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.
5 (gen_nop_type): New function.
6 (ia64_emit_nops): New function.
9 * reload1.c (eliminate_regs_in_insn): Restrict the special case
10 code not to try to optimize adds with anything but a REG destination.
12 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
13 (INSN_PRIORITY_KNOWN): New accessor macro.
14 * haifa-sched.c (priority): Use it instead of testing priority against
17 2001-02-28 DJ Delorie <dj@redhat.com>
19 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
20 since that doesn't work the way gcc wants on a generic m68k.
22 2001-02-28 Richard Henderson <rth@redhat.com>
24 * caller-save.c (save_call_clobbered_regs): Fix typo in
25 comparison last change.
27 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
29 * i386.c (pentium4_cost): New.
31 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
32 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
33 x86_integer_DFmode_moves, x86_partial_reg_dependency,
34 x86_memory_mismatch_stall): Add Pentium4
35 (x86_use_q_reg, x86_use_any_reg): Kill.
36 (override_options): Add pentium4.
37 (incdec_operand): Return 0 for pentium4.
38 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
39 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
40 (TARGET_PENTIUM4): Define.
41 (enum processor_type): Add PROCESSOR_PENTIUM4.
42 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
43 * i386.md (attribute "cpu"): Add pentium4.
44 * invoke.texi (march): Add pentium4.
46 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
48 * i386.md (sse_mov?fcc*): New patterns and splitters.
49 * i386.c (ix86_expand_movcc): Work post-reload; recognize
50 the SSE based conditional moves.
52 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
54 * i386.md (attribute mode): Add "TI".
55 (movsf_1): Add pxor support; remove constant propagation splitter.
56 (movdf_integer): Likewise.
57 (movdf_nointeger): Likewise.
58 (movxf constant prop splitter): Handle all modes; update for SSE.
59 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
60 * i386.c (standard_80387_constant_p): Rewrite.
61 (standard_sse_constant_p): New.
62 * i386-protos.h (standard_sse_constant_p): New.
64 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
66 * i386.md (sse_setccsf, sse_setccdf): New.
67 (sse_cmp* patterns): Use '%D' instead of outputtting condition
69 * i386.c (sse_comparison_operator): Accept the supported unordered
70 comparses; be ready for fast_math.
71 (print_operand): Support 'D'.
73 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
75 * jump.c (reversed_comparison_code): Kill.
77 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
79 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
82 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
84 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
85 add missing '%' in constraints.
87 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
89 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
90 for HOST_BITS_PER_WIDE_INT == 32 too.
92 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
94 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
96 (insert_save, insert_restore): New parameter save_mode.
97 (init_caller_save): Update initialization of reg_save_code
99 (save_call_clobbered_regs): Compute save_modes and update calls to
100 reg_save_code and reg_restore_code.
101 (insert_restore): Unsignetize numbers; use save_modes to choose mode
102 of spill; update use of reg_restore_code.
103 (insert_save): Likewise.
104 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
105 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
106 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
108 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
110 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
111 noce_try_store_flag_inc, noce_try_store_flag_mask,
112 noce_try_cmove_arith):
113 Use reversed_comparison_code instead of reverse_comparison and
114 can_reverse_comparison_p.
116 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
118 * jump.c (reversed_comparison_code_parts): Allow reversal of
119 unordered compares in -ffast-math mode; reverse ordered compares
120 for FP even w/o -ffast-math.
122 2001-02-27 Richard Henderson <rth@redhat.com>
124 * print-rtl.c (print_rtx) [i]: Don't print field five on
125 NOTEs other than NOTE_INSN_DELETED_LABEL.
127 2001-02-27 Zack Weinberg <zackw@stanford.edu>
129 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
130 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
132 2001-02-27 Diego Novillo <dnovillo@redhat.com>
134 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
135 even if walk_subtrees is 0.
136 * c-semantics.c (prune_unused_decls): Return a non-null value to
137 stop traversing the tree chain.
139 2001-02-27 DJ Delorie <dj@redhat.com>
141 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
142 register, *then* define it as the new CFA.
144 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
146 * pa.c (override_options): Promote -fpic to -fPIC.
147 (legitimize_pic_address): Simplify due to removal of
148 small PIC as a code generation option.
149 (secondary_reload_class): Similarly.
150 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
151 (PRINT_OPERAND_ADDRESS): Similarly.
152 * pa.md (various patterns): Similarly.
153 (small pic lo_sum pattern): Remove.
155 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
158 * md.texi (min, max): Document
160 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
162 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
163 TARGET_PARTIAL_REG_DEPENDENCY.
164 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
166 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
168 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
170 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
172 * mips.c (mips_make_temp_file): Fix thinko in last change.
174 2001-02-26 Jason Eckhardt <jle@redhat.com>
176 * combine.c (known_cond): Do not reverse the condition when
177 SMAX/UMAX is being considered and the condition is for equality
180 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
182 2001-02-26 Philip Blundell <philb@gnu.org>
184 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
186 * config/arm/linux-elf.h: Remove historical relics related to
187 above configurations.
188 * config/arm/linux-oldld.h: Delete.
189 * config/arm/linux-elf26.h: Delete.
191 2001-02-26 Jason Merrill <jason@redhat.com>
193 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
195 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
196 recognize a tentative definition. Lose obsolete code.
198 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
199 variables unless necessary, either.
201 2001-02-25 Richard Henderson <rth@redhat.com>
203 * ifcvt.c (struct noce_if_info): Add test_bb.
204 (noce_get_alt_condition): New.
205 (noce_try_minmax, noce_try_abs): New.
206 (noce_operand_ok): New.
207 (noce_process_if_block): Use them.
208 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
210 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
212 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
215 2001-02-25 Zack Weinberg <zackw@stanford.edu>
217 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
218 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
220 (mips_asm_file_end): Free temp_filename here.
222 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
224 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
225 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
227 * config/i386/i386.md (movstrsi): Handle FAIL case.
229 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
231 * cppinit.c (builtin_array): Update.
232 (init_builtins): Flag builtins to warn if redefined or
233 undefined. Define __GXX_WEAK as a normal macro.
234 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
235 * cpplib.h (NODE_WARN): New flag.
236 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
237 Handle __STDC__ as a builtin only on Solaris.
238 (warn_of_redefinition): Renamed from check_macro_definition.
239 Reverse sense of test. Always warn if NODE_WARN.
240 (_cpp_create_definition): Use warn_of_redefinition. Flag
241 any macro beginning with "__STDC_" to require a mandatory
242 warning if redefined or undefined.
244 2001-02-24 Zack Weinberg <zackw@stanford.edu>
246 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
247 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
248 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
249 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
250 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
251 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
253 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
254 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
255 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
256 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
257 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
259 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
260 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
263 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
264 Delete now-empty file.
266 * alpha/vms.h: Define NEED_ATEXIT here...
267 * alpha/xm-vms.h: ...not here.
269 * i386/cygwin.h: Don't define PARAMS.
270 * mips/mips.c: Don't prototype mktemp. Don't define
271 P_tmpdir. Use make_temp_file to create temporary files.
272 Don't be clever and delete temporary files early.
273 * config.gcc: Drop references to deleted files. Don't define
275 * gcc.texi: Don't mention USE_PROTOTYPES.
277 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
279 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
280 (ix86_set_move_mem_attrs_1): Likewise.
281 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
282 * config/i386/i386.md (movstrsi): Call it.
284 2001-02-24 Zack Weinberg <zackw@stanford.edu>
286 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
287 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
288 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
289 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
291 (i750a-*-*): Error here if hosting on i750a.
292 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
294 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
295 Remove (empty modulo comments).
297 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
298 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
299 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
300 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
301 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
302 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
304 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
305 Remove reference to winnt.h in comment.
306 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
308 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
310 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
311 used to set another biv.
313 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
315 * tree.h (BLOCK_DEAD): New macro.
316 (struct tree_block): New flag, dead_flag.
317 * print-tree.c (print_node, case 'b'): Print missing fields.
318 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
319 * function.c (identify_blocks): Enable test for misplaced notes.
320 (all_blocks): Skip BLOCK_DEAD blocks.
321 * integrate.c (integrate_decl_tree): Likewise.
323 * errors.c (internal_error, trim_filename): New functions.
324 (fancy_abort): Call internal_error.
325 * errors.h (internal_error, trim_filename): New declarations.
327 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
329 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
331 (EXTRA_CONSTRAINT): Formatting changes.
333 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
335 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
337 2001-02-23 Per Bothner <per@bothner.com>
339 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
340 so they can be called from java/jvspec.c.
341 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
343 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
345 * i386.c (ix86_frame): New structure.
346 (ix86_compute_frame_size): Kill.
347 (ix86_compute_frame_layout): New.
348 (ix86_save_reg): New.
349 (ix86_can_use_return_insn_p): Use frame layout stuff.
350 (ix86_expand_prologue): Likewise.
351 (ix86_expand_epilogue): Likewise.
352 (ix86_initial_elimination_offset): Likewise.
353 (ix86_nsaved_regs): Use ix86_save_reg.
354 (ix86_emit_save_regs): Likewise.
356 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
358 * flow.c (find_sub_basic_blocks): New function.
359 (split_block): Be ready for basic block introduced by CODE_LABEL.
360 (commit_one_edge_insertion): Call find_sub_basic_block.
362 * flow.c (make_edges): Add edge from entry for blocks starting with
363 label having ALTERNATE_NAME
365 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
367 * function.c (epilogue_done): Be ready for first basic block not
368 containing PROLOGUE_END note.
369 (reposition_prologue_and_epilogue_notes): Avoid placing
370 PROLOGUE_END note between BASIC_BLOCK.
372 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
374 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
376 2001-02-21 DJ Delorie <dj@redhat.com>
378 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
379 check for current_function_has_nonlocal_goto from 1999-11-12.
381 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
383 * diagnostic.c (trim_filename): No longer static.
384 * toplev.h (trim_filename): Declare.
385 * rtl.c (rtl_check_failed_bounds): Call internal_error.
386 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
387 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
388 (rtvec_check_failed_bounds): Likewise.
389 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
391 * convert.c (convert_to_integer): Don't do unsigned unless result or
392 both inputs are unsigned.
394 * fold-const.c (fold_convert): Don't call size_int_type_wide if
397 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
399 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
401 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
403 * Makefile.in (resource.o): Add params.h dependence.
404 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
405 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
406 * resource.c: Add dependence on params.h.
407 (current_live_regs): Fix explanatory comment.
408 (find_basic_block): Add new parameter to permit limiting search
410 (mark_target_live_regs): Add new argument to find_basic_block call.
411 (incr_ticks_for_insn): Likewise.
413 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
415 * diagnostic.c (output_to_stream): Rename to
416 output_buffer_to_stream. Loses the stream parameter.
417 (init_output_buffer): Set diagnosic_buffer's stream.
418 (flush_diagnostic_buffer): Adjust.
419 (default_print_error_function): Likewise.
420 (finish_diagnostic): Likewise.
421 (verbatim): Likewise.
423 * diagnostic.h (struct output_buffer): Add `stream' field.
424 (output_buffer_attached_stream): New macro.
426 2001-02-23 Jakub Jelinek <jakub@redhat.com>
428 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
429 check if either operand is divisible by C.
430 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
431 If type is signed, consider negative numbers as well.
433 2001-02-22 Richard Henderson <rth@redhat.com>
435 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
436 reach .text instead of gp-relative relocs.
437 * config/ia64/crtend.asm (.init): Likewise.
439 2001-02-22 Andreas Jaeger <aj@suse.de>
441 * extend.texi (C++ Attributes): Fix typo.
443 2001-02-21 David Mosberger <davidm@hpl.hp.com>
445 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
446 functions, drop current_function_args_info.words test.
447 (ia64_compute_frame_size): Mark syscall_linkage functions as
448 using eight input registers.
450 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
451 Bruce Korb <bkorb@gnu.org>
453 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
454 * fixinc/README: Document how to convert sed substitutions
455 to format style c_fix-es.
456 * fixinc/fixincl.x: regen
458 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
460 * gcc.c: Add comment explaining how to add a command-line option.
461 Add title to specs language comment.
463 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
465 * gcc.c (cc1_options): Add "-param".
466 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
467 (option_map): Likewise.
468 * toplev.c (display_help): Add entry for "--param".
469 (independent_decode_option): Fix typographical error.
471 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
472 Bernd Schmidt <bernds@redhat.com>
473 Jan Hubicka <jh@suse.cz>
475 * i386.c (function_arg_advance): Pass SSE arguments in registers.
476 (function_arg): Likewise.
478 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
480 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
482 2001-02-21 Kazu Hirata <kazu@hxi.com>
484 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
488 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
490 * flow.c (init_propagate_block_info): Canon address and use single_set
491 for killing dead memory stores.
493 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
495 * Makefile.in (reorg.o): Add params.h dependence.
496 * params.def: Fix typographical error in comment.
497 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
498 * params.h: Modify introductory comment.
499 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
500 * reorg.c: Add dependence on params.h.
501 (redundant_insn): Add parameterized throttle for search.
502 (fill_simple_delay_slots): Add a comment explaining a variable.
503 Move conditional out of loop, simplifying code.
504 (fill_eager_delay_slots): Fix typographical error in comment.
506 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
508 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
510 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
511 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
513 2001-02-21 Jason Merrill <jason@redhat.com>
515 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
516 (struct tree_decl): Add uninlinable bitfield.
517 * c-decl.c (duplicate_decls): Set it.
518 * integrate.c (function_cannot_inline_p): Check it.
520 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
521 DW_AT_MIPS_linkage_name to abstract methods.
522 (dwarf2out_abstract_function): Emit class context before calling
523 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
524 (gen_subprogram_die): Remove obsolete code.
525 (gen_member_die): Don't include clones in the member list.
526 (gen_decl_die): Emit abstract info for clone origin.
527 * dwarfout.c (output_type): Don't include clones in the member list.
528 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
529 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
530 DECL_ABSTRACT on a function that already has it set.
532 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
533 (get_subprogram_die): Pass it in.
535 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
537 * flow.c (mark_set_1): Make not_dead unsigned long. For
538 non-pseudos, use it as a bitmask of the hard regs that
541 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
543 * cppfiles.c: Update comments.
544 (_cpp_read_file): Don't check for NULL filenames any more.
545 * cppinit.c (cpp_start_read): Don't do canonicalization of
546 in_fname and out_fname. Use the passed file name exclusively.
547 (_cpp_handle_options): Don't treat "-" as a command line option,
548 but as a normal filename.
549 (_cpp_post_options): Canonicalize in_fname and out_fname.
550 * cppmain.c (printer_init): Don't check out_fname for NULL.
551 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
552 (init_c_lex): Update, and use "" to represent stdin to CPP.
555 2001-02-20 Will Cohen <wcohen@redhat.com>
557 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
558 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
559 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
562 2001-02-20 Stan Shebs <shebs@apple.com>
564 * config/rs6000/rs6000.c (output_cbranch): Output branches
565 on separate lines instead of using ';' to separate.
567 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
569 * cppinit.c (set_lang): Move builtin handling to...
570 (init_builtins): ...here.
571 (_cpp_create_reader): Move call to set_lang.
573 2001-02-20 Mark Mitchell <mark@codesourcery.com>
575 * stmt.c (expand_return): If an attempt is made to return the
576 error_mar_node, treat the return like a return without a value.
578 2001-02-19 Zack Weinberg <zackw@stanford.edu>
580 * sibcall.c (skip_copy_to_return_value): Call
581 identify_call_return_value here, and return orig_insn if it
582 returns zero. Hardret and softret arguments now unnecessary.
583 (call_ends_block_p): Don't call identify_call_return_value here.
585 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
587 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
588 * ggc.h (ggc_mark_if_gcable): Delete prototype.
590 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
592 * pa.c (move_operand): Accept code to load the address of a
593 symbol out of the DLT as a valid move operand.
594 (print_operand, case 'A'): New to handle generating a DLT
595 reference for a LO_SUM expression.
596 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
597 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
599 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
601 * README, cpp.texi, gcc.texi, version.c: Update version number to
603 * cpp.1, gcov.1, gcc.1: Regenerate.
605 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
607 * cppfiles.c (stack_include_file): Generate dependencies
608 here, and manage include_count here too.
609 (PRINT_THIS_DEP): Delete.
610 (_cpp_execute_include): Do not generate dependencies here,
611 apart from the case of a missing header. Do not manage
613 (_cpp_read_file): Leave dependency generation to
616 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
618 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
619 target_cpu_default. Remove dead assignment to
622 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
624 * regclass.c (contains_reg_of_mode): Make global.
625 (init_reg_sets): Remove contains_reg_of_mode; take into account
626 CLASS_MAX_NREGS when looking for the proper mode.
627 (dump_regclass): Dump only classes considered for the pseudo.
628 (regclass): Use contains_reg_of_mode.
630 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
632 * gcc.c (do_spec_1): 'n' for printing notices.
633 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
635 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
637 * reg-stack.c (next_flags_user): Use current_block->end
638 (swap_rtx_condition): Look for next user if flags don't die;
639 give up on CALL_INSNs; use current_block->end.
641 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
643 * sibcall.c (call_ends_block_p): New function.
644 (optimize_sibling_and_tail_recursive_call): Use it.
646 2001-02-18 Kazu Hirata <kazu@hxi.com>
648 * config/h8300/h8300.md: Update copyright.
649 (andsi3): Do not output an extra newline character.
651 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
653 * toplev.c (note_deferral_of_defined_inlined_function): Argument
654 FNDECL may be unused.
656 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
657 follow jumps after first run.
658 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
659 it doesn't change any jumps.
661 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
663 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
664 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
665 (mostlyclean): Corresponding changes.
666 * rtlanal.c (hard-reg-set.h): Include.
667 (rtx_unstable_p): Do not treat the argument pointer specially
668 if it is not a fixed register.
669 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
671 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
673 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
674 against last real insn in basic block.
675 Rework to avoid gotos.
677 * Makefile.in (gcse.o): Now includes ggc.h.
678 * gcse.c: Include ggc.h.
679 (want_to_gcse_p): Verify expression can be in SET as valid insn.
680 (try_replace_reg): Remove warning of uninitialize variable.
681 (process_insert_insn): Call invalid_insn_p to validate insn.
682 * recog.c (insn_invalid_p): Now global.
683 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
684 * recog.h (insn_invalid_p): New declaration.
686 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
688 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
689 assignments from FP constants since 'Y' output code can't handle it.
690 (eligible_for_sibcall_delay): Likewise.
692 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
693 Call fancy_abort directly, passing args.
694 (print_rtl_and_abort): Now a macro, like fancy_abort.
696 * final.c (output_operand_lossage): Use internal_error, not error.
698 2001-02-18 Shane Nay <shane@agendacomputing.com>
700 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
701 structure shift insns.
703 2001-02-18 Mark Mitchell <mark@codesourcery.com>
705 * invoke.texi (-fsquangle): Remove documentation.
706 (-fname-mangling-version): Likewise.
708 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
710 * optabs.c (expand_abs): Remove reference to
711 HAVE_contitional_arithmetic.
712 * combine.c (simplify_set): Likewise.
714 2001-02-18 Richard Henderson <rth@redhat.com>
716 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
719 2001-02-18 Richard Henderson <rth@redhat.com>
721 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
723 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
725 * reload1.c (reload_cse_simplify_set): Fix typo.
727 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
729 * diagnostic.c (_fatal_insn): Decrement errorcount.
731 * invoke.texi (-I): Add note avoiding use for system header files.
733 * rtl.h (add_clobbers): Remove duplicate declaration.
734 * recog.h (added_clobbers_hard_reg_p): New declaration.
735 * genemit.c (struct clobber_pat): New field has_hard_reg.
736 (gen_insn): Record if added clobbers clobber hard reg.
737 (gen_split): Avoid unused warning if number of operands is 0.
738 (output_added_clobbers_hard_reg_p): New function.
741 2001-02-18 Alan Modra <alan@linuxcare.com.au>
743 * pa.c (hppa_expand_prologue): Simplify code storing return
744 pointer. For large (>=8k) frames with a post_store, adjust stack
745 pointer by 8k-64 first rather than by 64. When testing with
746 VAL_14_BITS_P, always use the actual value rather than the value
747 negated. Add blockage to prevent scheduling of spills before
748 stack frame has been created.
749 (hppa_expand_epilogue): Simplify code loading return pointer.
750 Allow a slightly larger range for merge_sp_adjust_with_load case.
751 When testing with VAL_14_BITS_P, always use the actual value.
753 * pa.c (pa_adjust_insn_length): Check that block move
754 pattern is a set before looking at operands.
756 2001-02-17 Mark Mitchell <mark@codesourcery.com>
758 * fold-const.c (fold_binary_op_with_conditional_arg): New
759 function, split out from ...
761 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
762 conditional arms that throw exceptions.
764 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
767 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
769 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
770 define HAVE_DECL_* to 1 to mask potential backup declarations.
771 * configure: Regenerated.
773 2001-02-17 Mark Mitchell <mark@codesourcery.com>
775 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
777 2001-02-17 Richard Henderson <rth@redhat.com>
779 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
780 when replacing a memory load with a register.
782 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
783 Jan Hubicka <jh@suse.cz>
785 * recog.c (validate_replace_src_1): New.
786 (validate_replace_src_data): Likewise.
787 (validate_replace_src): Use note_uses.
788 * rtl.h (note_uses): Declare.
789 * rtlanal.c (note_uses): New.
791 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
793 * reg-stack.c (stack_def): Make field reg unsigned.
794 (remove_regno_note): Unsignetize parameter.
796 2001-02-16 Jes Sorensen <jes@linuxcare.com>
798 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
799 shladd_operand() call.
801 2001-02-16 Bruce Korb <bkorb@gnu.org>
802 Rodney Brown <RodneyBrown@mynd.com>
804 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
805 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
807 * fixinc/fixincl.x: regen
809 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
811 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
813 (hash_scan_insn): Clean up calls to hash_scan_set.
814 (compute_kill_rd): REGNO now unsigned.
815 (try_replace_reg): Rework to use simplify_replace_rtx.
816 (cprop_jump, cprop_cc0_jump): Likewise.
817 (cprop_insn): Call find_reg_equal_equiv_note.
818 Reflect changes to cprop_jump and cprop_cc0_jump.
820 * recog.c (validate_replace_src): Replace in operands of
821 ZERO_EXTRACT in SET_DEST.
823 * cse.c (new_label_ref): New variable.
824 (insert): Set it instead of recorded_label_ref.
825 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
826 CODE_LABEL for this function, and not already in REG_LABEL note.
828 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
830 * resource.c (mark_referenced_resources): Fix typo in introductory
832 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
835 2001-02-16 Jason Merrill <jason@redhat.com>
837 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
839 (gen_subprogram_die): Don't abort on seeing a second definition if
840 the previous one was abstract. Don't replace an abstract instance
843 * dwarf2out.c (dwarf2out_abstract_function): Rename from
844 gen_abstract_function.
845 * dwarf2out.h: Declare it.
846 * toplev.c (note_outlining_of_inline_function): New fn.
847 * toplev.h: Declare it.
848 * integrate.c (output_inline_function): Call it.
849 * c-decl.c (duplicate_decls): Call it when redefining an extern
850 inline. Don't inline the new defn.
852 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
854 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
856 * .gdbinit: Rename to gdbinit.in.
857 * gdbinit.in: New file,
858 * configure.in: Generate .gdbinit from gdbinit.in.
859 * configure: Regenerated.
860 * Makefile.in (distclean): Always remove .gdbinit.
862 2001-02-16 Jakub Jelinek <jakub@redhat.com>
864 * objc/objc-act.c (start_class): Register implemented_classes with
867 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
869 * cppfiles.c (_cpp_make_system_header): Generate a file
872 2001-02-15 Jim Meyering <meyering@lucent.com>
874 * Makefile.in (install-common): Don't depend on installdirs here.
875 Instead, make each of the lang.install-common targets (e.g.,
876 c++.install-common in cp/Make-lang.in) depend on it.
877 (install-driver): Depend on installdirs.
879 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
881 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
883 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
886 2001-02-15 Mark Mitchell <mark@codesourcery.com>
888 * invoke.texi (--param): Document.
890 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
892 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
894 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
896 * i386.md (extendsfdf2_2): Fix constraints.
898 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
900 * i386.md (fop_df_3 splitter): Fix operand number.
902 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
904 * invoke.texi (-mreg-alloc): Nuke.
905 * i386.c (ix86_reg_alloc_order, regs_allocated,
906 order_regs_for_local_alloc): Nuke.
907 (override_options): Kill reg_alloc code.
908 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
909 (REG_ALLOC_ORDER): SSE goes before I387.
910 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
911 (ix86_reg_alloc_order): Likewise.
912 * i386-protos.h (ix86_reg_alloc_order): Kill.
914 2001-02-14 Richard Henderson <rth@redhat.com>
916 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
918 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
920 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
922 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
924 * i386-protos.h (ix86_memory_move_cost): Move offline.
925 * i386.c (ix86_register_move_cost): Compute properly cost of
926 SSE, MMX and i387 instructions.
927 (*_cost): Add costs of SSE/MMX moves.
928 (ix86_memory_move_cost): Move offline from ....; Likewise.
929 * i386.h (MEMORY_MOVE_COST): .... here;
930 (struct processor costs): Add new fields to represent costs
933 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
935 * regclass.c (init_reg_sets_1): Reinstall the optimization of
936 move_cost together with Matt Kraai's fix.
938 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
940 * Makefile.in (OBJS): Add params.o.
942 2001-02-14 Richard Henderson <rth@redhat.com>
943 DJ Delorie <dj@redhat.com>
945 * jump.c (jump_optimize_1): When we delete a conditional jump
946 preceeding a non-conditional jump to effectively the same place,
947 make sure that the combined jump skips any clobber insns between
950 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
952 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
954 2001-02-14 Mark Mitchell <mark@codesourcery.com>
956 * Makefile.in (toplev.o): Depend on params.h.
957 (intergate.o): Likewise.
958 (params.o): New target.
959 * flags.h (inline_max_insns): Remove.
960 * integrate.c: Include params.h.
961 Use MAX_INLINE_INSNS instead of inline_max_insns.
962 * params.c: New file.
963 * params.h: Likewise.
964 * params.def: Likewise.
965 * toplev.c: Include params.h.
966 (lang_independent_params): New variable.
967 (decode_f_option): Use the param machinery instead of setting
969 (independent_decode_option): Handle "--param name=value".
970 (main): Register language-independent parameters.
972 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
974 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
976 2001-02-14 Richard Henderson <rth@redhat.com>
978 * regclass.c (init_reg_sets_1): Revert last two changes.
980 2001-02-14 Jakub Jelinek <jakub@redhat.com>
982 * stor-layout.c (is_pending_size, put_pending_size): New functions.
983 (variable_size): Call put_pending_size.
984 * tree.h (is_pending_size, put_pending_size): Add prototypes.
985 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
986 sizes list, put newly created SAVE_EXPR there as well.
988 2001-02-14 Jakub Jelinek <jakub@redhat.com>
990 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
991 (errata_find_address_regs): load_group has only 2 entries.
992 (errata_emit_nops): Likewise. shladd is not problematic.
993 Clear last_group if nop was emitted.
994 (fixup_errata): load_group has only 2 entries.
997 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
999 * c-lex.c (lex_number): Only warn traditionally for U suffix
1000 outside system macros.
1001 * cppexp.c (parse_number): Similarly.
1002 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1003 * cppmacro.c (struct cpp_macro): New member node.
1004 (parse_args): Only warn about missing rest args if not
1006 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1007 (cpp_sys_objmacro_p): New.
1008 (_cpp_create_definition): Store the node with the macro defn.
1009 Remember if the macro is defined in a system header.
1011 2001-02-13 DJ Delorie <dj@redhat.com>
1013 * configure.in (check_languages): determine languages to check
1014 * Makefile.in (check-c++): alias for check-g++
1015 (check-f77): alias for check-g77
1016 (CHECK_TARGETS): depend on configured languages
1018 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1020 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1021 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1022 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1023 (sqrtextendsfdf2): Disable for SSE2.
1025 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1027 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1028 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1029 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1030 (sqrtextendsfdf2): Disable for SSE2.
1032 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1034 * i386.md (movsfcc_1): Support integer cmove instruction.
1035 (movdfcc_1): Likewise; new splitter.
1037 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1039 * i386.c (output_fp_compare): Support SSE.
1040 (prepare_fp_compare_args): SSE comparisons always support memory.
1041 * i386.h (TARGET_CMOVE): SSE imply cmove.
1042 * i386.md (cmp?f2): Enable for SSE too.
1043 (cmpfp_i*): Support SSE.
1045 (cmpfp_i_sse_only): New.
1046 (s*, b* fp expanters): Enable for SSE too.
1047 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1050 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1052 * regclass.c (init_reg_sets_1): Silence warning.
1054 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1056 * i386.md (sqrt?f2): Change to expander.
1057 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1059 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1061 * rtlanal.c (find_reg_equal_equiv_note): New function.
1062 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1063 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1064 * rtl.h: Add declarations for above functions.
1066 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1068 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1070 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1071 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1072 * flow.c (mark_regs_live_at_end): Likewise.
1073 (calculate_global_regs_live): Likewise.
1074 * gcse.c (compute_hash_table): Likewise.
1075 (compute_kill_rd): Likewise.
1076 * resource.c (mark_target_live_regs): Likewise.
1077 * rtl.h (INVALID_REGNUM): New macro.
1079 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1081 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1083 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1085 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1088 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1090 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1092 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1093 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1094 (fop_sf_1_sse, fop_df_1_sse): New patterns
1095 (fop_*): Disable float_extend and float patterns for SSE compilation.
1096 * i386.c (output_387_binary_op): Support SSE.
1098 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1100 * i386.md (dummy_extendsfdf2): Support SSE2
1101 (extendsfdf2): Enable if 80387 or SSE2.
1102 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1103 and no MIX_I387_SSE2
1104 (extendsfdf2_1_sse_only): New pattern.
1105 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1107 (truncdfsf2_1): Support SSE.
1108 (truncdfsf2_2): Support SSE.
1109 (truncdfsf2_2_1_sse): New pattern.
1110 (fixtruncsfsi2): Always use SSE if available.
1111 (fix_truncsfsi_sse): New pattern.
1112 (fix_truncdfsi_sse): New pattern.
1113 (floatsis?f2): Support SSE.
1114 (floatsidf2_i387): New pattern.
1115 (floatsidf2_sse): Likewise.
1117 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1119 * configure.in: Use "have_gnat" variable, not "gnat".
1120 * configure: Regenerated.
1122 * config/sparc/sparc.c (function_value): Treat all non-record
1123 aggregate types like used to treat UNION_TYPE.
1125 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1127 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1128 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1130 (MASK_MIX_SSE_I387): New.
1131 (TARGET_SSE): SSE2 imply SSE.
1132 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1133 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1134 (enum reg_class): Add new classes.
1135 (REG_CLASS_NAMES): Likewise.
1136 (REG_CLASS_CONTENTS): Likewise.
1137 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1138 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1139 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1140 (CLASS_MAX_NREGS): Use new macros.
1141 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1142 * i386.md (pushsf, movsf): Support SSE.
1143 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1144 splitters to use ANY_FP_REGNO_P.
1145 (movdf_nointeger, movdf_integer): Likewise.
1147 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1149 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1150 (try_combine): Use it.
1152 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1154 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1155 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1156 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1157 (REGISTER_MOVE_COST): Likewise.
1158 * i386-protos.h (ix86_secondary_memory_needed,
1159 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1160 * i386.c (ix86_secondary_memory_needed,
1161 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1163 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1165 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1166 (HARD_REGNO_MODE_OK): Move offline to ....
1167 * i386.c (ix86_hard_regno_mode_ok) ... here;
1168 refuse all incorrect modes.
1169 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1171 2001-02-13 Richard Henderson <rth@redhat.com>
1173 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1174 entire operator; replicate that and match_dup the operands.
1175 (cmp_ccx_arith_op_set): Likewise.
1176 (cmp_cc_arith_op_not_set): Likewise.
1177 (cmp_ccx_arith_op_not_set): Likewise.
1179 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1181 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1183 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1185 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1186 (TARGET_NO_BITFIELD_WORD): New macro.
1187 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1188 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1190 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1192 * cselib.c: New file, from simplify-rtx.c.
1193 * simplify-rtx.c: Remove cselib parts.
1194 * Makefile.in: Add cselib.o.
1196 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1198 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1199 (setup_incoming_varargs): Remove warning.
1201 * config/rs6000/rs6000.c (validate_condition_mode): When
1202 flag_fast_math, allow floating-point conditionals to be reversed.
1203 (rs6000_generate_compare): When flag_fast_math, don't generate
1204 cror operations for FP conditionals.
1206 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1208 (ASM_SPEC): Likewise.
1209 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1210 (CC1_SPEC): Likewise.
1211 (LINK_TARGET_SPEC): Likewise.
1212 (CPP_ENDIAN_SPEC): Likewise.
1213 * Makefile.in (check-consistency): New target.
1215 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1217 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1218 "return type defaults" warning for functions with return type
1220 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1221 function declarations by default rather than only when pedantic.
1223 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1225 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1228 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1230 * extend.texi (Deprecated): Deprecate new initializer lists.
1232 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1234 * mkdeps.c (deps_add_default_target): Robustify. Add
1235 basename component only.
1236 * cpp.texi (-M): Describe how default target is generated.
1237 * invoke.texi (-M): Likewise.
1239 2001-02-12 Kazu Hirata <kazu@hxi.com>
1241 * toplev.c (push_float_handler): Remove.
1242 (pop_float_handler): Remove.
1243 * toplev.h: Remove prototypes for the above functions.
1245 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1247 * c-common.c (constant_fits_type_p): New function.
1248 (convert_and_check): Use it.
1250 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1252 * Makefile.in (GXX_ABI_FLAG): Don't define.
1253 * configure.in (--enable-new-gxx-abi): Remove option.
1254 * config.in: Regenerated.
1255 * configure: Likewise.
1257 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1259 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1261 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1262 regular basic block, and arrange for all edges into it to switch
1265 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1267 * Makefile.in (distclean): Do not remove .gdbinit.
1269 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1271 * Makefile.in (gcc.o): Fix typos.
1272 (protize.o): Likewise.
1273 (unprotoize.o): Likewise.
1275 2001-02-11 Richard Henderson <rth@redhat.com>
1277 * tree.c (build1): Check for null operand in last change.
1279 2001-02-11 Richard Henderson <rth@redhat.com>
1281 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1282 (fold): Don't assume a constant isn't foldable.
1283 * tree.c (build): Set TREE_CONSTANT for an expression with no
1284 side-effects and constant operands.
1287 2001-02-10 Richard Henderson <rth@redhat.com>
1289 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1291 2001-02-10 Anthony Green <green@redhat.com>
1293 * cpp.texi (Standard Predefined): Add documentation for
1296 * c-common.c (combine_strings): Improve warning message.
1298 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1300 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1302 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1304 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1306 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1309 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1311 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1314 2001-02-09 Nick Clifton <nickc@redhat.com>
1316 * config/arm/arm.md: Change output contraint on post inc
1317 load/store multiple patterns to be a read/write contraint.
1319 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1321 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1322 .o files when using the -M options.
1324 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1325 David Edelsohn <edelsohn@gnu.org>
1327 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1328 handle DImode constants. Use one TOC entry for SImode and smaller
1329 constants, aligned properly.
1331 2001-02-08 Jason Merrill <jason@redhat.com>
1333 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1334 about the SP adjustment for saving the static chain pointer.
1335 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1336 offset when setting a temporary CFA register.
1338 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1340 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1341 powerpc-*-chorusos* .
1342 * config/rs6000/chorus.h : New file.
1343 * config/i386/chorus.h : New file.
1344 * config/sparc/chorus.h : New file.
1345 * config/sparc/t-chorus-elf : New file.
1347 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1349 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1350 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1351 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1352 (__WCHAR_TYPE__): Correct macro name.
1354 2001-02-08 Richard Henderson <rth@redhat.com>
1356 * config/i386/i386.c (ix86_frame_pointer_required): New.
1357 (ix86_setup_frame_addresses): New.
1358 (struct machine_funciton): Add accesses_prev_frame.
1359 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1360 ix86_frame_pointer_required.
1361 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1362 (SETUP_FRAME_ADDRESSES): New.
1363 * config/i386/i386-protos.h: Update.
1364 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1365 from FRAME_POINTER_REQUIRED.
1366 * config/i386/svr3gas.h: Likewise.
1367 * config/i386/sysv3.h: Likewise.
1368 * config/i386/v3gas.h: Likewise.
1370 2001-02-08 Richard Henderson <rth@redhat.com>
1372 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1373 calculation of the number of integer registers required.
1374 (function_arg_record_value): Likewise.
1376 2001-02-08 Jason Merrill <jason@redhat.com>
1378 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1379 two. Print file and line with "confused" message.
1381 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1383 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1385 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1387 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1389 * final.c (cleanup_subreg_operands): The address of a MEM can
1392 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1395 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1397 * gcc.texi (Incompatibilities): Update documentation of
1398 preprocessing numbers.
1400 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1402 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1404 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1406 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1408 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1409 * gcc.c (struct compiler): Add cpp_spec field.
1410 (input_file_compiler): New variable.
1411 (do_spec_1): Allow a particular compiler to handle `%C'
1413 (main): Store the current compiler in input_file_compiler.
1414 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1416 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1418 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1419 * cppinit.c (cpp_create_reader): Initialize them.
1420 (append_include_chain): cxx_aware arg might be unused.
1421 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1422 keywords and give them their phase 7 meaning. Pedwarn about
1423 this unless '__bool_true_false_are_defined' is defined.
1425 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1427 * lcm.c (optimize_mode_switching): Emit mode_set before the
1428 JUMP_INSN of an abnormal edge.
1430 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1432 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1433 a scheduling barrier at the end.
1435 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1437 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1439 * config/sh/sh.md (reload_outsf): Removed.
1440 (movsf_ie): Introduce constraints for FPUL loads and stores.
1441 (reload_insf): Broaden the output constraint.
1443 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1445 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1446 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1448 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1450 * final.c: Revert my previous changes.
1451 * output.h: Make profile_label_no extern.
1452 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1453 for generating label.
1455 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1457 * config/i386/djgpp.h: Add comments about standard paths.
1458 (MD_EXEC_PREFIX): Undefine before defining.
1459 (MD_STARTFILE_PREFIX): New.
1461 2001-01-30 Bruce Korb <bkorb@gnu.org>
1463 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1464 (load_file): do not rely on load_file_data() to close file pointer
1465 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1466 fixinc/inclhack.def(irix_limits_const): add test_text
1468 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1470 * cppexp.c (parse_defined): Improve diagnostics for invalid
1473 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1475 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1477 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1479 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1480 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1481 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1482 (rs6000_output_symbol_ref): New function.
1483 (output_toc): Use VTABLE_NAME_P.
1485 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1487 * print-tree.c (print_node, case PARM_DECL):
1488 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1490 * stor-layout.c (reference_types_internal): New variable.
1491 (internal_reference_types): New function.
1492 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1493 * tree.h (internal_reference_types): New declaration.
1495 * cse.c (find_best_addr): Fix typo in computing cost.
1497 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1499 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1500 and this is the sum of a pointer and a constant, we know the result
1502 (num_sign_bit_copies, case PLUS): Likewise.
1503 * explow.c (convert_memory_address): Remove opposite SUBREG.
1504 * function.c (instantiate_new_reg): New function (from common code).
1505 (instantiate_virtual_regs_1): Call it.
1506 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1507 if pointers sign- or zero-extend.
1508 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1509 If pointers extend unsigned, use inside of SUBREG.
1510 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1512 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1514 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1515 subdir of gcc_gxx_include_dir.
1516 (gcc_gxx_target_include_dir): Remove.
1518 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1520 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1521 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1522 a high-level description.
1524 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1526 * final.c: Move the declaration of profile_label_no to ...
1527 * output.h: ... here.
1528 * function.c (expand_function_start): Call PROFILE_HOOK.
1529 * config/rs6000/aix.h: Define PROFILE_HOOK.
1530 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1531 * config/rs6000/rs6000.c (output_profile_hook): Define.
1532 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1533 output_profile_hook.
1534 tm.texi : Explain new macro PROFILE_HOOK.
1536 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1538 * extend.texi (Extended Asm): Do not say that semicolon is always
1539 a valid line-breaking character for GNU assemblers. Use
1540 newline-tab as the most commonly supported syntax. Use
1541 newline-tab rather than semicolon in multi-insn examples.
1543 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1545 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1547 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1548 David Edelsohn <edelsohn@gnu.org>
1550 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1551 code for AIX, even without flag_pic.
1553 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1555 * c-typeck.c (common_type): push and pop binding level around
1556 calling common_type on function parameters.
1558 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1560 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1562 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1564 * config/mips/mips.c (override_options): Fix typo in last change.
1565 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1566 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1568 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1570 * invoke.texi (-fdump-class-layout): Document.
1571 (-fdump-translation-unit): Use `=' as filename separator.
1573 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1575 * Makefile.in (s-mlib): Don't build multilibs if
1577 (DRIVER_DEFINES): Adjust accordingly.
1579 (protoize.o): Likewise.
1580 (unprotoize.o): Likewise.
1581 * configure.in: Recognize --enable-multilib.
1583 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1585 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1587 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1588 * configure.in: Remove --enable-libstdcxx_v3 support.
1589 * configure: Regenerated.
1591 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1593 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1594 Call abort instead of fatal.
1595 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1596 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1597 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1598 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1599 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1600 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1602 * diagnostic.h (set_internal_error_function): Renamed.
1603 * toplev.h (internal_error): Renamed from fatal.
1604 (pfatal_with_name): Deleted.
1605 (fatal_io_error): Now has printf-style arguments.
1606 * diagnostic.c (pfatal_with_name): Deleted.
1607 (fatal_io_error): Rework to have args in printf-style.
1608 (set_internal_error_function): Renamed from set_fatal_function.
1609 (internal_error): Renamed from fatal.
1610 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1611 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1612 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1613 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1614 * flow.c (verify_flow_info): Likewise.
1615 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1616 * config/mips/mips.c (save_restore_insns): Likewise.
1618 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1619 * flow.c (verify_flow_info): Likewise.
1620 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1621 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1622 (avr_normalize_condition): Likewise.
1623 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1624 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1625 (limit_reload_class, double_reg_to_memory): Likewise.
1626 (print_operand_address, emit_1600_code_shift): Likewise.
1627 (gen_tst_reg, gen_compare_reg): Likewise.
1628 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1629 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1631 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1633 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1634 * objc/objc-act.c (build_ivar_chain): Likewise.
1635 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1637 * graph.c (clean_graph_dump_file): Likewise.
1638 * profile.c (init_branch_prob): Likewise.
1639 * objc/objc-act.c (objc_init): Likewise.
1641 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1642 * config/avr/avr.c (avr_override_options): Likewise.
1643 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1644 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1645 * config/h8300/h8300.c (h8300_init_once): Likewise.
1646 * config/mips/mips.c (override_options): Likewise.
1647 * config/i386/i386.c (override_options): Likewise, rework.
1648 * config/m68k/m68k.c (override_options): Likewise.
1650 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1652 * config/mips/mips.c (print_operand): Likewise.
1653 * hash.c (hash_allocate): Don't check for failure returns from
1654 obstack functions that can't fail.
1655 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1656 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1657 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1658 (get_object_reference): Likewise.
1660 2001-02-04 Nick Clifton <nickc@redhat.com>
1662 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1663 StrongARM1110, 10TDMI, and 1020T.
1665 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1667 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1669 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1671 * config/sh/sh.md (movdf load split): Pass register number to
1672 FP_OR_XD_REGISTER_P.
1674 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1676 * cppinit.c (BC): New macro.
1677 (builtin_array): Add __GXX_WEAK__.
1678 * cpplib.h (builtin_type): Add BT_WEAK.
1679 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1680 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1681 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1683 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1685 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1687 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1689 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1690 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1692 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1694 * cpphash.h: Rename ALIGN _ALIGN.
1695 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1697 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1699 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1700 compilation environment.
1701 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1702 control over location of cygwin includes and libs.
1704 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1706 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1708 2001-02-02 lars brinkhoff <lars@nocrew.org>
1710 * md.texi (Standard Names): remove reference to spur.md.
1712 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1714 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1715 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1716 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1717 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1718 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1720 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1722 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1723 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1724 number before reload.
1725 (c4x_adjust_cost): Return zero before reload.
1726 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1727 split before reload.
1729 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1731 * c4x.c (c4x_hard_regno_rename_ok): New.
1732 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1733 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1735 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1737 * diagnostic.h: Add missing "extern" in all declarations.
1739 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1741 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1742 as for gcc_gxx_include_dir.
1744 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1746 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1748 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1750 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1751 label before alignment to be used as the braf base address.
1752 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1754 (casesi_jump_2): Require at least TARGET_SH2.
1756 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1757 truncation to 32-bit doubles on -m3e and -m4-single-only.
1759 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1761 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1762 the default when building a shared object.
1763 (init_spec): Use it.
1764 * testsuite/lib/g++.exp: Include the directory where libgcc
1765 is located to the LD_LIBRARY_PATH list.
1766 * invoke.texi (-shared-libgcc): Document the cases in which
1767 GCC defaults to using the shared libgcc.
1769 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1771 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1772 unsigned is wide enough.
1774 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1775 (si_to_float): Likewise.
1776 (float_to_si, float_to_usi): Use BITS_PER_SI.
1778 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1780 * dwarf2out.c: Added explanation of abbreviations.
1781 (def_cfa_1): Added comments listing DWARF2 instructions.
1782 (cfa_temp_reg): Removed in favor of cfa_temp.
1783 (cfa_temp_value): Removed in favor of cfa_temp.
1784 (cfa_temp): New global variable.
1785 (dwarf2out_frame_debug_expr): Added extensive introductory
1786 comments explaining the function's transformations. Revised to
1787 use cfa_temp. Added some rtx checking. Generalize IOR case.
1788 (dwarf2out_frame_debug): Revised to use cfa_temp.
1789 (output_aranges): Cast as "unsigned" to avoid warning.
1790 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1791 explain which instructions must be marked.
1793 2001-02-01 Richard Henderson <rth@redhat.com>
1795 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1798 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1800 * config/sh/crt1.asm (main_k): Modified so that start calls
1801 ___setup_argv_and_call_main.
1803 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1805 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1806 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1807 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1808 * cppmacro.c (builtin_macro): Set builtin flags here.
1809 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1810 (replace_args): Clarify intent.
1811 (cpp_get_token): Macro expansion tokens get the saved flags.
1813 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1816 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1818 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1821 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1823 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1824 returns Pmode pseudo, but we need ptr_mode.
1825 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1826 Remove bogus conversions; use HOST_WIDE_INT for size.
1827 Don't use TARGET if wrong mode.
1829 * config/i386/i386.c (ix86_compute_frame_size): Allow
1830 stack_alignment_needed to be non-default even if size is zero.
1832 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1834 * (hppa_init_pic_save): Emit the pic offset table
1835 reg save after last_parm_insn.
1836 * pa.c (hppa_init_pic_save): New function.
1837 * pa.h (hppa_init_pic_save): Declare.
1838 * pa.md (call, call_value, sibcall, sibcall_value): Use
1839 the above instead of duplicated code.
1841 * pa.c (hppa_encode_label): Correct size of alloca buffer
1842 so we don't overrun it. Correct leading `*' case.
1843 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1844 need to handle `*@'.
1845 (FUNCTION_NAME_P): Likewise.
1847 2001-01-31 Richard Henderson <rth@redhat.com>
1849 * config.gcc (alpha-osf5): Use float-i128.h.
1851 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1852 * config/float-i32.h: Likewise.
1853 * config/float-i64.h: Likewise.
1854 * config/float-sh.h: Likewise.
1855 * config/float-sparc.h: Likewise.
1857 2001-01-31 DJ Delorie <dj@redhat.com>
1859 * expmed.c (extract_bit_field): allow non-integral modes if we
1860 want to extract a whole register from itself.
1862 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1864 * c-typeck.c (set_init_index): If first is equal to last, assume as
1865 if it was not a range at all.
1867 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1869 * config/fp-bit.c: Include tm.h.
1870 (float_to_si): Don't assume SImode is 32-bits wide.
1871 (float_to_usi): Likewise.
1873 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1875 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1877 (typename): Call pending_xref_error after parsing typed_typespecs.
1878 * c-decl.c (lookup_tag): Give error immediately rather than
1879 leaving it pending if the tag of the wrong type is in the same
1881 (xref_tag): Don't pedwarn for forward declarations of enum types
1883 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1886 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1888 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1890 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1892 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1893 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1895 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1897 * cpphash.h (struct cpp_reader): New saved_flags.
1898 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1899 to avoid a paste after a pasted token.
1901 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1903 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1904 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1905 Wtype_MIN instead of LONG_MIN.
1907 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1909 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1911 * fixinc/fixincl.x: Regenerated.
1912 * fixinc/inclhack.def (irix_limits_const): New definition to
1913 convert "const" to "__const" in limits.h.
1915 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1917 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1919 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1921 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1922 when register dies in the insn.
1924 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1926 * diagnostic.c (fatal): Fix word wrap.
1928 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1930 * combine.c (try_combine): Fix SUBREG setting for
1931 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1933 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1935 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1938 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1940 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1942 * toplev.c (decode_W_option): Update warn_larger_than
1943 unconditionally for each processed switch.
1945 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1947 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1949 (hppa_expand_prologue): Delete code to save pic offset table register
1950 in the function prologue.
1951 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1952 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1953 table register at the beginning of the function after the prologue.
1955 2001-01-29 lars brinkhoff <lars@nocrew.org>
1957 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1959 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1960 Jeff Law <law@redhat.com>
1962 * pa.md (return): Revise comment for trivial return.
1963 (return_internal): Non-trivial return pattern for non-PIC code.
1964 (return_internal_pic): Non-trivial return pattern for PIC code.
1965 It uses the PIC register to ensure it is restored after
1967 (epilogue): Generate appropriate return for PIC and non-PIC code.
1969 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1971 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1973 2001-01-29 DJ Delorie <dj@redhat.com>
1975 * combine.c (if_then_else_cond): Pass the correct mode to
1976 operand_subword() for constants.
1978 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1980 * config/i386/cygwin.h: Add w32api to include search. Search different
1981 directories in a cross-build environment.
1983 2001-11-29 Tim Josling <tej@melbpc.org.au>
1985 * tree.h (TYPE_STUB_DECL): Add documentation.
1987 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1989 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1990 (sdbout_field_types): Likwise. Fix use of host_integerp.
1992 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1994 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1997 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1999 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2000 to use flag_gnu_linker.
2002 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2004 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2005 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2007 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2009 * tree.c, tree.h (build_parse_node): Remove; was identical to
2011 * c-lang.c (start_cdtor), objc/objc-act.c
2012 (build_module_descriptor): Use build_nt instead of
2015 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2017 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2018 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2019 not have any upper bits set.
2021 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2023 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2025 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2027 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2029 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2031 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2032 (integer_minus_one_node): Define.
2034 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2036 * Makefile.in (bootstrap2-lean): Fix typo.
2038 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2040 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2041 : Don't set fe_value.
2042 * cpplib.h (AVOID_LPASTE): New flag.
2043 (struct cpp_hashnode): Remove fe_value.
2044 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2045 * cppmacro.c (builtin_macro): Don't set flags here.
2046 (replace_args): Set AVOID_LPASTE flag on first token of an
2047 argument, and the token following it.
2048 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2049 macro expansion, and on the token following it. Do it for
2051 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2053 2001-01-27 Richard Henderson <rth@redhat.com>
2055 * config/alpha/t-ieee: Remove multilibbing.
2056 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2058 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2060 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2062 * Makefile.in: Remove all dependencies on defaults.h.
2063 * builtins.c: Don't include defaults.h.
2064 * c-common.c: Likewise.
2065 * c-decl.c: Likewise.
2066 * c-pragma.c: Likewise.
2067 * c-typeck.c: Likewise.
2068 * combine.c: Likewise.
2070 * frame-ia64.c: Likewise.
2071 * cppexp.c: Likewise.
2072 * crtstuff.c: Likewise.
2073 * dbxout.c: Likewise.
2074 * dwarf2out.c: Likewise.
2075 * dwarfout.c: Likewise.
2076 * emit-rtl.c: Likewise.
2077 * except.c: Likewise.
2079 * final.c: Likewise.
2080 * frame-dwarf2.c: Likewise.
2081 * libgcc2.c: Likewise.
2082 * optabs.c: Likewise.
2083 * profile.c: Likewise.
2084 * sdbout.c: Likewise.
2085 * toplev.c: Likewise.
2086 * tradcif.y: Likewise.
2088 * varasm.c: Likewise.
2090 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2092 * builtins.c (expand_builtin_fputs): Use size_one_node when
2093 transforming into fwrite.
2095 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2097 * extend.texi (Attribute Syntax): New section.
2099 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2101 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2102 they didn't need fixing.
2104 2001-01-27 Janis Johnson <janis@us.ibm.com>
2106 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2108 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2109 to remove macro definitions that are duplicated from elfos.h.
2111 2001-01-27 Richard Henderson <rth@redhat.com>
2113 * config/i386/sco5gas.h: Move ...
2114 * config/usegas.h: ... here.
2115 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2117 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2119 * c-typeck.c (struct constructor_stack): Add range_stack member.
2120 (really_start_incremental_init): Clear it.
2121 (push_init_level): Save constructor_range_stack and clear it if
2122 pushing explicit braces.
2123 (pop_init_level): abort if constructor_range_stack is non-zero at
2124 explicit closing brace. Restore saved constructor_range_stack if
2127 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2129 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2130 into register was forced into memory.
2132 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2134 * Makefile.in: Remove uses of + before $(MAKE).
2136 2001-01-26 Richard Henderson <rth@redhat.com>
2138 * stmt.c (cost_table): Remove.
2139 (COST_TABLE, cost_table_initialized): New.
2140 (estimate_case_costs): Use the later instead of the former.
2141 (balance_case_nodes): Likewise.
2143 2001-01-26 Richard Henderson <rth@redhat.com>
2145 * alias.c (objects_must_conflict_p): Read-only slots may not
2146 conflict despite having the same type.
2148 2001-01-27 Michael Hayes <mhayes@redhat.com>
2150 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2152 (check_ext_dependant_givs): Initialise u_start_val and
2154 (load_mems): Make last_max_reg unsigned.
2155 (try_swap_copy_prop): Use INSN_P and initialise set.
2157 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2159 * README.AVR : Removed.
2161 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2163 * pa-64.h (text_section): Remove declaration.
2165 * pa.md (return_internal): Remove mode on PIC register use.
2167 2001-01-25 lars brinkhoff <lars@nocrew.org>
2169 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2170 ASM_CLOSE_PAREN): fix typos.
2172 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2174 * acconfig.h: Define `const' to the empty string if neither
2175 __STDC__ nor __cplusplus is defined.
2176 * config.in: Regenerated.
2178 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2180 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2181 * collect2.c (main): Delete importf. Add ".obj" file extension.
2182 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2183 (aix_std_libs): Add additional AIX libraries to skip.
2184 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2185 * config/rs6000/aix51.h: New file.
2187 2001-01-25 Michael Hayes <mhayes@redhat.com>
2189 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2190 (loop_insn_emit_before): No longer static.
2191 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2192 (loop_givs_rescan, load_mems): Likewise.
2193 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2194 (maybe_eliminate_biv_1):
2195 (move_movables): Replace emit_call_insn_before with
2196 loop_call_insn_hoist.
2197 * loop.h (loop_insn_emit_before): Add.
2198 * unroll.c (copy_loop_body): Replace emit_insn_before with
2199 loop_insn_emit_before.
2201 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2203 * diagnostic.c (fatal): Request preprocessed source.
2205 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2207 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2208 olddecl has argument types and newdecl has none, use the argument
2211 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2213 * dwarf2out.c (prefix_of): New function. Determine longest common
2214 prefix of the two arguments. The units are whole path components.
2215 (output_file_names): When adding a new directory find the one entry
2216 with the longest common prefix already in the list. Artificially
2217 generate entry if there is none for this prefix.
2218 Fix test to check whether the zeroth directory entry is used.
2220 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2222 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2223 Changed all callers. Take it into account when deciding if a
2224 previously loaded value matches.
2226 2001-01-24 Richard Henderson <rth@redhat.com>
2228 * reload.c (find_reloads_subreg_address): Fail the substitution
2229 if the resulting address is insufficiently aligned.
2231 2001-01-24 DJ Delorie <dj@redhat.com>
2233 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2234 check the original operand's mode also.
2235 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2237 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2239 * c-parse.in (cast_expr): Move compound literals from here ...
2240 (primary): ... to here. Use standard terminology "compound
2241 literal" instead of "constructor expression".
2243 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2245 * gcc.1, cpp.1: Regenerate.
2247 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2249 * calls.c (emit_library_call_value_1): Memory slot for
2250 pass-by-reference argument should have the mode of the argument,
2251 not of the pointer to it.
2253 2001-01-24 Tom Tromey <tromey@redhat.com>
2255 * gcc.texi (G++ and GCC): Mention gcj manual.
2256 (Standards): Link to section of manual mentioning gcj/Java
2259 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2261 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2262 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2263 * tradcpp.c (main): Add -imacros or -include'd dependencies
2265 * cpp.texi (-M, -MM): Document -M -include behaviour.
2267 2001-01-24 Roger Collins <roger@ProProject.com>
2269 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2271 2001-01-24 Will Cohen <wcohen@redhat.com>
2273 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2274 whether registers are 32 bits or 64 bits in size.
2276 2001-01-24 Ben Elliston <bje@redhat.com>
2278 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2280 2001-01-24 Richard Henderson <rth@redhat.com>
2282 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2283 (builtin_longjmp): Use it instead of emit_indirect_jump.
2285 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2287 * bb-reorder.c (make_reorder_chain_1): Handle case where
2288 jump edge goes to the same block as the fallthru edge.
2290 2001-01-23 Jim Wilson <wilson@redhat.com>
2292 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2293 * frame.h (__ia64_personality_v1): Add prototype.
2294 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2295 prototype form. Add void * cast to first argument to personality
2297 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2298 (asctoe113): Likewise.
2299 * config/ia64/frame-ia64.c: Include eh-common.h.
2300 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2302 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2304 (itanium_split_issue): Add prototype.
2305 (gen_nop_type): Ifdef out.
2306 (find_best_packet): Initialize best_packet.
2307 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2309 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2310 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2311 (flushrs): Add explicit stop bit at end.
2312 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2315 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2317 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2319 * libgcc2.c (__terminate_func): Make variable static.
2320 (__terminate_set_func): New function to set __terminate_func.
2321 * libgcc2.h (__terminate_func_ptr): New typedef.
2322 (__terminate_set_func): New function.
2324 2001-01-23 Richard Henderson <rth@redhat.com>
2326 * flow.c (init_propagate_block_info): Don't consider unchanging
2327 memories for dead frame store elimination.
2329 2001-01-23 Richard Henderson <rth@redhat.com>
2331 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2332 * defaults.h: ... here.
2334 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2336 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2338 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2340 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2342 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2344 * rs6000.h (rs6000_return_addr): Move prototype from here...
2345 * rs6000-protos.h (rs6000_return_addr): ...to here.
2346 (rs6000_init_expanders): Delete prototype.
2348 2001-01-23 Nick Clifton <nickc@redhat.com>
2350 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2351 (Spec Files): Document %B and %j and %. and %v3 and %M and
2352 %{S*&T} spec switches.
2354 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2356 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2358 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2359 Neil Booth <neil@daikokuya.demon.co.uk>
2361 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2362 Have -Werror make pedantic warnings errors, like the
2365 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2367 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2369 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2371 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2372 * integrate.c (expand_inline_function): Initialize them.
2373 (subst_constants): If changing COMPARE so that both its arguments
2374 will be VOIDmode and the comparison mode will be lost, note
2375 compare_mode. Use the recorded compare_mode to optimize
2378 2001-01-23 Jason Merrill <jason@redhat.com>
2380 * dwarf2out.c (new_die): Use xcalloc.
2381 (output_die): Abort rather than emit a local reference to offset 0.
2383 2001-01-17 Andrew Haley <aph@redhat.com>
2385 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2386 of a saved register; return NULL instead.
2387 (copy_reg): Take a pointer to a source register rather than a
2389 (next_stack_level): Remember the address in the stack frame of all
2391 Use the saved register pointer array as the source of the CFA.
2392 (throw_helper): Rewrite. Unwind once rather than twice and keep
2393 track of saved registers as we go.
2395 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2397 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2398 * c4x.c (c4x_legitimize_reload_address): Remove.
2399 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2400 reload address for ldp(k) insn.
2402 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2404 * pa.md (return_internal): Add a USE of the PIC register to ensure
2405 it is restored after each call.
2406 (return expander): Corresponding changes.
2408 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2410 * rs6000.h (INIT_EXPANDERS): Delete.
2411 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2412 * rs6000.c (rs6000_override_options): Call *_machine_status from
2414 (rs6000_init_expanders): ...instead of here. Delete.
2415 (rs6000_mark_machine_status): New function.
2416 (rs6000_init_machine_status): Use xcalloc.
2417 (rs6000_return_addr): Generate RTX for the return address.
2418 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2419 (rs6000_stack_info): Use it.
2421 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2423 * gthr-win32.h: Include errno.h to get a declaration for
2424 EINVAL and _mingw.h if the target is mingw32.
2426 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2428 * cpp.texi: Correct typos.
2430 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2432 * explow.c (probe_stack_range): Ensure value passed to
2433 stack_check_libfunc is ptr_mode, not Pmode.
2435 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2437 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2438 case, don't use operand_subword to calculate a SUBREG that is
2441 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2443 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2445 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2446 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2447 valid. If not replace it by equivalent insns.
2449 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2451 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2452 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2453 (c4x_U_constraint, symbolic_address_operand): Likewise.
2454 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2456 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2457 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2458 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2459 anulling slot because of silicon bug.
2460 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2462 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2464 * cppexp.c (parse_charconst): Change `mask' type to agree
2467 2001-01-21 Richard Henderson <rth@redhat.com>
2469 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2470 pic_label_name in a linkonce section.
2472 2001-01-17 Philipp Thomas <pthomas@suse.de>
2474 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2476 * configure: Regenerate.
2478 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2480 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2481 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2483 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2485 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2486 If REVERSE nonzero then condition code in X must be reversed.
2487 (encode_section_info): Optimise if/else.
2488 (avr_function_value): Fix formatting.
2490 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2491 (difficult_branch): Likewise.
2492 (rvbranch): Likewise.
2493 (difficult_rvbranch): Likewise.
2495 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2497 * config/avr/libgcc.S: Fix comment.
2499 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2501 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2503 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2505 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2507 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2509 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2510 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2511 * configure, config.in: Regenerate.
2512 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2513 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2514 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2515 (doprint.o): New rule.
2517 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2519 * c-typeck.c (digest_init): Handle boolean types as scalars.
2521 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2523 * stmt.c (expand_return): Don't return anything if size is zero.
2524 Delete redundant assignment to BYTES.
2525 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2527 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2529 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2530 the same as the default library function names.
2531 * config/avr/avr.md: Document special characters after '%'.
2532 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2533 knowing which of the call-used registers are really clobbered.
2534 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2535 New. Both quotient and remainder from one libgcc.S call.
2536 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2537 clobber as few registers as possible.
2538 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2540 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2542 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2543 context of the top of the stack.
2545 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2547 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2548 (fixup_var_refs_insns): ...here.
2550 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2552 * function.c (fixup_var_refs_insns): Break up into
2553 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2554 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2555 [loop over hash table entries].
2556 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2557 fixup_var_refs_insns_with_hash, to match above changes.
2559 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2561 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2562 (libgcc.a): Likewise.
2563 (stmp-multilib): Likewise.
2564 (STAGE2_FLAGS_TO_PASS): Likewise.
2566 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2568 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2569 temporary if no_new_pseudos.
2571 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2573 * cppinternals.texi: Update.
2575 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2577 * arm.c (arm_init_builtins): Re-enable builtins.
2579 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2581 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2582 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2583 element to be null, and always expect an EXPR_LIST.
2584 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2585 * sched-deps.c (sched_analyze_1): Likewise.
2586 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2588 * regclass.c (max_set_parallel): New variable.
2589 (reg_scan): Take it into account in computation of max_parallel.
2590 (reg_scan_mark_refs, case SET): Compute it.
2592 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2594 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2595 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2597 2001-01-19 Jason Merrill <jason@redhat.com>
2599 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2600 for the abstract instance of an inline function.
2602 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2603 J"orn Rennecke <amylaar@redhat.com>
2605 * reload1.c (move2add_note_store): Treat all registers directly or
2606 indirectly derived from a base register as members of the same set
2608 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2609 of base register into account.
2611 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2613 * alias.c (find_base_value): Recognize TRUNCATE.
2614 (record_set): In PLUS case, invalidate if other summand is also a
2617 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2619 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2620 entry to be EXPR_LIST.
2621 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2622 be an EXPR_LIST (but not null, which other code doesn't allow).
2623 (note_stores): Properly handle PARALLEL in SET.
2624 Recursively call for top-level PARALLEL.
2625 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2626 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2628 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2630 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2632 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2633 not pfile->skipping (== 0).
2635 2001-01-17 Nick Clifton <nickc@redhat.com>
2637 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2640 2001-01-17 Jim Wilson <wilson@redhat.com>
2642 * invoke.texi (IA-64 options): Improve.
2644 2001-01-17 Tom Tromey <tromey@redhat.com>
2646 * invoke.texi (Optimize Options): Use `{}' to around @samp
2649 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2651 * invoke.texi (-fno-guess-branch-probability): New option.
2653 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2655 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2656 case of making new double-word constant.
2657 Revert last change: instead just test i3_subst_into_i2.
2659 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2661 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2662 Use q constraints instead of r.
2664 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2666 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2667 (machine_function): Define.
2668 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2669 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2670 pa_free_machine_status): New functions.
2671 (override_options): Set {init,mark,free}_machine_status to above.
2672 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2673 PIC_OFFSET_TABLE_REGNUM_SAVED.
2674 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2675 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2676 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2677 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2678 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2680 2001-01-15 DJ Delorie <dj@redhat.com>
2682 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2686 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2688 * flow.c (propagate_on_insn): Make trying to delete a prologue
2689 or epilogue insn an ICE, not a warning. Allow doing this if
2690 the current function returns with stack pointer depressed.
2692 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2693 I3 having more than one SET.
2695 2001-01-16 Jim Wilson <wilson@redhat.com>
2697 * invoke.texi: Document IA-64 options.
2699 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2700 (fixup_errata): Delete TARGET_A_STEP use.
2701 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2702 (TARGET_SWITCHES): Delete -ma-step option.
2703 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2704 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2705 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2706 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2707 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2708 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2710 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2711 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2712 cmovsi_internal): Delete ! TARGET_A_STEP check.
2714 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2716 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2717 possibility to report bugs via postal mail. Change a URL and
2718 merge in a nearly duplicate statement...
2719 (Bug Reporting): ...from here.
2720 (Service): Refer to the Bug Reporting section instead of
2722 (Contributing): Remove trivial explanations concerning snapshots.
2724 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2726 * cppmain.c (general_init): Don't use ANSI prototype.
2728 2001-01-16 Tom Tromey <tromey@redhat.com>
2730 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2732 2001-01-16 Richard Henderson <rth@redhat.com>
2734 * config/i386/i386.h: Fix comment typo.
2735 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2736 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2738 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2740 * gcc.c: Revert previous -fsyntax-only-related change; move
2743 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2745 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2746 inmode after checking GET_CODE (op).
2748 2001-01-16 Richard Henderson <rth@redhat.com>
2750 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2751 (MAX_MEM_SET_LIST_LEN): New.
2752 (propagate_one_insn): Update mem_set_list_len.
2753 (invalidate_mems_from_autoinc): Likewise.
2754 (invalidate_mems_from_set): Likewise.
2755 (mark_used_regs): Likewise.
2756 (init_propagate_block_info): Likewise. Stop collecting memories
2757 when we reach MAX_MEM_SET_LIST_LEN.
2758 (mark_set_1): Likewise.
2760 2001-01-16 Richard Henderson <rth@redhat.com>
2762 * unroll.c (precondition_loop_p): Fail if no iteration
2765 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2767 * gcc.c: When -fsyntax-only is given, do not complain about
2770 2001-01-15 Richard Henderson <rth@redhat.com>
2772 * config/i386/i386.c (asm_output_function_prefix): Remove.
2773 (ix86_asm_file_end): New.
2774 (load_pic_register): Generate pic_label_name into a
2775 staticly allocated buffer.
2776 * config/i386/i386-protos.h: Update.
2777 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2778 (ASM_FILE_END): New.
2779 * config/i386/i386afe.h: New file.
2780 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2781 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2782 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2783 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2784 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2785 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2786 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2788 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2790 * Makefile.in (install-man): Remove explicit dependency on
2793 * configure.in, configure: Revert previous patch requiring perl
2796 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2798 * toplev.c (flag_guess_branch_prob): New.
2799 (f_options): Add guess-branch-probability option.
2800 (rest_of_decl_compilation): Only estimate branch probability if
2802 (main): set flag_guess_branch_prob.
2804 * flags.h (flag_guess_branch_prob): New.
2806 2001-01-15 DJ Delorie <dj@redhat.com>
2808 * gcc.texi (Makefile): Add documentation for Makefile targets.
2810 2001-01-15 Philip Blundell <philb@gnu.org>
2812 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2814 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2815 (is_pic): Delete declaration.
2816 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2817 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2818 * config/arm/arm.md (builtin_setjmp_receiver): New.
2820 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2822 * arm.c (use_return_insn): Don't try to determine the function type
2823 until after reload has completed.
2824 (arm_output_epilogue): Don't adjust the sp value recovered from the
2826 (emit_multi_reg_push): Don't record dwarf information for the pc.
2827 * arm.md (eh_epilogue): The function type may have changed, so it
2828 needs to be recalculated.
2829 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2830 unwind tables on arm/netbsd.
2832 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2834 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2835 (negated_cbranchsi4): Likewise.
2837 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2839 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2840 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2841 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2842 pass -mapcs-* options to assembler.
2843 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2844 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2845 (ASM_SPEC): Call subtarget_extra_asm_spec.
2847 2001-01-15 Andreas Jaeger <aj@suse.de>
2849 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2851 (ix86_expand_builtin): Likewise.
2853 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2854 warning about comparison between signed and unsigned.
2856 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2858 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2860 2001-01-14 Ralf Baechle <ralf@gnu.org>
2862 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2863 SUBTARGET_CPP_SPEC apropriatly.
2865 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2867 * varasm.c (make_decl_rtl): Fix typo in last change.
2869 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2871 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2872 linker supports the init_priority C++ attribute.
2873 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2874 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2875 linker does not support init_priority C++ attribute.
2877 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2879 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2881 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2883 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2884 * cp/lex.c (finish_parse): Similarly.
2885 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2886 Return the number of errors encountered.
2887 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2888 * cppmain.c (main): Don't call cpp_destroy.
2890 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2892 * configure.in: Require at least perl 5.6.0 to regenerate
2894 * configure: Regenerate.
2896 2001-01-14 Richard Henderson <rth@redhat.com>
2898 * genrecog.c (DT_veclen_ge): New.
2899 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2900 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2901 (nodes_identical_1): Handle DT_veclen_ge.
2902 (write_cond, debug_decision_2): Likewise.
2904 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2906 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2908 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2910 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2912 * cppmain.c (do_preprocessing): New function; most of the old
2914 (main): Call it to do most of the work.
2915 (cb): Move from global scope to set_callbacks ().
2916 (setup_callbacks): Get the callback pointer.
2917 (general_init, printer_init): Clean up code and comments.
2919 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2921 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2924 2001-01-14 Kazu Hirata <kazu@hxi.com>
2926 * config/h8300/h8300.c (get_shift_alg): Update comments.
2928 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2930 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2931 (alloc_page, ggc_alloc): Add casts to remove warnings.
2933 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2935 * combine.c (simplify_comparison): Don't change `code' when
2936 can't reverse comparison.
2938 2001-01-14 Richard Henderson <rth@redhat.com>
2940 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2941 update all call sites. Return true for all non-label constants.
2943 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2945 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2947 (ix86_expand_branch): Update.
2948 (ix86_expand_setcc): Update to handle multiple test conditions.
2949 (expand_int_movcc): Likewise.
2950 (expand_fp_movcc): Likewise.
2951 * i386-protos.h (ix86_expand_compare): New.
2952 * i386.md (andqi_?_slp, orqi_?_slp): New.
2953 (conditional trap expander): Update call to ix86_expand_compare.
2955 2001-01-14 Richard Henderson <rth@redhat.com>
2957 * config/vax/vax.md: Use nonimmediate_operand instead of
2958 general_operand in destinations.
2960 * config/vax/vax.md (indirect_jump): Use register_operand.
2962 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2963 * config/vax/vax.md (call_pop): Turn into an expander.
2964 (call_value_pop): Likewise.
2965 (call, call_value): New.
2967 2001-01-14 Andreas Jaeger <aj@suse.de>
2969 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2971 (ix86_fp_compare_mode): Add unused attribute.
2972 (ix86_expand_fp_movcc): Remove unused variable.
2973 (ix86_expand_builtin): Make fcode unsigned.
2975 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2976 (expand_expr): Add cast to avoid signed warning.
2977 (store_field): Likewise.
2978 (store_constructor_field): Likewise.
2979 (store_constructor): Likewise.
2980 (store_expr): Likewise.
2981 (clear_storage): Likewise.
2982 (emit_group_store): Likewise.
2983 (emit_group_load): Likewise.
2985 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2987 * c-common.c: Move format checking code to ...
2988 * c-format.c: ... here. New file. Reorder some functions and
2990 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2992 * c-common.h (decl_handle_format_attribute,
2993 decl_handle_format_arg_attribute): Declare.
2994 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2995 (c-common.o): Adjust dependencies.
2996 (c-format.o): New list of dependencies.
2998 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3000 * unroll.c (loop_iterations): If we cannot prove iteration variable
3001 is set once in each iteration, punt.
3003 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3005 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3006 (*strlenhi): Remove clobber (which was buggy) of output address.
3008 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3010 * Makefile.in (generated-manpages): Add gcc.1
3011 ($(srcdir)/gcc.1): New target.
3012 (maintainer-clean): Delete $(srcdir)/gcc.1.
3013 * gcc.texi: Add macros @gccoptlist and @gol.
3014 * invoke.texi: Include option summary in manpage. Mark up option
3015 summary with @gccoptlist and @gol. Use @r in one place where
3017 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3018 * gcc.1: Generate from invoke.texi.
3020 2001-01-13 Richard Henderson <rth@redhat.com>
3022 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3023 (struct page_entry): Add group member.
3024 (struct page_group): New.
3025 (struct globals): Add page_groups member.
3026 (alloc_anon): Only define for using mmap; remove valloc call.
3027 (page_group_index): New.
3028 (set_page_group_in_use): New.
3029 (clear_page_group_in_use): New.
3030 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3031 (free_page, release_pages): Likewise.
3032 * configure.in (with-gc): Default to ggc-page always.
3034 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3036 * reload1.c (replace_pseudos_in_call_usage): Use
3037 reg_equiv_constant and reg_equiv_address, and don't try
3038 regno_reg_rtx first.
3040 2001-01-13 Richard Henderson <rth@redhat.com>
3042 * ggc-page.c (alloc_page): Round up allocation size to one page.
3043 Set e->order on extra pages.
3045 2001-01-13 Richard Henderson <rth@redhat.com>
3047 * genrecog.c (nodes_identical): Expand commentary.
3048 (write_switch): Watch out for identical nodes.
3050 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3052 * cppfiles.c (_cpp_fake_include): New function.
3053 * cpphash.h (_cpp_fake_include): New.
3054 * cpplib.c (do_line): Call _cpp_fake_include when entering
3055 header files in preprocessed input.
3056 * cppmain.c (cb_pragma_implementation): Remove handling.
3057 (setup_callbacks): Don't register pragmas.
3059 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3061 * extend.texi: Udate for CPP.
3063 2001-01-13 Andreas Jaeger <aj@suse.de>
3065 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3067 * regmove.c: Add prototype for replace_in_call_usage.
3069 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3071 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3072 struct cpp_chunk, struct htab, struct toklist,
3073 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3074 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3075 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3076 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3077 (struct macro_args): Delete.
3078 * cpphash.h: See above.
3080 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3082 * cppmain.c (struct printer): Remove no_line_dirs.
3084 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3085 : Use options rather than CPP_OPTION.
3086 (setup_callbacks): Use cb rather than pfile->cb.
3087 (main): No need to check for a buffer. Use cpp_errors.
3088 (printer_init): Don't set no_line_dirs.
3089 (maybe_print_line): Use options not no_line_dirs.
3090 (cb_file_change): Don't call print_line if -P.
3092 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3094 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3096 * c-parse.in (finish_parse): Use cpp_errors.
3097 (__yylex): Use return value of cpp_pop_buffer.
3098 * cp/lex.c (finish_parse): Use cpp_errors.
3099 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3101 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3103 * README.AVR: URLs corrected.
3105 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3107 * c-decl.c (start_function): Don't warn if old prototype is builtin
3108 that's not in C's namespace.
3109 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3110 (_bb): Add prototype for ctime.
3111 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3113 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3115 * i386.c (ix86_fp_comparison_arithmetics_cost,
3116 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3117 ix86_fp_comparison_cost): New functions.
3118 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3119 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3120 two-branch sequences; make static.
3121 (ix86_use_fcomi_compare): Do decision according to the costs.
3122 (split_fp_branch): New.
3123 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3124 * i386-protos.h (ix86_expand_fp_compare): Remove
3125 (ix86_split_fp_branch): Declare.
3127 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3128 and ix86_comparison_operator.
3130 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3133 * i386.c (put_condition_code): Output properly the unordered/ordered
3134 compares in fp case.
3135 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3137 * tm.texi (REVERSE_CONDITION): Document.
3138 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3139 in -ffast-math mode.
3140 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3142 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3144 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3146 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3149 * config/sh/sh.c (mova_p): Fix test for mova_const.
3151 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3153 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3154 cpp_get_options rather than dereferencing pfile and using
3156 * scan-decls.c (scan_decls): Use return value of
3157 cpp_pop_buffer rather than CPP_BUFFER.
3159 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3161 * cppinit.c (cpp_handle_option): help_only is now part of the
3162 cpp_options structure.
3163 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3164 cpp_set_callbacks): New functions.
3165 * cpplib.h (cpp_callbacks): Break out as a named structure.
3166 (cpp_options): Move help_only here from cpp_reader.
3167 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3168 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3169 cpp_set_callbacks): New prototypes.
3170 * cppmain.c (main): Update for help_only.
3172 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3174 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3175 Also build and remove and install and uninstall c-tree.info and
3177 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3178 ($(srcdir)/cppinternals.info): New target.
3179 * c-tree.texi: Change file name used when makeinfo used without -o
3180 from ir.info to c-tree.info. Add info directory entry.
3181 * cppinternals.texi: Add info directory entry.
3182 * .cvsignore: Update.
3184 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3186 * c-typeck.c (store_init_value): Don't require constant initializer
3187 elements with -pedantic -std=c99.
3188 (digest_init): Change error about non-constant initializer elements
3190 (constructor_range_end): Remove.
3191 (constructor_incremental, designator_depth,
3192 designator_errorneous): New variables.
3193 (struct constructor_stack): Remove range_end, add incremental.
3194 (struct constructor_range_stack, constructor_range_stack): New.
3195 (struct initializer_stack): Add constructor_range_stack.
3196 (finish_init): Set it.
3197 (start_init): Likewise. require_constant_elements for non-static
3198 trees only if not flag_isoc99.
3199 (really_start_incremental_init): Remove constructor_range_end, add
3200 constructor_incremental.
3201 (pop_init_level): Likewise.
3202 (push_init_level): Likewise. If implicit and the subobject had some
3203 value set already, preinitialize the level with it.
3204 Warn about missing braces only if not pushing due to designators.
3205 (set_designator, push_range_stack): New functions.
3206 (set_init_label): Use them.
3207 (set_init_index): Likewise. Remove constructor_range_end.
3208 Error if designator index is outside of array bounds.
3209 (add_pending_init): Compare values of purpose index trees, not the
3210 trees themselves. Allow overwriting of already initialized element.
3211 Issue a warning if it had side-effects.
3212 (set_nonincremental_init, set_nonincremental_init_from_string): New
3214 (pending_init_member): Rename to...
3215 (find_init_member): ...this function. Call set_nonincremental_init
3216 if necessary. Compare values of purpose index trees, not the trees
3217 themselves. Return the actual value, not just non-zero if something
3219 (output_init_element): Remove checks for duplicates.
3220 If field has zero size, only check the initializer for correctness.
3221 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3222 if constructor_incremental is zero. Change error about initializers
3223 not computable at load time into pedwarn.
3224 (output_pending_init_elements): Compare bit positions, not
3225 FIELD_DECLs to take into account zero-sized fields.
3226 (process_init_element): Use constructor_range_stack to fill all
3227 ranges in the designator lists from current level up.
3228 * extend.texi: Update documentation for labeled elements.
3230 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3232 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3233 to function usage for arguments passed by reference. Optimize
3234 callee-copied arguments.
3235 * regmove.c (replace_in_call_usage): New function.
3236 (fixup_match_1): Call it.
3237 * cse.c (cse_insn): Canonicalize registers in function usage.
3238 * reload1.c (replace_pseudos_in_call_usage): New function.
3241 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3244 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3246 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3249 2001-01-12 DJ Delorie <dj@redhat.com>
3251 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3252 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3255 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3257 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3258 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3259 -std options alongside references to -ansi. Update some
3260 documentation for C99.
3261 * cpp.1: Regenerate.
3263 2001-01-12 Andreas Jaeger <aj@suse.de>
3265 * haifa-sched.c (restore_line_notes): Remove argument block B
3267 * sched-ebb.c (schedule_ebb): Change caller.
3268 * sched-rgn.c (schedule_region): Likewise.
3269 * sched-int.h (restore_line_notes): Adjust prototype.
3271 * loop.h: Remove wrong declaration of doloop_condition_get.
3273 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3275 * extend.texi: Move C++-extension-related node from the C section
3276 into the C++ section.
3278 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3280 * extend.texi: Refer to an array of pointers to functions instead
3281 of one of functions.
3283 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3284 Jan Hubicka <jh@suse.cz>
3286 * combine.c (reversed_comparison): Fix typo in last patch.
3288 (combine_reversed_comparison_code): Make static to follow
3289 prototype declaration.
3291 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3293 * install.texi: Remove misplaced duplicate entry.
3295 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3297 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3299 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3301 * final.c: (leaf_function_p): Fix typo.
3303 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3305 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3306 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3308 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3309 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3310 mmap_anon, and valloc is available.
3311 * ggc-page.c: Restructure ifdef logic to match new autoconf
3312 spec. Don't throw away the test page in init_ggc.
3314 * configure, config.in: Regenerate.
3316 2001-01-12 Michael Hayes <mhayes@redhat.com>
3318 * loop.h (total_biv_increment): Constify iv_class pointer.
3319 (struct induction): Replace `mem_mode' with `mem' rtx.
3320 * unroll.c (total_biv_increment): Constify iv_class pointer.
3321 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3322 (find_mem_givs, combine_givs_p): Likewise.
3323 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3325 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3327 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3329 (__gthread_getspecific): Ditto.
3331 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3333 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3334 put_condition_code): Convert fp comparison codes to integer
3336 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3339 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3340 * i386-protos.h (no_comparison_operator): Kill.
3342 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3344 * combine.c (REVERSIBLE_CC_MODE): Remove.
3345 (reversible_comparison_p): Remove.
3346 (combine_reversed_comparison_code): New.
3347 (reversed_comparison): New.
3348 (combine_simplify_rtx): Use
3349 combine_reversed_comparison_code/reversed_comparison instead
3350 of reversible_comparison_p.
3351 (simplify_if_then_else): Likewise.
3352 (simplify_set): Likewise.
3353 (simplify_logical): Likewise.
3354 (if_then_else_cond): Likewise.
3355 (known_cond): Likewise.
3356 (simplify_comparison): Likewise.
3358 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3360 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3361 sizeof (int) is larger than sizeof(__word__).
3363 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3365 * cppinit.c (do_includes): Fix typo.
3367 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3369 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3370 in S_REGS does not occur because not all sources are possible
3371 when a S_REGS is a destination (sometimes needs a clobber).
3372 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3373 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3374 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3375 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3376 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3377 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3378 (lshrdi_const1, lshrsi3_const16): Likewise.
3379 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3380 (*movhi_68hc12, *movqi_68hc12): Likewise.
3381 (movstrictqi): Make sure reloading in D_REGS as a destination
3384 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3386 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3388 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3390 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3391 -D, -U and -A, and don't initialize the builtins.
3392 (do_includes): Error if -include or -imacros with -fpreprocessed.
3393 * cppmain.c (cb_define, cb_undef): Unconditionally process
3395 * tradcpp.c (main): Fix typo.
3397 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3399 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3400 (read_name_map): Use IS_ABSOLUTE_PATH.
3401 * tradcpp.c (get_filename): Likewise.
3403 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3405 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3406 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3407 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3408 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3409 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3410 (cmphi_z_used): Don't use '@' for the output.
3411 (tstqi_z_used): Likewise.
3412 (cmpqi_z_used): Likewise.
3413 (one_cmplsi2): Likewise.
3415 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3417 * config/sh/sh.c (barrier_align): Recognize branch around far
3418 branch and redundant insn.
3420 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3422 * invoke.texi: Restore documentation of the drivers' switches -MD
3425 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3427 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3429 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3430 check-objc//%): Support parallel testing of multilibs.
3431 (TESTSUITEDIR): Set to testsuite by default, but override for
3433 (check-gcc, check-g++, check-g77, check-objc): Enter
3436 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3438 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3439 * sched-deps.c (deps_may_trap_p): Likewise.
3440 * basic-block.h: Remove a comment.
3441 * flow.c (PROP_POSTRELOAD): Remove.
3442 (update_life_info): Don't add it to prop_flags.
3443 (mark_set_1): Lose the code that was enabled by it.
3445 2001-01-11 Michael Hayes <mhayes@redhat.com>
3447 * flow.c (flow_call_edges_add): New.
3448 * basic_block.h (flow_call_edges_add): New.
3450 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3452 * reload1.c (move2add_note_store): Update reg_set_luid even if
3453 base reg remains the same.
3455 2001-01-10 Nick Clifton <nickc@redhat.com>
3457 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3458 machine_function structure to zero.
3459 Add prototypes for machine_status functions.
3461 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3463 * c-common.h (CTI_VOID_LIST): Remove.
3464 (void_list_node): Likewise.
3465 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3466 (void_list_node): New macro.
3467 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3468 * config/i386/i386.c (ix86_init_builtins): Likewise.
3469 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3471 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3473 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3474 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3476 * tradcpp.c: Include mkdeps.h.
3477 (deps, print_deps_phony_targets, deps_append, output_deps,
3478 init_dependency_output, output_deps): New.
3479 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3480 deps_output): Delete.
3481 (print_deps_missing_files): Rename deps_missing_files.
3482 (inhibit_output): Make global.
3483 (main): Delete inhibit_output, deps_stream, deps_target.
3484 Use mkdeps functionality in the same way as cpplib. Remove
3485 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3486 -M and -MM. Remove old handling of deps via deps_out, and
3487 old reading of environment variables.
3488 (get_filename): Update to use deps_add_dep.
3490 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3492 * output.h (make_function_rtl): Remove prototype.
3493 (make_decl_rtl): Likewise.
3494 * varasm.c (make_function_rtl): Remove.
3495 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3496 than from a third parameter.
3497 * tree.h (make_decl_rtl): Remove last parameter.
3498 * c-decl.c (builtin_function): Remove last argument in call to
3499 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3500 (start_function): Likewise.
3501 * except.c (call_get_eh_context): Likewise.
3502 * expr.c (emit_block_move): Likewise.
3503 (clear_storage): Likewise.
3504 * profile.c (output_func_start_profiler): Likewise.
3505 * toplev.c (rest_of_decl_compilation): Likewise.
3506 * objc/objc-act.c (create_builtin_decl): Likewise.
3507 (synth_module_prologue): Likewise.
3508 (generate_static_reference): Likewise.
3509 (build_selector_reference_decl): Likewise.
3510 (build_class_reference_decl): Likewise.
3511 (build_objc_string_decl): Likewise.
3512 (build_protocol_reference): Likewise.
3514 2001-01-10 Richard Henderson <rth@redhat.com>
3516 * hwint.h: Revert yesterday's change.
3518 2001-01-10 Nick Clifton <nickc@redhat.com>
3520 * function.h (save_machine_status): Delete.
3521 (restore_machine_status): Delete.
3522 Amend comment describing {init|mark|free}_machine_status.
3524 * function.c (save_machine_status): Delete.
3525 (restore_machine_status): Delete.
3526 Amend comment describing {init|mark|free}_machine_status.
3527 (push_function_context_to): Remove invocation of
3528 save_machine_status.
3529 (pop_function_context_from): Remove invocation of
3530 restore_machine_status.
3532 * emit-rtl.c (init_emit_once): Amend comment describing
3533 {init|mark|free}_machine_status.
3535 * tm.texi (Per-Function Data): New node. Describe the
3536 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3539 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3541 * cppinit.c (OPT_g): Remove.
3542 (cpp_handle_option): Update for removed -g3.
3543 (print_help): Update.
3544 * cpplib.h (struct cpp_options): Remove debug_output.
3545 * cppmain.c (setup_callbacks, cb_define): Update.
3546 * gcc.c (cpp_options): Translate -g3 to -dD.
3548 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3550 * config/i960/i960.md: Change modifier to + on the zero_extract
3551 pattern after the (rotate -2 reg) canonicalization pattern.
3553 2001-01-10 Richard Henderson <rth@redhat.com>
3555 * config/alpha/alpha.c (alpha_free_machine_status): New.
3556 (override_options): Install it.
3557 (alpha_mark_machine_status): Verify machine non-null.
3558 * config/i386/i386.c (ix86_free_machine_status): New.
3559 (override_options): Install it.
3560 (ix86_init_machine_status): Use xcalloc.
3561 (ix86_mark_machine_status): Verify machine non-null.
3562 * config/ia64/ia64.c (ia64_free_machine_status): New.
3563 (ia64_override_options): Install it.
3564 (ia64_mark_machine_status): Verify machine non-null.
3566 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3568 * function.c (instantiate_virtual_regs): Instantiate virtual
3569 registers found in CALL_INSN_FUNCTION_USAGE.
3571 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3573 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3574 equivalent to -ansi in disabling -Di386.
3576 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3578 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3580 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3582 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3584 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3586 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3588 * invoke.texi: Document that -fcond-mismatch isn't supported for
3591 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3593 * gcc.texi: Define macro gcctabopt.
3594 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3595 @command, @env and @option in some places where appropriate. Use
3596 @gcctabopt where appropriate. Put URLs and email addresses inside
3599 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3601 * gcc.c (cpp_options): Set MD file name from output
3602 filename, if specified.
3603 (suffix_subst): New static variable.
3604 (do_spec): Clear it.
3605 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3607 (give_switch): Handle suffix_subst.
3609 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3611 * invoke.texi: Fix another typo.
3613 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3615 * invoke.texi: Fix typo.
3617 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3619 * c-lang.c (lang_hooks): Update.
3620 (lang_decode_option): Remove.
3621 (lang_init_options): Rename c_init_options.
3622 * toplev.c (main): Use lang_hooks for lang_init_options
3623 and lang_decode_option.
3624 * toplev.h (lang_hooks): Add 2 new hooks.
3625 * tree.h: Remove lang_init_options and lang_decode_option.
3626 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3627 * cp/decl2.c: Similarly.
3628 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3629 (lang_hooks): Update.
3630 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3632 (lang_init_options): Rename ffe_init_options.
3633 (lang_hooks): Update.
3634 (lang_decode_option): Remove.
3635 * java/lang.c (lang_init_options): Rename java_init_options.
3636 (lang_decode_option): Rename java_decode_option.
3637 (lang_hooks): Update.
3638 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3639 (lang_decode_option): Rename objc_decode_option.
3640 (lang_hooks): Update.
3642 2001-01-09 Nick Clifton <nickc@redhat.com>
3644 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3645 (d30v_return_addr_rtx): Delete.
3646 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3647 cfun->machine structure.
3648 (struct machine_function): Move to d30v.h
3649 (d30v_save_machine_status): Delete.
3650 (d30v_restore_machine_status): Delete.
3651 (d30v_init_machine_status): New Function.
3652 (d30v_mark_machine_status): New Function.
3653 (d30v_free_machine_status): New Function.
3654 (d30v_init_expanders): Use new functions.
3655 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3656 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3657 d30v_return_addr_rtx.
3659 * config/d30v/d30v.h (struct_machine): Move here.
3660 Add eh_epilogue_sp_ofs field.
3662 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3663 field in cfun->machine structure.
3665 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3667 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3668 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3669 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3671 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3673 * objc/lang-options.h: Remove bogus reference to
3676 2001-01-09 Kazu Hirata <kazu@hxi.com>
3678 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3681 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3683 * reload.c (find_reloads_address): Check for eliminable registers
3684 when substituting a constant expression for a pseudo.
3686 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3688 * c-common.c (enum format_type): Add format_type_error.
3689 (decode_format_type): New function.
3690 (decl_attributes): Use it.
3691 (format_kind_info): Adjust comment.
3693 2001-01-09 David O'Brien <obrien@BSDi.com>
3695 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3696 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3698 * config/i386/gnu.h: Don't include required platform specific .h files,
3699 tm.h will do it instead.
3700 * config/i386/i386elf.h: Likewise.
3701 * config/i386/linux.h: Likewise.
3702 * config/i386/moss.h: Likewise.
3703 * config/mips/gnu.h: Likewise.
3705 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3707 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3708 (rs6000-ibm-aix3.[01]*): Likewise.
3709 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3710 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3711 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3712 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3713 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3714 (powerpc-*-eabiaix*): Likewise.
3715 (powerpc-*-eabisim*): Likewise.
3716 (powerpc-*-elf*): Likewise.
3717 (powerpc-*-eabi*): Likewise.
3718 (powerpc-*-rtems*): Likewise.
3719 (powerpc-*-linux*libc1): Likewise.
3720 (powerpc-*-linux*): Likewise.
3721 (powerpc-wrs-vxworks*): Likewise.
3722 (powerpcle-wrs-vxworks*): Likewise.
3723 (powerpcle-*-sysv*): Likewise.
3724 (powerpcle-*-elf*): Likewise.
3725 (powerpcle-*-eabisim*): Likewise.
3726 (powerpcle-*-eabi*): Likewise.
3727 (powerpcle-*-solaris2*): Likewise.
3728 * config/rs6000/aix31.h: Delete includes.
3729 * config/rs6000/aix3newas.h: Likewise.
3730 * config/rs6000/aix41.h: Likewise.
3731 * config/rs6000/aix43.h: Likewise.
3732 * config/rs6000/beos.h: Likewise.
3733 * config/rs6000/rtems.h: Likewise.
3734 * config/rs6000/sysv4.h: Likewise.
3736 2001-01-09 Kazu Hirata <kazu@hxi.com>
3738 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3739 Change an argument mode of machine_mode to shift_mode of
3740 shift_mode. Remove an extra error check.
3741 (emit_a_shift): Adopt to the new calling prototype of
3743 (function_prologue): Fix code for a monitor
3744 function. Support H8/S.
3745 (function_epilogue): Do not output pop for a monitor function.
3747 2001-01-09 Nick Clifton <nickc@redhat.com>
3749 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3750 (setup_incoming_varargs): Use sysv_varargs_p field of the
3751 cfun->machine structure.
3752 (struct machine_function): Move to rs6000.h
3753 (rs6000_save_machine_status): Delete.
3754 (rs6000_restore_machine_status): Delete.
3755 (rs6000_init_machine_status): New Function.
3756 (rs6000_free_machine_status): New Function.
3757 (rs6000_init_expanders): Use new functions.
3759 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3761 (struct machine_function): Move here.
3763 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3764 sysv_varargs_p field of the cfun->machine structure.
3766 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3768 (rs6000_restore_machine_status): Remove prototype.
3770 2001-01-09 Richard Henderson <rth@redhat.com>
3772 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3773 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3774 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3775 (sched_analyze_2, sched_analyze_insn): Likewise.
3776 (sched_analyze, init_deps): Likewise.
3777 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3778 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3779 (compute_block_backward_dependences): Update propagate_deps call.
3781 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3783 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3785 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3787 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3788 (cpp_handle_option): Handle them.
3789 (cpp_post_options): Ensure one of -M or -MM is specified with
3790 any other -M? option.
3791 (init_dependency_output): Suppress output with -MG.
3793 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3796 * invoke.texi: Update.
3798 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3800 * sh.md (reload_outsf): Generate recognizable patterns for
3803 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3805 * c-lang.c (lang_hooks): Update.
3806 (lang_init): Rename c_init.
3807 (lang_finish): Remove.
3808 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3810 * toplev.h (lang_hooks): Add init () and finish ().
3811 * tree.h (lang_init, lang_finish): Remove.
3812 * cp/tree.h (lang_init, lang_finish): Remove.
3813 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3814 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3816 (lang_init, lang_finish): Remove.
3817 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3818 (lang_hooks): Update.
3819 * java/lang.c (lang_init): Rename java_init.
3820 (lang_finish): Remove.
3821 (lang_hooks): Update.
3822 * objc/objc-act.c (lang_init): Rename objc_init.
3823 (lang_finish): Remove.
3824 (lang_hoooks): Update.
3826 20001-01-09 Graham Stott <grahams@redhat.com>
3828 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3829 after `ptr` is initialised.
3831 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3833 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3834 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3835 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3836 stack adjusts, instead of r3.
3838 2001-01-09 Michael Hayes <mhayes@redhat.com>
3840 * flow.c (flow_loop_scan): Break out of ...
3841 (flow_loops_find) ... here.
3842 * basic-block.h (flow_loop_scan): New.
3843 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3844 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3846 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3848 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3850 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3851 realloc()ing macro_buffer.
3853 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3854 if it's wider than long and the target's long is wider than the
3857 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3859 Remove support for using UWIN as a host machine.
3860 * configure.in: Issue an error message.
3861 * configure: Regenerated.
3862 * config.gcc: Remove xm_* UWIN configury.
3863 * config/i386/xm-uwin.h: Remove.
3865 2001-01-08 Nick Clifton <nickc@redhat.com>
3867 * config/v850/v850.c (ra_rtx): Delete.
3868 (v850_save_machine_status): Delete.
3869 (v850_restore_machine_status): Delete.
3870 (v850_init_machine_status): New function.
3871 (v850_mark_machine_status): New function.
3872 (v850_free_machine_status): New function.
3873 (v850_return_addr): Use ra_rtx field in machine structure.
3874 (v850_init_expanders): Use new functions.
3876 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3877 * config/v850/v850.c: Change arguments to v850_output+* functions
3878 to take a const char *, to avoid compile time warning.
3879 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3880 (USER_LABEL_PREFIX): Redefine.
3882 2000-01-08 Jim Wilson <wilson@redhat.com>
3884 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3885 1 to unsigned HOST_WIDE_INT before left shift.
3887 2001-01-08 Nick Clifton <nickc@redhat.com>
3889 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3890 the machine structure has been allocated.
3891 (arm_free_machine_status): New function: Free the machine
3892 specific function structure.
3894 2001-01-08 Richard Henderson <rth@redhat.com>
3896 * jump.c (simplejump_p): Revert last change.
3898 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3900 * cppinit.c (init): Rename init_library.
3901 (cpp_create_reader): Update.
3902 * gcc.c (cpp_options): If -o given, use it as the target of
3905 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3907 * arm.c (arm_arch5e): New variable.
3908 (all_cores): XScale is a 5TE device.
3909 (arm_override_options): Set arm_arch5e.
3910 (arm_init_builtins): __builtin_prefetch is in arch5e.
3911 * arm.h (arm_arch5e): Declare it.
3913 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3915 * arm.md (define_constants): Add defines for UNSPEC and
3916 UNSPEC_VOLATILE insns. Update all users.
3917 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3918 * arm.c (multi_register_push, note_invalid_constants)
3919 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3920 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3921 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3923 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3925 * jump.c (jump_optimize_1): Use reversed_comparison_code
3926 instead of can_reverse_comparison_p.
3927 (jump_back_p): Likewise.
3928 (invert_exp_1): Likewise.
3929 (thread_jumps): Likewise.
3930 * simplify-rtx.c (simplify_unary_operation): Likewise.
3931 (simplify_ternary_operation): Likewise.
3932 * cse.c (find_comparison_args): Convert to use
3933 can_reverse_comparison_p.
3934 (record_jump_equiv): Likewise.
3936 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3938 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3939 (EPILOGUE_USES): Define.
3940 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3941 automatically stack the LR if it isn't live.
3943 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3945 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3948 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3950 * ggc-page.c (max_alignment): New structure.
3951 (MAX_ALIGNMENT): New macro.
3952 (init_ggc): Use it to round up the sizes in the
3953 extra_order_size_table.
3955 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3957 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3960 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3962 * builtins.def (BUILT_IN_FPRINTF): New entry.
3964 * c-common.c (c_expand_builtin_fprintf): New function.
3965 (init_function_format_info): Handle __builtin_fprintf.
3966 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3967 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3969 * c-decl.c (duplicate_decls): Adjust comment.
3971 * extend.texi (fprintf): Document new builtin.
3973 2001-01-07 Richard Henderson <rth@redhat.com>
3975 * jump.c (simplejump_p): Recognize any single_set jump
3978 2001-01-07 Richard Henderson <rth@redhat.com>
3980 * configure.in (slibdir): Accept an --with-slibdir option.
3981 Use "test" not "[" in configure. Default to $(libdir).
3983 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3985 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3986 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3987 (SHLIB_LINK): Create links for the soname.
3988 * config/mips/t-iris6: Likewise.
3989 * config/sparc/t-slibgcc: Likewise.
3990 * config/sparc/t-slibgcc-sld: Likewise.
3992 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3994 * config/i386/i386.c (constant_call_address_operand): Accept
3995 (const (plus (symbol_ref) (const_int))).
3996 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3997 constant_call_address_operand.
3999 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4001 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4002 and LONG_LONG_TYPE_SIZE > 32.
4004 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4006 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4007 the previous change.
4009 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4011 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4013 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4014 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4015 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4018 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4020 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4022 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4024 * c-lang.c (c_post_options): Call cpp_post_options.
4025 * objc/objc-act.c (objc_post_options): Similarly.
4026 * cppmain.c (main): Similarly.
4027 * fix-header.c (read_scan_file): Similarly.
4028 * cppinit.c (cpp_start_read): Move option consistency checks
4029 to cpp_post_options. Don't call init_dependency_output.
4030 If needed, add default target and main file dependency.
4031 (OPT_MD, OPT_MMD): Remove.
4033 (cpp_handle_option): Update for OPT_* changes.
4034 (cpp_post_options): New.
4035 (init_dependency_output): Command line -MF overrides environment
4036 variables. Don't set default target etc. Suppress output
4037 if dependencies are going to stdout.
4038 (print_help): Update.
4039 * cpplib.h (cpp_post_options): New.
4040 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4042 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4044 * jump.c (comparison_dominates_p): Support unordered compares.
4046 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4048 * simplify-rtx.c (simplify_relational_operation): Always simplify
4049 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4052 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4054 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4055 (nonzero_bits): Likewise.
4056 (simplify_comparison): Likewise.
4057 (num_sign_bit_copies): Likewise; return more sane value depending
4058 on STORE_FLAG_VALUE.
4059 (known_cond): Do not assume EQ to be always true for equivalent
4062 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4064 * cse.c (fold_rtx): Handle unordered comparisons.
4066 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4068 * rtlanal.c (set_of_1): New static function.
4069 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4070 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4071 reg_set_last_last_regno): Remove.
4072 (set_of): New global function.
4073 (set_of_data): New structure.
4074 (reg_set_p, reg_set_last): Revamp for set_of.
4075 * rtl.h (set_of): New.
4077 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4079 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4080 * extend.texi: Document _Exit builtin.
4082 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4084 * (initialize, initialize_builtins,
4085 initialize_dependency_output, initialize_standard_includes):
4086 Rename s/initialize/init. Update.
4087 (init_dependency_output): Move to after
4088 cpp_handle_options, the correct location temporally at least.
4089 (opt_comp): Move next to init (), its caller. Fix prototype.
4090 (init): Make "initialized" local scope.
4091 (cpp_create_reader): Always call init ().
4092 (cpp_start_read): Update.
4093 (output_deps): New function, broken out of cpp_finish.
4094 (cpp_finish): Break out output_deps.
4096 2001-01-07 Richard Henderson <rth@redhat.com>
4098 * collect2.c (COFF specific stuff): Revert 12-06 patch
4099 to prototype system functions.
4101 2001-01-07 Michael Hayes <mhayes@redhat.com>
4103 * hard-reg-set.h: Add multiple include guard.
4104 * basic-block.h (struct loop): Add `sink' field.
4105 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4106 (emit_iv_add_mult): Delete.
4107 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4108 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4109 (unroll_loop): Remove end_insert_before argument.
4110 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4111 (maybe_eliminate_biv_1): Likewise.
4112 (emit_iv_add_mult): Delete.
4113 (gen_add_mult, loop_regs_update): New.
4114 (loop_insn_emit_after, loop_insn_emit_before): New.
4115 (loop_insn_sink, loop_insn_sink_or_swim): New.
4116 (emit_iv_add_mult): Delete.
4117 (scan_loop): Set loop->sink.
4118 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4119 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4120 (maybe_eliminate_biv_1): Likewise.
4121 (maybe_eliminate_biv_1): Add basic block argument.
4122 * unroll.c (unroll_loop): Remove end_insert_before argument.
4123 (find_splittable_regs): Likewise.
4124 (find_splittable_regs): Use loop_insn_sink and its ilk.
4125 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4127 2001-01-07 Michael Hayes <mhayes@redhat.com>
4129 * loop.h (loop_insn_hoist): New prototype.
4130 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4131 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4132 (check_dbra_loop, load_mems): Likewise.
4133 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4134 (find_splittable_givs): Likewise.
4136 2001-01-07 Michael Hayes <mhayes@redhat.com>
4138 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4140 2001-01-07 Richard Henderson <rth@redhat.com>
4142 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4144 2001-01-07 Richard Henderson <rth@redhat.com>
4146 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4147 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4148 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4149 variant that handles a shared libgcc.
4150 (process_command): Always validate -{static,shared}-libgcc.
4151 (do_spec_1): New 'M' case.
4152 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4154 2001-01-07 Richard Henderson <rth@redhat.com>
4156 * Makefile.in (slibdir): New variable.
4157 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4158 (installdirs): Create slibdir.
4159 (install-libgcc, install-multilib): Defer to libgcc.mk.
4160 * configure.in (slibdir): Substitute.
4161 * mklibgcc.in (install): New target.
4163 * config/t-linux (SHLIB_LINK): Create links for the soname.
4164 (SHLIB_INSTALL): New.
4165 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4166 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4167 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4168 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4169 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4171 2001-01-07 Richard Henderson <rth@redhat.com>
4173 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4174 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4175 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4177 2001-01-07 Michael Hayes <mhayes@redhat.com>
4179 * loop.c (count_loop_regs_set): Delete.
4180 (load_mems_and_recount_loop_regs_set): Delete.
4181 (loop_regs_scan): Merge common code from count_loop_regs_set,
4182 scan_loop, and load_mems_and_recount_loop_regs_set.
4183 (scan_loop): Call load_mems directly and loop_regs_scan
4184 again if new registers created.
4186 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4188 * toplev.c (main): Call the front-end specific post_options
4189 hook if one is given.
4190 * toplev.h (struct_lang_hooks, lang_hooks): New.
4191 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4192 for the C front end.
4193 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4194 lang_hooks for the C++ front end.
4195 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4196 lang_hooks for the ObjC front end.
4197 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4198 * java/lang.c (lang_hooks): Hooks for the Java front end.
4200 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4202 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4203 for verbose DWARF[2] debugging.
4204 (cb_define, cb_undef): The new callbacks.
4205 * toplev.h (debug_define, debug_undef): Make const correct.
4206 * toplev.c (debug_define, debug_undef): Similarly. Do not
4207 perform the verbosity tests here anymore.
4209 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4211 * reload.c (subst_reloads): Take INSN argument. When
4212 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4213 * reload.h (subst_reloads): Adjust prototype.
4214 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4215 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4216 present in JUMP_INSNs and copy them to JUMP_LABEL.
4217 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4218 JUMP_INSNs and insns with REG_LABELs that are followed by
4219 JUMP_INSNs with the same REG_LABEL.
4220 * sched-rgn.c (is_cfg_nonregular): Likewise.
4221 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4223 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4225 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4227 2001-01-06 Richard Henderson <rth@redhat.com>
4229 * loop.c (scan_loop): Use xcalloc for the regs array.
4230 (load_mems_and_recount_loop_regs_set): Zero the new memory
4231 received from xrealloc.
4233 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4235 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4237 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4239 * integrate.c (copy_rtx_and_substitute): When copying
4240 an ignored return value, strip REG_FUNCTION_VALUE_P.
4242 2001-01-06 Michael Hayes <mhayes@redhat.com>
4244 * loop.c (debug_biv, debug_giv): New.
4245 (loop_biv_dump): Break out from ...
4246 (record_biv): ... here.
4247 (loop_giv_dump): Break out from ...
4248 (record_giv): ... here.
4249 (loop_bivs_check): Use print_simple_rtl.
4250 * unroll.c (loop_iterations): Use print_simple_rtl.
4252 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4254 * pa.md (return, return_internal): Modify patterns to prevent regrename
4255 mucking with the return pointer.
4257 2001-01-05 Richard Henderson <rth@redhat.com>
4259 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4261 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4263 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4264 version supplied by Matteo Frigo.
4266 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4268 * cpp.texi: Update for -MQ.
4269 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4270 (cpp_cleanup): Always free pfile->deps.
4271 (initialize_dependency_output): Don't create pfile->deps.
4272 (cpp_handle_option): Similarly.
4274 * gcc.c (cpp_options): Handle -MQ.
4275 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4276 * mkdeps.c (base_name): Remove.
4277 (deps_init): Don't allocate vector space until it's needed.
4278 (deps_free): Only free vectors if allocated.
4279 (deps_add_target, deps_add_dep): Update for initial allocation.
4280 (deps_add_default_target): Don't strip to the base_name.
4282 2001-01-05 DJ Delorie <dj@redhat.com>
4284 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4285 (INIT_EXPANDERS): Define.
4287 * config/v850/v850.c (struct machine_function): Define.
4288 (v850_save_machine_status): New function.
4289 (v850_restore_machine_status): New function.
4290 (v850_return_addr): New function.
4291 (v850_init_expanders): New function.
4293 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4294 and v850_init_expanders.
4296 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4298 * cpplib.h (struct cpp_reader): Add help_only field.
4299 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4300 (cpp_handle_option): Set pfile->help_only if we see -h,
4301 --help, -target-help, or --version. Print version string but
4302 do not set help_only if we see -v or -version. Make text
4303 printed by -v match that printed by (-)-version.
4305 * cppmain.c (main): Exit after option parsing if
4306 pfile->help_only is true.
4308 * toplev.c (independent_decode_option): Call print_version,
4309 then exit, if we see --version (but not -version).
4310 (print_version): Split lengthy message into two lines.
4312 2001-01-05 Nick Clifton <nickc@redhat.com>
4314 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4315 temporary string for initialisation before calling ggc_alloc_string.
4317 2001-01-06 Michael Hayes <mhayes@redhat.com>
4319 * rtl.h (print_simple_rtl): New.
4320 * print-rtl.c (print_simple_rtl): New.
4322 (print_rtx): Disable printing of flags and modes, etc.,
4323 if `flag_simple` nonzero.
4325 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4327 * function.c (fixup_var_refs): Use push_to_full_sequence where
4330 2001-01-05 Michael Meissner <meissner@redhat.com>
4332 * flags.h (flag_reorder_blocks): Add declaration.
4333 (flag_rename_block): Ditto.
4335 2001-01-05 DJ Delorie <dj@redhat.com>
4337 * function.c (reorder_blocks): Make sure the flags are all reset
4338 before using them to mark blocks, else a second invocation will
4339 corrupt the block chain.
4340 (reorder_blocks_0): New, resets the flags.
4342 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4344 * cse.c (find_comparison_args): Stop if the argument is known to
4347 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4349 * config/sh/sh.md (movdf): When splitting load into pair of
4350 registers, don't clobber the register used in the address too
4353 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4355 * varasm.c (mark_constant_pool): Improve initial comments.
4356 (mark_constants): Move marking of constants to mark_constant.
4357 (mark_constant): New function to recursively mark all constants
4358 referred to by a constant.
4360 2001-01-05 Catherine Moore <clm@redhat.com>
4362 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4364 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4366 * cp/lang-options.h: Bring comment in line with reality.
4367 * f/lang-options.h: Likewise.
4368 * java/lang-options.h: Likewise.
4369 * objc/lang-options.h: Likewise.
4370 * ch/lang-options.h: Likewise.
4371 * f/g77.texi: And update the manual.
4373 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4374 Denis Chertykov <denisc@overta.ru>
4376 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4377 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4378 * config/avr/avr.md (all peepholes that request a scratch register):
4379 Call it, FAIL the peephole if not safe (in interrupt functions).
4381 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4383 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4385 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4387 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4389 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4390 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4391 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4392 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4393 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4395 * extend.texi: Document these builtins.
4397 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4399 * c-common.c (lang_get_alias_set): Say we know nothing of
4400 VECTOR_TYPE aliasing.
4402 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4404 2001-01-05 Bruce Korb <bkorb@gnu.org>
4406 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4407 their x* equivalent versions for atexit-less systems
4408 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4409 systems (or any other system any more).
4411 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4413 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4414 output operands. Use arm_hard_register_operand for operand 4.
4415 (stmsi_postinc): Similarly.
4416 (ldmsi): Use arm_hard_register_operand for opernand 2.
4418 * arm.c (arm_hard_register_operand): New function.
4419 * arm-protos.h (arm_hard_register_operand): Prototype it.
4421 * arm.h (HARD_REGNO_RENAME_OK): Define.
4423 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4425 * simplify-rtx.c (cfc_args): add "unordered" field.
4426 (check_fold_consts): Set unordered field.
4427 (simplify_relational_operation): Simplify the unordered
4430 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4433 * emit-rtl.c (try_split): Fix code to mark labels.
4434 * jump.c (mark_jump_label): Make global.
4435 * rtl.h (mark_jump_label): Declare.
4437 * predict.c (estimate_probability): Handle unordred comparisons.
4439 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4441 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4442 * cppinit.c (initialize_dependency_output): Update.
4443 (cpp_finish): Output dummy targets for -MP.
4445 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4446 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4447 * gcc.c (cpp_options): Update to handle -MP.
4448 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4449 to quote only the default target.
4450 (deps_phony_targets): Insert a preceding newline. Rename from
4451 deps_dummy_targets for consistency.
4454 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4456 * calls.c (emit_library_call_value_1): Support
4457 INIT_CUMULATIVE_LIBCALL_ARGS.
4458 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4460 2001-01-04 Richard Henderson <rth@redhat.com>
4462 * c-decl.c (finish_struct): Detect flexible array members
4463 used in an inappropriate context.
4464 * c-typeck.c (really_start_incremental_init): Special case
4465 constructor_max_index for zero length arrays.
4466 (pop_init_level): Allow initialization of flexible array
4467 members. Deprecate initialization of zero length arrays.
4468 Don't issue missing initializer warning for flexible array
4469 members or zero length arrays.
4470 (process_init_element): Don't dereference null DECL_SIZE.
4471 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4472 Don't abort for empty constructors. Use size_binop
4473 (output_constructor): Add commentary regarding zero length
4474 array futures. Abort if we try to initialize an array of
4475 unspecified length with a non-empty constructor in the middle
4478 * extend.texi (Zero Length): Update and clarify documentation
4479 on static initialization.
4481 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4483 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4484 with more than 32767 words of local storage.
4486 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4488 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4489 for 'abs', 'labs', and 'fabs'.
4490 (c4x_expand_builtin): Likewise.
4491 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4493 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4495 * config/sh/sh.md (prget, prset): New insn types.
4496 (return delay slot): Dont' allow prset.
4497 (call, sfunc delay slot): Don't allow prget.
4498 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4499 for prset and prget.
4501 2001-01-05 Michael Hayes <mhayes@redhat.com>
4503 * loop.h (struct loop_reg): New.
4504 (struct loop_regs): Change to use array of `struct loop_reg'.
4505 * loop.c: Replace assortment of varrays with single regs array.
4506 (count_one_set): Delete may_not_move array argument
4507 and use regs array instead. All caller's changed.
4508 (count_loop_regs_set): Delete may_not_move and single_usage
4509 arguments and use regs array instead. All caller's changed.
4510 (find_single_use_in_loop): Replace usage array argument with pointer
4511 to regs structure. All caller's changed.
4512 (loop_optimize): Delete `moved_once' array.
4514 2001-01-05 Michael Hayes <mhayes@redhat.com>
4516 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4517 Use it instead of loop_info->has_call for scanning loop mems.
4518 (check_dbra_loop): Replace loop_info->has_call test with
4519 loop_info->has_nonconst_call.
4521 2000-01-04 Matthew Hiller <hiller@redhat.com>
4523 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4526 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4528 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4529 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4531 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4533 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4534 (flag_short_double, flag_short_wchar): Define.
4535 (c_common_nodes_and_builtins): Create many tree nodes shared
4536 between C and C++ here instead of in cp/decl.c and ...
4537 * c-decl.c (init_decl_processing): ... here.
4538 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4539 (flag_short_double, flag_short_wchar): Don't define.
4540 (record_builtin_type): New function.
4541 (build_void_list_node): New function.
4542 * c-common.h (flag_short_double, flag_short_wchar,
4543 record_builtin_type, build_void_list_node): Declare.
4545 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4547 * integrate.c (expand_inline_function): Don't put a virtual
4548 register into the reg map.
4550 * function.c (fixup_var_refs_1): If force_operand didn't put
4551 the address into the target, move it there.
4553 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4555 Special-case tree_decl/tree_list allocations.
4556 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4557 (OBJECT_SIZE): New macro.
4558 (NUM_EXTRA_ORDER): Likewise.
4559 (extra_order_size_table): New variable.
4560 (NUM_ORDERS): New macro.
4561 (objects_per_page_table): New variable.
4562 (object_size_table): New variable.
4563 (G.pages): Use NUM_ORDERS to bound the array.
4564 (G.page_tails): Likewise.
4565 (DIV_ROUND_UP): Remove.
4566 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4567 (alloc_page): Use OBJECT_SIZE.
4568 (size_lookup): Don't make it const.
4569 (ggc_alloc): Use OBJECT_SIZE.
4570 (ggc_set_mark): Likewise.
4571 (ggc_get_size): Likewise.
4572 (init_ggc): Set up the object_size_table, objects_per_page_table,
4573 and adjust size_lookup.
4574 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4575 (ggc_pop_context): Use NUM_ORDERS.
4576 (clear_marks): Likewise.
4577 (sweep_pages): Likewise.
4578 (poison_pages): Likewise.
4579 (ggc_print_statistics): Use OBJECT_SIZE.
4581 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4583 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4584 Only call array_size_for_constructor if last field and array type
4585 with no upper bound.
4587 2001-01-04 Philip Blundell <philb@gnu.org>
4589 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4590 from bit 31 downwards, if this requires no more insns.
4591 (count_insns_for_constant): New helper function for above.
4593 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4595 * gencodes.c (output_predicate_decls): Remove empty initializer.
4597 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4599 * tree.c (copy_node): Remove documentation about obstacks.
4600 (buidl1): Check that nobody tries to build 2-argument nodes this
4603 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4605 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4608 * gencodes.c (output_predicate_decls): Fill empty initializer
4611 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4613 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4614 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4616 (do_include): Handle missing headers like cpp0.
4617 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4618 paths with first include pathname. Don't strcat to uninitialized
4621 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4623 * regrename.c (regrename_optimize): Don't rename from frame pointer
4624 if frame_pointer_needed.
4625 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4626 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4627 (ia64_reorg): Use it instead of scheduling if ! optimize.
4628 (errata_emit_nops): Properly call asm_noperands.
4629 (ia64_sched_reorder): Finish cycle if we see an asm.
4630 (ia64_variable_issue): Clear scheduling state after asms.
4632 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4634 * cpp.texi: Update for -MT.
4635 * cppinit.c (initialize_dependency_output): Add a default
4636 target if none has been given already.
4637 (no_tgt, OPT_MT): New.
4638 (cpp_handle_option): Handle -MT. Update -M etc.
4639 * cpplib.h (struct cpp_options): Remove deps_target.
4640 * gcc.c (cpp_options): Handle -MT.
4641 * mkdeps.c (struct deps): Move from mkdeps.h.
4642 (deps_calc_target): Rename deps_add_default_target. Add a
4643 default target if none has been specified already.
4644 * mkdeps.h (struct deps): Move to mkdeps.c.
4645 (deps_calc_target): Rename deps_add_default_target.
4647 2000-01-03 Richard Henderson <rth@redhat.com>
4649 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4651 * c-typeck.c (push_init_level): Move checks for flexible array
4652 members and zero length arrays ...
4653 (pop_init_level): ... here. Silently discard empty initializations.
4655 * varasm.c (output_constructor): Update for sizeof change to
4658 * extend.texi (Zero Length): Clarify semantics.
4660 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4662 * configure.in (tm.h): Include isns-codes.h last.
4663 * configure: Rebuilt.
4665 2001-01-03 Richard Henderson <rth@redhat.com>
4667 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4668 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4670 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4672 * tradcpp.c (main): Make sure finclude() is called with a valid
4673 indepth value while handling -include.
4675 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4677 * gencodes.c (output_predicate_decls): New function.
4679 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4680 even if it is not the first time machmode.h is #included.
4681 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4682 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4683 * gcc.texi (Copyright): Added 2001.
4685 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4687 * c-common.c (c_common_lang_init): New function. Warn if format
4688 warning options which only have effects when used with -Wformat
4689 are used without -Wformat.
4690 * c-common.h (c_common_lang_init): Declare.
4691 * c-lang.c (lang_init): Call c_common_lang_init.
4692 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4694 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4696 * configure.in: Check for the mktemp command.
4697 * configure: Regenerate.
4698 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4699 $TEMP. Create temporary files with mktemp, if available at
4700 configure time; otherwise use set -C. Remove temporary files
4703 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4705 * configure.in: Require at least texinfo 4.0. Check for whether
4706 Pod::Man is sufficiently recent to regenerate GCC manpages.
4707 * configure: Regenerate.
4708 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4710 (GENERATED_MANPAGES): Define.
4711 (generated-manpages): New target. Depend on cpp.1 as well as
4713 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4714 configure to generated-manpages or empty) rather than on the
4715 manpages directly. Remove execute permission from installed
4716 gcov.1 as well as cpp.1.
4717 * cpp.1, gcov.1: Regenerate.
4719 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4721 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4722 tree_low_cst. Allow using cmpstrsi in more cases.
4724 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4726 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4729 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4731 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4732 * Makefile.in (HOST_CFLAGS): Mention build-make.
4734 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4736 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4739 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4741 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4744 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4747 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4748 reg_base_value and reg_known_value arrays.
4749 (init_alias_analysis): Add more cases to detect known values.
4750 * sched-deps.c (deps_may_trap_p): New function.
4751 (sched_analyze_2): Use it.
4753 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4755 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4756 don't discard an ASHIFTRT if we're shifting in a wider mode.
4758 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4760 * toplev.c (rest_of_compilation): Don't print basic block information
4761 when CFG isn't up to date.
4763 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4765 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4766 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4767 (UNALIGNED_SHORT_ASM_OP): Define.
4768 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4770 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4772 * fold-const.c (fold_convert): Fix typo.
4774 2001-01-02 Richard Henderson <rth@redhat.com>
4776 * c-common.h (ASM_INPUT_P): New.
4777 * c-parse.in (asm): Set it when needed.
4778 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4779 existance of an operand.
4781 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4783 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4784 (dwarf2out_frame_debug_expr): Likewise.
4785 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4787 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4789 * i386.c (ix86_split_to_parts): Return number of part required;
4791 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4793 (ix86_split_long_move): Use number of part returned
4794 by ix86_split_to_parts
4795 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4797 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4798 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4799 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4800 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4801 (ALIGN_MODE_128): Add TFmode.
4802 (IS_STACK_MODE): Likewise.
4803 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4804 (HARD_REGNO_OK): Support TFmodes.
4805 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4806 * i386.md (scheduler definitions): Use memory operand to determine
4807 fst/fld instructions; use mode attribute to determine real mode of
4809 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4810 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4812 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4814 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4816 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4818 * expr.c (store_constructor_field): Update ALIGN before calling
4821 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4823 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4826 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4828 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4831 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4833 * c-decl.c (start_function): Don't warn on third parameter to main.
4835 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4837 * tsystem.h: Define HAVE_DECL_GETOPT.
4839 2001-01-02 Philip Blundell <pb@futuretv.com>
4841 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4844 2001-01-02 Richard Henderson <rth@redhat.com>
4846 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4848 2001-01-02 Andreas Jaeger <aj@suse.de>
4850 * c-decl.c (c_decode_option): Remove support of
4853 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4854 (W_options): Add -Wmissing-noreturn here.
4856 * flow.c: Define lang_missing_noreturn_ok_p.
4857 (check_function_return_warnings): Use it.
4859 * c-common.h: Declare lang_missing_noreturn_ok_p.
4861 * c-lang.c (c_missing_noreturn_ok_p): New function.
4862 (lang_init): Set lang_missing_noreturn_ok_p.
4864 * invoke.texi (Warning Options): Document this.
4866 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4868 * extend.texi (C++ Extensions): New node for C++ attributes;
4869 describe init_priority and com_interface.
4870 * invoke.texi: Remove -finit-priority as it now has zero effect.
4871 * install.texi: Fix xref syntax.
4872 * md.texi: Likewise.
4874 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4876 * config.gcc (sparc64-wrs-vxworks*): New case.
4877 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4879 * config/sparc/sparc.c (sparc_override_options): Do support different
4880 pointer and architecture size.
4881 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4882 (POINTERS_EXTEND_UNSIGNED): Define.
4883 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4884 (FUNCTION_MODE): Define to be Pmode.
4885 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4887 * function.c (expand_function_end): Properly handle DECL_RESULT
4888 and copy when ptr_mode != Pmode.
4889 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4891 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4893 * c-common.c (c_common_nodes_and_builtins): Set prototype
4894 parameters for __builtin_fputs, __builtin_fputc and
4895 __builtin_fwrite. Don't declare plain fputc as a builtin.
4897 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4899 * loop.c (add_label_notes): Increment the label usage count when
4900 a note is added to an insn which refers to a CODE_LABEL.
4901 * gcse.c (add_label_notes): Likewise.
4903 2001-01-01 Andreas Jaeger <aj@suse.de>
4905 * loop.c (scan_loop): Use xmalloc to allocate movables.
4907 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4909 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4910 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4911 * reload1.c (REGISTER_MOVE_COST): Likewise.
4912 * regclass.c (REGISTER_MOVE_COST): Likewise.
4913 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4914 dimension. Adjust all users.
4915 (init_reg_sets_1): Iterate on all modes.
4916 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4917 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4918 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4919 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4920 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4921 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4922 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4923 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4924 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4925 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4926 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4927 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4928 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4929 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4930 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4931 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4932 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4933 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4934 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4935 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4936 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4937 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4938 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4939 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4940 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4941 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4942 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4944 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4946 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4947 arg VARIES_P. Call it with extra arg.
4948 (true_dependence): Likewise.
4949 * rtl.h (rtx_addr_can_trap_p): Declare.
4950 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4952 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4953 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4954 pic offset table register if it's zero. All callers changed.
4955 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4957 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4959 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4960 STRING_POOL_ADDRESS_P.
4962 * config/sparc/sparc.c (input_operand): Properly test for short op.
4964 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4965 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4966 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4967 * config/sparc/elf.h: No longer include sol2.h.
4968 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4969 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4971 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4973 2001-01-01 Michael Hayes <mhayes@redhat.com>
4975 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4976 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4977 (record_initial): Likewise.
4978 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4979 (remap_split_bivs): Likewise.
4981 2001-01-01 Michael Hayes <mhayes@redhat.com>
4983 * loop.c (loop_ivs_free): New function.
4984 (strength_reduce): Break out from...
4986 2001-01-01 Michael Hayes <mhayes@redhat.com>
4988 * loop.h (struct iv): New.
4989 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4990 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4991 'reg_biv_class' fields with 'regs' and 'n_regs'.
4992 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4993 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4994 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4996 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4998 * resource.c (mark_referenced_resources): Abort() before
4999 attempting to mark a pseudo register.
5000 (mark_set_resources): Likewise.
5002 2001-01-01 Michael Hayes <mhayes@redhat.com>
5004 * loop.h (REG_IV_CLASS): New accessor macro.
5005 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5006 * unroll.c (REG_IV_CLASS): Likewise.
5008 See ChangeLog.4 for earlier changes.
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