1 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * print-tree.c (print_node, case PARM_DECL):
4 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6 * stor-layout.c (reference_types_internal): New variable.
7 (internal_reference_types): New function.
8 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
9 * tree.h (internal_reference_types): New declaration.
11 * cse.c (find_best_addr): Fix typo in computing cost.
13 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
16 and this is the sum of a pointer and a constant, we know the result
18 (num_sign_bit_copies, case PLUS): Likewise.
19 * explow.c (convert_memory_address): Remove opposite SUBREG.
20 * function.c (instantiate_new_reg): New function (from common code).
21 (instantiate_virtual_regs_1): Call it.
22 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
23 if pointers sign- or zero-extend.
24 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
25 If pointers extend unsigned, use inside of SUBREG.
26 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
28 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
30 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
31 subdir of gcc_gxx_include_dir.
32 (gcc_gxx_target_include_dir): Remove.
34 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
36 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
37 (dwarf2out_frame_debug_expr): Revise introductory comments to add
38 a high-level description.
40 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
42 * final.c: Move the declaration of profile_label_no to ...
44 * function.c (expand_function_start): Call PROFILE_HOOK.
45 * config/rs6000/aix.h: Define PROFILE_HOOK.
46 * config/rs6000/rs6000-protos.h: output_profile_hook new.
47 * config/rs6000/rs6000.c (output_profile_hook): Define.
48 (output_prolog): Do nothing for ABI_AIX as it is taken care by
50 tm.texi : Explain new macro PROFILE_HOOK.
52 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
54 * extend.texi (Extended Asm): Do not say that semicolon is always
55 a valid line-breaking character for GNU assemblers. Use
56 newline-tab as the most commonly supported syntax. Use
57 newline-tab rather than semicolon in multi-insn examples.
59 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
61 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
63 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
64 David Edelsohn <edelsohn@gnu.org>
66 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
67 code for AIX, even without flag_pic.
69 2001-02-05 Jakub Jelinek <jakub@redhat.com>
71 * c-typeck.c (common_type): push and pop binding level around
72 calling common_type on function parameters.
74 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
76 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
78 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
80 * config/mips/mips.c (override_options): Fix typo in last change.
81 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
82 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
84 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
86 * invoke.texi (-fdump-class-layout): Document.
87 (-fdump-translation-unit): Use `=' as filename separator.
89 2001-02-05 Mark Mitchell <mark@codesourcery.com>
91 * Makefile.in (s-mlib): Don't build multilibs if
93 (DRIVER_DEFINES): Adjust accordingly.
95 (protoize.o): Likewise.
96 (unprotoize.o): Likewise.
97 * configure.in: Recognize --enable-multilib.
99 2001-02-04 Mark Mitchell <mark@codesourcery.com>
101 * Makefile.in (DRIVER_DEFINES): Fix quoting.
103 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
104 * configure.in: Remove --enable-libstdcxx_v3 support.
105 * configure: Regenerated.
107 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
109 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
110 Call abort instead of fatal.
111 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
112 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
113 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
114 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
115 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
116 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
118 * diagnostic.h (set_internal_error_function): Renamed.
119 * toplev.h (internal_error): Renamed from fatal.
120 (pfatal_with_name): Deleted.
121 (fatal_io_error): Now has printf-style arguments.
122 * diagnostic.c (pfatal_with_name): Deleted.
123 (fatal_io_error): Rework to have args in printf-style.
124 (set_internal_error_function): Renamed from set_fatal_function.
125 (internal_error): Renamed from fatal.
126 (error_recursion, fancy_abort): Call internal_error instead of fatal.
127 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
128 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
129 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
130 * flow.c (verify_flow_info): Likewise.
131 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
132 * config/mips/mips.c (save_restore_insns): Likewise.
134 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
135 * flow.c (verify_flow_info): Likewise.
136 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
137 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
138 (avr_normalize_condition): Likewise.
139 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
140 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
141 (limit_reload_class, double_reg_to_memory): Likewise.
142 (print_operand_address, emit_1600_code_shift): Likewise.
143 (gen_tst_reg, gen_compare_reg): Likewise.
144 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
145 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
147 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
149 * c-parse.in (methoddef): Call fatal_error instead of fatal.
150 * objc/objc-act.c (build_ivar_chain): Likewise.
151 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
153 * graph.c (clean_graph_dump_file): Likewise.
154 * profile.c (init_branch_prob): Likewise.
155 * objc/objc-act.c (objc_init): Likewise.
157 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
158 * config/avr/avr.c (avr_override_options): Likewise.
159 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
160 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
161 * config/h8300/h8300.c (h8300_init_once): Likewise.
162 * config/mips/mips.c (override_options): Likewise.
163 * config/i386/i386.c (override_options): Likewise, rework.
164 * config/m68k/m68k.c (override_options): Likewise.
166 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
168 * config/mips/mips.c (print_operand): Likewise.
169 * hash.c (hash_allocate): Don't check for failure returns from
170 obstack functions that can't fail.
171 (hash_table_init_n, hash_table_init): Likewise; also now return void.
172 * hash.h (hash_table_init_n, hash_table_init): Now return void.
173 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
174 (get_object_reference): Likewise.
176 2001-02-04 Nick Clifton <nickc@redhat.com>
178 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
179 StrongARM1110, 10TDMI, and 1020T.
181 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
183 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
185 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
187 * config/sh/sh.md (movdf load split): Pass register number to
190 2001-02-04 Mark Mitchell <mark@codesourcery.com>
192 * cppinit.c (BC): New macro.
193 (builtin_array): Add __GXX_WEAK__.
194 * cpplib.h (builtin_type): Add BT_WEAK.
195 * cppmacro.c (builtin_macro): Handle BT_WEAK.
196 * defaults.h (SUPPORTS_ONE_ONLY): Define.
197 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
199 2001-02-03 Jakub Jelinek <jakub@redhat.com>
201 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
203 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
205 * cpphash.h: Rename _ALIGN POOL_ALIGN.
206 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
208 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
210 * cpphash.h: Rename ALIGN _ALIGN.
211 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
213 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
215 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
216 compilation environment.
217 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
218 control over location of cygwin includes and libs.
220 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
222 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
224 2001-02-02 lars brinkhoff <lars@nocrew.org>
226 * md.texi (Standard Names): remove reference to spur.md.
228 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
230 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
231 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
232 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
233 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
234 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
236 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
238 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
239 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
240 number before reload.
241 (c4x_adjust_cost): Return zero before reload.
242 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
245 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
247 * c4x.c (c4x_hard_regno_rename_ok): New.
248 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
249 * c4x.h (HARD_REGNO_RENAME_OK): Define.
251 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
253 * diagnostic.h: Add missing "extern" in all declarations.
255 2001-02-02 Alex Samuel <samuel@codesourcery.com>
257 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
258 as for gcc_gxx_include_dir.
260 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
262 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
264 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
266 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
267 label before alignment to be used as the braf base address.
268 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
270 (casesi_jump_2): Require at least TARGET_SH2.
272 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
273 truncation to 32-bit doubles on -m3e and -m4-single-only.
275 2001-02-02 Mark Mitchell <mark@codesourcery.com>
277 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
278 the default when building a shared object.
280 * testsuite/lib/g++.exp: Include the directory where libgcc
281 is located to the LD_LIBRARY_PATH list.
282 * invoke.texi (-shared-libgcc): Document the cases in which
283 GCC defaults to using the shared libgcc.
285 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
287 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
288 unsigned is wide enough.
290 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
291 (si_to_float): Likewise.
292 (float_to_si, float_to_usi): Use BITS_PER_SI.
294 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
296 * dwarf2out.c: Added explanation of abbreviations.
297 (def_cfa_1): Added comments listing DWARF2 instructions.
298 (cfa_temp_reg): Removed in favor of cfa_temp.
299 (cfa_temp_value): Removed in favor of cfa_temp.
300 (cfa_temp): New global variable.
301 (dwarf2out_frame_debug_expr): Added extensive introductory
302 comments explaining the function's transformations. Revised to
303 use cfa_temp. Added some rtx checking. Generalize IOR case.
304 (dwarf2out_frame_debug): Revised to use cfa_temp.
305 (output_aranges): Cast as "unsigned" to avoid warning.
306 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
307 explain which instructions must be marked.
309 2001-02-01 Richard Henderson <rth@redhat.com>
311 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
314 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
316 * config/sh/crt1.asm (main_k): Modified so that start calls
317 ___setup_argv_and_call_main.
319 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
321 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
322 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
323 and AVOID_LPASTE is cleared on meeting an unescaped newline.
324 * cppmacro.c (builtin_macro): Set builtin flags here.
325 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
326 (replace_args): Clarify intent.
327 (cpp_get_token): Macro expansion tokens get the saved flags.
329 * cppmain.c (scan_buffer): Remove now-redundant print.printed
332 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
334 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
337 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
339 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
340 returns Pmode pseudo, but we need ptr_mode.
341 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
342 Remove bogus conversions; use HOST_WIDE_INT for size.
343 Don't use TARGET if wrong mode.
345 * config/i386/i386.c (ix86_compute_frame_size): Allow
346 stack_alignment_needed to be non-default even if size is zero.
348 2001-01-31 Alan Modra <alan@linuxcare.com.au>
350 * (hppa_init_pic_save): Emit the pic offset table
351 reg save after last_parm_insn.
352 * pa.c (hppa_init_pic_save): New function.
353 * pa.h (hppa_init_pic_save): Declare.
354 * pa.md (call, call_value, sibcall, sibcall_value): Use
355 the above instead of duplicated code.
357 * pa.c (hppa_encode_label): Correct size of alloca buffer
358 so we don't overrun it. Correct leading `*' case.
359 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
361 (FUNCTION_NAME_P): Likewise.
363 2001-01-31 Richard Henderson <rth@redhat.com>
365 * config.gcc (alpha-osf5): Use float-i128.h.
367 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
368 * config/float-i32.h: Likewise.
369 * config/float-i64.h: Likewise.
370 * config/float-sh.h: Likewise.
371 * config/float-sparc.h: Likewise.
373 2001-01-31 DJ Delorie <dj@redhat.com>
375 * expmed.c (extract_bit_field): allow non-integral modes if we
376 want to extract a whole register from itself.
378 2001-01-31 Jakub Jelinek <jakub@redhat.com>
380 * c-typeck.c (set_init_index): If first is equal to last, assume as
381 if it was not a range at all.
383 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
385 * config/fp-bit.c: Include tm.h.
386 (float_to_si): Don't assume SImode is 32-bits wide.
387 (float_to_usi): Likewise.
389 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
391 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
393 (typename): Call pending_xref_error after parsing typed_typespecs.
394 * c-decl.c (lookup_tag): Give error immediately rather than
395 leaving it pending if the tag of the wrong type is in the same
397 (xref_tag): Don't pedwarn for forward declarations of enum types
399 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
402 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
404 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
406 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
408 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
409 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
411 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
413 * cpphash.h (struct cpp_reader): New saved_flags.
414 * cppmacro.c (cpp_get_token): Use saved_flags to remember
415 to avoid a paste after a pasted token.
417 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
419 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
420 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
421 Wtype_MIN instead of LONG_MIN.
423 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
425 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
427 * fixinc/fixincl.x: Regenerated.
428 * fixinc/inclhack.def (irix_limits_const): New definition to
429 convert "const" to "__const" in limits.h.
431 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
433 * fixinc/genfixes (AG): Fix "autogen4" thinko.
435 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
437 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
438 when register dies in the insn.
440 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
442 * diagnostic.c (fatal): Fix word wrap.
444 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
446 * combine.c (try_combine): Fix SUBREG setting for
447 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
449 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
451 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
454 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
456 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
458 * toplev.c (decode_W_option): Update warn_larger_than
459 unconditionally for each processed switch.
461 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
463 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
465 (hppa_expand_prologue): Delete code to save pic offset table register
466 in the function prologue.
467 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
468 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
469 table register at the beginning of the function after the prologue.
471 2001-01-29 lars brinkhoff <lars@nocrew.org>
473 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
475 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
476 Jeff Law <law@redhat.com>
478 * pa.md (return): Revise comment for trivial return.
479 (return_internal): Non-trivial return pattern for non-PIC code.
480 (return_internal_pic): Non-trivial return pattern for PIC code.
481 It uses the PIC register to ensure it is restored after
483 (epilogue): Generate appropriate return for PIC and non-PIC code.
485 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
487 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
489 2001-01-29 DJ Delorie <dj@redhat.com>
491 * combine.c (if_then_else_cond): Pass the correct mode to
492 operand_subword() for constants.
494 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
496 * config/i386/cygwin.h: Add w32api to include search. Search different
497 directories in a cross-build environment.
499 2001-11-29 Tim Josling <tej@melbpc.org.au>
501 * tree.h (TYPE_STUB_DECL): Add documentation.
503 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
505 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
506 (sdbout_field_types): Likwise. Fix use of host_integerp.
508 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
510 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
513 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
515 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
516 to use flag_gnu_linker.
518 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
520 * cpplib.c (T_BAD_DIRECTIVE): Remove.
521 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
523 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
525 * tree.c, tree.h (build_parse_node): Remove; was identical to
527 * c-lang.c (start_cdtor), objc/objc-act.c
528 (build_module_descriptor): Use build_nt instead of
531 2001-01-29 Jakub Jelinek <jakub@redhat.com>
533 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
534 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
535 not have any upper bits set.
537 2001-01-29 Phil Edwards <pme@sources.redhat.com>
539 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
541 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
543 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
545 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
547 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
548 (integer_minus_one_node): Define.
550 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
552 * Makefile.in (bootstrap2-lean): Fix typo.
554 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
556 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
557 : Don't set fe_value.
558 * cpplib.h (AVOID_LPASTE): New flag.
559 (struct cpp_hashnode): Remove fe_value.
560 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
561 * cppmacro.c (builtin_macro): Don't set flags here.
562 (replace_args): Set AVOID_LPASTE flag on first token of an
563 argument, and the token following it.
564 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
565 macro expansion, and on the token following it. Do it for
567 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
569 2001-01-27 Richard Henderson <rth@redhat.com>
571 * config/alpha/t-ieee: Remove multilibbing.
572 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
574 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
576 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
578 * Makefile.in: Remove all dependencies on defaults.h.
579 * builtins.c: Don't include defaults.h.
580 * c-common.c: Likewise.
581 * c-decl.c: Likewise.
582 * c-pragma.c: Likewise.
583 * c-typeck.c: Likewise.
584 * combine.c: Likewise.
586 * frame-ia64.c: Likewise.
587 * cppexp.c: Likewise.
588 * crtstuff.c: Likewise.
589 * dbxout.c: Likewise.
590 * dwarf2out.c: Likewise.
591 * dwarfout.c: Likewise.
592 * emit-rtl.c: Likewise.
593 * except.c: Likewise.
596 * frame-dwarf2.c: Likewise.
597 * libgcc2.c: Likewise.
598 * optabs.c: Likewise.
599 * profile.c: Likewise.
600 * sdbout.c: Likewise.
601 * toplev.c: Likewise.
602 * tradcif.y: Likewise.
604 * varasm.c: Likewise.
606 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
608 * builtins.c (expand_builtin_fputs): Use size_one_node when
609 transforming into fwrite.
611 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
613 * extend.texi (Attribute Syntax): New section.
615 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
617 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
618 they didn't need fixing.
620 2001-01-27 Janis Johnson <janis@us.ibm.com>
622 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
624 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
625 to remove macro definitions that are duplicated from elfos.h.
627 2001-01-27 Richard Henderson <rth@redhat.com>
629 * config/i386/sco5gas.h: Move ...
630 * config/usegas.h: ... here.
631 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
633 2001-01-27 Jakub Jelinek <jakub@redhat.com>
635 * c-typeck.c (struct constructor_stack): Add range_stack member.
636 (really_start_incremental_init): Clear it.
637 (push_init_level): Save constructor_range_stack and clear it if
638 pushing explicit braces.
639 (pop_init_level): abort if constructor_range_stack is non-zero at
640 explicit closing brace. Restore saved constructor_range_stack if
643 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
645 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
646 into register was forced into memory.
648 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
650 * Makefile.in: Remove uses of + before $(MAKE).
652 2001-01-26 Richard Henderson <rth@redhat.com>
654 * stmt.c (cost_table): Remove.
655 (COST_TABLE, cost_table_initialized): New.
656 (estimate_case_costs): Use the later instead of the former.
657 (balance_case_nodes): Likewise.
659 2001-01-26 Richard Henderson <rth@redhat.com>
661 * alias.c (objects_must_conflict_p): Read-only slots may not
662 conflict despite having the same type.
664 2001-01-27 Michael Hayes <mhayes@redhat.com>
666 * loop.c (loop_giv_reduce_benefit): Copy mode size into
668 (check_ext_dependant_givs): Initialise u_start_val and
670 (load_mems): Make last_max_reg unsigned.
671 (try_swap_copy_prop): Use INSN_P and initialise set.
673 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
675 * README.AVR : Removed.
677 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
679 * pa-64.h (text_section): Remove declaration.
681 * pa.md (return_internal): Remove mode on PIC register use.
683 2001-01-25 lars brinkhoff <lars@nocrew.org>
685 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
686 ASM_CLOSE_PAREN): fix typos.
688 2001-01-25 Mark Mitchell <mark@codesourcery.com>
690 * acconfig.h: Define `const' to the empty string if neither
691 __STDC__ nor __cplusplus is defined.
692 * config.in: Regenerated.
694 2001-01-25 David Edelsohn <edelsohn@gnu.org>
696 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
697 * collect2.c (main): Delete importf. Add ".obj" file extension.
698 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
699 (aix_std_libs): Add additional AIX libraries to skip.
700 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
701 * config/rs6000/aix51.h: New file.
703 2001-01-25 Michael Hayes <mhayes@redhat.com>
705 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
706 (loop_insn_emit_before): No longer static.
707 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
708 (loop_givs_rescan, load_mems): Likewise.
709 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
710 (maybe_eliminate_biv_1):
711 (move_movables): Replace emit_call_insn_before with
712 loop_call_insn_hoist.
713 * loop.h (loop_insn_emit_before): Add.
714 * unroll.c (copy_loop_body): Replace emit_insn_before with
715 loop_insn_emit_before.
717 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
719 * diagnostic.c (fatal): Request preprocessed source.
721 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
723 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
724 olddecl has argument types and newdecl has none, use the argument
727 2001-01-24 Ulrich Drepper <drepper@redhat.com>
729 * dwarf2out.c (prefix_of): New function. Determine longest common
730 prefix of the two arguments. The units are whole path components.
731 (output_file_names): When adding a new directory find the one entry
732 with the longest common prefix already in the list. Artificially
733 generate entry if there is none for this prefix.
734 Fix test to check whether the zeroth directory entry is used.
736 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
738 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
739 Changed all callers. Take it into account when deciding if a
740 previously loaded value matches.
742 2001-01-24 Richard Henderson <rth@redhat.com>
744 * reload.c (find_reloads_subreg_address): Fail the substitution
745 if the resulting address is insufficiently aligned.
747 2001-01-24 DJ Delorie <dj@redhat.com>
749 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
750 check the original operand's mode also.
751 * simplify-rtx.c (simplify_ternary_operation): Ditto.
753 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
755 * c-parse.in (cast_expr): Move compound literals from here ...
756 (primary): ... to here. Use standard terminology "compound
757 literal" instead of "constructor expression".
759 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
761 * gcc.1, cpp.1: Regenerate.
763 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
765 * calls.c (emit_library_call_value_1): Memory slot for
766 pass-by-reference argument should have the mode of the argument,
767 not of the pointer to it.
769 2001-01-24 Tom Tromey <tromey@redhat.com>
771 * gcc.texi (G++ and GCC): Mention gcj manual.
772 (Standards): Link to section of manual mentioning gcj/Java
775 2001-01-24 Jakub Jelinek <jakub@redhat.com>
777 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
778 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
779 * tradcpp.c (main): Add -imacros or -include'd dependencies
781 * cpp.texi (-M, -MM): Document -M -include behaviour.
783 2001-01-24 Roger Collins <roger@ProProject.com>
785 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
787 2001-01-24 Will Cohen <wcohen@redhat.com>
789 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
790 whether registers are 32 bits or 64 bits in size.
792 2001-01-24 Ben Elliston <bje@redhat.com>
794 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
796 2001-01-24 Richard Henderson <rth@redhat.com>
798 * config/alpha/alpha.md (builtin_longjmp_internal): New.
799 (builtin_longjmp): Use it instead of emit_indirect_jump.
801 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
803 * bb-reorder.c (make_reorder_chain_1): Handle case where
804 jump edge goes to the same block as the fallthru edge.
806 2001-01-23 Jim Wilson <wilson@redhat.com>
808 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
809 * frame.h (__ia64_personality_v1): Add prototype.
810 * libgcc2.c (ia64_throw_helper): Change personality declaration to
811 prototype form. Add void * cast to first argument to personality
813 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
814 (asctoe113): Likewise.
815 * config/ia64/frame-ia64.c: Include eh-common.h.
816 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
818 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
820 (itanium_split_issue): Add prototype.
821 (gen_nop_type): Ifdef out.
822 (find_best_packet): Initialize best_packet.
823 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
825 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
826 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
827 (flushrs): Add explicit stop bit at end.
828 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
831 2001-01-23 Chris Demetriou <cgd@broadcom.com>
833 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
835 * libgcc2.c (__terminate_func): Make variable static.
836 (__terminate_set_func): New function to set __terminate_func.
837 * libgcc2.h (__terminate_func_ptr): New typedef.
838 (__terminate_set_func): New function.
840 2001-01-23 Richard Henderson <rth@redhat.com>
842 * flow.c (init_propagate_block_info): Don't consider unchanging
843 memories for dead frame store elimination.
845 2001-01-23 Richard Henderson <rth@redhat.com>
847 * varasm.c (UNIQUE_SECTION): Move default implementation ...
848 * defaults.h: ... here.
850 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
852 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
854 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
856 * c-lex.c (lex_charconst): Fix typo: s/p/str.
858 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
860 * rs6000.h (rs6000_return_addr): Move prototype from here...
861 * rs6000-protos.h (rs6000_return_addr): ...to here.
862 (rs6000_init_expanders): Delete prototype.
864 2001-01-23 Nick Clifton <nickc@redhat.com>
866 * invoke.texi: Replace , with \, inside @gccoptlist macros.
867 (Spec Files): Document %B and %j and %. and %v3 and %M and
868 %{S*&T} spec switches.
870 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
872 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
874 2001-01-23 Chris Demetriou <cgd@sibyte.com>
875 Neil Booth <neil@daikokuya.demon.co.uk>
877 * cpperror.c: Merge handlers of PEDWARN and WARNING.
878 Have -Werror make pedantic warnings errors, like the
881 2001-01-23 Phil Edwards <pme@sources.redhat.com>
883 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
885 2001-01-23 Jakub Jelinek <jakub@redhat.com>
887 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
888 * integrate.c (expand_inline_function): Initialize them.
889 (subst_constants): If changing COMPARE so that both its arguments
890 will be VOIDmode and the comparison mode will be lost, note
891 compare_mode. Use the recorded compare_mode to optimize
894 2001-01-23 Jason Merrill <jason@redhat.com>
896 * dwarf2out.c (new_die): Use xcalloc.
897 (output_die): Abort rather than emit a local reference to offset 0.
899 2001-01-17 Andrew Haley <aph@redhat.com>
901 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
902 of a saved register; return NULL instead.
903 (copy_reg): Take a pointer to a source register rather than a
905 (next_stack_level): Remember the address in the stack frame of all
907 Use the saved register pointer array as the source of the CFA.
908 (throw_helper): Rewrite. Unwind once rather than twice and keep
909 track of saved registers as we go.
911 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
913 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
914 * c4x.c (c4x_legitimize_reload_address): Remove.
915 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
916 reload address for ldp(k) insn.
918 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
920 * pa.md (return_internal): Add a USE of the PIC register to ensure
921 it is restored after each call.
922 (return expander): Corresponding changes.
924 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
926 * rs6000.h (INIT_EXPANDERS): Delete.
927 (RETURN_ADDR_RTX): Call rs6000_return_addr().
928 * rs6000.c (rs6000_override_options): Call *_machine_status from
930 (rs6000_init_expanders): ...instead of here. Delete.
931 (rs6000_mark_machine_status): New function.
932 (rs6000_init_machine_status): Use xcalloc.
933 (rs6000_return_addr): Generate RTX for the return address.
934 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
935 (rs6000_stack_info): Use it.
937 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
939 * gthr-win32.h: Include errno.h to get a declaration for
940 EINVAL and _mingw.h if the target is mingw32.
942 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
944 * cpp.texi: Correct typos.
946 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
948 * explow.c (probe_stack_range): Ensure value passed to
949 stack_check_libfunc is ptr_mode, not Pmode.
951 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
953 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
954 case, don't use operand_subword to calculate a SUBREG that is
957 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
959 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
961 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
962 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
963 valid. If not replace it by equivalent insns.
965 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
967 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
968 contains SYMBOL_REF, LABEL_REF and CONST_INT.
969 (c4x_U_constraint, symbolic_address_operand): Likewise.
970 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
972 (c4x_r11_set_p, c4x_check_laj_p): New functions.
973 * c4x-protos.h (c4x_check_laj_p): Add prototype.
974 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
975 anulling slot because of silicon bug.
976 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
978 2001-01-22 Alan Modra <alan@linuxcare.com.au>
980 * cppexp.c (parse_charconst): Change `mask' type to agree
983 2001-01-21 Richard Henderson <rth@redhat.com>
985 * config/i386/i386.c (ix86_asm_file_end): Disable putting
986 pic_label_name in a linkonce section.
988 2001-01-17 Philipp Thomas <pthomas@suse.de>
990 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
992 * configure: Regenerate.
994 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
996 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
997 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
999 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1001 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1002 If REVERSE nonzero then condition code in X must be reversed.
1003 (encode_section_info): Optimise if/else.
1004 (avr_function_value): Fix formatting.
1006 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1007 (difficult_branch): Likewise.
1008 (rvbranch): Likewise.
1009 (difficult_rvbranch): Likewise.
1011 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1013 * config/avr/libgcc.S: Fix comment.
1015 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1017 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1019 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1021 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1023 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1025 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1026 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1027 * configure, config.in: Regenerate.
1028 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1029 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1030 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1031 (doprint.o): New rule.
1033 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1035 * c-typeck.c (digest_init): Handle boolean types as scalars.
1037 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1039 * stmt.c (expand_return): Don't return anything if size is zero.
1040 Delete redundant assignment to BYTES.
1041 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1043 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1045 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1046 the same as the default library function names.
1047 * config/avr/avr.md: Document special characters after '%'.
1048 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1049 knowing which of the call-used registers are really clobbered.
1050 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1051 New. Both quotient and remainder from one libgcc.S call.
1052 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1053 clobber as few registers as possible.
1054 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1056 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1058 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1059 context of the top of the stack.
1061 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1063 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1064 (fixup_var_refs_insns): ...here.
1066 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1068 * function.c (fixup_var_refs_insns): Break up into
1069 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1070 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1071 [loop over hash table entries].
1072 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1073 fixup_var_refs_insns_with_hash, to match above changes.
1075 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1077 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1078 (libgcc.a): Likewise.
1079 (stmp-multilib): Likewise.
1080 (STAGE2_FLAGS_TO_PASS): Likewise.
1082 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1084 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1085 temporary if no_new_pseudos.
1087 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1089 * cppinternals.texi: Update.
1091 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1093 * arm.c (arm_init_builtins): Re-enable builtins.
1095 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1097 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1098 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1099 element to be null, and always expect an EXPR_LIST.
1100 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1101 * sched-deps.c (sched_analyze_1): Likewise.
1102 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1104 * regclass.c (max_set_parallel): New variable.
1105 (reg_scan): Take it into account in computation of max_parallel.
1106 (reg_scan_mark_refs, case SET): Compute it.
1108 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1110 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1111 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1113 2001-01-19 Jason Merrill <jason@redhat.com>
1115 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1116 for the abstract instance of an inline function.
1118 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1119 J"orn Rennecke <amylaar@redhat.com>
1121 * reload1.c (move2add_note_store): Treat all registers directly or
1122 indirectly derived from a base register as members of the same set
1124 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1125 of base register into account.
1127 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1129 * alias.c (find_base_value): Recognize TRUNCATE.
1130 (record_set): In PLUS case, invalidate if other summand is also a
1133 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1135 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1136 entry to be EXPR_LIST.
1137 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1138 be an EXPR_LIST (but not null, which other code doesn't allow).
1139 (note_stores): Properly handle PARALLEL in SET.
1140 Recursively call for top-level PARALLEL.
1141 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1142 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1144 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1146 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1148 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1149 not pfile->skipping (== 0).
1151 2001-01-17 Nick Clifton <nickc@redhat.com>
1153 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1156 2001-01-17 Jim Wilson <wilson@redhat.com>
1158 * invoke.texi (IA-64 options): Improve.
1160 2001-01-17 Tom Tromey <tromey@redhat.com>
1162 * invoke.texi (Optimize Options): Use `{}' to around @samp
1165 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1167 * invoke.texi (-fno-guess-branch-probability): New option.
1169 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1171 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1172 case of making new double-word constant.
1173 Revert last change: instead just test i3_subst_into_i2.
1175 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1177 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1178 Use q constraints instead of r.
1180 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1182 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1183 (machine_function): Define.
1184 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1185 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1186 pa_free_machine_status): New functions.
1187 (override_options): Set {init,mark,free}_machine_status to above.
1188 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1189 PIC_OFFSET_TABLE_REGNUM_SAVED.
1190 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1191 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1192 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1193 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1194 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1196 2001-01-15 DJ Delorie <dj@redhat.com>
1198 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1202 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1204 * flow.c (propagate_on_insn): Make trying to delete a prologue
1205 or epilogue insn an ICE, not a warning. Allow doing this if
1206 the current function returns with stack pointer depressed.
1208 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1209 I3 having more than one SET.
1211 2001-01-16 Jim Wilson <wilson@redhat.com>
1213 * invoke.texi: Document IA-64 options.
1215 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1216 (fixup_errata): Delete TARGET_A_STEP use.
1217 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1218 (TARGET_SWITCHES): Delete -ma-step option.
1219 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1220 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1221 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1222 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1223 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1224 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1226 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1227 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1228 cmovsi_internal): Delete ! TARGET_A_STEP check.
1230 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1232 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1233 possibility to report bugs via postal mail. Change a URL and
1234 merge in a nearly duplicate statement...
1235 (Bug Reporting): ...from here.
1236 (Service): Refer to the Bug Reporting section instead of
1238 (Contributing): Remove trivial explanations concerning snapshots.
1240 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1242 * cppmain.c (general_init): Don't use ANSI prototype.
1244 2001-01-16 Tom Tromey <tromey@redhat.com>
1246 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1248 2001-01-16 Richard Henderson <rth@redhat.com>
1250 * config/i386/i386.h: Fix comment typo.
1251 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1252 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1254 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1256 * gcc.c: Revert previous -fsyntax-only-related change; move
1259 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1261 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1262 inmode after checking GET_CODE (op).
1264 2001-01-16 Richard Henderson <rth@redhat.com>
1266 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1267 (MAX_MEM_SET_LIST_LEN): New.
1268 (propagate_one_insn): Update mem_set_list_len.
1269 (invalidate_mems_from_autoinc): Likewise.
1270 (invalidate_mems_from_set): Likewise.
1271 (mark_used_regs): Likewise.
1272 (init_propagate_block_info): Likewise. Stop collecting memories
1273 when we reach MAX_MEM_SET_LIST_LEN.
1274 (mark_set_1): Likewise.
1276 2001-01-16 Richard Henderson <rth@redhat.com>
1278 * unroll.c (precondition_loop_p): Fail if no iteration
1281 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1283 * gcc.c: When -fsyntax-only is given, do not complain about
1286 2001-01-15 Richard Henderson <rth@redhat.com>
1288 * config/i386/i386.c (asm_output_function_prefix): Remove.
1289 (ix86_asm_file_end): New.
1290 (load_pic_register): Generate pic_label_name into a
1291 staticly allocated buffer.
1292 * config/i386/i386-protos.h: Update.
1293 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1294 (ASM_FILE_END): New.
1295 * config/i386/i386afe.h: New file.
1296 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1297 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1298 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1299 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1300 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1301 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1302 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1304 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1306 * Makefile.in (install-man): Remove explicit dependency on
1309 * configure.in, configure: Revert previous patch requiring perl
1312 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1314 * toplev.c (flag_guess_branch_prob): New.
1315 (f_options): Add guess-branch-probability option.
1316 (rest_of_decl_compilation): Only estimate branch probability if
1318 (main): set flag_guess_branch_prob.
1320 * flags.h (flag_guess_branch_prob): New.
1322 2001-01-15 DJ Delorie <dj@redhat.com>
1324 * gcc.texi (Makefile): Add documentation for Makefile targets.
1326 2001-01-15 Philip Blundell <philb@gnu.org>
1328 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1330 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1331 (is_pic): Delete declaration.
1332 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1333 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1334 * config/arm/arm.md (builtin_setjmp_receiver): New.
1336 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1338 * arm.c (use_return_insn): Don't try to determine the function type
1339 until after reload has completed.
1340 (arm_output_epilogue): Don't adjust the sp value recovered from the
1342 (emit_multi_reg_push): Don't record dwarf information for the pc.
1343 * arm.md (eh_epilogue): The function type may have changed, so it
1344 needs to be recalculated.
1345 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
1346 unwind tables on arm/netbsd.
1348 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1350 * arm.md (cbranchsi4): Correct calculation of branch ranges.
1351 (negated_cbranchsi4): Likewise.
1353 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1355 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
1356 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1357 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
1358 pass -mapcs-* options to assembler.
1359 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
1360 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1361 (ASM_SPEC): Call subtarget_extra_asm_spec.
1363 2001-01-15 Andreas Jaeger <aj@suse.de>
1365 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1367 (ix86_expand_builtin): Likewise.
1369 * gencodes.c (output_predicate_decls): Make i size_t to avoid
1370 warning about comparison between signed and unsigned.
1372 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1374 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
1376 2001-01-14 Ralf Baechle <ralf@gnu.org>
1378 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
1379 SUBTARGET_CPP_SPEC apropriatly.
1381 2001-01-12 Mark Mitchell <mark@codesourcery.com>
1383 * varasm.c (make_decl_rtl): Fix typo in last change.
1385 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
1387 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
1388 linker supports the init_priority C++ attribute.
1389 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
1390 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
1391 linker does not support init_priority C++ attribute.
1393 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
1395 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
1397 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1399 * c-parse.in (finish_parse): Add comment about cpp_destroy.
1400 * cp/lex.c (finish_parse): Similarly.
1401 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
1402 Return the number of errors encountered.
1403 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
1404 * cppmain.c (main): Don't call cpp_destroy.
1406 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
1408 * configure.in: Require at least perl 5.6.0 to regenerate
1410 * configure: Regenerate.
1412 2001-01-14 Richard Henderson <rth@redhat.com>
1414 * genrecog.c (DT_veclen_ge): New.
1415 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
1416 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
1417 (nodes_identical_1): Handle DT_veclen_ge.
1418 (write_cond, debug_decision_2): Likewise.
1420 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1422 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
1424 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
1426 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1428 * cppmain.c (do_preprocessing): New function; most of the old
1430 (main): Call it to do most of the work.
1431 (cb): Move from global scope to set_callbacks ().
1432 (setup_callbacks): Get the callback pointer.
1433 (general_init, printer_init): Clean up code and comments.
1435 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1437 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1440 2001-01-14 Kazu Hirata <kazu@hxi.com>
1442 * config/h8300/h8300.c (get_shift_alg): Update comments.
1444 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1446 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1447 (alloc_page, ggc_alloc): Add casts to remove warnings.
1449 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1451 * combine.c (simplify_comparison): Don't change `code' when
1452 can't reverse comparison.
1454 2001-01-14 Richard Henderson <rth@redhat.com>
1456 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1457 update all call sites. Return true for all non-label constants.
1459 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1461 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1463 (ix86_expand_branch): Update.
1464 (ix86_expand_setcc): Update to handle multiple test conditions.
1465 (expand_int_movcc): Likewise.
1466 (expand_fp_movcc): Likewise.
1467 * i386-protos.h (ix86_expand_compare): New.
1468 * i386.md (andqi_?_slp, orqi_?_slp): New.
1469 (conditional trap expander): Update call to ix86_expand_compare.
1471 2001-01-14 Richard Henderson <rth@redhat.com>
1473 * config/vax/vax.md: Use nonimmediate_operand instead of
1474 general_operand in destinations.
1476 * config/vax/vax.md (indirect_jump): Use register_operand.
1478 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1479 * config/vax/vax.md (call_pop): Turn into an expander.
1480 (call_value_pop): Likewise.
1481 (call, call_value): New.
1483 2001-01-14 Andreas Jaeger <aj@suse.de>
1485 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1487 (ix86_fp_compare_mode): Add unused attribute.
1488 (ix86_expand_fp_movcc): Remove unused variable.
1489 (ix86_expand_builtin): Make fcode unsigned.
1491 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1492 (expand_expr): Add cast to avoid signed warning.
1493 (store_field): Likewise.
1494 (store_constructor_field): Likewise.
1495 (store_constructor): Likewise.
1496 (store_expr): Likewise.
1497 (clear_storage): Likewise.
1498 (emit_group_store): Likewise.
1499 (emit_group_load): Likewise.
1501 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1503 * c-common.c: Move format checking code to ...
1504 * c-format.c: ... here. New file. Reorder some functions and
1506 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1508 * c-common.h (decl_handle_format_attribute,
1509 decl_handle_format_arg_attribute): Declare.
1510 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1511 (c-common.o): Adjust dependencies.
1512 (c-format.o): New list of dependencies.
1514 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1516 * unroll.c (loop_iterations): If we cannot prove iteration variable
1517 is set once in each iteration, punt.
1519 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1521 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1522 (*strlenhi): Remove clobber (which was buggy) of output address.
1524 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1526 * Makefile.in (generated-manpages): Add gcc.1
1527 ($(srcdir)/gcc.1): New target.
1528 (maintainer-clean): Delete $(srcdir)/gcc.1.
1529 * gcc.texi: Add macros @gccoptlist and @gol.
1530 * invoke.texi: Include option summary in manpage. Mark up option
1531 summary with @gccoptlist and @gol. Use @r in one place where
1533 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1534 * gcc.1: Generate from invoke.texi.
1536 2001-01-13 Richard Henderson <rth@redhat.com>
1538 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1539 (struct page_entry): Add group member.
1540 (struct page_group): New.
1541 (struct globals): Add page_groups member.
1542 (alloc_anon): Only define for using mmap; remove valloc call.
1543 (page_group_index): New.
1544 (set_page_group_in_use): New.
1545 (clear_page_group_in_use): New.
1546 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1547 (free_page, release_pages): Likewise.
1548 * configure.in (with-gc): Default to ggc-page always.
1550 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1552 * reload1.c (replace_pseudos_in_call_usage): Use
1553 reg_equiv_constant and reg_equiv_address, and don't try
1554 regno_reg_rtx first.
1556 2001-01-13 Richard Henderson <rth@redhat.com>
1558 * ggc-page.c (alloc_page): Round up allocation size to one page.
1559 Set e->order on extra pages.
1561 2001-01-13 Richard Henderson <rth@redhat.com>
1563 * genrecog.c (nodes_identical): Expand commentary.
1564 (write_switch): Watch out for identical nodes.
1566 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1568 * cppfiles.c (_cpp_fake_include): New function.
1569 * cpphash.h (_cpp_fake_include): New.
1570 * cpplib.c (do_line): Call _cpp_fake_include when entering
1571 header files in preprocessed input.
1572 * cppmain.c (cb_pragma_implementation): Remove handling.
1573 (setup_callbacks): Don't register pragmas.
1575 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1577 * extend.texi: Udate for CPP.
1579 2001-01-13 Andreas Jaeger <aj@suse.de>
1581 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1583 * regmove.c: Add prototype for replace_in_call_usage.
1585 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1587 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1588 struct cpp_chunk, struct htab, struct toklist,
1589 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1590 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1591 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1592 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1593 (struct macro_args): Delete.
1594 * cpphash.h: See above.
1596 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1598 * cppmain.c (struct printer): Remove no_line_dirs.
1600 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1601 : Use options rather than CPP_OPTION.
1602 (setup_callbacks): Use cb rather than pfile->cb.
1603 (main): No need to check for a buffer. Use cpp_errors.
1604 (printer_init): Don't set no_line_dirs.
1605 (maybe_print_line): Use options not no_line_dirs.
1606 (cb_file_change): Don't call print_line if -P.
1608 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1610 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1612 * c-parse.in (finish_parse): Use cpp_errors.
1613 (__yylex): Use return value of cpp_pop_buffer.
1614 * cp/lex.c (finish_parse): Use cpp_errors.
1615 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1617 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1619 * README.AVR: URLs corrected.
1621 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1623 * c-decl.c (start_function): Don't warn if old prototype is builtin
1624 that's not in C's namespace.
1625 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1626 (_bb): Add prototype for ctime.
1627 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1629 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1631 * i386.c (ix86_fp_comparison_arithmetics_cost,
1632 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1633 ix86_fp_comparison_cost): New functions.
1634 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1635 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1636 two-branch sequences; make static.
1637 (ix86_use_fcomi_compare): Do decision according to the costs.
1638 (split_fp_branch): New.
1639 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1640 * i386-protos.h (ix86_expand_fp_compare): Remove
1641 (ix86_split_fp_branch): Declare.
1643 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1644 and ix86_comparison_operator.
1646 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1649 * i386.c (put_condition_code): Output properly the unordered/ordered
1650 compares in fp case.
1651 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1653 * tm.texi (REVERSE_CONDITION): Document.
1654 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1655 in -ffast-math mode.
1656 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1658 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1660 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1662 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1665 * config/sh/sh.c (mova_p): Fix test for mova_const.
1667 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1669 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1670 cpp_get_options rather than dereferencing pfile and using
1672 * scan-decls.c (scan_decls): Use return value of
1673 cpp_pop_buffer rather than CPP_BUFFER.
1675 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1677 * cppinit.c (cpp_handle_option): help_only is now part of the
1678 cpp_options structure.
1679 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1680 cpp_set_callbacks): New functions.
1681 * cpplib.h (cpp_callbacks): Break out as a named structure.
1682 (cpp_options): Move help_only here from cpp_reader.
1683 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1684 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1685 cpp_set_callbacks): New prototypes.
1686 * cppmain.c (main): Update for help_only.
1688 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1690 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1691 Also build and remove and install and uninstall c-tree.info and
1693 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1694 ($(srcdir)/cppinternals.info): New target.
1695 * c-tree.texi: Change file name used when makeinfo used without -o
1696 from ir.info to c-tree.info. Add info directory entry.
1697 * cppinternals.texi: Add info directory entry.
1698 * .cvsignore: Update.
1700 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1702 * c-typeck.c (store_init_value): Don't require constant initializer
1703 elements with -pedantic -std=c99.
1704 (digest_init): Change error about non-constant initializer elements
1706 (constructor_range_end): Remove.
1707 (constructor_incremental, designator_depth,
1708 designator_errorneous): New variables.
1709 (struct constructor_stack): Remove range_end, add incremental.
1710 (struct constructor_range_stack, constructor_range_stack): New.
1711 (struct initializer_stack): Add constructor_range_stack.
1712 (finish_init): Set it.
1713 (start_init): Likewise. require_constant_elements for non-static
1714 trees only if not flag_isoc99.
1715 (really_start_incremental_init): Remove constructor_range_end, add
1716 constructor_incremental.
1717 (pop_init_level): Likewise.
1718 (push_init_level): Likewise. If implicit and the subobject had some
1719 value set already, preinitialize the level with it.
1720 Warn about missing braces only if not pushing due to designators.
1721 (set_designator, push_range_stack): New functions.
1722 (set_init_label): Use them.
1723 (set_init_index): Likewise. Remove constructor_range_end.
1724 Error if designator index is outside of array bounds.
1725 (add_pending_init): Compare values of purpose index trees, not the
1726 trees themselves. Allow overwriting of already initialized element.
1727 Issue a warning if it had side-effects.
1728 (set_nonincremental_init, set_nonincremental_init_from_string): New
1730 (pending_init_member): Rename to...
1731 (find_init_member): ...this function. Call set_nonincremental_init
1732 if necessary. Compare values of purpose index trees, not the trees
1733 themselves. Return the actual value, not just non-zero if something
1735 (output_init_element): Remove checks for duplicates.
1736 If field has zero size, only check the initializer for correctness.
1737 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1738 if constructor_incremental is zero. Change error about initializers
1739 not computable at load time into pedwarn.
1740 (output_pending_init_elements): Compare bit positions, not
1741 FIELD_DECLs to take into account zero-sized fields.
1742 (process_init_element): Use constructor_range_stack to fill all
1743 ranges in the designator lists from current level up.
1744 * extend.texi: Update documentation for labeled elements.
1746 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1748 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1749 to function usage for arguments passed by reference. Optimize
1750 callee-copied arguments.
1751 * regmove.c (replace_in_call_usage): New function.
1752 (fixup_match_1): Call it.
1753 * cse.c (cse_insn): Canonicalize registers in function usage.
1754 * reload1.c (replace_pseudos_in_call_usage): New function.
1757 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1760 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1762 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1765 2001-01-12 DJ Delorie <dj@redhat.com>
1767 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1768 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1771 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1773 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1774 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1775 -std options alongside references to -ansi. Update some
1776 documentation for C99.
1777 * cpp.1: Regenerate.
1779 2001-01-12 Andreas Jaeger <aj@suse.de>
1781 * haifa-sched.c (restore_line_notes): Remove argument block B
1783 * sched-ebb.c (schedule_ebb): Change caller.
1784 * sched-rgn.c (schedule_region): Likewise.
1785 * sched-int.h (restore_line_notes): Adjust prototype.
1787 * loop.h: Remove wrong declaration of doloop_condition_get.
1789 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1791 * extend.texi: Move C++-extension-related node from the C section
1792 into the C++ section.
1794 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1796 * extend.texi: Refer to an array of pointers to functions instead
1797 of one of functions.
1799 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1800 Jan Hubicka <jh@suse.cz>
1802 * combine.c (reversed_comparison): Fix typo in last patch.
1804 (combine_reversed_comparison_code): Make static to follow
1805 prototype declaration.
1807 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1809 * install.texi: Remove misplaced duplicate entry.
1811 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1813 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1815 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1817 * final.c: (leaf_function_p): Fix typo.
1819 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1821 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1822 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1824 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1825 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1826 mmap_anon, and valloc is available.
1827 * ggc-page.c: Restructure ifdef logic to match new autoconf
1828 spec. Don't throw away the test page in init_ggc.
1830 * configure, config.in: Regenerate.
1832 2001-01-12 Michael Hayes <mhayes@redhat.com>
1834 * loop.h (total_biv_increment): Constify iv_class pointer.
1835 (struct induction): Replace `mem_mode' with `mem' rtx.
1836 * unroll.c (total_biv_increment): Constify iv_class pointer.
1837 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1838 (find_mem_givs, combine_givs_p): Likewise.
1839 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1841 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1843 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1845 (__gthread_getspecific): Ditto.
1847 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1849 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1850 put_condition_code): Convert fp comparison codes to integer
1852 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1855 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1856 * i386-protos.h (no_comparison_operator): Kill.
1858 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1860 * combine.c (REVERSIBLE_CC_MODE): Remove.
1861 (reversible_comparison_p): Remove.
1862 (combine_reversed_comparison_code): New.
1863 (reversed_comparison): New.
1864 (combine_simplify_rtx): Use
1865 combine_reversed_comparison_code/reversed_comparison instead
1866 of reversible_comparison_p.
1867 (simplify_if_then_else): Likewise.
1868 (simplify_set): Likewise.
1869 (simplify_logical): Likewise.
1870 (if_then_else_cond): Likewise.
1871 (known_cond): Likewise.
1872 (simplify_comparison): Likewise.
1874 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1876 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1877 sizeof (int) is larger than sizeof(__word__).
1879 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1881 * cppinit.c (do_includes): Fix typo.
1883 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1885 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1886 in S_REGS does not occur because not all sources are possible
1887 when a S_REGS is a destination (sometimes needs a clobber).
1888 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1889 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1890 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1891 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1892 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1893 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1894 (lshrdi_const1, lshrsi3_const16): Likewise.
1895 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1896 (*movhi_68hc12, *movqi_68hc12): Likewise.
1897 (movstrictqi): Make sure reloading in D_REGS as a destination
1900 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1902 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1904 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1906 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1907 -D, -U and -A, and don't initialize the builtins.
1908 (do_includes): Error if -include or -imacros with -fpreprocessed.
1909 * cppmain.c (cb_define, cb_undef): Unconditionally process
1911 * tradcpp.c (main): Fix typo.
1913 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1915 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1916 (read_name_map): Use IS_ABSOLUTE_PATH.
1917 * tradcpp.c (get_filename): Likewise.
1919 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1921 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1922 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1923 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1924 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1925 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1926 (cmphi_z_used): Don't use '@' for the output.
1927 (tstqi_z_used): Likewise.
1928 (cmpqi_z_used): Likewise.
1929 (one_cmplsi2): Likewise.
1931 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1933 * config/sh/sh.c (barrier_align): Recognize branch around far
1934 branch and redundant insn.
1936 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1938 * invoke.texi: Restore documentation of the drivers' switches -MD
1941 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1943 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1945 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1946 check-objc//%): Support parallel testing of multilibs.
1947 (TESTSUITEDIR): Set to testsuite by default, but override for
1949 (check-gcc, check-g++, check-g77, check-objc): Enter
1952 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1954 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1955 * sched-deps.c (deps_may_trap_p): Likewise.
1956 * basic-block.h: Remove a comment.
1957 * flow.c (PROP_POSTRELOAD): Remove.
1958 (update_life_info): Don't add it to prop_flags.
1959 (mark_set_1): Lose the code that was enabled by it.
1961 2001-01-11 Michael Hayes <mhayes@redhat.com>
1963 * flow.c (flow_call_edges_add): New.
1964 * basic_block.h (flow_call_edges_add): New.
1966 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1968 * reload1.c (move2add_note_store): Update reg_set_luid even if
1969 base reg remains the same.
1971 2001-01-10 Nick Clifton <nickc@redhat.com>
1973 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1974 machine_function structure to zero.
1975 Add prototypes for machine_status functions.
1977 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1979 * c-common.h (CTI_VOID_LIST): Remove.
1980 (void_list_node): Likewise.
1981 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1982 (void_list_node): New macro.
1983 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1984 * config/i386/i386.c (ix86_init_builtins): Likewise.
1985 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1987 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1989 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1990 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1992 * tradcpp.c: Include mkdeps.h.
1993 (deps, print_deps_phony_targets, deps_append, output_deps,
1994 init_dependency_output, output_deps): New.
1995 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1996 deps_output): Delete.
1997 (print_deps_missing_files): Rename deps_missing_files.
1998 (inhibit_output): Make global.
1999 (main): Delete inhibit_output, deps_stream, deps_target.
2000 Use mkdeps functionality in the same way as cpplib. Remove
2001 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2002 -M and -MM. Remove old handling of deps via deps_out, and
2003 old reading of environment variables.
2004 (get_filename): Update to use deps_add_dep.
2006 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2008 * output.h (make_function_rtl): Remove prototype.
2009 (make_decl_rtl): Likewise.
2010 * varasm.c (make_function_rtl): Remove.
2011 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2012 than from a third parameter.
2013 * tree.h (make_decl_rtl): Remove last parameter.
2014 * c-decl.c (builtin_function): Remove last argument in call to
2015 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2016 (start_function): Likewise.
2017 * except.c (call_get_eh_context): Likewise.
2018 * expr.c (emit_block_move): Likewise.
2019 (clear_storage): Likewise.
2020 * profile.c (output_func_start_profiler): Likewise.
2021 * toplev.c (rest_of_decl_compilation): Likewise.
2022 * objc/objc-act.c (create_builtin_decl): Likewise.
2023 (synth_module_prologue): Likewise.
2024 (generate_static_reference): Likewise.
2025 (build_selector_reference_decl): Likewise.
2026 (build_class_reference_decl): Likewise.
2027 (build_objc_string_decl): Likewise.
2028 (build_protocol_reference): Likewise.
2030 2001-01-10 Richard Henderson <rth@redhat.com>
2032 * hwint.h: Revert yesterday's change.
2034 2001-01-10 Nick Clifton <nickc@redhat.com>
2036 * function.h (save_machine_status): Delete.
2037 (restore_machine_status): Delete.
2038 Amend comment describing {init|mark|free}_machine_status.
2040 * function.c (save_machine_status): Delete.
2041 (restore_machine_status): Delete.
2042 Amend comment describing {init|mark|free}_machine_status.
2043 (push_function_context_to): Remove invocation of
2044 save_machine_status.
2045 (pop_function_context_from): Remove invocation of
2046 restore_machine_status.
2048 * emit-rtl.c (init_emit_once): Amend comment describing
2049 {init|mark|free}_machine_status.
2051 * tm.texi (Per-Function Data): New node. Describe the
2052 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2055 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2057 * cppinit.c (OPT_g): Remove.
2058 (cpp_handle_option): Update for removed -g3.
2059 (print_help): Update.
2060 * cpplib.h (struct cpp_options): Remove debug_output.
2061 * cppmain.c (setup_callbacks, cb_define): Update.
2062 * gcc.c (cpp_options): Translate -g3 to -dD.
2064 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2066 * config/i960/i960.md: Change modifier to + on the zero_extract
2067 pattern after the (rotate -2 reg) canonicalization pattern.
2069 2001-01-10 Richard Henderson <rth@redhat.com>
2071 * config/alpha/alpha.c (alpha_free_machine_status): New.
2072 (override_options): Install it.
2073 (alpha_mark_machine_status): Verify machine non-null.
2074 * config/i386/i386.c (ix86_free_machine_status): New.
2075 (override_options): Install it.
2076 (ix86_init_machine_status): Use xcalloc.
2077 (ix86_mark_machine_status): Verify machine non-null.
2078 * config/ia64/ia64.c (ia64_free_machine_status): New.
2079 (ia64_override_options): Install it.
2080 (ia64_mark_machine_status): Verify machine non-null.
2082 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2084 * function.c (instantiate_virtual_regs): Instantiate virtual
2085 registers found in CALL_INSN_FUNCTION_USAGE.
2087 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2089 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2090 equivalent to -ansi in disabling -Di386.
2092 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2094 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2096 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2098 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2100 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2102 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2104 * invoke.texi: Document that -fcond-mismatch isn't supported for
2107 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2109 * gcc.texi: Define macro gcctabopt.
2110 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2111 @command, @env and @option in some places where appropriate. Use
2112 @gcctabopt where appropriate. Put URLs and email addresses inside
2115 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2117 * gcc.c (cpp_options): Set MD file name from output
2118 filename, if specified.
2119 (suffix_subst): New static variable.
2120 (do_spec): Clear it.
2121 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2123 (give_switch): Handle suffix_subst.
2125 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2127 * invoke.texi: Fix another typo.
2129 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2131 * invoke.texi: Fix typo.
2133 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2135 * c-lang.c (lang_hooks): Update.
2136 (lang_decode_option): Remove.
2137 (lang_init_options): Rename c_init_options.
2138 * toplev.c (main): Use lang_hooks for lang_init_options
2139 and lang_decode_option.
2140 * toplev.h (lang_hooks): Add 2 new hooks.
2141 * tree.h: Remove lang_init_options and lang_decode_option.
2142 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2143 * cp/decl2.c: Similarly.
2144 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2145 (lang_hooks): Update.
2146 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2148 (lang_init_options): Rename ffe_init_options.
2149 (lang_hooks): Update.
2150 (lang_decode_option): Remove.
2151 * java/lang.c (lang_init_options): Rename java_init_options.
2152 (lang_decode_option): Rename java_decode_option.
2153 (lang_hooks): Update.
2154 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2155 (lang_decode_option): Rename objc_decode_option.
2156 (lang_hooks): Update.
2158 2001-01-09 Nick Clifton <nickc@redhat.com>
2160 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2161 (d30v_return_addr_rtx): Delete.
2162 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2163 cfun->machine structure.
2164 (struct machine_function): Move to d30v.h
2165 (d30v_save_machine_status): Delete.
2166 (d30v_restore_machine_status): Delete.
2167 (d30v_init_machine_status): New Function.
2168 (d30v_mark_machine_status): New Function.
2169 (d30v_free_machine_status): New Function.
2170 (d30v_init_expanders): Use new functions.
2171 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2172 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2173 d30v_return_addr_rtx.
2175 * config/d30v/d30v.h (struct_machine): Move here.
2176 Add eh_epilogue_sp_ofs field.
2178 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2179 field in cfun->machine structure.
2181 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2183 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2184 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2185 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2187 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2189 * objc/lang-options.h: Remove bogus reference to
2192 2001-01-09 Kazu Hirata <kazu@hxi.com>
2194 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2197 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2199 * reload.c (find_reloads_address): Check for eliminable registers
2200 when substituting a constant expression for a pseudo.
2202 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2204 * c-common.c (enum format_type): Add format_type_error.
2205 (decode_format_type): New function.
2206 (decl_attributes): Use it.
2207 (format_kind_info): Adjust comment.
2209 2001-01-09 David O'Brien <obrien@BSDi.com>
2211 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2212 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2214 * config/i386/gnu.h: Don't include required platform specific .h files,
2215 tm.h will do it instead.
2216 * config/i386/i386elf.h: Likewise.
2217 * config/i386/linux.h: Likewise.
2218 * config/i386/moss.h: Likewise.
2219 * config/mips/gnu.h: Likewise.
2221 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2223 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2224 (rs6000-ibm-aix3.[01]*): Likewise.
2225 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2226 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2227 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2228 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2229 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2230 (powerpc-*-eabiaix*): Likewise.
2231 (powerpc-*-eabisim*): Likewise.
2232 (powerpc-*-elf*): Likewise.
2233 (powerpc-*-eabi*): Likewise.
2234 (powerpc-*-rtems*): Likewise.
2235 (powerpc-*-linux*libc1): Likewise.
2236 (powerpc-*-linux*): Likewise.
2237 (powerpc-wrs-vxworks*): Likewise.
2238 (powerpcle-wrs-vxworks*): Likewise.
2239 (powerpcle-*-sysv*): Likewise.
2240 (powerpcle-*-elf*): Likewise.
2241 (powerpcle-*-eabisim*): Likewise.
2242 (powerpcle-*-eabi*): Likewise.
2243 (powerpcle-*-solaris2*): Likewise.
2244 * config/rs6000/aix31.h: Delete includes.
2245 * config/rs6000/aix3newas.h: Likewise.
2246 * config/rs6000/aix41.h: Likewise.
2247 * config/rs6000/aix43.h: Likewise.
2248 * config/rs6000/beos.h: Likewise.
2249 * config/rs6000/rtems.h: Likewise.
2250 * config/rs6000/sysv4.h: Likewise.
2252 2001-01-09 Kazu Hirata <kazu@hxi.com>
2254 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2255 Change an argument mode of machine_mode to shift_mode of
2256 shift_mode. Remove an extra error check.
2257 (emit_a_shift): Adopt to the new calling prototype of
2259 (function_prologue): Fix code for a monitor
2260 function. Support H8/S.
2261 (function_epilogue): Do not output pop for a monitor function.
2263 2001-01-09 Nick Clifton <nickc@redhat.com>
2265 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2266 (setup_incoming_varargs): Use sysv_varargs_p field of the
2267 cfun->machine structure.
2268 (struct machine_function): Move to rs6000.h
2269 (rs6000_save_machine_status): Delete.
2270 (rs6000_restore_machine_status): Delete.
2271 (rs6000_init_machine_status): New Function.
2272 (rs6000_free_machine_status): New Function.
2273 (rs6000_init_expanders): Use new functions.
2275 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2277 (struct machine_function): Move here.
2279 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2280 sysv_varargs_p field of the cfun->machine structure.
2282 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2284 (rs6000_restore_machine_status): Remove prototype.
2286 2001-01-09 Richard Henderson <rth@redhat.com>
2288 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2289 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2290 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2291 (sched_analyze_2, sched_analyze_insn): Likewise.
2292 (sched_analyze, init_deps): Likewise.
2293 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2294 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2295 (compute_block_backward_dependences): Update propagate_deps call.
2297 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2299 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2301 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2303 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2304 (cpp_handle_option): Handle them.
2305 (cpp_post_options): Ensure one of -M or -MM is specified with
2306 any other -M? option.
2307 (init_dependency_output): Suppress output with -MG.
2309 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2312 * invoke.texi: Update.
2314 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2316 * sh.md (reload_outsf): Generate recognizable patterns for
2319 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2321 * c-lang.c (lang_hooks): Update.
2322 (lang_init): Rename c_init.
2323 (lang_finish): Remove.
2324 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2326 * toplev.h (lang_hooks): Add init () and finish ().
2327 * tree.h (lang_init, lang_finish): Remove.
2328 * cp/tree.h (lang_init, lang_finish): Remove.
2329 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2330 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2332 (lang_init, lang_finish): Remove.
2333 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2334 (lang_hooks): Update.
2335 * java/lang.c (lang_init): Rename java_init.
2336 (lang_finish): Remove.
2337 (lang_hooks): Update.
2338 * objc/objc-act.c (lang_init): Rename objc_init.
2339 (lang_finish): Remove.
2340 (lang_hoooks): Update.
2342 20001-01-09 Graham Stott <grahams@redhat.com>
2344 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
2345 after `ptr` is initialised.
2347 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2349 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
2350 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
2351 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
2352 stack adjusts, instead of r3.
2354 2001-01-09 Michael Hayes <mhayes@redhat.com>
2356 * flow.c (flow_loop_scan): Break out of ...
2357 (flow_loops_find) ... here.
2358 * basic-block.h (flow_loop_scan): New.
2359 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
2360 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2362 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2364 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2366 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2367 realloc()ing macro_buffer.
2369 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2370 if it's wider than long and the target's long is wider than the
2373 2001-01-09 Mark Mitchell <mark@codesourcery.com>
2375 Remove support for using UWIN as a host machine.
2376 * configure.in: Issue an error message.
2377 * configure: Regenerated.
2378 * config.gcc: Remove xm_* UWIN configury.
2379 * config/i386/xm-uwin.h: Remove.
2381 2001-01-08 Nick Clifton <nickc@redhat.com>
2383 * config/v850/v850.c (ra_rtx): Delete.
2384 (v850_save_machine_status): Delete.
2385 (v850_restore_machine_status): Delete.
2386 (v850_init_machine_status): New function.
2387 (v850_mark_machine_status): New function.
2388 (v850_free_machine_status): New function.
2389 (v850_return_addr): Use ra_rtx field in machine structure.
2390 (v850_init_expanders): Use new functions.
2392 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
2393 * config/v850/v850.c: Change arguments to v850_output+* functions
2394 to take a const char *, to avoid compile time warning.
2395 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
2396 (USER_LABEL_PREFIX): Redefine.
2398 2000-01-08 Jim Wilson <wilson@redhat.com>
2400 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2401 1 to unsigned HOST_WIDE_INT before left shift.
2403 2001-01-08 Nick Clifton <nickc@redhat.com>
2405 * config/arm/arm.c (arm_mark_machine_status): Check to see if
2406 the machine structure has been allocated.
2407 (arm_free_machine_status): New function: Free the machine
2408 specific function structure.
2410 2001-01-08 Richard Henderson <rth@redhat.com>
2412 * jump.c (simplejump_p): Revert last change.
2414 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
2416 * cppinit.c (init): Rename init_library.
2417 (cpp_create_reader): Update.
2418 * gcc.c (cpp_options): If -o given, use it as the target of
2421 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2423 * arm.c (arm_arch5e): New variable.
2424 (all_cores): XScale is a 5TE device.
2425 (arm_override_options): Set arm_arch5e.
2426 (arm_init_builtins): __builtin_prefetch is in arch5e.
2427 * arm.h (arm_arch5e): Declare it.
2429 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2431 * arm.md (define_constants): Add defines for UNSPEC and
2432 UNSPEC_VOLATILE insns. Update all users.
2433 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2434 * arm.c (multi_register_push, note_invalid_constants)
2435 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2436 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2437 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2439 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2441 * jump.c (jump_optimize_1): Use reversed_comparison_code
2442 instead of can_reverse_comparison_p.
2443 (jump_back_p): Likewise.
2444 (invert_exp_1): Likewise.
2445 (thread_jumps): Likewise.
2446 * simplify-rtx.c (simplify_unary_operation): Likewise.
2447 (simplify_ternary_operation): Likewise.
2448 * cse.c (find_comparison_args): Convert to use
2449 can_reverse_comparison_p.
2450 (record_jump_equiv): Likewise.
2452 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2454 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2455 (EPILOGUE_USES): Define.
2456 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2457 automatically stack the LR if it isn't live.
2459 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2461 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2464 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2466 * ggc-page.c (max_alignment): New structure.
2467 (MAX_ALIGNMENT): New macro.
2468 (init_ggc): Use it to round up the sizes in the
2469 extra_order_size_table.
2471 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2473 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2476 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2478 * builtins.def (BUILT_IN_FPRINTF): New entry.
2480 * c-common.c (c_expand_builtin_fprintf): New function.
2481 (init_function_format_info): Handle __builtin_fprintf.
2482 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2483 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2485 * c-decl.c (duplicate_decls): Adjust comment.
2487 * extend.texi (fprintf): Document new builtin.
2489 2001-01-07 Richard Henderson <rth@redhat.com>
2491 * jump.c (simplejump_p): Recognize any single_set jump
2494 2001-01-07 Richard Henderson <rth@redhat.com>
2496 * configure.in (slibdir): Accept an --with-slibdir option.
2497 Use "test" not "[" in configure. Default to $(libdir).
2499 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2501 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2502 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2503 (SHLIB_LINK): Create links for the soname.
2504 * config/mips/t-iris6: Likewise.
2505 * config/sparc/t-slibgcc: Likewise.
2506 * config/sparc/t-slibgcc-sld: Likewise.
2508 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2510 * config/i386/i386.c (constant_call_address_operand): Accept
2511 (const (plus (symbol_ref) (const_int))).
2512 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2513 constant_call_address_operand.
2515 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2517 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2518 and LONG_LONG_TYPE_SIZE > 32.
2520 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2522 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2523 the previous change.
2525 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2527 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2529 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2530 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2531 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2534 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2536 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2538 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2540 * c-lang.c (c_post_options): Call cpp_post_options.
2541 * objc/objc-act.c (objc_post_options): Similarly.
2542 * cppmain.c (main): Similarly.
2543 * fix-header.c (read_scan_file): Similarly.
2544 * cppinit.c (cpp_start_read): Move option consistency checks
2545 to cpp_post_options. Don't call init_dependency_output.
2546 If needed, add default target and main file dependency.
2547 (OPT_MD, OPT_MMD): Remove.
2549 (cpp_handle_option): Update for OPT_* changes.
2550 (cpp_post_options): New.
2551 (init_dependency_output): Command line -MF overrides environment
2552 variables. Don't set default target etc. Suppress output
2553 if dependencies are going to stdout.
2554 (print_help): Update.
2555 * cpplib.h (cpp_post_options): New.
2556 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2558 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2560 * jump.c (comparison_dominates_p): Support unordered compares.
2562 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2564 * simplify-rtx.c (simplify_relational_operation): Always simplify
2565 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2568 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2570 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2571 (nonzero_bits): Likewise.
2572 (simplify_comparison): Likewise.
2573 (num_sign_bit_copies): Likewise; return more sane value depending
2574 on STORE_FLAG_VALUE.
2575 (known_cond): Do not assume EQ to be always true for equivalent
2578 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2580 * cse.c (fold_rtx): Handle unordered comparisons.
2582 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2584 * rtlanal.c (set_of_1): New static function.
2585 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2586 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2587 reg_set_last_last_regno): Remove.
2588 (set_of): New global function.
2589 (set_of_data): New structure.
2590 (reg_set_p, reg_set_last): Revamp for set_of.
2591 * rtl.h (set_of): New.
2593 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2595 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2596 * extend.texi: Document _Exit builtin.
2598 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2600 * (initialize, initialize_builtins,
2601 initialize_dependency_output, initialize_standard_includes):
2602 Rename s/initialize/init. Update.
2603 (init_dependency_output): Move to after
2604 cpp_handle_options, the correct location temporally at least.
2605 (opt_comp): Move next to init (), its caller. Fix prototype.
2606 (init): Make "initialized" local scope.
2607 (cpp_create_reader): Always call init ().
2608 (cpp_start_read): Update.
2609 (output_deps): New function, broken out of cpp_finish.
2610 (cpp_finish): Break out output_deps.
2612 2001-01-07 Richard Henderson <rth@redhat.com>
2614 * collect2.c (COFF specific stuff): Revert 12-06 patch
2615 to prototype system functions.
2617 2001-01-07 Michael Hayes <mhayes@redhat.com>
2619 * hard-reg-set.h: Add multiple include guard.
2620 * basic-block.h (struct loop): Add `sink' field.
2621 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2622 (emit_iv_add_mult): Delete.
2623 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2624 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2625 (unroll_loop): Remove end_insert_before argument.
2626 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2627 (maybe_eliminate_biv_1): Likewise.
2628 (emit_iv_add_mult): Delete.
2629 (gen_add_mult, loop_regs_update): New.
2630 (loop_insn_emit_after, loop_insn_emit_before): New.
2631 (loop_insn_sink, loop_insn_sink_or_swim): New.
2632 (emit_iv_add_mult): Delete.
2633 (scan_loop): Set loop->sink.
2634 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2635 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2636 (maybe_eliminate_biv_1): Likewise.
2637 (maybe_eliminate_biv_1): Add basic block argument.
2638 * unroll.c (unroll_loop): Remove end_insert_before argument.
2639 (find_splittable_regs): Likewise.
2640 (find_splittable_regs): Use loop_insn_sink and its ilk.
2641 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2643 2001-01-07 Michael Hayes <mhayes@redhat.com>
2645 * loop.h (loop_insn_hoist): New prototype.
2646 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2647 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2648 (check_dbra_loop, load_mems): Likewise.
2649 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2650 (find_splittable_givs): Likewise.
2652 2001-01-07 Michael Hayes <mhayes@redhat.com>
2654 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2656 2001-01-07 Richard Henderson <rth@redhat.com>
2658 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2660 2001-01-07 Richard Henderson <rth@redhat.com>
2662 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2663 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2664 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2665 variant that handles a shared libgcc.
2666 (process_command): Always validate -{static,shared}-libgcc.
2667 (do_spec_1): New 'M' case.
2668 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2670 2001-01-07 Richard Henderson <rth@redhat.com>
2672 * Makefile.in (slibdir): New variable.
2673 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2674 (installdirs): Create slibdir.
2675 (install-libgcc, install-multilib): Defer to libgcc.mk.
2676 * configure.in (slibdir): Substitute.
2677 * mklibgcc.in (install): New target.
2679 * config/t-linux (SHLIB_LINK): Create links for the soname.
2680 (SHLIB_INSTALL): New.
2681 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2682 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2683 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2684 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2685 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2687 2001-01-07 Richard Henderson <rth@redhat.com>
2689 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2690 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2691 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2693 2001-01-07 Michael Hayes <mhayes@redhat.com>
2695 * loop.c (count_loop_regs_set): Delete.
2696 (load_mems_and_recount_loop_regs_set): Delete.
2697 (loop_regs_scan): Merge common code from count_loop_regs_set,
2698 scan_loop, and load_mems_and_recount_loop_regs_set.
2699 (scan_loop): Call load_mems directly and loop_regs_scan
2700 again if new registers created.
2702 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2704 * toplev.c (main): Call the front-end specific post_options
2705 hook if one is given.
2706 * toplev.h (struct_lang_hooks, lang_hooks): New.
2707 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2708 for the C front end.
2709 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2710 lang_hooks for the C++ front end.
2711 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2712 lang_hooks for the ObjC front end.
2713 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2714 * java/lang.c (lang_hooks): Hooks for the Java front end.
2716 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2718 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2719 for verbose DWARF[2] debugging.
2720 (cb_define, cb_undef): The new callbacks.
2721 * toplev.h (debug_define, debug_undef): Make const correct.
2722 * toplev.c (debug_define, debug_undef): Similarly. Do not
2723 perform the verbosity tests here anymore.
2725 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2727 * reload.c (subst_reloads): Take INSN argument. When
2728 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2729 * reload.h (subst_reloads): Adjust prototype.
2730 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2731 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2732 present in JUMP_INSNs and copy them to JUMP_LABEL.
2733 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2734 JUMP_INSNs and insns with REG_LABELs that are followed by
2735 JUMP_INSNs with the same REG_LABEL.
2736 * sched-rgn.c (is_cfg_nonregular): Likewise.
2737 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2739 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2741 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2743 2001-01-06 Richard Henderson <rth@redhat.com>
2745 * loop.c (scan_loop): Use xcalloc for the regs array.
2746 (load_mems_and_recount_loop_regs_set): Zero the new memory
2747 received from xrealloc.
2749 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2751 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2753 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2755 * integrate.c (copy_rtx_and_substitute): When copying
2756 an ignored return value, strip REG_FUNCTION_VALUE_P.
2758 2001-01-06 Michael Hayes <mhayes@redhat.com>
2760 * loop.c (debug_biv, debug_giv): New.
2761 (loop_biv_dump): Break out from ...
2762 (record_biv): ... here.
2763 (loop_giv_dump): Break out from ...
2764 (record_giv): ... here.
2765 (loop_bivs_check): Use print_simple_rtl.
2766 * unroll.c (loop_iterations): Use print_simple_rtl.
2768 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2770 * pa.md (return, return_internal): Modify patterns to prevent regrename
2771 mucking with the return pointer.
2773 2001-01-05 Richard Henderson <rth@redhat.com>
2775 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2777 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2779 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2780 version supplied by Matteo Frigo.
2782 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2784 * cpp.texi: Update for -MQ.
2785 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2786 (cpp_cleanup): Always free pfile->deps.
2787 (initialize_dependency_output): Don't create pfile->deps.
2788 (cpp_handle_option): Similarly.
2790 * gcc.c (cpp_options): Handle -MQ.
2791 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2792 * mkdeps.c (base_name): Remove.
2793 (deps_init): Don't allocate vector space until it's needed.
2794 (deps_free): Only free vectors if allocated.
2795 (deps_add_target, deps_add_dep): Update for initial allocation.
2796 (deps_add_default_target): Don't strip to the base_name.
2798 2001-01-05 DJ Delorie <dj@redhat.com>
2800 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2801 (INIT_EXPANDERS): Define.
2803 * config/v850/v850.c (struct machine_function): Define.
2804 (v850_save_machine_status): New function.
2805 (v850_restore_machine_status): New function.
2806 (v850_return_addr): New function.
2807 (v850_init_expanders): New function.
2809 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2810 and v850_init_expanders.
2812 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2814 * cpplib.h (struct cpp_reader): Add help_only field.
2815 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2816 (cpp_handle_option): Set pfile->help_only if we see -h,
2817 --help, -target-help, or --version. Print version string but
2818 do not set help_only if we see -v or -version. Make text
2819 printed by -v match that printed by (-)-version.
2821 * cppmain.c (main): Exit after option parsing if
2822 pfile->help_only is true.
2824 * toplev.c (independent_decode_option): Call print_version,
2825 then exit, if we see --version (but not -version).
2826 (print_version): Split lengthy message into two lines.
2828 2001-01-05 Nick Clifton <nickc@redhat.com>
2830 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2831 temporary string for initialisation before calling ggc_alloc_string.
2833 2001-01-06 Michael Hayes <mhayes@redhat.com>
2835 * rtl.h (print_simple_rtl): New.
2836 * print-rtl.c (print_simple_rtl): New.
2838 (print_rtx): Disable printing of flags and modes, etc.,
2839 if `flag_simple` nonzero.
2841 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2843 * function.c (fixup_var_refs): Use push_to_full_sequence where
2846 2001-01-05 Michael Meissner <meissner@redhat.com>
2848 * flags.h (flag_reorder_blocks): Add declaration.
2849 (flag_rename_block): Ditto.
2851 2001-01-05 DJ Delorie <dj@redhat.com>
2853 * function.c (reorder_blocks): Make sure the flags are all reset
2854 before using them to mark blocks, else a second invocation will
2855 corrupt the block chain.
2856 (reorder_blocks_0): New, resets the flags.
2858 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2860 * cse.c (find_comparison_args): Stop if the argument is known to
2863 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2865 * config/sh/sh.md (movdf): When splitting load into pair of
2866 registers, don't clobber the register used in the address too
2869 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2871 * varasm.c (mark_constant_pool): Improve initial comments.
2872 (mark_constants): Move marking of constants to mark_constant.
2873 (mark_constant): New function to recursively mark all constants
2874 referred to by a constant.
2876 2001-01-05 Catherine Moore <clm@redhat.com>
2878 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2880 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2882 * cp/lang-options.h: Bring comment in line with reality.
2883 * f/lang-options.h: Likewise.
2884 * java/lang-options.h: Likewise.
2885 * objc/lang-options.h: Likewise.
2886 * ch/lang-options.h: Likewise.
2887 * f/g77.texi: And update the manual.
2889 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2890 Denis Chertykov <denisc@overta.ru>
2892 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2893 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2894 * config/avr/avr.md (all peepholes that request a scratch register):
2895 Call it, FAIL the peephole if not safe (in interrupt functions).
2897 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2899 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2901 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2903 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2905 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2906 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2907 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2908 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2909 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2911 * extend.texi: Document these builtins.
2913 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2915 * c-common.c (lang_get_alias_set): Say we know nothing of
2916 VECTOR_TYPE aliasing.
2918 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2920 2001-01-05 Bruce Korb <bkorb@gnu.org>
2922 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2923 their x* equivalent versions for atexit-less systems
2924 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2925 systems (or any other system any more).
2927 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2929 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2930 output operands. Use arm_hard_register_operand for operand 4.
2931 (stmsi_postinc): Similarly.
2932 (ldmsi): Use arm_hard_register_operand for opernand 2.
2934 * arm.c (arm_hard_register_operand): New function.
2935 * arm-protos.h (arm_hard_register_operand): Prototype it.
2937 * arm.h (HARD_REGNO_RENAME_OK): Define.
2939 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2941 * simplify-rtx.c (cfc_args): add "unordered" field.
2942 (check_fold_consts): Set unordered field.
2943 (simplify_relational_operation): Simplify the unordered
2946 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2949 * emit-rtl.c (try_split): Fix code to mark labels.
2950 * jump.c (mark_jump_label): Make global.
2951 * rtl.h (mark_jump_label): Declare.
2953 * predict.c (estimate_probability): Handle unordred comparisons.
2955 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2957 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2958 * cppinit.c (initialize_dependency_output): Update.
2959 (cpp_finish): Output dummy targets for -MP.
2961 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2962 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2963 * gcc.c (cpp_options): Update to handle -MP.
2964 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2965 to quote only the default target.
2966 (deps_phony_targets): Insert a preceding newline. Rename from
2967 deps_dummy_targets for consistency.
2970 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2972 * calls.c (emit_library_call_value_1): Support
2973 INIT_CUMULATIVE_LIBCALL_ARGS.
2974 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2976 2001-01-04 Richard Henderson <rth@redhat.com>
2978 * c-decl.c (finish_struct): Detect flexible array members
2979 used in an inappropriate context.
2980 * c-typeck.c (really_start_incremental_init): Special case
2981 constructor_max_index for zero length arrays.
2982 (pop_init_level): Allow initialization of flexible array
2983 members. Deprecate initialization of zero length arrays.
2984 Don't issue missing initializer warning for flexible array
2985 members or zero length arrays.
2986 (process_init_element): Don't dereference null DECL_SIZE.
2987 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2988 Don't abort for empty constructors. Use size_binop
2989 (output_constructor): Add commentary regarding zero length
2990 array futures. Abort if we try to initialize an array of
2991 unspecified length with a non-empty constructor in the middle
2994 * extend.texi (Zero Length): Update and clarify documentation
2995 on static initialization.
2997 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2999 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3000 with more than 32767 words of local storage.
3002 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3004 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3005 for 'abs', 'labs', and 'fabs'.
3006 (c4x_expand_builtin): Likewise.
3007 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3009 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3011 * config/sh/sh.md (prget, prset): New insn types.
3012 (return delay slot): Dont' allow prset.
3013 (call, sfunc delay slot): Don't allow prget.
3014 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3015 for prset and prget.
3017 2001-01-05 Michael Hayes <mhayes@redhat.com>
3019 * loop.h (struct loop_reg): New.
3020 (struct loop_regs): Change to use array of `struct loop_reg'.
3021 * loop.c: Replace assortment of varrays with single regs array.
3022 (count_one_set): Delete may_not_move array argument
3023 and use regs array instead. All caller's changed.
3024 (count_loop_regs_set): Delete may_not_move and single_usage
3025 arguments and use regs array instead. All caller's changed.
3026 (find_single_use_in_loop): Replace usage array argument with pointer
3027 to regs structure. All caller's changed.
3028 (loop_optimize): Delete `moved_once' array.
3030 2001-01-05 Michael Hayes <mhayes@redhat.com>
3032 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3033 Use it instead of loop_info->has_call for scanning loop mems.
3034 (check_dbra_loop): Replace loop_info->has_call test with
3035 loop_info->has_nonconst_call.
3037 2000-01-04 Matthew Hiller <hiller@redhat.com>
3039 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3042 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3044 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3045 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3047 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3049 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3050 (flag_short_double, flag_short_wchar): Define.
3051 (c_common_nodes_and_builtins): Create many tree nodes shared
3052 between C and C++ here instead of in cp/decl.c and ...
3053 * c-decl.c (init_decl_processing): ... here.
3054 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3055 (flag_short_double, flag_short_wchar): Don't define.
3056 (record_builtin_type): New function.
3057 (build_void_list_node): New function.
3058 * c-common.h (flag_short_double, flag_short_wchar,
3059 record_builtin_type, build_void_list_node): Declare.
3061 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3063 * integrate.c (expand_inline_function): Don't put a virtual
3064 register into the reg map.
3066 * function.c (fixup_var_refs_1): If force_operand didn't put
3067 the address into the target, move it there.
3069 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3071 Special-case tree_decl/tree_list allocations.
3072 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3073 (OBJECT_SIZE): New macro.
3074 (NUM_EXTRA_ORDER): Likewise.
3075 (extra_order_size_table): New variable.
3076 (NUM_ORDERS): New macro.
3077 (objects_per_page_table): New variable.
3078 (object_size_table): New variable.
3079 (G.pages): Use NUM_ORDERS to bound the array.
3080 (G.page_tails): Likewise.
3081 (DIV_ROUND_UP): Remove.
3082 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3083 (alloc_page): Use OBJECT_SIZE.
3084 (size_lookup): Don't make it const.
3085 (ggc_alloc): Use OBJECT_SIZE.
3086 (ggc_set_mark): Likewise.
3087 (ggc_get_size): Likewise.
3088 (init_ggc): Set up the object_size_table, objects_per_page_table,
3089 and adjust size_lookup.
3090 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3091 (ggc_pop_context): Use NUM_ORDERS.
3092 (clear_marks): Likewise.
3093 (sweep_pages): Likewise.
3094 (poison_pages): Likewise.
3095 (ggc_print_statistics): Use OBJECT_SIZE.
3097 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3099 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3100 Only call array_size_for_constructor if last field and array type
3101 with no upper bound.
3103 2001-01-04 Philip Blundell <philb@gnu.org>
3105 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3106 from bit 31 downwards, if this requires no more insns.
3107 (count_insns_for_constant): New helper function for above.
3109 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3111 * gencodes.c (output_predicate_decls): Remove empty initializer.
3113 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3115 * tree.c (copy_node): Remove documentation about obstacks.
3116 (buidl1): Check that nobody tries to build 2-argument nodes this
3119 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3121 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3124 * gencodes.c (output_predicate_decls): Fill empty initializer
3127 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3129 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3130 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3132 (do_include): Handle missing headers like cpp0.
3133 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3134 paths with first include pathname. Don't strcat to uninitialized
3137 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3139 * regrename.c (regrename_optimize): Don't rename from frame pointer
3140 if frame_pointer_needed.
3141 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3142 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3143 (ia64_reorg): Use it instead of scheduling if ! optimize.
3144 (errata_emit_nops): Properly call asm_noperands.
3145 (ia64_sched_reorder): Finish cycle if we see an asm.
3146 (ia64_variable_issue): Clear scheduling state after asms.
3148 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3150 * cpp.texi: Update for -MT.
3151 * cppinit.c (initialize_dependency_output): Add a default
3152 target if none has been given already.
3153 (no_tgt, OPT_MT): New.
3154 (cpp_handle_option): Handle -MT. Update -M etc.
3155 * cpplib.h (struct cpp_options): Remove deps_target.
3156 * gcc.c (cpp_options): Handle -MT.
3157 * mkdeps.c (struct deps): Move from mkdeps.h.
3158 (deps_calc_target): Rename deps_add_default_target. Add a
3159 default target if none has been specified already.
3160 * mkdeps.h (struct deps): Move to mkdeps.c.
3161 (deps_calc_target): Rename deps_add_default_target.
3163 2000-01-03 Richard Henderson <rth@redhat.com>
3165 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3167 * c-typeck.c (push_init_level): Move checks for flexible array
3168 members and zero length arrays ...
3169 (pop_init_level): ... here. Silently discard empty initializations.
3171 * varasm.c (output_constructor): Update for sizeof change to
3174 * extend.texi (Zero Length): Clarify semantics.
3176 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3178 * configure.in (tm.h): Include isns-codes.h last.
3179 * configure: Rebuilt.
3181 2001-01-03 Richard Henderson <rth@redhat.com>
3183 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3184 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3186 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3188 * tradcpp.c (main): Make sure finclude() is called with a valid
3189 indepth value while handling -include.
3191 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3193 * gencodes.c (output_predicate_decls): New function.
3195 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3196 even if it is not the first time machmode.h is #included.
3197 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3198 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3199 * gcc.texi (Copyright): Added 2001.
3201 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3203 * c-common.c (c_common_lang_init): New function. Warn if format
3204 warning options which only have effects when used with -Wformat
3205 are used without -Wformat.
3206 * c-common.h (c_common_lang_init): Declare.
3207 * c-lang.c (lang_init): Call c_common_lang_init.
3208 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3210 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3212 * configure.in: Check for the mktemp command.
3213 * configure: Regenerate.
3214 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3215 $TEMP. Create temporary files with mktemp, if available at
3216 configure time; otherwise use set -C. Remove temporary files
3219 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3221 * configure.in: Require at least texinfo 4.0. Check for whether
3222 Pod::Man is sufficiently recent to regenerate GCC manpages.
3223 * configure: Regenerate.
3224 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3226 (GENERATED_MANPAGES): Define.
3227 (generated-manpages): New target. Depend on cpp.1 as well as
3229 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3230 configure to generated-manpages or empty) rather than on the
3231 manpages directly. Remove execute permission from installed
3232 gcov.1 as well as cpp.1.
3233 * cpp.1, gcov.1: Regenerate.
3235 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3237 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3238 tree_low_cst. Allow using cmpstrsi in more cases.
3240 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3242 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3245 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3247 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3248 * Makefile.in (HOST_CFLAGS): Mention build-make.
3250 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3252 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3255 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3257 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3260 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3263 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3264 reg_base_value and reg_known_value arrays.
3265 (init_alias_analysis): Add more cases to detect known values.
3266 * sched-deps.c (deps_may_trap_p): New function.
3267 (sched_analyze_2): Use it.
3269 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3271 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3272 don't discard an ASHIFTRT if we're shifting in a wider mode.
3274 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3276 * toplev.c (rest_of_compilation): Don't print basic block information
3277 when CFG isn't up to date.
3279 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3281 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3282 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3283 (UNALIGNED_SHORT_ASM_OP): Define.
3284 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3286 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3288 * fold-const.c (fold_convert): Fix typo.
3290 2001-01-02 Richard Henderson <rth@redhat.com>
3292 * c-common.h (ASM_INPUT_P): New.
3293 * c-parse.in (asm): Set it when needed.
3294 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3295 existance of an operand.
3297 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3299 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3300 (dwarf2out_frame_debug_expr): Likewise.
3301 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3303 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3305 * i386.c (ix86_split_to_parts): Return number of part required;
3307 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3309 (ix86_split_long_move): Use number of part returned
3310 by ix86_split_to_parts
3311 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3313 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3314 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3315 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3316 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3317 (ALIGN_MODE_128): Add TFmode.
3318 (IS_STACK_MODE): Likewise.
3319 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3320 (HARD_REGNO_OK): Support TFmodes.
3321 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3322 * i386.md (scheduler definitions): Use memory operand to determine
3323 fst/fld instructions; use mode attribute to determine real mode of
3325 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3326 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3328 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3330 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3332 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3334 * expr.c (store_constructor_field): Update ALIGN before calling
3337 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3339 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
3342 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3344 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
3347 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3349 * c-decl.c (start_function): Don't warn on third parameter to main.
3351 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3353 * tsystem.h: Define HAVE_DECL_GETOPT.
3355 2001-01-02 Philip Blundell <pb@futuretv.com>
3357 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
3360 2001-01-02 Richard Henderson <rth@redhat.com>
3362 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
3364 2001-01-02 Andreas Jaeger <aj@suse.de>
3366 * c-decl.c (c_decode_option): Remove support of
3369 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
3370 (W_options): Add -Wmissing-noreturn here.
3372 * flow.c: Define lang_missing_noreturn_ok_p.
3373 (check_function_return_warnings): Use it.
3375 * c-common.h: Declare lang_missing_noreturn_ok_p.
3377 * c-lang.c (c_missing_noreturn_ok_p): New function.
3378 (lang_init): Set lang_missing_noreturn_ok_p.
3380 * invoke.texi (Warning Options): Document this.
3382 2000-12-27 Phil Edwards <pme@sources.redhat.com>
3384 * extend.texi (C++ Extensions): New node for C++ attributes;
3385 describe init_priority and com_interface.
3386 * invoke.texi: Remove -finit-priority as it now has zero effect.
3387 * install.texi: Fix xref syntax.
3388 * md.texi: Likewise.
3390 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3392 * config.gcc (sparc64-wrs-vxworks*): New case.
3393 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
3395 * config/sparc/sparc.c (sparc_override_options): Do support different
3396 pointer and architecture size.
3397 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
3398 (POINTERS_EXTEND_UNSIGNED): Define.
3399 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
3400 (FUNCTION_MODE): Define to be Pmode.
3401 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
3403 * function.c (expand_function_end): Properly handle DECL_RESULT
3404 and copy when ptr_mode != Pmode.
3405 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
3407 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3409 * c-common.c (c_common_nodes_and_builtins): Set prototype
3410 parameters for __builtin_fputs, __builtin_fputc and
3411 __builtin_fwrite. Don't declare plain fputc as a builtin.
3413 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3415 * loop.c (add_label_notes): Increment the label usage count when
3416 a note is added to an insn which refers to a CODE_LABEL.
3417 * gcse.c (add_label_notes): Likewise.
3419 2001-01-01 Andreas Jaeger <aj@suse.de>
3421 * loop.c (scan_loop): Use xmalloc to allocate movables.
3423 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
3425 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
3426 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
3427 * reload1.c (REGISTER_MOVE_COST): Likewise.
3428 * regclass.c (REGISTER_MOVE_COST): Likewise.
3429 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3430 dimension. Adjust all users.
3431 (init_reg_sets_1): Iterate on all modes.
3432 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3433 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3434 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3435 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3436 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3437 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3438 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3439 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3440 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3441 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3442 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3443 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3444 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3445 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3446 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3447 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3448 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3449 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3450 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3451 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3452 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3453 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3454 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3455 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3456 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3457 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3458 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3460 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3462 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3463 arg VARIES_P. Call it with extra arg.
3464 (true_dependence): Likewise.
3465 * rtl.h (rtx_addr_can_trap_p): Declare.
3466 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3468 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3469 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3470 pic offset table register if it's zero. All callers changed.
3471 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3473 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3475 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3476 STRING_POOL_ADDRESS_P.
3478 * config/sparc/sparc.c (input_operand): Properly test for short op.
3480 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3481 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3482 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3483 * config/sparc/elf.h: No longer include sol2.h.
3484 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3485 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3487 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3489 2001-01-01 Michael Hayes <mhayes@redhat.com>
3491 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3492 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3493 (record_initial): Likewise.
3494 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3495 (remap_split_bivs): Likewise.
3497 2001-01-01 Michael Hayes <mhayes@redhat.com>
3499 * loop.c (loop_ivs_free): New function.
3500 (strength_reduce): Break out from...
3502 2001-01-01 Michael Hayes <mhayes@redhat.com>
3504 * loop.h (struct iv): New.
3505 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3506 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3507 'reg_biv_class' fields with 'regs' and 'n_regs'.
3508 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3509 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3510 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3512 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3514 * resource.c (mark_referenced_resources): Abort() before
3515 attempting to mark a pseudo register.
3516 (mark_set_resources): Likewise.
3518 2001-01-01 Michael Hayes <mhayes@redhat.com>
3520 * loop.h (REG_IV_CLASS): New accessor macro.
3521 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3522 * unroll.c (REG_IV_CLASS): Likewise.
3524 See ChangeLog.4 for earlier changes.