1 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3 * recog.c (general_operand, immediate_operand,
4 nonmemory_operand): Require CONST_INTs to be sign-extended
5 values for their modes.
7 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
9 * expmed.c (store_bit_field): Truncate CONST_INTs.
10 (expand_mult_highpart, expand_divmod): Likewise.
11 * expr.c (convert_modes, store_field): Likewise.
12 * integrate.c (expand_inline_function): Use promote_mode() to
13 determine whether to convert_modes() an argument as signed
15 * optabs.c (expand_binop): Get CONST_INT operands
16 sign-extended for their appropriate modes.
17 * stmt.c (emit_case_nodes): Convert node values to the
19 (expand_end_case): Convert minval and range to the appropriate
21 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
22 the iteration variable.
23 * varasm.c (immed_double_const): Don't require words to be
24 narrower than host wide ints to properly sign-extend
27 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
29 * sh.md (builtin_setjmp_receiver): New expander.
31 2001-04-12 David Edelsohn <dje@watson.ibm.com>
33 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
34 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
35 for generating CONST_INT and CONST_DOUBLE.
37 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
39 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
40 already sign-extended.
41 (rs6000_emit_prologue): Make register iterator signed.
42 (rs6000_emit_epilogue): Likewise.
43 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
45 (movsf split, movdf split): Sign-extend CONST_INTs.
46 (movdi splits): Likewise.
48 2001-04-12 Kelley Cook <kelley.cook@home.com>
50 * config-lang.in (lang_dirs): Add in zlib.
52 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
54 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
55 operands that make it to RTL.
57 2001-04-11 Stan Shebs <shebs@apple.com>
59 Add Darwin (Mac OS X kernel) native support.
60 * config.gcc (powerpc-*-darwin*): Add native bits.
61 * config/darwin.c: New file, generic Darwin support functions.
62 * config/darwin.h: New file, generic Darwin definitions.
63 * config/darwin-protos.h: New file, generic Darwin prototypes.
64 * rs6000/darwin.h: New file, Darwin for PowerPC.
65 * rs6000/t-darwin: New file, Darwin makefile fragment.
66 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
67 (TARGET_MACHO): Ditto.
68 (rs6000_abi): Add ABI_DARWIN.
69 (RS6000_REG_SAVE): Add ABI_DARWIN case.
70 (RS6000_SAVE_AREA): Ditto.
71 (FP_ARG_MAX_REG): Ditto.
72 (RETURN_ADDRESS_OFFSET): Ditto.
73 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
75 (rs6000_emit_move): Add ABI_DARWIN cases.
76 (print_operand): Ditto.
77 (first_reg_to_save): Ditto.
78 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
79 (debug_stack_info): Ditto.
80 (rs6000_emit_prologue): Ditto.
81 (rs6000_emit_epilogue): Ditto.
82 (output_profiler_hook): Ditto.
83 (output_function_profiler): Ditto.
84 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
85 (output_mi_thunk): Add TARGET_MACHO case.
86 (add_compiler_stub): Ditto.
87 (output_compiler_stub): Ditto.
88 (no_previous_def): Ditto.
90 (machopic_output_stub): Ditto.
91 (rs6000_machopic_legitimize_pic_address): Ditto.
93 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
97 (load_macho_picbase): Ditto.
98 (call): Add TARGET_MACHO case to modify function.
100 (call_nonlocal_sysv): Add ABI_DARWIN case.
101 (call_value_nonlocal_sysv): Ditto.
102 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
104 (machopic_output_stub): Ditto.
105 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
107 2001-04-11 Mark Mitchell <mark@codesourcery.com>
109 * dwarf2out.c (modified_type_die): Don't create new types here.
110 * tree.h (get_qualified_type): New function.
111 (build_qualified_type): Adjust comment.
112 * tree.c (get_qualified_type): New function.
113 (build_qualified_type): Use it.
115 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
117 * cpp.texi (-Wtraditional): Update description.
119 * invoke.texi (-Wtraditional): Likewise.
121 2001-04-11 Jim Wilson <wilson@redhat.com>
123 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
124 requires more than 64 bits of alignment.
126 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
128 * cpplib.c (do_line): Sanity check iff enable checking.
130 2001-04-11 Richard Henderson <rth@redhat.com>
132 * Makefile.in (insn-recog.o): Depend on toplev.h.
133 (insn-emit.o, doloop.o): Likewise.
134 * genrecog.c, genemit.c: Include toplev.h in generated file.
135 * doloop.c: Include toplev.h.
137 2001-04-11 Mark Mitchell <mark@codesourcery.com>
139 * Makefile.in (gcse.o): Depend on params.h.
140 * gcse.c: Include params.h.
141 (gcse_main): Don't do GCSE if doing so will take inordinate
143 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
144 * params.h (MAX_GCSE_MEMORY): New macro.
146 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
148 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
150 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
152 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
154 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
156 * real.h (ereal_atof, real_value_truncate, target_isnan,
157 target_isinf, target_negative, assemble_real, debug_real): Delete
158 redundant prototypes.
160 * Makefile.in (ifcvt.o): Depend on toplev.h.
162 * c-semantics.c: Include expr.h.
164 * ifcvt.c: Include toplev.h.
166 * expr.h (rtx_equal_p): Delete prototype.
168 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
169 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
170 eliminate_constant_term, expand_complex_abs, find_single_use,
171 make_tree, init_expr_once, init_optabs, supports_one_only):
174 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
175 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
176 expand_assignment, store_expr, emit_line_note_after,
177 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
179 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
181 * sparc-protos.h: Delete redundant prototypes.
183 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
185 * reload.c (push_reload): Add condition missed in SUBREG byte
188 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
190 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
192 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
194 * i386.md (floatsisf_sse): Fix output template
195 * i386.c (ix86_expand_fp_movcc)
197 * reg-stack.c (emit_pop_insn): Handle complex modes.
198 (move_for_stack_reg): Emit proper move mode.
199 (subst_stack_regs_pat): Handle complex modes.
201 2001-04-11 Jakub Jelinek <jakub@redhat.com>
203 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
205 2001-04-10 Richard Henderson <rth@redhat.com>
207 * libgcc2.h (__terminate_func_ptr): Remove typedef.
208 (__pure_virtual, __terminate, __terminate_set_func,
209 __default_terminate, __throw_type_match, __empty,
210 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
211 __eh_rtime_match, __unwinding_cleanup, __rethrow,
212 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
213 Remove prototypes of deleted functions.
215 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
217 * c-typeck.c (convert_arguments): -Wtraditional now activates
218 -Wconversion warnings, except for changes in signed-ness.
219 Detect complex<->int & int<->complex conversions as well.
221 * invoke.texi (-Wtraditional): Document it.
223 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
225 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
226 * flow.c (set_block_for_new_insns): Remove needless cast and
227 properly check for unset block number.
229 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
231 * function.c (purge_single_hard_subreg_set): Only check REGNO if
232 the subreg was a hard register. Pseudos are left as subregs.
234 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
236 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
237 (LIB2ADD_ST): New macro, pass it to mklibgcc.
238 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
239 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
240 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
242 2001-04-09 Bo Thorsen <bo@suse.co.uk>
244 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
246 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
248 * output.h (set_block_num): Missed it earlier, remove deprecated
251 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
253 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
254 (load_killed_in_block_p): Change bb parameter from int to basic_block.
255 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
256 (handle_rd_kill_set): Change bb parameter from int to basic_block.
257 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
258 (expr_killed_p): Change bb parameter from int to basic_block, pass
259 basic_blocks instead of ints as parameters.
260 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
261 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
262 from int to basic_block, pass basic_blocks instead of ints as parms.
263 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
264 parameter from int to basic_block, pass basic_blocks instead of ints.
265 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
266 (insert_insn_end_bb): Change bb parameter from int to basic_block,
267 pass basic_blocks instead of ints.
268 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
269 basic_blocks instead of ints as parameters.
270 (pre_delete): Pass basic_blocks instead of ints as parameters.
271 (hoist_expr_reaches_here_p): Change bb parameter from int to
272 basic_block, pass basic_blocks instead of ints.
273 (hoist_code): Pass basic_blocks instead of ints as parameters.
274 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
275 Change bb parameter from int to basic_block.
276 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
277 (insert_insn_start_bb): Change bb parameter from int to basic_block,
278 pass basic_blocks instead of ints.
279 (insert_store): Pass basic_blocks instead of ints as parameters.
280 (replace_store_insn, delete_store): Change bb parameter from int to
281 basic_block, pass basic_blocks instead of ints.
282 (store_motion): Pass basic_blocks instead of ints as parameters.
284 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
286 * basic-block.h (set_new_block_for_insns): New Prototype.
287 (set_block_num): Delete prototype.
288 * flow.c (set_block_num): Remove obsolete function.
289 (set_block_for_new_insns): Set BB for single or multiple insns.
290 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
291 (process_insn_end_bb): Use set_block_for_new_insns or
292 set_block_for_insn instead of set_block_num.
293 (pre_insert_copy_insn): Use set_block_for_new_insns.
294 (update_ld_motion_stores): Use set_block_for_new_insns.
295 (insert_insn_start_bb): Use set_block_for_new_insns.
296 (replace_store_insn): Use set_block_for_new_insns.
298 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
299 Jeff Law <law@redhat.com>
301 * alias.c (get_addr): Externalize.
302 (canon_true_dependence): New function. Behaves like true_dependance
303 except it already assumes a MEM has been canonicalized.
304 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
305 * gcse.c (struct ls_expr): Add load/store expressions structure.
306 (modify_mem_list, canon_modify_mem_list): New variable.
307 (gcse_main): Initialize & finalize alias analysis. Use enhanced
308 load motion and store motion if requested.
309 (alloc_gcse_mem): Allocate space for modify_mem_list array.
310 (free_gcse_mem): Free the modify_mem_list array.
311 (oprs_unchanged_p): Use load_killed_in_block_p.
312 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
313 (mems_conflict_for_gcse_p): New function. Don't kill loads
314 with stores to themselves if its in the load/store expression list.
315 (load_killed_in_block_p): New function.
316 (canon_list_insert): New Function.
317 (record_last_mem_set_info): Keep a list of all instructions which
318 can modify memory for each basic block.
319 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
320 (oprs_not_set_p): Use load_killed_in_block_p.
321 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
322 (expr_killed_p): Use load_killed_in_block_p.
323 (compute_transp): Do not pessimize memory references.
324 (pre_edge_insert): Update stores for a load motion expression.
325 (one_pre_gcse_pass): Check loads/stores for extra load motion.
326 (ldst_entry): Find or create a ldst_expr structure.
327 (free_ldst_entry): Free memory for an individual item.
328 (free_ldst_mems): Free entire load/store expression list.
329 (print_ldst_list): Print debug info.
330 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
331 (enumerate_ldsts): Assign integer values to each entry in list.
332 (first_ls_expr): First expression in the list.
333 (next_ls_expr): Next expression in the list.
334 (simple_mem): Check if expression qualifies for ld/st expression list.
335 (invalidate_any_buried_refs): Remove from expression list if its
336 used in some other way we dont understand.
337 (compute_ld_motion_mems): Find all potential enhanced load motion
339 (trim_ld_motion_mems): Remove any expressions which are invalid.
340 (update_ld_motion_stores): Copy store values to registers for loads
341 which have been moved.
342 (regvec, st_antloc, num_store): New global statics.
343 (reg_set_info): Marks registers as set.
344 (store_ops_ok): Verfies registers expressions are valid in a block.
345 (find_moveable_store): Look for moveable stores in a pattern.
346 (compute_store_table): Find stores in a function worth moving, maybe.
347 (load_kills_store): Check dependance of a load and store.
348 (find_loads): Find any loads in a pattern.
349 (store_killed_in_insn): Check if a store is killed in an insn.
350 (store_killed_after): Check is store killed after an insn in a block.
351 (store_killed_before): Check is store killed before an insn in a block.
352 (build_store_vectors): Generate the antic and avail vectors.
353 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
354 (insert_store): Add a store to an edge.
355 (replace_store_insn): Replace a store with a SET insn.
356 (delete_store): Delete a store insn.
357 (free_store_memory): Free memory.
358 (store_motion): Perform store motion.
359 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
360 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
361 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
362 (f_options): Add gcse-lm and gcse-sm.
364 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
366 * i386.c (expand_fp_movcc): Fix condition reversal code.
368 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
369 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
370 (CLASS_MAX_NREGS): Use it.
372 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
373 handle properly complex values.
374 (CLASS_MAX_NREGS): Likewise; update comment.
376 2001-04-05 Bernd Schmidt <bernds@redhat.com>
378 * ia64.c (ia64_flag_schedule_insns2): New variable.
379 (ia64_override_options): Initialize it. Clear
380 flag_schedule_insns_after_reload.
381 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
383 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
385 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
386 Do not require source to match destination anymore;
387 Add abort to the nontrivial cases that should be handled by split.
388 (fix_trunc?fdi): Add SSE case for x86_64.
389 (floatdi?f): Likewise.
390 (floatdi?f_sse): New.
391 (fix_trunc?fdi_sse): New.
393 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
395 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
396 (DEBUG_ARANGES_END_LABEL): Ditto.
397 (dwarfout_init): Generate length and version fields at the start
398 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
399 after the length field.
400 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
401 the .debug_aranges info.
403 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
405 * i386.c (call, call_value): Make sure that resulting call_insn
406 does have proper second operand.
408 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
410 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
411 function. Remove include of sys/cygwin.h.
413 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
415 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
416 (CPP_SPEC): Always search */include/w32api for header files.
417 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
418 (LINK_SPEC): Add "cyg" to the library search prefixes.
420 2001-04-08 Philip Blundell <philb@gnu.org>
422 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
424 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
426 * cpperror.c (print_location): Don't special case <stdin>.
427 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
428 WARNING, but we don't check if we're in system headers.
429 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
430 * cpplib.c (do_warning): Warn in system headers.
432 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
434 * mbchar.c: Include config.h first.
436 2001-04-07 Zack Weinberg <zackw@stanford.edu>
438 * config.gcc: Set default for xmake_file at top, not bottom.
439 Change places that set xmake_file to "none" to set to the
440 empty string instead, or remove them entirely if there is no
441 default xmake_file for this cpu_type. Remove references to
444 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
445 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
446 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
447 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
448 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
449 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
450 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
451 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
452 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
453 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
456 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
457 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
458 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
459 config/mips/x-sysv, config/rs6000/x-aix31:
460 Just set CLIB to -lld or -lmld, as appropriate.
462 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
463 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
464 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
465 config/mips/x-iris, config/pa/x-pa:
466 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
467 OTHER_FIXINCLUDES_DIRS.
469 * config/i386/x-djgpp: Don't set LN or LN_S.
470 * config/m88k/x-dolph: Don't define __m88k__.
471 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
472 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
473 * config/i860/fx2800.h: No need to #undef SVR4.
475 38 x-host fragments remain, 2 x-cpu.
477 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
479 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
481 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
483 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
485 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
487 * configure.in: Add check for lstat.
488 * configure, config.in: Regenerate.
489 * cppinit.c (append_include_chain): Make empty path ".".
490 * cpplib.c (do_line): Don't simplify #line paths.
491 * cppfiles.c (remove_component_p): New function.
492 (find_or_create_entry): Acknowledge stat () errors during
494 (handle_missing_header): Don't simplify paths.
495 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
496 the empty path untouched. Don't leave a trailing '/'.
498 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
500 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
501 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
503 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
505 * cppfiles.c (open_file): Fail directories silently, but
506 with an errno of NOENT set.
507 (read_include_file): Move the common exit code to the sole
508 caller. Return an int indicating success or failure. Let
509 open_file handle directories.
510 (stack_include_file): If read_include_file fails,
511 push a "null" buffer.
513 2001-04-05 DJ Delorie <dj@redhat.com>
515 * function.h (virtuals_instantiated): Declare.
516 * function.c: (virtuals_instantiated): Make global.
517 * calls.c (emit_library_call_value_1): Use
518 virtual_outgoing_args_rtx only if it hasn't been instantiated.
519 Otherwise, use the stack pointer directly.
521 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
523 * i386.c (x86_initialize_trampoline): New global function.
524 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
525 (INITIALIZE_TRAMPOLINE): Move offline.
526 * i386-protos.h (x86_initialize_trampoline): Declare.
528 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
530 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
531 (lea_0): Rename to lea_1.
532 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
533 (lea_general_?): Allow SImodes on TARGET_64BIT
534 (lea_general_?_zext): New patterns.
535 (call_1, call_1_rex64): Fix.
537 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
539 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
541 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
543 * i386.c (function_arg): Return constm1_rtx for last argument.
544 (ix86_expand_prologue): Update gen_call calls.
545 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
546 * i386.md (call_pop): Likewise.
547 (call): Second operand is VOIDmode.
548 (call_0): Likewise; Support 64bits.
549 (call_exp): New expander.
550 (call_1): Get to the sync.
551 (call_1_exp): New pattern.
552 (call_value): Support 64bit.
553 (call_value_exp): New pattern.
554 (untyped_call): Update gen_call call.
555 (call_value_pop): Disable for 64bit.
556 (call_value_0_rex64): New pattern.
557 (call_value_1_rex64): Likewise.
559 2001-04-05 Bo Thorsen <bo@suse.de>
561 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
563 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
565 * i386.md (*andsi_1+3): If used after reload, make sure the operand
566 satisfies ANY_QI_REG_P.
568 2001-04-05 Bernd Schmidt <bernds@redhat.com>
570 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
573 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
576 2001-04-04 Zack Weinberg <zackw@stanford.edu>
578 * config.gcc: Remove default for xm_file. Clean up local
579 machine type handling. Remove settings of xm_file to
580 something that doesn't exist. In the big switch, set xm_file,
581 don't append to it (the value before the big switch is always
582 null). Don't force build_xm_file or host_xm_file to have a value.
583 * configure.in: Remove default for xm_file. Do not special
584 case $cpu/xm-$cpu.h not existing.
585 * configure: Regenerate.
587 2001-04-04 Diego Novillo <dnovillo@redhat.com>
589 * simplify-rtx.c (simplify_binary_operation): Check for overflow
590 when folding integer division and modulo operations.
592 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
594 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
595 instead of DWARF2_ADDR_SIZE for EH addresses.
596 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
599 2001-04-04 Richard Henderson <rth@redhat.com>
601 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
602 * config/ia64/t-glibc (LIB2ADDEH): Disable.
603 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
605 2001-04-04 Richard Henderson <rth@redhat.com>
607 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
608 * configure: Rebuilt.
610 2001-04-04 Jakub Jelinek <jakub@redhat.com>
612 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
613 push insns to delete to it instead of deleting them.
614 (delete_null_pointer_checks): Delete insns from delete_list after
615 all delete_null_pointer_checks_1 passes are done.
617 2001-04-04 Richard Henderson <rth@redhat.com>
619 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
620 * configure: Rebuilt.
622 2001-04-04 Zack Weinberg <zackw@stanford.edu>
624 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
625 * config/romp/xm-romp.h: Delete.
627 2001-04-04 Bernd Schmidt <bernds@redhat.com>
629 * sched-deps.c (sched_analyze_insn): Partially revert March 27
632 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
634 * emit-rtl.c (mark_label_nuses) Increment the label uses for
635 all labels present in rtx.
636 (try_split) Call new function for all split insns.
638 2001-04-04 Jakub Jelinek <jakub@redhat.com>
640 * recog.c (validate_replace_rtx_1): Instead of aborting just make
641 sure the change won't be validated.
643 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
645 * rtl.h (set_noop_p): Declare.
646 * flow.c (set_noop_p): Move from here ...
647 * rtlanal.c (set_noop_p): ... to here and enhance.
648 * cse.c (delete_trivially_dead_insns): Use it.
649 * gcse.c (hash_scan_set): Likewise.
650 * jump.c (delete_noop_moves): Likewise.
651 * recog.c (split_all_insns): Likewise.
653 2001-04-04 Alan Modra <alan@linuxcare.com.au>
655 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
656 stack pointer via a LO_SUM. Ditto for setting a temp register
657 used to save to the stack. Set cfa_temp when setting fp, and
658 allow matches to cfa_temp in addition to cfa_store when saving
659 regs. Handle POST_INC and LO_SUM register stores. Document the
660 changes and errors in rule 12 doco.
662 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
663 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
664 (load_reg): Move closer to epilogue code.
665 (DO_FRAME_NOTES): Define to control the following..
666 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
667 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
669 (hppa_expand_epilogue): Likewise.
671 2001-04-03 Richard Henderson <rth@redhat.com>
673 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
674 * configure: Rebuild.
676 2001-04-03 Richard Henderson <rth@redhat.com>
678 * rtl.h (LCT_THROW): New.
679 * calls.c (emit_library_call_value_1): Handle it.
680 * except.c (connect_post_landing_pads): Use it.
682 2001-04-03 Zack Weinberg <zackw@stanford.edu>
684 * gansidecl.h: Delete file.
685 * configure.in: Change all refs to gansidecl.h to use
686 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
688 * configure: Regenerate.
690 * Makefile.in (intl.o): Don't depend on gansidecl.h.
691 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
692 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
693 Don't include gansidecl.h.
694 * intl.c, main.c, version.c, fixinc/fixlib.h,
695 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
698 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
700 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
703 2001-04-03 Zack Weinberg <zackw@stanford.edu>
705 * config/i386/xm-beos.h, config/i386/xm-isc.h,
706 config/i386/xm-next.h, config/i386/xm-sco.h,
707 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
708 config/m88k/xm-m88k.h: Delete.
710 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
711 * config/romp/xm-romp.h: Don't define bcopy.
712 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
713 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
715 * config.gcc: Remove references to deleted files.
717 14 xm-host.h remain, 1 xm-cpu.h.
719 2001-04-03 Jakub Jelinek <jakub@redhat.com>
720 David S. Miller <davem@pierdol.cobaltmicro.com>
721 Andrew MacLeod <amacleod@redhat.com>
723 Use byte offsets in SUBREGs instead of words.
725 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
726 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
727 to pass new argument.
728 (add_stored_regs): Use subreg_regno_offset function.
729 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
731 (precompute_arguments): Use gen_lowpart_SUBREG.
732 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
733 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
734 (simplify_set): Rework to use SUBREG_BYTE.
735 (expand_field_assignment): Use SUBREG_BYTE.
736 (make_extraction): Use SUBREG_BYTE.
737 (if_then_else_cond): Use SUBREG_BYTE.
738 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
739 (gen_lowpart_for_combine): Compute full byte offset.
740 * cse.c (mention_regs): Use SUBREG_BYTE.
741 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
742 (canon_hash): Use SUBREG_BYTE.
743 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
744 (gen_lowpart_if_possible): Formatting.
745 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
747 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
748 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
749 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
750 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
751 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
752 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
753 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
754 certain invariants about SUBREGs the compiler creates.
755 (gen_lowpart_SUBREG): New function.
756 (subreg_hard_regno): New function to get the final register number.
757 (gen_lowpart_common): Use SUBREG_BYTE.
758 (gen_imagpart): Spacing nits.
759 (subreg_realpart_p): Use SUBREG_BYTE.
760 (gen_highpart): Use SUBREG_BYTE.
761 (subreg_lowpart_p): Always compute endian corrected goal offset,
762 even at the byte level, then compare against that.
763 (constant_subword): New function, pulled out all constant cases
764 from operand_subword and changed second argument name to offset.
765 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
766 and call constant_subword to do the work. Return const0_rtx if
767 looking for a word outside of OP.
768 (operand_subword_force): Change second arg name to offset.
769 * expmed.c (store_bit_field): Use SUBREG_BYTE.
770 (store_split_bit_field): Use SUBREG_BYTE.
771 (extract_bit_field): Use SUBREG_BYTE.
772 (extract_split_bit_field): Use SUBREG_BYTE.
773 (expand_shift): Use SUBREG_BYTE.
774 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
775 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
776 * flow.c (set_noop_p): Use SUBREG_BYTE.
777 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
778 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
779 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
781 (optimize_bit_field): Use SUBREG_BYTE.
782 (purge_addressof_1): Use SUBREG_BYTE.
783 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
784 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
785 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
786 * gengenrtl.c (special_rtx): Add SUBREG.
787 * global.c (mark_reg_store): Use SUBREG_BYTE.
788 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
789 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
790 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
791 final byte offset is congruent to subreg's mode size.
792 (subst_constants): Use SUBREG_BYTE.
793 (mark_stores): Use subreg_regno_offset function.
794 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
795 function and SUBREG_BYTE.
796 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
797 (reg_is_born): Use subreg_hard_regno.
798 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
799 endian correction code. Don't combine subregs unless resulting
800 offset aligns with type. Fix subreg constant extraction for DImode.
801 Simplify SUBREG of VOIDmode CONST_DOUBLE.
802 (general_operand): Remove dead mode_altering_drug code.
803 (indirect_operand): Use SUBREG_BYTE.
804 (constrain_operands): Use subreg_regno_offset function.
805 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
806 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
807 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
808 * regs.h (REG_SIZE): Allow target to override.
809 (REGMODE_NATURAL_SIZE): New macro which target can override.
810 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
811 on the entire subreg rtx.
812 (push_reload): Use SUBREG_BYTE in comments and code.
813 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
814 for hard registers inside subregs.
815 (operands_match_p): Use subreg_regno_offset.
816 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
817 containing hard regs.
818 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
819 corrections when fixing up MEM subregs.
820 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
821 subreg_regno_offset where appropriate.
822 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
823 byte endian corrections when fixing up MEM subregs.
824 (subst_reloads): When combining two subregs, make sure final
825 offset is congruent to subreg's mode size.
826 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
827 (refers_to_regno_for_reload_p): Use subreg_regno.
828 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
829 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
830 correction code for memory subreg fixups.
831 (forget_old_reload_1): Use subreg_regno_offset.
832 (choose_reload_regs): Use subreg_regno.
833 (emit_input_reload_insns): Use SUBREG_BYTE.
834 (reload_combine_note_store): Use subreg_regno_offset.
835 (move2add_note_store): Use subreg_regno_offset.
836 * resource.c (update_live_status, mark_referenced_resources): Use
837 subreg_regno function.
838 (mark_set_resources): Use subreg_regno function.
839 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
840 (subreg_regno_offset, subreg_regno): Define prototypes.
841 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
842 (gen_lowpart_SUBREG): Add prototype.
843 * rtl.texi (subreg): Update to reflect new byte offset representation.
844 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
845 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
846 (reg_overlap_mentioned_p): Use subreg_regno.
847 (replace_regs); Make sure final offset of combined subreg is
848 congruent to size of subreg's mode.
849 (subreg_regno_offset): New function.
850 (subreg_regno): New function.
851 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
852 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
853 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
854 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
855 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
856 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
857 (a29k_get_reloaded_address): Use SUBREG_BYTE.
858 (print_operand): Use SUBREG_BYTE.
859 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
860 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
861 (arm_reload_out_hi): Use SUBREG_BYTE.
862 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
863 instead of SUBREG_WORD.
864 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
865 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
866 SUBREG creation to use byte offset.
867 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
868 inverted load insns): Fix explicit rtl subregs to use byte
870 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
871 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
872 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
873 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
875 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
876 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
877 offsets, also make sure it is congruent to SUBREG's mode size.
878 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
879 unnamed ldob insn): Generate SUBREGs with byte offset.
880 (zero_extendqihi2): SUBREG's are byte offsets.
881 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
882 (m68hc11_gen_highpart): Use SUBREG_BYTE.
883 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
884 zero-extendqisi2): Generate SUBREGs with byte offset.
885 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
886 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
887 subregs in rtl to use byte offsets.
888 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
889 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
890 (mips_move_2words): Use subreg_regno_offset.
891 (mips_secondary_reload_class): Use subreg_regno_offset.
892 * config/mips/mips.md (DImode plus, minus, move, and logical op
893 splits): Fixup explicit subregs in rtl to use byte offsets.
894 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
895 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
896 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
897 rtl to use byte offsets.
898 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
899 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
900 subregs to use byte offsets.
901 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
902 Fixup explicit subregs in rtl to use byte offsets.
903 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
904 and remove byte endian correction code.
905 * config/sh/sh.c (output_movedouble): Use subreg_regno.
906 (gen_ashift_hi): Use SUBREG_BYTE.
907 (regs_used): Use subreg_regno_offset.
908 (machine_dependent_reorg): Use subreg_regno_offset.
909 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
910 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
911 (movdf_i4): Subregs are byte offsets now.
912 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
913 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
914 (REGMODE_NATURAL_SIZE): Override.
915 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
916 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
918 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
919 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
920 extendqidi2): Generate SUBREGs with byte offsets, also make sure
921 it is congruent to SUBREG's mode size.
922 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
924 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
925 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
926 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
927 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
928 * config/v850/v850.c (print_operand, output_move_double): Use
929 subreg_regno function.
931 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
933 * configure.in (target_subdir): Use target_alias, not target.
934 * configure: Rebuilt.
936 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
938 * config/sh/crti.asm: Fix typos in comments.
940 2001-04-03 Alan Modra <alan@linuxcare.com.au>
942 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
943 TARGET_FAST_INDIRECT_CALLS.
944 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
946 (return_addr_rtx): Short circuit export stub matching when
947 TARGET_NO_SPACE_REGS.
948 (output_millicode_call): For out of range calls, make -fPIC
949 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
950 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
951 * pa.md: Modify length attr calculation of all millicode insns to
954 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
956 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
957 Require at least 2.11 in the version test. Specifically check
958 for and reject GAS version 2.10.90.
959 * configure: regenerate.
961 2001-04-03 Alan Modra <alan@linuxcare.com.au>
963 * pa.c (override_options): Remove PIC profiling warning.
964 (hp_profile_labelno): Delete.
965 (hp_profile_label_rtx): Delete.
966 (hp_profile_label_name): Delete.
967 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
968 (output_function_prologue): Remove profiling code and all tests on
969 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
970 merge_sp_adjust_with_store can work for PIC and profiling.
971 (hppa_expand_epilogue): Remove profile_flag test.
972 (hppa_can_use_return_insn_p): Likewise.
973 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
974 cater for PROFILE_HOOK.
975 (hppa_profile_hook): New function.
976 * pa.h (FUNCTION_PROFILER): Now does nothing.
977 (PROFILE_HOOK): Define.
978 (hppa_profile_hook): Declare.
979 (PROFILE_BEFORE_PROLOGUE): Delete.
980 (ASM_OUTPUT_REG_PUSH): Delete.
981 (ASM_OUTPUT_REG_POP): Delete.
982 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
983 r24. Accept function name operand, and use this and a locally
984 generated label to calculate pc-rel offset to func start.
986 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
988 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
989 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
992 2001-04-03 Alan Modra <alan@linuxcare.com.au>
994 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
995 LO_SUM cases to where they belong.
997 2001-04-02 Richard Henderson <rth@redhat.com>
999 * except.h (lang_eh_type_covers): Mark extern.
1000 (lang_eh_runtime_type): Likewise.
1002 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1004 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1005 gengenrtl.c: Wrap generated header in multiple-include guard.
1006 Improve error checking.
1008 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1010 * configure.in: Don't check for putenv.
1011 * configure: Regenerate.
1012 * gcc.c (putenv): Don't define.
1013 * vax/xm-vms.h: Handle putenv.
1015 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1017 * ifcvt.c (noce_emit_move_insn): New.
1018 (noce_try_store_flag, noce_try_store_flag_constants,
1019 noce_try_store_flag_inc, noce_try_store_flag_mask,
1020 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1021 noce_try_abs): Use it.
1022 (noce_process_if_block): Likewise.
1023 For STRICT_LOW_PART, take mode from its SUBREG.
1025 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1027 * fold-const.c (fold): Before optimizing unsigned comparison with
1028 0x7fffffffU, make sure arg0 is integral type.
1030 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1032 * c-tree.texi: Document representation of wide strings.
1034 2001-04-01 Richard Henderson <rth@redhat.com>
1036 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1038 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1040 * i386.md: remove obsoleted comments.
1041 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1042 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1043 fix output template.
1045 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1047 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1049 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1051 * loop.c (load_mems): When generating a load from a pseudo, update
1054 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1056 * i386.c (ix86_split_long_move): Use change address to compensate
1057 stack pointer change in push instruction.
1059 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1061 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1062 instead of rtx_equal_p; fix the output template.
1064 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1066 * i386.c (ix86_expand_setcc): Support 64bit.
1067 (ix86_expand_int_movcc): Likewise.
1068 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1071 * i386.md (allocate_stack_worker): Turn to expander.
1072 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1074 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1076 2001-03-29 Richard Henderson <rth@redhat.com>
1078 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1080 2001-03-28 Matthew Hiller <hiller@redhat.com>
1082 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1085 * MAINTAINERS: Added self.
1087 2001-03-28 Richard Henderson <rth@redhat.com>
1089 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1090 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1092 2001-03-28 Jim Wilson <wilson@redhat.com>
1094 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1097 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1099 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1101 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1104 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1106 2001-03-28 DJ Delorie <dj@redhat.com>
1108 * Makefile.in (stage1_build): Revert CFLAGS patch.
1110 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1112 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1113 when multiplier or multiplicand is zero.
1115 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1117 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1119 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1121 (set_src_needs_barrier): Likewise.
1122 (rtx_needs_barrier): For SET case, use these two functions. Rework
1123 PARALLEL case to handle all inputs before all outputs.
1124 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1125 saw a label and no stop bit since then.
1126 (maybe_rotate, process_epilogue): Add prototypes.
1128 2001-03-28 Richard Henderson <rth@redhat.com>
1130 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1131 not TARGET_TOC for special toc restore handling.
1132 * config/rs6000/rs6000.md (eh_return): Likewise.
1134 2001-03-28 Richard Henderson <rth@redhat.com>
1136 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1137 current_function_calls_eh_return.
1138 (output_function_epilogue): Handle eh_return.
1139 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1140 (EH_RETURN_DATA_REGNO): New.
1141 (EH_RETURN_STACKADJ_RTX): New.
1142 (EH_RETURN_HANDLER_RTX): New.
1143 * config/sparc/sparc.md (call/short branch peepholes): Check
1144 can_throw_internal instead of in_same_eh_region.
1146 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1147 for eh_return data registers.
1148 (rs6000_emit_prologue): Save eh_return data registers.
1149 (rs6000_emit_epilogue): Force inline restores if eh_return.
1150 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1151 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1152 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1153 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1154 the target uses one.
1155 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1156 (return_eh_si, return_eh_di): Remove.
1157 (eh_return): New, from corpse of eh_epilogue.
1158 (eh_set_lr_si, eh_set_lr_di): New.
1160 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1161 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1162 True for pic register if current_function_calls_eh_return.
1163 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1164 Handle eh_return requirements.
1165 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1166 (EH_RETURN_STACKADJ_RTX): New.
1167 * config/i386/i386.md (exception_receiver): Remove.
1168 (eh_return, eh_return_1): New.
1169 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1171 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1172 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1173 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1174 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1175 (EH_RETURN_DATA_REGNO): New.
1176 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1177 * config/alpha/alpha.md (eh_epilogue): Remove.
1178 (exception_receiver): Use $26 for ldgp input.
1179 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1181 2001-03-28 Richard Henderson <rth@redhat.com>
1183 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1184 * except.h: Likewise.
1186 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1187 (LIB2ADDEHDEP): New.
1188 (LIB2FUNCS_EH): Remove.
1189 (LIB2ADD): Remove LIB2ADDEH.
1190 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1191 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1192 (crt{begin,end}[S].o): Likewise.
1193 (except.o): Update includes.
1194 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1195 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1197 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1198 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1199 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1200 * builtins.c (expand_builtin): Implement it.
1201 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1202 * c-common.c (c_common_nodes_and_builtins): Declare it.
1203 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1204 * calls.c (libfunc_nothrow): Remove.
1205 (emit_library_call_value_1): Don't call it.
1206 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1207 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1208 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1209 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1210 (current_funcdef_number): Globalize.
1211 (output_call_frame_info): Emit frame data if an lsda is needed.
1212 Generate augmentation for personality routine. Don't play with
1214 (dwarf2out_begin_prologue): Record funcdef_number.
1215 * dwarf2out.h (current_funcdef_number): Declare.
1216 * expr.c (expand_expr): Update for except.h name changes.
1217 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1218 * expr.h (LTI_throw, LTI_rethrow): Remove.
1219 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1220 (LTI_eh_rtime_match): Remove.
1221 (LTI_unwind_resume, LTI_eh_personality): Add.
1222 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1223 * final.c (final): Don't call check_exception_handler_labels,
1224 init_insn_eh_region, or free_insn_eh_region.
1225 (final_scan_insn): Always emit debug labels for
1226 NOTE_INSN_EH_REGION notes.
1227 * flags.h (flag_new_exceptions): Remove.
1228 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1229 (record_active_eh_regions): Remove.
1230 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1231 Use can_throw_internal.
1232 (find_basic_blocks_1): Likewise.
1233 (move_stray_eh_region_notes): Remove.
1234 (find_label_refs): No eh_return_stub_label.
1235 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1236 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1238 (delete_unreachable_blocks): Don't track deleted handlers.
1239 (flow_delete_block): Use maybe_remove_eh_handler.
1240 (delete_eh_regions): Remove.
1241 (merge_blocks): Don't check for eh region match.
1242 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1243 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1244 (init_propagate_block_info): Disable dead frame store optimization
1245 when current_function_calls_eh_return.
1246 (dump_bb): Don't print eh_beg, eh_end.
1247 * function.c (fixup_var_refs): No catch_clauses.
1248 (expand_function_end): Likewise. Call expand_eh_return before
1249 the return register use. Call sjlj_emit_function_exit_after.
1250 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1251 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1252 * ifcvt.c (dead_or_predicable): Remove eh region check.
1253 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1254 Don't check for EH vs parameters.
1255 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1256 (expand_inline_function): Call duplicate_eh_regions.
1257 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1258 (copy_insn_notes): Remap REG_EH_REGION notes.
1259 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1260 * integrate.h (struct inline_remap): Add local_return_label.
1261 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1262 check_exception_handler_labels, nor exception_optimize.
1263 (find_cross_jump): No EH region check.
1264 * optabs.c (init_optabs): Update for changed eh libfuncs.
1265 * rtl.def (RESX): New.
1266 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1267 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1268 checks. Update for except.h name changes.
1269 (expand_cleanups): Likewise.
1270 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1271 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1272 (compile_file): Call init_eh before init_optabs. Don't
1273 output_exception_table here.
1274 (rest_of_compilation): Call convert_from_eh_region_ranges,
1275 convert_to_eh_region_ranges, output_function_exception_table.
1276 Don't emit_eh_context.
1277 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1278 (EXC_PTR_EXPR): New.
1280 * md.texi (eh_epilogue): Remove.
1281 (eh_return): Document.
1282 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1283 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1285 * eh-common.h: Remove file.
1286 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1287 * libgcc2.c (L_eh): Remove.
1289 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1290 * unwind-dw2-fde.h: New file.
1291 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1292 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1293 * libgcc-std.ver: Update for eh symbols.
1295 2001-03-27 Richard Henderson <rth@redhat.com>
1297 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1298 reduce false positives.
1299 (regmove_optimize): Disable if flag_non_call_exceptions.
1301 * stmt.c (expand_return): Remove always true predicate.
1302 (expand_decl_cleanup_no_eh): Remove dead code.
1304 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1305 barrier code. Add a scheduling barrier if a non-call insn
1306 can throw internally.
1308 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1309 Auto-inc addresses trap only if their base register does.
1311 * except.c (can_throw_internal): Rename from can_throw.
1312 * except.h, resource.c: Update references.
1314 * integrate.c (copy_insn_list): Use returnjump_p.
1315 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1317 * function.h (struct function): Move all boolean valued fields
1318 to single bit fields at the end of the struct.
1320 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1322 Rename asynchronous_exceptions to flag_non_call_exceptions.
1324 * gthr-single.h (UNUSED): New. Distinguish between how C
1325 and C++ mark unused function arguments. Use throughout.
1327 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1328 value to target configuration header.
1329 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1330 * config.in, configure: Rebuild.
1331 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1332 configuration and target defines.
1333 (exceptions_via_longjmp): Remove.
1334 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1335 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1337 * except.h (flag_non_call_exceptions): Move ...
1338 * flags.h: ... here.
1340 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1341 exceptions, put the note on the trapping instruction.
1343 * flags.h (flag_new_exceptions): Remove.
1344 * toplev.c: Don't set it.
1345 * final.c: Don't check it.
1346 * except.c: Provide stub definition.
1348 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1349 (calculate_global_regs_live): Kill call-clobbered registers
1350 across exception edges.
1351 * reg-stack.c (convert_regs_1): Kill the entire target stack
1352 across non-call exception edges.
1354 * flow.c (cleanup_cfg): Take no argument.
1355 * output.h, sibcall.c, toplev.c: Update all calls.
1357 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1359 * configure.in: Don't check for bcopy.
1360 * configure, config.in: Regenerate.
1362 * system.h: Don't define or prototype bcopy, instead poison it.
1364 2001-03-27 Richard Henderson <rth@redhat.com>
1366 * function.c (expand_function_start): Set DECL_REGISTER on
1367 a pseudo used for DECL_RESULT.
1369 * rtl.h (LCT_NORETURN): New.
1370 * calls.c (emit_library_call_value_1): Handle it.
1372 2001-03-27 Stan Shebs <shebs@apple.com>
1374 * objc/objc-act.c (objc_init): Use dump_base_name.
1375 (gen_declaration): Clear the buffer arg.
1376 (gen_declaration_1): New function, body of gen_declaration.
1377 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1378 (gen_method_decl): Ditto, plus always clear buffer arg.
1379 (error_with_ivar): Simplify.
1380 (warn_with_method): Ditto.
1381 (build_message_expr): Don't clear buffers.
1382 (dump_interface): Ditto.
1383 (objc_debug): Ditto.
1384 (build_keyword_selector): Clear the buffer by only zeroing
1386 (objc_implementation_context): Declare.
1387 (start_class): Warn about missing @end.
1388 (finish_objc): Ditto.
1390 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1392 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1394 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1396 * Makefile.in (SYSTEM_H): Define.
1397 Depend on $(SYSTEM_H), not system.h.
1399 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1401 2001-03-27 Jim Wilson <wilson@redhat.com>
1403 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1405 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1406 (process_epilogue): New static function.
1407 (process_set): Call process_epilogue instead of emitting .restore
1409 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1411 * flow.c (struct reg_cond_life_info): New fields orig_condition
1413 (init_propagate_block_info): Set new fields.
1414 (mark_regno_cond_dead): Set and use new fields.
1415 (flush_reg_cond_reg_1): Likewise.
1416 (and_reg_cond, case AND): Check for redundant AND conditions.
1417 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1420 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1422 * cppmacro.c (stringify_arg): Null terminate strings.
1424 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1426 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1427 inclusion style. xm-m68hc11.h no longer exists.
1428 * config/m68hc11/xm-m68hc11.h: Delete file.
1429 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1431 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1432 Don't define GCC_VERSION, N_, or PARAMS; don't include
1433 gansidecl.h or stdio.h. Define inhibit_libc here.
1434 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1435 Delete code conditioned on #if GCC_VERSION == 2095.
1437 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1438 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1439 Delete code conditioned on #if GCC_VERSION == 2095.
1441 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1443 * system.h: Include symcat.h.
1444 (STRINGIFY): Don't define.
1446 * configure.in: Adjust comment.
1448 * builtins.c: Use STRINGX, not STRINGIFY.
1449 * gencheck.c: Likewise.
1450 * gengenrtl.c: Likewise.
1451 * protoize.c: Likewise.
1453 * cpplex.c: Don't include symcat.h.
1454 * cpplib.c: Likewise.
1456 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1458 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1460 * c-typeck.c (digest_init): Fold init expression.
1462 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1464 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1466 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1468 * except.c (eh_regs): Save results of build_pointer_type to a temp
1469 as FUNCTION_VALUE macro may evaluate its args multiple times.
1471 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1473 * c-common.h (DECL_NUM_STMTS): New macro.
1474 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1476 (pushdecl): Likewise.
1477 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1478 * integrate.c (expand_inline_function): Don't check
1480 * print-tree.c (print_node): Don't print it.
1481 * toplev.c (rest_of_compilation): Don't try to inline when
1482 flag_no_inline is on.
1483 * tree.h (DECL_FRAME_SIZE): Remove.
1484 (tree_decl): Adjust accordingly.
1486 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1488 * combine.c (try_combine): Use memcpy, not bcopy.
1490 * genattrtab.c (expand_units): Likewise.
1492 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1494 * i386.md (push mem DI peep2): New.
1495 (mov 0, mov -1 peep2): Handle 64bit.
1496 (lea to arithmetics peep2): Handle 64bit leas.
1497 (rsp arithmetics to push/pop peep2s): New.
1499 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1501 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1503 * i386.c (struct machine_function): Add save_varrargs_registers.
1504 (ix86_save_varrargs_registers): New macro.
1505 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1506 (ix86_expand_prologue): Likewise.
1507 (ix86_emit_epilogue_esp_adjustement): Likewise.
1508 (ix86_expand_epilogue): Likewise.
1509 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1510 (pro_epilogue_adjust_stack_1): New insn.
1511 (pro_epilogue_adjust_stack_rex64): Likewise.
1512 * i386.h (MASK_NO_RED_ZONE): New constant.
1513 (TARGET_RED_ZONE): New macro.
1514 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1515 (RED_ZONE_SIZE): New constant.
1516 (RED_ZONE_RESERVE): New constant.
1518 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1520 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1522 2001-03-25 Kazu Hirata <kazu@hxi.com>
1524 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1527 (umodhi3): Likewise.
1530 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1532 * mkconfig.sh (DEFINES): Handle entries with '='.
1534 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1535 Set xm_defines to MACRO=value instead.
1537 * i370/xm-mvs.h: Delete.
1539 * ns32k/xm-pc532-min.h: Likewise.
1541 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1543 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1545 use ix86_expand_binary_operator
1546 (?sh??i_?): Disable for 64bit.
1547 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1548 * i386.c (shiftdi_operand): New predicate.
1550 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1551 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1552 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1553 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1554 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1555 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1556 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1557 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1558 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1559 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1560 (rotldi3, rotrdi3): New expanders.
1562 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1564 * i386.md (movstrsi): Move offline.
1566 (strmovdi_rex64): New.
1567 (strmov?i): Accept 64bit.
1568 (strmov?i_rex64): New.
1569 (strmov?i_rex_1): New.
1570 (strmov?i_1): Disable for 64bit.
1571 (rep_mov?i_rex64): New.
1572 (rep_mov?i): Disable for 64bit.
1573 (clrstrsi): Move offline.
1574 (strset?i_rex64): New.
1575 (strset?i: Accept 64bit.
1576 (rep_stos?i): Disable for 64bit.
1577 (rep_stos?i_rex64): New.
1578 (strset?i_rex_1): New.
1579 (strset?i_1): Disable for 64bit.
1580 (cmpstrsi): Accept 64bit.
1581 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1582 (cmpstrqi_nz_rex_1): New.
1583 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1584 (strlensi): Move offline.
1586 (strlenqi_1): Disable for 64bit; fix constraints.
1587 (strlenqi_rex_1): New.
1588 * i386.c (ix86_adjust_counter): New static function.
1589 (ix86_zero_extend_to_Pmode): Likewise.
1590 (ix86_expand_aligntest): Likweise.
1591 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1592 (ix86_expand_movstr): New global function.
1593 (ix86_expand_clrstr): New global function.
1594 (ix86_expand_strlen): New global function.
1595 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1596 ix86_expand_strlen): Declare.
1597 (ix86_expand_strlensi_unroll_1): Delete.
1599 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1601 * i386.md (cmpdi): Fix operand predicates.
1602 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1603 cmpdi_1_insn_rex64): New patterns.
1604 (adddi3): Turn to expander.
1605 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1606 (addsi3_carry_zext): New pattern.
1607 (adddi_?_rex64): New patterns and splitters.
1608 (addsi_?_zext): New patterns.
1609 (subsi3_carry_zext): New pattern.
1610 (subdi_?_rex64): New patterns and splitters.
1611 (iorsi_?_zext): New patterns.
1612 (iordi_?_rex64): New patterns and splitters.
1613 (iorsi_?_zext): New patterns.
1614 (iorsi_?_zext_imm): New patterns.
1615 (xorsi_?_zext): New patterns.
1616 (xordi_?_rex64): New patterns and splitters.
1617 (xorsi_?_zext): New patterns.
1618 (negdi*): New patterns.
1619 (one_cmpldi*): Likewise.
1620 (one_cmplsi*_zext, negsi*_zext): Likewise.
1621 (testqi_ext_3_rex64): New pattern.
1623 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1625 * i386-protos.h (ix86_split_long_move): Return void.
1626 * i386.c (ix86_split_to_parts): Handle 64bit target.
1627 (ix86_split_long_move): Likewise.
1628 * i386.md (all calls to ix86_split_long_move): Update.
1630 2001-03-23 Richard Henderson <rth@redhat.com>
1632 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1633 to avoid shadowing arguments.
1635 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1637 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1638 to variable names where DECL_NAME is different from
1639 DECL_ASSEMBLER_NAME.
1641 2001-03-23 Jim Wilson <wilson@redhat.com>
1643 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1644 (assemble_alias): Call make_decl_rtl.
1646 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1648 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1650 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1652 * extend.texi: Document the "java_interface" attribute.
1654 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1656 * mkconfig.sh: Use a subshell with redirected stdout,
1657 instead of closing stdout and confusing commands that run
1658 afterward. Throw away output of cmp.
1660 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1662 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1664 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1666 * i386.md (zero_extendsidi2_32): Break out from ...
1667 (zero_extendsidi2): ... here ; turn to expander.
1668 (zero_extendsidi2_rex64): New.
1669 (extendsidi2_32): Break out from ...
1670 (extendsidi2): ... here ; turn to expander.
1671 (extendsidi2_rex64): New.
1672 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1673 (trunc?f?f splitters): Add 64bit versions.
1675 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1677 * i386.md (pushsi, pushsi2_prologue): Disable.
1678 (pushsi2_rex64): New.
1679 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1680 (movqi_ext_1): Disable for 64bit.
1681 (movqi_ext_1_rex64): New.
1682 (pushdi2_rex64): New pattern, peep2s and splitter.
1683 (pushdi2_prologue_rex64): New pattern.
1684 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1686 (movdi splitters): Disable for 64bit.
1687 (movdi_1_rex64): New pattern, peep2s and splitters.
1688 (swapdi): New pattern.
1689 (pushsf): Disable for 64bit.
1690 (pushsf_rex64): New pattern and splitter.
1691 (pushdf_nointeger): Disable for 64bit.
1692 (pushdf_integer): Handle the 64bit case.
1693 (pushtf): Likewise; update splitters.
1695 2001-03-22 Richard Henderson <rth@redhat.com>
1697 * mkconfig.sh: Include insn-flags.h.
1698 * Makefile.in (CONFIG_H): Include insn-flags.h.
1699 (lots of objects): Remove insn-codes.h and insn-flags.h.
1701 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1702 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1703 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1704 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1705 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1706 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1707 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1708 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1709 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1710 v850/v850.c, vax/vax.c:
1711 Don't include insn-flags.h.
1713 * diagnostic.c, expr.h, reload.c, toplev.c:
1714 Don't include insn-codes.h.
1716 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1717 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1718 c4x/c4x.c, i960/i960.c, mips/mips.c:
1719 Don't include insn-codes.h or insn-flags.h.
1721 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1722 or insn-flags.h in the generated code.
1723 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1724 (main): Forward declare struct rtx_def.
1726 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1728 * invoke.texi (-ffast-math): Remove duplicate line about
1731 * gcc.texi: Remove more obsolete documentation of bugs and
1732 installation problems.
1734 2001-03-21 Kazu Hirata <kazu@hxi.com>
1736 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1739 2001-03-20 Jason Merrill <jason@redhat.com>
1741 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1743 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1744 * varasm.c (CHKR_PREFIX): Likewise.
1746 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1748 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1749 is part of a multi-SET insn.
1751 * cse.c (find_comparison_args): Remove previous change.
1752 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1755 * config/i386/i386.md (conditional_trap): Remove warning.
1757 * recog.c (push_operand): Fix error in last change that caused
1758 undefined symbol on many targets.
1760 * sdbout.c: #include ggc.h.
1761 (sdbout_init): Move to end of file.
1762 Call ggc_add_tree_root for anonymous_types.
1763 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1764 (sdbout_one_type): Use DECL_NAME for field name.
1765 * Makefile.in (sdbout.o): Show includes ggc.h.
1767 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1769 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1770 (override_options): Use properlimits for preferred_stack_boundary.
1771 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1773 (ext_register_operand): Accept DImode.
1774 (load_pic_register): Abort on 64bit.
1775 (gen_push): Use Pmode instead of SImode.
1776 (ix86_save_reg): Pic reg is never used on 64bit.
1777 (ix86_expand_prologue): Likewise.
1778 (ix86_emit_save_regs): Use Pmode instead of SImode.
1779 (legitimate_address_p): Check displacement for 64bit.
1780 (print_operand): Avoid outputting of (%rip) on 64bit.
1781 (print_operand_address): Output (%rip) where possible.
1782 (split_di): Abort on 64bit registers.
1783 (ix86_expand_branch): DImode comparison is simple for x86_64.
1784 (memory_address_length): Recognize memory addresses formed using
1786 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1788 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1790 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1792 * recog.c (push_operand): Recognize new format of push instructions.
1794 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1796 * i386.md (pushqi1): New.
1797 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1798 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1799 x86_64_immediate_operand, x86_64_immediate_operand,
1800 x86_64_zext_immediate_operand): Declare.
1801 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1802 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1803 x86_64_immediate_operand, x86_64_immediate_operand,
1804 x86_64_zext_immediate_operand): define.
1805 * i386.h (PREDICATE_CODES): Add new predicates.
1807 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1809 * i386.md (pophi1, popqi1, pushqi1): Remove.
1811 * expr.c (emit_single_push_insn): New function.
1812 (move_by_pieces): Accept NULL as destination for push instructions.
1813 (gen_push_operand): Kill.
1814 (emit_push_insn): Pass NULL when pushing; avoid updating of
1815 stack_pointer_delta.
1816 * expr.h (gen_push_operand): Kill.
1818 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1820 * rtl.texi (COMPARE): Clarify documentation and reference section
1823 2001-03-20 Stan Shebs <shebs@apple.com>
1825 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1826 (get_object_reference): Ditto.
1827 (error_with_ivar): Use error_with_file_and_line.
1828 (warn_with_method): Use warning_with_file_and_line.
1830 2001-03-20 Tom Tromey <tromey@redhat.com>
1832 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1834 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1836 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1837 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1839 2001-03-20 DJ Delorie <dj@redhat.com>
1841 * Makefile.in (install-libgcc): Pass complete list of variables.
1842 (install-multilib): Ditto.
1844 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1846 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1847 drectve_section, switch_to_section.
1849 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1850 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1851 i386_pe_mark_dllimport.
1853 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1855 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1856 functions i386_pe_*.
1858 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1859 i386_pe_* functions with char * arguments.
1861 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1863 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1865 (movsi_ie): Introduce fpul store.
1867 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1869 * Makefile.in (OBJS): Remove hashtab.o.
1871 2001-03-19 Stan Shebs <shebs@apple.com>
1873 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1874 * c-lang.c (maybe_objc_method_name): Ditto.
1875 * c-tree.h (maybe_objc_method_name): Remove decl.
1877 2001-03-19 Tom Tromey <tromey@redhat.com>
1879 * gcc.c (init_gcc_specs): Fix comment.
1881 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1883 Compute DECL_ASSEMBLER_NAME lazily.
1884 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1885 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1886 (SET_DECL_ASSEMBLER_NAME): Likewise.
1887 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1888 (set_decl_assembler_name): Declare.
1889 (lang_set_decl_assembler_name): Likewise.
1890 * tree.c (lang_set_decl_assembler_name): New variab.e
1891 (set_decl_assembler_name): New function.
1892 (init_obstacks): Set lang_set_decl_assembler_name.
1893 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1894 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1895 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1896 where it's not necessary.
1897 (builtin_function): Likewise.
1898 (finish_decl): Likewise.
1899 * dbxout.c (dbxout_type_methods): Likewise.
1900 * ggc-common.c (ggc_mark_trees): Likewise.
1901 * profile.c (output_func_start_profiler): Likewise.
1902 * varasm.c (make_decl_rtl): Likewise.
1904 * cse.c (find_comparison_args): Update documentation. Fix
1905 mishandling of COMPARE operations.
1907 * tree.def (ABS_EXPR): Add documentation.
1908 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1910 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1912 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1914 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1916 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1917 Remove ia32 linux PIC kludge and move it...
1918 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1920 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1922 * i386.md (absdf2 expander): Fix 64bit case.
1924 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1926 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1928 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1930 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1932 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1934 * README.X11: Remove obsolete file.
1936 2001-03-18 Anthony Green <green@redhat.com>
1938 * config/pj/pj.h: Remove some trailing commas.
1939 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1941 2001-03-18 Richard Henderson <rth@redhat.com>
1943 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1944 * calls.c: ... here.
1945 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1946 defaults for them here.
1948 2001-03-17 Anthony Green <green@redhat.com>
1950 * config/pj/lib1funcs.S: Fix broken comment.
1951 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1954 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1956 * gcc.texi: Remove obsolete information relating to build and
1957 installation problems with enquire or the Pyramid C compiler.
1959 2001-03-17 Richard Henderson <rth@redhat.com>
1961 * dwarf2out.c (queue_reg_save): New.
1962 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1963 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1965 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1966 (cfa, cfa_store, cfa_temp): Make static.
1967 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1969 2001-03-17 Richard Henderson <rth@redhat.com>
1971 * integrate.h (struct inline_remap): Add local_return_label.
1972 * integrate.c (expand_inline_function): Initialize it and emit
1973 it after copy_insn_notes.
1974 (copy_insn_list): Don't store local_return_label here.
1975 (copy_insn_notes): New function split out from copy_insn_list.
1977 2001-03-17 Richard Henderson <rth@redhat.com>
1979 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1980 is generating .debug_line.
1981 (dwarf2out_init): Add main_input_filename to the file table first.
1982 * configure.in (as_dwarf2_debug_line): Test with file number 1
1983 instead of file number 0.
1985 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1987 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1988 (gen_rtx_combine): Deleted; all references changed as appropriate.
1989 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1991 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1993 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1995 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1998 2001-03-16 Jim Wilson <wilson@redhat.com>
2000 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2001 then set it to LOC_REG (79) instead of aborting.
2003 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2005 * gccbug.in: Remove high priority.
2007 2001-03-16 Richard Henerson <rth@redhat.com>
2009 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2010 output with a space instead of deleting it.
2011 * configure: Regenerate.
2013 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2015 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2016 handles the gory details of converting an object file into
2017 something that's safe to grep.
2018 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2019 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2020 newlines at either end of the string we're looking for.
2021 Make 'checking ...' message less stilted.
2022 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2023 ARM in-memory layout and its hypothetical converse. Don't
2024 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2025 HOST_WORDS_BIG_ENDIAN.
2027 * configure.in: Adjust for renamed macro. Move
2028 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2029 * configure, config.in: Regenerate.
2031 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2033 * fixinc/Makefile.in: Set SHELL.
2035 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2037 * fixinc/fixincl.c (fix_with_system): Quote file names before
2038 passing them to shell.
2040 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2042 * Makefile.in: Use fix-header$(build_exeext) instead
2045 2001-03-16 Richard Henderson <rth@redhat.com>
2047 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2048 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2049 (size_of_line_prolog): Remove.
2050 (output_line_info): Compute prologue size via label difference.
2051 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2053 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2054 assembler error when redefining file numbers.
2055 * config.in, configure: Rebuild.
2057 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2058 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2059 (dw2_asm_output_delta_uleb128): Likewise.
2060 (dw2_asm_output_delta_sleb128): Similarly.
2061 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2063 2001-03-16 Michael Meissner <meissner@redhat.com>
2065 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2067 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2069 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2071 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2072 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2073 being unsigned in ISO C and signed in traditional.
2074 (expand_prologue): Ditto.
2075 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2077 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2079 (divsi3,divdi3): Ditto.
2080 (modsi3,moddi3): Ditto.
2081 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2082 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2083 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2086 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2088 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2089 SSE based conditional moves on LTGT/UNEQ conditions;
2090 Canonicalize EQ to NE.
2091 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2092 (sse_mov?fcc_ne): New.
2094 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2096 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2098 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2099 register may be dead.
2101 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2103 * Makefile.in (hash.o): Depend on CONFIG_H.
2105 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2107 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2109 2001-03-15 Richard Henderson <rth@redhat.com>
2111 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2112 (ASM_OUTPUT_DWARF_PCREL): New.
2113 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2115 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2117 * cppfiles.c (stack_include_file): Use MAX of sysp.
2119 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2121 * config.gcc (ia64*-*-hpux*): New case.
2122 * config/ia64/hpux.h: New file for HP-UX support.
2123 * config/ia64/t-hpux: New file for HP-UX support.
2125 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2127 * fixinc/inclhack.def (irix_stdio_va_list): New.
2128 * fixinc/fixincl.x: Rebuilt.
2130 2001-03-15 Richard Henderson <rth@redhat.com>
2132 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2133 if provided by the target.
2134 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2135 (dw2_asm_output_addr): New.
2136 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2137 * dwarf2out.c (output_cfi): Use it for program addresses.
2138 (output_call_frame_info, output_die): Likewise.
2139 (output_aranges, output_line_info): Likewise.
2141 2001-03-15 Bruce Korb <bkorb@gnu.org>
2143 * gcc.c(main): make more rigorous
2144 * collect2.c(main): guard against ignoring SIGCHLD
2145 * protoize.c(main): ditto
2146 * gcc/fixinc/fixincl.c(initialize): ditto
2148 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2150 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2151 (sdbout_parms): Likewise.
2153 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2155 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2156 "widen" a destination that is already wider than a word. Also do
2157 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2159 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2161 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2163 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2165 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2167 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2169 * i960.h (i960_maxbitalignment,
2170 i960_last_maxbitalignment): Declare.
2171 * i960.c (i960_maxbitalignment,
2172 i960_last_maxbitalignment): Make global.
2173 (process_pragma): Delete.
2174 (i960_pr_align, i960_pr_noalign): Move from here ...
2175 * i960-c.c: ... to this new file.
2176 * t-960bare (i960-c.o): New rule.
2177 * t-vxworks960 (i960-c.o): Likewise.
2178 * config.gcc (i960-*-*): Define c_target_objs and
2181 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2183 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2184 without adding in rtx code and mode.
2186 * alias.c (init_alias_analysis): Don't use any rtx whose value
2187 varies as a known value.
2188 Delete a superfluous test.
2190 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2192 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2193 scheduling a stop bit.
2194 (ia64_emit_nops): Correctly handle ASMs.
2196 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2198 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2200 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2202 * cpp.texi: Update documentation for -include and -imacros.
2203 * cppfiles.c (struct include_file): Remove "defined" memeber.
2204 (find_or_create_entry): Make a copy of the file name, and
2206 (open_file): Update to ensure we use the simplified filename.
2207 (stack_include_file): Don't set search_from.
2208 (cpp_included): Don't simplify the path name here.
2209 (find_include_file): New prototype. Call search_from to
2210 get the start of the "" include chain. Don't simplify the
2212 (_cpp_execute_include): New prototype. Move diagnostics to
2213 do_include_common. Update.
2214 (_cpp_pop_file_buffer): Don't set defined.
2215 (search_from): New prototype. Use the preprocessor's cwd
2216 for files included from the command line.
2217 (read_name_map): Don't simplify the pathname here.
2218 * cpphash.h (enum include_type): New.
2219 (struct buffer): Delete search from. New search_cached.
2220 (_cpp_execute_include): Update prototype.
2221 * cppinit.c (do_includes): Use _cpp_execute_include.
2222 * cpplib.c (do_include_common): New function.
2223 (do_include, do_include_next, do_import): Use it.
2225 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2227 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2228 contents of the RTL, to determine the name of the object.
2230 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2232 * tree.h (DECL_RTL): Allocate RTL lazily.
2233 (SET_DECL_RTL): New macro.
2234 (DECL_RTL_SET_P): Likewise.
2235 (COPY_DECL_RTL): Likewise.
2236 (DECL_RTL_IF_SET): Likewise.
2237 * varasm.c (make_decl_rtl): Add assertions about the kind of
2238 declaration we are processing.
2239 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2240 (start_decl): Likewise.
2241 (finish_decl): Likewise.
2242 * c-semantics.c (emit_local_var): Likewise.
2243 * calls.c (expand_call): Likewise.
2244 * dbxout.c (dbxout_symbol): Likewise.
2245 * emit-rtl.c (unshare_all_rtl): Likewise.
2246 (unshare_all_decls): Likewise.
2247 (reset_used_decls): Likewise.
2248 * expr.c (store_constructor): Likewise.
2249 (safe_from_p): Likewise.
2250 (expand_expr): Likewise.
2251 * function.c (put_var_into_stack): Likewise.
2252 (instantiate_decls_1): Likewise.
2253 (assign_parms): Likewise.
2254 (expand_function_start): Likewise.
2255 (expand_function_end): Likewise.
2256 * ggc-common.c (gcc_mark_trees): Likewise.
2257 * integrate.c (function_cannot_inline_p): Likewise.
2258 (copy_decl_for_inlining): Likewise.
2259 (expand_inline_function): Likewise.
2260 (integrate_parm_decls): Likewise.
2261 (integrate_decl_tree): Likewise.
2262 * print-tree.c (print_node): Likewise.
2263 * reg-stack.c (stack_result): Likewise.
2264 * stmt.c (label_rtx): Likewise.
2265 (expand_return): Likewise.
2266 (expand_decl): Likewise.
2267 (expand_decl_cleanup): Likewise.
2268 (expand_anon_union_decl): Likewise.
2269 * toplev.c (check_global_declarations): Likewise.
2270 (rest_of_decl_compilation): Likewise.
2271 * tree.c (simple_cst_equal): Likewise.
2272 * objc/objc-act.c (generate_static_references): Likewise.
2274 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2276 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2277 gcc_AC_C_FLOAT_FORMAT): New macros.
2278 * configure.in: Add AC_PROG_CPP after CC tests;
2279 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2280 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2281 * configure, config.in: Regenerate.
2283 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2284 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2285 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2286 config/i370/xm-linux.h, config/i370/xm-oe.h,
2287 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2288 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2289 config/pa/xm-linux.h, config/pa/xm-pa.h,
2290 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2291 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2292 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2293 config/we32k/xm-we32k.h: Delete.
2295 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2296 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2297 config/vax/xm-vms.h: Don't define any of:
2298 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2300 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2302 * config.gcc: Remove references to deleted files.
2303 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2304 FATAL_EXIT_CODE, which is the same between oe and mvs).
2306 2001-03-14 DJ Delorie <dj@redhat.com>
2307 Vladimir Makarov <vmakarov@redhat.com>
2309 * config/i960/i960.c (i960_function_prologue): Compute size of
2310 frame according to number of registers actually saved there.
2312 2001-03-14 Richard Henderson <rth@redhat.com>
2314 * expr.c (emit_move_insn_1): Fix else if around #endif.
2316 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2319 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2322 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2324 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2325 (override_options): Parse cmodel string.
2326 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2327 * i386.h (TARGET_OPTIONS): Add "cmodel".
2328 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2330 (ix86_cmodel_string, ix86_cmodel): Declare.
2332 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2335 * i386.h (GENERAL_REG_P): Add missing REG_P.
2337 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2339 * configure.in: Use $gcc_cv_as instead of $as.
2340 * configure: Regenerated.
2342 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2344 * cppfiles.c (stack_include_file): Only increase the include
2345 count if we actually process the file properly, as opposed
2346 to treating it as length zero. Only call read_include_file
2347 if not DO_NOT_REREAD. Handle the -H include file output
2349 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2350 (cpp_included, find_include_file): Simplify pathnames after
2351 remapping them. If remapping, don't use the remapped file
2352 name's buffer as our scratch buffer.
2353 (cpp_pop_file_buffer): Replace the multiple include macro
2354 only if it isn't yet set.
2355 (read_name_map): Simplify remapped names when reading in.
2356 (remap_filename): Move code to code path that uses it.
2357 (_cpp_simplify_pathname): Return the input pointer.
2358 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2360 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2362 * expr.c (expand_expr): Revove bogus conditional.
2364 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2366 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2368 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2370 * reg-stack.c (stack_result): Unconditionally use
2371 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2373 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2375 * expr.c (emit_move_insn_1): Split push of complex value when
2376 no suitable push instruction exist.
2378 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2379 instead of QI_REG_P.
2381 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2383 * alias.c (handled_component_p, can_address_p): New functions.
2384 (get_alias_set): Use them.
2386 2001-03-13 Jim Wilson <wilson@redhat.com>
2388 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2389 from 80 in try_locals code.
2390 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2392 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2394 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2395 gcc_AC_C_LONG_LONG): New.
2396 * configure.in: Use them. Probe the size of short, int, long,
2397 and long long/__int64 if we have them. Move all the AC_C_*
2398 checks together, except gcc_AC_C_CHAR_BIT which has to go
2399 after AC_CHECK_HEADERS(limits.h).
2400 Take hwint.h out of host_xm_file and build_xm_file.
2402 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2403 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2404 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2405 Move the HOST_WIDEST_INT setup logic here from system.h.
2406 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2408 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2409 is now handled by hwint.h.
2411 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2412 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2413 config/ia64/xm-ia64.h: Don't define any of:
2414 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2415 HOST_BITS_PER_LONGLONG.
2417 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2418 config/h8300/xm-h8300.h, config/mips/iris6.h,
2419 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2420 config/sparc/xm-sp64.h: Delete.
2421 * config.gcc: Remove references to deleted files.
2423 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2424 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2425 * config/i370/xm-linux.h: Clarify floating-point situation in
2428 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2430 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2431 (find_include_file): Decide here which part of the include
2432 chain to start the search. Complain about an empty include
2433 chain in all cases apart from an abolsute file name.
2434 (_cpp_execute_include): Don't choose the search chain here.
2435 Don't call handle_missing_include in the case of an empty
2437 (_cpp_compare_file_date): Don't choose the search chain here.
2438 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2439 here from _cpp_execute_include. Behave like #include if
2440 we're in the main file.
2442 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2444 * system.h (malloc, realloc, calloc, strdup): Only poison these
2445 tokens when IN_GCC is defined.
2447 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2449 * i386.md (abs?f expander): Support SSE case.
2450 (abd?f_if): Add new "USE"; add splitters.
2452 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2454 * cpp.texi (poison): Explain the macro expansion exception.
2456 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2458 * expr.c (store_expr): Add dont_store_target. If temp is already in
2459 target before copying to reg, don't store it into target again.
2461 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2463 * cppinternals.texi: Update for file handling.
2465 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2467 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2468 2001-02-24 which broke building the Java library.
2469 * function.c (identify_blocks): Likewise.
2470 (all_blocks): Likewise.
2471 * integrate.c (integrate_decl_tree): Likewise.
2472 * print-tree.c (print_node): Likewise.
2473 * tree.h (BLOCK_NUMBER): Likewise.
2474 (struct tree_block): Likewise.
2476 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2478 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2479 __WCHAR_TYPE__ definition.
2480 (WCHAR_TYPE_SIZE): #undef before #define.
2482 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2484 * cppfiles.c: Update comments.
2485 (destroy_include_file_node): Rename destroy_node.
2486 (find_or_create_entry): New function.
2487 (open_file, _cpp_fake_include): Use it.
2488 (handle_missing_header): New function, broken out of
2489 _cpp_execute include. Don't segfault if there is no
2490 system or quoted path.
2491 (_cpp_execute_include): Use handle_missing_header.
2493 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2495 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2496 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2498 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2500 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2501 unless anti_dependence says they are.
2502 * alias.c (objects_must_conflict): If neither has a type specified,
2505 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2506 David Billinghurst <David.Billinghurst@riotinto.com>
2508 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2510 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2512 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2513 (*_one_bit): Remove type on the match_operand in attributes.
2515 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2517 * i386.c: Commit forgotten hunk in previous patch.
2518 (regclass_map): Add extended registers.
2519 (dbx_register_map): Add missing frame register.
2521 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2523 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2525 * i386.md (x86_sahf_1): Disable for 64bit.
2526 (popsi*, pophi*): Likewise.
2527 (pushqi, pushhi): Likewise.
2528 (movdi, pushdi): Likewise.
2529 (zero extend DImode splitter): Likewise.
2530 (adddi, minusdi splitter): Likewise.
2531 (umulsidi): Likewise.
2533 (mulsidi): Disable for 64bit
2534 (lshift:DI/ashift:DI): Disable for 64bit.
2535 (loop patterns): Likewise.
2536 (call_pop, call_value_pop expanders and patterns): Likewise.
2537 (prologue_get_pc): Likewise.
2539 (fcmovDI pattern and splitter): Likewise.
2540 (movdfcc_1_rex64): New.
2542 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2544 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2545 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2546 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2547 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2548 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2549 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2550 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2551 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2552 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2553 (REGPARM_MAX): Set to 6 for x86_64.
2554 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2555 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2558 * (patterns that does use upper halves): Update constraints
2559 'q' to 'Q' and 'r' to 'R'.
2560 (cmpqi_ext_1): Disable for 64bit.
2561 (cmpqi_ext_3_insn): Likewise.
2562 (movqi_extzv_1): Likewsie.
2563 (addqi_ext_1): Liekwsie
2564 (testqi_ext_1): Liekwsie
2565 (andqi_ext_1): Liekwsie
2566 (xorqi_ext_1): Liekwsie
2567 (cmpqi_ext_1_rex64): New.
2568 (cmpqi_ext_3_insn_rex64): Likewise.
2569 (movqi_extzv_1_rex64): Likewsie.
2570 (addqi_ext_1_rex64): Liekwsie
2571 (testqi_ext_1_rex64): Liekwsie
2572 (andqi_ext_1_rex64): Liekwsie
2573 (xorqi_ext_1_rex64): Liekwsie
2575 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2577 * configure.in: Move check for unsigned enumerated bitfields
2578 to macro in aclocal.m4. Disable it for now.
2579 * configure, config.in: Regenerate.
2580 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2581 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2582 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2583 kind above its first use.
2585 * config/xm-interix.h, config/alpha/xm-alpha.h,
2586 config/i370/xm-linux.h, config/i386/xm-beos.h,
2587 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2588 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2589 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2590 Don't define ONLY_INT_FIELDS under any circumstances.
2592 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2594 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2595 config/sparc/xm-sysv4.h: Delete - now identical with some
2597 * config.gcc (hppa targets): Replace xm-pahpux.h and
2598 xm-papro.h with implicit xm-pa.h.
2599 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2602 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2604 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2605 before reload_cse_noop_set_p.
2607 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2609 * config.gcc: Where xm-host.h used to include another
2610 xm-host.h, list the nested header directly in xm_file. Remove
2611 references to deleted files. Can now use sparc/xm-sp64.h for
2614 * config/xm-linux.h, config/arm/xm-linux.h,
2615 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2616 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2617 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2618 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2619 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2622 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2623 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2624 bother to wrap #undef in #ifdef.
2625 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2626 Don't include xm-linux.h.
2627 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2629 * configure.in: Wrap regexps using [] in changequote block.
2630 Use expr : not echo | grep. Simplify regexps.
2631 * configure: Regenerate.
2633 56 xm-files remain, 22 xm-arch.
2635 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2637 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2638 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2639 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2640 (copy_object): Fix format specifier vs argument mismatch.
2642 * mips-tdump.c: Make local functions static.
2643 (rindex): Don't #undef.
2644 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2645 (fatal, fancy_abort): Delete.
2646 (read_seek): Avoid signed/unsigned compare.
2648 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2650 * combine.c (try_combine): Fix error in change to try original
2652 (gen_rtx_combine): Do same as gen_rtx for now.
2654 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2656 * configure.in: AC_SUBST xm_defines.
2657 * configure: Regenerate.
2658 * Makefile.in: Set DEFINES=$(xm_defines) when building
2661 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2663 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2664 (cpp_included, find_include_file): Update.
2665 (_cpp_compare_file_date): Make else unconditional.
2667 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2669 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2671 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2673 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2674 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2676 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2678 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2679 if it's a record type.
2681 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2683 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2684 mingw includes slightly.
2686 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2688 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2689 #undef token before poisoning it.
2691 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2693 * alpha.c (check_float_value): Use memcpy, not bcopy.
2695 * m32r.c (m32r_sched_reorder): Likewise.
2697 * vax.c (check_float_value): Likewise.
2699 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2701 * toplev.c (file_name_nondirectory): Remove.
2702 * toplev.h: Similarly.
2703 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2704 of file_name_nondirectory.
2706 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2708 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2709 * mips-tfile.c: Don't #undef rindex; not used.
2711 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2713 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2714 (dbx64_register_map): Declare.
2715 (RETURN_ADDR_RTX): Fix for 64bit.
2716 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2717 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2718 * i386.c (dbx64_register_map): New global array.
2719 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2720 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2723 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2725 * cppfiles.c (search_from): Use lbasename.
2726 * mkdeps.c (deps_add_default_target): Use lbasename.
2728 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2730 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2731 xcalloc in lieu of malloc, realloc & calloc.
2733 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2735 * gengenrtl.c (xmalloc): Likewise.
2737 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2738 really_call_* memory allocation routines.
2740 * stmt.c (check_for_full_enumeration_handling): Use
2741 really_call_calloc, not calloc.
2743 * system.h (really_call_malloc, really_call_calloc,
2744 really_call_realloc): Define.
2745 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2747 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2749 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2751 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2753 * configure: Rebuilt.
2754 * configure.in: Only use `lang_requires' for languages athat are
2757 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2759 * invoke.texi: Fix typo.
2760 * gcc.1: Regenerate.
2762 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2764 * configure.in: Prune nonexistent files from build_xm_file,
2765 xm_file, and host_xm_file lists. Warn unless they're
2767 Don't generate *config.h here.
2768 AC_SUBST all variables needed to generate *config.h.
2769 * configure: Regenerate.
2770 * mkconfig.sh: New helper script, from code removed from
2772 * Makefile.in: Zap all MALLOC variables - no longer used
2773 anywhere, and malloc.c doesn't exist.
2774 Substitute in variables needed to generate *config.h.
2775 Stop lying about the dependencies contained in CONFIG_H and
2777 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2778 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2779 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2780 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2781 $(TM_P_H), etc. as appropriate.
2783 * config.gcc: Zap references to deleted files.
2784 * ggc-none.c: Don't include rtl.h or tm_p.h.
2786 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2787 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2788 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2789 config/i386/xm-linux.h, config/i386/xm-linux.h,
2790 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2791 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2792 Don't include i386/xm-i386.h.
2794 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2795 config/i386/xm-i386.h, config/i860/xm-i860.h,
2796 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2797 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2798 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2799 Delete (empty except comments, #includes of other deleted
2800 files, and macros used nowhere).
2802 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2804 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2805 independent on TARGET_FLAGS.
2807 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2809 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2811 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2813 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2815 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2816 LAST_REX_SSE_REG): define.
2817 (enum reg_class): Add 'LEGACY_REGS'
2818 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2819 (SSE_REGNO_P): Recognize extended registers.
2820 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2821 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2822 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2823 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2824 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2825 REG_OK_FOR_STRREG_P): Remove.
2826 (HI_REGISTER_NAMES): Add extended registers.
2827 (ADDITIONAL_REGISTER_NAMES): Likewise.
2828 (QI_REGISTER_NAMES): Add 8bit extended registers.
2829 (DEBUG_REG): Support extended registers.
2830 * i386.c (regclass_map): Add extended registers.
2831 (dbx_register-map): Likewise.
2832 (svr4_dbx_register_map): Likewise.
2833 (print_reg): Support extended registers.
2834 (print_operand): Support 64bit operands.
2836 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2838 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2839 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2840 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2841 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2842 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2843 STACK_BOUNDARY): Set properly for 64bits.
2844 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2845 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2846 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2847 (MOVE_MAX): Set to 16.
2848 (MOVE_MAX_PIECES): 8 for 64bit.
2849 (Pmode): Set to SImode.
2851 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2853 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2855 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2857 * i386.h (mask_64bit): New constant.
2858 (target_64bit): New macro.
2859 (target_options): Add '64'/'32'
2860 (target_default): Define.
2861 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2862 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2863 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2865 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2867 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2869 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2871 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2872 LO_SUM unless for_alias is set.
2874 2001-03-08 Stan Shebs <shebs@apple.com>
2876 * objc/objc-act.c: Fix old typos in comments, add comments for
2878 (hash_init): Fix file name in error message.
2879 (hash_enter): Ditto.
2880 (hash_add_attr): Ditto.
2881 (continue_class): Ditto.
2883 2001-03-08 Bruce Korb <bkorb@gnu.org>
2885 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2886 wait4() can receive the signal.
2888 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2890 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2892 * fixinc/fixincl.x: Regenerate.
2894 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2896 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2898 * fixinc/fixincl.x: Regenerate.
2900 2001-03-08 Richard Henderson <rth@redhat.com>
2902 * configure.in (HAVE_AS_LEB128): New assembler check.
2903 * configure, config.in: Rebuilt.
2905 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2907 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2910 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2912 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2913 references to the MAXPATHLEN macro.
2915 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2916 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2919 * config/i386/xm-gnu.h, config/xm-gnu.h,
2920 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2921 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2922 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2923 and/or unused files.
2925 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2926 doing so in various xm-*.h files.
2928 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2930 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2932 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2934 * configure.in (enable_shared): Support per-package shared-library
2936 * configure: Rebuilt.
2938 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2940 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2941 for crnot. Set operands[5] in splitter.
2943 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2945 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2946 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2947 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2948 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2949 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2950 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2951 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2954 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2955 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2956 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2957 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2958 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2959 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2960 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2961 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2962 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2963 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2964 Delete unused and/or empty files.
2966 * config.gcc: Define USG in xm_defines as appropriate. Define
2967 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2968 macro. Remove deleted xm-* files from $xm_files variable.
2970 2001-03-07 Tom Tromey <tromey@redhat.com>
2972 * configure: Rebuilt.
2973 * configure.in: Allow config-lang.in to set `lang_requires' to list
2974 of other required languages.
2976 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2978 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2980 (output_prologue): Use xmalloc not oballoc.
2981 (output_epilog): Free a29k_first_epilogue_insn when finished.
2982 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2984 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2986 * builtins.c (expand_builtin_mathfn): Check
2987 flag_unsafe_math_optimizations, not flag_fast_math.
2988 (expand_builtin): Likewise
2989 * combine.c (combine_simplify_rtx): Likewise.
2990 (simplify_if_then_else): Likewise.
2991 * cse.c (fold_rtx): Likewise.
2992 * flags.h: Remove flag_fast_math. Add
2993 flag_unsafe_math_optimizations and flag_trapping_math.
2994 * fold-const.c (negate_expr): Check
2995 flag_unsafe_math_optimizations, not flag_fast_math.
2996 (invert_truthvalue): Likewise.
2997 (fold): Likewise. Before associating operands, check that
2998 code == MULT_EXPR, not code != MULT_EXPR.
2999 * ifcvt.c (noce_try_minmax): Check
3000 flag_unsafe_math_optimizations, not flag_fast_math.
3001 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3002 * invoke.texi: Document -funsafe-math-optimizations and
3003 -fno-trapping-math. Change documentation for -ffast-math.
3004 * jump.c (reversed_comparison_code_parts): Likewise.
3005 (rtx_equal_for_thread_p): Likewise.
3006 * optabs.c (emit_conditional_move): Likewise.
3007 * simplify-rtx.c (simplify_binary_operation): Likewise.
3008 (simplify_relational_operation): Likewise.
3009 (simplify_ternary_operation): Likewise.
3010 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3011 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3012 Add trapping-math and unsafe-math-optimizations entries to f_options.
3013 (set_fast_math_flags): New, sets flags for -ffast-math.
3014 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3015 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3016 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3018 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3019 (alpha_emit_conditional_move): Initialize local_fast_math to
3020 flag_unsafe_math_optimizations, not flat_fast_math.
3021 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3022 instead of setting flag_fast_math to 1.
3023 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3025 * config/i386/i386.c (override_options): Likewise
3026 * config/i386/i386.md: Likewise.
3027 * config/m68k/m68k.md: Likewise.
3028 * config/mips/mips.md: Likewise.
3029 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3030 (rs6000_generate_compare): Likewise.
3032 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3034 * Makefile.in: Set RANLIB to @RANLIB@.
3037 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3039 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3040 * fixinc/fixincl.x: Regenerated.
3042 2001-03-07 Richard Henderson <rth@redhat.com>
3044 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3046 2001-03-07 Richard Henderson <rth@redhat.com>
3048 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3049 of block notes and exception handling notes.
3051 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3052 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3053 (compile_file): ... here.
3055 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3057 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3059 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3060 config.h now. Include libiberty.h to handle alloca.
3062 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3064 * c-parse.in (yylexname): New function, split out of _yylex.
3065 (objc_rid_sans_at): New table.
3066 (init_reswords): Initialize it.
3067 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3068 retrieving the next token and checking it for significance as
3069 an ObjC keyword or string constant.
3071 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3072 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3074 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3077 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3079 * config/m68k/m68k.c (const_uint32_operand): Accept any
3080 const_int on a 32-bit host.
3082 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3084 * objc/objc-act.c (init_objc): Set save_lang_status,
3085 restore_lang_status, and mark_lang_status.
3087 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3089 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3091 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3093 * cppinternals.texi: Update.
3095 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3097 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3098 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3099 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3100 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3101 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3102 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3103 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3104 config/i386/xm-i386.h, config/i860/xm-i860.h,
3105 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3106 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3107 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3108 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3109 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3110 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3111 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3112 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3113 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3114 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3115 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3116 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3117 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3118 match the defaults provided in hwint.h.
3120 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3121 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3123 * config.gcc (xm_file): Don't set to files which are deleted.
3125 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3126 guard this file against these macros being undefined.
3128 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3130 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3131 and DECL_DEFER_OUTPUT on the decl we create, before calling
3132 rest_of_decl_compilation.
3134 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3136 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3138 * configure, config.in: Regenerate.
3139 * config.gcc: Remove references to deleted files.
3141 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3142 genrecog.c, rtl.c: Do not use alloca anywhere.
3144 * Makefile.in, build-make, system.h, config/x-interix,
3145 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3146 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3147 config/arc/xm-arc.h, config/arm/xm-arm.h,
3148 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3149 config/h8300/xm-h8300.h, config/i370/x-oe,
3150 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3151 config/i386/x-ncr3000, config/i386/x-sco5,
3152 config/i386/xm-dgux.h, config/i860/x-sysv4,
3153 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3154 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3155 config/m68k/x-hp320g, config/m69k/x-mot3300,
3156 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3157 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3158 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3159 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3160 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3161 config/mips/x-iris, config/mips/x-iris3,
3162 config/mips/x-sni-svr4, config/mips/x-sysv,
3163 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3164 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3165 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3166 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3167 config/pa/xm-papro.h, config/romp/xm-romp.h,
3168 config/rs6000/x-aix31, config/rs6000/x-aix41,
3169 config/rs6000/x-beos, config/rs6000/x-lynx,
3170 config/rs6000/x-mach, config/rs6000/x-rs6000,
3171 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3172 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3173 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3174 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3175 config/vax/xm-vms.h: Eradicate all references to alloca and
3178 * config/xm-alloca.h, config/clipper/x-clix,
3179 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3180 config/i860/x-sysv3, config/m88k/x-sysv3,
3181 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3182 (contained only alloca related hacks).
3184 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3187 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3189 * invoke.texi: Document __FAST_MATH__.
3191 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3193 * crtstuff.c: Restore include of auto-host.h.
3195 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3197 Put main() in a separate file, so that the language
3198 front-end can use a different main().
3201 * toplev.c: (main): Rename as toplev_main.
3202 * toplev.h: Declare toplev_main.
3203 * Makefile.in (OBJS): add toplev.o.
3204 (BACKEND): remove toplev.o, add main.o.
3206 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3208 * cppfiles.c (search_from): Special case the empty string.
3210 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3212 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3213 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3214 strlen or strcpy; we already know the length.
3215 (_cpp_compare_file_date): Similarly.
3216 * cpphash.h (struct cpp_reader): Delete done_initialising.
3217 (CPP_PREV_BUFFER): Delete.
3218 * cppinit.c (cpp_start_read): Don't set done_initialising.
3219 * cpplex.c (parse_string): Guarantee null-termination.
3220 (_cpp_equiv_toklists): Remove.
3221 * cpplib.c (glue_header_name): Null-terminate.
3222 (do_line): Don't leak memory.
3223 * cpplib.h (BT_WEAK): Delete.
3224 * cppmain.c (cb_ident): Strings are now null-terminated.
3226 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3228 * gcc.c (convert_filename): Append executable suffix
3229 if NO_AUTO_EXE_SUFFIX is not defined.
3230 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3231 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3233 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3235 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3236 * c-parse.gperf, c-gperf.h: Delete.
3237 (c-gperf.h was accidently re-added to the CVS repo in the rev
3238 1.16 commit by tromey)
3240 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3242 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3243 macro arguments when looking for the '('.
3244 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3245 2 when really parsing arguments; 1 when looking for '('.
3246 Always restore the lexer position.
3248 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3250 * longlong.h (umul_ppmm): Don't use a multiline string.
3252 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3254 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3255 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3256 t_bool in declaration because pcc can't combine volatile with typedef
3259 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3261 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3262 until when it is really needed.
3263 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3264 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3265 * i386.md (float?i?f splitter): Don't force source operand to memory
3267 (sse_movdfcc): Fix constraint.
3268 (sse_movdfcc splitter): Handle properly the second alternative.
3270 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3272 * cpplex.c (parse_string): Unconditionally pedwarn.
3274 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3277 * cppexp.c (parse_number): Update.
3278 * cpplex.c (parse_string): Pedwarn if multiline string does not
3279 result from a system header's macro.
3280 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3281 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3282 for function-like macros too.
3283 * c-lex.c (lex_number): Update.
3285 2001-03-03 Richard Henderson <rth@redhat.com>
3287 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3289 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3291 * combine.c (try_combine): If split with mode-changed scratch
3292 register didn't work, try the original mode.
3294 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3296 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3297 * config/c4x/c4x.h: Likewise.
3298 * stor-layout.c (compute_record_mode): Likewise.
3299 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3301 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3303 * configure.in: Kill tm.h. Include the files in the $tm_file
3304 list in all three of config.h, hconfig.h, tconfig.h, after the
3305 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3306 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3307 * configure: Regenerate.
3308 * Makefile.in (clean): Don't delete tm.h.
3310 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3311 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3312 those are not defined, set SEC and FEC to 0 and 1.
3313 * gcc.texi: Update to match.
3315 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3316 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3317 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3318 Include tconfig.h, not tm.h.
3320 * config/xm-lynx.h, config/xm-std32.h,
3321 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3322 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3323 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3324 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3325 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3326 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3327 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3328 config/i386/xm-i386.h, config/i860/xm-i860.h,
3329 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3330 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3331 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3332 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3333 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3334 config/pa/xm-linux.h, config/pa/xm-pa.h,
3335 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3336 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3337 config/pj/xm-pj.h, config/romp/xm-romp.h,
3338 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3339 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3340 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3341 config/v850/xm-v850.h, config/vax/xm-vax.h,
3342 config/we32k/xm-we32k.h:
3344 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3346 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3347 config/i370/xm-oe.h: Don't include tm.h. Don't define
3349 * config/vax/xm-vms.h: Don't include tm.h.
3351 * config/xm-lynx.h, config/avr/xm-avr.h,
3352 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3353 Delete; made empty by above changes.
3354 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3355 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3356 Don't include config/xm-lynx.h or tm.h.
3358 * config/xm-gnu.h: Don't include fcntl.h.
3359 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3361 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3363 2001-03-02 Richard Henderson <rth@redhat.com>
3365 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3366 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3368 2001-03-02 Richard Henderson <rth@redhat.com>
3370 * Makefile.in (OBJS): Add dwarf2asm.o.
3371 * dwarf2asm.c, dwarf2asm.h: New files.
3372 * dwarf2out.c (*): Use them.
3373 (size_of_uleb128, size_of_sleb128): Remove.
3374 (output_uleb128, output_sleb128): Remove.
3375 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3376 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3377 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3378 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3379 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3380 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3381 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3382 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3383 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3384 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3385 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3386 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3387 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3388 (dwarf2out_frame_debug): Remove unused variables.
3389 (output_loc_operands): Don't abort on 8 byte constants if
3390 host integers are wide enough.
3391 (output_symbolic_ref): Remove.
3392 (size_of_die): Don't assume 4 byte host integers.
3393 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3395 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3396 something stupid with HOST_WIDE_INT to long truncation.
3397 [CONST_DOUBLE]: Likewise.
3399 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3400 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3401 * config/arm/unknown-elf.h: Likewise.
3402 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3403 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3404 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3405 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3406 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3407 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3408 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3409 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3410 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3411 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3412 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3413 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3415 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3417 * cselib.c (hash_rtx): Cast enums to unsigned int.
3419 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3421 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3422 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3424 * c-format.c (C_STD_VER): Cast to int for comparisons.
3425 (check_function_format): Cast various enums to int for &.
3426 (maybe_read_dollar_number): Likewise.
3427 (check_format_info): Likewise.
3428 (check_format_info_main): Likewise.
3429 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3430 (safe_from_p): Likewise.
3431 * varasm.c (const_hash): Cast enum to int for %.
3432 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3433 pcc enum problems with < and ++ operators.
3434 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3435 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3436 (regclass_init): Change enum class to int to iterate over reg_classes.
3437 * genrecog.c (merge_trees): Cast enums for comparison.
3438 * rtl.h (GET_CODE): Cast to enum rtx_code.
3439 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3440 (GET_MODE): Cast to enum machine_mode.
3441 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3442 (GET_NOTE_INSN_NAME): Cast enum to int.
3443 * tree.h (TREE_CODE): Cast to enum tree_code.
3444 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3445 * timevar.c (timevar_print): Change loop variable id from enum to
3447 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3448 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3449 * toplev.c (compile_file): Cast enum DFI to int.
3450 (decode_d_option): Likewise.
3452 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3454 * cppinit.c (append_include_chain): Mark "after" include file name list
3455 as a system directory.
3456 * cpp.texi: Document new behavior.
3458 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3460 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3462 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3464 * cppfiles.c (struct include_file): Update.
3465 (stack_include_file): Use search_from.
3466 (cpp_included, find_include_file): Update.
3467 (cpp_execute_include): Update. ptr->name may not be
3468 null terminated. Use the new search_from member variable
3470 (_cpp_compare_file_date): Similarly.
3471 (search_from): New function, similiar to actual_directory.
3472 (actual_directory): Delete.
3473 (remap_filename): Update. loc->name may not be null terminated.
3474 (struct file_name_list): Rename search_path. Update.
3475 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3476 search_from and dir.
3477 (struct cpp_reader): Remove actual_dirs.
3478 * cppinit.c (struct cpp_pending): Update for renamed objects.
3479 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3480 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3481 * cpplib.h (struct cpp_options): Similarly.
3483 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3485 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3486 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3487 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3488 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3489 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3490 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3491 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3492 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3493 config/i370/xm-oe.h, config/i386/xm-aix.h,
3494 config/i386/xm-i386.h, config/i386/xm-osf.h,
3495 config/i860/xm-i860.h, config/i960/xm-i960.h,
3496 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3497 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3498 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3499 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3500 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3501 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3502 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3503 config/pj/xm-pj.h, config/romp/xm-romp.h,
3504 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3505 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3506 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3507 config/v850/xm-v850.h, config/vax/xm-vax.h,
3508 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3509 Do not define TRUE or FALSE.
3511 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3512 empty by above change.
3513 * config.gcc: Remove references to these files.
3515 * configure.in: Detect stdbool.h.
3516 * configure, config.in: Regenerate.
3517 * system.h: Include stddef.h here if available.
3518 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3519 Then set up a sensible boolean type at the very end.
3521 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3522 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3524 * hash.h: Delete 'boolean' typedef and related #undefs.
3526 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3527 all uses of 'boolean' with 'bool'.
3529 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3531 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3532 * cppexp.c (lex): Cast enums for comparison.
3533 * cppinit.c (parse_option): Cast enum for comparison.
3534 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3535 (cpp_output_token): Likewise.
3536 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3537 (cpp_avoid_paste): Cast enums for minus and comparison.
3539 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3541 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3542 field to all array elements.
3544 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3546 * cpphash.h (struct cpp_reader): Add print_version field.
3547 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3548 just set print_version and other flags as appropriate.
3549 (cpp_post_options): Print version here if print_version is set.
3551 * toplev.c (exit_after_options): New flag.
3552 (independent_decode_option): Don't exit here; just set
3554 (main): Exit after calling lang_hooks.post_options if
3555 exit_after_options is true.
3557 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3558 (merge_include_chains): Adjust comment to match code.
3560 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3562 * stringpool.c (set_identifier): New function.
3563 * tree.h: Prototype it.
3565 * c-parse.in: Kill D_YES. If compiled for objc, call
3566 save_and_forget_protocol_qualifiers from init_reswords.
3567 * objc/objc-act.c (remember_protocol_qualifiers,
3568 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3569 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3571 (save_and_forget_protocol_qualifiers): New function.
3572 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3574 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3576 * c-semantics.c (prune_unused_decls): Return error_mark_node
3577 instead of (tree) 1 to stop traversing the tree chain.
3579 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3581 Fix a problem introduced by Kenner's Feb 18 change.
3582 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3583 flag_cse_skip_blocks only temporarily, not for ever.
3585 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3587 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3588 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3590 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3591 before determining its register class.
3593 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3595 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3596 from reg 4 if current_function_calls_setjmp.
3597 (gen_nop_type): New function.
3598 (ia64_emit_nops): New function.
3599 (ia64_reorg): Call it.
3600 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3602 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3603 code not to try to optimize adds with anything but a REG destination.
3605 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3606 (INSN_PRIORITY_KNOWN): New accessor macro.
3607 * haifa-sched.c (priority): Use it instead of testing priority against
3610 2001-02-28 DJ Delorie <dj@redhat.com>
3612 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3613 since that doesn't work the way gcc wants on a generic m68k.
3615 2001-02-28 Richard Henderson <rth@redhat.com>
3617 * caller-save.c (save_call_clobbered_regs): Fix typo in
3618 comparison last change.
3620 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3622 * i386.c (pentium4_cost): New.
3623 (m_PENT4): New macro.
3624 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3625 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3626 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3627 x86_memory_mismatch_stall): Add Pentium4
3628 (x86_use_q_reg, x86_use_any_reg): Kill.
3629 (override_options): Add pentium4.
3630 (incdec_operand): Return 0 for pentium4.
3631 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3632 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3633 (TARGET_PENTIUM4): Define.
3634 (enum processor_type): Add PROCESSOR_PENTIUM4.
3635 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3636 * i386.md (attribute "cpu"): Add pentium4.
3637 * invoke.texi (march): Add pentium4.
3639 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3641 * i386.md (sse_mov?fcc*): New patterns and splitters.
3642 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3643 the SSE based conditional moves.
3645 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3647 * i386.md (attribute mode): Add "TI".
3648 (movsf_1): Add pxor support; remove constant propagation splitter.
3649 (movdf_integer): Likewise.
3650 (movdf_nointeger): Likewise.
3651 (movxf constant prop splitter): Handle all modes; update for SSE.
3652 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3653 * i386.c (standard_80387_constant_p): Rewrite.
3654 (standard_sse_constant_p): New.
3655 * i386-protos.h (standard_sse_constant_p): New.
3657 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3659 * i386.md (sse_setccsf, sse_setccdf): New.
3660 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3662 * i386.c (sse_comparison_operator): Accept the supported unordered
3663 comparses; be ready for fast_math.
3664 (print_operand): Support 'D'.
3666 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3668 * jump.c (reversed_comparison_code): Kill.
3670 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3672 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3675 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3677 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3678 add missing '%' in constraints.
3680 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3682 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3683 for HOST_BITS_PER_WIDE_INT == 32 too.
3685 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3687 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3689 (insert_save, insert_restore): New parameter save_mode.
3690 (init_caller_save): Update initialization of reg_save_code
3691 and reg_restore_code.
3692 (save_call_clobbered_regs): Compute save_modes and update calls to
3693 reg_save_code and reg_restore_code.
3694 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3695 of spill; update use of reg_restore_code.
3696 (insert_save): Likewise.
3697 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3698 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3699 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3701 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3703 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3704 noce_try_store_flag_inc, noce_try_store_flag_mask,
3705 noce_try_cmove_arith):
3706 Use reversed_comparison_code instead of reverse_comparison and
3707 can_reverse_comparison_p.
3709 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3711 * jump.c (reversed_comparison_code_parts): Allow reversal of
3712 unordered compares in -ffast-math mode; reverse ordered compares
3713 for FP even w/o -ffast-math.
3715 2001-02-27 Richard Henderson <rth@redhat.com>
3717 * print-rtl.c (print_rtx) [i]: Don't print field five on
3718 NOTEs other than NOTE_INSN_DELETED_LABEL.
3720 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3722 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3723 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3725 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3727 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3728 even if walk_subtrees is 0.
3729 * c-semantics.c (prune_unused_decls): Return a non-null value to
3730 stop traversing the tree chain.
3732 2001-02-27 DJ Delorie <dj@redhat.com>
3734 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3735 register, *then* define it as the new CFA.
3737 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3739 * pa.c (override_options): Promote -fpic to -fPIC.
3740 (legitimize_pic_address): Simplify due to removal of
3741 small PIC as a code generation option.
3742 (secondary_reload_class): Similarly.
3743 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3744 (PRINT_OPERAND_ADDRESS): Similarly.
3745 * pa.md (various patterns): Similarly.
3746 (small pic lo_sum pattern): Remove.
3748 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3751 * md.texi (min, max): Document
3753 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3755 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3756 TARGET_PARTIAL_REG_DEPENDENCY.
3757 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3759 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3761 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3763 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3765 * mips.c (mips_make_temp_file): Fix thinko in last change.
3767 2001-02-26 Jason Eckhardt <jle@redhat.com>
3769 * combine.c (known_cond): Do not reverse the condition when
3770 SMAX/UMAX is being considered and the condition is for equality
3773 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3775 2001-02-26 Philip Blundell <philb@gnu.org>
3777 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3779 * config/arm/linux-elf.h: Remove historical relics related to
3780 above configurations.
3781 * config/arm/linux-oldld.h: Delete.
3782 * config/arm/linux-elf26.h: Delete.
3784 2001-02-26 Jason Merrill <jason@redhat.com>
3786 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3788 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3789 recognize a tentative definition. Lose obsolete code.
3791 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3792 variables unless necessary, either.
3794 2001-02-25 Richard Henderson <rth@redhat.com>
3796 * ifcvt.c (struct noce_if_info): Add test_bb.
3797 (noce_get_alt_condition): New.
3798 (noce_try_minmax, noce_try_abs): New.
3799 (noce_operand_ok): New.
3800 (noce_process_if_block): Use them.
3801 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3803 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3805 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3808 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3810 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3811 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3813 (mips_asm_file_end): Free temp_filename here.
3815 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3817 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3818 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3820 * config/i386/i386.md (movstrsi): Handle FAIL case.
3822 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3824 * cppinit.c (builtin_array): Update.
3825 (init_builtins): Flag builtins to warn if redefined or
3826 undefined. Define __GXX_WEAK as a normal macro.
3827 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3828 * cpplib.h (NODE_WARN): New flag.
3829 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3830 Handle __STDC__ as a builtin only on Solaris.
3831 (warn_of_redefinition): Renamed from check_macro_definition.
3832 Reverse sense of test. Always warn if NODE_WARN.
3833 (_cpp_create_definition): Use warn_of_redefinition. Flag
3834 any macro beginning with "__STDC_" to require a mandatory
3835 warning if redefined or undefined.
3837 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3839 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3840 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3841 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3842 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3843 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3844 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3845 Don't define any of:
3846 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3847 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3848 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3849 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3850 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3852 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3853 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3856 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3857 Delete now-empty file.
3859 * alpha/vms.h: Define NEED_ATEXIT here...
3860 * alpha/xm-vms.h: ...not here.
3862 * i386/cygwin.h: Don't define PARAMS.
3863 * mips/mips.c: Don't prototype mktemp. Don't define
3864 P_tmpdir. Use make_temp_file to create temporary files.
3865 Don't be clever and delete temporary files early.
3866 * config.gcc: Drop references to deleted files. Don't define
3868 * gcc.texi: Don't mention USE_PROTOTYPES.
3870 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3872 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3873 (ix86_set_move_mem_attrs_1): Likewise.
3874 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3875 * config/i386/i386.md (movstrsi): Call it.
3877 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3879 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3880 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3881 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3882 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3884 (i750a-*-*): Error here if hosting on i750a.
3885 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3887 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3888 Remove (empty modulo comments).
3890 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3891 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3892 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3893 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3894 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3895 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3897 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3898 Remove reference to winnt.h in comment.
3899 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3901 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3903 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3904 used to set another biv.
3906 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3908 * tree.h (BLOCK_DEAD): New macro.
3909 (struct tree_block): New flag, dead_flag.
3910 * print-tree.c (print_node, case 'b'): Print missing fields.
3911 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3912 * function.c (identify_blocks): Enable test for misplaced notes.
3913 (all_blocks): Skip BLOCK_DEAD blocks.
3914 * integrate.c (integrate_decl_tree): Likewise.
3916 * errors.c (internal_error, trim_filename): New functions.
3917 (fancy_abort): Call internal_error.
3918 * errors.h (internal_error, trim_filename): New declarations.
3920 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3922 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3924 (EXTRA_CONSTRAINT): Formatting changes.
3926 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3928 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3930 2001-02-23 Per Bothner <per@bothner.com>
3932 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3933 so they can be called from java/jvspec.c.
3934 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3936 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3938 * i386.c (ix86_frame): New structure.
3939 (ix86_compute_frame_size): Kill.
3940 (ix86_compute_frame_layout): New.
3941 (ix86_save_reg): New.
3942 (ix86_can_use_return_insn_p): Use frame layout stuff.
3943 (ix86_expand_prologue): Likewise.
3944 (ix86_expand_epilogue): Likewise.
3945 (ix86_initial_elimination_offset): Likewise.
3946 (ix86_nsaved_regs): Use ix86_save_reg.
3947 (ix86_emit_save_regs): Likewise.
3949 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3951 * flow.c (find_sub_basic_blocks): New function.
3952 (split_block): Be ready for basic block introduced by CODE_LABEL.
3953 (commit_one_edge_insertion): Call find_sub_basic_block.
3955 * flow.c (make_edges): Add edge from entry for blocks starting with
3956 label having ALTERNATE_NAME
3958 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3960 * function.c (epilogue_done): Be ready for first basic block not
3961 containing PROLOGUE_END note.
3962 (reposition_prologue_and_epilogue_notes): Avoid placing
3963 PROLOGUE_END note between BASIC_BLOCK.
3965 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3967 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3969 2001-02-21 DJ Delorie <dj@redhat.com>
3971 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3972 check for current_function_has_nonlocal_goto from 1999-11-12.
3974 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3976 * diagnostic.c (trim_filename): No longer static.
3977 * toplev.h (trim_filename): Declare.
3978 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3979 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3980 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3981 (rtvec_check_failed_bounds): Likewise.
3982 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3984 * convert.c (convert_to_integer): Don't do unsigned unless result or
3985 both inputs are unsigned.
3987 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3990 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3992 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3994 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3996 * Makefile.in (resource.o): Add params.h dependence.
3997 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3998 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3999 * resource.c: Add dependence on params.h.
4000 (current_live_regs): Fix explanatory comment.
4001 (find_basic_block): Add new parameter to permit limiting search
4003 (mark_target_live_regs): Add new argument to find_basic_block call.
4004 (incr_ticks_for_insn): Likewise.
4006 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4008 * diagnostic.c (output_to_stream): Rename to
4009 output_buffer_to_stream. Loses the stream parameter.
4010 (init_output_buffer): Set diagnosic_buffer's stream.
4011 (flush_diagnostic_buffer): Adjust.
4012 (default_print_error_function): Likewise.
4013 (finish_diagnostic): Likewise.
4014 (verbatim): Likewise.
4016 * diagnostic.h (struct output_buffer): Add `stream' field.
4017 (output_buffer_attached_stream): New macro.
4019 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4021 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4022 check if either operand is divisible by C.
4023 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4024 If type is signed, consider negative numbers as well.
4026 2001-02-22 Richard Henderson <rth@redhat.com>
4028 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4029 reach .text instead of gp-relative relocs.
4030 * config/ia64/crtend.asm (.init): Likewise.
4032 2001-02-22 Andreas Jaeger <aj@suse.de>
4034 * extend.texi (C++ Attributes): Fix typo.
4036 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4038 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4039 functions, drop current_function_args_info.words test.
4040 (ia64_compute_frame_size): Mark syscall_linkage functions as
4041 using eight input registers.
4043 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4044 Bruce Korb <bkorb@gnu.org>
4046 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4047 * fixinc/README: Document how to convert sed substitutions
4048 to format style c_fix-es.
4049 * fixinc/fixincl.x: regen
4051 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4053 * gcc.c: Add comment explaining how to add a command-line option.
4054 Add title to specs language comment.
4056 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4058 * gcc.c (cc1_options): Add "-param".
4059 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4060 (option_map): Likewise.
4061 * toplev.c (display_help): Add entry for "--param".
4062 (independent_decode_option): Fix typographical error.
4064 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4065 Bernd Schmidt <bernds@redhat.com>
4066 Jan Hubicka <jh@suse.cz>
4068 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4069 (function_arg): Likewise.
4071 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4073 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4075 2001-02-21 Kazu Hirata <kazu@hxi.com>
4077 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4081 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4083 * flow.c (init_propagate_block_info): Canon address and use single_set
4084 for killing dead memory stores.
4086 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4088 * Makefile.in (reorg.o): Add params.h dependence.
4089 * params.def: Fix typographical error in comment.
4090 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4091 * params.h: Modify introductory comment.
4092 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4093 * reorg.c: Add dependence on params.h.
4094 (redundant_insn): Add parameterized throttle for search.
4095 (fill_simple_delay_slots): Add a comment explaining a variable.
4096 Move conditional out of loop, simplifying code.
4097 (fill_eager_delay_slots): Fix typographical error in comment.
4099 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4101 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4103 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4104 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4106 2001-02-21 Jason Merrill <jason@redhat.com>
4108 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4109 (struct tree_decl): Add uninlinable bitfield.
4110 * c-decl.c (duplicate_decls): Set it.
4111 * integrate.c (function_cannot_inline_p): Check it.
4113 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4114 DW_AT_MIPS_linkage_name to abstract methods.
4115 (dwarf2out_abstract_function): Emit class context before calling
4116 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4117 (gen_subprogram_die): Remove obsolete code.
4118 (gen_member_die): Don't include clones in the member list.
4119 (gen_decl_die): Emit abstract info for clone origin.
4120 * dwarfout.c (output_type): Don't include clones in the member list.
4121 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4122 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4123 DECL_ABSTRACT on a function that already has it set.
4125 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4126 (get_subprogram_die): Pass it in.
4128 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4130 * flow.c (mark_set_1): Make not_dead unsigned long. For
4131 non-pseudos, use it as a bitmask of the hard regs that
4134 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4136 * cppfiles.c: Update comments.
4137 (_cpp_read_file): Don't check for NULL filenames any more.
4138 * cppinit.c (cpp_start_read): Don't do canonicalization of
4139 in_fname and out_fname. Use the passed file name exclusively.
4140 (_cpp_handle_options): Don't treat "-" as a command line option,
4141 but as a normal filename.
4142 (_cpp_post_options): Canonicalize in_fname and out_fname.
4143 * cppmain.c (printer_init): Don't check out_fname for NULL.
4144 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4145 (init_c_lex): Update, and use "" to represent stdin to CPP.
4148 2001-02-20 Will Cohen <wcohen@redhat.com>
4150 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4151 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4152 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4155 2001-02-20 Stan Shebs <shebs@apple.com>
4157 * config/rs6000/rs6000.c (output_cbranch): Output branches
4158 on separate lines instead of using ';' to separate.
4160 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4162 * cppinit.c (set_lang): Move builtin handling to...
4163 (init_builtins): ...here.
4164 (_cpp_create_reader): Move call to set_lang.
4166 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4168 * stmt.c (expand_return): If an attempt is made to return the
4169 error_mar_node, treat the return like a return without a value.
4171 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4173 * sibcall.c (skip_copy_to_return_value): Call
4174 identify_call_return_value here, and return orig_insn if it
4175 returns zero. Hardret and softret arguments now unnecessary.
4176 (call_ends_block_p): Don't call identify_call_return_value here.
4178 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4180 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4181 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4183 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4185 * pa.c (move_operand): Accept code to load the address of a
4186 symbol out of the DLT as a valid move operand.
4187 (print_operand, case 'A'): New to handle generating a DLT
4188 reference for a LO_SUM expression.
4189 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4190 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4192 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4194 * README, cpp.texi, gcc.texi, version.c: Update version number to
4196 * cpp.1, gcov.1, gcc.1: Regenerate.
4198 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4200 * cppfiles.c (stack_include_file): Generate dependencies
4201 here, and manage include_count here too.
4202 (PRINT_THIS_DEP): Delete.
4203 (_cpp_execute_include): Do not generate dependencies here,
4204 apart from the case of a missing header. Do not manage
4206 (_cpp_read_file): Leave dependency generation to
4209 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4211 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4212 target_cpu_default. Remove dead assignment to
4215 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4217 * regclass.c (contains_reg_of_mode): Make global.
4218 (init_reg_sets): Remove contains_reg_of_mode; take into account
4219 CLASS_MAX_NREGS when looking for the proper mode.
4220 (dump_regclass): Dump only classes considered for the pseudo.
4221 (regclass): Use contains_reg_of_mode.
4223 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4225 * gcc.c (do_spec_1): 'n' for printing notices.
4226 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4228 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4230 * reg-stack.c (next_flags_user): Use current_block->end
4231 (swap_rtx_condition): Look for next user if flags don't die;
4232 give up on CALL_INSNs; use current_block->end.
4234 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4236 * sibcall.c (call_ends_block_p): New function.
4237 (optimize_sibling_and_tail_recursive_call): Use it.
4239 2001-02-18 Kazu Hirata <kazu@hxi.com>
4241 * config/h8300/h8300.md: Update copyright.
4242 (andsi3): Do not output an extra newline character.
4244 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4246 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4247 FNDECL may be unused.
4249 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4250 follow jumps after first run.
4251 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4252 it doesn't change any jumps.
4254 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4256 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4257 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4258 (mostlyclean): Corresponding changes.
4259 * rtlanal.c (hard-reg-set.h): Include.
4260 (rtx_unstable_p): Do not treat the argument pointer specially
4261 if it is not a fixed register.
4262 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4264 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4266 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4267 against last real insn in basic block.
4268 Rework to avoid gotos.
4270 * Makefile.in (gcse.o): Now includes ggc.h.
4271 * gcse.c: Include ggc.h.
4272 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4273 (try_replace_reg): Remove warning of uninitialize variable.
4274 (process_insert_insn): Call invalid_insn_p to validate insn.
4275 * recog.c (insn_invalid_p): Now global.
4276 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4277 * recog.h (insn_invalid_p): New declaration.
4279 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4281 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4282 assignments from FP constants since 'Y' output code can't handle it.
4283 (eligible_for_sibcall_delay): Likewise.
4285 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4286 Call fancy_abort directly, passing args.
4287 (print_rtl_and_abort): Now a macro, like fancy_abort.
4289 * final.c (output_operand_lossage): Use internal_error, not error.
4291 2001-02-18 Shane Nay <shane@agendacomputing.com>
4293 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4294 structure shift insns.
4296 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4298 * invoke.texi (-fsquangle): Remove documentation.
4299 (-fname-mangling-version): Likewise.
4301 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4303 * optabs.c (expand_abs): Remove reference to
4304 HAVE_contitional_arithmetic.
4305 * combine.c (simplify_set): Likewise.
4307 2001-02-18 Richard Henderson <rth@redhat.com>
4309 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4312 2001-02-18 Richard Henderson <rth@redhat.com>
4314 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4316 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4318 * reload1.c (reload_cse_simplify_set): Fix typo.
4320 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4322 * diagnostic.c (_fatal_insn): Decrement errorcount.
4324 * invoke.texi (-I): Add note avoiding use for system header files.
4326 * rtl.h (add_clobbers): Remove duplicate declaration.
4327 * recog.h (added_clobbers_hard_reg_p): New declaration.
4328 * genemit.c (struct clobber_pat): New field has_hard_reg.
4329 (gen_insn): Record if added clobbers clobber hard reg.
4330 (gen_split): Avoid unused warning if number of operands is 0.
4331 (output_added_clobbers_hard_reg_p): New function.
4334 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4336 * pa.c (hppa_expand_prologue): Simplify code storing return
4337 pointer. For large (>=8k) frames with a post_store, adjust stack
4338 pointer by 8k-64 first rather than by 64. When testing with
4339 VAL_14_BITS_P, always use the actual value rather than the value
4340 negated. Add blockage to prevent scheduling of spills before
4341 stack frame has been created.
4342 (hppa_expand_epilogue): Simplify code loading return pointer.
4343 Allow a slightly larger range for merge_sp_adjust_with_load case.
4344 When testing with VAL_14_BITS_P, always use the actual value.
4346 * pa.c (pa_adjust_insn_length): Check that block move
4347 pattern is a set before looking at operands.
4349 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4351 * fold-const.c (fold_binary_op_with_conditional_arg): New
4352 function, split out from ...
4354 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4355 conditional arms that throw exceptions.
4357 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4360 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4362 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4363 define HAVE_DECL_* to 1 to mask potential backup declarations.
4364 * configure: Regenerated.
4366 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4368 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4370 2001-02-17 Richard Henderson <rth@redhat.com>
4372 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4373 when replacing a memory load with a register.
4375 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4376 Jan Hubicka <jh@suse.cz>
4378 * recog.c (validate_replace_src_1): New.
4379 (validate_replace_src_data): Likewise.
4380 (validate_replace_src): Use note_uses.
4381 * rtl.h (note_uses): Declare.
4382 * rtlanal.c (note_uses): New.
4384 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4386 * reg-stack.c (stack_def): Make field reg unsigned.
4387 (remove_regno_note): Unsignetize parameter.
4389 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4391 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4392 shladd_operand() call.
4394 2001-02-16 Bruce Korb <bkorb@gnu.org>
4395 Rodney Brown <RodneyBrown@mynd.com>
4397 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4398 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4399 machine restrictions
4400 * fixinc/fixincl.x: regen
4402 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4404 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4406 (hash_scan_insn): Clean up calls to hash_scan_set.
4407 (compute_kill_rd): REGNO now unsigned.
4408 (try_replace_reg): Rework to use simplify_replace_rtx.
4409 (cprop_jump, cprop_cc0_jump): Likewise.
4410 (cprop_insn): Call find_reg_equal_equiv_note.
4411 Reflect changes to cprop_jump and cprop_cc0_jump.
4413 * recog.c (validate_replace_src): Replace in operands of
4414 ZERO_EXTRACT in SET_DEST.
4416 * cse.c (new_label_ref): New variable.
4417 (insert): Set it instead of recorded_label_ref.
4418 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4419 CODE_LABEL for this function, and not already in REG_LABEL note.
4421 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4423 * resource.c (mark_referenced_resources): Fix typo in introductory
4425 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4428 2001-02-16 Jason Merrill <jason@redhat.com>
4430 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4432 (gen_subprogram_die): Don't abort on seeing a second definition if
4433 the previous one was abstract. Don't replace an abstract instance
4434 in the lookup table.
4436 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4437 gen_abstract_function.
4438 * dwarf2out.h: Declare it.
4439 * toplev.c (note_outlining_of_inline_function): New fn.
4440 * toplev.h: Declare it.
4441 * integrate.c (output_inline_function): Call it.
4442 * c-decl.c (duplicate_decls): Call it when redefining an extern
4443 inline. Don't inline the new defn.
4445 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4447 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4449 * .gdbinit: Rename to gdbinit.in.
4450 * gdbinit.in: New file,
4451 * configure.in: Generate .gdbinit from gdbinit.in.
4452 * configure: Regenerated.
4453 * Makefile.in (distclean): Always remove .gdbinit.
4455 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4457 * objc/objc-act.c (start_class): Register implemented_classes with
4460 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4462 * cppfiles.c (_cpp_make_system_header): Generate a file
4465 2001-02-15 Jim Meyering <meyering@lucent.com>
4467 * Makefile.in (install-common): Don't depend on installdirs here.
4468 Instead, make each of the lang.install-common targets (e.g.,
4469 c++.install-common in cp/Make-lang.in) depend on it.
4470 (install-driver): Depend on installdirs.
4472 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4474 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4476 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4479 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4481 * invoke.texi (--param): Document.
4483 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4485 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4487 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4489 * i386.md (extendsfdf2_2): Fix constraints.
4491 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4493 * i386.md (fop_df_3 splitter): Fix operand number.
4495 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4497 * invoke.texi (-mreg-alloc): Nuke.
4498 * i386.c (ix86_reg_alloc_order, regs_allocated,
4499 order_regs_for_local_alloc): Nuke.
4500 (override_options): Kill reg_alloc code.
4501 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4502 (REG_ALLOC_ORDER): SSE goes before I387.
4503 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4504 (ix86_reg_alloc_order): Likewise.
4505 * i386-protos.h (ix86_reg_alloc_order): Kill.
4507 2001-02-14 Richard Henderson <rth@redhat.com>
4509 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4511 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4513 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4515 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4517 * i386-protos.h (ix86_memory_move_cost): Move offline.
4518 * i386.c (ix86_register_move_cost): Compute properly cost of
4519 SSE, MMX and i387 instructions.
4520 (*_cost): Add costs of SSE/MMX moves.
4521 (ix86_memory_move_cost): Move offline from ....; Likewise.
4522 * i386.h (MEMORY_MOVE_COST): .... here;
4523 (struct processor costs): Add new fields to represent costs
4526 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4528 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4529 move_cost together with Matt Kraai's fix.
4531 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4533 * Makefile.in (OBJS): Add params.o.
4535 2001-02-14 Richard Henderson <rth@redhat.com>
4536 DJ Delorie <dj@redhat.com>
4538 * jump.c (jump_optimize_1): When we delete a conditional jump
4539 preceeding a non-conditional jump to effectively the same place,
4540 make sure that the combined jump skips any clobber insns between
4543 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4545 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4547 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4549 * Makefile.in (toplev.o): Depend on params.h.
4550 (intergate.o): Likewise.
4551 (params.o): New target.
4552 * flags.h (inline_max_insns): Remove.
4553 * integrate.c: Include params.h.
4554 Use MAX_INLINE_INSNS instead of inline_max_insns.
4555 * params.c: New file.
4556 * params.h: Likewise.
4557 * params.def: Likewise.
4558 * toplev.c: Include params.h.
4559 (lang_independent_params): New variable.
4560 (decode_f_option): Use the param machinery instead of setting
4562 (independent_decode_option): Handle "--param name=value".
4563 (main): Register language-independent parameters.
4565 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4567 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4569 2001-02-14 Richard Henderson <rth@redhat.com>
4571 * regclass.c (init_reg_sets_1): Revert last two changes.
4573 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4575 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4576 (variable_size): Call put_pending_size.
4577 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4578 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4579 sizes list, put newly created SAVE_EXPR there as well.
4581 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4583 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4584 (errata_find_address_regs): load_group has only 2 entries.
4585 (errata_emit_nops): Likewise. shladd is not problematic.
4586 Clear last_group if nop was emitted.
4587 (fixup_errata): load_group has only 2 entries.
4590 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4592 * c-lex.c (lex_number): Only warn traditionally for U suffix
4593 outside system macros.
4594 * cppexp.c (parse_number): Similarly.
4595 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4596 * cppmacro.c (struct cpp_macro): New member node.
4597 (parse_args): Only warn about missing rest args if not
4599 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4600 (cpp_sys_objmacro_p): New.
4601 (_cpp_create_definition): Store the node with the macro defn.
4602 Remember if the macro is defined in a system header.
4604 2001-02-13 DJ Delorie <dj@redhat.com>
4606 * configure.in (check_languages): determine languages to check
4607 * Makefile.in (check-c++): alias for check-g++
4608 (check-f77): alias for check-g77
4609 (CHECK_TARGETS): depend on configured languages
4611 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4613 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4614 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4615 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4616 (sqrtextendsfdf2): Disable for SSE2.
4618 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4620 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4621 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4622 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4623 (sqrtextendsfdf2): Disable for SSE2.
4625 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4627 * i386.md (movsfcc_1): Support integer cmove instruction.
4628 (movdfcc_1): Likewise; new splitter.
4630 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4632 * i386.c (output_fp_compare): Support SSE.
4633 (prepare_fp_compare_args): SSE comparisons always support memory.
4634 * i386.h (TARGET_CMOVE): SSE imply cmove.
4635 * i386.md (cmp?f2): Enable for SSE too.
4636 (cmpfp_i*): Support SSE.
4638 (cmpfp_i_sse_only): New.
4639 (s*, b* fp expanters): Enable for SSE too.
4640 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4643 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4645 * regclass.c (init_reg_sets_1): Silence warning.
4647 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4649 * i386.md (sqrt?f2): Change to expander.
4650 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4652 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4654 * rtlanal.c (find_reg_equal_equiv_note): New function.
4655 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4656 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4657 * rtl.h: Add declarations for above functions.
4659 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4661 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4663 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4664 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4665 * flow.c (mark_regs_live_at_end): Likewise.
4666 (calculate_global_regs_live): Likewise.
4667 * gcse.c (compute_hash_table): Likewise.
4668 (compute_kill_rd): Likewise.
4669 * resource.c (mark_target_live_regs): Likewise.
4670 * rtl.h (INVALID_REGNUM): New macro.
4672 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4674 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4676 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4678 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4681 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4683 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4685 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4686 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4687 (fop_sf_1_sse, fop_df_1_sse): New patterns
4688 (fop_*): Disable float_extend and float patterns for SSE compilation.
4689 * i386.c (output_387_binary_op): Support SSE.
4691 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4693 * i386.md (dummy_extendsfdf2): Support SSE2
4694 (extendsfdf2): Enable if 80387 or SSE2.
4695 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4696 and no MIX_I387_SSE2
4697 (extendsfdf2_1_sse_only): New pattern.
4698 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4700 (truncdfsf2_1): Support SSE.
4701 (truncdfsf2_2): Support SSE.
4702 (truncdfsf2_2_1_sse): New pattern.
4703 (fixtruncsfsi2): Always use SSE if available.
4704 (fix_truncsfsi_sse): New pattern.
4705 (fix_truncdfsi_sse): New pattern.
4706 (floatsis?f2): Support SSE.
4707 (floatsidf2_i387): New pattern.
4708 (floatsidf2_sse): Likewise.
4710 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4712 * configure.in: Use "have_gnat" variable, not "gnat".
4713 * configure: Regenerated.
4715 * config/sparc/sparc.c (function_value): Treat all non-record
4716 aggregate types like used to treat UNION_TYPE.
4718 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4720 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4721 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4723 (MASK_MIX_SSE_I387): New.
4724 (TARGET_SSE): SSE2 imply SSE.
4725 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4726 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4727 (enum reg_class): Add new classes.
4728 (REG_CLASS_NAMES): Likewise.
4729 (REG_CLASS_CONTENTS): Likewise.
4730 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4731 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4732 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4733 (CLASS_MAX_NREGS): Use new macros.
4734 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4735 * i386.md (pushsf, movsf): Support SSE.
4736 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4737 splitters to use ANY_FP_REGNO_P.
4738 (movdf_nointeger, movdf_integer): Likewise.
4740 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4742 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4743 (try_combine): Use it.
4745 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4747 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4748 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4749 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4750 (REGISTER_MOVE_COST): Likewise.
4751 * i386-protos.h (ix86_secondary_memory_needed,
4752 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4753 * i386.c (ix86_secondary_memory_needed,
4754 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4756 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4758 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4759 (HARD_REGNO_MODE_OK): Move offline to ....
4760 * i386.c (ix86_hard_regno_mode_ok) ... here;
4761 refuse all incorrect modes.
4762 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4764 2001-02-13 Richard Henderson <rth@redhat.com>
4766 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4767 entire operator; replicate that and match_dup the operands.
4768 (cmp_ccx_arith_op_set): Likewise.
4769 (cmp_cc_arith_op_not_set): Likewise.
4770 (cmp_ccx_arith_op_not_set): Likewise.
4772 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4774 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4776 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4778 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4779 (TARGET_NO_BITFIELD_WORD): New macro.
4780 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4781 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4783 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4785 * cselib.c: New file, from simplify-rtx.c.
4786 * simplify-rtx.c: Remove cselib parts.
4787 * Makefile.in: Add cselib.o.
4789 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4791 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4792 (setup_incoming_varargs): Remove warning.
4794 * config/rs6000/rs6000.c (validate_condition_mode): When
4795 flag_fast_math, allow floating-point conditionals to be reversed.
4796 (rs6000_generate_compare): When flag_fast_math, don't generate
4797 cror operations for FP conditionals.
4799 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4801 (ASM_SPEC): Likewise.
4802 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4803 (CC1_SPEC): Likewise.
4804 (LINK_TARGET_SPEC): Likewise.
4805 (CPP_ENDIAN_SPEC): Likewise.
4806 * Makefile.in (check-consistency): New target.
4808 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4810 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4811 "return type defaults" warning for functions with return type
4813 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4814 function declarations by default rather than only when pedantic.
4816 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4818 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4821 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4823 * extend.texi (Deprecated): Deprecate new initializer lists.
4825 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4827 * mkdeps.c (deps_add_default_target): Robustify. Add
4828 basename component only.
4829 * cpp.texi (-M): Describe how default target is generated.
4830 * invoke.texi (-M): Likewise.
4832 2001-02-12 Kazu Hirata <kazu@hxi.com>
4834 * toplev.c (push_float_handler): Remove.
4835 (pop_float_handler): Remove.
4836 * toplev.h: Remove prototypes for the above functions.
4838 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4840 * c-common.c (constant_fits_type_p): New function.
4841 (convert_and_check): Use it.
4843 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4845 * Makefile.in (GXX_ABI_FLAG): Don't define.
4846 * configure.in (--enable-new-gxx-abi): Remove option.
4847 * config.in: Regenerated.
4848 * configure: Likewise.
4850 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4852 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4854 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4855 regular basic block, and arrange for all edges into it to switch
4858 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4860 * Makefile.in (distclean): Do not remove .gdbinit.
4862 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4864 * Makefile.in (gcc.o): Fix typos.
4865 (protize.o): Likewise.
4866 (unprotoize.o): Likewise.
4868 2001-02-11 Richard Henderson <rth@redhat.com>
4870 * tree.c (build1): Check for null operand in last change.
4872 2001-02-11 Richard Henderson <rth@redhat.com>
4874 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4875 (fold): Don't assume a constant isn't foldable.
4876 * tree.c (build): Set TREE_CONSTANT for an expression with no
4877 side-effects and constant operands.
4880 2001-02-10 Richard Henderson <rth@redhat.com>
4882 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4884 2001-02-10 Anthony Green <green@redhat.com>
4886 * cpp.texi (Standard Predefined): Add documentation for
4889 * c-common.c (combine_strings): Improve warning message.
4891 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4893 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4895 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4897 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4899 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4902 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4904 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4907 2001-02-09 Nick Clifton <nickc@redhat.com>
4909 * config/arm/arm.md: Change output contraint on post inc
4910 load/store multiple patterns to be a read/write contraint.
4912 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4914 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4915 .o files when using the -M options.
4917 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4918 David Edelsohn <edelsohn@gnu.org>
4920 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4921 handle DImode constants. Use one TOC entry for SImode and smaller
4922 constants, aligned properly.
4924 2001-02-08 Jason Merrill <jason@redhat.com>
4926 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4927 about the SP adjustment for saving the static chain pointer.
4928 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4929 offset when setting a temporary CFA register.
4931 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4933 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4934 powerpc-*-chorusos* .
4935 * config/rs6000/chorus.h : New file.
4936 * config/i386/chorus.h : New file.
4937 * config/sparc/chorus.h : New file.
4938 * config/sparc/t-chorus-elf : New file.
4940 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4942 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4943 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4944 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4945 (__WCHAR_TYPE__): Correct macro name.
4947 2001-02-08 Richard Henderson <rth@redhat.com>
4949 * config/i386/i386.c (ix86_frame_pointer_required): New.
4950 (ix86_setup_frame_addresses): New.
4951 (struct machine_funciton): Add accesses_prev_frame.
4952 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4953 ix86_frame_pointer_required.
4954 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4955 (SETUP_FRAME_ADDRESSES): New.
4956 * config/i386/i386-protos.h: Update.
4957 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4958 from FRAME_POINTER_REQUIRED.
4959 * config/i386/svr3gas.h: Likewise.
4960 * config/i386/sysv3.h: Likewise.
4961 * config/i386/v3gas.h: Likewise.
4963 2001-02-08 Richard Henderson <rth@redhat.com>
4965 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4966 calculation of the number of integer registers required.
4967 (function_arg_record_value): Likewise.
4969 2001-02-08 Jason Merrill <jason@redhat.com>
4971 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4972 two. Print file and line with "confused" message.
4974 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4976 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4978 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4980 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4982 * final.c (cleanup_subreg_operands): The address of a MEM can
4985 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4988 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4990 * gcc.texi (Incompatibilities): Update documentation of
4991 preprocessing numbers.
4993 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4995 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4997 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4999 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5001 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5002 * gcc.c (struct compiler): Add cpp_spec field.
5003 (input_file_compiler): New variable.
5004 (do_spec_1): Allow a particular compiler to handle `%C'
5006 (main): Store the current compiler in input_file_compiler.
5007 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5009 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5011 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5012 * cppinit.c (cpp_create_reader): Initialize them.
5013 (append_include_chain): cxx_aware arg might be unused.
5014 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5015 keywords and give them their phase 7 meaning. Pedwarn about
5016 this unless '__bool_true_false_are_defined' is defined.
5018 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5020 * lcm.c (optimize_mode_switching): Emit mode_set before the
5021 JUMP_INSN of an abnormal edge.
5023 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5025 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5026 a scheduling barrier at the end.
5028 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5030 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5032 * config/sh/sh.md (reload_outsf): Removed.
5033 (movsf_ie): Introduce constraints for FPUL loads and stores.
5034 (reload_insf): Broaden the output constraint.
5036 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5038 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5039 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5041 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5043 * final.c: Revert my previous changes.
5044 * output.h: Make profile_label_no extern.
5045 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5046 for generating label.
5048 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5050 * config/i386/djgpp.h: Add comments about standard paths.
5051 (MD_EXEC_PREFIX): Undefine before defining.
5052 (MD_STARTFILE_PREFIX): New.
5054 2001-01-30 Bruce Korb <bkorb@gnu.org>
5056 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5057 (load_file): do not rely on load_file_data() to close file pointer
5058 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5059 fixinc/inclhack.def(irix_limits_const): add test_text
5061 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5063 * cppexp.c (parse_defined): Improve diagnostics for invalid
5066 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5068 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5070 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5072 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5073 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5074 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5075 (rs6000_output_symbol_ref): New function.
5076 (output_toc): Use VTABLE_NAME_P.
5078 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5080 * print-tree.c (print_node, case PARM_DECL):
5081 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5083 * stor-layout.c (reference_types_internal): New variable.
5084 (internal_reference_types): New function.
5085 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5086 * tree.h (internal_reference_types): New declaration.
5088 * cse.c (find_best_addr): Fix typo in computing cost.
5090 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5092 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5093 and this is the sum of a pointer and a constant, we know the result
5095 (num_sign_bit_copies, case PLUS): Likewise.
5096 * explow.c (convert_memory_address): Remove opposite SUBREG.
5097 * function.c (instantiate_new_reg): New function (from common code).
5098 (instantiate_virtual_regs_1): Call it.
5099 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5100 if pointers sign- or zero-extend.
5101 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5102 If pointers extend unsigned, use inside of SUBREG.
5103 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5105 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5107 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5108 subdir of gcc_gxx_include_dir.
5109 (gcc_gxx_target_include_dir): Remove.
5111 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5113 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5114 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5115 a high-level description.
5117 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5119 * final.c: Move the declaration of profile_label_no to ...
5120 * output.h: ... here.
5121 * function.c (expand_function_start): Call PROFILE_HOOK.
5122 * config/rs6000/aix.h: Define PROFILE_HOOK.
5123 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5124 * config/rs6000/rs6000.c (output_profile_hook): Define.
5125 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5126 output_profile_hook.
5127 tm.texi : Explain new macro PROFILE_HOOK.
5129 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5131 * extend.texi (Extended Asm): Do not say that semicolon is always
5132 a valid line-breaking character for GNU assemblers. Use
5133 newline-tab as the most commonly supported syntax. Use
5134 newline-tab rather than semicolon in multi-insn examples.
5136 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5138 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5140 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5141 David Edelsohn <edelsohn@gnu.org>
5143 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5144 code for AIX, even without flag_pic.
5146 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5148 * c-typeck.c (common_type): push and pop binding level around
5149 calling common_type on function parameters.
5151 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5153 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5155 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5157 * config/mips/mips.c (override_options): Fix typo in last change.
5158 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5159 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5161 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5163 * invoke.texi (-fdump-class-layout): Document.
5164 (-fdump-translation-unit): Use `=' as filename separator.
5166 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5168 * Makefile.in (s-mlib): Don't build multilibs if
5170 (DRIVER_DEFINES): Adjust accordingly.
5172 (protoize.o): Likewise.
5173 (unprotoize.o): Likewise.
5174 * configure.in: Recognize --enable-multilib.
5176 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5178 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5180 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5181 * configure.in: Remove --enable-libstdcxx_v3 support.
5182 * configure: Regenerated.
5184 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5186 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5187 Call abort instead of fatal.
5188 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5189 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5190 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5191 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5192 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5193 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5195 * diagnostic.h (set_internal_error_function): Renamed.
5196 * toplev.h (internal_error): Renamed from fatal.
5197 (pfatal_with_name): Deleted.
5198 (fatal_io_error): Now has printf-style arguments.
5199 * diagnostic.c (pfatal_with_name): Deleted.
5200 (fatal_io_error): Rework to have args in printf-style.
5201 (set_internal_error_function): Renamed from set_fatal_function.
5202 (internal_error): Renamed from fatal.
5203 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5204 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5205 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5206 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5207 * flow.c (verify_flow_info): Likewise.
5208 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5209 * config/mips/mips.c (save_restore_insns): Likewise.
5211 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5212 * flow.c (verify_flow_info): Likewise.
5213 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5214 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5215 (avr_normalize_condition): Likewise.
5216 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5217 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5218 (limit_reload_class, double_reg_to_memory): Likewise.
5219 (print_operand_address, emit_1600_code_shift): Likewise.
5220 (gen_tst_reg, gen_compare_reg): Likewise.
5221 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5222 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5224 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5226 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5227 * objc/objc-act.c (build_ivar_chain): Likewise.
5228 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5230 * graph.c (clean_graph_dump_file): Likewise.
5231 * profile.c (init_branch_prob): Likewise.
5232 * objc/objc-act.c (objc_init): Likewise.
5234 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5235 * config/avr/avr.c (avr_override_options): Likewise.
5236 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5237 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5238 * config/h8300/h8300.c (h8300_init_once): Likewise.
5239 * config/mips/mips.c (override_options): Likewise.
5240 * config/i386/i386.c (override_options): Likewise, rework.
5241 * config/m68k/m68k.c (override_options): Likewise.
5243 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5245 * config/mips/mips.c (print_operand): Likewise.
5246 * hash.c (hash_allocate): Don't check for failure returns from
5247 obstack functions that can't fail.
5248 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5249 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5250 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5251 (get_object_reference): Likewise.
5253 2001-02-04 Nick Clifton <nickc@redhat.com>
5255 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5256 StrongARM1110, 10TDMI, and 1020T.
5258 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5260 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5262 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5264 * config/sh/sh.md (movdf load split): Pass register number to
5265 FP_OR_XD_REGISTER_P.
5267 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5269 * cppinit.c (BC): New macro.
5270 (builtin_array): Add __GXX_WEAK__.
5271 * cpplib.h (builtin_type): Add BT_WEAK.
5272 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5273 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5274 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5276 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5278 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5280 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5282 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5283 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5285 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5287 * cpphash.h: Rename ALIGN _ALIGN.
5288 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5290 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5292 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5293 compilation environment.
5294 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5295 control over location of cygwin includes and libs.
5297 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5299 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5301 2001-02-02 lars brinkhoff <lars@nocrew.org>
5303 * md.texi (Standard Names): remove reference to spur.md.
5305 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5307 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5308 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5309 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5310 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5311 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5313 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5315 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5316 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5317 number before reload.
5318 (c4x_adjust_cost): Return zero before reload.
5319 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5320 split before reload.
5322 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5324 * c4x.c (c4x_hard_regno_rename_ok): New.
5325 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5326 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5328 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5330 * diagnostic.h: Add missing "extern" in all declarations.
5332 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5334 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5335 as for gcc_gxx_include_dir.
5337 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5339 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5341 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5343 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5344 label before alignment to be used as the braf base address.
5345 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5347 (casesi_jump_2): Require at least TARGET_SH2.
5349 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5350 truncation to 32-bit doubles on -m3e and -m4-single-only.
5352 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5354 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5355 the default when building a shared object.
5356 (init_spec): Use it.
5357 * testsuite/lib/g++.exp: Include the directory where libgcc
5358 is located to the LD_LIBRARY_PATH list.
5359 * invoke.texi (-shared-libgcc): Document the cases in which
5360 GCC defaults to using the shared libgcc.
5362 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5364 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5365 unsigned is wide enough.
5367 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5368 (si_to_float): Likewise.
5369 (float_to_si, float_to_usi): Use BITS_PER_SI.
5371 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5373 * dwarf2out.c: Added explanation of abbreviations.
5374 (def_cfa_1): Added comments listing DWARF2 instructions.
5375 (cfa_temp_reg): Removed in favor of cfa_temp.
5376 (cfa_temp_value): Removed in favor of cfa_temp.
5377 (cfa_temp): New global variable.
5378 (dwarf2out_frame_debug_expr): Added extensive introductory
5379 comments explaining the function's transformations. Revised to
5380 use cfa_temp. Added some rtx checking. Generalize IOR case.
5381 (dwarf2out_frame_debug): Revised to use cfa_temp.
5382 (output_aranges): Cast as "unsigned" to avoid warning.
5383 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5384 explain which instructions must be marked.
5386 2001-02-01 Richard Henderson <rth@redhat.com>
5388 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5391 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5393 * config/sh/crt1.asm (main_k): Modified so that start calls
5394 ___setup_argv_and_call_main.
5396 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5398 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5399 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5400 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5401 * cppmacro.c (builtin_macro): Set builtin flags here.
5402 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5403 (replace_args): Clarify intent.
5404 (cpp_get_token): Macro expansion tokens get the saved flags.
5406 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5409 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5411 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5414 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5416 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5417 returns Pmode pseudo, but we need ptr_mode.
5418 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5419 Remove bogus conversions; use HOST_WIDE_INT for size.
5420 Don't use TARGET if wrong mode.
5422 * config/i386/i386.c (ix86_compute_frame_size): Allow
5423 stack_alignment_needed to be non-default even if size is zero.
5425 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5427 * pa.c (hppa_init_pic_save): New function.
5428 * pa.h (hppa_init_pic_save): Declare.
5429 * pa.md (call, call_value, sibcall, sibcall_value): Use
5430 the above instead of duplicated code.
5432 * pa.c (hppa_encode_label): Correct size of alloca buffer
5433 so we don't overrun it. Correct leading `*' case.
5434 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5435 need to handle `*@'.
5436 (FUNCTION_NAME_P): Likewise.
5438 2001-01-31 Richard Henderson <rth@redhat.com>
5440 * config.gcc (alpha-osf5): Use float-i128.h.
5442 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5443 * config/float-i32.h: Likewise.
5444 * config/float-i64.h: Likewise.
5445 * config/float-sh.h: Likewise.
5446 * config/float-sparc.h: Likewise.
5448 2001-01-31 DJ Delorie <dj@redhat.com>
5450 * expmed.c (extract_bit_field): allow non-integral modes if we
5451 want to extract a whole register from itself.
5453 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5455 * c-typeck.c (set_init_index): If first is equal to last, assume as
5456 if it was not a range at all.
5458 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5460 * config/fp-bit.c: Include tm.h.
5461 (float_to_si): Don't assume SImode is 32-bits wide.
5462 (float_to_usi): Likewise.
5464 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5466 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5468 (typename): Call pending_xref_error after parsing typed_typespecs.
5469 * c-decl.c (lookup_tag): Give error immediately rather than
5470 leaving it pending if the tag of the wrong type is in the same
5472 (xref_tag): Don't pedwarn for forward declarations of enum types
5474 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5477 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5479 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5481 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5483 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5484 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5486 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5488 * cpphash.h (struct cpp_reader): New saved_flags.
5489 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5490 to avoid a paste after a pasted token.
5492 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5494 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5495 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5496 Wtype_MIN instead of LONG_MIN.
5498 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5500 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5502 * fixinc/fixincl.x: Regenerated.
5503 * fixinc/inclhack.def (irix_limits_const): New definition to
5504 convert "const" to "__const" in limits.h.
5506 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5508 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5510 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5512 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5513 when register dies in the insn.
5515 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5517 * diagnostic.c (fatal): Fix word wrap.
5519 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5521 * combine.c (try_combine): Fix SUBREG setting for
5522 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5524 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5526 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5529 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5531 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5533 * toplev.c (decode_W_option): Update warn_larger_than
5534 unconditionally for each processed switch.
5536 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5538 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5540 (hppa_expand_prologue): Delete code to save pic offset table register
5541 in the function prologue.
5542 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5543 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5544 table register at the beginning of the function after the prologue.
5546 2001-01-29 lars brinkhoff <lars@nocrew.org>
5548 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5550 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5551 Jeff Law <law@redhat.com>
5553 * pa.md (return): Revise comment for trivial return.
5554 (return_internal): Non-trivial return pattern for non-PIC code.
5555 (return_internal_pic): Non-trivial return pattern for PIC code.
5556 It uses the PIC register to ensure it is restored after
5558 (epilogue): Generate appropriate return for PIC and non-PIC code.
5560 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5562 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5564 2001-01-29 DJ Delorie <dj@redhat.com>
5566 * combine.c (if_then_else_cond): Pass the correct mode to
5567 operand_subword() for constants.
5569 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5571 * config/i386/cygwin.h: Add w32api to include search. Search different
5572 directories in a cross-build environment.
5574 2001-11-29 Tim Josling <tej@melbpc.org.au>
5576 * tree.h (TYPE_STUB_DECL): Add documentation.
5578 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5580 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5581 (sdbout_field_types): Likwise. Fix use of host_integerp.
5583 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5585 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5588 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5590 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5591 to use flag_gnu_linker.
5593 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5595 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5596 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5598 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5600 * tree.c, tree.h (build_parse_node): Remove; was identical to
5602 * c-lang.c (start_cdtor), objc/objc-act.c
5603 (build_module_descriptor): Use build_nt instead of
5606 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5608 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5609 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5610 not have any upper bits set.
5612 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5614 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5616 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5618 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5620 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5622 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5623 (integer_minus_one_node): Define.
5625 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5627 * Makefile.in (bootstrap2-lean): Fix typo.
5629 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5631 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5632 : Don't set fe_value.
5633 * cpplib.h (AVOID_LPASTE): New flag.
5634 (struct cpp_hashnode): Remove fe_value.
5635 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5636 * cppmacro.c (builtin_macro): Don't set flags here.
5637 (replace_args): Set AVOID_LPASTE flag on first token of an
5638 argument, and the token following it.
5639 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5640 macro expansion, and on the token following it. Do it for
5642 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5644 2001-01-27 Richard Henderson <rth@redhat.com>
5646 * config/alpha/t-ieee: Remove multilibbing.
5647 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5649 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5651 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5653 * Makefile.in: Remove all dependencies on defaults.h.
5654 * builtins.c: Don't include defaults.h.
5655 * c-common.c: Likewise.
5656 * c-decl.c: Likewise.
5657 * c-pragma.c: Likewise.
5658 * c-typeck.c: Likewise.
5659 * combine.c: Likewise.
5661 * frame-ia64.c: Likewise.
5662 * cppexp.c: Likewise.
5663 * crtstuff.c: Likewise.
5664 * dbxout.c: Likewise.
5665 * dwarf2out.c: Likewise.
5666 * dwarfout.c: Likewise.
5667 * emit-rtl.c: Likewise.
5668 * except.c: Likewise.
5670 * final.c: Likewise.
5671 * frame-dwarf2.c: Likewise.
5672 * libgcc2.c: Likewise.
5673 * optabs.c: Likewise.
5674 * profile.c: Likewise.
5675 * sdbout.c: Likewise.
5676 * toplev.c: Likewise.
5677 * tradcif.y: Likewise.
5679 * varasm.c: Likewise.
5681 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5683 * builtins.c (expand_builtin_fputs): Use size_one_node when
5684 transforming into fwrite.
5686 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5688 * extend.texi (Attribute Syntax): New section.
5690 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5692 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5693 they didn't need fixing.
5695 2001-01-27 Janis Johnson <janis@us.ibm.com>
5697 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5699 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5700 to remove macro definitions that are duplicated from elfos.h.
5702 2001-01-27 Richard Henderson <rth@redhat.com>
5704 * config/i386/sco5gas.h: Move ...
5705 * config/usegas.h: ... here.
5706 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5708 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5710 * c-typeck.c (struct constructor_stack): Add range_stack member.
5711 (really_start_incremental_init): Clear it.
5712 (push_init_level): Save constructor_range_stack and clear it if
5713 pushing explicit braces.
5714 (pop_init_level): abort if constructor_range_stack is non-zero at
5715 explicit closing brace. Restore saved constructor_range_stack if
5718 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5720 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5721 into register was forced into memory.
5723 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5725 * Makefile.in: Remove uses of + before $(MAKE).
5727 2001-01-26 Richard Henderson <rth@redhat.com>
5729 * stmt.c (cost_table): Remove.
5730 (COST_TABLE, cost_table_initialized): New.
5731 (estimate_case_costs): Use the later instead of the former.
5732 (balance_case_nodes): Likewise.
5734 2001-01-26 Richard Henderson <rth@redhat.com>
5736 * alias.c (objects_must_conflict_p): Read-only slots may not
5737 conflict despite having the same type.
5739 2001-01-27 Michael Hayes <mhayes@redhat.com>
5741 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5743 (check_ext_dependant_givs): Initialise u_start_val and
5745 (load_mems): Make last_max_reg unsigned.
5746 (try_swap_copy_prop): Use INSN_P and initialise set.
5748 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5750 * README.AVR : Removed.
5752 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5754 * pa-64.h (text_section): Remove declaration.
5756 * pa.md (return_internal): Remove mode on PIC register use.
5758 2001-01-25 lars brinkhoff <lars@nocrew.org>
5760 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5761 ASM_CLOSE_PAREN): fix typos.
5763 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5765 * acconfig.h: Define `const' to the empty string if neither
5766 __STDC__ nor __cplusplus is defined.
5767 * config.in: Regenerated.
5769 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5771 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5772 * collect2.c (main): Delete importf. Add ".obj" file extension.
5773 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5774 (aix_std_libs): Add additional AIX libraries to skip.
5775 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5776 * config/rs6000/aix51.h: New file.
5778 2001-01-25 Michael Hayes <mhayes@redhat.com>
5780 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5781 (loop_insn_emit_before): No longer static.
5782 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5783 (loop_givs_rescan, load_mems): Likewise.
5784 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5785 (maybe_eliminate_biv_1):
5786 (move_movables): Replace emit_call_insn_before with
5787 loop_call_insn_hoist.
5788 * loop.h (loop_insn_emit_before): Add.
5789 * unroll.c (copy_loop_body): Replace emit_insn_before with
5790 loop_insn_emit_before.
5792 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5794 * diagnostic.c (fatal): Request preprocessed source.
5796 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5798 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5799 olddecl has argument types and newdecl has none, use the argument
5802 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5804 * dwarf2out.c (prefix_of): New function. Determine longest common
5805 prefix of the two arguments. The units are whole path components.
5806 (output_file_names): When adding a new directory find the one entry
5807 with the longest common prefix already in the list. Artificially
5808 generate entry if there is none for this prefix.
5809 Fix test to check whether the zeroth directory entry is used.
5811 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5813 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5814 Changed all callers. Take it into account when deciding if a
5815 previously loaded value matches.
5817 2001-01-24 Richard Henderson <rth@redhat.com>
5819 * reload.c (find_reloads_subreg_address): Fail the substitution
5820 if the resulting address is insufficiently aligned.
5822 2001-01-24 DJ Delorie <dj@redhat.com>
5824 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5825 check the original operand's mode also.
5826 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5828 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5830 * c-parse.in (cast_expr): Move compound literals from here ...
5831 (primary): ... to here. Use standard terminology "compound
5832 literal" instead of "constructor expression".
5834 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5836 * gcc.1, cpp.1: Regenerate.
5838 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5840 * calls.c (emit_library_call_value_1): Memory slot for
5841 pass-by-reference argument should have the mode of the argument,
5842 not of the pointer to it.
5844 2001-01-24 Tom Tromey <tromey@redhat.com>
5846 * gcc.texi (G++ and GCC): Mention gcj manual.
5847 (Standards): Link to section of manual mentioning gcj/Java
5850 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5852 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5853 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5854 * tradcpp.c (main): Add -imacros or -include'd dependencies
5856 * cpp.texi (-M, -MM): Document -M -include behaviour.
5858 2001-01-24 Roger Collins <roger@ProProject.com>
5860 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5862 2001-01-24 Will Cohen <wcohen@redhat.com>
5864 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5865 whether registers are 32 bits or 64 bits in size.
5867 2001-01-24 Ben Elliston <bje@redhat.com>
5869 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5871 2001-01-24 Richard Henderson <rth@redhat.com>
5873 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5874 (builtin_longjmp): Use it instead of emit_indirect_jump.
5876 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5878 * bb-reorder.c (make_reorder_chain_1): Handle case where
5879 jump edge goes to the same block as the fallthru edge.
5881 2001-01-23 Jim Wilson <wilson@redhat.com>
5883 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5884 * frame.h (__ia64_personality_v1): Add prototype.
5885 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5886 prototype form. Add void * cast to first argument to personality
5888 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5889 (asctoe113): Likewise.
5890 * config/ia64/frame-ia64.c: Include eh-common.h.
5891 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5893 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5895 (itanium_split_issue): Add prototype.
5896 (gen_nop_type): Ifdef out.
5897 (find_best_packet): Initialize best_packet.
5898 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5900 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5901 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5902 (flushrs): Add explicit stop bit at end.
5903 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5906 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5908 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5910 * libgcc2.c (__terminate_func): Make variable static.
5911 (__terminate_set_func): New function to set __terminate_func.
5912 * libgcc2.h (__terminate_func_ptr): New typedef.
5913 (__terminate_set_func): New function.
5915 2001-01-23 Richard Henderson <rth@redhat.com>
5917 * flow.c (init_propagate_block_info): Don't consider unchanging
5918 memories for dead frame store elimination.
5920 2001-01-23 Richard Henderson <rth@redhat.com>
5922 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5923 * defaults.h: ... here.
5925 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5927 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5929 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5931 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5933 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5935 * rs6000.h (rs6000_return_addr): Move prototype from here...
5936 * rs6000-protos.h (rs6000_return_addr): ...to here.
5937 (rs6000_init_expanders): Delete prototype.
5939 2001-01-23 Nick Clifton <nickc@redhat.com>
5941 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5942 (Spec Files): Document %B and %j and %. and %v3 and %M and
5943 %{S*&T} spec switches.
5945 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5947 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5949 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5950 Neil Booth <neil@daikokuya.demon.co.uk>
5952 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5953 Have -Werror make pedantic warnings errors, like the
5956 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5958 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5960 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5962 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5963 * integrate.c (expand_inline_function): Initialize them.
5964 (subst_constants): If changing COMPARE so that both its arguments
5965 will be VOIDmode and the comparison mode will be lost, note
5966 compare_mode. Use the recorded compare_mode to optimize
5969 2001-01-23 Jason Merrill <jason@redhat.com>
5971 * dwarf2out.c (new_die): Use xcalloc.
5972 (output_die): Abort rather than emit a local reference to offset 0.
5974 2001-01-17 Andrew Haley <aph@redhat.com>
5976 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5977 of a saved register; return NULL instead.
5978 (copy_reg): Take a pointer to a source register rather than a
5980 (next_stack_level): Remember the address in the stack frame of all
5982 Use the saved register pointer array as the source of the CFA.
5983 (throw_helper): Rewrite. Unwind once rather than twice and keep
5984 track of saved registers as we go.
5986 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5988 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5989 * c4x.c (c4x_legitimize_reload_address): Remove.
5990 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5991 reload address for ldp(k) insn.
5993 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5995 * pa.md (return_internal): Add a USE of the PIC register to ensure
5996 it is restored after each call.
5997 (return expander): Corresponding changes.
5999 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6001 * rs6000.h (INIT_EXPANDERS): Delete.
6002 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6003 * rs6000.c (rs6000_override_options): Call *_machine_status from
6005 (rs6000_init_expanders): ...instead of here. Delete.
6006 (rs6000_mark_machine_status): New function.
6007 (rs6000_init_machine_status): Use xcalloc.
6008 (rs6000_return_addr): Generate RTX for the return address.
6009 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6010 (rs6000_stack_info): Use it.
6012 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6014 * gthr-win32.h: Include errno.h to get a declaration for
6015 EINVAL and _mingw.h if the target is mingw32.
6017 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6019 * cpp.texi: Correct typos.
6021 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6023 * explow.c (probe_stack_range): Ensure value passed to
6024 stack_check_libfunc is ptr_mode, not Pmode.
6026 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6028 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6029 case, don't use operand_subword to calculate a SUBREG that is
6032 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6034 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6036 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6037 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6038 valid. If not replace it by equivalent insns.
6040 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6042 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6043 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6044 (c4x_U_constraint, symbolic_address_operand): Likewise.
6045 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6047 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6048 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6049 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6050 anulling slot because of silicon bug.
6051 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6053 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6055 * cppexp.c (parse_charconst): Change `mask' type to agree
6058 2001-01-21 Richard Henderson <rth@redhat.com>
6060 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6061 pic_label_name in a linkonce section.
6063 2001-01-17 Philipp Thomas <pthomas@suse.de>
6065 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6067 * configure: Regenerate.
6069 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6071 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6072 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6074 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6076 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6077 If REVERSE nonzero then condition code in X must be reversed.
6078 (encode_section_info): Optimise if/else.
6079 (avr_function_value): Fix formatting.
6081 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6082 (difficult_branch): Likewise.
6083 (rvbranch): Likewise.
6084 (difficult_rvbranch): Likewise.
6086 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6088 * config/avr/libgcc.S: Fix comment.
6090 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6092 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6094 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6096 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6098 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6100 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6101 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6102 * configure, config.in: Regenerate.
6103 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6104 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6105 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6106 (doprint.o): New rule.
6108 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6110 * c-typeck.c (digest_init): Handle boolean types as scalars.
6112 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6114 * stmt.c (expand_return): Don't return anything if size is zero.
6115 Delete redundant assignment to BYTES.
6116 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6118 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6120 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6121 the same as the default library function names.
6122 * config/avr/avr.md: Document special characters after '%'.
6123 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6124 knowing which of the call-used registers are really clobbered.
6125 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6126 New. Both quotient and remainder from one libgcc.S call.
6127 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6128 clobber as few registers as possible.
6129 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6131 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6133 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6134 context of the top of the stack.
6136 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6138 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6139 (fixup_var_refs_insns): ...here.
6141 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6143 * function.c (fixup_var_refs_insns): Break up into
6144 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6145 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6146 [loop over hash table entries].
6147 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6148 fixup_var_refs_insns_with_hash, to match above changes.
6150 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6152 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6153 (libgcc.a): Likewise.
6154 (stmp-multilib): Likewise.
6155 (STAGE2_FLAGS_TO_PASS): Likewise.
6157 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6159 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6160 temporary if no_new_pseudos.
6162 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6164 * cppinternals.texi: Update.
6166 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6168 * arm.c (arm_init_builtins): Re-enable builtins.
6170 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6172 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6173 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6174 element to be null, and always expect an EXPR_LIST.
6175 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6176 * sched-deps.c (sched_analyze_1): Likewise.
6177 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6179 * regclass.c (max_set_parallel): New variable.
6180 (reg_scan): Take it into account in computation of max_parallel.
6181 (reg_scan_mark_refs, case SET): Compute it.
6183 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6185 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6186 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6188 2001-01-19 Jason Merrill <jason@redhat.com>
6190 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6191 for the abstract instance of an inline function.
6193 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6194 J"orn Rennecke <amylaar@redhat.com>
6196 * reload1.c (move2add_note_store): Treat all registers directly or
6197 indirectly derived from a base register as members of the same set
6199 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6200 of base register into account.
6202 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6204 * alias.c (find_base_value): Recognize TRUNCATE.
6205 (record_set): In PLUS case, invalidate if other summand is also a
6208 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6210 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6211 entry to be EXPR_LIST.
6212 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6213 be an EXPR_LIST (but not null, which other code doesn't allow).
6214 (note_stores): Properly handle PARALLEL in SET.
6215 Recursively call for top-level PARALLEL.
6216 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6217 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6219 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6221 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6223 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6224 not pfile->skipping (== 0).
6226 2001-01-17 Nick Clifton <nickc@redhat.com>
6228 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6231 2001-01-17 Jim Wilson <wilson@redhat.com>
6233 * invoke.texi (IA-64 options): Improve.
6235 2001-01-17 Tom Tromey <tromey@redhat.com>
6237 * invoke.texi (Optimize Options): Use `{}' to around @samp
6240 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6242 * invoke.texi (-fno-guess-branch-probability): New option.
6244 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6246 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6247 case of making new double-word constant.
6248 Revert last change: instead just test i3_subst_into_i2.
6250 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6252 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6253 Use q constraints instead of r.
6255 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6257 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6258 (machine_function): Define.
6259 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6260 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6261 pa_free_machine_status): New functions.
6262 (override_options): Set {init,mark,free}_machine_status to above.
6263 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6264 PIC_OFFSET_TABLE_REGNUM_SAVED.
6265 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6266 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6267 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6268 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6269 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6271 2001-01-15 DJ Delorie <dj@redhat.com>
6273 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6277 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6279 * flow.c (propagate_on_insn): Make trying to delete a prologue
6280 or epilogue insn an ICE, not a warning. Allow doing this if
6281 the current function returns with stack pointer depressed.
6283 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6284 I3 having more than one SET.
6286 2001-01-16 Jim Wilson <wilson@redhat.com>
6288 * invoke.texi: Document IA-64 options.
6290 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6291 (fixup_errata): Delete TARGET_A_STEP use.
6292 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6293 (TARGET_SWITCHES): Delete -ma-step option.
6294 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6295 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6296 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6297 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6298 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6299 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6301 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6302 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6303 cmovsi_internal): Delete ! TARGET_A_STEP check.
6305 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6307 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6308 possibility to report bugs via postal mail. Change a URL and
6309 merge in a nearly duplicate statement...
6310 (Bug Reporting): ...from here.
6311 (Service): Refer to the Bug Reporting section instead of
6313 (Contributing): Remove trivial explanations concerning snapshots.
6315 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6317 * cppmain.c (general_init): Don't use ANSI prototype.
6319 2001-01-16 Tom Tromey <tromey@redhat.com>
6321 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6323 2001-01-16 Richard Henderson <rth@redhat.com>
6325 * config/i386/i386.h: Fix comment typo.
6326 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6327 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6329 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6331 * gcc.c: Revert previous -fsyntax-only-related change; move
6334 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6336 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6337 inmode after checking GET_CODE (op).
6339 2001-01-16 Richard Henderson <rth@redhat.com>
6341 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6342 (MAX_MEM_SET_LIST_LEN): New.
6343 (propagate_one_insn): Update mem_set_list_len.
6344 (invalidate_mems_from_autoinc): Likewise.
6345 (invalidate_mems_from_set): Likewise.
6346 (mark_used_regs): Likewise.
6347 (init_propagate_block_info): Likewise. Stop collecting memories
6348 when we reach MAX_MEM_SET_LIST_LEN.
6349 (mark_set_1): Likewise.
6351 2001-01-16 Richard Henderson <rth@redhat.com>
6353 * unroll.c (precondition_loop_p): Fail if no iteration
6356 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6358 * gcc.c: When -fsyntax-only is given, do not complain about
6361 2001-01-15 Richard Henderson <rth@redhat.com>
6363 * config/i386/i386.c (asm_output_function_prefix): Remove.
6364 (ix86_asm_file_end): New.
6365 (load_pic_register): Generate pic_label_name into a
6366 staticly allocated buffer.
6367 * config/i386/i386-protos.h: Update.
6368 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6369 (ASM_FILE_END): New.
6370 * config/i386/i386afe.h: New file.
6371 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6372 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6373 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6374 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6375 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6376 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6377 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6379 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6381 * Makefile.in (install-man): Remove explicit dependency on
6384 * configure.in, configure: Revert previous patch requiring perl
6387 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6389 * toplev.c (flag_guess_branch_prob): New.
6390 (f_options): Add guess-branch-probability option.
6391 (rest_of_decl_compilation): Only estimate branch probability if
6393 (main): set flag_guess_branch_prob.
6395 * flags.h (flag_guess_branch_prob): New.
6397 2001-01-15 DJ Delorie <dj@redhat.com>
6399 * gcc.texi (Makefile): Add documentation for Makefile targets.
6401 2001-01-15 Philip Blundell <philb@gnu.org>
6403 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6405 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6406 (is_pic): Delete declaration.
6407 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6408 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6409 * config/arm/arm.md (builtin_setjmp_receiver): New.
6411 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6413 * arm.c (use_return_insn): Don't try to determine the function type
6414 until after reload has completed.
6415 (arm_output_epilogue): Don't adjust the sp value recovered from the
6417 (emit_multi_reg_push): Don't record dwarf information for the pc.
6418 * arm.md (eh_epilogue): The function type may have changed, so it
6419 needs to be recalculated.
6420 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6421 unwind tables on arm/netbsd.
6423 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6425 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6426 (negated_cbranchsi4): Likewise.
6428 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6430 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6431 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6432 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6433 pass -mapcs-* options to assembler.
6434 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6435 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6436 (ASM_SPEC): Call subtarget_extra_asm_spec.
6438 2001-01-15 Andreas Jaeger <aj@suse.de>
6440 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6442 (ix86_expand_builtin): Likewise.
6444 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6445 warning about comparison between signed and unsigned.
6447 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6449 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6451 2001-01-14 Ralf Baechle <ralf@gnu.org>
6453 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6454 SUBTARGET_CPP_SPEC apropriatly.
6456 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6458 * varasm.c (make_decl_rtl): Fix typo in last change.
6460 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6462 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6463 linker supports the init_priority C++ attribute.
6464 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6465 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6466 linker does not support init_priority C++ attribute.
6468 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6470 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6472 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6474 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6475 * cp/lex.c (finish_parse): Similarly.
6476 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6477 Return the number of errors encountered.
6478 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6479 * cppmain.c (main): Don't call cpp_destroy.
6481 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6483 * configure.in: Require at least perl 5.6.0 to regenerate
6485 * configure: Regenerate.
6487 2001-01-14 Richard Henderson <rth@redhat.com>
6489 * genrecog.c (DT_veclen_ge): New.
6490 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6491 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6492 (nodes_identical_1): Handle DT_veclen_ge.
6493 (write_cond, debug_decision_2): Likewise.
6495 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6497 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6499 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6501 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6503 * cppmain.c (do_preprocessing): New function; most of the old
6505 (main): Call it to do most of the work.
6506 (cb): Move from global scope to set_callbacks ().
6507 (setup_callbacks): Get the callback pointer.
6508 (general_init, printer_init): Clean up code and comments.
6510 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6512 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6515 2001-01-14 Kazu Hirata <kazu@hxi.com>
6517 * config/h8300/h8300.c (get_shift_alg): Update comments.
6519 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6521 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6522 (alloc_page, ggc_alloc): Add casts to remove warnings.
6524 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6526 * combine.c (simplify_comparison): Don't change `code' when
6527 can't reverse comparison.
6529 2001-01-14 Richard Henderson <rth@redhat.com>
6531 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6532 update all call sites. Return true for all non-label constants.
6534 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6536 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6538 (ix86_expand_branch): Update.
6539 (ix86_expand_setcc): Update to handle multiple test conditions.
6540 (expand_int_movcc): Likewise.
6541 (expand_fp_movcc): Likewise.
6542 * i386-protos.h (ix86_expand_compare): New.
6543 * i386.md (andqi_?_slp, orqi_?_slp): New.
6544 (conditional trap expander): Update call to ix86_expand_compare.
6546 2001-01-14 Richard Henderson <rth@redhat.com>
6548 * config/vax/vax.md: Use nonimmediate_operand instead of
6549 general_operand in destinations.
6551 * config/vax/vax.md (indirect_jump): Use register_operand.
6553 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6554 * config/vax/vax.md (call_pop): Turn into an expander.
6555 (call_value_pop): Likewise.
6556 (call, call_value): New.
6558 2001-01-14 Andreas Jaeger <aj@suse.de>
6560 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6562 (ix86_fp_compare_mode): Add unused attribute.
6563 (ix86_expand_fp_movcc): Remove unused variable.
6564 (ix86_expand_builtin): Make fcode unsigned.
6566 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6567 (expand_expr): Add cast to avoid signed warning.
6568 (store_field): Likewise.
6569 (store_constructor_field): Likewise.
6570 (store_constructor): Likewise.
6571 (store_expr): Likewise.
6572 (clear_storage): Likewise.
6573 (emit_group_store): Likewise.
6574 (emit_group_load): Likewise.
6576 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6578 * c-common.c: Move format checking code to ...
6579 * c-format.c: ... here. New file. Reorder some functions and
6581 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6583 * c-common.h (decl_handle_format_attribute,
6584 decl_handle_format_arg_attribute): Declare.
6585 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6586 (c-common.o): Adjust dependencies.
6587 (c-format.o): New list of dependencies.
6589 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6591 * unroll.c (loop_iterations): If we cannot prove iteration variable
6592 is set once in each iteration, punt.
6594 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6596 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6597 (*strlenhi): Remove clobber (which was buggy) of output address.
6599 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6601 * Makefile.in (generated-manpages): Add gcc.1
6602 ($(srcdir)/gcc.1): New target.
6603 (maintainer-clean): Delete $(srcdir)/gcc.1.
6604 * gcc.texi: Add macros @gccoptlist and @gol.
6605 * invoke.texi: Include option summary in manpage. Mark up option
6606 summary with @gccoptlist and @gol. Use @r in one place where
6608 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6609 * gcc.1: Generate from invoke.texi.
6611 2001-01-13 Richard Henderson <rth@redhat.com>
6613 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6614 (struct page_entry): Add group member.
6615 (struct page_group): New.
6616 (struct globals): Add page_groups member.
6617 (alloc_anon): Only define for using mmap; remove valloc call.
6618 (page_group_index): New.
6619 (set_page_group_in_use): New.
6620 (clear_page_group_in_use): New.
6621 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6622 (free_page, release_pages): Likewise.
6623 * configure.in (with-gc): Default to ggc-page always.
6625 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6627 * reload1.c (replace_pseudos_in_call_usage): Use
6628 reg_equiv_constant and reg_equiv_address, and don't try
6629 regno_reg_rtx first.
6631 2001-01-13 Richard Henderson <rth@redhat.com>
6633 * ggc-page.c (alloc_page): Round up allocation size to one page.
6634 Set e->order on extra pages.
6636 2001-01-13 Richard Henderson <rth@redhat.com>
6638 * genrecog.c (nodes_identical): Expand commentary.
6639 (write_switch): Watch out for identical nodes.
6641 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6643 * cppfiles.c (_cpp_fake_include): New function.
6644 * cpphash.h (_cpp_fake_include): New.
6645 * cpplib.c (do_line): Call _cpp_fake_include when entering
6646 header files in preprocessed input.
6647 * cppmain.c (cb_pragma_implementation): Remove handling.
6648 (setup_callbacks): Don't register pragmas.
6650 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6652 * extend.texi: Udate for CPP.
6654 2001-01-13 Andreas Jaeger <aj@suse.de>
6656 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6658 * regmove.c: Add prototype for replace_in_call_usage.
6660 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6662 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6663 struct cpp_chunk, struct htab, struct toklist,
6664 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6665 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6666 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6667 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6668 (struct macro_args): Delete.
6669 * cpphash.h: See above.
6671 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6673 * cppmain.c (struct printer): Remove no_line_dirs.
6675 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6676 : Use options rather than CPP_OPTION.
6677 (setup_callbacks): Use cb rather than pfile->cb.
6678 (main): No need to check for a buffer. Use cpp_errors.
6679 (printer_init): Don't set no_line_dirs.
6680 (maybe_print_line): Use options not no_line_dirs.
6681 (cb_file_change): Don't call print_line if -P.
6683 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6685 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6687 * c-parse.in (finish_parse): Use cpp_errors.
6688 (__yylex): Use return value of cpp_pop_buffer.
6689 * cp/lex.c (finish_parse): Use cpp_errors.
6690 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6692 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6694 * README.AVR: URLs corrected.
6696 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6698 * c-decl.c (start_function): Don't warn if old prototype is builtin
6699 that's not in C's namespace.
6700 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6701 (_bb): Add prototype for ctime.
6702 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6704 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6706 * i386.c (ix86_fp_comparison_arithmetics_cost,
6707 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6708 ix86_fp_comparison_cost): New functions.
6709 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6710 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6711 two-branch sequences; make static.
6712 (ix86_use_fcomi_compare): Do decision according to the costs.
6713 (split_fp_branch): New.
6714 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6715 * i386-protos.h (ix86_expand_fp_compare): Remove
6716 (ix86_split_fp_branch): Declare.
6718 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6719 and ix86_comparison_operator.
6721 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6724 * i386.c (put_condition_code): Output properly the unordered/ordered
6725 compares in fp case.
6726 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6728 * tm.texi (REVERSE_CONDITION): Document.
6729 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6730 in -ffast-math mode.
6731 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6733 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6735 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6737 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6740 * config/sh/sh.c (mova_p): Fix test for mova_const.
6742 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6744 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6745 cpp_get_options rather than dereferencing pfile and using
6747 * scan-decls.c (scan_decls): Use return value of
6748 cpp_pop_buffer rather than CPP_BUFFER.
6750 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6752 * cppinit.c (cpp_handle_option): help_only is now part of the
6753 cpp_options structure.
6754 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6755 cpp_set_callbacks): New functions.
6756 * cpplib.h (cpp_callbacks): Break out as a named structure.
6757 (cpp_options): Move help_only here from cpp_reader.
6758 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6759 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6760 cpp_set_callbacks): New prototypes.
6761 * cppmain.c (main): Update for help_only.
6763 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6765 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6766 Also build and remove and install and uninstall c-tree.info and
6768 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6769 ($(srcdir)/cppinternals.info): New target.
6770 * c-tree.texi: Change file name used when makeinfo used without -o
6771 from ir.info to c-tree.info. Add info directory entry.
6772 * cppinternals.texi: Add info directory entry.
6773 * .cvsignore: Update.
6775 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6777 * c-typeck.c (store_init_value): Don't require constant initializer
6778 elements with -pedantic -std=c99.
6779 (digest_init): Change error about non-constant initializer elements
6781 (constructor_range_end): Remove.
6782 (constructor_incremental, designator_depth,
6783 designator_errorneous): New variables.
6784 (struct constructor_stack): Remove range_end, add incremental.
6785 (struct constructor_range_stack, constructor_range_stack): New.
6786 (struct initializer_stack): Add constructor_range_stack.
6787 (finish_init): Set it.
6788 (start_init): Likewise. require_constant_elements for non-static
6789 trees only if not flag_isoc99.
6790 (really_start_incremental_init): Remove constructor_range_end, add
6791 constructor_incremental.
6792 (pop_init_level): Likewise.
6793 (push_init_level): Likewise. If implicit and the subobject had some
6794 value set already, preinitialize the level with it.
6795 Warn about missing braces only if not pushing due to designators.
6796 (set_designator, push_range_stack): New functions.
6797 (set_init_label): Use them.
6798 (set_init_index): Likewise. Remove constructor_range_end.
6799 Error if designator index is outside of array bounds.
6800 (add_pending_init): Compare values of purpose index trees, not the
6801 trees themselves. Allow overwriting of already initialized element.
6802 Issue a warning if it had side-effects.
6803 (set_nonincremental_init, set_nonincremental_init_from_string): New
6805 (pending_init_member): Rename to...
6806 (find_init_member): ...this function. Call set_nonincremental_init
6807 if necessary. Compare values of purpose index trees, not the trees
6808 themselves. Return the actual value, not just non-zero if something
6810 (output_init_element): Remove checks for duplicates.
6811 If field has zero size, only check the initializer for correctness.
6812 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6813 if constructor_incremental is zero. Change error about initializers
6814 not computable at load time into pedwarn.
6815 (output_pending_init_elements): Compare bit positions, not
6816 FIELD_DECLs to take into account zero-sized fields.
6817 (process_init_element): Use constructor_range_stack to fill all
6818 ranges in the designator lists from current level up.
6819 * extend.texi: Update documentation for labeled elements.
6821 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6823 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6824 to function usage for arguments passed by reference. Optimize
6825 callee-copied arguments.
6826 * regmove.c (replace_in_call_usage): New function.
6827 (fixup_match_1): Call it.
6828 * cse.c (cse_insn): Canonicalize registers in function usage.
6829 * reload1.c (replace_pseudos_in_call_usage): New function.
6832 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6835 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6837 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6840 2001-01-12 DJ Delorie <dj@redhat.com>
6842 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6843 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6846 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6848 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6849 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6850 -std options alongside references to -ansi. Update some
6851 documentation for C99.
6852 * cpp.1: Regenerate.
6854 2001-01-12 Andreas Jaeger <aj@suse.de>
6856 * haifa-sched.c (restore_line_notes): Remove argument block B
6858 * sched-ebb.c (schedule_ebb): Change caller.
6859 * sched-rgn.c (schedule_region): Likewise.
6860 * sched-int.h (restore_line_notes): Adjust prototype.
6862 * loop.h: Remove wrong declaration of doloop_condition_get.
6864 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6866 * extend.texi: Move C++-extension-related node from the C section
6867 into the C++ section.
6869 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6871 * extend.texi: Refer to an array of pointers to functions instead
6872 of one of functions.
6874 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6875 Jan Hubicka <jh@suse.cz>
6877 * combine.c (reversed_comparison): Fix typo in last patch.
6879 (combine_reversed_comparison_code): Make static to follow
6880 prototype declaration.
6882 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6884 * install.texi: Remove misplaced duplicate entry.
6886 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6888 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6890 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6892 * final.c: (leaf_function_p): Fix typo.
6894 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6896 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6897 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6899 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6900 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6901 mmap_anon, and valloc is available.
6902 * ggc-page.c: Restructure ifdef logic to match new autoconf
6903 spec. Don't throw away the test page in init_ggc.
6905 * configure, config.in: Regenerate.
6907 2001-01-12 Michael Hayes <mhayes@redhat.com>
6909 * loop.h (total_biv_increment): Constify iv_class pointer.
6910 (struct induction): Replace `mem_mode' with `mem' rtx.
6911 * unroll.c (total_biv_increment): Constify iv_class pointer.
6912 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6913 (find_mem_givs, combine_givs_p): Likewise.
6914 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6916 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6918 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6920 (__gthread_getspecific): Ditto.
6922 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6924 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6925 put_condition_code): Convert fp comparison codes to integer
6927 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6930 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6931 * i386-protos.h (no_comparison_operator): Kill.
6933 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6935 * combine.c (REVERSIBLE_CC_MODE): Remove.
6936 (reversible_comparison_p): Remove.
6937 (combine_reversed_comparison_code): New.
6938 (reversed_comparison): New.
6939 (combine_simplify_rtx): Use
6940 combine_reversed_comparison_code/reversed_comparison instead
6941 of reversible_comparison_p.
6942 (simplify_if_then_else): Likewise.
6943 (simplify_set): Likewise.
6944 (simplify_logical): Likewise.
6945 (if_then_else_cond): Likewise.
6946 (known_cond): Likewise.
6947 (simplify_comparison): Likewise.
6949 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6951 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6952 sizeof (int) is larger than sizeof(__word__).
6954 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6956 * cppinit.c (do_includes): Fix typo.
6958 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6960 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6961 in S_REGS does not occur because not all sources are possible
6962 when a S_REGS is a destination (sometimes needs a clobber).
6963 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6964 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6965 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6966 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6967 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6968 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6969 (lshrdi_const1, lshrsi3_const16): Likewise.
6970 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6971 (*movhi_68hc12, *movqi_68hc12): Likewise.
6972 (movstrictqi): Make sure reloading in D_REGS as a destination
6975 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6977 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6979 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6981 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6982 -D, -U and -A, and don't initialize the builtins.
6983 (do_includes): Error if -include or -imacros with -fpreprocessed.
6984 * cppmain.c (cb_define, cb_undef): Unconditionally process
6986 * tradcpp.c (main): Fix typo.
6988 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6990 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6991 (read_name_map): Use IS_ABSOLUTE_PATH.
6992 * tradcpp.c (get_filename): Likewise.
6994 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6996 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6997 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6998 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6999 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7000 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7001 (cmphi_z_used): Don't use '@' for the output.
7002 (tstqi_z_used): Likewise.
7003 (cmpqi_z_used): Likewise.
7004 (one_cmplsi2): Likewise.
7006 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7008 * config/sh/sh.c (barrier_align): Recognize branch around far
7009 branch and redundant insn.
7011 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7013 * invoke.texi: Restore documentation of the drivers' switches -MD
7016 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7018 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7020 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7021 check-objc//%): Support parallel testing of multilibs.
7022 (TESTSUITEDIR): Set to testsuite by default, but override for
7024 (check-gcc, check-g++, check-g77, check-objc): Enter
7027 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7029 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7030 * sched-deps.c (deps_may_trap_p): Likewise.
7031 * basic-block.h: Remove a comment.
7032 * flow.c (PROP_POSTRELOAD): Remove.
7033 (update_life_info): Don't add it to prop_flags.
7034 (mark_set_1): Lose the code that was enabled by it.
7036 2001-01-11 Michael Hayes <mhayes@redhat.com>
7038 * flow.c (flow_call_edges_add): New.
7039 * basic_block.h (flow_call_edges_add): New.
7041 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7043 * reload1.c (move2add_note_store): Update reg_set_luid even if
7044 base reg remains the same.
7046 2001-01-10 Nick Clifton <nickc@redhat.com>
7048 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7049 machine_function structure to zero.
7050 Add prototypes for machine_status functions.
7052 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7054 * c-common.h (CTI_VOID_LIST): Remove.
7055 (void_list_node): Likewise.
7056 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7057 (void_list_node): New macro.
7058 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7059 * config/i386/i386.c (ix86_init_builtins): Likewise.
7060 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7062 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7064 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7065 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7067 * tradcpp.c: Include mkdeps.h.
7068 (deps, print_deps_phony_targets, deps_append, output_deps,
7069 init_dependency_output, output_deps): New.
7070 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7071 deps_output): Delete.
7072 (print_deps_missing_files): Rename deps_missing_files.
7073 (inhibit_output): Make global.
7074 (main): Delete inhibit_output, deps_stream, deps_target.
7075 Use mkdeps functionality in the same way as cpplib. Remove
7076 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7077 -M and -MM. Remove old handling of deps via deps_out, and
7078 old reading of environment variables.
7079 (get_filename): Update to use deps_add_dep.
7081 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7083 * output.h (make_function_rtl): Remove prototype.
7084 (make_decl_rtl): Likewise.
7085 * varasm.c (make_function_rtl): Remove.
7086 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7087 than from a third parameter.
7088 * tree.h (make_decl_rtl): Remove last parameter.
7089 * c-decl.c (builtin_function): Remove last argument in call to
7090 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7091 (start_function): Likewise.
7092 * except.c (call_get_eh_context): Likewise.
7093 * expr.c (emit_block_move): Likewise.
7094 (clear_storage): Likewise.
7095 * profile.c (output_func_start_profiler): Likewise.
7096 * toplev.c (rest_of_decl_compilation): Likewise.
7097 * objc/objc-act.c (create_builtin_decl): Likewise.
7098 (synth_module_prologue): Likewise.
7099 (generate_static_reference): Likewise.
7100 (build_selector_reference_decl): Likewise.
7101 (build_class_reference_decl): Likewise.
7102 (build_objc_string_decl): Likewise.
7103 (build_protocol_reference): Likewise.
7105 2001-01-10 Richard Henderson <rth@redhat.com>
7107 * hwint.h: Revert yesterday's change.
7109 2001-01-10 Nick Clifton <nickc@redhat.com>
7111 * function.h (save_machine_status): Delete.
7112 (restore_machine_status): Delete.
7113 Amend comment describing {init|mark|free}_machine_status.
7115 * function.c (save_machine_status): Delete.
7116 (restore_machine_status): Delete.
7117 Amend comment describing {init|mark|free}_machine_status.
7118 (push_function_context_to): Remove invocation of
7119 save_machine_status.
7120 (pop_function_context_from): Remove invocation of
7121 restore_machine_status.
7123 * emit-rtl.c (init_emit_once): Amend comment describing
7124 {init|mark|free}_machine_status.
7126 * tm.texi (Per-Function Data): New node. Describe the
7127 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7130 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7132 * cppinit.c (OPT_g): Remove.
7133 (cpp_handle_option): Update for removed -g3.
7134 (print_help): Update.
7135 * cpplib.h (struct cpp_options): Remove debug_output.
7136 * cppmain.c (setup_callbacks, cb_define): Update.
7137 * gcc.c (cpp_options): Translate -g3 to -dD.
7139 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7141 * config/i960/i960.md: Change modifier to + on the zero_extract
7142 pattern after the (rotate -2 reg) canonicalization pattern.
7144 2001-01-10 Richard Henderson <rth@redhat.com>
7146 * config/alpha/alpha.c (alpha_free_machine_status): New.
7147 (override_options): Install it.
7148 (alpha_mark_machine_status): Verify machine non-null.
7149 * config/i386/i386.c (ix86_free_machine_status): New.
7150 (override_options): Install it.
7151 (ix86_init_machine_status): Use xcalloc.
7152 (ix86_mark_machine_status): Verify machine non-null.
7153 * config/ia64/ia64.c (ia64_free_machine_status): New.
7154 (ia64_override_options): Install it.
7155 (ia64_mark_machine_status): Verify machine non-null.
7157 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7159 * function.c (instantiate_virtual_regs): Instantiate virtual
7160 registers found in CALL_INSN_FUNCTION_USAGE.
7162 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7164 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7165 equivalent to -ansi in disabling -Di386.
7167 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7169 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7171 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7173 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7175 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7177 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7179 * invoke.texi: Document that -fcond-mismatch isn't supported for
7182 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7184 * gcc.texi: Define macro gcctabopt.
7185 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7186 @command, @env and @option in some places where appropriate. Use
7187 @gcctabopt where appropriate. Put URLs and email addresses inside
7190 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7192 * gcc.c (cpp_options): Set MD file name from output
7193 filename, if specified.
7194 (suffix_subst): New static variable.
7195 (do_spec): Clear it.
7196 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7198 (give_switch): Handle suffix_subst.
7200 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7202 * invoke.texi: Fix another typo.
7204 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7206 * invoke.texi: Fix typo.
7208 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7210 * c-lang.c (lang_hooks): Update.
7211 (lang_decode_option): Remove.
7212 (lang_init_options): Rename c_init_options.
7213 * toplev.c (main): Use lang_hooks for lang_init_options
7214 and lang_decode_option.
7215 * toplev.h (lang_hooks): Add 2 new hooks.
7216 * tree.h: Remove lang_init_options and lang_decode_option.
7217 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7218 * cp/decl2.c: Similarly.
7219 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7220 (lang_hooks): Update.
7221 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7223 (lang_init_options): Rename ffe_init_options.
7224 (lang_hooks): Update.
7225 (lang_decode_option): Remove.
7226 * java/lang.c (lang_init_options): Rename java_init_options.
7227 (lang_decode_option): Rename java_decode_option.
7228 (lang_hooks): Update.
7229 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7230 (lang_decode_option): Rename objc_decode_option.
7231 (lang_hooks): Update.
7233 2001-01-09 Nick Clifton <nickc@redhat.com>
7235 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7236 (d30v_return_addr_rtx): Delete.
7237 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7238 cfun->machine structure.
7239 (struct machine_function): Move to d30v.h
7240 (d30v_save_machine_status): Delete.
7241 (d30v_restore_machine_status): Delete.
7242 (d30v_init_machine_status): New Function.
7243 (d30v_mark_machine_status): New Function.
7244 (d30v_free_machine_status): New Function.
7245 (d30v_init_expanders): Use new functions.
7246 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7247 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7248 d30v_return_addr_rtx.
7250 * config/d30v/d30v.h (struct_machine): Move here.
7251 Add eh_epilogue_sp_ofs field.
7253 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7254 field in cfun->machine structure.
7256 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7258 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7259 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7260 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7262 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7264 * objc/lang-options.h: Remove bogus reference to
7267 2001-01-09 Kazu Hirata <kazu@hxi.com>
7269 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7272 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7274 * reload.c (find_reloads_address): Check for eliminable registers
7275 when substituting a constant expression for a pseudo.
7277 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7279 * c-common.c (enum format_type): Add format_type_error.
7280 (decode_format_type): New function.
7281 (decl_attributes): Use it.
7282 (format_kind_info): Adjust comment.
7284 2001-01-09 David O'Brien <obrien@BSDi.com>
7286 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7287 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7289 * config/i386/gnu.h: Don't include required platform specific .h files,
7290 tm.h will do it instead.
7291 * config/i386/i386elf.h: Likewise.
7292 * config/i386/linux.h: Likewise.
7293 * config/i386/moss.h: Likewise.
7294 * config/mips/gnu.h: Likewise.
7296 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7298 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7299 (rs6000-ibm-aix3.[01]*): Likewise.
7300 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7301 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7302 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7303 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7304 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7305 (powerpc-*-eabiaix*): Likewise.
7306 (powerpc-*-eabisim*): Likewise.
7307 (powerpc-*-elf*): Likewise.
7308 (powerpc-*-eabi*): Likewise.
7309 (powerpc-*-rtems*): Likewise.
7310 (powerpc-*-linux*libc1): Likewise.
7311 (powerpc-*-linux*): Likewise.
7312 (powerpc-wrs-vxworks*): Likewise.
7313 (powerpcle-wrs-vxworks*): Likewise.
7314 (powerpcle-*-sysv*): Likewise.
7315 (powerpcle-*-elf*): Likewise.
7316 (powerpcle-*-eabisim*): Likewise.
7317 (powerpcle-*-eabi*): Likewise.
7318 (powerpcle-*-solaris2*): Likewise.
7319 * config/rs6000/aix31.h: Delete includes.
7320 * config/rs6000/aix3newas.h: Likewise.
7321 * config/rs6000/aix41.h: Likewise.
7322 * config/rs6000/aix43.h: Likewise.
7323 * config/rs6000/beos.h: Likewise.
7324 * config/rs6000/rtems.h: Likewise.
7325 * config/rs6000/sysv4.h: Likewise.
7327 2001-01-09 Kazu Hirata <kazu@hxi.com>
7329 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7330 Change an argument mode of machine_mode to shift_mode of
7331 shift_mode. Remove an extra error check.
7332 (emit_a_shift): Adopt to the new calling prototype of
7334 (function_prologue): Fix code for a monitor
7335 function. Support H8/S.
7336 (function_epilogue): Do not output pop for a monitor function.
7338 2001-01-09 Nick Clifton <nickc@redhat.com>
7340 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7341 (setup_incoming_varargs): Use sysv_varargs_p field of the
7342 cfun->machine structure.
7343 (struct machine_function): Move to rs6000.h
7344 (rs6000_save_machine_status): Delete.
7345 (rs6000_restore_machine_status): Delete.
7346 (rs6000_init_machine_status): New Function.
7347 (rs6000_free_machine_status): New Function.
7348 (rs6000_init_expanders): Use new functions.
7350 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7352 (struct machine_function): Move here.
7354 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7355 sysv_varargs_p field of the cfun->machine structure.
7357 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7359 (rs6000_restore_machine_status): Remove prototype.
7361 2001-01-09 Richard Henderson <rth@redhat.com>
7363 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7364 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7365 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7366 (sched_analyze_2, sched_analyze_insn): Likewise.
7367 (sched_analyze, init_deps): Likewise.
7368 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7369 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7370 (compute_block_backward_dependences): Update propagate_deps call.
7372 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7374 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7376 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7378 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7379 (cpp_handle_option): Handle them.
7380 (cpp_post_options): Ensure one of -M or -MM is specified with
7381 any other -M? option.
7382 (init_dependency_output): Suppress output with -MG.
7384 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7387 * invoke.texi: Update.
7389 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7391 * sh.md (reload_outsf): Generate recognizable patterns for
7394 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7396 * c-lang.c (lang_hooks): Update.
7397 (lang_init): Rename c_init.
7398 (lang_finish): Remove.
7399 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7401 * toplev.h (lang_hooks): Add init () and finish ().
7402 * tree.h (lang_init, lang_finish): Remove.
7403 * cp/tree.h (lang_init, lang_finish): Remove.
7404 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7405 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7407 (lang_init, lang_finish): Remove.
7408 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7409 (lang_hooks): Update.
7410 * java/lang.c (lang_init): Rename java_init.
7411 (lang_finish): Remove.
7412 (lang_hooks): Update.
7413 * objc/objc-act.c (lang_init): Rename objc_init.
7414 (lang_finish): Remove.
7415 (lang_hoooks): Update.
7417 20001-01-09 Graham Stott <grahams@redhat.com>
7419 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7420 after `ptr` is initialised.
7422 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7424 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7425 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7426 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7427 stack adjusts, instead of r3.
7429 2001-01-09 Michael Hayes <mhayes@redhat.com>
7431 * flow.c (flow_loop_scan): Break out of ...
7432 (flow_loops_find) ... here.
7433 * basic-block.h (flow_loop_scan): New.
7434 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7435 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7437 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7439 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7441 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7442 realloc()ing macro_buffer.
7444 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7445 if it's wider than long and the target's long is wider than the
7448 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7450 Remove support for using UWIN as a host machine.
7451 * configure.in: Issue an error message.
7452 * configure: Regenerated.
7453 * config.gcc: Remove xm_* UWIN configury.
7454 * config/i386/xm-uwin.h: Remove.
7456 2001-01-08 Nick Clifton <nickc@redhat.com>
7458 * config/v850/v850.c (ra_rtx): Delete.
7459 (v850_save_machine_status): Delete.
7460 (v850_restore_machine_status): Delete.
7461 (v850_init_machine_status): New function.
7462 (v850_mark_machine_status): New function.
7463 (v850_free_machine_status): New function.
7464 (v850_return_addr): Use ra_rtx field in machine structure.
7465 (v850_init_expanders): Use new functions.
7467 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7468 * config/v850/v850.c: Change arguments to v850_output+* functions
7469 to take a const char *, to avoid compile time warning.
7470 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7471 (USER_LABEL_PREFIX): Redefine.
7473 2000-01-08 Jim Wilson <wilson@redhat.com>
7475 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7476 1 to unsigned HOST_WIDE_INT before left shift.
7478 2001-01-08 Nick Clifton <nickc@redhat.com>
7480 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7481 the machine structure has been allocated.
7482 (arm_free_machine_status): New function: Free the machine
7483 specific function structure.
7485 2001-01-08 Richard Henderson <rth@redhat.com>
7487 * jump.c (simplejump_p): Revert last change.
7489 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7491 * cppinit.c (init): Rename init_library.
7492 (cpp_create_reader): Update.
7493 * gcc.c (cpp_options): If -o given, use it as the target of
7496 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7498 * arm.c (arm_arch5e): New variable.
7499 (all_cores): XScale is a 5TE device.
7500 (arm_override_options): Set arm_arch5e.
7501 (arm_init_builtins): __builtin_prefetch is in arch5e.
7502 * arm.h (arm_arch5e): Declare it.
7504 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7506 * arm.md (define_constants): Add defines for UNSPEC and
7507 UNSPEC_VOLATILE insns. Update all users.
7508 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7509 * arm.c (multi_register_push, note_invalid_constants)
7510 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7511 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7512 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7514 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7516 * jump.c (jump_optimize_1): Use reversed_comparison_code
7517 instead of can_reverse_comparison_p.
7518 (jump_back_p): Likewise.
7519 (invert_exp_1): Likewise.
7520 (thread_jumps): Likewise.
7521 * simplify-rtx.c (simplify_unary_operation): Likewise.
7522 (simplify_ternary_operation): Likewise.
7523 * cse.c (find_comparison_args): Convert to use
7524 can_reverse_comparison_p.
7525 (record_jump_equiv): Likewise.
7527 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7529 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7530 (EPILOGUE_USES): Define.
7531 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7532 automatically stack the LR if it isn't live.
7534 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7536 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7539 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7541 * ggc-page.c (max_alignment): New structure.
7542 (MAX_ALIGNMENT): New macro.
7543 (init_ggc): Use it to round up the sizes in the
7544 extra_order_size_table.
7546 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7548 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7551 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7553 * builtins.def (BUILT_IN_FPRINTF): New entry.
7555 * c-common.c (c_expand_builtin_fprintf): New function.
7556 (init_function_format_info): Handle __builtin_fprintf.
7557 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7558 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7560 * c-decl.c (duplicate_decls): Adjust comment.
7562 * extend.texi (fprintf): Document new builtin.
7564 2001-01-07 Richard Henderson <rth@redhat.com>
7566 * jump.c (simplejump_p): Recognize any single_set jump
7569 2001-01-07 Richard Henderson <rth@redhat.com>
7571 * configure.in (slibdir): Accept an --with-slibdir option.
7572 Use "test" not "[" in configure. Default to $(libdir).
7574 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7576 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7577 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7578 (SHLIB_LINK): Create links for the soname.
7579 * config/mips/t-iris6: Likewise.
7580 * config/sparc/t-slibgcc: Likewise.
7581 * config/sparc/t-slibgcc-sld: Likewise.
7583 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7585 * config/i386/i386.c (constant_call_address_operand): Accept
7586 (const (plus (symbol_ref) (const_int))).
7587 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7588 constant_call_address_operand.
7590 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7592 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7593 and LONG_LONG_TYPE_SIZE > 32.
7595 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7597 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7598 the previous change.
7600 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7602 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7604 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7605 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7606 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7609 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7611 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7613 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7615 * c-lang.c (c_post_options): Call cpp_post_options.
7616 * objc/objc-act.c (objc_post_options): Similarly.
7617 * cppmain.c (main): Similarly.
7618 * fix-header.c (read_scan_file): Similarly.
7619 * cppinit.c (cpp_start_read): Move option consistency checks
7620 to cpp_post_options. Don't call init_dependency_output.
7621 If needed, add default target and main file dependency.
7622 (OPT_MD, OPT_MMD): Remove.
7624 (cpp_handle_option): Update for OPT_* changes.
7625 (cpp_post_options): New.
7626 (init_dependency_output): Command line -MF overrides environment
7627 variables. Don't set default target etc. Suppress output
7628 if dependencies are going to stdout.
7629 (print_help): Update.
7630 * cpplib.h (cpp_post_options): New.
7631 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7633 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7635 * jump.c (comparison_dominates_p): Support unordered compares.
7637 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7639 * simplify-rtx.c (simplify_relational_operation): Always simplify
7640 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7643 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7645 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7646 (nonzero_bits): Likewise.
7647 (simplify_comparison): Likewise.
7648 (num_sign_bit_copies): Likewise; return more sane value depending
7649 on STORE_FLAG_VALUE.
7650 (known_cond): Do not assume EQ to be always true for equivalent
7653 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7655 * cse.c (fold_rtx): Handle unordered comparisons.
7657 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7659 * rtlanal.c (set_of_1): New static function.
7660 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7661 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7662 reg_set_last_last_regno): Remove.
7663 (set_of): New global function.
7664 (set_of_data): New structure.
7665 (reg_set_p, reg_set_last): Revamp for set_of.
7666 * rtl.h (set_of): New.
7668 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7670 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7671 * extend.texi: Document _Exit builtin.
7673 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7675 * (initialize, initialize_builtins,
7676 initialize_dependency_output, initialize_standard_includes):
7677 Rename s/initialize/init. Update.
7678 (init_dependency_output): Move to after
7679 cpp_handle_options, the correct location temporally at least.
7680 (opt_comp): Move next to init (), its caller. Fix prototype.
7681 (init): Make "initialized" local scope.
7682 (cpp_create_reader): Always call init ().
7683 (cpp_start_read): Update.
7684 (output_deps): New function, broken out of cpp_finish.
7685 (cpp_finish): Break out output_deps.
7687 2001-01-07 Richard Henderson <rth@redhat.com>
7689 * collect2.c (COFF specific stuff): Revert 12-06 patch
7690 to prototype system functions.
7692 2001-01-07 Michael Hayes <mhayes@redhat.com>
7694 * hard-reg-set.h: Add multiple include guard.
7695 * basic-block.h (struct loop): Add `sink' field.
7696 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7697 (emit_iv_add_mult): Delete.
7698 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7699 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7700 (unroll_loop): Remove end_insert_before argument.
7701 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7702 (maybe_eliminate_biv_1): Likewise.
7703 (emit_iv_add_mult): Delete.
7704 (gen_add_mult, loop_regs_update): New.
7705 (loop_insn_emit_after, loop_insn_emit_before): New.
7706 (loop_insn_sink, loop_insn_sink_or_swim): New.
7707 (emit_iv_add_mult): Delete.
7708 (scan_loop): Set loop->sink.
7709 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7710 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7711 (maybe_eliminate_biv_1): Likewise.
7712 (maybe_eliminate_biv_1): Add basic block argument.
7713 * unroll.c (unroll_loop): Remove end_insert_before argument.
7714 (find_splittable_regs): Likewise.
7715 (find_splittable_regs): Use loop_insn_sink and its ilk.
7716 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7718 2001-01-07 Michael Hayes <mhayes@redhat.com>
7720 * loop.h (loop_insn_hoist): New prototype.
7721 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7722 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7723 (check_dbra_loop, load_mems): Likewise.
7724 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7725 (find_splittable_givs): Likewise.
7727 2001-01-07 Michael Hayes <mhayes@redhat.com>
7729 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7731 2001-01-07 Richard Henderson <rth@redhat.com>
7733 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7735 2001-01-07 Richard Henderson <rth@redhat.com>
7737 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7738 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7739 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7740 variant that handles a shared libgcc.
7741 (process_command): Always validate -{static,shared}-libgcc.
7742 (do_spec_1): New 'M' case.
7743 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7745 2001-01-07 Richard Henderson <rth@redhat.com>
7747 * Makefile.in (slibdir): New variable.
7748 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7749 (installdirs): Create slibdir.
7750 (install-libgcc, install-multilib): Defer to libgcc.mk.
7751 * configure.in (slibdir): Substitute.
7752 * mklibgcc.in (install): New target.
7754 * config/t-linux (SHLIB_LINK): Create links for the soname.
7755 (SHLIB_INSTALL): New.
7756 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7757 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7758 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7759 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7760 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7762 2001-01-07 Richard Henderson <rth@redhat.com>
7764 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7765 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7766 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7768 2001-01-07 Michael Hayes <mhayes@redhat.com>
7770 * loop.c (count_loop_regs_set): Delete.
7771 (load_mems_and_recount_loop_regs_set): Delete.
7772 (loop_regs_scan): Merge common code from count_loop_regs_set,
7773 scan_loop, and load_mems_and_recount_loop_regs_set.
7774 (scan_loop): Call load_mems directly and loop_regs_scan
7775 again if new registers created.
7777 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7779 * toplev.c (main): Call the front-end specific post_options
7780 hook if one is given.
7781 * toplev.h (struct_lang_hooks, lang_hooks): New.
7782 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7783 for the C front end.
7784 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7785 lang_hooks for the C++ front end.
7786 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7787 lang_hooks for the ObjC front end.
7788 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7789 * java/lang.c (lang_hooks): Hooks for the Java front end.
7791 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7793 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7794 for verbose DWARF[2] debugging.
7795 (cb_define, cb_undef): The new callbacks.
7796 * toplev.h (debug_define, debug_undef): Make const correct.
7797 * toplev.c (debug_define, debug_undef): Similarly. Do not
7798 perform the verbosity tests here anymore.
7800 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7802 * reload.c (subst_reloads): Take INSN argument. When
7803 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7804 * reload.h (subst_reloads): Adjust prototype.
7805 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7806 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7807 present in JUMP_INSNs and copy them to JUMP_LABEL.
7808 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7809 JUMP_INSNs and insns with REG_LABELs that are followed by
7810 JUMP_INSNs with the same REG_LABEL.
7811 * sched-rgn.c (is_cfg_nonregular): Likewise.
7812 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7814 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7816 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7818 2001-01-06 Richard Henderson <rth@redhat.com>
7820 * loop.c (scan_loop): Use xcalloc for the regs array.
7821 (load_mems_and_recount_loop_regs_set): Zero the new memory
7822 received from xrealloc.
7824 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7826 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7828 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7830 * integrate.c (copy_rtx_and_substitute): When copying
7831 an ignored return value, strip REG_FUNCTION_VALUE_P.
7833 2001-01-06 Michael Hayes <mhayes@redhat.com>
7835 * loop.c (debug_biv, debug_giv): New.
7836 (loop_biv_dump): Break out from ...
7837 (record_biv): ... here.
7838 (loop_giv_dump): Break out from ...
7839 (record_giv): ... here.
7840 (loop_bivs_check): Use print_simple_rtl.
7841 * unroll.c (loop_iterations): Use print_simple_rtl.
7843 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7845 * pa.md (return, return_internal): Modify patterns to prevent regrename
7846 mucking with the return pointer.
7848 2001-01-05 Richard Henderson <rth@redhat.com>
7850 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7852 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7854 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7855 version supplied by Matteo Frigo.
7857 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7859 * cpp.texi: Update for -MQ.
7860 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7861 (cpp_cleanup): Always free pfile->deps.
7862 (initialize_dependency_output): Don't create pfile->deps.
7863 (cpp_handle_option): Similarly.
7865 * gcc.c (cpp_options): Handle -MQ.
7866 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7867 * mkdeps.c (base_name): Remove.
7868 (deps_init): Don't allocate vector space until it's needed.
7869 (deps_free): Only free vectors if allocated.
7870 (deps_add_target, deps_add_dep): Update for initial allocation.
7871 (deps_add_default_target): Don't strip to the base_name.
7873 2001-01-05 DJ Delorie <dj@redhat.com>
7875 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7876 (INIT_EXPANDERS): Define.
7878 * config/v850/v850.c (struct machine_function): Define.
7879 (v850_save_machine_status): New function.
7880 (v850_restore_machine_status): New function.
7881 (v850_return_addr): New function.
7882 (v850_init_expanders): New function.
7884 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7885 and v850_init_expanders.
7887 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7889 * cpplib.h (struct cpp_reader): Add help_only field.
7890 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7891 (cpp_handle_option): Set pfile->help_only if we see -h,
7892 --help, -target-help, or --version. Print version string but
7893 do not set help_only if we see -v or -version. Make text
7894 printed by -v match that printed by (-)-version.
7896 * cppmain.c (main): Exit after option parsing if
7897 pfile->help_only is true.
7899 * toplev.c (independent_decode_option): Call print_version,
7900 then exit, if we see --version (but not -version).
7901 (print_version): Split lengthy message into two lines.
7903 2001-01-05 Nick Clifton <nickc@redhat.com>
7905 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7906 temporary string for initialisation before calling ggc_alloc_string.
7908 2001-01-06 Michael Hayes <mhayes@redhat.com>
7910 * rtl.h (print_simple_rtl): New.
7911 * print-rtl.c (print_simple_rtl): New.
7913 (print_rtx): Disable printing of flags and modes, etc.,
7914 if `flag_simple` nonzero.
7916 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7918 * function.c (fixup_var_refs): Use push_to_full_sequence where
7921 2001-01-05 Michael Meissner <meissner@redhat.com>
7923 * flags.h (flag_reorder_blocks): Add declaration.
7924 (flag_rename_block): Ditto.
7926 2001-01-05 DJ Delorie <dj@redhat.com>
7928 * function.c (reorder_blocks): Make sure the flags are all reset
7929 before using them to mark blocks, else a second invocation will
7930 corrupt the block chain.
7931 (reorder_blocks_0): New, resets the flags.
7933 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7935 * cse.c (find_comparison_args): Stop if the argument is known to
7938 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7940 * config/sh/sh.md (movdf): When splitting load into pair of
7941 registers, don't clobber the register used in the address too
7944 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7946 * varasm.c (mark_constant_pool): Improve initial comments.
7947 (mark_constants): Move marking of constants to mark_constant.
7948 (mark_constant): New function to recursively mark all constants
7949 referred to by a constant.
7951 2001-01-05 Catherine Moore <clm@redhat.com>
7953 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7955 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7957 * cp/lang-options.h: Bring comment in line with reality.
7958 * f/lang-options.h: Likewise.
7959 * java/lang-options.h: Likewise.
7960 * objc/lang-options.h: Likewise.
7961 * ch/lang-options.h: Likewise.
7962 * f/g77.texi: And update the manual.
7964 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7965 Denis Chertykov <denisc@overta.ru>
7967 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7968 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7969 * config/avr/avr.md (all peepholes that request a scratch register):
7970 Call it, FAIL the peephole if not safe (in interrupt functions).
7972 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7974 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7976 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7978 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7980 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7981 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7982 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7983 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7984 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7986 * extend.texi: Document these builtins.
7988 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7990 * c-common.c (lang_get_alias_set): Say we know nothing of
7991 VECTOR_TYPE aliasing.
7993 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7995 2001-01-05 Bruce Korb <bkorb@gnu.org>
7997 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7998 their x* equivalent versions for atexit-less systems
7999 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8000 systems (or any other system any more).
8002 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8004 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8005 output operands. Use arm_hard_register_operand for operand 4.
8006 (stmsi_postinc): Similarly.
8007 (ldmsi): Use arm_hard_register_operand for opernand 2.
8009 * arm.c (arm_hard_register_operand): New function.
8010 * arm-protos.h (arm_hard_register_operand): Prototype it.
8012 * arm.h (HARD_REGNO_RENAME_OK): Define.
8014 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8016 * simplify-rtx.c (cfc_args): add "unordered" field.
8017 (check_fold_consts): Set unordered field.
8018 (simplify_relational_operation): Simplify the unordered
8021 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8024 * emit-rtl.c (try_split): Fix code to mark labels.
8025 * jump.c (mark_jump_label): Make global.
8026 * rtl.h (mark_jump_label): Declare.
8028 * predict.c (estimate_probability): Handle unordred comparisons.
8030 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8032 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8033 * cppinit.c (initialize_dependency_output): Update.
8034 (cpp_finish): Output dummy targets for -MP.
8036 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8037 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8038 * gcc.c (cpp_options): Update to handle -MP.
8039 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8040 to quote only the default target.
8041 (deps_phony_targets): Insert a preceding newline. Rename from
8042 deps_dummy_targets for consistency.
8045 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8047 * calls.c (emit_library_call_value_1): Support
8048 INIT_CUMULATIVE_LIBCALL_ARGS.
8049 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8051 2001-01-04 Richard Henderson <rth@redhat.com>
8053 * c-decl.c (finish_struct): Detect flexible array members
8054 used in an inappropriate context.
8055 * c-typeck.c (really_start_incremental_init): Special case
8056 constructor_max_index for zero length arrays.
8057 (pop_init_level): Allow initialization of flexible array
8058 members. Deprecate initialization of zero length arrays.
8059 Don't issue missing initializer warning for flexible array
8060 members or zero length arrays.
8061 (process_init_element): Don't dereference null DECL_SIZE.
8062 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8063 Don't abort for empty constructors. Use size_binop
8064 (output_constructor): Add commentary regarding zero length
8065 array futures. Abort if we try to initialize an array of
8066 unspecified length with a non-empty constructor in the middle
8069 * extend.texi (Zero Length): Update and clarify documentation
8070 on static initialization.
8072 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8074 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8075 with more than 32767 words of local storage.
8077 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8079 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8080 for 'abs', 'labs', and 'fabs'.
8081 (c4x_expand_builtin): Likewise.
8082 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8084 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8086 * config/sh/sh.md (prget, prset): New insn types.
8087 (return delay slot): Dont' allow prset.
8088 (call, sfunc delay slot): Don't allow prget.
8089 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8090 for prset and prget.
8092 2001-01-05 Michael Hayes <mhayes@redhat.com>
8094 * loop.h (struct loop_reg): New.
8095 (struct loop_regs): Change to use array of `struct loop_reg'.
8096 * loop.c: Replace assortment of varrays with single regs array.
8097 (count_one_set): Delete may_not_move array argument
8098 and use regs array instead. All caller's changed.
8099 (count_loop_regs_set): Delete may_not_move and single_usage
8100 arguments and use regs array instead. All caller's changed.
8101 (find_single_use_in_loop): Replace usage array argument with pointer
8102 to regs structure. All caller's changed.
8103 (loop_optimize): Delete `moved_once' array.
8105 2001-01-05 Michael Hayes <mhayes@redhat.com>
8107 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8108 Use it instead of loop_info->has_call for scanning loop mems.
8109 (check_dbra_loop): Replace loop_info->has_call test with
8110 loop_info->has_nonconst_call.
8112 2000-01-04 Matthew Hiller <hiller@redhat.com>
8114 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8117 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8119 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8120 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8122 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8124 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8125 (flag_short_double, flag_short_wchar): Define.
8126 (c_common_nodes_and_builtins): Create many tree nodes shared
8127 between C and C++ here instead of in cp/decl.c and ...
8128 * c-decl.c (init_decl_processing): ... here.
8129 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8130 (flag_short_double, flag_short_wchar): Don't define.
8131 (record_builtin_type): New function.
8132 (build_void_list_node): New function.
8133 * c-common.h (flag_short_double, flag_short_wchar,
8134 record_builtin_type, build_void_list_node): Declare.
8136 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8138 * integrate.c (expand_inline_function): Don't put a virtual
8139 register into the reg map.
8141 * function.c (fixup_var_refs_1): If force_operand didn't put
8142 the address into the target, move it there.
8144 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8146 Special-case tree_decl/tree_list allocations.
8147 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8148 (OBJECT_SIZE): New macro.
8149 (NUM_EXTRA_ORDER): Likewise.
8150 (extra_order_size_table): New variable.
8151 (NUM_ORDERS): New macro.
8152 (objects_per_page_table): New variable.
8153 (object_size_table): New variable.
8154 (G.pages): Use NUM_ORDERS to bound the array.
8155 (G.page_tails): Likewise.
8156 (DIV_ROUND_UP): Remove.
8157 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8158 (alloc_page): Use OBJECT_SIZE.
8159 (size_lookup): Don't make it const.
8160 (ggc_alloc): Use OBJECT_SIZE.
8161 (ggc_set_mark): Likewise.
8162 (ggc_get_size): Likewise.
8163 (init_ggc): Set up the object_size_table, objects_per_page_table,
8164 and adjust size_lookup.
8165 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8166 (ggc_pop_context): Use NUM_ORDERS.
8167 (clear_marks): Likewise.
8168 (sweep_pages): Likewise.
8169 (poison_pages): Likewise.
8170 (ggc_print_statistics): Use OBJECT_SIZE.
8172 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8174 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8175 Only call array_size_for_constructor if last field and array type
8176 with no upper bound.
8178 2001-01-04 Philip Blundell <philb@gnu.org>
8180 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8181 from bit 31 downwards, if this requires no more insns.
8182 (count_insns_for_constant): New helper function for above.
8184 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8186 * gencodes.c (output_predicate_decls): Remove empty initializer.
8188 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8190 * tree.c (copy_node): Remove documentation about obstacks.
8191 (buidl1): Check that nobody tries to build 2-argument nodes this
8194 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8196 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8199 * gencodes.c (output_predicate_decls): Fill empty initializer
8202 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8204 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8205 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8207 (do_include): Handle missing headers like cpp0.
8208 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8209 paths with first include pathname. Don't strcat to uninitialized
8212 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8214 * regrename.c (regrename_optimize): Don't rename from frame pointer
8215 if frame_pointer_needed.
8216 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8217 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8218 (ia64_reorg): Use it instead of scheduling if ! optimize.
8219 (errata_emit_nops): Properly call asm_noperands.
8220 (ia64_sched_reorder): Finish cycle if we see an asm.
8221 (ia64_variable_issue): Clear scheduling state after asms.
8223 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8225 * cpp.texi: Update for -MT.
8226 * cppinit.c (initialize_dependency_output): Add a default
8227 target if none has been given already.
8228 (no_tgt, OPT_MT): New.
8229 (cpp_handle_option): Handle -MT. Update -M etc.
8230 * cpplib.h (struct cpp_options): Remove deps_target.
8231 * gcc.c (cpp_options): Handle -MT.
8232 * mkdeps.c (struct deps): Move from mkdeps.h.
8233 (deps_calc_target): Rename deps_add_default_target. Add a
8234 default target if none has been specified already.
8235 * mkdeps.h (struct deps): Move to mkdeps.c.
8236 (deps_calc_target): Rename deps_add_default_target.
8238 2000-01-03 Richard Henderson <rth@redhat.com>
8240 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8242 * c-typeck.c (push_init_level): Move checks for flexible array
8243 members and zero length arrays ...
8244 (pop_init_level): ... here. Silently discard empty initializations.
8246 * varasm.c (output_constructor): Update for sizeof change to
8249 * extend.texi (Zero Length): Clarify semantics.
8251 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8253 * configure.in (tm.h): Include isns-codes.h last.
8254 * configure: Rebuilt.
8256 2001-01-03 Richard Henderson <rth@redhat.com>
8258 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8259 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8261 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8263 * tradcpp.c (main): Make sure finclude() is called with a valid
8264 indepth value while handling -include.
8266 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8268 * gencodes.c (output_predicate_decls): New function.
8270 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8271 even if it is not the first time machmode.h is #included.
8272 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8273 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8274 * gcc.texi (Copyright): Added 2001.
8276 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8278 * c-common.c (c_common_lang_init): New function. Warn if format
8279 warning options which only have effects when used with -Wformat
8280 are used without -Wformat.
8281 * c-common.h (c_common_lang_init): Declare.
8282 * c-lang.c (lang_init): Call c_common_lang_init.
8283 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8285 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8287 * configure.in: Check for the mktemp command.
8288 * configure: Regenerate.
8289 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8290 $TEMP. Create temporary files with mktemp, if available at
8291 configure time; otherwise use set -C. Remove temporary files
8294 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8296 * configure.in: Require at least texinfo 4.0. Check for whether
8297 Pod::Man is sufficiently recent to regenerate GCC manpages.
8298 * configure: Regenerate.
8299 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8301 (GENERATED_MANPAGES): Define.
8302 (generated-manpages): New target. Depend on cpp.1 as well as
8304 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8305 configure to generated-manpages or empty) rather than on the
8306 manpages directly. Remove execute permission from installed
8307 gcov.1 as well as cpp.1.
8308 * cpp.1, gcov.1: Regenerate.
8310 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8312 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8313 tree_low_cst. Allow using cmpstrsi in more cases.
8315 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8317 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8320 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8322 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8323 * Makefile.in (HOST_CFLAGS): Mention build-make.
8325 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8327 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8330 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8332 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8335 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8338 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8339 reg_base_value and reg_known_value arrays.
8340 (init_alias_analysis): Add more cases to detect known values.
8341 * sched-deps.c (deps_may_trap_p): New function.
8342 (sched_analyze_2): Use it.
8344 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8346 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8347 don't discard an ASHIFTRT if we're shifting in a wider mode.
8349 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8351 * toplev.c (rest_of_compilation): Don't print basic block information
8352 when CFG isn't up to date.
8354 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8356 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8357 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8358 (UNALIGNED_SHORT_ASM_OP): Define.
8359 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8361 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8363 * fold-const.c (fold_convert): Fix typo.
8365 2001-01-02 Richard Henderson <rth@redhat.com>
8367 * c-common.h (ASM_INPUT_P): New.
8368 * c-parse.in (asm): Set it when needed.
8369 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8370 existance of an operand.
8372 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8374 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8375 (dwarf2out_frame_debug_expr): Likewise.
8376 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8378 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8380 * i386.c (ix86_split_to_parts): Return number of part required;
8382 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8384 (ix86_split_long_move): Use number of part returned
8385 by ix86_split_to_parts
8386 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8388 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8389 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8390 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8391 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8392 (ALIGN_MODE_128): Add TFmode.
8393 (IS_STACK_MODE): Likewise.
8394 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8395 (HARD_REGNO_OK): Support TFmodes.
8396 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8397 * i386.md (scheduler definitions): Use memory operand to determine
8398 fst/fld instructions; use mode attribute to determine real mode of
8400 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8401 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8403 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8405 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8407 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8409 * expr.c (store_constructor_field): Update ALIGN before calling
8412 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8414 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8417 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8419 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8422 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8424 * c-decl.c (start_function): Don't warn on third parameter to main.
8426 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8428 * tsystem.h: Define HAVE_DECL_GETOPT.
8430 2001-01-02 Philip Blundell <pb@futuretv.com>
8432 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8435 2001-01-02 Richard Henderson <rth@redhat.com>
8437 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8439 2001-01-02 Andreas Jaeger <aj@suse.de>
8441 * c-decl.c (c_decode_option): Remove support of
8444 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8445 (W_options): Add -Wmissing-noreturn here.
8447 * flow.c: Define lang_missing_noreturn_ok_p.
8448 (check_function_return_warnings): Use it.
8450 * c-common.h: Declare lang_missing_noreturn_ok_p.
8452 * c-lang.c (c_missing_noreturn_ok_p): New function.
8453 (lang_init): Set lang_missing_noreturn_ok_p.
8455 * invoke.texi (Warning Options): Document this.
8457 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8459 * extend.texi (C++ Extensions): New node for C++ attributes;
8460 describe init_priority and com_interface.
8461 * invoke.texi: Remove -finit-priority as it now has zero effect.
8462 * install.texi: Fix xref syntax.
8463 * md.texi: Likewise.
8465 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8467 * config.gcc (sparc64-wrs-vxworks*): New case.
8468 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8470 * config/sparc/sparc.c (sparc_override_options): Do support different
8471 pointer and architecture size.
8472 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8473 (POINTERS_EXTEND_UNSIGNED): Define.
8474 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8475 (FUNCTION_MODE): Define to be Pmode.
8476 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8478 * function.c (expand_function_end): Properly handle DECL_RESULT
8479 and copy when ptr_mode != Pmode.
8480 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8482 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8484 * c-common.c (c_common_nodes_and_builtins): Set prototype
8485 parameters for __builtin_fputs, __builtin_fputc and
8486 __builtin_fwrite. Don't declare plain fputc as a builtin.
8488 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8490 * loop.c (add_label_notes): Increment the label usage count when
8491 a note is added to an insn which refers to a CODE_LABEL.
8492 * gcse.c (add_label_notes): Likewise.
8494 2001-01-01 Andreas Jaeger <aj@suse.de>
8496 * loop.c (scan_loop): Use xmalloc to allocate movables.
8498 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8500 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8501 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8502 * reload1.c (REGISTER_MOVE_COST): Likewise.
8503 * regclass.c (REGISTER_MOVE_COST): Likewise.
8504 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8505 dimension. Adjust all users.
8506 (init_reg_sets_1): Iterate on all modes.
8507 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8508 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8509 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8510 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8511 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8512 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8513 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8514 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8515 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8516 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8517 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8518 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8519 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8520 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8521 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8522 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8523 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8524 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8525 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8526 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8527 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8528 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8529 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8530 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8531 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8532 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8533 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8535 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8537 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8538 arg VARIES_P. Call it with extra arg.
8539 (true_dependence): Likewise.
8540 * rtl.h (rtx_addr_can_trap_p): Declare.
8541 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8543 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8544 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8545 pic offset table register if it's zero. All callers changed.
8546 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8548 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8550 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8551 STRING_POOL_ADDRESS_P.
8553 * config/sparc/sparc.c (input_operand): Properly test for short op.
8555 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8556 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8557 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8558 * config/sparc/elf.h: No longer include sol2.h.
8559 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8560 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8562 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8564 2001-01-01 Michael Hayes <mhayes@redhat.com>
8566 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8567 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8568 (record_initial): Likewise.
8569 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8570 (remap_split_bivs): Likewise.
8572 2001-01-01 Michael Hayes <mhayes@redhat.com>
8574 * loop.c (loop_ivs_free): New function.
8575 (strength_reduce): Break out from...
8577 2001-01-01 Michael Hayes <mhayes@redhat.com>
8579 * loop.h (struct iv): New.
8580 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8581 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8582 'reg_biv_class' fields with 'regs' and 'n_regs'.
8583 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8584 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8585 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8587 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8589 * resource.c (mark_referenced_resources): Abort() before
8590 attempting to mark a pseudo register.
8591 (mark_set_resources): Likewise.
8593 2001-01-01 Michael Hayes <mhayes@redhat.com>
8595 * loop.h (REG_IV_CLASS): New accessor macro.
8596 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8597 * unroll.c (REG_IV_CLASS): Likewise.
8599 See ChangeLog.4 for earlier changes.