1 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
3 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
6 2001-04-14 Alan Modra <amodra@one.net.au>
8 * pa.c (force_mode): New function.
9 (emit_move_sequence): Use it instead of generating new rtx_REGs.
11 2001-04-13 Jim Wilson <wilson@redhat.com>
13 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
14 (first_instruction): New static variable.
15 (rtx_needs_barrier): Return 1 for alloc.
16 (init_insn_group_barriers): Set first_instruction.
17 (rws_sum): Delete duplicate definition.
18 (group_barrier_needed_p): Return 0 when first_instruction true.
19 (safe_group_barrier_needed_p): Save and restore first_instruction
20 around group_barrier_needed_p call.
22 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
24 * expr.h (enum libfunc_index): Add LTI_memmove.
25 (memmove_libfunc): Define macro.
26 * optabs.c (init_optabs): Initialize memmove_libfunc.
27 * expr.c (expand_assignment): Use memmove_libfunc instead of
30 2001-04-13 Alan Modra <alan@linuxcare.com.au>
32 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
35 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
37 * Makefile.in (reg-stack.o): Depend on reload.h.
38 (insn-attrtab.o): Depend on flags.h.
40 * genattrtab (main): Include flags.h in insn-attrtab.c.
42 * reg-stack.c: Include reload.h.
44 * sparc.h (flag_pic): Delete redundant declaration.
46 * output.h (flag_pic): Likewise.
48 * tree.h (pedantic): Likewise.
50 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
52 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
54 * jump.c, regmove.c, toplev.c: Include reload.h.
56 * reload.h (reload_cse_regs): Declare.
58 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
59 reload_cse_regs, init_reload, mark_home_live, reload,
60 init_caller_save): Delete redundant prototypes.
62 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
64 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
66 * regclass.c, ssa.c: Include expr.h.
68 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
69 gen_move_insn): Delete redundant declarations.
71 2001-04-13 Alan Modra <amodra@one.net.au>
73 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
74 PIC_OFFSET_TABLE_SAVE_RTX.
75 (zdepi_cint_p): Describe zdepi insn.
76 Formatting and white space fixes throughout file.
78 * pa.c (uint32_operand): Don't use long constant >= 2^32.
79 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
80 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
81 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
82 (output_64bit_and): Use plain `int's for shift counts.
83 (output_64bit_ior): Likewise.
84 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
85 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
88 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
89 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
90 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
91 NEW_HP_ASSEMBLER into one. Kill warnings.
93 * pa-gas.h: Delete file.
94 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
95 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
96 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
97 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
99 * config/pa/mill32.S: New file.
100 * config/pa/mill64.S: New file.
101 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
102 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
103 * config/pa/t-linux64: New file.
104 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
105 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
106 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
108 * elfos.h (SELECT_SECTION): Undef before defining.
109 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
110 (LIB_SPEC): Remove -lmilli.
111 (DBX_REGISTER_NUMBER): Remove.
112 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
113 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
114 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
115 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
116 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
117 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
118 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
120 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
121 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
122 regs if we don't have a prototype.
123 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
124 * pa.h (TARGET_ELF32): Default to 0 if undefined.
125 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
126 EH_RETURN_HANDLER_RTX): Define.
127 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
128 (DWARF_FRAME_REGNUM): Define.
129 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
130 * pa32-linux.h: New file.
131 * pa64-linux.h: New file.
133 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
134 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
135 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
136 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
137 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
138 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
139 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
140 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
141 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
142 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
143 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
144 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
145 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
146 * pa64-hpux.h: New file.
147 (ASM_FILE_START): Correct typo.
148 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
149 * config.gcc: Modify for above.
151 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
153 * jump.c (jump_optimize_1): Don't delete dead stores here.
154 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
155 prior to running jump optimize before cse2.
157 2001-04-12 Stan Shebs <shebs@apple.com>
159 * objc/objc-act.c: Remove all code ifdefed with the never-used
160 macro OBJC_INT_SELECTORS.
161 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
162 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
164 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
166 * config/pa/quadlib.c: Add prototypes.
168 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
170 * bitmap.h (debug_bitmap): Delete redundant prototype.
172 * rtl.h (get_frame_size): Likewise.
174 2001-04-12 Jim Wilson <wilson@redhat.com>
176 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
177 to just emit an fnorm.
179 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
181 * c-common.h (truthvalue_conversion, type_for_mode,
182 type_for_size): Delete redundant declarations.
184 * c-lex.h (is_class_name): Likewise.
186 * c-tree.h (pedantic, convert, getdecls, gettags,
187 global_bindings_p, init_decl_processing, insert_block,
188 maybe_build_cleanup, poplevel, print_lang_decl,
189 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
190 set_block, incomplete_type_error, build_function_call,
191 lvalue_or_else, mark_addressable): Likewise.
193 * expr.h (expand_tree_builtin): Likewise.
195 2001-04-12 Mark Mitchell <mark@codesourcery.com>
197 * invoke.texi: Document --param max-gcse-memory.
199 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
201 * configure.in (errno): Check for declaration.
202 * configure, config.in: Regenerated.
204 * system.h (errno): Only declare if not already done.
206 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
208 * recog.c (general_operand, immediate_operand,
209 nonmemory_operand): Require CONST_INTs to be sign-extended
210 values for their modes.
212 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
214 * expmed.c (store_bit_field): Truncate CONST_INTs.
215 (expand_mult_highpart, expand_divmod): Likewise.
216 * expr.c (convert_modes, store_field): Likewise.
217 * integrate.c (expand_inline_function): Use promote_mode() to
218 determine whether to convert_modes() an argument as signed
220 * optabs.c (expand_binop): Get CONST_INT operands
221 sign-extended for their appropriate modes.
222 * stmt.c (emit_case_nodes): Convert node values to the
224 (expand_end_case): Convert minval and range to the appropriate
226 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
227 the iteration variable.
228 * varasm.c (immed_double_const): Don't require words to be
229 narrower than host wide ints to properly sign-extend
232 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
234 * sh.md (builtin_setjmp_receiver): New expander.
236 2001-04-12 David Edelsohn <dje@watson.ibm.com>
238 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
239 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
240 for generating CONST_INT and CONST_DOUBLE.
242 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
244 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
245 already sign-extended.
246 (rs6000_emit_prologue): Make register iterator signed.
247 (rs6000_emit_epilogue): Likewise.
248 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
250 (movsf split, movdf split): Sign-extend CONST_INTs.
251 (movdi splits): Likewise.
253 2001-04-12 Kelley Cook <kelley.cook@home.com>
255 * config-lang.in (lang_dirs): Add in zlib.
257 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
259 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
260 operands that make it to RTL.
262 2001-04-11 Stan Shebs <shebs@apple.com>
264 Add Darwin (Mac OS X kernel) native support.
265 * config.gcc (powerpc-*-darwin*): Add native bits.
266 * config/darwin.c: New file, generic Darwin support functions.
267 * config/darwin.h: New file, generic Darwin definitions.
268 * config/darwin-protos.h: New file, generic Darwin prototypes.
269 * rs6000/darwin.h: New file, Darwin for PowerPC.
270 * rs6000/t-darwin: New file, Darwin makefile fragment.
271 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
272 (TARGET_MACHO): Ditto.
273 (rs6000_abi): Add ABI_DARWIN.
274 (RS6000_REG_SAVE): Add ABI_DARWIN case.
275 (RS6000_SAVE_AREA): Ditto.
276 (FP_ARG_MAX_REG): Ditto.
277 (RETURN_ADDRESS_OFFSET): Ditto.
278 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
280 (rs6000_emit_move): Add ABI_DARWIN cases.
281 (print_operand): Ditto.
282 (first_reg_to_save): Ditto.
283 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
284 (debug_stack_info): Ditto.
285 (rs6000_emit_prologue): Ditto.
286 (rs6000_emit_epilogue): Ditto.
287 (output_profiler_hook): Ditto.
288 (output_function_profiler): Ditto.
289 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
290 (output_mi_thunk): Add TARGET_MACHO case.
291 (add_compiler_stub): Ditto.
292 (output_compiler_stub): Ditto.
293 (no_previous_def): Ditto.
294 (output_call): Ditto.
295 (machopic_output_stub): Ditto.
296 (rs6000_machopic_legitimize_pic_address): Ditto.
297 (toc_section): Ditto.
298 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
302 (load_macho_picbase): Ditto.
303 (call): Add TARGET_MACHO case to modify function.
305 (call_nonlocal_sysv): Add ABI_DARWIN case.
306 (call_value_nonlocal_sysv): Ditto.
307 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
309 (machopic_output_stub): Ditto.
310 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
312 2001-04-11 Mark Mitchell <mark@codesourcery.com>
314 * dwarf2out.c (modified_type_die): Don't create new types here.
315 * tree.h (get_qualified_type): New function.
316 (build_qualified_type): Adjust comment.
317 * tree.c (get_qualified_type): New function.
318 (build_qualified_type): Use it.
320 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
322 * cpp.texi (-Wtraditional): Update description.
324 * invoke.texi (-Wtraditional): Likewise.
326 2001-04-11 Jim Wilson <wilson@redhat.com>
328 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
329 requires more than 64 bits of alignment.
331 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
333 * cpplib.c (do_line): Sanity check iff enable checking.
335 2001-04-11 Richard Henderson <rth@redhat.com>
337 * Makefile.in (insn-recog.o): Depend on toplev.h.
338 (insn-emit.o, doloop.o): Likewise.
339 * genrecog.c, genemit.c: Include toplev.h in generated file.
340 * doloop.c: Include toplev.h.
342 2001-04-11 Mark Mitchell <mark@codesourcery.com>
344 * Makefile.in (gcse.o): Depend on params.h.
345 * gcse.c: Include params.h.
346 (gcse_main): Don't do GCSE if doing so will take inordinate
348 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
349 * params.h (MAX_GCSE_MEMORY): New macro.
351 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
353 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
355 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
357 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
359 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
361 * real.h (ereal_atof, real_value_truncate, target_isnan,
362 target_isinf, target_negative, assemble_real, debug_real): Delete
363 redundant prototypes.
365 * Makefile.in (ifcvt.o): Depend on toplev.h.
367 * c-semantics.c: Include expr.h.
369 * ifcvt.c: Include toplev.h.
371 * expr.h (rtx_equal_p): Delete prototype.
373 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
374 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
375 eliminate_constant_term, expand_complex_abs, find_single_use,
376 make_tree, init_expr_once, init_optabs, supports_one_only):
379 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
380 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
381 expand_assignment, store_expr, emit_line_note_after,
382 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
384 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
386 * sparc-protos.h: Delete redundant prototypes.
388 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
390 * reload.c (push_reload): Add condition missed in SUBREG byte
393 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
395 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
397 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
399 * i386.md (floatsisf_sse): Fix output template
400 * i386.c (ix86_expand_fp_movcc)
402 * reg-stack.c (emit_pop_insn): Handle complex modes.
403 (move_for_stack_reg): Emit proper move mode.
404 (subst_stack_regs_pat): Handle complex modes.
406 2001-04-11 Jakub Jelinek <jakub@redhat.com>
408 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
410 2001-04-10 Richard Henderson <rth@redhat.com>
412 * libgcc2.h (__terminate_func_ptr): Remove typedef.
413 (__pure_virtual, __terminate, __terminate_set_func,
414 __default_terminate, __throw_type_match, __empty,
415 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
416 __eh_rtime_match, __unwinding_cleanup, __rethrow,
417 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
418 Remove prototypes of deleted functions.
420 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
422 * c-typeck.c (convert_arguments): -Wtraditional now activates
423 -Wconversion warnings, except for changes in signed-ness.
424 Detect complex<->int & int<->complex conversions as well.
426 * invoke.texi (-Wtraditional): Document it.
428 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
430 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
431 * flow.c (set_block_for_new_insns): Remove needless cast and
432 properly check for unset block number.
434 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
436 * function.c (purge_single_hard_subreg_set): Only check REGNO if
437 the subreg was a hard register. Pseudos are left as subregs.
439 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
441 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
442 (LIB2ADD_ST): New macro, pass it to mklibgcc.
443 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
444 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
445 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
447 2001-04-09 Bo Thorsen <bo@suse.co.uk>
449 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
451 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
453 * output.h (set_block_num): Missed it earlier, remove deprecated
456 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
458 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
459 (load_killed_in_block_p): Change bb parameter from int to basic_block.
460 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
461 (handle_rd_kill_set): Change bb parameter from int to basic_block.
462 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
463 (expr_killed_p): Change bb parameter from int to basic_block, pass
464 basic_blocks instead of ints as parameters.
465 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
466 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
467 from int to basic_block, pass basic_blocks instead of ints as parms.
468 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
469 parameter from int to basic_block, pass basic_blocks instead of ints.
470 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
471 (insert_insn_end_bb): Change bb parameter from int to basic_block,
472 pass basic_blocks instead of ints.
473 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
474 basic_blocks instead of ints as parameters.
475 (pre_delete): Pass basic_blocks instead of ints as parameters.
476 (hoist_expr_reaches_here_p): Change bb parameter from int to
477 basic_block, pass basic_blocks instead of ints.
478 (hoist_code): Pass basic_blocks instead of ints as parameters.
479 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
480 Change bb parameter from int to basic_block.
481 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
482 (insert_insn_start_bb): Change bb parameter from int to basic_block,
483 pass basic_blocks instead of ints.
484 (insert_store): Pass basic_blocks instead of ints as parameters.
485 (replace_store_insn, delete_store): Change bb parameter from int to
486 basic_block, pass basic_blocks instead of ints.
487 (store_motion): Pass basic_blocks instead of ints as parameters.
489 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
491 * basic-block.h (set_new_block_for_insns): New Prototype.
492 (set_block_num): Delete prototype.
493 * flow.c (set_block_num): Remove obsolete function.
494 (set_block_for_new_insns): Set BB for single or multiple insns.
495 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
496 (process_insn_end_bb): Use set_block_for_new_insns or
497 set_block_for_insn instead of set_block_num.
498 (pre_insert_copy_insn): Use set_block_for_new_insns.
499 (update_ld_motion_stores): Use set_block_for_new_insns.
500 (insert_insn_start_bb): Use set_block_for_new_insns.
501 (replace_store_insn): Use set_block_for_new_insns.
503 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
504 Jeff Law <law@redhat.com>
506 * alias.c (get_addr): Externalize.
507 (canon_true_dependence): New function. Behaves like true_dependance
508 except it already assumes a MEM has been canonicalized.
509 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
510 * gcse.c (struct ls_expr): Add load/store expressions structure.
511 (modify_mem_list, canon_modify_mem_list): New variable.
512 (gcse_main): Initialize & finalize alias analysis. Use enhanced
513 load motion and store motion if requested.
514 (alloc_gcse_mem): Allocate space for modify_mem_list array.
515 (free_gcse_mem): Free the modify_mem_list array.
516 (oprs_unchanged_p): Use load_killed_in_block_p.
517 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
518 (mems_conflict_for_gcse_p): New function. Don't kill loads
519 with stores to themselves if its in the load/store expression list.
520 (load_killed_in_block_p): New function.
521 (canon_list_insert): New Function.
522 (record_last_mem_set_info): Keep a list of all instructions which
523 can modify memory for each basic block.
524 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
525 (oprs_not_set_p): Use load_killed_in_block_p.
526 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
527 (expr_killed_p): Use load_killed_in_block_p.
528 (compute_transp): Do not pessimize memory references.
529 (pre_edge_insert): Update stores for a load motion expression.
530 (one_pre_gcse_pass): Check loads/stores for extra load motion.
531 (ldst_entry): Find or create a ldst_expr structure.
532 (free_ldst_entry): Free memory for an individual item.
533 (free_ldst_mems): Free entire load/store expression list.
534 (print_ldst_list): Print debug info.
535 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
536 (enumerate_ldsts): Assign integer values to each entry in list.
537 (first_ls_expr): First expression in the list.
538 (next_ls_expr): Next expression in the list.
539 (simple_mem): Check if expression qualifies for ld/st expression list.
540 (invalidate_any_buried_refs): Remove from expression list if its
541 used in some other way we dont understand.
542 (compute_ld_motion_mems): Find all potential enhanced load motion
544 (trim_ld_motion_mems): Remove any expressions which are invalid.
545 (update_ld_motion_stores): Copy store values to registers for loads
546 which have been moved.
547 (regvec, st_antloc, num_store): New global statics.
548 (reg_set_info): Marks registers as set.
549 (store_ops_ok): Verfies registers expressions are valid in a block.
550 (find_moveable_store): Look for moveable stores in a pattern.
551 (compute_store_table): Find stores in a function worth moving, maybe.
552 (load_kills_store): Check dependance of a load and store.
553 (find_loads): Find any loads in a pattern.
554 (store_killed_in_insn): Check if a store is killed in an insn.
555 (store_killed_after): Check is store killed after an insn in a block.
556 (store_killed_before): Check is store killed before an insn in a block.
557 (build_store_vectors): Generate the antic and avail vectors.
558 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
559 (insert_store): Add a store to an edge.
560 (replace_store_insn): Replace a store with a SET insn.
561 (delete_store): Delete a store insn.
562 (free_store_memory): Free memory.
563 (store_motion): Perform store motion.
564 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
565 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
566 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
567 (f_options): Add gcse-lm and gcse-sm.
569 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
571 * i386.c (expand_fp_movcc): Fix condition reversal code.
573 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
574 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
575 (CLASS_MAX_NREGS): Use it.
577 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
578 handle properly complex values.
579 (CLASS_MAX_NREGS): Likewise; update comment.
581 2001-04-05 Bernd Schmidt <bernds@redhat.com>
583 * ia64.c (ia64_flag_schedule_insns2): New variable.
584 (ia64_override_options): Initialize it. Clear
585 flag_schedule_insns_after_reload.
586 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
588 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
590 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
591 Do not require source to match destination anymore;
592 Add abort to the nontrivial cases that should be handled by split.
593 (fix_trunc?fdi): Add SSE case for x86_64.
594 (floatdi?f): Likewise.
595 (floatdi?f_sse): New.
596 (fix_trunc?fdi_sse): New.
598 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
600 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
601 (DEBUG_ARANGES_END_LABEL): Ditto.
602 (dwarfout_init): Generate length and version fields at the start
603 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
604 after the length field.
605 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
606 the .debug_aranges info.
608 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
610 * i386.c (call, call_value): Make sure that resulting call_insn
611 does have proper second operand.
613 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
615 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
616 function. Remove include of sys/cygwin.h.
618 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
620 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
621 (CPP_SPEC): Always search */include/w32api for header files.
622 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
623 (LINK_SPEC): Add "cyg" to the library search prefixes.
625 2001-04-08 Philip Blundell <philb@gnu.org>
627 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
629 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
631 * cpperror.c (print_location): Don't special case <stdin>.
632 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
633 WARNING, but we don't check if we're in system headers.
634 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
635 * cpplib.c (do_warning): Warn in system headers.
637 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
639 * mbchar.c: Include config.h first.
641 2001-04-07 Zack Weinberg <zackw@stanford.edu>
643 * config.gcc: Set default for xmake_file at top, not bottom.
644 Change places that set xmake_file to "none" to set to the
645 empty string instead, or remove them entirely if there is no
646 default xmake_file for this cpu_type. Remove references to
649 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
650 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
651 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
652 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
653 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
654 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
655 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
656 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
657 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
658 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
661 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
662 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
663 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
664 config/mips/x-sysv, config/rs6000/x-aix31:
665 Just set CLIB to -lld or -lmld, as appropriate.
667 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
668 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
669 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
670 config/mips/x-iris, config/pa/x-pa:
671 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
672 OTHER_FIXINCLUDES_DIRS.
674 * config/i386/x-djgpp: Don't set LN or LN_S.
675 * config/m88k/x-dolph: Don't define __m88k__.
676 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
677 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
678 * config/i860/fx2800.h: No need to #undef SVR4.
680 38 x-host fragments remain, 2 x-cpu.
682 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
684 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
686 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
688 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
690 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
692 * configure.in: Add check for lstat.
693 * configure, config.in: Regenerate.
694 * cppinit.c (append_include_chain): Make empty path ".".
695 * cpplib.c (do_line): Don't simplify #line paths.
696 * cppfiles.c (remove_component_p): New function.
697 (find_or_create_entry): Acknowledge stat () errors during
699 (handle_missing_header): Don't simplify paths.
700 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
701 the empty path untouched. Don't leave a trailing '/'.
703 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
705 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
706 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
708 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
710 * cppfiles.c (open_file): Fail directories silently, but
711 with an errno of NOENT set.
712 (read_include_file): Move the common exit code to the sole
713 caller. Return an int indicating success or failure. Let
714 open_file handle directories.
715 (stack_include_file): If read_include_file fails,
716 push a "null" buffer.
718 2001-04-05 DJ Delorie <dj@redhat.com>
720 * function.h (virtuals_instantiated): Declare.
721 * function.c: (virtuals_instantiated): Make global.
722 * calls.c (emit_library_call_value_1): Use
723 virtual_outgoing_args_rtx only if it hasn't been instantiated.
724 Otherwise, use the stack pointer directly.
726 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
728 * i386.c (x86_initialize_trampoline): New global function.
729 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
730 (INITIALIZE_TRAMPOLINE): Move offline.
731 * i386-protos.h (x86_initialize_trampoline): Declare.
733 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
735 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
736 (lea_0): Rename to lea_1.
737 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
738 (lea_general_?): Allow SImodes on TARGET_64BIT
739 (lea_general_?_zext): New patterns.
740 (call_1, call_1_rex64): Fix.
742 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
744 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
746 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
748 * i386.c (function_arg): Return constm1_rtx for last argument.
749 (ix86_expand_prologue): Update gen_call calls.
750 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
751 * i386.md (call_pop): Likewise.
752 (call): Second operand is VOIDmode.
753 (call_0): Likewise; Support 64bits.
754 (call_exp): New expander.
755 (call_1): Get to the sync.
756 (call_1_exp): New pattern.
757 (call_value): Support 64bit.
758 (call_value_exp): New pattern.
759 (untyped_call): Update gen_call call.
760 (call_value_pop): Disable for 64bit.
761 (call_value_0_rex64): New pattern.
762 (call_value_1_rex64): Likewise.
764 2001-04-05 Bo Thorsen <bo@suse.de>
766 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
768 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
770 * i386.md (*andsi_1+3): If used after reload, make sure the operand
771 satisfies ANY_QI_REG_P.
773 2001-04-05 Bernd Schmidt <bernds@redhat.com>
775 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
778 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
781 2001-04-04 Zack Weinberg <zackw@stanford.edu>
783 * config.gcc: Remove default for xm_file. Clean up local
784 machine type handling. Remove settings of xm_file to
785 something that doesn't exist. In the big switch, set xm_file,
786 don't append to it (the value before the big switch is always
787 null). Don't force build_xm_file or host_xm_file to have a value.
788 * configure.in: Remove default for xm_file. Do not special
789 case $cpu/xm-$cpu.h not existing.
790 * configure: Regenerate.
792 2001-04-04 Diego Novillo <dnovillo@redhat.com>
794 * simplify-rtx.c (simplify_binary_operation): Check for overflow
795 when folding integer division and modulo operations.
797 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
799 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
800 instead of DWARF2_ADDR_SIZE for EH addresses.
801 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
804 2001-04-04 Richard Henderson <rth@redhat.com>
806 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
807 * config/ia64/t-glibc (LIB2ADDEH): Disable.
808 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
810 2001-04-04 Richard Henderson <rth@redhat.com>
812 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
813 * configure: Rebuilt.
815 2001-04-04 Jakub Jelinek <jakub@redhat.com>
817 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
818 push insns to delete to it instead of deleting them.
819 (delete_null_pointer_checks): Delete insns from delete_list after
820 all delete_null_pointer_checks_1 passes are done.
822 2001-04-04 Richard Henderson <rth@redhat.com>
824 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
825 * configure: Rebuilt.
827 2001-04-04 Zack Weinberg <zackw@stanford.edu>
829 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
830 * config/romp/xm-romp.h: Delete.
832 2001-04-04 Bernd Schmidt <bernds@redhat.com>
834 * sched-deps.c (sched_analyze_insn): Partially revert March 27
837 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
839 * emit-rtl.c (mark_label_nuses) Increment the label uses for
840 all labels present in rtx.
841 (try_split) Call new function for all split insns.
843 2001-04-04 Jakub Jelinek <jakub@redhat.com>
845 * recog.c (validate_replace_rtx_1): Instead of aborting just make
846 sure the change won't be validated.
848 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
850 * rtl.h (set_noop_p): Declare.
851 * flow.c (set_noop_p): Move from here ...
852 * rtlanal.c (set_noop_p): ... to here and enhance.
853 * cse.c (delete_trivially_dead_insns): Use it.
854 * gcse.c (hash_scan_set): Likewise.
855 * jump.c (delete_noop_moves): Likewise.
856 * recog.c (split_all_insns): Likewise.
858 2001-04-04 Alan Modra <alan@linuxcare.com.au>
860 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
861 stack pointer via a LO_SUM. Ditto for setting a temp register
862 used to save to the stack. Set cfa_temp when setting fp, and
863 allow matches to cfa_temp in addition to cfa_store when saving
864 regs. Handle POST_INC and LO_SUM register stores. Document the
865 changes and errors in rule 12 doco.
867 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
868 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
869 (load_reg): Move closer to epilogue code.
870 (DO_FRAME_NOTES): Define to control the following..
871 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
872 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
874 (hppa_expand_epilogue): Likewise.
876 2001-04-03 Richard Henderson <rth@redhat.com>
878 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
879 * configure: Rebuild.
881 2001-04-03 Richard Henderson <rth@redhat.com>
883 * rtl.h (LCT_THROW): New.
884 * calls.c (emit_library_call_value_1): Handle it.
885 * except.c (connect_post_landing_pads): Use it.
887 2001-04-03 Zack Weinberg <zackw@stanford.edu>
889 * gansidecl.h: Delete file.
890 * configure.in: Change all refs to gansidecl.h to use
891 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
893 * configure: Regenerate.
895 * Makefile.in (intl.o): Don't depend on gansidecl.h.
896 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
897 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
898 Don't include gansidecl.h.
899 * intl.c, main.c, version.c, fixinc/fixlib.h,
900 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
903 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
905 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
908 2001-04-03 Zack Weinberg <zackw@stanford.edu>
910 * config/i386/xm-beos.h, config/i386/xm-isc.h,
911 config/i386/xm-next.h, config/i386/xm-sco.h,
912 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
913 config/m88k/xm-m88k.h: Delete.
915 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
916 * config/romp/xm-romp.h: Don't define bcopy.
917 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
918 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
920 * config.gcc: Remove references to deleted files.
922 14 xm-host.h remain, 1 xm-cpu.h.
924 2001-04-03 Jakub Jelinek <jakub@redhat.com>
925 David S. Miller <davem@pierdol.cobaltmicro.com>
926 Andrew MacLeod <amacleod@redhat.com>
928 Use byte offsets in SUBREGs instead of words.
930 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
931 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
932 to pass new argument.
933 (add_stored_regs): Use subreg_regno_offset function.
934 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
936 (precompute_arguments): Use gen_lowpart_SUBREG.
937 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
938 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
939 (simplify_set): Rework to use SUBREG_BYTE.
940 (expand_field_assignment): Use SUBREG_BYTE.
941 (make_extraction): Use SUBREG_BYTE.
942 (if_then_else_cond): Use SUBREG_BYTE.
943 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
944 (gen_lowpart_for_combine): Compute full byte offset.
945 * cse.c (mention_regs): Use SUBREG_BYTE.
946 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
947 (canon_hash): Use SUBREG_BYTE.
948 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
949 (gen_lowpart_if_possible): Formatting.
950 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
952 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
953 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
954 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
955 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
956 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
957 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
958 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
959 certain invariants about SUBREGs the compiler creates.
960 (gen_lowpart_SUBREG): New function.
961 (subreg_hard_regno): New function to get the final register number.
962 (gen_lowpart_common): Use SUBREG_BYTE.
963 (gen_imagpart): Spacing nits.
964 (subreg_realpart_p): Use SUBREG_BYTE.
965 (gen_highpart): Use SUBREG_BYTE.
966 (subreg_lowpart_p): Always compute endian corrected goal offset,
967 even at the byte level, then compare against that.
968 (constant_subword): New function, pulled out all constant cases
969 from operand_subword and changed second argument name to offset.
970 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
971 and call constant_subword to do the work. Return const0_rtx if
972 looking for a word outside of OP.
973 (operand_subword_force): Change second arg name to offset.
974 * expmed.c (store_bit_field): Use SUBREG_BYTE.
975 (store_split_bit_field): Use SUBREG_BYTE.
976 (extract_bit_field): Use SUBREG_BYTE.
977 (extract_split_bit_field): Use SUBREG_BYTE.
978 (expand_shift): Use SUBREG_BYTE.
979 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
980 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
981 * flow.c (set_noop_p): Use SUBREG_BYTE.
982 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
983 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
984 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
986 (optimize_bit_field): Use SUBREG_BYTE.
987 (purge_addressof_1): Use SUBREG_BYTE.
988 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
989 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
990 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
991 * gengenrtl.c (special_rtx): Add SUBREG.
992 * global.c (mark_reg_store): Use SUBREG_BYTE.
993 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
994 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
995 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
996 final byte offset is congruent to subreg's mode size.
997 (subst_constants): Use SUBREG_BYTE.
998 (mark_stores): Use subreg_regno_offset function.
999 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1000 function and SUBREG_BYTE.
1001 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1002 (reg_is_born): Use subreg_hard_regno.
1003 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1004 endian correction code. Don't combine subregs unless resulting
1005 offset aligns with type. Fix subreg constant extraction for DImode.
1006 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1007 (general_operand): Remove dead mode_altering_drug code.
1008 (indirect_operand): Use SUBREG_BYTE.
1009 (constrain_operands): Use subreg_regno_offset function.
1010 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1011 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1012 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1013 * regs.h (REG_SIZE): Allow target to override.
1014 (REGMODE_NATURAL_SIZE): New macro which target can override.
1015 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1016 on the entire subreg rtx.
1017 (push_reload): Use SUBREG_BYTE in comments and code.
1018 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1019 for hard registers inside subregs.
1020 (operands_match_p): Use subreg_regno_offset.
1021 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1022 containing hard regs.
1023 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1024 corrections when fixing up MEM subregs.
1025 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1026 subreg_regno_offset where appropriate.
1027 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1028 byte endian corrections when fixing up MEM subregs.
1029 (subst_reloads): When combining two subregs, make sure final
1030 offset is congruent to subreg's mode size.
1031 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1032 (refers_to_regno_for_reload_p): Use subreg_regno.
1033 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1034 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1035 correction code for memory subreg fixups.
1036 (forget_old_reload_1): Use subreg_regno_offset.
1037 (choose_reload_regs): Use subreg_regno.
1038 (emit_input_reload_insns): Use SUBREG_BYTE.
1039 (reload_combine_note_store): Use subreg_regno_offset.
1040 (move2add_note_store): Use subreg_regno_offset.
1041 * resource.c (update_live_status, mark_referenced_resources): Use
1042 subreg_regno function.
1043 (mark_set_resources): Use subreg_regno function.
1044 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1045 (subreg_regno_offset, subreg_regno): Define prototypes.
1046 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1047 (gen_lowpart_SUBREG): Add prototype.
1048 * rtl.texi (subreg): Update to reflect new byte offset representation.
1049 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1050 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1051 (reg_overlap_mentioned_p): Use subreg_regno.
1052 (replace_regs); Make sure final offset of combined subreg is
1053 congruent to size of subreg's mode.
1054 (subreg_regno_offset): New function.
1055 (subreg_regno): New function.
1056 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1057 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1058 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1059 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1060 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1061 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1062 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1063 (print_operand): Use SUBREG_BYTE.
1064 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1065 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1066 (arm_reload_out_hi): Use SUBREG_BYTE.
1067 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1068 instead of SUBREG_WORD.
1069 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1070 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1071 SUBREG creation to use byte offset.
1072 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1073 inverted load insns): Fix explicit rtl subregs to use byte
1075 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1076 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1077 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1078 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1079 to use byte offsets.
1080 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1081 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1082 offsets, also make sure it is congruent to SUBREG's mode size.
1083 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1084 unnamed ldob insn): Generate SUBREGs with byte offset.
1085 (zero_extendqihi2): SUBREG's are byte offsets.
1086 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1087 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1088 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1089 zero-extendqisi2): Generate SUBREGs with byte offset.
1090 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1091 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1092 subregs in rtl to use byte offsets.
1093 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1094 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1095 (mips_move_2words): Use subreg_regno_offset.
1096 (mips_secondary_reload_class): Use subreg_regno_offset.
1097 * config/mips/mips.md (DImode plus, minus, move, and logical op
1098 splits): Fixup explicit subregs in rtl to use byte offsets.
1099 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1100 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1101 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1102 rtl to use byte offsets.
1103 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1104 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1105 subregs to use byte offsets.
1106 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1107 Fixup explicit subregs in rtl to use byte offsets.
1108 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1109 and remove byte endian correction code.
1110 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1111 (gen_ashift_hi): Use SUBREG_BYTE.
1112 (regs_used): Use subreg_regno_offset.
1113 (machine_dependent_reorg): Use subreg_regno_offset.
1114 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1115 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1116 (movdf_i4): Subregs are byte offsets now.
1117 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1118 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1119 (REGMODE_NATURAL_SIZE): Override.
1120 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1121 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1123 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1124 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1125 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1126 it is congruent to SUBREG's mode size.
1127 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1129 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1130 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1131 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1132 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1133 * config/v850/v850.c (print_operand, output_move_double): Use
1134 subreg_regno function.
1136 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1138 * configure.in (target_subdir): Use target_alias, not target.
1139 * configure: Rebuilt.
1141 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1143 * config/sh/crti.asm: Fix typos in comments.
1145 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1147 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1148 TARGET_FAST_INDIRECT_CALLS.
1149 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1151 (return_addr_rtx): Short circuit export stub matching when
1152 TARGET_NO_SPACE_REGS.
1153 (output_millicode_call): For out of range calls, make -fPIC
1154 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1155 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1156 * pa.md: Modify length attr calculation of all millicode insns to
1159 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1161 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1162 Require at least 2.11 in the version test. Specifically check
1163 for and reject GAS version 2.10.90.
1164 * configure: regenerate.
1166 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1168 * pa.c (override_options): Remove PIC profiling warning.
1169 (hp_profile_labelno): Delete.
1170 (hp_profile_label_rtx): Delete.
1171 (hp_profile_label_name): Delete.
1172 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1173 (output_function_prologue): Remove profiling code and all tests on
1174 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1175 merge_sp_adjust_with_store can work for PIC and profiling.
1176 (hppa_expand_epilogue): Remove profile_flag test.
1177 (hppa_can_use_return_insn_p): Likewise.
1178 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1179 cater for PROFILE_HOOK.
1180 (hppa_profile_hook): New function.
1181 * pa.h (FUNCTION_PROFILER): Now does nothing.
1182 (PROFILE_HOOK): Define.
1183 (hppa_profile_hook): Declare.
1184 (PROFILE_BEFORE_PROLOGUE): Delete.
1185 (ASM_OUTPUT_REG_PUSH): Delete.
1186 (ASM_OUTPUT_REG_POP): Delete.
1187 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1188 r24. Accept function name operand, and use this and a locally
1189 generated label to calculate pc-rel offset to func start.
1191 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1193 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1194 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1197 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1199 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1200 LO_SUM cases to where they belong.
1202 2001-04-02 Richard Henderson <rth@redhat.com>
1204 * except.h (lang_eh_type_covers): Mark extern.
1205 (lang_eh_runtime_type): Likewise.
1207 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1209 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1210 gengenrtl.c: Wrap generated header in multiple-include guard.
1211 Improve error checking.
1213 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1215 * configure.in: Don't check for putenv.
1216 * configure: Regenerate.
1217 * gcc.c (putenv): Don't define.
1218 * vax/xm-vms.h: Handle putenv.
1220 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1222 * ifcvt.c (noce_emit_move_insn): New.
1223 (noce_try_store_flag, noce_try_store_flag_constants,
1224 noce_try_store_flag_inc, noce_try_store_flag_mask,
1225 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1226 noce_try_abs): Use it.
1227 (noce_process_if_block): Likewise.
1228 For STRICT_LOW_PART, take mode from its SUBREG.
1230 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1232 * fold-const.c (fold): Before optimizing unsigned comparison with
1233 0x7fffffffU, make sure arg0 is integral type.
1235 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1237 * c-tree.texi: Document representation of wide strings.
1239 2001-04-01 Richard Henderson <rth@redhat.com>
1241 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1243 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1245 * i386.md: remove obsoleted comments.
1246 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1247 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1248 fix output template.
1250 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1252 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1254 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1256 * loop.c (load_mems): When generating a load from a pseudo, update
1259 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1261 * i386.c (ix86_split_long_move): Use change address to compensate
1262 stack pointer change in push instruction.
1264 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1266 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1267 instead of rtx_equal_p; fix the output template.
1269 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1271 * i386.c (ix86_expand_setcc): Support 64bit.
1272 (ix86_expand_int_movcc): Likewise.
1273 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1276 * i386.md (allocate_stack_worker): Turn to expander.
1277 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1279 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1281 2001-03-29 Richard Henderson <rth@redhat.com>
1283 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1285 2001-03-28 Matthew Hiller <hiller@redhat.com>
1287 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1290 * MAINTAINERS: Added self.
1292 2001-03-28 Richard Henderson <rth@redhat.com>
1294 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1295 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1297 2001-03-28 Jim Wilson <wilson@redhat.com>
1299 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1302 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1304 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1306 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1309 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1311 2001-03-28 DJ Delorie <dj@redhat.com>
1313 * Makefile.in (stage1_build): Revert CFLAGS patch.
1315 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1317 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1318 when multiplier or multiplicand is zero.
1320 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1322 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1324 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1326 (set_src_needs_barrier): Likewise.
1327 (rtx_needs_barrier): For SET case, use these two functions. Rework
1328 PARALLEL case to handle all inputs before all outputs.
1329 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1330 saw a label and no stop bit since then.
1331 (maybe_rotate, process_epilogue): Add prototypes.
1333 2001-03-28 Richard Henderson <rth@redhat.com>
1335 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1336 not TARGET_TOC for special toc restore handling.
1337 * config/rs6000/rs6000.md (eh_return): Likewise.
1339 2001-03-28 Richard Henderson <rth@redhat.com>
1341 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1342 current_function_calls_eh_return.
1343 (output_function_epilogue): Handle eh_return.
1344 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1345 (EH_RETURN_DATA_REGNO): New.
1346 (EH_RETURN_STACKADJ_RTX): New.
1347 (EH_RETURN_HANDLER_RTX): New.
1348 * config/sparc/sparc.md (call/short branch peepholes): Check
1349 can_throw_internal instead of in_same_eh_region.
1351 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1352 for eh_return data registers.
1353 (rs6000_emit_prologue): Save eh_return data registers.
1354 (rs6000_emit_epilogue): Force inline restores if eh_return.
1355 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1356 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1357 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1358 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1359 the target uses one.
1360 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1361 (return_eh_si, return_eh_di): Remove.
1362 (eh_return): New, from corpse of eh_epilogue.
1363 (eh_set_lr_si, eh_set_lr_di): New.
1365 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1366 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1367 True for pic register if current_function_calls_eh_return.
1368 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1369 Handle eh_return requirements.
1370 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1371 (EH_RETURN_STACKADJ_RTX): New.
1372 * config/i386/i386.md (exception_receiver): Remove.
1373 (eh_return, eh_return_1): New.
1374 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1376 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1377 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1378 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1379 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1380 (EH_RETURN_DATA_REGNO): New.
1381 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1382 * config/alpha/alpha.md (eh_epilogue): Remove.
1383 (exception_receiver): Use $26 for ldgp input.
1384 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1386 2001-03-28 Richard Henderson <rth@redhat.com>
1388 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1389 * except.h: Likewise.
1391 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1392 (LIB2ADDEHDEP): New.
1393 (LIB2FUNCS_EH): Remove.
1394 (LIB2ADD): Remove LIB2ADDEH.
1395 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1396 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1397 (crt{begin,end}[S].o): Likewise.
1398 (except.o): Update includes.
1399 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1400 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1402 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1403 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1404 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1405 * builtins.c (expand_builtin): Implement it.
1406 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1407 * c-common.c (c_common_nodes_and_builtins): Declare it.
1408 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1409 * calls.c (libfunc_nothrow): Remove.
1410 (emit_library_call_value_1): Don't call it.
1411 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1412 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1413 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1414 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1415 (current_funcdef_number): Globalize.
1416 (output_call_frame_info): Emit frame data if an lsda is needed.
1417 Generate augmentation for personality routine. Don't play with
1419 (dwarf2out_begin_prologue): Record funcdef_number.
1420 * dwarf2out.h (current_funcdef_number): Declare.
1421 * expr.c (expand_expr): Update for except.h name changes.
1422 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1423 * expr.h (LTI_throw, LTI_rethrow): Remove.
1424 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1425 (LTI_eh_rtime_match): Remove.
1426 (LTI_unwind_resume, LTI_eh_personality): Add.
1427 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1428 * final.c (final): Don't call check_exception_handler_labels,
1429 init_insn_eh_region, or free_insn_eh_region.
1430 (final_scan_insn): Always emit debug labels for
1431 NOTE_INSN_EH_REGION notes.
1432 * flags.h (flag_new_exceptions): Remove.
1433 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1434 (record_active_eh_regions): Remove.
1435 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1436 Use can_throw_internal.
1437 (find_basic_blocks_1): Likewise.
1438 (move_stray_eh_region_notes): Remove.
1439 (find_label_refs): No eh_return_stub_label.
1440 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1441 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1443 (delete_unreachable_blocks): Don't track deleted handlers.
1444 (flow_delete_block): Use maybe_remove_eh_handler.
1445 (delete_eh_regions): Remove.
1446 (merge_blocks): Don't check for eh region match.
1447 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1448 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1449 (init_propagate_block_info): Disable dead frame store optimization
1450 when current_function_calls_eh_return.
1451 (dump_bb): Don't print eh_beg, eh_end.
1452 * function.c (fixup_var_refs): No catch_clauses.
1453 (expand_function_end): Likewise. Call expand_eh_return before
1454 the return register use. Call sjlj_emit_function_exit_after.
1455 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1456 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1457 * ifcvt.c (dead_or_predicable): Remove eh region check.
1458 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1459 Don't check for EH vs parameters.
1460 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1461 (expand_inline_function): Call duplicate_eh_regions.
1462 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1463 (copy_insn_notes): Remap REG_EH_REGION notes.
1464 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1465 * integrate.h (struct inline_remap): Add local_return_label.
1466 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1467 check_exception_handler_labels, nor exception_optimize.
1468 (find_cross_jump): No EH region check.
1469 * optabs.c (init_optabs): Update for changed eh libfuncs.
1470 * rtl.def (RESX): New.
1471 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1472 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1473 checks. Update for except.h name changes.
1474 (expand_cleanups): Likewise.
1475 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1476 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1477 (compile_file): Call init_eh before init_optabs. Don't
1478 output_exception_table here.
1479 (rest_of_compilation): Call convert_from_eh_region_ranges,
1480 convert_to_eh_region_ranges, output_function_exception_table.
1481 Don't emit_eh_context.
1482 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1483 (EXC_PTR_EXPR): New.
1485 * md.texi (eh_epilogue): Remove.
1486 (eh_return): Document.
1487 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1488 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1490 * eh-common.h: Remove file.
1491 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1492 * libgcc2.c (L_eh): Remove.
1494 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1495 * unwind-dw2-fde.h: New file.
1496 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1497 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1498 * libgcc-std.ver: Update for eh symbols.
1500 2001-03-27 Richard Henderson <rth@redhat.com>
1502 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1503 reduce false positives.
1504 (regmove_optimize): Disable if flag_non_call_exceptions.
1506 * stmt.c (expand_return): Remove always true predicate.
1507 (expand_decl_cleanup_no_eh): Remove dead code.
1509 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1510 barrier code. Add a scheduling barrier if a non-call insn
1511 can throw internally.
1513 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1514 Auto-inc addresses trap only if their base register does.
1516 * except.c (can_throw_internal): Rename from can_throw.
1517 * except.h, resource.c: Update references.
1519 * integrate.c (copy_insn_list): Use returnjump_p.
1520 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1522 * function.h (struct function): Move all boolean valued fields
1523 to single bit fields at the end of the struct.
1525 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1527 Rename asynchronous_exceptions to flag_non_call_exceptions.
1529 * gthr-single.h (UNUSED): New. Distinguish between how C
1530 and C++ mark unused function arguments. Use throughout.
1532 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1533 value to target configuration header.
1534 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1535 * config.in, configure: Rebuild.
1536 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1537 configuration and target defines.
1538 (exceptions_via_longjmp): Remove.
1539 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1540 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1542 * except.h (flag_non_call_exceptions): Move ...
1543 * flags.h: ... here.
1545 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1546 exceptions, put the note on the trapping instruction.
1548 * flags.h (flag_new_exceptions): Remove.
1549 * toplev.c: Don't set it.
1550 * final.c: Don't check it.
1551 * except.c: Provide stub definition.
1553 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1554 (calculate_global_regs_live): Kill call-clobbered registers
1555 across exception edges.
1556 * reg-stack.c (convert_regs_1): Kill the entire target stack
1557 across non-call exception edges.
1559 * flow.c (cleanup_cfg): Take no argument.
1560 * output.h, sibcall.c, toplev.c: Update all calls.
1562 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1564 * configure.in: Don't check for bcopy.
1565 * configure, config.in: Regenerate.
1567 * system.h: Don't define or prototype bcopy, instead poison it.
1569 2001-03-27 Richard Henderson <rth@redhat.com>
1571 * function.c (expand_function_start): Set DECL_REGISTER on
1572 a pseudo used for DECL_RESULT.
1574 * rtl.h (LCT_NORETURN): New.
1575 * calls.c (emit_library_call_value_1): Handle it.
1577 2001-03-27 Stan Shebs <shebs@apple.com>
1579 * objc/objc-act.c (objc_init): Use dump_base_name.
1580 (gen_declaration): Clear the buffer arg.
1581 (gen_declaration_1): New function, body of gen_declaration.
1582 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1583 (gen_method_decl): Ditto, plus always clear buffer arg.
1584 (error_with_ivar): Simplify.
1585 (warn_with_method): Ditto.
1586 (build_message_expr): Don't clear buffers.
1587 (dump_interface): Ditto.
1588 (objc_debug): Ditto.
1589 (build_keyword_selector): Clear the buffer by only zeroing
1591 (objc_implementation_context): Declare.
1592 (start_class): Warn about missing @end.
1593 (finish_objc): Ditto.
1595 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1597 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1599 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1601 * Makefile.in (SYSTEM_H): Define.
1602 Depend on $(SYSTEM_H), not system.h.
1604 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1606 2001-03-27 Jim Wilson <wilson@redhat.com>
1608 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1610 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1611 (process_epilogue): New static function.
1612 (process_set): Call process_epilogue instead of emitting .restore
1614 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1616 * flow.c (struct reg_cond_life_info): New fields orig_condition
1618 (init_propagate_block_info): Set new fields.
1619 (mark_regno_cond_dead): Set and use new fields.
1620 (flush_reg_cond_reg_1): Likewise.
1621 (and_reg_cond, case AND): Check for redundant AND conditions.
1622 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1625 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1627 * cppmacro.c (stringify_arg): Null terminate strings.
1629 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1631 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1632 inclusion style. xm-m68hc11.h no longer exists.
1633 * config/m68hc11/xm-m68hc11.h: Delete file.
1634 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1636 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1637 Don't define GCC_VERSION, N_, or PARAMS; don't include
1638 gansidecl.h or stdio.h. Define inhibit_libc here.
1639 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1640 Delete code conditioned on #if GCC_VERSION == 2095.
1642 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1643 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1644 Delete code conditioned on #if GCC_VERSION == 2095.
1646 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1648 * system.h: Include symcat.h.
1649 (STRINGIFY): Don't define.
1651 * configure.in: Adjust comment.
1653 * builtins.c: Use STRINGX, not STRINGIFY.
1654 * gencheck.c: Likewise.
1655 * gengenrtl.c: Likewise.
1656 * protoize.c: Likewise.
1658 * cpplex.c: Don't include symcat.h.
1659 * cpplib.c: Likewise.
1661 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1663 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1665 * c-typeck.c (digest_init): Fold init expression.
1667 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1669 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1671 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1673 * except.c (eh_regs): Save results of build_pointer_type to a temp
1674 as FUNCTION_VALUE macro may evaluate its args multiple times.
1676 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1678 * c-common.h (DECL_NUM_STMTS): New macro.
1679 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1681 (pushdecl): Likewise.
1682 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1683 * integrate.c (expand_inline_function): Don't check
1685 * print-tree.c (print_node): Don't print it.
1686 * toplev.c (rest_of_compilation): Don't try to inline when
1687 flag_no_inline is on.
1688 * tree.h (DECL_FRAME_SIZE): Remove.
1689 (tree_decl): Adjust accordingly.
1691 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1693 * combine.c (try_combine): Use memcpy, not bcopy.
1695 * genattrtab.c (expand_units): Likewise.
1697 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1699 * i386.md (push mem DI peep2): New.
1700 (mov 0, mov -1 peep2): Handle 64bit.
1701 (lea to arithmetics peep2): Handle 64bit leas.
1702 (rsp arithmetics to push/pop peep2s): New.
1704 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1706 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1708 * i386.c (struct machine_function): Add save_varrargs_registers.
1709 (ix86_save_varrargs_registers): New macro.
1710 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1711 (ix86_expand_prologue): Likewise.
1712 (ix86_emit_epilogue_esp_adjustement): Likewise.
1713 (ix86_expand_epilogue): Likewise.
1714 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1715 (pro_epilogue_adjust_stack_1): New insn.
1716 (pro_epilogue_adjust_stack_rex64): Likewise.
1717 * i386.h (MASK_NO_RED_ZONE): New constant.
1718 (TARGET_RED_ZONE): New macro.
1719 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1720 (RED_ZONE_SIZE): New constant.
1721 (RED_ZONE_RESERVE): New constant.
1723 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1725 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1727 2001-03-25 Kazu Hirata <kazu@hxi.com>
1729 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1732 (umodhi3): Likewise.
1735 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1737 * mkconfig.sh (DEFINES): Handle entries with '='.
1739 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1740 Set xm_defines to MACRO=value instead.
1742 * i370/xm-mvs.h: Delete.
1744 * ns32k/xm-pc532-min.h: Likewise.
1746 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1748 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1750 use ix86_expand_binary_operator
1751 (?sh??i_?): Disable for 64bit.
1752 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1753 * i386.c (shiftdi_operand): New predicate.
1755 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1756 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1757 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1758 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1759 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1760 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1761 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1762 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1763 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1764 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1765 (rotldi3, rotrdi3): New expanders.
1767 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1769 * i386.md (movstrsi): Move offline.
1771 (strmovdi_rex64): New.
1772 (strmov?i): Accept 64bit.
1773 (strmov?i_rex64): New.
1774 (strmov?i_rex_1): New.
1775 (strmov?i_1): Disable for 64bit.
1776 (rep_mov?i_rex64): New.
1777 (rep_mov?i): Disable for 64bit.
1778 (clrstrsi): Move offline.
1779 (strset?i_rex64): New.
1780 (strset?i: Accept 64bit.
1781 (rep_stos?i): Disable for 64bit.
1782 (rep_stos?i_rex64): New.
1783 (strset?i_rex_1): New.
1784 (strset?i_1): Disable for 64bit.
1785 (cmpstrsi): Accept 64bit.
1786 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1787 (cmpstrqi_nz_rex_1): New.
1788 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1789 (strlensi): Move offline.
1791 (strlenqi_1): Disable for 64bit; fix constraints.
1792 (strlenqi_rex_1): New.
1793 * i386.c (ix86_adjust_counter): New static function.
1794 (ix86_zero_extend_to_Pmode): Likewise.
1795 (ix86_expand_aligntest): Likweise.
1796 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1797 (ix86_expand_movstr): New global function.
1798 (ix86_expand_clrstr): New global function.
1799 (ix86_expand_strlen): New global function.
1800 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1801 ix86_expand_strlen): Declare.
1802 (ix86_expand_strlensi_unroll_1): Delete.
1804 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1806 * i386.md (cmpdi): Fix operand predicates.
1807 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1808 cmpdi_1_insn_rex64): New patterns.
1809 (adddi3): Turn to expander.
1810 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1811 (addsi3_carry_zext): New pattern.
1812 (adddi_?_rex64): New patterns and splitters.
1813 (addsi_?_zext): New patterns.
1814 (subsi3_carry_zext): New pattern.
1815 (subdi_?_rex64): New patterns and splitters.
1816 (iorsi_?_zext): New patterns.
1817 (iordi_?_rex64): New patterns and splitters.
1818 (iorsi_?_zext): New patterns.
1819 (iorsi_?_zext_imm): New patterns.
1820 (xorsi_?_zext): New patterns.
1821 (xordi_?_rex64): New patterns and splitters.
1822 (xorsi_?_zext): New patterns.
1823 (negdi*): New patterns.
1824 (one_cmpldi*): Likewise.
1825 (one_cmplsi*_zext, negsi*_zext): Likewise.
1826 (testqi_ext_3_rex64): New pattern.
1828 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1830 * i386-protos.h (ix86_split_long_move): Return void.
1831 * i386.c (ix86_split_to_parts): Handle 64bit target.
1832 (ix86_split_long_move): Likewise.
1833 * i386.md (all calls to ix86_split_long_move): Update.
1835 2001-03-23 Richard Henderson <rth@redhat.com>
1837 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1838 to avoid shadowing arguments.
1840 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1842 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1843 to variable names where DECL_NAME is different from
1844 DECL_ASSEMBLER_NAME.
1846 2001-03-23 Jim Wilson <wilson@redhat.com>
1848 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1849 (assemble_alias): Call make_decl_rtl.
1851 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1853 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1855 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1857 * extend.texi: Document the "java_interface" attribute.
1859 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1861 * mkconfig.sh: Use a subshell with redirected stdout,
1862 instead of closing stdout and confusing commands that run
1863 afterward. Throw away output of cmp.
1865 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1867 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1869 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1871 * i386.md (zero_extendsidi2_32): Break out from ...
1872 (zero_extendsidi2): ... here ; turn to expander.
1873 (zero_extendsidi2_rex64): New.
1874 (extendsidi2_32): Break out from ...
1875 (extendsidi2): ... here ; turn to expander.
1876 (extendsidi2_rex64): New.
1877 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1878 (trunc?f?f splitters): Add 64bit versions.
1880 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1882 * i386.md (pushsi, pushsi2_prologue): Disable.
1883 (pushsi2_rex64): New.
1884 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1885 (movqi_ext_1): Disable for 64bit.
1886 (movqi_ext_1_rex64): New.
1887 (pushdi2_rex64): New pattern, peep2s and splitter.
1888 (pushdi2_prologue_rex64): New pattern.
1889 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1891 (movdi splitters): Disable for 64bit.
1892 (movdi_1_rex64): New pattern, peep2s and splitters.
1893 (swapdi): New pattern.
1894 (pushsf): Disable for 64bit.
1895 (pushsf_rex64): New pattern and splitter.
1896 (pushdf_nointeger): Disable for 64bit.
1897 (pushdf_integer): Handle the 64bit case.
1898 (pushtf): Likewise; update splitters.
1900 2001-03-22 Richard Henderson <rth@redhat.com>
1902 * mkconfig.sh: Include insn-flags.h.
1903 * Makefile.in (CONFIG_H): Include insn-flags.h.
1904 (lots of objects): Remove insn-codes.h and insn-flags.h.
1906 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1907 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1908 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1909 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1910 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1911 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1912 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1913 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1914 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1915 v850/v850.c, vax/vax.c:
1916 Don't include insn-flags.h.
1918 * diagnostic.c, expr.h, reload.c, toplev.c:
1919 Don't include insn-codes.h.
1921 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1922 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1923 c4x/c4x.c, i960/i960.c, mips/mips.c:
1924 Don't include insn-codes.h or insn-flags.h.
1926 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1927 or insn-flags.h in the generated code.
1928 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1929 (main): Forward declare struct rtx_def.
1931 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1933 * invoke.texi (-ffast-math): Remove duplicate line about
1936 * gcc.texi: Remove more obsolete documentation of bugs and
1937 installation problems.
1939 2001-03-21 Kazu Hirata <kazu@hxi.com>
1941 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1944 2001-03-20 Jason Merrill <jason@redhat.com>
1946 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1948 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1949 * varasm.c (CHKR_PREFIX): Likewise.
1951 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1953 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1954 is part of a multi-SET insn.
1956 * cse.c (find_comparison_args): Remove previous change.
1957 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1960 * config/i386/i386.md (conditional_trap): Remove warning.
1962 * recog.c (push_operand): Fix error in last change that caused
1963 undefined symbol on many targets.
1965 * sdbout.c: #include ggc.h.
1966 (sdbout_init): Move to end of file.
1967 Call ggc_add_tree_root for anonymous_types.
1968 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1969 (sdbout_one_type): Use DECL_NAME for field name.
1970 * Makefile.in (sdbout.o): Show includes ggc.h.
1972 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1974 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1975 (override_options): Use properlimits for preferred_stack_boundary.
1976 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1978 (ext_register_operand): Accept DImode.
1979 (load_pic_register): Abort on 64bit.
1980 (gen_push): Use Pmode instead of SImode.
1981 (ix86_save_reg): Pic reg is never used on 64bit.
1982 (ix86_expand_prologue): Likewise.
1983 (ix86_emit_save_regs): Use Pmode instead of SImode.
1984 (legitimate_address_p): Check displacement for 64bit.
1985 (print_operand): Avoid outputting of (%rip) on 64bit.
1986 (print_operand_address): Output (%rip) where possible.
1987 (split_di): Abort on 64bit registers.
1988 (ix86_expand_branch): DImode comparison is simple for x86_64.
1989 (memory_address_length): Recognize memory addresses formed using
1991 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1993 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1995 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1997 * recog.c (push_operand): Recognize new format of push instructions.
1999 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2001 * i386.md (pushqi1): New.
2002 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2003 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2004 x86_64_immediate_operand, x86_64_immediate_operand,
2005 x86_64_zext_immediate_operand): Declare.
2006 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2007 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2008 x86_64_immediate_operand, x86_64_immediate_operand,
2009 x86_64_zext_immediate_operand): define.
2010 * i386.h (PREDICATE_CODES): Add new predicates.
2012 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2014 * i386.md (pophi1, popqi1, pushqi1): Remove.
2016 * expr.c (emit_single_push_insn): New function.
2017 (move_by_pieces): Accept NULL as destination for push instructions.
2018 (gen_push_operand): Kill.
2019 (emit_push_insn): Pass NULL when pushing; avoid updating of
2020 stack_pointer_delta.
2021 * expr.h (gen_push_operand): Kill.
2023 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2025 * rtl.texi (COMPARE): Clarify documentation and reference section
2028 2001-03-20 Stan Shebs <shebs@apple.com>
2030 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2031 (get_object_reference): Ditto.
2032 (error_with_ivar): Use error_with_file_and_line.
2033 (warn_with_method): Use warning_with_file_and_line.
2035 2001-03-20 Tom Tromey <tromey@redhat.com>
2037 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2039 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2041 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2042 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2044 2001-03-20 DJ Delorie <dj@redhat.com>
2046 * Makefile.in (install-libgcc): Pass complete list of variables.
2047 (install-multilib): Ditto.
2049 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2051 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2052 drectve_section, switch_to_section.
2054 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2055 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2056 i386_pe_mark_dllimport.
2058 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2060 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2061 functions i386_pe_*.
2063 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2064 i386_pe_* functions with char * arguments.
2066 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2068 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2070 (movsi_ie): Introduce fpul store.
2072 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2074 * Makefile.in (OBJS): Remove hashtab.o.
2076 2001-03-19 Stan Shebs <shebs@apple.com>
2078 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2079 * c-lang.c (maybe_objc_method_name): Ditto.
2080 * c-tree.h (maybe_objc_method_name): Remove decl.
2082 2001-03-19 Tom Tromey <tromey@redhat.com>
2084 * gcc.c (init_gcc_specs): Fix comment.
2086 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2088 Compute DECL_ASSEMBLER_NAME lazily.
2089 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2090 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2091 (SET_DECL_ASSEMBLER_NAME): Likewise.
2092 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2093 (set_decl_assembler_name): Declare.
2094 (lang_set_decl_assembler_name): Likewise.
2095 * tree.c (lang_set_decl_assembler_name): New variab.e
2096 (set_decl_assembler_name): New function.
2097 (init_obstacks): Set lang_set_decl_assembler_name.
2098 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2099 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2100 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2101 where it's not necessary.
2102 (builtin_function): Likewise.
2103 (finish_decl): Likewise.
2104 * dbxout.c (dbxout_type_methods): Likewise.
2105 * ggc-common.c (ggc_mark_trees): Likewise.
2106 * profile.c (output_func_start_profiler): Likewise.
2107 * varasm.c (make_decl_rtl): Likewise.
2109 * cse.c (find_comparison_args): Update documentation. Fix
2110 mishandling of COMPARE operations.
2112 * tree.def (ABS_EXPR): Add documentation.
2113 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2115 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2117 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2119 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2121 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2122 Remove ia32 linux PIC kludge and move it...
2123 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2125 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2127 * i386.md (absdf2 expander): Fix 64bit case.
2129 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2131 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2133 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2135 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2137 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2139 * README.X11: Remove obsolete file.
2141 2001-03-18 Anthony Green <green@redhat.com>
2143 * config/pj/pj.h: Remove some trailing commas.
2144 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2146 2001-03-18 Richard Henderson <rth@redhat.com>
2148 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2149 * calls.c: ... here.
2150 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2151 defaults for them here.
2153 2001-03-17 Anthony Green <green@redhat.com>
2155 * config/pj/lib1funcs.S: Fix broken comment.
2156 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2159 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2161 * gcc.texi: Remove obsolete information relating to build and
2162 installation problems with enquire or the Pyramid C compiler.
2164 2001-03-17 Richard Henderson <rth@redhat.com>
2166 * dwarf2out.c (queue_reg_save): New.
2167 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2168 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2170 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2171 (cfa, cfa_store, cfa_temp): Make static.
2172 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2174 2001-03-17 Richard Henderson <rth@redhat.com>
2176 * integrate.h (struct inline_remap): Add local_return_label.
2177 * integrate.c (expand_inline_function): Initialize it and emit
2178 it after copy_insn_notes.
2179 (copy_insn_list): Don't store local_return_label here.
2180 (copy_insn_notes): New function split out from copy_insn_list.
2182 2001-03-17 Richard Henderson <rth@redhat.com>
2184 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2185 is generating .debug_line.
2186 (dwarf2out_init): Add main_input_filename to the file table first.
2187 * configure.in (as_dwarf2_debug_line): Test with file number 1
2188 instead of file number 0.
2190 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2192 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2193 (gen_rtx_combine): Deleted; all references changed as appropriate.
2194 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2196 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2198 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2200 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2203 2001-03-16 Jim Wilson <wilson@redhat.com>
2205 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2206 then set it to LOC_REG (79) instead of aborting.
2208 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2210 * gccbug.in: Remove high priority.
2212 2001-03-16 Richard Henerson <rth@redhat.com>
2214 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2215 output with a space instead of deleting it.
2216 * configure: Regenerate.
2218 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2220 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2221 handles the gory details of converting an object file into
2222 something that's safe to grep.
2223 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2224 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2225 newlines at either end of the string we're looking for.
2226 Make 'checking ...' message less stilted.
2227 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2228 ARM in-memory layout and its hypothetical converse. Don't
2229 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2230 HOST_WORDS_BIG_ENDIAN.
2232 * configure.in: Adjust for renamed macro. Move
2233 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2234 * configure, config.in: Regenerate.
2236 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2238 * fixinc/Makefile.in: Set SHELL.
2240 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2242 * fixinc/fixincl.c (fix_with_system): Quote file names before
2243 passing them to shell.
2245 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2247 * Makefile.in: Use fix-header$(build_exeext) instead
2250 2001-03-16 Richard Henderson <rth@redhat.com>
2252 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2253 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2254 (size_of_line_prolog): Remove.
2255 (output_line_info): Compute prologue size via label difference.
2256 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2258 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2259 assembler error when redefining file numbers.
2260 * config.in, configure: Rebuild.
2262 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2263 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2264 (dw2_asm_output_delta_uleb128): Likewise.
2265 (dw2_asm_output_delta_sleb128): Similarly.
2266 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2268 2001-03-16 Michael Meissner <meissner@redhat.com>
2270 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2272 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2274 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2276 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2277 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2278 being unsigned in ISO C and signed in traditional.
2279 (expand_prologue): Ditto.
2280 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2282 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2284 (divsi3,divdi3): Ditto.
2285 (modsi3,moddi3): Ditto.
2286 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2287 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2288 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2291 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2293 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2294 SSE based conditional moves on LTGT/UNEQ conditions;
2295 Canonicalize EQ to NE.
2296 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2297 (sse_mov?fcc_ne): New.
2299 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2301 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2303 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2304 register may be dead.
2306 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2308 * Makefile.in (hash.o): Depend on CONFIG_H.
2310 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2312 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2314 2001-03-15 Richard Henderson <rth@redhat.com>
2316 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2317 (ASM_OUTPUT_DWARF_PCREL): New.
2318 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2320 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2322 * cppfiles.c (stack_include_file): Use MAX of sysp.
2324 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2326 * config.gcc (ia64*-*-hpux*): New case.
2327 * config/ia64/hpux.h: New file for HP-UX support.
2328 * config/ia64/t-hpux: New file for HP-UX support.
2330 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2332 * fixinc/inclhack.def (irix_stdio_va_list): New.
2333 * fixinc/fixincl.x: Rebuilt.
2335 2001-03-15 Richard Henderson <rth@redhat.com>
2337 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2338 if provided by the target.
2339 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2340 (dw2_asm_output_addr): New.
2341 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2342 * dwarf2out.c (output_cfi): Use it for program addresses.
2343 (output_call_frame_info, output_die): Likewise.
2344 (output_aranges, output_line_info): Likewise.
2346 2001-03-15 Bruce Korb <bkorb@gnu.org>
2348 * gcc.c(main): make more rigorous
2349 * collect2.c(main): guard against ignoring SIGCHLD
2350 * protoize.c(main): ditto
2351 * gcc/fixinc/fixincl.c(initialize): ditto
2353 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2355 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2356 (sdbout_parms): Likewise.
2358 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2360 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2361 "widen" a destination that is already wider than a word. Also do
2362 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2364 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2366 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2368 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2370 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2372 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2374 * i960.h (i960_maxbitalignment,
2375 i960_last_maxbitalignment): Declare.
2376 * i960.c (i960_maxbitalignment,
2377 i960_last_maxbitalignment): Make global.
2378 (process_pragma): Delete.
2379 (i960_pr_align, i960_pr_noalign): Move from here ...
2380 * i960-c.c: ... to this new file.
2381 * t-960bare (i960-c.o): New rule.
2382 * t-vxworks960 (i960-c.o): Likewise.
2383 * config.gcc (i960-*-*): Define c_target_objs and
2386 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2388 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2389 without adding in rtx code and mode.
2391 * alias.c (init_alias_analysis): Don't use any rtx whose value
2392 varies as a known value.
2393 Delete a superfluous test.
2395 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2397 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2398 scheduling a stop bit.
2399 (ia64_emit_nops): Correctly handle ASMs.
2401 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2403 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2405 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2407 * cpp.texi: Update documentation for -include and -imacros.
2408 * cppfiles.c (struct include_file): Remove "defined" memeber.
2409 (find_or_create_entry): Make a copy of the file name, and
2411 (open_file): Update to ensure we use the simplified filename.
2412 (stack_include_file): Don't set search_from.
2413 (cpp_included): Don't simplify the path name here.
2414 (find_include_file): New prototype. Call search_from to
2415 get the start of the "" include chain. Don't simplify the
2417 (_cpp_execute_include): New prototype. Move diagnostics to
2418 do_include_common. Update.
2419 (_cpp_pop_file_buffer): Don't set defined.
2420 (search_from): New prototype. Use the preprocessor's cwd
2421 for files included from the command line.
2422 (read_name_map): Don't simplify the pathname here.
2423 * cpphash.h (enum include_type): New.
2424 (struct buffer): Delete search from. New search_cached.
2425 (_cpp_execute_include): Update prototype.
2426 * cppinit.c (do_includes): Use _cpp_execute_include.
2427 * cpplib.c (do_include_common): New function.
2428 (do_include, do_include_next, do_import): Use it.
2430 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2432 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2433 contents of the RTL, to determine the name of the object.
2435 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2437 * tree.h (DECL_RTL): Allocate RTL lazily.
2438 (SET_DECL_RTL): New macro.
2439 (DECL_RTL_SET_P): Likewise.
2440 (COPY_DECL_RTL): Likewise.
2441 (DECL_RTL_IF_SET): Likewise.
2442 * varasm.c (make_decl_rtl): Add assertions about the kind of
2443 declaration we are processing.
2444 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2445 (start_decl): Likewise.
2446 (finish_decl): Likewise.
2447 * c-semantics.c (emit_local_var): Likewise.
2448 * calls.c (expand_call): Likewise.
2449 * dbxout.c (dbxout_symbol): Likewise.
2450 * emit-rtl.c (unshare_all_rtl): Likewise.
2451 (unshare_all_decls): Likewise.
2452 (reset_used_decls): Likewise.
2453 * expr.c (store_constructor): Likewise.
2454 (safe_from_p): Likewise.
2455 (expand_expr): Likewise.
2456 * function.c (put_var_into_stack): Likewise.
2457 (instantiate_decls_1): Likewise.
2458 (assign_parms): Likewise.
2459 (expand_function_start): Likewise.
2460 (expand_function_end): Likewise.
2461 * ggc-common.c (gcc_mark_trees): Likewise.
2462 * integrate.c (function_cannot_inline_p): Likewise.
2463 (copy_decl_for_inlining): Likewise.
2464 (expand_inline_function): Likewise.
2465 (integrate_parm_decls): Likewise.
2466 (integrate_decl_tree): Likewise.
2467 * print-tree.c (print_node): Likewise.
2468 * reg-stack.c (stack_result): Likewise.
2469 * stmt.c (label_rtx): Likewise.
2470 (expand_return): Likewise.
2471 (expand_decl): Likewise.
2472 (expand_decl_cleanup): Likewise.
2473 (expand_anon_union_decl): Likewise.
2474 * toplev.c (check_global_declarations): Likewise.
2475 (rest_of_decl_compilation): Likewise.
2476 * tree.c (simple_cst_equal): Likewise.
2477 * objc/objc-act.c (generate_static_references): Likewise.
2479 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2481 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2482 gcc_AC_C_FLOAT_FORMAT): New macros.
2483 * configure.in: Add AC_PROG_CPP after CC tests;
2484 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2485 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2486 * configure, config.in: Regenerate.
2488 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2489 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2490 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2491 config/i370/xm-linux.h, config/i370/xm-oe.h,
2492 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2493 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2494 config/pa/xm-linux.h, config/pa/xm-pa.h,
2495 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2496 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2497 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2498 config/we32k/xm-we32k.h: Delete.
2500 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2501 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2502 config/vax/xm-vms.h: Don't define any of:
2503 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2505 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2507 * config.gcc: Remove references to deleted files.
2508 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2509 FATAL_EXIT_CODE, which is the same between oe and mvs).
2511 2001-03-14 DJ Delorie <dj@redhat.com>
2512 Vladimir Makarov <vmakarov@redhat.com>
2514 * config/i960/i960.c (i960_function_prologue): Compute size of
2515 frame according to number of registers actually saved there.
2517 2001-03-14 Richard Henderson <rth@redhat.com>
2519 * expr.c (emit_move_insn_1): Fix else if around #endif.
2521 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2524 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2527 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2529 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2530 (override_options): Parse cmodel string.
2531 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2532 * i386.h (TARGET_OPTIONS): Add "cmodel".
2533 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2535 (ix86_cmodel_string, ix86_cmodel): Declare.
2537 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2540 * i386.h (GENERAL_REG_P): Add missing REG_P.
2542 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2544 * configure.in: Use $gcc_cv_as instead of $as.
2545 * configure: Regenerated.
2547 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2549 * cppfiles.c (stack_include_file): Only increase the include
2550 count if we actually process the file properly, as opposed
2551 to treating it as length zero. Only call read_include_file
2552 if not DO_NOT_REREAD. Handle the -H include file output
2554 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2555 (cpp_included, find_include_file): Simplify pathnames after
2556 remapping them. If remapping, don't use the remapped file
2557 name's buffer as our scratch buffer.
2558 (cpp_pop_file_buffer): Replace the multiple include macro
2559 only if it isn't yet set.
2560 (read_name_map): Simplify remapped names when reading in.
2561 (remap_filename): Move code to code path that uses it.
2562 (_cpp_simplify_pathname): Return the input pointer.
2563 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2565 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2567 * expr.c (expand_expr): Revove bogus conditional.
2569 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2571 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2573 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2575 * reg-stack.c (stack_result): Unconditionally use
2576 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2578 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2580 * expr.c (emit_move_insn_1): Split push of complex value when
2581 no suitable push instruction exist.
2583 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2584 instead of QI_REG_P.
2586 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2588 * alias.c (handled_component_p, can_address_p): New functions.
2589 (get_alias_set): Use them.
2591 2001-03-13 Jim Wilson <wilson@redhat.com>
2593 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2594 from 80 in try_locals code.
2595 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2597 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2599 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2600 gcc_AC_C_LONG_LONG): New.
2601 * configure.in: Use them. Probe the size of short, int, long,
2602 and long long/__int64 if we have them. Move all the AC_C_*
2603 checks together, except gcc_AC_C_CHAR_BIT which has to go
2604 after AC_CHECK_HEADERS(limits.h).
2605 Take hwint.h out of host_xm_file and build_xm_file.
2607 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2608 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2609 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2610 Move the HOST_WIDEST_INT setup logic here from system.h.
2611 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2613 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2614 is now handled by hwint.h.
2616 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2617 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2618 config/ia64/xm-ia64.h: Don't define any of:
2619 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2620 HOST_BITS_PER_LONGLONG.
2622 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2623 config/h8300/xm-h8300.h, config/mips/iris6.h,
2624 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2625 config/sparc/xm-sp64.h: Delete.
2626 * config.gcc: Remove references to deleted files.
2628 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2629 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2630 * config/i370/xm-linux.h: Clarify floating-point situation in
2633 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2635 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2636 (find_include_file): Decide here which part of the include
2637 chain to start the search. Complain about an empty include
2638 chain in all cases apart from an abolsute file name.
2639 (_cpp_execute_include): Don't choose the search chain here.
2640 Don't call handle_missing_include in the case of an empty
2642 (_cpp_compare_file_date): Don't choose the search chain here.
2643 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2644 here from _cpp_execute_include. Behave like #include if
2645 we're in the main file.
2647 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2649 * system.h (malloc, realloc, calloc, strdup): Only poison these
2650 tokens when IN_GCC is defined.
2652 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2654 * i386.md (abs?f expander): Support SSE case.
2655 (abd?f_if): Add new "USE"; add splitters.
2657 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2659 * cpp.texi (poison): Explain the macro expansion exception.
2661 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2663 * expr.c (store_expr): Add dont_store_target. If temp is already in
2664 target before copying to reg, don't store it into target again.
2666 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2668 * cppinternals.texi: Update for file handling.
2670 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2672 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2673 2001-02-24 which broke building the Java library.
2674 * function.c (identify_blocks): Likewise.
2675 (all_blocks): Likewise.
2676 * integrate.c (integrate_decl_tree): Likewise.
2677 * print-tree.c (print_node): Likewise.
2678 * tree.h (BLOCK_NUMBER): Likewise.
2679 (struct tree_block): Likewise.
2681 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2683 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2684 __WCHAR_TYPE__ definition.
2685 (WCHAR_TYPE_SIZE): #undef before #define.
2687 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2689 * cppfiles.c: Update comments.
2690 (destroy_include_file_node): Rename destroy_node.
2691 (find_or_create_entry): New function.
2692 (open_file, _cpp_fake_include): Use it.
2693 (handle_missing_header): New function, broken out of
2694 _cpp_execute include. Don't segfault if there is no
2695 system or quoted path.
2696 (_cpp_execute_include): Use handle_missing_header.
2698 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2700 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2701 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2703 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2705 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2706 unless anti_dependence says they are.
2707 * alias.c (objects_must_conflict): If neither has a type specified,
2710 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2711 David Billinghurst <David.Billinghurst@riotinto.com>
2713 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2715 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2717 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2718 (*_one_bit): Remove type on the match_operand in attributes.
2720 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2722 * i386.c: Commit forgotten hunk in previous patch.
2723 (regclass_map): Add extended registers.
2724 (dbx_register_map): Add missing frame register.
2726 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2728 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2730 * i386.md (x86_sahf_1): Disable for 64bit.
2731 (popsi*, pophi*): Likewise.
2732 (pushqi, pushhi): Likewise.
2733 (movdi, pushdi): Likewise.
2734 (zero extend DImode splitter): Likewise.
2735 (adddi, minusdi splitter): Likewise.
2736 (umulsidi): Likewise.
2738 (mulsidi): Disable for 64bit
2739 (lshift:DI/ashift:DI): Disable for 64bit.
2740 (loop patterns): Likewise.
2741 (call_pop, call_value_pop expanders and patterns): Likewise.
2742 (prologue_get_pc): Likewise.
2744 (fcmovDI pattern and splitter): Likewise.
2745 (movdfcc_1_rex64): New.
2747 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2749 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2750 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2751 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2752 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2753 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2754 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2755 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2756 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2757 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2758 (REGPARM_MAX): Set to 6 for x86_64.
2759 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2760 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2763 * (patterns that does use upper halves): Update constraints
2764 'q' to 'Q' and 'r' to 'R'.
2765 (cmpqi_ext_1): Disable for 64bit.
2766 (cmpqi_ext_3_insn): Likewise.
2767 (movqi_extzv_1): Likewsie.
2768 (addqi_ext_1): Liekwsie
2769 (testqi_ext_1): Liekwsie
2770 (andqi_ext_1): Liekwsie
2771 (xorqi_ext_1): Liekwsie
2772 (cmpqi_ext_1_rex64): New.
2773 (cmpqi_ext_3_insn_rex64): Likewise.
2774 (movqi_extzv_1_rex64): Likewsie.
2775 (addqi_ext_1_rex64): Liekwsie
2776 (testqi_ext_1_rex64): Liekwsie
2777 (andqi_ext_1_rex64): Liekwsie
2778 (xorqi_ext_1_rex64): Liekwsie
2780 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2782 * configure.in: Move check for unsigned enumerated bitfields
2783 to macro in aclocal.m4. Disable it for now.
2784 * configure, config.in: Regenerate.
2785 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2786 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2787 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2788 kind above its first use.
2790 * config/xm-interix.h, config/alpha/xm-alpha.h,
2791 config/i370/xm-linux.h, config/i386/xm-beos.h,
2792 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2793 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2794 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2795 Don't define ONLY_INT_FIELDS under any circumstances.
2797 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2799 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2800 config/sparc/xm-sysv4.h: Delete - now identical with some
2802 * config.gcc (hppa targets): Replace xm-pahpux.h and
2803 xm-papro.h with implicit xm-pa.h.
2804 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2807 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2809 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2810 before reload_cse_noop_set_p.
2812 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2814 * config.gcc: Where xm-host.h used to include another
2815 xm-host.h, list the nested header directly in xm_file. Remove
2816 references to deleted files. Can now use sparc/xm-sp64.h for
2819 * config/xm-linux.h, config/arm/xm-linux.h,
2820 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2821 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2822 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2823 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2824 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2827 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2828 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2829 bother to wrap #undef in #ifdef.
2830 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2831 Don't include xm-linux.h.
2832 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2834 * configure.in: Wrap regexps using [] in changequote block.
2835 Use expr : not echo | grep. Simplify regexps.
2836 * configure: Regenerate.
2838 56 xm-files remain, 22 xm-arch.
2840 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2842 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2843 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2844 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2845 (copy_object): Fix format specifier vs argument mismatch.
2847 * mips-tdump.c: Make local functions static.
2848 (rindex): Don't #undef.
2849 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2850 (fatal, fancy_abort): Delete.
2851 (read_seek): Avoid signed/unsigned compare.
2853 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2855 * combine.c (try_combine): Fix error in change to try original
2857 (gen_rtx_combine): Do same as gen_rtx for now.
2859 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2861 * configure.in: AC_SUBST xm_defines.
2862 * configure: Regenerate.
2863 * Makefile.in: Set DEFINES=$(xm_defines) when building
2866 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2868 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2869 (cpp_included, find_include_file): Update.
2870 (_cpp_compare_file_date): Make else unconditional.
2872 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2874 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2876 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2878 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2879 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2881 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2883 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2884 if it's a record type.
2886 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2888 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2889 mingw includes slightly.
2891 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2893 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2894 #undef token before poisoning it.
2896 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2898 * alpha.c (check_float_value): Use memcpy, not bcopy.
2900 * m32r.c (m32r_sched_reorder): Likewise.
2902 * vax.c (check_float_value): Likewise.
2904 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2906 * toplev.c (file_name_nondirectory): Remove.
2907 * toplev.h: Similarly.
2908 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2909 of file_name_nondirectory.
2911 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2913 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2914 * mips-tfile.c: Don't #undef rindex; not used.
2916 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2918 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2919 (dbx64_register_map): Declare.
2920 (RETURN_ADDR_RTX): Fix for 64bit.
2921 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2922 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2923 * i386.c (dbx64_register_map): New global array.
2924 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2925 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2928 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2930 * cppfiles.c (search_from): Use lbasename.
2931 * mkdeps.c (deps_add_default_target): Use lbasename.
2933 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2935 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2936 xcalloc in lieu of malloc, realloc & calloc.
2938 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2940 * gengenrtl.c (xmalloc): Likewise.
2942 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2943 really_call_* memory allocation routines.
2945 * stmt.c (check_for_full_enumeration_handling): Use
2946 really_call_calloc, not calloc.
2948 * system.h (really_call_malloc, really_call_calloc,
2949 really_call_realloc): Define.
2950 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2952 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2954 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2956 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2958 * configure: Rebuilt.
2959 * configure.in: Only use `lang_requires' for languages athat are
2962 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2964 * invoke.texi: Fix typo.
2965 * gcc.1: Regenerate.
2967 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2969 * configure.in: Prune nonexistent files from build_xm_file,
2970 xm_file, and host_xm_file lists. Warn unless they're
2972 Don't generate *config.h here.
2973 AC_SUBST all variables needed to generate *config.h.
2974 * configure: Regenerate.
2975 * mkconfig.sh: New helper script, from code removed from
2977 * Makefile.in: Zap all MALLOC variables - no longer used
2978 anywhere, and malloc.c doesn't exist.
2979 Substitute in variables needed to generate *config.h.
2980 Stop lying about the dependencies contained in CONFIG_H and
2982 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2983 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2984 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2985 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2986 $(TM_P_H), etc. as appropriate.
2988 * config.gcc: Zap references to deleted files.
2989 * ggc-none.c: Don't include rtl.h or tm_p.h.
2991 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2992 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2993 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2994 config/i386/xm-linux.h, config/i386/xm-linux.h,
2995 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2996 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2997 Don't include i386/xm-i386.h.
2999 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3000 config/i386/xm-i386.h, config/i860/xm-i860.h,
3001 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3002 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3003 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3004 Delete (empty except comments, #includes of other deleted
3005 files, and macros used nowhere).
3007 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3009 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3010 independent on TARGET_FLAGS.
3012 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3014 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3016 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3018 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3020 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3021 LAST_REX_SSE_REG): define.
3022 (enum reg_class): Add 'LEGACY_REGS'
3023 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3024 (SSE_REGNO_P): Recognize extended registers.
3025 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3026 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3027 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3028 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3029 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3030 REG_OK_FOR_STRREG_P): Remove.
3031 (HI_REGISTER_NAMES): Add extended registers.
3032 (ADDITIONAL_REGISTER_NAMES): Likewise.
3033 (QI_REGISTER_NAMES): Add 8bit extended registers.
3034 (DEBUG_REG): Support extended registers.
3035 * i386.c (regclass_map): Add extended registers.
3036 (dbx_register-map): Likewise.
3037 (svr4_dbx_register_map): Likewise.
3038 (print_reg): Support extended registers.
3039 (print_operand): Support 64bit operands.
3041 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3043 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3044 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3045 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3046 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3047 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3048 STACK_BOUNDARY): Set properly for 64bits.
3049 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3050 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3051 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3052 (MOVE_MAX): Set to 16.
3053 (MOVE_MAX_PIECES): 8 for 64bit.
3054 (Pmode): Set to SImode.
3056 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3058 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3060 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3062 * i386.h (mask_64bit): New constant.
3063 (target_64bit): New macro.
3064 (target_options): Add '64'/'32'
3065 (target_default): Define.
3066 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3067 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3068 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3070 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3072 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3074 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3076 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3077 LO_SUM unless for_alias is set.
3079 2001-03-08 Stan Shebs <shebs@apple.com>
3081 * objc/objc-act.c: Fix old typos in comments, add comments for
3083 (hash_init): Fix file name in error message.
3084 (hash_enter): Ditto.
3085 (hash_add_attr): Ditto.
3086 (continue_class): Ditto.
3088 2001-03-08 Bruce Korb <bkorb@gnu.org>
3090 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3091 wait4() can receive the signal.
3093 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3095 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3097 * fixinc/fixincl.x: Regenerate.
3099 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3101 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3103 * fixinc/fixincl.x: Regenerate.
3105 2001-03-08 Richard Henderson <rth@redhat.com>
3107 * configure.in (HAVE_AS_LEB128): New assembler check.
3108 * configure, config.in: Rebuilt.
3110 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3112 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3115 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3117 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3118 references to the MAXPATHLEN macro.
3120 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3121 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3124 * config/i386/xm-gnu.h, config/xm-gnu.h,
3125 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3126 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3127 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3128 and/or unused files.
3130 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3131 doing so in various xm-*.h files.
3133 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3135 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3137 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3139 * configure.in (enable_shared): Support per-package shared-library
3141 * configure: Rebuilt.
3143 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3145 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3146 for crnot. Set operands[5] in splitter.
3148 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3150 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3151 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3152 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3153 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3154 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3155 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3156 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3159 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3160 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3161 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3162 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3163 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3164 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3165 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3166 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3167 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3168 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3169 Delete unused and/or empty files.
3171 * config.gcc: Define USG in xm_defines as appropriate. Define
3172 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3173 macro. Remove deleted xm-* files from $xm_files variable.
3175 2001-03-07 Tom Tromey <tromey@redhat.com>
3177 * configure: Rebuilt.
3178 * configure.in: Allow config-lang.in to set `lang_requires' to list
3179 of other required languages.
3181 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3183 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3185 (output_prologue): Use xmalloc not oballoc.
3186 (output_epilog): Free a29k_first_epilogue_insn when finished.
3187 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3189 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3191 * builtins.c (expand_builtin_mathfn): Check
3192 flag_unsafe_math_optimizations, not flag_fast_math.
3193 (expand_builtin): Likewise
3194 * combine.c (combine_simplify_rtx): Likewise.
3195 (simplify_if_then_else): Likewise.
3196 * cse.c (fold_rtx): Likewise.
3197 * flags.h: Remove flag_fast_math. Add
3198 flag_unsafe_math_optimizations and flag_trapping_math.
3199 * fold-const.c (negate_expr): Check
3200 flag_unsafe_math_optimizations, not flag_fast_math.
3201 (invert_truthvalue): Likewise.
3202 (fold): Likewise. Before associating operands, check that
3203 code == MULT_EXPR, not code != MULT_EXPR.
3204 * ifcvt.c (noce_try_minmax): Check
3205 flag_unsafe_math_optimizations, not flag_fast_math.
3206 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3207 * invoke.texi: Document -funsafe-math-optimizations and
3208 -fno-trapping-math. Change documentation for -ffast-math.
3209 * jump.c (reversed_comparison_code_parts): Likewise.
3210 (rtx_equal_for_thread_p): Likewise.
3211 * optabs.c (emit_conditional_move): Likewise.
3212 * simplify-rtx.c (simplify_binary_operation): Likewise.
3213 (simplify_relational_operation): Likewise.
3214 (simplify_ternary_operation): Likewise.
3215 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3216 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3217 Add trapping-math and unsafe-math-optimizations entries to f_options.
3218 (set_fast_math_flags): New, sets flags for -ffast-math.
3219 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3220 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3221 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3223 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3224 (alpha_emit_conditional_move): Initialize local_fast_math to
3225 flag_unsafe_math_optimizations, not flat_fast_math.
3226 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3227 instead of setting flag_fast_math to 1.
3228 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3230 * config/i386/i386.c (override_options): Likewise
3231 * config/i386/i386.md: Likewise.
3232 * config/m68k/m68k.md: Likewise.
3233 * config/mips/mips.md: Likewise.
3234 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3235 (rs6000_generate_compare): Likewise.
3237 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3239 * Makefile.in: Set RANLIB to @RANLIB@.
3242 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3244 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3245 * fixinc/fixincl.x: Regenerated.
3247 2001-03-07 Richard Henderson <rth@redhat.com>
3249 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3251 2001-03-07 Richard Henderson <rth@redhat.com>
3253 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3254 of block notes and exception handling notes.
3256 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3257 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3258 (compile_file): ... here.
3260 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3262 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3264 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3265 config.h now. Include libiberty.h to handle alloca.
3267 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3269 * c-parse.in (yylexname): New function, split out of _yylex.
3270 (objc_rid_sans_at): New table.
3271 (init_reswords): Initialize it.
3272 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3273 retrieving the next token and checking it for significance as
3274 an ObjC keyword or string constant.
3276 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3277 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3279 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3282 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3284 * config/m68k/m68k.c (const_uint32_operand): Accept any
3285 const_int on a 32-bit host.
3287 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3289 * objc/objc-act.c (init_objc): Set save_lang_status,
3290 restore_lang_status, and mark_lang_status.
3292 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3294 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3296 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3298 * cppinternals.texi: Update.
3300 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3302 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3303 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3304 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3305 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3306 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3307 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3308 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3309 config/i386/xm-i386.h, config/i860/xm-i860.h,
3310 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3311 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3312 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3313 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3314 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3315 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3316 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3317 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3318 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3319 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3320 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3321 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3322 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3323 match the defaults provided in hwint.h.
3325 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3326 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3328 * config.gcc (xm_file): Don't set to files which are deleted.
3330 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3331 guard this file against these macros being undefined.
3333 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3335 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3336 and DECL_DEFER_OUTPUT on the decl we create, before calling
3337 rest_of_decl_compilation.
3339 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3341 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3343 * configure, config.in: Regenerate.
3344 * config.gcc: Remove references to deleted files.
3346 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3347 genrecog.c, rtl.c: Do not use alloca anywhere.
3349 * Makefile.in, build-make, system.h, config/x-interix,
3350 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3351 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3352 config/arc/xm-arc.h, config/arm/xm-arm.h,
3353 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3354 config/h8300/xm-h8300.h, config/i370/x-oe,
3355 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3356 config/i386/x-ncr3000, config/i386/x-sco5,
3357 config/i386/xm-dgux.h, config/i860/x-sysv4,
3358 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3359 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3360 config/m68k/x-hp320g, config/m69k/x-mot3300,
3361 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3362 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3363 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3364 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3365 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3366 config/mips/x-iris, config/mips/x-iris3,
3367 config/mips/x-sni-svr4, config/mips/x-sysv,
3368 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3369 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3370 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3371 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3372 config/pa/xm-papro.h, config/romp/xm-romp.h,
3373 config/rs6000/x-aix31, config/rs6000/x-aix41,
3374 config/rs6000/x-beos, config/rs6000/x-lynx,
3375 config/rs6000/x-mach, config/rs6000/x-rs6000,
3376 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3377 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3378 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3379 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3380 config/vax/xm-vms.h: Eradicate all references to alloca and
3383 * config/xm-alloca.h, config/clipper/x-clix,
3384 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3385 config/i860/x-sysv3, config/m88k/x-sysv3,
3386 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3387 (contained only alloca related hacks).
3389 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3392 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3394 * invoke.texi: Document __FAST_MATH__.
3396 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3398 * crtstuff.c: Restore include of auto-host.h.
3400 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3402 Put main() in a separate file, so that the language
3403 front-end can use a different main().
3406 * toplev.c: (main): Rename as toplev_main.
3407 * toplev.h: Declare toplev_main.
3408 * Makefile.in (OBJS): add toplev.o.
3409 (BACKEND): remove toplev.o, add main.o.
3411 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3413 * cppfiles.c (search_from): Special case the empty string.
3415 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3417 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3418 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3419 strlen or strcpy; we already know the length.
3420 (_cpp_compare_file_date): Similarly.
3421 * cpphash.h (struct cpp_reader): Delete done_initialising.
3422 (CPP_PREV_BUFFER): Delete.
3423 * cppinit.c (cpp_start_read): Don't set done_initialising.
3424 * cpplex.c (parse_string): Guarantee null-termination.
3425 (_cpp_equiv_toklists): Remove.
3426 * cpplib.c (glue_header_name): Null-terminate.
3427 (do_line): Don't leak memory.
3428 * cpplib.h (BT_WEAK): Delete.
3429 * cppmain.c (cb_ident): Strings are now null-terminated.
3431 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3433 * gcc.c (convert_filename): Append executable suffix
3434 if NO_AUTO_EXE_SUFFIX is not defined.
3435 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3436 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3438 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3440 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3441 * c-parse.gperf, c-gperf.h: Delete.
3442 (c-gperf.h was accidently re-added to the CVS repo in the rev
3443 1.16 commit by tromey)
3445 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3447 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3448 macro arguments when looking for the '('.
3449 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3450 2 when really parsing arguments; 1 when looking for '('.
3451 Always restore the lexer position.
3453 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3455 * longlong.h (umul_ppmm): Don't use a multiline string.
3457 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3459 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3460 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3461 t_bool in declaration because pcc can't combine volatile with typedef
3464 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3466 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3467 until when it is really needed.
3468 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3469 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3470 * i386.md (float?i?f splitter): Don't force source operand to memory
3472 (sse_movdfcc): Fix constraint.
3473 (sse_movdfcc splitter): Handle properly the second alternative.
3475 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3477 * cpplex.c (parse_string): Unconditionally pedwarn.
3479 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3482 * cppexp.c (parse_number): Update.
3483 * cpplex.c (parse_string): Pedwarn if multiline string does not
3484 result from a system header's macro.
3485 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3486 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3487 for function-like macros too.
3488 * c-lex.c (lex_number): Update.
3490 2001-03-03 Richard Henderson <rth@redhat.com>
3492 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3494 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3496 * combine.c (try_combine): If split with mode-changed scratch
3497 register didn't work, try the original mode.
3499 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3501 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3502 * config/c4x/c4x.h: Likewise.
3503 * stor-layout.c (compute_record_mode): Likewise.
3504 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3506 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3508 * configure.in: Kill tm.h. Include the files in the $tm_file
3509 list in all three of config.h, hconfig.h, tconfig.h, after the
3510 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3511 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3512 * configure: Regenerate.
3513 * Makefile.in (clean): Don't delete tm.h.
3515 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3516 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3517 those are not defined, set SEC and FEC to 0 and 1.
3518 * gcc.texi: Update to match.
3520 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3521 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3522 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3523 Include tconfig.h, not tm.h.
3525 * config/xm-lynx.h, config/xm-std32.h,
3526 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3527 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3528 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3529 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3530 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3531 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3532 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3533 config/i386/xm-i386.h, config/i860/xm-i860.h,
3534 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3535 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3536 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3537 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3538 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3539 config/pa/xm-linux.h, config/pa/xm-pa.h,
3540 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3541 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3542 config/pj/xm-pj.h, config/romp/xm-romp.h,
3543 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3544 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3545 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3546 config/v850/xm-v850.h, config/vax/xm-vax.h,
3547 config/we32k/xm-we32k.h:
3549 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3551 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3552 config/i370/xm-oe.h: Don't include tm.h. Don't define
3554 * config/vax/xm-vms.h: Don't include tm.h.
3556 * config/xm-lynx.h, config/avr/xm-avr.h,
3557 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3558 Delete; made empty by above changes.
3559 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3560 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3561 Don't include config/xm-lynx.h or tm.h.
3563 * config/xm-gnu.h: Don't include fcntl.h.
3564 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3566 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3568 2001-03-02 Richard Henderson <rth@redhat.com>
3570 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3571 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3573 2001-03-02 Richard Henderson <rth@redhat.com>
3575 * Makefile.in (OBJS): Add dwarf2asm.o.
3576 * dwarf2asm.c, dwarf2asm.h: New files.
3577 * dwarf2out.c (*): Use them.
3578 (size_of_uleb128, size_of_sleb128): Remove.
3579 (output_uleb128, output_sleb128): Remove.
3580 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3581 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3582 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3583 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3584 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3585 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3586 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3587 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3588 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3589 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3590 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3591 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3592 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3593 (dwarf2out_frame_debug): Remove unused variables.
3594 (output_loc_operands): Don't abort on 8 byte constants if
3595 host integers are wide enough.
3596 (output_symbolic_ref): Remove.
3597 (size_of_die): Don't assume 4 byte host integers.
3598 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3600 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3601 something stupid with HOST_WIDE_INT to long truncation.
3602 [CONST_DOUBLE]: Likewise.
3604 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3605 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3606 * config/arm/unknown-elf.h: Likewise.
3607 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3608 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3609 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3610 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3611 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3612 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3613 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3614 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3615 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3616 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3617 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3618 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3620 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3622 * cselib.c (hash_rtx): Cast enums to unsigned int.
3624 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3626 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3627 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3629 * c-format.c (C_STD_VER): Cast to int for comparisons.
3630 (check_function_format): Cast various enums to int for &.
3631 (maybe_read_dollar_number): Likewise.
3632 (check_format_info): Likewise.
3633 (check_format_info_main): Likewise.
3634 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3635 (safe_from_p): Likewise.
3636 * varasm.c (const_hash): Cast enum to int for %.
3637 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3638 pcc enum problems with < and ++ operators.
3639 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3640 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3641 (regclass_init): Change enum class to int to iterate over reg_classes.
3642 * genrecog.c (merge_trees): Cast enums for comparison.
3643 * rtl.h (GET_CODE): Cast to enum rtx_code.
3644 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3645 (GET_MODE): Cast to enum machine_mode.
3646 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3647 (GET_NOTE_INSN_NAME): Cast enum to int.
3648 * tree.h (TREE_CODE): Cast to enum tree_code.
3649 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3650 * timevar.c (timevar_print): Change loop variable id from enum to
3652 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3653 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3654 * toplev.c (compile_file): Cast enum DFI to int.
3655 (decode_d_option): Likewise.
3657 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3659 * cppinit.c (append_include_chain): Mark "after" include file name list
3660 as a system directory.
3661 * cpp.texi: Document new behavior.
3663 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3665 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3667 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3669 * cppfiles.c (struct include_file): Update.
3670 (stack_include_file): Use search_from.
3671 (cpp_included, find_include_file): Update.
3672 (cpp_execute_include): Update. ptr->name may not be
3673 null terminated. Use the new search_from member variable
3675 (_cpp_compare_file_date): Similarly.
3676 (search_from): New function, similiar to actual_directory.
3677 (actual_directory): Delete.
3678 (remap_filename): Update. loc->name may not be null terminated.
3679 (struct file_name_list): Rename search_path. Update.
3680 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3681 search_from and dir.
3682 (struct cpp_reader): Remove actual_dirs.
3683 * cppinit.c (struct cpp_pending): Update for renamed objects.
3684 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3685 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3686 * cpplib.h (struct cpp_options): Similarly.
3688 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3690 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3691 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3692 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3693 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3694 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3695 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3696 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3697 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3698 config/i370/xm-oe.h, config/i386/xm-aix.h,
3699 config/i386/xm-i386.h, config/i386/xm-osf.h,
3700 config/i860/xm-i860.h, config/i960/xm-i960.h,
3701 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3702 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3703 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3704 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3705 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3706 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3707 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3708 config/pj/xm-pj.h, config/romp/xm-romp.h,
3709 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3710 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3711 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3712 config/v850/xm-v850.h, config/vax/xm-vax.h,
3713 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3714 Do not define TRUE or FALSE.
3716 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3717 empty by above change.
3718 * config.gcc: Remove references to these files.
3720 * configure.in: Detect stdbool.h.
3721 * configure, config.in: Regenerate.
3722 * system.h: Include stddef.h here if available.
3723 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3724 Then set up a sensible boolean type at the very end.
3726 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3727 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3729 * hash.h: Delete 'boolean' typedef and related #undefs.
3731 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3732 all uses of 'boolean' with 'bool'.
3734 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3736 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3737 * cppexp.c (lex): Cast enums for comparison.
3738 * cppinit.c (parse_option): Cast enum for comparison.
3739 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3740 (cpp_output_token): Likewise.
3741 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3742 (cpp_avoid_paste): Cast enums for minus and comparison.
3744 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3746 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3747 field to all array elements.
3749 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3751 * cpphash.h (struct cpp_reader): Add print_version field.
3752 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3753 just set print_version and other flags as appropriate.
3754 (cpp_post_options): Print version here if print_version is set.
3756 * toplev.c (exit_after_options): New flag.
3757 (independent_decode_option): Don't exit here; just set
3759 (main): Exit after calling lang_hooks.post_options if
3760 exit_after_options is true.
3762 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3763 (merge_include_chains): Adjust comment to match code.
3765 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3767 * stringpool.c (set_identifier): New function.
3768 * tree.h: Prototype it.
3770 * c-parse.in: Kill D_YES. If compiled for objc, call
3771 save_and_forget_protocol_qualifiers from init_reswords.
3772 * objc/objc-act.c (remember_protocol_qualifiers,
3773 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3774 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3776 (save_and_forget_protocol_qualifiers): New function.
3777 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3779 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3781 * c-semantics.c (prune_unused_decls): Return error_mark_node
3782 instead of (tree) 1 to stop traversing the tree chain.
3784 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3786 Fix a problem introduced by Kenner's Feb 18 change.
3787 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3788 flag_cse_skip_blocks only temporarily, not for ever.
3790 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3792 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3793 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3795 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3796 before determining its register class.
3798 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3800 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3801 from reg 4 if current_function_calls_setjmp.
3802 (gen_nop_type): New function.
3803 (ia64_emit_nops): New function.
3804 (ia64_reorg): Call it.
3805 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3807 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3808 code not to try to optimize adds with anything but a REG destination.
3810 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3811 (INSN_PRIORITY_KNOWN): New accessor macro.
3812 * haifa-sched.c (priority): Use it instead of testing priority against
3815 2001-02-28 DJ Delorie <dj@redhat.com>
3817 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3818 since that doesn't work the way gcc wants on a generic m68k.
3820 2001-02-28 Richard Henderson <rth@redhat.com>
3822 * caller-save.c (save_call_clobbered_regs): Fix typo in
3823 comparison last change.
3825 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3827 * i386.c (pentium4_cost): New.
3828 (m_PENT4): New macro.
3829 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3830 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3831 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3832 x86_memory_mismatch_stall): Add Pentium4
3833 (x86_use_q_reg, x86_use_any_reg): Kill.
3834 (override_options): Add pentium4.
3835 (incdec_operand): Return 0 for pentium4.
3836 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3837 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3838 (TARGET_PENTIUM4): Define.
3839 (enum processor_type): Add PROCESSOR_PENTIUM4.
3840 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3841 * i386.md (attribute "cpu"): Add pentium4.
3842 * invoke.texi (march): Add pentium4.
3844 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3846 * i386.md (sse_mov?fcc*): New patterns and splitters.
3847 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3848 the SSE based conditional moves.
3850 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3852 * i386.md (attribute mode): Add "TI".
3853 (movsf_1): Add pxor support; remove constant propagation splitter.
3854 (movdf_integer): Likewise.
3855 (movdf_nointeger): Likewise.
3856 (movxf constant prop splitter): Handle all modes; update for SSE.
3857 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3858 * i386.c (standard_80387_constant_p): Rewrite.
3859 (standard_sse_constant_p): New.
3860 * i386-protos.h (standard_sse_constant_p): New.
3862 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3864 * i386.md (sse_setccsf, sse_setccdf): New.
3865 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3867 * i386.c (sse_comparison_operator): Accept the supported unordered
3868 comparses; be ready for fast_math.
3869 (print_operand): Support 'D'.
3871 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3873 * jump.c (reversed_comparison_code): Kill.
3875 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3877 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3880 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3882 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3883 add missing '%' in constraints.
3885 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3887 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3888 for HOST_BITS_PER_WIDE_INT == 32 too.
3890 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3892 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3894 (insert_save, insert_restore): New parameter save_mode.
3895 (init_caller_save): Update initialization of reg_save_code
3896 and reg_restore_code.
3897 (save_call_clobbered_regs): Compute save_modes and update calls to
3898 reg_save_code and reg_restore_code.
3899 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3900 of spill; update use of reg_restore_code.
3901 (insert_save): Likewise.
3902 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3903 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3904 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3906 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3908 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3909 noce_try_store_flag_inc, noce_try_store_flag_mask,
3910 noce_try_cmove_arith):
3911 Use reversed_comparison_code instead of reverse_comparison and
3912 can_reverse_comparison_p.
3914 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3916 * jump.c (reversed_comparison_code_parts): Allow reversal of
3917 unordered compares in -ffast-math mode; reverse ordered compares
3918 for FP even w/o -ffast-math.
3920 2001-02-27 Richard Henderson <rth@redhat.com>
3922 * print-rtl.c (print_rtx) [i]: Don't print field five on
3923 NOTEs other than NOTE_INSN_DELETED_LABEL.
3925 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3927 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3928 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3930 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3932 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3933 even if walk_subtrees is 0.
3934 * c-semantics.c (prune_unused_decls): Return a non-null value to
3935 stop traversing the tree chain.
3937 2001-02-27 DJ Delorie <dj@redhat.com>
3939 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3940 register, *then* define it as the new CFA.
3942 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3944 * pa.c (override_options): Promote -fpic to -fPIC.
3945 (legitimize_pic_address): Simplify due to removal of
3946 small PIC as a code generation option.
3947 (secondary_reload_class): Similarly.
3948 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3949 (PRINT_OPERAND_ADDRESS): Similarly.
3950 * pa.md (various patterns): Similarly.
3951 (small pic lo_sum pattern): Remove.
3953 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3956 * md.texi (min, max): Document
3958 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3960 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3961 TARGET_PARTIAL_REG_DEPENDENCY.
3962 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3964 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3966 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3968 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3970 * mips.c (mips_make_temp_file): Fix thinko in last change.
3972 2001-02-26 Jason Eckhardt <jle@redhat.com>
3974 * combine.c (known_cond): Do not reverse the condition when
3975 SMAX/UMAX is being considered and the condition is for equality
3978 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3980 2001-02-26 Philip Blundell <philb@gnu.org>
3982 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3984 * config/arm/linux-elf.h: Remove historical relics related to
3985 above configurations.
3986 * config/arm/linux-oldld.h: Delete.
3987 * config/arm/linux-elf26.h: Delete.
3989 2001-02-26 Jason Merrill <jason@redhat.com>
3991 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3993 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3994 recognize a tentative definition. Lose obsolete code.
3996 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3997 variables unless necessary, either.
3999 2001-02-25 Richard Henderson <rth@redhat.com>
4001 * ifcvt.c (struct noce_if_info): Add test_bb.
4002 (noce_get_alt_condition): New.
4003 (noce_try_minmax, noce_try_abs): New.
4004 (noce_operand_ok): New.
4005 (noce_process_if_block): Use them.
4006 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4008 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4010 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4013 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4015 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4016 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4018 (mips_asm_file_end): Free temp_filename here.
4020 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4022 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4023 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4025 * config/i386/i386.md (movstrsi): Handle FAIL case.
4027 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4029 * cppinit.c (builtin_array): Update.
4030 (init_builtins): Flag builtins to warn if redefined or
4031 undefined. Define __GXX_WEAK as a normal macro.
4032 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4033 * cpplib.h (NODE_WARN): New flag.
4034 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4035 Handle __STDC__ as a builtin only on Solaris.
4036 (warn_of_redefinition): Renamed from check_macro_definition.
4037 Reverse sense of test. Always warn if NODE_WARN.
4038 (_cpp_create_definition): Use warn_of_redefinition. Flag
4039 any macro beginning with "__STDC_" to require a mandatory
4040 warning if redefined or undefined.
4042 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4044 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4045 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4046 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4047 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4048 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4049 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4050 Don't define any of:
4051 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4052 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4053 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4054 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4055 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4057 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4058 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4061 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4062 Delete now-empty file.
4064 * alpha/vms.h: Define NEED_ATEXIT here...
4065 * alpha/xm-vms.h: ...not here.
4067 * i386/cygwin.h: Don't define PARAMS.
4068 * mips/mips.c: Don't prototype mktemp. Don't define
4069 P_tmpdir. Use make_temp_file to create temporary files.
4070 Don't be clever and delete temporary files early.
4071 * config.gcc: Drop references to deleted files. Don't define
4073 * gcc.texi: Don't mention USE_PROTOTYPES.
4075 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4077 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4078 (ix86_set_move_mem_attrs_1): Likewise.
4079 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4080 * config/i386/i386.md (movstrsi): Call it.
4082 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4084 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4085 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4086 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4087 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4089 (i750a-*-*): Error here if hosting on i750a.
4090 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4092 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4093 Remove (empty modulo comments).
4095 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4096 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4097 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4098 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4099 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4100 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4102 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4103 Remove reference to winnt.h in comment.
4104 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4106 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4108 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4109 used to set another biv.
4111 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4113 * tree.h (BLOCK_DEAD): New macro.
4114 (struct tree_block): New flag, dead_flag.
4115 * print-tree.c (print_node, case 'b'): Print missing fields.
4116 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4117 * function.c (identify_blocks): Enable test for misplaced notes.
4118 (all_blocks): Skip BLOCK_DEAD blocks.
4119 * integrate.c (integrate_decl_tree): Likewise.
4121 * errors.c (internal_error, trim_filename): New functions.
4122 (fancy_abort): Call internal_error.
4123 * errors.h (internal_error, trim_filename): New declarations.
4125 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4127 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4129 (EXTRA_CONSTRAINT): Formatting changes.
4131 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4133 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4135 2001-02-23 Per Bothner <per@bothner.com>
4137 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4138 so they can be called from java/jvspec.c.
4139 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4141 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4143 * i386.c (ix86_frame): New structure.
4144 (ix86_compute_frame_size): Kill.
4145 (ix86_compute_frame_layout): New.
4146 (ix86_save_reg): New.
4147 (ix86_can_use_return_insn_p): Use frame layout stuff.
4148 (ix86_expand_prologue): Likewise.
4149 (ix86_expand_epilogue): Likewise.
4150 (ix86_initial_elimination_offset): Likewise.
4151 (ix86_nsaved_regs): Use ix86_save_reg.
4152 (ix86_emit_save_regs): Likewise.
4154 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4156 * flow.c (find_sub_basic_blocks): New function.
4157 (split_block): Be ready for basic block introduced by CODE_LABEL.
4158 (commit_one_edge_insertion): Call find_sub_basic_block.
4160 * flow.c (make_edges): Add edge from entry for blocks starting with
4161 label having ALTERNATE_NAME
4163 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4165 * function.c (epilogue_done): Be ready for first basic block not
4166 containing PROLOGUE_END note.
4167 (reposition_prologue_and_epilogue_notes): Avoid placing
4168 PROLOGUE_END note between BASIC_BLOCK.
4170 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4172 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4174 2001-02-21 DJ Delorie <dj@redhat.com>
4176 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4177 check for current_function_has_nonlocal_goto from 1999-11-12.
4179 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4181 * diagnostic.c (trim_filename): No longer static.
4182 * toplev.h (trim_filename): Declare.
4183 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4184 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4185 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4186 (rtvec_check_failed_bounds): Likewise.
4187 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4189 * convert.c (convert_to_integer): Don't do unsigned unless result or
4190 both inputs are unsigned.
4192 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4195 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4197 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4199 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4201 * Makefile.in (resource.o): Add params.h dependence.
4202 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4203 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4204 * resource.c: Add dependence on params.h.
4205 (current_live_regs): Fix explanatory comment.
4206 (find_basic_block): Add new parameter to permit limiting search
4208 (mark_target_live_regs): Add new argument to find_basic_block call.
4209 (incr_ticks_for_insn): Likewise.
4211 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4213 * diagnostic.c (output_to_stream): Rename to
4214 output_buffer_to_stream. Loses the stream parameter.
4215 (init_output_buffer): Set diagnosic_buffer's stream.
4216 (flush_diagnostic_buffer): Adjust.
4217 (default_print_error_function): Likewise.
4218 (finish_diagnostic): Likewise.
4219 (verbatim): Likewise.
4221 * diagnostic.h (struct output_buffer): Add `stream' field.
4222 (output_buffer_attached_stream): New macro.
4224 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4226 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4227 check if either operand is divisible by C.
4228 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4229 If type is signed, consider negative numbers as well.
4231 2001-02-22 Richard Henderson <rth@redhat.com>
4233 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4234 reach .text instead of gp-relative relocs.
4235 * config/ia64/crtend.asm (.init): Likewise.
4237 2001-02-22 Andreas Jaeger <aj@suse.de>
4239 * extend.texi (C++ Attributes): Fix typo.
4241 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4243 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4244 functions, drop current_function_args_info.words test.
4245 (ia64_compute_frame_size): Mark syscall_linkage functions as
4246 using eight input registers.
4248 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4249 Bruce Korb <bkorb@gnu.org>
4251 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4252 * fixinc/README: Document how to convert sed substitutions
4253 to format style c_fix-es.
4254 * fixinc/fixincl.x: regen
4256 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4258 * gcc.c: Add comment explaining how to add a command-line option.
4259 Add title to specs language comment.
4261 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4263 * gcc.c (cc1_options): Add "-param".
4264 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4265 (option_map): Likewise.
4266 * toplev.c (display_help): Add entry for "--param".
4267 (independent_decode_option): Fix typographical error.
4269 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4270 Bernd Schmidt <bernds@redhat.com>
4271 Jan Hubicka <jh@suse.cz>
4273 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4274 (function_arg): Likewise.
4276 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4278 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4280 2001-02-21 Kazu Hirata <kazu@hxi.com>
4282 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4286 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4288 * flow.c (init_propagate_block_info): Canon address and use single_set
4289 for killing dead memory stores.
4291 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4293 * Makefile.in (reorg.o): Add params.h dependence.
4294 * params.def: Fix typographical error in comment.
4295 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4296 * params.h: Modify introductory comment.
4297 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4298 * reorg.c: Add dependence on params.h.
4299 (redundant_insn): Add parameterized throttle for search.
4300 (fill_simple_delay_slots): Add a comment explaining a variable.
4301 Move conditional out of loop, simplifying code.
4302 (fill_eager_delay_slots): Fix typographical error in comment.
4304 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4306 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4308 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4309 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4311 2001-02-21 Jason Merrill <jason@redhat.com>
4313 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4314 (struct tree_decl): Add uninlinable bitfield.
4315 * c-decl.c (duplicate_decls): Set it.
4316 * integrate.c (function_cannot_inline_p): Check it.
4318 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4319 DW_AT_MIPS_linkage_name to abstract methods.
4320 (dwarf2out_abstract_function): Emit class context before calling
4321 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4322 (gen_subprogram_die): Remove obsolete code.
4323 (gen_member_die): Don't include clones in the member list.
4324 (gen_decl_die): Emit abstract info for clone origin.
4325 * dwarfout.c (output_type): Don't include clones in the member list.
4326 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4327 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4328 DECL_ABSTRACT on a function that already has it set.
4330 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4331 (get_subprogram_die): Pass it in.
4333 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4335 * flow.c (mark_set_1): Make not_dead unsigned long. For
4336 non-pseudos, use it as a bitmask of the hard regs that
4339 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4341 * cppfiles.c: Update comments.
4342 (_cpp_read_file): Don't check for NULL filenames any more.
4343 * cppinit.c (cpp_start_read): Don't do canonicalization of
4344 in_fname and out_fname. Use the passed file name exclusively.
4345 (_cpp_handle_options): Don't treat "-" as a command line option,
4346 but as a normal filename.
4347 (_cpp_post_options): Canonicalize in_fname and out_fname.
4348 * cppmain.c (printer_init): Don't check out_fname for NULL.
4349 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4350 (init_c_lex): Update, and use "" to represent stdin to CPP.
4353 2001-02-20 Will Cohen <wcohen@redhat.com>
4355 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4356 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4357 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4360 2001-02-20 Stan Shebs <shebs@apple.com>
4362 * config/rs6000/rs6000.c (output_cbranch): Output branches
4363 on separate lines instead of using ';' to separate.
4365 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4367 * cppinit.c (set_lang): Move builtin handling to...
4368 (init_builtins): ...here.
4369 (_cpp_create_reader): Move call to set_lang.
4371 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4373 * stmt.c (expand_return): If an attempt is made to return the
4374 error_mar_node, treat the return like a return without a value.
4376 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4378 * sibcall.c (skip_copy_to_return_value): Call
4379 identify_call_return_value here, and return orig_insn if it
4380 returns zero. Hardret and softret arguments now unnecessary.
4381 (call_ends_block_p): Don't call identify_call_return_value here.
4383 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4385 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4386 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4388 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4390 * pa.c (move_operand): Accept code to load the address of a
4391 symbol out of the DLT as a valid move operand.
4392 (print_operand, case 'A'): New to handle generating a DLT
4393 reference for a LO_SUM expression.
4394 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4395 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4397 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4399 * README, cpp.texi, gcc.texi, version.c: Update version number to
4401 * cpp.1, gcov.1, gcc.1: Regenerate.
4403 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4405 * cppfiles.c (stack_include_file): Generate dependencies
4406 here, and manage include_count here too.
4407 (PRINT_THIS_DEP): Delete.
4408 (_cpp_execute_include): Do not generate dependencies here,
4409 apart from the case of a missing header. Do not manage
4411 (_cpp_read_file): Leave dependency generation to
4414 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4416 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4417 target_cpu_default. Remove dead assignment to
4420 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4422 * regclass.c (contains_reg_of_mode): Make global.
4423 (init_reg_sets): Remove contains_reg_of_mode; take into account
4424 CLASS_MAX_NREGS when looking for the proper mode.
4425 (dump_regclass): Dump only classes considered for the pseudo.
4426 (regclass): Use contains_reg_of_mode.
4428 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4430 * gcc.c (do_spec_1): 'n' for printing notices.
4431 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4433 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4435 * reg-stack.c (next_flags_user): Use current_block->end
4436 (swap_rtx_condition): Look for next user if flags don't die;
4437 give up on CALL_INSNs; use current_block->end.
4439 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4441 * sibcall.c (call_ends_block_p): New function.
4442 (optimize_sibling_and_tail_recursive_call): Use it.
4444 2001-02-18 Kazu Hirata <kazu@hxi.com>
4446 * config/h8300/h8300.md: Update copyright.
4447 (andsi3): Do not output an extra newline character.
4449 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4451 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4452 FNDECL may be unused.
4454 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4455 follow jumps after first run.
4456 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4457 it doesn't change any jumps.
4459 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4461 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4462 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4463 (mostlyclean): Corresponding changes.
4464 * rtlanal.c (hard-reg-set.h): Include.
4465 (rtx_unstable_p): Do not treat the argument pointer specially
4466 if it is not a fixed register.
4467 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4469 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4471 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4472 against last real insn in basic block.
4473 Rework to avoid gotos.
4475 * Makefile.in (gcse.o): Now includes ggc.h.
4476 * gcse.c: Include ggc.h.
4477 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4478 (try_replace_reg): Remove warning of uninitialize variable.
4479 (process_insert_insn): Call invalid_insn_p to validate insn.
4480 * recog.c (insn_invalid_p): Now global.
4481 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4482 * recog.h (insn_invalid_p): New declaration.
4484 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4486 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4487 assignments from FP constants since 'Y' output code can't handle it.
4488 (eligible_for_sibcall_delay): Likewise.
4490 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4491 Call fancy_abort directly, passing args.
4492 (print_rtl_and_abort): Now a macro, like fancy_abort.
4494 * final.c (output_operand_lossage): Use internal_error, not error.
4496 2001-02-18 Shane Nay <shane@agendacomputing.com>
4498 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4499 structure shift insns.
4501 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4503 * invoke.texi (-fsquangle): Remove documentation.
4504 (-fname-mangling-version): Likewise.
4506 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4508 * optabs.c (expand_abs): Remove reference to
4509 HAVE_contitional_arithmetic.
4510 * combine.c (simplify_set): Likewise.
4512 2001-02-18 Richard Henderson <rth@redhat.com>
4514 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4517 2001-02-18 Richard Henderson <rth@redhat.com>
4519 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4521 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4523 * reload1.c (reload_cse_simplify_set): Fix typo.
4525 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4527 * diagnostic.c (_fatal_insn): Decrement errorcount.
4529 * invoke.texi (-I): Add note avoiding use for system header files.
4531 * rtl.h (add_clobbers): Remove duplicate declaration.
4532 * recog.h (added_clobbers_hard_reg_p): New declaration.
4533 * genemit.c (struct clobber_pat): New field has_hard_reg.
4534 (gen_insn): Record if added clobbers clobber hard reg.
4535 (gen_split): Avoid unused warning if number of operands is 0.
4536 (output_added_clobbers_hard_reg_p): New function.
4539 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4541 * pa.c (hppa_expand_prologue): Simplify code storing return
4542 pointer. For large (>=8k) frames with a post_store, adjust stack
4543 pointer by 8k-64 first rather than by 64. When testing with
4544 VAL_14_BITS_P, always use the actual value rather than the value
4545 negated. Add blockage to prevent scheduling of spills before
4546 stack frame has been created.
4547 (hppa_expand_epilogue): Simplify code loading return pointer.
4548 Allow a slightly larger range for merge_sp_adjust_with_load case.
4549 When testing with VAL_14_BITS_P, always use the actual value.
4551 * pa.c (pa_adjust_insn_length): Check that block move
4552 pattern is a set before looking at operands.
4554 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4556 * fold-const.c (fold_binary_op_with_conditional_arg): New
4557 function, split out from ...
4559 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4560 conditional arms that throw exceptions.
4562 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4565 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4567 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4568 define HAVE_DECL_* to 1 to mask potential backup declarations.
4569 * configure: Regenerated.
4571 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4573 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4575 2001-02-17 Richard Henderson <rth@redhat.com>
4577 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4578 when replacing a memory load with a register.
4580 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4581 Jan Hubicka <jh@suse.cz>
4583 * recog.c (validate_replace_src_1): New.
4584 (validate_replace_src_data): Likewise.
4585 (validate_replace_src): Use note_uses.
4586 * rtl.h (note_uses): Declare.
4587 * rtlanal.c (note_uses): New.
4589 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4591 * reg-stack.c (stack_def): Make field reg unsigned.
4592 (remove_regno_note): Unsignetize parameter.
4594 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4596 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4597 shladd_operand() call.
4599 2001-02-16 Bruce Korb <bkorb@gnu.org>
4600 Rodney Brown <RodneyBrown@mynd.com>
4602 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4603 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4604 machine restrictions
4605 * fixinc/fixincl.x: regen
4607 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4609 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4611 (hash_scan_insn): Clean up calls to hash_scan_set.
4612 (compute_kill_rd): REGNO now unsigned.
4613 (try_replace_reg): Rework to use simplify_replace_rtx.
4614 (cprop_jump, cprop_cc0_jump): Likewise.
4615 (cprop_insn): Call find_reg_equal_equiv_note.
4616 Reflect changes to cprop_jump and cprop_cc0_jump.
4618 * recog.c (validate_replace_src): Replace in operands of
4619 ZERO_EXTRACT in SET_DEST.
4621 * cse.c (new_label_ref): New variable.
4622 (insert): Set it instead of recorded_label_ref.
4623 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4624 CODE_LABEL for this function, and not already in REG_LABEL note.
4626 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4628 * resource.c (mark_referenced_resources): Fix typo in introductory
4630 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4633 2001-02-16 Jason Merrill <jason@redhat.com>
4635 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4637 (gen_subprogram_die): Don't abort on seeing a second definition if
4638 the previous one was abstract. Don't replace an abstract instance
4639 in the lookup table.
4641 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4642 gen_abstract_function.
4643 * dwarf2out.h: Declare it.
4644 * toplev.c (note_outlining_of_inline_function): New fn.
4645 * toplev.h: Declare it.
4646 * integrate.c (output_inline_function): Call it.
4647 * c-decl.c (duplicate_decls): Call it when redefining an extern
4648 inline. Don't inline the new defn.
4650 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4652 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4654 * .gdbinit: Rename to gdbinit.in.
4655 * gdbinit.in: New file,
4656 * configure.in: Generate .gdbinit from gdbinit.in.
4657 * configure: Regenerated.
4658 * Makefile.in (distclean): Always remove .gdbinit.
4660 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4662 * objc/objc-act.c (start_class): Register implemented_classes with
4665 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4667 * cppfiles.c (_cpp_make_system_header): Generate a file
4670 2001-02-15 Jim Meyering <meyering@lucent.com>
4672 * Makefile.in (install-common): Don't depend on installdirs here.
4673 Instead, make each of the lang.install-common targets (e.g.,
4674 c++.install-common in cp/Make-lang.in) depend on it.
4675 (install-driver): Depend on installdirs.
4677 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4679 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4681 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4684 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4686 * invoke.texi (--param): Document.
4688 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4690 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4692 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4694 * i386.md (extendsfdf2_2): Fix constraints.
4696 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4698 * i386.md (fop_df_3 splitter): Fix operand number.
4700 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4702 * invoke.texi (-mreg-alloc): Nuke.
4703 * i386.c (ix86_reg_alloc_order, regs_allocated,
4704 order_regs_for_local_alloc): Nuke.
4705 (override_options): Kill reg_alloc code.
4706 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4707 (REG_ALLOC_ORDER): SSE goes before I387.
4708 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4709 (ix86_reg_alloc_order): Likewise.
4710 * i386-protos.h (ix86_reg_alloc_order): Kill.
4712 2001-02-14 Richard Henderson <rth@redhat.com>
4714 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4716 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4718 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4720 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4722 * i386-protos.h (ix86_memory_move_cost): Move offline.
4723 * i386.c (ix86_register_move_cost): Compute properly cost of
4724 SSE, MMX and i387 instructions.
4725 (*_cost): Add costs of SSE/MMX moves.
4726 (ix86_memory_move_cost): Move offline from ....; Likewise.
4727 * i386.h (MEMORY_MOVE_COST): .... here;
4728 (struct processor costs): Add new fields to represent costs
4731 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4733 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4734 move_cost together with Matt Kraai's fix.
4736 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4738 * Makefile.in (OBJS): Add params.o.
4740 2001-02-14 Richard Henderson <rth@redhat.com>
4741 DJ Delorie <dj@redhat.com>
4743 * jump.c (jump_optimize_1): When we delete a conditional jump
4744 preceeding a non-conditional jump to effectively the same place,
4745 make sure that the combined jump skips any clobber insns between
4748 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4750 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4752 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4754 * Makefile.in (toplev.o): Depend on params.h.
4755 (intergate.o): Likewise.
4756 (params.o): New target.
4757 * flags.h (inline_max_insns): Remove.
4758 * integrate.c: Include params.h.
4759 Use MAX_INLINE_INSNS instead of inline_max_insns.
4760 * params.c: New file.
4761 * params.h: Likewise.
4762 * params.def: Likewise.
4763 * toplev.c: Include params.h.
4764 (lang_independent_params): New variable.
4765 (decode_f_option): Use the param machinery instead of setting
4767 (independent_decode_option): Handle "--param name=value".
4768 (main): Register language-independent parameters.
4770 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4772 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4774 2001-02-14 Richard Henderson <rth@redhat.com>
4776 * regclass.c (init_reg_sets_1): Revert last two changes.
4778 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4780 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4781 (variable_size): Call put_pending_size.
4782 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4783 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4784 sizes list, put newly created SAVE_EXPR there as well.
4786 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4788 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4789 (errata_find_address_regs): load_group has only 2 entries.
4790 (errata_emit_nops): Likewise. shladd is not problematic.
4791 Clear last_group if nop was emitted.
4792 (fixup_errata): load_group has only 2 entries.
4795 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4797 * c-lex.c (lex_number): Only warn traditionally for U suffix
4798 outside system macros.
4799 * cppexp.c (parse_number): Similarly.
4800 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4801 * cppmacro.c (struct cpp_macro): New member node.
4802 (parse_args): Only warn about missing rest args if not
4804 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4805 (cpp_sys_objmacro_p): New.
4806 (_cpp_create_definition): Store the node with the macro defn.
4807 Remember if the macro is defined in a system header.
4809 2001-02-13 DJ Delorie <dj@redhat.com>
4811 * configure.in (check_languages): determine languages to check
4812 * Makefile.in (check-c++): alias for check-g++
4813 (check-f77): alias for check-g77
4814 (CHECK_TARGETS): depend on configured languages
4816 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4818 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4819 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4820 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4821 (sqrtextendsfdf2): Disable for SSE2.
4823 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4825 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4826 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4827 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4828 (sqrtextendsfdf2): Disable for SSE2.
4830 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4832 * i386.md (movsfcc_1): Support integer cmove instruction.
4833 (movdfcc_1): Likewise; new splitter.
4835 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4837 * i386.c (output_fp_compare): Support SSE.
4838 (prepare_fp_compare_args): SSE comparisons always support memory.
4839 * i386.h (TARGET_CMOVE): SSE imply cmove.
4840 * i386.md (cmp?f2): Enable for SSE too.
4841 (cmpfp_i*): Support SSE.
4843 (cmpfp_i_sse_only): New.
4844 (s*, b* fp expanters): Enable for SSE too.
4845 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4848 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4850 * regclass.c (init_reg_sets_1): Silence warning.
4852 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4854 * i386.md (sqrt?f2): Change to expander.
4855 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4857 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4859 * rtlanal.c (find_reg_equal_equiv_note): New function.
4860 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4861 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4862 * rtl.h: Add declarations for above functions.
4864 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4866 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4868 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4869 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4870 * flow.c (mark_regs_live_at_end): Likewise.
4871 (calculate_global_regs_live): Likewise.
4872 * gcse.c (compute_hash_table): Likewise.
4873 (compute_kill_rd): Likewise.
4874 * resource.c (mark_target_live_regs): Likewise.
4875 * rtl.h (INVALID_REGNUM): New macro.
4877 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4879 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4881 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4883 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4886 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4888 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4890 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4891 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4892 (fop_sf_1_sse, fop_df_1_sse): New patterns
4893 (fop_*): Disable float_extend and float patterns for SSE compilation.
4894 * i386.c (output_387_binary_op): Support SSE.
4896 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4898 * i386.md (dummy_extendsfdf2): Support SSE2
4899 (extendsfdf2): Enable if 80387 or SSE2.
4900 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4901 and no MIX_I387_SSE2
4902 (extendsfdf2_1_sse_only): New pattern.
4903 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4905 (truncdfsf2_1): Support SSE.
4906 (truncdfsf2_2): Support SSE.
4907 (truncdfsf2_2_1_sse): New pattern.
4908 (fixtruncsfsi2): Always use SSE if available.
4909 (fix_truncsfsi_sse): New pattern.
4910 (fix_truncdfsi_sse): New pattern.
4911 (floatsis?f2): Support SSE.
4912 (floatsidf2_i387): New pattern.
4913 (floatsidf2_sse): Likewise.
4915 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4917 * configure.in: Use "have_gnat" variable, not "gnat".
4918 * configure: Regenerated.
4920 * config/sparc/sparc.c (function_value): Treat all non-record
4921 aggregate types like used to treat UNION_TYPE.
4923 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4925 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4926 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4928 (MASK_MIX_SSE_I387): New.
4929 (TARGET_SSE): SSE2 imply SSE.
4930 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4931 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4932 (enum reg_class): Add new classes.
4933 (REG_CLASS_NAMES): Likewise.
4934 (REG_CLASS_CONTENTS): Likewise.
4935 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4936 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4937 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4938 (CLASS_MAX_NREGS): Use new macros.
4939 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4940 * i386.md (pushsf, movsf): Support SSE.
4941 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4942 splitters to use ANY_FP_REGNO_P.
4943 (movdf_nointeger, movdf_integer): Likewise.
4945 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4947 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4948 (try_combine): Use it.
4950 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4952 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4953 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4954 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4955 (REGISTER_MOVE_COST): Likewise.
4956 * i386-protos.h (ix86_secondary_memory_needed,
4957 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4958 * i386.c (ix86_secondary_memory_needed,
4959 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4961 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4963 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4964 (HARD_REGNO_MODE_OK): Move offline to ....
4965 * i386.c (ix86_hard_regno_mode_ok) ... here;
4966 refuse all incorrect modes.
4967 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4969 2001-02-13 Richard Henderson <rth@redhat.com>
4971 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4972 entire operator; replicate that and match_dup the operands.
4973 (cmp_ccx_arith_op_set): Likewise.
4974 (cmp_cc_arith_op_not_set): Likewise.
4975 (cmp_ccx_arith_op_not_set): Likewise.
4977 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4979 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4981 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4983 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4984 (TARGET_NO_BITFIELD_WORD): New macro.
4985 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4986 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4988 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4990 * cselib.c: New file, from simplify-rtx.c.
4991 * simplify-rtx.c: Remove cselib parts.
4992 * Makefile.in: Add cselib.o.
4994 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4996 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4997 (setup_incoming_varargs): Remove warning.
4999 * config/rs6000/rs6000.c (validate_condition_mode): When
5000 flag_fast_math, allow floating-point conditionals to be reversed.
5001 (rs6000_generate_compare): When flag_fast_math, don't generate
5002 cror operations for FP conditionals.
5004 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5006 (ASM_SPEC): Likewise.
5007 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5008 (CC1_SPEC): Likewise.
5009 (LINK_TARGET_SPEC): Likewise.
5010 (CPP_ENDIAN_SPEC): Likewise.
5011 * Makefile.in (check-consistency): New target.
5013 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5015 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5016 "return type defaults" warning for functions with return type
5018 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5019 function declarations by default rather than only when pedantic.
5021 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5023 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5026 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5028 * extend.texi (Deprecated): Deprecate new initializer lists.
5030 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5032 * mkdeps.c (deps_add_default_target): Robustify. Add
5033 basename component only.
5034 * cpp.texi (-M): Describe how default target is generated.
5035 * invoke.texi (-M): Likewise.
5037 2001-02-12 Kazu Hirata <kazu@hxi.com>
5039 * toplev.c (push_float_handler): Remove.
5040 (pop_float_handler): Remove.
5041 * toplev.h: Remove prototypes for the above functions.
5043 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5045 * c-common.c (constant_fits_type_p): New function.
5046 (convert_and_check): Use it.
5048 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5050 * Makefile.in (GXX_ABI_FLAG): Don't define.
5051 * configure.in (--enable-new-gxx-abi): Remove option.
5052 * config.in: Regenerated.
5053 * configure: Likewise.
5055 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5057 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5059 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5060 regular basic block, and arrange for all edges into it to switch
5063 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5065 * Makefile.in (distclean): Do not remove .gdbinit.
5067 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5069 * Makefile.in (gcc.o): Fix typos.
5070 (protize.o): Likewise.
5071 (unprotoize.o): Likewise.
5073 2001-02-11 Richard Henderson <rth@redhat.com>
5075 * tree.c (build1): Check for null operand in last change.
5077 2001-02-11 Richard Henderson <rth@redhat.com>
5079 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5080 (fold): Don't assume a constant isn't foldable.
5081 * tree.c (build): Set TREE_CONSTANT for an expression with no
5082 side-effects and constant operands.
5085 2001-02-10 Richard Henderson <rth@redhat.com>
5087 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5089 2001-02-10 Anthony Green <green@redhat.com>
5091 * cpp.texi (Standard Predefined): Add documentation for
5094 * c-common.c (combine_strings): Improve warning message.
5096 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5098 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5100 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5102 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5104 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5107 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5109 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5112 2001-02-09 Nick Clifton <nickc@redhat.com>
5114 * config/arm/arm.md: Change output contraint on post inc
5115 load/store multiple patterns to be a read/write contraint.
5117 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5119 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5120 .o files when using the -M options.
5122 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5123 David Edelsohn <edelsohn@gnu.org>
5125 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5126 handle DImode constants. Use one TOC entry for SImode and smaller
5127 constants, aligned properly.
5129 2001-02-08 Jason Merrill <jason@redhat.com>
5131 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5132 about the SP adjustment for saving the static chain pointer.
5133 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5134 offset when setting a temporary CFA register.
5136 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5138 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5139 powerpc-*-chorusos* .
5140 * config/rs6000/chorus.h : New file.
5141 * config/i386/chorus.h : New file.
5142 * config/sparc/chorus.h : New file.
5143 * config/sparc/t-chorus-elf : New file.
5145 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5147 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5148 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5149 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5150 (__WCHAR_TYPE__): Correct macro name.
5152 2001-02-08 Richard Henderson <rth@redhat.com>
5154 * config/i386/i386.c (ix86_frame_pointer_required): New.
5155 (ix86_setup_frame_addresses): New.
5156 (struct machine_funciton): Add accesses_prev_frame.
5157 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5158 ix86_frame_pointer_required.
5159 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5160 (SETUP_FRAME_ADDRESSES): New.
5161 * config/i386/i386-protos.h: Update.
5162 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5163 from FRAME_POINTER_REQUIRED.
5164 * config/i386/svr3gas.h: Likewise.
5165 * config/i386/sysv3.h: Likewise.
5166 * config/i386/v3gas.h: Likewise.
5168 2001-02-08 Richard Henderson <rth@redhat.com>
5170 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5171 calculation of the number of integer registers required.
5172 (function_arg_record_value): Likewise.
5174 2001-02-08 Jason Merrill <jason@redhat.com>
5176 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5177 two. Print file and line with "confused" message.
5179 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5181 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5183 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5185 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5187 * final.c (cleanup_subreg_operands): The address of a MEM can
5190 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5193 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5195 * gcc.texi (Incompatibilities): Update documentation of
5196 preprocessing numbers.
5198 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5200 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5202 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5204 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5206 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5207 * gcc.c (struct compiler): Add cpp_spec field.
5208 (input_file_compiler): New variable.
5209 (do_spec_1): Allow a particular compiler to handle `%C'
5211 (main): Store the current compiler in input_file_compiler.
5212 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5214 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5216 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5217 * cppinit.c (cpp_create_reader): Initialize them.
5218 (append_include_chain): cxx_aware arg might be unused.
5219 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5220 keywords and give them their phase 7 meaning. Pedwarn about
5221 this unless '__bool_true_false_are_defined' is defined.
5223 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5225 * lcm.c (optimize_mode_switching): Emit mode_set before the
5226 JUMP_INSN of an abnormal edge.
5228 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5230 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5231 a scheduling barrier at the end.
5233 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5235 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5237 * config/sh/sh.md (reload_outsf): Removed.
5238 (movsf_ie): Introduce constraints for FPUL loads and stores.
5239 (reload_insf): Broaden the output constraint.
5241 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5243 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5244 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5246 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5248 * final.c: Revert my previous changes.
5249 * output.h: Make profile_label_no extern.
5250 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5251 for generating label.
5253 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5255 * config/i386/djgpp.h: Add comments about standard paths.
5256 (MD_EXEC_PREFIX): Undefine before defining.
5257 (MD_STARTFILE_PREFIX): New.
5259 2001-01-30 Bruce Korb <bkorb@gnu.org>
5261 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5262 (load_file): do not rely on load_file_data() to close file pointer
5263 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5264 fixinc/inclhack.def(irix_limits_const): add test_text
5266 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5268 * cppexp.c (parse_defined): Improve diagnostics for invalid
5271 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5273 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5275 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5277 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5278 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5279 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5280 (rs6000_output_symbol_ref): New function.
5281 (output_toc): Use VTABLE_NAME_P.
5283 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5285 * print-tree.c (print_node, case PARM_DECL):
5286 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5288 * stor-layout.c (reference_types_internal): New variable.
5289 (internal_reference_types): New function.
5290 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5291 * tree.h (internal_reference_types): New declaration.
5293 * cse.c (find_best_addr): Fix typo in computing cost.
5295 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5297 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5298 and this is the sum of a pointer and a constant, we know the result
5300 (num_sign_bit_copies, case PLUS): Likewise.
5301 * explow.c (convert_memory_address): Remove opposite SUBREG.
5302 * function.c (instantiate_new_reg): New function (from common code).
5303 (instantiate_virtual_regs_1): Call it.
5304 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5305 if pointers sign- or zero-extend.
5306 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5307 If pointers extend unsigned, use inside of SUBREG.
5308 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5310 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5312 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5313 subdir of gcc_gxx_include_dir.
5314 (gcc_gxx_target_include_dir): Remove.
5316 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5318 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5319 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5320 a high-level description.
5322 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5324 * final.c: Move the declaration of profile_label_no to ...
5325 * output.h: ... here.
5326 * function.c (expand_function_start): Call PROFILE_HOOK.
5327 * config/rs6000/aix.h: Define PROFILE_HOOK.
5328 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5329 * config/rs6000/rs6000.c (output_profile_hook): Define.
5330 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5331 output_profile_hook.
5332 tm.texi : Explain new macro PROFILE_HOOK.
5334 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5336 * extend.texi (Extended Asm): Do not say that semicolon is always
5337 a valid line-breaking character for GNU assemblers. Use
5338 newline-tab as the most commonly supported syntax. Use
5339 newline-tab rather than semicolon in multi-insn examples.
5341 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5343 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5345 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5346 David Edelsohn <edelsohn@gnu.org>
5348 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5349 code for AIX, even without flag_pic.
5351 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5353 * c-typeck.c (common_type): push and pop binding level around
5354 calling common_type on function parameters.
5356 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5358 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5360 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5362 * config/mips/mips.c (override_options): Fix typo in last change.
5363 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5364 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5366 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5368 * invoke.texi (-fdump-class-layout): Document.
5369 (-fdump-translation-unit): Use `=' as filename separator.
5371 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5373 * Makefile.in (s-mlib): Don't build multilibs if
5375 (DRIVER_DEFINES): Adjust accordingly.
5377 (protoize.o): Likewise.
5378 (unprotoize.o): Likewise.
5379 * configure.in: Recognize --enable-multilib.
5381 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5383 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5385 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5386 * configure.in: Remove --enable-libstdcxx_v3 support.
5387 * configure: Regenerated.
5389 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5391 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5392 Call abort instead of fatal.
5393 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5394 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5395 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5396 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5397 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5398 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5400 * diagnostic.h (set_internal_error_function): Renamed.
5401 * toplev.h (internal_error): Renamed from fatal.
5402 (pfatal_with_name): Deleted.
5403 (fatal_io_error): Now has printf-style arguments.
5404 * diagnostic.c (pfatal_with_name): Deleted.
5405 (fatal_io_error): Rework to have args in printf-style.
5406 (set_internal_error_function): Renamed from set_fatal_function.
5407 (internal_error): Renamed from fatal.
5408 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5409 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5410 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5411 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5412 * flow.c (verify_flow_info): Likewise.
5413 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5414 * config/mips/mips.c (save_restore_insns): Likewise.
5416 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5417 * flow.c (verify_flow_info): Likewise.
5418 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5419 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5420 (avr_normalize_condition): Likewise.
5421 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5422 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5423 (limit_reload_class, double_reg_to_memory): Likewise.
5424 (print_operand_address, emit_1600_code_shift): Likewise.
5425 (gen_tst_reg, gen_compare_reg): Likewise.
5426 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5427 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5429 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5431 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5432 * objc/objc-act.c (build_ivar_chain): Likewise.
5433 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5435 * graph.c (clean_graph_dump_file): Likewise.
5436 * profile.c (init_branch_prob): Likewise.
5437 * objc/objc-act.c (objc_init): Likewise.
5439 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5440 * config/avr/avr.c (avr_override_options): Likewise.
5441 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5442 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5443 * config/h8300/h8300.c (h8300_init_once): Likewise.
5444 * config/mips/mips.c (override_options): Likewise.
5445 * config/i386/i386.c (override_options): Likewise, rework.
5446 * config/m68k/m68k.c (override_options): Likewise.
5448 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5450 * config/mips/mips.c (print_operand): Likewise.
5451 * hash.c (hash_allocate): Don't check for failure returns from
5452 obstack functions that can't fail.
5453 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5454 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5455 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5456 (get_object_reference): Likewise.
5458 2001-02-04 Nick Clifton <nickc@redhat.com>
5460 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5461 StrongARM1110, 10TDMI, and 1020T.
5463 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5465 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5467 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5469 * config/sh/sh.md (movdf load split): Pass register number to
5470 FP_OR_XD_REGISTER_P.
5472 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5474 * cppinit.c (BC): New macro.
5475 (builtin_array): Add __GXX_WEAK__.
5476 * cpplib.h (builtin_type): Add BT_WEAK.
5477 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5478 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5479 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5481 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5483 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5485 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5487 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5488 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5490 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5492 * cpphash.h: Rename ALIGN _ALIGN.
5493 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5495 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5497 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5498 compilation environment.
5499 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5500 control over location of cygwin includes and libs.
5502 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5504 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5506 2001-02-02 lars brinkhoff <lars@nocrew.org>
5508 * md.texi (Standard Names): remove reference to spur.md.
5510 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5512 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5513 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5514 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5515 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5516 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5518 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5520 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5521 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5522 number before reload.
5523 (c4x_adjust_cost): Return zero before reload.
5524 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5525 split before reload.
5527 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5529 * c4x.c (c4x_hard_regno_rename_ok): New.
5530 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5531 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5533 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5535 * diagnostic.h: Add missing "extern" in all declarations.
5537 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5539 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5540 as for gcc_gxx_include_dir.
5542 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5544 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5546 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5548 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5549 label before alignment to be used as the braf base address.
5550 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5552 (casesi_jump_2): Require at least TARGET_SH2.
5554 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5555 truncation to 32-bit doubles on -m3e and -m4-single-only.
5557 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5559 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5560 the default when building a shared object.
5561 (init_spec): Use it.
5562 * testsuite/lib/g++.exp: Include the directory where libgcc
5563 is located to the LD_LIBRARY_PATH list.
5564 * invoke.texi (-shared-libgcc): Document the cases in which
5565 GCC defaults to using the shared libgcc.
5567 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5569 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5570 unsigned is wide enough.
5572 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5573 (si_to_float): Likewise.
5574 (float_to_si, float_to_usi): Use BITS_PER_SI.
5576 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5578 * dwarf2out.c: Added explanation of abbreviations.
5579 (def_cfa_1): Added comments listing DWARF2 instructions.
5580 (cfa_temp_reg): Removed in favor of cfa_temp.
5581 (cfa_temp_value): Removed in favor of cfa_temp.
5582 (cfa_temp): New global variable.
5583 (dwarf2out_frame_debug_expr): Added extensive introductory
5584 comments explaining the function's transformations. Revised to
5585 use cfa_temp. Added some rtx checking. Generalize IOR case.
5586 (dwarf2out_frame_debug): Revised to use cfa_temp.
5587 (output_aranges): Cast as "unsigned" to avoid warning.
5588 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5589 explain which instructions must be marked.
5591 2001-02-01 Richard Henderson <rth@redhat.com>
5593 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5596 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5598 * config/sh/crt1.asm (main_k): Modified so that start calls
5599 ___setup_argv_and_call_main.
5601 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5603 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5604 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5605 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5606 * cppmacro.c (builtin_macro): Set builtin flags here.
5607 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5608 (replace_args): Clarify intent.
5609 (cpp_get_token): Macro expansion tokens get the saved flags.
5611 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5614 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5616 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5619 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5621 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5622 returns Pmode pseudo, but we need ptr_mode.
5623 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5624 Remove bogus conversions; use HOST_WIDE_INT for size.
5625 Don't use TARGET if wrong mode.
5627 * config/i386/i386.c (ix86_compute_frame_size): Allow
5628 stack_alignment_needed to be non-default even if size is zero.
5630 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5632 * pa.c (hppa_init_pic_save): New function.
5633 * pa.h (hppa_init_pic_save): Declare.
5634 * pa.md (call, call_value, sibcall, sibcall_value): Use
5635 the above instead of duplicated code.
5637 * pa.c (hppa_encode_label): Correct size of alloca buffer
5638 so we don't overrun it. Correct leading `*' case.
5639 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5640 need to handle `*@'.
5641 (FUNCTION_NAME_P): Likewise.
5643 2001-01-31 Richard Henderson <rth@redhat.com>
5645 * config.gcc (alpha-osf5): Use float-i128.h.
5647 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5648 * config/float-i32.h: Likewise.
5649 * config/float-i64.h: Likewise.
5650 * config/float-sh.h: Likewise.
5651 * config/float-sparc.h: Likewise.
5653 2001-01-31 DJ Delorie <dj@redhat.com>
5655 * expmed.c (extract_bit_field): allow non-integral modes if we
5656 want to extract a whole register from itself.
5658 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5660 * c-typeck.c (set_init_index): If first is equal to last, assume as
5661 if it was not a range at all.
5663 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5665 * config/fp-bit.c: Include tm.h.
5666 (float_to_si): Don't assume SImode is 32-bits wide.
5667 (float_to_usi): Likewise.
5669 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5671 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5673 (typename): Call pending_xref_error after parsing typed_typespecs.
5674 * c-decl.c (lookup_tag): Give error immediately rather than
5675 leaving it pending if the tag of the wrong type is in the same
5677 (xref_tag): Don't pedwarn for forward declarations of enum types
5679 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5682 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5684 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5686 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5688 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5689 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5691 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5693 * cpphash.h (struct cpp_reader): New saved_flags.
5694 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5695 to avoid a paste after a pasted token.
5697 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5699 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5700 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5701 Wtype_MIN instead of LONG_MIN.
5703 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5705 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5707 * fixinc/fixincl.x: Regenerated.
5708 * fixinc/inclhack.def (irix_limits_const): New definition to
5709 convert "const" to "__const" in limits.h.
5711 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5713 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5715 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5717 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5718 when register dies in the insn.
5720 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5722 * diagnostic.c (fatal): Fix word wrap.
5724 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5726 * combine.c (try_combine): Fix SUBREG setting for
5727 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5729 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5731 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5734 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5736 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5738 * toplev.c (decode_W_option): Update warn_larger_than
5739 unconditionally for each processed switch.
5741 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5743 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5745 (hppa_expand_prologue): Delete code to save pic offset table register
5746 in the function prologue.
5747 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5748 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5749 table register at the beginning of the function after the prologue.
5751 2001-01-29 lars brinkhoff <lars@nocrew.org>
5753 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5755 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5756 Jeff Law <law@redhat.com>
5758 * pa.md (return): Revise comment for trivial return.
5759 (return_internal): Non-trivial return pattern for non-PIC code.
5760 (return_internal_pic): Non-trivial return pattern for PIC code.
5761 It uses the PIC register to ensure it is restored after
5763 (epilogue): Generate appropriate return for PIC and non-PIC code.
5765 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5767 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5769 2001-01-29 DJ Delorie <dj@redhat.com>
5771 * combine.c (if_then_else_cond): Pass the correct mode to
5772 operand_subword() for constants.
5774 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5776 * config/i386/cygwin.h: Add w32api to include search. Search different
5777 directories in a cross-build environment.
5779 2001-11-29 Tim Josling <tej@melbpc.org.au>
5781 * tree.h (TYPE_STUB_DECL): Add documentation.
5783 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5785 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5786 (sdbout_field_types): Likwise. Fix use of host_integerp.
5788 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5790 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5793 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5795 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5796 to use flag_gnu_linker.
5798 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5800 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5801 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5803 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5805 * tree.c, tree.h (build_parse_node): Remove; was identical to
5807 * c-lang.c (start_cdtor), objc/objc-act.c
5808 (build_module_descriptor): Use build_nt instead of
5811 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5813 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5814 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5815 not have any upper bits set.
5817 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5819 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5821 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5823 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5825 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5827 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5828 (integer_minus_one_node): Define.
5830 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5832 * Makefile.in (bootstrap2-lean): Fix typo.
5834 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5836 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5837 : Don't set fe_value.
5838 * cpplib.h (AVOID_LPASTE): New flag.
5839 (struct cpp_hashnode): Remove fe_value.
5840 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5841 * cppmacro.c (builtin_macro): Don't set flags here.
5842 (replace_args): Set AVOID_LPASTE flag on first token of an
5843 argument, and the token following it.
5844 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5845 macro expansion, and on the token following it. Do it for
5847 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5849 2001-01-27 Richard Henderson <rth@redhat.com>
5851 * config/alpha/t-ieee: Remove multilibbing.
5852 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5854 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5856 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5858 * Makefile.in: Remove all dependencies on defaults.h.
5859 * builtins.c: Don't include defaults.h.
5860 * c-common.c: Likewise.
5861 * c-decl.c: Likewise.
5862 * c-pragma.c: Likewise.
5863 * c-typeck.c: Likewise.
5864 * combine.c: Likewise.
5866 * frame-ia64.c: Likewise.
5867 * cppexp.c: Likewise.
5868 * crtstuff.c: Likewise.
5869 * dbxout.c: Likewise.
5870 * dwarf2out.c: Likewise.
5871 * dwarfout.c: Likewise.
5872 * emit-rtl.c: Likewise.
5873 * except.c: Likewise.
5875 * final.c: Likewise.
5876 * frame-dwarf2.c: Likewise.
5877 * libgcc2.c: Likewise.
5878 * optabs.c: Likewise.
5879 * profile.c: Likewise.
5880 * sdbout.c: Likewise.
5881 * toplev.c: Likewise.
5882 * tradcif.y: Likewise.
5884 * varasm.c: Likewise.
5886 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5888 * builtins.c (expand_builtin_fputs): Use size_one_node when
5889 transforming into fwrite.
5891 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5893 * extend.texi (Attribute Syntax): New section.
5895 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5897 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5898 they didn't need fixing.
5900 2001-01-27 Janis Johnson <janis@us.ibm.com>
5902 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5904 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5905 to remove macro definitions that are duplicated from elfos.h.
5907 2001-01-27 Richard Henderson <rth@redhat.com>
5909 * config/i386/sco5gas.h: Move ...
5910 * config/usegas.h: ... here.
5911 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5913 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5915 * c-typeck.c (struct constructor_stack): Add range_stack member.
5916 (really_start_incremental_init): Clear it.
5917 (push_init_level): Save constructor_range_stack and clear it if
5918 pushing explicit braces.
5919 (pop_init_level): abort if constructor_range_stack is non-zero at
5920 explicit closing brace. Restore saved constructor_range_stack if
5923 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5925 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5926 into register was forced into memory.
5928 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5930 * Makefile.in: Remove uses of + before $(MAKE).
5932 2001-01-26 Richard Henderson <rth@redhat.com>
5934 * stmt.c (cost_table): Remove.
5935 (COST_TABLE, cost_table_initialized): New.
5936 (estimate_case_costs): Use the later instead of the former.
5937 (balance_case_nodes): Likewise.
5939 2001-01-26 Richard Henderson <rth@redhat.com>
5941 * alias.c (objects_must_conflict_p): Read-only slots may not
5942 conflict despite having the same type.
5944 2001-01-27 Michael Hayes <mhayes@redhat.com>
5946 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5948 (check_ext_dependant_givs): Initialise u_start_val and
5950 (load_mems): Make last_max_reg unsigned.
5951 (try_swap_copy_prop): Use INSN_P and initialise set.
5953 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5955 * README.AVR : Removed.
5957 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5959 * pa-64.h (text_section): Remove declaration.
5961 * pa.md (return_internal): Remove mode on PIC register use.
5963 2001-01-25 lars brinkhoff <lars@nocrew.org>
5965 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5966 ASM_CLOSE_PAREN): fix typos.
5968 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5970 * acconfig.h: Define `const' to the empty string if neither
5971 __STDC__ nor __cplusplus is defined.
5972 * config.in: Regenerated.
5974 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5976 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5977 * collect2.c (main): Delete importf. Add ".obj" file extension.
5978 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5979 (aix_std_libs): Add additional AIX libraries to skip.
5980 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5981 * config/rs6000/aix51.h: New file.
5983 2001-01-25 Michael Hayes <mhayes@redhat.com>
5985 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5986 (loop_insn_emit_before): No longer static.
5987 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5988 (loop_givs_rescan, load_mems): Likewise.
5989 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5990 (maybe_eliminate_biv_1):
5991 (move_movables): Replace emit_call_insn_before with
5992 loop_call_insn_hoist.
5993 * loop.h (loop_insn_emit_before): Add.
5994 * unroll.c (copy_loop_body): Replace emit_insn_before with
5995 loop_insn_emit_before.
5997 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5999 * diagnostic.c (fatal): Request preprocessed source.
6001 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6003 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6004 olddecl has argument types and newdecl has none, use the argument
6007 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6009 * dwarf2out.c (prefix_of): New function. Determine longest common
6010 prefix of the two arguments. The units are whole path components.
6011 (output_file_names): When adding a new directory find the one entry
6012 with the longest common prefix already in the list. Artificially
6013 generate entry if there is none for this prefix.
6014 Fix test to check whether the zeroth directory entry is used.
6016 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6018 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6019 Changed all callers. Take it into account when deciding if a
6020 previously loaded value matches.
6022 2001-01-24 Richard Henderson <rth@redhat.com>
6024 * reload.c (find_reloads_subreg_address): Fail the substitution
6025 if the resulting address is insufficiently aligned.
6027 2001-01-24 DJ Delorie <dj@redhat.com>
6029 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6030 check the original operand's mode also.
6031 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6033 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6035 * c-parse.in (cast_expr): Move compound literals from here ...
6036 (primary): ... to here. Use standard terminology "compound
6037 literal" instead of "constructor expression".
6039 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6041 * gcc.1, cpp.1: Regenerate.
6043 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6045 * calls.c (emit_library_call_value_1): Memory slot for
6046 pass-by-reference argument should have the mode of the argument,
6047 not of the pointer to it.
6049 2001-01-24 Tom Tromey <tromey@redhat.com>
6051 * gcc.texi (G++ and GCC): Mention gcj manual.
6052 (Standards): Link to section of manual mentioning gcj/Java
6055 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6057 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6058 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6059 * tradcpp.c (main): Add -imacros or -include'd dependencies
6061 * cpp.texi (-M, -MM): Document -M -include behaviour.
6063 2001-01-24 Roger Collins <roger@ProProject.com>
6065 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6067 2001-01-24 Will Cohen <wcohen@redhat.com>
6069 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6070 whether registers are 32 bits or 64 bits in size.
6072 2001-01-24 Ben Elliston <bje@redhat.com>
6074 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6076 2001-01-24 Richard Henderson <rth@redhat.com>
6078 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6079 (builtin_longjmp): Use it instead of emit_indirect_jump.
6081 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6083 * bb-reorder.c (make_reorder_chain_1): Handle case where
6084 jump edge goes to the same block as the fallthru edge.
6086 2001-01-23 Jim Wilson <wilson@redhat.com>
6088 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6089 * frame.h (__ia64_personality_v1): Add prototype.
6090 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6091 prototype form. Add void * cast to first argument to personality
6093 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6094 (asctoe113): Likewise.
6095 * config/ia64/frame-ia64.c: Include eh-common.h.
6096 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6098 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6100 (itanium_split_issue): Add prototype.
6101 (gen_nop_type): Ifdef out.
6102 (find_best_packet): Initialize best_packet.
6103 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6105 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6106 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6107 (flushrs): Add explicit stop bit at end.
6108 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6111 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6113 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6115 * libgcc2.c (__terminate_func): Make variable static.
6116 (__terminate_set_func): New function to set __terminate_func.
6117 * libgcc2.h (__terminate_func_ptr): New typedef.
6118 (__terminate_set_func): New function.
6120 2001-01-23 Richard Henderson <rth@redhat.com>
6122 * flow.c (init_propagate_block_info): Don't consider unchanging
6123 memories for dead frame store elimination.
6125 2001-01-23 Richard Henderson <rth@redhat.com>
6127 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6128 * defaults.h: ... here.
6130 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6132 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6134 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6136 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6138 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6140 * rs6000.h (rs6000_return_addr): Move prototype from here...
6141 * rs6000-protos.h (rs6000_return_addr): ...to here.
6142 (rs6000_init_expanders): Delete prototype.
6144 2001-01-23 Nick Clifton <nickc@redhat.com>
6146 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6147 (Spec Files): Document %B and %j and %. and %v3 and %M and
6148 %{S*&T} spec switches.
6150 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6152 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6154 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6155 Neil Booth <neil@daikokuya.demon.co.uk>
6157 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6158 Have -Werror make pedantic warnings errors, like the
6161 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6163 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6165 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6167 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6168 * integrate.c (expand_inline_function): Initialize them.
6169 (subst_constants): If changing COMPARE so that both its arguments
6170 will be VOIDmode and the comparison mode will be lost, note
6171 compare_mode. Use the recorded compare_mode to optimize
6174 2001-01-23 Jason Merrill <jason@redhat.com>
6176 * dwarf2out.c (new_die): Use xcalloc.
6177 (output_die): Abort rather than emit a local reference to offset 0.
6179 2001-01-17 Andrew Haley <aph@redhat.com>
6181 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6182 of a saved register; return NULL instead.
6183 (copy_reg): Take a pointer to a source register rather than a
6185 (next_stack_level): Remember the address in the stack frame of all
6187 Use the saved register pointer array as the source of the CFA.
6188 (throw_helper): Rewrite. Unwind once rather than twice and keep
6189 track of saved registers as we go.
6191 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6193 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6194 * c4x.c (c4x_legitimize_reload_address): Remove.
6195 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6196 reload address for ldp(k) insn.
6198 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6200 * pa.md (return_internal): Add a USE of the PIC register to ensure
6201 it is restored after each call.
6202 (return expander): Corresponding changes.
6204 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6206 * rs6000.h (INIT_EXPANDERS): Delete.
6207 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6208 * rs6000.c (rs6000_override_options): Call *_machine_status from
6210 (rs6000_init_expanders): ...instead of here. Delete.
6211 (rs6000_mark_machine_status): New function.
6212 (rs6000_init_machine_status): Use xcalloc.
6213 (rs6000_return_addr): Generate RTX for the return address.
6214 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6215 (rs6000_stack_info): Use it.
6217 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6219 * gthr-win32.h: Include errno.h to get a declaration for
6220 EINVAL and _mingw.h if the target is mingw32.
6222 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6224 * cpp.texi: Correct typos.
6226 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6228 * explow.c (probe_stack_range): Ensure value passed to
6229 stack_check_libfunc is ptr_mode, not Pmode.
6231 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6233 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6234 case, don't use operand_subword to calculate a SUBREG that is
6237 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6239 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6241 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6242 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6243 valid. If not replace it by equivalent insns.
6245 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6247 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6248 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6249 (c4x_U_constraint, symbolic_address_operand): Likewise.
6250 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6252 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6253 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6254 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6255 anulling slot because of silicon bug.
6256 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6258 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6260 * cppexp.c (parse_charconst): Change `mask' type to agree
6263 2001-01-21 Richard Henderson <rth@redhat.com>
6265 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6266 pic_label_name in a linkonce section.
6268 2001-01-17 Philipp Thomas <pthomas@suse.de>
6270 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6272 * configure: Regenerate.
6274 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6276 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6277 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6279 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6281 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6282 If REVERSE nonzero then condition code in X must be reversed.
6283 (encode_section_info): Optimise if/else.
6284 (avr_function_value): Fix formatting.
6286 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6287 (difficult_branch): Likewise.
6288 (rvbranch): Likewise.
6289 (difficult_rvbranch): Likewise.
6291 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6293 * config/avr/libgcc.S: Fix comment.
6295 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6297 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6299 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6301 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6303 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6305 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6306 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6307 * configure, config.in: Regenerate.
6308 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6309 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6310 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6311 (doprint.o): New rule.
6313 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6315 * c-typeck.c (digest_init): Handle boolean types as scalars.
6317 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6319 * stmt.c (expand_return): Don't return anything if size is zero.
6320 Delete redundant assignment to BYTES.
6321 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6323 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6325 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6326 the same as the default library function names.
6327 * config/avr/avr.md: Document special characters after '%'.
6328 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6329 knowing which of the call-used registers are really clobbered.
6330 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6331 New. Both quotient and remainder from one libgcc.S call.
6332 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6333 clobber as few registers as possible.
6334 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6336 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6338 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6339 context of the top of the stack.
6341 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6343 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6344 (fixup_var_refs_insns): ...here.
6346 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6348 * function.c (fixup_var_refs_insns): Break up into
6349 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6350 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6351 [loop over hash table entries].
6352 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6353 fixup_var_refs_insns_with_hash, to match above changes.
6355 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6357 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6358 (libgcc.a): Likewise.
6359 (stmp-multilib): Likewise.
6360 (STAGE2_FLAGS_TO_PASS): Likewise.
6362 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6364 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6365 temporary if no_new_pseudos.
6367 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6369 * cppinternals.texi: Update.
6371 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6373 * arm.c (arm_init_builtins): Re-enable builtins.
6375 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6377 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6378 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6379 element to be null, and always expect an EXPR_LIST.
6380 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6381 * sched-deps.c (sched_analyze_1): Likewise.
6382 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6384 * regclass.c (max_set_parallel): New variable.
6385 (reg_scan): Take it into account in computation of max_parallel.
6386 (reg_scan_mark_refs, case SET): Compute it.
6388 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6390 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6391 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6393 2001-01-19 Jason Merrill <jason@redhat.com>
6395 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6396 for the abstract instance of an inline function.
6398 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6399 J"orn Rennecke <amylaar@redhat.com>
6401 * reload1.c (move2add_note_store): Treat all registers directly or
6402 indirectly derived from a base register as members of the same set
6404 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6405 of base register into account.
6407 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6409 * alias.c (find_base_value): Recognize TRUNCATE.
6410 (record_set): In PLUS case, invalidate if other summand is also a
6413 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6415 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6416 entry to be EXPR_LIST.
6417 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6418 be an EXPR_LIST (but not null, which other code doesn't allow).
6419 (note_stores): Properly handle PARALLEL in SET.
6420 Recursively call for top-level PARALLEL.
6421 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6422 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6424 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6426 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6428 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6429 not pfile->skipping (== 0).
6431 2001-01-17 Nick Clifton <nickc@redhat.com>
6433 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6436 2001-01-17 Jim Wilson <wilson@redhat.com>
6438 * invoke.texi (IA-64 options): Improve.
6440 2001-01-17 Tom Tromey <tromey@redhat.com>
6442 * invoke.texi (Optimize Options): Use `{}' to around @samp
6445 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6447 * invoke.texi (-fno-guess-branch-probability): New option.
6449 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6451 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6452 case of making new double-word constant.
6453 Revert last change: instead just test i3_subst_into_i2.
6455 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6457 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6458 Use q constraints instead of r.
6460 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6462 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6463 (machine_function): Define.
6464 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6465 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6466 pa_free_machine_status): New functions.
6467 (override_options): Set {init,mark,free}_machine_status to above.
6468 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6469 PIC_OFFSET_TABLE_REGNUM_SAVED.
6470 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6471 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6472 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6473 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6474 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6476 2001-01-15 DJ Delorie <dj@redhat.com>
6478 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6482 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6484 * flow.c (propagate_on_insn): Make trying to delete a prologue
6485 or epilogue insn an ICE, not a warning. Allow doing this if
6486 the current function returns with stack pointer depressed.
6488 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6489 I3 having more than one SET.
6491 2001-01-16 Jim Wilson <wilson@redhat.com>
6493 * invoke.texi: Document IA-64 options.
6495 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6496 (fixup_errata): Delete TARGET_A_STEP use.
6497 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6498 (TARGET_SWITCHES): Delete -ma-step option.
6499 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6500 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6501 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6502 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6503 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6504 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6506 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6507 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6508 cmovsi_internal): Delete ! TARGET_A_STEP check.
6510 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6512 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6513 possibility to report bugs via postal mail. Change a URL and
6514 merge in a nearly duplicate statement...
6515 (Bug Reporting): ...from here.
6516 (Service): Refer to the Bug Reporting section instead of
6518 (Contributing): Remove trivial explanations concerning snapshots.
6520 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6522 * cppmain.c (general_init): Don't use ANSI prototype.
6524 2001-01-16 Tom Tromey <tromey@redhat.com>
6526 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6528 2001-01-16 Richard Henderson <rth@redhat.com>
6530 * config/i386/i386.h: Fix comment typo.
6531 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6532 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6534 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6536 * gcc.c: Revert previous -fsyntax-only-related change; move
6539 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6541 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6542 inmode after checking GET_CODE (op).
6544 2001-01-16 Richard Henderson <rth@redhat.com>
6546 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6547 (MAX_MEM_SET_LIST_LEN): New.
6548 (propagate_one_insn): Update mem_set_list_len.
6549 (invalidate_mems_from_autoinc): Likewise.
6550 (invalidate_mems_from_set): Likewise.
6551 (mark_used_regs): Likewise.
6552 (init_propagate_block_info): Likewise. Stop collecting memories
6553 when we reach MAX_MEM_SET_LIST_LEN.
6554 (mark_set_1): Likewise.
6556 2001-01-16 Richard Henderson <rth@redhat.com>
6558 * unroll.c (precondition_loop_p): Fail if no iteration
6561 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6563 * gcc.c: When -fsyntax-only is given, do not complain about
6566 2001-01-15 Richard Henderson <rth@redhat.com>
6568 * config/i386/i386.c (asm_output_function_prefix): Remove.
6569 (ix86_asm_file_end): New.
6570 (load_pic_register): Generate pic_label_name into a
6571 staticly allocated buffer.
6572 * config/i386/i386-protos.h: Update.
6573 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6574 (ASM_FILE_END): New.
6575 * config/i386/i386afe.h: New file.
6576 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6577 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6578 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6579 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6580 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6581 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6582 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6584 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6586 * Makefile.in (install-man): Remove explicit dependency on
6589 * configure.in, configure: Revert previous patch requiring perl
6592 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6594 * toplev.c (flag_guess_branch_prob): New.
6595 (f_options): Add guess-branch-probability option.
6596 (rest_of_decl_compilation): Only estimate branch probability if
6598 (main): set flag_guess_branch_prob.
6600 * flags.h (flag_guess_branch_prob): New.
6602 2001-01-15 DJ Delorie <dj@redhat.com>
6604 * gcc.texi (Makefile): Add documentation for Makefile targets.
6606 2001-01-15 Philip Blundell <philb@gnu.org>
6608 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6610 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6611 (is_pic): Delete declaration.
6612 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6613 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6614 * config/arm/arm.md (builtin_setjmp_receiver): New.
6616 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6618 * arm.c (use_return_insn): Don't try to determine the function type
6619 until after reload has completed.
6620 (arm_output_epilogue): Don't adjust the sp value recovered from the
6622 (emit_multi_reg_push): Don't record dwarf information for the pc.
6623 * arm.md (eh_epilogue): The function type may have changed, so it
6624 needs to be recalculated.
6625 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6626 unwind tables on arm/netbsd.
6628 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6630 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6631 (negated_cbranchsi4): Likewise.
6633 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6635 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6636 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6637 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6638 pass -mapcs-* options to assembler.
6639 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6640 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6641 (ASM_SPEC): Call subtarget_extra_asm_spec.
6643 2001-01-15 Andreas Jaeger <aj@suse.de>
6645 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6647 (ix86_expand_builtin): Likewise.
6649 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6650 warning about comparison between signed and unsigned.
6652 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6654 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6656 2001-01-14 Ralf Baechle <ralf@gnu.org>
6658 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6659 SUBTARGET_CPP_SPEC apropriatly.
6661 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6663 * varasm.c (make_decl_rtl): Fix typo in last change.
6665 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6667 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6668 linker supports the init_priority C++ attribute.
6669 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6670 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6671 linker does not support init_priority C++ attribute.
6673 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6675 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6677 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6679 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6680 * cp/lex.c (finish_parse): Similarly.
6681 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6682 Return the number of errors encountered.
6683 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6684 * cppmain.c (main): Don't call cpp_destroy.
6686 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6688 * configure.in: Require at least perl 5.6.0 to regenerate
6690 * configure: Regenerate.
6692 2001-01-14 Richard Henderson <rth@redhat.com>
6694 * genrecog.c (DT_veclen_ge): New.
6695 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6696 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6697 (nodes_identical_1): Handle DT_veclen_ge.
6698 (write_cond, debug_decision_2): Likewise.
6700 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6702 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6704 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6706 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6708 * cppmain.c (do_preprocessing): New function; most of the old
6710 (main): Call it to do most of the work.
6711 (cb): Move from global scope to set_callbacks ().
6712 (setup_callbacks): Get the callback pointer.
6713 (general_init, printer_init): Clean up code and comments.
6715 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6717 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6720 2001-01-14 Kazu Hirata <kazu@hxi.com>
6722 * config/h8300/h8300.c (get_shift_alg): Update comments.
6724 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6726 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6727 (alloc_page, ggc_alloc): Add casts to remove warnings.
6729 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6731 * combine.c (simplify_comparison): Don't change `code' when
6732 can't reverse comparison.
6734 2001-01-14 Richard Henderson <rth@redhat.com>
6736 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6737 update all call sites. Return true for all non-label constants.
6739 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6741 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6743 (ix86_expand_branch): Update.
6744 (ix86_expand_setcc): Update to handle multiple test conditions.
6745 (expand_int_movcc): Likewise.
6746 (expand_fp_movcc): Likewise.
6747 * i386-protos.h (ix86_expand_compare): New.
6748 * i386.md (andqi_?_slp, orqi_?_slp): New.
6749 (conditional trap expander): Update call to ix86_expand_compare.
6751 2001-01-14 Richard Henderson <rth@redhat.com>
6753 * config/vax/vax.md: Use nonimmediate_operand instead of
6754 general_operand in destinations.
6756 * config/vax/vax.md (indirect_jump): Use register_operand.
6758 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6759 * config/vax/vax.md (call_pop): Turn into an expander.
6760 (call_value_pop): Likewise.
6761 (call, call_value): New.
6763 2001-01-14 Andreas Jaeger <aj@suse.de>
6765 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6767 (ix86_fp_compare_mode): Add unused attribute.
6768 (ix86_expand_fp_movcc): Remove unused variable.
6769 (ix86_expand_builtin): Make fcode unsigned.
6771 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6772 (expand_expr): Add cast to avoid signed warning.
6773 (store_field): Likewise.
6774 (store_constructor_field): Likewise.
6775 (store_constructor): Likewise.
6776 (store_expr): Likewise.
6777 (clear_storage): Likewise.
6778 (emit_group_store): Likewise.
6779 (emit_group_load): Likewise.
6781 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6783 * c-common.c: Move format checking code to ...
6784 * c-format.c: ... here. New file. Reorder some functions and
6786 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6788 * c-common.h (decl_handle_format_attribute,
6789 decl_handle_format_arg_attribute): Declare.
6790 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6791 (c-common.o): Adjust dependencies.
6792 (c-format.o): New list of dependencies.
6794 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6796 * unroll.c (loop_iterations): If we cannot prove iteration variable
6797 is set once in each iteration, punt.
6799 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6801 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6802 (*strlenhi): Remove clobber (which was buggy) of output address.
6804 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6806 * Makefile.in (generated-manpages): Add gcc.1
6807 ($(srcdir)/gcc.1): New target.
6808 (maintainer-clean): Delete $(srcdir)/gcc.1.
6809 * gcc.texi: Add macros @gccoptlist and @gol.
6810 * invoke.texi: Include option summary in manpage. Mark up option
6811 summary with @gccoptlist and @gol. Use @r in one place where
6813 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6814 * gcc.1: Generate from invoke.texi.
6816 2001-01-13 Richard Henderson <rth@redhat.com>
6818 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6819 (struct page_entry): Add group member.
6820 (struct page_group): New.
6821 (struct globals): Add page_groups member.
6822 (alloc_anon): Only define for using mmap; remove valloc call.
6823 (page_group_index): New.
6824 (set_page_group_in_use): New.
6825 (clear_page_group_in_use): New.
6826 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6827 (free_page, release_pages): Likewise.
6828 * configure.in (with-gc): Default to ggc-page always.
6830 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6832 * reload1.c (replace_pseudos_in_call_usage): Use
6833 reg_equiv_constant and reg_equiv_address, and don't try
6834 regno_reg_rtx first.
6836 2001-01-13 Richard Henderson <rth@redhat.com>
6838 * ggc-page.c (alloc_page): Round up allocation size to one page.
6839 Set e->order on extra pages.
6841 2001-01-13 Richard Henderson <rth@redhat.com>
6843 * genrecog.c (nodes_identical): Expand commentary.
6844 (write_switch): Watch out for identical nodes.
6846 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6848 * cppfiles.c (_cpp_fake_include): New function.
6849 * cpphash.h (_cpp_fake_include): New.
6850 * cpplib.c (do_line): Call _cpp_fake_include when entering
6851 header files in preprocessed input.
6852 * cppmain.c (cb_pragma_implementation): Remove handling.
6853 (setup_callbacks): Don't register pragmas.
6855 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6857 * extend.texi: Udate for CPP.
6859 2001-01-13 Andreas Jaeger <aj@suse.de>
6861 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6863 * regmove.c: Add prototype for replace_in_call_usage.
6865 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6867 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6868 struct cpp_chunk, struct htab, struct toklist,
6869 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6870 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6871 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6872 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6873 (struct macro_args): Delete.
6874 * cpphash.h: See above.
6876 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6878 * cppmain.c (struct printer): Remove no_line_dirs.
6880 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6881 : Use options rather than CPP_OPTION.
6882 (setup_callbacks): Use cb rather than pfile->cb.
6883 (main): No need to check for a buffer. Use cpp_errors.
6884 (printer_init): Don't set no_line_dirs.
6885 (maybe_print_line): Use options not no_line_dirs.
6886 (cb_file_change): Don't call print_line if -P.
6888 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6890 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6892 * c-parse.in (finish_parse): Use cpp_errors.
6893 (__yylex): Use return value of cpp_pop_buffer.
6894 * cp/lex.c (finish_parse): Use cpp_errors.
6895 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6897 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6899 * README.AVR: URLs corrected.
6901 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6903 * c-decl.c (start_function): Don't warn if old prototype is builtin
6904 that's not in C's namespace.
6905 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6906 (_bb): Add prototype for ctime.
6907 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6909 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6911 * i386.c (ix86_fp_comparison_arithmetics_cost,
6912 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6913 ix86_fp_comparison_cost): New functions.
6914 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6915 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6916 two-branch sequences; make static.
6917 (ix86_use_fcomi_compare): Do decision according to the costs.
6918 (split_fp_branch): New.
6919 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6920 * i386-protos.h (ix86_expand_fp_compare): Remove
6921 (ix86_split_fp_branch): Declare.
6923 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6924 and ix86_comparison_operator.
6926 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6929 * i386.c (put_condition_code): Output properly the unordered/ordered
6930 compares in fp case.
6931 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6933 * tm.texi (REVERSE_CONDITION): Document.
6934 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6935 in -ffast-math mode.
6936 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6938 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6940 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6942 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6945 * config/sh/sh.c (mova_p): Fix test for mova_const.
6947 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6949 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6950 cpp_get_options rather than dereferencing pfile and using
6952 * scan-decls.c (scan_decls): Use return value of
6953 cpp_pop_buffer rather than CPP_BUFFER.
6955 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6957 * cppinit.c (cpp_handle_option): help_only is now part of the
6958 cpp_options structure.
6959 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6960 cpp_set_callbacks): New functions.
6961 * cpplib.h (cpp_callbacks): Break out as a named structure.
6962 (cpp_options): Move help_only here from cpp_reader.
6963 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6964 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6965 cpp_set_callbacks): New prototypes.
6966 * cppmain.c (main): Update for help_only.
6968 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6970 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6971 Also build and remove and install and uninstall c-tree.info and
6973 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6974 ($(srcdir)/cppinternals.info): New target.
6975 * c-tree.texi: Change file name used when makeinfo used without -o
6976 from ir.info to c-tree.info. Add info directory entry.
6977 * cppinternals.texi: Add info directory entry.
6978 * .cvsignore: Update.
6980 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6982 * c-typeck.c (store_init_value): Don't require constant initializer
6983 elements with -pedantic -std=c99.
6984 (digest_init): Change error about non-constant initializer elements
6986 (constructor_range_end): Remove.
6987 (constructor_incremental, designator_depth,
6988 designator_errorneous): New variables.
6989 (struct constructor_stack): Remove range_end, add incremental.
6990 (struct constructor_range_stack, constructor_range_stack): New.
6991 (struct initializer_stack): Add constructor_range_stack.
6992 (finish_init): Set it.
6993 (start_init): Likewise. require_constant_elements for non-static
6994 trees only if not flag_isoc99.
6995 (really_start_incremental_init): Remove constructor_range_end, add
6996 constructor_incremental.
6997 (pop_init_level): Likewise.
6998 (push_init_level): Likewise. If implicit and the subobject had some
6999 value set already, preinitialize the level with it.
7000 Warn about missing braces only if not pushing due to designators.
7001 (set_designator, push_range_stack): New functions.
7002 (set_init_label): Use them.
7003 (set_init_index): Likewise. Remove constructor_range_end.
7004 Error if designator index is outside of array bounds.
7005 (add_pending_init): Compare values of purpose index trees, not the
7006 trees themselves. Allow overwriting of already initialized element.
7007 Issue a warning if it had side-effects.
7008 (set_nonincremental_init, set_nonincremental_init_from_string): New
7010 (pending_init_member): Rename to...
7011 (find_init_member): ...this function. Call set_nonincremental_init
7012 if necessary. Compare values of purpose index trees, not the trees
7013 themselves. Return the actual value, not just non-zero if something
7015 (output_init_element): Remove checks for duplicates.
7016 If field has zero size, only check the initializer for correctness.
7017 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7018 if constructor_incremental is zero. Change error about initializers
7019 not computable at load time into pedwarn.
7020 (output_pending_init_elements): Compare bit positions, not
7021 FIELD_DECLs to take into account zero-sized fields.
7022 (process_init_element): Use constructor_range_stack to fill all
7023 ranges in the designator lists from current level up.
7024 * extend.texi: Update documentation for labeled elements.
7026 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7028 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7029 to function usage for arguments passed by reference. Optimize
7030 callee-copied arguments.
7031 * regmove.c (replace_in_call_usage): New function.
7032 (fixup_match_1): Call it.
7033 * cse.c (cse_insn): Canonicalize registers in function usage.
7034 * reload1.c (replace_pseudos_in_call_usage): New function.
7037 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7040 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7042 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7045 2001-01-12 DJ Delorie <dj@redhat.com>
7047 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7048 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7051 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7053 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7054 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7055 -std options alongside references to -ansi. Update some
7056 documentation for C99.
7057 * cpp.1: Regenerate.
7059 2001-01-12 Andreas Jaeger <aj@suse.de>
7061 * haifa-sched.c (restore_line_notes): Remove argument block B
7063 * sched-ebb.c (schedule_ebb): Change caller.
7064 * sched-rgn.c (schedule_region): Likewise.
7065 * sched-int.h (restore_line_notes): Adjust prototype.
7067 * loop.h: Remove wrong declaration of doloop_condition_get.
7069 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7071 * extend.texi: Move C++-extension-related node from the C section
7072 into the C++ section.
7074 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7076 * extend.texi: Refer to an array of pointers to functions instead
7077 of one of functions.
7079 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7080 Jan Hubicka <jh@suse.cz>
7082 * combine.c (reversed_comparison): Fix typo in last patch.
7084 (combine_reversed_comparison_code): Make static to follow
7085 prototype declaration.
7087 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7089 * install.texi: Remove misplaced duplicate entry.
7091 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7093 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7095 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7097 * final.c: (leaf_function_p): Fix typo.
7099 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7101 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7102 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7104 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7105 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7106 mmap_anon, and valloc is available.
7107 * ggc-page.c: Restructure ifdef logic to match new autoconf
7108 spec. Don't throw away the test page in init_ggc.
7110 * configure, config.in: Regenerate.
7112 2001-01-12 Michael Hayes <mhayes@redhat.com>
7114 * loop.h (total_biv_increment): Constify iv_class pointer.
7115 (struct induction): Replace `mem_mode' with `mem' rtx.
7116 * unroll.c (total_biv_increment): Constify iv_class pointer.
7117 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7118 (find_mem_givs, combine_givs_p): Likewise.
7119 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7121 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7123 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7125 (__gthread_getspecific): Ditto.
7127 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7129 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7130 put_condition_code): Convert fp comparison codes to integer
7132 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7135 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7136 * i386-protos.h (no_comparison_operator): Kill.
7138 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7140 * combine.c (REVERSIBLE_CC_MODE): Remove.
7141 (reversible_comparison_p): Remove.
7142 (combine_reversed_comparison_code): New.
7143 (reversed_comparison): New.
7144 (combine_simplify_rtx): Use
7145 combine_reversed_comparison_code/reversed_comparison instead
7146 of reversible_comparison_p.
7147 (simplify_if_then_else): Likewise.
7148 (simplify_set): Likewise.
7149 (simplify_logical): Likewise.
7150 (if_then_else_cond): Likewise.
7151 (known_cond): Likewise.
7152 (simplify_comparison): Likewise.
7154 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7156 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7157 sizeof (int) is larger than sizeof(__word__).
7159 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7161 * cppinit.c (do_includes): Fix typo.
7163 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7165 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7166 in S_REGS does not occur because not all sources are possible
7167 when a S_REGS is a destination (sometimes needs a clobber).
7168 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7169 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7170 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7171 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7172 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7173 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7174 (lshrdi_const1, lshrsi3_const16): Likewise.
7175 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7176 (*movhi_68hc12, *movqi_68hc12): Likewise.
7177 (movstrictqi): Make sure reloading in D_REGS as a destination
7180 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7182 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7184 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7186 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7187 -D, -U and -A, and don't initialize the builtins.
7188 (do_includes): Error if -include or -imacros with -fpreprocessed.
7189 * cppmain.c (cb_define, cb_undef): Unconditionally process
7191 * tradcpp.c (main): Fix typo.
7193 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7195 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7196 (read_name_map): Use IS_ABSOLUTE_PATH.
7197 * tradcpp.c (get_filename): Likewise.
7199 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7201 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7202 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7203 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7204 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7205 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7206 (cmphi_z_used): Don't use '@' for the output.
7207 (tstqi_z_used): Likewise.
7208 (cmpqi_z_used): Likewise.
7209 (one_cmplsi2): Likewise.
7211 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7213 * config/sh/sh.c (barrier_align): Recognize branch around far
7214 branch and redundant insn.
7216 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7218 * invoke.texi: Restore documentation of the drivers' switches -MD
7221 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7223 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7225 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7226 check-objc//%): Support parallel testing of multilibs.
7227 (TESTSUITEDIR): Set to testsuite by default, but override for
7229 (check-gcc, check-g++, check-g77, check-objc): Enter
7232 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7234 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7235 * sched-deps.c (deps_may_trap_p): Likewise.
7236 * basic-block.h: Remove a comment.
7237 * flow.c (PROP_POSTRELOAD): Remove.
7238 (update_life_info): Don't add it to prop_flags.
7239 (mark_set_1): Lose the code that was enabled by it.
7241 2001-01-11 Michael Hayes <mhayes@redhat.com>
7243 * flow.c (flow_call_edges_add): New.
7244 * basic_block.h (flow_call_edges_add): New.
7246 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7248 * reload1.c (move2add_note_store): Update reg_set_luid even if
7249 base reg remains the same.
7251 2001-01-10 Nick Clifton <nickc@redhat.com>
7253 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7254 machine_function structure to zero.
7255 Add prototypes for machine_status functions.
7257 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7259 * c-common.h (CTI_VOID_LIST): Remove.
7260 (void_list_node): Likewise.
7261 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7262 (void_list_node): New macro.
7263 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7264 * config/i386/i386.c (ix86_init_builtins): Likewise.
7265 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7267 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7269 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7270 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7272 * tradcpp.c: Include mkdeps.h.
7273 (deps, print_deps_phony_targets, deps_append, output_deps,
7274 init_dependency_output, output_deps): New.
7275 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7276 deps_output): Delete.
7277 (print_deps_missing_files): Rename deps_missing_files.
7278 (inhibit_output): Make global.
7279 (main): Delete inhibit_output, deps_stream, deps_target.
7280 Use mkdeps functionality in the same way as cpplib. Remove
7281 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7282 -M and -MM. Remove old handling of deps via deps_out, and
7283 old reading of environment variables.
7284 (get_filename): Update to use deps_add_dep.
7286 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7288 * output.h (make_function_rtl): Remove prototype.
7289 (make_decl_rtl): Likewise.
7290 * varasm.c (make_function_rtl): Remove.
7291 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7292 than from a third parameter.
7293 * tree.h (make_decl_rtl): Remove last parameter.
7294 * c-decl.c (builtin_function): Remove last argument in call to
7295 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7296 (start_function): Likewise.
7297 * except.c (call_get_eh_context): Likewise.
7298 * expr.c (emit_block_move): Likewise.
7299 (clear_storage): Likewise.
7300 * profile.c (output_func_start_profiler): Likewise.
7301 * toplev.c (rest_of_decl_compilation): Likewise.
7302 * objc/objc-act.c (create_builtin_decl): Likewise.
7303 (synth_module_prologue): Likewise.
7304 (generate_static_reference): Likewise.
7305 (build_selector_reference_decl): Likewise.
7306 (build_class_reference_decl): Likewise.
7307 (build_objc_string_decl): Likewise.
7308 (build_protocol_reference): Likewise.
7310 2001-01-10 Richard Henderson <rth@redhat.com>
7312 * hwint.h: Revert yesterday's change.
7314 2001-01-10 Nick Clifton <nickc@redhat.com>
7316 * function.h (save_machine_status): Delete.
7317 (restore_machine_status): Delete.
7318 Amend comment describing {init|mark|free}_machine_status.
7320 * function.c (save_machine_status): Delete.
7321 (restore_machine_status): Delete.
7322 Amend comment describing {init|mark|free}_machine_status.
7323 (push_function_context_to): Remove invocation of
7324 save_machine_status.
7325 (pop_function_context_from): Remove invocation of
7326 restore_machine_status.
7328 * emit-rtl.c (init_emit_once): Amend comment describing
7329 {init|mark|free}_machine_status.
7331 * tm.texi (Per-Function Data): New node. Describe the
7332 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7335 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7337 * cppinit.c (OPT_g): Remove.
7338 (cpp_handle_option): Update for removed -g3.
7339 (print_help): Update.
7340 * cpplib.h (struct cpp_options): Remove debug_output.
7341 * cppmain.c (setup_callbacks, cb_define): Update.
7342 * gcc.c (cpp_options): Translate -g3 to -dD.
7344 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7346 * config/i960/i960.md: Change modifier to + on the zero_extract
7347 pattern after the (rotate -2 reg) canonicalization pattern.
7349 2001-01-10 Richard Henderson <rth@redhat.com>
7351 * config/alpha/alpha.c (alpha_free_machine_status): New.
7352 (override_options): Install it.
7353 (alpha_mark_machine_status): Verify machine non-null.
7354 * config/i386/i386.c (ix86_free_machine_status): New.
7355 (override_options): Install it.
7356 (ix86_init_machine_status): Use xcalloc.
7357 (ix86_mark_machine_status): Verify machine non-null.
7358 * config/ia64/ia64.c (ia64_free_machine_status): New.
7359 (ia64_override_options): Install it.
7360 (ia64_mark_machine_status): Verify machine non-null.
7362 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7364 * function.c (instantiate_virtual_regs): Instantiate virtual
7365 registers found in CALL_INSN_FUNCTION_USAGE.
7367 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7369 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7370 equivalent to -ansi in disabling -Di386.
7372 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7374 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7376 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7378 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7380 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7382 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7384 * invoke.texi: Document that -fcond-mismatch isn't supported for
7387 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7389 * gcc.texi: Define macro gcctabopt.
7390 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7391 @command, @env and @option in some places where appropriate. Use
7392 @gcctabopt where appropriate. Put URLs and email addresses inside
7395 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7397 * gcc.c (cpp_options): Set MD file name from output
7398 filename, if specified.
7399 (suffix_subst): New static variable.
7400 (do_spec): Clear it.
7401 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7403 (give_switch): Handle suffix_subst.
7405 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7407 * invoke.texi: Fix another typo.
7409 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7411 * invoke.texi: Fix typo.
7413 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7415 * c-lang.c (lang_hooks): Update.
7416 (lang_decode_option): Remove.
7417 (lang_init_options): Rename c_init_options.
7418 * toplev.c (main): Use lang_hooks for lang_init_options
7419 and lang_decode_option.
7420 * toplev.h (lang_hooks): Add 2 new hooks.
7421 * tree.h: Remove lang_init_options and lang_decode_option.
7422 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7423 * cp/decl2.c: Similarly.
7424 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7425 (lang_hooks): Update.
7426 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7428 (lang_init_options): Rename ffe_init_options.
7429 (lang_hooks): Update.
7430 (lang_decode_option): Remove.
7431 * java/lang.c (lang_init_options): Rename java_init_options.
7432 (lang_decode_option): Rename java_decode_option.
7433 (lang_hooks): Update.
7434 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7435 (lang_decode_option): Rename objc_decode_option.
7436 (lang_hooks): Update.
7438 2001-01-09 Nick Clifton <nickc@redhat.com>
7440 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7441 (d30v_return_addr_rtx): Delete.
7442 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7443 cfun->machine structure.
7444 (struct machine_function): Move to d30v.h
7445 (d30v_save_machine_status): Delete.
7446 (d30v_restore_machine_status): Delete.
7447 (d30v_init_machine_status): New Function.
7448 (d30v_mark_machine_status): New Function.
7449 (d30v_free_machine_status): New Function.
7450 (d30v_init_expanders): Use new functions.
7451 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7452 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7453 d30v_return_addr_rtx.
7455 * config/d30v/d30v.h (struct_machine): Move here.
7456 Add eh_epilogue_sp_ofs field.
7458 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7459 field in cfun->machine structure.
7461 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7463 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7464 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7465 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7467 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7469 * objc/lang-options.h: Remove bogus reference to
7472 2001-01-09 Kazu Hirata <kazu@hxi.com>
7474 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7477 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7479 * reload.c (find_reloads_address): Check for eliminable registers
7480 when substituting a constant expression for a pseudo.
7482 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7484 * c-common.c (enum format_type): Add format_type_error.
7485 (decode_format_type): New function.
7486 (decl_attributes): Use it.
7487 (format_kind_info): Adjust comment.
7489 2001-01-09 David O'Brien <obrien@BSDi.com>
7491 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7492 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7494 * config/i386/gnu.h: Don't include required platform specific .h files,
7495 tm.h will do it instead.
7496 * config/i386/i386elf.h: Likewise.
7497 * config/i386/linux.h: Likewise.
7498 * config/i386/moss.h: Likewise.
7499 * config/mips/gnu.h: Likewise.
7501 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7503 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7504 (rs6000-ibm-aix3.[01]*): Likewise.
7505 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7506 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7507 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7508 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7509 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7510 (powerpc-*-eabiaix*): Likewise.
7511 (powerpc-*-eabisim*): Likewise.
7512 (powerpc-*-elf*): Likewise.
7513 (powerpc-*-eabi*): Likewise.
7514 (powerpc-*-rtems*): Likewise.
7515 (powerpc-*-linux*libc1): Likewise.
7516 (powerpc-*-linux*): Likewise.
7517 (powerpc-wrs-vxworks*): Likewise.
7518 (powerpcle-wrs-vxworks*): Likewise.
7519 (powerpcle-*-sysv*): Likewise.
7520 (powerpcle-*-elf*): Likewise.
7521 (powerpcle-*-eabisim*): Likewise.
7522 (powerpcle-*-eabi*): Likewise.
7523 (powerpcle-*-solaris2*): Likewise.
7524 * config/rs6000/aix31.h: Delete includes.
7525 * config/rs6000/aix3newas.h: Likewise.
7526 * config/rs6000/aix41.h: Likewise.
7527 * config/rs6000/aix43.h: Likewise.
7528 * config/rs6000/beos.h: Likewise.
7529 * config/rs6000/rtems.h: Likewise.
7530 * config/rs6000/sysv4.h: Likewise.
7532 2001-01-09 Kazu Hirata <kazu@hxi.com>
7534 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7535 Change an argument mode of machine_mode to shift_mode of
7536 shift_mode. Remove an extra error check.
7537 (emit_a_shift): Adopt to the new calling prototype of
7539 (function_prologue): Fix code for a monitor
7540 function. Support H8/S.
7541 (function_epilogue): Do not output pop for a monitor function.
7543 2001-01-09 Nick Clifton <nickc@redhat.com>
7545 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7546 (setup_incoming_varargs): Use sysv_varargs_p field of the
7547 cfun->machine structure.
7548 (struct machine_function): Move to rs6000.h
7549 (rs6000_save_machine_status): Delete.
7550 (rs6000_restore_machine_status): Delete.
7551 (rs6000_init_machine_status): New Function.
7552 (rs6000_free_machine_status): New Function.
7553 (rs6000_init_expanders): Use new functions.
7555 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7557 (struct machine_function): Move here.
7559 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7560 sysv_varargs_p field of the cfun->machine structure.
7562 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7564 (rs6000_restore_machine_status): Remove prototype.
7566 2001-01-09 Richard Henderson <rth@redhat.com>
7568 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7569 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7570 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7571 (sched_analyze_2, sched_analyze_insn): Likewise.
7572 (sched_analyze, init_deps): Likewise.
7573 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7574 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7575 (compute_block_backward_dependences): Update propagate_deps call.
7577 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7579 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7581 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7583 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7584 (cpp_handle_option): Handle them.
7585 (cpp_post_options): Ensure one of -M or -MM is specified with
7586 any other -M? option.
7587 (init_dependency_output): Suppress output with -MG.
7589 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7592 * invoke.texi: Update.
7594 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7596 * sh.md (reload_outsf): Generate recognizable patterns for
7599 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7601 * c-lang.c (lang_hooks): Update.
7602 (lang_init): Rename c_init.
7603 (lang_finish): Remove.
7604 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7606 * toplev.h (lang_hooks): Add init () and finish ().
7607 * tree.h (lang_init, lang_finish): Remove.
7608 * cp/tree.h (lang_init, lang_finish): Remove.
7609 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7610 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7612 (lang_init, lang_finish): Remove.
7613 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7614 (lang_hooks): Update.
7615 * java/lang.c (lang_init): Rename java_init.
7616 (lang_finish): Remove.
7617 (lang_hooks): Update.
7618 * objc/objc-act.c (lang_init): Rename objc_init.
7619 (lang_finish): Remove.
7620 (lang_hoooks): Update.
7622 20001-01-09 Graham Stott <grahams@redhat.com>
7624 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7625 after `ptr` is initialised.
7627 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7629 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7630 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7631 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7632 stack adjusts, instead of r3.
7634 2001-01-09 Michael Hayes <mhayes@redhat.com>
7636 * flow.c (flow_loop_scan): Break out of ...
7637 (flow_loops_find) ... here.
7638 * basic-block.h (flow_loop_scan): New.
7639 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7640 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7642 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7644 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7646 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7647 realloc()ing macro_buffer.
7649 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7650 if it's wider than long and the target's long is wider than the
7653 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7655 Remove support for using UWIN as a host machine.
7656 * configure.in: Issue an error message.
7657 * configure: Regenerated.
7658 * config.gcc: Remove xm_* UWIN configury.
7659 * config/i386/xm-uwin.h: Remove.
7661 2001-01-08 Nick Clifton <nickc@redhat.com>
7663 * config/v850/v850.c (ra_rtx): Delete.
7664 (v850_save_machine_status): Delete.
7665 (v850_restore_machine_status): Delete.
7666 (v850_init_machine_status): New function.
7667 (v850_mark_machine_status): New function.
7668 (v850_free_machine_status): New function.
7669 (v850_return_addr): Use ra_rtx field in machine structure.
7670 (v850_init_expanders): Use new functions.
7672 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7673 * config/v850/v850.c: Change arguments to v850_output+* functions
7674 to take a const char *, to avoid compile time warning.
7675 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7676 (USER_LABEL_PREFIX): Redefine.
7678 2000-01-08 Jim Wilson <wilson@redhat.com>
7680 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7681 1 to unsigned HOST_WIDE_INT before left shift.
7683 2001-01-08 Nick Clifton <nickc@redhat.com>
7685 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7686 the machine structure has been allocated.
7687 (arm_free_machine_status): New function: Free the machine
7688 specific function structure.
7690 2001-01-08 Richard Henderson <rth@redhat.com>
7692 * jump.c (simplejump_p): Revert last change.
7694 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7696 * cppinit.c (init): Rename init_library.
7697 (cpp_create_reader): Update.
7698 * gcc.c (cpp_options): If -o given, use it as the target of
7701 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7703 * arm.c (arm_arch5e): New variable.
7704 (all_cores): XScale is a 5TE device.
7705 (arm_override_options): Set arm_arch5e.
7706 (arm_init_builtins): __builtin_prefetch is in arch5e.
7707 * arm.h (arm_arch5e): Declare it.
7709 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7711 * arm.md (define_constants): Add defines for UNSPEC and
7712 UNSPEC_VOLATILE insns. Update all users.
7713 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7714 * arm.c (multi_register_push, note_invalid_constants)
7715 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7716 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7717 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7719 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7721 * jump.c (jump_optimize_1): Use reversed_comparison_code
7722 instead of can_reverse_comparison_p.
7723 (jump_back_p): Likewise.
7724 (invert_exp_1): Likewise.
7725 (thread_jumps): Likewise.
7726 * simplify-rtx.c (simplify_unary_operation): Likewise.
7727 (simplify_ternary_operation): Likewise.
7728 * cse.c (find_comparison_args): Convert to use
7729 can_reverse_comparison_p.
7730 (record_jump_equiv): Likewise.
7732 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7734 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7735 (EPILOGUE_USES): Define.
7736 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7737 automatically stack the LR if it isn't live.
7739 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7741 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7744 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7746 * ggc-page.c (max_alignment): New structure.
7747 (MAX_ALIGNMENT): New macro.
7748 (init_ggc): Use it to round up the sizes in the
7749 extra_order_size_table.
7751 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7753 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7756 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7758 * builtins.def (BUILT_IN_FPRINTF): New entry.
7760 * c-common.c (c_expand_builtin_fprintf): New function.
7761 (init_function_format_info): Handle __builtin_fprintf.
7762 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7763 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7765 * c-decl.c (duplicate_decls): Adjust comment.
7767 * extend.texi (fprintf): Document new builtin.
7769 2001-01-07 Richard Henderson <rth@redhat.com>
7771 * jump.c (simplejump_p): Recognize any single_set jump
7774 2001-01-07 Richard Henderson <rth@redhat.com>
7776 * configure.in (slibdir): Accept an --with-slibdir option.
7777 Use "test" not "[" in configure. Default to $(libdir).
7779 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7781 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7782 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7783 (SHLIB_LINK): Create links for the soname.
7784 * config/mips/t-iris6: Likewise.
7785 * config/sparc/t-slibgcc: Likewise.
7786 * config/sparc/t-slibgcc-sld: Likewise.
7788 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7790 * config/i386/i386.c (constant_call_address_operand): Accept
7791 (const (plus (symbol_ref) (const_int))).
7792 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7793 constant_call_address_operand.
7795 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7797 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7798 and LONG_LONG_TYPE_SIZE > 32.
7800 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7802 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7803 the previous change.
7805 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7807 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7809 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7810 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7811 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7814 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7816 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7818 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7820 * c-lang.c (c_post_options): Call cpp_post_options.
7821 * objc/objc-act.c (objc_post_options): Similarly.
7822 * cppmain.c (main): Similarly.
7823 * fix-header.c (read_scan_file): Similarly.
7824 * cppinit.c (cpp_start_read): Move option consistency checks
7825 to cpp_post_options. Don't call init_dependency_output.
7826 If needed, add default target and main file dependency.
7827 (OPT_MD, OPT_MMD): Remove.
7829 (cpp_handle_option): Update for OPT_* changes.
7830 (cpp_post_options): New.
7831 (init_dependency_output): Command line -MF overrides environment
7832 variables. Don't set default target etc. Suppress output
7833 if dependencies are going to stdout.
7834 (print_help): Update.
7835 * cpplib.h (cpp_post_options): New.
7836 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7838 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7840 * jump.c (comparison_dominates_p): Support unordered compares.
7842 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7844 * simplify-rtx.c (simplify_relational_operation): Always simplify
7845 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7848 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7850 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7851 (nonzero_bits): Likewise.
7852 (simplify_comparison): Likewise.
7853 (num_sign_bit_copies): Likewise; return more sane value depending
7854 on STORE_FLAG_VALUE.
7855 (known_cond): Do not assume EQ to be always true for equivalent
7858 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7860 * cse.c (fold_rtx): Handle unordered comparisons.
7862 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7864 * rtlanal.c (set_of_1): New static function.
7865 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7866 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7867 reg_set_last_last_regno): Remove.
7868 (set_of): New global function.
7869 (set_of_data): New structure.
7870 (reg_set_p, reg_set_last): Revamp for set_of.
7871 * rtl.h (set_of): New.
7873 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7875 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7876 * extend.texi: Document _Exit builtin.
7878 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7880 * (initialize, initialize_builtins,
7881 initialize_dependency_output, initialize_standard_includes):
7882 Rename s/initialize/init. Update.
7883 (init_dependency_output): Move to after
7884 cpp_handle_options, the correct location temporally at least.
7885 (opt_comp): Move next to init (), its caller. Fix prototype.
7886 (init): Make "initialized" local scope.
7887 (cpp_create_reader): Always call init ().
7888 (cpp_start_read): Update.
7889 (output_deps): New function, broken out of cpp_finish.
7890 (cpp_finish): Break out output_deps.
7892 2001-01-07 Richard Henderson <rth@redhat.com>
7894 * collect2.c (COFF specific stuff): Revert 12-06 patch
7895 to prototype system functions.
7897 2001-01-07 Michael Hayes <mhayes@redhat.com>
7899 * hard-reg-set.h: Add multiple include guard.
7900 * basic-block.h (struct loop): Add `sink' field.
7901 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7902 (emit_iv_add_mult): Delete.
7903 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7904 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7905 (unroll_loop): Remove end_insert_before argument.
7906 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7907 (maybe_eliminate_biv_1): Likewise.
7908 (emit_iv_add_mult): Delete.
7909 (gen_add_mult, loop_regs_update): New.
7910 (loop_insn_emit_after, loop_insn_emit_before): New.
7911 (loop_insn_sink, loop_insn_sink_or_swim): New.
7912 (emit_iv_add_mult): Delete.
7913 (scan_loop): Set loop->sink.
7914 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7915 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7916 (maybe_eliminate_biv_1): Likewise.
7917 (maybe_eliminate_biv_1): Add basic block argument.
7918 * unroll.c (unroll_loop): Remove end_insert_before argument.
7919 (find_splittable_regs): Likewise.
7920 (find_splittable_regs): Use loop_insn_sink and its ilk.
7921 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7923 2001-01-07 Michael Hayes <mhayes@redhat.com>
7925 * loop.h (loop_insn_hoist): New prototype.
7926 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7927 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7928 (check_dbra_loop, load_mems): Likewise.
7929 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7930 (find_splittable_givs): Likewise.
7932 2001-01-07 Michael Hayes <mhayes@redhat.com>
7934 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7936 2001-01-07 Richard Henderson <rth@redhat.com>
7938 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7940 2001-01-07 Richard Henderson <rth@redhat.com>
7942 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7943 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7944 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7945 variant that handles a shared libgcc.
7946 (process_command): Always validate -{static,shared}-libgcc.
7947 (do_spec_1): New 'M' case.
7948 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7950 2001-01-07 Richard Henderson <rth@redhat.com>
7952 * Makefile.in (slibdir): New variable.
7953 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7954 (installdirs): Create slibdir.
7955 (install-libgcc, install-multilib): Defer to libgcc.mk.
7956 * configure.in (slibdir): Substitute.
7957 * mklibgcc.in (install): New target.
7959 * config/t-linux (SHLIB_LINK): Create links for the soname.
7960 (SHLIB_INSTALL): New.
7961 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7962 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7963 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7964 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7965 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7967 2001-01-07 Richard Henderson <rth@redhat.com>
7969 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7970 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7971 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7973 2001-01-07 Michael Hayes <mhayes@redhat.com>
7975 * loop.c (count_loop_regs_set): Delete.
7976 (load_mems_and_recount_loop_regs_set): Delete.
7977 (loop_regs_scan): Merge common code from count_loop_regs_set,
7978 scan_loop, and load_mems_and_recount_loop_regs_set.
7979 (scan_loop): Call load_mems directly and loop_regs_scan
7980 again if new registers created.
7982 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7984 * toplev.c (main): Call the front-end specific post_options
7985 hook if one is given.
7986 * toplev.h (struct_lang_hooks, lang_hooks): New.
7987 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7988 for the C front end.
7989 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7990 lang_hooks for the C++ front end.
7991 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7992 lang_hooks for the ObjC front end.
7993 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7994 * java/lang.c (lang_hooks): Hooks for the Java front end.
7996 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7998 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7999 for verbose DWARF[2] debugging.
8000 (cb_define, cb_undef): The new callbacks.
8001 * toplev.h (debug_define, debug_undef): Make const correct.
8002 * toplev.c (debug_define, debug_undef): Similarly. Do not
8003 perform the verbosity tests here anymore.
8005 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8007 * reload.c (subst_reloads): Take INSN argument. When
8008 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8009 * reload.h (subst_reloads): Adjust prototype.
8010 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8011 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8012 present in JUMP_INSNs and copy them to JUMP_LABEL.
8013 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8014 JUMP_INSNs and insns with REG_LABELs that are followed by
8015 JUMP_INSNs with the same REG_LABEL.
8016 * sched-rgn.c (is_cfg_nonregular): Likewise.
8017 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8019 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8021 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8023 2001-01-06 Richard Henderson <rth@redhat.com>
8025 * loop.c (scan_loop): Use xcalloc for the regs array.
8026 (load_mems_and_recount_loop_regs_set): Zero the new memory
8027 received from xrealloc.
8029 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8031 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8033 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8035 * integrate.c (copy_rtx_and_substitute): When copying
8036 an ignored return value, strip REG_FUNCTION_VALUE_P.
8038 2001-01-06 Michael Hayes <mhayes@redhat.com>
8040 * loop.c (debug_biv, debug_giv): New.
8041 (loop_biv_dump): Break out from ...
8042 (record_biv): ... here.
8043 (loop_giv_dump): Break out from ...
8044 (record_giv): ... here.
8045 (loop_bivs_check): Use print_simple_rtl.
8046 * unroll.c (loop_iterations): Use print_simple_rtl.
8048 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8050 * pa.md (return, return_internal): Modify patterns to prevent regrename
8051 mucking with the return pointer.
8053 2001-01-05 Richard Henderson <rth@redhat.com>
8055 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8057 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8059 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8060 version supplied by Matteo Frigo.
8062 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8064 * cpp.texi: Update for -MQ.
8065 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8066 (cpp_cleanup): Always free pfile->deps.
8067 (initialize_dependency_output): Don't create pfile->deps.
8068 (cpp_handle_option): Similarly.
8070 * gcc.c (cpp_options): Handle -MQ.
8071 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8072 * mkdeps.c (base_name): Remove.
8073 (deps_init): Don't allocate vector space until it's needed.
8074 (deps_free): Only free vectors if allocated.
8075 (deps_add_target, deps_add_dep): Update for initial allocation.
8076 (deps_add_default_target): Don't strip to the base_name.
8078 2001-01-05 DJ Delorie <dj@redhat.com>
8080 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8081 (INIT_EXPANDERS): Define.
8083 * config/v850/v850.c (struct machine_function): Define.
8084 (v850_save_machine_status): New function.
8085 (v850_restore_machine_status): New function.
8086 (v850_return_addr): New function.
8087 (v850_init_expanders): New function.
8089 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8090 and v850_init_expanders.
8092 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8094 * cpplib.h (struct cpp_reader): Add help_only field.
8095 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8096 (cpp_handle_option): Set pfile->help_only if we see -h,
8097 --help, -target-help, or --version. Print version string but
8098 do not set help_only if we see -v or -version. Make text
8099 printed by -v match that printed by (-)-version.
8101 * cppmain.c (main): Exit after option parsing if
8102 pfile->help_only is true.
8104 * toplev.c (independent_decode_option): Call print_version,
8105 then exit, if we see --version (but not -version).
8106 (print_version): Split lengthy message into two lines.
8108 2001-01-05 Nick Clifton <nickc@redhat.com>
8110 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8111 temporary string for initialisation before calling ggc_alloc_string.
8113 2001-01-06 Michael Hayes <mhayes@redhat.com>
8115 * rtl.h (print_simple_rtl): New.
8116 * print-rtl.c (print_simple_rtl): New.
8118 (print_rtx): Disable printing of flags and modes, etc.,
8119 if `flag_simple` nonzero.
8121 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8123 * function.c (fixup_var_refs): Use push_to_full_sequence where
8126 2001-01-05 Michael Meissner <meissner@redhat.com>
8128 * flags.h (flag_reorder_blocks): Add declaration.
8129 (flag_rename_block): Ditto.
8131 2001-01-05 DJ Delorie <dj@redhat.com>
8133 * function.c (reorder_blocks): Make sure the flags are all reset
8134 before using them to mark blocks, else a second invocation will
8135 corrupt the block chain.
8136 (reorder_blocks_0): New, resets the flags.
8138 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8140 * cse.c (find_comparison_args): Stop if the argument is known to
8143 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8145 * config/sh/sh.md (movdf): When splitting load into pair of
8146 registers, don't clobber the register used in the address too
8149 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8151 * varasm.c (mark_constant_pool): Improve initial comments.
8152 (mark_constants): Move marking of constants to mark_constant.
8153 (mark_constant): New function to recursively mark all constants
8154 referred to by a constant.
8156 2001-01-05 Catherine Moore <clm@redhat.com>
8158 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8160 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8162 * cp/lang-options.h: Bring comment in line with reality.
8163 * f/lang-options.h: Likewise.
8164 * java/lang-options.h: Likewise.
8165 * objc/lang-options.h: Likewise.
8166 * ch/lang-options.h: Likewise.
8167 * f/g77.texi: And update the manual.
8169 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8170 Denis Chertykov <denisc@overta.ru>
8172 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8173 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8174 * config/avr/avr.md (all peepholes that request a scratch register):
8175 Call it, FAIL the peephole if not safe (in interrupt functions).
8177 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8179 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8181 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8183 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8185 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8186 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8187 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8188 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8189 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8191 * extend.texi: Document these builtins.
8193 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8195 * c-common.c (lang_get_alias_set): Say we know nothing of
8196 VECTOR_TYPE aliasing.
8198 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8200 2001-01-05 Bruce Korb <bkorb@gnu.org>
8202 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8203 their x* equivalent versions for atexit-less systems
8204 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8205 systems (or any other system any more).
8207 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8209 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8210 output operands. Use arm_hard_register_operand for operand 4.
8211 (stmsi_postinc): Similarly.
8212 (ldmsi): Use arm_hard_register_operand for opernand 2.
8214 * arm.c (arm_hard_register_operand): New function.
8215 * arm-protos.h (arm_hard_register_operand): Prototype it.
8217 * arm.h (HARD_REGNO_RENAME_OK): Define.
8219 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8221 * simplify-rtx.c (cfc_args): add "unordered" field.
8222 (check_fold_consts): Set unordered field.
8223 (simplify_relational_operation): Simplify the unordered
8226 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8229 * emit-rtl.c (try_split): Fix code to mark labels.
8230 * jump.c (mark_jump_label): Make global.
8231 * rtl.h (mark_jump_label): Declare.
8233 * predict.c (estimate_probability): Handle unordred comparisons.
8235 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8237 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8238 * cppinit.c (initialize_dependency_output): Update.
8239 (cpp_finish): Output dummy targets for -MP.
8241 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8242 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8243 * gcc.c (cpp_options): Update to handle -MP.
8244 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8245 to quote only the default target.
8246 (deps_phony_targets): Insert a preceding newline. Rename from
8247 deps_dummy_targets for consistency.
8250 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8252 * calls.c (emit_library_call_value_1): Support
8253 INIT_CUMULATIVE_LIBCALL_ARGS.
8254 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8256 2001-01-04 Richard Henderson <rth@redhat.com>
8258 * c-decl.c (finish_struct): Detect flexible array members
8259 used in an inappropriate context.
8260 * c-typeck.c (really_start_incremental_init): Special case
8261 constructor_max_index for zero length arrays.
8262 (pop_init_level): Allow initialization of flexible array
8263 members. Deprecate initialization of zero length arrays.
8264 Don't issue missing initializer warning for flexible array
8265 members or zero length arrays.
8266 (process_init_element): Don't dereference null DECL_SIZE.
8267 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8268 Don't abort for empty constructors. Use size_binop
8269 (output_constructor): Add commentary regarding zero length
8270 array futures. Abort if we try to initialize an array of
8271 unspecified length with a non-empty constructor in the middle
8274 * extend.texi (Zero Length): Update and clarify documentation
8275 on static initialization.
8277 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8279 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8280 with more than 32767 words of local storage.
8282 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8284 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8285 for 'abs', 'labs', and 'fabs'.
8286 (c4x_expand_builtin): Likewise.
8287 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8289 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8291 * config/sh/sh.md (prget, prset): New insn types.
8292 (return delay slot): Dont' allow prset.
8293 (call, sfunc delay slot): Don't allow prget.
8294 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8295 for prset and prget.
8297 2001-01-05 Michael Hayes <mhayes@redhat.com>
8299 * loop.h (struct loop_reg): New.
8300 (struct loop_regs): Change to use array of `struct loop_reg'.
8301 * loop.c: Replace assortment of varrays with single regs array.
8302 (count_one_set): Delete may_not_move array argument
8303 and use regs array instead. All caller's changed.
8304 (count_loop_regs_set): Delete may_not_move and single_usage
8305 arguments and use regs array instead. All caller's changed.
8306 (find_single_use_in_loop): Replace usage array argument with pointer
8307 to regs structure. All caller's changed.
8308 (loop_optimize): Delete `moved_once' array.
8310 2001-01-05 Michael Hayes <mhayes@redhat.com>
8312 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8313 Use it instead of loop_info->has_call for scanning loop mems.
8314 (check_dbra_loop): Replace loop_info->has_call test with
8315 loop_info->has_nonconst_call.
8317 2000-01-04 Matthew Hiller <hiller@redhat.com>
8319 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8322 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8324 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8325 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8327 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8329 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8330 (flag_short_double, flag_short_wchar): Define.
8331 (c_common_nodes_and_builtins): Create many tree nodes shared
8332 between C and C++ here instead of in cp/decl.c and ...
8333 * c-decl.c (init_decl_processing): ... here.
8334 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8335 (flag_short_double, flag_short_wchar): Don't define.
8336 (record_builtin_type): New function.
8337 (build_void_list_node): New function.
8338 * c-common.h (flag_short_double, flag_short_wchar,
8339 record_builtin_type, build_void_list_node): Declare.
8341 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8343 * integrate.c (expand_inline_function): Don't put a virtual
8344 register into the reg map.
8346 * function.c (fixup_var_refs_1): If force_operand didn't put
8347 the address into the target, move it there.
8349 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8351 Special-case tree_decl/tree_list allocations.
8352 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8353 (OBJECT_SIZE): New macro.
8354 (NUM_EXTRA_ORDER): Likewise.
8355 (extra_order_size_table): New variable.
8356 (NUM_ORDERS): New macro.
8357 (objects_per_page_table): New variable.
8358 (object_size_table): New variable.
8359 (G.pages): Use NUM_ORDERS to bound the array.
8360 (G.page_tails): Likewise.
8361 (DIV_ROUND_UP): Remove.
8362 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8363 (alloc_page): Use OBJECT_SIZE.
8364 (size_lookup): Don't make it const.
8365 (ggc_alloc): Use OBJECT_SIZE.
8366 (ggc_set_mark): Likewise.
8367 (ggc_get_size): Likewise.
8368 (init_ggc): Set up the object_size_table, objects_per_page_table,
8369 and adjust size_lookup.
8370 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8371 (ggc_pop_context): Use NUM_ORDERS.
8372 (clear_marks): Likewise.
8373 (sweep_pages): Likewise.
8374 (poison_pages): Likewise.
8375 (ggc_print_statistics): Use OBJECT_SIZE.
8377 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8379 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8380 Only call array_size_for_constructor if last field and array type
8381 with no upper bound.
8383 2001-01-04 Philip Blundell <philb@gnu.org>
8385 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8386 from bit 31 downwards, if this requires no more insns.
8387 (count_insns_for_constant): New helper function for above.
8389 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8391 * gencodes.c (output_predicate_decls): Remove empty initializer.
8393 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8395 * tree.c (copy_node): Remove documentation about obstacks.
8396 (buidl1): Check that nobody tries to build 2-argument nodes this
8399 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8401 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8404 * gencodes.c (output_predicate_decls): Fill empty initializer
8407 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8409 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8410 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8412 (do_include): Handle missing headers like cpp0.
8413 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8414 paths with first include pathname. Don't strcat to uninitialized
8417 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8419 * regrename.c (regrename_optimize): Don't rename from frame pointer
8420 if frame_pointer_needed.
8421 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8422 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8423 (ia64_reorg): Use it instead of scheduling if ! optimize.
8424 (errata_emit_nops): Properly call asm_noperands.
8425 (ia64_sched_reorder): Finish cycle if we see an asm.
8426 (ia64_variable_issue): Clear scheduling state after asms.
8428 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8430 * cpp.texi: Update for -MT.
8431 * cppinit.c (initialize_dependency_output): Add a default
8432 target if none has been given already.
8433 (no_tgt, OPT_MT): New.
8434 (cpp_handle_option): Handle -MT. Update -M etc.
8435 * cpplib.h (struct cpp_options): Remove deps_target.
8436 * gcc.c (cpp_options): Handle -MT.
8437 * mkdeps.c (struct deps): Move from mkdeps.h.
8438 (deps_calc_target): Rename deps_add_default_target. Add a
8439 default target if none has been specified already.
8440 * mkdeps.h (struct deps): Move to mkdeps.c.
8441 (deps_calc_target): Rename deps_add_default_target.
8443 2000-01-03 Richard Henderson <rth@redhat.com>
8445 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8447 * c-typeck.c (push_init_level): Move checks for flexible array
8448 members and zero length arrays ...
8449 (pop_init_level): ... here. Silently discard empty initializations.
8451 * varasm.c (output_constructor): Update for sizeof change to
8454 * extend.texi (Zero Length): Clarify semantics.
8456 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8458 * configure.in (tm.h): Include isns-codes.h last.
8459 * configure: Rebuilt.
8461 2001-01-03 Richard Henderson <rth@redhat.com>
8463 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8464 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8466 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8468 * tradcpp.c (main): Make sure finclude() is called with a valid
8469 indepth value while handling -include.
8471 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8473 * gencodes.c (output_predicate_decls): New function.
8475 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8476 even if it is not the first time machmode.h is #included.
8477 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8478 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8479 * gcc.texi (Copyright): Added 2001.
8481 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8483 * c-common.c (c_common_lang_init): New function. Warn if format
8484 warning options which only have effects when used with -Wformat
8485 are used without -Wformat.
8486 * c-common.h (c_common_lang_init): Declare.
8487 * c-lang.c (lang_init): Call c_common_lang_init.
8488 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8490 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8492 * configure.in: Check for the mktemp command.
8493 * configure: Regenerate.
8494 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8495 $TEMP. Create temporary files with mktemp, if available at
8496 configure time; otherwise use set -C. Remove temporary files
8499 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8501 * configure.in: Require at least texinfo 4.0. Check for whether
8502 Pod::Man is sufficiently recent to regenerate GCC manpages.
8503 * configure: Regenerate.
8504 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8506 (GENERATED_MANPAGES): Define.
8507 (generated-manpages): New target. Depend on cpp.1 as well as
8509 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8510 configure to generated-manpages or empty) rather than on the
8511 manpages directly. Remove execute permission from installed
8512 gcov.1 as well as cpp.1.
8513 * cpp.1, gcov.1: Regenerate.
8515 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8517 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8518 tree_low_cst. Allow using cmpstrsi in more cases.
8520 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8522 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8525 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8527 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8528 * Makefile.in (HOST_CFLAGS): Mention build-make.
8530 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8532 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8535 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8537 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8540 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8543 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8544 reg_base_value and reg_known_value arrays.
8545 (init_alias_analysis): Add more cases to detect known values.
8546 * sched-deps.c (deps_may_trap_p): New function.
8547 (sched_analyze_2): Use it.
8549 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8551 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8552 don't discard an ASHIFTRT if we're shifting in a wider mode.
8554 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8556 * toplev.c (rest_of_compilation): Don't print basic block information
8557 when CFG isn't up to date.
8559 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8561 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8562 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8563 (UNALIGNED_SHORT_ASM_OP): Define.
8564 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8566 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8568 * fold-const.c (fold_convert): Fix typo.
8570 2001-01-02 Richard Henderson <rth@redhat.com>
8572 * c-common.h (ASM_INPUT_P): New.
8573 * c-parse.in (asm): Set it when needed.
8574 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8575 existance of an operand.
8577 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8579 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8580 (dwarf2out_frame_debug_expr): Likewise.
8581 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8583 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8585 * i386.c (ix86_split_to_parts): Return number of part required;
8587 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8589 (ix86_split_long_move): Use number of part returned
8590 by ix86_split_to_parts
8591 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8593 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8594 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8595 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8596 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8597 (ALIGN_MODE_128): Add TFmode.
8598 (IS_STACK_MODE): Likewise.
8599 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8600 (HARD_REGNO_OK): Support TFmodes.
8601 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8602 * i386.md (scheduler definitions): Use memory operand to determine
8603 fst/fld instructions; use mode attribute to determine real mode of
8605 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8606 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8608 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8610 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8612 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8614 * expr.c (store_constructor_field): Update ALIGN before calling
8617 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8619 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8622 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8624 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8627 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8629 * c-decl.c (start_function): Don't warn on third parameter to main.
8631 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8633 * tsystem.h: Define HAVE_DECL_GETOPT.
8635 2001-01-02 Philip Blundell <pb@futuretv.com>
8637 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8640 2001-01-02 Richard Henderson <rth@redhat.com>
8642 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8644 2001-01-02 Andreas Jaeger <aj@suse.de>
8646 * c-decl.c (c_decode_option): Remove support of
8649 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8650 (W_options): Add -Wmissing-noreturn here.
8652 * flow.c: Define lang_missing_noreturn_ok_p.
8653 (check_function_return_warnings): Use it.
8655 * c-common.h: Declare lang_missing_noreturn_ok_p.
8657 * c-lang.c (c_missing_noreturn_ok_p): New function.
8658 (lang_init): Set lang_missing_noreturn_ok_p.
8660 * invoke.texi (Warning Options): Document this.
8662 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8664 * extend.texi (C++ Extensions): New node for C++ attributes;
8665 describe init_priority and com_interface.
8666 * invoke.texi: Remove -finit-priority as it now has zero effect.
8667 * install.texi: Fix xref syntax.
8668 * md.texi: Likewise.
8670 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8672 * config.gcc (sparc64-wrs-vxworks*): New case.
8673 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8675 * config/sparc/sparc.c (sparc_override_options): Do support different
8676 pointer and architecture size.
8677 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8678 (POINTERS_EXTEND_UNSIGNED): Define.
8679 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8680 (FUNCTION_MODE): Define to be Pmode.
8681 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8683 * function.c (expand_function_end): Properly handle DECL_RESULT
8684 and copy when ptr_mode != Pmode.
8685 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8687 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8689 * c-common.c (c_common_nodes_and_builtins): Set prototype
8690 parameters for __builtin_fputs, __builtin_fputc and
8691 __builtin_fwrite. Don't declare plain fputc as a builtin.
8693 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8695 * loop.c (add_label_notes): Increment the label usage count when
8696 a note is added to an insn which refers to a CODE_LABEL.
8697 * gcse.c (add_label_notes): Likewise.
8699 2001-01-01 Andreas Jaeger <aj@suse.de>
8701 * loop.c (scan_loop): Use xmalloc to allocate movables.
8703 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8705 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8706 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8707 * reload1.c (REGISTER_MOVE_COST): Likewise.
8708 * regclass.c (REGISTER_MOVE_COST): Likewise.
8709 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8710 dimension. Adjust all users.
8711 (init_reg_sets_1): Iterate on all modes.
8712 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8713 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8714 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8715 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8716 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8717 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8718 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8719 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8720 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8721 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8722 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8723 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8724 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8725 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8726 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8727 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8728 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8729 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8730 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8731 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8732 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8733 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8734 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8735 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8736 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8737 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8738 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8740 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8742 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8743 arg VARIES_P. Call it with extra arg.
8744 (true_dependence): Likewise.
8745 * rtl.h (rtx_addr_can_trap_p): Declare.
8746 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8748 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8749 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8750 pic offset table register if it's zero. All callers changed.
8751 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8753 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8755 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8756 STRING_POOL_ADDRESS_P.
8758 * config/sparc/sparc.c (input_operand): Properly test for short op.
8760 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8761 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8762 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8763 * config/sparc/elf.h: No longer include sol2.h.
8764 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8765 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8767 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8769 2001-01-01 Michael Hayes <mhayes@redhat.com>
8771 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8772 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8773 (record_initial): Likewise.
8774 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8775 (remap_split_bivs): Likewise.
8777 2001-01-01 Michael Hayes <mhayes@redhat.com>
8779 * loop.c (loop_ivs_free): New function.
8780 (strength_reduce): Break out from...
8782 2001-01-01 Michael Hayes <mhayes@redhat.com>
8784 * loop.h (struct iv): New.
8785 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8786 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8787 'reg_biv_class' fields with 'regs' and 'n_regs'.
8788 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8789 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8790 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8792 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8794 * resource.c (mark_referenced_resources): Abort() before
8795 attempting to mark a pseudo register.
8796 (mark_set_resources): Likewise.
8798 2001-01-01 Michael Hayes <mhayes@redhat.com>
8800 * loop.h (REG_IV_CLASS): New accessor macro.
8801 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8802 * unroll.c (REG_IV_CLASS): Likewise.
8804 See ChangeLog.4 for earlier changes.