1 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
5 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
7 * version.c: Bump for snapshot.
9 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
11 * stmt.c (expand_fixup): Set fixup->before_jump to a
12 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
14 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16 * Makefile.in (recog.o): Depend on toplev.h.
17 (insn-emit.o): Depend on recog.h.
18 (insn-peep.o): Depend on recog.h and insn-config.h.
20 * combine.c (simplify_set): Remove unused variable `scratches'.
22 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
23 and `idx' in macro conditional controlling their use.
25 * genemit.c (main): Make the generated output file include
26 recog.h. Don't have it declare `insn_operand_constraint', since
27 we get it from recog.h.
29 * genpeep.c (main): Make the generated output file include
30 insn-config.h and recog.h.
32 * recog.c: Include toplev.h.
33 (extract_insn): Remove unused variable `p'.
35 * regclass.c (fix_register): Add missing braces around initializer
37 (allocate_reg_info): Move variable `i' into the scope where it is
38 used. Change its type to `size_t'.
40 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
42 * reload.c (push_reload): When merging reloads, make sure
43 that reload_in_reg and reload_in are from the same reload in
46 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
48 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
49 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
51 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
53 * loop.c (loop_has_tablejump): New variable.
54 (prescan_loop): Scan for it.
55 (insert_bct): Replace explicit scan with use of it.
56 * regclass.c (regclass): Restore loop variable j.
57 (record_reg_classes): Deterine op_types modifiers and initialize
58 classes[i] before matching constraints. Handle matching
61 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
63 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
66 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
68 * mips.h (EXTRA_SPECS): Add missing initializers.
70 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
72 * sparc.h (EXTRA_SPECS): Add missing initializers.
73 (sparc_defer_case_vector): Provide a prototype.
75 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
76 comparing it to the result of a pointer subtraction.
78 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
80 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
81 the argument to (unsigned char).
83 * alpha.h (EXTRA_SPECS): Add missing initializers.
84 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
87 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
89 * flow.c (life_analysis_1): Enable "rescan" code after reload.
90 (propagate_block): Delete dead code after reload.
92 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
93 back Oct 15, 1998 change.
94 * haifa-sched.c (update_flow_info): Likewise.
95 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
97 * mn10200.md (truncated shift): Accept constant inputs too.
99 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
101 * machmode.h (mode_mask_array): No longer const.
102 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
104 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
106 * frame.c: Somewhat explain `FDE'.
107 Suggested by Brendan Kehoe
109 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
111 * expr.c (pending_chain): Move up.
112 (save_expr_status): Do save pending_chain.
113 (restore_expr_status): And restore it.
114 * function.h (struct function): Add pending_chain.
116 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
118 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
119 did not match the code.
121 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
123 * regclass.c (regclass): Break out some code into new function
124 scan_one_insn, and into regclass_init.
125 (init_cost): New static variable, moved out of regclass.
126 (regclass_init): Initialize it here, not in .
127 (scan_one_insn): New static function, broken out of regclass.
128 * recog.c (apply_change_group): Break out some code into new
129 function insn_invalid_p.
130 (insn_invalid_p): New static fn, broken out of apply_change_group.
132 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
134 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
135 reg_reloaded_contents matches incremented pseudo.
137 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
139 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
141 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
142 addressing modes with side effects. These are currently
143 placeholders for the C4x target.
145 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
147 * loop.c (express_from): Make sure that when generating a PLUS of
148 a PLUS, any constant expression appears on the outermost PLUS.
150 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
152 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
153 works if "$(srcdir)" != ".".
155 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
157 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
158 existing SUBREG if we can, otherwise abort.
160 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
162 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
163 `restrict' is applied to a non-pointer variable.
165 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
167 * invoke.texi: Document -flang-isoc9x.
169 * Makefile.in (OBJS): Add splay-tree.o.
170 (c-common.o): Depend on rtl.h.
171 (splay-tree.o): List dependencies and provide build rule.
173 * rtl.h (record_alias_subset): New function.
174 * alias.c: Include splay-tree.h.
175 (alias_set_entry): New type.
176 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
177 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
178 (mems_in_disjoin_alias_sets_p): New function.
179 (alias_set_compare): Likewise.
180 (insert_subset_children): Likewise.
181 (get_alias_set_entry): Likewise.
183 * tree.h (TYPE_RESTRICT): New macro.
184 (TYPE_UNQUALIFIED): New manifest constant.
185 (TYPE_QUAL_CONST): Likewise
186 (TYPE_QUAL_VOLATILE): Likewise.
187 (TYPE_QUAL_RESTRICT): Likewise.
188 (tree_type): Add restrict_flag. Reduce count of free bits.
189 (DECL_POINTER_ALIAS_SET): New macro.
190 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
191 (tree_decl): Add pointer_alias_set.
192 (build_qualified_type): New function.
193 (build_type_variant): Define in terms of build_qualified_type.
194 * tree.c (set_type_quals): New function.
195 (make_node): Initializae DECL_POINTER_ALIAS_SET.
196 (build_type_attribute_variant): Use build_qualified_type and
198 (build_type_variant): Rename, and modify, to become...
199 (build_qualified_type): New function.
200 (build_complex_type): Use set_type_quals.
202 * c-tree.h (C_TYPE_OBJECT_P): New macro.
203 (C_TYPE_FUNCTION_P): Likewise.
204 (C_TYPE_INCOMPLETE_P): Likewise.
205 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
206 (c_apply_type_quals_to_decl): New function.
207 (c_build_qualified_type): New function.
208 (c_build_type_variant): Define in terms of c_build_qualified_type.
209 (flag_isoc9x): Declare.
210 * c-typeck.c (qualify_type): Use c_build_qualified_type.
211 (common_type): Change to use TYPE_QUALS.
212 (comptypes): Likewise.
213 (convert_for_assignment): Likewise.
214 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
215 * c-decl.c (flag_isoc9x): Define.
216 (c_decode_option): Handle -flang-isoc9x.
217 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
218 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
219 * c-lex.c (init_lex): Deal with restrict.
220 (init_lex): Don't treat restrict as a reserved word in
221 -traditional mode, or without -flang-isoc9x.
222 * c-lex.h (rid): Add RID_RESTRICT.
223 * c-parse.gperf (restrict, __restrict, __restrict__): Make
224 equivalent to RID_RESTRICT.
225 * c-parse.in (TYPE_QUAL): Update comment.
226 * c-common.c: Include rtl.h.
227 (c_find_base_decl): New function.
228 (c_build_type_variant): Rename, and modify, to become ...
229 (c_build_qualified_type): New function.
230 (c_apply_type_quals_to_decl): Likewise.
231 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
232 a particular alias set for the reference.
233 * toplev.c (documented_lang_options): Add -flang-isoc9x.
235 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
237 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
238 command line switches.
240 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
242 * reload.c (loc_mentioned_in_p): Add missing braces to bind
245 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
247 * gcc.c (option_map): Added --classpath and --CLASSPATH.
249 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
251 * regclass.c (fix_register): Add error message.
252 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
255 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
257 * c-decl.c (warn_missing_noreturn): New global variable.
258 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
259 (finish_function): Implement missing noreturn warning.
261 * c-tree.h (warn_missing_noreturn): Declare extern.
263 * invoke.texi: Document new flags.
265 * toplev.c (documented_lang_options): Add description.
267 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
269 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
270 loop optimization stable for the C4x.
271 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
272 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
273 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
275 (c4x_address_conflict): Be more paranoid when packing a volatile
276 memref in a parallel load/store.
278 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
280 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
281 repeat_block_filler): Deleted.
282 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
283 Condition code not set if destination register from 'c' class.
284 (*subbqi3_carry_clobber): Fix typo.
286 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
288 * reorg.c (steal_delay_list_from_target) Check for insns that
289 modify the condition codes and effect the direction of the jump
292 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
294 * function.c (purge_addressof_1): Replace call to
295 emit_insns_before() with emit_insn_before().
297 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
299 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
301 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
303 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
305 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
307 * gcse.c (compute_hash_table): Correctly identify hard regs which are
308 clobbered across calls.
310 * loop.c (scan_loop): Be more selective about what invariants are
313 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
315 * version.c: Bump for snapshot.
317 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
319 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
320 static eh_context structure.
322 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
324 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
326 (try_combine): Don't update max_scratch.
327 * flow.c (max_scratch, num_scratch): Delete variables.
328 (life_analysis_1): Don't initialize max_scratch.
329 (propagate_block): Don't update max_scratch.
330 (mark_set_1): Don't increment num_scratch.
331 * regs.h (max_scratch): Delete declaration.
333 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
335 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
336 is nonzero. This is temporary!
338 * sched.c (update_flow_info): Handle death notes made invalid by
339 instruction splitting. Partially reverts Oct 15, 1998 patch.
340 * haifa-sched.c (update_flow_info): Likewise.
342 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
344 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
345 if it has a nonzero DECL_INITIAL.
347 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
349 * Makefile.in (flow.o): Depend on recog.h.
351 * cpplib.h (directive_table): Add missing initializiers.
352 (finclude): Change type of variable `bsize' to size_t.
354 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
356 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
358 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
359 `int' when comparing against one.
360 (cpp_file_line_for_message): Mark parameter `pfile' with
362 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
364 * flow.c: Include recog.h.
365 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
367 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
368 `f' with ATTRIBUTE_UNUSED.
369 (reposition_prologue_and_epilogue_notes): Likewise.
371 * genopinit.c (gen_insn): Cast argument of ctype functions to
374 * haifa-sched.c: Include recog.h.
375 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
376 comparing against one.
378 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
380 * mips-tfile.c (parse_end): Cast the argument of ctype function to
382 (parse_ent): Likewise.
383 (parse_input): Likewise.
385 * optabs.c (init_libfuncs): Likewise.
387 * protoize.c (find_rightmost_formals_list): Likewise.
389 * recog.h (const_double_operand): Fix typo in prototype.
391 * tlink.c (scan_linker_output): Cast the argument of ctype
392 function to `unsigned char'.
394 * toplev.c (check_lang_option): Cast the result of `strlen' to
395 `int' when comparing against one.
397 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
399 * gcse.c (dump_cuid_table): Correct typo.
401 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
403 * toplev.c (display_help): Prepend '-m' to target specific
405 (check_lang_option): Ignore text after end of first word of a
406 language specific option.
408 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
410 * reload1.c (reg_used_by_pseudo): New static variable.
411 (choose_reload_regs): Initialize it.
412 Use it instead of testing spill_reg_order to determine whether a
413 pseudo is live in a hard register across the current insn.
414 Fix a typo in a reference to reload_reg_rtx.
416 * flow.c (propagate_block): Replace code that computes and uses
417 regs_sometimes_live with simpler code that just walks the set of
418 currently live registers.
420 * Makefile.in (insn-extract.o): Fix dependencies.
421 * genextract.c (main): Generate includes for insn-config.h and
423 Delete generation of declarations which are now in recog.h.
424 * genrecog.c (main): Delete generation of definitions which are
426 * local-alloc.c (block_alloc): Use extract_insn and the variables
427 it sets up instead of looking up values by insn_code.
428 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
429 recog_dup_num): Define here instead of generating the definition in
431 (recog_n_operands, recog_n_dups, recog_n_alternatives,
432 recog_operand_mode, recog_constraints, recog_operand_address_p):
434 (extract_insn): New function.
435 * recog.h (extract_insn): Declare function.
436 (which_alternative, recog_n_operands, recog_n_dups,
437 recog_n_alternatives, recog_operand_mode, recog_constraints,
438 recog_operand_address_p): Declare variables.
439 * regclass.c (n_occurrences): New static function.
440 * reload.c (n_occurrences): Delete function.
441 (find_reloads): Use extract_insn.
442 * reload.h (n_occurrences): Delete declaration.
444 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
446 * reload1.c (reload_as_needed): Fix test for when to call
447 update_eliminable_offsets.
449 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
451 Fix consistency problems with reg_equiv_{mem,address};
452 Improve reload inheritance;
454 * reload.c (reload_out_reg): New variable.
455 (loc_mentioned_in_p, remove_address_replacements): New functions.
456 (remove_replacements): Deleted.
457 (push_reload): Set reload_out_reg[i].
458 When merging, also set reload_{in,out}_reg[i], and remove
459 duplicate address reloads.
460 (combine_reloads): Copy reload_out_reg[i].
461 (find_reloads): Do make_memloc substitution also when
462 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
464 Include *recog_operand_loc in commutativity operand changes.
465 Generate optional output reloads.
466 Delete reference to n_memlocs. Don't set *recog_operand_loc before
467 processing operands. Call make_memloc in reg_equiv_address code.
468 Set *recog_operand_loc only after processing operands, and only
469 if replace is true. Return a value.
470 When changing address reload types for operands that didn't get
471 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
472 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
473 Don't emit USEs for pseudo SUBREGs when not replacing.
474 (find_reloads_address): Do make_memloc substitution also when
475 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
477 (find_reloads_toplev): Likewise.
478 Call make_memloc in reg_equiv_address code.
479 (debug_reload_to_stream): Add code to output reload_out_reg.
480 (make_memloc): Delete local variable i, ifdefed out code, and
481 references to memlocs and n_memlocs.
482 (memlocs, n_memlocs): Delete.
483 (push_secondary_reload): Clear reload_out_reg.
484 (find_reloads_address_1): Provide memrefloc argument to all calls
485 to find_reloads_address.
486 In AUTO_INC code, handle non-directly addressable equivalences properly.
487 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
488 (find_reloads): Add return type.
489 (remove_address_replacements, deallocate_reload_reg): Declare.
490 * reload1.c (num_not_at_initial_offset): No longer static.
491 (delete_address_reloads, delete_address_reloads_1): Likewise.
492 (deallocate_reload_reg): New function.
493 (spill_reg_stored_to): New array.
494 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
495 (eliminate_regs_in_insn): Move assignments of previous_offset and
496 max_offset fields, and recalculation of num_not_at_initial_offset
497 into new static function:
498 (update_eliminable_offsets) .
499 (reload_as_needed): Call update_eliminable_offsetss after calling
501 Call forget_old_reloads_1 with contents of reloaded auto_inc
502 expressions if the actual addressing can't be changed to match the
504 (choose_reload_regs): For inheritance, replace
505 reload_reg_free_before_p test with reload_reg_used_at_all test, and
506 remove stand-alone reload_reg_used_at_all test.
507 Use reload_out_reg to determine which reload regs have output reloads.
508 Treat reload_override_in more similar to inherited reloads.
509 Handle (subreg (reg... for inheritance.
510 For flag_expensive_optimizations, add an extra pass to remove
511 unnecessary reloads from known working inheritance.
512 Delete obsolete code for pseudos replaced with MEMs.
513 Handle inheritance from auto_inc expressions.
514 (emit_reload_insns): If reload_in is a MEM, set OLD to
516 Don't reload directly from oldequiv; if it's a pseudo with a
517 stack slot, use reload_in[j].
518 Check that reload_in_reg[j] is a MEM before replacing reload_in
519 from reg_reloaded_contents.
520 Include non-spill registers in reload inheritance processing.
521 Also try to use reload_out_reg to set spill_reg_store /
523 In code to set new_spill_reg_store, use single_set to find out if
524 there is a single set.
525 Add code that allows to delete optional output reloads.
526 Add code to allow deletion of output reloads that use no spill reg.
527 At the end, set reload_override_in to oldequiv.
528 Also call delete_output_reload if reload_out_reg is equal to old
530 Add code to call delete_output_reload for stores with no matching load.
531 Set / use spill_reg_stored_to.
532 Handle case where secondary output reload uses a temporary, but
533 actual store isn't found.
534 When looking for a store of a value not loaded in order to call
535 delete_output_reload, count_occurences should return 0 for no
536 loads; but discount inherited input reloadill_reg_stored_to.
537 Do checks for extra uses of REG. Changed all
539 Use delete_address_reloads.
540 (reload): Take return value of find_reloads into account.
541 If a no-op set needs more than one reload, delete it.
542 (reload_reg_free_before_p): RELOAD_FOR_INPUT
543 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
544 for the same operand.
545 (clear_reload_reg_in_use): Check for other reloads that keep a
547 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
548 RELOAD_FOR_OPADDR_ADDR.
549 Take into account when an address address reload is only needed
550 for the address reload we are considering.
551 (count_occurrences): Use rtx_equal_p for MEMs.
552 (inc_for_reload): Return instruction that stores into RELOADREG.
553 New argument two, IN, and rtx. Changed all callers.
554 (calculate_needs_all_insns, reload_as_needed):
555 Don't clear after_call for a CLOBBER.
556 Keep track of how many hard registers need to be copied from
557 after_call, and don't clear after_call before we have seen
558 that much copies, or we see a different instruction.
560 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
562 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
563 after reload has completed.
565 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
567 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
568 a macro name and the next token with a single blank if that whitespace
569 is in a macro buffer and the next token is not '('.
571 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
573 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
575 (skip_if_group): Ditto.
576 (skip_to_end_of_comment): Ditto.
578 (discard_comments): Ditto.
579 (change_newlines): Ditto.
581 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
583 * c-lex.c (yylex): Fix unaligned access of wchar_t.
585 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
587 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
588 (TARGET_OPTIONS): Add --help documentation.
590 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
592 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
594 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
596 * fixinc/* Moved in from ../contrib directory in preparation
597 for integrating it into the normal build process. In particular,
598 fixinc/Makefile.in must be config-ed into the build directory
599 as fixinc/Makefile. Proposed patches to ./Makefile.in and
600 ./configure.in will be "in the mail" momentarily.
602 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
604 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
605 accidently walk into the free list. Comment how that can happen.
606 (invalidate): Fix indentation.
608 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
609 Jeffrey A Law (law@cygnus.com)
611 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
612 reload. Never perform rescans of the insn chain after reload.
613 (propagate_block): Do not delete insn or create new autoinc addressing
616 * jump.c (jump_optimize): Unconditionally use the code that was
617 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
618 * reload1.c (reload): When reloading is finished, delete all
619 REG_DEAD and REG_UNUSED notes.
620 (emit_reload_insns): Delete all code that was conditional on
621 PRESERVE_DEATH_INFO_REGNO_P.
622 (no_longer_dead_regs): Delete variable.
623 (reload_cse_delete_death_notes): Delete function.
624 (reload_cse_no_longer_dead): Delete function.
625 (reload_cse_regs_1): Delete all code to handle deletion of death
627 (reload_cse_noop_set_p): Likewise.
628 (reload_cse_simplify_set): Likewise.
629 (reload_cse_simplify_operands): Likewise.
630 (reload_cse_move2add): Likewise.
631 * reorg.c (used_spill_regs): Delete declaration.
632 (max_label_num_after_reload): Delete declaration.
633 (find_dead_or_set_registers): Don't assume that spill regs are
634 dead at a CODE_LABEL.
635 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
637 * sched.c (sched_analyze_insn): Likewise.
638 (update_flow_info): Likewise.
639 * haifa-sched.c (sched_analyze_insn): Likewise.
640 (update_flow_info): Likewise.
641 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
642 * toplev.c (max_label_num_after_reload): Delete variable.
643 (rest_of_compilation): Don't set max_label_num_after_reload.
644 Call life_analysis after reload_cse_regs if optimizing.
645 * config/gmicro/gmicro.h: Delete comment referring to
646 PRESERVE_DEATH_INFO_REGNO_P.
647 * config/i386/i386.h: Likewise.
648 * config/m88k/m88k.h: Likewise.
649 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
650 * config/sh/sh.h: Likewise.
652 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
654 * loop.c (strength_reduce): Restore marking bct_p as
656 * rs6000.c (optimization_options): Change #ifdef HAIFA to
657 HAVE_decrement_and_branch_on_count.
658 (small_data_operand): Remove TARGET_ELF condition for marking
659 parameters ATTRIBUTE_UNUSED.
661 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
663 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
664 (SELECT_SECTION): Resync with svr4.h.
666 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
668 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
671 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
673 * c-pragma.c (handle_pragma_token): Test for null tree before
674 dereferencing TREE_CODE.
676 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
678 * config/c4x/c4x.c: Convert to use GEN_INT.
679 (c4x_parallel_process): Rework to handle new repeat loop structure.
681 * config/c4x/c4x.md: Convert to use GEN_INT.
682 (rptb_end): Convert to use GE test. Replace uses with clobbers.
683 (decrement_and_branch_on_count): Likewise.
685 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
686 loop.c has the desired functionality.
687 (rc_reg_operand): New prototype.
689 * config/c4x/t-c4x: Can now build all front ends.
691 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
693 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
695 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
697 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
698 * config/t-rtems: Do not install assert.h -- use newlib's.
700 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
702 * combine.c (combine_instructions): When finished, call init_recog.
703 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
705 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
707 * toplev.c: If flag_syntax_only, don't open or write assembler file.
709 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
711 * cppalloc.c (memory_full): Mark function prototype with
714 * demangle.h (collect_exit): Likewise.
716 * fix-header.c (v_fatal, fatal): Likewise.
718 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
721 * gcov.c (print_usage): Likewise.
723 * genattr.c (fatal, fancy_abort): Likewise.
725 * genattrtab.c (fatal, fancy_abort): Likewise.
727 * gencodes.c (fatal, fancy_abort): Likewise.
729 * genconfig.c (fatal, fancy_abort): Likewise.
731 * genemit.c (fatal, fancy_abort): Likewise.
733 * genextract.c (fatal, fancy_abort): Likewise.
735 * genflags.c (fatal, fancy_abort): Likewise.
737 * genopinit.c (fatal, fancy_abort): Likewise.
739 * genoutput.c (fatal, fancy_abort): Likewise.
741 * genpeep.c (fatal, fancy_abort): Likewise.
743 * genrecog.c (fatal, fancy_abort): Likewise.
745 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
746 __sjpopnthrow, __throw): Likewise.
748 * objc/objc-act.c (objc_fatal): Likewise.
750 * protoize.c (usage, aux_info_corrupted,
751 declare_source_confusing): Likewise.
753 * rtl.c (dump_and_abort): Likewise.
755 * rtl.h (sets_cc0_p): Likewise.
757 * toplev.c (float_signal, pipe_closed): Likewise.
759 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
761 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
762 when generating the decision tree for the general case.
764 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
765 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
767 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
769 * Makefile.in (sched.o): Depend on recog.h.
771 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
772 (unsigned) when comparing against one.
773 (find_base_value): Likewise.
774 (record_base_value): Cast variable `regno' to (unsigned) when
775 comparing against one. Cast the result of REGNO() macro to
776 (unsigned) when comparing against one.
777 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
779 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
780 variable where an unsigned index is needed.
782 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
783 before comparing against one.
785 * collect2.c: Add prototypes for functions `error', `fatal' and
786 `fatal_perror'. Make these functions take variable arguments
787 instead of faking it with a fixed number of args.
788 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
791 * combine.c (can_combine_p): Mark parameter `pred' with
793 (find_split_point): Cast variable `src' to (unsigned
794 HOST_WIDE_INT) when comparing against one.
795 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
796 (simplify_logical): Likewise.
797 (force_to_mode): Cast result of INTVAL() macro to (unsigned
798 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
799 HOST_WIDE_INT) in shift.
800 (simplify_and_const_int): Cast result of INTVAL() macro to
801 `unsigned HOST_WIDE_INT' when comparing against one.
802 (merge_outer_ops): Cast variable const0 to `unsigned
803 HOST_WIDE_INT' when comparing against the result of
804 GET_MODE_MASK() macro.
805 (simplify_comparison): Likewise for variable `c0'. Cast variable
806 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
807 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
808 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
809 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
810 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
811 comparing against one.
812 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
814 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
815 macro to `unsigned HOST_WIDE_INT' when comparing against one.
816 (output_block_move): Cast `sizeof' expression to (int) when
817 comparing against one.
818 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
820 (save_restore_insns): Cast `base_offset' to `long' to match format
821 specifier in fprintf.
823 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
824 to `enum machine_mode'.
826 * flow.c (life_analysis_1): Remove unused variable `insn'.
828 * gcc.c (translate_options): Move variables `j' and `k' into the
829 scope in which they are used. Change their types to `size_t'.
830 (set_spec): Cast the argument of ctype macro to `unsigned char'.
831 (read_specs): Likewise.
832 (process_command): Cast `sizeof' to (int) when comparing against one.
833 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
834 (handle_braces): Cast both sides of `==' expression to `long' to
835 ensure sign matching.
836 (main): Cast variable `i' to `int' when comparing against one.
838 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
839 int to size_t. Cast variable `i' to size_t when comparing against
842 * genattrtab.c (convert_set_attr_alternative): Remove unused
843 parameter `insn_code'. All callers changed.
844 (convert_set_attr): Likewise.
846 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
847 size_t when comparing against one. Likewise for variable `len'.
849 * global.c (global_alloc): Cast variable `max_regno' to size_t
850 when comparing against one. Likewise for variable `max_allocno'.
852 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
854 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
855 `set' with ATTRIBUTE_UNUSED.
856 (find_free_reg): Cast `sizeof' expression to (int) when comparing
859 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
860 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
861 (get_condition): Cast variable `const_val' to `unsigned
862 HOST_WIDE_INT' when comparing against one. Cast unsigned
863 expression to HOST_WIDE_INT when comparing against one.
864 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
865 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
866 `unsigned' when comparing against one.
868 * protoize.c (is_id_char): Change type of parameter `ch' to
870 (munge_compile_params): Cast argument of ctype macro to (const
872 (process_aux_info_file): Cast variable `aux_info_size' to int when
873 comparing against one.
874 (forward_to_next_token_char): Cast argument of ctype macro to
875 `const unsigned char'.
876 (edit_formals_lists): Likewise.
877 (find_rightmost_formals_list): Likewise.
878 (add_local_decl): Likewise.
879 (add_global_decls): Likewise.
880 (edit_fn_definition): Likewise.
881 (do_cleaning): Likewise.
882 (scan_for_missed_items): Likewise.
883 (edit_file): Cast variable `orig_size' to (int) when comparing
885 (main): Cast argument of ctype macro to `const unsigned char'.
887 * recog.c (const_int_operand): Mark parameter `mode' with
890 * regclass.c (record_reg_classes): Change type of variable `c' to
891 `unsigned char'. Cast `char' array index to `unsigned char'.
893 * reload.c (push_secondary_reload): Cast argument to
894 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
896 * reload1.c (calculate_needs): Cast `char' array index to
898 (set_label_offsets): Change type of variable `i' to unsigned int.
899 Cast result of XVECLEN() macro to unsigned when comparing against
901 (mark_not_eliminable): Change type of variable `i' to unsigned.
902 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
903 when comparing against one.
904 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
905 comparing against one.
906 (choose_reload_regs): Hide unused label `fail'.
907 (reload_cse_simplify_operands): Cast `char' array index to
909 (reload_combine_note_store): Mark parameter `set' with
910 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
912 (reload_cse_move2add): Remove unused variable `src2'.
914 * sched.c: Include recog.h.
915 (sched_note_set): Remove unused parameter `b'. All callers
917 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
918 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
919 when comparing against one.
921 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
922 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
923 comparing against one.
925 * unroll.c (precondition_loop_p): Remove unused parameter
926 `loop_end'. All callers changed.
928 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
930 * reload1.c (maybe_fix_stack_asms): New static function.
933 * reload.h (compute_use_by_pseudos): Declare.
935 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
936 (something_needs_reloads): Delete variable.
937 (finish_spills): New function.
938 (compute_use_by_pseudos): New function.
940 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
941 Use the reload_insn_chain instead of walking the rtl directly.
943 (reload): Allocate and free spilled_pseudos.
944 Ensure that all calls of spill_hard_reg are followed by a call to
946 Use the insns_need_reload list instead of something_needs_reloads
947 to find out if reload_as_needed must be called.
948 Clear unused_insn_chains at the end.
950 (calculate_needs_all_insns): Lose FIRST parameter. All callers
952 Delete code to keep track of current basic block.
953 Walk reload_insn_chain instead of the rtl structure. Build the
954 insns_need_reload chain.
955 Remember which insns need reloading/elimination by setting the
956 appropriate fields in struct insn_chain, not by putting modes on the
959 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
960 arg INSN. All callers changed.
961 Delete declaration of struct needs.
962 Don't set something_needs_reloads.
963 Record insn needs in the CHAIN argument.
965 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
967 (reload_as_needed): Lose FIRST arg. All callers changed.
968 Walk the reload_insn_chain instead of the rtx structure.
969 Delete code to keep track of current basic block.
970 Rename one of the NEXT variables to OLD_NEXT.
972 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
974 (choose_reload_regs): Likewise.
976 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
979 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
980 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
981 (hard_regs_live, hard_regs_need_restore): Delete variables.
982 (n_regs_saved): Now static.
983 (referenced_regs, this_insn_sets): New variables.
985 (setup_save_areas): Restructure the code a bit.
987 (restore_referenced_regs): Delete function.
988 (mark_referenced_regs): New function, similar to the old
989 restore_referenced_regs, but mark registers in referenced_regs.
991 (clear_reg_live): Delete function.
992 (mark_set_regs): Renamed from set_reg_live. All callers changed.
993 Only mark registers in this_insn_sets.
995 (save_call_clobbered_regs): Rework this function to walk the
996 reload_insn_chain instead of using the list of instructions directly.
997 Delete code to keep track of register lives, compute live regs on the
998 fly from information in the chain.
999 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1000 then walk the set it computes and call insert_restore as appropriate.
1002 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1004 Restructure the code a bit. Test hard_regs_saved instead of
1005 hard_regs_need_restore.
1006 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1007 args. All callers changed.
1008 Restructure the code a bit. Use TO_SAVE to determine which regs to
1009 save instead of more complicated test.
1010 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1012 Create a new insn_chain structure for the new insn and place it
1015 * rtl.texi: Update documentation to reflect that reload no longer
1016 puts modes on the insns.
1018 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1020 * function.c (purge_addressof_1): Force the first argument of a
1021 CALL insn to memory.
1023 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1025 * rtl.h: Delete duplicate prototypes. Add some missing
1027 * rtlanal.c: (for_each_rtx): Formatting tweak.
1029 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1031 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1032 to be compatible with TI compiler.
1034 * Makefile.in (USER_H): Add va-c4x.h to definition.
1036 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1038 * function.c (purge_addressof_1): Fix typo in inequality: do
1039 bitfield optimization for equal mode sizes.
1040 * expmed.c (store_bit_field): Don't take subregs of subregs in
1041 the movstrict case. Tidy a potential problem in the multi-word case.
1042 (extract_bit_field): Likewise.
1044 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1046 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1048 Compute max_uid_for_flow by calling get_max_uid after the scan.
1049 (find_basic_blocks_1): Don't emit NOPs here.
1051 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1053 * alias.c (base_alias_check): Accept new args for the modes of the
1054 two references. Use them to determine if an AND can overlap. Update
1056 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1057 to determine if an AND can overlap.
1059 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1061 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1062 check. Add comment to document problems with TARGET_SUN_FPA version
1064 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1066 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1068 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1070 * c-common.c (print_char_table): Add missing initializers.
1071 (scan_char_table): Likewise.
1072 (time_char_table): Likewise.
1074 * c-decl.c (c_decode_option): Mark parameter `argc' with
1076 (declare_parm_level): Mark parameter `definition_flag' with
1079 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1080 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1083 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1085 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1087 (expand_call): Cast result of MIN() to (unsigned int) when
1088 comparing against an unsigned value.
1090 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1092 (make_definition): Remove unused parameter `op'. All callers
1094 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1095 comparing against the result of pointer arithmetic.
1097 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1098 when comparing against one.
1100 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1101 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1103 (output_die): Move variable `i' into the scope in which it is
1104 used. Change its type to `unsigned'.
1105 (output_die): Cast the result of `strlen' to (int) when passing it
1106 to ASM_OUTPUT_ASCII().
1107 (output_pubnames): Likewise.
1108 (output_line_info): Likewise.
1110 * emit-rtl.c (global_rtl): Add missing initializers.
1112 * explow.c (promote_mode): Mark parameter `for_call' with
1115 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1116 `unsigned HOST_WIDE_INT' when comparing against one.
1117 (synth_mult): Change type of variable `cost' to int.
1118 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1120 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1121 when comparing against one.
1122 (get_inner_reference): Change variable `alignment' to unsigned.
1123 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1124 int) when comparing against one.
1125 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1127 * fold-const.c (div_and_round_double): Cast BASE to
1128 (HOST_WIDE_INT) when comparing against one.
1130 * gencheck.c: Include gansidecl.h.
1131 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1133 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1134 `tcode' with ATTRIBUTE_UNUSED.
1136 * real.c (edivm): Cast constant value to (unsigned long) in
1137 expression compared against an unsigned value.
1139 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1140 comparing against one.
1141 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1142 when comparing against one.
1144 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1145 (unsigned int) when comparing against one. Likewise for
1147 (smallest_mode_for_size): Likewise.
1148 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1149 (restore_storage_status): Likewise.
1151 * toplev.c (debug_args): Add missing initializer.
1152 (f_options): Spelling correction. Add missing initializers.
1153 (documented_lang_options): Likewise.
1154 (debug_end_source_file): Mark parameter `lineno' with
1157 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1158 `decl' and `type' with ATTRIBUTE_UNUSED.
1160 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1161 when comparing against one.
1162 (assemble_variable): Mark parameter `top_level' with
1164 (assemble_external_libcall): Mark parameter `fun' with
1166 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1169 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1171 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1172 Replace use of r5 with use of r19.
1174 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1176 * config/v850/v850.c (compute_register_save_size): Allow for the
1177 fact that helper functions save all registers, not just those used
1180 Replace constant 31 with macro LINK_POINTER_REGNUM.
1182 * config/v850/v850.md: Use 'indirect_operand' rather than
1183 'memory_operand' for bit test/set/clear patterns.
1185 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1187 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1188 * varasm.c (assemble_start_function et al): Don't call
1189 ASM_GLOBALIZE_LABEL for weak symbols.
1191 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1193 * cse.c (equiv_constant): Check for NULL return from
1194 gen_lowpart_if_possible().
1196 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1198 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1200 * collect2.c (main): Pass -EL/-EB through to the compiler.
1202 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1204 * expr.c (push_block): Handle targets where the stack grows
1205 to higher addresses, but args grow to lower addresses and
1206 ACCUMULATE_OUTGOING_ARGS is not defined.
1208 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1210 * config/v850/v850.c (print_operand): Extend meaning
1211 of 'c' operands to support .vtinherit.
1213 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1215 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1216 Added ATTRIBUTE_UNUSED to unused function arguments.
1217 (rc_reg_operand): New predicate.
1218 (c4x_rptb_insert): New function.
1219 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1220 (c4x_optimization_options): New function.
1222 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1223 (decrement_and_branch_on_count): New pattern.
1224 (rptb_top): Modified pattern to work with BCT optimization.
1226 * config/c4x/c4x.h (RC_REG): New register class.
1227 (rc_reg_operand): Define prototype.
1228 (IS_RC_REG): New macro.
1229 (IS_RC_OR_PSEUDO_REG): New macro.
1230 (IS_RC_OR_PSEUDO_REGNO): New macro.
1231 (OPTIMIZATION_OPTIONS): Define.
1233 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1235 * collect2.c (extract_init_priority): No priority is 65535.
1237 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1239 * Makefile.in (build_tooldir): new variable, same as old
1240 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1241 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1242 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1244 * configure.in (gxx_include_dir): set default based on unlibsubdir
1245 * Makefile.in (tooldir): ditto
1246 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1247 gxx_include_dir, includedir and tooldir
1248 (protoize.o, unprotoize.o): ditto
1250 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1252 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1254 * config/arm/thumb.c (thumb_override_options): Add warning about
1255 PIC code not being supported just yet.
1257 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1259 * flow.c: Update comment.
1260 (notice_stack_pointer_modification): New static function.
1261 (record_volatile_insns): Use it.
1262 (mark_regs_live_at_end): Mark the stack pointer as alive
1263 at the end of the function if current_function_sp_is_unchanging
1265 (life_analysis_1): Set current_function_sp_is_unchanging.
1266 * function.c: Define it.
1267 (init_function_start): Initialize it.
1268 * output.h: Declare it.
1269 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1270 the stack pointer as alive at the end of the function if
1271 current_function_sp_is_unchanging is set.
1272 * i386.c (ix86_epilogue): Optimize the restoring
1273 of the stack pointer.
1275 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1277 * version.c: Bump for snapshot.
1279 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1281 * c-pragma.c (handle_pragma_token): If passed a token instead
1282 of a tree, use that as the pack value.
1284 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1286 * flow.c (find_basic_blocks_1): Fix prototype.
1288 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1290 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1291 (struct tree_decl): New fields no_check_memory_usage.
1292 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1293 (init_attributes): Register it as a new attribute.
1294 (decl_attributes): Set flags on functions given that attribute.
1295 * c-decl.c (duplicate_decls): Merge new attribute.
1296 * expr.h (current_function_check_memory_usage): Declare new var.
1297 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1298 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1299 current_function_check_memory_usage.
1300 * function.h: Add field to struct function.
1301 * function.c (current_function_check_memory_usage): Define it.
1302 (push_function_context_to, pop_function_context_from): Save and
1304 (expand_function_start): Set it, based on global flag and function
1307 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1308 check non-automatic variables, to permit detection of writes to
1309 read-only locations in embedded systems without memory management.
1310 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1311 when emitting chkr_set_right_libfunc call, even if the argument is
1312 BLKmode or variable-sized; don't abort.
1314 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1315 symbols in Pmode, not VOIDmode.
1317 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1319 * cppexp.c: When forcing unsigned comparisons, cast both sides
1322 * cpphash.h: Move static declaration of hashtab[]...
1323 * cpphash.c: ...here.
1325 * cpplib.c: Cast difference of two pointers to size_t before
1326 comparing it to size_t. Cast signed to unsigned
1327 before comparing to size_t. (FIXME: struct argdata should use
1328 unsigned buffer sizes.)
1329 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1330 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1331 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1332 size_t before comparison.
1334 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1336 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1337 (find_basic_blocks_1): Similarly.
1338 * output.h (find_basic_blocks): Fix prototype.
1339 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1340 find_basic_blocks anymore.
1342 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1344 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1345 (sbitmap_free, sbitmap_vector_free): New macros.
1346 * output.h (rtl_dump_file): Declare.
1348 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1350 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1352 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1354 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1356 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1357 (divide): Remove unused variable `tmp'.
1358 (si_to_float): Cast numeric constant to (SItype) before comparing
1361 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1363 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1364 * gcc.c (add_preprocessor_option): Correct typo when allocating
1365 memory, sizeof() argument had one too many `*'.
1366 (add_assembler_option): Likewise.
1367 (add_linker_option): Likewise.
1368 * gcov.c (output_data): Likewise.
1369 * local-alloc.c (memref_used_between_p): Likewise.
1370 (update_equiv_regs): Likewise.
1371 * loop.c (strength_reduce): Likewise.
1372 * reg-stack.c (record_asm_reg_life): Likewise.
1373 (subst_asm_stack_reg): Likewise.
1374 * reorg.c (dbr_schedule): Likewise.
1376 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1378 * flow.c (life_analysis_1): Break out some functions.
1379 (find_basic_blocks_1): Likewise. Also move some variables out and
1381 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1382 new static var nonlocal_label_list with it.
1383 (active_eh_region, nested_eh_region, label_value_list,
1384 nonlocal_label_list): New static variables.
1385 (make_edges, delete_unreachable_blocks, delete_block): New static
1386 functions, broken out of find_basic_blocks_1.
1387 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1388 noop_move_p): New static functions, broken out of life_analysis_1.
1390 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1392 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1393 Take extra care for op0 now possibly being a subreg.
1394 (extract_bit_field): Likewise.
1395 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1396 the reg to memory if there is no equal sized integral mode.
1397 * stor-layout.c (int_mode_for_mode): New function.
1398 * machmode.h: Prototype it.
1400 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1402 * global.c (build_insn_chain): Verify no real insns exist past the
1403 end of the last basic block, then exit the loop.
1405 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1407 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1409 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1411 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1413 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1415 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1417 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1419 * flow.c (find_basic_blocks): Correctly determine when a call
1420 is within an exception region.
1422 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1424 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1426 * cpplib.h: Protect from multiple inclusions.
1427 * cpplib.c: Fix minor formatting problems.
1429 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1431 * jump.c (jump_optimize): Revert accidental patch.
1433 * Makefile.in (cpplib.o): Use unlibsubdir.
1435 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1437 * loop.c (get_condition): Allow combine when either compare is
1440 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1442 * version.c: Bump for snapshot.
1444 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1446 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1447 (init_lex): Initialize ridpointers[RID_BYREF].
1448 * c-lex.h (enum rid): Add RID_BYREF.
1449 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1450 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1451 (encode_type_qualifiers): Similarly
1452 * c-gperf.h: Rebuilt.
1454 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1456 * c-common.c (type_for_mode): Only return TItype nodes when
1457 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1458 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1459 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1460 (init_decl_processing): Only create TItype nodes when
1461 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1462 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1463 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1465 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1467 * stmt.c (n_occurrences): New static function.
1468 (expand_asm_operands): Verify that all constrains match in the
1469 number of alternatives.
1470 Verify that '+' or '=' are at the beginning of an output constraint.
1471 Don't allow '&' for input operands.
1472 Verify that '%' isn't written for the last operand.
1473 * reload.c (find_reloads): Abort if an asm is found with invalid
1474 constraints; all possible problems ought to be checked for earlier.
1476 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1478 * flags.h (flag_branch_on_count_reg): Always declare
1479 * toplev.c (flag_branch_on_count_reg): Likewise.
1480 * toplev.c: Fix typos.
1482 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1485 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1487 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1489 (find_basic_blocks_1): Add a nop to the end of a basic block when
1490 a trailing call insn does not have abnormal control flow.
1491 * gcse.c (pre_transpout): New variable.
1492 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1493 (compute_pre_transpout): Calculate it.
1494 (compute_pre_ppinout): Use it to eliminate impossible placements
1495 due to abnormal control flow through calls.
1496 (compute_pre_data): Call compute_pre_transpout.
1498 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1500 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1502 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1504 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1505 and matching define_insns): Tack on a `use' of the table label, so
1506 flow analysis will recognize a tablejump.
1508 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1510 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1511 always end basic blocks for abnormal edge reasons.
1513 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1515 * config/i386/i386.h: Remove definition of
1516 HANDLE_PRAGMA_PACK_PUSH_POP.
1518 * config/i386/go32.h: Add definition of
1519 HANDLE_PRAGMA_PACK_PUSH_POP.
1521 * config/i386/win32.h: Add definition of
1522 HANDLE_PRAGMA_PACK_PUSH_POP.
1524 * config/i386/cygwin32.h: Add definition of
1525 HANDLE_PRAGMA_PACK_PUSH_POP.
1527 * c-pragma.c (insert_pack_attributes): Do not insert
1528 attributes unless #pragma pack(push,<n>) is in effect.
1530 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1532 * expr.c (emit_group_store): Handle a PARALLEL destination.
1534 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1536 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1537 the new insns before the argument regs are loaded.
1539 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1541 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1542 (c-parse.gperf): Update comments describing invocation flags.
1543 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1545 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1547 * reload1.c (reload): Call free before clobbering the memory
1548 locations or constants pointers.
1550 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1552 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1553 for efficiency by checking whether we need to modify the current
1554 stack permission at all.
1555 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1556 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1557 __enable_execute_stack libcall here too if
1558 TRANSFER_FROM_TRAMPOLINE is defined.
1559 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1562 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1564 * Makefile.in (DRIVER_DEFINES): Remove last change.
1566 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1568 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1569 insns we're going to copy.
1570 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1572 * loop.c (count_one_set): Add prototype.
1574 * caller-save.c (restore_referenced_regs): Lose mode argument.
1575 (insert_save): Lose mode argument.
1576 (insert_restore): Lose mode argument.
1577 (insert_one_insn): Lose mode argument.
1578 (save_call_clobbered_regs): Lose mode argument.
1579 (setup_save_areas): Take no argument and return void. All callers
1581 Don't verify validity of memory addresses.
1582 * reload.h (setup_save_ares): Adjust prototype.
1583 (save_call_clobbered_regs): Likewise.
1584 * reload1.c (delete_caller_save_insns): New function.
1585 (caller_save_spill_class): Delete variable.
1586 (caller_save_group_size): Delete variable.
1587 (reload): Call setup_save_areas and save_call_clobbered_regs
1588 in the main loop, before calling calculate_needs_all_insns.
1589 Don't call save_call_clobbered_regs after the loop.
1590 Call delete_caller_save_insns at the end of an iteration if
1592 Delete code to manage caller_save_spill_class.
1593 Emit the final note before setting reload_first_uid.
1594 Simplify test that determines whether reload_as_needed gets run.
1595 (calculate_needs): Delete code to manage caller_save_spill_class.
1597 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1599 * collect2.c (main): Initialize ld_file_name.
1601 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1603 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1604 check for flag_function_sections.
1606 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1608 * cse.c (insert_regs): Fix bug in Sep 24 change.
1610 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1612 * flags.h (flag_dump_unnumbered): Declare.
1613 * toplev.c (flag_dump_unnumbered): Don't declare.
1614 * print-rtl.c (flags.h): Include.
1615 (print_rtl_single): Add return value.
1616 * rtl.h (print_rtl_single): Update declaration.
1617 * flow.c (flag_dump_unnumbered): Don't declare.
1618 (print_rtl_with_bb): Use return value of print_rtl_single.
1620 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1622 * loop.c (count_one_set): New static function, broken out of
1624 (count_loop_regs_set): Call it.
1625 * global.c (mark_reg_store): Handle clobbers here by not calling
1627 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1628 is in fact a clobber.
1629 * integrate.c (process_reg_param): New function, broken out of
1630 expand_inline_function.
1631 (expand_inline_function): Call it.
1634 * i386.md (addsidi3_1): Delete unused variable temp.
1635 (addsidi3_2): Likewise.
1636 (clstrstrsi): Delete unused variable addr1.
1638 * rtl.h: Don't declare any functions also declared in recog.h.
1640 * Makefile.in (stupid.o): Update dependencies.
1641 (global.o): Likewise.
1643 * global.c: Include reload.h
1644 (reg_becomes_live): New function.
1645 (reg_dies): New function.
1646 (build_insn_chain): New function.
1647 (global_alloc): Call build_insn_chain before calling reload.
1649 * reload.h (struct needs): New structure definition.
1650 (struct insn_chain): Likewise.
1651 (reload_insn_chain): Declare variable.
1652 (new_insn_chain): Declare function.
1655 * reload1.c (reload_startobj): New variable.
1656 (reload_insn_chain): New variable.
1657 (unused_insn_chains): New variable.
1658 (new_insn_chain): New function.
1659 (init_reload): Initialize reload_startobj, not reload_firstobj.
1660 (reload): Initialize reload_firstobj.
1661 Before returning, free everything on the reload_obstack.
1663 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1664 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1665 current_chain): New variables.
1666 (reg_where_born): Delete variable.
1667 (REG_WHERE_BORN): New macro.
1668 (find_clobbered_regs): New function.
1669 (stupid_life_analysis): Don't allocate/free reg_where_born.
1670 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1671 reg_where_dead_chain.
1672 Use REG_WHERE_BORN instead of reg_where_born.
1673 While processing the insns, build the reload_insn_chain with
1674 information about register lifetimes.
1675 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1676 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1678 Compute and information about birth and death of pseudo registers in
1679 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1680 Delete code to set elements of reg_where_born.
1682 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1684 * tree.def (GOTO_EXPR): Modified documentation.
1685 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1688 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1690 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1691 loop_final_value, loop_comparison_code): No longer static.
1692 (unroll_loop): Delete loop_start_value update.
1693 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1694 loop_final_value, loop_comparison_code): Extern.
1695 (loop_start_value): Delete extern.
1696 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1697 loop_comparison_value, loop_comparison_code): Delete.
1698 (loop_optimize): Remove initialization for deleted variables.
1699 (strength_reduce): Delete analyze_loop_iterations call. Only call
1700 insert_bct if flag_branch_count_on_reg set.
1701 (analyze_loop_iterations): Delete.
1702 (insert_bct): Remove iteration count calculation. Move checks for
1703 viable BCT optimization to here. Obtain iteration count from
1704 loop_iterations and correct for unrolling. Check for enough
1705 iteration to be beneficial. Comment out runtime iteration count
1707 (insert_bct): Print iteration count in dump file. Remove
1708 loop_var_mode and use word_mode directly.
1710 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1711 * rs6000.c (rs6000_override_options): Use it.
1712 (optimization_options): Enable use of flag_branch_on_count_reg.
1713 * rs6000.md (define_function_unit): Describe 604e.
1715 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1717 * loop.c (move_movables): Corrected threshold calculation for
1718 moved_once registers.
1720 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1722 * loop.c (combine_givs_p): Fix test for identical givs.
1724 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1726 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1727 call abort if the function is already defined.
1729 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1731 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1732 truncation is not a no-op.
1734 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1736 * version.c: Bump for snapshot.
1738 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1740 * version.c: Bump for snapshot.
1742 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1744 * expmed.c (expand_divmod): Don't widen for computing remainder
1745 if we seem to have a divmod pattern for needed mode.
1747 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1749 * cpplib.c (macroexpand): Correct off-by-one error in handling
1752 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1754 * combine.c (expand_field_assignment): Don't do bitwise operations
1755 on MODE_FLOAT; pun to MODE_INT if possible.
1757 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1758 scott snyder <snyder@d0sgif.fnal.gov>
1760 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1761 linker. Recognize mangled names in quotes.
1763 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1765 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1766 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1767 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1768 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1770 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1772 * function.c (purge_addressof_1): If trying to take a sub-word
1773 integral piece of a floating point mode, put it on the stack.
1775 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1777 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1779 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1781 * PROJECTS: Remove template friends.
1783 * collect2.c (sort_ids): Remove unused variable.
1785 * tm.texi (MATH_LIBRARY): Document.
1786 (NEED_MATH_LIBRARY): Remove.
1788 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1789 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1791 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1793 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1794 last_end to 0x7fffffff.
1796 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1798 * function.c (purge_addressof_1): Do not perform endianness
1799 corrections on bitpos, who we call will do it for us.
1801 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1803 * h8300.c (WORD_REG_USED): Fix typo.
1804 (initial_offset): Use WORD_REG_USED.
1806 * h8300.c (handle_pragma): Fix typo.
1808 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1810 * caller-save.c (insert_save_restore): Break this function up
1811 into new functions insert_restore, insert_save and insert_one_insn.
1812 All callers changed.
1813 (insert_restore): New function, mostly broken out of
1814 insert_save_restore.
1815 (insert_save): Likewise.
1816 (insert_one_insn): Likewise.
1817 (restore_referenced_regs): New argument BLOCK. All callers changed.
1818 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1819 in this function, do it in insert_one_insn instead.
1821 * reload1.c (reload): Break out some more pieces into separate
1823 (dump_needs): New function, broken out of reload.
1824 (set_initial_elim_offsets): Likewise.
1825 (init_elim_table): Likewise.
1826 (update_eliminables): Likewise.
1828 * global.c (global_alloc): Delete code to manage the scratch_list.
1829 * local-alloc.c (qty_scratch_rtx): Delete.
1830 (scratch_block): Delete.
1831 (scratch_list): Delete.
1832 (scratch_list_length): Delete.
1833 (scratch_index): Delete.
1834 (alloc_qty_for_scratch): Delete.
1835 (local-alloc): Update initialization of max_qty.
1836 Delete code to manage the scratch list.
1837 Delete code to allocate/initialize qty_scratch_rtx.
1838 (block_alloc): Don't allocate quantities for scratches.
1839 Delete code to manage the scratch list.
1840 * regs.h (scratch_list): Delete declaration.
1841 (scratch_block): Delete declaration.
1842 (scratch_list_length): Delete declaration.
1843 * reload1.c (reload): Delete code to manage the scratch list.
1844 (spill_hard_reg): Likewise.
1845 (mark_scratch_live): Delete.
1847 * recog.c (alter_subreg): Delete declaration.
1849 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1851 * Makefile.in (cccp.o): Fix typo in last patch.
1853 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1855 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1856 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1858 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1860 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1861 NULL_RTX as an argument.
1863 * Makefile.in (unlibsubdir): Define.
1864 (DRIVER_DEFINES): Use unlibsubdir.
1865 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1866 (stmp-fixinc): Similarly.
1868 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1870 * regmove.c (regmove_optimize): Add variable old_max_uid.
1871 At the end of the function, update basic_block_end.
1873 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1875 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1876 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1879 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1881 * config/arm/arm.c: Improve interworking support.
1883 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1885 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1886 copied from reload_out[r] .
1888 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1890 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1891 with more than three size ranges.
1893 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1895 * rtl.c (mode_name): Add a null string at the end of the array.
1896 (mode_wider_mode): Change type to unsigned char.
1897 (mode_mask_array): New variable.
1898 (init_rtl): Update for mode_wider_mode type change.
1900 * rtl.h (mode_wider_mode): Change type to unsigned char.
1901 (mode_mask_array): Declare.
1902 (GET_MODE_MASK): Use mode_mask_array.
1904 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1906 * calls.c (expand_call) : Encapsulate code into
1907 copy_blkmode_from_reg.
1908 * expr.c (copy_blkmode_from_reg): New function.
1909 * expr.h (copy_blkmode_from_reg): New function.
1910 * integrate.c (function_cannot_inline_p): We can inline
1912 (expand_inline_function): Use copy_blkmode_from_reg
1913 if needed. Avoid creating BLKmode REGs.
1914 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1917 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1919 * config/v850/v850.c: Add function prototypes.
1920 Add support for v850 special data areas.
1922 * config/v850/v850.h: Add support for v850 special data areas.
1924 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1925 HANDLE_PRAGMA_PACK_PUSH_POP.
1926 (push_alignment): New function: Cache an alignment requested
1927 by a #pragma pack(push,<n>).
1928 (pop_alignment): New function: Pop an alignment from the
1930 (insert_pack_attributes): New function: Generate __packed__
1931 and __aligned__ attributes for new decls whilst a #pragma pack
1933 (add_weak): New function: Cache a #pragma weak directive.
1934 (handle_pragma_token): Document calling conventions. Add
1935 support for #pragma pack(push,<n>) and #pragma pack (pop).
1937 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1938 are defined enable HANDLE_PRAGMA_PACK.
1939 Move 'struct weak_syms' here (from varasm.c).
1940 Add pragma states for push and pop pragmas.
1942 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1945 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1946 HANDLE_GENERIC_PRAGMAS.
1948 * varasm.c: Move definition of 'struct weak_syms' into
1950 (handle_pragma_weak): Deleted.
1952 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1954 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1956 * c-decl.c (start_function): Add invocation of
1957 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1959 * tm.texi: Remove description of non-existant macro
1960 SET_DEFAULT_SECTION_NAME.
1962 (HANDLE_SYSV_PRAGMA): Document.
1963 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1965 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1967 * config.sub: Recognize i[34567]86-pc-udk as new target.
1968 * configure.in: Likewise.
1969 * config/i386/t-udk: New file.
1970 * config/i386/udk.h: New file.
1972 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1974 * reorg.c (check_annul_list_true_false): Remove unused variables.
1975 (steal_delay_list_from_target): Add missing "used_annul" variable.
1976 (try_merge_delay_insns): Close out half formed comment.
1978 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1980 * cpplib.c (macroexpand): If arg->raw_before or
1981 arg->raw_after, remove any no-reexpansion escape at the
1982 beginning of the pasted token. Correct handling of whitespace
1983 markers and no-reexpand markers at the end if arg->raw_after.
1985 * toplev.c (documented_lang_options): Recognize -include,
1986 -imacros, -iwithprefix, -iwithprefixbefore.
1987 * cpplib.c (cpp_start_read): Process -imacros and -include
1988 switches at the same time and in command-line order, after
1989 initializing the dependency-output code. Emit properly nested
1990 #line directives for them. Emit a #line for the main file
1991 before processing these switches, and don't do it again
1994 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1996 * function.c (purge_addressof_1): Use bitfield manipulation
1997 routines to handle mem mode < reg mode.
1999 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2001 * reorg.c (try_merge_delay_insns): Account for resources referenced
2002 in each instruction in INSN's delay list before trying to eliminate
2003 useless instructions. Similarly when looking at a trial insn's delay
2006 * reorg.c (check_annul_list_true_false): New function.
2007 (steal_delay_list_from_{target,fallthrough}): Call it and also
2008 refine tests for when we may annul if already filled a slot.
2009 (fill_slots_from_thread): Likewise.
2010 (delete_from_delay_slot): Return newly-created thread.
2011 (try_merge_delay_isns): Use its new return value.
2013 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2015 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2016 used to compute a giv or as some other non-counting use.
2018 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2020 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2021 * local-alloc.c (find_free_reg): Use it.
2022 * global.c (find_reg): Likewise.
2023 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2025 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2026 * caller-save.c (init_caller_save): Use it.
2027 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2029 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2031 * configure.in: Add --enable-cpplib option which uses cpplib
2032 for cpp, but doesn't link cpplib into cc1. Make help text
2033 capitalization consistent.
2034 * configure: Rebuilt.
2036 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2038 * function.c (gen_mem_addressof): If the address REG is
2039 REG_USERVAR_P make the new REG be so also.
2040 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2041 in an attempt to clarify slightly.
2043 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2045 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2046 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2048 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2050 * toplev.c: Fix last patch.
2052 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2054 * loop.c (get_condition): Fix typo in May 9 change.
2056 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2058 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2060 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2062 * toplev.c (documented_lang_options): Spelling corrections.
2064 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2066 * configure.in: new flags --with-ld and --with-as, equivalent
2067 to setting LD and AS environment variables. Test whether
2068 specified arguments are GNU commands, and report them with
2069 checking messages. Use the specified AS for configure
2072 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2074 * gcc.c (find_a_file): when looking for `as' and `ld', return
2075 the DEFAULT program if it exists
2076 * collect2.c (main): use DEFAULT_LINKER if it exists
2078 * gcc.c (find_a_file): the test for existence of a full
2079 pathname was reversed
2081 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2083 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2084 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2086 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2088 * tree.h (TYPE_BINFO): Document.
2090 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2092 * i386-coff.h (dbxcoff.h): Added.
2094 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2096 * toplev.c: fix bad patch around flag_data_sections.
2098 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2100 * reload1.c (reload): Use reload_address_index_reg_class and
2101 reload_address_base_reg_class when setting
2102 caller_save_spill_class. (Patch generated by Jim Wilson:
2105 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2107 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2108 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2109 * expr.c (store_field): Add alias_set parameter. Set the
2110 MEM_ALIAS_SET accordingly, if the target is a MEM.
2111 (expand_assignment): Use it.
2112 (store_constructor_field): Pass 0.
2113 (expand_expr): Likewise.
2115 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2117 * flags.h: Add flag_data_sections.
2118 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2119 (compile_file): Error if flag_data_sections not supported.
2120 * varasm.c (assemble_variable): Handle flag_data_sections.
2121 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2122 * config/mips/elf.h: Likewise.
2123 * config/mips/elf64.h: Likewise.
2124 * invoke.texi: Describe -fdata-sections.
2126 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2128 * invoke.texi (-ffloat-store): Clarify that this option
2129 does not affect intermediate results -- only variables.
2131 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2133 * cpp.texi: Update for Fortran usage from Craig.
2135 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2137 * rs6000.c (function_arg_boundary): Revert accidental change on
2140 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2142 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2143 (output_mi_thunk): Declare.
2145 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2146 (output_function_profiler): Use r12 for temp, instead of r11 so
2147 that we preserve the static chain register.
2149 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2151 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2153 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2155 * sh.c (gen_shl_sext): Fix case 5.
2157 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2159 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2161 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2163 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2164 accessing variables until they are initialized via va_arg().
2166 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2168 * reload1.c (reload_combine): Initialize set before using.
2170 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2172 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2175 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2177 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2178 operand3 with mask before using it. Patch provided by Jim Wilson.
2180 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2182 * config/sparc/sparc.c (function_value): Perform the equivalent of
2183 PROMOTE_MODE for ARCH64.
2184 (eligible_for_epilogue_delay): Allow DImode operations in delay
2185 slot of a return for ARCH64.
2187 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2189 * sh.md (sqrtsf2): Fix mode of sqrt.
2191 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2193 * reload1.c (choose_reload_regs): Also try inheritance when
2194 reload_in is a stack slot of a pseudo, even if we already got a
2197 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2199 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2200 (reload_cse_regs): New function body: call reload_cse_regs_1,
2201 reload_combine, reload_cse_move2add.
2202 When doing expensive_optimizations, call reload_cse_regs_1 a
2203 second time after reload_cse_move2add.
2204 (reload_combine, reload_combine_note_store): New functions.
2205 (reload_combine_note_use): New function.
2206 (reload_cse_move2add, move2add_note_store): New functions.
2208 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2210 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2211 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2213 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2214 more than 3 such reloads.
2216 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2217 RELOAD_FOR_X_ADDR_ADDR reload.
2219 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2221 * expr.c (store_constructor): When initializing a field that is smaller
2222 than a word, at the start of a word, try to widen it to a full word.
2224 * cse.c (cse_insn): When we are about to change a register,
2225 remove any invalid references to it.
2227 (remove_invalid_subreg_refs): New function.
2228 (mention_regs): Special treatment for SUBREGs.
2229 (insert_regs): Don't strip SUBREG for call to mention_regs.
2230 Check if reg_tick needs to be bumped up before that call.
2231 (lookup_as_function): Try to match known word_mode constants when
2232 looking for a norrower constant.
2233 (canon_hash): Special treatment for SUBREGs.
2235 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2237 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2238 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2239 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2240 and offsets in actual stack trampoline code so they match the
2241 commentary and actually work.
2243 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2245 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2247 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2248 tmake_file. Set extra_parts to needed crt objects.
2249 * configure: Rebuilt.
2250 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2251 (TARGET_DEFAULT): Set if default is v9 or ultra.
2252 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2253 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2254 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2255 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2256 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2257 (TARGET_VERSION): Define.
2258 (MULTILIB_DEFAULT): Define.
2259 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2260 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2261 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2263 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2264 * config/sparc/sparc.c (sparc_override_options): If arch and
2265 pointer size disagree, emit diagnostic and fix it up. If
2266 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2267 V8PLUS in 64-bit mode.
2268 * config/sparc/t-linux64: New file.
2269 * config/sparc/t-sol2-64: New file.
2270 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2271 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2272 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2273 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2274 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2275 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2277 (STARTFILE_SPEC): Set approriately based upon those.
2278 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2279 disposition of DEFAULT_ARCH32_P.
2280 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2281 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2282 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2283 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2284 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2286 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2288 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2290 * rtl.h (init_virtual_regs): New function.
2291 * emit-rtl.c (init_virtual_regs): Define.
2292 (insn_emit): Use it.
2293 * integrate.c (save_for_inline_copying): Likewise.
2295 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2297 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2298 (enum reg_class): Add NONARG_LO_REGS support.
2299 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2300 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2301 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2302 completes. Re-enable HImode REG+OFFSET addresses.
2303 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2305 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2307 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2309 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2310 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2311 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2313 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2315 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2316 jumps as a single entity, taking into account the size of the
2319 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2321 * tree.def (SWITCH_EXPR): New tree node definition.
2323 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2325 * version.c: Bump for snapshot.
2327 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2329 * version.c: Bump for snapshot.
2331 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2333 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2336 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2338 * Revert this patch.
2339 * reload.c (find_reloads): Do not replace a pseudo with
2340 (MEM (reg_equiv_addr)) in the initializing insn for the
2343 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2345 * final.c (final_scan_insn): Disable tracking CC across branches.
2347 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2349 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2350 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2351 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2352 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2353 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2355 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2357 * toplev.c (rest_of_compilation): Skip compiling anything with
2358 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2360 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2362 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2363 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2364 use in_libcall_block.
2365 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2366 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2369 Mon Sep 21 14:02:23 1998
2371 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2372 typo in no-fancy-math-387 description.
2374 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2376 * version.c: Bump for snapshot.
2378 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2380 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2382 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2384 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2385 documented in install.texi.
2386 (TARGET_OPTIONS) Likewise.
2388 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2390 * version.c: Bump for snapshot.
2392 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2394 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2395 * cccp.c (main): Likewise.
2397 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2398 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2401 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2403 * Makefile.in (LIBS): Link in libiberty.a.
2404 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2406 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2408 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2409 it to update bb boundaries. Update caller.
2410 * function.c (reposition_prologue_and_epilogue_notes): Update
2411 bb boundaries wrt the moved note.
2413 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2415 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2417 * configure: Regenerate.
2419 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2421 * alpha.c (alpha_sr_alias_set): New variable.
2422 (override_options): Set it.
2423 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2424 (mode_mask_operand): Fix signed-unsigned comparision warning.
2425 (alpha_expand_block_move): Likewise.
2426 (print_operand): Likewise.
2427 (get_aligned_mem): Use change_address.
2428 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2429 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2430 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2431 (alpha_align_insns): Remade from old alphaev5_align_insns
2432 to handle multiple processors.
2433 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2434 * output.h (label_to_alignment): Prototype.
2436 * tree.c (new_alias_set): New function.
2437 * tree.h (new_alias_set): Declare it.
2438 * c-common.c (c_get_alias_set): Use it.
2440 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2442 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2443 to an ABS expr, convert an unsigned input to signed.
2445 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2447 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2449 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2451 * configure.in: Add support for c4x targets.
2452 * configure: Rebuilt.
2454 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2456 * combine.c (distribute_notes): If an insn is a cc0 user, only
2457 delete it if we can also delete the cc0 setter.
2459 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2461 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2462 (invert_truthvalue): Enable truthvalue inversion for
2463 floating-point operands if -ffast-math.
2465 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2467 * configure.in: Disable collect2 for nextstep. Instead use
2469 * configure: Rebuilt.
2470 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2471 (ENDFILE_SPEC): Define.
2472 (OBJECT_FORMAT_MACHO): Define.
2473 (EH_FRAME_SECTION_ASM_OP): Define.
2474 * crtstuff.c: Handle MACHO.
2476 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2478 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2480 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2482 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2483 (_fpadd_parts): Get sign right for 0.
2485 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2487 * ginclude/varargs.h: Add support for C4x target.
2488 * ginclude/stdargs.h: Likewise.
2490 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2492 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2493 (alpha_emit_set_long_const): Rewrite to be callable from reload
2495 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2496 * alpha.md (movdi): Likewise.
2498 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2500 * arm.c (add_constant): New parameter address_only, change caller.
2501 Set it non-zero if taking the address of an item in the pool.
2502 (arm_reorg): Handle cases where we need the address of an item in
2505 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2507 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2508 memory addresses that are not in standard canonical form.
2510 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2512 * README.C4X: New file with information about the c4x ports.
2513 * ginclude/va-c4x.h: New file for c4x varargs support.
2514 * config/c4x: New directory with c4x port files.
2516 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2518 * reload.c (find_reloads): Do not replace a pseudo with
2519 (MEM (reg_equiv_addr)) in the initializing insn for the
2522 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2524 * toplev.c (rest_of_compilation): Set bct_p on second call to
2526 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2528 (strength_reduce): Only call analyze_loop_iterations and
2529 insert_bct if bct_p set.
2530 (check_dbra_loop): Fix typo.
2531 (insert_bct): Use word_mode instead of SImode.
2532 (instrument_loop_bct): Likewise. Do not delete iteration count
2533 condition code generation insn. Initialize iteration count before
2535 * rtl.h (loop_optimize): Update prototype.
2537 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2538 not doubleword aligned.
2540 * rs6000.c (optimization_options): New function.
2541 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2542 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2543 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2544 first; cr1 can be used for FP record condition insns.
2546 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2548 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2551 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2554 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2556 (block_move_call): New function: Call a library routine to copy a
2558 (m32r_expand_block_move): New function: Expand a "movstrsi"
2559 pattern into a sequence of insns.
2560 (m32r_output_block_move): New function: Expand a
2561 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2562 (m32r_block_immediate_operand): New function: Return true if the
2563 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2565 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2567 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2569 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2571 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2573 * regmove.c (copy_src_to_dest): Check that modes match.
2575 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2577 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2579 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2581 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2582 narrower than FLOAT_REGS.
2584 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2586 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2588 * Makefile.in (old_gxx_include_dir): removed
2590 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2592 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2595 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2596 (sh_handle_pragma): Change function arguments to match new
2597 specification for HANDLE_PRAGMA.
2599 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2601 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2603 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2604 When generating output, initialize missing struct member to zero.
2606 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2608 * regmove.c (copy_src_to_dest): Don't copy if that requires
2609 (a) new register(s).
2611 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2613 * global.c (reg_allocno): Now static.
2614 * reload1.c (reg_allocno): Delete declaration.
2615 (order_regs_for_reload): Take no arguments. Don't treat regs
2616 allocated by global differently than those allocated by local-alloc.
2618 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2620 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2621 condition, fix format strings.
2622 (output_function_epilogue): Likewise.
2624 * m68k/m68k.c: Don't include <stdlib.h> directly.
2626 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2628 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2629 mem_first_set, mem_last_set; because 0 can be a CUID.
2630 (oprs_unchanged_p): Use new definition.
2631 (record_last_reg_set_info): Likewise.
2632 (record_last_mem_set_info): Likewise.
2633 (compute_hash_table): Likewise.
2635 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2637 * rs6000.c (output_epilogue): Handle Chill.
2639 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2640 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2642 * combine.c (make_extraction): If no mode is specified for
2643 an operand of insv, extv, or extzv, default it to word_mode.
2644 (simplify_comparison): Similarly.
2645 * expmed.c (store_bit_field): Similarly.
2646 (extract_bit_field): Similarly.
2647 * function.c (fixup_var_regs_1): Similarly.
2648 * recog.c (validate_replace_rtx_1): Similarly.
2649 * mips.md (extv, extzv, insv expanders): Default modes for most
2650 operands. Handle TARGET_64BIT.
2651 (movdi_uld, movdi_usd): New patterns.
2653 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2654 equivalent memory location unless we have been provided a scratch
2655 register. Similarly do not call find_replacement unless a
2656 scratch register has been provided.
2658 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2660 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2663 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2665 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2666 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2667 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2668 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2669 * c-decl.c (init_decl_processing): Update accordingly.
2670 * expr.c (expand_builtin): Likewise.
2672 * rtl.h (global_rtl): Add cfa entry.
2673 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2674 (LAST_VIRTUAL_REGISTER): Update.
2675 * emit-rtl.c (global_rtl): Add cfa entry.
2676 (init_emit): Initialize it.
2677 * function.c (cfa_offset): New.
2678 (instantiate_virtual_regs): Initialize it.
2679 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2680 (expand_function_end): Call expand_eh_return.
2681 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2683 * except.c (current_function_eh_stub_label): Kill.
2684 (current_function_eh_old_stub_label): Likwise; update all references.
2685 (expand_builtin_set_return_addr_reg): Kill.
2686 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2687 (expand_builtin_set_eh_regs): Kill.
2688 (eh_regs): Produce a third reg for the actual handler address.
2689 (eh_return_context, eh_return_stack_adjust): New.
2690 (eh_return_handler, eh_return_stub_label): New.
2691 (init_eh_for_function): Initialize them.
2692 (expand_builtin_eh_return, expand_eh_return): New.
2693 * except.h: Update prototypes.
2694 * flow.c (find_basic_blocks_1): Update references to the stub label.
2695 * function.h (struct function): Kill stub label elements.
2697 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2698 register number is one that would be in the previous window.
2699 Provide a dummy definition for non-windowed targets.
2700 (get_reg_addr): New function.
2701 (get_reg, put_reg, copy_reg): Use it.
2702 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2703 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2705 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2706 (alpha_init_expanders): Initialize it.
2707 (alpha_expand_epilogue): Use it.
2708 * alpha.h: Declare it.
2709 * alpha.md (eh_epilogue): New.
2711 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2712 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2714 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2716 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2719 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2721 * except.h (struct eh_entry): Add false_label field.
2722 (end_catch_handler): Add prototype.
2723 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2724 (start_catch_handler): When using old style exceptions, issue
2725 runtime typematch code before continuing with the handler.
2726 (end_catch_handler): New function, generates label after handler
2727 if needed by older style exceptions.
2728 (expand_start_all_catch): No need to check for new style exceptions.
2729 (output_exception_table_entry): Only output the first handler label
2730 for old style exceptions.
2731 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2732 mechanism into one function, if a runtime matcher is provided.
2734 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2736 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2738 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2740 * integrate.c (copy_decl_list): Fix typo.
2742 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2744 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2747 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2749 * version.c: Bump for snapshot.
2751 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2753 * version.c: Bump for snapshot.
2755 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2757 * version.c: Bump for snapshot.
2759 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2761 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2763 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2765 * configure.in: remove usage of `!' to negate the result of a
2766 command; some common shells do not support it
2768 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2770 * configure.in: in sparc9-sol2 config, use 'if test' not
2772 * configure: Rebuilt.
2774 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2776 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2777 (CPP_CPU_DEFAULT_SPEC): Likewise.
2778 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2779 for arch64 libfuncs.
2781 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2784 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2786 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2788 * collect2.c: Don't declare `sys_siglist' here.
2789 (my_strsignal): Prototype and define new function. Use it in
2790 place of `sys_siglist' hacks.
2792 * mips_tfile.c: Likewise.
2794 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2795 (GCC_NEED_DECLARATIONS): Likewise.
2797 * system.h (strsignal): Prototype it, if necessary.
2798 (sys_siglist): Declare it, if necessary.
2800 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2802 * loop.c (move_movables): While removing insn sequences, preserve
2803 the next pointer of the most recently deleted insn when we skip
2806 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2808 * objc/config-lang.in: Do not output the name of the selected
2809 thread file when building the front-end. The Makefile for the
2810 runtime library will do this.
2812 * objc/Make-lang.in: Do not build the runtime library or install
2813 the Objective C header files. The Makefile for the runtime
2814 library will do this.
2816 * objc/Makefile.in (all.indirect): Only build the front-end.
2817 (compiler): Rename to `frontend'.
2818 (obj-runtime): Remove target.
2819 (copy-headers): Likewise.
2820 (clean): No need to remove `libobjc.a' any longer.
2822 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2824 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2825 supported with -mcpu=xxx.
2827 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2829 * flow.c (mark_set_1): Recognize multi-register structure return
2830 values in CALL insns.
2831 (mark_used_regs): Likewise.
2832 (count_reg_sets_1): Likewise.
2833 (count_reg_references): Likewise.
2834 * rtlanal.c (note_stores): Likewise.
2835 (reg_overlap_mentioned_p): Likewise.
2836 * haifa-sched.c (check_live_1): Likewise.
2837 (update_live_1): Likewise.
2838 (sched_analyze_1): Likewise.
2839 (sched_note_set): Likewise.
2840 (birthing_insn_p): Likewise.
2841 (attach_deaths): Likewise.
2843 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2846 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2848 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2850 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2852 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2854 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2856 * configure.in: Add check for GAS subsection -1 support.
2857 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2858 * configure config.in: Rebuilt.
2859 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2860 SImode is subsection -1 works, else use DImode.
2861 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2862 subsection -1 works.
2863 * config/sparc/sparc.c (sparc_output_addr_vec,
2864 sparc_output_addr_diff_vec): Use them if defined.
2866 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2868 * tree.h (DECL_ORIGIN): New macro.
2869 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2870 (copy_decl_list): Use it.
2871 (integrate_parm_decls): Likewise.
2872 (integrate_decl_tree): Likewise.
2873 * dwarf2out.c (decl_ultimate_origin): Simplify.
2874 * dwarfout.c (decl_ultimate_origin): Likewise.
2875 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2876 (pushdecl): Likewise.
2878 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2880 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2882 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2884 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2886 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2888 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2889 empty or has a single entry.
2891 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2892 before calling reg_to_stack.
2894 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2896 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2897 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2899 * c-tree.h (warn_long_long): Declare it.
2901 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2903 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2904 initialized float-int union if the value is a NaN.
2906 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2908 * c-lex.c (real_yylex): Don't warn about long long constants if
2909 we're allowing long long
2911 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2913 * except.h (current_function_eh_stub_label): Declare.
2914 (current_function_eh_old_stub_label): Declare.
2915 * function.h (struct function): New members eh_stub_label and
2917 * except.c (current_function_eh_stub_label): New variable.
2918 (current_function_eh_old_stub_label): New variable.
2919 (init_eh_for_function): Clear them.
2920 (save_eh_status): Save them.
2921 (restore_eh_status): Restore them.
2922 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2923 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2924 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2925 make an edge from the block that contains it to the block starting
2926 with the label if this label is one of the eh stub labels.
2927 If eh stub labels exist, show they are reachable from the last block
2930 * reload1.c (reload): Break out several subroutines and make some
2932 (calculate_needs_all_insns): New function, broken out of reload.
2933 (calculate_needs): Likewise.
2934 (find_reload_regs): Likewise.
2935 (find_group): Likewise.
2936 (find_tworeg_group): Likewise.
2937 (something_needs_reloads): New global variable, formerly in reload.
2938 (something_needs_elimination): Likewise.
2939 (caller_save_spill_class): Likewise.
2940 (caller_save_group_size): Likewise.
2941 (max_needs): Likewise.
2942 (group_size): Likewise.
2943 (max_groups): Likewise.
2944 (max_nongroups): Likewise.
2945 (group_mode): Likewise.
2946 (max_needs_insn): Likewise.
2947 (max_groups_insn): Likewise.
2948 (max_nongroups_insn): Likewise.
2949 (failure): Likewise.
2951 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2953 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2955 * loop.c (load_mems): Copy rtx for output mem.
2957 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2959 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2960 mips1 or mips2 either.
2962 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2964 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2966 (pa_adjust_insn_length): Update to work with new marking scheme
2967 for jumps inside switch tables.
2968 * pa.md (switch_jump): Remove pattern.
2969 (jump): Handle jumps inside jump tables.
2971 * Makefile.in (profile.o): Depend on insn-config.h
2973 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2975 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2977 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2979 Add preliminary native sparcv9 Solaris support.
2980 * configure.in: Recognize sparv9-*-solaris2*
2981 * configure: rebuilt
2982 * config.sub: Recognize sparcv9 just like sparc64.
2983 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2984 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2985 32-bit and 64-bit Solaris systems.
2986 * config/sparc/t-sol2: Assemble those with cpp.
2987 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2988 (*TF*_LIBCALL): If ARCH64 use V9 names.
2989 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2991 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2993 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2994 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2996 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2998 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2999 to Pmode if CASE_VECTOR_MODE is something else.
3001 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3003 * prefix.c (update_path): Correctly handle cases where PATH is
3004 a substring of the builtin prefix, but specifies a different
3007 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3009 * expr.c: Corrected comment about what MOVE_RATIO does.
3010 * config/alpha/alpha.h: Ditto.
3011 * config/1750a/1750a.h: Ditto.
3012 * config/clipper/clipper.h: Ditto.
3013 * config/i386/i386.h: Ditto.
3015 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3017 * configure.in (m68k-next-nextstep3*): Use collect2.
3018 Similarly for x86 NeXT configurations.
3019 * configure: Rebuilt.
3021 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3023 * configure.in: Don't assume srcdir is .../gcc
3024 * configure: Rebuilt.
3026 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3028 * global.c: Update comments.
3029 (global_alloc): Assign allocation-numbers
3030 even for registers allocated by local_alloc in case
3031 they are later spilled and retry_global_alloc is called.
3032 (mark_reg_store, mark_reg_clobber,
3033 mark_reg_conflicts, mark_reg_death): Always record a
3034 conflict with a pseudo register even if it has been
3035 assigned to a hard register.
3036 (dump_conflicts): Don't list pseudo registers already assigned to
3037 a hard register as needing to be allocated, but do list their
3039 * local-alloc.c: Update comment.
3041 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3043 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3044 * configure: Rebuilt.
3046 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3048 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3050 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3051 for all targets that set -msoft-float.
3053 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3055 * toplev.c (print_switch_values): Make static to match prototype.
3057 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3059 * configure.in: If we are unable to find the "gnatbind" program,
3060 then do not configure the ada subdir.
3061 * configure: Rebuilt.
3063 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3065 * version.c: Bump for snapshot.
3067 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3069 * version.c: Bump for snapshot.
3071 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3073 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3074 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3076 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3078 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3080 * genextract.c: Have insn-extract.c include toplev.h.
3082 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3084 * toplev.c: Include expr.h.
3085 (really_sorry, fancy_abort): Remove prototypes.
3086 (set_target_switch): Add argument in prototype.
3087 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3088 (v_really_sorry): Likewise.
3089 (print_version, print_single_switch, print_switch_values): Make
3090 static and add prototype arguments.
3091 (decl_printable_name): Add prototype arguments.
3092 (lang_expand_expr_t): New typedef.
3093 (lang_expand_expr): Declare as a lang_expand_expr_t.
3094 (incomplete_decl_finalize_hook): Add prototype argument.
3095 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3096 (botch): Likewise for variable `s'.
3097 (rest_of_type_compilation): Mark variables `type' and `toplev'
3098 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3099 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3100 (display_help): Make variable `i' an `unsigned long'.
3101 (main): Remove unused parameter `envp'.
3102 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3103 Cast -1 when comparing it with a `size_t'.
3105 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3106 prototype with ATTRIBUTE_NORETURN.
3107 (fatal_insn_not_found, fatal_insn, really_sorry,
3108 push_float_handler, pop_float_handler): Add prototypes.
3109 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3110 (do_abort, botch): Add prototypes.
3112 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3114 * final.c (final): If a label is reached only from a single jump,
3115 call NOTICE_UPDATE_CC on the jump and its predecessor before
3116 emitting the insn after the label.
3118 * i386.h: Add AMD K6 support.
3119 Change TARGET_* macros to use table lookup.
3120 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3121 (ADJUST_COST): Change definition to call function in i386.c.
3122 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3123 * i386.c: Add AMD K6 support.
3124 Add constants for feature tests used by TARGET_* macros.
3125 (split_di): If before reload, call gen_lowpart and gen_highpart.
3126 (x86_adjust_cost): New function.
3127 (put_jump_code): New function.
3128 (print_operand): New codes 'D' and 'd'.
3129 * i386.md: New insn types. New insn attribute "memory".
3130 Redefine scheduling parameters to use new types and add AMD K6
3131 support. Explicitly set type of most insns.
3132 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3133 Pro and K6 prefer movl $1,reg to incl reg.
3134 (adddi3, subdi3): Set cc_status.
3135 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3136 to int; x86 can't have more than 2^31 DImode shifts per file.
3137 (setcc): Combine all setcc patterns. Allow writing memory.
3138 Combine all jump patterns using match_operator.
3139 (*bzero): Name pattern. Emit mutliple stos instructions when that
3140 is faster than rep stos.
3141 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3144 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3146 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3149 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3151 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3152 not whatever we're generating now.
3154 * alpha.c (set_frame_related_p, FRP): New.
3155 (alpha_expand_prologue): Mark frame related insns.
3156 (alpha_expand_epilogue): Likewise, but with a null FRP.
3157 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3158 * alpha.md (exception_receiver): New.
3159 * alpha/crtbegin.asm (.eh_frame): New beginning.
3160 (__do_frame_setup, __do_frame_takedown): New.
3161 * alpha/crtend.asm (.eh_frame): New ending.
3162 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3163 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3164 (ASM_FILE_START): Don't emit .file for dwarf2.
3166 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3167 * rtl.c (reg_note_name): Likewise.
3168 * rtl.texi (REG_NOTES): Likewise.
3169 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3172 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3174 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3175 * i386.md (movsf, movdf, movxf): Validate memory address returned
3176 from force_const_mem. Kill useless REG_EQUAL setting code.
3178 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3180 * m68k.md (zero_extendsidi2): Fix typo.
3182 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3184 * configure.in: Removed references to the removed file
3185 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3186 * arm*-*-netbsd* and ns32k-*-netbsd*.
3187 * config/i386/xm-netbsd.h: Removed unnecessary file.
3188 * config/m68k/xm-netbsd.h: Likewise.
3189 * config/sparc/xm-netbsd.h: Likewise.
3190 * config/mips/xm-netbsd.h: Likewise.
3192 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3194 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3195 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3197 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3198 for exact section attributions.
3200 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3202 * i386/crtdll.h (CPP_PREDEFINES): Define.
3204 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3206 * m68k.md (5200 movqi): Do not allow byte sized memory references
3208 * m68k.c (output_move_qimode): Do not use byte sized operations on
3211 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3212 explicit rules for building. Similarly for alloca, vfprintf,
3213 choose-temp and mkstemp, getopt, getopt1, and obstack.
3214 (INCLUDES): Add $(srcdir)/../include.
3215 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3216 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3218 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3220 * gcc.c (do_spec_1): [case 'o'] Account for
3221 lang_specific_extra_outfiles.
3222 (main): Correctly clear all slots in outfiles for
3223 lang_specific_extra_outfiles. Set input_file_number before
3224 calling lang_specific_pre_link.
3226 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3228 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3230 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3232 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3234 (sparc_output_deferred_case_vectors): If no work to do, return.
3235 Fix thinko in Sept 1 change.
3237 1998-09-03 SL Baur <steve@altair.xemacs.org>
3239 * Makefile.in: add semicolon in BISON definition for portability.
3241 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3243 * config/nextstep.c (handle_pragma): Correct name of third
3246 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3248 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3249 * config/m32r/m32r.h: Make register 17 be fixed.
3250 * config/m32r/m32r.c: Use SImode for cc operations.
3252 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3254 * invoke.texi (Warning Options): Add -Wnon-template-friend
3257 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3259 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3261 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3263 * rs6000.md (movsf): Disable explicit secondary-reload-like
3264 functionality if TARGET_POWERPC64.
3265 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3268 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3270 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3271 and term.h from fixinc.wrap.
3273 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3275 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3276 safe to include both string.h and strings.h together.
3277 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3278 which headers to search for function declarations. Continue to
3279 prefer string.h over strings.h when both are not acceptable.
3281 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3283 * configure.in: Call GCC_HEADER_STRING.
3285 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3286 to include. Continue to prefer string.h over strings.h when both
3289 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3291 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3292 not assume top 32-bits of symbolic addresses are zero if
3295 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3297 * ginclude/va-alpha.h: Protect entire second portion of the
3298 file against double inclusion.
3300 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3302 Added support for the Boehm's garbage collector.
3303 * configure.in: Handle --enable-objc-gc.
3304 * configure: Rebuilt.
3305 * Makefile.in (CHECK_TARGETS): Add check-objc.
3306 (check-objc): New rule.
3307 * objc/Make-lang.in: Build a different Objective-C library that
3308 runs with the Boehm's collector.
3309 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3310 * objc/encoding.c: Correctly compute the size of compound types in
3311 the presence of bitfields. Skip the variable name of the type if
3312 any. Added support for long long.
3313 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3314 (_F_GCINVISIBLE): New mask.
3315 * objc/gc.c: New file. Compute the type memory mask associated with
3316 a class based on the runtime information.
3317 * objc/misc.c: Added the hooks that use the Boehm's collector
3318 allocation functions.
3319 * objc/objc-act.c (build_class_template): Generate a new class
3320 member (gc_object_type) to hold the class' type memory mask.
3321 (build_shared_structure_initializer): Initialize the new member to
3323 (encode_complete_bitfield): New function. Generate the new
3325 (encode_field_decl): Generate the new encoding only for the GNU
3327 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3329 (class_get_gc_object_type): New function to mark a pointer instance
3330 variable as a weak pointer.
3331 * objc/objc-features.texi: New file.
3332 * objc/objc.h (gc_object_type): New class member.
3333 * objc/objects.c (class_create_instance): Create a typed memory
3334 object when compiled with Boehm's collector support.
3335 * objc/sendmsg.c (__objc_init_install_dtable): Call
3336 __objc_send_initialize instead of setting the initialize flag.
3337 (__objc_send_initialize): Call __objc_generate_gc_type_description
3338 to generate the class type memory mask. Rewrite the code that
3339 sends the +initialize so that it is called only once (bug report
3340 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3341 * testsuite/objc: New testsuite for Objective-C type encoding.
3342 * testsuite/lib/objc-torture.exp: New file.
3343 * testsuite/lib/objc.exp: New file.
3345 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3347 * jump.c (jump_optimize): In if/then/else transformations, add
3348 another call to modified_between_p for the jump insn.
3350 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3352 * fix-header.c (symlink): Treat like readlink.
3354 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3356 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3359 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3361 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3362 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3363 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3365 * config/nextstep.c (handle_pragma): Take three arguments, as per
3366 the new HANDLE_PRAGMA macro specification.
3367 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3368 per the new HANDLE_PRAGMA macro specification.
3369 * config/i960/i960.c (process_pragma): Take three arguments, as
3370 per the new HANDLE_PRAGMA macro specification.
3372 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3374 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3375 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3376 if unknown pragmas are encountered.
3377 (handle_sysv_pragma): Interpret return code from
3378 handle_pragma_token (). Return success/failure indication rather
3379 than next unprocessed character.
3380 (pragma_getc): New function: retrieves characters from the
3381 input stream. Defined when HANDLE_PRAGMA is enabled.
3382 (pragma_ungetc): New function: replaces characters back into the
3383 input stream. Defined when HANDLE_PRAGMA is enabled.
3385 * c-pragma.c (handle_pragma_token): Return success/failure status
3388 * c-pragma.h: Change prototype of handle_pragma_token().
3390 * varasm.c: (handle_pragma_weak): Only create this function if
3391 HANDLE_PRAGMA_WEAK is defined.
3393 * c-common,c (decl_attributes): If defined call the expression
3394 contained within the INSERT_ATTRIBUTES macro before adding
3395 attributes to a decl.
3397 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3398 HANDLE_PRAGMA, which takes three arguments.
3399 (INSERT_ATTRIBUTES): Document this new macro.
3401 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3402 new INSERT_ATTRIBUTES macro.
3404 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3406 * config/sparc/sparc.md (movdf): Only generate special RTL for
3407 LABEL_REFs when PIC.
3408 (move_label_di): Remove
3409 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3410 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3411 references when PIC.
3412 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3413 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3414 output an .xword for all 64-bit cases.
3416 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3418 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3419 alignment, use FUNCTION_BOUNDARY instead.
3420 (sparc_output_deferred_case_vectors): Likewise.
3422 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3424 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3425 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3427 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3429 * alpha/va_list.h: New file.
3430 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3432 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3434 * NEWS: Add SCO Openserver and Unixware 7 notes.
3438 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3440 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3441 (record_constant_1): Handle RANGE_EXPR.
3443 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3445 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3446 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3447 and NOTE_INSN_RANGE_END specially.
3448 (reemit_notes): Likewise.
3450 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3452 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3453 (ultrasparc_sched_init): Remove unneeded &.
3455 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3457 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3458 for m68020-60, to prevent the use of fintrz.
3460 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3462 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3464 * Makefile.in: Likewise.
3465 * configure: Regenerated.
3467 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3469 * configure.in (gxx_include_dir): Changed to
3470 '${prefix}/include/g++'-${libstdcxx_interface}.
3471 * configure: Rebuilt.
3473 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3475 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3477 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3478 *sequences* *below* which scalar moves will be used.
3480 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3482 * collect2.c (mktemp): Delete unused declaration.
3484 * config/xm-netbsd.h: Remove unnecessary file.
3485 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3486 file anymore, it is not needed.
3488 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3490 * convert.c (convert_to_integer): Issue an error on conversions to
3493 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3495 * Makefile.in: Add lang_tree_files and gencheck.h.
3496 * configure.in: Generate them.
3497 * gencheck.c: Include gencheck.h.
3499 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3501 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3502 movdi_lo_sum_pic and movdi_high_pic and make visible.
3503 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3504 emit these when Pmode is not SImode.
3505 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3507 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3509 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3510 .linkonce directive after the first time.
3512 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3514 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3515 the clobbered operand overlaps with an input.
3516 (bne0_di): Similarly.
3518 * Makefile.in (INSTALL): Remove "--no-header" argument.
3520 * NEWS: Various updates.
3522 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3524 * config/sparc/sparc.c (arith_operand, const64_operand,
3525 const64_high_operand, arith_double_4096_operand): Mark mode as
3527 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3529 (sparc_emit_set_const64): Remove unused variable i.
3530 (sparc_splitdi_legitimate): Likewise for addr_part.
3531 (ultra_code_from_mask): Likewise for mask.
3532 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3533 reverse return values so it matches usage and comments.
3534 (ultra_flush_pipeline): Likewise.
3535 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3536 this_type, and allow loads and stores of differing FP modes as
3537 they do not create a conflict.
3538 (ultra_find_type): Initialize fpmode to SFmode, fix
3539 parenthesization thinkos in large conditional.
3540 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3541 Init free_slot_mask after ultra_cur_hist is reset, not before.
3542 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3543 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3544 use ultra_flush_pipeline instead, then re-init group pointer.
3545 Fix statement with no effect. If no progress made in, and no
3546 instructions scheduled at all, advance to new pipeline cycle else
3547 we get into an endless loop.
3548 (ultrasparc_adjust_cost): Remove previous arg.
3549 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3551 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3553 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3554 code. Use reg_overlap_mentioned_p to detect when source and
3555 destination overlap.
3556 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3558 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3560 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3561 COMPARISON_VAL, into invariant_p.
3563 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3565 * regmove.c (regclass_compatible_p): New function.
3566 (regmove_optimize): Use it.
3568 Use NREGS parameter insted of calling max_reg_num.
3570 (fixup_match_1): Don't use code = MINUS when later tieing with
3571 a hard register is likely.
3573 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3575 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3576 COMPARISON_VAL was normalized.
3578 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3580 * loop.c (check_dbra_loop): The loop ending comparison value
3581 must be an invariant or we can not reverse the loop.
3583 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3584 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3586 (load_mems_and_recount_loop_regs_set): Likewise.
3588 * i386.c (print_operand): Remove obsolete 'c' docs.
3590 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3592 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3593 * frame.c (init_object_mutex): New function.
3594 (init_object_mutex_once): Likewise.
3595 (find_fde): Call it.
3596 (__register_frame_info): Likewise.
3597 (__register_frame_info_table): Likewise.
3598 (__deregister_frame_info): Likewise.
3600 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3602 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3604 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3606 * loop.c (check_dbra_loop): Enable code for reversal
3607 of some loops without a known constant loop end.
3609 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3611 * haifa-sched.c (last_clock_var): New.
3612 (schedule_block): Initialize it.
3613 (schedule_insn): Use it to fill insn modes with issue information.
3615 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3616 Tag trapb and next insn with TImode.
3617 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3618 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3619 Invoke alphaev5_align_insns as appropriate.
3620 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3621 (MD_SCHED_VARIABLE_ISSUE): New.
3622 * alpha.md (attr type): Add multi.
3623 (define_asm_attributes): New.
3624 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3625 (arg_home): Likewise.
3626 (fnop, unop, realign): New.
3628 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3630 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3631 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3633 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3634 (rs6000-ibm-aix4.[12]*): Likewise.
3635 * configure: Regnerate.
3637 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3639 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3640 already contains the return address.
3642 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3644 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3645 word sized hunks when loading unaligned args into registers.
3647 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3648 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3650 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3652 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3654 * loop.c (check_dbra_loop): Add some code that would allow reversal
3655 of some loops without a known constant loop end if it were enabled.
3657 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3659 * mips.md (lshrsi3_internal2+2): Fix type-o.
3661 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3663 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3664 correctly with regards to stdio.h.
3666 * calls.c: Remove stdarg.h/varargs.h.
3669 * combine.c: Likewise.
3670 * cpperror.c: Likewise.
3671 * cpplib.c: Likewise.
3672 * cpplib.h: Likewise.
3673 * doprint.c: Likewise.
3674 * emit-rtl.c: Likewise.
3675 * final.c: Likewise.
3676 * fix-header.c: Likewise.
3678 * genattr.c: Likewise.
3679 * genattrtab.c: Likewise.
3680 * gencodes.c: Likewise.
3681 * genconfig.c: Likewise.
3682 * genemit.c: Likewise.
3683 * genextract.c: Likewise.
3684 * genflags.c: Likewise.
3685 * genopinit.c: Likewise.
3686 * genoutput.c: Likewise.
3687 * genpeep.c: Likewise.
3688 * genrecog.c: Likewise.
3689 * mips-tfile.c: Likewise.
3690 * prefix.c: Likewise.
3691 * protoize.c: Likewise.
3692 * regmove.c: Likewise.
3693 * toplev.c: Likewise.
3696 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3698 * config/sparc/sparc.c (sparc_override_options): If not
3699 TARGET_FPU, turn off TARGET_VIS.
3700 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3701 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3702 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3703 (movdi_insn_sp64): Add VIS fzero alternative.
3704 (clear_sf, clear_df): New VIS patterns.
3705 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3707 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3709 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3711 * loop.c (n_times_set, n_times_used, may_not_optimize,
3712 reg_single_usage): Convert to varrays. All uses changed.
3713 (insert_loop_mem): Return a value.
3714 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3715 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3718 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3721 * configure.in: Do not set thread_file to "irix" since no such
3724 * sparc.md (float abs/neg splits): Check reload_completed before
3725 calling alter_subreg.
3727 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3729 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3731 * config/sparc/sparc.h: Declare it.
3732 * config/sparc/sparc.md (float abs/neg splits): Use it.
3733 (all other splits): Handle SUBREGs properly where necessary.
3734 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3736 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3738 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3739 an insn on the unfilled_slots_list that has no delay slots.
3740 (fill_eager_delay_slots): Similarly.
3742 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3744 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3745 as an ordinary operand.
3747 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3749 * tree.c (valid_machine_attribute): Don't apply attributes to both
3752 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3754 * reload.c (operands_match_p): Handle rtvecs.
3756 * i386.c (legitimate_pic_address_disp_p): New.
3757 (legitimate_address_p): Use it.
3758 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3759 Handle constant pool symbols just like statics.
3760 (emit_pic_move): Use Pmode not SImode for clarity.
3761 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3762 [UNSPEC]: New, handling what we killed above.
3763 [PLUS]: Detect and abort on invalid symbol arithmetic.
3764 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3766 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3768 * alias.c: Include output.h.
3769 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3770 different if we're in a varargs function.
3771 * Makefile.in (alias.o): Depend on output.h
3773 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3775 * sh.h (GIV_SORT_CRITERION): Delete.
3777 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3779 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3780 * stupid.c (stupid_life_analysis): Ditto.
3781 * reload1.c (reload): Ditto.
3783 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3785 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3786 arith_double_4096_operand, arith_double_add_operand): New
3788 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3789 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3790 them to transform add/sub 4096 into add/sub -4096.
3792 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3794 * loop.c (scan_loop): Allocate some slop to handle pseudos
3795 generated by move_movables.
3796 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3799 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3801 * tree.def (DECL_RESULT): Correct documentation.
3803 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3805 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3806 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3807 conflicts will all RELOAD_FOR_OUTPUT reloads.
3809 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3810 loads the function result, substitute with a USE.
3812 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3814 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3815 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3816 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3817 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3818 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3819 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3821 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3822 'o' to 'm' for GPR variant constraints.
3824 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3826 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3828 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3830 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3831 when the source and destination overlap.
3833 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3834 clash with global type.
3836 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3838 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3840 * c-common.c (combine_strings): Also set TREE_READONLY.
3841 Change warn_write_strings to flag_const_strings.
3842 * c-decl.c, c-tree.h: Likewise.
3844 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3846 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3847 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3848 sequence, use SET/IOR instead so CSE can see it.
3849 * config/sparc/sparc.md (movhi_const64_special,
3850 movsi_const64_special): New patterns necessitated by that change.
3851 (movhi_high): Remove.
3852 (movhi_lo_sum): Change to match an IOR.
3853 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3854 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3855 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3856 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3857 registers are involved.
3858 (snesi_zero_extend split): Remove reload_completed test.
3859 (unnamed plus and minus zero_extend sidi splits): Add it.
3861 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3863 * extend.texi: Remove description of extension to explicit
3864 instantiation that is now endorsed by standard C++.
3866 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3868 * config/arc/arc.c (arc_initialize_pic): Remove.
3869 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3870 nothing on any platform and is invoked by no-one, it does not even
3871 appear in the documentation.
3872 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3873 * config/sparc/sparc.c (initialize_pic): Likewise.
3874 (find_addr_reg): Remove this as well, no longer referenced after
3877 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3879 * recog.c (validate_replace_rtx_group): New function.
3880 * recog.h (validate_replace_rtx_group): Declare it.
3881 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3882 the entire group of substitutions.
3884 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3886 * loop.c (load_mems): Fix initializers.
3888 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3890 * config/sparc/sparc.md (TFmode splits): Handle destination
3891 registers being referenced in the address correctly.
3893 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3894 TREE_UNSIGNED, when bitsize of type's mode is larger than
3895 HOST_BITS_PER_WIDE_INT.
3897 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3899 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3900 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3901 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3903 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3906 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3908 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3909 * h8300.h (TINY_DATA_NAME_P): Likewise.
3910 (STRIP_NAME_ENCODING): Handle '&'.
3912 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3913 register (it could be accessed via an outer SUBREG).
3914 (REG_OK_FOR_BASE_P): Likewwise.
3915 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3917 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3920 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3922 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3924 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3925 must be offsettable so the splits can be made.
3927 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3929 * config/i386/winnt.c: Include system.h, not stdio.h to get
3930 sys/param.h pulled in before rtl.h in case the system defines MIN
3933 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3935 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3937 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3939 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3941 * cpplib.c (cpp_define): Handle macros with parameters.
3943 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3945 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3946 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3947 and DImode 64-bit. Use llong for minimal-toc SFmode and
3948 SYMBOL_REF / LABEL_REF 64-bit.
3949 (output_function_profiler): Use llong for profiler label and ld to
3950 load 64-bit label address.
3952 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3954 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3957 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3959 * version.c: Bump for snapshot.
3961 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3963 * version.c: Bump for snapshot.
3965 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3967 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3969 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3971 * tm.texi (Misc): Fix typo "teh".
3973 * tm.texi (PIC): Fix typo "PPIC".
3975 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3976 effect when -O2 and higher.
3977 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3979 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3981 * regclass.c: Changed register set documentation to be consistent
3984 * final.c (final_start_function) Removed redundant test for
3987 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3989 * rtl.h (rtx_function): New type.
3990 (for_each_rtx): New function.
3991 * rtlanal.c (for_each_rtx): Define it.
3993 * recog.c (change_t): New type.
3994 (change_objects, change_old_codes, change_locs, change_olds):
3996 (changes): New variable.
3997 (validate_change): Dynamically allocate room for more changes, if
3998 necessary. Uses changes array instead of change_objects, etc.
3999 (apply_change_group): Use changes array instead of
4000 change_objects, etc.
4002 * loop.c (loop_mem_info): New type.
4003 (loop_mems): New variable.
4004 (loop_mems_idx): Likewise.
4005 (looop_mems_allocated): Likewise.
4006 (scan_loop): Remove nregs parameter.
4007 (next_insn_in_loop): New function.
4008 (load_mems_and_recount_loop_regs_set): Likewise.
4009 (load_mems): Likewise.
4010 (insert_loop_mem): Likewise.
4011 (replace_loop_mem): Likewise.
4012 (replace_label): Likewise.
4013 (INSN_IN_RANGE_P): New macro.
4014 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4015 (scan_loop): Remove nregs parameter, compute it after any new
4016 registers are created by load_mems. Use INSN_IN_RANGE_P and
4017 next_insn_in_loop rather than expanding them inline. Call
4018 load_mems to load memory into pseudos, if appropriate.
4019 (prescan_loop): Figure out whether or not there are jumps from the
4020 loop to targets other than the label immediately following the
4021 loop. Call insert_loop_mem to notice all the MEMs used in the
4022 loop, if it could be safe to pull MEMs into REGs for the duration
4024 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4026 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4028 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4030 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4032 * config/sparc/sparc.c (finalize_pic): Check for the correct
4033 nonlocal_goto_receiver UNSPEC number.
4034 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4035 making note of this dependency existing in sparc.c
4036 (negtf2_notv9 split): Give NEG SFmode.
4037 (negsf2): Fix insn output string.
4039 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4041 * c-common.c (decl_attributes): Issue an error if the argument
4042 to alias is not a string.
4044 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4046 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4047 pending memory flush list.
4049 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4051 (try_combine): Allow combining insns with REG_LIBCALL notes.
4053 * expr.c (emit_block_move): Do not call memcpy as a libcall
4054 instead build up a CALL_EXPR and call it like any other
4056 (clear_storage): Similarly for memset.
4058 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4061 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4064 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4065 and REG_LIVE_LENGTH as successful substitutions are made.
4067 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4069 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4070 statement after end of loop label.
4072 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4074 * config/sparc/sparc.c (ultra_types_avail): New variable.
4075 (ultra_build_types_avail): New function to record mask of insn
4076 types in ready list at this cycle.
4077 (ultrasparc_sched_reorder): Call it.
4078 (ultra_find_type): Use it to quicken the search. Also simplif
4079 dependency check, don't use rtx_equal_p because we know exactly
4080 what we are looking for.
4082 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4084 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4085 for architecture v4.
4087 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4089 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4091 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4092 movdf_const_intreg and helper splits): New patterns to move float
4093 constants into integer registers.
4094 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4097 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4100 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4102 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4104 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4105 a BASE_REGS register is needed as an intermediate when copying
4106 a symbolic value into any register class other than BASE_REGS.
4108 * expr.c (move_by_pieces): No longer static. Remove prototype.
4109 * rtl.h (move_by_pieces): Add extern prototype.
4110 * mips.c (expand_block_move): Handle aligned straight line copy by
4111 calling move_by_pieces.
4113 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4116 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4118 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4119 jumps out of the loop to be treated as part of the exit test.
4121 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4122 Jeff Law <law@cygnus.com>
4124 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4125 * cplus-dem.c: Delete.
4127 * Makefile.in (fold-const.o): depend on $(RTL_H).
4129 * fold-const.c: Include rtl.h to get the prototype for
4130 `set_identifier_local_value'.
4132 * loop.c (express_from_1): Remove unused variable `tmp'.
4133 (combine_givs): cast the first argument of bzero to char *.
4135 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4137 * c-decl.c (init_decl_processing): Remove unneeded &.
4139 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4141 * except.c (set_exception_lang_code, set_exception_version_code):
4142 Change parameter from `short' to `int' to avoid using a gcc
4145 * except.h (set_exception_lang_code, set_exception_version_code):
4146 Likewise for prototypes.
4148 * flow.c (count_reg_references): Remove unused variables `regno'
4151 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4153 * prefix.c (translate_name): Cast the result of `alloca'.
4155 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4157 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4159 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4161 (valid_dbcc_comparison_p): Mark mode argument as unused.
4162 (symbolic_operand): Likewise.
4163 (legitimize_pic_address): Likewise.
4164 (const_uint32_operand): Likewise.
4165 (const_sint32_operand): Likewise.
4166 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4167 schedule_insns and comment out rest of file.
4169 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4171 (output_move_[hq]imode): Likewise.
4173 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4175 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4176 * invoke.texi: Corresponding changes.
4178 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4180 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4182 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4184 * config/sparc/sparc.c (ultra_code_from_mask,
4185 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4186 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4187 ultrasparc_sched_init, ultrasparc_variable_issue,
4188 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4189 functions to describe UltraSPARC pipeline exactly to Haifa.
4190 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4191 as there is nothing the scheduler can do about it. Indicate that
4192 REG_DEP_OUTPUT's collide. Fixup formatting.
4193 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4194 divide costs on Ultra for DImode.
4195 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4197 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4198 ieuN and add call_no_delay_slot to type list.
4199 (cti function unit): New unit for branches on UltraSPARC.
4200 (subx/addx insns): Set type to misc.
4201 (sidi zero/sign extension insns on arch64): Set type to shift.
4202 (sign_extendhidi2_insn): Set type to sload.
4204 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4206 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4207 (output_epilog): Use if != 0 for offset.
4208 (rs6000_fatal_bad_address): Prepare for Intl.
4209 * rs6000.h (rs6000_fatal_bad_address): Declare.
4210 * rs6000.md (movsfcc, movdfcc): Use else if.
4211 (elf_high): Use {liu|lis}.
4212 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4213 (movsi): Use rs6000_fatal_bad_address.
4215 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4217 * reload.c (find_equiv_reg): Reject equivalences separated
4218 by a volatile instruction.
4220 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4222 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4224 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4226 * alpha.md (movsicc): Fix mode mismatch.
4228 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4230 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4232 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4234 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4236 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4237 write-only modifier from operand 1 constraint.
4239 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4241 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4242 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4244 (sparc_emit_set_const64): Likewise, also when computing trailing
4245 bits do not negate low_bits and make fast_int an int.
4247 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4249 * loop.c (add_label_notes): Do not ignore references to labels
4250 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4251 * gcse.c (add_label_notes): Similarly.
4253 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4255 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4256 (adddi_dishl32): Similarly.
4258 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4260 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4261 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4262 * cse.c (cse_basic_block): Add parens to shut up warnings.
4264 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4266 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4267 sparc_emit_set_const64_longway, const64_is_2insns,
4268 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4269 in 64-bit constant formation.
4270 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4271 rtl for addx not subx.
4272 (define_insn movdi_const64_special): Make available even when
4273 HOST_BITS_PER_WIDE_INT is not 64.
4274 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4275 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4276 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4277 instances of operand 1 inside a QI subreg.
4278 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4279 (one_cmpldi2_sp64): Fix output string.
4280 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4282 (unnamed arch64 ashift DI): Truncate shift count if greater than
4285 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4287 * expr.c (store_expr): Don't optimize away load-store pair
4288 when either source or destination have a side effect.
4290 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4292 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4293 operands of SET are incompatible.
4295 * alpha.md: Fix max and min patterns so modes of SET operands match.
4297 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4299 * configure.in: Avoid [[ by using test and changequote.
4300 * configure: Rebuild.
4302 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4304 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4306 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4307 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4308 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4309 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4310 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4311 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4312 Fix mismatching modes in SET operands.
4313 (conditional move patterns): Fix formatting.
4314 (unnamed subx arch64 pattern): Remove duplicate insn.
4316 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4318 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4319 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4320 (input_operand): Fixup test for what we accept for constant
4322 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4324 (safe_constDI): Remove.
4325 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4326 gen_safe_XOR64): New functions.
4327 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4328 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4330 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4331 available when HOST_BITS_PER_WIDE_INT is not 64.
4332 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4333 move before movdi_insn_sp64 pattern.
4334 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4335 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4336 symbolic_operand as predicate for second operand.
4337 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4338 expander): Give set VOIDmode.
4340 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4342 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4344 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4346 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4348 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4350 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4352 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4354 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4356 * install.texi: Various SCO OpenServer tweaks.
4358 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4360 * reload1.c (eliminate_regs_in_insn): Handle another case when
4361 eliminating the frame pointer to the hard frame pointer. Add
4362 missing ep->to_rtx check to one existing case.
4364 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4366 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4368 * tree.h: De-conditionalize init_priority code.
4370 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4371 * collect2.c (NM_FLAGS): Change from -p to -n.
4373 * configure.in: Turn on collect2 for mipstx39-elf.
4374 Handle use_collect2=no properly.
4376 * c-common.c: De-conditionalize init_priority code.
4377 * collect2.c (extract_init_priority, sort_ids): New fns.
4378 (main): Call sort_ids.
4379 Move sequence_number to file scope.
4381 * configure.in: Handle --enable-init-priority.
4382 * c-common.c (attrs): Add A_INIT_PRIORITY.
4383 (init_attributes, decl_attributes): Likewise.
4384 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4385 * tree.c (get_file_function_name_long): Split out...
4386 (get_file_function_name): ...from here.
4388 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4390 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4393 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4395 * toplev.c (display_help): Add braces to shut up warnings.
4396 * tree.c (simple_cst_equal): Likewise.
4398 * fold-const.c (non_lvalue): Don't deal with null pointer
4400 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4402 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4403 of any size to a pointer.
4405 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4407 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4409 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4411 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4412 which will be saved.
4413 * mn10300.md (prologue insn): Only save registers which need saving.
4414 (epilogue insn): Similarly.
4416 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4419 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4421 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4422 VAR_DECL's in gp addressable sections.
4424 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4426 * sparc.c: Change return <exp> to <exp>; return; in functions
4428 * sparc.md: Add empty semicolon statement after final label in
4431 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4433 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4434 addx_extend_sp64, only allow when TARGET_ARCH64.
4435 (define_insn addx_extend_sp32 and split): Version that works when
4437 (define_insn subx_extend): Likewise.
4438 (define_split adddi3 and subdi3 with zero extension): Fixup and
4439 correct bugs when not TARGET_ARCH64.
4441 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4443 * except.c (set_exception_lang_code, set_exception_version_code):
4444 Use prototype-style definition if __STDC__, to match declaration
4447 * genemit.c: Change FAIL and DONE macros not to use loops.
4449 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4451 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4452 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4454 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4456 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4458 * README.g77: Update from Craig.
4460 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4462 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4464 (safe_constDI sparc_emit_set_const64_quick1,
4465 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4466 analyze_64bit_constant, const64_is_2insns,
4467 create_simple_focus_bits): Fix some bugs when compiled on real
4469 (function_arg_record_value_3, function_arg_record_value_2,
4470 function_arg_record_value): Add fully prototyped forward decls.
4471 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4472 to cmpsi_insn and use on both 64 and 32 bit targets.
4473 (define_insn cmpsi_insn_sp64): Remove.
4474 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4475 (define_insn zero_extendsidi2_insn): Rename to
4476 zero_extendsidi2_insn_sp64.
4477 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4478 assosciated forced split for it.
4480 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4482 * config/sparc/sparc.h: Declare them.
4483 (PREDICATE_CODES): Add them.
4484 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4485 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4487 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4489 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4490 in v9 case as the latter makes the Solaris assembler crash.
4492 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4494 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4495 for TFmode when !v9. We require offsettable memory addresses.
4496 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4497 DFmode register number conversions.
4498 * config/sparc/sparc.md (define_split DFmode moves): If register
4499 is a SUBREG do alter_subreg on it before using.
4500 (define_expand movtf): Fixup comment about alignment on v9.
4501 (define_split TFmode moves): Don't use gen_{high,low}part, create
4502 explicit SUBREGs instead.
4504 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4506 * Makefile.in (mbchar.o): Depend on mbchar.c.
4508 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4509 Richard Henderson <rth@cygnus.com>
4511 Rewrite Sparc backend for better code generation and
4512 improved sparc64 support.
4513 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4515 * config/sparc/sysv4.h: Likewise.
4516 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4517 move_operand, v8plus_regcmp_op, emit_move_sequence,
4518 singlemove_string, doublemove_string, mem_aligned_8,
4519 output_move_double, output_move_quad, output_fp_move_double,
4520 move_quad_direction, output_fp_move_quad, output_scc_insn):
4522 (small_int_or_double): New predicate.
4523 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4524 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4525 old pic_{sethi,lo_sum}_si patterns.
4526 (mem_min_alignment): New generic function to replace
4527 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4528 available and can test for arbitrary alignments. All callers
4530 (save_regs, restore_regs, build_big_number,
4531 output_function_prologue, output_cbranch, output_return,
4532 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4533 sparc_flat_output_function_epilogue): Prettify
4535 (output_function_epilogue): Likewise and add code to output
4536 deferred case vectors.
4537 (output_v9branch): Likewise, add new arg INSN and use it to tack
4538 on branch prediction settings. All callers changed.
4539 (print_operand): Likewise and output %l44 for LO_SUMs when
4541 (sparc_splitdi_legitimate): New function to make sure DImode
4542 splits can be run properly when !arch64.
4543 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4544 Reformat example code in comments.
4545 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4546 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4547 of deferred case vectors we need to output.
4548 (sparc_defer_case_vector): Record a case vector.
4549 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4550 sparc_output_deferred_case_vectors): New functions to output them.
4551 (sparc_emit_set_const32): New function to form 32-bit constants in
4552 registers when that requires more than one instruction.
4553 (safe_constDI, sparc_emit_set_const64_quick1,
4554 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4555 analyze_64bit_constant, const64_is_2insns,
4556 create_simple_focus_bits, sparc_emit_set_const64): New functions
4557 which do the same for 64-bit constants when arch64.
4558 (sparc_emit_set_symbolic_const64): New function to emit address
4559 loading for all code models on v9.
4560 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4561 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4562 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4563 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4564 inaccuracies in comments, add symbolic and text_segment operands
4565 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4566 GENERAL_REGS in these cases as a temp REG is needed to load these
4567 addresses into a register properly.
4568 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4570 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4571 quads are guarenteed to have 16-byte alignment.
4572 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4573 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4574 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4575 deferred case vector implementation.
4576 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4577 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4578 Generate "internal label - label" instead of "label - 1b".
4579 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4580 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4581 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4583 (doublemove_string, output_block_move, output_fp_move_double,
4584 output_fp_move_quad, output_move_double, output_move_quad,
4585 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4586 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4587 (sparc_emit_set_const32, sparc_emit_set_const64,
4588 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4589 mem_min_alignment, small_int_or_double): Add externs.
4590 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4591 UNSPEC_VOLATILE in this backend.
4592 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4593 unary to types which execute in it.
4594 (define_function_unit ieu_shift): Rename to ieu0.
4595 (define_function_unit ieu1): New, executes compare, call, and
4596 uncond_branch type insns.
4597 (define_function_units for type fdivs, fdivd, fsqrt): These
4598 execute in the fpu multiply unit not the adder on UltraSparc.
4599 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4600 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4601 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4602 allows the arith_double_operand predicate and rHI constraint when
4604 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4605 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4606 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4607 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4608 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4609 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4610 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4611 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4612 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4613 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4614 sign_extendqihi2_insn, sign_extendqisi2_insn,
4615 sign_extendqidi2_insn, sign_extendhidi2_insn,
4616 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4617 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4618 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4619 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4620 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4621 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4622 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4623 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4624 smulsi3_highpart_v8plus, unnamed subreg mult,
4625 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4626 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4627 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4628 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4629 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4630 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4631 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4632 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4633 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4634 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4635 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4636 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4637 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4638 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4639 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4640 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4641 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4642 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4643 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4644 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4645 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4646 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4647 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4648 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4649 call_address_untyped_struct_value_sp32,
4650 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4651 call_value_symbolic_sp32, call_value_address_sp64,
4652 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4653 flush_register_windows, goto_handler_and_restore,
4654 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4655 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4656 return_addsi, return_di, return_adddi, return_sf, all call+jump
4657 peepholes, trap, unnamed trap insns): Prettify output strings.
4658 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4659 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4660 Likewise and force + implement splits for integer cases.
4661 (define_insn return_sf_no_fpu): Likewise and allow to match when
4662 no-fpu because of our subreg SFmode splits.
4663 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4664 zero_extendqidi2_insn, zero_extendhidi2_insn,
4665 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4666 input_operand for second operand.
4667 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4668 reg_or_0_operand for operand 2 so new splits can use it.
4669 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4670 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4672 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4673 CONST_DOUBLEs for operand 2.
4674 (define_insn move_label_di): Likewise and label distance
4675 optimization because it no longer works with new deferred case
4676 vector scheme. To be revisited.
4677 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4678 and allow reg_or_0_operand and J constraint for second operand.
4679 (define_insn jump): Set branch predict taken on V9.
4680 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4681 new deferred case vector scheme.
4682 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4683 (define_insn negdi2_sp32): Force + implement splits.
4684 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4685 one_cmplsi2_not_liveg0 respectively, and create expander of original
4686 names which emit special rtl for TARGET_LIVE_G0.
4687 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4688 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4689 gen_compare_reg, FAIL instead.
4690 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4691 values when trying to reverse condition codes, if they FAIL then
4693 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4694 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4695 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4696 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4697 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4698 set output string to # to indicate they are mandatory splits.
4699 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4700 pic_sethi_di, move_pic_label_si): Remove.
4701 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4702 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4704 (define_expand movsi_pic_label_ref, define_insn
4705 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4706 expander and insns to handle PIC label references and deferred
4708 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4710 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4711 Rewrite to not use emit_move_sequence, make use of new constant
4712 formation code, and new splits for all multi-insn cases.
4713 (define_insn movqi_insn): Remove sethi case, it can never happen.
4714 Use reg_or_zero_operand instead of const0_rtx explicit test,
4715 use input_operand instead of move_operand for source, and use
4716 general_operand now for dest.
4717 (define_insn movhi_insn): Similar but leave sethi case.
4718 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4719 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4720 movhi_lo_sum respectively, prettify output string.
4721 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4722 register when needed on TARGET_LIVE_G0.
4723 (define_insn movsi_insn): Use general_operand and input_operand
4724 for dest and src respectively. Simplify applicability test.
4725 Prettify output strings, and add clr alternative for J
4727 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4728 deprecated std and reg-reg DI moves): Remove and...
4729 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4730 implementation which uses forced splits for all non-single insn
4732 (define_split DI move cases on !arch64): New splits to handle all
4733 situations of 64-bit double register DImode on 32bit, and
4734 unaligned registers and memory addresses for all subtargets.
4735 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4737 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4738 input_operand for dest and src respectively, prettify output
4740 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4741 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4743 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4744 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4745 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4746 movtf_no_e_insn_sp64) Replace with new
4747 implementation which uses forced splits for all non-single insn
4749 (define_split DF move cases): New splits in similar vein to DI
4751 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4752 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4753 movdi_sp64_insn): Remove old v9 code model and constant loading
4755 (define_insn pic_lo_sum_di, pic_sethi_di,
4756 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4757 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4758 embmedany_sethi, embmedany_losum, embmedany_brsum,
4759 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4760 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4761 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4762 scheme, using unspecs, secondary reloads, and one to one sparc
4763 insn to rtl insn mapping for better scheduling and code gen.
4764 (define_expand reload_indi, reload_outdi): Reload helpers for
4765 MEDANY and EMBMEDANY symbol address loading cases which require a
4767 (define_expand movsicc): Remove v8plus_regcmp cases.
4768 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4769 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4770 cmp_diqi_trunc_set): New patterns used by some of the new scc
4772 (define_insn xordi3_sp64_dbl): New pattern used for constant
4773 formation when crossing from 32-bit targets.
4774 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4776 (define_insn addx, subx): Make visible and prettify.
4777 (define_insn adddi3_insn_sp32): Likewise and force split.
4778 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4779 64bit scc split usage.
4780 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4781 zero_extend, subdi3): Force and implement splits.
4783 * final.c (final_scan_insn): Don't output labels if target
4784 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4787 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4788 don't forget to walk inside SEQUENCESs too as these are what the
4789 delay slot scheduler will create.
4791 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4793 * alpha.md (extxl+1,+2): New patterns to work around
4796 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4798 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4799 caused bad assembly code to be generated.
4801 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4803 * netbsd.h: Fix typo.
4805 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4807 * config.sub: Fix typo.
4809 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4811 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4813 (Running Protoize): Typo: Change "ther" into "other".
4815 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4817 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4818 * m68k/netbsd.h: Likewise.
4819 * ns32k/netbsd.h: Likewise.
4820 * sparc/netbsd.h: Likewise.
4822 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4824 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4825 * ginclude/va-clipper.h (va_list): Likewise.
4827 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4829 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4830 load/store multiple instructions unless user overrides.
4832 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4834 * ns32k/netbsd.h: Fix typo.
4836 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4838 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4839 labels with .debugsym if no parallel insns.
4841 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4843 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4844 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4846 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4848 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4849 (AR_FOR_TARGET): Define.
4851 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4853 * dyn-string.h: New file.
4854 * dyn-string.c: Likewise.
4855 * Makefile.in (OBJS): Add dyn-string.o.
4856 (dwarf2out.o): Add dyn-string.h dependency.
4857 (dyn-string.o): List dependencies.
4858 * dwarf2out.c: Include dyn-string.h.
4859 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4860 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4861 prototype. Use dyn_string_append rather than strcat, throughout.
4862 (addr_to_string): Use dyn_string_t.
4864 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4866 Function entry/exit profiling instrumentation:
4867 * expr.h (profile_function_entry_libfunc,
4868 profile_function_exit_libfunc): Declare new variables.
4869 * optabs.c: Define them here.
4870 (init_optabs): Initialize them.
4871 * tree.h (struct tree_decl): New flag
4872 no_instrument_function_entry_exit.
4873 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4874 * c-decl.c (duplicate_decls): Merge it.
4875 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4876 (init_attributes): Use it for "no_instrument_function".
4877 (decl_attributes): Handle it, for functions that have not yet been
4878 compiled. Set decl flag.
4879 * flags.h (flag_instrument_function_entry_exit): Declare new
4881 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4882 (f_options): New option "instrument-functions".
4883 * function.h (struct function): New field instrument_entry_exit.
4884 * function.c (current_function_instrument_entry_exit): New
4886 (push_function_context_to, pop_function_context_from): Save and
4888 (expand_function_start): Set current_ variable, maybe emit return
4889 label and entry profile call.
4890 (expand_function_end): Maybe emit exit profile call.
4892 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4894 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4895 NON_QI_REG_P, pretend the register is SImode.
4897 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4899 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4900 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4901 manufacturer id for ns32k.
4902 * configure: Regenerated.
4903 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4904 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4905 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4906 * config/m68k/netbsd.h: Same.
4907 * config/ns32k/netbsd.h: Same.
4908 * config/sparc/netbsd.h: Same.
4910 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4912 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4913 or UNROLL_COMPLETELY loop that starts with a jump to its
4916 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4918 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4919 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4920 (print_operand, case 'B'): Don't fall through.
4921 (print_operand, case 'S'): Correct mask begin/end computation.
4922 Use HOST_BITS_PER_WIDE_INT.
4923 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4924 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4925 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4926 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4928 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4930 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4931 constraint from second alternative.
4933 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4935 * configure.in: Fix --without/--disable cases for local-prefix,
4936 gxx-include-dir and checking.
4938 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4940 * configure.in (enable_haifa): Set by default for sparc64 too.
4943 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4945 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4946 * i386/winnt.c (associated_type): New fn.
4947 (i386_pe_valid_type_attribute_p): New fn.
4948 (i386_pe_check_vtable_importexport): Remove.
4949 (i386_pe_dllexport_p): Use associated_type.
4950 (i386_pe_dllimport_p): Likewise.
4952 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4953 * i386.c (i386_valid_type_attribute_p): Also accept
4954 attributes for METHOD_TYPEs.
4956 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4958 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4960 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4962 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4964 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4965 them from generating a new base name for each occurence of
4968 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4970 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4972 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4976 * cplus-dem.c (type_kind_t): New type.
4977 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4978 on this paramter, rather than demangling the type again.
4979 (demangle_integral_value): Pass tk_integral.
4980 (demangle_template_: Pass the value returned from do_type.
4981 (do_type): Return a type_kind_t. Pass tk_integral to
4982 demangle_template_value_parm for array bounds.
4983 (demangle_fund_type): Likewise.
4985 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4987 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4990 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4992 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4994 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4996 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4998 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5001 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5003 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5004 (DEBUGGER_ARG_OFFSET): Likewise.
5006 * mn10300.md (movsf): Remove last change. Not needed.
5008 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5010 * c-lex.c (yylex): Fix boundary conditions in character literal and
5011 string literal loops.
5013 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5015 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5016 being invoked incorrectly.
5018 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5019 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5021 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5022 * configure.in: Added i[34567]86-*-win32
5023 * config.sub: Ditto.
5024 * configure: Rebuilt.
5026 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5028 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5029 the frame pointer and compiling PIC code and reload has not completed.
5031 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5034 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5036 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5038 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5040 * Makefile.in (install-info): Only try to update the info
5041 directory file if it exists in the first place.
5043 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5045 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5047 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5049 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5050 CONST_DOUBLE source.
5052 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5054 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5055 strings as the insertion of USER_LABEL_PREFIX.
5056 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5058 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5061 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5063 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5064 already defined type.
5066 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5068 * expr.c (check_max_integer_computation_mode): Allow conversions
5069 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5070 (expand_expr): Likewise.
5072 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5074 * expr.c (expand_expr): Expand RETURN_EXPR.
5076 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5078 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5080 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5082 * dwarf2out.c (output_aranges): Call stripattributes
5083 for TEXT_SECTION references.
5084 (output_line_info): Likewise.
5086 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5088 * profile.c (branch_prob): Call allocate_reg_info after outputting
5089 profile rtl in instrument_arcs.
5091 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5093 * fixinc.irix (math.h): Install wrapper instead of copying.
5095 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5097 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5098 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5099 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5100 lang_flag_0. Added documentation in the flag table.
5102 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5104 * cccp.c (do_include): Fix vax c style include handling.
5106 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5108 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5110 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5112 * fold-const.c (non_lvalue): Don't deal with null pointer
5114 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5116 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5118 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5119 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5120 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5121 (u_short_cint_operand): Same.
5122 (reg_or_cint_operand): Same.
5123 (logical_operand): Same.
5124 (input_operand): Same.
5125 (reg_or_short_operand): Use u_short_cint_operand.
5127 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5129 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5130 but keep the insns and splits. Adjust so when the ultimate destination
5131 is memory, use cvtql.
5133 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5135 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5137 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5139 * gcc.c (do_spec): Call "error" not "warning".
5141 * configure.in: Fix minor problems with gas feature detection code.
5142 * configure: Rebuilt.
5144 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5147 * gcc.c: Delete %[spec] support.
5148 (do_spec_1, case '('): Likewise.
5149 (do_spec_1, case '['): Call error.
5151 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5153 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5154 (CPP_SUBTARGET_SPEC): Default to empty string.
5155 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5156 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5157 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5158 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5160 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5161 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5162 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5163 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5164 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5165 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5166 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5167 * alpha/vxworks.h: Likewise.
5169 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5171 * mips.md (reload_outsi): Added missing REGNO call.
5172 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5174 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5175 another match_operator and compare the codes.
5177 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5179 * MIPS multiply pattern fixes:
5180 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5181 Add union classes for HI, LO, or HILO plus general registers.
5182 (GENERATE_MADD): Deleted.
5183 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5184 Add TARGET_MAD to condition.
5185 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5186 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5187 "*d" for accumulator, to give preference to LO initially but not
5190 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5192 * configure.in (enable_c_mbchar): New configure option.
5193 (extra_cpp_objs): Always available now.
5195 * cexp.y (mbchar.h): #include it.
5196 (yylex): Handle Multibyte characters in character literals.
5198 * cccp.c (mbchar.h): #include it.
5199 (main): Set character set based on LANG environment variable.
5200 (rescan): Handle multibyte characters in comments.
5201 (skip_if_group): See above.
5202 (validate_else): See above.
5203 (skip_to_end_of_comment): See above.
5204 (macarg1): See above.
5205 (discard_comments): See above.
5206 (rescan): Handle multibyte characters in string and character literals.
5207 (collect_expansion): See above.
5208 (skip_quoted_string): See above.
5209 (macroexpand): See above.
5210 (macarg1): See above.
5211 (discard_comments): See above.
5212 (change_newlines): See above.
5214 * c-lex.c (mbchar.h): #include it.
5215 (GET_ENVIRONMENT): New macro.
5216 (init_lex): Set character set based on LANG environment variable.
5217 (yylex): Handle multibyte characters in character literals.
5218 (yylex): Handle multibyte characters in string literals.
5220 * Makefile.in (mbchar.o): New target.
5221 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5222 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5224 * mbchar.[ch]: New files for multibyte character handling.
5226 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5228 * jump.c (jump_optimize): When simplifying noop moves and
5229 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5230 the PUSHes to rewrite in second loop as we did in the first.
5232 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5234 * cplus-dem.c (demangle_nested_args): Make function definition
5235 static to match the prototype.
5237 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5239 * alloca.c: Respect USE_C_ALLOCA.
5240 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5241 * gengenrtl.c (xmalloc): Likewise.
5243 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5245 * loop.h (struct induction): Add no_const_addval.
5246 * loop.c (the_movables, reg_address_cost): New variables.
5247 (init_loop): Init reg_address_cost.
5248 (loop_optimize): Call end_alias_analysis.
5249 (scan_loop): Init the_movables.
5250 (record_giv): Init induction->no_const_addval.
5251 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5252 [REG]: Rearrange loop search test to catch more cases.
5253 (general_induction_var): Return success not benefit; take an extra
5254 argument for that. Change all callers.
5255 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5256 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5257 [default]: Search the_movables for additional combinations.
5258 (sge_plus_constant, sge_plus): New functions.
5259 (express_from_1): New function.
5260 (express_from): Always define. Rewrite using express_from_1.
5261 (combine_givs_p): Handle more cases. Ignore address cost.
5262 (cmp_combine_givs_stats): New function.
5263 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5264 (combine_givs): Rewrite to do best-fit combination.
5266 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5267 (fold): Do a complete (A*C)+(B*C) association check.
5269 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5271 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5273 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5275 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5277 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5279 * tree.c (valid_machine_attribute): Only create a new type variant if
5280 there is a decl to use it.
5282 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5284 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5287 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5289 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5292 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5294 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5295 Simplify tests for clearing an address register.
5296 (expand_prologue): Corresponding changes.
5298 * mn10300.md (movXX patterns): Make sure the destination is an
5299 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5300 (logical patterns): Split into expanders + patterns
5301 (zero and sign extension patterns): Similarly.
5302 (shift patterns): Similarly.
5304 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5306 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5307 for the sequence, recording base values.
5309 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5311 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5313 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5315 * gcc.c: Remove ANSI-C ism from --help code.
5317 * toplev.c: Support --help with USE_CPPLIB.
5319 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5321 * configure.in: Rework gas feature code to work with symlink based
5324 * extend.texi: Clarify some issues related to local variables
5325 assigned to explicit registers.
5327 * mn10300.md (mulsi): Turn into expander + pattern.
5329 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5332 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5334 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5336 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5338 * version.c: Bump again to distinguish mainline tree from the
5341 See ChangeLog.0 for earlier changes.
5344 add-log-time-format: current-time-string