1 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
4 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
6 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
8 * loop.c (loop_has_tablejump): New variable.
9 (prescan_loop): Scan for it.
10 (insert_bct): Replace explicit scan with use of it.
11 * regclass.c (regclass): Restore loop variable j.
12 (record_reg_classes): Deterine op_types modifiers and initialize
13 classes[i] before matching constraints. Handle matching
16 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
18 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
21 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23 * mips.h (EXTRA_SPECS): Add missing initializers.
25 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27 * sparc.h (EXTRA_SPECS): Add missing initializers.
28 (sparc_defer_case_vector): Provide a prototype.
30 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
31 comparing it to the result of a pointer subtraction.
33 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
35 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
36 the argument to (unsigned char).
38 * alpha.h (EXTRA_SPECS): Add missing initializers.
39 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
42 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
44 * flow.c (life_analysis_1): Enable "rescan" code after reload.
45 (propagate_block): Delete dead code after reload.
47 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
48 back Oct 15, 1998 change.
49 * haifa-sched.c (update_flow_info): Likewise.
50 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
52 * mn10200.md (truncated shift): Accept constant inputs too.
54 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
56 * machmode.h (mode_mask_array): No longer const.
57 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
59 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
61 * frame.c: Somewhat explain `FDE'.
62 Suggested by Brendan Kehoe
64 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
66 * expr.c (pending_chain): Move up.
67 (save_expr_status): Do save pending_chain.
68 (restore_expr_status): And restore it.
69 * function.h (struct function): Add pending_chain.
71 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
73 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
74 did not match the code.
76 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
78 * regclass.c (regclass): Break out some code into new function
79 scan_one_insn, and into regclass_init.
80 (init_cost): New static variable, moved out of regclass.
81 (regclass_init): Initialize it here, not in .
82 (scan_one_insn): New static function, broken out of regclass.
83 * recog.c (apply_change_group): Break out some code into new
84 function insn_invalid_p.
85 (insn_invalid_p): New static fn, broken out of apply_change_group.
87 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
89 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
90 reg_reloaded_contents matches incremented pseudo.
92 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
94 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
96 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
97 addressing modes with side effects. These are currently
98 placeholders for the C4x target.
100 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
102 * loop.c (express_from): Make sure that when generating a PLUS of
103 a PLUS, any constant expression appears on the outermost PLUS.
105 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
107 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
108 works if "$(srcdir)" != ".".
110 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
112 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
113 existing SUBREG if we can, otherwise abort.
115 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
117 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
118 `restrict' is applied to a non-pointer variable.
120 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
122 * invoke.texi: Document -flang-isoc9x.
124 * Makefile.in (OBJS): Add splay-tree.o.
125 (c-common.o): Depend on rtl.h.
126 (splay-tree.o): List dependencies and provide build rule.
128 * rtl.h (record_alias_subset): New function.
129 * alias.c: Include splay-tree.h.
130 (alias_set_entry): New type.
131 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
132 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
133 (mems_in_disjoin_alias_sets_p): New function.
134 (alias_set_compare): Likewise.
135 (insert_subset_children): Likewise.
136 (get_alias_set_entry): Likewise.
138 * tree.h (TYPE_RESTRICT): New macro.
139 (TYPE_UNQUALIFIED): New manifest constant.
140 (TYPE_QUAL_CONST): Likewise
141 (TYPE_QUAL_VOLATILE): Likewise.
142 (TYPE_QUAL_RESTRICT): Likewise.
143 (tree_type): Add restrict_flag. Reduce count of free bits.
144 (DECL_POINTER_ALIAS_SET): New macro.
145 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
146 (tree_decl): Add pointer_alias_set.
147 (build_qualified_type): New function.
148 (build_type_variant): Define in terms of build_qualified_type.
149 * tree.c (set_type_quals): New function.
150 (make_node): Initializae DECL_POINTER_ALIAS_SET.
151 (build_type_attribute_variant): Use build_qualified_type and
153 (build_type_variant): Rename, and modify, to become...
154 (build_qualified_type): New function.
155 (build_complex_type): Use set_type_quals.
157 * c-tree.h (C_TYPE_OBJECT_P): New macro.
158 (C_TYPE_FUNCTION_P): Likewise.
159 (C_TYPE_INCOMPLETE_P): Likewise.
160 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
161 (c_apply_type_quals_to_decl): New function.
162 (c_build_qualified_type): New function.
163 (c_build_type_variant): Define in terms of c_build_qualified_type.
164 (flag_isoc9x): Declare.
165 * c-typeck.c (qualify_type): Use c_build_qualified_type.
166 (common_type): Change to use TYPE_QUALS.
167 (comptypes): Likewise.
168 (convert_for_assignment): Likewise.
169 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
170 * c-decl.c (flag_isoc9x): Define.
171 (c_decode_option): Handle -flang-isoc9x.
172 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
173 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
174 * c-lex.c (init_lex): Deal with restrict.
175 (init_lex): Don't treat restrict as a reserved word in
176 -traditional mode, or without -flang-isoc9x.
177 * c-lex.h (rid): Add RID_RESTRICT.
178 * c-parse.gperf (restrict, __restrict, __restrict__): Make
179 equivalent to RID_RESTRICT.
180 * c-parse.in (TYPE_QUAL): Update comment.
181 * c-common.c: Include rtl.h.
182 (c_find_base_decl): New function.
183 (c_build_type_variant): Rename, and modify, to become ...
184 (c_build_qualified_type): New function.
185 (c_apply_type_quals_to_decl): Likewise.
186 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
187 a particular alias set for the reference.
188 * toplev.c (documented_lang_options): Add -flang-isoc9x.
190 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
192 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
193 command line switches.
195 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
197 * reload.c (loc_mentioned_in_p): Add missing braces to bind
200 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
202 * gcc.c (option_map): Added --classpath and --CLASSPATH.
204 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
206 * regclass.c (fix_register): Add error message.
207 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
210 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
212 * c-decl.c (warn_missing_noreturn): New global variable.
213 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
214 (finish_function): Implement missing noreturn warning.
216 * c-tree.h (warn_missing_noreturn): Declare extern.
218 * invoke.texi: Document new flags.
220 * toplev.c (documented_lang_options): Add description.
222 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
224 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
225 loop optimization stable for the C4x.
226 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
227 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
228 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
230 (c4x_address_conflict): Be more paranoid when packing a volatile
231 memref in a parallel load/store.
233 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
235 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
236 repeat_block_filler): Deleted.
237 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
238 Condition code not set if destination register from 'c' class.
239 (*subbqi3_carry_clobber): Fix typo.
241 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
243 * reorg.c (steal_delay_list_from_target) Check for insns that
244 modify the condition codes and effect the direction of the jump
247 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
249 * function.c (purge_addressof_1): Replace call to
250 emit_insns_before() with emit_insn_before().
252 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
254 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
256 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
258 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
260 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
262 * gcse.c (compute_hash_table): Correctly identify hard regs which are
263 clobbered across calls.
265 * loop.c (scan_loop): Be more selective about what invariants are
268 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
270 * version.c: Bump for snapshot.
272 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
274 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
275 static eh_context structure.
277 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
279 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
281 (try_combine): Don't update max_scratch.
282 * flow.c (max_scratch, num_scratch): Delete variables.
283 (life_analysis_1): Don't initialize max_scratch.
284 (propagate_block): Don't update max_scratch.
285 (mark_set_1): Don't increment num_scratch.
286 * regs.h (max_scratch): Delete declaration.
288 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
290 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
291 is nonzero. This is temporary!
293 * sched.c (update_flow_info): Handle death notes made invalid by
294 instruction splitting. Partially reverts Oct 15, 1998 patch.
295 * haifa-sched.c (update_flow_info): Likewise.
297 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
299 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
300 if it has a nonzero DECL_INITIAL.
302 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
304 * Makefile.in (flow.o): Depend on recog.h.
306 * cpplib.h (directive_table): Add missing initializiers.
307 (finclude): Change type of variable `bsize' to size_t.
309 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
311 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
313 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
314 `int' when comparing against one.
315 (cpp_file_line_for_message): Mark parameter `pfile' with
317 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
319 * flow.c: Include recog.h.
320 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
322 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
323 `f' with ATTRIBUTE_UNUSED.
324 (reposition_prologue_and_epilogue_notes): Likewise.
326 * genopinit.c (gen_insn): Cast argument of ctype functions to
329 * haifa-sched.c: Include recog.h.
330 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
331 comparing against one.
333 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
335 * mips-tfile.c (parse_end): Cast the argument of ctype function to
337 (parse_ent): Likewise.
338 (parse_input): Likewise.
340 * optabs.c (init_libfuncs): Likewise.
342 * protoize.c (find_rightmost_formals_list): Likewise.
344 * recog.h (const_double_operand): Fix typo in prototype.
346 * tlink.c (scan_linker_output): Cast the argument of ctype
347 function to `unsigned char'.
349 * toplev.c (check_lang_option): Cast the result of `strlen' to
350 `int' when comparing against one.
352 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
354 * gcse.c (dump_cuid_table): Correct typo.
356 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
358 * toplev.c (display_help): Prepend '-m' to target specific
360 (check_lang_option): Ignore text after end of first word of a
361 language specific option.
363 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
365 * reload1.c (reg_used_by_pseudo): New static variable.
366 (choose_reload_regs): Initialize it.
367 Use it instead of testing spill_reg_order to determine whether a
368 pseudo is live in a hard register across the current insn.
369 Fix a typo in a reference to reload_reg_rtx.
371 * flow.c (propagate_block): Replace code that computes and uses
372 regs_sometimes_live with simpler code that just walks the set of
373 currently live registers.
375 * Makefile.in (insn-extract.o): Fix dependencies.
376 * genextract.c (main): Generate includes for insn-config.h and
378 Delete generation of declarations which are now in recog.h.
379 * genrecog.c (main): Delete generation of definitions which are
381 * local-alloc.c (block_alloc): Use extract_insn and the variables
382 it sets up instead of looking up values by insn_code.
383 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
384 recog_dup_num): Define here instead of generating the definition in
386 (recog_n_operands, recog_n_dups, recog_n_alternatives,
387 recog_operand_mode, recog_constraints, recog_operand_address_p):
389 (extract_insn): New function.
390 * recog.h (extract_insn): Declare function.
391 (which_alternative, recog_n_operands, recog_n_dups,
392 recog_n_alternatives, recog_operand_mode, recog_constraints,
393 recog_operand_address_p): Declare variables.
394 * regclass.c (n_occurrences): New static function.
395 * reload.c (n_occurrences): Delete function.
396 (find_reloads): Use extract_insn.
397 * reload.h (n_occurrences): Delete declaration.
399 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
401 * reload1.c (reload_as_needed): Fix test for when to call
402 update_eliminable_offsets.
404 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
406 Fix consistency problems with reg_equiv_{mem,address};
407 Improve reload inheritance;
409 * reload.c (reload_out_reg): New variable.
410 (loc_mentioned_in_p, remove_address_replacements): New functions.
411 (remove_replacements): Deleted.
412 (push_reload): Set reload_out_reg[i].
413 When merging, also set reload_{in,out}_reg[i], and remove
414 duplicate address reloads.
415 (combine_reloads): Copy reload_out_reg[i].
416 (find_reloads): Do make_memloc substitution also when
417 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
419 Include *recog_operand_loc in commutativity operand changes.
420 Generate optional output reloads.
421 Delete reference to n_memlocs. Don't set *recog_operand_loc before
422 processing operands. Call make_memloc in reg_equiv_address code.
423 Set *recog_operand_loc only after processing operands, and only
424 if replace is true. Return a value.
425 When changing address reload types for operands that didn't get
426 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
427 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
428 Don't emit USEs for pseudo SUBREGs when not replacing.
429 (find_reloads_address): Do make_memloc substitution also when
430 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
432 (find_reloads_toplev): Likewise.
433 Call make_memloc in reg_equiv_address code.
434 (debug_reload_to_stream): Add code to output reload_out_reg.
435 (make_memloc): Delete local variable i, ifdefed out code, and
436 references to memlocs and n_memlocs.
437 (memlocs, n_memlocs): Delete.
438 (push_secondary_reload): Clear reload_out_reg.
439 (find_reloads_address_1): Provide memrefloc argument to all calls
440 to find_reloads_address.
441 In AUTO_INC code, handle non-directly addressable equivalences properly.
442 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
443 (find_reloads): Add return type.
444 (remove_address_replacements, deallocate_reload_reg): Declare.
445 * reload1.c (num_not_at_initial_offset): No longer static.
446 (delete_address_reloads, delete_address_reloads_1): Likewise.
447 (deallocate_reload_reg): New function.
448 (spill_reg_stored_to): New array.
449 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
450 (eliminate_regs_in_insn): Move assignments of previous_offset and
451 max_offset fields, and recalculation of num_not_at_initial_offset
452 into new static function:
453 (update_eliminable_offsets) .
454 (reload_as_needed): Call update_eliminable_offsetss after calling
456 Call forget_old_reloads_1 with contents of reloaded auto_inc
457 expressions if the actual addressing can't be changed to match the
459 (choose_reload_regs): For inheritance, replace
460 reload_reg_free_before_p test with reload_reg_used_at_all test, and
461 remove stand-alone reload_reg_used_at_all test.
462 Use reload_out_reg to determine which reload regs have output reloads.
463 Treat reload_override_in more similar to inherited reloads.
464 Handle (subreg (reg... for inheritance.
465 For flag_expensive_optimizations, add an extra pass to remove
466 unnecessary reloads from known working inheritance.
467 Delete obsolete code for pseudos replaced with MEMs.
468 Handle inheritance from auto_inc expressions.
469 (emit_reload_insns): If reload_in is a MEM, set OLD to
471 Don't reload directly from oldequiv; if it's a pseudo with a
472 stack slot, use reload_in[j].
473 Check that reload_in_reg[j] is a MEM before replacing reload_in
474 from reg_reloaded_contents.
475 Include non-spill registers in reload inheritance processing.
476 Also try to use reload_out_reg to set spill_reg_store /
478 In code to set new_spill_reg_store, use single_set to find out if
479 there is a single set.
480 Add code that allows to delete optional output reloads.
481 Add code to allow deletion of output reloads that use no spill reg.
482 At the end, set reload_override_in to oldequiv.
483 Also call delete_output_reload if reload_out_reg is equal to old
485 Add code to call delete_output_reload for stores with no matching load.
486 Set / use spill_reg_stored_to.
487 Handle case where secondary output reload uses a temporary, but
488 actual store isn't found.
489 When looking for a store of a value not loaded in order to call
490 delete_output_reload, count_occurences should return 0 for no
491 loads; but discount inherited input reloadill_reg_stored_to.
492 Do checks for extra uses of REG. Changed all
494 Use delete_address_reloads.
495 (reload): Take return value of find_reloads into account.
496 If a no-op set needs more than one reload, delete it.
497 (reload_reg_free_before_p): RELOAD_FOR_INPUT
498 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
499 for the same operand.
500 (clear_reload_reg_in_use): Check for other reloads that keep a
502 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
503 RELOAD_FOR_OPADDR_ADDR.
504 Take into account when an address address reload is only needed
505 for the address reload we are considering.
506 (count_occurrences): Use rtx_equal_p for MEMs.
507 (inc_for_reload): Return instruction that stores into RELOADREG.
508 New argument two, IN, and rtx. Changed all callers.
509 (calculate_needs_all_insns, reload_as_needed):
510 Don't clear after_call for a CLOBBER.
511 Keep track of how many hard registers need to be copied from
512 after_call, and don't clear after_call before we have seen
513 that much copies, or we see a different instruction.
515 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
517 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
518 after reload has completed.
520 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
522 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
523 a macro name and the next token with a single blank if that whitespace
524 is in a macro buffer and the next token is not '('.
526 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
528 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
530 (skip_if_group): Ditto.
531 (skip_to_end_of_comment): Ditto.
533 (discard_comments): Ditto.
534 (change_newlines): Ditto.
536 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
538 * c-lex.c (yylex): Fix unaligned access of wchar_t.
540 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
542 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
543 (TARGET_OPTIONS): Add --help documentation.
545 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
547 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
549 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
551 * fixinc/* Moved in from ../contrib directory in preparation
552 for integrating it into the normal build process. In particular,
553 fixinc/Makefile.in must be config-ed into the build directory
554 as fixinc/Makefile. Proposed patches to ./Makefile.in and
555 ./configure.in will be "in the mail" momentarily.
557 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
559 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
560 accidently walk into the free list. Comment how that can happen.
561 (invalidate): Fix indentation.
563 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
564 Jeffrey A Law (law@cygnus.com)
566 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
567 reload. Never perform rescans of the insn chain after reload.
568 (propagate_block): Do not delete insn or create new autoinc addressing
571 * jump.c (jump_optimize): Unconditionally use the code that was
572 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
573 * reload1.c (reload): When reloading is finished, delete all
574 REG_DEAD and REG_UNUSED notes.
575 (emit_reload_insns): Delete all code that was conditional on
576 PRESERVE_DEATH_INFO_REGNO_P.
577 (no_longer_dead_regs): Delete variable.
578 (reload_cse_delete_death_notes): Delete function.
579 (reload_cse_no_longer_dead): Delete function.
580 (reload_cse_regs_1): Delete all code to handle deletion of death
582 (reload_cse_noop_set_p): Likewise.
583 (reload_cse_simplify_set): Likewise.
584 (reload_cse_simplify_operands): Likewise.
585 (reload_cse_move2add): Likewise.
586 * reorg.c (used_spill_regs): Delete declaration.
587 (max_label_num_after_reload): Delete declaration.
588 (find_dead_or_set_registers): Don't assume that spill regs are
589 dead at a CODE_LABEL.
590 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
592 * sched.c (sched_analyze_insn): Likewise.
593 (update_flow_info): Likewise.
594 * haifa-sched.c (sched_analyze_insn): Likewise.
595 (update_flow_info): Likewise.
596 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
597 * toplev.c (max_label_num_after_reload): Delete variable.
598 (rest_of_compilation): Don't set max_label_num_after_reload.
599 Call life_analysis after reload_cse_regs if optimizing.
600 * config/gmicro/gmicro.h: Delete comment referring to
601 PRESERVE_DEATH_INFO_REGNO_P.
602 * config/i386/i386.h: Likewise.
603 * config/m88k/m88k.h: Likewise.
604 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
605 * config/sh/sh.h: Likewise.
607 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
609 * loop.c (strength_reduce): Restore marking bct_p as
611 * rs6000.c (optimization_options): Change #ifdef HAIFA to
612 HAVE_decrement_and_branch_on_count.
613 (small_data_operand): Remove TARGET_ELF condition for marking
614 parameters ATTRIBUTE_UNUSED.
616 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
618 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
619 (SELECT_SECTION): Resync with svr4.h.
621 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
623 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
626 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
628 * c-pragma.c (handle_pragma_token): Test for null tree before
629 dereferencing TREE_CODE.
631 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
633 * config/c4x/c4x.c: Convert to use GEN_INT.
634 (c4x_parallel_process): Rework to handle new repeat loop structure.
636 * config/c4x/c4x.md: Convert to use GEN_INT.
637 (rptb_end): Convert to use GE test. Replace uses with clobbers.
638 (decrement_and_branch_on_count): Likewise.
640 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
641 loop.c has the desired functionality.
642 (rc_reg_operand): New prototype.
644 * config/c4x/t-c4x: Can now build all front ends.
646 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
648 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
650 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
652 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
653 * config/t-rtems: Do not install assert.h -- use newlib's.
655 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
657 * combine.c (combine_instructions): When finished, call init_recog.
658 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
660 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
662 * toplev.c: If flag_syntax_only, don't open or write assembler file.
664 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
666 * cppalloc.c (memory_full): Mark function prototype with
669 * demangle.h (collect_exit): Likewise.
671 * fix-header.c (v_fatal, fatal): Likewise.
673 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
676 * gcov.c (print_usage): Likewise.
678 * genattr.c (fatal, fancy_abort): Likewise.
680 * genattrtab.c (fatal, fancy_abort): Likewise.
682 * gencodes.c (fatal, fancy_abort): Likewise.
684 * genconfig.c (fatal, fancy_abort): Likewise.
686 * genemit.c (fatal, fancy_abort): Likewise.
688 * genextract.c (fatal, fancy_abort): Likewise.
690 * genflags.c (fatal, fancy_abort): Likewise.
692 * genopinit.c (fatal, fancy_abort): Likewise.
694 * genoutput.c (fatal, fancy_abort): Likewise.
696 * genpeep.c (fatal, fancy_abort): Likewise.
698 * genrecog.c (fatal, fancy_abort): Likewise.
700 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
701 __sjpopnthrow, __throw): Likewise.
703 * objc/objc-act.c (objc_fatal): Likewise.
705 * protoize.c (usage, aux_info_corrupted,
706 declare_source_confusing): Likewise.
708 * rtl.c (dump_and_abort): Likewise.
710 * rtl.h (sets_cc0_p): Likewise.
712 * toplev.c (float_signal, pipe_closed): Likewise.
714 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
716 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
717 when generating the decision tree for the general case.
719 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
720 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
722 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
724 * Makefile.in (sched.o): Depend on recog.h.
726 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
727 (unsigned) when comparing against one.
728 (find_base_value): Likewise.
729 (record_base_value): Cast variable `regno' to (unsigned) when
730 comparing against one. Cast the result of REGNO() macro to
731 (unsigned) when comparing against one.
732 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
734 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
735 variable where an unsigned index is needed.
737 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
738 before comparing against one.
740 * collect2.c: Add prototypes for functions `error', `fatal' and
741 `fatal_perror'. Make these functions take variable arguments
742 instead of faking it with a fixed number of args.
743 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
746 * combine.c (can_combine_p): Mark parameter `pred' with
748 (find_split_point): Cast variable `src' to (unsigned
749 HOST_WIDE_INT) when comparing against one.
750 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
751 (simplify_logical): Likewise.
752 (force_to_mode): Cast result of INTVAL() macro to (unsigned
753 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
754 HOST_WIDE_INT) in shift.
755 (simplify_and_const_int): Cast result of INTVAL() macro to
756 `unsigned HOST_WIDE_INT' when comparing against one.
757 (merge_outer_ops): Cast variable const0 to `unsigned
758 HOST_WIDE_INT' when comparing against the result of
759 GET_MODE_MASK() macro.
760 (simplify_comparison): Likewise for variable `c0'. Cast variable
761 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
762 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
763 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
764 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
765 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
766 comparing against one.
767 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
769 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
770 macro to `unsigned HOST_WIDE_INT' when comparing against one.
771 (output_block_move): Cast `sizeof' expression to (int) when
772 comparing against one.
773 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
775 (save_restore_insns): Cast `base_offset' to `long' to match format
776 specifier in fprintf.
778 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
779 to `enum machine_mode'.
781 * flow.c (life_analysis_1): Remove unused variable `insn'.
783 * gcc.c (translate_options): Move variables `j' and `k' into the
784 scope in which they are used. Change their types to `size_t'.
785 (set_spec): Cast the argument of ctype macro to `unsigned char'.
786 (read_specs): Likewise.
787 (process_command): Cast `sizeof' to (int) when comparing against one.
788 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
789 (handle_braces): Cast both sides of `==' expression to `long' to
790 ensure sign matching.
791 (main): Cast variable `i' to `int' when comparing against one.
793 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
794 int to size_t. Cast variable `i' to size_t when comparing against
797 * genattrtab.c (convert_set_attr_alternative): Remove unused
798 parameter `insn_code'. All callers changed.
799 (convert_set_attr): Likewise.
801 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
802 size_t when comparing against one. Likewise for variable `len'.
804 * global.c (global_alloc): Cast variable `max_regno' to size_t
805 when comparing against one. Likewise for variable `max_allocno'.
807 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
809 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
810 `set' with ATTRIBUTE_UNUSED.
811 (find_free_reg): Cast `sizeof' expression to (int) when comparing
814 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
815 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
816 (get_condition): Cast variable `const_val' to `unsigned
817 HOST_WIDE_INT' when comparing against one. Cast unsigned
818 expression to HOST_WIDE_INT when comparing against one.
819 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
820 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
821 `unsigned' when comparing against one.
823 * protoize.c (is_id_char): Change type of parameter `ch' to
825 (munge_compile_params): Cast argument of ctype macro to (const
827 (process_aux_info_file): Cast variable `aux_info_size' to int when
828 comparing against one.
829 (forward_to_next_token_char): Cast argument of ctype macro to
830 `const unsigned char'.
831 (edit_formals_lists): Likewise.
832 (find_rightmost_formals_list): Likewise.
833 (add_local_decl): Likewise.
834 (add_global_decls): Likewise.
835 (edit_fn_definition): Likewise.
836 (do_cleaning): Likewise.
837 (scan_for_missed_items): Likewise.
838 (edit_file): Cast variable `orig_size' to (int) when comparing
840 (main): Cast argument of ctype macro to `const unsigned char'.
842 * recog.c (const_int_operand): Mark parameter `mode' with
845 * regclass.c (record_reg_classes): Change type of variable `c' to
846 `unsigned char'. Cast `char' array index to `unsigned char'.
848 * reload.c (push_secondary_reload): Cast argument to
849 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
851 * reload1.c (calculate_needs): Cast `char' array index to
853 (set_label_offsets): Change type of variable `i' to unsigned int.
854 Cast result of XVECLEN() macro to unsigned when comparing against
856 (mark_not_eliminable): Change type of variable `i' to unsigned.
857 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
858 when comparing against one.
859 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
860 comparing against one.
861 (choose_reload_regs): Hide unused label `fail'.
862 (reload_cse_simplify_operands): Cast `char' array index to
864 (reload_combine_note_store): Mark parameter `set' with
865 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
867 (reload_cse_move2add): Remove unused variable `src2'.
869 * sched.c: Include recog.h.
870 (sched_note_set): Remove unused parameter `b'. All callers
872 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
873 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
874 when comparing against one.
876 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
877 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
878 comparing against one.
880 * unroll.c (precondition_loop_p): Remove unused parameter
881 `loop_end'. All callers changed.
883 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
885 * reload1.c (maybe_fix_stack_asms): New static function.
888 * reload.h (compute_use_by_pseudos): Declare.
890 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
891 (something_needs_reloads): Delete variable.
892 (finish_spills): New function.
893 (compute_use_by_pseudos): New function.
895 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
896 Use the reload_insn_chain instead of walking the rtl directly.
898 (reload): Allocate and free spilled_pseudos.
899 Ensure that all calls of spill_hard_reg are followed by a call to
901 Use the insns_need_reload list instead of something_needs_reloads
902 to find out if reload_as_needed must be called.
903 Clear unused_insn_chains at the end.
905 (calculate_needs_all_insns): Lose FIRST parameter. All callers
907 Delete code to keep track of current basic block.
908 Walk reload_insn_chain instead of the rtl structure. Build the
909 insns_need_reload chain.
910 Remember which insns need reloading/elimination by setting the
911 appropriate fields in struct insn_chain, not by putting modes on the
914 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
915 arg INSN. All callers changed.
916 Delete declaration of struct needs.
917 Don't set something_needs_reloads.
918 Record insn needs in the CHAIN argument.
920 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
922 (reload_as_needed): Lose FIRST arg. All callers changed.
923 Walk the reload_insn_chain instead of the rtx structure.
924 Delete code to keep track of current basic block.
925 Rename one of the NEXT variables to OLD_NEXT.
927 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
929 (choose_reload_regs): Likewise.
931 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
934 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
935 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
936 (hard_regs_live, hard_regs_need_restore): Delete variables.
937 (n_regs_saved): Now static.
938 (referenced_regs, this_insn_sets): New variables.
940 (setup_save_areas): Restructure the code a bit.
942 (restore_referenced_regs): Delete function.
943 (mark_referenced_regs): New function, similar to the old
944 restore_referenced_regs, but mark registers in referenced_regs.
946 (clear_reg_live): Delete function.
947 (mark_set_regs): Renamed from set_reg_live. All callers changed.
948 Only mark registers in this_insn_sets.
950 (save_call_clobbered_regs): Rework this function to walk the
951 reload_insn_chain instead of using the list of instructions directly.
952 Delete code to keep track of register lives, compute live regs on the
953 fly from information in the chain.
954 Instead of calling restore_referenced_regs, use mark_referenced_regs,
955 then walk the set it computes and call insert_restore as appropriate.
957 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
959 Restructure the code a bit. Test hard_regs_saved instead of
960 hard_regs_need_restore.
961 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
962 args. All callers changed.
963 Restructure the code a bit. Use TO_SAVE to determine which regs to
964 save instead of more complicated test.
965 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
967 Create a new insn_chain structure for the new insn and place it
970 * rtl.texi: Update documentation to reflect that reload no longer
971 puts modes on the insns.
973 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
975 * function.c (purge_addressof_1): Force the first argument of a
978 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
980 * rtl.h: Delete duplicate prototypes. Add some missing
982 * rtlanal.c: (for_each_rtx): Formatting tweak.
984 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
986 * real.c (emdnorm and etoasc): Disable round to even for c4x target
987 to be compatible with TI compiler.
989 * Makefile.in (USER_H): Add va-c4x.h to definition.
991 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
993 * function.c (purge_addressof_1): Fix typo in inequality: do
994 bitfield optimization for equal mode sizes.
995 * expmed.c (store_bit_field): Don't take subregs of subregs in
996 the movstrict case. Tidy a potential problem in the multi-word case.
997 (extract_bit_field): Likewise.
999 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1001 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1003 Compute max_uid_for_flow by calling get_max_uid after the scan.
1004 (find_basic_blocks_1): Don't emit NOPs here.
1006 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1008 * alias.c (base_alias_check): Accept new args for the modes of the
1009 two references. Use them to determine if an AND can overlap. Update
1011 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1012 to determine if an AND can overlap.
1014 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1016 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1017 check. Add comment to document problems with TARGET_SUN_FPA version
1019 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1021 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1023 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1025 * c-common.c (print_char_table): Add missing initializers.
1026 (scan_char_table): Likewise.
1027 (time_char_table): Likewise.
1029 * c-decl.c (c_decode_option): Mark parameter `argc' with
1031 (declare_parm_level): Mark parameter `definition_flag' with
1034 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1035 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1038 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1040 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1042 (expand_call): Cast result of MIN() to (unsigned int) when
1043 comparing against an unsigned value.
1045 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1047 (make_definition): Remove unused parameter `op'. All callers
1049 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1050 comparing against the result of pointer arithmetic.
1052 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1053 when comparing against one.
1055 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1056 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1058 (output_die): Move variable `i' into the scope in which it is
1059 used. Change its type to `unsigned'.
1060 (output_die): Cast the result of `strlen' to (int) when passing it
1061 to ASM_OUTPUT_ASCII().
1062 (output_pubnames): Likewise.
1063 (output_line_info): Likewise.
1065 * emit-rtl.c (global_rtl): Add missing initializers.
1067 * explow.c (promote_mode): Mark parameter `for_call' with
1070 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1071 `unsigned HOST_WIDE_INT' when comparing against one.
1072 (synth_mult): Change type of variable `cost' to int.
1073 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1075 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1076 when comparing against one.
1077 (get_inner_reference): Change variable `alignment' to unsigned.
1078 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1079 int) when comparing against one.
1080 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1082 * fold-const.c (div_and_round_double): Cast BASE to
1083 (HOST_WIDE_INT) when comparing against one.
1085 * gencheck.c: Include gansidecl.h.
1086 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1088 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1089 `tcode' with ATTRIBUTE_UNUSED.
1091 * real.c (edivm): Cast constant value to (unsigned long) in
1092 expression compared against an unsigned value.
1094 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1095 comparing against one.
1096 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1097 when comparing against one.
1099 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1100 (unsigned int) when comparing against one. Likewise for
1102 (smallest_mode_for_size): Likewise.
1103 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1104 (restore_storage_status): Likewise.
1106 * toplev.c (debug_args): Add missing initializer.
1107 (f_options): Spelling correction. Add missing initializers.
1108 (documented_lang_options): Likewise.
1109 (debug_end_source_file): Mark parameter `lineno' with
1112 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1113 `decl' and `type' with ATTRIBUTE_UNUSED.
1115 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1116 when comparing against one.
1117 (assemble_variable): Mark parameter `top_level' with
1119 (assemble_external_libcall): Mark parameter `fun' with
1121 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1124 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1126 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1127 Replace use of r5 with use of r19.
1129 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1131 * config/v850/v850.c (compute_register_save_size): Allow for the
1132 fact that helper functions save all registers, not just those used
1135 Replace constant 31 with macro LINK_POINTER_REGNUM.
1137 * config/v850/v850.md: Use 'indirect_operand' rather than
1138 'memory_operand' for bit test/set/clear patterns.
1140 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1142 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1143 * varasm.c (assemble_start_function et al): Don't call
1144 ASM_GLOBALIZE_LABEL for weak symbols.
1146 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1148 * cse.c (equiv_constant): Check for NULL return from
1149 gen_lowpart_if_possible().
1151 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1153 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1155 * collect2.c (main): Pass -EL/-EB through to the compiler.
1157 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1159 * expr.c (push_block): Handle targets where the stack grows
1160 to higher addresses, but args grow to lower addresses and
1161 ACCUMULATE_OUTGOING_ARGS is not defined.
1163 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1165 * config/v850/v850.c (print_operand): Extend meaning
1166 of 'c' operands to support .vtinherit.
1168 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1170 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1171 Added ATTRIBUTE_UNUSED to unused function arguments.
1172 (rc_reg_operand): New predicate.
1173 (c4x_rptb_insert): New function.
1174 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1175 (c4x_optimization_options): New function.
1177 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1178 (decrement_and_branch_on_count): New pattern.
1179 (rptb_top): Modified pattern to work with BCT optimization.
1181 * config/c4x/c4x.h (RC_REG): New register class.
1182 (rc_reg_operand): Define prototype.
1183 (IS_RC_REG): New macro.
1184 (IS_RC_OR_PSEUDO_REG): New macro.
1185 (IS_RC_OR_PSEUDO_REGNO): New macro.
1186 (OPTIMIZATION_OPTIONS): Define.
1188 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1190 * collect2.c (extract_init_priority): No priority is 65535.
1192 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1194 * Makefile.in (build_tooldir): new variable, same as old
1195 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1196 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1197 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1199 * configure.in (gxx_include_dir): set default based on unlibsubdir
1200 * Makefile.in (tooldir): ditto
1201 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1202 gxx_include_dir, includedir and tooldir
1203 (protoize.o, unprotoize.o): ditto
1205 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1207 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1209 * config/arm/thumb.c (thumb_override_options): Add warning about
1210 PIC code not being supported just yet.
1212 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1214 * flow.c: Update comment.
1215 (notice_stack_pointer_modification): New static function.
1216 (record_volatile_insns): Use it.
1217 (mark_regs_live_at_end): Mark the stack pointer as alive
1218 at the end of the function if current_function_sp_is_unchanging
1220 (life_analysis_1): Set current_function_sp_is_unchanging.
1221 * function.c: Define it.
1222 (init_function_start): Initialize it.
1223 * output.h: Declare it.
1224 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1225 the stack pointer as alive at the end of the function if
1226 current_function_sp_is_unchanging is set.
1227 * i386.c (ix86_epilogue): Optimize the restoring
1228 of the stack pointer.
1230 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1232 * version.c: Bump for snapshot.
1234 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1236 * c-pragma.c (handle_pragma_token): If passed a token instead
1237 of a tree, use that as the pack value.
1239 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1241 * flow.c (find_basic_blocks_1): Fix prototype.
1243 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1245 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1246 (struct tree_decl): New fields no_check_memory_usage.
1247 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1248 (init_attributes): Register it as a new attribute.
1249 (decl_attributes): Set flags on functions given that attribute.
1250 * c-decl.c (duplicate_decls): Merge new attribute.
1251 * expr.h (current_function_check_memory_usage): Declare new var.
1252 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1253 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1254 current_function_check_memory_usage.
1255 * function.h: Add field to struct function.
1256 * function.c (current_function_check_memory_usage): Define it.
1257 (push_function_context_to, pop_function_context_from): Save and
1259 (expand_function_start): Set it, based on global flag and function
1262 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1263 check non-automatic variables, to permit detection of writes to
1264 read-only locations in embedded systems without memory management.
1265 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1266 when emitting chkr_set_right_libfunc call, even if the argument is
1267 BLKmode or variable-sized; don't abort.
1269 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1270 symbols in Pmode, not VOIDmode.
1272 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1274 * cppexp.c: When forcing unsigned comparisons, cast both sides
1277 * cpphash.h: Move static declaration of hashtab[]...
1278 * cpphash.c: ...here.
1280 * cpplib.c: Cast difference of two pointers to size_t before
1281 comparing it to size_t. Cast signed to unsigned
1282 before comparing to size_t. (FIXME: struct argdata should use
1283 unsigned buffer sizes.)
1284 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1285 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1286 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1287 size_t before comparison.
1289 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1291 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1292 (find_basic_blocks_1): Similarly.
1293 * output.h (find_basic_blocks): Fix prototype.
1294 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1295 find_basic_blocks anymore.
1297 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1299 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1300 (sbitmap_free, sbitmap_vector_free): New macros.
1301 * output.h (rtl_dump_file): Declare.
1303 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1305 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1307 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1309 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1311 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1312 (divide): Remove unused variable `tmp'.
1313 (si_to_float): Cast numeric constant to (SItype) before comparing
1316 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1318 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1319 * gcc.c (add_preprocessor_option): Correct typo when allocating
1320 memory, sizeof() argument had one too many `*'.
1321 (add_assembler_option): Likewise.
1322 (add_linker_option): Likewise.
1323 * gcov.c (output_data): Likewise.
1324 * local-alloc.c (memref_used_between_p): Likewise.
1325 (update_equiv_regs): Likewise.
1326 * loop.c (strength_reduce): Likewise.
1327 * reg-stack.c (record_asm_reg_life): Likewise.
1328 (subst_asm_stack_reg): Likewise.
1329 * reorg.c (dbr_schedule): Likewise.
1331 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1333 * flow.c (life_analysis_1): Break out some functions.
1334 (find_basic_blocks_1): Likewise. Also move some variables out and
1336 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1337 new static var nonlocal_label_list with it.
1338 (active_eh_region, nested_eh_region, label_value_list,
1339 nonlocal_label_list): New static variables.
1340 (make_edges, delete_unreachable_blocks, delete_block): New static
1341 functions, broken out of find_basic_blocks_1.
1342 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1343 noop_move_p): New static functions, broken out of life_analysis_1.
1345 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1347 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1348 Take extra care for op0 now possibly being a subreg.
1349 (extract_bit_field): Likewise.
1350 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1351 the reg to memory if there is no equal sized integral mode.
1352 * stor-layout.c (int_mode_for_mode): New function.
1353 * machmode.h: Prototype it.
1355 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1357 * global.c (build_insn_chain): Verify no real insns exist past the
1358 end of the last basic block, then exit the loop.
1360 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1362 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1364 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1366 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1368 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1370 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1372 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1374 * flow.c (find_basic_blocks): Correctly determine when a call
1375 is within an exception region.
1377 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1379 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1381 * cpplib.h: Protect from multiple inclusions.
1382 * cpplib.c: Fix minor formatting problems.
1384 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1386 * jump.c (jump_optimize): Revert accidental patch.
1388 * Makefile.in (cpplib.o): Use unlibsubdir.
1390 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1392 * loop.c (get_condition): Allow combine when either compare is
1395 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1397 * version.c: Bump for snapshot.
1399 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1401 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1402 (init_lex): Initialize ridpointers[RID_BYREF].
1403 * c-lex.h (enum rid): Add RID_BYREF.
1404 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1405 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1406 (encode_type_qualifiers): Similarly
1407 * c-gperf.h: Rebuilt.
1409 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1411 * c-common.c (type_for_mode): Only return TItype nodes when
1412 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1413 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1414 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1415 (init_decl_processing): Only create TItype nodes when
1416 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1417 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1418 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1420 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1422 * stmt.c (n_occurrences): New static function.
1423 (expand_asm_operands): Verify that all constrains match in the
1424 number of alternatives.
1425 Verify that '+' or '=' are at the beginning of an output constraint.
1426 Don't allow '&' for input operands.
1427 Verify that '%' isn't written for the last operand.
1428 * reload.c (find_reloads): Abort if an asm is found with invalid
1429 constraints; all possible problems ought to be checked for earlier.
1431 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1433 * flags.h (flag_branch_on_count_reg): Always declare
1434 * toplev.c (flag_branch_on_count_reg): Likewise.
1435 * toplev.c: Fix typos.
1437 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1440 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1442 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1444 (find_basic_blocks_1): Add a nop to the end of a basic block when
1445 a trailing call insn does not have abnormal control flow.
1446 * gcse.c (pre_transpout): New variable.
1447 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1448 (compute_pre_transpout): Calculate it.
1449 (compute_pre_ppinout): Use it to eliminate impossible placements
1450 due to abnormal control flow through calls.
1451 (compute_pre_data): Call compute_pre_transpout.
1453 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1455 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1457 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1459 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1460 and matching define_insns): Tack on a `use' of the table label, so
1461 flow analysis will recognize a tablejump.
1463 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1465 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1466 always end basic blocks for abnormal edge reasons.
1468 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1470 * config/i386/i386.h: Remove definition of
1471 HANDLE_PRAGMA_PACK_PUSH_POP.
1473 * config/i386/go32.h: Add definition of
1474 HANDLE_PRAGMA_PACK_PUSH_POP.
1476 * config/i386/win32.h: Add definition of
1477 HANDLE_PRAGMA_PACK_PUSH_POP.
1479 * config/i386/cygwin32.h: Add definition of
1480 HANDLE_PRAGMA_PACK_PUSH_POP.
1482 * c-pragma.c (insert_pack_attributes): Do not insert
1483 attributes unless #pragma pack(push,<n>) is in effect.
1485 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1487 * expr.c (emit_group_store): Handle a PARALLEL destination.
1489 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1491 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1492 the new insns before the argument regs are loaded.
1494 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1496 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1497 (c-parse.gperf): Update comments describing invocation flags.
1498 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1500 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1502 * reload1.c (reload): Call free before clobbering the memory
1503 locations or constants pointers.
1505 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1507 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1508 for efficiency by checking whether we need to modify the current
1509 stack permission at all.
1510 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1511 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1512 __enable_execute_stack libcall here too if
1513 TRANSFER_FROM_TRAMPOLINE is defined.
1514 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1517 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1519 * Makefile.in (DRIVER_DEFINES): Remove last change.
1521 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1523 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1524 insns we're going to copy.
1525 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1527 * loop.c (count_one_set): Add prototype.
1529 * caller-save.c (restore_referenced_regs): Lose mode argument.
1530 (insert_save): Lose mode argument.
1531 (insert_restore): Lose mode argument.
1532 (insert_one_insn): Lose mode argument.
1533 (save_call_clobbered_regs): Lose mode argument.
1534 (setup_save_areas): Take no argument and return void. All callers
1536 Don't verify validity of memory addresses.
1537 * reload.h (setup_save_ares): Adjust prototype.
1538 (save_call_clobbered_regs): Likewise.
1539 * reload1.c (delete_caller_save_insns): New function.
1540 (caller_save_spill_class): Delete variable.
1541 (caller_save_group_size): Delete variable.
1542 (reload): Call setup_save_areas and save_call_clobbered_regs
1543 in the main loop, before calling calculate_needs_all_insns.
1544 Don't call save_call_clobbered_regs after the loop.
1545 Call delete_caller_save_insns at the end of an iteration if
1547 Delete code to manage caller_save_spill_class.
1548 Emit the final note before setting reload_first_uid.
1549 Simplify test that determines whether reload_as_needed gets run.
1550 (calculate_needs): Delete code to manage caller_save_spill_class.
1552 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1554 * collect2.c (main): Initialize ld_file_name.
1556 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1558 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1559 check for flag_function_sections.
1561 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1563 * cse.c (insert_regs): Fix bug in Sep 24 change.
1565 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1567 * flags.h (flag_dump_unnumbered): Declare.
1568 * toplev.c (flag_dump_unnumbered): Don't declare.
1569 * print-rtl.c (flags.h): Include.
1570 (print_rtl_single): Add return value.
1571 * rtl.h (print_rtl_single): Update declaration.
1572 * flow.c (flag_dump_unnumbered): Don't declare.
1573 (print_rtl_with_bb): Use return value of print_rtl_single.
1575 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1577 * loop.c (count_one_set): New static function, broken out of
1579 (count_loop_regs_set): Call it.
1580 * global.c (mark_reg_store): Handle clobbers here by not calling
1582 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1583 is in fact a clobber.
1584 * integrate.c (process_reg_param): New function, broken out of
1585 expand_inline_function.
1586 (expand_inline_function): Call it.
1589 * i386.md (addsidi3_1): Delete unused variable temp.
1590 (addsidi3_2): Likewise.
1591 (clstrstrsi): Delete unused variable addr1.
1593 * rtl.h: Don't declare any functions also declared in recog.h.
1595 * Makefile.in (stupid.o): Update dependencies.
1596 (global.o): Likewise.
1598 * global.c: Include reload.h
1599 (reg_becomes_live): New function.
1600 (reg_dies): New function.
1601 (build_insn_chain): New function.
1602 (global_alloc): Call build_insn_chain before calling reload.
1604 * reload.h (struct needs): New structure definition.
1605 (struct insn_chain): Likewise.
1606 (reload_insn_chain): Declare variable.
1607 (new_insn_chain): Declare function.
1610 * reload1.c (reload_startobj): New variable.
1611 (reload_insn_chain): New variable.
1612 (unused_insn_chains): New variable.
1613 (new_insn_chain): New function.
1614 (init_reload): Initialize reload_startobj, not reload_firstobj.
1615 (reload): Initialize reload_firstobj.
1616 Before returning, free everything on the reload_obstack.
1618 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1619 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1620 current_chain): New variables.
1621 (reg_where_born): Delete variable.
1622 (REG_WHERE_BORN): New macro.
1623 (find_clobbered_regs): New function.
1624 (stupid_life_analysis): Don't allocate/free reg_where_born.
1625 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1626 reg_where_dead_chain.
1627 Use REG_WHERE_BORN instead of reg_where_born.
1628 While processing the insns, build the reload_insn_chain with
1629 information about register lifetimes.
1630 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1631 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1633 Compute and information about birth and death of pseudo registers in
1634 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1635 Delete code to set elements of reg_where_born.
1637 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1639 * tree.def (GOTO_EXPR): Modified documentation.
1640 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1643 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1645 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1646 loop_final_value, loop_comparison_code): No longer static.
1647 (unroll_loop): Delete loop_start_value update.
1648 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1649 loop_final_value, loop_comparison_code): Extern.
1650 (loop_start_value): Delete extern.
1651 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1652 loop_comparison_value, loop_comparison_code): Delete.
1653 (loop_optimize): Remove initialization for deleted variables.
1654 (strength_reduce): Delete analyze_loop_iterations call. Only call
1655 insert_bct if flag_branch_count_on_reg set.
1656 (analyze_loop_iterations): Delete.
1657 (insert_bct): Remove iteration count calculation. Move checks for
1658 viable BCT optimization to here. Obtain iteration count from
1659 loop_iterations and correct for unrolling. Check for enough
1660 iteration to be beneficial. Comment out runtime iteration count
1662 (insert_bct): Print iteration count in dump file. Remove
1663 loop_var_mode and use word_mode directly.
1665 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1666 * rs6000.c (rs6000_override_options): Use it.
1667 (optimization_options): Enable use of flag_branch_on_count_reg.
1668 * rs6000.md (define_function_unit): Describe 604e.
1670 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1672 * loop.c (move_movables): Corrected threshold calculation for
1673 moved_once registers.
1675 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1677 * loop.c (combine_givs_p): Fix test for identical givs.
1679 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1681 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1682 call abort if the function is already defined.
1684 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1686 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1687 truncation is not a no-op.
1689 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1691 * version.c: Bump for snapshot.
1693 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1695 * version.c: Bump for snapshot.
1697 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1699 * expmed.c (expand_divmod): Don't widen for computing remainder
1700 if we seem to have a divmod pattern for needed mode.
1702 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1704 * cpplib.c (macroexpand): Correct off-by-one error in handling
1707 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1709 * combine.c (expand_field_assignment): Don't do bitwise operations
1710 on MODE_FLOAT; pun to MODE_INT if possible.
1712 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1713 scott snyder <snyder@d0sgif.fnal.gov>
1715 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1716 linker. Recognize mangled names in quotes.
1718 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1720 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1721 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1722 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1723 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1725 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1727 * function.c (purge_addressof_1): If trying to take a sub-word
1728 integral piece of a floating point mode, put it on the stack.
1730 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1732 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1734 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1736 * PROJECTS: Remove template friends.
1738 * collect2.c (sort_ids): Remove unused variable.
1740 * tm.texi (MATH_LIBRARY): Document.
1741 (NEED_MATH_LIBRARY): Remove.
1743 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1744 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1746 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1748 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1749 last_end to 0x7fffffff.
1751 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1753 * function.c (purge_addressof_1): Do not perform endianness
1754 corrections on bitpos, who we call will do it for us.
1756 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1758 * h8300.c (WORD_REG_USED): Fix typo.
1759 (initial_offset): Use WORD_REG_USED.
1761 * h8300.c (handle_pragma): Fix typo.
1763 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1765 * caller-save.c (insert_save_restore): Break this function up
1766 into new functions insert_restore, insert_save and insert_one_insn.
1767 All callers changed.
1768 (insert_restore): New function, mostly broken out of
1769 insert_save_restore.
1770 (insert_save): Likewise.
1771 (insert_one_insn): Likewise.
1772 (restore_referenced_regs): New argument BLOCK. All callers changed.
1773 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1774 in this function, do it in insert_one_insn instead.
1776 * reload1.c (reload): Break out some more pieces into separate
1778 (dump_needs): New function, broken out of reload.
1779 (set_initial_elim_offsets): Likewise.
1780 (init_elim_table): Likewise.
1781 (update_eliminables): Likewise.
1783 * global.c (global_alloc): Delete code to manage the scratch_list.
1784 * local-alloc.c (qty_scratch_rtx): Delete.
1785 (scratch_block): Delete.
1786 (scratch_list): Delete.
1787 (scratch_list_length): Delete.
1788 (scratch_index): Delete.
1789 (alloc_qty_for_scratch): Delete.
1790 (local-alloc): Update initialization of max_qty.
1791 Delete code to manage the scratch list.
1792 Delete code to allocate/initialize qty_scratch_rtx.
1793 (block_alloc): Don't allocate quantities for scratches.
1794 Delete code to manage the scratch list.
1795 * regs.h (scratch_list): Delete declaration.
1796 (scratch_block): Delete declaration.
1797 (scratch_list_length): Delete declaration.
1798 * reload1.c (reload): Delete code to manage the scratch list.
1799 (spill_hard_reg): Likewise.
1800 (mark_scratch_live): Delete.
1802 * recog.c (alter_subreg): Delete declaration.
1804 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1806 * Makefile.in (cccp.o): Fix typo in last patch.
1808 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1810 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1811 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1813 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1815 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1816 NULL_RTX as an argument.
1818 * Makefile.in (unlibsubdir): Define.
1819 (DRIVER_DEFINES): Use unlibsubdir.
1820 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1821 (stmp-fixinc): Similarly.
1823 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1825 * regmove.c (regmove_optimize): Add variable old_max_uid.
1826 At the end of the function, update basic_block_end.
1828 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1830 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1831 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1834 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1836 * config/arm/arm.c: Improve interworking support.
1838 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1840 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1841 copied from reload_out[r] .
1843 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1845 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1846 with more than three size ranges.
1848 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1850 * rtl.c (mode_name): Add a null string at the end of the array.
1851 (mode_wider_mode): Change type to unsigned char.
1852 (mode_mask_array): New variable.
1853 (init_rtl): Update for mode_wider_mode type change.
1855 * rtl.h (mode_wider_mode): Change type to unsigned char.
1856 (mode_mask_array): Declare.
1857 (GET_MODE_MASK): Use mode_mask_array.
1859 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1861 * calls.c (expand_call) : Encapsulate code into
1862 copy_blkmode_from_reg.
1863 * expr.c (copy_blkmode_from_reg): New function.
1864 * expr.h (copy_blkmode_from_reg): New function.
1865 * integrate.c (function_cannot_inline_p): We can inline
1867 (expand_inline_function): Use copy_blkmode_from_reg
1868 if needed. Avoid creating BLKmode REGs.
1869 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1872 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1874 * config/v850/v850.c: Add function prototypes.
1875 Add support for v850 special data areas.
1877 * config/v850/v850.h: Add support for v850 special data areas.
1879 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1880 HANDLE_PRAGMA_PACK_PUSH_POP.
1881 (push_alignment): New function: Cache an alignment requested
1882 by a #pragma pack(push,<n>).
1883 (pop_alignment): New function: Pop an alignment from the
1885 (insert_pack_attributes): New function: Generate __packed__
1886 and __aligned__ attributes for new decls whilst a #pragma pack
1888 (add_weak): New function: Cache a #pragma weak directive.
1889 (handle_pragma_token): Document calling conventions. Add
1890 support for #pragma pack(push,<n>) and #pragma pack (pop).
1892 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1893 are defined enable HANDLE_PRAGMA_PACK.
1894 Move 'struct weak_syms' here (from varasm.c).
1895 Add pragma states for push and pop pragmas.
1897 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1900 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1901 HANDLE_GENERIC_PRAGMAS.
1903 * varasm.c: Move definition of 'struct weak_syms' into
1905 (handle_pragma_weak): Deleted.
1907 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1909 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1911 * c-decl.c (start_function): Add invocation of
1912 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1914 * tm.texi: Remove description of non-existant macro
1915 SET_DEFAULT_SECTION_NAME.
1917 (HANDLE_SYSV_PRAGMA): Document.
1918 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1920 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1922 * config.sub: Recognize i[34567]86-pc-udk as new target.
1923 * configure.in: Likewise.
1924 * config/i386/t-udk: New file.
1925 * config/i386/udk.h: New file.
1927 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1929 * reorg.c (check_annul_list_true_false): Remove unused variables.
1930 (steal_delay_list_from_target): Add missing "used_annul" variable.
1931 (try_merge_delay_insns): Close out half formed comment.
1933 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1935 * cpplib.c (macroexpand): If arg->raw_before or
1936 arg->raw_after, remove any no-reexpansion escape at the
1937 beginning of the pasted token. Correct handling of whitespace
1938 markers and no-reexpand markers at the end if arg->raw_after.
1940 * toplev.c (documented_lang_options): Recognize -include,
1941 -imacros, -iwithprefix, -iwithprefixbefore.
1942 * cpplib.c (cpp_start_read): Process -imacros and -include
1943 switches at the same time and in command-line order, after
1944 initializing the dependency-output code. Emit properly nested
1945 #line directives for them. Emit a #line for the main file
1946 before processing these switches, and don't do it again
1949 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1951 * function.c (purge_addressof_1): Use bitfield manipulation
1952 routines to handle mem mode < reg mode.
1954 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1956 * reorg.c (try_merge_delay_insns): Account for resources referenced
1957 in each instruction in INSN's delay list before trying to eliminate
1958 useless instructions. Similarly when looking at a trial insn's delay
1961 * reorg.c (check_annul_list_true_false): New function.
1962 (steal_delay_list_from_{target,fallthrough}): Call it and also
1963 refine tests for when we may annul if already filled a slot.
1964 (fill_slots_from_thread): Likewise.
1965 (delete_from_delay_slot): Return newly-created thread.
1966 (try_merge_delay_isns): Use its new return value.
1968 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1970 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1971 used to compute a giv or as some other non-counting use.
1973 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1975 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1976 * local-alloc.c (find_free_reg): Use it.
1977 * global.c (find_reg): Likewise.
1978 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1980 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1981 * caller-save.c (init_caller_save): Use it.
1982 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1984 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1986 * configure.in: Add --enable-cpplib option which uses cpplib
1987 for cpp, but doesn't link cpplib into cc1. Make help text
1988 capitalization consistent.
1989 * configure: Rebuilt.
1991 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1993 * function.c (gen_mem_addressof): If the address REG is
1994 REG_USERVAR_P make the new REG be so also.
1995 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1996 in an attempt to clarify slightly.
1998 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2000 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2001 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2003 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2005 * toplev.c: Fix last patch.
2007 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2009 * loop.c (get_condition): Fix typo in May 9 change.
2011 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2013 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2015 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2017 * toplev.c (documented_lang_options): Spelling corrections.
2019 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2021 * configure.in: new flags --with-ld and --with-as, equivalent
2022 to setting LD and AS environment variables. Test whether
2023 specified arguments are GNU commands, and report them with
2024 checking messages. Use the specified AS for configure
2027 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2029 * gcc.c (find_a_file): when looking for `as' and `ld', return
2030 the DEFAULT program if it exists
2031 * collect2.c (main): use DEFAULT_LINKER if it exists
2033 * gcc.c (find_a_file): the test for existence of a full
2034 pathname was reversed
2036 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2038 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2039 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2041 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2043 * tree.h (TYPE_BINFO): Document.
2045 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2047 * i386-coff.h (dbxcoff.h): Added.
2049 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2051 * toplev.c: fix bad patch around flag_data_sections.
2053 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2055 * reload1.c (reload): Use reload_address_index_reg_class and
2056 reload_address_base_reg_class when setting
2057 caller_save_spill_class. (Patch generated by Jim Wilson:
2060 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2062 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2063 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2064 * expr.c (store_field): Add alias_set parameter. Set the
2065 MEM_ALIAS_SET accordingly, if the target is a MEM.
2066 (expand_assignment): Use it.
2067 (store_constructor_field): Pass 0.
2068 (expand_expr): Likewise.
2070 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2072 * flags.h: Add flag_data_sections.
2073 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2074 (compile_file): Error if flag_data_sections not supported.
2075 * varasm.c (assemble_variable): Handle flag_data_sections.
2076 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2077 * config/mips/elf.h: Likewise.
2078 * config/mips/elf64.h: Likewise.
2079 * invoke.texi: Describe -fdata-sections.
2081 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2083 * invoke.texi (-ffloat-store): Clarify that this option
2084 does not affect intermediate results -- only variables.
2086 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2088 * cpp.texi: Update for Fortran usage from Craig.
2090 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2092 * rs6000.c (function_arg_boundary): Revert accidental change on
2095 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2097 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2098 (output_mi_thunk): Declare.
2100 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2101 (output_function_profiler): Use r12 for temp, instead of r11 so
2102 that we preserve the static chain register.
2104 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2106 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2108 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2110 * sh.c (gen_shl_sext): Fix case 5.
2112 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2114 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2116 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2118 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2119 accessing variables until they are initialized via va_arg().
2121 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2123 * reload1.c (reload_combine): Initialize set before using.
2125 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2127 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2130 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2132 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2133 operand3 with mask before using it. Patch provided by Jim Wilson.
2135 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2137 * config/sparc/sparc.c (function_value): Perform the equivalent of
2138 PROMOTE_MODE for ARCH64.
2139 (eligible_for_epilogue_delay): Allow DImode operations in delay
2140 slot of a return for ARCH64.
2142 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2144 * sh.md (sqrtsf2): Fix mode of sqrt.
2146 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2148 * reload1.c (choose_reload_regs): Also try inheritance when
2149 reload_in is a stack slot of a pseudo, even if we already got a
2152 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2154 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2155 (reload_cse_regs): New function body: call reload_cse_regs_1,
2156 reload_combine, reload_cse_move2add.
2157 When doing expensive_optimizations, call reload_cse_regs_1 a
2158 second time after reload_cse_move2add.
2159 (reload_combine, reload_combine_note_store): New functions.
2160 (reload_combine_note_use): New function.
2161 (reload_cse_move2add, move2add_note_store): New functions.
2163 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2165 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2166 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2168 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2169 more than 3 such reloads.
2171 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2172 RELOAD_FOR_X_ADDR_ADDR reload.
2174 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2176 * expr.c (store_constructor): When initializing a field that is smaller
2177 than a word, at the start of a word, try to widen it to a full word.
2179 * cse.c (cse_insn): When we are about to change a register,
2180 remove any invalid references to it.
2182 (remove_invalid_subreg_refs): New function.
2183 (mention_regs): Special treatment for SUBREGs.
2184 (insert_regs): Don't strip SUBREG for call to mention_regs.
2185 Check if reg_tick needs to be bumped up before that call.
2186 (lookup_as_function): Try to match known word_mode constants when
2187 looking for a norrower constant.
2188 (canon_hash): Special treatment for SUBREGs.
2190 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2192 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2193 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2194 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2195 and offsets in actual stack trampoline code so they match the
2196 commentary and actually work.
2198 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2200 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2202 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2203 tmake_file. Set extra_parts to needed crt objects.
2204 * configure: Rebuilt.
2205 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2206 (TARGET_DEFAULT): Set if default is v9 or ultra.
2207 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2208 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2209 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2210 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2211 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2212 (TARGET_VERSION): Define.
2213 (MULTILIB_DEFAULT): Define.
2214 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2215 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2216 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2218 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2219 * config/sparc/sparc.c (sparc_override_options): If arch and
2220 pointer size disagree, emit diagnostic and fix it up. If
2221 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2222 V8PLUS in 64-bit mode.
2223 * config/sparc/t-linux64: New file.
2224 * config/sparc/t-sol2-64: New file.
2225 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2226 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2227 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2228 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2229 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2230 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2232 (STARTFILE_SPEC): Set approriately based upon those.
2233 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2234 disposition of DEFAULT_ARCH32_P.
2235 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2236 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2237 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2238 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2239 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2241 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2243 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2245 * rtl.h (init_virtual_regs): New function.
2246 * emit-rtl.c (init_virtual_regs): Define.
2247 (insn_emit): Use it.
2248 * integrate.c (save_for_inline_copying): Likewise.
2250 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2252 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2253 (enum reg_class): Add NONARG_LO_REGS support.
2254 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2255 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2256 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2257 completes. Re-enable HImode REG+OFFSET addresses.
2258 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2260 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2262 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2264 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2265 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2266 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2268 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2270 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2271 jumps as a single entity, taking into account the size of the
2274 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2276 * tree.def (SWITCH_EXPR): New tree node definition.
2278 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2280 * version.c: Bump for snapshot.
2282 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2284 * version.c: Bump for snapshot.
2286 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2288 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2291 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2293 * Revert this patch.
2294 * reload.c (find_reloads): Do not replace a pseudo with
2295 (MEM (reg_equiv_addr)) in the initializing insn for the
2298 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2300 * final.c (final_scan_insn): Disable tracking CC across branches.
2302 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2304 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2305 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2306 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2307 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2308 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2310 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2312 * toplev.c (rest_of_compilation): Skip compiling anything with
2313 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2315 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2317 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2318 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2319 use in_libcall_block.
2320 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2321 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2324 Mon Sep 21 14:02:23 1998
2326 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2327 typo in no-fancy-math-387 description.
2329 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2331 * version.c: Bump for snapshot.
2333 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2335 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2337 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2339 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2340 documented in install.texi.
2341 (TARGET_OPTIONS) Likewise.
2343 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2345 * version.c: Bump for snapshot.
2347 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2349 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2350 * cccp.c (main): Likewise.
2352 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2353 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2356 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2358 * Makefile.in (LIBS): Link in libiberty.a.
2359 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2361 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2363 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2364 it to update bb boundaries. Update caller.
2365 * function.c (reposition_prologue_and_epilogue_notes): Update
2366 bb boundaries wrt the moved note.
2368 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2370 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2372 * configure: Regenerate.
2374 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2376 * alpha.c (alpha_sr_alias_set): New variable.
2377 (override_options): Set it.
2378 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2379 (mode_mask_operand): Fix signed-unsigned comparision warning.
2380 (alpha_expand_block_move): Likewise.
2381 (print_operand): Likewise.
2382 (get_aligned_mem): Use change_address.
2383 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2384 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2385 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2386 (alpha_align_insns): Remade from old alphaev5_align_insns
2387 to handle multiple processors.
2388 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2389 * output.h (label_to_alignment): Prototype.
2391 * tree.c (new_alias_set): New function.
2392 * tree.h (new_alias_set): Declare it.
2393 * c-common.c (c_get_alias_set): Use it.
2395 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2397 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2398 to an ABS expr, convert an unsigned input to signed.
2400 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2402 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2404 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2406 * configure.in: Add support for c4x targets.
2407 * configure: Rebuilt.
2409 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2411 * combine.c (distribute_notes): If an insn is a cc0 user, only
2412 delete it if we can also delete the cc0 setter.
2414 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2416 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2417 (invert_truthvalue): Enable truthvalue inversion for
2418 floating-point operands if -ffast-math.
2420 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2422 * configure.in: Disable collect2 for nextstep. Instead use
2424 * configure: Rebuilt.
2425 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2426 (ENDFILE_SPEC): Define.
2427 (OBJECT_FORMAT_MACHO): Define.
2428 (EH_FRAME_SECTION_ASM_OP): Define.
2429 * crtstuff.c: Handle MACHO.
2431 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2433 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2435 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2437 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2438 (_fpadd_parts): Get sign right for 0.
2440 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2442 * ginclude/varargs.h: Add support for C4x target.
2443 * ginclude/stdargs.h: Likewise.
2445 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2447 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2448 (alpha_emit_set_long_const): Rewrite to be callable from reload
2450 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2451 * alpha.md (movdi): Likewise.
2453 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2455 * arm.c (add_constant): New parameter address_only, change caller.
2456 Set it non-zero if taking the address of an item in the pool.
2457 (arm_reorg): Handle cases where we need the address of an item in
2460 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2462 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2463 memory addresses that are not in standard canonical form.
2465 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2467 * README.C4X: New file with information about the c4x ports.
2468 * ginclude/va-c4x.h: New file for c4x varargs support.
2469 * config/c4x: New directory with c4x port files.
2471 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2473 * reload.c (find_reloads): Do not replace a pseudo with
2474 (MEM (reg_equiv_addr)) in the initializing insn for the
2477 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2479 * toplev.c (rest_of_compilation): Set bct_p on second call to
2481 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2483 (strength_reduce): Only call analyze_loop_iterations and
2484 insert_bct if bct_p set.
2485 (check_dbra_loop): Fix typo.
2486 (insert_bct): Use word_mode instead of SImode.
2487 (instrument_loop_bct): Likewise. Do not delete iteration count
2488 condition code generation insn. Initialize iteration count before
2490 * rtl.h (loop_optimize): Update prototype.
2492 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2493 not doubleword aligned.
2495 * rs6000.c (optimization_options): New function.
2496 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2497 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2498 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2499 first; cr1 can be used for FP record condition insns.
2501 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2503 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2506 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2509 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2511 (block_move_call): New function: Call a library routine to copy a
2513 (m32r_expand_block_move): New function: Expand a "movstrsi"
2514 pattern into a sequence of insns.
2515 (m32r_output_block_move): New function: Expand a
2516 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2517 (m32r_block_immediate_operand): New function: Return true if the
2518 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2520 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2522 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2524 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2526 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2528 * regmove.c (copy_src_to_dest): Check that modes match.
2530 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2532 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2534 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2536 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2537 narrower than FLOAT_REGS.
2539 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2541 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2543 * Makefile.in (old_gxx_include_dir): removed
2545 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2547 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2550 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2551 (sh_handle_pragma): Change function arguments to match new
2552 specification for HANDLE_PRAGMA.
2554 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2556 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2558 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2559 When generating output, initialize missing struct member to zero.
2561 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2563 * regmove.c (copy_src_to_dest): Don't copy if that requires
2564 (a) new register(s).
2566 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2568 * global.c (reg_allocno): Now static.
2569 * reload1.c (reg_allocno): Delete declaration.
2570 (order_regs_for_reload): Take no arguments. Don't treat regs
2571 allocated by global differently than those allocated by local-alloc.
2573 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2575 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2576 condition, fix format strings.
2577 (output_function_epilogue): Likewise.
2579 * m68k/m68k.c: Don't include <stdlib.h> directly.
2581 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2583 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2584 mem_first_set, mem_last_set; because 0 can be a CUID.
2585 (oprs_unchanged_p): Use new definition.
2586 (record_last_reg_set_info): Likewise.
2587 (record_last_mem_set_info): Likewise.
2588 (compute_hash_table): Likewise.
2590 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2592 * rs6000.c (output_epilogue): Handle Chill.
2594 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2595 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2597 * combine.c (make_extraction): If no mode is specified for
2598 an operand of insv, extv, or extzv, default it to word_mode.
2599 (simplify_comparison): Similarly.
2600 * expmed.c (store_bit_field): Similarly.
2601 (extract_bit_field): Similarly.
2602 * function.c (fixup_var_regs_1): Similarly.
2603 * recog.c (validate_replace_rtx_1): Similarly.
2604 * mips.md (extv, extzv, insv expanders): Default modes for most
2605 operands. Handle TARGET_64BIT.
2606 (movdi_uld, movdi_usd): New patterns.
2608 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2609 equivalent memory location unless we have been provided a scratch
2610 register. Similarly do not call find_replacement unless a
2611 scratch register has been provided.
2613 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2615 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2618 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2620 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2621 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2622 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2623 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2624 * c-decl.c (init_decl_processing): Update accordingly.
2625 * expr.c (expand_builtin): Likewise.
2627 * rtl.h (global_rtl): Add cfa entry.
2628 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2629 (LAST_VIRTUAL_REGISTER): Update.
2630 * emit-rtl.c (global_rtl): Add cfa entry.
2631 (init_emit): Initialize it.
2632 * function.c (cfa_offset): New.
2633 (instantiate_virtual_regs): Initialize it.
2634 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2635 (expand_function_end): Call expand_eh_return.
2636 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2638 * except.c (current_function_eh_stub_label): Kill.
2639 (current_function_eh_old_stub_label): Likwise; update all references.
2640 (expand_builtin_set_return_addr_reg): Kill.
2641 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2642 (expand_builtin_set_eh_regs): Kill.
2643 (eh_regs): Produce a third reg for the actual handler address.
2644 (eh_return_context, eh_return_stack_adjust): New.
2645 (eh_return_handler, eh_return_stub_label): New.
2646 (init_eh_for_function): Initialize them.
2647 (expand_builtin_eh_return, expand_eh_return): New.
2648 * except.h: Update prototypes.
2649 * flow.c (find_basic_blocks_1): Update references to the stub label.
2650 * function.h (struct function): Kill stub label elements.
2652 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2653 register number is one that would be in the previous window.
2654 Provide a dummy definition for non-windowed targets.
2655 (get_reg_addr): New function.
2656 (get_reg, put_reg, copy_reg): Use it.
2657 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2658 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2660 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2661 (alpha_init_expanders): Initialize it.
2662 (alpha_expand_epilogue): Use it.
2663 * alpha.h: Declare it.
2664 * alpha.md (eh_epilogue): New.
2666 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2667 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2669 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2671 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2674 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2676 * except.h (struct eh_entry): Add false_label field.
2677 (end_catch_handler): Add prototype.
2678 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2679 (start_catch_handler): When using old style exceptions, issue
2680 runtime typematch code before continuing with the handler.
2681 (end_catch_handler): New function, generates label after handler
2682 if needed by older style exceptions.
2683 (expand_start_all_catch): No need to check for new style exceptions.
2684 (output_exception_table_entry): Only output the first handler label
2685 for old style exceptions.
2686 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2687 mechanism into one function, if a runtime matcher is provided.
2689 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2691 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2693 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2695 * integrate.c (copy_decl_list): Fix typo.
2697 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2699 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2702 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2704 * version.c: Bump for snapshot.
2706 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2708 * version.c: Bump for snapshot.
2710 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2712 * version.c: Bump for snapshot.
2714 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2716 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2718 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2720 * configure.in: remove usage of `!' to negate the result of a
2721 command; some common shells do not support it
2723 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2725 * configure.in: in sparc9-sol2 config, use 'if test' not
2727 * configure: Rebuilt.
2729 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2731 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2732 (CPP_CPU_DEFAULT_SPEC): Likewise.
2733 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2734 for arch64 libfuncs.
2736 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2739 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2741 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2743 * collect2.c: Don't declare `sys_siglist' here.
2744 (my_strsignal): Prototype and define new function. Use it in
2745 place of `sys_siglist' hacks.
2747 * mips_tfile.c: Likewise.
2749 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2750 (GCC_NEED_DECLARATIONS): Likewise.
2752 * system.h (strsignal): Prototype it, if necessary.
2753 (sys_siglist): Declare it, if necessary.
2755 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2757 * loop.c (move_movables): While removing insn sequences, preserve
2758 the next pointer of the most recently deleted insn when we skip
2761 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2763 * objc/config-lang.in: Do not output the name of the selected
2764 thread file when building the front-end. The Makefile for the
2765 runtime library will do this.
2767 * objc/Make-lang.in: Do not build the runtime library or install
2768 the Objective C header files. The Makefile for the runtime
2769 library will do this.
2771 * objc/Makefile.in (all.indirect): Only build the front-end.
2772 (compiler): Rename to `frontend'.
2773 (obj-runtime): Remove target.
2774 (copy-headers): Likewise.
2775 (clean): No need to remove `libobjc.a' any longer.
2777 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2779 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2780 supported with -mcpu=xxx.
2782 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2784 * flow.c (mark_set_1): Recognize multi-register structure return
2785 values in CALL insns.
2786 (mark_used_regs): Likewise.
2787 (count_reg_sets_1): Likewise.
2788 (count_reg_references): Likewise.
2789 * rtlanal.c (note_stores): Likewise.
2790 (reg_overlap_mentioned_p): Likewise.
2791 * haifa-sched.c (check_live_1): Likewise.
2792 (update_live_1): Likewise.
2793 (sched_analyze_1): Likewise.
2794 (sched_note_set): Likewise.
2795 (birthing_insn_p): Likewise.
2796 (attach_deaths): Likewise.
2798 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2801 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2803 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2805 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2807 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2809 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2811 * configure.in: Add check for GAS subsection -1 support.
2812 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2813 * configure config.in: Rebuilt.
2814 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2815 SImode is subsection -1 works, else use DImode.
2816 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2817 subsection -1 works.
2818 * config/sparc/sparc.c (sparc_output_addr_vec,
2819 sparc_output_addr_diff_vec): Use them if defined.
2821 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2823 * tree.h (DECL_ORIGIN): New macro.
2824 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2825 (copy_decl_list): Use it.
2826 (integrate_parm_decls): Likewise.
2827 (integrate_decl_tree): Likewise.
2828 * dwarf2out.c (decl_ultimate_origin): Simplify.
2829 * dwarfout.c (decl_ultimate_origin): Likewise.
2830 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2831 (pushdecl): Likewise.
2833 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2835 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2837 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2839 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2841 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2843 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2844 empty or has a single entry.
2846 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2847 before calling reg_to_stack.
2849 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2851 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2852 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2854 * c-tree.h (warn_long_long): Declare it.
2856 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2858 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2859 initialized float-int union if the value is a NaN.
2861 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2863 * c-lex.c (real_yylex): Don't warn about long long constants if
2864 we're allowing long long
2866 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2868 * except.h (current_function_eh_stub_label): Declare.
2869 (current_function_eh_old_stub_label): Declare.
2870 * function.h (struct function): New members eh_stub_label and
2872 * except.c (current_function_eh_stub_label): New variable.
2873 (current_function_eh_old_stub_label): New variable.
2874 (init_eh_for_function): Clear them.
2875 (save_eh_status): Save them.
2876 (restore_eh_status): Restore them.
2877 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2878 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2879 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2880 make an edge from the block that contains it to the block starting
2881 with the label if this label is one of the eh stub labels.
2882 If eh stub labels exist, show they are reachable from the last block
2885 * reload1.c (reload): Break out several subroutines and make some
2887 (calculate_needs_all_insns): New function, broken out of reload.
2888 (calculate_needs): Likewise.
2889 (find_reload_regs): Likewise.
2890 (find_group): Likewise.
2891 (find_tworeg_group): Likewise.
2892 (something_needs_reloads): New global variable, formerly in reload.
2893 (something_needs_elimination): Likewise.
2894 (caller_save_spill_class): Likewise.
2895 (caller_save_group_size): Likewise.
2896 (max_needs): Likewise.
2897 (group_size): Likewise.
2898 (max_groups): Likewise.
2899 (max_nongroups): Likewise.
2900 (group_mode): Likewise.
2901 (max_needs_insn): Likewise.
2902 (max_groups_insn): Likewise.
2903 (max_nongroups_insn): Likewise.
2904 (failure): Likewise.
2906 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2908 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2910 * loop.c (load_mems): Copy rtx for output mem.
2912 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2914 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2915 mips1 or mips2 either.
2917 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2919 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2921 (pa_adjust_insn_length): Update to work with new marking scheme
2922 for jumps inside switch tables.
2923 * pa.md (switch_jump): Remove pattern.
2924 (jump): Handle jumps inside jump tables.
2926 * Makefile.in (profile.o): Depend on insn-config.h
2928 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2930 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2932 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2934 Add preliminary native sparcv9 Solaris support.
2935 * configure.in: Recognize sparv9-*-solaris2*
2936 * configure: rebuilt
2937 * config.sub: Recognize sparcv9 just like sparc64.
2938 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2939 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2940 32-bit and 64-bit Solaris systems.
2941 * config/sparc/t-sol2: Assemble those with cpp.
2942 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2943 (*TF*_LIBCALL): If ARCH64 use V9 names.
2944 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2946 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2948 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2949 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2951 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2953 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2954 to Pmode if CASE_VECTOR_MODE is something else.
2956 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2958 * prefix.c (update_path): Correctly handle cases where PATH is
2959 a substring of the builtin prefix, but specifies a different
2962 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2964 * expr.c: Corrected comment about what MOVE_RATIO does.
2965 * config/alpha/alpha.h: Ditto.
2966 * config/1750a/1750a.h: Ditto.
2967 * config/clipper/clipper.h: Ditto.
2968 * config/i386/i386.h: Ditto.
2970 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2972 * configure.in (m68k-next-nextstep3*): Use collect2.
2973 Similarly for x86 NeXT configurations.
2974 * configure: Rebuilt.
2976 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2978 * configure.in: Don't assume srcdir is .../gcc
2979 * configure: Rebuilt.
2981 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2983 * global.c: Update comments.
2984 (global_alloc): Assign allocation-numbers
2985 even for registers allocated by local_alloc in case
2986 they are later spilled and retry_global_alloc is called.
2987 (mark_reg_store, mark_reg_clobber,
2988 mark_reg_conflicts, mark_reg_death): Always record a
2989 conflict with a pseudo register even if it has been
2990 assigned to a hard register.
2991 (dump_conflicts): Don't list pseudo registers already assigned to
2992 a hard register as needing to be allocated, but do list their
2994 * local-alloc.c: Update comment.
2996 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2998 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2999 * configure: Rebuilt.
3001 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3003 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3005 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3006 for all targets that set -msoft-float.
3008 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3010 * toplev.c (print_switch_values): Make static to match prototype.
3012 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3014 * configure.in: If we are unable to find the "gnatbind" program,
3015 then do not configure the ada subdir.
3016 * configure: Rebuilt.
3018 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3020 * version.c: Bump for snapshot.
3022 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3024 * version.c: Bump for snapshot.
3026 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3028 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3029 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3031 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3033 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3035 * genextract.c: Have insn-extract.c include toplev.h.
3037 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3039 * toplev.c: Include expr.h.
3040 (really_sorry, fancy_abort): Remove prototypes.
3041 (set_target_switch): Add argument in prototype.
3042 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3043 (v_really_sorry): Likewise.
3044 (print_version, print_single_switch, print_switch_values): Make
3045 static and add prototype arguments.
3046 (decl_printable_name): Add prototype arguments.
3047 (lang_expand_expr_t): New typedef.
3048 (lang_expand_expr): Declare as a lang_expand_expr_t.
3049 (incomplete_decl_finalize_hook): Add prototype argument.
3050 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3051 (botch): Likewise for variable `s'.
3052 (rest_of_type_compilation): Mark variables `type' and `toplev'
3053 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3054 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3055 (display_help): Make variable `i' an `unsigned long'.
3056 (main): Remove unused parameter `envp'.
3057 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3058 Cast -1 when comparing it with a `size_t'.
3060 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3061 prototype with ATTRIBUTE_NORETURN.
3062 (fatal_insn_not_found, fatal_insn, really_sorry,
3063 push_float_handler, pop_float_handler): Add prototypes.
3064 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3065 (do_abort, botch): Add prototypes.
3067 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3069 * final.c (final): If a label is reached only from a single jump,
3070 call NOTICE_UPDATE_CC on the jump and its predecessor before
3071 emitting the insn after the label.
3073 * i386.h: Add AMD K6 support.
3074 Change TARGET_* macros to use table lookup.
3075 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3076 (ADJUST_COST): Change definition to call function in i386.c.
3077 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3078 * i386.c: Add AMD K6 support.
3079 Add constants for feature tests used by TARGET_* macros.
3080 (split_di): If before reload, call gen_lowpart and gen_highpart.
3081 (x86_adjust_cost): New function.
3082 (put_jump_code): New function.
3083 (print_operand): New codes 'D' and 'd'.
3084 * i386.md: New insn types. New insn attribute "memory".
3085 Redefine scheduling parameters to use new types and add AMD K6
3086 support. Explicitly set type of most insns.
3087 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3088 Pro and K6 prefer movl $1,reg to incl reg.
3089 (adddi3, subdi3): Set cc_status.
3090 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3091 to int; x86 can't have more than 2^31 DImode shifts per file.
3092 (setcc): Combine all setcc patterns. Allow writing memory.
3093 Combine all jump patterns using match_operator.
3094 (*bzero): Name pattern. Emit mutliple stos instructions when that
3095 is faster than rep stos.
3096 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3099 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3101 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3104 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3106 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3107 not whatever we're generating now.
3109 * alpha.c (set_frame_related_p, FRP): New.
3110 (alpha_expand_prologue): Mark frame related insns.
3111 (alpha_expand_epilogue): Likewise, but with a null FRP.
3112 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3113 * alpha.md (exception_receiver): New.
3114 * alpha/crtbegin.asm (.eh_frame): New beginning.
3115 (__do_frame_setup, __do_frame_takedown): New.
3116 * alpha/crtend.asm (.eh_frame): New ending.
3117 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3118 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3119 (ASM_FILE_START): Don't emit .file for dwarf2.
3121 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3122 * rtl.c (reg_note_name): Likewise.
3123 * rtl.texi (REG_NOTES): Likewise.
3124 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3127 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3129 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3130 * i386.md (movsf, movdf, movxf): Validate memory address returned
3131 from force_const_mem. Kill useless REG_EQUAL setting code.
3133 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3135 * m68k.md (zero_extendsidi2): Fix typo.
3137 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3139 * configure.in: Removed references to the removed file
3140 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3141 * arm*-*-netbsd* and ns32k-*-netbsd*.
3142 * config/i386/xm-netbsd.h: Removed unnecessary file.
3143 * config/m68k/xm-netbsd.h: Likewise.
3144 * config/sparc/xm-netbsd.h: Likewise.
3145 * config/mips/xm-netbsd.h: Likewise.
3147 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3149 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3150 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3152 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3153 for exact section attributions.
3155 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3157 * i386/crtdll.h (CPP_PREDEFINES): Define.
3159 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3161 * m68k.md (5200 movqi): Do not allow byte sized memory references
3163 * m68k.c (output_move_qimode): Do not use byte sized operations on
3166 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3167 explicit rules for building. Similarly for alloca, vfprintf,
3168 choose-temp and mkstemp, getopt, getopt1, and obstack.
3169 (INCLUDES): Add $(srcdir)/../include.
3170 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3171 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3173 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3175 * gcc.c (do_spec_1): [case 'o'] Account for
3176 lang_specific_extra_outfiles.
3177 (main): Correctly clear all slots in outfiles for
3178 lang_specific_extra_outfiles. Set input_file_number before
3179 calling lang_specific_pre_link.
3181 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3183 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3185 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3187 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3189 (sparc_output_deferred_case_vectors): If no work to do, return.
3190 Fix thinko in Sept 1 change.
3192 1998-09-03 SL Baur <steve@altair.xemacs.org>
3194 * Makefile.in: add semicolon in BISON definition for portability.
3196 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3198 * config/nextstep.c (handle_pragma): Correct name of third
3201 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3203 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3204 * config/m32r/m32r.h: Make register 17 be fixed.
3205 * config/m32r/m32r.c: Use SImode for cc operations.
3207 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3209 * invoke.texi (Warning Options): Add -Wnon-template-friend
3212 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3214 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3216 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3218 * rs6000.md (movsf): Disable explicit secondary-reload-like
3219 functionality if TARGET_POWERPC64.
3220 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3223 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3225 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3226 and term.h from fixinc.wrap.
3228 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3230 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3231 safe to include both string.h and strings.h together.
3232 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3233 which headers to search for function declarations. Continue to
3234 prefer string.h over strings.h when both are not acceptable.
3236 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3238 * configure.in: Call GCC_HEADER_STRING.
3240 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3241 to include. Continue to prefer string.h over strings.h when both
3244 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3246 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3247 not assume top 32-bits of symbolic addresses are zero if
3250 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3252 * ginclude/va-alpha.h: Protect entire second portion of the
3253 file against double inclusion.
3255 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3257 Added support for the Boehm's garbage collector.
3258 * configure.in: Handle --enable-objc-gc.
3259 * configure: Rebuilt.
3260 * Makefile.in (CHECK_TARGETS): Add check-objc.
3261 (check-objc): New rule.
3262 * objc/Make-lang.in: Build a different Objective-C library that
3263 runs with the Boehm's collector.
3264 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3265 * objc/encoding.c: Correctly compute the size of compound types in
3266 the presence of bitfields. Skip the variable name of the type if
3267 any. Added support for long long.
3268 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3269 (_F_GCINVISIBLE): New mask.
3270 * objc/gc.c: New file. Compute the type memory mask associated with
3271 a class based on the runtime information.
3272 * objc/misc.c: Added the hooks that use the Boehm's collector
3273 allocation functions.
3274 * objc/objc-act.c (build_class_template): Generate a new class
3275 member (gc_object_type) to hold the class' type memory mask.
3276 (build_shared_structure_initializer): Initialize the new member to
3278 (encode_complete_bitfield): New function. Generate the new
3280 (encode_field_decl): Generate the new encoding only for the GNU
3282 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3284 (class_get_gc_object_type): New function to mark a pointer instance
3285 variable as a weak pointer.
3286 * objc/objc-features.texi: New file.
3287 * objc/objc.h (gc_object_type): New class member.
3288 * objc/objects.c (class_create_instance): Create a typed memory
3289 object when compiled with Boehm's collector support.
3290 * objc/sendmsg.c (__objc_init_install_dtable): Call
3291 __objc_send_initialize instead of setting the initialize flag.
3292 (__objc_send_initialize): Call __objc_generate_gc_type_description
3293 to generate the class type memory mask. Rewrite the code that
3294 sends the +initialize so that it is called only once (bug report
3295 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3296 * testsuite/objc: New testsuite for Objective-C type encoding.
3297 * testsuite/lib/objc-torture.exp: New file.
3298 * testsuite/lib/objc.exp: New file.
3300 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3302 * jump.c (jump_optimize): In if/then/else transformations, add
3303 another call to modified_between_p for the jump insn.
3305 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3307 * fix-header.c (symlink): Treat like readlink.
3309 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3311 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3314 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3316 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3317 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3318 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3320 * config/nextstep.c (handle_pragma): Take three arguments, as per
3321 the new HANDLE_PRAGMA macro specification.
3322 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3323 per the new HANDLE_PRAGMA macro specification.
3324 * config/i960/i960.c (process_pragma): Take three arguments, as
3325 per the new HANDLE_PRAGMA macro specification.
3327 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3329 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3330 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3331 if unknown pragmas are encountered.
3332 (handle_sysv_pragma): Interpret return code from
3333 handle_pragma_token (). Return success/failure indication rather
3334 than next unprocessed character.
3335 (pragma_getc): New function: retrieves characters from the
3336 input stream. Defined when HANDLE_PRAGMA is enabled.
3337 (pragma_ungetc): New function: replaces characters back into the
3338 input stream. Defined when HANDLE_PRAGMA is enabled.
3340 * c-pragma.c (handle_pragma_token): Return success/failure status
3343 * c-pragma.h: Change prototype of handle_pragma_token().
3345 * varasm.c: (handle_pragma_weak): Only create this function if
3346 HANDLE_PRAGMA_WEAK is defined.
3348 * c-common,c (decl_attributes): If defined call the expression
3349 contained within the INSERT_ATTRIBUTES macro before adding
3350 attributes to a decl.
3352 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3353 HANDLE_PRAGMA, which takes three arguments.
3354 (INSERT_ATTRIBUTES): Document this new macro.
3356 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3357 new INSERT_ATTRIBUTES macro.
3359 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3361 * config/sparc/sparc.md (movdf): Only generate special RTL for
3362 LABEL_REFs when PIC.
3363 (move_label_di): Remove
3364 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3365 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3366 references when PIC.
3367 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3368 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3369 output an .xword for all 64-bit cases.
3371 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3373 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3374 alignment, use FUNCTION_BOUNDARY instead.
3375 (sparc_output_deferred_case_vectors): Likewise.
3377 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3379 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3380 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3382 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3384 * alpha/va_list.h: New file.
3385 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3387 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3389 * NEWS: Add SCO Openserver and Unixware 7 notes.
3393 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3395 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3396 (record_constant_1): Handle RANGE_EXPR.
3398 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3400 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3401 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3402 and NOTE_INSN_RANGE_END specially.
3403 (reemit_notes): Likewise.
3405 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3407 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3408 (ultrasparc_sched_init): Remove unneeded &.
3410 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3412 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3413 for m68020-60, to prevent the use of fintrz.
3415 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3417 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3419 * Makefile.in: Likewise.
3420 * configure: Regenerated.
3422 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3424 * configure.in (gxx_include_dir): Changed to
3425 '${prefix}/include/g++'-${libstdcxx_interface}.
3426 * configure: Rebuilt.
3428 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3430 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3432 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3433 *sequences* *below* which scalar moves will be used.
3435 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3437 * collect2.c (mktemp): Delete unused declaration.
3439 * config/xm-netbsd.h: Remove unnecessary file.
3440 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3441 file anymore, it is not needed.
3443 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3445 * convert.c (convert_to_integer): Issue an error on conversions to
3448 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3450 * Makefile.in: Add lang_tree_files and gencheck.h.
3451 * configure.in: Generate them.
3452 * gencheck.c: Include gencheck.h.
3454 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3456 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3457 movdi_lo_sum_pic and movdi_high_pic and make visible.
3458 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3459 emit these when Pmode is not SImode.
3460 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3462 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3464 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3465 .linkonce directive after the first time.
3467 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3469 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3470 the clobbered operand overlaps with an input.
3471 (bne0_di): Similarly.
3473 * Makefile.in (INSTALL): Remove "--no-header" argument.
3475 * NEWS: Various updates.
3477 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3479 * config/sparc/sparc.c (arith_operand, const64_operand,
3480 const64_high_operand, arith_double_4096_operand): Mark mode as
3482 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3484 (sparc_emit_set_const64): Remove unused variable i.
3485 (sparc_splitdi_legitimate): Likewise for addr_part.
3486 (ultra_code_from_mask): Likewise for mask.
3487 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3488 reverse return values so it matches usage and comments.
3489 (ultra_flush_pipeline): Likewise.
3490 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3491 this_type, and allow loads and stores of differing FP modes as
3492 they do not create a conflict.
3493 (ultra_find_type): Initialize fpmode to SFmode, fix
3494 parenthesization thinkos in large conditional.
3495 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3496 Init free_slot_mask after ultra_cur_hist is reset, not before.
3497 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3498 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3499 use ultra_flush_pipeline instead, then re-init group pointer.
3500 Fix statement with no effect. If no progress made in, and no
3501 instructions scheduled at all, advance to new pipeline cycle else
3502 we get into an endless loop.
3503 (ultrasparc_adjust_cost): Remove previous arg.
3504 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3506 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3508 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3509 code. Use reg_overlap_mentioned_p to detect when source and
3510 destination overlap.
3511 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3513 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3515 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3516 COMPARISON_VAL, into invariant_p.
3518 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3520 * regmove.c (regclass_compatible_p): New function.
3521 (regmove_optimize): Use it.
3523 Use NREGS parameter insted of calling max_reg_num.
3525 (fixup_match_1): Don't use code = MINUS when later tieing with
3526 a hard register is likely.
3528 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3530 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3531 COMPARISON_VAL was normalized.
3533 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3535 * loop.c (check_dbra_loop): The loop ending comparison value
3536 must be an invariant or we can not reverse the loop.
3538 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3539 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3541 (load_mems_and_recount_loop_regs_set): Likewise.
3543 * i386.c (print_operand): Remove obsolete 'c' docs.
3545 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3547 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3548 * frame.c (init_object_mutex): New function.
3549 (init_object_mutex_once): Likewise.
3550 (find_fde): Call it.
3551 (__register_frame_info): Likewise.
3552 (__register_frame_info_table): Likewise.
3553 (__deregister_frame_info): Likewise.
3555 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3557 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3559 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3561 * loop.c (check_dbra_loop): Enable code for reversal
3562 of some loops without a known constant loop end.
3564 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3566 * haifa-sched.c (last_clock_var): New.
3567 (schedule_block): Initialize it.
3568 (schedule_insn): Use it to fill insn modes with issue information.
3570 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3571 Tag trapb and next insn with TImode.
3572 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3573 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3574 Invoke alphaev5_align_insns as appropriate.
3575 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3576 (MD_SCHED_VARIABLE_ISSUE): New.
3577 * alpha.md (attr type): Add multi.
3578 (define_asm_attributes): New.
3579 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3580 (arg_home): Likewise.
3581 (fnop, unop, realign): New.
3583 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3585 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3586 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3588 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3589 (rs6000-ibm-aix4.[12]*): Likewise.
3590 * configure: Regnerate.
3592 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3594 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3595 already contains the return address.
3597 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3599 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3600 word sized hunks when loading unaligned args into registers.
3602 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3603 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3605 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3607 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3609 * loop.c (check_dbra_loop): Add some code that would allow reversal
3610 of some loops without a known constant loop end if it were enabled.
3612 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3614 * mips.md (lshrsi3_internal2+2): Fix type-o.
3616 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3618 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3619 correctly with regards to stdio.h.
3621 * calls.c: Remove stdarg.h/varargs.h.
3624 * combine.c: Likewise.
3625 * cpperror.c: Likewise.
3626 * cpplib.c: Likewise.
3627 * cpplib.h: Likewise.
3628 * doprint.c: Likewise.
3629 * emit-rtl.c: Likewise.
3630 * final.c: Likewise.
3631 * fix-header.c: Likewise.
3633 * genattr.c: Likewise.
3634 * genattrtab.c: Likewise.
3635 * gencodes.c: Likewise.
3636 * genconfig.c: Likewise.
3637 * genemit.c: Likewise.
3638 * genextract.c: Likewise.
3639 * genflags.c: Likewise.
3640 * genopinit.c: Likewise.
3641 * genoutput.c: Likewise.
3642 * genpeep.c: Likewise.
3643 * genrecog.c: Likewise.
3644 * mips-tfile.c: Likewise.
3645 * prefix.c: Likewise.
3646 * protoize.c: Likewise.
3647 * regmove.c: Likewise.
3648 * toplev.c: Likewise.
3651 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3653 * config/sparc/sparc.c (sparc_override_options): If not
3654 TARGET_FPU, turn off TARGET_VIS.
3655 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3656 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3657 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3658 (movdi_insn_sp64): Add VIS fzero alternative.
3659 (clear_sf, clear_df): New VIS patterns.
3660 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3662 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3664 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3666 * loop.c (n_times_set, n_times_used, may_not_optimize,
3667 reg_single_usage): Convert to varrays. All uses changed.
3668 (insert_loop_mem): Return a value.
3669 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3670 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3673 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3676 * configure.in: Do not set thread_file to "irix" since no such
3679 * sparc.md (float abs/neg splits): Check reload_completed before
3680 calling alter_subreg.
3682 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3684 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3686 * config/sparc/sparc.h: Declare it.
3687 * config/sparc/sparc.md (float abs/neg splits): Use it.
3688 (all other splits): Handle SUBREGs properly where necessary.
3689 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3691 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3693 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3694 an insn on the unfilled_slots_list that has no delay slots.
3695 (fill_eager_delay_slots): Similarly.
3697 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3699 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3700 as an ordinary operand.
3702 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3704 * tree.c (valid_machine_attribute): Don't apply attributes to both
3707 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3709 * reload.c (operands_match_p): Handle rtvecs.
3711 * i386.c (legitimate_pic_address_disp_p): New.
3712 (legitimate_address_p): Use it.
3713 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3714 Handle constant pool symbols just like statics.
3715 (emit_pic_move): Use Pmode not SImode for clarity.
3716 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3717 [UNSPEC]: New, handling what we killed above.
3718 [PLUS]: Detect and abort on invalid symbol arithmetic.
3719 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3721 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3723 * alias.c: Include output.h.
3724 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3725 different if we're in a varargs function.
3726 * Makefile.in (alias.o): Depend on output.h
3728 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3730 * sh.h (GIV_SORT_CRITERION): Delete.
3732 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3734 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3735 * stupid.c (stupid_life_analysis): Ditto.
3736 * reload1.c (reload): Ditto.
3738 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3740 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3741 arith_double_4096_operand, arith_double_add_operand): New
3743 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3744 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3745 them to transform add/sub 4096 into add/sub -4096.
3747 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3749 * loop.c (scan_loop): Allocate some slop to handle pseudos
3750 generated by move_movables.
3751 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3754 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3756 * tree.def (DECL_RESULT): Correct documentation.
3758 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3760 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3761 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3762 conflicts will all RELOAD_FOR_OUTPUT reloads.
3764 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3765 loads the function result, substitute with a USE.
3767 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3769 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3770 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3771 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3772 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3773 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3774 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3776 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3777 'o' to 'm' for GPR variant constraints.
3779 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3781 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3783 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3785 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3786 when the source and destination overlap.
3788 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3789 clash with global type.
3791 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3793 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3795 * c-common.c (combine_strings): Also set TREE_READONLY.
3796 Change warn_write_strings to flag_const_strings.
3797 * c-decl.c, c-tree.h: Likewise.
3799 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3801 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3802 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3803 sequence, use SET/IOR instead so CSE can see it.
3804 * config/sparc/sparc.md (movhi_const64_special,
3805 movsi_const64_special): New patterns necessitated by that change.
3806 (movhi_high): Remove.
3807 (movhi_lo_sum): Change to match an IOR.
3808 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3809 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3810 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3811 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3812 registers are involved.
3813 (snesi_zero_extend split): Remove reload_completed test.
3814 (unnamed plus and minus zero_extend sidi splits): Add it.
3816 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3818 * extend.texi: Remove description of extension to explicit
3819 instantiation that is now endorsed by standard C++.
3821 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3823 * config/arc/arc.c (arc_initialize_pic): Remove.
3824 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3825 nothing on any platform and is invoked by no-one, it does not even
3826 appear in the documentation.
3827 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3828 * config/sparc/sparc.c (initialize_pic): Likewise.
3829 (find_addr_reg): Remove this as well, no longer referenced after
3832 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3834 * recog.c (validate_replace_rtx_group): New function.
3835 * recog.h (validate_replace_rtx_group): Declare it.
3836 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3837 the entire group of substitutions.
3839 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3841 * loop.c (load_mems): Fix initializers.
3843 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3845 * config/sparc/sparc.md (TFmode splits): Handle destination
3846 registers being referenced in the address correctly.
3848 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3849 TREE_UNSIGNED, when bitsize of type's mode is larger than
3850 HOST_BITS_PER_WIDE_INT.
3852 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3854 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3855 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3856 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3858 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3861 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3863 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3864 * h8300.h (TINY_DATA_NAME_P): Likewise.
3865 (STRIP_NAME_ENCODING): Handle '&'.
3867 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3868 register (it could be accessed via an outer SUBREG).
3869 (REG_OK_FOR_BASE_P): Likewwise.
3870 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3872 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3875 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3877 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3879 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3880 must be offsettable so the splits can be made.
3882 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3884 * config/i386/winnt.c: Include system.h, not stdio.h to get
3885 sys/param.h pulled in before rtl.h in case the system defines MIN
3888 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3890 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3892 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3894 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3896 * cpplib.c (cpp_define): Handle macros with parameters.
3898 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3900 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3901 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3902 and DImode 64-bit. Use llong for minimal-toc SFmode and
3903 SYMBOL_REF / LABEL_REF 64-bit.
3904 (output_function_profiler): Use llong for profiler label and ld to
3905 load 64-bit label address.
3907 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3909 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3912 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3914 * version.c: Bump for snapshot.
3916 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3918 * version.c: Bump for snapshot.
3920 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3922 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3924 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3926 * tm.texi (Misc): Fix typo "teh".
3928 * tm.texi (PIC): Fix typo "PPIC".
3930 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3931 effect when -O2 and higher.
3932 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3934 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3936 * regclass.c: Changed register set documentation to be consistent
3939 * final.c (final_start_function) Removed redundant test for
3942 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3944 * rtl.h (rtx_function): New type.
3945 (for_each_rtx): New function.
3946 * rtlanal.c (for_each_rtx): Define it.
3948 * recog.c (change_t): New type.
3949 (change_objects, change_old_codes, change_locs, change_olds):
3951 (changes): New variable.
3952 (validate_change): Dynamically allocate room for more changes, if
3953 necessary. Uses changes array instead of change_objects, etc.
3954 (apply_change_group): Use changes array instead of
3955 change_objects, etc.
3957 * loop.c (loop_mem_info): New type.
3958 (loop_mems): New variable.
3959 (loop_mems_idx): Likewise.
3960 (looop_mems_allocated): Likewise.
3961 (scan_loop): Remove nregs parameter.
3962 (next_insn_in_loop): New function.
3963 (load_mems_and_recount_loop_regs_set): Likewise.
3964 (load_mems): Likewise.
3965 (insert_loop_mem): Likewise.
3966 (replace_loop_mem): Likewise.
3967 (replace_label): Likewise.
3968 (INSN_IN_RANGE_P): New macro.
3969 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3970 (scan_loop): Remove nregs parameter, compute it after any new
3971 registers are created by load_mems. Use INSN_IN_RANGE_P and
3972 next_insn_in_loop rather than expanding them inline. Call
3973 load_mems to load memory into pseudos, if appropriate.
3974 (prescan_loop): Figure out whether or not there are jumps from the
3975 loop to targets other than the label immediately following the
3976 loop. Call insert_loop_mem to notice all the MEMs used in the
3977 loop, if it could be safe to pull MEMs into REGs for the duration
3979 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3981 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3983 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3985 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3987 * config/sparc/sparc.c (finalize_pic): Check for the correct
3988 nonlocal_goto_receiver UNSPEC number.
3989 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3990 making note of this dependency existing in sparc.c
3991 (negtf2_notv9 split): Give NEG SFmode.
3992 (negsf2): Fix insn output string.
3994 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3996 * c-common.c (decl_attributes): Issue an error if the argument
3997 to alias is not a string.
3999 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4001 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4002 pending memory flush list.
4004 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4006 (try_combine): Allow combining insns with REG_LIBCALL notes.
4008 * expr.c (emit_block_move): Do not call memcpy as a libcall
4009 instead build up a CALL_EXPR and call it like any other
4011 (clear_storage): Similarly for memset.
4013 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4016 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4019 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4020 and REG_LIVE_LENGTH as successful substitutions are made.
4022 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4024 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4025 statement after end of loop label.
4027 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4029 * config/sparc/sparc.c (ultra_types_avail): New variable.
4030 (ultra_build_types_avail): New function to record mask of insn
4031 types in ready list at this cycle.
4032 (ultrasparc_sched_reorder): Call it.
4033 (ultra_find_type): Use it to quicken the search. Also simplif
4034 dependency check, don't use rtx_equal_p because we know exactly
4035 what we are looking for.
4037 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4039 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4040 for architecture v4.
4042 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4044 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4046 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4047 movdf_const_intreg and helper splits): New patterns to move float
4048 constants into integer registers.
4049 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4052 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4055 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4057 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4059 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4060 a BASE_REGS register is needed as an intermediate when copying
4061 a symbolic value into any register class other than BASE_REGS.
4063 * expr.c (move_by_pieces): No longer static. Remove prototype.
4064 * rtl.h (move_by_pieces): Add extern prototype.
4065 * mips.c (expand_block_move): Handle aligned straight line copy by
4066 calling move_by_pieces.
4068 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4071 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4073 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4074 jumps out of the loop to be treated as part of the exit test.
4076 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4077 Jeff Law <law@cygnus.com>
4079 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4080 * cplus-dem.c: Delete.
4082 * Makefile.in (fold-const.o): depend on $(RTL_H).
4084 * fold-const.c: Include rtl.h to get the prototype for
4085 `set_identifier_local_value'.
4087 * loop.c (express_from_1): Remove unused variable `tmp'.
4088 (combine_givs): cast the first argument of bzero to char *.
4090 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4092 * c-decl.c (init_decl_processing): Remove unneeded &.
4094 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4096 * except.c (set_exception_lang_code, set_exception_version_code):
4097 Change parameter from `short' to `int' to avoid using a gcc
4100 * except.h (set_exception_lang_code, set_exception_version_code):
4101 Likewise for prototypes.
4103 * flow.c (count_reg_references): Remove unused variables `regno'
4106 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4108 * prefix.c (translate_name): Cast the result of `alloca'.
4110 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4112 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4114 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4116 (valid_dbcc_comparison_p): Mark mode argument as unused.
4117 (symbolic_operand): Likewise.
4118 (legitimize_pic_address): Likewise.
4119 (const_uint32_operand): Likewise.
4120 (const_sint32_operand): Likewise.
4121 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4122 schedule_insns and comment out rest of file.
4124 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4126 (output_move_[hq]imode): Likewise.
4128 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4130 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4131 * invoke.texi: Corresponding changes.
4133 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4135 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4137 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4139 * config/sparc/sparc.c (ultra_code_from_mask,
4140 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4141 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4142 ultrasparc_sched_init, ultrasparc_variable_issue,
4143 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4144 functions to describe UltraSPARC pipeline exactly to Haifa.
4145 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4146 as there is nothing the scheduler can do about it. Indicate that
4147 REG_DEP_OUTPUT's collide. Fixup formatting.
4148 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4149 divide costs on Ultra for DImode.
4150 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4152 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4153 ieuN and add call_no_delay_slot to type list.
4154 (cti function unit): New unit for branches on UltraSPARC.
4155 (subx/addx insns): Set type to misc.
4156 (sidi zero/sign extension insns on arch64): Set type to shift.
4157 (sign_extendhidi2_insn): Set type to sload.
4159 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4161 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4162 (output_epilog): Use if != 0 for offset.
4163 (rs6000_fatal_bad_address): Prepare for Intl.
4164 * rs6000.h (rs6000_fatal_bad_address): Declare.
4165 * rs6000.md (movsfcc, movdfcc): Use else if.
4166 (elf_high): Use {liu|lis}.
4167 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4168 (movsi): Use rs6000_fatal_bad_address.
4170 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4172 * reload.c (find_equiv_reg): Reject equivalences separated
4173 by a volatile instruction.
4175 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4177 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4179 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4181 * alpha.md (movsicc): Fix mode mismatch.
4183 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4185 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4187 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4189 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4191 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4192 write-only modifier from operand 1 constraint.
4194 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4196 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4197 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4199 (sparc_emit_set_const64): Likewise, also when computing trailing
4200 bits do not negate low_bits and make fast_int an int.
4202 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4204 * loop.c (add_label_notes): Do not ignore references to labels
4205 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4206 * gcse.c (add_label_notes): Similarly.
4208 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4210 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4211 (adddi_dishl32): Similarly.
4213 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4215 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4216 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4217 * cse.c (cse_basic_block): Add parens to shut up warnings.
4219 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4221 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4222 sparc_emit_set_const64_longway, const64_is_2insns,
4223 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4224 in 64-bit constant formation.
4225 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4226 rtl for addx not subx.
4227 (define_insn movdi_const64_special): Make available even when
4228 HOST_BITS_PER_WIDE_INT is not 64.
4229 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4230 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4231 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4232 instances of operand 1 inside a QI subreg.
4233 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4234 (one_cmpldi2_sp64): Fix output string.
4235 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4237 (unnamed arch64 ashift DI): Truncate shift count if greater than
4240 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4242 * expr.c (store_expr): Don't optimize away load-store pair
4243 when either source or destination have a side effect.
4245 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4247 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4248 operands of SET are incompatible.
4250 * alpha.md: Fix max and min patterns so modes of SET operands match.
4252 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4254 * configure.in: Avoid [[ by using test and changequote.
4255 * configure: Rebuild.
4257 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4259 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4261 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4262 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4263 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4264 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4265 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4266 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4267 Fix mismatching modes in SET operands.
4268 (conditional move patterns): Fix formatting.
4269 (unnamed subx arch64 pattern): Remove duplicate insn.
4271 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4273 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4274 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4275 (input_operand): Fixup test for what we accept for constant
4277 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4279 (safe_constDI): Remove.
4280 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4281 gen_safe_XOR64): New functions.
4282 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4283 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4285 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4286 available when HOST_BITS_PER_WIDE_INT is not 64.
4287 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4288 move before movdi_insn_sp64 pattern.
4289 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4290 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4291 symbolic_operand as predicate for second operand.
4292 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4293 expander): Give set VOIDmode.
4295 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4297 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4299 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4301 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4303 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4305 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4307 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4309 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4311 * install.texi: Various SCO OpenServer tweaks.
4313 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4315 * reload1.c (eliminate_regs_in_insn): Handle another case when
4316 eliminating the frame pointer to the hard frame pointer. Add
4317 missing ep->to_rtx check to one existing case.
4319 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4321 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4323 * tree.h: De-conditionalize init_priority code.
4325 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4326 * collect2.c (NM_FLAGS): Change from -p to -n.
4328 * configure.in: Turn on collect2 for mipstx39-elf.
4329 Handle use_collect2=no properly.
4331 * c-common.c: De-conditionalize init_priority code.
4332 * collect2.c (extract_init_priority, sort_ids): New fns.
4333 (main): Call sort_ids.
4334 Move sequence_number to file scope.
4336 * configure.in: Handle --enable-init-priority.
4337 * c-common.c (attrs): Add A_INIT_PRIORITY.
4338 (init_attributes, decl_attributes): Likewise.
4339 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4340 * tree.c (get_file_function_name_long): Split out...
4341 (get_file_function_name): ...from here.
4343 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4345 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4348 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4350 * toplev.c (display_help): Add braces to shut up warnings.
4351 * tree.c (simple_cst_equal): Likewise.
4353 * fold-const.c (non_lvalue): Don't deal with null pointer
4355 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4357 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4358 of any size to a pointer.
4360 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4362 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4364 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4366 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4367 which will be saved.
4368 * mn10300.md (prologue insn): Only save registers which need saving.
4369 (epilogue insn): Similarly.
4371 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4374 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4376 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4377 VAR_DECL's in gp addressable sections.
4379 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4381 * sparc.c: Change return <exp> to <exp>; return; in functions
4383 * sparc.md: Add empty semicolon statement after final label in
4386 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4388 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4389 addx_extend_sp64, only allow when TARGET_ARCH64.
4390 (define_insn addx_extend_sp32 and split): Version that works when
4392 (define_insn subx_extend): Likewise.
4393 (define_split adddi3 and subdi3 with zero extension): Fixup and
4394 correct bugs when not TARGET_ARCH64.
4396 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4398 * except.c (set_exception_lang_code, set_exception_version_code):
4399 Use prototype-style definition if __STDC__, to match declaration
4402 * genemit.c: Change FAIL and DONE macros not to use loops.
4404 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4406 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4407 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4409 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4411 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4413 * README.g77: Update from Craig.
4415 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4417 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4419 (safe_constDI sparc_emit_set_const64_quick1,
4420 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4421 analyze_64bit_constant, const64_is_2insns,
4422 create_simple_focus_bits): Fix some bugs when compiled on real
4424 (function_arg_record_value_3, function_arg_record_value_2,
4425 function_arg_record_value): Add fully prototyped forward decls.
4426 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4427 to cmpsi_insn and use on both 64 and 32 bit targets.
4428 (define_insn cmpsi_insn_sp64): Remove.
4429 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4430 (define_insn zero_extendsidi2_insn): Rename to
4431 zero_extendsidi2_insn_sp64.
4432 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4433 assosciated forced split for it.
4435 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4437 * config/sparc/sparc.h: Declare them.
4438 (PREDICATE_CODES): Add them.
4439 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4440 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4442 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4444 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4445 in v9 case as the latter makes the Solaris assembler crash.
4447 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4449 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4450 for TFmode when !v9. We require offsettable memory addresses.
4451 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4452 DFmode register number conversions.
4453 * config/sparc/sparc.md (define_split DFmode moves): If register
4454 is a SUBREG do alter_subreg on it before using.
4455 (define_expand movtf): Fixup comment about alignment on v9.
4456 (define_split TFmode moves): Don't use gen_{high,low}part, create
4457 explicit SUBREGs instead.
4459 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4461 * Makefile.in (mbchar.o): Depend on mbchar.c.
4463 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4464 Richard Henderson <rth@cygnus.com>
4466 Rewrite Sparc backend for better code generation and
4467 improved sparc64 support.
4468 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4470 * config/sparc/sysv4.h: Likewise.
4471 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4472 move_operand, v8plus_regcmp_op, emit_move_sequence,
4473 singlemove_string, doublemove_string, mem_aligned_8,
4474 output_move_double, output_move_quad, output_fp_move_double,
4475 move_quad_direction, output_fp_move_quad, output_scc_insn):
4477 (small_int_or_double): New predicate.
4478 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4479 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4480 old pic_{sethi,lo_sum}_si patterns.
4481 (mem_min_alignment): New generic function to replace
4482 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4483 available and can test for arbitrary alignments. All callers
4485 (save_regs, restore_regs, build_big_number,
4486 output_function_prologue, output_cbranch, output_return,
4487 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4488 sparc_flat_output_function_epilogue): Prettify
4490 (output_function_epilogue): Likewise and add code to output
4491 deferred case vectors.
4492 (output_v9branch): Likewise, add new arg INSN and use it to tack
4493 on branch prediction settings. All callers changed.
4494 (print_operand): Likewise and output %l44 for LO_SUMs when
4496 (sparc_splitdi_legitimate): New function to make sure DImode
4497 splits can be run properly when !arch64.
4498 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4499 Reformat example code in comments.
4500 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4501 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4502 of deferred case vectors we need to output.
4503 (sparc_defer_case_vector): Record a case vector.
4504 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4505 sparc_output_deferred_case_vectors): New functions to output them.
4506 (sparc_emit_set_const32): New function to form 32-bit constants in
4507 registers when that requires more than one instruction.
4508 (safe_constDI, sparc_emit_set_const64_quick1,
4509 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4510 analyze_64bit_constant, const64_is_2insns,
4511 create_simple_focus_bits, sparc_emit_set_const64): New functions
4512 which do the same for 64-bit constants when arch64.
4513 (sparc_emit_set_symbolic_const64): New function to emit address
4514 loading for all code models on v9.
4515 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4516 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4517 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4518 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4519 inaccuracies in comments, add symbolic and text_segment operands
4520 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4521 GENERAL_REGS in these cases as a temp REG is needed to load these
4522 addresses into a register properly.
4523 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4525 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4526 quads are guarenteed to have 16-byte alignment.
4527 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4528 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4529 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4530 deferred case vector implementation.
4531 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4532 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4533 Generate "internal label - label" instead of "label - 1b".
4534 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4535 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4536 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4538 (doublemove_string, output_block_move, output_fp_move_double,
4539 output_fp_move_quad, output_move_double, output_move_quad,
4540 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4541 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4542 (sparc_emit_set_const32, sparc_emit_set_const64,
4543 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4544 mem_min_alignment, small_int_or_double): Add externs.
4545 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4546 UNSPEC_VOLATILE in this backend.
4547 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4548 unary to types which execute in it.
4549 (define_function_unit ieu_shift): Rename to ieu0.
4550 (define_function_unit ieu1): New, executes compare, call, and
4551 uncond_branch type insns.
4552 (define_function_units for type fdivs, fdivd, fsqrt): These
4553 execute in the fpu multiply unit not the adder on UltraSparc.
4554 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4555 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4556 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4557 allows the arith_double_operand predicate and rHI constraint when
4559 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4560 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4561 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4562 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4563 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4564 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4565 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4566 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4567 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4568 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4569 sign_extendqihi2_insn, sign_extendqisi2_insn,
4570 sign_extendqidi2_insn, sign_extendhidi2_insn,
4571 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4572 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4573 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4574 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4575 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4576 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4577 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4578 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4579 smulsi3_highpart_v8plus, unnamed subreg mult,
4580 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4581 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4582 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4583 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4584 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4585 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4586 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4587 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4588 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4589 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4590 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4591 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4592 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4593 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4594 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4595 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4596 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4597 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4598 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4599 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4600 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4601 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4602 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4603 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4604 call_address_untyped_struct_value_sp32,
4605 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4606 call_value_symbolic_sp32, call_value_address_sp64,
4607 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4608 flush_register_windows, goto_handler_and_restore,
4609 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4610 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4611 return_addsi, return_di, return_adddi, return_sf, all call+jump
4612 peepholes, trap, unnamed trap insns): Prettify output strings.
4613 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4614 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4615 Likewise and force + implement splits for integer cases.
4616 (define_insn return_sf_no_fpu): Likewise and allow to match when
4617 no-fpu because of our subreg SFmode splits.
4618 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4619 zero_extendqidi2_insn, zero_extendhidi2_insn,
4620 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4621 input_operand for second operand.
4622 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4623 reg_or_0_operand for operand 2 so new splits can use it.
4624 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4625 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4627 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4628 CONST_DOUBLEs for operand 2.
4629 (define_insn move_label_di): Likewise and label distance
4630 optimization because it no longer works with new deferred case
4631 vector scheme. To be revisited.
4632 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4633 and allow reg_or_0_operand and J constraint for second operand.
4634 (define_insn jump): Set branch predict taken on V9.
4635 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4636 new deferred case vector scheme.
4637 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4638 (define_insn negdi2_sp32): Force + implement splits.
4639 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4640 one_cmplsi2_not_liveg0 respectively, and create expander of original
4641 names which emit special rtl for TARGET_LIVE_G0.
4642 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4643 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4644 gen_compare_reg, FAIL instead.
4645 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4646 values when trying to reverse condition codes, if they FAIL then
4648 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4649 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4650 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4651 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4652 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4653 set output string to # to indicate they are mandatory splits.
4654 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4655 pic_sethi_di, move_pic_label_si): Remove.
4656 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4657 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4659 (define_expand movsi_pic_label_ref, define_insn
4660 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4661 expander and insns to handle PIC label references and deferred
4663 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4665 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4666 Rewrite to not use emit_move_sequence, make use of new constant
4667 formation code, and new splits for all multi-insn cases.
4668 (define_insn movqi_insn): Remove sethi case, it can never happen.
4669 Use reg_or_zero_operand instead of const0_rtx explicit test,
4670 use input_operand instead of move_operand for source, and use
4671 general_operand now for dest.
4672 (define_insn movhi_insn): Similar but leave sethi case.
4673 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4674 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4675 movhi_lo_sum respectively, prettify output string.
4676 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4677 register when needed on TARGET_LIVE_G0.
4678 (define_insn movsi_insn): Use general_operand and input_operand
4679 for dest and src respectively. Simplify applicability test.
4680 Prettify output strings, and add clr alternative for J
4682 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4683 deprecated std and reg-reg DI moves): Remove and...
4684 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4685 implementation which uses forced splits for all non-single insn
4687 (define_split DI move cases on !arch64): New splits to handle all
4688 situations of 64-bit double register DImode on 32bit, and
4689 unaligned registers and memory addresses for all subtargets.
4690 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4692 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4693 input_operand for dest and src respectively, prettify output
4695 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4696 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4698 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4699 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4700 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4701 movtf_no_e_insn_sp64) Replace with new
4702 implementation which uses forced splits for all non-single insn
4704 (define_split DF move cases): New splits in similar vein to DI
4706 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4707 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4708 movdi_sp64_insn): Remove old v9 code model and constant loading
4710 (define_insn pic_lo_sum_di, pic_sethi_di,
4711 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4712 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4713 embmedany_sethi, embmedany_losum, embmedany_brsum,
4714 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4715 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4716 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4717 scheme, using unspecs, secondary reloads, and one to one sparc
4718 insn to rtl insn mapping for better scheduling and code gen.
4719 (define_expand reload_indi, reload_outdi): Reload helpers for
4720 MEDANY and EMBMEDANY symbol address loading cases which require a
4722 (define_expand movsicc): Remove v8plus_regcmp cases.
4723 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4724 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4725 cmp_diqi_trunc_set): New patterns used by some of the new scc
4727 (define_insn xordi3_sp64_dbl): New pattern used for constant
4728 formation when crossing from 32-bit targets.
4729 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4731 (define_insn addx, subx): Make visible and prettify.
4732 (define_insn adddi3_insn_sp32): Likewise and force split.
4733 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4734 64bit scc split usage.
4735 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4736 zero_extend, subdi3): Force and implement splits.
4738 * final.c (final_scan_insn): Don't output labels if target
4739 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4742 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4743 don't forget to walk inside SEQUENCESs too as these are what the
4744 delay slot scheduler will create.
4746 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4748 * alpha.md (extxl+1,+2): New patterns to work around
4751 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4753 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4754 caused bad assembly code to be generated.
4756 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4758 * netbsd.h: Fix typo.
4760 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4762 * config.sub: Fix typo.
4764 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4766 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4768 (Running Protoize): Typo: Change "ther" into "other".
4770 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4772 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4773 * m68k/netbsd.h: Likewise.
4774 * ns32k/netbsd.h: Likewise.
4775 * sparc/netbsd.h: Likewise.
4777 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4779 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4780 * ginclude/va-clipper.h (va_list): Likewise.
4782 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4784 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4785 load/store multiple instructions unless user overrides.
4787 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4789 * ns32k/netbsd.h: Fix typo.
4791 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4793 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4794 labels with .debugsym if no parallel insns.
4796 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4798 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4799 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4801 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4803 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4804 (AR_FOR_TARGET): Define.
4806 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4808 * dyn-string.h: New file.
4809 * dyn-string.c: Likewise.
4810 * Makefile.in (OBJS): Add dyn-string.o.
4811 (dwarf2out.o): Add dyn-string.h dependency.
4812 (dyn-string.o): List dependencies.
4813 * dwarf2out.c: Include dyn-string.h.
4814 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4815 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4816 prototype. Use dyn_string_append rather than strcat, throughout.
4817 (addr_to_string): Use dyn_string_t.
4819 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4821 Function entry/exit profiling instrumentation:
4822 * expr.h (profile_function_entry_libfunc,
4823 profile_function_exit_libfunc): Declare new variables.
4824 * optabs.c: Define them here.
4825 (init_optabs): Initialize them.
4826 * tree.h (struct tree_decl): New flag
4827 no_instrument_function_entry_exit.
4828 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4829 * c-decl.c (duplicate_decls): Merge it.
4830 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4831 (init_attributes): Use it for "no_instrument_function".
4832 (decl_attributes): Handle it, for functions that have not yet been
4833 compiled. Set decl flag.
4834 * flags.h (flag_instrument_function_entry_exit): Declare new
4836 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4837 (f_options): New option "instrument-functions".
4838 * function.h (struct function): New field instrument_entry_exit.
4839 * function.c (current_function_instrument_entry_exit): New
4841 (push_function_context_to, pop_function_context_from): Save and
4843 (expand_function_start): Set current_ variable, maybe emit return
4844 label and entry profile call.
4845 (expand_function_end): Maybe emit exit profile call.
4847 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4849 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4850 NON_QI_REG_P, pretend the register is SImode.
4852 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4854 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4855 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4856 manufacturer id for ns32k.
4857 * configure: Regenerated.
4858 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4859 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4860 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4861 * config/m68k/netbsd.h: Same.
4862 * config/ns32k/netbsd.h: Same.
4863 * config/sparc/netbsd.h: Same.
4865 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4867 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4868 or UNROLL_COMPLETELY loop that starts with a jump to its
4871 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4873 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4874 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4875 (print_operand, case 'B'): Don't fall through.
4876 (print_operand, case 'S'): Correct mask begin/end computation.
4877 Use HOST_BITS_PER_WIDE_INT.
4878 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4879 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4880 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4881 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4883 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4885 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4886 constraint from second alternative.
4888 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4890 * configure.in: Fix --without/--disable cases for local-prefix,
4891 gxx-include-dir and checking.
4893 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4895 * configure.in (enable_haifa): Set by default for sparc64 too.
4898 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4900 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4901 * i386/winnt.c (associated_type): New fn.
4902 (i386_pe_valid_type_attribute_p): New fn.
4903 (i386_pe_check_vtable_importexport): Remove.
4904 (i386_pe_dllexport_p): Use associated_type.
4905 (i386_pe_dllimport_p): Likewise.
4907 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4908 * i386.c (i386_valid_type_attribute_p): Also accept
4909 attributes for METHOD_TYPEs.
4911 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4913 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4915 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4917 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4919 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4920 them from generating a new base name for each occurence of
4923 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4925 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4927 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4931 * cplus-dem.c (type_kind_t): New type.
4932 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4933 on this paramter, rather than demangling the type again.
4934 (demangle_integral_value): Pass tk_integral.
4935 (demangle_template_: Pass the value returned from do_type.
4936 (do_type): Return a type_kind_t. Pass tk_integral to
4937 demangle_template_value_parm for array bounds.
4938 (demangle_fund_type): Likewise.
4940 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4942 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4945 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4947 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4949 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4951 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4953 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4956 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4958 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4959 (DEBUGGER_ARG_OFFSET): Likewise.
4961 * mn10300.md (movsf): Remove last change. Not needed.
4963 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4965 * c-lex.c (yylex): Fix boundary conditions in character literal and
4966 string literal loops.
4968 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4970 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4971 being invoked incorrectly.
4973 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4974 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4976 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4977 * configure.in: Added i[34567]86-*-win32
4978 * config.sub: Ditto.
4979 * configure: Rebuilt.
4981 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4983 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4984 the frame pointer and compiling PIC code and reload has not completed.
4986 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4989 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4991 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4993 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4995 * Makefile.in (install-info): Only try to update the info
4996 directory file if it exists in the first place.
4998 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5000 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5002 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5004 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5005 CONST_DOUBLE source.
5007 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5009 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5010 strings as the insertion of USER_LABEL_PREFIX.
5011 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5013 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5016 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5018 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5019 already defined type.
5021 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5023 * expr.c (check_max_integer_computation_mode): Allow conversions
5024 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5025 (expand_expr): Likewise.
5027 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5029 * expr.c (expand_expr): Expand RETURN_EXPR.
5031 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5033 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5035 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5037 * dwarf2out.c (output_aranges): Call stripattributes
5038 for TEXT_SECTION references.
5039 (output_line_info): Likewise.
5041 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5043 * profile.c (branch_prob): Call allocate_reg_info after outputting
5044 profile rtl in instrument_arcs.
5046 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5048 * fixinc.irix (math.h): Install wrapper instead of copying.
5050 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5052 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5053 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5054 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5055 lang_flag_0. Added documentation in the flag table.
5057 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5059 * cccp.c (do_include): Fix vax c style include handling.
5061 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5063 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5065 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5067 * fold-const.c (non_lvalue): Don't deal with null pointer
5069 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5071 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5073 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5074 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5075 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5076 (u_short_cint_operand): Same.
5077 (reg_or_cint_operand): Same.
5078 (logical_operand): Same.
5079 (input_operand): Same.
5080 (reg_or_short_operand): Use u_short_cint_operand.
5082 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5084 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5085 but keep the insns and splits. Adjust so when the ultimate destination
5086 is memory, use cvtql.
5088 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5090 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5092 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5094 * gcc.c (do_spec): Call "error" not "warning".
5096 * configure.in: Fix minor problems with gas feature detection code.
5097 * configure: Rebuilt.
5099 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5102 * gcc.c: Delete %[spec] support.
5103 (do_spec_1, case '('): Likewise.
5104 (do_spec_1, case '['): Call error.
5106 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5108 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5109 (CPP_SUBTARGET_SPEC): Default to empty string.
5110 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5111 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5112 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5113 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5115 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5116 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5117 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5118 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5119 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5120 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5121 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5122 * alpha/vxworks.h: Likewise.
5124 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5126 * mips.md (reload_outsi): Added missing REGNO call.
5127 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5129 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5130 another match_operator and compare the codes.
5132 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5134 * MIPS multiply pattern fixes:
5135 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5136 Add union classes for HI, LO, or HILO plus general registers.
5137 (GENERATE_MADD): Deleted.
5138 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5139 Add TARGET_MAD to condition.
5140 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5141 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5142 "*d" for accumulator, to give preference to LO initially but not
5145 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5147 * configure.in (enable_c_mbchar): New configure option.
5148 (extra_cpp_objs): Always available now.
5150 * cexp.y (mbchar.h): #include it.
5151 (yylex): Handle Multibyte characters in character literals.
5153 * cccp.c (mbchar.h): #include it.
5154 (main): Set character set based on LANG environment variable.
5155 (rescan): Handle multibyte characters in comments.
5156 (skip_if_group): See above.
5157 (validate_else): See above.
5158 (skip_to_end_of_comment): See above.
5159 (macarg1): See above.
5160 (discard_comments): See above.
5161 (rescan): Handle multibyte characters in string and character literals.
5162 (collect_expansion): See above.
5163 (skip_quoted_string): See above.
5164 (macroexpand): See above.
5165 (macarg1): See above.
5166 (discard_comments): See above.
5167 (change_newlines): See above.
5169 * c-lex.c (mbchar.h): #include it.
5170 (GET_ENVIRONMENT): New macro.
5171 (init_lex): Set character set based on LANG environment variable.
5172 (yylex): Handle multibyte characters in character literals.
5173 (yylex): Handle multibyte characters in string literals.
5175 * Makefile.in (mbchar.o): New target.
5176 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5177 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5179 * mbchar.[ch]: New files for multibyte character handling.
5181 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5183 * jump.c (jump_optimize): When simplifying noop moves and
5184 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5185 the PUSHes to rewrite in second loop as we did in the first.
5187 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5189 * cplus-dem.c (demangle_nested_args): Make function definition
5190 static to match the prototype.
5192 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5194 * alloca.c: Respect USE_C_ALLOCA.
5195 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5196 * gengenrtl.c (xmalloc): Likewise.
5198 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5200 * loop.h (struct induction): Add no_const_addval.
5201 * loop.c (the_movables, reg_address_cost): New variables.
5202 (init_loop): Init reg_address_cost.
5203 (loop_optimize): Call end_alias_analysis.
5204 (scan_loop): Init the_movables.
5205 (record_giv): Init induction->no_const_addval.
5206 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5207 [REG]: Rearrange loop search test to catch more cases.
5208 (general_induction_var): Return success not benefit; take an extra
5209 argument for that. Change all callers.
5210 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5211 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5212 [default]: Search the_movables for additional combinations.
5213 (sge_plus_constant, sge_plus): New functions.
5214 (express_from_1): New function.
5215 (express_from): Always define. Rewrite using express_from_1.
5216 (combine_givs_p): Handle more cases. Ignore address cost.
5217 (cmp_combine_givs_stats): New function.
5218 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5219 (combine_givs): Rewrite to do best-fit combination.
5221 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5222 (fold): Do a complete (A*C)+(B*C) association check.
5224 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5226 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5228 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5230 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5232 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5234 * tree.c (valid_machine_attribute): Only create a new type variant if
5235 there is a decl to use it.
5237 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5239 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5242 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5244 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5247 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5249 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5250 Simplify tests for clearing an address register.
5251 (expand_prologue): Corresponding changes.
5253 * mn10300.md (movXX patterns): Make sure the destination is an
5254 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5255 (logical patterns): Split into expanders + patterns
5256 (zero and sign extension patterns): Similarly.
5257 (shift patterns): Similarly.
5259 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5261 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5262 for the sequence, recording base values.
5264 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5266 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5268 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5270 * gcc.c: Remove ANSI-C ism from --help code.
5272 * toplev.c: Support --help with USE_CPPLIB.
5274 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5276 * configure.in: Rework gas feature code to work with symlink based
5279 * extend.texi: Clarify some issues related to local variables
5280 assigned to explicit registers.
5282 * mn10300.md (mulsi): Turn into expander + pattern.
5284 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5287 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5289 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5291 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5293 * version.c: Bump again to distinguish mainline tree from the
5296 See ChangeLog.0 for earlier changes.
5299 add-log-time-format: current-time-string