1 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3 * sh.md (builtin_setjmp_receiver): New expander.
5 2001-04-12 David Edelsohn <dje@watson.ibm.com>
7 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
8 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
9 for generating CONST_INT and CONST_DOUBLE.
11 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
13 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
14 already sign-extended.
15 (rs6000_emit_prologue): Make register iterator signed.
16 (rs6000_emit_epilogue): Likewise.
17 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
19 (movsf split, movdf split): Sign-extend CONST_INTs.
20 (movdi splits): Likewise.
22 2001-04-12 Kelley Cook <kelley.cook@home.com>
24 * config-lang.in (lang_dirs): Add in zlib.
26 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
28 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
29 operands that make it to RTL.
31 2001-04-11 Stan Shebs <shebs@apple.com>
33 Add Darwin (Mac OS X kernel) native support.
34 * config.gcc (powerpc-*-darwin*): Add native bits.
35 * config/darwin.c: New file, generic Darwin support functions.
36 * config/darwin.h: New file, generic Darwin definitions.
37 * config/darwin-protos.h: New file, generic Darwin prototypes.
38 * rs6000/darwin.h: New file, Darwin for PowerPC.
39 * rs6000/t-darwin: New file, Darwin makefile fragment.
40 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
41 (TARGET_MACHO): Ditto.
42 (rs6000_abi): Add ABI_DARWIN.
43 (RS6000_REG_SAVE): Add ABI_DARWIN case.
44 (RS6000_SAVE_AREA): Ditto.
45 (FP_ARG_MAX_REG): Ditto.
46 (RETURN_ADDRESS_OFFSET): Ditto.
47 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
49 (rs6000_emit_move): Add ABI_DARWIN cases.
50 (print_operand): Ditto.
51 (first_reg_to_save): Ditto.
52 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
53 (debug_stack_info): Ditto.
54 (rs6000_emit_prologue): Ditto.
55 (rs6000_emit_epilogue): Ditto.
56 (output_profiler_hook): Ditto.
57 (output_function_profiler): Ditto.
58 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
59 (output_mi_thunk): Add TARGET_MACHO case.
60 (add_compiler_stub): Ditto.
61 (output_compiler_stub): Ditto.
62 (no_previous_def): Ditto.
64 (machopic_output_stub): Ditto.
65 (rs6000_machopic_legitimize_pic_address): Ditto.
67 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
71 (load_macho_picbase): Ditto.
72 (call): Add TARGET_MACHO case to modify function.
74 (call_nonlocal_sysv): Add ABI_DARWIN case.
75 (call_value_nonlocal_sysv): Ditto.
76 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
78 (machopic_output_stub): Ditto.
79 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
81 2001-04-11 Mark Mitchell <mark@codesourcery.com>
83 * dwarf2out.c (modified_type_die): Don't create new types here.
84 * tree.h (get_qualified_type): New function.
85 (build_qualified_type): Adjust comment.
86 * tree.c (get_qualified_type): New function.
87 (build_qualified_type): Use it.
89 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
91 * cpp.texi (-Wtraditional): Update description.
93 * invoke.texi (-Wtraditional): Likewise.
95 2001-04-11 Jim Wilson <wilson@redhat.com>
97 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
98 requires more than 64 bits of alignment.
100 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
102 * cpplib.c (do_line): Sanity check iff enable checking.
104 2001-04-11 Richard Henderson <rth@redhat.com>
106 * Makefile.in (insn-recog.o): Depend on toplev.h.
107 (insn-emit.o, doloop.o): Likewise.
108 * genrecog.c, genemit.c: Include toplev.h in generated file.
109 * doloop.c: Include toplev.h.
111 2001-04-11 Mark Mitchell <mark@codesourcery.com>
113 * Makefile.in (gcse.o): Depend on params.h.
114 * gcse.c: Include params.h.
115 (gcse_main): Don't do GCSE if doing so will take inordinate
117 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
118 * params.h (MAX_GCSE_MEMORY): New macro.
120 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
122 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
124 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
126 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
128 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
130 * real.h (ereal_atof, real_value_truncate, target_isnan,
131 target_isinf, target_negative, assemble_real, debug_real): Delete
132 redundant prototypes.
134 * Makefile.in (ifcvt.o): Depend on toplev.h.
136 * c-semantics.c: Include expr.h.
138 * ifcvt.c: Include toplev.h.
140 * expr.h (rtx_equal_p): Delete prototype.
142 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
143 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
144 eliminate_constant_term, expand_complex_abs, find_single_use,
145 make_tree, init_expr_once, init_optabs, supports_one_only):
148 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
149 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
150 expand_assignment, store_expr, emit_line_note_after,
151 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
153 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
155 * sparc-protos.h: Delete redundant prototypes.
157 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
159 * reload.c (push_reload): Add condition missed in SUBREG byte
162 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
164 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
166 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
168 * i386.md (floatsisf_sse): Fix output template
169 * i386.c (ix86_expand_fp_movcc)
171 * reg-stack.c (emit_pop_insn): Handle complex modes.
172 (move_for_stack_reg): Emit proper move mode.
173 (subst_stack_regs_pat): Handle complex modes.
175 2001-04-11 Jakub Jelinek <jakub@redhat.com>
177 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
179 2001-04-10 Richard Henderson <rth@redhat.com>
181 * libgcc2.h (__terminate_func_ptr): Remove typedef.
182 (__pure_virtual, __terminate, __terminate_set_func,
183 __default_terminate, __throw_type_match, __empty,
184 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
185 __eh_rtime_match, __unwinding_cleanup, __rethrow,
186 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
187 Remove prototypes of deleted functions.
189 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
191 * c-typeck.c (convert_arguments): -Wtraditional now activates
192 -Wconversion warnings, except for changes in signed-ness.
193 Detect complex<->int & int<->complex conversions as well.
195 * invoke.texi (-Wtraditional): Document it.
197 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
199 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
200 * flow.c (set_block_for_new_insns): Remove needless cast and
201 properly check for unset block number.
203 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
205 * function.c (purge_single_hard_subreg_set): Only check REGNO if
206 the subreg was a hard register. Pseudos are left as subregs.
208 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
210 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
211 (LIB2ADD_ST): New macro, pass it to mklibgcc.
212 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
213 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
214 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
216 2001-04-09 Bo Thorsen <bo@suse.co.uk>
218 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
220 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
222 * output.h (set_block_num): Missed it earlier, remove deprecated
225 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
227 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
228 (load_killed_in_block_p): Change bb parameter from int to basic_block.
229 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
230 (handle_rd_kill_set): Change bb parameter from int to basic_block.
231 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
232 (expr_killed_p): Change bb parameter from int to basic_block, pass
233 basic_blocks instead of ints as parameters.
234 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
235 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
236 from int to basic_block, pass basic_blocks instead of ints as parms.
237 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
238 parameter from int to basic_block, pass basic_blocks instead of ints.
239 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
240 (insert_insn_end_bb): Change bb parameter from int to basic_block,
241 pass basic_blocks instead of ints.
242 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
243 basic_blocks instead of ints as parameters.
244 (pre_delete): Pass basic_blocks instead of ints as parameters.
245 (hoist_expr_reaches_here_p): Change bb parameter from int to
246 basic_block, pass basic_blocks instead of ints.
247 (hoist_code): Pass basic_blocks instead of ints as parameters.
248 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
249 Change bb parameter from int to basic_block.
250 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
251 (insert_insn_start_bb): Change bb parameter from int to basic_block,
252 pass basic_blocks instead of ints.
253 (insert_store): Pass basic_blocks instead of ints as parameters.
254 (replace_store_insn, delete_store): Change bb parameter from int to
255 basic_block, pass basic_blocks instead of ints.
256 (store_motion): Pass basic_blocks instead of ints as parameters.
258 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
260 * basic-block.h (set_new_block_for_insns): New Prototype.
261 (set_block_num): Delete prototype.
262 * flow.c (set_block_num): Remove obsolete function.
263 (set_block_for_new_insns): Set BB for single or multiple insns.
264 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
265 (process_insn_end_bb): Use set_block_for_new_insns or
266 set_block_for_insn instead of set_block_num.
267 (pre_insert_copy_insn): Use set_block_for_new_insns.
268 (update_ld_motion_stores): Use set_block_for_new_insns.
269 (insert_insn_start_bb): Use set_block_for_new_insns.
270 (replace_store_insn): Use set_block_for_new_insns.
272 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
273 Jeff Law <law@redhat.com>
275 * alias.c (get_addr): Externalize.
276 (canon_true_dependence): New function. Behaves like true_dependance
277 except it already assumes a MEM has been canonicalized.
278 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
279 * gcse.c (struct ls_expr): Add load/store expressions structure.
280 (modify_mem_list, canon_modify_mem_list): New variable.
281 (gcse_main): Initialize & finalize alias analysis. Use enhanced
282 load motion and store motion if requested.
283 (alloc_gcse_mem): Allocate space for modify_mem_list array.
284 (free_gcse_mem): Free the modify_mem_list array.
285 (oprs_unchanged_p): Use load_killed_in_block_p.
286 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
287 (mems_conflict_for_gcse_p): New function. Don't kill loads
288 with stores to themselves if its in the load/store expression list.
289 (load_killed_in_block_p): New function.
290 (canon_list_insert): New Function.
291 (record_last_mem_set_info): Keep a list of all instructions which
292 can modify memory for each basic block.
293 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
294 (oprs_not_set_p): Use load_killed_in_block_p.
295 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
296 (expr_killed_p): Use load_killed_in_block_p.
297 (compute_transp): Do not pessimize memory references.
298 (pre_edge_insert): Update stores for a load motion expression.
299 (one_pre_gcse_pass): Check loads/stores for extra load motion.
300 (ldst_entry): Find or create a ldst_expr structure.
301 (free_ldst_entry): Free memory for an individual item.
302 (free_ldst_mems): Free entire load/store expression list.
303 (print_ldst_list): Print debug info.
304 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
305 (enumerate_ldsts): Assign integer values to each entry in list.
306 (first_ls_expr): First expression in the list.
307 (next_ls_expr): Next expression in the list.
308 (simple_mem): Check if expression qualifies for ld/st expression list.
309 (invalidate_any_buried_refs): Remove from expression list if its
310 used in some other way we dont understand.
311 (compute_ld_motion_mems): Find all potential enhanced load motion
313 (trim_ld_motion_mems): Remove any expressions which are invalid.
314 (update_ld_motion_stores): Copy store values to registers for loads
315 which have been moved.
316 (regvec, st_antloc, num_store): New global statics.
317 (reg_set_info): Marks registers as set.
318 (store_ops_ok): Verfies registers expressions are valid in a block.
319 (find_moveable_store): Look for moveable stores in a pattern.
320 (compute_store_table): Find stores in a function worth moving, maybe.
321 (load_kills_store): Check dependance of a load and store.
322 (find_loads): Find any loads in a pattern.
323 (store_killed_in_insn): Check if a store is killed in an insn.
324 (store_killed_after): Check is store killed after an insn in a block.
325 (store_killed_before): Check is store killed before an insn in a block.
326 (build_store_vectors): Generate the antic and avail vectors.
327 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
328 (insert_store): Add a store to an edge.
329 (replace_store_insn): Replace a store with a SET insn.
330 (delete_store): Delete a store insn.
331 (free_store_memory): Free memory.
332 (store_motion): Perform store motion.
333 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
334 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
335 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
336 (f_options): Add gcse-lm and gcse-sm.
338 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
340 * i386.c (expand_fp_movcc): Fix condition reversal code.
342 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
343 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
344 (CLASS_MAX_NREGS): Use it.
346 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
347 handle properly complex values.
348 (CLASS_MAX_NREGS): Likewise; update comment.
350 2001-04-05 Bernd Schmidt <bernds@redhat.com>
352 * ia64.c (ia64_flag_schedule_insns2): New variable.
353 (ia64_override_options): Initialize it. Clear
354 flag_schedule_insns_after_reload.
355 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
357 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
359 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
360 Do not require source to match destination anymore;
361 Add abort to the nontrivial cases that should be handled by split.
362 (fix_trunc?fdi): Add SSE case for x86_64.
363 (floatdi?f): Likewise.
364 (floatdi?f_sse): New.
365 (fix_trunc?fdi_sse): New.
367 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
369 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
370 (DEBUG_ARANGES_END_LABEL): Ditto.
371 (dwarfout_init): Generate length and version fields at the start
372 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
373 after the length field.
374 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
375 the .debug_aranges info.
377 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
379 * i386.c (call, call_value): Make sure that resulting call_insn
380 does have proper second operand.
382 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
384 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
385 function. Remove include of sys/cygwin.h.
387 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
389 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
390 (CPP_SPEC): Always search */include/w32api for header files.
391 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
392 (LINK_SPEC): Add "cyg" to the library search prefixes.
394 2001-04-08 Philip Blundell <philb@gnu.org>
396 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
398 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
400 * cpperror.c (print_location): Don't special case <stdin>.
401 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
402 WARNING, but we don't check if we're in system headers.
403 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
404 * cpplib.c (do_warning): Warn in system headers.
406 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
408 * mbchar.c: Include config.h first.
410 2001-04-07 Zack Weinberg <zackw@stanford.edu>
412 * config.gcc: Set default for xmake_file at top, not bottom.
413 Change places that set xmake_file to "none" to set to the
414 empty string instead, or remove them entirely if there is no
415 default xmake_file for this cpu_type. Remove references to
418 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
419 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
420 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
421 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
422 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
423 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
424 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
425 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
426 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
427 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
430 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
431 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
432 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
433 config/mips/x-sysv, config/rs6000/x-aix31:
434 Just set CLIB to -lld or -lmld, as appropriate.
436 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
437 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
438 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
439 config/mips/x-iris, config/pa/x-pa:
440 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
441 OTHER_FIXINCLUDES_DIRS.
443 * config/i386/x-djgpp: Don't set LN or LN_S.
444 * config/m88k/x-dolph: Don't define __m88k__.
445 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
446 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
447 * config/i860/fx2800.h: No need to #undef SVR4.
449 38 x-host fragments remain, 2 x-cpu.
451 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
453 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
455 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
457 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
459 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
461 * configure.in: Add check for lstat.
462 * configure, config.in: Regenerate.
463 * cppinit.c (append_include_chain): Make empty path ".".
464 * cpplib.c (do_line): Don't simplify #line paths.
465 * cppfiles.c (remove_component_p): New function.
466 (find_or_create_entry): Acknowledge stat () errors during
468 (handle_missing_header): Don't simplify paths.
469 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
470 the empty path untouched. Don't leave a trailing '/'.
472 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
474 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
475 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
477 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
479 * cppfiles.c (open_file): Fail directories silently, but
480 with an errno of NOENT set.
481 (read_include_file): Move the common exit code to the sole
482 caller. Return an int indicating success or failure. Let
483 open_file handle directories.
484 (stack_include_file): If read_include_file fails,
485 push a "null" buffer.
487 2001-04-05 DJ Delorie <dj@redhat.com>
489 * function.h (virtuals_instantiated): Declare.
490 * function.c: (virtuals_instantiated): Make global.
491 * calls.c (emit_library_call_value_1): Use
492 virtual_outgoing_args_rtx only if it hasn't been instantiated.
493 Otherwise, use the stack pointer directly.
495 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
497 * i386.c (x86_initialize_trampoline): New global function.
498 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
499 (INITIALIZE_TRAMPOLINE): Move offline.
500 * i386-protos.h (x86_initialize_trampoline): Declare.
502 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
504 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
505 (lea_0): Rename to lea_1.
506 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
507 (lea_general_?): Allow SImodes on TARGET_64BIT
508 (lea_general_?_zext): New patterns.
509 (call_1, call_1_rex64): Fix.
511 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
513 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
515 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
517 * i386.c (function_arg): Return constm1_rtx for last argument.
518 (ix86_expand_prologue): Update gen_call calls.
519 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
520 * i386.md (call_pop): Likewise.
521 (call): Second operand is VOIDmode.
522 (call_0): Likewise; Support 64bits.
523 (call_exp): New expander.
524 (call_1): Get to the sync.
525 (call_1_exp): New pattern.
526 (call_value): Support 64bit.
527 (call_value_exp): New pattern.
528 (untyped_call): Update gen_call call.
529 (call_value_pop): Disable for 64bit.
530 (call_value_0_rex64): New pattern.
531 (call_value_1_rex64): Likewise.
533 2001-04-05 Bo Thorsen <bo@suse.de>
535 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
537 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
539 * i386.md (*andsi_1+3): If used after reload, make sure the operand
540 satisfies ANY_QI_REG_P.
542 2001-04-05 Bernd Schmidt <bernds@redhat.com>
544 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
547 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
550 2001-04-04 Zack Weinberg <zackw@stanford.edu>
552 * config.gcc: Remove default for xm_file. Clean up local
553 machine type handling. Remove settings of xm_file to
554 something that doesn't exist. In the big switch, set xm_file,
555 don't append to it (the value before the big switch is always
556 null). Don't force build_xm_file or host_xm_file to have a value.
557 * configure.in: Remove default for xm_file. Do not special
558 case $cpu/xm-$cpu.h not existing.
559 * configure: Regenerate.
561 2001-04-04 Diego Novillo <dnovillo@redhat.com>
563 * simplify-rtx.c (simplify_binary_operation): Check for overflow
564 when folding integer division and modulo operations.
566 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
568 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
569 instead of DWARF2_ADDR_SIZE for EH addresses.
570 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
573 2001-04-04 Richard Henderson <rth@redhat.com>
575 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
576 * config/ia64/t-glibc (LIB2ADDEH): Disable.
577 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
579 2001-04-04 Richard Henderson <rth@redhat.com>
581 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
582 * configure: Rebuilt.
584 2001-04-04 Jakub Jelinek <jakub@redhat.com>
586 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
587 push insns to delete to it instead of deleting them.
588 (delete_null_pointer_checks): Delete insns from delete_list after
589 all delete_null_pointer_checks_1 passes are done.
591 2001-04-04 Richard Henderson <rth@redhat.com>
593 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
594 * configure: Rebuilt.
596 2001-04-04 Zack Weinberg <zackw@stanford.edu>
598 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
599 * config/romp/xm-romp.h: Delete.
601 2001-04-04 Bernd Schmidt <bernds@redhat.com>
603 * sched-deps.c (sched_analyze_insn): Partially revert March 27
606 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
608 * emit-rtl.c (mark_label_nuses) Increment the label uses for
609 all labels present in rtx.
610 (try_split) Call new function for all split insns.
612 2001-04-04 Jakub Jelinek <jakub@redhat.com>
614 * recog.c (validate_replace_rtx_1): Instead of aborting just make
615 sure the change won't be validated.
617 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
619 * rtl.h (set_noop_p): Declare.
620 * flow.c (set_noop_p): Move from here ...
621 * rtlanal.c (set_noop_p): ... to here and enhance.
622 * cse.c (delete_trivially_dead_insns): Use it.
623 * gcse.c (hash_scan_set): Likewise.
624 * jump.c (delete_noop_moves): Likewise.
625 * recog.c (split_all_insns): Likewise.
627 2001-04-04 Alan Modra <alan@linuxcare.com.au>
629 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
630 stack pointer via a LO_SUM. Ditto for setting a temp register
631 used to save to the stack. Set cfa_temp when setting fp, and
632 allow matches to cfa_temp in addition to cfa_store when saving
633 regs. Handle POST_INC and LO_SUM register stores. Document the
634 changes and errors in rule 12 doco.
636 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
637 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
638 (load_reg): Move closer to epilogue code.
639 (DO_FRAME_NOTES): Define to control the following..
640 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
641 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
643 (hppa_expand_epilogue): Likewise.
645 2001-04-03 Richard Henderson <rth@redhat.com>
647 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
648 * configure: Rebuild.
650 2001-04-03 Richard Henderson <rth@redhat.com>
652 * rtl.h (LCT_THROW): New.
653 * calls.c (emit_library_call_value_1): Handle it.
654 * except.c (connect_post_landing_pads): Use it.
656 2001-04-03 Zack Weinberg <zackw@stanford.edu>
658 * gansidecl.h: Delete file.
659 * configure.in: Change all refs to gansidecl.h to use
660 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
662 * configure: Regenerate.
664 * Makefile.in (intl.o): Don't depend on gansidecl.h.
665 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
666 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
667 Don't include gansidecl.h.
668 * intl.c, main.c, version.c, fixinc/fixlib.h,
669 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
672 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
674 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
677 2001-04-03 Zack Weinberg <zackw@stanford.edu>
679 * config/i386/xm-beos.h, config/i386/xm-isc.h,
680 config/i386/xm-next.h, config/i386/xm-sco.h,
681 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
682 config/m88k/xm-m88k.h: Delete.
684 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
685 * config/romp/xm-romp.h: Don't define bcopy.
686 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
687 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
689 * config.gcc: Remove references to deleted files.
691 14 xm-host.h remain, 1 xm-cpu.h.
693 2001-04-03 Jakub Jelinek <jakub@redhat.com>
694 David S. Miller <davem@pierdol.cobaltmicro.com>
695 Andrew MacLeod <amacleod@redhat.com>
697 Use byte offsets in SUBREGs instead of words.
699 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
700 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
701 to pass new argument.
702 (add_stored_regs): Use subreg_regno_offset function.
703 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
705 (precompute_arguments): Use gen_lowpart_SUBREG.
706 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
707 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
708 (simplify_set): Rework to use SUBREG_BYTE.
709 (expand_field_assignment): Use SUBREG_BYTE.
710 (make_extraction): Use SUBREG_BYTE.
711 (if_then_else_cond): Use SUBREG_BYTE.
712 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
713 (gen_lowpart_for_combine): Compute full byte offset.
714 * cse.c (mention_regs): Use SUBREG_BYTE.
715 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
716 (canon_hash): Use SUBREG_BYTE.
717 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
718 (gen_lowpart_if_possible): Formatting.
719 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
721 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
722 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
723 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
724 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
725 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
726 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
727 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
728 certain invariants about SUBREGs the compiler creates.
729 (gen_lowpart_SUBREG): New function.
730 (subreg_hard_regno): New function to get the final register number.
731 (gen_lowpart_common): Use SUBREG_BYTE.
732 (gen_imagpart): Spacing nits.
733 (subreg_realpart_p): Use SUBREG_BYTE.
734 (gen_highpart): Use SUBREG_BYTE.
735 (subreg_lowpart_p): Always compute endian corrected goal offset,
736 even at the byte level, then compare against that.
737 (constant_subword): New function, pulled out all constant cases
738 from operand_subword and changed second argument name to offset.
739 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
740 and call constant_subword to do the work. Return const0_rtx if
741 looking for a word outside of OP.
742 (operand_subword_force): Change second arg name to offset.
743 * expmed.c (store_bit_field): Use SUBREG_BYTE.
744 (store_split_bit_field): Use SUBREG_BYTE.
745 (extract_bit_field): Use SUBREG_BYTE.
746 (extract_split_bit_field): Use SUBREG_BYTE.
747 (expand_shift): Use SUBREG_BYTE.
748 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
749 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
750 * flow.c (set_noop_p): Use SUBREG_BYTE.
751 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
752 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
753 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
755 (optimize_bit_field): Use SUBREG_BYTE.
756 (purge_addressof_1): Use SUBREG_BYTE.
757 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
758 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
759 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
760 * gengenrtl.c (special_rtx): Add SUBREG.
761 * global.c (mark_reg_store): Use SUBREG_BYTE.
762 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
763 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
764 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
765 final byte offset is congruent to subreg's mode size.
766 (subst_constants): Use SUBREG_BYTE.
767 (mark_stores): Use subreg_regno_offset function.
768 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
769 function and SUBREG_BYTE.
770 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
771 (reg_is_born): Use subreg_hard_regno.
772 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
773 endian correction code. Don't combine subregs unless resulting
774 offset aligns with type. Fix subreg constant extraction for DImode.
775 Simplify SUBREG of VOIDmode CONST_DOUBLE.
776 (general_operand): Remove dead mode_altering_drug code.
777 (indirect_operand): Use SUBREG_BYTE.
778 (constrain_operands): Use subreg_regno_offset function.
779 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
780 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
781 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
782 * regs.h (REG_SIZE): Allow target to override.
783 (REGMODE_NATURAL_SIZE): New macro which target can override.
784 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
785 on the entire subreg rtx.
786 (push_reload): Use SUBREG_BYTE in comments and code.
787 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
788 for hard registers inside subregs.
789 (operands_match_p): Use subreg_regno_offset.
790 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
791 containing hard regs.
792 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
793 corrections when fixing up MEM subregs.
794 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
795 subreg_regno_offset where appropriate.
796 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
797 byte endian corrections when fixing up MEM subregs.
798 (subst_reloads): When combining two subregs, make sure final
799 offset is congruent to subreg's mode size.
800 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
801 (refers_to_regno_for_reload_p): Use subreg_regno.
802 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
803 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
804 correction code for memory subreg fixups.
805 (forget_old_reload_1): Use subreg_regno_offset.
806 (choose_reload_regs): Use subreg_regno.
807 (emit_input_reload_insns): Use SUBREG_BYTE.
808 (reload_combine_note_store): Use subreg_regno_offset.
809 (move2add_note_store): Use subreg_regno_offset.
810 * resource.c (update_live_status, mark_referenced_resources): Use
811 subreg_regno function.
812 (mark_set_resources): Use subreg_regno function.
813 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
814 (subreg_regno_offset, subreg_regno): Define prototypes.
815 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
816 (gen_lowpart_SUBREG): Add prototype.
817 * rtl.texi (subreg): Update to reflect new byte offset representation.
818 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
819 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
820 (reg_overlap_mentioned_p): Use subreg_regno.
821 (replace_regs); Make sure final offset of combined subreg is
822 congruent to size of subreg's mode.
823 (subreg_regno_offset): New function.
824 (subreg_regno): New function.
825 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
826 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
827 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
828 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
829 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
830 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
831 (a29k_get_reloaded_address): Use SUBREG_BYTE.
832 (print_operand): Use SUBREG_BYTE.
833 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
834 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
835 (arm_reload_out_hi): Use SUBREG_BYTE.
836 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
837 instead of SUBREG_WORD.
838 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
839 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
840 SUBREG creation to use byte offset.
841 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
842 inverted load insns): Fix explicit rtl subregs to use byte
844 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
845 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
846 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
847 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
849 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
850 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
851 offsets, also make sure it is congruent to SUBREG's mode size.
852 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
853 unnamed ldob insn): Generate SUBREGs with byte offset.
854 (zero_extendqihi2): SUBREG's are byte offsets.
855 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
856 (m68hc11_gen_highpart): Use SUBREG_BYTE.
857 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
858 zero-extendqisi2): Generate SUBREGs with byte offset.
859 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
860 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
861 subregs in rtl to use byte offsets.
862 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
863 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
864 (mips_move_2words): Use subreg_regno_offset.
865 (mips_secondary_reload_class): Use subreg_regno_offset.
866 * config/mips/mips.md (DImode plus, minus, move, and logical op
867 splits): Fixup explicit subregs in rtl to use byte offsets.
868 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
869 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
870 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
871 rtl to use byte offsets.
872 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
873 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
874 subregs to use byte offsets.
875 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
876 Fixup explicit subregs in rtl to use byte offsets.
877 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
878 and remove byte endian correction code.
879 * config/sh/sh.c (output_movedouble): Use subreg_regno.
880 (gen_ashift_hi): Use SUBREG_BYTE.
881 (regs_used): Use subreg_regno_offset.
882 (machine_dependent_reorg): Use subreg_regno_offset.
883 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
884 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
885 (movdf_i4): Subregs are byte offsets now.
886 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
887 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
888 (REGMODE_NATURAL_SIZE): Override.
889 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
890 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
892 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
893 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
894 extendqidi2): Generate SUBREGs with byte offsets, also make sure
895 it is congruent to SUBREG's mode size.
896 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
898 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
899 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
900 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
901 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
902 * config/v850/v850.c (print_operand, output_move_double): Use
903 subreg_regno function.
905 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
907 * configure.in (target_subdir): Use target_alias, not target.
908 * configure: Rebuilt.
910 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
912 * config/sh/crti.asm: Fix typos in comments.
914 2001-04-03 Alan Modra <alan@linuxcare.com.au>
916 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
917 TARGET_FAST_INDIRECT_CALLS.
918 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
920 (return_addr_rtx): Short circuit export stub matching when
921 TARGET_NO_SPACE_REGS.
922 (output_millicode_call): For out of range calls, make -fPIC
923 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
924 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
925 * pa.md: Modify length attr calculation of all millicode insns to
928 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
930 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
931 Require at least 2.11 in the version test. Specifically check
932 for and reject GAS version 2.10.90.
933 * configure: regenerate.
935 2001-04-03 Alan Modra <alan@linuxcare.com.au>
937 * pa.c (override_options): Remove PIC profiling warning.
938 (hp_profile_labelno): Delete.
939 (hp_profile_label_rtx): Delete.
940 (hp_profile_label_name): Delete.
941 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
942 (output_function_prologue): Remove profiling code and all tests on
943 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
944 merge_sp_adjust_with_store can work for PIC and profiling.
945 (hppa_expand_epilogue): Remove profile_flag test.
946 (hppa_can_use_return_insn_p): Likewise.
947 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
948 cater for PROFILE_HOOK.
949 (hppa_profile_hook): New function.
950 * pa.h (FUNCTION_PROFILER): Now does nothing.
951 (PROFILE_HOOK): Define.
952 (hppa_profile_hook): Declare.
953 (PROFILE_BEFORE_PROLOGUE): Delete.
954 (ASM_OUTPUT_REG_PUSH): Delete.
955 (ASM_OUTPUT_REG_POP): Delete.
956 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
957 r24. Accept function name operand, and use this and a locally
958 generated label to calculate pc-rel offset to func start.
960 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
962 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
963 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
966 2001-04-03 Alan Modra <alan@linuxcare.com.au>
968 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
969 LO_SUM cases to where they belong.
971 2001-04-02 Richard Henderson <rth@redhat.com>
973 * except.h (lang_eh_type_covers): Mark extern.
974 (lang_eh_runtime_type): Likewise.
976 2001-04-02 Zack Weinberg <zackw@stanford.edu>
978 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
979 gengenrtl.c: Wrap generated header in multiple-include guard.
980 Improve error checking.
982 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
984 * configure.in: Don't check for putenv.
985 * configure: Regenerate.
986 * gcc.c (putenv): Don't define.
987 * vax/xm-vms.h: Handle putenv.
989 2001-04-02 Jakub Jelinek <jakub@redhat.com>
991 * ifcvt.c (noce_emit_move_insn): New.
992 (noce_try_store_flag, noce_try_store_flag_constants,
993 noce_try_store_flag_inc, noce_try_store_flag_mask,
994 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
995 noce_try_abs): Use it.
996 (noce_process_if_block): Likewise.
997 For STRICT_LOW_PART, take mode from its SUBREG.
999 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1001 * fold-const.c (fold): Before optimizing unsigned comparison with
1002 0x7fffffffU, make sure arg0 is integral type.
1004 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1006 * c-tree.texi: Document representation of wide strings.
1008 2001-04-01 Richard Henderson <rth@redhat.com>
1010 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1012 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1014 * i386.md: remove obsoleted comments.
1015 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1016 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1017 fix output template.
1019 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1021 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1023 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1025 * loop.c (load_mems): When generating a load from a pseudo, update
1028 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1030 * i386.c (ix86_split_long_move): Use change address to compensate
1031 stack pointer change in push instruction.
1033 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1035 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1036 instead of rtx_equal_p; fix the output template.
1038 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1040 * i386.c (ix86_expand_setcc): Support 64bit.
1041 (ix86_expand_int_movcc): Likewise.
1042 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1045 * i386.md (allocate_stack_worker): Turn to expander.
1046 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1048 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1050 2001-03-29 Richard Henderson <rth@redhat.com>
1052 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1054 2001-03-28 Matthew Hiller <hiller@redhat.com>
1056 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1059 * MAINTAINERS: Added self.
1061 2001-03-28 Richard Henderson <rth@redhat.com>
1063 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1064 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1066 2001-03-28 Jim Wilson <wilson@redhat.com>
1068 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1071 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1073 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1075 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1078 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1080 2001-03-28 DJ Delorie <dj@redhat.com>
1082 * Makefile.in (stage1_build): Revert CFLAGS patch.
1084 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1086 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1087 when multiplier or multiplicand is zero.
1089 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1091 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1093 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1095 (set_src_needs_barrier): Likewise.
1096 (rtx_needs_barrier): For SET case, use these two functions. Rework
1097 PARALLEL case to handle all inputs before all outputs.
1098 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1099 saw a label and no stop bit since then.
1100 (maybe_rotate, process_epilogue): Add prototypes.
1102 2001-03-28 Richard Henderson <rth@redhat.com>
1104 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1105 not TARGET_TOC for special toc restore handling.
1106 * config/rs6000/rs6000.md (eh_return): Likewise.
1108 2001-03-28 Richard Henderson <rth@redhat.com>
1110 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1111 current_function_calls_eh_return.
1112 (output_function_epilogue): Handle eh_return.
1113 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1114 (EH_RETURN_DATA_REGNO): New.
1115 (EH_RETURN_STACKADJ_RTX): New.
1116 (EH_RETURN_HANDLER_RTX): New.
1117 * config/sparc/sparc.md (call/short branch peepholes): Check
1118 can_throw_internal instead of in_same_eh_region.
1120 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1121 for eh_return data registers.
1122 (rs6000_emit_prologue): Save eh_return data registers.
1123 (rs6000_emit_epilogue): Force inline restores if eh_return.
1124 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1125 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1126 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1127 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1128 the target uses one.
1129 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1130 (return_eh_si, return_eh_di): Remove.
1131 (eh_return): New, from corpse of eh_epilogue.
1132 (eh_set_lr_si, eh_set_lr_di): New.
1134 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1135 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1136 True for pic register if current_function_calls_eh_return.
1137 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1138 Handle eh_return requirements.
1139 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1140 (EH_RETURN_STACKADJ_RTX): New.
1141 * config/i386/i386.md (exception_receiver): Remove.
1142 (eh_return, eh_return_1): New.
1143 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1145 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1146 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1147 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1148 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1149 (EH_RETURN_DATA_REGNO): New.
1150 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1151 * config/alpha/alpha.md (eh_epilogue): Remove.
1152 (exception_receiver): Use $26 for ldgp input.
1153 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1155 2001-03-28 Richard Henderson <rth@redhat.com>
1157 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1158 * except.h: Likewise.
1160 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1161 (LIB2ADDEHDEP): New.
1162 (LIB2FUNCS_EH): Remove.
1163 (LIB2ADD): Remove LIB2ADDEH.
1164 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1165 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1166 (crt{begin,end}[S].o): Likewise.
1167 (except.o): Update includes.
1168 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1169 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1171 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1172 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1173 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1174 * builtins.c (expand_builtin): Implement it.
1175 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1176 * c-common.c (c_common_nodes_and_builtins): Declare it.
1177 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1178 * calls.c (libfunc_nothrow): Remove.
1179 (emit_library_call_value_1): Don't call it.
1180 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1181 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1182 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1183 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1184 (current_funcdef_number): Globalize.
1185 (output_call_frame_info): Emit frame data if an lsda is needed.
1186 Generate augmentation for personality routine. Don't play with
1188 (dwarf2out_begin_prologue): Record funcdef_number.
1189 * dwarf2out.h (current_funcdef_number): Declare.
1190 * expr.c (expand_expr): Update for except.h name changes.
1191 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1192 * expr.h (LTI_throw, LTI_rethrow): Remove.
1193 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1194 (LTI_eh_rtime_match): Remove.
1195 (LTI_unwind_resume, LTI_eh_personality): Add.
1196 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1197 * final.c (final): Don't call check_exception_handler_labels,
1198 init_insn_eh_region, or free_insn_eh_region.
1199 (final_scan_insn): Always emit debug labels for
1200 NOTE_INSN_EH_REGION notes.
1201 * flags.h (flag_new_exceptions): Remove.
1202 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1203 (record_active_eh_regions): Remove.
1204 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1205 Use can_throw_internal.
1206 (find_basic_blocks_1): Likewise.
1207 (move_stray_eh_region_notes): Remove.
1208 (find_label_refs): No eh_return_stub_label.
1209 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1210 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1212 (delete_unreachable_blocks): Don't track deleted handlers.
1213 (flow_delete_block): Use maybe_remove_eh_handler.
1214 (delete_eh_regions): Remove.
1215 (merge_blocks): Don't check for eh region match.
1216 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1217 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1218 (init_propagate_block_info): Disable dead frame store optimization
1219 when current_function_calls_eh_return.
1220 (dump_bb): Don't print eh_beg, eh_end.
1221 * function.c (fixup_var_refs): No catch_clauses.
1222 (expand_function_end): Likewise. Call expand_eh_return before
1223 the return register use. Call sjlj_emit_function_exit_after.
1224 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1225 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1226 * ifcvt.c (dead_or_predicable): Remove eh region check.
1227 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1228 Don't check for EH vs parameters.
1229 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1230 (expand_inline_function): Call duplicate_eh_regions.
1231 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1232 (copy_insn_notes): Remap REG_EH_REGION notes.
1233 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1234 * integrate.h (struct inline_remap): Add local_return_label.
1235 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1236 check_exception_handler_labels, nor exception_optimize.
1237 (find_cross_jump): No EH region check.
1238 * optabs.c (init_optabs): Update for changed eh libfuncs.
1239 * rtl.def (RESX): New.
1240 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1241 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1242 checks. Update for except.h name changes.
1243 (expand_cleanups): Likewise.
1244 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1245 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1246 (compile_file): Call init_eh before init_optabs. Don't
1247 output_exception_table here.
1248 (rest_of_compilation): Call convert_from_eh_region_ranges,
1249 convert_to_eh_region_ranges, output_function_exception_table.
1250 Don't emit_eh_context.
1251 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1252 (EXC_PTR_EXPR): New.
1254 * md.texi (eh_epilogue): Remove.
1255 (eh_return): Document.
1256 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1257 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1259 * eh-common.h: Remove file.
1260 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1261 * libgcc2.c (L_eh): Remove.
1263 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1264 * unwind-dw2-fde.h: New file.
1265 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1266 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1267 * libgcc-std.ver: Update for eh symbols.
1269 2001-03-27 Richard Henderson <rth@redhat.com>
1271 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1272 reduce false positives.
1273 (regmove_optimize): Disable if flag_non_call_exceptions.
1275 * stmt.c (expand_return): Remove always true predicate.
1276 (expand_decl_cleanup_no_eh): Remove dead code.
1278 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1279 barrier code. Add a scheduling barrier if a non-call insn
1280 can throw internally.
1282 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1283 Auto-inc addresses trap only if their base register does.
1285 * except.c (can_throw_internal): Rename from can_throw.
1286 * except.h, resource.c: Update references.
1288 * integrate.c (copy_insn_list): Use returnjump_p.
1289 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1291 * function.h (struct function): Move all boolean valued fields
1292 to single bit fields at the end of the struct.
1294 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1296 Rename asynchronous_exceptions to flag_non_call_exceptions.
1298 * gthr-single.h (UNUSED): New. Distinguish between how C
1299 and C++ mark unused function arguments. Use throughout.
1301 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1302 value to target configuration header.
1303 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1304 * config.in, configure: Rebuild.
1305 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1306 configuration and target defines.
1307 (exceptions_via_longjmp): Remove.
1308 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1309 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1311 * except.h (flag_non_call_exceptions): Move ...
1312 * flags.h: ... here.
1314 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1315 exceptions, put the note on the trapping instruction.
1317 * flags.h (flag_new_exceptions): Remove.
1318 * toplev.c: Don't set it.
1319 * final.c: Don't check it.
1320 * except.c: Provide stub definition.
1322 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1323 (calculate_global_regs_live): Kill call-clobbered registers
1324 across exception edges.
1325 * reg-stack.c (convert_regs_1): Kill the entire target stack
1326 across non-call exception edges.
1328 * flow.c (cleanup_cfg): Take no argument.
1329 * output.h, sibcall.c, toplev.c: Update all calls.
1331 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1333 * configure.in: Don't check for bcopy.
1334 * configure, config.in: Regenerate.
1336 * system.h: Don't define or prototype bcopy, instead poison it.
1338 2001-03-27 Richard Henderson <rth@redhat.com>
1340 * function.c (expand_function_start): Set DECL_REGISTER on
1341 a pseudo used for DECL_RESULT.
1343 * rtl.h (LCT_NORETURN): New.
1344 * calls.c (emit_library_call_value_1): Handle it.
1346 2001-03-27 Stan Shebs <shebs@apple.com>
1348 * objc/objc-act.c (objc_init): Use dump_base_name.
1349 (gen_declaration): Clear the buffer arg.
1350 (gen_declaration_1): New function, body of gen_declaration.
1351 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1352 (gen_method_decl): Ditto, plus always clear buffer arg.
1353 (error_with_ivar): Simplify.
1354 (warn_with_method): Ditto.
1355 (build_message_expr): Don't clear buffers.
1356 (dump_interface): Ditto.
1357 (objc_debug): Ditto.
1358 (build_keyword_selector): Clear the buffer by only zeroing
1360 (objc_implementation_context): Declare.
1361 (start_class): Warn about missing @end.
1362 (finish_objc): Ditto.
1364 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1366 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1368 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1370 * Makefile.in (SYSTEM_H): Define.
1371 Depend on $(SYSTEM_H), not system.h.
1373 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1375 2001-03-27 Jim Wilson <wilson@redhat.com>
1377 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1379 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1380 (process_epilogue): New static function.
1381 (process_set): Call process_epilogue instead of emitting .restore
1383 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1385 * flow.c (struct reg_cond_life_info): New fields orig_condition
1387 (init_propagate_block_info): Set new fields.
1388 (mark_regno_cond_dead): Set and use new fields.
1389 (flush_reg_cond_reg_1): Likewise.
1390 (and_reg_cond, case AND): Check for redundant AND conditions.
1391 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1394 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1396 * cppmacro.c (stringify_arg): Null terminate strings.
1398 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1400 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1401 inclusion style. xm-m68hc11.h no longer exists.
1402 * config/m68hc11/xm-m68hc11.h: Delete file.
1403 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1405 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1406 Don't define GCC_VERSION, N_, or PARAMS; don't include
1407 gansidecl.h or stdio.h. Define inhibit_libc here.
1408 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1409 Delete code conditioned on #if GCC_VERSION == 2095.
1411 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1412 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1413 Delete code conditioned on #if GCC_VERSION == 2095.
1415 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1417 * system.h: Include symcat.h.
1418 (STRINGIFY): Don't define.
1420 * configure.in: Adjust comment.
1422 * builtins.c: Use STRINGX, not STRINGIFY.
1423 * gencheck.c: Likewise.
1424 * gengenrtl.c: Likewise.
1425 * protoize.c: Likewise.
1427 * cpplex.c: Don't include symcat.h.
1428 * cpplib.c: Likewise.
1430 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1432 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1434 * c-typeck.c (digest_init): Fold init expression.
1436 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1438 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1440 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1442 * except.c (eh_regs): Save results of build_pointer_type to a temp
1443 as FUNCTION_VALUE macro may evaluate its args multiple times.
1445 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1447 * c-common.h (DECL_NUM_STMTS): New macro.
1448 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1450 (pushdecl): Likewise.
1451 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1452 * integrate.c (expand_inline_function): Don't check
1454 * print-tree.c (print_node): Don't print it.
1455 * toplev.c (rest_of_compilation): Don't try to inline when
1456 flag_no_inline is on.
1457 * tree.h (DECL_FRAME_SIZE): Remove.
1458 (tree_decl): Adjust accordingly.
1460 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1462 * combine.c (try_combine): Use memcpy, not bcopy.
1464 * genattrtab.c (expand_units): Likewise.
1466 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1468 * i386.md (push mem DI peep2): New.
1469 (mov 0, mov -1 peep2): Handle 64bit.
1470 (lea to arithmetics peep2): Handle 64bit leas.
1471 (rsp arithmetics to push/pop peep2s): New.
1473 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1475 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1477 * i386.c (struct machine_function): Add save_varrargs_registers.
1478 (ix86_save_varrargs_registers): New macro.
1479 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1480 (ix86_expand_prologue): Likewise.
1481 (ix86_emit_epilogue_esp_adjustement): Likewise.
1482 (ix86_expand_epilogue): Likewise.
1483 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1484 (pro_epilogue_adjust_stack_1): New insn.
1485 (pro_epilogue_adjust_stack_rex64): Likewise.
1486 * i386.h (MASK_NO_RED_ZONE): New constant.
1487 (TARGET_RED_ZONE): New macro.
1488 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1489 (RED_ZONE_SIZE): New constant.
1490 (RED_ZONE_RESERVE): New constant.
1492 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1494 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1496 2001-03-25 Kazu Hirata <kazu@hxi.com>
1498 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1501 (umodhi3): Likewise.
1504 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1506 * mkconfig.sh (DEFINES): Handle entries with '='.
1508 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1509 Set xm_defines to MACRO=value instead.
1511 * i370/xm-mvs.h: Delete.
1513 * ns32k/xm-pc532-min.h: Likewise.
1515 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1517 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1519 use ix86_expand_binary_operator
1520 (?sh??i_?): Disable for 64bit.
1521 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1522 * i386.c (shiftdi_operand): New predicate.
1524 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1525 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1526 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1527 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1528 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1529 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1530 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1531 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1532 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1533 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1534 (rotldi3, rotrdi3): New expanders.
1536 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1538 * i386.md (movstrsi): Move offline.
1540 (strmovdi_rex64): New.
1541 (strmov?i): Accept 64bit.
1542 (strmov?i_rex64): New.
1543 (strmov?i_rex_1): New.
1544 (strmov?i_1): Disable for 64bit.
1545 (rep_mov?i_rex64): New.
1546 (rep_mov?i): Disable for 64bit.
1547 (clrstrsi): Move offline.
1548 (strset?i_rex64): New.
1549 (strset?i: Accept 64bit.
1550 (rep_stos?i): Disable for 64bit.
1551 (rep_stos?i_rex64): New.
1552 (strset?i_rex_1): New.
1553 (strset?i_1): Disable for 64bit.
1554 (cmpstrsi): Accept 64bit.
1555 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1556 (cmpstrqi_nz_rex_1): New.
1557 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1558 (strlensi): Move offline.
1560 (strlenqi_1): Disable for 64bit; fix constraints.
1561 (strlenqi_rex_1): New.
1562 * i386.c (ix86_adjust_counter): New static function.
1563 (ix86_zero_extend_to_Pmode): Likewise.
1564 (ix86_expand_aligntest): Likweise.
1565 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1566 (ix86_expand_movstr): New global function.
1567 (ix86_expand_clrstr): New global function.
1568 (ix86_expand_strlen): New global function.
1569 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1570 ix86_expand_strlen): Declare.
1571 (ix86_expand_strlensi_unroll_1): Delete.
1573 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1575 * i386.md (cmpdi): Fix operand predicates.
1576 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1577 cmpdi_1_insn_rex64): New patterns.
1578 (adddi3): Turn to expander.
1579 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1580 (addsi3_carry_zext): New pattern.
1581 (adddi_?_rex64): New patterns and splitters.
1582 (addsi_?_zext): New patterns.
1583 (subsi3_carry_zext): New pattern.
1584 (subdi_?_rex64): New patterns and splitters.
1585 (iorsi_?_zext): New patterns.
1586 (iordi_?_rex64): New patterns and splitters.
1587 (iorsi_?_zext): New patterns.
1588 (iorsi_?_zext_imm): New patterns.
1589 (xorsi_?_zext): New patterns.
1590 (xordi_?_rex64): New patterns and splitters.
1591 (xorsi_?_zext): New patterns.
1592 (negdi*): New patterns.
1593 (one_cmpldi*): Likewise.
1594 (one_cmplsi*_zext, negsi*_zext): Likewise.
1595 (testqi_ext_3_rex64): New pattern.
1597 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1599 * i386-protos.h (ix86_split_long_move): Return void.
1600 * i386.c (ix86_split_to_parts): Handle 64bit target.
1601 (ix86_split_long_move): Likewise.
1602 * i386.md (all calls to ix86_split_long_move): Update.
1604 2001-03-23 Richard Henderson <rth@redhat.com>
1606 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1607 to avoid shadowing arguments.
1609 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1611 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1612 to variable names where DECL_NAME is different from
1613 DECL_ASSEMBLER_NAME.
1615 2001-03-23 Jim Wilson <wilson@redhat.com>
1617 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1618 (assemble_alias): Call make_decl_rtl.
1620 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1622 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1624 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1626 * extend.texi: Document the "java_interface" attribute.
1628 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1630 * mkconfig.sh: Use a subshell with redirected stdout,
1631 instead of closing stdout and confusing commands that run
1632 afterward. Throw away output of cmp.
1634 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1636 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1638 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1640 * i386.md (zero_extendsidi2_32): Break out from ...
1641 (zero_extendsidi2): ... here ; turn to expander.
1642 (zero_extendsidi2_rex64): New.
1643 (extendsidi2_32): Break out from ...
1644 (extendsidi2): ... here ; turn to expander.
1645 (extendsidi2_rex64): New.
1646 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1647 (trunc?f?f splitters): Add 64bit versions.
1649 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1651 * i386.md (pushsi, pushsi2_prologue): Disable.
1652 (pushsi2_rex64): New.
1653 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1654 (movqi_ext_1): Disable for 64bit.
1655 (movqi_ext_1_rex64): New.
1656 (pushdi2_rex64): New pattern, peep2s and splitter.
1657 (pushdi2_prologue_rex64): New pattern.
1658 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1660 (movdi splitters): Disable for 64bit.
1661 (movdi_1_rex64): New pattern, peep2s and splitters.
1662 (swapdi): New pattern.
1663 (pushsf): Disable for 64bit.
1664 (pushsf_rex64): New pattern and splitter.
1665 (pushdf_nointeger): Disable for 64bit.
1666 (pushdf_integer): Handle the 64bit case.
1667 (pushtf): Likewise; update splitters.
1669 2001-03-22 Richard Henderson <rth@redhat.com>
1671 * mkconfig.sh: Include insn-flags.h.
1672 * Makefile.in (CONFIG_H): Include insn-flags.h.
1673 (lots of objects): Remove insn-codes.h and insn-flags.h.
1675 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1676 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1677 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1678 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1679 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1680 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1681 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1682 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1683 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1684 v850/v850.c, vax/vax.c:
1685 Don't include insn-flags.h.
1687 * diagnostic.c, expr.h, reload.c, toplev.c:
1688 Don't include insn-codes.h.
1690 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1691 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1692 c4x/c4x.c, i960/i960.c, mips/mips.c:
1693 Don't include insn-codes.h or insn-flags.h.
1695 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1696 or insn-flags.h in the generated code.
1697 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1698 (main): Forward declare struct rtx_def.
1700 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1702 * invoke.texi (-ffast-math): Remove duplicate line about
1705 * gcc.texi: Remove more obsolete documentation of bugs and
1706 installation problems.
1708 2001-03-21 Kazu Hirata <kazu@hxi.com>
1710 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1713 2001-03-20 Jason Merrill <jason@redhat.com>
1715 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1717 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1718 * varasm.c (CHKR_PREFIX): Likewise.
1720 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1722 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1723 is part of a multi-SET insn.
1725 * cse.c (find_comparison_args): Remove previous change.
1726 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1729 * config/i386/i386.md (conditional_trap): Remove warning.
1731 * recog.c (push_operand): Fix error in last change that caused
1732 undefined symbol on many targets.
1734 * sdbout.c: #include ggc.h.
1735 (sdbout_init): Move to end of file.
1736 Call ggc_add_tree_root for anonymous_types.
1737 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1738 (sdbout_one_type): Use DECL_NAME for field name.
1739 * Makefile.in (sdbout.o): Show includes ggc.h.
1741 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1743 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1744 (override_options): Use properlimits for preferred_stack_boundary.
1745 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1747 (ext_register_operand): Accept DImode.
1748 (load_pic_register): Abort on 64bit.
1749 (gen_push): Use Pmode instead of SImode.
1750 (ix86_save_reg): Pic reg is never used on 64bit.
1751 (ix86_expand_prologue): Likewise.
1752 (ix86_emit_save_regs): Use Pmode instead of SImode.
1753 (legitimate_address_p): Check displacement for 64bit.
1754 (print_operand): Avoid outputting of (%rip) on 64bit.
1755 (print_operand_address): Output (%rip) where possible.
1756 (split_di): Abort on 64bit registers.
1757 (ix86_expand_branch): DImode comparison is simple for x86_64.
1758 (memory_address_length): Recognize memory addresses formed using
1760 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1762 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1764 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1766 * recog.c (push_operand): Recognize new format of push instructions.
1768 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1770 * i386.md (pushqi1): New.
1771 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1772 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1773 x86_64_immediate_operand, x86_64_immediate_operand,
1774 x86_64_zext_immediate_operand): Declare.
1775 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1776 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1777 x86_64_immediate_operand, x86_64_immediate_operand,
1778 x86_64_zext_immediate_operand): define.
1779 * i386.h (PREDICATE_CODES): Add new predicates.
1781 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1783 * i386.md (pophi1, popqi1, pushqi1): Remove.
1785 * expr.c (emit_single_push_insn): New function.
1786 (move_by_pieces): Accept NULL as destination for push instructions.
1787 (gen_push_operand): Kill.
1788 (emit_push_insn): Pass NULL when pushing; avoid updating of
1789 stack_pointer_delta.
1790 * expr.h (gen_push_operand): Kill.
1792 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1794 * rtl.texi (COMPARE): Clarify documentation and reference section
1797 2001-03-20 Stan Shebs <shebs@apple.com>
1799 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1800 (get_object_reference): Ditto.
1801 (error_with_ivar): Use error_with_file_and_line.
1802 (warn_with_method): Use warning_with_file_and_line.
1804 2001-03-20 Tom Tromey <tromey@redhat.com>
1806 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1808 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1810 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1811 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1813 2001-03-20 DJ Delorie <dj@redhat.com>
1815 * Makefile.in (install-libgcc): Pass complete list of variables.
1816 (install-multilib): Ditto.
1818 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1820 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1821 drectve_section, switch_to_section.
1823 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1824 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1825 i386_pe_mark_dllimport.
1827 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1829 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1830 functions i386_pe_*.
1832 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1833 i386_pe_* functions with char * arguments.
1835 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1837 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1839 (movsi_ie): Introduce fpul store.
1841 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1843 * Makefile.in (OBJS): Remove hashtab.o.
1845 2001-03-19 Stan Shebs <shebs@apple.com>
1847 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1848 * c-lang.c (maybe_objc_method_name): Ditto.
1849 * c-tree.h (maybe_objc_method_name): Remove decl.
1851 2001-03-19 Tom Tromey <tromey@redhat.com>
1853 * gcc.c (init_gcc_specs): Fix comment.
1855 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1857 Compute DECL_ASSEMBLER_NAME lazily.
1858 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1859 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1860 (SET_DECL_ASSEMBLER_NAME): Likewise.
1861 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1862 (set_decl_assembler_name): Declare.
1863 (lang_set_decl_assembler_name): Likewise.
1864 * tree.c (lang_set_decl_assembler_name): New variab.e
1865 (set_decl_assembler_name): New function.
1866 (init_obstacks): Set lang_set_decl_assembler_name.
1867 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1868 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1869 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1870 where it's not necessary.
1871 (builtin_function): Likewise.
1872 (finish_decl): Likewise.
1873 * dbxout.c (dbxout_type_methods): Likewise.
1874 * ggc-common.c (ggc_mark_trees): Likewise.
1875 * profile.c (output_func_start_profiler): Likewise.
1876 * varasm.c (make_decl_rtl): Likewise.
1878 * cse.c (find_comparison_args): Update documentation. Fix
1879 mishandling of COMPARE operations.
1881 * tree.def (ABS_EXPR): Add documentation.
1882 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1884 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1886 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1888 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1890 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1891 Remove ia32 linux PIC kludge and move it...
1892 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1894 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1896 * i386.md (absdf2 expander): Fix 64bit case.
1898 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1900 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1902 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1904 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1906 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1908 * README.X11: Remove obsolete file.
1910 2001-03-18 Anthony Green <green@redhat.com>
1912 * config/pj/pj.h: Remove some trailing commas.
1913 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1915 2001-03-18 Richard Henderson <rth@redhat.com>
1917 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1918 * calls.c: ... here.
1919 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1920 defaults for them here.
1922 2001-03-17 Anthony Green <green@redhat.com>
1924 * config/pj/lib1funcs.S: Fix broken comment.
1925 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1928 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1930 * gcc.texi: Remove obsolete information relating to build and
1931 installation problems with enquire or the Pyramid C compiler.
1933 2001-03-17 Richard Henderson <rth@redhat.com>
1935 * dwarf2out.c (queue_reg_save): New.
1936 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1937 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1939 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1940 (cfa, cfa_store, cfa_temp): Make static.
1941 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1943 2001-03-17 Richard Henderson <rth@redhat.com>
1945 * integrate.h (struct inline_remap): Add local_return_label.
1946 * integrate.c (expand_inline_function): Initialize it and emit
1947 it after copy_insn_notes.
1948 (copy_insn_list): Don't store local_return_label here.
1949 (copy_insn_notes): New function split out from copy_insn_list.
1951 2001-03-17 Richard Henderson <rth@redhat.com>
1953 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1954 is generating .debug_line.
1955 (dwarf2out_init): Add main_input_filename to the file table first.
1956 * configure.in (as_dwarf2_debug_line): Test with file number 1
1957 instead of file number 0.
1959 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1961 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1962 (gen_rtx_combine): Deleted; all references changed as appropriate.
1963 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1965 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1967 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1969 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1972 2001-03-16 Jim Wilson <wilson@redhat.com>
1974 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1975 then set it to LOC_REG (79) instead of aborting.
1977 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1979 * gccbug.in: Remove high priority.
1981 2001-03-16 Richard Henerson <rth@redhat.com>
1983 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1984 output with a space instead of deleting it.
1985 * configure: Regenerate.
1987 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1989 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1990 handles the gory details of converting an object file into
1991 something that's safe to grep.
1992 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1993 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1994 newlines at either end of the string we're looking for.
1995 Make 'checking ...' message less stilted.
1996 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1997 ARM in-memory layout and its hypothetical converse. Don't
1998 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1999 HOST_WORDS_BIG_ENDIAN.
2001 * configure.in: Adjust for renamed macro. Move
2002 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2003 * configure, config.in: Regenerate.
2005 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2007 * fixinc/Makefile.in: Set SHELL.
2009 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2011 * fixinc/fixincl.c (fix_with_system): Quote file names before
2012 passing them to shell.
2014 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2016 * Makefile.in: Use fix-header$(build_exeext) instead
2019 2001-03-16 Richard Henderson <rth@redhat.com>
2021 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2022 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2023 (size_of_line_prolog): Remove.
2024 (output_line_info): Compute prologue size via label difference.
2025 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2027 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2028 assembler error when redefining file numbers.
2029 * config.in, configure: Rebuild.
2031 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2032 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2033 (dw2_asm_output_delta_uleb128): Likewise.
2034 (dw2_asm_output_delta_sleb128): Similarly.
2035 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2037 2001-03-16 Michael Meissner <meissner@redhat.com>
2039 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2041 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2043 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2045 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2046 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2047 being unsigned in ISO C and signed in traditional.
2048 (expand_prologue): Ditto.
2049 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2051 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2053 (divsi3,divdi3): Ditto.
2054 (modsi3,moddi3): Ditto.
2055 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2056 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2057 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2060 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2062 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2063 SSE based conditional moves on LTGT/UNEQ conditions;
2064 Canonicalize EQ to NE.
2065 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2066 (sse_mov?fcc_ne): New.
2068 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2070 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2072 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2073 register may be dead.
2075 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2077 * Makefile.in (hash.o): Depend on CONFIG_H.
2079 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2081 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2083 2001-03-15 Richard Henderson <rth@redhat.com>
2085 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2086 (ASM_OUTPUT_DWARF_PCREL): New.
2087 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2089 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2091 * cppfiles.c (stack_include_file): Use MAX of sysp.
2093 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2095 * config.gcc (ia64*-*-hpux*): New case.
2096 * config/ia64/hpux.h: New file for HP-UX support.
2097 * config/ia64/t-hpux: New file for HP-UX support.
2099 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2101 * fixinc/inclhack.def (irix_stdio_va_list): New.
2102 * fixinc/fixincl.x: Rebuilt.
2104 2001-03-15 Richard Henderson <rth@redhat.com>
2106 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2107 if provided by the target.
2108 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2109 (dw2_asm_output_addr): New.
2110 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2111 * dwarf2out.c (output_cfi): Use it for program addresses.
2112 (output_call_frame_info, output_die): Likewise.
2113 (output_aranges, output_line_info): Likewise.
2115 2001-03-15 Bruce Korb <bkorb@gnu.org>
2117 * gcc.c(main): make more rigorous
2118 * collect2.c(main): guard against ignoring SIGCHLD
2119 * protoize.c(main): ditto
2120 * gcc/fixinc/fixincl.c(initialize): ditto
2122 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2124 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2125 (sdbout_parms): Likewise.
2127 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2129 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2130 "widen" a destination that is already wider than a word. Also do
2131 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2133 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2135 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2137 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2139 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2141 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2143 * i960.h (i960_maxbitalignment,
2144 i960_last_maxbitalignment): Declare.
2145 * i960.c (i960_maxbitalignment,
2146 i960_last_maxbitalignment): Make global.
2147 (process_pragma): Delete.
2148 (i960_pr_align, i960_pr_noalign): Move from here ...
2149 * i960-c.c: ... to this new file.
2150 * t-960bare (i960-c.o): New rule.
2151 * t-vxworks960 (i960-c.o): Likewise.
2152 * config.gcc (i960-*-*): Define c_target_objs and
2155 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2157 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2158 without adding in rtx code and mode.
2160 * alias.c (init_alias_analysis): Don't use any rtx whose value
2161 varies as a known value.
2162 Delete a superfluous test.
2164 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2166 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2167 scheduling a stop bit.
2168 (ia64_emit_nops): Correctly handle ASMs.
2170 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2172 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2174 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2176 * cpp.texi: Update documentation for -include and -imacros.
2177 * cppfiles.c (struct include_file): Remove "defined" memeber.
2178 (find_or_create_entry): Make a copy of the file name, and
2180 (open_file): Update to ensure we use the simplified filename.
2181 (stack_include_file): Don't set search_from.
2182 (cpp_included): Don't simplify the path name here.
2183 (find_include_file): New prototype. Call search_from to
2184 get the start of the "" include chain. Don't simplify the
2186 (_cpp_execute_include): New prototype. Move diagnostics to
2187 do_include_common. Update.
2188 (_cpp_pop_file_buffer): Don't set defined.
2189 (search_from): New prototype. Use the preprocessor's cwd
2190 for files included from the command line.
2191 (read_name_map): Don't simplify the pathname here.
2192 * cpphash.h (enum include_type): New.
2193 (struct buffer): Delete search from. New search_cached.
2194 (_cpp_execute_include): Update prototype.
2195 * cppinit.c (do_includes): Use _cpp_execute_include.
2196 * cpplib.c (do_include_common): New function.
2197 (do_include, do_include_next, do_import): Use it.
2199 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2201 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2202 contents of the RTL, to determine the name of the object.
2204 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2206 * tree.h (DECL_RTL): Allocate RTL lazily.
2207 (SET_DECL_RTL): New macro.
2208 (DECL_RTL_SET_P): Likewise.
2209 (COPY_DECL_RTL): Likewise.
2210 (DECL_RTL_IF_SET): Likewise.
2211 * varasm.c (make_decl_rtl): Add assertions about the kind of
2212 declaration we are processing.
2213 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2214 (start_decl): Likewise.
2215 (finish_decl): Likewise.
2216 * c-semantics.c (emit_local_var): Likewise.
2217 * calls.c (expand_call): Likewise.
2218 * dbxout.c (dbxout_symbol): Likewise.
2219 * emit-rtl.c (unshare_all_rtl): Likewise.
2220 (unshare_all_decls): Likewise.
2221 (reset_used_decls): Likewise.
2222 * expr.c (store_constructor): Likewise.
2223 (safe_from_p): Likewise.
2224 (expand_expr): Likewise.
2225 * function.c (put_var_into_stack): Likewise.
2226 (instantiate_decls_1): Likewise.
2227 (assign_parms): Likewise.
2228 (expand_function_start): Likewise.
2229 (expand_function_end): Likewise.
2230 * ggc-common.c (gcc_mark_trees): Likewise.
2231 * integrate.c (function_cannot_inline_p): Likewise.
2232 (copy_decl_for_inlining): Likewise.
2233 (expand_inline_function): Likewise.
2234 (integrate_parm_decls): Likewise.
2235 (integrate_decl_tree): Likewise.
2236 * print-tree.c (print_node): Likewise.
2237 * reg-stack.c (stack_result): Likewise.
2238 * stmt.c (label_rtx): Likewise.
2239 (expand_return): Likewise.
2240 (expand_decl): Likewise.
2241 (expand_decl_cleanup): Likewise.
2242 (expand_anon_union_decl): Likewise.
2243 * toplev.c (check_global_declarations): Likewise.
2244 (rest_of_decl_compilation): Likewise.
2245 * tree.c (simple_cst_equal): Likewise.
2246 * objc/objc-act.c (generate_static_references): Likewise.
2248 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2250 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2251 gcc_AC_C_FLOAT_FORMAT): New macros.
2252 * configure.in: Add AC_PROG_CPP after CC tests;
2253 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2254 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2255 * configure, config.in: Regenerate.
2257 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2258 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2259 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2260 config/i370/xm-linux.h, config/i370/xm-oe.h,
2261 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2262 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2263 config/pa/xm-linux.h, config/pa/xm-pa.h,
2264 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2265 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2266 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2267 config/we32k/xm-we32k.h: Delete.
2269 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2270 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2271 config/vax/xm-vms.h: Don't define any of:
2272 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2274 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2276 * config.gcc: Remove references to deleted files.
2277 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2278 FATAL_EXIT_CODE, which is the same between oe and mvs).
2280 2001-03-14 DJ Delorie <dj@redhat.com>
2281 Vladimir Makarov <vmakarov@redhat.com>
2283 * config/i960/i960.c (i960_function_prologue): Compute size of
2284 frame according to number of registers actually saved there.
2286 2001-03-14 Richard Henderson <rth@redhat.com>
2288 * expr.c (emit_move_insn_1): Fix else if around #endif.
2290 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2293 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2296 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2298 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2299 (override_options): Parse cmodel string.
2300 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2301 * i386.h (TARGET_OPTIONS): Add "cmodel".
2302 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2304 (ix86_cmodel_string, ix86_cmodel): Declare.
2306 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2309 * i386.h (GENERAL_REG_P): Add missing REG_P.
2311 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2313 * configure.in: Use $gcc_cv_as instead of $as.
2314 * configure: Regenerated.
2316 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2318 * cppfiles.c (stack_include_file): Only increase the include
2319 count if we actually process the file properly, as opposed
2320 to treating it as length zero. Only call read_include_file
2321 if not DO_NOT_REREAD. Handle the -H include file output
2323 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2324 (cpp_included, find_include_file): Simplify pathnames after
2325 remapping them. If remapping, don't use the remapped file
2326 name's buffer as our scratch buffer.
2327 (cpp_pop_file_buffer): Replace the multiple include macro
2328 only if it isn't yet set.
2329 (read_name_map): Simplify remapped names when reading in.
2330 (remap_filename): Move code to code path that uses it.
2331 (_cpp_simplify_pathname): Return the input pointer.
2332 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2334 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2336 * expr.c (expand_expr): Revove bogus conditional.
2338 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2340 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2342 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2344 * reg-stack.c (stack_result): Unconditionally use
2345 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2347 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2349 * expr.c (emit_move_insn_1): Split push of complex value when
2350 no suitable push instruction exist.
2352 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2353 instead of QI_REG_P.
2355 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2357 * alias.c (handled_component_p, can_address_p): New functions.
2358 (get_alias_set): Use them.
2360 2001-03-13 Jim Wilson <wilson@redhat.com>
2362 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2363 from 80 in try_locals code.
2364 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2366 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2368 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2369 gcc_AC_C_LONG_LONG): New.
2370 * configure.in: Use them. Probe the size of short, int, long,
2371 and long long/__int64 if we have them. Move all the AC_C_*
2372 checks together, except gcc_AC_C_CHAR_BIT which has to go
2373 after AC_CHECK_HEADERS(limits.h).
2374 Take hwint.h out of host_xm_file and build_xm_file.
2376 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2377 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2378 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2379 Move the HOST_WIDEST_INT setup logic here from system.h.
2380 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2382 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2383 is now handled by hwint.h.
2385 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2386 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2387 config/ia64/xm-ia64.h: Don't define any of:
2388 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2389 HOST_BITS_PER_LONGLONG.
2391 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2392 config/h8300/xm-h8300.h, config/mips/iris6.h,
2393 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2394 config/sparc/xm-sp64.h: Delete.
2395 * config.gcc: Remove references to deleted files.
2397 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2398 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2399 * config/i370/xm-linux.h: Clarify floating-point situation in
2402 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2404 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2405 (find_include_file): Decide here which part of the include
2406 chain to start the search. Complain about an empty include
2407 chain in all cases apart from an abolsute file name.
2408 (_cpp_execute_include): Don't choose the search chain here.
2409 Don't call handle_missing_include in the case of an empty
2411 (_cpp_compare_file_date): Don't choose the search chain here.
2412 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2413 here from _cpp_execute_include. Behave like #include if
2414 we're in the main file.
2416 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2418 * system.h (malloc, realloc, calloc, strdup): Only poison these
2419 tokens when IN_GCC is defined.
2421 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2423 * i386.md (abs?f expander): Support SSE case.
2424 (abd?f_if): Add new "USE"; add splitters.
2426 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * cpp.texi (poison): Explain the macro expansion exception.
2430 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2432 * expr.c (store_expr): Add dont_store_target. If temp is already in
2433 target before copying to reg, don't store it into target again.
2435 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2437 * cppinternals.texi: Update for file handling.
2439 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2441 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2442 2001-02-24 which broke building the Java library.
2443 * function.c (identify_blocks): Likewise.
2444 (all_blocks): Likewise.
2445 * integrate.c (integrate_decl_tree): Likewise.
2446 * print-tree.c (print_node): Likewise.
2447 * tree.h (BLOCK_NUMBER): Likewise.
2448 (struct tree_block): Likewise.
2450 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2452 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2453 __WCHAR_TYPE__ definition.
2454 (WCHAR_TYPE_SIZE): #undef before #define.
2456 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2458 * cppfiles.c: Update comments.
2459 (destroy_include_file_node): Rename destroy_node.
2460 (find_or_create_entry): New function.
2461 (open_file, _cpp_fake_include): Use it.
2462 (handle_missing_header): New function, broken out of
2463 _cpp_execute include. Don't segfault if there is no
2464 system or quoted path.
2465 (_cpp_execute_include): Use handle_missing_header.
2467 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2469 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2470 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2472 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2474 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2475 unless anti_dependence says they are.
2476 * alias.c (objects_must_conflict): If neither has a type specified,
2479 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2480 David Billinghurst <David.Billinghurst@riotinto.com>
2482 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2484 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2486 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2487 (*_one_bit): Remove type on the match_operand in attributes.
2489 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2491 * i386.c: Commit forgotten hunk in previous patch.
2492 (regclass_map): Add extended registers.
2493 (dbx_register_map): Add missing frame register.
2495 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2497 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2499 * i386.md (x86_sahf_1): Disable for 64bit.
2500 (popsi*, pophi*): Likewise.
2501 (pushqi, pushhi): Likewise.
2502 (movdi, pushdi): Likewise.
2503 (zero extend DImode splitter): Likewise.
2504 (adddi, minusdi splitter): Likewise.
2505 (umulsidi): Likewise.
2507 (mulsidi): Disable for 64bit
2508 (lshift:DI/ashift:DI): Disable for 64bit.
2509 (loop patterns): Likewise.
2510 (call_pop, call_value_pop expanders and patterns): Likewise.
2511 (prologue_get_pc): Likewise.
2513 (fcmovDI pattern and splitter): Likewise.
2514 (movdfcc_1_rex64): New.
2516 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2518 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2519 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2520 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2521 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2522 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2523 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2524 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2525 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2526 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2527 (REGPARM_MAX): Set to 6 for x86_64.
2528 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2529 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2532 * (patterns that does use upper halves): Update constraints
2533 'q' to 'Q' and 'r' to 'R'.
2534 (cmpqi_ext_1): Disable for 64bit.
2535 (cmpqi_ext_3_insn): Likewise.
2536 (movqi_extzv_1): Likewsie.
2537 (addqi_ext_1): Liekwsie
2538 (testqi_ext_1): Liekwsie
2539 (andqi_ext_1): Liekwsie
2540 (xorqi_ext_1): Liekwsie
2541 (cmpqi_ext_1_rex64): New.
2542 (cmpqi_ext_3_insn_rex64): Likewise.
2543 (movqi_extzv_1_rex64): Likewsie.
2544 (addqi_ext_1_rex64): Liekwsie
2545 (testqi_ext_1_rex64): Liekwsie
2546 (andqi_ext_1_rex64): Liekwsie
2547 (xorqi_ext_1_rex64): Liekwsie
2549 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2551 * configure.in: Move check for unsigned enumerated bitfields
2552 to macro in aclocal.m4. Disable it for now.
2553 * configure, config.in: Regenerate.
2554 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2555 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2556 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2557 kind above its first use.
2559 * config/xm-interix.h, config/alpha/xm-alpha.h,
2560 config/i370/xm-linux.h, config/i386/xm-beos.h,
2561 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2562 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2563 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2564 Don't define ONLY_INT_FIELDS under any circumstances.
2566 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2568 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2569 config/sparc/xm-sysv4.h: Delete - now identical with some
2571 * config.gcc (hppa targets): Replace xm-pahpux.h and
2572 xm-papro.h with implicit xm-pa.h.
2573 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2576 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2578 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2579 before reload_cse_noop_set_p.
2581 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2583 * config.gcc: Where xm-host.h used to include another
2584 xm-host.h, list the nested header directly in xm_file. Remove
2585 references to deleted files. Can now use sparc/xm-sp64.h for
2588 * config/xm-linux.h, config/arm/xm-linux.h,
2589 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2590 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2591 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2592 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2593 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2596 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2597 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2598 bother to wrap #undef in #ifdef.
2599 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2600 Don't include xm-linux.h.
2601 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2603 * configure.in: Wrap regexps using [] in changequote block.
2604 Use expr : not echo | grep. Simplify regexps.
2605 * configure: Regenerate.
2607 56 xm-files remain, 22 xm-arch.
2609 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2611 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2612 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2613 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2614 (copy_object): Fix format specifier vs argument mismatch.
2616 * mips-tdump.c: Make local functions static.
2617 (rindex): Don't #undef.
2618 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2619 (fatal, fancy_abort): Delete.
2620 (read_seek): Avoid signed/unsigned compare.
2622 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2624 * combine.c (try_combine): Fix error in change to try original
2626 (gen_rtx_combine): Do same as gen_rtx for now.
2628 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2630 * configure.in: AC_SUBST xm_defines.
2631 * configure: Regenerate.
2632 * Makefile.in: Set DEFINES=$(xm_defines) when building
2635 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2637 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2638 (cpp_included, find_include_file): Update.
2639 (_cpp_compare_file_date): Make else unconditional.
2641 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2643 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2645 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2647 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2648 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2650 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2652 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2653 if it's a record type.
2655 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2657 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2658 mingw includes slightly.
2660 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2662 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2663 #undef token before poisoning it.
2665 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2667 * alpha.c (check_float_value): Use memcpy, not bcopy.
2669 * m32r.c (m32r_sched_reorder): Likewise.
2671 * vax.c (check_float_value): Likewise.
2673 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2675 * toplev.c (file_name_nondirectory): Remove.
2676 * toplev.h: Similarly.
2677 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2678 of file_name_nondirectory.
2680 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2682 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2683 * mips-tfile.c: Don't #undef rindex; not used.
2685 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2687 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2688 (dbx64_register_map): Declare.
2689 (RETURN_ADDR_RTX): Fix for 64bit.
2690 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2691 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2692 * i386.c (dbx64_register_map): New global array.
2693 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2694 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2697 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2699 * cppfiles.c (search_from): Use lbasename.
2700 * mkdeps.c (deps_add_default_target): Use lbasename.
2702 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2704 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2705 xcalloc in lieu of malloc, realloc & calloc.
2707 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2709 * gengenrtl.c (xmalloc): Likewise.
2711 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2712 really_call_* memory allocation routines.
2714 * stmt.c (check_for_full_enumeration_handling): Use
2715 really_call_calloc, not calloc.
2717 * system.h (really_call_malloc, really_call_calloc,
2718 really_call_realloc): Define.
2719 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2721 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2723 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2725 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2727 * configure: Rebuilt.
2728 * configure.in: Only use `lang_requires' for languages athat are
2731 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2733 * invoke.texi: Fix typo.
2734 * gcc.1: Regenerate.
2736 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2738 * configure.in: Prune nonexistent files from build_xm_file,
2739 xm_file, and host_xm_file lists. Warn unless they're
2741 Don't generate *config.h here.
2742 AC_SUBST all variables needed to generate *config.h.
2743 * configure: Regenerate.
2744 * mkconfig.sh: New helper script, from code removed from
2746 * Makefile.in: Zap all MALLOC variables - no longer used
2747 anywhere, and malloc.c doesn't exist.
2748 Substitute in variables needed to generate *config.h.
2749 Stop lying about the dependencies contained in CONFIG_H and
2751 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2752 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2753 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2754 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2755 $(TM_P_H), etc. as appropriate.
2757 * config.gcc: Zap references to deleted files.
2758 * ggc-none.c: Don't include rtl.h or tm_p.h.
2760 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2761 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2762 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2763 config/i386/xm-linux.h, config/i386/xm-linux.h,
2764 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2765 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2766 Don't include i386/xm-i386.h.
2768 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2769 config/i386/xm-i386.h, config/i860/xm-i860.h,
2770 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2771 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2772 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2773 Delete (empty except comments, #includes of other deleted
2774 files, and macros used nowhere).
2776 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2778 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2779 independent on TARGET_FLAGS.
2781 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2783 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2785 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2787 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2789 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2790 LAST_REX_SSE_REG): define.
2791 (enum reg_class): Add 'LEGACY_REGS'
2792 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2793 (SSE_REGNO_P): Recognize extended registers.
2794 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2795 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2796 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2797 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2798 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2799 REG_OK_FOR_STRREG_P): Remove.
2800 (HI_REGISTER_NAMES): Add extended registers.
2801 (ADDITIONAL_REGISTER_NAMES): Likewise.
2802 (QI_REGISTER_NAMES): Add 8bit extended registers.
2803 (DEBUG_REG): Support extended registers.
2804 * i386.c (regclass_map): Add extended registers.
2805 (dbx_register-map): Likewise.
2806 (svr4_dbx_register_map): Likewise.
2807 (print_reg): Support extended registers.
2808 (print_operand): Support 64bit operands.
2810 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2812 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2813 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2814 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2815 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2816 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2817 STACK_BOUNDARY): Set properly for 64bits.
2818 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2819 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2820 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2821 (MOVE_MAX): Set to 16.
2822 (MOVE_MAX_PIECES): 8 for 64bit.
2823 (Pmode): Set to SImode.
2825 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2827 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2829 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2831 * i386.h (mask_64bit): New constant.
2832 (target_64bit): New macro.
2833 (target_options): Add '64'/'32'
2834 (target_default): Define.
2835 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2836 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2837 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2839 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2841 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2843 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2845 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2846 LO_SUM unless for_alias is set.
2848 2001-03-08 Stan Shebs <shebs@apple.com>
2850 * objc/objc-act.c: Fix old typos in comments, add comments for
2852 (hash_init): Fix file name in error message.
2853 (hash_enter): Ditto.
2854 (hash_add_attr): Ditto.
2855 (continue_class): Ditto.
2857 2001-03-08 Bruce Korb <bkorb@gnu.org>
2859 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2860 wait4() can receive the signal.
2862 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2864 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2866 * fixinc/fixincl.x: Regenerate.
2868 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2870 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2872 * fixinc/fixincl.x: Regenerate.
2874 2001-03-08 Richard Henderson <rth@redhat.com>
2876 * configure.in (HAVE_AS_LEB128): New assembler check.
2877 * configure, config.in: Rebuilt.
2879 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2881 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2884 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2886 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2887 references to the MAXPATHLEN macro.
2889 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2890 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2893 * config/i386/xm-gnu.h, config/xm-gnu.h,
2894 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2895 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2896 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2897 and/or unused files.
2899 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2900 doing so in various xm-*.h files.
2902 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2904 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2906 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2908 * configure.in (enable_shared): Support per-package shared-library
2910 * configure: Rebuilt.
2912 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2914 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2915 for crnot. Set operands[5] in splitter.
2917 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2919 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2920 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2921 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2922 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2923 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2924 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2925 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2928 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2929 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2930 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2931 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2932 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2933 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2934 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2935 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2936 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2937 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2938 Delete unused and/or empty files.
2940 * config.gcc: Define USG in xm_defines as appropriate. Define
2941 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2942 macro. Remove deleted xm-* files from $xm_files variable.
2944 2001-03-07 Tom Tromey <tromey@redhat.com>
2946 * configure: Rebuilt.
2947 * configure.in: Allow config-lang.in to set `lang_requires' to list
2948 of other required languages.
2950 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2952 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2954 (output_prologue): Use xmalloc not oballoc.
2955 (output_epilog): Free a29k_first_epilogue_insn when finished.
2956 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2958 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2960 * builtins.c (expand_builtin_mathfn): Check
2961 flag_unsafe_math_optimizations, not flag_fast_math.
2962 (expand_builtin): Likewise
2963 * combine.c (combine_simplify_rtx): Likewise.
2964 (simplify_if_then_else): Likewise.
2965 * cse.c (fold_rtx): Likewise.
2966 * flags.h: Remove flag_fast_math. Add
2967 flag_unsafe_math_optimizations and flag_trapping_math.
2968 * fold-const.c (negate_expr): Check
2969 flag_unsafe_math_optimizations, not flag_fast_math.
2970 (invert_truthvalue): Likewise.
2971 (fold): Likewise. Before associating operands, check that
2972 code == MULT_EXPR, not code != MULT_EXPR.
2973 * ifcvt.c (noce_try_minmax): Check
2974 flag_unsafe_math_optimizations, not flag_fast_math.
2975 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2976 * invoke.texi: Document -funsafe-math-optimizations and
2977 -fno-trapping-math. Change documentation for -ffast-math.
2978 * jump.c (reversed_comparison_code_parts): Likewise.
2979 (rtx_equal_for_thread_p): Likewise.
2980 * optabs.c (emit_conditional_move): Likewise.
2981 * simplify-rtx.c (simplify_binary_operation): Likewise.
2982 (simplify_relational_operation): Likewise.
2983 (simplify_ternary_operation): Likewise.
2984 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2985 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2986 Add trapping-math and unsafe-math-optimizations entries to f_options.
2987 (set_fast_math_flags): New, sets flags for -ffast-math.
2988 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2989 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2990 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2992 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2993 (alpha_emit_conditional_move): Initialize local_fast_math to
2994 flag_unsafe_math_optimizations, not flat_fast_math.
2995 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2996 instead of setting flag_fast_math to 1.
2997 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2999 * config/i386/i386.c (override_options): Likewise
3000 * config/i386/i386.md: Likewise.
3001 * config/m68k/m68k.md: Likewise.
3002 * config/mips/mips.md: Likewise.
3003 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3004 (rs6000_generate_compare): Likewise.
3006 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3008 * Makefile.in: Set RANLIB to @RANLIB@.
3011 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3013 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3014 * fixinc/fixincl.x: Regenerated.
3016 2001-03-07 Richard Henderson <rth@redhat.com>
3018 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3020 2001-03-07 Richard Henderson <rth@redhat.com>
3022 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3023 of block notes and exception handling notes.
3025 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3026 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3027 (compile_file): ... here.
3029 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3031 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3033 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3034 config.h now. Include libiberty.h to handle alloca.
3036 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3038 * c-parse.in (yylexname): New function, split out of _yylex.
3039 (objc_rid_sans_at): New table.
3040 (init_reswords): Initialize it.
3041 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3042 retrieving the next token and checking it for significance as
3043 an ObjC keyword or string constant.
3045 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3046 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3048 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3051 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3053 * config/m68k/m68k.c (const_uint32_operand): Accept any
3054 const_int on a 32-bit host.
3056 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3058 * objc/objc-act.c (init_objc): Set save_lang_status,
3059 restore_lang_status, and mark_lang_status.
3061 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3063 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3065 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3067 * cppinternals.texi: Update.
3069 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3071 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3072 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3073 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3074 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3075 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3076 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3077 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3078 config/i386/xm-i386.h, config/i860/xm-i860.h,
3079 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3080 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3081 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3082 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3083 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3084 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3085 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3086 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3087 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3088 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3089 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3090 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3091 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3092 match the defaults provided in hwint.h.
3094 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3095 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3097 * config.gcc (xm_file): Don't set to files which are deleted.
3099 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3100 guard this file against these macros being undefined.
3102 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3104 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3105 and DECL_DEFER_OUTPUT on the decl we create, before calling
3106 rest_of_decl_compilation.
3108 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3110 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3112 * configure, config.in: Regenerate.
3113 * config.gcc: Remove references to deleted files.
3115 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3116 genrecog.c, rtl.c: Do not use alloca anywhere.
3118 * Makefile.in, build-make, system.h, config/x-interix,
3119 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3120 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3121 config/arc/xm-arc.h, config/arm/xm-arm.h,
3122 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3123 config/h8300/xm-h8300.h, config/i370/x-oe,
3124 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3125 config/i386/x-ncr3000, config/i386/x-sco5,
3126 config/i386/xm-dgux.h, config/i860/x-sysv4,
3127 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3128 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3129 config/m68k/x-hp320g, config/m69k/x-mot3300,
3130 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3131 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3132 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3133 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3134 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3135 config/mips/x-iris, config/mips/x-iris3,
3136 config/mips/x-sni-svr4, config/mips/x-sysv,
3137 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3138 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3139 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3140 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3141 config/pa/xm-papro.h, config/romp/xm-romp.h,
3142 config/rs6000/x-aix31, config/rs6000/x-aix41,
3143 config/rs6000/x-beos, config/rs6000/x-lynx,
3144 config/rs6000/x-mach, config/rs6000/x-rs6000,
3145 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3146 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3147 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3148 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3149 config/vax/xm-vms.h: Eradicate all references to alloca and
3152 * config/xm-alloca.h, config/clipper/x-clix,
3153 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3154 config/i860/x-sysv3, config/m88k/x-sysv3,
3155 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3156 (contained only alloca related hacks).
3158 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3161 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3163 * invoke.texi: Document __FAST_MATH__.
3165 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3167 * crtstuff.c: Restore include of auto-host.h.
3169 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3171 Put main() in a separate file, so that the language
3172 front-end can use a different main().
3175 * toplev.c: (main): Rename as toplev_main.
3176 * toplev.h: Declare toplev_main.
3177 * Makefile.in (OBJS): add toplev.o.
3178 (BACKEND): remove toplev.o, add main.o.
3180 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3182 * cppfiles.c (search_from): Special case the empty string.
3184 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3186 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3187 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3188 strlen or strcpy; we already know the length.
3189 (_cpp_compare_file_date): Similarly.
3190 * cpphash.h (struct cpp_reader): Delete done_initialising.
3191 (CPP_PREV_BUFFER): Delete.
3192 * cppinit.c (cpp_start_read): Don't set done_initialising.
3193 * cpplex.c (parse_string): Guarantee null-termination.
3194 (_cpp_equiv_toklists): Remove.
3195 * cpplib.c (glue_header_name): Null-terminate.
3196 (do_line): Don't leak memory.
3197 * cpplib.h (BT_WEAK): Delete.
3198 * cppmain.c (cb_ident): Strings are now null-terminated.
3200 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3202 * gcc.c (convert_filename): Append executable suffix
3203 if NO_AUTO_EXE_SUFFIX is not defined.
3204 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3205 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3207 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3209 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3210 * c-parse.gperf, c-gperf.h: Delete.
3211 (c-gperf.h was accidently re-added to the CVS repo in the rev
3212 1.16 commit by tromey)
3214 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3216 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3217 macro arguments when looking for the '('.
3218 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3219 2 when really parsing arguments; 1 when looking for '('.
3220 Always restore the lexer position.
3222 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3224 * longlong.h (umul_ppmm): Don't use a multiline string.
3226 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3228 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3229 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3230 t_bool in declaration because pcc can't combine volatile with typedef
3233 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3235 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3236 until when it is really needed.
3237 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3238 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3239 * i386.md (float?i?f splitter): Don't force source operand to memory
3241 (sse_movdfcc): Fix constraint.
3242 (sse_movdfcc splitter): Handle properly the second alternative.
3244 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3246 * cpplex.c (parse_string): Unconditionally pedwarn.
3248 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3251 * cppexp.c (parse_number): Update.
3252 * cpplex.c (parse_string): Pedwarn if multiline string does not
3253 result from a system header's macro.
3254 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3255 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3256 for function-like macros too.
3257 * c-lex.c (lex_number): Update.
3259 2001-03-03 Richard Henderson <rth@redhat.com>
3261 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3263 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3265 * combine.c (try_combine): If split with mode-changed scratch
3266 register didn't work, try the original mode.
3268 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3270 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3271 * config/c4x/c4x.h: Likewise.
3272 * stor-layout.c (compute_record_mode): Likewise.
3273 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3275 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3277 * configure.in: Kill tm.h. Include the files in the $tm_file
3278 list in all three of config.h, hconfig.h, tconfig.h, after the
3279 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3280 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3281 * configure: Regenerate.
3282 * Makefile.in (clean): Don't delete tm.h.
3284 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3285 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3286 those are not defined, set SEC and FEC to 0 and 1.
3287 * gcc.texi: Update to match.
3289 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3290 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3291 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3292 Include tconfig.h, not tm.h.
3294 * config/xm-lynx.h, config/xm-std32.h,
3295 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3296 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3297 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3298 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3299 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3300 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3301 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3302 config/i386/xm-i386.h, config/i860/xm-i860.h,
3303 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3304 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3305 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3306 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3307 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3308 config/pa/xm-linux.h, config/pa/xm-pa.h,
3309 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3310 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3311 config/pj/xm-pj.h, config/romp/xm-romp.h,
3312 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3313 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3314 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3315 config/v850/xm-v850.h, config/vax/xm-vax.h,
3316 config/we32k/xm-we32k.h:
3318 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3320 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3321 config/i370/xm-oe.h: Don't include tm.h. Don't define
3323 * config/vax/xm-vms.h: Don't include tm.h.
3325 * config/xm-lynx.h, config/avr/xm-avr.h,
3326 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3327 Delete; made empty by above changes.
3328 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3329 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3330 Don't include config/xm-lynx.h or tm.h.
3332 * config/xm-gnu.h: Don't include fcntl.h.
3333 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3335 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3337 2001-03-02 Richard Henderson <rth@redhat.com>
3339 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3340 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3342 2001-03-02 Richard Henderson <rth@redhat.com>
3344 * Makefile.in (OBJS): Add dwarf2asm.o.
3345 * dwarf2asm.c, dwarf2asm.h: New files.
3346 * dwarf2out.c (*): Use them.
3347 (size_of_uleb128, size_of_sleb128): Remove.
3348 (output_uleb128, output_sleb128): Remove.
3349 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3350 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3351 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3352 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3353 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3354 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3355 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3356 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3357 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3358 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3359 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3360 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3361 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3362 (dwarf2out_frame_debug): Remove unused variables.
3363 (output_loc_operands): Don't abort on 8 byte constants if
3364 host integers are wide enough.
3365 (output_symbolic_ref): Remove.
3366 (size_of_die): Don't assume 4 byte host integers.
3367 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3369 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3370 something stupid with HOST_WIDE_INT to long truncation.
3371 [CONST_DOUBLE]: Likewise.
3373 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3374 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3375 * config/arm/unknown-elf.h: Likewise.
3376 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3377 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3378 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3379 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3380 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3381 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3382 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3383 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3384 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3385 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3386 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3387 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3389 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3391 * cselib.c (hash_rtx): Cast enums to unsigned int.
3393 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3395 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3396 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3398 * c-format.c (C_STD_VER): Cast to int for comparisons.
3399 (check_function_format): Cast various enums to int for &.
3400 (maybe_read_dollar_number): Likewise.
3401 (check_format_info): Likewise.
3402 (check_format_info_main): Likewise.
3403 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3404 (safe_from_p): Likewise.
3405 * varasm.c (const_hash): Cast enum to int for %.
3406 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3407 pcc enum problems with < and ++ operators.
3408 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3409 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3410 (regclass_init): Change enum class to int to iterate over reg_classes.
3411 * genrecog.c (merge_trees): Cast enums for comparison.
3412 * rtl.h (GET_CODE): Cast to enum rtx_code.
3413 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3414 (GET_MODE): Cast to enum machine_mode.
3415 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3416 (GET_NOTE_INSN_NAME): Cast enum to int.
3417 * tree.h (TREE_CODE): Cast to enum tree_code.
3418 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3419 * timevar.c (timevar_print): Change loop variable id from enum to
3421 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3422 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3423 * toplev.c (compile_file): Cast enum DFI to int.
3424 (decode_d_option): Likewise.
3426 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3428 * cppinit.c (append_include_chain): Mark "after" include file name list
3429 as a system directory.
3430 * cpp.texi: Document new behavior.
3432 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3434 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3436 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3438 * cppfiles.c (struct include_file): Update.
3439 (stack_include_file): Use search_from.
3440 (cpp_included, find_include_file): Update.
3441 (cpp_execute_include): Update. ptr->name may not be
3442 null terminated. Use the new search_from member variable
3444 (_cpp_compare_file_date): Similarly.
3445 (search_from): New function, similiar to actual_directory.
3446 (actual_directory): Delete.
3447 (remap_filename): Update. loc->name may not be null terminated.
3448 (struct file_name_list): Rename search_path. Update.
3449 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3450 search_from and dir.
3451 (struct cpp_reader): Remove actual_dirs.
3452 * cppinit.c (struct cpp_pending): Update for renamed objects.
3453 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3454 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3455 * cpplib.h (struct cpp_options): Similarly.
3457 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3459 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3460 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3461 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3462 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3463 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3464 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3465 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3466 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3467 config/i370/xm-oe.h, config/i386/xm-aix.h,
3468 config/i386/xm-i386.h, config/i386/xm-osf.h,
3469 config/i860/xm-i860.h, config/i960/xm-i960.h,
3470 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3471 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3472 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3473 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3474 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3475 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3476 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3477 config/pj/xm-pj.h, config/romp/xm-romp.h,
3478 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3479 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3480 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3481 config/v850/xm-v850.h, config/vax/xm-vax.h,
3482 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3483 Do not define TRUE or FALSE.
3485 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3486 empty by above change.
3487 * config.gcc: Remove references to these files.
3489 * configure.in: Detect stdbool.h.
3490 * configure, config.in: Regenerate.
3491 * system.h: Include stddef.h here if available.
3492 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3493 Then set up a sensible boolean type at the very end.
3495 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3496 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3498 * hash.h: Delete 'boolean' typedef and related #undefs.
3500 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3501 all uses of 'boolean' with 'bool'.
3503 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3505 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3506 * cppexp.c (lex): Cast enums for comparison.
3507 * cppinit.c (parse_option): Cast enum for comparison.
3508 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3509 (cpp_output_token): Likewise.
3510 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3511 (cpp_avoid_paste): Cast enums for minus and comparison.
3513 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3515 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3516 field to all array elements.
3518 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3520 * cpphash.h (struct cpp_reader): Add print_version field.
3521 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3522 just set print_version and other flags as appropriate.
3523 (cpp_post_options): Print version here if print_version is set.
3525 * toplev.c (exit_after_options): New flag.
3526 (independent_decode_option): Don't exit here; just set
3528 (main): Exit after calling lang_hooks.post_options if
3529 exit_after_options is true.
3531 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3532 (merge_include_chains): Adjust comment to match code.
3534 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3536 * stringpool.c (set_identifier): New function.
3537 * tree.h: Prototype it.
3539 * c-parse.in: Kill D_YES. If compiled for objc, call
3540 save_and_forget_protocol_qualifiers from init_reswords.
3541 * objc/objc-act.c (remember_protocol_qualifiers,
3542 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3543 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3545 (save_and_forget_protocol_qualifiers): New function.
3546 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3548 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3550 * c-semantics.c (prune_unused_decls): Return error_mark_node
3551 instead of (tree) 1 to stop traversing the tree chain.
3553 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3555 Fix a problem introduced by Kenner's Feb 18 change.
3556 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3557 flag_cse_skip_blocks only temporarily, not for ever.
3559 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3561 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3562 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3564 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3565 before determining its register class.
3567 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3569 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3570 from reg 4 if current_function_calls_setjmp.
3571 (gen_nop_type): New function.
3572 (ia64_emit_nops): New function.
3573 (ia64_reorg): Call it.
3574 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3576 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3577 code not to try to optimize adds with anything but a REG destination.
3579 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3580 (INSN_PRIORITY_KNOWN): New accessor macro.
3581 * haifa-sched.c (priority): Use it instead of testing priority against
3584 2001-02-28 DJ Delorie <dj@redhat.com>
3586 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3587 since that doesn't work the way gcc wants on a generic m68k.
3589 2001-02-28 Richard Henderson <rth@redhat.com>
3591 * caller-save.c (save_call_clobbered_regs): Fix typo in
3592 comparison last change.
3594 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3596 * i386.c (pentium4_cost): New.
3597 (m_PENT4): New macro.
3598 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3599 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3600 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3601 x86_memory_mismatch_stall): Add Pentium4
3602 (x86_use_q_reg, x86_use_any_reg): Kill.
3603 (override_options): Add pentium4.
3604 (incdec_operand): Return 0 for pentium4.
3605 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3606 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3607 (TARGET_PENTIUM4): Define.
3608 (enum processor_type): Add PROCESSOR_PENTIUM4.
3609 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3610 * i386.md (attribute "cpu"): Add pentium4.
3611 * invoke.texi (march): Add pentium4.
3613 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3615 * i386.md (sse_mov?fcc*): New patterns and splitters.
3616 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3617 the SSE based conditional moves.
3619 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3621 * i386.md (attribute mode): Add "TI".
3622 (movsf_1): Add pxor support; remove constant propagation splitter.
3623 (movdf_integer): Likewise.
3624 (movdf_nointeger): Likewise.
3625 (movxf constant prop splitter): Handle all modes; update for SSE.
3626 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3627 * i386.c (standard_80387_constant_p): Rewrite.
3628 (standard_sse_constant_p): New.
3629 * i386-protos.h (standard_sse_constant_p): New.
3631 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3633 * i386.md (sse_setccsf, sse_setccdf): New.
3634 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3636 * i386.c (sse_comparison_operator): Accept the supported unordered
3637 comparses; be ready for fast_math.
3638 (print_operand): Support 'D'.
3640 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3642 * jump.c (reversed_comparison_code): Kill.
3644 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3646 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3649 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3651 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3652 add missing '%' in constraints.
3654 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3656 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3657 for HOST_BITS_PER_WIDE_INT == 32 too.
3659 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3661 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3663 (insert_save, insert_restore): New parameter save_mode.
3664 (init_caller_save): Update initialization of reg_save_code
3665 and reg_restore_code.
3666 (save_call_clobbered_regs): Compute save_modes and update calls to
3667 reg_save_code and reg_restore_code.
3668 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3669 of spill; update use of reg_restore_code.
3670 (insert_save): Likewise.
3671 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3672 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3673 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3675 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3677 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3678 noce_try_store_flag_inc, noce_try_store_flag_mask,
3679 noce_try_cmove_arith):
3680 Use reversed_comparison_code instead of reverse_comparison and
3681 can_reverse_comparison_p.
3683 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3685 * jump.c (reversed_comparison_code_parts): Allow reversal of
3686 unordered compares in -ffast-math mode; reverse ordered compares
3687 for FP even w/o -ffast-math.
3689 2001-02-27 Richard Henderson <rth@redhat.com>
3691 * print-rtl.c (print_rtx) [i]: Don't print field five on
3692 NOTEs other than NOTE_INSN_DELETED_LABEL.
3694 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3696 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3697 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3699 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3701 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3702 even if walk_subtrees is 0.
3703 * c-semantics.c (prune_unused_decls): Return a non-null value to
3704 stop traversing the tree chain.
3706 2001-02-27 DJ Delorie <dj@redhat.com>
3708 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3709 register, *then* define it as the new CFA.
3711 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3713 * pa.c (override_options): Promote -fpic to -fPIC.
3714 (legitimize_pic_address): Simplify due to removal of
3715 small PIC as a code generation option.
3716 (secondary_reload_class): Similarly.
3717 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3718 (PRINT_OPERAND_ADDRESS): Similarly.
3719 * pa.md (various patterns): Similarly.
3720 (small pic lo_sum pattern): Remove.
3722 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3725 * md.texi (min, max): Document
3727 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3729 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3730 TARGET_PARTIAL_REG_DEPENDENCY.
3731 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3733 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3735 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3737 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3739 * mips.c (mips_make_temp_file): Fix thinko in last change.
3741 2001-02-26 Jason Eckhardt <jle@redhat.com>
3743 * combine.c (known_cond): Do not reverse the condition when
3744 SMAX/UMAX is being considered and the condition is for equality
3747 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3749 2001-02-26 Philip Blundell <philb@gnu.org>
3751 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3753 * config/arm/linux-elf.h: Remove historical relics related to
3754 above configurations.
3755 * config/arm/linux-oldld.h: Delete.
3756 * config/arm/linux-elf26.h: Delete.
3758 2001-02-26 Jason Merrill <jason@redhat.com>
3760 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3762 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3763 recognize a tentative definition. Lose obsolete code.
3765 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3766 variables unless necessary, either.
3768 2001-02-25 Richard Henderson <rth@redhat.com>
3770 * ifcvt.c (struct noce_if_info): Add test_bb.
3771 (noce_get_alt_condition): New.
3772 (noce_try_minmax, noce_try_abs): New.
3773 (noce_operand_ok): New.
3774 (noce_process_if_block): Use them.
3775 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3777 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3779 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3782 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3784 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3785 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3787 (mips_asm_file_end): Free temp_filename here.
3789 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3791 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3792 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3794 * config/i386/i386.md (movstrsi): Handle FAIL case.
3796 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3798 * cppinit.c (builtin_array): Update.
3799 (init_builtins): Flag builtins to warn if redefined or
3800 undefined. Define __GXX_WEAK as a normal macro.
3801 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3802 * cpplib.h (NODE_WARN): New flag.
3803 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3804 Handle __STDC__ as a builtin only on Solaris.
3805 (warn_of_redefinition): Renamed from check_macro_definition.
3806 Reverse sense of test. Always warn if NODE_WARN.
3807 (_cpp_create_definition): Use warn_of_redefinition. Flag
3808 any macro beginning with "__STDC_" to require a mandatory
3809 warning if redefined or undefined.
3811 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3813 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3814 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3815 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3816 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3817 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3818 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3819 Don't define any of:
3820 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3821 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3822 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3823 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3824 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3826 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3827 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3830 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3831 Delete now-empty file.
3833 * alpha/vms.h: Define NEED_ATEXIT here...
3834 * alpha/xm-vms.h: ...not here.
3836 * i386/cygwin.h: Don't define PARAMS.
3837 * mips/mips.c: Don't prototype mktemp. Don't define
3838 P_tmpdir. Use make_temp_file to create temporary files.
3839 Don't be clever and delete temporary files early.
3840 * config.gcc: Drop references to deleted files. Don't define
3842 * gcc.texi: Don't mention USE_PROTOTYPES.
3844 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3846 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3847 (ix86_set_move_mem_attrs_1): Likewise.
3848 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3849 * config/i386/i386.md (movstrsi): Call it.
3851 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3853 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3854 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3855 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3856 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3858 (i750a-*-*): Error here if hosting on i750a.
3859 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3861 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3862 Remove (empty modulo comments).
3864 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3865 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3866 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3867 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3868 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3869 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3871 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3872 Remove reference to winnt.h in comment.
3873 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3875 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3877 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3878 used to set another biv.
3880 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3882 * tree.h (BLOCK_DEAD): New macro.
3883 (struct tree_block): New flag, dead_flag.
3884 * print-tree.c (print_node, case 'b'): Print missing fields.
3885 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3886 * function.c (identify_blocks): Enable test for misplaced notes.
3887 (all_blocks): Skip BLOCK_DEAD blocks.
3888 * integrate.c (integrate_decl_tree): Likewise.
3890 * errors.c (internal_error, trim_filename): New functions.
3891 (fancy_abort): Call internal_error.
3892 * errors.h (internal_error, trim_filename): New declarations.
3894 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3896 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3898 (EXTRA_CONSTRAINT): Formatting changes.
3900 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3902 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3904 2001-02-23 Per Bothner <per@bothner.com>
3906 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3907 so they can be called from java/jvspec.c.
3908 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3910 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3912 * i386.c (ix86_frame): New structure.
3913 (ix86_compute_frame_size): Kill.
3914 (ix86_compute_frame_layout): New.
3915 (ix86_save_reg): New.
3916 (ix86_can_use_return_insn_p): Use frame layout stuff.
3917 (ix86_expand_prologue): Likewise.
3918 (ix86_expand_epilogue): Likewise.
3919 (ix86_initial_elimination_offset): Likewise.
3920 (ix86_nsaved_regs): Use ix86_save_reg.
3921 (ix86_emit_save_regs): Likewise.
3923 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3925 * flow.c (find_sub_basic_blocks): New function.
3926 (split_block): Be ready for basic block introduced by CODE_LABEL.
3927 (commit_one_edge_insertion): Call find_sub_basic_block.
3929 * flow.c (make_edges): Add edge from entry for blocks starting with
3930 label having ALTERNATE_NAME
3932 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3934 * function.c (epilogue_done): Be ready for first basic block not
3935 containing PROLOGUE_END note.
3936 (reposition_prologue_and_epilogue_notes): Avoid placing
3937 PROLOGUE_END note between BASIC_BLOCK.
3939 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3941 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3943 2001-02-21 DJ Delorie <dj@redhat.com>
3945 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3946 check for current_function_has_nonlocal_goto from 1999-11-12.
3948 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3950 * diagnostic.c (trim_filename): No longer static.
3951 * toplev.h (trim_filename): Declare.
3952 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3953 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3954 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3955 (rtvec_check_failed_bounds): Likewise.
3956 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3958 * convert.c (convert_to_integer): Don't do unsigned unless result or
3959 both inputs are unsigned.
3961 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3964 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3966 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3968 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3970 * Makefile.in (resource.o): Add params.h dependence.
3971 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3972 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3973 * resource.c: Add dependence on params.h.
3974 (current_live_regs): Fix explanatory comment.
3975 (find_basic_block): Add new parameter to permit limiting search
3977 (mark_target_live_regs): Add new argument to find_basic_block call.
3978 (incr_ticks_for_insn): Likewise.
3980 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3982 * diagnostic.c (output_to_stream): Rename to
3983 output_buffer_to_stream. Loses the stream parameter.
3984 (init_output_buffer): Set diagnosic_buffer's stream.
3985 (flush_diagnostic_buffer): Adjust.
3986 (default_print_error_function): Likewise.
3987 (finish_diagnostic): Likewise.
3988 (verbatim): Likewise.
3990 * diagnostic.h (struct output_buffer): Add `stream' field.
3991 (output_buffer_attached_stream): New macro.
3993 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3995 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3996 check if either operand is divisible by C.
3997 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3998 If type is signed, consider negative numbers as well.
4000 2001-02-22 Richard Henderson <rth@redhat.com>
4002 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4003 reach .text instead of gp-relative relocs.
4004 * config/ia64/crtend.asm (.init): Likewise.
4006 2001-02-22 Andreas Jaeger <aj@suse.de>
4008 * extend.texi (C++ Attributes): Fix typo.
4010 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4012 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4013 functions, drop current_function_args_info.words test.
4014 (ia64_compute_frame_size): Mark syscall_linkage functions as
4015 using eight input registers.
4017 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4018 Bruce Korb <bkorb@gnu.org>
4020 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4021 * fixinc/README: Document how to convert sed substitutions
4022 to format style c_fix-es.
4023 * fixinc/fixincl.x: regen
4025 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4027 * gcc.c: Add comment explaining how to add a command-line option.
4028 Add title to specs language comment.
4030 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4032 * gcc.c (cc1_options): Add "-param".
4033 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4034 (option_map): Likewise.
4035 * toplev.c (display_help): Add entry for "--param".
4036 (independent_decode_option): Fix typographical error.
4038 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4039 Bernd Schmidt <bernds@redhat.com>
4040 Jan Hubicka <jh@suse.cz>
4042 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4043 (function_arg): Likewise.
4045 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4047 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4049 2001-02-21 Kazu Hirata <kazu@hxi.com>
4051 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4055 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4057 * flow.c (init_propagate_block_info): Canon address and use single_set
4058 for killing dead memory stores.
4060 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4062 * Makefile.in (reorg.o): Add params.h dependence.
4063 * params.def: Fix typographical error in comment.
4064 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4065 * params.h: Modify introductory comment.
4066 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4067 * reorg.c: Add dependence on params.h.
4068 (redundant_insn): Add parameterized throttle for search.
4069 (fill_simple_delay_slots): Add a comment explaining a variable.
4070 Move conditional out of loop, simplifying code.
4071 (fill_eager_delay_slots): Fix typographical error in comment.
4073 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4075 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4077 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4078 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4080 2001-02-21 Jason Merrill <jason@redhat.com>
4082 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4083 (struct tree_decl): Add uninlinable bitfield.
4084 * c-decl.c (duplicate_decls): Set it.
4085 * integrate.c (function_cannot_inline_p): Check it.
4087 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4088 DW_AT_MIPS_linkage_name to abstract methods.
4089 (dwarf2out_abstract_function): Emit class context before calling
4090 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4091 (gen_subprogram_die): Remove obsolete code.
4092 (gen_member_die): Don't include clones in the member list.
4093 (gen_decl_die): Emit abstract info for clone origin.
4094 * dwarfout.c (output_type): Don't include clones in the member list.
4095 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4096 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4097 DECL_ABSTRACT on a function that already has it set.
4099 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4100 (get_subprogram_die): Pass it in.
4102 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4104 * flow.c (mark_set_1): Make not_dead unsigned long. For
4105 non-pseudos, use it as a bitmask of the hard regs that
4108 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4110 * cppfiles.c: Update comments.
4111 (_cpp_read_file): Don't check for NULL filenames any more.
4112 * cppinit.c (cpp_start_read): Don't do canonicalization of
4113 in_fname and out_fname. Use the passed file name exclusively.
4114 (_cpp_handle_options): Don't treat "-" as a command line option,
4115 but as a normal filename.
4116 (_cpp_post_options): Canonicalize in_fname and out_fname.
4117 * cppmain.c (printer_init): Don't check out_fname for NULL.
4118 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4119 (init_c_lex): Update, and use "" to represent stdin to CPP.
4122 2001-02-20 Will Cohen <wcohen@redhat.com>
4124 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4125 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4126 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4129 2001-02-20 Stan Shebs <shebs@apple.com>
4131 * config/rs6000/rs6000.c (output_cbranch): Output branches
4132 on separate lines instead of using ';' to separate.
4134 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4136 * cppinit.c (set_lang): Move builtin handling to...
4137 (init_builtins): ...here.
4138 (_cpp_create_reader): Move call to set_lang.
4140 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4142 * stmt.c (expand_return): If an attempt is made to return the
4143 error_mar_node, treat the return like a return without a value.
4145 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4147 * sibcall.c (skip_copy_to_return_value): Call
4148 identify_call_return_value here, and return orig_insn if it
4149 returns zero. Hardret and softret arguments now unnecessary.
4150 (call_ends_block_p): Don't call identify_call_return_value here.
4152 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4154 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4155 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4157 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4159 * pa.c (move_operand): Accept code to load the address of a
4160 symbol out of the DLT as a valid move operand.
4161 (print_operand, case 'A'): New to handle generating a DLT
4162 reference for a LO_SUM expression.
4163 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4164 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4166 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4168 * README, cpp.texi, gcc.texi, version.c: Update version number to
4170 * cpp.1, gcov.1, gcc.1: Regenerate.
4172 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4174 * cppfiles.c (stack_include_file): Generate dependencies
4175 here, and manage include_count here too.
4176 (PRINT_THIS_DEP): Delete.
4177 (_cpp_execute_include): Do not generate dependencies here,
4178 apart from the case of a missing header. Do not manage
4180 (_cpp_read_file): Leave dependency generation to
4183 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4185 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4186 target_cpu_default. Remove dead assignment to
4189 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4191 * regclass.c (contains_reg_of_mode): Make global.
4192 (init_reg_sets): Remove contains_reg_of_mode; take into account
4193 CLASS_MAX_NREGS when looking for the proper mode.
4194 (dump_regclass): Dump only classes considered for the pseudo.
4195 (regclass): Use contains_reg_of_mode.
4197 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4199 * gcc.c (do_spec_1): 'n' for printing notices.
4200 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4202 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4204 * reg-stack.c (next_flags_user): Use current_block->end
4205 (swap_rtx_condition): Look for next user if flags don't die;
4206 give up on CALL_INSNs; use current_block->end.
4208 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4210 * sibcall.c (call_ends_block_p): New function.
4211 (optimize_sibling_and_tail_recursive_call): Use it.
4213 2001-02-18 Kazu Hirata <kazu@hxi.com>
4215 * config/h8300/h8300.md: Update copyright.
4216 (andsi3): Do not output an extra newline character.
4218 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4220 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4221 FNDECL may be unused.
4223 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4224 follow jumps after first run.
4225 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4226 it doesn't change any jumps.
4228 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4230 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4231 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4232 (mostlyclean): Corresponding changes.
4233 * rtlanal.c (hard-reg-set.h): Include.
4234 (rtx_unstable_p): Do not treat the argument pointer specially
4235 if it is not a fixed register.
4236 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4238 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4240 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4241 against last real insn in basic block.
4242 Rework to avoid gotos.
4244 * Makefile.in (gcse.o): Now includes ggc.h.
4245 * gcse.c: Include ggc.h.
4246 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4247 (try_replace_reg): Remove warning of uninitialize variable.
4248 (process_insert_insn): Call invalid_insn_p to validate insn.
4249 * recog.c (insn_invalid_p): Now global.
4250 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4251 * recog.h (insn_invalid_p): New declaration.
4253 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4255 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4256 assignments from FP constants since 'Y' output code can't handle it.
4257 (eligible_for_sibcall_delay): Likewise.
4259 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4260 Call fancy_abort directly, passing args.
4261 (print_rtl_and_abort): Now a macro, like fancy_abort.
4263 * final.c (output_operand_lossage): Use internal_error, not error.
4265 2001-02-18 Shane Nay <shane@agendacomputing.com>
4267 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4268 structure shift insns.
4270 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4272 * invoke.texi (-fsquangle): Remove documentation.
4273 (-fname-mangling-version): Likewise.
4275 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4277 * optabs.c (expand_abs): Remove reference to
4278 HAVE_contitional_arithmetic.
4279 * combine.c (simplify_set): Likewise.
4281 2001-02-18 Richard Henderson <rth@redhat.com>
4283 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4286 2001-02-18 Richard Henderson <rth@redhat.com>
4288 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4290 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4292 * reload1.c (reload_cse_simplify_set): Fix typo.
4294 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4296 * diagnostic.c (_fatal_insn): Decrement errorcount.
4298 * invoke.texi (-I): Add note avoiding use for system header files.
4300 * rtl.h (add_clobbers): Remove duplicate declaration.
4301 * recog.h (added_clobbers_hard_reg_p): New declaration.
4302 * genemit.c (struct clobber_pat): New field has_hard_reg.
4303 (gen_insn): Record if added clobbers clobber hard reg.
4304 (gen_split): Avoid unused warning if number of operands is 0.
4305 (output_added_clobbers_hard_reg_p): New function.
4308 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4310 * pa.c (hppa_expand_prologue): Simplify code storing return
4311 pointer. For large (>=8k) frames with a post_store, adjust stack
4312 pointer by 8k-64 first rather than by 64. When testing with
4313 VAL_14_BITS_P, always use the actual value rather than the value
4314 negated. Add blockage to prevent scheduling of spills before
4315 stack frame has been created.
4316 (hppa_expand_epilogue): Simplify code loading return pointer.
4317 Allow a slightly larger range for merge_sp_adjust_with_load case.
4318 When testing with VAL_14_BITS_P, always use the actual value.
4320 * pa.c (pa_adjust_insn_length): Check that block move
4321 pattern is a set before looking at operands.
4323 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4325 * fold-const.c (fold_binary_op_with_conditional_arg): New
4326 function, split out from ...
4328 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4329 conditional arms that throw exceptions.
4331 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4334 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4336 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4337 define HAVE_DECL_* to 1 to mask potential backup declarations.
4338 * configure: Regenerated.
4340 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4342 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4344 2001-02-17 Richard Henderson <rth@redhat.com>
4346 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4347 when replacing a memory load with a register.
4349 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4350 Jan Hubicka <jh@suse.cz>
4352 * recog.c (validate_replace_src_1): New.
4353 (validate_replace_src_data): Likewise.
4354 (validate_replace_src): Use note_uses.
4355 * rtl.h (note_uses): Declare.
4356 * rtlanal.c (note_uses): New.
4358 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4360 * reg-stack.c (stack_def): Make field reg unsigned.
4361 (remove_regno_note): Unsignetize parameter.
4363 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4365 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4366 shladd_operand() call.
4368 2001-02-16 Bruce Korb <bkorb@gnu.org>
4369 Rodney Brown <RodneyBrown@mynd.com>
4371 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4372 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4373 machine restrictions
4374 * fixinc/fixincl.x: regen
4376 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4378 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4380 (hash_scan_insn): Clean up calls to hash_scan_set.
4381 (compute_kill_rd): REGNO now unsigned.
4382 (try_replace_reg): Rework to use simplify_replace_rtx.
4383 (cprop_jump, cprop_cc0_jump): Likewise.
4384 (cprop_insn): Call find_reg_equal_equiv_note.
4385 Reflect changes to cprop_jump and cprop_cc0_jump.
4387 * recog.c (validate_replace_src): Replace in operands of
4388 ZERO_EXTRACT in SET_DEST.
4390 * cse.c (new_label_ref): New variable.
4391 (insert): Set it instead of recorded_label_ref.
4392 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4393 CODE_LABEL for this function, and not already in REG_LABEL note.
4395 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4397 * resource.c (mark_referenced_resources): Fix typo in introductory
4399 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4402 2001-02-16 Jason Merrill <jason@redhat.com>
4404 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4406 (gen_subprogram_die): Don't abort on seeing a second definition if
4407 the previous one was abstract. Don't replace an abstract instance
4408 in the lookup table.
4410 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4411 gen_abstract_function.
4412 * dwarf2out.h: Declare it.
4413 * toplev.c (note_outlining_of_inline_function): New fn.
4414 * toplev.h: Declare it.
4415 * integrate.c (output_inline_function): Call it.
4416 * c-decl.c (duplicate_decls): Call it when redefining an extern
4417 inline. Don't inline the new defn.
4419 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4421 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4423 * .gdbinit: Rename to gdbinit.in.
4424 * gdbinit.in: New file,
4425 * configure.in: Generate .gdbinit from gdbinit.in.
4426 * configure: Regenerated.
4427 * Makefile.in (distclean): Always remove .gdbinit.
4429 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4431 * objc/objc-act.c (start_class): Register implemented_classes with
4434 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4436 * cppfiles.c (_cpp_make_system_header): Generate a file
4439 2001-02-15 Jim Meyering <meyering@lucent.com>
4441 * Makefile.in (install-common): Don't depend on installdirs here.
4442 Instead, make each of the lang.install-common targets (e.g.,
4443 c++.install-common in cp/Make-lang.in) depend on it.
4444 (install-driver): Depend on installdirs.
4446 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4448 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4450 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4453 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4455 * invoke.texi (--param): Document.
4457 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4459 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4461 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4463 * i386.md (extendsfdf2_2): Fix constraints.
4465 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4467 * i386.md (fop_df_3 splitter): Fix operand number.
4469 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4471 * invoke.texi (-mreg-alloc): Nuke.
4472 * i386.c (ix86_reg_alloc_order, regs_allocated,
4473 order_regs_for_local_alloc): Nuke.
4474 (override_options): Kill reg_alloc code.
4475 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4476 (REG_ALLOC_ORDER): SSE goes before I387.
4477 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4478 (ix86_reg_alloc_order): Likewise.
4479 * i386-protos.h (ix86_reg_alloc_order): Kill.
4481 2001-02-14 Richard Henderson <rth@redhat.com>
4483 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4485 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4487 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4489 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4491 * i386-protos.h (ix86_memory_move_cost): Move offline.
4492 * i386.c (ix86_register_move_cost): Compute properly cost of
4493 SSE, MMX and i387 instructions.
4494 (*_cost): Add costs of SSE/MMX moves.
4495 (ix86_memory_move_cost): Move offline from ....; Likewise.
4496 * i386.h (MEMORY_MOVE_COST): .... here;
4497 (struct processor costs): Add new fields to represent costs
4500 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4502 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4503 move_cost together with Matt Kraai's fix.
4505 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4507 * Makefile.in (OBJS): Add params.o.
4509 2001-02-14 Richard Henderson <rth@redhat.com>
4510 DJ Delorie <dj@redhat.com>
4512 * jump.c (jump_optimize_1): When we delete a conditional jump
4513 preceeding a non-conditional jump to effectively the same place,
4514 make sure that the combined jump skips any clobber insns between
4517 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4519 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4521 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4523 * Makefile.in (toplev.o): Depend on params.h.
4524 (intergate.o): Likewise.
4525 (params.o): New target.
4526 * flags.h (inline_max_insns): Remove.
4527 * integrate.c: Include params.h.
4528 Use MAX_INLINE_INSNS instead of inline_max_insns.
4529 * params.c: New file.
4530 * params.h: Likewise.
4531 * params.def: Likewise.
4532 * toplev.c: Include params.h.
4533 (lang_independent_params): New variable.
4534 (decode_f_option): Use the param machinery instead of setting
4536 (independent_decode_option): Handle "--param name=value".
4537 (main): Register language-independent parameters.
4539 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4541 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4543 2001-02-14 Richard Henderson <rth@redhat.com>
4545 * regclass.c (init_reg_sets_1): Revert last two changes.
4547 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4549 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4550 (variable_size): Call put_pending_size.
4551 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4552 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4553 sizes list, put newly created SAVE_EXPR there as well.
4555 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4557 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4558 (errata_find_address_regs): load_group has only 2 entries.
4559 (errata_emit_nops): Likewise. shladd is not problematic.
4560 Clear last_group if nop was emitted.
4561 (fixup_errata): load_group has only 2 entries.
4564 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4566 * c-lex.c (lex_number): Only warn traditionally for U suffix
4567 outside system macros.
4568 * cppexp.c (parse_number): Similarly.
4569 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4570 * cppmacro.c (struct cpp_macro): New member node.
4571 (parse_args): Only warn about missing rest args if not
4573 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4574 (cpp_sys_objmacro_p): New.
4575 (_cpp_create_definition): Store the node with the macro defn.
4576 Remember if the macro is defined in a system header.
4578 2001-02-13 DJ Delorie <dj@redhat.com>
4580 * configure.in (check_languages): determine languages to check
4581 * Makefile.in (check-c++): alias for check-g++
4582 (check-f77): alias for check-g77
4583 (CHECK_TARGETS): depend on configured languages
4585 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4587 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4588 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4589 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4590 (sqrtextendsfdf2): Disable for SSE2.
4592 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4594 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4595 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4596 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4597 (sqrtextendsfdf2): Disable for SSE2.
4599 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4601 * i386.md (movsfcc_1): Support integer cmove instruction.
4602 (movdfcc_1): Likewise; new splitter.
4604 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4606 * i386.c (output_fp_compare): Support SSE.
4607 (prepare_fp_compare_args): SSE comparisons always support memory.
4608 * i386.h (TARGET_CMOVE): SSE imply cmove.
4609 * i386.md (cmp?f2): Enable for SSE too.
4610 (cmpfp_i*): Support SSE.
4612 (cmpfp_i_sse_only): New.
4613 (s*, b* fp expanters): Enable for SSE too.
4614 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4617 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4619 * regclass.c (init_reg_sets_1): Silence warning.
4621 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4623 * i386.md (sqrt?f2): Change to expander.
4624 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4626 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4628 * rtlanal.c (find_reg_equal_equiv_note): New function.
4629 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4630 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4631 * rtl.h: Add declarations for above functions.
4633 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4635 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4637 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4638 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4639 * flow.c (mark_regs_live_at_end): Likewise.
4640 (calculate_global_regs_live): Likewise.
4641 * gcse.c (compute_hash_table): Likewise.
4642 (compute_kill_rd): Likewise.
4643 * resource.c (mark_target_live_regs): Likewise.
4644 * rtl.h (INVALID_REGNUM): New macro.
4646 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4648 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4650 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4652 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4655 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4657 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4659 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4660 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4661 (fop_sf_1_sse, fop_df_1_sse): New patterns
4662 (fop_*): Disable float_extend and float patterns for SSE compilation.
4663 * i386.c (output_387_binary_op): Support SSE.
4665 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4667 * i386.md (dummy_extendsfdf2): Support SSE2
4668 (extendsfdf2): Enable if 80387 or SSE2.
4669 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4670 and no MIX_I387_SSE2
4671 (extendsfdf2_1_sse_only): New pattern.
4672 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4674 (truncdfsf2_1): Support SSE.
4675 (truncdfsf2_2): Support SSE.
4676 (truncdfsf2_2_1_sse): New pattern.
4677 (fixtruncsfsi2): Always use SSE if available.
4678 (fix_truncsfsi_sse): New pattern.
4679 (fix_truncdfsi_sse): New pattern.
4680 (floatsis?f2): Support SSE.
4681 (floatsidf2_i387): New pattern.
4682 (floatsidf2_sse): Likewise.
4684 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4686 * configure.in: Use "have_gnat" variable, not "gnat".
4687 * configure: Regenerated.
4689 * config/sparc/sparc.c (function_value): Treat all non-record
4690 aggregate types like used to treat UNION_TYPE.
4692 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4694 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4695 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4697 (MASK_MIX_SSE_I387): New.
4698 (TARGET_SSE): SSE2 imply SSE.
4699 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4700 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4701 (enum reg_class): Add new classes.
4702 (REG_CLASS_NAMES): Likewise.
4703 (REG_CLASS_CONTENTS): Likewise.
4704 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4705 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4706 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4707 (CLASS_MAX_NREGS): Use new macros.
4708 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4709 * i386.md (pushsf, movsf): Support SSE.
4710 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4711 splitters to use ANY_FP_REGNO_P.
4712 (movdf_nointeger, movdf_integer): Likewise.
4714 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4716 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4717 (try_combine): Use it.
4719 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4721 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4722 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4723 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4724 (REGISTER_MOVE_COST): Likewise.
4725 * i386-protos.h (ix86_secondary_memory_needed,
4726 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4727 * i386.c (ix86_secondary_memory_needed,
4728 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4730 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4732 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4733 (HARD_REGNO_MODE_OK): Move offline to ....
4734 * i386.c (ix86_hard_regno_mode_ok) ... here;
4735 refuse all incorrect modes.
4736 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4738 2001-02-13 Richard Henderson <rth@redhat.com>
4740 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4741 entire operator; replicate that and match_dup the operands.
4742 (cmp_ccx_arith_op_set): Likewise.
4743 (cmp_cc_arith_op_not_set): Likewise.
4744 (cmp_ccx_arith_op_not_set): Likewise.
4746 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4748 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4750 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4752 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4753 (TARGET_NO_BITFIELD_WORD): New macro.
4754 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4755 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4757 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4759 * cselib.c: New file, from simplify-rtx.c.
4760 * simplify-rtx.c: Remove cselib parts.
4761 * Makefile.in: Add cselib.o.
4763 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4765 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4766 (setup_incoming_varargs): Remove warning.
4768 * config/rs6000/rs6000.c (validate_condition_mode): When
4769 flag_fast_math, allow floating-point conditionals to be reversed.
4770 (rs6000_generate_compare): When flag_fast_math, don't generate
4771 cror operations for FP conditionals.
4773 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4775 (ASM_SPEC): Likewise.
4776 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4777 (CC1_SPEC): Likewise.
4778 (LINK_TARGET_SPEC): Likewise.
4779 (CPP_ENDIAN_SPEC): Likewise.
4780 * Makefile.in (check-consistency): New target.
4782 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4784 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4785 "return type defaults" warning for functions with return type
4787 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4788 function declarations by default rather than only when pedantic.
4790 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4792 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4795 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4797 * extend.texi (Deprecated): Deprecate new initializer lists.
4799 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4801 * mkdeps.c (deps_add_default_target): Robustify. Add
4802 basename component only.
4803 * cpp.texi (-M): Describe how default target is generated.
4804 * invoke.texi (-M): Likewise.
4806 2001-02-12 Kazu Hirata <kazu@hxi.com>
4808 * toplev.c (push_float_handler): Remove.
4809 (pop_float_handler): Remove.
4810 * toplev.h: Remove prototypes for the above functions.
4812 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4814 * c-common.c (constant_fits_type_p): New function.
4815 (convert_and_check): Use it.
4817 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4819 * Makefile.in (GXX_ABI_FLAG): Don't define.
4820 * configure.in (--enable-new-gxx-abi): Remove option.
4821 * config.in: Regenerated.
4822 * configure: Likewise.
4824 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4826 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4828 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4829 regular basic block, and arrange for all edges into it to switch
4832 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4834 * Makefile.in (distclean): Do not remove .gdbinit.
4836 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4838 * Makefile.in (gcc.o): Fix typos.
4839 (protize.o): Likewise.
4840 (unprotoize.o): Likewise.
4842 2001-02-11 Richard Henderson <rth@redhat.com>
4844 * tree.c (build1): Check for null operand in last change.
4846 2001-02-11 Richard Henderson <rth@redhat.com>
4848 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4849 (fold): Don't assume a constant isn't foldable.
4850 * tree.c (build): Set TREE_CONSTANT for an expression with no
4851 side-effects and constant operands.
4854 2001-02-10 Richard Henderson <rth@redhat.com>
4856 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4858 2001-02-10 Anthony Green <green@redhat.com>
4860 * cpp.texi (Standard Predefined): Add documentation for
4863 * c-common.c (combine_strings): Improve warning message.
4865 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4867 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4869 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4871 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4873 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4876 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4878 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4881 2001-02-09 Nick Clifton <nickc@redhat.com>
4883 * config/arm/arm.md: Change output contraint on post inc
4884 load/store multiple patterns to be a read/write contraint.
4886 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4888 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4889 .o files when using the -M options.
4891 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4892 David Edelsohn <edelsohn@gnu.org>
4894 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4895 handle DImode constants. Use one TOC entry for SImode and smaller
4896 constants, aligned properly.
4898 2001-02-08 Jason Merrill <jason@redhat.com>
4900 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4901 about the SP adjustment for saving the static chain pointer.
4902 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4903 offset when setting a temporary CFA register.
4905 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4907 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4908 powerpc-*-chorusos* .
4909 * config/rs6000/chorus.h : New file.
4910 * config/i386/chorus.h : New file.
4911 * config/sparc/chorus.h : New file.
4912 * config/sparc/t-chorus-elf : New file.
4914 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4916 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4917 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4918 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4919 (__WCHAR_TYPE__): Correct macro name.
4921 2001-02-08 Richard Henderson <rth@redhat.com>
4923 * config/i386/i386.c (ix86_frame_pointer_required): New.
4924 (ix86_setup_frame_addresses): New.
4925 (struct machine_funciton): Add accesses_prev_frame.
4926 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4927 ix86_frame_pointer_required.
4928 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4929 (SETUP_FRAME_ADDRESSES): New.
4930 * config/i386/i386-protos.h: Update.
4931 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4932 from FRAME_POINTER_REQUIRED.
4933 * config/i386/svr3gas.h: Likewise.
4934 * config/i386/sysv3.h: Likewise.
4935 * config/i386/v3gas.h: Likewise.
4937 2001-02-08 Richard Henderson <rth@redhat.com>
4939 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4940 calculation of the number of integer registers required.
4941 (function_arg_record_value): Likewise.
4943 2001-02-08 Jason Merrill <jason@redhat.com>
4945 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4946 two. Print file and line with "confused" message.
4948 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4950 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4952 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4954 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4956 * final.c (cleanup_subreg_operands): The address of a MEM can
4959 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4962 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4964 * gcc.texi (Incompatibilities): Update documentation of
4965 preprocessing numbers.
4967 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4969 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4971 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4973 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4975 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4976 * gcc.c (struct compiler): Add cpp_spec field.
4977 (input_file_compiler): New variable.
4978 (do_spec_1): Allow a particular compiler to handle `%C'
4980 (main): Store the current compiler in input_file_compiler.
4981 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4983 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4985 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4986 * cppinit.c (cpp_create_reader): Initialize them.
4987 (append_include_chain): cxx_aware arg might be unused.
4988 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4989 keywords and give them their phase 7 meaning. Pedwarn about
4990 this unless '__bool_true_false_are_defined' is defined.
4992 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4994 * lcm.c (optimize_mode_switching): Emit mode_set before the
4995 JUMP_INSN of an abnormal edge.
4997 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4999 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5000 a scheduling barrier at the end.
5002 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5004 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5006 * config/sh/sh.md (reload_outsf): Removed.
5007 (movsf_ie): Introduce constraints for FPUL loads and stores.
5008 (reload_insf): Broaden the output constraint.
5010 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5012 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5013 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5015 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5017 * final.c: Revert my previous changes.
5018 * output.h: Make profile_label_no extern.
5019 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5020 for generating label.
5022 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5024 * config/i386/djgpp.h: Add comments about standard paths.
5025 (MD_EXEC_PREFIX): Undefine before defining.
5026 (MD_STARTFILE_PREFIX): New.
5028 2001-01-30 Bruce Korb <bkorb@gnu.org>
5030 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5031 (load_file): do not rely on load_file_data() to close file pointer
5032 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5033 fixinc/inclhack.def(irix_limits_const): add test_text
5035 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5037 * cppexp.c (parse_defined): Improve diagnostics for invalid
5040 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5042 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5044 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5046 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5047 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5048 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5049 (rs6000_output_symbol_ref): New function.
5050 (output_toc): Use VTABLE_NAME_P.
5052 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5054 * print-tree.c (print_node, case PARM_DECL):
5055 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5057 * stor-layout.c (reference_types_internal): New variable.
5058 (internal_reference_types): New function.
5059 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5060 * tree.h (internal_reference_types): New declaration.
5062 * cse.c (find_best_addr): Fix typo in computing cost.
5064 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5066 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5067 and this is the sum of a pointer and a constant, we know the result
5069 (num_sign_bit_copies, case PLUS): Likewise.
5070 * explow.c (convert_memory_address): Remove opposite SUBREG.
5071 * function.c (instantiate_new_reg): New function (from common code).
5072 (instantiate_virtual_regs_1): Call it.
5073 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5074 if pointers sign- or zero-extend.
5075 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5076 If pointers extend unsigned, use inside of SUBREG.
5077 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5079 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5081 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5082 subdir of gcc_gxx_include_dir.
5083 (gcc_gxx_target_include_dir): Remove.
5085 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5087 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5088 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5089 a high-level description.
5091 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5093 * final.c: Move the declaration of profile_label_no to ...
5094 * output.h: ... here.
5095 * function.c (expand_function_start): Call PROFILE_HOOK.
5096 * config/rs6000/aix.h: Define PROFILE_HOOK.
5097 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5098 * config/rs6000/rs6000.c (output_profile_hook): Define.
5099 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5100 output_profile_hook.
5101 tm.texi : Explain new macro PROFILE_HOOK.
5103 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5105 * extend.texi (Extended Asm): Do not say that semicolon is always
5106 a valid line-breaking character for GNU assemblers. Use
5107 newline-tab as the most commonly supported syntax. Use
5108 newline-tab rather than semicolon in multi-insn examples.
5110 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5112 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5114 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5115 David Edelsohn <edelsohn@gnu.org>
5117 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5118 code for AIX, even without flag_pic.
5120 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5122 * c-typeck.c (common_type): push and pop binding level around
5123 calling common_type on function parameters.
5125 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5127 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5129 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5131 * config/mips/mips.c (override_options): Fix typo in last change.
5132 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5133 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5135 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5137 * invoke.texi (-fdump-class-layout): Document.
5138 (-fdump-translation-unit): Use `=' as filename separator.
5140 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5142 * Makefile.in (s-mlib): Don't build multilibs if
5144 (DRIVER_DEFINES): Adjust accordingly.
5146 (protoize.o): Likewise.
5147 (unprotoize.o): Likewise.
5148 * configure.in: Recognize --enable-multilib.
5150 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5152 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5154 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5155 * configure.in: Remove --enable-libstdcxx_v3 support.
5156 * configure: Regenerated.
5158 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5160 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5161 Call abort instead of fatal.
5162 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5163 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5164 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5165 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5166 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5167 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5169 * diagnostic.h (set_internal_error_function): Renamed.
5170 * toplev.h (internal_error): Renamed from fatal.
5171 (pfatal_with_name): Deleted.
5172 (fatal_io_error): Now has printf-style arguments.
5173 * diagnostic.c (pfatal_with_name): Deleted.
5174 (fatal_io_error): Rework to have args in printf-style.
5175 (set_internal_error_function): Renamed from set_fatal_function.
5176 (internal_error): Renamed from fatal.
5177 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5178 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5179 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5180 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5181 * flow.c (verify_flow_info): Likewise.
5182 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5183 * config/mips/mips.c (save_restore_insns): Likewise.
5185 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5186 * flow.c (verify_flow_info): Likewise.
5187 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5188 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5189 (avr_normalize_condition): Likewise.
5190 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5191 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5192 (limit_reload_class, double_reg_to_memory): Likewise.
5193 (print_operand_address, emit_1600_code_shift): Likewise.
5194 (gen_tst_reg, gen_compare_reg): Likewise.
5195 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5196 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5198 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5200 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5201 * objc/objc-act.c (build_ivar_chain): Likewise.
5202 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5204 * graph.c (clean_graph_dump_file): Likewise.
5205 * profile.c (init_branch_prob): Likewise.
5206 * objc/objc-act.c (objc_init): Likewise.
5208 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5209 * config/avr/avr.c (avr_override_options): Likewise.
5210 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5211 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5212 * config/h8300/h8300.c (h8300_init_once): Likewise.
5213 * config/mips/mips.c (override_options): Likewise.
5214 * config/i386/i386.c (override_options): Likewise, rework.
5215 * config/m68k/m68k.c (override_options): Likewise.
5217 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5219 * config/mips/mips.c (print_operand): Likewise.
5220 * hash.c (hash_allocate): Don't check for failure returns from
5221 obstack functions that can't fail.
5222 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5223 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5224 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5225 (get_object_reference): Likewise.
5227 2001-02-04 Nick Clifton <nickc@redhat.com>
5229 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5230 StrongARM1110, 10TDMI, and 1020T.
5232 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5234 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5236 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5238 * config/sh/sh.md (movdf load split): Pass register number to
5239 FP_OR_XD_REGISTER_P.
5241 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5243 * cppinit.c (BC): New macro.
5244 (builtin_array): Add __GXX_WEAK__.
5245 * cpplib.h (builtin_type): Add BT_WEAK.
5246 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5247 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5248 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5250 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5252 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5254 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5256 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5257 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5259 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5261 * cpphash.h: Rename ALIGN _ALIGN.
5262 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5264 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5266 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5267 compilation environment.
5268 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5269 control over location of cygwin includes and libs.
5271 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5273 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5275 2001-02-02 lars brinkhoff <lars@nocrew.org>
5277 * md.texi (Standard Names): remove reference to spur.md.
5279 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5281 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5282 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5283 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5284 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5285 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5287 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5289 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5290 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5291 number before reload.
5292 (c4x_adjust_cost): Return zero before reload.
5293 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5294 split before reload.
5296 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5298 * c4x.c (c4x_hard_regno_rename_ok): New.
5299 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5300 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5302 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5304 * diagnostic.h: Add missing "extern" in all declarations.
5306 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5308 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5309 as for gcc_gxx_include_dir.
5311 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5313 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5315 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5317 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5318 label before alignment to be used as the braf base address.
5319 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5321 (casesi_jump_2): Require at least TARGET_SH2.
5323 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5324 truncation to 32-bit doubles on -m3e and -m4-single-only.
5326 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5328 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5329 the default when building a shared object.
5330 (init_spec): Use it.
5331 * testsuite/lib/g++.exp: Include the directory where libgcc
5332 is located to the LD_LIBRARY_PATH list.
5333 * invoke.texi (-shared-libgcc): Document the cases in which
5334 GCC defaults to using the shared libgcc.
5336 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5338 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5339 unsigned is wide enough.
5341 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5342 (si_to_float): Likewise.
5343 (float_to_si, float_to_usi): Use BITS_PER_SI.
5345 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5347 * dwarf2out.c: Added explanation of abbreviations.
5348 (def_cfa_1): Added comments listing DWARF2 instructions.
5349 (cfa_temp_reg): Removed in favor of cfa_temp.
5350 (cfa_temp_value): Removed in favor of cfa_temp.
5351 (cfa_temp): New global variable.
5352 (dwarf2out_frame_debug_expr): Added extensive introductory
5353 comments explaining the function's transformations. Revised to
5354 use cfa_temp. Added some rtx checking. Generalize IOR case.
5355 (dwarf2out_frame_debug): Revised to use cfa_temp.
5356 (output_aranges): Cast as "unsigned" to avoid warning.
5357 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5358 explain which instructions must be marked.
5360 2001-02-01 Richard Henderson <rth@redhat.com>
5362 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5365 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5367 * config/sh/crt1.asm (main_k): Modified so that start calls
5368 ___setup_argv_and_call_main.
5370 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5372 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5373 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5374 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5375 * cppmacro.c (builtin_macro): Set builtin flags here.
5376 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5377 (replace_args): Clarify intent.
5378 (cpp_get_token): Macro expansion tokens get the saved flags.
5380 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5383 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5385 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5388 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5390 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5391 returns Pmode pseudo, but we need ptr_mode.
5392 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5393 Remove bogus conversions; use HOST_WIDE_INT for size.
5394 Don't use TARGET if wrong mode.
5396 * config/i386/i386.c (ix86_compute_frame_size): Allow
5397 stack_alignment_needed to be non-default even if size is zero.
5399 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5401 * pa.c (hppa_init_pic_save): New function.
5402 * pa.h (hppa_init_pic_save): Declare.
5403 * pa.md (call, call_value, sibcall, sibcall_value): Use
5404 the above instead of duplicated code.
5406 * pa.c (hppa_encode_label): Correct size of alloca buffer
5407 so we don't overrun it. Correct leading `*' case.
5408 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5409 need to handle `*@'.
5410 (FUNCTION_NAME_P): Likewise.
5412 2001-01-31 Richard Henderson <rth@redhat.com>
5414 * config.gcc (alpha-osf5): Use float-i128.h.
5416 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5417 * config/float-i32.h: Likewise.
5418 * config/float-i64.h: Likewise.
5419 * config/float-sh.h: Likewise.
5420 * config/float-sparc.h: Likewise.
5422 2001-01-31 DJ Delorie <dj@redhat.com>
5424 * expmed.c (extract_bit_field): allow non-integral modes if we
5425 want to extract a whole register from itself.
5427 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5429 * c-typeck.c (set_init_index): If first is equal to last, assume as
5430 if it was not a range at all.
5432 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5434 * config/fp-bit.c: Include tm.h.
5435 (float_to_si): Don't assume SImode is 32-bits wide.
5436 (float_to_usi): Likewise.
5438 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5440 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5442 (typename): Call pending_xref_error after parsing typed_typespecs.
5443 * c-decl.c (lookup_tag): Give error immediately rather than
5444 leaving it pending if the tag of the wrong type is in the same
5446 (xref_tag): Don't pedwarn for forward declarations of enum types
5448 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5451 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5453 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5455 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5457 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5458 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5460 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5462 * cpphash.h (struct cpp_reader): New saved_flags.
5463 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5464 to avoid a paste after a pasted token.
5466 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5468 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5469 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5470 Wtype_MIN instead of LONG_MIN.
5472 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5474 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5476 * fixinc/fixincl.x: Regenerated.
5477 * fixinc/inclhack.def (irix_limits_const): New definition to
5478 convert "const" to "__const" in limits.h.
5480 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5482 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5484 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5486 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5487 when register dies in the insn.
5489 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5491 * diagnostic.c (fatal): Fix word wrap.
5493 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5495 * combine.c (try_combine): Fix SUBREG setting for
5496 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5498 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5500 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5503 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5505 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5507 * toplev.c (decode_W_option): Update warn_larger_than
5508 unconditionally for each processed switch.
5510 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5512 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5514 (hppa_expand_prologue): Delete code to save pic offset table register
5515 in the function prologue.
5516 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5517 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5518 table register at the beginning of the function after the prologue.
5520 2001-01-29 lars brinkhoff <lars@nocrew.org>
5522 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5524 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5525 Jeff Law <law@redhat.com>
5527 * pa.md (return): Revise comment for trivial return.
5528 (return_internal): Non-trivial return pattern for non-PIC code.
5529 (return_internal_pic): Non-trivial return pattern for PIC code.
5530 It uses the PIC register to ensure it is restored after
5532 (epilogue): Generate appropriate return for PIC and non-PIC code.
5534 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5536 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5538 2001-01-29 DJ Delorie <dj@redhat.com>
5540 * combine.c (if_then_else_cond): Pass the correct mode to
5541 operand_subword() for constants.
5543 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5545 * config/i386/cygwin.h: Add w32api to include search. Search different
5546 directories in a cross-build environment.
5548 2001-11-29 Tim Josling <tej@melbpc.org.au>
5550 * tree.h (TYPE_STUB_DECL): Add documentation.
5552 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5554 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5555 (sdbout_field_types): Likwise. Fix use of host_integerp.
5557 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5559 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5562 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5564 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5565 to use flag_gnu_linker.
5567 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5569 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5570 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5572 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5574 * tree.c, tree.h (build_parse_node): Remove; was identical to
5576 * c-lang.c (start_cdtor), objc/objc-act.c
5577 (build_module_descriptor): Use build_nt instead of
5580 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5582 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5583 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5584 not have any upper bits set.
5586 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5588 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5590 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5592 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5594 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5596 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5597 (integer_minus_one_node): Define.
5599 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5601 * Makefile.in (bootstrap2-lean): Fix typo.
5603 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5605 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5606 : Don't set fe_value.
5607 * cpplib.h (AVOID_LPASTE): New flag.
5608 (struct cpp_hashnode): Remove fe_value.
5609 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5610 * cppmacro.c (builtin_macro): Don't set flags here.
5611 (replace_args): Set AVOID_LPASTE flag on first token of an
5612 argument, and the token following it.
5613 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5614 macro expansion, and on the token following it. Do it for
5616 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5618 2001-01-27 Richard Henderson <rth@redhat.com>
5620 * config/alpha/t-ieee: Remove multilibbing.
5621 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5623 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5625 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5627 * Makefile.in: Remove all dependencies on defaults.h.
5628 * builtins.c: Don't include defaults.h.
5629 * c-common.c: Likewise.
5630 * c-decl.c: Likewise.
5631 * c-pragma.c: Likewise.
5632 * c-typeck.c: Likewise.
5633 * combine.c: Likewise.
5635 * frame-ia64.c: Likewise.
5636 * cppexp.c: Likewise.
5637 * crtstuff.c: Likewise.
5638 * dbxout.c: Likewise.
5639 * dwarf2out.c: Likewise.
5640 * dwarfout.c: Likewise.
5641 * emit-rtl.c: Likewise.
5642 * except.c: Likewise.
5644 * final.c: Likewise.
5645 * frame-dwarf2.c: Likewise.
5646 * libgcc2.c: Likewise.
5647 * optabs.c: Likewise.
5648 * profile.c: Likewise.
5649 * sdbout.c: Likewise.
5650 * toplev.c: Likewise.
5651 * tradcif.y: Likewise.
5653 * varasm.c: Likewise.
5655 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5657 * builtins.c (expand_builtin_fputs): Use size_one_node when
5658 transforming into fwrite.
5660 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5662 * extend.texi (Attribute Syntax): New section.
5664 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5666 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5667 they didn't need fixing.
5669 2001-01-27 Janis Johnson <janis@us.ibm.com>
5671 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5673 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5674 to remove macro definitions that are duplicated from elfos.h.
5676 2001-01-27 Richard Henderson <rth@redhat.com>
5678 * config/i386/sco5gas.h: Move ...
5679 * config/usegas.h: ... here.
5680 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5682 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5684 * c-typeck.c (struct constructor_stack): Add range_stack member.
5685 (really_start_incremental_init): Clear it.
5686 (push_init_level): Save constructor_range_stack and clear it if
5687 pushing explicit braces.
5688 (pop_init_level): abort if constructor_range_stack is non-zero at
5689 explicit closing brace. Restore saved constructor_range_stack if
5692 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5694 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5695 into register was forced into memory.
5697 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5699 * Makefile.in: Remove uses of + before $(MAKE).
5701 2001-01-26 Richard Henderson <rth@redhat.com>
5703 * stmt.c (cost_table): Remove.
5704 (COST_TABLE, cost_table_initialized): New.
5705 (estimate_case_costs): Use the later instead of the former.
5706 (balance_case_nodes): Likewise.
5708 2001-01-26 Richard Henderson <rth@redhat.com>
5710 * alias.c (objects_must_conflict_p): Read-only slots may not
5711 conflict despite having the same type.
5713 2001-01-27 Michael Hayes <mhayes@redhat.com>
5715 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5717 (check_ext_dependant_givs): Initialise u_start_val and
5719 (load_mems): Make last_max_reg unsigned.
5720 (try_swap_copy_prop): Use INSN_P and initialise set.
5722 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5724 * README.AVR : Removed.
5726 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5728 * pa-64.h (text_section): Remove declaration.
5730 * pa.md (return_internal): Remove mode on PIC register use.
5732 2001-01-25 lars brinkhoff <lars@nocrew.org>
5734 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5735 ASM_CLOSE_PAREN): fix typos.
5737 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5739 * acconfig.h: Define `const' to the empty string if neither
5740 __STDC__ nor __cplusplus is defined.
5741 * config.in: Regenerated.
5743 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5745 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5746 * collect2.c (main): Delete importf. Add ".obj" file extension.
5747 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5748 (aix_std_libs): Add additional AIX libraries to skip.
5749 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5750 * config/rs6000/aix51.h: New file.
5752 2001-01-25 Michael Hayes <mhayes@redhat.com>
5754 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5755 (loop_insn_emit_before): No longer static.
5756 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5757 (loop_givs_rescan, load_mems): Likewise.
5758 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5759 (maybe_eliminate_biv_1):
5760 (move_movables): Replace emit_call_insn_before with
5761 loop_call_insn_hoist.
5762 * loop.h (loop_insn_emit_before): Add.
5763 * unroll.c (copy_loop_body): Replace emit_insn_before with
5764 loop_insn_emit_before.
5766 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5768 * diagnostic.c (fatal): Request preprocessed source.
5770 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5772 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5773 olddecl has argument types and newdecl has none, use the argument
5776 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5778 * dwarf2out.c (prefix_of): New function. Determine longest common
5779 prefix of the two arguments. The units are whole path components.
5780 (output_file_names): When adding a new directory find the one entry
5781 with the longest common prefix already in the list. Artificially
5782 generate entry if there is none for this prefix.
5783 Fix test to check whether the zeroth directory entry is used.
5785 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5787 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5788 Changed all callers. Take it into account when deciding if a
5789 previously loaded value matches.
5791 2001-01-24 Richard Henderson <rth@redhat.com>
5793 * reload.c (find_reloads_subreg_address): Fail the substitution
5794 if the resulting address is insufficiently aligned.
5796 2001-01-24 DJ Delorie <dj@redhat.com>
5798 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5799 check the original operand's mode also.
5800 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5802 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5804 * c-parse.in (cast_expr): Move compound literals from here ...
5805 (primary): ... to here. Use standard terminology "compound
5806 literal" instead of "constructor expression".
5808 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5810 * gcc.1, cpp.1: Regenerate.
5812 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5814 * calls.c (emit_library_call_value_1): Memory slot for
5815 pass-by-reference argument should have the mode of the argument,
5816 not of the pointer to it.
5818 2001-01-24 Tom Tromey <tromey@redhat.com>
5820 * gcc.texi (G++ and GCC): Mention gcj manual.
5821 (Standards): Link to section of manual mentioning gcj/Java
5824 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5826 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5827 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5828 * tradcpp.c (main): Add -imacros or -include'd dependencies
5830 * cpp.texi (-M, -MM): Document -M -include behaviour.
5832 2001-01-24 Roger Collins <roger@ProProject.com>
5834 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5836 2001-01-24 Will Cohen <wcohen@redhat.com>
5838 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5839 whether registers are 32 bits or 64 bits in size.
5841 2001-01-24 Ben Elliston <bje@redhat.com>
5843 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5845 2001-01-24 Richard Henderson <rth@redhat.com>
5847 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5848 (builtin_longjmp): Use it instead of emit_indirect_jump.
5850 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5852 * bb-reorder.c (make_reorder_chain_1): Handle case where
5853 jump edge goes to the same block as the fallthru edge.
5855 2001-01-23 Jim Wilson <wilson@redhat.com>
5857 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5858 * frame.h (__ia64_personality_v1): Add prototype.
5859 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5860 prototype form. Add void * cast to first argument to personality
5862 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5863 (asctoe113): Likewise.
5864 * config/ia64/frame-ia64.c: Include eh-common.h.
5865 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5867 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5869 (itanium_split_issue): Add prototype.
5870 (gen_nop_type): Ifdef out.
5871 (find_best_packet): Initialize best_packet.
5872 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5874 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5875 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5876 (flushrs): Add explicit stop bit at end.
5877 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5880 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5882 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5884 * libgcc2.c (__terminate_func): Make variable static.
5885 (__terminate_set_func): New function to set __terminate_func.
5886 * libgcc2.h (__terminate_func_ptr): New typedef.
5887 (__terminate_set_func): New function.
5889 2001-01-23 Richard Henderson <rth@redhat.com>
5891 * flow.c (init_propagate_block_info): Don't consider unchanging
5892 memories for dead frame store elimination.
5894 2001-01-23 Richard Henderson <rth@redhat.com>
5896 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5897 * defaults.h: ... here.
5899 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5901 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5903 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5905 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5907 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5909 * rs6000.h (rs6000_return_addr): Move prototype from here...
5910 * rs6000-protos.h (rs6000_return_addr): ...to here.
5911 (rs6000_init_expanders): Delete prototype.
5913 2001-01-23 Nick Clifton <nickc@redhat.com>
5915 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5916 (Spec Files): Document %B and %j and %. and %v3 and %M and
5917 %{S*&T} spec switches.
5919 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5921 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5923 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5924 Neil Booth <neil@daikokuya.demon.co.uk>
5926 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5927 Have -Werror make pedantic warnings errors, like the
5930 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5932 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5934 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5936 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5937 * integrate.c (expand_inline_function): Initialize them.
5938 (subst_constants): If changing COMPARE so that both its arguments
5939 will be VOIDmode and the comparison mode will be lost, note
5940 compare_mode. Use the recorded compare_mode to optimize
5943 2001-01-23 Jason Merrill <jason@redhat.com>
5945 * dwarf2out.c (new_die): Use xcalloc.
5946 (output_die): Abort rather than emit a local reference to offset 0.
5948 2001-01-17 Andrew Haley <aph@redhat.com>
5950 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5951 of a saved register; return NULL instead.
5952 (copy_reg): Take a pointer to a source register rather than a
5954 (next_stack_level): Remember the address in the stack frame of all
5956 Use the saved register pointer array as the source of the CFA.
5957 (throw_helper): Rewrite. Unwind once rather than twice and keep
5958 track of saved registers as we go.
5960 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5962 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5963 * c4x.c (c4x_legitimize_reload_address): Remove.
5964 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5965 reload address for ldp(k) insn.
5967 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5969 * pa.md (return_internal): Add a USE of the PIC register to ensure
5970 it is restored after each call.
5971 (return expander): Corresponding changes.
5973 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5975 * rs6000.h (INIT_EXPANDERS): Delete.
5976 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5977 * rs6000.c (rs6000_override_options): Call *_machine_status from
5979 (rs6000_init_expanders): ...instead of here. Delete.
5980 (rs6000_mark_machine_status): New function.
5981 (rs6000_init_machine_status): Use xcalloc.
5982 (rs6000_return_addr): Generate RTX for the return address.
5983 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5984 (rs6000_stack_info): Use it.
5986 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5988 * gthr-win32.h: Include errno.h to get a declaration for
5989 EINVAL and _mingw.h if the target is mingw32.
5991 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5993 * cpp.texi: Correct typos.
5995 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5997 * explow.c (probe_stack_range): Ensure value passed to
5998 stack_check_libfunc is ptr_mode, not Pmode.
6000 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6002 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6003 case, don't use operand_subword to calculate a SUBREG that is
6006 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6008 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6010 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6011 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6012 valid. If not replace it by equivalent insns.
6014 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6016 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6017 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6018 (c4x_U_constraint, symbolic_address_operand): Likewise.
6019 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6021 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6022 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6023 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6024 anulling slot because of silicon bug.
6025 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6027 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6029 * cppexp.c (parse_charconst): Change `mask' type to agree
6032 2001-01-21 Richard Henderson <rth@redhat.com>
6034 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6035 pic_label_name in a linkonce section.
6037 2001-01-17 Philipp Thomas <pthomas@suse.de>
6039 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6041 * configure: Regenerate.
6043 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6045 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6046 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6048 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6050 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6051 If REVERSE nonzero then condition code in X must be reversed.
6052 (encode_section_info): Optimise if/else.
6053 (avr_function_value): Fix formatting.
6055 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6056 (difficult_branch): Likewise.
6057 (rvbranch): Likewise.
6058 (difficult_rvbranch): Likewise.
6060 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6062 * config/avr/libgcc.S: Fix comment.
6064 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6066 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6068 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6070 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6072 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6074 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6075 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6076 * configure, config.in: Regenerate.
6077 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6078 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6079 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6080 (doprint.o): New rule.
6082 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6084 * c-typeck.c (digest_init): Handle boolean types as scalars.
6086 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6088 * stmt.c (expand_return): Don't return anything if size is zero.
6089 Delete redundant assignment to BYTES.
6090 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6092 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6094 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6095 the same as the default library function names.
6096 * config/avr/avr.md: Document special characters after '%'.
6097 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6098 knowing which of the call-used registers are really clobbered.
6099 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6100 New. Both quotient and remainder from one libgcc.S call.
6101 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6102 clobber as few registers as possible.
6103 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6105 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6107 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6108 context of the top of the stack.
6110 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6112 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6113 (fixup_var_refs_insns): ...here.
6115 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6117 * function.c (fixup_var_refs_insns): Break up into
6118 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6119 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6120 [loop over hash table entries].
6121 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6122 fixup_var_refs_insns_with_hash, to match above changes.
6124 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6126 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6127 (libgcc.a): Likewise.
6128 (stmp-multilib): Likewise.
6129 (STAGE2_FLAGS_TO_PASS): Likewise.
6131 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6133 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6134 temporary if no_new_pseudos.
6136 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6138 * cppinternals.texi: Update.
6140 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6142 * arm.c (arm_init_builtins): Re-enable builtins.
6144 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6146 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6147 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6148 element to be null, and always expect an EXPR_LIST.
6149 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6150 * sched-deps.c (sched_analyze_1): Likewise.
6151 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6153 * regclass.c (max_set_parallel): New variable.
6154 (reg_scan): Take it into account in computation of max_parallel.
6155 (reg_scan_mark_refs, case SET): Compute it.
6157 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6159 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6160 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6162 2001-01-19 Jason Merrill <jason@redhat.com>
6164 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6165 for the abstract instance of an inline function.
6167 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6168 J"orn Rennecke <amylaar@redhat.com>
6170 * reload1.c (move2add_note_store): Treat all registers directly or
6171 indirectly derived from a base register as members of the same set
6173 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6174 of base register into account.
6176 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6178 * alias.c (find_base_value): Recognize TRUNCATE.
6179 (record_set): In PLUS case, invalidate if other summand is also a
6182 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6184 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6185 entry to be EXPR_LIST.
6186 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6187 be an EXPR_LIST (but not null, which other code doesn't allow).
6188 (note_stores): Properly handle PARALLEL in SET.
6189 Recursively call for top-level PARALLEL.
6190 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6191 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6193 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6195 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6197 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6198 not pfile->skipping (== 0).
6200 2001-01-17 Nick Clifton <nickc@redhat.com>
6202 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6205 2001-01-17 Jim Wilson <wilson@redhat.com>
6207 * invoke.texi (IA-64 options): Improve.
6209 2001-01-17 Tom Tromey <tromey@redhat.com>
6211 * invoke.texi (Optimize Options): Use `{}' to around @samp
6214 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6216 * invoke.texi (-fno-guess-branch-probability): New option.
6218 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6220 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6221 case of making new double-word constant.
6222 Revert last change: instead just test i3_subst_into_i2.
6224 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6226 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6227 Use q constraints instead of r.
6229 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6231 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6232 (machine_function): Define.
6233 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6234 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6235 pa_free_machine_status): New functions.
6236 (override_options): Set {init,mark,free}_machine_status to above.
6237 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6238 PIC_OFFSET_TABLE_REGNUM_SAVED.
6239 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6240 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6241 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6242 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6243 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6245 2001-01-15 DJ Delorie <dj@redhat.com>
6247 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6251 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6253 * flow.c (propagate_on_insn): Make trying to delete a prologue
6254 or epilogue insn an ICE, not a warning. Allow doing this if
6255 the current function returns with stack pointer depressed.
6257 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6258 I3 having more than one SET.
6260 2001-01-16 Jim Wilson <wilson@redhat.com>
6262 * invoke.texi: Document IA-64 options.
6264 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6265 (fixup_errata): Delete TARGET_A_STEP use.
6266 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6267 (TARGET_SWITCHES): Delete -ma-step option.
6268 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6269 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6270 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6271 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6272 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6273 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6275 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6276 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6277 cmovsi_internal): Delete ! TARGET_A_STEP check.
6279 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6281 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6282 possibility to report bugs via postal mail. Change a URL and
6283 merge in a nearly duplicate statement...
6284 (Bug Reporting): ...from here.
6285 (Service): Refer to the Bug Reporting section instead of
6287 (Contributing): Remove trivial explanations concerning snapshots.
6289 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6291 * cppmain.c (general_init): Don't use ANSI prototype.
6293 2001-01-16 Tom Tromey <tromey@redhat.com>
6295 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6297 2001-01-16 Richard Henderson <rth@redhat.com>
6299 * config/i386/i386.h: Fix comment typo.
6300 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6301 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6303 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6305 * gcc.c: Revert previous -fsyntax-only-related change; move
6308 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6310 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6311 inmode after checking GET_CODE (op).
6313 2001-01-16 Richard Henderson <rth@redhat.com>
6315 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6316 (MAX_MEM_SET_LIST_LEN): New.
6317 (propagate_one_insn): Update mem_set_list_len.
6318 (invalidate_mems_from_autoinc): Likewise.
6319 (invalidate_mems_from_set): Likewise.
6320 (mark_used_regs): Likewise.
6321 (init_propagate_block_info): Likewise. Stop collecting memories
6322 when we reach MAX_MEM_SET_LIST_LEN.
6323 (mark_set_1): Likewise.
6325 2001-01-16 Richard Henderson <rth@redhat.com>
6327 * unroll.c (precondition_loop_p): Fail if no iteration
6330 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6332 * gcc.c: When -fsyntax-only is given, do not complain about
6335 2001-01-15 Richard Henderson <rth@redhat.com>
6337 * config/i386/i386.c (asm_output_function_prefix): Remove.
6338 (ix86_asm_file_end): New.
6339 (load_pic_register): Generate pic_label_name into a
6340 staticly allocated buffer.
6341 * config/i386/i386-protos.h: Update.
6342 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6343 (ASM_FILE_END): New.
6344 * config/i386/i386afe.h: New file.
6345 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6346 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6347 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6348 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6349 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6350 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6351 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6353 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6355 * Makefile.in (install-man): Remove explicit dependency on
6358 * configure.in, configure: Revert previous patch requiring perl
6361 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6363 * toplev.c (flag_guess_branch_prob): New.
6364 (f_options): Add guess-branch-probability option.
6365 (rest_of_decl_compilation): Only estimate branch probability if
6367 (main): set flag_guess_branch_prob.
6369 * flags.h (flag_guess_branch_prob): New.
6371 2001-01-15 DJ Delorie <dj@redhat.com>
6373 * gcc.texi (Makefile): Add documentation for Makefile targets.
6375 2001-01-15 Philip Blundell <philb@gnu.org>
6377 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6379 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6380 (is_pic): Delete declaration.
6381 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6382 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6383 * config/arm/arm.md (builtin_setjmp_receiver): New.
6385 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6387 * arm.c (use_return_insn): Don't try to determine the function type
6388 until after reload has completed.
6389 (arm_output_epilogue): Don't adjust the sp value recovered from the
6391 (emit_multi_reg_push): Don't record dwarf information for the pc.
6392 * arm.md (eh_epilogue): The function type may have changed, so it
6393 needs to be recalculated.
6394 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6395 unwind tables on arm/netbsd.
6397 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6399 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6400 (negated_cbranchsi4): Likewise.
6402 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6404 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6405 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6406 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6407 pass -mapcs-* options to assembler.
6408 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6409 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6410 (ASM_SPEC): Call subtarget_extra_asm_spec.
6412 2001-01-15 Andreas Jaeger <aj@suse.de>
6414 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6416 (ix86_expand_builtin): Likewise.
6418 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6419 warning about comparison between signed and unsigned.
6421 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6423 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6425 2001-01-14 Ralf Baechle <ralf@gnu.org>
6427 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6428 SUBTARGET_CPP_SPEC apropriatly.
6430 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6432 * varasm.c (make_decl_rtl): Fix typo in last change.
6434 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6436 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6437 linker supports the init_priority C++ attribute.
6438 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6439 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6440 linker does not support init_priority C++ attribute.
6442 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6444 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6446 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6448 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6449 * cp/lex.c (finish_parse): Similarly.
6450 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6451 Return the number of errors encountered.
6452 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6453 * cppmain.c (main): Don't call cpp_destroy.
6455 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6457 * configure.in: Require at least perl 5.6.0 to regenerate
6459 * configure: Regenerate.
6461 2001-01-14 Richard Henderson <rth@redhat.com>
6463 * genrecog.c (DT_veclen_ge): New.
6464 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6465 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6466 (nodes_identical_1): Handle DT_veclen_ge.
6467 (write_cond, debug_decision_2): Likewise.
6469 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6471 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6473 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6475 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6477 * cppmain.c (do_preprocessing): New function; most of the old
6479 (main): Call it to do most of the work.
6480 (cb): Move from global scope to set_callbacks ().
6481 (setup_callbacks): Get the callback pointer.
6482 (general_init, printer_init): Clean up code and comments.
6484 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6486 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6489 2001-01-14 Kazu Hirata <kazu@hxi.com>
6491 * config/h8300/h8300.c (get_shift_alg): Update comments.
6493 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6495 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6496 (alloc_page, ggc_alloc): Add casts to remove warnings.
6498 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6500 * combine.c (simplify_comparison): Don't change `code' when
6501 can't reverse comparison.
6503 2001-01-14 Richard Henderson <rth@redhat.com>
6505 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6506 update all call sites. Return true for all non-label constants.
6508 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6510 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6512 (ix86_expand_branch): Update.
6513 (ix86_expand_setcc): Update to handle multiple test conditions.
6514 (expand_int_movcc): Likewise.
6515 (expand_fp_movcc): Likewise.
6516 * i386-protos.h (ix86_expand_compare): New.
6517 * i386.md (andqi_?_slp, orqi_?_slp): New.
6518 (conditional trap expander): Update call to ix86_expand_compare.
6520 2001-01-14 Richard Henderson <rth@redhat.com>
6522 * config/vax/vax.md: Use nonimmediate_operand instead of
6523 general_operand in destinations.
6525 * config/vax/vax.md (indirect_jump): Use register_operand.
6527 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6528 * config/vax/vax.md (call_pop): Turn into an expander.
6529 (call_value_pop): Likewise.
6530 (call, call_value): New.
6532 2001-01-14 Andreas Jaeger <aj@suse.de>
6534 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6536 (ix86_fp_compare_mode): Add unused attribute.
6537 (ix86_expand_fp_movcc): Remove unused variable.
6538 (ix86_expand_builtin): Make fcode unsigned.
6540 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6541 (expand_expr): Add cast to avoid signed warning.
6542 (store_field): Likewise.
6543 (store_constructor_field): Likewise.
6544 (store_constructor): Likewise.
6545 (store_expr): Likewise.
6546 (clear_storage): Likewise.
6547 (emit_group_store): Likewise.
6548 (emit_group_load): Likewise.
6550 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6552 * c-common.c: Move format checking code to ...
6553 * c-format.c: ... here. New file. Reorder some functions and
6555 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6557 * c-common.h (decl_handle_format_attribute,
6558 decl_handle_format_arg_attribute): Declare.
6559 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6560 (c-common.o): Adjust dependencies.
6561 (c-format.o): New list of dependencies.
6563 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6565 * unroll.c (loop_iterations): If we cannot prove iteration variable
6566 is set once in each iteration, punt.
6568 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6570 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6571 (*strlenhi): Remove clobber (which was buggy) of output address.
6573 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6575 * Makefile.in (generated-manpages): Add gcc.1
6576 ($(srcdir)/gcc.1): New target.
6577 (maintainer-clean): Delete $(srcdir)/gcc.1.
6578 * gcc.texi: Add macros @gccoptlist and @gol.
6579 * invoke.texi: Include option summary in manpage. Mark up option
6580 summary with @gccoptlist and @gol. Use @r in one place where
6582 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6583 * gcc.1: Generate from invoke.texi.
6585 2001-01-13 Richard Henderson <rth@redhat.com>
6587 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6588 (struct page_entry): Add group member.
6589 (struct page_group): New.
6590 (struct globals): Add page_groups member.
6591 (alloc_anon): Only define for using mmap; remove valloc call.
6592 (page_group_index): New.
6593 (set_page_group_in_use): New.
6594 (clear_page_group_in_use): New.
6595 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6596 (free_page, release_pages): Likewise.
6597 * configure.in (with-gc): Default to ggc-page always.
6599 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6601 * reload1.c (replace_pseudos_in_call_usage): Use
6602 reg_equiv_constant and reg_equiv_address, and don't try
6603 regno_reg_rtx first.
6605 2001-01-13 Richard Henderson <rth@redhat.com>
6607 * ggc-page.c (alloc_page): Round up allocation size to one page.
6608 Set e->order on extra pages.
6610 2001-01-13 Richard Henderson <rth@redhat.com>
6612 * genrecog.c (nodes_identical): Expand commentary.
6613 (write_switch): Watch out for identical nodes.
6615 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6617 * cppfiles.c (_cpp_fake_include): New function.
6618 * cpphash.h (_cpp_fake_include): New.
6619 * cpplib.c (do_line): Call _cpp_fake_include when entering
6620 header files in preprocessed input.
6621 * cppmain.c (cb_pragma_implementation): Remove handling.
6622 (setup_callbacks): Don't register pragmas.
6624 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6626 * extend.texi: Udate for CPP.
6628 2001-01-13 Andreas Jaeger <aj@suse.de>
6630 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6632 * regmove.c: Add prototype for replace_in_call_usage.
6634 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6636 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6637 struct cpp_chunk, struct htab, struct toklist,
6638 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6639 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6640 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6641 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6642 (struct macro_args): Delete.
6643 * cpphash.h: See above.
6645 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6647 * cppmain.c (struct printer): Remove no_line_dirs.
6649 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6650 : Use options rather than CPP_OPTION.
6651 (setup_callbacks): Use cb rather than pfile->cb.
6652 (main): No need to check for a buffer. Use cpp_errors.
6653 (printer_init): Don't set no_line_dirs.
6654 (maybe_print_line): Use options not no_line_dirs.
6655 (cb_file_change): Don't call print_line if -P.
6657 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6659 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6661 * c-parse.in (finish_parse): Use cpp_errors.
6662 (__yylex): Use return value of cpp_pop_buffer.
6663 * cp/lex.c (finish_parse): Use cpp_errors.
6664 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6666 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6668 * README.AVR: URLs corrected.
6670 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6672 * c-decl.c (start_function): Don't warn if old prototype is builtin
6673 that's not in C's namespace.
6674 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6675 (_bb): Add prototype for ctime.
6676 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6678 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6680 * i386.c (ix86_fp_comparison_arithmetics_cost,
6681 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6682 ix86_fp_comparison_cost): New functions.
6683 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6684 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6685 two-branch sequences; make static.
6686 (ix86_use_fcomi_compare): Do decision according to the costs.
6687 (split_fp_branch): New.
6688 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6689 * i386-protos.h (ix86_expand_fp_compare): Remove
6690 (ix86_split_fp_branch): Declare.
6692 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6693 and ix86_comparison_operator.
6695 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6698 * i386.c (put_condition_code): Output properly the unordered/ordered
6699 compares in fp case.
6700 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6702 * tm.texi (REVERSE_CONDITION): Document.
6703 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6704 in -ffast-math mode.
6705 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6707 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6709 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6711 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6714 * config/sh/sh.c (mova_p): Fix test for mova_const.
6716 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6718 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6719 cpp_get_options rather than dereferencing pfile and using
6721 * scan-decls.c (scan_decls): Use return value of
6722 cpp_pop_buffer rather than CPP_BUFFER.
6724 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6726 * cppinit.c (cpp_handle_option): help_only is now part of the
6727 cpp_options structure.
6728 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6729 cpp_set_callbacks): New functions.
6730 * cpplib.h (cpp_callbacks): Break out as a named structure.
6731 (cpp_options): Move help_only here from cpp_reader.
6732 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6733 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6734 cpp_set_callbacks): New prototypes.
6735 * cppmain.c (main): Update for help_only.
6737 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6739 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6740 Also build and remove and install and uninstall c-tree.info and
6742 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6743 ($(srcdir)/cppinternals.info): New target.
6744 * c-tree.texi: Change file name used when makeinfo used without -o
6745 from ir.info to c-tree.info. Add info directory entry.
6746 * cppinternals.texi: Add info directory entry.
6747 * .cvsignore: Update.
6749 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6751 * c-typeck.c (store_init_value): Don't require constant initializer
6752 elements with -pedantic -std=c99.
6753 (digest_init): Change error about non-constant initializer elements
6755 (constructor_range_end): Remove.
6756 (constructor_incremental, designator_depth,
6757 designator_errorneous): New variables.
6758 (struct constructor_stack): Remove range_end, add incremental.
6759 (struct constructor_range_stack, constructor_range_stack): New.
6760 (struct initializer_stack): Add constructor_range_stack.
6761 (finish_init): Set it.
6762 (start_init): Likewise. require_constant_elements for non-static
6763 trees only if not flag_isoc99.
6764 (really_start_incremental_init): Remove constructor_range_end, add
6765 constructor_incremental.
6766 (pop_init_level): Likewise.
6767 (push_init_level): Likewise. If implicit and the subobject had some
6768 value set already, preinitialize the level with it.
6769 Warn about missing braces only if not pushing due to designators.
6770 (set_designator, push_range_stack): New functions.
6771 (set_init_label): Use them.
6772 (set_init_index): Likewise. Remove constructor_range_end.
6773 Error if designator index is outside of array bounds.
6774 (add_pending_init): Compare values of purpose index trees, not the
6775 trees themselves. Allow overwriting of already initialized element.
6776 Issue a warning if it had side-effects.
6777 (set_nonincremental_init, set_nonincremental_init_from_string): New
6779 (pending_init_member): Rename to...
6780 (find_init_member): ...this function. Call set_nonincremental_init
6781 if necessary. Compare values of purpose index trees, not the trees
6782 themselves. Return the actual value, not just non-zero if something
6784 (output_init_element): Remove checks for duplicates.
6785 If field has zero size, only check the initializer for correctness.
6786 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6787 if constructor_incremental is zero. Change error about initializers
6788 not computable at load time into pedwarn.
6789 (output_pending_init_elements): Compare bit positions, not
6790 FIELD_DECLs to take into account zero-sized fields.
6791 (process_init_element): Use constructor_range_stack to fill all
6792 ranges in the designator lists from current level up.
6793 * extend.texi: Update documentation for labeled elements.
6795 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6797 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6798 to function usage for arguments passed by reference. Optimize
6799 callee-copied arguments.
6800 * regmove.c (replace_in_call_usage): New function.
6801 (fixup_match_1): Call it.
6802 * cse.c (cse_insn): Canonicalize registers in function usage.
6803 * reload1.c (replace_pseudos_in_call_usage): New function.
6806 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6809 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6811 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6814 2001-01-12 DJ Delorie <dj@redhat.com>
6816 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6817 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6820 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6822 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6823 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6824 -std options alongside references to -ansi. Update some
6825 documentation for C99.
6826 * cpp.1: Regenerate.
6828 2001-01-12 Andreas Jaeger <aj@suse.de>
6830 * haifa-sched.c (restore_line_notes): Remove argument block B
6832 * sched-ebb.c (schedule_ebb): Change caller.
6833 * sched-rgn.c (schedule_region): Likewise.
6834 * sched-int.h (restore_line_notes): Adjust prototype.
6836 * loop.h: Remove wrong declaration of doloop_condition_get.
6838 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6840 * extend.texi: Move C++-extension-related node from the C section
6841 into the C++ section.
6843 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6845 * extend.texi: Refer to an array of pointers to functions instead
6846 of one of functions.
6848 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6849 Jan Hubicka <jh@suse.cz>
6851 * combine.c (reversed_comparison): Fix typo in last patch.
6853 (combine_reversed_comparison_code): Make static to follow
6854 prototype declaration.
6856 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6858 * install.texi: Remove misplaced duplicate entry.
6860 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6862 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6864 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6866 * final.c: (leaf_function_p): Fix typo.
6868 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6870 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6871 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6873 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6874 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6875 mmap_anon, and valloc is available.
6876 * ggc-page.c: Restructure ifdef logic to match new autoconf
6877 spec. Don't throw away the test page in init_ggc.
6879 * configure, config.in: Regenerate.
6881 2001-01-12 Michael Hayes <mhayes@redhat.com>
6883 * loop.h (total_biv_increment): Constify iv_class pointer.
6884 (struct induction): Replace `mem_mode' with `mem' rtx.
6885 * unroll.c (total_biv_increment): Constify iv_class pointer.
6886 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6887 (find_mem_givs, combine_givs_p): Likewise.
6888 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6890 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6892 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6894 (__gthread_getspecific): Ditto.
6896 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6898 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6899 put_condition_code): Convert fp comparison codes to integer
6901 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6904 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6905 * i386-protos.h (no_comparison_operator): Kill.
6907 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6909 * combine.c (REVERSIBLE_CC_MODE): Remove.
6910 (reversible_comparison_p): Remove.
6911 (combine_reversed_comparison_code): New.
6912 (reversed_comparison): New.
6913 (combine_simplify_rtx): Use
6914 combine_reversed_comparison_code/reversed_comparison instead
6915 of reversible_comparison_p.
6916 (simplify_if_then_else): Likewise.
6917 (simplify_set): Likewise.
6918 (simplify_logical): Likewise.
6919 (if_then_else_cond): Likewise.
6920 (known_cond): Likewise.
6921 (simplify_comparison): Likewise.
6923 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6925 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6926 sizeof (int) is larger than sizeof(__word__).
6928 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6930 * cppinit.c (do_includes): Fix typo.
6932 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6934 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6935 in S_REGS does not occur because not all sources are possible
6936 when a S_REGS is a destination (sometimes needs a clobber).
6937 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6938 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6939 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6940 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6941 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6942 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6943 (lshrdi_const1, lshrsi3_const16): Likewise.
6944 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6945 (*movhi_68hc12, *movqi_68hc12): Likewise.
6946 (movstrictqi): Make sure reloading in D_REGS as a destination
6949 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6951 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6953 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6955 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6956 -D, -U and -A, and don't initialize the builtins.
6957 (do_includes): Error if -include or -imacros with -fpreprocessed.
6958 * cppmain.c (cb_define, cb_undef): Unconditionally process
6960 * tradcpp.c (main): Fix typo.
6962 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6964 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6965 (read_name_map): Use IS_ABSOLUTE_PATH.
6966 * tradcpp.c (get_filename): Likewise.
6968 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6970 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6971 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6972 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6973 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6974 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6975 (cmphi_z_used): Don't use '@' for the output.
6976 (tstqi_z_used): Likewise.
6977 (cmpqi_z_used): Likewise.
6978 (one_cmplsi2): Likewise.
6980 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6982 * config/sh/sh.c (barrier_align): Recognize branch around far
6983 branch and redundant insn.
6985 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6987 * invoke.texi: Restore documentation of the drivers' switches -MD
6990 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6992 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6994 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6995 check-objc//%): Support parallel testing of multilibs.
6996 (TESTSUITEDIR): Set to testsuite by default, but override for
6998 (check-gcc, check-g++, check-g77, check-objc): Enter
7001 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7003 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7004 * sched-deps.c (deps_may_trap_p): Likewise.
7005 * basic-block.h: Remove a comment.
7006 * flow.c (PROP_POSTRELOAD): Remove.
7007 (update_life_info): Don't add it to prop_flags.
7008 (mark_set_1): Lose the code that was enabled by it.
7010 2001-01-11 Michael Hayes <mhayes@redhat.com>
7012 * flow.c (flow_call_edges_add): New.
7013 * basic_block.h (flow_call_edges_add): New.
7015 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7017 * reload1.c (move2add_note_store): Update reg_set_luid even if
7018 base reg remains the same.
7020 2001-01-10 Nick Clifton <nickc@redhat.com>
7022 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7023 machine_function structure to zero.
7024 Add prototypes for machine_status functions.
7026 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7028 * c-common.h (CTI_VOID_LIST): Remove.
7029 (void_list_node): Likewise.
7030 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7031 (void_list_node): New macro.
7032 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7033 * config/i386/i386.c (ix86_init_builtins): Likewise.
7034 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7036 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7038 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7039 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7041 * tradcpp.c: Include mkdeps.h.
7042 (deps, print_deps_phony_targets, deps_append, output_deps,
7043 init_dependency_output, output_deps): New.
7044 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7045 deps_output): Delete.
7046 (print_deps_missing_files): Rename deps_missing_files.
7047 (inhibit_output): Make global.
7048 (main): Delete inhibit_output, deps_stream, deps_target.
7049 Use mkdeps functionality in the same way as cpplib. Remove
7050 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7051 -M and -MM. Remove old handling of deps via deps_out, and
7052 old reading of environment variables.
7053 (get_filename): Update to use deps_add_dep.
7055 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7057 * output.h (make_function_rtl): Remove prototype.
7058 (make_decl_rtl): Likewise.
7059 * varasm.c (make_function_rtl): Remove.
7060 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7061 than from a third parameter.
7062 * tree.h (make_decl_rtl): Remove last parameter.
7063 * c-decl.c (builtin_function): Remove last argument in call to
7064 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7065 (start_function): Likewise.
7066 * except.c (call_get_eh_context): Likewise.
7067 * expr.c (emit_block_move): Likewise.
7068 (clear_storage): Likewise.
7069 * profile.c (output_func_start_profiler): Likewise.
7070 * toplev.c (rest_of_decl_compilation): Likewise.
7071 * objc/objc-act.c (create_builtin_decl): Likewise.
7072 (synth_module_prologue): Likewise.
7073 (generate_static_reference): Likewise.
7074 (build_selector_reference_decl): Likewise.
7075 (build_class_reference_decl): Likewise.
7076 (build_objc_string_decl): Likewise.
7077 (build_protocol_reference): Likewise.
7079 2001-01-10 Richard Henderson <rth@redhat.com>
7081 * hwint.h: Revert yesterday's change.
7083 2001-01-10 Nick Clifton <nickc@redhat.com>
7085 * function.h (save_machine_status): Delete.
7086 (restore_machine_status): Delete.
7087 Amend comment describing {init|mark|free}_machine_status.
7089 * function.c (save_machine_status): Delete.
7090 (restore_machine_status): Delete.
7091 Amend comment describing {init|mark|free}_machine_status.
7092 (push_function_context_to): Remove invocation of
7093 save_machine_status.
7094 (pop_function_context_from): Remove invocation of
7095 restore_machine_status.
7097 * emit-rtl.c (init_emit_once): Amend comment describing
7098 {init|mark|free}_machine_status.
7100 * tm.texi (Per-Function Data): New node. Describe the
7101 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7104 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7106 * cppinit.c (OPT_g): Remove.
7107 (cpp_handle_option): Update for removed -g3.
7108 (print_help): Update.
7109 * cpplib.h (struct cpp_options): Remove debug_output.
7110 * cppmain.c (setup_callbacks, cb_define): Update.
7111 * gcc.c (cpp_options): Translate -g3 to -dD.
7113 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7115 * config/i960/i960.md: Change modifier to + on the zero_extract
7116 pattern after the (rotate -2 reg) canonicalization pattern.
7118 2001-01-10 Richard Henderson <rth@redhat.com>
7120 * config/alpha/alpha.c (alpha_free_machine_status): New.
7121 (override_options): Install it.
7122 (alpha_mark_machine_status): Verify machine non-null.
7123 * config/i386/i386.c (ix86_free_machine_status): New.
7124 (override_options): Install it.
7125 (ix86_init_machine_status): Use xcalloc.
7126 (ix86_mark_machine_status): Verify machine non-null.
7127 * config/ia64/ia64.c (ia64_free_machine_status): New.
7128 (ia64_override_options): Install it.
7129 (ia64_mark_machine_status): Verify machine non-null.
7131 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7133 * function.c (instantiate_virtual_regs): Instantiate virtual
7134 registers found in CALL_INSN_FUNCTION_USAGE.
7136 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7138 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7139 equivalent to -ansi in disabling -Di386.
7141 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7143 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7145 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7147 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7149 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7151 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7153 * invoke.texi: Document that -fcond-mismatch isn't supported for
7156 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7158 * gcc.texi: Define macro gcctabopt.
7159 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7160 @command, @env and @option in some places where appropriate. Use
7161 @gcctabopt where appropriate. Put URLs and email addresses inside
7164 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7166 * gcc.c (cpp_options): Set MD file name from output
7167 filename, if specified.
7168 (suffix_subst): New static variable.
7169 (do_spec): Clear it.
7170 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7172 (give_switch): Handle suffix_subst.
7174 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7176 * invoke.texi: Fix another typo.
7178 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7180 * invoke.texi: Fix typo.
7182 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7184 * c-lang.c (lang_hooks): Update.
7185 (lang_decode_option): Remove.
7186 (lang_init_options): Rename c_init_options.
7187 * toplev.c (main): Use lang_hooks for lang_init_options
7188 and lang_decode_option.
7189 * toplev.h (lang_hooks): Add 2 new hooks.
7190 * tree.h: Remove lang_init_options and lang_decode_option.
7191 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7192 * cp/decl2.c: Similarly.
7193 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7194 (lang_hooks): Update.
7195 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7197 (lang_init_options): Rename ffe_init_options.
7198 (lang_hooks): Update.
7199 (lang_decode_option): Remove.
7200 * java/lang.c (lang_init_options): Rename java_init_options.
7201 (lang_decode_option): Rename java_decode_option.
7202 (lang_hooks): Update.
7203 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7204 (lang_decode_option): Rename objc_decode_option.
7205 (lang_hooks): Update.
7207 2001-01-09 Nick Clifton <nickc@redhat.com>
7209 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7210 (d30v_return_addr_rtx): Delete.
7211 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7212 cfun->machine structure.
7213 (struct machine_function): Move to d30v.h
7214 (d30v_save_machine_status): Delete.
7215 (d30v_restore_machine_status): Delete.
7216 (d30v_init_machine_status): New Function.
7217 (d30v_mark_machine_status): New Function.
7218 (d30v_free_machine_status): New Function.
7219 (d30v_init_expanders): Use new functions.
7220 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7221 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7222 d30v_return_addr_rtx.
7224 * config/d30v/d30v.h (struct_machine): Move here.
7225 Add eh_epilogue_sp_ofs field.
7227 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7228 field in cfun->machine structure.
7230 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7232 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7233 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7234 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7236 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7238 * objc/lang-options.h: Remove bogus reference to
7241 2001-01-09 Kazu Hirata <kazu@hxi.com>
7243 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7246 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7248 * reload.c (find_reloads_address): Check for eliminable registers
7249 when substituting a constant expression for a pseudo.
7251 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7253 * c-common.c (enum format_type): Add format_type_error.
7254 (decode_format_type): New function.
7255 (decl_attributes): Use it.
7256 (format_kind_info): Adjust comment.
7258 2001-01-09 David O'Brien <obrien@BSDi.com>
7260 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7261 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7263 * config/i386/gnu.h: Don't include required platform specific .h files,
7264 tm.h will do it instead.
7265 * config/i386/i386elf.h: Likewise.
7266 * config/i386/linux.h: Likewise.
7267 * config/i386/moss.h: Likewise.
7268 * config/mips/gnu.h: Likewise.
7270 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7272 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7273 (rs6000-ibm-aix3.[01]*): Likewise.
7274 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7275 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7276 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7277 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7278 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7279 (powerpc-*-eabiaix*): Likewise.
7280 (powerpc-*-eabisim*): Likewise.
7281 (powerpc-*-elf*): Likewise.
7282 (powerpc-*-eabi*): Likewise.
7283 (powerpc-*-rtems*): Likewise.
7284 (powerpc-*-linux*libc1): Likewise.
7285 (powerpc-*-linux*): Likewise.
7286 (powerpc-wrs-vxworks*): Likewise.
7287 (powerpcle-wrs-vxworks*): Likewise.
7288 (powerpcle-*-sysv*): Likewise.
7289 (powerpcle-*-elf*): Likewise.
7290 (powerpcle-*-eabisim*): Likewise.
7291 (powerpcle-*-eabi*): Likewise.
7292 (powerpcle-*-solaris2*): Likewise.
7293 * config/rs6000/aix31.h: Delete includes.
7294 * config/rs6000/aix3newas.h: Likewise.
7295 * config/rs6000/aix41.h: Likewise.
7296 * config/rs6000/aix43.h: Likewise.
7297 * config/rs6000/beos.h: Likewise.
7298 * config/rs6000/rtems.h: Likewise.
7299 * config/rs6000/sysv4.h: Likewise.
7301 2001-01-09 Kazu Hirata <kazu@hxi.com>
7303 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7304 Change an argument mode of machine_mode to shift_mode of
7305 shift_mode. Remove an extra error check.
7306 (emit_a_shift): Adopt to the new calling prototype of
7308 (function_prologue): Fix code for a monitor
7309 function. Support H8/S.
7310 (function_epilogue): Do not output pop for a monitor function.
7312 2001-01-09 Nick Clifton <nickc@redhat.com>
7314 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7315 (setup_incoming_varargs): Use sysv_varargs_p field of the
7316 cfun->machine structure.
7317 (struct machine_function): Move to rs6000.h
7318 (rs6000_save_machine_status): Delete.
7319 (rs6000_restore_machine_status): Delete.
7320 (rs6000_init_machine_status): New Function.
7321 (rs6000_free_machine_status): New Function.
7322 (rs6000_init_expanders): Use new functions.
7324 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7326 (struct machine_function): Move here.
7328 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7329 sysv_varargs_p field of the cfun->machine structure.
7331 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7333 (rs6000_restore_machine_status): Remove prototype.
7335 2001-01-09 Richard Henderson <rth@redhat.com>
7337 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7338 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7339 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7340 (sched_analyze_2, sched_analyze_insn): Likewise.
7341 (sched_analyze, init_deps): Likewise.
7342 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7343 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7344 (compute_block_backward_dependences): Update propagate_deps call.
7346 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7348 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7350 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7352 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7353 (cpp_handle_option): Handle them.
7354 (cpp_post_options): Ensure one of -M or -MM is specified with
7355 any other -M? option.
7356 (init_dependency_output): Suppress output with -MG.
7358 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7361 * invoke.texi: Update.
7363 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7365 * sh.md (reload_outsf): Generate recognizable patterns for
7368 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7370 * c-lang.c (lang_hooks): Update.
7371 (lang_init): Rename c_init.
7372 (lang_finish): Remove.
7373 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7375 * toplev.h (lang_hooks): Add init () and finish ().
7376 * tree.h (lang_init, lang_finish): Remove.
7377 * cp/tree.h (lang_init, lang_finish): Remove.
7378 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7379 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7381 (lang_init, lang_finish): Remove.
7382 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7383 (lang_hooks): Update.
7384 * java/lang.c (lang_init): Rename java_init.
7385 (lang_finish): Remove.
7386 (lang_hooks): Update.
7387 * objc/objc-act.c (lang_init): Rename objc_init.
7388 (lang_finish): Remove.
7389 (lang_hoooks): Update.
7391 20001-01-09 Graham Stott <grahams@redhat.com>
7393 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7394 after `ptr` is initialised.
7396 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7398 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7399 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7400 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7401 stack adjusts, instead of r3.
7403 2001-01-09 Michael Hayes <mhayes@redhat.com>
7405 * flow.c (flow_loop_scan): Break out of ...
7406 (flow_loops_find) ... here.
7407 * basic-block.h (flow_loop_scan): New.
7408 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7409 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7411 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7413 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7415 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7416 realloc()ing macro_buffer.
7418 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7419 if it's wider than long and the target's long is wider than the
7422 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7424 Remove support for using UWIN as a host machine.
7425 * configure.in: Issue an error message.
7426 * configure: Regenerated.
7427 * config.gcc: Remove xm_* UWIN configury.
7428 * config/i386/xm-uwin.h: Remove.
7430 2001-01-08 Nick Clifton <nickc@redhat.com>
7432 * config/v850/v850.c (ra_rtx): Delete.
7433 (v850_save_machine_status): Delete.
7434 (v850_restore_machine_status): Delete.
7435 (v850_init_machine_status): New function.
7436 (v850_mark_machine_status): New function.
7437 (v850_free_machine_status): New function.
7438 (v850_return_addr): Use ra_rtx field in machine structure.
7439 (v850_init_expanders): Use new functions.
7441 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7442 * config/v850/v850.c: Change arguments to v850_output+* functions
7443 to take a const char *, to avoid compile time warning.
7444 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7445 (USER_LABEL_PREFIX): Redefine.
7447 2000-01-08 Jim Wilson <wilson@redhat.com>
7449 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7450 1 to unsigned HOST_WIDE_INT before left shift.
7452 2001-01-08 Nick Clifton <nickc@redhat.com>
7454 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7455 the machine structure has been allocated.
7456 (arm_free_machine_status): New function: Free the machine
7457 specific function structure.
7459 2001-01-08 Richard Henderson <rth@redhat.com>
7461 * jump.c (simplejump_p): Revert last change.
7463 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7465 * cppinit.c (init): Rename init_library.
7466 (cpp_create_reader): Update.
7467 * gcc.c (cpp_options): If -o given, use it as the target of
7470 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7472 * arm.c (arm_arch5e): New variable.
7473 (all_cores): XScale is a 5TE device.
7474 (arm_override_options): Set arm_arch5e.
7475 (arm_init_builtins): __builtin_prefetch is in arch5e.
7476 * arm.h (arm_arch5e): Declare it.
7478 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7480 * arm.md (define_constants): Add defines for UNSPEC and
7481 UNSPEC_VOLATILE insns. Update all users.
7482 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7483 * arm.c (multi_register_push, note_invalid_constants)
7484 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7485 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7486 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7488 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7490 * jump.c (jump_optimize_1): Use reversed_comparison_code
7491 instead of can_reverse_comparison_p.
7492 (jump_back_p): Likewise.
7493 (invert_exp_1): Likewise.
7494 (thread_jumps): Likewise.
7495 * simplify-rtx.c (simplify_unary_operation): Likewise.
7496 (simplify_ternary_operation): Likewise.
7497 * cse.c (find_comparison_args): Convert to use
7498 can_reverse_comparison_p.
7499 (record_jump_equiv): Likewise.
7501 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7503 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7504 (EPILOGUE_USES): Define.
7505 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7506 automatically stack the LR if it isn't live.
7508 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7510 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7513 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7515 * ggc-page.c (max_alignment): New structure.
7516 (MAX_ALIGNMENT): New macro.
7517 (init_ggc): Use it to round up the sizes in the
7518 extra_order_size_table.
7520 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7522 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7525 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7527 * builtins.def (BUILT_IN_FPRINTF): New entry.
7529 * c-common.c (c_expand_builtin_fprintf): New function.
7530 (init_function_format_info): Handle __builtin_fprintf.
7531 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7532 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7534 * c-decl.c (duplicate_decls): Adjust comment.
7536 * extend.texi (fprintf): Document new builtin.
7538 2001-01-07 Richard Henderson <rth@redhat.com>
7540 * jump.c (simplejump_p): Recognize any single_set jump
7543 2001-01-07 Richard Henderson <rth@redhat.com>
7545 * configure.in (slibdir): Accept an --with-slibdir option.
7546 Use "test" not "[" in configure. Default to $(libdir).
7548 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7550 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7551 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7552 (SHLIB_LINK): Create links for the soname.
7553 * config/mips/t-iris6: Likewise.
7554 * config/sparc/t-slibgcc: Likewise.
7555 * config/sparc/t-slibgcc-sld: Likewise.
7557 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7559 * config/i386/i386.c (constant_call_address_operand): Accept
7560 (const (plus (symbol_ref) (const_int))).
7561 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7562 constant_call_address_operand.
7564 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7566 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7567 and LONG_LONG_TYPE_SIZE > 32.
7569 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7571 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7572 the previous change.
7574 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7576 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7578 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7579 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7580 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7583 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7585 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7587 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7589 * c-lang.c (c_post_options): Call cpp_post_options.
7590 * objc/objc-act.c (objc_post_options): Similarly.
7591 * cppmain.c (main): Similarly.
7592 * fix-header.c (read_scan_file): Similarly.
7593 * cppinit.c (cpp_start_read): Move option consistency checks
7594 to cpp_post_options. Don't call init_dependency_output.
7595 If needed, add default target and main file dependency.
7596 (OPT_MD, OPT_MMD): Remove.
7598 (cpp_handle_option): Update for OPT_* changes.
7599 (cpp_post_options): New.
7600 (init_dependency_output): Command line -MF overrides environment
7601 variables. Don't set default target etc. Suppress output
7602 if dependencies are going to stdout.
7603 (print_help): Update.
7604 * cpplib.h (cpp_post_options): New.
7605 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7607 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7609 * jump.c (comparison_dominates_p): Support unordered compares.
7611 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7613 * simplify-rtx.c (simplify_relational_operation): Always simplify
7614 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7617 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7619 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7620 (nonzero_bits): Likewise.
7621 (simplify_comparison): Likewise.
7622 (num_sign_bit_copies): Likewise; return more sane value depending
7623 on STORE_FLAG_VALUE.
7624 (known_cond): Do not assume EQ to be always true for equivalent
7627 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7629 * cse.c (fold_rtx): Handle unordered comparisons.
7631 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7633 * rtlanal.c (set_of_1): New static function.
7634 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7635 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7636 reg_set_last_last_regno): Remove.
7637 (set_of): New global function.
7638 (set_of_data): New structure.
7639 (reg_set_p, reg_set_last): Revamp for set_of.
7640 * rtl.h (set_of): New.
7642 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7644 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7645 * extend.texi: Document _Exit builtin.
7647 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7649 * (initialize, initialize_builtins,
7650 initialize_dependency_output, initialize_standard_includes):
7651 Rename s/initialize/init. Update.
7652 (init_dependency_output): Move to after
7653 cpp_handle_options, the correct location temporally at least.
7654 (opt_comp): Move next to init (), its caller. Fix prototype.
7655 (init): Make "initialized" local scope.
7656 (cpp_create_reader): Always call init ().
7657 (cpp_start_read): Update.
7658 (output_deps): New function, broken out of cpp_finish.
7659 (cpp_finish): Break out output_deps.
7661 2001-01-07 Richard Henderson <rth@redhat.com>
7663 * collect2.c (COFF specific stuff): Revert 12-06 patch
7664 to prototype system functions.
7666 2001-01-07 Michael Hayes <mhayes@redhat.com>
7668 * hard-reg-set.h: Add multiple include guard.
7669 * basic-block.h (struct loop): Add `sink' field.
7670 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7671 (emit_iv_add_mult): Delete.
7672 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7673 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7674 (unroll_loop): Remove end_insert_before argument.
7675 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7676 (maybe_eliminate_biv_1): Likewise.
7677 (emit_iv_add_mult): Delete.
7678 (gen_add_mult, loop_regs_update): New.
7679 (loop_insn_emit_after, loop_insn_emit_before): New.
7680 (loop_insn_sink, loop_insn_sink_or_swim): New.
7681 (emit_iv_add_mult): Delete.
7682 (scan_loop): Set loop->sink.
7683 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7684 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7685 (maybe_eliminate_biv_1): Likewise.
7686 (maybe_eliminate_biv_1): Add basic block argument.
7687 * unroll.c (unroll_loop): Remove end_insert_before argument.
7688 (find_splittable_regs): Likewise.
7689 (find_splittable_regs): Use loop_insn_sink and its ilk.
7690 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7692 2001-01-07 Michael Hayes <mhayes@redhat.com>
7694 * loop.h (loop_insn_hoist): New prototype.
7695 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7696 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7697 (check_dbra_loop, load_mems): Likewise.
7698 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7699 (find_splittable_givs): Likewise.
7701 2001-01-07 Michael Hayes <mhayes@redhat.com>
7703 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7705 2001-01-07 Richard Henderson <rth@redhat.com>
7707 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7709 2001-01-07 Richard Henderson <rth@redhat.com>
7711 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7712 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7713 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7714 variant that handles a shared libgcc.
7715 (process_command): Always validate -{static,shared}-libgcc.
7716 (do_spec_1): New 'M' case.
7717 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7719 2001-01-07 Richard Henderson <rth@redhat.com>
7721 * Makefile.in (slibdir): New variable.
7722 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7723 (installdirs): Create slibdir.
7724 (install-libgcc, install-multilib): Defer to libgcc.mk.
7725 * configure.in (slibdir): Substitute.
7726 * mklibgcc.in (install): New target.
7728 * config/t-linux (SHLIB_LINK): Create links for the soname.
7729 (SHLIB_INSTALL): New.
7730 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7731 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7732 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7733 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7734 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7736 2001-01-07 Richard Henderson <rth@redhat.com>
7738 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7739 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7740 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7742 2001-01-07 Michael Hayes <mhayes@redhat.com>
7744 * loop.c (count_loop_regs_set): Delete.
7745 (load_mems_and_recount_loop_regs_set): Delete.
7746 (loop_regs_scan): Merge common code from count_loop_regs_set,
7747 scan_loop, and load_mems_and_recount_loop_regs_set.
7748 (scan_loop): Call load_mems directly and loop_regs_scan
7749 again if new registers created.
7751 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7753 * toplev.c (main): Call the front-end specific post_options
7754 hook if one is given.
7755 * toplev.h (struct_lang_hooks, lang_hooks): New.
7756 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7757 for the C front end.
7758 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7759 lang_hooks for the C++ front end.
7760 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7761 lang_hooks for the ObjC front end.
7762 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7763 * java/lang.c (lang_hooks): Hooks for the Java front end.
7765 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7767 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7768 for verbose DWARF[2] debugging.
7769 (cb_define, cb_undef): The new callbacks.
7770 * toplev.h (debug_define, debug_undef): Make const correct.
7771 * toplev.c (debug_define, debug_undef): Similarly. Do not
7772 perform the verbosity tests here anymore.
7774 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7776 * reload.c (subst_reloads): Take INSN argument. When
7777 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7778 * reload.h (subst_reloads): Adjust prototype.
7779 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7780 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7781 present in JUMP_INSNs and copy them to JUMP_LABEL.
7782 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7783 JUMP_INSNs and insns with REG_LABELs that are followed by
7784 JUMP_INSNs with the same REG_LABEL.
7785 * sched-rgn.c (is_cfg_nonregular): Likewise.
7786 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7788 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7790 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7792 2001-01-06 Richard Henderson <rth@redhat.com>
7794 * loop.c (scan_loop): Use xcalloc for the regs array.
7795 (load_mems_and_recount_loop_regs_set): Zero the new memory
7796 received from xrealloc.
7798 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7800 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7802 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7804 * integrate.c (copy_rtx_and_substitute): When copying
7805 an ignored return value, strip REG_FUNCTION_VALUE_P.
7807 2001-01-06 Michael Hayes <mhayes@redhat.com>
7809 * loop.c (debug_biv, debug_giv): New.
7810 (loop_biv_dump): Break out from ...
7811 (record_biv): ... here.
7812 (loop_giv_dump): Break out from ...
7813 (record_giv): ... here.
7814 (loop_bivs_check): Use print_simple_rtl.
7815 * unroll.c (loop_iterations): Use print_simple_rtl.
7817 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7819 * pa.md (return, return_internal): Modify patterns to prevent regrename
7820 mucking with the return pointer.
7822 2001-01-05 Richard Henderson <rth@redhat.com>
7824 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7826 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7828 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7829 version supplied by Matteo Frigo.
7831 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7833 * cpp.texi: Update for -MQ.
7834 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7835 (cpp_cleanup): Always free pfile->deps.
7836 (initialize_dependency_output): Don't create pfile->deps.
7837 (cpp_handle_option): Similarly.
7839 * gcc.c (cpp_options): Handle -MQ.
7840 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7841 * mkdeps.c (base_name): Remove.
7842 (deps_init): Don't allocate vector space until it's needed.
7843 (deps_free): Only free vectors if allocated.
7844 (deps_add_target, deps_add_dep): Update for initial allocation.
7845 (deps_add_default_target): Don't strip to the base_name.
7847 2001-01-05 DJ Delorie <dj@redhat.com>
7849 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7850 (INIT_EXPANDERS): Define.
7852 * config/v850/v850.c (struct machine_function): Define.
7853 (v850_save_machine_status): New function.
7854 (v850_restore_machine_status): New function.
7855 (v850_return_addr): New function.
7856 (v850_init_expanders): New function.
7858 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7859 and v850_init_expanders.
7861 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7863 * cpplib.h (struct cpp_reader): Add help_only field.
7864 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7865 (cpp_handle_option): Set pfile->help_only if we see -h,
7866 --help, -target-help, or --version. Print version string but
7867 do not set help_only if we see -v or -version. Make text
7868 printed by -v match that printed by (-)-version.
7870 * cppmain.c (main): Exit after option parsing if
7871 pfile->help_only is true.
7873 * toplev.c (independent_decode_option): Call print_version,
7874 then exit, if we see --version (but not -version).
7875 (print_version): Split lengthy message into two lines.
7877 2001-01-05 Nick Clifton <nickc@redhat.com>
7879 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7880 temporary string for initialisation before calling ggc_alloc_string.
7882 2001-01-06 Michael Hayes <mhayes@redhat.com>
7884 * rtl.h (print_simple_rtl): New.
7885 * print-rtl.c (print_simple_rtl): New.
7887 (print_rtx): Disable printing of flags and modes, etc.,
7888 if `flag_simple` nonzero.
7890 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7892 * function.c (fixup_var_refs): Use push_to_full_sequence where
7895 2001-01-05 Michael Meissner <meissner@redhat.com>
7897 * flags.h (flag_reorder_blocks): Add declaration.
7898 (flag_rename_block): Ditto.
7900 2001-01-05 DJ Delorie <dj@redhat.com>
7902 * function.c (reorder_blocks): Make sure the flags are all reset
7903 before using them to mark blocks, else a second invocation will
7904 corrupt the block chain.
7905 (reorder_blocks_0): New, resets the flags.
7907 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7909 * cse.c (find_comparison_args): Stop if the argument is known to
7912 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7914 * config/sh/sh.md (movdf): When splitting load into pair of
7915 registers, don't clobber the register used in the address too
7918 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7920 * varasm.c (mark_constant_pool): Improve initial comments.
7921 (mark_constants): Move marking of constants to mark_constant.
7922 (mark_constant): New function to recursively mark all constants
7923 referred to by a constant.
7925 2001-01-05 Catherine Moore <clm@redhat.com>
7927 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7929 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7931 * cp/lang-options.h: Bring comment in line with reality.
7932 * f/lang-options.h: Likewise.
7933 * java/lang-options.h: Likewise.
7934 * objc/lang-options.h: Likewise.
7935 * ch/lang-options.h: Likewise.
7936 * f/g77.texi: And update the manual.
7938 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7939 Denis Chertykov <denisc@overta.ru>
7941 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7942 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7943 * config/avr/avr.md (all peepholes that request a scratch register):
7944 Call it, FAIL the peephole if not safe (in interrupt functions).
7946 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7948 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7950 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7952 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7954 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7955 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7956 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7957 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7958 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7960 * extend.texi: Document these builtins.
7962 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7964 * c-common.c (lang_get_alias_set): Say we know nothing of
7965 VECTOR_TYPE aliasing.
7967 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7969 2001-01-05 Bruce Korb <bkorb@gnu.org>
7971 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7972 their x* equivalent versions for atexit-less systems
7973 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7974 systems (or any other system any more).
7976 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7978 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7979 output operands. Use arm_hard_register_operand for operand 4.
7980 (stmsi_postinc): Similarly.
7981 (ldmsi): Use arm_hard_register_operand for opernand 2.
7983 * arm.c (arm_hard_register_operand): New function.
7984 * arm-protos.h (arm_hard_register_operand): Prototype it.
7986 * arm.h (HARD_REGNO_RENAME_OK): Define.
7988 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7990 * simplify-rtx.c (cfc_args): add "unordered" field.
7991 (check_fold_consts): Set unordered field.
7992 (simplify_relational_operation): Simplify the unordered
7995 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7998 * emit-rtl.c (try_split): Fix code to mark labels.
7999 * jump.c (mark_jump_label): Make global.
8000 * rtl.h (mark_jump_label): Declare.
8002 * predict.c (estimate_probability): Handle unordred comparisons.
8004 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8006 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8007 * cppinit.c (initialize_dependency_output): Update.
8008 (cpp_finish): Output dummy targets for -MP.
8010 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8011 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8012 * gcc.c (cpp_options): Update to handle -MP.
8013 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8014 to quote only the default target.
8015 (deps_phony_targets): Insert a preceding newline. Rename from
8016 deps_dummy_targets for consistency.
8019 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8021 * calls.c (emit_library_call_value_1): Support
8022 INIT_CUMULATIVE_LIBCALL_ARGS.
8023 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8025 2001-01-04 Richard Henderson <rth@redhat.com>
8027 * c-decl.c (finish_struct): Detect flexible array members
8028 used in an inappropriate context.
8029 * c-typeck.c (really_start_incremental_init): Special case
8030 constructor_max_index for zero length arrays.
8031 (pop_init_level): Allow initialization of flexible array
8032 members. Deprecate initialization of zero length arrays.
8033 Don't issue missing initializer warning for flexible array
8034 members or zero length arrays.
8035 (process_init_element): Don't dereference null DECL_SIZE.
8036 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8037 Don't abort for empty constructors. Use size_binop
8038 (output_constructor): Add commentary regarding zero length
8039 array futures. Abort if we try to initialize an array of
8040 unspecified length with a non-empty constructor in the middle
8043 * extend.texi (Zero Length): Update and clarify documentation
8044 on static initialization.
8046 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8048 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8049 with more than 32767 words of local storage.
8051 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8053 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8054 for 'abs', 'labs', and 'fabs'.
8055 (c4x_expand_builtin): Likewise.
8056 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8058 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8060 * config/sh/sh.md (prget, prset): New insn types.
8061 (return delay slot): Dont' allow prset.
8062 (call, sfunc delay slot): Don't allow prget.
8063 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8064 for prset and prget.
8066 2001-01-05 Michael Hayes <mhayes@redhat.com>
8068 * loop.h (struct loop_reg): New.
8069 (struct loop_regs): Change to use array of `struct loop_reg'.
8070 * loop.c: Replace assortment of varrays with single regs array.
8071 (count_one_set): Delete may_not_move array argument
8072 and use regs array instead. All caller's changed.
8073 (count_loop_regs_set): Delete may_not_move and single_usage
8074 arguments and use regs array instead. All caller's changed.
8075 (find_single_use_in_loop): Replace usage array argument with pointer
8076 to regs structure. All caller's changed.
8077 (loop_optimize): Delete `moved_once' array.
8079 2001-01-05 Michael Hayes <mhayes@redhat.com>
8081 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8082 Use it instead of loop_info->has_call for scanning loop mems.
8083 (check_dbra_loop): Replace loop_info->has_call test with
8084 loop_info->has_nonconst_call.
8086 2000-01-04 Matthew Hiller <hiller@redhat.com>
8088 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8091 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8093 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8094 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8096 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8098 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8099 (flag_short_double, flag_short_wchar): Define.
8100 (c_common_nodes_and_builtins): Create many tree nodes shared
8101 between C and C++ here instead of in cp/decl.c and ...
8102 * c-decl.c (init_decl_processing): ... here.
8103 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8104 (flag_short_double, flag_short_wchar): Don't define.
8105 (record_builtin_type): New function.
8106 (build_void_list_node): New function.
8107 * c-common.h (flag_short_double, flag_short_wchar,
8108 record_builtin_type, build_void_list_node): Declare.
8110 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8112 * integrate.c (expand_inline_function): Don't put a virtual
8113 register into the reg map.
8115 * function.c (fixup_var_refs_1): If force_operand didn't put
8116 the address into the target, move it there.
8118 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8120 Special-case tree_decl/tree_list allocations.
8121 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8122 (OBJECT_SIZE): New macro.
8123 (NUM_EXTRA_ORDER): Likewise.
8124 (extra_order_size_table): New variable.
8125 (NUM_ORDERS): New macro.
8126 (objects_per_page_table): New variable.
8127 (object_size_table): New variable.
8128 (G.pages): Use NUM_ORDERS to bound the array.
8129 (G.page_tails): Likewise.
8130 (DIV_ROUND_UP): Remove.
8131 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8132 (alloc_page): Use OBJECT_SIZE.
8133 (size_lookup): Don't make it const.
8134 (ggc_alloc): Use OBJECT_SIZE.
8135 (ggc_set_mark): Likewise.
8136 (ggc_get_size): Likewise.
8137 (init_ggc): Set up the object_size_table, objects_per_page_table,
8138 and adjust size_lookup.
8139 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8140 (ggc_pop_context): Use NUM_ORDERS.
8141 (clear_marks): Likewise.
8142 (sweep_pages): Likewise.
8143 (poison_pages): Likewise.
8144 (ggc_print_statistics): Use OBJECT_SIZE.
8146 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8148 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8149 Only call array_size_for_constructor if last field and array type
8150 with no upper bound.
8152 2001-01-04 Philip Blundell <philb@gnu.org>
8154 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8155 from bit 31 downwards, if this requires no more insns.
8156 (count_insns_for_constant): New helper function for above.
8158 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8160 * gencodes.c (output_predicate_decls): Remove empty initializer.
8162 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8164 * tree.c (copy_node): Remove documentation about obstacks.
8165 (buidl1): Check that nobody tries to build 2-argument nodes this
8168 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8170 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8173 * gencodes.c (output_predicate_decls): Fill empty initializer
8176 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8178 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8179 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8181 (do_include): Handle missing headers like cpp0.
8182 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8183 paths with first include pathname. Don't strcat to uninitialized
8186 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8188 * regrename.c (regrename_optimize): Don't rename from frame pointer
8189 if frame_pointer_needed.
8190 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8191 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8192 (ia64_reorg): Use it instead of scheduling if ! optimize.
8193 (errata_emit_nops): Properly call asm_noperands.
8194 (ia64_sched_reorder): Finish cycle if we see an asm.
8195 (ia64_variable_issue): Clear scheduling state after asms.
8197 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8199 * cpp.texi: Update for -MT.
8200 * cppinit.c (initialize_dependency_output): Add a default
8201 target if none has been given already.
8202 (no_tgt, OPT_MT): New.
8203 (cpp_handle_option): Handle -MT. Update -M etc.
8204 * cpplib.h (struct cpp_options): Remove deps_target.
8205 * gcc.c (cpp_options): Handle -MT.
8206 * mkdeps.c (struct deps): Move from mkdeps.h.
8207 (deps_calc_target): Rename deps_add_default_target. Add a
8208 default target if none has been specified already.
8209 * mkdeps.h (struct deps): Move to mkdeps.c.
8210 (deps_calc_target): Rename deps_add_default_target.
8212 2000-01-03 Richard Henderson <rth@redhat.com>
8214 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8216 * c-typeck.c (push_init_level): Move checks for flexible array
8217 members and zero length arrays ...
8218 (pop_init_level): ... here. Silently discard empty initializations.
8220 * varasm.c (output_constructor): Update for sizeof change to
8223 * extend.texi (Zero Length): Clarify semantics.
8225 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8227 * configure.in (tm.h): Include isns-codes.h last.
8228 * configure: Rebuilt.
8230 2001-01-03 Richard Henderson <rth@redhat.com>
8232 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8233 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8235 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8237 * tradcpp.c (main): Make sure finclude() is called with a valid
8238 indepth value while handling -include.
8240 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8242 * gencodes.c (output_predicate_decls): New function.
8244 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8245 even if it is not the first time machmode.h is #included.
8246 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8247 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8248 * gcc.texi (Copyright): Added 2001.
8250 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8252 * c-common.c (c_common_lang_init): New function. Warn if format
8253 warning options which only have effects when used with -Wformat
8254 are used without -Wformat.
8255 * c-common.h (c_common_lang_init): Declare.
8256 * c-lang.c (lang_init): Call c_common_lang_init.
8257 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8259 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8261 * configure.in: Check for the mktemp command.
8262 * configure: Regenerate.
8263 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8264 $TEMP. Create temporary files with mktemp, if available at
8265 configure time; otherwise use set -C. Remove temporary files
8268 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8270 * configure.in: Require at least texinfo 4.0. Check for whether
8271 Pod::Man is sufficiently recent to regenerate GCC manpages.
8272 * configure: Regenerate.
8273 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8275 (GENERATED_MANPAGES): Define.
8276 (generated-manpages): New target. Depend on cpp.1 as well as
8278 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8279 configure to generated-manpages or empty) rather than on the
8280 manpages directly. Remove execute permission from installed
8281 gcov.1 as well as cpp.1.
8282 * cpp.1, gcov.1: Regenerate.
8284 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8286 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8287 tree_low_cst. Allow using cmpstrsi in more cases.
8289 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8291 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8294 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8296 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8297 * Makefile.in (HOST_CFLAGS): Mention build-make.
8299 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8301 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8304 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8306 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8309 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8312 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8313 reg_base_value and reg_known_value arrays.
8314 (init_alias_analysis): Add more cases to detect known values.
8315 * sched-deps.c (deps_may_trap_p): New function.
8316 (sched_analyze_2): Use it.
8318 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8320 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8321 don't discard an ASHIFTRT if we're shifting in a wider mode.
8323 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8325 * toplev.c (rest_of_compilation): Don't print basic block information
8326 when CFG isn't up to date.
8328 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8330 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8331 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8332 (UNALIGNED_SHORT_ASM_OP): Define.
8333 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8335 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8337 * fold-const.c (fold_convert): Fix typo.
8339 2001-01-02 Richard Henderson <rth@redhat.com>
8341 * c-common.h (ASM_INPUT_P): New.
8342 * c-parse.in (asm): Set it when needed.
8343 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8344 existance of an operand.
8346 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8348 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8349 (dwarf2out_frame_debug_expr): Likewise.
8350 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8352 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8354 * i386.c (ix86_split_to_parts): Return number of part required;
8356 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8358 (ix86_split_long_move): Use number of part returned
8359 by ix86_split_to_parts
8360 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8362 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8363 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8364 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8365 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8366 (ALIGN_MODE_128): Add TFmode.
8367 (IS_STACK_MODE): Likewise.
8368 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8369 (HARD_REGNO_OK): Support TFmodes.
8370 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8371 * i386.md (scheduler definitions): Use memory operand to determine
8372 fst/fld instructions; use mode attribute to determine real mode of
8374 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8375 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8377 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8379 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8381 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8383 * expr.c (store_constructor_field): Update ALIGN before calling
8386 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8388 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8391 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8393 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8396 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8398 * c-decl.c (start_function): Don't warn on third parameter to main.
8400 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8402 * tsystem.h: Define HAVE_DECL_GETOPT.
8404 2001-01-02 Philip Blundell <pb@futuretv.com>
8406 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8409 2001-01-02 Richard Henderson <rth@redhat.com>
8411 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8413 2001-01-02 Andreas Jaeger <aj@suse.de>
8415 * c-decl.c (c_decode_option): Remove support of
8418 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8419 (W_options): Add -Wmissing-noreturn here.
8421 * flow.c: Define lang_missing_noreturn_ok_p.
8422 (check_function_return_warnings): Use it.
8424 * c-common.h: Declare lang_missing_noreturn_ok_p.
8426 * c-lang.c (c_missing_noreturn_ok_p): New function.
8427 (lang_init): Set lang_missing_noreturn_ok_p.
8429 * invoke.texi (Warning Options): Document this.
8431 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8433 * extend.texi (C++ Extensions): New node for C++ attributes;
8434 describe init_priority and com_interface.
8435 * invoke.texi: Remove -finit-priority as it now has zero effect.
8436 * install.texi: Fix xref syntax.
8437 * md.texi: Likewise.
8439 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8441 * config.gcc (sparc64-wrs-vxworks*): New case.
8442 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8444 * config/sparc/sparc.c (sparc_override_options): Do support different
8445 pointer and architecture size.
8446 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8447 (POINTERS_EXTEND_UNSIGNED): Define.
8448 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8449 (FUNCTION_MODE): Define to be Pmode.
8450 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8452 * function.c (expand_function_end): Properly handle DECL_RESULT
8453 and copy when ptr_mode != Pmode.
8454 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8456 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8458 * c-common.c (c_common_nodes_and_builtins): Set prototype
8459 parameters for __builtin_fputs, __builtin_fputc and
8460 __builtin_fwrite. Don't declare plain fputc as a builtin.
8462 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8464 * loop.c (add_label_notes): Increment the label usage count when
8465 a note is added to an insn which refers to a CODE_LABEL.
8466 * gcse.c (add_label_notes): Likewise.
8468 2001-01-01 Andreas Jaeger <aj@suse.de>
8470 * loop.c (scan_loop): Use xmalloc to allocate movables.
8472 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8474 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8475 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8476 * reload1.c (REGISTER_MOVE_COST): Likewise.
8477 * regclass.c (REGISTER_MOVE_COST): Likewise.
8478 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8479 dimension. Adjust all users.
8480 (init_reg_sets_1): Iterate on all modes.
8481 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8482 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8483 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8484 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8485 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8486 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8487 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8488 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8489 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8490 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8491 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8492 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8493 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8494 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8495 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8496 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8497 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8498 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8499 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8500 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8501 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8502 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8503 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8504 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8505 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8506 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8507 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8509 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8511 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8512 arg VARIES_P. Call it with extra arg.
8513 (true_dependence): Likewise.
8514 * rtl.h (rtx_addr_can_trap_p): Declare.
8515 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8517 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8518 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8519 pic offset table register if it's zero. All callers changed.
8520 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8522 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8524 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8525 STRING_POOL_ADDRESS_P.
8527 * config/sparc/sparc.c (input_operand): Properly test for short op.
8529 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8530 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8531 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8532 * config/sparc/elf.h: No longer include sol2.h.
8533 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8534 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8536 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8538 2001-01-01 Michael Hayes <mhayes@redhat.com>
8540 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8541 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8542 (record_initial): Likewise.
8543 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8544 (remap_split_bivs): Likewise.
8546 2001-01-01 Michael Hayes <mhayes@redhat.com>
8548 * loop.c (loop_ivs_free): New function.
8549 (strength_reduce): Break out from...
8551 2001-01-01 Michael Hayes <mhayes@redhat.com>
8553 * loop.h (struct iv): New.
8554 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8555 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8556 'reg_biv_class' fields with 'regs' and 'n_regs'.
8557 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8558 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8559 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8561 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8563 * resource.c (mark_referenced_resources): Abort() before
8564 attempting to mark a pseudo register.
8565 (mark_set_resources): Likewise.
8567 2001-01-01 Michael Hayes <mhayes@redhat.com>
8569 * loop.h (REG_IV_CLASS): New accessor macro.
8570 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8571 * unroll.c (REG_IV_CLASS): Likewise.
8573 See ChangeLog.4 for earlier changes.