1 2001-04-13 Alan Modra <amodra@one.net.au>
3 * config/pa/mill32.S: New file.
4 * config/pa/mill64.S: New file.
5 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
6 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
7 * config/pa/t-linux64: New file.
8 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
9 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
10 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
12 * elfos.h (SELECT_SECTION): Undef before defining.
13 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
14 (LIB_SPEC): Remove -lmilli.
15 (DBX_REGISTER_NUMBER): Remove.
16 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
17 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
18 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
19 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
20 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
21 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
22 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
24 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
25 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
26 regs if we don't have a prototype.
27 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
28 * pa.h (TARGET_ELF32): Default to 0 if undefined.
29 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
30 EH_RETURN_HANDLER_RTX): Define.
31 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
32 (DWARF_FRAME_REGNUM): Define.
33 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
34 * pa32-linux.h: New file.
35 * pa64-linux.h: New file.
37 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
38 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
39 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
40 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
41 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
42 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
43 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
44 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
45 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
46 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
47 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
48 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
49 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
50 * pa64-hpux.h: New file.
51 (ASM_FILE_START): Correct typo.
52 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
53 * config.gcc: Modify for above.
55 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
57 * jump.c (jump_optimize_1): Don't delete dead stores here.
58 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
59 prior to running jump optimize before cse2.
61 2001-04-12 Stan Shebs <shebs@apple.com>
63 * objc/objc-act.c: Remove all code ifdefed with the never-used
64 macro OBJC_INT_SELECTORS.
65 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
66 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
68 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
70 * config/pa/quadlib.c: Add prototypes.
72 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
74 * bitmap.h (debug_bitmap): Delete redundant prototype.
76 * rtl.h (get_frame_size): Likewise.
78 2001-04-12 Jim Wilson <wilson@redhat.com>
80 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
81 to just emit an fnorm.
83 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
85 * c-common.h (truthvalue_conversion, type_for_mode,
86 type_for_size): Delete redundant declarations.
88 * c-lex.h (is_class_name): Likewise.
90 * c-tree.h (pedantic, convert, getdecls, gettags,
91 global_bindings_p, init_decl_processing, insert_block,
92 maybe_build_cleanup, poplevel, print_lang_decl,
93 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
94 set_block, incomplete_type_error, build_function_call,
95 lvalue_or_else, mark_addressable): Likewise.
97 * expr.h (expand_tree_builtin): Likewise.
99 2001-04-12 Mark Mitchell <mark@codesourcery.com>
101 * invoke.texi: Document --param max-gcse-memory.
103 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
105 * configure.in (errno): Check for declaration.
106 * configure, config.in: Regenerated.
108 * system.h (errno): Only declare if not already done.
110 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
112 * recog.c (general_operand, immediate_operand,
113 nonmemory_operand): Require CONST_INTs to be sign-extended
114 values for their modes.
116 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
118 * expmed.c (store_bit_field): Truncate CONST_INTs.
119 (expand_mult_highpart, expand_divmod): Likewise.
120 * expr.c (convert_modes, store_field): Likewise.
121 * integrate.c (expand_inline_function): Use promote_mode() to
122 determine whether to convert_modes() an argument as signed
124 * optabs.c (expand_binop): Get CONST_INT operands
125 sign-extended for their appropriate modes.
126 * stmt.c (emit_case_nodes): Convert node values to the
128 (expand_end_case): Convert minval and range to the appropriate
130 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
131 the iteration variable.
132 * varasm.c (immed_double_const): Don't require words to be
133 narrower than host wide ints to properly sign-extend
136 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
138 * sh.md (builtin_setjmp_receiver): New expander.
140 2001-04-12 David Edelsohn <dje@watson.ibm.com>
142 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
143 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
144 for generating CONST_INT and CONST_DOUBLE.
146 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
148 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
149 already sign-extended.
150 (rs6000_emit_prologue): Make register iterator signed.
151 (rs6000_emit_epilogue): Likewise.
152 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
154 (movsf split, movdf split): Sign-extend CONST_INTs.
155 (movdi splits): Likewise.
157 2001-04-12 Kelley Cook <kelley.cook@home.com>
159 * config-lang.in (lang_dirs): Add in zlib.
161 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
163 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
164 operands that make it to RTL.
166 2001-04-11 Stan Shebs <shebs@apple.com>
168 Add Darwin (Mac OS X kernel) native support.
169 * config.gcc (powerpc-*-darwin*): Add native bits.
170 * config/darwin.c: New file, generic Darwin support functions.
171 * config/darwin.h: New file, generic Darwin definitions.
172 * config/darwin-protos.h: New file, generic Darwin prototypes.
173 * rs6000/darwin.h: New file, Darwin for PowerPC.
174 * rs6000/t-darwin: New file, Darwin makefile fragment.
175 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
176 (TARGET_MACHO): Ditto.
177 (rs6000_abi): Add ABI_DARWIN.
178 (RS6000_REG_SAVE): Add ABI_DARWIN case.
179 (RS6000_SAVE_AREA): Ditto.
180 (FP_ARG_MAX_REG): Ditto.
181 (RETURN_ADDRESS_OFFSET): Ditto.
182 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
184 (rs6000_emit_move): Add ABI_DARWIN cases.
185 (print_operand): Ditto.
186 (first_reg_to_save): Ditto.
187 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
188 (debug_stack_info): Ditto.
189 (rs6000_emit_prologue): Ditto.
190 (rs6000_emit_epilogue): Ditto.
191 (output_profiler_hook): Ditto.
192 (output_function_profiler): Ditto.
193 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
194 (output_mi_thunk): Add TARGET_MACHO case.
195 (add_compiler_stub): Ditto.
196 (output_compiler_stub): Ditto.
197 (no_previous_def): Ditto.
198 (output_call): Ditto.
199 (machopic_output_stub): Ditto.
200 (rs6000_machopic_legitimize_pic_address): Ditto.
201 (toc_section): Ditto.
202 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
206 (load_macho_picbase): Ditto.
207 (call): Add TARGET_MACHO case to modify function.
209 (call_nonlocal_sysv): Add ABI_DARWIN case.
210 (call_value_nonlocal_sysv): Ditto.
211 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
213 (machopic_output_stub): Ditto.
214 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
216 2001-04-11 Mark Mitchell <mark@codesourcery.com>
218 * dwarf2out.c (modified_type_die): Don't create new types here.
219 * tree.h (get_qualified_type): New function.
220 (build_qualified_type): Adjust comment.
221 * tree.c (get_qualified_type): New function.
222 (build_qualified_type): Use it.
224 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
226 * cpp.texi (-Wtraditional): Update description.
228 * invoke.texi (-Wtraditional): Likewise.
230 2001-04-11 Jim Wilson <wilson@redhat.com>
232 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
233 requires more than 64 bits of alignment.
235 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
237 * cpplib.c (do_line): Sanity check iff enable checking.
239 2001-04-11 Richard Henderson <rth@redhat.com>
241 * Makefile.in (insn-recog.o): Depend on toplev.h.
242 (insn-emit.o, doloop.o): Likewise.
243 * genrecog.c, genemit.c: Include toplev.h in generated file.
244 * doloop.c: Include toplev.h.
246 2001-04-11 Mark Mitchell <mark@codesourcery.com>
248 * Makefile.in (gcse.o): Depend on params.h.
249 * gcse.c: Include params.h.
250 (gcse_main): Don't do GCSE if doing so will take inordinate
252 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
253 * params.h (MAX_GCSE_MEMORY): New macro.
255 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
257 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
259 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
261 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
263 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
265 * real.h (ereal_atof, real_value_truncate, target_isnan,
266 target_isinf, target_negative, assemble_real, debug_real): Delete
267 redundant prototypes.
269 * Makefile.in (ifcvt.o): Depend on toplev.h.
271 * c-semantics.c: Include expr.h.
273 * ifcvt.c: Include toplev.h.
275 * expr.h (rtx_equal_p): Delete prototype.
277 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
278 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
279 eliminate_constant_term, expand_complex_abs, find_single_use,
280 make_tree, init_expr_once, init_optabs, supports_one_only):
283 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
284 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
285 expand_assignment, store_expr, emit_line_note_after,
286 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
288 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
290 * sparc-protos.h: Delete redundant prototypes.
292 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
294 * reload.c (push_reload): Add condition missed in SUBREG byte
297 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
299 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
301 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
303 * i386.md (floatsisf_sse): Fix output template
304 * i386.c (ix86_expand_fp_movcc)
306 * reg-stack.c (emit_pop_insn): Handle complex modes.
307 (move_for_stack_reg): Emit proper move mode.
308 (subst_stack_regs_pat): Handle complex modes.
310 2001-04-11 Jakub Jelinek <jakub@redhat.com>
312 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
314 2001-04-10 Richard Henderson <rth@redhat.com>
316 * libgcc2.h (__terminate_func_ptr): Remove typedef.
317 (__pure_virtual, __terminate, __terminate_set_func,
318 __default_terminate, __throw_type_match, __empty,
319 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
320 __eh_rtime_match, __unwinding_cleanup, __rethrow,
321 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
322 Remove prototypes of deleted functions.
324 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
326 * c-typeck.c (convert_arguments): -Wtraditional now activates
327 -Wconversion warnings, except for changes in signed-ness.
328 Detect complex<->int & int<->complex conversions as well.
330 * invoke.texi (-Wtraditional): Document it.
332 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
334 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
335 * flow.c (set_block_for_new_insns): Remove needless cast and
336 properly check for unset block number.
338 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
340 * function.c (purge_single_hard_subreg_set): Only check REGNO if
341 the subreg was a hard register. Pseudos are left as subregs.
343 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
345 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
346 (LIB2ADD_ST): New macro, pass it to mklibgcc.
347 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
348 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
349 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
351 2001-04-09 Bo Thorsen <bo@suse.co.uk>
353 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
355 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
357 * output.h (set_block_num): Missed it earlier, remove deprecated
360 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
362 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
363 (load_killed_in_block_p): Change bb parameter from int to basic_block.
364 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
365 (handle_rd_kill_set): Change bb parameter from int to basic_block.
366 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
367 (expr_killed_p): Change bb parameter from int to basic_block, pass
368 basic_blocks instead of ints as parameters.
369 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
370 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
371 from int to basic_block, pass basic_blocks instead of ints as parms.
372 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
373 parameter from int to basic_block, pass basic_blocks instead of ints.
374 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
375 (insert_insn_end_bb): Change bb parameter from int to basic_block,
376 pass basic_blocks instead of ints.
377 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
378 basic_blocks instead of ints as parameters.
379 (pre_delete): Pass basic_blocks instead of ints as parameters.
380 (hoist_expr_reaches_here_p): Change bb parameter from int to
381 basic_block, pass basic_blocks instead of ints.
382 (hoist_code): Pass basic_blocks instead of ints as parameters.
383 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
384 Change bb parameter from int to basic_block.
385 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
386 (insert_insn_start_bb): Change bb parameter from int to basic_block,
387 pass basic_blocks instead of ints.
388 (insert_store): Pass basic_blocks instead of ints as parameters.
389 (replace_store_insn, delete_store): Change bb parameter from int to
390 basic_block, pass basic_blocks instead of ints.
391 (store_motion): Pass basic_blocks instead of ints as parameters.
393 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
395 * basic-block.h (set_new_block_for_insns): New Prototype.
396 (set_block_num): Delete prototype.
397 * flow.c (set_block_num): Remove obsolete function.
398 (set_block_for_new_insns): Set BB for single or multiple insns.
399 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
400 (process_insn_end_bb): Use set_block_for_new_insns or
401 set_block_for_insn instead of set_block_num.
402 (pre_insert_copy_insn): Use set_block_for_new_insns.
403 (update_ld_motion_stores): Use set_block_for_new_insns.
404 (insert_insn_start_bb): Use set_block_for_new_insns.
405 (replace_store_insn): Use set_block_for_new_insns.
407 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
408 Jeff Law <law@redhat.com>
410 * alias.c (get_addr): Externalize.
411 (canon_true_dependence): New function. Behaves like true_dependance
412 except it already assumes a MEM has been canonicalized.
413 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
414 * gcse.c (struct ls_expr): Add load/store expressions structure.
415 (modify_mem_list, canon_modify_mem_list): New variable.
416 (gcse_main): Initialize & finalize alias analysis. Use enhanced
417 load motion and store motion if requested.
418 (alloc_gcse_mem): Allocate space for modify_mem_list array.
419 (free_gcse_mem): Free the modify_mem_list array.
420 (oprs_unchanged_p): Use load_killed_in_block_p.
421 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
422 (mems_conflict_for_gcse_p): New function. Don't kill loads
423 with stores to themselves if its in the load/store expression list.
424 (load_killed_in_block_p): New function.
425 (canon_list_insert): New Function.
426 (record_last_mem_set_info): Keep a list of all instructions which
427 can modify memory for each basic block.
428 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
429 (oprs_not_set_p): Use load_killed_in_block_p.
430 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
431 (expr_killed_p): Use load_killed_in_block_p.
432 (compute_transp): Do not pessimize memory references.
433 (pre_edge_insert): Update stores for a load motion expression.
434 (one_pre_gcse_pass): Check loads/stores for extra load motion.
435 (ldst_entry): Find or create a ldst_expr structure.
436 (free_ldst_entry): Free memory for an individual item.
437 (free_ldst_mems): Free entire load/store expression list.
438 (print_ldst_list): Print debug info.
439 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
440 (enumerate_ldsts): Assign integer values to each entry in list.
441 (first_ls_expr): First expression in the list.
442 (next_ls_expr): Next expression in the list.
443 (simple_mem): Check if expression qualifies for ld/st expression list.
444 (invalidate_any_buried_refs): Remove from expression list if its
445 used in some other way we dont understand.
446 (compute_ld_motion_mems): Find all potential enhanced load motion
448 (trim_ld_motion_mems): Remove any expressions which are invalid.
449 (update_ld_motion_stores): Copy store values to registers for loads
450 which have been moved.
451 (regvec, st_antloc, num_store): New global statics.
452 (reg_set_info): Marks registers as set.
453 (store_ops_ok): Verfies registers expressions are valid in a block.
454 (find_moveable_store): Look for moveable stores in a pattern.
455 (compute_store_table): Find stores in a function worth moving, maybe.
456 (load_kills_store): Check dependance of a load and store.
457 (find_loads): Find any loads in a pattern.
458 (store_killed_in_insn): Check if a store is killed in an insn.
459 (store_killed_after): Check is store killed after an insn in a block.
460 (store_killed_before): Check is store killed before an insn in a block.
461 (build_store_vectors): Generate the antic and avail vectors.
462 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
463 (insert_store): Add a store to an edge.
464 (replace_store_insn): Replace a store with a SET insn.
465 (delete_store): Delete a store insn.
466 (free_store_memory): Free memory.
467 (store_motion): Perform store motion.
468 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
469 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
470 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
471 (f_options): Add gcse-lm and gcse-sm.
473 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
475 * i386.c (expand_fp_movcc): Fix condition reversal code.
477 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
478 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
479 (CLASS_MAX_NREGS): Use it.
481 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
482 handle properly complex values.
483 (CLASS_MAX_NREGS): Likewise; update comment.
485 2001-04-05 Bernd Schmidt <bernds@redhat.com>
487 * ia64.c (ia64_flag_schedule_insns2): New variable.
488 (ia64_override_options): Initialize it. Clear
489 flag_schedule_insns_after_reload.
490 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
492 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
494 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
495 Do not require source to match destination anymore;
496 Add abort to the nontrivial cases that should be handled by split.
497 (fix_trunc?fdi): Add SSE case for x86_64.
498 (floatdi?f): Likewise.
499 (floatdi?f_sse): New.
500 (fix_trunc?fdi_sse): New.
502 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
504 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
505 (DEBUG_ARANGES_END_LABEL): Ditto.
506 (dwarfout_init): Generate length and version fields at the start
507 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
508 after the length field.
509 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
510 the .debug_aranges info.
512 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
514 * i386.c (call, call_value): Make sure that resulting call_insn
515 does have proper second operand.
517 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
519 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
520 function. Remove include of sys/cygwin.h.
522 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
524 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
525 (CPP_SPEC): Always search */include/w32api for header files.
526 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
527 (LINK_SPEC): Add "cyg" to the library search prefixes.
529 2001-04-08 Philip Blundell <philb@gnu.org>
531 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
533 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
535 * cpperror.c (print_location): Don't special case <stdin>.
536 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
537 WARNING, but we don't check if we're in system headers.
538 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
539 * cpplib.c (do_warning): Warn in system headers.
541 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
543 * mbchar.c: Include config.h first.
545 2001-04-07 Zack Weinberg <zackw@stanford.edu>
547 * config.gcc: Set default for xmake_file at top, not bottom.
548 Change places that set xmake_file to "none" to set to the
549 empty string instead, or remove them entirely if there is no
550 default xmake_file for this cpu_type. Remove references to
553 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
554 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
555 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
556 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
557 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
558 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
559 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
560 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
561 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
562 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
565 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
566 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
567 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
568 config/mips/x-sysv, config/rs6000/x-aix31:
569 Just set CLIB to -lld or -lmld, as appropriate.
571 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
572 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
573 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
574 config/mips/x-iris, config/pa/x-pa:
575 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
576 OTHER_FIXINCLUDES_DIRS.
578 * config/i386/x-djgpp: Don't set LN or LN_S.
579 * config/m88k/x-dolph: Don't define __m88k__.
580 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
581 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
582 * config/i860/fx2800.h: No need to #undef SVR4.
584 38 x-host fragments remain, 2 x-cpu.
586 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
588 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
590 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
592 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
594 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
596 * configure.in: Add check for lstat.
597 * configure, config.in: Regenerate.
598 * cppinit.c (append_include_chain): Make empty path ".".
599 * cpplib.c (do_line): Don't simplify #line paths.
600 * cppfiles.c (remove_component_p): New function.
601 (find_or_create_entry): Acknowledge stat () errors during
603 (handle_missing_header): Don't simplify paths.
604 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
605 the empty path untouched. Don't leave a trailing '/'.
607 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
609 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
610 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
612 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
614 * cppfiles.c (open_file): Fail directories silently, but
615 with an errno of NOENT set.
616 (read_include_file): Move the common exit code to the sole
617 caller. Return an int indicating success or failure. Let
618 open_file handle directories.
619 (stack_include_file): If read_include_file fails,
620 push a "null" buffer.
622 2001-04-05 DJ Delorie <dj@redhat.com>
624 * function.h (virtuals_instantiated): Declare.
625 * function.c: (virtuals_instantiated): Make global.
626 * calls.c (emit_library_call_value_1): Use
627 virtual_outgoing_args_rtx only if it hasn't been instantiated.
628 Otherwise, use the stack pointer directly.
630 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
632 * i386.c (x86_initialize_trampoline): New global function.
633 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
634 (INITIALIZE_TRAMPOLINE): Move offline.
635 * i386-protos.h (x86_initialize_trampoline): Declare.
637 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
639 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
640 (lea_0): Rename to lea_1.
641 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
642 (lea_general_?): Allow SImodes on TARGET_64BIT
643 (lea_general_?_zext): New patterns.
644 (call_1, call_1_rex64): Fix.
646 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
648 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
650 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
652 * i386.c (function_arg): Return constm1_rtx for last argument.
653 (ix86_expand_prologue): Update gen_call calls.
654 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
655 * i386.md (call_pop): Likewise.
656 (call): Second operand is VOIDmode.
657 (call_0): Likewise; Support 64bits.
658 (call_exp): New expander.
659 (call_1): Get to the sync.
660 (call_1_exp): New pattern.
661 (call_value): Support 64bit.
662 (call_value_exp): New pattern.
663 (untyped_call): Update gen_call call.
664 (call_value_pop): Disable for 64bit.
665 (call_value_0_rex64): New pattern.
666 (call_value_1_rex64): Likewise.
668 2001-04-05 Bo Thorsen <bo@suse.de>
670 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
672 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
674 * i386.md (*andsi_1+3): If used after reload, make sure the operand
675 satisfies ANY_QI_REG_P.
677 2001-04-05 Bernd Schmidt <bernds@redhat.com>
679 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
682 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
685 2001-04-04 Zack Weinberg <zackw@stanford.edu>
687 * config.gcc: Remove default for xm_file. Clean up local
688 machine type handling. Remove settings of xm_file to
689 something that doesn't exist. In the big switch, set xm_file,
690 don't append to it (the value before the big switch is always
691 null). Don't force build_xm_file or host_xm_file to have a value.
692 * configure.in: Remove default for xm_file. Do not special
693 case $cpu/xm-$cpu.h not existing.
694 * configure: Regenerate.
696 2001-04-04 Diego Novillo <dnovillo@redhat.com>
698 * simplify-rtx.c (simplify_binary_operation): Check for overflow
699 when folding integer division and modulo operations.
701 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
703 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
704 instead of DWARF2_ADDR_SIZE for EH addresses.
705 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
708 2001-04-04 Richard Henderson <rth@redhat.com>
710 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
711 * config/ia64/t-glibc (LIB2ADDEH): Disable.
712 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
714 2001-04-04 Richard Henderson <rth@redhat.com>
716 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
717 * configure: Rebuilt.
719 2001-04-04 Jakub Jelinek <jakub@redhat.com>
721 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
722 push insns to delete to it instead of deleting them.
723 (delete_null_pointer_checks): Delete insns from delete_list after
724 all delete_null_pointer_checks_1 passes are done.
726 2001-04-04 Richard Henderson <rth@redhat.com>
728 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
729 * configure: Rebuilt.
731 2001-04-04 Zack Weinberg <zackw@stanford.edu>
733 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
734 * config/romp/xm-romp.h: Delete.
736 2001-04-04 Bernd Schmidt <bernds@redhat.com>
738 * sched-deps.c (sched_analyze_insn): Partially revert March 27
741 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
743 * emit-rtl.c (mark_label_nuses) Increment the label uses for
744 all labels present in rtx.
745 (try_split) Call new function for all split insns.
747 2001-04-04 Jakub Jelinek <jakub@redhat.com>
749 * recog.c (validate_replace_rtx_1): Instead of aborting just make
750 sure the change won't be validated.
752 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
754 * rtl.h (set_noop_p): Declare.
755 * flow.c (set_noop_p): Move from here ...
756 * rtlanal.c (set_noop_p): ... to here and enhance.
757 * cse.c (delete_trivially_dead_insns): Use it.
758 * gcse.c (hash_scan_set): Likewise.
759 * jump.c (delete_noop_moves): Likewise.
760 * recog.c (split_all_insns): Likewise.
762 2001-04-04 Alan Modra <alan@linuxcare.com.au>
764 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
765 stack pointer via a LO_SUM. Ditto for setting a temp register
766 used to save to the stack. Set cfa_temp when setting fp, and
767 allow matches to cfa_temp in addition to cfa_store when saving
768 regs. Handle POST_INC and LO_SUM register stores. Document the
769 changes and errors in rule 12 doco.
771 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
772 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
773 (load_reg): Move closer to epilogue code.
774 (DO_FRAME_NOTES): Define to control the following..
775 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
776 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
778 (hppa_expand_epilogue): Likewise.
780 2001-04-03 Richard Henderson <rth@redhat.com>
782 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
783 * configure: Rebuild.
785 2001-04-03 Richard Henderson <rth@redhat.com>
787 * rtl.h (LCT_THROW): New.
788 * calls.c (emit_library_call_value_1): Handle it.
789 * except.c (connect_post_landing_pads): Use it.
791 2001-04-03 Zack Weinberg <zackw@stanford.edu>
793 * gansidecl.h: Delete file.
794 * configure.in: Change all refs to gansidecl.h to use
795 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
797 * configure: Regenerate.
799 * Makefile.in (intl.o): Don't depend on gansidecl.h.
800 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
801 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
802 Don't include gansidecl.h.
803 * intl.c, main.c, version.c, fixinc/fixlib.h,
804 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
807 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
809 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
812 2001-04-03 Zack Weinberg <zackw@stanford.edu>
814 * config/i386/xm-beos.h, config/i386/xm-isc.h,
815 config/i386/xm-next.h, config/i386/xm-sco.h,
816 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
817 config/m88k/xm-m88k.h: Delete.
819 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
820 * config/romp/xm-romp.h: Don't define bcopy.
821 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
822 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
824 * config.gcc: Remove references to deleted files.
826 14 xm-host.h remain, 1 xm-cpu.h.
828 2001-04-03 Jakub Jelinek <jakub@redhat.com>
829 David S. Miller <davem@pierdol.cobaltmicro.com>
830 Andrew MacLeod <amacleod@redhat.com>
832 Use byte offsets in SUBREGs instead of words.
834 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
835 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
836 to pass new argument.
837 (add_stored_regs): Use subreg_regno_offset function.
838 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
840 (precompute_arguments): Use gen_lowpart_SUBREG.
841 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
842 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
843 (simplify_set): Rework to use SUBREG_BYTE.
844 (expand_field_assignment): Use SUBREG_BYTE.
845 (make_extraction): Use SUBREG_BYTE.
846 (if_then_else_cond): Use SUBREG_BYTE.
847 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
848 (gen_lowpart_for_combine): Compute full byte offset.
849 * cse.c (mention_regs): Use SUBREG_BYTE.
850 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
851 (canon_hash): Use SUBREG_BYTE.
852 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
853 (gen_lowpart_if_possible): Formatting.
854 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
856 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
857 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
858 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
859 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
860 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
861 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
862 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
863 certain invariants about SUBREGs the compiler creates.
864 (gen_lowpart_SUBREG): New function.
865 (subreg_hard_regno): New function to get the final register number.
866 (gen_lowpart_common): Use SUBREG_BYTE.
867 (gen_imagpart): Spacing nits.
868 (subreg_realpart_p): Use SUBREG_BYTE.
869 (gen_highpart): Use SUBREG_BYTE.
870 (subreg_lowpart_p): Always compute endian corrected goal offset,
871 even at the byte level, then compare against that.
872 (constant_subword): New function, pulled out all constant cases
873 from operand_subword and changed second argument name to offset.
874 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
875 and call constant_subword to do the work. Return const0_rtx if
876 looking for a word outside of OP.
877 (operand_subword_force): Change second arg name to offset.
878 * expmed.c (store_bit_field): Use SUBREG_BYTE.
879 (store_split_bit_field): Use SUBREG_BYTE.
880 (extract_bit_field): Use SUBREG_BYTE.
881 (extract_split_bit_field): Use SUBREG_BYTE.
882 (expand_shift): Use SUBREG_BYTE.
883 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
884 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
885 * flow.c (set_noop_p): Use SUBREG_BYTE.
886 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
887 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
888 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
890 (optimize_bit_field): Use SUBREG_BYTE.
891 (purge_addressof_1): Use SUBREG_BYTE.
892 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
893 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
894 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
895 * gengenrtl.c (special_rtx): Add SUBREG.
896 * global.c (mark_reg_store): Use SUBREG_BYTE.
897 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
898 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
899 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
900 final byte offset is congruent to subreg's mode size.
901 (subst_constants): Use SUBREG_BYTE.
902 (mark_stores): Use subreg_regno_offset function.
903 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
904 function and SUBREG_BYTE.
905 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
906 (reg_is_born): Use subreg_hard_regno.
907 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
908 endian correction code. Don't combine subregs unless resulting
909 offset aligns with type. Fix subreg constant extraction for DImode.
910 Simplify SUBREG of VOIDmode CONST_DOUBLE.
911 (general_operand): Remove dead mode_altering_drug code.
912 (indirect_operand): Use SUBREG_BYTE.
913 (constrain_operands): Use subreg_regno_offset function.
914 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
915 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
916 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
917 * regs.h (REG_SIZE): Allow target to override.
918 (REGMODE_NATURAL_SIZE): New macro which target can override.
919 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
920 on the entire subreg rtx.
921 (push_reload): Use SUBREG_BYTE in comments and code.
922 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
923 for hard registers inside subregs.
924 (operands_match_p): Use subreg_regno_offset.
925 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
926 containing hard regs.
927 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
928 corrections when fixing up MEM subregs.
929 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
930 subreg_regno_offset where appropriate.
931 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
932 byte endian corrections when fixing up MEM subregs.
933 (subst_reloads): When combining two subregs, make sure final
934 offset is congruent to subreg's mode size.
935 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
936 (refers_to_regno_for_reload_p): Use subreg_regno.
937 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
938 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
939 correction code for memory subreg fixups.
940 (forget_old_reload_1): Use subreg_regno_offset.
941 (choose_reload_regs): Use subreg_regno.
942 (emit_input_reload_insns): Use SUBREG_BYTE.
943 (reload_combine_note_store): Use subreg_regno_offset.
944 (move2add_note_store): Use subreg_regno_offset.
945 * resource.c (update_live_status, mark_referenced_resources): Use
946 subreg_regno function.
947 (mark_set_resources): Use subreg_regno function.
948 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
949 (subreg_regno_offset, subreg_regno): Define prototypes.
950 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
951 (gen_lowpart_SUBREG): Add prototype.
952 * rtl.texi (subreg): Update to reflect new byte offset representation.
953 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
954 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
955 (reg_overlap_mentioned_p): Use subreg_regno.
956 (replace_regs); Make sure final offset of combined subreg is
957 congruent to size of subreg's mode.
958 (subreg_regno_offset): New function.
959 (subreg_regno): New function.
960 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
961 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
962 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
963 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
964 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
965 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
966 (a29k_get_reloaded_address): Use SUBREG_BYTE.
967 (print_operand): Use SUBREG_BYTE.
968 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
969 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
970 (arm_reload_out_hi): Use SUBREG_BYTE.
971 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
972 instead of SUBREG_WORD.
973 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
974 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
975 SUBREG creation to use byte offset.
976 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
977 inverted load insns): Fix explicit rtl subregs to use byte
979 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
980 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
981 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
982 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
984 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
985 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
986 offsets, also make sure it is congruent to SUBREG's mode size.
987 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
988 unnamed ldob insn): Generate SUBREGs with byte offset.
989 (zero_extendqihi2): SUBREG's are byte offsets.
990 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
991 (m68hc11_gen_highpart): Use SUBREG_BYTE.
992 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
993 zero-extendqisi2): Generate SUBREGs with byte offset.
994 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
995 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
996 subregs in rtl to use byte offsets.
997 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
998 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
999 (mips_move_2words): Use subreg_regno_offset.
1000 (mips_secondary_reload_class): Use subreg_regno_offset.
1001 * config/mips/mips.md (DImode plus, minus, move, and logical op
1002 splits): Fixup explicit subregs in rtl to use byte offsets.
1003 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1004 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1005 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1006 rtl to use byte offsets.
1007 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1008 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1009 subregs to use byte offsets.
1010 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1011 Fixup explicit subregs in rtl to use byte offsets.
1012 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1013 and remove byte endian correction code.
1014 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1015 (gen_ashift_hi): Use SUBREG_BYTE.
1016 (regs_used): Use subreg_regno_offset.
1017 (machine_dependent_reorg): Use subreg_regno_offset.
1018 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1019 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1020 (movdf_i4): Subregs are byte offsets now.
1021 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1022 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1023 (REGMODE_NATURAL_SIZE): Override.
1024 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1025 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1027 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1028 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1029 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1030 it is congruent to SUBREG's mode size.
1031 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1033 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1034 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1035 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1036 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1037 * config/v850/v850.c (print_operand, output_move_double): Use
1038 subreg_regno function.
1040 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1042 * configure.in (target_subdir): Use target_alias, not target.
1043 * configure: Rebuilt.
1045 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1047 * config/sh/crti.asm: Fix typos in comments.
1049 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1051 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1052 TARGET_FAST_INDIRECT_CALLS.
1053 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1055 (return_addr_rtx): Short circuit export stub matching when
1056 TARGET_NO_SPACE_REGS.
1057 (output_millicode_call): For out of range calls, make -fPIC
1058 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1059 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1060 * pa.md: Modify length attr calculation of all millicode insns to
1063 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1065 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1066 Require at least 2.11 in the version test. Specifically check
1067 for and reject GAS version 2.10.90.
1068 * configure: regenerate.
1070 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1072 * pa.c (override_options): Remove PIC profiling warning.
1073 (hp_profile_labelno): Delete.
1074 (hp_profile_label_rtx): Delete.
1075 (hp_profile_label_name): Delete.
1076 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1077 (output_function_prologue): Remove profiling code and all tests on
1078 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1079 merge_sp_adjust_with_store can work for PIC and profiling.
1080 (hppa_expand_epilogue): Remove profile_flag test.
1081 (hppa_can_use_return_insn_p): Likewise.
1082 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1083 cater for PROFILE_HOOK.
1084 (hppa_profile_hook): New function.
1085 * pa.h (FUNCTION_PROFILER): Now does nothing.
1086 (PROFILE_HOOK): Define.
1087 (hppa_profile_hook): Declare.
1088 (PROFILE_BEFORE_PROLOGUE): Delete.
1089 (ASM_OUTPUT_REG_PUSH): Delete.
1090 (ASM_OUTPUT_REG_POP): Delete.
1091 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1092 r24. Accept function name operand, and use this and a locally
1093 generated label to calculate pc-rel offset to func start.
1095 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1097 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1098 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1101 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1103 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1104 LO_SUM cases to where they belong.
1106 2001-04-02 Richard Henderson <rth@redhat.com>
1108 * except.h (lang_eh_type_covers): Mark extern.
1109 (lang_eh_runtime_type): Likewise.
1111 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1113 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1114 gengenrtl.c: Wrap generated header in multiple-include guard.
1115 Improve error checking.
1117 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1119 * configure.in: Don't check for putenv.
1120 * configure: Regenerate.
1121 * gcc.c (putenv): Don't define.
1122 * vax/xm-vms.h: Handle putenv.
1124 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1126 * ifcvt.c (noce_emit_move_insn): New.
1127 (noce_try_store_flag, noce_try_store_flag_constants,
1128 noce_try_store_flag_inc, noce_try_store_flag_mask,
1129 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1130 noce_try_abs): Use it.
1131 (noce_process_if_block): Likewise.
1132 For STRICT_LOW_PART, take mode from its SUBREG.
1134 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1136 * fold-const.c (fold): Before optimizing unsigned comparison with
1137 0x7fffffffU, make sure arg0 is integral type.
1139 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1141 * c-tree.texi: Document representation of wide strings.
1143 2001-04-01 Richard Henderson <rth@redhat.com>
1145 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1147 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1149 * i386.md: remove obsoleted comments.
1150 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1151 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1152 fix output template.
1154 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1156 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1158 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1160 * loop.c (load_mems): When generating a load from a pseudo, update
1163 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1165 * i386.c (ix86_split_long_move): Use change address to compensate
1166 stack pointer change in push instruction.
1168 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1170 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1171 instead of rtx_equal_p; fix the output template.
1173 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1175 * i386.c (ix86_expand_setcc): Support 64bit.
1176 (ix86_expand_int_movcc): Likewise.
1177 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1180 * i386.md (allocate_stack_worker): Turn to expander.
1181 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1183 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1185 2001-03-29 Richard Henderson <rth@redhat.com>
1187 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1189 2001-03-28 Matthew Hiller <hiller@redhat.com>
1191 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1194 * MAINTAINERS: Added self.
1196 2001-03-28 Richard Henderson <rth@redhat.com>
1198 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1199 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1201 2001-03-28 Jim Wilson <wilson@redhat.com>
1203 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1206 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1208 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1210 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1213 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1215 2001-03-28 DJ Delorie <dj@redhat.com>
1217 * Makefile.in (stage1_build): Revert CFLAGS patch.
1219 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1221 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1222 when multiplier or multiplicand is zero.
1224 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1226 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1228 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1230 (set_src_needs_barrier): Likewise.
1231 (rtx_needs_barrier): For SET case, use these two functions. Rework
1232 PARALLEL case to handle all inputs before all outputs.
1233 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1234 saw a label and no stop bit since then.
1235 (maybe_rotate, process_epilogue): Add prototypes.
1237 2001-03-28 Richard Henderson <rth@redhat.com>
1239 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1240 not TARGET_TOC for special toc restore handling.
1241 * config/rs6000/rs6000.md (eh_return): Likewise.
1243 2001-03-28 Richard Henderson <rth@redhat.com>
1245 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1246 current_function_calls_eh_return.
1247 (output_function_epilogue): Handle eh_return.
1248 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1249 (EH_RETURN_DATA_REGNO): New.
1250 (EH_RETURN_STACKADJ_RTX): New.
1251 (EH_RETURN_HANDLER_RTX): New.
1252 * config/sparc/sparc.md (call/short branch peepholes): Check
1253 can_throw_internal instead of in_same_eh_region.
1255 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1256 for eh_return data registers.
1257 (rs6000_emit_prologue): Save eh_return data registers.
1258 (rs6000_emit_epilogue): Force inline restores if eh_return.
1259 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1260 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1261 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1262 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1263 the target uses one.
1264 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1265 (return_eh_si, return_eh_di): Remove.
1266 (eh_return): New, from corpse of eh_epilogue.
1267 (eh_set_lr_si, eh_set_lr_di): New.
1269 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1270 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1271 True for pic register if current_function_calls_eh_return.
1272 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1273 Handle eh_return requirements.
1274 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1275 (EH_RETURN_STACKADJ_RTX): New.
1276 * config/i386/i386.md (exception_receiver): Remove.
1277 (eh_return, eh_return_1): New.
1278 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1280 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1281 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1282 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1283 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1284 (EH_RETURN_DATA_REGNO): New.
1285 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1286 * config/alpha/alpha.md (eh_epilogue): Remove.
1287 (exception_receiver): Use $26 for ldgp input.
1288 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1290 2001-03-28 Richard Henderson <rth@redhat.com>
1292 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1293 * except.h: Likewise.
1295 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1296 (LIB2ADDEHDEP): New.
1297 (LIB2FUNCS_EH): Remove.
1298 (LIB2ADD): Remove LIB2ADDEH.
1299 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1300 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1301 (crt{begin,end}[S].o): Likewise.
1302 (except.o): Update includes.
1303 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1304 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1306 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1307 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1308 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1309 * builtins.c (expand_builtin): Implement it.
1310 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1311 * c-common.c (c_common_nodes_and_builtins): Declare it.
1312 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1313 * calls.c (libfunc_nothrow): Remove.
1314 (emit_library_call_value_1): Don't call it.
1315 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1316 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1317 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1318 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1319 (current_funcdef_number): Globalize.
1320 (output_call_frame_info): Emit frame data if an lsda is needed.
1321 Generate augmentation for personality routine. Don't play with
1323 (dwarf2out_begin_prologue): Record funcdef_number.
1324 * dwarf2out.h (current_funcdef_number): Declare.
1325 * expr.c (expand_expr): Update for except.h name changes.
1326 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1327 * expr.h (LTI_throw, LTI_rethrow): Remove.
1328 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1329 (LTI_eh_rtime_match): Remove.
1330 (LTI_unwind_resume, LTI_eh_personality): Add.
1331 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1332 * final.c (final): Don't call check_exception_handler_labels,
1333 init_insn_eh_region, or free_insn_eh_region.
1334 (final_scan_insn): Always emit debug labels for
1335 NOTE_INSN_EH_REGION notes.
1336 * flags.h (flag_new_exceptions): Remove.
1337 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1338 (record_active_eh_regions): Remove.
1339 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1340 Use can_throw_internal.
1341 (find_basic_blocks_1): Likewise.
1342 (move_stray_eh_region_notes): Remove.
1343 (find_label_refs): No eh_return_stub_label.
1344 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1345 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1347 (delete_unreachable_blocks): Don't track deleted handlers.
1348 (flow_delete_block): Use maybe_remove_eh_handler.
1349 (delete_eh_regions): Remove.
1350 (merge_blocks): Don't check for eh region match.
1351 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1352 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1353 (init_propagate_block_info): Disable dead frame store optimization
1354 when current_function_calls_eh_return.
1355 (dump_bb): Don't print eh_beg, eh_end.
1356 * function.c (fixup_var_refs): No catch_clauses.
1357 (expand_function_end): Likewise. Call expand_eh_return before
1358 the return register use. Call sjlj_emit_function_exit_after.
1359 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1360 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1361 * ifcvt.c (dead_or_predicable): Remove eh region check.
1362 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1363 Don't check for EH vs parameters.
1364 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1365 (expand_inline_function): Call duplicate_eh_regions.
1366 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1367 (copy_insn_notes): Remap REG_EH_REGION notes.
1368 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1369 * integrate.h (struct inline_remap): Add local_return_label.
1370 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1371 check_exception_handler_labels, nor exception_optimize.
1372 (find_cross_jump): No EH region check.
1373 * optabs.c (init_optabs): Update for changed eh libfuncs.
1374 * rtl.def (RESX): New.
1375 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1376 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1377 checks. Update for except.h name changes.
1378 (expand_cleanups): Likewise.
1379 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1380 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1381 (compile_file): Call init_eh before init_optabs. Don't
1382 output_exception_table here.
1383 (rest_of_compilation): Call convert_from_eh_region_ranges,
1384 convert_to_eh_region_ranges, output_function_exception_table.
1385 Don't emit_eh_context.
1386 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1387 (EXC_PTR_EXPR): New.
1389 * md.texi (eh_epilogue): Remove.
1390 (eh_return): Document.
1391 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1392 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1394 * eh-common.h: Remove file.
1395 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1396 * libgcc2.c (L_eh): Remove.
1398 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1399 * unwind-dw2-fde.h: New file.
1400 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1401 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1402 * libgcc-std.ver: Update for eh symbols.
1404 2001-03-27 Richard Henderson <rth@redhat.com>
1406 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1407 reduce false positives.
1408 (regmove_optimize): Disable if flag_non_call_exceptions.
1410 * stmt.c (expand_return): Remove always true predicate.
1411 (expand_decl_cleanup_no_eh): Remove dead code.
1413 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1414 barrier code. Add a scheduling barrier if a non-call insn
1415 can throw internally.
1417 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1418 Auto-inc addresses trap only if their base register does.
1420 * except.c (can_throw_internal): Rename from can_throw.
1421 * except.h, resource.c: Update references.
1423 * integrate.c (copy_insn_list): Use returnjump_p.
1424 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1426 * function.h (struct function): Move all boolean valued fields
1427 to single bit fields at the end of the struct.
1429 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1431 Rename asynchronous_exceptions to flag_non_call_exceptions.
1433 * gthr-single.h (UNUSED): New. Distinguish between how C
1434 and C++ mark unused function arguments. Use throughout.
1436 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1437 value to target configuration header.
1438 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1439 * config.in, configure: Rebuild.
1440 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1441 configuration and target defines.
1442 (exceptions_via_longjmp): Remove.
1443 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1444 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1446 * except.h (flag_non_call_exceptions): Move ...
1447 * flags.h: ... here.
1449 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1450 exceptions, put the note on the trapping instruction.
1452 * flags.h (flag_new_exceptions): Remove.
1453 * toplev.c: Don't set it.
1454 * final.c: Don't check it.
1455 * except.c: Provide stub definition.
1457 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1458 (calculate_global_regs_live): Kill call-clobbered registers
1459 across exception edges.
1460 * reg-stack.c (convert_regs_1): Kill the entire target stack
1461 across non-call exception edges.
1463 * flow.c (cleanup_cfg): Take no argument.
1464 * output.h, sibcall.c, toplev.c: Update all calls.
1466 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1468 * configure.in: Don't check for bcopy.
1469 * configure, config.in: Regenerate.
1471 * system.h: Don't define or prototype bcopy, instead poison it.
1473 2001-03-27 Richard Henderson <rth@redhat.com>
1475 * function.c (expand_function_start): Set DECL_REGISTER on
1476 a pseudo used for DECL_RESULT.
1478 * rtl.h (LCT_NORETURN): New.
1479 * calls.c (emit_library_call_value_1): Handle it.
1481 2001-03-27 Stan Shebs <shebs@apple.com>
1483 * objc/objc-act.c (objc_init): Use dump_base_name.
1484 (gen_declaration): Clear the buffer arg.
1485 (gen_declaration_1): New function, body of gen_declaration.
1486 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1487 (gen_method_decl): Ditto, plus always clear buffer arg.
1488 (error_with_ivar): Simplify.
1489 (warn_with_method): Ditto.
1490 (build_message_expr): Don't clear buffers.
1491 (dump_interface): Ditto.
1492 (objc_debug): Ditto.
1493 (build_keyword_selector): Clear the buffer by only zeroing
1495 (objc_implementation_context): Declare.
1496 (start_class): Warn about missing @end.
1497 (finish_objc): Ditto.
1499 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1501 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1503 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1505 * Makefile.in (SYSTEM_H): Define.
1506 Depend on $(SYSTEM_H), not system.h.
1508 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1510 2001-03-27 Jim Wilson <wilson@redhat.com>
1512 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1514 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1515 (process_epilogue): New static function.
1516 (process_set): Call process_epilogue instead of emitting .restore
1518 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1520 * flow.c (struct reg_cond_life_info): New fields orig_condition
1522 (init_propagate_block_info): Set new fields.
1523 (mark_regno_cond_dead): Set and use new fields.
1524 (flush_reg_cond_reg_1): Likewise.
1525 (and_reg_cond, case AND): Check for redundant AND conditions.
1526 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1529 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1531 * cppmacro.c (stringify_arg): Null terminate strings.
1533 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1535 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1536 inclusion style. xm-m68hc11.h no longer exists.
1537 * config/m68hc11/xm-m68hc11.h: Delete file.
1538 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1540 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1541 Don't define GCC_VERSION, N_, or PARAMS; don't include
1542 gansidecl.h or stdio.h. Define inhibit_libc here.
1543 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1544 Delete code conditioned on #if GCC_VERSION == 2095.
1546 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1547 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1548 Delete code conditioned on #if GCC_VERSION == 2095.
1550 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1552 * system.h: Include symcat.h.
1553 (STRINGIFY): Don't define.
1555 * configure.in: Adjust comment.
1557 * builtins.c: Use STRINGX, not STRINGIFY.
1558 * gencheck.c: Likewise.
1559 * gengenrtl.c: Likewise.
1560 * protoize.c: Likewise.
1562 * cpplex.c: Don't include symcat.h.
1563 * cpplib.c: Likewise.
1565 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1567 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1569 * c-typeck.c (digest_init): Fold init expression.
1571 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1573 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1575 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1577 * except.c (eh_regs): Save results of build_pointer_type to a temp
1578 as FUNCTION_VALUE macro may evaluate its args multiple times.
1580 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1582 * c-common.h (DECL_NUM_STMTS): New macro.
1583 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1585 (pushdecl): Likewise.
1586 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1587 * integrate.c (expand_inline_function): Don't check
1589 * print-tree.c (print_node): Don't print it.
1590 * toplev.c (rest_of_compilation): Don't try to inline when
1591 flag_no_inline is on.
1592 * tree.h (DECL_FRAME_SIZE): Remove.
1593 (tree_decl): Adjust accordingly.
1595 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1597 * combine.c (try_combine): Use memcpy, not bcopy.
1599 * genattrtab.c (expand_units): Likewise.
1601 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1603 * i386.md (push mem DI peep2): New.
1604 (mov 0, mov -1 peep2): Handle 64bit.
1605 (lea to arithmetics peep2): Handle 64bit leas.
1606 (rsp arithmetics to push/pop peep2s): New.
1608 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1610 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1612 * i386.c (struct machine_function): Add save_varrargs_registers.
1613 (ix86_save_varrargs_registers): New macro.
1614 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1615 (ix86_expand_prologue): Likewise.
1616 (ix86_emit_epilogue_esp_adjustement): Likewise.
1617 (ix86_expand_epilogue): Likewise.
1618 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1619 (pro_epilogue_adjust_stack_1): New insn.
1620 (pro_epilogue_adjust_stack_rex64): Likewise.
1621 * i386.h (MASK_NO_RED_ZONE): New constant.
1622 (TARGET_RED_ZONE): New macro.
1623 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1624 (RED_ZONE_SIZE): New constant.
1625 (RED_ZONE_RESERVE): New constant.
1627 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1629 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1631 2001-03-25 Kazu Hirata <kazu@hxi.com>
1633 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1636 (umodhi3): Likewise.
1639 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1641 * mkconfig.sh (DEFINES): Handle entries with '='.
1643 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1644 Set xm_defines to MACRO=value instead.
1646 * i370/xm-mvs.h: Delete.
1648 * ns32k/xm-pc532-min.h: Likewise.
1650 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1652 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1654 use ix86_expand_binary_operator
1655 (?sh??i_?): Disable for 64bit.
1656 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1657 * i386.c (shiftdi_operand): New predicate.
1659 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1660 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1661 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1662 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1663 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1664 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1665 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1666 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1667 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1668 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1669 (rotldi3, rotrdi3): New expanders.
1671 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1673 * i386.md (movstrsi): Move offline.
1675 (strmovdi_rex64): New.
1676 (strmov?i): Accept 64bit.
1677 (strmov?i_rex64): New.
1678 (strmov?i_rex_1): New.
1679 (strmov?i_1): Disable for 64bit.
1680 (rep_mov?i_rex64): New.
1681 (rep_mov?i): Disable for 64bit.
1682 (clrstrsi): Move offline.
1683 (strset?i_rex64): New.
1684 (strset?i: Accept 64bit.
1685 (rep_stos?i): Disable for 64bit.
1686 (rep_stos?i_rex64): New.
1687 (strset?i_rex_1): New.
1688 (strset?i_1): Disable for 64bit.
1689 (cmpstrsi): Accept 64bit.
1690 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1691 (cmpstrqi_nz_rex_1): New.
1692 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1693 (strlensi): Move offline.
1695 (strlenqi_1): Disable for 64bit; fix constraints.
1696 (strlenqi_rex_1): New.
1697 * i386.c (ix86_adjust_counter): New static function.
1698 (ix86_zero_extend_to_Pmode): Likewise.
1699 (ix86_expand_aligntest): Likweise.
1700 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1701 (ix86_expand_movstr): New global function.
1702 (ix86_expand_clrstr): New global function.
1703 (ix86_expand_strlen): New global function.
1704 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1705 ix86_expand_strlen): Declare.
1706 (ix86_expand_strlensi_unroll_1): Delete.
1708 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1710 * i386.md (cmpdi): Fix operand predicates.
1711 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1712 cmpdi_1_insn_rex64): New patterns.
1713 (adddi3): Turn to expander.
1714 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1715 (addsi3_carry_zext): New pattern.
1716 (adddi_?_rex64): New patterns and splitters.
1717 (addsi_?_zext): New patterns.
1718 (subsi3_carry_zext): New pattern.
1719 (subdi_?_rex64): New patterns and splitters.
1720 (iorsi_?_zext): New patterns.
1721 (iordi_?_rex64): New patterns and splitters.
1722 (iorsi_?_zext): New patterns.
1723 (iorsi_?_zext_imm): New patterns.
1724 (xorsi_?_zext): New patterns.
1725 (xordi_?_rex64): New patterns and splitters.
1726 (xorsi_?_zext): New patterns.
1727 (negdi*): New patterns.
1728 (one_cmpldi*): Likewise.
1729 (one_cmplsi*_zext, negsi*_zext): Likewise.
1730 (testqi_ext_3_rex64): New pattern.
1732 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1734 * i386-protos.h (ix86_split_long_move): Return void.
1735 * i386.c (ix86_split_to_parts): Handle 64bit target.
1736 (ix86_split_long_move): Likewise.
1737 * i386.md (all calls to ix86_split_long_move): Update.
1739 2001-03-23 Richard Henderson <rth@redhat.com>
1741 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1742 to avoid shadowing arguments.
1744 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1746 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1747 to variable names where DECL_NAME is different from
1748 DECL_ASSEMBLER_NAME.
1750 2001-03-23 Jim Wilson <wilson@redhat.com>
1752 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1753 (assemble_alias): Call make_decl_rtl.
1755 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1757 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1759 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1761 * extend.texi: Document the "java_interface" attribute.
1763 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1765 * mkconfig.sh: Use a subshell with redirected stdout,
1766 instead of closing stdout and confusing commands that run
1767 afterward. Throw away output of cmp.
1769 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1771 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1773 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1775 * i386.md (zero_extendsidi2_32): Break out from ...
1776 (zero_extendsidi2): ... here ; turn to expander.
1777 (zero_extendsidi2_rex64): New.
1778 (extendsidi2_32): Break out from ...
1779 (extendsidi2): ... here ; turn to expander.
1780 (extendsidi2_rex64): New.
1781 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1782 (trunc?f?f splitters): Add 64bit versions.
1784 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1786 * i386.md (pushsi, pushsi2_prologue): Disable.
1787 (pushsi2_rex64): New.
1788 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1789 (movqi_ext_1): Disable for 64bit.
1790 (movqi_ext_1_rex64): New.
1791 (pushdi2_rex64): New pattern, peep2s and splitter.
1792 (pushdi2_prologue_rex64): New pattern.
1793 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1795 (movdi splitters): Disable for 64bit.
1796 (movdi_1_rex64): New pattern, peep2s and splitters.
1797 (swapdi): New pattern.
1798 (pushsf): Disable for 64bit.
1799 (pushsf_rex64): New pattern and splitter.
1800 (pushdf_nointeger): Disable for 64bit.
1801 (pushdf_integer): Handle the 64bit case.
1802 (pushtf): Likewise; update splitters.
1804 2001-03-22 Richard Henderson <rth@redhat.com>
1806 * mkconfig.sh: Include insn-flags.h.
1807 * Makefile.in (CONFIG_H): Include insn-flags.h.
1808 (lots of objects): Remove insn-codes.h and insn-flags.h.
1810 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1811 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1812 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1813 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1814 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1815 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1816 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1817 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1818 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1819 v850/v850.c, vax/vax.c:
1820 Don't include insn-flags.h.
1822 * diagnostic.c, expr.h, reload.c, toplev.c:
1823 Don't include insn-codes.h.
1825 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1826 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1827 c4x/c4x.c, i960/i960.c, mips/mips.c:
1828 Don't include insn-codes.h or insn-flags.h.
1830 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1831 or insn-flags.h in the generated code.
1832 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1833 (main): Forward declare struct rtx_def.
1835 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1837 * invoke.texi (-ffast-math): Remove duplicate line about
1840 * gcc.texi: Remove more obsolete documentation of bugs and
1841 installation problems.
1843 2001-03-21 Kazu Hirata <kazu@hxi.com>
1845 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1848 2001-03-20 Jason Merrill <jason@redhat.com>
1850 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1852 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1853 * varasm.c (CHKR_PREFIX): Likewise.
1855 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1857 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1858 is part of a multi-SET insn.
1860 * cse.c (find_comparison_args): Remove previous change.
1861 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1864 * config/i386/i386.md (conditional_trap): Remove warning.
1866 * recog.c (push_operand): Fix error in last change that caused
1867 undefined symbol on many targets.
1869 * sdbout.c: #include ggc.h.
1870 (sdbout_init): Move to end of file.
1871 Call ggc_add_tree_root for anonymous_types.
1872 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1873 (sdbout_one_type): Use DECL_NAME for field name.
1874 * Makefile.in (sdbout.o): Show includes ggc.h.
1876 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1878 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1879 (override_options): Use properlimits for preferred_stack_boundary.
1880 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1882 (ext_register_operand): Accept DImode.
1883 (load_pic_register): Abort on 64bit.
1884 (gen_push): Use Pmode instead of SImode.
1885 (ix86_save_reg): Pic reg is never used on 64bit.
1886 (ix86_expand_prologue): Likewise.
1887 (ix86_emit_save_regs): Use Pmode instead of SImode.
1888 (legitimate_address_p): Check displacement for 64bit.
1889 (print_operand): Avoid outputting of (%rip) on 64bit.
1890 (print_operand_address): Output (%rip) where possible.
1891 (split_di): Abort on 64bit registers.
1892 (ix86_expand_branch): DImode comparison is simple for x86_64.
1893 (memory_address_length): Recognize memory addresses formed using
1895 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1897 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1899 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1901 * recog.c (push_operand): Recognize new format of push instructions.
1903 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1905 * i386.md (pushqi1): New.
1906 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1907 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1908 x86_64_immediate_operand, x86_64_immediate_operand,
1909 x86_64_zext_immediate_operand): Declare.
1910 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1911 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1912 x86_64_immediate_operand, x86_64_immediate_operand,
1913 x86_64_zext_immediate_operand): define.
1914 * i386.h (PREDICATE_CODES): Add new predicates.
1916 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1918 * i386.md (pophi1, popqi1, pushqi1): Remove.
1920 * expr.c (emit_single_push_insn): New function.
1921 (move_by_pieces): Accept NULL as destination for push instructions.
1922 (gen_push_operand): Kill.
1923 (emit_push_insn): Pass NULL when pushing; avoid updating of
1924 stack_pointer_delta.
1925 * expr.h (gen_push_operand): Kill.
1927 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1929 * rtl.texi (COMPARE): Clarify documentation and reference section
1932 2001-03-20 Stan Shebs <shebs@apple.com>
1934 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1935 (get_object_reference): Ditto.
1936 (error_with_ivar): Use error_with_file_and_line.
1937 (warn_with_method): Use warning_with_file_and_line.
1939 2001-03-20 Tom Tromey <tromey@redhat.com>
1941 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1943 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1945 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1946 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1948 2001-03-20 DJ Delorie <dj@redhat.com>
1950 * Makefile.in (install-libgcc): Pass complete list of variables.
1951 (install-multilib): Ditto.
1953 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1955 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1956 drectve_section, switch_to_section.
1958 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1959 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1960 i386_pe_mark_dllimport.
1962 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1964 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1965 functions i386_pe_*.
1967 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1968 i386_pe_* functions with char * arguments.
1970 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1972 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1974 (movsi_ie): Introduce fpul store.
1976 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1978 * Makefile.in (OBJS): Remove hashtab.o.
1980 2001-03-19 Stan Shebs <shebs@apple.com>
1982 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1983 * c-lang.c (maybe_objc_method_name): Ditto.
1984 * c-tree.h (maybe_objc_method_name): Remove decl.
1986 2001-03-19 Tom Tromey <tromey@redhat.com>
1988 * gcc.c (init_gcc_specs): Fix comment.
1990 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1992 Compute DECL_ASSEMBLER_NAME lazily.
1993 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1994 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1995 (SET_DECL_ASSEMBLER_NAME): Likewise.
1996 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1997 (set_decl_assembler_name): Declare.
1998 (lang_set_decl_assembler_name): Likewise.
1999 * tree.c (lang_set_decl_assembler_name): New variab.e
2000 (set_decl_assembler_name): New function.
2001 (init_obstacks): Set lang_set_decl_assembler_name.
2002 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2003 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2004 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2005 where it's not necessary.
2006 (builtin_function): Likewise.
2007 (finish_decl): Likewise.
2008 * dbxout.c (dbxout_type_methods): Likewise.
2009 * ggc-common.c (ggc_mark_trees): Likewise.
2010 * profile.c (output_func_start_profiler): Likewise.
2011 * varasm.c (make_decl_rtl): Likewise.
2013 * cse.c (find_comparison_args): Update documentation. Fix
2014 mishandling of COMPARE operations.
2016 * tree.def (ABS_EXPR): Add documentation.
2017 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2019 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2021 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2023 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2025 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2026 Remove ia32 linux PIC kludge and move it...
2027 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2029 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2031 * i386.md (absdf2 expander): Fix 64bit case.
2033 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2035 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2037 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2039 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2041 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2043 * README.X11: Remove obsolete file.
2045 2001-03-18 Anthony Green <green@redhat.com>
2047 * config/pj/pj.h: Remove some trailing commas.
2048 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2050 2001-03-18 Richard Henderson <rth@redhat.com>
2052 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2053 * calls.c: ... here.
2054 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2055 defaults for them here.
2057 2001-03-17 Anthony Green <green@redhat.com>
2059 * config/pj/lib1funcs.S: Fix broken comment.
2060 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2063 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2065 * gcc.texi: Remove obsolete information relating to build and
2066 installation problems with enquire or the Pyramid C compiler.
2068 2001-03-17 Richard Henderson <rth@redhat.com>
2070 * dwarf2out.c (queue_reg_save): New.
2071 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2072 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2074 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2075 (cfa, cfa_store, cfa_temp): Make static.
2076 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2078 2001-03-17 Richard Henderson <rth@redhat.com>
2080 * integrate.h (struct inline_remap): Add local_return_label.
2081 * integrate.c (expand_inline_function): Initialize it and emit
2082 it after copy_insn_notes.
2083 (copy_insn_list): Don't store local_return_label here.
2084 (copy_insn_notes): New function split out from copy_insn_list.
2086 2001-03-17 Richard Henderson <rth@redhat.com>
2088 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2089 is generating .debug_line.
2090 (dwarf2out_init): Add main_input_filename to the file table first.
2091 * configure.in (as_dwarf2_debug_line): Test with file number 1
2092 instead of file number 0.
2094 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2096 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2097 (gen_rtx_combine): Deleted; all references changed as appropriate.
2098 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2100 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2102 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2104 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2107 2001-03-16 Jim Wilson <wilson@redhat.com>
2109 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2110 then set it to LOC_REG (79) instead of aborting.
2112 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2114 * gccbug.in: Remove high priority.
2116 2001-03-16 Richard Henerson <rth@redhat.com>
2118 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2119 output with a space instead of deleting it.
2120 * configure: Regenerate.
2122 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2124 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2125 handles the gory details of converting an object file into
2126 something that's safe to grep.
2127 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2128 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2129 newlines at either end of the string we're looking for.
2130 Make 'checking ...' message less stilted.
2131 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2132 ARM in-memory layout and its hypothetical converse. Don't
2133 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2134 HOST_WORDS_BIG_ENDIAN.
2136 * configure.in: Adjust for renamed macro. Move
2137 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2138 * configure, config.in: Regenerate.
2140 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2142 * fixinc/Makefile.in: Set SHELL.
2144 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2146 * fixinc/fixincl.c (fix_with_system): Quote file names before
2147 passing them to shell.
2149 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2151 * Makefile.in: Use fix-header$(build_exeext) instead
2154 2001-03-16 Richard Henderson <rth@redhat.com>
2156 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2157 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2158 (size_of_line_prolog): Remove.
2159 (output_line_info): Compute prologue size via label difference.
2160 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2162 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2163 assembler error when redefining file numbers.
2164 * config.in, configure: Rebuild.
2166 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2167 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2168 (dw2_asm_output_delta_uleb128): Likewise.
2169 (dw2_asm_output_delta_sleb128): Similarly.
2170 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2172 2001-03-16 Michael Meissner <meissner@redhat.com>
2174 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2176 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2178 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2180 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2181 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2182 being unsigned in ISO C and signed in traditional.
2183 (expand_prologue): Ditto.
2184 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2186 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2188 (divsi3,divdi3): Ditto.
2189 (modsi3,moddi3): Ditto.
2190 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2191 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2192 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2195 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2197 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2198 SSE based conditional moves on LTGT/UNEQ conditions;
2199 Canonicalize EQ to NE.
2200 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2201 (sse_mov?fcc_ne): New.
2203 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2205 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2207 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2208 register may be dead.
2210 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2212 * Makefile.in (hash.o): Depend on CONFIG_H.
2214 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2216 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2218 2001-03-15 Richard Henderson <rth@redhat.com>
2220 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2221 (ASM_OUTPUT_DWARF_PCREL): New.
2222 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2224 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2226 * cppfiles.c (stack_include_file): Use MAX of sysp.
2228 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2230 * config.gcc (ia64*-*-hpux*): New case.
2231 * config/ia64/hpux.h: New file for HP-UX support.
2232 * config/ia64/t-hpux: New file for HP-UX support.
2234 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2236 * fixinc/inclhack.def (irix_stdio_va_list): New.
2237 * fixinc/fixincl.x: Rebuilt.
2239 2001-03-15 Richard Henderson <rth@redhat.com>
2241 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2242 if provided by the target.
2243 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2244 (dw2_asm_output_addr): New.
2245 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2246 * dwarf2out.c (output_cfi): Use it for program addresses.
2247 (output_call_frame_info, output_die): Likewise.
2248 (output_aranges, output_line_info): Likewise.
2250 2001-03-15 Bruce Korb <bkorb@gnu.org>
2252 * gcc.c(main): make more rigorous
2253 * collect2.c(main): guard against ignoring SIGCHLD
2254 * protoize.c(main): ditto
2255 * gcc/fixinc/fixincl.c(initialize): ditto
2257 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2259 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2260 (sdbout_parms): Likewise.
2262 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2264 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2265 "widen" a destination that is already wider than a word. Also do
2266 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2268 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2270 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2272 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2274 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2276 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2278 * i960.h (i960_maxbitalignment,
2279 i960_last_maxbitalignment): Declare.
2280 * i960.c (i960_maxbitalignment,
2281 i960_last_maxbitalignment): Make global.
2282 (process_pragma): Delete.
2283 (i960_pr_align, i960_pr_noalign): Move from here ...
2284 * i960-c.c: ... to this new file.
2285 * t-960bare (i960-c.o): New rule.
2286 * t-vxworks960 (i960-c.o): Likewise.
2287 * config.gcc (i960-*-*): Define c_target_objs and
2290 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2292 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2293 without adding in rtx code and mode.
2295 * alias.c (init_alias_analysis): Don't use any rtx whose value
2296 varies as a known value.
2297 Delete a superfluous test.
2299 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2301 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2302 scheduling a stop bit.
2303 (ia64_emit_nops): Correctly handle ASMs.
2305 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2307 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2309 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2311 * cpp.texi: Update documentation for -include and -imacros.
2312 * cppfiles.c (struct include_file): Remove "defined" memeber.
2313 (find_or_create_entry): Make a copy of the file name, and
2315 (open_file): Update to ensure we use the simplified filename.
2316 (stack_include_file): Don't set search_from.
2317 (cpp_included): Don't simplify the path name here.
2318 (find_include_file): New prototype. Call search_from to
2319 get the start of the "" include chain. Don't simplify the
2321 (_cpp_execute_include): New prototype. Move diagnostics to
2322 do_include_common. Update.
2323 (_cpp_pop_file_buffer): Don't set defined.
2324 (search_from): New prototype. Use the preprocessor's cwd
2325 for files included from the command line.
2326 (read_name_map): Don't simplify the pathname here.
2327 * cpphash.h (enum include_type): New.
2328 (struct buffer): Delete search from. New search_cached.
2329 (_cpp_execute_include): Update prototype.
2330 * cppinit.c (do_includes): Use _cpp_execute_include.
2331 * cpplib.c (do_include_common): New function.
2332 (do_include, do_include_next, do_import): Use it.
2334 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2336 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2337 contents of the RTL, to determine the name of the object.
2339 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2341 * tree.h (DECL_RTL): Allocate RTL lazily.
2342 (SET_DECL_RTL): New macro.
2343 (DECL_RTL_SET_P): Likewise.
2344 (COPY_DECL_RTL): Likewise.
2345 (DECL_RTL_IF_SET): Likewise.
2346 * varasm.c (make_decl_rtl): Add assertions about the kind of
2347 declaration we are processing.
2348 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2349 (start_decl): Likewise.
2350 (finish_decl): Likewise.
2351 * c-semantics.c (emit_local_var): Likewise.
2352 * calls.c (expand_call): Likewise.
2353 * dbxout.c (dbxout_symbol): Likewise.
2354 * emit-rtl.c (unshare_all_rtl): Likewise.
2355 (unshare_all_decls): Likewise.
2356 (reset_used_decls): Likewise.
2357 * expr.c (store_constructor): Likewise.
2358 (safe_from_p): Likewise.
2359 (expand_expr): Likewise.
2360 * function.c (put_var_into_stack): Likewise.
2361 (instantiate_decls_1): Likewise.
2362 (assign_parms): Likewise.
2363 (expand_function_start): Likewise.
2364 (expand_function_end): Likewise.
2365 * ggc-common.c (gcc_mark_trees): Likewise.
2366 * integrate.c (function_cannot_inline_p): Likewise.
2367 (copy_decl_for_inlining): Likewise.
2368 (expand_inline_function): Likewise.
2369 (integrate_parm_decls): Likewise.
2370 (integrate_decl_tree): Likewise.
2371 * print-tree.c (print_node): Likewise.
2372 * reg-stack.c (stack_result): Likewise.
2373 * stmt.c (label_rtx): Likewise.
2374 (expand_return): Likewise.
2375 (expand_decl): Likewise.
2376 (expand_decl_cleanup): Likewise.
2377 (expand_anon_union_decl): Likewise.
2378 * toplev.c (check_global_declarations): Likewise.
2379 (rest_of_decl_compilation): Likewise.
2380 * tree.c (simple_cst_equal): Likewise.
2381 * objc/objc-act.c (generate_static_references): Likewise.
2383 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2385 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2386 gcc_AC_C_FLOAT_FORMAT): New macros.
2387 * configure.in: Add AC_PROG_CPP after CC tests;
2388 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2389 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2390 * configure, config.in: Regenerate.
2392 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2393 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2394 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2395 config/i370/xm-linux.h, config/i370/xm-oe.h,
2396 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2397 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2398 config/pa/xm-linux.h, config/pa/xm-pa.h,
2399 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2400 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2401 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2402 config/we32k/xm-we32k.h: Delete.
2404 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2405 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2406 config/vax/xm-vms.h: Don't define any of:
2407 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2409 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2411 * config.gcc: Remove references to deleted files.
2412 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2413 FATAL_EXIT_CODE, which is the same between oe and mvs).
2415 2001-03-14 DJ Delorie <dj@redhat.com>
2416 Vladimir Makarov <vmakarov@redhat.com>
2418 * config/i960/i960.c (i960_function_prologue): Compute size of
2419 frame according to number of registers actually saved there.
2421 2001-03-14 Richard Henderson <rth@redhat.com>
2423 * expr.c (emit_move_insn_1): Fix else if around #endif.
2425 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2428 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2431 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2433 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2434 (override_options): Parse cmodel string.
2435 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2436 * i386.h (TARGET_OPTIONS): Add "cmodel".
2437 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2439 (ix86_cmodel_string, ix86_cmodel): Declare.
2441 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2444 * i386.h (GENERAL_REG_P): Add missing REG_P.
2446 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2448 * configure.in: Use $gcc_cv_as instead of $as.
2449 * configure: Regenerated.
2451 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2453 * cppfiles.c (stack_include_file): Only increase the include
2454 count if we actually process the file properly, as opposed
2455 to treating it as length zero. Only call read_include_file
2456 if not DO_NOT_REREAD. Handle the -H include file output
2458 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2459 (cpp_included, find_include_file): Simplify pathnames after
2460 remapping them. If remapping, don't use the remapped file
2461 name's buffer as our scratch buffer.
2462 (cpp_pop_file_buffer): Replace the multiple include macro
2463 only if it isn't yet set.
2464 (read_name_map): Simplify remapped names when reading in.
2465 (remap_filename): Move code to code path that uses it.
2466 (_cpp_simplify_pathname): Return the input pointer.
2467 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2469 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2471 * expr.c (expand_expr): Revove bogus conditional.
2473 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2475 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2477 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2479 * reg-stack.c (stack_result): Unconditionally use
2480 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2482 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2484 * expr.c (emit_move_insn_1): Split push of complex value when
2485 no suitable push instruction exist.
2487 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2488 instead of QI_REG_P.
2490 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2492 * alias.c (handled_component_p, can_address_p): New functions.
2493 (get_alias_set): Use them.
2495 2001-03-13 Jim Wilson <wilson@redhat.com>
2497 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2498 from 80 in try_locals code.
2499 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2501 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2503 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2504 gcc_AC_C_LONG_LONG): New.
2505 * configure.in: Use them. Probe the size of short, int, long,
2506 and long long/__int64 if we have them. Move all the AC_C_*
2507 checks together, except gcc_AC_C_CHAR_BIT which has to go
2508 after AC_CHECK_HEADERS(limits.h).
2509 Take hwint.h out of host_xm_file and build_xm_file.
2511 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2512 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2513 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2514 Move the HOST_WIDEST_INT setup logic here from system.h.
2515 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2517 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2518 is now handled by hwint.h.
2520 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2521 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2522 config/ia64/xm-ia64.h: Don't define any of:
2523 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2524 HOST_BITS_PER_LONGLONG.
2526 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2527 config/h8300/xm-h8300.h, config/mips/iris6.h,
2528 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2529 config/sparc/xm-sp64.h: Delete.
2530 * config.gcc: Remove references to deleted files.
2532 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2533 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2534 * config/i370/xm-linux.h: Clarify floating-point situation in
2537 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2539 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2540 (find_include_file): Decide here which part of the include
2541 chain to start the search. Complain about an empty include
2542 chain in all cases apart from an abolsute file name.
2543 (_cpp_execute_include): Don't choose the search chain here.
2544 Don't call handle_missing_include in the case of an empty
2546 (_cpp_compare_file_date): Don't choose the search chain here.
2547 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2548 here from _cpp_execute_include. Behave like #include if
2549 we're in the main file.
2551 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2553 * system.h (malloc, realloc, calloc, strdup): Only poison these
2554 tokens when IN_GCC is defined.
2556 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2558 * i386.md (abs?f expander): Support SSE case.
2559 (abd?f_if): Add new "USE"; add splitters.
2561 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2563 * cpp.texi (poison): Explain the macro expansion exception.
2565 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2567 * expr.c (store_expr): Add dont_store_target. If temp is already in
2568 target before copying to reg, don't store it into target again.
2570 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2572 * cppinternals.texi: Update for file handling.
2574 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2576 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2577 2001-02-24 which broke building the Java library.
2578 * function.c (identify_blocks): Likewise.
2579 (all_blocks): Likewise.
2580 * integrate.c (integrate_decl_tree): Likewise.
2581 * print-tree.c (print_node): Likewise.
2582 * tree.h (BLOCK_NUMBER): Likewise.
2583 (struct tree_block): Likewise.
2585 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2587 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2588 __WCHAR_TYPE__ definition.
2589 (WCHAR_TYPE_SIZE): #undef before #define.
2591 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2593 * cppfiles.c: Update comments.
2594 (destroy_include_file_node): Rename destroy_node.
2595 (find_or_create_entry): New function.
2596 (open_file, _cpp_fake_include): Use it.
2597 (handle_missing_header): New function, broken out of
2598 _cpp_execute include. Don't segfault if there is no
2599 system or quoted path.
2600 (_cpp_execute_include): Use handle_missing_header.
2602 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2604 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2605 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2607 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2609 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2610 unless anti_dependence says they are.
2611 * alias.c (objects_must_conflict): If neither has a type specified,
2614 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2615 David Billinghurst <David.Billinghurst@riotinto.com>
2617 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2619 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2621 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2622 (*_one_bit): Remove type on the match_operand in attributes.
2624 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2626 * i386.c: Commit forgotten hunk in previous patch.
2627 (regclass_map): Add extended registers.
2628 (dbx_register_map): Add missing frame register.
2630 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2632 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2634 * i386.md (x86_sahf_1): Disable for 64bit.
2635 (popsi*, pophi*): Likewise.
2636 (pushqi, pushhi): Likewise.
2637 (movdi, pushdi): Likewise.
2638 (zero extend DImode splitter): Likewise.
2639 (adddi, minusdi splitter): Likewise.
2640 (umulsidi): Likewise.
2642 (mulsidi): Disable for 64bit
2643 (lshift:DI/ashift:DI): Disable for 64bit.
2644 (loop patterns): Likewise.
2645 (call_pop, call_value_pop expanders and patterns): Likewise.
2646 (prologue_get_pc): Likewise.
2648 (fcmovDI pattern and splitter): Likewise.
2649 (movdfcc_1_rex64): New.
2651 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2653 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2654 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2655 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2656 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2657 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2658 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2659 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2660 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2661 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2662 (REGPARM_MAX): Set to 6 for x86_64.
2663 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2664 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2667 * (patterns that does use upper halves): Update constraints
2668 'q' to 'Q' and 'r' to 'R'.
2669 (cmpqi_ext_1): Disable for 64bit.
2670 (cmpqi_ext_3_insn): Likewise.
2671 (movqi_extzv_1): Likewsie.
2672 (addqi_ext_1): Liekwsie
2673 (testqi_ext_1): Liekwsie
2674 (andqi_ext_1): Liekwsie
2675 (xorqi_ext_1): Liekwsie
2676 (cmpqi_ext_1_rex64): New.
2677 (cmpqi_ext_3_insn_rex64): Likewise.
2678 (movqi_extzv_1_rex64): Likewsie.
2679 (addqi_ext_1_rex64): Liekwsie
2680 (testqi_ext_1_rex64): Liekwsie
2681 (andqi_ext_1_rex64): Liekwsie
2682 (xorqi_ext_1_rex64): Liekwsie
2684 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2686 * configure.in: Move check for unsigned enumerated bitfields
2687 to macro in aclocal.m4. Disable it for now.
2688 * configure, config.in: Regenerate.
2689 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2690 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2691 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2692 kind above its first use.
2694 * config/xm-interix.h, config/alpha/xm-alpha.h,
2695 config/i370/xm-linux.h, config/i386/xm-beos.h,
2696 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2697 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2698 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2699 Don't define ONLY_INT_FIELDS under any circumstances.
2701 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2703 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2704 config/sparc/xm-sysv4.h: Delete - now identical with some
2706 * config.gcc (hppa targets): Replace xm-pahpux.h and
2707 xm-papro.h with implicit xm-pa.h.
2708 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2711 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2713 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2714 before reload_cse_noop_set_p.
2716 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2718 * config.gcc: Where xm-host.h used to include another
2719 xm-host.h, list the nested header directly in xm_file. Remove
2720 references to deleted files. Can now use sparc/xm-sp64.h for
2723 * config/xm-linux.h, config/arm/xm-linux.h,
2724 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2725 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2726 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2727 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2728 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2731 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2732 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2733 bother to wrap #undef in #ifdef.
2734 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2735 Don't include xm-linux.h.
2736 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2738 * configure.in: Wrap regexps using [] in changequote block.
2739 Use expr : not echo | grep. Simplify regexps.
2740 * configure: Regenerate.
2742 56 xm-files remain, 22 xm-arch.
2744 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2746 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2747 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2748 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2749 (copy_object): Fix format specifier vs argument mismatch.
2751 * mips-tdump.c: Make local functions static.
2752 (rindex): Don't #undef.
2753 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2754 (fatal, fancy_abort): Delete.
2755 (read_seek): Avoid signed/unsigned compare.
2757 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2759 * combine.c (try_combine): Fix error in change to try original
2761 (gen_rtx_combine): Do same as gen_rtx for now.
2763 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2765 * configure.in: AC_SUBST xm_defines.
2766 * configure: Regenerate.
2767 * Makefile.in: Set DEFINES=$(xm_defines) when building
2770 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2772 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2773 (cpp_included, find_include_file): Update.
2774 (_cpp_compare_file_date): Make else unconditional.
2776 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2778 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2780 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2782 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2783 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2785 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2787 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2788 if it's a record type.
2790 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2792 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2793 mingw includes slightly.
2795 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2797 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2798 #undef token before poisoning it.
2800 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2802 * alpha.c (check_float_value): Use memcpy, not bcopy.
2804 * m32r.c (m32r_sched_reorder): Likewise.
2806 * vax.c (check_float_value): Likewise.
2808 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2810 * toplev.c (file_name_nondirectory): Remove.
2811 * toplev.h: Similarly.
2812 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2813 of file_name_nondirectory.
2815 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2817 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2818 * mips-tfile.c: Don't #undef rindex; not used.
2820 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2822 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2823 (dbx64_register_map): Declare.
2824 (RETURN_ADDR_RTX): Fix for 64bit.
2825 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2826 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2827 * i386.c (dbx64_register_map): New global array.
2828 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2829 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2832 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2834 * cppfiles.c (search_from): Use lbasename.
2835 * mkdeps.c (deps_add_default_target): Use lbasename.
2837 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2839 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2840 xcalloc in lieu of malloc, realloc & calloc.
2842 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2844 * gengenrtl.c (xmalloc): Likewise.
2846 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2847 really_call_* memory allocation routines.
2849 * stmt.c (check_for_full_enumeration_handling): Use
2850 really_call_calloc, not calloc.
2852 * system.h (really_call_malloc, really_call_calloc,
2853 really_call_realloc): Define.
2854 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2856 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2858 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2860 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2862 * configure: Rebuilt.
2863 * configure.in: Only use `lang_requires' for languages athat are
2866 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2868 * invoke.texi: Fix typo.
2869 * gcc.1: Regenerate.
2871 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2873 * configure.in: Prune nonexistent files from build_xm_file,
2874 xm_file, and host_xm_file lists. Warn unless they're
2876 Don't generate *config.h here.
2877 AC_SUBST all variables needed to generate *config.h.
2878 * configure: Regenerate.
2879 * mkconfig.sh: New helper script, from code removed from
2881 * Makefile.in: Zap all MALLOC variables - no longer used
2882 anywhere, and malloc.c doesn't exist.
2883 Substitute in variables needed to generate *config.h.
2884 Stop lying about the dependencies contained in CONFIG_H and
2886 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2887 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2888 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2889 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2890 $(TM_P_H), etc. as appropriate.
2892 * config.gcc: Zap references to deleted files.
2893 * ggc-none.c: Don't include rtl.h or tm_p.h.
2895 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2896 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2897 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2898 config/i386/xm-linux.h, config/i386/xm-linux.h,
2899 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2900 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2901 Don't include i386/xm-i386.h.
2903 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2904 config/i386/xm-i386.h, config/i860/xm-i860.h,
2905 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2906 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2907 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2908 Delete (empty except comments, #includes of other deleted
2909 files, and macros used nowhere).
2911 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2913 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2914 independent on TARGET_FLAGS.
2916 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2918 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2920 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2922 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2924 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2925 LAST_REX_SSE_REG): define.
2926 (enum reg_class): Add 'LEGACY_REGS'
2927 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2928 (SSE_REGNO_P): Recognize extended registers.
2929 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2930 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2931 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2932 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2933 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2934 REG_OK_FOR_STRREG_P): Remove.
2935 (HI_REGISTER_NAMES): Add extended registers.
2936 (ADDITIONAL_REGISTER_NAMES): Likewise.
2937 (QI_REGISTER_NAMES): Add 8bit extended registers.
2938 (DEBUG_REG): Support extended registers.
2939 * i386.c (regclass_map): Add extended registers.
2940 (dbx_register-map): Likewise.
2941 (svr4_dbx_register_map): Likewise.
2942 (print_reg): Support extended registers.
2943 (print_operand): Support 64bit operands.
2945 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2947 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2948 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2949 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2950 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2951 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2952 STACK_BOUNDARY): Set properly for 64bits.
2953 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2954 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2955 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2956 (MOVE_MAX): Set to 16.
2957 (MOVE_MAX_PIECES): 8 for 64bit.
2958 (Pmode): Set to SImode.
2960 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2962 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2964 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2966 * i386.h (mask_64bit): New constant.
2967 (target_64bit): New macro.
2968 (target_options): Add '64'/'32'
2969 (target_default): Define.
2970 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2971 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2972 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2974 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2976 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2978 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2980 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2981 LO_SUM unless for_alias is set.
2983 2001-03-08 Stan Shebs <shebs@apple.com>
2985 * objc/objc-act.c: Fix old typos in comments, add comments for
2987 (hash_init): Fix file name in error message.
2988 (hash_enter): Ditto.
2989 (hash_add_attr): Ditto.
2990 (continue_class): Ditto.
2992 2001-03-08 Bruce Korb <bkorb@gnu.org>
2994 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2995 wait4() can receive the signal.
2997 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2999 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3001 * fixinc/fixincl.x: Regenerate.
3003 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3005 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3007 * fixinc/fixincl.x: Regenerate.
3009 2001-03-08 Richard Henderson <rth@redhat.com>
3011 * configure.in (HAVE_AS_LEB128): New assembler check.
3012 * configure, config.in: Rebuilt.
3014 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3016 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3019 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3021 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3022 references to the MAXPATHLEN macro.
3024 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3025 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3028 * config/i386/xm-gnu.h, config/xm-gnu.h,
3029 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3030 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3031 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3032 and/or unused files.
3034 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3035 doing so in various xm-*.h files.
3037 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3039 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3041 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3043 * configure.in (enable_shared): Support per-package shared-library
3045 * configure: Rebuilt.
3047 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3049 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3050 for crnot. Set operands[5] in splitter.
3052 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3054 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3055 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3056 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3057 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3058 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3059 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3060 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3063 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3064 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3065 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3066 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3067 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3068 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3069 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3070 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3071 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3072 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3073 Delete unused and/or empty files.
3075 * config.gcc: Define USG in xm_defines as appropriate. Define
3076 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3077 macro. Remove deleted xm-* files from $xm_files variable.
3079 2001-03-07 Tom Tromey <tromey@redhat.com>
3081 * configure: Rebuilt.
3082 * configure.in: Allow config-lang.in to set `lang_requires' to list
3083 of other required languages.
3085 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3087 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3089 (output_prologue): Use xmalloc not oballoc.
3090 (output_epilog): Free a29k_first_epilogue_insn when finished.
3091 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3093 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3095 * builtins.c (expand_builtin_mathfn): Check
3096 flag_unsafe_math_optimizations, not flag_fast_math.
3097 (expand_builtin): Likewise
3098 * combine.c (combine_simplify_rtx): Likewise.
3099 (simplify_if_then_else): Likewise.
3100 * cse.c (fold_rtx): Likewise.
3101 * flags.h: Remove flag_fast_math. Add
3102 flag_unsafe_math_optimizations and flag_trapping_math.
3103 * fold-const.c (negate_expr): Check
3104 flag_unsafe_math_optimizations, not flag_fast_math.
3105 (invert_truthvalue): Likewise.
3106 (fold): Likewise. Before associating operands, check that
3107 code == MULT_EXPR, not code != MULT_EXPR.
3108 * ifcvt.c (noce_try_minmax): Check
3109 flag_unsafe_math_optimizations, not flag_fast_math.
3110 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3111 * invoke.texi: Document -funsafe-math-optimizations and
3112 -fno-trapping-math. Change documentation for -ffast-math.
3113 * jump.c (reversed_comparison_code_parts): Likewise.
3114 (rtx_equal_for_thread_p): Likewise.
3115 * optabs.c (emit_conditional_move): Likewise.
3116 * simplify-rtx.c (simplify_binary_operation): Likewise.
3117 (simplify_relational_operation): Likewise.
3118 (simplify_ternary_operation): Likewise.
3119 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3120 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3121 Add trapping-math and unsafe-math-optimizations entries to f_options.
3122 (set_fast_math_flags): New, sets flags for -ffast-math.
3123 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3124 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3125 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3127 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3128 (alpha_emit_conditional_move): Initialize local_fast_math to
3129 flag_unsafe_math_optimizations, not flat_fast_math.
3130 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3131 instead of setting flag_fast_math to 1.
3132 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3134 * config/i386/i386.c (override_options): Likewise
3135 * config/i386/i386.md: Likewise.
3136 * config/m68k/m68k.md: Likewise.
3137 * config/mips/mips.md: Likewise.
3138 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3139 (rs6000_generate_compare): Likewise.
3141 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3143 * Makefile.in: Set RANLIB to @RANLIB@.
3146 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3148 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3149 * fixinc/fixincl.x: Regenerated.
3151 2001-03-07 Richard Henderson <rth@redhat.com>
3153 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3155 2001-03-07 Richard Henderson <rth@redhat.com>
3157 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3158 of block notes and exception handling notes.
3160 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3161 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3162 (compile_file): ... here.
3164 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3166 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3168 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3169 config.h now. Include libiberty.h to handle alloca.
3171 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3173 * c-parse.in (yylexname): New function, split out of _yylex.
3174 (objc_rid_sans_at): New table.
3175 (init_reswords): Initialize it.
3176 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3177 retrieving the next token and checking it for significance as
3178 an ObjC keyword or string constant.
3180 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3181 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3183 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3186 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3188 * config/m68k/m68k.c (const_uint32_operand): Accept any
3189 const_int on a 32-bit host.
3191 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3193 * objc/objc-act.c (init_objc): Set save_lang_status,
3194 restore_lang_status, and mark_lang_status.
3196 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3198 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3200 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3202 * cppinternals.texi: Update.
3204 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3206 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3207 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3208 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3209 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3210 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3211 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3212 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3213 config/i386/xm-i386.h, config/i860/xm-i860.h,
3214 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3215 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3216 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3217 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3218 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3219 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3220 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3221 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3222 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3223 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3224 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3225 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3226 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3227 match the defaults provided in hwint.h.
3229 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3230 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3232 * config.gcc (xm_file): Don't set to files which are deleted.
3234 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3235 guard this file against these macros being undefined.
3237 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3239 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3240 and DECL_DEFER_OUTPUT on the decl we create, before calling
3241 rest_of_decl_compilation.
3243 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3245 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3247 * configure, config.in: Regenerate.
3248 * config.gcc: Remove references to deleted files.
3250 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3251 genrecog.c, rtl.c: Do not use alloca anywhere.
3253 * Makefile.in, build-make, system.h, config/x-interix,
3254 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3255 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3256 config/arc/xm-arc.h, config/arm/xm-arm.h,
3257 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3258 config/h8300/xm-h8300.h, config/i370/x-oe,
3259 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3260 config/i386/x-ncr3000, config/i386/x-sco5,
3261 config/i386/xm-dgux.h, config/i860/x-sysv4,
3262 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3263 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3264 config/m68k/x-hp320g, config/m69k/x-mot3300,
3265 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3266 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3267 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3268 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3269 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3270 config/mips/x-iris, config/mips/x-iris3,
3271 config/mips/x-sni-svr4, config/mips/x-sysv,
3272 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3273 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3274 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3275 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3276 config/pa/xm-papro.h, config/romp/xm-romp.h,
3277 config/rs6000/x-aix31, config/rs6000/x-aix41,
3278 config/rs6000/x-beos, config/rs6000/x-lynx,
3279 config/rs6000/x-mach, config/rs6000/x-rs6000,
3280 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3281 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3282 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3283 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3284 config/vax/xm-vms.h: Eradicate all references to alloca and
3287 * config/xm-alloca.h, config/clipper/x-clix,
3288 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3289 config/i860/x-sysv3, config/m88k/x-sysv3,
3290 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3291 (contained only alloca related hacks).
3293 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3296 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3298 * invoke.texi: Document __FAST_MATH__.
3300 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3302 * crtstuff.c: Restore include of auto-host.h.
3304 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3306 Put main() in a separate file, so that the language
3307 front-end can use a different main().
3310 * toplev.c: (main): Rename as toplev_main.
3311 * toplev.h: Declare toplev_main.
3312 * Makefile.in (OBJS): add toplev.o.
3313 (BACKEND): remove toplev.o, add main.o.
3315 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3317 * cppfiles.c (search_from): Special case the empty string.
3319 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3321 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3322 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3323 strlen or strcpy; we already know the length.
3324 (_cpp_compare_file_date): Similarly.
3325 * cpphash.h (struct cpp_reader): Delete done_initialising.
3326 (CPP_PREV_BUFFER): Delete.
3327 * cppinit.c (cpp_start_read): Don't set done_initialising.
3328 * cpplex.c (parse_string): Guarantee null-termination.
3329 (_cpp_equiv_toklists): Remove.
3330 * cpplib.c (glue_header_name): Null-terminate.
3331 (do_line): Don't leak memory.
3332 * cpplib.h (BT_WEAK): Delete.
3333 * cppmain.c (cb_ident): Strings are now null-terminated.
3335 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3337 * gcc.c (convert_filename): Append executable suffix
3338 if NO_AUTO_EXE_SUFFIX is not defined.
3339 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3340 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3342 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3344 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3345 * c-parse.gperf, c-gperf.h: Delete.
3346 (c-gperf.h was accidently re-added to the CVS repo in the rev
3347 1.16 commit by tromey)
3349 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3351 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3352 macro arguments when looking for the '('.
3353 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3354 2 when really parsing arguments; 1 when looking for '('.
3355 Always restore the lexer position.
3357 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3359 * longlong.h (umul_ppmm): Don't use a multiline string.
3361 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3363 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3364 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3365 t_bool in declaration because pcc can't combine volatile with typedef
3368 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3370 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3371 until when it is really needed.
3372 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3373 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3374 * i386.md (float?i?f splitter): Don't force source operand to memory
3376 (sse_movdfcc): Fix constraint.
3377 (sse_movdfcc splitter): Handle properly the second alternative.
3379 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3381 * cpplex.c (parse_string): Unconditionally pedwarn.
3383 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3386 * cppexp.c (parse_number): Update.
3387 * cpplex.c (parse_string): Pedwarn if multiline string does not
3388 result from a system header's macro.
3389 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3390 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3391 for function-like macros too.
3392 * c-lex.c (lex_number): Update.
3394 2001-03-03 Richard Henderson <rth@redhat.com>
3396 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3398 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3400 * combine.c (try_combine): If split with mode-changed scratch
3401 register didn't work, try the original mode.
3403 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3405 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3406 * config/c4x/c4x.h: Likewise.
3407 * stor-layout.c (compute_record_mode): Likewise.
3408 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3410 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3412 * configure.in: Kill tm.h. Include the files in the $tm_file
3413 list in all three of config.h, hconfig.h, tconfig.h, after the
3414 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3415 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3416 * configure: Regenerate.
3417 * Makefile.in (clean): Don't delete tm.h.
3419 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3420 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3421 those are not defined, set SEC and FEC to 0 and 1.
3422 * gcc.texi: Update to match.
3424 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3425 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3426 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3427 Include tconfig.h, not tm.h.
3429 * config/xm-lynx.h, config/xm-std32.h,
3430 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3431 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3432 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3433 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3434 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3435 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3436 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3437 config/i386/xm-i386.h, config/i860/xm-i860.h,
3438 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3439 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3440 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3441 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3442 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3443 config/pa/xm-linux.h, config/pa/xm-pa.h,
3444 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3445 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3446 config/pj/xm-pj.h, config/romp/xm-romp.h,
3447 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3448 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3449 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3450 config/v850/xm-v850.h, config/vax/xm-vax.h,
3451 config/we32k/xm-we32k.h:
3453 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3455 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3456 config/i370/xm-oe.h: Don't include tm.h. Don't define
3458 * config/vax/xm-vms.h: Don't include tm.h.
3460 * config/xm-lynx.h, config/avr/xm-avr.h,
3461 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3462 Delete; made empty by above changes.
3463 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3464 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3465 Don't include config/xm-lynx.h or tm.h.
3467 * config/xm-gnu.h: Don't include fcntl.h.
3468 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3470 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3472 2001-03-02 Richard Henderson <rth@redhat.com>
3474 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3475 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3477 2001-03-02 Richard Henderson <rth@redhat.com>
3479 * Makefile.in (OBJS): Add dwarf2asm.o.
3480 * dwarf2asm.c, dwarf2asm.h: New files.
3481 * dwarf2out.c (*): Use them.
3482 (size_of_uleb128, size_of_sleb128): Remove.
3483 (output_uleb128, output_sleb128): Remove.
3484 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3485 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3486 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3487 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3488 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3489 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3490 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3491 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3492 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3493 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3494 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3495 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3496 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3497 (dwarf2out_frame_debug): Remove unused variables.
3498 (output_loc_operands): Don't abort on 8 byte constants if
3499 host integers are wide enough.
3500 (output_symbolic_ref): Remove.
3501 (size_of_die): Don't assume 4 byte host integers.
3502 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3504 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3505 something stupid with HOST_WIDE_INT to long truncation.
3506 [CONST_DOUBLE]: Likewise.
3508 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3509 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3510 * config/arm/unknown-elf.h: Likewise.
3511 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3512 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3513 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3514 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3515 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3516 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3517 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3518 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3519 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3520 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3521 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3522 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3524 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3526 * cselib.c (hash_rtx): Cast enums to unsigned int.
3528 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3530 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3531 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3533 * c-format.c (C_STD_VER): Cast to int for comparisons.
3534 (check_function_format): Cast various enums to int for &.
3535 (maybe_read_dollar_number): Likewise.
3536 (check_format_info): Likewise.
3537 (check_format_info_main): Likewise.
3538 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3539 (safe_from_p): Likewise.
3540 * varasm.c (const_hash): Cast enum to int for %.
3541 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3542 pcc enum problems with < and ++ operators.
3543 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3544 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3545 (regclass_init): Change enum class to int to iterate over reg_classes.
3546 * genrecog.c (merge_trees): Cast enums for comparison.
3547 * rtl.h (GET_CODE): Cast to enum rtx_code.
3548 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3549 (GET_MODE): Cast to enum machine_mode.
3550 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3551 (GET_NOTE_INSN_NAME): Cast enum to int.
3552 * tree.h (TREE_CODE): Cast to enum tree_code.
3553 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3554 * timevar.c (timevar_print): Change loop variable id from enum to
3556 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3557 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3558 * toplev.c (compile_file): Cast enum DFI to int.
3559 (decode_d_option): Likewise.
3561 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3563 * cppinit.c (append_include_chain): Mark "after" include file name list
3564 as a system directory.
3565 * cpp.texi: Document new behavior.
3567 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3569 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3571 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3573 * cppfiles.c (struct include_file): Update.
3574 (stack_include_file): Use search_from.
3575 (cpp_included, find_include_file): Update.
3576 (cpp_execute_include): Update. ptr->name may not be
3577 null terminated. Use the new search_from member variable
3579 (_cpp_compare_file_date): Similarly.
3580 (search_from): New function, similiar to actual_directory.
3581 (actual_directory): Delete.
3582 (remap_filename): Update. loc->name may not be null terminated.
3583 (struct file_name_list): Rename search_path. Update.
3584 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3585 search_from and dir.
3586 (struct cpp_reader): Remove actual_dirs.
3587 * cppinit.c (struct cpp_pending): Update for renamed objects.
3588 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3589 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3590 * cpplib.h (struct cpp_options): Similarly.
3592 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3594 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3595 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3596 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3597 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3598 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3599 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3600 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3601 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3602 config/i370/xm-oe.h, config/i386/xm-aix.h,
3603 config/i386/xm-i386.h, config/i386/xm-osf.h,
3604 config/i860/xm-i860.h, config/i960/xm-i960.h,
3605 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3606 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3607 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3608 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3609 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3610 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3611 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3612 config/pj/xm-pj.h, config/romp/xm-romp.h,
3613 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3614 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3615 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3616 config/v850/xm-v850.h, config/vax/xm-vax.h,
3617 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3618 Do not define TRUE or FALSE.
3620 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3621 empty by above change.
3622 * config.gcc: Remove references to these files.
3624 * configure.in: Detect stdbool.h.
3625 * configure, config.in: Regenerate.
3626 * system.h: Include stddef.h here if available.
3627 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3628 Then set up a sensible boolean type at the very end.
3630 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3631 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3633 * hash.h: Delete 'boolean' typedef and related #undefs.
3635 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3636 all uses of 'boolean' with 'bool'.
3638 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3640 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3641 * cppexp.c (lex): Cast enums for comparison.
3642 * cppinit.c (parse_option): Cast enum for comparison.
3643 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3644 (cpp_output_token): Likewise.
3645 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3646 (cpp_avoid_paste): Cast enums for minus and comparison.
3648 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3650 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3651 field to all array elements.
3653 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3655 * cpphash.h (struct cpp_reader): Add print_version field.
3656 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3657 just set print_version and other flags as appropriate.
3658 (cpp_post_options): Print version here if print_version is set.
3660 * toplev.c (exit_after_options): New flag.
3661 (independent_decode_option): Don't exit here; just set
3663 (main): Exit after calling lang_hooks.post_options if
3664 exit_after_options is true.
3666 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3667 (merge_include_chains): Adjust comment to match code.
3669 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3671 * stringpool.c (set_identifier): New function.
3672 * tree.h: Prototype it.
3674 * c-parse.in: Kill D_YES. If compiled for objc, call
3675 save_and_forget_protocol_qualifiers from init_reswords.
3676 * objc/objc-act.c (remember_protocol_qualifiers,
3677 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3678 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3680 (save_and_forget_protocol_qualifiers): New function.
3681 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3683 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3685 * c-semantics.c (prune_unused_decls): Return error_mark_node
3686 instead of (tree) 1 to stop traversing the tree chain.
3688 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3690 Fix a problem introduced by Kenner's Feb 18 change.
3691 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3692 flag_cse_skip_blocks only temporarily, not for ever.
3694 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3696 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3697 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3699 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3700 before determining its register class.
3702 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3704 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3705 from reg 4 if current_function_calls_setjmp.
3706 (gen_nop_type): New function.
3707 (ia64_emit_nops): New function.
3708 (ia64_reorg): Call it.
3709 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3711 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3712 code not to try to optimize adds with anything but a REG destination.
3714 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3715 (INSN_PRIORITY_KNOWN): New accessor macro.
3716 * haifa-sched.c (priority): Use it instead of testing priority against
3719 2001-02-28 DJ Delorie <dj@redhat.com>
3721 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3722 since that doesn't work the way gcc wants on a generic m68k.
3724 2001-02-28 Richard Henderson <rth@redhat.com>
3726 * caller-save.c (save_call_clobbered_regs): Fix typo in
3727 comparison last change.
3729 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3731 * i386.c (pentium4_cost): New.
3732 (m_PENT4): New macro.
3733 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3734 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3735 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3736 x86_memory_mismatch_stall): Add Pentium4
3737 (x86_use_q_reg, x86_use_any_reg): Kill.
3738 (override_options): Add pentium4.
3739 (incdec_operand): Return 0 for pentium4.
3740 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3741 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3742 (TARGET_PENTIUM4): Define.
3743 (enum processor_type): Add PROCESSOR_PENTIUM4.
3744 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3745 * i386.md (attribute "cpu"): Add pentium4.
3746 * invoke.texi (march): Add pentium4.
3748 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3750 * i386.md (sse_mov?fcc*): New patterns and splitters.
3751 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3752 the SSE based conditional moves.
3754 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3756 * i386.md (attribute mode): Add "TI".
3757 (movsf_1): Add pxor support; remove constant propagation splitter.
3758 (movdf_integer): Likewise.
3759 (movdf_nointeger): Likewise.
3760 (movxf constant prop splitter): Handle all modes; update for SSE.
3761 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3762 * i386.c (standard_80387_constant_p): Rewrite.
3763 (standard_sse_constant_p): New.
3764 * i386-protos.h (standard_sse_constant_p): New.
3766 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3768 * i386.md (sse_setccsf, sse_setccdf): New.
3769 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3771 * i386.c (sse_comparison_operator): Accept the supported unordered
3772 comparses; be ready for fast_math.
3773 (print_operand): Support 'D'.
3775 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3777 * jump.c (reversed_comparison_code): Kill.
3779 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3781 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3784 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3786 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3787 add missing '%' in constraints.
3789 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3791 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3792 for HOST_BITS_PER_WIDE_INT == 32 too.
3794 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3796 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3798 (insert_save, insert_restore): New parameter save_mode.
3799 (init_caller_save): Update initialization of reg_save_code
3800 and reg_restore_code.
3801 (save_call_clobbered_regs): Compute save_modes and update calls to
3802 reg_save_code and reg_restore_code.
3803 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3804 of spill; update use of reg_restore_code.
3805 (insert_save): Likewise.
3806 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3807 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3808 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3810 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3812 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3813 noce_try_store_flag_inc, noce_try_store_flag_mask,
3814 noce_try_cmove_arith):
3815 Use reversed_comparison_code instead of reverse_comparison and
3816 can_reverse_comparison_p.
3818 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3820 * jump.c (reversed_comparison_code_parts): Allow reversal of
3821 unordered compares in -ffast-math mode; reverse ordered compares
3822 for FP even w/o -ffast-math.
3824 2001-02-27 Richard Henderson <rth@redhat.com>
3826 * print-rtl.c (print_rtx) [i]: Don't print field five on
3827 NOTEs other than NOTE_INSN_DELETED_LABEL.
3829 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3831 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3832 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3834 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3836 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3837 even if walk_subtrees is 0.
3838 * c-semantics.c (prune_unused_decls): Return a non-null value to
3839 stop traversing the tree chain.
3841 2001-02-27 DJ Delorie <dj@redhat.com>
3843 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3844 register, *then* define it as the new CFA.
3846 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3848 * pa.c (override_options): Promote -fpic to -fPIC.
3849 (legitimize_pic_address): Simplify due to removal of
3850 small PIC as a code generation option.
3851 (secondary_reload_class): Similarly.
3852 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3853 (PRINT_OPERAND_ADDRESS): Similarly.
3854 * pa.md (various patterns): Similarly.
3855 (small pic lo_sum pattern): Remove.
3857 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3860 * md.texi (min, max): Document
3862 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3864 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3865 TARGET_PARTIAL_REG_DEPENDENCY.
3866 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3868 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3870 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3872 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3874 * mips.c (mips_make_temp_file): Fix thinko in last change.
3876 2001-02-26 Jason Eckhardt <jle@redhat.com>
3878 * combine.c (known_cond): Do not reverse the condition when
3879 SMAX/UMAX is being considered and the condition is for equality
3882 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3884 2001-02-26 Philip Blundell <philb@gnu.org>
3886 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3888 * config/arm/linux-elf.h: Remove historical relics related to
3889 above configurations.
3890 * config/arm/linux-oldld.h: Delete.
3891 * config/arm/linux-elf26.h: Delete.
3893 2001-02-26 Jason Merrill <jason@redhat.com>
3895 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3897 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3898 recognize a tentative definition. Lose obsolete code.
3900 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3901 variables unless necessary, either.
3903 2001-02-25 Richard Henderson <rth@redhat.com>
3905 * ifcvt.c (struct noce_if_info): Add test_bb.
3906 (noce_get_alt_condition): New.
3907 (noce_try_minmax, noce_try_abs): New.
3908 (noce_operand_ok): New.
3909 (noce_process_if_block): Use them.
3910 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3912 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3914 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3917 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3919 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3920 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3922 (mips_asm_file_end): Free temp_filename here.
3924 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3926 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3927 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3929 * config/i386/i386.md (movstrsi): Handle FAIL case.
3931 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3933 * cppinit.c (builtin_array): Update.
3934 (init_builtins): Flag builtins to warn if redefined or
3935 undefined. Define __GXX_WEAK as a normal macro.
3936 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3937 * cpplib.h (NODE_WARN): New flag.
3938 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3939 Handle __STDC__ as a builtin only on Solaris.
3940 (warn_of_redefinition): Renamed from check_macro_definition.
3941 Reverse sense of test. Always warn if NODE_WARN.
3942 (_cpp_create_definition): Use warn_of_redefinition. Flag
3943 any macro beginning with "__STDC_" to require a mandatory
3944 warning if redefined or undefined.
3946 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3948 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3949 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3950 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3951 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3952 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3953 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3954 Don't define any of:
3955 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3956 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3957 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3958 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3959 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3961 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3962 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3965 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3966 Delete now-empty file.
3968 * alpha/vms.h: Define NEED_ATEXIT here...
3969 * alpha/xm-vms.h: ...not here.
3971 * i386/cygwin.h: Don't define PARAMS.
3972 * mips/mips.c: Don't prototype mktemp. Don't define
3973 P_tmpdir. Use make_temp_file to create temporary files.
3974 Don't be clever and delete temporary files early.
3975 * config.gcc: Drop references to deleted files. Don't define
3977 * gcc.texi: Don't mention USE_PROTOTYPES.
3979 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3981 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3982 (ix86_set_move_mem_attrs_1): Likewise.
3983 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3984 * config/i386/i386.md (movstrsi): Call it.
3986 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3988 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3989 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3990 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3991 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3993 (i750a-*-*): Error here if hosting on i750a.
3994 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3996 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3997 Remove (empty modulo comments).
3999 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4000 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4001 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4002 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4003 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4004 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4006 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4007 Remove reference to winnt.h in comment.
4008 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4010 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4012 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4013 used to set another biv.
4015 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4017 * tree.h (BLOCK_DEAD): New macro.
4018 (struct tree_block): New flag, dead_flag.
4019 * print-tree.c (print_node, case 'b'): Print missing fields.
4020 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4021 * function.c (identify_blocks): Enable test for misplaced notes.
4022 (all_blocks): Skip BLOCK_DEAD blocks.
4023 * integrate.c (integrate_decl_tree): Likewise.
4025 * errors.c (internal_error, trim_filename): New functions.
4026 (fancy_abort): Call internal_error.
4027 * errors.h (internal_error, trim_filename): New declarations.
4029 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4031 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4033 (EXTRA_CONSTRAINT): Formatting changes.
4035 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4037 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4039 2001-02-23 Per Bothner <per@bothner.com>
4041 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4042 so they can be called from java/jvspec.c.
4043 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4045 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4047 * i386.c (ix86_frame): New structure.
4048 (ix86_compute_frame_size): Kill.
4049 (ix86_compute_frame_layout): New.
4050 (ix86_save_reg): New.
4051 (ix86_can_use_return_insn_p): Use frame layout stuff.
4052 (ix86_expand_prologue): Likewise.
4053 (ix86_expand_epilogue): Likewise.
4054 (ix86_initial_elimination_offset): Likewise.
4055 (ix86_nsaved_regs): Use ix86_save_reg.
4056 (ix86_emit_save_regs): Likewise.
4058 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4060 * flow.c (find_sub_basic_blocks): New function.
4061 (split_block): Be ready for basic block introduced by CODE_LABEL.
4062 (commit_one_edge_insertion): Call find_sub_basic_block.
4064 * flow.c (make_edges): Add edge from entry for blocks starting with
4065 label having ALTERNATE_NAME
4067 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4069 * function.c (epilogue_done): Be ready for first basic block not
4070 containing PROLOGUE_END note.
4071 (reposition_prologue_and_epilogue_notes): Avoid placing
4072 PROLOGUE_END note between BASIC_BLOCK.
4074 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4076 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4078 2001-02-21 DJ Delorie <dj@redhat.com>
4080 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4081 check for current_function_has_nonlocal_goto from 1999-11-12.
4083 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4085 * diagnostic.c (trim_filename): No longer static.
4086 * toplev.h (trim_filename): Declare.
4087 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4088 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4089 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4090 (rtvec_check_failed_bounds): Likewise.
4091 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4093 * convert.c (convert_to_integer): Don't do unsigned unless result or
4094 both inputs are unsigned.
4096 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4099 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4101 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4103 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4105 * Makefile.in (resource.o): Add params.h dependence.
4106 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4107 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4108 * resource.c: Add dependence on params.h.
4109 (current_live_regs): Fix explanatory comment.
4110 (find_basic_block): Add new parameter to permit limiting search
4112 (mark_target_live_regs): Add new argument to find_basic_block call.
4113 (incr_ticks_for_insn): Likewise.
4115 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4117 * diagnostic.c (output_to_stream): Rename to
4118 output_buffer_to_stream. Loses the stream parameter.
4119 (init_output_buffer): Set diagnosic_buffer's stream.
4120 (flush_diagnostic_buffer): Adjust.
4121 (default_print_error_function): Likewise.
4122 (finish_diagnostic): Likewise.
4123 (verbatim): Likewise.
4125 * diagnostic.h (struct output_buffer): Add `stream' field.
4126 (output_buffer_attached_stream): New macro.
4128 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4130 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4131 check if either operand is divisible by C.
4132 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4133 If type is signed, consider negative numbers as well.
4135 2001-02-22 Richard Henderson <rth@redhat.com>
4137 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4138 reach .text instead of gp-relative relocs.
4139 * config/ia64/crtend.asm (.init): Likewise.
4141 2001-02-22 Andreas Jaeger <aj@suse.de>
4143 * extend.texi (C++ Attributes): Fix typo.
4145 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4147 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4148 functions, drop current_function_args_info.words test.
4149 (ia64_compute_frame_size): Mark syscall_linkage functions as
4150 using eight input registers.
4152 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4153 Bruce Korb <bkorb@gnu.org>
4155 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4156 * fixinc/README: Document how to convert sed substitutions
4157 to format style c_fix-es.
4158 * fixinc/fixincl.x: regen
4160 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4162 * gcc.c: Add comment explaining how to add a command-line option.
4163 Add title to specs language comment.
4165 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4167 * gcc.c (cc1_options): Add "-param".
4168 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4169 (option_map): Likewise.
4170 * toplev.c (display_help): Add entry for "--param".
4171 (independent_decode_option): Fix typographical error.
4173 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4174 Bernd Schmidt <bernds@redhat.com>
4175 Jan Hubicka <jh@suse.cz>
4177 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4178 (function_arg): Likewise.
4180 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4182 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4184 2001-02-21 Kazu Hirata <kazu@hxi.com>
4186 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4190 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4192 * flow.c (init_propagate_block_info): Canon address and use single_set
4193 for killing dead memory stores.
4195 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4197 * Makefile.in (reorg.o): Add params.h dependence.
4198 * params.def: Fix typographical error in comment.
4199 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4200 * params.h: Modify introductory comment.
4201 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4202 * reorg.c: Add dependence on params.h.
4203 (redundant_insn): Add parameterized throttle for search.
4204 (fill_simple_delay_slots): Add a comment explaining a variable.
4205 Move conditional out of loop, simplifying code.
4206 (fill_eager_delay_slots): Fix typographical error in comment.
4208 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4210 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4212 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4213 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4215 2001-02-21 Jason Merrill <jason@redhat.com>
4217 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4218 (struct tree_decl): Add uninlinable bitfield.
4219 * c-decl.c (duplicate_decls): Set it.
4220 * integrate.c (function_cannot_inline_p): Check it.
4222 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4223 DW_AT_MIPS_linkage_name to abstract methods.
4224 (dwarf2out_abstract_function): Emit class context before calling
4225 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4226 (gen_subprogram_die): Remove obsolete code.
4227 (gen_member_die): Don't include clones in the member list.
4228 (gen_decl_die): Emit abstract info for clone origin.
4229 * dwarfout.c (output_type): Don't include clones in the member list.
4230 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4231 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4232 DECL_ABSTRACT on a function that already has it set.
4234 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4235 (get_subprogram_die): Pass it in.
4237 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4239 * flow.c (mark_set_1): Make not_dead unsigned long. For
4240 non-pseudos, use it as a bitmask of the hard regs that
4243 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4245 * cppfiles.c: Update comments.
4246 (_cpp_read_file): Don't check for NULL filenames any more.
4247 * cppinit.c (cpp_start_read): Don't do canonicalization of
4248 in_fname and out_fname. Use the passed file name exclusively.
4249 (_cpp_handle_options): Don't treat "-" as a command line option,
4250 but as a normal filename.
4251 (_cpp_post_options): Canonicalize in_fname and out_fname.
4252 * cppmain.c (printer_init): Don't check out_fname for NULL.
4253 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4254 (init_c_lex): Update, and use "" to represent stdin to CPP.
4257 2001-02-20 Will Cohen <wcohen@redhat.com>
4259 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4260 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4261 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4264 2001-02-20 Stan Shebs <shebs@apple.com>
4266 * config/rs6000/rs6000.c (output_cbranch): Output branches
4267 on separate lines instead of using ';' to separate.
4269 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4271 * cppinit.c (set_lang): Move builtin handling to...
4272 (init_builtins): ...here.
4273 (_cpp_create_reader): Move call to set_lang.
4275 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4277 * stmt.c (expand_return): If an attempt is made to return the
4278 error_mar_node, treat the return like a return without a value.
4280 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4282 * sibcall.c (skip_copy_to_return_value): Call
4283 identify_call_return_value here, and return orig_insn if it
4284 returns zero. Hardret and softret arguments now unnecessary.
4285 (call_ends_block_p): Don't call identify_call_return_value here.
4287 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4289 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4290 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4292 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4294 * pa.c (move_operand): Accept code to load the address of a
4295 symbol out of the DLT as a valid move operand.
4296 (print_operand, case 'A'): New to handle generating a DLT
4297 reference for a LO_SUM expression.
4298 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4299 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4301 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4303 * README, cpp.texi, gcc.texi, version.c: Update version number to
4305 * cpp.1, gcov.1, gcc.1: Regenerate.
4307 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4309 * cppfiles.c (stack_include_file): Generate dependencies
4310 here, and manage include_count here too.
4311 (PRINT_THIS_DEP): Delete.
4312 (_cpp_execute_include): Do not generate dependencies here,
4313 apart from the case of a missing header. Do not manage
4315 (_cpp_read_file): Leave dependency generation to
4318 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4320 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4321 target_cpu_default. Remove dead assignment to
4324 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4326 * regclass.c (contains_reg_of_mode): Make global.
4327 (init_reg_sets): Remove contains_reg_of_mode; take into account
4328 CLASS_MAX_NREGS when looking for the proper mode.
4329 (dump_regclass): Dump only classes considered for the pseudo.
4330 (regclass): Use contains_reg_of_mode.
4332 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4334 * gcc.c (do_spec_1): 'n' for printing notices.
4335 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4337 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4339 * reg-stack.c (next_flags_user): Use current_block->end
4340 (swap_rtx_condition): Look for next user if flags don't die;
4341 give up on CALL_INSNs; use current_block->end.
4343 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4345 * sibcall.c (call_ends_block_p): New function.
4346 (optimize_sibling_and_tail_recursive_call): Use it.
4348 2001-02-18 Kazu Hirata <kazu@hxi.com>
4350 * config/h8300/h8300.md: Update copyright.
4351 (andsi3): Do not output an extra newline character.
4353 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4355 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4356 FNDECL may be unused.
4358 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4359 follow jumps after first run.
4360 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4361 it doesn't change any jumps.
4363 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4365 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4366 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4367 (mostlyclean): Corresponding changes.
4368 * rtlanal.c (hard-reg-set.h): Include.
4369 (rtx_unstable_p): Do not treat the argument pointer specially
4370 if it is not a fixed register.
4371 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4373 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4375 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4376 against last real insn in basic block.
4377 Rework to avoid gotos.
4379 * Makefile.in (gcse.o): Now includes ggc.h.
4380 * gcse.c: Include ggc.h.
4381 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4382 (try_replace_reg): Remove warning of uninitialize variable.
4383 (process_insert_insn): Call invalid_insn_p to validate insn.
4384 * recog.c (insn_invalid_p): Now global.
4385 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4386 * recog.h (insn_invalid_p): New declaration.
4388 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4390 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4391 assignments from FP constants since 'Y' output code can't handle it.
4392 (eligible_for_sibcall_delay): Likewise.
4394 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4395 Call fancy_abort directly, passing args.
4396 (print_rtl_and_abort): Now a macro, like fancy_abort.
4398 * final.c (output_operand_lossage): Use internal_error, not error.
4400 2001-02-18 Shane Nay <shane@agendacomputing.com>
4402 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4403 structure shift insns.
4405 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4407 * invoke.texi (-fsquangle): Remove documentation.
4408 (-fname-mangling-version): Likewise.
4410 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4412 * optabs.c (expand_abs): Remove reference to
4413 HAVE_contitional_arithmetic.
4414 * combine.c (simplify_set): Likewise.
4416 2001-02-18 Richard Henderson <rth@redhat.com>
4418 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4421 2001-02-18 Richard Henderson <rth@redhat.com>
4423 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4425 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4427 * reload1.c (reload_cse_simplify_set): Fix typo.
4429 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4431 * diagnostic.c (_fatal_insn): Decrement errorcount.
4433 * invoke.texi (-I): Add note avoiding use for system header files.
4435 * rtl.h (add_clobbers): Remove duplicate declaration.
4436 * recog.h (added_clobbers_hard_reg_p): New declaration.
4437 * genemit.c (struct clobber_pat): New field has_hard_reg.
4438 (gen_insn): Record if added clobbers clobber hard reg.
4439 (gen_split): Avoid unused warning if number of operands is 0.
4440 (output_added_clobbers_hard_reg_p): New function.
4443 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4445 * pa.c (hppa_expand_prologue): Simplify code storing return
4446 pointer. For large (>=8k) frames with a post_store, adjust stack
4447 pointer by 8k-64 first rather than by 64. When testing with
4448 VAL_14_BITS_P, always use the actual value rather than the value
4449 negated. Add blockage to prevent scheduling of spills before
4450 stack frame has been created.
4451 (hppa_expand_epilogue): Simplify code loading return pointer.
4452 Allow a slightly larger range for merge_sp_adjust_with_load case.
4453 When testing with VAL_14_BITS_P, always use the actual value.
4455 * pa.c (pa_adjust_insn_length): Check that block move
4456 pattern is a set before looking at operands.
4458 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4460 * fold-const.c (fold_binary_op_with_conditional_arg): New
4461 function, split out from ...
4463 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4464 conditional arms that throw exceptions.
4466 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4469 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4471 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4472 define HAVE_DECL_* to 1 to mask potential backup declarations.
4473 * configure: Regenerated.
4475 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4477 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4479 2001-02-17 Richard Henderson <rth@redhat.com>
4481 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4482 when replacing a memory load with a register.
4484 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4485 Jan Hubicka <jh@suse.cz>
4487 * recog.c (validate_replace_src_1): New.
4488 (validate_replace_src_data): Likewise.
4489 (validate_replace_src): Use note_uses.
4490 * rtl.h (note_uses): Declare.
4491 * rtlanal.c (note_uses): New.
4493 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4495 * reg-stack.c (stack_def): Make field reg unsigned.
4496 (remove_regno_note): Unsignetize parameter.
4498 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4500 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4501 shladd_operand() call.
4503 2001-02-16 Bruce Korb <bkorb@gnu.org>
4504 Rodney Brown <RodneyBrown@mynd.com>
4506 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4507 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4508 machine restrictions
4509 * fixinc/fixincl.x: regen
4511 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4513 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4515 (hash_scan_insn): Clean up calls to hash_scan_set.
4516 (compute_kill_rd): REGNO now unsigned.
4517 (try_replace_reg): Rework to use simplify_replace_rtx.
4518 (cprop_jump, cprop_cc0_jump): Likewise.
4519 (cprop_insn): Call find_reg_equal_equiv_note.
4520 Reflect changes to cprop_jump and cprop_cc0_jump.
4522 * recog.c (validate_replace_src): Replace in operands of
4523 ZERO_EXTRACT in SET_DEST.
4525 * cse.c (new_label_ref): New variable.
4526 (insert): Set it instead of recorded_label_ref.
4527 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4528 CODE_LABEL for this function, and not already in REG_LABEL note.
4530 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4532 * resource.c (mark_referenced_resources): Fix typo in introductory
4534 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4537 2001-02-16 Jason Merrill <jason@redhat.com>
4539 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4541 (gen_subprogram_die): Don't abort on seeing a second definition if
4542 the previous one was abstract. Don't replace an abstract instance
4543 in the lookup table.
4545 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4546 gen_abstract_function.
4547 * dwarf2out.h: Declare it.
4548 * toplev.c (note_outlining_of_inline_function): New fn.
4549 * toplev.h: Declare it.
4550 * integrate.c (output_inline_function): Call it.
4551 * c-decl.c (duplicate_decls): Call it when redefining an extern
4552 inline. Don't inline the new defn.
4554 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4556 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4558 * .gdbinit: Rename to gdbinit.in.
4559 * gdbinit.in: New file,
4560 * configure.in: Generate .gdbinit from gdbinit.in.
4561 * configure: Regenerated.
4562 * Makefile.in (distclean): Always remove .gdbinit.
4564 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4566 * objc/objc-act.c (start_class): Register implemented_classes with
4569 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4571 * cppfiles.c (_cpp_make_system_header): Generate a file
4574 2001-02-15 Jim Meyering <meyering@lucent.com>
4576 * Makefile.in (install-common): Don't depend on installdirs here.
4577 Instead, make each of the lang.install-common targets (e.g.,
4578 c++.install-common in cp/Make-lang.in) depend on it.
4579 (install-driver): Depend on installdirs.
4581 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4583 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4585 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4588 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4590 * invoke.texi (--param): Document.
4592 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4594 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4596 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4598 * i386.md (extendsfdf2_2): Fix constraints.
4600 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4602 * i386.md (fop_df_3 splitter): Fix operand number.
4604 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4606 * invoke.texi (-mreg-alloc): Nuke.
4607 * i386.c (ix86_reg_alloc_order, regs_allocated,
4608 order_regs_for_local_alloc): Nuke.
4609 (override_options): Kill reg_alloc code.
4610 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4611 (REG_ALLOC_ORDER): SSE goes before I387.
4612 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4613 (ix86_reg_alloc_order): Likewise.
4614 * i386-protos.h (ix86_reg_alloc_order): Kill.
4616 2001-02-14 Richard Henderson <rth@redhat.com>
4618 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4620 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4622 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4624 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4626 * i386-protos.h (ix86_memory_move_cost): Move offline.
4627 * i386.c (ix86_register_move_cost): Compute properly cost of
4628 SSE, MMX and i387 instructions.
4629 (*_cost): Add costs of SSE/MMX moves.
4630 (ix86_memory_move_cost): Move offline from ....; Likewise.
4631 * i386.h (MEMORY_MOVE_COST): .... here;
4632 (struct processor costs): Add new fields to represent costs
4635 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4637 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4638 move_cost together with Matt Kraai's fix.
4640 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4642 * Makefile.in (OBJS): Add params.o.
4644 2001-02-14 Richard Henderson <rth@redhat.com>
4645 DJ Delorie <dj@redhat.com>
4647 * jump.c (jump_optimize_1): When we delete a conditional jump
4648 preceeding a non-conditional jump to effectively the same place,
4649 make sure that the combined jump skips any clobber insns between
4652 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4654 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4656 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4658 * Makefile.in (toplev.o): Depend on params.h.
4659 (intergate.o): Likewise.
4660 (params.o): New target.
4661 * flags.h (inline_max_insns): Remove.
4662 * integrate.c: Include params.h.
4663 Use MAX_INLINE_INSNS instead of inline_max_insns.
4664 * params.c: New file.
4665 * params.h: Likewise.
4666 * params.def: Likewise.
4667 * toplev.c: Include params.h.
4668 (lang_independent_params): New variable.
4669 (decode_f_option): Use the param machinery instead of setting
4671 (independent_decode_option): Handle "--param name=value".
4672 (main): Register language-independent parameters.
4674 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4676 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4678 2001-02-14 Richard Henderson <rth@redhat.com>
4680 * regclass.c (init_reg_sets_1): Revert last two changes.
4682 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4684 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4685 (variable_size): Call put_pending_size.
4686 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4687 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4688 sizes list, put newly created SAVE_EXPR there as well.
4690 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4692 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4693 (errata_find_address_regs): load_group has only 2 entries.
4694 (errata_emit_nops): Likewise. shladd is not problematic.
4695 Clear last_group if nop was emitted.
4696 (fixup_errata): load_group has only 2 entries.
4699 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4701 * c-lex.c (lex_number): Only warn traditionally for U suffix
4702 outside system macros.
4703 * cppexp.c (parse_number): Similarly.
4704 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4705 * cppmacro.c (struct cpp_macro): New member node.
4706 (parse_args): Only warn about missing rest args if not
4708 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4709 (cpp_sys_objmacro_p): New.
4710 (_cpp_create_definition): Store the node with the macro defn.
4711 Remember if the macro is defined in a system header.
4713 2001-02-13 DJ Delorie <dj@redhat.com>
4715 * configure.in (check_languages): determine languages to check
4716 * Makefile.in (check-c++): alias for check-g++
4717 (check-f77): alias for check-g77
4718 (CHECK_TARGETS): depend on configured languages
4720 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4722 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4723 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4724 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4725 (sqrtextendsfdf2): Disable for SSE2.
4727 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4729 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4730 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4731 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4732 (sqrtextendsfdf2): Disable for SSE2.
4734 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4736 * i386.md (movsfcc_1): Support integer cmove instruction.
4737 (movdfcc_1): Likewise; new splitter.
4739 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4741 * i386.c (output_fp_compare): Support SSE.
4742 (prepare_fp_compare_args): SSE comparisons always support memory.
4743 * i386.h (TARGET_CMOVE): SSE imply cmove.
4744 * i386.md (cmp?f2): Enable for SSE too.
4745 (cmpfp_i*): Support SSE.
4747 (cmpfp_i_sse_only): New.
4748 (s*, b* fp expanters): Enable for SSE too.
4749 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4752 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4754 * regclass.c (init_reg_sets_1): Silence warning.
4756 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4758 * i386.md (sqrt?f2): Change to expander.
4759 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4761 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4763 * rtlanal.c (find_reg_equal_equiv_note): New function.
4764 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4765 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4766 * rtl.h: Add declarations for above functions.
4768 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4770 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4772 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4773 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4774 * flow.c (mark_regs_live_at_end): Likewise.
4775 (calculate_global_regs_live): Likewise.
4776 * gcse.c (compute_hash_table): Likewise.
4777 (compute_kill_rd): Likewise.
4778 * resource.c (mark_target_live_regs): Likewise.
4779 * rtl.h (INVALID_REGNUM): New macro.
4781 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4783 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4785 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4787 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4790 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4792 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4794 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4795 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4796 (fop_sf_1_sse, fop_df_1_sse): New patterns
4797 (fop_*): Disable float_extend and float patterns for SSE compilation.
4798 * i386.c (output_387_binary_op): Support SSE.
4800 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4802 * i386.md (dummy_extendsfdf2): Support SSE2
4803 (extendsfdf2): Enable if 80387 or SSE2.
4804 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4805 and no MIX_I387_SSE2
4806 (extendsfdf2_1_sse_only): New pattern.
4807 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4809 (truncdfsf2_1): Support SSE.
4810 (truncdfsf2_2): Support SSE.
4811 (truncdfsf2_2_1_sse): New pattern.
4812 (fixtruncsfsi2): Always use SSE if available.
4813 (fix_truncsfsi_sse): New pattern.
4814 (fix_truncdfsi_sse): New pattern.
4815 (floatsis?f2): Support SSE.
4816 (floatsidf2_i387): New pattern.
4817 (floatsidf2_sse): Likewise.
4819 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4821 * configure.in: Use "have_gnat" variable, not "gnat".
4822 * configure: Regenerated.
4824 * config/sparc/sparc.c (function_value): Treat all non-record
4825 aggregate types like used to treat UNION_TYPE.
4827 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4829 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4830 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4832 (MASK_MIX_SSE_I387): New.
4833 (TARGET_SSE): SSE2 imply SSE.
4834 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4835 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4836 (enum reg_class): Add new classes.
4837 (REG_CLASS_NAMES): Likewise.
4838 (REG_CLASS_CONTENTS): Likewise.
4839 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4840 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4841 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4842 (CLASS_MAX_NREGS): Use new macros.
4843 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4844 * i386.md (pushsf, movsf): Support SSE.
4845 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4846 splitters to use ANY_FP_REGNO_P.
4847 (movdf_nointeger, movdf_integer): Likewise.
4849 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4851 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4852 (try_combine): Use it.
4854 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4856 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4857 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4858 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4859 (REGISTER_MOVE_COST): Likewise.
4860 * i386-protos.h (ix86_secondary_memory_needed,
4861 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4862 * i386.c (ix86_secondary_memory_needed,
4863 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4865 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4867 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4868 (HARD_REGNO_MODE_OK): Move offline to ....
4869 * i386.c (ix86_hard_regno_mode_ok) ... here;
4870 refuse all incorrect modes.
4871 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4873 2001-02-13 Richard Henderson <rth@redhat.com>
4875 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4876 entire operator; replicate that and match_dup the operands.
4877 (cmp_ccx_arith_op_set): Likewise.
4878 (cmp_cc_arith_op_not_set): Likewise.
4879 (cmp_ccx_arith_op_not_set): Likewise.
4881 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4883 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4885 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4887 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4888 (TARGET_NO_BITFIELD_WORD): New macro.
4889 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4890 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4892 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4894 * cselib.c: New file, from simplify-rtx.c.
4895 * simplify-rtx.c: Remove cselib parts.
4896 * Makefile.in: Add cselib.o.
4898 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4900 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4901 (setup_incoming_varargs): Remove warning.
4903 * config/rs6000/rs6000.c (validate_condition_mode): When
4904 flag_fast_math, allow floating-point conditionals to be reversed.
4905 (rs6000_generate_compare): When flag_fast_math, don't generate
4906 cror operations for FP conditionals.
4908 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4910 (ASM_SPEC): Likewise.
4911 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4912 (CC1_SPEC): Likewise.
4913 (LINK_TARGET_SPEC): Likewise.
4914 (CPP_ENDIAN_SPEC): Likewise.
4915 * Makefile.in (check-consistency): New target.
4917 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4919 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4920 "return type defaults" warning for functions with return type
4922 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4923 function declarations by default rather than only when pedantic.
4925 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4927 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4930 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4932 * extend.texi (Deprecated): Deprecate new initializer lists.
4934 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4936 * mkdeps.c (deps_add_default_target): Robustify. Add
4937 basename component only.
4938 * cpp.texi (-M): Describe how default target is generated.
4939 * invoke.texi (-M): Likewise.
4941 2001-02-12 Kazu Hirata <kazu@hxi.com>
4943 * toplev.c (push_float_handler): Remove.
4944 (pop_float_handler): Remove.
4945 * toplev.h: Remove prototypes for the above functions.
4947 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4949 * c-common.c (constant_fits_type_p): New function.
4950 (convert_and_check): Use it.
4952 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4954 * Makefile.in (GXX_ABI_FLAG): Don't define.
4955 * configure.in (--enable-new-gxx-abi): Remove option.
4956 * config.in: Regenerated.
4957 * configure: Likewise.
4959 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4961 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4963 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4964 regular basic block, and arrange for all edges into it to switch
4967 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4969 * Makefile.in (distclean): Do not remove .gdbinit.
4971 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4973 * Makefile.in (gcc.o): Fix typos.
4974 (protize.o): Likewise.
4975 (unprotoize.o): Likewise.
4977 2001-02-11 Richard Henderson <rth@redhat.com>
4979 * tree.c (build1): Check for null operand in last change.
4981 2001-02-11 Richard Henderson <rth@redhat.com>
4983 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4984 (fold): Don't assume a constant isn't foldable.
4985 * tree.c (build): Set TREE_CONSTANT for an expression with no
4986 side-effects and constant operands.
4989 2001-02-10 Richard Henderson <rth@redhat.com>
4991 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4993 2001-02-10 Anthony Green <green@redhat.com>
4995 * cpp.texi (Standard Predefined): Add documentation for
4998 * c-common.c (combine_strings): Improve warning message.
5000 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5002 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5004 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5006 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5008 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5011 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5013 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5016 2001-02-09 Nick Clifton <nickc@redhat.com>
5018 * config/arm/arm.md: Change output contraint on post inc
5019 load/store multiple patterns to be a read/write contraint.
5021 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5023 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5024 .o files when using the -M options.
5026 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5027 David Edelsohn <edelsohn@gnu.org>
5029 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5030 handle DImode constants. Use one TOC entry for SImode and smaller
5031 constants, aligned properly.
5033 2001-02-08 Jason Merrill <jason@redhat.com>
5035 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5036 about the SP adjustment for saving the static chain pointer.
5037 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5038 offset when setting a temporary CFA register.
5040 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5042 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5043 powerpc-*-chorusos* .
5044 * config/rs6000/chorus.h : New file.
5045 * config/i386/chorus.h : New file.
5046 * config/sparc/chorus.h : New file.
5047 * config/sparc/t-chorus-elf : New file.
5049 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5051 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5052 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5053 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5054 (__WCHAR_TYPE__): Correct macro name.
5056 2001-02-08 Richard Henderson <rth@redhat.com>
5058 * config/i386/i386.c (ix86_frame_pointer_required): New.
5059 (ix86_setup_frame_addresses): New.
5060 (struct machine_funciton): Add accesses_prev_frame.
5061 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5062 ix86_frame_pointer_required.
5063 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5064 (SETUP_FRAME_ADDRESSES): New.
5065 * config/i386/i386-protos.h: Update.
5066 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5067 from FRAME_POINTER_REQUIRED.
5068 * config/i386/svr3gas.h: Likewise.
5069 * config/i386/sysv3.h: Likewise.
5070 * config/i386/v3gas.h: Likewise.
5072 2001-02-08 Richard Henderson <rth@redhat.com>
5074 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5075 calculation of the number of integer registers required.
5076 (function_arg_record_value): Likewise.
5078 2001-02-08 Jason Merrill <jason@redhat.com>
5080 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5081 two. Print file and line with "confused" message.
5083 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5085 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5087 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5089 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5091 * final.c (cleanup_subreg_operands): The address of a MEM can
5094 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5097 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5099 * gcc.texi (Incompatibilities): Update documentation of
5100 preprocessing numbers.
5102 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5104 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5106 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5108 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5110 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5111 * gcc.c (struct compiler): Add cpp_spec field.
5112 (input_file_compiler): New variable.
5113 (do_spec_1): Allow a particular compiler to handle `%C'
5115 (main): Store the current compiler in input_file_compiler.
5116 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5118 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5120 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5121 * cppinit.c (cpp_create_reader): Initialize them.
5122 (append_include_chain): cxx_aware arg might be unused.
5123 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5124 keywords and give them their phase 7 meaning. Pedwarn about
5125 this unless '__bool_true_false_are_defined' is defined.
5127 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5129 * lcm.c (optimize_mode_switching): Emit mode_set before the
5130 JUMP_INSN of an abnormal edge.
5132 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5134 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5135 a scheduling barrier at the end.
5137 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5139 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5141 * config/sh/sh.md (reload_outsf): Removed.
5142 (movsf_ie): Introduce constraints for FPUL loads and stores.
5143 (reload_insf): Broaden the output constraint.
5145 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5147 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5148 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5150 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5152 * final.c: Revert my previous changes.
5153 * output.h: Make profile_label_no extern.
5154 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5155 for generating label.
5157 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5159 * config/i386/djgpp.h: Add comments about standard paths.
5160 (MD_EXEC_PREFIX): Undefine before defining.
5161 (MD_STARTFILE_PREFIX): New.
5163 2001-01-30 Bruce Korb <bkorb@gnu.org>
5165 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5166 (load_file): do not rely on load_file_data() to close file pointer
5167 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5168 fixinc/inclhack.def(irix_limits_const): add test_text
5170 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5172 * cppexp.c (parse_defined): Improve diagnostics for invalid
5175 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5177 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5179 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5181 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5182 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5183 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5184 (rs6000_output_symbol_ref): New function.
5185 (output_toc): Use VTABLE_NAME_P.
5187 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5189 * print-tree.c (print_node, case PARM_DECL):
5190 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5192 * stor-layout.c (reference_types_internal): New variable.
5193 (internal_reference_types): New function.
5194 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5195 * tree.h (internal_reference_types): New declaration.
5197 * cse.c (find_best_addr): Fix typo in computing cost.
5199 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5201 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5202 and this is the sum of a pointer and a constant, we know the result
5204 (num_sign_bit_copies, case PLUS): Likewise.
5205 * explow.c (convert_memory_address): Remove opposite SUBREG.
5206 * function.c (instantiate_new_reg): New function (from common code).
5207 (instantiate_virtual_regs_1): Call it.
5208 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5209 if pointers sign- or zero-extend.
5210 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5211 If pointers extend unsigned, use inside of SUBREG.
5212 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5214 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5216 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5217 subdir of gcc_gxx_include_dir.
5218 (gcc_gxx_target_include_dir): Remove.
5220 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5222 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5223 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5224 a high-level description.
5226 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5228 * final.c: Move the declaration of profile_label_no to ...
5229 * output.h: ... here.
5230 * function.c (expand_function_start): Call PROFILE_HOOK.
5231 * config/rs6000/aix.h: Define PROFILE_HOOK.
5232 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5233 * config/rs6000/rs6000.c (output_profile_hook): Define.
5234 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5235 output_profile_hook.
5236 tm.texi : Explain new macro PROFILE_HOOK.
5238 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5240 * extend.texi (Extended Asm): Do not say that semicolon is always
5241 a valid line-breaking character for GNU assemblers. Use
5242 newline-tab as the most commonly supported syntax. Use
5243 newline-tab rather than semicolon in multi-insn examples.
5245 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5247 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5249 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5250 David Edelsohn <edelsohn@gnu.org>
5252 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5253 code for AIX, even without flag_pic.
5255 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5257 * c-typeck.c (common_type): push and pop binding level around
5258 calling common_type on function parameters.
5260 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5262 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5264 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5266 * config/mips/mips.c (override_options): Fix typo in last change.
5267 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5268 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5270 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5272 * invoke.texi (-fdump-class-layout): Document.
5273 (-fdump-translation-unit): Use `=' as filename separator.
5275 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5277 * Makefile.in (s-mlib): Don't build multilibs if
5279 (DRIVER_DEFINES): Adjust accordingly.
5281 (protoize.o): Likewise.
5282 (unprotoize.o): Likewise.
5283 * configure.in: Recognize --enable-multilib.
5285 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5287 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5289 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5290 * configure.in: Remove --enable-libstdcxx_v3 support.
5291 * configure: Regenerated.
5293 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5295 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5296 Call abort instead of fatal.
5297 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5298 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5299 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5300 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5301 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5302 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5304 * diagnostic.h (set_internal_error_function): Renamed.
5305 * toplev.h (internal_error): Renamed from fatal.
5306 (pfatal_with_name): Deleted.
5307 (fatal_io_error): Now has printf-style arguments.
5308 * diagnostic.c (pfatal_with_name): Deleted.
5309 (fatal_io_error): Rework to have args in printf-style.
5310 (set_internal_error_function): Renamed from set_fatal_function.
5311 (internal_error): Renamed from fatal.
5312 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5313 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5314 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5315 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5316 * flow.c (verify_flow_info): Likewise.
5317 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5318 * config/mips/mips.c (save_restore_insns): Likewise.
5320 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5321 * flow.c (verify_flow_info): Likewise.
5322 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5323 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5324 (avr_normalize_condition): Likewise.
5325 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5326 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5327 (limit_reload_class, double_reg_to_memory): Likewise.
5328 (print_operand_address, emit_1600_code_shift): Likewise.
5329 (gen_tst_reg, gen_compare_reg): Likewise.
5330 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5331 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5333 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5335 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5336 * objc/objc-act.c (build_ivar_chain): Likewise.
5337 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5339 * graph.c (clean_graph_dump_file): Likewise.
5340 * profile.c (init_branch_prob): Likewise.
5341 * objc/objc-act.c (objc_init): Likewise.
5343 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5344 * config/avr/avr.c (avr_override_options): Likewise.
5345 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5346 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5347 * config/h8300/h8300.c (h8300_init_once): Likewise.
5348 * config/mips/mips.c (override_options): Likewise.
5349 * config/i386/i386.c (override_options): Likewise, rework.
5350 * config/m68k/m68k.c (override_options): Likewise.
5352 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5354 * config/mips/mips.c (print_operand): Likewise.
5355 * hash.c (hash_allocate): Don't check for failure returns from
5356 obstack functions that can't fail.
5357 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5358 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5359 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5360 (get_object_reference): Likewise.
5362 2001-02-04 Nick Clifton <nickc@redhat.com>
5364 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5365 StrongARM1110, 10TDMI, and 1020T.
5367 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5369 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5371 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5373 * config/sh/sh.md (movdf load split): Pass register number to
5374 FP_OR_XD_REGISTER_P.
5376 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5378 * cppinit.c (BC): New macro.
5379 (builtin_array): Add __GXX_WEAK__.
5380 * cpplib.h (builtin_type): Add BT_WEAK.
5381 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5382 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5383 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5385 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5387 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5389 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5391 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5392 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5394 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5396 * cpphash.h: Rename ALIGN _ALIGN.
5397 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5399 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5401 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5402 compilation environment.
5403 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5404 control over location of cygwin includes and libs.
5406 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5408 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5410 2001-02-02 lars brinkhoff <lars@nocrew.org>
5412 * md.texi (Standard Names): remove reference to spur.md.
5414 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5416 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5417 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5418 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5419 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5420 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5422 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5424 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5425 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5426 number before reload.
5427 (c4x_adjust_cost): Return zero before reload.
5428 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5429 split before reload.
5431 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5433 * c4x.c (c4x_hard_regno_rename_ok): New.
5434 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5435 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5437 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5439 * diagnostic.h: Add missing "extern" in all declarations.
5441 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5443 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5444 as for gcc_gxx_include_dir.
5446 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5448 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5450 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5452 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5453 label before alignment to be used as the braf base address.
5454 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5456 (casesi_jump_2): Require at least TARGET_SH2.
5458 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5459 truncation to 32-bit doubles on -m3e and -m4-single-only.
5461 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5463 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5464 the default when building a shared object.
5465 (init_spec): Use it.
5466 * testsuite/lib/g++.exp: Include the directory where libgcc
5467 is located to the LD_LIBRARY_PATH list.
5468 * invoke.texi (-shared-libgcc): Document the cases in which
5469 GCC defaults to using the shared libgcc.
5471 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5473 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5474 unsigned is wide enough.
5476 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5477 (si_to_float): Likewise.
5478 (float_to_si, float_to_usi): Use BITS_PER_SI.
5480 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5482 * dwarf2out.c: Added explanation of abbreviations.
5483 (def_cfa_1): Added comments listing DWARF2 instructions.
5484 (cfa_temp_reg): Removed in favor of cfa_temp.
5485 (cfa_temp_value): Removed in favor of cfa_temp.
5486 (cfa_temp): New global variable.
5487 (dwarf2out_frame_debug_expr): Added extensive introductory
5488 comments explaining the function's transformations. Revised to
5489 use cfa_temp. Added some rtx checking. Generalize IOR case.
5490 (dwarf2out_frame_debug): Revised to use cfa_temp.
5491 (output_aranges): Cast as "unsigned" to avoid warning.
5492 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5493 explain which instructions must be marked.
5495 2001-02-01 Richard Henderson <rth@redhat.com>
5497 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5500 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5502 * config/sh/crt1.asm (main_k): Modified so that start calls
5503 ___setup_argv_and_call_main.
5505 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5507 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5508 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5509 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5510 * cppmacro.c (builtin_macro): Set builtin flags here.
5511 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5512 (replace_args): Clarify intent.
5513 (cpp_get_token): Macro expansion tokens get the saved flags.
5515 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5518 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5520 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5523 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5525 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5526 returns Pmode pseudo, but we need ptr_mode.
5527 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5528 Remove bogus conversions; use HOST_WIDE_INT for size.
5529 Don't use TARGET if wrong mode.
5531 * config/i386/i386.c (ix86_compute_frame_size): Allow
5532 stack_alignment_needed to be non-default even if size is zero.
5534 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5536 * pa.c (hppa_init_pic_save): New function.
5537 * pa.h (hppa_init_pic_save): Declare.
5538 * pa.md (call, call_value, sibcall, sibcall_value): Use
5539 the above instead of duplicated code.
5541 * pa.c (hppa_encode_label): Correct size of alloca buffer
5542 so we don't overrun it. Correct leading `*' case.
5543 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5544 need to handle `*@'.
5545 (FUNCTION_NAME_P): Likewise.
5547 2001-01-31 Richard Henderson <rth@redhat.com>
5549 * config.gcc (alpha-osf5): Use float-i128.h.
5551 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5552 * config/float-i32.h: Likewise.
5553 * config/float-i64.h: Likewise.
5554 * config/float-sh.h: Likewise.
5555 * config/float-sparc.h: Likewise.
5557 2001-01-31 DJ Delorie <dj@redhat.com>
5559 * expmed.c (extract_bit_field): allow non-integral modes if we
5560 want to extract a whole register from itself.
5562 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5564 * c-typeck.c (set_init_index): If first is equal to last, assume as
5565 if it was not a range at all.
5567 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5569 * config/fp-bit.c: Include tm.h.
5570 (float_to_si): Don't assume SImode is 32-bits wide.
5571 (float_to_usi): Likewise.
5573 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5575 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5577 (typename): Call pending_xref_error after parsing typed_typespecs.
5578 * c-decl.c (lookup_tag): Give error immediately rather than
5579 leaving it pending if the tag of the wrong type is in the same
5581 (xref_tag): Don't pedwarn for forward declarations of enum types
5583 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5586 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5588 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5590 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5592 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5593 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5595 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5597 * cpphash.h (struct cpp_reader): New saved_flags.
5598 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5599 to avoid a paste after a pasted token.
5601 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5603 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5604 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5605 Wtype_MIN instead of LONG_MIN.
5607 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5609 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5611 * fixinc/fixincl.x: Regenerated.
5612 * fixinc/inclhack.def (irix_limits_const): New definition to
5613 convert "const" to "__const" in limits.h.
5615 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5617 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5619 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5621 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5622 when register dies in the insn.
5624 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5626 * diagnostic.c (fatal): Fix word wrap.
5628 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5630 * combine.c (try_combine): Fix SUBREG setting for
5631 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5633 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5635 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5638 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5640 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5642 * toplev.c (decode_W_option): Update warn_larger_than
5643 unconditionally for each processed switch.
5645 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5647 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5649 (hppa_expand_prologue): Delete code to save pic offset table register
5650 in the function prologue.
5651 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5652 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5653 table register at the beginning of the function after the prologue.
5655 2001-01-29 lars brinkhoff <lars@nocrew.org>
5657 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5659 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5660 Jeff Law <law@redhat.com>
5662 * pa.md (return): Revise comment for trivial return.
5663 (return_internal): Non-trivial return pattern for non-PIC code.
5664 (return_internal_pic): Non-trivial return pattern for PIC code.
5665 It uses the PIC register to ensure it is restored after
5667 (epilogue): Generate appropriate return for PIC and non-PIC code.
5669 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5671 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5673 2001-01-29 DJ Delorie <dj@redhat.com>
5675 * combine.c (if_then_else_cond): Pass the correct mode to
5676 operand_subword() for constants.
5678 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5680 * config/i386/cygwin.h: Add w32api to include search. Search different
5681 directories in a cross-build environment.
5683 2001-11-29 Tim Josling <tej@melbpc.org.au>
5685 * tree.h (TYPE_STUB_DECL): Add documentation.
5687 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5689 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5690 (sdbout_field_types): Likwise. Fix use of host_integerp.
5692 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5694 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5697 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5699 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5700 to use flag_gnu_linker.
5702 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5704 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5705 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5707 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5709 * tree.c, tree.h (build_parse_node): Remove; was identical to
5711 * c-lang.c (start_cdtor), objc/objc-act.c
5712 (build_module_descriptor): Use build_nt instead of
5715 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5717 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5718 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5719 not have any upper bits set.
5721 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5723 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5725 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5727 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5729 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5731 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5732 (integer_minus_one_node): Define.
5734 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5736 * Makefile.in (bootstrap2-lean): Fix typo.
5738 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5740 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5741 : Don't set fe_value.
5742 * cpplib.h (AVOID_LPASTE): New flag.
5743 (struct cpp_hashnode): Remove fe_value.
5744 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5745 * cppmacro.c (builtin_macro): Don't set flags here.
5746 (replace_args): Set AVOID_LPASTE flag on first token of an
5747 argument, and the token following it.
5748 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5749 macro expansion, and on the token following it. Do it for
5751 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5753 2001-01-27 Richard Henderson <rth@redhat.com>
5755 * config/alpha/t-ieee: Remove multilibbing.
5756 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5758 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5760 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5762 * Makefile.in: Remove all dependencies on defaults.h.
5763 * builtins.c: Don't include defaults.h.
5764 * c-common.c: Likewise.
5765 * c-decl.c: Likewise.
5766 * c-pragma.c: Likewise.
5767 * c-typeck.c: Likewise.
5768 * combine.c: Likewise.
5770 * frame-ia64.c: Likewise.
5771 * cppexp.c: Likewise.
5772 * crtstuff.c: Likewise.
5773 * dbxout.c: Likewise.
5774 * dwarf2out.c: Likewise.
5775 * dwarfout.c: Likewise.
5776 * emit-rtl.c: Likewise.
5777 * except.c: Likewise.
5779 * final.c: Likewise.
5780 * frame-dwarf2.c: Likewise.
5781 * libgcc2.c: Likewise.
5782 * optabs.c: Likewise.
5783 * profile.c: Likewise.
5784 * sdbout.c: Likewise.
5785 * toplev.c: Likewise.
5786 * tradcif.y: Likewise.
5788 * varasm.c: Likewise.
5790 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5792 * builtins.c (expand_builtin_fputs): Use size_one_node when
5793 transforming into fwrite.
5795 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5797 * extend.texi (Attribute Syntax): New section.
5799 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5801 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5802 they didn't need fixing.
5804 2001-01-27 Janis Johnson <janis@us.ibm.com>
5806 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5808 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5809 to remove macro definitions that are duplicated from elfos.h.
5811 2001-01-27 Richard Henderson <rth@redhat.com>
5813 * config/i386/sco5gas.h: Move ...
5814 * config/usegas.h: ... here.
5815 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5817 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5819 * c-typeck.c (struct constructor_stack): Add range_stack member.
5820 (really_start_incremental_init): Clear it.
5821 (push_init_level): Save constructor_range_stack and clear it if
5822 pushing explicit braces.
5823 (pop_init_level): abort if constructor_range_stack is non-zero at
5824 explicit closing brace. Restore saved constructor_range_stack if
5827 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5829 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5830 into register was forced into memory.
5832 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5834 * Makefile.in: Remove uses of + before $(MAKE).
5836 2001-01-26 Richard Henderson <rth@redhat.com>
5838 * stmt.c (cost_table): Remove.
5839 (COST_TABLE, cost_table_initialized): New.
5840 (estimate_case_costs): Use the later instead of the former.
5841 (balance_case_nodes): Likewise.
5843 2001-01-26 Richard Henderson <rth@redhat.com>
5845 * alias.c (objects_must_conflict_p): Read-only slots may not
5846 conflict despite having the same type.
5848 2001-01-27 Michael Hayes <mhayes@redhat.com>
5850 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5852 (check_ext_dependant_givs): Initialise u_start_val and
5854 (load_mems): Make last_max_reg unsigned.
5855 (try_swap_copy_prop): Use INSN_P and initialise set.
5857 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5859 * README.AVR : Removed.
5861 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5863 * pa-64.h (text_section): Remove declaration.
5865 * pa.md (return_internal): Remove mode on PIC register use.
5867 2001-01-25 lars brinkhoff <lars@nocrew.org>
5869 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5870 ASM_CLOSE_PAREN): fix typos.
5872 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5874 * acconfig.h: Define `const' to the empty string if neither
5875 __STDC__ nor __cplusplus is defined.
5876 * config.in: Regenerated.
5878 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5880 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5881 * collect2.c (main): Delete importf. Add ".obj" file extension.
5882 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5883 (aix_std_libs): Add additional AIX libraries to skip.
5884 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5885 * config/rs6000/aix51.h: New file.
5887 2001-01-25 Michael Hayes <mhayes@redhat.com>
5889 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5890 (loop_insn_emit_before): No longer static.
5891 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5892 (loop_givs_rescan, load_mems): Likewise.
5893 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5894 (maybe_eliminate_biv_1):
5895 (move_movables): Replace emit_call_insn_before with
5896 loop_call_insn_hoist.
5897 * loop.h (loop_insn_emit_before): Add.
5898 * unroll.c (copy_loop_body): Replace emit_insn_before with
5899 loop_insn_emit_before.
5901 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5903 * diagnostic.c (fatal): Request preprocessed source.
5905 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5907 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5908 olddecl has argument types and newdecl has none, use the argument
5911 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5913 * dwarf2out.c (prefix_of): New function. Determine longest common
5914 prefix of the two arguments. The units are whole path components.
5915 (output_file_names): When adding a new directory find the one entry
5916 with the longest common prefix already in the list. Artificially
5917 generate entry if there is none for this prefix.
5918 Fix test to check whether the zeroth directory entry is used.
5920 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5922 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5923 Changed all callers. Take it into account when deciding if a
5924 previously loaded value matches.
5926 2001-01-24 Richard Henderson <rth@redhat.com>
5928 * reload.c (find_reloads_subreg_address): Fail the substitution
5929 if the resulting address is insufficiently aligned.
5931 2001-01-24 DJ Delorie <dj@redhat.com>
5933 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5934 check the original operand's mode also.
5935 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5937 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5939 * c-parse.in (cast_expr): Move compound literals from here ...
5940 (primary): ... to here. Use standard terminology "compound
5941 literal" instead of "constructor expression".
5943 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5945 * gcc.1, cpp.1: Regenerate.
5947 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5949 * calls.c (emit_library_call_value_1): Memory slot for
5950 pass-by-reference argument should have the mode of the argument,
5951 not of the pointer to it.
5953 2001-01-24 Tom Tromey <tromey@redhat.com>
5955 * gcc.texi (G++ and GCC): Mention gcj manual.
5956 (Standards): Link to section of manual mentioning gcj/Java
5959 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5961 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5962 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5963 * tradcpp.c (main): Add -imacros or -include'd dependencies
5965 * cpp.texi (-M, -MM): Document -M -include behaviour.
5967 2001-01-24 Roger Collins <roger@ProProject.com>
5969 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5971 2001-01-24 Will Cohen <wcohen@redhat.com>
5973 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5974 whether registers are 32 bits or 64 bits in size.
5976 2001-01-24 Ben Elliston <bje@redhat.com>
5978 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5980 2001-01-24 Richard Henderson <rth@redhat.com>
5982 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5983 (builtin_longjmp): Use it instead of emit_indirect_jump.
5985 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5987 * bb-reorder.c (make_reorder_chain_1): Handle case where
5988 jump edge goes to the same block as the fallthru edge.
5990 2001-01-23 Jim Wilson <wilson@redhat.com>
5992 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5993 * frame.h (__ia64_personality_v1): Add prototype.
5994 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5995 prototype form. Add void * cast to first argument to personality
5997 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5998 (asctoe113): Likewise.
5999 * config/ia64/frame-ia64.c: Include eh-common.h.
6000 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6002 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6004 (itanium_split_issue): Add prototype.
6005 (gen_nop_type): Ifdef out.
6006 (find_best_packet): Initialize best_packet.
6007 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6009 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6010 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6011 (flushrs): Add explicit stop bit at end.
6012 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6015 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6017 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6019 * libgcc2.c (__terminate_func): Make variable static.
6020 (__terminate_set_func): New function to set __terminate_func.
6021 * libgcc2.h (__terminate_func_ptr): New typedef.
6022 (__terminate_set_func): New function.
6024 2001-01-23 Richard Henderson <rth@redhat.com>
6026 * flow.c (init_propagate_block_info): Don't consider unchanging
6027 memories for dead frame store elimination.
6029 2001-01-23 Richard Henderson <rth@redhat.com>
6031 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6032 * defaults.h: ... here.
6034 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6036 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6038 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6040 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6042 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6044 * rs6000.h (rs6000_return_addr): Move prototype from here...
6045 * rs6000-protos.h (rs6000_return_addr): ...to here.
6046 (rs6000_init_expanders): Delete prototype.
6048 2001-01-23 Nick Clifton <nickc@redhat.com>
6050 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6051 (Spec Files): Document %B and %j and %. and %v3 and %M and
6052 %{S*&T} spec switches.
6054 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6056 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6058 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6059 Neil Booth <neil@daikokuya.demon.co.uk>
6061 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6062 Have -Werror make pedantic warnings errors, like the
6065 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6067 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6069 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6071 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6072 * integrate.c (expand_inline_function): Initialize them.
6073 (subst_constants): If changing COMPARE so that both its arguments
6074 will be VOIDmode and the comparison mode will be lost, note
6075 compare_mode. Use the recorded compare_mode to optimize
6078 2001-01-23 Jason Merrill <jason@redhat.com>
6080 * dwarf2out.c (new_die): Use xcalloc.
6081 (output_die): Abort rather than emit a local reference to offset 0.
6083 2001-01-17 Andrew Haley <aph@redhat.com>
6085 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6086 of a saved register; return NULL instead.
6087 (copy_reg): Take a pointer to a source register rather than a
6089 (next_stack_level): Remember the address in the stack frame of all
6091 Use the saved register pointer array as the source of the CFA.
6092 (throw_helper): Rewrite. Unwind once rather than twice and keep
6093 track of saved registers as we go.
6095 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6097 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6098 * c4x.c (c4x_legitimize_reload_address): Remove.
6099 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6100 reload address for ldp(k) insn.
6102 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6104 * pa.md (return_internal): Add a USE of the PIC register to ensure
6105 it is restored after each call.
6106 (return expander): Corresponding changes.
6108 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6110 * rs6000.h (INIT_EXPANDERS): Delete.
6111 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6112 * rs6000.c (rs6000_override_options): Call *_machine_status from
6114 (rs6000_init_expanders): ...instead of here. Delete.
6115 (rs6000_mark_machine_status): New function.
6116 (rs6000_init_machine_status): Use xcalloc.
6117 (rs6000_return_addr): Generate RTX for the return address.
6118 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6119 (rs6000_stack_info): Use it.
6121 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6123 * gthr-win32.h: Include errno.h to get a declaration for
6124 EINVAL and _mingw.h if the target is mingw32.
6126 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6128 * cpp.texi: Correct typos.
6130 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6132 * explow.c (probe_stack_range): Ensure value passed to
6133 stack_check_libfunc is ptr_mode, not Pmode.
6135 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6137 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6138 case, don't use operand_subword to calculate a SUBREG that is
6141 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6143 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6145 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6146 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6147 valid. If not replace it by equivalent insns.
6149 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6151 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6152 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6153 (c4x_U_constraint, symbolic_address_operand): Likewise.
6154 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6156 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6157 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6158 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6159 anulling slot because of silicon bug.
6160 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6162 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6164 * cppexp.c (parse_charconst): Change `mask' type to agree
6167 2001-01-21 Richard Henderson <rth@redhat.com>
6169 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6170 pic_label_name in a linkonce section.
6172 2001-01-17 Philipp Thomas <pthomas@suse.de>
6174 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6176 * configure: Regenerate.
6178 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6180 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6181 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6183 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6185 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6186 If REVERSE nonzero then condition code in X must be reversed.
6187 (encode_section_info): Optimise if/else.
6188 (avr_function_value): Fix formatting.
6190 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6191 (difficult_branch): Likewise.
6192 (rvbranch): Likewise.
6193 (difficult_rvbranch): Likewise.
6195 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6197 * config/avr/libgcc.S: Fix comment.
6199 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6201 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6203 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6205 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6207 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6209 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6210 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6211 * configure, config.in: Regenerate.
6212 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6213 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6214 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6215 (doprint.o): New rule.
6217 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6219 * c-typeck.c (digest_init): Handle boolean types as scalars.
6221 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6223 * stmt.c (expand_return): Don't return anything if size is zero.
6224 Delete redundant assignment to BYTES.
6225 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6227 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6229 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6230 the same as the default library function names.
6231 * config/avr/avr.md: Document special characters after '%'.
6232 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6233 knowing which of the call-used registers are really clobbered.
6234 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6235 New. Both quotient and remainder from one libgcc.S call.
6236 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6237 clobber as few registers as possible.
6238 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6240 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6242 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6243 context of the top of the stack.
6245 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6247 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6248 (fixup_var_refs_insns): ...here.
6250 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6252 * function.c (fixup_var_refs_insns): Break up into
6253 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6254 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6255 [loop over hash table entries].
6256 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6257 fixup_var_refs_insns_with_hash, to match above changes.
6259 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6261 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6262 (libgcc.a): Likewise.
6263 (stmp-multilib): Likewise.
6264 (STAGE2_FLAGS_TO_PASS): Likewise.
6266 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6268 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6269 temporary if no_new_pseudos.
6271 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6273 * cppinternals.texi: Update.
6275 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6277 * arm.c (arm_init_builtins): Re-enable builtins.
6279 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6281 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6282 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6283 element to be null, and always expect an EXPR_LIST.
6284 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6285 * sched-deps.c (sched_analyze_1): Likewise.
6286 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6288 * regclass.c (max_set_parallel): New variable.
6289 (reg_scan): Take it into account in computation of max_parallel.
6290 (reg_scan_mark_refs, case SET): Compute it.
6292 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6294 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6295 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6297 2001-01-19 Jason Merrill <jason@redhat.com>
6299 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6300 for the abstract instance of an inline function.
6302 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6303 J"orn Rennecke <amylaar@redhat.com>
6305 * reload1.c (move2add_note_store): Treat all registers directly or
6306 indirectly derived from a base register as members of the same set
6308 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6309 of base register into account.
6311 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6313 * alias.c (find_base_value): Recognize TRUNCATE.
6314 (record_set): In PLUS case, invalidate if other summand is also a
6317 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6319 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6320 entry to be EXPR_LIST.
6321 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6322 be an EXPR_LIST (but not null, which other code doesn't allow).
6323 (note_stores): Properly handle PARALLEL in SET.
6324 Recursively call for top-level PARALLEL.
6325 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6326 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6328 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6330 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6332 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6333 not pfile->skipping (== 0).
6335 2001-01-17 Nick Clifton <nickc@redhat.com>
6337 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6340 2001-01-17 Jim Wilson <wilson@redhat.com>
6342 * invoke.texi (IA-64 options): Improve.
6344 2001-01-17 Tom Tromey <tromey@redhat.com>
6346 * invoke.texi (Optimize Options): Use `{}' to around @samp
6349 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6351 * invoke.texi (-fno-guess-branch-probability): New option.
6353 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6355 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6356 case of making new double-word constant.
6357 Revert last change: instead just test i3_subst_into_i2.
6359 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6361 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6362 Use q constraints instead of r.
6364 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6366 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6367 (machine_function): Define.
6368 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6369 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6370 pa_free_machine_status): New functions.
6371 (override_options): Set {init,mark,free}_machine_status to above.
6372 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6373 PIC_OFFSET_TABLE_REGNUM_SAVED.
6374 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6375 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6376 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6377 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6378 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6380 2001-01-15 DJ Delorie <dj@redhat.com>
6382 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6386 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6388 * flow.c (propagate_on_insn): Make trying to delete a prologue
6389 or epilogue insn an ICE, not a warning. Allow doing this if
6390 the current function returns with stack pointer depressed.
6392 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6393 I3 having more than one SET.
6395 2001-01-16 Jim Wilson <wilson@redhat.com>
6397 * invoke.texi: Document IA-64 options.
6399 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6400 (fixup_errata): Delete TARGET_A_STEP use.
6401 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6402 (TARGET_SWITCHES): Delete -ma-step option.
6403 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6404 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6405 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6406 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6407 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6408 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6410 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6411 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6412 cmovsi_internal): Delete ! TARGET_A_STEP check.
6414 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6416 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6417 possibility to report bugs via postal mail. Change a URL and
6418 merge in a nearly duplicate statement...
6419 (Bug Reporting): ...from here.
6420 (Service): Refer to the Bug Reporting section instead of
6422 (Contributing): Remove trivial explanations concerning snapshots.
6424 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6426 * cppmain.c (general_init): Don't use ANSI prototype.
6428 2001-01-16 Tom Tromey <tromey@redhat.com>
6430 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6432 2001-01-16 Richard Henderson <rth@redhat.com>
6434 * config/i386/i386.h: Fix comment typo.
6435 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6436 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6438 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6440 * gcc.c: Revert previous -fsyntax-only-related change; move
6443 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6445 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6446 inmode after checking GET_CODE (op).
6448 2001-01-16 Richard Henderson <rth@redhat.com>
6450 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6451 (MAX_MEM_SET_LIST_LEN): New.
6452 (propagate_one_insn): Update mem_set_list_len.
6453 (invalidate_mems_from_autoinc): Likewise.
6454 (invalidate_mems_from_set): Likewise.
6455 (mark_used_regs): Likewise.
6456 (init_propagate_block_info): Likewise. Stop collecting memories
6457 when we reach MAX_MEM_SET_LIST_LEN.
6458 (mark_set_1): Likewise.
6460 2001-01-16 Richard Henderson <rth@redhat.com>
6462 * unroll.c (precondition_loop_p): Fail if no iteration
6465 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6467 * gcc.c: When -fsyntax-only is given, do not complain about
6470 2001-01-15 Richard Henderson <rth@redhat.com>
6472 * config/i386/i386.c (asm_output_function_prefix): Remove.
6473 (ix86_asm_file_end): New.
6474 (load_pic_register): Generate pic_label_name into a
6475 staticly allocated buffer.
6476 * config/i386/i386-protos.h: Update.
6477 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6478 (ASM_FILE_END): New.
6479 * config/i386/i386afe.h: New file.
6480 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6481 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6482 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6483 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6484 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6485 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6486 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6488 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6490 * Makefile.in (install-man): Remove explicit dependency on
6493 * configure.in, configure: Revert previous patch requiring perl
6496 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6498 * toplev.c (flag_guess_branch_prob): New.
6499 (f_options): Add guess-branch-probability option.
6500 (rest_of_decl_compilation): Only estimate branch probability if
6502 (main): set flag_guess_branch_prob.
6504 * flags.h (flag_guess_branch_prob): New.
6506 2001-01-15 DJ Delorie <dj@redhat.com>
6508 * gcc.texi (Makefile): Add documentation for Makefile targets.
6510 2001-01-15 Philip Blundell <philb@gnu.org>
6512 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6514 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6515 (is_pic): Delete declaration.
6516 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6517 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6518 * config/arm/arm.md (builtin_setjmp_receiver): New.
6520 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6522 * arm.c (use_return_insn): Don't try to determine the function type
6523 until after reload has completed.
6524 (arm_output_epilogue): Don't adjust the sp value recovered from the
6526 (emit_multi_reg_push): Don't record dwarf information for the pc.
6527 * arm.md (eh_epilogue): The function type may have changed, so it
6528 needs to be recalculated.
6529 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6530 unwind tables on arm/netbsd.
6532 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6534 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6535 (negated_cbranchsi4): Likewise.
6537 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6539 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6540 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6541 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6542 pass -mapcs-* options to assembler.
6543 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6544 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6545 (ASM_SPEC): Call subtarget_extra_asm_spec.
6547 2001-01-15 Andreas Jaeger <aj@suse.de>
6549 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6551 (ix86_expand_builtin): Likewise.
6553 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6554 warning about comparison between signed and unsigned.
6556 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6558 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6560 2001-01-14 Ralf Baechle <ralf@gnu.org>
6562 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6563 SUBTARGET_CPP_SPEC apropriatly.
6565 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6567 * varasm.c (make_decl_rtl): Fix typo in last change.
6569 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6571 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6572 linker supports the init_priority C++ attribute.
6573 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6574 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6575 linker does not support init_priority C++ attribute.
6577 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6579 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6581 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6583 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6584 * cp/lex.c (finish_parse): Similarly.
6585 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6586 Return the number of errors encountered.
6587 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6588 * cppmain.c (main): Don't call cpp_destroy.
6590 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6592 * configure.in: Require at least perl 5.6.0 to regenerate
6594 * configure: Regenerate.
6596 2001-01-14 Richard Henderson <rth@redhat.com>
6598 * genrecog.c (DT_veclen_ge): New.
6599 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6600 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6601 (nodes_identical_1): Handle DT_veclen_ge.
6602 (write_cond, debug_decision_2): Likewise.
6604 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6606 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6608 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6610 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6612 * cppmain.c (do_preprocessing): New function; most of the old
6614 (main): Call it to do most of the work.
6615 (cb): Move from global scope to set_callbacks ().
6616 (setup_callbacks): Get the callback pointer.
6617 (general_init, printer_init): Clean up code and comments.
6619 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6621 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6624 2001-01-14 Kazu Hirata <kazu@hxi.com>
6626 * config/h8300/h8300.c (get_shift_alg): Update comments.
6628 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6630 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6631 (alloc_page, ggc_alloc): Add casts to remove warnings.
6633 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6635 * combine.c (simplify_comparison): Don't change `code' when
6636 can't reverse comparison.
6638 2001-01-14 Richard Henderson <rth@redhat.com>
6640 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6641 update all call sites. Return true for all non-label constants.
6643 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6645 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6647 (ix86_expand_branch): Update.
6648 (ix86_expand_setcc): Update to handle multiple test conditions.
6649 (expand_int_movcc): Likewise.
6650 (expand_fp_movcc): Likewise.
6651 * i386-protos.h (ix86_expand_compare): New.
6652 * i386.md (andqi_?_slp, orqi_?_slp): New.
6653 (conditional trap expander): Update call to ix86_expand_compare.
6655 2001-01-14 Richard Henderson <rth@redhat.com>
6657 * config/vax/vax.md: Use nonimmediate_operand instead of
6658 general_operand in destinations.
6660 * config/vax/vax.md (indirect_jump): Use register_operand.
6662 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6663 * config/vax/vax.md (call_pop): Turn into an expander.
6664 (call_value_pop): Likewise.
6665 (call, call_value): New.
6667 2001-01-14 Andreas Jaeger <aj@suse.de>
6669 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6671 (ix86_fp_compare_mode): Add unused attribute.
6672 (ix86_expand_fp_movcc): Remove unused variable.
6673 (ix86_expand_builtin): Make fcode unsigned.
6675 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6676 (expand_expr): Add cast to avoid signed warning.
6677 (store_field): Likewise.
6678 (store_constructor_field): Likewise.
6679 (store_constructor): Likewise.
6680 (store_expr): Likewise.
6681 (clear_storage): Likewise.
6682 (emit_group_store): Likewise.
6683 (emit_group_load): Likewise.
6685 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6687 * c-common.c: Move format checking code to ...
6688 * c-format.c: ... here. New file. Reorder some functions and
6690 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6692 * c-common.h (decl_handle_format_attribute,
6693 decl_handle_format_arg_attribute): Declare.
6694 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6695 (c-common.o): Adjust dependencies.
6696 (c-format.o): New list of dependencies.
6698 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6700 * unroll.c (loop_iterations): If we cannot prove iteration variable
6701 is set once in each iteration, punt.
6703 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6705 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6706 (*strlenhi): Remove clobber (which was buggy) of output address.
6708 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6710 * Makefile.in (generated-manpages): Add gcc.1
6711 ($(srcdir)/gcc.1): New target.
6712 (maintainer-clean): Delete $(srcdir)/gcc.1.
6713 * gcc.texi: Add macros @gccoptlist and @gol.
6714 * invoke.texi: Include option summary in manpage. Mark up option
6715 summary with @gccoptlist and @gol. Use @r in one place where
6717 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6718 * gcc.1: Generate from invoke.texi.
6720 2001-01-13 Richard Henderson <rth@redhat.com>
6722 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6723 (struct page_entry): Add group member.
6724 (struct page_group): New.
6725 (struct globals): Add page_groups member.
6726 (alloc_anon): Only define for using mmap; remove valloc call.
6727 (page_group_index): New.
6728 (set_page_group_in_use): New.
6729 (clear_page_group_in_use): New.
6730 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6731 (free_page, release_pages): Likewise.
6732 * configure.in (with-gc): Default to ggc-page always.
6734 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6736 * reload1.c (replace_pseudos_in_call_usage): Use
6737 reg_equiv_constant and reg_equiv_address, and don't try
6738 regno_reg_rtx first.
6740 2001-01-13 Richard Henderson <rth@redhat.com>
6742 * ggc-page.c (alloc_page): Round up allocation size to one page.
6743 Set e->order on extra pages.
6745 2001-01-13 Richard Henderson <rth@redhat.com>
6747 * genrecog.c (nodes_identical): Expand commentary.
6748 (write_switch): Watch out for identical nodes.
6750 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6752 * cppfiles.c (_cpp_fake_include): New function.
6753 * cpphash.h (_cpp_fake_include): New.
6754 * cpplib.c (do_line): Call _cpp_fake_include when entering
6755 header files in preprocessed input.
6756 * cppmain.c (cb_pragma_implementation): Remove handling.
6757 (setup_callbacks): Don't register pragmas.
6759 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6761 * extend.texi: Udate for CPP.
6763 2001-01-13 Andreas Jaeger <aj@suse.de>
6765 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6767 * regmove.c: Add prototype for replace_in_call_usage.
6769 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6771 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6772 struct cpp_chunk, struct htab, struct toklist,
6773 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6774 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6775 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6776 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6777 (struct macro_args): Delete.
6778 * cpphash.h: See above.
6780 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6782 * cppmain.c (struct printer): Remove no_line_dirs.
6784 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6785 : Use options rather than CPP_OPTION.
6786 (setup_callbacks): Use cb rather than pfile->cb.
6787 (main): No need to check for a buffer. Use cpp_errors.
6788 (printer_init): Don't set no_line_dirs.
6789 (maybe_print_line): Use options not no_line_dirs.
6790 (cb_file_change): Don't call print_line if -P.
6792 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6794 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6796 * c-parse.in (finish_parse): Use cpp_errors.
6797 (__yylex): Use return value of cpp_pop_buffer.
6798 * cp/lex.c (finish_parse): Use cpp_errors.
6799 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6801 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6803 * README.AVR: URLs corrected.
6805 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6807 * c-decl.c (start_function): Don't warn if old prototype is builtin
6808 that's not in C's namespace.
6809 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6810 (_bb): Add prototype for ctime.
6811 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6813 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6815 * i386.c (ix86_fp_comparison_arithmetics_cost,
6816 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6817 ix86_fp_comparison_cost): New functions.
6818 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6819 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6820 two-branch sequences; make static.
6821 (ix86_use_fcomi_compare): Do decision according to the costs.
6822 (split_fp_branch): New.
6823 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6824 * i386-protos.h (ix86_expand_fp_compare): Remove
6825 (ix86_split_fp_branch): Declare.
6827 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6828 and ix86_comparison_operator.
6830 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6833 * i386.c (put_condition_code): Output properly the unordered/ordered
6834 compares in fp case.
6835 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6837 * tm.texi (REVERSE_CONDITION): Document.
6838 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6839 in -ffast-math mode.
6840 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6842 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6844 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6846 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6849 * config/sh/sh.c (mova_p): Fix test for mova_const.
6851 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6853 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6854 cpp_get_options rather than dereferencing pfile and using
6856 * scan-decls.c (scan_decls): Use return value of
6857 cpp_pop_buffer rather than CPP_BUFFER.
6859 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6861 * cppinit.c (cpp_handle_option): help_only is now part of the
6862 cpp_options structure.
6863 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6864 cpp_set_callbacks): New functions.
6865 * cpplib.h (cpp_callbacks): Break out as a named structure.
6866 (cpp_options): Move help_only here from cpp_reader.
6867 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6868 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6869 cpp_set_callbacks): New prototypes.
6870 * cppmain.c (main): Update for help_only.
6872 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6874 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6875 Also build and remove and install and uninstall c-tree.info and
6877 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6878 ($(srcdir)/cppinternals.info): New target.
6879 * c-tree.texi: Change file name used when makeinfo used without -o
6880 from ir.info to c-tree.info. Add info directory entry.
6881 * cppinternals.texi: Add info directory entry.
6882 * .cvsignore: Update.
6884 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6886 * c-typeck.c (store_init_value): Don't require constant initializer
6887 elements with -pedantic -std=c99.
6888 (digest_init): Change error about non-constant initializer elements
6890 (constructor_range_end): Remove.
6891 (constructor_incremental, designator_depth,
6892 designator_errorneous): New variables.
6893 (struct constructor_stack): Remove range_end, add incremental.
6894 (struct constructor_range_stack, constructor_range_stack): New.
6895 (struct initializer_stack): Add constructor_range_stack.
6896 (finish_init): Set it.
6897 (start_init): Likewise. require_constant_elements for non-static
6898 trees only if not flag_isoc99.
6899 (really_start_incremental_init): Remove constructor_range_end, add
6900 constructor_incremental.
6901 (pop_init_level): Likewise.
6902 (push_init_level): Likewise. If implicit and the subobject had some
6903 value set already, preinitialize the level with it.
6904 Warn about missing braces only if not pushing due to designators.
6905 (set_designator, push_range_stack): New functions.
6906 (set_init_label): Use them.
6907 (set_init_index): Likewise. Remove constructor_range_end.
6908 Error if designator index is outside of array bounds.
6909 (add_pending_init): Compare values of purpose index trees, not the
6910 trees themselves. Allow overwriting of already initialized element.
6911 Issue a warning if it had side-effects.
6912 (set_nonincremental_init, set_nonincremental_init_from_string): New
6914 (pending_init_member): Rename to...
6915 (find_init_member): ...this function. Call set_nonincremental_init
6916 if necessary. Compare values of purpose index trees, not the trees
6917 themselves. Return the actual value, not just non-zero if something
6919 (output_init_element): Remove checks for duplicates.
6920 If field has zero size, only check the initializer for correctness.
6921 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6922 if constructor_incremental is zero. Change error about initializers
6923 not computable at load time into pedwarn.
6924 (output_pending_init_elements): Compare bit positions, not
6925 FIELD_DECLs to take into account zero-sized fields.
6926 (process_init_element): Use constructor_range_stack to fill all
6927 ranges in the designator lists from current level up.
6928 * extend.texi: Update documentation for labeled elements.
6930 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6932 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6933 to function usage for arguments passed by reference. Optimize
6934 callee-copied arguments.
6935 * regmove.c (replace_in_call_usage): New function.
6936 (fixup_match_1): Call it.
6937 * cse.c (cse_insn): Canonicalize registers in function usage.
6938 * reload1.c (replace_pseudos_in_call_usage): New function.
6941 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6944 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6946 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6949 2001-01-12 DJ Delorie <dj@redhat.com>
6951 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6952 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6955 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6957 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6958 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6959 -std options alongside references to -ansi. Update some
6960 documentation for C99.
6961 * cpp.1: Regenerate.
6963 2001-01-12 Andreas Jaeger <aj@suse.de>
6965 * haifa-sched.c (restore_line_notes): Remove argument block B
6967 * sched-ebb.c (schedule_ebb): Change caller.
6968 * sched-rgn.c (schedule_region): Likewise.
6969 * sched-int.h (restore_line_notes): Adjust prototype.
6971 * loop.h: Remove wrong declaration of doloop_condition_get.
6973 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6975 * extend.texi: Move C++-extension-related node from the C section
6976 into the C++ section.
6978 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6980 * extend.texi: Refer to an array of pointers to functions instead
6981 of one of functions.
6983 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6984 Jan Hubicka <jh@suse.cz>
6986 * combine.c (reversed_comparison): Fix typo in last patch.
6988 (combine_reversed_comparison_code): Make static to follow
6989 prototype declaration.
6991 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6993 * install.texi: Remove misplaced duplicate entry.
6995 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6997 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6999 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7001 * final.c: (leaf_function_p): Fix typo.
7003 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7005 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7006 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7008 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7009 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7010 mmap_anon, and valloc is available.
7011 * ggc-page.c: Restructure ifdef logic to match new autoconf
7012 spec. Don't throw away the test page in init_ggc.
7014 * configure, config.in: Regenerate.
7016 2001-01-12 Michael Hayes <mhayes@redhat.com>
7018 * loop.h (total_biv_increment): Constify iv_class pointer.
7019 (struct induction): Replace `mem_mode' with `mem' rtx.
7020 * unroll.c (total_biv_increment): Constify iv_class pointer.
7021 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7022 (find_mem_givs, combine_givs_p): Likewise.
7023 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7025 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7027 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7029 (__gthread_getspecific): Ditto.
7031 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7033 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7034 put_condition_code): Convert fp comparison codes to integer
7036 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7039 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7040 * i386-protos.h (no_comparison_operator): Kill.
7042 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7044 * combine.c (REVERSIBLE_CC_MODE): Remove.
7045 (reversible_comparison_p): Remove.
7046 (combine_reversed_comparison_code): New.
7047 (reversed_comparison): New.
7048 (combine_simplify_rtx): Use
7049 combine_reversed_comparison_code/reversed_comparison instead
7050 of reversible_comparison_p.
7051 (simplify_if_then_else): Likewise.
7052 (simplify_set): Likewise.
7053 (simplify_logical): Likewise.
7054 (if_then_else_cond): Likewise.
7055 (known_cond): Likewise.
7056 (simplify_comparison): Likewise.
7058 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7060 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7061 sizeof (int) is larger than sizeof(__word__).
7063 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7065 * cppinit.c (do_includes): Fix typo.
7067 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7069 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7070 in S_REGS does not occur because not all sources are possible
7071 when a S_REGS is a destination (sometimes needs a clobber).
7072 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7073 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7074 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7075 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7076 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7077 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7078 (lshrdi_const1, lshrsi3_const16): Likewise.
7079 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7080 (*movhi_68hc12, *movqi_68hc12): Likewise.
7081 (movstrictqi): Make sure reloading in D_REGS as a destination
7084 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7086 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7088 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7090 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7091 -D, -U and -A, and don't initialize the builtins.
7092 (do_includes): Error if -include or -imacros with -fpreprocessed.
7093 * cppmain.c (cb_define, cb_undef): Unconditionally process
7095 * tradcpp.c (main): Fix typo.
7097 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7099 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7100 (read_name_map): Use IS_ABSOLUTE_PATH.
7101 * tradcpp.c (get_filename): Likewise.
7103 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7105 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7106 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7107 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7108 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7109 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7110 (cmphi_z_used): Don't use '@' for the output.
7111 (tstqi_z_used): Likewise.
7112 (cmpqi_z_used): Likewise.
7113 (one_cmplsi2): Likewise.
7115 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7117 * config/sh/sh.c (barrier_align): Recognize branch around far
7118 branch and redundant insn.
7120 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7122 * invoke.texi: Restore documentation of the drivers' switches -MD
7125 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7127 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7129 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7130 check-objc//%): Support parallel testing of multilibs.
7131 (TESTSUITEDIR): Set to testsuite by default, but override for
7133 (check-gcc, check-g++, check-g77, check-objc): Enter
7136 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7138 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7139 * sched-deps.c (deps_may_trap_p): Likewise.
7140 * basic-block.h: Remove a comment.
7141 * flow.c (PROP_POSTRELOAD): Remove.
7142 (update_life_info): Don't add it to prop_flags.
7143 (mark_set_1): Lose the code that was enabled by it.
7145 2001-01-11 Michael Hayes <mhayes@redhat.com>
7147 * flow.c (flow_call_edges_add): New.
7148 * basic_block.h (flow_call_edges_add): New.
7150 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7152 * reload1.c (move2add_note_store): Update reg_set_luid even if
7153 base reg remains the same.
7155 2001-01-10 Nick Clifton <nickc@redhat.com>
7157 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7158 machine_function structure to zero.
7159 Add prototypes for machine_status functions.
7161 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7163 * c-common.h (CTI_VOID_LIST): Remove.
7164 (void_list_node): Likewise.
7165 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7166 (void_list_node): New macro.
7167 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7168 * config/i386/i386.c (ix86_init_builtins): Likewise.
7169 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7171 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7173 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7174 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7176 * tradcpp.c: Include mkdeps.h.
7177 (deps, print_deps_phony_targets, deps_append, output_deps,
7178 init_dependency_output, output_deps): New.
7179 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7180 deps_output): Delete.
7181 (print_deps_missing_files): Rename deps_missing_files.
7182 (inhibit_output): Make global.
7183 (main): Delete inhibit_output, deps_stream, deps_target.
7184 Use mkdeps functionality in the same way as cpplib. Remove
7185 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7186 -M and -MM. Remove old handling of deps via deps_out, and
7187 old reading of environment variables.
7188 (get_filename): Update to use deps_add_dep.
7190 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7192 * output.h (make_function_rtl): Remove prototype.
7193 (make_decl_rtl): Likewise.
7194 * varasm.c (make_function_rtl): Remove.
7195 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7196 than from a third parameter.
7197 * tree.h (make_decl_rtl): Remove last parameter.
7198 * c-decl.c (builtin_function): Remove last argument in call to
7199 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7200 (start_function): Likewise.
7201 * except.c (call_get_eh_context): Likewise.
7202 * expr.c (emit_block_move): Likewise.
7203 (clear_storage): Likewise.
7204 * profile.c (output_func_start_profiler): Likewise.
7205 * toplev.c (rest_of_decl_compilation): Likewise.
7206 * objc/objc-act.c (create_builtin_decl): Likewise.
7207 (synth_module_prologue): Likewise.
7208 (generate_static_reference): Likewise.
7209 (build_selector_reference_decl): Likewise.
7210 (build_class_reference_decl): Likewise.
7211 (build_objc_string_decl): Likewise.
7212 (build_protocol_reference): Likewise.
7214 2001-01-10 Richard Henderson <rth@redhat.com>
7216 * hwint.h: Revert yesterday's change.
7218 2001-01-10 Nick Clifton <nickc@redhat.com>
7220 * function.h (save_machine_status): Delete.
7221 (restore_machine_status): Delete.
7222 Amend comment describing {init|mark|free}_machine_status.
7224 * function.c (save_machine_status): Delete.
7225 (restore_machine_status): Delete.
7226 Amend comment describing {init|mark|free}_machine_status.
7227 (push_function_context_to): Remove invocation of
7228 save_machine_status.
7229 (pop_function_context_from): Remove invocation of
7230 restore_machine_status.
7232 * emit-rtl.c (init_emit_once): Amend comment describing
7233 {init|mark|free}_machine_status.
7235 * tm.texi (Per-Function Data): New node. Describe the
7236 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7239 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7241 * cppinit.c (OPT_g): Remove.
7242 (cpp_handle_option): Update for removed -g3.
7243 (print_help): Update.
7244 * cpplib.h (struct cpp_options): Remove debug_output.
7245 * cppmain.c (setup_callbacks, cb_define): Update.
7246 * gcc.c (cpp_options): Translate -g3 to -dD.
7248 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7250 * config/i960/i960.md: Change modifier to + on the zero_extract
7251 pattern after the (rotate -2 reg) canonicalization pattern.
7253 2001-01-10 Richard Henderson <rth@redhat.com>
7255 * config/alpha/alpha.c (alpha_free_machine_status): New.
7256 (override_options): Install it.
7257 (alpha_mark_machine_status): Verify machine non-null.
7258 * config/i386/i386.c (ix86_free_machine_status): New.
7259 (override_options): Install it.
7260 (ix86_init_machine_status): Use xcalloc.
7261 (ix86_mark_machine_status): Verify machine non-null.
7262 * config/ia64/ia64.c (ia64_free_machine_status): New.
7263 (ia64_override_options): Install it.
7264 (ia64_mark_machine_status): Verify machine non-null.
7266 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7268 * function.c (instantiate_virtual_regs): Instantiate virtual
7269 registers found in CALL_INSN_FUNCTION_USAGE.
7271 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7273 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7274 equivalent to -ansi in disabling -Di386.
7276 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7278 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7280 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7282 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7284 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7286 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7288 * invoke.texi: Document that -fcond-mismatch isn't supported for
7291 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7293 * gcc.texi: Define macro gcctabopt.
7294 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7295 @command, @env and @option in some places where appropriate. Use
7296 @gcctabopt where appropriate. Put URLs and email addresses inside
7299 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7301 * gcc.c (cpp_options): Set MD file name from output
7302 filename, if specified.
7303 (suffix_subst): New static variable.
7304 (do_spec): Clear it.
7305 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7307 (give_switch): Handle suffix_subst.
7309 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7311 * invoke.texi: Fix another typo.
7313 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7315 * invoke.texi: Fix typo.
7317 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7319 * c-lang.c (lang_hooks): Update.
7320 (lang_decode_option): Remove.
7321 (lang_init_options): Rename c_init_options.
7322 * toplev.c (main): Use lang_hooks for lang_init_options
7323 and lang_decode_option.
7324 * toplev.h (lang_hooks): Add 2 new hooks.
7325 * tree.h: Remove lang_init_options and lang_decode_option.
7326 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7327 * cp/decl2.c: Similarly.
7328 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7329 (lang_hooks): Update.
7330 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7332 (lang_init_options): Rename ffe_init_options.
7333 (lang_hooks): Update.
7334 (lang_decode_option): Remove.
7335 * java/lang.c (lang_init_options): Rename java_init_options.
7336 (lang_decode_option): Rename java_decode_option.
7337 (lang_hooks): Update.
7338 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7339 (lang_decode_option): Rename objc_decode_option.
7340 (lang_hooks): Update.
7342 2001-01-09 Nick Clifton <nickc@redhat.com>
7344 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7345 (d30v_return_addr_rtx): Delete.
7346 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7347 cfun->machine structure.
7348 (struct machine_function): Move to d30v.h
7349 (d30v_save_machine_status): Delete.
7350 (d30v_restore_machine_status): Delete.
7351 (d30v_init_machine_status): New Function.
7352 (d30v_mark_machine_status): New Function.
7353 (d30v_free_machine_status): New Function.
7354 (d30v_init_expanders): Use new functions.
7355 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7356 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7357 d30v_return_addr_rtx.
7359 * config/d30v/d30v.h (struct_machine): Move here.
7360 Add eh_epilogue_sp_ofs field.
7362 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7363 field in cfun->machine structure.
7365 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7367 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7368 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7369 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7371 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7373 * objc/lang-options.h: Remove bogus reference to
7376 2001-01-09 Kazu Hirata <kazu@hxi.com>
7378 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7381 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7383 * reload.c (find_reloads_address): Check for eliminable registers
7384 when substituting a constant expression for a pseudo.
7386 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7388 * c-common.c (enum format_type): Add format_type_error.
7389 (decode_format_type): New function.
7390 (decl_attributes): Use it.
7391 (format_kind_info): Adjust comment.
7393 2001-01-09 David O'Brien <obrien@BSDi.com>
7395 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7396 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7398 * config/i386/gnu.h: Don't include required platform specific .h files,
7399 tm.h will do it instead.
7400 * config/i386/i386elf.h: Likewise.
7401 * config/i386/linux.h: Likewise.
7402 * config/i386/moss.h: Likewise.
7403 * config/mips/gnu.h: Likewise.
7405 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7407 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7408 (rs6000-ibm-aix3.[01]*): Likewise.
7409 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7410 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7411 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7412 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7413 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7414 (powerpc-*-eabiaix*): Likewise.
7415 (powerpc-*-eabisim*): Likewise.
7416 (powerpc-*-elf*): Likewise.
7417 (powerpc-*-eabi*): Likewise.
7418 (powerpc-*-rtems*): Likewise.
7419 (powerpc-*-linux*libc1): Likewise.
7420 (powerpc-*-linux*): Likewise.
7421 (powerpc-wrs-vxworks*): Likewise.
7422 (powerpcle-wrs-vxworks*): Likewise.
7423 (powerpcle-*-sysv*): Likewise.
7424 (powerpcle-*-elf*): Likewise.
7425 (powerpcle-*-eabisim*): Likewise.
7426 (powerpcle-*-eabi*): Likewise.
7427 (powerpcle-*-solaris2*): Likewise.
7428 * config/rs6000/aix31.h: Delete includes.
7429 * config/rs6000/aix3newas.h: Likewise.
7430 * config/rs6000/aix41.h: Likewise.
7431 * config/rs6000/aix43.h: Likewise.
7432 * config/rs6000/beos.h: Likewise.
7433 * config/rs6000/rtems.h: Likewise.
7434 * config/rs6000/sysv4.h: Likewise.
7436 2001-01-09 Kazu Hirata <kazu@hxi.com>
7438 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7439 Change an argument mode of machine_mode to shift_mode of
7440 shift_mode. Remove an extra error check.
7441 (emit_a_shift): Adopt to the new calling prototype of
7443 (function_prologue): Fix code for a monitor
7444 function. Support H8/S.
7445 (function_epilogue): Do not output pop for a monitor function.
7447 2001-01-09 Nick Clifton <nickc@redhat.com>
7449 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7450 (setup_incoming_varargs): Use sysv_varargs_p field of the
7451 cfun->machine structure.
7452 (struct machine_function): Move to rs6000.h
7453 (rs6000_save_machine_status): Delete.
7454 (rs6000_restore_machine_status): Delete.
7455 (rs6000_init_machine_status): New Function.
7456 (rs6000_free_machine_status): New Function.
7457 (rs6000_init_expanders): Use new functions.
7459 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7461 (struct machine_function): Move here.
7463 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7464 sysv_varargs_p field of the cfun->machine structure.
7466 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7468 (rs6000_restore_machine_status): Remove prototype.
7470 2001-01-09 Richard Henderson <rth@redhat.com>
7472 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7473 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7474 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7475 (sched_analyze_2, sched_analyze_insn): Likewise.
7476 (sched_analyze, init_deps): Likewise.
7477 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7478 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7479 (compute_block_backward_dependences): Update propagate_deps call.
7481 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7483 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7485 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7487 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7488 (cpp_handle_option): Handle them.
7489 (cpp_post_options): Ensure one of -M or -MM is specified with
7490 any other -M? option.
7491 (init_dependency_output): Suppress output with -MG.
7493 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7496 * invoke.texi: Update.
7498 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7500 * sh.md (reload_outsf): Generate recognizable patterns for
7503 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7505 * c-lang.c (lang_hooks): Update.
7506 (lang_init): Rename c_init.
7507 (lang_finish): Remove.
7508 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7510 * toplev.h (lang_hooks): Add init () and finish ().
7511 * tree.h (lang_init, lang_finish): Remove.
7512 * cp/tree.h (lang_init, lang_finish): Remove.
7513 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7514 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7516 (lang_init, lang_finish): Remove.
7517 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7518 (lang_hooks): Update.
7519 * java/lang.c (lang_init): Rename java_init.
7520 (lang_finish): Remove.
7521 (lang_hooks): Update.
7522 * objc/objc-act.c (lang_init): Rename objc_init.
7523 (lang_finish): Remove.
7524 (lang_hoooks): Update.
7526 20001-01-09 Graham Stott <grahams@redhat.com>
7528 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7529 after `ptr` is initialised.
7531 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7533 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7534 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7535 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7536 stack adjusts, instead of r3.
7538 2001-01-09 Michael Hayes <mhayes@redhat.com>
7540 * flow.c (flow_loop_scan): Break out of ...
7541 (flow_loops_find) ... here.
7542 * basic-block.h (flow_loop_scan): New.
7543 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7544 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7546 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7548 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7550 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7551 realloc()ing macro_buffer.
7553 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7554 if it's wider than long and the target's long is wider than the
7557 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7559 Remove support for using UWIN as a host machine.
7560 * configure.in: Issue an error message.
7561 * configure: Regenerated.
7562 * config.gcc: Remove xm_* UWIN configury.
7563 * config/i386/xm-uwin.h: Remove.
7565 2001-01-08 Nick Clifton <nickc@redhat.com>
7567 * config/v850/v850.c (ra_rtx): Delete.
7568 (v850_save_machine_status): Delete.
7569 (v850_restore_machine_status): Delete.
7570 (v850_init_machine_status): New function.
7571 (v850_mark_machine_status): New function.
7572 (v850_free_machine_status): New function.
7573 (v850_return_addr): Use ra_rtx field in machine structure.
7574 (v850_init_expanders): Use new functions.
7576 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7577 * config/v850/v850.c: Change arguments to v850_output+* functions
7578 to take a const char *, to avoid compile time warning.
7579 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7580 (USER_LABEL_PREFIX): Redefine.
7582 2000-01-08 Jim Wilson <wilson@redhat.com>
7584 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7585 1 to unsigned HOST_WIDE_INT before left shift.
7587 2001-01-08 Nick Clifton <nickc@redhat.com>
7589 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7590 the machine structure has been allocated.
7591 (arm_free_machine_status): New function: Free the machine
7592 specific function structure.
7594 2001-01-08 Richard Henderson <rth@redhat.com>
7596 * jump.c (simplejump_p): Revert last change.
7598 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7600 * cppinit.c (init): Rename init_library.
7601 (cpp_create_reader): Update.
7602 * gcc.c (cpp_options): If -o given, use it as the target of
7605 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7607 * arm.c (arm_arch5e): New variable.
7608 (all_cores): XScale is a 5TE device.
7609 (arm_override_options): Set arm_arch5e.
7610 (arm_init_builtins): __builtin_prefetch is in arch5e.
7611 * arm.h (arm_arch5e): Declare it.
7613 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7615 * arm.md (define_constants): Add defines for UNSPEC and
7616 UNSPEC_VOLATILE insns. Update all users.
7617 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7618 * arm.c (multi_register_push, note_invalid_constants)
7619 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7620 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7621 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7623 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7625 * jump.c (jump_optimize_1): Use reversed_comparison_code
7626 instead of can_reverse_comparison_p.
7627 (jump_back_p): Likewise.
7628 (invert_exp_1): Likewise.
7629 (thread_jumps): Likewise.
7630 * simplify-rtx.c (simplify_unary_operation): Likewise.
7631 (simplify_ternary_operation): Likewise.
7632 * cse.c (find_comparison_args): Convert to use
7633 can_reverse_comparison_p.
7634 (record_jump_equiv): Likewise.
7636 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7638 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7639 (EPILOGUE_USES): Define.
7640 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7641 automatically stack the LR if it isn't live.
7643 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7645 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7648 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7650 * ggc-page.c (max_alignment): New structure.
7651 (MAX_ALIGNMENT): New macro.
7652 (init_ggc): Use it to round up the sizes in the
7653 extra_order_size_table.
7655 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7657 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7660 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7662 * builtins.def (BUILT_IN_FPRINTF): New entry.
7664 * c-common.c (c_expand_builtin_fprintf): New function.
7665 (init_function_format_info): Handle __builtin_fprintf.
7666 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7667 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7669 * c-decl.c (duplicate_decls): Adjust comment.
7671 * extend.texi (fprintf): Document new builtin.
7673 2001-01-07 Richard Henderson <rth@redhat.com>
7675 * jump.c (simplejump_p): Recognize any single_set jump
7678 2001-01-07 Richard Henderson <rth@redhat.com>
7680 * configure.in (slibdir): Accept an --with-slibdir option.
7681 Use "test" not "[" in configure. Default to $(libdir).
7683 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7685 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7686 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7687 (SHLIB_LINK): Create links for the soname.
7688 * config/mips/t-iris6: Likewise.
7689 * config/sparc/t-slibgcc: Likewise.
7690 * config/sparc/t-slibgcc-sld: Likewise.
7692 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7694 * config/i386/i386.c (constant_call_address_operand): Accept
7695 (const (plus (symbol_ref) (const_int))).
7696 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7697 constant_call_address_operand.
7699 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7701 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7702 and LONG_LONG_TYPE_SIZE > 32.
7704 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7706 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7707 the previous change.
7709 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7711 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7713 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7714 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7715 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7718 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7720 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7722 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7724 * c-lang.c (c_post_options): Call cpp_post_options.
7725 * objc/objc-act.c (objc_post_options): Similarly.
7726 * cppmain.c (main): Similarly.
7727 * fix-header.c (read_scan_file): Similarly.
7728 * cppinit.c (cpp_start_read): Move option consistency checks
7729 to cpp_post_options. Don't call init_dependency_output.
7730 If needed, add default target and main file dependency.
7731 (OPT_MD, OPT_MMD): Remove.
7733 (cpp_handle_option): Update for OPT_* changes.
7734 (cpp_post_options): New.
7735 (init_dependency_output): Command line -MF overrides environment
7736 variables. Don't set default target etc. Suppress output
7737 if dependencies are going to stdout.
7738 (print_help): Update.
7739 * cpplib.h (cpp_post_options): New.
7740 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7742 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7744 * jump.c (comparison_dominates_p): Support unordered compares.
7746 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7748 * simplify-rtx.c (simplify_relational_operation): Always simplify
7749 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7752 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7754 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7755 (nonzero_bits): Likewise.
7756 (simplify_comparison): Likewise.
7757 (num_sign_bit_copies): Likewise; return more sane value depending
7758 on STORE_FLAG_VALUE.
7759 (known_cond): Do not assume EQ to be always true for equivalent
7762 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7764 * cse.c (fold_rtx): Handle unordered comparisons.
7766 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7768 * rtlanal.c (set_of_1): New static function.
7769 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7770 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7771 reg_set_last_last_regno): Remove.
7772 (set_of): New global function.
7773 (set_of_data): New structure.
7774 (reg_set_p, reg_set_last): Revamp for set_of.
7775 * rtl.h (set_of): New.
7777 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7779 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7780 * extend.texi: Document _Exit builtin.
7782 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7784 * (initialize, initialize_builtins,
7785 initialize_dependency_output, initialize_standard_includes):
7786 Rename s/initialize/init. Update.
7787 (init_dependency_output): Move to after
7788 cpp_handle_options, the correct location temporally at least.
7789 (opt_comp): Move next to init (), its caller. Fix prototype.
7790 (init): Make "initialized" local scope.
7791 (cpp_create_reader): Always call init ().
7792 (cpp_start_read): Update.
7793 (output_deps): New function, broken out of cpp_finish.
7794 (cpp_finish): Break out output_deps.
7796 2001-01-07 Richard Henderson <rth@redhat.com>
7798 * collect2.c (COFF specific stuff): Revert 12-06 patch
7799 to prototype system functions.
7801 2001-01-07 Michael Hayes <mhayes@redhat.com>
7803 * hard-reg-set.h: Add multiple include guard.
7804 * basic-block.h (struct loop): Add `sink' field.
7805 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7806 (emit_iv_add_mult): Delete.
7807 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7808 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7809 (unroll_loop): Remove end_insert_before argument.
7810 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7811 (maybe_eliminate_biv_1): Likewise.
7812 (emit_iv_add_mult): Delete.
7813 (gen_add_mult, loop_regs_update): New.
7814 (loop_insn_emit_after, loop_insn_emit_before): New.
7815 (loop_insn_sink, loop_insn_sink_or_swim): New.
7816 (emit_iv_add_mult): Delete.
7817 (scan_loop): Set loop->sink.
7818 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7819 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7820 (maybe_eliminate_biv_1): Likewise.
7821 (maybe_eliminate_biv_1): Add basic block argument.
7822 * unroll.c (unroll_loop): Remove end_insert_before argument.
7823 (find_splittable_regs): Likewise.
7824 (find_splittable_regs): Use loop_insn_sink and its ilk.
7825 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7827 2001-01-07 Michael Hayes <mhayes@redhat.com>
7829 * loop.h (loop_insn_hoist): New prototype.
7830 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7831 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7832 (check_dbra_loop, load_mems): Likewise.
7833 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7834 (find_splittable_givs): Likewise.
7836 2001-01-07 Michael Hayes <mhayes@redhat.com>
7838 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7840 2001-01-07 Richard Henderson <rth@redhat.com>
7842 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7844 2001-01-07 Richard Henderson <rth@redhat.com>
7846 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7847 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7848 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7849 variant that handles a shared libgcc.
7850 (process_command): Always validate -{static,shared}-libgcc.
7851 (do_spec_1): New 'M' case.
7852 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7854 2001-01-07 Richard Henderson <rth@redhat.com>
7856 * Makefile.in (slibdir): New variable.
7857 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7858 (installdirs): Create slibdir.
7859 (install-libgcc, install-multilib): Defer to libgcc.mk.
7860 * configure.in (slibdir): Substitute.
7861 * mklibgcc.in (install): New target.
7863 * config/t-linux (SHLIB_LINK): Create links for the soname.
7864 (SHLIB_INSTALL): New.
7865 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7866 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7867 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7868 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7869 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7871 2001-01-07 Richard Henderson <rth@redhat.com>
7873 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7874 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7875 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7877 2001-01-07 Michael Hayes <mhayes@redhat.com>
7879 * loop.c (count_loop_regs_set): Delete.
7880 (load_mems_and_recount_loop_regs_set): Delete.
7881 (loop_regs_scan): Merge common code from count_loop_regs_set,
7882 scan_loop, and load_mems_and_recount_loop_regs_set.
7883 (scan_loop): Call load_mems directly and loop_regs_scan
7884 again if new registers created.
7886 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7888 * toplev.c (main): Call the front-end specific post_options
7889 hook if one is given.
7890 * toplev.h (struct_lang_hooks, lang_hooks): New.
7891 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7892 for the C front end.
7893 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7894 lang_hooks for the C++ front end.
7895 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7896 lang_hooks for the ObjC front end.
7897 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7898 * java/lang.c (lang_hooks): Hooks for the Java front end.
7900 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7902 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7903 for verbose DWARF[2] debugging.
7904 (cb_define, cb_undef): The new callbacks.
7905 * toplev.h (debug_define, debug_undef): Make const correct.
7906 * toplev.c (debug_define, debug_undef): Similarly. Do not
7907 perform the verbosity tests here anymore.
7909 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7911 * reload.c (subst_reloads): Take INSN argument. When
7912 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7913 * reload.h (subst_reloads): Adjust prototype.
7914 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7915 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7916 present in JUMP_INSNs and copy them to JUMP_LABEL.
7917 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7918 JUMP_INSNs and insns with REG_LABELs that are followed by
7919 JUMP_INSNs with the same REG_LABEL.
7920 * sched-rgn.c (is_cfg_nonregular): Likewise.
7921 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7923 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7925 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7927 2001-01-06 Richard Henderson <rth@redhat.com>
7929 * loop.c (scan_loop): Use xcalloc for the regs array.
7930 (load_mems_and_recount_loop_regs_set): Zero the new memory
7931 received from xrealloc.
7933 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7935 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7937 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7939 * integrate.c (copy_rtx_and_substitute): When copying
7940 an ignored return value, strip REG_FUNCTION_VALUE_P.
7942 2001-01-06 Michael Hayes <mhayes@redhat.com>
7944 * loop.c (debug_biv, debug_giv): New.
7945 (loop_biv_dump): Break out from ...
7946 (record_biv): ... here.
7947 (loop_giv_dump): Break out from ...
7948 (record_giv): ... here.
7949 (loop_bivs_check): Use print_simple_rtl.
7950 * unroll.c (loop_iterations): Use print_simple_rtl.
7952 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7954 * pa.md (return, return_internal): Modify patterns to prevent regrename
7955 mucking with the return pointer.
7957 2001-01-05 Richard Henderson <rth@redhat.com>
7959 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7961 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7963 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7964 version supplied by Matteo Frigo.
7966 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7968 * cpp.texi: Update for -MQ.
7969 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7970 (cpp_cleanup): Always free pfile->deps.
7971 (initialize_dependency_output): Don't create pfile->deps.
7972 (cpp_handle_option): Similarly.
7974 * gcc.c (cpp_options): Handle -MQ.
7975 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7976 * mkdeps.c (base_name): Remove.
7977 (deps_init): Don't allocate vector space until it's needed.
7978 (deps_free): Only free vectors if allocated.
7979 (deps_add_target, deps_add_dep): Update for initial allocation.
7980 (deps_add_default_target): Don't strip to the base_name.
7982 2001-01-05 DJ Delorie <dj@redhat.com>
7984 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7985 (INIT_EXPANDERS): Define.
7987 * config/v850/v850.c (struct machine_function): Define.
7988 (v850_save_machine_status): New function.
7989 (v850_restore_machine_status): New function.
7990 (v850_return_addr): New function.
7991 (v850_init_expanders): New function.
7993 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7994 and v850_init_expanders.
7996 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7998 * cpplib.h (struct cpp_reader): Add help_only field.
7999 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8000 (cpp_handle_option): Set pfile->help_only if we see -h,
8001 --help, -target-help, or --version. Print version string but
8002 do not set help_only if we see -v or -version. Make text
8003 printed by -v match that printed by (-)-version.
8005 * cppmain.c (main): Exit after option parsing if
8006 pfile->help_only is true.
8008 * toplev.c (independent_decode_option): Call print_version,
8009 then exit, if we see --version (but not -version).
8010 (print_version): Split lengthy message into two lines.
8012 2001-01-05 Nick Clifton <nickc@redhat.com>
8014 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8015 temporary string for initialisation before calling ggc_alloc_string.
8017 2001-01-06 Michael Hayes <mhayes@redhat.com>
8019 * rtl.h (print_simple_rtl): New.
8020 * print-rtl.c (print_simple_rtl): New.
8022 (print_rtx): Disable printing of flags and modes, etc.,
8023 if `flag_simple` nonzero.
8025 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8027 * function.c (fixup_var_refs): Use push_to_full_sequence where
8030 2001-01-05 Michael Meissner <meissner@redhat.com>
8032 * flags.h (flag_reorder_blocks): Add declaration.
8033 (flag_rename_block): Ditto.
8035 2001-01-05 DJ Delorie <dj@redhat.com>
8037 * function.c (reorder_blocks): Make sure the flags are all reset
8038 before using them to mark blocks, else a second invocation will
8039 corrupt the block chain.
8040 (reorder_blocks_0): New, resets the flags.
8042 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8044 * cse.c (find_comparison_args): Stop if the argument is known to
8047 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8049 * config/sh/sh.md (movdf): When splitting load into pair of
8050 registers, don't clobber the register used in the address too
8053 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8055 * varasm.c (mark_constant_pool): Improve initial comments.
8056 (mark_constants): Move marking of constants to mark_constant.
8057 (mark_constant): New function to recursively mark all constants
8058 referred to by a constant.
8060 2001-01-05 Catherine Moore <clm@redhat.com>
8062 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8064 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8066 * cp/lang-options.h: Bring comment in line with reality.
8067 * f/lang-options.h: Likewise.
8068 * java/lang-options.h: Likewise.
8069 * objc/lang-options.h: Likewise.
8070 * ch/lang-options.h: Likewise.
8071 * f/g77.texi: And update the manual.
8073 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8074 Denis Chertykov <denisc@overta.ru>
8076 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8077 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8078 * config/avr/avr.md (all peepholes that request a scratch register):
8079 Call it, FAIL the peephole if not safe (in interrupt functions).
8081 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8083 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8085 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8087 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8089 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8090 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8091 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8092 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8093 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8095 * extend.texi: Document these builtins.
8097 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8099 * c-common.c (lang_get_alias_set): Say we know nothing of
8100 VECTOR_TYPE aliasing.
8102 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8104 2001-01-05 Bruce Korb <bkorb@gnu.org>
8106 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8107 their x* equivalent versions for atexit-less systems
8108 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8109 systems (or any other system any more).
8111 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8113 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8114 output operands. Use arm_hard_register_operand for operand 4.
8115 (stmsi_postinc): Similarly.
8116 (ldmsi): Use arm_hard_register_operand for opernand 2.
8118 * arm.c (arm_hard_register_operand): New function.
8119 * arm-protos.h (arm_hard_register_operand): Prototype it.
8121 * arm.h (HARD_REGNO_RENAME_OK): Define.
8123 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8125 * simplify-rtx.c (cfc_args): add "unordered" field.
8126 (check_fold_consts): Set unordered field.
8127 (simplify_relational_operation): Simplify the unordered
8130 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8133 * emit-rtl.c (try_split): Fix code to mark labels.
8134 * jump.c (mark_jump_label): Make global.
8135 * rtl.h (mark_jump_label): Declare.
8137 * predict.c (estimate_probability): Handle unordred comparisons.
8139 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8141 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8142 * cppinit.c (initialize_dependency_output): Update.
8143 (cpp_finish): Output dummy targets for -MP.
8145 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8146 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8147 * gcc.c (cpp_options): Update to handle -MP.
8148 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8149 to quote only the default target.
8150 (deps_phony_targets): Insert a preceding newline. Rename from
8151 deps_dummy_targets for consistency.
8154 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8156 * calls.c (emit_library_call_value_1): Support
8157 INIT_CUMULATIVE_LIBCALL_ARGS.
8158 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8160 2001-01-04 Richard Henderson <rth@redhat.com>
8162 * c-decl.c (finish_struct): Detect flexible array members
8163 used in an inappropriate context.
8164 * c-typeck.c (really_start_incremental_init): Special case
8165 constructor_max_index for zero length arrays.
8166 (pop_init_level): Allow initialization of flexible array
8167 members. Deprecate initialization of zero length arrays.
8168 Don't issue missing initializer warning for flexible array
8169 members or zero length arrays.
8170 (process_init_element): Don't dereference null DECL_SIZE.
8171 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8172 Don't abort for empty constructors. Use size_binop
8173 (output_constructor): Add commentary regarding zero length
8174 array futures. Abort if we try to initialize an array of
8175 unspecified length with a non-empty constructor in the middle
8178 * extend.texi (Zero Length): Update and clarify documentation
8179 on static initialization.
8181 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8183 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8184 with more than 32767 words of local storage.
8186 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8188 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8189 for 'abs', 'labs', and 'fabs'.
8190 (c4x_expand_builtin): Likewise.
8191 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8193 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8195 * config/sh/sh.md (prget, prset): New insn types.
8196 (return delay slot): Dont' allow prset.
8197 (call, sfunc delay slot): Don't allow prget.
8198 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8199 for prset and prget.
8201 2001-01-05 Michael Hayes <mhayes@redhat.com>
8203 * loop.h (struct loop_reg): New.
8204 (struct loop_regs): Change to use array of `struct loop_reg'.
8205 * loop.c: Replace assortment of varrays with single regs array.
8206 (count_one_set): Delete may_not_move array argument
8207 and use regs array instead. All caller's changed.
8208 (count_loop_regs_set): Delete may_not_move and single_usage
8209 arguments and use regs array instead. All caller's changed.
8210 (find_single_use_in_loop): Replace usage array argument with pointer
8211 to regs structure. All caller's changed.
8212 (loop_optimize): Delete `moved_once' array.
8214 2001-01-05 Michael Hayes <mhayes@redhat.com>
8216 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8217 Use it instead of loop_info->has_call for scanning loop mems.
8218 (check_dbra_loop): Replace loop_info->has_call test with
8219 loop_info->has_nonconst_call.
8221 2000-01-04 Matthew Hiller <hiller@redhat.com>
8223 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8226 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8228 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8229 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8231 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8233 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8234 (flag_short_double, flag_short_wchar): Define.
8235 (c_common_nodes_and_builtins): Create many tree nodes shared
8236 between C and C++ here instead of in cp/decl.c and ...
8237 * c-decl.c (init_decl_processing): ... here.
8238 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8239 (flag_short_double, flag_short_wchar): Don't define.
8240 (record_builtin_type): New function.
8241 (build_void_list_node): New function.
8242 * c-common.h (flag_short_double, flag_short_wchar,
8243 record_builtin_type, build_void_list_node): Declare.
8245 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8247 * integrate.c (expand_inline_function): Don't put a virtual
8248 register into the reg map.
8250 * function.c (fixup_var_refs_1): If force_operand didn't put
8251 the address into the target, move it there.
8253 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8255 Special-case tree_decl/tree_list allocations.
8256 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8257 (OBJECT_SIZE): New macro.
8258 (NUM_EXTRA_ORDER): Likewise.
8259 (extra_order_size_table): New variable.
8260 (NUM_ORDERS): New macro.
8261 (objects_per_page_table): New variable.
8262 (object_size_table): New variable.
8263 (G.pages): Use NUM_ORDERS to bound the array.
8264 (G.page_tails): Likewise.
8265 (DIV_ROUND_UP): Remove.
8266 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8267 (alloc_page): Use OBJECT_SIZE.
8268 (size_lookup): Don't make it const.
8269 (ggc_alloc): Use OBJECT_SIZE.
8270 (ggc_set_mark): Likewise.
8271 (ggc_get_size): Likewise.
8272 (init_ggc): Set up the object_size_table, objects_per_page_table,
8273 and adjust size_lookup.
8274 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8275 (ggc_pop_context): Use NUM_ORDERS.
8276 (clear_marks): Likewise.
8277 (sweep_pages): Likewise.
8278 (poison_pages): Likewise.
8279 (ggc_print_statistics): Use OBJECT_SIZE.
8281 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8283 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8284 Only call array_size_for_constructor if last field and array type
8285 with no upper bound.
8287 2001-01-04 Philip Blundell <philb@gnu.org>
8289 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8290 from bit 31 downwards, if this requires no more insns.
8291 (count_insns_for_constant): New helper function for above.
8293 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8295 * gencodes.c (output_predicate_decls): Remove empty initializer.
8297 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8299 * tree.c (copy_node): Remove documentation about obstacks.
8300 (buidl1): Check that nobody tries to build 2-argument nodes this
8303 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8305 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8308 * gencodes.c (output_predicate_decls): Fill empty initializer
8311 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8313 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8314 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8316 (do_include): Handle missing headers like cpp0.
8317 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8318 paths with first include pathname. Don't strcat to uninitialized
8321 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8323 * regrename.c (regrename_optimize): Don't rename from frame pointer
8324 if frame_pointer_needed.
8325 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8326 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8327 (ia64_reorg): Use it instead of scheduling if ! optimize.
8328 (errata_emit_nops): Properly call asm_noperands.
8329 (ia64_sched_reorder): Finish cycle if we see an asm.
8330 (ia64_variable_issue): Clear scheduling state after asms.
8332 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8334 * cpp.texi: Update for -MT.
8335 * cppinit.c (initialize_dependency_output): Add a default
8336 target if none has been given already.
8337 (no_tgt, OPT_MT): New.
8338 (cpp_handle_option): Handle -MT. Update -M etc.
8339 * cpplib.h (struct cpp_options): Remove deps_target.
8340 * gcc.c (cpp_options): Handle -MT.
8341 * mkdeps.c (struct deps): Move from mkdeps.h.
8342 (deps_calc_target): Rename deps_add_default_target. Add a
8343 default target if none has been specified already.
8344 * mkdeps.h (struct deps): Move to mkdeps.c.
8345 (deps_calc_target): Rename deps_add_default_target.
8347 2000-01-03 Richard Henderson <rth@redhat.com>
8349 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8351 * c-typeck.c (push_init_level): Move checks for flexible array
8352 members and zero length arrays ...
8353 (pop_init_level): ... here. Silently discard empty initializations.
8355 * varasm.c (output_constructor): Update for sizeof change to
8358 * extend.texi (Zero Length): Clarify semantics.
8360 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8362 * configure.in (tm.h): Include isns-codes.h last.
8363 * configure: Rebuilt.
8365 2001-01-03 Richard Henderson <rth@redhat.com>
8367 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8368 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8370 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8372 * tradcpp.c (main): Make sure finclude() is called with a valid
8373 indepth value while handling -include.
8375 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8377 * gencodes.c (output_predicate_decls): New function.
8379 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8380 even if it is not the first time machmode.h is #included.
8381 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8382 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8383 * gcc.texi (Copyright): Added 2001.
8385 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8387 * c-common.c (c_common_lang_init): New function. Warn if format
8388 warning options which only have effects when used with -Wformat
8389 are used without -Wformat.
8390 * c-common.h (c_common_lang_init): Declare.
8391 * c-lang.c (lang_init): Call c_common_lang_init.
8392 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8394 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8396 * configure.in: Check for the mktemp command.
8397 * configure: Regenerate.
8398 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8399 $TEMP. Create temporary files with mktemp, if available at
8400 configure time; otherwise use set -C. Remove temporary files
8403 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8405 * configure.in: Require at least texinfo 4.0. Check for whether
8406 Pod::Man is sufficiently recent to regenerate GCC manpages.
8407 * configure: Regenerate.
8408 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8410 (GENERATED_MANPAGES): Define.
8411 (generated-manpages): New target. Depend on cpp.1 as well as
8413 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8414 configure to generated-manpages or empty) rather than on the
8415 manpages directly. Remove execute permission from installed
8416 gcov.1 as well as cpp.1.
8417 * cpp.1, gcov.1: Regenerate.
8419 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8421 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8422 tree_low_cst. Allow using cmpstrsi in more cases.
8424 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8426 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8429 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8431 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8432 * Makefile.in (HOST_CFLAGS): Mention build-make.
8434 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8436 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8439 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8441 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8444 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8447 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8448 reg_base_value and reg_known_value arrays.
8449 (init_alias_analysis): Add more cases to detect known values.
8450 * sched-deps.c (deps_may_trap_p): New function.
8451 (sched_analyze_2): Use it.
8453 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8455 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8456 don't discard an ASHIFTRT if we're shifting in a wider mode.
8458 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8460 * toplev.c (rest_of_compilation): Don't print basic block information
8461 when CFG isn't up to date.
8463 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8465 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8466 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8467 (UNALIGNED_SHORT_ASM_OP): Define.
8468 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8470 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8472 * fold-const.c (fold_convert): Fix typo.
8474 2001-01-02 Richard Henderson <rth@redhat.com>
8476 * c-common.h (ASM_INPUT_P): New.
8477 * c-parse.in (asm): Set it when needed.
8478 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8479 existance of an operand.
8481 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8483 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8484 (dwarf2out_frame_debug_expr): Likewise.
8485 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8487 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8489 * i386.c (ix86_split_to_parts): Return number of part required;
8491 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8493 (ix86_split_long_move): Use number of part returned
8494 by ix86_split_to_parts
8495 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8497 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8498 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8499 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8500 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8501 (ALIGN_MODE_128): Add TFmode.
8502 (IS_STACK_MODE): Likewise.
8503 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8504 (HARD_REGNO_OK): Support TFmodes.
8505 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8506 * i386.md (scheduler definitions): Use memory operand to determine
8507 fst/fld instructions; use mode attribute to determine real mode of
8509 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8510 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8512 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8514 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8516 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8518 * expr.c (store_constructor_field): Update ALIGN before calling
8521 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8523 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8526 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8528 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8531 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8533 * c-decl.c (start_function): Don't warn on third parameter to main.
8535 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8537 * tsystem.h: Define HAVE_DECL_GETOPT.
8539 2001-01-02 Philip Blundell <pb@futuretv.com>
8541 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8544 2001-01-02 Richard Henderson <rth@redhat.com>
8546 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8548 2001-01-02 Andreas Jaeger <aj@suse.de>
8550 * c-decl.c (c_decode_option): Remove support of
8553 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8554 (W_options): Add -Wmissing-noreturn here.
8556 * flow.c: Define lang_missing_noreturn_ok_p.
8557 (check_function_return_warnings): Use it.
8559 * c-common.h: Declare lang_missing_noreturn_ok_p.
8561 * c-lang.c (c_missing_noreturn_ok_p): New function.
8562 (lang_init): Set lang_missing_noreturn_ok_p.
8564 * invoke.texi (Warning Options): Document this.
8566 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8568 * extend.texi (C++ Extensions): New node for C++ attributes;
8569 describe init_priority and com_interface.
8570 * invoke.texi: Remove -finit-priority as it now has zero effect.
8571 * install.texi: Fix xref syntax.
8572 * md.texi: Likewise.
8574 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8576 * config.gcc (sparc64-wrs-vxworks*): New case.
8577 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8579 * config/sparc/sparc.c (sparc_override_options): Do support different
8580 pointer and architecture size.
8581 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8582 (POINTERS_EXTEND_UNSIGNED): Define.
8583 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8584 (FUNCTION_MODE): Define to be Pmode.
8585 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8587 * function.c (expand_function_end): Properly handle DECL_RESULT
8588 and copy when ptr_mode != Pmode.
8589 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8591 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8593 * c-common.c (c_common_nodes_and_builtins): Set prototype
8594 parameters for __builtin_fputs, __builtin_fputc and
8595 __builtin_fwrite. Don't declare plain fputc as a builtin.
8597 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8599 * loop.c (add_label_notes): Increment the label usage count when
8600 a note is added to an insn which refers to a CODE_LABEL.
8601 * gcse.c (add_label_notes): Likewise.
8603 2001-01-01 Andreas Jaeger <aj@suse.de>
8605 * loop.c (scan_loop): Use xmalloc to allocate movables.
8607 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8609 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8610 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8611 * reload1.c (REGISTER_MOVE_COST): Likewise.
8612 * regclass.c (REGISTER_MOVE_COST): Likewise.
8613 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8614 dimension. Adjust all users.
8615 (init_reg_sets_1): Iterate on all modes.
8616 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8617 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8618 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8619 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8620 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8621 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8622 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8623 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8624 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8625 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8626 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8627 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8628 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8629 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8630 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8631 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8632 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8633 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8634 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8635 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8636 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8637 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8638 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8639 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8640 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8641 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8642 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8644 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8646 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8647 arg VARIES_P. Call it with extra arg.
8648 (true_dependence): Likewise.
8649 * rtl.h (rtx_addr_can_trap_p): Declare.
8650 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8652 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8653 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8654 pic offset table register if it's zero. All callers changed.
8655 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8657 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8659 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8660 STRING_POOL_ADDRESS_P.
8662 * config/sparc/sparc.c (input_operand): Properly test for short op.
8664 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8665 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8666 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8667 * config/sparc/elf.h: No longer include sol2.h.
8668 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8669 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8671 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8673 2001-01-01 Michael Hayes <mhayes@redhat.com>
8675 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8676 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8677 (record_initial): Likewise.
8678 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8679 (remap_split_bivs): Likewise.
8681 2001-01-01 Michael Hayes <mhayes@redhat.com>
8683 * loop.c (loop_ivs_free): New function.
8684 (strength_reduce): Break out from...
8686 2001-01-01 Michael Hayes <mhayes@redhat.com>
8688 * loop.h (struct iv): New.
8689 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8690 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8691 'reg_biv_class' fields with 'regs' and 'n_regs'.
8692 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8693 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8694 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8696 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8698 * resource.c (mark_referenced_resources): Abort() before
8699 attempting to mark a pseudo register.
8700 (mark_set_resources): Likewise.
8702 2001-01-01 Michael Hayes <mhayes@redhat.com>
8704 * loop.h (REG_IV_CLASS): New accessor macro.
8705 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8706 * unroll.c (REG_IV_CLASS): Likewise.
8708 See ChangeLog.4 for earlier changes.