1 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
3 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
4 existing SUBREG if we can, otherwise abort.
6 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
8 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
9 `restrict' is applied to a non-pointer variable.
11 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
13 * invoke.texi: Document -flang-isoc9x.
15 * Makefile.in (OBJS): Add splay-tree.o.
16 (c-common.o): Depend on rtl.h.
17 (splay-tree.o): List dependencies and provide build rule.
19 * rtl.h (record_alias_subset): New function.
20 * alias.c: Include splay-tree.h.
21 (alias_set_entry): New type.
22 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
23 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
24 (mems_in_disjoin_alias_sets_p): New function.
25 (alias_set_compare): Likewise.
26 (insert_subset_children): Likewise.
27 (get_alias_set_entry): Likewise.
29 * tree.h (TYPE_RESTRICT): New macro.
30 (TYPE_UNQUALIFIED): New manifest constant.
31 (TYPE_QUAL_CONST): Likewise
32 (TYPE_QUAL_VOLATILE): Likewise.
33 (TYPE_QUAL_RESTRICT): Likewise.
34 (tree_type): Add restrict_flag. Reduce count of free bits.
35 (DECL_POINTER_ALIAS_SET): New macro.
36 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
37 (tree_decl): Add pointer_alias_set.
38 (build_qualified_type): New function.
39 (build_type_variant): Define in terms of build_qualified_type.
40 * tree.c (set_type_quals): New function.
41 (make_node): Initializae DECL_POINTER_ALIAS_SET.
42 (build_type_attribute_variant): Use build_qualified_type and
44 (build_type_variant): Rename, and modify, to become...
45 (build_qualified_type): New function.
46 (build_complex_type): Use set_type_quals.
48 * c-tree.h (C_TYPE_OBJECT_P): New macro.
49 (C_TYPE_FUNCTION_P): Likewise.
50 (C_TYPE_INCOMPLETE_P): Likewise.
51 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
52 (c_apply_type_quals_to_decl): New function.
53 (c_build_qualified_type): New function.
54 (c_build_type_variant): Define in terms of c_build_qualified_type.
55 (flag_isoc9x): Declare.
56 * c-typeck.c (qualify_type): Use c_build_qualified_type.
57 (common_type): Change to use TYPE_QUALS.
58 (comptypes): Likewise.
59 (convert_for_assignment): Likewise.
60 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
61 * c-decl.c (flag_isoc9x): Define.
62 (c_decode_option): Handle -flang-isoc9x.
63 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
64 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
65 * c-lex.c (init_lex): Deal with restrict.
66 (init_lex): Don't treat restrict as a reserved word in
67 -traditional mode, or without -flang-isoc9x.
68 * c-lex.h (rid): Add RID_RESTRICT.
69 * c-parse.gperf (restrict, __restrict, __restrict__): Make
70 equivalent to RID_RESTRICT.
71 * c-parse.in (TYPE_QUAL): Update comment.
72 * c-common.c: Include rtl.h.
73 (c_find_base_decl): New function.
74 (c_build_type_variant): Rename, and modify, to become ...
75 (c_build_qualified_type): New function.
76 (c_apply_type_quals_to_decl): Likewise.
77 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
78 a particular alias set for the reference.
79 * toplev.c (documented_lang_options): Add -flang-isoc9x.
81 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
83 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
84 command line switches.
86 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
88 * reload.c (loc_mentioned_in_p): Add missing braces to bind
91 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
93 * gcc.c (option_map): Added --classpath and --CLASSPATH.
95 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
97 * regclass.c (fix_register): Add error message.
98 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
101 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
103 * c-decl.c (warn_missing_noreturn): New global variable.
104 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
105 (finish_function): Implement missing noreturn warning.
107 * c-tree.h (warn_missing_noreturn): Declare extern.
109 * invoke.texi: Document new flags.
111 * toplev.c (documented_lang_options): Add description.
113 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
115 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
116 loop optimization stable for the C4x.
117 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
118 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
119 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
121 (c4x_address_conflict): Be more paranoid when packing a volatile
122 memref in a parallel load/store.
124 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
126 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
127 repeat_block_filler): Deleted.
128 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
129 Condition code not set if destination register from 'c' class.
130 (*subbqi3_carry_clobber): Fix typo.
132 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
134 * reorg.c (steal_delay_list_from_target) Check for insns that
135 modify the condition codes and effect the direction of the jump
138 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
140 * function.c (purge_addressof_1): Replace call to
141 emit_insns_before() with emit_insn_before().
143 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
145 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
147 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
149 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
151 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
153 * gcse.c (compute_hash_table): Correctly identify hard regs which are
154 clobbered across calls.
156 * loop.c (scan_loop): Be more selective about what invariants are
159 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
161 * version.c: Bump for snapshot.
163 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
165 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
166 static eh_context structure.
168 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
170 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
172 (try_combine): Don't update max_scratch.
173 * flow.c (max_scratch, num_scratch): Delete variables.
174 (life_analysis_1): Don't initialize max_scratch.
175 (propagate_block): Don't update max_scratch.
176 (mark_set_1): Don't increment num_scratch.
177 * regs.h (max_scratch): Delete declaration.
179 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
181 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
182 is nonzero. This is temporary!
184 * sched.c (update_flow_info): Handle death notes made invalid by
185 instruction splitting. Partially reverts Oct 15, 1998 patch.
186 * haifa-sched.c (update_flow_info): Likewise.
188 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
190 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
191 if it has a nonzero DECL_INITIAL.
193 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
195 * Makefile.in (flow.o): Depend on recog.h.
197 * cpplib.h (directive_table): Add missing initializiers.
198 (finclude): Change type of variable `bsize' to size_t.
200 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
202 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
204 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
205 `int' when comparing against one.
206 (cpp_file_line_for_message): Mark parameter `pfile' with
208 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
210 * flow.c: Include recog.h.
211 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
213 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
214 `f' with ATTRIBUTE_UNUSED.
215 (reposition_prologue_and_epilogue_notes): Likewise.
217 * genopinit.c (gen_insn): Cast argument of ctype functions to
220 * haifa-sched.c: Include recog.h.
221 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
222 comparing against one.
224 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
226 * mips-tfile.c (parse_end): Cast the argument of ctype function to
228 (parse_ent): Likewise.
229 (parse_input): Likewise.
231 * optabs.c (init_libfuncs): Likewise.
233 * protoize.c (find_rightmost_formals_list): Likewise.
235 * recog.h (const_double_operand): Fix typo in prototype.
237 * tlink.c (scan_linker_output): Cast the argument of ctype
238 function to `unsigned char'.
240 * toplev.c (check_lang_option): Cast the result of `strlen' to
241 `int' when comparing against one.
243 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
245 * gcse.c (dump_cuid_table): Correct typo.
247 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
249 * toplev.c (display_help): Prepend '-m' to target specific
251 (check_lang_option): Ignore text after end of first word of a
252 language specific option.
254 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
256 * reload1.c (reg_used_by_pseudo): New static variable.
257 (choose_reload_regs): Initialize it.
258 Use it instead of testing spill_reg_order to determine whether a
259 pseudo is live in a hard register across the current insn.
260 Fix a typo in a reference to reload_reg_rtx.
262 * flow.c (propagate_block): Replace code that computes and uses
263 regs_sometimes_live with simpler code that just walks the set of
264 currently live registers.
266 * Makefile.in (insn-extract.o): Fix dependencies.
267 * genextract.c (main): Generate includes for insn-config.h and
269 Delete generation of declarations which are now in recog.h.
270 * genrecog.c (main): Delete generation of definitions which are
272 * local-alloc.c (block_alloc): Use extract_insn and the variables
273 it sets up instead of looking up values by insn_code.
274 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
275 recog_dup_num): Define here instead of generating the definition in
277 (recog_n_operands, recog_n_dups, recog_n_alternatives,
278 recog_operand_mode, recog_constraints, recog_operand_address_p):
280 (extract_insn): New function.
281 * recog.h (extract_insn): Declare function.
282 (which_alternative, recog_n_operands, recog_n_dups,
283 recog_n_alternatives, recog_operand_mode, recog_constraints,
284 recog_operand_address_p): Declare variables.
285 * regclass.c (n_occurrences): New static function.
286 * reload.c (n_occurrences): Delete function.
287 (find_reloads): Use extract_insn.
288 * reload.h (n_occurrences): Delete declaration.
290 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
292 * reload1.c (reload_as_needed): Fix test for when to call
293 update_eliminable_offsets.
295 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
297 Fix consistency problems with reg_equiv_{mem,address};
298 Improve reload inheritance;
300 * reload.c (reload_out_reg): New variable.
301 (loc_mentioned_in_p, remove_address_replacements): New functions.
302 (remove_replacements): Deleted.
303 (push_reload): Set reload_out_reg[i].
304 When merging, also set reload_{in,out}_reg[i], and remove
305 duplicate address reloads.
306 (combine_reloads): Copy reload_out_reg[i].
307 (find_reloads): Do make_memloc substitution also when
308 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
310 Include *recog_operand_loc in commutativity operand changes.
311 Generate optional output reloads.
312 Delete reference to n_memlocs. Don't set *recog_operand_loc before
313 processing operands. Call make_memloc in reg_equiv_address code.
314 Set *recog_operand_loc only after processing operands, and only
315 if replace is true. Return a value.
316 When changing address reload types for operands that didn't get
317 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
318 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
319 Don't emit USEs for pseudo SUBREGs when not replacing.
320 (find_reloads_address): Do make_memloc substitution also when
321 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
323 (find_reloads_toplev): Likewise.
324 Call make_memloc in reg_equiv_address code.
325 (debug_reload_to_stream): Add code to output reload_out_reg.
326 (make_memloc): Delete local variable i, ifdefed out code, and
327 references to memlocs and n_memlocs.
328 (memlocs, n_memlocs): Delete.
329 (push_secondary_reload): Clear reload_out_reg.
330 (find_reloads_address_1): Provide memrefloc argument to all calls
331 to find_reloads_address.
332 In AUTO_INC code, handle non-directly addressable equivalences properly.
333 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
334 (find_reloads): Add return type.
335 (remove_address_replacements, deallocate_reload_reg): Declare.
336 * reload1.c (num_not_at_initial_offset): No longer static.
337 (delete_address_reloads, delete_address_reloads_1): Likewise.
338 (deallocate_reload_reg): New function.
339 (spill_reg_stored_to): New array.
340 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
341 (eliminate_regs_in_insn): Move assignments of previous_offset and
342 max_offset fields, and recalculation of num_not_at_initial_offset
343 into new static function:
344 (update_eliminable_offsets) .
345 (reload_as_needed): Call update_eliminable_offsetss after calling
347 Call forget_old_reloads_1 with contents of reloaded auto_inc
348 expressions if the actual addressing can't be changed to match the
350 (choose_reload_regs): For inheritance, replace
351 reload_reg_free_before_p test with reload_reg_used_at_all test, and
352 remove stand-alone reload_reg_used_at_all test.
353 Use reload_out_reg to determine which reload regs have output reloads.
354 Treat reload_override_in more similar to inherited reloads.
355 Handle (subreg (reg... for inheritance.
356 For flag_expensive_optimizations, add an extra pass to remove
357 unnecessary reloads from known working inheritance.
358 Delete obsolete code for pseudos replaced with MEMs.
359 Handle inheritance from auto_inc expressions.
360 (emit_reload_insns): If reload_in is a MEM, set OLD to
362 Don't reload directly from oldequiv; if it's a pseudo with a
363 stack slot, use reload_in[j].
364 Check that reload_in_reg[j] is a MEM before replacing reload_in
365 from reg_reloaded_contents.
366 Include non-spill registers in reload inheritance processing.
367 Also try to use reload_out_reg to set spill_reg_store /
369 In code to set new_spill_reg_store, use single_set to find out if
370 there is a single set.
371 Add code that allows to delete optional output reloads.
372 Add code to allow deletion of output reloads that use no spill reg.
373 At the end, set reload_override_in to oldequiv.
374 Also call delete_output_reload if reload_out_reg is equal to old
376 Add code to call delete_output_reload for stores with no matching load.
377 Set / use spill_reg_stored_to.
378 Handle case where secondary output reload uses a temporary, but
379 actual store isn't found.
380 When looking for a store of a value not loaded in order to call
381 delete_output_reload, count_occurences should return 0 for no
382 loads; but discount inherited input reloadill_reg_stored_to.
383 Do checks for extra uses of REG. Changed all
385 Use delete_address_reloads.
386 (reload): Take return value of find_reloads into account.
387 If a no-op set needs more than one reload, delete it.
388 (reload_reg_free_before_p): RELOAD_FOR_INPUT
389 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
390 for the same operand.
391 (clear_reload_reg_in_use): Check for other reloads that keep a
393 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
394 RELOAD_FOR_OPADDR_ADDR.
395 Take into account when an address address reload is only needed
396 for the address reload we are considering.
397 (count_occurrences): Use rtx_equal_p for MEMs.
398 (inc_for_reload): Return instruction that stores into RELOADREG.
399 New argument two, IN, and rtx. Changed all callers.
400 (calculate_needs_all_insns, reload_as_needed):
401 Don't clear after_call for a CLOBBER.
402 Keep track of how many hard registers need to be copied from
403 after_call, and don't clear after_call before we have seen
404 that much copies, or we see a different instruction.
406 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
408 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
409 after reload has completed.
411 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
413 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
414 a macro name and the next token with a single blank if that whitespace
415 is in a macro buffer and the next token is not '('.
417 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
419 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
421 (skip_if_group): Ditto.
422 (skip_to_end_of_comment): Ditto.
424 (discard_comments): Ditto.
425 (change_newlines): Ditto.
427 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
429 * c-lex.c (yylex): Fix unaligned access of wchar_t.
431 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
433 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
434 (TARGET_OPTIONS): Add --help documentation.
436 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
438 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
440 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
442 * fixinc/* Moved in from ../contrib directory in preparation
443 for integrating it into the normal build process. In particular,
444 fixinc/Makefile.in must be config-ed into the build directory
445 as fixinc/Makefile. Proposed patches to ./Makefile.in and
446 ./configure.in will be "in the mail" momentarily.
448 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
450 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
451 accidently walk into the free list. Comment how that can happen.
452 (invalidate): Fix indentation.
454 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
455 Jeffrey A Law (law@cygnus.com)
457 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
458 reload. Never perform rescans of the insn chain after reload.
459 (propagate_block): Do not delete insn or create new autoinc addressing
462 * jump.c (jump_optimize): Unconditionally use the code that was
463 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
464 * reload1.c (reload): When reloading is finished, delete all
465 REG_DEAD and REG_UNUSED notes.
466 (emit_reload_insns): Delete all code that was conditional on
467 PRESERVE_DEATH_INFO_REGNO_P.
468 (no_longer_dead_regs): Delete variable.
469 (reload_cse_delete_death_notes): Delete function.
470 (reload_cse_no_longer_dead): Delete function.
471 (reload_cse_regs_1): Delete all code to handle deletion of death
473 (reload_cse_noop_set_p): Likewise.
474 (reload_cse_simplify_set): Likewise.
475 (reload_cse_simplify_operands): Likewise.
476 (reload_cse_move2add): Likewise.
477 * reorg.c (used_spill_regs): Delete declaration.
478 (max_label_num_after_reload): Delete declaration.
479 (find_dead_or_set_registers): Don't assume that spill regs are
480 dead at a CODE_LABEL.
481 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
483 * sched.c (sched_analyze_insn): Likewise.
484 (update_flow_info): Likewise.
485 * haifa-sched.c (sched_analyze_insn): Likewise.
486 (update_flow_info): Likewise.
487 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
488 * toplev.c (max_label_num_after_reload): Delete variable.
489 (rest_of_compilation): Don't set max_label_num_after_reload.
490 Call life_analysis after reload_cse_regs if optimizing.
491 * config/gmicro/gmicro.h: Delete comment referring to
492 PRESERVE_DEATH_INFO_REGNO_P.
493 * config/i386/i386.h: Likewise.
494 * config/m88k/m88k.h: Likewise.
495 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
496 * config/sh/sh.h: Likewise.
498 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
500 * loop.c (strength_reduce): Restore marking bct_p as
502 * rs6000.c (optimization_options): Change #ifdef HAIFA to
503 HAVE_decrement_and_branch_on_count.
504 (small_data_operand): Remove TARGET_ELF condition for marking
505 parameters ATTRIBUTE_UNUSED.
507 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
509 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
510 (SELECT_SECTION): Resync with svr4.h.
512 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
514 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
517 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
519 * c-pragma.c (handle_pragma_token): Test for null tree before
520 dereferencing TREE_CODE.
522 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
524 * config/c4x/c4x.c: Convert to use GEN_INT.
525 (c4x_parallel_process): Rework to handle new repeat loop structure.
527 * config/c4x/c4x.md: Convert to use GEN_INT.
528 (rptb_end): Convert to use GE test. Replace uses with clobbers.
529 (decrement_and_branch_on_count): Likewise.
531 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
532 loop.c has the desired functionality.
533 (rc_reg_operand): New prototype.
535 * config/c4x/t-c4x: Can now build all front ends.
537 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
539 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
541 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
543 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
544 * config/t-rtems: Do not install assert.h -- use newlib's.
546 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
548 * combine.c (combine_instructions): When finished, call init_recog.
549 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
551 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
553 * toplev.c: If flag_syntax_only, don't open or write assembler file.
555 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
557 * cppalloc.c (memory_full): Mark function prototype with
560 * demangle.h (collect_exit): Likewise.
562 * fix-header.c (v_fatal, fatal): Likewise.
564 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
567 * gcov.c (print_usage): Likewise.
569 * genattr.c (fatal, fancy_abort): Likewise.
571 * genattrtab.c (fatal, fancy_abort): Likewise.
573 * gencodes.c (fatal, fancy_abort): Likewise.
575 * genconfig.c (fatal, fancy_abort): Likewise.
577 * genemit.c (fatal, fancy_abort): Likewise.
579 * genextract.c (fatal, fancy_abort): Likewise.
581 * genflags.c (fatal, fancy_abort): Likewise.
583 * genopinit.c (fatal, fancy_abort): Likewise.
585 * genoutput.c (fatal, fancy_abort): Likewise.
587 * genpeep.c (fatal, fancy_abort): Likewise.
589 * genrecog.c (fatal, fancy_abort): Likewise.
591 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
592 __sjpopnthrow, __throw): Likewise.
594 * objc/objc-act.c (objc_fatal): Likewise.
596 * protoize.c (usage, aux_info_corrupted,
597 declare_source_confusing): Likewise.
599 * rtl.c (dump_and_abort): Likewise.
601 * rtl.h (sets_cc0_p): Likewise.
603 * toplev.c (float_signal, pipe_closed): Likewise.
605 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
607 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
608 when generating the decision tree for the general case.
610 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
611 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
613 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
615 * Makefile.in (sched.o): Depend on recog.h.
617 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
618 (unsigned) when comparing against one.
619 (find_base_value): Likewise.
620 (record_base_value): Cast variable `regno' to (unsigned) when
621 comparing against one. Cast the result of REGNO() macro to
622 (unsigned) when comparing against one.
623 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
625 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
626 variable where an unsigned index is needed.
628 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
629 before comparing against one.
631 * collect2.c: Add prototypes for functions `error', `fatal' and
632 `fatal_perror'. Make these functions take variable arguments
633 instead of faking it with a fixed number of args.
634 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
637 * combine.c (can_combine_p): Mark parameter `pred' with
639 (find_split_point): Cast variable `src' to (unsigned
640 HOST_WIDE_INT) when comparing against one.
641 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
642 (simplify_logical): Likewise.
643 (force_to_mode): Cast result of INTVAL() macro to (unsigned
644 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
645 HOST_WIDE_INT) in shift.
646 (simplify_and_const_int): Cast result of INTVAL() macro to
647 `unsigned HOST_WIDE_INT' when comparing against one.
648 (merge_outer_ops): Cast variable const0 to `unsigned
649 HOST_WIDE_INT' when comparing against the result of
650 GET_MODE_MASK() macro.
651 (simplify_comparison): Likewise for variable `c0'. Cast variable
652 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
653 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
654 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
655 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
656 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
657 comparing against one.
658 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
660 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
661 macro to `unsigned HOST_WIDE_INT' when comparing against one.
662 (output_block_move): Cast `sizeof' expression to (int) when
663 comparing against one.
664 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
666 (save_restore_insns): Cast `base_offset' to `long' to match format
667 specifier in fprintf.
669 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
670 to `enum machine_mode'.
672 * flow.c (life_analysis_1): Remove unused variable `insn'.
674 * gcc.c (translate_options): Move variables `j' and `k' into the
675 scope in which they are used. Change their types to `size_t'.
676 (set_spec): Cast the argument of ctype macro to `unsigned char'.
677 (read_specs): Likewise.
678 (process_command): Cast `sizeof' to (int) when comparing against one.
679 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
680 (handle_braces): Cast both sides of `==' expression to `long' to
681 ensure sign matching.
682 (main): Cast variable `i' to `int' when comparing against one.
684 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
685 int to size_t. Cast variable `i' to size_t when comparing against
688 * genattrtab.c (convert_set_attr_alternative): Remove unused
689 parameter `insn_code'. All callers changed.
690 (convert_set_attr): Likewise.
692 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
693 size_t when comparing against one. Likewise for variable `len'.
695 * global.c (global_alloc): Cast variable `max_regno' to size_t
696 when comparing against one. Likewise for variable `max_allocno'.
698 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
700 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
701 `set' with ATTRIBUTE_UNUSED.
702 (find_free_reg): Cast `sizeof' expression to (int) when comparing
705 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
706 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
707 (get_condition): Cast variable `const_val' to `unsigned
708 HOST_WIDE_INT' when comparing against one. Cast unsigned
709 expression to HOST_WIDE_INT when comparing against one.
710 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
711 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
712 `unsigned' when comparing against one.
714 * protoize.c (is_id_char): Change type of parameter `ch' to
716 (munge_compile_params): Cast argument of ctype macro to (const
718 (process_aux_info_file): Cast variable `aux_info_size' to int when
719 comparing against one.
720 (forward_to_next_token_char): Cast argument of ctype macro to
721 `const unsigned char'.
722 (edit_formals_lists): Likewise.
723 (find_rightmost_formals_list): Likewise.
724 (add_local_decl): Likewise.
725 (add_global_decls): Likewise.
726 (edit_fn_definition): Likewise.
727 (do_cleaning): Likewise.
728 (scan_for_missed_items): Likewise.
729 (edit_file): Cast variable `orig_size' to (int) when comparing
731 (main): Cast argument of ctype macro to `const unsigned char'.
733 * recog.c (const_int_operand): Mark parameter `mode' with
736 * regclass.c (record_reg_classes): Change type of variable `c' to
737 `unsigned char'. Cast `char' array index to `unsigned char'.
739 * reload.c (push_secondary_reload): Cast argument to
740 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
742 * reload1.c (calculate_needs): Cast `char' array index to
744 (set_label_offsets): Change type of variable `i' to unsigned int.
745 Cast result of XVECLEN() macro to unsigned when comparing against
747 (mark_not_eliminable): Change type of variable `i' to unsigned.
748 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
749 when comparing against one.
750 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
751 comparing against one.
752 (choose_reload_regs): Hide unused label `fail'.
753 (reload_cse_simplify_operands): Cast `char' array index to
755 (reload_combine_note_store): Mark parameter `set' with
756 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
758 (reload_cse_move2add): Remove unused variable `src2'.
760 * sched.c: Include recog.h.
761 (sched_note_set): Remove unused parameter `b'. All callers
763 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
764 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
765 when comparing against one.
767 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
768 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
769 comparing against one.
771 * unroll.c (precondition_loop_p): Remove unused parameter
772 `loop_end'. All callers changed.
774 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
776 * reload1.c (maybe_fix_stack_asms): New static function.
779 * reload.h (compute_use_by_pseudos): Declare.
781 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
782 (something_needs_reloads): Delete variable.
783 (finish_spills): New function.
784 (compute_use_by_pseudos): New function.
786 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
787 Use the reload_insn_chain instead of walking the rtl directly.
789 (reload): Allocate and free spilled_pseudos.
790 Ensure that all calls of spill_hard_reg are followed by a call to
792 Use the insns_need_reload list instead of something_needs_reloads
793 to find out if reload_as_needed must be called.
794 Clear unused_insn_chains at the end.
796 (calculate_needs_all_insns): Lose FIRST parameter. All callers
798 Delete code to keep track of current basic block.
799 Walk reload_insn_chain instead of the rtl structure. Build the
800 insns_need_reload chain.
801 Remember which insns need reloading/elimination by setting the
802 appropriate fields in struct insn_chain, not by putting modes on the
805 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
806 arg INSN. All callers changed.
807 Delete declaration of struct needs.
808 Don't set something_needs_reloads.
809 Record insn needs in the CHAIN argument.
811 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
813 (reload_as_needed): Lose FIRST arg. All callers changed.
814 Walk the reload_insn_chain instead of the rtx structure.
815 Delete code to keep track of current basic block.
816 Rename one of the NEXT variables to OLD_NEXT.
818 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
820 (choose_reload_regs): Likewise.
822 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
825 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
826 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
827 (hard_regs_live, hard_regs_need_restore): Delete variables.
828 (n_regs_saved): Now static.
829 (referenced_regs, this_insn_sets): New variables.
831 (setup_save_areas): Restructure the code a bit.
833 (restore_referenced_regs): Delete function.
834 (mark_referenced_regs): New function, similar to the old
835 restore_referenced_regs, but mark registers in referenced_regs.
837 (clear_reg_live): Delete function.
838 (mark_set_regs): Renamed from set_reg_live. All callers changed.
839 Only mark registers in this_insn_sets.
841 (save_call_clobbered_regs): Rework this function to walk the
842 reload_insn_chain instead of using the list of instructions directly.
843 Delete code to keep track of register lives, compute live regs on the
844 fly from information in the chain.
845 Instead of calling restore_referenced_regs, use mark_referenced_regs,
846 then walk the set it computes and call insert_restore as appropriate.
848 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
850 Restructure the code a bit. Test hard_regs_saved instead of
851 hard_regs_need_restore.
852 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
853 args. All callers changed.
854 Restructure the code a bit. Use TO_SAVE to determine which regs to
855 save instead of more complicated test.
856 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
858 Create a new insn_chain structure for the new insn and place it
861 * rtl.texi: Update documentation to reflect that reload no longer
862 puts modes on the insns.
864 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
866 * function.c (purge_addressof_1): Force the first argument of a
869 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
871 * rtl.h: Delete duplicate prototypes. Add some missing
873 * rtlanal.c: (for_each_rtx): Formatting tweak.
875 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
877 * real.c (emdnorm and etoasc): Disable round to even for c4x target
878 to be compatible with TI compiler.
880 * Makefile.in (USER_H): Add va-c4x.h to definition.
882 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
884 * function.c (purge_addressof_1): Fix typo in inequality: do
885 bitfield optimization for equal mode sizes.
886 * expmed.c (store_bit_field): Don't take subregs of subregs in
887 the movstrict case. Tidy a potential problem in the multi-word case.
888 (extract_bit_field): Likewise.
890 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
892 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
894 Compute max_uid_for_flow by calling get_max_uid after the scan.
895 (find_basic_blocks_1): Don't emit NOPs here.
897 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
899 * alias.c (base_alias_check): Accept new args for the modes of the
900 two references. Use them to determine if an AND can overlap. Update
902 (memrefs_conflict_p): Assume sizes are aligned, and uses them
903 to determine if an AND can overlap.
905 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
907 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
908 check. Add comment to document problems with TARGET_SUN_FPA version
910 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
912 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
914 * Makefile.in (gencheck.o): Depend on gansidecl.h.
916 * c-common.c (print_char_table): Add missing initializers.
917 (scan_char_table): Likewise.
918 (time_char_table): Likewise.
920 * c-decl.c (c_decode_option): Mark parameter `argc' with
922 (declare_parm_level): Mark parameter `definition_flag' with
925 * c-lex.c (readescape): Use `(unsigned)1' in shift.
926 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
929 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
931 (emit_call_1): Mark parameters `fndecl' and `funtype' with
933 (expand_call): Cast result of MIN() to (unsigned int) when
934 comparing against an unsigned value.
936 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
938 (make_definition): Remove unused parameter `op'. All callers
940 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
941 comparing against the result of pointer arithmetic.
943 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
944 when comparing against one.
946 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
947 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
949 (output_die): Move variable `i' into the scope in which it is
950 used. Change its type to `unsigned'.
951 (output_die): Cast the result of `strlen' to (int) when passing it
952 to ASM_OUTPUT_ASCII().
953 (output_pubnames): Likewise.
954 (output_line_info): Likewise.
956 * emit-rtl.c (global_rtl): Add missing initializers.
958 * explow.c (promote_mode): Mark parameter `for_call' with
961 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
962 `unsigned HOST_WIDE_INT' when comparing against one.
963 (synth_mult): Change type of variable `cost' to int.
964 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
966 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
967 when comparing against one.
968 (get_inner_reference): Change variable `alignment' to unsigned.
969 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
970 int) when comparing against one.
971 (expand_builtin_setjmp): Change type of variable `i' to size_t.
973 * fold-const.c (div_and_round_double): Cast BASE to
974 (HOST_WIDE_INT) when comparing against one.
976 * gencheck.c: Include gansidecl.h.
977 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
979 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
980 `tcode' with ATTRIBUTE_UNUSED.
982 * real.c (edivm): Cast constant value to (unsigned long) in
983 expression compared against an unsigned value.
985 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
986 comparing against one.
987 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
988 when comparing against one.
990 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
991 (unsigned int) when comparing against one. Likewise for
993 (smallest_mode_for_size): Likewise.
994 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
995 (restore_storage_status): Likewise.
997 * toplev.c (debug_args): Add missing initializer.
998 (f_options): Spelling correction. Add missing initializers.
999 (documented_lang_options): Likewise.
1000 (debug_end_source_file): Mark parameter `lineno' with
1003 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1004 `decl' and `type' with ATTRIBUTE_UNUSED.
1006 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1007 when comparing against one.
1008 (assemble_variable): Mark parameter `top_level' with
1010 (assemble_external_libcall): Mark parameter `fun' with
1012 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1015 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1017 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1018 Replace use of r5 with use of r19.
1020 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1022 * config/v850/v850.c (compute_register_save_size): Allow for the
1023 fact that helper functions save all registers, not just those used
1026 Replace constant 31 with macro LINK_POINTER_REGNUM.
1028 * config/v850/v850.md: Use 'indirect_operand' rather than
1029 'memory_operand' for bit test/set/clear patterns.
1031 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1033 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1034 * varasm.c (assemble_start_function et al): Don't call
1035 ASM_GLOBALIZE_LABEL for weak symbols.
1037 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1039 * cse.c (equiv_constant): Check for NULL return from
1040 gen_lowpart_if_possible().
1042 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1044 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1046 * collect2.c (main): Pass -EL/-EB through to the compiler.
1048 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1050 * expr.c (push_block): Handle targets where the stack grows
1051 to higher addresses, but args grow to lower addresses and
1052 ACCUMULATE_OUTGOING_ARGS is not defined.
1054 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1056 * config/v850/v850.c (print_operand): Extend meaning
1057 of 'c' operands to support .vtinherit.
1059 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1061 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1062 Added ATTRIBUTE_UNUSED to unused function arguments.
1063 (rc_reg_operand): New predicate.
1064 (c4x_rptb_insert): New function.
1065 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1066 (c4x_optimization_options): New function.
1068 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1069 (decrement_and_branch_on_count): New pattern.
1070 (rptb_top): Modified pattern to work with BCT optimization.
1072 * config/c4x/c4x.h (RC_REG): New register class.
1073 (rc_reg_operand): Define prototype.
1074 (IS_RC_REG): New macro.
1075 (IS_RC_OR_PSEUDO_REG): New macro.
1076 (IS_RC_OR_PSEUDO_REGNO): New macro.
1077 (OPTIMIZATION_OPTIONS): Define.
1079 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1081 * collect2.c (extract_init_priority): No priority is 65535.
1083 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1085 * Makefile.in (build_tooldir): new variable, same as old
1086 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1087 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1088 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1090 * configure.in (gxx_include_dir): set default based on unlibsubdir
1091 * Makefile.in (tooldir): ditto
1092 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1093 gxx_include_dir, includedir and tooldir
1094 (protoize.o, unprotoize.o): ditto
1096 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1098 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1100 * config/arm/thumb.c (thumb_override_options): Add warning about
1101 PIC code not being supported just yet.
1103 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1105 * flow.c: Update comment.
1106 (notice_stack_pointer_modification): New static function.
1107 (record_volatile_insns): Use it.
1108 (mark_regs_live_at_end): Mark the stack pointer as alive
1109 at the end of the function if current_function_sp_is_unchanging
1111 (life_analysis_1): Set current_function_sp_is_unchanging.
1112 * function.c: Define it.
1113 (init_function_start): Initialize it.
1114 * output.h: Declare it.
1115 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1116 the stack pointer as alive at the end of the function if
1117 current_function_sp_is_unchanging is set.
1118 * i386.c (ix86_epilogue): Optimize the restoring
1119 of the stack pointer.
1121 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1123 * version.c: Bump for snapshot.
1125 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1127 * c-pragma.c (handle_pragma_token): If passed a token instead
1128 of a tree, use that as the pack value.
1130 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1132 * flow.c (find_basic_blocks_1): Fix prototype.
1134 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1136 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1137 (struct tree_decl): New fields no_check_memory_usage.
1138 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1139 (init_attributes): Register it as a new attribute.
1140 (decl_attributes): Set flags on functions given that attribute.
1141 * c-decl.c (duplicate_decls): Merge new attribute.
1142 * expr.h (current_function_check_memory_usage): Declare new var.
1143 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1144 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1145 current_function_check_memory_usage.
1146 * function.h: Add field to struct function.
1147 * function.c (current_function_check_memory_usage): Define it.
1148 (push_function_context_to, pop_function_context_from): Save and
1150 (expand_function_start): Set it, based on global flag and function
1153 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1154 check non-automatic variables, to permit detection of writes to
1155 read-only locations in embedded systems without memory management.
1156 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1157 when emitting chkr_set_right_libfunc call, even if the argument is
1158 BLKmode or variable-sized; don't abort.
1160 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1161 symbols in Pmode, not VOIDmode.
1163 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1165 * cppexp.c: When forcing unsigned comparisons, cast both sides
1168 * cpphash.h: Move static declaration of hashtab[]...
1169 * cpphash.c: ...here.
1171 * cpplib.c: Cast difference of two pointers to size_t before
1172 comparing it to size_t. Cast signed to unsigned
1173 before comparing to size_t. (FIXME: struct argdata should use
1174 unsigned buffer sizes.)
1175 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1176 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1177 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1178 size_t before comparison.
1180 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1182 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1183 (find_basic_blocks_1): Similarly.
1184 * output.h (find_basic_blocks): Fix prototype.
1185 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1186 find_basic_blocks anymore.
1188 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1190 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1191 (sbitmap_free, sbitmap_vector_free): New macros.
1192 * output.h (rtl_dump_file): Declare.
1194 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1196 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1198 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1200 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1202 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1203 (divide): Remove unused variable `tmp'.
1204 (si_to_float): Cast numeric constant to (SItype) before comparing
1207 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1209 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1210 * gcc.c (add_preprocessor_option): Correct typo when allocating
1211 memory, sizeof() argument had one too many `*'.
1212 (add_assembler_option): Likewise.
1213 (add_linker_option): Likewise.
1214 * gcov.c (output_data): Likewise.
1215 * local-alloc.c (memref_used_between_p): Likewise.
1216 (update_equiv_regs): Likewise.
1217 * loop.c (strength_reduce): Likewise.
1218 * reg-stack.c (record_asm_reg_life): Likewise.
1219 (subst_asm_stack_reg): Likewise.
1220 * reorg.c (dbr_schedule): Likewise.
1222 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1224 * flow.c (life_analysis_1): Break out some functions.
1225 (find_basic_blocks_1): Likewise. Also move some variables out and
1227 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1228 new static var nonlocal_label_list with it.
1229 (active_eh_region, nested_eh_region, label_value_list,
1230 nonlocal_label_list): New static variables.
1231 (make_edges, delete_unreachable_blocks, delete_block): New static
1232 functions, broken out of find_basic_blocks_1.
1233 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1234 noop_move_p): New static functions, broken out of life_analysis_1.
1236 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1238 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1239 Take extra care for op0 now possibly being a subreg.
1240 (extract_bit_field): Likewise.
1241 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1242 the reg to memory if there is no equal sized integral mode.
1243 * stor-layout.c (int_mode_for_mode): New function.
1244 * machmode.h: Prototype it.
1246 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1248 * global.c (build_insn_chain): Verify no real insns exist past the
1249 end of the last basic block, then exit the loop.
1251 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1253 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1255 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1257 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1259 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1261 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1263 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1265 * flow.c (find_basic_blocks): Correctly determine when a call
1266 is within an exception region.
1268 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1270 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1272 * cpplib.h: Protect from multiple inclusions.
1273 * cpplib.c: Fix minor formatting problems.
1275 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1277 * jump.c (jump_optimize): Revert accidental patch.
1279 * Makefile.in (cpplib.o): Use unlibsubdir.
1281 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1283 * loop.c (get_condition): Allow combine when either compare is
1286 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1288 * version.c: Bump for snapshot.
1290 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1292 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1293 (init_lex): Initialize ridpointers[RID_BYREF].
1294 * c-lex.h (enum rid): Add RID_BYREF.
1295 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1296 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1297 (encode_type_qualifiers): Similarly
1298 * c-gperf.h: Rebuilt.
1300 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1302 * c-common.c (type_for_mode): Only return TItype nodes when
1303 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1304 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1305 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1306 (init_decl_processing): Only create TItype nodes when
1307 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1308 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1309 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1311 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1313 * stmt.c (n_occurrences): New static function.
1314 (expand_asm_operands): Verify that all constrains match in the
1315 number of alternatives.
1316 Verify that '+' or '=' are at the beginning of an output constraint.
1317 Don't allow '&' for input operands.
1318 Verify that '%' isn't written for the last operand.
1319 * reload.c (find_reloads): Abort if an asm is found with invalid
1320 constraints; all possible problems ought to be checked for earlier.
1322 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1324 * flags.h (flag_branch_on_count_reg): Always declare
1325 * toplev.c (flag_branch_on_count_reg): Likewise.
1326 * toplev.c: Fix typos.
1328 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1331 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1333 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1335 (find_basic_blocks_1): Add a nop to the end of a basic block when
1336 a trailing call insn does not have abnormal control flow.
1337 * gcse.c (pre_transpout): New variable.
1338 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1339 (compute_pre_transpout): Calculate it.
1340 (compute_pre_ppinout): Use it to eliminate impossible placements
1341 due to abnormal control flow through calls.
1342 (compute_pre_data): Call compute_pre_transpout.
1344 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1346 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1348 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1350 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1351 and matching define_insns): Tack on a `use' of the table label, so
1352 flow analysis will recognize a tablejump.
1354 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1356 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1357 always end basic blocks for abnormal edge reasons.
1359 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1361 * config/i386/i386.h: Remove definition of
1362 HANDLE_PRAGMA_PACK_PUSH_POP.
1364 * config/i386/go32.h: Add definition of
1365 HANDLE_PRAGMA_PACK_PUSH_POP.
1367 * config/i386/win32.h: Add definition of
1368 HANDLE_PRAGMA_PACK_PUSH_POP.
1370 * config/i386/cygwin32.h: Add definition of
1371 HANDLE_PRAGMA_PACK_PUSH_POP.
1373 * c-pragma.c (insert_pack_attributes): Do not insert
1374 attributes unless #pragma pack(push,<n>) is in effect.
1376 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1378 * expr.c (emit_group_store): Handle a PARALLEL destination.
1380 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1382 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1383 the new insns before the argument regs are loaded.
1385 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1387 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1388 (c-parse.gperf): Update comments describing invocation flags.
1389 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1391 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1393 * reload1.c (reload): Call free before clobbering the memory
1394 locations or constants pointers.
1396 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1398 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1399 for efficiency by checking whether we need to modify the current
1400 stack permission at all.
1401 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1402 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1403 __enable_execute_stack libcall here too if
1404 TRANSFER_FROM_TRAMPOLINE is defined.
1405 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1408 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1410 * Makefile.in (DRIVER_DEFINES): Remove last change.
1412 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1414 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1415 insns we're going to copy.
1416 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1418 * loop.c (count_one_set): Add prototype.
1420 * caller-save.c (restore_referenced_regs): Lose mode argument.
1421 (insert_save): Lose mode argument.
1422 (insert_restore): Lose mode argument.
1423 (insert_one_insn): Lose mode argument.
1424 (save_call_clobbered_regs): Lose mode argument.
1425 (setup_save_areas): Take no argument and return void. All callers
1427 Don't verify validity of memory addresses.
1428 * reload.h (setup_save_ares): Adjust prototype.
1429 (save_call_clobbered_regs): Likewise.
1430 * reload1.c (delete_caller_save_insns): New function.
1431 (caller_save_spill_class): Delete variable.
1432 (caller_save_group_size): Delete variable.
1433 (reload): Call setup_save_areas and save_call_clobbered_regs
1434 in the main loop, before calling calculate_needs_all_insns.
1435 Don't call save_call_clobbered_regs after the loop.
1436 Call delete_caller_save_insns at the end of an iteration if
1438 Delete code to manage caller_save_spill_class.
1439 Emit the final note before setting reload_first_uid.
1440 Simplify test that determines whether reload_as_needed gets run.
1441 (calculate_needs): Delete code to manage caller_save_spill_class.
1443 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1445 * collect2.c (main): Initialize ld_file_name.
1447 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1449 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1450 check for flag_function_sections.
1452 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1454 * cse.c (insert_regs): Fix bug in Sep 24 change.
1456 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1458 * flags.h (flag_dump_unnumbered): Declare.
1459 * toplev.c (flag_dump_unnumbered): Don't declare.
1460 * print-rtl.c (flags.h): Include.
1461 (print_rtl_single): Add return value.
1462 * rtl.h (print_rtl_single): Update declaration.
1463 * flow.c (flag_dump_unnumbered): Don't declare.
1464 (print_rtl_with_bb): Use return value of print_rtl_single.
1466 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1468 * loop.c (count_one_set): New static function, broken out of
1470 (count_loop_regs_set): Call it.
1471 * global.c (mark_reg_store): Handle clobbers here by not calling
1473 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1474 is in fact a clobber.
1475 * integrate.c (process_reg_param): New function, broken out of
1476 expand_inline_function.
1477 (expand_inline_function): Call it.
1480 * i386.md (addsidi3_1): Delete unused variable temp.
1481 (addsidi3_2): Likewise.
1482 (clstrstrsi): Delete unused variable addr1.
1484 * rtl.h: Don't declare any functions also declared in recog.h.
1486 * Makefile.in (stupid.o): Update dependencies.
1487 (global.o): Likewise.
1489 * global.c: Include reload.h
1490 (reg_becomes_live): New function.
1491 (reg_dies): New function.
1492 (build_insn_chain): New function.
1493 (global_alloc): Call build_insn_chain before calling reload.
1495 * reload.h (struct needs): New structure definition.
1496 (struct insn_chain): Likewise.
1497 (reload_insn_chain): Declare variable.
1498 (new_insn_chain): Declare function.
1501 * reload1.c (reload_startobj): New variable.
1502 (reload_insn_chain): New variable.
1503 (unused_insn_chains): New variable.
1504 (new_insn_chain): New function.
1505 (init_reload): Initialize reload_startobj, not reload_firstobj.
1506 (reload): Initialize reload_firstobj.
1507 Before returning, free everything on the reload_obstack.
1509 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1510 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1511 current_chain): New variables.
1512 (reg_where_born): Delete variable.
1513 (REG_WHERE_BORN): New macro.
1514 (find_clobbered_regs): New function.
1515 (stupid_life_analysis): Don't allocate/free reg_where_born.
1516 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1517 reg_where_dead_chain.
1518 Use REG_WHERE_BORN instead of reg_where_born.
1519 While processing the insns, build the reload_insn_chain with
1520 information about register lifetimes.
1521 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1522 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1524 Compute and information about birth and death of pseudo registers in
1525 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1526 Delete code to set elements of reg_where_born.
1528 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1530 * tree.def (GOTO_EXPR): Modified documentation.
1531 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1534 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1536 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1537 loop_final_value, loop_comparison_code): No longer static.
1538 (unroll_loop): Delete loop_start_value update.
1539 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1540 loop_final_value, loop_comparison_code): Extern.
1541 (loop_start_value): Delete extern.
1542 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1543 loop_comparison_value, loop_comparison_code): Delete.
1544 (loop_optimize): Remove initialization for deleted variables.
1545 (strength_reduce): Delete analyze_loop_iterations call. Only call
1546 insert_bct if flag_branch_count_on_reg set.
1547 (analyze_loop_iterations): Delete.
1548 (insert_bct): Remove iteration count calculation. Move checks for
1549 viable BCT optimization to here. Obtain iteration count from
1550 loop_iterations and correct for unrolling. Check for enough
1551 iteration to be beneficial. Comment out runtime iteration count
1553 (insert_bct): Print iteration count in dump file. Remove
1554 loop_var_mode and use word_mode directly.
1556 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1557 * rs6000.c (rs6000_override_options): Use it.
1558 (optimization_options): Enable use of flag_branch_on_count_reg.
1559 * rs6000.md (define_function_unit): Describe 604e.
1561 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1563 * loop.c (move_movables): Corrected threshold calculation for
1564 moved_once registers.
1566 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1568 * loop.c (combine_givs_p): Fix test for identical givs.
1570 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1572 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1573 call abort if the function is already defined.
1575 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1577 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1578 truncation is not a no-op.
1580 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1582 * version.c: Bump for snapshot.
1584 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1586 * version.c: Bump for snapshot.
1588 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1590 * expmed.c (expand_divmod): Don't widen for computing remainder
1591 if we seem to have a divmod pattern for needed mode.
1593 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1595 * cpplib.c (macroexpand): Correct off-by-one error in handling
1598 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1600 * combine.c (expand_field_assignment): Don't do bitwise operations
1601 on MODE_FLOAT; pun to MODE_INT if possible.
1603 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1604 scott snyder <snyder@d0sgif.fnal.gov>
1606 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1607 linker. Recognize mangled names in quotes.
1609 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1611 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1612 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1613 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1614 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1616 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1618 * function.c (purge_addressof_1): If trying to take a sub-word
1619 integral piece of a floating point mode, put it on the stack.
1621 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1623 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1625 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1627 * PROJECTS: Remove template friends.
1629 * collect2.c (sort_ids): Remove unused variable.
1631 * tm.texi (MATH_LIBRARY): Document.
1632 (NEED_MATH_LIBRARY): Remove.
1634 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1635 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1637 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1639 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1640 last_end to 0x7fffffff.
1642 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1644 * function.c (purge_addressof_1): Do not perform endianness
1645 corrections on bitpos, who we call will do it for us.
1647 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1649 * h8300.c (WORD_REG_USED): Fix typo.
1650 (initial_offset): Use WORD_REG_USED.
1652 * h8300.c (handle_pragma): Fix typo.
1654 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1656 * caller-save.c (insert_save_restore): Break this function up
1657 into new functions insert_restore, insert_save and insert_one_insn.
1658 All callers changed.
1659 (insert_restore): New function, mostly broken out of
1660 insert_save_restore.
1661 (insert_save): Likewise.
1662 (insert_one_insn): Likewise.
1663 (restore_referenced_regs): New argument BLOCK. All callers changed.
1664 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1665 in this function, do it in insert_one_insn instead.
1667 * reload1.c (reload): Break out some more pieces into separate
1669 (dump_needs): New function, broken out of reload.
1670 (set_initial_elim_offsets): Likewise.
1671 (init_elim_table): Likewise.
1672 (update_eliminables): Likewise.
1674 * global.c (global_alloc): Delete code to manage the scratch_list.
1675 * local-alloc.c (qty_scratch_rtx): Delete.
1676 (scratch_block): Delete.
1677 (scratch_list): Delete.
1678 (scratch_list_length): Delete.
1679 (scratch_index): Delete.
1680 (alloc_qty_for_scratch): Delete.
1681 (local-alloc): Update initialization of max_qty.
1682 Delete code to manage the scratch list.
1683 Delete code to allocate/initialize qty_scratch_rtx.
1684 (block_alloc): Don't allocate quantities for scratches.
1685 Delete code to manage the scratch list.
1686 * regs.h (scratch_list): Delete declaration.
1687 (scratch_block): Delete declaration.
1688 (scratch_list_length): Delete declaration.
1689 * reload1.c (reload): Delete code to manage the scratch list.
1690 (spill_hard_reg): Likewise.
1691 (mark_scratch_live): Delete.
1693 * recog.c (alter_subreg): Delete declaration.
1695 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1697 * Makefile.in (cccp.o): Fix typo in last patch.
1699 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1701 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1702 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1704 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1706 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1707 NULL_RTX as an argument.
1709 * Makefile.in (unlibsubdir): Define.
1710 (DRIVER_DEFINES): Use unlibsubdir.
1711 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1712 (stmp-fixinc): Similarly.
1714 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1716 * regmove.c (regmove_optimize): Add variable old_max_uid.
1717 At the end of the function, update basic_block_end.
1719 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1721 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1722 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1725 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1727 * config/arm/arm.c: Improve interworking support.
1729 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1731 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1732 copied from reload_out[r] .
1734 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1736 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1737 with more than three size ranges.
1739 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1741 * rtl.c (mode_name): Add a null string at the end of the array.
1742 (mode_wider_mode): Change type to unsigned char.
1743 (mode_mask_array): New variable.
1744 (init_rtl): Update for mode_wider_mode type change.
1746 * rtl.h (mode_wider_mode): Change type to unsigned char.
1747 (mode_mask_array): Declare.
1748 (GET_MODE_MASK): Use mode_mask_array.
1750 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1752 * calls.c (expand_call) : Encapsulate code into
1753 copy_blkmode_from_reg.
1754 * expr.c (copy_blkmode_from_reg): New function.
1755 * expr.h (copy_blkmode_from_reg): New function.
1756 * integrate.c (function_cannot_inline_p): We can inline
1758 (expand_inline_function): Use copy_blkmode_from_reg
1759 if needed. Avoid creating BLKmode REGs.
1760 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1763 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1765 * config/v850/v850.c: Add function prototypes.
1766 Add support for v850 special data areas.
1768 * config/v850/v850.h: Add support for v850 special data areas.
1770 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1771 HANDLE_PRAGMA_PACK_PUSH_POP.
1772 (push_alignment): New function: Cache an alignment requested
1773 by a #pragma pack(push,<n>).
1774 (pop_alignment): New function: Pop an alignment from the
1776 (insert_pack_attributes): New function: Generate __packed__
1777 and __aligned__ attributes for new decls whilst a #pragma pack
1779 (add_weak): New function: Cache a #pragma weak directive.
1780 (handle_pragma_token): Document calling conventions. Add
1781 support for #pragma pack(push,<n>) and #pragma pack (pop).
1783 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1784 are defined enable HANDLE_PRAGMA_PACK.
1785 Move 'struct weak_syms' here (from varasm.c).
1786 Add pragma states for push and pop pragmas.
1788 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1791 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1792 HANDLE_GENERIC_PRAGMAS.
1794 * varasm.c: Move definition of 'struct weak_syms' into
1796 (handle_pragma_weak): Deleted.
1798 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1800 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1802 * c-decl.c (start_function): Add invocation of
1803 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1805 * tm.texi: Remove description of non-existant macro
1806 SET_DEFAULT_SECTION_NAME.
1808 (HANDLE_SYSV_PRAGMA): Document.
1809 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1811 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1813 * config.sub: Recognize i[34567]86-pc-udk as new target.
1814 * configure.in: Likewise.
1815 * config/i386/t-udk: New file.
1816 * config/i386/udk.h: New file.
1818 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1820 * reorg.c (check_annul_list_true_false): Remove unused variables.
1821 (steal_delay_list_from_target): Add missing "used_annul" variable.
1822 (try_merge_delay_insns): Close out half formed comment.
1824 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1826 * cpplib.c (macroexpand): If arg->raw_before or
1827 arg->raw_after, remove any no-reexpansion escape at the
1828 beginning of the pasted token. Correct handling of whitespace
1829 markers and no-reexpand markers at the end if arg->raw_after.
1831 * toplev.c (documented_lang_options): Recognize -include,
1832 -imacros, -iwithprefix, -iwithprefixbefore.
1833 * cpplib.c (cpp_start_read): Process -imacros and -include
1834 switches at the same time and in command-line order, after
1835 initializing the dependency-output code. Emit properly nested
1836 #line directives for them. Emit a #line for the main file
1837 before processing these switches, and don't do it again
1840 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1842 * function.c (purge_addressof_1): Use bitfield manipulation
1843 routines to handle mem mode < reg mode.
1845 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1847 * reorg.c (try_merge_delay_insns): Account for resources referenced
1848 in each instruction in INSN's delay list before trying to eliminate
1849 useless instructions. Similarly when looking at a trial insn's delay
1852 * reorg.c (check_annul_list_true_false): New function.
1853 (steal_delay_list_from_{target,fallthrough}): Call it and also
1854 refine tests for when we may annul if already filled a slot.
1855 (fill_slots_from_thread): Likewise.
1856 (delete_from_delay_slot): Return newly-created thread.
1857 (try_merge_delay_isns): Use its new return value.
1859 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1861 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1862 used to compute a giv or as some other non-counting use.
1864 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1866 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1867 * local-alloc.c (find_free_reg): Use it.
1868 * global.c (find_reg): Likewise.
1869 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1871 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1872 * caller-save.c (init_caller_save): Use it.
1873 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1875 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1877 * configure.in: Add --enable-cpplib option which uses cpplib
1878 for cpp, but doesn't link cpplib into cc1. Make help text
1879 capitalization consistent.
1880 * configure: Rebuilt.
1882 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1884 * function.c (gen_mem_addressof): If the address REG is
1885 REG_USERVAR_P make the new REG be so also.
1886 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1887 in an attempt to clarify slightly.
1889 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
1891 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
1892 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
1894 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
1896 * toplev.c: Fix last patch.
1898 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
1900 * loop.c (get_condition): Fix typo in May 9 change.
1902 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1904 * invoke.texi (-fexceptions): Merge 2 different descriptions.
1906 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1908 * toplev.c (documented_lang_options): Spelling corrections.
1910 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1912 * configure.in: new flags --with-ld and --with-as, equivalent
1913 to setting LD and AS environment variables. Test whether
1914 specified arguments are GNU commands, and report them with
1915 checking messages. Use the specified AS for configure
1918 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
1920 * gcc.c (find_a_file): when looking for `as' and `ld', return
1921 the DEFAULT program if it exists
1922 * collect2.c (main): use DEFAULT_LINKER if it exists
1924 * gcc.c (find_a_file): the test for existence of a full
1925 pathname was reversed
1927 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
1929 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
1930 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
1932 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
1934 * tree.h (TYPE_BINFO): Document.
1936 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
1938 * i386-coff.h (dbxcoff.h): Added.
1940 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
1942 * toplev.c: fix bad patch around flag_data_sections.
1944 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
1946 * reload1.c (reload): Use reload_address_index_reg_class and
1947 reload_address_base_reg_class when setting
1948 caller_save_spill_class. (Patch generated by Jim Wilson:
1951 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
1953 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
1954 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
1955 * expr.c (store_field): Add alias_set parameter. Set the
1956 MEM_ALIAS_SET accordingly, if the target is a MEM.
1957 (expand_assignment): Use it.
1958 (store_constructor_field): Pass 0.
1959 (expand_expr): Likewise.
1961 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
1963 * flags.h: Add flag_data_sections.
1964 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
1965 (compile_file): Error if flag_data_sections not supported.
1966 * varasm.c (assemble_variable): Handle flag_data_sections.
1967 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
1968 * config/mips/elf.h: Likewise.
1969 * config/mips/elf64.h: Likewise.
1970 * invoke.texi: Describe -fdata-sections.
1972 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
1974 * invoke.texi (-ffloat-store): Clarify that this option
1975 does not affect intermediate results -- only variables.
1977 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
1979 * cpp.texi: Update for Fortran usage from Craig.
1981 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1983 * rs6000.c (function_arg_boundary): Revert accidental change on
1986 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
1988 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
1989 (output_mi_thunk): Declare.
1991 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
1992 (output_function_profiler): Use r12 for temp, instead of r11 so
1993 that we preserve the static chain register.
1995 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
1997 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
1999 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2001 * sh.c (gen_shl_sext): Fix case 5.
2003 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2005 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2007 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2009 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2010 accessing variables until they are initialized via va_arg().
2012 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2014 * reload1.c (reload_combine): Initialize set before using.
2016 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2018 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2021 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2023 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2024 operand3 with mask before using it. Patch provided by Jim Wilson.
2026 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2028 * config/sparc/sparc.c (function_value): Perform the equivalent of
2029 PROMOTE_MODE for ARCH64.
2030 (eligible_for_epilogue_delay): Allow DImode operations in delay
2031 slot of a return for ARCH64.
2033 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2035 * sh.md (sqrtsf2): Fix mode of sqrt.
2037 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2039 * reload1.c (choose_reload_regs): Also try inheritance when
2040 reload_in is a stack slot of a pseudo, even if we already got a
2043 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2045 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2046 (reload_cse_regs): New function body: call reload_cse_regs_1,
2047 reload_combine, reload_cse_move2add.
2048 When doing expensive_optimizations, call reload_cse_regs_1 a
2049 second time after reload_cse_move2add.
2050 (reload_combine, reload_combine_note_store): New functions.
2051 (reload_combine_note_use): New function.
2052 (reload_cse_move2add, move2add_note_store): New functions.
2054 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2056 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2057 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2059 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2060 more than 3 such reloads.
2062 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2063 RELOAD_FOR_X_ADDR_ADDR reload.
2065 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2067 * expr.c (store_constructor): When initializing a field that is smaller
2068 than a word, at the start of a word, try to widen it to a full word.
2070 * cse.c (cse_insn): When we are about to change a register,
2071 remove any invalid references to it.
2073 (remove_invalid_subreg_refs): New function.
2074 (mention_regs): Special treatment for SUBREGs.
2075 (insert_regs): Don't strip SUBREG for call to mention_regs.
2076 Check if reg_tick needs to be bumped up before that call.
2077 (lookup_as_function): Try to match known word_mode constants when
2078 looking for a norrower constant.
2079 (canon_hash): Special treatment for SUBREGs.
2081 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2083 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2084 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2085 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2086 and offsets in actual stack trampoline code so they match the
2087 commentary and actually work.
2089 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2091 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2093 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2094 tmake_file. Set extra_parts to needed crt objects.
2095 * configure: Rebuilt.
2096 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2097 (TARGET_DEFAULT): Set if default is v9 or ultra.
2098 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2099 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2100 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2101 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2102 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2103 (TARGET_VERSION): Define.
2104 (MULTILIB_DEFAULT): Define.
2105 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2106 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2107 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2109 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2110 * config/sparc/sparc.c (sparc_override_options): If arch and
2111 pointer size disagree, emit diagnostic and fix it up. If
2112 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2113 V8PLUS in 64-bit mode.
2114 * config/sparc/t-linux64: New file.
2115 * config/sparc/t-sol2-64: New file.
2116 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2117 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2118 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2119 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2120 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2121 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2123 (STARTFILE_SPEC): Set approriately based upon those.
2124 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2125 disposition of DEFAULT_ARCH32_P.
2126 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2127 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2128 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2129 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2130 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2132 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2134 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2136 * rtl.h (init_virtual_regs): New function.
2137 * emit-rtl.c (init_virtual_regs): Define.
2138 (insn_emit): Use it.
2139 * integrate.c (save_for_inline_copying): Likewise.
2141 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2143 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2144 (enum reg_class): Add NONARG_LO_REGS support.
2145 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2146 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2147 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2148 completes. Re-enable HImode REG+OFFSET addresses.
2149 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2151 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2153 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2155 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2156 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2157 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2159 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2161 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2162 jumps as a single entity, taking into account the size of the
2165 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2167 * tree.def (SWITCH_EXPR): New tree node definition.
2169 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2171 * version.c: Bump for snapshot.
2173 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2175 * version.c: Bump for snapshot.
2177 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2179 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2182 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2184 * Revert this patch.
2185 * reload.c (find_reloads): Do not replace a pseudo with
2186 (MEM (reg_equiv_addr)) in the initializing insn for the
2189 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2191 * final.c (final_scan_insn): Disable tracking CC across branches.
2193 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2195 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2196 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2197 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2198 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2199 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2201 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2203 * toplev.c (rest_of_compilation): Skip compiling anything with
2204 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2206 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2208 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2209 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2210 use in_libcall_block.
2211 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2212 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2215 Mon Sep 21 14:02:23 1998
2217 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2218 typo in no-fancy-math-387 description.
2220 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2222 * version.c: Bump for snapshot.
2224 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2226 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2228 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2230 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2231 documented in install.texi.
2232 (TARGET_OPTIONS) Likewise.
2234 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2236 * version.c: Bump for snapshot.
2238 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2240 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2241 * cccp.c (main): Likewise.
2243 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2244 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2247 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2249 * Makefile.in (LIBS): Link in libiberty.a.
2250 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2252 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2254 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2255 it to update bb boundaries. Update caller.
2256 * function.c (reposition_prologue_and_epilogue_notes): Update
2257 bb boundaries wrt the moved note.
2259 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2261 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2263 * configure: Regenerate.
2265 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2267 * alpha.c (alpha_sr_alias_set): New variable.
2268 (override_options): Set it.
2269 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2270 (mode_mask_operand): Fix signed-unsigned comparision warning.
2271 (alpha_expand_block_move): Likewise.
2272 (print_operand): Likewise.
2273 (get_aligned_mem): Use change_address.
2274 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2275 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2276 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2277 (alpha_align_insns): Remade from old alphaev5_align_insns
2278 to handle multiple processors.
2279 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2280 * output.h (label_to_alignment): Prototype.
2282 * tree.c (new_alias_set): New function.
2283 * tree.h (new_alias_set): Declare it.
2284 * c-common.c (c_get_alias_set): Use it.
2286 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2288 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2289 to an ABS expr, convert an unsigned input to signed.
2291 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2293 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2295 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2297 * configure.in: Add support for c4x targets.
2298 * configure: Rebuilt.
2300 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2302 * combine.c (distribute_notes): If an insn is a cc0 user, only
2303 delete it if we can also delete the cc0 setter.
2305 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2307 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2308 (invert_truthvalue): Enable truthvalue inversion for
2309 floating-point operands if -ffast-math.
2311 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2313 * configure.in: Disable collect2 for nextstep. Instead use
2315 * configure: Rebuilt.
2316 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2317 (ENDFILE_SPEC): Define.
2318 (OBJECT_FORMAT_MACHO): Define.
2319 (EH_FRAME_SECTION_ASM_OP): Define.
2320 * crtstuff.c: Handle MACHO.
2322 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2324 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2326 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2328 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2329 (_fpadd_parts): Get sign right for 0.
2331 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2333 * ginclude/varargs.h: Add support for C4x target.
2334 * ginclude/stdargs.h: Likewise.
2336 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2338 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2339 (alpha_emit_set_long_const): Rewrite to be callable from reload
2341 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2342 * alpha.md (movdi): Likewise.
2344 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2346 * arm.c (add_constant): New parameter address_only, change caller.
2347 Set it non-zero if taking the address of an item in the pool.
2348 (arm_reorg): Handle cases where we need the address of an item in
2351 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2353 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2354 memory addresses that are not in standard canonical form.
2356 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2358 * README.C4X: New file with information about the c4x ports.
2359 * ginclude/va-c4x.h: New file for c4x varargs support.
2360 * config/c4x: New directory with c4x port files.
2362 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2364 * reload.c (find_reloads): Do not replace a pseudo with
2365 (MEM (reg_equiv_addr)) in the initializing insn for the
2368 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2370 * toplev.c (rest_of_compilation): Set bct_p on second call to
2372 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2374 (strength_reduce): Only call analyze_loop_iterations and
2375 insert_bct if bct_p set.
2376 (check_dbra_loop): Fix typo.
2377 (insert_bct): Use word_mode instead of SImode.
2378 (instrument_loop_bct): Likewise. Do not delete iteration count
2379 condition code generation insn. Initialize iteration count before
2381 * rtl.h (loop_optimize): Update prototype.
2383 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2384 not doubleword aligned.
2386 * rs6000.c (optimization_options): New function.
2387 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2388 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2389 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2390 first; cr1 can be used for FP record condition insns.
2392 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2394 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2397 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2400 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2402 (block_move_call): New function: Call a library routine to copy a
2404 (m32r_expand_block_move): New function: Expand a "movstrsi"
2405 pattern into a sequence of insns.
2406 (m32r_output_block_move): New function: Expand a
2407 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2408 (m32r_block_immediate_operand): New function: Return true if the
2409 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2411 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2413 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2415 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2417 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2419 * regmove.c (copy_src_to_dest): Check that modes match.
2421 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2423 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2425 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2427 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2428 narrower than FLOAT_REGS.
2430 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2432 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2434 * Makefile.in (old_gxx_include_dir): removed
2436 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2438 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2441 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2442 (sh_handle_pragma): Change function arguments to match new
2443 specification for HANDLE_PRAGMA.
2445 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2447 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2449 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2450 When generating output, initialize missing struct member to zero.
2452 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2454 * regmove.c (copy_src_to_dest): Don't copy if that requires
2455 (a) new register(s).
2457 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2459 * global.c (reg_allocno): Now static.
2460 * reload1.c (reg_allocno): Delete declaration.
2461 (order_regs_for_reload): Take no arguments. Don't treat regs
2462 allocated by global differently than those allocated by local-alloc.
2464 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2466 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2467 condition, fix format strings.
2468 (output_function_epilogue): Likewise.
2470 * m68k/m68k.c: Don't include <stdlib.h> directly.
2472 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2474 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2475 mem_first_set, mem_last_set; because 0 can be a CUID.
2476 (oprs_unchanged_p): Use new definition.
2477 (record_last_reg_set_info): Likewise.
2478 (record_last_mem_set_info): Likewise.
2479 (compute_hash_table): Likewise.
2481 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2483 * rs6000.c (output_epilogue): Handle Chill.
2485 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2486 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2488 * combine.c (make_extraction): If no mode is specified for
2489 an operand of insv, extv, or extzv, default it to word_mode.
2490 (simplify_comparison): Similarly.
2491 * expmed.c (store_bit_field): Similarly.
2492 (extract_bit_field): Similarly.
2493 * function.c (fixup_var_regs_1): Similarly.
2494 * recog.c (validate_replace_rtx_1): Similarly.
2495 * mips.md (extv, extzv, insv expanders): Default modes for most
2496 operands. Handle TARGET_64BIT.
2497 (movdi_uld, movdi_usd): New patterns.
2499 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2500 equivalent memory location unless we have been provided a scratch
2501 register. Similarly do not call find_replacement unless a
2502 scratch register has been provided.
2504 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2506 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2509 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2511 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2512 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2513 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2514 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2515 * c-decl.c (init_decl_processing): Update accordingly.
2516 * expr.c (expand_builtin): Likewise.
2518 * rtl.h (global_rtl): Add cfa entry.
2519 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2520 (LAST_VIRTUAL_REGISTER): Update.
2521 * emit-rtl.c (global_rtl): Add cfa entry.
2522 (init_emit): Initialize it.
2523 * function.c (cfa_offset): New.
2524 (instantiate_virtual_regs): Initialize it.
2525 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2526 (expand_function_end): Call expand_eh_return.
2527 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2529 * except.c (current_function_eh_stub_label): Kill.
2530 (current_function_eh_old_stub_label): Likwise; update all references.
2531 (expand_builtin_set_return_addr_reg): Kill.
2532 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2533 (expand_builtin_set_eh_regs): Kill.
2534 (eh_regs): Produce a third reg for the actual handler address.
2535 (eh_return_context, eh_return_stack_adjust): New.
2536 (eh_return_handler, eh_return_stub_label): New.
2537 (init_eh_for_function): Initialize them.
2538 (expand_builtin_eh_return, expand_eh_return): New.
2539 * except.h: Update prototypes.
2540 * flow.c (find_basic_blocks_1): Update references to the stub label.
2541 * function.h (struct function): Kill stub label elements.
2543 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2544 register number is one that would be in the previous window.
2545 Provide a dummy definition for non-windowed targets.
2546 (get_reg_addr): New function.
2547 (get_reg, put_reg, copy_reg): Use it.
2548 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2549 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2551 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2552 (alpha_init_expanders): Initialize it.
2553 (alpha_expand_epilogue): Use it.
2554 * alpha.h: Declare it.
2555 * alpha.md (eh_epilogue): New.
2557 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2558 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2560 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2562 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2565 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2567 * except.h (struct eh_entry): Add false_label field.
2568 (end_catch_handler): Add prototype.
2569 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2570 (start_catch_handler): When using old style exceptions, issue
2571 runtime typematch code before continuing with the handler.
2572 (end_catch_handler): New function, generates label after handler
2573 if needed by older style exceptions.
2574 (expand_start_all_catch): No need to check for new style exceptions.
2575 (output_exception_table_entry): Only output the first handler label
2576 for old style exceptions.
2577 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2578 mechanism into one function, if a runtime matcher is provided.
2580 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2582 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2584 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2586 * integrate.c (copy_decl_list): Fix typo.
2588 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2590 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2593 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2595 * version.c: Bump for snapshot.
2597 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2599 * version.c: Bump for snapshot.
2601 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2603 * version.c: Bump for snapshot.
2605 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2607 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2609 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2611 * configure.in: remove usage of `!' to negate the result of a
2612 command; some common shells do not support it
2614 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2616 * configure.in: in sparc9-sol2 config, use 'if test' not
2618 * configure: Rebuilt.
2620 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2622 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2623 (CPP_CPU_DEFAULT_SPEC): Likewise.
2624 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2625 for arch64 libfuncs.
2627 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2630 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2632 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2634 * collect2.c: Don't declare `sys_siglist' here.
2635 (my_strsignal): Prototype and define new function. Use it in
2636 place of `sys_siglist' hacks.
2638 * mips_tfile.c: Likewise.
2640 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2641 (GCC_NEED_DECLARATIONS): Likewise.
2643 * system.h (strsignal): Prototype it, if necessary.
2644 (sys_siglist): Declare it, if necessary.
2646 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2648 * loop.c (move_movables): While removing insn sequences, preserve
2649 the next pointer of the most recently deleted insn when we skip
2652 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2654 * objc/config-lang.in: Do not output the name of the selected
2655 thread file when building the front-end. The Makefile for the
2656 runtime library will do this.
2658 * objc/Make-lang.in: Do not build the runtime library or install
2659 the Objective C header files. The Makefile for the runtime
2660 library will do this.
2662 * objc/Makefile.in (all.indirect): Only build the front-end.
2663 (compiler): Rename to `frontend'.
2664 (obj-runtime): Remove target.
2665 (copy-headers): Likewise.
2666 (clean): No need to remove `libobjc.a' any longer.
2668 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2670 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2671 supported with -mcpu=xxx.
2673 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2675 * flow.c (mark_set_1): Recognize multi-register structure return
2676 values in CALL insns.
2677 (mark_used_regs): Likewise.
2678 (count_reg_sets_1): Likewise.
2679 (count_reg_references): Likewise.
2680 * rtlanal.c (note_stores): Likewise.
2681 (reg_overlap_mentioned_p): Likewise.
2682 * haifa-sched.c (check_live_1): Likewise.
2683 (update_live_1): Likewise.
2684 (sched_analyze_1): Likewise.
2685 (sched_note_set): Likewise.
2686 (birthing_insn_p): Likewise.
2687 (attach_deaths): Likewise.
2689 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2692 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2694 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2696 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2698 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2700 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2702 * configure.in: Add check for GAS subsection -1 support.
2703 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2704 * configure config.in: Rebuilt.
2705 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2706 SImode is subsection -1 works, else use DImode.
2707 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2708 subsection -1 works.
2709 * config/sparc/sparc.c (sparc_output_addr_vec,
2710 sparc_output_addr_diff_vec): Use them if defined.
2712 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2714 * tree.h (DECL_ORIGIN): New macro.
2715 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2716 (copy_decl_list): Use it.
2717 (integrate_parm_decls): Likewise.
2718 (integrate_decl_tree): Likewise.
2719 * dwarf2out.c (decl_ultimate_origin): Simplify.
2720 * dwarfout.c (decl_ultimate_origin): Likewise.
2721 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2722 (pushdecl): Likewise.
2724 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2726 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2728 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2730 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2732 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2734 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2735 empty or has a single entry.
2737 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2738 before calling reg_to_stack.
2740 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2742 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2743 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2745 * c-tree.h (warn_long_long): Declare it.
2747 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2749 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2750 initialized float-int union if the value is a NaN.
2752 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2754 * c-lex.c (real_yylex): Don't warn about long long constants if
2755 we're allowing long long
2757 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2759 * except.h (current_function_eh_stub_label): Declare.
2760 (current_function_eh_old_stub_label): Declare.
2761 * function.h (struct function): New members eh_stub_label and
2763 * except.c (current_function_eh_stub_label): New variable.
2764 (current_function_eh_old_stub_label): New variable.
2765 (init_eh_for_function): Clear them.
2766 (save_eh_status): Save them.
2767 (restore_eh_status): Restore them.
2768 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2769 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2770 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2771 make an edge from the block that contains it to the block starting
2772 with the label if this label is one of the eh stub labels.
2773 If eh stub labels exist, show they are reachable from the last block
2776 * reload1.c (reload): Break out several subroutines and make some
2778 (calculate_needs_all_insns): New function, broken out of reload.
2779 (calculate_needs): Likewise.
2780 (find_reload_regs): Likewise.
2781 (find_group): Likewise.
2782 (find_tworeg_group): Likewise.
2783 (something_needs_reloads): New global variable, formerly in reload.
2784 (something_needs_elimination): Likewise.
2785 (caller_save_spill_class): Likewise.
2786 (caller_save_group_size): Likewise.
2787 (max_needs): Likewise.
2788 (group_size): Likewise.
2789 (max_groups): Likewise.
2790 (max_nongroups): Likewise.
2791 (group_mode): Likewise.
2792 (max_needs_insn): Likewise.
2793 (max_groups_insn): Likewise.
2794 (max_nongroups_insn): Likewise.
2795 (failure): Likewise.
2797 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2799 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2801 * loop.c (load_mems): Copy rtx for output mem.
2803 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2805 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2806 mips1 or mips2 either.
2808 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2810 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2812 (pa_adjust_insn_length): Update to work with new marking scheme
2813 for jumps inside switch tables.
2814 * pa.md (switch_jump): Remove pattern.
2815 (jump): Handle jumps inside jump tables.
2817 * Makefile.in (profile.o): Depend on insn-config.h
2819 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2821 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2823 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2825 Add preliminary native sparcv9 Solaris support.
2826 * configure.in: Recognize sparv9-*-solaris2*
2827 * configure: rebuilt
2828 * config.sub: Recognize sparcv9 just like sparc64.
2829 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2830 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2831 32-bit and 64-bit Solaris systems.
2832 * config/sparc/t-sol2: Assemble those with cpp.
2833 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2834 (*TF*_LIBCALL): If ARCH64 use V9 names.
2835 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2837 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2839 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2840 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2842 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2844 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2845 to Pmode if CASE_VECTOR_MODE is something else.
2847 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2849 * prefix.c (update_path): Correctly handle cases where PATH is
2850 a substring of the builtin prefix, but specifies a different
2853 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2855 * expr.c: Corrected comment about what MOVE_RATIO does.
2856 * config/alpha/alpha.h: Ditto.
2857 * config/1750a/1750a.h: Ditto.
2858 * config/clipper/clipper.h: Ditto.
2859 * config/i386/i386.h: Ditto.
2861 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2863 * configure.in (m68k-next-nextstep3*): Use collect2.
2864 Similarly for x86 NeXT configurations.
2865 * configure: Rebuilt.
2867 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2869 * configure.in: Don't assume srcdir is .../gcc
2870 * configure: Rebuilt.
2872 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2874 * global.c: Update comments.
2875 (global_alloc): Assign allocation-numbers
2876 even for registers allocated by local_alloc in case
2877 they are later spilled and retry_global_alloc is called.
2878 (mark_reg_store, mark_reg_clobber,
2879 mark_reg_conflicts, mark_reg_death): Always record a
2880 conflict with a pseudo register even if it has been
2881 assigned to a hard register.
2882 (dump_conflicts): Don't list pseudo registers already assigned to
2883 a hard register as needing to be allocated, but do list their
2885 * local-alloc.c: Update comment.
2887 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2889 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2890 * configure: Rebuilt.
2892 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
2894 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
2896 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
2897 for all targets that set -msoft-float.
2899 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2901 * toplev.c (print_switch_values): Make static to match prototype.
2903 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
2905 * configure.in: If we are unable to find the "gnatbind" program,
2906 then do not configure the ada subdir.
2907 * configure: Rebuilt.
2909 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
2911 * version.c: Bump for snapshot.
2913 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
2915 * version.c: Bump for snapshot.
2917 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2919 * Makefile.in (toplev.o): Depend on $(EXPR_H).
2920 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
2922 * gansidecl.h: Define ATTRIBUTE_NORETURN.
2924 * genattrtab.c: Have insn-attrtab.c include toplev.h.
2926 * genextract.c: Have insn-extract.c include toplev.h.
2928 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
2930 * toplev.c: Include expr.h.
2931 (really_sorry, fancy_abort): Remove prototypes.
2932 (set_target_switch): Add argument in prototype.
2933 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
2934 (v_really_sorry): Likewise.
2935 (print_version, print_single_switch, print_switch_values): Make
2936 static and add prototype arguments.
2937 (decl_printable_name): Add prototype arguments.
2938 (lang_expand_expr_t): New typedef.
2939 (lang_expand_expr): Declare as a lang_expand_expr_t.
2940 (incomplete_decl_finalize_hook): Add prototype argument.
2941 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
2942 (botch): Likewise for variable `s'.
2943 (rest_of_type_compilation): Mark variables `type' and `toplev'
2944 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
2945 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
2946 (display_help): Make variable `i' an `unsigned long'.
2947 (main): Remove unused parameter `envp'.
2948 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
2949 Cast -1 when comparing it with a `size_t'.
2951 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
2952 prototype with ATTRIBUTE_NORETURN.
2953 (fatal_insn_not_found, fatal_insn, really_sorry,
2954 push_float_handler, pop_float_handler): Add prototypes.
2955 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
2956 (do_abort, botch): Add prototypes.
2958 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
2960 * final.c (final): If a label is reached only from a single jump,
2961 call NOTICE_UPDATE_CC on the jump and its predecessor before
2962 emitting the insn after the label.
2964 * i386.h: Add AMD K6 support.
2965 Change TARGET_* macros to use table lookup.
2966 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
2967 (ADJUST_COST): Change definition to call function in i386.c.
2968 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
2969 * i386.c: Add AMD K6 support.
2970 Add constants for feature tests used by TARGET_* macros.
2971 (split_di): If before reload, call gen_lowpart and gen_highpart.
2972 (x86_adjust_cost): New function.
2973 (put_jump_code): New function.
2974 (print_operand): New codes 'D' and 'd'.
2975 * i386.md: New insn types. New insn attribute "memory".
2976 Redefine scheduling parameters to use new types and add AMD K6
2977 support. Explicitly set type of most insns.
2978 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
2979 Pro and K6 prefer movl $1,reg to incl reg.
2980 (adddi3, subdi3): Set cc_status.
2981 (DImode shift patterns): Change label counters from HOST_WIDE_INT
2982 to int; x86 can't have more than 2^31 DImode shifts per file.
2983 (setcc): Combine all setcc patterns. Allow writing memory.
2984 Combine all jump patterns using match_operator.
2985 (*bzero): Name pattern. Emit mutliple stos instructions when that
2986 is faster than rep stos.
2987 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
2990 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
2992 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
2995 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
2997 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
2998 not whatever we're generating now.
3000 * alpha.c (set_frame_related_p, FRP): New.
3001 (alpha_expand_prologue): Mark frame related insns.
3002 (alpha_expand_epilogue): Likewise, but with a null FRP.
3003 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3004 * alpha.md (exception_receiver): New.
3005 * alpha/crtbegin.asm (.eh_frame): New beginning.
3006 (__do_frame_setup, __do_frame_takedown): New.
3007 * alpha/crtend.asm (.eh_frame): New ending.
3008 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3009 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3010 (ASM_FILE_START): Don't emit .file for dwarf2.
3012 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3013 * rtl.c (reg_note_name): Likewise.
3014 * rtl.texi (REG_NOTES): Likewise.
3015 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3018 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3020 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3021 * i386.md (movsf, movdf, movxf): Validate memory address returned
3022 from force_const_mem. Kill useless REG_EQUAL setting code.
3024 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3026 * m68k.md (zero_extendsidi2): Fix typo.
3028 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3030 * configure.in: Removed references to the removed file
3031 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3032 * arm*-*-netbsd* and ns32k-*-netbsd*.
3033 * config/i386/xm-netbsd.h: Removed unnecessary file.
3034 * config/m68k/xm-netbsd.h: Likewise.
3035 * config/sparc/xm-netbsd.h: Likewise.
3036 * config/mips/xm-netbsd.h: Likewise.
3038 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3040 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3041 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3043 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3044 for exact section attributions.
3046 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3048 * i386/crtdll.h (CPP_PREDEFINES): Define.
3050 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3052 * m68k.md (5200 movqi): Do not allow byte sized memory references
3054 * m68k.c (output_move_qimode): Do not use byte sized operations on
3057 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3058 explicit rules for building. Similarly for alloca, vfprintf,
3059 choose-temp and mkstemp, getopt, getopt1, and obstack.
3060 (INCLUDES): Add $(srcdir)/../include.
3061 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3062 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3064 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3066 * gcc.c (do_spec_1): [case 'o'] Account for
3067 lang_specific_extra_outfiles.
3068 (main): Correctly clear all slots in outfiles for
3069 lang_specific_extra_outfiles. Set input_file_number before
3070 calling lang_specific_pre_link.
3072 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3074 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3076 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3078 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3080 (sparc_output_deferred_case_vectors): If no work to do, return.
3081 Fix thinko in Sept 1 change.
3083 1998-09-03 SL Baur <steve@altair.xemacs.org>
3085 * Makefile.in: add semicolon in BISON definition for portability.
3087 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3089 * config/nextstep.c (handle_pragma): Correct name of third
3092 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3094 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3095 * config/m32r/m32r.h: Make register 17 be fixed.
3096 * config/m32r/m32r.c: Use SImode for cc operations.
3098 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3100 * invoke.texi (Warning Options): Add -Wnon-template-friend
3103 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3105 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3107 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3109 * rs6000.md (movsf): Disable explicit secondary-reload-like
3110 functionality if TARGET_POWERPC64.
3111 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3114 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3116 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3117 and term.h from fixinc.wrap.
3119 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3121 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3122 safe to include both string.h and strings.h together.
3123 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3124 which headers to search for function declarations. Continue to
3125 prefer string.h over strings.h when both are not acceptable.
3127 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3129 * configure.in: Call GCC_HEADER_STRING.
3131 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3132 to include. Continue to prefer string.h over strings.h when both
3135 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3137 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3138 not assume top 32-bits of symbolic addresses are zero if
3141 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3143 * ginclude/va-alpha.h: Protect entire second portion of the
3144 file against double inclusion.
3146 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3148 Added support for the Boehm's garbage collector.
3149 * configure.in: Handle --enable-objc-gc.
3150 * configure: Rebuilt.
3151 * Makefile.in (CHECK_TARGETS): Add check-objc.
3152 (check-objc): New rule.
3153 * objc/Make-lang.in: Build a different Objective-C library that
3154 runs with the Boehm's collector.
3155 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3156 * objc/encoding.c: Correctly compute the size of compound types in
3157 the presence of bitfields. Skip the variable name of the type if
3158 any. Added support for long long.
3159 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3160 (_F_GCINVISIBLE): New mask.
3161 * objc/gc.c: New file. Compute the type memory mask associated with
3162 a class based on the runtime information.
3163 * objc/misc.c: Added the hooks that use the Boehm's collector
3164 allocation functions.
3165 * objc/objc-act.c (build_class_template): Generate a new class
3166 member (gc_object_type) to hold the class' type memory mask.
3167 (build_shared_structure_initializer): Initialize the new member to
3169 (encode_complete_bitfield): New function. Generate the new
3171 (encode_field_decl): Generate the new encoding only for the GNU
3173 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3175 (class_get_gc_object_type): New function to mark a pointer instance
3176 variable as a weak pointer.
3177 * objc/objc-features.texi: New file.
3178 * objc/objc.h (gc_object_type): New class member.
3179 * objc/objects.c (class_create_instance): Create a typed memory
3180 object when compiled with Boehm's collector support.
3181 * objc/sendmsg.c (__objc_init_install_dtable): Call
3182 __objc_send_initialize instead of setting the initialize flag.
3183 (__objc_send_initialize): Call __objc_generate_gc_type_description
3184 to generate the class type memory mask. Rewrite the code that
3185 sends the +initialize so that it is called only once (bug report
3186 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3187 * testsuite/objc: New testsuite for Objective-C type encoding.
3188 * testsuite/lib/objc-torture.exp: New file.
3189 * testsuite/lib/objc.exp: New file.
3191 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3193 * jump.c (jump_optimize): In if/then/else transformations, add
3194 another call to modified_between_p for the jump insn.
3196 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3198 * fix-header.c (symlink): Treat like readlink.
3200 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3202 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3205 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3207 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3208 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3209 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3211 * config/nextstep.c (handle_pragma): Take three arguments, as per
3212 the new HANDLE_PRAGMA macro specification.
3213 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3214 per the new HANDLE_PRAGMA macro specification.
3215 * config/i960/i960.c (process_pragma): Take three arguments, as
3216 per the new HANDLE_PRAGMA macro specification.
3218 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3220 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3221 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3222 if unknown pragmas are encountered.
3223 (handle_sysv_pragma): Interpret return code from
3224 handle_pragma_token (). Return success/failure indication rather
3225 than next unprocessed character.
3226 (pragma_getc): New function: retrieves characters from the
3227 input stream. Defined when HANDLE_PRAGMA is enabled.
3228 (pragma_ungetc): New function: replaces characters back into the
3229 input stream. Defined when HANDLE_PRAGMA is enabled.
3231 * c-pragma.c (handle_pragma_token): Return success/failure status
3234 * c-pragma.h: Change prototype of handle_pragma_token().
3236 * varasm.c: (handle_pragma_weak): Only create this function if
3237 HANDLE_PRAGMA_WEAK is defined.
3239 * c-common,c (decl_attributes): If defined call the expression
3240 contained within the INSERT_ATTRIBUTES macro before adding
3241 attributes to a decl.
3243 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3244 HANDLE_PRAGMA, which takes three arguments.
3245 (INSERT_ATTRIBUTES): Document this new macro.
3247 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3248 new INSERT_ATTRIBUTES macro.
3250 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3252 * config/sparc/sparc.md (movdf): Only generate special RTL for
3253 LABEL_REFs when PIC.
3254 (move_label_di): Remove
3255 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3256 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3257 references when PIC.
3258 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3259 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3260 output an .xword for all 64-bit cases.
3262 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3264 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3265 alignment, use FUNCTION_BOUNDARY instead.
3266 (sparc_output_deferred_case_vectors): Likewise.
3268 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3270 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3271 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3273 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3275 * alpha/va_list.h: New file.
3276 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3278 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3280 * NEWS: Add SCO Openserver and Unixware 7 notes.
3284 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3286 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3287 (record_constant_1): Handle RANGE_EXPR.
3289 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3291 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3292 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3293 and NOTE_INSN_RANGE_END specially.
3294 (reemit_notes): Likewise.
3296 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3298 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3299 (ultrasparc_sched_init): Remove unneeded &.
3301 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3303 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3304 for m68020-60, to prevent the use of fintrz.
3306 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3308 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3310 * Makefile.in: Likewise.
3311 * configure: Regenerated.
3313 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3315 * configure.in (gxx_include_dir): Changed to
3316 '${prefix}/include/g++'-${libstdcxx_interface}.
3317 * configure: Rebuilt.
3319 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3321 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3323 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3324 *sequences* *below* which scalar moves will be used.
3326 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3328 * collect2.c (mktemp): Delete unused declaration.
3330 * config/xm-netbsd.h: Remove unnecessary file.
3331 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3332 file anymore, it is not needed.
3334 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3336 * convert.c (convert_to_integer): Issue an error on conversions to
3339 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3341 * Makefile.in: Add lang_tree_files and gencheck.h.
3342 * configure.in: Generate them.
3343 * gencheck.c: Include gencheck.h.
3345 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3347 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3348 movdi_lo_sum_pic and movdi_high_pic and make visible.
3349 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3350 emit these when Pmode is not SImode.
3351 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3353 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3355 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3356 .linkonce directive after the first time.
3358 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3360 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3361 the clobbered operand overlaps with an input.
3362 (bne0_di): Similarly.
3364 * Makefile.in (INSTALL): Remove "--no-header" argument.
3366 * NEWS: Various updates.
3368 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3370 * config/sparc/sparc.c (arith_operand, const64_operand,
3371 const64_high_operand, arith_double_4096_operand): Mark mode as
3373 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3375 (sparc_emit_set_const64): Remove unused variable i.
3376 (sparc_splitdi_legitimate): Likewise for addr_part.
3377 (ultra_code_from_mask): Likewise for mask.
3378 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3379 reverse return values so it matches usage and comments.
3380 (ultra_flush_pipeline): Likewise.
3381 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3382 this_type, and allow loads and stores of differing FP modes as
3383 they do not create a conflict.
3384 (ultra_find_type): Initialize fpmode to SFmode, fix
3385 parenthesization thinkos in large conditional.
3386 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3387 Init free_slot_mask after ultra_cur_hist is reset, not before.
3388 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3389 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3390 use ultra_flush_pipeline instead, then re-init group pointer.
3391 Fix statement with no effect. If no progress made in, and no
3392 instructions scheduled at all, advance to new pipeline cycle else
3393 we get into an endless loop.
3394 (ultrasparc_adjust_cost): Remove previous arg.
3395 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3397 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3399 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3400 code. Use reg_overlap_mentioned_p to detect when source and
3401 destination overlap.
3402 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3404 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3406 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3407 COMPARISON_VAL, into invariant_p.
3409 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3411 * regmove.c (regclass_compatible_p): New function.
3412 (regmove_optimize): Use it.
3414 Use NREGS parameter insted of calling max_reg_num.
3416 (fixup_match_1): Don't use code = MINUS when later tieing with
3417 a hard register is likely.
3419 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3421 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3422 COMPARISON_VAL was normalized.
3424 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3426 * loop.c (check_dbra_loop): The loop ending comparison value
3427 must be an invariant or we can not reverse the loop.
3429 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3430 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3432 (load_mems_and_recount_loop_regs_set): Likewise.
3434 * i386.c (print_operand): Remove obsolete 'c' docs.
3436 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3438 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3439 * frame.c (init_object_mutex): New function.
3440 (init_object_mutex_once): Likewise.
3441 (find_fde): Call it.
3442 (__register_frame_info): Likewise.
3443 (__register_frame_info_table): Likewise.
3444 (__deregister_frame_info): Likewise.
3446 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3448 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3450 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3452 * loop.c (check_dbra_loop): Enable code for reversal
3453 of some loops without a known constant loop end.
3455 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3457 * haifa-sched.c (last_clock_var): New.
3458 (schedule_block): Initialize it.
3459 (schedule_insn): Use it to fill insn modes with issue information.
3461 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3462 Tag trapb and next insn with TImode.
3463 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3464 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3465 Invoke alphaev5_align_insns as appropriate.
3466 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3467 (MD_SCHED_VARIABLE_ISSUE): New.
3468 * alpha.md (attr type): Add multi.
3469 (define_asm_attributes): New.
3470 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3471 (arg_home): Likewise.
3472 (fnop, unop, realign): New.
3474 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3476 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3477 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3479 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3480 (rs6000-ibm-aix4.[12]*): Likewise.
3481 * configure: Regnerate.
3483 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3485 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3486 already contains the return address.
3488 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3490 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3491 word sized hunks when loading unaligned args into registers.
3493 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3494 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3496 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3498 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3500 * loop.c (check_dbra_loop): Add some code that would allow reversal
3501 of some loops without a known constant loop end if it were enabled.
3503 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3505 * mips.md (lshrsi3_internal2+2): Fix type-o.
3507 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3509 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3510 correctly with regards to stdio.h.
3512 * calls.c: Remove stdarg.h/varargs.h.
3515 * combine.c: Likewise.
3516 * cpperror.c: Likewise.
3517 * cpplib.c: Likewise.
3518 * cpplib.h: Likewise.
3519 * doprint.c: Likewise.
3520 * emit-rtl.c: Likewise.
3521 * final.c: Likewise.
3522 * fix-header.c: Likewise.
3524 * genattr.c: Likewise.
3525 * genattrtab.c: Likewise.
3526 * gencodes.c: Likewise.
3527 * genconfig.c: Likewise.
3528 * genemit.c: Likewise.
3529 * genextract.c: Likewise.
3530 * genflags.c: Likewise.
3531 * genopinit.c: Likewise.
3532 * genoutput.c: Likewise.
3533 * genpeep.c: Likewise.
3534 * genrecog.c: Likewise.
3535 * mips-tfile.c: Likewise.
3536 * prefix.c: Likewise.
3537 * protoize.c: Likewise.
3538 * regmove.c: Likewise.
3539 * toplev.c: Likewise.
3542 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3544 * config/sparc/sparc.c (sparc_override_options): If not
3545 TARGET_FPU, turn off TARGET_VIS.
3546 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3547 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3548 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3549 (movdi_insn_sp64): Add VIS fzero alternative.
3550 (clear_sf, clear_df): New VIS patterns.
3551 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3553 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3555 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3557 * loop.c (n_times_set, n_times_used, may_not_optimize,
3558 reg_single_usage): Convert to varrays. All uses changed.
3559 (insert_loop_mem): Return a value.
3560 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3561 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3564 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3567 * configure.in: Do not set thread_file to "irix" since no such
3570 * sparc.md (float abs/neg splits): Check reload_completed before
3571 calling alter_subreg.
3573 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3575 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3577 * config/sparc/sparc.h: Declare it.
3578 * config/sparc/sparc.md (float abs/neg splits): Use it.
3579 (all other splits): Handle SUBREGs properly where necessary.
3580 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3582 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3584 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3585 an insn on the unfilled_slots_list that has no delay slots.
3586 (fill_eager_delay_slots): Similarly.
3588 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3590 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3591 as an ordinary operand.
3593 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3595 * tree.c (valid_machine_attribute): Don't apply attributes to both
3598 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3600 * reload.c (operands_match_p): Handle rtvecs.
3602 * i386.c (legitimate_pic_address_disp_p): New.
3603 (legitimate_address_p): Use it.
3604 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3605 Handle constant pool symbols just like statics.
3606 (emit_pic_move): Use Pmode not SImode for clarity.
3607 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3608 [UNSPEC]: New, handling what we killed above.
3609 [PLUS]: Detect and abort on invalid symbol arithmetic.
3610 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3612 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3614 * alias.c: Include output.h.
3615 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3616 different if we're in a varargs function.
3617 * Makefile.in (alias.o): Depend on output.h
3619 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3621 * sh.h (GIV_SORT_CRITERION): Delete.
3623 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3625 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3626 * stupid.c (stupid_life_analysis): Ditto.
3627 * reload1.c (reload): Ditto.
3629 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3631 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3632 arith_double_4096_operand, arith_double_add_operand): New
3634 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3635 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3636 them to transform add/sub 4096 into add/sub -4096.
3638 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3640 * loop.c (scan_loop): Allocate some slop to handle pseudos
3641 generated by move_movables.
3642 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3645 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3647 * tree.def (DECL_RESULT): Correct documentation.
3649 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3651 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3652 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3653 conflicts will all RELOAD_FOR_OUTPUT reloads.
3655 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3656 loads the function result, substitute with a USE.
3658 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3660 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3661 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3662 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3663 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3664 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3665 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3667 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3668 'o' to 'm' for GPR variant constraints.
3670 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3672 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3674 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3676 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3677 when the source and destination overlap.
3679 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3680 clash with global type.
3682 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3684 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3686 * c-common.c (combine_strings): Also set TREE_READONLY.
3687 Change warn_write_strings to flag_const_strings.
3688 * c-decl.c, c-tree.h: Likewise.
3690 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3692 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3693 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3694 sequence, use SET/IOR instead so CSE can see it.
3695 * config/sparc/sparc.md (movhi_const64_special,
3696 movsi_const64_special): New patterns necessitated by that change.
3697 (movhi_high): Remove.
3698 (movhi_lo_sum): Change to match an IOR.
3699 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3700 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3701 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3702 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3703 registers are involved.
3704 (snesi_zero_extend split): Remove reload_completed test.
3705 (unnamed plus and minus zero_extend sidi splits): Add it.
3707 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3709 * extend.texi: Remove description of extension to explicit
3710 instantiation that is now endorsed by standard C++.
3712 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3714 * config/arc/arc.c (arc_initialize_pic): Remove.
3715 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3716 nothing on any platform and is invoked by no-one, it does not even
3717 appear in the documentation.
3718 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3719 * config/sparc/sparc.c (initialize_pic): Likewise.
3720 (find_addr_reg): Remove this as well, no longer referenced after
3723 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3725 * recog.c (validate_replace_rtx_group): New function.
3726 * recog.h (validate_replace_rtx_group): Declare it.
3727 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3728 the entire group of substitutions.
3730 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3732 * loop.c (load_mems): Fix initializers.
3734 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3736 * config/sparc/sparc.md (TFmode splits): Handle destination
3737 registers being referenced in the address correctly.
3739 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3740 TREE_UNSIGNED, when bitsize of type's mode is larger than
3741 HOST_BITS_PER_WIDE_INT.
3743 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3745 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3746 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3747 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3749 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3752 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3754 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3755 * h8300.h (TINY_DATA_NAME_P): Likewise.
3756 (STRIP_NAME_ENCODING): Handle '&'.
3758 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3759 register (it could be accessed via an outer SUBREG).
3760 (REG_OK_FOR_BASE_P): Likewwise.
3761 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3763 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3766 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3768 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3770 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3771 must be offsettable so the splits can be made.
3773 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3775 * config/i386/winnt.c: Include system.h, not stdio.h to get
3776 sys/param.h pulled in before rtl.h in case the system defines MIN
3779 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3781 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3783 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3785 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3787 * cpplib.c (cpp_define): Handle macros with parameters.
3789 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3791 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3792 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3793 and DImode 64-bit. Use llong for minimal-toc SFmode and
3794 SYMBOL_REF / LABEL_REF 64-bit.
3795 (output_function_profiler): Use llong for profiler label and ld to
3796 load 64-bit label address.
3798 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3800 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3803 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3805 * version.c: Bump for snapshot.
3807 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3809 * version.c: Bump for snapshot.
3811 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3813 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3815 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3817 * tm.texi (Misc): Fix typo "teh".
3819 * tm.texi (PIC): Fix typo "PPIC".
3821 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3822 effect when -O2 and higher.
3823 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3825 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3827 * regclass.c: Changed register set documentation to be consistent
3830 * final.c (final_start_function) Removed redundant test for
3833 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3835 * rtl.h (rtx_function): New type.
3836 (for_each_rtx): New function.
3837 * rtlanal.c (for_each_rtx): Define it.
3839 * recog.c (change_t): New type.
3840 (change_objects, change_old_codes, change_locs, change_olds):
3842 (changes): New variable.
3843 (validate_change): Dynamically allocate room for more changes, if
3844 necessary. Uses changes array instead of change_objects, etc.
3845 (apply_change_group): Use changes array instead of
3846 change_objects, etc.
3848 * loop.c (loop_mem_info): New type.
3849 (loop_mems): New variable.
3850 (loop_mems_idx): Likewise.
3851 (looop_mems_allocated): Likewise.
3852 (scan_loop): Remove nregs parameter.
3853 (next_insn_in_loop): New function.
3854 (load_mems_and_recount_loop_regs_set): Likewise.
3855 (load_mems): Likewise.
3856 (insert_loop_mem): Likewise.
3857 (replace_loop_mem): Likewise.
3858 (replace_label): Likewise.
3859 (INSN_IN_RANGE_P): New macro.
3860 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3861 (scan_loop): Remove nregs parameter, compute it after any new
3862 registers are created by load_mems. Use INSN_IN_RANGE_P and
3863 next_insn_in_loop rather than expanding them inline. Call
3864 load_mems to load memory into pseudos, if appropriate.
3865 (prescan_loop): Figure out whether or not there are jumps from the
3866 loop to targets other than the label immediately following the
3867 loop. Call insert_loop_mem to notice all the MEMs used in the
3868 loop, if it could be safe to pull MEMs into REGs for the duration
3870 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3872 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3874 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3876 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3878 * config/sparc/sparc.c (finalize_pic): Check for the correct
3879 nonlocal_goto_receiver UNSPEC number.
3880 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3881 making note of this dependency existing in sparc.c
3882 (negtf2_notv9 split): Give NEG SFmode.
3883 (negsf2): Fix insn output string.
3885 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3887 * c-common.c (decl_attributes): Issue an error if the argument
3888 to alias is not a string.
3890 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
3892 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
3893 pending memory flush list.
3895 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
3897 (try_combine): Allow combining insns with REG_LIBCALL notes.
3899 * expr.c (emit_block_move): Do not call memcpy as a libcall
3900 instead build up a CALL_EXPR and call it like any other
3902 (clear_storage): Similarly for memset.
3904 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
3907 * Makefile.in (cplus-dem.o): Provide explicit rules for building
3910 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
3911 and REG_LIVE_LENGTH as successful substitutions are made.
3913 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3915 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
3916 statement after end of loop label.
3918 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3920 * config/sparc/sparc.c (ultra_types_avail): New variable.
3921 (ultra_build_types_avail): New function to record mask of insn
3922 types in ready list at this cycle.
3923 (ultrasparc_sched_reorder): Call it.
3924 (ultra_find_type): Use it to quicken the search. Also simplif
3925 dependency check, don't use rtx_equal_p because we know exactly
3926 what we are looking for.
3928 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
3930 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
3931 for architecture v4.
3933 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3935 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
3937 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
3938 movdf_const_intreg and helper splits): New patterns to move float
3939 constants into integer registers.
3940 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
3943 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
3946 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
3948 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
3950 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
3951 a BASE_REGS register is needed as an intermediate when copying
3952 a symbolic value into any register class other than BASE_REGS.
3954 * expr.c (move_by_pieces): No longer static. Remove prototype.
3955 * rtl.h (move_by_pieces): Add extern prototype.
3956 * mips.c (expand_block_move): Handle aligned straight line copy by
3957 calling move_by_pieces.
3959 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
3962 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
3964 * stmt.c (expand_end_loop): Tidy. Allow unconditional
3965 jumps out of the loop to be treated as part of the exit test.
3967 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3968 Jeff Law <law@cygnus.com>
3970 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
3971 * cplus-dem.c: Delete.
3973 * Makefile.in (fold-const.o): depend on $(RTL_H).
3975 * fold-const.c: Include rtl.h to get the prototype for
3976 `set_identifier_local_value'.
3978 * loop.c (express_from_1): Remove unused variable `tmp'.
3979 (combine_givs): cast the first argument of bzero to char *.
3981 * toplev.c (display_help): Remove unused variable `looking_for_start'.
3983 * c-decl.c (init_decl_processing): Remove unneeded &.
3985 * alpha.h (alpha_initialize_trampoline): Provide prototype.
3987 * except.c (set_exception_lang_code, set_exception_version_code):
3988 Change parameter from `short' to `int' to avoid using a gcc
3991 * except.h (set_exception_lang_code, set_exception_version_code):
3992 Likewise for prototypes.
3994 * flow.c (count_reg_references): Remove unused variables `regno'
3997 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
3999 * prefix.c (translate_name): Cast the result of `alloca'.
4001 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4003 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4005 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4007 (valid_dbcc_comparison_p): Mark mode argument as unused.
4008 (symbolic_operand): Likewise.
4009 (legitimize_pic_address): Likewise.
4010 (const_uint32_operand): Likewise.
4011 (const_sint32_operand): Likewise.
4012 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4013 schedule_insns and comment out rest of file.
4015 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4017 (output_move_[hq]imode): Likewise.
4019 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4021 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4022 * invoke.texi: Corresponding changes.
4024 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4026 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4028 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4030 * config/sparc/sparc.c (ultra_code_from_mask,
4031 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4032 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4033 ultrasparc_sched_init, ultrasparc_variable_issue,
4034 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4035 functions to describe UltraSPARC pipeline exactly to Haifa.
4036 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4037 as there is nothing the scheduler can do about it. Indicate that
4038 REG_DEP_OUTPUT's collide. Fixup formatting.
4039 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4040 divide costs on Ultra for DImode.
4041 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4043 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4044 ieuN and add call_no_delay_slot to type list.
4045 (cti function unit): New unit for branches on UltraSPARC.
4046 (subx/addx insns): Set type to misc.
4047 (sidi zero/sign extension insns on arch64): Set type to shift.
4048 (sign_extendhidi2_insn): Set type to sload.
4050 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4052 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4053 (output_epilog): Use if != 0 for offset.
4054 (rs6000_fatal_bad_address): Prepare for Intl.
4055 * rs6000.h (rs6000_fatal_bad_address): Declare.
4056 * rs6000.md (movsfcc, movdfcc): Use else if.
4057 (elf_high): Use {liu|lis}.
4058 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4059 (movsi): Use rs6000_fatal_bad_address.
4061 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4063 * reload.c (find_equiv_reg): Reject equivalences separated
4064 by a volatile instruction.
4066 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4068 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4070 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4072 * alpha.md (movsicc): Fix mode mismatch.
4074 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4076 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4078 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4080 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4082 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4083 write-only modifier from operand 1 constraint.
4085 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4087 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4088 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4090 (sparc_emit_set_const64): Likewise, also when computing trailing
4091 bits do not negate low_bits and make fast_int an int.
4093 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4095 * loop.c (add_label_notes): Do not ignore references to labels
4096 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4097 * gcse.c (add_label_notes): Similarly.
4099 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4101 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4102 (adddi_dishl32): Similarly.
4104 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4106 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4107 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4108 * cse.c (cse_basic_block): Add parens to shut up warnings.
4110 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4112 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4113 sparc_emit_set_const64_longway, const64_is_2insns,
4114 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4115 in 64-bit constant formation.
4116 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4117 rtl for addx not subx.
4118 (define_insn movdi_const64_special): Make available even when
4119 HOST_BITS_PER_WIDE_INT is not 64.
4120 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4121 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4122 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4123 instances of operand 1 inside a QI subreg.
4124 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4125 (one_cmpldi2_sp64): Fix output string.
4126 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4128 (unnamed arch64 ashift DI): Truncate shift count if greater than
4131 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4133 * expr.c (store_expr): Don't optimize away load-store pair
4134 when either source or destination have a side effect.
4136 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4138 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4139 operands of SET are incompatible.
4141 * alpha.md: Fix max and min patterns so modes of SET operands match.
4143 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4145 * configure.in: Avoid [[ by using test and changequote.
4146 * configure: Rebuild.
4148 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4150 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4152 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4153 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4154 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4155 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4156 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4157 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4158 Fix mismatching modes in SET operands.
4159 (conditional move patterns): Fix formatting.
4160 (unnamed subx arch64 pattern): Remove duplicate insn.
4162 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4164 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4165 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4166 (input_operand): Fixup test for what we accept for constant
4168 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4170 (safe_constDI): Remove.
4171 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4172 gen_safe_XOR64): New functions.
4173 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4174 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4176 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4177 available when HOST_BITS_PER_WIDE_INT is not 64.
4178 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4179 move before movdi_insn_sp64 pattern.
4180 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4181 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4182 symbolic_operand as predicate for second operand.
4183 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4184 expander): Give set VOIDmode.
4186 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4188 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4190 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4192 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4194 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4196 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4198 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4200 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4202 * install.texi: Various SCO OpenServer tweaks.
4204 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4206 * reload1.c (eliminate_regs_in_insn): Handle another case when
4207 eliminating the frame pointer to the hard frame pointer. Add
4208 missing ep->to_rtx check to one existing case.
4210 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4212 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4214 * tree.h: De-conditionalize init_priority code.
4216 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4217 * collect2.c (NM_FLAGS): Change from -p to -n.
4219 * configure.in: Turn on collect2 for mipstx39-elf.
4220 Handle use_collect2=no properly.
4222 * c-common.c: De-conditionalize init_priority code.
4223 * collect2.c (extract_init_priority, sort_ids): New fns.
4224 (main): Call sort_ids.
4225 Move sequence_number to file scope.
4227 * configure.in: Handle --enable-init-priority.
4228 * c-common.c (attrs): Add A_INIT_PRIORITY.
4229 (init_attributes, decl_attributes): Likewise.
4230 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4231 * tree.c (get_file_function_name_long): Split out...
4232 (get_file_function_name): ...from here.
4234 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4236 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4239 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4241 * toplev.c (display_help): Add braces to shut up warnings.
4242 * tree.c (simple_cst_equal): Likewise.
4244 * fold-const.c (non_lvalue): Don't deal with null pointer
4246 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4248 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4249 of any size to a pointer.
4251 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4253 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4255 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4257 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4258 which will be saved.
4259 * mn10300.md (prologue insn): Only save registers which need saving.
4260 (epilogue insn): Similarly.
4262 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4265 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4267 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4268 VAR_DECL's in gp addressable sections.
4270 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4272 * sparc.c: Change return <exp> to <exp>; return; in functions
4274 * sparc.md: Add empty semicolon statement after final label in
4277 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4279 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4280 addx_extend_sp64, only allow when TARGET_ARCH64.
4281 (define_insn addx_extend_sp32 and split): Version that works when
4283 (define_insn subx_extend): Likewise.
4284 (define_split adddi3 and subdi3 with zero extension): Fixup and
4285 correct bugs when not TARGET_ARCH64.
4287 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4289 * except.c (set_exception_lang_code, set_exception_version_code):
4290 Use prototype-style definition if __STDC__, to match declaration
4293 * genemit.c: Change FAIL and DONE macros not to use loops.
4295 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4297 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4298 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4300 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4302 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4304 * README.g77: Update from Craig.
4306 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4308 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4310 (safe_constDI sparc_emit_set_const64_quick1,
4311 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4312 analyze_64bit_constant, const64_is_2insns,
4313 create_simple_focus_bits): Fix some bugs when compiled on real
4315 (function_arg_record_value_3, function_arg_record_value_2,
4316 function_arg_record_value): Add fully prototyped forward decls.
4317 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4318 to cmpsi_insn and use on both 64 and 32 bit targets.
4319 (define_insn cmpsi_insn_sp64): Remove.
4320 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4321 (define_insn zero_extendsidi2_insn): Rename to
4322 zero_extendsidi2_insn_sp64.
4323 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4324 assosciated forced split for it.
4326 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4328 * config/sparc/sparc.h: Declare them.
4329 (PREDICATE_CODES): Add them.
4330 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4331 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4333 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4335 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4336 in v9 case as the latter makes the Solaris assembler crash.
4338 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4340 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4341 for TFmode when !v9. We require offsettable memory addresses.
4342 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4343 DFmode register number conversions.
4344 * config/sparc/sparc.md (define_split DFmode moves): If register
4345 is a SUBREG do alter_subreg on it before using.
4346 (define_expand movtf): Fixup comment about alignment on v9.
4347 (define_split TFmode moves): Don't use gen_{high,low}part, create
4348 explicit SUBREGs instead.
4350 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4352 * Makefile.in (mbchar.o): Depend on mbchar.c.
4354 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4355 Richard Henderson <rth@cygnus.com>
4357 Rewrite Sparc backend for better code generation and
4358 improved sparc64 support.
4359 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4361 * config/sparc/sysv4.h: Likewise.
4362 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4363 move_operand, v8plus_regcmp_op, emit_move_sequence,
4364 singlemove_string, doublemove_string, mem_aligned_8,
4365 output_move_double, output_move_quad, output_fp_move_double,
4366 move_quad_direction, output_fp_move_quad, output_scc_insn):
4368 (small_int_or_double): New predicate.
4369 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4370 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4371 old pic_{sethi,lo_sum}_si patterns.
4372 (mem_min_alignment): New generic function to replace
4373 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4374 available and can test for arbitrary alignments. All callers
4376 (save_regs, restore_regs, build_big_number,
4377 output_function_prologue, output_cbranch, output_return,
4378 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4379 sparc_flat_output_function_epilogue): Prettify
4381 (output_function_epilogue): Likewise and add code to output
4382 deferred case vectors.
4383 (output_v9branch): Likewise, add new arg INSN and use it to tack
4384 on branch prediction settings. All callers changed.
4385 (print_operand): Likewise and output %l44 for LO_SUMs when
4387 (sparc_splitdi_legitimate): New function to make sure DImode
4388 splits can be run properly when !arch64.
4389 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4390 Reformat example code in comments.
4391 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4392 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4393 of deferred case vectors we need to output.
4394 (sparc_defer_case_vector): Record a case vector.
4395 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4396 sparc_output_deferred_case_vectors): New functions to output them.
4397 (sparc_emit_set_const32): New function to form 32-bit constants in
4398 registers when that requires more than one instruction.
4399 (safe_constDI, sparc_emit_set_const64_quick1,
4400 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4401 analyze_64bit_constant, const64_is_2insns,
4402 create_simple_focus_bits, sparc_emit_set_const64): New functions
4403 which do the same for 64-bit constants when arch64.
4404 (sparc_emit_set_symbolic_const64): New function to emit address
4405 loading for all code models on v9.
4406 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4407 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4408 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4409 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4410 inaccuracies in comments, add symbolic and text_segment operands
4411 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4412 GENERAL_REGS in these cases as a temp REG is needed to load these
4413 addresses into a register properly.
4414 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4416 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4417 quads are guarenteed to have 16-byte alignment.
4418 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4419 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4420 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4421 deferred case vector implementation.
4422 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4423 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4424 Generate "internal label - label" instead of "label - 1b".
4425 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4426 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4427 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4429 (doublemove_string, output_block_move, output_fp_move_double,
4430 output_fp_move_quad, output_move_double, output_move_quad,
4431 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4432 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4433 (sparc_emit_set_const32, sparc_emit_set_const64,
4434 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4435 mem_min_alignment, small_int_or_double): Add externs.
4436 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4437 UNSPEC_VOLATILE in this backend.
4438 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4439 unary to types which execute in it.
4440 (define_function_unit ieu_shift): Rename to ieu0.
4441 (define_function_unit ieu1): New, executes compare, call, and
4442 uncond_branch type insns.
4443 (define_function_units for type fdivs, fdivd, fsqrt): These
4444 execute in the fpu multiply unit not the adder on UltraSparc.
4445 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4446 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4447 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4448 allows the arith_double_operand predicate and rHI constraint when
4450 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4451 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4452 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4453 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4454 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4455 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4456 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4457 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4458 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4459 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4460 sign_extendqihi2_insn, sign_extendqisi2_insn,
4461 sign_extendqidi2_insn, sign_extendhidi2_insn,
4462 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4463 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4464 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4465 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4466 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4467 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4468 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4469 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4470 smulsi3_highpart_v8plus, unnamed subreg mult,
4471 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4472 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4473 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4474 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4475 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4476 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4477 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4478 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4479 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4480 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4481 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4482 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4483 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4484 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4485 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4486 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4487 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4488 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4489 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4490 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4491 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4492 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4493 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4494 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4495 call_address_untyped_struct_value_sp32,
4496 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4497 call_value_symbolic_sp32, call_value_address_sp64,
4498 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4499 flush_register_windows, goto_handler_and_restore,
4500 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4501 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4502 return_addsi, return_di, return_adddi, return_sf, all call+jump
4503 peepholes, trap, unnamed trap insns): Prettify output strings.
4504 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4505 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4506 Likewise and force + implement splits for integer cases.
4507 (define_insn return_sf_no_fpu): Likewise and allow to match when
4508 no-fpu because of our subreg SFmode splits.
4509 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4510 zero_extendqidi2_insn, zero_extendhidi2_insn,
4511 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4512 input_operand for second operand.
4513 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4514 reg_or_0_operand for operand 2 so new splits can use it.
4515 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4516 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4518 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4519 CONST_DOUBLEs for operand 2.
4520 (define_insn move_label_di): Likewise and label distance
4521 optimization because it no longer works with new deferred case
4522 vector scheme. To be revisited.
4523 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4524 and allow reg_or_0_operand and J constraint for second operand.
4525 (define_insn jump): Set branch predict taken on V9.
4526 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4527 new deferred case vector scheme.
4528 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4529 (define_insn negdi2_sp32): Force + implement splits.
4530 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4531 one_cmplsi2_not_liveg0 respectively, and create expander of original
4532 names which emit special rtl for TARGET_LIVE_G0.
4533 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4534 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4535 gen_compare_reg, FAIL instead.
4536 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4537 values when trying to reverse condition codes, if they FAIL then
4539 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4540 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4541 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4542 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4543 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4544 set output string to # to indicate they are mandatory splits.
4545 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4546 pic_sethi_di, move_pic_label_si): Remove.
4547 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4548 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4550 (define_expand movsi_pic_label_ref, define_insn
4551 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4552 expander and insns to handle PIC label references and deferred
4554 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4556 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4557 Rewrite to not use emit_move_sequence, make use of new constant
4558 formation code, and new splits for all multi-insn cases.
4559 (define_insn movqi_insn): Remove sethi case, it can never happen.
4560 Use reg_or_zero_operand instead of const0_rtx explicit test,
4561 use input_operand instead of move_operand for source, and use
4562 general_operand now for dest.
4563 (define_insn movhi_insn): Similar but leave sethi case.
4564 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4565 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4566 movhi_lo_sum respectively, prettify output string.
4567 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4568 register when needed on TARGET_LIVE_G0.
4569 (define_insn movsi_insn): Use general_operand and input_operand
4570 for dest and src respectively. Simplify applicability test.
4571 Prettify output strings, and add clr alternative for J
4573 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4574 deprecated std and reg-reg DI moves): Remove and...
4575 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4576 implementation which uses forced splits for all non-single insn
4578 (define_split DI move cases on !arch64): New splits to handle all
4579 situations of 64-bit double register DImode on 32bit, and
4580 unaligned registers and memory addresses for all subtargets.
4581 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4583 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4584 input_operand for dest and src respectively, prettify output
4586 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4587 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4589 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4590 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4591 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4592 movtf_no_e_insn_sp64) Replace with new
4593 implementation which uses forced splits for all non-single insn
4595 (define_split DF move cases): New splits in similar vein to DI
4597 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4598 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4599 movdi_sp64_insn): Remove old v9 code model and constant loading
4601 (define_insn pic_lo_sum_di, pic_sethi_di,
4602 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4603 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4604 embmedany_sethi, embmedany_losum, embmedany_brsum,
4605 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4606 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4607 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4608 scheme, using unspecs, secondary reloads, and one to one sparc
4609 insn to rtl insn mapping for better scheduling and code gen.
4610 (define_expand reload_indi, reload_outdi): Reload helpers for
4611 MEDANY and EMBMEDANY symbol address loading cases which require a
4613 (define_expand movsicc): Remove v8plus_regcmp cases.
4614 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4615 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4616 cmp_diqi_trunc_set): New patterns used by some of the new scc
4618 (define_insn xordi3_sp64_dbl): New pattern used for constant
4619 formation when crossing from 32-bit targets.
4620 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4622 (define_insn addx, subx): Make visible and prettify.
4623 (define_insn adddi3_insn_sp32): Likewise and force split.
4624 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4625 64bit scc split usage.
4626 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4627 zero_extend, subdi3): Force and implement splits.
4629 * final.c (final_scan_insn): Don't output labels if target
4630 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4633 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4634 don't forget to walk inside SEQUENCESs too as these are what the
4635 delay slot scheduler will create.
4637 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4639 * alpha.md (extxl+1,+2): New patterns to work around
4642 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4644 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4645 caused bad assembly code to be generated.
4647 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4649 * netbsd.h: Fix typo.
4651 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4653 * config.sub: Fix typo.
4655 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4657 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4659 (Running Protoize): Typo: Change "ther" into "other".
4661 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4663 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4664 * m68k/netbsd.h: Likewise.
4665 * ns32k/netbsd.h: Likewise.
4666 * sparc/netbsd.h: Likewise.
4668 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4670 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4671 * ginclude/va-clipper.h (va_list): Likewise.
4673 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4675 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4676 load/store multiple instructions unless user overrides.
4678 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4680 * ns32k/netbsd.h: Fix typo.
4682 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4684 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4685 labels with .debugsym if no parallel insns.
4687 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4689 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4690 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4692 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4694 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4695 (AR_FOR_TARGET): Define.
4697 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4699 * dyn-string.h: New file.
4700 * dyn-string.c: Likewise.
4701 * Makefile.in (OBJS): Add dyn-string.o.
4702 (dwarf2out.o): Add dyn-string.h dependency.
4703 (dyn-string.o): List dependencies.
4704 * dwarf2out.c: Include dyn-string.h.
4705 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4706 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4707 prototype. Use dyn_string_append rather than strcat, throughout.
4708 (addr_to_string): Use dyn_string_t.
4710 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4712 Function entry/exit profiling instrumentation:
4713 * expr.h (profile_function_entry_libfunc,
4714 profile_function_exit_libfunc): Declare new variables.
4715 * optabs.c: Define them here.
4716 (init_optabs): Initialize them.
4717 * tree.h (struct tree_decl): New flag
4718 no_instrument_function_entry_exit.
4719 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4720 * c-decl.c (duplicate_decls): Merge it.
4721 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4722 (init_attributes): Use it for "no_instrument_function".
4723 (decl_attributes): Handle it, for functions that have not yet been
4724 compiled. Set decl flag.
4725 * flags.h (flag_instrument_function_entry_exit): Declare new
4727 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4728 (f_options): New option "instrument-functions".
4729 * function.h (struct function): New field instrument_entry_exit.
4730 * function.c (current_function_instrument_entry_exit): New
4732 (push_function_context_to, pop_function_context_from): Save and
4734 (expand_function_start): Set current_ variable, maybe emit return
4735 label and entry profile call.
4736 (expand_function_end): Maybe emit exit profile call.
4738 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4740 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4741 NON_QI_REG_P, pretend the register is SImode.
4743 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4745 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4746 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4747 manufacturer id for ns32k.
4748 * configure: Regenerated.
4749 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4750 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4751 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4752 * config/m68k/netbsd.h: Same.
4753 * config/ns32k/netbsd.h: Same.
4754 * config/sparc/netbsd.h: Same.
4756 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4758 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4759 or UNROLL_COMPLETELY loop that starts with a jump to its
4762 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4764 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4765 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4766 (print_operand, case 'B'): Don't fall through.
4767 (print_operand, case 'S'): Correct mask begin/end computation.
4768 Use HOST_BITS_PER_WIDE_INT.
4769 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4770 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4771 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4772 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4774 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4776 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4777 constraint from second alternative.
4779 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4781 * configure.in: Fix --without/--disable cases for local-prefix,
4782 gxx-include-dir and checking.
4784 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4786 * configure.in (enable_haifa): Set by default for sparc64 too.
4789 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4791 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4792 * i386/winnt.c (associated_type): New fn.
4793 (i386_pe_valid_type_attribute_p): New fn.
4794 (i386_pe_check_vtable_importexport): Remove.
4795 (i386_pe_dllexport_p): Use associated_type.
4796 (i386_pe_dllimport_p): Likewise.
4798 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4799 * i386.c (i386_valid_type_attribute_p): Also accept
4800 attributes for METHOD_TYPEs.
4802 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4804 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4806 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4808 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4810 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4811 them from generating a new base name for each occurence of
4814 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4816 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4818 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4822 * cplus-dem.c (type_kind_t): New type.
4823 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4824 on this paramter, rather than demangling the type again.
4825 (demangle_integral_value): Pass tk_integral.
4826 (demangle_template_: Pass the value returned from do_type.
4827 (do_type): Return a type_kind_t. Pass tk_integral to
4828 demangle_template_value_parm for array bounds.
4829 (demangle_fund_type): Likewise.
4831 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4833 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4836 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4838 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4840 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4842 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4844 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4847 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4849 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4850 (DEBUGGER_ARG_OFFSET): Likewise.
4852 * mn10300.md (movsf): Remove last change. Not needed.
4854 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4856 * c-lex.c (yylex): Fix boundary conditions in character literal and
4857 string literal loops.
4859 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4861 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4862 being invoked incorrectly.
4864 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4865 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4867 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4868 * configure.in: Added i[34567]86-*-win32
4869 * config.sub: Ditto.
4870 * configure: Rebuilt.
4872 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4874 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4875 the frame pointer and compiling PIC code and reload has not completed.
4877 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4880 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4882 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4884 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4886 * Makefile.in (install-info): Only try to update the info
4887 directory file if it exists in the first place.
4889 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
4891 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
4893 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
4895 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
4896 CONST_DOUBLE source.
4898 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
4900 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
4901 strings as the insertion of USER_LABEL_PREFIX.
4902 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
4904 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
4907 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
4909 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
4910 already defined type.
4912 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
4914 * expr.c (check_max_integer_computation_mode): Allow conversions
4915 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
4916 (expand_expr): Likewise.
4918 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4920 * expr.c (expand_expr): Expand RETURN_EXPR.
4922 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
4924 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
4926 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
4928 * dwarf2out.c (output_aranges): Call stripattributes
4929 for TEXT_SECTION references.
4930 (output_line_info): Likewise.
4932 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4934 * profile.c (branch_prob): Call allocate_reg_info after outputting
4935 profile rtl in instrument_arcs.
4937 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
4939 * fixinc.irix (math.h): Install wrapper instead of copying.
4941 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4943 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
4944 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
4945 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
4946 lang_flag_0. Added documentation in the flag table.
4948 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
4950 * cccp.c (do_include): Fix vax c style include handling.
4952 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4954 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
4956 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
4958 * fold-const.c (non_lvalue): Don't deal with null pointer
4960 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4962 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
4964 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
4965 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
4966 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
4967 (u_short_cint_operand): Same.
4968 (reg_or_cint_operand): Same.
4969 (logical_operand): Same.
4970 (input_operand): Same.
4971 (reg_or_short_operand): Use u_short_cint_operand.
4973 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
4975 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
4976 but keep the insns and splits. Adjust so when the ultimate destination
4977 is memory, use cvtql.
4979 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
4981 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
4983 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
4985 * gcc.c (do_spec): Call "error" not "warning".
4987 * configure.in: Fix minor problems with gas feature detection code.
4988 * configure: Rebuilt.
4990 * gcc.c (do_spec): Issue a warning for '%[]' usage.
4993 * gcc.c: Delete %[spec] support.
4994 (do_spec_1, case '('): Likewise.
4995 (do_spec_1, case '['): Call error.
4997 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
4999 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5000 (CPP_SUBTARGET_SPEC): Default to empty string.
5001 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5002 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5003 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5004 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5006 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5007 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5008 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5009 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5010 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5011 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5012 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5013 * alpha/vxworks.h: Likewise.
5015 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5017 * mips.md (reload_outsi): Added missing REGNO call.
5018 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5020 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5021 another match_operator and compare the codes.
5023 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5025 * MIPS multiply pattern fixes:
5026 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5027 Add union classes for HI, LO, or HILO plus general registers.
5028 (GENERATE_MADD): Deleted.
5029 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5030 Add TARGET_MAD to condition.
5031 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5032 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5033 "*d" for accumulator, to give preference to LO initially but not
5036 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5038 * configure.in (enable_c_mbchar): New configure option.
5039 (extra_cpp_objs): Always available now.
5041 * cexp.y (mbchar.h): #include it.
5042 (yylex): Handle Multibyte characters in character literals.
5044 * cccp.c (mbchar.h): #include it.
5045 (main): Set character set based on LANG environment variable.
5046 (rescan): Handle multibyte characters in comments.
5047 (skip_if_group): See above.
5048 (validate_else): See above.
5049 (skip_to_end_of_comment): See above.
5050 (macarg1): See above.
5051 (discard_comments): See above.
5052 (rescan): Handle multibyte characters in string and character literals.
5053 (collect_expansion): See above.
5054 (skip_quoted_string): See above.
5055 (macroexpand): See above.
5056 (macarg1): See above.
5057 (discard_comments): See above.
5058 (change_newlines): See above.
5060 * c-lex.c (mbchar.h): #include it.
5061 (GET_ENVIRONMENT): New macro.
5062 (init_lex): Set character set based on LANG environment variable.
5063 (yylex): Handle multibyte characters in character literals.
5064 (yylex): Handle multibyte characters in string literals.
5066 * Makefile.in (mbchar.o): New target.
5067 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5068 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5070 * mbchar.[ch]: New files for multibyte character handling.
5072 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5074 * jump.c (jump_optimize): When simplifying noop moves and
5075 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5076 the PUSHes to rewrite in second loop as we did in the first.
5078 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5080 * cplus-dem.c (demangle_nested_args): Make function definition
5081 static to match the prototype.
5083 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5085 * alloca.c: Respect USE_C_ALLOCA.
5086 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5087 * gengenrtl.c (xmalloc): Likewise.
5089 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5091 * loop.h (struct induction): Add no_const_addval.
5092 * loop.c (the_movables, reg_address_cost): New variables.
5093 (init_loop): Init reg_address_cost.
5094 (loop_optimize): Call end_alias_analysis.
5095 (scan_loop): Init the_movables.
5096 (record_giv): Init induction->no_const_addval.
5097 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5098 [REG]: Rearrange loop search test to catch more cases.
5099 (general_induction_var): Return success not benefit; take an extra
5100 argument for that. Change all callers.
5101 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5102 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5103 [default]: Search the_movables for additional combinations.
5104 (sge_plus_constant, sge_plus): New functions.
5105 (express_from_1): New function.
5106 (express_from): Always define. Rewrite using express_from_1.
5107 (combine_givs_p): Handle more cases. Ignore address cost.
5108 (cmp_combine_givs_stats): New function.
5109 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5110 (combine_givs): Rewrite to do best-fit combination.
5112 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5113 (fold): Do a complete (A*C)+(B*C) association check.
5115 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5117 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5119 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5121 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5123 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5125 * tree.c (valid_machine_attribute): Only create a new type variant if
5126 there is a decl to use it.
5128 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5130 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5133 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5135 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5138 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5140 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5141 Simplify tests for clearing an address register.
5142 (expand_prologue): Corresponding changes.
5144 * mn10300.md (movXX patterns): Make sure the destination is an
5145 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5146 (logical patterns): Split into expanders + patterns
5147 (zero and sign extension patterns): Similarly.
5148 (shift patterns): Similarly.
5150 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5152 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5153 for the sequence, recording base values.
5155 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5157 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5159 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5161 * gcc.c: Remove ANSI-C ism from --help code.
5163 * toplev.c: Support --help with USE_CPPLIB.
5165 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5167 * configure.in: Rework gas feature code to work with symlink based
5170 * extend.texi: Clarify some issues related to local variables
5171 assigned to explicit registers.
5173 * mn10300.md (mulsi): Turn into expander + pattern.
5175 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5178 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5180 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5182 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5184 * version.c: Bump again to distinguish mainline tree from the
5187 See ChangeLog.0 for earlier changes.
5190 add-log-time-format: current-time-string
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