1 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
6 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * Makefile.in (reg-stack.o): Depend on reload.h.
9 (insn-attrtab.o): Depend on flags.h.
11 * genattrtab (main): Include flags.h in insn-attrtab.c.
13 * reg-stack.c: Include reload.h.
15 * sparc.h (flag_pic): Delete redundant declaration.
17 * output.h (flag_pic): Likewise.
19 * tree.h (pedantic): Likewise.
21 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
25 * jump.c, regmove.c, toplev.c: Include reload.h.
27 * reload.h (reload_cse_regs): Declare.
29 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
30 reload_cse_regs, init_reload, mark_home_live, reload,
31 init_caller_save): Delete redundant prototypes.
33 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
35 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
37 * regclass.c, ssa.c: Include expr.h.
39 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
40 gen_move_insn): Delete redundant declarations.
42 2001-04-13 Alan Modra <amodra@one.net.au>
44 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
45 PIC_OFFSET_TABLE_SAVE_RTX.
46 (zdepi_cint_p): Describe zdepi insn.
47 Formatting and white space fixes throughout file.
49 * pa.c (uint32_operand): Don't use long constant >= 2^32.
50 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
51 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
52 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
53 (output_64bit_and): Use plain `int's for shift counts.
54 (output_64bit_ior): Likewise.
55 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
56 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
59 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
60 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
61 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
62 NEW_HP_ASSEMBLER into one. Kill warnings.
64 * pa-gas.h: Delete file.
65 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
66 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
67 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
68 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
70 * config/pa/mill32.S: New file.
71 * config/pa/mill64.S: New file.
72 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
73 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
74 * config/pa/t-linux64: New file.
75 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
76 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
77 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
79 * elfos.h (SELECT_SECTION): Undef before defining.
80 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
81 (LIB_SPEC): Remove -lmilli.
82 (DBX_REGISTER_NUMBER): Remove.
83 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
84 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
85 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
86 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
87 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
88 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
89 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
91 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
92 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
93 regs if we don't have a prototype.
94 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
95 * pa.h (TARGET_ELF32): Default to 0 if undefined.
96 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
97 EH_RETURN_HANDLER_RTX): Define.
98 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
99 (DWARF_FRAME_REGNUM): Define.
100 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
101 * pa32-linux.h: New file.
102 * pa64-linux.h: New file.
104 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
105 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
106 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
107 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
108 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
109 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
110 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
111 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
112 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
113 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
114 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
115 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
116 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
117 * pa64-hpux.h: New file.
118 (ASM_FILE_START): Correct typo.
119 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
120 * config.gcc: Modify for above.
122 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
124 * jump.c (jump_optimize_1): Don't delete dead stores here.
125 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
126 prior to running jump optimize before cse2.
128 2001-04-12 Stan Shebs <shebs@apple.com>
130 * objc/objc-act.c: Remove all code ifdefed with the never-used
131 macro OBJC_INT_SELECTORS.
132 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
133 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
135 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
137 * config/pa/quadlib.c: Add prototypes.
139 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
141 * bitmap.h (debug_bitmap): Delete redundant prototype.
143 * rtl.h (get_frame_size): Likewise.
145 2001-04-12 Jim Wilson <wilson@redhat.com>
147 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
148 to just emit an fnorm.
150 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
152 * c-common.h (truthvalue_conversion, type_for_mode,
153 type_for_size): Delete redundant declarations.
155 * c-lex.h (is_class_name): Likewise.
157 * c-tree.h (pedantic, convert, getdecls, gettags,
158 global_bindings_p, init_decl_processing, insert_block,
159 maybe_build_cleanup, poplevel, print_lang_decl,
160 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
161 set_block, incomplete_type_error, build_function_call,
162 lvalue_or_else, mark_addressable): Likewise.
164 * expr.h (expand_tree_builtin): Likewise.
166 2001-04-12 Mark Mitchell <mark@codesourcery.com>
168 * invoke.texi: Document --param max-gcse-memory.
170 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
172 * configure.in (errno): Check for declaration.
173 * configure, config.in: Regenerated.
175 * system.h (errno): Only declare if not already done.
177 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
179 * recog.c (general_operand, immediate_operand,
180 nonmemory_operand): Require CONST_INTs to be sign-extended
181 values for their modes.
183 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
185 * expmed.c (store_bit_field): Truncate CONST_INTs.
186 (expand_mult_highpart, expand_divmod): Likewise.
187 * expr.c (convert_modes, store_field): Likewise.
188 * integrate.c (expand_inline_function): Use promote_mode() to
189 determine whether to convert_modes() an argument as signed
191 * optabs.c (expand_binop): Get CONST_INT operands
192 sign-extended for their appropriate modes.
193 * stmt.c (emit_case_nodes): Convert node values to the
195 (expand_end_case): Convert minval and range to the appropriate
197 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
198 the iteration variable.
199 * varasm.c (immed_double_const): Don't require words to be
200 narrower than host wide ints to properly sign-extend
203 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
205 * sh.md (builtin_setjmp_receiver): New expander.
207 2001-04-12 David Edelsohn <dje@watson.ibm.com>
209 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
210 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
211 for generating CONST_INT and CONST_DOUBLE.
213 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
215 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
216 already sign-extended.
217 (rs6000_emit_prologue): Make register iterator signed.
218 (rs6000_emit_epilogue): Likewise.
219 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
221 (movsf split, movdf split): Sign-extend CONST_INTs.
222 (movdi splits): Likewise.
224 2001-04-12 Kelley Cook <kelley.cook@home.com>
226 * config-lang.in (lang_dirs): Add in zlib.
228 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
230 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
231 operands that make it to RTL.
233 2001-04-11 Stan Shebs <shebs@apple.com>
235 Add Darwin (Mac OS X kernel) native support.
236 * config.gcc (powerpc-*-darwin*): Add native bits.
237 * config/darwin.c: New file, generic Darwin support functions.
238 * config/darwin.h: New file, generic Darwin definitions.
239 * config/darwin-protos.h: New file, generic Darwin prototypes.
240 * rs6000/darwin.h: New file, Darwin for PowerPC.
241 * rs6000/t-darwin: New file, Darwin makefile fragment.
242 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
243 (TARGET_MACHO): Ditto.
244 (rs6000_abi): Add ABI_DARWIN.
245 (RS6000_REG_SAVE): Add ABI_DARWIN case.
246 (RS6000_SAVE_AREA): Ditto.
247 (FP_ARG_MAX_REG): Ditto.
248 (RETURN_ADDRESS_OFFSET): Ditto.
249 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
251 (rs6000_emit_move): Add ABI_DARWIN cases.
252 (print_operand): Ditto.
253 (first_reg_to_save): Ditto.
254 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
255 (debug_stack_info): Ditto.
256 (rs6000_emit_prologue): Ditto.
257 (rs6000_emit_epilogue): Ditto.
258 (output_profiler_hook): Ditto.
259 (output_function_profiler): Ditto.
260 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
261 (output_mi_thunk): Add TARGET_MACHO case.
262 (add_compiler_stub): Ditto.
263 (output_compiler_stub): Ditto.
264 (no_previous_def): Ditto.
265 (output_call): Ditto.
266 (machopic_output_stub): Ditto.
267 (rs6000_machopic_legitimize_pic_address): Ditto.
268 (toc_section): Ditto.
269 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
273 (load_macho_picbase): Ditto.
274 (call): Add TARGET_MACHO case to modify function.
276 (call_nonlocal_sysv): Add ABI_DARWIN case.
277 (call_value_nonlocal_sysv): Ditto.
278 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
280 (machopic_output_stub): Ditto.
281 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
283 2001-04-11 Mark Mitchell <mark@codesourcery.com>
285 * dwarf2out.c (modified_type_die): Don't create new types here.
286 * tree.h (get_qualified_type): New function.
287 (build_qualified_type): Adjust comment.
288 * tree.c (get_qualified_type): New function.
289 (build_qualified_type): Use it.
291 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
293 * cpp.texi (-Wtraditional): Update description.
295 * invoke.texi (-Wtraditional): Likewise.
297 2001-04-11 Jim Wilson <wilson@redhat.com>
299 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
300 requires more than 64 bits of alignment.
302 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
304 * cpplib.c (do_line): Sanity check iff enable checking.
306 2001-04-11 Richard Henderson <rth@redhat.com>
308 * Makefile.in (insn-recog.o): Depend on toplev.h.
309 (insn-emit.o, doloop.o): Likewise.
310 * genrecog.c, genemit.c: Include toplev.h in generated file.
311 * doloop.c: Include toplev.h.
313 2001-04-11 Mark Mitchell <mark@codesourcery.com>
315 * Makefile.in (gcse.o): Depend on params.h.
316 * gcse.c: Include params.h.
317 (gcse_main): Don't do GCSE if doing so will take inordinate
319 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
320 * params.h (MAX_GCSE_MEMORY): New macro.
322 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
324 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
326 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
328 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
330 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
332 * real.h (ereal_atof, real_value_truncate, target_isnan,
333 target_isinf, target_negative, assemble_real, debug_real): Delete
334 redundant prototypes.
336 * Makefile.in (ifcvt.o): Depend on toplev.h.
338 * c-semantics.c: Include expr.h.
340 * ifcvt.c: Include toplev.h.
342 * expr.h (rtx_equal_p): Delete prototype.
344 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
345 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
346 eliminate_constant_term, expand_complex_abs, find_single_use,
347 make_tree, init_expr_once, init_optabs, supports_one_only):
350 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
351 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
352 expand_assignment, store_expr, emit_line_note_after,
353 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
355 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
357 * sparc-protos.h: Delete redundant prototypes.
359 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
361 * reload.c (push_reload): Add condition missed in SUBREG byte
364 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
366 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
368 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
370 * i386.md (floatsisf_sse): Fix output template
371 * i386.c (ix86_expand_fp_movcc)
373 * reg-stack.c (emit_pop_insn): Handle complex modes.
374 (move_for_stack_reg): Emit proper move mode.
375 (subst_stack_regs_pat): Handle complex modes.
377 2001-04-11 Jakub Jelinek <jakub@redhat.com>
379 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
381 2001-04-10 Richard Henderson <rth@redhat.com>
383 * libgcc2.h (__terminate_func_ptr): Remove typedef.
384 (__pure_virtual, __terminate, __terminate_set_func,
385 __default_terminate, __throw_type_match, __empty,
386 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
387 __eh_rtime_match, __unwinding_cleanup, __rethrow,
388 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
389 Remove prototypes of deleted functions.
391 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
393 * c-typeck.c (convert_arguments): -Wtraditional now activates
394 -Wconversion warnings, except for changes in signed-ness.
395 Detect complex<->int & int<->complex conversions as well.
397 * invoke.texi (-Wtraditional): Document it.
399 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
401 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
402 * flow.c (set_block_for_new_insns): Remove needless cast and
403 properly check for unset block number.
405 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
407 * function.c (purge_single_hard_subreg_set): Only check REGNO if
408 the subreg was a hard register. Pseudos are left as subregs.
410 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
412 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
413 (LIB2ADD_ST): New macro, pass it to mklibgcc.
414 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
415 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
416 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
418 2001-04-09 Bo Thorsen <bo@suse.co.uk>
420 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
422 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
424 * output.h (set_block_num): Missed it earlier, remove deprecated
427 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
429 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
430 (load_killed_in_block_p): Change bb parameter from int to basic_block.
431 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
432 (handle_rd_kill_set): Change bb parameter from int to basic_block.
433 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
434 (expr_killed_p): Change bb parameter from int to basic_block, pass
435 basic_blocks instead of ints as parameters.
436 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
437 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
438 from int to basic_block, pass basic_blocks instead of ints as parms.
439 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
440 parameter from int to basic_block, pass basic_blocks instead of ints.
441 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
442 (insert_insn_end_bb): Change bb parameter from int to basic_block,
443 pass basic_blocks instead of ints.
444 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
445 basic_blocks instead of ints as parameters.
446 (pre_delete): Pass basic_blocks instead of ints as parameters.
447 (hoist_expr_reaches_here_p): Change bb parameter from int to
448 basic_block, pass basic_blocks instead of ints.
449 (hoist_code): Pass basic_blocks instead of ints as parameters.
450 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
451 Change bb parameter from int to basic_block.
452 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
453 (insert_insn_start_bb): Change bb parameter from int to basic_block,
454 pass basic_blocks instead of ints.
455 (insert_store): Pass basic_blocks instead of ints as parameters.
456 (replace_store_insn, delete_store): Change bb parameter from int to
457 basic_block, pass basic_blocks instead of ints.
458 (store_motion): Pass basic_blocks instead of ints as parameters.
460 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
462 * basic-block.h (set_new_block_for_insns): New Prototype.
463 (set_block_num): Delete prototype.
464 * flow.c (set_block_num): Remove obsolete function.
465 (set_block_for_new_insns): Set BB for single or multiple insns.
466 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
467 (process_insn_end_bb): Use set_block_for_new_insns or
468 set_block_for_insn instead of set_block_num.
469 (pre_insert_copy_insn): Use set_block_for_new_insns.
470 (update_ld_motion_stores): Use set_block_for_new_insns.
471 (insert_insn_start_bb): Use set_block_for_new_insns.
472 (replace_store_insn): Use set_block_for_new_insns.
474 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
475 Jeff Law <law@redhat.com>
477 * alias.c (get_addr): Externalize.
478 (canon_true_dependence): New function. Behaves like true_dependance
479 except it already assumes a MEM has been canonicalized.
480 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
481 * gcse.c (struct ls_expr): Add load/store expressions structure.
482 (modify_mem_list, canon_modify_mem_list): New variable.
483 (gcse_main): Initialize & finalize alias analysis. Use enhanced
484 load motion and store motion if requested.
485 (alloc_gcse_mem): Allocate space for modify_mem_list array.
486 (free_gcse_mem): Free the modify_mem_list array.
487 (oprs_unchanged_p): Use load_killed_in_block_p.
488 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
489 (mems_conflict_for_gcse_p): New function. Don't kill loads
490 with stores to themselves if its in the load/store expression list.
491 (load_killed_in_block_p): New function.
492 (canon_list_insert): New Function.
493 (record_last_mem_set_info): Keep a list of all instructions which
494 can modify memory for each basic block.
495 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
496 (oprs_not_set_p): Use load_killed_in_block_p.
497 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
498 (expr_killed_p): Use load_killed_in_block_p.
499 (compute_transp): Do not pessimize memory references.
500 (pre_edge_insert): Update stores for a load motion expression.
501 (one_pre_gcse_pass): Check loads/stores for extra load motion.
502 (ldst_entry): Find or create a ldst_expr structure.
503 (free_ldst_entry): Free memory for an individual item.
504 (free_ldst_mems): Free entire load/store expression list.
505 (print_ldst_list): Print debug info.
506 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
507 (enumerate_ldsts): Assign integer values to each entry in list.
508 (first_ls_expr): First expression in the list.
509 (next_ls_expr): Next expression in the list.
510 (simple_mem): Check if expression qualifies for ld/st expression list.
511 (invalidate_any_buried_refs): Remove from expression list if its
512 used in some other way we dont understand.
513 (compute_ld_motion_mems): Find all potential enhanced load motion
515 (trim_ld_motion_mems): Remove any expressions which are invalid.
516 (update_ld_motion_stores): Copy store values to registers for loads
517 which have been moved.
518 (regvec, st_antloc, num_store): New global statics.
519 (reg_set_info): Marks registers as set.
520 (store_ops_ok): Verfies registers expressions are valid in a block.
521 (find_moveable_store): Look for moveable stores in a pattern.
522 (compute_store_table): Find stores in a function worth moving, maybe.
523 (load_kills_store): Check dependance of a load and store.
524 (find_loads): Find any loads in a pattern.
525 (store_killed_in_insn): Check if a store is killed in an insn.
526 (store_killed_after): Check is store killed after an insn in a block.
527 (store_killed_before): Check is store killed before an insn in a block.
528 (build_store_vectors): Generate the antic and avail vectors.
529 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
530 (insert_store): Add a store to an edge.
531 (replace_store_insn): Replace a store with a SET insn.
532 (delete_store): Delete a store insn.
533 (free_store_memory): Free memory.
534 (store_motion): Perform store motion.
535 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
536 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
537 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
538 (f_options): Add gcse-lm and gcse-sm.
540 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
542 * i386.c (expand_fp_movcc): Fix condition reversal code.
544 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
545 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
546 (CLASS_MAX_NREGS): Use it.
548 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
549 handle properly complex values.
550 (CLASS_MAX_NREGS): Likewise; update comment.
552 2001-04-05 Bernd Schmidt <bernds@redhat.com>
554 * ia64.c (ia64_flag_schedule_insns2): New variable.
555 (ia64_override_options): Initialize it. Clear
556 flag_schedule_insns_after_reload.
557 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
559 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
561 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
562 Do not require source to match destination anymore;
563 Add abort to the nontrivial cases that should be handled by split.
564 (fix_trunc?fdi): Add SSE case for x86_64.
565 (floatdi?f): Likewise.
566 (floatdi?f_sse): New.
567 (fix_trunc?fdi_sse): New.
569 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
571 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
572 (DEBUG_ARANGES_END_LABEL): Ditto.
573 (dwarfout_init): Generate length and version fields at the start
574 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
575 after the length field.
576 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
577 the .debug_aranges info.
579 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
581 * i386.c (call, call_value): Make sure that resulting call_insn
582 does have proper second operand.
584 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
586 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
587 function. Remove include of sys/cygwin.h.
589 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
591 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
592 (CPP_SPEC): Always search */include/w32api for header files.
593 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
594 (LINK_SPEC): Add "cyg" to the library search prefixes.
596 2001-04-08 Philip Blundell <philb@gnu.org>
598 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
600 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
602 * cpperror.c (print_location): Don't special case <stdin>.
603 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
604 WARNING, but we don't check if we're in system headers.
605 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
606 * cpplib.c (do_warning): Warn in system headers.
608 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
610 * mbchar.c: Include config.h first.
612 2001-04-07 Zack Weinberg <zackw@stanford.edu>
614 * config.gcc: Set default for xmake_file at top, not bottom.
615 Change places that set xmake_file to "none" to set to the
616 empty string instead, or remove them entirely if there is no
617 default xmake_file for this cpu_type. Remove references to
620 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
621 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
622 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
623 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
624 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
625 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
626 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
627 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
628 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
629 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
632 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
633 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
634 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
635 config/mips/x-sysv, config/rs6000/x-aix31:
636 Just set CLIB to -lld or -lmld, as appropriate.
638 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
639 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
640 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
641 config/mips/x-iris, config/pa/x-pa:
642 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
643 OTHER_FIXINCLUDES_DIRS.
645 * config/i386/x-djgpp: Don't set LN or LN_S.
646 * config/m88k/x-dolph: Don't define __m88k__.
647 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
648 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
649 * config/i860/fx2800.h: No need to #undef SVR4.
651 38 x-host fragments remain, 2 x-cpu.
653 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
655 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
657 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
659 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
661 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
663 * configure.in: Add check for lstat.
664 * configure, config.in: Regenerate.
665 * cppinit.c (append_include_chain): Make empty path ".".
666 * cpplib.c (do_line): Don't simplify #line paths.
667 * cppfiles.c (remove_component_p): New function.
668 (find_or_create_entry): Acknowledge stat () errors during
670 (handle_missing_header): Don't simplify paths.
671 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
672 the empty path untouched. Don't leave a trailing '/'.
674 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
676 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
677 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
679 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
681 * cppfiles.c (open_file): Fail directories silently, but
682 with an errno of NOENT set.
683 (read_include_file): Move the common exit code to the sole
684 caller. Return an int indicating success or failure. Let
685 open_file handle directories.
686 (stack_include_file): If read_include_file fails,
687 push a "null" buffer.
689 2001-04-05 DJ Delorie <dj@redhat.com>
691 * function.h (virtuals_instantiated): Declare.
692 * function.c: (virtuals_instantiated): Make global.
693 * calls.c (emit_library_call_value_1): Use
694 virtual_outgoing_args_rtx only if it hasn't been instantiated.
695 Otherwise, use the stack pointer directly.
697 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
699 * i386.c (x86_initialize_trampoline): New global function.
700 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
701 (INITIALIZE_TRAMPOLINE): Move offline.
702 * i386-protos.h (x86_initialize_trampoline): Declare.
704 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
706 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
707 (lea_0): Rename to lea_1.
708 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
709 (lea_general_?): Allow SImodes on TARGET_64BIT
710 (lea_general_?_zext): New patterns.
711 (call_1, call_1_rex64): Fix.
713 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
715 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
717 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
719 * i386.c (function_arg): Return constm1_rtx for last argument.
720 (ix86_expand_prologue): Update gen_call calls.
721 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
722 * i386.md (call_pop): Likewise.
723 (call): Second operand is VOIDmode.
724 (call_0): Likewise; Support 64bits.
725 (call_exp): New expander.
726 (call_1): Get to the sync.
727 (call_1_exp): New pattern.
728 (call_value): Support 64bit.
729 (call_value_exp): New pattern.
730 (untyped_call): Update gen_call call.
731 (call_value_pop): Disable for 64bit.
732 (call_value_0_rex64): New pattern.
733 (call_value_1_rex64): Likewise.
735 2001-04-05 Bo Thorsen <bo@suse.de>
737 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
739 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
741 * i386.md (*andsi_1+3): If used after reload, make sure the operand
742 satisfies ANY_QI_REG_P.
744 2001-04-05 Bernd Schmidt <bernds@redhat.com>
746 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
749 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
752 2001-04-04 Zack Weinberg <zackw@stanford.edu>
754 * config.gcc: Remove default for xm_file. Clean up local
755 machine type handling. Remove settings of xm_file to
756 something that doesn't exist. In the big switch, set xm_file,
757 don't append to it (the value before the big switch is always
758 null). Don't force build_xm_file or host_xm_file to have a value.
759 * configure.in: Remove default for xm_file. Do not special
760 case $cpu/xm-$cpu.h not existing.
761 * configure: Regenerate.
763 2001-04-04 Diego Novillo <dnovillo@redhat.com>
765 * simplify-rtx.c (simplify_binary_operation): Check for overflow
766 when folding integer division and modulo operations.
768 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
770 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
771 instead of DWARF2_ADDR_SIZE for EH addresses.
772 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
775 2001-04-04 Richard Henderson <rth@redhat.com>
777 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
778 * config/ia64/t-glibc (LIB2ADDEH): Disable.
779 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
781 2001-04-04 Richard Henderson <rth@redhat.com>
783 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
784 * configure: Rebuilt.
786 2001-04-04 Jakub Jelinek <jakub@redhat.com>
788 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
789 push insns to delete to it instead of deleting them.
790 (delete_null_pointer_checks): Delete insns from delete_list after
791 all delete_null_pointer_checks_1 passes are done.
793 2001-04-04 Richard Henderson <rth@redhat.com>
795 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
796 * configure: Rebuilt.
798 2001-04-04 Zack Weinberg <zackw@stanford.edu>
800 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
801 * config/romp/xm-romp.h: Delete.
803 2001-04-04 Bernd Schmidt <bernds@redhat.com>
805 * sched-deps.c (sched_analyze_insn): Partially revert March 27
808 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
810 * emit-rtl.c (mark_label_nuses) Increment the label uses for
811 all labels present in rtx.
812 (try_split) Call new function for all split insns.
814 2001-04-04 Jakub Jelinek <jakub@redhat.com>
816 * recog.c (validate_replace_rtx_1): Instead of aborting just make
817 sure the change won't be validated.
819 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
821 * rtl.h (set_noop_p): Declare.
822 * flow.c (set_noop_p): Move from here ...
823 * rtlanal.c (set_noop_p): ... to here and enhance.
824 * cse.c (delete_trivially_dead_insns): Use it.
825 * gcse.c (hash_scan_set): Likewise.
826 * jump.c (delete_noop_moves): Likewise.
827 * recog.c (split_all_insns): Likewise.
829 2001-04-04 Alan Modra <alan@linuxcare.com.au>
831 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
832 stack pointer via a LO_SUM. Ditto for setting a temp register
833 used to save to the stack. Set cfa_temp when setting fp, and
834 allow matches to cfa_temp in addition to cfa_store when saving
835 regs. Handle POST_INC and LO_SUM register stores. Document the
836 changes and errors in rule 12 doco.
838 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
839 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
840 (load_reg): Move closer to epilogue code.
841 (DO_FRAME_NOTES): Define to control the following..
842 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
843 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
845 (hppa_expand_epilogue): Likewise.
847 2001-04-03 Richard Henderson <rth@redhat.com>
849 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
850 * configure: Rebuild.
852 2001-04-03 Richard Henderson <rth@redhat.com>
854 * rtl.h (LCT_THROW): New.
855 * calls.c (emit_library_call_value_1): Handle it.
856 * except.c (connect_post_landing_pads): Use it.
858 2001-04-03 Zack Weinberg <zackw@stanford.edu>
860 * gansidecl.h: Delete file.
861 * configure.in: Change all refs to gansidecl.h to use
862 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
864 * configure: Regenerate.
866 * Makefile.in (intl.o): Don't depend on gansidecl.h.
867 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
868 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
869 Don't include gansidecl.h.
870 * intl.c, main.c, version.c, fixinc/fixlib.h,
871 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
874 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
876 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
879 2001-04-03 Zack Weinberg <zackw@stanford.edu>
881 * config/i386/xm-beos.h, config/i386/xm-isc.h,
882 config/i386/xm-next.h, config/i386/xm-sco.h,
883 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
884 config/m88k/xm-m88k.h: Delete.
886 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
887 * config/romp/xm-romp.h: Don't define bcopy.
888 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
889 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
891 * config.gcc: Remove references to deleted files.
893 14 xm-host.h remain, 1 xm-cpu.h.
895 2001-04-03 Jakub Jelinek <jakub@redhat.com>
896 David S. Miller <davem@pierdol.cobaltmicro.com>
897 Andrew MacLeod <amacleod@redhat.com>
899 Use byte offsets in SUBREGs instead of words.
901 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
902 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
903 to pass new argument.
904 (add_stored_regs): Use subreg_regno_offset function.
905 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
907 (precompute_arguments): Use gen_lowpart_SUBREG.
908 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
909 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
910 (simplify_set): Rework to use SUBREG_BYTE.
911 (expand_field_assignment): Use SUBREG_BYTE.
912 (make_extraction): Use SUBREG_BYTE.
913 (if_then_else_cond): Use SUBREG_BYTE.
914 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
915 (gen_lowpart_for_combine): Compute full byte offset.
916 * cse.c (mention_regs): Use SUBREG_BYTE.
917 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
918 (canon_hash): Use SUBREG_BYTE.
919 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
920 (gen_lowpart_if_possible): Formatting.
921 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
923 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
924 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
925 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
926 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
927 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
928 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
929 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
930 certain invariants about SUBREGs the compiler creates.
931 (gen_lowpart_SUBREG): New function.
932 (subreg_hard_regno): New function to get the final register number.
933 (gen_lowpart_common): Use SUBREG_BYTE.
934 (gen_imagpart): Spacing nits.
935 (subreg_realpart_p): Use SUBREG_BYTE.
936 (gen_highpart): Use SUBREG_BYTE.
937 (subreg_lowpart_p): Always compute endian corrected goal offset,
938 even at the byte level, then compare against that.
939 (constant_subword): New function, pulled out all constant cases
940 from operand_subword and changed second argument name to offset.
941 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
942 and call constant_subword to do the work. Return const0_rtx if
943 looking for a word outside of OP.
944 (operand_subword_force): Change second arg name to offset.
945 * expmed.c (store_bit_field): Use SUBREG_BYTE.
946 (store_split_bit_field): Use SUBREG_BYTE.
947 (extract_bit_field): Use SUBREG_BYTE.
948 (extract_split_bit_field): Use SUBREG_BYTE.
949 (expand_shift): Use SUBREG_BYTE.
950 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
951 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
952 * flow.c (set_noop_p): Use SUBREG_BYTE.
953 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
954 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
955 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
957 (optimize_bit_field): Use SUBREG_BYTE.
958 (purge_addressof_1): Use SUBREG_BYTE.
959 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
960 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
961 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
962 * gengenrtl.c (special_rtx): Add SUBREG.
963 * global.c (mark_reg_store): Use SUBREG_BYTE.
964 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
965 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
966 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
967 final byte offset is congruent to subreg's mode size.
968 (subst_constants): Use SUBREG_BYTE.
969 (mark_stores): Use subreg_regno_offset function.
970 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
971 function and SUBREG_BYTE.
972 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
973 (reg_is_born): Use subreg_hard_regno.
974 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
975 endian correction code. Don't combine subregs unless resulting
976 offset aligns with type. Fix subreg constant extraction for DImode.
977 Simplify SUBREG of VOIDmode CONST_DOUBLE.
978 (general_operand): Remove dead mode_altering_drug code.
979 (indirect_operand): Use SUBREG_BYTE.
980 (constrain_operands): Use subreg_regno_offset function.
981 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
982 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
983 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
984 * regs.h (REG_SIZE): Allow target to override.
985 (REGMODE_NATURAL_SIZE): New macro which target can override.
986 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
987 on the entire subreg rtx.
988 (push_reload): Use SUBREG_BYTE in comments and code.
989 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
990 for hard registers inside subregs.
991 (operands_match_p): Use subreg_regno_offset.
992 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
993 containing hard regs.
994 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
995 corrections when fixing up MEM subregs.
996 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
997 subreg_regno_offset where appropriate.
998 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
999 byte endian corrections when fixing up MEM subregs.
1000 (subst_reloads): When combining two subregs, make sure final
1001 offset is congruent to subreg's mode size.
1002 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1003 (refers_to_regno_for_reload_p): Use subreg_regno.
1004 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1005 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1006 correction code for memory subreg fixups.
1007 (forget_old_reload_1): Use subreg_regno_offset.
1008 (choose_reload_regs): Use subreg_regno.
1009 (emit_input_reload_insns): Use SUBREG_BYTE.
1010 (reload_combine_note_store): Use subreg_regno_offset.
1011 (move2add_note_store): Use subreg_regno_offset.
1012 * resource.c (update_live_status, mark_referenced_resources): Use
1013 subreg_regno function.
1014 (mark_set_resources): Use subreg_regno function.
1015 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1016 (subreg_regno_offset, subreg_regno): Define prototypes.
1017 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1018 (gen_lowpart_SUBREG): Add prototype.
1019 * rtl.texi (subreg): Update to reflect new byte offset representation.
1020 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1021 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1022 (reg_overlap_mentioned_p): Use subreg_regno.
1023 (replace_regs); Make sure final offset of combined subreg is
1024 congruent to size of subreg's mode.
1025 (subreg_regno_offset): New function.
1026 (subreg_regno): New function.
1027 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1028 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1029 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1030 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1031 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1032 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1033 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1034 (print_operand): Use SUBREG_BYTE.
1035 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1036 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1037 (arm_reload_out_hi): Use SUBREG_BYTE.
1038 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1039 instead of SUBREG_WORD.
1040 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1041 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1042 SUBREG creation to use byte offset.
1043 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1044 inverted load insns): Fix explicit rtl subregs to use byte
1046 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1047 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1048 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1049 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1050 to use byte offsets.
1051 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1052 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1053 offsets, also make sure it is congruent to SUBREG's mode size.
1054 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1055 unnamed ldob insn): Generate SUBREGs with byte offset.
1056 (zero_extendqihi2): SUBREG's are byte offsets.
1057 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1058 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1059 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1060 zero-extendqisi2): Generate SUBREGs with byte offset.
1061 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1062 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1063 subregs in rtl to use byte offsets.
1064 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1065 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1066 (mips_move_2words): Use subreg_regno_offset.
1067 (mips_secondary_reload_class): Use subreg_regno_offset.
1068 * config/mips/mips.md (DImode plus, minus, move, and logical op
1069 splits): Fixup explicit subregs in rtl to use byte offsets.
1070 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1071 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1072 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1073 rtl to use byte offsets.
1074 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1075 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1076 subregs to use byte offsets.
1077 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1078 Fixup explicit subregs in rtl to use byte offsets.
1079 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1080 and remove byte endian correction code.
1081 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1082 (gen_ashift_hi): Use SUBREG_BYTE.
1083 (regs_used): Use subreg_regno_offset.
1084 (machine_dependent_reorg): Use subreg_regno_offset.
1085 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1086 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1087 (movdf_i4): Subregs are byte offsets now.
1088 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1089 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1090 (REGMODE_NATURAL_SIZE): Override.
1091 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1092 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1094 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1095 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1096 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1097 it is congruent to SUBREG's mode size.
1098 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1100 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1101 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1102 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1103 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1104 * config/v850/v850.c (print_operand, output_move_double): Use
1105 subreg_regno function.
1107 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1109 * configure.in (target_subdir): Use target_alias, not target.
1110 * configure: Rebuilt.
1112 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1114 * config/sh/crti.asm: Fix typos in comments.
1116 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1118 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1119 TARGET_FAST_INDIRECT_CALLS.
1120 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1122 (return_addr_rtx): Short circuit export stub matching when
1123 TARGET_NO_SPACE_REGS.
1124 (output_millicode_call): For out of range calls, make -fPIC
1125 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1126 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1127 * pa.md: Modify length attr calculation of all millicode insns to
1130 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1132 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1133 Require at least 2.11 in the version test. Specifically check
1134 for and reject GAS version 2.10.90.
1135 * configure: regenerate.
1137 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1139 * pa.c (override_options): Remove PIC profiling warning.
1140 (hp_profile_labelno): Delete.
1141 (hp_profile_label_rtx): Delete.
1142 (hp_profile_label_name): Delete.
1143 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1144 (output_function_prologue): Remove profiling code and all tests on
1145 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1146 merge_sp_adjust_with_store can work for PIC and profiling.
1147 (hppa_expand_epilogue): Remove profile_flag test.
1148 (hppa_can_use_return_insn_p): Likewise.
1149 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1150 cater for PROFILE_HOOK.
1151 (hppa_profile_hook): New function.
1152 * pa.h (FUNCTION_PROFILER): Now does nothing.
1153 (PROFILE_HOOK): Define.
1154 (hppa_profile_hook): Declare.
1155 (PROFILE_BEFORE_PROLOGUE): Delete.
1156 (ASM_OUTPUT_REG_PUSH): Delete.
1157 (ASM_OUTPUT_REG_POP): Delete.
1158 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1159 r24. Accept function name operand, and use this and a locally
1160 generated label to calculate pc-rel offset to func start.
1162 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1164 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1165 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1168 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1170 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1171 LO_SUM cases to where they belong.
1173 2001-04-02 Richard Henderson <rth@redhat.com>
1175 * except.h (lang_eh_type_covers): Mark extern.
1176 (lang_eh_runtime_type): Likewise.
1178 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1180 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1181 gengenrtl.c: Wrap generated header in multiple-include guard.
1182 Improve error checking.
1184 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1186 * configure.in: Don't check for putenv.
1187 * configure: Regenerate.
1188 * gcc.c (putenv): Don't define.
1189 * vax/xm-vms.h: Handle putenv.
1191 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1193 * ifcvt.c (noce_emit_move_insn): New.
1194 (noce_try_store_flag, noce_try_store_flag_constants,
1195 noce_try_store_flag_inc, noce_try_store_flag_mask,
1196 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1197 noce_try_abs): Use it.
1198 (noce_process_if_block): Likewise.
1199 For STRICT_LOW_PART, take mode from its SUBREG.
1201 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1203 * fold-const.c (fold): Before optimizing unsigned comparison with
1204 0x7fffffffU, make sure arg0 is integral type.
1206 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1208 * c-tree.texi: Document representation of wide strings.
1210 2001-04-01 Richard Henderson <rth@redhat.com>
1212 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1214 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1216 * i386.md: remove obsoleted comments.
1217 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1218 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1219 fix output template.
1221 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1223 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1225 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1227 * loop.c (load_mems): When generating a load from a pseudo, update
1230 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1232 * i386.c (ix86_split_long_move): Use change address to compensate
1233 stack pointer change in push instruction.
1235 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1237 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1238 instead of rtx_equal_p; fix the output template.
1240 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1242 * i386.c (ix86_expand_setcc): Support 64bit.
1243 (ix86_expand_int_movcc): Likewise.
1244 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1247 * i386.md (allocate_stack_worker): Turn to expander.
1248 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1250 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1252 2001-03-29 Richard Henderson <rth@redhat.com>
1254 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1256 2001-03-28 Matthew Hiller <hiller@redhat.com>
1258 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1261 * MAINTAINERS: Added self.
1263 2001-03-28 Richard Henderson <rth@redhat.com>
1265 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1266 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1268 2001-03-28 Jim Wilson <wilson@redhat.com>
1270 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1273 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1275 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1277 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1280 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1282 2001-03-28 DJ Delorie <dj@redhat.com>
1284 * Makefile.in (stage1_build): Revert CFLAGS patch.
1286 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1288 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1289 when multiplier or multiplicand is zero.
1291 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1293 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1295 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1297 (set_src_needs_barrier): Likewise.
1298 (rtx_needs_barrier): For SET case, use these two functions. Rework
1299 PARALLEL case to handle all inputs before all outputs.
1300 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1301 saw a label and no stop bit since then.
1302 (maybe_rotate, process_epilogue): Add prototypes.
1304 2001-03-28 Richard Henderson <rth@redhat.com>
1306 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1307 not TARGET_TOC for special toc restore handling.
1308 * config/rs6000/rs6000.md (eh_return): Likewise.
1310 2001-03-28 Richard Henderson <rth@redhat.com>
1312 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1313 current_function_calls_eh_return.
1314 (output_function_epilogue): Handle eh_return.
1315 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1316 (EH_RETURN_DATA_REGNO): New.
1317 (EH_RETURN_STACKADJ_RTX): New.
1318 (EH_RETURN_HANDLER_RTX): New.
1319 * config/sparc/sparc.md (call/short branch peepholes): Check
1320 can_throw_internal instead of in_same_eh_region.
1322 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1323 for eh_return data registers.
1324 (rs6000_emit_prologue): Save eh_return data registers.
1325 (rs6000_emit_epilogue): Force inline restores if eh_return.
1326 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1327 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1328 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1329 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1330 the target uses one.
1331 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1332 (return_eh_si, return_eh_di): Remove.
1333 (eh_return): New, from corpse of eh_epilogue.
1334 (eh_set_lr_si, eh_set_lr_di): New.
1336 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1337 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1338 True for pic register if current_function_calls_eh_return.
1339 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1340 Handle eh_return requirements.
1341 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1342 (EH_RETURN_STACKADJ_RTX): New.
1343 * config/i386/i386.md (exception_receiver): Remove.
1344 (eh_return, eh_return_1): New.
1345 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1347 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1348 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1349 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1350 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1351 (EH_RETURN_DATA_REGNO): New.
1352 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1353 * config/alpha/alpha.md (eh_epilogue): Remove.
1354 (exception_receiver): Use $26 for ldgp input.
1355 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1357 2001-03-28 Richard Henderson <rth@redhat.com>
1359 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1360 * except.h: Likewise.
1362 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1363 (LIB2ADDEHDEP): New.
1364 (LIB2FUNCS_EH): Remove.
1365 (LIB2ADD): Remove LIB2ADDEH.
1366 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1367 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1368 (crt{begin,end}[S].o): Likewise.
1369 (except.o): Update includes.
1370 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1371 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1373 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1374 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1375 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1376 * builtins.c (expand_builtin): Implement it.
1377 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1378 * c-common.c (c_common_nodes_and_builtins): Declare it.
1379 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1380 * calls.c (libfunc_nothrow): Remove.
1381 (emit_library_call_value_1): Don't call it.
1382 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1383 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1384 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1385 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1386 (current_funcdef_number): Globalize.
1387 (output_call_frame_info): Emit frame data if an lsda is needed.
1388 Generate augmentation for personality routine. Don't play with
1390 (dwarf2out_begin_prologue): Record funcdef_number.
1391 * dwarf2out.h (current_funcdef_number): Declare.
1392 * expr.c (expand_expr): Update for except.h name changes.
1393 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1394 * expr.h (LTI_throw, LTI_rethrow): Remove.
1395 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1396 (LTI_eh_rtime_match): Remove.
1397 (LTI_unwind_resume, LTI_eh_personality): Add.
1398 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1399 * final.c (final): Don't call check_exception_handler_labels,
1400 init_insn_eh_region, or free_insn_eh_region.
1401 (final_scan_insn): Always emit debug labels for
1402 NOTE_INSN_EH_REGION notes.
1403 * flags.h (flag_new_exceptions): Remove.
1404 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1405 (record_active_eh_regions): Remove.
1406 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1407 Use can_throw_internal.
1408 (find_basic_blocks_1): Likewise.
1409 (move_stray_eh_region_notes): Remove.
1410 (find_label_refs): No eh_return_stub_label.
1411 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1412 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1414 (delete_unreachable_blocks): Don't track deleted handlers.
1415 (flow_delete_block): Use maybe_remove_eh_handler.
1416 (delete_eh_regions): Remove.
1417 (merge_blocks): Don't check for eh region match.
1418 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1419 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1420 (init_propagate_block_info): Disable dead frame store optimization
1421 when current_function_calls_eh_return.
1422 (dump_bb): Don't print eh_beg, eh_end.
1423 * function.c (fixup_var_refs): No catch_clauses.
1424 (expand_function_end): Likewise. Call expand_eh_return before
1425 the return register use. Call sjlj_emit_function_exit_after.
1426 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1427 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1428 * ifcvt.c (dead_or_predicable): Remove eh region check.
1429 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1430 Don't check for EH vs parameters.
1431 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1432 (expand_inline_function): Call duplicate_eh_regions.
1433 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1434 (copy_insn_notes): Remap REG_EH_REGION notes.
1435 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1436 * integrate.h (struct inline_remap): Add local_return_label.
1437 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1438 check_exception_handler_labels, nor exception_optimize.
1439 (find_cross_jump): No EH region check.
1440 * optabs.c (init_optabs): Update for changed eh libfuncs.
1441 * rtl.def (RESX): New.
1442 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1443 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1444 checks. Update for except.h name changes.
1445 (expand_cleanups): Likewise.
1446 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1447 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1448 (compile_file): Call init_eh before init_optabs. Don't
1449 output_exception_table here.
1450 (rest_of_compilation): Call convert_from_eh_region_ranges,
1451 convert_to_eh_region_ranges, output_function_exception_table.
1452 Don't emit_eh_context.
1453 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1454 (EXC_PTR_EXPR): New.
1456 * md.texi (eh_epilogue): Remove.
1457 (eh_return): Document.
1458 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1459 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1461 * eh-common.h: Remove file.
1462 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1463 * libgcc2.c (L_eh): Remove.
1465 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1466 * unwind-dw2-fde.h: New file.
1467 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1468 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1469 * libgcc-std.ver: Update for eh symbols.
1471 2001-03-27 Richard Henderson <rth@redhat.com>
1473 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1474 reduce false positives.
1475 (regmove_optimize): Disable if flag_non_call_exceptions.
1477 * stmt.c (expand_return): Remove always true predicate.
1478 (expand_decl_cleanup_no_eh): Remove dead code.
1480 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1481 barrier code. Add a scheduling barrier if a non-call insn
1482 can throw internally.
1484 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1485 Auto-inc addresses trap only if their base register does.
1487 * except.c (can_throw_internal): Rename from can_throw.
1488 * except.h, resource.c: Update references.
1490 * integrate.c (copy_insn_list): Use returnjump_p.
1491 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1493 * function.h (struct function): Move all boolean valued fields
1494 to single bit fields at the end of the struct.
1496 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1498 Rename asynchronous_exceptions to flag_non_call_exceptions.
1500 * gthr-single.h (UNUSED): New. Distinguish between how C
1501 and C++ mark unused function arguments. Use throughout.
1503 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1504 value to target configuration header.
1505 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1506 * config.in, configure: Rebuild.
1507 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1508 configuration and target defines.
1509 (exceptions_via_longjmp): Remove.
1510 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1511 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1513 * except.h (flag_non_call_exceptions): Move ...
1514 * flags.h: ... here.
1516 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1517 exceptions, put the note on the trapping instruction.
1519 * flags.h (flag_new_exceptions): Remove.
1520 * toplev.c: Don't set it.
1521 * final.c: Don't check it.
1522 * except.c: Provide stub definition.
1524 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1525 (calculate_global_regs_live): Kill call-clobbered registers
1526 across exception edges.
1527 * reg-stack.c (convert_regs_1): Kill the entire target stack
1528 across non-call exception edges.
1530 * flow.c (cleanup_cfg): Take no argument.
1531 * output.h, sibcall.c, toplev.c: Update all calls.
1533 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1535 * configure.in: Don't check for bcopy.
1536 * configure, config.in: Regenerate.
1538 * system.h: Don't define or prototype bcopy, instead poison it.
1540 2001-03-27 Richard Henderson <rth@redhat.com>
1542 * function.c (expand_function_start): Set DECL_REGISTER on
1543 a pseudo used for DECL_RESULT.
1545 * rtl.h (LCT_NORETURN): New.
1546 * calls.c (emit_library_call_value_1): Handle it.
1548 2001-03-27 Stan Shebs <shebs@apple.com>
1550 * objc/objc-act.c (objc_init): Use dump_base_name.
1551 (gen_declaration): Clear the buffer arg.
1552 (gen_declaration_1): New function, body of gen_declaration.
1553 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1554 (gen_method_decl): Ditto, plus always clear buffer arg.
1555 (error_with_ivar): Simplify.
1556 (warn_with_method): Ditto.
1557 (build_message_expr): Don't clear buffers.
1558 (dump_interface): Ditto.
1559 (objc_debug): Ditto.
1560 (build_keyword_selector): Clear the buffer by only zeroing
1562 (objc_implementation_context): Declare.
1563 (start_class): Warn about missing @end.
1564 (finish_objc): Ditto.
1566 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1568 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1570 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1572 * Makefile.in (SYSTEM_H): Define.
1573 Depend on $(SYSTEM_H), not system.h.
1575 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1577 2001-03-27 Jim Wilson <wilson@redhat.com>
1579 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1581 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1582 (process_epilogue): New static function.
1583 (process_set): Call process_epilogue instead of emitting .restore
1585 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1587 * flow.c (struct reg_cond_life_info): New fields orig_condition
1589 (init_propagate_block_info): Set new fields.
1590 (mark_regno_cond_dead): Set and use new fields.
1591 (flush_reg_cond_reg_1): Likewise.
1592 (and_reg_cond, case AND): Check for redundant AND conditions.
1593 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1596 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1598 * cppmacro.c (stringify_arg): Null terminate strings.
1600 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1602 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1603 inclusion style. xm-m68hc11.h no longer exists.
1604 * config/m68hc11/xm-m68hc11.h: Delete file.
1605 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1607 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1608 Don't define GCC_VERSION, N_, or PARAMS; don't include
1609 gansidecl.h or stdio.h. Define inhibit_libc here.
1610 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1611 Delete code conditioned on #if GCC_VERSION == 2095.
1613 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1614 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1615 Delete code conditioned on #if GCC_VERSION == 2095.
1617 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1619 * system.h: Include symcat.h.
1620 (STRINGIFY): Don't define.
1622 * configure.in: Adjust comment.
1624 * builtins.c: Use STRINGX, not STRINGIFY.
1625 * gencheck.c: Likewise.
1626 * gengenrtl.c: Likewise.
1627 * protoize.c: Likewise.
1629 * cpplex.c: Don't include symcat.h.
1630 * cpplib.c: Likewise.
1632 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1634 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1636 * c-typeck.c (digest_init): Fold init expression.
1638 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1640 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1642 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1644 * except.c (eh_regs): Save results of build_pointer_type to a temp
1645 as FUNCTION_VALUE macro may evaluate its args multiple times.
1647 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1649 * c-common.h (DECL_NUM_STMTS): New macro.
1650 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1652 (pushdecl): Likewise.
1653 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1654 * integrate.c (expand_inline_function): Don't check
1656 * print-tree.c (print_node): Don't print it.
1657 * toplev.c (rest_of_compilation): Don't try to inline when
1658 flag_no_inline is on.
1659 * tree.h (DECL_FRAME_SIZE): Remove.
1660 (tree_decl): Adjust accordingly.
1662 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1664 * combine.c (try_combine): Use memcpy, not bcopy.
1666 * genattrtab.c (expand_units): Likewise.
1668 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1670 * i386.md (push mem DI peep2): New.
1671 (mov 0, mov -1 peep2): Handle 64bit.
1672 (lea to arithmetics peep2): Handle 64bit leas.
1673 (rsp arithmetics to push/pop peep2s): New.
1675 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1677 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1679 * i386.c (struct machine_function): Add save_varrargs_registers.
1680 (ix86_save_varrargs_registers): New macro.
1681 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1682 (ix86_expand_prologue): Likewise.
1683 (ix86_emit_epilogue_esp_adjustement): Likewise.
1684 (ix86_expand_epilogue): Likewise.
1685 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1686 (pro_epilogue_adjust_stack_1): New insn.
1687 (pro_epilogue_adjust_stack_rex64): Likewise.
1688 * i386.h (MASK_NO_RED_ZONE): New constant.
1689 (TARGET_RED_ZONE): New macro.
1690 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1691 (RED_ZONE_SIZE): New constant.
1692 (RED_ZONE_RESERVE): New constant.
1694 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1696 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1698 2001-03-25 Kazu Hirata <kazu@hxi.com>
1700 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1703 (umodhi3): Likewise.
1706 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1708 * mkconfig.sh (DEFINES): Handle entries with '='.
1710 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1711 Set xm_defines to MACRO=value instead.
1713 * i370/xm-mvs.h: Delete.
1715 * ns32k/xm-pc532-min.h: Likewise.
1717 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1719 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1721 use ix86_expand_binary_operator
1722 (?sh??i_?): Disable for 64bit.
1723 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1724 * i386.c (shiftdi_operand): New predicate.
1726 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1727 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1728 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1729 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1730 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1731 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1732 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1733 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1734 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1735 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1736 (rotldi3, rotrdi3): New expanders.
1738 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1740 * i386.md (movstrsi): Move offline.
1742 (strmovdi_rex64): New.
1743 (strmov?i): Accept 64bit.
1744 (strmov?i_rex64): New.
1745 (strmov?i_rex_1): New.
1746 (strmov?i_1): Disable for 64bit.
1747 (rep_mov?i_rex64): New.
1748 (rep_mov?i): Disable for 64bit.
1749 (clrstrsi): Move offline.
1750 (strset?i_rex64): New.
1751 (strset?i: Accept 64bit.
1752 (rep_stos?i): Disable for 64bit.
1753 (rep_stos?i_rex64): New.
1754 (strset?i_rex_1): New.
1755 (strset?i_1): Disable for 64bit.
1756 (cmpstrsi): Accept 64bit.
1757 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1758 (cmpstrqi_nz_rex_1): New.
1759 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1760 (strlensi): Move offline.
1762 (strlenqi_1): Disable for 64bit; fix constraints.
1763 (strlenqi_rex_1): New.
1764 * i386.c (ix86_adjust_counter): New static function.
1765 (ix86_zero_extend_to_Pmode): Likewise.
1766 (ix86_expand_aligntest): Likweise.
1767 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1768 (ix86_expand_movstr): New global function.
1769 (ix86_expand_clrstr): New global function.
1770 (ix86_expand_strlen): New global function.
1771 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1772 ix86_expand_strlen): Declare.
1773 (ix86_expand_strlensi_unroll_1): Delete.
1775 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1777 * i386.md (cmpdi): Fix operand predicates.
1778 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1779 cmpdi_1_insn_rex64): New patterns.
1780 (adddi3): Turn to expander.
1781 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1782 (addsi3_carry_zext): New pattern.
1783 (adddi_?_rex64): New patterns and splitters.
1784 (addsi_?_zext): New patterns.
1785 (subsi3_carry_zext): New pattern.
1786 (subdi_?_rex64): New patterns and splitters.
1787 (iorsi_?_zext): New patterns.
1788 (iordi_?_rex64): New patterns and splitters.
1789 (iorsi_?_zext): New patterns.
1790 (iorsi_?_zext_imm): New patterns.
1791 (xorsi_?_zext): New patterns.
1792 (xordi_?_rex64): New patterns and splitters.
1793 (xorsi_?_zext): New patterns.
1794 (negdi*): New patterns.
1795 (one_cmpldi*): Likewise.
1796 (one_cmplsi*_zext, negsi*_zext): Likewise.
1797 (testqi_ext_3_rex64): New pattern.
1799 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1801 * i386-protos.h (ix86_split_long_move): Return void.
1802 * i386.c (ix86_split_to_parts): Handle 64bit target.
1803 (ix86_split_long_move): Likewise.
1804 * i386.md (all calls to ix86_split_long_move): Update.
1806 2001-03-23 Richard Henderson <rth@redhat.com>
1808 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1809 to avoid shadowing arguments.
1811 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1813 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1814 to variable names where DECL_NAME is different from
1815 DECL_ASSEMBLER_NAME.
1817 2001-03-23 Jim Wilson <wilson@redhat.com>
1819 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1820 (assemble_alias): Call make_decl_rtl.
1822 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1824 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1826 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1828 * extend.texi: Document the "java_interface" attribute.
1830 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1832 * mkconfig.sh: Use a subshell with redirected stdout,
1833 instead of closing stdout and confusing commands that run
1834 afterward. Throw away output of cmp.
1836 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1838 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1840 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1842 * i386.md (zero_extendsidi2_32): Break out from ...
1843 (zero_extendsidi2): ... here ; turn to expander.
1844 (zero_extendsidi2_rex64): New.
1845 (extendsidi2_32): Break out from ...
1846 (extendsidi2): ... here ; turn to expander.
1847 (extendsidi2_rex64): New.
1848 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1849 (trunc?f?f splitters): Add 64bit versions.
1851 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1853 * i386.md (pushsi, pushsi2_prologue): Disable.
1854 (pushsi2_rex64): New.
1855 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1856 (movqi_ext_1): Disable for 64bit.
1857 (movqi_ext_1_rex64): New.
1858 (pushdi2_rex64): New pattern, peep2s and splitter.
1859 (pushdi2_prologue_rex64): New pattern.
1860 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1862 (movdi splitters): Disable for 64bit.
1863 (movdi_1_rex64): New pattern, peep2s and splitters.
1864 (swapdi): New pattern.
1865 (pushsf): Disable for 64bit.
1866 (pushsf_rex64): New pattern and splitter.
1867 (pushdf_nointeger): Disable for 64bit.
1868 (pushdf_integer): Handle the 64bit case.
1869 (pushtf): Likewise; update splitters.
1871 2001-03-22 Richard Henderson <rth@redhat.com>
1873 * mkconfig.sh: Include insn-flags.h.
1874 * Makefile.in (CONFIG_H): Include insn-flags.h.
1875 (lots of objects): Remove insn-codes.h and insn-flags.h.
1877 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1878 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1879 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1880 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1881 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1882 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1883 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1884 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1885 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1886 v850/v850.c, vax/vax.c:
1887 Don't include insn-flags.h.
1889 * diagnostic.c, expr.h, reload.c, toplev.c:
1890 Don't include insn-codes.h.
1892 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1893 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1894 c4x/c4x.c, i960/i960.c, mips/mips.c:
1895 Don't include insn-codes.h or insn-flags.h.
1897 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1898 or insn-flags.h in the generated code.
1899 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1900 (main): Forward declare struct rtx_def.
1902 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1904 * invoke.texi (-ffast-math): Remove duplicate line about
1907 * gcc.texi: Remove more obsolete documentation of bugs and
1908 installation problems.
1910 2001-03-21 Kazu Hirata <kazu@hxi.com>
1912 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1915 2001-03-20 Jason Merrill <jason@redhat.com>
1917 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1919 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1920 * varasm.c (CHKR_PREFIX): Likewise.
1922 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1924 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1925 is part of a multi-SET insn.
1927 * cse.c (find_comparison_args): Remove previous change.
1928 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1931 * config/i386/i386.md (conditional_trap): Remove warning.
1933 * recog.c (push_operand): Fix error in last change that caused
1934 undefined symbol on many targets.
1936 * sdbout.c: #include ggc.h.
1937 (sdbout_init): Move to end of file.
1938 Call ggc_add_tree_root for anonymous_types.
1939 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1940 (sdbout_one_type): Use DECL_NAME for field name.
1941 * Makefile.in (sdbout.o): Show includes ggc.h.
1943 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1945 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1946 (override_options): Use properlimits for preferred_stack_boundary.
1947 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1949 (ext_register_operand): Accept DImode.
1950 (load_pic_register): Abort on 64bit.
1951 (gen_push): Use Pmode instead of SImode.
1952 (ix86_save_reg): Pic reg is never used on 64bit.
1953 (ix86_expand_prologue): Likewise.
1954 (ix86_emit_save_regs): Use Pmode instead of SImode.
1955 (legitimate_address_p): Check displacement for 64bit.
1956 (print_operand): Avoid outputting of (%rip) on 64bit.
1957 (print_operand_address): Output (%rip) where possible.
1958 (split_di): Abort on 64bit registers.
1959 (ix86_expand_branch): DImode comparison is simple for x86_64.
1960 (memory_address_length): Recognize memory addresses formed using
1962 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1964 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1966 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1968 * recog.c (push_operand): Recognize new format of push instructions.
1970 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1972 * i386.md (pushqi1): New.
1973 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1974 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1975 x86_64_immediate_operand, x86_64_immediate_operand,
1976 x86_64_zext_immediate_operand): Declare.
1977 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1978 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1979 x86_64_immediate_operand, x86_64_immediate_operand,
1980 x86_64_zext_immediate_operand): define.
1981 * i386.h (PREDICATE_CODES): Add new predicates.
1983 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1985 * i386.md (pophi1, popqi1, pushqi1): Remove.
1987 * expr.c (emit_single_push_insn): New function.
1988 (move_by_pieces): Accept NULL as destination for push instructions.
1989 (gen_push_operand): Kill.
1990 (emit_push_insn): Pass NULL when pushing; avoid updating of
1991 stack_pointer_delta.
1992 * expr.h (gen_push_operand): Kill.
1994 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1996 * rtl.texi (COMPARE): Clarify documentation and reference section
1999 2001-03-20 Stan Shebs <shebs@apple.com>
2001 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2002 (get_object_reference): Ditto.
2003 (error_with_ivar): Use error_with_file_and_line.
2004 (warn_with_method): Use warning_with_file_and_line.
2006 2001-03-20 Tom Tromey <tromey@redhat.com>
2008 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2010 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2012 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2013 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2015 2001-03-20 DJ Delorie <dj@redhat.com>
2017 * Makefile.in (install-libgcc): Pass complete list of variables.
2018 (install-multilib): Ditto.
2020 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2022 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2023 drectve_section, switch_to_section.
2025 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2026 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2027 i386_pe_mark_dllimport.
2029 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2031 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2032 functions i386_pe_*.
2034 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2035 i386_pe_* functions with char * arguments.
2037 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2039 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2041 (movsi_ie): Introduce fpul store.
2043 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2045 * Makefile.in (OBJS): Remove hashtab.o.
2047 2001-03-19 Stan Shebs <shebs@apple.com>
2049 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2050 * c-lang.c (maybe_objc_method_name): Ditto.
2051 * c-tree.h (maybe_objc_method_name): Remove decl.
2053 2001-03-19 Tom Tromey <tromey@redhat.com>
2055 * gcc.c (init_gcc_specs): Fix comment.
2057 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2059 Compute DECL_ASSEMBLER_NAME lazily.
2060 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2061 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2062 (SET_DECL_ASSEMBLER_NAME): Likewise.
2063 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2064 (set_decl_assembler_name): Declare.
2065 (lang_set_decl_assembler_name): Likewise.
2066 * tree.c (lang_set_decl_assembler_name): New variab.e
2067 (set_decl_assembler_name): New function.
2068 (init_obstacks): Set lang_set_decl_assembler_name.
2069 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2070 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2071 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2072 where it's not necessary.
2073 (builtin_function): Likewise.
2074 (finish_decl): Likewise.
2075 * dbxout.c (dbxout_type_methods): Likewise.
2076 * ggc-common.c (ggc_mark_trees): Likewise.
2077 * profile.c (output_func_start_profiler): Likewise.
2078 * varasm.c (make_decl_rtl): Likewise.
2080 * cse.c (find_comparison_args): Update documentation. Fix
2081 mishandling of COMPARE operations.
2083 * tree.def (ABS_EXPR): Add documentation.
2084 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2086 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2088 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2090 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2092 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2093 Remove ia32 linux PIC kludge and move it...
2094 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2096 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2098 * i386.md (absdf2 expander): Fix 64bit case.
2100 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2102 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2104 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2106 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2108 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2110 * README.X11: Remove obsolete file.
2112 2001-03-18 Anthony Green <green@redhat.com>
2114 * config/pj/pj.h: Remove some trailing commas.
2115 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2117 2001-03-18 Richard Henderson <rth@redhat.com>
2119 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2120 * calls.c: ... here.
2121 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2122 defaults for them here.
2124 2001-03-17 Anthony Green <green@redhat.com>
2126 * config/pj/lib1funcs.S: Fix broken comment.
2127 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2130 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2132 * gcc.texi: Remove obsolete information relating to build and
2133 installation problems with enquire or the Pyramid C compiler.
2135 2001-03-17 Richard Henderson <rth@redhat.com>
2137 * dwarf2out.c (queue_reg_save): New.
2138 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2139 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2141 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2142 (cfa, cfa_store, cfa_temp): Make static.
2143 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2145 2001-03-17 Richard Henderson <rth@redhat.com>
2147 * integrate.h (struct inline_remap): Add local_return_label.
2148 * integrate.c (expand_inline_function): Initialize it and emit
2149 it after copy_insn_notes.
2150 (copy_insn_list): Don't store local_return_label here.
2151 (copy_insn_notes): New function split out from copy_insn_list.
2153 2001-03-17 Richard Henderson <rth@redhat.com>
2155 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2156 is generating .debug_line.
2157 (dwarf2out_init): Add main_input_filename to the file table first.
2158 * configure.in (as_dwarf2_debug_line): Test with file number 1
2159 instead of file number 0.
2161 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2163 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2164 (gen_rtx_combine): Deleted; all references changed as appropriate.
2165 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2167 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2169 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2171 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2174 2001-03-16 Jim Wilson <wilson@redhat.com>
2176 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2177 then set it to LOC_REG (79) instead of aborting.
2179 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2181 * gccbug.in: Remove high priority.
2183 2001-03-16 Richard Henerson <rth@redhat.com>
2185 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2186 output with a space instead of deleting it.
2187 * configure: Regenerate.
2189 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2191 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2192 handles the gory details of converting an object file into
2193 something that's safe to grep.
2194 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2195 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2196 newlines at either end of the string we're looking for.
2197 Make 'checking ...' message less stilted.
2198 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2199 ARM in-memory layout and its hypothetical converse. Don't
2200 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2201 HOST_WORDS_BIG_ENDIAN.
2203 * configure.in: Adjust for renamed macro. Move
2204 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2205 * configure, config.in: Regenerate.
2207 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2209 * fixinc/Makefile.in: Set SHELL.
2211 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2213 * fixinc/fixincl.c (fix_with_system): Quote file names before
2214 passing them to shell.
2216 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2218 * Makefile.in: Use fix-header$(build_exeext) instead
2221 2001-03-16 Richard Henderson <rth@redhat.com>
2223 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2224 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2225 (size_of_line_prolog): Remove.
2226 (output_line_info): Compute prologue size via label difference.
2227 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2229 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2230 assembler error when redefining file numbers.
2231 * config.in, configure: Rebuild.
2233 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2234 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2235 (dw2_asm_output_delta_uleb128): Likewise.
2236 (dw2_asm_output_delta_sleb128): Similarly.
2237 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2239 2001-03-16 Michael Meissner <meissner@redhat.com>
2241 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2243 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2245 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2247 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2248 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2249 being unsigned in ISO C and signed in traditional.
2250 (expand_prologue): Ditto.
2251 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2253 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2255 (divsi3,divdi3): Ditto.
2256 (modsi3,moddi3): Ditto.
2257 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2258 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2259 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2262 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2264 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2265 SSE based conditional moves on LTGT/UNEQ conditions;
2266 Canonicalize EQ to NE.
2267 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2268 (sse_mov?fcc_ne): New.
2270 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2272 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2274 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2275 register may be dead.
2277 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2279 * Makefile.in (hash.o): Depend on CONFIG_H.
2281 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2283 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2285 2001-03-15 Richard Henderson <rth@redhat.com>
2287 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2288 (ASM_OUTPUT_DWARF_PCREL): New.
2289 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2291 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2293 * cppfiles.c (stack_include_file): Use MAX of sysp.
2295 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2297 * config.gcc (ia64*-*-hpux*): New case.
2298 * config/ia64/hpux.h: New file for HP-UX support.
2299 * config/ia64/t-hpux: New file for HP-UX support.
2301 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2303 * fixinc/inclhack.def (irix_stdio_va_list): New.
2304 * fixinc/fixincl.x: Rebuilt.
2306 2001-03-15 Richard Henderson <rth@redhat.com>
2308 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2309 if provided by the target.
2310 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2311 (dw2_asm_output_addr): New.
2312 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2313 * dwarf2out.c (output_cfi): Use it for program addresses.
2314 (output_call_frame_info, output_die): Likewise.
2315 (output_aranges, output_line_info): Likewise.
2317 2001-03-15 Bruce Korb <bkorb@gnu.org>
2319 * gcc.c(main): make more rigorous
2320 * collect2.c(main): guard against ignoring SIGCHLD
2321 * protoize.c(main): ditto
2322 * gcc/fixinc/fixincl.c(initialize): ditto
2324 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2326 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2327 (sdbout_parms): Likewise.
2329 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2331 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2332 "widen" a destination that is already wider than a word. Also do
2333 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2335 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2337 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2339 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2341 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2343 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2345 * i960.h (i960_maxbitalignment,
2346 i960_last_maxbitalignment): Declare.
2347 * i960.c (i960_maxbitalignment,
2348 i960_last_maxbitalignment): Make global.
2349 (process_pragma): Delete.
2350 (i960_pr_align, i960_pr_noalign): Move from here ...
2351 * i960-c.c: ... to this new file.
2352 * t-960bare (i960-c.o): New rule.
2353 * t-vxworks960 (i960-c.o): Likewise.
2354 * config.gcc (i960-*-*): Define c_target_objs and
2357 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2359 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2360 without adding in rtx code and mode.
2362 * alias.c (init_alias_analysis): Don't use any rtx whose value
2363 varies as a known value.
2364 Delete a superfluous test.
2366 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2368 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2369 scheduling a stop bit.
2370 (ia64_emit_nops): Correctly handle ASMs.
2372 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2374 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2376 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2378 * cpp.texi: Update documentation for -include and -imacros.
2379 * cppfiles.c (struct include_file): Remove "defined" memeber.
2380 (find_or_create_entry): Make a copy of the file name, and
2382 (open_file): Update to ensure we use the simplified filename.
2383 (stack_include_file): Don't set search_from.
2384 (cpp_included): Don't simplify the path name here.
2385 (find_include_file): New prototype. Call search_from to
2386 get the start of the "" include chain. Don't simplify the
2388 (_cpp_execute_include): New prototype. Move diagnostics to
2389 do_include_common. Update.
2390 (_cpp_pop_file_buffer): Don't set defined.
2391 (search_from): New prototype. Use the preprocessor's cwd
2392 for files included from the command line.
2393 (read_name_map): Don't simplify the pathname here.
2394 * cpphash.h (enum include_type): New.
2395 (struct buffer): Delete search from. New search_cached.
2396 (_cpp_execute_include): Update prototype.
2397 * cppinit.c (do_includes): Use _cpp_execute_include.
2398 * cpplib.c (do_include_common): New function.
2399 (do_include, do_include_next, do_import): Use it.
2401 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2403 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2404 contents of the RTL, to determine the name of the object.
2406 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2408 * tree.h (DECL_RTL): Allocate RTL lazily.
2409 (SET_DECL_RTL): New macro.
2410 (DECL_RTL_SET_P): Likewise.
2411 (COPY_DECL_RTL): Likewise.
2412 (DECL_RTL_IF_SET): Likewise.
2413 * varasm.c (make_decl_rtl): Add assertions about the kind of
2414 declaration we are processing.
2415 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2416 (start_decl): Likewise.
2417 (finish_decl): Likewise.
2418 * c-semantics.c (emit_local_var): Likewise.
2419 * calls.c (expand_call): Likewise.
2420 * dbxout.c (dbxout_symbol): Likewise.
2421 * emit-rtl.c (unshare_all_rtl): Likewise.
2422 (unshare_all_decls): Likewise.
2423 (reset_used_decls): Likewise.
2424 * expr.c (store_constructor): Likewise.
2425 (safe_from_p): Likewise.
2426 (expand_expr): Likewise.
2427 * function.c (put_var_into_stack): Likewise.
2428 (instantiate_decls_1): Likewise.
2429 (assign_parms): Likewise.
2430 (expand_function_start): Likewise.
2431 (expand_function_end): Likewise.
2432 * ggc-common.c (gcc_mark_trees): Likewise.
2433 * integrate.c (function_cannot_inline_p): Likewise.
2434 (copy_decl_for_inlining): Likewise.
2435 (expand_inline_function): Likewise.
2436 (integrate_parm_decls): Likewise.
2437 (integrate_decl_tree): Likewise.
2438 * print-tree.c (print_node): Likewise.
2439 * reg-stack.c (stack_result): Likewise.
2440 * stmt.c (label_rtx): Likewise.
2441 (expand_return): Likewise.
2442 (expand_decl): Likewise.
2443 (expand_decl_cleanup): Likewise.
2444 (expand_anon_union_decl): Likewise.
2445 * toplev.c (check_global_declarations): Likewise.
2446 (rest_of_decl_compilation): Likewise.
2447 * tree.c (simple_cst_equal): Likewise.
2448 * objc/objc-act.c (generate_static_references): Likewise.
2450 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2452 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2453 gcc_AC_C_FLOAT_FORMAT): New macros.
2454 * configure.in: Add AC_PROG_CPP after CC tests;
2455 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2456 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2457 * configure, config.in: Regenerate.
2459 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2460 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2461 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2462 config/i370/xm-linux.h, config/i370/xm-oe.h,
2463 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2464 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2465 config/pa/xm-linux.h, config/pa/xm-pa.h,
2466 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2467 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2468 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2469 config/we32k/xm-we32k.h: Delete.
2471 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2472 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2473 config/vax/xm-vms.h: Don't define any of:
2474 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2476 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2478 * config.gcc: Remove references to deleted files.
2479 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2480 FATAL_EXIT_CODE, which is the same between oe and mvs).
2482 2001-03-14 DJ Delorie <dj@redhat.com>
2483 Vladimir Makarov <vmakarov@redhat.com>
2485 * config/i960/i960.c (i960_function_prologue): Compute size of
2486 frame according to number of registers actually saved there.
2488 2001-03-14 Richard Henderson <rth@redhat.com>
2490 * expr.c (emit_move_insn_1): Fix else if around #endif.
2492 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2495 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2498 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2500 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2501 (override_options): Parse cmodel string.
2502 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2503 * i386.h (TARGET_OPTIONS): Add "cmodel".
2504 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2506 (ix86_cmodel_string, ix86_cmodel): Declare.
2508 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2511 * i386.h (GENERAL_REG_P): Add missing REG_P.
2513 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2515 * configure.in: Use $gcc_cv_as instead of $as.
2516 * configure: Regenerated.
2518 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2520 * cppfiles.c (stack_include_file): Only increase the include
2521 count if we actually process the file properly, as opposed
2522 to treating it as length zero. Only call read_include_file
2523 if not DO_NOT_REREAD. Handle the -H include file output
2525 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2526 (cpp_included, find_include_file): Simplify pathnames after
2527 remapping them. If remapping, don't use the remapped file
2528 name's buffer as our scratch buffer.
2529 (cpp_pop_file_buffer): Replace the multiple include macro
2530 only if it isn't yet set.
2531 (read_name_map): Simplify remapped names when reading in.
2532 (remap_filename): Move code to code path that uses it.
2533 (_cpp_simplify_pathname): Return the input pointer.
2534 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2536 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2538 * expr.c (expand_expr): Revove bogus conditional.
2540 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2542 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2544 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2546 * reg-stack.c (stack_result): Unconditionally use
2547 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2549 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2551 * expr.c (emit_move_insn_1): Split push of complex value when
2552 no suitable push instruction exist.
2554 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2555 instead of QI_REG_P.
2557 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2559 * alias.c (handled_component_p, can_address_p): New functions.
2560 (get_alias_set): Use them.
2562 2001-03-13 Jim Wilson <wilson@redhat.com>
2564 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2565 from 80 in try_locals code.
2566 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2568 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2570 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2571 gcc_AC_C_LONG_LONG): New.
2572 * configure.in: Use them. Probe the size of short, int, long,
2573 and long long/__int64 if we have them. Move all the AC_C_*
2574 checks together, except gcc_AC_C_CHAR_BIT which has to go
2575 after AC_CHECK_HEADERS(limits.h).
2576 Take hwint.h out of host_xm_file and build_xm_file.
2578 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2579 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2580 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2581 Move the HOST_WIDEST_INT setup logic here from system.h.
2582 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2584 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2585 is now handled by hwint.h.
2587 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2588 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2589 config/ia64/xm-ia64.h: Don't define any of:
2590 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2591 HOST_BITS_PER_LONGLONG.
2593 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2594 config/h8300/xm-h8300.h, config/mips/iris6.h,
2595 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2596 config/sparc/xm-sp64.h: Delete.
2597 * config.gcc: Remove references to deleted files.
2599 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2600 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2601 * config/i370/xm-linux.h: Clarify floating-point situation in
2604 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2606 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2607 (find_include_file): Decide here which part of the include
2608 chain to start the search. Complain about an empty include
2609 chain in all cases apart from an abolsute file name.
2610 (_cpp_execute_include): Don't choose the search chain here.
2611 Don't call handle_missing_include in the case of an empty
2613 (_cpp_compare_file_date): Don't choose the search chain here.
2614 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2615 here from _cpp_execute_include. Behave like #include if
2616 we're in the main file.
2618 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2620 * system.h (malloc, realloc, calloc, strdup): Only poison these
2621 tokens when IN_GCC is defined.
2623 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2625 * i386.md (abs?f expander): Support SSE case.
2626 (abd?f_if): Add new "USE"; add splitters.
2628 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2630 * cpp.texi (poison): Explain the macro expansion exception.
2632 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2634 * expr.c (store_expr): Add dont_store_target. If temp is already in
2635 target before copying to reg, don't store it into target again.
2637 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2639 * cppinternals.texi: Update for file handling.
2641 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2643 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2644 2001-02-24 which broke building the Java library.
2645 * function.c (identify_blocks): Likewise.
2646 (all_blocks): Likewise.
2647 * integrate.c (integrate_decl_tree): Likewise.
2648 * print-tree.c (print_node): Likewise.
2649 * tree.h (BLOCK_NUMBER): Likewise.
2650 (struct tree_block): Likewise.
2652 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2654 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2655 __WCHAR_TYPE__ definition.
2656 (WCHAR_TYPE_SIZE): #undef before #define.
2658 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2660 * cppfiles.c: Update comments.
2661 (destroy_include_file_node): Rename destroy_node.
2662 (find_or_create_entry): New function.
2663 (open_file, _cpp_fake_include): Use it.
2664 (handle_missing_header): New function, broken out of
2665 _cpp_execute include. Don't segfault if there is no
2666 system or quoted path.
2667 (_cpp_execute_include): Use handle_missing_header.
2669 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2671 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2672 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2674 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2676 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2677 unless anti_dependence says they are.
2678 * alias.c (objects_must_conflict): If neither has a type specified,
2681 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2682 David Billinghurst <David.Billinghurst@riotinto.com>
2684 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2686 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2688 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2689 (*_one_bit): Remove type on the match_operand in attributes.
2691 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2693 * i386.c: Commit forgotten hunk in previous patch.
2694 (regclass_map): Add extended registers.
2695 (dbx_register_map): Add missing frame register.
2697 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2699 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2701 * i386.md (x86_sahf_1): Disable for 64bit.
2702 (popsi*, pophi*): Likewise.
2703 (pushqi, pushhi): Likewise.
2704 (movdi, pushdi): Likewise.
2705 (zero extend DImode splitter): Likewise.
2706 (adddi, minusdi splitter): Likewise.
2707 (umulsidi): Likewise.
2709 (mulsidi): Disable for 64bit
2710 (lshift:DI/ashift:DI): Disable for 64bit.
2711 (loop patterns): Likewise.
2712 (call_pop, call_value_pop expanders and patterns): Likewise.
2713 (prologue_get_pc): Likewise.
2715 (fcmovDI pattern and splitter): Likewise.
2716 (movdfcc_1_rex64): New.
2718 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2720 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2721 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2722 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2723 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2724 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2725 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2726 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2727 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2728 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2729 (REGPARM_MAX): Set to 6 for x86_64.
2730 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2731 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2734 * (patterns that does use upper halves): Update constraints
2735 'q' to 'Q' and 'r' to 'R'.
2736 (cmpqi_ext_1): Disable for 64bit.
2737 (cmpqi_ext_3_insn): Likewise.
2738 (movqi_extzv_1): Likewsie.
2739 (addqi_ext_1): Liekwsie
2740 (testqi_ext_1): Liekwsie
2741 (andqi_ext_1): Liekwsie
2742 (xorqi_ext_1): Liekwsie
2743 (cmpqi_ext_1_rex64): New.
2744 (cmpqi_ext_3_insn_rex64): Likewise.
2745 (movqi_extzv_1_rex64): Likewsie.
2746 (addqi_ext_1_rex64): Liekwsie
2747 (testqi_ext_1_rex64): Liekwsie
2748 (andqi_ext_1_rex64): Liekwsie
2749 (xorqi_ext_1_rex64): Liekwsie
2751 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2753 * configure.in: Move check for unsigned enumerated bitfields
2754 to macro in aclocal.m4. Disable it for now.
2755 * configure, config.in: Regenerate.
2756 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2757 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2758 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2759 kind above its first use.
2761 * config/xm-interix.h, config/alpha/xm-alpha.h,
2762 config/i370/xm-linux.h, config/i386/xm-beos.h,
2763 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2764 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2765 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2766 Don't define ONLY_INT_FIELDS under any circumstances.
2768 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2770 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2771 config/sparc/xm-sysv4.h: Delete - now identical with some
2773 * config.gcc (hppa targets): Replace xm-pahpux.h and
2774 xm-papro.h with implicit xm-pa.h.
2775 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2778 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2780 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2781 before reload_cse_noop_set_p.
2783 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2785 * config.gcc: Where xm-host.h used to include another
2786 xm-host.h, list the nested header directly in xm_file. Remove
2787 references to deleted files. Can now use sparc/xm-sp64.h for
2790 * config/xm-linux.h, config/arm/xm-linux.h,
2791 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2792 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2793 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2794 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2795 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2798 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2799 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2800 bother to wrap #undef in #ifdef.
2801 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2802 Don't include xm-linux.h.
2803 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2805 * configure.in: Wrap regexps using [] in changequote block.
2806 Use expr : not echo | grep. Simplify regexps.
2807 * configure: Regenerate.
2809 56 xm-files remain, 22 xm-arch.
2811 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2813 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2814 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2815 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2816 (copy_object): Fix format specifier vs argument mismatch.
2818 * mips-tdump.c: Make local functions static.
2819 (rindex): Don't #undef.
2820 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2821 (fatal, fancy_abort): Delete.
2822 (read_seek): Avoid signed/unsigned compare.
2824 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2826 * combine.c (try_combine): Fix error in change to try original
2828 (gen_rtx_combine): Do same as gen_rtx for now.
2830 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2832 * configure.in: AC_SUBST xm_defines.
2833 * configure: Regenerate.
2834 * Makefile.in: Set DEFINES=$(xm_defines) when building
2837 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2839 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2840 (cpp_included, find_include_file): Update.
2841 (_cpp_compare_file_date): Make else unconditional.
2843 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2845 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2847 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2849 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2850 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2852 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2854 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2855 if it's a record type.
2857 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2859 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2860 mingw includes slightly.
2862 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2864 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2865 #undef token before poisoning it.
2867 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2869 * alpha.c (check_float_value): Use memcpy, not bcopy.
2871 * m32r.c (m32r_sched_reorder): Likewise.
2873 * vax.c (check_float_value): Likewise.
2875 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2877 * toplev.c (file_name_nondirectory): Remove.
2878 * toplev.h: Similarly.
2879 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2880 of file_name_nondirectory.
2882 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2884 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2885 * mips-tfile.c: Don't #undef rindex; not used.
2887 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2889 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2890 (dbx64_register_map): Declare.
2891 (RETURN_ADDR_RTX): Fix for 64bit.
2892 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2893 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2894 * i386.c (dbx64_register_map): New global array.
2895 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2896 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2899 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2901 * cppfiles.c (search_from): Use lbasename.
2902 * mkdeps.c (deps_add_default_target): Use lbasename.
2904 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2906 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2907 xcalloc in lieu of malloc, realloc & calloc.
2909 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2911 * gengenrtl.c (xmalloc): Likewise.
2913 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2914 really_call_* memory allocation routines.
2916 * stmt.c (check_for_full_enumeration_handling): Use
2917 really_call_calloc, not calloc.
2919 * system.h (really_call_malloc, really_call_calloc,
2920 really_call_realloc): Define.
2921 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2923 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2925 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2927 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2929 * configure: Rebuilt.
2930 * configure.in: Only use `lang_requires' for languages athat are
2933 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2935 * invoke.texi: Fix typo.
2936 * gcc.1: Regenerate.
2938 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2940 * configure.in: Prune nonexistent files from build_xm_file,
2941 xm_file, and host_xm_file lists. Warn unless they're
2943 Don't generate *config.h here.
2944 AC_SUBST all variables needed to generate *config.h.
2945 * configure: Regenerate.
2946 * mkconfig.sh: New helper script, from code removed from
2948 * Makefile.in: Zap all MALLOC variables - no longer used
2949 anywhere, and malloc.c doesn't exist.
2950 Substitute in variables needed to generate *config.h.
2951 Stop lying about the dependencies contained in CONFIG_H and
2953 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2954 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2955 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2956 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2957 $(TM_P_H), etc. as appropriate.
2959 * config.gcc: Zap references to deleted files.
2960 * ggc-none.c: Don't include rtl.h or tm_p.h.
2962 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2963 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2964 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2965 config/i386/xm-linux.h, config/i386/xm-linux.h,
2966 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2967 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2968 Don't include i386/xm-i386.h.
2970 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2971 config/i386/xm-i386.h, config/i860/xm-i860.h,
2972 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2973 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2974 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2975 Delete (empty except comments, #includes of other deleted
2976 files, and macros used nowhere).
2978 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2980 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2981 independent on TARGET_FLAGS.
2983 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2985 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2987 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2989 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2991 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2992 LAST_REX_SSE_REG): define.
2993 (enum reg_class): Add 'LEGACY_REGS'
2994 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2995 (SSE_REGNO_P): Recognize extended registers.
2996 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2997 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2998 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2999 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3000 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3001 REG_OK_FOR_STRREG_P): Remove.
3002 (HI_REGISTER_NAMES): Add extended registers.
3003 (ADDITIONAL_REGISTER_NAMES): Likewise.
3004 (QI_REGISTER_NAMES): Add 8bit extended registers.
3005 (DEBUG_REG): Support extended registers.
3006 * i386.c (regclass_map): Add extended registers.
3007 (dbx_register-map): Likewise.
3008 (svr4_dbx_register_map): Likewise.
3009 (print_reg): Support extended registers.
3010 (print_operand): Support 64bit operands.
3012 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3014 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3015 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3016 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3017 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3018 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3019 STACK_BOUNDARY): Set properly for 64bits.
3020 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3021 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3022 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3023 (MOVE_MAX): Set to 16.
3024 (MOVE_MAX_PIECES): 8 for 64bit.
3025 (Pmode): Set to SImode.
3027 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3029 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3031 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3033 * i386.h (mask_64bit): New constant.
3034 (target_64bit): New macro.
3035 (target_options): Add '64'/'32'
3036 (target_default): Define.
3037 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3038 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3039 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3041 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3043 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3045 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3047 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3048 LO_SUM unless for_alias is set.
3050 2001-03-08 Stan Shebs <shebs@apple.com>
3052 * objc/objc-act.c: Fix old typos in comments, add comments for
3054 (hash_init): Fix file name in error message.
3055 (hash_enter): Ditto.
3056 (hash_add_attr): Ditto.
3057 (continue_class): Ditto.
3059 2001-03-08 Bruce Korb <bkorb@gnu.org>
3061 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3062 wait4() can receive the signal.
3064 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3066 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3068 * fixinc/fixincl.x: Regenerate.
3070 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3072 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3074 * fixinc/fixincl.x: Regenerate.
3076 2001-03-08 Richard Henderson <rth@redhat.com>
3078 * configure.in (HAVE_AS_LEB128): New assembler check.
3079 * configure, config.in: Rebuilt.
3081 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3083 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3086 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3088 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3089 references to the MAXPATHLEN macro.
3091 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3092 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3095 * config/i386/xm-gnu.h, config/xm-gnu.h,
3096 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3097 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3098 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3099 and/or unused files.
3101 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3102 doing so in various xm-*.h files.
3104 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3106 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3108 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3110 * configure.in (enable_shared): Support per-package shared-library
3112 * configure: Rebuilt.
3114 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3116 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3117 for crnot. Set operands[5] in splitter.
3119 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3121 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3122 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3123 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3124 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3125 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3126 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3127 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3130 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3131 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3132 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3133 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3134 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3135 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3136 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3137 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3138 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3139 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3140 Delete unused and/or empty files.
3142 * config.gcc: Define USG in xm_defines as appropriate. Define
3143 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3144 macro. Remove deleted xm-* files from $xm_files variable.
3146 2001-03-07 Tom Tromey <tromey@redhat.com>
3148 * configure: Rebuilt.
3149 * configure.in: Allow config-lang.in to set `lang_requires' to list
3150 of other required languages.
3152 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3154 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3156 (output_prologue): Use xmalloc not oballoc.
3157 (output_epilog): Free a29k_first_epilogue_insn when finished.
3158 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3160 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3162 * builtins.c (expand_builtin_mathfn): Check
3163 flag_unsafe_math_optimizations, not flag_fast_math.
3164 (expand_builtin): Likewise
3165 * combine.c (combine_simplify_rtx): Likewise.
3166 (simplify_if_then_else): Likewise.
3167 * cse.c (fold_rtx): Likewise.
3168 * flags.h: Remove flag_fast_math. Add
3169 flag_unsafe_math_optimizations and flag_trapping_math.
3170 * fold-const.c (negate_expr): Check
3171 flag_unsafe_math_optimizations, not flag_fast_math.
3172 (invert_truthvalue): Likewise.
3173 (fold): Likewise. Before associating operands, check that
3174 code == MULT_EXPR, not code != MULT_EXPR.
3175 * ifcvt.c (noce_try_minmax): Check
3176 flag_unsafe_math_optimizations, not flag_fast_math.
3177 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3178 * invoke.texi: Document -funsafe-math-optimizations and
3179 -fno-trapping-math. Change documentation for -ffast-math.
3180 * jump.c (reversed_comparison_code_parts): Likewise.
3181 (rtx_equal_for_thread_p): Likewise.
3182 * optabs.c (emit_conditional_move): Likewise.
3183 * simplify-rtx.c (simplify_binary_operation): Likewise.
3184 (simplify_relational_operation): Likewise.
3185 (simplify_ternary_operation): Likewise.
3186 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3187 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3188 Add trapping-math and unsafe-math-optimizations entries to f_options.
3189 (set_fast_math_flags): New, sets flags for -ffast-math.
3190 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3191 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3192 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3194 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3195 (alpha_emit_conditional_move): Initialize local_fast_math to
3196 flag_unsafe_math_optimizations, not flat_fast_math.
3197 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3198 instead of setting flag_fast_math to 1.
3199 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3201 * config/i386/i386.c (override_options): Likewise
3202 * config/i386/i386.md: Likewise.
3203 * config/m68k/m68k.md: Likewise.
3204 * config/mips/mips.md: Likewise.
3205 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3206 (rs6000_generate_compare): Likewise.
3208 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3210 * Makefile.in: Set RANLIB to @RANLIB@.
3213 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3215 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3216 * fixinc/fixincl.x: Regenerated.
3218 2001-03-07 Richard Henderson <rth@redhat.com>
3220 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3222 2001-03-07 Richard Henderson <rth@redhat.com>
3224 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3225 of block notes and exception handling notes.
3227 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3228 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3229 (compile_file): ... here.
3231 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3233 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3235 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3236 config.h now. Include libiberty.h to handle alloca.
3238 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3240 * c-parse.in (yylexname): New function, split out of _yylex.
3241 (objc_rid_sans_at): New table.
3242 (init_reswords): Initialize it.
3243 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3244 retrieving the next token and checking it for significance as
3245 an ObjC keyword or string constant.
3247 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3248 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3250 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3253 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3255 * config/m68k/m68k.c (const_uint32_operand): Accept any
3256 const_int on a 32-bit host.
3258 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3260 * objc/objc-act.c (init_objc): Set save_lang_status,
3261 restore_lang_status, and mark_lang_status.
3263 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3265 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3267 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3269 * cppinternals.texi: Update.
3271 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3273 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3274 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3275 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3276 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3277 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3278 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3279 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3280 config/i386/xm-i386.h, config/i860/xm-i860.h,
3281 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3282 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3283 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3284 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3285 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3286 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3287 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3288 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3289 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3290 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3291 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3292 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3293 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3294 match the defaults provided in hwint.h.
3296 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3297 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3299 * config.gcc (xm_file): Don't set to files which are deleted.
3301 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3302 guard this file against these macros being undefined.
3304 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3306 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3307 and DECL_DEFER_OUTPUT on the decl we create, before calling
3308 rest_of_decl_compilation.
3310 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3312 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3314 * configure, config.in: Regenerate.
3315 * config.gcc: Remove references to deleted files.
3317 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3318 genrecog.c, rtl.c: Do not use alloca anywhere.
3320 * Makefile.in, build-make, system.h, config/x-interix,
3321 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3322 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3323 config/arc/xm-arc.h, config/arm/xm-arm.h,
3324 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3325 config/h8300/xm-h8300.h, config/i370/x-oe,
3326 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3327 config/i386/x-ncr3000, config/i386/x-sco5,
3328 config/i386/xm-dgux.h, config/i860/x-sysv4,
3329 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3330 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3331 config/m68k/x-hp320g, config/m69k/x-mot3300,
3332 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3333 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3334 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3335 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3336 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3337 config/mips/x-iris, config/mips/x-iris3,
3338 config/mips/x-sni-svr4, config/mips/x-sysv,
3339 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3340 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3341 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3342 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3343 config/pa/xm-papro.h, config/romp/xm-romp.h,
3344 config/rs6000/x-aix31, config/rs6000/x-aix41,
3345 config/rs6000/x-beos, config/rs6000/x-lynx,
3346 config/rs6000/x-mach, config/rs6000/x-rs6000,
3347 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3348 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3349 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3350 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3351 config/vax/xm-vms.h: Eradicate all references to alloca and
3354 * config/xm-alloca.h, config/clipper/x-clix,
3355 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3356 config/i860/x-sysv3, config/m88k/x-sysv3,
3357 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3358 (contained only alloca related hacks).
3360 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3363 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3365 * invoke.texi: Document __FAST_MATH__.
3367 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3369 * crtstuff.c: Restore include of auto-host.h.
3371 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3373 Put main() in a separate file, so that the language
3374 front-end can use a different main().
3377 * toplev.c: (main): Rename as toplev_main.
3378 * toplev.h: Declare toplev_main.
3379 * Makefile.in (OBJS): add toplev.o.
3380 (BACKEND): remove toplev.o, add main.o.
3382 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3384 * cppfiles.c (search_from): Special case the empty string.
3386 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3388 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3389 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3390 strlen or strcpy; we already know the length.
3391 (_cpp_compare_file_date): Similarly.
3392 * cpphash.h (struct cpp_reader): Delete done_initialising.
3393 (CPP_PREV_BUFFER): Delete.
3394 * cppinit.c (cpp_start_read): Don't set done_initialising.
3395 * cpplex.c (parse_string): Guarantee null-termination.
3396 (_cpp_equiv_toklists): Remove.
3397 * cpplib.c (glue_header_name): Null-terminate.
3398 (do_line): Don't leak memory.
3399 * cpplib.h (BT_WEAK): Delete.
3400 * cppmain.c (cb_ident): Strings are now null-terminated.
3402 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3404 * gcc.c (convert_filename): Append executable suffix
3405 if NO_AUTO_EXE_SUFFIX is not defined.
3406 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3407 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3409 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3411 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3412 * c-parse.gperf, c-gperf.h: Delete.
3413 (c-gperf.h was accidently re-added to the CVS repo in the rev
3414 1.16 commit by tromey)
3416 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3418 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3419 macro arguments when looking for the '('.
3420 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3421 2 when really parsing arguments; 1 when looking for '('.
3422 Always restore the lexer position.
3424 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3426 * longlong.h (umul_ppmm): Don't use a multiline string.
3428 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3430 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3431 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3432 t_bool in declaration because pcc can't combine volatile with typedef
3435 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3437 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3438 until when it is really needed.
3439 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3440 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3441 * i386.md (float?i?f splitter): Don't force source operand to memory
3443 (sse_movdfcc): Fix constraint.
3444 (sse_movdfcc splitter): Handle properly the second alternative.
3446 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3448 * cpplex.c (parse_string): Unconditionally pedwarn.
3450 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3453 * cppexp.c (parse_number): Update.
3454 * cpplex.c (parse_string): Pedwarn if multiline string does not
3455 result from a system header's macro.
3456 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3457 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3458 for function-like macros too.
3459 * c-lex.c (lex_number): Update.
3461 2001-03-03 Richard Henderson <rth@redhat.com>
3463 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3465 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3467 * combine.c (try_combine): If split with mode-changed scratch
3468 register didn't work, try the original mode.
3470 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3472 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3473 * config/c4x/c4x.h: Likewise.
3474 * stor-layout.c (compute_record_mode): Likewise.
3475 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3477 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3479 * configure.in: Kill tm.h. Include the files in the $tm_file
3480 list in all three of config.h, hconfig.h, tconfig.h, after the
3481 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3482 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3483 * configure: Regenerate.
3484 * Makefile.in (clean): Don't delete tm.h.
3486 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3487 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3488 those are not defined, set SEC and FEC to 0 and 1.
3489 * gcc.texi: Update to match.
3491 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3492 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3493 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3494 Include tconfig.h, not tm.h.
3496 * config/xm-lynx.h, config/xm-std32.h,
3497 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3498 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3499 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3500 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3501 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3502 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3503 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3504 config/i386/xm-i386.h, config/i860/xm-i860.h,
3505 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3506 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3507 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3508 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3509 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3510 config/pa/xm-linux.h, config/pa/xm-pa.h,
3511 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3512 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3513 config/pj/xm-pj.h, config/romp/xm-romp.h,
3514 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3515 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3516 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3517 config/v850/xm-v850.h, config/vax/xm-vax.h,
3518 config/we32k/xm-we32k.h:
3520 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3522 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3523 config/i370/xm-oe.h: Don't include tm.h. Don't define
3525 * config/vax/xm-vms.h: Don't include tm.h.
3527 * config/xm-lynx.h, config/avr/xm-avr.h,
3528 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3529 Delete; made empty by above changes.
3530 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3531 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3532 Don't include config/xm-lynx.h or tm.h.
3534 * config/xm-gnu.h: Don't include fcntl.h.
3535 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3537 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3539 2001-03-02 Richard Henderson <rth@redhat.com>
3541 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3542 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3544 2001-03-02 Richard Henderson <rth@redhat.com>
3546 * Makefile.in (OBJS): Add dwarf2asm.o.
3547 * dwarf2asm.c, dwarf2asm.h: New files.
3548 * dwarf2out.c (*): Use them.
3549 (size_of_uleb128, size_of_sleb128): Remove.
3550 (output_uleb128, output_sleb128): Remove.
3551 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3552 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3553 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3554 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3555 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3556 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3557 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3558 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3559 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3560 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3561 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3562 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3563 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3564 (dwarf2out_frame_debug): Remove unused variables.
3565 (output_loc_operands): Don't abort on 8 byte constants if
3566 host integers are wide enough.
3567 (output_symbolic_ref): Remove.
3568 (size_of_die): Don't assume 4 byte host integers.
3569 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3571 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3572 something stupid with HOST_WIDE_INT to long truncation.
3573 [CONST_DOUBLE]: Likewise.
3575 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3576 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3577 * config/arm/unknown-elf.h: Likewise.
3578 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3579 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3580 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3581 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3582 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3583 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3584 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3585 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3586 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3587 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3588 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3589 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3591 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3593 * cselib.c (hash_rtx): Cast enums to unsigned int.
3595 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3597 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3598 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3600 * c-format.c (C_STD_VER): Cast to int for comparisons.
3601 (check_function_format): Cast various enums to int for &.
3602 (maybe_read_dollar_number): Likewise.
3603 (check_format_info): Likewise.
3604 (check_format_info_main): Likewise.
3605 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3606 (safe_from_p): Likewise.
3607 * varasm.c (const_hash): Cast enum to int for %.
3608 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3609 pcc enum problems with < and ++ operators.
3610 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3611 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3612 (regclass_init): Change enum class to int to iterate over reg_classes.
3613 * genrecog.c (merge_trees): Cast enums for comparison.
3614 * rtl.h (GET_CODE): Cast to enum rtx_code.
3615 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3616 (GET_MODE): Cast to enum machine_mode.
3617 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3618 (GET_NOTE_INSN_NAME): Cast enum to int.
3619 * tree.h (TREE_CODE): Cast to enum tree_code.
3620 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3621 * timevar.c (timevar_print): Change loop variable id from enum to
3623 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3624 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3625 * toplev.c (compile_file): Cast enum DFI to int.
3626 (decode_d_option): Likewise.
3628 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3630 * cppinit.c (append_include_chain): Mark "after" include file name list
3631 as a system directory.
3632 * cpp.texi: Document new behavior.
3634 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3636 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3638 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3640 * cppfiles.c (struct include_file): Update.
3641 (stack_include_file): Use search_from.
3642 (cpp_included, find_include_file): Update.
3643 (cpp_execute_include): Update. ptr->name may not be
3644 null terminated. Use the new search_from member variable
3646 (_cpp_compare_file_date): Similarly.
3647 (search_from): New function, similiar to actual_directory.
3648 (actual_directory): Delete.
3649 (remap_filename): Update. loc->name may not be null terminated.
3650 (struct file_name_list): Rename search_path. Update.
3651 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3652 search_from and dir.
3653 (struct cpp_reader): Remove actual_dirs.
3654 * cppinit.c (struct cpp_pending): Update for renamed objects.
3655 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3656 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3657 * cpplib.h (struct cpp_options): Similarly.
3659 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3661 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3662 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3663 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3664 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3665 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3666 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3667 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3668 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3669 config/i370/xm-oe.h, config/i386/xm-aix.h,
3670 config/i386/xm-i386.h, config/i386/xm-osf.h,
3671 config/i860/xm-i860.h, config/i960/xm-i960.h,
3672 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3673 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3674 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3675 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3676 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3677 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3678 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3679 config/pj/xm-pj.h, config/romp/xm-romp.h,
3680 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3681 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3682 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3683 config/v850/xm-v850.h, config/vax/xm-vax.h,
3684 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3685 Do not define TRUE or FALSE.
3687 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3688 empty by above change.
3689 * config.gcc: Remove references to these files.
3691 * configure.in: Detect stdbool.h.
3692 * configure, config.in: Regenerate.
3693 * system.h: Include stddef.h here if available.
3694 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3695 Then set up a sensible boolean type at the very end.
3697 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3698 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3700 * hash.h: Delete 'boolean' typedef and related #undefs.
3702 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3703 all uses of 'boolean' with 'bool'.
3705 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3707 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3708 * cppexp.c (lex): Cast enums for comparison.
3709 * cppinit.c (parse_option): Cast enum for comparison.
3710 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3711 (cpp_output_token): Likewise.
3712 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3713 (cpp_avoid_paste): Cast enums for minus and comparison.
3715 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3717 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3718 field to all array elements.
3720 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3722 * cpphash.h (struct cpp_reader): Add print_version field.
3723 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3724 just set print_version and other flags as appropriate.
3725 (cpp_post_options): Print version here if print_version is set.
3727 * toplev.c (exit_after_options): New flag.
3728 (independent_decode_option): Don't exit here; just set
3730 (main): Exit after calling lang_hooks.post_options if
3731 exit_after_options is true.
3733 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3734 (merge_include_chains): Adjust comment to match code.
3736 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3738 * stringpool.c (set_identifier): New function.
3739 * tree.h: Prototype it.
3741 * c-parse.in: Kill D_YES. If compiled for objc, call
3742 save_and_forget_protocol_qualifiers from init_reswords.
3743 * objc/objc-act.c (remember_protocol_qualifiers,
3744 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3745 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3747 (save_and_forget_protocol_qualifiers): New function.
3748 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3750 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3752 * c-semantics.c (prune_unused_decls): Return error_mark_node
3753 instead of (tree) 1 to stop traversing the tree chain.
3755 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3757 Fix a problem introduced by Kenner's Feb 18 change.
3758 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3759 flag_cse_skip_blocks only temporarily, not for ever.
3761 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3763 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3764 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3766 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3767 before determining its register class.
3769 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3771 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3772 from reg 4 if current_function_calls_setjmp.
3773 (gen_nop_type): New function.
3774 (ia64_emit_nops): New function.
3775 (ia64_reorg): Call it.
3776 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3778 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3779 code not to try to optimize adds with anything but a REG destination.
3781 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3782 (INSN_PRIORITY_KNOWN): New accessor macro.
3783 * haifa-sched.c (priority): Use it instead of testing priority against
3786 2001-02-28 DJ Delorie <dj@redhat.com>
3788 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3789 since that doesn't work the way gcc wants on a generic m68k.
3791 2001-02-28 Richard Henderson <rth@redhat.com>
3793 * caller-save.c (save_call_clobbered_regs): Fix typo in
3794 comparison last change.
3796 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3798 * i386.c (pentium4_cost): New.
3799 (m_PENT4): New macro.
3800 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3801 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3802 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3803 x86_memory_mismatch_stall): Add Pentium4
3804 (x86_use_q_reg, x86_use_any_reg): Kill.
3805 (override_options): Add pentium4.
3806 (incdec_operand): Return 0 for pentium4.
3807 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3808 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3809 (TARGET_PENTIUM4): Define.
3810 (enum processor_type): Add PROCESSOR_PENTIUM4.
3811 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3812 * i386.md (attribute "cpu"): Add pentium4.
3813 * invoke.texi (march): Add pentium4.
3815 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3817 * i386.md (sse_mov?fcc*): New patterns and splitters.
3818 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3819 the SSE based conditional moves.
3821 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3823 * i386.md (attribute mode): Add "TI".
3824 (movsf_1): Add pxor support; remove constant propagation splitter.
3825 (movdf_integer): Likewise.
3826 (movdf_nointeger): Likewise.
3827 (movxf constant prop splitter): Handle all modes; update for SSE.
3828 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3829 * i386.c (standard_80387_constant_p): Rewrite.
3830 (standard_sse_constant_p): New.
3831 * i386-protos.h (standard_sse_constant_p): New.
3833 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3835 * i386.md (sse_setccsf, sse_setccdf): New.
3836 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3838 * i386.c (sse_comparison_operator): Accept the supported unordered
3839 comparses; be ready for fast_math.
3840 (print_operand): Support 'D'.
3842 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3844 * jump.c (reversed_comparison_code): Kill.
3846 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3848 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3851 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3853 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3854 add missing '%' in constraints.
3856 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3858 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3859 for HOST_BITS_PER_WIDE_INT == 32 too.
3861 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3863 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3865 (insert_save, insert_restore): New parameter save_mode.
3866 (init_caller_save): Update initialization of reg_save_code
3867 and reg_restore_code.
3868 (save_call_clobbered_regs): Compute save_modes and update calls to
3869 reg_save_code and reg_restore_code.
3870 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3871 of spill; update use of reg_restore_code.
3872 (insert_save): Likewise.
3873 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3874 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3875 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3877 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3879 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3880 noce_try_store_flag_inc, noce_try_store_flag_mask,
3881 noce_try_cmove_arith):
3882 Use reversed_comparison_code instead of reverse_comparison and
3883 can_reverse_comparison_p.
3885 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3887 * jump.c (reversed_comparison_code_parts): Allow reversal of
3888 unordered compares in -ffast-math mode; reverse ordered compares
3889 for FP even w/o -ffast-math.
3891 2001-02-27 Richard Henderson <rth@redhat.com>
3893 * print-rtl.c (print_rtx) [i]: Don't print field five on
3894 NOTEs other than NOTE_INSN_DELETED_LABEL.
3896 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3898 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3899 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3901 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3903 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3904 even if walk_subtrees is 0.
3905 * c-semantics.c (prune_unused_decls): Return a non-null value to
3906 stop traversing the tree chain.
3908 2001-02-27 DJ Delorie <dj@redhat.com>
3910 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3911 register, *then* define it as the new CFA.
3913 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3915 * pa.c (override_options): Promote -fpic to -fPIC.
3916 (legitimize_pic_address): Simplify due to removal of
3917 small PIC as a code generation option.
3918 (secondary_reload_class): Similarly.
3919 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3920 (PRINT_OPERAND_ADDRESS): Similarly.
3921 * pa.md (various patterns): Similarly.
3922 (small pic lo_sum pattern): Remove.
3924 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3927 * md.texi (min, max): Document
3929 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3931 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3932 TARGET_PARTIAL_REG_DEPENDENCY.
3933 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3935 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3937 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3939 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3941 * mips.c (mips_make_temp_file): Fix thinko in last change.
3943 2001-02-26 Jason Eckhardt <jle@redhat.com>
3945 * combine.c (known_cond): Do not reverse the condition when
3946 SMAX/UMAX is being considered and the condition is for equality
3949 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3951 2001-02-26 Philip Blundell <philb@gnu.org>
3953 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3955 * config/arm/linux-elf.h: Remove historical relics related to
3956 above configurations.
3957 * config/arm/linux-oldld.h: Delete.
3958 * config/arm/linux-elf26.h: Delete.
3960 2001-02-26 Jason Merrill <jason@redhat.com>
3962 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3964 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3965 recognize a tentative definition. Lose obsolete code.
3967 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3968 variables unless necessary, either.
3970 2001-02-25 Richard Henderson <rth@redhat.com>
3972 * ifcvt.c (struct noce_if_info): Add test_bb.
3973 (noce_get_alt_condition): New.
3974 (noce_try_minmax, noce_try_abs): New.
3975 (noce_operand_ok): New.
3976 (noce_process_if_block): Use them.
3977 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3979 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3981 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3984 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3986 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3987 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3989 (mips_asm_file_end): Free temp_filename here.
3991 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3993 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3994 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3996 * config/i386/i386.md (movstrsi): Handle FAIL case.
3998 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4000 * cppinit.c (builtin_array): Update.
4001 (init_builtins): Flag builtins to warn if redefined or
4002 undefined. Define __GXX_WEAK as a normal macro.
4003 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4004 * cpplib.h (NODE_WARN): New flag.
4005 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4006 Handle __STDC__ as a builtin only on Solaris.
4007 (warn_of_redefinition): Renamed from check_macro_definition.
4008 Reverse sense of test. Always warn if NODE_WARN.
4009 (_cpp_create_definition): Use warn_of_redefinition. Flag
4010 any macro beginning with "__STDC_" to require a mandatory
4011 warning if redefined or undefined.
4013 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4015 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4016 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4017 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4018 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4019 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4020 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4021 Don't define any of:
4022 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4023 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4024 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4025 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4026 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4028 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4029 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4032 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4033 Delete now-empty file.
4035 * alpha/vms.h: Define NEED_ATEXIT here...
4036 * alpha/xm-vms.h: ...not here.
4038 * i386/cygwin.h: Don't define PARAMS.
4039 * mips/mips.c: Don't prototype mktemp. Don't define
4040 P_tmpdir. Use make_temp_file to create temporary files.
4041 Don't be clever and delete temporary files early.
4042 * config.gcc: Drop references to deleted files. Don't define
4044 * gcc.texi: Don't mention USE_PROTOTYPES.
4046 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4048 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4049 (ix86_set_move_mem_attrs_1): Likewise.
4050 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4051 * config/i386/i386.md (movstrsi): Call it.
4053 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4055 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4056 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4057 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4058 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4060 (i750a-*-*): Error here if hosting on i750a.
4061 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4063 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4064 Remove (empty modulo comments).
4066 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4067 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4068 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4069 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4070 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4071 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4073 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4074 Remove reference to winnt.h in comment.
4075 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4077 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4079 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4080 used to set another biv.
4082 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4084 * tree.h (BLOCK_DEAD): New macro.
4085 (struct tree_block): New flag, dead_flag.
4086 * print-tree.c (print_node, case 'b'): Print missing fields.
4087 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4088 * function.c (identify_blocks): Enable test for misplaced notes.
4089 (all_blocks): Skip BLOCK_DEAD blocks.
4090 * integrate.c (integrate_decl_tree): Likewise.
4092 * errors.c (internal_error, trim_filename): New functions.
4093 (fancy_abort): Call internal_error.
4094 * errors.h (internal_error, trim_filename): New declarations.
4096 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4098 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4100 (EXTRA_CONSTRAINT): Formatting changes.
4102 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4104 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4106 2001-02-23 Per Bothner <per@bothner.com>
4108 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4109 so they can be called from java/jvspec.c.
4110 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4112 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4114 * i386.c (ix86_frame): New structure.
4115 (ix86_compute_frame_size): Kill.
4116 (ix86_compute_frame_layout): New.
4117 (ix86_save_reg): New.
4118 (ix86_can_use_return_insn_p): Use frame layout stuff.
4119 (ix86_expand_prologue): Likewise.
4120 (ix86_expand_epilogue): Likewise.
4121 (ix86_initial_elimination_offset): Likewise.
4122 (ix86_nsaved_regs): Use ix86_save_reg.
4123 (ix86_emit_save_regs): Likewise.
4125 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4127 * flow.c (find_sub_basic_blocks): New function.
4128 (split_block): Be ready for basic block introduced by CODE_LABEL.
4129 (commit_one_edge_insertion): Call find_sub_basic_block.
4131 * flow.c (make_edges): Add edge from entry for blocks starting with
4132 label having ALTERNATE_NAME
4134 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4136 * function.c (epilogue_done): Be ready for first basic block not
4137 containing PROLOGUE_END note.
4138 (reposition_prologue_and_epilogue_notes): Avoid placing
4139 PROLOGUE_END note between BASIC_BLOCK.
4141 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4143 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4145 2001-02-21 DJ Delorie <dj@redhat.com>
4147 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4148 check for current_function_has_nonlocal_goto from 1999-11-12.
4150 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4152 * diagnostic.c (trim_filename): No longer static.
4153 * toplev.h (trim_filename): Declare.
4154 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4155 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4156 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4157 (rtvec_check_failed_bounds): Likewise.
4158 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4160 * convert.c (convert_to_integer): Don't do unsigned unless result or
4161 both inputs are unsigned.
4163 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4166 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4168 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4170 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4172 * Makefile.in (resource.o): Add params.h dependence.
4173 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4174 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4175 * resource.c: Add dependence on params.h.
4176 (current_live_regs): Fix explanatory comment.
4177 (find_basic_block): Add new parameter to permit limiting search
4179 (mark_target_live_regs): Add new argument to find_basic_block call.
4180 (incr_ticks_for_insn): Likewise.
4182 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4184 * diagnostic.c (output_to_stream): Rename to
4185 output_buffer_to_stream. Loses the stream parameter.
4186 (init_output_buffer): Set diagnosic_buffer's stream.
4187 (flush_diagnostic_buffer): Adjust.
4188 (default_print_error_function): Likewise.
4189 (finish_diagnostic): Likewise.
4190 (verbatim): Likewise.
4192 * diagnostic.h (struct output_buffer): Add `stream' field.
4193 (output_buffer_attached_stream): New macro.
4195 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4197 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4198 check if either operand is divisible by C.
4199 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4200 If type is signed, consider negative numbers as well.
4202 2001-02-22 Richard Henderson <rth@redhat.com>
4204 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4205 reach .text instead of gp-relative relocs.
4206 * config/ia64/crtend.asm (.init): Likewise.
4208 2001-02-22 Andreas Jaeger <aj@suse.de>
4210 * extend.texi (C++ Attributes): Fix typo.
4212 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4214 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4215 functions, drop current_function_args_info.words test.
4216 (ia64_compute_frame_size): Mark syscall_linkage functions as
4217 using eight input registers.
4219 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4220 Bruce Korb <bkorb@gnu.org>
4222 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4223 * fixinc/README: Document how to convert sed substitutions
4224 to format style c_fix-es.
4225 * fixinc/fixincl.x: regen
4227 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4229 * gcc.c: Add comment explaining how to add a command-line option.
4230 Add title to specs language comment.
4232 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4234 * gcc.c (cc1_options): Add "-param".
4235 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4236 (option_map): Likewise.
4237 * toplev.c (display_help): Add entry for "--param".
4238 (independent_decode_option): Fix typographical error.
4240 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4241 Bernd Schmidt <bernds@redhat.com>
4242 Jan Hubicka <jh@suse.cz>
4244 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4245 (function_arg): Likewise.
4247 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4249 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4251 2001-02-21 Kazu Hirata <kazu@hxi.com>
4253 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4257 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4259 * flow.c (init_propagate_block_info): Canon address and use single_set
4260 for killing dead memory stores.
4262 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4264 * Makefile.in (reorg.o): Add params.h dependence.
4265 * params.def: Fix typographical error in comment.
4266 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4267 * params.h: Modify introductory comment.
4268 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4269 * reorg.c: Add dependence on params.h.
4270 (redundant_insn): Add parameterized throttle for search.
4271 (fill_simple_delay_slots): Add a comment explaining a variable.
4272 Move conditional out of loop, simplifying code.
4273 (fill_eager_delay_slots): Fix typographical error in comment.
4275 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4277 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4279 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4280 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4282 2001-02-21 Jason Merrill <jason@redhat.com>
4284 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4285 (struct tree_decl): Add uninlinable bitfield.
4286 * c-decl.c (duplicate_decls): Set it.
4287 * integrate.c (function_cannot_inline_p): Check it.
4289 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4290 DW_AT_MIPS_linkage_name to abstract methods.
4291 (dwarf2out_abstract_function): Emit class context before calling
4292 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4293 (gen_subprogram_die): Remove obsolete code.
4294 (gen_member_die): Don't include clones in the member list.
4295 (gen_decl_die): Emit abstract info for clone origin.
4296 * dwarfout.c (output_type): Don't include clones in the member list.
4297 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4298 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4299 DECL_ABSTRACT on a function that already has it set.
4301 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4302 (get_subprogram_die): Pass it in.
4304 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4306 * flow.c (mark_set_1): Make not_dead unsigned long. For
4307 non-pseudos, use it as a bitmask of the hard regs that
4310 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4312 * cppfiles.c: Update comments.
4313 (_cpp_read_file): Don't check for NULL filenames any more.
4314 * cppinit.c (cpp_start_read): Don't do canonicalization of
4315 in_fname and out_fname. Use the passed file name exclusively.
4316 (_cpp_handle_options): Don't treat "-" as a command line option,
4317 but as a normal filename.
4318 (_cpp_post_options): Canonicalize in_fname and out_fname.
4319 * cppmain.c (printer_init): Don't check out_fname for NULL.
4320 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4321 (init_c_lex): Update, and use "" to represent stdin to CPP.
4324 2001-02-20 Will Cohen <wcohen@redhat.com>
4326 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4327 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4328 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4331 2001-02-20 Stan Shebs <shebs@apple.com>
4333 * config/rs6000/rs6000.c (output_cbranch): Output branches
4334 on separate lines instead of using ';' to separate.
4336 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4338 * cppinit.c (set_lang): Move builtin handling to...
4339 (init_builtins): ...here.
4340 (_cpp_create_reader): Move call to set_lang.
4342 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4344 * stmt.c (expand_return): If an attempt is made to return the
4345 error_mar_node, treat the return like a return without a value.
4347 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4349 * sibcall.c (skip_copy_to_return_value): Call
4350 identify_call_return_value here, and return orig_insn if it
4351 returns zero. Hardret and softret arguments now unnecessary.
4352 (call_ends_block_p): Don't call identify_call_return_value here.
4354 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4356 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4357 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4359 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4361 * pa.c (move_operand): Accept code to load the address of a
4362 symbol out of the DLT as a valid move operand.
4363 (print_operand, case 'A'): New to handle generating a DLT
4364 reference for a LO_SUM expression.
4365 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4366 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4368 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4370 * README, cpp.texi, gcc.texi, version.c: Update version number to
4372 * cpp.1, gcov.1, gcc.1: Regenerate.
4374 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4376 * cppfiles.c (stack_include_file): Generate dependencies
4377 here, and manage include_count here too.
4378 (PRINT_THIS_DEP): Delete.
4379 (_cpp_execute_include): Do not generate dependencies here,
4380 apart from the case of a missing header. Do not manage
4382 (_cpp_read_file): Leave dependency generation to
4385 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4387 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4388 target_cpu_default. Remove dead assignment to
4391 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4393 * regclass.c (contains_reg_of_mode): Make global.
4394 (init_reg_sets): Remove contains_reg_of_mode; take into account
4395 CLASS_MAX_NREGS when looking for the proper mode.
4396 (dump_regclass): Dump only classes considered for the pseudo.
4397 (regclass): Use contains_reg_of_mode.
4399 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4401 * gcc.c (do_spec_1): 'n' for printing notices.
4402 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4404 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4406 * reg-stack.c (next_flags_user): Use current_block->end
4407 (swap_rtx_condition): Look for next user if flags don't die;
4408 give up on CALL_INSNs; use current_block->end.
4410 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4412 * sibcall.c (call_ends_block_p): New function.
4413 (optimize_sibling_and_tail_recursive_call): Use it.
4415 2001-02-18 Kazu Hirata <kazu@hxi.com>
4417 * config/h8300/h8300.md: Update copyright.
4418 (andsi3): Do not output an extra newline character.
4420 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4422 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4423 FNDECL may be unused.
4425 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4426 follow jumps after first run.
4427 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4428 it doesn't change any jumps.
4430 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4432 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4433 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4434 (mostlyclean): Corresponding changes.
4435 * rtlanal.c (hard-reg-set.h): Include.
4436 (rtx_unstable_p): Do not treat the argument pointer specially
4437 if it is not a fixed register.
4438 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4440 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4442 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4443 against last real insn in basic block.
4444 Rework to avoid gotos.
4446 * Makefile.in (gcse.o): Now includes ggc.h.
4447 * gcse.c: Include ggc.h.
4448 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4449 (try_replace_reg): Remove warning of uninitialize variable.
4450 (process_insert_insn): Call invalid_insn_p to validate insn.
4451 * recog.c (insn_invalid_p): Now global.
4452 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4453 * recog.h (insn_invalid_p): New declaration.
4455 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4457 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4458 assignments from FP constants since 'Y' output code can't handle it.
4459 (eligible_for_sibcall_delay): Likewise.
4461 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4462 Call fancy_abort directly, passing args.
4463 (print_rtl_and_abort): Now a macro, like fancy_abort.
4465 * final.c (output_operand_lossage): Use internal_error, not error.
4467 2001-02-18 Shane Nay <shane@agendacomputing.com>
4469 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4470 structure shift insns.
4472 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4474 * invoke.texi (-fsquangle): Remove documentation.
4475 (-fname-mangling-version): Likewise.
4477 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4479 * optabs.c (expand_abs): Remove reference to
4480 HAVE_contitional_arithmetic.
4481 * combine.c (simplify_set): Likewise.
4483 2001-02-18 Richard Henderson <rth@redhat.com>
4485 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4488 2001-02-18 Richard Henderson <rth@redhat.com>
4490 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4492 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4494 * reload1.c (reload_cse_simplify_set): Fix typo.
4496 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4498 * diagnostic.c (_fatal_insn): Decrement errorcount.
4500 * invoke.texi (-I): Add note avoiding use for system header files.
4502 * rtl.h (add_clobbers): Remove duplicate declaration.
4503 * recog.h (added_clobbers_hard_reg_p): New declaration.
4504 * genemit.c (struct clobber_pat): New field has_hard_reg.
4505 (gen_insn): Record if added clobbers clobber hard reg.
4506 (gen_split): Avoid unused warning if number of operands is 0.
4507 (output_added_clobbers_hard_reg_p): New function.
4510 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4512 * pa.c (hppa_expand_prologue): Simplify code storing return
4513 pointer. For large (>=8k) frames with a post_store, adjust stack
4514 pointer by 8k-64 first rather than by 64. When testing with
4515 VAL_14_BITS_P, always use the actual value rather than the value
4516 negated. Add blockage to prevent scheduling of spills before
4517 stack frame has been created.
4518 (hppa_expand_epilogue): Simplify code loading return pointer.
4519 Allow a slightly larger range for merge_sp_adjust_with_load case.
4520 When testing with VAL_14_BITS_P, always use the actual value.
4522 * pa.c (pa_adjust_insn_length): Check that block move
4523 pattern is a set before looking at operands.
4525 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4527 * fold-const.c (fold_binary_op_with_conditional_arg): New
4528 function, split out from ...
4530 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4531 conditional arms that throw exceptions.
4533 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4536 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4538 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4539 define HAVE_DECL_* to 1 to mask potential backup declarations.
4540 * configure: Regenerated.
4542 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4544 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4546 2001-02-17 Richard Henderson <rth@redhat.com>
4548 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4549 when replacing a memory load with a register.
4551 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4552 Jan Hubicka <jh@suse.cz>
4554 * recog.c (validate_replace_src_1): New.
4555 (validate_replace_src_data): Likewise.
4556 (validate_replace_src): Use note_uses.
4557 * rtl.h (note_uses): Declare.
4558 * rtlanal.c (note_uses): New.
4560 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4562 * reg-stack.c (stack_def): Make field reg unsigned.
4563 (remove_regno_note): Unsignetize parameter.
4565 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4567 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4568 shladd_operand() call.
4570 2001-02-16 Bruce Korb <bkorb@gnu.org>
4571 Rodney Brown <RodneyBrown@mynd.com>
4573 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4574 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4575 machine restrictions
4576 * fixinc/fixincl.x: regen
4578 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4580 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4582 (hash_scan_insn): Clean up calls to hash_scan_set.
4583 (compute_kill_rd): REGNO now unsigned.
4584 (try_replace_reg): Rework to use simplify_replace_rtx.
4585 (cprop_jump, cprop_cc0_jump): Likewise.
4586 (cprop_insn): Call find_reg_equal_equiv_note.
4587 Reflect changes to cprop_jump and cprop_cc0_jump.
4589 * recog.c (validate_replace_src): Replace in operands of
4590 ZERO_EXTRACT in SET_DEST.
4592 * cse.c (new_label_ref): New variable.
4593 (insert): Set it instead of recorded_label_ref.
4594 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4595 CODE_LABEL for this function, and not already in REG_LABEL note.
4597 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4599 * resource.c (mark_referenced_resources): Fix typo in introductory
4601 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4604 2001-02-16 Jason Merrill <jason@redhat.com>
4606 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4608 (gen_subprogram_die): Don't abort on seeing a second definition if
4609 the previous one was abstract. Don't replace an abstract instance
4610 in the lookup table.
4612 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4613 gen_abstract_function.
4614 * dwarf2out.h: Declare it.
4615 * toplev.c (note_outlining_of_inline_function): New fn.
4616 * toplev.h: Declare it.
4617 * integrate.c (output_inline_function): Call it.
4618 * c-decl.c (duplicate_decls): Call it when redefining an extern
4619 inline. Don't inline the new defn.
4621 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4623 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4625 * .gdbinit: Rename to gdbinit.in.
4626 * gdbinit.in: New file,
4627 * configure.in: Generate .gdbinit from gdbinit.in.
4628 * configure: Regenerated.
4629 * Makefile.in (distclean): Always remove .gdbinit.
4631 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4633 * objc/objc-act.c (start_class): Register implemented_classes with
4636 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4638 * cppfiles.c (_cpp_make_system_header): Generate a file
4641 2001-02-15 Jim Meyering <meyering@lucent.com>
4643 * Makefile.in (install-common): Don't depend on installdirs here.
4644 Instead, make each of the lang.install-common targets (e.g.,
4645 c++.install-common in cp/Make-lang.in) depend on it.
4646 (install-driver): Depend on installdirs.
4648 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4650 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4652 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4655 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4657 * invoke.texi (--param): Document.
4659 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4661 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4663 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4665 * i386.md (extendsfdf2_2): Fix constraints.
4667 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4669 * i386.md (fop_df_3 splitter): Fix operand number.
4671 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4673 * invoke.texi (-mreg-alloc): Nuke.
4674 * i386.c (ix86_reg_alloc_order, regs_allocated,
4675 order_regs_for_local_alloc): Nuke.
4676 (override_options): Kill reg_alloc code.
4677 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4678 (REG_ALLOC_ORDER): SSE goes before I387.
4679 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4680 (ix86_reg_alloc_order): Likewise.
4681 * i386-protos.h (ix86_reg_alloc_order): Kill.
4683 2001-02-14 Richard Henderson <rth@redhat.com>
4685 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4687 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4689 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4691 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4693 * i386-protos.h (ix86_memory_move_cost): Move offline.
4694 * i386.c (ix86_register_move_cost): Compute properly cost of
4695 SSE, MMX and i387 instructions.
4696 (*_cost): Add costs of SSE/MMX moves.
4697 (ix86_memory_move_cost): Move offline from ....; Likewise.
4698 * i386.h (MEMORY_MOVE_COST): .... here;
4699 (struct processor costs): Add new fields to represent costs
4702 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4704 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4705 move_cost together with Matt Kraai's fix.
4707 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4709 * Makefile.in (OBJS): Add params.o.
4711 2001-02-14 Richard Henderson <rth@redhat.com>
4712 DJ Delorie <dj@redhat.com>
4714 * jump.c (jump_optimize_1): When we delete a conditional jump
4715 preceeding a non-conditional jump to effectively the same place,
4716 make sure that the combined jump skips any clobber insns between
4719 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4721 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4723 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4725 * Makefile.in (toplev.o): Depend on params.h.
4726 (intergate.o): Likewise.
4727 (params.o): New target.
4728 * flags.h (inline_max_insns): Remove.
4729 * integrate.c: Include params.h.
4730 Use MAX_INLINE_INSNS instead of inline_max_insns.
4731 * params.c: New file.
4732 * params.h: Likewise.
4733 * params.def: Likewise.
4734 * toplev.c: Include params.h.
4735 (lang_independent_params): New variable.
4736 (decode_f_option): Use the param machinery instead of setting
4738 (independent_decode_option): Handle "--param name=value".
4739 (main): Register language-independent parameters.
4741 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4743 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4745 2001-02-14 Richard Henderson <rth@redhat.com>
4747 * regclass.c (init_reg_sets_1): Revert last two changes.
4749 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4751 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4752 (variable_size): Call put_pending_size.
4753 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4754 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4755 sizes list, put newly created SAVE_EXPR there as well.
4757 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4759 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4760 (errata_find_address_regs): load_group has only 2 entries.
4761 (errata_emit_nops): Likewise. shladd is not problematic.
4762 Clear last_group if nop was emitted.
4763 (fixup_errata): load_group has only 2 entries.
4766 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4768 * c-lex.c (lex_number): Only warn traditionally for U suffix
4769 outside system macros.
4770 * cppexp.c (parse_number): Similarly.
4771 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4772 * cppmacro.c (struct cpp_macro): New member node.
4773 (parse_args): Only warn about missing rest args if not
4775 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4776 (cpp_sys_objmacro_p): New.
4777 (_cpp_create_definition): Store the node with the macro defn.
4778 Remember if the macro is defined in a system header.
4780 2001-02-13 DJ Delorie <dj@redhat.com>
4782 * configure.in (check_languages): determine languages to check
4783 * Makefile.in (check-c++): alias for check-g++
4784 (check-f77): alias for check-g77
4785 (CHECK_TARGETS): depend on configured languages
4787 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4789 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4790 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4791 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4792 (sqrtextendsfdf2): Disable for SSE2.
4794 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4796 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4797 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4798 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4799 (sqrtextendsfdf2): Disable for SSE2.
4801 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4803 * i386.md (movsfcc_1): Support integer cmove instruction.
4804 (movdfcc_1): Likewise; new splitter.
4806 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4808 * i386.c (output_fp_compare): Support SSE.
4809 (prepare_fp_compare_args): SSE comparisons always support memory.
4810 * i386.h (TARGET_CMOVE): SSE imply cmove.
4811 * i386.md (cmp?f2): Enable for SSE too.
4812 (cmpfp_i*): Support SSE.
4814 (cmpfp_i_sse_only): New.
4815 (s*, b* fp expanters): Enable for SSE too.
4816 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4819 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4821 * regclass.c (init_reg_sets_1): Silence warning.
4823 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4825 * i386.md (sqrt?f2): Change to expander.
4826 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4828 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4830 * rtlanal.c (find_reg_equal_equiv_note): New function.
4831 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4832 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4833 * rtl.h: Add declarations for above functions.
4835 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4837 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4839 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4840 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4841 * flow.c (mark_regs_live_at_end): Likewise.
4842 (calculate_global_regs_live): Likewise.
4843 * gcse.c (compute_hash_table): Likewise.
4844 (compute_kill_rd): Likewise.
4845 * resource.c (mark_target_live_regs): Likewise.
4846 * rtl.h (INVALID_REGNUM): New macro.
4848 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4850 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4852 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4854 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4857 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4859 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4861 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4862 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4863 (fop_sf_1_sse, fop_df_1_sse): New patterns
4864 (fop_*): Disable float_extend and float patterns for SSE compilation.
4865 * i386.c (output_387_binary_op): Support SSE.
4867 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4869 * i386.md (dummy_extendsfdf2): Support SSE2
4870 (extendsfdf2): Enable if 80387 or SSE2.
4871 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4872 and no MIX_I387_SSE2
4873 (extendsfdf2_1_sse_only): New pattern.
4874 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4876 (truncdfsf2_1): Support SSE.
4877 (truncdfsf2_2): Support SSE.
4878 (truncdfsf2_2_1_sse): New pattern.
4879 (fixtruncsfsi2): Always use SSE if available.
4880 (fix_truncsfsi_sse): New pattern.
4881 (fix_truncdfsi_sse): New pattern.
4882 (floatsis?f2): Support SSE.
4883 (floatsidf2_i387): New pattern.
4884 (floatsidf2_sse): Likewise.
4886 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4888 * configure.in: Use "have_gnat" variable, not "gnat".
4889 * configure: Regenerated.
4891 * config/sparc/sparc.c (function_value): Treat all non-record
4892 aggregate types like used to treat UNION_TYPE.
4894 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4896 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4897 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4899 (MASK_MIX_SSE_I387): New.
4900 (TARGET_SSE): SSE2 imply SSE.
4901 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4902 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4903 (enum reg_class): Add new classes.
4904 (REG_CLASS_NAMES): Likewise.
4905 (REG_CLASS_CONTENTS): Likewise.
4906 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4907 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4908 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4909 (CLASS_MAX_NREGS): Use new macros.
4910 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4911 * i386.md (pushsf, movsf): Support SSE.
4912 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4913 splitters to use ANY_FP_REGNO_P.
4914 (movdf_nointeger, movdf_integer): Likewise.
4916 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4918 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4919 (try_combine): Use it.
4921 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4923 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4924 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4925 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4926 (REGISTER_MOVE_COST): Likewise.
4927 * i386-protos.h (ix86_secondary_memory_needed,
4928 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4929 * i386.c (ix86_secondary_memory_needed,
4930 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4932 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4934 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4935 (HARD_REGNO_MODE_OK): Move offline to ....
4936 * i386.c (ix86_hard_regno_mode_ok) ... here;
4937 refuse all incorrect modes.
4938 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4940 2001-02-13 Richard Henderson <rth@redhat.com>
4942 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4943 entire operator; replicate that and match_dup the operands.
4944 (cmp_ccx_arith_op_set): Likewise.
4945 (cmp_cc_arith_op_not_set): Likewise.
4946 (cmp_ccx_arith_op_not_set): Likewise.
4948 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4950 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4952 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4954 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4955 (TARGET_NO_BITFIELD_WORD): New macro.
4956 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4957 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4959 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4961 * cselib.c: New file, from simplify-rtx.c.
4962 * simplify-rtx.c: Remove cselib parts.
4963 * Makefile.in: Add cselib.o.
4965 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4967 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4968 (setup_incoming_varargs): Remove warning.
4970 * config/rs6000/rs6000.c (validate_condition_mode): When
4971 flag_fast_math, allow floating-point conditionals to be reversed.
4972 (rs6000_generate_compare): When flag_fast_math, don't generate
4973 cror operations for FP conditionals.
4975 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4977 (ASM_SPEC): Likewise.
4978 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4979 (CC1_SPEC): Likewise.
4980 (LINK_TARGET_SPEC): Likewise.
4981 (CPP_ENDIAN_SPEC): Likewise.
4982 * Makefile.in (check-consistency): New target.
4984 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4986 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4987 "return type defaults" warning for functions with return type
4989 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4990 function declarations by default rather than only when pedantic.
4992 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4994 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4997 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4999 * extend.texi (Deprecated): Deprecate new initializer lists.
5001 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5003 * mkdeps.c (deps_add_default_target): Robustify. Add
5004 basename component only.
5005 * cpp.texi (-M): Describe how default target is generated.
5006 * invoke.texi (-M): Likewise.
5008 2001-02-12 Kazu Hirata <kazu@hxi.com>
5010 * toplev.c (push_float_handler): Remove.
5011 (pop_float_handler): Remove.
5012 * toplev.h: Remove prototypes for the above functions.
5014 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5016 * c-common.c (constant_fits_type_p): New function.
5017 (convert_and_check): Use it.
5019 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5021 * Makefile.in (GXX_ABI_FLAG): Don't define.
5022 * configure.in (--enable-new-gxx-abi): Remove option.
5023 * config.in: Regenerated.
5024 * configure: Likewise.
5026 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5028 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5030 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5031 regular basic block, and arrange for all edges into it to switch
5034 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5036 * Makefile.in (distclean): Do not remove .gdbinit.
5038 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5040 * Makefile.in (gcc.o): Fix typos.
5041 (protize.o): Likewise.
5042 (unprotoize.o): Likewise.
5044 2001-02-11 Richard Henderson <rth@redhat.com>
5046 * tree.c (build1): Check for null operand in last change.
5048 2001-02-11 Richard Henderson <rth@redhat.com>
5050 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5051 (fold): Don't assume a constant isn't foldable.
5052 * tree.c (build): Set TREE_CONSTANT for an expression with no
5053 side-effects and constant operands.
5056 2001-02-10 Richard Henderson <rth@redhat.com>
5058 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5060 2001-02-10 Anthony Green <green@redhat.com>
5062 * cpp.texi (Standard Predefined): Add documentation for
5065 * c-common.c (combine_strings): Improve warning message.
5067 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5069 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5071 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5073 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5075 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5078 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5080 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5083 2001-02-09 Nick Clifton <nickc@redhat.com>
5085 * config/arm/arm.md: Change output contraint on post inc
5086 load/store multiple patterns to be a read/write contraint.
5088 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5090 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5091 .o files when using the -M options.
5093 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5094 David Edelsohn <edelsohn@gnu.org>
5096 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5097 handle DImode constants. Use one TOC entry for SImode and smaller
5098 constants, aligned properly.
5100 2001-02-08 Jason Merrill <jason@redhat.com>
5102 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5103 about the SP adjustment for saving the static chain pointer.
5104 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5105 offset when setting a temporary CFA register.
5107 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5109 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5110 powerpc-*-chorusos* .
5111 * config/rs6000/chorus.h : New file.
5112 * config/i386/chorus.h : New file.
5113 * config/sparc/chorus.h : New file.
5114 * config/sparc/t-chorus-elf : New file.
5116 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5118 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5119 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5120 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5121 (__WCHAR_TYPE__): Correct macro name.
5123 2001-02-08 Richard Henderson <rth@redhat.com>
5125 * config/i386/i386.c (ix86_frame_pointer_required): New.
5126 (ix86_setup_frame_addresses): New.
5127 (struct machine_funciton): Add accesses_prev_frame.
5128 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5129 ix86_frame_pointer_required.
5130 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5131 (SETUP_FRAME_ADDRESSES): New.
5132 * config/i386/i386-protos.h: Update.
5133 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5134 from FRAME_POINTER_REQUIRED.
5135 * config/i386/svr3gas.h: Likewise.
5136 * config/i386/sysv3.h: Likewise.
5137 * config/i386/v3gas.h: Likewise.
5139 2001-02-08 Richard Henderson <rth@redhat.com>
5141 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5142 calculation of the number of integer registers required.
5143 (function_arg_record_value): Likewise.
5145 2001-02-08 Jason Merrill <jason@redhat.com>
5147 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5148 two. Print file and line with "confused" message.
5150 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5152 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5154 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5156 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5158 * final.c (cleanup_subreg_operands): The address of a MEM can
5161 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5164 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5166 * gcc.texi (Incompatibilities): Update documentation of
5167 preprocessing numbers.
5169 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5171 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5173 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5175 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5177 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5178 * gcc.c (struct compiler): Add cpp_spec field.
5179 (input_file_compiler): New variable.
5180 (do_spec_1): Allow a particular compiler to handle `%C'
5182 (main): Store the current compiler in input_file_compiler.
5183 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5185 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5187 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5188 * cppinit.c (cpp_create_reader): Initialize them.
5189 (append_include_chain): cxx_aware arg might be unused.
5190 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5191 keywords and give them their phase 7 meaning. Pedwarn about
5192 this unless '__bool_true_false_are_defined' is defined.
5194 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5196 * lcm.c (optimize_mode_switching): Emit mode_set before the
5197 JUMP_INSN of an abnormal edge.
5199 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5201 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5202 a scheduling barrier at the end.
5204 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5206 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5208 * config/sh/sh.md (reload_outsf): Removed.
5209 (movsf_ie): Introduce constraints for FPUL loads and stores.
5210 (reload_insf): Broaden the output constraint.
5212 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5214 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5215 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5217 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5219 * final.c: Revert my previous changes.
5220 * output.h: Make profile_label_no extern.
5221 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5222 for generating label.
5224 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5226 * config/i386/djgpp.h: Add comments about standard paths.
5227 (MD_EXEC_PREFIX): Undefine before defining.
5228 (MD_STARTFILE_PREFIX): New.
5230 2001-01-30 Bruce Korb <bkorb@gnu.org>
5232 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5233 (load_file): do not rely on load_file_data() to close file pointer
5234 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5235 fixinc/inclhack.def(irix_limits_const): add test_text
5237 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5239 * cppexp.c (parse_defined): Improve diagnostics for invalid
5242 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5244 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5246 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5248 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5249 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5250 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5251 (rs6000_output_symbol_ref): New function.
5252 (output_toc): Use VTABLE_NAME_P.
5254 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5256 * print-tree.c (print_node, case PARM_DECL):
5257 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5259 * stor-layout.c (reference_types_internal): New variable.
5260 (internal_reference_types): New function.
5261 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5262 * tree.h (internal_reference_types): New declaration.
5264 * cse.c (find_best_addr): Fix typo in computing cost.
5266 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5268 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5269 and this is the sum of a pointer and a constant, we know the result
5271 (num_sign_bit_copies, case PLUS): Likewise.
5272 * explow.c (convert_memory_address): Remove opposite SUBREG.
5273 * function.c (instantiate_new_reg): New function (from common code).
5274 (instantiate_virtual_regs_1): Call it.
5275 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5276 if pointers sign- or zero-extend.
5277 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5278 If pointers extend unsigned, use inside of SUBREG.
5279 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5281 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5283 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5284 subdir of gcc_gxx_include_dir.
5285 (gcc_gxx_target_include_dir): Remove.
5287 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5289 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5290 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5291 a high-level description.
5293 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5295 * final.c: Move the declaration of profile_label_no to ...
5296 * output.h: ... here.
5297 * function.c (expand_function_start): Call PROFILE_HOOK.
5298 * config/rs6000/aix.h: Define PROFILE_HOOK.
5299 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5300 * config/rs6000/rs6000.c (output_profile_hook): Define.
5301 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5302 output_profile_hook.
5303 tm.texi : Explain new macro PROFILE_HOOK.
5305 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5307 * extend.texi (Extended Asm): Do not say that semicolon is always
5308 a valid line-breaking character for GNU assemblers. Use
5309 newline-tab as the most commonly supported syntax. Use
5310 newline-tab rather than semicolon in multi-insn examples.
5312 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5314 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5316 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5317 David Edelsohn <edelsohn@gnu.org>
5319 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5320 code for AIX, even without flag_pic.
5322 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5324 * c-typeck.c (common_type): push and pop binding level around
5325 calling common_type on function parameters.
5327 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5329 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5331 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5333 * config/mips/mips.c (override_options): Fix typo in last change.
5334 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5335 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5337 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5339 * invoke.texi (-fdump-class-layout): Document.
5340 (-fdump-translation-unit): Use `=' as filename separator.
5342 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5344 * Makefile.in (s-mlib): Don't build multilibs if
5346 (DRIVER_DEFINES): Adjust accordingly.
5348 (protoize.o): Likewise.
5349 (unprotoize.o): Likewise.
5350 * configure.in: Recognize --enable-multilib.
5352 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5354 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5356 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5357 * configure.in: Remove --enable-libstdcxx_v3 support.
5358 * configure: Regenerated.
5360 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5362 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5363 Call abort instead of fatal.
5364 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5365 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5366 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5367 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5368 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5369 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5371 * diagnostic.h (set_internal_error_function): Renamed.
5372 * toplev.h (internal_error): Renamed from fatal.
5373 (pfatal_with_name): Deleted.
5374 (fatal_io_error): Now has printf-style arguments.
5375 * diagnostic.c (pfatal_with_name): Deleted.
5376 (fatal_io_error): Rework to have args in printf-style.
5377 (set_internal_error_function): Renamed from set_fatal_function.
5378 (internal_error): Renamed from fatal.
5379 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5380 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5381 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5382 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5383 * flow.c (verify_flow_info): Likewise.
5384 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5385 * config/mips/mips.c (save_restore_insns): Likewise.
5387 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5388 * flow.c (verify_flow_info): Likewise.
5389 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5390 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5391 (avr_normalize_condition): Likewise.
5392 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5393 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5394 (limit_reload_class, double_reg_to_memory): Likewise.
5395 (print_operand_address, emit_1600_code_shift): Likewise.
5396 (gen_tst_reg, gen_compare_reg): Likewise.
5397 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5398 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5400 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5402 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5403 * objc/objc-act.c (build_ivar_chain): Likewise.
5404 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5406 * graph.c (clean_graph_dump_file): Likewise.
5407 * profile.c (init_branch_prob): Likewise.
5408 * objc/objc-act.c (objc_init): Likewise.
5410 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5411 * config/avr/avr.c (avr_override_options): Likewise.
5412 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5413 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5414 * config/h8300/h8300.c (h8300_init_once): Likewise.
5415 * config/mips/mips.c (override_options): Likewise.
5416 * config/i386/i386.c (override_options): Likewise, rework.
5417 * config/m68k/m68k.c (override_options): Likewise.
5419 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5421 * config/mips/mips.c (print_operand): Likewise.
5422 * hash.c (hash_allocate): Don't check for failure returns from
5423 obstack functions that can't fail.
5424 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5425 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5426 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5427 (get_object_reference): Likewise.
5429 2001-02-04 Nick Clifton <nickc@redhat.com>
5431 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5432 StrongARM1110, 10TDMI, and 1020T.
5434 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5436 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5438 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5440 * config/sh/sh.md (movdf load split): Pass register number to
5441 FP_OR_XD_REGISTER_P.
5443 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5445 * cppinit.c (BC): New macro.
5446 (builtin_array): Add __GXX_WEAK__.
5447 * cpplib.h (builtin_type): Add BT_WEAK.
5448 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5449 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5450 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5452 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5454 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5456 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5458 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5459 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5461 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5463 * cpphash.h: Rename ALIGN _ALIGN.
5464 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5466 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5468 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5469 compilation environment.
5470 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5471 control over location of cygwin includes and libs.
5473 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5475 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5477 2001-02-02 lars brinkhoff <lars@nocrew.org>
5479 * md.texi (Standard Names): remove reference to spur.md.
5481 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5483 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5484 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5485 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5486 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5487 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5489 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5491 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5492 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5493 number before reload.
5494 (c4x_adjust_cost): Return zero before reload.
5495 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5496 split before reload.
5498 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5500 * c4x.c (c4x_hard_regno_rename_ok): New.
5501 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5502 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5504 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5506 * diagnostic.h: Add missing "extern" in all declarations.
5508 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5510 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5511 as for gcc_gxx_include_dir.
5513 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5515 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5517 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5519 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5520 label before alignment to be used as the braf base address.
5521 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5523 (casesi_jump_2): Require at least TARGET_SH2.
5525 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5526 truncation to 32-bit doubles on -m3e and -m4-single-only.
5528 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5530 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5531 the default when building a shared object.
5532 (init_spec): Use it.
5533 * testsuite/lib/g++.exp: Include the directory where libgcc
5534 is located to the LD_LIBRARY_PATH list.
5535 * invoke.texi (-shared-libgcc): Document the cases in which
5536 GCC defaults to using the shared libgcc.
5538 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5540 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5541 unsigned is wide enough.
5543 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5544 (si_to_float): Likewise.
5545 (float_to_si, float_to_usi): Use BITS_PER_SI.
5547 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5549 * dwarf2out.c: Added explanation of abbreviations.
5550 (def_cfa_1): Added comments listing DWARF2 instructions.
5551 (cfa_temp_reg): Removed in favor of cfa_temp.
5552 (cfa_temp_value): Removed in favor of cfa_temp.
5553 (cfa_temp): New global variable.
5554 (dwarf2out_frame_debug_expr): Added extensive introductory
5555 comments explaining the function's transformations. Revised to
5556 use cfa_temp. Added some rtx checking. Generalize IOR case.
5557 (dwarf2out_frame_debug): Revised to use cfa_temp.
5558 (output_aranges): Cast as "unsigned" to avoid warning.
5559 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5560 explain which instructions must be marked.
5562 2001-02-01 Richard Henderson <rth@redhat.com>
5564 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5567 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5569 * config/sh/crt1.asm (main_k): Modified so that start calls
5570 ___setup_argv_and_call_main.
5572 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5574 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5575 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5576 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5577 * cppmacro.c (builtin_macro): Set builtin flags here.
5578 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5579 (replace_args): Clarify intent.
5580 (cpp_get_token): Macro expansion tokens get the saved flags.
5582 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5585 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5587 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5590 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5592 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5593 returns Pmode pseudo, but we need ptr_mode.
5594 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5595 Remove bogus conversions; use HOST_WIDE_INT for size.
5596 Don't use TARGET if wrong mode.
5598 * config/i386/i386.c (ix86_compute_frame_size): Allow
5599 stack_alignment_needed to be non-default even if size is zero.
5601 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5603 * pa.c (hppa_init_pic_save): New function.
5604 * pa.h (hppa_init_pic_save): Declare.
5605 * pa.md (call, call_value, sibcall, sibcall_value): Use
5606 the above instead of duplicated code.
5608 * pa.c (hppa_encode_label): Correct size of alloca buffer
5609 so we don't overrun it. Correct leading `*' case.
5610 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5611 need to handle `*@'.
5612 (FUNCTION_NAME_P): Likewise.
5614 2001-01-31 Richard Henderson <rth@redhat.com>
5616 * config.gcc (alpha-osf5): Use float-i128.h.
5618 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5619 * config/float-i32.h: Likewise.
5620 * config/float-i64.h: Likewise.
5621 * config/float-sh.h: Likewise.
5622 * config/float-sparc.h: Likewise.
5624 2001-01-31 DJ Delorie <dj@redhat.com>
5626 * expmed.c (extract_bit_field): allow non-integral modes if we
5627 want to extract a whole register from itself.
5629 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5631 * c-typeck.c (set_init_index): If first is equal to last, assume as
5632 if it was not a range at all.
5634 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5636 * config/fp-bit.c: Include tm.h.
5637 (float_to_si): Don't assume SImode is 32-bits wide.
5638 (float_to_usi): Likewise.
5640 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5642 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5644 (typename): Call pending_xref_error after parsing typed_typespecs.
5645 * c-decl.c (lookup_tag): Give error immediately rather than
5646 leaving it pending if the tag of the wrong type is in the same
5648 (xref_tag): Don't pedwarn for forward declarations of enum types
5650 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5653 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5655 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5657 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5659 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5660 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5662 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5664 * cpphash.h (struct cpp_reader): New saved_flags.
5665 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5666 to avoid a paste after a pasted token.
5668 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5670 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5671 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5672 Wtype_MIN instead of LONG_MIN.
5674 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5676 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5678 * fixinc/fixincl.x: Regenerated.
5679 * fixinc/inclhack.def (irix_limits_const): New definition to
5680 convert "const" to "__const" in limits.h.
5682 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5684 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5686 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5688 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5689 when register dies in the insn.
5691 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5693 * diagnostic.c (fatal): Fix word wrap.
5695 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5697 * combine.c (try_combine): Fix SUBREG setting for
5698 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5700 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5702 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5705 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5707 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5709 * toplev.c (decode_W_option): Update warn_larger_than
5710 unconditionally for each processed switch.
5712 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5714 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5716 (hppa_expand_prologue): Delete code to save pic offset table register
5717 in the function prologue.
5718 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5719 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5720 table register at the beginning of the function after the prologue.
5722 2001-01-29 lars brinkhoff <lars@nocrew.org>
5724 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5726 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5727 Jeff Law <law@redhat.com>
5729 * pa.md (return): Revise comment for trivial return.
5730 (return_internal): Non-trivial return pattern for non-PIC code.
5731 (return_internal_pic): Non-trivial return pattern for PIC code.
5732 It uses the PIC register to ensure it is restored after
5734 (epilogue): Generate appropriate return for PIC and non-PIC code.
5736 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5738 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5740 2001-01-29 DJ Delorie <dj@redhat.com>
5742 * combine.c (if_then_else_cond): Pass the correct mode to
5743 operand_subword() for constants.
5745 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5747 * config/i386/cygwin.h: Add w32api to include search. Search different
5748 directories in a cross-build environment.
5750 2001-11-29 Tim Josling <tej@melbpc.org.au>
5752 * tree.h (TYPE_STUB_DECL): Add documentation.
5754 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5756 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5757 (sdbout_field_types): Likwise. Fix use of host_integerp.
5759 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5761 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5764 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5766 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5767 to use flag_gnu_linker.
5769 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5771 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5772 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5774 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5776 * tree.c, tree.h (build_parse_node): Remove; was identical to
5778 * c-lang.c (start_cdtor), objc/objc-act.c
5779 (build_module_descriptor): Use build_nt instead of
5782 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5784 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5785 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5786 not have any upper bits set.
5788 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5790 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5792 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5794 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5796 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5798 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5799 (integer_minus_one_node): Define.
5801 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5803 * Makefile.in (bootstrap2-lean): Fix typo.
5805 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5807 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5808 : Don't set fe_value.
5809 * cpplib.h (AVOID_LPASTE): New flag.
5810 (struct cpp_hashnode): Remove fe_value.
5811 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5812 * cppmacro.c (builtin_macro): Don't set flags here.
5813 (replace_args): Set AVOID_LPASTE flag on first token of an
5814 argument, and the token following it.
5815 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5816 macro expansion, and on the token following it. Do it for
5818 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5820 2001-01-27 Richard Henderson <rth@redhat.com>
5822 * config/alpha/t-ieee: Remove multilibbing.
5823 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5825 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5827 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5829 * Makefile.in: Remove all dependencies on defaults.h.
5830 * builtins.c: Don't include defaults.h.
5831 * c-common.c: Likewise.
5832 * c-decl.c: Likewise.
5833 * c-pragma.c: Likewise.
5834 * c-typeck.c: Likewise.
5835 * combine.c: Likewise.
5837 * frame-ia64.c: Likewise.
5838 * cppexp.c: Likewise.
5839 * crtstuff.c: Likewise.
5840 * dbxout.c: Likewise.
5841 * dwarf2out.c: Likewise.
5842 * dwarfout.c: Likewise.
5843 * emit-rtl.c: Likewise.
5844 * except.c: Likewise.
5846 * final.c: Likewise.
5847 * frame-dwarf2.c: Likewise.
5848 * libgcc2.c: Likewise.
5849 * optabs.c: Likewise.
5850 * profile.c: Likewise.
5851 * sdbout.c: Likewise.
5852 * toplev.c: Likewise.
5853 * tradcif.y: Likewise.
5855 * varasm.c: Likewise.
5857 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5859 * builtins.c (expand_builtin_fputs): Use size_one_node when
5860 transforming into fwrite.
5862 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5864 * extend.texi (Attribute Syntax): New section.
5866 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5868 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5869 they didn't need fixing.
5871 2001-01-27 Janis Johnson <janis@us.ibm.com>
5873 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5875 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5876 to remove macro definitions that are duplicated from elfos.h.
5878 2001-01-27 Richard Henderson <rth@redhat.com>
5880 * config/i386/sco5gas.h: Move ...
5881 * config/usegas.h: ... here.
5882 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5884 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5886 * c-typeck.c (struct constructor_stack): Add range_stack member.
5887 (really_start_incremental_init): Clear it.
5888 (push_init_level): Save constructor_range_stack and clear it if
5889 pushing explicit braces.
5890 (pop_init_level): abort if constructor_range_stack is non-zero at
5891 explicit closing brace. Restore saved constructor_range_stack if
5894 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5896 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5897 into register was forced into memory.
5899 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5901 * Makefile.in: Remove uses of + before $(MAKE).
5903 2001-01-26 Richard Henderson <rth@redhat.com>
5905 * stmt.c (cost_table): Remove.
5906 (COST_TABLE, cost_table_initialized): New.
5907 (estimate_case_costs): Use the later instead of the former.
5908 (balance_case_nodes): Likewise.
5910 2001-01-26 Richard Henderson <rth@redhat.com>
5912 * alias.c (objects_must_conflict_p): Read-only slots may not
5913 conflict despite having the same type.
5915 2001-01-27 Michael Hayes <mhayes@redhat.com>
5917 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5919 (check_ext_dependant_givs): Initialise u_start_val and
5921 (load_mems): Make last_max_reg unsigned.
5922 (try_swap_copy_prop): Use INSN_P and initialise set.
5924 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5926 * README.AVR : Removed.
5928 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5930 * pa-64.h (text_section): Remove declaration.
5932 * pa.md (return_internal): Remove mode on PIC register use.
5934 2001-01-25 lars brinkhoff <lars@nocrew.org>
5936 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5937 ASM_CLOSE_PAREN): fix typos.
5939 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5941 * acconfig.h: Define `const' to the empty string if neither
5942 __STDC__ nor __cplusplus is defined.
5943 * config.in: Regenerated.
5945 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5947 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5948 * collect2.c (main): Delete importf. Add ".obj" file extension.
5949 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5950 (aix_std_libs): Add additional AIX libraries to skip.
5951 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5952 * config/rs6000/aix51.h: New file.
5954 2001-01-25 Michael Hayes <mhayes@redhat.com>
5956 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5957 (loop_insn_emit_before): No longer static.
5958 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5959 (loop_givs_rescan, load_mems): Likewise.
5960 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5961 (maybe_eliminate_biv_1):
5962 (move_movables): Replace emit_call_insn_before with
5963 loop_call_insn_hoist.
5964 * loop.h (loop_insn_emit_before): Add.
5965 * unroll.c (copy_loop_body): Replace emit_insn_before with
5966 loop_insn_emit_before.
5968 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5970 * diagnostic.c (fatal): Request preprocessed source.
5972 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5974 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5975 olddecl has argument types and newdecl has none, use the argument
5978 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5980 * dwarf2out.c (prefix_of): New function. Determine longest common
5981 prefix of the two arguments. The units are whole path components.
5982 (output_file_names): When adding a new directory find the one entry
5983 with the longest common prefix already in the list. Artificially
5984 generate entry if there is none for this prefix.
5985 Fix test to check whether the zeroth directory entry is used.
5987 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5989 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5990 Changed all callers. Take it into account when deciding if a
5991 previously loaded value matches.
5993 2001-01-24 Richard Henderson <rth@redhat.com>
5995 * reload.c (find_reloads_subreg_address): Fail the substitution
5996 if the resulting address is insufficiently aligned.
5998 2001-01-24 DJ Delorie <dj@redhat.com>
6000 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6001 check the original operand's mode also.
6002 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6004 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6006 * c-parse.in (cast_expr): Move compound literals from here ...
6007 (primary): ... to here. Use standard terminology "compound
6008 literal" instead of "constructor expression".
6010 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6012 * gcc.1, cpp.1: Regenerate.
6014 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6016 * calls.c (emit_library_call_value_1): Memory slot for
6017 pass-by-reference argument should have the mode of the argument,
6018 not of the pointer to it.
6020 2001-01-24 Tom Tromey <tromey@redhat.com>
6022 * gcc.texi (G++ and GCC): Mention gcj manual.
6023 (Standards): Link to section of manual mentioning gcj/Java
6026 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6028 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6029 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6030 * tradcpp.c (main): Add -imacros or -include'd dependencies
6032 * cpp.texi (-M, -MM): Document -M -include behaviour.
6034 2001-01-24 Roger Collins <roger@ProProject.com>
6036 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6038 2001-01-24 Will Cohen <wcohen@redhat.com>
6040 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6041 whether registers are 32 bits or 64 bits in size.
6043 2001-01-24 Ben Elliston <bje@redhat.com>
6045 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6047 2001-01-24 Richard Henderson <rth@redhat.com>
6049 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6050 (builtin_longjmp): Use it instead of emit_indirect_jump.
6052 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6054 * bb-reorder.c (make_reorder_chain_1): Handle case where
6055 jump edge goes to the same block as the fallthru edge.
6057 2001-01-23 Jim Wilson <wilson@redhat.com>
6059 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6060 * frame.h (__ia64_personality_v1): Add prototype.
6061 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6062 prototype form. Add void * cast to first argument to personality
6064 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6065 (asctoe113): Likewise.
6066 * config/ia64/frame-ia64.c: Include eh-common.h.
6067 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6069 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6071 (itanium_split_issue): Add prototype.
6072 (gen_nop_type): Ifdef out.
6073 (find_best_packet): Initialize best_packet.
6074 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6076 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6077 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6078 (flushrs): Add explicit stop bit at end.
6079 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6082 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6084 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6086 * libgcc2.c (__terminate_func): Make variable static.
6087 (__terminate_set_func): New function to set __terminate_func.
6088 * libgcc2.h (__terminate_func_ptr): New typedef.
6089 (__terminate_set_func): New function.
6091 2001-01-23 Richard Henderson <rth@redhat.com>
6093 * flow.c (init_propagate_block_info): Don't consider unchanging
6094 memories for dead frame store elimination.
6096 2001-01-23 Richard Henderson <rth@redhat.com>
6098 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6099 * defaults.h: ... here.
6101 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6103 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6105 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6107 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6109 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6111 * rs6000.h (rs6000_return_addr): Move prototype from here...
6112 * rs6000-protos.h (rs6000_return_addr): ...to here.
6113 (rs6000_init_expanders): Delete prototype.
6115 2001-01-23 Nick Clifton <nickc@redhat.com>
6117 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6118 (Spec Files): Document %B and %j and %. and %v3 and %M and
6119 %{S*&T} spec switches.
6121 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6123 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6125 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6126 Neil Booth <neil@daikokuya.demon.co.uk>
6128 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6129 Have -Werror make pedantic warnings errors, like the
6132 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6134 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6136 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6138 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6139 * integrate.c (expand_inline_function): Initialize them.
6140 (subst_constants): If changing COMPARE so that both its arguments
6141 will be VOIDmode and the comparison mode will be lost, note
6142 compare_mode. Use the recorded compare_mode to optimize
6145 2001-01-23 Jason Merrill <jason@redhat.com>
6147 * dwarf2out.c (new_die): Use xcalloc.
6148 (output_die): Abort rather than emit a local reference to offset 0.
6150 2001-01-17 Andrew Haley <aph@redhat.com>
6152 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6153 of a saved register; return NULL instead.
6154 (copy_reg): Take a pointer to a source register rather than a
6156 (next_stack_level): Remember the address in the stack frame of all
6158 Use the saved register pointer array as the source of the CFA.
6159 (throw_helper): Rewrite. Unwind once rather than twice and keep
6160 track of saved registers as we go.
6162 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6164 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6165 * c4x.c (c4x_legitimize_reload_address): Remove.
6166 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6167 reload address for ldp(k) insn.
6169 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6171 * pa.md (return_internal): Add a USE of the PIC register to ensure
6172 it is restored after each call.
6173 (return expander): Corresponding changes.
6175 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6177 * rs6000.h (INIT_EXPANDERS): Delete.
6178 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6179 * rs6000.c (rs6000_override_options): Call *_machine_status from
6181 (rs6000_init_expanders): ...instead of here. Delete.
6182 (rs6000_mark_machine_status): New function.
6183 (rs6000_init_machine_status): Use xcalloc.
6184 (rs6000_return_addr): Generate RTX for the return address.
6185 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6186 (rs6000_stack_info): Use it.
6188 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6190 * gthr-win32.h: Include errno.h to get a declaration for
6191 EINVAL and _mingw.h if the target is mingw32.
6193 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6195 * cpp.texi: Correct typos.
6197 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6199 * explow.c (probe_stack_range): Ensure value passed to
6200 stack_check_libfunc is ptr_mode, not Pmode.
6202 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6204 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6205 case, don't use operand_subword to calculate a SUBREG that is
6208 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6210 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6212 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6213 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6214 valid. If not replace it by equivalent insns.
6216 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6218 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6219 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6220 (c4x_U_constraint, symbolic_address_operand): Likewise.
6221 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6223 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6224 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6225 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6226 anulling slot because of silicon bug.
6227 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6229 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6231 * cppexp.c (parse_charconst): Change `mask' type to agree
6234 2001-01-21 Richard Henderson <rth@redhat.com>
6236 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6237 pic_label_name in a linkonce section.
6239 2001-01-17 Philipp Thomas <pthomas@suse.de>
6241 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6243 * configure: Regenerate.
6245 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6247 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6248 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6250 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6252 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6253 If REVERSE nonzero then condition code in X must be reversed.
6254 (encode_section_info): Optimise if/else.
6255 (avr_function_value): Fix formatting.
6257 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6258 (difficult_branch): Likewise.
6259 (rvbranch): Likewise.
6260 (difficult_rvbranch): Likewise.
6262 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6264 * config/avr/libgcc.S: Fix comment.
6266 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6268 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6270 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6272 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6274 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6276 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6277 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6278 * configure, config.in: Regenerate.
6279 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6280 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6281 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6282 (doprint.o): New rule.
6284 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6286 * c-typeck.c (digest_init): Handle boolean types as scalars.
6288 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6290 * stmt.c (expand_return): Don't return anything if size is zero.
6291 Delete redundant assignment to BYTES.
6292 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6294 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6296 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6297 the same as the default library function names.
6298 * config/avr/avr.md: Document special characters after '%'.
6299 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6300 knowing which of the call-used registers are really clobbered.
6301 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6302 New. Both quotient and remainder from one libgcc.S call.
6303 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6304 clobber as few registers as possible.
6305 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6307 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6309 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6310 context of the top of the stack.
6312 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6314 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6315 (fixup_var_refs_insns): ...here.
6317 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6319 * function.c (fixup_var_refs_insns): Break up into
6320 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6321 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6322 [loop over hash table entries].
6323 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6324 fixup_var_refs_insns_with_hash, to match above changes.
6326 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6328 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6329 (libgcc.a): Likewise.
6330 (stmp-multilib): Likewise.
6331 (STAGE2_FLAGS_TO_PASS): Likewise.
6333 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6335 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6336 temporary if no_new_pseudos.
6338 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6340 * cppinternals.texi: Update.
6342 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6344 * arm.c (arm_init_builtins): Re-enable builtins.
6346 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6348 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6349 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6350 element to be null, and always expect an EXPR_LIST.
6351 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6352 * sched-deps.c (sched_analyze_1): Likewise.
6353 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6355 * regclass.c (max_set_parallel): New variable.
6356 (reg_scan): Take it into account in computation of max_parallel.
6357 (reg_scan_mark_refs, case SET): Compute it.
6359 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6361 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6362 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6364 2001-01-19 Jason Merrill <jason@redhat.com>
6366 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6367 for the abstract instance of an inline function.
6369 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6370 J"orn Rennecke <amylaar@redhat.com>
6372 * reload1.c (move2add_note_store): Treat all registers directly or
6373 indirectly derived from a base register as members of the same set
6375 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6376 of base register into account.
6378 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6380 * alias.c (find_base_value): Recognize TRUNCATE.
6381 (record_set): In PLUS case, invalidate if other summand is also a
6384 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6386 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6387 entry to be EXPR_LIST.
6388 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6389 be an EXPR_LIST (but not null, which other code doesn't allow).
6390 (note_stores): Properly handle PARALLEL in SET.
6391 Recursively call for top-level PARALLEL.
6392 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6393 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6395 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6397 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6399 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6400 not pfile->skipping (== 0).
6402 2001-01-17 Nick Clifton <nickc@redhat.com>
6404 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6407 2001-01-17 Jim Wilson <wilson@redhat.com>
6409 * invoke.texi (IA-64 options): Improve.
6411 2001-01-17 Tom Tromey <tromey@redhat.com>
6413 * invoke.texi (Optimize Options): Use `{}' to around @samp
6416 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6418 * invoke.texi (-fno-guess-branch-probability): New option.
6420 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6422 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6423 case of making new double-word constant.
6424 Revert last change: instead just test i3_subst_into_i2.
6426 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6428 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6429 Use q constraints instead of r.
6431 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6433 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6434 (machine_function): Define.
6435 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6436 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6437 pa_free_machine_status): New functions.
6438 (override_options): Set {init,mark,free}_machine_status to above.
6439 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6440 PIC_OFFSET_TABLE_REGNUM_SAVED.
6441 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6442 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6443 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6444 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6445 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6447 2001-01-15 DJ Delorie <dj@redhat.com>
6449 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6453 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6455 * flow.c (propagate_on_insn): Make trying to delete a prologue
6456 or epilogue insn an ICE, not a warning. Allow doing this if
6457 the current function returns with stack pointer depressed.
6459 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6460 I3 having more than one SET.
6462 2001-01-16 Jim Wilson <wilson@redhat.com>
6464 * invoke.texi: Document IA-64 options.
6466 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6467 (fixup_errata): Delete TARGET_A_STEP use.
6468 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6469 (TARGET_SWITCHES): Delete -ma-step option.
6470 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6471 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6472 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6473 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6474 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6475 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6477 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6478 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6479 cmovsi_internal): Delete ! TARGET_A_STEP check.
6481 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6483 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6484 possibility to report bugs via postal mail. Change a URL and
6485 merge in a nearly duplicate statement...
6486 (Bug Reporting): ...from here.
6487 (Service): Refer to the Bug Reporting section instead of
6489 (Contributing): Remove trivial explanations concerning snapshots.
6491 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6493 * cppmain.c (general_init): Don't use ANSI prototype.
6495 2001-01-16 Tom Tromey <tromey@redhat.com>
6497 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6499 2001-01-16 Richard Henderson <rth@redhat.com>
6501 * config/i386/i386.h: Fix comment typo.
6502 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6503 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6505 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6507 * gcc.c: Revert previous -fsyntax-only-related change; move
6510 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6512 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6513 inmode after checking GET_CODE (op).
6515 2001-01-16 Richard Henderson <rth@redhat.com>
6517 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6518 (MAX_MEM_SET_LIST_LEN): New.
6519 (propagate_one_insn): Update mem_set_list_len.
6520 (invalidate_mems_from_autoinc): Likewise.
6521 (invalidate_mems_from_set): Likewise.
6522 (mark_used_regs): Likewise.
6523 (init_propagate_block_info): Likewise. Stop collecting memories
6524 when we reach MAX_MEM_SET_LIST_LEN.
6525 (mark_set_1): Likewise.
6527 2001-01-16 Richard Henderson <rth@redhat.com>
6529 * unroll.c (precondition_loop_p): Fail if no iteration
6532 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6534 * gcc.c: When -fsyntax-only is given, do not complain about
6537 2001-01-15 Richard Henderson <rth@redhat.com>
6539 * config/i386/i386.c (asm_output_function_prefix): Remove.
6540 (ix86_asm_file_end): New.
6541 (load_pic_register): Generate pic_label_name into a
6542 staticly allocated buffer.
6543 * config/i386/i386-protos.h: Update.
6544 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6545 (ASM_FILE_END): New.
6546 * config/i386/i386afe.h: New file.
6547 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6548 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6549 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6550 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6551 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6552 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6553 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6555 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6557 * Makefile.in (install-man): Remove explicit dependency on
6560 * configure.in, configure: Revert previous patch requiring perl
6563 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6565 * toplev.c (flag_guess_branch_prob): New.
6566 (f_options): Add guess-branch-probability option.
6567 (rest_of_decl_compilation): Only estimate branch probability if
6569 (main): set flag_guess_branch_prob.
6571 * flags.h (flag_guess_branch_prob): New.
6573 2001-01-15 DJ Delorie <dj@redhat.com>
6575 * gcc.texi (Makefile): Add documentation for Makefile targets.
6577 2001-01-15 Philip Blundell <philb@gnu.org>
6579 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6581 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6582 (is_pic): Delete declaration.
6583 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6584 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6585 * config/arm/arm.md (builtin_setjmp_receiver): New.
6587 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6589 * arm.c (use_return_insn): Don't try to determine the function type
6590 until after reload has completed.
6591 (arm_output_epilogue): Don't adjust the sp value recovered from the
6593 (emit_multi_reg_push): Don't record dwarf information for the pc.
6594 * arm.md (eh_epilogue): The function type may have changed, so it
6595 needs to be recalculated.
6596 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6597 unwind tables on arm/netbsd.
6599 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6601 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6602 (negated_cbranchsi4): Likewise.
6604 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6606 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6607 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6608 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6609 pass -mapcs-* options to assembler.
6610 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6611 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6612 (ASM_SPEC): Call subtarget_extra_asm_spec.
6614 2001-01-15 Andreas Jaeger <aj@suse.de>
6616 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6618 (ix86_expand_builtin): Likewise.
6620 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6621 warning about comparison between signed and unsigned.
6623 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6625 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6627 2001-01-14 Ralf Baechle <ralf@gnu.org>
6629 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6630 SUBTARGET_CPP_SPEC apropriatly.
6632 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6634 * varasm.c (make_decl_rtl): Fix typo in last change.
6636 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6638 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6639 linker supports the init_priority C++ attribute.
6640 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6641 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6642 linker does not support init_priority C++ attribute.
6644 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6646 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6648 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6650 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6651 * cp/lex.c (finish_parse): Similarly.
6652 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6653 Return the number of errors encountered.
6654 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6655 * cppmain.c (main): Don't call cpp_destroy.
6657 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6659 * configure.in: Require at least perl 5.6.0 to regenerate
6661 * configure: Regenerate.
6663 2001-01-14 Richard Henderson <rth@redhat.com>
6665 * genrecog.c (DT_veclen_ge): New.
6666 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6667 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6668 (nodes_identical_1): Handle DT_veclen_ge.
6669 (write_cond, debug_decision_2): Likewise.
6671 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6673 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6675 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6677 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6679 * cppmain.c (do_preprocessing): New function; most of the old
6681 (main): Call it to do most of the work.
6682 (cb): Move from global scope to set_callbacks ().
6683 (setup_callbacks): Get the callback pointer.
6684 (general_init, printer_init): Clean up code and comments.
6686 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6688 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6691 2001-01-14 Kazu Hirata <kazu@hxi.com>
6693 * config/h8300/h8300.c (get_shift_alg): Update comments.
6695 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6697 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6698 (alloc_page, ggc_alloc): Add casts to remove warnings.
6700 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6702 * combine.c (simplify_comparison): Don't change `code' when
6703 can't reverse comparison.
6705 2001-01-14 Richard Henderson <rth@redhat.com>
6707 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6708 update all call sites. Return true for all non-label constants.
6710 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6712 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6714 (ix86_expand_branch): Update.
6715 (ix86_expand_setcc): Update to handle multiple test conditions.
6716 (expand_int_movcc): Likewise.
6717 (expand_fp_movcc): Likewise.
6718 * i386-protos.h (ix86_expand_compare): New.
6719 * i386.md (andqi_?_slp, orqi_?_slp): New.
6720 (conditional trap expander): Update call to ix86_expand_compare.
6722 2001-01-14 Richard Henderson <rth@redhat.com>
6724 * config/vax/vax.md: Use nonimmediate_operand instead of
6725 general_operand in destinations.
6727 * config/vax/vax.md (indirect_jump): Use register_operand.
6729 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6730 * config/vax/vax.md (call_pop): Turn into an expander.
6731 (call_value_pop): Likewise.
6732 (call, call_value): New.
6734 2001-01-14 Andreas Jaeger <aj@suse.de>
6736 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6738 (ix86_fp_compare_mode): Add unused attribute.
6739 (ix86_expand_fp_movcc): Remove unused variable.
6740 (ix86_expand_builtin): Make fcode unsigned.
6742 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6743 (expand_expr): Add cast to avoid signed warning.
6744 (store_field): Likewise.
6745 (store_constructor_field): Likewise.
6746 (store_constructor): Likewise.
6747 (store_expr): Likewise.
6748 (clear_storage): Likewise.
6749 (emit_group_store): Likewise.
6750 (emit_group_load): Likewise.
6752 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6754 * c-common.c: Move format checking code to ...
6755 * c-format.c: ... here. New file. Reorder some functions and
6757 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6759 * c-common.h (decl_handle_format_attribute,
6760 decl_handle_format_arg_attribute): Declare.
6761 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6762 (c-common.o): Adjust dependencies.
6763 (c-format.o): New list of dependencies.
6765 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6767 * unroll.c (loop_iterations): If we cannot prove iteration variable
6768 is set once in each iteration, punt.
6770 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6772 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6773 (*strlenhi): Remove clobber (which was buggy) of output address.
6775 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6777 * Makefile.in (generated-manpages): Add gcc.1
6778 ($(srcdir)/gcc.1): New target.
6779 (maintainer-clean): Delete $(srcdir)/gcc.1.
6780 * gcc.texi: Add macros @gccoptlist and @gol.
6781 * invoke.texi: Include option summary in manpage. Mark up option
6782 summary with @gccoptlist and @gol. Use @r in one place where
6784 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6785 * gcc.1: Generate from invoke.texi.
6787 2001-01-13 Richard Henderson <rth@redhat.com>
6789 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6790 (struct page_entry): Add group member.
6791 (struct page_group): New.
6792 (struct globals): Add page_groups member.
6793 (alloc_anon): Only define for using mmap; remove valloc call.
6794 (page_group_index): New.
6795 (set_page_group_in_use): New.
6796 (clear_page_group_in_use): New.
6797 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6798 (free_page, release_pages): Likewise.
6799 * configure.in (with-gc): Default to ggc-page always.
6801 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6803 * reload1.c (replace_pseudos_in_call_usage): Use
6804 reg_equiv_constant and reg_equiv_address, and don't try
6805 regno_reg_rtx first.
6807 2001-01-13 Richard Henderson <rth@redhat.com>
6809 * ggc-page.c (alloc_page): Round up allocation size to one page.
6810 Set e->order on extra pages.
6812 2001-01-13 Richard Henderson <rth@redhat.com>
6814 * genrecog.c (nodes_identical): Expand commentary.
6815 (write_switch): Watch out for identical nodes.
6817 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6819 * cppfiles.c (_cpp_fake_include): New function.
6820 * cpphash.h (_cpp_fake_include): New.
6821 * cpplib.c (do_line): Call _cpp_fake_include when entering
6822 header files in preprocessed input.
6823 * cppmain.c (cb_pragma_implementation): Remove handling.
6824 (setup_callbacks): Don't register pragmas.
6826 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6828 * extend.texi: Udate for CPP.
6830 2001-01-13 Andreas Jaeger <aj@suse.de>
6832 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6834 * regmove.c: Add prototype for replace_in_call_usage.
6836 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6838 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6839 struct cpp_chunk, struct htab, struct toklist,
6840 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6841 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6842 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6843 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6844 (struct macro_args): Delete.
6845 * cpphash.h: See above.
6847 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6849 * cppmain.c (struct printer): Remove no_line_dirs.
6851 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6852 : Use options rather than CPP_OPTION.
6853 (setup_callbacks): Use cb rather than pfile->cb.
6854 (main): No need to check for a buffer. Use cpp_errors.
6855 (printer_init): Don't set no_line_dirs.
6856 (maybe_print_line): Use options not no_line_dirs.
6857 (cb_file_change): Don't call print_line if -P.
6859 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6861 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6863 * c-parse.in (finish_parse): Use cpp_errors.
6864 (__yylex): Use return value of cpp_pop_buffer.
6865 * cp/lex.c (finish_parse): Use cpp_errors.
6866 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6868 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6870 * README.AVR: URLs corrected.
6872 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6874 * c-decl.c (start_function): Don't warn if old prototype is builtin
6875 that's not in C's namespace.
6876 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6877 (_bb): Add prototype for ctime.
6878 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6880 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6882 * i386.c (ix86_fp_comparison_arithmetics_cost,
6883 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6884 ix86_fp_comparison_cost): New functions.
6885 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6886 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6887 two-branch sequences; make static.
6888 (ix86_use_fcomi_compare): Do decision according to the costs.
6889 (split_fp_branch): New.
6890 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6891 * i386-protos.h (ix86_expand_fp_compare): Remove
6892 (ix86_split_fp_branch): Declare.
6894 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6895 and ix86_comparison_operator.
6897 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6900 * i386.c (put_condition_code): Output properly the unordered/ordered
6901 compares in fp case.
6902 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6904 * tm.texi (REVERSE_CONDITION): Document.
6905 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6906 in -ffast-math mode.
6907 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6909 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6911 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6913 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6916 * config/sh/sh.c (mova_p): Fix test for mova_const.
6918 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6920 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6921 cpp_get_options rather than dereferencing pfile and using
6923 * scan-decls.c (scan_decls): Use return value of
6924 cpp_pop_buffer rather than CPP_BUFFER.
6926 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6928 * cppinit.c (cpp_handle_option): help_only is now part of the
6929 cpp_options structure.
6930 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6931 cpp_set_callbacks): New functions.
6932 * cpplib.h (cpp_callbacks): Break out as a named structure.
6933 (cpp_options): Move help_only here from cpp_reader.
6934 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6935 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6936 cpp_set_callbacks): New prototypes.
6937 * cppmain.c (main): Update for help_only.
6939 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6941 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6942 Also build and remove and install and uninstall c-tree.info and
6944 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6945 ($(srcdir)/cppinternals.info): New target.
6946 * c-tree.texi: Change file name used when makeinfo used without -o
6947 from ir.info to c-tree.info. Add info directory entry.
6948 * cppinternals.texi: Add info directory entry.
6949 * .cvsignore: Update.
6951 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6953 * c-typeck.c (store_init_value): Don't require constant initializer
6954 elements with -pedantic -std=c99.
6955 (digest_init): Change error about non-constant initializer elements
6957 (constructor_range_end): Remove.
6958 (constructor_incremental, designator_depth,
6959 designator_errorneous): New variables.
6960 (struct constructor_stack): Remove range_end, add incremental.
6961 (struct constructor_range_stack, constructor_range_stack): New.
6962 (struct initializer_stack): Add constructor_range_stack.
6963 (finish_init): Set it.
6964 (start_init): Likewise. require_constant_elements for non-static
6965 trees only if not flag_isoc99.
6966 (really_start_incremental_init): Remove constructor_range_end, add
6967 constructor_incremental.
6968 (pop_init_level): Likewise.
6969 (push_init_level): Likewise. If implicit and the subobject had some
6970 value set already, preinitialize the level with it.
6971 Warn about missing braces only if not pushing due to designators.
6972 (set_designator, push_range_stack): New functions.
6973 (set_init_label): Use them.
6974 (set_init_index): Likewise. Remove constructor_range_end.
6975 Error if designator index is outside of array bounds.
6976 (add_pending_init): Compare values of purpose index trees, not the
6977 trees themselves. Allow overwriting of already initialized element.
6978 Issue a warning if it had side-effects.
6979 (set_nonincremental_init, set_nonincremental_init_from_string): New
6981 (pending_init_member): Rename to...
6982 (find_init_member): ...this function. Call set_nonincremental_init
6983 if necessary. Compare values of purpose index trees, not the trees
6984 themselves. Return the actual value, not just non-zero if something
6986 (output_init_element): Remove checks for duplicates.
6987 If field has zero size, only check the initializer for correctness.
6988 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6989 if constructor_incremental is zero. Change error about initializers
6990 not computable at load time into pedwarn.
6991 (output_pending_init_elements): Compare bit positions, not
6992 FIELD_DECLs to take into account zero-sized fields.
6993 (process_init_element): Use constructor_range_stack to fill all
6994 ranges in the designator lists from current level up.
6995 * extend.texi: Update documentation for labeled elements.
6997 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6999 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7000 to function usage for arguments passed by reference. Optimize
7001 callee-copied arguments.
7002 * regmove.c (replace_in_call_usage): New function.
7003 (fixup_match_1): Call it.
7004 * cse.c (cse_insn): Canonicalize registers in function usage.
7005 * reload1.c (replace_pseudos_in_call_usage): New function.
7008 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7011 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7013 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7016 2001-01-12 DJ Delorie <dj@redhat.com>
7018 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7019 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7022 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7024 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7025 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7026 -std options alongside references to -ansi. Update some
7027 documentation for C99.
7028 * cpp.1: Regenerate.
7030 2001-01-12 Andreas Jaeger <aj@suse.de>
7032 * haifa-sched.c (restore_line_notes): Remove argument block B
7034 * sched-ebb.c (schedule_ebb): Change caller.
7035 * sched-rgn.c (schedule_region): Likewise.
7036 * sched-int.h (restore_line_notes): Adjust prototype.
7038 * loop.h: Remove wrong declaration of doloop_condition_get.
7040 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7042 * extend.texi: Move C++-extension-related node from the C section
7043 into the C++ section.
7045 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7047 * extend.texi: Refer to an array of pointers to functions instead
7048 of one of functions.
7050 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7051 Jan Hubicka <jh@suse.cz>
7053 * combine.c (reversed_comparison): Fix typo in last patch.
7055 (combine_reversed_comparison_code): Make static to follow
7056 prototype declaration.
7058 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7060 * install.texi: Remove misplaced duplicate entry.
7062 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7064 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7066 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7068 * final.c: (leaf_function_p): Fix typo.
7070 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7072 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7073 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7075 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7076 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7077 mmap_anon, and valloc is available.
7078 * ggc-page.c: Restructure ifdef logic to match new autoconf
7079 spec. Don't throw away the test page in init_ggc.
7081 * configure, config.in: Regenerate.
7083 2001-01-12 Michael Hayes <mhayes@redhat.com>
7085 * loop.h (total_biv_increment): Constify iv_class pointer.
7086 (struct induction): Replace `mem_mode' with `mem' rtx.
7087 * unroll.c (total_biv_increment): Constify iv_class pointer.
7088 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7089 (find_mem_givs, combine_givs_p): Likewise.
7090 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7092 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7094 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7096 (__gthread_getspecific): Ditto.
7098 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7100 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7101 put_condition_code): Convert fp comparison codes to integer
7103 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7106 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7107 * i386-protos.h (no_comparison_operator): Kill.
7109 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7111 * combine.c (REVERSIBLE_CC_MODE): Remove.
7112 (reversible_comparison_p): Remove.
7113 (combine_reversed_comparison_code): New.
7114 (reversed_comparison): New.
7115 (combine_simplify_rtx): Use
7116 combine_reversed_comparison_code/reversed_comparison instead
7117 of reversible_comparison_p.
7118 (simplify_if_then_else): Likewise.
7119 (simplify_set): Likewise.
7120 (simplify_logical): Likewise.
7121 (if_then_else_cond): Likewise.
7122 (known_cond): Likewise.
7123 (simplify_comparison): Likewise.
7125 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7127 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7128 sizeof (int) is larger than sizeof(__word__).
7130 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7132 * cppinit.c (do_includes): Fix typo.
7134 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7136 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7137 in S_REGS does not occur because not all sources are possible
7138 when a S_REGS is a destination (sometimes needs a clobber).
7139 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7140 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7141 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7142 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7143 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7144 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7145 (lshrdi_const1, lshrsi3_const16): Likewise.
7146 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7147 (*movhi_68hc12, *movqi_68hc12): Likewise.
7148 (movstrictqi): Make sure reloading in D_REGS as a destination
7151 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7153 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7155 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7157 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7158 -D, -U and -A, and don't initialize the builtins.
7159 (do_includes): Error if -include or -imacros with -fpreprocessed.
7160 * cppmain.c (cb_define, cb_undef): Unconditionally process
7162 * tradcpp.c (main): Fix typo.
7164 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7166 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7167 (read_name_map): Use IS_ABSOLUTE_PATH.
7168 * tradcpp.c (get_filename): Likewise.
7170 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7172 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7173 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7174 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7175 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7176 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7177 (cmphi_z_used): Don't use '@' for the output.
7178 (tstqi_z_used): Likewise.
7179 (cmpqi_z_used): Likewise.
7180 (one_cmplsi2): Likewise.
7182 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7184 * config/sh/sh.c (barrier_align): Recognize branch around far
7185 branch and redundant insn.
7187 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7189 * invoke.texi: Restore documentation of the drivers' switches -MD
7192 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7194 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7196 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7197 check-objc//%): Support parallel testing of multilibs.
7198 (TESTSUITEDIR): Set to testsuite by default, but override for
7200 (check-gcc, check-g++, check-g77, check-objc): Enter
7203 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7205 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7206 * sched-deps.c (deps_may_trap_p): Likewise.
7207 * basic-block.h: Remove a comment.
7208 * flow.c (PROP_POSTRELOAD): Remove.
7209 (update_life_info): Don't add it to prop_flags.
7210 (mark_set_1): Lose the code that was enabled by it.
7212 2001-01-11 Michael Hayes <mhayes@redhat.com>
7214 * flow.c (flow_call_edges_add): New.
7215 * basic_block.h (flow_call_edges_add): New.
7217 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7219 * reload1.c (move2add_note_store): Update reg_set_luid even if
7220 base reg remains the same.
7222 2001-01-10 Nick Clifton <nickc@redhat.com>
7224 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7225 machine_function structure to zero.
7226 Add prototypes for machine_status functions.
7228 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7230 * c-common.h (CTI_VOID_LIST): Remove.
7231 (void_list_node): Likewise.
7232 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7233 (void_list_node): New macro.
7234 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7235 * config/i386/i386.c (ix86_init_builtins): Likewise.
7236 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7238 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7240 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7241 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7243 * tradcpp.c: Include mkdeps.h.
7244 (deps, print_deps_phony_targets, deps_append, output_deps,
7245 init_dependency_output, output_deps): New.
7246 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7247 deps_output): Delete.
7248 (print_deps_missing_files): Rename deps_missing_files.
7249 (inhibit_output): Make global.
7250 (main): Delete inhibit_output, deps_stream, deps_target.
7251 Use mkdeps functionality in the same way as cpplib. Remove
7252 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7253 -M and -MM. Remove old handling of deps via deps_out, and
7254 old reading of environment variables.
7255 (get_filename): Update to use deps_add_dep.
7257 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7259 * output.h (make_function_rtl): Remove prototype.
7260 (make_decl_rtl): Likewise.
7261 * varasm.c (make_function_rtl): Remove.
7262 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7263 than from a third parameter.
7264 * tree.h (make_decl_rtl): Remove last parameter.
7265 * c-decl.c (builtin_function): Remove last argument in call to
7266 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7267 (start_function): Likewise.
7268 * except.c (call_get_eh_context): Likewise.
7269 * expr.c (emit_block_move): Likewise.
7270 (clear_storage): Likewise.
7271 * profile.c (output_func_start_profiler): Likewise.
7272 * toplev.c (rest_of_decl_compilation): Likewise.
7273 * objc/objc-act.c (create_builtin_decl): Likewise.
7274 (synth_module_prologue): Likewise.
7275 (generate_static_reference): Likewise.
7276 (build_selector_reference_decl): Likewise.
7277 (build_class_reference_decl): Likewise.
7278 (build_objc_string_decl): Likewise.
7279 (build_protocol_reference): Likewise.
7281 2001-01-10 Richard Henderson <rth@redhat.com>
7283 * hwint.h: Revert yesterday's change.
7285 2001-01-10 Nick Clifton <nickc@redhat.com>
7287 * function.h (save_machine_status): Delete.
7288 (restore_machine_status): Delete.
7289 Amend comment describing {init|mark|free}_machine_status.
7291 * function.c (save_machine_status): Delete.
7292 (restore_machine_status): Delete.
7293 Amend comment describing {init|mark|free}_machine_status.
7294 (push_function_context_to): Remove invocation of
7295 save_machine_status.
7296 (pop_function_context_from): Remove invocation of
7297 restore_machine_status.
7299 * emit-rtl.c (init_emit_once): Amend comment describing
7300 {init|mark|free}_machine_status.
7302 * tm.texi (Per-Function Data): New node. Describe the
7303 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7306 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7308 * cppinit.c (OPT_g): Remove.
7309 (cpp_handle_option): Update for removed -g3.
7310 (print_help): Update.
7311 * cpplib.h (struct cpp_options): Remove debug_output.
7312 * cppmain.c (setup_callbacks, cb_define): Update.
7313 * gcc.c (cpp_options): Translate -g3 to -dD.
7315 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7317 * config/i960/i960.md: Change modifier to + on the zero_extract
7318 pattern after the (rotate -2 reg) canonicalization pattern.
7320 2001-01-10 Richard Henderson <rth@redhat.com>
7322 * config/alpha/alpha.c (alpha_free_machine_status): New.
7323 (override_options): Install it.
7324 (alpha_mark_machine_status): Verify machine non-null.
7325 * config/i386/i386.c (ix86_free_machine_status): New.
7326 (override_options): Install it.
7327 (ix86_init_machine_status): Use xcalloc.
7328 (ix86_mark_machine_status): Verify machine non-null.
7329 * config/ia64/ia64.c (ia64_free_machine_status): New.
7330 (ia64_override_options): Install it.
7331 (ia64_mark_machine_status): Verify machine non-null.
7333 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7335 * function.c (instantiate_virtual_regs): Instantiate virtual
7336 registers found in CALL_INSN_FUNCTION_USAGE.
7338 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7340 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7341 equivalent to -ansi in disabling -Di386.
7343 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7345 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7347 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7349 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7351 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7353 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7355 * invoke.texi: Document that -fcond-mismatch isn't supported for
7358 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7360 * gcc.texi: Define macro gcctabopt.
7361 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7362 @command, @env and @option in some places where appropriate. Use
7363 @gcctabopt where appropriate. Put URLs and email addresses inside
7366 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7368 * gcc.c (cpp_options): Set MD file name from output
7369 filename, if specified.
7370 (suffix_subst): New static variable.
7371 (do_spec): Clear it.
7372 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7374 (give_switch): Handle suffix_subst.
7376 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7378 * invoke.texi: Fix another typo.
7380 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7382 * invoke.texi: Fix typo.
7384 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7386 * c-lang.c (lang_hooks): Update.
7387 (lang_decode_option): Remove.
7388 (lang_init_options): Rename c_init_options.
7389 * toplev.c (main): Use lang_hooks for lang_init_options
7390 and lang_decode_option.
7391 * toplev.h (lang_hooks): Add 2 new hooks.
7392 * tree.h: Remove lang_init_options and lang_decode_option.
7393 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7394 * cp/decl2.c: Similarly.
7395 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7396 (lang_hooks): Update.
7397 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7399 (lang_init_options): Rename ffe_init_options.
7400 (lang_hooks): Update.
7401 (lang_decode_option): Remove.
7402 * java/lang.c (lang_init_options): Rename java_init_options.
7403 (lang_decode_option): Rename java_decode_option.
7404 (lang_hooks): Update.
7405 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7406 (lang_decode_option): Rename objc_decode_option.
7407 (lang_hooks): Update.
7409 2001-01-09 Nick Clifton <nickc@redhat.com>
7411 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7412 (d30v_return_addr_rtx): Delete.
7413 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7414 cfun->machine structure.
7415 (struct machine_function): Move to d30v.h
7416 (d30v_save_machine_status): Delete.
7417 (d30v_restore_machine_status): Delete.
7418 (d30v_init_machine_status): New Function.
7419 (d30v_mark_machine_status): New Function.
7420 (d30v_free_machine_status): New Function.
7421 (d30v_init_expanders): Use new functions.
7422 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7423 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7424 d30v_return_addr_rtx.
7426 * config/d30v/d30v.h (struct_machine): Move here.
7427 Add eh_epilogue_sp_ofs field.
7429 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7430 field in cfun->machine structure.
7432 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7434 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7435 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7436 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7438 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7440 * objc/lang-options.h: Remove bogus reference to
7443 2001-01-09 Kazu Hirata <kazu@hxi.com>
7445 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7448 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7450 * reload.c (find_reloads_address): Check for eliminable registers
7451 when substituting a constant expression for a pseudo.
7453 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7455 * c-common.c (enum format_type): Add format_type_error.
7456 (decode_format_type): New function.
7457 (decl_attributes): Use it.
7458 (format_kind_info): Adjust comment.
7460 2001-01-09 David O'Brien <obrien@BSDi.com>
7462 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7463 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7465 * config/i386/gnu.h: Don't include required platform specific .h files,
7466 tm.h will do it instead.
7467 * config/i386/i386elf.h: Likewise.
7468 * config/i386/linux.h: Likewise.
7469 * config/i386/moss.h: Likewise.
7470 * config/mips/gnu.h: Likewise.
7472 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7474 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7475 (rs6000-ibm-aix3.[01]*): Likewise.
7476 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7477 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7478 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7479 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7480 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7481 (powerpc-*-eabiaix*): Likewise.
7482 (powerpc-*-eabisim*): Likewise.
7483 (powerpc-*-elf*): Likewise.
7484 (powerpc-*-eabi*): Likewise.
7485 (powerpc-*-rtems*): Likewise.
7486 (powerpc-*-linux*libc1): Likewise.
7487 (powerpc-*-linux*): Likewise.
7488 (powerpc-wrs-vxworks*): Likewise.
7489 (powerpcle-wrs-vxworks*): Likewise.
7490 (powerpcle-*-sysv*): Likewise.
7491 (powerpcle-*-elf*): Likewise.
7492 (powerpcle-*-eabisim*): Likewise.
7493 (powerpcle-*-eabi*): Likewise.
7494 (powerpcle-*-solaris2*): Likewise.
7495 * config/rs6000/aix31.h: Delete includes.
7496 * config/rs6000/aix3newas.h: Likewise.
7497 * config/rs6000/aix41.h: Likewise.
7498 * config/rs6000/aix43.h: Likewise.
7499 * config/rs6000/beos.h: Likewise.
7500 * config/rs6000/rtems.h: Likewise.
7501 * config/rs6000/sysv4.h: Likewise.
7503 2001-01-09 Kazu Hirata <kazu@hxi.com>
7505 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7506 Change an argument mode of machine_mode to shift_mode of
7507 shift_mode. Remove an extra error check.
7508 (emit_a_shift): Adopt to the new calling prototype of
7510 (function_prologue): Fix code for a monitor
7511 function. Support H8/S.
7512 (function_epilogue): Do not output pop for a monitor function.
7514 2001-01-09 Nick Clifton <nickc@redhat.com>
7516 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7517 (setup_incoming_varargs): Use sysv_varargs_p field of the
7518 cfun->machine structure.
7519 (struct machine_function): Move to rs6000.h
7520 (rs6000_save_machine_status): Delete.
7521 (rs6000_restore_machine_status): Delete.
7522 (rs6000_init_machine_status): New Function.
7523 (rs6000_free_machine_status): New Function.
7524 (rs6000_init_expanders): Use new functions.
7526 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7528 (struct machine_function): Move here.
7530 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7531 sysv_varargs_p field of the cfun->machine structure.
7533 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7535 (rs6000_restore_machine_status): Remove prototype.
7537 2001-01-09 Richard Henderson <rth@redhat.com>
7539 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7540 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7541 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7542 (sched_analyze_2, sched_analyze_insn): Likewise.
7543 (sched_analyze, init_deps): Likewise.
7544 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7545 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7546 (compute_block_backward_dependences): Update propagate_deps call.
7548 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7550 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7552 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7554 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7555 (cpp_handle_option): Handle them.
7556 (cpp_post_options): Ensure one of -M or -MM is specified with
7557 any other -M? option.
7558 (init_dependency_output): Suppress output with -MG.
7560 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7563 * invoke.texi: Update.
7565 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7567 * sh.md (reload_outsf): Generate recognizable patterns for
7570 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7572 * c-lang.c (lang_hooks): Update.
7573 (lang_init): Rename c_init.
7574 (lang_finish): Remove.
7575 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7577 * toplev.h (lang_hooks): Add init () and finish ().
7578 * tree.h (lang_init, lang_finish): Remove.
7579 * cp/tree.h (lang_init, lang_finish): Remove.
7580 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7581 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7583 (lang_init, lang_finish): Remove.
7584 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7585 (lang_hooks): Update.
7586 * java/lang.c (lang_init): Rename java_init.
7587 (lang_finish): Remove.
7588 (lang_hooks): Update.
7589 * objc/objc-act.c (lang_init): Rename objc_init.
7590 (lang_finish): Remove.
7591 (lang_hoooks): Update.
7593 20001-01-09 Graham Stott <grahams@redhat.com>
7595 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7596 after `ptr` is initialised.
7598 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7600 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7601 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7602 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7603 stack adjusts, instead of r3.
7605 2001-01-09 Michael Hayes <mhayes@redhat.com>
7607 * flow.c (flow_loop_scan): Break out of ...
7608 (flow_loops_find) ... here.
7609 * basic-block.h (flow_loop_scan): New.
7610 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7611 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7613 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7615 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7617 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7618 realloc()ing macro_buffer.
7620 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7621 if it's wider than long and the target's long is wider than the
7624 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7626 Remove support for using UWIN as a host machine.
7627 * configure.in: Issue an error message.
7628 * configure: Regenerated.
7629 * config.gcc: Remove xm_* UWIN configury.
7630 * config/i386/xm-uwin.h: Remove.
7632 2001-01-08 Nick Clifton <nickc@redhat.com>
7634 * config/v850/v850.c (ra_rtx): Delete.
7635 (v850_save_machine_status): Delete.
7636 (v850_restore_machine_status): Delete.
7637 (v850_init_machine_status): New function.
7638 (v850_mark_machine_status): New function.
7639 (v850_free_machine_status): New function.
7640 (v850_return_addr): Use ra_rtx field in machine structure.
7641 (v850_init_expanders): Use new functions.
7643 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7644 * config/v850/v850.c: Change arguments to v850_output+* functions
7645 to take a const char *, to avoid compile time warning.
7646 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7647 (USER_LABEL_PREFIX): Redefine.
7649 2000-01-08 Jim Wilson <wilson@redhat.com>
7651 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7652 1 to unsigned HOST_WIDE_INT before left shift.
7654 2001-01-08 Nick Clifton <nickc@redhat.com>
7656 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7657 the machine structure has been allocated.
7658 (arm_free_machine_status): New function: Free the machine
7659 specific function structure.
7661 2001-01-08 Richard Henderson <rth@redhat.com>
7663 * jump.c (simplejump_p): Revert last change.
7665 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7667 * cppinit.c (init): Rename init_library.
7668 (cpp_create_reader): Update.
7669 * gcc.c (cpp_options): If -o given, use it as the target of
7672 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7674 * arm.c (arm_arch5e): New variable.
7675 (all_cores): XScale is a 5TE device.
7676 (arm_override_options): Set arm_arch5e.
7677 (arm_init_builtins): __builtin_prefetch is in arch5e.
7678 * arm.h (arm_arch5e): Declare it.
7680 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7682 * arm.md (define_constants): Add defines for UNSPEC and
7683 UNSPEC_VOLATILE insns. Update all users.
7684 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7685 * arm.c (multi_register_push, note_invalid_constants)
7686 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7687 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7688 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7690 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7692 * jump.c (jump_optimize_1): Use reversed_comparison_code
7693 instead of can_reverse_comparison_p.
7694 (jump_back_p): Likewise.
7695 (invert_exp_1): Likewise.
7696 (thread_jumps): Likewise.
7697 * simplify-rtx.c (simplify_unary_operation): Likewise.
7698 (simplify_ternary_operation): Likewise.
7699 * cse.c (find_comparison_args): Convert to use
7700 can_reverse_comparison_p.
7701 (record_jump_equiv): Likewise.
7703 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7705 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7706 (EPILOGUE_USES): Define.
7707 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7708 automatically stack the LR if it isn't live.
7710 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7712 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7715 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7717 * ggc-page.c (max_alignment): New structure.
7718 (MAX_ALIGNMENT): New macro.
7719 (init_ggc): Use it to round up the sizes in the
7720 extra_order_size_table.
7722 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7724 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7727 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7729 * builtins.def (BUILT_IN_FPRINTF): New entry.
7731 * c-common.c (c_expand_builtin_fprintf): New function.
7732 (init_function_format_info): Handle __builtin_fprintf.
7733 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7734 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7736 * c-decl.c (duplicate_decls): Adjust comment.
7738 * extend.texi (fprintf): Document new builtin.
7740 2001-01-07 Richard Henderson <rth@redhat.com>
7742 * jump.c (simplejump_p): Recognize any single_set jump
7745 2001-01-07 Richard Henderson <rth@redhat.com>
7747 * configure.in (slibdir): Accept an --with-slibdir option.
7748 Use "test" not "[" in configure. Default to $(libdir).
7750 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7752 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7753 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7754 (SHLIB_LINK): Create links for the soname.
7755 * config/mips/t-iris6: Likewise.
7756 * config/sparc/t-slibgcc: Likewise.
7757 * config/sparc/t-slibgcc-sld: Likewise.
7759 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7761 * config/i386/i386.c (constant_call_address_operand): Accept
7762 (const (plus (symbol_ref) (const_int))).
7763 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7764 constant_call_address_operand.
7766 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7768 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7769 and LONG_LONG_TYPE_SIZE > 32.
7771 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7773 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7774 the previous change.
7776 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7778 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7780 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7781 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7782 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7785 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7787 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7789 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7791 * c-lang.c (c_post_options): Call cpp_post_options.
7792 * objc/objc-act.c (objc_post_options): Similarly.
7793 * cppmain.c (main): Similarly.
7794 * fix-header.c (read_scan_file): Similarly.
7795 * cppinit.c (cpp_start_read): Move option consistency checks
7796 to cpp_post_options. Don't call init_dependency_output.
7797 If needed, add default target and main file dependency.
7798 (OPT_MD, OPT_MMD): Remove.
7800 (cpp_handle_option): Update for OPT_* changes.
7801 (cpp_post_options): New.
7802 (init_dependency_output): Command line -MF overrides environment
7803 variables. Don't set default target etc. Suppress output
7804 if dependencies are going to stdout.
7805 (print_help): Update.
7806 * cpplib.h (cpp_post_options): New.
7807 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7809 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7811 * jump.c (comparison_dominates_p): Support unordered compares.
7813 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7815 * simplify-rtx.c (simplify_relational_operation): Always simplify
7816 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7819 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7821 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7822 (nonzero_bits): Likewise.
7823 (simplify_comparison): Likewise.
7824 (num_sign_bit_copies): Likewise; return more sane value depending
7825 on STORE_FLAG_VALUE.
7826 (known_cond): Do not assume EQ to be always true for equivalent
7829 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7831 * cse.c (fold_rtx): Handle unordered comparisons.
7833 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7835 * rtlanal.c (set_of_1): New static function.
7836 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7837 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7838 reg_set_last_last_regno): Remove.
7839 (set_of): New global function.
7840 (set_of_data): New structure.
7841 (reg_set_p, reg_set_last): Revamp for set_of.
7842 * rtl.h (set_of): New.
7844 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7846 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7847 * extend.texi: Document _Exit builtin.
7849 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7851 * (initialize, initialize_builtins,
7852 initialize_dependency_output, initialize_standard_includes):
7853 Rename s/initialize/init. Update.
7854 (init_dependency_output): Move to after
7855 cpp_handle_options, the correct location temporally at least.
7856 (opt_comp): Move next to init (), its caller. Fix prototype.
7857 (init): Make "initialized" local scope.
7858 (cpp_create_reader): Always call init ().
7859 (cpp_start_read): Update.
7860 (output_deps): New function, broken out of cpp_finish.
7861 (cpp_finish): Break out output_deps.
7863 2001-01-07 Richard Henderson <rth@redhat.com>
7865 * collect2.c (COFF specific stuff): Revert 12-06 patch
7866 to prototype system functions.
7868 2001-01-07 Michael Hayes <mhayes@redhat.com>
7870 * hard-reg-set.h: Add multiple include guard.
7871 * basic-block.h (struct loop): Add `sink' field.
7872 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7873 (emit_iv_add_mult): Delete.
7874 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7875 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7876 (unroll_loop): Remove end_insert_before argument.
7877 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7878 (maybe_eliminate_biv_1): Likewise.
7879 (emit_iv_add_mult): Delete.
7880 (gen_add_mult, loop_regs_update): New.
7881 (loop_insn_emit_after, loop_insn_emit_before): New.
7882 (loop_insn_sink, loop_insn_sink_or_swim): New.
7883 (emit_iv_add_mult): Delete.
7884 (scan_loop): Set loop->sink.
7885 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7886 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7887 (maybe_eliminate_biv_1): Likewise.
7888 (maybe_eliminate_biv_1): Add basic block argument.
7889 * unroll.c (unroll_loop): Remove end_insert_before argument.
7890 (find_splittable_regs): Likewise.
7891 (find_splittable_regs): Use loop_insn_sink and its ilk.
7892 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7894 2001-01-07 Michael Hayes <mhayes@redhat.com>
7896 * loop.h (loop_insn_hoist): New prototype.
7897 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7898 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7899 (check_dbra_loop, load_mems): Likewise.
7900 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7901 (find_splittable_givs): Likewise.
7903 2001-01-07 Michael Hayes <mhayes@redhat.com>
7905 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7907 2001-01-07 Richard Henderson <rth@redhat.com>
7909 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7911 2001-01-07 Richard Henderson <rth@redhat.com>
7913 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7914 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7915 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7916 variant that handles a shared libgcc.
7917 (process_command): Always validate -{static,shared}-libgcc.
7918 (do_spec_1): New 'M' case.
7919 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7921 2001-01-07 Richard Henderson <rth@redhat.com>
7923 * Makefile.in (slibdir): New variable.
7924 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7925 (installdirs): Create slibdir.
7926 (install-libgcc, install-multilib): Defer to libgcc.mk.
7927 * configure.in (slibdir): Substitute.
7928 * mklibgcc.in (install): New target.
7930 * config/t-linux (SHLIB_LINK): Create links for the soname.
7931 (SHLIB_INSTALL): New.
7932 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7933 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7934 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7935 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7936 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7938 2001-01-07 Richard Henderson <rth@redhat.com>
7940 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7941 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7942 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7944 2001-01-07 Michael Hayes <mhayes@redhat.com>
7946 * loop.c (count_loop_regs_set): Delete.
7947 (load_mems_and_recount_loop_regs_set): Delete.
7948 (loop_regs_scan): Merge common code from count_loop_regs_set,
7949 scan_loop, and load_mems_and_recount_loop_regs_set.
7950 (scan_loop): Call load_mems directly and loop_regs_scan
7951 again if new registers created.
7953 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7955 * toplev.c (main): Call the front-end specific post_options
7956 hook if one is given.
7957 * toplev.h (struct_lang_hooks, lang_hooks): New.
7958 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7959 for the C front end.
7960 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7961 lang_hooks for the C++ front end.
7962 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7963 lang_hooks for the ObjC front end.
7964 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7965 * java/lang.c (lang_hooks): Hooks for the Java front end.
7967 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7969 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7970 for verbose DWARF[2] debugging.
7971 (cb_define, cb_undef): The new callbacks.
7972 * toplev.h (debug_define, debug_undef): Make const correct.
7973 * toplev.c (debug_define, debug_undef): Similarly. Do not
7974 perform the verbosity tests here anymore.
7976 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7978 * reload.c (subst_reloads): Take INSN argument. When
7979 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7980 * reload.h (subst_reloads): Adjust prototype.
7981 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7982 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7983 present in JUMP_INSNs and copy them to JUMP_LABEL.
7984 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7985 JUMP_INSNs and insns with REG_LABELs that are followed by
7986 JUMP_INSNs with the same REG_LABEL.
7987 * sched-rgn.c (is_cfg_nonregular): Likewise.
7988 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7990 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7992 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7994 2001-01-06 Richard Henderson <rth@redhat.com>
7996 * loop.c (scan_loop): Use xcalloc for the regs array.
7997 (load_mems_and_recount_loop_regs_set): Zero the new memory
7998 received from xrealloc.
8000 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8002 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8004 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8006 * integrate.c (copy_rtx_and_substitute): When copying
8007 an ignored return value, strip REG_FUNCTION_VALUE_P.
8009 2001-01-06 Michael Hayes <mhayes@redhat.com>
8011 * loop.c (debug_biv, debug_giv): New.
8012 (loop_biv_dump): Break out from ...
8013 (record_biv): ... here.
8014 (loop_giv_dump): Break out from ...
8015 (record_giv): ... here.
8016 (loop_bivs_check): Use print_simple_rtl.
8017 * unroll.c (loop_iterations): Use print_simple_rtl.
8019 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8021 * pa.md (return, return_internal): Modify patterns to prevent regrename
8022 mucking with the return pointer.
8024 2001-01-05 Richard Henderson <rth@redhat.com>
8026 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8028 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8030 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8031 version supplied by Matteo Frigo.
8033 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8035 * cpp.texi: Update for -MQ.
8036 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8037 (cpp_cleanup): Always free pfile->deps.
8038 (initialize_dependency_output): Don't create pfile->deps.
8039 (cpp_handle_option): Similarly.
8041 * gcc.c (cpp_options): Handle -MQ.
8042 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8043 * mkdeps.c (base_name): Remove.
8044 (deps_init): Don't allocate vector space until it's needed.
8045 (deps_free): Only free vectors if allocated.
8046 (deps_add_target, deps_add_dep): Update for initial allocation.
8047 (deps_add_default_target): Don't strip to the base_name.
8049 2001-01-05 DJ Delorie <dj@redhat.com>
8051 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8052 (INIT_EXPANDERS): Define.
8054 * config/v850/v850.c (struct machine_function): Define.
8055 (v850_save_machine_status): New function.
8056 (v850_restore_machine_status): New function.
8057 (v850_return_addr): New function.
8058 (v850_init_expanders): New function.
8060 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8061 and v850_init_expanders.
8063 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8065 * cpplib.h (struct cpp_reader): Add help_only field.
8066 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8067 (cpp_handle_option): Set pfile->help_only if we see -h,
8068 --help, -target-help, or --version. Print version string but
8069 do not set help_only if we see -v or -version. Make text
8070 printed by -v match that printed by (-)-version.
8072 * cppmain.c (main): Exit after option parsing if
8073 pfile->help_only is true.
8075 * toplev.c (independent_decode_option): Call print_version,
8076 then exit, if we see --version (but not -version).
8077 (print_version): Split lengthy message into two lines.
8079 2001-01-05 Nick Clifton <nickc@redhat.com>
8081 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8082 temporary string for initialisation before calling ggc_alloc_string.
8084 2001-01-06 Michael Hayes <mhayes@redhat.com>
8086 * rtl.h (print_simple_rtl): New.
8087 * print-rtl.c (print_simple_rtl): New.
8089 (print_rtx): Disable printing of flags and modes, etc.,
8090 if `flag_simple` nonzero.
8092 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8094 * function.c (fixup_var_refs): Use push_to_full_sequence where
8097 2001-01-05 Michael Meissner <meissner@redhat.com>
8099 * flags.h (flag_reorder_blocks): Add declaration.
8100 (flag_rename_block): Ditto.
8102 2001-01-05 DJ Delorie <dj@redhat.com>
8104 * function.c (reorder_blocks): Make sure the flags are all reset
8105 before using them to mark blocks, else a second invocation will
8106 corrupt the block chain.
8107 (reorder_blocks_0): New, resets the flags.
8109 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8111 * cse.c (find_comparison_args): Stop if the argument is known to
8114 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8116 * config/sh/sh.md (movdf): When splitting load into pair of
8117 registers, don't clobber the register used in the address too
8120 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8122 * varasm.c (mark_constant_pool): Improve initial comments.
8123 (mark_constants): Move marking of constants to mark_constant.
8124 (mark_constant): New function to recursively mark all constants
8125 referred to by a constant.
8127 2001-01-05 Catherine Moore <clm@redhat.com>
8129 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8131 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8133 * cp/lang-options.h: Bring comment in line with reality.
8134 * f/lang-options.h: Likewise.
8135 * java/lang-options.h: Likewise.
8136 * objc/lang-options.h: Likewise.
8137 * ch/lang-options.h: Likewise.
8138 * f/g77.texi: And update the manual.
8140 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8141 Denis Chertykov <denisc@overta.ru>
8143 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8144 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8145 * config/avr/avr.md (all peepholes that request a scratch register):
8146 Call it, FAIL the peephole if not safe (in interrupt functions).
8148 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8150 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8152 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8154 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8156 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8157 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8158 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8159 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8160 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8162 * extend.texi: Document these builtins.
8164 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8166 * c-common.c (lang_get_alias_set): Say we know nothing of
8167 VECTOR_TYPE aliasing.
8169 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8171 2001-01-05 Bruce Korb <bkorb@gnu.org>
8173 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8174 their x* equivalent versions for atexit-less systems
8175 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8176 systems (or any other system any more).
8178 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8180 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8181 output operands. Use arm_hard_register_operand for operand 4.
8182 (stmsi_postinc): Similarly.
8183 (ldmsi): Use arm_hard_register_operand for opernand 2.
8185 * arm.c (arm_hard_register_operand): New function.
8186 * arm-protos.h (arm_hard_register_operand): Prototype it.
8188 * arm.h (HARD_REGNO_RENAME_OK): Define.
8190 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8192 * simplify-rtx.c (cfc_args): add "unordered" field.
8193 (check_fold_consts): Set unordered field.
8194 (simplify_relational_operation): Simplify the unordered
8197 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8200 * emit-rtl.c (try_split): Fix code to mark labels.
8201 * jump.c (mark_jump_label): Make global.
8202 * rtl.h (mark_jump_label): Declare.
8204 * predict.c (estimate_probability): Handle unordred comparisons.
8206 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8208 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8209 * cppinit.c (initialize_dependency_output): Update.
8210 (cpp_finish): Output dummy targets for -MP.
8212 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8213 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8214 * gcc.c (cpp_options): Update to handle -MP.
8215 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8216 to quote only the default target.
8217 (deps_phony_targets): Insert a preceding newline. Rename from
8218 deps_dummy_targets for consistency.
8221 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8223 * calls.c (emit_library_call_value_1): Support
8224 INIT_CUMULATIVE_LIBCALL_ARGS.
8225 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8227 2001-01-04 Richard Henderson <rth@redhat.com>
8229 * c-decl.c (finish_struct): Detect flexible array members
8230 used in an inappropriate context.
8231 * c-typeck.c (really_start_incremental_init): Special case
8232 constructor_max_index for zero length arrays.
8233 (pop_init_level): Allow initialization of flexible array
8234 members. Deprecate initialization of zero length arrays.
8235 Don't issue missing initializer warning for flexible array
8236 members or zero length arrays.
8237 (process_init_element): Don't dereference null DECL_SIZE.
8238 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8239 Don't abort for empty constructors. Use size_binop
8240 (output_constructor): Add commentary regarding zero length
8241 array futures. Abort if we try to initialize an array of
8242 unspecified length with a non-empty constructor in the middle
8245 * extend.texi (Zero Length): Update and clarify documentation
8246 on static initialization.
8248 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8250 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8251 with more than 32767 words of local storage.
8253 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8255 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8256 for 'abs', 'labs', and 'fabs'.
8257 (c4x_expand_builtin): Likewise.
8258 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8260 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8262 * config/sh/sh.md (prget, prset): New insn types.
8263 (return delay slot): Dont' allow prset.
8264 (call, sfunc delay slot): Don't allow prget.
8265 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8266 for prset and prget.
8268 2001-01-05 Michael Hayes <mhayes@redhat.com>
8270 * loop.h (struct loop_reg): New.
8271 (struct loop_regs): Change to use array of `struct loop_reg'.
8272 * loop.c: Replace assortment of varrays with single regs array.
8273 (count_one_set): Delete may_not_move array argument
8274 and use regs array instead. All caller's changed.
8275 (count_loop_regs_set): Delete may_not_move and single_usage
8276 arguments and use regs array instead. All caller's changed.
8277 (find_single_use_in_loop): Replace usage array argument with pointer
8278 to regs structure. All caller's changed.
8279 (loop_optimize): Delete `moved_once' array.
8281 2001-01-05 Michael Hayes <mhayes@redhat.com>
8283 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8284 Use it instead of loop_info->has_call for scanning loop mems.
8285 (check_dbra_loop): Replace loop_info->has_call test with
8286 loop_info->has_nonconst_call.
8288 2000-01-04 Matthew Hiller <hiller@redhat.com>
8290 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8293 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8295 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8296 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8298 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8300 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8301 (flag_short_double, flag_short_wchar): Define.
8302 (c_common_nodes_and_builtins): Create many tree nodes shared
8303 between C and C++ here instead of in cp/decl.c and ...
8304 * c-decl.c (init_decl_processing): ... here.
8305 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8306 (flag_short_double, flag_short_wchar): Don't define.
8307 (record_builtin_type): New function.
8308 (build_void_list_node): New function.
8309 * c-common.h (flag_short_double, flag_short_wchar,
8310 record_builtin_type, build_void_list_node): Declare.
8312 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8314 * integrate.c (expand_inline_function): Don't put a virtual
8315 register into the reg map.
8317 * function.c (fixup_var_refs_1): If force_operand didn't put
8318 the address into the target, move it there.
8320 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8322 Special-case tree_decl/tree_list allocations.
8323 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8324 (OBJECT_SIZE): New macro.
8325 (NUM_EXTRA_ORDER): Likewise.
8326 (extra_order_size_table): New variable.
8327 (NUM_ORDERS): New macro.
8328 (objects_per_page_table): New variable.
8329 (object_size_table): New variable.
8330 (G.pages): Use NUM_ORDERS to bound the array.
8331 (G.page_tails): Likewise.
8332 (DIV_ROUND_UP): Remove.
8333 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8334 (alloc_page): Use OBJECT_SIZE.
8335 (size_lookup): Don't make it const.
8336 (ggc_alloc): Use OBJECT_SIZE.
8337 (ggc_set_mark): Likewise.
8338 (ggc_get_size): Likewise.
8339 (init_ggc): Set up the object_size_table, objects_per_page_table,
8340 and adjust size_lookup.
8341 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8342 (ggc_pop_context): Use NUM_ORDERS.
8343 (clear_marks): Likewise.
8344 (sweep_pages): Likewise.
8345 (poison_pages): Likewise.
8346 (ggc_print_statistics): Use OBJECT_SIZE.
8348 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8350 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8351 Only call array_size_for_constructor if last field and array type
8352 with no upper bound.
8354 2001-01-04 Philip Blundell <philb@gnu.org>
8356 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8357 from bit 31 downwards, if this requires no more insns.
8358 (count_insns_for_constant): New helper function for above.
8360 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8362 * gencodes.c (output_predicate_decls): Remove empty initializer.
8364 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8366 * tree.c (copy_node): Remove documentation about obstacks.
8367 (buidl1): Check that nobody tries to build 2-argument nodes this
8370 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8372 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8375 * gencodes.c (output_predicate_decls): Fill empty initializer
8378 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8380 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8381 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8383 (do_include): Handle missing headers like cpp0.
8384 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8385 paths with first include pathname. Don't strcat to uninitialized
8388 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8390 * regrename.c (regrename_optimize): Don't rename from frame pointer
8391 if frame_pointer_needed.
8392 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8393 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8394 (ia64_reorg): Use it instead of scheduling if ! optimize.
8395 (errata_emit_nops): Properly call asm_noperands.
8396 (ia64_sched_reorder): Finish cycle if we see an asm.
8397 (ia64_variable_issue): Clear scheduling state after asms.
8399 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8401 * cpp.texi: Update for -MT.
8402 * cppinit.c (initialize_dependency_output): Add a default
8403 target if none has been given already.
8404 (no_tgt, OPT_MT): New.
8405 (cpp_handle_option): Handle -MT. Update -M etc.
8406 * cpplib.h (struct cpp_options): Remove deps_target.
8407 * gcc.c (cpp_options): Handle -MT.
8408 * mkdeps.c (struct deps): Move from mkdeps.h.
8409 (deps_calc_target): Rename deps_add_default_target. Add a
8410 default target if none has been specified already.
8411 * mkdeps.h (struct deps): Move to mkdeps.c.
8412 (deps_calc_target): Rename deps_add_default_target.
8414 2000-01-03 Richard Henderson <rth@redhat.com>
8416 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8418 * c-typeck.c (push_init_level): Move checks for flexible array
8419 members and zero length arrays ...
8420 (pop_init_level): ... here. Silently discard empty initializations.
8422 * varasm.c (output_constructor): Update for sizeof change to
8425 * extend.texi (Zero Length): Clarify semantics.
8427 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8429 * configure.in (tm.h): Include isns-codes.h last.
8430 * configure: Rebuilt.
8432 2001-01-03 Richard Henderson <rth@redhat.com>
8434 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8435 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8437 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8439 * tradcpp.c (main): Make sure finclude() is called with a valid
8440 indepth value while handling -include.
8442 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8444 * gencodes.c (output_predicate_decls): New function.
8446 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8447 even if it is not the first time machmode.h is #included.
8448 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8449 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8450 * gcc.texi (Copyright): Added 2001.
8452 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8454 * c-common.c (c_common_lang_init): New function. Warn if format
8455 warning options which only have effects when used with -Wformat
8456 are used without -Wformat.
8457 * c-common.h (c_common_lang_init): Declare.
8458 * c-lang.c (lang_init): Call c_common_lang_init.
8459 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8461 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8463 * configure.in: Check for the mktemp command.
8464 * configure: Regenerate.
8465 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8466 $TEMP. Create temporary files with mktemp, if available at
8467 configure time; otherwise use set -C. Remove temporary files
8470 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8472 * configure.in: Require at least texinfo 4.0. Check for whether
8473 Pod::Man is sufficiently recent to regenerate GCC manpages.
8474 * configure: Regenerate.
8475 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8477 (GENERATED_MANPAGES): Define.
8478 (generated-manpages): New target. Depend on cpp.1 as well as
8480 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8481 configure to generated-manpages or empty) rather than on the
8482 manpages directly. Remove execute permission from installed
8483 gcov.1 as well as cpp.1.
8484 * cpp.1, gcov.1: Regenerate.
8486 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8488 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8489 tree_low_cst. Allow using cmpstrsi in more cases.
8491 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8493 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8496 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8498 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8499 * Makefile.in (HOST_CFLAGS): Mention build-make.
8501 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8503 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8506 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8508 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8511 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8514 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8515 reg_base_value and reg_known_value arrays.
8516 (init_alias_analysis): Add more cases to detect known values.
8517 * sched-deps.c (deps_may_trap_p): New function.
8518 (sched_analyze_2): Use it.
8520 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8522 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8523 don't discard an ASHIFTRT if we're shifting in a wider mode.
8525 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8527 * toplev.c (rest_of_compilation): Don't print basic block information
8528 when CFG isn't up to date.
8530 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8532 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8533 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8534 (UNALIGNED_SHORT_ASM_OP): Define.
8535 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8537 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8539 * fold-const.c (fold_convert): Fix typo.
8541 2001-01-02 Richard Henderson <rth@redhat.com>
8543 * c-common.h (ASM_INPUT_P): New.
8544 * c-parse.in (asm): Set it when needed.
8545 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8546 existance of an operand.
8548 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8550 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8551 (dwarf2out_frame_debug_expr): Likewise.
8552 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8554 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8556 * i386.c (ix86_split_to_parts): Return number of part required;
8558 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8560 (ix86_split_long_move): Use number of part returned
8561 by ix86_split_to_parts
8562 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8564 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8565 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8566 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8567 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8568 (ALIGN_MODE_128): Add TFmode.
8569 (IS_STACK_MODE): Likewise.
8570 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8571 (HARD_REGNO_OK): Support TFmodes.
8572 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8573 * i386.md (scheduler definitions): Use memory operand to determine
8574 fst/fld instructions; use mode attribute to determine real mode of
8576 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8577 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8579 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8581 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8583 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8585 * expr.c (store_constructor_field): Update ALIGN before calling
8588 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8590 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8593 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8595 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8598 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8600 * c-decl.c (start_function): Don't warn on third parameter to main.
8602 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8604 * tsystem.h: Define HAVE_DECL_GETOPT.
8606 2001-01-02 Philip Blundell <pb@futuretv.com>
8608 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8611 2001-01-02 Richard Henderson <rth@redhat.com>
8613 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8615 2001-01-02 Andreas Jaeger <aj@suse.de>
8617 * c-decl.c (c_decode_option): Remove support of
8620 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8621 (W_options): Add -Wmissing-noreturn here.
8623 * flow.c: Define lang_missing_noreturn_ok_p.
8624 (check_function_return_warnings): Use it.
8626 * c-common.h: Declare lang_missing_noreturn_ok_p.
8628 * c-lang.c (c_missing_noreturn_ok_p): New function.
8629 (lang_init): Set lang_missing_noreturn_ok_p.
8631 * invoke.texi (Warning Options): Document this.
8633 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8635 * extend.texi (C++ Extensions): New node for C++ attributes;
8636 describe init_priority and com_interface.
8637 * invoke.texi: Remove -finit-priority as it now has zero effect.
8638 * install.texi: Fix xref syntax.
8639 * md.texi: Likewise.
8641 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8643 * config.gcc (sparc64-wrs-vxworks*): New case.
8644 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8646 * config/sparc/sparc.c (sparc_override_options): Do support different
8647 pointer and architecture size.
8648 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8649 (POINTERS_EXTEND_UNSIGNED): Define.
8650 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8651 (FUNCTION_MODE): Define to be Pmode.
8652 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8654 * function.c (expand_function_end): Properly handle DECL_RESULT
8655 and copy when ptr_mode != Pmode.
8656 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8658 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8660 * c-common.c (c_common_nodes_and_builtins): Set prototype
8661 parameters for __builtin_fputs, __builtin_fputc and
8662 __builtin_fwrite. Don't declare plain fputc as a builtin.
8664 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8666 * loop.c (add_label_notes): Increment the label usage count when
8667 a note is added to an insn which refers to a CODE_LABEL.
8668 * gcse.c (add_label_notes): Likewise.
8670 2001-01-01 Andreas Jaeger <aj@suse.de>
8672 * loop.c (scan_loop): Use xmalloc to allocate movables.
8674 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8676 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8677 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8678 * reload1.c (REGISTER_MOVE_COST): Likewise.
8679 * regclass.c (REGISTER_MOVE_COST): Likewise.
8680 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8681 dimension. Adjust all users.
8682 (init_reg_sets_1): Iterate on all modes.
8683 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8684 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8685 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8686 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8687 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8688 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8689 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8690 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8691 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8692 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8693 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8694 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8695 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8696 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8697 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8698 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8699 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8700 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8701 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8702 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8703 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8704 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8705 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8706 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8707 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8708 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8709 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8711 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8713 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8714 arg VARIES_P. Call it with extra arg.
8715 (true_dependence): Likewise.
8716 * rtl.h (rtx_addr_can_trap_p): Declare.
8717 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8719 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8720 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8721 pic offset table register if it's zero. All callers changed.
8722 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8724 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8726 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8727 STRING_POOL_ADDRESS_P.
8729 * config/sparc/sparc.c (input_operand): Properly test for short op.
8731 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8732 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8733 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8734 * config/sparc/elf.h: No longer include sol2.h.
8735 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8736 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8738 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8740 2001-01-01 Michael Hayes <mhayes@redhat.com>
8742 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8743 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8744 (record_initial): Likewise.
8745 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8746 (remap_split_bivs): Likewise.
8748 2001-01-01 Michael Hayes <mhayes@redhat.com>
8750 * loop.c (loop_ivs_free): New function.
8751 (strength_reduce): Break out from...
8753 2001-01-01 Michael Hayes <mhayes@redhat.com>
8755 * loop.h (struct iv): New.
8756 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8757 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8758 'reg_biv_class' fields with 'regs' and 'n_regs'.
8759 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8760 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8761 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8763 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8765 * resource.c (mark_referenced_resources): Abort() before
8766 attempting to mark a pseudo register.
8767 (mark_set_resources): Likewise.
8769 2001-01-01 Michael Hayes <mhayes@redhat.com>
8771 * loop.h (REG_IV_CLASS): New accessor macro.
8772 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8773 * unroll.c (REG_IV_CLASS): Likewise.
8775 See ChangeLog.4 for earlier changes.