1 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4 from reg 4 if current_function_calls_setjmp.
6 * reload1.c (eliminate_regs_in_insn): Restrict the special case
7 code not to try to optimize adds with anything but a REG destination.
9 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
10 (INSN_PRIORITY_KNOWN): New accessor macro.
11 * haifa-sched.c (priority): Use it instead of testing priority against
14 2001-02-28 DJ Delorie <dj@redhat.com>
16 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
17 since that doesn't work the way gcc wants on a generic m68k.
19 2001-02-28 Richard Henderson <rth@redhat.com>
21 * caller-save.c (save_call_clobbered_regs): Fix typo in
22 comparison last change.
24 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
26 * i386.c (pentium4_cost): New.
28 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
29 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
30 x86_integer_DFmode_moves, x86_partial_reg_dependency,
31 x86_memory_mismatch_stall): Add Pentium4
32 (x86_use_q_reg, x86_use_any_reg): Kill.
33 (override_options): Add pentium4.
34 (incdec_operand): Return 0 for pentium4.
35 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
36 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
37 (TARGET_PENTIUM4): Define.
38 (enum processor_type): Add PROCESSOR_PENTIUM4.
39 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
40 * i386.md (attribute "cpu"): Add pentium4.
41 * invoke.texi (march): Add pentium4.
43 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
45 * i386.md (sse_mov?fcc*): New patterns and splitters.
46 * i386.c (ix86_expand_movcc): Work post-reload; recognize
47 the SSE based conditional moves.
49 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
51 * i386.md (attribute mode): Add "TI".
52 (movsf_1): Add pxor support; remove constant propagation splitter.
53 (movdf_integer): Likewise.
54 (movdf_nointeger): Likewise.
55 (movxf constant prop splitter): Handle all modes; update for SSE.
56 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
57 * i386.c (standard_80387_constant_p): Rewrite.
58 (standard_sse_constant_p): New.
59 * i386-protos.h (standard_sse_constant_p): New.
61 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
63 * i386.md (sse_setccsf, sse_setccdf): New.
64 (sse_cmp* patterns): Use '%D' instead of outputtting condition
66 * i386.c (sse_comparison_operator): Accept the supported unordered
67 comparses; be ready for fast_math.
68 (print_operand): Support 'D'.
70 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
72 * jump.c (reversed_comparison_code): Kill.
74 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
76 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
79 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
81 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
82 add missing '%' in constraints.
84 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
86 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
87 for HOST_BITS_PER_WIDE_INT == 32 too.
89 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
91 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
93 (insert_save, insert_restore): New parameter save_mode.
94 (init_caller_save): Update initialization of reg_save_code
96 (save_call_clobbered_regs): Compute save_modes and update calls to
97 reg_save_code and reg_restore_code.
98 (insert_restore): Unsignetize numbers; use save_modes to choose mode
99 of spill; update use of reg_restore_code.
100 (insert_save): Likewise.
101 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
102 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
103 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
105 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
107 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
108 noce_try_store_flag_inc, noce_try_store_flag_mask,
109 noce_try_cmove_arith):
110 Use reversed_comparison_code instead of reverse_comparison and
111 can_reverse_comparison_p.
113 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
115 * jump.c (reversed_comparison_code_parts): Allow reversal of
116 unordered compares in -ffast-math mode; reverse ordered compares
117 for FP even w/o -ffast-math.
119 2001-02-27 Richard Henderson <rth@redhat.com>
121 * print-rtl.c (print_rtx) [i]: Don't print field five on
122 NOTEs other than NOTE_INSN_DELETED_LABEL.
124 2001-02-27 Zack Weinberg <zackw@stanford.edu>
126 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
127 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
129 2001-02-27 Diego Novillo <dnovillo@redhat.com>
131 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
132 even if walk_subtrees is 0.
133 * c-semantics.c (prune_unused_decls): Return a non-null value to
134 stop traversing the tree chain.
136 2001-02-27 DJ Delorie <dj@redhat.com>
138 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
139 register, *then* define it as the new CFA.
141 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
143 * pa.c (override_options): Promote -fpic to -fPIC.
144 (legitimize_pic_address): Simplify due to removal of
145 small PIC as a code generation option.
146 (secondary_reload_class): Similarly.
147 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
148 (PRINT_OPERAND_ADDRESS): Similarly.
149 * pa.md (various patterns): Similarly.
150 (small pic lo_sum pattern): Remove.
152 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
155 * md.texi (min, max): Document
157 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
159 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
160 TARGET_PARTIAL_REG_DEPENDENCY.
161 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
163 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
165 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
167 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
169 * mips.c (mips_make_temp_file): Fix thinko in last change.
171 2001-02-26 Jason Eckhardt <jle@redhat.com>
173 * combine.c (known_cond): Do not reverse the condition when
174 SMAX/UMAX is being considered and the condition is for equality
177 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
179 2001-02-26 Philip Blundell <philb@gnu.org>
181 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
183 * config/arm/linux-elf.h: Remove historical relics related to
184 above configurations.
185 * config/arm/linux-oldld.h: Delete.
186 * config/arm/linux-elf26.h: Delete.
188 2001-02-26 Jason Merrill <jason@redhat.com>
190 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
192 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
193 recognize a tentative definition. Lose obsolete code.
195 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
196 variables unless necessary, either.
198 2001-02-25 Richard Henderson <rth@redhat.com>
200 * ifcvt.c (struct noce_if_info): Add test_bb.
201 (noce_get_alt_condition): New.
202 (noce_try_minmax, noce_try_abs): New.
203 (noce_operand_ok): New.
204 (noce_process_if_block): Use them.
205 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
207 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
209 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
212 2001-02-25 Zack Weinberg <zackw@stanford.edu>
214 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
215 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
217 (mips_asm_file_end): Free temp_filename here.
219 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
221 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
222 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
224 * config/i386/i386.md (movstrsi): Handle FAIL case.
226 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
228 * cppinit.c (builtin_array): Update.
229 (init_builtins): Flag builtins to warn if redefined or
230 undefined. Define __GXX_WEAK as a normal macro.
231 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
232 * cpplib.h (NODE_WARN): New flag.
233 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
234 Handle __STDC__ as a builtin only on Solaris.
235 (warn_of_redefinition): Renamed from check_macro_definition.
236 Reverse sense of test. Always warn if NODE_WARN.
237 (_cpp_create_definition): Use warn_of_redefinition. Flag
238 any macro beginning with "__STDC_" to require a mandatory
239 warning if redefined or undefined.
241 2001-02-24 Zack Weinberg <zackw@stanford.edu>
243 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
244 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
245 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
246 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
247 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
248 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
250 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
251 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
252 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
253 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
254 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
256 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
257 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
260 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
261 Delete now-empty file.
263 * alpha/vms.h: Define NEED_ATEXIT here...
264 * alpha/xm-vms.h: ...not here.
266 * i386/cygwin.h: Don't define PARAMS.
267 * mips/mips.c: Don't prototype mktemp. Don't define
268 P_tmpdir. Use make_temp_file to create temporary files.
269 Don't be clever and delete temporary files early.
270 * config.gcc: Drop references to deleted files. Don't define
272 * gcc.texi: Don't mention USE_PROTOTYPES.
274 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
276 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
277 (ix86_set_move_mem_attrs_1): Likewise.
278 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
279 * config/i386/i386.md (movstrsi): Call it.
281 2001-02-24 Zack Weinberg <zackw@stanford.edu>
283 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
284 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
285 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
286 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
288 (i750a-*-*): Error here if hosting on i750a.
289 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
291 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
292 Remove (empty modulo comments).
294 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
295 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
296 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
297 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
298 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
299 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
301 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
302 Remove reference to winnt.h in comment.
303 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
305 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
307 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
308 used to set another biv.
310 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
312 * tree.h (BLOCK_DEAD): New macro.
313 (struct tree_block): New flag, dead_flag.
314 * print-tree.c (print_node, case 'b'): Print missing fields.
315 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
316 * function.c (identify_blocks): Enable test for misplaced notes.
317 (all_blocks): Skip BLOCK_DEAD blocks.
318 * integrate.c (integrate_decl_tree): Likewise.
320 * errors.c (internal_error, trim_filename): New functions.
321 (fancy_abort): Call internal_error.
322 * errors.h (internal_error, trim_filename): New declarations.
324 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
326 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
328 (EXTRA_CONSTRAINT): Formatting changes.
330 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
332 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
334 2001-02-23 Per Bothner <per@bothner.com>
336 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
337 so they can be called from java/jvspec.c.
338 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
340 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
342 * i386.c (ix86_frame): New structure.
343 (ix86_compute_frame_size): Kill.
344 (ix86_compute_frame_layout): New.
345 (ix86_save_reg): New.
346 (ix86_can_use_return_insn_p): Use frame layout stuff.
347 (ix86_expand_prologue): Likewise.
348 (ix86_expand_epilogue): Likewise.
349 (ix86_initial_elimination_offset): Likewise.
350 (ix86_nsaved_regs): Use ix86_save_reg.
351 (ix86_emit_save_regs): Likewise.
353 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
355 * flow.c (find_sub_basic_blocks): New function.
356 (split_block): Be ready for basic block introduced by CODE_LABEL.
357 (commit_one_edge_insertion): Call find_sub_basic_block.
359 * flow.c (make_edges): Add edge from entry for blocks starting with
360 label having ALTERNATE_NAME
362 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
364 * function.c (epilogue_done): Be ready for first basic block not
365 containing PROLOGUE_END note.
366 (reposition_prologue_and_epilogue_notes): Avoid placing
367 PROLOGUE_END note between BASIC_BLOCK.
369 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
371 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
373 2001-02-21 DJ Delorie <dj@redhat.com>
375 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
376 check for current_function_has_nonlocal_goto from 1999-11-12.
378 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
380 * diagnostic.c (trim_filename): No longer static.
381 * toplev.h (trim_filename): Declare.
382 * rtl.c (rtl_check_failed_bounds): Call internal_error.
383 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
384 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
385 (rtvec_check_failed_bounds): Likewise.
386 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
388 * convert.c (convert_to_integer): Don't do unsigned unless result or
389 both inputs are unsigned.
391 * fold-const.c (fold_convert): Don't call size_int_type_wide if
394 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
396 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
398 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
400 * Makefile.in (resource.o): Add params.h dependence.
401 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
402 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
403 * resource.c: Add dependence on params.h.
404 (current_live_regs): Fix explanatory comment.
405 (find_basic_block): Add new parameter to permit limiting search
407 (mark_target_live_regs): Add new argument to find_basic_block call.
408 (incr_ticks_for_insn): Likewise.
410 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
412 * diagnostic.c (output_to_stream): Rename to
413 output_buffer_to_stream. Loses the stream parameter.
414 (init_output_buffer): Set diagnosic_buffer's stream.
415 (flush_diagnostic_buffer): Adjust.
416 (default_print_error_function): Likewise.
417 (finish_diagnostic): Likewise.
418 (verbatim): Likewise.
420 * diagnostic.h (struct output_buffer): Add `stream' field.
421 (output_buffer_attached_stream): New macro.
423 2001-02-23 Jakub Jelinek <jakub@redhat.com>
425 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
426 check if either operand is divisible by C.
427 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
428 If type is signed, consider negative numbers as well.
430 2001-02-22 Richard Henderson <rth@redhat.com>
432 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
433 reach .text instead of gp-relative relocs.
434 * config/ia64/crtend.asm (.init): Likewise.
436 2001-02-22 Andreas Jaeger <aj@suse.de>
438 * extend.texi (C++ Attributes): Fix typo.
440 2001-02-21 David Mosberger <davidm@hpl.hp.com>
442 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
443 functions, drop current_function_args_info.words test.
444 (ia64_compute_frame_size): Mark syscall_linkage functions as
445 using eight input registers.
447 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
448 Bruce Korb <bkorb@gnu.org>
450 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
451 * fixinc/README: Document how to convert sed substitutions
452 to format style c_fix-es.
453 * fixinc/fixincl.x: regen
455 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
457 * gcc.c: Add comment explaining how to add a command-line option.
458 Add title to specs language comment.
460 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
462 * gcc.c (cc1_options): Add "-param".
463 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
464 (option_map): Likewise.
465 * toplev.c (display_help): Add entry for "--param".
466 (independent_decode_option): Fix typographical error.
468 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
469 Bernd Schmidt <bernds@redhat.com>
470 Jan Hubicka <jh@suse.cz>
472 * i386.c (function_arg_advance): Pass SSE arguments in registers.
473 (function_arg): Likewise.
475 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
477 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
479 2001-02-21 Kazu Hirata <kazu@hxi.com>
481 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
485 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
487 * flow.c (init_propagate_block_info): Canon address and use single_set
488 for killing dead memory stores.
490 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
492 * Makefile.in (reorg.o): Add params.h dependence.
493 * params.def: Fix typographical error in comment.
494 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
495 * params.h: Modify introductory comment.
496 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
497 * reorg.c: Add dependence on params.h.
498 (redundant_insn): Add parameterized throttle for search.
499 (fill_simple_delay_slots): Add a comment explaining a variable.
500 Move conditional out of loop, simplifying code.
501 (fill_eager_delay_slots): Fix typographical error in comment.
503 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
505 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
507 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
508 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
510 2001-02-21 Jason Merrill <jason@redhat.com>
512 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
513 (struct tree_decl): Add uninlinable bitfield.
514 * c-decl.c (duplicate_decls): Set it.
515 * integrate.c (function_cannot_inline_p): Check it.
517 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
518 DW_AT_MIPS_linkage_name to abstract methods.
519 (dwarf2out_abstract_function): Emit class context before calling
520 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
521 (gen_subprogram_die): Remove obsolete code.
522 (gen_member_die): Don't include clones in the member list.
523 (gen_decl_die): Emit abstract info for clone origin.
524 * dwarfout.c (output_type): Don't include clones in the member list.
525 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
526 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
527 DECL_ABSTRACT on a function that already has it set.
529 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
530 (get_subprogram_die): Pass it in.
532 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
534 * flow.c (mark_set_1): Make not_dead unsigned long. For
535 non-pseudos, use it as a bitmask of the hard regs that
538 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
540 * cppfiles.c: Update comments.
541 (_cpp_read_file): Don't check for NULL filenames any more.
542 * cppinit.c (cpp_start_read): Don't do canonicalization of
543 in_fname and out_fname. Use the passed file name exclusively.
544 (_cpp_handle_options): Don't treat "-" as a command line option,
545 but as a normal filename.
546 (_cpp_post_options): Canonicalize in_fname and out_fname.
547 * cppmain.c (printer_init): Don't check out_fname for NULL.
548 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
549 (init_c_lex): Update, and use "" to represent stdin to CPP.
552 2001-02-20 Will Cohen <wcohen@redhat.com>
554 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
555 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
556 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
559 2001-02-20 Stan Shebs <shebs@apple.com>
561 * config/rs6000/rs6000.c (output_cbranch): Output branches
562 on separate lines instead of using ';' to separate.
564 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
566 * cppinit.c (set_lang): Move builtin handling to...
567 (init_builtins): ...here.
568 (_cpp_create_reader): Move call to set_lang.
570 2001-02-20 Mark Mitchell <mark@codesourcery.com>
572 * stmt.c (expand_return): If an attempt is made to return the
573 error_mar_node, treat the return like a return without a value.
575 2001-02-19 Zack Weinberg <zackw@stanford.edu>
577 * sibcall.c (skip_copy_to_return_value): Call
578 identify_call_return_value here, and return orig_insn if it
579 returns zero. Hardret and softret arguments now unnecessary.
580 (call_ends_block_p): Don't call identify_call_return_value here.
582 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
584 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
585 * ggc.h (ggc_mark_if_gcable): Delete prototype.
587 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
589 * pa.c (move_operand): Accept code to load the address of a
590 symbol out of the DLT as a valid move operand.
591 (print_operand, case 'A'): New to handle generating a DLT
592 reference for a LO_SUM expression.
593 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
594 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
596 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
598 * README, cpp.texi, gcc.texi, version.c: Update version number to
600 * cpp.1, gcov.1, gcc.1: Regenerate.
602 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
604 * cppfiles.c (stack_include_file): Generate dependencies
605 here, and manage include_count here too.
606 (PRINT_THIS_DEP): Delete.
607 (_cpp_execute_include): Do not generate dependencies here,
608 apart from the case of a missing header. Do not manage
610 (_cpp_read_file): Leave dependency generation to
613 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
615 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
616 target_cpu_default. Remove dead assignment to
619 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
621 * regclass.c (contains_reg_of_mode): Make global.
622 (init_reg_sets): Remove contains_reg_of_mode; take into account
623 CLASS_MAX_NREGS when looking for the proper mode.
624 (dump_regclass): Dump only classes considered for the pseudo.
625 (regclass): Use contains_reg_of_mode.
627 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
629 * gcc.c (do_spec_1): 'n' for printing notices.
630 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
632 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
634 * reg-stack.c (next_flags_user): Use current_block->end
635 (swap_rtx_condition): Look for next user if flags don't die;
636 give up on CALL_INSNs; use current_block->end.
638 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
640 * sibcall.c (call_ends_block_p): New function.
641 (optimize_sibling_and_tail_recursive_call): Use it.
643 2001-02-18 Kazu Hirata <kazu@hxi.com>
645 * config/h8300/h8300.md: Update copyright.
646 (andsi3): Do not output an extra newline character.
648 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
650 * toplev.c (note_deferral_of_defined_inlined_function): Argument
651 FNDECL may be unused.
653 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
654 follow jumps after first run.
655 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
656 it doesn't change any jumps.
658 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
660 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
661 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
662 (mostlyclean): Corresponding changes.
663 * rtlanal.c (hard-reg-set.h): Include.
664 (rtx_unstable_p): Do not treat the argument pointer specially
665 if it is not a fixed register.
666 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
668 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
670 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
671 against last real insn in basic block.
672 Rework to avoid gotos.
674 * Makefile.in (gcse.o): Now includes ggc.h.
675 * gcse.c: Include ggc.h.
676 (want_to_gcse_p): Verify expression can be in SET as valid insn.
677 (try_replace_reg): Remove warning of uninitialize variable.
678 (process_insert_insn): Call invalid_insn_p to validate insn.
679 * recog.c (insn_invalid_p): Now global.
680 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
681 * recog.h (insn_invalid_p): New declaration.
683 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
685 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
686 assignments from FP constants since 'Y' output code can't handle it.
687 (eligible_for_sibcall_delay): Likewise.
689 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
690 Call fancy_abort directly, passing args.
691 (print_rtl_and_abort): Now a macro, like fancy_abort.
693 * final.c (output_operand_lossage): Use internal_error, not error.
695 2001-02-18 Shane Nay <shane@agendacomputing.com>
697 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
698 structure shift insns.
700 2001-02-18 Mark Mitchell <mark@codesourcery.com>
702 * invoke.texi (-fsquangle): Remove documentation.
703 (-fname-mangling-version): Likewise.
705 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
707 * optabs.c (expand_abs): Remove reference to
708 HAVE_contitional_arithmetic.
709 * combine.c (simplify_set): Likewise.
711 2001-02-18 Richard Henderson <rth@redhat.com>
713 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
716 2001-02-18 Richard Henderson <rth@redhat.com>
718 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
720 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
722 * reload1.c (reload_cse_simplify_set): Fix typo.
724 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
726 * diagnostic.c (_fatal_insn): Decrement errorcount.
728 * invoke.texi (-I): Add note avoiding use for system header files.
730 * rtl.h (add_clobbers): Remove duplicate declaration.
731 * recog.h (added_clobbers_hard_reg_p): New declaration.
732 * genemit.c (struct clobber_pat): New field has_hard_reg.
733 (gen_insn): Record if added clobbers clobber hard reg.
734 (gen_split): Avoid unused warning if number of operands is 0.
735 (output_added_clobbers_hard_reg_p): New function.
738 2001-02-18 Alan Modra <alan@linuxcare.com.au>
740 * pa.c (hppa_expand_prologue): Simplify code storing return
741 pointer. For large (>=8k) frames with a post_store, adjust stack
742 pointer by 8k-64 first rather than by 64. When testing with
743 VAL_14_BITS_P, always use the actual value rather than the value
744 negated. Add blockage to prevent scheduling of spills before
745 stack frame has been created.
746 (hppa_expand_epilogue): Simplify code loading return pointer.
747 Allow a slightly larger range for merge_sp_adjust_with_load case.
748 When testing with VAL_14_BITS_P, always use the actual value.
750 * pa.c (pa_adjust_insn_length): Check that block move
751 pattern is a set before looking at operands.
753 2001-02-17 Mark Mitchell <mark@codesourcery.com>
755 * fold-const.c (fold_binary_op_with_conditional_arg): New
756 function, split out from ...
758 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
759 conditional arms that throw exceptions.
761 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
764 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
766 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
767 define HAVE_DECL_* to 1 to mask potential backup declarations.
768 * configure: Regenerated.
770 2001-02-17 Mark Mitchell <mark@codesourcery.com>
772 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
774 2001-02-17 Richard Henderson <rth@redhat.com>
776 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
777 when replacing a memory load with a register.
779 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
780 Jan Hubicka <jh@suse.cz>
782 * recog.c (validate_replace_src_1): New.
783 (validate_replace_src_data): Likewise.
784 (validate_replace_src): Use note_uses.
785 * rtl.h (note_uses): Declare.
786 * rtlanal.c (note_uses): New.
788 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
790 * reg-stack.c (stack_def): Make field reg unsigned.
791 (remove_regno_note): Unsignetize parameter.
793 2001-02-16 Jes Sorensen <jes@linuxcare.com>
795 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
796 shladd_operand() call.
798 2001-02-16 Bruce Korb <bkorb@gnu.org>
799 Rodney Brown <RodneyBrown@mynd.com>
801 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
802 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
804 * fixinc/fixincl.x: regen
806 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
808 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
810 (hash_scan_insn): Clean up calls to hash_scan_set.
811 (compute_kill_rd): REGNO now unsigned.
812 (try_replace_reg): Rework to use simplify_replace_rtx.
813 (cprop_jump, cprop_cc0_jump): Likewise.
814 (cprop_insn): Call find_reg_equal_equiv_note.
815 Reflect changes to cprop_jump and cprop_cc0_jump.
817 * recog.c (validate_replace_src): Replace in operands of
818 ZERO_EXTRACT in SET_DEST.
820 * cse.c (new_label_ref): New variable.
821 (insert): Set it instead of recorded_label_ref.
822 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
823 CODE_LABEL for this function, and not already in REG_LABEL note.
825 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
827 * resource.c (mark_referenced_resources): Fix typo in introductory
829 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
832 2001-02-16 Jason Merrill <jason@redhat.com>
834 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
836 (gen_subprogram_die): Don't abort on seeing a second definition if
837 the previous one was abstract. Don't replace an abstract instance
840 * dwarf2out.c (dwarf2out_abstract_function): Rename from
841 gen_abstract_function.
842 * dwarf2out.h: Declare it.
843 * toplev.c (note_outlining_of_inline_function): New fn.
844 * toplev.h: Declare it.
845 * integrate.c (output_inline_function): Call it.
846 * c-decl.c (duplicate_decls): Call it when redefining an extern
847 inline. Don't inline the new defn.
849 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
851 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
853 * .gdbinit: Rename to gdbinit.in.
854 * gdbinit.in: New file,
855 * configure.in: Generate .gdbinit from gdbinit.in.
856 * configure: Regenerated.
857 * Makefile.in (distclean): Always remove .gdbinit.
859 2001-02-16 Jakub Jelinek <jakub@redhat.com>
861 * objc/objc-act.c (start_class): Register implemented_classes with
864 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
866 * cppfiles.c (_cpp_make_system_header): Generate a file
869 2001-02-15 Jim Meyering <meyering@lucent.com>
871 * Makefile.in (install-common): Don't depend on installdirs here.
872 Instead, make each of the lang.install-common targets (e.g.,
873 c++.install-common in cp/Make-lang.in) depend on it.
874 (install-driver): Depend on installdirs.
876 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
878 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
880 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
883 2001-02-15 Mark Mitchell <mark@codesourcery.com>
885 * invoke.texi (--param): Document.
887 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
889 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
891 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
893 * i386.md (extendsfdf2_2): Fix constraints.
895 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
897 * i386.md (fop_df_3 splitter): Fix operand number.
899 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
901 * invoke.texi (-mreg-alloc): Nuke.
902 * i386.c (ix86_reg_alloc_order, regs_allocated,
903 order_regs_for_local_alloc): Nuke.
904 (override_options): Kill reg_alloc code.
905 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
906 (REG_ALLOC_ORDER): SSE goes before I387.
907 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
908 (ix86_reg_alloc_order): Likewise.
909 * i386-protos.h (ix86_reg_alloc_order): Kill.
911 2001-02-14 Richard Henderson <rth@redhat.com>
913 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
915 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
917 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
919 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
921 * i386-protos.h (ix86_memory_move_cost): Move offline.
922 * i386.c (ix86_register_move_cost): Compute properly cost of
923 SSE, MMX and i387 instructions.
924 (*_cost): Add costs of SSE/MMX moves.
925 (ix86_memory_move_cost): Move offline from ....; Likewise.
926 * i386.h (MEMORY_MOVE_COST): .... here;
927 (struct processor costs): Add new fields to represent costs
930 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
932 * regclass.c (init_reg_sets_1): Reinstall the optimization of
933 move_cost together with Matt Kraai's fix.
935 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
937 * Makefile.in (OBJS): Add params.o.
939 2001-02-14 Richard Henderson <rth@redhat.com>
940 DJ Delorie <dj@redhat.com>
942 * jump.c (jump_optimize_1): When we delete a conditional jump
943 preceeding a non-conditional jump to effectively the same place,
944 make sure that the combined jump skips any clobber insns between
947 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
949 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
951 2001-02-14 Mark Mitchell <mark@codesourcery.com>
953 * Makefile.in (toplev.o): Depend on params.h.
954 (intergate.o): Likewise.
955 (params.o): New target.
956 * flags.h (inline_max_insns): Remove.
957 * integrate.c: Include params.h.
958 Use MAX_INLINE_INSNS instead of inline_max_insns.
959 * params.c: New file.
960 * params.h: Likewise.
961 * params.def: Likewise.
962 * toplev.c: Include params.h.
963 (lang_independent_params): New variable.
964 (decode_f_option): Use the param machinery instead of setting
966 (independent_decode_option): Handle "--param name=value".
967 (main): Register language-independent parameters.
969 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
971 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
973 2001-02-14 Richard Henderson <rth@redhat.com>
975 * regclass.c (init_reg_sets_1): Revert last two changes.
977 2001-02-14 Jakub Jelinek <jakub@redhat.com>
979 * stor-layout.c (is_pending_size, put_pending_size): New functions.
980 (variable_size): Call put_pending_size.
981 * tree.h (is_pending_size, put_pending_size): Add prototypes.
982 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
983 sizes list, put newly created SAVE_EXPR there as well.
985 2001-02-14 Jakub Jelinek <jakub@redhat.com>
987 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
988 (errata_find_address_regs): load_group has only 2 entries.
989 (errata_emit_nops): Likewise. shladd is not problematic.
990 Clear last_group if nop was emitted.
991 (fixup_errata): load_group has only 2 entries.
994 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
996 * c-lex.c (lex_number): Only warn traditionally for U suffix
997 outside system macros.
998 * cppexp.c (parse_number): Similarly.
999 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1000 * cppmacro.c (struct cpp_macro): New member node.
1001 (parse_args): Only warn about missing rest args if not
1003 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1004 (cpp_sys_objmacro_p): New.
1005 (_cpp_create_definition): Store the node with the macro defn.
1006 Remember if the macro is defined in a system header.
1008 2001-02-13 DJ Delorie <dj@redhat.com>
1010 * configure.in (check_languages): determine languages to check
1011 * Makefile.in (check-c++): alias for check-g++
1012 (check-f77): alias for check-g77
1013 (CHECK_TARGETS): depend on configured languages
1015 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1017 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1018 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1019 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1020 (sqrtextendsfdf2): Disable for SSE2.
1022 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1024 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1025 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1026 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1027 (sqrtextendsfdf2): Disable for SSE2.
1029 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1031 * i386.md (movsfcc_1): Support integer cmove instruction.
1032 (movdfcc_1): Likewise; new splitter.
1034 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1036 * i386.c (output_fp_compare): Support SSE.
1037 (prepare_fp_compare_args): SSE comparisons always support memory.
1038 * i386.h (TARGET_CMOVE): SSE imply cmove.
1039 * i386.md (cmp?f2): Enable for SSE too.
1040 (cmpfp_i*): Support SSE.
1042 (cmpfp_i_sse_only): New.
1043 (s*, b* fp expanters): Enable for SSE too.
1044 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1047 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1049 * regclass.c (init_reg_sets_1): Silence warning.
1051 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1053 * i386.md (sqrt?f2): Change to expander.
1054 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1056 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1058 * rtlanal.c (find_reg_equal_equiv_note): New function.
1059 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1060 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1061 * rtl.h: Add declarations for above functions.
1063 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1065 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1067 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1068 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1069 * flow.c (mark_regs_live_at_end): Likewise.
1070 (calculate_global_regs_live): Likewise.
1071 * gcse.c (compute_hash_table): Likewise.
1072 (compute_kill_rd): Likewise.
1073 * resource.c (mark_target_live_regs): Likewise.
1074 * rtl.h (INVALID_REGNUM): New macro.
1076 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1078 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1080 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1082 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1085 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1087 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1089 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1090 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1091 (fop_sf_1_sse, fop_df_1_sse): New patterns
1092 (fop_*): Disable float_extend and float patterns for SSE compilation.
1093 * i386.c (output_387_binary_op): Support SSE.
1095 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1097 * i386.md (dummy_extendsfdf2): Support SSE2
1098 (extendsfdf2): Enable if 80387 or SSE2.
1099 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1100 and no MIX_I387_SSE2
1101 (extendsfdf2_1_sse_only): New pattern.
1102 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1104 (truncdfsf2_1): Support SSE.
1105 (truncdfsf2_2): Support SSE.
1106 (truncdfsf2_2_1_sse): New pattern.
1107 (fixtruncsfsi2): Always use SSE if available.
1108 (fix_truncsfsi_sse): New pattern.
1109 (fix_truncdfsi_sse): New pattern.
1110 (floatsis?f2): Support SSE.
1111 (floatsidf2_i387): New pattern.
1112 (floatsidf2_sse): Likewise.
1114 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1116 * configure.in: Use "have_gnat" variable, not "gnat".
1117 * configure: Regenerated.
1119 * config/sparc/sparc.c (function_value): Treat all non-record
1120 aggregate types like used to treat UNION_TYPE.
1122 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1124 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1125 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1127 (MASK_MIX_SSE_I387): New.
1128 (TARGET_SSE): SSE2 imply SSE.
1129 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1130 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1131 (enum reg_class): Add new classes.
1132 (REG_CLASS_NAMES): Likewise.
1133 (REG_CLASS_CONTENTS): Likewise.
1134 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1135 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1136 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1137 (CLASS_MAX_NREGS): Use new macros.
1138 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1139 * i386.md (pushsf, movsf): Support SSE.
1140 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1141 splitters to use ANY_FP_REGNO_P.
1142 (movdf_nointeger, movdf_integer): Likewise.
1144 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1146 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1147 (try_combine): Use it.
1149 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1151 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1152 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1153 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1154 (REGISTER_MOVE_COST): Likewise.
1155 * i386-protos.h (ix86_secondary_memory_needed,
1156 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1157 * i386.c (ix86_secondary_memory_needed,
1158 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1160 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1162 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1163 (HARD_REGNO_MODE_OK): Move offline to ....
1164 * i386.c (ix86_hard_regno_mode_ok) ... here;
1165 refuse all incorrect modes.
1166 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1168 2001-02-13 Richard Henderson <rth@redhat.com>
1170 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1171 entire operator; replicate that and match_dup the operands.
1172 (cmp_ccx_arith_op_set): Likewise.
1173 (cmp_cc_arith_op_not_set): Likewise.
1174 (cmp_ccx_arith_op_not_set): Likewise.
1176 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1178 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1180 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1182 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1183 (TARGET_NO_BITFIELD_WORD): New macro.
1184 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1185 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1187 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1189 * cselib.c: New file, from simplify-rtx.c.
1190 * simplify-rtx.c: Remove cselib parts.
1191 * Makefile.in: Add cselib.o.
1193 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1195 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1196 (setup_incoming_varargs): Remove warning.
1198 * config/rs6000/rs6000.c (validate_condition_mode): When
1199 flag_fast_math, allow floating-point conditionals to be reversed.
1200 (rs6000_generate_compare): When flag_fast_math, don't generate
1201 cror operations for FP conditionals.
1203 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1205 (ASM_SPEC): Likewise.
1206 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1207 (CC1_SPEC): Likewise.
1208 (LINK_TARGET_SPEC): Likewise.
1209 (CPP_ENDIAN_SPEC): Likewise.
1210 * Makefile.in (check-consistency): New target.
1212 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1214 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1215 "return type defaults" warning for functions with return type
1217 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1218 function declarations by default rather than only when pedantic.
1220 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1222 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1225 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1227 * extend.texi (Deprecated): Deprecate new initializer lists.
1229 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1231 * mkdeps.c (deps_add_default_target): Robustify. Add
1232 basename component only.
1233 * cpp.texi (-M): Describe how default target is generated.
1234 * invoke.texi (-M): Likewise.
1236 2001-02-12 Kazu Hirata <kazu@hxi.com>
1238 * toplev.c (push_float_handler): Remove.
1239 (pop_float_handler): Remove.
1240 * toplev.h: Remove prototypes for the above functions.
1242 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1244 * c-common.c (constant_fits_type_p): New function.
1245 (convert_and_check): Use it.
1247 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1249 * Makefile.in (GXX_ABI_FLAG): Don't define.
1250 * configure.in (--enable-new-gxx-abi): Remove option.
1251 * config.in: Regenerated.
1252 * configure: Likewise.
1254 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1256 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1258 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1259 regular basic block, and arrange for all edges into it to switch
1262 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1264 * Makefile.in (distclean): Do not remove .gdbinit.
1266 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1268 * Makefile.in (gcc.o): Fix typos.
1269 (protize.o): Likewise.
1270 (unprotoize.o): Likewise.
1272 2001-02-11 Richard Henderson <rth@redhat.com>
1274 * tree.c (build1): Check for null operand in last change.
1276 2001-02-11 Richard Henderson <rth@redhat.com>
1278 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1279 (fold): Don't assume a constant isn't foldable.
1280 * tree.c (build): Set TREE_CONSTANT for an expression with no
1281 side-effects and constant operands.
1284 2001-02-10 Richard Henderson <rth@redhat.com>
1286 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1288 2001-02-10 Anthony Green <green@redhat.com>
1290 * cpp.texi (Standard Predefined): Add documentation for
1293 * c-common.c (combine_strings): Improve warning message.
1295 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1297 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1299 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1301 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1303 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1306 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1308 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1311 2001-02-09 Nick Clifton <nickc@redhat.com>
1313 * config/arm/arm.md: Change output contraint on post inc
1314 load/store multiple patterns to be a read/write contraint.
1316 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1318 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1319 .o files when using the -M options.
1321 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1322 David Edelsohn <edelsohn@gnu.org>
1324 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1325 handle DImode constants. Use one TOC entry for SImode and smaller
1326 constants, aligned properly.
1328 2001-02-08 Jason Merrill <jason@redhat.com>
1330 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1331 about the SP adjustment for saving the static chain pointer.
1332 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1333 offset when setting a temporary CFA register.
1335 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1337 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1338 powerpc-*-chorusos* .
1339 * config/rs6000/chorus.h : New file.
1340 * config/i386/chorus.h : New file.
1341 * config/sparc/chorus.h : New file.
1342 * config/sparc/t-chorus-elf : New file.
1344 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1346 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1347 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1348 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1349 (__WCHAR_TYPE__): Correct macro name.
1351 2001-02-08 Richard Henderson <rth@redhat.com>
1353 * config/i386/i386.c (ix86_frame_pointer_required): New.
1354 (ix86_setup_frame_addresses): New.
1355 (struct machine_funciton): Add accesses_prev_frame.
1356 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1357 ix86_frame_pointer_required.
1358 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1359 (SETUP_FRAME_ADDRESSES): New.
1360 * config/i386/i386-protos.h: Update.
1361 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1362 from FRAME_POINTER_REQUIRED.
1363 * config/i386/svr3gas.h: Likewise.
1364 * config/i386/sysv3.h: Likewise.
1365 * config/i386/v3gas.h: Likewise.
1367 2001-02-08 Richard Henderson <rth@redhat.com>
1369 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1370 calculation of the number of integer registers required.
1371 (function_arg_record_value): Likewise.
1373 2001-02-08 Jason Merrill <jason@redhat.com>
1375 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1376 two. Print file and line with "confused" message.
1378 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1380 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1382 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1384 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1386 * final.c (cleanup_subreg_operands): The address of a MEM can
1389 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1392 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1394 * gcc.texi (Incompatibilities): Update documentation of
1395 preprocessing numbers.
1397 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1399 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1401 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1403 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1405 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1406 * gcc.c (struct compiler): Add cpp_spec field.
1407 (input_file_compiler): New variable.
1408 (do_spec_1): Allow a particular compiler to handle `%C'
1410 (main): Store the current compiler in input_file_compiler.
1411 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1413 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1415 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1416 * cppinit.c (cpp_create_reader): Initialize them.
1417 (append_include_chain): cxx_aware arg might be unused.
1418 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1419 keywords and give them their phase 7 meaning. Pedwarn about
1420 this unless '__bool_true_false_are_defined' is defined.
1422 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1424 * lcm.c (optimize_mode_switching): Emit mode_set before the
1425 JUMP_INSN of an abnormal edge.
1427 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1429 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1430 a scheduling barrier at the end.
1432 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1434 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1436 * config/sh/sh.md (reload_outsf): Removed.
1437 (movsf_ie): Introduce constraints for FPUL loads and stores.
1438 (reload_insf): Broaden the output constraint.
1440 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1442 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1443 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1445 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1447 * final.c: Revert my previous changes.
1448 * output.h: Make profile_label_no extern.
1449 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1450 for generating label.
1452 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1454 * config/i386/djgpp.h: Add comments about standard paths.
1455 (MD_EXEC_PREFIX): Undefine before defining.
1456 (MD_STARTFILE_PREFIX): New.
1458 2001-01-30 Bruce Korb <bkorb@gnu.org>
1460 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1461 (load_file): do not rely on load_file_data() to close file pointer
1462 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1463 fixinc/inclhack.def(irix_limits_const): add test_text
1465 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1467 * cppexp.c (parse_defined): Improve diagnostics for invalid
1470 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1472 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1474 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1476 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1477 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1478 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1479 (rs6000_output_symbol_ref): New function.
1480 (output_toc): Use VTABLE_NAME_P.
1482 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1484 * print-tree.c (print_node, case PARM_DECL):
1485 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1487 * stor-layout.c (reference_types_internal): New variable.
1488 (internal_reference_types): New function.
1489 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1490 * tree.h (internal_reference_types): New declaration.
1492 * cse.c (find_best_addr): Fix typo in computing cost.
1494 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1496 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1497 and this is the sum of a pointer and a constant, we know the result
1499 (num_sign_bit_copies, case PLUS): Likewise.
1500 * explow.c (convert_memory_address): Remove opposite SUBREG.
1501 * function.c (instantiate_new_reg): New function (from common code).
1502 (instantiate_virtual_regs_1): Call it.
1503 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1504 if pointers sign- or zero-extend.
1505 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1506 If pointers extend unsigned, use inside of SUBREG.
1507 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1509 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1511 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1512 subdir of gcc_gxx_include_dir.
1513 (gcc_gxx_target_include_dir): Remove.
1515 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1517 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1518 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1519 a high-level description.
1521 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1523 * final.c: Move the declaration of profile_label_no to ...
1524 * output.h: ... here.
1525 * function.c (expand_function_start): Call PROFILE_HOOK.
1526 * config/rs6000/aix.h: Define PROFILE_HOOK.
1527 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1528 * config/rs6000/rs6000.c (output_profile_hook): Define.
1529 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1530 output_profile_hook.
1531 tm.texi : Explain new macro PROFILE_HOOK.
1533 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1535 * extend.texi (Extended Asm): Do not say that semicolon is always
1536 a valid line-breaking character for GNU assemblers. Use
1537 newline-tab as the most commonly supported syntax. Use
1538 newline-tab rather than semicolon in multi-insn examples.
1540 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1542 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1544 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1545 David Edelsohn <edelsohn@gnu.org>
1547 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1548 code for AIX, even without flag_pic.
1550 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1552 * c-typeck.c (common_type): push and pop binding level around
1553 calling common_type on function parameters.
1555 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1557 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1559 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1561 * config/mips/mips.c (override_options): Fix typo in last change.
1562 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1563 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1565 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1567 * invoke.texi (-fdump-class-layout): Document.
1568 (-fdump-translation-unit): Use `=' as filename separator.
1570 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1572 * Makefile.in (s-mlib): Don't build multilibs if
1574 (DRIVER_DEFINES): Adjust accordingly.
1576 (protoize.o): Likewise.
1577 (unprotoize.o): Likewise.
1578 * configure.in: Recognize --enable-multilib.
1580 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1582 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1584 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1585 * configure.in: Remove --enable-libstdcxx_v3 support.
1586 * configure: Regenerated.
1588 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1590 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1591 Call abort instead of fatal.
1592 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1593 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1594 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1595 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1596 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1597 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1599 * diagnostic.h (set_internal_error_function): Renamed.
1600 * toplev.h (internal_error): Renamed from fatal.
1601 (pfatal_with_name): Deleted.
1602 (fatal_io_error): Now has printf-style arguments.
1603 * diagnostic.c (pfatal_with_name): Deleted.
1604 (fatal_io_error): Rework to have args in printf-style.
1605 (set_internal_error_function): Renamed from set_fatal_function.
1606 (internal_error): Renamed from fatal.
1607 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1608 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1609 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1610 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1611 * flow.c (verify_flow_info): Likewise.
1612 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1613 * config/mips/mips.c (save_restore_insns): Likewise.
1615 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1616 * flow.c (verify_flow_info): Likewise.
1617 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1618 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1619 (avr_normalize_condition): Likewise.
1620 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1621 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1622 (limit_reload_class, double_reg_to_memory): Likewise.
1623 (print_operand_address, emit_1600_code_shift): Likewise.
1624 (gen_tst_reg, gen_compare_reg): Likewise.
1625 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1626 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1628 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1630 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1631 * objc/objc-act.c (build_ivar_chain): Likewise.
1632 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1634 * graph.c (clean_graph_dump_file): Likewise.
1635 * profile.c (init_branch_prob): Likewise.
1636 * objc/objc-act.c (objc_init): Likewise.
1638 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1639 * config/avr/avr.c (avr_override_options): Likewise.
1640 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1641 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1642 * config/h8300/h8300.c (h8300_init_once): Likewise.
1643 * config/mips/mips.c (override_options): Likewise.
1644 * config/i386/i386.c (override_options): Likewise, rework.
1645 * config/m68k/m68k.c (override_options): Likewise.
1647 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1649 * config/mips/mips.c (print_operand): Likewise.
1650 * hash.c (hash_allocate): Don't check for failure returns from
1651 obstack functions that can't fail.
1652 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1653 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1654 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1655 (get_object_reference): Likewise.
1657 2001-02-04 Nick Clifton <nickc@redhat.com>
1659 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1660 StrongARM1110, 10TDMI, and 1020T.
1662 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1664 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1666 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1668 * config/sh/sh.md (movdf load split): Pass register number to
1669 FP_OR_XD_REGISTER_P.
1671 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1673 * cppinit.c (BC): New macro.
1674 (builtin_array): Add __GXX_WEAK__.
1675 * cpplib.h (builtin_type): Add BT_WEAK.
1676 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1677 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1678 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1680 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1682 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1684 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1686 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1687 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1689 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1691 * cpphash.h: Rename ALIGN _ALIGN.
1692 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1694 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1696 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1697 compilation environment.
1698 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1699 control over location of cygwin includes and libs.
1701 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1703 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1705 2001-02-02 lars brinkhoff <lars@nocrew.org>
1707 * md.texi (Standard Names): remove reference to spur.md.
1709 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1711 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1712 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1713 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1714 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1715 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1717 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1719 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1720 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1721 number before reload.
1722 (c4x_adjust_cost): Return zero before reload.
1723 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1724 split before reload.
1726 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1728 * c4x.c (c4x_hard_regno_rename_ok): New.
1729 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1730 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1732 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1734 * diagnostic.h: Add missing "extern" in all declarations.
1736 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1738 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1739 as for gcc_gxx_include_dir.
1741 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1743 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1745 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1747 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1748 label before alignment to be used as the braf base address.
1749 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1751 (casesi_jump_2): Require at least TARGET_SH2.
1753 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1754 truncation to 32-bit doubles on -m3e and -m4-single-only.
1756 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1758 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1759 the default when building a shared object.
1760 (init_spec): Use it.
1761 * testsuite/lib/g++.exp: Include the directory where libgcc
1762 is located to the LD_LIBRARY_PATH list.
1763 * invoke.texi (-shared-libgcc): Document the cases in which
1764 GCC defaults to using the shared libgcc.
1766 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1768 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1769 unsigned is wide enough.
1771 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1772 (si_to_float): Likewise.
1773 (float_to_si, float_to_usi): Use BITS_PER_SI.
1775 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1777 * dwarf2out.c: Added explanation of abbreviations.
1778 (def_cfa_1): Added comments listing DWARF2 instructions.
1779 (cfa_temp_reg): Removed in favor of cfa_temp.
1780 (cfa_temp_value): Removed in favor of cfa_temp.
1781 (cfa_temp): New global variable.
1782 (dwarf2out_frame_debug_expr): Added extensive introductory
1783 comments explaining the function's transformations. Revised to
1784 use cfa_temp. Added some rtx checking. Generalize IOR case.
1785 (dwarf2out_frame_debug): Revised to use cfa_temp.
1786 (output_aranges): Cast as "unsigned" to avoid warning.
1787 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1788 explain which instructions must be marked.
1790 2001-02-01 Richard Henderson <rth@redhat.com>
1792 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1795 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1797 * config/sh/crt1.asm (main_k): Modified so that start calls
1798 ___setup_argv_and_call_main.
1800 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1802 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1803 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1804 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1805 * cppmacro.c (builtin_macro): Set builtin flags here.
1806 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1807 (replace_args): Clarify intent.
1808 (cpp_get_token): Macro expansion tokens get the saved flags.
1810 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1813 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1815 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1818 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1820 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1821 returns Pmode pseudo, but we need ptr_mode.
1822 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1823 Remove bogus conversions; use HOST_WIDE_INT for size.
1824 Don't use TARGET if wrong mode.
1826 * config/i386/i386.c (ix86_compute_frame_size): Allow
1827 stack_alignment_needed to be non-default even if size is zero.
1829 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1831 * (hppa_init_pic_save): Emit the pic offset table
1832 reg save after last_parm_insn.
1833 * pa.c (hppa_init_pic_save): New function.
1834 * pa.h (hppa_init_pic_save): Declare.
1835 * pa.md (call, call_value, sibcall, sibcall_value): Use
1836 the above instead of duplicated code.
1838 * pa.c (hppa_encode_label): Correct size of alloca buffer
1839 so we don't overrun it. Correct leading `*' case.
1840 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1841 need to handle `*@'.
1842 (FUNCTION_NAME_P): Likewise.
1844 2001-01-31 Richard Henderson <rth@redhat.com>
1846 * config.gcc (alpha-osf5): Use float-i128.h.
1848 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1849 * config/float-i32.h: Likewise.
1850 * config/float-i64.h: Likewise.
1851 * config/float-sh.h: Likewise.
1852 * config/float-sparc.h: Likewise.
1854 2001-01-31 DJ Delorie <dj@redhat.com>
1856 * expmed.c (extract_bit_field): allow non-integral modes if we
1857 want to extract a whole register from itself.
1859 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1861 * c-typeck.c (set_init_index): If first is equal to last, assume as
1862 if it was not a range at all.
1864 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1866 * config/fp-bit.c: Include tm.h.
1867 (float_to_si): Don't assume SImode is 32-bits wide.
1868 (float_to_usi): Likewise.
1870 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1872 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1874 (typename): Call pending_xref_error after parsing typed_typespecs.
1875 * c-decl.c (lookup_tag): Give error immediately rather than
1876 leaving it pending if the tag of the wrong type is in the same
1878 (xref_tag): Don't pedwarn for forward declarations of enum types
1880 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1883 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1885 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1887 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1889 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1890 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1892 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1894 * cpphash.h (struct cpp_reader): New saved_flags.
1895 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1896 to avoid a paste after a pasted token.
1898 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1900 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1901 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1902 Wtype_MIN instead of LONG_MIN.
1904 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1906 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1908 * fixinc/fixincl.x: Regenerated.
1909 * fixinc/inclhack.def (irix_limits_const): New definition to
1910 convert "const" to "__const" in limits.h.
1912 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1914 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1916 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1918 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1919 when register dies in the insn.
1921 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1923 * diagnostic.c (fatal): Fix word wrap.
1925 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1927 * combine.c (try_combine): Fix SUBREG setting for
1928 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1930 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1932 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1935 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1937 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1939 * toplev.c (decode_W_option): Update warn_larger_than
1940 unconditionally for each processed switch.
1942 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1944 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1946 (hppa_expand_prologue): Delete code to save pic offset table register
1947 in the function prologue.
1948 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1949 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1950 table register at the beginning of the function after the prologue.
1952 2001-01-29 lars brinkhoff <lars@nocrew.org>
1954 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1956 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1957 Jeff Law <law@redhat.com>
1959 * pa.md (return): Revise comment for trivial return.
1960 (return_internal): Non-trivial return pattern for non-PIC code.
1961 (return_internal_pic): Non-trivial return pattern for PIC code.
1962 It uses the PIC register to ensure it is restored after
1964 (epilogue): Generate appropriate return for PIC and non-PIC code.
1966 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1968 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1970 2001-01-29 DJ Delorie <dj@redhat.com>
1972 * combine.c (if_then_else_cond): Pass the correct mode to
1973 operand_subword() for constants.
1975 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1977 * config/i386/cygwin.h: Add w32api to include search. Search different
1978 directories in a cross-build environment.
1980 2001-11-29 Tim Josling <tej@melbpc.org.au>
1982 * tree.h (TYPE_STUB_DECL): Add documentation.
1984 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1986 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1987 (sdbout_field_types): Likwise. Fix use of host_integerp.
1989 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1991 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1994 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1996 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1997 to use flag_gnu_linker.
1999 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2001 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2002 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2004 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2006 * tree.c, tree.h (build_parse_node): Remove; was identical to
2008 * c-lang.c (start_cdtor), objc/objc-act.c
2009 (build_module_descriptor): Use build_nt instead of
2012 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2014 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2015 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2016 not have any upper bits set.
2018 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2020 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2022 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2026 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2028 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2029 (integer_minus_one_node): Define.
2031 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2033 * Makefile.in (bootstrap2-lean): Fix typo.
2035 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2037 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2038 : Don't set fe_value.
2039 * cpplib.h (AVOID_LPASTE): New flag.
2040 (struct cpp_hashnode): Remove fe_value.
2041 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2042 * cppmacro.c (builtin_macro): Don't set flags here.
2043 (replace_args): Set AVOID_LPASTE flag on first token of an
2044 argument, and the token following it.
2045 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2046 macro expansion, and on the token following it. Do it for
2048 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2050 2001-01-27 Richard Henderson <rth@redhat.com>
2052 * config/alpha/t-ieee: Remove multilibbing.
2053 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2055 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2057 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2059 * Makefile.in: Remove all dependencies on defaults.h.
2060 * builtins.c: Don't include defaults.h.
2061 * c-common.c: Likewise.
2062 * c-decl.c: Likewise.
2063 * c-pragma.c: Likewise.
2064 * c-typeck.c: Likewise.
2065 * combine.c: Likewise.
2067 * frame-ia64.c: Likewise.
2068 * cppexp.c: Likewise.
2069 * crtstuff.c: Likewise.
2070 * dbxout.c: Likewise.
2071 * dwarf2out.c: Likewise.
2072 * dwarfout.c: Likewise.
2073 * emit-rtl.c: Likewise.
2074 * except.c: Likewise.
2076 * final.c: Likewise.
2077 * frame-dwarf2.c: Likewise.
2078 * libgcc2.c: Likewise.
2079 * optabs.c: Likewise.
2080 * profile.c: Likewise.
2081 * sdbout.c: Likewise.
2082 * toplev.c: Likewise.
2083 * tradcif.y: Likewise.
2085 * varasm.c: Likewise.
2087 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2089 * builtins.c (expand_builtin_fputs): Use size_one_node when
2090 transforming into fwrite.
2092 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2094 * extend.texi (Attribute Syntax): New section.
2096 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2098 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2099 they didn't need fixing.
2101 2001-01-27 Janis Johnson <janis@us.ibm.com>
2103 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2105 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2106 to remove macro definitions that are duplicated from elfos.h.
2108 2001-01-27 Richard Henderson <rth@redhat.com>
2110 * config/i386/sco5gas.h: Move ...
2111 * config/usegas.h: ... here.
2112 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2114 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2116 * c-typeck.c (struct constructor_stack): Add range_stack member.
2117 (really_start_incremental_init): Clear it.
2118 (push_init_level): Save constructor_range_stack and clear it if
2119 pushing explicit braces.
2120 (pop_init_level): abort if constructor_range_stack is non-zero at
2121 explicit closing brace. Restore saved constructor_range_stack if
2124 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2126 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2127 into register was forced into memory.
2129 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2131 * Makefile.in: Remove uses of + before $(MAKE).
2133 2001-01-26 Richard Henderson <rth@redhat.com>
2135 * stmt.c (cost_table): Remove.
2136 (COST_TABLE, cost_table_initialized): New.
2137 (estimate_case_costs): Use the later instead of the former.
2138 (balance_case_nodes): Likewise.
2140 2001-01-26 Richard Henderson <rth@redhat.com>
2142 * alias.c (objects_must_conflict_p): Read-only slots may not
2143 conflict despite having the same type.
2145 2001-01-27 Michael Hayes <mhayes@redhat.com>
2147 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2149 (check_ext_dependant_givs): Initialise u_start_val and
2151 (load_mems): Make last_max_reg unsigned.
2152 (try_swap_copy_prop): Use INSN_P and initialise set.
2154 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2156 * README.AVR : Removed.
2158 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2160 * pa-64.h (text_section): Remove declaration.
2162 * pa.md (return_internal): Remove mode on PIC register use.
2164 2001-01-25 lars brinkhoff <lars@nocrew.org>
2166 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2167 ASM_CLOSE_PAREN): fix typos.
2169 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2171 * acconfig.h: Define `const' to the empty string if neither
2172 __STDC__ nor __cplusplus is defined.
2173 * config.in: Regenerated.
2175 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2177 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2178 * collect2.c (main): Delete importf. Add ".obj" file extension.
2179 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2180 (aix_std_libs): Add additional AIX libraries to skip.
2181 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2182 * config/rs6000/aix51.h: New file.
2184 2001-01-25 Michael Hayes <mhayes@redhat.com>
2186 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2187 (loop_insn_emit_before): No longer static.
2188 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2189 (loop_givs_rescan, load_mems): Likewise.
2190 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2191 (maybe_eliminate_biv_1):
2192 (move_movables): Replace emit_call_insn_before with
2193 loop_call_insn_hoist.
2194 * loop.h (loop_insn_emit_before): Add.
2195 * unroll.c (copy_loop_body): Replace emit_insn_before with
2196 loop_insn_emit_before.
2198 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2200 * diagnostic.c (fatal): Request preprocessed source.
2202 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2204 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2205 olddecl has argument types and newdecl has none, use the argument
2208 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2210 * dwarf2out.c (prefix_of): New function. Determine longest common
2211 prefix of the two arguments. The units are whole path components.
2212 (output_file_names): When adding a new directory find the one entry
2213 with the longest common prefix already in the list. Artificially
2214 generate entry if there is none for this prefix.
2215 Fix test to check whether the zeroth directory entry is used.
2217 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2219 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2220 Changed all callers. Take it into account when deciding if a
2221 previously loaded value matches.
2223 2001-01-24 Richard Henderson <rth@redhat.com>
2225 * reload.c (find_reloads_subreg_address): Fail the substitution
2226 if the resulting address is insufficiently aligned.
2228 2001-01-24 DJ Delorie <dj@redhat.com>
2230 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2231 check the original operand's mode also.
2232 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2234 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2236 * c-parse.in (cast_expr): Move compound literals from here ...
2237 (primary): ... to here. Use standard terminology "compound
2238 literal" instead of "constructor expression".
2240 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2242 * gcc.1, cpp.1: Regenerate.
2244 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2246 * calls.c (emit_library_call_value_1): Memory slot for
2247 pass-by-reference argument should have the mode of the argument,
2248 not of the pointer to it.
2250 2001-01-24 Tom Tromey <tromey@redhat.com>
2252 * gcc.texi (G++ and GCC): Mention gcj manual.
2253 (Standards): Link to section of manual mentioning gcj/Java
2256 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2258 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2259 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2260 * tradcpp.c (main): Add -imacros or -include'd dependencies
2262 * cpp.texi (-M, -MM): Document -M -include behaviour.
2264 2001-01-24 Roger Collins <roger@ProProject.com>
2266 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2268 2001-01-24 Will Cohen <wcohen@redhat.com>
2270 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2271 whether registers are 32 bits or 64 bits in size.
2273 2001-01-24 Ben Elliston <bje@redhat.com>
2275 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2277 2001-01-24 Richard Henderson <rth@redhat.com>
2279 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2280 (builtin_longjmp): Use it instead of emit_indirect_jump.
2282 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2284 * bb-reorder.c (make_reorder_chain_1): Handle case where
2285 jump edge goes to the same block as the fallthru edge.
2287 2001-01-23 Jim Wilson <wilson@redhat.com>
2289 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2290 * frame.h (__ia64_personality_v1): Add prototype.
2291 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2292 prototype form. Add void * cast to first argument to personality
2294 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2295 (asctoe113): Likewise.
2296 * config/ia64/frame-ia64.c: Include eh-common.h.
2297 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2299 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2301 (itanium_split_issue): Add prototype.
2302 (gen_nop_type): Ifdef out.
2303 (find_best_packet): Initialize best_packet.
2304 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2306 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2307 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2308 (flushrs): Add explicit stop bit at end.
2309 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2312 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2314 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2316 * libgcc2.c (__terminate_func): Make variable static.
2317 (__terminate_set_func): New function to set __terminate_func.
2318 * libgcc2.h (__terminate_func_ptr): New typedef.
2319 (__terminate_set_func): New function.
2321 2001-01-23 Richard Henderson <rth@redhat.com>
2323 * flow.c (init_propagate_block_info): Don't consider unchanging
2324 memories for dead frame store elimination.
2326 2001-01-23 Richard Henderson <rth@redhat.com>
2328 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2329 * defaults.h: ... here.
2331 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2333 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2335 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2337 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2339 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2341 * rs6000.h (rs6000_return_addr): Move prototype from here...
2342 * rs6000-protos.h (rs6000_return_addr): ...to here.
2343 (rs6000_init_expanders): Delete prototype.
2345 2001-01-23 Nick Clifton <nickc@redhat.com>
2347 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2348 (Spec Files): Document %B and %j and %. and %v3 and %M and
2349 %{S*&T} spec switches.
2351 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2353 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2355 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2356 Neil Booth <neil@daikokuya.demon.co.uk>
2358 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2359 Have -Werror make pedantic warnings errors, like the
2362 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2364 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2366 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2368 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2369 * integrate.c (expand_inline_function): Initialize them.
2370 (subst_constants): If changing COMPARE so that both its arguments
2371 will be VOIDmode and the comparison mode will be lost, note
2372 compare_mode. Use the recorded compare_mode to optimize
2375 2001-01-23 Jason Merrill <jason@redhat.com>
2377 * dwarf2out.c (new_die): Use xcalloc.
2378 (output_die): Abort rather than emit a local reference to offset 0.
2380 2001-01-17 Andrew Haley <aph@redhat.com>
2382 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2383 of a saved register; return NULL instead.
2384 (copy_reg): Take a pointer to a source register rather than a
2386 (next_stack_level): Remember the address in the stack frame of all
2388 Use the saved register pointer array as the source of the CFA.
2389 (throw_helper): Rewrite. Unwind once rather than twice and keep
2390 track of saved registers as we go.
2392 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2394 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2395 * c4x.c (c4x_legitimize_reload_address): Remove.
2396 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2397 reload address for ldp(k) insn.
2399 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2401 * pa.md (return_internal): Add a USE of the PIC register to ensure
2402 it is restored after each call.
2403 (return expander): Corresponding changes.
2405 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2407 * rs6000.h (INIT_EXPANDERS): Delete.
2408 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2409 * rs6000.c (rs6000_override_options): Call *_machine_status from
2411 (rs6000_init_expanders): ...instead of here. Delete.
2412 (rs6000_mark_machine_status): New function.
2413 (rs6000_init_machine_status): Use xcalloc.
2414 (rs6000_return_addr): Generate RTX for the return address.
2415 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2416 (rs6000_stack_info): Use it.
2418 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2420 * gthr-win32.h: Include errno.h to get a declaration for
2421 EINVAL and _mingw.h if the target is mingw32.
2423 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2425 * cpp.texi: Correct typos.
2427 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2429 * explow.c (probe_stack_range): Ensure value passed to
2430 stack_check_libfunc is ptr_mode, not Pmode.
2432 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2434 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2435 case, don't use operand_subword to calculate a SUBREG that is
2438 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2440 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2442 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2443 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2444 valid. If not replace it by equivalent insns.
2446 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2448 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2449 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2450 (c4x_U_constraint, symbolic_address_operand): Likewise.
2451 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2453 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2454 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2455 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2456 anulling slot because of silicon bug.
2457 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2459 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2461 * cppexp.c (parse_charconst): Change `mask' type to agree
2464 2001-01-21 Richard Henderson <rth@redhat.com>
2466 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2467 pic_label_name in a linkonce section.
2469 2001-01-17 Philipp Thomas <pthomas@suse.de>
2471 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2473 * configure: Regenerate.
2475 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2477 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2478 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2480 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2482 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2483 If REVERSE nonzero then condition code in X must be reversed.
2484 (encode_section_info): Optimise if/else.
2485 (avr_function_value): Fix formatting.
2487 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2488 (difficult_branch): Likewise.
2489 (rvbranch): Likewise.
2490 (difficult_rvbranch): Likewise.
2492 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2494 * config/avr/libgcc.S: Fix comment.
2496 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2498 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2500 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2502 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2504 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2506 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2507 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2508 * configure, config.in: Regenerate.
2509 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2510 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2511 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2512 (doprint.o): New rule.
2514 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2516 * c-typeck.c (digest_init): Handle boolean types as scalars.
2518 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2520 * stmt.c (expand_return): Don't return anything if size is zero.
2521 Delete redundant assignment to BYTES.
2522 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2524 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2526 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2527 the same as the default library function names.
2528 * config/avr/avr.md: Document special characters after '%'.
2529 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2530 knowing which of the call-used registers are really clobbered.
2531 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2532 New. Both quotient and remainder from one libgcc.S call.
2533 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2534 clobber as few registers as possible.
2535 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2537 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2539 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2540 context of the top of the stack.
2542 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2544 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2545 (fixup_var_refs_insns): ...here.
2547 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2549 * function.c (fixup_var_refs_insns): Break up into
2550 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2551 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2552 [loop over hash table entries].
2553 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2554 fixup_var_refs_insns_with_hash, to match above changes.
2556 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2558 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2559 (libgcc.a): Likewise.
2560 (stmp-multilib): Likewise.
2561 (STAGE2_FLAGS_TO_PASS): Likewise.
2563 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2565 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2566 temporary if no_new_pseudos.
2568 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2570 * cppinternals.texi: Update.
2572 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2574 * arm.c (arm_init_builtins): Re-enable builtins.
2576 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2578 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2579 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2580 element to be null, and always expect an EXPR_LIST.
2581 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2582 * sched-deps.c (sched_analyze_1): Likewise.
2583 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2585 * regclass.c (max_set_parallel): New variable.
2586 (reg_scan): Take it into account in computation of max_parallel.
2587 (reg_scan_mark_refs, case SET): Compute it.
2589 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2591 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2592 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2594 2001-01-19 Jason Merrill <jason@redhat.com>
2596 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2597 for the abstract instance of an inline function.
2599 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2600 J"orn Rennecke <amylaar@redhat.com>
2602 * reload1.c (move2add_note_store): Treat all registers directly or
2603 indirectly derived from a base register as members of the same set
2605 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2606 of base register into account.
2608 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2610 * alias.c (find_base_value): Recognize TRUNCATE.
2611 (record_set): In PLUS case, invalidate if other summand is also a
2614 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2616 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2617 entry to be EXPR_LIST.
2618 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2619 be an EXPR_LIST (but not null, which other code doesn't allow).
2620 (note_stores): Properly handle PARALLEL in SET.
2621 Recursively call for top-level PARALLEL.
2622 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2623 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2625 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2627 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2629 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2630 not pfile->skipping (== 0).
2632 2001-01-17 Nick Clifton <nickc@redhat.com>
2634 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2637 2001-01-17 Jim Wilson <wilson@redhat.com>
2639 * invoke.texi (IA-64 options): Improve.
2641 2001-01-17 Tom Tromey <tromey@redhat.com>
2643 * invoke.texi (Optimize Options): Use `{}' to around @samp
2646 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2648 * invoke.texi (-fno-guess-branch-probability): New option.
2650 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2652 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2653 case of making new double-word constant.
2654 Revert last change: instead just test i3_subst_into_i2.
2656 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2658 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2659 Use q constraints instead of r.
2661 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2663 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2664 (machine_function): Define.
2665 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2666 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2667 pa_free_machine_status): New functions.
2668 (override_options): Set {init,mark,free}_machine_status to above.
2669 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2670 PIC_OFFSET_TABLE_REGNUM_SAVED.
2671 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2672 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2673 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2674 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2675 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2677 2001-01-15 DJ Delorie <dj@redhat.com>
2679 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2683 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2685 * flow.c (propagate_on_insn): Make trying to delete a prologue
2686 or epilogue insn an ICE, not a warning. Allow doing this if
2687 the current function returns with stack pointer depressed.
2689 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2690 I3 having more than one SET.
2692 2001-01-16 Jim Wilson <wilson@redhat.com>
2694 * invoke.texi: Document IA-64 options.
2696 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2697 (fixup_errata): Delete TARGET_A_STEP use.
2698 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2699 (TARGET_SWITCHES): Delete -ma-step option.
2700 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2701 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2702 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2703 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2704 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2705 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2707 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2708 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2709 cmovsi_internal): Delete ! TARGET_A_STEP check.
2711 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2713 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2714 possibility to report bugs via postal mail. Change a URL and
2715 merge in a nearly duplicate statement...
2716 (Bug Reporting): ...from here.
2717 (Service): Refer to the Bug Reporting section instead of
2719 (Contributing): Remove trivial explanations concerning snapshots.
2721 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2723 * cppmain.c (general_init): Don't use ANSI prototype.
2725 2001-01-16 Tom Tromey <tromey@redhat.com>
2727 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2729 2001-01-16 Richard Henderson <rth@redhat.com>
2731 * config/i386/i386.h: Fix comment typo.
2732 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2733 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2735 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2737 * gcc.c: Revert previous -fsyntax-only-related change; move
2740 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2742 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2743 inmode after checking GET_CODE (op).
2745 2001-01-16 Richard Henderson <rth@redhat.com>
2747 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2748 (MAX_MEM_SET_LIST_LEN): New.
2749 (propagate_one_insn): Update mem_set_list_len.
2750 (invalidate_mems_from_autoinc): Likewise.
2751 (invalidate_mems_from_set): Likewise.
2752 (mark_used_regs): Likewise.
2753 (init_propagate_block_info): Likewise. Stop collecting memories
2754 when we reach MAX_MEM_SET_LIST_LEN.
2755 (mark_set_1): Likewise.
2757 2001-01-16 Richard Henderson <rth@redhat.com>
2759 * unroll.c (precondition_loop_p): Fail if no iteration
2762 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2764 * gcc.c: When -fsyntax-only is given, do not complain about
2767 2001-01-15 Richard Henderson <rth@redhat.com>
2769 * config/i386/i386.c (asm_output_function_prefix): Remove.
2770 (ix86_asm_file_end): New.
2771 (load_pic_register): Generate pic_label_name into a
2772 staticly allocated buffer.
2773 * config/i386/i386-protos.h: Update.
2774 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2775 (ASM_FILE_END): New.
2776 * config/i386/i386afe.h: New file.
2777 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2778 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2779 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2780 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2781 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2782 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2783 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2785 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2787 * Makefile.in (install-man): Remove explicit dependency on
2790 * configure.in, configure: Revert previous patch requiring perl
2793 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2795 * toplev.c (flag_guess_branch_prob): New.
2796 (f_options): Add guess-branch-probability option.
2797 (rest_of_decl_compilation): Only estimate branch probability if
2799 (main): set flag_guess_branch_prob.
2801 * flags.h (flag_guess_branch_prob): New.
2803 2001-01-15 DJ Delorie <dj@redhat.com>
2805 * gcc.texi (Makefile): Add documentation for Makefile targets.
2807 2001-01-15 Philip Blundell <philb@gnu.org>
2809 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2811 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2812 (is_pic): Delete declaration.
2813 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2814 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2815 * config/arm/arm.md (builtin_setjmp_receiver): New.
2817 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2819 * arm.c (use_return_insn): Don't try to determine the function type
2820 until after reload has completed.
2821 (arm_output_epilogue): Don't adjust the sp value recovered from the
2823 (emit_multi_reg_push): Don't record dwarf information for the pc.
2824 * arm.md (eh_epilogue): The function type may have changed, so it
2825 needs to be recalculated.
2826 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2827 unwind tables on arm/netbsd.
2829 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2831 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2832 (negated_cbranchsi4): Likewise.
2834 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2836 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2837 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2838 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2839 pass -mapcs-* options to assembler.
2840 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2841 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2842 (ASM_SPEC): Call subtarget_extra_asm_spec.
2844 2001-01-15 Andreas Jaeger <aj@suse.de>
2846 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2848 (ix86_expand_builtin): Likewise.
2850 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2851 warning about comparison between signed and unsigned.
2853 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2855 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2857 2001-01-14 Ralf Baechle <ralf@gnu.org>
2859 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2860 SUBTARGET_CPP_SPEC apropriatly.
2862 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2864 * varasm.c (make_decl_rtl): Fix typo in last change.
2866 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2868 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2869 linker supports the init_priority C++ attribute.
2870 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2871 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2872 linker does not support init_priority C++ attribute.
2874 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2876 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2878 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2880 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2881 * cp/lex.c (finish_parse): Similarly.
2882 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2883 Return the number of errors encountered.
2884 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2885 * cppmain.c (main): Don't call cpp_destroy.
2887 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2889 * configure.in: Require at least perl 5.6.0 to regenerate
2891 * configure: Regenerate.
2893 2001-01-14 Richard Henderson <rth@redhat.com>
2895 * genrecog.c (DT_veclen_ge): New.
2896 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2897 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2898 (nodes_identical_1): Handle DT_veclen_ge.
2899 (write_cond, debug_decision_2): Likewise.
2901 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2903 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2905 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2907 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2909 * cppmain.c (do_preprocessing): New function; most of the old
2911 (main): Call it to do most of the work.
2912 (cb): Move from global scope to set_callbacks ().
2913 (setup_callbacks): Get the callback pointer.
2914 (general_init, printer_init): Clean up code and comments.
2916 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2918 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2921 2001-01-14 Kazu Hirata <kazu@hxi.com>
2923 * config/h8300/h8300.c (get_shift_alg): Update comments.
2925 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2927 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2928 (alloc_page, ggc_alloc): Add casts to remove warnings.
2930 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2932 * combine.c (simplify_comparison): Don't change `code' when
2933 can't reverse comparison.
2935 2001-01-14 Richard Henderson <rth@redhat.com>
2937 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2938 update all call sites. Return true for all non-label constants.
2940 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2942 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2944 (ix86_expand_branch): Update.
2945 (ix86_expand_setcc): Update to handle multiple test conditions.
2946 (expand_int_movcc): Likewise.
2947 (expand_fp_movcc): Likewise.
2948 * i386-protos.h (ix86_expand_compare): New.
2949 * i386.md (andqi_?_slp, orqi_?_slp): New.
2950 (conditional trap expander): Update call to ix86_expand_compare.
2952 2001-01-14 Richard Henderson <rth@redhat.com>
2954 * config/vax/vax.md: Use nonimmediate_operand instead of
2955 general_operand in destinations.
2957 * config/vax/vax.md (indirect_jump): Use register_operand.
2959 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2960 * config/vax/vax.md (call_pop): Turn into an expander.
2961 (call_value_pop): Likewise.
2962 (call, call_value): New.
2964 2001-01-14 Andreas Jaeger <aj@suse.de>
2966 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2968 (ix86_fp_compare_mode): Add unused attribute.
2969 (ix86_expand_fp_movcc): Remove unused variable.
2970 (ix86_expand_builtin): Make fcode unsigned.
2972 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2973 (expand_expr): Add cast to avoid signed warning.
2974 (store_field): Likewise.
2975 (store_constructor_field): Likewise.
2976 (store_constructor): Likewise.
2977 (store_expr): Likewise.
2978 (clear_storage): Likewise.
2979 (emit_group_store): Likewise.
2980 (emit_group_load): Likewise.
2982 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2984 * c-common.c: Move format checking code to ...
2985 * c-format.c: ... here. New file. Reorder some functions and
2987 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2989 * c-common.h (decl_handle_format_attribute,
2990 decl_handle_format_arg_attribute): Declare.
2991 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2992 (c-common.o): Adjust dependencies.
2993 (c-format.o): New list of dependencies.
2995 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2997 * unroll.c (loop_iterations): If we cannot prove iteration variable
2998 is set once in each iteration, punt.
3000 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3002 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3003 (*strlenhi): Remove clobber (which was buggy) of output address.
3005 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3007 * Makefile.in (generated-manpages): Add gcc.1
3008 ($(srcdir)/gcc.1): New target.
3009 (maintainer-clean): Delete $(srcdir)/gcc.1.
3010 * gcc.texi: Add macros @gccoptlist and @gol.
3011 * invoke.texi: Include option summary in manpage. Mark up option
3012 summary with @gccoptlist and @gol. Use @r in one place where
3014 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3015 * gcc.1: Generate from invoke.texi.
3017 2001-01-13 Richard Henderson <rth@redhat.com>
3019 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3020 (struct page_entry): Add group member.
3021 (struct page_group): New.
3022 (struct globals): Add page_groups member.
3023 (alloc_anon): Only define for using mmap; remove valloc call.
3024 (page_group_index): New.
3025 (set_page_group_in_use): New.
3026 (clear_page_group_in_use): New.
3027 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3028 (free_page, release_pages): Likewise.
3029 * configure.in (with-gc): Default to ggc-page always.
3031 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3033 * reload1.c (replace_pseudos_in_call_usage): Use
3034 reg_equiv_constant and reg_equiv_address, and don't try
3035 regno_reg_rtx first.
3037 2001-01-13 Richard Henderson <rth@redhat.com>
3039 * ggc-page.c (alloc_page): Round up allocation size to one page.
3040 Set e->order on extra pages.
3042 2001-01-13 Richard Henderson <rth@redhat.com>
3044 * genrecog.c (nodes_identical): Expand commentary.
3045 (write_switch): Watch out for identical nodes.
3047 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3049 * cppfiles.c (_cpp_fake_include): New function.
3050 * cpphash.h (_cpp_fake_include): New.
3051 * cpplib.c (do_line): Call _cpp_fake_include when entering
3052 header files in preprocessed input.
3053 * cppmain.c (cb_pragma_implementation): Remove handling.
3054 (setup_callbacks): Don't register pragmas.
3056 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3058 * extend.texi: Udate for CPP.
3060 2001-01-13 Andreas Jaeger <aj@suse.de>
3062 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3064 * regmove.c: Add prototype for replace_in_call_usage.
3066 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3068 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3069 struct cpp_chunk, struct htab, struct toklist,
3070 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3071 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3072 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3073 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3074 (struct macro_args): Delete.
3075 * cpphash.h: See above.
3077 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3079 * cppmain.c (struct printer): Remove no_line_dirs.
3081 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3082 : Use options rather than CPP_OPTION.
3083 (setup_callbacks): Use cb rather than pfile->cb.
3084 (main): No need to check for a buffer. Use cpp_errors.
3085 (printer_init): Don't set no_line_dirs.
3086 (maybe_print_line): Use options not no_line_dirs.
3087 (cb_file_change): Don't call print_line if -P.
3089 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3091 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3093 * c-parse.in (finish_parse): Use cpp_errors.
3094 (__yylex): Use return value of cpp_pop_buffer.
3095 * cp/lex.c (finish_parse): Use cpp_errors.
3096 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3098 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3100 * README.AVR: URLs corrected.
3102 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3104 * c-decl.c (start_function): Don't warn if old prototype is builtin
3105 that's not in C's namespace.
3106 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3107 (_bb): Add prototype for ctime.
3108 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3110 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3112 * i386.c (ix86_fp_comparison_arithmetics_cost,
3113 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3114 ix86_fp_comparison_cost): New functions.
3115 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3116 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3117 two-branch sequences; make static.
3118 (ix86_use_fcomi_compare): Do decision according to the costs.
3119 (split_fp_branch): New.
3120 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3121 * i386-protos.h (ix86_expand_fp_compare): Remove
3122 (ix86_split_fp_branch): Declare.
3124 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3125 and ix86_comparison_operator.
3127 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3130 * i386.c (put_condition_code): Output properly the unordered/ordered
3131 compares in fp case.
3132 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3134 * tm.texi (REVERSE_CONDITION): Document.
3135 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3136 in -ffast-math mode.
3137 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3139 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3141 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3143 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3146 * config/sh/sh.c (mova_p): Fix test for mova_const.
3148 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3150 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3151 cpp_get_options rather than dereferencing pfile and using
3153 * scan-decls.c (scan_decls): Use return value of
3154 cpp_pop_buffer rather than CPP_BUFFER.
3156 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3158 * cppinit.c (cpp_handle_option): help_only is now part of the
3159 cpp_options structure.
3160 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3161 cpp_set_callbacks): New functions.
3162 * cpplib.h (cpp_callbacks): Break out as a named structure.
3163 (cpp_options): Move help_only here from cpp_reader.
3164 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3165 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3166 cpp_set_callbacks): New prototypes.
3167 * cppmain.c (main): Update for help_only.
3169 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3171 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3172 Also build and remove and install and uninstall c-tree.info and
3174 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3175 ($(srcdir)/cppinternals.info): New target.
3176 * c-tree.texi: Change file name used when makeinfo used without -o
3177 from ir.info to c-tree.info. Add info directory entry.
3178 * cppinternals.texi: Add info directory entry.
3179 * .cvsignore: Update.
3181 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3183 * c-typeck.c (store_init_value): Don't require constant initializer
3184 elements with -pedantic -std=c99.
3185 (digest_init): Change error about non-constant initializer elements
3187 (constructor_range_end): Remove.
3188 (constructor_incremental, designator_depth,
3189 designator_errorneous): New variables.
3190 (struct constructor_stack): Remove range_end, add incremental.
3191 (struct constructor_range_stack, constructor_range_stack): New.
3192 (struct initializer_stack): Add constructor_range_stack.
3193 (finish_init): Set it.
3194 (start_init): Likewise. require_constant_elements for non-static
3195 trees only if not flag_isoc99.
3196 (really_start_incremental_init): Remove constructor_range_end, add
3197 constructor_incremental.
3198 (pop_init_level): Likewise.
3199 (push_init_level): Likewise. If implicit and the subobject had some
3200 value set already, preinitialize the level with it.
3201 Warn about missing braces only if not pushing due to designators.
3202 (set_designator, push_range_stack): New functions.
3203 (set_init_label): Use them.
3204 (set_init_index): Likewise. Remove constructor_range_end.
3205 Error if designator index is outside of array bounds.
3206 (add_pending_init): Compare values of purpose index trees, not the
3207 trees themselves. Allow overwriting of already initialized element.
3208 Issue a warning if it had side-effects.
3209 (set_nonincremental_init, set_nonincremental_init_from_string): New
3211 (pending_init_member): Rename to...
3212 (find_init_member): ...this function. Call set_nonincremental_init
3213 if necessary. Compare values of purpose index trees, not the trees
3214 themselves. Return the actual value, not just non-zero if something
3216 (output_init_element): Remove checks for duplicates.
3217 If field has zero size, only check the initializer for correctness.
3218 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3219 if constructor_incremental is zero. Change error about initializers
3220 not computable at load time into pedwarn.
3221 (output_pending_init_elements): Compare bit positions, not
3222 FIELD_DECLs to take into account zero-sized fields.
3223 (process_init_element): Use constructor_range_stack to fill all
3224 ranges in the designator lists from current level up.
3225 * extend.texi: Update documentation for labeled elements.
3227 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3229 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3230 to function usage for arguments passed by reference. Optimize
3231 callee-copied arguments.
3232 * regmove.c (replace_in_call_usage): New function.
3233 (fixup_match_1): Call it.
3234 * cse.c (cse_insn): Canonicalize registers in function usage.
3235 * reload1.c (replace_pseudos_in_call_usage): New function.
3238 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3241 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3243 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3246 2001-01-12 DJ Delorie <dj@redhat.com>
3248 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3249 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3252 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3254 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3255 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3256 -std options alongside references to -ansi. Update some
3257 documentation for C99.
3258 * cpp.1: Regenerate.
3260 2001-01-12 Andreas Jaeger <aj@suse.de>
3262 * haifa-sched.c (restore_line_notes): Remove argument block B
3264 * sched-ebb.c (schedule_ebb): Change caller.
3265 * sched-rgn.c (schedule_region): Likewise.
3266 * sched-int.h (restore_line_notes): Adjust prototype.
3268 * loop.h: Remove wrong declaration of doloop_condition_get.
3270 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3272 * extend.texi: Move C++-extension-related node from the C section
3273 into the C++ section.
3275 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3277 * extend.texi: Refer to an array of pointers to functions instead
3278 of one of functions.
3280 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3281 Jan Hubicka <jh@suse.cz>
3283 * combine.c (reversed_comparison): Fix typo in last patch.
3285 (combine_reversed_comparison_code): Make static to follow
3286 prototype declaration.
3288 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3290 * install.texi: Remove misplaced duplicate entry.
3292 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3294 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3296 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3298 * final.c: (leaf_function_p): Fix typo.
3300 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3302 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3303 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3305 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3306 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3307 mmap_anon, and valloc is available.
3308 * ggc-page.c: Restructure ifdef logic to match new autoconf
3309 spec. Don't throw away the test page in init_ggc.
3311 * configure, config.in: Regenerate.
3313 2001-01-12 Michael Hayes <mhayes@redhat.com>
3315 * loop.h (total_biv_increment): Constify iv_class pointer.
3316 (struct induction): Replace `mem_mode' with `mem' rtx.
3317 * unroll.c (total_biv_increment): Constify iv_class pointer.
3318 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3319 (find_mem_givs, combine_givs_p): Likewise.
3320 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3322 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3324 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3326 (__gthread_getspecific): Ditto.
3328 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3330 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3331 put_condition_code): Convert fp comparison codes to integer
3333 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3336 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3337 * i386-protos.h (no_comparison_operator): Kill.
3339 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3341 * combine.c (REVERSIBLE_CC_MODE): Remove.
3342 (reversible_comparison_p): Remove.
3343 (combine_reversed_comparison_code): New.
3344 (reversed_comparison): New.
3345 (combine_simplify_rtx): Use
3346 combine_reversed_comparison_code/reversed_comparison instead
3347 of reversible_comparison_p.
3348 (simplify_if_then_else): Likewise.
3349 (simplify_set): Likewise.
3350 (simplify_logical): Likewise.
3351 (if_then_else_cond): Likewise.
3352 (known_cond): Likewise.
3353 (simplify_comparison): Likewise.
3355 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3357 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3358 sizeof (int) is larger than sizeof(__word__).
3360 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3362 * cppinit.c (do_includes): Fix typo.
3364 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3366 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3367 in S_REGS does not occur because not all sources are possible
3368 when a S_REGS is a destination (sometimes needs a clobber).
3369 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3370 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3371 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3372 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3373 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3374 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3375 (lshrdi_const1, lshrsi3_const16): Likewise.
3376 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3377 (*movhi_68hc12, *movqi_68hc12): Likewise.
3378 (movstrictqi): Make sure reloading in D_REGS as a destination
3381 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3383 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3385 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3387 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3388 -D, -U and -A, and don't initialize the builtins.
3389 (do_includes): Error if -include or -imacros with -fpreprocessed.
3390 * cppmain.c (cb_define, cb_undef): Unconditionally process
3392 * tradcpp.c (main): Fix typo.
3394 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3396 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3397 (read_name_map): Use IS_ABSOLUTE_PATH.
3398 * tradcpp.c (get_filename): Likewise.
3400 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3402 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3403 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3404 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3405 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3406 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3407 (cmphi_z_used): Don't use '@' for the output.
3408 (tstqi_z_used): Likewise.
3409 (cmpqi_z_used): Likewise.
3410 (one_cmplsi2): Likewise.
3412 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3414 * config/sh/sh.c (barrier_align): Recognize branch around far
3415 branch and redundant insn.
3417 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3419 * invoke.texi: Restore documentation of the drivers' switches -MD
3422 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3424 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3426 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3427 check-objc//%): Support parallel testing of multilibs.
3428 (TESTSUITEDIR): Set to testsuite by default, but override for
3430 (check-gcc, check-g++, check-g77, check-objc): Enter
3433 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3435 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3436 * sched-deps.c (deps_may_trap_p): Likewise.
3437 * basic-block.h: Remove a comment.
3438 * flow.c (PROP_POSTRELOAD): Remove.
3439 (update_life_info): Don't add it to prop_flags.
3440 (mark_set_1): Lose the code that was enabled by it.
3442 2001-01-11 Michael Hayes <mhayes@redhat.com>
3444 * flow.c (flow_call_edges_add): New.
3445 * basic_block.h (flow_call_edges_add): New.
3447 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3449 * reload1.c (move2add_note_store): Update reg_set_luid even if
3450 base reg remains the same.
3452 2001-01-10 Nick Clifton <nickc@redhat.com>
3454 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3455 machine_function structure to zero.
3456 Add prototypes for machine_status functions.
3458 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3460 * c-common.h (CTI_VOID_LIST): Remove.
3461 (void_list_node): Likewise.
3462 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3463 (void_list_node): New macro.
3464 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3465 * config/i386/i386.c (ix86_init_builtins): Likewise.
3466 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3468 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3470 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3471 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3473 * tradcpp.c: Include mkdeps.h.
3474 (deps, print_deps_phony_targets, deps_append, output_deps,
3475 init_dependency_output, output_deps): New.
3476 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3477 deps_output): Delete.
3478 (print_deps_missing_files): Rename deps_missing_files.
3479 (inhibit_output): Make global.
3480 (main): Delete inhibit_output, deps_stream, deps_target.
3481 Use mkdeps functionality in the same way as cpplib. Remove
3482 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3483 -M and -MM. Remove old handling of deps via deps_out, and
3484 old reading of environment variables.
3485 (get_filename): Update to use deps_add_dep.
3487 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3489 * output.h (make_function_rtl): Remove prototype.
3490 (make_decl_rtl): Likewise.
3491 * varasm.c (make_function_rtl): Remove.
3492 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3493 than from a third parameter.
3494 * tree.h (make_decl_rtl): Remove last parameter.
3495 * c-decl.c (builtin_function): Remove last argument in call to
3496 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3497 (start_function): Likewise.
3498 * except.c (call_get_eh_context): Likewise.
3499 * expr.c (emit_block_move): Likewise.
3500 (clear_storage): Likewise.
3501 * profile.c (output_func_start_profiler): Likewise.
3502 * toplev.c (rest_of_decl_compilation): Likewise.
3503 * objc/objc-act.c (create_builtin_decl): Likewise.
3504 (synth_module_prologue): Likewise.
3505 (generate_static_reference): Likewise.
3506 (build_selector_reference_decl): Likewise.
3507 (build_class_reference_decl): Likewise.
3508 (build_objc_string_decl): Likewise.
3509 (build_protocol_reference): Likewise.
3511 2001-01-10 Richard Henderson <rth@redhat.com>
3513 * hwint.h: Revert yesterday's change.
3515 2001-01-10 Nick Clifton <nickc@redhat.com>
3517 * function.h (save_machine_status): Delete.
3518 (restore_machine_status): Delete.
3519 Amend comment describing {init|mark|free}_machine_status.
3521 * function.c (save_machine_status): Delete.
3522 (restore_machine_status): Delete.
3523 Amend comment describing {init|mark|free}_machine_status.
3524 (push_function_context_to): Remove invocation of
3525 save_machine_status.
3526 (pop_function_context_from): Remove invocation of
3527 restore_machine_status.
3529 * emit-rtl.c (init_emit_once): Amend comment describing
3530 {init|mark|free}_machine_status.
3532 * tm.texi (Per-Function Data): New node. Describe the
3533 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3536 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3538 * cppinit.c (OPT_g): Remove.
3539 (cpp_handle_option): Update for removed -g3.
3540 (print_help): Update.
3541 * cpplib.h (struct cpp_options): Remove debug_output.
3542 * cppmain.c (setup_callbacks, cb_define): Update.
3543 * gcc.c (cpp_options): Translate -g3 to -dD.
3545 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3547 * config/i960/i960.md: Change modifier to + on the zero_extract
3548 pattern after the (rotate -2 reg) canonicalization pattern.
3550 2001-01-10 Richard Henderson <rth@redhat.com>
3552 * config/alpha/alpha.c (alpha_free_machine_status): New.
3553 (override_options): Install it.
3554 (alpha_mark_machine_status): Verify machine non-null.
3555 * config/i386/i386.c (ix86_free_machine_status): New.
3556 (override_options): Install it.
3557 (ix86_init_machine_status): Use xcalloc.
3558 (ix86_mark_machine_status): Verify machine non-null.
3559 * config/ia64/ia64.c (ia64_free_machine_status): New.
3560 (ia64_override_options): Install it.
3561 (ia64_mark_machine_status): Verify machine non-null.
3563 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3565 * function.c (instantiate_virtual_regs): Instantiate virtual
3566 registers found in CALL_INSN_FUNCTION_USAGE.
3568 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3570 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3571 equivalent to -ansi in disabling -Di386.
3573 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3575 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3577 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3579 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3581 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3583 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3585 * invoke.texi: Document that -fcond-mismatch isn't supported for
3588 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3590 * gcc.texi: Define macro gcctabopt.
3591 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3592 @command, @env and @option in some places where appropriate. Use
3593 @gcctabopt where appropriate. Put URLs and email addresses inside
3596 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3598 * gcc.c (cpp_options): Set MD file name from output
3599 filename, if specified.
3600 (suffix_subst): New static variable.
3601 (do_spec): Clear it.
3602 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3604 (give_switch): Handle suffix_subst.
3606 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3608 * invoke.texi: Fix another typo.
3610 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3612 * invoke.texi: Fix typo.
3614 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3616 * c-lang.c (lang_hooks): Update.
3617 (lang_decode_option): Remove.
3618 (lang_init_options): Rename c_init_options.
3619 * toplev.c (main): Use lang_hooks for lang_init_options
3620 and lang_decode_option.
3621 * toplev.h (lang_hooks): Add 2 new hooks.
3622 * tree.h: Remove lang_init_options and lang_decode_option.
3623 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3624 * cp/decl2.c: Similarly.
3625 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3626 (lang_hooks): Update.
3627 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3629 (lang_init_options): Rename ffe_init_options.
3630 (lang_hooks): Update.
3631 (lang_decode_option): Remove.
3632 * java/lang.c (lang_init_options): Rename java_init_options.
3633 (lang_decode_option): Rename java_decode_option.
3634 (lang_hooks): Update.
3635 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3636 (lang_decode_option): Rename objc_decode_option.
3637 (lang_hooks): Update.
3639 2001-01-09 Nick Clifton <nickc@redhat.com>
3641 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3642 (d30v_return_addr_rtx): Delete.
3643 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3644 cfun->machine structure.
3645 (struct machine_function): Move to d30v.h
3646 (d30v_save_machine_status): Delete.
3647 (d30v_restore_machine_status): Delete.
3648 (d30v_init_machine_status): New Function.
3649 (d30v_mark_machine_status): New Function.
3650 (d30v_free_machine_status): New Function.
3651 (d30v_init_expanders): Use new functions.
3652 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3653 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3654 d30v_return_addr_rtx.
3656 * config/d30v/d30v.h (struct_machine): Move here.
3657 Add eh_epilogue_sp_ofs field.
3659 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3660 field in cfun->machine structure.
3662 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3664 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3665 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3666 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3668 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3670 * objc/lang-options.h: Remove bogus reference to
3673 2001-01-09 Kazu Hirata <kazu@hxi.com>
3675 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3678 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3680 * reload.c (find_reloads_address): Check for eliminable registers
3681 when substituting a constant expression for a pseudo.
3683 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3685 * c-common.c (enum format_type): Add format_type_error.
3686 (decode_format_type): New function.
3687 (decl_attributes): Use it.
3688 (format_kind_info): Adjust comment.
3690 2001-01-09 David O'Brien <obrien@BSDi.com>
3692 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3693 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3695 * config/i386/gnu.h: Don't include required platform specific .h files,
3696 tm.h will do it instead.
3697 * config/i386/i386elf.h: Likewise.
3698 * config/i386/linux.h: Likewise.
3699 * config/i386/moss.h: Likewise.
3700 * config/mips/gnu.h: Likewise.
3702 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3704 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3705 (rs6000-ibm-aix3.[01]*): Likewise.
3706 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3707 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3708 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3709 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3710 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3711 (powerpc-*-eabiaix*): Likewise.
3712 (powerpc-*-eabisim*): Likewise.
3713 (powerpc-*-elf*): Likewise.
3714 (powerpc-*-eabi*): Likewise.
3715 (powerpc-*-rtems*): Likewise.
3716 (powerpc-*-linux*libc1): Likewise.
3717 (powerpc-*-linux*): Likewise.
3718 (powerpc-wrs-vxworks*): Likewise.
3719 (powerpcle-wrs-vxworks*): Likewise.
3720 (powerpcle-*-sysv*): Likewise.
3721 (powerpcle-*-elf*): Likewise.
3722 (powerpcle-*-eabisim*): Likewise.
3723 (powerpcle-*-eabi*): Likewise.
3724 (powerpcle-*-solaris2*): Likewise.
3725 * config/rs6000/aix31.h: Delete includes.
3726 * config/rs6000/aix3newas.h: Likewise.
3727 * config/rs6000/aix41.h: Likewise.
3728 * config/rs6000/aix43.h: Likewise.
3729 * config/rs6000/beos.h: Likewise.
3730 * config/rs6000/rtems.h: Likewise.
3731 * config/rs6000/sysv4.h: Likewise.
3733 2001-01-09 Kazu Hirata <kazu@hxi.com>
3735 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3736 Change an argument mode of machine_mode to shift_mode of
3737 shift_mode. Remove an extra error check.
3738 (emit_a_shift): Adopt to the new calling prototype of
3740 (function_prologue): Fix code for a monitor
3741 function. Support H8/S.
3742 (function_epilogue): Do not output pop for a monitor function.
3744 2001-01-09 Nick Clifton <nickc@redhat.com>
3746 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3747 (setup_incoming_varargs): Use sysv_varargs_p field of the
3748 cfun->machine structure.
3749 (struct machine_function): Move to rs6000.h
3750 (rs6000_save_machine_status): Delete.
3751 (rs6000_restore_machine_status): Delete.
3752 (rs6000_init_machine_status): New Function.
3753 (rs6000_free_machine_status): New Function.
3754 (rs6000_init_expanders): Use new functions.
3756 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3758 (struct machine_function): Move here.
3760 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3761 sysv_varargs_p field of the cfun->machine structure.
3763 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3765 (rs6000_restore_machine_status): Remove prototype.
3767 2001-01-09 Richard Henderson <rth@redhat.com>
3769 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3770 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3771 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3772 (sched_analyze_2, sched_analyze_insn): Likewise.
3773 (sched_analyze, init_deps): Likewise.
3774 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3775 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3776 (compute_block_backward_dependences): Update propagate_deps call.
3778 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3780 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3782 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3784 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3785 (cpp_handle_option): Handle them.
3786 (cpp_post_options): Ensure one of -M or -MM is specified with
3787 any other -M? option.
3788 (init_dependency_output): Suppress output with -MG.
3790 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3793 * invoke.texi: Update.
3795 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3797 * sh.md (reload_outsf): Generate recognizable patterns for
3800 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3802 * c-lang.c (lang_hooks): Update.
3803 (lang_init): Rename c_init.
3804 (lang_finish): Remove.
3805 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3807 * toplev.h (lang_hooks): Add init () and finish ().
3808 * tree.h (lang_init, lang_finish): Remove.
3809 * cp/tree.h (lang_init, lang_finish): Remove.
3810 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3811 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3813 (lang_init, lang_finish): Remove.
3814 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3815 (lang_hooks): Update.
3816 * java/lang.c (lang_init): Rename java_init.
3817 (lang_finish): Remove.
3818 (lang_hooks): Update.
3819 * objc/objc-act.c (lang_init): Rename objc_init.
3820 (lang_finish): Remove.
3821 (lang_hoooks): Update.
3823 20001-01-09 Graham Stott <grahams@redhat.com>
3825 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3826 after `ptr` is initialised.
3828 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3830 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3831 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3832 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3833 stack adjusts, instead of r3.
3835 2001-01-09 Michael Hayes <mhayes@redhat.com>
3837 * flow.c (flow_loop_scan): Break out of ...
3838 (flow_loops_find) ... here.
3839 * basic-block.h (flow_loop_scan): New.
3840 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3841 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3843 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3845 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3847 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3848 realloc()ing macro_buffer.
3850 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3851 if it's wider than long and the target's long is wider than the
3854 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3856 Remove support for using UWIN as a host machine.
3857 * configure.in: Issue an error message.
3858 * configure: Regenerated.
3859 * config.gcc: Remove xm_* UWIN configury.
3860 * config/i386/xm-uwin.h: Remove.
3862 2001-01-08 Nick Clifton <nickc@redhat.com>
3864 * config/v850/v850.c (ra_rtx): Delete.
3865 (v850_save_machine_status): Delete.
3866 (v850_restore_machine_status): Delete.
3867 (v850_init_machine_status): New function.
3868 (v850_mark_machine_status): New function.
3869 (v850_free_machine_status): New function.
3870 (v850_return_addr): Use ra_rtx field in machine structure.
3871 (v850_init_expanders): Use new functions.
3873 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3874 * config/v850/v850.c: Change arguments to v850_output+* functions
3875 to take a const char *, to avoid compile time warning.
3876 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3877 (USER_LABEL_PREFIX): Redefine.
3879 2000-01-08 Jim Wilson <wilson@redhat.com>
3881 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3882 1 to unsigned HOST_WIDE_INT before left shift.
3884 2001-01-08 Nick Clifton <nickc@redhat.com>
3886 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3887 the machine structure has been allocated.
3888 (arm_free_machine_status): New function: Free the machine
3889 specific function structure.
3891 2001-01-08 Richard Henderson <rth@redhat.com>
3893 * jump.c (simplejump_p): Revert last change.
3895 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3897 * cppinit.c (init): Rename init_library.
3898 (cpp_create_reader): Update.
3899 * gcc.c (cpp_options): If -o given, use it as the target of
3902 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3904 * arm.c (arm_arch5e): New variable.
3905 (all_cores): XScale is a 5TE device.
3906 (arm_override_options): Set arm_arch5e.
3907 (arm_init_builtins): __builtin_prefetch is in arch5e.
3908 * arm.h (arm_arch5e): Declare it.
3910 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3912 * arm.md (define_constants): Add defines for UNSPEC and
3913 UNSPEC_VOLATILE insns. Update all users.
3914 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3915 * arm.c (multi_register_push, note_invalid_constants)
3916 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3917 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3918 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3920 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3922 * jump.c (jump_optimize_1): Use reversed_comparison_code
3923 instead of can_reverse_comparison_p.
3924 (jump_back_p): Likewise.
3925 (invert_exp_1): Likewise.
3926 (thread_jumps): Likewise.
3927 * simplify-rtx.c (simplify_unary_operation): Likewise.
3928 (simplify_ternary_operation): Likewise.
3929 * cse.c (find_comparison_args): Convert to use
3930 can_reverse_comparison_p.
3931 (record_jump_equiv): Likewise.
3933 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3935 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3936 (EPILOGUE_USES): Define.
3937 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3938 automatically stack the LR if it isn't live.
3940 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3942 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3945 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3947 * ggc-page.c (max_alignment): New structure.
3948 (MAX_ALIGNMENT): New macro.
3949 (init_ggc): Use it to round up the sizes in the
3950 extra_order_size_table.
3952 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3954 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3957 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3959 * builtins.def (BUILT_IN_FPRINTF): New entry.
3961 * c-common.c (c_expand_builtin_fprintf): New function.
3962 (init_function_format_info): Handle __builtin_fprintf.
3963 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3964 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3966 * c-decl.c (duplicate_decls): Adjust comment.
3968 * extend.texi (fprintf): Document new builtin.
3970 2001-01-07 Richard Henderson <rth@redhat.com>
3972 * jump.c (simplejump_p): Recognize any single_set jump
3975 2001-01-07 Richard Henderson <rth@redhat.com>
3977 * configure.in (slibdir): Accept an --with-slibdir option.
3978 Use "test" not "[" in configure. Default to $(libdir).
3980 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3982 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3983 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3984 (SHLIB_LINK): Create links for the soname.
3985 * config/mips/t-iris6: Likewise.
3986 * config/sparc/t-slibgcc: Likewise.
3987 * config/sparc/t-slibgcc-sld: Likewise.
3989 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3991 * config/i386/i386.c (constant_call_address_operand): Accept
3992 (const (plus (symbol_ref) (const_int))).
3993 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3994 constant_call_address_operand.
3996 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3998 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3999 and LONG_LONG_TYPE_SIZE > 32.
4001 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4003 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4004 the previous change.
4006 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4008 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4010 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4011 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4012 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4015 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4017 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4019 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4021 * c-lang.c (c_post_options): Call cpp_post_options.
4022 * objc/objc-act.c (objc_post_options): Similarly.
4023 * cppmain.c (main): Similarly.
4024 * fix-header.c (read_scan_file): Similarly.
4025 * cppinit.c (cpp_start_read): Move option consistency checks
4026 to cpp_post_options. Don't call init_dependency_output.
4027 If needed, add default target and main file dependency.
4028 (OPT_MD, OPT_MMD): Remove.
4030 (cpp_handle_option): Update for OPT_* changes.
4031 (cpp_post_options): New.
4032 (init_dependency_output): Command line -MF overrides environment
4033 variables. Don't set default target etc. Suppress output
4034 if dependencies are going to stdout.
4035 (print_help): Update.
4036 * cpplib.h (cpp_post_options): New.
4037 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4039 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4041 * jump.c (comparison_dominates_p): Support unordered compares.
4043 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4045 * simplify-rtx.c (simplify_relational_operation): Always simplify
4046 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4049 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4051 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4052 (nonzero_bits): Likewise.
4053 (simplify_comparison): Likewise.
4054 (num_sign_bit_copies): Likewise; return more sane value depending
4055 on STORE_FLAG_VALUE.
4056 (known_cond): Do not assume EQ to be always true for equivalent
4059 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4061 * cse.c (fold_rtx): Handle unordered comparisons.
4063 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4065 * rtlanal.c (set_of_1): New static function.
4066 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4067 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4068 reg_set_last_last_regno): Remove.
4069 (set_of): New global function.
4070 (set_of_data): New structure.
4071 (reg_set_p, reg_set_last): Revamp for set_of.
4072 * rtl.h (set_of): New.
4074 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4076 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4077 * extend.texi: Document _Exit builtin.
4079 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4081 * (initialize, initialize_builtins,
4082 initialize_dependency_output, initialize_standard_includes):
4083 Rename s/initialize/init. Update.
4084 (init_dependency_output): Move to after
4085 cpp_handle_options, the correct location temporally at least.
4086 (opt_comp): Move next to init (), its caller. Fix prototype.
4087 (init): Make "initialized" local scope.
4088 (cpp_create_reader): Always call init ().
4089 (cpp_start_read): Update.
4090 (output_deps): New function, broken out of cpp_finish.
4091 (cpp_finish): Break out output_deps.
4093 2001-01-07 Richard Henderson <rth@redhat.com>
4095 * collect2.c (COFF specific stuff): Revert 12-06 patch
4096 to prototype system functions.
4098 2001-01-07 Michael Hayes <mhayes@redhat.com>
4100 * hard-reg-set.h: Add multiple include guard.
4101 * basic-block.h (struct loop): Add `sink' field.
4102 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4103 (emit_iv_add_mult): Delete.
4104 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4105 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4106 (unroll_loop): Remove end_insert_before argument.
4107 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4108 (maybe_eliminate_biv_1): Likewise.
4109 (emit_iv_add_mult): Delete.
4110 (gen_add_mult, loop_regs_update): New.
4111 (loop_insn_emit_after, loop_insn_emit_before): New.
4112 (loop_insn_sink, loop_insn_sink_or_swim): New.
4113 (emit_iv_add_mult): Delete.
4114 (scan_loop): Set loop->sink.
4115 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4116 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4117 (maybe_eliminate_biv_1): Likewise.
4118 (maybe_eliminate_biv_1): Add basic block argument.
4119 * unroll.c (unroll_loop): Remove end_insert_before argument.
4120 (find_splittable_regs): Likewise.
4121 (find_splittable_regs): Use loop_insn_sink and its ilk.
4122 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4124 2001-01-07 Michael Hayes <mhayes@redhat.com>
4126 * loop.h (loop_insn_hoist): New prototype.
4127 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4128 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4129 (check_dbra_loop, load_mems): Likewise.
4130 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4131 (find_splittable_givs): Likewise.
4133 2001-01-07 Michael Hayes <mhayes@redhat.com>
4135 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4137 2001-01-07 Richard Henderson <rth@redhat.com>
4139 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4141 2001-01-07 Richard Henderson <rth@redhat.com>
4143 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4144 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4145 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4146 variant that handles a shared libgcc.
4147 (process_command): Always validate -{static,shared}-libgcc.
4148 (do_spec_1): New 'M' case.
4149 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4151 2001-01-07 Richard Henderson <rth@redhat.com>
4153 * Makefile.in (slibdir): New variable.
4154 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4155 (installdirs): Create slibdir.
4156 (install-libgcc, install-multilib): Defer to libgcc.mk.
4157 * configure.in (slibdir): Substitute.
4158 * mklibgcc.in (install): New target.
4160 * config/t-linux (SHLIB_LINK): Create links for the soname.
4161 (SHLIB_INSTALL): New.
4162 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4163 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4164 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4165 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4166 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4168 2001-01-07 Richard Henderson <rth@redhat.com>
4170 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4171 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4172 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4174 2001-01-07 Michael Hayes <mhayes@redhat.com>
4176 * loop.c (count_loop_regs_set): Delete.
4177 (load_mems_and_recount_loop_regs_set): Delete.
4178 (loop_regs_scan): Merge common code from count_loop_regs_set,
4179 scan_loop, and load_mems_and_recount_loop_regs_set.
4180 (scan_loop): Call load_mems directly and loop_regs_scan
4181 again if new registers created.
4183 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4185 * toplev.c (main): Call the front-end specific post_options
4186 hook if one is given.
4187 * toplev.h (struct_lang_hooks, lang_hooks): New.
4188 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4189 for the C front end.
4190 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4191 lang_hooks for the C++ front end.
4192 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4193 lang_hooks for the ObjC front end.
4194 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4195 * java/lang.c (lang_hooks): Hooks for the Java front end.
4197 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4199 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4200 for verbose DWARF[2] debugging.
4201 (cb_define, cb_undef): The new callbacks.
4202 * toplev.h (debug_define, debug_undef): Make const correct.
4203 * toplev.c (debug_define, debug_undef): Similarly. Do not
4204 perform the verbosity tests here anymore.
4206 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4208 * reload.c (subst_reloads): Take INSN argument. When
4209 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4210 * reload.h (subst_reloads): Adjust prototype.
4211 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4212 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4213 present in JUMP_INSNs and copy them to JUMP_LABEL.
4214 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4215 JUMP_INSNs and insns with REG_LABELs that are followed by
4216 JUMP_INSNs with the same REG_LABEL.
4217 * sched-rgn.c (is_cfg_nonregular): Likewise.
4218 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4220 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4222 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4224 2001-01-06 Richard Henderson <rth@redhat.com>
4226 * loop.c (scan_loop): Use xcalloc for the regs array.
4227 (load_mems_and_recount_loop_regs_set): Zero the new memory
4228 received from xrealloc.
4230 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4232 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4234 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4236 * integrate.c (copy_rtx_and_substitute): When copying
4237 an ignored return value, strip REG_FUNCTION_VALUE_P.
4239 2001-01-06 Michael Hayes <mhayes@redhat.com>
4241 * loop.c (debug_biv, debug_giv): New.
4242 (loop_biv_dump): Break out from ...
4243 (record_biv): ... here.
4244 (loop_giv_dump): Break out from ...
4245 (record_giv): ... here.
4246 (loop_bivs_check): Use print_simple_rtl.
4247 * unroll.c (loop_iterations): Use print_simple_rtl.
4249 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4251 * pa.md (return, return_internal): Modify patterns to prevent regrename
4252 mucking with the return pointer.
4254 2001-01-05 Richard Henderson <rth@redhat.com>
4256 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4258 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4260 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4261 version supplied by Matteo Frigo.
4263 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4265 * cpp.texi: Update for -MQ.
4266 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4267 (cpp_cleanup): Always free pfile->deps.
4268 (initialize_dependency_output): Don't create pfile->deps.
4269 (cpp_handle_option): Similarly.
4271 * gcc.c (cpp_options): Handle -MQ.
4272 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4273 * mkdeps.c (base_name): Remove.
4274 (deps_init): Don't allocate vector space until it's needed.
4275 (deps_free): Only free vectors if allocated.
4276 (deps_add_target, deps_add_dep): Update for initial allocation.
4277 (deps_add_default_target): Don't strip to the base_name.
4279 2001-01-05 DJ Delorie <dj@redhat.com>
4281 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4282 (INIT_EXPANDERS): Define.
4284 * config/v850/v850.c (struct machine_function): Define.
4285 (v850_save_machine_status): New function.
4286 (v850_restore_machine_status): New function.
4287 (v850_return_addr): New function.
4288 (v850_init_expanders): New function.
4290 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4291 and v850_init_expanders.
4293 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4295 * cpplib.h (struct cpp_reader): Add help_only field.
4296 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4297 (cpp_handle_option): Set pfile->help_only if we see -h,
4298 --help, -target-help, or --version. Print version string but
4299 do not set help_only if we see -v or -version. Make text
4300 printed by -v match that printed by (-)-version.
4302 * cppmain.c (main): Exit after option parsing if
4303 pfile->help_only is true.
4305 * toplev.c (independent_decode_option): Call print_version,
4306 then exit, if we see --version (but not -version).
4307 (print_version): Split lengthy message into two lines.
4309 2001-01-05 Nick Clifton <nickc@redhat.com>
4311 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4312 temporary string for initialisation before calling ggc_alloc_string.
4314 2001-01-06 Michael Hayes <mhayes@redhat.com>
4316 * rtl.h (print_simple_rtl): New.
4317 * print-rtl.c (print_simple_rtl): New.
4319 (print_rtx): Disable printing of flags and modes, etc.,
4320 if `flag_simple` nonzero.
4322 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4324 * function.c (fixup_var_refs): Use push_to_full_sequence where
4327 2001-01-05 Michael Meissner <meissner@redhat.com>
4329 * flags.h (flag_reorder_blocks): Add declaration.
4330 (flag_rename_block): Ditto.
4332 2001-01-05 DJ Delorie <dj@redhat.com>
4334 * function.c (reorder_blocks): Make sure the flags are all reset
4335 before using them to mark blocks, else a second invocation will
4336 corrupt the block chain.
4337 (reorder_blocks_0): New, resets the flags.
4339 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4341 * cse.c (find_comparison_args): Stop if the argument is known to
4344 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4346 * config/sh/sh.md (movdf): When splitting load into pair of
4347 registers, don't clobber the register used in the address too
4350 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4352 * varasm.c (mark_constant_pool): Improve initial comments.
4353 (mark_constants): Move marking of constants to mark_constant.
4354 (mark_constant): New function to recursively mark all constants
4355 referred to by a constant.
4357 2001-01-05 Catherine Moore <clm@redhat.com>
4359 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4361 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4363 * cp/lang-options.h: Bring comment in line with reality.
4364 * f/lang-options.h: Likewise.
4365 * java/lang-options.h: Likewise.
4366 * objc/lang-options.h: Likewise.
4367 * ch/lang-options.h: Likewise.
4368 * f/g77.texi: And update the manual.
4370 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4371 Denis Chertykov <denisc@overta.ru>
4373 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4374 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4375 * config/avr/avr.md (all peepholes that request a scratch register):
4376 Call it, FAIL the peephole if not safe (in interrupt functions).
4378 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4380 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4382 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4384 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4386 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4387 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4388 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4389 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4390 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4392 * extend.texi: Document these builtins.
4394 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4396 * c-common.c (lang_get_alias_set): Say we know nothing of
4397 VECTOR_TYPE aliasing.
4399 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4401 2001-01-05 Bruce Korb <bkorb@gnu.org>
4403 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4404 their x* equivalent versions for atexit-less systems
4405 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4406 systems (or any other system any more).
4408 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4410 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4411 output operands. Use arm_hard_register_operand for operand 4.
4412 (stmsi_postinc): Similarly.
4413 (ldmsi): Use arm_hard_register_operand for opernand 2.
4415 * arm.c (arm_hard_register_operand): New function.
4416 * arm-protos.h (arm_hard_register_operand): Prototype it.
4418 * arm.h (HARD_REGNO_RENAME_OK): Define.
4420 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4422 * simplify-rtx.c (cfc_args): add "unordered" field.
4423 (check_fold_consts): Set unordered field.
4424 (simplify_relational_operation): Simplify the unordered
4427 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4430 * emit-rtl.c (try_split): Fix code to mark labels.
4431 * jump.c (mark_jump_label): Make global.
4432 * rtl.h (mark_jump_label): Declare.
4434 * predict.c (estimate_probability): Handle unordred comparisons.
4436 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4438 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4439 * cppinit.c (initialize_dependency_output): Update.
4440 (cpp_finish): Output dummy targets for -MP.
4442 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4443 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4444 * gcc.c (cpp_options): Update to handle -MP.
4445 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4446 to quote only the default target.
4447 (deps_phony_targets): Insert a preceding newline. Rename from
4448 deps_dummy_targets for consistency.
4451 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4453 * calls.c (emit_library_call_value_1): Support
4454 INIT_CUMULATIVE_LIBCALL_ARGS.
4455 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4457 2001-01-04 Richard Henderson <rth@redhat.com>
4459 * c-decl.c (finish_struct): Detect flexible array members
4460 used in an inappropriate context.
4461 * c-typeck.c (really_start_incremental_init): Special case
4462 constructor_max_index for zero length arrays.
4463 (pop_init_level): Allow initialization of flexible array
4464 members. Deprecate initialization of zero length arrays.
4465 Don't issue missing initializer warning for flexible array
4466 members or zero length arrays.
4467 (process_init_element): Don't dereference null DECL_SIZE.
4468 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4469 Don't abort for empty constructors. Use size_binop
4470 (output_constructor): Add commentary regarding zero length
4471 array futures. Abort if we try to initialize an array of
4472 unspecified length with a non-empty constructor in the middle
4475 * extend.texi (Zero Length): Update and clarify documentation
4476 on static initialization.
4478 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4480 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4481 with more than 32767 words of local storage.
4483 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4485 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4486 for 'abs', 'labs', and 'fabs'.
4487 (c4x_expand_builtin): Likewise.
4488 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4490 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4492 * config/sh/sh.md (prget, prset): New insn types.
4493 (return delay slot): Dont' allow prset.
4494 (call, sfunc delay slot): Don't allow prget.
4495 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4496 for prset and prget.
4498 2001-01-05 Michael Hayes <mhayes@redhat.com>
4500 * loop.h (struct loop_reg): New.
4501 (struct loop_regs): Change to use array of `struct loop_reg'.
4502 * loop.c: Replace assortment of varrays with single regs array.
4503 (count_one_set): Delete may_not_move array argument
4504 and use regs array instead. All caller's changed.
4505 (count_loop_regs_set): Delete may_not_move and single_usage
4506 arguments and use regs array instead. All caller's changed.
4507 (find_single_use_in_loop): Replace usage array argument with pointer
4508 to regs structure. All caller's changed.
4509 (loop_optimize): Delete `moved_once' array.
4511 2001-01-05 Michael Hayes <mhayes@redhat.com>
4513 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4514 Use it instead of loop_info->has_call for scanning loop mems.
4515 (check_dbra_loop): Replace loop_info->has_call test with
4516 loop_info->has_nonconst_call.
4518 2000-01-04 Matthew Hiller <hiller@redhat.com>
4520 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4523 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4525 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4526 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4528 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4530 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4531 (flag_short_double, flag_short_wchar): Define.
4532 (c_common_nodes_and_builtins): Create many tree nodes shared
4533 between C and C++ here instead of in cp/decl.c and ...
4534 * c-decl.c (init_decl_processing): ... here.
4535 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4536 (flag_short_double, flag_short_wchar): Don't define.
4537 (record_builtin_type): New function.
4538 (build_void_list_node): New function.
4539 * c-common.h (flag_short_double, flag_short_wchar,
4540 record_builtin_type, build_void_list_node): Declare.
4542 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4544 * integrate.c (expand_inline_function): Don't put a virtual
4545 register into the reg map.
4547 * function.c (fixup_var_refs_1): If force_operand didn't put
4548 the address into the target, move it there.
4550 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4552 Special-case tree_decl/tree_list allocations.
4553 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4554 (OBJECT_SIZE): New macro.
4555 (NUM_EXTRA_ORDER): Likewise.
4556 (extra_order_size_table): New variable.
4557 (NUM_ORDERS): New macro.
4558 (objects_per_page_table): New variable.
4559 (object_size_table): New variable.
4560 (G.pages): Use NUM_ORDERS to bound the array.
4561 (G.page_tails): Likewise.
4562 (DIV_ROUND_UP): Remove.
4563 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4564 (alloc_page): Use OBJECT_SIZE.
4565 (size_lookup): Don't make it const.
4566 (ggc_alloc): Use OBJECT_SIZE.
4567 (ggc_set_mark): Likewise.
4568 (ggc_get_size): Likewise.
4569 (init_ggc): Set up the object_size_table, objects_per_page_table,
4570 and adjust size_lookup.
4571 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4572 (ggc_pop_context): Use NUM_ORDERS.
4573 (clear_marks): Likewise.
4574 (sweep_pages): Likewise.
4575 (poison_pages): Likewise.
4576 (ggc_print_statistics): Use OBJECT_SIZE.
4578 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4580 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4581 Only call array_size_for_constructor if last field and array type
4582 with no upper bound.
4584 2001-01-04 Philip Blundell <philb@gnu.org>
4586 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4587 from bit 31 downwards, if this requires no more insns.
4588 (count_insns_for_constant): New helper function for above.
4590 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4592 * gencodes.c (output_predicate_decls): Remove empty initializer.
4594 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4596 * tree.c (copy_node): Remove documentation about obstacks.
4597 (buidl1): Check that nobody tries to build 2-argument nodes this
4600 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4602 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4605 * gencodes.c (output_predicate_decls): Fill empty initializer
4608 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4610 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4611 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4613 (do_include): Handle missing headers like cpp0.
4614 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4615 paths with first include pathname. Don't strcat to uninitialized
4618 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4620 * regrename.c (regrename_optimize): Don't rename from frame pointer
4621 if frame_pointer_needed.
4622 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4623 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4624 (ia64_reorg): Use it instead of scheduling if ! optimize.
4625 (errata_emit_nops): Properly call asm_noperands.
4626 (ia64_sched_reorder): Finish cycle if we see an asm.
4627 (ia64_variable_issue): Clear scheduling state after asms.
4629 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4631 * cpp.texi: Update for -MT.
4632 * cppinit.c (initialize_dependency_output): Add a default
4633 target if none has been given already.
4634 (no_tgt, OPT_MT): New.
4635 (cpp_handle_option): Handle -MT. Update -M etc.
4636 * cpplib.h (struct cpp_options): Remove deps_target.
4637 * gcc.c (cpp_options): Handle -MT.
4638 * mkdeps.c (struct deps): Move from mkdeps.h.
4639 (deps_calc_target): Rename deps_add_default_target. Add a
4640 default target if none has been specified already.
4641 * mkdeps.h (struct deps): Move to mkdeps.c.
4642 (deps_calc_target): Rename deps_add_default_target.
4644 2000-01-03 Richard Henderson <rth@redhat.com>
4646 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4648 * c-typeck.c (push_init_level): Move checks for flexible array
4649 members and zero length arrays ...
4650 (pop_init_level): ... here. Silently discard empty initializations.
4652 * varasm.c (output_constructor): Update for sizeof change to
4655 * extend.texi (Zero Length): Clarify semantics.
4657 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4659 * configure.in (tm.h): Include isns-codes.h last.
4660 * configure: Rebuilt.
4662 2001-01-03 Richard Henderson <rth@redhat.com>
4664 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4665 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4667 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4669 * tradcpp.c (main): Make sure finclude() is called with a valid
4670 indepth value while handling -include.
4672 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4674 * gencodes.c (output_predicate_decls): New function.
4676 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4677 even if it is not the first time machmode.h is #included.
4678 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4679 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4680 * gcc.texi (Copyright): Added 2001.
4682 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4684 * c-common.c (c_common_lang_init): New function. Warn if format
4685 warning options which only have effects when used with -Wformat
4686 are used without -Wformat.
4687 * c-common.h (c_common_lang_init): Declare.
4688 * c-lang.c (lang_init): Call c_common_lang_init.
4689 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4691 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4693 * configure.in: Check for the mktemp command.
4694 * configure: Regenerate.
4695 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4696 $TEMP. Create temporary files with mktemp, if available at
4697 configure time; otherwise use set -C. Remove temporary files
4700 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4702 * configure.in: Require at least texinfo 4.0. Check for whether
4703 Pod::Man is sufficiently recent to regenerate GCC manpages.
4704 * configure: Regenerate.
4705 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4707 (GENERATED_MANPAGES): Define.
4708 (generated-manpages): New target. Depend on cpp.1 as well as
4710 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4711 configure to generated-manpages or empty) rather than on the
4712 manpages directly. Remove execute permission from installed
4713 gcov.1 as well as cpp.1.
4714 * cpp.1, gcov.1: Regenerate.
4716 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4718 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4719 tree_low_cst. Allow using cmpstrsi in more cases.
4721 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4723 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4726 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4728 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4729 * Makefile.in (HOST_CFLAGS): Mention build-make.
4731 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4733 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4736 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4738 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4741 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4744 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4745 reg_base_value and reg_known_value arrays.
4746 (init_alias_analysis): Add more cases to detect known values.
4747 * sched-deps.c (deps_may_trap_p): New function.
4748 (sched_analyze_2): Use it.
4750 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4752 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4753 don't discard an ASHIFTRT if we're shifting in a wider mode.
4755 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4757 * toplev.c (rest_of_compilation): Don't print basic block information
4758 when CFG isn't up to date.
4760 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4762 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4763 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4764 (UNALIGNED_SHORT_ASM_OP): Define.
4765 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4767 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4769 * fold-const.c (fold_convert): Fix typo.
4771 2001-01-02 Richard Henderson <rth@redhat.com>
4773 * c-common.h (ASM_INPUT_P): New.
4774 * c-parse.in (asm): Set it when needed.
4775 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4776 existance of an operand.
4778 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4780 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4781 (dwarf2out_frame_debug_expr): Likewise.
4782 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4784 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4786 * i386.c (ix86_split_to_parts): Return number of part required;
4788 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4790 (ix86_split_long_move): Use number of part returned
4791 by ix86_split_to_parts
4792 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4794 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4795 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4796 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4797 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4798 (ALIGN_MODE_128): Add TFmode.
4799 (IS_STACK_MODE): Likewise.
4800 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4801 (HARD_REGNO_OK): Support TFmodes.
4802 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4803 * i386.md (scheduler definitions): Use memory operand to determine
4804 fst/fld instructions; use mode attribute to determine real mode of
4806 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4807 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4809 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4811 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4813 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4815 * expr.c (store_constructor_field): Update ALIGN before calling
4818 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4820 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4823 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4825 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4828 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4830 * c-decl.c (start_function): Don't warn on third parameter to main.
4832 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4834 * tsystem.h: Define HAVE_DECL_GETOPT.
4836 2001-01-02 Philip Blundell <pb@futuretv.com>
4838 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4841 2001-01-02 Richard Henderson <rth@redhat.com>
4843 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4845 2001-01-02 Andreas Jaeger <aj@suse.de>
4847 * c-decl.c (c_decode_option): Remove support of
4850 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4851 (W_options): Add -Wmissing-noreturn here.
4853 * flow.c: Define lang_missing_noreturn_ok_p.
4854 (check_function_return_warnings): Use it.
4856 * c-common.h: Declare lang_missing_noreturn_ok_p.
4858 * c-lang.c (c_missing_noreturn_ok_p): New function.
4859 (lang_init): Set lang_missing_noreturn_ok_p.
4861 * invoke.texi (Warning Options): Document this.
4863 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4865 * extend.texi (C++ Extensions): New node for C++ attributes;
4866 describe init_priority and com_interface.
4867 * invoke.texi: Remove -finit-priority as it now has zero effect.
4868 * install.texi: Fix xref syntax.
4869 * md.texi: Likewise.
4871 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4873 * config.gcc (sparc64-wrs-vxworks*): New case.
4874 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4876 * config/sparc/sparc.c (sparc_override_options): Do support different
4877 pointer and architecture size.
4878 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4879 (POINTERS_EXTEND_UNSIGNED): Define.
4880 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4881 (FUNCTION_MODE): Define to be Pmode.
4882 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4884 * function.c (expand_function_end): Properly handle DECL_RESULT
4885 and copy when ptr_mode != Pmode.
4886 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4888 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4890 * c-common.c (c_common_nodes_and_builtins): Set prototype
4891 parameters for __builtin_fputs, __builtin_fputc and
4892 __builtin_fwrite. Don't declare plain fputc as a builtin.
4894 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4896 * loop.c (add_label_notes): Increment the label usage count when
4897 a note is added to an insn which refers to a CODE_LABEL.
4898 * gcse.c (add_label_notes): Likewise.
4900 2001-01-01 Andreas Jaeger <aj@suse.de>
4902 * loop.c (scan_loop): Use xmalloc to allocate movables.
4904 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4906 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4907 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4908 * reload1.c (REGISTER_MOVE_COST): Likewise.
4909 * regclass.c (REGISTER_MOVE_COST): Likewise.
4910 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4911 dimension. Adjust all users.
4912 (init_reg_sets_1): Iterate on all modes.
4913 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4914 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4915 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4916 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4917 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4918 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4919 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4920 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4921 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4922 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4923 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4924 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4925 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4926 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4927 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4928 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4929 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4930 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4931 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4932 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4933 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4934 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4935 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4936 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4937 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4938 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4939 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4941 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4943 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4944 arg VARIES_P. Call it with extra arg.
4945 (true_dependence): Likewise.
4946 * rtl.h (rtx_addr_can_trap_p): Declare.
4947 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4949 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4950 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4951 pic offset table register if it's zero. All callers changed.
4952 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4954 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4956 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4957 STRING_POOL_ADDRESS_P.
4959 * config/sparc/sparc.c (input_operand): Properly test for short op.
4961 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4962 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4963 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4964 * config/sparc/elf.h: No longer include sol2.h.
4965 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4966 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4968 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4970 2001-01-01 Michael Hayes <mhayes@redhat.com>
4972 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4973 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4974 (record_initial): Likewise.
4975 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4976 (remap_split_bivs): Likewise.
4978 2001-01-01 Michael Hayes <mhayes@redhat.com>
4980 * loop.c (loop_ivs_free): New function.
4981 (strength_reduce): Break out from...
4983 2001-01-01 Michael Hayes <mhayes@redhat.com>
4985 * loop.h (struct iv): New.
4986 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4987 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4988 'reg_biv_class' fields with 'regs' and 'n_regs'.
4989 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4990 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4991 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4993 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4995 * resource.c (mark_referenced_resources): Abort() before
4996 attempting to mark a pseudo register.
4997 (mark_set_resources): Likewise.
4999 2001-01-01 Michael Hayes <mhayes@redhat.com>
5001 * loop.h (REG_IV_CLASS): New accessor macro.
5002 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5003 * unroll.c (REG_IV_CLASS): Likewise.
5005 See ChangeLog.4 for earlier changes.
OSDN Git Service
