1 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
3 * mn10200.md (truncated shift): Accept constant inputs too.
5 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
7 * machmode.h (mode_mask_array): No longer const.
8 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
10 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12 * frame.c: Somewhat explain `FDE'.
13 Suggested by Brendan Kehoe
15 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
17 * expr.c (pending_chain): Move up.
18 (save_expr_status): Do save pending_chain.
19 (restore_expr_status): And restore it.
20 * function.h (struct function): Add pending_chain.
22 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
25 did not match the code.
27 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
29 * regclass.c (regclass): Break out some code into new function
30 scan_one_insn, and into regclass_init.
31 (init_cost): New static variable, moved out of regclass.
32 (regclass_init): Initialize it here, not in .
33 (scan_one_insn): New static function, broken out of regclass.
34 * recog.c (apply_change_group): Break out some code into new
35 function insn_invalid_p.
36 (insn_invalid_p): New static fn, broken out of apply_change_group.
38 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
40 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
41 reg_reloaded_contents matches incremented pseudo.
43 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
45 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
47 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
48 addressing modes with side effects. These are currently
49 placeholders for the C4x target.
51 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
53 * loop.c (express_from): Make sure that when generating a PLUS of
54 a PLUS, any constant expression appears on the outermost PLUS.
56 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
58 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
59 works if "$(srcdir)" != ".".
61 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
63 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
64 existing SUBREG if we can, otherwise abort.
66 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
68 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
69 `restrict' is applied to a non-pointer variable.
71 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
73 * invoke.texi: Document -flang-isoc9x.
75 * Makefile.in (OBJS): Add splay-tree.o.
76 (c-common.o): Depend on rtl.h.
77 (splay-tree.o): List dependencies and provide build rule.
79 * rtl.h (record_alias_subset): New function.
80 * alias.c: Include splay-tree.h.
81 (alias_set_entry): New type.
82 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
83 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
84 (mems_in_disjoin_alias_sets_p): New function.
85 (alias_set_compare): Likewise.
86 (insert_subset_children): Likewise.
87 (get_alias_set_entry): Likewise.
89 * tree.h (TYPE_RESTRICT): New macro.
90 (TYPE_UNQUALIFIED): New manifest constant.
91 (TYPE_QUAL_CONST): Likewise
92 (TYPE_QUAL_VOLATILE): Likewise.
93 (TYPE_QUAL_RESTRICT): Likewise.
94 (tree_type): Add restrict_flag. Reduce count of free bits.
95 (DECL_POINTER_ALIAS_SET): New macro.
96 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
97 (tree_decl): Add pointer_alias_set.
98 (build_qualified_type): New function.
99 (build_type_variant): Define in terms of build_qualified_type.
100 * tree.c (set_type_quals): New function.
101 (make_node): Initializae DECL_POINTER_ALIAS_SET.
102 (build_type_attribute_variant): Use build_qualified_type and
104 (build_type_variant): Rename, and modify, to become...
105 (build_qualified_type): New function.
106 (build_complex_type): Use set_type_quals.
108 * c-tree.h (C_TYPE_OBJECT_P): New macro.
109 (C_TYPE_FUNCTION_P): Likewise.
110 (C_TYPE_INCOMPLETE_P): Likewise.
111 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
112 (c_apply_type_quals_to_decl): New function.
113 (c_build_qualified_type): New function.
114 (c_build_type_variant): Define in terms of c_build_qualified_type.
115 (flag_isoc9x): Declare.
116 * c-typeck.c (qualify_type): Use c_build_qualified_type.
117 (common_type): Change to use TYPE_QUALS.
118 (comptypes): Likewise.
119 (convert_for_assignment): Likewise.
120 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
121 * c-decl.c (flag_isoc9x): Define.
122 (c_decode_option): Handle -flang-isoc9x.
123 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
124 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
125 * c-lex.c (init_lex): Deal with restrict.
126 (init_lex): Don't treat restrict as a reserved word in
127 -traditional mode, or without -flang-isoc9x.
128 * c-lex.h (rid): Add RID_RESTRICT.
129 * c-parse.gperf (restrict, __restrict, __restrict__): Make
130 equivalent to RID_RESTRICT.
131 * c-parse.in (TYPE_QUAL): Update comment.
132 * c-common.c: Include rtl.h.
133 (c_find_base_decl): New function.
134 (c_build_type_variant): Rename, and modify, to become ...
135 (c_build_qualified_type): New function.
136 (c_apply_type_quals_to_decl): Likewise.
137 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
138 a particular alias set for the reference.
139 * toplev.c (documented_lang_options): Add -flang-isoc9x.
141 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
143 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
144 command line switches.
146 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
148 * reload.c (loc_mentioned_in_p): Add missing braces to bind
151 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
153 * gcc.c (option_map): Added --classpath and --CLASSPATH.
155 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
157 * regclass.c (fix_register): Add error message.
158 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
161 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
163 * c-decl.c (warn_missing_noreturn): New global variable.
164 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
165 (finish_function): Implement missing noreturn warning.
167 * c-tree.h (warn_missing_noreturn): Declare extern.
169 * invoke.texi: Document new flags.
171 * toplev.c (documented_lang_options): Add description.
173 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
175 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
176 loop optimization stable for the C4x.
177 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
178 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
179 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
181 (c4x_address_conflict): Be more paranoid when packing a volatile
182 memref in a parallel load/store.
184 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
186 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
187 repeat_block_filler): Deleted.
188 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
189 Condition code not set if destination register from 'c' class.
190 (*subbqi3_carry_clobber): Fix typo.
192 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
194 * reorg.c (steal_delay_list_from_target) Check for insns that
195 modify the condition codes and effect the direction of the jump
198 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
200 * function.c (purge_addressof_1): Replace call to
201 emit_insns_before() with emit_insn_before().
203 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
205 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
207 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
209 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
211 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
213 * gcse.c (compute_hash_table): Correctly identify hard regs which are
214 clobbered across calls.
216 * loop.c (scan_loop): Be more selective about what invariants are
219 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
221 * version.c: Bump for snapshot.
223 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
225 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
226 static eh_context structure.
228 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
230 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
232 (try_combine): Don't update max_scratch.
233 * flow.c (max_scratch, num_scratch): Delete variables.
234 (life_analysis_1): Don't initialize max_scratch.
235 (propagate_block): Don't update max_scratch.
236 (mark_set_1): Don't increment num_scratch.
237 * regs.h (max_scratch): Delete declaration.
239 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
241 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
242 is nonzero. This is temporary!
244 * sched.c (update_flow_info): Handle death notes made invalid by
245 instruction splitting. Partially reverts Oct 15, 1998 patch.
246 * haifa-sched.c (update_flow_info): Likewise.
248 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
250 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
251 if it has a nonzero DECL_INITIAL.
253 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
255 * Makefile.in (flow.o): Depend on recog.h.
257 * cpplib.h (directive_table): Add missing initializiers.
258 (finclude): Change type of variable `bsize' to size_t.
260 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
262 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
264 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
265 `int' when comparing against one.
266 (cpp_file_line_for_message): Mark parameter `pfile' with
268 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
270 * flow.c: Include recog.h.
271 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
273 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
274 `f' with ATTRIBUTE_UNUSED.
275 (reposition_prologue_and_epilogue_notes): Likewise.
277 * genopinit.c (gen_insn): Cast argument of ctype functions to
280 * haifa-sched.c: Include recog.h.
281 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
282 comparing against one.
284 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
286 * mips-tfile.c (parse_end): Cast the argument of ctype function to
288 (parse_ent): Likewise.
289 (parse_input): Likewise.
291 * optabs.c (init_libfuncs): Likewise.
293 * protoize.c (find_rightmost_formals_list): Likewise.
295 * recog.h (const_double_operand): Fix typo in prototype.
297 * tlink.c (scan_linker_output): Cast the argument of ctype
298 function to `unsigned char'.
300 * toplev.c (check_lang_option): Cast the result of `strlen' to
301 `int' when comparing against one.
303 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
305 * gcse.c (dump_cuid_table): Correct typo.
307 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
309 * toplev.c (display_help): Prepend '-m' to target specific
311 (check_lang_option): Ignore text after end of first word of a
312 language specific option.
314 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
316 * reload1.c (reg_used_by_pseudo): New static variable.
317 (choose_reload_regs): Initialize it.
318 Use it instead of testing spill_reg_order to determine whether a
319 pseudo is live in a hard register across the current insn.
320 Fix a typo in a reference to reload_reg_rtx.
322 * flow.c (propagate_block): Replace code that computes and uses
323 regs_sometimes_live with simpler code that just walks the set of
324 currently live registers.
326 * Makefile.in (insn-extract.o): Fix dependencies.
327 * genextract.c (main): Generate includes for insn-config.h and
329 Delete generation of declarations which are now in recog.h.
330 * genrecog.c (main): Delete generation of definitions which are
332 * local-alloc.c (block_alloc): Use extract_insn and the variables
333 it sets up instead of looking up values by insn_code.
334 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
335 recog_dup_num): Define here instead of generating the definition in
337 (recog_n_operands, recog_n_dups, recog_n_alternatives,
338 recog_operand_mode, recog_constraints, recog_operand_address_p):
340 (extract_insn): New function.
341 * recog.h (extract_insn): Declare function.
342 (which_alternative, recog_n_operands, recog_n_dups,
343 recog_n_alternatives, recog_operand_mode, recog_constraints,
344 recog_operand_address_p): Declare variables.
345 * regclass.c (n_occurrences): New static function.
346 * reload.c (n_occurrences): Delete function.
347 (find_reloads): Use extract_insn.
348 * reload.h (n_occurrences): Delete declaration.
350 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
352 * reload1.c (reload_as_needed): Fix test for when to call
353 update_eliminable_offsets.
355 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
357 Fix consistency problems with reg_equiv_{mem,address};
358 Improve reload inheritance;
360 * reload.c (reload_out_reg): New variable.
361 (loc_mentioned_in_p, remove_address_replacements): New functions.
362 (remove_replacements): Deleted.
363 (push_reload): Set reload_out_reg[i].
364 When merging, also set reload_{in,out}_reg[i], and remove
365 duplicate address reloads.
366 (combine_reloads): Copy reload_out_reg[i].
367 (find_reloads): Do make_memloc substitution also when
368 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
370 Include *recog_operand_loc in commutativity operand changes.
371 Generate optional output reloads.
372 Delete reference to n_memlocs. Don't set *recog_operand_loc before
373 processing operands. Call make_memloc in reg_equiv_address code.
374 Set *recog_operand_loc only after processing operands, and only
375 if replace is true. Return a value.
376 When changing address reload types for operands that didn't get
377 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
378 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
379 Don't emit USEs for pseudo SUBREGs when not replacing.
380 (find_reloads_address): Do make_memloc substitution also when
381 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
383 (find_reloads_toplev): Likewise.
384 Call make_memloc in reg_equiv_address code.
385 (debug_reload_to_stream): Add code to output reload_out_reg.
386 (make_memloc): Delete local variable i, ifdefed out code, and
387 references to memlocs and n_memlocs.
388 (memlocs, n_memlocs): Delete.
389 (push_secondary_reload): Clear reload_out_reg.
390 (find_reloads_address_1): Provide memrefloc argument to all calls
391 to find_reloads_address.
392 In AUTO_INC code, handle non-directly addressable equivalences properly.
393 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
394 (find_reloads): Add return type.
395 (remove_address_replacements, deallocate_reload_reg): Declare.
396 * reload1.c (num_not_at_initial_offset): No longer static.
397 (delete_address_reloads, delete_address_reloads_1): Likewise.
398 (deallocate_reload_reg): New function.
399 (spill_reg_stored_to): New array.
400 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
401 (eliminate_regs_in_insn): Move assignments of previous_offset and
402 max_offset fields, and recalculation of num_not_at_initial_offset
403 into new static function:
404 (update_eliminable_offsets) .
405 (reload_as_needed): Call update_eliminable_offsetss after calling
407 Call forget_old_reloads_1 with contents of reloaded auto_inc
408 expressions if the actual addressing can't be changed to match the
410 (choose_reload_regs): For inheritance, replace
411 reload_reg_free_before_p test with reload_reg_used_at_all test, and
412 remove stand-alone reload_reg_used_at_all test.
413 Use reload_out_reg to determine which reload regs have output reloads.
414 Treat reload_override_in more similar to inherited reloads.
415 Handle (subreg (reg... for inheritance.
416 For flag_expensive_optimizations, add an extra pass to remove
417 unnecessary reloads from known working inheritance.
418 Delete obsolete code for pseudos replaced with MEMs.
419 Handle inheritance from auto_inc expressions.
420 (emit_reload_insns): If reload_in is a MEM, set OLD to
422 Don't reload directly from oldequiv; if it's a pseudo with a
423 stack slot, use reload_in[j].
424 Check that reload_in_reg[j] is a MEM before replacing reload_in
425 from reg_reloaded_contents.
426 Include non-spill registers in reload inheritance processing.
427 Also try to use reload_out_reg to set spill_reg_store /
429 In code to set new_spill_reg_store, use single_set to find out if
430 there is a single set.
431 Add code that allows to delete optional output reloads.
432 Add code to allow deletion of output reloads that use no spill reg.
433 At the end, set reload_override_in to oldequiv.
434 Also call delete_output_reload if reload_out_reg is equal to old
436 Add code to call delete_output_reload for stores with no matching load.
437 Set / use spill_reg_stored_to.
438 Handle case where secondary output reload uses a temporary, but
439 actual store isn't found.
440 When looking for a store of a value not loaded in order to call
441 delete_output_reload, count_occurences should return 0 for no
442 loads; but discount inherited input reloadill_reg_stored_to.
443 Do checks for extra uses of REG. Changed all
445 Use delete_address_reloads.
446 (reload): Take return value of find_reloads into account.
447 If a no-op set needs more than one reload, delete it.
448 (reload_reg_free_before_p): RELOAD_FOR_INPUT
449 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
450 for the same operand.
451 (clear_reload_reg_in_use): Check for other reloads that keep a
453 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
454 RELOAD_FOR_OPADDR_ADDR.
455 Take into account when an address address reload is only needed
456 for the address reload we are considering.
457 (count_occurrences): Use rtx_equal_p for MEMs.
458 (inc_for_reload): Return instruction that stores into RELOADREG.
459 New argument two, IN, and rtx. Changed all callers.
460 (calculate_needs_all_insns, reload_as_needed):
461 Don't clear after_call for a CLOBBER.
462 Keep track of how many hard registers need to be copied from
463 after_call, and don't clear after_call before we have seen
464 that much copies, or we see a different instruction.
466 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
468 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
469 after reload has completed.
471 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
473 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
474 a macro name and the next token with a single blank if that whitespace
475 is in a macro buffer and the next token is not '('.
477 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
479 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
481 (skip_if_group): Ditto.
482 (skip_to_end_of_comment): Ditto.
484 (discard_comments): Ditto.
485 (change_newlines): Ditto.
487 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
489 * c-lex.c (yylex): Fix unaligned access of wchar_t.
491 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
493 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
494 (TARGET_OPTIONS): Add --help documentation.
496 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
498 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
500 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
502 * fixinc/* Moved in from ../contrib directory in preparation
503 for integrating it into the normal build process. In particular,
504 fixinc/Makefile.in must be config-ed into the build directory
505 as fixinc/Makefile. Proposed patches to ./Makefile.in and
506 ./configure.in will be "in the mail" momentarily.
508 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
510 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
511 accidently walk into the free list. Comment how that can happen.
512 (invalidate): Fix indentation.
514 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
515 Jeffrey A Law (law@cygnus.com)
517 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
518 reload. Never perform rescans of the insn chain after reload.
519 (propagate_block): Do not delete insn or create new autoinc addressing
522 * jump.c (jump_optimize): Unconditionally use the code that was
523 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
524 * reload1.c (reload): When reloading is finished, delete all
525 REG_DEAD and REG_UNUSED notes.
526 (emit_reload_insns): Delete all code that was conditional on
527 PRESERVE_DEATH_INFO_REGNO_P.
528 (no_longer_dead_regs): Delete variable.
529 (reload_cse_delete_death_notes): Delete function.
530 (reload_cse_no_longer_dead): Delete function.
531 (reload_cse_regs_1): Delete all code to handle deletion of death
533 (reload_cse_noop_set_p): Likewise.
534 (reload_cse_simplify_set): Likewise.
535 (reload_cse_simplify_operands): Likewise.
536 (reload_cse_move2add): Likewise.
537 * reorg.c (used_spill_regs): Delete declaration.
538 (max_label_num_after_reload): Delete declaration.
539 (find_dead_or_set_registers): Don't assume that spill regs are
540 dead at a CODE_LABEL.
541 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
543 * sched.c (sched_analyze_insn): Likewise.
544 (update_flow_info): Likewise.
545 * haifa-sched.c (sched_analyze_insn): Likewise.
546 (update_flow_info): Likewise.
547 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
548 * toplev.c (max_label_num_after_reload): Delete variable.
549 (rest_of_compilation): Don't set max_label_num_after_reload.
550 Call life_analysis after reload_cse_regs if optimizing.
551 * config/gmicro/gmicro.h: Delete comment referring to
552 PRESERVE_DEATH_INFO_REGNO_P.
553 * config/i386/i386.h: Likewise.
554 * config/m88k/m88k.h: Likewise.
555 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
556 * config/sh/sh.h: Likewise.
558 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
560 * loop.c (strength_reduce): Restore marking bct_p as
562 * rs6000.c (optimization_options): Change #ifdef HAIFA to
563 HAVE_decrement_and_branch_on_count.
564 (small_data_operand): Remove TARGET_ELF condition for marking
565 parameters ATTRIBUTE_UNUSED.
567 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
569 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
570 (SELECT_SECTION): Resync with svr4.h.
572 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
574 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
577 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
579 * c-pragma.c (handle_pragma_token): Test for null tree before
580 dereferencing TREE_CODE.
582 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
584 * config/c4x/c4x.c: Convert to use GEN_INT.
585 (c4x_parallel_process): Rework to handle new repeat loop structure.
587 * config/c4x/c4x.md: Convert to use GEN_INT.
588 (rptb_end): Convert to use GE test. Replace uses with clobbers.
589 (decrement_and_branch_on_count): Likewise.
591 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
592 loop.c has the desired functionality.
593 (rc_reg_operand): New prototype.
595 * config/c4x/t-c4x: Can now build all front ends.
597 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
599 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
601 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
603 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
604 * config/t-rtems: Do not install assert.h -- use newlib's.
606 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
608 * combine.c (combine_instructions): When finished, call init_recog.
609 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
611 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
613 * toplev.c: If flag_syntax_only, don't open or write assembler file.
615 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
617 * cppalloc.c (memory_full): Mark function prototype with
620 * demangle.h (collect_exit): Likewise.
622 * fix-header.c (v_fatal, fatal): Likewise.
624 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
627 * gcov.c (print_usage): Likewise.
629 * genattr.c (fatal, fancy_abort): Likewise.
631 * genattrtab.c (fatal, fancy_abort): Likewise.
633 * gencodes.c (fatal, fancy_abort): Likewise.
635 * genconfig.c (fatal, fancy_abort): Likewise.
637 * genemit.c (fatal, fancy_abort): Likewise.
639 * genextract.c (fatal, fancy_abort): Likewise.
641 * genflags.c (fatal, fancy_abort): Likewise.
643 * genopinit.c (fatal, fancy_abort): Likewise.
645 * genoutput.c (fatal, fancy_abort): Likewise.
647 * genpeep.c (fatal, fancy_abort): Likewise.
649 * genrecog.c (fatal, fancy_abort): Likewise.
651 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
652 __sjpopnthrow, __throw): Likewise.
654 * objc/objc-act.c (objc_fatal): Likewise.
656 * protoize.c (usage, aux_info_corrupted,
657 declare_source_confusing): Likewise.
659 * rtl.c (dump_and_abort): Likewise.
661 * rtl.h (sets_cc0_p): Likewise.
663 * toplev.c (float_signal, pipe_closed): Likewise.
665 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
667 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
668 when generating the decision tree for the general case.
670 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
671 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
673 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
675 * Makefile.in (sched.o): Depend on recog.h.
677 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
678 (unsigned) when comparing against one.
679 (find_base_value): Likewise.
680 (record_base_value): Cast variable `regno' to (unsigned) when
681 comparing against one. Cast the result of REGNO() macro to
682 (unsigned) when comparing against one.
683 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
685 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
686 variable where an unsigned index is needed.
688 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
689 before comparing against one.
691 * collect2.c: Add prototypes for functions `error', `fatal' and
692 `fatal_perror'. Make these functions take variable arguments
693 instead of faking it with a fixed number of args.
694 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
697 * combine.c (can_combine_p): Mark parameter `pred' with
699 (find_split_point): Cast variable `src' to (unsigned
700 HOST_WIDE_INT) when comparing against one.
701 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
702 (simplify_logical): Likewise.
703 (force_to_mode): Cast result of INTVAL() macro to (unsigned
704 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
705 HOST_WIDE_INT) in shift.
706 (simplify_and_const_int): Cast result of INTVAL() macro to
707 `unsigned HOST_WIDE_INT' when comparing against one.
708 (merge_outer_ops): Cast variable const0 to `unsigned
709 HOST_WIDE_INT' when comparing against the result of
710 GET_MODE_MASK() macro.
711 (simplify_comparison): Likewise for variable `c0'. Cast variable
712 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
713 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
714 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
715 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
716 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
717 comparing against one.
718 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
720 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
721 macro to `unsigned HOST_WIDE_INT' when comparing against one.
722 (output_block_move): Cast `sizeof' expression to (int) when
723 comparing against one.
724 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
726 (save_restore_insns): Cast `base_offset' to `long' to match format
727 specifier in fprintf.
729 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
730 to `enum machine_mode'.
732 * flow.c (life_analysis_1): Remove unused variable `insn'.
734 * gcc.c (translate_options): Move variables `j' and `k' into the
735 scope in which they are used. Change their types to `size_t'.
736 (set_spec): Cast the argument of ctype macro to `unsigned char'.
737 (read_specs): Likewise.
738 (process_command): Cast `sizeof' to (int) when comparing against one.
739 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
740 (handle_braces): Cast both sides of `==' expression to `long' to
741 ensure sign matching.
742 (main): Cast variable `i' to `int' when comparing against one.
744 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
745 int to size_t. Cast variable `i' to size_t when comparing against
748 * genattrtab.c (convert_set_attr_alternative): Remove unused
749 parameter `insn_code'. All callers changed.
750 (convert_set_attr): Likewise.
752 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
753 size_t when comparing against one. Likewise for variable `len'.
755 * global.c (global_alloc): Cast variable `max_regno' to size_t
756 when comparing against one. Likewise for variable `max_allocno'.
758 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
760 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
761 `set' with ATTRIBUTE_UNUSED.
762 (find_free_reg): Cast `sizeof' expression to (int) when comparing
765 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
766 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
767 (get_condition): Cast variable `const_val' to `unsigned
768 HOST_WIDE_INT' when comparing against one. Cast unsigned
769 expression to HOST_WIDE_INT when comparing against one.
770 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
771 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
772 `unsigned' when comparing against one.
774 * protoize.c (is_id_char): Change type of parameter `ch' to
776 (munge_compile_params): Cast argument of ctype macro to (const
778 (process_aux_info_file): Cast variable `aux_info_size' to int when
779 comparing against one.
780 (forward_to_next_token_char): Cast argument of ctype macro to
781 `const unsigned char'.
782 (edit_formals_lists): Likewise.
783 (find_rightmost_formals_list): Likewise.
784 (add_local_decl): Likewise.
785 (add_global_decls): Likewise.
786 (edit_fn_definition): Likewise.
787 (do_cleaning): Likewise.
788 (scan_for_missed_items): Likewise.
789 (edit_file): Cast variable `orig_size' to (int) when comparing
791 (main): Cast argument of ctype macro to `const unsigned char'.
793 * recog.c (const_int_operand): Mark parameter `mode' with
796 * regclass.c (record_reg_classes): Change type of variable `c' to
797 `unsigned char'. Cast `char' array index to `unsigned char'.
799 * reload.c (push_secondary_reload): Cast argument to
800 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
802 * reload1.c (calculate_needs): Cast `char' array index to
804 (set_label_offsets): Change type of variable `i' to unsigned int.
805 Cast result of XVECLEN() macro to unsigned when comparing against
807 (mark_not_eliminable): Change type of variable `i' to unsigned.
808 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
809 when comparing against one.
810 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
811 comparing against one.
812 (choose_reload_regs): Hide unused label `fail'.
813 (reload_cse_simplify_operands): Cast `char' array index to
815 (reload_combine_note_store): Mark parameter `set' with
816 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
818 (reload_cse_move2add): Remove unused variable `src2'.
820 * sched.c: Include recog.h.
821 (sched_note_set): Remove unused parameter `b'. All callers
823 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
824 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
825 when comparing against one.
827 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
828 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
829 comparing against one.
831 * unroll.c (precondition_loop_p): Remove unused parameter
832 `loop_end'. All callers changed.
834 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
836 * reload1.c (maybe_fix_stack_asms): New static function.
839 * reload.h (compute_use_by_pseudos): Declare.
841 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
842 (something_needs_reloads): Delete variable.
843 (finish_spills): New function.
844 (compute_use_by_pseudos): New function.
846 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
847 Use the reload_insn_chain instead of walking the rtl directly.
849 (reload): Allocate and free spilled_pseudos.
850 Ensure that all calls of spill_hard_reg are followed by a call to
852 Use the insns_need_reload list instead of something_needs_reloads
853 to find out if reload_as_needed must be called.
854 Clear unused_insn_chains at the end.
856 (calculate_needs_all_insns): Lose FIRST parameter. All callers
858 Delete code to keep track of current basic block.
859 Walk reload_insn_chain instead of the rtl structure. Build the
860 insns_need_reload chain.
861 Remember which insns need reloading/elimination by setting the
862 appropriate fields in struct insn_chain, not by putting modes on the
865 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
866 arg INSN. All callers changed.
867 Delete declaration of struct needs.
868 Don't set something_needs_reloads.
869 Record insn needs in the CHAIN argument.
871 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
873 (reload_as_needed): Lose FIRST arg. All callers changed.
874 Walk the reload_insn_chain instead of the rtx structure.
875 Delete code to keep track of current basic block.
876 Rename one of the NEXT variables to OLD_NEXT.
878 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
880 (choose_reload_regs): Likewise.
882 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
885 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
886 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
887 (hard_regs_live, hard_regs_need_restore): Delete variables.
888 (n_regs_saved): Now static.
889 (referenced_regs, this_insn_sets): New variables.
891 (setup_save_areas): Restructure the code a bit.
893 (restore_referenced_regs): Delete function.
894 (mark_referenced_regs): New function, similar to the old
895 restore_referenced_regs, but mark registers in referenced_regs.
897 (clear_reg_live): Delete function.
898 (mark_set_regs): Renamed from set_reg_live. All callers changed.
899 Only mark registers in this_insn_sets.
901 (save_call_clobbered_regs): Rework this function to walk the
902 reload_insn_chain instead of using the list of instructions directly.
903 Delete code to keep track of register lives, compute live regs on the
904 fly from information in the chain.
905 Instead of calling restore_referenced_regs, use mark_referenced_regs,
906 then walk the set it computes and call insert_restore as appropriate.
908 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
910 Restructure the code a bit. Test hard_regs_saved instead of
911 hard_regs_need_restore.
912 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
913 args. All callers changed.
914 Restructure the code a bit. Use TO_SAVE to determine which regs to
915 save instead of more complicated test.
916 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
918 Create a new insn_chain structure for the new insn and place it
921 * rtl.texi: Update documentation to reflect that reload no longer
922 puts modes on the insns.
924 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
926 * function.c (purge_addressof_1): Force the first argument of a
929 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
931 * rtl.h: Delete duplicate prototypes. Add some missing
933 * rtlanal.c: (for_each_rtx): Formatting tweak.
935 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
937 * real.c (emdnorm and etoasc): Disable round to even for c4x target
938 to be compatible with TI compiler.
940 * Makefile.in (USER_H): Add va-c4x.h to definition.
942 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
944 * function.c (purge_addressof_1): Fix typo in inequality: do
945 bitfield optimization for equal mode sizes.
946 * expmed.c (store_bit_field): Don't take subregs of subregs in
947 the movstrict case. Tidy a potential problem in the multi-word case.
948 (extract_bit_field): Likewise.
950 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
952 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
954 Compute max_uid_for_flow by calling get_max_uid after the scan.
955 (find_basic_blocks_1): Don't emit NOPs here.
957 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
959 * alias.c (base_alias_check): Accept new args for the modes of the
960 two references. Use them to determine if an AND can overlap. Update
962 (memrefs_conflict_p): Assume sizes are aligned, and uses them
963 to determine if an AND can overlap.
965 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
967 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
968 check. Add comment to document problems with TARGET_SUN_FPA version
970 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
972 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
974 * Makefile.in (gencheck.o): Depend on gansidecl.h.
976 * c-common.c (print_char_table): Add missing initializers.
977 (scan_char_table): Likewise.
978 (time_char_table): Likewise.
980 * c-decl.c (c_decode_option): Mark parameter `argc' with
982 (declare_parm_level): Mark parameter `definition_flag' with
985 * c-lex.c (readescape): Use `(unsigned)1' in shift.
986 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
989 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
991 (emit_call_1): Mark parameters `fndecl' and `funtype' with
993 (expand_call): Cast result of MIN() to (unsigned int) when
994 comparing against an unsigned value.
996 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
998 (make_definition): Remove unused parameter `op'. All callers
1000 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1001 comparing against the result of pointer arithmetic.
1003 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1004 when comparing against one.
1006 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1007 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1009 (output_die): Move variable `i' into the scope in which it is
1010 used. Change its type to `unsigned'.
1011 (output_die): Cast the result of `strlen' to (int) when passing it
1012 to ASM_OUTPUT_ASCII().
1013 (output_pubnames): Likewise.
1014 (output_line_info): Likewise.
1016 * emit-rtl.c (global_rtl): Add missing initializers.
1018 * explow.c (promote_mode): Mark parameter `for_call' with
1021 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1022 `unsigned HOST_WIDE_INT' when comparing against one.
1023 (synth_mult): Change type of variable `cost' to int.
1024 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1026 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1027 when comparing against one.
1028 (get_inner_reference): Change variable `alignment' to unsigned.
1029 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1030 int) when comparing against one.
1031 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1033 * fold-const.c (div_and_round_double): Cast BASE to
1034 (HOST_WIDE_INT) when comparing against one.
1036 * gencheck.c: Include gansidecl.h.
1037 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1039 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1040 `tcode' with ATTRIBUTE_UNUSED.
1042 * real.c (edivm): Cast constant value to (unsigned long) in
1043 expression compared against an unsigned value.
1045 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1046 comparing against one.
1047 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1048 when comparing against one.
1050 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1051 (unsigned int) when comparing against one. Likewise for
1053 (smallest_mode_for_size): Likewise.
1054 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1055 (restore_storage_status): Likewise.
1057 * toplev.c (debug_args): Add missing initializer.
1058 (f_options): Spelling correction. Add missing initializers.
1059 (documented_lang_options): Likewise.
1060 (debug_end_source_file): Mark parameter `lineno' with
1063 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1064 `decl' and `type' with ATTRIBUTE_UNUSED.
1066 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1067 when comparing against one.
1068 (assemble_variable): Mark parameter `top_level' with
1070 (assemble_external_libcall): Mark parameter `fun' with
1072 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1075 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1077 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1078 Replace use of r5 with use of r19.
1080 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1082 * config/v850/v850.c (compute_register_save_size): Allow for the
1083 fact that helper functions save all registers, not just those used
1086 Replace constant 31 with macro LINK_POINTER_REGNUM.
1088 * config/v850/v850.md: Use 'indirect_operand' rather than
1089 'memory_operand' for bit test/set/clear patterns.
1091 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1093 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1094 * varasm.c (assemble_start_function et al): Don't call
1095 ASM_GLOBALIZE_LABEL for weak symbols.
1097 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1099 * cse.c (equiv_constant): Check for NULL return from
1100 gen_lowpart_if_possible().
1102 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1104 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1106 * collect2.c (main): Pass -EL/-EB through to the compiler.
1108 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1110 * expr.c (push_block): Handle targets where the stack grows
1111 to higher addresses, but args grow to lower addresses and
1112 ACCUMULATE_OUTGOING_ARGS is not defined.
1114 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1116 * config/v850/v850.c (print_operand): Extend meaning
1117 of 'c' operands to support .vtinherit.
1119 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1121 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1122 Added ATTRIBUTE_UNUSED to unused function arguments.
1123 (rc_reg_operand): New predicate.
1124 (c4x_rptb_insert): New function.
1125 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1126 (c4x_optimization_options): New function.
1128 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1129 (decrement_and_branch_on_count): New pattern.
1130 (rptb_top): Modified pattern to work with BCT optimization.
1132 * config/c4x/c4x.h (RC_REG): New register class.
1133 (rc_reg_operand): Define prototype.
1134 (IS_RC_REG): New macro.
1135 (IS_RC_OR_PSEUDO_REG): New macro.
1136 (IS_RC_OR_PSEUDO_REGNO): New macro.
1137 (OPTIMIZATION_OPTIONS): Define.
1139 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1141 * collect2.c (extract_init_priority): No priority is 65535.
1143 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1145 * Makefile.in (build_tooldir): new variable, same as old
1146 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1147 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1148 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1150 * configure.in (gxx_include_dir): set default based on unlibsubdir
1151 * Makefile.in (tooldir): ditto
1152 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1153 gxx_include_dir, includedir and tooldir
1154 (protoize.o, unprotoize.o): ditto
1156 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1158 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1160 * config/arm/thumb.c (thumb_override_options): Add warning about
1161 PIC code not being supported just yet.
1163 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1165 * flow.c: Update comment.
1166 (notice_stack_pointer_modification): New static function.
1167 (record_volatile_insns): Use it.
1168 (mark_regs_live_at_end): Mark the stack pointer as alive
1169 at the end of the function if current_function_sp_is_unchanging
1171 (life_analysis_1): Set current_function_sp_is_unchanging.
1172 * function.c: Define it.
1173 (init_function_start): Initialize it.
1174 * output.h: Declare it.
1175 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1176 the stack pointer as alive at the end of the function if
1177 current_function_sp_is_unchanging is set.
1178 * i386.c (ix86_epilogue): Optimize the restoring
1179 of the stack pointer.
1181 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1183 * version.c: Bump for snapshot.
1185 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1187 * c-pragma.c (handle_pragma_token): If passed a token instead
1188 of a tree, use that as the pack value.
1190 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1192 * flow.c (find_basic_blocks_1): Fix prototype.
1194 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1196 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1197 (struct tree_decl): New fields no_check_memory_usage.
1198 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1199 (init_attributes): Register it as a new attribute.
1200 (decl_attributes): Set flags on functions given that attribute.
1201 * c-decl.c (duplicate_decls): Merge new attribute.
1202 * expr.h (current_function_check_memory_usage): Declare new var.
1203 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1204 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1205 current_function_check_memory_usage.
1206 * function.h: Add field to struct function.
1207 * function.c (current_function_check_memory_usage): Define it.
1208 (push_function_context_to, pop_function_context_from): Save and
1210 (expand_function_start): Set it, based on global flag and function
1213 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1214 check non-automatic variables, to permit detection of writes to
1215 read-only locations in embedded systems without memory management.
1216 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1217 when emitting chkr_set_right_libfunc call, even if the argument is
1218 BLKmode or variable-sized; don't abort.
1220 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1221 symbols in Pmode, not VOIDmode.
1223 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1225 * cppexp.c: When forcing unsigned comparisons, cast both sides
1228 * cpphash.h: Move static declaration of hashtab[]...
1229 * cpphash.c: ...here.
1231 * cpplib.c: Cast difference of two pointers to size_t before
1232 comparing it to size_t. Cast signed to unsigned
1233 before comparing to size_t. (FIXME: struct argdata should use
1234 unsigned buffer sizes.)
1235 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1236 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1237 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1238 size_t before comparison.
1240 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1242 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1243 (find_basic_blocks_1): Similarly.
1244 * output.h (find_basic_blocks): Fix prototype.
1245 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1246 find_basic_blocks anymore.
1248 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1250 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1251 (sbitmap_free, sbitmap_vector_free): New macros.
1252 * output.h (rtl_dump_file): Declare.
1254 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1256 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1258 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1260 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1262 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1263 (divide): Remove unused variable `tmp'.
1264 (si_to_float): Cast numeric constant to (SItype) before comparing
1267 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1269 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1270 * gcc.c (add_preprocessor_option): Correct typo when allocating
1271 memory, sizeof() argument had one too many `*'.
1272 (add_assembler_option): Likewise.
1273 (add_linker_option): Likewise.
1274 * gcov.c (output_data): Likewise.
1275 * local-alloc.c (memref_used_between_p): Likewise.
1276 (update_equiv_regs): Likewise.
1277 * loop.c (strength_reduce): Likewise.
1278 * reg-stack.c (record_asm_reg_life): Likewise.
1279 (subst_asm_stack_reg): Likewise.
1280 * reorg.c (dbr_schedule): Likewise.
1282 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1284 * flow.c (life_analysis_1): Break out some functions.
1285 (find_basic_blocks_1): Likewise. Also move some variables out and
1287 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1288 new static var nonlocal_label_list with it.
1289 (active_eh_region, nested_eh_region, label_value_list,
1290 nonlocal_label_list): New static variables.
1291 (make_edges, delete_unreachable_blocks, delete_block): New static
1292 functions, broken out of find_basic_blocks_1.
1293 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1294 noop_move_p): New static functions, broken out of life_analysis_1.
1296 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1298 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1299 Take extra care for op0 now possibly being a subreg.
1300 (extract_bit_field): Likewise.
1301 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1302 the reg to memory if there is no equal sized integral mode.
1303 * stor-layout.c (int_mode_for_mode): New function.
1304 * machmode.h: Prototype it.
1306 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1308 * global.c (build_insn_chain): Verify no real insns exist past the
1309 end of the last basic block, then exit the loop.
1311 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1313 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1315 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1317 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1319 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1321 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1323 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1325 * flow.c (find_basic_blocks): Correctly determine when a call
1326 is within an exception region.
1328 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1330 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1332 * cpplib.h: Protect from multiple inclusions.
1333 * cpplib.c: Fix minor formatting problems.
1335 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1337 * jump.c (jump_optimize): Revert accidental patch.
1339 * Makefile.in (cpplib.o): Use unlibsubdir.
1341 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1343 * loop.c (get_condition): Allow combine when either compare is
1346 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1348 * version.c: Bump for snapshot.
1350 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1352 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1353 (init_lex): Initialize ridpointers[RID_BYREF].
1354 * c-lex.h (enum rid): Add RID_BYREF.
1355 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1356 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1357 (encode_type_qualifiers): Similarly
1358 * c-gperf.h: Rebuilt.
1360 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1362 * c-common.c (type_for_mode): Only return TItype nodes when
1363 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1364 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1365 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1366 (init_decl_processing): Only create TItype nodes when
1367 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1368 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1369 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1371 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1373 * stmt.c (n_occurrences): New static function.
1374 (expand_asm_operands): Verify that all constrains match in the
1375 number of alternatives.
1376 Verify that '+' or '=' are at the beginning of an output constraint.
1377 Don't allow '&' for input operands.
1378 Verify that '%' isn't written for the last operand.
1379 * reload.c (find_reloads): Abort if an asm is found with invalid
1380 constraints; all possible problems ought to be checked for earlier.
1382 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1384 * flags.h (flag_branch_on_count_reg): Always declare
1385 * toplev.c (flag_branch_on_count_reg): Likewise.
1386 * toplev.c: Fix typos.
1388 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1391 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1393 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1395 (find_basic_blocks_1): Add a nop to the end of a basic block when
1396 a trailing call insn does not have abnormal control flow.
1397 * gcse.c (pre_transpout): New variable.
1398 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1399 (compute_pre_transpout): Calculate it.
1400 (compute_pre_ppinout): Use it to eliminate impossible placements
1401 due to abnormal control flow through calls.
1402 (compute_pre_data): Call compute_pre_transpout.
1404 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1406 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1408 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1410 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1411 and matching define_insns): Tack on a `use' of the table label, so
1412 flow analysis will recognize a tablejump.
1414 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1416 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1417 always end basic blocks for abnormal edge reasons.
1419 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1421 * config/i386/i386.h: Remove definition of
1422 HANDLE_PRAGMA_PACK_PUSH_POP.
1424 * config/i386/go32.h: Add definition of
1425 HANDLE_PRAGMA_PACK_PUSH_POP.
1427 * config/i386/win32.h: Add definition of
1428 HANDLE_PRAGMA_PACK_PUSH_POP.
1430 * config/i386/cygwin32.h: Add definition of
1431 HANDLE_PRAGMA_PACK_PUSH_POP.
1433 * c-pragma.c (insert_pack_attributes): Do not insert
1434 attributes unless #pragma pack(push,<n>) is in effect.
1436 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1438 * expr.c (emit_group_store): Handle a PARALLEL destination.
1440 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1442 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1443 the new insns before the argument regs are loaded.
1445 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1447 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1448 (c-parse.gperf): Update comments describing invocation flags.
1449 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1451 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1453 * reload1.c (reload): Call free before clobbering the memory
1454 locations or constants pointers.
1456 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1458 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1459 for efficiency by checking whether we need to modify the current
1460 stack permission at all.
1461 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1462 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1463 __enable_execute_stack libcall here too if
1464 TRANSFER_FROM_TRAMPOLINE is defined.
1465 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1468 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1470 * Makefile.in (DRIVER_DEFINES): Remove last change.
1472 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1474 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1475 insns we're going to copy.
1476 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1478 * loop.c (count_one_set): Add prototype.
1480 * caller-save.c (restore_referenced_regs): Lose mode argument.
1481 (insert_save): Lose mode argument.
1482 (insert_restore): Lose mode argument.
1483 (insert_one_insn): Lose mode argument.
1484 (save_call_clobbered_regs): Lose mode argument.
1485 (setup_save_areas): Take no argument and return void. All callers
1487 Don't verify validity of memory addresses.
1488 * reload.h (setup_save_ares): Adjust prototype.
1489 (save_call_clobbered_regs): Likewise.
1490 * reload1.c (delete_caller_save_insns): New function.
1491 (caller_save_spill_class): Delete variable.
1492 (caller_save_group_size): Delete variable.
1493 (reload): Call setup_save_areas and save_call_clobbered_regs
1494 in the main loop, before calling calculate_needs_all_insns.
1495 Don't call save_call_clobbered_regs after the loop.
1496 Call delete_caller_save_insns at the end of an iteration if
1498 Delete code to manage caller_save_spill_class.
1499 Emit the final note before setting reload_first_uid.
1500 Simplify test that determines whether reload_as_needed gets run.
1501 (calculate_needs): Delete code to manage caller_save_spill_class.
1503 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1505 * collect2.c (main): Initialize ld_file_name.
1507 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1509 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1510 check for flag_function_sections.
1512 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1514 * cse.c (insert_regs): Fix bug in Sep 24 change.
1516 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1518 * flags.h (flag_dump_unnumbered): Declare.
1519 * toplev.c (flag_dump_unnumbered): Don't declare.
1520 * print-rtl.c (flags.h): Include.
1521 (print_rtl_single): Add return value.
1522 * rtl.h (print_rtl_single): Update declaration.
1523 * flow.c (flag_dump_unnumbered): Don't declare.
1524 (print_rtl_with_bb): Use return value of print_rtl_single.
1526 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1528 * loop.c (count_one_set): New static function, broken out of
1530 (count_loop_regs_set): Call it.
1531 * global.c (mark_reg_store): Handle clobbers here by not calling
1533 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1534 is in fact a clobber.
1535 * integrate.c (process_reg_param): New function, broken out of
1536 expand_inline_function.
1537 (expand_inline_function): Call it.
1540 * i386.md (addsidi3_1): Delete unused variable temp.
1541 (addsidi3_2): Likewise.
1542 (clstrstrsi): Delete unused variable addr1.
1544 * rtl.h: Don't declare any functions also declared in recog.h.
1546 * Makefile.in (stupid.o): Update dependencies.
1547 (global.o): Likewise.
1549 * global.c: Include reload.h
1550 (reg_becomes_live): New function.
1551 (reg_dies): New function.
1552 (build_insn_chain): New function.
1553 (global_alloc): Call build_insn_chain before calling reload.
1555 * reload.h (struct needs): New structure definition.
1556 (struct insn_chain): Likewise.
1557 (reload_insn_chain): Declare variable.
1558 (new_insn_chain): Declare function.
1561 * reload1.c (reload_startobj): New variable.
1562 (reload_insn_chain): New variable.
1563 (unused_insn_chains): New variable.
1564 (new_insn_chain): New function.
1565 (init_reload): Initialize reload_startobj, not reload_firstobj.
1566 (reload): Initialize reload_firstobj.
1567 Before returning, free everything on the reload_obstack.
1569 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1570 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1571 current_chain): New variables.
1572 (reg_where_born): Delete variable.
1573 (REG_WHERE_BORN): New macro.
1574 (find_clobbered_regs): New function.
1575 (stupid_life_analysis): Don't allocate/free reg_where_born.
1576 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1577 reg_where_dead_chain.
1578 Use REG_WHERE_BORN instead of reg_where_born.
1579 While processing the insns, build the reload_insn_chain with
1580 information about register lifetimes.
1581 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1582 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1584 Compute and information about birth and death of pseudo registers in
1585 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1586 Delete code to set elements of reg_where_born.
1588 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1590 * tree.def (GOTO_EXPR): Modified documentation.
1591 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1594 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1596 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1597 loop_final_value, loop_comparison_code): No longer static.
1598 (unroll_loop): Delete loop_start_value update.
1599 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1600 loop_final_value, loop_comparison_code): Extern.
1601 (loop_start_value): Delete extern.
1602 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1603 loop_comparison_value, loop_comparison_code): Delete.
1604 (loop_optimize): Remove initialization for deleted variables.
1605 (strength_reduce): Delete analyze_loop_iterations call. Only call
1606 insert_bct if flag_branch_count_on_reg set.
1607 (analyze_loop_iterations): Delete.
1608 (insert_bct): Remove iteration count calculation. Move checks for
1609 viable BCT optimization to here. Obtain iteration count from
1610 loop_iterations and correct for unrolling. Check for enough
1611 iteration to be beneficial. Comment out runtime iteration count
1613 (insert_bct): Print iteration count in dump file. Remove
1614 loop_var_mode and use word_mode directly.
1616 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1617 * rs6000.c (rs6000_override_options): Use it.
1618 (optimization_options): Enable use of flag_branch_on_count_reg.
1619 * rs6000.md (define_function_unit): Describe 604e.
1621 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1623 * loop.c (move_movables): Corrected threshold calculation for
1624 moved_once registers.
1626 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1628 * loop.c (combine_givs_p): Fix test for identical givs.
1630 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1632 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1633 call abort if the function is already defined.
1635 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1637 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1638 truncation is not a no-op.
1640 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1642 * version.c: Bump for snapshot.
1644 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1646 * version.c: Bump for snapshot.
1648 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1650 * expmed.c (expand_divmod): Don't widen for computing remainder
1651 if we seem to have a divmod pattern for needed mode.
1653 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1655 * cpplib.c (macroexpand): Correct off-by-one error in handling
1658 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1660 * combine.c (expand_field_assignment): Don't do bitwise operations
1661 on MODE_FLOAT; pun to MODE_INT if possible.
1663 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1664 scott snyder <snyder@d0sgif.fnal.gov>
1666 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1667 linker. Recognize mangled names in quotes.
1669 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1671 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1672 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1673 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1674 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1676 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1678 * function.c (purge_addressof_1): If trying to take a sub-word
1679 integral piece of a floating point mode, put it on the stack.
1681 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1683 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1685 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1687 * PROJECTS: Remove template friends.
1689 * collect2.c (sort_ids): Remove unused variable.
1691 * tm.texi (MATH_LIBRARY): Document.
1692 (NEED_MATH_LIBRARY): Remove.
1694 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1695 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1697 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1699 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1700 last_end to 0x7fffffff.
1702 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1704 * function.c (purge_addressof_1): Do not perform endianness
1705 corrections on bitpos, who we call will do it for us.
1707 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1709 * h8300.c (WORD_REG_USED): Fix typo.
1710 (initial_offset): Use WORD_REG_USED.
1712 * h8300.c (handle_pragma): Fix typo.
1714 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1716 * caller-save.c (insert_save_restore): Break this function up
1717 into new functions insert_restore, insert_save and insert_one_insn.
1718 All callers changed.
1719 (insert_restore): New function, mostly broken out of
1720 insert_save_restore.
1721 (insert_save): Likewise.
1722 (insert_one_insn): Likewise.
1723 (restore_referenced_regs): New argument BLOCK. All callers changed.
1724 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1725 in this function, do it in insert_one_insn instead.
1727 * reload1.c (reload): Break out some more pieces into separate
1729 (dump_needs): New function, broken out of reload.
1730 (set_initial_elim_offsets): Likewise.
1731 (init_elim_table): Likewise.
1732 (update_eliminables): Likewise.
1734 * global.c (global_alloc): Delete code to manage the scratch_list.
1735 * local-alloc.c (qty_scratch_rtx): Delete.
1736 (scratch_block): Delete.
1737 (scratch_list): Delete.
1738 (scratch_list_length): Delete.
1739 (scratch_index): Delete.
1740 (alloc_qty_for_scratch): Delete.
1741 (local-alloc): Update initialization of max_qty.
1742 Delete code to manage the scratch list.
1743 Delete code to allocate/initialize qty_scratch_rtx.
1744 (block_alloc): Don't allocate quantities for scratches.
1745 Delete code to manage the scratch list.
1746 * regs.h (scratch_list): Delete declaration.
1747 (scratch_block): Delete declaration.
1748 (scratch_list_length): Delete declaration.
1749 * reload1.c (reload): Delete code to manage the scratch list.
1750 (spill_hard_reg): Likewise.
1751 (mark_scratch_live): Delete.
1753 * recog.c (alter_subreg): Delete declaration.
1755 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1757 * Makefile.in (cccp.o): Fix typo in last patch.
1759 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1761 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1762 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1764 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1766 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1767 NULL_RTX as an argument.
1769 * Makefile.in (unlibsubdir): Define.
1770 (DRIVER_DEFINES): Use unlibsubdir.
1771 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1772 (stmp-fixinc): Similarly.
1774 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1776 * regmove.c (regmove_optimize): Add variable old_max_uid.
1777 At the end of the function, update basic_block_end.
1779 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1781 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1782 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1785 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1787 * config/arm/arm.c: Improve interworking support.
1789 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1791 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1792 copied from reload_out[r] .
1794 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1796 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1797 with more than three size ranges.
1799 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1801 * rtl.c (mode_name): Add a null string at the end of the array.
1802 (mode_wider_mode): Change type to unsigned char.
1803 (mode_mask_array): New variable.
1804 (init_rtl): Update for mode_wider_mode type change.
1806 * rtl.h (mode_wider_mode): Change type to unsigned char.
1807 (mode_mask_array): Declare.
1808 (GET_MODE_MASK): Use mode_mask_array.
1810 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1812 * calls.c (expand_call) : Encapsulate code into
1813 copy_blkmode_from_reg.
1814 * expr.c (copy_blkmode_from_reg): New function.
1815 * expr.h (copy_blkmode_from_reg): New function.
1816 * integrate.c (function_cannot_inline_p): We can inline
1818 (expand_inline_function): Use copy_blkmode_from_reg
1819 if needed. Avoid creating BLKmode REGs.
1820 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1823 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1825 * config/v850/v850.c: Add function prototypes.
1826 Add support for v850 special data areas.
1828 * config/v850/v850.h: Add support for v850 special data areas.
1830 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1831 HANDLE_PRAGMA_PACK_PUSH_POP.
1832 (push_alignment): New function: Cache an alignment requested
1833 by a #pragma pack(push,<n>).
1834 (pop_alignment): New function: Pop an alignment from the
1836 (insert_pack_attributes): New function: Generate __packed__
1837 and __aligned__ attributes for new decls whilst a #pragma pack
1839 (add_weak): New function: Cache a #pragma weak directive.
1840 (handle_pragma_token): Document calling conventions. Add
1841 support for #pragma pack(push,<n>) and #pragma pack (pop).
1843 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1844 are defined enable HANDLE_PRAGMA_PACK.
1845 Move 'struct weak_syms' here (from varasm.c).
1846 Add pragma states for push and pop pragmas.
1848 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1851 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1852 HANDLE_GENERIC_PRAGMAS.
1854 * varasm.c: Move definition of 'struct weak_syms' into
1856 (handle_pragma_weak): Deleted.
1858 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1860 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1862 * c-decl.c (start_function): Add invocation of
1863 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1865 * tm.texi: Remove description of non-existant macro
1866 SET_DEFAULT_SECTION_NAME.
1868 (HANDLE_SYSV_PRAGMA): Document.
1869 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1871 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1873 * config.sub: Recognize i[34567]86-pc-udk as new target.
1874 * configure.in: Likewise.
1875 * config/i386/t-udk: New file.
1876 * config/i386/udk.h: New file.
1878 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1880 * reorg.c (check_annul_list_true_false): Remove unused variables.
1881 (steal_delay_list_from_target): Add missing "used_annul" variable.
1882 (try_merge_delay_insns): Close out half formed comment.
1884 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1886 * cpplib.c (macroexpand): If arg->raw_before or
1887 arg->raw_after, remove any no-reexpansion escape at the
1888 beginning of the pasted token. Correct handling of whitespace
1889 markers and no-reexpand markers at the end if arg->raw_after.
1891 * toplev.c (documented_lang_options): Recognize -include,
1892 -imacros, -iwithprefix, -iwithprefixbefore.
1893 * cpplib.c (cpp_start_read): Process -imacros and -include
1894 switches at the same time and in command-line order, after
1895 initializing the dependency-output code. Emit properly nested
1896 #line directives for them. Emit a #line for the main file
1897 before processing these switches, and don't do it again
1900 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1902 * function.c (purge_addressof_1): Use bitfield manipulation
1903 routines to handle mem mode < reg mode.
1905 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1907 * reorg.c (try_merge_delay_insns): Account for resources referenced
1908 in each instruction in INSN's delay list before trying to eliminate
1909 useless instructions. Similarly when looking at a trial insn's delay
1912 * reorg.c (check_annul_list_true_false): New function.
1913 (steal_delay_list_from_{target,fallthrough}): Call it and also
1914 refine tests for when we may annul if already filled a slot.
1915 (fill_slots_from_thread): Likewise.
1916 (delete_from_delay_slot): Return newly-created thread.
1917 (try_merge_delay_isns): Use its new return value.
1919 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1921 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1922 used to compute a giv or as some other non-counting use.
1924 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1926 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1927 * local-alloc.c (find_free_reg): Use it.
1928 * global.c (find_reg): Likewise.
1929 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1931 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1932 * caller-save.c (init_caller_save): Use it.
1933 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1935 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1937 * configure.in: Add --enable-cpplib option which uses cpplib
1938 for cpp, but doesn't link cpplib into cc1. Make help text
1939 capitalization consistent.
1940 * configure: Rebuilt.
1942 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1944 * function.c (gen_mem_addressof): If the address REG is
1945 REG_USERVAR_P make the new REG be so also.
1946 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1947 in an attempt to clarify slightly.
1949 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
1951 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
1952 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
1954 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
1956 * toplev.c: Fix last patch.
1958 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
1960 * loop.c (get_condition): Fix typo in May 9 change.
1962 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1964 * invoke.texi (-fexceptions): Merge 2 different descriptions.
1966 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1968 * toplev.c (documented_lang_options): Spelling corrections.
1970 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1972 * configure.in: new flags --with-ld and --with-as, equivalent
1973 to setting LD and AS environment variables. Test whether
1974 specified arguments are GNU commands, and report them with
1975 checking messages. Use the specified AS for configure
1978 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
1980 * gcc.c (find_a_file): when looking for `as' and `ld', return
1981 the DEFAULT program if it exists
1982 * collect2.c (main): use DEFAULT_LINKER if it exists
1984 * gcc.c (find_a_file): the test for existence of a full
1985 pathname was reversed
1987 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
1989 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
1990 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
1992 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
1994 * tree.h (TYPE_BINFO): Document.
1996 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
1998 * i386-coff.h (dbxcoff.h): Added.
2000 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2002 * toplev.c: fix bad patch around flag_data_sections.
2004 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2006 * reload1.c (reload): Use reload_address_index_reg_class and
2007 reload_address_base_reg_class when setting
2008 caller_save_spill_class. (Patch generated by Jim Wilson:
2011 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2013 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2014 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2015 * expr.c (store_field): Add alias_set parameter. Set the
2016 MEM_ALIAS_SET accordingly, if the target is a MEM.
2017 (expand_assignment): Use it.
2018 (store_constructor_field): Pass 0.
2019 (expand_expr): Likewise.
2021 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2023 * flags.h: Add flag_data_sections.
2024 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2025 (compile_file): Error if flag_data_sections not supported.
2026 * varasm.c (assemble_variable): Handle flag_data_sections.
2027 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2028 * config/mips/elf.h: Likewise.
2029 * config/mips/elf64.h: Likewise.
2030 * invoke.texi: Describe -fdata-sections.
2032 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2034 * invoke.texi (-ffloat-store): Clarify that this option
2035 does not affect intermediate results -- only variables.
2037 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2039 * cpp.texi: Update for Fortran usage from Craig.
2041 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2043 * rs6000.c (function_arg_boundary): Revert accidental change on
2046 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2048 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2049 (output_mi_thunk): Declare.
2051 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2052 (output_function_profiler): Use r12 for temp, instead of r11 so
2053 that we preserve the static chain register.
2055 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2057 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2059 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2061 * sh.c (gen_shl_sext): Fix case 5.
2063 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2065 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2067 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2069 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2070 accessing variables until they are initialized via va_arg().
2072 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2074 * reload1.c (reload_combine): Initialize set before using.
2076 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2078 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2081 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2083 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2084 operand3 with mask before using it. Patch provided by Jim Wilson.
2086 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2088 * config/sparc/sparc.c (function_value): Perform the equivalent of
2089 PROMOTE_MODE for ARCH64.
2090 (eligible_for_epilogue_delay): Allow DImode operations in delay
2091 slot of a return for ARCH64.
2093 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2095 * sh.md (sqrtsf2): Fix mode of sqrt.
2097 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2099 * reload1.c (choose_reload_regs): Also try inheritance when
2100 reload_in is a stack slot of a pseudo, even if we already got a
2103 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2105 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2106 (reload_cse_regs): New function body: call reload_cse_regs_1,
2107 reload_combine, reload_cse_move2add.
2108 When doing expensive_optimizations, call reload_cse_regs_1 a
2109 second time after reload_cse_move2add.
2110 (reload_combine, reload_combine_note_store): New functions.
2111 (reload_combine_note_use): New function.
2112 (reload_cse_move2add, move2add_note_store): New functions.
2114 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2116 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2117 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2119 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2120 more than 3 such reloads.
2122 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2123 RELOAD_FOR_X_ADDR_ADDR reload.
2125 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2127 * expr.c (store_constructor): When initializing a field that is smaller
2128 than a word, at the start of a word, try to widen it to a full word.
2130 * cse.c (cse_insn): When we are about to change a register,
2131 remove any invalid references to it.
2133 (remove_invalid_subreg_refs): New function.
2134 (mention_regs): Special treatment for SUBREGs.
2135 (insert_regs): Don't strip SUBREG for call to mention_regs.
2136 Check if reg_tick needs to be bumped up before that call.
2137 (lookup_as_function): Try to match known word_mode constants when
2138 looking for a norrower constant.
2139 (canon_hash): Special treatment for SUBREGs.
2141 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2143 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2144 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2145 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2146 and offsets in actual stack trampoline code so they match the
2147 commentary and actually work.
2149 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2151 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2153 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2154 tmake_file. Set extra_parts to needed crt objects.
2155 * configure: Rebuilt.
2156 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2157 (TARGET_DEFAULT): Set if default is v9 or ultra.
2158 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2159 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2160 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2161 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2162 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2163 (TARGET_VERSION): Define.
2164 (MULTILIB_DEFAULT): Define.
2165 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2166 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2167 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2169 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2170 * config/sparc/sparc.c (sparc_override_options): If arch and
2171 pointer size disagree, emit diagnostic and fix it up. If
2172 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2173 V8PLUS in 64-bit mode.
2174 * config/sparc/t-linux64: New file.
2175 * config/sparc/t-sol2-64: New file.
2176 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2177 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2178 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2179 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2180 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2181 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2183 (STARTFILE_SPEC): Set approriately based upon those.
2184 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2185 disposition of DEFAULT_ARCH32_P.
2186 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2187 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2188 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2189 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2190 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2192 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2194 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2196 * rtl.h (init_virtual_regs): New function.
2197 * emit-rtl.c (init_virtual_regs): Define.
2198 (insn_emit): Use it.
2199 * integrate.c (save_for_inline_copying): Likewise.
2201 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2203 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2204 (enum reg_class): Add NONARG_LO_REGS support.
2205 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2206 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2207 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2208 completes. Re-enable HImode REG+OFFSET addresses.
2209 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2211 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2213 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2215 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2216 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2217 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2219 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2221 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2222 jumps as a single entity, taking into account the size of the
2225 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2227 * tree.def (SWITCH_EXPR): New tree node definition.
2229 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2231 * version.c: Bump for snapshot.
2233 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2235 * version.c: Bump for snapshot.
2237 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2239 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2242 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2244 * Revert this patch.
2245 * reload.c (find_reloads): Do not replace a pseudo with
2246 (MEM (reg_equiv_addr)) in the initializing insn for the
2249 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2251 * final.c (final_scan_insn): Disable tracking CC across branches.
2253 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2255 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2256 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2257 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2258 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2259 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2261 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2263 * toplev.c (rest_of_compilation): Skip compiling anything with
2264 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2266 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2268 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2269 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2270 use in_libcall_block.
2271 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2272 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2275 Mon Sep 21 14:02:23 1998
2277 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2278 typo in no-fancy-math-387 description.
2280 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2282 * version.c: Bump for snapshot.
2284 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2286 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2288 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2290 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2291 documented in install.texi.
2292 (TARGET_OPTIONS) Likewise.
2294 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2296 * version.c: Bump for snapshot.
2298 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2300 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2301 * cccp.c (main): Likewise.
2303 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2304 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2307 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2309 * Makefile.in (LIBS): Link in libiberty.a.
2310 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2312 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2314 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2315 it to update bb boundaries. Update caller.
2316 * function.c (reposition_prologue_and_epilogue_notes): Update
2317 bb boundaries wrt the moved note.
2319 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2321 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2323 * configure: Regenerate.
2325 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2327 * alpha.c (alpha_sr_alias_set): New variable.
2328 (override_options): Set it.
2329 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2330 (mode_mask_operand): Fix signed-unsigned comparision warning.
2331 (alpha_expand_block_move): Likewise.
2332 (print_operand): Likewise.
2333 (get_aligned_mem): Use change_address.
2334 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2335 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2336 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2337 (alpha_align_insns): Remade from old alphaev5_align_insns
2338 to handle multiple processors.
2339 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2340 * output.h (label_to_alignment): Prototype.
2342 * tree.c (new_alias_set): New function.
2343 * tree.h (new_alias_set): Declare it.
2344 * c-common.c (c_get_alias_set): Use it.
2346 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2348 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2349 to an ABS expr, convert an unsigned input to signed.
2351 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2353 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2355 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2357 * configure.in: Add support for c4x targets.
2358 * configure: Rebuilt.
2360 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2362 * combine.c (distribute_notes): If an insn is a cc0 user, only
2363 delete it if we can also delete the cc0 setter.
2365 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2367 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2368 (invert_truthvalue): Enable truthvalue inversion for
2369 floating-point operands if -ffast-math.
2371 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2373 * configure.in: Disable collect2 for nextstep. Instead use
2375 * configure: Rebuilt.
2376 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2377 (ENDFILE_SPEC): Define.
2378 (OBJECT_FORMAT_MACHO): Define.
2379 (EH_FRAME_SECTION_ASM_OP): Define.
2380 * crtstuff.c: Handle MACHO.
2382 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2384 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2386 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2388 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2389 (_fpadd_parts): Get sign right for 0.
2391 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2393 * ginclude/varargs.h: Add support for C4x target.
2394 * ginclude/stdargs.h: Likewise.
2396 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2398 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2399 (alpha_emit_set_long_const): Rewrite to be callable from reload
2401 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2402 * alpha.md (movdi): Likewise.
2404 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2406 * arm.c (add_constant): New parameter address_only, change caller.
2407 Set it non-zero if taking the address of an item in the pool.
2408 (arm_reorg): Handle cases where we need the address of an item in
2411 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2413 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2414 memory addresses that are not in standard canonical form.
2416 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2418 * README.C4X: New file with information about the c4x ports.
2419 * ginclude/va-c4x.h: New file for c4x varargs support.
2420 * config/c4x: New directory with c4x port files.
2422 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2424 * reload.c (find_reloads): Do not replace a pseudo with
2425 (MEM (reg_equiv_addr)) in the initializing insn for the
2428 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2430 * toplev.c (rest_of_compilation): Set bct_p on second call to
2432 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2434 (strength_reduce): Only call analyze_loop_iterations and
2435 insert_bct if bct_p set.
2436 (check_dbra_loop): Fix typo.
2437 (insert_bct): Use word_mode instead of SImode.
2438 (instrument_loop_bct): Likewise. Do not delete iteration count
2439 condition code generation insn. Initialize iteration count before
2441 * rtl.h (loop_optimize): Update prototype.
2443 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2444 not doubleword aligned.
2446 * rs6000.c (optimization_options): New function.
2447 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2448 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2449 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2450 first; cr1 can be used for FP record condition insns.
2452 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2454 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2457 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2460 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2462 (block_move_call): New function: Call a library routine to copy a
2464 (m32r_expand_block_move): New function: Expand a "movstrsi"
2465 pattern into a sequence of insns.
2466 (m32r_output_block_move): New function: Expand a
2467 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2468 (m32r_block_immediate_operand): New function: Return true if the
2469 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2471 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2473 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2475 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2477 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2479 * regmove.c (copy_src_to_dest): Check that modes match.
2481 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2483 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2485 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2487 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2488 narrower than FLOAT_REGS.
2490 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2492 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2494 * Makefile.in (old_gxx_include_dir): removed
2496 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2498 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2501 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2502 (sh_handle_pragma): Change function arguments to match new
2503 specification for HANDLE_PRAGMA.
2505 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2507 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2509 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2510 When generating output, initialize missing struct member to zero.
2512 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2514 * regmove.c (copy_src_to_dest): Don't copy if that requires
2515 (a) new register(s).
2517 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2519 * global.c (reg_allocno): Now static.
2520 * reload1.c (reg_allocno): Delete declaration.
2521 (order_regs_for_reload): Take no arguments. Don't treat regs
2522 allocated by global differently than those allocated by local-alloc.
2524 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2526 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2527 condition, fix format strings.
2528 (output_function_epilogue): Likewise.
2530 * m68k/m68k.c: Don't include <stdlib.h> directly.
2532 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2534 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2535 mem_first_set, mem_last_set; because 0 can be a CUID.
2536 (oprs_unchanged_p): Use new definition.
2537 (record_last_reg_set_info): Likewise.
2538 (record_last_mem_set_info): Likewise.
2539 (compute_hash_table): Likewise.
2541 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2543 * rs6000.c (output_epilogue): Handle Chill.
2545 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2546 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2548 * combine.c (make_extraction): If no mode is specified for
2549 an operand of insv, extv, or extzv, default it to word_mode.
2550 (simplify_comparison): Similarly.
2551 * expmed.c (store_bit_field): Similarly.
2552 (extract_bit_field): Similarly.
2553 * function.c (fixup_var_regs_1): Similarly.
2554 * recog.c (validate_replace_rtx_1): Similarly.
2555 * mips.md (extv, extzv, insv expanders): Default modes for most
2556 operands. Handle TARGET_64BIT.
2557 (movdi_uld, movdi_usd): New patterns.
2559 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2560 equivalent memory location unless we have been provided a scratch
2561 register. Similarly do not call find_replacement unless a
2562 scratch register has been provided.
2564 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2566 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2569 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2571 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2572 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2573 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2574 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2575 * c-decl.c (init_decl_processing): Update accordingly.
2576 * expr.c (expand_builtin): Likewise.
2578 * rtl.h (global_rtl): Add cfa entry.
2579 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2580 (LAST_VIRTUAL_REGISTER): Update.
2581 * emit-rtl.c (global_rtl): Add cfa entry.
2582 (init_emit): Initialize it.
2583 * function.c (cfa_offset): New.
2584 (instantiate_virtual_regs): Initialize it.
2585 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2586 (expand_function_end): Call expand_eh_return.
2587 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2589 * except.c (current_function_eh_stub_label): Kill.
2590 (current_function_eh_old_stub_label): Likwise; update all references.
2591 (expand_builtin_set_return_addr_reg): Kill.
2592 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2593 (expand_builtin_set_eh_regs): Kill.
2594 (eh_regs): Produce a third reg for the actual handler address.
2595 (eh_return_context, eh_return_stack_adjust): New.
2596 (eh_return_handler, eh_return_stub_label): New.
2597 (init_eh_for_function): Initialize them.
2598 (expand_builtin_eh_return, expand_eh_return): New.
2599 * except.h: Update prototypes.
2600 * flow.c (find_basic_blocks_1): Update references to the stub label.
2601 * function.h (struct function): Kill stub label elements.
2603 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2604 register number is one that would be in the previous window.
2605 Provide a dummy definition for non-windowed targets.
2606 (get_reg_addr): New function.
2607 (get_reg, put_reg, copy_reg): Use it.
2608 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2609 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2611 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2612 (alpha_init_expanders): Initialize it.
2613 (alpha_expand_epilogue): Use it.
2614 * alpha.h: Declare it.
2615 * alpha.md (eh_epilogue): New.
2617 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2618 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2620 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2622 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2625 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2627 * except.h (struct eh_entry): Add false_label field.
2628 (end_catch_handler): Add prototype.
2629 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2630 (start_catch_handler): When using old style exceptions, issue
2631 runtime typematch code before continuing with the handler.
2632 (end_catch_handler): New function, generates label after handler
2633 if needed by older style exceptions.
2634 (expand_start_all_catch): No need to check for new style exceptions.
2635 (output_exception_table_entry): Only output the first handler label
2636 for old style exceptions.
2637 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2638 mechanism into one function, if a runtime matcher is provided.
2640 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2642 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2644 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2646 * integrate.c (copy_decl_list): Fix typo.
2648 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2650 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2653 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2655 * version.c: Bump for snapshot.
2657 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2659 * version.c: Bump for snapshot.
2661 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2663 * version.c: Bump for snapshot.
2665 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2667 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2669 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2671 * configure.in: remove usage of `!' to negate the result of a
2672 command; some common shells do not support it
2674 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2676 * configure.in: in sparc9-sol2 config, use 'if test' not
2678 * configure: Rebuilt.
2680 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2682 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2683 (CPP_CPU_DEFAULT_SPEC): Likewise.
2684 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2685 for arch64 libfuncs.
2687 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2690 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2692 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2694 * collect2.c: Don't declare `sys_siglist' here.
2695 (my_strsignal): Prototype and define new function. Use it in
2696 place of `sys_siglist' hacks.
2698 * mips_tfile.c: Likewise.
2700 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2701 (GCC_NEED_DECLARATIONS): Likewise.
2703 * system.h (strsignal): Prototype it, if necessary.
2704 (sys_siglist): Declare it, if necessary.
2706 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2708 * loop.c (move_movables): While removing insn sequences, preserve
2709 the next pointer of the most recently deleted insn when we skip
2712 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2714 * objc/config-lang.in: Do not output the name of the selected
2715 thread file when building the front-end. The Makefile for the
2716 runtime library will do this.
2718 * objc/Make-lang.in: Do not build the runtime library or install
2719 the Objective C header files. The Makefile for the runtime
2720 library will do this.
2722 * objc/Makefile.in (all.indirect): Only build the front-end.
2723 (compiler): Rename to `frontend'.
2724 (obj-runtime): Remove target.
2725 (copy-headers): Likewise.
2726 (clean): No need to remove `libobjc.a' any longer.
2728 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2730 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2731 supported with -mcpu=xxx.
2733 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2735 * flow.c (mark_set_1): Recognize multi-register structure return
2736 values in CALL insns.
2737 (mark_used_regs): Likewise.
2738 (count_reg_sets_1): Likewise.
2739 (count_reg_references): Likewise.
2740 * rtlanal.c (note_stores): Likewise.
2741 (reg_overlap_mentioned_p): Likewise.
2742 * haifa-sched.c (check_live_1): Likewise.
2743 (update_live_1): Likewise.
2744 (sched_analyze_1): Likewise.
2745 (sched_note_set): Likewise.
2746 (birthing_insn_p): Likewise.
2747 (attach_deaths): Likewise.
2749 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2752 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2754 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2756 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2758 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2760 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2762 * configure.in: Add check for GAS subsection -1 support.
2763 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2764 * configure config.in: Rebuilt.
2765 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2766 SImode is subsection -1 works, else use DImode.
2767 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2768 subsection -1 works.
2769 * config/sparc/sparc.c (sparc_output_addr_vec,
2770 sparc_output_addr_diff_vec): Use them if defined.
2772 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2774 * tree.h (DECL_ORIGIN): New macro.
2775 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2776 (copy_decl_list): Use it.
2777 (integrate_parm_decls): Likewise.
2778 (integrate_decl_tree): Likewise.
2779 * dwarf2out.c (decl_ultimate_origin): Simplify.
2780 * dwarfout.c (decl_ultimate_origin): Likewise.
2781 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2782 (pushdecl): Likewise.
2784 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2786 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2788 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2790 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2792 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2794 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2795 empty or has a single entry.
2797 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2798 before calling reg_to_stack.
2800 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2802 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2803 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2805 * c-tree.h (warn_long_long): Declare it.
2807 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2809 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2810 initialized float-int union if the value is a NaN.
2812 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2814 * c-lex.c (real_yylex): Don't warn about long long constants if
2815 we're allowing long long
2817 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2819 * except.h (current_function_eh_stub_label): Declare.
2820 (current_function_eh_old_stub_label): Declare.
2821 * function.h (struct function): New members eh_stub_label and
2823 * except.c (current_function_eh_stub_label): New variable.
2824 (current_function_eh_old_stub_label): New variable.
2825 (init_eh_for_function): Clear them.
2826 (save_eh_status): Save them.
2827 (restore_eh_status): Restore them.
2828 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2829 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2830 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2831 make an edge from the block that contains it to the block starting
2832 with the label if this label is one of the eh stub labels.
2833 If eh stub labels exist, show they are reachable from the last block
2836 * reload1.c (reload): Break out several subroutines and make some
2838 (calculate_needs_all_insns): New function, broken out of reload.
2839 (calculate_needs): Likewise.
2840 (find_reload_regs): Likewise.
2841 (find_group): Likewise.
2842 (find_tworeg_group): Likewise.
2843 (something_needs_reloads): New global variable, formerly in reload.
2844 (something_needs_elimination): Likewise.
2845 (caller_save_spill_class): Likewise.
2846 (caller_save_group_size): Likewise.
2847 (max_needs): Likewise.
2848 (group_size): Likewise.
2849 (max_groups): Likewise.
2850 (max_nongroups): Likewise.
2851 (group_mode): Likewise.
2852 (max_needs_insn): Likewise.
2853 (max_groups_insn): Likewise.
2854 (max_nongroups_insn): Likewise.
2855 (failure): Likewise.
2857 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2859 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2861 * loop.c (load_mems): Copy rtx for output mem.
2863 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2865 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2866 mips1 or mips2 either.
2868 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2870 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2872 (pa_adjust_insn_length): Update to work with new marking scheme
2873 for jumps inside switch tables.
2874 * pa.md (switch_jump): Remove pattern.
2875 (jump): Handle jumps inside jump tables.
2877 * Makefile.in (profile.o): Depend on insn-config.h
2879 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2881 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2883 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2885 Add preliminary native sparcv9 Solaris support.
2886 * configure.in: Recognize sparv9-*-solaris2*
2887 * configure: rebuilt
2888 * config.sub: Recognize sparcv9 just like sparc64.
2889 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2890 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2891 32-bit and 64-bit Solaris systems.
2892 * config/sparc/t-sol2: Assemble those with cpp.
2893 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2894 (*TF*_LIBCALL): If ARCH64 use V9 names.
2895 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2897 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2899 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2900 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2902 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2904 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2905 to Pmode if CASE_VECTOR_MODE is something else.
2907 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2909 * prefix.c (update_path): Correctly handle cases where PATH is
2910 a substring of the builtin prefix, but specifies a different
2913 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2915 * expr.c: Corrected comment about what MOVE_RATIO does.
2916 * config/alpha/alpha.h: Ditto.
2917 * config/1750a/1750a.h: Ditto.
2918 * config/clipper/clipper.h: Ditto.
2919 * config/i386/i386.h: Ditto.
2921 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2923 * configure.in (m68k-next-nextstep3*): Use collect2.
2924 Similarly for x86 NeXT configurations.
2925 * configure: Rebuilt.
2927 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2929 * configure.in: Don't assume srcdir is .../gcc
2930 * configure: Rebuilt.
2932 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2934 * global.c: Update comments.
2935 (global_alloc): Assign allocation-numbers
2936 even for registers allocated by local_alloc in case
2937 they are later spilled and retry_global_alloc is called.
2938 (mark_reg_store, mark_reg_clobber,
2939 mark_reg_conflicts, mark_reg_death): Always record a
2940 conflict with a pseudo register even if it has been
2941 assigned to a hard register.
2942 (dump_conflicts): Don't list pseudo registers already assigned to
2943 a hard register as needing to be allocated, but do list their
2945 * local-alloc.c: Update comment.
2947 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2949 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2950 * configure: Rebuilt.
2952 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
2954 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
2956 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
2957 for all targets that set -msoft-float.
2959 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2961 * toplev.c (print_switch_values): Make static to match prototype.
2963 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
2965 * configure.in: If we are unable to find the "gnatbind" program,
2966 then do not configure the ada subdir.
2967 * configure: Rebuilt.
2969 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
2971 * version.c: Bump for snapshot.
2973 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
2975 * version.c: Bump for snapshot.
2977 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2979 * Makefile.in (toplev.o): Depend on $(EXPR_H).
2980 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
2982 * gansidecl.h: Define ATTRIBUTE_NORETURN.
2984 * genattrtab.c: Have insn-attrtab.c include toplev.h.
2986 * genextract.c: Have insn-extract.c include toplev.h.
2988 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
2990 * toplev.c: Include expr.h.
2991 (really_sorry, fancy_abort): Remove prototypes.
2992 (set_target_switch): Add argument in prototype.
2993 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
2994 (v_really_sorry): Likewise.
2995 (print_version, print_single_switch, print_switch_values): Make
2996 static and add prototype arguments.
2997 (decl_printable_name): Add prototype arguments.
2998 (lang_expand_expr_t): New typedef.
2999 (lang_expand_expr): Declare as a lang_expand_expr_t.
3000 (incomplete_decl_finalize_hook): Add prototype argument.
3001 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3002 (botch): Likewise for variable `s'.
3003 (rest_of_type_compilation): Mark variables `type' and `toplev'
3004 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3005 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3006 (display_help): Make variable `i' an `unsigned long'.
3007 (main): Remove unused parameter `envp'.
3008 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3009 Cast -1 when comparing it with a `size_t'.
3011 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3012 prototype with ATTRIBUTE_NORETURN.
3013 (fatal_insn_not_found, fatal_insn, really_sorry,
3014 push_float_handler, pop_float_handler): Add prototypes.
3015 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3016 (do_abort, botch): Add prototypes.
3018 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3020 * final.c (final): If a label is reached only from a single jump,
3021 call NOTICE_UPDATE_CC on the jump and its predecessor before
3022 emitting the insn after the label.
3024 * i386.h: Add AMD K6 support.
3025 Change TARGET_* macros to use table lookup.
3026 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3027 (ADJUST_COST): Change definition to call function in i386.c.
3028 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3029 * i386.c: Add AMD K6 support.
3030 Add constants for feature tests used by TARGET_* macros.
3031 (split_di): If before reload, call gen_lowpart and gen_highpart.
3032 (x86_adjust_cost): New function.
3033 (put_jump_code): New function.
3034 (print_operand): New codes 'D' and 'd'.
3035 * i386.md: New insn types. New insn attribute "memory".
3036 Redefine scheduling parameters to use new types and add AMD K6
3037 support. Explicitly set type of most insns.
3038 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3039 Pro and K6 prefer movl $1,reg to incl reg.
3040 (adddi3, subdi3): Set cc_status.
3041 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3042 to int; x86 can't have more than 2^31 DImode shifts per file.
3043 (setcc): Combine all setcc patterns. Allow writing memory.
3044 Combine all jump patterns using match_operator.
3045 (*bzero): Name pattern. Emit mutliple stos instructions when that
3046 is faster than rep stos.
3047 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3050 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3052 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3055 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3057 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3058 not whatever we're generating now.
3060 * alpha.c (set_frame_related_p, FRP): New.
3061 (alpha_expand_prologue): Mark frame related insns.
3062 (alpha_expand_epilogue): Likewise, but with a null FRP.
3063 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3064 * alpha.md (exception_receiver): New.
3065 * alpha/crtbegin.asm (.eh_frame): New beginning.
3066 (__do_frame_setup, __do_frame_takedown): New.
3067 * alpha/crtend.asm (.eh_frame): New ending.
3068 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3069 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3070 (ASM_FILE_START): Don't emit .file for dwarf2.
3072 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3073 * rtl.c (reg_note_name): Likewise.
3074 * rtl.texi (REG_NOTES): Likewise.
3075 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3078 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3080 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3081 * i386.md (movsf, movdf, movxf): Validate memory address returned
3082 from force_const_mem. Kill useless REG_EQUAL setting code.
3084 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3086 * m68k.md (zero_extendsidi2): Fix typo.
3088 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3090 * configure.in: Removed references to the removed file
3091 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3092 * arm*-*-netbsd* and ns32k-*-netbsd*.
3093 * config/i386/xm-netbsd.h: Removed unnecessary file.
3094 * config/m68k/xm-netbsd.h: Likewise.
3095 * config/sparc/xm-netbsd.h: Likewise.
3096 * config/mips/xm-netbsd.h: Likewise.
3098 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3100 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3101 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3103 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3104 for exact section attributions.
3106 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3108 * i386/crtdll.h (CPP_PREDEFINES): Define.
3110 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3112 * m68k.md (5200 movqi): Do not allow byte sized memory references
3114 * m68k.c (output_move_qimode): Do not use byte sized operations on
3117 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3118 explicit rules for building. Similarly for alloca, vfprintf,
3119 choose-temp and mkstemp, getopt, getopt1, and obstack.
3120 (INCLUDES): Add $(srcdir)/../include.
3121 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3122 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3124 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3126 * gcc.c (do_spec_1): [case 'o'] Account for
3127 lang_specific_extra_outfiles.
3128 (main): Correctly clear all slots in outfiles for
3129 lang_specific_extra_outfiles. Set input_file_number before
3130 calling lang_specific_pre_link.
3132 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3134 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3136 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3138 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3140 (sparc_output_deferred_case_vectors): If no work to do, return.
3141 Fix thinko in Sept 1 change.
3143 1998-09-03 SL Baur <steve@altair.xemacs.org>
3145 * Makefile.in: add semicolon in BISON definition for portability.
3147 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3149 * config/nextstep.c (handle_pragma): Correct name of third
3152 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3154 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3155 * config/m32r/m32r.h: Make register 17 be fixed.
3156 * config/m32r/m32r.c: Use SImode for cc operations.
3158 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3160 * invoke.texi (Warning Options): Add -Wnon-template-friend
3163 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3165 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3167 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3169 * rs6000.md (movsf): Disable explicit secondary-reload-like
3170 functionality if TARGET_POWERPC64.
3171 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3174 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3176 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3177 and term.h from fixinc.wrap.
3179 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3181 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3182 safe to include both string.h and strings.h together.
3183 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3184 which headers to search for function declarations. Continue to
3185 prefer string.h over strings.h when both are not acceptable.
3187 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3189 * configure.in: Call GCC_HEADER_STRING.
3191 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3192 to include. Continue to prefer string.h over strings.h when both
3195 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3197 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3198 not assume top 32-bits of symbolic addresses are zero if
3201 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3203 * ginclude/va-alpha.h: Protect entire second portion of the
3204 file against double inclusion.
3206 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3208 Added support for the Boehm's garbage collector.
3209 * configure.in: Handle --enable-objc-gc.
3210 * configure: Rebuilt.
3211 * Makefile.in (CHECK_TARGETS): Add check-objc.
3212 (check-objc): New rule.
3213 * objc/Make-lang.in: Build a different Objective-C library that
3214 runs with the Boehm's collector.
3215 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3216 * objc/encoding.c: Correctly compute the size of compound types in
3217 the presence of bitfields. Skip the variable name of the type if
3218 any. Added support for long long.
3219 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3220 (_F_GCINVISIBLE): New mask.
3221 * objc/gc.c: New file. Compute the type memory mask associated with
3222 a class based on the runtime information.
3223 * objc/misc.c: Added the hooks that use the Boehm's collector
3224 allocation functions.
3225 * objc/objc-act.c (build_class_template): Generate a new class
3226 member (gc_object_type) to hold the class' type memory mask.
3227 (build_shared_structure_initializer): Initialize the new member to
3229 (encode_complete_bitfield): New function. Generate the new
3231 (encode_field_decl): Generate the new encoding only for the GNU
3233 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3235 (class_get_gc_object_type): New function to mark a pointer instance
3236 variable as a weak pointer.
3237 * objc/objc-features.texi: New file.
3238 * objc/objc.h (gc_object_type): New class member.
3239 * objc/objects.c (class_create_instance): Create a typed memory
3240 object when compiled with Boehm's collector support.
3241 * objc/sendmsg.c (__objc_init_install_dtable): Call
3242 __objc_send_initialize instead of setting the initialize flag.
3243 (__objc_send_initialize): Call __objc_generate_gc_type_description
3244 to generate the class type memory mask. Rewrite the code that
3245 sends the +initialize so that it is called only once (bug report
3246 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3247 * testsuite/objc: New testsuite for Objective-C type encoding.
3248 * testsuite/lib/objc-torture.exp: New file.
3249 * testsuite/lib/objc.exp: New file.
3251 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3253 * jump.c (jump_optimize): In if/then/else transformations, add
3254 another call to modified_between_p for the jump insn.
3256 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3258 * fix-header.c (symlink): Treat like readlink.
3260 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3262 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3265 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3267 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3268 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3269 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3271 * config/nextstep.c (handle_pragma): Take three arguments, as per
3272 the new HANDLE_PRAGMA macro specification.
3273 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3274 per the new HANDLE_PRAGMA macro specification.
3275 * config/i960/i960.c (process_pragma): Take three arguments, as
3276 per the new HANDLE_PRAGMA macro specification.
3278 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3280 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3281 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3282 if unknown pragmas are encountered.
3283 (handle_sysv_pragma): Interpret return code from
3284 handle_pragma_token (). Return success/failure indication rather
3285 than next unprocessed character.
3286 (pragma_getc): New function: retrieves characters from the
3287 input stream. Defined when HANDLE_PRAGMA is enabled.
3288 (pragma_ungetc): New function: replaces characters back into the
3289 input stream. Defined when HANDLE_PRAGMA is enabled.
3291 * c-pragma.c (handle_pragma_token): Return success/failure status
3294 * c-pragma.h: Change prototype of handle_pragma_token().
3296 * varasm.c: (handle_pragma_weak): Only create this function if
3297 HANDLE_PRAGMA_WEAK is defined.
3299 * c-common,c (decl_attributes): If defined call the expression
3300 contained within the INSERT_ATTRIBUTES macro before adding
3301 attributes to a decl.
3303 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3304 HANDLE_PRAGMA, which takes three arguments.
3305 (INSERT_ATTRIBUTES): Document this new macro.
3307 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3308 new INSERT_ATTRIBUTES macro.
3310 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3312 * config/sparc/sparc.md (movdf): Only generate special RTL for
3313 LABEL_REFs when PIC.
3314 (move_label_di): Remove
3315 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3316 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3317 references when PIC.
3318 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3319 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3320 output an .xword for all 64-bit cases.
3322 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3324 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3325 alignment, use FUNCTION_BOUNDARY instead.
3326 (sparc_output_deferred_case_vectors): Likewise.
3328 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3330 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3331 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3333 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3335 * alpha/va_list.h: New file.
3336 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3338 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3340 * NEWS: Add SCO Openserver and Unixware 7 notes.
3344 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3346 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3347 (record_constant_1): Handle RANGE_EXPR.
3349 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3351 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3352 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3353 and NOTE_INSN_RANGE_END specially.
3354 (reemit_notes): Likewise.
3356 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3358 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3359 (ultrasparc_sched_init): Remove unneeded &.
3361 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3363 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3364 for m68020-60, to prevent the use of fintrz.
3366 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3368 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3370 * Makefile.in: Likewise.
3371 * configure: Regenerated.
3373 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3375 * configure.in (gxx_include_dir): Changed to
3376 '${prefix}/include/g++'-${libstdcxx_interface}.
3377 * configure: Rebuilt.
3379 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3381 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3383 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3384 *sequences* *below* which scalar moves will be used.
3386 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3388 * collect2.c (mktemp): Delete unused declaration.
3390 * config/xm-netbsd.h: Remove unnecessary file.
3391 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3392 file anymore, it is not needed.
3394 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3396 * convert.c (convert_to_integer): Issue an error on conversions to
3399 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3401 * Makefile.in: Add lang_tree_files and gencheck.h.
3402 * configure.in: Generate them.
3403 * gencheck.c: Include gencheck.h.
3405 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3407 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3408 movdi_lo_sum_pic and movdi_high_pic and make visible.
3409 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3410 emit these when Pmode is not SImode.
3411 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3413 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3415 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3416 .linkonce directive after the first time.
3418 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3420 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3421 the clobbered operand overlaps with an input.
3422 (bne0_di): Similarly.
3424 * Makefile.in (INSTALL): Remove "--no-header" argument.
3426 * NEWS: Various updates.
3428 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3430 * config/sparc/sparc.c (arith_operand, const64_operand,
3431 const64_high_operand, arith_double_4096_operand): Mark mode as
3433 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3435 (sparc_emit_set_const64): Remove unused variable i.
3436 (sparc_splitdi_legitimate): Likewise for addr_part.
3437 (ultra_code_from_mask): Likewise for mask.
3438 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3439 reverse return values so it matches usage and comments.
3440 (ultra_flush_pipeline): Likewise.
3441 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3442 this_type, and allow loads and stores of differing FP modes as
3443 they do not create a conflict.
3444 (ultra_find_type): Initialize fpmode to SFmode, fix
3445 parenthesization thinkos in large conditional.
3446 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3447 Init free_slot_mask after ultra_cur_hist is reset, not before.
3448 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3449 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3450 use ultra_flush_pipeline instead, then re-init group pointer.
3451 Fix statement with no effect. If no progress made in, and no
3452 instructions scheduled at all, advance to new pipeline cycle else
3453 we get into an endless loop.
3454 (ultrasparc_adjust_cost): Remove previous arg.
3455 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3457 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3459 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3460 code. Use reg_overlap_mentioned_p to detect when source and
3461 destination overlap.
3462 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3464 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3466 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3467 COMPARISON_VAL, into invariant_p.
3469 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3471 * regmove.c (regclass_compatible_p): New function.
3472 (regmove_optimize): Use it.
3474 Use NREGS parameter insted of calling max_reg_num.
3476 (fixup_match_1): Don't use code = MINUS when later tieing with
3477 a hard register is likely.
3479 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3481 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3482 COMPARISON_VAL was normalized.
3484 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3486 * loop.c (check_dbra_loop): The loop ending comparison value
3487 must be an invariant or we can not reverse the loop.
3489 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3490 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3492 (load_mems_and_recount_loop_regs_set): Likewise.
3494 * i386.c (print_operand): Remove obsolete 'c' docs.
3496 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3498 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3499 * frame.c (init_object_mutex): New function.
3500 (init_object_mutex_once): Likewise.
3501 (find_fde): Call it.
3502 (__register_frame_info): Likewise.
3503 (__register_frame_info_table): Likewise.
3504 (__deregister_frame_info): Likewise.
3506 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3508 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3510 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3512 * loop.c (check_dbra_loop): Enable code for reversal
3513 of some loops without a known constant loop end.
3515 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3517 * haifa-sched.c (last_clock_var): New.
3518 (schedule_block): Initialize it.
3519 (schedule_insn): Use it to fill insn modes with issue information.
3521 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3522 Tag trapb and next insn with TImode.
3523 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3524 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3525 Invoke alphaev5_align_insns as appropriate.
3526 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3527 (MD_SCHED_VARIABLE_ISSUE): New.
3528 * alpha.md (attr type): Add multi.
3529 (define_asm_attributes): New.
3530 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3531 (arg_home): Likewise.
3532 (fnop, unop, realign): New.
3534 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3536 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3537 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3539 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3540 (rs6000-ibm-aix4.[12]*): Likewise.
3541 * configure: Regnerate.
3543 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3545 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3546 already contains the return address.
3548 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3550 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3551 word sized hunks when loading unaligned args into registers.
3553 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3554 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3556 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3558 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3560 * loop.c (check_dbra_loop): Add some code that would allow reversal
3561 of some loops without a known constant loop end if it were enabled.
3563 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3565 * mips.md (lshrsi3_internal2+2): Fix type-o.
3567 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3569 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3570 correctly with regards to stdio.h.
3572 * calls.c: Remove stdarg.h/varargs.h.
3575 * combine.c: Likewise.
3576 * cpperror.c: Likewise.
3577 * cpplib.c: Likewise.
3578 * cpplib.h: Likewise.
3579 * doprint.c: Likewise.
3580 * emit-rtl.c: Likewise.
3581 * final.c: Likewise.
3582 * fix-header.c: Likewise.
3584 * genattr.c: Likewise.
3585 * genattrtab.c: Likewise.
3586 * gencodes.c: Likewise.
3587 * genconfig.c: Likewise.
3588 * genemit.c: Likewise.
3589 * genextract.c: Likewise.
3590 * genflags.c: Likewise.
3591 * genopinit.c: Likewise.
3592 * genoutput.c: Likewise.
3593 * genpeep.c: Likewise.
3594 * genrecog.c: Likewise.
3595 * mips-tfile.c: Likewise.
3596 * prefix.c: Likewise.
3597 * protoize.c: Likewise.
3598 * regmove.c: Likewise.
3599 * toplev.c: Likewise.
3602 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3604 * config/sparc/sparc.c (sparc_override_options): If not
3605 TARGET_FPU, turn off TARGET_VIS.
3606 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3607 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3608 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3609 (movdi_insn_sp64): Add VIS fzero alternative.
3610 (clear_sf, clear_df): New VIS patterns.
3611 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3613 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3615 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3617 * loop.c (n_times_set, n_times_used, may_not_optimize,
3618 reg_single_usage): Convert to varrays. All uses changed.
3619 (insert_loop_mem): Return a value.
3620 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3621 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3624 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3627 * configure.in: Do not set thread_file to "irix" since no such
3630 * sparc.md (float abs/neg splits): Check reload_completed before
3631 calling alter_subreg.
3633 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3635 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3637 * config/sparc/sparc.h: Declare it.
3638 * config/sparc/sparc.md (float abs/neg splits): Use it.
3639 (all other splits): Handle SUBREGs properly where necessary.
3640 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3642 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3644 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3645 an insn on the unfilled_slots_list that has no delay slots.
3646 (fill_eager_delay_slots): Similarly.
3648 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3650 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3651 as an ordinary operand.
3653 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3655 * tree.c (valid_machine_attribute): Don't apply attributes to both
3658 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3660 * reload.c (operands_match_p): Handle rtvecs.
3662 * i386.c (legitimate_pic_address_disp_p): New.
3663 (legitimate_address_p): Use it.
3664 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3665 Handle constant pool symbols just like statics.
3666 (emit_pic_move): Use Pmode not SImode for clarity.
3667 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3668 [UNSPEC]: New, handling what we killed above.
3669 [PLUS]: Detect and abort on invalid symbol arithmetic.
3670 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3672 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3674 * alias.c: Include output.h.
3675 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3676 different if we're in a varargs function.
3677 * Makefile.in (alias.o): Depend on output.h
3679 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3681 * sh.h (GIV_SORT_CRITERION): Delete.
3683 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3685 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3686 * stupid.c (stupid_life_analysis): Ditto.
3687 * reload1.c (reload): Ditto.
3689 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3691 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3692 arith_double_4096_operand, arith_double_add_operand): New
3694 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3695 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3696 them to transform add/sub 4096 into add/sub -4096.
3698 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3700 * loop.c (scan_loop): Allocate some slop to handle pseudos
3701 generated by move_movables.
3702 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3705 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3707 * tree.def (DECL_RESULT): Correct documentation.
3709 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3711 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3712 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3713 conflicts will all RELOAD_FOR_OUTPUT reloads.
3715 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3716 loads the function result, substitute with a USE.
3718 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3720 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3721 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3722 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3723 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3724 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3725 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3727 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3728 'o' to 'm' for GPR variant constraints.
3730 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3732 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3734 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3736 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3737 when the source and destination overlap.
3739 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3740 clash with global type.
3742 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3744 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3746 * c-common.c (combine_strings): Also set TREE_READONLY.
3747 Change warn_write_strings to flag_const_strings.
3748 * c-decl.c, c-tree.h: Likewise.
3750 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3752 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3753 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3754 sequence, use SET/IOR instead so CSE can see it.
3755 * config/sparc/sparc.md (movhi_const64_special,
3756 movsi_const64_special): New patterns necessitated by that change.
3757 (movhi_high): Remove.
3758 (movhi_lo_sum): Change to match an IOR.
3759 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3760 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3761 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3762 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3763 registers are involved.
3764 (snesi_zero_extend split): Remove reload_completed test.
3765 (unnamed plus and minus zero_extend sidi splits): Add it.
3767 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3769 * extend.texi: Remove description of extension to explicit
3770 instantiation that is now endorsed by standard C++.
3772 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3774 * config/arc/arc.c (arc_initialize_pic): Remove.
3775 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3776 nothing on any platform and is invoked by no-one, it does not even
3777 appear in the documentation.
3778 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3779 * config/sparc/sparc.c (initialize_pic): Likewise.
3780 (find_addr_reg): Remove this as well, no longer referenced after
3783 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3785 * recog.c (validate_replace_rtx_group): New function.
3786 * recog.h (validate_replace_rtx_group): Declare it.
3787 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3788 the entire group of substitutions.
3790 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3792 * loop.c (load_mems): Fix initializers.
3794 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3796 * config/sparc/sparc.md (TFmode splits): Handle destination
3797 registers being referenced in the address correctly.
3799 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3800 TREE_UNSIGNED, when bitsize of type's mode is larger than
3801 HOST_BITS_PER_WIDE_INT.
3803 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3805 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3806 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3807 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3809 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3812 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3814 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3815 * h8300.h (TINY_DATA_NAME_P): Likewise.
3816 (STRIP_NAME_ENCODING): Handle '&'.
3818 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3819 register (it could be accessed via an outer SUBREG).
3820 (REG_OK_FOR_BASE_P): Likewwise.
3821 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3823 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3826 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3828 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3830 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3831 must be offsettable so the splits can be made.
3833 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3835 * config/i386/winnt.c: Include system.h, not stdio.h to get
3836 sys/param.h pulled in before rtl.h in case the system defines MIN
3839 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3841 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3843 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3845 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3847 * cpplib.c (cpp_define): Handle macros with parameters.
3849 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3851 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3852 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3853 and DImode 64-bit. Use llong for minimal-toc SFmode and
3854 SYMBOL_REF / LABEL_REF 64-bit.
3855 (output_function_profiler): Use llong for profiler label and ld to
3856 load 64-bit label address.
3858 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3860 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3863 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3865 * version.c: Bump for snapshot.
3867 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3869 * version.c: Bump for snapshot.
3871 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3873 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3875 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3877 * tm.texi (Misc): Fix typo "teh".
3879 * tm.texi (PIC): Fix typo "PPIC".
3881 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3882 effect when -O2 and higher.
3883 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3885 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3887 * regclass.c: Changed register set documentation to be consistent
3890 * final.c (final_start_function) Removed redundant test for
3893 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3895 * rtl.h (rtx_function): New type.
3896 (for_each_rtx): New function.
3897 * rtlanal.c (for_each_rtx): Define it.
3899 * recog.c (change_t): New type.
3900 (change_objects, change_old_codes, change_locs, change_olds):
3902 (changes): New variable.
3903 (validate_change): Dynamically allocate room for more changes, if
3904 necessary. Uses changes array instead of change_objects, etc.
3905 (apply_change_group): Use changes array instead of
3906 change_objects, etc.
3908 * loop.c (loop_mem_info): New type.
3909 (loop_mems): New variable.
3910 (loop_mems_idx): Likewise.
3911 (looop_mems_allocated): Likewise.
3912 (scan_loop): Remove nregs parameter.
3913 (next_insn_in_loop): New function.
3914 (load_mems_and_recount_loop_regs_set): Likewise.
3915 (load_mems): Likewise.
3916 (insert_loop_mem): Likewise.
3917 (replace_loop_mem): Likewise.
3918 (replace_label): Likewise.
3919 (INSN_IN_RANGE_P): New macro.
3920 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3921 (scan_loop): Remove nregs parameter, compute it after any new
3922 registers are created by load_mems. Use INSN_IN_RANGE_P and
3923 next_insn_in_loop rather than expanding them inline. Call
3924 load_mems to load memory into pseudos, if appropriate.
3925 (prescan_loop): Figure out whether or not there are jumps from the
3926 loop to targets other than the label immediately following the
3927 loop. Call insert_loop_mem to notice all the MEMs used in the
3928 loop, if it could be safe to pull MEMs into REGs for the duration
3930 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3932 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3934 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3936 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3938 * config/sparc/sparc.c (finalize_pic): Check for the correct
3939 nonlocal_goto_receiver UNSPEC number.
3940 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3941 making note of this dependency existing in sparc.c
3942 (negtf2_notv9 split): Give NEG SFmode.
3943 (negsf2): Fix insn output string.
3945 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3947 * c-common.c (decl_attributes): Issue an error if the argument
3948 to alias is not a string.
3950 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
3952 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
3953 pending memory flush list.
3955 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
3957 (try_combine): Allow combining insns with REG_LIBCALL notes.
3959 * expr.c (emit_block_move): Do not call memcpy as a libcall
3960 instead build up a CALL_EXPR and call it like any other
3962 (clear_storage): Similarly for memset.
3964 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
3967 * Makefile.in (cplus-dem.o): Provide explicit rules for building
3970 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
3971 and REG_LIVE_LENGTH as successful substitutions are made.
3973 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3975 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
3976 statement after end of loop label.
3978 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3980 * config/sparc/sparc.c (ultra_types_avail): New variable.
3981 (ultra_build_types_avail): New function to record mask of insn
3982 types in ready list at this cycle.
3983 (ultrasparc_sched_reorder): Call it.
3984 (ultra_find_type): Use it to quicken the search. Also simplif
3985 dependency check, don't use rtx_equal_p because we know exactly
3986 what we are looking for.
3988 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
3990 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
3991 for architecture v4.
3993 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3995 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
3997 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
3998 movdf_const_intreg and helper splits): New patterns to move float
3999 constants into integer registers.
4000 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4003 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4006 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4008 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4010 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4011 a BASE_REGS register is needed as an intermediate when copying
4012 a symbolic value into any register class other than BASE_REGS.
4014 * expr.c (move_by_pieces): No longer static. Remove prototype.
4015 * rtl.h (move_by_pieces): Add extern prototype.
4016 * mips.c (expand_block_move): Handle aligned straight line copy by
4017 calling move_by_pieces.
4019 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4022 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4024 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4025 jumps out of the loop to be treated as part of the exit test.
4027 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4028 Jeff Law <law@cygnus.com>
4030 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4031 * cplus-dem.c: Delete.
4033 * Makefile.in (fold-const.o): depend on $(RTL_H).
4035 * fold-const.c: Include rtl.h to get the prototype for
4036 `set_identifier_local_value'.
4038 * loop.c (express_from_1): Remove unused variable `tmp'.
4039 (combine_givs): cast the first argument of bzero to char *.
4041 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4043 * c-decl.c (init_decl_processing): Remove unneeded &.
4045 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4047 * except.c (set_exception_lang_code, set_exception_version_code):
4048 Change parameter from `short' to `int' to avoid using a gcc
4051 * except.h (set_exception_lang_code, set_exception_version_code):
4052 Likewise for prototypes.
4054 * flow.c (count_reg_references): Remove unused variables `regno'
4057 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4059 * prefix.c (translate_name): Cast the result of `alloca'.
4061 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4063 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4065 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4067 (valid_dbcc_comparison_p): Mark mode argument as unused.
4068 (symbolic_operand): Likewise.
4069 (legitimize_pic_address): Likewise.
4070 (const_uint32_operand): Likewise.
4071 (const_sint32_operand): Likewise.
4072 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4073 schedule_insns and comment out rest of file.
4075 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4077 (output_move_[hq]imode): Likewise.
4079 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4081 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4082 * invoke.texi: Corresponding changes.
4084 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4086 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4088 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4090 * config/sparc/sparc.c (ultra_code_from_mask,
4091 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4092 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4093 ultrasparc_sched_init, ultrasparc_variable_issue,
4094 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4095 functions to describe UltraSPARC pipeline exactly to Haifa.
4096 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4097 as there is nothing the scheduler can do about it. Indicate that
4098 REG_DEP_OUTPUT's collide. Fixup formatting.
4099 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4100 divide costs on Ultra for DImode.
4101 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4103 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4104 ieuN and add call_no_delay_slot to type list.
4105 (cti function unit): New unit for branches on UltraSPARC.
4106 (subx/addx insns): Set type to misc.
4107 (sidi zero/sign extension insns on arch64): Set type to shift.
4108 (sign_extendhidi2_insn): Set type to sload.
4110 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4112 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4113 (output_epilog): Use if != 0 for offset.
4114 (rs6000_fatal_bad_address): Prepare for Intl.
4115 * rs6000.h (rs6000_fatal_bad_address): Declare.
4116 * rs6000.md (movsfcc, movdfcc): Use else if.
4117 (elf_high): Use {liu|lis}.
4118 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4119 (movsi): Use rs6000_fatal_bad_address.
4121 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4123 * reload.c (find_equiv_reg): Reject equivalences separated
4124 by a volatile instruction.
4126 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4128 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4130 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4132 * alpha.md (movsicc): Fix mode mismatch.
4134 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4136 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4138 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4140 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4142 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4143 write-only modifier from operand 1 constraint.
4145 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4147 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4148 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4150 (sparc_emit_set_const64): Likewise, also when computing trailing
4151 bits do not negate low_bits and make fast_int an int.
4153 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4155 * loop.c (add_label_notes): Do not ignore references to labels
4156 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4157 * gcse.c (add_label_notes): Similarly.
4159 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4161 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4162 (adddi_dishl32): Similarly.
4164 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4166 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4167 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4168 * cse.c (cse_basic_block): Add parens to shut up warnings.
4170 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4172 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4173 sparc_emit_set_const64_longway, const64_is_2insns,
4174 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4175 in 64-bit constant formation.
4176 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4177 rtl for addx not subx.
4178 (define_insn movdi_const64_special): Make available even when
4179 HOST_BITS_PER_WIDE_INT is not 64.
4180 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4181 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4182 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4183 instances of operand 1 inside a QI subreg.
4184 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4185 (one_cmpldi2_sp64): Fix output string.
4186 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4188 (unnamed arch64 ashift DI): Truncate shift count if greater than
4191 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4193 * expr.c (store_expr): Don't optimize away load-store pair
4194 when either source or destination have a side effect.
4196 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4198 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4199 operands of SET are incompatible.
4201 * alpha.md: Fix max and min patterns so modes of SET operands match.
4203 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4205 * configure.in: Avoid [[ by using test and changequote.
4206 * configure: Rebuild.
4208 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4210 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4212 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4213 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4214 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4215 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4216 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4217 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4218 Fix mismatching modes in SET operands.
4219 (conditional move patterns): Fix formatting.
4220 (unnamed subx arch64 pattern): Remove duplicate insn.
4222 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4224 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4225 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4226 (input_operand): Fixup test for what we accept for constant
4228 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4230 (safe_constDI): Remove.
4231 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4232 gen_safe_XOR64): New functions.
4233 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4234 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4236 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4237 available when HOST_BITS_PER_WIDE_INT is not 64.
4238 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4239 move before movdi_insn_sp64 pattern.
4240 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4241 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4242 symbolic_operand as predicate for second operand.
4243 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4244 expander): Give set VOIDmode.
4246 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4248 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4250 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4252 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4254 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4256 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4258 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4260 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4262 * install.texi: Various SCO OpenServer tweaks.
4264 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4266 * reload1.c (eliminate_regs_in_insn): Handle another case when
4267 eliminating the frame pointer to the hard frame pointer. Add
4268 missing ep->to_rtx check to one existing case.
4270 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4272 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4274 * tree.h: De-conditionalize init_priority code.
4276 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4277 * collect2.c (NM_FLAGS): Change from -p to -n.
4279 * configure.in: Turn on collect2 for mipstx39-elf.
4280 Handle use_collect2=no properly.
4282 * c-common.c: De-conditionalize init_priority code.
4283 * collect2.c (extract_init_priority, sort_ids): New fns.
4284 (main): Call sort_ids.
4285 Move sequence_number to file scope.
4287 * configure.in: Handle --enable-init-priority.
4288 * c-common.c (attrs): Add A_INIT_PRIORITY.
4289 (init_attributes, decl_attributes): Likewise.
4290 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4291 * tree.c (get_file_function_name_long): Split out...
4292 (get_file_function_name): ...from here.
4294 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4296 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4299 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4301 * toplev.c (display_help): Add braces to shut up warnings.
4302 * tree.c (simple_cst_equal): Likewise.
4304 * fold-const.c (non_lvalue): Don't deal with null pointer
4306 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4308 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4309 of any size to a pointer.
4311 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4313 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4315 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4317 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4318 which will be saved.
4319 * mn10300.md (prologue insn): Only save registers which need saving.
4320 (epilogue insn): Similarly.
4322 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4325 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4327 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4328 VAR_DECL's in gp addressable sections.
4330 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4332 * sparc.c: Change return <exp> to <exp>; return; in functions
4334 * sparc.md: Add empty semicolon statement after final label in
4337 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4339 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4340 addx_extend_sp64, only allow when TARGET_ARCH64.
4341 (define_insn addx_extend_sp32 and split): Version that works when
4343 (define_insn subx_extend): Likewise.
4344 (define_split adddi3 and subdi3 with zero extension): Fixup and
4345 correct bugs when not TARGET_ARCH64.
4347 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4349 * except.c (set_exception_lang_code, set_exception_version_code):
4350 Use prototype-style definition if __STDC__, to match declaration
4353 * genemit.c: Change FAIL and DONE macros not to use loops.
4355 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4357 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4358 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4360 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4362 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4364 * README.g77: Update from Craig.
4366 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4368 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4370 (safe_constDI sparc_emit_set_const64_quick1,
4371 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4372 analyze_64bit_constant, const64_is_2insns,
4373 create_simple_focus_bits): Fix some bugs when compiled on real
4375 (function_arg_record_value_3, function_arg_record_value_2,
4376 function_arg_record_value): Add fully prototyped forward decls.
4377 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4378 to cmpsi_insn and use on both 64 and 32 bit targets.
4379 (define_insn cmpsi_insn_sp64): Remove.
4380 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4381 (define_insn zero_extendsidi2_insn): Rename to
4382 zero_extendsidi2_insn_sp64.
4383 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4384 assosciated forced split for it.
4386 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4388 * config/sparc/sparc.h: Declare them.
4389 (PREDICATE_CODES): Add them.
4390 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4391 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4393 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4395 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4396 in v9 case as the latter makes the Solaris assembler crash.
4398 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4400 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4401 for TFmode when !v9. We require offsettable memory addresses.
4402 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4403 DFmode register number conversions.
4404 * config/sparc/sparc.md (define_split DFmode moves): If register
4405 is a SUBREG do alter_subreg on it before using.
4406 (define_expand movtf): Fixup comment about alignment on v9.
4407 (define_split TFmode moves): Don't use gen_{high,low}part, create
4408 explicit SUBREGs instead.
4410 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4412 * Makefile.in (mbchar.o): Depend on mbchar.c.
4414 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4415 Richard Henderson <rth@cygnus.com>
4417 Rewrite Sparc backend for better code generation and
4418 improved sparc64 support.
4419 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4421 * config/sparc/sysv4.h: Likewise.
4422 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4423 move_operand, v8plus_regcmp_op, emit_move_sequence,
4424 singlemove_string, doublemove_string, mem_aligned_8,
4425 output_move_double, output_move_quad, output_fp_move_double,
4426 move_quad_direction, output_fp_move_quad, output_scc_insn):
4428 (small_int_or_double): New predicate.
4429 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4430 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4431 old pic_{sethi,lo_sum}_si patterns.
4432 (mem_min_alignment): New generic function to replace
4433 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4434 available and can test for arbitrary alignments. All callers
4436 (save_regs, restore_regs, build_big_number,
4437 output_function_prologue, output_cbranch, output_return,
4438 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4439 sparc_flat_output_function_epilogue): Prettify
4441 (output_function_epilogue): Likewise and add code to output
4442 deferred case vectors.
4443 (output_v9branch): Likewise, add new arg INSN and use it to tack
4444 on branch prediction settings. All callers changed.
4445 (print_operand): Likewise and output %l44 for LO_SUMs when
4447 (sparc_splitdi_legitimate): New function to make sure DImode
4448 splits can be run properly when !arch64.
4449 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4450 Reformat example code in comments.
4451 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4452 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4453 of deferred case vectors we need to output.
4454 (sparc_defer_case_vector): Record a case vector.
4455 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4456 sparc_output_deferred_case_vectors): New functions to output them.
4457 (sparc_emit_set_const32): New function to form 32-bit constants in
4458 registers when that requires more than one instruction.
4459 (safe_constDI, sparc_emit_set_const64_quick1,
4460 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4461 analyze_64bit_constant, const64_is_2insns,
4462 create_simple_focus_bits, sparc_emit_set_const64): New functions
4463 which do the same for 64-bit constants when arch64.
4464 (sparc_emit_set_symbolic_const64): New function to emit address
4465 loading for all code models on v9.
4466 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4467 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4468 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4469 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4470 inaccuracies in comments, add symbolic and text_segment operands
4471 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4472 GENERAL_REGS in these cases as a temp REG is needed to load these
4473 addresses into a register properly.
4474 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4476 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4477 quads are guarenteed to have 16-byte alignment.
4478 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4479 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4480 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4481 deferred case vector implementation.
4482 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4483 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4484 Generate "internal label - label" instead of "label - 1b".
4485 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4486 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4487 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4489 (doublemove_string, output_block_move, output_fp_move_double,
4490 output_fp_move_quad, output_move_double, output_move_quad,
4491 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4492 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4493 (sparc_emit_set_const32, sparc_emit_set_const64,
4494 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4495 mem_min_alignment, small_int_or_double): Add externs.
4496 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4497 UNSPEC_VOLATILE in this backend.
4498 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4499 unary to types which execute in it.
4500 (define_function_unit ieu_shift): Rename to ieu0.
4501 (define_function_unit ieu1): New, executes compare, call, and
4502 uncond_branch type insns.
4503 (define_function_units for type fdivs, fdivd, fsqrt): These
4504 execute in the fpu multiply unit not the adder on UltraSparc.
4505 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4506 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4507 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4508 allows the arith_double_operand predicate and rHI constraint when
4510 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4511 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4512 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4513 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4514 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4515 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4516 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4517 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4518 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4519 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4520 sign_extendqihi2_insn, sign_extendqisi2_insn,
4521 sign_extendqidi2_insn, sign_extendhidi2_insn,
4522 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4523 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4524 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4525 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4526 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4527 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4528 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4529 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4530 smulsi3_highpart_v8plus, unnamed subreg mult,
4531 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4532 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4533 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4534 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4535 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4536 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4537 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4538 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4539 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4540 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4541 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4542 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4543 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4544 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4545 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4546 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4547 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4548 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4549 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4550 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4551 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4552 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4553 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4554 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4555 call_address_untyped_struct_value_sp32,
4556 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4557 call_value_symbolic_sp32, call_value_address_sp64,
4558 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4559 flush_register_windows, goto_handler_and_restore,
4560 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4561 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4562 return_addsi, return_di, return_adddi, return_sf, all call+jump
4563 peepholes, trap, unnamed trap insns): Prettify output strings.
4564 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4565 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4566 Likewise and force + implement splits for integer cases.
4567 (define_insn return_sf_no_fpu): Likewise and allow to match when
4568 no-fpu because of our subreg SFmode splits.
4569 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4570 zero_extendqidi2_insn, zero_extendhidi2_insn,
4571 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4572 input_operand for second operand.
4573 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4574 reg_or_0_operand for operand 2 so new splits can use it.
4575 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4576 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4578 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4579 CONST_DOUBLEs for operand 2.
4580 (define_insn move_label_di): Likewise and label distance
4581 optimization because it no longer works with new deferred case
4582 vector scheme. To be revisited.
4583 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4584 and allow reg_or_0_operand and J constraint for second operand.
4585 (define_insn jump): Set branch predict taken on V9.
4586 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4587 new deferred case vector scheme.
4588 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4589 (define_insn negdi2_sp32): Force + implement splits.
4590 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4591 one_cmplsi2_not_liveg0 respectively, and create expander of original
4592 names which emit special rtl for TARGET_LIVE_G0.
4593 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4594 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4595 gen_compare_reg, FAIL instead.
4596 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4597 values when trying to reverse condition codes, if they FAIL then
4599 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4600 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4601 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4602 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4603 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4604 set output string to # to indicate they are mandatory splits.
4605 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4606 pic_sethi_di, move_pic_label_si): Remove.
4607 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4608 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4610 (define_expand movsi_pic_label_ref, define_insn
4611 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4612 expander and insns to handle PIC label references and deferred
4614 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4616 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4617 Rewrite to not use emit_move_sequence, make use of new constant
4618 formation code, and new splits for all multi-insn cases.
4619 (define_insn movqi_insn): Remove sethi case, it can never happen.
4620 Use reg_or_zero_operand instead of const0_rtx explicit test,
4621 use input_operand instead of move_operand for source, and use
4622 general_operand now for dest.
4623 (define_insn movhi_insn): Similar but leave sethi case.
4624 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4625 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4626 movhi_lo_sum respectively, prettify output string.
4627 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4628 register when needed on TARGET_LIVE_G0.
4629 (define_insn movsi_insn): Use general_operand and input_operand
4630 for dest and src respectively. Simplify applicability test.
4631 Prettify output strings, and add clr alternative for J
4633 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4634 deprecated std and reg-reg DI moves): Remove and...
4635 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4636 implementation which uses forced splits for all non-single insn
4638 (define_split DI move cases on !arch64): New splits to handle all
4639 situations of 64-bit double register DImode on 32bit, and
4640 unaligned registers and memory addresses for all subtargets.
4641 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4643 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4644 input_operand for dest and src respectively, prettify output
4646 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4647 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4649 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4650 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4651 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4652 movtf_no_e_insn_sp64) Replace with new
4653 implementation which uses forced splits for all non-single insn
4655 (define_split DF move cases): New splits in similar vein to DI
4657 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4658 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4659 movdi_sp64_insn): Remove old v9 code model and constant loading
4661 (define_insn pic_lo_sum_di, pic_sethi_di,
4662 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4663 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4664 embmedany_sethi, embmedany_losum, embmedany_brsum,
4665 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4666 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4667 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4668 scheme, using unspecs, secondary reloads, and one to one sparc
4669 insn to rtl insn mapping for better scheduling and code gen.
4670 (define_expand reload_indi, reload_outdi): Reload helpers for
4671 MEDANY and EMBMEDANY symbol address loading cases which require a
4673 (define_expand movsicc): Remove v8plus_regcmp cases.
4674 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4675 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4676 cmp_diqi_trunc_set): New patterns used by some of the new scc
4678 (define_insn xordi3_sp64_dbl): New pattern used for constant
4679 formation when crossing from 32-bit targets.
4680 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4682 (define_insn addx, subx): Make visible and prettify.
4683 (define_insn adddi3_insn_sp32): Likewise and force split.
4684 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4685 64bit scc split usage.
4686 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4687 zero_extend, subdi3): Force and implement splits.
4689 * final.c (final_scan_insn): Don't output labels if target
4690 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4693 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4694 don't forget to walk inside SEQUENCESs too as these are what the
4695 delay slot scheduler will create.
4697 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4699 * alpha.md (extxl+1,+2): New patterns to work around
4702 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4704 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4705 caused bad assembly code to be generated.
4707 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4709 * netbsd.h: Fix typo.
4711 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4713 * config.sub: Fix typo.
4715 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4717 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4719 (Running Protoize): Typo: Change "ther" into "other".
4721 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4723 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4724 * m68k/netbsd.h: Likewise.
4725 * ns32k/netbsd.h: Likewise.
4726 * sparc/netbsd.h: Likewise.
4728 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4730 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4731 * ginclude/va-clipper.h (va_list): Likewise.
4733 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4735 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4736 load/store multiple instructions unless user overrides.
4738 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4740 * ns32k/netbsd.h: Fix typo.
4742 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4744 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4745 labels with .debugsym if no parallel insns.
4747 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4749 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4750 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4752 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4754 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4755 (AR_FOR_TARGET): Define.
4757 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4759 * dyn-string.h: New file.
4760 * dyn-string.c: Likewise.
4761 * Makefile.in (OBJS): Add dyn-string.o.
4762 (dwarf2out.o): Add dyn-string.h dependency.
4763 (dyn-string.o): List dependencies.
4764 * dwarf2out.c: Include dyn-string.h.
4765 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4766 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4767 prototype. Use dyn_string_append rather than strcat, throughout.
4768 (addr_to_string): Use dyn_string_t.
4770 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4772 Function entry/exit profiling instrumentation:
4773 * expr.h (profile_function_entry_libfunc,
4774 profile_function_exit_libfunc): Declare new variables.
4775 * optabs.c: Define them here.
4776 (init_optabs): Initialize them.
4777 * tree.h (struct tree_decl): New flag
4778 no_instrument_function_entry_exit.
4779 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4780 * c-decl.c (duplicate_decls): Merge it.
4781 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4782 (init_attributes): Use it for "no_instrument_function".
4783 (decl_attributes): Handle it, for functions that have not yet been
4784 compiled. Set decl flag.
4785 * flags.h (flag_instrument_function_entry_exit): Declare new
4787 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4788 (f_options): New option "instrument-functions".
4789 * function.h (struct function): New field instrument_entry_exit.
4790 * function.c (current_function_instrument_entry_exit): New
4792 (push_function_context_to, pop_function_context_from): Save and
4794 (expand_function_start): Set current_ variable, maybe emit return
4795 label and entry profile call.
4796 (expand_function_end): Maybe emit exit profile call.
4798 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4800 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4801 NON_QI_REG_P, pretend the register is SImode.
4803 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4805 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4806 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4807 manufacturer id for ns32k.
4808 * configure: Regenerated.
4809 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4810 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4811 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4812 * config/m68k/netbsd.h: Same.
4813 * config/ns32k/netbsd.h: Same.
4814 * config/sparc/netbsd.h: Same.
4816 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4818 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4819 or UNROLL_COMPLETELY loop that starts with a jump to its
4822 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4824 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4825 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4826 (print_operand, case 'B'): Don't fall through.
4827 (print_operand, case 'S'): Correct mask begin/end computation.
4828 Use HOST_BITS_PER_WIDE_INT.
4829 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4830 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4831 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4832 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4834 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4836 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4837 constraint from second alternative.
4839 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4841 * configure.in: Fix --without/--disable cases for local-prefix,
4842 gxx-include-dir and checking.
4844 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4846 * configure.in (enable_haifa): Set by default for sparc64 too.
4849 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4851 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4852 * i386/winnt.c (associated_type): New fn.
4853 (i386_pe_valid_type_attribute_p): New fn.
4854 (i386_pe_check_vtable_importexport): Remove.
4855 (i386_pe_dllexport_p): Use associated_type.
4856 (i386_pe_dllimport_p): Likewise.
4858 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4859 * i386.c (i386_valid_type_attribute_p): Also accept
4860 attributes for METHOD_TYPEs.
4862 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4864 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4866 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4868 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4870 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4871 them from generating a new base name for each occurence of
4874 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4876 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4878 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4882 * cplus-dem.c (type_kind_t): New type.
4883 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4884 on this paramter, rather than demangling the type again.
4885 (demangle_integral_value): Pass tk_integral.
4886 (demangle_template_: Pass the value returned from do_type.
4887 (do_type): Return a type_kind_t. Pass tk_integral to
4888 demangle_template_value_parm for array bounds.
4889 (demangle_fund_type): Likewise.
4891 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4893 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4896 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4898 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4900 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4902 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4904 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4907 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4909 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4910 (DEBUGGER_ARG_OFFSET): Likewise.
4912 * mn10300.md (movsf): Remove last change. Not needed.
4914 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4916 * c-lex.c (yylex): Fix boundary conditions in character literal and
4917 string literal loops.
4919 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4921 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4922 being invoked incorrectly.
4924 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4925 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4927 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4928 * configure.in: Added i[34567]86-*-win32
4929 * config.sub: Ditto.
4930 * configure: Rebuilt.
4932 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4934 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4935 the frame pointer and compiling PIC code and reload has not completed.
4937 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4940 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4942 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4944 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4946 * Makefile.in (install-info): Only try to update the info
4947 directory file if it exists in the first place.
4949 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
4951 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
4953 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
4955 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
4956 CONST_DOUBLE source.
4958 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
4960 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
4961 strings as the insertion of USER_LABEL_PREFIX.
4962 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
4964 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
4967 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
4969 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
4970 already defined type.
4972 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
4974 * expr.c (check_max_integer_computation_mode): Allow conversions
4975 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
4976 (expand_expr): Likewise.
4978 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4980 * expr.c (expand_expr): Expand RETURN_EXPR.
4982 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
4984 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
4986 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
4988 * dwarf2out.c (output_aranges): Call stripattributes
4989 for TEXT_SECTION references.
4990 (output_line_info): Likewise.
4992 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4994 * profile.c (branch_prob): Call allocate_reg_info after outputting
4995 profile rtl in instrument_arcs.
4997 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
4999 * fixinc.irix (math.h): Install wrapper instead of copying.
5001 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5003 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5004 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5005 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5006 lang_flag_0. Added documentation in the flag table.
5008 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5010 * cccp.c (do_include): Fix vax c style include handling.
5012 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5014 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5016 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5018 * fold-const.c (non_lvalue): Don't deal with null pointer
5020 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5022 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5024 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5025 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5026 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5027 (u_short_cint_operand): Same.
5028 (reg_or_cint_operand): Same.
5029 (logical_operand): Same.
5030 (input_operand): Same.
5031 (reg_or_short_operand): Use u_short_cint_operand.
5033 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5035 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5036 but keep the insns and splits. Adjust so when the ultimate destination
5037 is memory, use cvtql.
5039 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5041 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5043 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5045 * gcc.c (do_spec): Call "error" not "warning".
5047 * configure.in: Fix minor problems with gas feature detection code.
5048 * configure: Rebuilt.
5050 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5053 * gcc.c: Delete %[spec] support.
5054 (do_spec_1, case '('): Likewise.
5055 (do_spec_1, case '['): Call error.
5057 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5059 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5060 (CPP_SUBTARGET_SPEC): Default to empty string.
5061 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5062 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5063 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5064 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5066 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5067 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5068 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5069 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5070 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5071 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5072 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5073 * alpha/vxworks.h: Likewise.
5075 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5077 * mips.md (reload_outsi): Added missing REGNO call.
5078 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5080 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5081 another match_operator and compare the codes.
5083 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5085 * MIPS multiply pattern fixes:
5086 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5087 Add union classes for HI, LO, or HILO plus general registers.
5088 (GENERATE_MADD): Deleted.
5089 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5090 Add TARGET_MAD to condition.
5091 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5092 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5093 "*d" for accumulator, to give preference to LO initially but not
5096 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5098 * configure.in (enable_c_mbchar): New configure option.
5099 (extra_cpp_objs): Always available now.
5101 * cexp.y (mbchar.h): #include it.
5102 (yylex): Handle Multibyte characters in character literals.
5104 * cccp.c (mbchar.h): #include it.
5105 (main): Set character set based on LANG environment variable.
5106 (rescan): Handle multibyte characters in comments.
5107 (skip_if_group): See above.
5108 (validate_else): See above.
5109 (skip_to_end_of_comment): See above.
5110 (macarg1): See above.
5111 (discard_comments): See above.
5112 (rescan): Handle multibyte characters in string and character literals.
5113 (collect_expansion): See above.
5114 (skip_quoted_string): See above.
5115 (macroexpand): See above.
5116 (macarg1): See above.
5117 (discard_comments): See above.
5118 (change_newlines): See above.
5120 * c-lex.c (mbchar.h): #include it.
5121 (GET_ENVIRONMENT): New macro.
5122 (init_lex): Set character set based on LANG environment variable.
5123 (yylex): Handle multibyte characters in character literals.
5124 (yylex): Handle multibyte characters in string literals.
5126 * Makefile.in (mbchar.o): New target.
5127 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5128 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5130 * mbchar.[ch]: New files for multibyte character handling.
5132 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5134 * jump.c (jump_optimize): When simplifying noop moves and
5135 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5136 the PUSHes to rewrite in second loop as we did in the first.
5138 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5140 * cplus-dem.c (demangle_nested_args): Make function definition
5141 static to match the prototype.
5143 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5145 * alloca.c: Respect USE_C_ALLOCA.
5146 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5147 * gengenrtl.c (xmalloc): Likewise.
5149 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5151 * loop.h (struct induction): Add no_const_addval.
5152 * loop.c (the_movables, reg_address_cost): New variables.
5153 (init_loop): Init reg_address_cost.
5154 (loop_optimize): Call end_alias_analysis.
5155 (scan_loop): Init the_movables.
5156 (record_giv): Init induction->no_const_addval.
5157 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5158 [REG]: Rearrange loop search test to catch more cases.
5159 (general_induction_var): Return success not benefit; take an extra
5160 argument for that. Change all callers.
5161 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5162 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5163 [default]: Search the_movables for additional combinations.
5164 (sge_plus_constant, sge_plus): New functions.
5165 (express_from_1): New function.
5166 (express_from): Always define. Rewrite using express_from_1.
5167 (combine_givs_p): Handle more cases. Ignore address cost.
5168 (cmp_combine_givs_stats): New function.
5169 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5170 (combine_givs): Rewrite to do best-fit combination.
5172 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5173 (fold): Do a complete (A*C)+(B*C) association check.
5175 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5177 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5179 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5181 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5183 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5185 * tree.c (valid_machine_attribute): Only create a new type variant if
5186 there is a decl to use it.
5188 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5190 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5193 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5195 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5198 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5200 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5201 Simplify tests for clearing an address register.
5202 (expand_prologue): Corresponding changes.
5204 * mn10300.md (movXX patterns): Make sure the destination is an
5205 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5206 (logical patterns): Split into expanders + patterns
5207 (zero and sign extension patterns): Similarly.
5208 (shift patterns): Similarly.
5210 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5212 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5213 for the sequence, recording base values.
5215 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5217 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5219 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5221 * gcc.c: Remove ANSI-C ism from --help code.
5223 * toplev.c: Support --help with USE_CPPLIB.
5225 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5227 * configure.in: Rework gas feature code to work with symlink based
5230 * extend.texi: Clarify some issues related to local variables
5231 assigned to explicit registers.
5233 * mn10300.md (mulsi): Turn into expander + pattern.
5235 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5238 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5240 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5242 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5244 * version.c: Bump again to distinguish mainline tree from the
5247 See ChangeLog.0 for earlier changes.
5250 add-log-time-format: current-time-string
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