1 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
4 the argument to (unsigned char).
6 * alpha.h (EXTRA_SPECS): Add missing initializers.
7 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
10 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
12 * mn10200.md (truncated shift): Accept constant inputs too.
14 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
16 * machmode.h (mode_mask_array): No longer const.
17 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
19 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21 * frame.c: Somewhat explain `FDE'.
22 Suggested by Brendan Kehoe
24 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
26 * expr.c (pending_chain): Move up.
27 (save_expr_status): Do save pending_chain.
28 (restore_expr_status): And restore it.
29 * function.h (struct function): Add pending_chain.
31 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
33 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
34 did not match the code.
36 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
38 * regclass.c (regclass): Break out some code into new function
39 scan_one_insn, and into regclass_init.
40 (init_cost): New static variable, moved out of regclass.
41 (regclass_init): Initialize it here, not in .
42 (scan_one_insn): New static function, broken out of regclass.
43 * recog.c (apply_change_group): Break out some code into new
44 function insn_invalid_p.
45 (insn_invalid_p): New static fn, broken out of apply_change_group.
47 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
49 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
50 reg_reloaded_contents matches incremented pseudo.
52 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
54 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
56 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
57 addressing modes with side effects. These are currently
58 placeholders for the C4x target.
60 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
62 * loop.c (express_from): Make sure that when generating a PLUS of
63 a PLUS, any constant expression appears on the outermost PLUS.
65 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
67 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
68 works if "$(srcdir)" != ".".
70 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
72 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
73 existing SUBREG if we can, otherwise abort.
75 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
77 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
78 `restrict' is applied to a non-pointer variable.
80 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
82 * invoke.texi: Document -flang-isoc9x.
84 * Makefile.in (OBJS): Add splay-tree.o.
85 (c-common.o): Depend on rtl.h.
86 (splay-tree.o): List dependencies and provide build rule.
88 * rtl.h (record_alias_subset): New function.
89 * alias.c: Include splay-tree.h.
90 (alias_set_entry): New type.
91 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
92 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
93 (mems_in_disjoin_alias_sets_p): New function.
94 (alias_set_compare): Likewise.
95 (insert_subset_children): Likewise.
96 (get_alias_set_entry): Likewise.
98 * tree.h (TYPE_RESTRICT): New macro.
99 (TYPE_UNQUALIFIED): New manifest constant.
100 (TYPE_QUAL_CONST): Likewise
101 (TYPE_QUAL_VOLATILE): Likewise.
102 (TYPE_QUAL_RESTRICT): Likewise.
103 (tree_type): Add restrict_flag. Reduce count of free bits.
104 (DECL_POINTER_ALIAS_SET): New macro.
105 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
106 (tree_decl): Add pointer_alias_set.
107 (build_qualified_type): New function.
108 (build_type_variant): Define in terms of build_qualified_type.
109 * tree.c (set_type_quals): New function.
110 (make_node): Initializae DECL_POINTER_ALIAS_SET.
111 (build_type_attribute_variant): Use build_qualified_type and
113 (build_type_variant): Rename, and modify, to become...
114 (build_qualified_type): New function.
115 (build_complex_type): Use set_type_quals.
117 * c-tree.h (C_TYPE_OBJECT_P): New macro.
118 (C_TYPE_FUNCTION_P): Likewise.
119 (C_TYPE_INCOMPLETE_P): Likewise.
120 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
121 (c_apply_type_quals_to_decl): New function.
122 (c_build_qualified_type): New function.
123 (c_build_type_variant): Define in terms of c_build_qualified_type.
124 (flag_isoc9x): Declare.
125 * c-typeck.c (qualify_type): Use c_build_qualified_type.
126 (common_type): Change to use TYPE_QUALS.
127 (comptypes): Likewise.
128 (convert_for_assignment): Likewise.
129 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
130 * c-decl.c (flag_isoc9x): Define.
131 (c_decode_option): Handle -flang-isoc9x.
132 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
133 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
134 * c-lex.c (init_lex): Deal with restrict.
135 (init_lex): Don't treat restrict as a reserved word in
136 -traditional mode, or without -flang-isoc9x.
137 * c-lex.h (rid): Add RID_RESTRICT.
138 * c-parse.gperf (restrict, __restrict, __restrict__): Make
139 equivalent to RID_RESTRICT.
140 * c-parse.in (TYPE_QUAL): Update comment.
141 * c-common.c: Include rtl.h.
142 (c_find_base_decl): New function.
143 (c_build_type_variant): Rename, and modify, to become ...
144 (c_build_qualified_type): New function.
145 (c_apply_type_quals_to_decl): Likewise.
146 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
147 a particular alias set for the reference.
148 * toplev.c (documented_lang_options): Add -flang-isoc9x.
150 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
152 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
153 command line switches.
155 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
157 * reload.c (loc_mentioned_in_p): Add missing braces to bind
160 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
162 * gcc.c (option_map): Added --classpath and --CLASSPATH.
164 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
166 * regclass.c (fix_register): Add error message.
167 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
170 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
172 * c-decl.c (warn_missing_noreturn): New global variable.
173 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
174 (finish_function): Implement missing noreturn warning.
176 * c-tree.h (warn_missing_noreturn): Declare extern.
178 * invoke.texi: Document new flags.
180 * toplev.c (documented_lang_options): Add description.
182 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
184 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
185 loop optimization stable for the C4x.
186 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
187 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
188 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
190 (c4x_address_conflict): Be more paranoid when packing a volatile
191 memref in a parallel load/store.
193 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
195 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
196 repeat_block_filler): Deleted.
197 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
198 Condition code not set if destination register from 'c' class.
199 (*subbqi3_carry_clobber): Fix typo.
201 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
203 * reorg.c (steal_delay_list_from_target) Check for insns that
204 modify the condition codes and effect the direction of the jump
207 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
209 * function.c (purge_addressof_1): Replace call to
210 emit_insns_before() with emit_insn_before().
212 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
214 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
216 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
218 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
220 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
222 * gcse.c (compute_hash_table): Correctly identify hard regs which are
223 clobbered across calls.
225 * loop.c (scan_loop): Be more selective about what invariants are
228 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
230 * version.c: Bump for snapshot.
232 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
234 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
235 static eh_context structure.
237 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
239 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
241 (try_combine): Don't update max_scratch.
242 * flow.c (max_scratch, num_scratch): Delete variables.
243 (life_analysis_1): Don't initialize max_scratch.
244 (propagate_block): Don't update max_scratch.
245 (mark_set_1): Don't increment num_scratch.
246 * regs.h (max_scratch): Delete declaration.
248 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
250 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
251 is nonzero. This is temporary!
253 * sched.c (update_flow_info): Handle death notes made invalid by
254 instruction splitting. Partially reverts Oct 15, 1998 patch.
255 * haifa-sched.c (update_flow_info): Likewise.
257 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
259 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
260 if it has a nonzero DECL_INITIAL.
262 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
264 * Makefile.in (flow.o): Depend on recog.h.
266 * cpplib.h (directive_table): Add missing initializiers.
267 (finclude): Change type of variable `bsize' to size_t.
269 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
271 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
273 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
274 `int' when comparing against one.
275 (cpp_file_line_for_message): Mark parameter `pfile' with
277 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
279 * flow.c: Include recog.h.
280 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
282 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
283 `f' with ATTRIBUTE_UNUSED.
284 (reposition_prologue_and_epilogue_notes): Likewise.
286 * genopinit.c (gen_insn): Cast argument of ctype functions to
289 * haifa-sched.c: Include recog.h.
290 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
291 comparing against one.
293 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
295 * mips-tfile.c (parse_end): Cast the argument of ctype function to
297 (parse_ent): Likewise.
298 (parse_input): Likewise.
300 * optabs.c (init_libfuncs): Likewise.
302 * protoize.c (find_rightmost_formals_list): Likewise.
304 * recog.h (const_double_operand): Fix typo in prototype.
306 * tlink.c (scan_linker_output): Cast the argument of ctype
307 function to `unsigned char'.
309 * toplev.c (check_lang_option): Cast the result of `strlen' to
310 `int' when comparing against one.
312 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
314 * gcse.c (dump_cuid_table): Correct typo.
316 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
318 * toplev.c (display_help): Prepend '-m' to target specific
320 (check_lang_option): Ignore text after end of first word of a
321 language specific option.
323 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
325 * reload1.c (reg_used_by_pseudo): New static variable.
326 (choose_reload_regs): Initialize it.
327 Use it instead of testing spill_reg_order to determine whether a
328 pseudo is live in a hard register across the current insn.
329 Fix a typo in a reference to reload_reg_rtx.
331 * flow.c (propagate_block): Replace code that computes and uses
332 regs_sometimes_live with simpler code that just walks the set of
333 currently live registers.
335 * Makefile.in (insn-extract.o): Fix dependencies.
336 * genextract.c (main): Generate includes for insn-config.h and
338 Delete generation of declarations which are now in recog.h.
339 * genrecog.c (main): Delete generation of definitions which are
341 * local-alloc.c (block_alloc): Use extract_insn and the variables
342 it sets up instead of looking up values by insn_code.
343 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
344 recog_dup_num): Define here instead of generating the definition in
346 (recog_n_operands, recog_n_dups, recog_n_alternatives,
347 recog_operand_mode, recog_constraints, recog_operand_address_p):
349 (extract_insn): New function.
350 * recog.h (extract_insn): Declare function.
351 (which_alternative, recog_n_operands, recog_n_dups,
352 recog_n_alternatives, recog_operand_mode, recog_constraints,
353 recog_operand_address_p): Declare variables.
354 * regclass.c (n_occurrences): New static function.
355 * reload.c (n_occurrences): Delete function.
356 (find_reloads): Use extract_insn.
357 * reload.h (n_occurrences): Delete declaration.
359 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
361 * reload1.c (reload_as_needed): Fix test for when to call
362 update_eliminable_offsets.
364 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
366 Fix consistency problems with reg_equiv_{mem,address};
367 Improve reload inheritance;
369 * reload.c (reload_out_reg): New variable.
370 (loc_mentioned_in_p, remove_address_replacements): New functions.
371 (remove_replacements): Deleted.
372 (push_reload): Set reload_out_reg[i].
373 When merging, also set reload_{in,out}_reg[i], and remove
374 duplicate address reloads.
375 (combine_reloads): Copy reload_out_reg[i].
376 (find_reloads): Do make_memloc substitution also when
377 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
379 Include *recog_operand_loc in commutativity operand changes.
380 Generate optional output reloads.
381 Delete reference to n_memlocs. Don't set *recog_operand_loc before
382 processing operands. Call make_memloc in reg_equiv_address code.
383 Set *recog_operand_loc only after processing operands, and only
384 if replace is true. Return a value.
385 When changing address reload types for operands that didn't get
386 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
387 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
388 Don't emit USEs for pseudo SUBREGs when not replacing.
389 (find_reloads_address): Do make_memloc substitution also when
390 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
392 (find_reloads_toplev): Likewise.
393 Call make_memloc in reg_equiv_address code.
394 (debug_reload_to_stream): Add code to output reload_out_reg.
395 (make_memloc): Delete local variable i, ifdefed out code, and
396 references to memlocs and n_memlocs.
397 (memlocs, n_memlocs): Delete.
398 (push_secondary_reload): Clear reload_out_reg.
399 (find_reloads_address_1): Provide memrefloc argument to all calls
400 to find_reloads_address.
401 In AUTO_INC code, handle non-directly addressable equivalences properly.
402 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
403 (find_reloads): Add return type.
404 (remove_address_replacements, deallocate_reload_reg): Declare.
405 * reload1.c (num_not_at_initial_offset): No longer static.
406 (delete_address_reloads, delete_address_reloads_1): Likewise.
407 (deallocate_reload_reg): New function.
408 (spill_reg_stored_to): New array.
409 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
410 (eliminate_regs_in_insn): Move assignments of previous_offset and
411 max_offset fields, and recalculation of num_not_at_initial_offset
412 into new static function:
413 (update_eliminable_offsets) .
414 (reload_as_needed): Call update_eliminable_offsetss after calling
416 Call forget_old_reloads_1 with contents of reloaded auto_inc
417 expressions if the actual addressing can't be changed to match the
419 (choose_reload_regs): For inheritance, replace
420 reload_reg_free_before_p test with reload_reg_used_at_all test, and
421 remove stand-alone reload_reg_used_at_all test.
422 Use reload_out_reg to determine which reload regs have output reloads.
423 Treat reload_override_in more similar to inherited reloads.
424 Handle (subreg (reg... for inheritance.
425 For flag_expensive_optimizations, add an extra pass to remove
426 unnecessary reloads from known working inheritance.
427 Delete obsolete code for pseudos replaced with MEMs.
428 Handle inheritance from auto_inc expressions.
429 (emit_reload_insns): If reload_in is a MEM, set OLD to
431 Don't reload directly from oldequiv; if it's a pseudo with a
432 stack slot, use reload_in[j].
433 Check that reload_in_reg[j] is a MEM before replacing reload_in
434 from reg_reloaded_contents.
435 Include non-spill registers in reload inheritance processing.
436 Also try to use reload_out_reg to set spill_reg_store /
438 In code to set new_spill_reg_store, use single_set to find out if
439 there is a single set.
440 Add code that allows to delete optional output reloads.
441 Add code to allow deletion of output reloads that use no spill reg.
442 At the end, set reload_override_in to oldequiv.
443 Also call delete_output_reload if reload_out_reg is equal to old
445 Add code to call delete_output_reload for stores with no matching load.
446 Set / use spill_reg_stored_to.
447 Handle case where secondary output reload uses a temporary, but
448 actual store isn't found.
449 When looking for a store of a value not loaded in order to call
450 delete_output_reload, count_occurences should return 0 for no
451 loads; but discount inherited input reloadill_reg_stored_to.
452 Do checks for extra uses of REG. Changed all
454 Use delete_address_reloads.
455 (reload): Take return value of find_reloads into account.
456 If a no-op set needs more than one reload, delete it.
457 (reload_reg_free_before_p): RELOAD_FOR_INPUT
458 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
459 for the same operand.
460 (clear_reload_reg_in_use): Check for other reloads that keep a
462 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
463 RELOAD_FOR_OPADDR_ADDR.
464 Take into account when an address address reload is only needed
465 for the address reload we are considering.
466 (count_occurrences): Use rtx_equal_p for MEMs.
467 (inc_for_reload): Return instruction that stores into RELOADREG.
468 New argument two, IN, and rtx. Changed all callers.
469 (calculate_needs_all_insns, reload_as_needed):
470 Don't clear after_call for a CLOBBER.
471 Keep track of how many hard registers need to be copied from
472 after_call, and don't clear after_call before we have seen
473 that much copies, or we see a different instruction.
475 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
477 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
478 after reload has completed.
480 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
482 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
483 a macro name and the next token with a single blank if that whitespace
484 is in a macro buffer and the next token is not '('.
486 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
488 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
490 (skip_if_group): Ditto.
491 (skip_to_end_of_comment): Ditto.
493 (discard_comments): Ditto.
494 (change_newlines): Ditto.
496 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
498 * c-lex.c (yylex): Fix unaligned access of wchar_t.
500 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
502 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
503 (TARGET_OPTIONS): Add --help documentation.
505 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
507 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
509 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
511 * fixinc/* Moved in from ../contrib directory in preparation
512 for integrating it into the normal build process. In particular,
513 fixinc/Makefile.in must be config-ed into the build directory
514 as fixinc/Makefile. Proposed patches to ./Makefile.in and
515 ./configure.in will be "in the mail" momentarily.
517 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
519 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
520 accidently walk into the free list. Comment how that can happen.
521 (invalidate): Fix indentation.
523 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
524 Jeffrey A Law (law@cygnus.com)
526 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
527 reload. Never perform rescans of the insn chain after reload.
528 (propagate_block): Do not delete insn or create new autoinc addressing
531 * jump.c (jump_optimize): Unconditionally use the code that was
532 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
533 * reload1.c (reload): When reloading is finished, delete all
534 REG_DEAD and REG_UNUSED notes.
535 (emit_reload_insns): Delete all code that was conditional on
536 PRESERVE_DEATH_INFO_REGNO_P.
537 (no_longer_dead_regs): Delete variable.
538 (reload_cse_delete_death_notes): Delete function.
539 (reload_cse_no_longer_dead): Delete function.
540 (reload_cse_regs_1): Delete all code to handle deletion of death
542 (reload_cse_noop_set_p): Likewise.
543 (reload_cse_simplify_set): Likewise.
544 (reload_cse_simplify_operands): Likewise.
545 (reload_cse_move2add): Likewise.
546 * reorg.c (used_spill_regs): Delete declaration.
547 (max_label_num_after_reload): Delete declaration.
548 (find_dead_or_set_registers): Don't assume that spill regs are
549 dead at a CODE_LABEL.
550 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
552 * sched.c (sched_analyze_insn): Likewise.
553 (update_flow_info): Likewise.
554 * haifa-sched.c (sched_analyze_insn): Likewise.
555 (update_flow_info): Likewise.
556 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
557 * toplev.c (max_label_num_after_reload): Delete variable.
558 (rest_of_compilation): Don't set max_label_num_after_reload.
559 Call life_analysis after reload_cse_regs if optimizing.
560 * config/gmicro/gmicro.h: Delete comment referring to
561 PRESERVE_DEATH_INFO_REGNO_P.
562 * config/i386/i386.h: Likewise.
563 * config/m88k/m88k.h: Likewise.
564 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
565 * config/sh/sh.h: Likewise.
567 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
569 * loop.c (strength_reduce): Restore marking bct_p as
571 * rs6000.c (optimization_options): Change #ifdef HAIFA to
572 HAVE_decrement_and_branch_on_count.
573 (small_data_operand): Remove TARGET_ELF condition for marking
574 parameters ATTRIBUTE_UNUSED.
576 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
578 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
579 (SELECT_SECTION): Resync with svr4.h.
581 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
583 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
586 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
588 * c-pragma.c (handle_pragma_token): Test for null tree before
589 dereferencing TREE_CODE.
591 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
593 * config/c4x/c4x.c: Convert to use GEN_INT.
594 (c4x_parallel_process): Rework to handle new repeat loop structure.
596 * config/c4x/c4x.md: Convert to use GEN_INT.
597 (rptb_end): Convert to use GE test. Replace uses with clobbers.
598 (decrement_and_branch_on_count): Likewise.
600 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
601 loop.c has the desired functionality.
602 (rc_reg_operand): New prototype.
604 * config/c4x/t-c4x: Can now build all front ends.
606 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
608 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
610 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
612 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
613 * config/t-rtems: Do not install assert.h -- use newlib's.
615 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
617 * combine.c (combine_instructions): When finished, call init_recog.
618 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
620 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
622 * toplev.c: If flag_syntax_only, don't open or write assembler file.
624 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
626 * cppalloc.c (memory_full): Mark function prototype with
629 * demangle.h (collect_exit): Likewise.
631 * fix-header.c (v_fatal, fatal): Likewise.
633 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
636 * gcov.c (print_usage): Likewise.
638 * genattr.c (fatal, fancy_abort): Likewise.
640 * genattrtab.c (fatal, fancy_abort): Likewise.
642 * gencodes.c (fatal, fancy_abort): Likewise.
644 * genconfig.c (fatal, fancy_abort): Likewise.
646 * genemit.c (fatal, fancy_abort): Likewise.
648 * genextract.c (fatal, fancy_abort): Likewise.
650 * genflags.c (fatal, fancy_abort): Likewise.
652 * genopinit.c (fatal, fancy_abort): Likewise.
654 * genoutput.c (fatal, fancy_abort): Likewise.
656 * genpeep.c (fatal, fancy_abort): Likewise.
658 * genrecog.c (fatal, fancy_abort): Likewise.
660 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
661 __sjpopnthrow, __throw): Likewise.
663 * objc/objc-act.c (objc_fatal): Likewise.
665 * protoize.c (usage, aux_info_corrupted,
666 declare_source_confusing): Likewise.
668 * rtl.c (dump_and_abort): Likewise.
670 * rtl.h (sets_cc0_p): Likewise.
672 * toplev.c (float_signal, pipe_closed): Likewise.
674 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
676 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
677 when generating the decision tree for the general case.
679 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
680 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
682 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
684 * Makefile.in (sched.o): Depend on recog.h.
686 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
687 (unsigned) when comparing against one.
688 (find_base_value): Likewise.
689 (record_base_value): Cast variable `regno' to (unsigned) when
690 comparing against one. Cast the result of REGNO() macro to
691 (unsigned) when comparing against one.
692 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
694 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
695 variable where an unsigned index is needed.
697 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
698 before comparing against one.
700 * collect2.c: Add prototypes for functions `error', `fatal' and
701 `fatal_perror'. Make these functions take variable arguments
702 instead of faking it with a fixed number of args.
703 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
706 * combine.c (can_combine_p): Mark parameter `pred' with
708 (find_split_point): Cast variable `src' to (unsigned
709 HOST_WIDE_INT) when comparing against one.
710 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
711 (simplify_logical): Likewise.
712 (force_to_mode): Cast result of INTVAL() macro to (unsigned
713 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
714 HOST_WIDE_INT) in shift.
715 (simplify_and_const_int): Cast result of INTVAL() macro to
716 `unsigned HOST_WIDE_INT' when comparing against one.
717 (merge_outer_ops): Cast variable const0 to `unsigned
718 HOST_WIDE_INT' when comparing against the result of
719 GET_MODE_MASK() macro.
720 (simplify_comparison): Likewise for variable `c0'. Cast variable
721 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
722 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
723 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
724 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
725 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
726 comparing against one.
727 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
729 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
730 macro to `unsigned HOST_WIDE_INT' when comparing against one.
731 (output_block_move): Cast `sizeof' expression to (int) when
732 comparing against one.
733 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
735 (save_restore_insns): Cast `base_offset' to `long' to match format
736 specifier in fprintf.
738 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
739 to `enum machine_mode'.
741 * flow.c (life_analysis_1): Remove unused variable `insn'.
743 * gcc.c (translate_options): Move variables `j' and `k' into the
744 scope in which they are used. Change their types to `size_t'.
745 (set_spec): Cast the argument of ctype macro to `unsigned char'.
746 (read_specs): Likewise.
747 (process_command): Cast `sizeof' to (int) when comparing against one.
748 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
749 (handle_braces): Cast both sides of `==' expression to `long' to
750 ensure sign matching.
751 (main): Cast variable `i' to `int' when comparing against one.
753 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
754 int to size_t. Cast variable `i' to size_t when comparing against
757 * genattrtab.c (convert_set_attr_alternative): Remove unused
758 parameter `insn_code'. All callers changed.
759 (convert_set_attr): Likewise.
761 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
762 size_t when comparing against one. Likewise for variable `len'.
764 * global.c (global_alloc): Cast variable `max_regno' to size_t
765 when comparing against one. Likewise for variable `max_allocno'.
767 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
769 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
770 `set' with ATTRIBUTE_UNUSED.
771 (find_free_reg): Cast `sizeof' expression to (int) when comparing
774 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
775 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
776 (get_condition): Cast variable `const_val' to `unsigned
777 HOST_WIDE_INT' when comparing against one. Cast unsigned
778 expression to HOST_WIDE_INT when comparing against one.
779 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
780 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
781 `unsigned' when comparing against one.
783 * protoize.c (is_id_char): Change type of parameter `ch' to
785 (munge_compile_params): Cast argument of ctype macro to (const
787 (process_aux_info_file): Cast variable `aux_info_size' to int when
788 comparing against one.
789 (forward_to_next_token_char): Cast argument of ctype macro to
790 `const unsigned char'.
791 (edit_formals_lists): Likewise.
792 (find_rightmost_formals_list): Likewise.
793 (add_local_decl): Likewise.
794 (add_global_decls): Likewise.
795 (edit_fn_definition): Likewise.
796 (do_cleaning): Likewise.
797 (scan_for_missed_items): Likewise.
798 (edit_file): Cast variable `orig_size' to (int) when comparing
800 (main): Cast argument of ctype macro to `const unsigned char'.
802 * recog.c (const_int_operand): Mark parameter `mode' with
805 * regclass.c (record_reg_classes): Change type of variable `c' to
806 `unsigned char'. Cast `char' array index to `unsigned char'.
808 * reload.c (push_secondary_reload): Cast argument to
809 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
811 * reload1.c (calculate_needs): Cast `char' array index to
813 (set_label_offsets): Change type of variable `i' to unsigned int.
814 Cast result of XVECLEN() macro to unsigned when comparing against
816 (mark_not_eliminable): Change type of variable `i' to unsigned.
817 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
818 when comparing against one.
819 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
820 comparing against one.
821 (choose_reload_regs): Hide unused label `fail'.
822 (reload_cse_simplify_operands): Cast `char' array index to
824 (reload_combine_note_store): Mark parameter `set' with
825 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
827 (reload_cse_move2add): Remove unused variable `src2'.
829 * sched.c: Include recog.h.
830 (sched_note_set): Remove unused parameter `b'. All callers
832 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
833 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
834 when comparing against one.
836 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
837 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
838 comparing against one.
840 * unroll.c (precondition_loop_p): Remove unused parameter
841 `loop_end'. All callers changed.
843 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
845 * reload1.c (maybe_fix_stack_asms): New static function.
848 * reload.h (compute_use_by_pseudos): Declare.
850 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
851 (something_needs_reloads): Delete variable.
852 (finish_spills): New function.
853 (compute_use_by_pseudos): New function.
855 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
856 Use the reload_insn_chain instead of walking the rtl directly.
858 (reload): Allocate and free spilled_pseudos.
859 Ensure that all calls of spill_hard_reg are followed by a call to
861 Use the insns_need_reload list instead of something_needs_reloads
862 to find out if reload_as_needed must be called.
863 Clear unused_insn_chains at the end.
865 (calculate_needs_all_insns): Lose FIRST parameter. All callers
867 Delete code to keep track of current basic block.
868 Walk reload_insn_chain instead of the rtl structure. Build the
869 insns_need_reload chain.
870 Remember which insns need reloading/elimination by setting the
871 appropriate fields in struct insn_chain, not by putting modes on the
874 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
875 arg INSN. All callers changed.
876 Delete declaration of struct needs.
877 Don't set something_needs_reloads.
878 Record insn needs in the CHAIN argument.
880 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
882 (reload_as_needed): Lose FIRST arg. All callers changed.
883 Walk the reload_insn_chain instead of the rtx structure.
884 Delete code to keep track of current basic block.
885 Rename one of the NEXT variables to OLD_NEXT.
887 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
889 (choose_reload_regs): Likewise.
891 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
894 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
895 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
896 (hard_regs_live, hard_regs_need_restore): Delete variables.
897 (n_regs_saved): Now static.
898 (referenced_regs, this_insn_sets): New variables.
900 (setup_save_areas): Restructure the code a bit.
902 (restore_referenced_regs): Delete function.
903 (mark_referenced_regs): New function, similar to the old
904 restore_referenced_regs, but mark registers in referenced_regs.
906 (clear_reg_live): Delete function.
907 (mark_set_regs): Renamed from set_reg_live. All callers changed.
908 Only mark registers in this_insn_sets.
910 (save_call_clobbered_regs): Rework this function to walk the
911 reload_insn_chain instead of using the list of instructions directly.
912 Delete code to keep track of register lives, compute live regs on the
913 fly from information in the chain.
914 Instead of calling restore_referenced_regs, use mark_referenced_regs,
915 then walk the set it computes and call insert_restore as appropriate.
917 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
919 Restructure the code a bit. Test hard_regs_saved instead of
920 hard_regs_need_restore.
921 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
922 args. All callers changed.
923 Restructure the code a bit. Use TO_SAVE to determine which regs to
924 save instead of more complicated test.
925 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
927 Create a new insn_chain structure for the new insn and place it
930 * rtl.texi: Update documentation to reflect that reload no longer
931 puts modes on the insns.
933 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
935 * function.c (purge_addressof_1): Force the first argument of a
938 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
940 * rtl.h: Delete duplicate prototypes. Add some missing
942 * rtlanal.c: (for_each_rtx): Formatting tweak.
944 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
946 * real.c (emdnorm and etoasc): Disable round to even for c4x target
947 to be compatible with TI compiler.
949 * Makefile.in (USER_H): Add va-c4x.h to definition.
951 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
953 * function.c (purge_addressof_1): Fix typo in inequality: do
954 bitfield optimization for equal mode sizes.
955 * expmed.c (store_bit_field): Don't take subregs of subregs in
956 the movstrict case. Tidy a potential problem in the multi-word case.
957 (extract_bit_field): Likewise.
959 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
961 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
963 Compute max_uid_for_flow by calling get_max_uid after the scan.
964 (find_basic_blocks_1): Don't emit NOPs here.
966 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
968 * alias.c (base_alias_check): Accept new args for the modes of the
969 two references. Use them to determine if an AND can overlap. Update
971 (memrefs_conflict_p): Assume sizes are aligned, and uses them
972 to determine if an AND can overlap.
974 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
976 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
977 check. Add comment to document problems with TARGET_SUN_FPA version
979 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
981 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
983 * Makefile.in (gencheck.o): Depend on gansidecl.h.
985 * c-common.c (print_char_table): Add missing initializers.
986 (scan_char_table): Likewise.
987 (time_char_table): Likewise.
989 * c-decl.c (c_decode_option): Mark parameter `argc' with
991 (declare_parm_level): Mark parameter `definition_flag' with
994 * c-lex.c (readescape): Use `(unsigned)1' in shift.
995 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
998 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1000 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1002 (expand_call): Cast result of MIN() to (unsigned int) when
1003 comparing against an unsigned value.
1005 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1007 (make_definition): Remove unused parameter `op'. All callers
1009 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1010 comparing against the result of pointer arithmetic.
1012 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1013 when comparing against one.
1015 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1016 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1018 (output_die): Move variable `i' into the scope in which it is
1019 used. Change its type to `unsigned'.
1020 (output_die): Cast the result of `strlen' to (int) when passing it
1021 to ASM_OUTPUT_ASCII().
1022 (output_pubnames): Likewise.
1023 (output_line_info): Likewise.
1025 * emit-rtl.c (global_rtl): Add missing initializers.
1027 * explow.c (promote_mode): Mark parameter `for_call' with
1030 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1031 `unsigned HOST_WIDE_INT' when comparing against one.
1032 (synth_mult): Change type of variable `cost' to int.
1033 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1035 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1036 when comparing against one.
1037 (get_inner_reference): Change variable `alignment' to unsigned.
1038 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1039 int) when comparing against one.
1040 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1042 * fold-const.c (div_and_round_double): Cast BASE to
1043 (HOST_WIDE_INT) when comparing against one.
1045 * gencheck.c: Include gansidecl.h.
1046 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1048 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1049 `tcode' with ATTRIBUTE_UNUSED.
1051 * real.c (edivm): Cast constant value to (unsigned long) in
1052 expression compared against an unsigned value.
1054 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1055 comparing against one.
1056 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1057 when comparing against one.
1059 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1060 (unsigned int) when comparing against one. Likewise for
1062 (smallest_mode_for_size): Likewise.
1063 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1064 (restore_storage_status): Likewise.
1066 * toplev.c (debug_args): Add missing initializer.
1067 (f_options): Spelling correction. Add missing initializers.
1068 (documented_lang_options): Likewise.
1069 (debug_end_source_file): Mark parameter `lineno' with
1072 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1073 `decl' and `type' with ATTRIBUTE_UNUSED.
1075 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1076 when comparing against one.
1077 (assemble_variable): Mark parameter `top_level' with
1079 (assemble_external_libcall): Mark parameter `fun' with
1081 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1084 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1086 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1087 Replace use of r5 with use of r19.
1089 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1091 * config/v850/v850.c (compute_register_save_size): Allow for the
1092 fact that helper functions save all registers, not just those used
1095 Replace constant 31 with macro LINK_POINTER_REGNUM.
1097 * config/v850/v850.md: Use 'indirect_operand' rather than
1098 'memory_operand' for bit test/set/clear patterns.
1100 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1102 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1103 * varasm.c (assemble_start_function et al): Don't call
1104 ASM_GLOBALIZE_LABEL for weak symbols.
1106 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1108 * cse.c (equiv_constant): Check for NULL return from
1109 gen_lowpart_if_possible().
1111 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1113 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1115 * collect2.c (main): Pass -EL/-EB through to the compiler.
1117 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1119 * expr.c (push_block): Handle targets where the stack grows
1120 to higher addresses, but args grow to lower addresses and
1121 ACCUMULATE_OUTGOING_ARGS is not defined.
1123 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1125 * config/v850/v850.c (print_operand): Extend meaning
1126 of 'c' operands to support .vtinherit.
1128 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1130 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1131 Added ATTRIBUTE_UNUSED to unused function arguments.
1132 (rc_reg_operand): New predicate.
1133 (c4x_rptb_insert): New function.
1134 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1135 (c4x_optimization_options): New function.
1137 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1138 (decrement_and_branch_on_count): New pattern.
1139 (rptb_top): Modified pattern to work with BCT optimization.
1141 * config/c4x/c4x.h (RC_REG): New register class.
1142 (rc_reg_operand): Define prototype.
1143 (IS_RC_REG): New macro.
1144 (IS_RC_OR_PSEUDO_REG): New macro.
1145 (IS_RC_OR_PSEUDO_REGNO): New macro.
1146 (OPTIMIZATION_OPTIONS): Define.
1148 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1150 * collect2.c (extract_init_priority): No priority is 65535.
1152 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1154 * Makefile.in (build_tooldir): new variable, same as old
1155 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1156 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1157 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1159 * configure.in (gxx_include_dir): set default based on unlibsubdir
1160 * Makefile.in (tooldir): ditto
1161 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1162 gxx_include_dir, includedir and tooldir
1163 (protoize.o, unprotoize.o): ditto
1165 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1167 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1169 * config/arm/thumb.c (thumb_override_options): Add warning about
1170 PIC code not being supported just yet.
1172 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1174 * flow.c: Update comment.
1175 (notice_stack_pointer_modification): New static function.
1176 (record_volatile_insns): Use it.
1177 (mark_regs_live_at_end): Mark the stack pointer as alive
1178 at the end of the function if current_function_sp_is_unchanging
1180 (life_analysis_1): Set current_function_sp_is_unchanging.
1181 * function.c: Define it.
1182 (init_function_start): Initialize it.
1183 * output.h: Declare it.
1184 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1185 the stack pointer as alive at the end of the function if
1186 current_function_sp_is_unchanging is set.
1187 * i386.c (ix86_epilogue): Optimize the restoring
1188 of the stack pointer.
1190 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1192 * version.c: Bump for snapshot.
1194 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1196 * c-pragma.c (handle_pragma_token): If passed a token instead
1197 of a tree, use that as the pack value.
1199 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1201 * flow.c (find_basic_blocks_1): Fix prototype.
1203 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1205 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1206 (struct tree_decl): New fields no_check_memory_usage.
1207 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1208 (init_attributes): Register it as a new attribute.
1209 (decl_attributes): Set flags on functions given that attribute.
1210 * c-decl.c (duplicate_decls): Merge new attribute.
1211 * expr.h (current_function_check_memory_usage): Declare new var.
1212 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1213 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1214 current_function_check_memory_usage.
1215 * function.h: Add field to struct function.
1216 * function.c (current_function_check_memory_usage): Define it.
1217 (push_function_context_to, pop_function_context_from): Save and
1219 (expand_function_start): Set it, based on global flag and function
1222 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1223 check non-automatic variables, to permit detection of writes to
1224 read-only locations in embedded systems without memory management.
1225 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1226 when emitting chkr_set_right_libfunc call, even if the argument is
1227 BLKmode or variable-sized; don't abort.
1229 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1230 symbols in Pmode, not VOIDmode.
1232 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1234 * cppexp.c: When forcing unsigned comparisons, cast both sides
1237 * cpphash.h: Move static declaration of hashtab[]...
1238 * cpphash.c: ...here.
1240 * cpplib.c: Cast difference of two pointers to size_t before
1241 comparing it to size_t. Cast signed to unsigned
1242 before comparing to size_t. (FIXME: struct argdata should use
1243 unsigned buffer sizes.)
1244 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1245 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1246 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1247 size_t before comparison.
1249 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1251 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1252 (find_basic_blocks_1): Similarly.
1253 * output.h (find_basic_blocks): Fix prototype.
1254 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1255 find_basic_blocks anymore.
1257 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1259 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1260 (sbitmap_free, sbitmap_vector_free): New macros.
1261 * output.h (rtl_dump_file): Declare.
1263 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1265 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1267 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1269 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1271 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1272 (divide): Remove unused variable `tmp'.
1273 (si_to_float): Cast numeric constant to (SItype) before comparing
1276 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1278 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1279 * gcc.c (add_preprocessor_option): Correct typo when allocating
1280 memory, sizeof() argument had one too many `*'.
1281 (add_assembler_option): Likewise.
1282 (add_linker_option): Likewise.
1283 * gcov.c (output_data): Likewise.
1284 * local-alloc.c (memref_used_between_p): Likewise.
1285 (update_equiv_regs): Likewise.
1286 * loop.c (strength_reduce): Likewise.
1287 * reg-stack.c (record_asm_reg_life): Likewise.
1288 (subst_asm_stack_reg): Likewise.
1289 * reorg.c (dbr_schedule): Likewise.
1291 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1293 * flow.c (life_analysis_1): Break out some functions.
1294 (find_basic_blocks_1): Likewise. Also move some variables out and
1296 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1297 new static var nonlocal_label_list with it.
1298 (active_eh_region, nested_eh_region, label_value_list,
1299 nonlocal_label_list): New static variables.
1300 (make_edges, delete_unreachable_blocks, delete_block): New static
1301 functions, broken out of find_basic_blocks_1.
1302 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1303 noop_move_p): New static functions, broken out of life_analysis_1.
1305 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1307 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1308 Take extra care for op0 now possibly being a subreg.
1309 (extract_bit_field): Likewise.
1310 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1311 the reg to memory if there is no equal sized integral mode.
1312 * stor-layout.c (int_mode_for_mode): New function.
1313 * machmode.h: Prototype it.
1315 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1317 * global.c (build_insn_chain): Verify no real insns exist past the
1318 end of the last basic block, then exit the loop.
1320 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1322 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1324 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1326 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1328 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1330 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1332 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1334 * flow.c (find_basic_blocks): Correctly determine when a call
1335 is within an exception region.
1337 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1339 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1341 * cpplib.h: Protect from multiple inclusions.
1342 * cpplib.c: Fix minor formatting problems.
1344 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1346 * jump.c (jump_optimize): Revert accidental patch.
1348 * Makefile.in (cpplib.o): Use unlibsubdir.
1350 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1352 * loop.c (get_condition): Allow combine when either compare is
1355 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1357 * version.c: Bump for snapshot.
1359 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1361 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1362 (init_lex): Initialize ridpointers[RID_BYREF].
1363 * c-lex.h (enum rid): Add RID_BYREF.
1364 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1365 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1366 (encode_type_qualifiers): Similarly
1367 * c-gperf.h: Rebuilt.
1369 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1371 * c-common.c (type_for_mode): Only return TItype nodes when
1372 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1373 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1374 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1375 (init_decl_processing): Only create TItype nodes when
1376 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1377 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1378 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1380 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1382 * stmt.c (n_occurrences): New static function.
1383 (expand_asm_operands): Verify that all constrains match in the
1384 number of alternatives.
1385 Verify that '+' or '=' are at the beginning of an output constraint.
1386 Don't allow '&' for input operands.
1387 Verify that '%' isn't written for the last operand.
1388 * reload.c (find_reloads): Abort if an asm is found with invalid
1389 constraints; all possible problems ought to be checked for earlier.
1391 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1393 * flags.h (flag_branch_on_count_reg): Always declare
1394 * toplev.c (flag_branch_on_count_reg): Likewise.
1395 * toplev.c: Fix typos.
1397 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1400 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1402 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1404 (find_basic_blocks_1): Add a nop to the end of a basic block when
1405 a trailing call insn does not have abnormal control flow.
1406 * gcse.c (pre_transpout): New variable.
1407 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1408 (compute_pre_transpout): Calculate it.
1409 (compute_pre_ppinout): Use it to eliminate impossible placements
1410 due to abnormal control flow through calls.
1411 (compute_pre_data): Call compute_pre_transpout.
1413 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1415 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1417 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1419 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1420 and matching define_insns): Tack on a `use' of the table label, so
1421 flow analysis will recognize a tablejump.
1423 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1425 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1426 always end basic blocks for abnormal edge reasons.
1428 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1430 * config/i386/i386.h: Remove definition of
1431 HANDLE_PRAGMA_PACK_PUSH_POP.
1433 * config/i386/go32.h: Add definition of
1434 HANDLE_PRAGMA_PACK_PUSH_POP.
1436 * config/i386/win32.h: Add definition of
1437 HANDLE_PRAGMA_PACK_PUSH_POP.
1439 * config/i386/cygwin32.h: Add definition of
1440 HANDLE_PRAGMA_PACK_PUSH_POP.
1442 * c-pragma.c (insert_pack_attributes): Do not insert
1443 attributes unless #pragma pack(push,<n>) is in effect.
1445 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1447 * expr.c (emit_group_store): Handle a PARALLEL destination.
1449 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1451 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1452 the new insns before the argument regs are loaded.
1454 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1456 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1457 (c-parse.gperf): Update comments describing invocation flags.
1458 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1460 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1462 * reload1.c (reload): Call free before clobbering the memory
1463 locations or constants pointers.
1465 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1467 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1468 for efficiency by checking whether we need to modify the current
1469 stack permission at all.
1470 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1471 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1472 __enable_execute_stack libcall here too if
1473 TRANSFER_FROM_TRAMPOLINE is defined.
1474 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1477 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1479 * Makefile.in (DRIVER_DEFINES): Remove last change.
1481 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1483 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1484 insns we're going to copy.
1485 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1487 * loop.c (count_one_set): Add prototype.
1489 * caller-save.c (restore_referenced_regs): Lose mode argument.
1490 (insert_save): Lose mode argument.
1491 (insert_restore): Lose mode argument.
1492 (insert_one_insn): Lose mode argument.
1493 (save_call_clobbered_regs): Lose mode argument.
1494 (setup_save_areas): Take no argument and return void. All callers
1496 Don't verify validity of memory addresses.
1497 * reload.h (setup_save_ares): Adjust prototype.
1498 (save_call_clobbered_regs): Likewise.
1499 * reload1.c (delete_caller_save_insns): New function.
1500 (caller_save_spill_class): Delete variable.
1501 (caller_save_group_size): Delete variable.
1502 (reload): Call setup_save_areas and save_call_clobbered_regs
1503 in the main loop, before calling calculate_needs_all_insns.
1504 Don't call save_call_clobbered_regs after the loop.
1505 Call delete_caller_save_insns at the end of an iteration if
1507 Delete code to manage caller_save_spill_class.
1508 Emit the final note before setting reload_first_uid.
1509 Simplify test that determines whether reload_as_needed gets run.
1510 (calculate_needs): Delete code to manage caller_save_spill_class.
1512 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1514 * collect2.c (main): Initialize ld_file_name.
1516 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1518 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1519 check for flag_function_sections.
1521 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1523 * cse.c (insert_regs): Fix bug in Sep 24 change.
1525 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1527 * flags.h (flag_dump_unnumbered): Declare.
1528 * toplev.c (flag_dump_unnumbered): Don't declare.
1529 * print-rtl.c (flags.h): Include.
1530 (print_rtl_single): Add return value.
1531 * rtl.h (print_rtl_single): Update declaration.
1532 * flow.c (flag_dump_unnumbered): Don't declare.
1533 (print_rtl_with_bb): Use return value of print_rtl_single.
1535 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1537 * loop.c (count_one_set): New static function, broken out of
1539 (count_loop_regs_set): Call it.
1540 * global.c (mark_reg_store): Handle clobbers here by not calling
1542 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1543 is in fact a clobber.
1544 * integrate.c (process_reg_param): New function, broken out of
1545 expand_inline_function.
1546 (expand_inline_function): Call it.
1549 * i386.md (addsidi3_1): Delete unused variable temp.
1550 (addsidi3_2): Likewise.
1551 (clstrstrsi): Delete unused variable addr1.
1553 * rtl.h: Don't declare any functions also declared in recog.h.
1555 * Makefile.in (stupid.o): Update dependencies.
1556 (global.o): Likewise.
1558 * global.c: Include reload.h
1559 (reg_becomes_live): New function.
1560 (reg_dies): New function.
1561 (build_insn_chain): New function.
1562 (global_alloc): Call build_insn_chain before calling reload.
1564 * reload.h (struct needs): New structure definition.
1565 (struct insn_chain): Likewise.
1566 (reload_insn_chain): Declare variable.
1567 (new_insn_chain): Declare function.
1570 * reload1.c (reload_startobj): New variable.
1571 (reload_insn_chain): New variable.
1572 (unused_insn_chains): New variable.
1573 (new_insn_chain): New function.
1574 (init_reload): Initialize reload_startobj, not reload_firstobj.
1575 (reload): Initialize reload_firstobj.
1576 Before returning, free everything on the reload_obstack.
1578 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1579 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1580 current_chain): New variables.
1581 (reg_where_born): Delete variable.
1582 (REG_WHERE_BORN): New macro.
1583 (find_clobbered_regs): New function.
1584 (stupid_life_analysis): Don't allocate/free reg_where_born.
1585 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1586 reg_where_dead_chain.
1587 Use REG_WHERE_BORN instead of reg_where_born.
1588 While processing the insns, build the reload_insn_chain with
1589 information about register lifetimes.
1590 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1591 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1593 Compute and information about birth and death of pseudo registers in
1594 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1595 Delete code to set elements of reg_where_born.
1597 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1599 * tree.def (GOTO_EXPR): Modified documentation.
1600 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1603 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1605 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1606 loop_final_value, loop_comparison_code): No longer static.
1607 (unroll_loop): Delete loop_start_value update.
1608 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1609 loop_final_value, loop_comparison_code): Extern.
1610 (loop_start_value): Delete extern.
1611 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1612 loop_comparison_value, loop_comparison_code): Delete.
1613 (loop_optimize): Remove initialization for deleted variables.
1614 (strength_reduce): Delete analyze_loop_iterations call. Only call
1615 insert_bct if flag_branch_count_on_reg set.
1616 (analyze_loop_iterations): Delete.
1617 (insert_bct): Remove iteration count calculation. Move checks for
1618 viable BCT optimization to here. Obtain iteration count from
1619 loop_iterations and correct for unrolling. Check for enough
1620 iteration to be beneficial. Comment out runtime iteration count
1622 (insert_bct): Print iteration count in dump file. Remove
1623 loop_var_mode and use word_mode directly.
1625 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1626 * rs6000.c (rs6000_override_options): Use it.
1627 (optimization_options): Enable use of flag_branch_on_count_reg.
1628 * rs6000.md (define_function_unit): Describe 604e.
1630 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1632 * loop.c (move_movables): Corrected threshold calculation for
1633 moved_once registers.
1635 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1637 * loop.c (combine_givs_p): Fix test for identical givs.
1639 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1641 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1642 call abort if the function is already defined.
1644 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1646 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1647 truncation is not a no-op.
1649 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1651 * version.c: Bump for snapshot.
1653 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1655 * version.c: Bump for snapshot.
1657 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1659 * expmed.c (expand_divmod): Don't widen for computing remainder
1660 if we seem to have a divmod pattern for needed mode.
1662 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1664 * cpplib.c (macroexpand): Correct off-by-one error in handling
1667 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1669 * combine.c (expand_field_assignment): Don't do bitwise operations
1670 on MODE_FLOAT; pun to MODE_INT if possible.
1672 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1673 scott snyder <snyder@d0sgif.fnal.gov>
1675 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1676 linker. Recognize mangled names in quotes.
1678 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1680 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1681 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1682 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1683 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1685 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1687 * function.c (purge_addressof_1): If trying to take a sub-word
1688 integral piece of a floating point mode, put it on the stack.
1690 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1692 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1694 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1696 * PROJECTS: Remove template friends.
1698 * collect2.c (sort_ids): Remove unused variable.
1700 * tm.texi (MATH_LIBRARY): Document.
1701 (NEED_MATH_LIBRARY): Remove.
1703 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1704 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1706 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1708 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1709 last_end to 0x7fffffff.
1711 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1713 * function.c (purge_addressof_1): Do not perform endianness
1714 corrections on bitpos, who we call will do it for us.
1716 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1718 * h8300.c (WORD_REG_USED): Fix typo.
1719 (initial_offset): Use WORD_REG_USED.
1721 * h8300.c (handle_pragma): Fix typo.
1723 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1725 * caller-save.c (insert_save_restore): Break this function up
1726 into new functions insert_restore, insert_save and insert_one_insn.
1727 All callers changed.
1728 (insert_restore): New function, mostly broken out of
1729 insert_save_restore.
1730 (insert_save): Likewise.
1731 (insert_one_insn): Likewise.
1732 (restore_referenced_regs): New argument BLOCK. All callers changed.
1733 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1734 in this function, do it in insert_one_insn instead.
1736 * reload1.c (reload): Break out some more pieces into separate
1738 (dump_needs): New function, broken out of reload.
1739 (set_initial_elim_offsets): Likewise.
1740 (init_elim_table): Likewise.
1741 (update_eliminables): Likewise.
1743 * global.c (global_alloc): Delete code to manage the scratch_list.
1744 * local-alloc.c (qty_scratch_rtx): Delete.
1745 (scratch_block): Delete.
1746 (scratch_list): Delete.
1747 (scratch_list_length): Delete.
1748 (scratch_index): Delete.
1749 (alloc_qty_for_scratch): Delete.
1750 (local-alloc): Update initialization of max_qty.
1751 Delete code to manage the scratch list.
1752 Delete code to allocate/initialize qty_scratch_rtx.
1753 (block_alloc): Don't allocate quantities for scratches.
1754 Delete code to manage the scratch list.
1755 * regs.h (scratch_list): Delete declaration.
1756 (scratch_block): Delete declaration.
1757 (scratch_list_length): Delete declaration.
1758 * reload1.c (reload): Delete code to manage the scratch list.
1759 (spill_hard_reg): Likewise.
1760 (mark_scratch_live): Delete.
1762 * recog.c (alter_subreg): Delete declaration.
1764 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1766 * Makefile.in (cccp.o): Fix typo in last patch.
1768 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1770 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1771 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1773 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1775 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1776 NULL_RTX as an argument.
1778 * Makefile.in (unlibsubdir): Define.
1779 (DRIVER_DEFINES): Use unlibsubdir.
1780 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1781 (stmp-fixinc): Similarly.
1783 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1785 * regmove.c (regmove_optimize): Add variable old_max_uid.
1786 At the end of the function, update basic_block_end.
1788 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1790 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1791 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1794 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1796 * config/arm/arm.c: Improve interworking support.
1798 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1800 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1801 copied from reload_out[r] .
1803 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1805 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1806 with more than three size ranges.
1808 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1810 * rtl.c (mode_name): Add a null string at the end of the array.
1811 (mode_wider_mode): Change type to unsigned char.
1812 (mode_mask_array): New variable.
1813 (init_rtl): Update for mode_wider_mode type change.
1815 * rtl.h (mode_wider_mode): Change type to unsigned char.
1816 (mode_mask_array): Declare.
1817 (GET_MODE_MASK): Use mode_mask_array.
1819 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1821 * calls.c (expand_call) : Encapsulate code into
1822 copy_blkmode_from_reg.
1823 * expr.c (copy_blkmode_from_reg): New function.
1824 * expr.h (copy_blkmode_from_reg): New function.
1825 * integrate.c (function_cannot_inline_p): We can inline
1827 (expand_inline_function): Use copy_blkmode_from_reg
1828 if needed. Avoid creating BLKmode REGs.
1829 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1832 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1834 * config/v850/v850.c: Add function prototypes.
1835 Add support for v850 special data areas.
1837 * config/v850/v850.h: Add support for v850 special data areas.
1839 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1840 HANDLE_PRAGMA_PACK_PUSH_POP.
1841 (push_alignment): New function: Cache an alignment requested
1842 by a #pragma pack(push,<n>).
1843 (pop_alignment): New function: Pop an alignment from the
1845 (insert_pack_attributes): New function: Generate __packed__
1846 and __aligned__ attributes for new decls whilst a #pragma pack
1848 (add_weak): New function: Cache a #pragma weak directive.
1849 (handle_pragma_token): Document calling conventions. Add
1850 support for #pragma pack(push,<n>) and #pragma pack (pop).
1852 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1853 are defined enable HANDLE_PRAGMA_PACK.
1854 Move 'struct weak_syms' here (from varasm.c).
1855 Add pragma states for push and pop pragmas.
1857 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1860 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1861 HANDLE_GENERIC_PRAGMAS.
1863 * varasm.c: Move definition of 'struct weak_syms' into
1865 (handle_pragma_weak): Deleted.
1867 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1869 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1871 * c-decl.c (start_function): Add invocation of
1872 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1874 * tm.texi: Remove description of non-existant macro
1875 SET_DEFAULT_SECTION_NAME.
1877 (HANDLE_SYSV_PRAGMA): Document.
1878 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1880 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1882 * config.sub: Recognize i[34567]86-pc-udk as new target.
1883 * configure.in: Likewise.
1884 * config/i386/t-udk: New file.
1885 * config/i386/udk.h: New file.
1887 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1889 * reorg.c (check_annul_list_true_false): Remove unused variables.
1890 (steal_delay_list_from_target): Add missing "used_annul" variable.
1891 (try_merge_delay_insns): Close out half formed comment.
1893 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1895 * cpplib.c (macroexpand): If arg->raw_before or
1896 arg->raw_after, remove any no-reexpansion escape at the
1897 beginning of the pasted token. Correct handling of whitespace
1898 markers and no-reexpand markers at the end if arg->raw_after.
1900 * toplev.c (documented_lang_options): Recognize -include,
1901 -imacros, -iwithprefix, -iwithprefixbefore.
1902 * cpplib.c (cpp_start_read): Process -imacros and -include
1903 switches at the same time and in command-line order, after
1904 initializing the dependency-output code. Emit properly nested
1905 #line directives for them. Emit a #line for the main file
1906 before processing these switches, and don't do it again
1909 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1911 * function.c (purge_addressof_1): Use bitfield manipulation
1912 routines to handle mem mode < reg mode.
1914 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1916 * reorg.c (try_merge_delay_insns): Account for resources referenced
1917 in each instruction in INSN's delay list before trying to eliminate
1918 useless instructions. Similarly when looking at a trial insn's delay
1921 * reorg.c (check_annul_list_true_false): New function.
1922 (steal_delay_list_from_{target,fallthrough}): Call it and also
1923 refine tests for when we may annul if already filled a slot.
1924 (fill_slots_from_thread): Likewise.
1925 (delete_from_delay_slot): Return newly-created thread.
1926 (try_merge_delay_isns): Use its new return value.
1928 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1930 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1931 used to compute a giv or as some other non-counting use.
1933 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1935 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1936 * local-alloc.c (find_free_reg): Use it.
1937 * global.c (find_reg): Likewise.
1938 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1940 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1941 * caller-save.c (init_caller_save): Use it.
1942 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1944 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1946 * configure.in: Add --enable-cpplib option which uses cpplib
1947 for cpp, but doesn't link cpplib into cc1. Make help text
1948 capitalization consistent.
1949 * configure: Rebuilt.
1951 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1953 * function.c (gen_mem_addressof): If the address REG is
1954 REG_USERVAR_P make the new REG be so also.
1955 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1956 in an attempt to clarify slightly.
1958 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
1960 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
1961 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
1963 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
1965 * toplev.c: Fix last patch.
1967 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
1969 * loop.c (get_condition): Fix typo in May 9 change.
1971 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1973 * invoke.texi (-fexceptions): Merge 2 different descriptions.
1975 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1977 * toplev.c (documented_lang_options): Spelling corrections.
1979 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1981 * configure.in: new flags --with-ld and --with-as, equivalent
1982 to setting LD and AS environment variables. Test whether
1983 specified arguments are GNU commands, and report them with
1984 checking messages. Use the specified AS for configure
1987 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
1989 * gcc.c (find_a_file): when looking for `as' and `ld', return
1990 the DEFAULT program if it exists
1991 * collect2.c (main): use DEFAULT_LINKER if it exists
1993 * gcc.c (find_a_file): the test for existence of a full
1994 pathname was reversed
1996 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
1998 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
1999 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2001 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2003 * tree.h (TYPE_BINFO): Document.
2005 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2007 * i386-coff.h (dbxcoff.h): Added.
2009 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2011 * toplev.c: fix bad patch around flag_data_sections.
2013 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2015 * reload1.c (reload): Use reload_address_index_reg_class and
2016 reload_address_base_reg_class when setting
2017 caller_save_spill_class. (Patch generated by Jim Wilson:
2020 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2022 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2023 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2024 * expr.c (store_field): Add alias_set parameter. Set the
2025 MEM_ALIAS_SET accordingly, if the target is a MEM.
2026 (expand_assignment): Use it.
2027 (store_constructor_field): Pass 0.
2028 (expand_expr): Likewise.
2030 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2032 * flags.h: Add flag_data_sections.
2033 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2034 (compile_file): Error if flag_data_sections not supported.
2035 * varasm.c (assemble_variable): Handle flag_data_sections.
2036 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2037 * config/mips/elf.h: Likewise.
2038 * config/mips/elf64.h: Likewise.
2039 * invoke.texi: Describe -fdata-sections.
2041 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2043 * invoke.texi (-ffloat-store): Clarify that this option
2044 does not affect intermediate results -- only variables.
2046 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2048 * cpp.texi: Update for Fortran usage from Craig.
2050 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2052 * rs6000.c (function_arg_boundary): Revert accidental change on
2055 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2057 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2058 (output_mi_thunk): Declare.
2060 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2061 (output_function_profiler): Use r12 for temp, instead of r11 so
2062 that we preserve the static chain register.
2064 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2066 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2068 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2070 * sh.c (gen_shl_sext): Fix case 5.
2072 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2074 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2076 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2078 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2079 accessing variables until they are initialized via va_arg().
2081 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2083 * reload1.c (reload_combine): Initialize set before using.
2085 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2087 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2090 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2092 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2093 operand3 with mask before using it. Patch provided by Jim Wilson.
2095 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2097 * config/sparc/sparc.c (function_value): Perform the equivalent of
2098 PROMOTE_MODE for ARCH64.
2099 (eligible_for_epilogue_delay): Allow DImode operations in delay
2100 slot of a return for ARCH64.
2102 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2104 * sh.md (sqrtsf2): Fix mode of sqrt.
2106 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2108 * reload1.c (choose_reload_regs): Also try inheritance when
2109 reload_in is a stack slot of a pseudo, even if we already got a
2112 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2114 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2115 (reload_cse_regs): New function body: call reload_cse_regs_1,
2116 reload_combine, reload_cse_move2add.
2117 When doing expensive_optimizations, call reload_cse_regs_1 a
2118 second time after reload_cse_move2add.
2119 (reload_combine, reload_combine_note_store): New functions.
2120 (reload_combine_note_use): New function.
2121 (reload_cse_move2add, move2add_note_store): New functions.
2123 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2125 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2126 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2128 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2129 more than 3 such reloads.
2131 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2132 RELOAD_FOR_X_ADDR_ADDR reload.
2134 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2136 * expr.c (store_constructor): When initializing a field that is smaller
2137 than a word, at the start of a word, try to widen it to a full word.
2139 * cse.c (cse_insn): When we are about to change a register,
2140 remove any invalid references to it.
2142 (remove_invalid_subreg_refs): New function.
2143 (mention_regs): Special treatment for SUBREGs.
2144 (insert_regs): Don't strip SUBREG for call to mention_regs.
2145 Check if reg_tick needs to be bumped up before that call.
2146 (lookup_as_function): Try to match known word_mode constants when
2147 looking for a norrower constant.
2148 (canon_hash): Special treatment for SUBREGs.
2150 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2152 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2153 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2154 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2155 and offsets in actual stack trampoline code so they match the
2156 commentary and actually work.
2158 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2160 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2162 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2163 tmake_file. Set extra_parts to needed crt objects.
2164 * configure: Rebuilt.
2165 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2166 (TARGET_DEFAULT): Set if default is v9 or ultra.
2167 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2168 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2169 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2170 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2171 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2172 (TARGET_VERSION): Define.
2173 (MULTILIB_DEFAULT): Define.
2174 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2175 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2176 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2178 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2179 * config/sparc/sparc.c (sparc_override_options): If arch and
2180 pointer size disagree, emit diagnostic and fix it up. If
2181 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2182 V8PLUS in 64-bit mode.
2183 * config/sparc/t-linux64: New file.
2184 * config/sparc/t-sol2-64: New file.
2185 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2186 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2187 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2188 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2189 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2190 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2192 (STARTFILE_SPEC): Set approriately based upon those.
2193 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2194 disposition of DEFAULT_ARCH32_P.
2195 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2196 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2197 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2198 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2199 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2201 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2203 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2205 * rtl.h (init_virtual_regs): New function.
2206 * emit-rtl.c (init_virtual_regs): Define.
2207 (insn_emit): Use it.
2208 * integrate.c (save_for_inline_copying): Likewise.
2210 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2212 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2213 (enum reg_class): Add NONARG_LO_REGS support.
2214 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2215 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2216 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2217 completes. Re-enable HImode REG+OFFSET addresses.
2218 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2220 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2222 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2224 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2225 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2226 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2228 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2230 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2231 jumps as a single entity, taking into account the size of the
2234 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2236 * tree.def (SWITCH_EXPR): New tree node definition.
2238 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2240 * version.c: Bump for snapshot.
2242 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2244 * version.c: Bump for snapshot.
2246 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2248 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2251 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2253 * Revert this patch.
2254 * reload.c (find_reloads): Do not replace a pseudo with
2255 (MEM (reg_equiv_addr)) in the initializing insn for the
2258 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2260 * final.c (final_scan_insn): Disable tracking CC across branches.
2262 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2264 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2265 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2266 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2267 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2268 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2270 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2272 * toplev.c (rest_of_compilation): Skip compiling anything with
2273 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2275 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2277 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2278 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2279 use in_libcall_block.
2280 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2281 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2284 Mon Sep 21 14:02:23 1998
2286 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2287 typo in no-fancy-math-387 description.
2289 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2291 * version.c: Bump for snapshot.
2293 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2295 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2297 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2299 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2300 documented in install.texi.
2301 (TARGET_OPTIONS) Likewise.
2303 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2305 * version.c: Bump for snapshot.
2307 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2309 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2310 * cccp.c (main): Likewise.
2312 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2313 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2316 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2318 * Makefile.in (LIBS): Link in libiberty.a.
2319 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2321 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2323 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2324 it to update bb boundaries. Update caller.
2325 * function.c (reposition_prologue_and_epilogue_notes): Update
2326 bb boundaries wrt the moved note.
2328 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2330 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2332 * configure: Regenerate.
2334 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2336 * alpha.c (alpha_sr_alias_set): New variable.
2337 (override_options): Set it.
2338 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2339 (mode_mask_operand): Fix signed-unsigned comparision warning.
2340 (alpha_expand_block_move): Likewise.
2341 (print_operand): Likewise.
2342 (get_aligned_mem): Use change_address.
2343 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2344 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2345 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2346 (alpha_align_insns): Remade from old alphaev5_align_insns
2347 to handle multiple processors.
2348 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2349 * output.h (label_to_alignment): Prototype.
2351 * tree.c (new_alias_set): New function.
2352 * tree.h (new_alias_set): Declare it.
2353 * c-common.c (c_get_alias_set): Use it.
2355 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2357 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2358 to an ABS expr, convert an unsigned input to signed.
2360 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2362 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2364 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2366 * configure.in: Add support for c4x targets.
2367 * configure: Rebuilt.
2369 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2371 * combine.c (distribute_notes): If an insn is a cc0 user, only
2372 delete it if we can also delete the cc0 setter.
2374 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2376 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2377 (invert_truthvalue): Enable truthvalue inversion for
2378 floating-point operands if -ffast-math.
2380 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2382 * configure.in: Disable collect2 for nextstep. Instead use
2384 * configure: Rebuilt.
2385 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2386 (ENDFILE_SPEC): Define.
2387 (OBJECT_FORMAT_MACHO): Define.
2388 (EH_FRAME_SECTION_ASM_OP): Define.
2389 * crtstuff.c: Handle MACHO.
2391 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2393 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2395 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2397 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2398 (_fpadd_parts): Get sign right for 0.
2400 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2402 * ginclude/varargs.h: Add support for C4x target.
2403 * ginclude/stdargs.h: Likewise.
2405 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2407 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2408 (alpha_emit_set_long_const): Rewrite to be callable from reload
2410 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2411 * alpha.md (movdi): Likewise.
2413 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2415 * arm.c (add_constant): New parameter address_only, change caller.
2416 Set it non-zero if taking the address of an item in the pool.
2417 (arm_reorg): Handle cases where we need the address of an item in
2420 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2422 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2423 memory addresses that are not in standard canonical form.
2425 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2427 * README.C4X: New file with information about the c4x ports.
2428 * ginclude/va-c4x.h: New file for c4x varargs support.
2429 * config/c4x: New directory with c4x port files.
2431 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2433 * reload.c (find_reloads): Do not replace a pseudo with
2434 (MEM (reg_equiv_addr)) in the initializing insn for the
2437 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2439 * toplev.c (rest_of_compilation): Set bct_p on second call to
2441 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2443 (strength_reduce): Only call analyze_loop_iterations and
2444 insert_bct if bct_p set.
2445 (check_dbra_loop): Fix typo.
2446 (insert_bct): Use word_mode instead of SImode.
2447 (instrument_loop_bct): Likewise. Do not delete iteration count
2448 condition code generation insn. Initialize iteration count before
2450 * rtl.h (loop_optimize): Update prototype.
2452 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2453 not doubleword aligned.
2455 * rs6000.c (optimization_options): New function.
2456 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2457 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2458 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2459 first; cr1 can be used for FP record condition insns.
2461 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2463 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2466 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2469 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2471 (block_move_call): New function: Call a library routine to copy a
2473 (m32r_expand_block_move): New function: Expand a "movstrsi"
2474 pattern into a sequence of insns.
2475 (m32r_output_block_move): New function: Expand a
2476 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2477 (m32r_block_immediate_operand): New function: Return true if the
2478 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2480 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2482 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2484 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2486 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2488 * regmove.c (copy_src_to_dest): Check that modes match.
2490 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2492 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2494 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2496 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2497 narrower than FLOAT_REGS.
2499 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2501 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2503 * Makefile.in (old_gxx_include_dir): removed
2505 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2507 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2510 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2511 (sh_handle_pragma): Change function arguments to match new
2512 specification for HANDLE_PRAGMA.
2514 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2516 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2518 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2519 When generating output, initialize missing struct member to zero.
2521 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2523 * regmove.c (copy_src_to_dest): Don't copy if that requires
2524 (a) new register(s).
2526 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2528 * global.c (reg_allocno): Now static.
2529 * reload1.c (reg_allocno): Delete declaration.
2530 (order_regs_for_reload): Take no arguments. Don't treat regs
2531 allocated by global differently than those allocated by local-alloc.
2533 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2535 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2536 condition, fix format strings.
2537 (output_function_epilogue): Likewise.
2539 * m68k/m68k.c: Don't include <stdlib.h> directly.
2541 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2543 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2544 mem_first_set, mem_last_set; because 0 can be a CUID.
2545 (oprs_unchanged_p): Use new definition.
2546 (record_last_reg_set_info): Likewise.
2547 (record_last_mem_set_info): Likewise.
2548 (compute_hash_table): Likewise.
2550 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2552 * rs6000.c (output_epilogue): Handle Chill.
2554 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2555 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2557 * combine.c (make_extraction): If no mode is specified for
2558 an operand of insv, extv, or extzv, default it to word_mode.
2559 (simplify_comparison): Similarly.
2560 * expmed.c (store_bit_field): Similarly.
2561 (extract_bit_field): Similarly.
2562 * function.c (fixup_var_regs_1): Similarly.
2563 * recog.c (validate_replace_rtx_1): Similarly.
2564 * mips.md (extv, extzv, insv expanders): Default modes for most
2565 operands. Handle TARGET_64BIT.
2566 (movdi_uld, movdi_usd): New patterns.
2568 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2569 equivalent memory location unless we have been provided a scratch
2570 register. Similarly do not call find_replacement unless a
2571 scratch register has been provided.
2573 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2575 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2578 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2580 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2581 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2582 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2583 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2584 * c-decl.c (init_decl_processing): Update accordingly.
2585 * expr.c (expand_builtin): Likewise.
2587 * rtl.h (global_rtl): Add cfa entry.
2588 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2589 (LAST_VIRTUAL_REGISTER): Update.
2590 * emit-rtl.c (global_rtl): Add cfa entry.
2591 (init_emit): Initialize it.
2592 * function.c (cfa_offset): New.
2593 (instantiate_virtual_regs): Initialize it.
2594 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2595 (expand_function_end): Call expand_eh_return.
2596 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2598 * except.c (current_function_eh_stub_label): Kill.
2599 (current_function_eh_old_stub_label): Likwise; update all references.
2600 (expand_builtin_set_return_addr_reg): Kill.
2601 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2602 (expand_builtin_set_eh_regs): Kill.
2603 (eh_regs): Produce a third reg for the actual handler address.
2604 (eh_return_context, eh_return_stack_adjust): New.
2605 (eh_return_handler, eh_return_stub_label): New.
2606 (init_eh_for_function): Initialize them.
2607 (expand_builtin_eh_return, expand_eh_return): New.
2608 * except.h: Update prototypes.
2609 * flow.c (find_basic_blocks_1): Update references to the stub label.
2610 * function.h (struct function): Kill stub label elements.
2612 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2613 register number is one that would be in the previous window.
2614 Provide a dummy definition for non-windowed targets.
2615 (get_reg_addr): New function.
2616 (get_reg, put_reg, copy_reg): Use it.
2617 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2618 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2620 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2621 (alpha_init_expanders): Initialize it.
2622 (alpha_expand_epilogue): Use it.
2623 * alpha.h: Declare it.
2624 * alpha.md (eh_epilogue): New.
2626 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2627 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2629 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2631 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2634 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2636 * except.h (struct eh_entry): Add false_label field.
2637 (end_catch_handler): Add prototype.
2638 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2639 (start_catch_handler): When using old style exceptions, issue
2640 runtime typematch code before continuing with the handler.
2641 (end_catch_handler): New function, generates label after handler
2642 if needed by older style exceptions.
2643 (expand_start_all_catch): No need to check for new style exceptions.
2644 (output_exception_table_entry): Only output the first handler label
2645 for old style exceptions.
2646 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2647 mechanism into one function, if a runtime matcher is provided.
2649 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2651 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2653 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2655 * integrate.c (copy_decl_list): Fix typo.
2657 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2659 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2662 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2664 * version.c: Bump for snapshot.
2666 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2668 * version.c: Bump for snapshot.
2670 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2672 * version.c: Bump for snapshot.
2674 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2676 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2678 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2680 * configure.in: remove usage of `!' to negate the result of a
2681 command; some common shells do not support it
2683 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2685 * configure.in: in sparc9-sol2 config, use 'if test' not
2687 * configure: Rebuilt.
2689 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2691 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2692 (CPP_CPU_DEFAULT_SPEC): Likewise.
2693 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2694 for arch64 libfuncs.
2696 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2699 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2701 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2703 * collect2.c: Don't declare `sys_siglist' here.
2704 (my_strsignal): Prototype and define new function. Use it in
2705 place of `sys_siglist' hacks.
2707 * mips_tfile.c: Likewise.
2709 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2710 (GCC_NEED_DECLARATIONS): Likewise.
2712 * system.h (strsignal): Prototype it, if necessary.
2713 (sys_siglist): Declare it, if necessary.
2715 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2717 * loop.c (move_movables): While removing insn sequences, preserve
2718 the next pointer of the most recently deleted insn when we skip
2721 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2723 * objc/config-lang.in: Do not output the name of the selected
2724 thread file when building the front-end. The Makefile for the
2725 runtime library will do this.
2727 * objc/Make-lang.in: Do not build the runtime library or install
2728 the Objective C header files. The Makefile for the runtime
2729 library will do this.
2731 * objc/Makefile.in (all.indirect): Only build the front-end.
2732 (compiler): Rename to `frontend'.
2733 (obj-runtime): Remove target.
2734 (copy-headers): Likewise.
2735 (clean): No need to remove `libobjc.a' any longer.
2737 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2739 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2740 supported with -mcpu=xxx.
2742 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2744 * flow.c (mark_set_1): Recognize multi-register structure return
2745 values in CALL insns.
2746 (mark_used_regs): Likewise.
2747 (count_reg_sets_1): Likewise.
2748 (count_reg_references): Likewise.
2749 * rtlanal.c (note_stores): Likewise.
2750 (reg_overlap_mentioned_p): Likewise.
2751 * haifa-sched.c (check_live_1): Likewise.
2752 (update_live_1): Likewise.
2753 (sched_analyze_1): Likewise.
2754 (sched_note_set): Likewise.
2755 (birthing_insn_p): Likewise.
2756 (attach_deaths): Likewise.
2758 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2761 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2763 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2765 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2767 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2769 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2771 * configure.in: Add check for GAS subsection -1 support.
2772 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2773 * configure config.in: Rebuilt.
2774 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2775 SImode is subsection -1 works, else use DImode.
2776 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2777 subsection -1 works.
2778 * config/sparc/sparc.c (sparc_output_addr_vec,
2779 sparc_output_addr_diff_vec): Use them if defined.
2781 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2783 * tree.h (DECL_ORIGIN): New macro.
2784 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2785 (copy_decl_list): Use it.
2786 (integrate_parm_decls): Likewise.
2787 (integrate_decl_tree): Likewise.
2788 * dwarf2out.c (decl_ultimate_origin): Simplify.
2789 * dwarfout.c (decl_ultimate_origin): Likewise.
2790 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2791 (pushdecl): Likewise.
2793 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2795 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2797 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2799 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2801 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2803 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2804 empty or has a single entry.
2806 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2807 before calling reg_to_stack.
2809 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2811 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2812 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2814 * c-tree.h (warn_long_long): Declare it.
2816 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2818 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2819 initialized float-int union if the value is a NaN.
2821 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2823 * c-lex.c (real_yylex): Don't warn about long long constants if
2824 we're allowing long long
2826 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2828 * except.h (current_function_eh_stub_label): Declare.
2829 (current_function_eh_old_stub_label): Declare.
2830 * function.h (struct function): New members eh_stub_label and
2832 * except.c (current_function_eh_stub_label): New variable.
2833 (current_function_eh_old_stub_label): New variable.
2834 (init_eh_for_function): Clear them.
2835 (save_eh_status): Save them.
2836 (restore_eh_status): Restore them.
2837 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2838 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2839 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2840 make an edge from the block that contains it to the block starting
2841 with the label if this label is one of the eh stub labels.
2842 If eh stub labels exist, show they are reachable from the last block
2845 * reload1.c (reload): Break out several subroutines and make some
2847 (calculate_needs_all_insns): New function, broken out of reload.
2848 (calculate_needs): Likewise.
2849 (find_reload_regs): Likewise.
2850 (find_group): Likewise.
2851 (find_tworeg_group): Likewise.
2852 (something_needs_reloads): New global variable, formerly in reload.
2853 (something_needs_elimination): Likewise.
2854 (caller_save_spill_class): Likewise.
2855 (caller_save_group_size): Likewise.
2856 (max_needs): Likewise.
2857 (group_size): Likewise.
2858 (max_groups): Likewise.
2859 (max_nongroups): Likewise.
2860 (group_mode): Likewise.
2861 (max_needs_insn): Likewise.
2862 (max_groups_insn): Likewise.
2863 (max_nongroups_insn): Likewise.
2864 (failure): Likewise.
2866 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2868 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2870 * loop.c (load_mems): Copy rtx for output mem.
2872 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2874 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2875 mips1 or mips2 either.
2877 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2879 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2881 (pa_adjust_insn_length): Update to work with new marking scheme
2882 for jumps inside switch tables.
2883 * pa.md (switch_jump): Remove pattern.
2884 (jump): Handle jumps inside jump tables.
2886 * Makefile.in (profile.o): Depend on insn-config.h
2888 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2890 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2892 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2894 Add preliminary native sparcv9 Solaris support.
2895 * configure.in: Recognize sparv9-*-solaris2*
2896 * configure: rebuilt
2897 * config.sub: Recognize sparcv9 just like sparc64.
2898 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2899 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2900 32-bit and 64-bit Solaris systems.
2901 * config/sparc/t-sol2: Assemble those with cpp.
2902 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2903 (*TF*_LIBCALL): If ARCH64 use V9 names.
2904 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2906 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2908 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2909 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2911 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2913 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2914 to Pmode if CASE_VECTOR_MODE is something else.
2916 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2918 * prefix.c (update_path): Correctly handle cases where PATH is
2919 a substring of the builtin prefix, but specifies a different
2922 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2924 * expr.c: Corrected comment about what MOVE_RATIO does.
2925 * config/alpha/alpha.h: Ditto.
2926 * config/1750a/1750a.h: Ditto.
2927 * config/clipper/clipper.h: Ditto.
2928 * config/i386/i386.h: Ditto.
2930 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2932 * configure.in (m68k-next-nextstep3*): Use collect2.
2933 Similarly for x86 NeXT configurations.
2934 * configure: Rebuilt.
2936 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2938 * configure.in: Don't assume srcdir is .../gcc
2939 * configure: Rebuilt.
2941 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2943 * global.c: Update comments.
2944 (global_alloc): Assign allocation-numbers
2945 even for registers allocated by local_alloc in case
2946 they are later spilled and retry_global_alloc is called.
2947 (mark_reg_store, mark_reg_clobber,
2948 mark_reg_conflicts, mark_reg_death): Always record a
2949 conflict with a pseudo register even if it has been
2950 assigned to a hard register.
2951 (dump_conflicts): Don't list pseudo registers already assigned to
2952 a hard register as needing to be allocated, but do list their
2954 * local-alloc.c: Update comment.
2956 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2958 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2959 * configure: Rebuilt.
2961 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
2963 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
2965 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
2966 for all targets that set -msoft-float.
2968 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2970 * toplev.c (print_switch_values): Make static to match prototype.
2972 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
2974 * configure.in: If we are unable to find the "gnatbind" program,
2975 then do not configure the ada subdir.
2976 * configure: Rebuilt.
2978 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
2980 * version.c: Bump for snapshot.
2982 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
2984 * version.c: Bump for snapshot.
2986 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2988 * Makefile.in (toplev.o): Depend on $(EXPR_H).
2989 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
2991 * gansidecl.h: Define ATTRIBUTE_NORETURN.
2993 * genattrtab.c: Have insn-attrtab.c include toplev.h.
2995 * genextract.c: Have insn-extract.c include toplev.h.
2997 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
2999 * toplev.c: Include expr.h.
3000 (really_sorry, fancy_abort): Remove prototypes.
3001 (set_target_switch): Add argument in prototype.
3002 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3003 (v_really_sorry): Likewise.
3004 (print_version, print_single_switch, print_switch_values): Make
3005 static and add prototype arguments.
3006 (decl_printable_name): Add prototype arguments.
3007 (lang_expand_expr_t): New typedef.
3008 (lang_expand_expr): Declare as a lang_expand_expr_t.
3009 (incomplete_decl_finalize_hook): Add prototype argument.
3010 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3011 (botch): Likewise for variable `s'.
3012 (rest_of_type_compilation): Mark variables `type' and `toplev'
3013 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3014 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3015 (display_help): Make variable `i' an `unsigned long'.
3016 (main): Remove unused parameter `envp'.
3017 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3018 Cast -1 when comparing it with a `size_t'.
3020 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3021 prototype with ATTRIBUTE_NORETURN.
3022 (fatal_insn_not_found, fatal_insn, really_sorry,
3023 push_float_handler, pop_float_handler): Add prototypes.
3024 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3025 (do_abort, botch): Add prototypes.
3027 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3029 * final.c (final): If a label is reached only from a single jump,
3030 call NOTICE_UPDATE_CC on the jump and its predecessor before
3031 emitting the insn after the label.
3033 * i386.h: Add AMD K6 support.
3034 Change TARGET_* macros to use table lookup.
3035 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3036 (ADJUST_COST): Change definition to call function in i386.c.
3037 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3038 * i386.c: Add AMD K6 support.
3039 Add constants for feature tests used by TARGET_* macros.
3040 (split_di): If before reload, call gen_lowpart and gen_highpart.
3041 (x86_adjust_cost): New function.
3042 (put_jump_code): New function.
3043 (print_operand): New codes 'D' and 'd'.
3044 * i386.md: New insn types. New insn attribute "memory".
3045 Redefine scheduling parameters to use new types and add AMD K6
3046 support. Explicitly set type of most insns.
3047 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3048 Pro and K6 prefer movl $1,reg to incl reg.
3049 (adddi3, subdi3): Set cc_status.
3050 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3051 to int; x86 can't have more than 2^31 DImode shifts per file.
3052 (setcc): Combine all setcc patterns. Allow writing memory.
3053 Combine all jump patterns using match_operator.
3054 (*bzero): Name pattern. Emit mutliple stos instructions when that
3055 is faster than rep stos.
3056 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3059 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3061 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3064 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3066 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3067 not whatever we're generating now.
3069 * alpha.c (set_frame_related_p, FRP): New.
3070 (alpha_expand_prologue): Mark frame related insns.
3071 (alpha_expand_epilogue): Likewise, but with a null FRP.
3072 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3073 * alpha.md (exception_receiver): New.
3074 * alpha/crtbegin.asm (.eh_frame): New beginning.
3075 (__do_frame_setup, __do_frame_takedown): New.
3076 * alpha/crtend.asm (.eh_frame): New ending.
3077 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3078 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3079 (ASM_FILE_START): Don't emit .file for dwarf2.
3081 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3082 * rtl.c (reg_note_name): Likewise.
3083 * rtl.texi (REG_NOTES): Likewise.
3084 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3087 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3089 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3090 * i386.md (movsf, movdf, movxf): Validate memory address returned
3091 from force_const_mem. Kill useless REG_EQUAL setting code.
3093 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3095 * m68k.md (zero_extendsidi2): Fix typo.
3097 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3099 * configure.in: Removed references to the removed file
3100 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3101 * arm*-*-netbsd* and ns32k-*-netbsd*.
3102 * config/i386/xm-netbsd.h: Removed unnecessary file.
3103 * config/m68k/xm-netbsd.h: Likewise.
3104 * config/sparc/xm-netbsd.h: Likewise.
3105 * config/mips/xm-netbsd.h: Likewise.
3107 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3109 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3110 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3112 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3113 for exact section attributions.
3115 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3117 * i386/crtdll.h (CPP_PREDEFINES): Define.
3119 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3121 * m68k.md (5200 movqi): Do not allow byte sized memory references
3123 * m68k.c (output_move_qimode): Do not use byte sized operations on
3126 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3127 explicit rules for building. Similarly for alloca, vfprintf,
3128 choose-temp and mkstemp, getopt, getopt1, and obstack.
3129 (INCLUDES): Add $(srcdir)/../include.
3130 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3131 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3133 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3135 * gcc.c (do_spec_1): [case 'o'] Account for
3136 lang_specific_extra_outfiles.
3137 (main): Correctly clear all slots in outfiles for
3138 lang_specific_extra_outfiles. Set input_file_number before
3139 calling lang_specific_pre_link.
3141 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3143 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3145 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3147 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3149 (sparc_output_deferred_case_vectors): If no work to do, return.
3150 Fix thinko in Sept 1 change.
3152 1998-09-03 SL Baur <steve@altair.xemacs.org>
3154 * Makefile.in: add semicolon in BISON definition for portability.
3156 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3158 * config/nextstep.c (handle_pragma): Correct name of third
3161 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3163 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3164 * config/m32r/m32r.h: Make register 17 be fixed.
3165 * config/m32r/m32r.c: Use SImode for cc operations.
3167 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3169 * invoke.texi (Warning Options): Add -Wnon-template-friend
3172 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3174 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3176 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3178 * rs6000.md (movsf): Disable explicit secondary-reload-like
3179 functionality if TARGET_POWERPC64.
3180 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3183 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3185 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3186 and term.h from fixinc.wrap.
3188 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3190 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3191 safe to include both string.h and strings.h together.
3192 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3193 which headers to search for function declarations. Continue to
3194 prefer string.h over strings.h when both are not acceptable.
3196 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3198 * configure.in: Call GCC_HEADER_STRING.
3200 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3201 to include. Continue to prefer string.h over strings.h when both
3204 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3206 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3207 not assume top 32-bits of symbolic addresses are zero if
3210 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3212 * ginclude/va-alpha.h: Protect entire second portion of the
3213 file against double inclusion.
3215 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3217 Added support for the Boehm's garbage collector.
3218 * configure.in: Handle --enable-objc-gc.
3219 * configure: Rebuilt.
3220 * Makefile.in (CHECK_TARGETS): Add check-objc.
3221 (check-objc): New rule.
3222 * objc/Make-lang.in: Build a different Objective-C library that
3223 runs with the Boehm's collector.
3224 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3225 * objc/encoding.c: Correctly compute the size of compound types in
3226 the presence of bitfields. Skip the variable name of the type if
3227 any. Added support for long long.
3228 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3229 (_F_GCINVISIBLE): New mask.
3230 * objc/gc.c: New file. Compute the type memory mask associated with
3231 a class based on the runtime information.
3232 * objc/misc.c: Added the hooks that use the Boehm's collector
3233 allocation functions.
3234 * objc/objc-act.c (build_class_template): Generate a new class
3235 member (gc_object_type) to hold the class' type memory mask.
3236 (build_shared_structure_initializer): Initialize the new member to
3238 (encode_complete_bitfield): New function. Generate the new
3240 (encode_field_decl): Generate the new encoding only for the GNU
3242 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3244 (class_get_gc_object_type): New function to mark a pointer instance
3245 variable as a weak pointer.
3246 * objc/objc-features.texi: New file.
3247 * objc/objc.h (gc_object_type): New class member.
3248 * objc/objects.c (class_create_instance): Create a typed memory
3249 object when compiled with Boehm's collector support.
3250 * objc/sendmsg.c (__objc_init_install_dtable): Call
3251 __objc_send_initialize instead of setting the initialize flag.
3252 (__objc_send_initialize): Call __objc_generate_gc_type_description
3253 to generate the class type memory mask. Rewrite the code that
3254 sends the +initialize so that it is called only once (bug report
3255 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3256 * testsuite/objc: New testsuite for Objective-C type encoding.
3257 * testsuite/lib/objc-torture.exp: New file.
3258 * testsuite/lib/objc.exp: New file.
3260 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3262 * jump.c (jump_optimize): In if/then/else transformations, add
3263 another call to modified_between_p for the jump insn.
3265 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3267 * fix-header.c (symlink): Treat like readlink.
3269 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3271 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3274 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3276 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3277 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3278 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3280 * config/nextstep.c (handle_pragma): Take three arguments, as per
3281 the new HANDLE_PRAGMA macro specification.
3282 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3283 per the new HANDLE_PRAGMA macro specification.
3284 * config/i960/i960.c (process_pragma): Take three arguments, as
3285 per the new HANDLE_PRAGMA macro specification.
3287 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3289 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3290 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3291 if unknown pragmas are encountered.
3292 (handle_sysv_pragma): Interpret return code from
3293 handle_pragma_token (). Return success/failure indication rather
3294 than next unprocessed character.
3295 (pragma_getc): New function: retrieves characters from the
3296 input stream. Defined when HANDLE_PRAGMA is enabled.
3297 (pragma_ungetc): New function: replaces characters back into the
3298 input stream. Defined when HANDLE_PRAGMA is enabled.
3300 * c-pragma.c (handle_pragma_token): Return success/failure status
3303 * c-pragma.h: Change prototype of handle_pragma_token().
3305 * varasm.c: (handle_pragma_weak): Only create this function if
3306 HANDLE_PRAGMA_WEAK is defined.
3308 * c-common,c (decl_attributes): If defined call the expression
3309 contained within the INSERT_ATTRIBUTES macro before adding
3310 attributes to a decl.
3312 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3313 HANDLE_PRAGMA, which takes three arguments.
3314 (INSERT_ATTRIBUTES): Document this new macro.
3316 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3317 new INSERT_ATTRIBUTES macro.
3319 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3321 * config/sparc/sparc.md (movdf): Only generate special RTL for
3322 LABEL_REFs when PIC.
3323 (move_label_di): Remove
3324 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3325 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3326 references when PIC.
3327 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3328 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3329 output an .xword for all 64-bit cases.
3331 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3333 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3334 alignment, use FUNCTION_BOUNDARY instead.
3335 (sparc_output_deferred_case_vectors): Likewise.
3337 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3339 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3340 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3342 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3344 * alpha/va_list.h: New file.
3345 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3347 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3349 * NEWS: Add SCO Openserver and Unixware 7 notes.
3353 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3355 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3356 (record_constant_1): Handle RANGE_EXPR.
3358 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3360 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3361 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3362 and NOTE_INSN_RANGE_END specially.
3363 (reemit_notes): Likewise.
3365 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3367 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3368 (ultrasparc_sched_init): Remove unneeded &.
3370 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3372 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3373 for m68020-60, to prevent the use of fintrz.
3375 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3377 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3379 * Makefile.in: Likewise.
3380 * configure: Regenerated.
3382 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3384 * configure.in (gxx_include_dir): Changed to
3385 '${prefix}/include/g++'-${libstdcxx_interface}.
3386 * configure: Rebuilt.
3388 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3390 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3392 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3393 *sequences* *below* which scalar moves will be used.
3395 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3397 * collect2.c (mktemp): Delete unused declaration.
3399 * config/xm-netbsd.h: Remove unnecessary file.
3400 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3401 file anymore, it is not needed.
3403 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3405 * convert.c (convert_to_integer): Issue an error on conversions to
3408 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3410 * Makefile.in: Add lang_tree_files and gencheck.h.
3411 * configure.in: Generate them.
3412 * gencheck.c: Include gencheck.h.
3414 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3416 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3417 movdi_lo_sum_pic and movdi_high_pic and make visible.
3418 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3419 emit these when Pmode is not SImode.
3420 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3422 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3424 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3425 .linkonce directive after the first time.
3427 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3429 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3430 the clobbered operand overlaps with an input.
3431 (bne0_di): Similarly.
3433 * Makefile.in (INSTALL): Remove "--no-header" argument.
3435 * NEWS: Various updates.
3437 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3439 * config/sparc/sparc.c (arith_operand, const64_operand,
3440 const64_high_operand, arith_double_4096_operand): Mark mode as
3442 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3444 (sparc_emit_set_const64): Remove unused variable i.
3445 (sparc_splitdi_legitimate): Likewise for addr_part.
3446 (ultra_code_from_mask): Likewise for mask.
3447 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3448 reverse return values so it matches usage and comments.
3449 (ultra_flush_pipeline): Likewise.
3450 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3451 this_type, and allow loads and stores of differing FP modes as
3452 they do not create a conflict.
3453 (ultra_find_type): Initialize fpmode to SFmode, fix
3454 parenthesization thinkos in large conditional.
3455 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3456 Init free_slot_mask after ultra_cur_hist is reset, not before.
3457 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3458 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3459 use ultra_flush_pipeline instead, then re-init group pointer.
3460 Fix statement with no effect. If no progress made in, and no
3461 instructions scheduled at all, advance to new pipeline cycle else
3462 we get into an endless loop.
3463 (ultrasparc_adjust_cost): Remove previous arg.
3464 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3466 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3468 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3469 code. Use reg_overlap_mentioned_p to detect when source and
3470 destination overlap.
3471 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3473 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3475 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3476 COMPARISON_VAL, into invariant_p.
3478 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3480 * regmove.c (regclass_compatible_p): New function.
3481 (regmove_optimize): Use it.
3483 Use NREGS parameter insted of calling max_reg_num.
3485 (fixup_match_1): Don't use code = MINUS when later tieing with
3486 a hard register is likely.
3488 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3490 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3491 COMPARISON_VAL was normalized.
3493 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3495 * loop.c (check_dbra_loop): The loop ending comparison value
3496 must be an invariant or we can not reverse the loop.
3498 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3499 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3501 (load_mems_and_recount_loop_regs_set): Likewise.
3503 * i386.c (print_operand): Remove obsolete 'c' docs.
3505 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3507 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3508 * frame.c (init_object_mutex): New function.
3509 (init_object_mutex_once): Likewise.
3510 (find_fde): Call it.
3511 (__register_frame_info): Likewise.
3512 (__register_frame_info_table): Likewise.
3513 (__deregister_frame_info): Likewise.
3515 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3517 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3519 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3521 * loop.c (check_dbra_loop): Enable code for reversal
3522 of some loops without a known constant loop end.
3524 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3526 * haifa-sched.c (last_clock_var): New.
3527 (schedule_block): Initialize it.
3528 (schedule_insn): Use it to fill insn modes with issue information.
3530 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3531 Tag trapb and next insn with TImode.
3532 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3533 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3534 Invoke alphaev5_align_insns as appropriate.
3535 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3536 (MD_SCHED_VARIABLE_ISSUE): New.
3537 * alpha.md (attr type): Add multi.
3538 (define_asm_attributes): New.
3539 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3540 (arg_home): Likewise.
3541 (fnop, unop, realign): New.
3543 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3545 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3546 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3548 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3549 (rs6000-ibm-aix4.[12]*): Likewise.
3550 * configure: Regnerate.
3552 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3554 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3555 already contains the return address.
3557 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3559 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3560 word sized hunks when loading unaligned args into registers.
3562 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3563 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3565 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3567 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3569 * loop.c (check_dbra_loop): Add some code that would allow reversal
3570 of some loops without a known constant loop end if it were enabled.
3572 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3574 * mips.md (lshrsi3_internal2+2): Fix type-o.
3576 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3578 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3579 correctly with regards to stdio.h.
3581 * calls.c: Remove stdarg.h/varargs.h.
3584 * combine.c: Likewise.
3585 * cpperror.c: Likewise.
3586 * cpplib.c: Likewise.
3587 * cpplib.h: Likewise.
3588 * doprint.c: Likewise.
3589 * emit-rtl.c: Likewise.
3590 * final.c: Likewise.
3591 * fix-header.c: Likewise.
3593 * genattr.c: Likewise.
3594 * genattrtab.c: Likewise.
3595 * gencodes.c: Likewise.
3596 * genconfig.c: Likewise.
3597 * genemit.c: Likewise.
3598 * genextract.c: Likewise.
3599 * genflags.c: Likewise.
3600 * genopinit.c: Likewise.
3601 * genoutput.c: Likewise.
3602 * genpeep.c: Likewise.
3603 * genrecog.c: Likewise.
3604 * mips-tfile.c: Likewise.
3605 * prefix.c: Likewise.
3606 * protoize.c: Likewise.
3607 * regmove.c: Likewise.
3608 * toplev.c: Likewise.
3611 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3613 * config/sparc/sparc.c (sparc_override_options): If not
3614 TARGET_FPU, turn off TARGET_VIS.
3615 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3616 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3617 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3618 (movdi_insn_sp64): Add VIS fzero alternative.
3619 (clear_sf, clear_df): New VIS patterns.
3620 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3622 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3624 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3626 * loop.c (n_times_set, n_times_used, may_not_optimize,
3627 reg_single_usage): Convert to varrays. All uses changed.
3628 (insert_loop_mem): Return a value.
3629 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3630 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3633 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3636 * configure.in: Do not set thread_file to "irix" since no such
3639 * sparc.md (float abs/neg splits): Check reload_completed before
3640 calling alter_subreg.
3642 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3644 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3646 * config/sparc/sparc.h: Declare it.
3647 * config/sparc/sparc.md (float abs/neg splits): Use it.
3648 (all other splits): Handle SUBREGs properly where necessary.
3649 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3651 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3653 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3654 an insn on the unfilled_slots_list that has no delay slots.
3655 (fill_eager_delay_slots): Similarly.
3657 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3659 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3660 as an ordinary operand.
3662 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3664 * tree.c (valid_machine_attribute): Don't apply attributes to both
3667 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3669 * reload.c (operands_match_p): Handle rtvecs.
3671 * i386.c (legitimate_pic_address_disp_p): New.
3672 (legitimate_address_p): Use it.
3673 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3674 Handle constant pool symbols just like statics.
3675 (emit_pic_move): Use Pmode not SImode for clarity.
3676 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3677 [UNSPEC]: New, handling what we killed above.
3678 [PLUS]: Detect and abort on invalid symbol arithmetic.
3679 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3681 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3683 * alias.c: Include output.h.
3684 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3685 different if we're in a varargs function.
3686 * Makefile.in (alias.o): Depend on output.h
3688 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3690 * sh.h (GIV_SORT_CRITERION): Delete.
3692 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3694 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3695 * stupid.c (stupid_life_analysis): Ditto.
3696 * reload1.c (reload): Ditto.
3698 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3700 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3701 arith_double_4096_operand, arith_double_add_operand): New
3703 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3704 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3705 them to transform add/sub 4096 into add/sub -4096.
3707 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3709 * loop.c (scan_loop): Allocate some slop to handle pseudos
3710 generated by move_movables.
3711 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3714 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3716 * tree.def (DECL_RESULT): Correct documentation.
3718 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3720 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3721 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3722 conflicts will all RELOAD_FOR_OUTPUT reloads.
3724 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3725 loads the function result, substitute with a USE.
3727 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3729 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3730 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3731 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3732 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3733 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3734 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3736 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3737 'o' to 'm' for GPR variant constraints.
3739 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3741 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3743 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3745 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3746 when the source and destination overlap.
3748 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3749 clash with global type.
3751 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3753 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3755 * c-common.c (combine_strings): Also set TREE_READONLY.
3756 Change warn_write_strings to flag_const_strings.
3757 * c-decl.c, c-tree.h: Likewise.
3759 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3761 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3762 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3763 sequence, use SET/IOR instead so CSE can see it.
3764 * config/sparc/sparc.md (movhi_const64_special,
3765 movsi_const64_special): New patterns necessitated by that change.
3766 (movhi_high): Remove.
3767 (movhi_lo_sum): Change to match an IOR.
3768 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3769 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3770 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3771 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3772 registers are involved.
3773 (snesi_zero_extend split): Remove reload_completed test.
3774 (unnamed plus and minus zero_extend sidi splits): Add it.
3776 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3778 * extend.texi: Remove description of extension to explicit
3779 instantiation that is now endorsed by standard C++.
3781 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3783 * config/arc/arc.c (arc_initialize_pic): Remove.
3784 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3785 nothing on any platform and is invoked by no-one, it does not even
3786 appear in the documentation.
3787 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3788 * config/sparc/sparc.c (initialize_pic): Likewise.
3789 (find_addr_reg): Remove this as well, no longer referenced after
3792 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3794 * recog.c (validate_replace_rtx_group): New function.
3795 * recog.h (validate_replace_rtx_group): Declare it.
3796 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3797 the entire group of substitutions.
3799 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3801 * loop.c (load_mems): Fix initializers.
3803 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3805 * config/sparc/sparc.md (TFmode splits): Handle destination
3806 registers being referenced in the address correctly.
3808 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3809 TREE_UNSIGNED, when bitsize of type's mode is larger than
3810 HOST_BITS_PER_WIDE_INT.
3812 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3814 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3815 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3816 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3818 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3821 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3823 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3824 * h8300.h (TINY_DATA_NAME_P): Likewise.
3825 (STRIP_NAME_ENCODING): Handle '&'.
3827 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3828 register (it could be accessed via an outer SUBREG).
3829 (REG_OK_FOR_BASE_P): Likewwise.
3830 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3832 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3835 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3837 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3839 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3840 must be offsettable so the splits can be made.
3842 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3844 * config/i386/winnt.c: Include system.h, not stdio.h to get
3845 sys/param.h pulled in before rtl.h in case the system defines MIN
3848 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3850 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3852 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3854 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3856 * cpplib.c (cpp_define): Handle macros with parameters.
3858 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3860 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3861 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3862 and DImode 64-bit. Use llong for minimal-toc SFmode and
3863 SYMBOL_REF / LABEL_REF 64-bit.
3864 (output_function_profiler): Use llong for profiler label and ld to
3865 load 64-bit label address.
3867 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3869 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3872 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3874 * version.c: Bump for snapshot.
3876 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3878 * version.c: Bump for snapshot.
3880 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3882 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3884 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3886 * tm.texi (Misc): Fix typo "teh".
3888 * tm.texi (PIC): Fix typo "PPIC".
3890 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3891 effect when -O2 and higher.
3892 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3894 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3896 * regclass.c: Changed register set documentation to be consistent
3899 * final.c (final_start_function) Removed redundant test for
3902 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3904 * rtl.h (rtx_function): New type.
3905 (for_each_rtx): New function.
3906 * rtlanal.c (for_each_rtx): Define it.
3908 * recog.c (change_t): New type.
3909 (change_objects, change_old_codes, change_locs, change_olds):
3911 (changes): New variable.
3912 (validate_change): Dynamically allocate room for more changes, if
3913 necessary. Uses changes array instead of change_objects, etc.
3914 (apply_change_group): Use changes array instead of
3915 change_objects, etc.
3917 * loop.c (loop_mem_info): New type.
3918 (loop_mems): New variable.
3919 (loop_mems_idx): Likewise.
3920 (looop_mems_allocated): Likewise.
3921 (scan_loop): Remove nregs parameter.
3922 (next_insn_in_loop): New function.
3923 (load_mems_and_recount_loop_regs_set): Likewise.
3924 (load_mems): Likewise.
3925 (insert_loop_mem): Likewise.
3926 (replace_loop_mem): Likewise.
3927 (replace_label): Likewise.
3928 (INSN_IN_RANGE_P): New macro.
3929 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3930 (scan_loop): Remove nregs parameter, compute it after any new
3931 registers are created by load_mems. Use INSN_IN_RANGE_P and
3932 next_insn_in_loop rather than expanding them inline. Call
3933 load_mems to load memory into pseudos, if appropriate.
3934 (prescan_loop): Figure out whether or not there are jumps from the
3935 loop to targets other than the label immediately following the
3936 loop. Call insert_loop_mem to notice all the MEMs used in the
3937 loop, if it could be safe to pull MEMs into REGs for the duration
3939 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3941 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3943 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3945 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3947 * config/sparc/sparc.c (finalize_pic): Check for the correct
3948 nonlocal_goto_receiver UNSPEC number.
3949 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3950 making note of this dependency existing in sparc.c
3951 (negtf2_notv9 split): Give NEG SFmode.
3952 (negsf2): Fix insn output string.
3954 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3956 * c-common.c (decl_attributes): Issue an error if the argument
3957 to alias is not a string.
3959 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
3961 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
3962 pending memory flush list.
3964 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
3966 (try_combine): Allow combining insns with REG_LIBCALL notes.
3968 * expr.c (emit_block_move): Do not call memcpy as a libcall
3969 instead build up a CALL_EXPR and call it like any other
3971 (clear_storage): Similarly for memset.
3973 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
3976 * Makefile.in (cplus-dem.o): Provide explicit rules for building
3979 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
3980 and REG_LIVE_LENGTH as successful substitutions are made.
3982 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3984 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
3985 statement after end of loop label.
3987 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3989 * config/sparc/sparc.c (ultra_types_avail): New variable.
3990 (ultra_build_types_avail): New function to record mask of insn
3991 types in ready list at this cycle.
3992 (ultrasparc_sched_reorder): Call it.
3993 (ultra_find_type): Use it to quicken the search. Also simplif
3994 dependency check, don't use rtx_equal_p because we know exactly
3995 what we are looking for.
3997 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
3999 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4000 for architecture v4.
4002 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4004 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4006 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4007 movdf_const_intreg and helper splits): New patterns to move float
4008 constants into integer registers.
4009 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4012 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4015 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4017 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4019 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4020 a BASE_REGS register is needed as an intermediate when copying
4021 a symbolic value into any register class other than BASE_REGS.
4023 * expr.c (move_by_pieces): No longer static. Remove prototype.
4024 * rtl.h (move_by_pieces): Add extern prototype.
4025 * mips.c (expand_block_move): Handle aligned straight line copy by
4026 calling move_by_pieces.
4028 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4031 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4033 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4034 jumps out of the loop to be treated as part of the exit test.
4036 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4037 Jeff Law <law@cygnus.com>
4039 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4040 * cplus-dem.c: Delete.
4042 * Makefile.in (fold-const.o): depend on $(RTL_H).
4044 * fold-const.c: Include rtl.h to get the prototype for
4045 `set_identifier_local_value'.
4047 * loop.c (express_from_1): Remove unused variable `tmp'.
4048 (combine_givs): cast the first argument of bzero to char *.
4050 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4052 * c-decl.c (init_decl_processing): Remove unneeded &.
4054 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4056 * except.c (set_exception_lang_code, set_exception_version_code):
4057 Change parameter from `short' to `int' to avoid using a gcc
4060 * except.h (set_exception_lang_code, set_exception_version_code):
4061 Likewise for prototypes.
4063 * flow.c (count_reg_references): Remove unused variables `regno'
4066 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4068 * prefix.c (translate_name): Cast the result of `alloca'.
4070 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4072 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4074 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4076 (valid_dbcc_comparison_p): Mark mode argument as unused.
4077 (symbolic_operand): Likewise.
4078 (legitimize_pic_address): Likewise.
4079 (const_uint32_operand): Likewise.
4080 (const_sint32_operand): Likewise.
4081 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4082 schedule_insns and comment out rest of file.
4084 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4086 (output_move_[hq]imode): Likewise.
4088 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4090 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4091 * invoke.texi: Corresponding changes.
4093 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4095 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4097 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4099 * config/sparc/sparc.c (ultra_code_from_mask,
4100 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4101 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4102 ultrasparc_sched_init, ultrasparc_variable_issue,
4103 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4104 functions to describe UltraSPARC pipeline exactly to Haifa.
4105 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4106 as there is nothing the scheduler can do about it. Indicate that
4107 REG_DEP_OUTPUT's collide. Fixup formatting.
4108 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4109 divide costs on Ultra for DImode.
4110 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4112 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4113 ieuN and add call_no_delay_slot to type list.
4114 (cti function unit): New unit for branches on UltraSPARC.
4115 (subx/addx insns): Set type to misc.
4116 (sidi zero/sign extension insns on arch64): Set type to shift.
4117 (sign_extendhidi2_insn): Set type to sload.
4119 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4121 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4122 (output_epilog): Use if != 0 for offset.
4123 (rs6000_fatal_bad_address): Prepare for Intl.
4124 * rs6000.h (rs6000_fatal_bad_address): Declare.
4125 * rs6000.md (movsfcc, movdfcc): Use else if.
4126 (elf_high): Use {liu|lis}.
4127 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4128 (movsi): Use rs6000_fatal_bad_address.
4130 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4132 * reload.c (find_equiv_reg): Reject equivalences separated
4133 by a volatile instruction.
4135 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4137 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4139 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4141 * alpha.md (movsicc): Fix mode mismatch.
4143 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4145 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4147 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4149 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4151 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4152 write-only modifier from operand 1 constraint.
4154 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4156 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4157 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4159 (sparc_emit_set_const64): Likewise, also when computing trailing
4160 bits do not negate low_bits and make fast_int an int.
4162 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4164 * loop.c (add_label_notes): Do not ignore references to labels
4165 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4166 * gcse.c (add_label_notes): Similarly.
4168 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4170 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4171 (adddi_dishl32): Similarly.
4173 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4175 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4176 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4177 * cse.c (cse_basic_block): Add parens to shut up warnings.
4179 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4181 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4182 sparc_emit_set_const64_longway, const64_is_2insns,
4183 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4184 in 64-bit constant formation.
4185 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4186 rtl for addx not subx.
4187 (define_insn movdi_const64_special): Make available even when
4188 HOST_BITS_PER_WIDE_INT is not 64.
4189 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4190 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4191 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4192 instances of operand 1 inside a QI subreg.
4193 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4194 (one_cmpldi2_sp64): Fix output string.
4195 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4197 (unnamed arch64 ashift DI): Truncate shift count if greater than
4200 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4202 * expr.c (store_expr): Don't optimize away load-store pair
4203 when either source or destination have a side effect.
4205 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4207 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4208 operands of SET are incompatible.
4210 * alpha.md: Fix max and min patterns so modes of SET operands match.
4212 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4214 * configure.in: Avoid [[ by using test and changequote.
4215 * configure: Rebuild.
4217 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4219 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4221 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4222 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4223 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4224 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4225 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4226 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4227 Fix mismatching modes in SET operands.
4228 (conditional move patterns): Fix formatting.
4229 (unnamed subx arch64 pattern): Remove duplicate insn.
4231 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4233 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4234 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4235 (input_operand): Fixup test for what we accept for constant
4237 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4239 (safe_constDI): Remove.
4240 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4241 gen_safe_XOR64): New functions.
4242 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4243 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4245 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4246 available when HOST_BITS_PER_WIDE_INT is not 64.
4247 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4248 move before movdi_insn_sp64 pattern.
4249 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4250 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4251 symbolic_operand as predicate for second operand.
4252 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4253 expander): Give set VOIDmode.
4255 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4257 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4259 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4261 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4263 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4265 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4267 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4269 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4271 * install.texi: Various SCO OpenServer tweaks.
4273 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4275 * reload1.c (eliminate_regs_in_insn): Handle another case when
4276 eliminating the frame pointer to the hard frame pointer. Add
4277 missing ep->to_rtx check to one existing case.
4279 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4281 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4283 * tree.h: De-conditionalize init_priority code.
4285 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4286 * collect2.c (NM_FLAGS): Change from -p to -n.
4288 * configure.in: Turn on collect2 for mipstx39-elf.
4289 Handle use_collect2=no properly.
4291 * c-common.c: De-conditionalize init_priority code.
4292 * collect2.c (extract_init_priority, sort_ids): New fns.
4293 (main): Call sort_ids.
4294 Move sequence_number to file scope.
4296 * configure.in: Handle --enable-init-priority.
4297 * c-common.c (attrs): Add A_INIT_PRIORITY.
4298 (init_attributes, decl_attributes): Likewise.
4299 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4300 * tree.c (get_file_function_name_long): Split out...
4301 (get_file_function_name): ...from here.
4303 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4305 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4308 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4310 * toplev.c (display_help): Add braces to shut up warnings.
4311 * tree.c (simple_cst_equal): Likewise.
4313 * fold-const.c (non_lvalue): Don't deal with null pointer
4315 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4317 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4318 of any size to a pointer.
4320 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4322 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4324 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4326 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4327 which will be saved.
4328 * mn10300.md (prologue insn): Only save registers which need saving.
4329 (epilogue insn): Similarly.
4331 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4334 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4336 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4337 VAR_DECL's in gp addressable sections.
4339 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4341 * sparc.c: Change return <exp> to <exp>; return; in functions
4343 * sparc.md: Add empty semicolon statement after final label in
4346 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4348 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4349 addx_extend_sp64, only allow when TARGET_ARCH64.
4350 (define_insn addx_extend_sp32 and split): Version that works when
4352 (define_insn subx_extend): Likewise.
4353 (define_split adddi3 and subdi3 with zero extension): Fixup and
4354 correct bugs when not TARGET_ARCH64.
4356 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4358 * except.c (set_exception_lang_code, set_exception_version_code):
4359 Use prototype-style definition if __STDC__, to match declaration
4362 * genemit.c: Change FAIL and DONE macros not to use loops.
4364 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4366 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4367 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4369 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4371 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4373 * README.g77: Update from Craig.
4375 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4377 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4379 (safe_constDI sparc_emit_set_const64_quick1,
4380 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4381 analyze_64bit_constant, const64_is_2insns,
4382 create_simple_focus_bits): Fix some bugs when compiled on real
4384 (function_arg_record_value_3, function_arg_record_value_2,
4385 function_arg_record_value): Add fully prototyped forward decls.
4386 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4387 to cmpsi_insn and use on both 64 and 32 bit targets.
4388 (define_insn cmpsi_insn_sp64): Remove.
4389 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4390 (define_insn zero_extendsidi2_insn): Rename to
4391 zero_extendsidi2_insn_sp64.
4392 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4393 assosciated forced split for it.
4395 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4397 * config/sparc/sparc.h: Declare them.
4398 (PREDICATE_CODES): Add them.
4399 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4400 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4402 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4404 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4405 in v9 case as the latter makes the Solaris assembler crash.
4407 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4409 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4410 for TFmode when !v9. We require offsettable memory addresses.
4411 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4412 DFmode register number conversions.
4413 * config/sparc/sparc.md (define_split DFmode moves): If register
4414 is a SUBREG do alter_subreg on it before using.
4415 (define_expand movtf): Fixup comment about alignment on v9.
4416 (define_split TFmode moves): Don't use gen_{high,low}part, create
4417 explicit SUBREGs instead.
4419 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4421 * Makefile.in (mbchar.o): Depend on mbchar.c.
4423 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4424 Richard Henderson <rth@cygnus.com>
4426 Rewrite Sparc backend for better code generation and
4427 improved sparc64 support.
4428 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4430 * config/sparc/sysv4.h: Likewise.
4431 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4432 move_operand, v8plus_regcmp_op, emit_move_sequence,
4433 singlemove_string, doublemove_string, mem_aligned_8,
4434 output_move_double, output_move_quad, output_fp_move_double,
4435 move_quad_direction, output_fp_move_quad, output_scc_insn):
4437 (small_int_or_double): New predicate.
4438 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4439 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4440 old pic_{sethi,lo_sum}_si patterns.
4441 (mem_min_alignment): New generic function to replace
4442 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4443 available and can test for arbitrary alignments. All callers
4445 (save_regs, restore_regs, build_big_number,
4446 output_function_prologue, output_cbranch, output_return,
4447 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4448 sparc_flat_output_function_epilogue): Prettify
4450 (output_function_epilogue): Likewise and add code to output
4451 deferred case vectors.
4452 (output_v9branch): Likewise, add new arg INSN and use it to tack
4453 on branch prediction settings. All callers changed.
4454 (print_operand): Likewise and output %l44 for LO_SUMs when
4456 (sparc_splitdi_legitimate): New function to make sure DImode
4457 splits can be run properly when !arch64.
4458 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4459 Reformat example code in comments.
4460 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4461 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4462 of deferred case vectors we need to output.
4463 (sparc_defer_case_vector): Record a case vector.
4464 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4465 sparc_output_deferred_case_vectors): New functions to output them.
4466 (sparc_emit_set_const32): New function to form 32-bit constants in
4467 registers when that requires more than one instruction.
4468 (safe_constDI, sparc_emit_set_const64_quick1,
4469 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4470 analyze_64bit_constant, const64_is_2insns,
4471 create_simple_focus_bits, sparc_emit_set_const64): New functions
4472 which do the same for 64-bit constants when arch64.
4473 (sparc_emit_set_symbolic_const64): New function to emit address
4474 loading for all code models on v9.
4475 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4476 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4477 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4478 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4479 inaccuracies in comments, add symbolic and text_segment operands
4480 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4481 GENERAL_REGS in these cases as a temp REG is needed to load these
4482 addresses into a register properly.
4483 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4485 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4486 quads are guarenteed to have 16-byte alignment.
4487 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4488 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4489 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4490 deferred case vector implementation.
4491 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4492 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4493 Generate "internal label - label" instead of "label - 1b".
4494 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4495 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4496 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4498 (doublemove_string, output_block_move, output_fp_move_double,
4499 output_fp_move_quad, output_move_double, output_move_quad,
4500 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4501 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4502 (sparc_emit_set_const32, sparc_emit_set_const64,
4503 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4504 mem_min_alignment, small_int_or_double): Add externs.
4505 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4506 UNSPEC_VOLATILE in this backend.
4507 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4508 unary to types which execute in it.
4509 (define_function_unit ieu_shift): Rename to ieu0.
4510 (define_function_unit ieu1): New, executes compare, call, and
4511 uncond_branch type insns.
4512 (define_function_units for type fdivs, fdivd, fsqrt): These
4513 execute in the fpu multiply unit not the adder on UltraSparc.
4514 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4515 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4516 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4517 allows the arith_double_operand predicate and rHI constraint when
4519 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4520 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4521 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4522 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4523 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4524 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4525 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4526 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4527 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4528 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4529 sign_extendqihi2_insn, sign_extendqisi2_insn,
4530 sign_extendqidi2_insn, sign_extendhidi2_insn,
4531 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4532 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4533 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4534 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4535 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4536 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4537 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4538 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4539 smulsi3_highpart_v8plus, unnamed subreg mult,
4540 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4541 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4542 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4543 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4544 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4545 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4546 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4547 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4548 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4549 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4550 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4551 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4552 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4553 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4554 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4555 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4556 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4557 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4558 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4559 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4560 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4561 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4562 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4563 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4564 call_address_untyped_struct_value_sp32,
4565 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4566 call_value_symbolic_sp32, call_value_address_sp64,
4567 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4568 flush_register_windows, goto_handler_and_restore,
4569 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4570 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4571 return_addsi, return_di, return_adddi, return_sf, all call+jump
4572 peepholes, trap, unnamed trap insns): Prettify output strings.
4573 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4574 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4575 Likewise and force + implement splits for integer cases.
4576 (define_insn return_sf_no_fpu): Likewise and allow to match when
4577 no-fpu because of our subreg SFmode splits.
4578 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4579 zero_extendqidi2_insn, zero_extendhidi2_insn,
4580 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4581 input_operand for second operand.
4582 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4583 reg_or_0_operand for operand 2 so new splits can use it.
4584 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4585 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4587 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4588 CONST_DOUBLEs for operand 2.
4589 (define_insn move_label_di): Likewise and label distance
4590 optimization because it no longer works with new deferred case
4591 vector scheme. To be revisited.
4592 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4593 and allow reg_or_0_operand and J constraint for second operand.
4594 (define_insn jump): Set branch predict taken on V9.
4595 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4596 new deferred case vector scheme.
4597 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4598 (define_insn negdi2_sp32): Force + implement splits.
4599 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4600 one_cmplsi2_not_liveg0 respectively, and create expander of original
4601 names which emit special rtl for TARGET_LIVE_G0.
4602 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4603 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4604 gen_compare_reg, FAIL instead.
4605 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4606 values when trying to reverse condition codes, if they FAIL then
4608 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4609 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4610 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4611 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4612 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4613 set output string to # to indicate they are mandatory splits.
4614 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4615 pic_sethi_di, move_pic_label_si): Remove.
4616 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4617 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4619 (define_expand movsi_pic_label_ref, define_insn
4620 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4621 expander and insns to handle PIC label references and deferred
4623 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4625 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4626 Rewrite to not use emit_move_sequence, make use of new constant
4627 formation code, and new splits for all multi-insn cases.
4628 (define_insn movqi_insn): Remove sethi case, it can never happen.
4629 Use reg_or_zero_operand instead of const0_rtx explicit test,
4630 use input_operand instead of move_operand for source, and use
4631 general_operand now for dest.
4632 (define_insn movhi_insn): Similar but leave sethi case.
4633 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4634 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4635 movhi_lo_sum respectively, prettify output string.
4636 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4637 register when needed on TARGET_LIVE_G0.
4638 (define_insn movsi_insn): Use general_operand and input_operand
4639 for dest and src respectively. Simplify applicability test.
4640 Prettify output strings, and add clr alternative for J
4642 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4643 deprecated std and reg-reg DI moves): Remove and...
4644 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4645 implementation which uses forced splits for all non-single insn
4647 (define_split DI move cases on !arch64): New splits to handle all
4648 situations of 64-bit double register DImode on 32bit, and
4649 unaligned registers and memory addresses for all subtargets.
4650 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4652 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4653 input_operand for dest and src respectively, prettify output
4655 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4656 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4658 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4659 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4660 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4661 movtf_no_e_insn_sp64) Replace with new
4662 implementation which uses forced splits for all non-single insn
4664 (define_split DF move cases): New splits in similar vein to DI
4666 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4667 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4668 movdi_sp64_insn): Remove old v9 code model and constant loading
4670 (define_insn pic_lo_sum_di, pic_sethi_di,
4671 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4672 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4673 embmedany_sethi, embmedany_losum, embmedany_brsum,
4674 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4675 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4676 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4677 scheme, using unspecs, secondary reloads, and one to one sparc
4678 insn to rtl insn mapping for better scheduling and code gen.
4679 (define_expand reload_indi, reload_outdi): Reload helpers for
4680 MEDANY and EMBMEDANY symbol address loading cases which require a
4682 (define_expand movsicc): Remove v8plus_regcmp cases.
4683 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4684 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4685 cmp_diqi_trunc_set): New patterns used by some of the new scc
4687 (define_insn xordi3_sp64_dbl): New pattern used for constant
4688 formation when crossing from 32-bit targets.
4689 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4691 (define_insn addx, subx): Make visible and prettify.
4692 (define_insn adddi3_insn_sp32): Likewise and force split.
4693 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4694 64bit scc split usage.
4695 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4696 zero_extend, subdi3): Force and implement splits.
4698 * final.c (final_scan_insn): Don't output labels if target
4699 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4702 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4703 don't forget to walk inside SEQUENCESs too as these are what the
4704 delay slot scheduler will create.
4706 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4708 * alpha.md (extxl+1,+2): New patterns to work around
4711 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4713 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4714 caused bad assembly code to be generated.
4716 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4718 * netbsd.h: Fix typo.
4720 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4722 * config.sub: Fix typo.
4724 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4726 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4728 (Running Protoize): Typo: Change "ther" into "other".
4730 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4732 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4733 * m68k/netbsd.h: Likewise.
4734 * ns32k/netbsd.h: Likewise.
4735 * sparc/netbsd.h: Likewise.
4737 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4739 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4740 * ginclude/va-clipper.h (va_list): Likewise.
4742 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4744 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4745 load/store multiple instructions unless user overrides.
4747 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4749 * ns32k/netbsd.h: Fix typo.
4751 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4753 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4754 labels with .debugsym if no parallel insns.
4756 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4758 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4759 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4761 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4763 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4764 (AR_FOR_TARGET): Define.
4766 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4768 * dyn-string.h: New file.
4769 * dyn-string.c: Likewise.
4770 * Makefile.in (OBJS): Add dyn-string.o.
4771 (dwarf2out.o): Add dyn-string.h dependency.
4772 (dyn-string.o): List dependencies.
4773 * dwarf2out.c: Include dyn-string.h.
4774 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4775 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4776 prototype. Use dyn_string_append rather than strcat, throughout.
4777 (addr_to_string): Use dyn_string_t.
4779 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4781 Function entry/exit profiling instrumentation:
4782 * expr.h (profile_function_entry_libfunc,
4783 profile_function_exit_libfunc): Declare new variables.
4784 * optabs.c: Define them here.
4785 (init_optabs): Initialize them.
4786 * tree.h (struct tree_decl): New flag
4787 no_instrument_function_entry_exit.
4788 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4789 * c-decl.c (duplicate_decls): Merge it.
4790 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4791 (init_attributes): Use it for "no_instrument_function".
4792 (decl_attributes): Handle it, for functions that have not yet been
4793 compiled. Set decl flag.
4794 * flags.h (flag_instrument_function_entry_exit): Declare new
4796 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4797 (f_options): New option "instrument-functions".
4798 * function.h (struct function): New field instrument_entry_exit.
4799 * function.c (current_function_instrument_entry_exit): New
4801 (push_function_context_to, pop_function_context_from): Save and
4803 (expand_function_start): Set current_ variable, maybe emit return
4804 label and entry profile call.
4805 (expand_function_end): Maybe emit exit profile call.
4807 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4809 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4810 NON_QI_REG_P, pretend the register is SImode.
4812 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4814 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4815 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4816 manufacturer id for ns32k.
4817 * configure: Regenerated.
4818 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4819 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4820 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4821 * config/m68k/netbsd.h: Same.
4822 * config/ns32k/netbsd.h: Same.
4823 * config/sparc/netbsd.h: Same.
4825 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4827 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4828 or UNROLL_COMPLETELY loop that starts with a jump to its
4831 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4833 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4834 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4835 (print_operand, case 'B'): Don't fall through.
4836 (print_operand, case 'S'): Correct mask begin/end computation.
4837 Use HOST_BITS_PER_WIDE_INT.
4838 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4839 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4840 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4841 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4843 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4845 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4846 constraint from second alternative.
4848 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4850 * configure.in: Fix --without/--disable cases for local-prefix,
4851 gxx-include-dir and checking.
4853 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4855 * configure.in (enable_haifa): Set by default for sparc64 too.
4858 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4860 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4861 * i386/winnt.c (associated_type): New fn.
4862 (i386_pe_valid_type_attribute_p): New fn.
4863 (i386_pe_check_vtable_importexport): Remove.
4864 (i386_pe_dllexport_p): Use associated_type.
4865 (i386_pe_dllimport_p): Likewise.
4867 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4868 * i386.c (i386_valid_type_attribute_p): Also accept
4869 attributes for METHOD_TYPEs.
4871 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4873 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4875 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4877 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4879 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4880 them from generating a new base name for each occurence of
4883 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4885 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4887 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4891 * cplus-dem.c (type_kind_t): New type.
4892 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4893 on this paramter, rather than demangling the type again.
4894 (demangle_integral_value): Pass tk_integral.
4895 (demangle_template_: Pass the value returned from do_type.
4896 (do_type): Return a type_kind_t. Pass tk_integral to
4897 demangle_template_value_parm for array bounds.
4898 (demangle_fund_type): Likewise.
4900 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4902 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4905 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4907 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4909 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4911 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4913 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4916 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4918 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4919 (DEBUGGER_ARG_OFFSET): Likewise.
4921 * mn10300.md (movsf): Remove last change. Not needed.
4923 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4925 * c-lex.c (yylex): Fix boundary conditions in character literal and
4926 string literal loops.
4928 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4930 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4931 being invoked incorrectly.
4933 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4934 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4936 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4937 * configure.in: Added i[34567]86-*-win32
4938 * config.sub: Ditto.
4939 * configure: Rebuilt.
4941 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4943 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4944 the frame pointer and compiling PIC code and reload has not completed.
4946 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4949 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4951 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4953 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4955 * Makefile.in (install-info): Only try to update the info
4956 directory file if it exists in the first place.
4958 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
4960 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
4962 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
4964 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
4965 CONST_DOUBLE source.
4967 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
4969 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
4970 strings as the insertion of USER_LABEL_PREFIX.
4971 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
4973 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
4976 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
4978 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
4979 already defined type.
4981 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
4983 * expr.c (check_max_integer_computation_mode): Allow conversions
4984 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
4985 (expand_expr): Likewise.
4987 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4989 * expr.c (expand_expr): Expand RETURN_EXPR.
4991 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
4993 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
4995 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
4997 * dwarf2out.c (output_aranges): Call stripattributes
4998 for TEXT_SECTION references.
4999 (output_line_info): Likewise.
5001 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5003 * profile.c (branch_prob): Call allocate_reg_info after outputting
5004 profile rtl in instrument_arcs.
5006 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5008 * fixinc.irix (math.h): Install wrapper instead of copying.
5010 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5012 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5013 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5014 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5015 lang_flag_0. Added documentation in the flag table.
5017 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5019 * cccp.c (do_include): Fix vax c style include handling.
5021 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5023 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5025 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5027 * fold-const.c (non_lvalue): Don't deal with null pointer
5029 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5031 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5033 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5034 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5035 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5036 (u_short_cint_operand): Same.
5037 (reg_or_cint_operand): Same.
5038 (logical_operand): Same.
5039 (input_operand): Same.
5040 (reg_or_short_operand): Use u_short_cint_operand.
5042 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5044 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5045 but keep the insns and splits. Adjust so when the ultimate destination
5046 is memory, use cvtql.
5048 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5050 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5052 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5054 * gcc.c (do_spec): Call "error" not "warning".
5056 * configure.in: Fix minor problems with gas feature detection code.
5057 * configure: Rebuilt.
5059 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5062 * gcc.c: Delete %[spec] support.
5063 (do_spec_1, case '('): Likewise.
5064 (do_spec_1, case '['): Call error.
5066 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5068 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5069 (CPP_SUBTARGET_SPEC): Default to empty string.
5070 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5071 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5072 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5073 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5075 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5076 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5077 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5078 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5079 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5080 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5081 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5082 * alpha/vxworks.h: Likewise.
5084 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5086 * mips.md (reload_outsi): Added missing REGNO call.
5087 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5089 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5090 another match_operator and compare the codes.
5092 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5094 * MIPS multiply pattern fixes:
5095 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5096 Add union classes for HI, LO, or HILO plus general registers.
5097 (GENERATE_MADD): Deleted.
5098 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5099 Add TARGET_MAD to condition.
5100 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5101 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5102 "*d" for accumulator, to give preference to LO initially but not
5105 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5107 * configure.in (enable_c_mbchar): New configure option.
5108 (extra_cpp_objs): Always available now.
5110 * cexp.y (mbchar.h): #include it.
5111 (yylex): Handle Multibyte characters in character literals.
5113 * cccp.c (mbchar.h): #include it.
5114 (main): Set character set based on LANG environment variable.
5115 (rescan): Handle multibyte characters in comments.
5116 (skip_if_group): See above.
5117 (validate_else): See above.
5118 (skip_to_end_of_comment): See above.
5119 (macarg1): See above.
5120 (discard_comments): See above.
5121 (rescan): Handle multibyte characters in string and character literals.
5122 (collect_expansion): See above.
5123 (skip_quoted_string): See above.
5124 (macroexpand): See above.
5125 (macarg1): See above.
5126 (discard_comments): See above.
5127 (change_newlines): See above.
5129 * c-lex.c (mbchar.h): #include it.
5130 (GET_ENVIRONMENT): New macro.
5131 (init_lex): Set character set based on LANG environment variable.
5132 (yylex): Handle multibyte characters in character literals.
5133 (yylex): Handle multibyte characters in string literals.
5135 * Makefile.in (mbchar.o): New target.
5136 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5137 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5139 * mbchar.[ch]: New files for multibyte character handling.
5141 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5143 * jump.c (jump_optimize): When simplifying noop moves and
5144 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5145 the PUSHes to rewrite in second loop as we did in the first.
5147 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5149 * cplus-dem.c (demangle_nested_args): Make function definition
5150 static to match the prototype.
5152 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5154 * alloca.c: Respect USE_C_ALLOCA.
5155 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5156 * gengenrtl.c (xmalloc): Likewise.
5158 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5160 * loop.h (struct induction): Add no_const_addval.
5161 * loop.c (the_movables, reg_address_cost): New variables.
5162 (init_loop): Init reg_address_cost.
5163 (loop_optimize): Call end_alias_analysis.
5164 (scan_loop): Init the_movables.
5165 (record_giv): Init induction->no_const_addval.
5166 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5167 [REG]: Rearrange loop search test to catch more cases.
5168 (general_induction_var): Return success not benefit; take an extra
5169 argument for that. Change all callers.
5170 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5171 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5172 [default]: Search the_movables for additional combinations.
5173 (sge_plus_constant, sge_plus): New functions.
5174 (express_from_1): New function.
5175 (express_from): Always define. Rewrite using express_from_1.
5176 (combine_givs_p): Handle more cases. Ignore address cost.
5177 (cmp_combine_givs_stats): New function.
5178 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5179 (combine_givs): Rewrite to do best-fit combination.
5181 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5182 (fold): Do a complete (A*C)+(B*C) association check.
5184 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5186 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5188 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5190 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5192 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5194 * tree.c (valid_machine_attribute): Only create a new type variant if
5195 there is a decl to use it.
5197 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5199 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5202 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5204 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5207 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5209 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5210 Simplify tests for clearing an address register.
5211 (expand_prologue): Corresponding changes.
5213 * mn10300.md (movXX patterns): Make sure the destination is an
5214 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5215 (logical patterns): Split into expanders + patterns
5216 (zero and sign extension patterns): Similarly.
5217 (shift patterns): Similarly.
5219 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5221 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5222 for the sequence, recording base values.
5224 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5226 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5228 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5230 * gcc.c: Remove ANSI-C ism from --help code.
5232 * toplev.c: Support --help with USE_CPPLIB.
5234 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5236 * configure.in: Rework gas feature code to work with symlink based
5239 * extend.texi: Clarify some issues related to local variables
5240 assigned to explicit registers.
5242 * mn10300.md (mulsi): Turn into expander + pattern.
5244 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5247 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5249 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5251 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5253 * version.c: Bump again to distinguish mainline tree from the
5256 See ChangeLog.0 for earlier changes.
5259 add-log-time-format: current-time-string
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