1 2001-04-13 Jim Wilson <wilson@redhat.com>
3 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4 (first_instruction): New static variable.
5 (rtx_needs_barrier): Return 1 for alloc.
6 (init_insn_group_barriers): Set first_instruction.
7 (rws_sum): Delete duplicate definition.
8 (group_barrier_needed_p): Return 0 when first_instruction true.
9 (safe_group_barrier_needed_p): Save and restore first_instruction
10 around group_barrier_needed_p call.
12 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
14 * expr.h (enum libfunc_index): Add LTI_memmove.
15 (memmove_libfunc): Define macro.
16 * optabs.c (init_optabs): Initialize memmove_libfunc.
17 * expr.c (expand_assignment): Use memmove_libfunc instead of
20 2001-04-13 Alan Modra <alan@linuxcare.com.au>
22 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
25 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27 * Makefile.in (reg-stack.o): Depend on reload.h.
28 (insn-attrtab.o): Depend on flags.h.
30 * genattrtab (main): Include flags.h in insn-attrtab.c.
32 * reg-stack.c: Include reload.h.
34 * sparc.h (flag_pic): Delete redundant declaration.
36 * output.h (flag_pic): Likewise.
38 * tree.h (pedantic): Likewise.
40 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
42 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
44 * jump.c, regmove.c, toplev.c: Include reload.h.
46 * reload.h (reload_cse_regs): Declare.
48 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
49 reload_cse_regs, init_reload, mark_home_live, reload,
50 init_caller_save): Delete redundant prototypes.
52 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
54 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
56 * regclass.c, ssa.c: Include expr.h.
58 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
59 gen_move_insn): Delete redundant declarations.
61 2001-04-13 Alan Modra <amodra@one.net.au>
63 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
64 PIC_OFFSET_TABLE_SAVE_RTX.
65 (zdepi_cint_p): Describe zdepi insn.
66 Formatting and white space fixes throughout file.
68 * pa.c (uint32_operand): Don't use long constant >= 2^32.
69 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
70 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
71 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
72 (output_64bit_and): Use plain `int's for shift counts.
73 (output_64bit_ior): Likewise.
74 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
75 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
78 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
79 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
80 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
81 NEW_HP_ASSEMBLER into one. Kill warnings.
83 * pa-gas.h: Delete file.
84 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
85 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
86 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
87 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
89 * config/pa/mill32.S: New file.
90 * config/pa/mill64.S: New file.
91 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
92 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
93 * config/pa/t-linux64: New file.
94 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
95 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
96 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
98 * elfos.h (SELECT_SECTION): Undef before defining.
99 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
100 (LIB_SPEC): Remove -lmilli.
101 (DBX_REGISTER_NUMBER): Remove.
102 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
103 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
104 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
105 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
106 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
107 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
108 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
110 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
111 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
112 regs if we don't have a prototype.
113 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
114 * pa.h (TARGET_ELF32): Default to 0 if undefined.
115 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
116 EH_RETURN_HANDLER_RTX): Define.
117 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
118 (DWARF_FRAME_REGNUM): Define.
119 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
120 * pa32-linux.h: New file.
121 * pa64-linux.h: New file.
123 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
124 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
125 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
126 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
127 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
128 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
129 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
130 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
131 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
132 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
133 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
134 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
135 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
136 * pa64-hpux.h: New file.
137 (ASM_FILE_START): Correct typo.
138 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
139 * config.gcc: Modify for above.
141 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
143 * jump.c (jump_optimize_1): Don't delete dead stores here.
144 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
145 prior to running jump optimize before cse2.
147 2001-04-12 Stan Shebs <shebs@apple.com>
149 * objc/objc-act.c: Remove all code ifdefed with the never-used
150 macro OBJC_INT_SELECTORS.
151 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
152 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
154 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
156 * config/pa/quadlib.c: Add prototypes.
158 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
160 * bitmap.h (debug_bitmap): Delete redundant prototype.
162 * rtl.h (get_frame_size): Likewise.
164 2001-04-12 Jim Wilson <wilson@redhat.com>
166 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
167 to just emit an fnorm.
169 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
171 * c-common.h (truthvalue_conversion, type_for_mode,
172 type_for_size): Delete redundant declarations.
174 * c-lex.h (is_class_name): Likewise.
176 * c-tree.h (pedantic, convert, getdecls, gettags,
177 global_bindings_p, init_decl_processing, insert_block,
178 maybe_build_cleanup, poplevel, print_lang_decl,
179 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
180 set_block, incomplete_type_error, build_function_call,
181 lvalue_or_else, mark_addressable): Likewise.
183 * expr.h (expand_tree_builtin): Likewise.
185 2001-04-12 Mark Mitchell <mark@codesourcery.com>
187 * invoke.texi: Document --param max-gcse-memory.
189 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
191 * configure.in (errno): Check for declaration.
192 * configure, config.in: Regenerated.
194 * system.h (errno): Only declare if not already done.
196 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
198 * recog.c (general_operand, immediate_operand,
199 nonmemory_operand): Require CONST_INTs to be sign-extended
200 values for their modes.
202 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
204 * expmed.c (store_bit_field): Truncate CONST_INTs.
205 (expand_mult_highpart, expand_divmod): Likewise.
206 * expr.c (convert_modes, store_field): Likewise.
207 * integrate.c (expand_inline_function): Use promote_mode() to
208 determine whether to convert_modes() an argument as signed
210 * optabs.c (expand_binop): Get CONST_INT operands
211 sign-extended for their appropriate modes.
212 * stmt.c (emit_case_nodes): Convert node values to the
214 (expand_end_case): Convert minval and range to the appropriate
216 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
217 the iteration variable.
218 * varasm.c (immed_double_const): Don't require words to be
219 narrower than host wide ints to properly sign-extend
222 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
224 * sh.md (builtin_setjmp_receiver): New expander.
226 2001-04-12 David Edelsohn <dje@watson.ibm.com>
228 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
229 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
230 for generating CONST_INT and CONST_DOUBLE.
232 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
234 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
235 already sign-extended.
236 (rs6000_emit_prologue): Make register iterator signed.
237 (rs6000_emit_epilogue): Likewise.
238 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
240 (movsf split, movdf split): Sign-extend CONST_INTs.
241 (movdi splits): Likewise.
243 2001-04-12 Kelley Cook <kelley.cook@home.com>
245 * config-lang.in (lang_dirs): Add in zlib.
247 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
249 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
250 operands that make it to RTL.
252 2001-04-11 Stan Shebs <shebs@apple.com>
254 Add Darwin (Mac OS X kernel) native support.
255 * config.gcc (powerpc-*-darwin*): Add native bits.
256 * config/darwin.c: New file, generic Darwin support functions.
257 * config/darwin.h: New file, generic Darwin definitions.
258 * config/darwin-protos.h: New file, generic Darwin prototypes.
259 * rs6000/darwin.h: New file, Darwin for PowerPC.
260 * rs6000/t-darwin: New file, Darwin makefile fragment.
261 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
262 (TARGET_MACHO): Ditto.
263 (rs6000_abi): Add ABI_DARWIN.
264 (RS6000_REG_SAVE): Add ABI_DARWIN case.
265 (RS6000_SAVE_AREA): Ditto.
266 (FP_ARG_MAX_REG): Ditto.
267 (RETURN_ADDRESS_OFFSET): Ditto.
268 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
270 (rs6000_emit_move): Add ABI_DARWIN cases.
271 (print_operand): Ditto.
272 (first_reg_to_save): Ditto.
273 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
274 (debug_stack_info): Ditto.
275 (rs6000_emit_prologue): Ditto.
276 (rs6000_emit_epilogue): Ditto.
277 (output_profiler_hook): Ditto.
278 (output_function_profiler): Ditto.
279 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
280 (output_mi_thunk): Add TARGET_MACHO case.
281 (add_compiler_stub): Ditto.
282 (output_compiler_stub): Ditto.
283 (no_previous_def): Ditto.
284 (output_call): Ditto.
285 (machopic_output_stub): Ditto.
286 (rs6000_machopic_legitimize_pic_address): Ditto.
287 (toc_section): Ditto.
288 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
292 (load_macho_picbase): Ditto.
293 (call): Add TARGET_MACHO case to modify function.
295 (call_nonlocal_sysv): Add ABI_DARWIN case.
296 (call_value_nonlocal_sysv): Ditto.
297 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
299 (machopic_output_stub): Ditto.
300 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
302 2001-04-11 Mark Mitchell <mark@codesourcery.com>
304 * dwarf2out.c (modified_type_die): Don't create new types here.
305 * tree.h (get_qualified_type): New function.
306 (build_qualified_type): Adjust comment.
307 * tree.c (get_qualified_type): New function.
308 (build_qualified_type): Use it.
310 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
312 * cpp.texi (-Wtraditional): Update description.
314 * invoke.texi (-Wtraditional): Likewise.
316 2001-04-11 Jim Wilson <wilson@redhat.com>
318 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
319 requires more than 64 bits of alignment.
321 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
323 * cpplib.c (do_line): Sanity check iff enable checking.
325 2001-04-11 Richard Henderson <rth@redhat.com>
327 * Makefile.in (insn-recog.o): Depend on toplev.h.
328 (insn-emit.o, doloop.o): Likewise.
329 * genrecog.c, genemit.c: Include toplev.h in generated file.
330 * doloop.c: Include toplev.h.
332 2001-04-11 Mark Mitchell <mark@codesourcery.com>
334 * Makefile.in (gcse.o): Depend on params.h.
335 * gcse.c: Include params.h.
336 (gcse_main): Don't do GCSE if doing so will take inordinate
338 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
339 * params.h (MAX_GCSE_MEMORY): New macro.
341 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
343 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
345 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
347 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
349 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
351 * real.h (ereal_atof, real_value_truncate, target_isnan,
352 target_isinf, target_negative, assemble_real, debug_real): Delete
353 redundant prototypes.
355 * Makefile.in (ifcvt.o): Depend on toplev.h.
357 * c-semantics.c: Include expr.h.
359 * ifcvt.c: Include toplev.h.
361 * expr.h (rtx_equal_p): Delete prototype.
363 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
364 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
365 eliminate_constant_term, expand_complex_abs, find_single_use,
366 make_tree, init_expr_once, init_optabs, supports_one_only):
369 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
370 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
371 expand_assignment, store_expr, emit_line_note_after,
372 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
374 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
376 * sparc-protos.h: Delete redundant prototypes.
378 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
380 * reload.c (push_reload): Add condition missed in SUBREG byte
383 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
385 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
387 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
389 * i386.md (floatsisf_sse): Fix output template
390 * i386.c (ix86_expand_fp_movcc)
392 * reg-stack.c (emit_pop_insn): Handle complex modes.
393 (move_for_stack_reg): Emit proper move mode.
394 (subst_stack_regs_pat): Handle complex modes.
396 2001-04-11 Jakub Jelinek <jakub@redhat.com>
398 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
400 2001-04-10 Richard Henderson <rth@redhat.com>
402 * libgcc2.h (__terminate_func_ptr): Remove typedef.
403 (__pure_virtual, __terminate, __terminate_set_func,
404 __default_terminate, __throw_type_match, __empty,
405 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
406 __eh_rtime_match, __unwinding_cleanup, __rethrow,
407 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
408 Remove prototypes of deleted functions.
410 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
412 * c-typeck.c (convert_arguments): -Wtraditional now activates
413 -Wconversion warnings, except for changes in signed-ness.
414 Detect complex<->int & int<->complex conversions as well.
416 * invoke.texi (-Wtraditional): Document it.
418 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
420 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
421 * flow.c (set_block_for_new_insns): Remove needless cast and
422 properly check for unset block number.
424 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
426 * function.c (purge_single_hard_subreg_set): Only check REGNO if
427 the subreg was a hard register. Pseudos are left as subregs.
429 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
431 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
432 (LIB2ADD_ST): New macro, pass it to mklibgcc.
433 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
434 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
435 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
437 2001-04-09 Bo Thorsen <bo@suse.co.uk>
439 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
441 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
443 * output.h (set_block_num): Missed it earlier, remove deprecated
446 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
448 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
449 (load_killed_in_block_p): Change bb parameter from int to basic_block.
450 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
451 (handle_rd_kill_set): Change bb parameter from int to basic_block.
452 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
453 (expr_killed_p): Change bb parameter from int to basic_block, pass
454 basic_blocks instead of ints as parameters.
455 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
456 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
457 from int to basic_block, pass basic_blocks instead of ints as parms.
458 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
459 parameter from int to basic_block, pass basic_blocks instead of ints.
460 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
461 (insert_insn_end_bb): Change bb parameter from int to basic_block,
462 pass basic_blocks instead of ints.
463 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
464 basic_blocks instead of ints as parameters.
465 (pre_delete): Pass basic_blocks instead of ints as parameters.
466 (hoist_expr_reaches_here_p): Change bb parameter from int to
467 basic_block, pass basic_blocks instead of ints.
468 (hoist_code): Pass basic_blocks instead of ints as parameters.
469 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
470 Change bb parameter from int to basic_block.
471 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
472 (insert_insn_start_bb): Change bb parameter from int to basic_block,
473 pass basic_blocks instead of ints.
474 (insert_store): Pass basic_blocks instead of ints as parameters.
475 (replace_store_insn, delete_store): Change bb parameter from int to
476 basic_block, pass basic_blocks instead of ints.
477 (store_motion): Pass basic_blocks instead of ints as parameters.
479 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
481 * basic-block.h (set_new_block_for_insns): New Prototype.
482 (set_block_num): Delete prototype.
483 * flow.c (set_block_num): Remove obsolete function.
484 (set_block_for_new_insns): Set BB for single or multiple insns.
485 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
486 (process_insn_end_bb): Use set_block_for_new_insns or
487 set_block_for_insn instead of set_block_num.
488 (pre_insert_copy_insn): Use set_block_for_new_insns.
489 (update_ld_motion_stores): Use set_block_for_new_insns.
490 (insert_insn_start_bb): Use set_block_for_new_insns.
491 (replace_store_insn): Use set_block_for_new_insns.
493 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
494 Jeff Law <law@redhat.com>
496 * alias.c (get_addr): Externalize.
497 (canon_true_dependence): New function. Behaves like true_dependance
498 except it already assumes a MEM has been canonicalized.
499 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
500 * gcse.c (struct ls_expr): Add load/store expressions structure.
501 (modify_mem_list, canon_modify_mem_list): New variable.
502 (gcse_main): Initialize & finalize alias analysis. Use enhanced
503 load motion and store motion if requested.
504 (alloc_gcse_mem): Allocate space for modify_mem_list array.
505 (free_gcse_mem): Free the modify_mem_list array.
506 (oprs_unchanged_p): Use load_killed_in_block_p.
507 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
508 (mems_conflict_for_gcse_p): New function. Don't kill loads
509 with stores to themselves if its in the load/store expression list.
510 (load_killed_in_block_p): New function.
511 (canon_list_insert): New Function.
512 (record_last_mem_set_info): Keep a list of all instructions which
513 can modify memory for each basic block.
514 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
515 (oprs_not_set_p): Use load_killed_in_block_p.
516 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
517 (expr_killed_p): Use load_killed_in_block_p.
518 (compute_transp): Do not pessimize memory references.
519 (pre_edge_insert): Update stores for a load motion expression.
520 (one_pre_gcse_pass): Check loads/stores for extra load motion.
521 (ldst_entry): Find or create a ldst_expr structure.
522 (free_ldst_entry): Free memory for an individual item.
523 (free_ldst_mems): Free entire load/store expression list.
524 (print_ldst_list): Print debug info.
525 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
526 (enumerate_ldsts): Assign integer values to each entry in list.
527 (first_ls_expr): First expression in the list.
528 (next_ls_expr): Next expression in the list.
529 (simple_mem): Check if expression qualifies for ld/st expression list.
530 (invalidate_any_buried_refs): Remove from expression list if its
531 used in some other way we dont understand.
532 (compute_ld_motion_mems): Find all potential enhanced load motion
534 (trim_ld_motion_mems): Remove any expressions which are invalid.
535 (update_ld_motion_stores): Copy store values to registers for loads
536 which have been moved.
537 (regvec, st_antloc, num_store): New global statics.
538 (reg_set_info): Marks registers as set.
539 (store_ops_ok): Verfies registers expressions are valid in a block.
540 (find_moveable_store): Look for moveable stores in a pattern.
541 (compute_store_table): Find stores in a function worth moving, maybe.
542 (load_kills_store): Check dependance of a load and store.
543 (find_loads): Find any loads in a pattern.
544 (store_killed_in_insn): Check if a store is killed in an insn.
545 (store_killed_after): Check is store killed after an insn in a block.
546 (store_killed_before): Check is store killed before an insn in a block.
547 (build_store_vectors): Generate the antic and avail vectors.
548 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
549 (insert_store): Add a store to an edge.
550 (replace_store_insn): Replace a store with a SET insn.
551 (delete_store): Delete a store insn.
552 (free_store_memory): Free memory.
553 (store_motion): Perform store motion.
554 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
555 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
556 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
557 (f_options): Add gcse-lm and gcse-sm.
559 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
561 * i386.c (expand_fp_movcc): Fix condition reversal code.
563 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
564 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
565 (CLASS_MAX_NREGS): Use it.
567 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
568 handle properly complex values.
569 (CLASS_MAX_NREGS): Likewise; update comment.
571 2001-04-05 Bernd Schmidt <bernds@redhat.com>
573 * ia64.c (ia64_flag_schedule_insns2): New variable.
574 (ia64_override_options): Initialize it. Clear
575 flag_schedule_insns_after_reload.
576 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
578 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
580 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
581 Do not require source to match destination anymore;
582 Add abort to the nontrivial cases that should be handled by split.
583 (fix_trunc?fdi): Add SSE case for x86_64.
584 (floatdi?f): Likewise.
585 (floatdi?f_sse): New.
586 (fix_trunc?fdi_sse): New.
588 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
590 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
591 (DEBUG_ARANGES_END_LABEL): Ditto.
592 (dwarfout_init): Generate length and version fields at the start
593 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
594 after the length field.
595 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
596 the .debug_aranges info.
598 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
600 * i386.c (call, call_value): Make sure that resulting call_insn
601 does have proper second operand.
603 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
605 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
606 function. Remove include of sys/cygwin.h.
608 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
610 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
611 (CPP_SPEC): Always search */include/w32api for header files.
612 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
613 (LINK_SPEC): Add "cyg" to the library search prefixes.
615 2001-04-08 Philip Blundell <philb@gnu.org>
617 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
619 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
621 * cpperror.c (print_location): Don't special case <stdin>.
622 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
623 WARNING, but we don't check if we're in system headers.
624 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
625 * cpplib.c (do_warning): Warn in system headers.
627 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
629 * mbchar.c: Include config.h first.
631 2001-04-07 Zack Weinberg <zackw@stanford.edu>
633 * config.gcc: Set default for xmake_file at top, not bottom.
634 Change places that set xmake_file to "none" to set to the
635 empty string instead, or remove them entirely if there is no
636 default xmake_file for this cpu_type. Remove references to
639 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
640 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
641 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
642 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
643 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
644 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
645 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
646 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
647 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
648 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
651 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
652 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
653 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
654 config/mips/x-sysv, config/rs6000/x-aix31:
655 Just set CLIB to -lld or -lmld, as appropriate.
657 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
658 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
659 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
660 config/mips/x-iris, config/pa/x-pa:
661 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
662 OTHER_FIXINCLUDES_DIRS.
664 * config/i386/x-djgpp: Don't set LN or LN_S.
665 * config/m88k/x-dolph: Don't define __m88k__.
666 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
667 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
668 * config/i860/fx2800.h: No need to #undef SVR4.
670 38 x-host fragments remain, 2 x-cpu.
672 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
674 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
676 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
678 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
680 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
682 * configure.in: Add check for lstat.
683 * configure, config.in: Regenerate.
684 * cppinit.c (append_include_chain): Make empty path ".".
685 * cpplib.c (do_line): Don't simplify #line paths.
686 * cppfiles.c (remove_component_p): New function.
687 (find_or_create_entry): Acknowledge stat () errors during
689 (handle_missing_header): Don't simplify paths.
690 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
691 the empty path untouched. Don't leave a trailing '/'.
693 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
695 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
696 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
698 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
700 * cppfiles.c (open_file): Fail directories silently, but
701 with an errno of NOENT set.
702 (read_include_file): Move the common exit code to the sole
703 caller. Return an int indicating success or failure. Let
704 open_file handle directories.
705 (stack_include_file): If read_include_file fails,
706 push a "null" buffer.
708 2001-04-05 DJ Delorie <dj@redhat.com>
710 * function.h (virtuals_instantiated): Declare.
711 * function.c: (virtuals_instantiated): Make global.
712 * calls.c (emit_library_call_value_1): Use
713 virtual_outgoing_args_rtx only if it hasn't been instantiated.
714 Otherwise, use the stack pointer directly.
716 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
718 * i386.c (x86_initialize_trampoline): New global function.
719 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
720 (INITIALIZE_TRAMPOLINE): Move offline.
721 * i386-protos.h (x86_initialize_trampoline): Declare.
723 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
725 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
726 (lea_0): Rename to lea_1.
727 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
728 (lea_general_?): Allow SImodes on TARGET_64BIT
729 (lea_general_?_zext): New patterns.
730 (call_1, call_1_rex64): Fix.
732 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
734 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
736 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
738 * i386.c (function_arg): Return constm1_rtx for last argument.
739 (ix86_expand_prologue): Update gen_call calls.
740 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
741 * i386.md (call_pop): Likewise.
742 (call): Second operand is VOIDmode.
743 (call_0): Likewise; Support 64bits.
744 (call_exp): New expander.
745 (call_1): Get to the sync.
746 (call_1_exp): New pattern.
747 (call_value): Support 64bit.
748 (call_value_exp): New pattern.
749 (untyped_call): Update gen_call call.
750 (call_value_pop): Disable for 64bit.
751 (call_value_0_rex64): New pattern.
752 (call_value_1_rex64): Likewise.
754 2001-04-05 Bo Thorsen <bo@suse.de>
756 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
758 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
760 * i386.md (*andsi_1+3): If used after reload, make sure the operand
761 satisfies ANY_QI_REG_P.
763 2001-04-05 Bernd Schmidt <bernds@redhat.com>
765 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
768 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
771 2001-04-04 Zack Weinberg <zackw@stanford.edu>
773 * config.gcc: Remove default for xm_file. Clean up local
774 machine type handling. Remove settings of xm_file to
775 something that doesn't exist. In the big switch, set xm_file,
776 don't append to it (the value before the big switch is always
777 null). Don't force build_xm_file or host_xm_file to have a value.
778 * configure.in: Remove default for xm_file. Do not special
779 case $cpu/xm-$cpu.h not existing.
780 * configure: Regenerate.
782 2001-04-04 Diego Novillo <dnovillo@redhat.com>
784 * simplify-rtx.c (simplify_binary_operation): Check for overflow
785 when folding integer division and modulo operations.
787 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
789 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
790 instead of DWARF2_ADDR_SIZE for EH addresses.
791 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
794 2001-04-04 Richard Henderson <rth@redhat.com>
796 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
797 * config/ia64/t-glibc (LIB2ADDEH): Disable.
798 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
800 2001-04-04 Richard Henderson <rth@redhat.com>
802 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
803 * configure: Rebuilt.
805 2001-04-04 Jakub Jelinek <jakub@redhat.com>
807 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
808 push insns to delete to it instead of deleting them.
809 (delete_null_pointer_checks): Delete insns from delete_list after
810 all delete_null_pointer_checks_1 passes are done.
812 2001-04-04 Richard Henderson <rth@redhat.com>
814 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
815 * configure: Rebuilt.
817 2001-04-04 Zack Weinberg <zackw@stanford.edu>
819 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
820 * config/romp/xm-romp.h: Delete.
822 2001-04-04 Bernd Schmidt <bernds@redhat.com>
824 * sched-deps.c (sched_analyze_insn): Partially revert March 27
827 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
829 * emit-rtl.c (mark_label_nuses) Increment the label uses for
830 all labels present in rtx.
831 (try_split) Call new function for all split insns.
833 2001-04-04 Jakub Jelinek <jakub@redhat.com>
835 * recog.c (validate_replace_rtx_1): Instead of aborting just make
836 sure the change won't be validated.
838 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
840 * rtl.h (set_noop_p): Declare.
841 * flow.c (set_noop_p): Move from here ...
842 * rtlanal.c (set_noop_p): ... to here and enhance.
843 * cse.c (delete_trivially_dead_insns): Use it.
844 * gcse.c (hash_scan_set): Likewise.
845 * jump.c (delete_noop_moves): Likewise.
846 * recog.c (split_all_insns): Likewise.
848 2001-04-04 Alan Modra <alan@linuxcare.com.au>
850 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
851 stack pointer via a LO_SUM. Ditto for setting a temp register
852 used to save to the stack. Set cfa_temp when setting fp, and
853 allow matches to cfa_temp in addition to cfa_store when saving
854 regs. Handle POST_INC and LO_SUM register stores. Document the
855 changes and errors in rule 12 doco.
857 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
858 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
859 (load_reg): Move closer to epilogue code.
860 (DO_FRAME_NOTES): Define to control the following..
861 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
862 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
864 (hppa_expand_epilogue): Likewise.
866 2001-04-03 Richard Henderson <rth@redhat.com>
868 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
869 * configure: Rebuild.
871 2001-04-03 Richard Henderson <rth@redhat.com>
873 * rtl.h (LCT_THROW): New.
874 * calls.c (emit_library_call_value_1): Handle it.
875 * except.c (connect_post_landing_pads): Use it.
877 2001-04-03 Zack Weinberg <zackw@stanford.edu>
879 * gansidecl.h: Delete file.
880 * configure.in: Change all refs to gansidecl.h to use
881 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
883 * configure: Regenerate.
885 * Makefile.in (intl.o): Don't depend on gansidecl.h.
886 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
887 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
888 Don't include gansidecl.h.
889 * intl.c, main.c, version.c, fixinc/fixlib.h,
890 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
893 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
895 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
898 2001-04-03 Zack Weinberg <zackw@stanford.edu>
900 * config/i386/xm-beos.h, config/i386/xm-isc.h,
901 config/i386/xm-next.h, config/i386/xm-sco.h,
902 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
903 config/m88k/xm-m88k.h: Delete.
905 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
906 * config/romp/xm-romp.h: Don't define bcopy.
907 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
908 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
910 * config.gcc: Remove references to deleted files.
912 14 xm-host.h remain, 1 xm-cpu.h.
914 2001-04-03 Jakub Jelinek <jakub@redhat.com>
915 David S. Miller <davem@pierdol.cobaltmicro.com>
916 Andrew MacLeod <amacleod@redhat.com>
918 Use byte offsets in SUBREGs instead of words.
920 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
921 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
922 to pass new argument.
923 (add_stored_regs): Use subreg_regno_offset function.
924 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
926 (precompute_arguments): Use gen_lowpart_SUBREG.
927 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
928 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
929 (simplify_set): Rework to use SUBREG_BYTE.
930 (expand_field_assignment): Use SUBREG_BYTE.
931 (make_extraction): Use SUBREG_BYTE.
932 (if_then_else_cond): Use SUBREG_BYTE.
933 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
934 (gen_lowpart_for_combine): Compute full byte offset.
935 * cse.c (mention_regs): Use SUBREG_BYTE.
936 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
937 (canon_hash): Use SUBREG_BYTE.
938 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
939 (gen_lowpart_if_possible): Formatting.
940 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
942 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
943 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
944 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
945 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
946 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
947 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
948 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
949 certain invariants about SUBREGs the compiler creates.
950 (gen_lowpart_SUBREG): New function.
951 (subreg_hard_regno): New function to get the final register number.
952 (gen_lowpart_common): Use SUBREG_BYTE.
953 (gen_imagpart): Spacing nits.
954 (subreg_realpart_p): Use SUBREG_BYTE.
955 (gen_highpart): Use SUBREG_BYTE.
956 (subreg_lowpart_p): Always compute endian corrected goal offset,
957 even at the byte level, then compare against that.
958 (constant_subword): New function, pulled out all constant cases
959 from operand_subword and changed second argument name to offset.
960 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
961 and call constant_subword to do the work. Return const0_rtx if
962 looking for a word outside of OP.
963 (operand_subword_force): Change second arg name to offset.
964 * expmed.c (store_bit_field): Use SUBREG_BYTE.
965 (store_split_bit_field): Use SUBREG_BYTE.
966 (extract_bit_field): Use SUBREG_BYTE.
967 (extract_split_bit_field): Use SUBREG_BYTE.
968 (expand_shift): Use SUBREG_BYTE.
969 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
970 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
971 * flow.c (set_noop_p): Use SUBREG_BYTE.
972 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
973 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
974 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
976 (optimize_bit_field): Use SUBREG_BYTE.
977 (purge_addressof_1): Use SUBREG_BYTE.
978 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
979 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
980 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
981 * gengenrtl.c (special_rtx): Add SUBREG.
982 * global.c (mark_reg_store): Use SUBREG_BYTE.
983 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
984 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
985 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
986 final byte offset is congruent to subreg's mode size.
987 (subst_constants): Use SUBREG_BYTE.
988 (mark_stores): Use subreg_regno_offset function.
989 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
990 function and SUBREG_BYTE.
991 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
992 (reg_is_born): Use subreg_hard_regno.
993 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
994 endian correction code. Don't combine subregs unless resulting
995 offset aligns with type. Fix subreg constant extraction for DImode.
996 Simplify SUBREG of VOIDmode CONST_DOUBLE.
997 (general_operand): Remove dead mode_altering_drug code.
998 (indirect_operand): Use SUBREG_BYTE.
999 (constrain_operands): Use subreg_regno_offset function.
1000 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1001 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1002 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1003 * regs.h (REG_SIZE): Allow target to override.
1004 (REGMODE_NATURAL_SIZE): New macro which target can override.
1005 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1006 on the entire subreg rtx.
1007 (push_reload): Use SUBREG_BYTE in comments and code.
1008 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1009 for hard registers inside subregs.
1010 (operands_match_p): Use subreg_regno_offset.
1011 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1012 containing hard regs.
1013 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1014 corrections when fixing up MEM subregs.
1015 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1016 subreg_regno_offset where appropriate.
1017 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1018 byte endian corrections when fixing up MEM subregs.
1019 (subst_reloads): When combining two subregs, make sure final
1020 offset is congruent to subreg's mode size.
1021 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1022 (refers_to_regno_for_reload_p): Use subreg_regno.
1023 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1024 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1025 correction code for memory subreg fixups.
1026 (forget_old_reload_1): Use subreg_regno_offset.
1027 (choose_reload_regs): Use subreg_regno.
1028 (emit_input_reload_insns): Use SUBREG_BYTE.
1029 (reload_combine_note_store): Use subreg_regno_offset.
1030 (move2add_note_store): Use subreg_regno_offset.
1031 * resource.c (update_live_status, mark_referenced_resources): Use
1032 subreg_regno function.
1033 (mark_set_resources): Use subreg_regno function.
1034 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1035 (subreg_regno_offset, subreg_regno): Define prototypes.
1036 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1037 (gen_lowpart_SUBREG): Add prototype.
1038 * rtl.texi (subreg): Update to reflect new byte offset representation.
1039 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1040 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1041 (reg_overlap_mentioned_p): Use subreg_regno.
1042 (replace_regs); Make sure final offset of combined subreg is
1043 congruent to size of subreg's mode.
1044 (subreg_regno_offset): New function.
1045 (subreg_regno): New function.
1046 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1047 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1048 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1049 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1050 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1051 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1052 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1053 (print_operand): Use SUBREG_BYTE.
1054 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1055 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1056 (arm_reload_out_hi): Use SUBREG_BYTE.
1057 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1058 instead of SUBREG_WORD.
1059 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1060 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1061 SUBREG creation to use byte offset.
1062 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1063 inverted load insns): Fix explicit rtl subregs to use byte
1065 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1066 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1067 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1068 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1069 to use byte offsets.
1070 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1071 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1072 offsets, also make sure it is congruent to SUBREG's mode size.
1073 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1074 unnamed ldob insn): Generate SUBREGs with byte offset.
1075 (zero_extendqihi2): SUBREG's are byte offsets.
1076 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1077 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1078 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1079 zero-extendqisi2): Generate SUBREGs with byte offset.
1080 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1081 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1082 subregs in rtl to use byte offsets.
1083 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1084 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1085 (mips_move_2words): Use subreg_regno_offset.
1086 (mips_secondary_reload_class): Use subreg_regno_offset.
1087 * config/mips/mips.md (DImode plus, minus, move, and logical op
1088 splits): Fixup explicit subregs in rtl to use byte offsets.
1089 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1090 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1091 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1092 rtl to use byte offsets.
1093 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1094 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1095 subregs to use byte offsets.
1096 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1097 Fixup explicit subregs in rtl to use byte offsets.
1098 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1099 and remove byte endian correction code.
1100 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1101 (gen_ashift_hi): Use SUBREG_BYTE.
1102 (regs_used): Use subreg_regno_offset.
1103 (machine_dependent_reorg): Use subreg_regno_offset.
1104 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1105 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1106 (movdf_i4): Subregs are byte offsets now.
1107 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1108 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1109 (REGMODE_NATURAL_SIZE): Override.
1110 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1111 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1113 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1114 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1115 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1116 it is congruent to SUBREG's mode size.
1117 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1119 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1120 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1121 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1122 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1123 * config/v850/v850.c (print_operand, output_move_double): Use
1124 subreg_regno function.
1126 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1128 * configure.in (target_subdir): Use target_alias, not target.
1129 * configure: Rebuilt.
1131 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1133 * config/sh/crti.asm: Fix typos in comments.
1135 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1137 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1138 TARGET_FAST_INDIRECT_CALLS.
1139 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1141 (return_addr_rtx): Short circuit export stub matching when
1142 TARGET_NO_SPACE_REGS.
1143 (output_millicode_call): For out of range calls, make -fPIC
1144 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1145 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1146 * pa.md: Modify length attr calculation of all millicode insns to
1149 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1151 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1152 Require at least 2.11 in the version test. Specifically check
1153 for and reject GAS version 2.10.90.
1154 * configure: regenerate.
1156 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1158 * pa.c (override_options): Remove PIC profiling warning.
1159 (hp_profile_labelno): Delete.
1160 (hp_profile_label_rtx): Delete.
1161 (hp_profile_label_name): Delete.
1162 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1163 (output_function_prologue): Remove profiling code and all tests on
1164 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1165 merge_sp_adjust_with_store can work for PIC and profiling.
1166 (hppa_expand_epilogue): Remove profile_flag test.
1167 (hppa_can_use_return_insn_p): Likewise.
1168 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1169 cater for PROFILE_HOOK.
1170 (hppa_profile_hook): New function.
1171 * pa.h (FUNCTION_PROFILER): Now does nothing.
1172 (PROFILE_HOOK): Define.
1173 (hppa_profile_hook): Declare.
1174 (PROFILE_BEFORE_PROLOGUE): Delete.
1175 (ASM_OUTPUT_REG_PUSH): Delete.
1176 (ASM_OUTPUT_REG_POP): Delete.
1177 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1178 r24. Accept function name operand, and use this and a locally
1179 generated label to calculate pc-rel offset to func start.
1181 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1183 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1184 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1187 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1189 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1190 LO_SUM cases to where they belong.
1192 2001-04-02 Richard Henderson <rth@redhat.com>
1194 * except.h (lang_eh_type_covers): Mark extern.
1195 (lang_eh_runtime_type): Likewise.
1197 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1199 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1200 gengenrtl.c: Wrap generated header in multiple-include guard.
1201 Improve error checking.
1203 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1205 * configure.in: Don't check for putenv.
1206 * configure: Regenerate.
1207 * gcc.c (putenv): Don't define.
1208 * vax/xm-vms.h: Handle putenv.
1210 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1212 * ifcvt.c (noce_emit_move_insn): New.
1213 (noce_try_store_flag, noce_try_store_flag_constants,
1214 noce_try_store_flag_inc, noce_try_store_flag_mask,
1215 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1216 noce_try_abs): Use it.
1217 (noce_process_if_block): Likewise.
1218 For STRICT_LOW_PART, take mode from its SUBREG.
1220 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1222 * fold-const.c (fold): Before optimizing unsigned comparison with
1223 0x7fffffffU, make sure arg0 is integral type.
1225 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1227 * c-tree.texi: Document representation of wide strings.
1229 2001-04-01 Richard Henderson <rth@redhat.com>
1231 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1233 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1235 * i386.md: remove obsoleted comments.
1236 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1237 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1238 fix output template.
1240 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1242 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1244 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1246 * loop.c (load_mems): When generating a load from a pseudo, update
1249 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1251 * i386.c (ix86_split_long_move): Use change address to compensate
1252 stack pointer change in push instruction.
1254 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1256 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1257 instead of rtx_equal_p; fix the output template.
1259 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1261 * i386.c (ix86_expand_setcc): Support 64bit.
1262 (ix86_expand_int_movcc): Likewise.
1263 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1266 * i386.md (allocate_stack_worker): Turn to expander.
1267 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1269 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1271 2001-03-29 Richard Henderson <rth@redhat.com>
1273 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1275 2001-03-28 Matthew Hiller <hiller@redhat.com>
1277 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1280 * MAINTAINERS: Added self.
1282 2001-03-28 Richard Henderson <rth@redhat.com>
1284 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1285 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1287 2001-03-28 Jim Wilson <wilson@redhat.com>
1289 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1292 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1294 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1296 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1299 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1301 2001-03-28 DJ Delorie <dj@redhat.com>
1303 * Makefile.in (stage1_build): Revert CFLAGS patch.
1305 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1307 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1308 when multiplier or multiplicand is zero.
1310 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1312 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1314 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1316 (set_src_needs_barrier): Likewise.
1317 (rtx_needs_barrier): For SET case, use these two functions. Rework
1318 PARALLEL case to handle all inputs before all outputs.
1319 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1320 saw a label and no stop bit since then.
1321 (maybe_rotate, process_epilogue): Add prototypes.
1323 2001-03-28 Richard Henderson <rth@redhat.com>
1325 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1326 not TARGET_TOC for special toc restore handling.
1327 * config/rs6000/rs6000.md (eh_return): Likewise.
1329 2001-03-28 Richard Henderson <rth@redhat.com>
1331 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1332 current_function_calls_eh_return.
1333 (output_function_epilogue): Handle eh_return.
1334 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1335 (EH_RETURN_DATA_REGNO): New.
1336 (EH_RETURN_STACKADJ_RTX): New.
1337 (EH_RETURN_HANDLER_RTX): New.
1338 * config/sparc/sparc.md (call/short branch peepholes): Check
1339 can_throw_internal instead of in_same_eh_region.
1341 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1342 for eh_return data registers.
1343 (rs6000_emit_prologue): Save eh_return data registers.
1344 (rs6000_emit_epilogue): Force inline restores if eh_return.
1345 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1346 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1347 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1348 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1349 the target uses one.
1350 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1351 (return_eh_si, return_eh_di): Remove.
1352 (eh_return): New, from corpse of eh_epilogue.
1353 (eh_set_lr_si, eh_set_lr_di): New.
1355 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1356 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1357 True for pic register if current_function_calls_eh_return.
1358 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1359 Handle eh_return requirements.
1360 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1361 (EH_RETURN_STACKADJ_RTX): New.
1362 * config/i386/i386.md (exception_receiver): Remove.
1363 (eh_return, eh_return_1): New.
1364 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1366 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1367 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1368 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1369 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1370 (EH_RETURN_DATA_REGNO): New.
1371 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1372 * config/alpha/alpha.md (eh_epilogue): Remove.
1373 (exception_receiver): Use $26 for ldgp input.
1374 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1376 2001-03-28 Richard Henderson <rth@redhat.com>
1378 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1379 * except.h: Likewise.
1381 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1382 (LIB2ADDEHDEP): New.
1383 (LIB2FUNCS_EH): Remove.
1384 (LIB2ADD): Remove LIB2ADDEH.
1385 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1386 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1387 (crt{begin,end}[S].o): Likewise.
1388 (except.o): Update includes.
1389 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1390 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1392 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1393 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1394 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1395 * builtins.c (expand_builtin): Implement it.
1396 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1397 * c-common.c (c_common_nodes_and_builtins): Declare it.
1398 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1399 * calls.c (libfunc_nothrow): Remove.
1400 (emit_library_call_value_1): Don't call it.
1401 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1402 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1403 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1404 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1405 (current_funcdef_number): Globalize.
1406 (output_call_frame_info): Emit frame data if an lsda is needed.
1407 Generate augmentation for personality routine. Don't play with
1409 (dwarf2out_begin_prologue): Record funcdef_number.
1410 * dwarf2out.h (current_funcdef_number): Declare.
1411 * expr.c (expand_expr): Update for except.h name changes.
1412 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1413 * expr.h (LTI_throw, LTI_rethrow): Remove.
1414 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1415 (LTI_eh_rtime_match): Remove.
1416 (LTI_unwind_resume, LTI_eh_personality): Add.
1417 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1418 * final.c (final): Don't call check_exception_handler_labels,
1419 init_insn_eh_region, or free_insn_eh_region.
1420 (final_scan_insn): Always emit debug labels for
1421 NOTE_INSN_EH_REGION notes.
1422 * flags.h (flag_new_exceptions): Remove.
1423 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1424 (record_active_eh_regions): Remove.
1425 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1426 Use can_throw_internal.
1427 (find_basic_blocks_1): Likewise.
1428 (move_stray_eh_region_notes): Remove.
1429 (find_label_refs): No eh_return_stub_label.
1430 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1431 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1433 (delete_unreachable_blocks): Don't track deleted handlers.
1434 (flow_delete_block): Use maybe_remove_eh_handler.
1435 (delete_eh_regions): Remove.
1436 (merge_blocks): Don't check for eh region match.
1437 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1438 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1439 (init_propagate_block_info): Disable dead frame store optimization
1440 when current_function_calls_eh_return.
1441 (dump_bb): Don't print eh_beg, eh_end.
1442 * function.c (fixup_var_refs): No catch_clauses.
1443 (expand_function_end): Likewise. Call expand_eh_return before
1444 the return register use. Call sjlj_emit_function_exit_after.
1445 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1446 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1447 * ifcvt.c (dead_or_predicable): Remove eh region check.
1448 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1449 Don't check for EH vs parameters.
1450 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1451 (expand_inline_function): Call duplicate_eh_regions.
1452 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1453 (copy_insn_notes): Remap REG_EH_REGION notes.
1454 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1455 * integrate.h (struct inline_remap): Add local_return_label.
1456 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1457 check_exception_handler_labels, nor exception_optimize.
1458 (find_cross_jump): No EH region check.
1459 * optabs.c (init_optabs): Update for changed eh libfuncs.
1460 * rtl.def (RESX): New.
1461 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1462 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1463 checks. Update for except.h name changes.
1464 (expand_cleanups): Likewise.
1465 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1466 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1467 (compile_file): Call init_eh before init_optabs. Don't
1468 output_exception_table here.
1469 (rest_of_compilation): Call convert_from_eh_region_ranges,
1470 convert_to_eh_region_ranges, output_function_exception_table.
1471 Don't emit_eh_context.
1472 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1473 (EXC_PTR_EXPR): New.
1475 * md.texi (eh_epilogue): Remove.
1476 (eh_return): Document.
1477 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1478 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1480 * eh-common.h: Remove file.
1481 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1482 * libgcc2.c (L_eh): Remove.
1484 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1485 * unwind-dw2-fde.h: New file.
1486 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1487 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1488 * libgcc-std.ver: Update for eh symbols.
1490 2001-03-27 Richard Henderson <rth@redhat.com>
1492 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1493 reduce false positives.
1494 (regmove_optimize): Disable if flag_non_call_exceptions.
1496 * stmt.c (expand_return): Remove always true predicate.
1497 (expand_decl_cleanup_no_eh): Remove dead code.
1499 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1500 barrier code. Add a scheduling barrier if a non-call insn
1501 can throw internally.
1503 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1504 Auto-inc addresses trap only if their base register does.
1506 * except.c (can_throw_internal): Rename from can_throw.
1507 * except.h, resource.c: Update references.
1509 * integrate.c (copy_insn_list): Use returnjump_p.
1510 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1512 * function.h (struct function): Move all boolean valued fields
1513 to single bit fields at the end of the struct.
1515 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1517 Rename asynchronous_exceptions to flag_non_call_exceptions.
1519 * gthr-single.h (UNUSED): New. Distinguish between how C
1520 and C++ mark unused function arguments. Use throughout.
1522 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1523 value to target configuration header.
1524 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1525 * config.in, configure: Rebuild.
1526 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1527 configuration and target defines.
1528 (exceptions_via_longjmp): Remove.
1529 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1530 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1532 * except.h (flag_non_call_exceptions): Move ...
1533 * flags.h: ... here.
1535 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1536 exceptions, put the note on the trapping instruction.
1538 * flags.h (flag_new_exceptions): Remove.
1539 * toplev.c: Don't set it.
1540 * final.c: Don't check it.
1541 * except.c: Provide stub definition.
1543 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1544 (calculate_global_regs_live): Kill call-clobbered registers
1545 across exception edges.
1546 * reg-stack.c (convert_regs_1): Kill the entire target stack
1547 across non-call exception edges.
1549 * flow.c (cleanup_cfg): Take no argument.
1550 * output.h, sibcall.c, toplev.c: Update all calls.
1552 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1554 * configure.in: Don't check for bcopy.
1555 * configure, config.in: Regenerate.
1557 * system.h: Don't define or prototype bcopy, instead poison it.
1559 2001-03-27 Richard Henderson <rth@redhat.com>
1561 * function.c (expand_function_start): Set DECL_REGISTER on
1562 a pseudo used for DECL_RESULT.
1564 * rtl.h (LCT_NORETURN): New.
1565 * calls.c (emit_library_call_value_1): Handle it.
1567 2001-03-27 Stan Shebs <shebs@apple.com>
1569 * objc/objc-act.c (objc_init): Use dump_base_name.
1570 (gen_declaration): Clear the buffer arg.
1571 (gen_declaration_1): New function, body of gen_declaration.
1572 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1573 (gen_method_decl): Ditto, plus always clear buffer arg.
1574 (error_with_ivar): Simplify.
1575 (warn_with_method): Ditto.
1576 (build_message_expr): Don't clear buffers.
1577 (dump_interface): Ditto.
1578 (objc_debug): Ditto.
1579 (build_keyword_selector): Clear the buffer by only zeroing
1581 (objc_implementation_context): Declare.
1582 (start_class): Warn about missing @end.
1583 (finish_objc): Ditto.
1585 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1587 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1589 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1591 * Makefile.in (SYSTEM_H): Define.
1592 Depend on $(SYSTEM_H), not system.h.
1594 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1596 2001-03-27 Jim Wilson <wilson@redhat.com>
1598 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1600 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1601 (process_epilogue): New static function.
1602 (process_set): Call process_epilogue instead of emitting .restore
1604 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1606 * flow.c (struct reg_cond_life_info): New fields orig_condition
1608 (init_propagate_block_info): Set new fields.
1609 (mark_regno_cond_dead): Set and use new fields.
1610 (flush_reg_cond_reg_1): Likewise.
1611 (and_reg_cond, case AND): Check for redundant AND conditions.
1612 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1615 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1617 * cppmacro.c (stringify_arg): Null terminate strings.
1619 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1621 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1622 inclusion style. xm-m68hc11.h no longer exists.
1623 * config/m68hc11/xm-m68hc11.h: Delete file.
1624 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1626 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1627 Don't define GCC_VERSION, N_, or PARAMS; don't include
1628 gansidecl.h or stdio.h. Define inhibit_libc here.
1629 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1630 Delete code conditioned on #if GCC_VERSION == 2095.
1632 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1633 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1634 Delete code conditioned on #if GCC_VERSION == 2095.
1636 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1638 * system.h: Include symcat.h.
1639 (STRINGIFY): Don't define.
1641 * configure.in: Adjust comment.
1643 * builtins.c: Use STRINGX, not STRINGIFY.
1644 * gencheck.c: Likewise.
1645 * gengenrtl.c: Likewise.
1646 * protoize.c: Likewise.
1648 * cpplex.c: Don't include symcat.h.
1649 * cpplib.c: Likewise.
1651 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1653 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1655 * c-typeck.c (digest_init): Fold init expression.
1657 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1659 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1661 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1663 * except.c (eh_regs): Save results of build_pointer_type to a temp
1664 as FUNCTION_VALUE macro may evaluate its args multiple times.
1666 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1668 * c-common.h (DECL_NUM_STMTS): New macro.
1669 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1671 (pushdecl): Likewise.
1672 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1673 * integrate.c (expand_inline_function): Don't check
1675 * print-tree.c (print_node): Don't print it.
1676 * toplev.c (rest_of_compilation): Don't try to inline when
1677 flag_no_inline is on.
1678 * tree.h (DECL_FRAME_SIZE): Remove.
1679 (tree_decl): Adjust accordingly.
1681 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1683 * combine.c (try_combine): Use memcpy, not bcopy.
1685 * genattrtab.c (expand_units): Likewise.
1687 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1689 * i386.md (push mem DI peep2): New.
1690 (mov 0, mov -1 peep2): Handle 64bit.
1691 (lea to arithmetics peep2): Handle 64bit leas.
1692 (rsp arithmetics to push/pop peep2s): New.
1694 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1696 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1698 * i386.c (struct machine_function): Add save_varrargs_registers.
1699 (ix86_save_varrargs_registers): New macro.
1700 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1701 (ix86_expand_prologue): Likewise.
1702 (ix86_emit_epilogue_esp_adjustement): Likewise.
1703 (ix86_expand_epilogue): Likewise.
1704 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1705 (pro_epilogue_adjust_stack_1): New insn.
1706 (pro_epilogue_adjust_stack_rex64): Likewise.
1707 * i386.h (MASK_NO_RED_ZONE): New constant.
1708 (TARGET_RED_ZONE): New macro.
1709 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1710 (RED_ZONE_SIZE): New constant.
1711 (RED_ZONE_RESERVE): New constant.
1713 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1715 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1717 2001-03-25 Kazu Hirata <kazu@hxi.com>
1719 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1722 (umodhi3): Likewise.
1725 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1727 * mkconfig.sh (DEFINES): Handle entries with '='.
1729 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1730 Set xm_defines to MACRO=value instead.
1732 * i370/xm-mvs.h: Delete.
1734 * ns32k/xm-pc532-min.h: Likewise.
1736 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1738 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1740 use ix86_expand_binary_operator
1741 (?sh??i_?): Disable for 64bit.
1742 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1743 * i386.c (shiftdi_operand): New predicate.
1745 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1746 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1747 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1748 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1749 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1750 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1751 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1752 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1753 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1754 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1755 (rotldi3, rotrdi3): New expanders.
1757 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1759 * i386.md (movstrsi): Move offline.
1761 (strmovdi_rex64): New.
1762 (strmov?i): Accept 64bit.
1763 (strmov?i_rex64): New.
1764 (strmov?i_rex_1): New.
1765 (strmov?i_1): Disable for 64bit.
1766 (rep_mov?i_rex64): New.
1767 (rep_mov?i): Disable for 64bit.
1768 (clrstrsi): Move offline.
1769 (strset?i_rex64): New.
1770 (strset?i: Accept 64bit.
1771 (rep_stos?i): Disable for 64bit.
1772 (rep_stos?i_rex64): New.
1773 (strset?i_rex_1): New.
1774 (strset?i_1): Disable for 64bit.
1775 (cmpstrsi): Accept 64bit.
1776 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1777 (cmpstrqi_nz_rex_1): New.
1778 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1779 (strlensi): Move offline.
1781 (strlenqi_1): Disable for 64bit; fix constraints.
1782 (strlenqi_rex_1): New.
1783 * i386.c (ix86_adjust_counter): New static function.
1784 (ix86_zero_extend_to_Pmode): Likewise.
1785 (ix86_expand_aligntest): Likweise.
1786 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1787 (ix86_expand_movstr): New global function.
1788 (ix86_expand_clrstr): New global function.
1789 (ix86_expand_strlen): New global function.
1790 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1791 ix86_expand_strlen): Declare.
1792 (ix86_expand_strlensi_unroll_1): Delete.
1794 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1796 * i386.md (cmpdi): Fix operand predicates.
1797 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1798 cmpdi_1_insn_rex64): New patterns.
1799 (adddi3): Turn to expander.
1800 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1801 (addsi3_carry_zext): New pattern.
1802 (adddi_?_rex64): New patterns and splitters.
1803 (addsi_?_zext): New patterns.
1804 (subsi3_carry_zext): New pattern.
1805 (subdi_?_rex64): New patterns and splitters.
1806 (iorsi_?_zext): New patterns.
1807 (iordi_?_rex64): New patterns and splitters.
1808 (iorsi_?_zext): New patterns.
1809 (iorsi_?_zext_imm): New patterns.
1810 (xorsi_?_zext): New patterns.
1811 (xordi_?_rex64): New patterns and splitters.
1812 (xorsi_?_zext): New patterns.
1813 (negdi*): New patterns.
1814 (one_cmpldi*): Likewise.
1815 (one_cmplsi*_zext, negsi*_zext): Likewise.
1816 (testqi_ext_3_rex64): New pattern.
1818 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1820 * i386-protos.h (ix86_split_long_move): Return void.
1821 * i386.c (ix86_split_to_parts): Handle 64bit target.
1822 (ix86_split_long_move): Likewise.
1823 * i386.md (all calls to ix86_split_long_move): Update.
1825 2001-03-23 Richard Henderson <rth@redhat.com>
1827 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1828 to avoid shadowing arguments.
1830 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1832 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1833 to variable names where DECL_NAME is different from
1834 DECL_ASSEMBLER_NAME.
1836 2001-03-23 Jim Wilson <wilson@redhat.com>
1838 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1839 (assemble_alias): Call make_decl_rtl.
1841 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1843 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1845 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1847 * extend.texi: Document the "java_interface" attribute.
1849 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1851 * mkconfig.sh: Use a subshell with redirected stdout,
1852 instead of closing stdout and confusing commands that run
1853 afterward. Throw away output of cmp.
1855 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1857 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1859 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1861 * i386.md (zero_extendsidi2_32): Break out from ...
1862 (zero_extendsidi2): ... here ; turn to expander.
1863 (zero_extendsidi2_rex64): New.
1864 (extendsidi2_32): Break out from ...
1865 (extendsidi2): ... here ; turn to expander.
1866 (extendsidi2_rex64): New.
1867 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1868 (trunc?f?f splitters): Add 64bit versions.
1870 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1872 * i386.md (pushsi, pushsi2_prologue): Disable.
1873 (pushsi2_rex64): New.
1874 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1875 (movqi_ext_1): Disable for 64bit.
1876 (movqi_ext_1_rex64): New.
1877 (pushdi2_rex64): New pattern, peep2s and splitter.
1878 (pushdi2_prologue_rex64): New pattern.
1879 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1881 (movdi splitters): Disable for 64bit.
1882 (movdi_1_rex64): New pattern, peep2s and splitters.
1883 (swapdi): New pattern.
1884 (pushsf): Disable for 64bit.
1885 (pushsf_rex64): New pattern and splitter.
1886 (pushdf_nointeger): Disable for 64bit.
1887 (pushdf_integer): Handle the 64bit case.
1888 (pushtf): Likewise; update splitters.
1890 2001-03-22 Richard Henderson <rth@redhat.com>
1892 * mkconfig.sh: Include insn-flags.h.
1893 * Makefile.in (CONFIG_H): Include insn-flags.h.
1894 (lots of objects): Remove insn-codes.h and insn-flags.h.
1896 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1897 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1898 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1899 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1900 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1901 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1902 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1903 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1904 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1905 v850/v850.c, vax/vax.c:
1906 Don't include insn-flags.h.
1908 * diagnostic.c, expr.h, reload.c, toplev.c:
1909 Don't include insn-codes.h.
1911 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1912 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1913 c4x/c4x.c, i960/i960.c, mips/mips.c:
1914 Don't include insn-codes.h or insn-flags.h.
1916 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1917 or insn-flags.h in the generated code.
1918 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1919 (main): Forward declare struct rtx_def.
1921 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1923 * invoke.texi (-ffast-math): Remove duplicate line about
1926 * gcc.texi: Remove more obsolete documentation of bugs and
1927 installation problems.
1929 2001-03-21 Kazu Hirata <kazu@hxi.com>
1931 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1934 2001-03-20 Jason Merrill <jason@redhat.com>
1936 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1938 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1939 * varasm.c (CHKR_PREFIX): Likewise.
1941 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1943 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1944 is part of a multi-SET insn.
1946 * cse.c (find_comparison_args): Remove previous change.
1947 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1950 * config/i386/i386.md (conditional_trap): Remove warning.
1952 * recog.c (push_operand): Fix error in last change that caused
1953 undefined symbol on many targets.
1955 * sdbout.c: #include ggc.h.
1956 (sdbout_init): Move to end of file.
1957 Call ggc_add_tree_root for anonymous_types.
1958 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1959 (sdbout_one_type): Use DECL_NAME for field name.
1960 * Makefile.in (sdbout.o): Show includes ggc.h.
1962 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1964 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1965 (override_options): Use properlimits for preferred_stack_boundary.
1966 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1968 (ext_register_operand): Accept DImode.
1969 (load_pic_register): Abort on 64bit.
1970 (gen_push): Use Pmode instead of SImode.
1971 (ix86_save_reg): Pic reg is never used on 64bit.
1972 (ix86_expand_prologue): Likewise.
1973 (ix86_emit_save_regs): Use Pmode instead of SImode.
1974 (legitimate_address_p): Check displacement for 64bit.
1975 (print_operand): Avoid outputting of (%rip) on 64bit.
1976 (print_operand_address): Output (%rip) where possible.
1977 (split_di): Abort on 64bit registers.
1978 (ix86_expand_branch): DImode comparison is simple for x86_64.
1979 (memory_address_length): Recognize memory addresses formed using
1981 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1983 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1985 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1987 * recog.c (push_operand): Recognize new format of push instructions.
1989 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1991 * i386.md (pushqi1): New.
1992 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1993 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1994 x86_64_immediate_operand, x86_64_immediate_operand,
1995 x86_64_zext_immediate_operand): Declare.
1996 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1997 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1998 x86_64_immediate_operand, x86_64_immediate_operand,
1999 x86_64_zext_immediate_operand): define.
2000 * i386.h (PREDICATE_CODES): Add new predicates.
2002 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2004 * i386.md (pophi1, popqi1, pushqi1): Remove.
2006 * expr.c (emit_single_push_insn): New function.
2007 (move_by_pieces): Accept NULL as destination for push instructions.
2008 (gen_push_operand): Kill.
2009 (emit_push_insn): Pass NULL when pushing; avoid updating of
2010 stack_pointer_delta.
2011 * expr.h (gen_push_operand): Kill.
2013 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2015 * rtl.texi (COMPARE): Clarify documentation and reference section
2018 2001-03-20 Stan Shebs <shebs@apple.com>
2020 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2021 (get_object_reference): Ditto.
2022 (error_with_ivar): Use error_with_file_and_line.
2023 (warn_with_method): Use warning_with_file_and_line.
2025 2001-03-20 Tom Tromey <tromey@redhat.com>
2027 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2029 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2031 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2032 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2034 2001-03-20 DJ Delorie <dj@redhat.com>
2036 * Makefile.in (install-libgcc): Pass complete list of variables.
2037 (install-multilib): Ditto.
2039 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2041 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2042 drectve_section, switch_to_section.
2044 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2045 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2046 i386_pe_mark_dllimport.
2048 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2050 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2051 functions i386_pe_*.
2053 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2054 i386_pe_* functions with char * arguments.
2056 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2058 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2060 (movsi_ie): Introduce fpul store.
2062 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2064 * Makefile.in (OBJS): Remove hashtab.o.
2066 2001-03-19 Stan Shebs <shebs@apple.com>
2068 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2069 * c-lang.c (maybe_objc_method_name): Ditto.
2070 * c-tree.h (maybe_objc_method_name): Remove decl.
2072 2001-03-19 Tom Tromey <tromey@redhat.com>
2074 * gcc.c (init_gcc_specs): Fix comment.
2076 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2078 Compute DECL_ASSEMBLER_NAME lazily.
2079 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2080 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2081 (SET_DECL_ASSEMBLER_NAME): Likewise.
2082 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2083 (set_decl_assembler_name): Declare.
2084 (lang_set_decl_assembler_name): Likewise.
2085 * tree.c (lang_set_decl_assembler_name): New variab.e
2086 (set_decl_assembler_name): New function.
2087 (init_obstacks): Set lang_set_decl_assembler_name.
2088 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2089 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2090 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2091 where it's not necessary.
2092 (builtin_function): Likewise.
2093 (finish_decl): Likewise.
2094 * dbxout.c (dbxout_type_methods): Likewise.
2095 * ggc-common.c (ggc_mark_trees): Likewise.
2096 * profile.c (output_func_start_profiler): Likewise.
2097 * varasm.c (make_decl_rtl): Likewise.
2099 * cse.c (find_comparison_args): Update documentation. Fix
2100 mishandling of COMPARE operations.
2102 * tree.def (ABS_EXPR): Add documentation.
2103 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2105 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2107 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2109 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2111 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2112 Remove ia32 linux PIC kludge and move it...
2113 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2115 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2117 * i386.md (absdf2 expander): Fix 64bit case.
2119 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2121 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2123 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2125 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2127 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2129 * README.X11: Remove obsolete file.
2131 2001-03-18 Anthony Green <green@redhat.com>
2133 * config/pj/pj.h: Remove some trailing commas.
2134 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2136 2001-03-18 Richard Henderson <rth@redhat.com>
2138 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2139 * calls.c: ... here.
2140 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2141 defaults for them here.
2143 2001-03-17 Anthony Green <green@redhat.com>
2145 * config/pj/lib1funcs.S: Fix broken comment.
2146 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2149 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2151 * gcc.texi: Remove obsolete information relating to build and
2152 installation problems with enquire or the Pyramid C compiler.
2154 2001-03-17 Richard Henderson <rth@redhat.com>
2156 * dwarf2out.c (queue_reg_save): New.
2157 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2158 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2160 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2161 (cfa, cfa_store, cfa_temp): Make static.
2162 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2164 2001-03-17 Richard Henderson <rth@redhat.com>
2166 * integrate.h (struct inline_remap): Add local_return_label.
2167 * integrate.c (expand_inline_function): Initialize it and emit
2168 it after copy_insn_notes.
2169 (copy_insn_list): Don't store local_return_label here.
2170 (copy_insn_notes): New function split out from copy_insn_list.
2172 2001-03-17 Richard Henderson <rth@redhat.com>
2174 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2175 is generating .debug_line.
2176 (dwarf2out_init): Add main_input_filename to the file table first.
2177 * configure.in (as_dwarf2_debug_line): Test with file number 1
2178 instead of file number 0.
2180 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2182 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2183 (gen_rtx_combine): Deleted; all references changed as appropriate.
2184 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2186 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2188 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2190 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2193 2001-03-16 Jim Wilson <wilson@redhat.com>
2195 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2196 then set it to LOC_REG (79) instead of aborting.
2198 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2200 * gccbug.in: Remove high priority.
2202 2001-03-16 Richard Henerson <rth@redhat.com>
2204 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2205 output with a space instead of deleting it.
2206 * configure: Regenerate.
2208 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2210 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2211 handles the gory details of converting an object file into
2212 something that's safe to grep.
2213 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2214 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2215 newlines at either end of the string we're looking for.
2216 Make 'checking ...' message less stilted.
2217 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2218 ARM in-memory layout and its hypothetical converse. Don't
2219 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2220 HOST_WORDS_BIG_ENDIAN.
2222 * configure.in: Adjust for renamed macro. Move
2223 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2224 * configure, config.in: Regenerate.
2226 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2228 * fixinc/Makefile.in: Set SHELL.
2230 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2232 * fixinc/fixincl.c (fix_with_system): Quote file names before
2233 passing them to shell.
2235 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2237 * Makefile.in: Use fix-header$(build_exeext) instead
2240 2001-03-16 Richard Henderson <rth@redhat.com>
2242 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2243 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2244 (size_of_line_prolog): Remove.
2245 (output_line_info): Compute prologue size via label difference.
2246 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2248 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2249 assembler error when redefining file numbers.
2250 * config.in, configure: Rebuild.
2252 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2253 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2254 (dw2_asm_output_delta_uleb128): Likewise.
2255 (dw2_asm_output_delta_sleb128): Similarly.
2256 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2258 2001-03-16 Michael Meissner <meissner@redhat.com>
2260 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2262 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2264 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2266 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2267 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2268 being unsigned in ISO C and signed in traditional.
2269 (expand_prologue): Ditto.
2270 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2272 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2274 (divsi3,divdi3): Ditto.
2275 (modsi3,moddi3): Ditto.
2276 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2277 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2278 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2281 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2283 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2284 SSE based conditional moves on LTGT/UNEQ conditions;
2285 Canonicalize EQ to NE.
2286 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2287 (sse_mov?fcc_ne): New.
2289 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2291 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2293 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2294 register may be dead.
2296 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2298 * Makefile.in (hash.o): Depend on CONFIG_H.
2300 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2302 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2304 2001-03-15 Richard Henderson <rth@redhat.com>
2306 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2307 (ASM_OUTPUT_DWARF_PCREL): New.
2308 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2310 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2312 * cppfiles.c (stack_include_file): Use MAX of sysp.
2314 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2316 * config.gcc (ia64*-*-hpux*): New case.
2317 * config/ia64/hpux.h: New file for HP-UX support.
2318 * config/ia64/t-hpux: New file for HP-UX support.
2320 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2322 * fixinc/inclhack.def (irix_stdio_va_list): New.
2323 * fixinc/fixincl.x: Rebuilt.
2325 2001-03-15 Richard Henderson <rth@redhat.com>
2327 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2328 if provided by the target.
2329 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2330 (dw2_asm_output_addr): New.
2331 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2332 * dwarf2out.c (output_cfi): Use it for program addresses.
2333 (output_call_frame_info, output_die): Likewise.
2334 (output_aranges, output_line_info): Likewise.
2336 2001-03-15 Bruce Korb <bkorb@gnu.org>
2338 * gcc.c(main): make more rigorous
2339 * collect2.c(main): guard against ignoring SIGCHLD
2340 * protoize.c(main): ditto
2341 * gcc/fixinc/fixincl.c(initialize): ditto
2343 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2345 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2346 (sdbout_parms): Likewise.
2348 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2350 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2351 "widen" a destination that is already wider than a word. Also do
2352 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2354 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2356 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2358 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2360 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2362 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2364 * i960.h (i960_maxbitalignment,
2365 i960_last_maxbitalignment): Declare.
2366 * i960.c (i960_maxbitalignment,
2367 i960_last_maxbitalignment): Make global.
2368 (process_pragma): Delete.
2369 (i960_pr_align, i960_pr_noalign): Move from here ...
2370 * i960-c.c: ... to this new file.
2371 * t-960bare (i960-c.o): New rule.
2372 * t-vxworks960 (i960-c.o): Likewise.
2373 * config.gcc (i960-*-*): Define c_target_objs and
2376 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2378 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2379 without adding in rtx code and mode.
2381 * alias.c (init_alias_analysis): Don't use any rtx whose value
2382 varies as a known value.
2383 Delete a superfluous test.
2385 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2387 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2388 scheduling a stop bit.
2389 (ia64_emit_nops): Correctly handle ASMs.
2391 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2393 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2395 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2397 * cpp.texi: Update documentation for -include and -imacros.
2398 * cppfiles.c (struct include_file): Remove "defined" memeber.
2399 (find_or_create_entry): Make a copy of the file name, and
2401 (open_file): Update to ensure we use the simplified filename.
2402 (stack_include_file): Don't set search_from.
2403 (cpp_included): Don't simplify the path name here.
2404 (find_include_file): New prototype. Call search_from to
2405 get the start of the "" include chain. Don't simplify the
2407 (_cpp_execute_include): New prototype. Move diagnostics to
2408 do_include_common. Update.
2409 (_cpp_pop_file_buffer): Don't set defined.
2410 (search_from): New prototype. Use the preprocessor's cwd
2411 for files included from the command line.
2412 (read_name_map): Don't simplify the pathname here.
2413 * cpphash.h (enum include_type): New.
2414 (struct buffer): Delete search from. New search_cached.
2415 (_cpp_execute_include): Update prototype.
2416 * cppinit.c (do_includes): Use _cpp_execute_include.
2417 * cpplib.c (do_include_common): New function.
2418 (do_include, do_include_next, do_import): Use it.
2420 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2422 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2423 contents of the RTL, to determine the name of the object.
2425 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2427 * tree.h (DECL_RTL): Allocate RTL lazily.
2428 (SET_DECL_RTL): New macro.
2429 (DECL_RTL_SET_P): Likewise.
2430 (COPY_DECL_RTL): Likewise.
2431 (DECL_RTL_IF_SET): Likewise.
2432 * varasm.c (make_decl_rtl): Add assertions about the kind of
2433 declaration we are processing.
2434 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2435 (start_decl): Likewise.
2436 (finish_decl): Likewise.
2437 * c-semantics.c (emit_local_var): Likewise.
2438 * calls.c (expand_call): Likewise.
2439 * dbxout.c (dbxout_symbol): Likewise.
2440 * emit-rtl.c (unshare_all_rtl): Likewise.
2441 (unshare_all_decls): Likewise.
2442 (reset_used_decls): Likewise.
2443 * expr.c (store_constructor): Likewise.
2444 (safe_from_p): Likewise.
2445 (expand_expr): Likewise.
2446 * function.c (put_var_into_stack): Likewise.
2447 (instantiate_decls_1): Likewise.
2448 (assign_parms): Likewise.
2449 (expand_function_start): Likewise.
2450 (expand_function_end): Likewise.
2451 * ggc-common.c (gcc_mark_trees): Likewise.
2452 * integrate.c (function_cannot_inline_p): Likewise.
2453 (copy_decl_for_inlining): Likewise.
2454 (expand_inline_function): Likewise.
2455 (integrate_parm_decls): Likewise.
2456 (integrate_decl_tree): Likewise.
2457 * print-tree.c (print_node): Likewise.
2458 * reg-stack.c (stack_result): Likewise.
2459 * stmt.c (label_rtx): Likewise.
2460 (expand_return): Likewise.
2461 (expand_decl): Likewise.
2462 (expand_decl_cleanup): Likewise.
2463 (expand_anon_union_decl): Likewise.
2464 * toplev.c (check_global_declarations): Likewise.
2465 (rest_of_decl_compilation): Likewise.
2466 * tree.c (simple_cst_equal): Likewise.
2467 * objc/objc-act.c (generate_static_references): Likewise.
2469 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2471 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2472 gcc_AC_C_FLOAT_FORMAT): New macros.
2473 * configure.in: Add AC_PROG_CPP after CC tests;
2474 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2475 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2476 * configure, config.in: Regenerate.
2478 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2479 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2480 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2481 config/i370/xm-linux.h, config/i370/xm-oe.h,
2482 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2483 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2484 config/pa/xm-linux.h, config/pa/xm-pa.h,
2485 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2486 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2487 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2488 config/we32k/xm-we32k.h: Delete.
2490 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2491 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2492 config/vax/xm-vms.h: Don't define any of:
2493 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2495 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2497 * config.gcc: Remove references to deleted files.
2498 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2499 FATAL_EXIT_CODE, which is the same between oe and mvs).
2501 2001-03-14 DJ Delorie <dj@redhat.com>
2502 Vladimir Makarov <vmakarov@redhat.com>
2504 * config/i960/i960.c (i960_function_prologue): Compute size of
2505 frame according to number of registers actually saved there.
2507 2001-03-14 Richard Henderson <rth@redhat.com>
2509 * expr.c (emit_move_insn_1): Fix else if around #endif.
2511 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2514 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2517 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2519 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2520 (override_options): Parse cmodel string.
2521 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2522 * i386.h (TARGET_OPTIONS): Add "cmodel".
2523 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2525 (ix86_cmodel_string, ix86_cmodel): Declare.
2527 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2530 * i386.h (GENERAL_REG_P): Add missing REG_P.
2532 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2534 * configure.in: Use $gcc_cv_as instead of $as.
2535 * configure: Regenerated.
2537 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2539 * cppfiles.c (stack_include_file): Only increase the include
2540 count if we actually process the file properly, as opposed
2541 to treating it as length zero. Only call read_include_file
2542 if not DO_NOT_REREAD. Handle the -H include file output
2544 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2545 (cpp_included, find_include_file): Simplify pathnames after
2546 remapping them. If remapping, don't use the remapped file
2547 name's buffer as our scratch buffer.
2548 (cpp_pop_file_buffer): Replace the multiple include macro
2549 only if it isn't yet set.
2550 (read_name_map): Simplify remapped names when reading in.
2551 (remap_filename): Move code to code path that uses it.
2552 (_cpp_simplify_pathname): Return the input pointer.
2553 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2555 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2557 * expr.c (expand_expr): Revove bogus conditional.
2559 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2561 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2563 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2565 * reg-stack.c (stack_result): Unconditionally use
2566 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2568 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2570 * expr.c (emit_move_insn_1): Split push of complex value when
2571 no suitable push instruction exist.
2573 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2574 instead of QI_REG_P.
2576 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2578 * alias.c (handled_component_p, can_address_p): New functions.
2579 (get_alias_set): Use them.
2581 2001-03-13 Jim Wilson <wilson@redhat.com>
2583 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2584 from 80 in try_locals code.
2585 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2587 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2589 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2590 gcc_AC_C_LONG_LONG): New.
2591 * configure.in: Use them. Probe the size of short, int, long,
2592 and long long/__int64 if we have them. Move all the AC_C_*
2593 checks together, except gcc_AC_C_CHAR_BIT which has to go
2594 after AC_CHECK_HEADERS(limits.h).
2595 Take hwint.h out of host_xm_file and build_xm_file.
2597 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2598 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2599 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2600 Move the HOST_WIDEST_INT setup logic here from system.h.
2601 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2603 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2604 is now handled by hwint.h.
2606 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2607 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2608 config/ia64/xm-ia64.h: Don't define any of:
2609 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2610 HOST_BITS_PER_LONGLONG.
2612 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2613 config/h8300/xm-h8300.h, config/mips/iris6.h,
2614 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2615 config/sparc/xm-sp64.h: Delete.
2616 * config.gcc: Remove references to deleted files.
2618 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2619 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2620 * config/i370/xm-linux.h: Clarify floating-point situation in
2623 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2625 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2626 (find_include_file): Decide here which part of the include
2627 chain to start the search. Complain about an empty include
2628 chain in all cases apart from an abolsute file name.
2629 (_cpp_execute_include): Don't choose the search chain here.
2630 Don't call handle_missing_include in the case of an empty
2632 (_cpp_compare_file_date): Don't choose the search chain here.
2633 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2634 here from _cpp_execute_include. Behave like #include if
2635 we're in the main file.
2637 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2639 * system.h (malloc, realloc, calloc, strdup): Only poison these
2640 tokens when IN_GCC is defined.
2642 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2644 * i386.md (abs?f expander): Support SSE case.
2645 (abd?f_if): Add new "USE"; add splitters.
2647 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2649 * cpp.texi (poison): Explain the macro expansion exception.
2651 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2653 * expr.c (store_expr): Add dont_store_target. If temp is already in
2654 target before copying to reg, don't store it into target again.
2656 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2658 * cppinternals.texi: Update for file handling.
2660 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2662 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2663 2001-02-24 which broke building the Java library.
2664 * function.c (identify_blocks): Likewise.
2665 (all_blocks): Likewise.
2666 * integrate.c (integrate_decl_tree): Likewise.
2667 * print-tree.c (print_node): Likewise.
2668 * tree.h (BLOCK_NUMBER): Likewise.
2669 (struct tree_block): Likewise.
2671 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2673 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2674 __WCHAR_TYPE__ definition.
2675 (WCHAR_TYPE_SIZE): #undef before #define.
2677 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2679 * cppfiles.c: Update comments.
2680 (destroy_include_file_node): Rename destroy_node.
2681 (find_or_create_entry): New function.
2682 (open_file, _cpp_fake_include): Use it.
2683 (handle_missing_header): New function, broken out of
2684 _cpp_execute include. Don't segfault if there is no
2685 system or quoted path.
2686 (_cpp_execute_include): Use handle_missing_header.
2688 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2690 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2691 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2693 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2695 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2696 unless anti_dependence says they are.
2697 * alias.c (objects_must_conflict): If neither has a type specified,
2700 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2701 David Billinghurst <David.Billinghurst@riotinto.com>
2703 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2705 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2707 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2708 (*_one_bit): Remove type on the match_operand in attributes.
2710 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2712 * i386.c: Commit forgotten hunk in previous patch.
2713 (regclass_map): Add extended registers.
2714 (dbx_register_map): Add missing frame register.
2716 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2718 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2720 * i386.md (x86_sahf_1): Disable for 64bit.
2721 (popsi*, pophi*): Likewise.
2722 (pushqi, pushhi): Likewise.
2723 (movdi, pushdi): Likewise.
2724 (zero extend DImode splitter): Likewise.
2725 (adddi, minusdi splitter): Likewise.
2726 (umulsidi): Likewise.
2728 (mulsidi): Disable for 64bit
2729 (lshift:DI/ashift:DI): Disable for 64bit.
2730 (loop patterns): Likewise.
2731 (call_pop, call_value_pop expanders and patterns): Likewise.
2732 (prologue_get_pc): Likewise.
2734 (fcmovDI pattern and splitter): Likewise.
2735 (movdfcc_1_rex64): New.
2737 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2739 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2740 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2741 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2742 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2743 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2744 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2745 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2746 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2747 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2748 (REGPARM_MAX): Set to 6 for x86_64.
2749 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2750 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2753 * (patterns that does use upper halves): Update constraints
2754 'q' to 'Q' and 'r' to 'R'.
2755 (cmpqi_ext_1): Disable for 64bit.
2756 (cmpqi_ext_3_insn): Likewise.
2757 (movqi_extzv_1): Likewsie.
2758 (addqi_ext_1): Liekwsie
2759 (testqi_ext_1): Liekwsie
2760 (andqi_ext_1): Liekwsie
2761 (xorqi_ext_1): Liekwsie
2762 (cmpqi_ext_1_rex64): New.
2763 (cmpqi_ext_3_insn_rex64): Likewise.
2764 (movqi_extzv_1_rex64): Likewsie.
2765 (addqi_ext_1_rex64): Liekwsie
2766 (testqi_ext_1_rex64): Liekwsie
2767 (andqi_ext_1_rex64): Liekwsie
2768 (xorqi_ext_1_rex64): Liekwsie
2770 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2772 * configure.in: Move check for unsigned enumerated bitfields
2773 to macro in aclocal.m4. Disable it for now.
2774 * configure, config.in: Regenerate.
2775 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2776 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2777 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2778 kind above its first use.
2780 * config/xm-interix.h, config/alpha/xm-alpha.h,
2781 config/i370/xm-linux.h, config/i386/xm-beos.h,
2782 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2783 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2784 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2785 Don't define ONLY_INT_FIELDS under any circumstances.
2787 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2789 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2790 config/sparc/xm-sysv4.h: Delete - now identical with some
2792 * config.gcc (hppa targets): Replace xm-pahpux.h and
2793 xm-papro.h with implicit xm-pa.h.
2794 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2797 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2799 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2800 before reload_cse_noop_set_p.
2802 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2804 * config.gcc: Where xm-host.h used to include another
2805 xm-host.h, list the nested header directly in xm_file. Remove
2806 references to deleted files. Can now use sparc/xm-sp64.h for
2809 * config/xm-linux.h, config/arm/xm-linux.h,
2810 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2811 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2812 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2813 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2814 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2817 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2818 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2819 bother to wrap #undef in #ifdef.
2820 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2821 Don't include xm-linux.h.
2822 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2824 * configure.in: Wrap regexps using [] in changequote block.
2825 Use expr : not echo | grep. Simplify regexps.
2826 * configure: Regenerate.
2828 56 xm-files remain, 22 xm-arch.
2830 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2832 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2833 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2834 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2835 (copy_object): Fix format specifier vs argument mismatch.
2837 * mips-tdump.c: Make local functions static.
2838 (rindex): Don't #undef.
2839 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2840 (fatal, fancy_abort): Delete.
2841 (read_seek): Avoid signed/unsigned compare.
2843 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2845 * combine.c (try_combine): Fix error in change to try original
2847 (gen_rtx_combine): Do same as gen_rtx for now.
2849 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2851 * configure.in: AC_SUBST xm_defines.
2852 * configure: Regenerate.
2853 * Makefile.in: Set DEFINES=$(xm_defines) when building
2856 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2858 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2859 (cpp_included, find_include_file): Update.
2860 (_cpp_compare_file_date): Make else unconditional.
2862 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2864 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2866 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2868 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2869 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2871 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2873 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2874 if it's a record type.
2876 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2878 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2879 mingw includes slightly.
2881 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2883 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2884 #undef token before poisoning it.
2886 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2888 * alpha.c (check_float_value): Use memcpy, not bcopy.
2890 * m32r.c (m32r_sched_reorder): Likewise.
2892 * vax.c (check_float_value): Likewise.
2894 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2896 * toplev.c (file_name_nondirectory): Remove.
2897 * toplev.h: Similarly.
2898 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2899 of file_name_nondirectory.
2901 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2903 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2904 * mips-tfile.c: Don't #undef rindex; not used.
2906 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2908 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2909 (dbx64_register_map): Declare.
2910 (RETURN_ADDR_RTX): Fix for 64bit.
2911 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2912 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2913 * i386.c (dbx64_register_map): New global array.
2914 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2915 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2918 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2920 * cppfiles.c (search_from): Use lbasename.
2921 * mkdeps.c (deps_add_default_target): Use lbasename.
2923 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2925 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2926 xcalloc in lieu of malloc, realloc & calloc.
2928 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2930 * gengenrtl.c (xmalloc): Likewise.
2932 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2933 really_call_* memory allocation routines.
2935 * stmt.c (check_for_full_enumeration_handling): Use
2936 really_call_calloc, not calloc.
2938 * system.h (really_call_malloc, really_call_calloc,
2939 really_call_realloc): Define.
2940 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2942 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2944 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2946 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2948 * configure: Rebuilt.
2949 * configure.in: Only use `lang_requires' for languages athat are
2952 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2954 * invoke.texi: Fix typo.
2955 * gcc.1: Regenerate.
2957 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2959 * configure.in: Prune nonexistent files from build_xm_file,
2960 xm_file, and host_xm_file lists. Warn unless they're
2962 Don't generate *config.h here.
2963 AC_SUBST all variables needed to generate *config.h.
2964 * configure: Regenerate.
2965 * mkconfig.sh: New helper script, from code removed from
2967 * Makefile.in: Zap all MALLOC variables - no longer used
2968 anywhere, and malloc.c doesn't exist.
2969 Substitute in variables needed to generate *config.h.
2970 Stop lying about the dependencies contained in CONFIG_H and
2972 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2973 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2974 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2975 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2976 $(TM_P_H), etc. as appropriate.
2978 * config.gcc: Zap references to deleted files.
2979 * ggc-none.c: Don't include rtl.h or tm_p.h.
2981 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2982 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2983 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2984 config/i386/xm-linux.h, config/i386/xm-linux.h,
2985 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2986 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2987 Don't include i386/xm-i386.h.
2989 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2990 config/i386/xm-i386.h, config/i860/xm-i860.h,
2991 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2992 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2993 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2994 Delete (empty except comments, #includes of other deleted
2995 files, and macros used nowhere).
2997 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2999 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3000 independent on TARGET_FLAGS.
3002 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3004 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3006 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3008 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3010 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3011 LAST_REX_SSE_REG): define.
3012 (enum reg_class): Add 'LEGACY_REGS'
3013 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3014 (SSE_REGNO_P): Recognize extended registers.
3015 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3016 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3017 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3018 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3019 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3020 REG_OK_FOR_STRREG_P): Remove.
3021 (HI_REGISTER_NAMES): Add extended registers.
3022 (ADDITIONAL_REGISTER_NAMES): Likewise.
3023 (QI_REGISTER_NAMES): Add 8bit extended registers.
3024 (DEBUG_REG): Support extended registers.
3025 * i386.c (regclass_map): Add extended registers.
3026 (dbx_register-map): Likewise.
3027 (svr4_dbx_register_map): Likewise.
3028 (print_reg): Support extended registers.
3029 (print_operand): Support 64bit operands.
3031 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3033 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3034 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3035 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3036 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3037 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3038 STACK_BOUNDARY): Set properly for 64bits.
3039 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3040 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3041 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3042 (MOVE_MAX): Set to 16.
3043 (MOVE_MAX_PIECES): 8 for 64bit.
3044 (Pmode): Set to SImode.
3046 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3048 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3050 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3052 * i386.h (mask_64bit): New constant.
3053 (target_64bit): New macro.
3054 (target_options): Add '64'/'32'
3055 (target_default): Define.
3056 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3057 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3058 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3060 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3062 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3064 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3066 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3067 LO_SUM unless for_alias is set.
3069 2001-03-08 Stan Shebs <shebs@apple.com>
3071 * objc/objc-act.c: Fix old typos in comments, add comments for
3073 (hash_init): Fix file name in error message.
3074 (hash_enter): Ditto.
3075 (hash_add_attr): Ditto.
3076 (continue_class): Ditto.
3078 2001-03-08 Bruce Korb <bkorb@gnu.org>
3080 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3081 wait4() can receive the signal.
3083 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3085 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3087 * fixinc/fixincl.x: Regenerate.
3089 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3091 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3093 * fixinc/fixincl.x: Regenerate.
3095 2001-03-08 Richard Henderson <rth@redhat.com>
3097 * configure.in (HAVE_AS_LEB128): New assembler check.
3098 * configure, config.in: Rebuilt.
3100 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3102 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3105 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3107 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3108 references to the MAXPATHLEN macro.
3110 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3111 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3114 * config/i386/xm-gnu.h, config/xm-gnu.h,
3115 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3116 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3117 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3118 and/or unused files.
3120 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3121 doing so in various xm-*.h files.
3123 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3125 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3127 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3129 * configure.in (enable_shared): Support per-package shared-library
3131 * configure: Rebuilt.
3133 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3135 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3136 for crnot. Set operands[5] in splitter.
3138 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3140 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3141 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3142 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3143 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3144 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3145 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3146 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3149 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3150 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3151 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3152 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3153 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3154 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3155 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3156 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3157 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3158 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3159 Delete unused and/or empty files.
3161 * config.gcc: Define USG in xm_defines as appropriate. Define
3162 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3163 macro. Remove deleted xm-* files from $xm_files variable.
3165 2001-03-07 Tom Tromey <tromey@redhat.com>
3167 * configure: Rebuilt.
3168 * configure.in: Allow config-lang.in to set `lang_requires' to list
3169 of other required languages.
3171 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3173 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3175 (output_prologue): Use xmalloc not oballoc.
3176 (output_epilog): Free a29k_first_epilogue_insn when finished.
3177 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3179 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3181 * builtins.c (expand_builtin_mathfn): Check
3182 flag_unsafe_math_optimizations, not flag_fast_math.
3183 (expand_builtin): Likewise
3184 * combine.c (combine_simplify_rtx): Likewise.
3185 (simplify_if_then_else): Likewise.
3186 * cse.c (fold_rtx): Likewise.
3187 * flags.h: Remove flag_fast_math. Add
3188 flag_unsafe_math_optimizations and flag_trapping_math.
3189 * fold-const.c (negate_expr): Check
3190 flag_unsafe_math_optimizations, not flag_fast_math.
3191 (invert_truthvalue): Likewise.
3192 (fold): Likewise. Before associating operands, check that
3193 code == MULT_EXPR, not code != MULT_EXPR.
3194 * ifcvt.c (noce_try_minmax): Check
3195 flag_unsafe_math_optimizations, not flag_fast_math.
3196 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3197 * invoke.texi: Document -funsafe-math-optimizations and
3198 -fno-trapping-math. Change documentation for -ffast-math.
3199 * jump.c (reversed_comparison_code_parts): Likewise.
3200 (rtx_equal_for_thread_p): Likewise.
3201 * optabs.c (emit_conditional_move): Likewise.
3202 * simplify-rtx.c (simplify_binary_operation): Likewise.
3203 (simplify_relational_operation): Likewise.
3204 (simplify_ternary_operation): Likewise.
3205 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3206 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3207 Add trapping-math and unsafe-math-optimizations entries to f_options.
3208 (set_fast_math_flags): New, sets flags for -ffast-math.
3209 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3210 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3211 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3213 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3214 (alpha_emit_conditional_move): Initialize local_fast_math to
3215 flag_unsafe_math_optimizations, not flat_fast_math.
3216 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3217 instead of setting flag_fast_math to 1.
3218 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3220 * config/i386/i386.c (override_options): Likewise
3221 * config/i386/i386.md: Likewise.
3222 * config/m68k/m68k.md: Likewise.
3223 * config/mips/mips.md: Likewise.
3224 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3225 (rs6000_generate_compare): Likewise.
3227 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3229 * Makefile.in: Set RANLIB to @RANLIB@.
3232 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3234 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3235 * fixinc/fixincl.x: Regenerated.
3237 2001-03-07 Richard Henderson <rth@redhat.com>
3239 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3241 2001-03-07 Richard Henderson <rth@redhat.com>
3243 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3244 of block notes and exception handling notes.
3246 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3247 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3248 (compile_file): ... here.
3250 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3252 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3254 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3255 config.h now. Include libiberty.h to handle alloca.
3257 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3259 * c-parse.in (yylexname): New function, split out of _yylex.
3260 (objc_rid_sans_at): New table.
3261 (init_reswords): Initialize it.
3262 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3263 retrieving the next token and checking it for significance as
3264 an ObjC keyword or string constant.
3266 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3267 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3269 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3272 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3274 * config/m68k/m68k.c (const_uint32_operand): Accept any
3275 const_int on a 32-bit host.
3277 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3279 * objc/objc-act.c (init_objc): Set save_lang_status,
3280 restore_lang_status, and mark_lang_status.
3282 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3284 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3286 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3288 * cppinternals.texi: Update.
3290 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3292 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3293 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3294 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3295 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3296 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3297 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3298 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3299 config/i386/xm-i386.h, config/i860/xm-i860.h,
3300 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3301 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3302 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3303 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3304 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3305 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3306 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3307 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3308 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3309 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3310 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3311 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3312 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3313 match the defaults provided in hwint.h.
3315 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3316 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3318 * config.gcc (xm_file): Don't set to files which are deleted.
3320 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3321 guard this file against these macros being undefined.
3323 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3325 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3326 and DECL_DEFER_OUTPUT on the decl we create, before calling
3327 rest_of_decl_compilation.
3329 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3331 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3333 * configure, config.in: Regenerate.
3334 * config.gcc: Remove references to deleted files.
3336 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3337 genrecog.c, rtl.c: Do not use alloca anywhere.
3339 * Makefile.in, build-make, system.h, config/x-interix,
3340 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3341 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3342 config/arc/xm-arc.h, config/arm/xm-arm.h,
3343 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3344 config/h8300/xm-h8300.h, config/i370/x-oe,
3345 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3346 config/i386/x-ncr3000, config/i386/x-sco5,
3347 config/i386/xm-dgux.h, config/i860/x-sysv4,
3348 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3349 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3350 config/m68k/x-hp320g, config/m69k/x-mot3300,
3351 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3352 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3353 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3354 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3355 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3356 config/mips/x-iris, config/mips/x-iris3,
3357 config/mips/x-sni-svr4, config/mips/x-sysv,
3358 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3359 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3360 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3361 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3362 config/pa/xm-papro.h, config/romp/xm-romp.h,
3363 config/rs6000/x-aix31, config/rs6000/x-aix41,
3364 config/rs6000/x-beos, config/rs6000/x-lynx,
3365 config/rs6000/x-mach, config/rs6000/x-rs6000,
3366 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3367 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3368 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3369 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3370 config/vax/xm-vms.h: Eradicate all references to alloca and
3373 * config/xm-alloca.h, config/clipper/x-clix,
3374 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3375 config/i860/x-sysv3, config/m88k/x-sysv3,
3376 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3377 (contained only alloca related hacks).
3379 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3382 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3384 * invoke.texi: Document __FAST_MATH__.
3386 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3388 * crtstuff.c: Restore include of auto-host.h.
3390 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3392 Put main() in a separate file, so that the language
3393 front-end can use a different main().
3396 * toplev.c: (main): Rename as toplev_main.
3397 * toplev.h: Declare toplev_main.
3398 * Makefile.in (OBJS): add toplev.o.
3399 (BACKEND): remove toplev.o, add main.o.
3401 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3403 * cppfiles.c (search_from): Special case the empty string.
3405 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3407 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3408 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3409 strlen or strcpy; we already know the length.
3410 (_cpp_compare_file_date): Similarly.
3411 * cpphash.h (struct cpp_reader): Delete done_initialising.
3412 (CPP_PREV_BUFFER): Delete.
3413 * cppinit.c (cpp_start_read): Don't set done_initialising.
3414 * cpplex.c (parse_string): Guarantee null-termination.
3415 (_cpp_equiv_toklists): Remove.
3416 * cpplib.c (glue_header_name): Null-terminate.
3417 (do_line): Don't leak memory.
3418 * cpplib.h (BT_WEAK): Delete.
3419 * cppmain.c (cb_ident): Strings are now null-terminated.
3421 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3423 * gcc.c (convert_filename): Append executable suffix
3424 if NO_AUTO_EXE_SUFFIX is not defined.
3425 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3426 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3428 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3430 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3431 * c-parse.gperf, c-gperf.h: Delete.
3432 (c-gperf.h was accidently re-added to the CVS repo in the rev
3433 1.16 commit by tromey)
3435 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3437 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3438 macro arguments when looking for the '('.
3439 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3440 2 when really parsing arguments; 1 when looking for '('.
3441 Always restore the lexer position.
3443 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3445 * longlong.h (umul_ppmm): Don't use a multiline string.
3447 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3449 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3450 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3451 t_bool in declaration because pcc can't combine volatile with typedef
3454 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3456 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3457 until when it is really needed.
3458 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3459 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3460 * i386.md (float?i?f splitter): Don't force source operand to memory
3462 (sse_movdfcc): Fix constraint.
3463 (sse_movdfcc splitter): Handle properly the second alternative.
3465 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3467 * cpplex.c (parse_string): Unconditionally pedwarn.
3469 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3472 * cppexp.c (parse_number): Update.
3473 * cpplex.c (parse_string): Pedwarn if multiline string does not
3474 result from a system header's macro.
3475 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3476 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3477 for function-like macros too.
3478 * c-lex.c (lex_number): Update.
3480 2001-03-03 Richard Henderson <rth@redhat.com>
3482 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3484 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3486 * combine.c (try_combine): If split with mode-changed scratch
3487 register didn't work, try the original mode.
3489 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3491 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3492 * config/c4x/c4x.h: Likewise.
3493 * stor-layout.c (compute_record_mode): Likewise.
3494 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3496 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3498 * configure.in: Kill tm.h. Include the files in the $tm_file
3499 list in all three of config.h, hconfig.h, tconfig.h, after the
3500 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3501 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3502 * configure: Regenerate.
3503 * Makefile.in (clean): Don't delete tm.h.
3505 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3506 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3507 those are not defined, set SEC and FEC to 0 and 1.
3508 * gcc.texi: Update to match.
3510 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3511 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3512 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3513 Include tconfig.h, not tm.h.
3515 * config/xm-lynx.h, config/xm-std32.h,
3516 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3517 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3518 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3519 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3520 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3521 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3522 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3523 config/i386/xm-i386.h, config/i860/xm-i860.h,
3524 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3525 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3526 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3527 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3528 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3529 config/pa/xm-linux.h, config/pa/xm-pa.h,
3530 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3531 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3532 config/pj/xm-pj.h, config/romp/xm-romp.h,
3533 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3534 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3535 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3536 config/v850/xm-v850.h, config/vax/xm-vax.h,
3537 config/we32k/xm-we32k.h:
3539 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3541 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3542 config/i370/xm-oe.h: Don't include tm.h. Don't define
3544 * config/vax/xm-vms.h: Don't include tm.h.
3546 * config/xm-lynx.h, config/avr/xm-avr.h,
3547 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3548 Delete; made empty by above changes.
3549 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3550 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3551 Don't include config/xm-lynx.h or tm.h.
3553 * config/xm-gnu.h: Don't include fcntl.h.
3554 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3556 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3558 2001-03-02 Richard Henderson <rth@redhat.com>
3560 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3561 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3563 2001-03-02 Richard Henderson <rth@redhat.com>
3565 * Makefile.in (OBJS): Add dwarf2asm.o.
3566 * dwarf2asm.c, dwarf2asm.h: New files.
3567 * dwarf2out.c (*): Use them.
3568 (size_of_uleb128, size_of_sleb128): Remove.
3569 (output_uleb128, output_sleb128): Remove.
3570 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3571 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3572 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3573 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3574 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3575 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3576 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3577 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3578 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3579 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3580 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3581 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3582 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3583 (dwarf2out_frame_debug): Remove unused variables.
3584 (output_loc_operands): Don't abort on 8 byte constants if
3585 host integers are wide enough.
3586 (output_symbolic_ref): Remove.
3587 (size_of_die): Don't assume 4 byte host integers.
3588 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3590 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3591 something stupid with HOST_WIDE_INT to long truncation.
3592 [CONST_DOUBLE]: Likewise.
3594 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3595 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3596 * config/arm/unknown-elf.h: Likewise.
3597 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3598 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3599 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3600 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3601 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3602 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3603 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3604 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3605 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3606 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3607 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3608 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3610 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3612 * cselib.c (hash_rtx): Cast enums to unsigned int.
3614 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3616 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3617 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3619 * c-format.c (C_STD_VER): Cast to int for comparisons.
3620 (check_function_format): Cast various enums to int for &.
3621 (maybe_read_dollar_number): Likewise.
3622 (check_format_info): Likewise.
3623 (check_format_info_main): Likewise.
3624 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3625 (safe_from_p): Likewise.
3626 * varasm.c (const_hash): Cast enum to int for %.
3627 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3628 pcc enum problems with < and ++ operators.
3629 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3630 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3631 (regclass_init): Change enum class to int to iterate over reg_classes.
3632 * genrecog.c (merge_trees): Cast enums for comparison.
3633 * rtl.h (GET_CODE): Cast to enum rtx_code.
3634 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3635 (GET_MODE): Cast to enum machine_mode.
3636 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3637 (GET_NOTE_INSN_NAME): Cast enum to int.
3638 * tree.h (TREE_CODE): Cast to enum tree_code.
3639 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3640 * timevar.c (timevar_print): Change loop variable id from enum to
3642 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3643 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3644 * toplev.c (compile_file): Cast enum DFI to int.
3645 (decode_d_option): Likewise.
3647 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3649 * cppinit.c (append_include_chain): Mark "after" include file name list
3650 as a system directory.
3651 * cpp.texi: Document new behavior.
3653 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3655 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3657 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3659 * cppfiles.c (struct include_file): Update.
3660 (stack_include_file): Use search_from.
3661 (cpp_included, find_include_file): Update.
3662 (cpp_execute_include): Update. ptr->name may not be
3663 null terminated. Use the new search_from member variable
3665 (_cpp_compare_file_date): Similarly.
3666 (search_from): New function, similiar to actual_directory.
3667 (actual_directory): Delete.
3668 (remap_filename): Update. loc->name may not be null terminated.
3669 (struct file_name_list): Rename search_path. Update.
3670 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3671 search_from and dir.
3672 (struct cpp_reader): Remove actual_dirs.
3673 * cppinit.c (struct cpp_pending): Update for renamed objects.
3674 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3675 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3676 * cpplib.h (struct cpp_options): Similarly.
3678 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3680 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3681 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3682 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3683 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3684 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3685 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3686 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3687 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3688 config/i370/xm-oe.h, config/i386/xm-aix.h,
3689 config/i386/xm-i386.h, config/i386/xm-osf.h,
3690 config/i860/xm-i860.h, config/i960/xm-i960.h,
3691 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3692 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3693 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3694 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3695 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3696 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3697 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3698 config/pj/xm-pj.h, config/romp/xm-romp.h,
3699 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3700 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3701 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3702 config/v850/xm-v850.h, config/vax/xm-vax.h,
3703 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3704 Do not define TRUE or FALSE.
3706 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3707 empty by above change.
3708 * config.gcc: Remove references to these files.
3710 * configure.in: Detect stdbool.h.
3711 * configure, config.in: Regenerate.
3712 * system.h: Include stddef.h here if available.
3713 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3714 Then set up a sensible boolean type at the very end.
3716 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3717 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3719 * hash.h: Delete 'boolean' typedef and related #undefs.
3721 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3722 all uses of 'boolean' with 'bool'.
3724 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3726 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3727 * cppexp.c (lex): Cast enums for comparison.
3728 * cppinit.c (parse_option): Cast enum for comparison.
3729 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3730 (cpp_output_token): Likewise.
3731 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3732 (cpp_avoid_paste): Cast enums for minus and comparison.
3734 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3736 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3737 field to all array elements.
3739 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3741 * cpphash.h (struct cpp_reader): Add print_version field.
3742 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3743 just set print_version and other flags as appropriate.
3744 (cpp_post_options): Print version here if print_version is set.
3746 * toplev.c (exit_after_options): New flag.
3747 (independent_decode_option): Don't exit here; just set
3749 (main): Exit after calling lang_hooks.post_options if
3750 exit_after_options is true.
3752 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3753 (merge_include_chains): Adjust comment to match code.
3755 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3757 * stringpool.c (set_identifier): New function.
3758 * tree.h: Prototype it.
3760 * c-parse.in: Kill D_YES. If compiled for objc, call
3761 save_and_forget_protocol_qualifiers from init_reswords.
3762 * objc/objc-act.c (remember_protocol_qualifiers,
3763 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3764 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3766 (save_and_forget_protocol_qualifiers): New function.
3767 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3769 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3771 * c-semantics.c (prune_unused_decls): Return error_mark_node
3772 instead of (tree) 1 to stop traversing the tree chain.
3774 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3776 Fix a problem introduced by Kenner's Feb 18 change.
3777 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3778 flag_cse_skip_blocks only temporarily, not for ever.
3780 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3782 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3783 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3785 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3786 before determining its register class.
3788 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3790 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3791 from reg 4 if current_function_calls_setjmp.
3792 (gen_nop_type): New function.
3793 (ia64_emit_nops): New function.
3794 (ia64_reorg): Call it.
3795 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3797 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3798 code not to try to optimize adds with anything but a REG destination.
3800 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3801 (INSN_PRIORITY_KNOWN): New accessor macro.
3802 * haifa-sched.c (priority): Use it instead of testing priority against
3805 2001-02-28 DJ Delorie <dj@redhat.com>
3807 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3808 since that doesn't work the way gcc wants on a generic m68k.
3810 2001-02-28 Richard Henderson <rth@redhat.com>
3812 * caller-save.c (save_call_clobbered_regs): Fix typo in
3813 comparison last change.
3815 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3817 * i386.c (pentium4_cost): New.
3818 (m_PENT4): New macro.
3819 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3820 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3821 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3822 x86_memory_mismatch_stall): Add Pentium4
3823 (x86_use_q_reg, x86_use_any_reg): Kill.
3824 (override_options): Add pentium4.
3825 (incdec_operand): Return 0 for pentium4.
3826 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3827 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3828 (TARGET_PENTIUM4): Define.
3829 (enum processor_type): Add PROCESSOR_PENTIUM4.
3830 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3831 * i386.md (attribute "cpu"): Add pentium4.
3832 * invoke.texi (march): Add pentium4.
3834 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3836 * i386.md (sse_mov?fcc*): New patterns and splitters.
3837 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3838 the SSE based conditional moves.
3840 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3842 * i386.md (attribute mode): Add "TI".
3843 (movsf_1): Add pxor support; remove constant propagation splitter.
3844 (movdf_integer): Likewise.
3845 (movdf_nointeger): Likewise.
3846 (movxf constant prop splitter): Handle all modes; update for SSE.
3847 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3848 * i386.c (standard_80387_constant_p): Rewrite.
3849 (standard_sse_constant_p): New.
3850 * i386-protos.h (standard_sse_constant_p): New.
3852 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3854 * i386.md (sse_setccsf, sse_setccdf): New.
3855 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3857 * i386.c (sse_comparison_operator): Accept the supported unordered
3858 comparses; be ready for fast_math.
3859 (print_operand): Support 'D'.
3861 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3863 * jump.c (reversed_comparison_code): Kill.
3865 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3867 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3870 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3872 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3873 add missing '%' in constraints.
3875 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3877 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3878 for HOST_BITS_PER_WIDE_INT == 32 too.
3880 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3882 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3884 (insert_save, insert_restore): New parameter save_mode.
3885 (init_caller_save): Update initialization of reg_save_code
3886 and reg_restore_code.
3887 (save_call_clobbered_regs): Compute save_modes and update calls to
3888 reg_save_code and reg_restore_code.
3889 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3890 of spill; update use of reg_restore_code.
3891 (insert_save): Likewise.
3892 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3893 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3894 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3896 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3898 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3899 noce_try_store_flag_inc, noce_try_store_flag_mask,
3900 noce_try_cmove_arith):
3901 Use reversed_comparison_code instead of reverse_comparison and
3902 can_reverse_comparison_p.
3904 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3906 * jump.c (reversed_comparison_code_parts): Allow reversal of
3907 unordered compares in -ffast-math mode; reverse ordered compares
3908 for FP even w/o -ffast-math.
3910 2001-02-27 Richard Henderson <rth@redhat.com>
3912 * print-rtl.c (print_rtx) [i]: Don't print field five on
3913 NOTEs other than NOTE_INSN_DELETED_LABEL.
3915 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3917 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3918 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3920 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3922 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3923 even if walk_subtrees is 0.
3924 * c-semantics.c (prune_unused_decls): Return a non-null value to
3925 stop traversing the tree chain.
3927 2001-02-27 DJ Delorie <dj@redhat.com>
3929 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3930 register, *then* define it as the new CFA.
3932 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3934 * pa.c (override_options): Promote -fpic to -fPIC.
3935 (legitimize_pic_address): Simplify due to removal of
3936 small PIC as a code generation option.
3937 (secondary_reload_class): Similarly.
3938 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3939 (PRINT_OPERAND_ADDRESS): Similarly.
3940 * pa.md (various patterns): Similarly.
3941 (small pic lo_sum pattern): Remove.
3943 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3946 * md.texi (min, max): Document
3948 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3950 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3951 TARGET_PARTIAL_REG_DEPENDENCY.
3952 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3954 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3956 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3958 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3960 * mips.c (mips_make_temp_file): Fix thinko in last change.
3962 2001-02-26 Jason Eckhardt <jle@redhat.com>
3964 * combine.c (known_cond): Do not reverse the condition when
3965 SMAX/UMAX is being considered and the condition is for equality
3968 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3970 2001-02-26 Philip Blundell <philb@gnu.org>
3972 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3974 * config/arm/linux-elf.h: Remove historical relics related to
3975 above configurations.
3976 * config/arm/linux-oldld.h: Delete.
3977 * config/arm/linux-elf26.h: Delete.
3979 2001-02-26 Jason Merrill <jason@redhat.com>
3981 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3983 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3984 recognize a tentative definition. Lose obsolete code.
3986 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3987 variables unless necessary, either.
3989 2001-02-25 Richard Henderson <rth@redhat.com>
3991 * ifcvt.c (struct noce_if_info): Add test_bb.
3992 (noce_get_alt_condition): New.
3993 (noce_try_minmax, noce_try_abs): New.
3994 (noce_operand_ok): New.
3995 (noce_process_if_block): Use them.
3996 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3998 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4000 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4003 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4005 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4006 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4008 (mips_asm_file_end): Free temp_filename here.
4010 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4012 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4013 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4015 * config/i386/i386.md (movstrsi): Handle FAIL case.
4017 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4019 * cppinit.c (builtin_array): Update.
4020 (init_builtins): Flag builtins to warn if redefined or
4021 undefined. Define __GXX_WEAK as a normal macro.
4022 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4023 * cpplib.h (NODE_WARN): New flag.
4024 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4025 Handle __STDC__ as a builtin only on Solaris.
4026 (warn_of_redefinition): Renamed from check_macro_definition.
4027 Reverse sense of test. Always warn if NODE_WARN.
4028 (_cpp_create_definition): Use warn_of_redefinition. Flag
4029 any macro beginning with "__STDC_" to require a mandatory
4030 warning if redefined or undefined.
4032 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4034 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4035 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4036 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4037 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4038 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4039 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4040 Don't define any of:
4041 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4042 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4043 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4044 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4045 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4047 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4048 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4051 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4052 Delete now-empty file.
4054 * alpha/vms.h: Define NEED_ATEXIT here...
4055 * alpha/xm-vms.h: ...not here.
4057 * i386/cygwin.h: Don't define PARAMS.
4058 * mips/mips.c: Don't prototype mktemp. Don't define
4059 P_tmpdir. Use make_temp_file to create temporary files.
4060 Don't be clever and delete temporary files early.
4061 * config.gcc: Drop references to deleted files. Don't define
4063 * gcc.texi: Don't mention USE_PROTOTYPES.
4065 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4067 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4068 (ix86_set_move_mem_attrs_1): Likewise.
4069 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4070 * config/i386/i386.md (movstrsi): Call it.
4072 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4074 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4075 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4076 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4077 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4079 (i750a-*-*): Error here if hosting on i750a.
4080 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4082 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4083 Remove (empty modulo comments).
4085 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4086 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4087 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4088 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4089 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4090 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4092 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4093 Remove reference to winnt.h in comment.
4094 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4096 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4098 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4099 used to set another biv.
4101 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4103 * tree.h (BLOCK_DEAD): New macro.
4104 (struct tree_block): New flag, dead_flag.
4105 * print-tree.c (print_node, case 'b'): Print missing fields.
4106 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4107 * function.c (identify_blocks): Enable test for misplaced notes.
4108 (all_blocks): Skip BLOCK_DEAD blocks.
4109 * integrate.c (integrate_decl_tree): Likewise.
4111 * errors.c (internal_error, trim_filename): New functions.
4112 (fancy_abort): Call internal_error.
4113 * errors.h (internal_error, trim_filename): New declarations.
4115 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4117 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4119 (EXTRA_CONSTRAINT): Formatting changes.
4121 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4123 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4125 2001-02-23 Per Bothner <per@bothner.com>
4127 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4128 so they can be called from java/jvspec.c.
4129 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4131 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4133 * i386.c (ix86_frame): New structure.
4134 (ix86_compute_frame_size): Kill.
4135 (ix86_compute_frame_layout): New.
4136 (ix86_save_reg): New.
4137 (ix86_can_use_return_insn_p): Use frame layout stuff.
4138 (ix86_expand_prologue): Likewise.
4139 (ix86_expand_epilogue): Likewise.
4140 (ix86_initial_elimination_offset): Likewise.
4141 (ix86_nsaved_regs): Use ix86_save_reg.
4142 (ix86_emit_save_regs): Likewise.
4144 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4146 * flow.c (find_sub_basic_blocks): New function.
4147 (split_block): Be ready for basic block introduced by CODE_LABEL.
4148 (commit_one_edge_insertion): Call find_sub_basic_block.
4150 * flow.c (make_edges): Add edge from entry for blocks starting with
4151 label having ALTERNATE_NAME
4153 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4155 * function.c (epilogue_done): Be ready for first basic block not
4156 containing PROLOGUE_END note.
4157 (reposition_prologue_and_epilogue_notes): Avoid placing
4158 PROLOGUE_END note between BASIC_BLOCK.
4160 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4162 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4164 2001-02-21 DJ Delorie <dj@redhat.com>
4166 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4167 check for current_function_has_nonlocal_goto from 1999-11-12.
4169 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4171 * diagnostic.c (trim_filename): No longer static.
4172 * toplev.h (trim_filename): Declare.
4173 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4174 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4175 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4176 (rtvec_check_failed_bounds): Likewise.
4177 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4179 * convert.c (convert_to_integer): Don't do unsigned unless result or
4180 both inputs are unsigned.
4182 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4185 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4187 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4189 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4191 * Makefile.in (resource.o): Add params.h dependence.
4192 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4193 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4194 * resource.c: Add dependence on params.h.
4195 (current_live_regs): Fix explanatory comment.
4196 (find_basic_block): Add new parameter to permit limiting search
4198 (mark_target_live_regs): Add new argument to find_basic_block call.
4199 (incr_ticks_for_insn): Likewise.
4201 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4203 * diagnostic.c (output_to_stream): Rename to
4204 output_buffer_to_stream. Loses the stream parameter.
4205 (init_output_buffer): Set diagnosic_buffer's stream.
4206 (flush_diagnostic_buffer): Adjust.
4207 (default_print_error_function): Likewise.
4208 (finish_diagnostic): Likewise.
4209 (verbatim): Likewise.
4211 * diagnostic.h (struct output_buffer): Add `stream' field.
4212 (output_buffer_attached_stream): New macro.
4214 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4216 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4217 check if either operand is divisible by C.
4218 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4219 If type is signed, consider negative numbers as well.
4221 2001-02-22 Richard Henderson <rth@redhat.com>
4223 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4224 reach .text instead of gp-relative relocs.
4225 * config/ia64/crtend.asm (.init): Likewise.
4227 2001-02-22 Andreas Jaeger <aj@suse.de>
4229 * extend.texi (C++ Attributes): Fix typo.
4231 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4233 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4234 functions, drop current_function_args_info.words test.
4235 (ia64_compute_frame_size): Mark syscall_linkage functions as
4236 using eight input registers.
4238 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4239 Bruce Korb <bkorb@gnu.org>
4241 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4242 * fixinc/README: Document how to convert sed substitutions
4243 to format style c_fix-es.
4244 * fixinc/fixincl.x: regen
4246 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4248 * gcc.c: Add comment explaining how to add a command-line option.
4249 Add title to specs language comment.
4251 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4253 * gcc.c (cc1_options): Add "-param".
4254 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4255 (option_map): Likewise.
4256 * toplev.c (display_help): Add entry for "--param".
4257 (independent_decode_option): Fix typographical error.
4259 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4260 Bernd Schmidt <bernds@redhat.com>
4261 Jan Hubicka <jh@suse.cz>
4263 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4264 (function_arg): Likewise.
4266 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4268 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4270 2001-02-21 Kazu Hirata <kazu@hxi.com>
4272 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4276 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4278 * flow.c (init_propagate_block_info): Canon address and use single_set
4279 for killing dead memory stores.
4281 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4283 * Makefile.in (reorg.o): Add params.h dependence.
4284 * params.def: Fix typographical error in comment.
4285 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4286 * params.h: Modify introductory comment.
4287 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4288 * reorg.c: Add dependence on params.h.
4289 (redundant_insn): Add parameterized throttle for search.
4290 (fill_simple_delay_slots): Add a comment explaining a variable.
4291 Move conditional out of loop, simplifying code.
4292 (fill_eager_delay_slots): Fix typographical error in comment.
4294 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4296 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4298 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4299 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4301 2001-02-21 Jason Merrill <jason@redhat.com>
4303 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4304 (struct tree_decl): Add uninlinable bitfield.
4305 * c-decl.c (duplicate_decls): Set it.
4306 * integrate.c (function_cannot_inline_p): Check it.
4308 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4309 DW_AT_MIPS_linkage_name to abstract methods.
4310 (dwarf2out_abstract_function): Emit class context before calling
4311 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4312 (gen_subprogram_die): Remove obsolete code.
4313 (gen_member_die): Don't include clones in the member list.
4314 (gen_decl_die): Emit abstract info for clone origin.
4315 * dwarfout.c (output_type): Don't include clones in the member list.
4316 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4317 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4318 DECL_ABSTRACT on a function that already has it set.
4320 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4321 (get_subprogram_die): Pass it in.
4323 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4325 * flow.c (mark_set_1): Make not_dead unsigned long. For
4326 non-pseudos, use it as a bitmask of the hard regs that
4329 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4331 * cppfiles.c: Update comments.
4332 (_cpp_read_file): Don't check for NULL filenames any more.
4333 * cppinit.c (cpp_start_read): Don't do canonicalization of
4334 in_fname and out_fname. Use the passed file name exclusively.
4335 (_cpp_handle_options): Don't treat "-" as a command line option,
4336 but as a normal filename.
4337 (_cpp_post_options): Canonicalize in_fname and out_fname.
4338 * cppmain.c (printer_init): Don't check out_fname for NULL.
4339 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4340 (init_c_lex): Update, and use "" to represent stdin to CPP.
4343 2001-02-20 Will Cohen <wcohen@redhat.com>
4345 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4346 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4347 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4350 2001-02-20 Stan Shebs <shebs@apple.com>
4352 * config/rs6000/rs6000.c (output_cbranch): Output branches
4353 on separate lines instead of using ';' to separate.
4355 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4357 * cppinit.c (set_lang): Move builtin handling to...
4358 (init_builtins): ...here.
4359 (_cpp_create_reader): Move call to set_lang.
4361 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4363 * stmt.c (expand_return): If an attempt is made to return the
4364 error_mar_node, treat the return like a return without a value.
4366 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4368 * sibcall.c (skip_copy_to_return_value): Call
4369 identify_call_return_value here, and return orig_insn if it
4370 returns zero. Hardret and softret arguments now unnecessary.
4371 (call_ends_block_p): Don't call identify_call_return_value here.
4373 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4375 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4376 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4378 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4380 * pa.c (move_operand): Accept code to load the address of a
4381 symbol out of the DLT as a valid move operand.
4382 (print_operand, case 'A'): New to handle generating a DLT
4383 reference for a LO_SUM expression.
4384 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4385 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4387 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4389 * README, cpp.texi, gcc.texi, version.c: Update version number to
4391 * cpp.1, gcov.1, gcc.1: Regenerate.
4393 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4395 * cppfiles.c (stack_include_file): Generate dependencies
4396 here, and manage include_count here too.
4397 (PRINT_THIS_DEP): Delete.
4398 (_cpp_execute_include): Do not generate dependencies here,
4399 apart from the case of a missing header. Do not manage
4401 (_cpp_read_file): Leave dependency generation to
4404 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4406 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4407 target_cpu_default. Remove dead assignment to
4410 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4412 * regclass.c (contains_reg_of_mode): Make global.
4413 (init_reg_sets): Remove contains_reg_of_mode; take into account
4414 CLASS_MAX_NREGS when looking for the proper mode.
4415 (dump_regclass): Dump only classes considered for the pseudo.
4416 (regclass): Use contains_reg_of_mode.
4418 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4420 * gcc.c (do_spec_1): 'n' for printing notices.
4421 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4423 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4425 * reg-stack.c (next_flags_user): Use current_block->end
4426 (swap_rtx_condition): Look for next user if flags don't die;
4427 give up on CALL_INSNs; use current_block->end.
4429 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4431 * sibcall.c (call_ends_block_p): New function.
4432 (optimize_sibling_and_tail_recursive_call): Use it.
4434 2001-02-18 Kazu Hirata <kazu@hxi.com>
4436 * config/h8300/h8300.md: Update copyright.
4437 (andsi3): Do not output an extra newline character.
4439 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4441 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4442 FNDECL may be unused.
4444 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4445 follow jumps after first run.
4446 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4447 it doesn't change any jumps.
4449 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4451 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4452 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4453 (mostlyclean): Corresponding changes.
4454 * rtlanal.c (hard-reg-set.h): Include.
4455 (rtx_unstable_p): Do not treat the argument pointer specially
4456 if it is not a fixed register.
4457 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4459 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4461 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4462 against last real insn in basic block.
4463 Rework to avoid gotos.
4465 * Makefile.in (gcse.o): Now includes ggc.h.
4466 * gcse.c: Include ggc.h.
4467 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4468 (try_replace_reg): Remove warning of uninitialize variable.
4469 (process_insert_insn): Call invalid_insn_p to validate insn.
4470 * recog.c (insn_invalid_p): Now global.
4471 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4472 * recog.h (insn_invalid_p): New declaration.
4474 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4476 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4477 assignments from FP constants since 'Y' output code can't handle it.
4478 (eligible_for_sibcall_delay): Likewise.
4480 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4481 Call fancy_abort directly, passing args.
4482 (print_rtl_and_abort): Now a macro, like fancy_abort.
4484 * final.c (output_operand_lossage): Use internal_error, not error.
4486 2001-02-18 Shane Nay <shane@agendacomputing.com>
4488 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4489 structure shift insns.
4491 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4493 * invoke.texi (-fsquangle): Remove documentation.
4494 (-fname-mangling-version): Likewise.
4496 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4498 * optabs.c (expand_abs): Remove reference to
4499 HAVE_contitional_arithmetic.
4500 * combine.c (simplify_set): Likewise.
4502 2001-02-18 Richard Henderson <rth@redhat.com>
4504 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4507 2001-02-18 Richard Henderson <rth@redhat.com>
4509 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4511 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4513 * reload1.c (reload_cse_simplify_set): Fix typo.
4515 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4517 * diagnostic.c (_fatal_insn): Decrement errorcount.
4519 * invoke.texi (-I): Add note avoiding use for system header files.
4521 * rtl.h (add_clobbers): Remove duplicate declaration.
4522 * recog.h (added_clobbers_hard_reg_p): New declaration.
4523 * genemit.c (struct clobber_pat): New field has_hard_reg.
4524 (gen_insn): Record if added clobbers clobber hard reg.
4525 (gen_split): Avoid unused warning if number of operands is 0.
4526 (output_added_clobbers_hard_reg_p): New function.
4529 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4531 * pa.c (hppa_expand_prologue): Simplify code storing return
4532 pointer. For large (>=8k) frames with a post_store, adjust stack
4533 pointer by 8k-64 first rather than by 64. When testing with
4534 VAL_14_BITS_P, always use the actual value rather than the value
4535 negated. Add blockage to prevent scheduling of spills before
4536 stack frame has been created.
4537 (hppa_expand_epilogue): Simplify code loading return pointer.
4538 Allow a slightly larger range for merge_sp_adjust_with_load case.
4539 When testing with VAL_14_BITS_P, always use the actual value.
4541 * pa.c (pa_adjust_insn_length): Check that block move
4542 pattern is a set before looking at operands.
4544 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4546 * fold-const.c (fold_binary_op_with_conditional_arg): New
4547 function, split out from ...
4549 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4550 conditional arms that throw exceptions.
4552 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4555 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4557 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4558 define HAVE_DECL_* to 1 to mask potential backup declarations.
4559 * configure: Regenerated.
4561 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4563 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4565 2001-02-17 Richard Henderson <rth@redhat.com>
4567 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4568 when replacing a memory load with a register.
4570 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4571 Jan Hubicka <jh@suse.cz>
4573 * recog.c (validate_replace_src_1): New.
4574 (validate_replace_src_data): Likewise.
4575 (validate_replace_src): Use note_uses.
4576 * rtl.h (note_uses): Declare.
4577 * rtlanal.c (note_uses): New.
4579 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4581 * reg-stack.c (stack_def): Make field reg unsigned.
4582 (remove_regno_note): Unsignetize parameter.
4584 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4586 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4587 shladd_operand() call.
4589 2001-02-16 Bruce Korb <bkorb@gnu.org>
4590 Rodney Brown <RodneyBrown@mynd.com>
4592 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4593 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4594 machine restrictions
4595 * fixinc/fixincl.x: regen
4597 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4599 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4601 (hash_scan_insn): Clean up calls to hash_scan_set.
4602 (compute_kill_rd): REGNO now unsigned.
4603 (try_replace_reg): Rework to use simplify_replace_rtx.
4604 (cprop_jump, cprop_cc0_jump): Likewise.
4605 (cprop_insn): Call find_reg_equal_equiv_note.
4606 Reflect changes to cprop_jump and cprop_cc0_jump.
4608 * recog.c (validate_replace_src): Replace in operands of
4609 ZERO_EXTRACT in SET_DEST.
4611 * cse.c (new_label_ref): New variable.
4612 (insert): Set it instead of recorded_label_ref.
4613 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4614 CODE_LABEL for this function, and not already in REG_LABEL note.
4616 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4618 * resource.c (mark_referenced_resources): Fix typo in introductory
4620 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4623 2001-02-16 Jason Merrill <jason@redhat.com>
4625 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4627 (gen_subprogram_die): Don't abort on seeing a second definition if
4628 the previous one was abstract. Don't replace an abstract instance
4629 in the lookup table.
4631 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4632 gen_abstract_function.
4633 * dwarf2out.h: Declare it.
4634 * toplev.c (note_outlining_of_inline_function): New fn.
4635 * toplev.h: Declare it.
4636 * integrate.c (output_inline_function): Call it.
4637 * c-decl.c (duplicate_decls): Call it when redefining an extern
4638 inline. Don't inline the new defn.
4640 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4642 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4644 * .gdbinit: Rename to gdbinit.in.
4645 * gdbinit.in: New file,
4646 * configure.in: Generate .gdbinit from gdbinit.in.
4647 * configure: Regenerated.
4648 * Makefile.in (distclean): Always remove .gdbinit.
4650 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4652 * objc/objc-act.c (start_class): Register implemented_classes with
4655 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4657 * cppfiles.c (_cpp_make_system_header): Generate a file
4660 2001-02-15 Jim Meyering <meyering@lucent.com>
4662 * Makefile.in (install-common): Don't depend on installdirs here.
4663 Instead, make each of the lang.install-common targets (e.g.,
4664 c++.install-common in cp/Make-lang.in) depend on it.
4665 (install-driver): Depend on installdirs.
4667 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4669 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4671 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4674 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4676 * invoke.texi (--param): Document.
4678 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4680 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4682 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4684 * i386.md (extendsfdf2_2): Fix constraints.
4686 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4688 * i386.md (fop_df_3 splitter): Fix operand number.
4690 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4692 * invoke.texi (-mreg-alloc): Nuke.
4693 * i386.c (ix86_reg_alloc_order, regs_allocated,
4694 order_regs_for_local_alloc): Nuke.
4695 (override_options): Kill reg_alloc code.
4696 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4697 (REG_ALLOC_ORDER): SSE goes before I387.
4698 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4699 (ix86_reg_alloc_order): Likewise.
4700 * i386-protos.h (ix86_reg_alloc_order): Kill.
4702 2001-02-14 Richard Henderson <rth@redhat.com>
4704 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4706 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4708 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4710 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4712 * i386-protos.h (ix86_memory_move_cost): Move offline.
4713 * i386.c (ix86_register_move_cost): Compute properly cost of
4714 SSE, MMX and i387 instructions.
4715 (*_cost): Add costs of SSE/MMX moves.
4716 (ix86_memory_move_cost): Move offline from ....; Likewise.
4717 * i386.h (MEMORY_MOVE_COST): .... here;
4718 (struct processor costs): Add new fields to represent costs
4721 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4723 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4724 move_cost together with Matt Kraai's fix.
4726 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4728 * Makefile.in (OBJS): Add params.o.
4730 2001-02-14 Richard Henderson <rth@redhat.com>
4731 DJ Delorie <dj@redhat.com>
4733 * jump.c (jump_optimize_1): When we delete a conditional jump
4734 preceeding a non-conditional jump to effectively the same place,
4735 make sure that the combined jump skips any clobber insns between
4738 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4740 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4742 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4744 * Makefile.in (toplev.o): Depend on params.h.
4745 (intergate.o): Likewise.
4746 (params.o): New target.
4747 * flags.h (inline_max_insns): Remove.
4748 * integrate.c: Include params.h.
4749 Use MAX_INLINE_INSNS instead of inline_max_insns.
4750 * params.c: New file.
4751 * params.h: Likewise.
4752 * params.def: Likewise.
4753 * toplev.c: Include params.h.
4754 (lang_independent_params): New variable.
4755 (decode_f_option): Use the param machinery instead of setting
4757 (independent_decode_option): Handle "--param name=value".
4758 (main): Register language-independent parameters.
4760 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4762 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4764 2001-02-14 Richard Henderson <rth@redhat.com>
4766 * regclass.c (init_reg_sets_1): Revert last two changes.
4768 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4770 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4771 (variable_size): Call put_pending_size.
4772 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4773 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4774 sizes list, put newly created SAVE_EXPR there as well.
4776 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4778 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4779 (errata_find_address_regs): load_group has only 2 entries.
4780 (errata_emit_nops): Likewise. shladd is not problematic.
4781 Clear last_group if nop was emitted.
4782 (fixup_errata): load_group has only 2 entries.
4785 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4787 * c-lex.c (lex_number): Only warn traditionally for U suffix
4788 outside system macros.
4789 * cppexp.c (parse_number): Similarly.
4790 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4791 * cppmacro.c (struct cpp_macro): New member node.
4792 (parse_args): Only warn about missing rest args if not
4794 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4795 (cpp_sys_objmacro_p): New.
4796 (_cpp_create_definition): Store the node with the macro defn.
4797 Remember if the macro is defined in a system header.
4799 2001-02-13 DJ Delorie <dj@redhat.com>
4801 * configure.in (check_languages): determine languages to check
4802 * Makefile.in (check-c++): alias for check-g++
4803 (check-f77): alias for check-g77
4804 (CHECK_TARGETS): depend on configured languages
4806 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4808 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4809 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4810 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4811 (sqrtextendsfdf2): Disable for SSE2.
4813 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4815 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4816 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4817 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4818 (sqrtextendsfdf2): Disable for SSE2.
4820 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4822 * i386.md (movsfcc_1): Support integer cmove instruction.
4823 (movdfcc_1): Likewise; new splitter.
4825 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4827 * i386.c (output_fp_compare): Support SSE.
4828 (prepare_fp_compare_args): SSE comparisons always support memory.
4829 * i386.h (TARGET_CMOVE): SSE imply cmove.
4830 * i386.md (cmp?f2): Enable for SSE too.
4831 (cmpfp_i*): Support SSE.
4833 (cmpfp_i_sse_only): New.
4834 (s*, b* fp expanters): Enable for SSE too.
4835 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4838 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4840 * regclass.c (init_reg_sets_1): Silence warning.
4842 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4844 * i386.md (sqrt?f2): Change to expander.
4845 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4847 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4849 * rtlanal.c (find_reg_equal_equiv_note): New function.
4850 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4851 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4852 * rtl.h: Add declarations for above functions.
4854 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4856 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4858 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4859 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4860 * flow.c (mark_regs_live_at_end): Likewise.
4861 (calculate_global_regs_live): Likewise.
4862 * gcse.c (compute_hash_table): Likewise.
4863 (compute_kill_rd): Likewise.
4864 * resource.c (mark_target_live_regs): Likewise.
4865 * rtl.h (INVALID_REGNUM): New macro.
4867 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4869 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4871 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4873 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4876 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4878 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4880 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4881 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4882 (fop_sf_1_sse, fop_df_1_sse): New patterns
4883 (fop_*): Disable float_extend and float patterns for SSE compilation.
4884 * i386.c (output_387_binary_op): Support SSE.
4886 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4888 * i386.md (dummy_extendsfdf2): Support SSE2
4889 (extendsfdf2): Enable if 80387 or SSE2.
4890 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4891 and no MIX_I387_SSE2
4892 (extendsfdf2_1_sse_only): New pattern.
4893 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4895 (truncdfsf2_1): Support SSE.
4896 (truncdfsf2_2): Support SSE.
4897 (truncdfsf2_2_1_sse): New pattern.
4898 (fixtruncsfsi2): Always use SSE if available.
4899 (fix_truncsfsi_sse): New pattern.
4900 (fix_truncdfsi_sse): New pattern.
4901 (floatsis?f2): Support SSE.
4902 (floatsidf2_i387): New pattern.
4903 (floatsidf2_sse): Likewise.
4905 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4907 * configure.in: Use "have_gnat" variable, not "gnat".
4908 * configure: Regenerated.
4910 * config/sparc/sparc.c (function_value): Treat all non-record
4911 aggregate types like used to treat UNION_TYPE.
4913 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4915 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4916 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4918 (MASK_MIX_SSE_I387): New.
4919 (TARGET_SSE): SSE2 imply SSE.
4920 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4921 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4922 (enum reg_class): Add new classes.
4923 (REG_CLASS_NAMES): Likewise.
4924 (REG_CLASS_CONTENTS): Likewise.
4925 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4926 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4927 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4928 (CLASS_MAX_NREGS): Use new macros.
4929 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4930 * i386.md (pushsf, movsf): Support SSE.
4931 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4932 splitters to use ANY_FP_REGNO_P.
4933 (movdf_nointeger, movdf_integer): Likewise.
4935 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4937 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4938 (try_combine): Use it.
4940 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4942 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4943 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4944 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4945 (REGISTER_MOVE_COST): Likewise.
4946 * i386-protos.h (ix86_secondary_memory_needed,
4947 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4948 * i386.c (ix86_secondary_memory_needed,
4949 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4951 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4953 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4954 (HARD_REGNO_MODE_OK): Move offline to ....
4955 * i386.c (ix86_hard_regno_mode_ok) ... here;
4956 refuse all incorrect modes.
4957 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4959 2001-02-13 Richard Henderson <rth@redhat.com>
4961 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4962 entire operator; replicate that and match_dup the operands.
4963 (cmp_ccx_arith_op_set): Likewise.
4964 (cmp_cc_arith_op_not_set): Likewise.
4965 (cmp_ccx_arith_op_not_set): Likewise.
4967 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4969 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4971 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4973 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4974 (TARGET_NO_BITFIELD_WORD): New macro.
4975 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4976 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4978 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4980 * cselib.c: New file, from simplify-rtx.c.
4981 * simplify-rtx.c: Remove cselib parts.
4982 * Makefile.in: Add cselib.o.
4984 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4986 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4987 (setup_incoming_varargs): Remove warning.
4989 * config/rs6000/rs6000.c (validate_condition_mode): When
4990 flag_fast_math, allow floating-point conditionals to be reversed.
4991 (rs6000_generate_compare): When flag_fast_math, don't generate
4992 cror operations for FP conditionals.
4994 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4996 (ASM_SPEC): Likewise.
4997 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4998 (CC1_SPEC): Likewise.
4999 (LINK_TARGET_SPEC): Likewise.
5000 (CPP_ENDIAN_SPEC): Likewise.
5001 * Makefile.in (check-consistency): New target.
5003 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5005 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5006 "return type defaults" warning for functions with return type
5008 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5009 function declarations by default rather than only when pedantic.
5011 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5013 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5016 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5018 * extend.texi (Deprecated): Deprecate new initializer lists.
5020 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5022 * mkdeps.c (deps_add_default_target): Robustify. Add
5023 basename component only.
5024 * cpp.texi (-M): Describe how default target is generated.
5025 * invoke.texi (-M): Likewise.
5027 2001-02-12 Kazu Hirata <kazu@hxi.com>
5029 * toplev.c (push_float_handler): Remove.
5030 (pop_float_handler): Remove.
5031 * toplev.h: Remove prototypes for the above functions.
5033 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5035 * c-common.c (constant_fits_type_p): New function.
5036 (convert_and_check): Use it.
5038 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5040 * Makefile.in (GXX_ABI_FLAG): Don't define.
5041 * configure.in (--enable-new-gxx-abi): Remove option.
5042 * config.in: Regenerated.
5043 * configure: Likewise.
5045 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5047 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5049 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5050 regular basic block, and arrange for all edges into it to switch
5053 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5055 * Makefile.in (distclean): Do not remove .gdbinit.
5057 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5059 * Makefile.in (gcc.o): Fix typos.
5060 (protize.o): Likewise.
5061 (unprotoize.o): Likewise.
5063 2001-02-11 Richard Henderson <rth@redhat.com>
5065 * tree.c (build1): Check for null operand in last change.
5067 2001-02-11 Richard Henderson <rth@redhat.com>
5069 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5070 (fold): Don't assume a constant isn't foldable.
5071 * tree.c (build): Set TREE_CONSTANT for an expression with no
5072 side-effects and constant operands.
5075 2001-02-10 Richard Henderson <rth@redhat.com>
5077 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5079 2001-02-10 Anthony Green <green@redhat.com>
5081 * cpp.texi (Standard Predefined): Add documentation for
5084 * c-common.c (combine_strings): Improve warning message.
5086 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5088 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5090 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5092 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5094 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5097 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5099 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5102 2001-02-09 Nick Clifton <nickc@redhat.com>
5104 * config/arm/arm.md: Change output contraint on post inc
5105 load/store multiple patterns to be a read/write contraint.
5107 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5109 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5110 .o files when using the -M options.
5112 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5113 David Edelsohn <edelsohn@gnu.org>
5115 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5116 handle DImode constants. Use one TOC entry for SImode and smaller
5117 constants, aligned properly.
5119 2001-02-08 Jason Merrill <jason@redhat.com>
5121 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5122 about the SP adjustment for saving the static chain pointer.
5123 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5124 offset when setting a temporary CFA register.
5126 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5128 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5129 powerpc-*-chorusos* .
5130 * config/rs6000/chorus.h : New file.
5131 * config/i386/chorus.h : New file.
5132 * config/sparc/chorus.h : New file.
5133 * config/sparc/t-chorus-elf : New file.
5135 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5137 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5138 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5139 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5140 (__WCHAR_TYPE__): Correct macro name.
5142 2001-02-08 Richard Henderson <rth@redhat.com>
5144 * config/i386/i386.c (ix86_frame_pointer_required): New.
5145 (ix86_setup_frame_addresses): New.
5146 (struct machine_funciton): Add accesses_prev_frame.
5147 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5148 ix86_frame_pointer_required.
5149 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5150 (SETUP_FRAME_ADDRESSES): New.
5151 * config/i386/i386-protos.h: Update.
5152 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5153 from FRAME_POINTER_REQUIRED.
5154 * config/i386/svr3gas.h: Likewise.
5155 * config/i386/sysv3.h: Likewise.
5156 * config/i386/v3gas.h: Likewise.
5158 2001-02-08 Richard Henderson <rth@redhat.com>
5160 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5161 calculation of the number of integer registers required.
5162 (function_arg_record_value): Likewise.
5164 2001-02-08 Jason Merrill <jason@redhat.com>
5166 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5167 two. Print file and line with "confused" message.
5169 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5171 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5173 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5175 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5177 * final.c (cleanup_subreg_operands): The address of a MEM can
5180 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5183 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5185 * gcc.texi (Incompatibilities): Update documentation of
5186 preprocessing numbers.
5188 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5190 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5192 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5194 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5196 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5197 * gcc.c (struct compiler): Add cpp_spec field.
5198 (input_file_compiler): New variable.
5199 (do_spec_1): Allow a particular compiler to handle `%C'
5201 (main): Store the current compiler in input_file_compiler.
5202 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5204 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5206 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5207 * cppinit.c (cpp_create_reader): Initialize them.
5208 (append_include_chain): cxx_aware arg might be unused.
5209 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5210 keywords and give them their phase 7 meaning. Pedwarn about
5211 this unless '__bool_true_false_are_defined' is defined.
5213 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5215 * lcm.c (optimize_mode_switching): Emit mode_set before the
5216 JUMP_INSN of an abnormal edge.
5218 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5220 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5221 a scheduling barrier at the end.
5223 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5225 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5227 * config/sh/sh.md (reload_outsf): Removed.
5228 (movsf_ie): Introduce constraints for FPUL loads and stores.
5229 (reload_insf): Broaden the output constraint.
5231 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5233 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5234 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5236 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5238 * final.c: Revert my previous changes.
5239 * output.h: Make profile_label_no extern.
5240 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5241 for generating label.
5243 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5245 * config/i386/djgpp.h: Add comments about standard paths.
5246 (MD_EXEC_PREFIX): Undefine before defining.
5247 (MD_STARTFILE_PREFIX): New.
5249 2001-01-30 Bruce Korb <bkorb@gnu.org>
5251 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5252 (load_file): do not rely on load_file_data() to close file pointer
5253 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5254 fixinc/inclhack.def(irix_limits_const): add test_text
5256 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5258 * cppexp.c (parse_defined): Improve diagnostics for invalid
5261 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5263 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5265 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5267 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5268 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5269 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5270 (rs6000_output_symbol_ref): New function.
5271 (output_toc): Use VTABLE_NAME_P.
5273 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5275 * print-tree.c (print_node, case PARM_DECL):
5276 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5278 * stor-layout.c (reference_types_internal): New variable.
5279 (internal_reference_types): New function.
5280 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5281 * tree.h (internal_reference_types): New declaration.
5283 * cse.c (find_best_addr): Fix typo in computing cost.
5285 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5287 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5288 and this is the sum of a pointer and a constant, we know the result
5290 (num_sign_bit_copies, case PLUS): Likewise.
5291 * explow.c (convert_memory_address): Remove opposite SUBREG.
5292 * function.c (instantiate_new_reg): New function (from common code).
5293 (instantiate_virtual_regs_1): Call it.
5294 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5295 if pointers sign- or zero-extend.
5296 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5297 If pointers extend unsigned, use inside of SUBREG.
5298 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5300 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5302 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5303 subdir of gcc_gxx_include_dir.
5304 (gcc_gxx_target_include_dir): Remove.
5306 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5308 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5309 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5310 a high-level description.
5312 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5314 * final.c: Move the declaration of profile_label_no to ...
5315 * output.h: ... here.
5316 * function.c (expand_function_start): Call PROFILE_HOOK.
5317 * config/rs6000/aix.h: Define PROFILE_HOOK.
5318 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5319 * config/rs6000/rs6000.c (output_profile_hook): Define.
5320 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5321 output_profile_hook.
5322 tm.texi : Explain new macro PROFILE_HOOK.
5324 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5326 * extend.texi (Extended Asm): Do not say that semicolon is always
5327 a valid line-breaking character for GNU assemblers. Use
5328 newline-tab as the most commonly supported syntax. Use
5329 newline-tab rather than semicolon in multi-insn examples.
5331 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5333 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5335 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5336 David Edelsohn <edelsohn@gnu.org>
5338 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5339 code for AIX, even without flag_pic.
5341 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5343 * c-typeck.c (common_type): push and pop binding level around
5344 calling common_type on function parameters.
5346 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5348 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5350 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5352 * config/mips/mips.c (override_options): Fix typo in last change.
5353 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5354 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5356 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5358 * invoke.texi (-fdump-class-layout): Document.
5359 (-fdump-translation-unit): Use `=' as filename separator.
5361 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5363 * Makefile.in (s-mlib): Don't build multilibs if
5365 (DRIVER_DEFINES): Adjust accordingly.
5367 (protoize.o): Likewise.
5368 (unprotoize.o): Likewise.
5369 * configure.in: Recognize --enable-multilib.
5371 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5373 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5375 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5376 * configure.in: Remove --enable-libstdcxx_v3 support.
5377 * configure: Regenerated.
5379 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5381 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5382 Call abort instead of fatal.
5383 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5384 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5385 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5386 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5387 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5388 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5390 * diagnostic.h (set_internal_error_function): Renamed.
5391 * toplev.h (internal_error): Renamed from fatal.
5392 (pfatal_with_name): Deleted.
5393 (fatal_io_error): Now has printf-style arguments.
5394 * diagnostic.c (pfatal_with_name): Deleted.
5395 (fatal_io_error): Rework to have args in printf-style.
5396 (set_internal_error_function): Renamed from set_fatal_function.
5397 (internal_error): Renamed from fatal.
5398 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5399 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5400 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5401 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5402 * flow.c (verify_flow_info): Likewise.
5403 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5404 * config/mips/mips.c (save_restore_insns): Likewise.
5406 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5407 * flow.c (verify_flow_info): Likewise.
5408 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5409 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5410 (avr_normalize_condition): Likewise.
5411 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5412 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5413 (limit_reload_class, double_reg_to_memory): Likewise.
5414 (print_operand_address, emit_1600_code_shift): Likewise.
5415 (gen_tst_reg, gen_compare_reg): Likewise.
5416 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5417 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5419 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5421 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5422 * objc/objc-act.c (build_ivar_chain): Likewise.
5423 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5425 * graph.c (clean_graph_dump_file): Likewise.
5426 * profile.c (init_branch_prob): Likewise.
5427 * objc/objc-act.c (objc_init): Likewise.
5429 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5430 * config/avr/avr.c (avr_override_options): Likewise.
5431 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5432 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5433 * config/h8300/h8300.c (h8300_init_once): Likewise.
5434 * config/mips/mips.c (override_options): Likewise.
5435 * config/i386/i386.c (override_options): Likewise, rework.
5436 * config/m68k/m68k.c (override_options): Likewise.
5438 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5440 * config/mips/mips.c (print_operand): Likewise.
5441 * hash.c (hash_allocate): Don't check for failure returns from
5442 obstack functions that can't fail.
5443 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5444 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5445 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5446 (get_object_reference): Likewise.
5448 2001-02-04 Nick Clifton <nickc@redhat.com>
5450 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5451 StrongARM1110, 10TDMI, and 1020T.
5453 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5455 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5457 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5459 * config/sh/sh.md (movdf load split): Pass register number to
5460 FP_OR_XD_REGISTER_P.
5462 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5464 * cppinit.c (BC): New macro.
5465 (builtin_array): Add __GXX_WEAK__.
5466 * cpplib.h (builtin_type): Add BT_WEAK.
5467 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5468 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5469 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5471 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5473 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5475 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5477 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5478 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5480 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5482 * cpphash.h: Rename ALIGN _ALIGN.
5483 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5485 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5487 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5488 compilation environment.
5489 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5490 control over location of cygwin includes and libs.
5492 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5494 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5496 2001-02-02 lars brinkhoff <lars@nocrew.org>
5498 * md.texi (Standard Names): remove reference to spur.md.
5500 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5502 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5503 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5504 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5505 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5506 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5508 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5510 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5511 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5512 number before reload.
5513 (c4x_adjust_cost): Return zero before reload.
5514 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5515 split before reload.
5517 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5519 * c4x.c (c4x_hard_regno_rename_ok): New.
5520 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5521 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5523 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5525 * diagnostic.h: Add missing "extern" in all declarations.
5527 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5529 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5530 as for gcc_gxx_include_dir.
5532 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5534 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5536 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5538 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5539 label before alignment to be used as the braf base address.
5540 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5542 (casesi_jump_2): Require at least TARGET_SH2.
5544 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5545 truncation to 32-bit doubles on -m3e and -m4-single-only.
5547 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5549 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5550 the default when building a shared object.
5551 (init_spec): Use it.
5552 * testsuite/lib/g++.exp: Include the directory where libgcc
5553 is located to the LD_LIBRARY_PATH list.
5554 * invoke.texi (-shared-libgcc): Document the cases in which
5555 GCC defaults to using the shared libgcc.
5557 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5559 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5560 unsigned is wide enough.
5562 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5563 (si_to_float): Likewise.
5564 (float_to_si, float_to_usi): Use BITS_PER_SI.
5566 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5568 * dwarf2out.c: Added explanation of abbreviations.
5569 (def_cfa_1): Added comments listing DWARF2 instructions.
5570 (cfa_temp_reg): Removed in favor of cfa_temp.
5571 (cfa_temp_value): Removed in favor of cfa_temp.
5572 (cfa_temp): New global variable.
5573 (dwarf2out_frame_debug_expr): Added extensive introductory
5574 comments explaining the function's transformations. Revised to
5575 use cfa_temp. Added some rtx checking. Generalize IOR case.
5576 (dwarf2out_frame_debug): Revised to use cfa_temp.
5577 (output_aranges): Cast as "unsigned" to avoid warning.
5578 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5579 explain which instructions must be marked.
5581 2001-02-01 Richard Henderson <rth@redhat.com>
5583 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5586 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5588 * config/sh/crt1.asm (main_k): Modified so that start calls
5589 ___setup_argv_and_call_main.
5591 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5593 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5594 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5595 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5596 * cppmacro.c (builtin_macro): Set builtin flags here.
5597 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5598 (replace_args): Clarify intent.
5599 (cpp_get_token): Macro expansion tokens get the saved flags.
5601 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5604 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5606 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5609 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5611 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5612 returns Pmode pseudo, but we need ptr_mode.
5613 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5614 Remove bogus conversions; use HOST_WIDE_INT for size.
5615 Don't use TARGET if wrong mode.
5617 * config/i386/i386.c (ix86_compute_frame_size): Allow
5618 stack_alignment_needed to be non-default even if size is zero.
5620 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5622 * pa.c (hppa_init_pic_save): New function.
5623 * pa.h (hppa_init_pic_save): Declare.
5624 * pa.md (call, call_value, sibcall, sibcall_value): Use
5625 the above instead of duplicated code.
5627 * pa.c (hppa_encode_label): Correct size of alloca buffer
5628 so we don't overrun it. Correct leading `*' case.
5629 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5630 need to handle `*@'.
5631 (FUNCTION_NAME_P): Likewise.
5633 2001-01-31 Richard Henderson <rth@redhat.com>
5635 * config.gcc (alpha-osf5): Use float-i128.h.
5637 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5638 * config/float-i32.h: Likewise.
5639 * config/float-i64.h: Likewise.
5640 * config/float-sh.h: Likewise.
5641 * config/float-sparc.h: Likewise.
5643 2001-01-31 DJ Delorie <dj@redhat.com>
5645 * expmed.c (extract_bit_field): allow non-integral modes if we
5646 want to extract a whole register from itself.
5648 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5650 * c-typeck.c (set_init_index): If first is equal to last, assume as
5651 if it was not a range at all.
5653 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5655 * config/fp-bit.c: Include tm.h.
5656 (float_to_si): Don't assume SImode is 32-bits wide.
5657 (float_to_usi): Likewise.
5659 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5661 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5663 (typename): Call pending_xref_error after parsing typed_typespecs.
5664 * c-decl.c (lookup_tag): Give error immediately rather than
5665 leaving it pending if the tag of the wrong type is in the same
5667 (xref_tag): Don't pedwarn for forward declarations of enum types
5669 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5672 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5674 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5676 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5678 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5679 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5681 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5683 * cpphash.h (struct cpp_reader): New saved_flags.
5684 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5685 to avoid a paste after a pasted token.
5687 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5689 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5690 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5691 Wtype_MIN instead of LONG_MIN.
5693 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5695 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5697 * fixinc/fixincl.x: Regenerated.
5698 * fixinc/inclhack.def (irix_limits_const): New definition to
5699 convert "const" to "__const" in limits.h.
5701 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5703 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5705 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5707 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5708 when register dies in the insn.
5710 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5712 * diagnostic.c (fatal): Fix word wrap.
5714 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5716 * combine.c (try_combine): Fix SUBREG setting for
5717 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5719 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5721 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5724 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5726 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5728 * toplev.c (decode_W_option): Update warn_larger_than
5729 unconditionally for each processed switch.
5731 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5733 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5735 (hppa_expand_prologue): Delete code to save pic offset table register
5736 in the function prologue.
5737 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5738 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5739 table register at the beginning of the function after the prologue.
5741 2001-01-29 lars brinkhoff <lars@nocrew.org>
5743 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5745 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5746 Jeff Law <law@redhat.com>
5748 * pa.md (return): Revise comment for trivial return.
5749 (return_internal): Non-trivial return pattern for non-PIC code.
5750 (return_internal_pic): Non-trivial return pattern for PIC code.
5751 It uses the PIC register to ensure it is restored after
5753 (epilogue): Generate appropriate return for PIC and non-PIC code.
5755 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5757 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5759 2001-01-29 DJ Delorie <dj@redhat.com>
5761 * combine.c (if_then_else_cond): Pass the correct mode to
5762 operand_subword() for constants.
5764 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5766 * config/i386/cygwin.h: Add w32api to include search. Search different
5767 directories in a cross-build environment.
5769 2001-11-29 Tim Josling <tej@melbpc.org.au>
5771 * tree.h (TYPE_STUB_DECL): Add documentation.
5773 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5775 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5776 (sdbout_field_types): Likwise. Fix use of host_integerp.
5778 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5780 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5783 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5785 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5786 to use flag_gnu_linker.
5788 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5790 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5791 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5793 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5795 * tree.c, tree.h (build_parse_node): Remove; was identical to
5797 * c-lang.c (start_cdtor), objc/objc-act.c
5798 (build_module_descriptor): Use build_nt instead of
5801 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5803 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5804 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5805 not have any upper bits set.
5807 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5809 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5811 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5813 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5815 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5817 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5818 (integer_minus_one_node): Define.
5820 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5822 * Makefile.in (bootstrap2-lean): Fix typo.
5824 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5826 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5827 : Don't set fe_value.
5828 * cpplib.h (AVOID_LPASTE): New flag.
5829 (struct cpp_hashnode): Remove fe_value.
5830 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5831 * cppmacro.c (builtin_macro): Don't set flags here.
5832 (replace_args): Set AVOID_LPASTE flag on first token of an
5833 argument, and the token following it.
5834 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5835 macro expansion, and on the token following it. Do it for
5837 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5839 2001-01-27 Richard Henderson <rth@redhat.com>
5841 * config/alpha/t-ieee: Remove multilibbing.
5842 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5844 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5846 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5848 * Makefile.in: Remove all dependencies on defaults.h.
5849 * builtins.c: Don't include defaults.h.
5850 * c-common.c: Likewise.
5851 * c-decl.c: Likewise.
5852 * c-pragma.c: Likewise.
5853 * c-typeck.c: Likewise.
5854 * combine.c: Likewise.
5856 * frame-ia64.c: Likewise.
5857 * cppexp.c: Likewise.
5858 * crtstuff.c: Likewise.
5859 * dbxout.c: Likewise.
5860 * dwarf2out.c: Likewise.
5861 * dwarfout.c: Likewise.
5862 * emit-rtl.c: Likewise.
5863 * except.c: Likewise.
5865 * final.c: Likewise.
5866 * frame-dwarf2.c: Likewise.
5867 * libgcc2.c: Likewise.
5868 * optabs.c: Likewise.
5869 * profile.c: Likewise.
5870 * sdbout.c: Likewise.
5871 * toplev.c: Likewise.
5872 * tradcif.y: Likewise.
5874 * varasm.c: Likewise.
5876 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5878 * builtins.c (expand_builtin_fputs): Use size_one_node when
5879 transforming into fwrite.
5881 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5883 * extend.texi (Attribute Syntax): New section.
5885 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5887 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5888 they didn't need fixing.
5890 2001-01-27 Janis Johnson <janis@us.ibm.com>
5892 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5894 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5895 to remove macro definitions that are duplicated from elfos.h.
5897 2001-01-27 Richard Henderson <rth@redhat.com>
5899 * config/i386/sco5gas.h: Move ...
5900 * config/usegas.h: ... here.
5901 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5903 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5905 * c-typeck.c (struct constructor_stack): Add range_stack member.
5906 (really_start_incremental_init): Clear it.
5907 (push_init_level): Save constructor_range_stack and clear it if
5908 pushing explicit braces.
5909 (pop_init_level): abort if constructor_range_stack is non-zero at
5910 explicit closing brace. Restore saved constructor_range_stack if
5913 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5915 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5916 into register was forced into memory.
5918 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5920 * Makefile.in: Remove uses of + before $(MAKE).
5922 2001-01-26 Richard Henderson <rth@redhat.com>
5924 * stmt.c (cost_table): Remove.
5925 (COST_TABLE, cost_table_initialized): New.
5926 (estimate_case_costs): Use the later instead of the former.
5927 (balance_case_nodes): Likewise.
5929 2001-01-26 Richard Henderson <rth@redhat.com>
5931 * alias.c (objects_must_conflict_p): Read-only slots may not
5932 conflict despite having the same type.
5934 2001-01-27 Michael Hayes <mhayes@redhat.com>
5936 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5938 (check_ext_dependant_givs): Initialise u_start_val and
5940 (load_mems): Make last_max_reg unsigned.
5941 (try_swap_copy_prop): Use INSN_P and initialise set.
5943 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5945 * README.AVR : Removed.
5947 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5949 * pa-64.h (text_section): Remove declaration.
5951 * pa.md (return_internal): Remove mode on PIC register use.
5953 2001-01-25 lars brinkhoff <lars@nocrew.org>
5955 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5956 ASM_CLOSE_PAREN): fix typos.
5958 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5960 * acconfig.h: Define `const' to the empty string if neither
5961 __STDC__ nor __cplusplus is defined.
5962 * config.in: Regenerated.
5964 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5966 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5967 * collect2.c (main): Delete importf. Add ".obj" file extension.
5968 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5969 (aix_std_libs): Add additional AIX libraries to skip.
5970 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5971 * config/rs6000/aix51.h: New file.
5973 2001-01-25 Michael Hayes <mhayes@redhat.com>
5975 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5976 (loop_insn_emit_before): No longer static.
5977 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5978 (loop_givs_rescan, load_mems): Likewise.
5979 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5980 (maybe_eliminate_biv_1):
5981 (move_movables): Replace emit_call_insn_before with
5982 loop_call_insn_hoist.
5983 * loop.h (loop_insn_emit_before): Add.
5984 * unroll.c (copy_loop_body): Replace emit_insn_before with
5985 loop_insn_emit_before.
5987 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5989 * diagnostic.c (fatal): Request preprocessed source.
5991 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5993 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5994 olddecl has argument types and newdecl has none, use the argument
5997 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5999 * dwarf2out.c (prefix_of): New function. Determine longest common
6000 prefix of the two arguments. The units are whole path components.
6001 (output_file_names): When adding a new directory find the one entry
6002 with the longest common prefix already in the list. Artificially
6003 generate entry if there is none for this prefix.
6004 Fix test to check whether the zeroth directory entry is used.
6006 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6008 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6009 Changed all callers. Take it into account when deciding if a
6010 previously loaded value matches.
6012 2001-01-24 Richard Henderson <rth@redhat.com>
6014 * reload.c (find_reloads_subreg_address): Fail the substitution
6015 if the resulting address is insufficiently aligned.
6017 2001-01-24 DJ Delorie <dj@redhat.com>
6019 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6020 check the original operand's mode also.
6021 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6023 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6025 * c-parse.in (cast_expr): Move compound literals from here ...
6026 (primary): ... to here. Use standard terminology "compound
6027 literal" instead of "constructor expression".
6029 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6031 * gcc.1, cpp.1: Regenerate.
6033 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6035 * calls.c (emit_library_call_value_1): Memory slot for
6036 pass-by-reference argument should have the mode of the argument,
6037 not of the pointer to it.
6039 2001-01-24 Tom Tromey <tromey@redhat.com>
6041 * gcc.texi (G++ and GCC): Mention gcj manual.
6042 (Standards): Link to section of manual mentioning gcj/Java
6045 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6047 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6048 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6049 * tradcpp.c (main): Add -imacros or -include'd dependencies
6051 * cpp.texi (-M, -MM): Document -M -include behaviour.
6053 2001-01-24 Roger Collins <roger@ProProject.com>
6055 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6057 2001-01-24 Will Cohen <wcohen@redhat.com>
6059 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6060 whether registers are 32 bits or 64 bits in size.
6062 2001-01-24 Ben Elliston <bje@redhat.com>
6064 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6066 2001-01-24 Richard Henderson <rth@redhat.com>
6068 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6069 (builtin_longjmp): Use it instead of emit_indirect_jump.
6071 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6073 * bb-reorder.c (make_reorder_chain_1): Handle case where
6074 jump edge goes to the same block as the fallthru edge.
6076 2001-01-23 Jim Wilson <wilson@redhat.com>
6078 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6079 * frame.h (__ia64_personality_v1): Add prototype.
6080 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6081 prototype form. Add void * cast to first argument to personality
6083 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6084 (asctoe113): Likewise.
6085 * config/ia64/frame-ia64.c: Include eh-common.h.
6086 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6088 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6090 (itanium_split_issue): Add prototype.
6091 (gen_nop_type): Ifdef out.
6092 (find_best_packet): Initialize best_packet.
6093 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6095 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6096 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6097 (flushrs): Add explicit stop bit at end.
6098 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6101 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6103 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6105 * libgcc2.c (__terminate_func): Make variable static.
6106 (__terminate_set_func): New function to set __terminate_func.
6107 * libgcc2.h (__terminate_func_ptr): New typedef.
6108 (__terminate_set_func): New function.
6110 2001-01-23 Richard Henderson <rth@redhat.com>
6112 * flow.c (init_propagate_block_info): Don't consider unchanging
6113 memories for dead frame store elimination.
6115 2001-01-23 Richard Henderson <rth@redhat.com>
6117 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6118 * defaults.h: ... here.
6120 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6122 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6124 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6126 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6128 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6130 * rs6000.h (rs6000_return_addr): Move prototype from here...
6131 * rs6000-protos.h (rs6000_return_addr): ...to here.
6132 (rs6000_init_expanders): Delete prototype.
6134 2001-01-23 Nick Clifton <nickc@redhat.com>
6136 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6137 (Spec Files): Document %B and %j and %. and %v3 and %M and
6138 %{S*&T} spec switches.
6140 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6142 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6144 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6145 Neil Booth <neil@daikokuya.demon.co.uk>
6147 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6148 Have -Werror make pedantic warnings errors, like the
6151 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6153 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6155 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6157 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6158 * integrate.c (expand_inline_function): Initialize them.
6159 (subst_constants): If changing COMPARE so that both its arguments
6160 will be VOIDmode and the comparison mode will be lost, note
6161 compare_mode. Use the recorded compare_mode to optimize
6164 2001-01-23 Jason Merrill <jason@redhat.com>
6166 * dwarf2out.c (new_die): Use xcalloc.
6167 (output_die): Abort rather than emit a local reference to offset 0.
6169 2001-01-17 Andrew Haley <aph@redhat.com>
6171 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6172 of a saved register; return NULL instead.
6173 (copy_reg): Take a pointer to a source register rather than a
6175 (next_stack_level): Remember the address in the stack frame of all
6177 Use the saved register pointer array as the source of the CFA.
6178 (throw_helper): Rewrite. Unwind once rather than twice and keep
6179 track of saved registers as we go.
6181 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6183 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6184 * c4x.c (c4x_legitimize_reload_address): Remove.
6185 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6186 reload address for ldp(k) insn.
6188 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6190 * pa.md (return_internal): Add a USE of the PIC register to ensure
6191 it is restored after each call.
6192 (return expander): Corresponding changes.
6194 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6196 * rs6000.h (INIT_EXPANDERS): Delete.
6197 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6198 * rs6000.c (rs6000_override_options): Call *_machine_status from
6200 (rs6000_init_expanders): ...instead of here. Delete.
6201 (rs6000_mark_machine_status): New function.
6202 (rs6000_init_machine_status): Use xcalloc.
6203 (rs6000_return_addr): Generate RTX for the return address.
6204 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6205 (rs6000_stack_info): Use it.
6207 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6209 * gthr-win32.h: Include errno.h to get a declaration for
6210 EINVAL and _mingw.h if the target is mingw32.
6212 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6214 * cpp.texi: Correct typos.
6216 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6218 * explow.c (probe_stack_range): Ensure value passed to
6219 stack_check_libfunc is ptr_mode, not Pmode.
6221 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6223 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6224 case, don't use operand_subword to calculate a SUBREG that is
6227 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6229 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6231 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6232 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6233 valid. If not replace it by equivalent insns.
6235 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6237 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6238 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6239 (c4x_U_constraint, symbolic_address_operand): Likewise.
6240 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6242 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6243 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6244 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6245 anulling slot because of silicon bug.
6246 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6248 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6250 * cppexp.c (parse_charconst): Change `mask' type to agree
6253 2001-01-21 Richard Henderson <rth@redhat.com>
6255 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6256 pic_label_name in a linkonce section.
6258 2001-01-17 Philipp Thomas <pthomas@suse.de>
6260 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6262 * configure: Regenerate.
6264 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6266 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6267 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6269 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6271 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6272 If REVERSE nonzero then condition code in X must be reversed.
6273 (encode_section_info): Optimise if/else.
6274 (avr_function_value): Fix formatting.
6276 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6277 (difficult_branch): Likewise.
6278 (rvbranch): Likewise.
6279 (difficult_rvbranch): Likewise.
6281 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6283 * config/avr/libgcc.S: Fix comment.
6285 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6287 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6289 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6291 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6293 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6295 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6296 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6297 * configure, config.in: Regenerate.
6298 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6299 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6300 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6301 (doprint.o): New rule.
6303 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6305 * c-typeck.c (digest_init): Handle boolean types as scalars.
6307 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6309 * stmt.c (expand_return): Don't return anything if size is zero.
6310 Delete redundant assignment to BYTES.
6311 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6313 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6315 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6316 the same as the default library function names.
6317 * config/avr/avr.md: Document special characters after '%'.
6318 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6319 knowing which of the call-used registers are really clobbered.
6320 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6321 New. Both quotient and remainder from one libgcc.S call.
6322 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6323 clobber as few registers as possible.
6324 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6326 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6328 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6329 context of the top of the stack.
6331 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6333 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6334 (fixup_var_refs_insns): ...here.
6336 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6338 * function.c (fixup_var_refs_insns): Break up into
6339 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6340 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6341 [loop over hash table entries].
6342 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6343 fixup_var_refs_insns_with_hash, to match above changes.
6345 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6347 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6348 (libgcc.a): Likewise.
6349 (stmp-multilib): Likewise.
6350 (STAGE2_FLAGS_TO_PASS): Likewise.
6352 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6354 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6355 temporary if no_new_pseudos.
6357 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6359 * cppinternals.texi: Update.
6361 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6363 * arm.c (arm_init_builtins): Re-enable builtins.
6365 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6367 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6368 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6369 element to be null, and always expect an EXPR_LIST.
6370 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6371 * sched-deps.c (sched_analyze_1): Likewise.
6372 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6374 * regclass.c (max_set_parallel): New variable.
6375 (reg_scan): Take it into account in computation of max_parallel.
6376 (reg_scan_mark_refs, case SET): Compute it.
6378 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6380 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6381 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6383 2001-01-19 Jason Merrill <jason@redhat.com>
6385 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6386 for the abstract instance of an inline function.
6388 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6389 J"orn Rennecke <amylaar@redhat.com>
6391 * reload1.c (move2add_note_store): Treat all registers directly or
6392 indirectly derived from a base register as members of the same set
6394 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6395 of base register into account.
6397 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6399 * alias.c (find_base_value): Recognize TRUNCATE.
6400 (record_set): In PLUS case, invalidate if other summand is also a
6403 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6405 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6406 entry to be EXPR_LIST.
6407 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6408 be an EXPR_LIST (but not null, which other code doesn't allow).
6409 (note_stores): Properly handle PARALLEL in SET.
6410 Recursively call for top-level PARALLEL.
6411 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6412 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6414 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6416 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6418 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6419 not pfile->skipping (== 0).
6421 2001-01-17 Nick Clifton <nickc@redhat.com>
6423 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6426 2001-01-17 Jim Wilson <wilson@redhat.com>
6428 * invoke.texi (IA-64 options): Improve.
6430 2001-01-17 Tom Tromey <tromey@redhat.com>
6432 * invoke.texi (Optimize Options): Use `{}' to around @samp
6435 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6437 * invoke.texi (-fno-guess-branch-probability): New option.
6439 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6441 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6442 case of making new double-word constant.
6443 Revert last change: instead just test i3_subst_into_i2.
6445 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6447 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6448 Use q constraints instead of r.
6450 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6452 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6453 (machine_function): Define.
6454 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6455 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6456 pa_free_machine_status): New functions.
6457 (override_options): Set {init,mark,free}_machine_status to above.
6458 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6459 PIC_OFFSET_TABLE_REGNUM_SAVED.
6460 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6461 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6462 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6463 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6464 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6466 2001-01-15 DJ Delorie <dj@redhat.com>
6468 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6472 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6474 * flow.c (propagate_on_insn): Make trying to delete a prologue
6475 or epilogue insn an ICE, not a warning. Allow doing this if
6476 the current function returns with stack pointer depressed.
6478 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6479 I3 having more than one SET.
6481 2001-01-16 Jim Wilson <wilson@redhat.com>
6483 * invoke.texi: Document IA-64 options.
6485 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6486 (fixup_errata): Delete TARGET_A_STEP use.
6487 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6488 (TARGET_SWITCHES): Delete -ma-step option.
6489 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6490 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6491 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6492 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6493 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6494 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6496 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6497 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6498 cmovsi_internal): Delete ! TARGET_A_STEP check.
6500 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6502 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6503 possibility to report bugs via postal mail. Change a URL and
6504 merge in a nearly duplicate statement...
6505 (Bug Reporting): ...from here.
6506 (Service): Refer to the Bug Reporting section instead of
6508 (Contributing): Remove trivial explanations concerning snapshots.
6510 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6512 * cppmain.c (general_init): Don't use ANSI prototype.
6514 2001-01-16 Tom Tromey <tromey@redhat.com>
6516 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6518 2001-01-16 Richard Henderson <rth@redhat.com>
6520 * config/i386/i386.h: Fix comment typo.
6521 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6522 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6524 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6526 * gcc.c: Revert previous -fsyntax-only-related change; move
6529 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6531 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6532 inmode after checking GET_CODE (op).
6534 2001-01-16 Richard Henderson <rth@redhat.com>
6536 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6537 (MAX_MEM_SET_LIST_LEN): New.
6538 (propagate_one_insn): Update mem_set_list_len.
6539 (invalidate_mems_from_autoinc): Likewise.
6540 (invalidate_mems_from_set): Likewise.
6541 (mark_used_regs): Likewise.
6542 (init_propagate_block_info): Likewise. Stop collecting memories
6543 when we reach MAX_MEM_SET_LIST_LEN.
6544 (mark_set_1): Likewise.
6546 2001-01-16 Richard Henderson <rth@redhat.com>
6548 * unroll.c (precondition_loop_p): Fail if no iteration
6551 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6553 * gcc.c: When -fsyntax-only is given, do not complain about
6556 2001-01-15 Richard Henderson <rth@redhat.com>
6558 * config/i386/i386.c (asm_output_function_prefix): Remove.
6559 (ix86_asm_file_end): New.
6560 (load_pic_register): Generate pic_label_name into a
6561 staticly allocated buffer.
6562 * config/i386/i386-protos.h: Update.
6563 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6564 (ASM_FILE_END): New.
6565 * config/i386/i386afe.h: New file.
6566 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6567 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6568 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6569 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6570 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6571 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6572 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6574 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6576 * Makefile.in (install-man): Remove explicit dependency on
6579 * configure.in, configure: Revert previous patch requiring perl
6582 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6584 * toplev.c (flag_guess_branch_prob): New.
6585 (f_options): Add guess-branch-probability option.
6586 (rest_of_decl_compilation): Only estimate branch probability if
6588 (main): set flag_guess_branch_prob.
6590 * flags.h (flag_guess_branch_prob): New.
6592 2001-01-15 DJ Delorie <dj@redhat.com>
6594 * gcc.texi (Makefile): Add documentation for Makefile targets.
6596 2001-01-15 Philip Blundell <philb@gnu.org>
6598 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6600 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6601 (is_pic): Delete declaration.
6602 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6603 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6604 * config/arm/arm.md (builtin_setjmp_receiver): New.
6606 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6608 * arm.c (use_return_insn): Don't try to determine the function type
6609 until after reload has completed.
6610 (arm_output_epilogue): Don't adjust the sp value recovered from the
6612 (emit_multi_reg_push): Don't record dwarf information for the pc.
6613 * arm.md (eh_epilogue): The function type may have changed, so it
6614 needs to be recalculated.
6615 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6616 unwind tables on arm/netbsd.
6618 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6620 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6621 (negated_cbranchsi4): Likewise.
6623 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6625 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6626 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6627 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6628 pass -mapcs-* options to assembler.
6629 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6630 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6631 (ASM_SPEC): Call subtarget_extra_asm_spec.
6633 2001-01-15 Andreas Jaeger <aj@suse.de>
6635 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6637 (ix86_expand_builtin): Likewise.
6639 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6640 warning about comparison between signed and unsigned.
6642 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6644 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6646 2001-01-14 Ralf Baechle <ralf@gnu.org>
6648 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6649 SUBTARGET_CPP_SPEC apropriatly.
6651 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6653 * varasm.c (make_decl_rtl): Fix typo in last change.
6655 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6657 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6658 linker supports the init_priority C++ attribute.
6659 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6660 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6661 linker does not support init_priority C++ attribute.
6663 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6665 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6667 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6669 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6670 * cp/lex.c (finish_parse): Similarly.
6671 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6672 Return the number of errors encountered.
6673 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6674 * cppmain.c (main): Don't call cpp_destroy.
6676 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6678 * configure.in: Require at least perl 5.6.0 to regenerate
6680 * configure: Regenerate.
6682 2001-01-14 Richard Henderson <rth@redhat.com>
6684 * genrecog.c (DT_veclen_ge): New.
6685 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6686 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6687 (nodes_identical_1): Handle DT_veclen_ge.
6688 (write_cond, debug_decision_2): Likewise.
6690 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6692 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6694 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6696 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6698 * cppmain.c (do_preprocessing): New function; most of the old
6700 (main): Call it to do most of the work.
6701 (cb): Move from global scope to set_callbacks ().
6702 (setup_callbacks): Get the callback pointer.
6703 (general_init, printer_init): Clean up code and comments.
6705 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6707 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6710 2001-01-14 Kazu Hirata <kazu@hxi.com>
6712 * config/h8300/h8300.c (get_shift_alg): Update comments.
6714 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6716 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6717 (alloc_page, ggc_alloc): Add casts to remove warnings.
6719 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6721 * combine.c (simplify_comparison): Don't change `code' when
6722 can't reverse comparison.
6724 2001-01-14 Richard Henderson <rth@redhat.com>
6726 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6727 update all call sites. Return true for all non-label constants.
6729 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6731 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6733 (ix86_expand_branch): Update.
6734 (ix86_expand_setcc): Update to handle multiple test conditions.
6735 (expand_int_movcc): Likewise.
6736 (expand_fp_movcc): Likewise.
6737 * i386-protos.h (ix86_expand_compare): New.
6738 * i386.md (andqi_?_slp, orqi_?_slp): New.
6739 (conditional trap expander): Update call to ix86_expand_compare.
6741 2001-01-14 Richard Henderson <rth@redhat.com>
6743 * config/vax/vax.md: Use nonimmediate_operand instead of
6744 general_operand in destinations.
6746 * config/vax/vax.md (indirect_jump): Use register_operand.
6748 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6749 * config/vax/vax.md (call_pop): Turn into an expander.
6750 (call_value_pop): Likewise.
6751 (call, call_value): New.
6753 2001-01-14 Andreas Jaeger <aj@suse.de>
6755 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6757 (ix86_fp_compare_mode): Add unused attribute.
6758 (ix86_expand_fp_movcc): Remove unused variable.
6759 (ix86_expand_builtin): Make fcode unsigned.
6761 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6762 (expand_expr): Add cast to avoid signed warning.
6763 (store_field): Likewise.
6764 (store_constructor_field): Likewise.
6765 (store_constructor): Likewise.
6766 (store_expr): Likewise.
6767 (clear_storage): Likewise.
6768 (emit_group_store): Likewise.
6769 (emit_group_load): Likewise.
6771 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6773 * c-common.c: Move format checking code to ...
6774 * c-format.c: ... here. New file. Reorder some functions and
6776 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6778 * c-common.h (decl_handle_format_attribute,
6779 decl_handle_format_arg_attribute): Declare.
6780 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6781 (c-common.o): Adjust dependencies.
6782 (c-format.o): New list of dependencies.
6784 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6786 * unroll.c (loop_iterations): If we cannot prove iteration variable
6787 is set once in each iteration, punt.
6789 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6791 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6792 (*strlenhi): Remove clobber (which was buggy) of output address.
6794 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6796 * Makefile.in (generated-manpages): Add gcc.1
6797 ($(srcdir)/gcc.1): New target.
6798 (maintainer-clean): Delete $(srcdir)/gcc.1.
6799 * gcc.texi: Add macros @gccoptlist and @gol.
6800 * invoke.texi: Include option summary in manpage. Mark up option
6801 summary with @gccoptlist and @gol. Use @r in one place where
6803 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6804 * gcc.1: Generate from invoke.texi.
6806 2001-01-13 Richard Henderson <rth@redhat.com>
6808 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6809 (struct page_entry): Add group member.
6810 (struct page_group): New.
6811 (struct globals): Add page_groups member.
6812 (alloc_anon): Only define for using mmap; remove valloc call.
6813 (page_group_index): New.
6814 (set_page_group_in_use): New.
6815 (clear_page_group_in_use): New.
6816 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6817 (free_page, release_pages): Likewise.
6818 * configure.in (with-gc): Default to ggc-page always.
6820 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6822 * reload1.c (replace_pseudos_in_call_usage): Use
6823 reg_equiv_constant and reg_equiv_address, and don't try
6824 regno_reg_rtx first.
6826 2001-01-13 Richard Henderson <rth@redhat.com>
6828 * ggc-page.c (alloc_page): Round up allocation size to one page.
6829 Set e->order on extra pages.
6831 2001-01-13 Richard Henderson <rth@redhat.com>
6833 * genrecog.c (nodes_identical): Expand commentary.
6834 (write_switch): Watch out for identical nodes.
6836 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6838 * cppfiles.c (_cpp_fake_include): New function.
6839 * cpphash.h (_cpp_fake_include): New.
6840 * cpplib.c (do_line): Call _cpp_fake_include when entering
6841 header files in preprocessed input.
6842 * cppmain.c (cb_pragma_implementation): Remove handling.
6843 (setup_callbacks): Don't register pragmas.
6845 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6847 * extend.texi: Udate for CPP.
6849 2001-01-13 Andreas Jaeger <aj@suse.de>
6851 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6853 * regmove.c: Add prototype for replace_in_call_usage.
6855 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6857 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6858 struct cpp_chunk, struct htab, struct toklist,
6859 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6860 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6861 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6862 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6863 (struct macro_args): Delete.
6864 * cpphash.h: See above.
6866 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6868 * cppmain.c (struct printer): Remove no_line_dirs.
6870 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6871 : Use options rather than CPP_OPTION.
6872 (setup_callbacks): Use cb rather than pfile->cb.
6873 (main): No need to check for a buffer. Use cpp_errors.
6874 (printer_init): Don't set no_line_dirs.
6875 (maybe_print_line): Use options not no_line_dirs.
6876 (cb_file_change): Don't call print_line if -P.
6878 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6880 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6882 * c-parse.in (finish_parse): Use cpp_errors.
6883 (__yylex): Use return value of cpp_pop_buffer.
6884 * cp/lex.c (finish_parse): Use cpp_errors.
6885 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6887 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6889 * README.AVR: URLs corrected.
6891 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6893 * c-decl.c (start_function): Don't warn if old prototype is builtin
6894 that's not in C's namespace.
6895 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6896 (_bb): Add prototype for ctime.
6897 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6899 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6901 * i386.c (ix86_fp_comparison_arithmetics_cost,
6902 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6903 ix86_fp_comparison_cost): New functions.
6904 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6905 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6906 two-branch sequences; make static.
6907 (ix86_use_fcomi_compare): Do decision according to the costs.
6908 (split_fp_branch): New.
6909 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6910 * i386-protos.h (ix86_expand_fp_compare): Remove
6911 (ix86_split_fp_branch): Declare.
6913 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6914 and ix86_comparison_operator.
6916 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6919 * i386.c (put_condition_code): Output properly the unordered/ordered
6920 compares in fp case.
6921 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6923 * tm.texi (REVERSE_CONDITION): Document.
6924 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6925 in -ffast-math mode.
6926 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6928 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6930 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6932 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6935 * config/sh/sh.c (mova_p): Fix test for mova_const.
6937 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6939 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6940 cpp_get_options rather than dereferencing pfile and using
6942 * scan-decls.c (scan_decls): Use return value of
6943 cpp_pop_buffer rather than CPP_BUFFER.
6945 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6947 * cppinit.c (cpp_handle_option): help_only is now part of the
6948 cpp_options structure.
6949 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6950 cpp_set_callbacks): New functions.
6951 * cpplib.h (cpp_callbacks): Break out as a named structure.
6952 (cpp_options): Move help_only here from cpp_reader.
6953 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6954 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6955 cpp_set_callbacks): New prototypes.
6956 * cppmain.c (main): Update for help_only.
6958 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6960 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6961 Also build and remove and install and uninstall c-tree.info and
6963 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6964 ($(srcdir)/cppinternals.info): New target.
6965 * c-tree.texi: Change file name used when makeinfo used without -o
6966 from ir.info to c-tree.info. Add info directory entry.
6967 * cppinternals.texi: Add info directory entry.
6968 * .cvsignore: Update.
6970 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6972 * c-typeck.c (store_init_value): Don't require constant initializer
6973 elements with -pedantic -std=c99.
6974 (digest_init): Change error about non-constant initializer elements
6976 (constructor_range_end): Remove.
6977 (constructor_incremental, designator_depth,
6978 designator_errorneous): New variables.
6979 (struct constructor_stack): Remove range_end, add incremental.
6980 (struct constructor_range_stack, constructor_range_stack): New.
6981 (struct initializer_stack): Add constructor_range_stack.
6982 (finish_init): Set it.
6983 (start_init): Likewise. require_constant_elements for non-static
6984 trees only if not flag_isoc99.
6985 (really_start_incremental_init): Remove constructor_range_end, add
6986 constructor_incremental.
6987 (pop_init_level): Likewise.
6988 (push_init_level): Likewise. If implicit and the subobject had some
6989 value set already, preinitialize the level with it.
6990 Warn about missing braces only if not pushing due to designators.
6991 (set_designator, push_range_stack): New functions.
6992 (set_init_label): Use them.
6993 (set_init_index): Likewise. Remove constructor_range_end.
6994 Error if designator index is outside of array bounds.
6995 (add_pending_init): Compare values of purpose index trees, not the
6996 trees themselves. Allow overwriting of already initialized element.
6997 Issue a warning if it had side-effects.
6998 (set_nonincremental_init, set_nonincremental_init_from_string): New
7000 (pending_init_member): Rename to...
7001 (find_init_member): ...this function. Call set_nonincremental_init
7002 if necessary. Compare values of purpose index trees, not the trees
7003 themselves. Return the actual value, not just non-zero if something
7005 (output_init_element): Remove checks for duplicates.
7006 If field has zero size, only check the initializer for correctness.
7007 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7008 if constructor_incremental is zero. Change error about initializers
7009 not computable at load time into pedwarn.
7010 (output_pending_init_elements): Compare bit positions, not
7011 FIELD_DECLs to take into account zero-sized fields.
7012 (process_init_element): Use constructor_range_stack to fill all
7013 ranges in the designator lists from current level up.
7014 * extend.texi: Update documentation for labeled elements.
7016 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7018 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7019 to function usage for arguments passed by reference. Optimize
7020 callee-copied arguments.
7021 * regmove.c (replace_in_call_usage): New function.
7022 (fixup_match_1): Call it.
7023 * cse.c (cse_insn): Canonicalize registers in function usage.
7024 * reload1.c (replace_pseudos_in_call_usage): New function.
7027 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7030 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7032 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7035 2001-01-12 DJ Delorie <dj@redhat.com>
7037 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7038 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7041 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7043 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7044 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7045 -std options alongside references to -ansi. Update some
7046 documentation for C99.
7047 * cpp.1: Regenerate.
7049 2001-01-12 Andreas Jaeger <aj@suse.de>
7051 * haifa-sched.c (restore_line_notes): Remove argument block B
7053 * sched-ebb.c (schedule_ebb): Change caller.
7054 * sched-rgn.c (schedule_region): Likewise.
7055 * sched-int.h (restore_line_notes): Adjust prototype.
7057 * loop.h: Remove wrong declaration of doloop_condition_get.
7059 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7061 * extend.texi: Move C++-extension-related node from the C section
7062 into the C++ section.
7064 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7066 * extend.texi: Refer to an array of pointers to functions instead
7067 of one of functions.
7069 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7070 Jan Hubicka <jh@suse.cz>
7072 * combine.c (reversed_comparison): Fix typo in last patch.
7074 (combine_reversed_comparison_code): Make static to follow
7075 prototype declaration.
7077 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7079 * install.texi: Remove misplaced duplicate entry.
7081 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7083 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7085 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7087 * final.c: (leaf_function_p): Fix typo.
7089 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7091 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7092 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7094 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7095 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7096 mmap_anon, and valloc is available.
7097 * ggc-page.c: Restructure ifdef logic to match new autoconf
7098 spec. Don't throw away the test page in init_ggc.
7100 * configure, config.in: Regenerate.
7102 2001-01-12 Michael Hayes <mhayes@redhat.com>
7104 * loop.h (total_biv_increment): Constify iv_class pointer.
7105 (struct induction): Replace `mem_mode' with `mem' rtx.
7106 * unroll.c (total_biv_increment): Constify iv_class pointer.
7107 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7108 (find_mem_givs, combine_givs_p): Likewise.
7109 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7111 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7113 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7115 (__gthread_getspecific): Ditto.
7117 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7119 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7120 put_condition_code): Convert fp comparison codes to integer
7122 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7125 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7126 * i386-protos.h (no_comparison_operator): Kill.
7128 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7130 * combine.c (REVERSIBLE_CC_MODE): Remove.
7131 (reversible_comparison_p): Remove.
7132 (combine_reversed_comparison_code): New.
7133 (reversed_comparison): New.
7134 (combine_simplify_rtx): Use
7135 combine_reversed_comparison_code/reversed_comparison instead
7136 of reversible_comparison_p.
7137 (simplify_if_then_else): Likewise.
7138 (simplify_set): Likewise.
7139 (simplify_logical): Likewise.
7140 (if_then_else_cond): Likewise.
7141 (known_cond): Likewise.
7142 (simplify_comparison): Likewise.
7144 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7146 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7147 sizeof (int) is larger than sizeof(__word__).
7149 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7151 * cppinit.c (do_includes): Fix typo.
7153 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7155 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7156 in S_REGS does not occur because not all sources are possible
7157 when a S_REGS is a destination (sometimes needs a clobber).
7158 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7159 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7160 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7161 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7162 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7163 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7164 (lshrdi_const1, lshrsi3_const16): Likewise.
7165 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7166 (*movhi_68hc12, *movqi_68hc12): Likewise.
7167 (movstrictqi): Make sure reloading in D_REGS as a destination
7170 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7172 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7174 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7176 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7177 -D, -U and -A, and don't initialize the builtins.
7178 (do_includes): Error if -include or -imacros with -fpreprocessed.
7179 * cppmain.c (cb_define, cb_undef): Unconditionally process
7181 * tradcpp.c (main): Fix typo.
7183 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7185 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7186 (read_name_map): Use IS_ABSOLUTE_PATH.
7187 * tradcpp.c (get_filename): Likewise.
7189 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7191 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7192 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7193 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7194 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7195 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7196 (cmphi_z_used): Don't use '@' for the output.
7197 (tstqi_z_used): Likewise.
7198 (cmpqi_z_used): Likewise.
7199 (one_cmplsi2): Likewise.
7201 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7203 * config/sh/sh.c (barrier_align): Recognize branch around far
7204 branch and redundant insn.
7206 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7208 * invoke.texi: Restore documentation of the drivers' switches -MD
7211 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7213 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7215 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7216 check-objc//%): Support parallel testing of multilibs.
7217 (TESTSUITEDIR): Set to testsuite by default, but override for
7219 (check-gcc, check-g++, check-g77, check-objc): Enter
7222 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7224 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7225 * sched-deps.c (deps_may_trap_p): Likewise.
7226 * basic-block.h: Remove a comment.
7227 * flow.c (PROP_POSTRELOAD): Remove.
7228 (update_life_info): Don't add it to prop_flags.
7229 (mark_set_1): Lose the code that was enabled by it.
7231 2001-01-11 Michael Hayes <mhayes@redhat.com>
7233 * flow.c (flow_call_edges_add): New.
7234 * basic_block.h (flow_call_edges_add): New.
7236 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7238 * reload1.c (move2add_note_store): Update reg_set_luid even if
7239 base reg remains the same.
7241 2001-01-10 Nick Clifton <nickc@redhat.com>
7243 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7244 machine_function structure to zero.
7245 Add prototypes for machine_status functions.
7247 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7249 * c-common.h (CTI_VOID_LIST): Remove.
7250 (void_list_node): Likewise.
7251 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7252 (void_list_node): New macro.
7253 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7254 * config/i386/i386.c (ix86_init_builtins): Likewise.
7255 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7257 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7259 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7260 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7262 * tradcpp.c: Include mkdeps.h.
7263 (deps, print_deps_phony_targets, deps_append, output_deps,
7264 init_dependency_output, output_deps): New.
7265 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7266 deps_output): Delete.
7267 (print_deps_missing_files): Rename deps_missing_files.
7268 (inhibit_output): Make global.
7269 (main): Delete inhibit_output, deps_stream, deps_target.
7270 Use mkdeps functionality in the same way as cpplib. Remove
7271 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7272 -M and -MM. Remove old handling of deps via deps_out, and
7273 old reading of environment variables.
7274 (get_filename): Update to use deps_add_dep.
7276 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7278 * output.h (make_function_rtl): Remove prototype.
7279 (make_decl_rtl): Likewise.
7280 * varasm.c (make_function_rtl): Remove.
7281 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7282 than from a third parameter.
7283 * tree.h (make_decl_rtl): Remove last parameter.
7284 * c-decl.c (builtin_function): Remove last argument in call to
7285 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7286 (start_function): Likewise.
7287 * except.c (call_get_eh_context): Likewise.
7288 * expr.c (emit_block_move): Likewise.
7289 (clear_storage): Likewise.
7290 * profile.c (output_func_start_profiler): Likewise.
7291 * toplev.c (rest_of_decl_compilation): Likewise.
7292 * objc/objc-act.c (create_builtin_decl): Likewise.
7293 (synth_module_prologue): Likewise.
7294 (generate_static_reference): Likewise.
7295 (build_selector_reference_decl): Likewise.
7296 (build_class_reference_decl): Likewise.
7297 (build_objc_string_decl): Likewise.
7298 (build_protocol_reference): Likewise.
7300 2001-01-10 Richard Henderson <rth@redhat.com>
7302 * hwint.h: Revert yesterday's change.
7304 2001-01-10 Nick Clifton <nickc@redhat.com>
7306 * function.h (save_machine_status): Delete.
7307 (restore_machine_status): Delete.
7308 Amend comment describing {init|mark|free}_machine_status.
7310 * function.c (save_machine_status): Delete.
7311 (restore_machine_status): Delete.
7312 Amend comment describing {init|mark|free}_machine_status.
7313 (push_function_context_to): Remove invocation of
7314 save_machine_status.
7315 (pop_function_context_from): Remove invocation of
7316 restore_machine_status.
7318 * emit-rtl.c (init_emit_once): Amend comment describing
7319 {init|mark|free}_machine_status.
7321 * tm.texi (Per-Function Data): New node. Describe the
7322 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7325 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7327 * cppinit.c (OPT_g): Remove.
7328 (cpp_handle_option): Update for removed -g3.
7329 (print_help): Update.
7330 * cpplib.h (struct cpp_options): Remove debug_output.
7331 * cppmain.c (setup_callbacks, cb_define): Update.
7332 * gcc.c (cpp_options): Translate -g3 to -dD.
7334 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7336 * config/i960/i960.md: Change modifier to + on the zero_extract
7337 pattern after the (rotate -2 reg) canonicalization pattern.
7339 2001-01-10 Richard Henderson <rth@redhat.com>
7341 * config/alpha/alpha.c (alpha_free_machine_status): New.
7342 (override_options): Install it.
7343 (alpha_mark_machine_status): Verify machine non-null.
7344 * config/i386/i386.c (ix86_free_machine_status): New.
7345 (override_options): Install it.
7346 (ix86_init_machine_status): Use xcalloc.
7347 (ix86_mark_machine_status): Verify machine non-null.
7348 * config/ia64/ia64.c (ia64_free_machine_status): New.
7349 (ia64_override_options): Install it.
7350 (ia64_mark_machine_status): Verify machine non-null.
7352 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7354 * function.c (instantiate_virtual_regs): Instantiate virtual
7355 registers found in CALL_INSN_FUNCTION_USAGE.
7357 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7359 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7360 equivalent to -ansi in disabling -Di386.
7362 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7364 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7366 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7368 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7370 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7372 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7374 * invoke.texi: Document that -fcond-mismatch isn't supported for
7377 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7379 * gcc.texi: Define macro gcctabopt.
7380 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7381 @command, @env and @option in some places where appropriate. Use
7382 @gcctabopt where appropriate. Put URLs and email addresses inside
7385 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7387 * gcc.c (cpp_options): Set MD file name from output
7388 filename, if specified.
7389 (suffix_subst): New static variable.
7390 (do_spec): Clear it.
7391 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7393 (give_switch): Handle suffix_subst.
7395 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7397 * invoke.texi: Fix another typo.
7399 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7401 * invoke.texi: Fix typo.
7403 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7405 * c-lang.c (lang_hooks): Update.
7406 (lang_decode_option): Remove.
7407 (lang_init_options): Rename c_init_options.
7408 * toplev.c (main): Use lang_hooks for lang_init_options
7409 and lang_decode_option.
7410 * toplev.h (lang_hooks): Add 2 new hooks.
7411 * tree.h: Remove lang_init_options and lang_decode_option.
7412 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7413 * cp/decl2.c: Similarly.
7414 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7415 (lang_hooks): Update.
7416 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7418 (lang_init_options): Rename ffe_init_options.
7419 (lang_hooks): Update.
7420 (lang_decode_option): Remove.
7421 * java/lang.c (lang_init_options): Rename java_init_options.
7422 (lang_decode_option): Rename java_decode_option.
7423 (lang_hooks): Update.
7424 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7425 (lang_decode_option): Rename objc_decode_option.
7426 (lang_hooks): Update.
7428 2001-01-09 Nick Clifton <nickc@redhat.com>
7430 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7431 (d30v_return_addr_rtx): Delete.
7432 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7433 cfun->machine structure.
7434 (struct machine_function): Move to d30v.h
7435 (d30v_save_machine_status): Delete.
7436 (d30v_restore_machine_status): Delete.
7437 (d30v_init_machine_status): New Function.
7438 (d30v_mark_machine_status): New Function.
7439 (d30v_free_machine_status): New Function.
7440 (d30v_init_expanders): Use new functions.
7441 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7442 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7443 d30v_return_addr_rtx.
7445 * config/d30v/d30v.h (struct_machine): Move here.
7446 Add eh_epilogue_sp_ofs field.
7448 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7449 field in cfun->machine structure.
7451 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7453 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7454 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7455 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7457 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7459 * objc/lang-options.h: Remove bogus reference to
7462 2001-01-09 Kazu Hirata <kazu@hxi.com>
7464 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7467 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7469 * reload.c (find_reloads_address): Check for eliminable registers
7470 when substituting a constant expression for a pseudo.
7472 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7474 * c-common.c (enum format_type): Add format_type_error.
7475 (decode_format_type): New function.
7476 (decl_attributes): Use it.
7477 (format_kind_info): Adjust comment.
7479 2001-01-09 David O'Brien <obrien@BSDi.com>
7481 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7482 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7484 * config/i386/gnu.h: Don't include required platform specific .h files,
7485 tm.h will do it instead.
7486 * config/i386/i386elf.h: Likewise.
7487 * config/i386/linux.h: Likewise.
7488 * config/i386/moss.h: Likewise.
7489 * config/mips/gnu.h: Likewise.
7491 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7493 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7494 (rs6000-ibm-aix3.[01]*): Likewise.
7495 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7496 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7497 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7498 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7499 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7500 (powerpc-*-eabiaix*): Likewise.
7501 (powerpc-*-eabisim*): Likewise.
7502 (powerpc-*-elf*): Likewise.
7503 (powerpc-*-eabi*): Likewise.
7504 (powerpc-*-rtems*): Likewise.
7505 (powerpc-*-linux*libc1): Likewise.
7506 (powerpc-*-linux*): Likewise.
7507 (powerpc-wrs-vxworks*): Likewise.
7508 (powerpcle-wrs-vxworks*): Likewise.
7509 (powerpcle-*-sysv*): Likewise.
7510 (powerpcle-*-elf*): Likewise.
7511 (powerpcle-*-eabisim*): Likewise.
7512 (powerpcle-*-eabi*): Likewise.
7513 (powerpcle-*-solaris2*): Likewise.
7514 * config/rs6000/aix31.h: Delete includes.
7515 * config/rs6000/aix3newas.h: Likewise.
7516 * config/rs6000/aix41.h: Likewise.
7517 * config/rs6000/aix43.h: Likewise.
7518 * config/rs6000/beos.h: Likewise.
7519 * config/rs6000/rtems.h: Likewise.
7520 * config/rs6000/sysv4.h: Likewise.
7522 2001-01-09 Kazu Hirata <kazu@hxi.com>
7524 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7525 Change an argument mode of machine_mode to shift_mode of
7526 shift_mode. Remove an extra error check.
7527 (emit_a_shift): Adopt to the new calling prototype of
7529 (function_prologue): Fix code for a monitor
7530 function. Support H8/S.
7531 (function_epilogue): Do not output pop for a monitor function.
7533 2001-01-09 Nick Clifton <nickc@redhat.com>
7535 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7536 (setup_incoming_varargs): Use sysv_varargs_p field of the
7537 cfun->machine structure.
7538 (struct machine_function): Move to rs6000.h
7539 (rs6000_save_machine_status): Delete.
7540 (rs6000_restore_machine_status): Delete.
7541 (rs6000_init_machine_status): New Function.
7542 (rs6000_free_machine_status): New Function.
7543 (rs6000_init_expanders): Use new functions.
7545 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7547 (struct machine_function): Move here.
7549 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7550 sysv_varargs_p field of the cfun->machine structure.
7552 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7554 (rs6000_restore_machine_status): Remove prototype.
7556 2001-01-09 Richard Henderson <rth@redhat.com>
7558 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7559 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7560 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7561 (sched_analyze_2, sched_analyze_insn): Likewise.
7562 (sched_analyze, init_deps): Likewise.
7563 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7564 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7565 (compute_block_backward_dependences): Update propagate_deps call.
7567 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7569 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7571 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7573 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7574 (cpp_handle_option): Handle them.
7575 (cpp_post_options): Ensure one of -M or -MM is specified with
7576 any other -M? option.
7577 (init_dependency_output): Suppress output with -MG.
7579 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7582 * invoke.texi: Update.
7584 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7586 * sh.md (reload_outsf): Generate recognizable patterns for
7589 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7591 * c-lang.c (lang_hooks): Update.
7592 (lang_init): Rename c_init.
7593 (lang_finish): Remove.
7594 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7596 * toplev.h (lang_hooks): Add init () and finish ().
7597 * tree.h (lang_init, lang_finish): Remove.
7598 * cp/tree.h (lang_init, lang_finish): Remove.
7599 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7600 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7602 (lang_init, lang_finish): Remove.
7603 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7604 (lang_hooks): Update.
7605 * java/lang.c (lang_init): Rename java_init.
7606 (lang_finish): Remove.
7607 (lang_hooks): Update.
7608 * objc/objc-act.c (lang_init): Rename objc_init.
7609 (lang_finish): Remove.
7610 (lang_hoooks): Update.
7612 20001-01-09 Graham Stott <grahams@redhat.com>
7614 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7615 after `ptr` is initialised.
7617 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7619 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7620 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7621 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7622 stack adjusts, instead of r3.
7624 2001-01-09 Michael Hayes <mhayes@redhat.com>
7626 * flow.c (flow_loop_scan): Break out of ...
7627 (flow_loops_find) ... here.
7628 * basic-block.h (flow_loop_scan): New.
7629 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7630 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7632 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7634 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7636 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7637 realloc()ing macro_buffer.
7639 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7640 if it's wider than long and the target's long is wider than the
7643 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7645 Remove support for using UWIN as a host machine.
7646 * configure.in: Issue an error message.
7647 * configure: Regenerated.
7648 * config.gcc: Remove xm_* UWIN configury.
7649 * config/i386/xm-uwin.h: Remove.
7651 2001-01-08 Nick Clifton <nickc@redhat.com>
7653 * config/v850/v850.c (ra_rtx): Delete.
7654 (v850_save_machine_status): Delete.
7655 (v850_restore_machine_status): Delete.
7656 (v850_init_machine_status): New function.
7657 (v850_mark_machine_status): New function.
7658 (v850_free_machine_status): New function.
7659 (v850_return_addr): Use ra_rtx field in machine structure.
7660 (v850_init_expanders): Use new functions.
7662 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7663 * config/v850/v850.c: Change arguments to v850_output+* functions
7664 to take a const char *, to avoid compile time warning.
7665 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7666 (USER_LABEL_PREFIX): Redefine.
7668 2000-01-08 Jim Wilson <wilson@redhat.com>
7670 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7671 1 to unsigned HOST_WIDE_INT before left shift.
7673 2001-01-08 Nick Clifton <nickc@redhat.com>
7675 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7676 the machine structure has been allocated.
7677 (arm_free_machine_status): New function: Free the machine
7678 specific function structure.
7680 2001-01-08 Richard Henderson <rth@redhat.com>
7682 * jump.c (simplejump_p): Revert last change.
7684 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7686 * cppinit.c (init): Rename init_library.
7687 (cpp_create_reader): Update.
7688 * gcc.c (cpp_options): If -o given, use it as the target of
7691 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7693 * arm.c (arm_arch5e): New variable.
7694 (all_cores): XScale is a 5TE device.
7695 (arm_override_options): Set arm_arch5e.
7696 (arm_init_builtins): __builtin_prefetch is in arch5e.
7697 * arm.h (arm_arch5e): Declare it.
7699 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7701 * arm.md (define_constants): Add defines for UNSPEC and
7702 UNSPEC_VOLATILE insns. Update all users.
7703 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7704 * arm.c (multi_register_push, note_invalid_constants)
7705 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7706 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7707 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7709 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7711 * jump.c (jump_optimize_1): Use reversed_comparison_code
7712 instead of can_reverse_comparison_p.
7713 (jump_back_p): Likewise.
7714 (invert_exp_1): Likewise.
7715 (thread_jumps): Likewise.
7716 * simplify-rtx.c (simplify_unary_operation): Likewise.
7717 (simplify_ternary_operation): Likewise.
7718 * cse.c (find_comparison_args): Convert to use
7719 can_reverse_comparison_p.
7720 (record_jump_equiv): Likewise.
7722 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7724 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7725 (EPILOGUE_USES): Define.
7726 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7727 automatically stack the LR if it isn't live.
7729 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7731 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7734 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7736 * ggc-page.c (max_alignment): New structure.
7737 (MAX_ALIGNMENT): New macro.
7738 (init_ggc): Use it to round up the sizes in the
7739 extra_order_size_table.
7741 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7743 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7746 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7748 * builtins.def (BUILT_IN_FPRINTF): New entry.
7750 * c-common.c (c_expand_builtin_fprintf): New function.
7751 (init_function_format_info): Handle __builtin_fprintf.
7752 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7753 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7755 * c-decl.c (duplicate_decls): Adjust comment.
7757 * extend.texi (fprintf): Document new builtin.
7759 2001-01-07 Richard Henderson <rth@redhat.com>
7761 * jump.c (simplejump_p): Recognize any single_set jump
7764 2001-01-07 Richard Henderson <rth@redhat.com>
7766 * configure.in (slibdir): Accept an --with-slibdir option.
7767 Use "test" not "[" in configure. Default to $(libdir).
7769 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7771 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7772 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7773 (SHLIB_LINK): Create links for the soname.
7774 * config/mips/t-iris6: Likewise.
7775 * config/sparc/t-slibgcc: Likewise.
7776 * config/sparc/t-slibgcc-sld: Likewise.
7778 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7780 * config/i386/i386.c (constant_call_address_operand): Accept
7781 (const (plus (symbol_ref) (const_int))).
7782 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7783 constant_call_address_operand.
7785 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7787 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7788 and LONG_LONG_TYPE_SIZE > 32.
7790 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7792 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7793 the previous change.
7795 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7797 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7799 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7800 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7801 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7804 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7806 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7808 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7810 * c-lang.c (c_post_options): Call cpp_post_options.
7811 * objc/objc-act.c (objc_post_options): Similarly.
7812 * cppmain.c (main): Similarly.
7813 * fix-header.c (read_scan_file): Similarly.
7814 * cppinit.c (cpp_start_read): Move option consistency checks
7815 to cpp_post_options. Don't call init_dependency_output.
7816 If needed, add default target and main file dependency.
7817 (OPT_MD, OPT_MMD): Remove.
7819 (cpp_handle_option): Update for OPT_* changes.
7820 (cpp_post_options): New.
7821 (init_dependency_output): Command line -MF overrides environment
7822 variables. Don't set default target etc. Suppress output
7823 if dependencies are going to stdout.
7824 (print_help): Update.
7825 * cpplib.h (cpp_post_options): New.
7826 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7828 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7830 * jump.c (comparison_dominates_p): Support unordered compares.
7832 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7834 * simplify-rtx.c (simplify_relational_operation): Always simplify
7835 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7838 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7840 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7841 (nonzero_bits): Likewise.
7842 (simplify_comparison): Likewise.
7843 (num_sign_bit_copies): Likewise; return more sane value depending
7844 on STORE_FLAG_VALUE.
7845 (known_cond): Do not assume EQ to be always true for equivalent
7848 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7850 * cse.c (fold_rtx): Handle unordered comparisons.
7852 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7854 * rtlanal.c (set_of_1): New static function.
7855 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7856 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7857 reg_set_last_last_regno): Remove.
7858 (set_of): New global function.
7859 (set_of_data): New structure.
7860 (reg_set_p, reg_set_last): Revamp for set_of.
7861 * rtl.h (set_of): New.
7863 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7865 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7866 * extend.texi: Document _Exit builtin.
7868 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7870 * (initialize, initialize_builtins,
7871 initialize_dependency_output, initialize_standard_includes):
7872 Rename s/initialize/init. Update.
7873 (init_dependency_output): Move to after
7874 cpp_handle_options, the correct location temporally at least.
7875 (opt_comp): Move next to init (), its caller. Fix prototype.
7876 (init): Make "initialized" local scope.
7877 (cpp_create_reader): Always call init ().
7878 (cpp_start_read): Update.
7879 (output_deps): New function, broken out of cpp_finish.
7880 (cpp_finish): Break out output_deps.
7882 2001-01-07 Richard Henderson <rth@redhat.com>
7884 * collect2.c (COFF specific stuff): Revert 12-06 patch
7885 to prototype system functions.
7887 2001-01-07 Michael Hayes <mhayes@redhat.com>
7889 * hard-reg-set.h: Add multiple include guard.
7890 * basic-block.h (struct loop): Add `sink' field.
7891 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7892 (emit_iv_add_mult): Delete.
7893 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7894 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7895 (unroll_loop): Remove end_insert_before argument.
7896 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7897 (maybe_eliminate_biv_1): Likewise.
7898 (emit_iv_add_mult): Delete.
7899 (gen_add_mult, loop_regs_update): New.
7900 (loop_insn_emit_after, loop_insn_emit_before): New.
7901 (loop_insn_sink, loop_insn_sink_or_swim): New.
7902 (emit_iv_add_mult): Delete.
7903 (scan_loop): Set loop->sink.
7904 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7905 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7906 (maybe_eliminate_biv_1): Likewise.
7907 (maybe_eliminate_biv_1): Add basic block argument.
7908 * unroll.c (unroll_loop): Remove end_insert_before argument.
7909 (find_splittable_regs): Likewise.
7910 (find_splittable_regs): Use loop_insn_sink and its ilk.
7911 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7913 2001-01-07 Michael Hayes <mhayes@redhat.com>
7915 * loop.h (loop_insn_hoist): New prototype.
7916 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7917 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7918 (check_dbra_loop, load_mems): Likewise.
7919 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7920 (find_splittable_givs): Likewise.
7922 2001-01-07 Michael Hayes <mhayes@redhat.com>
7924 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7926 2001-01-07 Richard Henderson <rth@redhat.com>
7928 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7930 2001-01-07 Richard Henderson <rth@redhat.com>
7932 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7933 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7934 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7935 variant that handles a shared libgcc.
7936 (process_command): Always validate -{static,shared}-libgcc.
7937 (do_spec_1): New 'M' case.
7938 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7940 2001-01-07 Richard Henderson <rth@redhat.com>
7942 * Makefile.in (slibdir): New variable.
7943 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7944 (installdirs): Create slibdir.
7945 (install-libgcc, install-multilib): Defer to libgcc.mk.
7946 * configure.in (slibdir): Substitute.
7947 * mklibgcc.in (install): New target.
7949 * config/t-linux (SHLIB_LINK): Create links for the soname.
7950 (SHLIB_INSTALL): New.
7951 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7952 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7953 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7954 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7955 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7957 2001-01-07 Richard Henderson <rth@redhat.com>
7959 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7960 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7961 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7963 2001-01-07 Michael Hayes <mhayes@redhat.com>
7965 * loop.c (count_loop_regs_set): Delete.
7966 (load_mems_and_recount_loop_regs_set): Delete.
7967 (loop_regs_scan): Merge common code from count_loop_regs_set,
7968 scan_loop, and load_mems_and_recount_loop_regs_set.
7969 (scan_loop): Call load_mems directly and loop_regs_scan
7970 again if new registers created.
7972 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7974 * toplev.c (main): Call the front-end specific post_options
7975 hook if one is given.
7976 * toplev.h (struct_lang_hooks, lang_hooks): New.
7977 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7978 for the C front end.
7979 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7980 lang_hooks for the C++ front end.
7981 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7982 lang_hooks for the ObjC front end.
7983 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7984 * java/lang.c (lang_hooks): Hooks for the Java front end.
7986 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7988 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7989 for verbose DWARF[2] debugging.
7990 (cb_define, cb_undef): The new callbacks.
7991 * toplev.h (debug_define, debug_undef): Make const correct.
7992 * toplev.c (debug_define, debug_undef): Similarly. Do not
7993 perform the verbosity tests here anymore.
7995 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7997 * reload.c (subst_reloads): Take INSN argument. When
7998 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7999 * reload.h (subst_reloads): Adjust prototype.
8000 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8001 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8002 present in JUMP_INSNs and copy them to JUMP_LABEL.
8003 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8004 JUMP_INSNs and insns with REG_LABELs that are followed by
8005 JUMP_INSNs with the same REG_LABEL.
8006 * sched-rgn.c (is_cfg_nonregular): Likewise.
8007 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8009 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8011 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8013 2001-01-06 Richard Henderson <rth@redhat.com>
8015 * loop.c (scan_loop): Use xcalloc for the regs array.
8016 (load_mems_and_recount_loop_regs_set): Zero the new memory
8017 received from xrealloc.
8019 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8021 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8023 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8025 * integrate.c (copy_rtx_and_substitute): When copying
8026 an ignored return value, strip REG_FUNCTION_VALUE_P.
8028 2001-01-06 Michael Hayes <mhayes@redhat.com>
8030 * loop.c (debug_biv, debug_giv): New.
8031 (loop_biv_dump): Break out from ...
8032 (record_biv): ... here.
8033 (loop_giv_dump): Break out from ...
8034 (record_giv): ... here.
8035 (loop_bivs_check): Use print_simple_rtl.
8036 * unroll.c (loop_iterations): Use print_simple_rtl.
8038 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8040 * pa.md (return, return_internal): Modify patterns to prevent regrename
8041 mucking with the return pointer.
8043 2001-01-05 Richard Henderson <rth@redhat.com>
8045 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8047 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8049 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8050 version supplied by Matteo Frigo.
8052 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8054 * cpp.texi: Update for -MQ.
8055 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8056 (cpp_cleanup): Always free pfile->deps.
8057 (initialize_dependency_output): Don't create pfile->deps.
8058 (cpp_handle_option): Similarly.
8060 * gcc.c (cpp_options): Handle -MQ.
8061 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8062 * mkdeps.c (base_name): Remove.
8063 (deps_init): Don't allocate vector space until it's needed.
8064 (deps_free): Only free vectors if allocated.
8065 (deps_add_target, deps_add_dep): Update for initial allocation.
8066 (deps_add_default_target): Don't strip to the base_name.
8068 2001-01-05 DJ Delorie <dj@redhat.com>
8070 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8071 (INIT_EXPANDERS): Define.
8073 * config/v850/v850.c (struct machine_function): Define.
8074 (v850_save_machine_status): New function.
8075 (v850_restore_machine_status): New function.
8076 (v850_return_addr): New function.
8077 (v850_init_expanders): New function.
8079 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8080 and v850_init_expanders.
8082 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8084 * cpplib.h (struct cpp_reader): Add help_only field.
8085 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8086 (cpp_handle_option): Set pfile->help_only if we see -h,
8087 --help, -target-help, or --version. Print version string but
8088 do not set help_only if we see -v or -version. Make text
8089 printed by -v match that printed by (-)-version.
8091 * cppmain.c (main): Exit after option parsing if
8092 pfile->help_only is true.
8094 * toplev.c (independent_decode_option): Call print_version,
8095 then exit, if we see --version (but not -version).
8096 (print_version): Split lengthy message into two lines.
8098 2001-01-05 Nick Clifton <nickc@redhat.com>
8100 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8101 temporary string for initialisation before calling ggc_alloc_string.
8103 2001-01-06 Michael Hayes <mhayes@redhat.com>
8105 * rtl.h (print_simple_rtl): New.
8106 * print-rtl.c (print_simple_rtl): New.
8108 (print_rtx): Disable printing of flags and modes, etc.,
8109 if `flag_simple` nonzero.
8111 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8113 * function.c (fixup_var_refs): Use push_to_full_sequence where
8116 2001-01-05 Michael Meissner <meissner@redhat.com>
8118 * flags.h (flag_reorder_blocks): Add declaration.
8119 (flag_rename_block): Ditto.
8121 2001-01-05 DJ Delorie <dj@redhat.com>
8123 * function.c (reorder_blocks): Make sure the flags are all reset
8124 before using them to mark blocks, else a second invocation will
8125 corrupt the block chain.
8126 (reorder_blocks_0): New, resets the flags.
8128 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8130 * cse.c (find_comparison_args): Stop if the argument is known to
8133 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8135 * config/sh/sh.md (movdf): When splitting load into pair of
8136 registers, don't clobber the register used in the address too
8139 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8141 * varasm.c (mark_constant_pool): Improve initial comments.
8142 (mark_constants): Move marking of constants to mark_constant.
8143 (mark_constant): New function to recursively mark all constants
8144 referred to by a constant.
8146 2001-01-05 Catherine Moore <clm@redhat.com>
8148 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8150 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8152 * cp/lang-options.h: Bring comment in line with reality.
8153 * f/lang-options.h: Likewise.
8154 * java/lang-options.h: Likewise.
8155 * objc/lang-options.h: Likewise.
8156 * ch/lang-options.h: Likewise.
8157 * f/g77.texi: And update the manual.
8159 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8160 Denis Chertykov <denisc@overta.ru>
8162 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8163 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8164 * config/avr/avr.md (all peepholes that request a scratch register):
8165 Call it, FAIL the peephole if not safe (in interrupt functions).
8167 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8169 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8171 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8173 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8175 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8176 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8177 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8178 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8179 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8181 * extend.texi: Document these builtins.
8183 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8185 * c-common.c (lang_get_alias_set): Say we know nothing of
8186 VECTOR_TYPE aliasing.
8188 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8190 2001-01-05 Bruce Korb <bkorb@gnu.org>
8192 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8193 their x* equivalent versions for atexit-less systems
8194 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8195 systems (or any other system any more).
8197 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8199 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8200 output operands. Use arm_hard_register_operand for operand 4.
8201 (stmsi_postinc): Similarly.
8202 (ldmsi): Use arm_hard_register_operand for opernand 2.
8204 * arm.c (arm_hard_register_operand): New function.
8205 * arm-protos.h (arm_hard_register_operand): Prototype it.
8207 * arm.h (HARD_REGNO_RENAME_OK): Define.
8209 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8211 * simplify-rtx.c (cfc_args): add "unordered" field.
8212 (check_fold_consts): Set unordered field.
8213 (simplify_relational_operation): Simplify the unordered
8216 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8219 * emit-rtl.c (try_split): Fix code to mark labels.
8220 * jump.c (mark_jump_label): Make global.
8221 * rtl.h (mark_jump_label): Declare.
8223 * predict.c (estimate_probability): Handle unordred comparisons.
8225 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8227 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8228 * cppinit.c (initialize_dependency_output): Update.
8229 (cpp_finish): Output dummy targets for -MP.
8231 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8232 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8233 * gcc.c (cpp_options): Update to handle -MP.
8234 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8235 to quote only the default target.
8236 (deps_phony_targets): Insert a preceding newline. Rename from
8237 deps_dummy_targets for consistency.
8240 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8242 * calls.c (emit_library_call_value_1): Support
8243 INIT_CUMULATIVE_LIBCALL_ARGS.
8244 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8246 2001-01-04 Richard Henderson <rth@redhat.com>
8248 * c-decl.c (finish_struct): Detect flexible array members
8249 used in an inappropriate context.
8250 * c-typeck.c (really_start_incremental_init): Special case
8251 constructor_max_index for zero length arrays.
8252 (pop_init_level): Allow initialization of flexible array
8253 members. Deprecate initialization of zero length arrays.
8254 Don't issue missing initializer warning for flexible array
8255 members or zero length arrays.
8256 (process_init_element): Don't dereference null DECL_SIZE.
8257 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8258 Don't abort for empty constructors. Use size_binop
8259 (output_constructor): Add commentary regarding zero length
8260 array futures. Abort if we try to initialize an array of
8261 unspecified length with a non-empty constructor in the middle
8264 * extend.texi (Zero Length): Update and clarify documentation
8265 on static initialization.
8267 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8269 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8270 with more than 32767 words of local storage.
8272 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8274 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8275 for 'abs', 'labs', and 'fabs'.
8276 (c4x_expand_builtin): Likewise.
8277 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8279 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8281 * config/sh/sh.md (prget, prset): New insn types.
8282 (return delay slot): Dont' allow prset.
8283 (call, sfunc delay slot): Don't allow prget.
8284 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8285 for prset and prget.
8287 2001-01-05 Michael Hayes <mhayes@redhat.com>
8289 * loop.h (struct loop_reg): New.
8290 (struct loop_regs): Change to use array of `struct loop_reg'.
8291 * loop.c: Replace assortment of varrays with single regs array.
8292 (count_one_set): Delete may_not_move array argument
8293 and use regs array instead. All caller's changed.
8294 (count_loop_regs_set): Delete may_not_move and single_usage
8295 arguments and use regs array instead. All caller's changed.
8296 (find_single_use_in_loop): Replace usage array argument with pointer
8297 to regs structure. All caller's changed.
8298 (loop_optimize): Delete `moved_once' array.
8300 2001-01-05 Michael Hayes <mhayes@redhat.com>
8302 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8303 Use it instead of loop_info->has_call for scanning loop mems.
8304 (check_dbra_loop): Replace loop_info->has_call test with
8305 loop_info->has_nonconst_call.
8307 2000-01-04 Matthew Hiller <hiller@redhat.com>
8309 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8312 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8314 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8315 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8317 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8319 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8320 (flag_short_double, flag_short_wchar): Define.
8321 (c_common_nodes_and_builtins): Create many tree nodes shared
8322 between C and C++ here instead of in cp/decl.c and ...
8323 * c-decl.c (init_decl_processing): ... here.
8324 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8325 (flag_short_double, flag_short_wchar): Don't define.
8326 (record_builtin_type): New function.
8327 (build_void_list_node): New function.
8328 * c-common.h (flag_short_double, flag_short_wchar,
8329 record_builtin_type, build_void_list_node): Declare.
8331 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8333 * integrate.c (expand_inline_function): Don't put a virtual
8334 register into the reg map.
8336 * function.c (fixup_var_refs_1): If force_operand didn't put
8337 the address into the target, move it there.
8339 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8341 Special-case tree_decl/tree_list allocations.
8342 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8343 (OBJECT_SIZE): New macro.
8344 (NUM_EXTRA_ORDER): Likewise.
8345 (extra_order_size_table): New variable.
8346 (NUM_ORDERS): New macro.
8347 (objects_per_page_table): New variable.
8348 (object_size_table): New variable.
8349 (G.pages): Use NUM_ORDERS to bound the array.
8350 (G.page_tails): Likewise.
8351 (DIV_ROUND_UP): Remove.
8352 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8353 (alloc_page): Use OBJECT_SIZE.
8354 (size_lookup): Don't make it const.
8355 (ggc_alloc): Use OBJECT_SIZE.
8356 (ggc_set_mark): Likewise.
8357 (ggc_get_size): Likewise.
8358 (init_ggc): Set up the object_size_table, objects_per_page_table,
8359 and adjust size_lookup.
8360 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8361 (ggc_pop_context): Use NUM_ORDERS.
8362 (clear_marks): Likewise.
8363 (sweep_pages): Likewise.
8364 (poison_pages): Likewise.
8365 (ggc_print_statistics): Use OBJECT_SIZE.
8367 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8369 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8370 Only call array_size_for_constructor if last field and array type
8371 with no upper bound.
8373 2001-01-04 Philip Blundell <philb@gnu.org>
8375 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8376 from bit 31 downwards, if this requires no more insns.
8377 (count_insns_for_constant): New helper function for above.
8379 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8381 * gencodes.c (output_predicate_decls): Remove empty initializer.
8383 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8385 * tree.c (copy_node): Remove documentation about obstacks.
8386 (buidl1): Check that nobody tries to build 2-argument nodes this
8389 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8391 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8394 * gencodes.c (output_predicate_decls): Fill empty initializer
8397 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8399 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8400 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8402 (do_include): Handle missing headers like cpp0.
8403 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8404 paths with first include pathname. Don't strcat to uninitialized
8407 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8409 * regrename.c (regrename_optimize): Don't rename from frame pointer
8410 if frame_pointer_needed.
8411 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8412 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8413 (ia64_reorg): Use it instead of scheduling if ! optimize.
8414 (errata_emit_nops): Properly call asm_noperands.
8415 (ia64_sched_reorder): Finish cycle if we see an asm.
8416 (ia64_variable_issue): Clear scheduling state after asms.
8418 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8420 * cpp.texi: Update for -MT.
8421 * cppinit.c (initialize_dependency_output): Add a default
8422 target if none has been given already.
8423 (no_tgt, OPT_MT): New.
8424 (cpp_handle_option): Handle -MT. Update -M etc.
8425 * cpplib.h (struct cpp_options): Remove deps_target.
8426 * gcc.c (cpp_options): Handle -MT.
8427 * mkdeps.c (struct deps): Move from mkdeps.h.
8428 (deps_calc_target): Rename deps_add_default_target. Add a
8429 default target if none has been specified already.
8430 * mkdeps.h (struct deps): Move to mkdeps.c.
8431 (deps_calc_target): Rename deps_add_default_target.
8433 2000-01-03 Richard Henderson <rth@redhat.com>
8435 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8437 * c-typeck.c (push_init_level): Move checks for flexible array
8438 members and zero length arrays ...
8439 (pop_init_level): ... here. Silently discard empty initializations.
8441 * varasm.c (output_constructor): Update for sizeof change to
8444 * extend.texi (Zero Length): Clarify semantics.
8446 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8448 * configure.in (tm.h): Include isns-codes.h last.
8449 * configure: Rebuilt.
8451 2001-01-03 Richard Henderson <rth@redhat.com>
8453 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8454 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8456 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8458 * tradcpp.c (main): Make sure finclude() is called with a valid
8459 indepth value while handling -include.
8461 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8463 * gencodes.c (output_predicate_decls): New function.
8465 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8466 even if it is not the first time machmode.h is #included.
8467 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8468 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8469 * gcc.texi (Copyright): Added 2001.
8471 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8473 * c-common.c (c_common_lang_init): New function. Warn if format
8474 warning options which only have effects when used with -Wformat
8475 are used without -Wformat.
8476 * c-common.h (c_common_lang_init): Declare.
8477 * c-lang.c (lang_init): Call c_common_lang_init.
8478 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8480 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8482 * configure.in: Check for the mktemp command.
8483 * configure: Regenerate.
8484 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8485 $TEMP. Create temporary files with mktemp, if available at
8486 configure time; otherwise use set -C. Remove temporary files
8489 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8491 * configure.in: Require at least texinfo 4.0. Check for whether
8492 Pod::Man is sufficiently recent to regenerate GCC manpages.
8493 * configure: Regenerate.
8494 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8496 (GENERATED_MANPAGES): Define.
8497 (generated-manpages): New target. Depend on cpp.1 as well as
8499 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8500 configure to generated-manpages or empty) rather than on the
8501 manpages directly. Remove execute permission from installed
8502 gcov.1 as well as cpp.1.
8503 * cpp.1, gcov.1: Regenerate.
8505 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8507 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8508 tree_low_cst. Allow using cmpstrsi in more cases.
8510 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8512 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8515 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8517 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8518 * Makefile.in (HOST_CFLAGS): Mention build-make.
8520 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8522 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8525 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8527 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8530 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8533 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8534 reg_base_value and reg_known_value arrays.
8535 (init_alias_analysis): Add more cases to detect known values.
8536 * sched-deps.c (deps_may_trap_p): New function.
8537 (sched_analyze_2): Use it.
8539 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8541 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8542 don't discard an ASHIFTRT if we're shifting in a wider mode.
8544 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8546 * toplev.c (rest_of_compilation): Don't print basic block information
8547 when CFG isn't up to date.
8549 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8551 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8552 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8553 (UNALIGNED_SHORT_ASM_OP): Define.
8554 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8556 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8558 * fold-const.c (fold_convert): Fix typo.
8560 2001-01-02 Richard Henderson <rth@redhat.com>
8562 * c-common.h (ASM_INPUT_P): New.
8563 * c-parse.in (asm): Set it when needed.
8564 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8565 existance of an operand.
8567 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8569 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8570 (dwarf2out_frame_debug_expr): Likewise.
8571 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8573 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8575 * i386.c (ix86_split_to_parts): Return number of part required;
8577 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8579 (ix86_split_long_move): Use number of part returned
8580 by ix86_split_to_parts
8581 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8583 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8584 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8585 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8586 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8587 (ALIGN_MODE_128): Add TFmode.
8588 (IS_STACK_MODE): Likewise.
8589 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8590 (HARD_REGNO_OK): Support TFmodes.
8591 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8592 * i386.md (scheduler definitions): Use memory operand to determine
8593 fst/fld instructions; use mode attribute to determine real mode of
8595 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8596 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8598 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8600 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8602 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8604 * expr.c (store_constructor_field): Update ALIGN before calling
8607 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8609 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8612 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8614 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8617 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8619 * c-decl.c (start_function): Don't warn on third parameter to main.
8621 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8623 * tsystem.h: Define HAVE_DECL_GETOPT.
8625 2001-01-02 Philip Blundell <pb@futuretv.com>
8627 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8630 2001-01-02 Richard Henderson <rth@redhat.com>
8632 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8634 2001-01-02 Andreas Jaeger <aj@suse.de>
8636 * c-decl.c (c_decode_option): Remove support of
8639 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8640 (W_options): Add -Wmissing-noreturn here.
8642 * flow.c: Define lang_missing_noreturn_ok_p.
8643 (check_function_return_warnings): Use it.
8645 * c-common.h: Declare lang_missing_noreturn_ok_p.
8647 * c-lang.c (c_missing_noreturn_ok_p): New function.
8648 (lang_init): Set lang_missing_noreturn_ok_p.
8650 * invoke.texi (Warning Options): Document this.
8652 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8654 * extend.texi (C++ Extensions): New node for C++ attributes;
8655 describe init_priority and com_interface.
8656 * invoke.texi: Remove -finit-priority as it now has zero effect.
8657 * install.texi: Fix xref syntax.
8658 * md.texi: Likewise.
8660 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8662 * config.gcc (sparc64-wrs-vxworks*): New case.
8663 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8665 * config/sparc/sparc.c (sparc_override_options): Do support different
8666 pointer and architecture size.
8667 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8668 (POINTERS_EXTEND_UNSIGNED): Define.
8669 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8670 (FUNCTION_MODE): Define to be Pmode.
8671 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8673 * function.c (expand_function_end): Properly handle DECL_RESULT
8674 and copy when ptr_mode != Pmode.
8675 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8677 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8679 * c-common.c (c_common_nodes_and_builtins): Set prototype
8680 parameters for __builtin_fputs, __builtin_fputc and
8681 __builtin_fwrite. Don't declare plain fputc as a builtin.
8683 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8685 * loop.c (add_label_notes): Increment the label usage count when
8686 a note is added to an insn which refers to a CODE_LABEL.
8687 * gcse.c (add_label_notes): Likewise.
8689 2001-01-01 Andreas Jaeger <aj@suse.de>
8691 * loop.c (scan_loop): Use xmalloc to allocate movables.
8693 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8695 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8696 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8697 * reload1.c (REGISTER_MOVE_COST): Likewise.
8698 * regclass.c (REGISTER_MOVE_COST): Likewise.
8699 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8700 dimension. Adjust all users.
8701 (init_reg_sets_1): Iterate on all modes.
8702 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8703 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8704 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8705 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8706 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8707 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8708 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8709 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8710 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8711 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8712 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8713 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8714 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8715 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8716 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8717 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8718 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8719 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8720 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8721 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8722 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8723 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8724 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8725 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8726 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8727 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8728 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8730 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8732 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8733 arg VARIES_P. Call it with extra arg.
8734 (true_dependence): Likewise.
8735 * rtl.h (rtx_addr_can_trap_p): Declare.
8736 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8738 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8739 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8740 pic offset table register if it's zero. All callers changed.
8741 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8743 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8745 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8746 STRING_POOL_ADDRESS_P.
8748 * config/sparc/sparc.c (input_operand): Properly test for short op.
8750 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8751 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8752 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8753 * config/sparc/elf.h: No longer include sol2.h.
8754 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8755 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8757 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8759 2001-01-01 Michael Hayes <mhayes@redhat.com>
8761 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8762 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8763 (record_initial): Likewise.
8764 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8765 (remap_split_bivs): Likewise.
8767 2001-01-01 Michael Hayes <mhayes@redhat.com>
8769 * loop.c (loop_ivs_free): New function.
8770 (strength_reduce): Break out from...
8772 2001-01-01 Michael Hayes <mhayes@redhat.com>
8774 * loop.h (struct iv): New.
8775 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8776 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8777 'reg_biv_class' fields with 'regs' and 'n_regs'.
8778 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8779 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8780 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8782 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8784 * resource.c (mark_referenced_resources): Abort() before
8785 attempting to mark a pseudo register.
8786 (mark_set_resources): Likewise.
8788 2001-01-01 Michael Hayes <mhayes@redhat.com>
8790 * loop.h (REG_IV_CLASS): New accessor macro.
8791 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8792 * unroll.c (REG_IV_CLASS): Likewise.
8794 See ChangeLog.4 for earlier changes.