1 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
6 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * mips.h (EXTRA_SPECS): Add missing initializers.
10 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12 * sparc.h (EXTRA_SPECS): Add missing initializers.
13 (sparc_defer_case_vector): Provide a prototype.
15 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
16 comparing it to the result of a pointer subtraction.
18 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
21 the argument to (unsigned char).
23 * alpha.h (EXTRA_SPECS): Add missing initializers.
24 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
27 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
29 * flow.c (life_analysis_1): Enable "rescan" code after reload.
30 (propagate_block): Delete dead code after reload.
32 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
33 back Oct 15, 1998 change.
34 * haifa-sched.c (update_flow_info): Likewise.
35 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
37 * mn10200.md (truncated shift): Accept constant inputs too.
39 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
41 * machmode.h (mode_mask_array): No longer const.
42 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
44 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
46 * frame.c: Somewhat explain `FDE'.
47 Suggested by Brendan Kehoe
49 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
51 * expr.c (pending_chain): Move up.
52 (save_expr_status): Do save pending_chain.
53 (restore_expr_status): And restore it.
54 * function.h (struct function): Add pending_chain.
56 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
58 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
59 did not match the code.
61 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
63 * regclass.c (regclass): Break out some code into new function
64 scan_one_insn, and into regclass_init.
65 (init_cost): New static variable, moved out of regclass.
66 (regclass_init): Initialize it here, not in .
67 (scan_one_insn): New static function, broken out of regclass.
68 * recog.c (apply_change_group): Break out some code into new
69 function insn_invalid_p.
70 (insn_invalid_p): New static fn, broken out of apply_change_group.
72 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
74 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
75 reg_reloaded_contents matches incremented pseudo.
77 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
79 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
81 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
82 addressing modes with side effects. These are currently
83 placeholders for the C4x target.
85 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
87 * loop.c (express_from): Make sure that when generating a PLUS of
88 a PLUS, any constant expression appears on the outermost PLUS.
90 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
92 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
93 works if "$(srcdir)" != ".".
95 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
97 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
98 existing SUBREG if we can, otherwise abort.
100 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
102 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
103 `restrict' is applied to a non-pointer variable.
105 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
107 * invoke.texi: Document -flang-isoc9x.
109 * Makefile.in (OBJS): Add splay-tree.o.
110 (c-common.o): Depend on rtl.h.
111 (splay-tree.o): List dependencies and provide build rule.
113 * rtl.h (record_alias_subset): New function.
114 * alias.c: Include splay-tree.h.
115 (alias_set_entry): New type.
116 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
117 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
118 (mems_in_disjoin_alias_sets_p): New function.
119 (alias_set_compare): Likewise.
120 (insert_subset_children): Likewise.
121 (get_alias_set_entry): Likewise.
123 * tree.h (TYPE_RESTRICT): New macro.
124 (TYPE_UNQUALIFIED): New manifest constant.
125 (TYPE_QUAL_CONST): Likewise
126 (TYPE_QUAL_VOLATILE): Likewise.
127 (TYPE_QUAL_RESTRICT): Likewise.
128 (tree_type): Add restrict_flag. Reduce count of free bits.
129 (DECL_POINTER_ALIAS_SET): New macro.
130 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
131 (tree_decl): Add pointer_alias_set.
132 (build_qualified_type): New function.
133 (build_type_variant): Define in terms of build_qualified_type.
134 * tree.c (set_type_quals): New function.
135 (make_node): Initializae DECL_POINTER_ALIAS_SET.
136 (build_type_attribute_variant): Use build_qualified_type and
138 (build_type_variant): Rename, and modify, to become...
139 (build_qualified_type): New function.
140 (build_complex_type): Use set_type_quals.
142 * c-tree.h (C_TYPE_OBJECT_P): New macro.
143 (C_TYPE_FUNCTION_P): Likewise.
144 (C_TYPE_INCOMPLETE_P): Likewise.
145 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
146 (c_apply_type_quals_to_decl): New function.
147 (c_build_qualified_type): New function.
148 (c_build_type_variant): Define in terms of c_build_qualified_type.
149 (flag_isoc9x): Declare.
150 * c-typeck.c (qualify_type): Use c_build_qualified_type.
151 (common_type): Change to use TYPE_QUALS.
152 (comptypes): Likewise.
153 (convert_for_assignment): Likewise.
154 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
155 * c-decl.c (flag_isoc9x): Define.
156 (c_decode_option): Handle -flang-isoc9x.
157 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
158 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
159 * c-lex.c (init_lex): Deal with restrict.
160 (init_lex): Don't treat restrict as a reserved word in
161 -traditional mode, or without -flang-isoc9x.
162 * c-lex.h (rid): Add RID_RESTRICT.
163 * c-parse.gperf (restrict, __restrict, __restrict__): Make
164 equivalent to RID_RESTRICT.
165 * c-parse.in (TYPE_QUAL): Update comment.
166 * c-common.c: Include rtl.h.
167 (c_find_base_decl): New function.
168 (c_build_type_variant): Rename, and modify, to become ...
169 (c_build_qualified_type): New function.
170 (c_apply_type_quals_to_decl): Likewise.
171 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
172 a particular alias set for the reference.
173 * toplev.c (documented_lang_options): Add -flang-isoc9x.
175 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
177 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
178 command line switches.
180 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
182 * reload.c (loc_mentioned_in_p): Add missing braces to bind
185 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
187 * gcc.c (option_map): Added --classpath and --CLASSPATH.
189 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
191 * regclass.c (fix_register): Add error message.
192 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
195 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * c-decl.c (warn_missing_noreturn): New global variable.
198 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
199 (finish_function): Implement missing noreturn warning.
201 * c-tree.h (warn_missing_noreturn): Declare extern.
203 * invoke.texi: Document new flags.
205 * toplev.c (documented_lang_options): Add description.
207 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
209 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
210 loop optimization stable for the C4x.
211 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
212 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
213 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
215 (c4x_address_conflict): Be more paranoid when packing a volatile
216 memref in a parallel load/store.
218 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
220 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
221 repeat_block_filler): Deleted.
222 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
223 Condition code not set if destination register from 'c' class.
224 (*subbqi3_carry_clobber): Fix typo.
226 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
228 * reorg.c (steal_delay_list_from_target) Check for insns that
229 modify the condition codes and effect the direction of the jump
232 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
234 * function.c (purge_addressof_1): Replace call to
235 emit_insns_before() with emit_insn_before().
237 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
239 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
241 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
243 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
245 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
247 * gcse.c (compute_hash_table): Correctly identify hard regs which are
248 clobbered across calls.
250 * loop.c (scan_loop): Be more selective about what invariants are
253 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
255 * version.c: Bump for snapshot.
257 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
259 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
260 static eh_context structure.
262 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
264 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
266 (try_combine): Don't update max_scratch.
267 * flow.c (max_scratch, num_scratch): Delete variables.
268 (life_analysis_1): Don't initialize max_scratch.
269 (propagate_block): Don't update max_scratch.
270 (mark_set_1): Don't increment num_scratch.
271 * regs.h (max_scratch): Delete declaration.
273 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
275 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
276 is nonzero. This is temporary!
278 * sched.c (update_flow_info): Handle death notes made invalid by
279 instruction splitting. Partially reverts Oct 15, 1998 patch.
280 * haifa-sched.c (update_flow_info): Likewise.
282 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
284 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
285 if it has a nonzero DECL_INITIAL.
287 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
289 * Makefile.in (flow.o): Depend on recog.h.
291 * cpplib.h (directive_table): Add missing initializiers.
292 (finclude): Change type of variable `bsize' to size_t.
294 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
296 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
298 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
299 `int' when comparing against one.
300 (cpp_file_line_for_message): Mark parameter `pfile' with
302 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
304 * flow.c: Include recog.h.
305 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
307 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
308 `f' with ATTRIBUTE_UNUSED.
309 (reposition_prologue_and_epilogue_notes): Likewise.
311 * genopinit.c (gen_insn): Cast argument of ctype functions to
314 * haifa-sched.c: Include recog.h.
315 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
316 comparing against one.
318 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
320 * mips-tfile.c (parse_end): Cast the argument of ctype function to
322 (parse_ent): Likewise.
323 (parse_input): Likewise.
325 * optabs.c (init_libfuncs): Likewise.
327 * protoize.c (find_rightmost_formals_list): Likewise.
329 * recog.h (const_double_operand): Fix typo in prototype.
331 * tlink.c (scan_linker_output): Cast the argument of ctype
332 function to `unsigned char'.
334 * toplev.c (check_lang_option): Cast the result of `strlen' to
335 `int' when comparing against one.
337 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
339 * gcse.c (dump_cuid_table): Correct typo.
341 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
343 * toplev.c (display_help): Prepend '-m' to target specific
345 (check_lang_option): Ignore text after end of first word of a
346 language specific option.
348 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
350 * reload1.c (reg_used_by_pseudo): New static variable.
351 (choose_reload_regs): Initialize it.
352 Use it instead of testing spill_reg_order to determine whether a
353 pseudo is live in a hard register across the current insn.
354 Fix a typo in a reference to reload_reg_rtx.
356 * flow.c (propagate_block): Replace code that computes and uses
357 regs_sometimes_live with simpler code that just walks the set of
358 currently live registers.
360 * Makefile.in (insn-extract.o): Fix dependencies.
361 * genextract.c (main): Generate includes for insn-config.h and
363 Delete generation of declarations which are now in recog.h.
364 * genrecog.c (main): Delete generation of definitions which are
366 * local-alloc.c (block_alloc): Use extract_insn and the variables
367 it sets up instead of looking up values by insn_code.
368 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
369 recog_dup_num): Define here instead of generating the definition in
371 (recog_n_operands, recog_n_dups, recog_n_alternatives,
372 recog_operand_mode, recog_constraints, recog_operand_address_p):
374 (extract_insn): New function.
375 * recog.h (extract_insn): Declare function.
376 (which_alternative, recog_n_operands, recog_n_dups,
377 recog_n_alternatives, recog_operand_mode, recog_constraints,
378 recog_operand_address_p): Declare variables.
379 * regclass.c (n_occurrences): New static function.
380 * reload.c (n_occurrences): Delete function.
381 (find_reloads): Use extract_insn.
382 * reload.h (n_occurrences): Delete declaration.
384 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
386 * reload1.c (reload_as_needed): Fix test for when to call
387 update_eliminable_offsets.
389 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
391 Fix consistency problems with reg_equiv_{mem,address};
392 Improve reload inheritance;
394 * reload.c (reload_out_reg): New variable.
395 (loc_mentioned_in_p, remove_address_replacements): New functions.
396 (remove_replacements): Deleted.
397 (push_reload): Set reload_out_reg[i].
398 When merging, also set reload_{in,out}_reg[i], and remove
399 duplicate address reloads.
400 (combine_reloads): Copy reload_out_reg[i].
401 (find_reloads): Do make_memloc substitution also when
402 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
404 Include *recog_operand_loc in commutativity operand changes.
405 Generate optional output reloads.
406 Delete reference to n_memlocs. Don't set *recog_operand_loc before
407 processing operands. Call make_memloc in reg_equiv_address code.
408 Set *recog_operand_loc only after processing operands, and only
409 if replace is true. Return a value.
410 When changing address reload types for operands that didn't get
411 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
412 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
413 Don't emit USEs for pseudo SUBREGs when not replacing.
414 (find_reloads_address): Do make_memloc substitution also when
415 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
417 (find_reloads_toplev): Likewise.
418 Call make_memloc in reg_equiv_address code.
419 (debug_reload_to_stream): Add code to output reload_out_reg.
420 (make_memloc): Delete local variable i, ifdefed out code, and
421 references to memlocs and n_memlocs.
422 (memlocs, n_memlocs): Delete.
423 (push_secondary_reload): Clear reload_out_reg.
424 (find_reloads_address_1): Provide memrefloc argument to all calls
425 to find_reloads_address.
426 In AUTO_INC code, handle non-directly addressable equivalences properly.
427 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
428 (find_reloads): Add return type.
429 (remove_address_replacements, deallocate_reload_reg): Declare.
430 * reload1.c (num_not_at_initial_offset): No longer static.
431 (delete_address_reloads, delete_address_reloads_1): Likewise.
432 (deallocate_reload_reg): New function.
433 (spill_reg_stored_to): New array.
434 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
435 (eliminate_regs_in_insn): Move assignments of previous_offset and
436 max_offset fields, and recalculation of num_not_at_initial_offset
437 into new static function:
438 (update_eliminable_offsets) .
439 (reload_as_needed): Call update_eliminable_offsetss after calling
441 Call forget_old_reloads_1 with contents of reloaded auto_inc
442 expressions if the actual addressing can't be changed to match the
444 (choose_reload_regs): For inheritance, replace
445 reload_reg_free_before_p test with reload_reg_used_at_all test, and
446 remove stand-alone reload_reg_used_at_all test.
447 Use reload_out_reg to determine which reload regs have output reloads.
448 Treat reload_override_in more similar to inherited reloads.
449 Handle (subreg (reg... for inheritance.
450 For flag_expensive_optimizations, add an extra pass to remove
451 unnecessary reloads from known working inheritance.
452 Delete obsolete code for pseudos replaced with MEMs.
453 Handle inheritance from auto_inc expressions.
454 (emit_reload_insns): If reload_in is a MEM, set OLD to
456 Don't reload directly from oldequiv; if it's a pseudo with a
457 stack slot, use reload_in[j].
458 Check that reload_in_reg[j] is a MEM before replacing reload_in
459 from reg_reloaded_contents.
460 Include non-spill registers in reload inheritance processing.
461 Also try to use reload_out_reg to set spill_reg_store /
463 In code to set new_spill_reg_store, use single_set to find out if
464 there is a single set.
465 Add code that allows to delete optional output reloads.
466 Add code to allow deletion of output reloads that use no spill reg.
467 At the end, set reload_override_in to oldequiv.
468 Also call delete_output_reload if reload_out_reg is equal to old
470 Add code to call delete_output_reload for stores with no matching load.
471 Set / use spill_reg_stored_to.
472 Handle case where secondary output reload uses a temporary, but
473 actual store isn't found.
474 When looking for a store of a value not loaded in order to call
475 delete_output_reload, count_occurences should return 0 for no
476 loads; but discount inherited input reloadill_reg_stored_to.
477 Do checks for extra uses of REG. Changed all
479 Use delete_address_reloads.
480 (reload): Take return value of find_reloads into account.
481 If a no-op set needs more than one reload, delete it.
482 (reload_reg_free_before_p): RELOAD_FOR_INPUT
483 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
484 for the same operand.
485 (clear_reload_reg_in_use): Check for other reloads that keep a
487 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
488 RELOAD_FOR_OPADDR_ADDR.
489 Take into account when an address address reload is only needed
490 for the address reload we are considering.
491 (count_occurrences): Use rtx_equal_p for MEMs.
492 (inc_for_reload): Return instruction that stores into RELOADREG.
493 New argument two, IN, and rtx. Changed all callers.
494 (calculate_needs_all_insns, reload_as_needed):
495 Don't clear after_call for a CLOBBER.
496 Keep track of how many hard registers need to be copied from
497 after_call, and don't clear after_call before we have seen
498 that much copies, or we see a different instruction.
500 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
502 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
503 after reload has completed.
505 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
507 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
508 a macro name and the next token with a single blank if that whitespace
509 is in a macro buffer and the next token is not '('.
511 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
513 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
515 (skip_if_group): Ditto.
516 (skip_to_end_of_comment): Ditto.
518 (discard_comments): Ditto.
519 (change_newlines): Ditto.
521 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
523 * c-lex.c (yylex): Fix unaligned access of wchar_t.
525 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
527 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
528 (TARGET_OPTIONS): Add --help documentation.
530 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
532 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
534 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
536 * fixinc/* Moved in from ../contrib directory in preparation
537 for integrating it into the normal build process. In particular,
538 fixinc/Makefile.in must be config-ed into the build directory
539 as fixinc/Makefile. Proposed patches to ./Makefile.in and
540 ./configure.in will be "in the mail" momentarily.
542 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
544 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
545 accidently walk into the free list. Comment how that can happen.
546 (invalidate): Fix indentation.
548 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
549 Jeffrey A Law (law@cygnus.com)
551 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
552 reload. Never perform rescans of the insn chain after reload.
553 (propagate_block): Do not delete insn or create new autoinc addressing
556 * jump.c (jump_optimize): Unconditionally use the code that was
557 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
558 * reload1.c (reload): When reloading is finished, delete all
559 REG_DEAD and REG_UNUSED notes.
560 (emit_reload_insns): Delete all code that was conditional on
561 PRESERVE_DEATH_INFO_REGNO_P.
562 (no_longer_dead_regs): Delete variable.
563 (reload_cse_delete_death_notes): Delete function.
564 (reload_cse_no_longer_dead): Delete function.
565 (reload_cse_regs_1): Delete all code to handle deletion of death
567 (reload_cse_noop_set_p): Likewise.
568 (reload_cse_simplify_set): Likewise.
569 (reload_cse_simplify_operands): Likewise.
570 (reload_cse_move2add): Likewise.
571 * reorg.c (used_spill_regs): Delete declaration.
572 (max_label_num_after_reload): Delete declaration.
573 (find_dead_or_set_registers): Don't assume that spill regs are
574 dead at a CODE_LABEL.
575 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
577 * sched.c (sched_analyze_insn): Likewise.
578 (update_flow_info): Likewise.
579 * haifa-sched.c (sched_analyze_insn): Likewise.
580 (update_flow_info): Likewise.
581 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
582 * toplev.c (max_label_num_after_reload): Delete variable.
583 (rest_of_compilation): Don't set max_label_num_after_reload.
584 Call life_analysis after reload_cse_regs if optimizing.
585 * config/gmicro/gmicro.h: Delete comment referring to
586 PRESERVE_DEATH_INFO_REGNO_P.
587 * config/i386/i386.h: Likewise.
588 * config/m88k/m88k.h: Likewise.
589 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
590 * config/sh/sh.h: Likewise.
592 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
594 * loop.c (strength_reduce): Restore marking bct_p as
596 * rs6000.c (optimization_options): Change #ifdef HAIFA to
597 HAVE_decrement_and_branch_on_count.
598 (small_data_operand): Remove TARGET_ELF condition for marking
599 parameters ATTRIBUTE_UNUSED.
601 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
603 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
604 (SELECT_SECTION): Resync with svr4.h.
606 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
608 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
611 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
613 * c-pragma.c (handle_pragma_token): Test for null tree before
614 dereferencing TREE_CODE.
616 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
618 * config/c4x/c4x.c: Convert to use GEN_INT.
619 (c4x_parallel_process): Rework to handle new repeat loop structure.
621 * config/c4x/c4x.md: Convert to use GEN_INT.
622 (rptb_end): Convert to use GE test. Replace uses with clobbers.
623 (decrement_and_branch_on_count): Likewise.
625 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
626 loop.c has the desired functionality.
627 (rc_reg_operand): New prototype.
629 * config/c4x/t-c4x: Can now build all front ends.
631 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
633 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
635 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
637 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
638 * config/t-rtems: Do not install assert.h -- use newlib's.
640 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
642 * combine.c (combine_instructions): When finished, call init_recog.
643 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
645 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
647 * toplev.c: If flag_syntax_only, don't open or write assembler file.
649 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
651 * cppalloc.c (memory_full): Mark function prototype with
654 * demangle.h (collect_exit): Likewise.
656 * fix-header.c (v_fatal, fatal): Likewise.
658 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
661 * gcov.c (print_usage): Likewise.
663 * genattr.c (fatal, fancy_abort): Likewise.
665 * genattrtab.c (fatal, fancy_abort): Likewise.
667 * gencodes.c (fatal, fancy_abort): Likewise.
669 * genconfig.c (fatal, fancy_abort): Likewise.
671 * genemit.c (fatal, fancy_abort): Likewise.
673 * genextract.c (fatal, fancy_abort): Likewise.
675 * genflags.c (fatal, fancy_abort): Likewise.
677 * genopinit.c (fatal, fancy_abort): Likewise.
679 * genoutput.c (fatal, fancy_abort): Likewise.
681 * genpeep.c (fatal, fancy_abort): Likewise.
683 * genrecog.c (fatal, fancy_abort): Likewise.
685 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
686 __sjpopnthrow, __throw): Likewise.
688 * objc/objc-act.c (objc_fatal): Likewise.
690 * protoize.c (usage, aux_info_corrupted,
691 declare_source_confusing): Likewise.
693 * rtl.c (dump_and_abort): Likewise.
695 * rtl.h (sets_cc0_p): Likewise.
697 * toplev.c (float_signal, pipe_closed): Likewise.
699 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
701 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
702 when generating the decision tree for the general case.
704 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
705 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
707 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
709 * Makefile.in (sched.o): Depend on recog.h.
711 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
712 (unsigned) when comparing against one.
713 (find_base_value): Likewise.
714 (record_base_value): Cast variable `regno' to (unsigned) when
715 comparing against one. Cast the result of REGNO() macro to
716 (unsigned) when comparing against one.
717 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
719 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
720 variable where an unsigned index is needed.
722 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
723 before comparing against one.
725 * collect2.c: Add prototypes for functions `error', `fatal' and
726 `fatal_perror'. Make these functions take variable arguments
727 instead of faking it with a fixed number of args.
728 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
731 * combine.c (can_combine_p): Mark parameter `pred' with
733 (find_split_point): Cast variable `src' to (unsigned
734 HOST_WIDE_INT) when comparing against one.
735 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
736 (simplify_logical): Likewise.
737 (force_to_mode): Cast result of INTVAL() macro to (unsigned
738 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
739 HOST_WIDE_INT) in shift.
740 (simplify_and_const_int): Cast result of INTVAL() macro to
741 `unsigned HOST_WIDE_INT' when comparing against one.
742 (merge_outer_ops): Cast variable const0 to `unsigned
743 HOST_WIDE_INT' when comparing against the result of
744 GET_MODE_MASK() macro.
745 (simplify_comparison): Likewise for variable `c0'. Cast variable
746 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
747 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
748 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
749 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
750 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
751 comparing against one.
752 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
754 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
755 macro to `unsigned HOST_WIDE_INT' when comparing against one.
756 (output_block_move): Cast `sizeof' expression to (int) when
757 comparing against one.
758 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
760 (save_restore_insns): Cast `base_offset' to `long' to match format
761 specifier in fprintf.
763 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
764 to `enum machine_mode'.
766 * flow.c (life_analysis_1): Remove unused variable `insn'.
768 * gcc.c (translate_options): Move variables `j' and `k' into the
769 scope in which they are used. Change their types to `size_t'.
770 (set_spec): Cast the argument of ctype macro to `unsigned char'.
771 (read_specs): Likewise.
772 (process_command): Cast `sizeof' to (int) when comparing against one.
773 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
774 (handle_braces): Cast both sides of `==' expression to `long' to
775 ensure sign matching.
776 (main): Cast variable `i' to `int' when comparing against one.
778 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
779 int to size_t. Cast variable `i' to size_t when comparing against
782 * genattrtab.c (convert_set_attr_alternative): Remove unused
783 parameter `insn_code'. All callers changed.
784 (convert_set_attr): Likewise.
786 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
787 size_t when comparing against one. Likewise for variable `len'.
789 * global.c (global_alloc): Cast variable `max_regno' to size_t
790 when comparing against one. Likewise for variable `max_allocno'.
792 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
794 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
795 `set' with ATTRIBUTE_UNUSED.
796 (find_free_reg): Cast `sizeof' expression to (int) when comparing
799 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
800 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
801 (get_condition): Cast variable `const_val' to `unsigned
802 HOST_WIDE_INT' when comparing against one. Cast unsigned
803 expression to HOST_WIDE_INT when comparing against one.
804 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
805 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
806 `unsigned' when comparing against one.
808 * protoize.c (is_id_char): Change type of parameter `ch' to
810 (munge_compile_params): Cast argument of ctype macro to (const
812 (process_aux_info_file): Cast variable `aux_info_size' to int when
813 comparing against one.
814 (forward_to_next_token_char): Cast argument of ctype macro to
815 `const unsigned char'.
816 (edit_formals_lists): Likewise.
817 (find_rightmost_formals_list): Likewise.
818 (add_local_decl): Likewise.
819 (add_global_decls): Likewise.
820 (edit_fn_definition): Likewise.
821 (do_cleaning): Likewise.
822 (scan_for_missed_items): Likewise.
823 (edit_file): Cast variable `orig_size' to (int) when comparing
825 (main): Cast argument of ctype macro to `const unsigned char'.
827 * recog.c (const_int_operand): Mark parameter `mode' with
830 * regclass.c (record_reg_classes): Change type of variable `c' to
831 `unsigned char'. Cast `char' array index to `unsigned char'.
833 * reload.c (push_secondary_reload): Cast argument to
834 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
836 * reload1.c (calculate_needs): Cast `char' array index to
838 (set_label_offsets): Change type of variable `i' to unsigned int.
839 Cast result of XVECLEN() macro to unsigned when comparing against
841 (mark_not_eliminable): Change type of variable `i' to unsigned.
842 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
843 when comparing against one.
844 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
845 comparing against one.
846 (choose_reload_regs): Hide unused label `fail'.
847 (reload_cse_simplify_operands): Cast `char' array index to
849 (reload_combine_note_store): Mark parameter `set' with
850 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
852 (reload_cse_move2add): Remove unused variable `src2'.
854 * sched.c: Include recog.h.
855 (sched_note_set): Remove unused parameter `b'. All callers
857 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
858 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
859 when comparing against one.
861 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
862 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
863 comparing against one.
865 * unroll.c (precondition_loop_p): Remove unused parameter
866 `loop_end'. All callers changed.
868 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
870 * reload1.c (maybe_fix_stack_asms): New static function.
873 * reload.h (compute_use_by_pseudos): Declare.
875 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
876 (something_needs_reloads): Delete variable.
877 (finish_spills): New function.
878 (compute_use_by_pseudos): New function.
880 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
881 Use the reload_insn_chain instead of walking the rtl directly.
883 (reload): Allocate and free spilled_pseudos.
884 Ensure that all calls of spill_hard_reg are followed by a call to
886 Use the insns_need_reload list instead of something_needs_reloads
887 to find out if reload_as_needed must be called.
888 Clear unused_insn_chains at the end.
890 (calculate_needs_all_insns): Lose FIRST parameter. All callers
892 Delete code to keep track of current basic block.
893 Walk reload_insn_chain instead of the rtl structure. Build the
894 insns_need_reload chain.
895 Remember which insns need reloading/elimination by setting the
896 appropriate fields in struct insn_chain, not by putting modes on the
899 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
900 arg INSN. All callers changed.
901 Delete declaration of struct needs.
902 Don't set something_needs_reloads.
903 Record insn needs in the CHAIN argument.
905 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
907 (reload_as_needed): Lose FIRST arg. All callers changed.
908 Walk the reload_insn_chain instead of the rtx structure.
909 Delete code to keep track of current basic block.
910 Rename one of the NEXT variables to OLD_NEXT.
912 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
914 (choose_reload_regs): Likewise.
916 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
919 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
920 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
921 (hard_regs_live, hard_regs_need_restore): Delete variables.
922 (n_regs_saved): Now static.
923 (referenced_regs, this_insn_sets): New variables.
925 (setup_save_areas): Restructure the code a bit.
927 (restore_referenced_regs): Delete function.
928 (mark_referenced_regs): New function, similar to the old
929 restore_referenced_regs, but mark registers in referenced_regs.
931 (clear_reg_live): Delete function.
932 (mark_set_regs): Renamed from set_reg_live. All callers changed.
933 Only mark registers in this_insn_sets.
935 (save_call_clobbered_regs): Rework this function to walk the
936 reload_insn_chain instead of using the list of instructions directly.
937 Delete code to keep track of register lives, compute live regs on the
938 fly from information in the chain.
939 Instead of calling restore_referenced_regs, use mark_referenced_regs,
940 then walk the set it computes and call insert_restore as appropriate.
942 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
944 Restructure the code a bit. Test hard_regs_saved instead of
945 hard_regs_need_restore.
946 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
947 args. All callers changed.
948 Restructure the code a bit. Use TO_SAVE to determine which regs to
949 save instead of more complicated test.
950 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
952 Create a new insn_chain structure for the new insn and place it
955 * rtl.texi: Update documentation to reflect that reload no longer
956 puts modes on the insns.
958 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
960 * function.c (purge_addressof_1): Force the first argument of a
963 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
965 * rtl.h: Delete duplicate prototypes. Add some missing
967 * rtlanal.c: (for_each_rtx): Formatting tweak.
969 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
971 * real.c (emdnorm and etoasc): Disable round to even for c4x target
972 to be compatible with TI compiler.
974 * Makefile.in (USER_H): Add va-c4x.h to definition.
976 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
978 * function.c (purge_addressof_1): Fix typo in inequality: do
979 bitfield optimization for equal mode sizes.
980 * expmed.c (store_bit_field): Don't take subregs of subregs in
981 the movstrict case. Tidy a potential problem in the multi-word case.
982 (extract_bit_field): Likewise.
984 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
986 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
988 Compute max_uid_for_flow by calling get_max_uid after the scan.
989 (find_basic_blocks_1): Don't emit NOPs here.
991 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
993 * alias.c (base_alias_check): Accept new args for the modes of the
994 two references. Use them to determine if an AND can overlap. Update
996 (memrefs_conflict_p): Assume sizes are aligned, and uses them
997 to determine if an AND can overlap.
999 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1001 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1002 check. Add comment to document problems with TARGET_SUN_FPA version
1004 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1006 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1008 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1010 * c-common.c (print_char_table): Add missing initializers.
1011 (scan_char_table): Likewise.
1012 (time_char_table): Likewise.
1014 * c-decl.c (c_decode_option): Mark parameter `argc' with
1016 (declare_parm_level): Mark parameter `definition_flag' with
1019 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1020 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1023 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1025 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1027 (expand_call): Cast result of MIN() to (unsigned int) when
1028 comparing against an unsigned value.
1030 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1032 (make_definition): Remove unused parameter `op'. All callers
1034 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1035 comparing against the result of pointer arithmetic.
1037 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1038 when comparing against one.
1040 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1041 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1043 (output_die): Move variable `i' into the scope in which it is
1044 used. Change its type to `unsigned'.
1045 (output_die): Cast the result of `strlen' to (int) when passing it
1046 to ASM_OUTPUT_ASCII().
1047 (output_pubnames): Likewise.
1048 (output_line_info): Likewise.
1050 * emit-rtl.c (global_rtl): Add missing initializers.
1052 * explow.c (promote_mode): Mark parameter `for_call' with
1055 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1056 `unsigned HOST_WIDE_INT' when comparing against one.
1057 (synth_mult): Change type of variable `cost' to int.
1058 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1060 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1061 when comparing against one.
1062 (get_inner_reference): Change variable `alignment' to unsigned.
1063 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1064 int) when comparing against one.
1065 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1067 * fold-const.c (div_and_round_double): Cast BASE to
1068 (HOST_WIDE_INT) when comparing against one.
1070 * gencheck.c: Include gansidecl.h.
1071 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1073 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1074 `tcode' with ATTRIBUTE_UNUSED.
1076 * real.c (edivm): Cast constant value to (unsigned long) in
1077 expression compared against an unsigned value.
1079 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1080 comparing against one.
1081 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1082 when comparing against one.
1084 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1085 (unsigned int) when comparing against one. Likewise for
1087 (smallest_mode_for_size): Likewise.
1088 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1089 (restore_storage_status): Likewise.
1091 * toplev.c (debug_args): Add missing initializer.
1092 (f_options): Spelling correction. Add missing initializers.
1093 (documented_lang_options): Likewise.
1094 (debug_end_source_file): Mark parameter `lineno' with
1097 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1098 `decl' and `type' with ATTRIBUTE_UNUSED.
1100 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1101 when comparing against one.
1102 (assemble_variable): Mark parameter `top_level' with
1104 (assemble_external_libcall): Mark parameter `fun' with
1106 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1109 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1111 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1112 Replace use of r5 with use of r19.
1114 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1116 * config/v850/v850.c (compute_register_save_size): Allow for the
1117 fact that helper functions save all registers, not just those used
1120 Replace constant 31 with macro LINK_POINTER_REGNUM.
1122 * config/v850/v850.md: Use 'indirect_operand' rather than
1123 'memory_operand' for bit test/set/clear patterns.
1125 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1127 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1128 * varasm.c (assemble_start_function et al): Don't call
1129 ASM_GLOBALIZE_LABEL for weak symbols.
1131 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1133 * cse.c (equiv_constant): Check for NULL return from
1134 gen_lowpart_if_possible().
1136 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1138 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1140 * collect2.c (main): Pass -EL/-EB through to the compiler.
1142 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1144 * expr.c (push_block): Handle targets where the stack grows
1145 to higher addresses, but args grow to lower addresses and
1146 ACCUMULATE_OUTGOING_ARGS is not defined.
1148 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1150 * config/v850/v850.c (print_operand): Extend meaning
1151 of 'c' operands to support .vtinherit.
1153 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1155 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1156 Added ATTRIBUTE_UNUSED to unused function arguments.
1157 (rc_reg_operand): New predicate.
1158 (c4x_rptb_insert): New function.
1159 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1160 (c4x_optimization_options): New function.
1162 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1163 (decrement_and_branch_on_count): New pattern.
1164 (rptb_top): Modified pattern to work with BCT optimization.
1166 * config/c4x/c4x.h (RC_REG): New register class.
1167 (rc_reg_operand): Define prototype.
1168 (IS_RC_REG): New macro.
1169 (IS_RC_OR_PSEUDO_REG): New macro.
1170 (IS_RC_OR_PSEUDO_REGNO): New macro.
1171 (OPTIMIZATION_OPTIONS): Define.
1173 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1175 * collect2.c (extract_init_priority): No priority is 65535.
1177 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1179 * Makefile.in (build_tooldir): new variable, same as old
1180 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1181 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1182 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1184 * configure.in (gxx_include_dir): set default based on unlibsubdir
1185 * Makefile.in (tooldir): ditto
1186 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1187 gxx_include_dir, includedir and tooldir
1188 (protoize.o, unprotoize.o): ditto
1190 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1192 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1194 * config/arm/thumb.c (thumb_override_options): Add warning about
1195 PIC code not being supported just yet.
1197 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1199 * flow.c: Update comment.
1200 (notice_stack_pointer_modification): New static function.
1201 (record_volatile_insns): Use it.
1202 (mark_regs_live_at_end): Mark the stack pointer as alive
1203 at the end of the function if current_function_sp_is_unchanging
1205 (life_analysis_1): Set current_function_sp_is_unchanging.
1206 * function.c: Define it.
1207 (init_function_start): Initialize it.
1208 * output.h: Declare it.
1209 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1210 the stack pointer as alive at the end of the function if
1211 current_function_sp_is_unchanging is set.
1212 * i386.c (ix86_epilogue): Optimize the restoring
1213 of the stack pointer.
1215 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1217 * version.c: Bump for snapshot.
1219 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1221 * c-pragma.c (handle_pragma_token): If passed a token instead
1222 of a tree, use that as the pack value.
1224 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1226 * flow.c (find_basic_blocks_1): Fix prototype.
1228 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1230 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1231 (struct tree_decl): New fields no_check_memory_usage.
1232 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1233 (init_attributes): Register it as a new attribute.
1234 (decl_attributes): Set flags on functions given that attribute.
1235 * c-decl.c (duplicate_decls): Merge new attribute.
1236 * expr.h (current_function_check_memory_usage): Declare new var.
1237 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1238 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1239 current_function_check_memory_usage.
1240 * function.h: Add field to struct function.
1241 * function.c (current_function_check_memory_usage): Define it.
1242 (push_function_context_to, pop_function_context_from): Save and
1244 (expand_function_start): Set it, based on global flag and function
1247 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1248 check non-automatic variables, to permit detection of writes to
1249 read-only locations in embedded systems without memory management.
1250 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1251 when emitting chkr_set_right_libfunc call, even if the argument is
1252 BLKmode or variable-sized; don't abort.
1254 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1255 symbols in Pmode, not VOIDmode.
1257 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1259 * cppexp.c: When forcing unsigned comparisons, cast both sides
1262 * cpphash.h: Move static declaration of hashtab[]...
1263 * cpphash.c: ...here.
1265 * cpplib.c: Cast difference of two pointers to size_t before
1266 comparing it to size_t. Cast signed to unsigned
1267 before comparing to size_t. (FIXME: struct argdata should use
1268 unsigned buffer sizes.)
1269 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1270 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1271 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1272 size_t before comparison.
1274 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1276 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1277 (find_basic_blocks_1): Similarly.
1278 * output.h (find_basic_blocks): Fix prototype.
1279 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1280 find_basic_blocks anymore.
1282 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1284 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1285 (sbitmap_free, sbitmap_vector_free): New macros.
1286 * output.h (rtl_dump_file): Declare.
1288 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1290 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1292 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1294 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1296 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1297 (divide): Remove unused variable `tmp'.
1298 (si_to_float): Cast numeric constant to (SItype) before comparing
1301 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1303 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1304 * gcc.c (add_preprocessor_option): Correct typo when allocating
1305 memory, sizeof() argument had one too many `*'.
1306 (add_assembler_option): Likewise.
1307 (add_linker_option): Likewise.
1308 * gcov.c (output_data): Likewise.
1309 * local-alloc.c (memref_used_between_p): Likewise.
1310 (update_equiv_regs): Likewise.
1311 * loop.c (strength_reduce): Likewise.
1312 * reg-stack.c (record_asm_reg_life): Likewise.
1313 (subst_asm_stack_reg): Likewise.
1314 * reorg.c (dbr_schedule): Likewise.
1316 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1318 * flow.c (life_analysis_1): Break out some functions.
1319 (find_basic_blocks_1): Likewise. Also move some variables out and
1321 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1322 new static var nonlocal_label_list with it.
1323 (active_eh_region, nested_eh_region, label_value_list,
1324 nonlocal_label_list): New static variables.
1325 (make_edges, delete_unreachable_blocks, delete_block): New static
1326 functions, broken out of find_basic_blocks_1.
1327 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1328 noop_move_p): New static functions, broken out of life_analysis_1.
1330 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1332 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1333 Take extra care for op0 now possibly being a subreg.
1334 (extract_bit_field): Likewise.
1335 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1336 the reg to memory if there is no equal sized integral mode.
1337 * stor-layout.c (int_mode_for_mode): New function.
1338 * machmode.h: Prototype it.
1340 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1342 * global.c (build_insn_chain): Verify no real insns exist past the
1343 end of the last basic block, then exit the loop.
1345 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1347 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1349 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1351 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1353 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1355 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1357 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1359 * flow.c (find_basic_blocks): Correctly determine when a call
1360 is within an exception region.
1362 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1364 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1366 * cpplib.h: Protect from multiple inclusions.
1367 * cpplib.c: Fix minor formatting problems.
1369 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1371 * jump.c (jump_optimize): Revert accidental patch.
1373 * Makefile.in (cpplib.o): Use unlibsubdir.
1375 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1377 * loop.c (get_condition): Allow combine when either compare is
1380 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1382 * version.c: Bump for snapshot.
1384 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1386 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1387 (init_lex): Initialize ridpointers[RID_BYREF].
1388 * c-lex.h (enum rid): Add RID_BYREF.
1389 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1390 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1391 (encode_type_qualifiers): Similarly
1392 * c-gperf.h: Rebuilt.
1394 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1396 * c-common.c (type_for_mode): Only return TItype nodes when
1397 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1398 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1399 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1400 (init_decl_processing): Only create TItype nodes when
1401 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1402 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1403 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1405 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1407 * stmt.c (n_occurrences): New static function.
1408 (expand_asm_operands): Verify that all constrains match in the
1409 number of alternatives.
1410 Verify that '+' or '=' are at the beginning of an output constraint.
1411 Don't allow '&' for input operands.
1412 Verify that '%' isn't written for the last operand.
1413 * reload.c (find_reloads): Abort if an asm is found with invalid
1414 constraints; all possible problems ought to be checked for earlier.
1416 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1418 * flags.h (flag_branch_on_count_reg): Always declare
1419 * toplev.c (flag_branch_on_count_reg): Likewise.
1420 * toplev.c: Fix typos.
1422 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1425 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1427 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1429 (find_basic_blocks_1): Add a nop to the end of a basic block when
1430 a trailing call insn does not have abnormal control flow.
1431 * gcse.c (pre_transpout): New variable.
1432 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1433 (compute_pre_transpout): Calculate it.
1434 (compute_pre_ppinout): Use it to eliminate impossible placements
1435 due to abnormal control flow through calls.
1436 (compute_pre_data): Call compute_pre_transpout.
1438 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1440 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1442 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1444 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1445 and matching define_insns): Tack on a `use' of the table label, so
1446 flow analysis will recognize a tablejump.
1448 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1450 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1451 always end basic blocks for abnormal edge reasons.
1453 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1455 * config/i386/i386.h: Remove definition of
1456 HANDLE_PRAGMA_PACK_PUSH_POP.
1458 * config/i386/go32.h: Add definition of
1459 HANDLE_PRAGMA_PACK_PUSH_POP.
1461 * config/i386/win32.h: Add definition of
1462 HANDLE_PRAGMA_PACK_PUSH_POP.
1464 * config/i386/cygwin32.h: Add definition of
1465 HANDLE_PRAGMA_PACK_PUSH_POP.
1467 * c-pragma.c (insert_pack_attributes): Do not insert
1468 attributes unless #pragma pack(push,<n>) is in effect.
1470 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1472 * expr.c (emit_group_store): Handle a PARALLEL destination.
1474 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1476 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1477 the new insns before the argument regs are loaded.
1479 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1481 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1482 (c-parse.gperf): Update comments describing invocation flags.
1483 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1485 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1487 * reload1.c (reload): Call free before clobbering the memory
1488 locations or constants pointers.
1490 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1492 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1493 for efficiency by checking whether we need to modify the current
1494 stack permission at all.
1495 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1496 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1497 __enable_execute_stack libcall here too if
1498 TRANSFER_FROM_TRAMPOLINE is defined.
1499 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1502 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1504 * Makefile.in (DRIVER_DEFINES): Remove last change.
1506 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1508 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1509 insns we're going to copy.
1510 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1512 * loop.c (count_one_set): Add prototype.
1514 * caller-save.c (restore_referenced_regs): Lose mode argument.
1515 (insert_save): Lose mode argument.
1516 (insert_restore): Lose mode argument.
1517 (insert_one_insn): Lose mode argument.
1518 (save_call_clobbered_regs): Lose mode argument.
1519 (setup_save_areas): Take no argument and return void. All callers
1521 Don't verify validity of memory addresses.
1522 * reload.h (setup_save_ares): Adjust prototype.
1523 (save_call_clobbered_regs): Likewise.
1524 * reload1.c (delete_caller_save_insns): New function.
1525 (caller_save_spill_class): Delete variable.
1526 (caller_save_group_size): Delete variable.
1527 (reload): Call setup_save_areas and save_call_clobbered_regs
1528 in the main loop, before calling calculate_needs_all_insns.
1529 Don't call save_call_clobbered_regs after the loop.
1530 Call delete_caller_save_insns at the end of an iteration if
1532 Delete code to manage caller_save_spill_class.
1533 Emit the final note before setting reload_first_uid.
1534 Simplify test that determines whether reload_as_needed gets run.
1535 (calculate_needs): Delete code to manage caller_save_spill_class.
1537 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1539 * collect2.c (main): Initialize ld_file_name.
1541 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1543 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1544 check for flag_function_sections.
1546 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1548 * cse.c (insert_regs): Fix bug in Sep 24 change.
1550 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1552 * flags.h (flag_dump_unnumbered): Declare.
1553 * toplev.c (flag_dump_unnumbered): Don't declare.
1554 * print-rtl.c (flags.h): Include.
1555 (print_rtl_single): Add return value.
1556 * rtl.h (print_rtl_single): Update declaration.
1557 * flow.c (flag_dump_unnumbered): Don't declare.
1558 (print_rtl_with_bb): Use return value of print_rtl_single.
1560 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1562 * loop.c (count_one_set): New static function, broken out of
1564 (count_loop_regs_set): Call it.
1565 * global.c (mark_reg_store): Handle clobbers here by not calling
1567 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1568 is in fact a clobber.
1569 * integrate.c (process_reg_param): New function, broken out of
1570 expand_inline_function.
1571 (expand_inline_function): Call it.
1574 * i386.md (addsidi3_1): Delete unused variable temp.
1575 (addsidi3_2): Likewise.
1576 (clstrstrsi): Delete unused variable addr1.
1578 * rtl.h: Don't declare any functions also declared in recog.h.
1580 * Makefile.in (stupid.o): Update dependencies.
1581 (global.o): Likewise.
1583 * global.c: Include reload.h
1584 (reg_becomes_live): New function.
1585 (reg_dies): New function.
1586 (build_insn_chain): New function.
1587 (global_alloc): Call build_insn_chain before calling reload.
1589 * reload.h (struct needs): New structure definition.
1590 (struct insn_chain): Likewise.
1591 (reload_insn_chain): Declare variable.
1592 (new_insn_chain): Declare function.
1595 * reload1.c (reload_startobj): New variable.
1596 (reload_insn_chain): New variable.
1597 (unused_insn_chains): New variable.
1598 (new_insn_chain): New function.
1599 (init_reload): Initialize reload_startobj, not reload_firstobj.
1600 (reload): Initialize reload_firstobj.
1601 Before returning, free everything on the reload_obstack.
1603 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1604 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1605 current_chain): New variables.
1606 (reg_where_born): Delete variable.
1607 (REG_WHERE_BORN): New macro.
1608 (find_clobbered_regs): New function.
1609 (stupid_life_analysis): Don't allocate/free reg_where_born.
1610 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1611 reg_where_dead_chain.
1612 Use REG_WHERE_BORN instead of reg_where_born.
1613 While processing the insns, build the reload_insn_chain with
1614 information about register lifetimes.
1615 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1616 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1618 Compute and information about birth and death of pseudo registers in
1619 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1620 Delete code to set elements of reg_where_born.
1622 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1624 * tree.def (GOTO_EXPR): Modified documentation.
1625 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1628 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1630 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1631 loop_final_value, loop_comparison_code): No longer static.
1632 (unroll_loop): Delete loop_start_value update.
1633 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1634 loop_final_value, loop_comparison_code): Extern.
1635 (loop_start_value): Delete extern.
1636 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1637 loop_comparison_value, loop_comparison_code): Delete.
1638 (loop_optimize): Remove initialization for deleted variables.
1639 (strength_reduce): Delete analyze_loop_iterations call. Only call
1640 insert_bct if flag_branch_count_on_reg set.
1641 (analyze_loop_iterations): Delete.
1642 (insert_bct): Remove iteration count calculation. Move checks for
1643 viable BCT optimization to here. Obtain iteration count from
1644 loop_iterations and correct for unrolling. Check for enough
1645 iteration to be beneficial. Comment out runtime iteration count
1647 (insert_bct): Print iteration count in dump file. Remove
1648 loop_var_mode and use word_mode directly.
1650 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1651 * rs6000.c (rs6000_override_options): Use it.
1652 (optimization_options): Enable use of flag_branch_on_count_reg.
1653 * rs6000.md (define_function_unit): Describe 604e.
1655 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1657 * loop.c (move_movables): Corrected threshold calculation for
1658 moved_once registers.
1660 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1662 * loop.c (combine_givs_p): Fix test for identical givs.
1664 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1666 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1667 call abort if the function is already defined.
1669 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1671 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1672 truncation is not a no-op.
1674 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1676 * version.c: Bump for snapshot.
1678 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1680 * version.c: Bump for snapshot.
1682 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1684 * expmed.c (expand_divmod): Don't widen for computing remainder
1685 if we seem to have a divmod pattern for needed mode.
1687 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1689 * cpplib.c (macroexpand): Correct off-by-one error in handling
1692 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1694 * combine.c (expand_field_assignment): Don't do bitwise operations
1695 on MODE_FLOAT; pun to MODE_INT if possible.
1697 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1698 scott snyder <snyder@d0sgif.fnal.gov>
1700 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1701 linker. Recognize mangled names in quotes.
1703 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1705 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1706 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1707 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1708 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1710 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1712 * function.c (purge_addressof_1): If trying to take a sub-word
1713 integral piece of a floating point mode, put it on the stack.
1715 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1717 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1719 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1721 * PROJECTS: Remove template friends.
1723 * collect2.c (sort_ids): Remove unused variable.
1725 * tm.texi (MATH_LIBRARY): Document.
1726 (NEED_MATH_LIBRARY): Remove.
1728 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1729 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1731 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1733 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1734 last_end to 0x7fffffff.
1736 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1738 * function.c (purge_addressof_1): Do not perform endianness
1739 corrections on bitpos, who we call will do it for us.
1741 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1743 * h8300.c (WORD_REG_USED): Fix typo.
1744 (initial_offset): Use WORD_REG_USED.
1746 * h8300.c (handle_pragma): Fix typo.
1748 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1750 * caller-save.c (insert_save_restore): Break this function up
1751 into new functions insert_restore, insert_save and insert_one_insn.
1752 All callers changed.
1753 (insert_restore): New function, mostly broken out of
1754 insert_save_restore.
1755 (insert_save): Likewise.
1756 (insert_one_insn): Likewise.
1757 (restore_referenced_regs): New argument BLOCK. All callers changed.
1758 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1759 in this function, do it in insert_one_insn instead.
1761 * reload1.c (reload): Break out some more pieces into separate
1763 (dump_needs): New function, broken out of reload.
1764 (set_initial_elim_offsets): Likewise.
1765 (init_elim_table): Likewise.
1766 (update_eliminables): Likewise.
1768 * global.c (global_alloc): Delete code to manage the scratch_list.
1769 * local-alloc.c (qty_scratch_rtx): Delete.
1770 (scratch_block): Delete.
1771 (scratch_list): Delete.
1772 (scratch_list_length): Delete.
1773 (scratch_index): Delete.
1774 (alloc_qty_for_scratch): Delete.
1775 (local-alloc): Update initialization of max_qty.
1776 Delete code to manage the scratch list.
1777 Delete code to allocate/initialize qty_scratch_rtx.
1778 (block_alloc): Don't allocate quantities for scratches.
1779 Delete code to manage the scratch list.
1780 * regs.h (scratch_list): Delete declaration.
1781 (scratch_block): Delete declaration.
1782 (scratch_list_length): Delete declaration.
1783 * reload1.c (reload): Delete code to manage the scratch list.
1784 (spill_hard_reg): Likewise.
1785 (mark_scratch_live): Delete.
1787 * recog.c (alter_subreg): Delete declaration.
1789 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1791 * Makefile.in (cccp.o): Fix typo in last patch.
1793 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1795 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1796 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1798 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1800 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1801 NULL_RTX as an argument.
1803 * Makefile.in (unlibsubdir): Define.
1804 (DRIVER_DEFINES): Use unlibsubdir.
1805 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1806 (stmp-fixinc): Similarly.
1808 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1810 * regmove.c (regmove_optimize): Add variable old_max_uid.
1811 At the end of the function, update basic_block_end.
1813 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1815 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1816 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1819 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1821 * config/arm/arm.c: Improve interworking support.
1823 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1825 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1826 copied from reload_out[r] .
1828 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1830 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1831 with more than three size ranges.
1833 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1835 * rtl.c (mode_name): Add a null string at the end of the array.
1836 (mode_wider_mode): Change type to unsigned char.
1837 (mode_mask_array): New variable.
1838 (init_rtl): Update for mode_wider_mode type change.
1840 * rtl.h (mode_wider_mode): Change type to unsigned char.
1841 (mode_mask_array): Declare.
1842 (GET_MODE_MASK): Use mode_mask_array.
1844 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1846 * calls.c (expand_call) : Encapsulate code into
1847 copy_blkmode_from_reg.
1848 * expr.c (copy_blkmode_from_reg): New function.
1849 * expr.h (copy_blkmode_from_reg): New function.
1850 * integrate.c (function_cannot_inline_p): We can inline
1852 (expand_inline_function): Use copy_blkmode_from_reg
1853 if needed. Avoid creating BLKmode REGs.
1854 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1857 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1859 * config/v850/v850.c: Add function prototypes.
1860 Add support for v850 special data areas.
1862 * config/v850/v850.h: Add support for v850 special data areas.
1864 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1865 HANDLE_PRAGMA_PACK_PUSH_POP.
1866 (push_alignment): New function: Cache an alignment requested
1867 by a #pragma pack(push,<n>).
1868 (pop_alignment): New function: Pop an alignment from the
1870 (insert_pack_attributes): New function: Generate __packed__
1871 and __aligned__ attributes for new decls whilst a #pragma pack
1873 (add_weak): New function: Cache a #pragma weak directive.
1874 (handle_pragma_token): Document calling conventions. Add
1875 support for #pragma pack(push,<n>) and #pragma pack (pop).
1877 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1878 are defined enable HANDLE_PRAGMA_PACK.
1879 Move 'struct weak_syms' here (from varasm.c).
1880 Add pragma states for push and pop pragmas.
1882 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1885 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1886 HANDLE_GENERIC_PRAGMAS.
1888 * varasm.c: Move definition of 'struct weak_syms' into
1890 (handle_pragma_weak): Deleted.
1892 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1894 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1896 * c-decl.c (start_function): Add invocation of
1897 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1899 * tm.texi: Remove description of non-existant macro
1900 SET_DEFAULT_SECTION_NAME.
1902 (HANDLE_SYSV_PRAGMA): Document.
1903 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1905 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1907 * config.sub: Recognize i[34567]86-pc-udk as new target.
1908 * configure.in: Likewise.
1909 * config/i386/t-udk: New file.
1910 * config/i386/udk.h: New file.
1912 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1914 * reorg.c (check_annul_list_true_false): Remove unused variables.
1915 (steal_delay_list_from_target): Add missing "used_annul" variable.
1916 (try_merge_delay_insns): Close out half formed comment.
1918 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1920 * cpplib.c (macroexpand): If arg->raw_before or
1921 arg->raw_after, remove any no-reexpansion escape at the
1922 beginning of the pasted token. Correct handling of whitespace
1923 markers and no-reexpand markers at the end if arg->raw_after.
1925 * toplev.c (documented_lang_options): Recognize -include,
1926 -imacros, -iwithprefix, -iwithprefixbefore.
1927 * cpplib.c (cpp_start_read): Process -imacros and -include
1928 switches at the same time and in command-line order, after
1929 initializing the dependency-output code. Emit properly nested
1930 #line directives for them. Emit a #line for the main file
1931 before processing these switches, and don't do it again
1934 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1936 * function.c (purge_addressof_1): Use bitfield manipulation
1937 routines to handle mem mode < reg mode.
1939 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1941 * reorg.c (try_merge_delay_insns): Account for resources referenced
1942 in each instruction in INSN's delay list before trying to eliminate
1943 useless instructions. Similarly when looking at a trial insn's delay
1946 * reorg.c (check_annul_list_true_false): New function.
1947 (steal_delay_list_from_{target,fallthrough}): Call it and also
1948 refine tests for when we may annul if already filled a slot.
1949 (fill_slots_from_thread): Likewise.
1950 (delete_from_delay_slot): Return newly-created thread.
1951 (try_merge_delay_isns): Use its new return value.
1953 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1955 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1956 used to compute a giv or as some other non-counting use.
1958 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1960 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1961 * local-alloc.c (find_free_reg): Use it.
1962 * global.c (find_reg): Likewise.
1963 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1965 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1966 * caller-save.c (init_caller_save): Use it.
1967 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1969 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1971 * configure.in: Add --enable-cpplib option which uses cpplib
1972 for cpp, but doesn't link cpplib into cc1. Make help text
1973 capitalization consistent.
1974 * configure: Rebuilt.
1976 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1978 * function.c (gen_mem_addressof): If the address REG is
1979 REG_USERVAR_P make the new REG be so also.
1980 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1981 in an attempt to clarify slightly.
1983 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
1985 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
1986 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
1988 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
1990 * toplev.c: Fix last patch.
1992 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
1994 * loop.c (get_condition): Fix typo in May 9 change.
1996 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1998 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2000 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2002 * toplev.c (documented_lang_options): Spelling corrections.
2004 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2006 * configure.in: new flags --with-ld and --with-as, equivalent
2007 to setting LD and AS environment variables. Test whether
2008 specified arguments are GNU commands, and report them with
2009 checking messages. Use the specified AS for configure
2012 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2014 * gcc.c (find_a_file): when looking for `as' and `ld', return
2015 the DEFAULT program if it exists
2016 * collect2.c (main): use DEFAULT_LINKER if it exists
2018 * gcc.c (find_a_file): the test for existence of a full
2019 pathname was reversed
2021 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2023 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2024 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2026 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2028 * tree.h (TYPE_BINFO): Document.
2030 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2032 * i386-coff.h (dbxcoff.h): Added.
2034 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2036 * toplev.c: fix bad patch around flag_data_sections.
2038 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2040 * reload1.c (reload): Use reload_address_index_reg_class and
2041 reload_address_base_reg_class when setting
2042 caller_save_spill_class. (Patch generated by Jim Wilson:
2045 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2047 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2048 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2049 * expr.c (store_field): Add alias_set parameter. Set the
2050 MEM_ALIAS_SET accordingly, if the target is a MEM.
2051 (expand_assignment): Use it.
2052 (store_constructor_field): Pass 0.
2053 (expand_expr): Likewise.
2055 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2057 * flags.h: Add flag_data_sections.
2058 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2059 (compile_file): Error if flag_data_sections not supported.
2060 * varasm.c (assemble_variable): Handle flag_data_sections.
2061 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2062 * config/mips/elf.h: Likewise.
2063 * config/mips/elf64.h: Likewise.
2064 * invoke.texi: Describe -fdata-sections.
2066 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2068 * invoke.texi (-ffloat-store): Clarify that this option
2069 does not affect intermediate results -- only variables.
2071 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2073 * cpp.texi: Update for Fortran usage from Craig.
2075 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2077 * rs6000.c (function_arg_boundary): Revert accidental change on
2080 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2082 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2083 (output_mi_thunk): Declare.
2085 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2086 (output_function_profiler): Use r12 for temp, instead of r11 so
2087 that we preserve the static chain register.
2089 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2091 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2093 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2095 * sh.c (gen_shl_sext): Fix case 5.
2097 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2099 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2101 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2103 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2104 accessing variables until they are initialized via va_arg().
2106 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2108 * reload1.c (reload_combine): Initialize set before using.
2110 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2112 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2115 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2117 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2118 operand3 with mask before using it. Patch provided by Jim Wilson.
2120 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2122 * config/sparc/sparc.c (function_value): Perform the equivalent of
2123 PROMOTE_MODE for ARCH64.
2124 (eligible_for_epilogue_delay): Allow DImode operations in delay
2125 slot of a return for ARCH64.
2127 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2129 * sh.md (sqrtsf2): Fix mode of sqrt.
2131 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2133 * reload1.c (choose_reload_regs): Also try inheritance when
2134 reload_in is a stack slot of a pseudo, even if we already got a
2137 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2139 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2140 (reload_cse_regs): New function body: call reload_cse_regs_1,
2141 reload_combine, reload_cse_move2add.
2142 When doing expensive_optimizations, call reload_cse_regs_1 a
2143 second time after reload_cse_move2add.
2144 (reload_combine, reload_combine_note_store): New functions.
2145 (reload_combine_note_use): New function.
2146 (reload_cse_move2add, move2add_note_store): New functions.
2148 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2150 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2151 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2153 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2154 more than 3 such reloads.
2156 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2157 RELOAD_FOR_X_ADDR_ADDR reload.
2159 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2161 * expr.c (store_constructor): When initializing a field that is smaller
2162 than a word, at the start of a word, try to widen it to a full word.
2164 * cse.c (cse_insn): When we are about to change a register,
2165 remove any invalid references to it.
2167 (remove_invalid_subreg_refs): New function.
2168 (mention_regs): Special treatment for SUBREGs.
2169 (insert_regs): Don't strip SUBREG for call to mention_regs.
2170 Check if reg_tick needs to be bumped up before that call.
2171 (lookup_as_function): Try to match known word_mode constants when
2172 looking for a norrower constant.
2173 (canon_hash): Special treatment for SUBREGs.
2175 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2177 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2178 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2179 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2180 and offsets in actual stack trampoline code so they match the
2181 commentary and actually work.
2183 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2185 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2187 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2188 tmake_file. Set extra_parts to needed crt objects.
2189 * configure: Rebuilt.
2190 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2191 (TARGET_DEFAULT): Set if default is v9 or ultra.
2192 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2193 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2194 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2195 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2196 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2197 (TARGET_VERSION): Define.
2198 (MULTILIB_DEFAULT): Define.
2199 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2200 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2201 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2203 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2204 * config/sparc/sparc.c (sparc_override_options): If arch and
2205 pointer size disagree, emit diagnostic and fix it up. If
2206 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2207 V8PLUS in 64-bit mode.
2208 * config/sparc/t-linux64: New file.
2209 * config/sparc/t-sol2-64: New file.
2210 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2211 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2212 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2213 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2214 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2215 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2217 (STARTFILE_SPEC): Set approriately based upon those.
2218 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2219 disposition of DEFAULT_ARCH32_P.
2220 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2221 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2222 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2223 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2224 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2226 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2228 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2230 * rtl.h (init_virtual_regs): New function.
2231 * emit-rtl.c (init_virtual_regs): Define.
2232 (insn_emit): Use it.
2233 * integrate.c (save_for_inline_copying): Likewise.
2235 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2237 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2238 (enum reg_class): Add NONARG_LO_REGS support.
2239 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2240 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2241 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2242 completes. Re-enable HImode REG+OFFSET addresses.
2243 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2245 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2247 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2249 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2250 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2251 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2253 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2255 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2256 jumps as a single entity, taking into account the size of the
2259 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2261 * tree.def (SWITCH_EXPR): New tree node definition.
2263 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2265 * version.c: Bump for snapshot.
2267 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2269 * version.c: Bump for snapshot.
2271 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2273 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2276 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2278 * Revert this patch.
2279 * reload.c (find_reloads): Do not replace a pseudo with
2280 (MEM (reg_equiv_addr)) in the initializing insn for the
2283 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2285 * final.c (final_scan_insn): Disable tracking CC across branches.
2287 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2289 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2290 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2291 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2292 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2293 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2295 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2297 * toplev.c (rest_of_compilation): Skip compiling anything with
2298 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2300 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2302 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2303 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2304 use in_libcall_block.
2305 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2306 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2309 Mon Sep 21 14:02:23 1998
2311 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2312 typo in no-fancy-math-387 description.
2314 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2316 * version.c: Bump for snapshot.
2318 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2320 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2322 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2324 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2325 documented in install.texi.
2326 (TARGET_OPTIONS) Likewise.
2328 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2330 * version.c: Bump for snapshot.
2332 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2334 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2335 * cccp.c (main): Likewise.
2337 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2338 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2341 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2343 * Makefile.in (LIBS): Link in libiberty.a.
2344 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2346 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2348 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2349 it to update bb boundaries. Update caller.
2350 * function.c (reposition_prologue_and_epilogue_notes): Update
2351 bb boundaries wrt the moved note.
2353 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2355 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2357 * configure: Regenerate.
2359 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2361 * alpha.c (alpha_sr_alias_set): New variable.
2362 (override_options): Set it.
2363 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2364 (mode_mask_operand): Fix signed-unsigned comparision warning.
2365 (alpha_expand_block_move): Likewise.
2366 (print_operand): Likewise.
2367 (get_aligned_mem): Use change_address.
2368 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2369 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2370 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2371 (alpha_align_insns): Remade from old alphaev5_align_insns
2372 to handle multiple processors.
2373 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2374 * output.h (label_to_alignment): Prototype.
2376 * tree.c (new_alias_set): New function.
2377 * tree.h (new_alias_set): Declare it.
2378 * c-common.c (c_get_alias_set): Use it.
2380 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2382 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2383 to an ABS expr, convert an unsigned input to signed.
2385 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2387 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2389 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2391 * configure.in: Add support for c4x targets.
2392 * configure: Rebuilt.
2394 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2396 * combine.c (distribute_notes): If an insn is a cc0 user, only
2397 delete it if we can also delete the cc0 setter.
2399 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2401 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2402 (invert_truthvalue): Enable truthvalue inversion for
2403 floating-point operands if -ffast-math.
2405 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2407 * configure.in: Disable collect2 for nextstep. Instead use
2409 * configure: Rebuilt.
2410 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2411 (ENDFILE_SPEC): Define.
2412 (OBJECT_FORMAT_MACHO): Define.
2413 (EH_FRAME_SECTION_ASM_OP): Define.
2414 * crtstuff.c: Handle MACHO.
2416 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2418 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2420 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2422 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2423 (_fpadd_parts): Get sign right for 0.
2425 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2427 * ginclude/varargs.h: Add support for C4x target.
2428 * ginclude/stdargs.h: Likewise.
2430 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2432 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2433 (alpha_emit_set_long_const): Rewrite to be callable from reload
2435 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2436 * alpha.md (movdi): Likewise.
2438 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2440 * arm.c (add_constant): New parameter address_only, change caller.
2441 Set it non-zero if taking the address of an item in the pool.
2442 (arm_reorg): Handle cases where we need the address of an item in
2445 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2447 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2448 memory addresses that are not in standard canonical form.
2450 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2452 * README.C4X: New file with information about the c4x ports.
2453 * ginclude/va-c4x.h: New file for c4x varargs support.
2454 * config/c4x: New directory with c4x port files.
2456 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2458 * reload.c (find_reloads): Do not replace a pseudo with
2459 (MEM (reg_equiv_addr)) in the initializing insn for the
2462 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2464 * toplev.c (rest_of_compilation): Set bct_p on second call to
2466 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2468 (strength_reduce): Only call analyze_loop_iterations and
2469 insert_bct if bct_p set.
2470 (check_dbra_loop): Fix typo.
2471 (insert_bct): Use word_mode instead of SImode.
2472 (instrument_loop_bct): Likewise. Do not delete iteration count
2473 condition code generation insn. Initialize iteration count before
2475 * rtl.h (loop_optimize): Update prototype.
2477 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2478 not doubleword aligned.
2480 * rs6000.c (optimization_options): New function.
2481 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2482 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2483 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2484 first; cr1 can be used for FP record condition insns.
2486 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2488 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2491 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2494 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2496 (block_move_call): New function: Call a library routine to copy a
2498 (m32r_expand_block_move): New function: Expand a "movstrsi"
2499 pattern into a sequence of insns.
2500 (m32r_output_block_move): New function: Expand a
2501 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2502 (m32r_block_immediate_operand): New function: Return true if the
2503 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2505 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2507 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2509 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2511 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2513 * regmove.c (copy_src_to_dest): Check that modes match.
2515 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2517 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2519 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2521 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2522 narrower than FLOAT_REGS.
2524 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2526 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2528 * Makefile.in (old_gxx_include_dir): removed
2530 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2532 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2535 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2536 (sh_handle_pragma): Change function arguments to match new
2537 specification for HANDLE_PRAGMA.
2539 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2541 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2543 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2544 When generating output, initialize missing struct member to zero.
2546 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2548 * regmove.c (copy_src_to_dest): Don't copy if that requires
2549 (a) new register(s).
2551 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2553 * global.c (reg_allocno): Now static.
2554 * reload1.c (reg_allocno): Delete declaration.
2555 (order_regs_for_reload): Take no arguments. Don't treat regs
2556 allocated by global differently than those allocated by local-alloc.
2558 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2560 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2561 condition, fix format strings.
2562 (output_function_epilogue): Likewise.
2564 * m68k/m68k.c: Don't include <stdlib.h> directly.
2566 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2568 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2569 mem_first_set, mem_last_set; because 0 can be a CUID.
2570 (oprs_unchanged_p): Use new definition.
2571 (record_last_reg_set_info): Likewise.
2572 (record_last_mem_set_info): Likewise.
2573 (compute_hash_table): Likewise.
2575 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2577 * rs6000.c (output_epilogue): Handle Chill.
2579 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2580 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2582 * combine.c (make_extraction): If no mode is specified for
2583 an operand of insv, extv, or extzv, default it to word_mode.
2584 (simplify_comparison): Similarly.
2585 * expmed.c (store_bit_field): Similarly.
2586 (extract_bit_field): Similarly.
2587 * function.c (fixup_var_regs_1): Similarly.
2588 * recog.c (validate_replace_rtx_1): Similarly.
2589 * mips.md (extv, extzv, insv expanders): Default modes for most
2590 operands. Handle TARGET_64BIT.
2591 (movdi_uld, movdi_usd): New patterns.
2593 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2594 equivalent memory location unless we have been provided a scratch
2595 register. Similarly do not call find_replacement unless a
2596 scratch register has been provided.
2598 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2600 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2603 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2605 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2606 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2607 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2608 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2609 * c-decl.c (init_decl_processing): Update accordingly.
2610 * expr.c (expand_builtin): Likewise.
2612 * rtl.h (global_rtl): Add cfa entry.
2613 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2614 (LAST_VIRTUAL_REGISTER): Update.
2615 * emit-rtl.c (global_rtl): Add cfa entry.
2616 (init_emit): Initialize it.
2617 * function.c (cfa_offset): New.
2618 (instantiate_virtual_regs): Initialize it.
2619 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2620 (expand_function_end): Call expand_eh_return.
2621 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2623 * except.c (current_function_eh_stub_label): Kill.
2624 (current_function_eh_old_stub_label): Likwise; update all references.
2625 (expand_builtin_set_return_addr_reg): Kill.
2626 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2627 (expand_builtin_set_eh_regs): Kill.
2628 (eh_regs): Produce a third reg for the actual handler address.
2629 (eh_return_context, eh_return_stack_adjust): New.
2630 (eh_return_handler, eh_return_stub_label): New.
2631 (init_eh_for_function): Initialize them.
2632 (expand_builtin_eh_return, expand_eh_return): New.
2633 * except.h: Update prototypes.
2634 * flow.c (find_basic_blocks_1): Update references to the stub label.
2635 * function.h (struct function): Kill stub label elements.
2637 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2638 register number is one that would be in the previous window.
2639 Provide a dummy definition for non-windowed targets.
2640 (get_reg_addr): New function.
2641 (get_reg, put_reg, copy_reg): Use it.
2642 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2643 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2645 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2646 (alpha_init_expanders): Initialize it.
2647 (alpha_expand_epilogue): Use it.
2648 * alpha.h: Declare it.
2649 * alpha.md (eh_epilogue): New.
2651 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2652 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2654 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2656 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2659 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2661 * except.h (struct eh_entry): Add false_label field.
2662 (end_catch_handler): Add prototype.
2663 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2664 (start_catch_handler): When using old style exceptions, issue
2665 runtime typematch code before continuing with the handler.
2666 (end_catch_handler): New function, generates label after handler
2667 if needed by older style exceptions.
2668 (expand_start_all_catch): No need to check for new style exceptions.
2669 (output_exception_table_entry): Only output the first handler label
2670 for old style exceptions.
2671 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2672 mechanism into one function, if a runtime matcher is provided.
2674 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2676 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2678 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2680 * integrate.c (copy_decl_list): Fix typo.
2682 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2684 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2687 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2689 * version.c: Bump for snapshot.
2691 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2693 * version.c: Bump for snapshot.
2695 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2697 * version.c: Bump for snapshot.
2699 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2701 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2703 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2705 * configure.in: remove usage of `!' to negate the result of a
2706 command; some common shells do not support it
2708 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2710 * configure.in: in sparc9-sol2 config, use 'if test' not
2712 * configure: Rebuilt.
2714 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2716 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2717 (CPP_CPU_DEFAULT_SPEC): Likewise.
2718 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2719 for arch64 libfuncs.
2721 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2724 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2726 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2728 * collect2.c: Don't declare `sys_siglist' here.
2729 (my_strsignal): Prototype and define new function. Use it in
2730 place of `sys_siglist' hacks.
2732 * mips_tfile.c: Likewise.
2734 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2735 (GCC_NEED_DECLARATIONS): Likewise.
2737 * system.h (strsignal): Prototype it, if necessary.
2738 (sys_siglist): Declare it, if necessary.
2740 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2742 * loop.c (move_movables): While removing insn sequences, preserve
2743 the next pointer of the most recently deleted insn when we skip
2746 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2748 * objc/config-lang.in: Do not output the name of the selected
2749 thread file when building the front-end. The Makefile for the
2750 runtime library will do this.
2752 * objc/Make-lang.in: Do not build the runtime library or install
2753 the Objective C header files. The Makefile for the runtime
2754 library will do this.
2756 * objc/Makefile.in (all.indirect): Only build the front-end.
2757 (compiler): Rename to `frontend'.
2758 (obj-runtime): Remove target.
2759 (copy-headers): Likewise.
2760 (clean): No need to remove `libobjc.a' any longer.
2762 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2764 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2765 supported with -mcpu=xxx.
2767 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2769 * flow.c (mark_set_1): Recognize multi-register structure return
2770 values in CALL insns.
2771 (mark_used_regs): Likewise.
2772 (count_reg_sets_1): Likewise.
2773 (count_reg_references): Likewise.
2774 * rtlanal.c (note_stores): Likewise.
2775 (reg_overlap_mentioned_p): Likewise.
2776 * haifa-sched.c (check_live_1): Likewise.
2777 (update_live_1): Likewise.
2778 (sched_analyze_1): Likewise.
2779 (sched_note_set): Likewise.
2780 (birthing_insn_p): Likewise.
2781 (attach_deaths): Likewise.
2783 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2786 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2788 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2790 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2792 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2794 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2796 * configure.in: Add check for GAS subsection -1 support.
2797 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2798 * configure config.in: Rebuilt.
2799 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2800 SImode is subsection -1 works, else use DImode.
2801 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2802 subsection -1 works.
2803 * config/sparc/sparc.c (sparc_output_addr_vec,
2804 sparc_output_addr_diff_vec): Use them if defined.
2806 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2808 * tree.h (DECL_ORIGIN): New macro.
2809 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2810 (copy_decl_list): Use it.
2811 (integrate_parm_decls): Likewise.
2812 (integrate_decl_tree): Likewise.
2813 * dwarf2out.c (decl_ultimate_origin): Simplify.
2814 * dwarfout.c (decl_ultimate_origin): Likewise.
2815 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2816 (pushdecl): Likewise.
2818 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2820 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2822 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2824 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2826 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2828 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2829 empty or has a single entry.
2831 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2832 before calling reg_to_stack.
2834 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2836 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2837 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2839 * c-tree.h (warn_long_long): Declare it.
2841 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2843 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2844 initialized float-int union if the value is a NaN.
2846 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2848 * c-lex.c (real_yylex): Don't warn about long long constants if
2849 we're allowing long long
2851 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2853 * except.h (current_function_eh_stub_label): Declare.
2854 (current_function_eh_old_stub_label): Declare.
2855 * function.h (struct function): New members eh_stub_label and
2857 * except.c (current_function_eh_stub_label): New variable.
2858 (current_function_eh_old_stub_label): New variable.
2859 (init_eh_for_function): Clear them.
2860 (save_eh_status): Save them.
2861 (restore_eh_status): Restore them.
2862 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2863 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2864 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2865 make an edge from the block that contains it to the block starting
2866 with the label if this label is one of the eh stub labels.
2867 If eh stub labels exist, show they are reachable from the last block
2870 * reload1.c (reload): Break out several subroutines and make some
2872 (calculate_needs_all_insns): New function, broken out of reload.
2873 (calculate_needs): Likewise.
2874 (find_reload_regs): Likewise.
2875 (find_group): Likewise.
2876 (find_tworeg_group): Likewise.
2877 (something_needs_reloads): New global variable, formerly in reload.
2878 (something_needs_elimination): Likewise.
2879 (caller_save_spill_class): Likewise.
2880 (caller_save_group_size): Likewise.
2881 (max_needs): Likewise.
2882 (group_size): Likewise.
2883 (max_groups): Likewise.
2884 (max_nongroups): Likewise.
2885 (group_mode): Likewise.
2886 (max_needs_insn): Likewise.
2887 (max_groups_insn): Likewise.
2888 (max_nongroups_insn): Likewise.
2889 (failure): Likewise.
2891 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2893 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2895 * loop.c (load_mems): Copy rtx for output mem.
2897 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2899 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2900 mips1 or mips2 either.
2902 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2904 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2906 (pa_adjust_insn_length): Update to work with new marking scheme
2907 for jumps inside switch tables.
2908 * pa.md (switch_jump): Remove pattern.
2909 (jump): Handle jumps inside jump tables.
2911 * Makefile.in (profile.o): Depend on insn-config.h
2913 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2915 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2917 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2919 Add preliminary native sparcv9 Solaris support.
2920 * configure.in: Recognize sparv9-*-solaris2*
2921 * configure: rebuilt
2922 * config.sub: Recognize sparcv9 just like sparc64.
2923 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2924 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2925 32-bit and 64-bit Solaris systems.
2926 * config/sparc/t-sol2: Assemble those with cpp.
2927 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2928 (*TF*_LIBCALL): If ARCH64 use V9 names.
2929 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2931 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2933 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2934 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2936 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2938 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2939 to Pmode if CASE_VECTOR_MODE is something else.
2941 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2943 * prefix.c (update_path): Correctly handle cases where PATH is
2944 a substring of the builtin prefix, but specifies a different
2947 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2949 * expr.c: Corrected comment about what MOVE_RATIO does.
2950 * config/alpha/alpha.h: Ditto.
2951 * config/1750a/1750a.h: Ditto.
2952 * config/clipper/clipper.h: Ditto.
2953 * config/i386/i386.h: Ditto.
2955 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2957 * configure.in (m68k-next-nextstep3*): Use collect2.
2958 Similarly for x86 NeXT configurations.
2959 * configure: Rebuilt.
2961 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2963 * configure.in: Don't assume srcdir is .../gcc
2964 * configure: Rebuilt.
2966 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2968 * global.c: Update comments.
2969 (global_alloc): Assign allocation-numbers
2970 even for registers allocated by local_alloc in case
2971 they are later spilled and retry_global_alloc is called.
2972 (mark_reg_store, mark_reg_clobber,
2973 mark_reg_conflicts, mark_reg_death): Always record a
2974 conflict with a pseudo register even if it has been
2975 assigned to a hard register.
2976 (dump_conflicts): Don't list pseudo registers already assigned to
2977 a hard register as needing to be allocated, but do list their
2979 * local-alloc.c: Update comment.
2981 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2983 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2984 * configure: Rebuilt.
2986 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
2988 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
2990 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
2991 for all targets that set -msoft-float.
2993 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2995 * toplev.c (print_switch_values): Make static to match prototype.
2997 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
2999 * configure.in: If we are unable to find the "gnatbind" program,
3000 then do not configure the ada subdir.
3001 * configure: Rebuilt.
3003 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3005 * version.c: Bump for snapshot.
3007 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3009 * version.c: Bump for snapshot.
3011 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3013 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3014 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3016 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3018 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3020 * genextract.c: Have insn-extract.c include toplev.h.
3022 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3024 * toplev.c: Include expr.h.
3025 (really_sorry, fancy_abort): Remove prototypes.
3026 (set_target_switch): Add argument in prototype.
3027 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3028 (v_really_sorry): Likewise.
3029 (print_version, print_single_switch, print_switch_values): Make
3030 static and add prototype arguments.
3031 (decl_printable_name): Add prototype arguments.
3032 (lang_expand_expr_t): New typedef.
3033 (lang_expand_expr): Declare as a lang_expand_expr_t.
3034 (incomplete_decl_finalize_hook): Add prototype argument.
3035 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3036 (botch): Likewise for variable `s'.
3037 (rest_of_type_compilation): Mark variables `type' and `toplev'
3038 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3039 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3040 (display_help): Make variable `i' an `unsigned long'.
3041 (main): Remove unused parameter `envp'.
3042 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3043 Cast -1 when comparing it with a `size_t'.
3045 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3046 prototype with ATTRIBUTE_NORETURN.
3047 (fatal_insn_not_found, fatal_insn, really_sorry,
3048 push_float_handler, pop_float_handler): Add prototypes.
3049 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3050 (do_abort, botch): Add prototypes.
3052 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3054 * final.c (final): If a label is reached only from a single jump,
3055 call NOTICE_UPDATE_CC on the jump and its predecessor before
3056 emitting the insn after the label.
3058 * i386.h: Add AMD K6 support.
3059 Change TARGET_* macros to use table lookup.
3060 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3061 (ADJUST_COST): Change definition to call function in i386.c.
3062 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3063 * i386.c: Add AMD K6 support.
3064 Add constants for feature tests used by TARGET_* macros.
3065 (split_di): If before reload, call gen_lowpart and gen_highpart.
3066 (x86_adjust_cost): New function.
3067 (put_jump_code): New function.
3068 (print_operand): New codes 'D' and 'd'.
3069 * i386.md: New insn types. New insn attribute "memory".
3070 Redefine scheduling parameters to use new types and add AMD K6
3071 support. Explicitly set type of most insns.
3072 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3073 Pro and K6 prefer movl $1,reg to incl reg.
3074 (adddi3, subdi3): Set cc_status.
3075 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3076 to int; x86 can't have more than 2^31 DImode shifts per file.
3077 (setcc): Combine all setcc patterns. Allow writing memory.
3078 Combine all jump patterns using match_operator.
3079 (*bzero): Name pattern. Emit mutliple stos instructions when that
3080 is faster than rep stos.
3081 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3084 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3086 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3089 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3091 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3092 not whatever we're generating now.
3094 * alpha.c (set_frame_related_p, FRP): New.
3095 (alpha_expand_prologue): Mark frame related insns.
3096 (alpha_expand_epilogue): Likewise, but with a null FRP.
3097 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3098 * alpha.md (exception_receiver): New.
3099 * alpha/crtbegin.asm (.eh_frame): New beginning.
3100 (__do_frame_setup, __do_frame_takedown): New.
3101 * alpha/crtend.asm (.eh_frame): New ending.
3102 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3103 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3104 (ASM_FILE_START): Don't emit .file for dwarf2.
3106 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3107 * rtl.c (reg_note_name): Likewise.
3108 * rtl.texi (REG_NOTES): Likewise.
3109 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3112 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3114 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3115 * i386.md (movsf, movdf, movxf): Validate memory address returned
3116 from force_const_mem. Kill useless REG_EQUAL setting code.
3118 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3120 * m68k.md (zero_extendsidi2): Fix typo.
3122 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3124 * configure.in: Removed references to the removed file
3125 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3126 * arm*-*-netbsd* and ns32k-*-netbsd*.
3127 * config/i386/xm-netbsd.h: Removed unnecessary file.
3128 * config/m68k/xm-netbsd.h: Likewise.
3129 * config/sparc/xm-netbsd.h: Likewise.
3130 * config/mips/xm-netbsd.h: Likewise.
3132 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3134 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3135 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3137 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3138 for exact section attributions.
3140 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3142 * i386/crtdll.h (CPP_PREDEFINES): Define.
3144 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3146 * m68k.md (5200 movqi): Do not allow byte sized memory references
3148 * m68k.c (output_move_qimode): Do not use byte sized operations on
3151 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3152 explicit rules for building. Similarly for alloca, vfprintf,
3153 choose-temp and mkstemp, getopt, getopt1, and obstack.
3154 (INCLUDES): Add $(srcdir)/../include.
3155 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3156 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3158 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3160 * gcc.c (do_spec_1): [case 'o'] Account for
3161 lang_specific_extra_outfiles.
3162 (main): Correctly clear all slots in outfiles for
3163 lang_specific_extra_outfiles. Set input_file_number before
3164 calling lang_specific_pre_link.
3166 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3168 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3170 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3172 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3174 (sparc_output_deferred_case_vectors): If no work to do, return.
3175 Fix thinko in Sept 1 change.
3177 1998-09-03 SL Baur <steve@altair.xemacs.org>
3179 * Makefile.in: add semicolon in BISON definition for portability.
3181 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3183 * config/nextstep.c (handle_pragma): Correct name of third
3186 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3188 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3189 * config/m32r/m32r.h: Make register 17 be fixed.
3190 * config/m32r/m32r.c: Use SImode for cc operations.
3192 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3194 * invoke.texi (Warning Options): Add -Wnon-template-friend
3197 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3199 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3201 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3203 * rs6000.md (movsf): Disable explicit secondary-reload-like
3204 functionality if TARGET_POWERPC64.
3205 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3208 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3210 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3211 and term.h from fixinc.wrap.
3213 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3215 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3216 safe to include both string.h and strings.h together.
3217 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3218 which headers to search for function declarations. Continue to
3219 prefer string.h over strings.h when both are not acceptable.
3221 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3223 * configure.in: Call GCC_HEADER_STRING.
3225 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3226 to include. Continue to prefer string.h over strings.h when both
3229 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3231 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3232 not assume top 32-bits of symbolic addresses are zero if
3235 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3237 * ginclude/va-alpha.h: Protect entire second portion of the
3238 file against double inclusion.
3240 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3242 Added support for the Boehm's garbage collector.
3243 * configure.in: Handle --enable-objc-gc.
3244 * configure: Rebuilt.
3245 * Makefile.in (CHECK_TARGETS): Add check-objc.
3246 (check-objc): New rule.
3247 * objc/Make-lang.in: Build a different Objective-C library that
3248 runs with the Boehm's collector.
3249 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3250 * objc/encoding.c: Correctly compute the size of compound types in
3251 the presence of bitfields. Skip the variable name of the type if
3252 any. Added support for long long.
3253 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3254 (_F_GCINVISIBLE): New mask.
3255 * objc/gc.c: New file. Compute the type memory mask associated with
3256 a class based on the runtime information.
3257 * objc/misc.c: Added the hooks that use the Boehm's collector
3258 allocation functions.
3259 * objc/objc-act.c (build_class_template): Generate a new class
3260 member (gc_object_type) to hold the class' type memory mask.
3261 (build_shared_structure_initializer): Initialize the new member to
3263 (encode_complete_bitfield): New function. Generate the new
3265 (encode_field_decl): Generate the new encoding only for the GNU
3267 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3269 (class_get_gc_object_type): New function to mark a pointer instance
3270 variable as a weak pointer.
3271 * objc/objc-features.texi: New file.
3272 * objc/objc.h (gc_object_type): New class member.
3273 * objc/objects.c (class_create_instance): Create a typed memory
3274 object when compiled with Boehm's collector support.
3275 * objc/sendmsg.c (__objc_init_install_dtable): Call
3276 __objc_send_initialize instead of setting the initialize flag.
3277 (__objc_send_initialize): Call __objc_generate_gc_type_description
3278 to generate the class type memory mask. Rewrite the code that
3279 sends the +initialize so that it is called only once (bug report
3280 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3281 * testsuite/objc: New testsuite for Objective-C type encoding.
3282 * testsuite/lib/objc-torture.exp: New file.
3283 * testsuite/lib/objc.exp: New file.
3285 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3287 * jump.c (jump_optimize): In if/then/else transformations, add
3288 another call to modified_between_p for the jump insn.
3290 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3292 * fix-header.c (symlink): Treat like readlink.
3294 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3296 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3299 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3301 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3302 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3303 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3305 * config/nextstep.c (handle_pragma): Take three arguments, as per
3306 the new HANDLE_PRAGMA macro specification.
3307 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3308 per the new HANDLE_PRAGMA macro specification.
3309 * config/i960/i960.c (process_pragma): Take three arguments, as
3310 per the new HANDLE_PRAGMA macro specification.
3312 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3314 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3315 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3316 if unknown pragmas are encountered.
3317 (handle_sysv_pragma): Interpret return code from
3318 handle_pragma_token (). Return success/failure indication rather
3319 than next unprocessed character.
3320 (pragma_getc): New function: retrieves characters from the
3321 input stream. Defined when HANDLE_PRAGMA is enabled.
3322 (pragma_ungetc): New function: replaces characters back into the
3323 input stream. Defined when HANDLE_PRAGMA is enabled.
3325 * c-pragma.c (handle_pragma_token): Return success/failure status
3328 * c-pragma.h: Change prototype of handle_pragma_token().
3330 * varasm.c: (handle_pragma_weak): Only create this function if
3331 HANDLE_PRAGMA_WEAK is defined.
3333 * c-common,c (decl_attributes): If defined call the expression
3334 contained within the INSERT_ATTRIBUTES macro before adding
3335 attributes to a decl.
3337 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3338 HANDLE_PRAGMA, which takes three arguments.
3339 (INSERT_ATTRIBUTES): Document this new macro.
3341 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3342 new INSERT_ATTRIBUTES macro.
3344 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3346 * config/sparc/sparc.md (movdf): Only generate special RTL for
3347 LABEL_REFs when PIC.
3348 (move_label_di): Remove
3349 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3350 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3351 references when PIC.
3352 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3353 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3354 output an .xword for all 64-bit cases.
3356 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3358 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3359 alignment, use FUNCTION_BOUNDARY instead.
3360 (sparc_output_deferred_case_vectors): Likewise.
3362 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3364 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3365 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3367 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3369 * alpha/va_list.h: New file.
3370 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3372 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3374 * NEWS: Add SCO Openserver and Unixware 7 notes.
3378 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3380 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3381 (record_constant_1): Handle RANGE_EXPR.
3383 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3385 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3386 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3387 and NOTE_INSN_RANGE_END specially.
3388 (reemit_notes): Likewise.
3390 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3392 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3393 (ultrasparc_sched_init): Remove unneeded &.
3395 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3397 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3398 for m68020-60, to prevent the use of fintrz.
3400 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3402 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3404 * Makefile.in: Likewise.
3405 * configure: Regenerated.
3407 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3409 * configure.in (gxx_include_dir): Changed to
3410 '${prefix}/include/g++'-${libstdcxx_interface}.
3411 * configure: Rebuilt.
3413 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3415 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3417 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3418 *sequences* *below* which scalar moves will be used.
3420 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3422 * collect2.c (mktemp): Delete unused declaration.
3424 * config/xm-netbsd.h: Remove unnecessary file.
3425 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3426 file anymore, it is not needed.
3428 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3430 * convert.c (convert_to_integer): Issue an error on conversions to
3433 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3435 * Makefile.in: Add lang_tree_files and gencheck.h.
3436 * configure.in: Generate them.
3437 * gencheck.c: Include gencheck.h.
3439 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3441 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3442 movdi_lo_sum_pic and movdi_high_pic and make visible.
3443 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3444 emit these when Pmode is not SImode.
3445 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3447 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3449 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3450 .linkonce directive after the first time.
3452 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3454 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3455 the clobbered operand overlaps with an input.
3456 (bne0_di): Similarly.
3458 * Makefile.in (INSTALL): Remove "--no-header" argument.
3460 * NEWS: Various updates.
3462 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3464 * config/sparc/sparc.c (arith_operand, const64_operand,
3465 const64_high_operand, arith_double_4096_operand): Mark mode as
3467 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3469 (sparc_emit_set_const64): Remove unused variable i.
3470 (sparc_splitdi_legitimate): Likewise for addr_part.
3471 (ultra_code_from_mask): Likewise for mask.
3472 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3473 reverse return values so it matches usage and comments.
3474 (ultra_flush_pipeline): Likewise.
3475 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3476 this_type, and allow loads and stores of differing FP modes as
3477 they do not create a conflict.
3478 (ultra_find_type): Initialize fpmode to SFmode, fix
3479 parenthesization thinkos in large conditional.
3480 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3481 Init free_slot_mask after ultra_cur_hist is reset, not before.
3482 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3483 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3484 use ultra_flush_pipeline instead, then re-init group pointer.
3485 Fix statement with no effect. If no progress made in, and no
3486 instructions scheduled at all, advance to new pipeline cycle else
3487 we get into an endless loop.
3488 (ultrasparc_adjust_cost): Remove previous arg.
3489 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3491 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3493 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3494 code. Use reg_overlap_mentioned_p to detect when source and
3495 destination overlap.
3496 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3498 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3500 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3501 COMPARISON_VAL, into invariant_p.
3503 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3505 * regmove.c (regclass_compatible_p): New function.
3506 (regmove_optimize): Use it.
3508 Use NREGS parameter insted of calling max_reg_num.
3510 (fixup_match_1): Don't use code = MINUS when later tieing with
3511 a hard register is likely.
3513 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3515 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3516 COMPARISON_VAL was normalized.
3518 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3520 * loop.c (check_dbra_loop): The loop ending comparison value
3521 must be an invariant or we can not reverse the loop.
3523 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3524 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3526 (load_mems_and_recount_loop_regs_set): Likewise.
3528 * i386.c (print_operand): Remove obsolete 'c' docs.
3530 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3532 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3533 * frame.c (init_object_mutex): New function.
3534 (init_object_mutex_once): Likewise.
3535 (find_fde): Call it.
3536 (__register_frame_info): Likewise.
3537 (__register_frame_info_table): Likewise.
3538 (__deregister_frame_info): Likewise.
3540 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3542 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3544 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3546 * loop.c (check_dbra_loop): Enable code for reversal
3547 of some loops without a known constant loop end.
3549 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3551 * haifa-sched.c (last_clock_var): New.
3552 (schedule_block): Initialize it.
3553 (schedule_insn): Use it to fill insn modes with issue information.
3555 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3556 Tag trapb and next insn with TImode.
3557 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3558 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3559 Invoke alphaev5_align_insns as appropriate.
3560 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3561 (MD_SCHED_VARIABLE_ISSUE): New.
3562 * alpha.md (attr type): Add multi.
3563 (define_asm_attributes): New.
3564 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3565 (arg_home): Likewise.
3566 (fnop, unop, realign): New.
3568 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3570 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3571 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3573 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3574 (rs6000-ibm-aix4.[12]*): Likewise.
3575 * configure: Regnerate.
3577 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3579 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3580 already contains the return address.
3582 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3584 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3585 word sized hunks when loading unaligned args into registers.
3587 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3588 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3590 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3592 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3594 * loop.c (check_dbra_loop): Add some code that would allow reversal
3595 of some loops without a known constant loop end if it were enabled.
3597 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3599 * mips.md (lshrsi3_internal2+2): Fix type-o.
3601 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3603 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3604 correctly with regards to stdio.h.
3606 * calls.c: Remove stdarg.h/varargs.h.
3609 * combine.c: Likewise.
3610 * cpperror.c: Likewise.
3611 * cpplib.c: Likewise.
3612 * cpplib.h: Likewise.
3613 * doprint.c: Likewise.
3614 * emit-rtl.c: Likewise.
3615 * final.c: Likewise.
3616 * fix-header.c: Likewise.
3618 * genattr.c: Likewise.
3619 * genattrtab.c: Likewise.
3620 * gencodes.c: Likewise.
3621 * genconfig.c: Likewise.
3622 * genemit.c: Likewise.
3623 * genextract.c: Likewise.
3624 * genflags.c: Likewise.
3625 * genopinit.c: Likewise.
3626 * genoutput.c: Likewise.
3627 * genpeep.c: Likewise.
3628 * genrecog.c: Likewise.
3629 * mips-tfile.c: Likewise.
3630 * prefix.c: Likewise.
3631 * protoize.c: Likewise.
3632 * regmove.c: Likewise.
3633 * toplev.c: Likewise.
3636 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3638 * config/sparc/sparc.c (sparc_override_options): If not
3639 TARGET_FPU, turn off TARGET_VIS.
3640 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3641 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3642 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3643 (movdi_insn_sp64): Add VIS fzero alternative.
3644 (clear_sf, clear_df): New VIS patterns.
3645 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3647 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3649 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3651 * loop.c (n_times_set, n_times_used, may_not_optimize,
3652 reg_single_usage): Convert to varrays. All uses changed.
3653 (insert_loop_mem): Return a value.
3654 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3655 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3658 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3661 * configure.in: Do not set thread_file to "irix" since no such
3664 * sparc.md (float abs/neg splits): Check reload_completed before
3665 calling alter_subreg.
3667 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3669 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3671 * config/sparc/sparc.h: Declare it.
3672 * config/sparc/sparc.md (float abs/neg splits): Use it.
3673 (all other splits): Handle SUBREGs properly where necessary.
3674 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3676 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3678 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3679 an insn on the unfilled_slots_list that has no delay slots.
3680 (fill_eager_delay_slots): Similarly.
3682 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3684 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3685 as an ordinary operand.
3687 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3689 * tree.c (valid_machine_attribute): Don't apply attributes to both
3692 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3694 * reload.c (operands_match_p): Handle rtvecs.
3696 * i386.c (legitimate_pic_address_disp_p): New.
3697 (legitimate_address_p): Use it.
3698 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3699 Handle constant pool symbols just like statics.
3700 (emit_pic_move): Use Pmode not SImode for clarity.
3701 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3702 [UNSPEC]: New, handling what we killed above.
3703 [PLUS]: Detect and abort on invalid symbol arithmetic.
3704 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3706 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3708 * alias.c: Include output.h.
3709 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3710 different if we're in a varargs function.
3711 * Makefile.in (alias.o): Depend on output.h
3713 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3715 * sh.h (GIV_SORT_CRITERION): Delete.
3717 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3719 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3720 * stupid.c (stupid_life_analysis): Ditto.
3721 * reload1.c (reload): Ditto.
3723 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3725 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3726 arith_double_4096_operand, arith_double_add_operand): New
3728 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3729 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3730 them to transform add/sub 4096 into add/sub -4096.
3732 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3734 * loop.c (scan_loop): Allocate some slop to handle pseudos
3735 generated by move_movables.
3736 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3739 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3741 * tree.def (DECL_RESULT): Correct documentation.
3743 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3745 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3746 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3747 conflicts will all RELOAD_FOR_OUTPUT reloads.
3749 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3750 loads the function result, substitute with a USE.
3752 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3754 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3755 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3756 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3757 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3758 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3759 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3761 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3762 'o' to 'm' for GPR variant constraints.
3764 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3766 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3768 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3770 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3771 when the source and destination overlap.
3773 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3774 clash with global type.
3776 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3778 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3780 * c-common.c (combine_strings): Also set TREE_READONLY.
3781 Change warn_write_strings to flag_const_strings.
3782 * c-decl.c, c-tree.h: Likewise.
3784 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3786 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3787 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3788 sequence, use SET/IOR instead so CSE can see it.
3789 * config/sparc/sparc.md (movhi_const64_special,
3790 movsi_const64_special): New patterns necessitated by that change.
3791 (movhi_high): Remove.
3792 (movhi_lo_sum): Change to match an IOR.
3793 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3794 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3795 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3796 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3797 registers are involved.
3798 (snesi_zero_extend split): Remove reload_completed test.
3799 (unnamed plus and minus zero_extend sidi splits): Add it.
3801 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3803 * extend.texi: Remove description of extension to explicit
3804 instantiation that is now endorsed by standard C++.
3806 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3808 * config/arc/arc.c (arc_initialize_pic): Remove.
3809 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3810 nothing on any platform and is invoked by no-one, it does not even
3811 appear in the documentation.
3812 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3813 * config/sparc/sparc.c (initialize_pic): Likewise.
3814 (find_addr_reg): Remove this as well, no longer referenced after
3817 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3819 * recog.c (validate_replace_rtx_group): New function.
3820 * recog.h (validate_replace_rtx_group): Declare it.
3821 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3822 the entire group of substitutions.
3824 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3826 * loop.c (load_mems): Fix initializers.
3828 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3830 * config/sparc/sparc.md (TFmode splits): Handle destination
3831 registers being referenced in the address correctly.
3833 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3834 TREE_UNSIGNED, when bitsize of type's mode is larger than
3835 HOST_BITS_PER_WIDE_INT.
3837 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3839 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3840 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3841 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3843 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3846 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3848 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3849 * h8300.h (TINY_DATA_NAME_P): Likewise.
3850 (STRIP_NAME_ENCODING): Handle '&'.
3852 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3853 register (it could be accessed via an outer SUBREG).
3854 (REG_OK_FOR_BASE_P): Likewwise.
3855 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3857 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3860 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3862 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3864 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3865 must be offsettable so the splits can be made.
3867 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3869 * config/i386/winnt.c: Include system.h, not stdio.h to get
3870 sys/param.h pulled in before rtl.h in case the system defines MIN
3873 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3875 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3877 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3879 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3881 * cpplib.c (cpp_define): Handle macros with parameters.
3883 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3885 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3886 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3887 and DImode 64-bit. Use llong for minimal-toc SFmode and
3888 SYMBOL_REF / LABEL_REF 64-bit.
3889 (output_function_profiler): Use llong for profiler label and ld to
3890 load 64-bit label address.
3892 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3894 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3897 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3899 * version.c: Bump for snapshot.
3901 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3903 * version.c: Bump for snapshot.
3905 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3907 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3909 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3911 * tm.texi (Misc): Fix typo "teh".
3913 * tm.texi (PIC): Fix typo "PPIC".
3915 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3916 effect when -O2 and higher.
3917 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3919 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3921 * regclass.c: Changed register set documentation to be consistent
3924 * final.c (final_start_function) Removed redundant test for
3927 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3929 * rtl.h (rtx_function): New type.
3930 (for_each_rtx): New function.
3931 * rtlanal.c (for_each_rtx): Define it.
3933 * recog.c (change_t): New type.
3934 (change_objects, change_old_codes, change_locs, change_olds):
3936 (changes): New variable.
3937 (validate_change): Dynamically allocate room for more changes, if
3938 necessary. Uses changes array instead of change_objects, etc.
3939 (apply_change_group): Use changes array instead of
3940 change_objects, etc.
3942 * loop.c (loop_mem_info): New type.
3943 (loop_mems): New variable.
3944 (loop_mems_idx): Likewise.
3945 (looop_mems_allocated): Likewise.
3946 (scan_loop): Remove nregs parameter.
3947 (next_insn_in_loop): New function.
3948 (load_mems_and_recount_loop_regs_set): Likewise.
3949 (load_mems): Likewise.
3950 (insert_loop_mem): Likewise.
3951 (replace_loop_mem): Likewise.
3952 (replace_label): Likewise.
3953 (INSN_IN_RANGE_P): New macro.
3954 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3955 (scan_loop): Remove nregs parameter, compute it after any new
3956 registers are created by load_mems. Use INSN_IN_RANGE_P and
3957 next_insn_in_loop rather than expanding them inline. Call
3958 load_mems to load memory into pseudos, if appropriate.
3959 (prescan_loop): Figure out whether or not there are jumps from the
3960 loop to targets other than the label immediately following the
3961 loop. Call insert_loop_mem to notice all the MEMs used in the
3962 loop, if it could be safe to pull MEMs into REGs for the duration
3964 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3966 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3968 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3970 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3972 * config/sparc/sparc.c (finalize_pic): Check for the correct
3973 nonlocal_goto_receiver UNSPEC number.
3974 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3975 making note of this dependency existing in sparc.c
3976 (negtf2_notv9 split): Give NEG SFmode.
3977 (negsf2): Fix insn output string.
3979 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3981 * c-common.c (decl_attributes): Issue an error if the argument
3982 to alias is not a string.
3984 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
3986 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
3987 pending memory flush list.
3989 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
3991 (try_combine): Allow combining insns with REG_LIBCALL notes.
3993 * expr.c (emit_block_move): Do not call memcpy as a libcall
3994 instead build up a CALL_EXPR and call it like any other
3996 (clear_storage): Similarly for memset.
3998 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4001 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4004 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4005 and REG_LIVE_LENGTH as successful substitutions are made.
4007 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4009 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4010 statement after end of loop label.
4012 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4014 * config/sparc/sparc.c (ultra_types_avail): New variable.
4015 (ultra_build_types_avail): New function to record mask of insn
4016 types in ready list at this cycle.
4017 (ultrasparc_sched_reorder): Call it.
4018 (ultra_find_type): Use it to quicken the search. Also simplif
4019 dependency check, don't use rtx_equal_p because we know exactly
4020 what we are looking for.
4022 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4024 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4025 for architecture v4.
4027 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4029 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4031 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4032 movdf_const_intreg and helper splits): New patterns to move float
4033 constants into integer registers.
4034 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4037 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4040 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4042 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4044 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4045 a BASE_REGS register is needed as an intermediate when copying
4046 a symbolic value into any register class other than BASE_REGS.
4048 * expr.c (move_by_pieces): No longer static. Remove prototype.
4049 * rtl.h (move_by_pieces): Add extern prototype.
4050 * mips.c (expand_block_move): Handle aligned straight line copy by
4051 calling move_by_pieces.
4053 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4056 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4058 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4059 jumps out of the loop to be treated as part of the exit test.
4061 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4062 Jeff Law <law@cygnus.com>
4064 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4065 * cplus-dem.c: Delete.
4067 * Makefile.in (fold-const.o): depend on $(RTL_H).
4069 * fold-const.c: Include rtl.h to get the prototype for
4070 `set_identifier_local_value'.
4072 * loop.c (express_from_1): Remove unused variable `tmp'.
4073 (combine_givs): cast the first argument of bzero to char *.
4075 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4077 * c-decl.c (init_decl_processing): Remove unneeded &.
4079 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4081 * except.c (set_exception_lang_code, set_exception_version_code):
4082 Change parameter from `short' to `int' to avoid using a gcc
4085 * except.h (set_exception_lang_code, set_exception_version_code):
4086 Likewise for prototypes.
4088 * flow.c (count_reg_references): Remove unused variables `regno'
4091 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4093 * prefix.c (translate_name): Cast the result of `alloca'.
4095 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4097 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4099 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4101 (valid_dbcc_comparison_p): Mark mode argument as unused.
4102 (symbolic_operand): Likewise.
4103 (legitimize_pic_address): Likewise.
4104 (const_uint32_operand): Likewise.
4105 (const_sint32_operand): Likewise.
4106 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4107 schedule_insns and comment out rest of file.
4109 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4111 (output_move_[hq]imode): Likewise.
4113 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4115 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4116 * invoke.texi: Corresponding changes.
4118 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4120 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4122 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4124 * config/sparc/sparc.c (ultra_code_from_mask,
4125 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4126 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4127 ultrasparc_sched_init, ultrasparc_variable_issue,
4128 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4129 functions to describe UltraSPARC pipeline exactly to Haifa.
4130 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4131 as there is nothing the scheduler can do about it. Indicate that
4132 REG_DEP_OUTPUT's collide. Fixup formatting.
4133 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4134 divide costs on Ultra for DImode.
4135 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4137 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4138 ieuN and add call_no_delay_slot to type list.
4139 (cti function unit): New unit for branches on UltraSPARC.
4140 (subx/addx insns): Set type to misc.
4141 (sidi zero/sign extension insns on arch64): Set type to shift.
4142 (sign_extendhidi2_insn): Set type to sload.
4144 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4146 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4147 (output_epilog): Use if != 0 for offset.
4148 (rs6000_fatal_bad_address): Prepare for Intl.
4149 * rs6000.h (rs6000_fatal_bad_address): Declare.
4150 * rs6000.md (movsfcc, movdfcc): Use else if.
4151 (elf_high): Use {liu|lis}.
4152 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4153 (movsi): Use rs6000_fatal_bad_address.
4155 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4157 * reload.c (find_equiv_reg): Reject equivalences separated
4158 by a volatile instruction.
4160 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4162 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4164 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4166 * alpha.md (movsicc): Fix mode mismatch.
4168 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4170 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4172 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4174 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4176 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4177 write-only modifier from operand 1 constraint.
4179 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4181 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4182 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4184 (sparc_emit_set_const64): Likewise, also when computing trailing
4185 bits do not negate low_bits and make fast_int an int.
4187 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4189 * loop.c (add_label_notes): Do not ignore references to labels
4190 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4191 * gcse.c (add_label_notes): Similarly.
4193 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4195 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4196 (adddi_dishl32): Similarly.
4198 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4200 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4201 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4202 * cse.c (cse_basic_block): Add parens to shut up warnings.
4204 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4206 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4207 sparc_emit_set_const64_longway, const64_is_2insns,
4208 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4209 in 64-bit constant formation.
4210 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4211 rtl for addx not subx.
4212 (define_insn movdi_const64_special): Make available even when
4213 HOST_BITS_PER_WIDE_INT is not 64.
4214 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4215 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4216 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4217 instances of operand 1 inside a QI subreg.
4218 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4219 (one_cmpldi2_sp64): Fix output string.
4220 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4222 (unnamed arch64 ashift DI): Truncate shift count if greater than
4225 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4227 * expr.c (store_expr): Don't optimize away load-store pair
4228 when either source or destination have a side effect.
4230 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4232 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4233 operands of SET are incompatible.
4235 * alpha.md: Fix max and min patterns so modes of SET operands match.
4237 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4239 * configure.in: Avoid [[ by using test and changequote.
4240 * configure: Rebuild.
4242 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4244 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4246 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4247 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4248 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4249 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4250 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4251 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4252 Fix mismatching modes in SET operands.
4253 (conditional move patterns): Fix formatting.
4254 (unnamed subx arch64 pattern): Remove duplicate insn.
4256 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4258 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4259 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4260 (input_operand): Fixup test for what we accept for constant
4262 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4264 (safe_constDI): Remove.
4265 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4266 gen_safe_XOR64): New functions.
4267 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4268 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4270 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4271 available when HOST_BITS_PER_WIDE_INT is not 64.
4272 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4273 move before movdi_insn_sp64 pattern.
4274 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4275 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4276 symbolic_operand as predicate for second operand.
4277 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4278 expander): Give set VOIDmode.
4280 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4282 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4284 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4286 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4288 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4290 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4292 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4294 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4296 * install.texi: Various SCO OpenServer tweaks.
4298 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4300 * reload1.c (eliminate_regs_in_insn): Handle another case when
4301 eliminating the frame pointer to the hard frame pointer. Add
4302 missing ep->to_rtx check to one existing case.
4304 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4306 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4308 * tree.h: De-conditionalize init_priority code.
4310 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4311 * collect2.c (NM_FLAGS): Change from -p to -n.
4313 * configure.in: Turn on collect2 for mipstx39-elf.
4314 Handle use_collect2=no properly.
4316 * c-common.c: De-conditionalize init_priority code.
4317 * collect2.c (extract_init_priority, sort_ids): New fns.
4318 (main): Call sort_ids.
4319 Move sequence_number to file scope.
4321 * configure.in: Handle --enable-init-priority.
4322 * c-common.c (attrs): Add A_INIT_PRIORITY.
4323 (init_attributes, decl_attributes): Likewise.
4324 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4325 * tree.c (get_file_function_name_long): Split out...
4326 (get_file_function_name): ...from here.
4328 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4330 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4333 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4335 * toplev.c (display_help): Add braces to shut up warnings.
4336 * tree.c (simple_cst_equal): Likewise.
4338 * fold-const.c (non_lvalue): Don't deal with null pointer
4340 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4342 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4343 of any size to a pointer.
4345 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4347 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4349 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4351 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4352 which will be saved.
4353 * mn10300.md (prologue insn): Only save registers which need saving.
4354 (epilogue insn): Similarly.
4356 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4359 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4361 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4362 VAR_DECL's in gp addressable sections.
4364 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4366 * sparc.c: Change return <exp> to <exp>; return; in functions
4368 * sparc.md: Add empty semicolon statement after final label in
4371 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4373 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4374 addx_extend_sp64, only allow when TARGET_ARCH64.
4375 (define_insn addx_extend_sp32 and split): Version that works when
4377 (define_insn subx_extend): Likewise.
4378 (define_split adddi3 and subdi3 with zero extension): Fixup and
4379 correct bugs when not TARGET_ARCH64.
4381 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4383 * except.c (set_exception_lang_code, set_exception_version_code):
4384 Use prototype-style definition if __STDC__, to match declaration
4387 * genemit.c: Change FAIL and DONE macros not to use loops.
4389 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4391 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4392 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4394 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4396 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4398 * README.g77: Update from Craig.
4400 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4402 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4404 (safe_constDI sparc_emit_set_const64_quick1,
4405 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4406 analyze_64bit_constant, const64_is_2insns,
4407 create_simple_focus_bits): Fix some bugs when compiled on real
4409 (function_arg_record_value_3, function_arg_record_value_2,
4410 function_arg_record_value): Add fully prototyped forward decls.
4411 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4412 to cmpsi_insn and use on both 64 and 32 bit targets.
4413 (define_insn cmpsi_insn_sp64): Remove.
4414 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4415 (define_insn zero_extendsidi2_insn): Rename to
4416 zero_extendsidi2_insn_sp64.
4417 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4418 assosciated forced split for it.
4420 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4422 * config/sparc/sparc.h: Declare them.
4423 (PREDICATE_CODES): Add them.
4424 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4425 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4427 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4429 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4430 in v9 case as the latter makes the Solaris assembler crash.
4432 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4434 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4435 for TFmode when !v9. We require offsettable memory addresses.
4436 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4437 DFmode register number conversions.
4438 * config/sparc/sparc.md (define_split DFmode moves): If register
4439 is a SUBREG do alter_subreg on it before using.
4440 (define_expand movtf): Fixup comment about alignment on v9.
4441 (define_split TFmode moves): Don't use gen_{high,low}part, create
4442 explicit SUBREGs instead.
4444 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4446 * Makefile.in (mbchar.o): Depend on mbchar.c.
4448 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4449 Richard Henderson <rth@cygnus.com>
4451 Rewrite Sparc backend for better code generation and
4452 improved sparc64 support.
4453 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4455 * config/sparc/sysv4.h: Likewise.
4456 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4457 move_operand, v8plus_regcmp_op, emit_move_sequence,
4458 singlemove_string, doublemove_string, mem_aligned_8,
4459 output_move_double, output_move_quad, output_fp_move_double,
4460 move_quad_direction, output_fp_move_quad, output_scc_insn):
4462 (small_int_or_double): New predicate.
4463 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4464 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4465 old pic_{sethi,lo_sum}_si patterns.
4466 (mem_min_alignment): New generic function to replace
4467 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4468 available and can test for arbitrary alignments. All callers
4470 (save_regs, restore_regs, build_big_number,
4471 output_function_prologue, output_cbranch, output_return,
4472 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4473 sparc_flat_output_function_epilogue): Prettify
4475 (output_function_epilogue): Likewise and add code to output
4476 deferred case vectors.
4477 (output_v9branch): Likewise, add new arg INSN and use it to tack
4478 on branch prediction settings. All callers changed.
4479 (print_operand): Likewise and output %l44 for LO_SUMs when
4481 (sparc_splitdi_legitimate): New function to make sure DImode
4482 splits can be run properly when !arch64.
4483 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4484 Reformat example code in comments.
4485 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4486 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4487 of deferred case vectors we need to output.
4488 (sparc_defer_case_vector): Record a case vector.
4489 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4490 sparc_output_deferred_case_vectors): New functions to output them.
4491 (sparc_emit_set_const32): New function to form 32-bit constants in
4492 registers when that requires more than one instruction.
4493 (safe_constDI, sparc_emit_set_const64_quick1,
4494 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4495 analyze_64bit_constant, const64_is_2insns,
4496 create_simple_focus_bits, sparc_emit_set_const64): New functions
4497 which do the same for 64-bit constants when arch64.
4498 (sparc_emit_set_symbolic_const64): New function to emit address
4499 loading for all code models on v9.
4500 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4501 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4502 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4503 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4504 inaccuracies in comments, add symbolic and text_segment operands
4505 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4506 GENERAL_REGS in these cases as a temp REG is needed to load these
4507 addresses into a register properly.
4508 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4510 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4511 quads are guarenteed to have 16-byte alignment.
4512 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4513 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4514 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4515 deferred case vector implementation.
4516 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4517 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4518 Generate "internal label - label" instead of "label - 1b".
4519 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4520 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4521 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4523 (doublemove_string, output_block_move, output_fp_move_double,
4524 output_fp_move_quad, output_move_double, output_move_quad,
4525 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4526 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4527 (sparc_emit_set_const32, sparc_emit_set_const64,
4528 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4529 mem_min_alignment, small_int_or_double): Add externs.
4530 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4531 UNSPEC_VOLATILE in this backend.
4532 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4533 unary to types which execute in it.
4534 (define_function_unit ieu_shift): Rename to ieu0.
4535 (define_function_unit ieu1): New, executes compare, call, and
4536 uncond_branch type insns.
4537 (define_function_units for type fdivs, fdivd, fsqrt): These
4538 execute in the fpu multiply unit not the adder on UltraSparc.
4539 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4540 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4541 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4542 allows the arith_double_operand predicate and rHI constraint when
4544 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4545 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4546 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4547 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4548 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4549 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4550 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4551 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4552 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4553 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4554 sign_extendqihi2_insn, sign_extendqisi2_insn,
4555 sign_extendqidi2_insn, sign_extendhidi2_insn,
4556 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4557 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4558 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4559 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4560 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4561 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4562 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4563 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4564 smulsi3_highpart_v8plus, unnamed subreg mult,
4565 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4566 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4567 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4568 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4569 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4570 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4571 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4572 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4573 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4574 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4575 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4576 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4577 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4578 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4579 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4580 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4581 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4582 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4583 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4584 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4585 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4586 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4587 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4588 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4589 call_address_untyped_struct_value_sp32,
4590 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4591 call_value_symbolic_sp32, call_value_address_sp64,
4592 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4593 flush_register_windows, goto_handler_and_restore,
4594 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4595 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4596 return_addsi, return_di, return_adddi, return_sf, all call+jump
4597 peepholes, trap, unnamed trap insns): Prettify output strings.
4598 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4599 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4600 Likewise and force + implement splits for integer cases.
4601 (define_insn return_sf_no_fpu): Likewise and allow to match when
4602 no-fpu because of our subreg SFmode splits.
4603 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4604 zero_extendqidi2_insn, zero_extendhidi2_insn,
4605 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4606 input_operand for second operand.
4607 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4608 reg_or_0_operand for operand 2 so new splits can use it.
4609 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4610 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4612 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4613 CONST_DOUBLEs for operand 2.
4614 (define_insn move_label_di): Likewise and label distance
4615 optimization because it no longer works with new deferred case
4616 vector scheme. To be revisited.
4617 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4618 and allow reg_or_0_operand and J constraint for second operand.
4619 (define_insn jump): Set branch predict taken on V9.
4620 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4621 new deferred case vector scheme.
4622 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4623 (define_insn negdi2_sp32): Force + implement splits.
4624 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4625 one_cmplsi2_not_liveg0 respectively, and create expander of original
4626 names which emit special rtl for TARGET_LIVE_G0.
4627 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4628 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4629 gen_compare_reg, FAIL instead.
4630 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4631 values when trying to reverse condition codes, if they FAIL then
4633 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4634 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4635 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4636 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4637 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4638 set output string to # to indicate they are mandatory splits.
4639 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4640 pic_sethi_di, move_pic_label_si): Remove.
4641 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4642 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4644 (define_expand movsi_pic_label_ref, define_insn
4645 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4646 expander and insns to handle PIC label references and deferred
4648 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4650 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4651 Rewrite to not use emit_move_sequence, make use of new constant
4652 formation code, and new splits for all multi-insn cases.
4653 (define_insn movqi_insn): Remove sethi case, it can never happen.
4654 Use reg_or_zero_operand instead of const0_rtx explicit test,
4655 use input_operand instead of move_operand for source, and use
4656 general_operand now for dest.
4657 (define_insn movhi_insn): Similar but leave sethi case.
4658 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4659 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4660 movhi_lo_sum respectively, prettify output string.
4661 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4662 register when needed on TARGET_LIVE_G0.
4663 (define_insn movsi_insn): Use general_operand and input_operand
4664 for dest and src respectively. Simplify applicability test.
4665 Prettify output strings, and add clr alternative for J
4667 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4668 deprecated std and reg-reg DI moves): Remove and...
4669 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4670 implementation which uses forced splits for all non-single insn
4672 (define_split DI move cases on !arch64): New splits to handle all
4673 situations of 64-bit double register DImode on 32bit, and
4674 unaligned registers and memory addresses for all subtargets.
4675 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4677 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4678 input_operand for dest and src respectively, prettify output
4680 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4681 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4683 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4684 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4685 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4686 movtf_no_e_insn_sp64) Replace with new
4687 implementation which uses forced splits for all non-single insn
4689 (define_split DF move cases): New splits in similar vein to DI
4691 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4692 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4693 movdi_sp64_insn): Remove old v9 code model and constant loading
4695 (define_insn pic_lo_sum_di, pic_sethi_di,
4696 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4697 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4698 embmedany_sethi, embmedany_losum, embmedany_brsum,
4699 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4700 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4701 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4702 scheme, using unspecs, secondary reloads, and one to one sparc
4703 insn to rtl insn mapping for better scheduling and code gen.
4704 (define_expand reload_indi, reload_outdi): Reload helpers for
4705 MEDANY and EMBMEDANY symbol address loading cases which require a
4707 (define_expand movsicc): Remove v8plus_regcmp cases.
4708 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4709 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4710 cmp_diqi_trunc_set): New patterns used by some of the new scc
4712 (define_insn xordi3_sp64_dbl): New pattern used for constant
4713 formation when crossing from 32-bit targets.
4714 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4716 (define_insn addx, subx): Make visible and prettify.
4717 (define_insn adddi3_insn_sp32): Likewise and force split.
4718 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4719 64bit scc split usage.
4720 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4721 zero_extend, subdi3): Force and implement splits.
4723 * final.c (final_scan_insn): Don't output labels if target
4724 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4727 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4728 don't forget to walk inside SEQUENCESs too as these are what the
4729 delay slot scheduler will create.
4731 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4733 * alpha.md (extxl+1,+2): New patterns to work around
4736 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4738 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4739 caused bad assembly code to be generated.
4741 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4743 * netbsd.h: Fix typo.
4745 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4747 * config.sub: Fix typo.
4749 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4751 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4753 (Running Protoize): Typo: Change "ther" into "other".
4755 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4757 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4758 * m68k/netbsd.h: Likewise.
4759 * ns32k/netbsd.h: Likewise.
4760 * sparc/netbsd.h: Likewise.
4762 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4764 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4765 * ginclude/va-clipper.h (va_list): Likewise.
4767 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4769 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4770 load/store multiple instructions unless user overrides.
4772 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4774 * ns32k/netbsd.h: Fix typo.
4776 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4778 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4779 labels with .debugsym if no parallel insns.
4781 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4783 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4784 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4786 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4788 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4789 (AR_FOR_TARGET): Define.
4791 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4793 * dyn-string.h: New file.
4794 * dyn-string.c: Likewise.
4795 * Makefile.in (OBJS): Add dyn-string.o.
4796 (dwarf2out.o): Add dyn-string.h dependency.
4797 (dyn-string.o): List dependencies.
4798 * dwarf2out.c: Include dyn-string.h.
4799 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4800 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4801 prototype. Use dyn_string_append rather than strcat, throughout.
4802 (addr_to_string): Use dyn_string_t.
4804 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4806 Function entry/exit profiling instrumentation:
4807 * expr.h (profile_function_entry_libfunc,
4808 profile_function_exit_libfunc): Declare new variables.
4809 * optabs.c: Define them here.
4810 (init_optabs): Initialize them.
4811 * tree.h (struct tree_decl): New flag
4812 no_instrument_function_entry_exit.
4813 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4814 * c-decl.c (duplicate_decls): Merge it.
4815 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4816 (init_attributes): Use it for "no_instrument_function".
4817 (decl_attributes): Handle it, for functions that have not yet been
4818 compiled. Set decl flag.
4819 * flags.h (flag_instrument_function_entry_exit): Declare new
4821 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4822 (f_options): New option "instrument-functions".
4823 * function.h (struct function): New field instrument_entry_exit.
4824 * function.c (current_function_instrument_entry_exit): New
4826 (push_function_context_to, pop_function_context_from): Save and
4828 (expand_function_start): Set current_ variable, maybe emit return
4829 label and entry profile call.
4830 (expand_function_end): Maybe emit exit profile call.
4832 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4834 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4835 NON_QI_REG_P, pretend the register is SImode.
4837 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4839 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4840 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4841 manufacturer id for ns32k.
4842 * configure: Regenerated.
4843 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4844 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4845 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4846 * config/m68k/netbsd.h: Same.
4847 * config/ns32k/netbsd.h: Same.
4848 * config/sparc/netbsd.h: Same.
4850 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4852 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4853 or UNROLL_COMPLETELY loop that starts with a jump to its
4856 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4858 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4859 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4860 (print_operand, case 'B'): Don't fall through.
4861 (print_operand, case 'S'): Correct mask begin/end computation.
4862 Use HOST_BITS_PER_WIDE_INT.
4863 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4864 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4865 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4866 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4868 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4870 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4871 constraint from second alternative.
4873 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4875 * configure.in: Fix --without/--disable cases for local-prefix,
4876 gxx-include-dir and checking.
4878 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4880 * configure.in (enable_haifa): Set by default for sparc64 too.
4883 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4885 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4886 * i386/winnt.c (associated_type): New fn.
4887 (i386_pe_valid_type_attribute_p): New fn.
4888 (i386_pe_check_vtable_importexport): Remove.
4889 (i386_pe_dllexport_p): Use associated_type.
4890 (i386_pe_dllimport_p): Likewise.
4892 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4893 * i386.c (i386_valid_type_attribute_p): Also accept
4894 attributes for METHOD_TYPEs.
4896 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4898 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4900 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4902 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4904 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4905 them from generating a new base name for each occurence of
4908 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4910 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4912 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4916 * cplus-dem.c (type_kind_t): New type.
4917 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4918 on this paramter, rather than demangling the type again.
4919 (demangle_integral_value): Pass tk_integral.
4920 (demangle_template_: Pass the value returned from do_type.
4921 (do_type): Return a type_kind_t. Pass tk_integral to
4922 demangle_template_value_parm for array bounds.
4923 (demangle_fund_type): Likewise.
4925 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4927 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4930 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4932 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4934 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4936 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4938 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4941 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4943 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4944 (DEBUGGER_ARG_OFFSET): Likewise.
4946 * mn10300.md (movsf): Remove last change. Not needed.
4948 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4950 * c-lex.c (yylex): Fix boundary conditions in character literal and
4951 string literal loops.
4953 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4955 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4956 being invoked incorrectly.
4958 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4959 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4961 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4962 * configure.in: Added i[34567]86-*-win32
4963 * config.sub: Ditto.
4964 * configure: Rebuilt.
4966 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4968 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4969 the frame pointer and compiling PIC code and reload has not completed.
4971 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4974 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4976 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4978 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4980 * Makefile.in (install-info): Only try to update the info
4981 directory file if it exists in the first place.
4983 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
4985 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
4987 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
4989 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
4990 CONST_DOUBLE source.
4992 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
4994 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
4995 strings as the insertion of USER_LABEL_PREFIX.
4996 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
4998 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5001 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5003 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5004 already defined type.
5006 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5008 * expr.c (check_max_integer_computation_mode): Allow conversions
5009 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5010 (expand_expr): Likewise.
5012 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5014 * expr.c (expand_expr): Expand RETURN_EXPR.
5016 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5018 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5020 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5022 * dwarf2out.c (output_aranges): Call stripattributes
5023 for TEXT_SECTION references.
5024 (output_line_info): Likewise.
5026 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5028 * profile.c (branch_prob): Call allocate_reg_info after outputting
5029 profile rtl in instrument_arcs.
5031 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5033 * fixinc.irix (math.h): Install wrapper instead of copying.
5035 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5037 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5038 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5039 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5040 lang_flag_0. Added documentation in the flag table.
5042 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5044 * cccp.c (do_include): Fix vax c style include handling.
5046 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5048 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5050 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5052 * fold-const.c (non_lvalue): Don't deal with null pointer
5054 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5056 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5058 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5059 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5060 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5061 (u_short_cint_operand): Same.
5062 (reg_or_cint_operand): Same.
5063 (logical_operand): Same.
5064 (input_operand): Same.
5065 (reg_or_short_operand): Use u_short_cint_operand.
5067 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5069 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5070 but keep the insns and splits. Adjust so when the ultimate destination
5071 is memory, use cvtql.
5073 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5075 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5077 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5079 * gcc.c (do_spec): Call "error" not "warning".
5081 * configure.in: Fix minor problems with gas feature detection code.
5082 * configure: Rebuilt.
5084 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5087 * gcc.c: Delete %[spec] support.
5088 (do_spec_1, case '('): Likewise.
5089 (do_spec_1, case '['): Call error.
5091 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5093 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5094 (CPP_SUBTARGET_SPEC): Default to empty string.
5095 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5096 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5097 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5098 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5100 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5101 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5102 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5103 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5104 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5105 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5106 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5107 * alpha/vxworks.h: Likewise.
5109 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5111 * mips.md (reload_outsi): Added missing REGNO call.
5112 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5114 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5115 another match_operator and compare the codes.
5117 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5119 * MIPS multiply pattern fixes:
5120 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5121 Add union classes for HI, LO, or HILO plus general registers.
5122 (GENERATE_MADD): Deleted.
5123 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5124 Add TARGET_MAD to condition.
5125 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5126 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5127 "*d" for accumulator, to give preference to LO initially but not
5130 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5132 * configure.in (enable_c_mbchar): New configure option.
5133 (extra_cpp_objs): Always available now.
5135 * cexp.y (mbchar.h): #include it.
5136 (yylex): Handle Multibyte characters in character literals.
5138 * cccp.c (mbchar.h): #include it.
5139 (main): Set character set based on LANG environment variable.
5140 (rescan): Handle multibyte characters in comments.
5141 (skip_if_group): See above.
5142 (validate_else): See above.
5143 (skip_to_end_of_comment): See above.
5144 (macarg1): See above.
5145 (discard_comments): See above.
5146 (rescan): Handle multibyte characters in string and character literals.
5147 (collect_expansion): See above.
5148 (skip_quoted_string): See above.
5149 (macroexpand): See above.
5150 (macarg1): See above.
5151 (discard_comments): See above.
5152 (change_newlines): See above.
5154 * c-lex.c (mbchar.h): #include it.
5155 (GET_ENVIRONMENT): New macro.
5156 (init_lex): Set character set based on LANG environment variable.
5157 (yylex): Handle multibyte characters in character literals.
5158 (yylex): Handle multibyte characters in string literals.
5160 * Makefile.in (mbchar.o): New target.
5161 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5162 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5164 * mbchar.[ch]: New files for multibyte character handling.
5166 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5168 * jump.c (jump_optimize): When simplifying noop moves and
5169 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5170 the PUSHes to rewrite in second loop as we did in the first.
5172 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5174 * cplus-dem.c (demangle_nested_args): Make function definition
5175 static to match the prototype.
5177 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5179 * alloca.c: Respect USE_C_ALLOCA.
5180 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5181 * gengenrtl.c (xmalloc): Likewise.
5183 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5185 * loop.h (struct induction): Add no_const_addval.
5186 * loop.c (the_movables, reg_address_cost): New variables.
5187 (init_loop): Init reg_address_cost.
5188 (loop_optimize): Call end_alias_analysis.
5189 (scan_loop): Init the_movables.
5190 (record_giv): Init induction->no_const_addval.
5191 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5192 [REG]: Rearrange loop search test to catch more cases.
5193 (general_induction_var): Return success not benefit; take an extra
5194 argument for that. Change all callers.
5195 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5196 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5197 [default]: Search the_movables for additional combinations.
5198 (sge_plus_constant, sge_plus): New functions.
5199 (express_from_1): New function.
5200 (express_from): Always define. Rewrite using express_from_1.
5201 (combine_givs_p): Handle more cases. Ignore address cost.
5202 (cmp_combine_givs_stats): New function.
5203 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5204 (combine_givs): Rewrite to do best-fit combination.
5206 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5207 (fold): Do a complete (A*C)+(B*C) association check.
5209 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5211 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5213 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5215 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5217 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5219 * tree.c (valid_machine_attribute): Only create a new type variant if
5220 there is a decl to use it.
5222 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5224 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5227 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5229 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5232 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5234 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5235 Simplify tests for clearing an address register.
5236 (expand_prologue): Corresponding changes.
5238 * mn10300.md (movXX patterns): Make sure the destination is an
5239 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5240 (logical patterns): Split into expanders + patterns
5241 (zero and sign extension patterns): Similarly.
5242 (shift patterns): Similarly.
5244 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5246 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5247 for the sequence, recording base values.
5249 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5251 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5253 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5255 * gcc.c: Remove ANSI-C ism from --help code.
5257 * toplev.c: Support --help with USE_CPPLIB.
5259 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5261 * configure.in: Rework gas feature code to work with symlink based
5264 * extend.texi: Clarify some issues related to local variables
5265 assigned to explicit registers.
5267 * mn10300.md (mulsi): Turn into expander + pattern.
5269 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5272 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5274 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5276 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5278 * version.c: Bump again to distinguish mainline tree from the
5281 See ChangeLog.0 for earlier changes.
5284 add-log-time-format: current-time-string