1 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
3 * invoke.texi: Document -flang-isoc9x.
5 * Makefile.in (OBJS): Add splay-tree.o.
6 (c-common.o): Depend on rtl.h.
7 (splay-tree.o): List dependencies and provide build rule.
9 * rtl.h (record_alias_subset): New function.
10 * alias.c: Include splay-tree.h.
11 (alias_set_entry): New type.
12 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
13 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
14 (mems_in_disjoin_alias_sets_p): New function.
15 (alias_set_compare): Likewise.
16 (insert_subset_children): Likewise.
17 (get_alias_set_entry): Likewise.
19 * tree.h (TYPE_RESTRICT): New macro.
20 (TYPE_UNQUALIFIED): New manifest constant.
21 (TYPE_QUAL_CONST): Likewise
22 (TYPE_QUAL_VOLATILE): Likewise.
23 (TYPE_QUAL_RESTRICT): Likewise.
24 (tree_type): Add restrict_flag. Reduce count of free bits.
25 (DECL_POINTER_ALIAS_SET): New macro.
26 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
27 (tree_decl): Add pointer_alias_set.
28 (build_qualified_type): New function.
29 (build_type_variant): Define in terms of build_qualified_type.
30 * tree.c (set_type_quals): New function.
31 (make_node): Initializae DECL_POINTER_ALIAS_SET.
32 (build_type_attribute_variant): Use build_qualified_type and
34 (build_type_variant): Rename, and modify, to become...
35 (build_qualified_type): New function.
36 (build_complex_type): Use set_type_quals.
38 * c-tree.h (C_TYPE_OBJECT_P): New macro.
39 (C_TYPE_FUNCTION_P): Likewise.
40 (C_TYPE_INCOMPLETE_P): Likewise.
41 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
42 (c_apply_type_quals_to_decl): New function.
43 (c_build_qualified_type): New function.
44 (c_build_type_variant): Define in terms of c_build_qualified_type.
45 (flag_isoc9x): Declare.
46 * c-typeck.c (qualify_type): Use c_build_qualified_type.
47 (common_type): Change to use TYPE_QUALS.
48 (comptypes): Likewise.
49 (convert_for_assignment): Likewise.
50 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
51 * c-decl.c (flag_isoc9x): Define.
52 (c_decode_option): Handle -flang-isoc9x.
53 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
54 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
55 * c-lex.c (init_lex): Deal with restrict.
56 (init_lex): Don't treat restrict as a reserved word in
57 -traditional mode, or without -flang-isoc9x.
58 * c-lex.h (rid): Add RID_RESTRICT.
59 * c-parse.gperf (restrict, __restrict, __restrict__): Make
60 equivalent to RID_RESTRICT.
61 * c-parse.in (TYPE_QUAL): Update comment.
62 * c-common.c: Include rtl.h.
63 (c_find_base_decl): New function.
64 (c_build_type_variant): Rename, and modify, to become ...
65 (c_build_qualified_type): New function.
66 (c_apply_type_quals_to_decl): Likewise.
67 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
68 a particular alias set for the reference.
69 * toplev.c (documented_lang_options): Add -flang-isoc9x.
71 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
73 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
74 command line switches.
76 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
78 * reload.c (loc_mentioned_in_p): Add missing braces to bind
81 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
83 * gcc.c (option_map): Added --classpath and --CLASSPATH.
85 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
87 * regclass.c (fix_register): Add error message.
88 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
91 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
93 * c-decl.c (warn_missing_noreturn): New global variable.
94 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
95 (finish_function): Implement missing noreturn warning.
97 * c-tree.h (warn_missing_noreturn): Declare extern.
99 * invoke.texi: Document new flags.
101 * toplev.c (documented_lang_options): Add description.
103 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
105 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
106 loop optimization stable for the C4x.
107 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
108 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
109 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
111 (c4x_address_conflict): Be more paranoid when packing a volatile
112 memref in a parallel load/store.
114 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
116 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
117 repeat_block_filler): Deleted.
118 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
119 Condition code not set if destination register from 'c' class.
120 (*subbqi3_carry_clobber): Fix typo.
122 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
124 * reorg.c (steal_delay_list_from_target) Check for insns that
125 modify the condition codes and effect the direction of the jump
128 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
130 * function.c (purge_addressof_1): Replace call to
131 emit_insns_before() with emit_insn_before().
133 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
135 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
137 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
139 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
141 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
143 * gcse.c (compute_hash_table): Correctly identify hard regs which are
144 clobbered across calls.
146 * loop.c (scan_loop): Be more selective about what invariants are
149 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
151 * version.c: Bump for snapshot.
153 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
155 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
156 static eh_context structure.
158 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
160 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
162 (try_combine): Don't update max_scratch.
163 * flow.c (max_scratch, num_scratch): Delete variables.
164 (life_analysis_1): Don't initialize max_scratch.
165 (propagate_block): Don't update max_scratch.
166 (mark_set_1): Don't increment num_scratch.
167 * regs.h (max_scratch): Delete declaration.
169 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
171 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
172 is nonzero. This is temporary!
174 * sched.c (update_flow_info): Handle death notes made invalid by
175 instruction splitting. Partially reverts Oct 15, 1998 patch.
176 * haifa-sched.c (update_flow_info): Likewise.
178 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
180 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
181 if it has a nonzero DECL_INITIAL.
183 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
185 * Makefile.in (flow.o): Depend on recog.h.
187 * cpplib.h (directive_table): Add missing initializiers.
188 (finclude): Change type of variable `bsize' to size_t.
190 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
192 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
194 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
195 `int' when comparing against one.
196 (cpp_file_line_for_message): Mark parameter `pfile' with
198 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
200 * flow.c: Include recog.h.
201 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
203 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
204 `f' with ATTRIBUTE_UNUSED.
205 (reposition_prologue_and_epilogue_notes): Likewise.
207 * genopinit.c (gen_insn): Cast argument of ctype functions to
210 * haifa-sched.c: Include recog.h.
211 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
212 comparing against one.
214 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
216 * mips-tfile.c (parse_end): Cast the argument of ctype function to
218 (parse_ent): Likewise.
219 (parse_input): Likewise.
221 * optabs.c (init_libfuncs): Likewise.
223 * protoize.c (find_rightmost_formals_list): Likewise.
225 * recog.h (const_double_operand): Fix typo in prototype.
227 * tlink.c (scan_linker_output): Cast the argument of ctype
228 function to `unsigned char'.
230 * toplev.c (check_lang_option): Cast the result of `strlen' to
231 `int' when comparing against one.
233 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
235 * gcse.c (dump_cuid_table): Correct typo.
237 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
239 * toplev.c (display_help): Prepend '-m' to target specific
241 (check_lang_option): Ignore text after end of first word of a
242 language specific option.
244 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
246 * reload1.c (reg_used_by_pseudo): New static variable.
247 (choose_reload_regs): Initialize it.
248 Use it instead of testing spill_reg_order to determine whether a
249 pseudo is live in a hard register across the current insn.
250 Fix a typo in a reference to reload_reg_rtx.
252 * flow.c (propagate_block): Replace code that computes and uses
253 regs_sometimes_live with simpler code that just walks the set of
254 currently live registers.
256 * Makefile.in (insn-extract.o): Fix dependencies.
257 * genextract.c (main): Generate includes for insn-config.h and
259 Delete generation of declarations which are now in recog.h.
260 * genrecog.c (main): Delete generation of definitions which are
262 * local-alloc.c (block_alloc): Use extract_insn and the variables
263 it sets up instead of looking up values by insn_code.
264 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
265 recog_dup_num): Define here instead of generating the definition in
267 (recog_n_operands, recog_n_dups, recog_n_alternatives,
268 recog_operand_mode, recog_constraints, recog_operand_address_p):
270 (extract_insn): New function.
271 * recog.h (extract_insn): Declare function.
272 (which_alternative, recog_n_operands, recog_n_dups,
273 recog_n_alternatives, recog_operand_mode, recog_constraints,
274 recog_operand_address_p): Declare variables.
275 * regclass.c (n_occurrences): New static function.
276 * reload.c (n_occurrences): Delete function.
277 (find_reloads): Use extract_insn.
278 * reload.h (n_occurrences): Delete declaration.
280 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
282 * reload1.c (reload_as_needed): Fix test for when to call
283 update_eliminable_offsets.
285 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
287 Fix consistency problems with reg_equiv_{mem,address};
288 Improve reload inheritance;
290 * reload.c (reload_out_reg): New variable.
291 (loc_mentioned_in_p, remove_address_replacements): New functions.
292 (remove_replacements): Deleted.
293 (push_reload): Set reload_out_reg[i].
294 When merging, also set reload_{in,out}_reg[i], and remove
295 duplicate address reloads.
296 (combine_reloads): Copy reload_out_reg[i].
297 (find_reloads): Do make_memloc substitution also when
298 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
300 Include *recog_operand_loc in commutativity operand changes.
301 Generate optional output reloads.
302 Delete reference to n_memlocs. Don't set *recog_operand_loc before
303 processing operands. Call make_memloc in reg_equiv_address code.
304 Set *recog_operand_loc only after processing operands, and only
305 if replace is true. Return a value.
306 When changing address reload types for operands that didn't get
307 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
308 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
309 Don't emit USEs for pseudo SUBREGs when not replacing.
310 (find_reloads_address): Do make_memloc substitution also when
311 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
313 (find_reloads_toplev): Likewise.
314 Call make_memloc in reg_equiv_address code.
315 (debug_reload_to_stream): Add code to output reload_out_reg.
316 (make_memloc): Delete local variable i, ifdefed out code, and
317 references to memlocs and n_memlocs.
318 (memlocs, n_memlocs): Delete.
319 (push_secondary_reload): Clear reload_out_reg.
320 (find_reloads_address_1): Provide memrefloc argument to all calls
321 to find_reloads_address.
322 In AUTO_INC code, handle non-directly addressable equivalences properly.
323 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
324 (find_reloads): Add return type.
325 (remove_address_replacements, deallocate_reload_reg): Declare.
326 * reload1.c (num_not_at_initial_offset): No longer static.
327 (delete_address_reloads, delete_address_reloads_1): Likewise.
328 (deallocate_reload_reg): New function.
329 (spill_reg_stored_to): New array.
330 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
331 (eliminate_regs_in_insn): Move assignments of previous_offset and
332 max_offset fields, and recalculation of num_not_at_initial_offset
333 into new static function:
334 (update_eliminable_offsets) .
335 (reload_as_needed): Call update_eliminable_offsetss after calling
337 Call forget_old_reloads_1 with contents of reloaded auto_inc
338 expressions if the actual addressing can't be changed to match the
340 (choose_reload_regs): For inheritance, replace
341 reload_reg_free_before_p test with reload_reg_used_at_all test, and
342 remove stand-alone reload_reg_used_at_all test.
343 Use reload_out_reg to determine which reload regs have output reloads.
344 Treat reload_override_in more similar to inherited reloads.
345 Handle (subreg (reg... for inheritance.
346 For flag_expensive_optimizations, add an extra pass to remove
347 unnecessary reloads from known working inheritance.
348 Delete obsolete code for pseudos replaced with MEMs.
349 Handle inheritance from auto_inc expressions.
350 (emit_reload_insns): If reload_in is a MEM, set OLD to
352 Don't reload directly from oldequiv; if it's a pseudo with a
353 stack slot, use reload_in[j].
354 Check that reload_in_reg[j] is a MEM before replacing reload_in
355 from reg_reloaded_contents.
356 Include non-spill registers in reload inheritance processing.
357 Also try to use reload_out_reg to set spill_reg_store /
359 In code to set new_spill_reg_store, use single_set to find out if
360 there is a single set.
361 Add code that allows to delete optional output reloads.
362 Add code to allow deletion of output reloads that use no spill reg.
363 At the end, set reload_override_in to oldequiv.
364 Also call delete_output_reload if reload_out_reg is equal to old
366 Add code to call delete_output_reload for stores with no matching load.
367 Set / use spill_reg_stored_to.
368 Handle case where secondary output reload uses a temporary, but
369 actual store isn't found.
370 When looking for a store of a value not loaded in order to call
371 delete_output_reload, count_occurences should return 0 for no
372 loads; but discount inherited input reloadill_reg_stored_to.
373 Do checks for extra uses of REG. Changed all
375 Use delete_address_reloads.
376 (reload): Take return value of find_reloads into account.
377 If a no-op set needs more than one reload, delete it.
378 (reload_reg_free_before_p): RELOAD_FOR_INPUT
379 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
380 for the same operand.
381 (clear_reload_reg_in_use): Check for other reloads that keep a
383 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
384 RELOAD_FOR_OPADDR_ADDR.
385 Take into account when an address address reload is only needed
386 for the address reload we are considering.
387 (count_occurrences): Use rtx_equal_p for MEMs.
388 (inc_for_reload): Return instruction that stores into RELOADREG.
389 New argument two, IN, and rtx. Changed all callers.
390 (calculate_needs_all_insns, reload_as_needed):
391 Don't clear after_call for a CLOBBER.
392 Keep track of how many hard registers need to be copied from
393 after_call, and don't clear after_call before we have seen
394 that much copies, or we see a different instruction.
396 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
398 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
399 after reload has completed.
401 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
403 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
404 a macro name and the next token with a single blank if that whitespace
405 is in a macro buffer and the next token is not '('.
407 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
409 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
411 (skip_if_group): Ditto.
412 (skip_to_end_of_comment): Ditto.
414 (discard_comments): Ditto.
415 (change_newlines): Ditto.
417 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
419 * c-lex.c (yylex): Fix unaligned access of wchar_t.
421 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
423 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
424 (TARGET_OPTIONS): Add --help documentation.
426 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
428 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
430 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
432 * fixinc/* Moved in from ../contrib directory in preparation
433 for integrating it into the normal build process. In particular,
434 fixinc/Makefile.in must be config-ed into the build directory
435 as fixinc/Makefile. Proposed patches to ./Makefile.in and
436 ./configure.in will be "in the mail" momentarily.
438 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
440 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
441 accidently walk into the free list. Comment how that can happen.
442 (invalidate): Fix indentation.
444 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
445 Jeffrey A Law (law@cygnus.com)
447 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
448 reload. Never perform rescans of the insn chain after reload.
449 (propagate_block): Do not delete insn or create new autoinc addressing
452 * jump.c (jump_optimize): Unconditionally use the code that was
453 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
454 * reload1.c (reload): When reloading is finished, delete all
455 REG_DEAD and REG_UNUSED notes.
456 (emit_reload_insns): Delete all code that was conditional on
457 PRESERVE_DEATH_INFO_REGNO_P.
458 (no_longer_dead_regs): Delete variable.
459 (reload_cse_delete_death_notes): Delete function.
460 (reload_cse_no_longer_dead): Delete function.
461 (reload_cse_regs_1): Delete all code to handle deletion of death
463 (reload_cse_noop_set_p): Likewise.
464 (reload_cse_simplify_set): Likewise.
465 (reload_cse_simplify_operands): Likewise.
466 (reload_cse_move2add): Likewise.
467 * reorg.c (used_spill_regs): Delete declaration.
468 (max_label_num_after_reload): Delete declaration.
469 (find_dead_or_set_registers): Don't assume that spill regs are
470 dead at a CODE_LABEL.
471 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
473 * sched.c (sched_analyze_insn): Likewise.
474 (update_flow_info): Likewise.
475 * haifa-sched.c (sched_analyze_insn): Likewise.
476 (update_flow_info): Likewise.
477 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
478 * toplev.c (max_label_num_after_reload): Delete variable.
479 (rest_of_compilation): Don't set max_label_num_after_reload.
480 Call life_analysis after reload_cse_regs if optimizing.
481 * config/gmicro/gmicro.h: Delete comment referring to
482 PRESERVE_DEATH_INFO_REGNO_P.
483 * config/i386/i386.h: Likewise.
484 * config/m88k/m88k.h: Likewise.
485 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
486 * config/sh/sh.h: Likewise.
488 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
490 * loop.c (strength_reduce): Restore marking bct_p as
492 * rs6000.c (optimization_options): Change #ifdef HAIFA to
493 HAVE_decrement_and_branch_on_count.
494 (small_data_operand): Remove TARGET_ELF condition for marking
495 parameters ATTRIBUTE_UNUSED.
497 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
499 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
500 (SELECT_SECTION): Resync with svr4.h.
502 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
504 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
507 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
509 * c-pragma.c (handle_pragma_token): Test for null tree before
510 dereferencing TREE_CODE.
512 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
514 * config/c4x/c4x.c: Convert to use GEN_INT.
515 (c4x_parallel_process): Rework to handle new repeat loop structure.
517 * config/c4x/c4x.md: Convert to use GEN_INT.
518 (rptb_end): Convert to use GE test. Replace uses with clobbers.
519 (decrement_and_branch_on_count): Likewise.
521 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
522 loop.c has the desired functionality.
523 (rc_reg_operand): New prototype.
525 * config/c4x/t-c4x: Can now build all front ends.
527 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
529 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
531 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
533 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
534 * config/t-rtems: Do not install assert.h -- use newlib's.
536 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
538 * combine.c (combine_instructions): When finished, call init_recog.
539 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
541 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
543 * toplev.c: If flag_syntax_only, don't open or write assembler file.
545 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
547 * cppalloc.c (memory_full): Mark function prototype with
550 * demangle.h (collect_exit): Likewise.
552 * fix-header.c (v_fatal, fatal): Likewise.
554 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
557 * gcov.c (print_usage): Likewise.
559 * genattr.c (fatal, fancy_abort): Likewise.
561 * genattrtab.c (fatal, fancy_abort): Likewise.
563 * gencodes.c (fatal, fancy_abort): Likewise.
565 * genconfig.c (fatal, fancy_abort): Likewise.
567 * genemit.c (fatal, fancy_abort): Likewise.
569 * genextract.c (fatal, fancy_abort): Likewise.
571 * genflags.c (fatal, fancy_abort): Likewise.
573 * genopinit.c (fatal, fancy_abort): Likewise.
575 * genoutput.c (fatal, fancy_abort): Likewise.
577 * genpeep.c (fatal, fancy_abort): Likewise.
579 * genrecog.c (fatal, fancy_abort): Likewise.
581 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
582 __sjpopnthrow, __throw): Likewise.
584 * objc/objc-act.c (objc_fatal): Likewise.
586 * protoize.c (usage, aux_info_corrupted,
587 declare_source_confusing): Likewise.
589 * rtl.c (dump_and_abort): Likewise.
591 * rtl.h (sets_cc0_p): Likewise.
593 * toplev.c (float_signal, pipe_closed): Likewise.
595 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
597 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
598 when generating the decision tree for the general case.
600 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
601 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
603 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
605 * Makefile.in (sched.o): Depend on recog.h.
607 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
608 (unsigned) when comparing against one.
609 (find_base_value): Likewise.
610 (record_base_value): Cast variable `regno' to (unsigned) when
611 comparing against one. Cast the result of REGNO() macro to
612 (unsigned) when comparing against one.
613 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
615 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
616 variable where an unsigned index is needed.
618 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
619 before comparing against one.
621 * collect2.c: Add prototypes for functions `error', `fatal' and
622 `fatal_perror'. Make these functions take variable arguments
623 instead of faking it with a fixed number of args.
624 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
627 * combine.c (can_combine_p): Mark parameter `pred' with
629 (find_split_point): Cast variable `src' to (unsigned
630 HOST_WIDE_INT) when comparing against one.
631 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
632 (simplify_logical): Likewise.
633 (force_to_mode): Cast result of INTVAL() macro to (unsigned
634 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
635 HOST_WIDE_INT) in shift.
636 (simplify_and_const_int): Cast result of INTVAL() macro to
637 `unsigned HOST_WIDE_INT' when comparing against one.
638 (merge_outer_ops): Cast variable const0 to `unsigned
639 HOST_WIDE_INT' when comparing against the result of
640 GET_MODE_MASK() macro.
641 (simplify_comparison): Likewise for variable `c0'. Cast variable
642 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
643 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
644 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
645 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
646 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
647 comparing against one.
648 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
650 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
651 macro to `unsigned HOST_WIDE_INT' when comparing against one.
652 (output_block_move): Cast `sizeof' expression to (int) when
653 comparing against one.
654 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
656 (save_restore_insns): Cast `base_offset' to `long' to match format
657 specifier in fprintf.
659 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
660 to `enum machine_mode'.
662 * flow.c (life_analysis_1): Remove unused variable `insn'.
664 * gcc.c (translate_options): Move variables `j' and `k' into the
665 scope in which they are used. Change their types to `size_t'.
666 (set_spec): Cast the argument of ctype macro to `unsigned char'.
667 (read_specs): Likewise.
668 (process_command): Cast `sizeof' to (int) when comparing against one.
669 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
670 (handle_braces): Cast both sides of `==' expression to `long' to
671 ensure sign matching.
672 (main): Cast variable `i' to `int' when comparing against one.
674 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
675 int to size_t. Cast variable `i' to size_t when comparing against
678 * genattrtab.c (convert_set_attr_alternative): Remove unused
679 parameter `insn_code'. All callers changed.
680 (convert_set_attr): Likewise.
682 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
683 size_t when comparing against one. Likewise for variable `len'.
685 * global.c (global_alloc): Cast variable `max_regno' to size_t
686 when comparing against one. Likewise for variable `max_allocno'.
688 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
690 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
691 `set' with ATTRIBUTE_UNUSED.
692 (find_free_reg): Cast `sizeof' expression to (int) when comparing
695 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
696 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
697 (get_condition): Cast variable `const_val' to `unsigned
698 HOST_WIDE_INT' when comparing against one. Cast unsigned
699 expression to HOST_WIDE_INT when comparing against one.
700 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
701 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
702 `unsigned' when comparing against one.
704 * protoize.c (is_id_char): Change type of parameter `ch' to
706 (munge_compile_params): Cast argument of ctype macro to (const
708 (process_aux_info_file): Cast variable `aux_info_size' to int when
709 comparing against one.
710 (forward_to_next_token_char): Cast argument of ctype macro to
711 `const unsigned char'.
712 (edit_formals_lists): Likewise.
713 (find_rightmost_formals_list): Likewise.
714 (add_local_decl): Likewise.
715 (add_global_decls): Likewise.
716 (edit_fn_definition): Likewise.
717 (do_cleaning): Likewise.
718 (scan_for_missed_items): Likewise.
719 (edit_file): Cast variable `orig_size' to (int) when comparing
721 (main): Cast argument of ctype macro to `const unsigned char'.
723 * recog.c (const_int_operand): Mark parameter `mode' with
726 * regclass.c (record_reg_classes): Change type of variable `c' to
727 `unsigned char'. Cast `char' array index to `unsigned char'.
729 * reload.c (push_secondary_reload): Cast argument to
730 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
732 * reload1.c (calculate_needs): Cast `char' array index to
734 (set_label_offsets): Change type of variable `i' to unsigned int.
735 Cast result of XVECLEN() macro to unsigned when comparing against
737 (mark_not_eliminable): Change type of variable `i' to unsigned.
738 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
739 when comparing against one.
740 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
741 comparing against one.
742 (choose_reload_regs): Hide unused label `fail'.
743 (reload_cse_simplify_operands): Cast `char' array index to
745 (reload_combine_note_store): Mark parameter `set' with
746 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
748 (reload_cse_move2add): Remove unused variable `src2'.
750 * sched.c: Include recog.h.
751 (sched_note_set): Remove unused parameter `b'. All callers
753 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
754 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
755 when comparing against one.
757 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
758 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
759 comparing against one.
761 * unroll.c (precondition_loop_p): Remove unused parameter
762 `loop_end'. All callers changed.
764 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
766 * reload1.c (maybe_fix_stack_asms): New static function.
769 * reload.h (compute_use_by_pseudos): Declare.
771 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
772 (something_needs_reloads): Delete variable.
773 (finish_spills): New function.
774 (compute_use_by_pseudos): New function.
776 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
777 Use the reload_insn_chain instead of walking the rtl directly.
779 (reload): Allocate and free spilled_pseudos.
780 Ensure that all calls of spill_hard_reg are followed by a call to
782 Use the insns_need_reload list instead of something_needs_reloads
783 to find out if reload_as_needed must be called.
784 Clear unused_insn_chains at the end.
786 (calculate_needs_all_insns): Lose FIRST parameter. All callers
788 Delete code to keep track of current basic block.
789 Walk reload_insn_chain instead of the rtl structure. Build the
790 insns_need_reload chain.
791 Remember which insns need reloading/elimination by setting the
792 appropriate fields in struct insn_chain, not by putting modes on the
795 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
796 arg INSN. All callers changed.
797 Delete declaration of struct needs.
798 Don't set something_needs_reloads.
799 Record insn needs in the CHAIN argument.
801 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
803 (reload_as_needed): Lose FIRST arg. All callers changed.
804 Walk the reload_insn_chain instead of the rtx structure.
805 Delete code to keep track of current basic block.
806 Rename one of the NEXT variables to OLD_NEXT.
808 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
810 (choose_reload_regs): Likewise.
812 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
815 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
816 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
817 (hard_regs_live, hard_regs_need_restore): Delete variables.
818 (n_regs_saved): Now static.
819 (referenced_regs, this_insn_sets): New variables.
821 (setup_save_areas): Restructure the code a bit.
823 (restore_referenced_regs): Delete function.
824 (mark_referenced_regs): New function, similar to the old
825 restore_referenced_regs, but mark registers in referenced_regs.
827 (clear_reg_live): Delete function.
828 (mark_set_regs): Renamed from set_reg_live. All callers changed.
829 Only mark registers in this_insn_sets.
831 (save_call_clobbered_regs): Rework this function to walk the
832 reload_insn_chain instead of using the list of instructions directly.
833 Delete code to keep track of register lives, compute live regs on the
834 fly from information in the chain.
835 Instead of calling restore_referenced_regs, use mark_referenced_regs,
836 then walk the set it computes and call insert_restore as appropriate.
838 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
840 Restructure the code a bit. Test hard_regs_saved instead of
841 hard_regs_need_restore.
842 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
843 args. All callers changed.
844 Restructure the code a bit. Use TO_SAVE to determine which regs to
845 save instead of more complicated test.
846 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
848 Create a new insn_chain structure for the new insn and place it
851 * rtl.texi: Update documentation to reflect that reload no longer
852 puts modes on the insns.
854 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
856 * function.c (purge_addressof_1): Force the first argument of a
859 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
861 * rtl.h: Delete duplicate prototypes. Add some missing
863 * rtlanal.c: (for_each_rtx): Formatting tweak.
865 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
867 * real.c (emdnorm and etoasc): Disable round to even for c4x target
868 to be compatible with TI compiler.
870 * Makefile.in (USER_H): Add va-c4x.h to definition.
872 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
874 * function.c (purge_addressof_1): Fix typo in inequality: do
875 bitfield optimization for equal mode sizes.
876 * expmed.c (store_bit_field): Don't take subregs of subregs in
877 the movstrict case. Tidy a potential problem in the multi-word case.
878 (extract_bit_field): Likewise.
880 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
882 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
884 Compute max_uid_for_flow by calling get_max_uid after the scan.
885 (find_basic_blocks_1): Don't emit NOPs here.
887 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
889 * alias.c (base_alias_check): Accept new args for the modes of the
890 two references. Use them to determine if an AND can overlap. Update
892 (memrefs_conflict_p): Assume sizes are aligned, and uses them
893 to determine if an AND can overlap.
895 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
897 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
898 check. Add comment to document problems with TARGET_SUN_FPA version
900 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
902 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
904 * Makefile.in (gencheck.o): Depend on gansidecl.h.
906 * c-common.c (print_char_table): Add missing initializers.
907 (scan_char_table): Likewise.
908 (time_char_table): Likewise.
910 * c-decl.c (c_decode_option): Mark parameter `argc' with
912 (declare_parm_level): Mark parameter `definition_flag' with
915 * c-lex.c (readescape): Use `(unsigned)1' in shift.
916 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
919 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
921 (emit_call_1): Mark parameters `fndecl' and `funtype' with
923 (expand_call): Cast result of MIN() to (unsigned int) when
924 comparing against an unsigned value.
926 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
928 (make_definition): Remove unused parameter `op'. All callers
930 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
931 comparing against the result of pointer arithmetic.
933 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
934 when comparing against one.
936 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
937 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
939 (output_die): Move variable `i' into the scope in which it is
940 used. Change its type to `unsigned'.
941 (output_die): Cast the result of `strlen' to (int) when passing it
942 to ASM_OUTPUT_ASCII().
943 (output_pubnames): Likewise.
944 (output_line_info): Likewise.
946 * emit-rtl.c (global_rtl): Add missing initializers.
948 * explow.c (promote_mode): Mark parameter `for_call' with
951 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
952 `unsigned HOST_WIDE_INT' when comparing against one.
953 (synth_mult): Change type of variable `cost' to int.
954 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
956 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
957 when comparing against one.
958 (get_inner_reference): Change variable `alignment' to unsigned.
959 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
960 int) when comparing against one.
961 (expand_builtin_setjmp): Change type of variable `i' to size_t.
963 * fold-const.c (div_and_round_double): Cast BASE to
964 (HOST_WIDE_INT) when comparing against one.
966 * gencheck.c: Include gansidecl.h.
967 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
969 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
970 `tcode' with ATTRIBUTE_UNUSED.
972 * real.c (edivm): Cast constant value to (unsigned long) in
973 expression compared against an unsigned value.
975 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
976 comparing against one.
977 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
978 when comparing against one.
980 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
981 (unsigned int) when comparing against one. Likewise for
983 (smallest_mode_for_size): Likewise.
984 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
985 (restore_storage_status): Likewise.
987 * toplev.c (debug_args): Add missing initializer.
988 (f_options): Spelling correction. Add missing initializers.
989 (documented_lang_options): Likewise.
990 (debug_end_source_file): Mark parameter `lineno' with
993 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
994 `decl' and `type' with ATTRIBUTE_UNUSED.
996 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
997 when comparing against one.
998 (assemble_variable): Mark parameter `top_level' with
1000 (assemble_external_libcall): Mark parameter `fun' with
1002 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1005 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1007 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1008 Replace use of r5 with use of r19.
1010 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1012 * config/v850/v850.c (compute_register_save_size): Allow for the
1013 fact that helper functions save all registers, not just those used
1016 Replace constant 31 with macro LINK_POINTER_REGNUM.
1018 * config/v850/v850.md: Use 'indirect_operand' rather than
1019 'memory_operand' for bit test/set/clear patterns.
1021 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1023 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1024 * varasm.c (assemble_start_function et al): Don't call
1025 ASM_GLOBALIZE_LABEL for weak symbols.
1027 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1029 * cse.c (equiv_constant): Check for NULL return from
1030 gen_lowpart_if_possible().
1032 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1034 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1036 * collect2.c (main): Pass -EL/-EB through to the compiler.
1038 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1040 * expr.c (push_block): Handle targets where the stack grows
1041 to higher addresses, but args grow to lower addresses and
1042 ACCUMULATE_OUTGOING_ARGS is not defined.
1044 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1046 * config/v850/v850.c (print_operand): Extend meaning
1047 of 'c' operands to support .vtinherit.
1049 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1051 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1052 Added ATTRIBUTE_UNUSED to unused function arguments.
1053 (rc_reg_operand): New predicate.
1054 (c4x_rptb_insert): New function.
1055 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1056 (c4x_optimization_options): New function.
1058 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1059 (decrement_and_branch_on_count): New pattern.
1060 (rptb_top): Modified pattern to work with BCT optimization.
1062 * config/c4x/c4x.h (RC_REG): New register class.
1063 (rc_reg_operand): Define prototype.
1064 (IS_RC_REG): New macro.
1065 (IS_RC_OR_PSEUDO_REG): New macro.
1066 (IS_RC_OR_PSEUDO_REGNO): New macro.
1067 (OPTIMIZATION_OPTIONS): Define.
1069 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1071 * collect2.c (extract_init_priority): No priority is 65535.
1073 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1075 * Makefile.in (build_tooldir): new variable, same as old
1076 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1077 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1078 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1080 * configure.in (gxx_include_dir): set default based on unlibsubdir
1081 * Makefile.in (tooldir): ditto
1082 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1083 gxx_include_dir, includedir and tooldir
1084 (protoize.o, unprotoize.o): ditto
1086 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1088 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1090 * config/arm/thumb.c (thumb_override_options): Add warning about
1091 PIC code not being supported just yet.
1093 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1095 * flow.c: Update comment.
1096 (notice_stack_pointer_modification): New static function.
1097 (record_volatile_insns): Use it.
1098 (mark_regs_live_at_end): Mark the stack pointer as alive
1099 at the end of the function if current_function_sp_is_unchanging
1101 (life_analysis_1): Set current_function_sp_is_unchanging.
1102 * function.c: Define it.
1103 (init_function_start): Initialize it.
1104 * output.h: Declare it.
1105 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1106 the stack pointer as alive at the end of the function if
1107 current_function_sp_is_unchanging is set.
1108 * i386.c (ix86_epilogue): Optimize the restoring
1109 of the stack pointer.
1111 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1113 * version.c: Bump for snapshot.
1115 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1117 * c-pragma.c (handle_pragma_token): If passed a token instead
1118 of a tree, use that as the pack value.
1120 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1122 * flow.c (find_basic_blocks_1): Fix prototype.
1124 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1126 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1127 (struct tree_decl): New fields no_check_memory_usage.
1128 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1129 (init_attributes): Register it as a new attribute.
1130 (decl_attributes): Set flags on functions given that attribute.
1131 * c-decl.c (duplicate_decls): Merge new attribute.
1132 * expr.h (current_function_check_memory_usage): Declare new var.
1133 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1134 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1135 current_function_check_memory_usage.
1136 * function.h: Add field to struct function.
1137 * function.c (current_function_check_memory_usage): Define it.
1138 (push_function_context_to, pop_function_context_from): Save and
1140 (expand_function_start): Set it, based on global flag and function
1143 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1144 check non-automatic variables, to permit detection of writes to
1145 read-only locations in embedded systems without memory management.
1146 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1147 when emitting chkr_set_right_libfunc call, even if the argument is
1148 BLKmode or variable-sized; don't abort.
1150 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1151 symbols in Pmode, not VOIDmode.
1153 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1155 * cppexp.c: When forcing unsigned comparisons, cast both sides
1158 * cpphash.h: Move static declaration of hashtab[]...
1159 * cpphash.c: ...here.
1161 * cpplib.c: Cast difference of two pointers to size_t before
1162 comparing it to size_t. Cast signed to unsigned
1163 before comparing to size_t. (FIXME: struct argdata should use
1164 unsigned buffer sizes.)
1165 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1166 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1167 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1168 size_t before comparison.
1170 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1172 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1173 (find_basic_blocks_1): Similarly.
1174 * output.h (find_basic_blocks): Fix prototype.
1175 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1176 find_basic_blocks anymore.
1178 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1180 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1181 (sbitmap_free, sbitmap_vector_free): New macros.
1182 * output.h (rtl_dump_file): Declare.
1184 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1186 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1188 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1190 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1192 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1193 (divide): Remove unused variable `tmp'.
1194 (si_to_float): Cast numeric constant to (SItype) before comparing
1197 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1199 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1200 * gcc.c (add_preprocessor_option): Correct typo when allocating
1201 memory, sizeof() argument had one too many `*'.
1202 (add_assembler_option): Likewise.
1203 (add_linker_option): Likewise.
1204 * gcov.c (output_data): Likewise.
1205 * local-alloc.c (memref_used_between_p): Likewise.
1206 (update_equiv_regs): Likewise.
1207 * loop.c (strength_reduce): Likewise.
1208 * reg-stack.c (record_asm_reg_life): Likewise.
1209 (subst_asm_stack_reg): Likewise.
1210 * reorg.c (dbr_schedule): Likewise.
1212 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1214 * flow.c (life_analysis_1): Break out some functions.
1215 (find_basic_blocks_1): Likewise. Also move some variables out and
1217 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1218 new static var nonlocal_label_list with it.
1219 (active_eh_region, nested_eh_region, label_value_list,
1220 nonlocal_label_list): New static variables.
1221 (make_edges, delete_unreachable_blocks, delete_block): New static
1222 functions, broken out of find_basic_blocks_1.
1223 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1224 noop_move_p): New static functions, broken out of life_analysis_1.
1226 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1228 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1229 Take extra care for op0 now possibly being a subreg.
1230 (extract_bit_field): Likewise.
1231 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1232 the reg to memory if there is no equal sized integral mode.
1233 * stor-layout.c (int_mode_for_mode): New function.
1234 * machmode.h: Prototype it.
1236 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1238 * global.c (build_insn_chain): Verify no real insns exist past the
1239 end of the last basic block, then exit the loop.
1241 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1243 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1245 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1247 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1249 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1251 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1253 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1255 * flow.c (find_basic_blocks): Correctly determine when a call
1256 is within an exception region.
1258 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1260 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1262 * cpplib.h: Protect from multiple inclusions.
1263 * cpplib.c: Fix minor formatting problems.
1265 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1267 * jump.c (jump_optimize): Revert accidental patch.
1269 * Makefile.in (cpplib.o): Use unlibsubdir.
1271 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1273 * loop.c (get_condition): Allow combine when either compare is
1276 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1278 * version.c: Bump for snapshot.
1280 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1282 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1283 (init_lex): Initialize ridpointers[RID_BYREF].
1284 * c-lex.h (enum rid): Add RID_BYREF.
1285 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1286 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1287 (encode_type_qualifiers): Similarly
1288 * c-gperf.h: Rebuilt.
1290 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1292 * c-common.c (type_for_mode): Only return TItype nodes when
1293 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1294 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1295 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1296 (init_decl_processing): Only create TItype nodes when
1297 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1298 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1299 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1301 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1303 * stmt.c (n_occurrences): New static function.
1304 (expand_asm_operands): Verify that all constrains match in the
1305 number of alternatives.
1306 Verify that '+' or '=' are at the beginning of an output constraint.
1307 Don't allow '&' for input operands.
1308 Verify that '%' isn't written for the last operand.
1309 * reload.c (find_reloads): Abort if an asm is found with invalid
1310 constraints; all possible problems ought to be checked for earlier.
1312 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1314 * flags.h (flag_branch_on_count_reg): Always declare
1315 * toplev.c (flag_branch_on_count_reg): Likewise.
1316 * toplev.c: Fix typos.
1318 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1321 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1323 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1325 (find_basic_blocks_1): Add a nop to the end of a basic block when
1326 a trailing call insn does not have abnormal control flow.
1327 * gcse.c (pre_transpout): New variable.
1328 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1329 (compute_pre_transpout): Calculate it.
1330 (compute_pre_ppinout): Use it to eliminate impossible placements
1331 due to abnormal control flow through calls.
1332 (compute_pre_data): Call compute_pre_transpout.
1334 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1336 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1338 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1340 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1341 and matching define_insns): Tack on a `use' of the table label, so
1342 flow analysis will recognize a tablejump.
1344 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1346 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1347 always end basic blocks for abnormal edge reasons.
1349 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1351 * config/i386/i386.h: Remove definition of
1352 HANDLE_PRAGMA_PACK_PUSH_POP.
1354 * config/i386/go32.h: Add definition of
1355 HANDLE_PRAGMA_PACK_PUSH_POP.
1357 * config/i386/win32.h: Add definition of
1358 HANDLE_PRAGMA_PACK_PUSH_POP.
1360 * config/i386/cygwin32.h: Add definition of
1361 HANDLE_PRAGMA_PACK_PUSH_POP.
1363 * c-pragma.c (insert_pack_attributes): Do not insert
1364 attributes unless #pragma pack(push,<n>) is in effect.
1366 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1368 * expr.c (emit_group_store): Handle a PARALLEL destination.
1370 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1372 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1373 the new insns before the argument regs are loaded.
1375 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1377 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1378 (c-parse.gperf): Update comments describing invocation flags.
1379 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1381 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1383 * reload1.c (reload): Call free before clobbering the memory
1384 locations or constants pointers.
1386 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1388 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1389 for efficiency by checking whether we need to modify the current
1390 stack permission at all.
1391 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1392 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1393 __enable_execute_stack libcall here too if
1394 TRANSFER_FROM_TRAMPOLINE is defined.
1395 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1398 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1400 * Makefile.in (DRIVER_DEFINES): Remove last change.
1402 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1404 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1405 insns we're going to copy.
1406 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1408 * loop.c (count_one_set): Add prototype.
1410 * caller-save.c (restore_referenced_regs): Lose mode argument.
1411 (insert_save): Lose mode argument.
1412 (insert_restore): Lose mode argument.
1413 (insert_one_insn): Lose mode argument.
1414 (save_call_clobbered_regs): Lose mode argument.
1415 (setup_save_areas): Take no argument and return void. All callers
1417 Don't verify validity of memory addresses.
1418 * reload.h (setup_save_ares): Adjust prototype.
1419 (save_call_clobbered_regs): Likewise.
1420 * reload1.c (delete_caller_save_insns): New function.
1421 (caller_save_spill_class): Delete variable.
1422 (caller_save_group_size): Delete variable.
1423 (reload): Call setup_save_areas and save_call_clobbered_regs
1424 in the main loop, before calling calculate_needs_all_insns.
1425 Don't call save_call_clobbered_regs after the loop.
1426 Call delete_caller_save_insns at the end of an iteration if
1428 Delete code to manage caller_save_spill_class.
1429 Emit the final note before setting reload_first_uid.
1430 Simplify test that determines whether reload_as_needed gets run.
1431 (calculate_needs): Delete code to manage caller_save_spill_class.
1433 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1435 * collect2.c (main): Initialize ld_file_name.
1437 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1439 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1440 check for flag_function_sections.
1442 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1444 * cse.c (insert_regs): Fix bug in Sep 24 change.
1446 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1448 * flags.h (flag_dump_unnumbered): Declare.
1449 * toplev.c (flag_dump_unnumbered): Don't declare.
1450 * print-rtl.c (flags.h): Include.
1451 (print_rtl_single): Add return value.
1452 * rtl.h (print_rtl_single): Update declaration.
1453 * flow.c (flag_dump_unnumbered): Don't declare.
1454 (print_rtl_with_bb): Use return value of print_rtl_single.
1456 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1458 * loop.c (count_one_set): New static function, broken out of
1460 (count_loop_regs_set): Call it.
1461 * global.c (mark_reg_store): Handle clobbers here by not calling
1463 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1464 is in fact a clobber.
1465 * integrate.c (process_reg_param): New function, broken out of
1466 expand_inline_function.
1467 (expand_inline_function): Call it.
1470 * i386.md (addsidi3_1): Delete unused variable temp.
1471 (addsidi3_2): Likewise.
1472 (clstrstrsi): Delete unused variable addr1.
1474 * rtl.h: Don't declare any functions also declared in recog.h.
1476 * Makefile.in (stupid.o): Update dependencies.
1477 (global.o): Likewise.
1479 * global.c: Include reload.h
1480 (reg_becomes_live): New function.
1481 (reg_dies): New function.
1482 (build_insn_chain): New function.
1483 (global_alloc): Call build_insn_chain before calling reload.
1485 * reload.h (struct needs): New structure definition.
1486 (struct insn_chain): Likewise.
1487 (reload_insn_chain): Declare variable.
1488 (new_insn_chain): Declare function.
1491 * reload1.c (reload_startobj): New variable.
1492 (reload_insn_chain): New variable.
1493 (unused_insn_chains): New variable.
1494 (new_insn_chain): New function.
1495 (init_reload): Initialize reload_startobj, not reload_firstobj.
1496 (reload): Initialize reload_firstobj.
1497 Before returning, free everything on the reload_obstack.
1499 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1500 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1501 current_chain): New variables.
1502 (reg_where_born): Delete variable.
1503 (REG_WHERE_BORN): New macro.
1504 (find_clobbered_regs): New function.
1505 (stupid_life_analysis): Don't allocate/free reg_where_born.
1506 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1507 reg_where_dead_chain.
1508 Use REG_WHERE_BORN instead of reg_where_born.
1509 While processing the insns, build the reload_insn_chain with
1510 information about register lifetimes.
1511 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1512 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1514 Compute and information about birth and death of pseudo registers in
1515 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1516 Delete code to set elements of reg_where_born.
1518 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1520 * tree.def (GOTO_EXPR): Modified documentation.
1521 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1524 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1526 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1527 loop_final_value, loop_comparison_code): No longer static.
1528 (unroll_loop): Delete loop_start_value update.
1529 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1530 loop_final_value, loop_comparison_code): Extern.
1531 (loop_start_value): Delete extern.
1532 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1533 loop_comparison_value, loop_comparison_code): Delete.
1534 (loop_optimize): Remove initialization for deleted variables.
1535 (strength_reduce): Delete analyze_loop_iterations call. Only call
1536 insert_bct if flag_branch_count_on_reg set.
1537 (analyze_loop_iterations): Delete.
1538 (insert_bct): Remove iteration count calculation. Move checks for
1539 viable BCT optimization to here. Obtain iteration count from
1540 loop_iterations and correct for unrolling. Check for enough
1541 iteration to be beneficial. Comment out runtime iteration count
1543 (insert_bct): Print iteration count in dump file. Remove
1544 loop_var_mode and use word_mode directly.
1546 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1547 * rs6000.c (rs6000_override_options): Use it.
1548 (optimization_options): Enable use of flag_branch_on_count_reg.
1549 * rs6000.md (define_function_unit): Describe 604e.
1551 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1553 * loop.c (move_movables): Corrected threshold calculation for
1554 moved_once registers.
1556 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1558 * loop.c (combine_givs_p): Fix test for identical givs.
1560 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1562 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1563 call abort if the function is already defined.
1565 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1567 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1568 truncation is not a no-op.
1570 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1572 * version.c: Bump for snapshot.
1574 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1576 * version.c: Bump for snapshot.
1578 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1580 * expmed.c (expand_divmod): Don't widen for computing remainder
1581 if we seem to have a divmod pattern for needed mode.
1583 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1585 * cpplib.c (macroexpand): Correct off-by-one error in handling
1588 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1590 * combine.c (expand_field_assignment): Don't do bitwise operations
1591 on MODE_FLOAT; pun to MODE_INT if possible.
1593 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1594 scott snyder <snyder@d0sgif.fnal.gov>
1596 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1597 linker. Recognize mangled names in quotes.
1599 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1601 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1602 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1603 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1604 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1606 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1608 * function.c (purge_addressof_1): If trying to take a sub-word
1609 integral piece of a floating point mode, put it on the stack.
1611 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1613 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1615 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1617 * PROJECTS: Remove template friends.
1619 * collect2.c (sort_ids): Remove unused variable.
1621 * tm.texi (MATH_LIBRARY): Document.
1622 (NEED_MATH_LIBRARY): Remove.
1624 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1625 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1627 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1629 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1630 last_end to 0x7fffffff.
1632 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1634 * function.c (purge_addressof_1): Do not perform endianness
1635 corrections on bitpos, who we call will do it for us.
1637 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1639 * h8300.c (WORD_REG_USED): Fix typo.
1640 (initial_offset): Use WORD_REG_USED.
1642 * h8300.c (handle_pragma): Fix typo.
1644 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1646 * caller-save.c (insert_save_restore): Break this function up
1647 into new functions insert_restore, insert_save and insert_one_insn.
1648 All callers changed.
1649 (insert_restore): New function, mostly broken out of
1650 insert_save_restore.
1651 (insert_save): Likewise.
1652 (insert_one_insn): Likewise.
1653 (restore_referenced_regs): New argument BLOCK. All callers changed.
1654 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1655 in this function, do it in insert_one_insn instead.
1657 * reload1.c (reload): Break out some more pieces into separate
1659 (dump_needs): New function, broken out of reload.
1660 (set_initial_elim_offsets): Likewise.
1661 (init_elim_table): Likewise.
1662 (update_eliminables): Likewise.
1664 * global.c (global_alloc): Delete code to manage the scratch_list.
1665 * local-alloc.c (qty_scratch_rtx): Delete.
1666 (scratch_block): Delete.
1667 (scratch_list): Delete.
1668 (scratch_list_length): Delete.
1669 (scratch_index): Delete.
1670 (alloc_qty_for_scratch): Delete.
1671 (local-alloc): Update initialization of max_qty.
1672 Delete code to manage the scratch list.
1673 Delete code to allocate/initialize qty_scratch_rtx.
1674 (block_alloc): Don't allocate quantities for scratches.
1675 Delete code to manage the scratch list.
1676 * regs.h (scratch_list): Delete declaration.
1677 (scratch_block): Delete declaration.
1678 (scratch_list_length): Delete declaration.
1679 * reload1.c (reload): Delete code to manage the scratch list.
1680 (spill_hard_reg): Likewise.
1681 (mark_scratch_live): Delete.
1683 * recog.c (alter_subreg): Delete declaration.
1685 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1687 * Makefile.in (cccp.o): Fix typo in last patch.
1689 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1691 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1692 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1694 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1696 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1697 NULL_RTX as an argument.
1699 * Makefile.in (unlibsubdir): Define.
1700 (DRIVER_DEFINES): Use unlibsubdir.
1701 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1702 (stmp-fixinc): Similarly.
1704 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1706 * regmove.c (regmove_optimize): Add variable old_max_uid.
1707 At the end of the function, update basic_block_end.
1709 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1711 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1712 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1715 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1717 * config/arm/arm.c: Improve interworking support.
1719 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1721 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1722 copied from reload_out[r] .
1724 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1726 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1727 with more than three size ranges.
1729 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1731 * rtl.c (mode_name): Add a null string at the end of the array.
1732 (mode_wider_mode): Change type to unsigned char.
1733 (mode_mask_array): New variable.
1734 (init_rtl): Update for mode_wider_mode type change.
1736 * rtl.h (mode_wider_mode): Change type to unsigned char.
1737 (mode_mask_array): Declare.
1738 (GET_MODE_MASK): Use mode_mask_array.
1740 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1742 * calls.c (expand_call) : Encapsulate code into
1743 copy_blkmode_from_reg.
1744 * expr.c (copy_blkmode_from_reg): New function.
1745 * expr.h (copy_blkmode_from_reg): New function.
1746 * integrate.c (function_cannot_inline_p): We can inline
1748 (expand_inline_function): Use copy_blkmode_from_reg
1749 if needed. Avoid creating BLKmode REGs.
1750 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1753 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1755 * config/v850/v850.c: Add function prototypes.
1756 Add support for v850 special data areas.
1758 * config/v850/v850.h: Add support for v850 special data areas.
1760 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1761 HANDLE_PRAGMA_PACK_PUSH_POP.
1762 (push_alignment): New function: Cache an alignment requested
1763 by a #pragma pack(push,<n>).
1764 (pop_alignment): New function: Pop an alignment from the
1766 (insert_pack_attributes): New function: Generate __packed__
1767 and __aligned__ attributes for new decls whilst a #pragma pack
1769 (add_weak): New function: Cache a #pragma weak directive.
1770 (handle_pragma_token): Document calling conventions. Add
1771 support for #pragma pack(push,<n>) and #pragma pack (pop).
1773 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1774 are defined enable HANDLE_PRAGMA_PACK.
1775 Move 'struct weak_syms' here (from varasm.c).
1776 Add pragma states for push and pop pragmas.
1778 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1781 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1782 HANDLE_GENERIC_PRAGMAS.
1784 * varasm.c: Move definition of 'struct weak_syms' into
1786 (handle_pragma_weak): Deleted.
1788 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1790 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1792 * c-decl.c (start_function): Add invocation of
1793 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1795 * tm.texi: Remove description of non-existant macro
1796 SET_DEFAULT_SECTION_NAME.
1798 (HANDLE_SYSV_PRAGMA): Document.
1799 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1801 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1803 * config.sub: Recognize i[34567]86-pc-udk as new target.
1804 * configure.in: Likewise.
1805 * config/i386/t-udk: New file.
1806 * config/i386/udk.h: New file.
1808 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1810 * reorg.c (check_annul_list_true_false): Remove unused variables.
1811 (steal_delay_list_from_target): Add missing "used_annul" variable.
1812 (try_merge_delay_insns): Close out half formed comment.
1814 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1816 * cpplib.c (macroexpand): If arg->raw_before or
1817 arg->raw_after, remove any no-reexpansion escape at the
1818 beginning of the pasted token. Correct handling of whitespace
1819 markers and no-reexpand markers at the end if arg->raw_after.
1821 * toplev.c (documented_lang_options): Recognize -include,
1822 -imacros, -iwithprefix, -iwithprefixbefore.
1823 * cpplib.c (cpp_start_read): Process -imacros and -include
1824 switches at the same time and in command-line order, after
1825 initializing the dependency-output code. Emit properly nested
1826 #line directives for them. Emit a #line for the main file
1827 before processing these switches, and don't do it again
1830 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1832 * function.c (purge_addressof_1): Use bitfield manipulation
1833 routines to handle mem mode < reg mode.
1835 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1837 * reorg.c (try_merge_delay_insns): Account for resources referenced
1838 in each instruction in INSN's delay list before trying to eliminate
1839 useless instructions. Similarly when looking at a trial insn's delay
1842 * reorg.c (check_annul_list_true_false): New function.
1843 (steal_delay_list_from_{target,fallthrough}): Call it and also
1844 refine tests for when we may annul if already filled a slot.
1845 (fill_slots_from_thread): Likewise.
1846 (delete_from_delay_slot): Return newly-created thread.
1847 (try_merge_delay_isns): Use its new return value.
1849 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1851 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1852 used to compute a giv or as some other non-counting use.
1854 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1856 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1857 * local-alloc.c (find_free_reg): Use it.
1858 * global.c (find_reg): Likewise.
1859 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1861 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1862 * caller-save.c (init_caller_save): Use it.
1863 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1865 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1867 * configure.in: Add --enable-cpplib option which uses cpplib
1868 for cpp, but doesn't link cpplib into cc1. Make help text
1869 capitalization consistent.
1870 * configure: Rebuilt.
1872 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1874 * function.c (gen_mem_addressof): If the address REG is
1875 REG_USERVAR_P make the new REG be so also.
1876 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1877 in an attempt to clarify slightly.
1879 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
1881 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
1882 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
1884 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
1886 * toplev.c: Fix last patch.
1888 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
1890 * loop.c (get_condition): Fix typo in May 9 change.
1892 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1894 * invoke.texi (-fexceptions): Merge 2 different descriptions.
1896 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1898 * toplev.c (documented_lang_options): Spelling corrections.
1900 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1902 * configure.in: new flags --with-ld and --with-as, equivalent
1903 to setting LD and AS environment variables. Test whether
1904 specified arguments are GNU commands, and report them with
1905 checking messages. Use the specified AS for configure
1908 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
1910 * gcc.c (find_a_file): when looking for `as' and `ld', return
1911 the DEFAULT program if it exists
1912 * collect2.c (main): use DEFAULT_LINKER if it exists
1914 * gcc.c (find_a_file): the test for existence of a full
1915 pathname was reversed
1917 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
1919 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
1920 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
1922 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
1924 * tree.h (TYPE_BINFO): Document.
1926 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
1928 * i386-coff.h (dbxcoff.h): Added.
1930 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
1932 * toplev.c: fix bad patch around flag_data_sections.
1934 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
1936 * reload1.c (reload): Use reload_address_index_reg_class and
1937 reload_address_base_reg_class when setting
1938 caller_save_spill_class. (Patch generated by Jim Wilson:
1941 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
1943 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
1944 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
1945 * expr.c (store_field): Add alias_set parameter. Set the
1946 MEM_ALIAS_SET accordingly, if the target is a MEM.
1947 (expand_assignment): Use it.
1948 (store_constructor_field): Pass 0.
1949 (expand_expr): Likewise.
1951 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
1953 * flags.h: Add flag_data_sections.
1954 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
1955 (compile_file): Error if flag_data_sections not supported.
1956 * varasm.c (assemble_variable): Handle flag_data_sections.
1957 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
1958 * config/mips/elf.h: Likewise.
1959 * config/mips/elf64.h: Likewise.
1960 * invoke.texi: Describe -fdata-sections.
1962 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
1964 * invoke.texi (-ffloat-store): Clarify that this option
1965 does not affect intermediate results -- only variables.
1967 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
1969 * cpp.texi: Update for Fortran usage from Craig.
1971 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1973 * rs6000.c (function_arg_boundary): Revert accidental change on
1976 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
1978 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
1979 (output_mi_thunk): Declare.
1981 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
1982 (output_function_profiler): Use r12 for temp, instead of r11 so
1983 that we preserve the static chain register.
1985 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
1987 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
1989 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1991 * sh.c (gen_shl_sext): Fix case 5.
1993 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1995 * reload1.c (reload_combine): Re-add line that got accidentally lost.
1997 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1999 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2000 accessing variables until they are initialized via va_arg().
2002 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2004 * reload1.c (reload_combine): Initialize set before using.
2006 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2008 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2011 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2013 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2014 operand3 with mask before using it. Patch provided by Jim Wilson.
2016 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2018 * config/sparc/sparc.c (function_value): Perform the equivalent of
2019 PROMOTE_MODE for ARCH64.
2020 (eligible_for_epilogue_delay): Allow DImode operations in delay
2021 slot of a return for ARCH64.
2023 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2025 * sh.md (sqrtsf2): Fix mode of sqrt.
2027 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2029 * reload1.c (choose_reload_regs): Also try inheritance when
2030 reload_in is a stack slot of a pseudo, even if we already got a
2033 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2035 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2036 (reload_cse_regs): New function body: call reload_cse_regs_1,
2037 reload_combine, reload_cse_move2add.
2038 When doing expensive_optimizations, call reload_cse_regs_1 a
2039 second time after reload_cse_move2add.
2040 (reload_combine, reload_combine_note_store): New functions.
2041 (reload_combine_note_use): New function.
2042 (reload_cse_move2add, move2add_note_store): New functions.
2044 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2046 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2047 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2049 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2050 more than 3 such reloads.
2052 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2053 RELOAD_FOR_X_ADDR_ADDR reload.
2055 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2057 * expr.c (store_constructor): When initializing a field that is smaller
2058 than a word, at the start of a word, try to widen it to a full word.
2060 * cse.c (cse_insn): When we are about to change a register,
2061 remove any invalid references to it.
2063 (remove_invalid_subreg_refs): New function.
2064 (mention_regs): Special treatment for SUBREGs.
2065 (insert_regs): Don't strip SUBREG for call to mention_regs.
2066 Check if reg_tick needs to be bumped up before that call.
2067 (lookup_as_function): Try to match known word_mode constants when
2068 looking for a norrower constant.
2069 (canon_hash): Special treatment for SUBREGs.
2071 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2073 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2074 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2075 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2076 and offsets in actual stack trampoline code so they match the
2077 commentary and actually work.
2079 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2081 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2083 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2084 tmake_file. Set extra_parts to needed crt objects.
2085 * configure: Rebuilt.
2086 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2087 (TARGET_DEFAULT): Set if default is v9 or ultra.
2088 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2089 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2090 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2091 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2092 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2093 (TARGET_VERSION): Define.
2094 (MULTILIB_DEFAULT): Define.
2095 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2096 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2097 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2099 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2100 * config/sparc/sparc.c (sparc_override_options): If arch and
2101 pointer size disagree, emit diagnostic and fix it up. If
2102 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2103 V8PLUS in 64-bit mode.
2104 * config/sparc/t-linux64: New file.
2105 * config/sparc/t-sol2-64: New file.
2106 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2107 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2108 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2109 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2110 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2111 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2113 (STARTFILE_SPEC): Set approriately based upon those.
2114 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2115 disposition of DEFAULT_ARCH32_P.
2116 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2117 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2118 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2119 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2120 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2122 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2124 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2126 * rtl.h (init_virtual_regs): New function.
2127 * emit-rtl.c (init_virtual_regs): Define.
2128 (insn_emit): Use it.
2129 * integrate.c (save_for_inline_copying): Likewise.
2131 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2133 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2134 (enum reg_class): Add NONARG_LO_REGS support.
2135 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2136 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2137 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2138 completes. Re-enable HImode REG+OFFSET addresses.
2139 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2141 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2143 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2145 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2146 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2147 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2149 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2151 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2152 jumps as a single entity, taking into account the size of the
2155 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2157 * tree.def (SWITCH_EXPR): New tree node definition.
2159 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2161 * version.c: Bump for snapshot.
2163 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2165 * version.c: Bump for snapshot.
2167 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2169 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2172 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2174 * Revert this patch.
2175 * reload.c (find_reloads): Do not replace a pseudo with
2176 (MEM (reg_equiv_addr)) in the initializing insn for the
2179 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2181 * final.c (final_scan_insn): Disable tracking CC across branches.
2183 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2185 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2186 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2187 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2188 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2189 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2191 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2193 * toplev.c (rest_of_compilation): Skip compiling anything with
2194 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2196 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2198 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2199 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2200 use in_libcall_block.
2201 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2202 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2205 Mon Sep 21 14:02:23 1998
2207 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2208 typo in no-fancy-math-387 description.
2210 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2212 * version.c: Bump for snapshot.
2214 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2216 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2218 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2220 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2221 documented in install.texi.
2222 (TARGET_OPTIONS) Likewise.
2224 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2226 * version.c: Bump for snapshot.
2228 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2230 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2231 * cccp.c (main): Likewise.
2233 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2234 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2237 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2239 * Makefile.in (LIBS): Link in libiberty.a.
2240 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2242 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2244 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2245 it to update bb boundaries. Update caller.
2246 * function.c (reposition_prologue_and_epilogue_notes): Update
2247 bb boundaries wrt the moved note.
2249 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2251 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2253 * configure: Regenerate.
2255 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2257 * alpha.c (alpha_sr_alias_set): New variable.
2258 (override_options): Set it.
2259 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2260 (mode_mask_operand): Fix signed-unsigned comparision warning.
2261 (alpha_expand_block_move): Likewise.
2262 (print_operand): Likewise.
2263 (get_aligned_mem): Use change_address.
2264 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2265 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2266 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2267 (alpha_align_insns): Remade from old alphaev5_align_insns
2268 to handle multiple processors.
2269 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2270 * output.h (label_to_alignment): Prototype.
2272 * tree.c (new_alias_set): New function.
2273 * tree.h (new_alias_set): Declare it.
2274 * c-common.c (c_get_alias_set): Use it.
2276 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2278 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2279 to an ABS expr, convert an unsigned input to signed.
2281 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2283 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2285 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2287 * configure.in: Add support for c4x targets.
2288 * configure: Rebuilt.
2290 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2292 * combine.c (distribute_notes): If an insn is a cc0 user, only
2293 delete it if we can also delete the cc0 setter.
2295 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2297 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2298 (invert_truthvalue): Enable truthvalue inversion for
2299 floating-point operands if -ffast-math.
2301 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2303 * configure.in: Disable collect2 for nextstep. Instead use
2305 * configure: Rebuilt.
2306 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2307 (ENDFILE_SPEC): Define.
2308 (OBJECT_FORMAT_MACHO): Define.
2309 (EH_FRAME_SECTION_ASM_OP): Define.
2310 * crtstuff.c: Handle MACHO.
2312 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2314 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2316 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2318 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2319 (_fpadd_parts): Get sign right for 0.
2321 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2323 * ginclude/varargs.h: Add support for C4x target.
2324 * ginclude/stdargs.h: Likewise.
2326 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2328 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2329 (alpha_emit_set_long_const): Rewrite to be callable from reload
2331 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2332 * alpha.md (movdi): Likewise.
2334 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2336 * arm.c (add_constant): New parameter address_only, change caller.
2337 Set it non-zero if taking the address of an item in the pool.
2338 (arm_reorg): Handle cases where we need the address of an item in
2341 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2343 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2344 memory addresses that are not in standard canonical form.
2346 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2348 * README.C4X: New file with information about the c4x ports.
2349 * ginclude/va-c4x.h: New file for c4x varargs support.
2350 * config/c4x: New directory with c4x port files.
2352 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2354 * reload.c (find_reloads): Do not replace a pseudo with
2355 (MEM (reg_equiv_addr)) in the initializing insn for the
2358 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2360 * toplev.c (rest_of_compilation): Set bct_p on second call to
2362 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2364 (strength_reduce): Only call analyze_loop_iterations and
2365 insert_bct if bct_p set.
2366 (check_dbra_loop): Fix typo.
2367 (insert_bct): Use word_mode instead of SImode.
2368 (instrument_loop_bct): Likewise. Do not delete iteration count
2369 condition code generation insn. Initialize iteration count before
2371 * rtl.h (loop_optimize): Update prototype.
2373 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2374 not doubleword aligned.
2376 * rs6000.c (optimization_options): New function.
2377 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2378 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2379 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2380 first; cr1 can be used for FP record condition insns.
2382 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2384 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2387 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2390 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2392 (block_move_call): New function: Call a library routine to copy a
2394 (m32r_expand_block_move): New function: Expand a "movstrsi"
2395 pattern into a sequence of insns.
2396 (m32r_output_block_move): New function: Expand a
2397 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2398 (m32r_block_immediate_operand): New function: Return true if the
2399 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2401 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2403 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2405 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2407 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2409 * regmove.c (copy_src_to_dest): Check that modes match.
2411 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2413 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2415 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2417 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2418 narrower than FLOAT_REGS.
2420 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2422 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2424 * Makefile.in (old_gxx_include_dir): removed
2426 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2428 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2431 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2432 (sh_handle_pragma): Change function arguments to match new
2433 specification for HANDLE_PRAGMA.
2435 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2437 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2439 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2440 When generating output, initialize missing struct member to zero.
2442 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2444 * regmove.c (copy_src_to_dest): Don't copy if that requires
2445 (a) new register(s).
2447 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2449 * global.c (reg_allocno): Now static.
2450 * reload1.c (reg_allocno): Delete declaration.
2451 (order_regs_for_reload): Take no arguments. Don't treat regs
2452 allocated by global differently than those allocated by local-alloc.
2454 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2456 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2457 condition, fix format strings.
2458 (output_function_epilogue): Likewise.
2460 * m68k/m68k.c: Don't include <stdlib.h> directly.
2462 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2464 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2465 mem_first_set, mem_last_set; because 0 can be a CUID.
2466 (oprs_unchanged_p): Use new definition.
2467 (record_last_reg_set_info): Likewise.
2468 (record_last_mem_set_info): Likewise.
2469 (compute_hash_table): Likewise.
2471 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2473 * rs6000.c (output_epilogue): Handle Chill.
2475 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2476 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2478 * combine.c (make_extraction): If no mode is specified for
2479 an operand of insv, extv, or extzv, default it to word_mode.
2480 (simplify_comparison): Similarly.
2481 * expmed.c (store_bit_field): Similarly.
2482 (extract_bit_field): Similarly.
2483 * function.c (fixup_var_regs_1): Similarly.
2484 * recog.c (validate_replace_rtx_1): Similarly.
2485 * mips.md (extv, extzv, insv expanders): Default modes for most
2486 operands. Handle TARGET_64BIT.
2487 (movdi_uld, movdi_usd): New patterns.
2489 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2490 equivalent memory location unless we have been provided a scratch
2491 register. Similarly do not call find_replacement unless a
2492 scratch register has been provided.
2494 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2496 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2499 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2501 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2502 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2503 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2504 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2505 * c-decl.c (init_decl_processing): Update accordingly.
2506 * expr.c (expand_builtin): Likewise.
2508 * rtl.h (global_rtl): Add cfa entry.
2509 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2510 (LAST_VIRTUAL_REGISTER): Update.
2511 * emit-rtl.c (global_rtl): Add cfa entry.
2512 (init_emit): Initialize it.
2513 * function.c (cfa_offset): New.
2514 (instantiate_virtual_regs): Initialize it.
2515 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2516 (expand_function_end): Call expand_eh_return.
2517 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2519 * except.c (current_function_eh_stub_label): Kill.
2520 (current_function_eh_old_stub_label): Likwise; update all references.
2521 (expand_builtin_set_return_addr_reg): Kill.
2522 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2523 (expand_builtin_set_eh_regs): Kill.
2524 (eh_regs): Produce a third reg for the actual handler address.
2525 (eh_return_context, eh_return_stack_adjust): New.
2526 (eh_return_handler, eh_return_stub_label): New.
2527 (init_eh_for_function): Initialize them.
2528 (expand_builtin_eh_return, expand_eh_return): New.
2529 * except.h: Update prototypes.
2530 * flow.c (find_basic_blocks_1): Update references to the stub label.
2531 * function.h (struct function): Kill stub label elements.
2533 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2534 register number is one that would be in the previous window.
2535 Provide a dummy definition for non-windowed targets.
2536 (get_reg_addr): New function.
2537 (get_reg, put_reg, copy_reg): Use it.
2538 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2539 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2541 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2542 (alpha_init_expanders): Initialize it.
2543 (alpha_expand_epilogue): Use it.
2544 * alpha.h: Declare it.
2545 * alpha.md (eh_epilogue): New.
2547 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2548 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2550 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2552 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2555 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2557 * except.h (struct eh_entry): Add false_label field.
2558 (end_catch_handler): Add prototype.
2559 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2560 (start_catch_handler): When using old style exceptions, issue
2561 runtime typematch code before continuing with the handler.
2562 (end_catch_handler): New function, generates label after handler
2563 if needed by older style exceptions.
2564 (expand_start_all_catch): No need to check for new style exceptions.
2565 (output_exception_table_entry): Only output the first handler label
2566 for old style exceptions.
2567 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2568 mechanism into one function, if a runtime matcher is provided.
2570 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2572 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2574 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2576 * integrate.c (copy_decl_list): Fix typo.
2578 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2580 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2583 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2585 * version.c: Bump for snapshot.
2587 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2589 * version.c: Bump for snapshot.
2591 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2593 * version.c: Bump for snapshot.
2595 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2597 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2599 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2601 * configure.in: remove usage of `!' to negate the result of a
2602 command; some common shells do not support it
2604 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2606 * configure.in: in sparc9-sol2 config, use 'if test' not
2608 * configure: Rebuilt.
2610 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2612 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2613 (CPP_CPU_DEFAULT_SPEC): Likewise.
2614 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2615 for arch64 libfuncs.
2617 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2620 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2622 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2624 * collect2.c: Don't declare `sys_siglist' here.
2625 (my_strsignal): Prototype and define new function. Use it in
2626 place of `sys_siglist' hacks.
2628 * mips_tfile.c: Likewise.
2630 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2631 (GCC_NEED_DECLARATIONS): Likewise.
2633 * system.h (strsignal): Prototype it, if necessary.
2634 (sys_siglist): Declare it, if necessary.
2636 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2638 * loop.c (move_movables): While removing insn sequences, preserve
2639 the next pointer of the most recently deleted insn when we skip
2642 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2644 * objc/config-lang.in: Do not output the name of the selected
2645 thread file when building the front-end. The Makefile for the
2646 runtime library will do this.
2648 * objc/Make-lang.in: Do not build the runtime library or install
2649 the Objective C header files. The Makefile for the runtime
2650 library will do this.
2652 * objc/Makefile.in (all.indirect): Only build the front-end.
2653 (compiler): Rename to `frontend'.
2654 (obj-runtime): Remove target.
2655 (copy-headers): Likewise.
2656 (clean): No need to remove `libobjc.a' any longer.
2658 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2660 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2661 supported with -mcpu=xxx.
2663 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2665 * flow.c (mark_set_1): Recognize multi-register structure return
2666 values in CALL insns.
2667 (mark_used_regs): Likewise.
2668 (count_reg_sets_1): Likewise.
2669 (count_reg_references): Likewise.
2670 * rtlanal.c (note_stores): Likewise.
2671 (reg_overlap_mentioned_p): Likewise.
2672 * haifa-sched.c (check_live_1): Likewise.
2673 (update_live_1): Likewise.
2674 (sched_analyze_1): Likewise.
2675 (sched_note_set): Likewise.
2676 (birthing_insn_p): Likewise.
2677 (attach_deaths): Likewise.
2679 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2682 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2684 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2686 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2688 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2690 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2692 * configure.in: Add check for GAS subsection -1 support.
2693 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2694 * configure config.in: Rebuilt.
2695 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2696 SImode is subsection -1 works, else use DImode.
2697 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2698 subsection -1 works.
2699 * config/sparc/sparc.c (sparc_output_addr_vec,
2700 sparc_output_addr_diff_vec): Use them if defined.
2702 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2704 * tree.h (DECL_ORIGIN): New macro.
2705 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2706 (copy_decl_list): Use it.
2707 (integrate_parm_decls): Likewise.
2708 (integrate_decl_tree): Likewise.
2709 * dwarf2out.c (decl_ultimate_origin): Simplify.
2710 * dwarfout.c (decl_ultimate_origin): Likewise.
2711 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2712 (pushdecl): Likewise.
2714 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2716 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2718 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2720 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2722 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2724 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2725 empty or has a single entry.
2727 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2728 before calling reg_to_stack.
2730 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2732 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2733 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2735 * c-tree.h (warn_long_long): Declare it.
2737 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2739 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2740 initialized float-int union if the value is a NaN.
2742 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2744 * c-lex.c (real_yylex): Don't warn about long long constants if
2745 we're allowing long long
2747 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2749 * except.h (current_function_eh_stub_label): Declare.
2750 (current_function_eh_old_stub_label): Declare.
2751 * function.h (struct function): New members eh_stub_label and
2753 * except.c (current_function_eh_stub_label): New variable.
2754 (current_function_eh_old_stub_label): New variable.
2755 (init_eh_for_function): Clear them.
2756 (save_eh_status): Save them.
2757 (restore_eh_status): Restore them.
2758 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2759 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2760 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2761 make an edge from the block that contains it to the block starting
2762 with the label if this label is one of the eh stub labels.
2763 If eh stub labels exist, show they are reachable from the last block
2766 * reload1.c (reload): Break out several subroutines and make some
2768 (calculate_needs_all_insns): New function, broken out of reload.
2769 (calculate_needs): Likewise.
2770 (find_reload_regs): Likewise.
2771 (find_group): Likewise.
2772 (find_tworeg_group): Likewise.
2773 (something_needs_reloads): New global variable, formerly in reload.
2774 (something_needs_elimination): Likewise.
2775 (caller_save_spill_class): Likewise.
2776 (caller_save_group_size): Likewise.
2777 (max_needs): Likewise.
2778 (group_size): Likewise.
2779 (max_groups): Likewise.
2780 (max_nongroups): Likewise.
2781 (group_mode): Likewise.
2782 (max_needs_insn): Likewise.
2783 (max_groups_insn): Likewise.
2784 (max_nongroups_insn): Likewise.
2785 (failure): Likewise.
2787 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2789 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2791 * loop.c (load_mems): Copy rtx for output mem.
2793 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2795 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2796 mips1 or mips2 either.
2798 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2800 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2802 (pa_adjust_insn_length): Update to work with new marking scheme
2803 for jumps inside switch tables.
2804 * pa.md (switch_jump): Remove pattern.
2805 (jump): Handle jumps inside jump tables.
2807 * Makefile.in (profile.o): Depend on insn-config.h
2809 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2811 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2813 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2815 Add preliminary native sparcv9 Solaris support.
2816 * configure.in: Recognize sparv9-*-solaris2*
2817 * configure: rebuilt
2818 * config.sub: Recognize sparcv9 just like sparc64.
2819 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2820 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2821 32-bit and 64-bit Solaris systems.
2822 * config/sparc/t-sol2: Assemble those with cpp.
2823 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2824 (*TF*_LIBCALL): If ARCH64 use V9 names.
2825 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2827 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2829 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2830 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2832 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2834 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2835 to Pmode if CASE_VECTOR_MODE is something else.
2837 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2839 * prefix.c (update_path): Correctly handle cases where PATH is
2840 a substring of the builtin prefix, but specifies a different
2843 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2845 * expr.c: Corrected comment about what MOVE_RATIO does.
2846 * config/alpha/alpha.h: Ditto.
2847 * config/1750a/1750a.h: Ditto.
2848 * config/clipper/clipper.h: Ditto.
2849 * config/i386/i386.h: Ditto.
2851 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2853 * configure.in (m68k-next-nextstep3*): Use collect2.
2854 Similarly for x86 NeXT configurations.
2855 * configure: Rebuilt.
2857 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2859 * configure.in: Don't assume srcdir is .../gcc
2860 * configure: Rebuilt.
2862 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2864 * global.c: Update comments.
2865 (global_alloc): Assign allocation-numbers
2866 even for registers allocated by local_alloc in case
2867 they are later spilled and retry_global_alloc is called.
2868 (mark_reg_store, mark_reg_clobber,
2869 mark_reg_conflicts, mark_reg_death): Always record a
2870 conflict with a pseudo register even if it has been
2871 assigned to a hard register.
2872 (dump_conflicts): Don't list pseudo registers already assigned to
2873 a hard register as needing to be allocated, but do list their
2875 * local-alloc.c: Update comment.
2877 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2879 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2880 * configure: Rebuilt.
2882 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
2884 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
2886 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
2887 for all targets that set -msoft-float.
2889 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2891 * toplev.c (print_switch_values): Make static to match prototype.
2893 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
2895 * configure.in: If we are unable to find the "gnatbind" program,
2896 then do not configure the ada subdir.
2897 * configure: Rebuilt.
2899 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
2901 * version.c: Bump for snapshot.
2903 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
2905 * version.c: Bump for snapshot.
2907 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2909 * Makefile.in (toplev.o): Depend on $(EXPR_H).
2910 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
2912 * gansidecl.h: Define ATTRIBUTE_NORETURN.
2914 * genattrtab.c: Have insn-attrtab.c include toplev.h.
2916 * genextract.c: Have insn-extract.c include toplev.h.
2918 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
2920 * toplev.c: Include expr.h.
2921 (really_sorry, fancy_abort): Remove prototypes.
2922 (set_target_switch): Add argument in prototype.
2923 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
2924 (v_really_sorry): Likewise.
2925 (print_version, print_single_switch, print_switch_values): Make
2926 static and add prototype arguments.
2927 (decl_printable_name): Add prototype arguments.
2928 (lang_expand_expr_t): New typedef.
2929 (lang_expand_expr): Declare as a lang_expand_expr_t.
2930 (incomplete_decl_finalize_hook): Add prototype argument.
2931 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
2932 (botch): Likewise for variable `s'.
2933 (rest_of_type_compilation): Mark variables `type' and `toplev'
2934 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
2935 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
2936 (display_help): Make variable `i' an `unsigned long'.
2937 (main): Remove unused parameter `envp'.
2938 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
2939 Cast -1 when comparing it with a `size_t'.
2941 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
2942 prototype with ATTRIBUTE_NORETURN.
2943 (fatal_insn_not_found, fatal_insn, really_sorry,
2944 push_float_handler, pop_float_handler): Add prototypes.
2945 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
2946 (do_abort, botch): Add prototypes.
2948 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
2950 * final.c (final): If a label is reached only from a single jump,
2951 call NOTICE_UPDATE_CC on the jump and its predecessor before
2952 emitting the insn after the label.
2954 * i386.h: Add AMD K6 support.
2955 Change TARGET_* macros to use table lookup.
2956 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
2957 (ADJUST_COST): Change definition to call function in i386.c.
2958 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
2959 * i386.c: Add AMD K6 support.
2960 Add constants for feature tests used by TARGET_* macros.
2961 (split_di): If before reload, call gen_lowpart and gen_highpart.
2962 (x86_adjust_cost): New function.
2963 (put_jump_code): New function.
2964 (print_operand): New codes 'D' and 'd'.
2965 * i386.md: New insn types. New insn attribute "memory".
2966 Redefine scheduling parameters to use new types and add AMD K6
2967 support. Explicitly set type of most insns.
2968 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
2969 Pro and K6 prefer movl $1,reg to incl reg.
2970 (adddi3, subdi3): Set cc_status.
2971 (DImode shift patterns): Change label counters from HOST_WIDE_INT
2972 to int; x86 can't have more than 2^31 DImode shifts per file.
2973 (setcc): Combine all setcc patterns. Allow writing memory.
2974 Combine all jump patterns using match_operator.
2975 (*bzero): Name pattern. Emit mutliple stos instructions when that
2976 is faster than rep stos.
2977 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
2980 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
2982 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
2985 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
2987 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
2988 not whatever we're generating now.
2990 * alpha.c (set_frame_related_p, FRP): New.
2991 (alpha_expand_prologue): Mark frame related insns.
2992 (alpha_expand_epilogue): Likewise, but with a null FRP.
2993 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
2994 * alpha.md (exception_receiver): New.
2995 * alpha/crtbegin.asm (.eh_frame): New beginning.
2996 (__do_frame_setup, __do_frame_takedown): New.
2997 * alpha/crtend.asm (.eh_frame): New ending.
2998 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
2999 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3000 (ASM_FILE_START): Don't emit .file for dwarf2.
3002 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3003 * rtl.c (reg_note_name): Likewise.
3004 * rtl.texi (REG_NOTES): Likewise.
3005 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3008 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3010 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3011 * i386.md (movsf, movdf, movxf): Validate memory address returned
3012 from force_const_mem. Kill useless REG_EQUAL setting code.
3014 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3016 * m68k.md (zero_extendsidi2): Fix typo.
3018 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3020 * configure.in: Removed references to the removed file
3021 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3022 * arm*-*-netbsd* and ns32k-*-netbsd*.
3023 * config/i386/xm-netbsd.h: Removed unnecessary file.
3024 * config/m68k/xm-netbsd.h: Likewise.
3025 * config/sparc/xm-netbsd.h: Likewise.
3026 * config/mips/xm-netbsd.h: Likewise.
3028 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3030 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3031 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3033 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3034 for exact section attributions.
3036 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3038 * i386/crtdll.h (CPP_PREDEFINES): Define.
3040 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3042 * m68k.md (5200 movqi): Do not allow byte sized memory references
3044 * m68k.c (output_move_qimode): Do not use byte sized operations on
3047 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3048 explicit rules for building. Similarly for alloca, vfprintf,
3049 choose-temp and mkstemp, getopt, getopt1, and obstack.
3050 (INCLUDES): Add $(srcdir)/../include.
3051 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3052 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3054 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3056 * gcc.c (do_spec_1): [case 'o'] Account for
3057 lang_specific_extra_outfiles.
3058 (main): Correctly clear all slots in outfiles for
3059 lang_specific_extra_outfiles. Set input_file_number before
3060 calling lang_specific_pre_link.
3062 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3064 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3066 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3068 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3070 (sparc_output_deferred_case_vectors): If no work to do, return.
3071 Fix thinko in Sept 1 change.
3073 1998-09-03 SL Baur <steve@altair.xemacs.org>
3075 * Makefile.in: add semicolon in BISON definition for portability.
3077 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3079 * config/nextstep.c (handle_pragma): Correct name of third
3082 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3084 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3085 * config/m32r/m32r.h: Make register 17 be fixed.
3086 * config/m32r/m32r.c: Use SImode for cc operations.
3088 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3090 * invoke.texi (Warning Options): Add -Wnon-template-friend
3093 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3095 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3097 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3099 * rs6000.md (movsf): Disable explicit secondary-reload-like
3100 functionality if TARGET_POWERPC64.
3101 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3104 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3106 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3107 and term.h from fixinc.wrap.
3109 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3111 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3112 safe to include both string.h and strings.h together.
3113 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3114 which headers to search for function declarations. Continue to
3115 prefer string.h over strings.h when both are not acceptable.
3117 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3119 * configure.in: Call GCC_HEADER_STRING.
3121 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3122 to include. Continue to prefer string.h over strings.h when both
3125 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3127 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3128 not assume top 32-bits of symbolic addresses are zero if
3131 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3133 * ginclude/va-alpha.h: Protect entire second portion of the
3134 file against double inclusion.
3136 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3138 Added support for the Boehm's garbage collector.
3139 * configure.in: Handle --enable-objc-gc.
3140 * configure: Rebuilt.
3141 * Makefile.in (CHECK_TARGETS): Add check-objc.
3142 (check-objc): New rule.
3143 * objc/Make-lang.in: Build a different Objective-C library that
3144 runs with the Boehm's collector.
3145 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3146 * objc/encoding.c: Correctly compute the size of compound types in
3147 the presence of bitfields. Skip the variable name of the type if
3148 any. Added support for long long.
3149 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3150 (_F_GCINVISIBLE): New mask.
3151 * objc/gc.c: New file. Compute the type memory mask associated with
3152 a class based on the runtime information.
3153 * objc/misc.c: Added the hooks that use the Boehm's collector
3154 allocation functions.
3155 * objc/objc-act.c (build_class_template): Generate a new class
3156 member (gc_object_type) to hold the class' type memory mask.
3157 (build_shared_structure_initializer): Initialize the new member to
3159 (encode_complete_bitfield): New function. Generate the new
3161 (encode_field_decl): Generate the new encoding only for the GNU
3163 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3165 (class_get_gc_object_type): New function to mark a pointer instance
3166 variable as a weak pointer.
3167 * objc/objc-features.texi: New file.
3168 * objc/objc.h (gc_object_type): New class member.
3169 * objc/objects.c (class_create_instance): Create a typed memory
3170 object when compiled with Boehm's collector support.
3171 * objc/sendmsg.c (__objc_init_install_dtable): Call
3172 __objc_send_initialize instead of setting the initialize flag.
3173 (__objc_send_initialize): Call __objc_generate_gc_type_description
3174 to generate the class type memory mask. Rewrite the code that
3175 sends the +initialize so that it is called only once (bug report
3176 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3177 * testsuite/objc: New testsuite for Objective-C type encoding.
3178 * testsuite/lib/objc-torture.exp: New file.
3179 * testsuite/lib/objc.exp: New file.
3181 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3183 * jump.c (jump_optimize): In if/then/else transformations, add
3184 another call to modified_between_p for the jump insn.
3186 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3188 * fix-header.c (symlink): Treat like readlink.
3190 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3192 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3195 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3197 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3198 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3199 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3201 * config/nextstep.c (handle_pragma): Take three arguments, as per
3202 the new HANDLE_PRAGMA macro specification.
3203 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3204 per the new HANDLE_PRAGMA macro specification.
3205 * config/i960/i960.c (process_pragma): Take three arguments, as
3206 per the new HANDLE_PRAGMA macro specification.
3208 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3210 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3211 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3212 if unknown pragmas are encountered.
3213 (handle_sysv_pragma): Interpret return code from
3214 handle_pragma_token (). Return success/failure indication rather
3215 than next unprocessed character.
3216 (pragma_getc): New function: retrieves characters from the
3217 input stream. Defined when HANDLE_PRAGMA is enabled.
3218 (pragma_ungetc): New function: replaces characters back into the
3219 input stream. Defined when HANDLE_PRAGMA is enabled.
3221 * c-pragma.c (handle_pragma_token): Return success/failure status
3224 * c-pragma.h: Change prototype of handle_pragma_token().
3226 * varasm.c: (handle_pragma_weak): Only create this function if
3227 HANDLE_PRAGMA_WEAK is defined.
3229 * c-common,c (decl_attributes): If defined call the expression
3230 contained within the INSERT_ATTRIBUTES macro before adding
3231 attributes to a decl.
3233 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3234 HANDLE_PRAGMA, which takes three arguments.
3235 (INSERT_ATTRIBUTES): Document this new macro.
3237 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3238 new INSERT_ATTRIBUTES macro.
3240 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3242 * config/sparc/sparc.md (movdf): Only generate special RTL for
3243 LABEL_REFs when PIC.
3244 (move_label_di): Remove
3245 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3246 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3247 references when PIC.
3248 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3249 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3250 output an .xword for all 64-bit cases.
3252 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3254 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3255 alignment, use FUNCTION_BOUNDARY instead.
3256 (sparc_output_deferred_case_vectors): Likewise.
3258 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3260 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3261 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3263 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3265 * alpha/va_list.h: New file.
3266 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3268 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3270 * NEWS: Add SCO Openserver and Unixware 7 notes.
3274 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3276 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3277 (record_constant_1): Handle RANGE_EXPR.
3279 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3281 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3282 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3283 and NOTE_INSN_RANGE_END specially.
3284 (reemit_notes): Likewise.
3286 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3288 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3289 (ultrasparc_sched_init): Remove unneeded &.
3291 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3293 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3294 for m68020-60, to prevent the use of fintrz.
3296 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3298 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3300 * Makefile.in: Likewise.
3301 * configure: Regenerated.
3303 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3305 * configure.in (gxx_include_dir): Changed to
3306 '${prefix}/include/g++'-${libstdcxx_interface}.
3307 * configure: Rebuilt.
3309 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3311 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3313 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3314 *sequences* *below* which scalar moves will be used.
3316 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3318 * collect2.c (mktemp): Delete unused declaration.
3320 * config/xm-netbsd.h: Remove unnecessary file.
3321 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3322 file anymore, it is not needed.
3324 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3326 * convert.c (convert_to_integer): Issue an error on conversions to
3329 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3331 * Makefile.in: Add lang_tree_files and gencheck.h.
3332 * configure.in: Generate them.
3333 * gencheck.c: Include gencheck.h.
3335 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3337 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3338 movdi_lo_sum_pic and movdi_high_pic and make visible.
3339 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3340 emit these when Pmode is not SImode.
3341 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3343 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3345 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3346 .linkonce directive after the first time.
3348 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3350 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3351 the clobbered operand overlaps with an input.
3352 (bne0_di): Similarly.
3354 * Makefile.in (INSTALL): Remove "--no-header" argument.
3356 * NEWS: Various updates.
3358 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3360 * config/sparc/sparc.c (arith_operand, const64_operand,
3361 const64_high_operand, arith_double_4096_operand): Mark mode as
3363 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3365 (sparc_emit_set_const64): Remove unused variable i.
3366 (sparc_splitdi_legitimate): Likewise for addr_part.
3367 (ultra_code_from_mask): Likewise for mask.
3368 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3369 reverse return values so it matches usage and comments.
3370 (ultra_flush_pipeline): Likewise.
3371 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3372 this_type, and allow loads and stores of differing FP modes as
3373 they do not create a conflict.
3374 (ultra_find_type): Initialize fpmode to SFmode, fix
3375 parenthesization thinkos in large conditional.
3376 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3377 Init free_slot_mask after ultra_cur_hist is reset, not before.
3378 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3379 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3380 use ultra_flush_pipeline instead, then re-init group pointer.
3381 Fix statement with no effect. If no progress made in, and no
3382 instructions scheduled at all, advance to new pipeline cycle else
3383 we get into an endless loop.
3384 (ultrasparc_adjust_cost): Remove previous arg.
3385 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3387 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3389 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3390 code. Use reg_overlap_mentioned_p to detect when source and
3391 destination overlap.
3392 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3394 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3396 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3397 COMPARISON_VAL, into invariant_p.
3399 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3401 * regmove.c (regclass_compatible_p): New function.
3402 (regmove_optimize): Use it.
3404 Use NREGS parameter insted of calling max_reg_num.
3406 (fixup_match_1): Don't use code = MINUS when later tieing with
3407 a hard register is likely.
3409 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3411 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3412 COMPARISON_VAL was normalized.
3414 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3416 * loop.c (check_dbra_loop): The loop ending comparison value
3417 must be an invariant or we can not reverse the loop.
3419 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3420 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3422 (load_mems_and_recount_loop_regs_set): Likewise.
3424 * i386.c (print_operand): Remove obsolete 'c' docs.
3426 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3428 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3429 * frame.c (init_object_mutex): New function.
3430 (init_object_mutex_once): Likewise.
3431 (find_fde): Call it.
3432 (__register_frame_info): Likewise.
3433 (__register_frame_info_table): Likewise.
3434 (__deregister_frame_info): Likewise.
3436 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3438 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3440 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3442 * loop.c (check_dbra_loop): Enable code for reversal
3443 of some loops without a known constant loop end.
3445 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3447 * haifa-sched.c (last_clock_var): New.
3448 (schedule_block): Initialize it.
3449 (schedule_insn): Use it to fill insn modes with issue information.
3451 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3452 Tag trapb and next insn with TImode.
3453 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3454 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3455 Invoke alphaev5_align_insns as appropriate.
3456 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3457 (MD_SCHED_VARIABLE_ISSUE): New.
3458 * alpha.md (attr type): Add multi.
3459 (define_asm_attributes): New.
3460 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3461 (arg_home): Likewise.
3462 (fnop, unop, realign): New.
3464 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3466 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3467 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3469 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3470 (rs6000-ibm-aix4.[12]*): Likewise.
3471 * configure: Regnerate.
3473 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3475 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3476 already contains the return address.
3478 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3480 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3481 word sized hunks when loading unaligned args into registers.
3483 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3484 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3486 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3488 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3490 * loop.c (check_dbra_loop): Add some code that would allow reversal
3491 of some loops without a known constant loop end if it were enabled.
3493 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3495 * mips.md (lshrsi3_internal2+2): Fix type-o.
3497 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3499 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3500 correctly with regards to stdio.h.
3502 * calls.c: Remove stdarg.h/varargs.h.
3505 * combine.c: Likewise.
3506 * cpperror.c: Likewise.
3507 * cpplib.c: Likewise.
3508 * cpplib.h: Likewise.
3509 * doprint.c: Likewise.
3510 * emit-rtl.c: Likewise.
3511 * final.c: Likewise.
3512 * fix-header.c: Likewise.
3514 * genattr.c: Likewise.
3515 * genattrtab.c: Likewise.
3516 * gencodes.c: Likewise.
3517 * genconfig.c: Likewise.
3518 * genemit.c: Likewise.
3519 * genextract.c: Likewise.
3520 * genflags.c: Likewise.
3521 * genopinit.c: Likewise.
3522 * genoutput.c: Likewise.
3523 * genpeep.c: Likewise.
3524 * genrecog.c: Likewise.
3525 * mips-tfile.c: Likewise.
3526 * prefix.c: Likewise.
3527 * protoize.c: Likewise.
3528 * regmove.c: Likewise.
3529 * toplev.c: Likewise.
3532 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3534 * config/sparc/sparc.c (sparc_override_options): If not
3535 TARGET_FPU, turn off TARGET_VIS.
3536 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3537 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3538 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3539 (movdi_insn_sp64): Add VIS fzero alternative.
3540 (clear_sf, clear_df): New VIS patterns.
3541 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3543 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3545 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3547 * loop.c (n_times_set, n_times_used, may_not_optimize,
3548 reg_single_usage): Convert to varrays. All uses changed.
3549 (insert_loop_mem): Return a value.
3550 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3551 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3554 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3557 * configure.in: Do not set thread_file to "irix" since no such
3560 * sparc.md (float abs/neg splits): Check reload_completed before
3561 calling alter_subreg.
3563 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3565 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3567 * config/sparc/sparc.h: Declare it.
3568 * config/sparc/sparc.md (float abs/neg splits): Use it.
3569 (all other splits): Handle SUBREGs properly where necessary.
3570 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3572 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3574 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3575 an insn on the unfilled_slots_list that has no delay slots.
3576 (fill_eager_delay_slots): Similarly.
3578 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3580 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3581 as an ordinary operand.
3583 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3585 * tree.c (valid_machine_attribute): Don't apply attributes to both
3588 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3590 * reload.c (operands_match_p): Handle rtvecs.
3592 * i386.c (legitimate_pic_address_disp_p): New.
3593 (legitimate_address_p): Use it.
3594 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3595 Handle constant pool symbols just like statics.
3596 (emit_pic_move): Use Pmode not SImode for clarity.
3597 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3598 [UNSPEC]: New, handling what we killed above.
3599 [PLUS]: Detect and abort on invalid symbol arithmetic.
3600 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3602 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3604 * alias.c: Include output.h.
3605 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3606 different if we're in a varargs function.
3607 * Makefile.in (alias.o): Depend on output.h
3609 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3611 * sh.h (GIV_SORT_CRITERION): Delete.
3613 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3615 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3616 * stupid.c (stupid_life_analysis): Ditto.
3617 * reload1.c (reload): Ditto.
3619 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3621 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3622 arith_double_4096_operand, arith_double_add_operand): New
3624 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3625 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3626 them to transform add/sub 4096 into add/sub -4096.
3628 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3630 * loop.c (scan_loop): Allocate some slop to handle pseudos
3631 generated by move_movables.
3632 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3635 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3637 * tree.def (DECL_RESULT): Correct documentation.
3639 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3641 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3642 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3643 conflicts will all RELOAD_FOR_OUTPUT reloads.
3645 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3646 loads the function result, substitute with a USE.
3648 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3650 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3651 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3652 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3653 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3654 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3655 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3657 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3658 'o' to 'm' for GPR variant constraints.
3660 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3662 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3664 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3666 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3667 when the source and destination overlap.
3669 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3670 clash with global type.
3672 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3674 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3676 * c-common.c (combine_strings): Also set TREE_READONLY.
3677 Change warn_write_strings to flag_const_strings.
3678 * c-decl.c, c-tree.h: Likewise.
3680 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3682 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3683 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3684 sequence, use SET/IOR instead so CSE can see it.
3685 * config/sparc/sparc.md (movhi_const64_special,
3686 movsi_const64_special): New patterns necessitated by that change.
3687 (movhi_high): Remove.
3688 (movhi_lo_sum): Change to match an IOR.
3689 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3690 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3691 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3692 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3693 registers are involved.
3694 (snesi_zero_extend split): Remove reload_completed test.
3695 (unnamed plus and minus zero_extend sidi splits): Add it.
3697 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3699 * extend.texi: Remove description of extension to explicit
3700 instantiation that is now endorsed by standard C++.
3702 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3704 * config/arc/arc.c (arc_initialize_pic): Remove.
3705 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3706 nothing on any platform and is invoked by no-one, it does not even
3707 appear in the documentation.
3708 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3709 * config/sparc/sparc.c (initialize_pic): Likewise.
3710 (find_addr_reg): Remove this as well, no longer referenced after
3713 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3715 * recog.c (validate_replace_rtx_group): New function.
3716 * recog.h (validate_replace_rtx_group): Declare it.
3717 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3718 the entire group of substitutions.
3720 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3722 * loop.c (load_mems): Fix initializers.
3724 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3726 * config/sparc/sparc.md (TFmode splits): Handle destination
3727 registers being referenced in the address correctly.
3729 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3730 TREE_UNSIGNED, when bitsize of type's mode is larger than
3731 HOST_BITS_PER_WIDE_INT.
3733 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3735 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3736 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3737 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3739 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3742 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3744 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3745 * h8300.h (TINY_DATA_NAME_P): Likewise.
3746 (STRIP_NAME_ENCODING): Handle '&'.
3748 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3749 register (it could be accessed via an outer SUBREG).
3750 (REG_OK_FOR_BASE_P): Likewwise.
3751 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3753 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3756 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3758 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3760 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3761 must be offsettable so the splits can be made.
3763 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3765 * config/i386/winnt.c: Include system.h, not stdio.h to get
3766 sys/param.h pulled in before rtl.h in case the system defines MIN
3769 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3771 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3773 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3775 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3777 * cpplib.c (cpp_define): Handle macros with parameters.
3779 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3781 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3782 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3783 and DImode 64-bit. Use llong for minimal-toc SFmode and
3784 SYMBOL_REF / LABEL_REF 64-bit.
3785 (output_function_profiler): Use llong for profiler label and ld to
3786 load 64-bit label address.
3788 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3790 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3793 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3795 * version.c: Bump for snapshot.
3797 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3799 * version.c: Bump for snapshot.
3801 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3803 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3805 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3807 * tm.texi (Misc): Fix typo "teh".
3809 * tm.texi (PIC): Fix typo "PPIC".
3811 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3812 effect when -O2 and higher.
3813 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3815 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3817 * regclass.c: Changed register set documentation to be consistent
3820 * final.c (final_start_function) Removed redundant test for
3823 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3825 * rtl.h (rtx_function): New type.
3826 (for_each_rtx): New function.
3827 * rtlanal.c (for_each_rtx): Define it.
3829 * recog.c (change_t): New type.
3830 (change_objects, change_old_codes, change_locs, change_olds):
3832 (changes): New variable.
3833 (validate_change): Dynamically allocate room for more changes, if
3834 necessary. Uses changes array instead of change_objects, etc.
3835 (apply_change_group): Use changes array instead of
3836 change_objects, etc.
3838 * loop.c (loop_mem_info): New type.
3839 (loop_mems): New variable.
3840 (loop_mems_idx): Likewise.
3841 (looop_mems_allocated): Likewise.
3842 (scan_loop): Remove nregs parameter.
3843 (next_insn_in_loop): New function.
3844 (load_mems_and_recount_loop_regs_set): Likewise.
3845 (load_mems): Likewise.
3846 (insert_loop_mem): Likewise.
3847 (replace_loop_mem): Likewise.
3848 (replace_label): Likewise.
3849 (INSN_IN_RANGE_P): New macro.
3850 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3851 (scan_loop): Remove nregs parameter, compute it after any new
3852 registers are created by load_mems. Use INSN_IN_RANGE_P and
3853 next_insn_in_loop rather than expanding them inline. Call
3854 load_mems to load memory into pseudos, if appropriate.
3855 (prescan_loop): Figure out whether or not there are jumps from the
3856 loop to targets other than the label immediately following the
3857 loop. Call insert_loop_mem to notice all the MEMs used in the
3858 loop, if it could be safe to pull MEMs into REGs for the duration
3860 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3862 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3864 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3866 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3868 * config/sparc/sparc.c (finalize_pic): Check for the correct
3869 nonlocal_goto_receiver UNSPEC number.
3870 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3871 making note of this dependency existing in sparc.c
3872 (negtf2_notv9 split): Give NEG SFmode.
3873 (negsf2): Fix insn output string.
3875 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3877 * c-common.c (decl_attributes): Issue an error if the argument
3878 to alias is not a string.
3880 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
3882 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
3883 pending memory flush list.
3885 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
3887 (try_combine): Allow combining insns with REG_LIBCALL notes.
3889 * expr.c (emit_block_move): Do not call memcpy as a libcall
3890 instead build up a CALL_EXPR and call it like any other
3892 (clear_storage): Similarly for memset.
3894 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
3897 * Makefile.in (cplus-dem.o): Provide explicit rules for building
3900 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
3901 and REG_LIVE_LENGTH as successful substitutions are made.
3903 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3905 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
3906 statement after end of loop label.
3908 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3910 * config/sparc/sparc.c (ultra_types_avail): New variable.
3911 (ultra_build_types_avail): New function to record mask of insn
3912 types in ready list at this cycle.
3913 (ultrasparc_sched_reorder): Call it.
3914 (ultra_find_type): Use it to quicken the search. Also simplif
3915 dependency check, don't use rtx_equal_p because we know exactly
3916 what we are looking for.
3918 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
3920 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
3921 for architecture v4.
3923 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3925 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
3927 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
3928 movdf_const_intreg and helper splits): New patterns to move float
3929 constants into integer registers.
3930 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
3933 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
3936 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
3938 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
3940 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
3941 a BASE_REGS register is needed as an intermediate when copying
3942 a symbolic value into any register class other than BASE_REGS.
3944 * expr.c (move_by_pieces): No longer static. Remove prototype.
3945 * rtl.h (move_by_pieces): Add extern prototype.
3946 * mips.c (expand_block_move): Handle aligned straight line copy by
3947 calling move_by_pieces.
3949 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
3952 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
3954 * stmt.c (expand_end_loop): Tidy. Allow unconditional
3955 jumps out of the loop to be treated as part of the exit test.
3957 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3958 Jeff Law <law@cygnus.com>
3960 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
3961 * cplus-dem.c: Delete.
3963 * Makefile.in (fold-const.o): depend on $(RTL_H).
3965 * fold-const.c: Include rtl.h to get the prototype for
3966 `set_identifier_local_value'.
3968 * loop.c (express_from_1): Remove unused variable `tmp'.
3969 (combine_givs): cast the first argument of bzero to char *.
3971 * toplev.c (display_help): Remove unused variable `looking_for_start'.
3973 * c-decl.c (init_decl_processing): Remove unneeded &.
3975 * alpha.h (alpha_initialize_trampoline): Provide prototype.
3977 * except.c (set_exception_lang_code, set_exception_version_code):
3978 Change parameter from `short' to `int' to avoid using a gcc
3981 * except.h (set_exception_lang_code, set_exception_version_code):
3982 Likewise for prototypes.
3984 * flow.c (count_reg_references): Remove unused variables `regno'
3987 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
3989 * prefix.c (translate_name): Cast the result of `alloca'.
3991 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
3993 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3995 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
3997 (valid_dbcc_comparison_p): Mark mode argument as unused.
3998 (symbolic_operand): Likewise.
3999 (legitimize_pic_address): Likewise.
4000 (const_uint32_operand): Likewise.
4001 (const_sint32_operand): Likewise.
4002 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4003 schedule_insns and comment out rest of file.
4005 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4007 (output_move_[hq]imode): Likewise.
4009 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4011 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4012 * invoke.texi: Corresponding changes.
4014 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4016 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4018 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4020 * config/sparc/sparc.c (ultra_code_from_mask,
4021 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4022 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4023 ultrasparc_sched_init, ultrasparc_variable_issue,
4024 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4025 functions to describe UltraSPARC pipeline exactly to Haifa.
4026 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4027 as there is nothing the scheduler can do about it. Indicate that
4028 REG_DEP_OUTPUT's collide. Fixup formatting.
4029 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4030 divide costs on Ultra for DImode.
4031 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4033 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4034 ieuN and add call_no_delay_slot to type list.
4035 (cti function unit): New unit for branches on UltraSPARC.
4036 (subx/addx insns): Set type to misc.
4037 (sidi zero/sign extension insns on arch64): Set type to shift.
4038 (sign_extendhidi2_insn): Set type to sload.
4040 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4042 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4043 (output_epilog): Use if != 0 for offset.
4044 (rs6000_fatal_bad_address): Prepare for Intl.
4045 * rs6000.h (rs6000_fatal_bad_address): Declare.
4046 * rs6000.md (movsfcc, movdfcc): Use else if.
4047 (elf_high): Use {liu|lis}.
4048 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4049 (movsi): Use rs6000_fatal_bad_address.
4051 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4053 * reload.c (find_equiv_reg): Reject equivalences separated
4054 by a volatile instruction.
4056 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4058 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4060 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4062 * alpha.md (movsicc): Fix mode mismatch.
4064 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4066 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4068 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4070 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4072 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4073 write-only modifier from operand 1 constraint.
4075 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4077 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4078 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4080 (sparc_emit_set_const64): Likewise, also when computing trailing
4081 bits do not negate low_bits and make fast_int an int.
4083 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4085 * loop.c (add_label_notes): Do not ignore references to labels
4086 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4087 * gcse.c (add_label_notes): Similarly.
4089 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4091 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4092 (adddi_dishl32): Similarly.
4094 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4096 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4097 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4098 * cse.c (cse_basic_block): Add parens to shut up warnings.
4100 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4102 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4103 sparc_emit_set_const64_longway, const64_is_2insns,
4104 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4105 in 64-bit constant formation.
4106 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4107 rtl for addx not subx.
4108 (define_insn movdi_const64_special): Make available even when
4109 HOST_BITS_PER_WIDE_INT is not 64.
4110 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4111 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4112 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4113 instances of operand 1 inside a QI subreg.
4114 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4115 (one_cmpldi2_sp64): Fix output string.
4116 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4118 (unnamed arch64 ashift DI): Truncate shift count if greater than
4121 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4123 * expr.c (store_expr): Don't optimize away load-store pair
4124 when either source or destination have a side effect.
4126 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4128 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4129 operands of SET are incompatible.
4131 * alpha.md: Fix max and min patterns so modes of SET operands match.
4133 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4135 * configure.in: Avoid [[ by using test and changequote.
4136 * configure: Rebuild.
4138 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4140 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4142 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4143 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4144 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4145 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4146 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4147 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4148 Fix mismatching modes in SET operands.
4149 (conditional move patterns): Fix formatting.
4150 (unnamed subx arch64 pattern): Remove duplicate insn.
4152 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4154 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4155 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4156 (input_operand): Fixup test for what we accept for constant
4158 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4160 (safe_constDI): Remove.
4161 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4162 gen_safe_XOR64): New functions.
4163 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4164 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4166 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4167 available when HOST_BITS_PER_WIDE_INT is not 64.
4168 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4169 move before movdi_insn_sp64 pattern.
4170 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4171 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4172 symbolic_operand as predicate for second operand.
4173 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4174 expander): Give set VOIDmode.
4176 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4178 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4180 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4182 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4184 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4186 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4188 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4190 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4192 * install.texi: Various SCO OpenServer tweaks.
4194 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4196 * reload1.c (eliminate_regs_in_insn): Handle another case when
4197 eliminating the frame pointer to the hard frame pointer. Add
4198 missing ep->to_rtx check to one existing case.
4200 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4202 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4204 * tree.h: De-conditionalize init_priority code.
4206 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4207 * collect2.c (NM_FLAGS): Change from -p to -n.
4209 * configure.in: Turn on collect2 for mipstx39-elf.
4210 Handle use_collect2=no properly.
4212 * c-common.c: De-conditionalize init_priority code.
4213 * collect2.c (extract_init_priority, sort_ids): New fns.
4214 (main): Call sort_ids.
4215 Move sequence_number to file scope.
4217 * configure.in: Handle --enable-init-priority.
4218 * c-common.c (attrs): Add A_INIT_PRIORITY.
4219 (init_attributes, decl_attributes): Likewise.
4220 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4221 * tree.c (get_file_function_name_long): Split out...
4222 (get_file_function_name): ...from here.
4224 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4226 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4229 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4231 * toplev.c (display_help): Add braces to shut up warnings.
4232 * tree.c (simple_cst_equal): Likewise.
4234 * fold-const.c (non_lvalue): Don't deal with null pointer
4236 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4238 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4239 of any size to a pointer.
4241 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4243 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4245 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4247 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4248 which will be saved.
4249 * mn10300.md (prologue insn): Only save registers which need saving.
4250 (epilogue insn): Similarly.
4252 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4255 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4257 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4258 VAR_DECL's in gp addressable sections.
4260 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4262 * sparc.c: Change return <exp> to <exp>; return; in functions
4264 * sparc.md: Add empty semicolon statement after final label in
4267 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4269 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4270 addx_extend_sp64, only allow when TARGET_ARCH64.
4271 (define_insn addx_extend_sp32 and split): Version that works when
4273 (define_insn subx_extend): Likewise.
4274 (define_split adddi3 and subdi3 with zero extension): Fixup and
4275 correct bugs when not TARGET_ARCH64.
4277 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4279 * except.c (set_exception_lang_code, set_exception_version_code):
4280 Use prototype-style definition if __STDC__, to match declaration
4283 * genemit.c: Change FAIL and DONE macros not to use loops.
4285 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4287 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4288 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4290 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4292 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4294 * README.g77: Update from Craig.
4296 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4298 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4300 (safe_constDI sparc_emit_set_const64_quick1,
4301 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4302 analyze_64bit_constant, const64_is_2insns,
4303 create_simple_focus_bits): Fix some bugs when compiled on real
4305 (function_arg_record_value_3, function_arg_record_value_2,
4306 function_arg_record_value): Add fully prototyped forward decls.
4307 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4308 to cmpsi_insn and use on both 64 and 32 bit targets.
4309 (define_insn cmpsi_insn_sp64): Remove.
4310 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4311 (define_insn zero_extendsidi2_insn): Rename to
4312 zero_extendsidi2_insn_sp64.
4313 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4314 assosciated forced split for it.
4316 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4318 * config/sparc/sparc.h: Declare them.
4319 (PREDICATE_CODES): Add them.
4320 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4321 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4323 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4325 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4326 in v9 case as the latter makes the Solaris assembler crash.
4328 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4330 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4331 for TFmode when !v9. We require offsettable memory addresses.
4332 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4333 DFmode register number conversions.
4334 * config/sparc/sparc.md (define_split DFmode moves): If register
4335 is a SUBREG do alter_subreg on it before using.
4336 (define_expand movtf): Fixup comment about alignment on v9.
4337 (define_split TFmode moves): Don't use gen_{high,low}part, create
4338 explicit SUBREGs instead.
4340 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4342 * Makefile.in (mbchar.o): Depend on mbchar.c.
4344 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4345 Richard Henderson <rth@cygnus.com>
4347 Rewrite Sparc backend for better code generation and
4348 improved sparc64 support.
4349 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4351 * config/sparc/sysv4.h: Likewise.
4352 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4353 move_operand, v8plus_regcmp_op, emit_move_sequence,
4354 singlemove_string, doublemove_string, mem_aligned_8,
4355 output_move_double, output_move_quad, output_fp_move_double,
4356 move_quad_direction, output_fp_move_quad, output_scc_insn):
4358 (small_int_or_double): New predicate.
4359 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4360 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4361 old pic_{sethi,lo_sum}_si patterns.
4362 (mem_min_alignment): New generic function to replace
4363 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4364 available and can test for arbitrary alignments. All callers
4366 (save_regs, restore_regs, build_big_number,
4367 output_function_prologue, output_cbranch, output_return,
4368 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4369 sparc_flat_output_function_epilogue): Prettify
4371 (output_function_epilogue): Likewise and add code to output
4372 deferred case vectors.
4373 (output_v9branch): Likewise, add new arg INSN and use it to tack
4374 on branch prediction settings. All callers changed.
4375 (print_operand): Likewise and output %l44 for LO_SUMs when
4377 (sparc_splitdi_legitimate): New function to make sure DImode
4378 splits can be run properly when !arch64.
4379 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4380 Reformat example code in comments.
4381 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4382 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4383 of deferred case vectors we need to output.
4384 (sparc_defer_case_vector): Record a case vector.
4385 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4386 sparc_output_deferred_case_vectors): New functions to output them.
4387 (sparc_emit_set_const32): New function to form 32-bit constants in
4388 registers when that requires more than one instruction.
4389 (safe_constDI, sparc_emit_set_const64_quick1,
4390 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4391 analyze_64bit_constant, const64_is_2insns,
4392 create_simple_focus_bits, sparc_emit_set_const64): New functions
4393 which do the same for 64-bit constants when arch64.
4394 (sparc_emit_set_symbolic_const64): New function to emit address
4395 loading for all code models on v9.
4396 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4397 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4398 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4399 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4400 inaccuracies in comments, add symbolic and text_segment operands
4401 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4402 GENERAL_REGS in these cases as a temp REG is needed to load these
4403 addresses into a register properly.
4404 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4406 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4407 quads are guarenteed to have 16-byte alignment.
4408 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4409 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4410 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4411 deferred case vector implementation.
4412 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4413 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4414 Generate "internal label - label" instead of "label - 1b".
4415 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4416 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4417 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4419 (doublemove_string, output_block_move, output_fp_move_double,
4420 output_fp_move_quad, output_move_double, output_move_quad,
4421 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4422 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4423 (sparc_emit_set_const32, sparc_emit_set_const64,
4424 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4425 mem_min_alignment, small_int_or_double): Add externs.
4426 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4427 UNSPEC_VOLATILE in this backend.
4428 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4429 unary to types which execute in it.
4430 (define_function_unit ieu_shift): Rename to ieu0.
4431 (define_function_unit ieu1): New, executes compare, call, and
4432 uncond_branch type insns.
4433 (define_function_units for type fdivs, fdivd, fsqrt): These
4434 execute in the fpu multiply unit not the adder on UltraSparc.
4435 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4436 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4437 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4438 allows the arith_double_operand predicate and rHI constraint when
4440 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4441 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4442 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4443 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4444 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4445 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4446 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4447 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4448 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4449 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4450 sign_extendqihi2_insn, sign_extendqisi2_insn,
4451 sign_extendqidi2_insn, sign_extendhidi2_insn,
4452 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4453 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4454 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4455 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4456 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4457 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4458 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4459 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4460 smulsi3_highpart_v8plus, unnamed subreg mult,
4461 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4462 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4463 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4464 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4465 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4466 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4467 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4468 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4469 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4470 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4471 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4472 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4473 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4474 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4475 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4476 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4477 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4478 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4479 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4480 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4481 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4482 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4483 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4484 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4485 call_address_untyped_struct_value_sp32,
4486 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4487 call_value_symbolic_sp32, call_value_address_sp64,
4488 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4489 flush_register_windows, goto_handler_and_restore,
4490 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4491 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4492 return_addsi, return_di, return_adddi, return_sf, all call+jump
4493 peepholes, trap, unnamed trap insns): Prettify output strings.
4494 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4495 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4496 Likewise and force + implement splits for integer cases.
4497 (define_insn return_sf_no_fpu): Likewise and allow to match when
4498 no-fpu because of our subreg SFmode splits.
4499 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4500 zero_extendqidi2_insn, zero_extendhidi2_insn,
4501 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4502 input_operand for second operand.
4503 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4504 reg_or_0_operand for operand 2 so new splits can use it.
4505 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4506 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4508 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4509 CONST_DOUBLEs for operand 2.
4510 (define_insn move_label_di): Likewise and label distance
4511 optimization because it no longer works with new deferred case
4512 vector scheme. To be revisited.
4513 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4514 and allow reg_or_0_operand and J constraint for second operand.
4515 (define_insn jump): Set branch predict taken on V9.
4516 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4517 new deferred case vector scheme.
4518 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4519 (define_insn negdi2_sp32): Force + implement splits.
4520 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4521 one_cmplsi2_not_liveg0 respectively, and create expander of original
4522 names which emit special rtl for TARGET_LIVE_G0.
4523 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4524 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4525 gen_compare_reg, FAIL instead.
4526 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4527 values when trying to reverse condition codes, if they FAIL then
4529 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4530 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4531 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4532 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4533 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4534 set output string to # to indicate they are mandatory splits.
4535 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4536 pic_sethi_di, move_pic_label_si): Remove.
4537 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4538 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4540 (define_expand movsi_pic_label_ref, define_insn
4541 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4542 expander and insns to handle PIC label references and deferred
4544 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4546 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4547 Rewrite to not use emit_move_sequence, make use of new constant
4548 formation code, and new splits for all multi-insn cases.
4549 (define_insn movqi_insn): Remove sethi case, it can never happen.
4550 Use reg_or_zero_operand instead of const0_rtx explicit test,
4551 use input_operand instead of move_operand for source, and use
4552 general_operand now for dest.
4553 (define_insn movhi_insn): Similar but leave sethi case.
4554 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4555 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4556 movhi_lo_sum respectively, prettify output string.
4557 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4558 register when needed on TARGET_LIVE_G0.
4559 (define_insn movsi_insn): Use general_operand and input_operand
4560 for dest and src respectively. Simplify applicability test.
4561 Prettify output strings, and add clr alternative for J
4563 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4564 deprecated std and reg-reg DI moves): Remove and...
4565 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4566 implementation which uses forced splits for all non-single insn
4568 (define_split DI move cases on !arch64): New splits to handle all
4569 situations of 64-bit double register DImode on 32bit, and
4570 unaligned registers and memory addresses for all subtargets.
4571 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4573 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4574 input_operand for dest and src respectively, prettify output
4576 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4577 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4579 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4580 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4581 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4582 movtf_no_e_insn_sp64) Replace with new
4583 implementation which uses forced splits for all non-single insn
4585 (define_split DF move cases): New splits in similar vein to DI
4587 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4588 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4589 movdi_sp64_insn): Remove old v9 code model and constant loading
4591 (define_insn pic_lo_sum_di, pic_sethi_di,
4592 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4593 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4594 embmedany_sethi, embmedany_losum, embmedany_brsum,
4595 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4596 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4597 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4598 scheme, using unspecs, secondary reloads, and one to one sparc
4599 insn to rtl insn mapping for better scheduling and code gen.
4600 (define_expand reload_indi, reload_outdi): Reload helpers for
4601 MEDANY and EMBMEDANY symbol address loading cases which require a
4603 (define_expand movsicc): Remove v8plus_regcmp cases.
4604 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4605 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4606 cmp_diqi_trunc_set): New patterns used by some of the new scc
4608 (define_insn xordi3_sp64_dbl): New pattern used for constant
4609 formation when crossing from 32-bit targets.
4610 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4612 (define_insn addx, subx): Make visible and prettify.
4613 (define_insn adddi3_insn_sp32): Likewise and force split.
4614 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4615 64bit scc split usage.
4616 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4617 zero_extend, subdi3): Force and implement splits.
4619 * final.c (final_scan_insn): Don't output labels if target
4620 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4623 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4624 don't forget to walk inside SEQUENCESs too as these are what the
4625 delay slot scheduler will create.
4627 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4629 * alpha.md (extxl+1,+2): New patterns to work around
4632 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4634 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4635 caused bad assembly code to be generated.
4637 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4639 * netbsd.h: Fix typo.
4641 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4643 * config.sub: Fix typo.
4645 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4647 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4649 (Running Protoize): Typo: Change "ther" into "other".
4651 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4653 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4654 * m68k/netbsd.h: Likewise.
4655 * ns32k/netbsd.h: Likewise.
4656 * sparc/netbsd.h: Likewise.
4658 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4660 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4661 * ginclude/va-clipper.h (va_list): Likewise.
4663 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4665 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4666 load/store multiple instructions unless user overrides.
4668 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4670 * ns32k/netbsd.h: Fix typo.
4672 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4674 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4675 labels with .debugsym if no parallel insns.
4677 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4679 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4680 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4682 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4684 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4685 (AR_FOR_TARGET): Define.
4687 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4689 * dyn-string.h: New file.
4690 * dyn-string.c: Likewise.
4691 * Makefile.in (OBJS): Add dyn-string.o.
4692 (dwarf2out.o): Add dyn-string.h dependency.
4693 (dyn-string.o): List dependencies.
4694 * dwarf2out.c: Include dyn-string.h.
4695 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4696 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4697 prototype. Use dyn_string_append rather than strcat, throughout.
4698 (addr_to_string): Use dyn_string_t.
4700 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4702 Function entry/exit profiling instrumentation:
4703 * expr.h (profile_function_entry_libfunc,
4704 profile_function_exit_libfunc): Declare new variables.
4705 * optabs.c: Define them here.
4706 (init_optabs): Initialize them.
4707 * tree.h (struct tree_decl): New flag
4708 no_instrument_function_entry_exit.
4709 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4710 * c-decl.c (duplicate_decls): Merge it.
4711 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4712 (init_attributes): Use it for "no_instrument_function".
4713 (decl_attributes): Handle it, for functions that have not yet been
4714 compiled. Set decl flag.
4715 * flags.h (flag_instrument_function_entry_exit): Declare new
4717 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4718 (f_options): New option "instrument-functions".
4719 * function.h (struct function): New field instrument_entry_exit.
4720 * function.c (current_function_instrument_entry_exit): New
4722 (push_function_context_to, pop_function_context_from): Save and
4724 (expand_function_start): Set current_ variable, maybe emit return
4725 label and entry profile call.
4726 (expand_function_end): Maybe emit exit profile call.
4728 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4730 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4731 NON_QI_REG_P, pretend the register is SImode.
4733 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4735 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4736 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4737 manufacturer id for ns32k.
4738 * configure: Regenerated.
4739 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4740 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4741 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4742 * config/m68k/netbsd.h: Same.
4743 * config/ns32k/netbsd.h: Same.
4744 * config/sparc/netbsd.h: Same.
4746 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4748 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4749 or UNROLL_COMPLETELY loop that starts with a jump to its
4752 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4754 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4755 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4756 (print_operand, case 'B'): Don't fall through.
4757 (print_operand, case 'S'): Correct mask begin/end computation.
4758 Use HOST_BITS_PER_WIDE_INT.
4759 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4760 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4761 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4762 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4764 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4766 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4767 constraint from second alternative.
4769 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4771 * configure.in: Fix --without/--disable cases for local-prefix,
4772 gxx-include-dir and checking.
4774 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4776 * configure.in (enable_haifa): Set by default for sparc64 too.
4779 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4781 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4782 * i386/winnt.c (associated_type): New fn.
4783 (i386_pe_valid_type_attribute_p): New fn.
4784 (i386_pe_check_vtable_importexport): Remove.
4785 (i386_pe_dllexport_p): Use associated_type.
4786 (i386_pe_dllimport_p): Likewise.
4788 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4789 * i386.c (i386_valid_type_attribute_p): Also accept
4790 attributes for METHOD_TYPEs.
4792 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4794 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4796 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4798 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4800 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4801 them from generating a new base name for each occurence of
4804 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4806 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4808 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4812 * cplus-dem.c (type_kind_t): New type.
4813 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4814 on this paramter, rather than demangling the type again.
4815 (demangle_integral_value): Pass tk_integral.
4816 (demangle_template_: Pass the value returned from do_type.
4817 (do_type): Return a type_kind_t. Pass tk_integral to
4818 demangle_template_value_parm for array bounds.
4819 (demangle_fund_type): Likewise.
4821 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4823 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4826 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4828 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4830 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4832 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4834 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4837 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4839 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4840 (DEBUGGER_ARG_OFFSET): Likewise.
4842 * mn10300.md (movsf): Remove last change. Not needed.
4844 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4846 * c-lex.c (yylex): Fix boundary conditions in character literal and
4847 string literal loops.
4849 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4851 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4852 being invoked incorrectly.
4854 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4855 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4857 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4858 * configure.in: Added i[34567]86-*-win32
4859 * config.sub: Ditto.
4860 * configure: Rebuilt.
4862 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4864 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4865 the frame pointer and compiling PIC code and reload has not completed.
4867 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4870 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4872 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4874 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4876 * Makefile.in (install-info): Only try to update the info
4877 directory file if it exists in the first place.
4879 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
4881 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
4883 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
4885 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
4886 CONST_DOUBLE source.
4888 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
4890 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
4891 strings as the insertion of USER_LABEL_PREFIX.
4892 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
4894 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
4897 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
4899 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
4900 already defined type.
4902 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
4904 * expr.c (check_max_integer_computation_mode): Allow conversions
4905 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
4906 (expand_expr): Likewise.
4908 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4910 * expr.c (expand_expr): Expand RETURN_EXPR.
4912 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
4914 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
4916 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
4918 * dwarf2out.c (output_aranges): Call stripattributes
4919 for TEXT_SECTION references.
4920 (output_line_info): Likewise.
4922 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4924 * profile.c (branch_prob): Call allocate_reg_info after outputting
4925 profile rtl in instrument_arcs.
4927 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
4929 * fixinc.irix (math.h): Install wrapper instead of copying.
4931 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4933 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
4934 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
4935 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
4936 lang_flag_0. Added documentation in the flag table.
4938 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
4940 * cccp.c (do_include): Fix vax c style include handling.
4942 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4944 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
4946 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
4948 * fold-const.c (non_lvalue): Don't deal with null pointer
4950 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4952 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
4954 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
4955 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
4956 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
4957 (u_short_cint_operand): Same.
4958 (reg_or_cint_operand): Same.
4959 (logical_operand): Same.
4960 (input_operand): Same.
4961 (reg_or_short_operand): Use u_short_cint_operand.
4963 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
4965 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
4966 but keep the insns and splits. Adjust so when the ultimate destination
4967 is memory, use cvtql.
4969 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
4971 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
4973 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
4975 * gcc.c (do_spec): Call "error" not "warning".
4977 * configure.in: Fix minor problems with gas feature detection code.
4978 * configure: Rebuilt.
4980 * gcc.c (do_spec): Issue a warning for '%[]' usage.
4983 * gcc.c: Delete %[spec] support.
4984 (do_spec_1, case '('): Likewise.
4985 (do_spec_1, case '['): Call error.
4987 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
4989 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
4990 (CPP_SUBTARGET_SPEC): Default to empty string.
4991 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
4992 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
4993 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
4994 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
4996 * alpha/linux.h (CPP_PREDEFINES): Tidy.
4997 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
4998 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
4999 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5000 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5001 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5002 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5003 * alpha/vxworks.h: Likewise.
5005 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5007 * mips.md (reload_outsi): Added missing REGNO call.
5008 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5010 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5011 another match_operator and compare the codes.
5013 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5015 * MIPS multiply pattern fixes:
5016 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5017 Add union classes for HI, LO, or HILO plus general registers.
5018 (GENERATE_MADD): Deleted.
5019 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5020 Add TARGET_MAD to condition.
5021 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5022 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5023 "*d" for accumulator, to give preference to LO initially but not
5026 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5028 * configure.in (enable_c_mbchar): New configure option.
5029 (extra_cpp_objs): Always available now.
5031 * cexp.y (mbchar.h): #include it.
5032 (yylex): Handle Multibyte characters in character literals.
5034 * cccp.c (mbchar.h): #include it.
5035 (main): Set character set based on LANG environment variable.
5036 (rescan): Handle multibyte characters in comments.
5037 (skip_if_group): See above.
5038 (validate_else): See above.
5039 (skip_to_end_of_comment): See above.
5040 (macarg1): See above.
5041 (discard_comments): See above.
5042 (rescan): Handle multibyte characters in string and character literals.
5043 (collect_expansion): See above.
5044 (skip_quoted_string): See above.
5045 (macroexpand): See above.
5046 (macarg1): See above.
5047 (discard_comments): See above.
5048 (change_newlines): See above.
5050 * c-lex.c (mbchar.h): #include it.
5051 (GET_ENVIRONMENT): New macro.
5052 (init_lex): Set character set based on LANG environment variable.
5053 (yylex): Handle multibyte characters in character literals.
5054 (yylex): Handle multibyte characters in string literals.
5056 * Makefile.in (mbchar.o): New target.
5057 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5058 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5060 * mbchar.[ch]: New files for multibyte character handling.
5062 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5064 * jump.c (jump_optimize): When simplifying noop moves and
5065 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5066 the PUSHes to rewrite in second loop as we did in the first.
5068 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5070 * cplus-dem.c (demangle_nested_args): Make function definition
5071 static to match the prototype.
5073 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5075 * alloca.c: Respect USE_C_ALLOCA.
5076 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5077 * gengenrtl.c (xmalloc): Likewise.
5079 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5081 * loop.h (struct induction): Add no_const_addval.
5082 * loop.c (the_movables, reg_address_cost): New variables.
5083 (init_loop): Init reg_address_cost.
5084 (loop_optimize): Call end_alias_analysis.
5085 (scan_loop): Init the_movables.
5086 (record_giv): Init induction->no_const_addval.
5087 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5088 [REG]: Rearrange loop search test to catch more cases.
5089 (general_induction_var): Return success not benefit; take an extra
5090 argument for that. Change all callers.
5091 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5092 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5093 [default]: Search the_movables for additional combinations.
5094 (sge_plus_constant, sge_plus): New functions.
5095 (express_from_1): New function.
5096 (express_from): Always define. Rewrite using express_from_1.
5097 (combine_givs_p): Handle more cases. Ignore address cost.
5098 (cmp_combine_givs_stats): New function.
5099 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5100 (combine_givs): Rewrite to do best-fit combination.
5102 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5103 (fold): Do a complete (A*C)+(B*C) association check.
5105 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5107 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5109 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5111 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5113 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5115 * tree.c (valid_machine_attribute): Only create a new type variant if
5116 there is a decl to use it.
5118 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5120 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5123 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5125 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5128 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5130 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5131 Simplify tests for clearing an address register.
5132 (expand_prologue): Corresponding changes.
5134 * mn10300.md (movXX patterns): Make sure the destination is an
5135 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5136 (logical patterns): Split into expanders + patterns
5137 (zero and sign extension patterns): Similarly.
5138 (shift patterns): Similarly.
5140 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5142 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5143 for the sequence, recording base values.
5145 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5147 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5149 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5151 * gcc.c: Remove ANSI-C ism from --help code.
5153 * toplev.c: Support --help with USE_CPPLIB.
5155 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5157 * configure.in: Rework gas feature code to work with symlink based
5160 * extend.texi: Clarify some issues related to local variables
5161 assigned to explicit registers.
5163 * mn10300.md (mulsi): Turn into expander + pattern.
5165 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5168 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5170 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5172 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5174 * version.c: Bump again to distinguish mainline tree from the
5177 See ChangeLog.0 for earlier changes.
5180 add-log-time-format: current-time-string