xref_tag): Don't pedwarn for forward declarations of enum types
1792 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1795 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1797 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1799 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1801 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1802 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1804 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1806 * cpphash.h (struct cpp_reader): New saved_flags.
1807 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1808 to avoid a paste after a pasted token.
1810 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1812 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1813 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1814 Wtype_MIN instead of LONG_MIN.
1816 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1818 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1820 * fixinc/fixincl.x: Regenerated.
1821 * fixinc/inclhack.def (irix_limits_const): New definition to
1822 convert "const" to "__const" in limits.h.
1824 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1826 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1828 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1830 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1831 when register dies in the insn.
1833 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1835 * diagnostic.c (fatal): Fix word wrap.
1837 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1839 * combine.c (try_combine): Fix SUBREG setting for
1840 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1842 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1844 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1847 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1849 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1851 * toplev.c (decode_W_option): Update warn_larger_than
1852 unconditionally for each processed switch.
1854 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1856 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1858 (hppa_expand_prologue): Delete code to save pic offset table register
1859 in the function prologue.
1860 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1861 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1862 table register at the beginning of the function after the prologue.
1864 2001-01-29 lars brinkhoff <lars@nocrew.org>
1866 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1868 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1869 Jeff Law <law@redhat.com>
1871 * pa.md (return): Revise comment for trivial return.
1872 (return_internal): Non-trivial return pattern for non-PIC code.
1873 (return_internal_pic): Non-trivial return pattern for PIC code.
1874 It uses the PIC register to ensure it is restored after
1876 (epilogue): Generate appropriate return for PIC and non-PIC code.
1878 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1880 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1882 2001-01-29 DJ Delorie <dj@redhat.com>
1884 * combine.c (if_then_else_cond): Pass the correct mode to
1885 operand_subword() for constants.
1887 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1889 * config/i386/cygwin.h: Add w32api to include search. Search different
1890 directories in a cross-build environment.
1892 2001-11-29 Tim Josling <tej@melbpc.org.au>
1894 * tree.h (TYPE_STUB_DECL): Add documentation.
1896 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1898 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1899 (sdbout_field_types): Likwise. Fix use of host_integerp.
1901 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1903 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1906 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1908 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1909 to use flag_gnu_linker.
1911 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1913 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1914 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1916 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1918 * tree.c, tree.h (build_parse_node): Remove; was identical to
1920 * c-lang.c (start_cdtor), objc/objc-act.c
1921 (build_module_descriptor): Use build_nt instead of
1924 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1926 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1927 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1928 not have any upper bits set.
1930 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1932 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1934 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1936 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1938 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1940 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1941 (integer_minus_one_node): Define.
1943 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1945 * Makefile.in (bootstrap2-lean): Fix typo.
1947 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1949 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1950 : Don't set fe_value.
1951 * cpplib.h (AVOID_LPASTE): New flag.
1952 (struct cpp_hashnode): Remove fe_value.
1953 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1954 * cppmacro.c (builtin_macro): Don't set flags here.
1955 (replace_args): Set AVOID_LPASTE flag on first token of an
1956 argument, and the token following it.
1957 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1958 macro expansion, and on the token following it. Do it for
1960 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1962 2001-01-27 Richard Henderson <rth@redhat.com>
1964 * config/alpha/t-ieee: Remove multilibbing.
1965 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1967 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1969 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1971 * Makefile.in: Remove all dependencies on defaults.h.
1972 * builtins.c: Don't include defaults.h.
1973 * c-common.c: Likewise.
1974 * c-decl.c: Likewise.
1975 * c-pragma.c: Likewise.
1976 * c-typeck.c: Likewise.
1977 * combine.c: Likewise.
1979 * frame-ia64.c: Likewise.
1980 * cppexp.c: Likewise.
1981 * crtstuff.c: Likewise.
1982 * dbxout.c: Likewise.
1983 * dwarf2out.c: Likewise.
1984 * dwarfout.c: Likewise.
1985 * emit-rtl.c: Likewise.
1986 * except.c: Likewise.
1988 * final.c: Likewise.
1989 * frame-dwarf2.c: Likewise.
1990 * libgcc2.c: Likewise.
1991 * optabs.c: Likewise.
1992 * profile.c: Likewise.
1993 * sdbout.c: Likewise.
1994 * toplev.c: Likewise.
1995 * tradcif.y: Likewise.
1997 * varasm.c: Likewise.
1999 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2001 * builtins.c (expand_builtin_fputs): Use size_one_node when
2002 transforming into fwrite.
2004 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2006 * extend.texi (Attribute Syntax): New section.
2008 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2010 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2011 they didn't need fixing.
2013 2001-01-27 Janis Johnson <janis@us.ibm.com>
2015 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2017 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2018 to remove macro definitions that are duplicated from elfos.h.
2020 2001-01-27 Richard Henderson <rth@redhat.com>
2022 * config/i386/sco5gas.h: Move ...
2023 * config/usegas.h: ... here.
2024 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2026 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2028 * c-typeck.c (struct constructor_stack): Add range_stack member.
2029 (really_start_incremental_init): Clear it.
2030 (push_init_level): Save constructor_range_stack and clear it if
2031 pushing explicit braces.
2032 (pop_init_level): abort if constructor_range_stack is non-zero at
2033 explicit closing brace. Restore saved constructor_range_stack if
2036 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2038 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2039 into register was forced into memory.
2041 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2043 * Makefile.in: Remove uses of + before $(MAKE).
2045 2001-01-26 Richard Henderson <rth@redhat.com>
2047 * stmt.c (cost_table): Remove.
2048 (COST_TABLE, cost_table_initialized): New.
2049 (estimate_case_costs): Use the later instead of the former.
2050 (balance_case_nodes): Likewise.
2052 2001-01-26 Richard Henderson <rth@redhat.com>
2054 * alias.c (objects_must_conflict_p): Read-only slots may not
2055 conflict despite having the same type.
2057 2001-01-27 Michael Hayes <mhayes@redhat.com>
2059 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2061 (check_ext_dependant_givs): Initialise u_start_val and
2063 (load_mems): Make last_max_reg unsigned.
2064 (try_swap_copy_prop): Use INSN_P and initialise set.
2066 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2068 * README.AVR : Removed.
2070 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2072 * pa-64.h (text_section): Remove declaration.
2074 * pa.md (return_internal): Remove mode on PIC register use.
2076 2001-01-25 lars brinkhoff <lars@nocrew.org>
2078 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2079 ASM_CLOSE_PAREN): fix typos.
2081 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2083 * acconfig.h: Define `const' to the empty string if neither
2084 __STDC__ nor __cplusplus is defined.
2085 * config.in: Regenerated.
2087 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2089 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2090 * collect2.c (main): Delete importf. Add ".obj" file extension.
2091 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2092 (aix_std_libs): Add additional AIX libraries to skip.
2093 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2094 * config/rs6000/aix51.h: New file.
2096 2001-01-25 Michael Hayes <mhayes@redhat.com>
2098 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2099 (loop_insn_emit_before): No longer static.
2100 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2101 (loop_givs_rescan, load_mems): Likewise.
2102 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2103 (maybe_eliminate_biv_1):
2104 (move_movables): Replace emit_call_insn_before with
2105 loop_call_insn_hoist.
2106 * loop.h (loop_insn_emit_before): Add.
2107 * unroll.c (copy_loop_body): Replace emit_insn_before with
2108 loop_insn_emit_before.
2110 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2112 * diagnostic.c (fatal): Request preprocessed source.
2114 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2116 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2117 olddecl has argument types and newdecl has none, use the argument
2120 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2122 * dwarf2out.c (prefix_of): New function. Determine longest common
2123 prefix of the two arguments. The units are whole path components.
2124 (output_file_names): When adding a new directory find the one entry
2125 with the longest common prefix already in the list. Artificially
2126 generate entry if there is none for this prefix.
2127 Fix test to check whether the zeroth directory entry is used.
2129 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2131 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2132 Changed all callers. Take it into account when deciding if a
2133 previously loaded value matches.
2135 2001-01-24 Richard Henderson <rth@redhat.com>
2137 * reload.c (find_reloads_subreg_address): Fail the substitution
2138 if the resulting address is insufficiently aligned.
2140 2001-01-24 DJ Delorie <dj@redhat.com>
2142 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2143 check the original operand's mode also.
2144 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2146 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2148 * c-parse.in (cast_expr): Move compound literals from here ...
2149 (primary): ... to here. Use standard terminology "compound
2150 literal" instead of "constructor expression".
2152 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2154 * gcc.1, cpp.1: Regenerate.
2156 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2158 * calls.c (emit_library_call_value_1): Memory slot for
2159 pass-by-reference argument should have the mode of the argument,
2160 not of the pointer to it.
2162 2001-01-24 Tom Tromey <tromey@redhat.com>
2164 * gcc.texi (G++ and GCC): Mention gcj manual.
2165 (Standards): Link to section of manual mentioning gcj/Java
2168 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2170 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2171 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2172 * tradcpp.c (main): Add -imacros or -include'd dependencies
2174 * cpp.texi (-M, -MM): Document -M -include behaviour.
2176 2001-01-24 Roger Collins <roger@ProProject.com>
2178 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2180 2001-01-24 Will Cohen <wcohen@redhat.com>
2182 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2183 whether registers are 32 bits or 64 bits in size.
2185 2001-01-24 Ben Elliston <bje@redhat.com>
2187 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2189 2001-01-24 Richard Henderson <rth@redhat.com>
2191 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2192 (builtin_longjmp): Use it instead of emit_indirect_jump.
2194 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2196 * bb-reorder.c (make_reorder_chain_1): Handle case where
2197 jump edge goes to the same block as the fallthru edge.
2199 2001-01-23 Jim Wilson <wilson@redhat.com>
2201 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2202 * frame.h (__ia64_personality_v1): Add prototype.
2203 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2204 prototype form. Add void * cast to first argument to personality
2206 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2207 (asctoe113): Likewise.
2208 * config/ia64/frame-ia64.c: Include eh-common.h.
2209 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2211 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2213 (itanium_split_issue): Add prototype.
2214 (gen_nop_type): Ifdef out.
2215 (find_best_packet): Initialize best_packet.
2216 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2218 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2219 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2220 (flushrs): Add explicit stop bit at end.
2221 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2224 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2226 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2228 * libgcc2.c (__terminate_func): Make variable static.
2229 (__terminate_set_func): New function to set __terminate_func.
2230 * libgcc2.h (__terminate_func_ptr): New typedef.
2231 (__terminate_set_func): New function.
2233 2001-01-23 Richard Henderson <rth@redhat.com>
2235 * flow.c (init_propagate_block_info): Don't consider unchanging
2236 memories for dead frame store elimination.
2238 2001-01-23 Richard Henderson <rth@redhat.com>
2240 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2241 * defaults.h: ... here.
2243 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2245 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2247 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2249 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2251 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2253 * rs6000.h (rs6000_return_addr): Move prototype from here...
2254 * rs6000-protos.h (rs6000_return_addr): ...to here.
2255 (rs6000_init_expanders): Delete prototype.
2257 2001-01-23 Nick Clifton <nickc@redhat.com>
2259 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2260 (Spec Files): Document %B and %j and %. and %v3 and %M and
2261 %{S*&T} spec switches.
2263 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2265 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2267 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2268 Neil Booth <neil@daikokuya.demon.co.uk>
2270 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2271 Have -Werror make pedantic warnings errors, like the
2274 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2276 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2278 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2280 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2281 * integrate.c (expand_inline_function): Initialize them.
2282 (subst_constants): If changing COMPARE so that both its arguments
2283 will be VOIDmode and the comparison mode will be lost, note
2284 compare_mode. Use the recorded compare_mode to optimize
2287 2001-01-23 Jason Merrill <jason@redhat.com>
2289 * dwarf2out.c (new_die): Use xcalloc.
2290 (output_die): Abort rather than emit a local reference to offset 0.
2292 2001-01-17 Andrew Haley <aph@redhat.com>
2294 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2295 of a saved register; return NULL instead.
2296 (copy_reg): Take a pointer to a source register rather than a
2298 (next_stack_level): Remember the address in the stack frame of all
2300 Use the saved register pointer array as the source of the CFA.
2301 (throw_helper): Rewrite. Unwind once rather than twice and keep
2302 track of saved registers as we go.
2304 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2306 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2307 * c4x.c (c4x_legitimize_reload_address): Remove.
2308 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2309 reload address for ldp(k) insn.
2311 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2313 * pa.md (return_internal): Add a USE of the PIC register to ensure
2314 it is restored after each call.
2315 (return expander): Corresponding changes.
2317 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2319 * rs6000.h (INIT_EXPANDERS): Delete.
2320 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2321 * rs6000.c (rs6000_override_options): Call *_machine_status from
2323 (rs6000_init_expanders): ...instead of here. Delete.
2324 (rs6000_mark_machine_status): New function.
2325 (rs6000_init_machine_status): Use xcalloc.
2326 (rs6000_return_addr): Generate RTX for the return address.
2327 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2328 (rs6000_stack_info): Use it.
2330 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2332 * gthr-win32.h: Include errno.h to get a declaration for
2333 EINVAL and _mingw.h if the target is mingw32.
2335 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2337 * cpp.texi: Correct typos.
2339 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2341 * explow.c (probe_stack_range): Ensure value passed to
2342 stack_check_libfunc is ptr_mode, not Pmode.
2344 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2346 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2347 case, don't use operand_subword to calculate a SUBREG that is
2350 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2352 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2354 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2355 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2356 valid. If not replace it by equivalent insns.
2358 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2360 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2361 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2362 (c4x_U_constraint, symbolic_address_operand): Likewise.
2363 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2365 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2366 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2367 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2368 anulling slot because of silicon bug.
2369 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2371 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2373 * cppexp.c (parse_charconst): Change `mask' type to agree
2376 2001-01-21 Richard Henderson <rth@redhat.com>
2378 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2379 pic_label_name in a linkonce section.
2381 2001-01-17 Philipp Thomas <pthomas@suse.de>
2383 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2385 * configure: Regenerate.
2387 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2389 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2390 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2392 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2394 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2395 If REVERSE nonzero then condition code in X must be reversed.
2396 (encode_section_info): Optimise if/else.
2397 (avr_function_value): Fix formatting.
2399 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2400 (difficult_branch): Likewise.
2401 (rvbranch): Likewise.
2402 (difficult_rvbranch): Likewise.
2404 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2406 * config/avr/libgcc.S: Fix comment.
2408 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2410 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2412 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2414 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2416 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2418 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2419 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2420 * configure, config.in: Regenerate.
2421 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2422 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2423 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2424 (doprint.o): New rule.
2426 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2428 * c-typeck.c (digest_init): Handle boolean types as scalars.
2430 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2432 * stmt.c (expand_return): Don't return anything if size is zero.
2433 Delete redundant assignment to BYTES.
2434 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2436 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2438 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2439 the same as the default library function names.
2440 * config/avr/avr.md: Document special characters after '%'.
2441 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2442 knowing which of the call-used registers are really clobbered.
2443 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2444 New. Both quotient and remainder from one libgcc.S call.
2445 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2446 clobber as few registers as possible.
2447 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2449 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2451 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2452 context of the top of the stack.
2454 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2456 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2457 (fixup_var_refs_insns): ...here.
2459 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2461 * function.c (fixup_var_refs_insns): Break up into
2462 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2463 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2464 [loop over hash table entries].
2465 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2466 fixup_var_refs_insns_with_hash, to match above changes.
2468 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2470 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2471 (libgcc.a): Likewise.
2472 (stmp-multilib): Likewise.
2473 (STAGE2_FLAGS_TO_PASS): Likewise.
2475 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2477 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2478 temporary if no_new_pseudos.
2480 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2482 * cppinternals.texi: Update.
2484 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2486 * arm.c (arm_init_builtins): Re-enable builtins.
2488 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2490 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2491 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2492 element to be null, and always expect an EXPR_LIST.
2493 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2494 * sched-deps.c (sched_analyze_1): Likewise.
2495 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2497 * regclass.c (max_set_parallel): New variable.
2498 (reg_scan): Take it into account in computation of max_parallel.
2499 (reg_scan_mark_refs, case SET): Compute it.
2501 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2503 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2504 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2506 2001-01-19 Jason Merrill <jason@redhat.com>
2508 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2509 for the abstract instance of an inline function.
2511 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2512 J"orn Rennecke <amylaar@redhat.com>
2514 * reload1.c (move2add_note_store): Treat all registers directly or
2515 indirectly derived from a base register as members of the same set
2517 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2518 of base register into account.
2520 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2522 * alias.c (find_base_value): Recognize TRUNCATE.
2523 (record_set): In PLUS case, invalidate if other summand is also a
2526 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2528 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2529 entry to be EXPR_LIST.
2530 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2531 be an EXPR_LIST (but not null, which other code doesn't allow).
2532 (note_stores): Properly handle PARALLEL in SET.
2533 Recursively call for top-level PARALLEL.
2534 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2535 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2537 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2539 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2541 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2542 not pfile->skipping (== 0).
2544 2001-01-17 Nick Clifton <nickc@redhat.com>
2546 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2549 2001-01-17 Jim Wilson <wilson@redhat.com>
2551 * invoke.texi (IA-64 options): Improve.
2553 2001-01-17 Tom Tromey <tromey@redhat.com>
2555 * invoke.texi (Optimize Options): Use `{}' to around @samp
2558 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2560 * invoke.texi (-fno-guess-branch-probability): New option.
2562 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2564 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2565 case of making new double-word constant.
2566 Revert last change: instead just test i3_subst_into_i2.
2568 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2570 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2571 Use q constraints instead of r.
2573 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2575 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2576 (machine_function): Define.
2577 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2578 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2579 pa_free_machine_status): New functions.
2580 (override_options): Set {init,mark,free}_machine_status to above.
2581 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2582 PIC_OFFSET_TABLE_REGNUM_SAVED.
2583 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2584 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2585 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2586 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2587 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2589 2001-01-15 DJ Delorie <dj@redhat.com>
2591 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2595 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2597 * flow.c (propagate_on_insn): Make trying to delete a prologue
2598 or epilogue insn an ICE, not a warning. Allow doing this if
2599 the current function returns with stack pointer depressed.
2601 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2602 I3 having more than one SET.
2604 2001-01-16 Jim Wilson <wilson@redhat.com>
2606 * invoke.texi: Document IA-64 options.
2608 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2609 (fixup_errata): Delete TARGET_A_STEP use.
2610 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2611 (TARGET_SWITCHES): Delete -ma-step option.
2612 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2613 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2614 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2615 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2616 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2617 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2619 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2620 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2621 cmovsi_internal): Delete ! TARGET_A_STEP check.
2623 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2625 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2626 possibility to report bugs via postal mail. Change a URL and
2627 merge in a nearly duplicate statement...
2628 (Bug Reporting): ...from here.
2629 (Service): Refer to the Bug Reporting section instead of
2631 (Contributing): Remove trivial explanations concerning snapshots.
2633 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2635 * cppmain.c (general_init): Don't use ANSI prototype.
2637 2001-01-16 Tom Tromey <tromey@redhat.com>
2639 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2641 2001-01-16 Richard Henderson <rth@redhat.com>
2643 * config/i386/i386.h: Fix comment typo.
2644 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2645 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2647 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2649 * gcc.c: Revert previous -fsyntax-only-related change; move
2652 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2654 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2655 inmode after checking GET_CODE (op).
2657 2001-01-16 Richard Henderson <rth@redhat.com>
2659 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2660 (MAX_MEM_SET_LIST_LEN): New.
2661 (propagate_one_insn): Update mem_set_list_len.
2662 (invalidate_mems_from_autoinc): Likewise.
2663 (invalidate_mems_from_set): Likewise.
2664 (mark_used_regs): Likewise.
2665 (init_propagate_block_info): Likewise. Stop collecting memories
2666 when we reach MAX_MEM_SET_LIST_LEN.
2667 (mark_set_1): Likewise.
2669 2001-01-16 Richard Henderson <rth@redhat.com>
2671 * unroll.c (precondition_loop_p): Fail if no iteration
2674 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2676 * gcc.c: When -fsyntax-only is given, do not complain about
2679 2001-01-15 Richard Henderson <rth@redhat.com>
2681 * config/i386/i386.c (asm_output_function_prefix): Remove.
2682 (ix86_asm_file_end): New.
2683 (load_pic_register): Generate pic_label_name into a
2684 staticly allocated buffer.
2685 * config/i386/i386-protos.h: Update.
2686 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2687 (ASM_FILE_END): New.
2688 * config/i386/i386afe.h: New file.
2689 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2690 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2691 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2692 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2693 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2694 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2695 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2697 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2699 * Makefile.in (install-man): Remove explicit dependency on
2702 * configure.in, configure: Revert previous patch requiring perl
2705 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2707 * toplev.c (flag_guess_branch_prob): New.
2708 (f_options): Add guess-branch-probability option.
2709 (rest_of_decl_compilation): Only estimate branch probability if
2711 (main): set flag_guess_branch_prob.
2713 * flags.h (flag_guess_branch_prob): New.
2715 2001-01-15 DJ Delorie <dj@redhat.com>
2717 * gcc.texi (Makefile): Add documentation for Makefile targets.
2719 2001-01-15 Philip Blundell <philb@gnu.org>
2721 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2723 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2724 (is_pic): Delete declaration.
2725 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2726 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2727 * config/arm/arm.md (builtin_setjmp_receiver): New.
2729 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2731 * arm.c (use_return_insn): Don't try to determine the function type
2732 until after reload has completed.
2733 (arm_output_epilogue): Don't adjust the sp value recovered from the
2735 (emit_multi_reg_push): Don't record dwarf information for the pc.
2736 * arm.md (eh_epilogue): The function type may have changed, so it
2737 needs to be recalculated.
2738 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2739 unwind tables on arm/netbsd.
2741 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2743 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2744 (negated_cbranchsi4): Likewise.
2746 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2748 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2749 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2750 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2751 pass -mapcs-* options to assembler.
2752 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2753 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2754 (ASM_SPEC): Call subtarget_extra_asm_spec.
2756 2001-01-15 Andreas Jaeger <aj@suse.de>
2758 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2760 (ix86_expand_builtin): Likewise.
2762 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2763 warning about comparison between signed and unsigned.
2765 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2767 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2769 2001-01-14 Ralf Baechle <ralf@gnu.org>
2771 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2772 SUBTARGET_CPP_SPEC apropriatly.
2774 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2776 * varasm.c (make_decl_rtl): Fix typo in last change.
2778 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2780 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2781 linker supports the init_priority C++ attribute.
2782 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2783 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2784 linker does not support init_priority C++ attribute.
2786 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2788 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2790 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2792 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2793 * cp/lex.c (finish_parse): Similarly.
2794 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2795 Return the number of errors encountered.
2796 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2797 * cppmain.c (main): Don't call cpp_destroy.
2799 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2801 * configure.in: Require at least perl 5.6.0 to regenerate
2803 * configure: Regenerate.
2805 2001-01-14 Richard Henderson <rth@redhat.com>
2807 * genrecog.c (DT_veclen_ge): New.
2808 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2809 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2810 (nodes_identical_1): Handle DT_veclen_ge.
2811 (write_cond, debug_decision_2): Likewise.
2813 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2815 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2817 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2819 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2821 * cppmain.c (do_preprocessing): New function; most of the old
2823 (main): Call it to do most of the work.
2824 (cb): Move from global scope to set_callbacks ().
2825 (setup_callbacks): Get the callback pointer.
2826 (general_init, printer_init): Clean up code and comments.
2828 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2830 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2833 2001-01-14 Kazu Hirata <kazu@hxi.com>
2835 * config/h8300/h8300.c (get_shift_alg): Update comments.
2837 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2839 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2840 (alloc_page, ggc_alloc): Add casts to remove warnings.
2842 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2844 * combine.c (simplify_comparison): Don't change `code' when
2845 can't reverse comparison.
2847 2001-01-14 Richard Henderson <rth@redhat.com>
2849 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2850 update all call sites. Return true for all non-label constants.
2852 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2854 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2856 (ix86_expand_branch): Update.
2857 (ix86_expand_setcc): Update to handle multiple test conditions.
2858 (expand_int_movcc): Likewise.
2859 (expand_fp_movcc): Likewise.
2860 * i386-protos.h (ix86_expand_compare): New.
2861 * i386.md (andqi_?_slp, orqi_?_slp): New.
2862 (conditional trap expander): Update call to ix86_expand_compare.
2864 2001-01-14 Richard Henderson <rth@redhat.com>
2866 * config/vax/vax.md: Use nonimmediate_operand instead of
2867 general_operand in destinations.
2869 * config/vax/vax.md (indirect_jump): Use register_operand.
2871 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2872 * config/vax/vax.md (call_pop): Turn into an expander.
2873 (call_value_pop): Likewise.
2874 (call, call_value): New.
2876 2001-01-14 Andreas Jaeger <aj@suse.de>
2878 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2880 (ix86_fp_compare_mode): Add unused attribute.
2881 (ix86_expand_fp_movcc): Remove unused variable.
2882 (ix86_expand_builtin): Make fcode unsigned.
2884 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2885 (expand_expr): Add cast to avoid signed warning.
2886 (store_field): Likewise.
2887 (store_constructor_field): Likewise.
2888 (store_constructor): Likewise.
2889 (store_expr): Likewise.
2890 (clear_storage): Likewise.
2891 (emit_group_store): Likewise.
2892 (emit_group_load): Likewise.
2894 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2896 * c-common.c: Move format checking code to ...
2897 * c-format.c: ... here. New file. Reorder some functions and
2899 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2901 * c-common.h (decl_handle_format_attribute,
2902 decl_handle_format_arg_attribute): Declare.
2903 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2904 (c-common.o): Adjust dependencies.
2905 (c-format.o): New list of dependencies.
2907 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2909 * unroll.c (loop_iterations): If we cannot prove iteration variable
2910 is set once in each iteration, punt.
2912 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2914 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2915 (*strlenhi): Remove clobber (which was buggy) of output address.
2917 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2919 * Makefile.in (generated-manpages): Add gcc.1
2920 ($(srcdir)/gcc.1): New target.
2921 (maintainer-clean): Delete $(srcdir)/gcc.1.
2922 * gcc.texi: Add macros @gccoptlist and @gol.
2923 * invoke.texi: Include option summary in manpage. Mark up option
2924 summary with @gccoptlist and @gol. Use @r in one place where
2926 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2927 * gcc.1: Generate from invoke.texi.
2929 2001-01-13 Richard Henderson <rth@redhat.com>
2931 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2932 (struct page_entry): Add group member.
2933 (struct page_group): New.
2934 (struct globals): Add page_groups member.
2935 (alloc_anon): Only define for using mmap; remove valloc call.
2936 (page_group_index): New.
2937 (set_page_group_in_use): New.
2938 (clear_page_group_in_use): New.
2939 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2940 (free_page, release_pages): Likewise.
2941 * configure.in (with-gc): Default to ggc-page always.
2943 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2945 * reload1.c (replace_pseudos_in_call_usage): Use
2946 reg_equiv_constant and reg_equiv_address, and don't try
2947 regno_reg_rtx first.
2949 2001-01-13 Richard Henderson <rth@redhat.com>
2951 * ggc-page.c (alloc_page): Round up allocation size to one page.
2952 Set e->order on extra pages.
2954 2001-01-13 Richard Henderson <rth@redhat.com>
2956 * genrecog.c (nodes_identical): Expand commentary.
2957 (write_switch): Watch out for identical nodes.
2959 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2961 * cppfiles.c (_cpp_fake_include): New function.
2962 * cpphash.h (_cpp_fake_include): New.
2963 * cpplib.c (do_line): Call _cpp_fake_include when entering
2964 header files in preprocessed input.
2965 * cppmain.c (cb_pragma_implementation): Remove handling.
2966 (setup_callbacks): Don't register pragmas.
2968 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2970 * extend.texi: Udate for CPP.
2972 2001-01-13 Andreas Jaeger <aj@suse.de>
2974 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2976 * regmove.c: Add prototype for replace_in_call_usage.
2978 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2980 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2981 struct cpp_chunk, struct htab, struct toklist,
2982 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2983 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2984 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2985 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2986 (struct macro_args): Delete.
2987 * cpphash.h: See above.
2989 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2991 * cppmain.c (struct printer): Remove no_line_dirs.
2993 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2994 : Use options rather than CPP_OPTION.
2995 (setup_callbacks): Use cb rather than pfile->cb.
2996 (main): No need to check for a buffer. Use cpp_errors.
2997 (printer_init): Don't set no_line_dirs.
2998 (maybe_print_line): Use options not no_line_dirs.
2999 (cb_file_change): Don't call print_line if -P.
3001 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3003 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3005 * c-parse.in (finish_parse): Use cpp_errors.
3006 (__yylex): Use return value of cpp_pop_buffer.
3007 * cp/lex.c (finish_parse): Use cpp_errors.
3008 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3010 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3012 * README.AVR: URLs corrected.
3014 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3016 * c-decl.c (start_function): Don't warn if old prototype is builtin
3017 that's not in C's namespace.
3018 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3019 (_bb): Add prototype for ctime.
3020 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3022 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3024 * i386.c (ix86_fp_comparison_arithmetics_cost,
3025 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3026 ix86_fp_comparison_cost): New functions.
3027 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3028 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3029 two-branch sequences; make static.
3030 (ix86_use_fcomi_compare): Do decision according to the costs.
3031 (split_fp_branch): New.
3032 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3033 * i386-protos.h (ix86_expand_fp_compare): Remove
3034 (ix86_split_fp_branch): Declare.
3036 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3037 and ix86_comparison_operator.
3039 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3042 * i386.c (put_condition_code): Output properly the unordered/ordered
3043 compares in fp case.
3044 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3046 * tm.texi (REVERSE_CONDITION): Document.
3047 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3048 in -ffast-math mode.
3049 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3051 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3053 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3055 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3058 * config/sh/sh.c (mova_p): Fix test for mova_const.
3060 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3062 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3063 cpp_get_options rather than dereferencing pfile and using
3065 * scan-decls.c (scan_decls): Use return value of
3066 cpp_pop_buffer rather than CPP_BUFFER.
3068 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3070 * cppinit.c (cpp_handle_option): help_only is now part of the
3071 cpp_options structure.
3072 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3073 cpp_set_callbacks): New functions.
3074 * cpplib.h (cpp_callbacks): Break out as a named structure.
3075 (cpp_options): Move help_only here from cpp_reader.
3076 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3077 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3078 cpp_set_callbacks): New prototypes.
3079 * cppmain.c (main): Update for help_only.
3081 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3083 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3084 Also build and remove and install and uninstall c-tree.info and
3086 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3087 ($(srcdir)/cppinternals.info): New target.
3088 * c-tree.texi: Change file name used when makeinfo used without -o
3089 from ir.info to c-tree.info. Add info directory entry.
3090 * cppinternals.texi: Add info directory entry.
3091 * .cvsignore: Update.
3093 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3095 * c-typeck.c (store_init_value): Don't require constant initializer
3096 elements with -pedantic -std=c99.
3097 (digest_init): Change error about non-constant initializer elements
3099 (constructor_range_end): Remove.
3100 (constructor_incremental, designator_depth,
3101 designator_errorneous): New variables.
3102 (struct constructor_stack): Remove range_end, add incremental.
3103 (struct constructor_range_stack, constructor_range_stack): New.
3104 (struct initializer_stack): Add constructor_range_stack.
3105 (finish_init): Set it.
3106 (start_init): Likewise. require_constant_elements for non-static
3107 trees only if not flag_isoc99.
3108 (really_start_incremental_init): Remove constructor_range_end, add
3109 constructor_incremental.
3110 (pop_init_level): Likewise.
3111 (push_init_level): Likewise. If implicit and the subobject had some
3112 value set already, preinitialize the level with it.
3113 Warn about missing braces only if not pushing due to designators.
3114 (set_designator, push_range_stack): New functions.
3115 (set_init_label): Use them.
3116 (set_init_index): Likewise. Remove constructor_range_end.
3117 Error if designator index is outside of array bounds.
3118 (add_pending_init): Compare values of purpose index trees, not the
3119 trees themselves. Allow overwriting of already initialized element.
3120 Issue a warning if it had side-effects.
3121 (set_nonincremental_init, set_nonincremental_init_from_string): New
3123 (pending_init_member): Rename to...
3124 (find_init_member): ...this function. Call set_nonincremental_init
3125 if necessary. Compare values of purpose index trees, not the trees
3126 themselves. Return the actual value, not just non-zero if something
3128 (output_init_element): Remove checks for duplicates.
3129 If field has zero size, only check the initializer for correctness.
3130 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3131 if constructor_incremental is zero. Change error about initializers
3132 not computable at load time into pedwarn.
3133 (output_pending_init_elements): Compare bit positions, not
3134 FIELD_DECLs to take into account zero-sized fields.
3135 (process_init_element): Use constructor_range_stack to fill all
3136 ranges in the designator lists from current level up.
3137 * extend.texi: Update documentation for labeled elements.
3139 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3141 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3142 to function usage for arguments passed by reference. Optimize
3143 callee-copied arguments.
3144 * regmove.c (replace_in_call_usage): New function.
3145 (fixup_match_1): Call it.
3146 * cse.c (cse_insn): Canonicalize registers in function usage.
3147 * reload1.c (replace_pseudos_in_call_usage): New function.
3150 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3153 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3155 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3158 2001-01-12 DJ Delorie <dj@redhat.com>
3160 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3161 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3164 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3166 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3167 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3168 -std options alongside references to -ansi. Update some
3169 documentation for C99.
3170 * cpp.1: Regenerate.
3172 2001-01-12 Andreas Jaeger <aj@suse.de>
3174 * haifa-sched.c (restore_line_notes): Remove argument block B
3176 * sched-ebb.c (schedule_ebb): Change caller.
3177 * sched-rgn.c (schedule_region): Likewise.
3178 * sched-int.h (restore_line_notes): Adjust prototype.
3180 * loop.h: Remove wrong declaration of doloop_condition_get.
3182 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3184 * extend.texi: Move C++-extension-related node from the C section
3185 into the C++ section.
3187 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3189 * extend.texi: Refer to an array of pointers to functions instead
3190 of one of functions.
3192 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3193 Jan Hubicka <jh@suse.cz>
3195 * combine.c (reversed_comparison): Fix typo in last patch.
3197 (combine_reversed_comparison_code): Make static to follow
3198 prototype declaration.
3200 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3202 * install.texi: Remove misplaced duplicate entry.
3204 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3206 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3208 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3210 * final.c: (leaf_function_p): Fix typo.
3212 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3214 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3215 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3217 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3218 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3219 mmap_anon, and valloc is available.
3220 * ggc-page.c: Restructure ifdef logic to match new autoconf
3221 spec. Don't throw away the test page in init_ggc.
3223 * configure, config.in: Regenerate.
3225 2001-01-12 Michael Hayes <mhayes@redhat.com>
3227 * loop.h (total_biv_increment): Constify iv_class pointer.
3228 (struct induction): Replace `mem_mode' with `mem' rtx.
3229 * unroll.c (total_biv_increment): Constify iv_class pointer.
3230 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3231 (find_mem_givs, combine_givs_p): Likewise.
3232 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3234 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3236 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3238 (__gthread_getspecific): Ditto.
3240 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3242 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3243 put_condition_code): Convert fp comparison codes to integer
3245 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3248 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3249 * i386-protos.h (no_comparison_operator): Kill.
3251 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3253 * combine.c (REVERSIBLE_CC_MODE): Remove.
3254 (reversible_comparison_p): Remove.
3255 (combine_reversed_comparison_code): New.
3256 (reversed_comparison): New.
3257 (combine_simplify_rtx): Use
3258 combine_reversed_comparison_code/reversed_comparison instead
3259 of reversible_comparison_p.
3260 (simplify_if_then_else): Likewise.
3261 (simplify_set): Likewise.
3262 (simplify_logical): Likewise.
3263 (if_then_else_cond): Likewise.
3264 (known_cond): Likewise.
3265 (simplify_comparison): Likewise.
3267 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3269 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3270 sizeof (int) is larger than sizeof(__word__).
3272 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3274 * cppinit.c (do_includes): Fix typo.
3276 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3278 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3279 in S_REGS does not occur because not all sources are possible
3280 when a S_REGS is a destination (sometimes needs a clobber).
3281 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3282 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3283 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3284 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3285 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3286 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3287 (lshrdi_const1, lshrsi3_const16): Likewise.
3288 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3289 (*movhi_68hc12, *movqi_68hc12): Likewise.
3290 (movstrictqi): Make sure reloading in D_REGS as a destination
3293 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3295 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3297 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3299 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3300 -D, -U and -A, and don't initialize the builtins.
3301 (do_includes): Error if -include or -imacros with -fpreprocessed.
3302 * cppmain.c (cb_define, cb_undef): Unconditionally process
3304 * tradcpp.c (main): Fix typo.
3306 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3308 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3309 (read_name_map): Use IS_ABSOLUTE_PATH.
3310 * tradcpp.c (get_filename): Likewise.
3312 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3314 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3315 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3316 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3317 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3318 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3319 (cmphi_z_used): Don't use '@' for the output.
3320 (tstqi_z_used): Likewise.
3321 (cmpqi_z_used): Likewise.
3322 (one_cmplsi2): Likewise.
3324 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3326 * config/sh/sh.c (barrier_align): Recognize branch around far
3327 branch and redundant insn.
3329 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3331 * invoke.texi: Restore documentation of the drivers' switches -MD
3334 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3336 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3338 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3339 check-objc//%): Support parallel testing of multilibs.
3340 (TESTSUITEDIR): Set to testsuite by default, but override for
3342 (check-gcc, check-g++, check-g77, check-objc): Enter
3345 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3347 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3348 * sched-deps.c (deps_may_trap_p): Likewise.
3349 * basic-block.h: Remove a comment.
3350 * flow.c (PROP_POSTRELOAD): Remove.
3351 (update_life_info): Don't add it to prop_flags.
3352 (mark_set_1): Lose the code that was enabled by it.
3354 2001-01-11 Michael Hayes <mhayes@redhat.com>
3356 * flow.c (flow_call_edges_add): New.
3357 * basic_block.h (flow_call_edges_add): New.
3359 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3361 * reload1.c (move2add_note_store): Update reg_set_luid even if
3362 base reg remains the same.
3364 2001-01-10 Nick Clifton <nickc@redhat.com>
3366 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3367 machine_function structure to zero.
3368 Add prototypes for machine_status functions.
3370 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3372 * c-common.h (CTI_VOID_LIST): Remove.
3373 (void_list_node): Likewise.
3374 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3375 (void_list_node): New macro.
3376 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3377 * config/i386/i386.c (ix86_init_builtins): Likewise.
3378 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3380 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3382 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3383 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3385 * tradcpp.c: Include mkdeps.h.
3386 (deps, print_deps_phony_targets, deps_append, output_deps,
3387 init_dependency_output, output_deps): New.
3388 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3389 deps_output): Delete.
3390 (print_deps_missing_files): Rename deps_missing_files.
3391 (inhibit_output): Make global.
3392 (main): Delete inhibit_output, deps_stream, deps_target.
3393 Use mkdeps functionality in the same way as cpplib. Remove
3394 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3395 -M and -MM. Remove old handling of deps via deps_out, and
3396 old reading of environment variables.
3397 (get_filename): Update to use deps_add_dep.
3399 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3401 * output.h (make_function_rtl): Remove prototype.
3402 (make_decl_rtl): Likewise.
3403 * varasm.c (make_function_rtl): Remove.
3404 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3405 than from a third parameter.
3406 * tree.h (make_decl_rtl): Remove last parameter.
3407 * c-decl.c (builtin_function): Remove last argument in call to
3408 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3409 (start_function): Likewise.
3410 * except.c (call_get_eh_context): Likewise.
3411 * expr.c (emit_block_move): Likewise.
3412 (clear_storage): Likewise.
3413 * profile.c (output_func_start_profiler): Likewise.
3414 * toplev.c (rest_of_decl_compilation): Likewise.
3415 * objc/objc-act.c (create_builtin_decl): Likewise.
3416 (synth_module_prologue): Likewise.
3417 (generate_static_reference): Likewise.
3418 (build_selector_reference_decl): Likewise.
3419 (build_class_reference_decl): Likewise.
3420 (build_objc_string_decl): Likewise.
3421 (build_protocol_reference): Likewise.
3423 2001-01-10 Richard Henderson <rth@redhat.com>
3425 * hwint.h: Revert yesterday's change.
3427 2001-01-10 Nick Clifton <nickc@redhat.com>
3429 * function.h (save_machine_status): Delete.
3430 (restore_machine_status): Delete.
3431 Amend comment describing {init|mark|free}_machine_status.
3433 * function.c (save_machine_status): Delete.
3434 (restore_machine_status): Delete.
3435 Amend comment describing {init|mark|free}_machine_status.
3436 (push_function_context_to): Remove invocation of
3437 save_machine_status.
3438 (pop_function_context_from): Remove invocation of
3439 restore_machine_status.
3441 * emit-rtl.c (init_emit_once): Amend comment describing
3442 {init|mark|free}_machine_status.
3444 * tm.texi (Per-Function Data): New node. Describe the
3445 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3448 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3450 * cppinit.c (OPT_g): Remove.
3451 (cpp_handle_option): Update for removed -g3.
3452 (print_help): Update.
3453 * cpplib.h (struct cpp_options): Remove debug_output.
3454 * cppmain.c (setup_callbacks, cb_define): Update.
3455 * gcc.c (cpp_options): Translate -g3 to -dD.
3457 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3459 * config/i960/i960.md: Change modifier to + on the zero_extract
3460 pattern after the (rotate -2 reg) canonicalization pattern.
3462 2001-01-10 Richard Henderson <rth@redhat.com>
3464 * config/alpha/alpha.c (alpha_free_machine_status): New.
3465 (override_options): Install it.
3466 (alpha_mark_machine_status): Verify machine non-null.
3467 * config/i386/i386.c (ix86_free_machine_status): New.
3468 (override_options): Install it.
3469 (ix86_init_machine_status): Use xcalloc.
3470 (ix86_mark_machine_status): Verify machine non-null.
3471 * config/ia64/ia64.c (ia64_free_machine_status): New.
3472 (ia64_override_options): Install it.
3473 (ia64_mark_machine_status): Verify machine non-null.
3475 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3477 * function.c (instantiate_virtual_regs): Instantiate virtual
3478 registers found in CALL_INSN_FUNCTION_USAGE.
3480 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3482 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3483 equivalent to -ansi in disabling -Di386.
3485 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3487 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3489 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3491 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3493 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3495 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3497 * invoke.texi: Document that -fcond-mismatch isn't supported for
3500 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3502 * gcc.texi: Define macro gcctabopt.
3503 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3504 @command, @env and @option in some places where appropriate. Use
3505 @gcctabopt where appropriate. Put URLs and email addresses inside
3508 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3510 * gcc.c (cpp_options): Set MD file name from output
3511 filename, if specified.
3512 (suffix_subst): New static variable.
3513 (do_spec): Clear it.
3514 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3516 (give_switch): Handle suffix_subst.
3518 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3520 * invoke.texi: Fix another typo.
3522 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3524 * invoke.texi: Fix typo.
3526 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3528 * c-lang.c (lang_hooks): Update.
3529 (lang_decode_option): Remove.
3530 (lang_init_options): Rename c_init_options.
3531 * toplev.c (main): Use lang_hooks for lang_init_options
3532 and lang_decode_option.
3533 * toplev.h (lang_hooks): Add 2 new hooks.
3534 * tree.h: Remove lang_init_options and lang_decode_option.
3535 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3536 * cp/decl2.c: Similarly.
3537 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3538 (lang_hooks): Update.
3539 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3541 (lang_init_options): Rename ffe_init_options.
3542 (lang_hooks): Update.
3543 (lang_decode_option): Remove.
3544 * java/lang.c (lang_init_options): Rename java_init_options.
3545 (lang_decode_option): Rename java_decode_option.
3546 (lang_hooks): Update.
3547 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3548 (lang_decode_option): Rename objc_decode_option.
3549 (lang_hooks): Update.
3551 2001-01-09 Nick Clifton <nickc@redhat.com>
3553 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3554 (d30v_return_addr_rtx): Delete.
3555 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3556 cfun->machine structure.
3557 (struct machine_function): Move to d30v.h
3558 (d30v_save_machine_status): Delete.
3559 (d30v_restore_machine_status): Delete.
3560 (d30v_init_machine_status): New Function.
3561 (d30v_mark_machine_status): New Function.
3562 (d30v_free_machine_status): New Function.
3563 (d30v_init_expanders): Use new functions.
3564 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3565 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3566 d30v_return_addr_rtx.
3568 * config/d30v/d30v.h (struct_machine): Move here.
3569 Add eh_epilogue_sp_ofs field.
3571 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3572 field in cfun->machine structure.
3574 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3576 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3577 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3578 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3580 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3582 * objc/lang-options.h: Remove bogus reference to
3585 2001-01-09 Kazu Hirata <kazu@hxi.com>
3587 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3590 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3592 * reload.c (find_reloads_address): Check for eliminable registers
3593 when substituting a constant expression for a pseudo.
3595 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3597 * c-common.c (enum format_type): Add format_type_error.
3598 (decode_format_type): New function.
3599 (decl_attributes): Use it.
3600 (format_kind_info): Adjust comment.
3602 2001-01-09 David O'Brien <obrien@BSDi.com>
3604 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3605 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3607 * config/i386/gnu.h: Don't include required platform specific .h files,
3608 tm.h will do it instead.
3609 * config/i386/i386elf.h: Likewise.
3610 * config/i386/linux.h: Likewise.
3611 * config/i386/moss.h: Likewise.
3612 * config/mips/gnu.h: Likewise.
3614 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3616 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3617 (rs6000-ibm-aix3.[01]*): Likewise.
3618 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3619 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3620 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3621 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3622 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3623 (powerpc-*-eabiaix*): Likewise.
3624 (powerpc-*-eabisim*): Likewise.
3625 (powerpc-*-elf*): Likewise.
3626 (powerpc-*-eabi*): Likewise.
3627 (powerpc-*-rtems*): Likewise.
3628 (powerpc-*-linux*libc1): Likewise.
3629 (powerpc-*-linux*): Likewise.
3630 (powerpc-wrs-vxworks*): Likewise.
3631 (powerpcle-wrs-vxworks*): Likewise.
3632 (powerpcle-*-sysv*): Likewise.
3633 (powerpcle-*-elf*): Likewise.
3634 (powerpcle-*-eabisim*): Likewise.
3635 (powerpcle-*-eabi*): Likewise.
3636 (powerpcle-*-solaris2*): Likewise.
3637 * config/rs6000/aix31.h: Delete includes.
3638 * config/rs6000/aix3newas.h: Likewise.
3639 * config/rs6000/aix41.h: Likewise.
3640 * config/rs6000/aix43.h: Likewise.
3641 * config/rs6000/beos.h: Likewise.
3642 * config/rs6000/rtems.h: Likewise.
3643 * config/rs6000/sysv4.h: Likewise.
3645 2001-01-09 Kazu Hirata <kazu@hxi.com>
3647 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3648 Change an argument mode of machine_mode to shift_mode of
3649 shift_mode. Remove an extra error check.
3650 (emit_a_shift): Adopt to the new calling prototype of
3652 (function_prologue): Fix code for a monitor
3653 function. Support H8/S.
3654 (function_epilogue): Do not output pop for a monitor function.
3656 2001-01-09 Nick Clifton <nickc@redhat.com>
3658 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3659 (setup_incoming_varargs): Use sysv_varargs_p field of the
3660 cfun->machine structure.
3661 (struct machine_function): Move to rs6000.h
3662 (rs6000_save_machine_status): Delete.
3663 (rs6000_restore_machine_status): Delete.
3664 (rs6000_init_machine_status): New Function.
3665 (rs6000_free_machine_status): New Function.
3666 (rs6000_init_expanders): Use new functions.
3668 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3670 (struct machine_function): Move here.
3672 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3673 sysv_varargs_p field of the cfun->machine structure.
3675 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3677 (rs6000_restore_machine_status): Remove prototype.
3679 2001-01-09 Richard Henderson <rth@redhat.com>
3681 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3682 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3683 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3684 (sched_analyze_2, sched_analyze_insn): Likewise.
3685 (sched_analyze, init_deps): Likewise.
3686 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3687 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3688 (compute_block_backward_dependences): Update propagate_deps call.
3690 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3692 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3694 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3696 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3697 (cpp_handle_option): Handle them.
3698 (cpp_post_options): Ensure one of -M or -MM is specified with
3699 any other -M? option.
3700 (init_dependency_output): Suppress output with -MG.
3702 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3705 * invoke.texi: Update.
3707 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3709 * sh.md (reload_outsf): Generate recognizable patterns for
3712 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3714 * c-lang.c (lang_hooks): Update.
3715 (lang_init): Rename c_init.
3716 (lang_finish): Remove.
3717 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3719 * toplev.h (lang_hooks): Add init () and finish ().
3720 * tree.h (lang_init, lang_finish): Remove.
3721 * cp/tree.h (lang_init, lang_finish): Remove.
3722 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3723 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3725 (lang_init, lang_finish): Remove.
3726 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3727 (lang_hooks): Update.
3728 * java/lang.c (lang_init): Rename java_init.
3729 (lang_finish): Remove.
3730 (lang_hooks): Update.
3731 * objc/objc-act.c (lang_init): Rename objc_init.
3732 (lang_finish): Remove.
3733 (lang_hoooks): Update.
3735 20001-01-09 Graham Stott <grahams@redhat.com>
3737 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3738 after `ptr` is initialised.
3740 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3742 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3743 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3744 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3745 stack adjusts, instead of r3.
3747 2001-01-09 Michael Hayes <mhayes@redhat.com>
3749 * flow.c (flow_loop_scan): Break out of ...
3750 (flow_loops_find) ... here.
3751 * basic-block.h (flow_loop_scan): New.
3752 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3753 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3755 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3757 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3759 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3760 realloc()ing macro_buffer.
3762 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3763 if it's wider than long and the target's long is wider than the
3766 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3768 Remove support for using UWIN as a host machine.
3769 * configure.in: Issue an error message.
3770 * configure: Regenerated.
3771 * config.gcc: Remove xm_* UWIN configury.
3772 * config/i386/xm-uwin.h: Remove.
3774 2001-01-08 Nick Clifton <nickc@redhat.com>
3776 * config/v850/v850.c (ra_rtx): Delete.
3777 (v850_save_machine_status): Delete.
3778 (v850_restore_machine_status): Delete.
3779 (v850_init_machine_status): New function.
3780 (v850_mark_machine_status): New function.
3781 (v850_free_machine_status): New function.
3782 (v850_return_addr): Use ra_rtx field in machine structure.
3783 (v850_init_expanders): Use new functions.
3785 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3786 * config/v850/v850.c: Change arguments to v850_output+* functions
3787 to take a const char *, to avoid compile time warning.
3788 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3789 (USER_LABEL_PREFIX): Redefine.
3791 2000-01-08 Jim Wilson <wilson@redhat.com>
3793 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3794 1 to unsigned HOST_WIDE_INT before left shift.
3796 2001-01-08 Nick Clifton <nickc@redhat.com>
3798 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3799 the machine structure has been allocated.
3800 (arm_free_machine_status): New function: Free the machine
3801 specific function structure.
3803 2001-01-08 Richard Henderson <rth@redhat.com>
3805 * jump.c (simplejump_p): Revert last change.
3807 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3809 * cppinit.c (init): Rename init_library.
3810 (cpp_create_reader): Update.
3811 * gcc.c (cpp_options): If -o given, use it as the target of
3814 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3816 * arm.c (arm_arch5e): New variable.
3817 (all_cores): XScale is a 5TE device.
3818 (arm_override_options): Set arm_arch5e.
3819 (arm_init_builtins): __builtin_prefetch is in arch5e.
3820 * arm.h (arm_arch5e): Declare it.
3822 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3824 * arm.md (define_constants): Add defines for UNSPEC and
3825 UNSPEC_VOLATILE insns. Update all users.
3826 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3827 * arm.c (multi_register_push, note_invalid_constants)
3828 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3829 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3830 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3832 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3834 * jump.c (jump_optimize_1): Use reversed_comparison_code
3835 instead of can_reverse_comparison_p.
3836 (jump_back_p): Likewise.
3837 (invert_exp_1): Likewise.
3838 (thread_jumps): Likewise.
3839 * simplify-rtx.c (simplify_unary_operation): Likewise.
3840 (simplify_ternary_operation): Likewise.
3841 * cse.c (find_comparison_args): Convert to use
3842 can_reverse_comparison_p.
3843 (record_jump_equiv): Likewise.
3845 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3847 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3848 (EPILOGUE_USES): Define.
3849 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3850 automatically stack the LR if it isn't live.
3852 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3854 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3857 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3859 * ggc-page.c (max_alignment): New structure.
3860 (MAX_ALIGNMENT): New macro.
3861 (init_ggc): Use it to round up the sizes in the
3862 extra_order_size_table.
3864 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3866 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3869 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3871 * builtins.def (BUILT_IN_FPRINTF): New entry.
3873 * c-common.c (c_expand_builtin_fprintf): New function.
3874 (init_function_format_info): Handle __builtin_fprintf.
3875 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3876 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3878 * c-decl.c (duplicate_decls): Adjust comment.
3880 * extend.texi (fprintf): Document new builtin.
3882 2001-01-07 Richard Henderson <rth@redhat.com>
3884 * jump.c (simplejump_p): Recognize any single_set jump
3887 2001-01-07 Richard Henderson <rth@redhat.com>
3889 * configure.in (slibdir): Accept an --with-slibdir option.
3890 Use "test" not "[" in configure. Default to $(libdir).
3892 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3894 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3895 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3896 (SHLIB_LINK): Create links for the soname.
3897 * config/mips/t-iris6: Likewise.
3898 * config/sparc/t-slibgcc: Likewise.
3899 * config/sparc/t-slibgcc-sld: Likewise.
3901 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3903 * config/i386/i386.c (constant_call_address_operand): Accept
3904 (const (plus (symbol_ref) (const_int))).
3905 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3906 constant_call_address_operand.
3908 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3910 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3911 and LONG_LONG_TYPE_SIZE > 32.
3913 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3915 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3916 the previous change.
3918 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3920 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3922 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3923 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3924 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3927 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3929 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3931 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3933 * c-lang.c (c_post_options): Call cpp_post_options.
3934 * objc/objc-act.c (objc_post_options): Similarly.
3935 * cppmain.c (main): Similarly.
3936 * fix-header.c (read_scan_file): Similarly.
3937 * cppinit.c (cpp_start_read): Move option consistency checks
3938 to cpp_post_options. Don't call init_dependency_output.
3939 If needed, add default target and main file dependency.
3940 (OPT_MD, OPT_MMD): Remove.
3942 (cpp_handle_option): Update for OPT_* changes.
3943 (cpp_post_options): New.
3944 (init_dependency_output): Command line -MF overrides environment
3945 variables. Don't set default target etc. Suppress output
3946 if dependencies are going to stdout.
3947 (print_help): Update.
3948 * cpplib.h (cpp_post_options): New.
3949 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3951 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3953 * jump.c (comparison_dominates_p): Support unordered compares.
3955 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3957 * simplify-rtx.c (simplify_relational_operation): Always simplify
3958 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3961 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3963 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3964 (nonzero_bits): Likewise.
3965 (simplify_comparison): Likewise.
3966 (num_sign_bit_copies): Likewise; return more sane value depending
3967 on STORE_FLAG_VALUE.
3968 (known_cond): Do not assume EQ to be always true for equivalent
3971 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3973 * cse.c (fold_rtx): Handle unordered comparisons.
3975 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3977 * rtlanal.c (set_of_1): New static function.
3978 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3979 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3980 reg_set_last_last_regno): Remove.
3981 (set_of): New global function.
3982 (set_of_data): New structure.
3983 (reg_set_p, reg_set_last): Revamp for set_of.
3984 * rtl.h (set_of): New.
3986 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3988 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3989 * extend.texi: Document _Exit builtin.
3991 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3993 * (initialize, initialize_builtins,
3994 initialize_dependency_output, initialize_standard_includes):
3995 Rename s/initialize/init. Update.
3996 (init_dependency_output): Move to after
3997 cpp_handle_options, the correct location temporally at least.
3998 (opt_comp): Move next to init (), its caller. Fix prototype.
3999 (init): Make "initialized" local scope.
4000 (cpp_create_reader): Always call init ().
4001 (cpp_start_read): Update.
4002 (output_deps): New function, broken out of cpp_finish.
4003 (cpp_finish): Break out output_deps.
4005 2001-01-07 Richard Henderson <rth@redhat.com>
4007 * collect2.c (COFF specific stuff): Revert 12-06 patch
4008 to prototype system functions.
4010 2001-01-07 Michael Hayes <mhayes@redhat.com>
4012 * hard-reg-set.h: Add multiple include guard.
4013 * basic-block.h (struct loop): Add `sink' field.
4014 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4015 (emit_iv_add_mult): Delete.
4016 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4017 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4018 (unroll_loop): Remove end_insert_before argument.
4019 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4020 (maybe_eliminate_biv_1): Likewise.
4021 (emit_iv_add_mult): Delete.
4022 (gen_add_mult, loop_regs_update): New.
4023 (loop_insn_emit_after, loop_insn_emit_before): New.
4024 (loop_insn_sink, loop_insn_sink_or_swim): New.
4025 (emit_iv_add_mult): Delete.
4026 (scan_loop): Set loop->sink.
4027 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4028 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4029 (maybe_eliminate_biv_1): Likewise.
4030 (maybe_eliminate_biv_1): Add basic block argument.
4031 * unroll.c (unroll_loop): Remove end_insert_before argument.
4032 (find_splittable_regs): Likewise.
4033 (find_splittable_regs): Use loop_insn_sink and its ilk.
4034 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4036 2001-01-07 Michael Hayes <mhayes@redhat.com>
4038 * loop.h (loop_insn_hoist): New prototype.
4039 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4040 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4041 (check_dbra_loop, load_mems): Likewise.
4042 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4043 (find_splittable_givs): Likewise.
4045 2001-01-07 Michael Hayes <mhayes@redhat.com>
4047 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4049 2001-01-07 Richard Henderson <rth@redhat.com>
4051 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4053 2001-01-07 Richard Henderson <rth@redhat.com>
4055 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4056 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4057 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4058 variant that handles a shared libgcc.
4059 (process_command): Always validate -{static,shared}-libgcc.
4060 (do_spec_1): New 'M' case.
4061 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4063 2001-01-07 Richard Henderson <rth@redhat.com>
4065 * Makefile.in (slibdir): New variable.
4066 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4067 (installdirs): Create slibdir.
4068 (install-libgcc, install-multilib): Defer to libgcc.mk.
4069 * configure.in (slibdir): Substitute.
4070 * mklibgcc.in (install): New target.
4072 * config/t-linux (SHLIB_LINK): Create links for the soname.
4073 (SHLIB_INSTALL): New.
4074 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4075 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4076 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4077 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4078 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4080 2001-01-07 Richard Henderson <rth@redhat.com>
4082 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4083 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4084 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4086 2001-01-07 Michael Hayes <mhayes@redhat.com>
4088 * loop.c (count_loop_regs_set): Delete.
4089 (load_mems_and_recount_loop_regs_set): Delete.
4090 (loop_regs_scan): Merge common code from count_loop_regs_set,
4091 scan_loop, and load_mems_and_recount_loop_regs_set.
4092 (scan_loop): Call load_mems directly and loop_regs_scan
4093 again if new registers created.
4095 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4097 * toplev.c (main): Call the front-end specific post_options
4098 hook if one is given.
4099 * toplev.h (struct_lang_hooks, lang_hooks): New.
4100 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4101 for the C front end.
4102 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4103 lang_hooks for the C++ front end.
4104 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4105 lang_hooks for the ObjC front end.
4106 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4107 * java/lang.c (lang_hooks): Hooks for the Java front end.
4109 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4111 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4112 for verbose DWARF[2] debugging.
4113 (cb_define, cb_undef): The new callbacks.
4114 * toplev.h (debug_define, debug_undef): Make const correct.
4115 * toplev.c (debug_define, debug_undef): Similarly. Do not
4116 perform the verbosity tests here anymore.
4118 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4120 * reload.c (subst_reloads): Take INSN argument. When
4121 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4122 * reload.h (subst_reloads): Adjust prototype.
4123 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4124 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4125 present in JUMP_INSNs and copy them to JUMP_LABEL.
4126 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4127 JUMP_INSNs and insns with REG_LABELs that are followed by
4128 JUMP_INSNs with the same REG_LABEL.
4129 * sched-rgn.c (is_cfg_nonregular): Likewise.
4130 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4132 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4134 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4136 2001-01-06 Richard Henderson <rth@redhat.com>
4138 * loop.c (scan_loop): Use xcalloc for the regs array.
4139 (load_mems_and_recount_loop_regs_set): Zero the new memory
4140 received from xrealloc.
4142 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4144 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4146 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4148 * integrate.c (copy_rtx_and_substitute): When copying
4149 an ignored return value, strip REG_FUNCTION_VALUE_P.
4151 2001-01-06 Michael Hayes <mhayes@redhat.com>
4153 * loop.c (debug_biv, debug_giv): New.
4154 (loop_biv_dump): Break out from ...
4155 (record_biv): ... here.
4156 (loop_giv_dump): Break out from ...
4157 (record_giv): ... here.
4158 (loop_bivs_check): Use print_simple_rtl.
4159 * unroll.c (loop_iterations): Use print_simple_rtl.
4161 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4163 * pa.md (return, return_internal): Modify patterns to prevent regrename
4164 mucking with the return pointer.
4166 2001-01-05 Richard Henderson <rth@redhat.com>
4168 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4170 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4172 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4173 version supplied by Matteo Frigo.
4175 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4177 * cpp.texi: Update for -MQ.
4178 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4179 (cpp_cleanup): Always free pfile->deps.
4180 (initialize_dependency_output): Don't create pfile->deps.
4181 (cpp_handle_option): Similarly.
4183 * gcc.c (cpp_options): Handle -MQ.
4184 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4185 * mkdeps.c (base_name): Remove.
4186 (deps_init): Don't allocate vector space until it's needed.
4187 (deps_free): Only free vectors if allocated.
4188 (deps_add_target, deps_add_dep): Update for initial allocation.
4189 (deps_add_default_target): Don't strip to the base_name.
4191 2001-01-05 DJ Delorie <dj@redhat.com>
4193 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4194 (INIT_EXPANDERS): Define.
4196 * config/v850/v850.c (struct machine_function): Define.
4197 (v850_save_machine_status): New function.
4198 (v850_restore_machine_status): New function.
4199 (v850_return_addr): New function.
4200 (v850_init_expanders): New function.
4202 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4203 and v850_init_expanders.
4205 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4207 * cpplib.h (struct cpp_reader): Add help_only field.
4208 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4209 (cpp_handle_option): Set pfile->help_only if we see -h,
4210 --help, -target-help, or --version. Print version string but
4211 do not set help_only if we see -v or -version. Make text
4212 printed by -v match that printed by (-)-version.
4214 * cppmain.c (main): Exit after option parsing if
4215 pfile->help_only is true.
4217 * toplev.c (independent_decode_option): Call print_version,
4218 then exit, if we see --version (but not -version).
4219 (print_version): Split lengthy message into two lines.
4221 2001-01-05 Nick Clifton <nickc@redhat.com>
4223 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4224 temporary string for initialisation before calling ggc_alloc_string.
4226 2001-01-06 Michael Hayes <mhayes@redhat.com>
4228 * rtl.h (print_simple_rtl): New.
4229 * print-rtl.c (print_simple_rtl): New.
4231 (print_rtx): Disable printing of flags and modes, etc.,
4232 if `flag_simple` nonzero.
4234 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4236 * function.c (fixup_var_refs): Use push_to_full_sequence where
4239 2001-01-05 Michael Meissner <meissner@redhat.com>
4241 * flags.h (flag_reorder_blocks): Add declaration.
4242 (flag_rename_block): Ditto.
4244 2001-01-05 DJ Delorie <dj@redhat.com>
4246 * function.c (reorder_blocks): Make sure the flags are all reset
4247 before using them to mark blocks, else a second invocation will
4248 corrupt the block chain.
4249 (reorder_blocks_0): New, resets the flags.
4251 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4253 * cse.c (find_comparison_args): Stop if the argument is known to
4256 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4258 * config/sh/sh.md (movdf): When splitting load into pair of
4259 registers, don't clobber the register used in the address too
4262 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4264 * varasm.c (mark_constant_pool): Improve initial comments.
4265 (mark_constants): Move marking of constants to mark_constant.
4266 (mark_constant): New function to recursively mark all constants
4267 referred to by a constant.
4269 2001-01-05 Catherine Moore <clm@redhat.com>
4271 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4273 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4275 * cp/lang-options.h: Bring comment in line with reality.
4276 * f/lang-options.h: Likewise.
4277 * java/lang-options.h: Likewise.
4278 * objc/lang-options.h: Likewise.
4279 * ch/lang-options.h: Likewise.
4280 * f/g77.texi: And update the manual.
4282 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4283 Denis Chertykov <denisc@overta.ru>
4285 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4286 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4287 * config/avr/avr.md (all peepholes that request a scratch register):
4288 Call it, FAIL the peephole if not safe (in interrupt functions).
4290 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4292 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4294 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4296 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4298 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4299 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4300 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4301 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4302 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4304 * extend.texi: Document these builtins.
4306 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4308 * c-common.c (lang_get_alias_set): Say we know nothing of
4309 VECTOR_TYPE aliasing.
4311 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4313 2001-01-05 Bruce Korb <bkorb@gnu.org>
4315 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4316 their x* equivalent versions for atexit-less systems
4317 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4318 systems (or any other system any more).
4320 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4322 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4323 output operands. Use arm_hard_register_operand for operand 4.
4324 (stmsi_postinc): Similarly.
4325 (ldmsi): Use arm_hard_register_operand for opernand 2.
4327 * arm.c (arm_hard_register_operand): New function.
4328 * arm-protos.h (arm_hard_register_operand): Prototype it.
4330 * arm.h (HARD_REGNO_RENAME_OK): Define.
4332 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4334 * simplify-rtx.c (cfc_args): add "unordered" field.
4335 (check_fold_consts): Set unordered field.
4336 (simplify_relational_operation): Simplify the unordered
4339 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4342 * emit-rtl.c (try_split): Fix code to mark labels.
4343 * jump.c (mark_jump_label): Make global.
4344 * rtl.h (mark_jump_label): Declare.
4346 * predict.c (estimate_probability): Handle unordred comparisons.
4348 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4350 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4351 * cppinit.c (initialize_dependency_output): Update.
4352 (cpp_finish): Output dummy targets for -MP.
4354 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4355 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4356 * gcc.c (cpp_options): Update to handle -MP.
4357 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4358 to quote only the default target.
4359 (deps_phony_targets): Insert a preceding newline. Rename from
4360 deps_dummy_targets for consistency.
4363 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4365 * calls.c (emit_library_call_value_1): Support
4366 INIT_CUMULATIVE_LIBCALL_ARGS.
4367 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4369 2001-01-04 Richard Henderson <rth@redhat.com>
4371 * c-decl.c (finish_struct): Detect flexible array members
4372 used in an inappropriate context.
4373 * c-typeck.c (really_start_incremental_init): Special case
4374 constructor_max_index for zero length arrays.
4375 (pop_init_level): Allow initialization of flexible array
4376 members. Deprecate initialization of zero length arrays.
4377 Don't issue missing initializer warning for flexible array
4378 members or zero length arrays.
4379 (process_init_element): Don't dereference null DECL_SIZE.
4380 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4381 Don't abort for empty constructors. Use size_binop
4382 (output_constructor): Add commentary regarding zero length
4383 array futures. Abort if we try to initialize an array of
4384 unspecified length with a non-empty constructor in the middle
4387 * extend.texi (Zero Length): Update and clarify documentation
4388 on static initialization.
4390 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4392 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4393 with more than 32767 words of local storage.
4395 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4397 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4398 for 'abs', 'labs', and 'fabs'.
4399 (c4x_expand_builtin): Likewise.
4400 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4402 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4404 * config/sh/sh.md (prget, prset): New insn types.
4405 (return delay slot): Dont' allow prset.
4406 (call, sfunc delay slot): Don't allow prget.
4407 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4408 for prset and prget.
4410 2001-01-05 Michael Hayes <mhayes@redhat.com>
4412 * loop.h (struct loop_reg): New.
4413 (struct loop_regs): Change to use array of `struct loop_reg'.
4414 * loop.c: Replace assortment of varrays with single regs array.
4415 (count_one_set): Delete may_not_move array argument
4416 and use regs array instead. All caller's changed.
4417 (count_loop_regs_set): Delete may_not_move and single_usage
4418 arguments and use regs array instead. All caller's changed.
4419 (find_single_use_in_loop): Replace usage array argument with pointer
4420 to regs structure. All caller's changed.
4421 (loop_optimize): Delete `moved_once' array.
4423 2001-01-05 Michael Hayes <mhayes@redhat.com>
4425 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4426 Use it instead of loop_info->has_call for scanning loop mems.
4427 (check_dbra_loop): Replace loop_info->has_call test with
4428 loop_info->has_nonconst_call.
4430 2000-01-04 Matthew Hiller <hiller@redhat.com>
4432 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4435 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4437 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4438 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4440 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4442 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4443 (flag_short_double, flag_short_wchar): Define.
4444 (c_common_nodes_and_builtins): Create many tree nodes shared
4445 between C and C++ here instead of in cp/decl.c and ...
4446 * c-decl.c (init_decl_processing): ... here.
4447 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4448 (flag_short_double, flag_short_wchar): Don't define.
4449 (record_builtin_type): New function.
4450 (build_void_list_node): New function.
4451 * c-common.h (flag_short_double, flag_short_wchar,
4452 record_builtin_type, build_void_list_node): Declare.
4454 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4456 * integrate.c (expand_inline_function): Don't put a virtual
4457 register into the reg map.
4459 * function.c (fixup_var_refs_1): If force_operand didn't put
4460 the address into the target, move it there.
4462 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4464 Special-case tree_decl/tree_list allocations.
4465 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4466 (OBJECT_SIZE): New macro.
4467 (NUM_EXTRA_ORDER): Likewise.
4468 (extra_order_size_table): New variable.
4469 (NUM_ORDERS): New macro.
4470 (objects_per_page_table): New variable.
4471 (object_size_table): New variable.
4472 (G.pages): Use NUM_ORDERS to bound the array.
4473 (G.page_tails): Likewise.
4474 (DIV_ROUND_UP): Remove.
4475 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4476 (alloc_page): Use OBJECT_SIZE.
4477 (size_lookup): Don't make it const.
4478 (ggc_alloc): Use OBJECT_SIZE.
4479 (ggc_set_mark): Likewise.
4480 (ggc_get_size): Likewise.
4481 (init_ggc): Set up the object_size_table, objects_per_page_table,
4482 and adjust size_lookup.
4483 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4484 (ggc_pop_context): Use NUM_ORDERS.
4485 (clear_marks): Likewise.
4486 (sweep_pages): Likewise.
4487 (poison_pages): Likewise.
4488 (ggc_print_statistics): Use OBJECT_SIZE.
4490 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4492 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4493 Only call array_size_for_constructor if last field and array type
4494 with no upper bound.
4496 2001-01-04 Philip Blundell <philb@gnu.org>
4498 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4499 from bit 31 downwards, if this requires no more insns.
4500 (count_insns_for_constant): New helper function for above.
4502 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4504 * gencodes.c (output_predicate_decls): Remove empty initializer.
4506 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4508 * tree.c (copy_node): Remove documentation about obstacks.
4509 (buidl1): Check that nobody tries to build 2-argument nodes this
4512 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4514 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4517 * gencodes.c (output_predicate_decls): Fill empty initializer
4520 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4522 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4523 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4525 (do_include): Handle missing headers like cpp0.
4526 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4527 paths with first include pathname. Don't strcat to uninitialized
4530 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4532 * regrename.c (regrename_optimize): Don't rename from frame pointer
4533 if frame_pointer_needed.
4534 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4535 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4536 (ia64_reorg): Use it instead of scheduling if ! optimize.
4537 (errata_emit_nops): Properly call asm_noperands.
4538 (ia64_sched_reorder): Finish cycle if we see an asm.
4539 (ia64_variable_issue): Clear scheduling state after asms.
4541 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4543 * cpp.texi: Update for -MT.
4544 * cppinit.c (initialize_dependency_output): Add a default
4545 target if none has been given already.
4546 (no_tgt, OPT_MT): New.
4547 (cpp_handle_option): Handle -MT. Update -M etc.
4548 * cpplib.h (struct cpp_options): Remove deps_target.
4549 * gcc.c (cpp_options): Handle -MT.
4550 * mkdeps.c (struct deps): Move from mkdeps.h.
4551 (deps_calc_target): Rename deps_add_default_target. Add a
4552 default target if none has been specified already.
4553 * mkdeps.h (struct deps): Move to mkdeps.c.
4554 (deps_calc_target): Rename deps_add_default_target.
4556 2000-01-03 Richard Henderson <rth@redhat.com>
4558 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4560 * c-typeck.c (push_init_level): Move checks for flexible array
4561 members and zero length arrays ...
4562 (pop_init_level): ... here. Silently discard empty initializations.
4564 * varasm.c (output_constructor): Update for sizeof change to
4567 * extend.texi (Zero Length): Clarify semantics.
4569 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4571 * configure.in (tm.h): Include isns-codes.h last.
4572 * configure: Rebuilt.
4574 2001-01-03 Richard Henderson <rth@redhat.com>
4576 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4577 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4579 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4581 * tradcpp.c (main): Make sure finclude() is called with a valid
4582 indepth value while handling -include.
4584 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4586 * gencodes.c (output_predicate_decls): New function.
4588 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4589 even if it is not the first time machmode.h is #included.
4590 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4591 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4592 * gcc.texi (Copyright): Added 2001.
4594 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4596 * c-common.c (c_common_lang_init): New function. Warn if format
4597 warning options which only have effects when used with -Wformat
4598 are used without -Wformat.
4599 * c-common.h (c_common_lang_init): Declare.
4600 * c-lang.c (lang_init): Call c_common_lang_init.
4601 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4603 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4605 * configure.in: Check for the mktemp command.
4606 * configure: Regenerate.
4607 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4608 $TEMP. Create temporary files with mktemp, if available at
4609 configure time; otherwise use set -C. Remove temporary files
4612 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4614 * configure.in: Require at least texinfo 4.0. Check for whether
4615 Pod::Man is sufficiently recent to regenerate GCC manpages.
4616 * configure: Regenerate.
4617 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4619 (GENERATED_MANPAGES): Define.
4620 (generated-manpages): New target. Depend on cpp.1 as well as
4622 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4623 configure to generated-manpages or empty) rather than on the
4624 manpages directly. Remove execute permission from installed
4625 gcov.1 as well as cpp.1.
4626 * cpp.1, gcov.1: Regenerate.
4628 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4630 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4631 tree_low_cst. Allow using cmpstrsi in more cases.
4633 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4635 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4638 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4640 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4641 * Makefile.in (HOST_CFLAGS): Mention build-make.
4643 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4645 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4648 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4650 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4653 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4656 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4657 reg_base_value and reg_known_value arrays.
4658 (init_alias_analysis): Add more cases to detect known values.
4659 * sched-deps.c (deps_may_trap_p): New function.
4660 (sched_analyze_2): Use it.
4662 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4664 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4665 don't discard an ASHIFTRT if we're shifting in a wider mode.
4667 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4669 * toplev.c (rest_of_compilation): Don't print basic block information
4670 when CFG isn't up to date.
4672 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4674 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4675 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4676 (UNALIGNED_SHORT_ASM_OP): Define.
4677 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4679 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4681 * fold-const.c (fold_convert): Fix typo.
4683 2001-01-02 Richard Henderson <rth@redhat.com>
4685 * c-common.h (ASM_INPUT_P): New.
4686 * c-parse.in (asm): Set it when needed.
4687 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4688 existance of an operand.
4690 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4692 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4693 (dwarf2out_frame_debug_expr): Likewise.
4694 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4696 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4698 * i386.c (ix86_split_to_parts): Return number of part required;
4700 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4702 (ix86_split_long_move): Use number of part returned
4703 by ix86_split_to_parts
4704 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4706 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4707 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4708 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4709 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4710 (ALIGN_MODE_128): Add TFmode.
4711 (IS_STACK_MODE): Likewise.
4712 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4713 (HARD_REGNO_OK): Support TFmodes.
4714 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4715 * i386.md (scheduler definitions): Use memory operand to determine
4716 fst/fld instructions; use mode attribute to determine real mode of
4718 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4719 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4721 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4723 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4725 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4727 * expr.c (store_constructor_field): Update ALIGN before calling
4730 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4732 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4735 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4737 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4740 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4742 * c-decl.c (start_function): Don't warn on third parameter to main.
4744 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4746 * tsystem.h: Define HAVE_DECL_GETOPT.
4748 2001-01-02 Philip Blundell <pb@futuretv.com>
4750 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4753 2001-01-02 Richard Henderson <rth@redhat.com>
4755 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4757 2001-01-02 Andreas Jaeger <aj@suse.de>
4759 * c-decl.c (c_decode_option): Remove support of
4762 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4763 (W_options): Add -Wmissing-noreturn here.
4765 * flow.c: Define lang_missing_noreturn_ok_p.
4766 (check_function_return_warnings): Use it.
4768 * c-common.h: Declare lang_missing_noreturn_ok_p.
4770 * c-lang.c (c_missing_noreturn_ok_p): New function.
4771 (lang_init): Set lang_missing_noreturn_ok_p.
4773 * invoke.texi (Warning Options): Document this.
4775 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4777 * extend.texi (C++ Extensions): New node for C++ attributes;
4778 describe init_priority and com_interface.
4779 * invoke.texi: Remove -finit-priority as it now has zero effect.
4780 * install.texi: Fix xref syntax.
4781 * md.texi: Likewise.
4783 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4785 * config.gcc (sparc64-wrs-vxworks*): New case.
4786 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4788 * config/sparc/sparc.c (sparc_override_options): Do support different
4789 pointer and architecture size.
4790 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4791 (POINTERS_EXTEND_UNSIGNED): Define.
4792 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4793 (FUNCTION_MODE): Define to be Pmode.
4794 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4796 * function.c (expand_function_end): Properly handle DECL_RESULT
4797 and copy when ptr_mode != Pmode.
4798 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4800 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4802 * c-common.c (c_common_nodes_and_builtins): Set prototype
4803 parameters for __builtin_fputs, __builtin_fputc and
4804 __builtin_fwrite. Don't declare plain fputc as a builtin.
4806 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4808 * loop.c (add_label_notes): Increment the label usage count when
4809 a note is added to an insn which refers to a CODE_LABEL.
4810 * gcse.c (add_label_notes): Likewise.
4812 2001-01-01 Andreas Jaeger <aj@suse.de>
4814 * loop.c (scan_loop): Use xmalloc to allocate movables.
4816 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4818 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4819 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4820 * reload1.c (REGISTER_MOVE_COST): Likewise.
4821 * regclass.c (REGISTER_MOVE_COST): Likewise.
4822 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4823 dimension. Adjust all users.
4824 (init_reg_sets_1): Iterate on all modes.
4825 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4826 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4827 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4828 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4829 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4830 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4831 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4832 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4833 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4834 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4835 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4836 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4837 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4838 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4839 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4840 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4841 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4842 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4843 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4844 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4845 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4846 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4847 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4848 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4849 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4850 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4851 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4853 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4855 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4856 arg VARIES_P. Call it with extra arg.
4857 (true_dependence): Likewise.
4858 * rtl.h (rtx_addr_can_trap_p): Declare.
4859 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4861 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4862 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4863 pic offset table register if it's zero. All callers changed.
4864 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4866 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4868 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4869 STRING_POOL_ADDRESS_P.
4871 * config/sparc/sparc.c (input_operand): Properly test for short op.
4873 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4874 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4875 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4876 * config/sparc/elf.h: No longer include sol2.h.
4877 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4878 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4880 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4882 2001-01-01 Michael Hayes <mhayes@redhat.com>
4884 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4885 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4886 (record_initial): Likewise.
4887 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4888 (remap_split_bivs): Likewise.
4890 2001-01-01 Michael Hayes <mhayes@redhat.com>
4892 * loop.c (loop_ivs_free): New function.
4893 (strength_reduce): Break out from...
4895 2001-01-01 Michael Hayes <mhayes@redhat.com>
4897 * loop.h (struct iv): New.
4898 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4899 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4900 'reg_biv_class' fields with 'regs' and 'n_regs'.
4901 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4902 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4903 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4905 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4907 * resource.c (mark_referenced_resources): Abort() before
4908 attempting to mark a pseudo register.
4909 (mark_set_resources): Likewise.
4911 2001-01-01 Michael Hayes <mhayes@redhat.com>
4913 * loop.h (REG_IV_CLASS): New accessor macro.
4914 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4915 * unroll.c (REG_IV_CLASS): Likewise.
4917 See ChangeLog.4 for earlier changes.
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