1 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
7 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
11 * real.h (ereal_atof, real_value_truncate, target_isnan,
12 target_isinf, target_negative, assemble_real, debug_real): Delete
15 * Makefile.in (ifcvt.o): Depend on toplev.h.
17 * c-semantics.c: Include expr.h.
19 * ifcvt.c: Include toplev.h.
21 * expr.h (rtx_equal_p): Delete prototype.
23 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
24 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
25 eliminate_constant_term, expand_complex_abs, find_single_use,
26 make_tree, init_expr_once, init_optabs, supports_one_only):
29 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
30 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
31 expand_assignment, store_expr, emit_line_note_after,
32 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
34 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
36 * sparc-protos.h: Delete redundant prototypes.
38 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
40 * reload.c (push_reload): Add condition missed in SUBREG byte
43 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
45 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
47 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
49 * i386.md (floatsisf_sse): Fix output template
50 * i386.c (ix86_expand_fp_movcc)
52 * reg-stack.c (emit_pop_insn): Handle complex modes.
53 (move_for_stack_reg): Emit proper move mode.
54 (subst_stack_regs_pat): Handle complex modes.
56 2001-04-11 Jakub Jelinek <jakub@redhat.com>
58 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
60 2001-04-10 Richard Henderson <rth@redhat.com>
62 * libgcc2.h (__terminate_func_ptr): Remove typedef.
63 (__pure_virtual, __terminate, __terminate_set_func,
64 __default_terminate, __throw_type_match, __empty,
65 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
66 __eh_rtime_match, __unwinding_cleanup, __rethrow,
67 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
68 Remove prototypes of deleted functions.
70 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
72 * c-typeck.c (convert_arguments): -Wtraditional now activates
73 -Wconversion warnings, except for changes in signed-ness.
74 Detect complex<->int & int<->complex conversions as well.
76 * invoke.texi (-Wtraditional): Document it.
78 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
80 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
81 * flow.c (set_block_for_new_insns): Remove needless cast and
82 properly check for unset block number.
84 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
86 * function.c (purge_single_hard_subreg_set): Only check REGNO if
87 the subreg was a hard register. Pseudos are left as subregs.
89 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
91 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
92 (LIB2ADD_ST): New macro, pass it to mklibgcc.
93 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
94 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
95 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
97 2001-04-09 Bo Thorsen <bo@suse.co.uk>
99 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
101 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
103 * output.h (set_block_num): Missed it earlier, remove deprecated
106 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
108 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
109 (load_killed_in_block_p): Change bb parameter from int to basic_block.
110 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
111 (handle_rd_kill_set): Change bb parameter from int to basic_block.
112 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
113 (expr_killed_p): Change bb parameter from int to basic_block, pass
114 basic_blocks instead of ints as parameters.
115 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
116 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
117 from int to basic_block, pass basic_blocks instead of ints as parms.
118 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
119 parameter from int to basic_block, pass basic_blocks instead of ints.
120 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
121 (insert_insn_end_bb): Change bb parameter from int to basic_block,
122 pass basic_blocks instead of ints.
123 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
124 basic_blocks instead of ints as parameters.
125 (pre_delete): Pass basic_blocks instead of ints as parameters.
126 (hoist_expr_reaches_here_p): Change bb parameter from int to
127 basic_block, pass basic_blocks instead of ints.
128 (hoist_code): Pass basic_blocks instead of ints as parameters.
129 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
130 Change bb parameter from int to basic_block.
131 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
132 (insert_insn_start_bb): Change bb parameter from int to basic_block,
133 pass basic_blocks instead of ints.
134 (insert_store): Pass basic_blocks instead of ints as parameters.
135 (replace_store_insn, delete_store): Change bb parameter from int to
136 basic_block, pass basic_blocks instead of ints.
137 (store_motion): Pass basic_blocks instead of ints as parameters.
139 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
141 * basic-block.h (set_new_block_for_insns): New Prototype.
142 (set_block_num): Delete prototype.
143 * flow.c (set_block_num): Remove obsolete function.
144 (set_block_for_new_insns): Set BB for single or multiple insns.
145 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
146 (process_insn_end_bb): Use set_block_for_new_insns or
147 set_block_for_insn instead of set_block_num.
148 (pre_insert_copy_insn): Use set_block_for_new_insns.
149 (update_ld_motion_stores): Use set_block_for_new_insns.
150 (insert_insn_start_bb): Use set_block_for_new_insns.
151 (replace_store_insn): Use set_block_for_new_insns.
153 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
154 Jeff Law <law@redhat.com>
156 * alias.c (get_addr): Externalize.
157 (canon_true_dependence): New function. Behaves like true_dependance
158 except it already assumes a MEM has been canonicalized.
159 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
160 * gcse.c (struct ls_expr): Add load/store expressions structure.
161 (modify_mem_list, canon_modify_mem_list): New variable.
162 (gcse_main): Initialize & finalize alias analysis. Use enhanced
163 load motion and store motion if requested.
164 (alloc_gcse_mem): Allocate space for modify_mem_list array.
165 (free_gcse_mem): Free the modify_mem_list array.
166 (oprs_unchanged_p): Use load_killed_in_block_p.
167 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
168 (mems_conflict_for_gcse_p): New function. Don't kill loads
169 with stores to themselves if its in the load/store expression list.
170 (load_killed_in_block_p): New function.
171 (canon_list_insert): New Function.
172 (record_last_mem_set_info): Keep a list of all instructions which
173 can modify memory for each basic block.
174 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
175 (oprs_not_set_p): Use load_killed_in_block_p.
176 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
177 (expr_killed_p): Use load_killed_in_block_p.
178 (compute_transp): Do not pessimize memory references.
179 (pre_edge_insert): Update stores for a load motion expression.
180 (one_pre_gcse_pass): Check loads/stores for extra load motion.
181 (ldst_entry): Find or create a ldst_expr structure.
182 (free_ldst_entry): Free memory for an individual item.
183 (free_ldst_mems): Free entire load/store expression list.
184 (print_ldst_list): Print debug info.
185 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
186 (enumerate_ldsts): Assign integer values to each entry in list.
187 (first_ls_expr): First expression in the list.
188 (next_ls_expr): Next expression in the list.
189 (simple_mem): Check if expression qualifies for ld/st expression list.
190 (invalidate_any_buried_refs): Remove from expression list if its
191 used in some other way we dont understand.
192 (compute_ld_motion_mems): Find all potential enhanced load motion
194 (trim_ld_motion_mems): Remove any expressions which are invalid.
195 (update_ld_motion_stores): Copy store values to registers for loads
196 which have been moved.
197 (regvec, st_antloc, num_store): New global statics.
198 (reg_set_info): Marks registers as set.
199 (store_ops_ok): Verfies registers expressions are valid in a block.
200 (find_moveable_store): Look for moveable stores in a pattern.
201 (compute_store_table): Find stores in a function worth moving, maybe.
202 (load_kills_store): Check dependance of a load and store.
203 (find_loads): Find any loads in a pattern.
204 (store_killed_in_insn): Check if a store is killed in an insn.
205 (store_killed_after): Check is store killed after an insn in a block.
206 (store_killed_before): Check is store killed before an insn in a block.
207 (build_store_vectors): Generate the antic and avail vectors.
208 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
209 (insert_store): Add a store to an edge.
210 (replace_store_insn): Replace a store with a SET insn.
211 (delete_store): Delete a store insn.
212 (free_store_memory): Free memory.
213 (store_motion): Perform store motion.
214 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
215 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
216 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
217 (f_options): Add gcse-lm and gcse-sm.
219 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
221 * i386.c (expand_fp_movcc): Fix condition reversal code.
223 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
224 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
225 (CLASS_MAX_NREGS): Use it.
227 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
228 handle properly complex values.
229 (CLASS_MAX_NREGS): Likewise; update comment.
231 2001-04-05 Bernd Schmidt <bernds@redhat.com>
233 * ia64.c (ia64_flag_schedule_insns2): New variable.
234 (ia64_override_options): Initialize it. Clear
235 flag_schedule_insns_after_reload.
236 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
238 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
240 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
241 Do not require source to match destination anymore;
242 Add abort to the nontrivial cases that should be handled by split.
243 (fix_trunc?fdi): Add SSE case for x86_64.
244 (floatdi?f): Likewise.
245 (floatdi?f_sse): New.
246 (fix_trunc?fdi_sse): New.
248 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
250 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
251 (DEBUG_ARANGES_END_LABEL): Ditto.
252 (dwarfout_init): Generate length and version fields at the start
253 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
254 after the length field.
255 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
256 the .debug_aranges info.
258 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
260 * i386.c (call, call_value): Make sure that resulting call_insn
261 does have proper second operand.
263 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
265 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
266 function. Remove include of sys/cygwin.h.
268 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
270 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
271 (CPP_SPEC): Always search */include/w32api for header files.
272 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
273 (LINK_SPEC): Add "cyg" to the library search prefixes.
275 2001-04-08 Philip Blundell <philb@gnu.org>
277 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
279 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
281 * cpperror.c (print_location): Don't special case <stdin>.
282 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
283 WARNING, but we don't check if we're in system headers.
284 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
285 * cpplib.c (do_warning): Warn in system headers.
287 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
289 * mbchar.c: Include config.h first.
291 2001-04-07 Zack Weinberg <zackw@stanford.edu>
293 * config.gcc: Set default for xmake_file at top, not bottom.
294 Change places that set xmake_file to "none" to set to the
295 empty string instead, or remove them entirely if there is no
296 default xmake_file for this cpu_type. Remove references to
299 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
300 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
301 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
302 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
303 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
304 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
305 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
306 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
307 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
308 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
311 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
312 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
313 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
314 config/mips/x-sysv, config/rs6000/x-aix31:
315 Just set CLIB to -lld or -lmld, as appropriate.
317 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
318 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
319 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
320 config/mips/x-iris, config/pa/x-pa:
321 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
322 OTHER_FIXINCLUDES_DIRS.
324 * config/i386/x-djgpp: Don't set LN or LN_S.
325 * config/m88k/x-dolph: Don't define __m88k__.
326 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
327 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
328 * config/i860/fx2800.h: No need to #undef SVR4.
330 38 x-host fragments remain, 2 x-cpu.
332 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
334 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
336 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
338 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
340 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
342 * configure.in: Add check for lstat.
343 * configure, config.in: Regenerate.
344 * cppinit.c (append_include_chain): Make empty path ".".
345 * cpplib.c (do_line): Don't simplify #line paths.
346 * cppfiles.c (remove_component_p): New function.
347 (find_or_create_entry): Acknowledge stat () errors during
349 (handle_missing_header): Don't simplify paths.
350 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
351 the empty path untouched. Don't leave a trailing '/'.
353 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
355 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
356 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
358 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
360 * cppfiles.c (open_file): Fail directories silently, but
361 with an errno of NOENT set.
362 (read_include_file): Move the common exit code to the sole
363 caller. Return an int indicating success or failure. Let
364 open_file handle directories.
365 (stack_include_file): If read_include_file fails,
366 push a "null" buffer.
368 2001-04-05 DJ Delorie <dj@redhat.com>
370 * function.h (virtuals_instantiated): Declare.
371 * function.c: (virtuals_instantiated): Make global.
372 * calls.c (emit_library_call_value_1): Use
373 virtual_outgoing_args_rtx only if it hasn't been instantiated.
374 Otherwise, use the stack pointer directly.
376 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
378 * i386.c (x86_initialize_trampoline): New global function.
379 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
380 (INITIALIZE_TRAMPOLINE): Move offline.
381 * i386-protos.h (x86_initialize_trampoline): Declare.
383 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
385 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
386 (lea_0): Rename to lea_1.
387 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
388 (lea_general_?): Allow SImodes on TARGET_64BIT
389 (lea_general_?_zext): New patterns.
390 (call_1, call_1_rex64): Fix.
392 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
394 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
396 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
398 * i386.c (function_arg): Return constm1_rtx for last argument.
399 (ix86_expand_prologue): Update gen_call calls.
400 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
401 * i386.md (call_pop): Likewise.
402 (call): Second operand is VOIDmode.
403 (call_0): Likewise; Support 64bits.
404 (call_exp): New expander.
405 (call_1): Get to the sync.
406 (call_1_exp): New pattern.
407 (call_value): Support 64bit.
408 (call_value_exp): New pattern.
409 (untyped_call): Update gen_call call.
410 (call_value_pop): Disable for 64bit.
411 (call_value_0_rex64): New pattern.
412 (call_value_1_rex64): Likewise.
414 2001-04-05 Bo Thorsen <bo@suse.de>
416 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
418 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
420 * i386.md (*andsi_1+3): If used after reload, make sure the operand
421 satisfies ANY_QI_REG_P.
423 2001-04-05 Bernd Schmidt <bernds@redhat.com>
425 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
428 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
431 2001-04-04 Zack Weinberg <zackw@stanford.edu>
433 * config.gcc: Remove default for xm_file. Clean up local
434 machine type handling. Remove settings of xm_file to
435 something that doesn't exist. In the big switch, set xm_file,
436 don't append to it (the value before the big switch is always
437 null). Don't force build_xm_file or host_xm_file to have a value.
438 * configure.in: Remove default for xm_file. Do not special
439 case $cpu/xm-$cpu.h not existing.
440 * configure: Regenerate.
442 2001-04-04 Diego Novillo <dnovillo@redhat.com>
444 * simplify-rtx.c (simplify_binary_operation): Check for overflow
445 when folding integer division and modulo operations.
447 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
449 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
450 instead of DWARF2_ADDR_SIZE for EH addresses.
451 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
454 2001-04-04 Richard Henderson <rth@redhat.com>
456 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
457 * config/ia64/t-glibc (LIB2ADDEH): Disable.
458 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
460 2001-04-04 Richard Henderson <rth@redhat.com>
462 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
463 * configure: Rebuilt.
465 2001-04-04 Jakub Jelinek <jakub@redhat.com>
467 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
468 push insns to delete to it instead of deleting them.
469 (delete_null_pointer_checks): Delete insns from delete_list after
470 all delete_null_pointer_checks_1 passes are done.
472 2001-04-04 Richard Henderson <rth@redhat.com>
474 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
475 * configure: Rebuilt.
477 2001-04-04 Zack Weinberg <zackw@stanford.edu>
479 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
480 * config/romp/xm-romp.h: Delete.
482 2001-04-04 Bernd Schmidt <bernds@redhat.com>
484 * sched-deps.c (sched_analyze_insn): Partially revert March 27
487 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
489 * emit-rtl.c (mark_label_nuses) Increment the label uses for
490 all labels present in rtx.
491 (try_split) Call new function for all split insns.
493 2001-04-04 Jakub Jelinek <jakub@redhat.com>
495 * recog.c (validate_replace_rtx_1): Instead of aborting just make
496 sure the change won't be validated.
498 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
500 * rtl.h (set_noop_p): Declare.
501 * flow.c (set_noop_p): Move from here ...
502 * rtlanal.c (set_noop_p): ... to here and enhance.
503 * cse.c (delete_trivially_dead_insns): Use it.
504 * gcse.c (hash_scan_set): Likewise.
505 * jump.c (delete_noop_moves): Likewise.
506 * recog.c (split_all_insns): Likewise.
508 2001-04-04 Alan Modra <alan@linuxcare.com.au>
510 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
511 stack pointer via a LO_SUM. Ditto for setting a temp register
512 used to save to the stack. Set cfa_temp when setting fp, and
513 allow matches to cfa_temp in addition to cfa_store when saving
514 regs. Handle POST_INC and LO_SUM register stores. Document the
515 changes and errors in rule 12 doco.
517 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
518 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
519 (load_reg): Move closer to epilogue code.
520 (DO_FRAME_NOTES): Define to control the following..
521 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
522 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
524 (hppa_expand_epilogue): Likewise.
526 2001-04-03 Richard Henderson <rth@redhat.com>
528 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
529 * configure: Rebuild.
531 2001-04-03 Richard Henderson <rth@redhat.com>
533 * rtl.h (LCT_THROW): New.
534 * calls.c (emit_library_call_value_1): Handle it.
535 * except.c (connect_post_landing_pads): Use it.
537 2001-04-03 Zack Weinberg <zackw@stanford.edu>
539 * gansidecl.h: Delete file.
540 * configure.in: Change all refs to gansidecl.h to use
541 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
543 * configure: Regenerate.
545 * Makefile.in (intl.o): Don't depend on gansidecl.h.
546 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
547 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
548 Don't include gansidecl.h.
549 * intl.c, main.c, version.c, fixinc/fixlib.h,
550 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
553 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
555 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
558 2001-04-03 Zack Weinberg <zackw@stanford.edu>
560 * config/i386/xm-beos.h, config/i386/xm-isc.h,
561 config/i386/xm-next.h, config/i386/xm-sco.h,
562 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
563 config/m88k/xm-m88k.h: Delete.
565 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
566 * config/romp/xm-romp.h: Don't define bcopy.
567 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
568 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
570 * config.gcc: Remove references to deleted files.
572 14 xm-host.h remain, 1 xm-cpu.h.
574 2001-04-03 Jakub Jelinek <jakub@redhat.com>
575 David S. Miller <davem@pierdol.cobaltmicro.com>
576 Andrew MacLeod <amacleod@redhat.com>
578 Use byte offsets in SUBREGs instead of words.
580 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
581 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
582 to pass new argument.
583 (add_stored_regs): Use subreg_regno_offset function.
584 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
586 (precompute_arguments): Use gen_lowpart_SUBREG.
587 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
588 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
589 (simplify_set): Rework to use SUBREG_BYTE.
590 (expand_field_assignment): Use SUBREG_BYTE.
591 (make_extraction): Use SUBREG_BYTE.
592 (if_then_else_cond): Use SUBREG_BYTE.
593 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
594 (gen_lowpart_for_combine): Compute full byte offset.
595 * cse.c (mention_regs): Use SUBREG_BYTE.
596 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
597 (canon_hash): Use SUBREG_BYTE.
598 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
599 (gen_lowpart_if_possible): Formatting.
600 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
602 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
603 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
604 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
605 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
606 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
607 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
608 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
609 certain invariants about SUBREGs the compiler creates.
610 (gen_lowpart_SUBREG): New function.
611 (subreg_hard_regno): New function to get the final register number.
612 (gen_lowpart_common): Use SUBREG_BYTE.
613 (gen_imagpart): Spacing nits.
614 (subreg_realpart_p): Use SUBREG_BYTE.
615 (gen_highpart): Use SUBREG_BYTE.
616 (subreg_lowpart_p): Always compute endian corrected goal offset,
617 even at the byte level, then compare against that.
618 (constant_subword): New function, pulled out all constant cases
619 from operand_subword and changed second argument name to offset.
620 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
621 and call constant_subword to do the work. Return const0_rtx if
622 looking for a word outside of OP.
623 (operand_subword_force): Change second arg name to offset.
624 * expmed.c (store_bit_field): Use SUBREG_BYTE.
625 (store_split_bit_field): Use SUBREG_BYTE.
626 (extract_bit_field): Use SUBREG_BYTE.
627 (extract_split_bit_field): Use SUBREG_BYTE.
628 (expand_shift): Use SUBREG_BYTE.
629 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
630 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
631 * flow.c (set_noop_p): Use SUBREG_BYTE.
632 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
633 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
634 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
636 (optimize_bit_field): Use SUBREG_BYTE.
637 (purge_addressof_1): Use SUBREG_BYTE.
638 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
639 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
640 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
641 * gengenrtl.c (special_rtx): Add SUBREG.
642 * global.c (mark_reg_store): Use SUBREG_BYTE.
643 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
644 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
645 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
646 final byte offset is congruent to subreg's mode size.
647 (subst_constants): Use SUBREG_BYTE.
648 (mark_stores): Use subreg_regno_offset function.
649 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
650 function and SUBREG_BYTE.
651 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
652 (reg_is_born): Use subreg_hard_regno.
653 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
654 endian correction code. Don't combine subregs unless resulting
655 offset aligns with type. Fix subreg constant extraction for DImode.
656 Simplify SUBREG of VOIDmode CONST_DOUBLE.
657 (general_operand): Remove dead mode_altering_drug code.
658 (indirect_operand): Use SUBREG_BYTE.
659 (constrain_operands): Use subreg_regno_offset function.
660 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
661 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
662 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
663 * regs.h (REG_SIZE): Allow target to override.
664 (REGMODE_NATURAL_SIZE): New macro which target can override.
665 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
666 on the entire subreg rtx.
667 (push_reload): Use SUBREG_BYTE in comments and code.
668 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
669 for hard registers inside subregs.
670 (operands_match_p): Use subreg_regno_offset.
671 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
672 containing hard regs.
673 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
674 corrections when fixing up MEM subregs.
675 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
676 subreg_regno_offset where appropriate.
677 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
678 byte endian corrections when fixing up MEM subregs.
679 (subst_reloads): When combining two subregs, make sure final
680 offset is congruent to subreg's mode size.
681 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
682 (refers_to_regno_for_reload_p): Use subreg_regno.
683 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
684 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
685 correction code for memory subreg fixups.
686 (forget_old_reload_1): Use subreg_regno_offset.
687 (choose_reload_regs): Use subreg_regno.
688 (emit_input_reload_insns): Use SUBREG_BYTE.
689 (reload_combine_note_store): Use subreg_regno_offset.
690 (move2add_note_store): Use subreg_regno_offset.
691 * resource.c (update_live_status, mark_referenced_resources): Use
692 subreg_regno function.
693 (mark_set_resources): Use subreg_regno function.
694 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
695 (subreg_regno_offset, subreg_regno): Define prototypes.
696 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
697 (gen_lowpart_SUBREG): Add prototype.
698 * rtl.texi (subreg): Update to reflect new byte offset representation.
699 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
700 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
701 (reg_overlap_mentioned_p): Use subreg_regno.
702 (replace_regs); Make sure final offset of combined subreg is
703 congruent to size of subreg's mode.
704 (subreg_regno_offset): New function.
705 (subreg_regno): New function.
706 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
707 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
708 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
709 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
710 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
711 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
712 (a29k_get_reloaded_address): Use SUBREG_BYTE.
713 (print_operand): Use SUBREG_BYTE.
714 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
715 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
716 (arm_reload_out_hi): Use SUBREG_BYTE.
717 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
718 instead of SUBREG_WORD.
719 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
720 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
721 SUBREG creation to use byte offset.
722 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
723 inverted load insns): Fix explicit rtl subregs to use byte
725 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
726 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
727 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
728 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
730 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
731 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
732 offsets, also make sure it is congruent to SUBREG's mode size.
733 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
734 unnamed ldob insn): Generate SUBREGs with byte offset.
735 (zero_extendqihi2): SUBREG's are byte offsets.
736 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
737 (m68hc11_gen_highpart): Use SUBREG_BYTE.
738 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
739 zero-extendqisi2): Generate SUBREGs with byte offset.
740 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
741 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
742 subregs in rtl to use byte offsets.
743 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
744 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
745 (mips_move_2words): Use subreg_regno_offset.
746 (mips_secondary_reload_class): Use subreg_regno_offset.
747 * config/mips/mips.md (DImode plus, minus, move, and logical op
748 splits): Fixup explicit subregs in rtl to use byte offsets.
749 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
750 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
751 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
752 rtl to use byte offsets.
753 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
754 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
755 subregs to use byte offsets.
756 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
757 Fixup explicit subregs in rtl to use byte offsets.
758 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
759 and remove byte endian correction code.
760 * config/sh/sh.c (output_movedouble): Use subreg_regno.
761 (gen_ashift_hi): Use SUBREG_BYTE.
762 (regs_used): Use subreg_regno_offset.
763 (machine_dependent_reorg): Use subreg_regno_offset.
764 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
765 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
766 (movdf_i4): Subregs are byte offsets now.
767 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
768 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
769 (REGMODE_NATURAL_SIZE): Override.
770 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
771 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
773 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
774 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
775 extendqidi2): Generate SUBREGs with byte offsets, also make sure
776 it is congruent to SUBREG's mode size.
777 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
779 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
780 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
781 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
782 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
783 * config/v850/v850.c (print_operand, output_move_double): Use
784 subreg_regno function.
786 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
788 * configure.in (target_subdir): Use target_alias, not target.
789 * configure: Rebuilt.
791 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
793 * config/sh/crti.asm: Fix typos in comments.
795 2001-04-03 Alan Modra <alan@linuxcare.com.au>
797 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
798 TARGET_FAST_INDIRECT_CALLS.
799 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
801 (return_addr_rtx): Short circuit export stub matching when
802 TARGET_NO_SPACE_REGS.
803 (output_millicode_call): For out of range calls, make -fPIC
804 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
805 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
806 * pa.md: Modify length attr calculation of all millicode insns to
809 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
811 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
812 Require at least 2.11 in the version test. Specifically check
813 for and reject GAS version 2.10.90.
814 * configure: regenerate.
816 2001-04-03 Alan Modra <alan@linuxcare.com.au>
818 * pa.c (override_options): Remove PIC profiling warning.
819 (hp_profile_labelno): Delete.
820 (hp_profile_label_rtx): Delete.
821 (hp_profile_label_name): Delete.
822 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
823 (output_function_prologue): Remove profiling code and all tests on
824 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
825 merge_sp_adjust_with_store can work for PIC and profiling.
826 (hppa_expand_epilogue): Remove profile_flag test.
827 (hppa_can_use_return_insn_p): Likewise.
828 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
829 cater for PROFILE_HOOK.
830 (hppa_profile_hook): New function.
831 * pa.h (FUNCTION_PROFILER): Now does nothing.
832 (PROFILE_HOOK): Define.
833 (hppa_profile_hook): Declare.
834 (PROFILE_BEFORE_PROLOGUE): Delete.
835 (ASM_OUTPUT_REG_PUSH): Delete.
836 (ASM_OUTPUT_REG_POP): Delete.
837 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
838 r24. Accept function name operand, and use this and a locally
839 generated label to calculate pc-rel offset to func start.
841 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
843 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
844 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
847 2001-04-03 Alan Modra <alan@linuxcare.com.au>
849 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
850 LO_SUM cases to where they belong.
852 2001-04-02 Richard Henderson <rth@redhat.com>
854 * except.h (lang_eh_type_covers): Mark extern.
855 (lang_eh_runtime_type): Likewise.
857 2001-04-02 Zack Weinberg <zackw@stanford.edu>
859 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
860 gengenrtl.c: Wrap generated header in multiple-include guard.
861 Improve error checking.
863 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
865 * configure.in: Don't check for putenv.
866 * configure: Regenerate.
867 * gcc.c (putenv): Don't define.
868 * vax/xm-vms.h: Handle putenv.
870 2001-04-02 Jakub Jelinek <jakub@redhat.com>
872 * ifcvt.c (noce_emit_move_insn): New.
873 (noce_try_store_flag, noce_try_store_flag_constants,
874 noce_try_store_flag_inc, noce_try_store_flag_mask,
875 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
876 noce_try_abs): Use it.
877 (noce_process_if_block): Likewise.
878 For STRICT_LOW_PART, take mode from its SUBREG.
880 2001-04-02 Jakub Jelinek <jakub@redhat.com>
882 * fold-const.c (fold): Before optimizing unsigned comparison with
883 0x7fffffffU, make sure arg0 is integral type.
885 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
887 * c-tree.texi: Document representation of wide strings.
889 2001-04-01 Richard Henderson <rth@redhat.com>
891 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
893 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
895 * i386.md: remove obsoleted comments.
896 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
897 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
900 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
902 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
904 2001-03-30 Bernd Schmidt <bernds@redhat.com>
906 * loop.c (load_mems): When generating a load from a pseudo, update
909 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
911 * i386.c (ix86_split_long_move): Use change address to compensate
912 stack pointer change in push instruction.
914 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
916 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
917 instead of rtx_equal_p; fix the output template.
919 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
921 * i386.c (ix86_expand_setcc): Support 64bit.
922 (ix86_expand_int_movcc): Likewise.
923 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
926 * i386.md (allocate_stack_worker): Turn to expander.
927 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
929 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
931 2001-03-29 Richard Henderson <rth@redhat.com>
933 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
935 2001-03-28 Matthew Hiller <hiller@redhat.com>
937 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
940 * MAINTAINERS: Added self.
942 2001-03-28 Richard Henderson <rth@redhat.com>
944 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
945 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
947 2001-03-28 Jim Wilson <wilson@redhat.com>
949 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
952 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
954 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
956 * tradcif.y (yyerror): Likewise. Add format specifier in call to
959 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
961 2001-03-28 DJ Delorie <dj@redhat.com>
963 * Makefile.in (stage1_build): Revert CFLAGS patch.
965 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
967 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
968 when multiplier or multiplicand is zero.
970 2001-03-28 Bernd Schmidt <bernds@redhat.com>
972 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
974 * config/ia64/ia64.c (update_set_flags): New function, broken out of
976 (set_src_needs_barrier): Likewise.
977 (rtx_needs_barrier): For SET case, use these two functions. Rework
978 PARALLEL case to handle all inputs before all outputs.
979 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
980 saw a label and no stop bit since then.
981 (maybe_rotate, process_epilogue): Add prototypes.
983 2001-03-28 Richard Henderson <rth@redhat.com>
985 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
986 not TARGET_TOC for special toc restore handling.
987 * config/rs6000/rs6000.md (eh_return): Likewise.
989 2001-03-28 Richard Henderson <rth@redhat.com>
991 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
992 current_function_calls_eh_return.
993 (output_function_epilogue): Handle eh_return.
994 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
995 (EH_RETURN_DATA_REGNO): New.
996 (EH_RETURN_STACKADJ_RTX): New.
997 (EH_RETURN_HANDLER_RTX): New.
998 * config/sparc/sparc.md (call/short branch peepholes): Check
999 can_throw_internal instead of in_same_eh_region.
1001 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1002 for eh_return data registers.
1003 (rs6000_emit_prologue): Save eh_return data registers.
1004 (rs6000_emit_epilogue): Force inline restores if eh_return.
1005 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1006 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1007 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1008 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1009 the target uses one.
1010 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1011 (return_eh_si, return_eh_di): Remove.
1012 (eh_return): New, from corpse of eh_epilogue.
1013 (eh_set_lr_si, eh_set_lr_di): New.
1015 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1016 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1017 True for pic register if current_function_calls_eh_return.
1018 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1019 Handle eh_return requirements.
1020 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1021 (EH_RETURN_STACKADJ_RTX): New.
1022 * config/i386/i386.md (exception_receiver): Remove.
1023 (eh_return, eh_return_1): New.
1024 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1026 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1027 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1028 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1029 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1030 (EH_RETURN_DATA_REGNO): New.
1031 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1032 * config/alpha/alpha.md (eh_epilogue): Remove.
1033 (exception_receiver): Use $26 for ldgp input.
1034 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1036 2001-03-28 Richard Henderson <rth@redhat.com>
1038 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1039 * except.h: Likewise.
1041 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1042 (LIB2ADDEHDEP): New.
1043 (LIB2FUNCS_EH): Remove.
1044 (LIB2ADD): Remove LIB2ADDEH.
1045 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1046 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1047 (crt{begin,end}[S].o): Likewise.
1048 (except.o): Update includes.
1049 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1050 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1052 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1053 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1054 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1055 * builtins.c (expand_builtin): Implement it.
1056 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1057 * c-common.c (c_common_nodes_and_builtins): Declare it.
1058 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1059 * calls.c (libfunc_nothrow): Remove.
1060 (emit_library_call_value_1): Don't call it.
1061 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1062 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1063 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1064 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1065 (current_funcdef_number): Globalize.
1066 (output_call_frame_info): Emit frame data if an lsda is needed.
1067 Generate augmentation for personality routine. Don't play with
1069 (dwarf2out_begin_prologue): Record funcdef_number.
1070 * dwarf2out.h (current_funcdef_number): Declare.
1071 * expr.c (expand_expr): Update for except.h name changes.
1072 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1073 * expr.h (LTI_throw, LTI_rethrow): Remove.
1074 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1075 (LTI_eh_rtime_match): Remove.
1076 (LTI_unwind_resume, LTI_eh_personality): Add.
1077 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1078 * final.c (final): Don't call check_exception_handler_labels,
1079 init_insn_eh_region, or free_insn_eh_region.
1080 (final_scan_insn): Always emit debug labels for
1081 NOTE_INSN_EH_REGION notes.
1082 * flags.h (flag_new_exceptions): Remove.
1083 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1084 (record_active_eh_regions): Remove.
1085 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1086 Use can_throw_internal.
1087 (find_basic_blocks_1): Likewise.
1088 (move_stray_eh_region_notes): Remove.
1089 (find_label_refs): No eh_return_stub_label.
1090 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1091 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1093 (delete_unreachable_blocks): Don't track deleted handlers.
1094 (flow_delete_block): Use maybe_remove_eh_handler.
1095 (delete_eh_regions): Remove.
1096 (merge_blocks): Don't check for eh region match.
1097 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1098 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1099 (init_propagate_block_info): Disable dead frame store optimization
1100 when current_function_calls_eh_return.
1101 (dump_bb): Don't print eh_beg, eh_end.
1102 * function.c (fixup_var_refs): No catch_clauses.
1103 (expand_function_end): Likewise. Call expand_eh_return before
1104 the return register use. Call sjlj_emit_function_exit_after.
1105 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1106 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1107 * ifcvt.c (dead_or_predicable): Remove eh region check.
1108 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1109 Don't check for EH vs parameters.
1110 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1111 (expand_inline_function): Call duplicate_eh_regions.
1112 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1113 (copy_insn_notes): Remap REG_EH_REGION notes.
1114 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1115 * integrate.h (struct inline_remap): Add local_return_label.
1116 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1117 check_exception_handler_labels, nor exception_optimize.
1118 (find_cross_jump): No EH region check.
1119 * optabs.c (init_optabs): Update for changed eh libfuncs.
1120 * rtl.def (RESX): New.
1121 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1122 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1123 checks. Update for except.h name changes.
1124 (expand_cleanups): Likewise.
1125 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1126 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1127 (compile_file): Call init_eh before init_optabs. Don't
1128 output_exception_table here.
1129 (rest_of_compilation): Call convert_from_eh_region_ranges,
1130 convert_to_eh_region_ranges, output_function_exception_table.
1131 Don't emit_eh_context.
1132 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1133 (EXC_PTR_EXPR): New.
1135 * md.texi (eh_epilogue): Remove.
1136 (eh_return): Document.
1137 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1138 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1140 * eh-common.h: Remove file.
1141 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1142 * libgcc2.c (L_eh): Remove.
1144 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1145 * unwind-dw2-fde.h: New file.
1146 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1147 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1148 * libgcc-std.ver: Update for eh symbols.
1150 2001-03-27 Richard Henderson <rth@redhat.com>
1152 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1153 reduce false positives.
1154 (regmove_optimize): Disable if flag_non_call_exceptions.
1156 * stmt.c (expand_return): Remove always true predicate.
1157 (expand_decl_cleanup_no_eh): Remove dead code.
1159 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1160 barrier code. Add a scheduling barrier if a non-call insn
1161 can throw internally.
1163 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1164 Auto-inc addresses trap only if their base register does.
1166 * except.c (can_throw_internal): Rename from can_throw.
1167 * except.h, resource.c: Update references.
1169 * integrate.c (copy_insn_list): Use returnjump_p.
1170 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1172 * function.h (struct function): Move all boolean valued fields
1173 to single bit fields at the end of the struct.
1175 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1177 Rename asynchronous_exceptions to flag_non_call_exceptions.
1179 * gthr-single.h (UNUSED): New. Distinguish between how C
1180 and C++ mark unused function arguments. Use throughout.
1182 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1183 value to target configuration header.
1184 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1185 * config.in, configure: Rebuild.
1186 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1187 configuration and target defines.
1188 (exceptions_via_longjmp): Remove.
1189 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1190 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1192 * except.h (flag_non_call_exceptions): Move ...
1193 * flags.h: ... here.
1195 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1196 exceptions, put the note on the trapping instruction.
1198 * flags.h (flag_new_exceptions): Remove.
1199 * toplev.c: Don't set it.
1200 * final.c: Don't check it.
1201 * except.c: Provide stub definition.
1203 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1204 (calculate_global_regs_live): Kill call-clobbered registers
1205 across exception edges.
1206 * reg-stack.c (convert_regs_1): Kill the entire target stack
1207 across non-call exception edges.
1209 * flow.c (cleanup_cfg): Take no argument.
1210 * output.h, sibcall.c, toplev.c: Update all calls.
1212 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1214 * configure.in: Don't check for bcopy.
1215 * configure, config.in: Regenerate.
1217 * system.h: Don't define or prototype bcopy, instead poison it.
1219 2001-03-27 Richard Henderson <rth@redhat.com>
1221 * function.c (expand_function_start): Set DECL_REGISTER on
1222 a pseudo used for DECL_RESULT.
1224 * rtl.h (LCT_NORETURN): New.
1225 * calls.c (emit_library_call_value_1): Handle it.
1227 2001-03-27 Stan Shebs <shebs@apple.com>
1229 * objc/objc-act.c (objc_init): Use dump_base_name.
1230 (gen_declaration): Clear the buffer arg.
1231 (gen_declaration_1): New function, body of gen_declaration.
1232 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1233 (gen_method_decl): Ditto, plus always clear buffer arg.
1234 (error_with_ivar): Simplify.
1235 (warn_with_method): Ditto.
1236 (build_message_expr): Don't clear buffers.
1237 (dump_interface): Ditto.
1238 (objc_debug): Ditto.
1239 (build_keyword_selector): Clear the buffer by only zeroing
1241 (objc_implementation_context): Declare.
1242 (start_class): Warn about missing @end.
1243 (finish_objc): Ditto.
1245 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1247 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1249 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1251 * Makefile.in (SYSTEM_H): Define.
1252 Depend on $(SYSTEM_H), not system.h.
1254 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1256 2001-03-27 Jim Wilson <wilson@redhat.com>
1258 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1260 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1261 (process_epilogue): New static function.
1262 (process_set): Call process_epilogue instead of emitting .restore
1264 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1266 * flow.c (struct reg_cond_life_info): New fields orig_condition
1268 (init_propagate_block_info): Set new fields.
1269 (mark_regno_cond_dead): Set and use new fields.
1270 (flush_reg_cond_reg_1): Likewise.
1271 (and_reg_cond, case AND): Check for redundant AND conditions.
1272 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1275 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1277 * cppmacro.c (stringify_arg): Null terminate strings.
1279 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1281 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1282 inclusion style. xm-m68hc11.h no longer exists.
1283 * config/m68hc11/xm-m68hc11.h: Delete file.
1284 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1286 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1287 Don't define GCC_VERSION, N_, or PARAMS; don't include
1288 gansidecl.h or stdio.h. Define inhibit_libc here.
1289 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1290 Delete code conditioned on #if GCC_VERSION == 2095.
1292 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1293 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1294 Delete code conditioned on #if GCC_VERSION == 2095.
1296 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1298 * system.h: Include symcat.h.
1299 (STRINGIFY): Don't define.
1301 * configure.in: Adjust comment.
1303 * builtins.c: Use STRINGX, not STRINGIFY.
1304 * gencheck.c: Likewise.
1305 * gengenrtl.c: Likewise.
1306 * protoize.c: Likewise.
1308 * cpplex.c: Don't include symcat.h.
1309 * cpplib.c: Likewise.
1311 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1313 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1315 * c-typeck.c (digest_init): Fold init expression.
1317 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1319 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1321 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1323 * except.c (eh_regs): Save results of build_pointer_type to a temp
1324 as FUNCTION_VALUE macro may evaluate its args multiple times.
1326 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1328 * c-common.h (DECL_NUM_STMTS): New macro.
1329 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1331 (pushdecl): Likewise.
1332 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1333 * integrate.c (expand_inline_function): Don't check
1335 * print-tree.c (print_node): Don't print it.
1336 * toplev.c (rest_of_compilation): Don't try to inline when
1337 flag_no_inline is on.
1338 * tree.h (DECL_FRAME_SIZE): Remove.
1339 (tree_decl): Adjust accordingly.
1341 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1343 * combine.c (try_combine): Use memcpy, not bcopy.
1345 * genattrtab.c (expand_units): Likewise.
1347 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1349 * i386.md (push mem DI peep2): New.
1350 (mov 0, mov -1 peep2): Handle 64bit.
1351 (lea to arithmetics peep2): Handle 64bit leas.
1352 (rsp arithmetics to push/pop peep2s): New.
1354 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1356 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1358 * i386.c (struct machine_function): Add save_varrargs_registers.
1359 (ix86_save_varrargs_registers): New macro.
1360 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1361 (ix86_expand_prologue): Likewise.
1362 (ix86_emit_epilogue_esp_adjustement): Likewise.
1363 (ix86_expand_epilogue): Likewise.
1364 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1365 (pro_epilogue_adjust_stack_1): New insn.
1366 (pro_epilogue_adjust_stack_rex64): Likewise.
1367 * i386.h (MASK_NO_RED_ZONE): New constant.
1368 (TARGET_RED_ZONE): New macro.
1369 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1370 (RED_ZONE_SIZE): New constant.
1371 (RED_ZONE_RESERVE): New constant.
1373 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1375 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1377 2001-03-25 Kazu Hirata <kazu@hxi.com>
1379 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1382 (umodhi3): Likewise.
1385 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1387 * mkconfig.sh (DEFINES): Handle entries with '='.
1389 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1390 Set xm_defines to MACRO=value instead.
1392 * i370/xm-mvs.h: Delete.
1394 * ns32k/xm-pc532-min.h: Likewise.
1396 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1398 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1400 use ix86_expand_binary_operator
1401 (?sh??i_?): Disable for 64bit.
1402 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1403 * i386.c (shiftdi_operand): New predicate.
1405 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1406 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1407 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1408 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1409 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1410 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1411 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1412 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1413 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1414 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1415 (rotldi3, rotrdi3): New expanders.
1417 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1419 * i386.md (movstrsi): Move offline.
1421 (strmovdi_rex64): New.
1422 (strmov?i): Accept 64bit.
1423 (strmov?i_rex64): New.
1424 (strmov?i_rex_1): New.
1425 (strmov?i_1): Disable for 64bit.
1426 (rep_mov?i_rex64): New.
1427 (rep_mov?i): Disable for 64bit.
1428 (clrstrsi): Move offline.
1429 (strset?i_rex64): New.
1430 (strset?i: Accept 64bit.
1431 (rep_stos?i): Disable for 64bit.
1432 (rep_stos?i_rex64): New.
1433 (strset?i_rex_1): New.
1434 (strset?i_1): Disable for 64bit.
1435 (cmpstrsi): Accept 64bit.
1436 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1437 (cmpstrqi_nz_rex_1): New.
1438 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1439 (strlensi): Move offline.
1441 (strlenqi_1): Disable for 64bit; fix constraints.
1442 (strlenqi_rex_1): New.
1443 * i386.c (ix86_adjust_counter): New static function.
1444 (ix86_zero_extend_to_Pmode): Likewise.
1445 (ix86_expand_aligntest): Likweise.
1446 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1447 (ix86_expand_movstr): New global function.
1448 (ix86_expand_clrstr): New global function.
1449 (ix86_expand_strlen): New global function.
1450 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1451 ix86_expand_strlen): Declare.
1452 (ix86_expand_strlensi_unroll_1): Delete.
1454 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1456 * i386.md (cmpdi): Fix operand predicates.
1457 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1458 cmpdi_1_insn_rex64): New patterns.
1459 (adddi3): Turn to expander.
1460 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1461 (addsi3_carry_zext): New pattern.
1462 (adddi_?_rex64): New patterns and splitters.
1463 (addsi_?_zext): New patterns.
1464 (subsi3_carry_zext): New pattern.
1465 (subdi_?_rex64): New patterns and splitters.
1466 (iorsi_?_zext): New patterns.
1467 (iordi_?_rex64): New patterns and splitters.
1468 (iorsi_?_zext): New patterns.
1469 (iorsi_?_zext_imm): New patterns.
1470 (xorsi_?_zext): New patterns.
1471 (xordi_?_rex64): New patterns and splitters.
1472 (xorsi_?_zext): New patterns.
1473 (negdi*): New patterns.
1474 (one_cmpldi*): Likewise.
1475 (one_cmplsi*_zext, negsi*_zext): Likewise.
1476 (testqi_ext_3_rex64): New pattern.
1478 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1480 * i386-protos.h (ix86_split_long_move): Return void.
1481 * i386.c (ix86_split_to_parts): Handle 64bit target.
1482 (ix86_split_long_move): Likewise.
1483 * i386.md (all calls to ix86_split_long_move): Update.
1485 2001-03-23 Richard Henderson <rth@redhat.com>
1487 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1488 to avoid shadowing arguments.
1490 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1492 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1493 to variable names where DECL_NAME is different from
1494 DECL_ASSEMBLER_NAME.
1496 2001-03-23 Jim Wilson <wilson@redhat.com>
1498 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1499 (assemble_alias): Call make_decl_rtl.
1501 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1503 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1505 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1507 * extend.texi: Document the "java_interface" attribute.
1509 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1511 * mkconfig.sh: Use a subshell with redirected stdout,
1512 instead of closing stdout and confusing commands that run
1513 afterward. Throw away output of cmp.
1515 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1517 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1519 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1521 * i386.md (zero_extendsidi2_32): Break out from ...
1522 (zero_extendsidi2): ... here ; turn to expander.
1523 (zero_extendsidi2_rex64): New.
1524 (extendsidi2_32): Break out from ...
1525 (extendsidi2): ... here ; turn to expander.
1526 (extendsidi2_rex64): New.
1527 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1528 (trunc?f?f splitters): Add 64bit versions.
1530 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1532 * i386.md (pushsi, pushsi2_prologue): Disable.
1533 (pushsi2_rex64): New.
1534 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1535 (movqi_ext_1): Disable for 64bit.
1536 (movqi_ext_1_rex64): New.
1537 (pushdi2_rex64): New pattern, peep2s and splitter.
1538 (pushdi2_prologue_rex64): New pattern.
1539 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1541 (movdi splitters): Disable for 64bit.
1542 (movdi_1_rex64): New pattern, peep2s and splitters.
1543 (swapdi): New pattern.
1544 (pushsf): Disable for 64bit.
1545 (pushsf_rex64): New pattern and splitter.
1546 (pushdf_nointeger): Disable for 64bit.
1547 (pushdf_integer): Handle the 64bit case.
1548 (pushtf): Likewise; update splitters.
1550 2001-03-22 Richard Henderson <rth@redhat.com>
1552 * mkconfig.sh: Include insn-flags.h.
1553 * Makefile.in (CONFIG_H): Include insn-flags.h.
1554 (lots of objects): Remove insn-codes.h and insn-flags.h.
1556 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1557 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1558 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1559 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1560 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1561 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1562 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1563 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1564 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1565 v850/v850.c, vax/vax.c:
1566 Don't include insn-flags.h.
1568 * diagnostic.c, expr.h, reload.c, toplev.c:
1569 Don't include insn-codes.h.
1571 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1572 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1573 c4x/c4x.c, i960/i960.c, mips/mips.c:
1574 Don't include insn-codes.h or insn-flags.h.
1576 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1577 or insn-flags.h in the generated code.
1578 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1579 (main): Forward declare struct rtx_def.
1581 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1583 * invoke.texi (-ffast-math): Remove duplicate line about
1586 * gcc.texi: Remove more obsolete documentation of bugs and
1587 installation problems.
1589 2001-03-21 Kazu Hirata <kazu@hxi.com>
1591 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1594 2001-03-20 Jason Merrill <jason@redhat.com>
1596 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1598 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1599 * varasm.c (CHKR_PREFIX): Likewise.
1601 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1603 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1604 is part of a multi-SET insn.
1606 * cse.c (find_comparison_args): Remove previous change.
1607 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1610 * config/i386/i386.md (conditional_trap): Remove warning.
1612 * recog.c (push_operand): Fix error in last change that caused
1613 undefined symbol on many targets.
1615 * sdbout.c: #include ggc.h.
1616 (sdbout_init): Move to end of file.
1617 Call ggc_add_tree_root for anonymous_types.
1618 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1619 (sdbout_one_type): Use DECL_NAME for field name.
1620 * Makefile.in (sdbout.o): Show includes ggc.h.
1622 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1624 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1625 (override_options): Use properlimits for preferred_stack_boundary.
1626 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1628 (ext_register_operand): Accept DImode.
1629 (load_pic_register): Abort on 64bit.
1630 (gen_push): Use Pmode instead of SImode.
1631 (ix86_save_reg): Pic reg is never used on 64bit.
1632 (ix86_expand_prologue): Likewise.
1633 (ix86_emit_save_regs): Use Pmode instead of SImode.
1634 (legitimate_address_p): Check displacement for 64bit.
1635 (print_operand): Avoid outputting of (%rip) on 64bit.
1636 (print_operand_address): Output (%rip) where possible.
1637 (split_di): Abort on 64bit registers.
1638 (ix86_expand_branch): DImode comparison is simple for x86_64.
1639 (memory_address_length): Recognize memory addresses formed using
1641 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1643 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1645 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1647 * recog.c (push_operand): Recognize new format of push instructions.
1649 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1651 * i386.md (pushqi1): New.
1652 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1653 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1654 x86_64_immediate_operand, x86_64_immediate_operand,
1655 x86_64_zext_immediate_operand): Declare.
1656 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1657 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1658 x86_64_immediate_operand, x86_64_immediate_operand,
1659 x86_64_zext_immediate_operand): define.
1660 * i386.h (PREDICATE_CODES): Add new predicates.
1662 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1664 * i386.md (pophi1, popqi1, pushqi1): Remove.
1666 * expr.c (emit_single_push_insn): New function.
1667 (move_by_pieces): Accept NULL as destination for push instructions.
1668 (gen_push_operand): Kill.
1669 (emit_push_insn): Pass NULL when pushing; avoid updating of
1670 stack_pointer_delta.
1671 * expr.h (gen_push_operand): Kill.
1673 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1675 * rtl.texi (COMPARE): Clarify documentation and reference section
1678 2001-03-20 Stan Shebs <shebs@apple.com>
1680 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1681 (get_object_reference): Ditto.
1682 (error_with_ivar): Use error_with_file_and_line.
1683 (warn_with_method): Use warning_with_file_and_line.
1685 2001-03-20 Tom Tromey <tromey@redhat.com>
1687 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1689 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1691 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1692 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1694 2001-03-20 DJ Delorie <dj@redhat.com>
1696 * Makefile.in (install-libgcc): Pass complete list of variables.
1697 (install-multilib): Ditto.
1699 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1701 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1702 drectve_section, switch_to_section.
1704 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1705 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1706 i386_pe_mark_dllimport.
1708 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1710 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1711 functions i386_pe_*.
1713 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1714 i386_pe_* functions with char * arguments.
1716 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1718 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1720 (movsi_ie): Introduce fpul store.
1722 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1724 * Makefile.in (OBJS): Remove hashtab.o.
1726 2001-03-19 Stan Shebs <shebs@apple.com>
1728 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1729 * c-lang.c (maybe_objc_method_name): Ditto.
1730 * c-tree.h (maybe_objc_method_name): Remove decl.
1732 2001-03-19 Tom Tromey <tromey@redhat.com>
1734 * gcc.c (init_gcc_specs): Fix comment.
1736 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1738 Compute DECL_ASSEMBLER_NAME lazily.
1739 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1740 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1741 (SET_DECL_ASSEMBLER_NAME): Likewise.
1742 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1743 (set_decl_assembler_name): Declare.
1744 (lang_set_decl_assembler_name): Likewise.
1745 * tree.c (lang_set_decl_assembler_name): New variab.e
1746 (set_decl_assembler_name): New function.
1747 (init_obstacks): Set lang_set_decl_assembler_name.
1748 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1749 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1750 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1751 where it's not necessary.
1752 (builtin_function): Likewise.
1753 (finish_decl): Likewise.
1754 * dbxout.c (dbxout_type_methods): Likewise.
1755 * ggc-common.c (ggc_mark_trees): Likewise.
1756 * profile.c (output_func_start_profiler): Likewise.
1757 * varasm.c (make_decl_rtl): Likewise.
1759 * cse.c (find_comparison_args): Update documentation. Fix
1760 mishandling of COMPARE operations.
1762 * tree.def (ABS_EXPR): Add documentation.
1763 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1765 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1767 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1769 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1771 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1772 Remove ia32 linux PIC kludge and move it...
1773 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1775 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1777 * i386.md (absdf2 expander): Fix 64bit case.
1779 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1781 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1783 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1785 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1787 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1789 * README.X11: Remove obsolete file.
1791 2001-03-18 Anthony Green <green@redhat.com>
1793 * config/pj/pj.h: Remove some trailing commas.
1794 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1796 2001-03-18 Richard Henderson <rth@redhat.com>
1798 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1799 * calls.c: ... here.
1800 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1801 defaults for them here.
1803 2001-03-17 Anthony Green <green@redhat.com>
1805 * config/pj/lib1funcs.S: Fix broken comment.
1806 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1809 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1811 * gcc.texi: Remove obsolete information relating to build and
1812 installation problems with enquire or the Pyramid C compiler.
1814 2001-03-17 Richard Henderson <rth@redhat.com>
1816 * dwarf2out.c (queue_reg_save): New.
1817 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
1818 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
1820 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
1821 (cfa, cfa_store, cfa_temp): Make static.
1822 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
1824 2001-03-17 Richard Henderson <rth@redhat.com>
1826 * integrate.h (struct inline_remap): Add local_return_label.
1827 * integrate.c (expand_inline_function): Initialize it and emit
1828 it after copy_insn_notes.
1829 (copy_insn_list): Don't store local_return_label here.
1830 (copy_insn_notes): New function split out from copy_insn_list.
1832 2001-03-17 Richard Henderson <rth@redhat.com>
1834 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1835 is generating .debug_line.
1836 (dwarf2out_init): Add main_input_filename to the file table first.
1837 * configure.in (as_dwarf2_debug_line): Test with file number 1
1838 instead of file number 0.
1840 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1842 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
1843 (gen_rtx_combine): Deleted; all references changed as appropriate.
1844 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
1846 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
1848 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1850 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1853 2001-03-16 Jim Wilson <wilson@redhat.com>
1855 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1856 then set it to LOC_REG (79) instead of aborting.
1858 2001-03-16 Phil Edwards <pme@sources.redhat.com>
1860 * gccbug.in: Remove high priority.
1862 2001-03-16 Richard Henerson <rth@redhat.com>
1864 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
1865 output with a space instead of deleting it.
1866 * configure: Regenerate.
1868 2001-03-16 Zack Weinberg <zackw@stanford.edu>
1870 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
1871 handles the gory details of converting an object file into
1872 something that's safe to grep.
1873 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
1874 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
1875 newlines at either end of the string we're looking for.
1876 Make 'checking ...' message less stilted.
1877 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
1878 ARM in-memory layout and its hypothetical converse. Don't
1879 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
1880 HOST_WORDS_BIG_ENDIAN.
1882 * configure.in: Adjust for renamed macro. Move
1883 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1884 * configure, config.in: Regenerate.
1886 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1888 * fixinc/Makefile.in: Set SHELL.
1890 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1892 * fixinc/fixincl.c (fix_with_system): Quote file names before
1893 passing them to shell.
1895 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1897 * Makefile.in: Use fix-header$(build_exeext) instead
1900 2001-03-16 Richard Henderson <rth@redhat.com>
1902 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1903 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1904 (size_of_line_prolog): Remove.
1905 (output_line_info): Compute prologue size via label difference.
1906 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1908 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1909 assembler error when redefining file numbers.
1910 * config.in, configure: Rebuild.
1912 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1913 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1914 (dw2_asm_output_delta_uleb128): Likewise.
1915 (dw2_asm_output_delta_sleb128): Similarly.
1916 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1918 2001-03-16 Michael Meissner <meissner@redhat.com>
1920 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1922 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1924 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1926 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1927 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1928 being unsigned in ISO C and signed in traditional.
1929 (expand_prologue): Ditto.
1930 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1932 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1934 (divsi3,divdi3): Ditto.
1935 (modsi3,moddi3): Ditto.
1936 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1937 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1938 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1941 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1943 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1944 SSE based conditional moves on LTGT/UNEQ conditions;
1945 Canonicalize EQ to NE.
1946 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1947 (sse_mov?fcc_ne): New.
1949 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1951 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1953 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1954 register may be dead.
1956 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1958 * Makefile.in (hash.o): Depend on CONFIG_H.
1960 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1962 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1964 2001-03-15 Richard Henderson <rth@redhat.com>
1966 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1967 (ASM_OUTPUT_DWARF_PCREL): New.
1968 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1970 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1972 * cppfiles.c (stack_include_file): Use MAX of sysp.
1974 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1976 * config.gcc (ia64*-*-hpux*): New case.
1977 * config/ia64/hpux.h: New file for HP-UX support.
1978 * config/ia64/t-hpux: New file for HP-UX support.
1980 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1982 * fixinc/inclhack.def (irix_stdio_va_list): New.
1983 * fixinc/fixincl.x: Rebuilt.
1985 2001-03-15 Richard Henderson <rth@redhat.com>
1987 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1988 if provided by the target.
1989 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1990 (dw2_asm_output_addr): New.
1991 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1992 * dwarf2out.c (output_cfi): Use it for program addresses.
1993 (output_call_frame_info, output_die): Likewise.
1994 (output_aranges, output_line_info): Likewise.
1996 2001-03-15 Bruce Korb <bkorb@gnu.org>
1998 * gcc.c(main): make more rigorous
1999 * collect2.c(main): guard against ignoring SIGCHLD
2000 * protoize.c(main): ditto
2001 * gcc/fixinc/fixincl.c(initialize): ditto
2003 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2005 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2006 (sdbout_parms): Likewise.
2008 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2010 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2011 "widen" a destination that is already wider than a word. Also do
2012 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2014 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2016 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2018 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2020 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2022 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2024 * i960.h (i960_maxbitalignment,
2025 i960_last_maxbitalignment): Declare.
2026 * i960.c (i960_maxbitalignment,
2027 i960_last_maxbitalignment): Make global.
2028 (process_pragma): Delete.
2029 (i960_pr_align, i960_pr_noalign): Move from here ...
2030 * i960-c.c: ... to this new file.
2031 * t-960bare (i960-c.o): New rule.
2032 * t-vxworks960 (i960-c.o): Likewise.
2033 * config.gcc (i960-*-*): Define c_target_objs and
2036 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2038 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2039 without adding in rtx code and mode.
2041 * alias.c (init_alias_analysis): Don't use any rtx whose value
2042 varies as a known value.
2043 Delete a superfluous test.
2045 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2047 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2048 scheduling a stop bit.
2049 (ia64_emit_nops): Correctly handle ASMs.
2051 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2053 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2055 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2057 * cpp.texi: Update documentation for -include and -imacros.
2058 * cppfiles.c (struct include_file): Remove "defined" memeber.
2059 (find_or_create_entry): Make a copy of the file name, and
2061 (open_file): Update to ensure we use the simplified filename.
2062 (stack_include_file): Don't set search_from.
2063 (cpp_included): Don't simplify the path name here.
2064 (find_include_file): New prototype. Call search_from to
2065 get the start of the "" include chain. Don't simplify the
2067 (_cpp_execute_include): New prototype. Move diagnostics to
2068 do_include_common. Update.
2069 (_cpp_pop_file_buffer): Don't set defined.
2070 (search_from): New prototype. Use the preprocessor's cwd
2071 for files included from the command line.
2072 (read_name_map): Don't simplify the pathname here.
2073 * cpphash.h (enum include_type): New.
2074 (struct buffer): Delete search from. New search_cached.
2075 (_cpp_execute_include): Update prototype.
2076 * cppinit.c (do_includes): Use _cpp_execute_include.
2077 * cpplib.c (do_include_common): New function.
2078 (do_include, do_include_next, do_import): Use it.
2080 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2082 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2083 contents of the RTL, to determine the name of the object.
2085 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2087 * tree.h (DECL_RTL): Allocate RTL lazily.
2088 (SET_DECL_RTL): New macro.
2089 (DECL_RTL_SET_P): Likewise.
2090 (COPY_DECL_RTL): Likewise.
2091 (DECL_RTL_IF_SET): Likewise.
2092 * varasm.c (make_decl_rtl): Add assertions about the kind of
2093 declaration we are processing.
2094 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2095 (start_decl): Likewise.
2096 (finish_decl): Likewise.
2097 * c-semantics.c (emit_local_var): Likewise.
2098 * calls.c (expand_call): Likewise.
2099 * dbxout.c (dbxout_symbol): Likewise.
2100 * emit-rtl.c (unshare_all_rtl): Likewise.
2101 (unshare_all_decls): Likewise.
2102 (reset_used_decls): Likewise.
2103 * expr.c (store_constructor): Likewise.
2104 (safe_from_p): Likewise.
2105 (expand_expr): Likewise.
2106 * function.c (put_var_into_stack): Likewise.
2107 (instantiate_decls_1): Likewise.
2108 (assign_parms): Likewise.
2109 (expand_function_start): Likewise.
2110 (expand_function_end): Likewise.
2111 * ggc-common.c (gcc_mark_trees): Likewise.
2112 * integrate.c (function_cannot_inline_p): Likewise.
2113 (copy_decl_for_inlining): Likewise.
2114 (expand_inline_function): Likewise.
2115 (integrate_parm_decls): Likewise.
2116 (integrate_decl_tree): Likewise.
2117 * print-tree.c (print_node): Likewise.
2118 * reg-stack.c (stack_result): Likewise.
2119 * stmt.c (label_rtx): Likewise.
2120 (expand_return): Likewise.
2121 (expand_decl): Likewise.
2122 (expand_decl_cleanup): Likewise.
2123 (expand_anon_union_decl): Likewise.
2124 * toplev.c (check_global_declarations): Likewise.
2125 (rest_of_decl_compilation): Likewise.
2126 * tree.c (simple_cst_equal): Likewise.
2127 * objc/objc-act.c (generate_static_references): Likewise.
2129 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2131 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2132 gcc_AC_C_FLOAT_FORMAT): New macros.
2133 * configure.in: Add AC_PROG_CPP after CC tests;
2134 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2135 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2136 * configure, config.in: Regenerate.
2138 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2139 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2140 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2141 config/i370/xm-linux.h, config/i370/xm-oe.h,
2142 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2143 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2144 config/pa/xm-linux.h, config/pa/xm-pa.h,
2145 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2146 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2147 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2148 config/we32k/xm-we32k.h: Delete.
2150 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2151 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2152 config/vax/xm-vms.h: Don't define any of:
2153 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2155 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2157 * config.gcc: Remove references to deleted files.
2158 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2159 FATAL_EXIT_CODE, which is the same between oe and mvs).
2161 2001-03-14 DJ Delorie <dj@redhat.com>
2162 Vladimir Makarov <vmakarov@redhat.com>
2164 * config/i960/i960.c (i960_function_prologue): Compute size of
2165 frame according to number of registers actually saved there.
2167 2001-03-14 Richard Henderson <rth@redhat.com>
2169 * expr.c (emit_move_insn_1): Fix else if around #endif.
2171 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2174 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2177 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2179 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2180 (override_options): Parse cmodel string.
2181 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2182 * i386.h (TARGET_OPTIONS): Add "cmodel".
2183 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2185 (ix86_cmodel_string, ix86_cmodel): Declare.
2187 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2190 * i386.h (GENERAL_REG_P): Add missing REG_P.
2192 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2194 * configure.in: Use $gcc_cv_as instead of $as.
2195 * configure: Regenerated.
2197 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2199 * cppfiles.c (stack_include_file): Only increase the include
2200 count if we actually process the file properly, as opposed
2201 to treating it as length zero. Only call read_include_file
2202 if not DO_NOT_REREAD. Handle the -H include file output
2204 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2205 (cpp_included, find_include_file): Simplify pathnames after
2206 remapping them. If remapping, don't use the remapped file
2207 name's buffer as our scratch buffer.
2208 (cpp_pop_file_buffer): Replace the multiple include macro
2209 only if it isn't yet set.
2210 (read_name_map): Simplify remapped names when reading in.
2211 (remap_filename): Move code to code path that uses it.
2212 (_cpp_simplify_pathname): Return the input pointer.
2213 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2215 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2217 * expr.c (expand_expr): Revove bogus conditional.
2219 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2221 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2223 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2225 * reg-stack.c (stack_result): Unconditionally use
2226 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2228 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2230 * expr.c (emit_move_insn_1): Split push of complex value when
2231 no suitable push instruction exist.
2233 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2234 instead of QI_REG_P.
2236 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2238 * alias.c (handled_component_p, can_address_p): New functions.
2239 (get_alias_set): Use them.
2241 2001-03-13 Jim Wilson <wilson@redhat.com>
2243 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2244 from 80 in try_locals code.
2245 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2247 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2249 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2250 gcc_AC_C_LONG_LONG): New.
2251 * configure.in: Use them. Probe the size of short, int, long,
2252 and long long/__int64 if we have them. Move all the AC_C_*
2253 checks together, except gcc_AC_C_CHAR_BIT which has to go
2254 after AC_CHECK_HEADERS(limits.h).
2255 Take hwint.h out of host_xm_file and build_xm_file.
2257 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2258 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2259 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2260 Move the HOST_WIDEST_INT setup logic here from system.h.
2261 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2263 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2264 is now handled by hwint.h.
2266 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2267 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2268 config/ia64/xm-ia64.h: Don't define any of:
2269 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2270 HOST_BITS_PER_LONGLONG.
2272 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2273 config/h8300/xm-h8300.h, config/mips/iris6.h,
2274 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2275 config/sparc/xm-sp64.h: Delete.
2276 * config.gcc: Remove references to deleted files.
2278 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2279 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2280 * config/i370/xm-linux.h: Clarify floating-point situation in
2283 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2285 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2286 (find_include_file): Decide here which part of the include
2287 chain to start the search. Complain about an empty include
2288 chain in all cases apart from an abolsute file name.
2289 (_cpp_execute_include): Don't choose the search chain here.
2290 Don't call handle_missing_include in the case of an empty
2292 (_cpp_compare_file_date): Don't choose the search chain here.
2293 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2294 here from _cpp_execute_include. Behave like #include if
2295 we're in the main file.
2297 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2299 * system.h (malloc, realloc, calloc, strdup): Only poison these
2300 tokens when IN_GCC is defined.
2302 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2304 * i386.md (abs?f expander): Support SSE case.
2305 (abd?f_if): Add new "USE"; add splitters.
2307 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2309 * cpp.texi (poison): Explain the macro expansion exception.
2311 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2313 * expr.c (store_expr): Add dont_store_target. If temp is already in
2314 target before copying to reg, don't store it into target again.
2316 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2318 * cppinternals.texi: Update for file handling.
2320 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2322 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2323 2001-02-24 which broke building the Java library.
2324 * function.c (identify_blocks): Likewise.
2325 (all_blocks): Likewise.
2326 * integrate.c (integrate_decl_tree): Likewise.
2327 * print-tree.c (print_node): Likewise.
2328 * tree.h (BLOCK_NUMBER): Likewise.
2329 (struct tree_block): Likewise.
2331 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2333 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2334 __WCHAR_TYPE__ definition.
2335 (WCHAR_TYPE_SIZE): #undef before #define.
2337 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2339 * cppfiles.c: Update comments.
2340 (destroy_include_file_node): Rename destroy_node.
2341 (find_or_create_entry): New function.
2342 (open_file, _cpp_fake_include): Use it.
2343 (handle_missing_header): New function, broken out of
2344 _cpp_execute include. Don't segfault if there is no
2345 system or quoted path.
2346 (_cpp_execute_include): Use handle_missing_header.
2348 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2350 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2351 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2353 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2355 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2356 unless anti_dependence says they are.
2357 * alias.c (objects_must_conflict): If neither has a type specified,
2360 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2361 David Billinghurst <David.Billinghurst@riotinto.com>
2363 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2365 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2367 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2368 (*_one_bit): Remove type on the match_operand in attributes.
2370 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2372 * i386.c: Commit forgotten hunk in previous patch.
2373 (regclass_map): Add extended registers.
2374 (dbx_register_map): Add missing frame register.
2376 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2378 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2380 * i386.md (x86_sahf_1): Disable for 64bit.
2381 (popsi*, pophi*): Likewise.
2382 (pushqi, pushhi): Likewise.
2383 (movdi, pushdi): Likewise.
2384 (zero extend DImode splitter): Likewise.
2385 (adddi, minusdi splitter): Likewise.
2386 (umulsidi): Likewise.
2388 (mulsidi): Disable for 64bit
2389 (lshift:DI/ashift:DI): Disable for 64bit.
2390 (loop patterns): Likewise.
2391 (call_pop, call_value_pop expanders and patterns): Likewise.
2392 (prologue_get_pc): Likewise.
2394 (fcmovDI pattern and splitter): Likewise.
2395 (movdfcc_1_rex64): New.
2397 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2399 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2400 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2401 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2402 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2403 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2404 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2405 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2406 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2407 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2408 (REGPARM_MAX): Set to 6 for x86_64.
2409 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2410 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2413 * (patterns that does use upper halves): Update constraints
2414 'q' to 'Q' and 'r' to 'R'.
2415 (cmpqi_ext_1): Disable for 64bit.
2416 (cmpqi_ext_3_insn): Likewise.
2417 (movqi_extzv_1): Likewsie.
2418 (addqi_ext_1): Liekwsie
2419 (testqi_ext_1): Liekwsie
2420 (andqi_ext_1): Liekwsie
2421 (xorqi_ext_1): Liekwsie
2422 (cmpqi_ext_1_rex64): New.
2423 (cmpqi_ext_3_insn_rex64): Likewise.
2424 (movqi_extzv_1_rex64): Likewsie.
2425 (addqi_ext_1_rex64): Liekwsie
2426 (testqi_ext_1_rex64): Liekwsie
2427 (andqi_ext_1_rex64): Liekwsie
2428 (xorqi_ext_1_rex64): Liekwsie
2430 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2432 * configure.in: Move check for unsigned enumerated bitfields
2433 to macro in aclocal.m4. Disable it for now.
2434 * configure, config.in: Regenerate.
2435 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2436 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2437 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2438 kind above its first use.
2440 * config/xm-interix.h, config/alpha/xm-alpha.h,
2441 config/i370/xm-linux.h, config/i386/xm-beos.h,
2442 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2443 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2444 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2445 Don't define ONLY_INT_FIELDS under any circumstances.
2447 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2449 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2450 config/sparc/xm-sysv4.h: Delete - now identical with some
2452 * config.gcc (hppa targets): Replace xm-pahpux.h and
2453 xm-papro.h with implicit xm-pa.h.
2454 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2457 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2459 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2460 before reload_cse_noop_set_p.
2462 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2464 * config.gcc: Where xm-host.h used to include another
2465 xm-host.h, list the nested header directly in xm_file. Remove
2466 references to deleted files. Can now use sparc/xm-sp64.h for
2469 * config/xm-linux.h, config/arm/xm-linux.h,
2470 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2471 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2472 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2473 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2474 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2477 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2478 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2479 bother to wrap #undef in #ifdef.
2480 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2481 Don't include xm-linux.h.
2482 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2484 * configure.in: Wrap regexps using [] in changequote block.
2485 Use expr : not echo | grep. Simplify regexps.
2486 * configure: Regenerate.
2488 56 xm-files remain, 22 xm-arch.
2490 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2492 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2493 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2494 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2495 (copy_object): Fix format specifier vs argument mismatch.
2497 * mips-tdump.c: Make local functions static.
2498 (rindex): Don't #undef.
2499 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2500 (fatal, fancy_abort): Delete.
2501 (read_seek): Avoid signed/unsigned compare.
2503 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2505 * combine.c (try_combine): Fix error in change to try original
2507 (gen_rtx_combine): Do same as gen_rtx for now.
2509 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2511 * configure.in: AC_SUBST xm_defines.
2512 * configure: Regenerate.
2513 * Makefile.in: Set DEFINES=$(xm_defines) when building
2516 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2518 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2519 (cpp_included, find_include_file): Update.
2520 (_cpp_compare_file_date): Make else unconditional.
2522 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2524 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2526 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2528 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2529 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2531 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2533 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2534 if it's a record type.
2536 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2538 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2539 mingw includes slightly.
2541 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2543 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2544 #undef token before poisoning it.
2546 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2548 * alpha.c (check_float_value): Use memcpy, not bcopy.
2550 * m32r.c (m32r_sched_reorder): Likewise.
2552 * vax.c (check_float_value): Likewise.
2554 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2556 * toplev.c (file_name_nondirectory): Remove.
2557 * toplev.h: Similarly.
2558 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2559 of file_name_nondirectory.
2561 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2563 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2564 * mips-tfile.c: Don't #undef rindex; not used.
2566 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2568 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2569 (dbx64_register_map): Declare.
2570 (RETURN_ADDR_RTX): Fix for 64bit.
2571 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2572 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2573 * i386.c (dbx64_register_map): New global array.
2574 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2575 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2578 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2580 * cppfiles.c (search_from): Use lbasename.
2581 * mkdeps.c (deps_add_default_target): Use lbasename.
2583 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2585 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2586 xcalloc in lieu of malloc, realloc & calloc.
2588 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2590 * gengenrtl.c (xmalloc): Likewise.
2592 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2593 really_call_* memory allocation routines.
2595 * stmt.c (check_for_full_enumeration_handling): Use
2596 really_call_calloc, not calloc.
2598 * system.h (really_call_malloc, really_call_calloc,
2599 really_call_realloc): Define.
2600 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2602 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2604 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2606 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2608 * configure: Rebuilt.
2609 * configure.in: Only use `lang_requires' for languages athat are
2612 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2614 * invoke.texi: Fix typo.
2615 * gcc.1: Regenerate.
2617 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2619 * configure.in: Prune nonexistent files from build_xm_file,
2620 xm_file, and host_xm_file lists. Warn unless they're
2622 Don't generate *config.h here.
2623 AC_SUBST all variables needed to generate *config.h.
2624 * configure: Regenerate.
2625 * mkconfig.sh: New helper script, from code removed from
2627 * Makefile.in: Zap all MALLOC variables - no longer used
2628 anywhere, and malloc.c doesn't exist.
2629 Substitute in variables needed to generate *config.h.
2630 Stop lying about the dependencies contained in CONFIG_H and
2632 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2633 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2634 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2635 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2636 $(TM_P_H), etc. as appropriate.
2638 * config.gcc: Zap references to deleted files.
2639 * ggc-none.c: Don't include rtl.h or tm_p.h.
2641 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2642 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2643 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2644 config/i386/xm-linux.h, config/i386/xm-linux.h,
2645 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2646 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2647 Don't include i386/xm-i386.h.
2649 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2650 config/i386/xm-i386.h, config/i860/xm-i860.h,
2651 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2652 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2653 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2654 Delete (empty except comments, #includes of other deleted
2655 files, and macros used nowhere).
2657 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2659 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2660 independent on TARGET_FLAGS.
2662 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2664 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2666 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2668 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2670 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2671 LAST_REX_SSE_REG): define.
2672 (enum reg_class): Add 'LEGACY_REGS'
2673 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2674 (SSE_REGNO_P): Recognize extended registers.
2675 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2676 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2677 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2678 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2679 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2680 REG_OK_FOR_STRREG_P): Remove.
2681 (HI_REGISTER_NAMES): Add extended registers.
2682 (ADDITIONAL_REGISTER_NAMES): Likewise.
2683 (QI_REGISTER_NAMES): Add 8bit extended registers.
2684 (DEBUG_REG): Support extended registers.
2685 * i386.c (regclass_map): Add extended registers.
2686 (dbx_register-map): Likewise.
2687 (svr4_dbx_register_map): Likewise.
2688 (print_reg): Support extended registers.
2689 (print_operand): Support 64bit operands.
2691 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2693 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2694 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2695 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2696 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2697 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2698 STACK_BOUNDARY): Set properly for 64bits.
2699 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2700 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2701 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2702 (MOVE_MAX): Set to 16.
2703 (MOVE_MAX_PIECES): 8 for 64bit.
2704 (Pmode): Set to SImode.
2706 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2708 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2710 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2712 * i386.h (mask_64bit): New constant.
2713 (target_64bit): New macro.
2714 (target_options): Add '64'/'32'
2715 (target_default): Define.
2716 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2717 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2718 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2720 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2722 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2724 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2726 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2727 LO_SUM unless for_alias is set.
2729 2001-03-08 Stan Shebs <shebs@apple.com>
2731 * objc/objc-act.c: Fix old typos in comments, add comments for
2733 (hash_init): Fix file name in error message.
2734 (hash_enter): Ditto.
2735 (hash_add_attr): Ditto.
2736 (continue_class): Ditto.
2738 2001-03-08 Bruce Korb <bkorb@gnu.org>
2740 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2741 wait4() can receive the signal.
2743 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2745 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2747 * fixinc/fixincl.x: Regenerate.
2749 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2751 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2753 * fixinc/fixincl.x: Regenerate.
2755 2001-03-08 Richard Henderson <rth@redhat.com>
2757 * configure.in (HAVE_AS_LEB128): New assembler check.
2758 * configure, config.in: Rebuilt.
2760 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2762 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2765 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2767 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2768 references to the MAXPATHLEN macro.
2770 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2771 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2774 * config/i386/xm-gnu.h, config/xm-gnu.h,
2775 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2776 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2777 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2778 and/or unused files.
2780 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2781 doing so in various xm-*.h files.
2783 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2785 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2787 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2789 * configure.in (enable_shared): Support per-package shared-library
2791 * configure: Rebuilt.
2793 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2795 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2796 for crnot. Set operands[5] in splitter.
2798 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2800 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2801 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2802 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2803 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2804 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2805 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2806 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2809 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2810 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2811 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2812 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
2813 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
2814 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
2815 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
2816 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
2817 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
2818 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
2819 Delete unused and/or empty files.
2821 * config.gcc: Define USG in xm_defines as appropriate. Define
2822 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
2823 macro. Remove deleted xm-* files from $xm_files variable.
2825 2001-03-07 Tom Tromey <tromey@redhat.com>
2827 * configure: Rebuilt.
2828 * configure.in: Allow config-lang.in to set `lang_requires' to list
2829 of other required languages.
2831 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
2833 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
2835 (output_prologue): Use xmalloc not oballoc.
2836 (output_epilog): Free a29k_first_epilogue_insn when finished.
2837 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
2839 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
2841 * builtins.c (expand_builtin_mathfn): Check
2842 flag_unsafe_math_optimizations, not flag_fast_math.
2843 (expand_builtin): Likewise
2844 * combine.c (combine_simplify_rtx): Likewise.
2845 (simplify_if_then_else): Likewise.
2846 * cse.c (fold_rtx): Likewise.
2847 * flags.h: Remove flag_fast_math. Add
2848 flag_unsafe_math_optimizations and flag_trapping_math.
2849 * fold-const.c (negate_expr): Check
2850 flag_unsafe_math_optimizations, not flag_fast_math.
2851 (invert_truthvalue): Likewise.
2852 (fold): Likewise. Before associating operands, check that
2853 code == MULT_EXPR, not code != MULT_EXPR.
2854 * ifcvt.c (noce_try_minmax): Check
2855 flag_unsafe_math_optimizations, not flag_fast_math.
2856 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
2857 * invoke.texi: Document -funsafe-math-optimizations and
2858 -fno-trapping-math. Change documentation for -ffast-math.
2859 * jump.c (reversed_comparison_code_parts): Likewise.
2860 (rtx_equal_for_thread_p): Likewise.
2861 * optabs.c (emit_conditional_move): Likewise.
2862 * simplify-rtx.c (simplify_binary_operation): Likewise.
2863 (simplify_relational_operation): Likewise.
2864 (simplify_ternary_operation): Likewise.
2865 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
2866 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
2867 Add trapping-math and unsafe-math-optimizations entries to f_options.
2868 (set_fast_math_flags): New, sets flags for -ffast-math.
2869 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
2870 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
2871 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
2873 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
2874 (alpha_emit_conditional_move): Initialize local_fast_math to
2875 flag_unsafe_math_optimizations, not flat_fast_math.
2876 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
2877 instead of setting flag_fast_math to 1.
2878 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
2880 * config/i386/i386.c (override_options): Likewise
2881 * config/i386/i386.md: Likewise.
2882 * config/m68k/m68k.md: Likewise.
2883 * config/mips/mips.md: Likewise.
2884 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2885 (rs6000_generate_compare): Likewise.
2887 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2889 * Makefile.in: Set RANLIB to @RANLIB@.
2892 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2894 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2895 * fixinc/fixincl.x: Regenerated.
2897 2001-03-07 Richard Henderson <rth@redhat.com>
2899 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2901 2001-03-07 Richard Henderson <rth@redhat.com>
2903 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2904 of block notes and exception handling notes.
2906 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2907 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2908 (compile_file): ... here.
2910 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2912 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2914 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2915 config.h now. Include libiberty.h to handle alloca.
2917 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2919 * c-parse.in (yylexname): New function, split out of _yylex.
2920 (objc_rid_sans_at): New table.
2921 (init_reswords): Initialize it.
2922 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2923 retrieving the next token and checking it for significance as
2924 an ObjC keyword or string constant.
2926 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2927 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2929 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2932 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2934 * config/m68k/m68k.c (const_uint32_operand): Accept any
2935 const_int on a 32-bit host.
2937 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2939 * objc/objc-act.c (init_objc): Set save_lang_status,
2940 restore_lang_status, and mark_lang_status.
2942 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2944 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2946 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2948 * cppinternals.texi: Update.
2950 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2952 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2953 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2954 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2955 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2956 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2957 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2958 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2959 config/i386/xm-i386.h, config/i860/xm-i860.h,
2960 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2961 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2962 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2963 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2964 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2965 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2966 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2967 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2968 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2969 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2970 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2971 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2972 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2973 match the defaults provided in hwint.h.
2975 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2976 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2978 * config.gcc (xm_file): Don't set to files which are deleted.
2980 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2981 guard this file against these macros being undefined.
2983 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2985 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2986 and DECL_DEFER_OUTPUT on the decl we create, before calling
2987 rest_of_decl_compilation.
2989 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2991 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2993 * configure, config.in: Regenerate.
2994 * config.gcc: Remove references to deleted files.
2996 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2997 genrecog.c, rtl.c: Do not use alloca anywhere.
2999 * Makefile.in, build-make, system.h, config/x-interix,
3000 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3001 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3002 config/arc/xm-arc.h, config/arm/xm-arm.h,
3003 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3004 config/h8300/xm-h8300.h, config/i370/x-oe,
3005 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3006 config/i386/x-ncr3000, config/i386/x-sco5,
3007 config/i386/xm-dgux.h, config/i860/x-sysv4,
3008 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3009 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3010 config/m68k/x-hp320g, config/m69k/x-mot3300,
3011 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3012 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3013 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3014 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3015 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3016 config/mips/x-iris, config/mips/x-iris3,
3017 config/mips/x-sni-svr4, config/mips/x-sysv,
3018 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3019 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3020 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3021 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3022 config/pa/xm-papro.h, config/romp/xm-romp.h,
3023 config/rs6000/x-aix31, config/rs6000/x-aix41,
3024 config/rs6000/x-beos, config/rs6000/x-lynx,
3025 config/rs6000/x-mach, config/rs6000/x-rs6000,
3026 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3027 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3028 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3029 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3030 config/vax/xm-vms.h: Eradicate all references to alloca and
3033 * config/xm-alloca.h, config/clipper/x-clix,
3034 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3035 config/i860/x-sysv3, config/m88k/x-sysv3,
3036 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3037 (contained only alloca related hacks).
3039 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3042 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3044 * invoke.texi: Document __FAST_MATH__.
3046 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3048 * crtstuff.c: Restore include of auto-host.h.
3050 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3052 Put main() in a separate file, so that the language
3053 front-end can use a different main().
3056 * toplev.c: (main): Rename as toplev_main.
3057 * toplev.h: Declare toplev_main.
3058 * Makefile.in (OBJS): add toplev.o.
3059 (BACKEND): remove toplev.o, add main.o.
3061 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3063 * cppfiles.c (search_from): Special case the empty string.
3065 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3067 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3068 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3069 strlen or strcpy; we already know the length.
3070 (_cpp_compare_file_date): Similarly.
3071 * cpphash.h (struct cpp_reader): Delete done_initialising.
3072 (CPP_PREV_BUFFER): Delete.
3073 * cppinit.c (cpp_start_read): Don't set done_initialising.
3074 * cpplex.c (parse_string): Guarantee null-termination.
3075 (_cpp_equiv_toklists): Remove.
3076 * cpplib.c (glue_header_name): Null-terminate.
3077 (do_line): Don't leak memory.
3078 * cpplib.h (BT_WEAK): Delete.
3079 * cppmain.c (cb_ident): Strings are now null-terminated.
3081 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3083 * gcc.c (convert_filename): Append executable suffix
3084 if NO_AUTO_EXE_SUFFIX is not defined.
3085 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3086 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3088 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3090 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3091 * c-parse.gperf, c-gperf.h: Delete.
3092 (c-gperf.h was accidently re-added to the CVS repo in the rev
3093 1.16 commit by tromey)
3095 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3097 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3098 macro arguments when looking for the '('.
3099 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3100 2 when really parsing arguments; 1 when looking for '('.
3101 Always restore the lexer position.
3103 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3105 * longlong.h (umul_ppmm): Don't use a multiline string.
3107 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3109 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3110 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3111 t_bool in declaration because pcc can't combine volatile with typedef
3114 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3116 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3117 until when it is really needed.
3118 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3119 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3120 * i386.md (float?i?f splitter): Don't force source operand to memory
3122 (sse_movdfcc): Fix constraint.
3123 (sse_movdfcc splitter): Handle properly the second alternative.
3125 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3127 * cpplex.c (parse_string): Unconditionally pedwarn.
3129 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3132 * cppexp.c (parse_number): Update.
3133 * cpplex.c (parse_string): Pedwarn if multiline string does not
3134 result from a system header's macro.
3135 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3136 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3137 for function-like macros too.
3138 * c-lex.c (lex_number): Update.
3140 2001-03-03 Richard Henderson <rth@redhat.com>
3142 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3144 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3146 * combine.c (try_combine): If split with mode-changed scratch
3147 register didn't work, try the original mode.
3149 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3151 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3152 * config/c4x/c4x.h: Likewise.
3153 * stor-layout.c (compute_record_mode): Likewise.
3154 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3156 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3158 * configure.in: Kill tm.h. Include the files in the $tm_file
3159 list in all three of config.h, hconfig.h, tconfig.h, after the
3160 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3161 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3162 * configure: Regenerate.
3163 * Makefile.in (clean): Don't delete tm.h.
3165 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3166 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3167 those are not defined, set SEC and FEC to 0 and 1.
3168 * gcc.texi: Update to match.
3170 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3171 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3172 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3173 Include tconfig.h, not tm.h.
3175 * config/xm-lynx.h, config/xm-std32.h,
3176 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3177 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3178 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3179 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3180 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3181 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3182 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3183 config/i386/xm-i386.h, config/i860/xm-i860.h,
3184 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3185 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3186 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3187 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3188 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3189 config/pa/xm-linux.h, config/pa/xm-pa.h,
3190 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3191 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3192 config/pj/xm-pj.h, config/romp/xm-romp.h,
3193 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3194 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3195 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3196 config/v850/xm-v850.h, config/vax/xm-vax.h,
3197 config/we32k/xm-we32k.h:
3199 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3201 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3202 config/i370/xm-oe.h: Don't include tm.h. Don't define
3204 * config/vax/xm-vms.h: Don't include tm.h.
3206 * config/xm-lynx.h, config/avr/xm-avr.h,
3207 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3208 Delete; made empty by above changes.
3209 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3210 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3211 Don't include config/xm-lynx.h or tm.h.
3213 * config/xm-gnu.h: Don't include fcntl.h.
3214 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3216 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3218 2001-03-02 Richard Henderson <rth@redhat.com>
3220 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3221 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3223 2001-03-02 Richard Henderson <rth@redhat.com>
3225 * Makefile.in (OBJS): Add dwarf2asm.o.
3226 * dwarf2asm.c, dwarf2asm.h: New files.
3227 * dwarf2out.c (*): Use them.
3228 (size_of_uleb128, size_of_sleb128): Remove.
3229 (output_uleb128, output_sleb128): Remove.
3230 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3231 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3232 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3233 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3234 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3235 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3236 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3237 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3238 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3239 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3240 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3241 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3242 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3243 (dwarf2out_frame_debug): Remove unused variables.
3244 (output_loc_operands): Don't abort on 8 byte constants if
3245 host integers are wide enough.
3246 (output_symbolic_ref): Remove.
3247 (size_of_die): Don't assume 4 byte host integers.
3248 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3250 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3251 something stupid with HOST_WIDE_INT to long truncation.
3252 [CONST_DOUBLE]: Likewise.
3254 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3255 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3256 * config/arm/unknown-elf.h: Likewise.
3257 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3258 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3259 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3260 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3261 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3262 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3263 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3264 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3265 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3266 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3267 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3268 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3270 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3272 * cselib.c (hash_rtx): Cast enums to unsigned int.
3274 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3276 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3277 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3279 * c-format.c (C_STD_VER): Cast to int for comparisons.
3280 (check_function_format): Cast various enums to int for &.
3281 (maybe_read_dollar_number): Likewise.
3282 (check_format_info): Likewise.
3283 (check_format_info_main): Likewise.
3284 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3285 (safe_from_p): Likewise.
3286 * varasm.c (const_hash): Cast enum to int for %.
3287 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3288 pcc enum problems with < and ++ operators.
3289 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3290 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3291 (regclass_init): Change enum class to int to iterate over reg_classes.
3292 * genrecog.c (merge_trees): Cast enums for comparison.
3293 * rtl.h (GET_CODE): Cast to enum rtx_code.
3294 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3295 (GET_MODE): Cast to enum machine_mode.
3296 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3297 (GET_NOTE_INSN_NAME): Cast enum to int.
3298 * tree.h (TREE_CODE): Cast to enum tree_code.
3299 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3300 * timevar.c (timevar_print): Change loop variable id from enum to
3302 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3303 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3304 * toplev.c (compile_file): Cast enum DFI to int.
3305 (decode_d_option): Likewise.
3307 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3309 * cppinit.c (append_include_chain): Mark "after" include file name list
3310 as a system directory.
3311 * cpp.texi: Document new behavior.
3313 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3315 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3317 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3319 * cppfiles.c (struct include_file): Update.
3320 (stack_include_file): Use search_from.
3321 (cpp_included, find_include_file): Update.
3322 (cpp_execute_include): Update. ptr->name may not be
3323 null terminated. Use the new search_from member variable
3325 (_cpp_compare_file_date): Similarly.
3326 (search_from): New function, similiar to actual_directory.
3327 (actual_directory): Delete.
3328 (remap_filename): Update. loc->name may not be null terminated.
3329 (struct file_name_list): Rename search_path. Update.
3330 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3331 search_from and dir.
3332 (struct cpp_reader): Remove actual_dirs.
3333 * cppinit.c (struct cpp_pending): Update for renamed objects.
3334 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3335 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3336 * cpplib.h (struct cpp_options): Similarly.
3338 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3340 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3341 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3342 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3343 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3344 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3345 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3346 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3347 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3348 config/i370/xm-oe.h, config/i386/xm-aix.h,
3349 config/i386/xm-i386.h, config/i386/xm-osf.h,
3350 config/i860/xm-i860.h, config/i960/xm-i960.h,
3351 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3352 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3353 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3354 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3355 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3356 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3357 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3358 config/pj/xm-pj.h, config/romp/xm-romp.h,
3359 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3360 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3361 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3362 config/v850/xm-v850.h, config/vax/xm-vax.h,
3363 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3364 Do not define TRUE or FALSE.
3366 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3367 empty by above change.
3368 * config.gcc: Remove references to these files.
3370 * configure.in: Detect stdbool.h.
3371 * configure, config.in: Regenerate.
3372 * system.h: Include stddef.h here if available.
3373 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3374 Then set up a sensible boolean type at the very end.
3376 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3377 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3379 * hash.h: Delete 'boolean' typedef and related #undefs.
3381 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3382 all uses of 'boolean' with 'bool'.
3384 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3386 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3387 * cppexp.c (lex): Cast enums for comparison.
3388 * cppinit.c (parse_option): Cast enum for comparison.
3389 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3390 (cpp_output_token): Likewise.
3391 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3392 (cpp_avoid_paste): Cast enums for minus and comparison.
3394 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3396 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3397 field to all array elements.
3399 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3401 * cpphash.h (struct cpp_reader): Add print_version field.
3402 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3403 just set print_version and other flags as appropriate.
3404 (cpp_post_options): Print version here if print_version is set.
3406 * toplev.c (exit_after_options): New flag.
3407 (independent_decode_option): Don't exit here; just set
3409 (main): Exit after calling lang_hooks.post_options if
3410 exit_after_options is true.
3412 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3413 (merge_include_chains): Adjust comment to match code.
3415 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3417 * stringpool.c (set_identifier): New function.
3418 * tree.h: Prototype it.
3420 * c-parse.in: Kill D_YES. If compiled for objc, call
3421 save_and_forget_protocol_qualifiers from init_reswords.
3422 * objc/objc-act.c (remember_protocol_qualifiers,
3423 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3424 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3426 (save_and_forget_protocol_qualifiers): New function.
3427 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3429 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3431 * c-semantics.c (prune_unused_decls): Return error_mark_node
3432 instead of (tree) 1 to stop traversing the tree chain.
3434 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3436 Fix a problem introduced by Kenner's Feb 18 change.
3437 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3438 flag_cse_skip_blocks only temporarily, not for ever.
3440 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3442 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3443 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3445 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3446 before determining its register class.
3448 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3450 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3451 from reg 4 if current_function_calls_setjmp.
3452 (gen_nop_type): New function.
3453 (ia64_emit_nops): New function.
3454 (ia64_reorg): Call it.
3455 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3457 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3458 code not to try to optimize adds with anything but a REG destination.
3460 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3461 (INSN_PRIORITY_KNOWN): New accessor macro.
3462 * haifa-sched.c (priority): Use it instead of testing priority against
3465 2001-02-28 DJ Delorie <dj@redhat.com>
3467 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3468 since that doesn't work the way gcc wants on a generic m68k.
3470 2001-02-28 Richard Henderson <rth@redhat.com>
3472 * caller-save.c (save_call_clobbered_regs): Fix typo in
3473 comparison last change.
3475 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3477 * i386.c (pentium4_cost): New.
3478 (m_PENT4): New macro.
3479 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3480 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3481 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3482 x86_memory_mismatch_stall): Add Pentium4
3483 (x86_use_q_reg, x86_use_any_reg): Kill.
3484 (override_options): Add pentium4.
3485 (incdec_operand): Return 0 for pentium4.
3486 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3487 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3488 (TARGET_PENTIUM4): Define.
3489 (enum processor_type): Add PROCESSOR_PENTIUM4.
3490 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3491 * i386.md (attribute "cpu"): Add pentium4.
3492 * invoke.texi (march): Add pentium4.
3494 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3496 * i386.md (sse_mov?fcc*): New patterns and splitters.
3497 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3498 the SSE based conditional moves.
3500 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3502 * i386.md (attribute mode): Add "TI".
3503 (movsf_1): Add pxor support; remove constant propagation splitter.
3504 (movdf_integer): Likewise.
3505 (movdf_nointeger): Likewise.
3506 (movxf constant prop splitter): Handle all modes; update for SSE.
3507 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3508 * i386.c (standard_80387_constant_p): Rewrite.
3509 (standard_sse_constant_p): New.
3510 * i386-protos.h (standard_sse_constant_p): New.
3512 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3514 * i386.md (sse_setccsf, sse_setccdf): New.
3515 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3517 * i386.c (sse_comparison_operator): Accept the supported unordered
3518 comparses; be ready for fast_math.
3519 (print_operand): Support 'D'.
3521 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3523 * jump.c (reversed_comparison_code): Kill.
3525 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3527 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3530 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3532 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3533 add missing '%' in constraints.
3535 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3537 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3538 for HOST_BITS_PER_WIDE_INT == 32 too.
3540 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3542 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3544 (insert_save, insert_restore): New parameter save_mode.
3545 (init_caller_save): Update initialization of reg_save_code
3546 and reg_restore_code.
3547 (save_call_clobbered_regs): Compute save_modes and update calls to
3548 reg_save_code and reg_restore_code.
3549 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3550 of spill; update use of reg_restore_code.
3551 (insert_save): Likewise.
3552 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3553 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3554 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3556 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3558 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3559 noce_try_store_flag_inc, noce_try_store_flag_mask,
3560 noce_try_cmove_arith):
3561 Use reversed_comparison_code instead of reverse_comparison and
3562 can_reverse_comparison_p.
3564 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3566 * jump.c (reversed_comparison_code_parts): Allow reversal of
3567 unordered compares in -ffast-math mode; reverse ordered compares
3568 for FP even w/o -ffast-math.
3570 2001-02-27 Richard Henderson <rth@redhat.com>
3572 * print-rtl.c (print_rtx) [i]: Don't print field five on
3573 NOTEs other than NOTE_INSN_DELETED_LABEL.
3575 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3577 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3578 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3580 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3582 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3583 even if walk_subtrees is 0.
3584 * c-semantics.c (prune_unused_decls): Return a non-null value to
3585 stop traversing the tree chain.
3587 2001-02-27 DJ Delorie <dj@redhat.com>
3589 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3590 register, *then* define it as the new CFA.
3592 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3594 * pa.c (override_options): Promote -fpic to -fPIC.
3595 (legitimize_pic_address): Simplify due to removal of
3596 small PIC as a code generation option.
3597 (secondary_reload_class): Similarly.
3598 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3599 (PRINT_OPERAND_ADDRESS): Similarly.
3600 * pa.md (various patterns): Similarly.
3601 (small pic lo_sum pattern): Remove.
3603 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3606 * md.texi (min, max): Document
3608 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3610 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3611 TARGET_PARTIAL_REG_DEPENDENCY.
3612 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3614 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3616 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3618 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3620 * mips.c (mips_make_temp_file): Fix thinko in last change.
3622 2001-02-26 Jason Eckhardt <jle@redhat.com>
3624 * combine.c (known_cond): Do not reverse the condition when
3625 SMAX/UMAX is being considered and the condition is for equality
3628 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3630 2001-02-26 Philip Blundell <philb@gnu.org>
3632 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3634 * config/arm/linux-elf.h: Remove historical relics related to
3635 above configurations.
3636 * config/arm/linux-oldld.h: Delete.
3637 * config/arm/linux-elf26.h: Delete.
3639 2001-02-26 Jason Merrill <jason@redhat.com>
3641 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3643 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3644 recognize a tentative definition. Lose obsolete code.
3646 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3647 variables unless necessary, either.
3649 2001-02-25 Richard Henderson <rth@redhat.com>
3651 * ifcvt.c (struct noce_if_info): Add test_bb.
3652 (noce_get_alt_condition): New.
3653 (noce_try_minmax, noce_try_abs): New.
3654 (noce_operand_ok): New.
3655 (noce_process_if_block): Use them.
3656 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3658 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3660 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3663 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3665 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3666 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3668 (mips_asm_file_end): Free temp_filename here.
3670 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3672 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3673 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3675 * config/i386/i386.md (movstrsi): Handle FAIL case.
3677 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3679 * cppinit.c (builtin_array): Update.
3680 (init_builtins): Flag builtins to warn if redefined or
3681 undefined. Define __GXX_WEAK as a normal macro.
3682 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3683 * cpplib.h (NODE_WARN): New flag.
3684 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3685 Handle __STDC__ as a builtin only on Solaris.
3686 (warn_of_redefinition): Renamed from check_macro_definition.
3687 Reverse sense of test. Always warn if NODE_WARN.
3688 (_cpp_create_definition): Use warn_of_redefinition. Flag
3689 any macro beginning with "__STDC_" to require a mandatory
3690 warning if redefined or undefined.
3692 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3694 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3695 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3696 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3697 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3698 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3699 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3700 Don't define any of:
3701 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3702 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3703 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3704 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3705 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3707 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3708 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3711 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3712 Delete now-empty file.
3714 * alpha/vms.h: Define NEED_ATEXIT here...
3715 * alpha/xm-vms.h: ...not here.
3717 * i386/cygwin.h: Don't define PARAMS.
3718 * mips/mips.c: Don't prototype mktemp. Don't define
3719 P_tmpdir. Use make_temp_file to create temporary files.
3720 Don't be clever and delete temporary files early.
3721 * config.gcc: Drop references to deleted files. Don't define
3723 * gcc.texi: Don't mention USE_PROTOTYPES.
3725 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3727 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3728 (ix86_set_move_mem_attrs_1): Likewise.
3729 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3730 * config/i386/i386.md (movstrsi): Call it.
3732 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3734 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3735 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3736 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3737 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3739 (i750a-*-*): Error here if hosting on i750a.
3740 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3742 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3743 Remove (empty modulo comments).
3745 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3746 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3747 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3748 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3749 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3750 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3752 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3753 Remove reference to winnt.h in comment.
3754 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3756 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3758 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3759 used to set another biv.
3761 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3763 * tree.h (BLOCK_DEAD): New macro.
3764 (struct tree_block): New flag, dead_flag.
3765 * print-tree.c (print_node, case 'b'): Print missing fields.
3766 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3767 * function.c (identify_blocks): Enable test for misplaced notes.
3768 (all_blocks): Skip BLOCK_DEAD blocks.
3769 * integrate.c (integrate_decl_tree): Likewise.
3771 * errors.c (internal_error, trim_filename): New functions.
3772 (fancy_abort): Call internal_error.
3773 * errors.h (internal_error, trim_filename): New declarations.
3775 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3777 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3779 (EXTRA_CONSTRAINT): Formatting changes.
3781 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3783 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3785 2001-02-23 Per Bothner <per@bothner.com>
3787 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3788 so they can be called from java/jvspec.c.
3789 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3791 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3793 * i386.c (ix86_frame): New structure.
3794 (ix86_compute_frame_size): Kill.
3795 (ix86_compute_frame_layout): New.
3796 (ix86_save_reg): New.
3797 (ix86_can_use_return_insn_p): Use frame layout stuff.
3798 (ix86_expand_prologue): Likewise.
3799 (ix86_expand_epilogue): Likewise.
3800 (ix86_initial_elimination_offset): Likewise.
3801 (ix86_nsaved_regs): Use ix86_save_reg.
3802 (ix86_emit_save_regs): Likewise.
3804 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3806 * flow.c (find_sub_basic_blocks): New function.
3807 (split_block): Be ready for basic block introduced by CODE_LABEL.
3808 (commit_one_edge_insertion): Call find_sub_basic_block.
3810 * flow.c (make_edges): Add edge from entry for blocks starting with
3811 label having ALTERNATE_NAME
3813 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
3815 * function.c (epilogue_done): Be ready for first basic block not
3816 containing PROLOGUE_END note.
3817 (reposition_prologue_and_epilogue_notes): Avoid placing
3818 PROLOGUE_END note between BASIC_BLOCK.
3820 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
3822 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
3824 2001-02-21 DJ Delorie <dj@redhat.com>
3826 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
3827 check for current_function_has_nonlocal_goto from 1999-11-12.
3829 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3831 * diagnostic.c (trim_filename): No longer static.
3832 * toplev.h (trim_filename): Declare.
3833 * rtl.c (rtl_check_failed_bounds): Call internal_error.
3834 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
3835 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
3836 (rtvec_check_failed_bounds): Likewise.
3837 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
3839 * convert.c (convert_to_integer): Don't do unsigned unless result or
3840 both inputs are unsigned.
3842 * fold-const.c (fold_convert): Don't call size_int_type_wide if
3845 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
3847 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
3849 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
3851 * Makefile.in (resource.o): Add params.h dependence.
3852 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
3853 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
3854 * resource.c: Add dependence on params.h.
3855 (current_live_regs): Fix explanatory comment.
3856 (find_basic_block): Add new parameter to permit limiting search
3858 (mark_target_live_regs): Add new argument to find_basic_block call.
3859 (incr_ticks_for_insn): Likewise.
3861 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3863 * diagnostic.c (output_to_stream): Rename to
3864 output_buffer_to_stream. Loses the stream parameter.
3865 (init_output_buffer): Set diagnosic_buffer's stream.
3866 (flush_diagnostic_buffer): Adjust.
3867 (default_print_error_function): Likewise.
3868 (finish_diagnostic): Likewise.
3869 (verbatim): Likewise.
3871 * diagnostic.h (struct output_buffer): Add `stream' field.
3872 (output_buffer_attached_stream): New macro.
3874 2001-02-23 Jakub Jelinek <jakub@redhat.com>
3876 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
3877 check if either operand is divisible by C.
3878 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
3879 If type is signed, consider negative numbers as well.
3881 2001-02-22 Richard Henderson <rth@redhat.com>
3883 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3884 reach .text instead of gp-relative relocs.
3885 * config/ia64/crtend.asm (.init): Likewise.
3887 2001-02-22 Andreas Jaeger <aj@suse.de>
3889 * extend.texi (C++ Attributes): Fix typo.
3891 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3893 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3894 functions, drop current_function_args_info.words test.
3895 (ia64_compute_frame_size): Mark syscall_linkage functions as
3896 using eight input registers.
3898 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3899 Bruce Korb <bkorb@gnu.org>
3901 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3902 * fixinc/README: Document how to convert sed substitutions
3903 to format style c_fix-es.
3904 * fixinc/fixincl.x: regen
3906 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3908 * gcc.c: Add comment explaining how to add a command-line option.
3909 Add title to specs language comment.
3911 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3913 * gcc.c (cc1_options): Add "-param".
3914 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3915 (option_map): Likewise.
3916 * toplev.c (display_help): Add entry for "--param".
3917 (independent_decode_option): Fix typographical error.
3919 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3920 Bernd Schmidt <bernds@redhat.com>
3921 Jan Hubicka <jh@suse.cz>
3923 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3924 (function_arg): Likewise.
3926 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3928 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3930 2001-02-21 Kazu Hirata <kazu@hxi.com>
3932 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3936 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3938 * flow.c (init_propagate_block_info): Canon address and use single_set
3939 for killing dead memory stores.
3941 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3943 * Makefile.in (reorg.o): Add params.h dependence.
3944 * params.def: Fix typographical error in comment.
3945 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3946 * params.h: Modify introductory comment.
3947 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3948 * reorg.c: Add dependence on params.h.
3949 (redundant_insn): Add parameterized throttle for search.
3950 (fill_simple_delay_slots): Add a comment explaining a variable.
3951 Move conditional out of loop, simplifying code.
3952 (fill_eager_delay_slots): Fix typographical error in comment.
3954 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3956 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3958 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3959 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3961 2001-02-21 Jason Merrill <jason@redhat.com>
3963 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3964 (struct tree_decl): Add uninlinable bitfield.
3965 * c-decl.c (duplicate_decls): Set it.
3966 * integrate.c (function_cannot_inline_p): Check it.
3968 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3969 DW_AT_MIPS_linkage_name to abstract methods.
3970 (dwarf2out_abstract_function): Emit class context before calling
3971 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3972 (gen_subprogram_die): Remove obsolete code.
3973 (gen_member_die): Don't include clones in the member list.
3974 (gen_decl_die): Emit abstract info for clone origin.
3975 * dwarfout.c (output_type): Don't include clones in the member list.
3976 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3977 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3978 DECL_ABSTRACT on a function that already has it set.
3980 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3981 (get_subprogram_die): Pass it in.
3983 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3985 * flow.c (mark_set_1): Make not_dead unsigned long. For
3986 non-pseudos, use it as a bitmask of the hard regs that
3989 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3991 * cppfiles.c: Update comments.
3992 (_cpp_read_file): Don't check for NULL filenames any more.
3993 * cppinit.c (cpp_start_read): Don't do canonicalization of
3994 in_fname and out_fname. Use the passed file name exclusively.
3995 (_cpp_handle_options): Don't treat "-" as a command line option,
3996 but as a normal filename.
3997 (_cpp_post_options): Canonicalize in_fname and out_fname.
3998 * cppmain.c (printer_init): Don't check out_fname for NULL.
3999 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4000 (init_c_lex): Update, and use "" to represent stdin to CPP.
4003 2001-02-20 Will Cohen <wcohen@redhat.com>
4005 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4006 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4007 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4010 2001-02-20 Stan Shebs <shebs@apple.com>
4012 * config/rs6000/rs6000.c (output_cbranch): Output branches
4013 on separate lines instead of using ';' to separate.
4015 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4017 * cppinit.c (set_lang): Move builtin handling to...
4018 (init_builtins): ...here.
4019 (_cpp_create_reader): Move call to set_lang.
4021 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4023 * stmt.c (expand_return): If an attempt is made to return the
4024 error_mar_node, treat the return like a return without a value.
4026 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4028 * sibcall.c (skip_copy_to_return_value): Call
4029 identify_call_return_value here, and return orig_insn if it
4030 returns zero. Hardret and softret arguments now unnecessary.
4031 (call_ends_block_p): Don't call identify_call_return_value here.
4033 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4035 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4036 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4038 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4040 * pa.c (move_operand): Accept code to load the address of a
4041 symbol out of the DLT as a valid move operand.
4042 (print_operand, case 'A'): New to handle generating a DLT
4043 reference for a LO_SUM expression.
4044 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4045 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4047 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4049 * README, cpp.texi, gcc.texi, version.c: Update version number to
4051 * cpp.1, gcov.1, gcc.1: Regenerate.
4053 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4055 * cppfiles.c (stack_include_file): Generate dependencies
4056 here, and manage include_count here too.
4057 (PRINT_THIS_DEP): Delete.
4058 (_cpp_execute_include): Do not generate dependencies here,
4059 apart from the case of a missing header. Do not manage
4061 (_cpp_read_file): Leave dependency generation to
4064 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4066 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4067 target_cpu_default. Remove dead assignment to
4070 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4072 * regclass.c (contains_reg_of_mode): Make global.
4073 (init_reg_sets): Remove contains_reg_of_mode; take into account
4074 CLASS_MAX_NREGS when looking for the proper mode.
4075 (dump_regclass): Dump only classes considered for the pseudo.
4076 (regclass): Use contains_reg_of_mode.
4078 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4080 * gcc.c (do_spec_1): 'n' for printing notices.
4081 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4083 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4085 * reg-stack.c (next_flags_user): Use current_block->end
4086 (swap_rtx_condition): Look for next user if flags don't die;
4087 give up on CALL_INSNs; use current_block->end.
4089 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4091 * sibcall.c (call_ends_block_p): New function.
4092 (optimize_sibling_and_tail_recursive_call): Use it.
4094 2001-02-18 Kazu Hirata <kazu@hxi.com>
4096 * config/h8300/h8300.md: Update copyright.
4097 (andsi3): Do not output an extra newline character.
4099 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4101 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4102 FNDECL may be unused.
4104 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4105 follow jumps after first run.
4106 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4107 it doesn't change any jumps.
4109 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4111 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4112 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4113 (mostlyclean): Corresponding changes.
4114 * rtlanal.c (hard-reg-set.h): Include.
4115 (rtx_unstable_p): Do not treat the argument pointer specially
4116 if it is not a fixed register.
4117 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4119 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4121 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4122 against last real insn in basic block.
4123 Rework to avoid gotos.
4125 * Makefile.in (gcse.o): Now includes ggc.h.
4126 * gcse.c: Include ggc.h.
4127 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4128 (try_replace_reg): Remove warning of uninitialize variable.
4129 (process_insert_insn): Call invalid_insn_p to validate insn.
4130 * recog.c (insn_invalid_p): Now global.
4131 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4132 * recog.h (insn_invalid_p): New declaration.
4134 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4136 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4137 assignments from FP constants since 'Y' output code can't handle it.
4138 (eligible_for_sibcall_delay): Likewise.
4140 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4141 Call fancy_abort directly, passing args.
4142 (print_rtl_and_abort): Now a macro, like fancy_abort.
4144 * final.c (output_operand_lossage): Use internal_error, not error.
4146 2001-02-18 Shane Nay <shane@agendacomputing.com>
4148 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4149 structure shift insns.
4151 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4153 * invoke.texi (-fsquangle): Remove documentation.
4154 (-fname-mangling-version): Likewise.
4156 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4158 * optabs.c (expand_abs): Remove reference to
4159 HAVE_contitional_arithmetic.
4160 * combine.c (simplify_set): Likewise.
4162 2001-02-18 Richard Henderson <rth@redhat.com>
4164 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4167 2001-02-18 Richard Henderson <rth@redhat.com>
4169 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4171 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4173 * reload1.c (reload_cse_simplify_set): Fix typo.
4175 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4177 * diagnostic.c (_fatal_insn): Decrement errorcount.
4179 * invoke.texi (-I): Add note avoiding use for system header files.
4181 * rtl.h (add_clobbers): Remove duplicate declaration.
4182 * recog.h (added_clobbers_hard_reg_p): New declaration.
4183 * genemit.c (struct clobber_pat): New field has_hard_reg.
4184 (gen_insn): Record if added clobbers clobber hard reg.
4185 (gen_split): Avoid unused warning if number of operands is 0.
4186 (output_added_clobbers_hard_reg_p): New function.
4189 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4191 * pa.c (hppa_expand_prologue): Simplify code storing return
4192 pointer. For large (>=8k) frames with a post_store, adjust stack
4193 pointer by 8k-64 first rather than by 64. When testing with
4194 VAL_14_BITS_P, always use the actual value rather than the value
4195 negated. Add blockage to prevent scheduling of spills before
4196 stack frame has been created.
4197 (hppa_expand_epilogue): Simplify code loading return pointer.
4198 Allow a slightly larger range for merge_sp_adjust_with_load case.
4199 When testing with VAL_14_BITS_P, always use the actual value.
4201 * pa.c (pa_adjust_insn_length): Check that block move
4202 pattern is a set before looking at operands.
4204 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4206 * fold-const.c (fold_binary_op_with_conditional_arg): New
4207 function, split out from ...
4209 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4210 conditional arms that throw exceptions.
4212 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4215 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4217 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4218 define HAVE_DECL_* to 1 to mask potential backup declarations.
4219 * configure: Regenerated.
4221 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4223 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4225 2001-02-17 Richard Henderson <rth@redhat.com>
4227 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4228 when replacing a memory load with a register.
4230 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4231 Jan Hubicka <jh@suse.cz>
4233 * recog.c (validate_replace_src_1): New.
4234 (validate_replace_src_data): Likewise.
4235 (validate_replace_src): Use note_uses.
4236 * rtl.h (note_uses): Declare.
4237 * rtlanal.c (note_uses): New.
4239 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4241 * reg-stack.c (stack_def): Make field reg unsigned.
4242 (remove_regno_note): Unsignetize parameter.
4244 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4246 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4247 shladd_operand() call.
4249 2001-02-16 Bruce Korb <bkorb@gnu.org>
4250 Rodney Brown <RodneyBrown@mynd.com>
4252 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4253 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4254 machine restrictions
4255 * fixinc/fixincl.x: regen
4257 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4259 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4261 (hash_scan_insn): Clean up calls to hash_scan_set.
4262 (compute_kill_rd): REGNO now unsigned.
4263 (try_replace_reg): Rework to use simplify_replace_rtx.
4264 (cprop_jump, cprop_cc0_jump): Likewise.
4265 (cprop_insn): Call find_reg_equal_equiv_note.
4266 Reflect changes to cprop_jump and cprop_cc0_jump.
4268 * recog.c (validate_replace_src): Replace in operands of
4269 ZERO_EXTRACT in SET_DEST.
4271 * cse.c (new_label_ref): New variable.
4272 (insert): Set it instead of recorded_label_ref.
4273 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4274 CODE_LABEL for this function, and not already in REG_LABEL note.
4276 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4278 * resource.c (mark_referenced_resources): Fix typo in introductory
4280 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4283 2001-02-16 Jason Merrill <jason@redhat.com>
4285 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4287 (gen_subprogram_die): Don't abort on seeing a second definition if
4288 the previous one was abstract. Don't replace an abstract instance
4289 in the lookup table.
4291 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4292 gen_abstract_function.
4293 * dwarf2out.h: Declare it.
4294 * toplev.c (note_outlining_of_inline_function): New fn.
4295 * toplev.h: Declare it.
4296 * integrate.c (output_inline_function): Call it.
4297 * c-decl.c (duplicate_decls): Call it when redefining an extern
4298 inline. Don't inline the new defn.
4300 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4302 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4304 * .gdbinit: Rename to gdbinit.in.
4305 * gdbinit.in: New file,
4306 * configure.in: Generate .gdbinit from gdbinit.in.
4307 * configure: Regenerated.
4308 * Makefile.in (distclean): Always remove .gdbinit.
4310 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4312 * objc/objc-act.c (start_class): Register implemented_classes with
4315 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4317 * cppfiles.c (_cpp_make_system_header): Generate a file
4320 2001-02-15 Jim Meyering <meyering@lucent.com>
4322 * Makefile.in (install-common): Don't depend on installdirs here.
4323 Instead, make each of the lang.install-common targets (e.g.,
4324 c++.install-common in cp/Make-lang.in) depend on it.
4325 (install-driver): Depend on installdirs.
4327 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4329 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4331 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4334 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4336 * invoke.texi (--param): Document.
4338 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4340 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4342 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4344 * i386.md (extendsfdf2_2): Fix constraints.
4346 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4348 * i386.md (fop_df_3 splitter): Fix operand number.
4350 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4352 * invoke.texi (-mreg-alloc): Nuke.
4353 * i386.c (ix86_reg_alloc_order, regs_allocated,
4354 order_regs_for_local_alloc): Nuke.
4355 (override_options): Kill reg_alloc code.
4356 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4357 (REG_ALLOC_ORDER): SSE goes before I387.
4358 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4359 (ix86_reg_alloc_order): Likewise.
4360 * i386-protos.h (ix86_reg_alloc_order): Kill.
4362 2001-02-14 Richard Henderson <rth@redhat.com>
4364 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4366 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4368 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4370 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4372 * i386-protos.h (ix86_memory_move_cost): Move offline.
4373 * i386.c (ix86_register_move_cost): Compute properly cost of
4374 SSE, MMX and i387 instructions.
4375 (*_cost): Add costs of SSE/MMX moves.
4376 (ix86_memory_move_cost): Move offline from ....; Likewise.
4377 * i386.h (MEMORY_MOVE_COST): .... here;
4378 (struct processor costs): Add new fields to represent costs
4381 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4383 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4384 move_cost together with Matt Kraai's fix.
4386 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4388 * Makefile.in (OBJS): Add params.o.
4390 2001-02-14 Richard Henderson <rth@redhat.com>
4391 DJ Delorie <dj@redhat.com>
4393 * jump.c (jump_optimize_1): When we delete a conditional jump
4394 preceeding a non-conditional jump to effectively the same place,
4395 make sure that the combined jump skips any clobber insns between
4398 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4400 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4402 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4404 * Makefile.in (toplev.o): Depend on params.h.
4405 (intergate.o): Likewise.
4406 (params.o): New target.
4407 * flags.h (inline_max_insns): Remove.
4408 * integrate.c: Include params.h.
4409 Use MAX_INLINE_INSNS instead of inline_max_insns.
4410 * params.c: New file.
4411 * params.h: Likewise.
4412 * params.def: Likewise.
4413 * toplev.c: Include params.h.
4414 (lang_independent_params): New variable.
4415 (decode_f_option): Use the param machinery instead of setting
4417 (independent_decode_option): Handle "--param name=value".
4418 (main): Register language-independent parameters.
4420 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4422 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4424 2001-02-14 Richard Henderson <rth@redhat.com>
4426 * regclass.c (init_reg_sets_1): Revert last two changes.
4428 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4430 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4431 (variable_size): Call put_pending_size.
4432 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4433 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4434 sizes list, put newly created SAVE_EXPR there as well.
4436 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4438 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4439 (errata_find_address_regs): load_group has only 2 entries.
4440 (errata_emit_nops): Likewise. shladd is not problematic.
4441 Clear last_group if nop was emitted.
4442 (fixup_errata): load_group has only 2 entries.
4445 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4447 * c-lex.c (lex_number): Only warn traditionally for U suffix
4448 outside system macros.
4449 * cppexp.c (parse_number): Similarly.
4450 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4451 * cppmacro.c (struct cpp_macro): New member node.
4452 (parse_args): Only warn about missing rest args if not
4454 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4455 (cpp_sys_objmacro_p): New.
4456 (_cpp_create_definition): Store the node with the macro defn.
4457 Remember if the macro is defined in a system header.
4459 2001-02-13 DJ Delorie <dj@redhat.com>
4461 * configure.in (check_languages): determine languages to check
4462 * Makefile.in (check-c++): alias for check-g++
4463 (check-f77): alias for check-g77
4464 (CHECK_TARGETS): depend on configured languages
4466 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4468 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4469 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4470 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4471 (sqrtextendsfdf2): Disable for SSE2.
4473 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4475 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4476 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4477 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4478 (sqrtextendsfdf2): Disable for SSE2.
4480 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4482 * i386.md (movsfcc_1): Support integer cmove instruction.
4483 (movdfcc_1): Likewise; new splitter.
4485 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4487 * i386.c (output_fp_compare): Support SSE.
4488 (prepare_fp_compare_args): SSE comparisons always support memory.
4489 * i386.h (TARGET_CMOVE): SSE imply cmove.
4490 * i386.md (cmp?f2): Enable for SSE too.
4491 (cmpfp_i*): Support SSE.
4493 (cmpfp_i_sse_only): New.
4494 (s*, b* fp expanters): Enable for SSE too.
4495 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4498 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4500 * regclass.c (init_reg_sets_1): Silence warning.
4502 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4504 * i386.md (sqrt?f2): Change to expander.
4505 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4507 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4509 * rtlanal.c (find_reg_equal_equiv_note): New function.
4510 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4511 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4512 * rtl.h: Add declarations for above functions.
4514 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4516 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4518 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4519 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4520 * flow.c (mark_regs_live_at_end): Likewise.
4521 (calculate_global_regs_live): Likewise.
4522 * gcse.c (compute_hash_table): Likewise.
4523 (compute_kill_rd): Likewise.
4524 * resource.c (mark_target_live_regs): Likewise.
4525 * rtl.h (INVALID_REGNUM): New macro.
4527 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4529 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4531 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4533 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4536 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4538 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4540 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4541 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4542 (fop_sf_1_sse, fop_df_1_sse): New patterns
4543 (fop_*): Disable float_extend and float patterns for SSE compilation.
4544 * i386.c (output_387_binary_op): Support SSE.
4546 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4548 * i386.md (dummy_extendsfdf2): Support SSE2
4549 (extendsfdf2): Enable if 80387 or SSE2.
4550 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4551 and no MIX_I387_SSE2
4552 (extendsfdf2_1_sse_only): New pattern.
4553 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4555 (truncdfsf2_1): Support SSE.
4556 (truncdfsf2_2): Support SSE.
4557 (truncdfsf2_2_1_sse): New pattern.
4558 (fixtruncsfsi2): Always use SSE if available.
4559 (fix_truncsfsi_sse): New pattern.
4560 (fix_truncdfsi_sse): New pattern.
4561 (floatsis?f2): Support SSE.
4562 (floatsidf2_i387): New pattern.
4563 (floatsidf2_sse): Likewise.
4565 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4567 * configure.in: Use "have_gnat" variable, not "gnat".
4568 * configure: Regenerated.
4570 * config/sparc/sparc.c (function_value): Treat all non-record
4571 aggregate types like used to treat UNION_TYPE.
4573 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4575 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4576 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4578 (MASK_MIX_SSE_I387): New.
4579 (TARGET_SSE): SSE2 imply SSE.
4580 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4581 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4582 (enum reg_class): Add new classes.
4583 (REG_CLASS_NAMES): Likewise.
4584 (REG_CLASS_CONTENTS): Likewise.
4585 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4586 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4587 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4588 (CLASS_MAX_NREGS): Use new macros.
4589 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4590 * i386.md (pushsf, movsf): Support SSE.
4591 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4592 splitters to use ANY_FP_REGNO_P.
4593 (movdf_nointeger, movdf_integer): Likewise.
4595 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4597 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4598 (try_combine): Use it.
4600 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4602 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4603 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4604 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4605 (REGISTER_MOVE_COST): Likewise.
4606 * i386-protos.h (ix86_secondary_memory_needed,
4607 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4608 * i386.c (ix86_secondary_memory_needed,
4609 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4611 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4613 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4614 (HARD_REGNO_MODE_OK): Move offline to ....
4615 * i386.c (ix86_hard_regno_mode_ok) ... here;
4616 refuse all incorrect modes.
4617 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4619 2001-02-13 Richard Henderson <rth@redhat.com>
4621 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4622 entire operator; replicate that and match_dup the operands.
4623 (cmp_ccx_arith_op_set): Likewise.
4624 (cmp_cc_arith_op_not_set): Likewise.
4625 (cmp_ccx_arith_op_not_set): Likewise.
4627 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4629 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4631 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4633 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4634 (TARGET_NO_BITFIELD_WORD): New macro.
4635 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4636 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4638 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4640 * cselib.c: New file, from simplify-rtx.c.
4641 * simplify-rtx.c: Remove cselib parts.
4642 * Makefile.in: Add cselib.o.
4644 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4646 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4647 (setup_incoming_varargs): Remove warning.
4649 * config/rs6000/rs6000.c (validate_condition_mode): When
4650 flag_fast_math, allow floating-point conditionals to be reversed.
4651 (rs6000_generate_compare): When flag_fast_math, don't generate
4652 cror operations for FP conditionals.
4654 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4656 (ASM_SPEC): Likewise.
4657 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4658 (CC1_SPEC): Likewise.
4659 (LINK_TARGET_SPEC): Likewise.
4660 (CPP_ENDIAN_SPEC): Likewise.
4661 * Makefile.in (check-consistency): New target.
4663 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4665 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4666 "return type defaults" warning for functions with return type
4668 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4669 function declarations by default rather than only when pedantic.
4671 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4673 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4676 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4678 * extend.texi (Deprecated): Deprecate new initializer lists.
4680 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4682 * mkdeps.c (deps_add_default_target): Robustify. Add
4683 basename component only.
4684 * cpp.texi (-M): Describe how default target is generated.
4685 * invoke.texi (-M): Likewise.
4687 2001-02-12 Kazu Hirata <kazu@hxi.com>
4689 * toplev.c (push_float_handler): Remove.
4690 (pop_float_handler): Remove.
4691 * toplev.h: Remove prototypes for the above functions.
4693 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4695 * c-common.c (constant_fits_type_p): New function.
4696 (convert_and_check): Use it.
4698 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4700 * Makefile.in (GXX_ABI_FLAG): Don't define.
4701 * configure.in (--enable-new-gxx-abi): Remove option.
4702 * config.in: Regenerated.
4703 * configure: Likewise.
4705 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4707 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4709 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4710 regular basic block, and arrange for all edges into it to switch
4713 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4715 * Makefile.in (distclean): Do not remove .gdbinit.
4717 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4719 * Makefile.in (gcc.o): Fix typos.
4720 (protize.o): Likewise.
4721 (unprotoize.o): Likewise.
4723 2001-02-11 Richard Henderson <rth@redhat.com>
4725 * tree.c (build1): Check for null operand in last change.
4727 2001-02-11 Richard Henderson <rth@redhat.com>
4729 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4730 (fold): Don't assume a constant isn't foldable.
4731 * tree.c (build): Set TREE_CONSTANT for an expression with no
4732 side-effects and constant operands.
4735 2001-02-10 Richard Henderson <rth@redhat.com>
4737 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4739 2001-02-10 Anthony Green <green@redhat.com>
4741 * cpp.texi (Standard Predefined): Add documentation for
4744 * c-common.c (combine_strings): Improve warning message.
4746 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4748 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4750 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4752 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4754 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4757 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4759 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4762 2001-02-09 Nick Clifton <nickc@redhat.com>
4764 * config/arm/arm.md: Change output contraint on post inc
4765 load/store multiple patterns to be a read/write contraint.
4767 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4769 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4770 .o files when using the -M options.
4772 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4773 David Edelsohn <edelsohn@gnu.org>
4775 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4776 handle DImode constants. Use one TOC entry for SImode and smaller
4777 constants, aligned properly.
4779 2001-02-08 Jason Merrill <jason@redhat.com>
4781 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4782 about the SP adjustment for saving the static chain pointer.
4783 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4784 offset when setting a temporary CFA register.
4786 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4788 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4789 powerpc-*-chorusos* .
4790 * config/rs6000/chorus.h : New file.
4791 * config/i386/chorus.h : New file.
4792 * config/sparc/chorus.h : New file.
4793 * config/sparc/t-chorus-elf : New file.
4795 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4797 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4798 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4799 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4800 (__WCHAR_TYPE__): Correct macro name.
4802 2001-02-08 Richard Henderson <rth@redhat.com>
4804 * config/i386/i386.c (ix86_frame_pointer_required): New.
4805 (ix86_setup_frame_addresses): New.
4806 (struct machine_funciton): Add accesses_prev_frame.
4807 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4808 ix86_frame_pointer_required.
4809 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4810 (SETUP_FRAME_ADDRESSES): New.
4811 * config/i386/i386-protos.h: Update.
4812 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
4813 from FRAME_POINTER_REQUIRED.
4814 * config/i386/svr3gas.h: Likewise.
4815 * config/i386/sysv3.h: Likewise.
4816 * config/i386/v3gas.h: Likewise.
4818 2001-02-08 Richard Henderson <rth@redhat.com>
4820 * config/sparc/sparc.c (function_arg_record_value_3): Fix
4821 calculation of the number of integer registers required.
4822 (function_arg_record_value): Likewise.
4824 2001-02-08 Jason Merrill <jason@redhat.com>
4826 * diagnostic.c (internal_error): Say "confused" after 1 error, not
4827 two. Print file and line with "confused" message.
4829 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
4831 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4833 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
4835 2001-02-08 Bernd Schmidt <bernds@redhat.com>
4837 * final.c (cleanup_subreg_operands): The address of a MEM can
4840 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
4843 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
4845 * gcc.texi (Incompatibilities): Update documentation of
4846 preprocessing numbers.
4848 2001-02-07 Jakub Jelinek <jakub@redhat.com>
4850 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
4852 2001-02-07 Mark Mitchell <mark@codesourcery.com>
4854 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
4856 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
4857 * gcc.c (struct compiler): Add cpp_spec field.
4858 (input_file_compiler): New variable.
4859 (do_spec_1): Allow a particular compiler to handle `%C'
4861 (main): Store the current compiler in input_file_compiler.
4862 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
4864 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
4866 * cpphash.h (struct spec_nodes): Add n_true and n_false.
4867 * cppinit.c (cpp_create_reader): Initialize them.
4868 (append_include_chain): cxx_aware arg might be unused.
4869 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
4870 keywords and give them their phase 7 meaning. Pedwarn about
4871 this unless '__bool_true_false_are_defined' is defined.
4873 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4875 * lcm.c (optimize_mode_switching): Emit mode_set before the
4876 JUMP_INSN of an abnormal edge.
4878 2001-02-07 Bernd Schmidt <bernds@redhat.com>
4880 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
4881 a scheduling barrier at the end.
4883 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4885 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4887 * config/sh/sh.md (reload_outsf): Removed.
4888 (movsf_ie): Introduce constraints for FPUL loads and stores.
4889 (reload_insf): Broaden the output constraint.
4891 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4893 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4894 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4896 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4898 * final.c: Revert my previous changes.
4899 * output.h: Make profile_label_no extern.
4900 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4901 for generating label.
4903 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4905 * config/i386/djgpp.h: Add comments about standard paths.
4906 (MD_EXEC_PREFIX): Undefine before defining.
4907 (MD_STARTFILE_PREFIX): New.
4909 2001-01-30 Bruce Korb <bkorb@gnu.org>
4911 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4912 (load_file): do not rely on load_file_data() to close file pointer
4913 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4914 fixinc/inclhack.def(irix_limits_const): add test_text
4916 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4918 * cppexp.c (parse_defined): Improve diagnostics for invalid
4921 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4923 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4925 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4927 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4928 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4929 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4930 (rs6000_output_symbol_ref): New function.
4931 (output_toc): Use VTABLE_NAME_P.
4933 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4935 * print-tree.c (print_node, case PARM_DECL):
4936 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4938 * stor-layout.c (reference_types_internal): New variable.
4939 (internal_reference_types): New function.
4940 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4941 * tree.h (internal_reference_types): New declaration.
4943 * cse.c (find_best_addr): Fix typo in computing cost.
4945 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4947 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4948 and this is the sum of a pointer and a constant, we know the result
4950 (num_sign_bit_copies, case PLUS): Likewise.
4951 * explow.c (convert_memory_address): Remove opposite SUBREG.
4952 * function.c (instantiate_new_reg): New function (from common code).
4953 (instantiate_virtual_regs_1): Call it.
4954 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4955 if pointers sign- or zero-extend.
4956 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4957 If pointers extend unsigned, use inside of SUBREG.
4958 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4960 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4962 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4963 subdir of gcc_gxx_include_dir.
4964 (gcc_gxx_target_include_dir): Remove.
4966 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4968 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4969 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4970 a high-level description.
4972 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4974 * final.c: Move the declaration of profile_label_no to ...
4975 * output.h: ... here.
4976 * function.c (expand_function_start): Call PROFILE_HOOK.
4977 * config/rs6000/aix.h: Define PROFILE_HOOK.
4978 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4979 * config/rs6000/rs6000.c (output_profile_hook): Define.
4980 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4981 output_profile_hook.
4982 tm.texi : Explain new macro PROFILE_HOOK.
4984 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4986 * extend.texi (Extended Asm): Do not say that semicolon is always
4987 a valid line-breaking character for GNU assemblers. Use
4988 newline-tab as the most commonly supported syntax. Use
4989 newline-tab rather than semicolon in multi-insn examples.
4991 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4993 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4995 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4996 David Edelsohn <edelsohn@gnu.org>
4998 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4999 code for AIX, even without flag_pic.
5001 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5003 * c-typeck.c (common_type): push and pop binding level around
5004 calling common_type on function parameters.
5006 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5008 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5010 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5012 * config/mips/mips.c (override_options): Fix typo in last change.
5013 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5014 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5016 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5018 * invoke.texi (-fdump-class-layout): Document.
5019 (-fdump-translation-unit): Use `=' as filename separator.
5021 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5023 * Makefile.in (s-mlib): Don't build multilibs if
5025 (DRIVER_DEFINES): Adjust accordingly.
5027 (protoize.o): Likewise.
5028 (unprotoize.o): Likewise.
5029 * configure.in: Recognize --enable-multilib.
5031 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5033 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5035 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5036 * configure.in: Remove --enable-libstdcxx_v3 support.
5037 * configure: Regenerated.
5039 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5041 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5042 Call abort instead of fatal.
5043 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5044 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5045 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5046 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5047 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5048 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5050 * diagnostic.h (set_internal_error_function): Renamed.
5051 * toplev.h (internal_error): Renamed from fatal.
5052 (pfatal_with_name): Deleted.
5053 (fatal_io_error): Now has printf-style arguments.
5054 * diagnostic.c (pfatal_with_name): Deleted.
5055 (fatal_io_error): Rework to have args in printf-style.
5056 (set_internal_error_function): Renamed from set_fatal_function.
5057 (internal_error): Renamed from fatal.
5058 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5059 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5060 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5061 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5062 * flow.c (verify_flow_info): Likewise.
5063 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5064 * config/mips/mips.c (save_restore_insns): Likewise.
5066 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5067 * flow.c (verify_flow_info): Likewise.
5068 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5069 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5070 (avr_normalize_condition): Likewise.
5071 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5072 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5073 (limit_reload_class, double_reg_to_memory): Likewise.
5074 (print_operand_address, emit_1600_code_shift): Likewise.
5075 (gen_tst_reg, gen_compare_reg): Likewise.
5076 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5077 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5079 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5081 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5082 * objc/objc-act.c (build_ivar_chain): Likewise.
5083 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5085 * graph.c (clean_graph_dump_file): Likewise.
5086 * profile.c (init_branch_prob): Likewise.
5087 * objc/objc-act.c (objc_init): Likewise.
5089 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5090 * config/avr/avr.c (avr_override_options): Likewise.
5091 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5092 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5093 * config/h8300/h8300.c (h8300_init_once): Likewise.
5094 * config/mips/mips.c (override_options): Likewise.
5095 * config/i386/i386.c (override_options): Likewise, rework.
5096 * config/m68k/m68k.c (override_options): Likewise.
5098 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5100 * config/mips/mips.c (print_operand): Likewise.
5101 * hash.c (hash_allocate): Don't check for failure returns from
5102 obstack functions that can't fail.
5103 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5104 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5105 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5106 (get_object_reference): Likewise.
5108 2001-02-04 Nick Clifton <nickc@redhat.com>
5110 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5111 StrongARM1110, 10TDMI, and 1020T.
5113 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5115 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5117 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5119 * config/sh/sh.md (movdf load split): Pass register number to
5120 FP_OR_XD_REGISTER_P.
5122 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5124 * cppinit.c (BC): New macro.
5125 (builtin_array): Add __GXX_WEAK__.
5126 * cpplib.h (builtin_type): Add BT_WEAK.
5127 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5128 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5129 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5131 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5133 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5135 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5137 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5138 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5140 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5142 * cpphash.h: Rename ALIGN _ALIGN.
5143 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5145 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5147 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5148 compilation environment.
5149 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5150 control over location of cygwin includes and libs.
5152 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5154 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5156 2001-02-02 lars brinkhoff <lars@nocrew.org>
5158 * md.texi (Standard Names): remove reference to spur.md.
5160 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5162 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5163 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5164 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5165 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5166 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5168 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5170 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5171 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5172 number before reload.
5173 (c4x_adjust_cost): Return zero before reload.
5174 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5175 split before reload.
5177 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5179 * c4x.c (c4x_hard_regno_rename_ok): New.
5180 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5181 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5183 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5185 * diagnostic.h: Add missing "extern" in all declarations.
5187 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5189 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5190 as for gcc_gxx_include_dir.
5192 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5194 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5196 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5198 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5199 label before alignment to be used as the braf base address.
5200 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5202 (casesi_jump_2): Require at least TARGET_SH2.
5204 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5205 truncation to 32-bit doubles on -m3e and -m4-single-only.
5207 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5209 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5210 the default when building a shared object.
5211 (init_spec): Use it.
5212 * testsuite/lib/g++.exp: Include the directory where libgcc
5213 is located to the LD_LIBRARY_PATH list.
5214 * invoke.texi (-shared-libgcc): Document the cases in which
5215 GCC defaults to using the shared libgcc.
5217 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5219 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5220 unsigned is wide enough.
5222 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5223 (si_to_float): Likewise.
5224 (float_to_si, float_to_usi): Use BITS_PER_SI.
5226 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5228 * dwarf2out.c: Added explanation of abbreviations.
5229 (def_cfa_1): Added comments listing DWARF2 instructions.
5230 (cfa_temp_reg): Removed in favor of cfa_temp.
5231 (cfa_temp_value): Removed in favor of cfa_temp.
5232 (cfa_temp): New global variable.
5233 (dwarf2out_frame_debug_expr): Added extensive introductory
5234 comments explaining the function's transformations. Revised to
5235 use cfa_temp. Added some rtx checking. Generalize IOR case.
5236 (dwarf2out_frame_debug): Revised to use cfa_temp.
5237 (output_aranges): Cast as "unsigned" to avoid warning.
5238 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5239 explain which instructions must be marked.
5241 2001-02-01 Richard Henderson <rth@redhat.com>
5243 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5246 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5248 * config/sh/crt1.asm (main_k): Modified so that start calls
5249 ___setup_argv_and_call_main.
5251 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5253 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5254 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5255 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5256 * cppmacro.c (builtin_macro): Set builtin flags here.
5257 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5258 (replace_args): Clarify intent.
5259 (cpp_get_token): Macro expansion tokens get the saved flags.
5261 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5264 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5266 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5269 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5271 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5272 returns Pmode pseudo, but we need ptr_mode.
5273 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5274 Remove bogus conversions; use HOST_WIDE_INT for size.
5275 Don't use TARGET if wrong mode.
5277 * config/i386/i386.c (ix86_compute_frame_size): Allow
5278 stack_alignment_needed to be non-default even if size is zero.
5280 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5282 * pa.c (hppa_init_pic_save): New function.
5283 * pa.h (hppa_init_pic_save): Declare.
5284 * pa.md (call, call_value, sibcall, sibcall_value): Use
5285 the above instead of duplicated code.
5287 * pa.c (hppa_encode_label): Correct size of alloca buffer
5288 so we don't overrun it. Correct leading `*' case.
5289 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5290 need to handle `*@'.
5291 (FUNCTION_NAME_P): Likewise.
5293 2001-01-31 Richard Henderson <rth@redhat.com>
5295 * config.gcc (alpha-osf5): Use float-i128.h.
5297 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5298 * config/float-i32.h: Likewise.
5299 * config/float-i64.h: Likewise.
5300 * config/float-sh.h: Likewise.
5301 * config/float-sparc.h: Likewise.
5303 2001-01-31 DJ Delorie <dj@redhat.com>
5305 * expmed.c (extract_bit_field): allow non-integral modes if we
5306 want to extract a whole register from itself.
5308 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5310 * c-typeck.c (set_init_index): If first is equal to last, assume as
5311 if it was not a range at all.
5313 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5315 * config/fp-bit.c: Include tm.h.
5316 (float_to_si): Don't assume SImode is 32-bits wide.
5317 (float_to_usi): Likewise.
5319 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5321 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5323 (typename): Call pending_xref_error after parsing typed_typespecs.
5324 * c-decl.c (lookup_tag): Give error immediately rather than
5325 leaving it pending if the tag of the wrong type is in the same
5327 (xref_tag): Don't pedwarn for forward declarations of enum types
5329 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5332 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5334 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5336 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5338 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5339 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5341 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5343 * cpphash.h (struct cpp_reader): New saved_flags.
5344 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5345 to avoid a paste after a pasted token.
5347 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5349 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5350 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5351 Wtype_MIN instead of LONG_MIN.
5353 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5355 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5357 * fixinc/fixincl.x: Regenerated.
5358 * fixinc/inclhack.def (irix_limits_const): New definition to
5359 convert "const" to "__const" in limits.h.
5361 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5363 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5365 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5367 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5368 when register dies in the insn.
5370 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5372 * diagnostic.c (fatal): Fix word wrap.
5374 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5376 * combine.c (try_combine): Fix SUBREG setting for
5377 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5379 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5381 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5384 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5386 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5388 * toplev.c (decode_W_option): Update warn_larger_than
5389 unconditionally for each processed switch.
5391 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5393 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5395 (hppa_expand_prologue): Delete code to save pic offset table register
5396 in the function prologue.
5397 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5398 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5399 table register at the beginning of the function after the prologue.
5401 2001-01-29 lars brinkhoff <lars@nocrew.org>
5403 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5405 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5406 Jeff Law <law@redhat.com>
5408 * pa.md (return): Revise comment for trivial return.
5409 (return_internal): Non-trivial return pattern for non-PIC code.
5410 (return_internal_pic): Non-trivial return pattern for PIC code.
5411 It uses the PIC register to ensure it is restored after
5413 (epilogue): Generate appropriate return for PIC and non-PIC code.
5415 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5417 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5419 2001-01-29 DJ Delorie <dj@redhat.com>
5421 * combine.c (if_then_else_cond): Pass the correct mode to
5422 operand_subword() for constants.
5424 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5426 * config/i386/cygwin.h: Add w32api to include search. Search different
5427 directories in a cross-build environment.
5429 2001-11-29 Tim Josling <tej@melbpc.org.au>
5431 * tree.h (TYPE_STUB_DECL): Add documentation.
5433 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5435 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5436 (sdbout_field_types): Likwise. Fix use of host_integerp.
5438 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5440 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5443 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5445 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5446 to use flag_gnu_linker.
5448 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5450 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5451 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5453 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5455 * tree.c, tree.h (build_parse_node): Remove; was identical to
5457 * c-lang.c (start_cdtor), objc/objc-act.c
5458 (build_module_descriptor): Use build_nt instead of
5461 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5463 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5464 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5465 not have any upper bits set.
5467 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5469 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5471 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5473 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5475 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5477 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5478 (integer_minus_one_node): Define.
5480 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5482 * Makefile.in (bootstrap2-lean): Fix typo.
5484 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5486 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5487 : Don't set fe_value.
5488 * cpplib.h (AVOID_LPASTE): New flag.
5489 (struct cpp_hashnode): Remove fe_value.
5490 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5491 * cppmacro.c (builtin_macro): Don't set flags here.
5492 (replace_args): Set AVOID_LPASTE flag on first token of an
5493 argument, and the token following it.
5494 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5495 macro expansion, and on the token following it. Do it for
5497 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5499 2001-01-27 Richard Henderson <rth@redhat.com>
5501 * config/alpha/t-ieee: Remove multilibbing.
5502 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5504 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5506 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5508 * Makefile.in: Remove all dependencies on defaults.h.
5509 * builtins.c: Don't include defaults.h.
5510 * c-common.c: Likewise.
5511 * c-decl.c: Likewise.
5512 * c-pragma.c: Likewise.
5513 * c-typeck.c: Likewise.
5514 * combine.c: Likewise.
5516 * frame-ia64.c: Likewise.
5517 * cppexp.c: Likewise.
5518 * crtstuff.c: Likewise.
5519 * dbxout.c: Likewise.
5520 * dwarf2out.c: Likewise.
5521 * dwarfout.c: Likewise.
5522 * emit-rtl.c: Likewise.
5523 * except.c: Likewise.
5525 * final.c: Likewise.
5526 * frame-dwarf2.c: Likewise.
5527 * libgcc2.c: Likewise.
5528 * optabs.c: Likewise.
5529 * profile.c: Likewise.
5530 * sdbout.c: Likewise.
5531 * toplev.c: Likewise.
5532 * tradcif.y: Likewise.
5534 * varasm.c: Likewise.
5536 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5538 * builtins.c (expand_builtin_fputs): Use size_one_node when
5539 transforming into fwrite.
5541 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5543 * extend.texi (Attribute Syntax): New section.
5545 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5547 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5548 they didn't need fixing.
5550 2001-01-27 Janis Johnson <janis@us.ibm.com>
5552 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5554 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5555 to remove macro definitions that are duplicated from elfos.h.
5557 2001-01-27 Richard Henderson <rth@redhat.com>
5559 * config/i386/sco5gas.h: Move ...
5560 * config/usegas.h: ... here.
5561 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5563 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5565 * c-typeck.c (struct constructor_stack): Add range_stack member.
5566 (really_start_incremental_init): Clear it.
5567 (push_init_level): Save constructor_range_stack and clear it if
5568 pushing explicit braces.
5569 (pop_init_level): abort if constructor_range_stack is non-zero at
5570 explicit closing brace. Restore saved constructor_range_stack if
5573 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5575 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5576 into register was forced into memory.
5578 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5580 * Makefile.in: Remove uses of + before $(MAKE).
5582 2001-01-26 Richard Henderson <rth@redhat.com>
5584 * stmt.c (cost_table): Remove.
5585 (COST_TABLE, cost_table_initialized): New.
5586 (estimate_case_costs): Use the later instead of the former.
5587 (balance_case_nodes): Likewise.
5589 2001-01-26 Richard Henderson <rth@redhat.com>
5591 * alias.c (objects_must_conflict_p): Read-only slots may not
5592 conflict despite having the same type.
5594 2001-01-27 Michael Hayes <mhayes@redhat.com>
5596 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5598 (check_ext_dependant_givs): Initialise u_start_val and
5600 (load_mems): Make last_max_reg unsigned.
5601 (try_swap_copy_prop): Use INSN_P and initialise set.
5603 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5605 * README.AVR : Removed.
5607 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5609 * pa-64.h (text_section): Remove declaration.
5611 * pa.md (return_internal): Remove mode on PIC register use.
5613 2001-01-25 lars brinkhoff <lars@nocrew.org>
5615 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5616 ASM_CLOSE_PAREN): fix typos.
5618 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5620 * acconfig.h: Define `const' to the empty string if neither
5621 __STDC__ nor __cplusplus is defined.
5622 * config.in: Regenerated.
5624 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5626 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5627 * collect2.c (main): Delete importf. Add ".obj" file extension.
5628 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5629 (aix_std_libs): Add additional AIX libraries to skip.
5630 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5631 * config/rs6000/aix51.h: New file.
5633 2001-01-25 Michael Hayes <mhayes@redhat.com>
5635 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5636 (loop_insn_emit_before): No longer static.
5637 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5638 (loop_givs_rescan, load_mems): Likewise.
5639 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5640 (maybe_eliminate_biv_1):
5641 (move_movables): Replace emit_call_insn_before with
5642 loop_call_insn_hoist.
5643 * loop.h (loop_insn_emit_before): Add.
5644 * unroll.c (copy_loop_body): Replace emit_insn_before with
5645 loop_insn_emit_before.
5647 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5649 * diagnostic.c (fatal): Request preprocessed source.
5651 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5653 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5654 olddecl has argument types and newdecl has none, use the argument
5657 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5659 * dwarf2out.c (prefix_of): New function. Determine longest common
5660 prefix of the two arguments. The units are whole path components.
5661 (output_file_names): When adding a new directory find the one entry
5662 with the longest common prefix already in the list. Artificially
5663 generate entry if there is none for this prefix.
5664 Fix test to check whether the zeroth directory entry is used.
5666 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5668 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5669 Changed all callers. Take it into account when deciding if a
5670 previously loaded value matches.
5672 2001-01-24 Richard Henderson <rth@redhat.com>
5674 * reload.c (find_reloads_subreg_address): Fail the substitution
5675 if the resulting address is insufficiently aligned.
5677 2001-01-24 DJ Delorie <dj@redhat.com>
5679 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5680 check the original operand's mode also.
5681 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5683 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5685 * c-parse.in (cast_expr): Move compound literals from here ...
5686 (primary): ... to here. Use standard terminology "compound
5687 literal" instead of "constructor expression".
5689 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5691 * gcc.1, cpp.1: Regenerate.
5693 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5695 * calls.c (emit_library_call_value_1): Memory slot for
5696 pass-by-reference argument should have the mode of the argument,
5697 not of the pointer to it.
5699 2001-01-24 Tom Tromey <tromey@redhat.com>
5701 * gcc.texi (G++ and GCC): Mention gcj manual.
5702 (Standards): Link to section of manual mentioning gcj/Java
5705 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5707 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5708 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5709 * tradcpp.c (main): Add -imacros or -include'd dependencies
5711 * cpp.texi (-M, -MM): Document -M -include behaviour.
5713 2001-01-24 Roger Collins <roger@ProProject.com>
5715 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5717 2001-01-24 Will Cohen <wcohen@redhat.com>
5719 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5720 whether registers are 32 bits or 64 bits in size.
5722 2001-01-24 Ben Elliston <bje@redhat.com>
5724 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5726 2001-01-24 Richard Henderson <rth@redhat.com>
5728 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5729 (builtin_longjmp): Use it instead of emit_indirect_jump.
5731 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5733 * bb-reorder.c (make_reorder_chain_1): Handle case where
5734 jump edge goes to the same block as the fallthru edge.
5736 2001-01-23 Jim Wilson <wilson@redhat.com>
5738 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5739 * frame.h (__ia64_personality_v1): Add prototype.
5740 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5741 prototype form. Add void * cast to first argument to personality
5743 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5744 (asctoe113): Likewise.
5745 * config/ia64/frame-ia64.c: Include eh-common.h.
5746 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5748 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5750 (itanium_split_issue): Add prototype.
5751 (gen_nop_type): Ifdef out.
5752 (find_best_packet): Initialize best_packet.
5753 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5755 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5756 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5757 (flushrs): Add explicit stop bit at end.
5758 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5761 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5763 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5765 * libgcc2.c (__terminate_func): Make variable static.
5766 (__terminate_set_func): New function to set __terminate_func.
5767 * libgcc2.h (__terminate_func_ptr): New typedef.
5768 (__terminate_set_func): New function.
5770 2001-01-23 Richard Henderson <rth@redhat.com>
5772 * flow.c (init_propagate_block_info): Don't consider unchanging
5773 memories for dead frame store elimination.
5775 2001-01-23 Richard Henderson <rth@redhat.com>
5777 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5778 * defaults.h: ... here.
5780 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5782 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5784 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5786 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5788 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5790 * rs6000.h (rs6000_return_addr): Move prototype from here...
5791 * rs6000-protos.h (rs6000_return_addr): ...to here.
5792 (rs6000_init_expanders): Delete prototype.
5794 2001-01-23 Nick Clifton <nickc@redhat.com>
5796 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5797 (Spec Files): Document %B and %j and %. and %v3 and %M and
5798 %{S*&T} spec switches.
5800 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5802 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5804 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5805 Neil Booth <neil@daikokuya.demon.co.uk>
5807 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5808 Have -Werror make pedantic warnings errors, like the
5811 2001-01-23 Phil Edwards <pme@sources.redhat.com>
5813 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
5815 2001-01-23 Jakub Jelinek <jakub@redhat.com>
5817 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
5818 * integrate.c (expand_inline_function): Initialize them.
5819 (subst_constants): If changing COMPARE so that both its arguments
5820 will be VOIDmode and the comparison mode will be lost, note
5821 compare_mode. Use the recorded compare_mode to optimize
5824 2001-01-23 Jason Merrill <jason@redhat.com>
5826 * dwarf2out.c (new_die): Use xcalloc.
5827 (output_die): Abort rather than emit a local reference to offset 0.
5829 2001-01-17 Andrew Haley <aph@redhat.com>
5831 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
5832 of a saved register; return NULL instead.
5833 (copy_reg): Take a pointer to a source register rather than a
5835 (next_stack_level): Remember the address in the stack frame of all
5837 Use the saved register pointer array as the source of the CFA.
5838 (throw_helper): Rewrite. Unwind once rather than twice and keep
5839 track of saved registers as we go.
5841 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5843 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
5844 * c4x.c (c4x_legitimize_reload_address): Remove.
5845 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
5846 reload address for ldp(k) insn.
5848 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
5850 * pa.md (return_internal): Add a USE of the PIC register to ensure
5851 it is restored after each call.
5852 (return expander): Corresponding changes.
5854 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5856 * rs6000.h (INIT_EXPANDERS): Delete.
5857 (RETURN_ADDR_RTX): Call rs6000_return_addr().
5858 * rs6000.c (rs6000_override_options): Call *_machine_status from
5860 (rs6000_init_expanders): ...instead of here. Delete.
5861 (rs6000_mark_machine_status): New function.
5862 (rs6000_init_machine_status): Use xcalloc.
5863 (rs6000_return_addr): Generate RTX for the return address.
5864 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
5865 (rs6000_stack_info): Use it.
5867 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
5869 * gthr-win32.h: Include errno.h to get a declaration for
5870 EINVAL and _mingw.h if the target is mingw32.
5872 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
5874 * cpp.texi: Correct typos.
5876 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5878 * explow.c (probe_stack_range): Ensure value passed to
5879 stack_check_libfunc is ptr_mode, not Pmode.
5881 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5883 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5884 case, don't use operand_subword to calculate a SUBREG that is
5887 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5889 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5891 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5892 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5893 valid. If not replace it by equivalent insns.
5895 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5897 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5898 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5899 (c4x_U_constraint, symbolic_address_operand): Likewise.
5900 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5902 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5903 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5904 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5905 anulling slot because of silicon bug.
5906 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5908 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5910 * cppexp.c (parse_charconst): Change `mask' type to agree
5913 2001-01-21 Richard Henderson <rth@redhat.com>
5915 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5916 pic_label_name in a linkonce section.
5918 2001-01-17 Philipp Thomas <pthomas@suse.de>
5920 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5922 * configure: Regenerate.
5924 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5926 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5927 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5929 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5931 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5932 If REVERSE nonzero then condition code in X must be reversed.
5933 (encode_section_info): Optimise if/else.
5934 (avr_function_value): Fix formatting.
5936 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5937 (difficult_branch): Likewise.
5938 (rvbranch): Likewise.
5939 (difficult_rvbranch): Likewise.
5941 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5943 * config/avr/libgcc.S: Fix comment.
5945 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5947 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5949 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5951 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5953 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5955 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5956 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5957 * configure, config.in: Regenerate.
5958 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5959 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5960 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5961 (doprint.o): New rule.
5963 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5965 * c-typeck.c (digest_init): Handle boolean types as scalars.
5967 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5969 * stmt.c (expand_return): Don't return anything if size is zero.
5970 Delete redundant assignment to BYTES.
5971 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5973 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5975 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5976 the same as the default library function names.
5977 * config/avr/avr.md: Document special characters after '%'.
5978 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5979 knowing which of the call-used registers are really clobbered.
5980 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5981 New. Both quotient and remainder from one libgcc.S call.
5982 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5983 clobber as few registers as possible.
5984 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5986 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5988 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5989 context of the top of the stack.
5991 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5993 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5994 (fixup_var_refs_insns): ...here.
5996 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5998 * function.c (fixup_var_refs_insns): Break up into
5999 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6000 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6001 [loop over hash table entries].
6002 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6003 fixup_var_refs_insns_with_hash, to match above changes.
6005 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6007 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6008 (libgcc.a): Likewise.
6009 (stmp-multilib): Likewise.
6010 (STAGE2_FLAGS_TO_PASS): Likewise.
6012 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6014 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6015 temporary if no_new_pseudos.
6017 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6019 * cppinternals.texi: Update.
6021 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6023 * arm.c (arm_init_builtins): Re-enable builtins.
6025 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6027 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6028 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6029 element to be null, and always expect an EXPR_LIST.
6030 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6031 * sched-deps.c (sched_analyze_1): Likewise.
6032 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6034 * regclass.c (max_set_parallel): New variable.
6035 (reg_scan): Take it into account in computation of max_parallel.
6036 (reg_scan_mark_refs, case SET): Compute it.
6038 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6040 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6041 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6043 2001-01-19 Jason Merrill <jason@redhat.com>
6045 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6046 for the abstract instance of an inline function.
6048 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6049 J"orn Rennecke <amylaar@redhat.com>
6051 * reload1.c (move2add_note_store): Treat all registers directly or
6052 indirectly derived from a base register as members of the same set
6054 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6055 of base register into account.
6057 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6059 * alias.c (find_base_value): Recognize TRUNCATE.
6060 (record_set): In PLUS case, invalidate if other summand is also a
6063 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6065 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6066 entry to be EXPR_LIST.
6067 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6068 be an EXPR_LIST (but not null, which other code doesn't allow).
6069 (note_stores): Properly handle PARALLEL in SET.
6070 Recursively call for top-level PARALLEL.
6071 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6072 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6074 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6076 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6078 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6079 not pfile->skipping (== 0).
6081 2001-01-17 Nick Clifton <nickc@redhat.com>
6083 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6086 2001-01-17 Jim Wilson <wilson@redhat.com>
6088 * invoke.texi (IA-64 options): Improve.
6090 2001-01-17 Tom Tromey <tromey@redhat.com>
6092 * invoke.texi (Optimize Options): Use `{}' to around @samp
6095 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6097 * invoke.texi (-fno-guess-branch-probability): New option.
6099 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6101 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6102 case of making new double-word constant.
6103 Revert last change: instead just test i3_subst_into_i2.
6105 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6107 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6108 Use q constraints instead of r.
6110 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6112 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6113 (machine_function): Define.
6114 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6115 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6116 pa_free_machine_status): New functions.
6117 (override_options): Set {init,mark,free}_machine_status to above.
6118 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6119 PIC_OFFSET_TABLE_REGNUM_SAVED.
6120 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6121 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6122 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6123 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6124 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6126 2001-01-15 DJ Delorie <dj@redhat.com>
6128 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6132 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6134 * flow.c (propagate_on_insn): Make trying to delete a prologue
6135 or epilogue insn an ICE, not a warning. Allow doing this if
6136 the current function returns with stack pointer depressed.
6138 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6139 I3 having more than one SET.
6141 2001-01-16 Jim Wilson <wilson@redhat.com>
6143 * invoke.texi: Document IA-64 options.
6145 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6146 (fixup_errata): Delete TARGET_A_STEP use.
6147 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6148 (TARGET_SWITCHES): Delete -ma-step option.
6149 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6150 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6151 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6152 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6153 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6154 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6156 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6157 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6158 cmovsi_internal): Delete ! TARGET_A_STEP check.
6160 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6162 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6163 possibility to report bugs via postal mail. Change a URL and
6164 merge in a nearly duplicate statement...
6165 (Bug Reporting): ...from here.
6166 (Service): Refer to the Bug Reporting section instead of
6168 (Contributing): Remove trivial explanations concerning snapshots.
6170 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6172 * cppmain.c (general_init): Don't use ANSI prototype.
6174 2001-01-16 Tom Tromey <tromey@redhat.com>
6176 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6178 2001-01-16 Richard Henderson <rth@redhat.com>
6180 * config/i386/i386.h: Fix comment typo.
6181 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6182 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6184 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6186 * gcc.c: Revert previous -fsyntax-only-related change; move
6189 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6191 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6192 inmode after checking GET_CODE (op).
6194 2001-01-16 Richard Henderson <rth@redhat.com>
6196 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6197 (MAX_MEM_SET_LIST_LEN): New.
6198 (propagate_one_insn): Update mem_set_list_len.
6199 (invalidate_mems_from_autoinc): Likewise.
6200 (invalidate_mems_from_set): Likewise.
6201 (mark_used_regs): Likewise.
6202 (init_propagate_block_info): Likewise. Stop collecting memories
6203 when we reach MAX_MEM_SET_LIST_LEN.
6204 (mark_set_1): Likewise.
6206 2001-01-16 Richard Henderson <rth@redhat.com>
6208 * unroll.c (precondition_loop_p): Fail if no iteration
6211 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6213 * gcc.c: When -fsyntax-only is given, do not complain about
6216 2001-01-15 Richard Henderson <rth@redhat.com>
6218 * config/i386/i386.c (asm_output_function_prefix): Remove.
6219 (ix86_asm_file_end): New.
6220 (load_pic_register): Generate pic_label_name into a
6221 staticly allocated buffer.
6222 * config/i386/i386-protos.h: Update.
6223 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6224 (ASM_FILE_END): New.
6225 * config/i386/i386afe.h: New file.
6226 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6227 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6228 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6229 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6230 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6231 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6232 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6234 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6236 * Makefile.in (install-man): Remove explicit dependency on
6239 * configure.in, configure: Revert previous patch requiring perl
6242 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6244 * toplev.c (flag_guess_branch_prob): New.
6245 (f_options): Add guess-branch-probability option.
6246 (rest_of_decl_compilation): Only estimate branch probability if
6248 (main): set flag_guess_branch_prob.
6250 * flags.h (flag_guess_branch_prob): New.
6252 2001-01-15 DJ Delorie <dj@redhat.com>
6254 * gcc.texi (Makefile): Add documentation for Makefile targets.
6256 2001-01-15 Philip Blundell <philb@gnu.org>
6258 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6260 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6261 (is_pic): Delete declaration.
6262 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6263 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6264 * config/arm/arm.md (builtin_setjmp_receiver): New.
6266 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6268 * arm.c (use_return_insn): Don't try to determine the function type
6269 until after reload has completed.
6270 (arm_output_epilogue): Don't adjust the sp value recovered from the
6272 (emit_multi_reg_push): Don't record dwarf information for the pc.
6273 * arm.md (eh_epilogue): The function type may have changed, so it
6274 needs to be recalculated.
6275 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6276 unwind tables on arm/netbsd.
6278 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6280 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6281 (negated_cbranchsi4): Likewise.
6283 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6285 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6286 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6287 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6288 pass -mapcs-* options to assembler.
6289 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6290 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6291 (ASM_SPEC): Call subtarget_extra_asm_spec.
6293 2001-01-15 Andreas Jaeger <aj@suse.de>
6295 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6297 (ix86_expand_builtin): Likewise.
6299 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6300 warning about comparison between signed and unsigned.
6302 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6304 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6306 2001-01-14 Ralf Baechle <ralf@gnu.org>
6308 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6309 SUBTARGET_CPP_SPEC apropriatly.
6311 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6313 * varasm.c (make_decl_rtl): Fix typo in last change.
6315 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6317 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6318 linker supports the init_priority C++ attribute.
6319 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6320 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6321 linker does not support init_priority C++ attribute.
6323 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6325 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6327 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6329 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6330 * cp/lex.c (finish_parse): Similarly.
6331 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6332 Return the number of errors encountered.
6333 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6334 * cppmain.c (main): Don't call cpp_destroy.
6336 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6338 * configure.in: Require at least perl 5.6.0 to regenerate
6340 * configure: Regenerate.
6342 2001-01-14 Richard Henderson <rth@redhat.com>
6344 * genrecog.c (DT_veclen_ge): New.
6345 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6346 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6347 (nodes_identical_1): Handle DT_veclen_ge.
6348 (write_cond, debug_decision_2): Likewise.
6350 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6352 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6354 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6356 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6358 * cppmain.c (do_preprocessing): New function; most of the old
6360 (main): Call it to do most of the work.
6361 (cb): Move from global scope to set_callbacks ().
6362 (setup_callbacks): Get the callback pointer.
6363 (general_init, printer_init): Clean up code and comments.
6365 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6367 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6370 2001-01-14 Kazu Hirata <kazu@hxi.com>
6372 * config/h8300/h8300.c (get_shift_alg): Update comments.
6374 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6376 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6377 (alloc_page, ggc_alloc): Add casts to remove warnings.
6379 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6381 * combine.c (simplify_comparison): Don't change `code' when
6382 can't reverse comparison.
6384 2001-01-14 Richard Henderson <rth@redhat.com>
6386 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6387 update all call sites. Return true for all non-label constants.
6389 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6391 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6393 (ix86_expand_branch): Update.
6394 (ix86_expand_setcc): Update to handle multiple test conditions.
6395 (expand_int_movcc): Likewise.
6396 (expand_fp_movcc): Likewise.
6397 * i386-protos.h (ix86_expand_compare): New.
6398 * i386.md (andqi_?_slp, orqi_?_slp): New.
6399 (conditional trap expander): Update call to ix86_expand_compare.
6401 2001-01-14 Richard Henderson <rth@redhat.com>
6403 * config/vax/vax.md: Use nonimmediate_operand instead of
6404 general_operand in destinations.
6406 * config/vax/vax.md (indirect_jump): Use register_operand.
6408 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6409 * config/vax/vax.md (call_pop): Turn into an expander.
6410 (call_value_pop): Likewise.
6411 (call, call_value): New.
6413 2001-01-14 Andreas Jaeger <aj@suse.de>
6415 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6417 (ix86_fp_compare_mode): Add unused attribute.
6418 (ix86_expand_fp_movcc): Remove unused variable.
6419 (ix86_expand_builtin): Make fcode unsigned.
6421 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6422 (expand_expr): Add cast to avoid signed warning.
6423 (store_field): Likewise.
6424 (store_constructor_field): Likewise.
6425 (store_constructor): Likewise.
6426 (store_expr): Likewise.
6427 (clear_storage): Likewise.
6428 (emit_group_store): Likewise.
6429 (emit_group_load): Likewise.
6431 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6433 * c-common.c: Move format checking code to ...
6434 * c-format.c: ... here. New file. Reorder some functions and
6436 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6438 * c-common.h (decl_handle_format_attribute,
6439 decl_handle_format_arg_attribute): Declare.
6440 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6441 (c-common.o): Adjust dependencies.
6442 (c-format.o): New list of dependencies.
6444 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6446 * unroll.c (loop_iterations): If we cannot prove iteration variable
6447 is set once in each iteration, punt.
6449 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6451 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6452 (*strlenhi): Remove clobber (which was buggy) of output address.
6454 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6456 * Makefile.in (generated-manpages): Add gcc.1
6457 ($(srcdir)/gcc.1): New target.
6458 (maintainer-clean): Delete $(srcdir)/gcc.1.
6459 * gcc.texi: Add macros @gccoptlist and @gol.
6460 * invoke.texi: Include option summary in manpage. Mark up option
6461 summary with @gccoptlist and @gol. Use @r in one place where
6463 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6464 * gcc.1: Generate from invoke.texi.
6466 2001-01-13 Richard Henderson <rth@redhat.com>
6468 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6469 (struct page_entry): Add group member.
6470 (struct page_group): New.
6471 (struct globals): Add page_groups member.
6472 (alloc_anon): Only define for using mmap; remove valloc call.
6473 (page_group_index): New.
6474 (set_page_group_in_use): New.
6475 (clear_page_group_in_use): New.
6476 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6477 (free_page, release_pages): Likewise.
6478 * configure.in (with-gc): Default to ggc-page always.
6480 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6482 * reload1.c (replace_pseudos_in_call_usage): Use
6483 reg_equiv_constant and reg_equiv_address, and don't try
6484 regno_reg_rtx first.
6486 2001-01-13 Richard Henderson <rth@redhat.com>
6488 * ggc-page.c (alloc_page): Round up allocation size to one page.
6489 Set e->order on extra pages.
6491 2001-01-13 Richard Henderson <rth@redhat.com>
6493 * genrecog.c (nodes_identical): Expand commentary.
6494 (write_switch): Watch out for identical nodes.
6496 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6498 * cppfiles.c (_cpp_fake_include): New function.
6499 * cpphash.h (_cpp_fake_include): New.
6500 * cpplib.c (do_line): Call _cpp_fake_include when entering
6501 header files in preprocessed input.
6502 * cppmain.c (cb_pragma_implementation): Remove handling.
6503 (setup_callbacks): Don't register pragmas.
6505 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6507 * extend.texi: Udate for CPP.
6509 2001-01-13 Andreas Jaeger <aj@suse.de>
6511 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6513 * regmove.c: Add prototype for replace_in_call_usage.
6515 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6517 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6518 struct cpp_chunk, struct htab, struct toklist,
6519 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6520 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6521 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6522 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6523 (struct macro_args): Delete.
6524 * cpphash.h: See above.
6526 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6528 * cppmain.c (struct printer): Remove no_line_dirs.
6530 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6531 : Use options rather than CPP_OPTION.
6532 (setup_callbacks): Use cb rather than pfile->cb.
6533 (main): No need to check for a buffer. Use cpp_errors.
6534 (printer_init): Don't set no_line_dirs.
6535 (maybe_print_line): Use options not no_line_dirs.
6536 (cb_file_change): Don't call print_line if -P.
6538 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6540 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6542 * c-parse.in (finish_parse): Use cpp_errors.
6543 (__yylex): Use return value of cpp_pop_buffer.
6544 * cp/lex.c (finish_parse): Use cpp_errors.
6545 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6547 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6549 * README.AVR: URLs corrected.
6551 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6553 * c-decl.c (start_function): Don't warn if old prototype is builtin
6554 that's not in C's namespace.
6555 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6556 (_bb): Add prototype for ctime.
6557 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6559 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6561 * i386.c (ix86_fp_comparison_arithmetics_cost,
6562 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6563 ix86_fp_comparison_cost): New functions.
6564 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6565 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6566 two-branch sequences; make static.
6567 (ix86_use_fcomi_compare): Do decision according to the costs.
6568 (split_fp_branch): New.
6569 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6570 * i386-protos.h (ix86_expand_fp_compare): Remove
6571 (ix86_split_fp_branch): Declare.
6573 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6574 and ix86_comparison_operator.
6576 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6579 * i386.c (put_condition_code): Output properly the unordered/ordered
6580 compares in fp case.
6581 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6583 * tm.texi (REVERSE_CONDITION): Document.
6584 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6585 in -ffast-math mode.
6586 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6588 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6590 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6592 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6595 * config/sh/sh.c (mova_p): Fix test for mova_const.
6597 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6599 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6600 cpp_get_options rather than dereferencing pfile and using
6602 * scan-decls.c (scan_decls): Use return value of
6603 cpp_pop_buffer rather than CPP_BUFFER.
6605 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6607 * cppinit.c (cpp_handle_option): help_only is now part of the
6608 cpp_options structure.
6609 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6610 cpp_set_callbacks): New functions.
6611 * cpplib.h (cpp_callbacks): Break out as a named structure.
6612 (cpp_options): Move help_only here from cpp_reader.
6613 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6614 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6615 cpp_set_callbacks): New prototypes.
6616 * cppmain.c (main): Update for help_only.
6618 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6620 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6621 Also build and remove and install and uninstall c-tree.info and
6623 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6624 ($(srcdir)/cppinternals.info): New target.
6625 * c-tree.texi: Change file name used when makeinfo used without -o
6626 from ir.info to c-tree.info. Add info directory entry.
6627 * cppinternals.texi: Add info directory entry.
6628 * .cvsignore: Update.
6630 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6632 * c-typeck.c (store_init_value): Don't require constant initializer
6633 elements with -pedantic -std=c99.
6634 (digest_init): Change error about non-constant initializer elements
6636 (constructor_range_end): Remove.
6637 (constructor_incremental, designator_depth,
6638 designator_errorneous): New variables.
6639 (struct constructor_stack): Remove range_end, add incremental.
6640 (struct constructor_range_stack, constructor_range_stack): New.
6641 (struct initializer_stack): Add constructor_range_stack.
6642 (finish_init): Set it.
6643 (start_init): Likewise. require_constant_elements for non-static
6644 trees only if not flag_isoc99.
6645 (really_start_incremental_init): Remove constructor_range_end, add
6646 constructor_incremental.
6647 (pop_init_level): Likewise.
6648 (push_init_level): Likewise. If implicit and the subobject had some
6649 value set already, preinitialize the level with it.
6650 Warn about missing braces only if not pushing due to designators.
6651 (set_designator, push_range_stack): New functions.
6652 (set_init_label): Use them.
6653 (set_init_index): Likewise. Remove constructor_range_end.
6654 Error if designator index is outside of array bounds.
6655 (add_pending_init): Compare values of purpose index trees, not the
6656 trees themselves. Allow overwriting of already initialized element.
6657 Issue a warning if it had side-effects.
6658 (set_nonincremental_init, set_nonincremental_init_from_string): New
6660 (pending_init_member): Rename to...
6661 (find_init_member): ...this function. Call set_nonincremental_init
6662 if necessary. Compare values of purpose index trees, not the trees
6663 themselves. Return the actual value, not just non-zero if something
6665 (output_init_element): Remove checks for duplicates.
6666 If field has zero size, only check the initializer for correctness.
6667 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6668 if constructor_incremental is zero. Change error about initializers
6669 not computable at load time into pedwarn.
6670 (output_pending_init_elements): Compare bit positions, not
6671 FIELD_DECLs to take into account zero-sized fields.
6672 (process_init_element): Use constructor_range_stack to fill all
6673 ranges in the designator lists from current level up.
6674 * extend.texi: Update documentation for labeled elements.
6676 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6678 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6679 to function usage for arguments passed by reference. Optimize
6680 callee-copied arguments.
6681 * regmove.c (replace_in_call_usage): New function.
6682 (fixup_match_1): Call it.
6683 * cse.c (cse_insn): Canonicalize registers in function usage.
6684 * reload1.c (replace_pseudos_in_call_usage): New function.
6687 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6690 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6692 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6695 2001-01-12 DJ Delorie <dj@redhat.com>
6697 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6698 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6701 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6703 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6704 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6705 -std options alongside references to -ansi. Update some
6706 documentation for C99.
6707 * cpp.1: Regenerate.
6709 2001-01-12 Andreas Jaeger <aj@suse.de>
6711 * haifa-sched.c (restore_line_notes): Remove argument block B
6713 * sched-ebb.c (schedule_ebb): Change caller.
6714 * sched-rgn.c (schedule_region): Likewise.
6715 * sched-int.h (restore_line_notes): Adjust prototype.
6717 * loop.h: Remove wrong declaration of doloop_condition_get.
6719 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6721 * extend.texi: Move C++-extension-related node from the C section
6722 into the C++ section.
6724 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6726 * extend.texi: Refer to an array of pointers to functions instead
6727 of one of functions.
6729 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6730 Jan Hubicka <jh@suse.cz>
6732 * combine.c (reversed_comparison): Fix typo in last patch.
6734 (combine_reversed_comparison_code): Make static to follow
6735 prototype declaration.
6737 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6739 * install.texi: Remove misplaced duplicate entry.
6741 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6743 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6745 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6747 * final.c: (leaf_function_p): Fix typo.
6749 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6751 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6752 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6754 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6755 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6756 mmap_anon, and valloc is available.
6757 * ggc-page.c: Restructure ifdef logic to match new autoconf
6758 spec. Don't throw away the test page in init_ggc.
6760 * configure, config.in: Regenerate.
6762 2001-01-12 Michael Hayes <mhayes@redhat.com>
6764 * loop.h (total_biv_increment): Constify iv_class pointer.
6765 (struct induction): Replace `mem_mode' with `mem' rtx.
6766 * unroll.c (total_biv_increment): Constify iv_class pointer.
6767 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6768 (find_mem_givs, combine_givs_p): Likewise.
6769 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6771 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6773 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6775 (__gthread_getspecific): Ditto.
6777 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6779 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6780 put_condition_code): Convert fp comparison codes to integer
6782 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6785 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6786 * i386-protos.h (no_comparison_operator): Kill.
6788 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6790 * combine.c (REVERSIBLE_CC_MODE): Remove.
6791 (reversible_comparison_p): Remove.
6792 (combine_reversed_comparison_code): New.
6793 (reversed_comparison): New.
6794 (combine_simplify_rtx): Use
6795 combine_reversed_comparison_code/reversed_comparison instead
6796 of reversible_comparison_p.
6797 (simplify_if_then_else): Likewise.
6798 (simplify_set): Likewise.
6799 (simplify_logical): Likewise.
6800 (if_then_else_cond): Likewise.
6801 (known_cond): Likewise.
6802 (simplify_comparison): Likewise.
6804 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6806 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6807 sizeof (int) is larger than sizeof(__word__).
6809 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6811 * cppinit.c (do_includes): Fix typo.
6813 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6815 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
6816 in S_REGS does not occur because not all sources are possible
6817 when a S_REGS is a destination (sometimes needs a clobber).
6818 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
6819 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
6820 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
6821 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
6822 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
6823 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
6824 (lshrdi_const1, lshrsi3_const16): Likewise.
6825 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
6826 (*movhi_68hc12, *movqi_68hc12): Likewise.
6827 (movstrictqi): Make sure reloading in D_REGS as a destination
6830 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6832 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6834 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6836 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
6837 -D, -U and -A, and don't initialize the builtins.
6838 (do_includes): Error if -include or -imacros with -fpreprocessed.
6839 * cppmain.c (cb_define, cb_undef): Unconditionally process
6841 * tradcpp.c (main): Fix typo.
6843 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
6845 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
6846 (read_name_map): Use IS_ABSOLUTE_PATH.
6847 * tradcpp.c (get_filename): Likewise.
6849 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6851 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
6852 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
6853 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
6854 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
6855 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
6856 (cmphi_z_used): Don't use '@' for the output.
6857 (tstqi_z_used): Likewise.
6858 (cmpqi_z_used): Likewise.
6859 (one_cmplsi2): Likewise.
6861 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6863 * config/sh/sh.c (barrier_align): Recognize branch around far
6864 branch and redundant insn.
6866 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6868 * invoke.texi: Restore documentation of the drivers' switches -MD
6871 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
6873 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
6875 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
6876 check-objc//%): Support parallel testing of multilibs.
6877 (TESTSUITEDIR): Set to testsuite by default, but override for
6879 (check-gcc, check-g++, check-g77, check-objc): Enter
6882 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6884 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6885 * sched-deps.c (deps_may_trap_p): Likewise.
6886 * basic-block.h: Remove a comment.
6887 * flow.c (PROP_POSTRELOAD): Remove.
6888 (update_life_info): Don't add it to prop_flags.
6889 (mark_set_1): Lose the code that was enabled by it.
6891 2001-01-11 Michael Hayes <mhayes@redhat.com>
6893 * flow.c (flow_call_edges_add): New.
6894 * basic_block.h (flow_call_edges_add): New.
6896 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6898 * reload1.c (move2add_note_store): Update reg_set_luid even if
6899 base reg remains the same.
6901 2001-01-10 Nick Clifton <nickc@redhat.com>
6903 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6904 machine_function structure to zero.
6905 Add prototypes for machine_status functions.
6907 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6909 * c-common.h (CTI_VOID_LIST): Remove.
6910 (void_list_node): Likewise.
6911 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6912 (void_list_node): New macro.
6913 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6914 * config/i386/i386.c (ix86_init_builtins): Likewise.
6915 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6917 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6919 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6920 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6922 * tradcpp.c: Include mkdeps.h.
6923 (deps, print_deps_phony_targets, deps_append, output_deps,
6924 init_dependency_output, output_deps): New.
6925 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6926 deps_output): Delete.
6927 (print_deps_missing_files): Rename deps_missing_files.
6928 (inhibit_output): Make global.
6929 (main): Delete inhibit_output, deps_stream, deps_target.
6930 Use mkdeps functionality in the same way as cpplib. Remove
6931 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6932 -M and -MM. Remove old handling of deps via deps_out, and
6933 old reading of environment variables.
6934 (get_filename): Update to use deps_add_dep.
6936 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6938 * output.h (make_function_rtl): Remove prototype.
6939 (make_decl_rtl): Likewise.
6940 * varasm.c (make_function_rtl): Remove.
6941 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6942 than from a third parameter.
6943 * tree.h (make_decl_rtl): Remove last parameter.
6944 * c-decl.c (builtin_function): Remove last argument in call to
6945 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6946 (start_function): Likewise.
6947 * except.c (call_get_eh_context): Likewise.
6948 * expr.c (emit_block_move): Likewise.
6949 (clear_storage): Likewise.
6950 * profile.c (output_func_start_profiler): Likewise.
6951 * toplev.c (rest_of_decl_compilation): Likewise.
6952 * objc/objc-act.c (create_builtin_decl): Likewise.
6953 (synth_module_prologue): Likewise.
6954 (generate_static_reference): Likewise.
6955 (build_selector_reference_decl): Likewise.
6956 (build_class_reference_decl): Likewise.
6957 (build_objc_string_decl): Likewise.
6958 (build_protocol_reference): Likewise.
6960 2001-01-10 Richard Henderson <rth@redhat.com>
6962 * hwint.h: Revert yesterday's change.
6964 2001-01-10 Nick Clifton <nickc@redhat.com>
6966 * function.h (save_machine_status): Delete.
6967 (restore_machine_status): Delete.
6968 Amend comment describing {init|mark|free}_machine_status.
6970 * function.c (save_machine_status): Delete.
6971 (restore_machine_status): Delete.
6972 Amend comment describing {init|mark|free}_machine_status.
6973 (push_function_context_to): Remove invocation of
6974 save_machine_status.
6975 (pop_function_context_from): Remove invocation of
6976 restore_machine_status.
6978 * emit-rtl.c (init_emit_once): Amend comment describing
6979 {init|mark|free}_machine_status.
6981 * tm.texi (Per-Function Data): New node. Describe the
6982 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6985 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6987 * cppinit.c (OPT_g): Remove.
6988 (cpp_handle_option): Update for removed -g3.
6989 (print_help): Update.
6990 * cpplib.h (struct cpp_options): Remove debug_output.
6991 * cppmain.c (setup_callbacks, cb_define): Update.
6992 * gcc.c (cpp_options): Translate -g3 to -dD.
6994 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6996 * config/i960/i960.md: Change modifier to + on the zero_extract
6997 pattern after the (rotate -2 reg) canonicalization pattern.
6999 2001-01-10 Richard Henderson <rth@redhat.com>
7001 * config/alpha/alpha.c (alpha_free_machine_status): New.
7002 (override_options): Install it.
7003 (alpha_mark_machine_status): Verify machine non-null.
7004 * config/i386/i386.c (ix86_free_machine_status): New.
7005 (override_options): Install it.
7006 (ix86_init_machine_status): Use xcalloc.
7007 (ix86_mark_machine_status): Verify machine non-null.
7008 * config/ia64/ia64.c (ia64_free_machine_status): New.
7009 (ia64_override_options): Install it.
7010 (ia64_mark_machine_status): Verify machine non-null.
7012 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7014 * function.c (instantiate_virtual_regs): Instantiate virtual
7015 registers found in CALL_INSN_FUNCTION_USAGE.
7017 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7019 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7020 equivalent to -ansi in disabling -Di386.
7022 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7024 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7026 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7028 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7030 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7032 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7034 * invoke.texi: Document that -fcond-mismatch isn't supported for
7037 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7039 * gcc.texi: Define macro gcctabopt.
7040 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7041 @command, @env and @option in some places where appropriate. Use
7042 @gcctabopt where appropriate. Put URLs and email addresses inside
7045 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7047 * gcc.c (cpp_options): Set MD file name from output
7048 filename, if specified.
7049 (suffix_subst): New static variable.
7050 (do_spec): Clear it.
7051 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7053 (give_switch): Handle suffix_subst.
7055 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7057 * invoke.texi: Fix another typo.
7059 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7061 * invoke.texi: Fix typo.
7063 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7065 * c-lang.c (lang_hooks): Update.
7066 (lang_decode_option): Remove.
7067 (lang_init_options): Rename c_init_options.
7068 * toplev.c (main): Use lang_hooks for lang_init_options
7069 and lang_decode_option.
7070 * toplev.h (lang_hooks): Add 2 new hooks.
7071 * tree.h: Remove lang_init_options and lang_decode_option.
7072 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7073 * cp/decl2.c: Similarly.
7074 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7075 (lang_hooks): Update.
7076 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7078 (lang_init_options): Rename ffe_init_options.
7079 (lang_hooks): Update.
7080 (lang_decode_option): Remove.
7081 * java/lang.c (lang_init_options): Rename java_init_options.
7082 (lang_decode_option): Rename java_decode_option.
7083 (lang_hooks): Update.
7084 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7085 (lang_decode_option): Rename objc_decode_option.
7086 (lang_hooks): Update.
7088 2001-01-09 Nick Clifton <nickc@redhat.com>
7090 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7091 (d30v_return_addr_rtx): Delete.
7092 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7093 cfun->machine structure.
7094 (struct machine_function): Move to d30v.h
7095 (d30v_save_machine_status): Delete.
7096 (d30v_restore_machine_status): Delete.
7097 (d30v_init_machine_status): New Function.
7098 (d30v_mark_machine_status): New Function.
7099 (d30v_free_machine_status): New Function.
7100 (d30v_init_expanders): Use new functions.
7101 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7102 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7103 d30v_return_addr_rtx.
7105 * config/d30v/d30v.h (struct_machine): Move here.
7106 Add eh_epilogue_sp_ofs field.
7108 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7109 field in cfun->machine structure.
7111 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7113 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7114 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7115 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7117 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7119 * objc/lang-options.h: Remove bogus reference to
7122 2001-01-09 Kazu Hirata <kazu@hxi.com>
7124 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7127 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7129 * reload.c (find_reloads_address): Check for eliminable registers
7130 when substituting a constant expression for a pseudo.
7132 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7134 * c-common.c (enum format_type): Add format_type_error.
7135 (decode_format_type): New function.
7136 (decl_attributes): Use it.
7137 (format_kind_info): Adjust comment.
7139 2001-01-09 David O'Brien <obrien@BSDi.com>
7141 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7142 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7144 * config/i386/gnu.h: Don't include required platform specific .h files,
7145 tm.h will do it instead.
7146 * config/i386/i386elf.h: Likewise.
7147 * config/i386/linux.h: Likewise.
7148 * config/i386/moss.h: Likewise.
7149 * config/mips/gnu.h: Likewise.
7151 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7153 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7154 (rs6000-ibm-aix3.[01]*): Likewise.
7155 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7156 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7157 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7158 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7159 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7160 (powerpc-*-eabiaix*): Likewise.
7161 (powerpc-*-eabisim*): Likewise.
7162 (powerpc-*-elf*): Likewise.
7163 (powerpc-*-eabi*): Likewise.
7164 (powerpc-*-rtems*): Likewise.
7165 (powerpc-*-linux*libc1): Likewise.
7166 (powerpc-*-linux*): Likewise.
7167 (powerpc-wrs-vxworks*): Likewise.
7168 (powerpcle-wrs-vxworks*): Likewise.
7169 (powerpcle-*-sysv*): Likewise.
7170 (powerpcle-*-elf*): Likewise.
7171 (powerpcle-*-eabisim*): Likewise.
7172 (powerpcle-*-eabi*): Likewise.
7173 (powerpcle-*-solaris2*): Likewise.
7174 * config/rs6000/aix31.h: Delete includes.
7175 * config/rs6000/aix3newas.h: Likewise.
7176 * config/rs6000/aix41.h: Likewise.
7177 * config/rs6000/aix43.h: Likewise.
7178 * config/rs6000/beos.h: Likewise.
7179 * config/rs6000/rtems.h: Likewise.
7180 * config/rs6000/sysv4.h: Likewise.
7182 2001-01-09 Kazu Hirata <kazu@hxi.com>
7184 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7185 Change an argument mode of machine_mode to shift_mode of
7186 shift_mode. Remove an extra error check.
7187 (emit_a_shift): Adopt to the new calling prototype of
7189 (function_prologue): Fix code for a monitor
7190 function. Support H8/S.
7191 (function_epilogue): Do not output pop for a monitor function.
7193 2001-01-09 Nick Clifton <nickc@redhat.com>
7195 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7196 (setup_incoming_varargs): Use sysv_varargs_p field of the
7197 cfun->machine structure.
7198 (struct machine_function): Move to rs6000.h
7199 (rs6000_save_machine_status): Delete.
7200 (rs6000_restore_machine_status): Delete.
7201 (rs6000_init_machine_status): New Function.
7202 (rs6000_free_machine_status): New Function.
7203 (rs6000_init_expanders): Use new functions.
7205 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7207 (struct machine_function): Move here.
7209 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7210 sysv_varargs_p field of the cfun->machine structure.
7212 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7214 (rs6000_restore_machine_status): Remove prototype.
7216 2001-01-09 Richard Henderson <rth@redhat.com>
7218 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7219 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7220 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7221 (sched_analyze_2, sched_analyze_insn): Likewise.
7222 (sched_analyze, init_deps): Likewise.
7223 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7224 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7225 (compute_block_backward_dependences): Update propagate_deps call.
7227 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7229 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7231 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7233 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7234 (cpp_handle_option): Handle them.
7235 (cpp_post_options): Ensure one of -M or -MM is specified with
7236 any other -M? option.
7237 (init_dependency_output): Suppress output with -MG.
7239 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7242 * invoke.texi: Update.
7244 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7246 * sh.md (reload_outsf): Generate recognizable patterns for
7249 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7251 * c-lang.c (lang_hooks): Update.
7252 (lang_init): Rename c_init.
7253 (lang_finish): Remove.
7254 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7256 * toplev.h (lang_hooks): Add init () and finish ().
7257 * tree.h (lang_init, lang_finish): Remove.
7258 * cp/tree.h (lang_init, lang_finish): Remove.
7259 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7260 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7262 (lang_init, lang_finish): Remove.
7263 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7264 (lang_hooks): Update.
7265 * java/lang.c (lang_init): Rename java_init.
7266 (lang_finish): Remove.
7267 (lang_hooks): Update.
7268 * objc/objc-act.c (lang_init): Rename objc_init.
7269 (lang_finish): Remove.
7270 (lang_hoooks): Update.
7272 20001-01-09 Graham Stott <grahams@redhat.com>
7274 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7275 after `ptr` is initialised.
7277 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7279 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7280 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7281 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7282 stack adjusts, instead of r3.
7284 2001-01-09 Michael Hayes <mhayes@redhat.com>
7286 * flow.c (flow_loop_scan): Break out of ...
7287 (flow_loops_find) ... here.
7288 * basic-block.h (flow_loop_scan): New.
7289 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7290 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7292 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7294 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7296 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7297 realloc()ing macro_buffer.
7299 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7300 if it's wider than long and the target's long is wider than the
7303 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7305 Remove support for using UWIN as a host machine.
7306 * configure.in: Issue an error message.
7307 * configure: Regenerated.
7308 * config.gcc: Remove xm_* UWIN configury.
7309 * config/i386/xm-uwin.h: Remove.
7311 2001-01-08 Nick Clifton <nickc@redhat.com>
7313 * config/v850/v850.c (ra_rtx): Delete.
7314 (v850_save_machine_status): Delete.
7315 (v850_restore_machine_status): Delete.
7316 (v850_init_machine_status): New function.
7317 (v850_mark_machine_status): New function.
7318 (v850_free_machine_status): New function.
7319 (v850_return_addr): Use ra_rtx field in machine structure.
7320 (v850_init_expanders): Use new functions.
7322 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7323 * config/v850/v850.c: Change arguments to v850_output+* functions
7324 to take a const char *, to avoid compile time warning.
7325 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7326 (USER_LABEL_PREFIX): Redefine.
7328 2000-01-08 Jim Wilson <wilson@redhat.com>
7330 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7331 1 to unsigned HOST_WIDE_INT before left shift.
7333 2001-01-08 Nick Clifton <nickc@redhat.com>
7335 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7336 the machine structure has been allocated.
7337 (arm_free_machine_status): New function: Free the machine
7338 specific function structure.
7340 2001-01-08 Richard Henderson <rth@redhat.com>
7342 * jump.c (simplejump_p): Revert last change.
7344 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7346 * cppinit.c (init): Rename init_library.
7347 (cpp_create_reader): Update.
7348 * gcc.c (cpp_options): If -o given, use it as the target of
7351 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7353 * arm.c (arm_arch5e): New variable.
7354 (all_cores): XScale is a 5TE device.
7355 (arm_override_options): Set arm_arch5e.
7356 (arm_init_builtins): __builtin_prefetch is in arch5e.
7357 * arm.h (arm_arch5e): Declare it.
7359 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7361 * arm.md (define_constants): Add defines for UNSPEC and
7362 UNSPEC_VOLATILE insns. Update all users.
7363 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7364 * arm.c (multi_register_push, note_invalid_constants)
7365 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7366 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7367 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7369 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7371 * jump.c (jump_optimize_1): Use reversed_comparison_code
7372 instead of can_reverse_comparison_p.
7373 (jump_back_p): Likewise.
7374 (invert_exp_1): Likewise.
7375 (thread_jumps): Likewise.
7376 * simplify-rtx.c (simplify_unary_operation): Likewise.
7377 (simplify_ternary_operation): Likewise.
7378 * cse.c (find_comparison_args): Convert to use
7379 can_reverse_comparison_p.
7380 (record_jump_equiv): Likewise.
7382 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7384 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7385 (EPILOGUE_USES): Define.
7386 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7387 automatically stack the LR if it isn't live.
7389 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7391 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7394 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7396 * ggc-page.c (max_alignment): New structure.
7397 (MAX_ALIGNMENT): New macro.
7398 (init_ggc): Use it to round up the sizes in the
7399 extra_order_size_table.
7401 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7403 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7406 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7408 * builtins.def (BUILT_IN_FPRINTF): New entry.
7410 * c-common.c (c_expand_builtin_fprintf): New function.
7411 (init_function_format_info): Handle __builtin_fprintf.
7412 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7413 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7415 * c-decl.c (duplicate_decls): Adjust comment.
7417 * extend.texi (fprintf): Document new builtin.
7419 2001-01-07 Richard Henderson <rth@redhat.com>
7421 * jump.c (simplejump_p): Recognize any single_set jump
7424 2001-01-07 Richard Henderson <rth@redhat.com>
7426 * configure.in (slibdir): Accept an --with-slibdir option.
7427 Use "test" not "[" in configure. Default to $(libdir).
7429 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7431 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7432 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7433 (SHLIB_LINK): Create links for the soname.
7434 * config/mips/t-iris6: Likewise.
7435 * config/sparc/t-slibgcc: Likewise.
7436 * config/sparc/t-slibgcc-sld: Likewise.
7438 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7440 * config/i386/i386.c (constant_call_address_operand): Accept
7441 (const (plus (symbol_ref) (const_int))).
7442 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7443 constant_call_address_operand.
7445 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7447 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7448 and LONG_LONG_TYPE_SIZE > 32.
7450 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7452 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7453 the previous change.
7455 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7457 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7459 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7460 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7461 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7464 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7466 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7468 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7470 * c-lang.c (c_post_options): Call cpp_post_options.
7471 * objc/objc-act.c (objc_post_options): Similarly.
7472 * cppmain.c (main): Similarly.
7473 * fix-header.c (read_scan_file): Similarly.
7474 * cppinit.c (cpp_start_read): Move option consistency checks
7475 to cpp_post_options. Don't call init_dependency_output.
7476 If needed, add default target and main file dependency.
7477 (OPT_MD, OPT_MMD): Remove.
7479 (cpp_handle_option): Update for OPT_* changes.
7480 (cpp_post_options): New.
7481 (init_dependency_output): Command line -MF overrides environment
7482 variables. Don't set default target etc. Suppress output
7483 if dependencies are going to stdout.
7484 (print_help): Update.
7485 * cpplib.h (cpp_post_options): New.
7486 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7488 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7490 * jump.c (comparison_dominates_p): Support unordered compares.
7492 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7494 * simplify-rtx.c (simplify_relational_operation): Always simplify
7495 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7498 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7500 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7501 (nonzero_bits): Likewise.
7502 (simplify_comparison): Likewise.
7503 (num_sign_bit_copies): Likewise; return more sane value depending
7504 on STORE_FLAG_VALUE.
7505 (known_cond): Do not assume EQ to be always true for equivalent
7508 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7510 * cse.c (fold_rtx): Handle unordered comparisons.
7512 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7514 * rtlanal.c (set_of_1): New static function.
7515 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7516 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7517 reg_set_last_last_regno): Remove.
7518 (set_of): New global function.
7519 (set_of_data): New structure.
7520 (reg_set_p, reg_set_last): Revamp for set_of.
7521 * rtl.h (set_of): New.
7523 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7525 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7526 * extend.texi: Document _Exit builtin.
7528 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7530 * (initialize, initialize_builtins,
7531 initialize_dependency_output, initialize_standard_includes):
7532 Rename s/initialize/init. Update.
7533 (init_dependency_output): Move to after
7534 cpp_handle_options, the correct location temporally at least.
7535 (opt_comp): Move next to init (), its caller. Fix prototype.
7536 (init): Make "initialized" local scope.
7537 (cpp_create_reader): Always call init ().
7538 (cpp_start_read): Update.
7539 (output_deps): New function, broken out of cpp_finish.
7540 (cpp_finish): Break out output_deps.
7542 2001-01-07 Richard Henderson <rth@redhat.com>
7544 * collect2.c (COFF specific stuff): Revert 12-06 patch
7545 to prototype system functions.
7547 2001-01-07 Michael Hayes <mhayes@redhat.com>
7549 * hard-reg-set.h: Add multiple include guard.
7550 * basic-block.h (struct loop): Add `sink' field.
7551 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7552 (emit_iv_add_mult): Delete.
7553 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7554 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7555 (unroll_loop): Remove end_insert_before argument.
7556 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7557 (maybe_eliminate_biv_1): Likewise.
7558 (emit_iv_add_mult): Delete.
7559 (gen_add_mult, loop_regs_update): New.
7560 (loop_insn_emit_after, loop_insn_emit_before): New.
7561 (loop_insn_sink, loop_insn_sink_or_swim): New.
7562 (emit_iv_add_mult): Delete.
7563 (scan_loop): Set loop->sink.
7564 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7565 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7566 (maybe_eliminate_biv_1): Likewise.
7567 (maybe_eliminate_biv_1): Add basic block argument.
7568 * unroll.c (unroll_loop): Remove end_insert_before argument.
7569 (find_splittable_regs): Likewise.
7570 (find_splittable_regs): Use loop_insn_sink and its ilk.
7571 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7573 2001-01-07 Michael Hayes <mhayes@redhat.com>
7575 * loop.h (loop_insn_hoist): New prototype.
7576 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7577 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7578 (check_dbra_loop, load_mems): Likewise.
7579 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7580 (find_splittable_givs): Likewise.
7582 2001-01-07 Michael Hayes <mhayes@redhat.com>
7584 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7586 2001-01-07 Richard Henderson <rth@redhat.com>
7588 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7590 2001-01-07 Richard Henderson <rth@redhat.com>
7592 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7593 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7594 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7595 variant that handles a shared libgcc.
7596 (process_command): Always validate -{static,shared}-libgcc.
7597 (do_spec_1): New 'M' case.
7598 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7600 2001-01-07 Richard Henderson <rth@redhat.com>
7602 * Makefile.in (slibdir): New variable.
7603 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7604 (installdirs): Create slibdir.
7605 (install-libgcc, install-multilib): Defer to libgcc.mk.
7606 * configure.in (slibdir): Substitute.
7607 * mklibgcc.in (install): New target.
7609 * config/t-linux (SHLIB_LINK): Create links for the soname.
7610 (SHLIB_INSTALL): New.
7611 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7612 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7613 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7614 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7615 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7617 2001-01-07 Richard Henderson <rth@redhat.com>
7619 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7620 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7621 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7623 2001-01-07 Michael Hayes <mhayes@redhat.com>
7625 * loop.c (count_loop_regs_set): Delete.
7626 (load_mems_and_recount_loop_regs_set): Delete.
7627 (loop_regs_scan): Merge common code from count_loop_regs_set,
7628 scan_loop, and load_mems_and_recount_loop_regs_set.
7629 (scan_loop): Call load_mems directly and loop_regs_scan
7630 again if new registers created.
7632 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7634 * toplev.c (main): Call the front-end specific post_options
7635 hook if one is given.
7636 * toplev.h (struct_lang_hooks, lang_hooks): New.
7637 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7638 for the C front end.
7639 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7640 lang_hooks for the C++ front end.
7641 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7642 lang_hooks for the ObjC front end.
7643 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7644 * java/lang.c (lang_hooks): Hooks for the Java front end.
7646 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7648 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7649 for verbose DWARF[2] debugging.
7650 (cb_define, cb_undef): The new callbacks.
7651 * toplev.h (debug_define, debug_undef): Make const correct.
7652 * toplev.c (debug_define, debug_undef): Similarly. Do not
7653 perform the verbosity tests here anymore.
7655 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7657 * reload.c (subst_reloads): Take INSN argument. When
7658 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7659 * reload.h (subst_reloads): Adjust prototype.
7660 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7661 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7662 present in JUMP_INSNs and copy them to JUMP_LABEL.
7663 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7664 JUMP_INSNs and insns with REG_LABELs that are followed by
7665 JUMP_INSNs with the same REG_LABEL.
7666 * sched-rgn.c (is_cfg_nonregular): Likewise.
7667 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7669 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7671 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7673 2001-01-06 Richard Henderson <rth@redhat.com>
7675 * loop.c (scan_loop): Use xcalloc for the regs array.
7676 (load_mems_and_recount_loop_regs_set): Zero the new memory
7677 received from xrealloc.
7679 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7681 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7683 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7685 * integrate.c (copy_rtx_and_substitute): When copying
7686 an ignored return value, strip REG_FUNCTION_VALUE_P.
7688 2001-01-06 Michael Hayes <mhayes@redhat.com>
7690 * loop.c (debug_biv, debug_giv): New.
7691 (loop_biv_dump): Break out from ...
7692 (record_biv): ... here.
7693 (loop_giv_dump): Break out from ...
7694 (record_giv): ... here.
7695 (loop_bivs_check): Use print_simple_rtl.
7696 * unroll.c (loop_iterations): Use print_simple_rtl.
7698 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7700 * pa.md (return, return_internal): Modify patterns to prevent regrename
7701 mucking with the return pointer.
7703 2001-01-05 Richard Henderson <rth@redhat.com>
7705 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7707 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7709 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7710 version supplied by Matteo Frigo.
7712 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7714 * cpp.texi: Update for -MQ.
7715 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7716 (cpp_cleanup): Always free pfile->deps.
7717 (initialize_dependency_output): Don't create pfile->deps.
7718 (cpp_handle_option): Similarly.
7720 * gcc.c (cpp_options): Handle -MQ.
7721 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7722 * mkdeps.c (base_name): Remove.
7723 (deps_init): Don't allocate vector space until it's needed.
7724 (deps_free): Only free vectors if allocated.
7725 (deps_add_target, deps_add_dep): Update for initial allocation.
7726 (deps_add_default_target): Don't strip to the base_name.
7728 2001-01-05 DJ Delorie <dj@redhat.com>
7730 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7731 (INIT_EXPANDERS): Define.
7733 * config/v850/v850.c (struct machine_function): Define.
7734 (v850_save_machine_status): New function.
7735 (v850_restore_machine_status): New function.
7736 (v850_return_addr): New function.
7737 (v850_init_expanders): New function.
7739 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7740 and v850_init_expanders.
7742 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7744 * cpplib.h (struct cpp_reader): Add help_only field.
7745 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7746 (cpp_handle_option): Set pfile->help_only if we see -h,
7747 --help, -target-help, or --version. Print version string but
7748 do not set help_only if we see -v or -version. Make text
7749 printed by -v match that printed by (-)-version.
7751 * cppmain.c (main): Exit after option parsing if
7752 pfile->help_only is true.
7754 * toplev.c (independent_decode_option): Call print_version,
7755 then exit, if we see --version (but not -version).
7756 (print_version): Split lengthy message into two lines.
7758 2001-01-05 Nick Clifton <nickc@redhat.com>
7760 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7761 temporary string for initialisation before calling ggc_alloc_string.
7763 2001-01-06 Michael Hayes <mhayes@redhat.com>
7765 * rtl.h (print_simple_rtl): New.
7766 * print-rtl.c (print_simple_rtl): New.
7768 (print_rtx): Disable printing of flags and modes, etc.,
7769 if `flag_simple` nonzero.
7771 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7773 * function.c (fixup_var_refs): Use push_to_full_sequence where
7776 2001-01-05 Michael Meissner <meissner@redhat.com>
7778 * flags.h (flag_reorder_blocks): Add declaration.
7779 (flag_rename_block): Ditto.
7781 2001-01-05 DJ Delorie <dj@redhat.com>
7783 * function.c (reorder_blocks): Make sure the flags are all reset
7784 before using them to mark blocks, else a second invocation will
7785 corrupt the block chain.
7786 (reorder_blocks_0): New, resets the flags.
7788 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7790 * cse.c (find_comparison_args): Stop if the argument is known to
7793 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7795 * config/sh/sh.md (movdf): When splitting load into pair of
7796 registers, don't clobber the register used in the address too
7799 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7801 * varasm.c (mark_constant_pool): Improve initial comments.
7802 (mark_constants): Move marking of constants to mark_constant.
7803 (mark_constant): New function to recursively mark all constants
7804 referred to by a constant.
7806 2001-01-05 Catherine Moore <clm@redhat.com>
7808 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7810 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7812 * cp/lang-options.h: Bring comment in line with reality.
7813 * f/lang-options.h: Likewise.
7814 * java/lang-options.h: Likewise.
7815 * objc/lang-options.h: Likewise.
7816 * ch/lang-options.h: Likewise.
7817 * f/g77.texi: And update the manual.
7819 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
7820 Denis Chertykov <denisc@overta.ru>
7822 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
7823 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
7824 * config/avr/avr.md (all peepholes that request a scratch register):
7825 Call it, FAIL the peephole if not safe (in interrupt functions).
7827 2001-01-05 Mark Mitchell <mark@codesourcery.com>
7829 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
7831 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
7833 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
7835 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
7836 BUILT_IN_CREAL and BUILT_IN_CIMAG.
7837 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
7838 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
7839 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
7841 * extend.texi: Document these builtins.
7843 2001-01-05 Daniel Berlin <dberlin@redhat.com>
7845 * c-common.c (lang_get_alias_set): Say we know nothing of
7846 VECTOR_TYPE aliasing.
7848 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
7850 2001-01-05 Bruce Korb <bkorb@gnu.org>
7852 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
7853 their x* equivalent versions for atexit-less systems
7854 * fixinc/fixincl.c(main): do not return from main() on atexit-less
7855 systems (or any other system any more).
7857 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
7859 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
7860 output operands. Use arm_hard_register_operand for operand 4.
7861 (stmsi_postinc): Similarly.
7862 (ldmsi): Use arm_hard_register_operand for opernand 2.
7864 * arm.c (arm_hard_register_operand): New function.
7865 * arm-protos.h (arm_hard_register_operand): Prototype it.
7867 * arm.h (HARD_REGNO_RENAME_OK): Define.
7869 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
7871 * simplify-rtx.c (cfc_args): add "unordered" field.
7872 (check_fold_consts): Set unordered field.
7873 (simplify_relational_operation): Simplify the unordered
7876 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
7879 * emit-rtl.c (try_split): Fix code to mark labels.
7880 * jump.c (mark_jump_label): Make global.
7881 * rtl.h (mark_jump_label): Declare.
7883 * predict.c (estimate_probability): Handle unordred comparisons.
7885 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7887 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7888 * cppinit.c (initialize_dependency_output): Update.
7889 (cpp_finish): Output dummy targets for -MP.
7891 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7892 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7893 * gcc.c (cpp_options): Update to handle -MP.
7894 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7895 to quote only the default target.
7896 (deps_phony_targets): Insert a preceding newline. Rename from
7897 deps_dummy_targets for consistency.
7900 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7902 * calls.c (emit_library_call_value_1): Support
7903 INIT_CUMULATIVE_LIBCALL_ARGS.
7904 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7906 2001-01-04 Richard Henderson <rth@redhat.com>
7908 * c-decl.c (finish_struct): Detect flexible array members
7909 used in an inappropriate context.
7910 * c-typeck.c (really_start_incremental_init): Special case
7911 constructor_max_index for zero length arrays.
7912 (pop_init_level): Allow initialization of flexible array
7913 members. Deprecate initialization of zero length arrays.
7914 Don't issue missing initializer warning for flexible array
7915 members or zero length arrays.
7916 (process_init_element): Don't dereference null DECL_SIZE.
7917 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7918 Don't abort for empty constructors. Use size_binop
7919 (output_constructor): Add commentary regarding zero length
7920 array futures. Abort if we try to initialize an array of
7921 unspecified length with a non-empty constructor in the middle
7924 * extend.texi (Zero Length): Update and clarify documentation
7925 on static initialization.
7927 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7929 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7930 with more than 32767 words of local storage.
7932 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7934 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7935 for 'abs', 'labs', and 'fabs'.
7936 (c4x_expand_builtin): Likewise.
7937 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7939 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7941 * config/sh/sh.md (prget, prset): New insn types.
7942 (return delay slot): Dont' allow prset.
7943 (call, sfunc delay slot): Don't allow prget.
7944 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7945 for prset and prget.
7947 2001-01-05 Michael Hayes <mhayes@redhat.com>
7949 * loop.h (struct loop_reg): New.
7950 (struct loop_regs): Change to use array of `struct loop_reg'.
7951 * loop.c: Replace assortment of varrays with single regs array.
7952 (count_one_set): Delete may_not_move array argument
7953 and use regs array instead. All caller's changed.
7954 (count_loop_regs_set): Delete may_not_move and single_usage
7955 arguments and use regs array instead. All caller's changed.
7956 (find_single_use_in_loop): Replace usage array argument with pointer
7957 to regs structure. All caller's changed.
7958 (loop_optimize): Delete `moved_once' array.
7960 2001-01-05 Michael Hayes <mhayes@redhat.com>
7962 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7963 Use it instead of loop_info->has_call for scanning loop mems.
7964 (check_dbra_loop): Replace loop_info->has_call test with
7965 loop_info->has_nonconst_call.
7967 2000-01-04 Matthew Hiller <hiller@redhat.com>
7969 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7972 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7974 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7975 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7977 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7979 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7980 (flag_short_double, flag_short_wchar): Define.
7981 (c_common_nodes_and_builtins): Create many tree nodes shared
7982 between C and C++ here instead of in cp/decl.c and ...
7983 * c-decl.c (init_decl_processing): ... here.
7984 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7985 (flag_short_double, flag_short_wchar): Don't define.
7986 (record_builtin_type): New function.
7987 (build_void_list_node): New function.
7988 * c-common.h (flag_short_double, flag_short_wchar,
7989 record_builtin_type, build_void_list_node): Declare.
7991 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7993 * integrate.c (expand_inline_function): Don't put a virtual
7994 register into the reg map.
7996 * function.c (fixup_var_refs_1): If force_operand didn't put
7997 the address into the target, move it there.
7999 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8001 Special-case tree_decl/tree_list allocations.
8002 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8003 (OBJECT_SIZE): New macro.
8004 (NUM_EXTRA_ORDER): Likewise.
8005 (extra_order_size_table): New variable.
8006 (NUM_ORDERS): New macro.
8007 (objects_per_page_table): New variable.
8008 (object_size_table): New variable.
8009 (G.pages): Use NUM_ORDERS to bound the array.
8010 (G.page_tails): Likewise.
8011 (DIV_ROUND_UP): Remove.
8012 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8013 (alloc_page): Use OBJECT_SIZE.
8014 (size_lookup): Don't make it const.
8015 (ggc_alloc): Use OBJECT_SIZE.
8016 (ggc_set_mark): Likewise.
8017 (ggc_get_size): Likewise.
8018 (init_ggc): Set up the object_size_table, objects_per_page_table,
8019 and adjust size_lookup.
8020 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8021 (ggc_pop_context): Use NUM_ORDERS.
8022 (clear_marks): Likewise.
8023 (sweep_pages): Likewise.
8024 (poison_pages): Likewise.
8025 (ggc_print_statistics): Use OBJECT_SIZE.
8027 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8029 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8030 Only call array_size_for_constructor if last field and array type
8031 with no upper bound.
8033 2001-01-04 Philip Blundell <philb@gnu.org>
8035 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8036 from bit 31 downwards, if this requires no more insns.
8037 (count_insns_for_constant): New helper function for above.
8039 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8041 * gencodes.c (output_predicate_decls): Remove empty initializer.
8043 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8045 * tree.c (copy_node): Remove documentation about obstacks.
8046 (buidl1): Check that nobody tries to build 2-argument nodes this
8049 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8051 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8054 * gencodes.c (output_predicate_decls): Fill empty initializer
8057 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8059 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8060 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8062 (do_include): Handle missing headers like cpp0.
8063 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8064 paths with first include pathname. Don't strcat to uninitialized
8067 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8069 * regrename.c (regrename_optimize): Don't rename from frame pointer
8070 if frame_pointer_needed.
8071 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8072 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8073 (ia64_reorg): Use it instead of scheduling if ! optimize.
8074 (errata_emit_nops): Properly call asm_noperands.
8075 (ia64_sched_reorder): Finish cycle if we see an asm.
8076 (ia64_variable_issue): Clear scheduling state after asms.
8078 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8080 * cpp.texi: Update for -MT.
8081 * cppinit.c (initialize_dependency_output): Add a default
8082 target if none has been given already.
8083 (no_tgt, OPT_MT): New.
8084 (cpp_handle_option): Handle -MT. Update -M etc.
8085 * cpplib.h (struct cpp_options): Remove deps_target.
8086 * gcc.c (cpp_options): Handle -MT.
8087 * mkdeps.c (struct deps): Move from mkdeps.h.
8088 (deps_calc_target): Rename deps_add_default_target. Add a
8089 default target if none has been specified already.
8090 * mkdeps.h (struct deps): Move to mkdeps.c.
8091 (deps_calc_target): Rename deps_add_default_target.
8093 2000-01-03 Richard Henderson <rth@redhat.com>
8095 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8097 * c-typeck.c (push_init_level): Move checks for flexible array
8098 members and zero length arrays ...
8099 (pop_init_level): ... here. Silently discard empty initializations.
8101 * varasm.c (output_constructor): Update for sizeof change to
8104 * extend.texi (Zero Length): Clarify semantics.
8106 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8108 * configure.in (tm.h): Include isns-codes.h last.
8109 * configure: Rebuilt.
8111 2001-01-03 Richard Henderson <rth@redhat.com>
8113 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8114 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8116 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8118 * tradcpp.c (main): Make sure finclude() is called with a valid
8119 indepth value while handling -include.
8121 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8123 * gencodes.c (output_predicate_decls): New function.
8125 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8126 even if it is not the first time machmode.h is #included.
8127 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8128 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8129 * gcc.texi (Copyright): Added 2001.
8131 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8133 * c-common.c (c_common_lang_init): New function. Warn if format
8134 warning options which only have effects when used with -Wformat
8135 are used without -Wformat.
8136 * c-common.h (c_common_lang_init): Declare.
8137 * c-lang.c (lang_init): Call c_common_lang_init.
8138 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8140 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8142 * configure.in: Check for the mktemp command.
8143 * configure: Regenerate.
8144 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8145 $TEMP. Create temporary files with mktemp, if available at
8146 configure time; otherwise use set -C. Remove temporary files
8149 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8151 * configure.in: Require at least texinfo 4.0. Check for whether
8152 Pod::Man is sufficiently recent to regenerate GCC manpages.
8153 * configure: Regenerate.
8154 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8156 (GENERATED_MANPAGES): Define.
8157 (generated-manpages): New target. Depend on cpp.1 as well as
8159 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8160 configure to generated-manpages or empty) rather than on the
8161 manpages directly. Remove execute permission from installed
8162 gcov.1 as well as cpp.1.
8163 * cpp.1, gcov.1: Regenerate.
8165 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8167 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8168 tree_low_cst. Allow using cmpstrsi in more cases.
8170 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8172 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8175 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8177 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8178 * Makefile.in (HOST_CFLAGS): Mention build-make.
8180 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8182 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8185 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8187 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8190 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8193 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8194 reg_base_value and reg_known_value arrays.
8195 (init_alias_analysis): Add more cases to detect known values.
8196 * sched-deps.c (deps_may_trap_p): New function.
8197 (sched_analyze_2): Use it.
8199 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8201 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8202 don't discard an ASHIFTRT if we're shifting in a wider mode.
8204 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8206 * toplev.c (rest_of_compilation): Don't print basic block information
8207 when CFG isn't up to date.
8209 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8211 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8212 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8213 (UNALIGNED_SHORT_ASM_OP): Define.
8214 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8216 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8218 * fold-const.c (fold_convert): Fix typo.
8220 2001-01-02 Richard Henderson <rth@redhat.com>
8222 * c-common.h (ASM_INPUT_P): New.
8223 * c-parse.in (asm): Set it when needed.
8224 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8225 existance of an operand.
8227 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8229 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8230 (dwarf2out_frame_debug_expr): Likewise.
8231 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8233 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8235 * i386.c (ix86_split_to_parts): Return number of part required;
8237 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8239 (ix86_split_long_move): Use number of part returned
8240 by ix86_split_to_parts
8241 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8243 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8244 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8245 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8246 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8247 (ALIGN_MODE_128): Add TFmode.
8248 (IS_STACK_MODE): Likewise.
8249 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8250 (HARD_REGNO_OK): Support TFmodes.
8251 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8252 * i386.md (scheduler definitions): Use memory operand to determine
8253 fst/fld instructions; use mode attribute to determine real mode of
8255 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8256 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8258 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8260 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8262 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8264 * expr.c (store_constructor_field): Update ALIGN before calling
8267 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8269 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8272 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8274 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8277 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8279 * c-decl.c (start_function): Don't warn on third parameter to main.
8281 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8283 * tsystem.h: Define HAVE_DECL_GETOPT.
8285 2001-01-02 Philip Blundell <pb@futuretv.com>
8287 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8290 2001-01-02 Richard Henderson <rth@redhat.com>
8292 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8294 2001-01-02 Andreas Jaeger <aj@suse.de>
8296 * c-decl.c (c_decode_option): Remove support of
8299 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8300 (W_options): Add -Wmissing-noreturn here.
8302 * flow.c: Define lang_missing_noreturn_ok_p.
8303 (check_function_return_warnings): Use it.
8305 * c-common.h: Declare lang_missing_noreturn_ok_p.
8307 * c-lang.c (c_missing_noreturn_ok_p): New function.
8308 (lang_init): Set lang_missing_noreturn_ok_p.
8310 * invoke.texi (Warning Options): Document this.
8312 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8314 * extend.texi (C++ Extensions): New node for C++ attributes;
8315 describe init_priority and com_interface.
8316 * invoke.texi: Remove -finit-priority as it now has zero effect.
8317 * install.texi: Fix xref syntax.
8318 * md.texi: Likewise.
8320 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8322 * config.gcc (sparc64-wrs-vxworks*): New case.
8323 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8325 * config/sparc/sparc.c (sparc_override_options): Do support different
8326 pointer and architecture size.
8327 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8328 (POINTERS_EXTEND_UNSIGNED): Define.
8329 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8330 (FUNCTION_MODE): Define to be Pmode.
8331 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8333 * function.c (expand_function_end): Properly handle DECL_RESULT
8334 and copy when ptr_mode != Pmode.
8335 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8337 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8339 * c-common.c (c_common_nodes_and_builtins): Set prototype
8340 parameters for __builtin_fputs, __builtin_fputc and
8341 __builtin_fwrite. Don't declare plain fputc as a builtin.
8343 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8345 * loop.c (add_label_notes): Increment the label usage count when
8346 a note is added to an insn which refers to a CODE_LABEL.
8347 * gcse.c (add_label_notes): Likewise.
8349 2001-01-01 Andreas Jaeger <aj@suse.de>
8351 * loop.c (scan_loop): Use xmalloc to allocate movables.
8353 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8355 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8356 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8357 * reload1.c (REGISTER_MOVE_COST): Likewise.
8358 * regclass.c (REGISTER_MOVE_COST): Likewise.
8359 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8360 dimension. Adjust all users.
8361 (init_reg_sets_1): Iterate on all modes.
8362 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8363 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8364 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8365 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8366 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8367 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8368 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8369 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8370 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8371 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8372 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8373 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8374 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8375 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8376 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8377 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8378 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8379 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8380 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8381 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8382 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8383 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8384 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8385 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8386 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8387 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8388 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8390 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8392 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8393 arg VARIES_P. Call it with extra arg.
8394 (true_dependence): Likewise.
8395 * rtl.h (rtx_addr_can_trap_p): Declare.
8396 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8398 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8399 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8400 pic offset table register if it's zero. All callers changed.
8401 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8403 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8405 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8406 STRING_POOL_ADDRESS_P.
8408 * config/sparc/sparc.c (input_operand): Properly test for short op.
8410 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8411 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8412 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8413 * config/sparc/elf.h: No longer include sol2.h.
8414 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8415 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8417 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8419 2001-01-01 Michael Hayes <mhayes@redhat.com>
8421 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8422 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8423 (record_initial): Likewise.
8424 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8425 (remap_split_bivs): Likewise.
8427 2001-01-01 Michael Hayes <mhayes@redhat.com>
8429 * loop.c (loop_ivs_free): New function.
8430 (strength_reduce): Break out from...
8432 2001-01-01 Michael Hayes <mhayes@redhat.com>
8434 * loop.h (struct iv): New.
8435 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8436 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8437 'reg_biv_class' fields with 'regs' and 'n_regs'.
8438 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8439 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8440 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8442 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8444 * resource.c (mark_referenced_resources): Abort() before
8445 attempting to mark a pseudo register.
8446 (mark_set_resources): Likewise.
8448 2001-01-01 Michael Hayes <mhayes@redhat.com>
8450 * loop.h (REG_IV_CLASS): New accessor macro.
8451 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8452 * unroll.c (REG_IV_CLASS): Likewise.
8454 See ChangeLog.4 for earlier changes.
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