| blob | ba537b5576387da440767dc9897f633962eba99d |
1 Tue Oct 27 10:15:02 EST 1998 Nick Clifton <nickc@cygnus.com>
3 Added support for arm-elf-linux configuration, submitted by Philip
4 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
5 code developed by Catherine Moore <clm@cygnus.com>. The following
6 files are affected:
8 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
9 targets.
11 * configure: Regenerated.
13 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
14 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
15 definitions conditional on their not having been already defined.
17 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
18 and .type directives, and add "(PLT)" qualification to function
19 calls.
21 * config/arm/linux.h: Deleted. This file is now superceeded by
22 either linux-elf.h or linux-aout.h.
24 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
25 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
26 support).
27 Move definitions from old linux.h file here.
29 * config/arm/elf.h: New file. Generic ARM/ELF support.
31 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
33 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
35 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
36 using the 26bit APCS.
38 * config/arm/unknown-elf.h: New file. Support for OS'es other
39 than Linux with ELF.
41 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
42 builds.
44 * config/arm/coff.h: Include aout.h for basic assembler macros.
45 Add support for -mstructure_size_boundary=<n> command line option.
47 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
48 command line option. Make macro definitions conditional on their
49 not having been already defined.
51 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
52 command line option.
55 Tue Oct 27 08:56:46 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
57 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
58 has been changed to not include a newline. Use this macro instead.
59 (output_enumeral_list, const_value_attribute, name_attribute,
60 comp_dir_attribute, prototyped_attribute, producer_attribute,
61 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
62 dwarfout_file_scope_decl, generate_new_sfname_entry,
63 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
64 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
66 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
68 * combine.c (subst): Process the inputs to a parallel asm_operands
69 only once.
71 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
73 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
75 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
77 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
79 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
81 * version.c: Bump for snapshot.
83 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
85 * stmt.c (expand_fixup): Set fixup->before_jump to a
86 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
88 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
90 * Makefile.in (recog.o): Depend on toplev.h.
91 (insn-emit.o): Depend on recog.h.
92 (insn-peep.o): Depend on recog.h and insn-config.h.
94 * combine.c (simplify_set): Remove unused variable `scratches'.
96 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
97 and `idx' in macro conditional controlling their use.
99 * genemit.c (main): Make the generated output file include
100 recog.h. Don't have it declare `insn_operand_constraint', since
101 we get it from recog.h.
103 * genpeep.c (main): Make the generated output file include
104 insn-config.h and recog.h.
106 * recog.c: Include toplev.h.
107 (extract_insn): Remove unused variable `p'.
109 * regclass.c (fix_register): Add missing braces around initializer
110 for `what_option'.
111 (allocate_reg_info): Move variable `i' into the scope where it is
112 used. Change its type to `size_t'.
114 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
116 * reload.c (push_reload): When merging reloads, make sure
117 that reload_in_reg and reload_in are from the same reload in
118 all cases.
120 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
122 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
123 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
125 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
127 * loop.c (loop_has_tablejump): New variable.
128 (prescan_loop): Scan for it.
129 (insert_bct): Replace explicit scan with use of it.
130 * regclass.c (regclass): Restore loop variable j.
131 (record_reg_classes): Deterine op_types modifiers and initialize
132 classes[i] before matching constraints. Handle matching
133 constraints 5-9.
135 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
137 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
138 subreg support.
140 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
142 * mips.h (EXTRA_SPECS): Add missing initializers.
144 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
146 * sparc.h (EXTRA_SPECS): Add missing initializers.
147 (sparc_defer_case_vector): Provide a prototype.
149 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
150 comparing it to the result of a pointer subtraction.
152 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
154 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
155 the argument to (unsigned char).
157 * alpha.h (EXTRA_SPECS): Add missing initializers.
158 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
159 format specifier.
161 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
163 * flow.c (life_analysis_1): Enable "rescan" code after reload.
164 (propagate_block): Delete dead code after reload.
166 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
167 back Oct 15, 1998 change.
168 * haifa-sched.c (update_flow_info): Likewise.
169 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
171 * mn10200.md (truncated shift): Accept constant inputs too.
173 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
175 * machmode.h (mode_mask_array): No longer const.
176 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
178 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
180 * frame.c: Somewhat explain `FDE'.
181 Suggested by Brendan Kehoe
183 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
185 * expr.c (pending_chain): Move up.
186 (save_expr_status): Do save pending_chain.
187 (restore_expr_status): And restore it.
188 * function.h (struct function): Add pending_chain.
190 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
192 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
193 did not match the code.
195 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
197 * regclass.c (regclass): Break out some code into new function
198 scan_one_insn, and into regclass_init.
199 (init_cost): New static variable, moved out of regclass.
200 (regclass_init): Initialize it here, not in .
201 (scan_one_insn): New static function, broken out of regclass.
202 * recog.c (apply_change_group): Break out some code into new
203 function insn_invalid_p.
204 (insn_invalid_p): New static fn, broken out of apply_change_group.
206 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
208 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
209 reg_reloaded_contents matches incremented pseudo.
211 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
213 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
215 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
216 addressing modes with side effects. These are currently
217 placeholders for the C4x target.
219 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
221 * loop.c (express_from): Make sure that when generating a PLUS of
222 a PLUS, any constant expression appears on the outermost PLUS.
224 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
226 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
227 works if "$(srcdir)" != ".".
229 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
231 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
232 existing SUBREG if we can, otherwise abort.
234 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
236 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
237 `restrict' is applied to a non-pointer variable.
239 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
241 * invoke.texi: Document -flang-isoc9x.
243 * Makefile.in (OBJS): Add splay-tree.o.
244 (c-common.o): Depend on rtl.h.
245 (splay-tree.o): List dependencies and provide build rule.
247 * rtl.h (record_alias_subset): New function.
248 * alias.c: Include splay-tree.h.
249 (alias_set_entry): New type.
250 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
251 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
252 (mems_in_disjoin_alias_sets_p): New function.
253 (alias_set_compare): Likewise.
254 (insert_subset_children): Likewise.
255 (get_alias_set_entry): Likewise.
257 * tree.h (TYPE_RESTRICT): New macro.
258 (TYPE_UNQUALIFIED): New manifest constant.
259 (TYPE_QUAL_CONST): Likewise
260 (TYPE_QUAL_VOLATILE): Likewise.
261 (TYPE_QUAL_RESTRICT): Likewise.
262 (tree_type): Add restrict_flag. Reduce count of free bits.
263 (DECL_POINTER_ALIAS_SET): New macro.
264 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
265 (tree_decl): Add pointer_alias_set.
266 (build_qualified_type): New function.
267 (build_type_variant): Define in terms of build_qualified_type.
268 * tree.c (set_type_quals): New function.
269 (make_node): Initializae DECL_POINTER_ALIAS_SET.
270 (build_type_attribute_variant): Use build_qualified_type and
271 set_type_quals.
272 (build_type_variant): Rename, and modify, to become...
273 (build_qualified_type): New function.
274 (build_complex_type): Use set_type_quals.
276 * c-tree.h (C_TYPE_OBJECT_P): New macro.
277 (C_TYPE_FUNCTION_P): Likewise.
278 (C_TYPE_INCOMPLETE_P): Likewise.
279 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
280 (c_apply_type_quals_to_decl): New function.
281 (c_build_qualified_type): New function.
282 (c_build_type_variant): Define in terms of c_build_qualified_type.
283 (flag_isoc9x): Declare.
284 * c-typeck.c (qualify_type): Use c_build_qualified_type.
285 (common_type): Change to use TYPE_QUALS.
286 (comptypes): Likewise.
287 (convert_for_assignment): Likewise.
288 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
289 * c-decl.c (flag_isoc9x): Define.
290 (c_decode_option): Handle -flang-isoc9x.
291 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
292 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
293 * c-lex.c (init_lex): Deal with restrict.
294 (init_lex): Don't treat restrict as a reserved word in
295 -traditional mode, or without -flang-isoc9x.
296 * c-lex.h (rid): Add RID_RESTRICT.
297 * c-parse.gperf (restrict, __restrict, __restrict__): Make
298 equivalent to RID_RESTRICT.
299 * c-parse.in (TYPE_QUAL): Update comment.
300 * c-common.c: Include rtl.h.
301 (c_find_base_decl): New function.
302 (c_build_type_variant): Rename, and modify, to become ...
303 (c_build_qualified_type): New function.
304 (c_apply_type_quals_to_decl): Likewise.
305 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
306 a particular alias set for the reference.
307 * toplev.c (documented_lang_options): Add -flang-isoc9x.
309 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
311 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
312 command line switches.
314 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
316 * reload.c (loc_mentioned_in_p): Add missing braces to bind
317 else to correct if.
319 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
321 * gcc.c (option_map): Added --classpath and --CLASSPATH.
323 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
325 * regclass.c (fix_register): Add error message.
326 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
327 new error message.
329 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
331 * c-decl.c (warn_missing_noreturn): New global variable.
332 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
333 (finish_function): Implement missing noreturn warning.
335 * c-tree.h (warn_missing_noreturn): Declare extern.
337 * invoke.texi: Document new flags.
339 * toplev.c (documented_lang_options): Add description.
341 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
343 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
344 loop optimization stable for the C4x.
345 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
346 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
347 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
348 loop optimization).
349 (c4x_address_conflict): Be more paranoid when packing a volatile
350 memref in a parallel load/store.
352 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
354 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
355 repeat_block_filler): Deleted.
356 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
357 Condition code not set if destination register from 'c' class.
358 (*subbqi3_carry_clobber): Fix typo.
360 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
362 * reorg.c (steal_delay_list_from_target) Check for insns that
363 modify the condition codes and effect the direction of the jump
364 in the sequence.
366 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
368 * function.c (purge_addressof_1): Replace call to
369 emit_insns_before() with emit_insn_before().
371 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
373 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
375 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
377 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
379 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
381 * gcse.c (compute_hash_table): Correctly identify hard regs which are
382 clobbered across calls.
384 * loop.c (scan_loop): Be more selective about what invariants are
385 moved out of a loop.
387 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
389 * version.c: Bump for snapshot.
391 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
393 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
394 static eh_context structure.
396 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
398 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
399 callers changed.
400 (try_combine): Don't update max_scratch.
401 * flow.c (max_scratch, num_scratch): Delete variables.
402 (life_analysis_1): Don't initialize max_scratch.
403 (propagate_block): Don't update max_scratch.
404 (mark_set_1): Don't increment num_scratch.
405 * regs.h (max_scratch): Delete declaration.
407 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
409 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
410 is nonzero. This is temporary!
412 * sched.c (update_flow_info): Handle death notes made invalid by
413 instruction splitting. Partially reverts Oct 15, 1998 patch.
414 * haifa-sched.c (update_flow_info): Likewise.
416 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
418 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
419 if it has a nonzero DECL_INITIAL.
421 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
423 * Makefile.in (flow.o): Depend on recog.h.
425 * cpplib.h (directive_table): Add missing initializiers.
426 (finclude): Change type of variable `bsize' to size_t.
428 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
430 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
432 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
433 `int' when comparing against one.
434 (cpp_file_line_for_message): Mark parameter `pfile' with
435 ATTRIBUTE_UNUSED.
436 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
438 * flow.c: Include recog.h.
439 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
441 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
442 `f' with ATTRIBUTE_UNUSED.
443 (reposition_prologue_and_epilogue_notes): Likewise.
445 * genopinit.c (gen_insn): Cast argument of ctype functions to
446 `unsigned char'.
448 * haifa-sched.c: Include recog.h.
449 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
450 comparing against one.
452 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
454 * mips-tfile.c (parse_end): Cast the argument of ctype function to
455 `unsigned char'.
456 (parse_ent): Likewise.
457 (parse_input): Likewise.
459 * optabs.c (init_libfuncs): Likewise.
461 * protoize.c (find_rightmost_formals_list): Likewise.
463 * recog.h (const_double_operand): Fix typo in prototype.
465 * tlink.c (scan_linker_output): Cast the argument of ctype
466 function to `unsigned char'.
468 * toplev.c (check_lang_option): Cast the result of `strlen' to
469 `int' when comparing against one.
471 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
473 * gcse.c (dump_cuid_table): Correct typo.
475 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
477 * toplev.c (display_help): Prepend '-m' to target specific
478 options.
479 (check_lang_option): Ignore text after end of first word of a
480 language specific option.
482 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
484 * reload1.c (reg_used_by_pseudo): New static variable.
485 (choose_reload_regs): Initialize it.
486 Use it instead of testing spill_reg_order to determine whether a
487 pseudo is live in a hard register across the current insn.
488 Fix a typo in a reference to reload_reg_rtx.
490 * flow.c (propagate_block): Replace code that computes and uses
491 regs_sometimes_live with simpler code that just walks the set of
492 currently live registers.
494 * Makefile.in (insn-extract.o): Fix dependencies.
495 * genextract.c (main): Generate includes for insn-config.h and
496 recog.h.
497 Delete generation of declarations which are now in recog.h.
498 * genrecog.c (main): Delete generation of definitions which are
499 now in recog.c.
500 * local-alloc.c (block_alloc): Use extract_insn and the variables
501 it sets up instead of looking up values by insn_code.
502 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
503 recog_dup_num): Define here instead of generating the definition in
504 genrecog.c.
505 (recog_n_operands, recog_n_dups, recog_n_alternatives,
506 recog_operand_mode, recog_constraints, recog_operand_address_p):
507 New variables.
508 (extract_insn): New function.
509 * recog.h (extract_insn): Declare function.
510 (which_alternative, recog_n_operands, recog_n_dups,
511 recog_n_alternatives, recog_operand_mode, recog_constraints,
512 recog_operand_address_p): Declare variables.
513 * regclass.c (n_occurrences): New static function.
514 * reload.c (n_occurrences): Delete function.
515 (find_reloads): Use extract_insn.
516 * reload.h (n_occurrences): Delete declaration.
518 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
520 * reload1.c (reload_as_needed): Fix test for when to call
521 update_eliminable_offsets.
523 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
525 Fix consistency problems with reg_equiv_{mem,address};
526 Improve reload inheritance;
528 * reload.c (reload_out_reg): New variable.
529 (loc_mentioned_in_p, remove_address_replacements): New functions.
530 (remove_replacements): Deleted.
531 (push_reload): Set reload_out_reg[i].
532 When merging, also set reload_{in,out}_reg[i], and remove
533 duplicate address reloads.
534 (combine_reloads): Copy reload_out_reg[i].
535 (find_reloads): Do make_memloc substitution also when
536 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
537 are both nonzero.
538 Include *recog_operand_loc in commutativity operand changes.
539 Generate optional output reloads.
540 Delete reference to n_memlocs. Don't set *recog_operand_loc before
541 processing operands. Call make_memloc in reg_equiv_address code.
542 Set *recog_operand_loc only after processing operands, and only
543 if replace is true. Return a value.
544 When changing address reload types for operands that didn't get
545 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
546 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
547 Don't emit USEs for pseudo SUBREGs when not replacing.
548 (find_reloads_address): Do make_memloc substitution also when
549 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
550 are both nonzero.
551 (find_reloads_toplev): Likewise.
552 Call make_memloc in reg_equiv_address code.
553 (debug_reload_to_stream): Add code to output reload_out_reg.
554 (make_memloc): Delete local variable i, ifdefed out code, and
555 references to memlocs and n_memlocs.
556 (memlocs, n_memlocs): Delete.
557 (push_secondary_reload): Clear reload_out_reg.
558 (find_reloads_address_1): Provide memrefloc argument to all calls
559 to find_reloads_address.
560 In AUTO_INC code, handle non-directly addressable equivalences properly.
561 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
562 (find_reloads): Add return type.
563 (remove_address_replacements, deallocate_reload_reg): Declare.
564 * reload1.c (num_not_at_initial_offset): No longer static.
565 (delete_address_reloads, delete_address_reloads_1): Likewise.
566 (deallocate_reload_reg): New function.
567 (spill_reg_stored_to): New array.
568 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
569 (eliminate_regs_in_insn): Move assignments of previous_offset and
570 max_offset fields, and recalculation of num_not_at_initial_offset
571 into new static function:
572 (update_eliminable_offsets) .
573 (reload_as_needed): Call update_eliminable_offsetss after calling
574 find_reloads.
575 Call forget_old_reloads_1 with contents of reloaded auto_inc
576 expressions if the actual addressing can't be changed to match the
577 auto_inc.
578 (choose_reload_regs): For inheritance, replace
579 reload_reg_free_before_p test with reload_reg_used_at_all test, and
580 remove stand-alone reload_reg_used_at_all test.
581 Use reload_out_reg to determine which reload regs have output reloads.
582 Treat reload_override_in more similar to inherited reloads.
583 Handle (subreg (reg... for inheritance.
584 For flag_expensive_optimizations, add an extra pass to remove
585 unnecessary reloads from known working inheritance.
586 Delete obsolete code for pseudos replaced with MEMs.
587 Handle inheritance from auto_inc expressions.
588 (emit_reload_insns): If reload_in is a MEM, set OLD to
589 reload_in_reg[j].
590 Don't reload directly from oldequiv; if it's a pseudo with a
591 stack slot, use reload_in[j].
592 Check that reload_in_reg[j] is a MEM before replacing reload_in
593 from reg_reloaded_contents.
594 Include non-spill registers in reload inheritance processing.
595 Also try to use reload_out_reg to set spill_reg_store /
596 reg_last_reload_reg.
597 In code to set new_spill_reg_store, use single_set to find out if
598 there is a single set.
599 Add code that allows to delete optional output reloads.
600 Add code to allow deletion of output reloads that use no spill reg.
601 At the end, set reload_override_in to oldequiv.
602 Also call delete_output_reload if reload_out_reg is equal to old
603 in oldequiv code.
604 Add code to call delete_output_reload for stores with no matching load.
605 Set / use spill_reg_stored_to.
606 Handle case where secondary output reload uses a temporary, but
607 actual store isn't found.
608 When looking for a store of a value not loaded in order to call
609 delete_output_reload, count_occurences should return 0 for no
610 loads; but discount inherited input reloadill_reg_stored_to.
611 Do checks for extra uses of REG. Changed all
612 callers.
613 Use delete_address_reloads.
614 (reload): Take return value of find_reloads into account.
615 If a no-op set needs more than one reload, delete it.
616 (reload_reg_free_before_p): RELOAD_FOR_INPUT
617 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
618 for the same operand.
619 (clear_reload_reg_in_use): Check for other reloads that keep a
620 register in use.
621 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
622 RELOAD_FOR_OPADDR_ADDR.
623 Take into account when an address address reload is only needed
624 for the address reload we are considering.
625 (count_occurrences): Use rtx_equal_p for MEMs.
626 (inc_for_reload): Return instruction that stores into RELOADREG.
627 New argument two, IN, and rtx. Changed all callers.
628 (calculate_needs_all_insns, reload_as_needed):
629 Don't clear after_call for a CLOBBER.
630 Keep track of how many hard registers need to be copied from
631 after_call, and don't clear after_call before we have seen
632 that much copies, or we see a different instruction.
634 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
636 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
637 after reload has completed.
639 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
641 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
642 a macro name and the next token with a single blank if that whitespace
643 is in a macro buffer and the next token is not '('.
645 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
647 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
648 (rescan): Ditto.
649 (skip_if_group): Ditto.
650 (skip_to_end_of_comment): Ditto.
651 (macarg1): Ditto.
652 (discard_comments): Ditto.
653 (change_newlines): Ditto.
655 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
657 * c-lex.c (yylex): Fix unaligned access of wchar_t.
659 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
661 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
662 (TARGET_OPTIONS): Add --help documentation.
664 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
666 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
668 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
670 * fixinc/* Moved in from ../contrib directory in preparation
671 for integrating it into the normal build process. In particular,
672 fixinc/Makefile.in must be config-ed into the build directory
673 as fixinc/Makefile. Proposed patches to ./Makefile.in and
674 ./configure.in will be "in the mail" momentarily.
676 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
678 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
679 accidently walk into the free list. Comment how that can happen.
680 (invalidate): Fix indentation.
682 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
683 Jeffrey A Law (law@cygnus.com)
685 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
686 reload. Never perform rescans of the insn chain after reload.
687 (propagate_block): Do not delete insn or create new autoinc addressing
688 modes after reload.
690 * jump.c (jump_optimize): Unconditionally use the code that was
691 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
692 * reload1.c (reload): When reloading is finished, delete all
693 REG_DEAD and REG_UNUSED notes.
694 (emit_reload_insns): Delete all code that was conditional on
695 PRESERVE_DEATH_INFO_REGNO_P.
696 (no_longer_dead_regs): Delete variable.
697 (reload_cse_delete_death_notes): Delete function.
698 (reload_cse_no_longer_dead): Delete function.
699 (reload_cse_regs_1): Delete all code to handle deletion of death
700 notes.
701 (reload_cse_noop_set_p): Likewise.
702 (reload_cse_simplify_set): Likewise.
703 (reload_cse_simplify_operands): Likewise.
704 (reload_cse_move2add): Likewise.
705 * reorg.c (used_spill_regs): Delete declaration.
706 (max_label_num_after_reload): Delete declaration.
707 (find_dead_or_set_registers): Don't assume that spill regs are
708 dead at a CODE_LABEL.
709 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
710 even after reload.
711 * sched.c (sched_analyze_insn): Likewise.
712 (update_flow_info): Likewise.
713 * haifa-sched.c (sched_analyze_insn): Likewise.
714 (update_flow_info): Likewise.
715 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
716 * toplev.c (max_label_num_after_reload): Delete variable.
717 (rest_of_compilation): Don't set max_label_num_after_reload.
718 Call life_analysis after reload_cse_regs if optimizing.
719 * config/gmicro/gmicro.h: Delete comment referring to
720 PRESERVE_DEATH_INFO_REGNO_P.
721 * config/i386/i386.h: Likewise.
722 * config/m88k/m88k.h: Likewise.
723 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
724 * config/sh/sh.h: Likewise.
726 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
728 * loop.c (strength_reduce): Restore marking bct_p as
729 ATTRIBUTE_UNUSED.
730 * rs6000.c (optimization_options): Change #ifdef HAIFA to
731 HAVE_decrement_and_branch_on_count.
732 (small_data_operand): Remove TARGET_ELF condition for marking
733 parameters ATTRIBUTE_UNUSED.
735 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
737 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
738 (SELECT_SECTION): Resync with svr4.h.
740 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
742 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
743 ATTRIBUTE_UNUSED.
745 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
747 * c-pragma.c (handle_pragma_token): Test for null tree before
748 dereferencing TREE_CODE.
750 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
752 * config/c4x/c4x.c: Convert to use GEN_INT.
753 (c4x_parallel_process): Rework to handle new repeat loop structure.
755 * config/c4x/c4x.md: Convert to use GEN_INT.
756 (rptb_end): Convert to use GE test. Replace uses with clobbers.
757 (decrement_and_branch_on_count): Likewise.
759 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
760 loop.c has the desired functionality.
761 (rc_reg_operand): New prototype.
763 * config/c4x/t-c4x: Can now build all front ends.
765 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
767 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
769 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
771 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
772 * config/t-rtems: Do not install assert.h -- use newlib's.
774 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
776 * combine.c (combine_instructions): When finished, call init_recog.
777 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
779 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
781 * toplev.c: If flag_syntax_only, don't open or write assembler file.
783 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
785 * cppalloc.c (memory_full): Mark function prototype with
786 ATTRIBUTE_NORETURN.
788 * demangle.h (collect_exit): Likewise.
790 * fix-header.c (v_fatal, fatal): Likewise.
792 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
793 Likewise.
795 * gcov.c (print_usage): Likewise.
797 * genattr.c (fatal, fancy_abort): Likewise.
799 * genattrtab.c (fatal, fancy_abort): Likewise.
801 * gencodes.c (fatal, fancy_abort): Likewise.
803 * genconfig.c (fatal, fancy_abort): Likewise.
805 * genemit.c (fatal, fancy_abort): Likewise.
807 * genextract.c (fatal, fancy_abort): Likewise.
809 * genflags.c (fatal, fancy_abort): Likewise.
811 * genopinit.c (fatal, fancy_abort): Likewise.
813 * genoutput.c (fatal, fancy_abort): Likewise.
815 * genpeep.c (fatal, fancy_abort): Likewise.
817 * genrecog.c (fatal, fancy_abort): Likewise.
819 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
820 __sjpopnthrow, __throw): Likewise.
822 * objc/objc-act.c (objc_fatal): Likewise.
824 * protoize.c (usage, aux_info_corrupted,
825 declare_source_confusing): Likewise.
827 * rtl.c (dump_and_abort): Likewise.
829 * rtl.h (sets_cc0_p): Likewise.
831 * toplev.c (float_signal, pipe_closed): Likewise.
833 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
835 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
836 when generating the decision tree for the general case.
838 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
839 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
841 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
843 * Makefile.in (sched.o): Depend on recog.h.
845 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
846 (unsigned) when comparing against one.
847 (find_base_value): Likewise.
848 (record_base_value): Cast variable `regno' to (unsigned) when
849 comparing against one. Cast the result of REGNO() macro to
850 (unsigned) when comparing against one.
851 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
852 unsigned.
853 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
854 variable where an unsigned index is needed.
856 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
857 before comparing against one.
859 * collect2.c: Add prototypes for functions `error', `fatal' and
860 `fatal_perror'. Make these functions take variable arguments
861 instead of faking it with a fixed number of args.
862 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
863 char).
865 * combine.c (can_combine_p): Mark parameter `pred' with
866 ATTRIBUTE_UNUSED.
867 (find_split_point): Cast variable `src' to (unsigned
868 HOST_WIDE_INT) when comparing against one.
869 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
870 (simplify_logical): Likewise.
871 (force_to_mode): Cast result of INTVAL() macro to (unsigned
872 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
873 HOST_WIDE_INT) in shift.
874 (simplify_and_const_int): Cast result of INTVAL() macro to
875 `unsigned HOST_WIDE_INT' when comparing against one.
876 (merge_outer_ops): Cast variable const0 to `unsigned
877 HOST_WIDE_INT' when comparing against the result of
878 GET_MODE_MASK() macro.
879 (simplify_comparison): Likewise for variable `c0'. Cast variable
880 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
881 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
882 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
883 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
884 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
885 comparing against one.
886 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
888 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
889 macro to `unsigned HOST_WIDE_INT' when comparing against one.
890 (output_block_move): Cast `sizeof' expression to (int) when
891 comparing against one.
892 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
893 against one.
894 (save_restore_insns): Cast `base_offset' to `long' to match format
895 specifier in fprintf.
897 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
898 to `enum machine_mode'.
900 * flow.c (life_analysis_1): Remove unused variable `insn'.
902 * gcc.c (translate_options): Move variables `j' and `k' into the
903 scope in which they are used. Change their types to `size_t'.
904 (set_spec): Cast the argument of ctype macro to `unsigned char'.
905 (read_specs): Likewise.
906 (process_command): Cast `sizeof' to (int) when comparing against one.
907 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
908 (handle_braces): Cast both sides of `==' expression to `long' to
909 ensure sign matching.
910 (main): Cast variable `i' to `int' when comparing against one.
912 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
913 int to size_t. Cast variable `i' to size_t when comparing against
914 one.
916 * genattrtab.c (convert_set_attr_alternative): Remove unused
917 parameter `insn_code'. All callers changed.
918 (convert_set_attr): Likewise.
920 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
921 size_t when comparing against one. Likewise for variable `len'.
923 * global.c (global_alloc): Cast variable `max_regno' to size_t
924 when comparing against one. Likewise for variable `max_allocno'.
926 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
928 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
929 `set' with ATTRIBUTE_UNUSED.
930 (find_free_reg): Cast `sizeof' expression to (int) when comparing
931 against one.
933 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
934 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
935 (get_condition): Cast variable `const_val' to `unsigned
936 HOST_WIDE_INT' when comparing against one. Cast unsigned
937 expression to HOST_WIDE_INT when comparing against one.
938 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
939 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
940 `unsigned' when comparing against one.
942 * protoize.c (is_id_char): Change type of parameter `ch' to
943 unsigned char.
944 (munge_compile_params): Cast argument of ctype macro to (const
945 unsigned char).
946 (process_aux_info_file): Cast variable `aux_info_size' to int when
947 comparing against one.
948 (forward_to_next_token_char): Cast argument of ctype macro to
949 `const unsigned char'.
950 (edit_formals_lists): Likewise.
951 (find_rightmost_formals_list): Likewise.
952 (add_local_decl): Likewise.
953 (add_global_decls): Likewise.
954 (edit_fn_definition): Likewise.
955 (do_cleaning): Likewise.
956 (scan_for_missed_items): Likewise.
957 (edit_file): Cast variable `orig_size' to (int) when comparing
958 against one.
959 (main): Cast argument of ctype macro to `const unsigned char'.
961 * recog.c (const_int_operand): Mark parameter `mode' with
962 ATTRIBUTE_UNUSED.
964 * regclass.c (record_reg_classes): Change type of variable `c' to
965 `unsigned char'. Cast `char' array index to `unsigned char'.
967 * reload.c (push_secondary_reload): Cast argument to
968 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
970 * reload1.c (calculate_needs): Cast `char' array index to
971 `unsigned char'.
972 (set_label_offsets): Change type of variable `i' to unsigned int.
973 Cast result of XVECLEN() macro to unsigned when comparing against
974 one.
975 (mark_not_eliminable): Change type of variable `i' to unsigned.
976 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
977 when comparing against one.
978 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
979 comparing against one.
980 (choose_reload_regs): Hide unused label `fail'.
981 (reload_cse_simplify_operands): Cast `char' array index to
982 `unsigned char'.
983 (reload_combine_note_store): Mark parameter `set' with
984 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
985 against one.
986 (reload_cse_move2add): Remove unused variable `src2'.
988 * sched.c: Include recog.h.
989 (sched_note_set): Remove unused parameter `b'. All callers
990 changed.
991 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
992 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
993 when comparing against one.
995 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
996 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
997 comparing against one.
999 * unroll.c (precondition_loop_p): Remove unused parameter
1000 `loop_end'. All callers changed.
1002 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1004 * reload1.c (maybe_fix_stack_asms): New static function.
1005 (reload): Call it.
1007 * reload.h (compute_use_by_pseudos): Declare.
1009 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1010 (something_needs_reloads): Delete variable.
1011 (finish_spills): New function.
1012 (compute_use_by_pseudos): New function.
1014 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1015 Use the reload_insn_chain instead of walking the rtl directly.
1017 (reload): Allocate and free spilled_pseudos.
1018 Ensure that all calls of spill_hard_reg are followed by a call to
1019 finish_spills.
1020 Use the insns_need_reload list instead of something_needs_reloads
1021 to find out if reload_as_needed must be called.
1022 Clear unused_insn_chains at the end.
1024 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1025 changed.
1026 Delete code to keep track of current basic block.
1027 Walk reload_insn_chain instead of the rtl structure. Build the
1028 insns_need_reload chain.
1029 Remember which insns need reloading/elimination by setting the
1030 appropriate fields in struct insn_chain, not by putting modes on the
1031 insn.
1033 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1034 arg INSN. All callers changed.
1035 Delete declaration of struct needs.
1036 Don't set something_needs_reloads.
1037 Record insn needs in the CHAIN argument.
1039 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1041 (reload_as_needed): Lose FIRST arg. All callers changed.
1042 Walk the reload_insn_chain instead of the rtx structure.
1043 Delete code to keep track of current basic block.
1044 Rename one of the NEXT variables to OLD_NEXT.
1046 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1047 callers changed.
1048 (choose_reload_regs): Likewise.
1050 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1051 callers changed.
1053 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1054 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1055 (hard_regs_live, hard_regs_need_restore): Delete variables.
1056 (n_regs_saved): Now static.
1057 (referenced_regs, this_insn_sets): New variables.
1059 (setup_save_areas): Restructure the code a bit.
1061 (restore_referenced_regs): Delete function.
1062 (mark_referenced_regs): New function, similar to the old
1063 restore_referenced_regs, but mark registers in referenced_regs.
1065 (clear_reg_live): Delete function.
1066 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1067 Only mark registers in this_insn_sets.
1069 (save_call_clobbered_regs): Rework this function to walk the
1070 reload_insn_chain instead of using the list of instructions directly.
1071 Delete code to keep track of register lives, compute live regs on the
1072 fly from information in the chain.
1073 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1074 then walk the set it computes and call insert_restore as appropriate.
1076 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1077 callers changed.
1078 Restructure the code a bit. Test hard_regs_saved instead of
1079 hard_regs_need_restore.
1080 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1081 args. All callers changed.
1082 Restructure the code a bit. Use TO_SAVE to determine which regs to
1083 save instead of more complicated test.
1084 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1085 callers changed.
1086 Create a new insn_chain structure for the new insn and place it
1087 into the chain.
1089 * rtl.texi: Update documentation to reflect that reload no longer
1090 puts modes on the insns.
1092 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1094 * function.c (purge_addressof_1): Force the first argument of a
1095 CALL insn to memory.
1097 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1099 * rtl.h: Delete duplicate prototypes. Add some missing
1100 prototypes.
1101 * rtlanal.c: (for_each_rtx): Formatting tweak.
1103 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1105 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1106 to be compatible with TI compiler.
1108 * Makefile.in (USER_H): Add va-c4x.h to definition.
1110 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1112 * function.c (purge_addressof_1): Fix typo in inequality: do
1113 bitfield optimization for equal mode sizes.
1114 * expmed.c (store_bit_field): Don't take subregs of subregs in
1115 the movstrict case. Tidy a potential problem in the multi-word case.
1116 (extract_bit_field): Likewise.
1118 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1120 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1121 function.
1122 Compute max_uid_for_flow by calling get_max_uid after the scan.
1123 (find_basic_blocks_1): Don't emit NOPs here.
1125 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1127 * alias.c (base_alias_check): Accept new args for the modes of the
1128 two references. Use them to determine if an AND can overlap. Update
1129 all callers.
1130 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1131 to determine if an AND can overlap.
1133 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1135 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1136 check. Add comment to document problems with TARGET_SUN_FPA version
1137 of this macro.
1138 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1140 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1144 * c-common.c (print_char_table): Add missing initializers.
1145 (scan_char_table): Likewise.
1146 (time_char_table): Likewise.
1148 * c-decl.c (c_decode_option): Mark parameter `argc' with
1149 ATTRIBUTE_UNUSED.
1150 (declare_parm_level): Mark parameter `definition_flag' with
1151 ATTRIBUTE_UNUSED.
1153 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1154 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1155 against one.
1157 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1158 callers changed.
1159 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1160 ATTRIBUTE_UNUSED.
1161 (expand_call): Cast result of MIN() to (unsigned int) when
1162 comparing against an unsigned value.
1164 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1165 callers changed.
1166 (make_definition): Remove unused parameter `op'. All callers
1167 changed.
1168 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1169 comparing against the result of pointer arithmetic.
1171 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1172 when comparing against one.
1174 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1175 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1176 one.
1177 (output_die): Move variable `i' into the scope in which it is
1178 used. Change its type to `unsigned'.
1179 (output_die): Cast the result of `strlen' to (int) when passing it
1180 to ASM_OUTPUT_ASCII().
1181 (output_pubnames): Likewise.
1182 (output_line_info): Likewise.
1184 * emit-rtl.c (global_rtl): Add missing initializers.
1186 * explow.c (promote_mode): Mark parameter `for_call' with
1187 ATTRIBUTE_UNUSED.
1189 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1190 `unsigned HOST_WIDE_INT' when comparing against one.
1191 (synth_mult): Change type of variable `cost' to int.
1192 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1194 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1195 when comparing against one.
1196 (get_inner_reference): Change variable `alignment' to unsigned.
1197 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1198 int) when comparing against one.
1199 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1201 * fold-const.c (div_and_round_double): Cast BASE to
1202 (HOST_WIDE_INT) when comparing against one.
1204 * gencheck.c: Include gansidecl.h.
1205 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1207 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1208 `tcode' with ATTRIBUTE_UNUSED.
1210 * real.c (edivm): Cast constant value to (unsigned long) in
1211 expression compared against an unsigned value.
1213 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1214 comparing against one.
1215 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1216 when comparing against one.
1218 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1219 (unsigned int) when comparing against one. Likewise for
1220 GET_MODE_BITSIZE.
1221 (smallest_mode_for_size): Likewise.
1222 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1223 (restore_storage_status): Likewise.
1225 * toplev.c (debug_args): Add missing initializer.
1226 (f_options): Spelling correction. Add missing initializers.
1227 (documented_lang_options): Likewise.
1228 (debug_end_source_file): Mark parameter `lineno' with
1229 ATTRIBUTE_UNUSED.
1231 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1232 `decl' and `type' with ATTRIBUTE_UNUSED.
1234 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1235 when comparing against one.
1236 (assemble_variable): Mark parameter `top_level' with
1237 ATTRIBUTE_UNUSED.
1238 (assemble_external_libcall): Mark parameter `fun' with
1239 ATTRIBUTE_UNUSED.
1240 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1241 ATTRIBUTE_UNUSED.
1243 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1245 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1246 Replace use of r5 with use of r19.
1248 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1250 * config/v850/v850.c (compute_register_save_size): Allow for the
1251 fact that helper functions save all registers, not just those used
1252 by the function.
1254 Replace constant 31 with macro LINK_POINTER_REGNUM.
1256 * config/v850/v850.md: Use 'indirect_operand' rather than
1257 'memory_operand' for bit test/set/clear patterns.
1259 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1261 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1262 * varasm.c (assemble_start_function et al): Don't call
1263 ASM_GLOBALIZE_LABEL for weak symbols.
1265 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1267 * cse.c (equiv_constant): Check for NULL return from
1268 gen_lowpart_if_possible().
1270 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1272 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1274 * collect2.c (main): Pass -EL/-EB through to the compiler.
1276 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1278 * expr.c (push_block): Handle targets where the stack grows
1279 to higher addresses, but args grow to lower addresses and
1280 ACCUMULATE_OUTGOING_ARGS is not defined.
1282 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1284 * config/v850/v850.c (print_operand): Extend meaning
1285 of 'c' operands to support .vtinherit.
1287 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1289 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1290 Added ATTRIBUTE_UNUSED to unused function arguments.
1291 (rc_reg_operand): New predicate.
1292 (c4x_rptb_insert): New function.
1293 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1294 (c4x_optimization_options): New function.
1296 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1297 (decrement_and_branch_on_count): New pattern.
1298 (rptb_top): Modified pattern to work with BCT optimization.
1300 * config/c4x/c4x.h (RC_REG): New register class.
1301 (rc_reg_operand): Define prototype.
1302 (IS_RC_REG): New macro.
1303 (IS_RC_OR_PSEUDO_REG): New macro.
1304 (IS_RC_OR_PSEUDO_REGNO): New macro.
1305 (OPTIMIZATION_OPTIONS): Define.
1307 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1309 * collect2.c (extract_init_priority): No priority is 65535.
1311 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1313 * Makefile.in (build_tooldir): new variable, same as old
1314 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1315 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1316 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1318 * configure.in (gxx_include_dir): set default based on unlibsubdir
1319 * Makefile.in (tooldir): ditto
1320 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1321 gxx_include_dir, includedir and tooldir
1322 (protoize.o, unprotoize.o): ditto
1324 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1326 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1328 * config/arm/thumb.c (thumb_override_options): Add warning about
1329 PIC code not being supported just yet.
1331 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1333 * flow.c: Update comment.
1334 (notice_stack_pointer_modification): New static function.
1335 (record_volatile_insns): Use it.
1336 (mark_regs_live_at_end): Mark the stack pointer as alive
1337 at the end of the function if current_function_sp_is_unchanging
1338 is set.
1339 (life_analysis_1): Set current_function_sp_is_unchanging.
1340 * function.c: Define it.
1341 (init_function_start): Initialize it.
1342 * output.h: Declare it.
1343 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1344 the stack pointer as alive at the end of the function if
1345 current_function_sp_is_unchanging is set.
1346 * i386.c (ix86_epilogue): Optimize the restoring
1347 of the stack pointer.
1349 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1351 * version.c: Bump for snapshot.
1353 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1355 * c-pragma.c (handle_pragma_token): If passed a token instead
1356 of a tree, use that as the pack value.
1358 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1360 * flow.c (find_basic_blocks_1): Fix prototype.
1362 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1364 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1365 (struct tree_decl): New fields no_check_memory_usage.
1366 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1367 (init_attributes): Register it as a new attribute.
1368 (decl_attributes): Set flags on functions given that attribute.
1369 * c-decl.c (duplicate_decls): Merge new attribute.
1370 * expr.h (current_function_check_memory_usage): Declare new var.
1371 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1372 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1373 current_function_check_memory_usage.
1374 * function.h: Add field to struct function.
1375 * function.c (current_function_check_memory_usage): Define it.
1376 (push_function_context_to, pop_function_context_from): Save and
1377 restore it.
1378 (expand_function_start): Set it, based on global flag and function
1379 attribute.
1381 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1382 check non-automatic variables, to permit detection of writes to
1383 read-only locations in embedded systems without memory management.
1384 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1385 when emitting chkr_set_right_libfunc call, even if the argument is
1386 BLKmode or variable-sized; don't abort.
1388 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1389 symbols in Pmode, not VOIDmode.
1391 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1393 * cppexp.c: When forcing unsigned comparisons, cast both sides
1394 of the operation.
1396 * cpphash.h: Move static declaration of hashtab[]...
1397 * cpphash.c: ...here.
1399 * cpplib.c: Cast difference of two pointers to size_t before
1400 comparing it to size_t. Cast signed to unsigned
1401 before comparing to size_t. (FIXME: struct argdata should use
1402 unsigned buffer sizes.)
1403 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1404 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1405 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1406 size_t before comparison.
1408 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1410 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1411 (find_basic_blocks_1): Similarly.
1412 * output.h (find_basic_blocks): Fix prototype.
1413 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1414 find_basic_blocks anymore.
1416 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1418 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1419 (sbitmap_free, sbitmap_vector_free): New macros.
1420 * output.h (rtl_dump_file): Declare.
1422 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1424 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1426 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1428 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1429 (DFtype): Likewise.
1430 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1431 (divide): Remove unused variable `tmp'.
1432 (si_to_float): Cast numeric constant to (SItype) before comparing
1433 it against one.
1435 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1437 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1438 * gcc.c (add_preprocessor_option): Correct typo when allocating
1439 memory, sizeof() argument had one too many `*'.
1440 (add_assembler_option): Likewise.
1441 (add_linker_option): Likewise.
1442 * gcov.c (output_data): Likewise.
1443 * local-alloc.c (memref_used_between_p): Likewise.
1444 (update_equiv_regs): Likewise.
1445 * loop.c (strength_reduce): Likewise.
1446 * reg-stack.c (record_asm_reg_life): Likewise.
1447 (subst_asm_stack_reg): Likewise.
1448 * reorg.c (dbr_schedule): Likewise.
1450 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1452 * flow.c (life_analysis_1): Break out some functions.
1453 (find_basic_blocks_1): Likewise. Also move some variables out and
1454 make them static.
1455 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1456 new static var nonlocal_label_list with it.
1457 (active_eh_region, nested_eh_region, label_value_list,
1458 nonlocal_label_list): New static variables.
1459 (make_edges, delete_unreachable_blocks, delete_block): New static
1460 functions, broken out of find_basic_blocks_1.
1461 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1462 noop_move_p): New static functions, broken out of life_analysis_1.
1464 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1466 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1467 Take extra care for op0 now possibly being a subreg.
1468 (extract_bit_field): Likewise.
1469 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1470 the reg to memory if there is no equal sized integral mode.
1471 * stor-layout.c (int_mode_for_mode): New function.
1472 * machmode.h: Prototype it.
1474 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1476 * global.c (build_insn_chain): Verify no real insns exist past the
1477 end of the last basic block, then exit the loop.
1479 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1481 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1483 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1485 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1487 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1489 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1491 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1493 * flow.c (find_basic_blocks): Correctly determine when a call
1494 is within an exception region.
1496 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1498 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1500 * cpplib.h: Protect from multiple inclusions.
1501 * cpplib.c: Fix minor formatting problems.
1503 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1505 * jump.c (jump_optimize): Revert accidental patch.
1507 * Makefile.in (cpplib.o): Use unlibsubdir.
1509 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1511 * loop.c (get_condition): Allow combine when either compare is
1512 VOIDmode.
1514 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1516 * version.c: Bump for snapshot.
1518 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1520 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1521 (init_lex): Initialize ridpointers[RID_BYREF].
1522 * c-lex.h (enum rid): Add RID_BYREF.
1523 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1524 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1525 (encode_type_qualifiers): Similarly
1526 * c-gperf.h: Rebuilt.
1528 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1530 * c-common.c (type_for_mode): Only return TItype nodes when
1531 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1532 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1533 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1534 (init_decl_processing): Only create TItype nodes when
1535 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1536 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1537 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1539 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1541 * stmt.c (n_occurrences): New static function.
1542 (expand_asm_operands): Verify that all constrains match in the
1543 number of alternatives.
1544 Verify that '+' or '=' are at the beginning of an output constraint.
1545 Don't allow '&' for input operands.
1546 Verify that '%' isn't written for the last operand.
1547 * reload.c (find_reloads): Abort if an asm is found with invalid
1548 constraints; all possible problems ought to be checked for earlier.
1550 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1552 * flags.h (flag_branch_on_count_reg): Always declare
1553 * toplev.c (flag_branch_on_count_reg): Likewise.
1554 * toplev.c: Fix typos.
1556 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1557 (toc4x): Similarly.
1559 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1561 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1562 max_uids_for_flow.
1563 (find_basic_blocks_1): Add a nop to the end of a basic block when
1564 a trailing call insn does not have abnormal control flow.
1565 * gcse.c (pre_transpout): New variable.
1566 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1567 (compute_pre_transpout): Calculate it.
1568 (compute_pre_ppinout): Use it to eliminate impossible placements
1569 due to abnormal control flow through calls.
1570 (compute_pre_data): Call compute_pre_transpout.
1572 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1574 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1576 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1578 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1579 and matching define_insns): Tack on a `use' of the table label, so
1580 flow analysis will recognize a tablejump.
1582 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1584 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1585 always end basic blocks for abnormal edge reasons.
1587 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1589 * config/i386/i386.h: Remove definition of
1590 HANDLE_PRAGMA_PACK_PUSH_POP.
1592 * config/i386/go32.h: Add definition of
1593 HANDLE_PRAGMA_PACK_PUSH_POP.
1595 * config/i386/win32.h: Add definition of
1596 HANDLE_PRAGMA_PACK_PUSH_POP.
1598 * config/i386/cygwin32.h: Add definition of
1599 HANDLE_PRAGMA_PACK_PUSH_POP.
1601 * c-pragma.c (insert_pack_attributes): Do not insert
1602 attributes unless #pragma pack(push,<n>) is in effect.
1604 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1606 * expr.c (emit_group_store): Handle a PARALLEL destination.
1608 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1610 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1611 the new insns before the argument regs are loaded.
1613 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1615 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1616 (c-parse.gperf): Update comments describing invocation flags.
1617 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1619 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1621 * reload1.c (reload): Call free before clobbering the memory
1622 locations or constants pointers.
1624 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1626 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1627 for efficiency by checking whether we need to modify the current
1628 stack permission at all.
1629 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1630 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1631 __enable_execute_stack libcall here too if
1632 TRANSFER_FROM_TRAMPOLINE is defined.
1633 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1634 IN_LIBGCC2.
1636 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1638 * Makefile.in (DRIVER_DEFINES): Remove last change.
1640 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1642 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1643 insns we're going to copy.
1644 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1646 * loop.c (count_one_set): Add prototype.
1648 * caller-save.c (restore_referenced_regs): Lose mode argument.
1649 (insert_save): Lose mode argument.
1650 (insert_restore): Lose mode argument.
1651 (insert_one_insn): Lose mode argument.
1652 (save_call_clobbered_regs): Lose mode argument.
1653 (setup_save_areas): Take no argument and return void. All callers
1654 changed.
1655 Don't verify validity of memory addresses.
1656 * reload.h (setup_save_ares): Adjust prototype.
1657 (save_call_clobbered_regs): Likewise.
1658 * reload1.c (delete_caller_save_insns): New function.
1659 (caller_save_spill_class): Delete variable.
1660 (caller_save_group_size): Delete variable.
1661 (reload): Call setup_save_areas and save_call_clobbered_regs
1662 in the main loop, before calling calculate_needs_all_insns.
1663 Don't call save_call_clobbered_regs after the loop.
1664 Call delete_caller_save_insns at the end of an iteration if
1665 something changed.
1666 Delete code to manage caller_save_spill_class.
1667 Emit the final note before setting reload_first_uid.
1668 Simplify test that determines whether reload_as_needed gets run.
1669 (calculate_needs): Delete code to manage caller_save_spill_class.
1671 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1673 * collect2.c (main): Initialize ld_file_name.
1675 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1677 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1678 check for flag_function_sections.
1680 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1682 * cse.c (insert_regs): Fix bug in Sep 24 change.
1684 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1686 * flags.h (flag_dump_unnumbered): Declare.
1687 * toplev.c (flag_dump_unnumbered): Don't declare.
1688 * print-rtl.c (flags.h): Include.
1689 (print_rtl_single): Add return value.
1690 * rtl.h (print_rtl_single): Update declaration.
1691 * flow.c (flag_dump_unnumbered): Don't declare.
1692 (print_rtl_with_bb): Use return value of print_rtl_single.
1694 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1696 * loop.c (count_one_set): New static function, broken out of
1697 count_loop_regs_set
1698 (count_loop_regs_set): Call it.
1699 * global.c (mark_reg_store): Handle clobbers here by not calling
1700 set_preference.
1701 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1702 is in fact a clobber.
1703 * integrate.c (process_reg_param): New function, broken out of
1704 expand_inline_function.
1705 (expand_inline_function): Call it.
1708 * i386.md (addsidi3_1): Delete unused variable temp.
1709 (addsidi3_2): Likewise.
1710 (clstrstrsi): Delete unused variable addr1.
1712 * rtl.h: Don't declare any functions also declared in recog.h.
1714 * Makefile.in (stupid.o): Update dependencies.
1715 (global.o): Likewise.
1717 * global.c: Include reload.h
1718 (reg_becomes_live): New function.
1719 (reg_dies): New function.
1720 (build_insn_chain): New function.
1721 (global_alloc): Call build_insn_chain before calling reload.
1723 * reload.h (struct needs): New structure definition.
1724 (struct insn_chain): Likewise.
1725 (reload_insn_chain): Declare variable.
1726 (new_insn_chain): Declare function.
1729 * reload1.c (reload_startobj): New variable.
1730 (reload_insn_chain): New variable.
1731 (unused_insn_chains): New variable.
1732 (new_insn_chain): New function.
1733 (init_reload): Initialize reload_startobj, not reload_firstobj.
1734 (reload): Initialize reload_firstobj.
1735 Before returning, free everything on the reload_obstack.
1737 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1738 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1739 current_chain): New variables.
1740 (reg_where_born): Delete variable.
1741 (REG_WHERE_BORN): New macro.
1742 (find_clobbered_regs): New function.
1743 (stupid_life_analysis): Don't allocate/free reg_where_born.
1744 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1745 reg_where_dead_chain.
1746 Use REG_WHERE_BORN instead of reg_where_born.
1747 While processing the insns, build the reload_insn_chain with
1748 information about register lifetimes.
1749 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1750 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1751 changed.
1752 Compute and information about birth and death of pseudo registers in
1753 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1754 Delete code to set elements of reg_where_born.
1756 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1758 * tree.def (GOTO_EXPR): Modified documentation.
1759 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1760 goto.
1762 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1764 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1765 loop_final_value, loop_comparison_code): No longer static.
1766 (unroll_loop): Delete loop_start_value update.
1767 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1768 loop_final_value, loop_comparison_code): Extern.
1769 (loop_start_value): Delete extern.
1770 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1771 loop_comparison_value, loop_comparison_code): Delete.
1772 (loop_optimize): Remove initialization for deleted variables.
1773 (strength_reduce): Delete analyze_loop_iterations call. Only call
1774 insert_bct if flag_branch_count_on_reg set.
1775 (analyze_loop_iterations): Delete.
1776 (insert_bct): Remove iteration count calculation. Move checks for
1777 viable BCT optimization to here. Obtain iteration count from
1778 loop_iterations and correct for unrolling. Check for enough
1779 iteration to be beneficial. Comment out runtime iteration count
1780 case.
1781 (insert_bct): Print iteration count in dump file. Remove
1782 loop_var_mode and use word_mode directly.
1784 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1785 * rs6000.c (rs6000_override_options): Use it.
1786 (optimization_options): Enable use of flag_branch_on_count_reg.
1787 * rs6000.md (define_function_unit): Describe 604e.
1789 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1791 * loop.c (move_movables): Corrected threshold calculation for
1792 moved_once registers.
1794 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1796 * loop.c (combine_givs_p): Fix test for identical givs.
1798 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1800 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1801 call abort if the function is already defined.
1803 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1805 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1806 truncation is not a no-op.
1808 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1810 * version.c: Bump for snapshot.
1812 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1814 * version.c: Bump for snapshot.
1816 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1818 * expmed.c (expand_divmod): Don't widen for computing remainder
1819 if we seem to have a divmod pattern for needed mode.
1821 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1823 * cpplib.c (macroexpand): Correct off-by-one error in handling
1824 of escapes.
1826 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1828 * combine.c (expand_field_assignment): Don't do bitwise operations
1829 on MODE_FLOAT; pun to MODE_INT if possible.
1831 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1832 scott snyder <snyder@d0sgif.fnal.gov>
1834 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1835 linker. Recognize mangled names in quotes.
1837 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1839 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1840 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1841 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1842 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1844 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1846 * function.c (purge_addressof_1): If trying to take a sub-word
1847 integral piece of a floating point mode, put it on the stack.
1849 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1851 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1853 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1855 * PROJECTS: Remove template friends.
1857 * collect2.c (sort_ids): Remove unused variable.
1859 * tm.texi (MATH_LIBRARY): Document.
1860 (NEED_MATH_LIBRARY): Remove.
1862 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1863 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1865 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1867 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1868 last_end to 0x7fffffff.
1870 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1872 * function.c (purge_addressof_1): Do not perform endianness
1873 corrections on bitpos, who we call will do it for us.
1875 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1877 * h8300.c (WORD_REG_USED): Fix typo.
1878 (initial_offset): Use WORD_REG_USED.
1880 * h8300.c (handle_pragma): Fix typo.
1882 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1884 * caller-save.c (insert_save_restore): Break this function up
1885 into new functions insert_restore, insert_save and insert_one_insn.
1886 All callers changed.
1887 (insert_restore): New function, mostly broken out of
1888 insert_save_restore.
1889 (insert_save): Likewise.
1890 (insert_one_insn): Likewise.
1891 (restore_referenced_regs): New argument BLOCK. All callers changed.
1892 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1893 in this function, do it in insert_one_insn instead.
1895 * reload1.c (reload): Break out some more pieces into separate
1896 functions.
1897 (dump_needs): New function, broken out of reload.
1898 (set_initial_elim_offsets): Likewise.
1899 (init_elim_table): Likewise.
1900 (update_eliminables): Likewise.
1902 * global.c (global_alloc): Delete code to manage the scratch_list.
1903 * local-alloc.c (qty_scratch_rtx): Delete.
1904 (scratch_block): Delete.
1905 (scratch_list): Delete.
1906 (scratch_list_length): Delete.
1907 (scratch_index): Delete.
1908 (alloc_qty_for_scratch): Delete.
1909 (local-alloc): Update initialization of max_qty.
1910 Delete code to manage the scratch list.
1911 Delete code to allocate/initialize qty_scratch_rtx.
1912 (block_alloc): Don't allocate quantities for scratches.
1913 Delete code to manage the scratch list.
1914 * regs.h (scratch_list): Delete declaration.
1915 (scratch_block): Delete declaration.
1916 (scratch_list_length): Delete declaration.
1917 * reload1.c (reload): Delete code to manage the scratch list.
1918 (spill_hard_reg): Likewise.
1919 (mark_scratch_live): Delete.
1921 * recog.c (alter_subreg): Delete declaration.
1923 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1925 * Makefile.in (cccp.o): Fix typo in last patch.
1927 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1929 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1930 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1932 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1934 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1935 NULL_RTX as an argument.
1937 * Makefile.in (unlibsubdir): Define.
1938 (DRIVER_DEFINES): Use unlibsubdir.
1939 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1940 (stmp-fixinc): Similarly.
1942 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1944 * regmove.c (regmove_optimize): Add variable old_max_uid.
1945 At the end of the function, update basic_block_end.
1947 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1949 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1950 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1951 arbitrary constant.
1953 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1955 * config/arm/arm.c: Improve interworking support.
1957 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1959 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1960 copied from reload_out[r] .
1962 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1964 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1965 with more than three size ranges.
1967 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1969 * rtl.c (mode_name): Add a null string at the end of the array.
1970 (mode_wider_mode): Change type to unsigned char.
1971 (mode_mask_array): New variable.
1972 (init_rtl): Update for mode_wider_mode type change.
1974 * rtl.h (mode_wider_mode): Change type to unsigned char.
1975 (mode_mask_array): Declare.
1976 (GET_MODE_MASK): Use mode_mask_array.
1978 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1980 * calls.c (expand_call) : Encapsulate code into
1981 copy_blkmode_from_reg.
1982 * expr.c (copy_blkmode_from_reg): New function.
1983 * expr.h (copy_blkmode_from_reg): New function.
1984 * integrate.c (function_cannot_inline_p): We can inline
1985 these now.
1986 (expand_inline_function): Use copy_blkmode_from_reg
1987 if needed. Avoid creating BLKmode REGs.
1988 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1989 object.
1991 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1993 * config/v850/v850.c: Add function prototypes.
1994 Add support for v850 special data areas.
1996 * config/v850/v850.h: Add support for v850 special data areas.
1998 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1999 HANDLE_PRAGMA_PACK_PUSH_POP.
2000 (push_alignment): New function: Cache an alignment requested
2001 by a #pragma pack(push,<n>).
2002 (pop_alignment): New function: Pop an alignment from the
2003 alignment stack.
2004 (insert_pack_attributes): New function: Generate __packed__
2005 and __aligned__ attributes for new decls whilst a #pragma pack
2006 is in effect.
2007 (add_weak): New function: Cache a #pragma weak directive.
2008 (handle_pragma_token): Document calling conventions. Add
2009 support for #pragma pack(push,<n>) and #pragma pack (pop).
2011 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2012 are defined enable HANDLE_PRAGMA_PACK.
2013 Move 'struct weak_syms' here (from varasm.c).
2014 Add pragma states for push and pop pragmas.
2016 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2017 if it is defined.
2019 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2020 HANDLE_GENERIC_PRAGMAS.
2022 * varasm.c: Move definition of 'struct weak_syms' into
2023 c-pragma.h.
2024 (handle_pragma_weak): Deleted.
2026 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2028 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2030 * c-decl.c (start_function): Add invocation of
2031 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2033 * tm.texi: Remove description of non-existant macro
2034 SET_DEFAULT_SECTION_NAME.
2036 (HANDLE_SYSV_PRAGMA): Document.
2037 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2039 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2041 * config.sub: Recognize i[34567]86-pc-udk as new target.
2042 * configure.in: Likewise.
2043 * config/i386/t-udk: New file.
2044 * config/i386/udk.h: New file.
2046 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2048 * reorg.c (check_annul_list_true_false): Remove unused variables.
2049 (steal_delay_list_from_target): Add missing "used_annul" variable.
2050 (try_merge_delay_insns): Close out half formed comment.
2052 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2054 * cpplib.c (macroexpand): If arg->raw_before or
2055 arg->raw_after, remove any no-reexpansion escape at the
2056 beginning of the pasted token. Correct handling of whitespace
2057 markers and no-reexpand markers at the end if arg->raw_after.
2059 * toplev.c (documented_lang_options): Recognize -include,
2060 -imacros, -iwithprefix, -iwithprefixbefore.
2061 * cpplib.c (cpp_start_read): Process -imacros and -include
2062 switches at the same time and in command-line order, after
2063 initializing the dependency-output code. Emit properly nested
2064 #line directives for them. Emit a #line for the main file
2065 before processing these switches, and don't do it again
2066 afterward.
2068 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2070 * function.c (purge_addressof_1): Use bitfield manipulation
2071 routines to handle mem mode < reg mode.
2073 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2075 * reorg.c (try_merge_delay_insns): Account for resources referenced
2076 in each instruction in INSN's delay list before trying to eliminate
2077 useless instructions. Similarly when looking at a trial insn's delay
2078 slots.
2080 * reorg.c (check_annul_list_true_false): New function.
2081 (steal_delay_list_from_{target,fallthrough}): Call it and also
2082 refine tests for when we may annul if already filled a slot.
2083 (fill_slots_from_thread): Likewise.
2084 (delete_from_delay_slot): Return newly-created thread.
2085 (try_merge_delay_isns): Use its new return value.
2087 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2089 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2090 used to compute a giv or as some other non-counting use.
2092 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2094 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2095 * local-alloc.c (find_free_reg): Use it.
2096 * global.c (find_reg): Likewise.
2097 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2099 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2100 * caller-save.c (init_caller_save): Use it.
2101 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2103 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2105 * configure.in: Add --enable-cpplib option which uses cpplib
2106 for cpp, but doesn't link cpplib into cc1. Make help text
2107 capitalization consistent.
2108 * configure: Rebuilt.
2110 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2112 * function.c (gen_mem_addressof): If the address REG is
2113 REG_USERVAR_P make the new REG be so also.
2114 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2115 in an attempt to clarify slightly.
2117 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2119 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2120 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2122 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2124 * toplev.c: Fix last patch.
2126 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2128 * loop.c (get_condition): Fix typo in May 9 change.
2130 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2132 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2134 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2136 * toplev.c (documented_lang_options): Spelling corrections.
2138 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2140 * configure.in: new flags --with-ld and --with-as, equivalent
2141 to setting LD and AS environment variables. Test whether
2142 specified arguments are GNU commands, and report them with
2143 checking messages. Use the specified AS for configure
2144 tests too.
2145 * configure: ditto
2146 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2147 * config.in: ditto
2148 * gcc.c (find_a_file): when looking for `as' and `ld', return
2149 the DEFAULT program if it exists
2150 * collect2.c (main): use DEFAULT_LINKER if it exists
2152 * gcc.c (find_a_file): the test for existence of a full
2153 pathname was reversed
2155 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2157 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2158 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2160 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2162 * tree.h (TYPE_BINFO): Document.
2164 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2166 * i386-coff.h (dbxcoff.h): Added.
2168 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2170 * toplev.c: fix bad patch around flag_data_sections.
2172 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2174 * reload1.c (reload): Use reload_address_index_reg_class and
2175 reload_address_base_reg_class when setting
2176 caller_save_spill_class. (Patch generated by Jim Wilson:
2177 wilson@cygnus.com).
2179 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2181 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2182 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2183 * expr.c (store_field): Add alias_set parameter. Set the
2184 MEM_ALIAS_SET accordingly, if the target is a MEM.
2185 (expand_assignment): Use it.
2186 (store_constructor_field): Pass 0.
2187 (expand_expr): Likewise.
2189 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2191 * flags.h: Add flag_data_sections.
2192 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2193 (compile_file): Error if flag_data_sections not supported.
2194 * varasm.c (assemble_variable): Handle flag_data_sections.
2195 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2196 * config/mips/elf.h: Likewise.
2197 * config/mips/elf64.h: Likewise.
2198 * invoke.texi: Describe -fdata-sections.
2200 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2202 * invoke.texi (-ffloat-store): Clarify that this option
2203 does not affect intermediate results -- only variables.
2205 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2207 * cpp.texi: Update for Fortran usage from Craig.
2209 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2211 * rs6000.c (function_arg_boundary): Revert accidental change on
2212 September 18.
2214 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2216 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2217 (output_mi_thunk): Declare.
2219 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2220 (output_function_profiler): Use r12 for temp, instead of r11 so
2221 that we preserve the static chain register.
2223 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2225 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2227 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2229 * sh.c (gen_shl_sext): Fix case 5.
2231 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2233 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2235 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2237 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2238 accessing variables until they are initialized via va_arg().
2240 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2242 * reload1.c (reload_combine): Initialize set before using.
2244 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2246 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2247 won't be emitting.
2249 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2251 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2252 operand3 with mask before using it. Patch provided by Jim Wilson.
2254 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2256 * config/sparc/sparc.c (function_value): Perform the equivalent of
2257 PROMOTE_MODE for ARCH64.
2258 (eligible_for_epilogue_delay): Allow DImode operations in delay
2259 slot of a return for ARCH64.
2261 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2263 * sh.md (sqrtsf2): Fix mode of sqrt.
2265 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2267 * reload1.c (choose_reload_regs): Also try inheritance when
2268 reload_in is a stack slot of a pseudo, even if we already got a
2269 reload reg.
2271 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2273 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2274 (reload_cse_regs): New function body: call reload_cse_regs_1,
2275 reload_combine, reload_cse_move2add.
2276 When doing expensive_optimizations, call reload_cse_regs_1 a
2277 second time after reload_cse_move2add.
2278 (reload_combine, reload_combine_note_store): New functions.
2279 (reload_combine_note_use): New function.
2280 (reload_cse_move2add, move2add_note_store): New functions.
2282 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2284 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2285 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2287 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2288 more than 3 such reloads.
2290 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2291 RELOAD_FOR_X_ADDR_ADDR reload.
2293 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2295 * expr.c (store_constructor): When initializing a field that is smaller
2296 than a word, at the start of a word, try to widen it to a full word.
2298 * cse.c (cse_insn): When we are about to change a register,
2299 remove any invalid references to it.
2301 (remove_invalid_subreg_refs): New function.
2302 (mention_regs): Special treatment for SUBREGs.
2303 (insert_regs): Don't strip SUBREG for call to mention_regs.
2304 Check if reg_tick needs to be bumped up before that call.
2305 (lookup_as_function): Try to match known word_mode constants when
2306 looking for a norrower constant.
2307 (canon_hash): Special treatment for SUBREGs.
2309 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2311 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2312 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2313 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2314 and offsets in actual stack trampoline code so they match the
2315 commentary and actually work.
2317 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2319 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2320 tmake_file.
2321 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2322 tmake_file. Set extra_parts to needed crt objects.
2323 * configure: Rebuilt.
2324 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2325 (TARGET_DEFAULT): Set if default is v9 or ultra.
2326 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2327 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2328 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2329 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2330 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2331 (TARGET_VERSION): Define.
2332 (MULTILIB_DEFAULT): Define.
2333 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2334 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2335 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2336 appropriately.
2337 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2338 * config/sparc/sparc.c (sparc_override_options): If arch and
2339 pointer size disagree, emit diagnostic and fix it up. If
2340 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2341 V8PLUS in 64-bit mode.
2342 * config/sparc/t-linux64: New file.
2343 * config/sparc/t-sol2-64: New file.
2344 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2345 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2346 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2347 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2348 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2349 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2350 Define.
2351 (STARTFILE_SPEC): Set approriately based upon those.
2352 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2353 disposition of DEFAULT_ARCH32_P.
2354 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2355 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2356 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2357 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2358 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2359 arch64/v9.
2360 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2362 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2364 * rtl.h (init_virtual_regs): New function.
2365 * emit-rtl.c (init_virtual_regs): Define.
2366 (insn_emit): Use it.
2367 * integrate.c (save_for_inline_copying): Likewise.
2369 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2371 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2372 (enum reg_class): Add NONARG_LO_REGS support.
2373 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2374 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2375 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2376 completes. Re-enable HImode REG+OFFSET addresses.
2377 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2379 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2381 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2383 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2384 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2385 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2387 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2389 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2390 jumps as a single entity, taking into account the size of the
2391 table.
2393 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2395 * tree.def (SWITCH_EXPR): New tree node definition.
2397 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2399 * version.c: Bump for snapshot.
2401 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2403 * version.c: Bump for snapshot.
2405 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2407 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2408 NetBSD.
2410 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2412 * Revert this patch.
2413 * reload.c (find_reloads): Do not replace a pseudo with
2414 (MEM (reg_equiv_addr)) in the initializing insn for the
2415 pseudo.
2417 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2419 * final.c (final_scan_insn): Disable tracking CC across branches.
2421 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2423 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2424 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2425 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2426 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2427 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2429 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2431 * toplev.c (rest_of_compilation): Skip compiling anything with
2432 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2434 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2436 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2437 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2438 use in_libcall_block.
2439 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2440 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2441 to INSN.
2443 Mon Sep 21 14:02:23 1998
2445 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2446 typo in no-fancy-math-387 description.
2448 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2450 * version.c: Bump for snapshot.
2452 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2454 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2456 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2458 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2459 documented in install.texi.
2460 (TARGET_OPTIONS) Likewise.
2462 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2464 * version.c: Bump for snapshot.
2466 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2468 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2469 * cccp.c (main): Likewise.
2471 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2472 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2473 macro-use bugs.
2475 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2477 * Makefile.in (LIBS): Link in libiberty.a.
2478 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2480 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2482 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2483 it to update bb boundaries. Update caller.
2484 * function.c (reposition_prologue_and_epilogue_notes): Update
2485 bb boundaries wrt the moved note.
2487 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2489 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2490 problems.
2491 * configure: Regenerate.
2493 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2495 * alpha.c (alpha_sr_alias_set): New variable.
2496 (override_options): Set it.
2497 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2498 (mode_mask_operand): Fix signed-unsigned comparision warning.
2499 (alpha_expand_block_move): Likewise.
2500 (print_operand): Likewise.
2501 (get_aligned_mem): Use change_address.
2502 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2503 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2504 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2505 (alpha_align_insns): Remade from old alphaev5_align_insns
2506 to handle multiple processors.
2507 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2508 * output.h (label_to_alignment): Prototype.
2510 * tree.c (new_alias_set): New function.
2511 * tree.h (new_alias_set): Declare it.
2512 * c-common.c (c_get_alias_set): Use it.
2514 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2516 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2517 to an ABS expr, convert an unsigned input to signed.
2519 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2521 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2523 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2525 * configure.in: Add support for c4x targets.
2526 * configure: Rebuilt.
2528 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2530 * combine.c (distribute_notes): If an insn is a cc0 user, only
2531 delete it if we can also delete the cc0 setter.
2533 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2535 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2536 (invert_truthvalue): Enable truthvalue inversion for
2537 floating-point operands if -ffast-math.
2539 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2541 * configure.in: Disable collect2 for nextstep. Instead use
2542 crtbegin/crtend.
2543 * configure: Rebuilt.
2544 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2545 (ENDFILE_SPEC): Define.
2546 (OBJECT_FORMAT_MACHO): Define.
2547 (EH_FRAME_SECTION_ASM_OP): Define.
2548 * crtstuff.c: Handle MACHO.
2550 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2552 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2554 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2556 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2557 (_fpadd_parts): Get sign right for 0.
2559 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2561 * ginclude/varargs.h: Add support for C4x target.
2562 * ginclude/stdargs.h: Likewise.
2564 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2566 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2567 (alpha_emit_set_long_const): Rewrite to be callable from reload
2568 and 32-bit hosts.
2569 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2570 * alpha.md (movdi): Likewise.
2572 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2574 * arm.c (add_constant): New parameter address_only, change caller.
2575 Set it non-zero if taking the address of an item in the pool.
2576 (arm_reorg): Handle cases where we need the address of an item in
2577 the pool.
2579 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2580 a memory address.
2581 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2582 memory addresses that are not in standard canonical form.
2584 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2586 * README.C4X: New file with information about the c4x ports.
2587 * ginclude/va-c4x.h: New file for c4x varargs support.
2588 * config/c4x: New directory with c4x port files.
2590 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2592 * reload.c (find_reloads): Do not replace a pseudo with
2593 (MEM (reg_equiv_addr)) in the initializing insn for the
2594 pseudo.
2596 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2598 * toplev.c (rest_of_compilation): Set bct_p on second call to
2599 loop_optimize.
2600 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2601 bct_p.
2602 (strength_reduce): Only call analyze_loop_iterations and
2603 insert_bct if bct_p set.
2604 (check_dbra_loop): Fix typo.
2605 (insert_bct): Use word_mode instead of SImode.
2606 (instrument_loop_bct): Likewise. Do not delete iteration count
2607 condition code generation insn. Initialize iteration count before
2608 loop start.
2609 * rtl.h (loop_optimize): Update prototype.
2611 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2612 not doubleword aligned.
2614 * rs6000.c (optimization_options): New function.
2615 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2616 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2617 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2618 first; cr1 can be used for FP record condition insns.
2620 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2622 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2623 PREDICATE_CODES.
2625 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2626 patterns.
2628 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2629 operators.
2630 (block_move_call): New function: Call a library routine to copy a
2631 block of memory.
2632 (m32r_expand_block_move): New function: Expand a "movstrsi"
2633 pattern into a sequence of insns.
2634 (m32r_output_block_move): New function: Expand a
2635 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2636 (m32r_block_immediate_operand): New function: Return true if the
2637 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2639 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2641 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2642 re-align some code.
2643 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2645 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2647 * regmove.c (copy_src_to_dest): Check that modes match.
2649 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2651 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2653 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2655 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2656 narrower than FLOAT_REGS.
2658 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2660 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2661 * cccp.c: ditto
2662 * Makefile.in (old_gxx_include_dir): removed
2664 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2666 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2667 new specification.
2669 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2670 (sh_handle_pragma): Change function arguments to match new
2671 specification for HANDLE_PRAGMA.
2673 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2675 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2676 `unsigned char'.
2677 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2678 When generating output, initialize missing struct member to zero.
2680 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2682 * regmove.c (copy_src_to_dest): Don't copy if that requires
2683 (a) new register(s).
2685 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2687 * global.c (reg_allocno): Now static.
2688 * reload1.c (reg_allocno): Delete declaration.
2689 (order_regs_for_reload): Take no arguments. Don't treat regs
2690 allocated by global differently than those allocated by local-alloc.
2692 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2694 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2695 condition, fix format strings.
2696 (output_function_epilogue): Likewise.
2698 * m68k/m68k.c: Don't include <stdlib.h> directly.
2700 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2702 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2703 mem_first_set, mem_last_set; because 0 can be a CUID.
2704 (oprs_unchanged_p): Use new definition.
2705 (record_last_reg_set_info): Likewise.
2706 (record_last_mem_set_info): Likewise.
2707 (compute_hash_table): Likewise.
2709 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2711 * rs6000.c (output_epilogue): Handle Chill.
2713 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2714 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2716 * combine.c (make_extraction): If no mode is specified for
2717 an operand of insv, extv, or extzv, default it to word_mode.
2718 (simplify_comparison): Similarly.
2719 * expmed.c (store_bit_field): Similarly.
2720 (extract_bit_field): Similarly.
2721 * function.c (fixup_var_regs_1): Similarly.
2722 * recog.c (validate_replace_rtx_1): Similarly.
2723 * mips.md (extv, extzv, insv expanders): Default modes for most
2724 operands. Handle TARGET_64BIT.
2725 (movdi_uld, movdi_usd): New patterns.
2727 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2728 equivalent memory location unless we have been provided a scratch
2729 register. Similarly do not call find_replacement unless a
2730 scratch register has been provided.
2732 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2734 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2735 return FLOAT_REGS.
2737 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2739 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2740 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2741 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2742 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2743 * c-decl.c (init_decl_processing): Update accordingly.
2744 * expr.c (expand_builtin): Likewise.
2746 * rtl.h (global_rtl): Add cfa entry.
2747 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2748 (LAST_VIRTUAL_REGISTER): Update.
2749 * emit-rtl.c (global_rtl): Add cfa entry.
2750 (init_emit): Initialize it.
2751 * function.c (cfa_offset): New.
2752 (instantiate_virtual_regs): Initialize it.
2753 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2754 (expand_function_end): Call expand_eh_return.
2755 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2757 * except.c (current_function_eh_stub_label): Kill.
2758 (current_function_eh_old_stub_label): Likwise; update all references.
2759 (expand_builtin_set_return_addr_reg): Kill.
2760 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2761 (expand_builtin_set_eh_regs): Kill.
2762 (eh_regs): Produce a third reg for the actual handler address.
2763 (eh_return_context, eh_return_stack_adjust): New.
2764 (eh_return_handler, eh_return_stub_label): New.
2765 (init_eh_for_function): Initialize them.
2766 (expand_builtin_eh_return, expand_eh_return): New.
2767 * except.h: Update prototypes.
2768 * flow.c (find_basic_blocks_1): Update references to the stub label.
2769 * function.h (struct function): Kill stub label elements.
2771 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2772 register number is one that would be in the previous window.
2773 Provide a dummy definition for non-windowed targets.
2774 (get_reg_addr): New function.
2775 (get_reg, put_reg, copy_reg): Use it.
2776 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2777 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2779 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2780 (alpha_init_expanders): Initialize it.
2781 (alpha_expand_epilogue): Use it.
2782 * alpha.h: Declare it.
2783 * alpha.md (eh_epilogue): New.
2785 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2786 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2788 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2790 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2791 flag bit mask.
2793 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2795 * except.h (struct eh_entry): Add false_label field.
2796 (end_catch_handler): Add prototype.
2797 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2798 (start_catch_handler): When using old style exceptions, issue
2799 runtime typematch code before continuing with the handler.
2800 (end_catch_handler): New function, generates label after handler
2801 if needed by older style exceptions.
2802 (expand_start_all_catch): No need to check for new style exceptions.
2803 (output_exception_table_entry): Only output the first handler label
2804 for old style exceptions.
2805 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2806 mechanism into one function, if a runtime matcher is provided.
2808 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2810 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2812 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2814 * integrate.c (copy_decl_list): Fix typo.
2816 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2818 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2819 attribute.
2821 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2823 * version.c: Bump for snapshot.
2825 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2827 * version.c: Bump for snapshot.
2829 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2831 * version.c: Bump for snapshot.
2833 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2835 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2837 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2839 * configure.in: remove usage of `!' to negate the result of a
2840 command; some common shells do not support it
2842 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2844 * configure.in: in sparc9-sol2 config, use 'if test' not
2845 brackets.
2846 * configure: Rebuilt.
2848 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2849 CM_MEDANY.
2850 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2851 (CPP_CPU_DEFAULT_SPEC): Likewise.
2852 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2853 for arch64 libfuncs.
2855 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2856 for operand zero.
2858 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2860 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2862 * collect2.c: Don't declare `sys_siglist' here.
2863 (my_strsignal): Prototype and define new function. Use it in
2864 place of `sys_siglist' hacks.
2866 * mips_tfile.c: Likewise.
2868 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2869 (GCC_NEED_DECLARATIONS): Likewise.
2871 * system.h (strsignal): Prototype it, if necessary.
2872 (sys_siglist): Declare it, if necessary.
2874 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2876 * loop.c (move_movables): While removing insn sequences, preserve
2877 the next pointer of the most recently deleted insn when we skip
2878 over a NOTE.
2880 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2882 * objc/config-lang.in: Do not output the name of the selected
2883 thread file when building the front-end. The Makefile for the
2884 runtime library will do this.
2886 * objc/Make-lang.in: Do not build the runtime library or install
2887 the Objective C header files. The Makefile for the runtime
2888 library will do this.
2890 * objc/Makefile.in (all.indirect): Only build the front-end.
2891 (compiler): Rename to `frontend'.
2892 (obj-runtime): Remove target.
2893 (copy-headers): Likewise.
2894 (clean): No need to remove `libobjc.a' any longer.
2896 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2898 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2899 supported with -mcpu=xxx.
2901 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2903 * flow.c (mark_set_1): Recognize multi-register structure return
2904 values in CALL insns.
2905 (mark_used_regs): Likewise.
2906 (count_reg_sets_1): Likewise.
2907 (count_reg_references): Likewise.
2908 * rtlanal.c (note_stores): Likewise.
2909 (reg_overlap_mentioned_p): Likewise.
2910 * haifa-sched.c (check_live_1): Likewise.
2911 (update_live_1): Likewise.
2912 (sched_analyze_1): Likewise.
2913 (sched_note_set): Likewise.
2914 (birthing_insn_p): Likewise.
2915 (attach_deaths): Likewise.
2917 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2920 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2922 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2924 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2926 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2928 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2930 * configure.in: Add check for GAS subsection -1 support.
2931 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2932 * configure config.in: Rebuilt.
2933 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2934 SImode is subsection -1 works, else use DImode.
2935 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2936 subsection -1 works.
2937 * config/sparc/sparc.c (sparc_output_addr_vec,
2938 sparc_output_addr_diff_vec): Use them if defined.
2940 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2942 * tree.h (DECL_ORIGIN): New macro.
2943 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2944 (copy_decl_list): Use it.
2945 (integrate_parm_decls): Likewise.
2946 (integrate_decl_tree): Likewise.
2947 * dwarf2out.c (decl_ultimate_origin): Simplify.
2948 * dwarfout.c (decl_ultimate_origin): Likewise.
2949 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2950 (pushdecl): Likewise.
2952 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2954 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2956 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2958 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2960 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2962 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2963 empty or has a single entry.
2965 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2966 before calling reg_to_stack.
2968 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2970 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2971 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2973 * c-tree.h (warn_long_long): Declare it.
2975 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2977 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2978 initialized float-int union if the value is a NaN.
2980 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2982 * c-lex.c (real_yylex): Don't warn about long long constants if
2983 we're allowing long long
2985 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2987 * except.h (current_function_eh_stub_label): Declare.
2988 (current_function_eh_old_stub_label): Declare.
2989 * function.h (struct function): New members eh_stub_label and
2990 eh_old_stub_label.
2991 * except.c (current_function_eh_stub_label): New variable.
2992 (current_function_eh_old_stub_label): New variable.
2993 (init_eh_for_function): Clear them.
2994 (save_eh_status): Save them.
2995 (restore_eh_status): Restore them.
2996 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2997 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2998 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2999 make an edge from the block that contains it to the block starting
3000 with the label if this label is one of the eh stub labels.
3001 If eh stub labels exist, show they are reachable from the last block
3002 in the function.
3004 * reload1.c (reload): Break out several subroutines and make some
3005 variables global.
3006 (calculate_needs_all_insns): New function, broken out of reload.
3007 (calculate_needs): Likewise.
3008 (find_reload_regs): Likewise.
3009 (find_group): Likewise.
3010 (find_tworeg_group): Likewise.
3011 (something_needs_reloads): New global variable, formerly in reload.
3012 (something_needs_elimination): Likewise.
3013 (caller_save_spill_class): Likewise.
3014 (caller_save_group_size): Likewise.
3015 (max_needs): Likewise.
3016 (group_size): Likewise.
3017 (max_groups): Likewise.
3018 (max_nongroups): Likewise.
3019 (group_mode): Likewise.
3020 (max_needs_insn): Likewise.
3021 (max_groups_insn): Likewise.
3022 (max_nongroups_insn): Likewise.
3023 (failure): Likewise.
3025 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3027 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3029 * loop.c (load_mems): Copy rtx for output mem.
3031 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3033 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3034 mips1 or mips2 either.
3036 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3038 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3039 tables.
3040 (pa_adjust_insn_length): Update to work with new marking scheme
3041 for jumps inside switch tables.
3042 * pa.md (switch_jump): Remove pattern.
3043 (jump): Handle jumps inside jump tables.
3045 * Makefile.in (profile.o): Depend on insn-config.h
3047 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3049 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3051 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3053 Add preliminary native sparcv9 Solaris support.
3054 * configure.in: Recognize sparv9-*-solaris2*
3055 * configure: rebuilt
3056 * config.sub: Recognize sparcv9 just like sparc64.
3057 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3058 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3059 32-bit and 64-bit Solaris systems.
3060 * config/sparc/t-sol2: Assemble those with cpp.
3061 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3062 (*TF*_LIBCALL): If ARCH64 use V9 names.
3063 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3065 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3067 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3068 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3069 not doing pic.
3070 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3071 Pmode.
3072 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3073 to Pmode if CASE_VECTOR_MODE is something else.
3075 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3077 * prefix.c (update_path): Correctly handle cases where PATH is
3078 a substring of the builtin prefix, but specifies a different
3079 directory location.
3081 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3083 * expr.c: Corrected comment about what MOVE_RATIO does.
3084 * config/alpha/alpha.h: Ditto.
3085 * config/1750a/1750a.h: Ditto.
3086 * config/clipper/clipper.h: Ditto.
3087 * config/i386/i386.h: Ditto.
3089 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3091 * configure.in (m68k-next-nextstep3*): Use collect2.
3092 Similarly for x86 NeXT configurations.
3093 * configure: Rebuilt.
3095 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3097 * configure.in: Don't assume srcdir is .../gcc
3098 * configure: Rebuilt.
3100 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3102 * global.c: Update comments.
3103 (global_alloc): Assign allocation-numbers
3104 even for registers allocated by local_alloc in case
3105 they are later spilled and retry_global_alloc is called.
3106 (mark_reg_store, mark_reg_clobber,
3107 mark_reg_conflicts, mark_reg_death): Always record a
3108 conflict with a pseudo register even if it has been
3109 assigned to a hard register.
3110 (dump_conflicts): Don't list pseudo registers already assigned to
3111 a hard register as needing to be allocated, but do list their
3112 conflicts.
3113 * local-alloc.c: Update comment.
3115 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3117 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3118 * configure: Rebuilt.
3120 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3122 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3123 missing 'c'.
3124 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3125 for all targets that set -msoft-float.
3127 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3129 * toplev.c (print_switch_values): Make static to match prototype.
3131 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3133 * configure.in: If we are unable to find the "gnatbind" program,
3134 then do not configure the ada subdir.
3135 * configure: Rebuilt.
3137 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3139 * version.c: Bump for snapshot.
3141 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3143 * version.c: Bump for snapshot.
3145 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3147 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3148 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3150 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3152 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3154 * genextract.c: Have insn-extract.c include toplev.h.
3156 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3158 * toplev.c: Include expr.h.
3159 (really_sorry, fancy_abort): Remove prototypes.
3160 (set_target_switch): Add argument in prototype.
3161 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3162 (v_really_sorry): Likewise.
3163 (print_version, print_single_switch, print_switch_values): Make
3164 static and add prototype arguments.
3165 (decl_printable_name): Add prototype arguments.
3166 (lang_expand_expr_t): New typedef.
3167 (lang_expand_expr): Declare as a lang_expand_expr_t.
3168 (incomplete_decl_finalize_hook): Add prototype argument.
3169 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3170 (botch): Likewise for variable `s'.
3171 (rest_of_type_compilation): Mark variables `type' and `toplev'
3172 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3173 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3174 (display_help): Make variable `i' an `unsigned long'.
3175 (main): Remove unused parameter `envp'.
3176 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3177 Cast -1 when comparing it with a `size_t'.
3179 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3180 prototype with ATTRIBUTE_NORETURN.
3181 (fatal_insn_not_found, fatal_insn, really_sorry,
3182 push_float_handler, pop_float_handler): Add prototypes.
3183 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3184 (do_abort, botch): Add prototypes.
3186 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3188 * final.c (final): If a label is reached only from a single jump,
3189 call NOTICE_UPDATE_CC on the jump and its predecessor before
3190 emitting the insn after the label.
3192 * i386.h: Add AMD K6 support.
3193 Change TARGET_* macros to use table lookup.
3194 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3195 (ADJUST_COST): Change definition to call function in i386.c.
3196 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3197 * i386.c: Add AMD K6 support.
3198 Add constants for feature tests used by TARGET_* macros.
3199 (split_di): If before reload, call gen_lowpart and gen_highpart.
3200 (x86_adjust_cost): New function.
3201 (put_jump_code): New function.
3202 (print_operand): New codes 'D' and 'd'.
3203 * i386.md: New insn types. New insn attribute "memory".
3204 Redefine scheduling parameters to use new types and add AMD K6
3205 support. Explicitly set type of most insns.
3206 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3207 Pro and K6 prefer movl $1,reg to incl reg.
3208 (adddi3, subdi3): Set cc_status.
3209 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3210 to int; x86 can't have more than 2^31 DImode shifts per file.
3211 (setcc): Combine all setcc patterns. Allow writing memory.
3212 Combine all jump patterns using match_operator.
3213 (*bzero): Name pattern. Emit mutliple stos instructions when that
3214 is faster than rep stos.
3215 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3216 add define_split.
3218 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3220 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3221 linking.
3223 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3225 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3226 not whatever we're generating now.
3228 * alpha.c (set_frame_related_p, FRP): New.
3229 (alpha_expand_prologue): Mark frame related insns.
3230 (alpha_expand_epilogue): Likewise, but with a null FRP.
3231 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3232 * alpha.md (exception_receiver): New.
3233 * alpha/crtbegin.asm (.eh_frame): New beginning.
3234 (__do_frame_setup, __do_frame_takedown): New.
3235 * alpha/crtend.asm (.eh_frame): New ending.
3236 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3237 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3238 (ASM_FILE_START): Don't emit .file for dwarf2.
3240 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3241 * rtl.c (reg_note_name): Likewise.
3242 * rtl.texi (REG_NOTES): Likewise.
3243 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3244 without an offset.
3246 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3248 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3249 * i386.md (movsf, movdf, movxf): Validate memory address returned
3250 from force_const_mem. Kill useless REG_EQUAL setting code.
3252 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3254 * m68k.md (zero_extendsidi2): Fix typo.
3256 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3258 * configure.in: Removed references to the removed file
3259 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3260 * arm*-*-netbsd* and ns32k-*-netbsd*.
3261 * config/i386/xm-netbsd.h: Removed unnecessary file.
3262 * config/m68k/xm-netbsd.h: Likewise.
3263 * config/sparc/xm-netbsd.h: Likewise.
3264 * config/mips/xm-netbsd.h: Likewise.
3266 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3268 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3269 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3271 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3272 for exact section attributions.
3274 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3275 runtime.
3276 * i386/crtdll.h (CPP_PREDEFINES): Define.
3278 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3280 * m68k.md (5200 movqi): Do not allow byte sized memory references
3281 using address regs.
3282 * m68k.c (output_move_qimode): Do not use byte sized operations on
3283 address registers.
3285 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3286 explicit rules for building. Similarly for alloca, vfprintf,
3287 choose-temp and mkstemp, getopt, getopt1, and obstack.
3288 (INCLUDES): Add $(srcdir)/../include.
3289 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3290 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3292 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3294 * gcc.c (do_spec_1): [case 'o'] Account for
3295 lang_specific_extra_outfiles.
3296 (main): Correctly clear all slots in outfiles for
3297 lang_specific_extra_outfiles. Set input_file_number before
3298 calling lang_specific_pre_link.
3300 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3302 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3304 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3306 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3307 cases, use xword.
3308 (sparc_output_deferred_case_vectors): If no work to do, return.
3309 Fix thinko in Sept 1 change.
3311 1998-09-03 SL Baur <steve@altair.xemacs.org>
3313 * Makefile.in: add semicolon in BISON definition for portability.
3315 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3317 * config/nextstep.c (handle_pragma): Correct name of third
3318 argument.
3320 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3322 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3323 * config/m32r/m32r.h: Make register 17 be fixed.
3324 * config/m32r/m32r.c: Use SImode for cc operations.
3326 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3328 * invoke.texi (Warning Options): Add -Wnon-template-friend
3329 documentation.
3331 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3333 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3335 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3337 * rs6000.md (movsf): Disable explicit secondary-reload-like
3338 functionality if TARGET_POWERPC64.
3339 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3340 functionality.
3342 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3344 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3345 and term.h from fixinc.wrap.
3347 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3349 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3350 safe to include both string.h and strings.h together.
3351 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3352 which headers to search for function declarations. Continue to
3353 prefer string.h over strings.h when both are not acceptable.
3355 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3357 * configure.in: Call GCC_HEADER_STRING.
3359 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3360 to include. Continue to prefer string.h over strings.h when both
3361 are not acceptable.
3363 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3365 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3366 not assume top 32-bits of symbolic addresses are zero if
3367 flag_pic.
3369 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3371 * ginclude/va-alpha.h: Protect entire second portion of the
3372 file against double inclusion.
3374 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3376 Added support for the Boehm's garbage collector.
3377 * configure.in: Handle --enable-objc-gc.
3378 * configure: Rebuilt.
3379 * Makefile.in (CHECK_TARGETS): Add check-objc.
3380 (check-objc): New rule.
3381 * objc/Make-lang.in: Build a different Objective-C library that
3382 runs with the Boehm's collector.
3383 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3384 * objc/encoding.c: Correctly compute the size of compound types in
3385 the presence of bitfields. Skip the variable name of the type if
3386 any. Added support for long long.
3387 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3388 (_F_GCINVISIBLE): New mask.
3389 * objc/gc.c: New file. Compute the type memory mask associated with
3390 a class based on the runtime information.
3391 * objc/misc.c: Added the hooks that use the Boehm's collector
3392 allocation functions.
3393 * objc/objc-act.c (build_class_template): Generate a new class
3394 member (gc_object_type) to hold the class' type memory mask.
3395 (build_shared_structure_initializer): Initialize the new member to
3396 NULL.
3397 (encode_complete_bitfield): New function. Generate the new
3398 encoding.
3399 (encode_field_decl): Generate the new encoding only for the GNU
3400 runtime.
3401 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3402 long long types.
3403 (class_get_gc_object_type): New function to mark a pointer instance
3404 variable as a weak pointer.
3405 * objc/objc-features.texi: New file.
3406 * objc/objc.h (gc_object_type): New class member.
3407 * objc/objects.c (class_create_instance): Create a typed memory
3408 object when compiled with Boehm's collector support.
3409 * objc/sendmsg.c (__objc_init_install_dtable): Call
3410 __objc_send_initialize instead of setting the initialize flag.
3411 (__objc_send_initialize): Call __objc_generate_gc_type_description
3412 to generate the class type memory mask. Rewrite the code that
3413 sends the +initialize so that it is called only once (bug report
3414 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3415 * testsuite/objc: New testsuite for Objective-C type encoding.
3416 * testsuite/lib/objc-torture.exp: New file.
3417 * testsuite/lib/objc.exp: New file.
3419 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3421 * jump.c (jump_optimize): In if/then/else transformations, add
3422 another call to modified_between_p for the jump insn.
3424 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3426 * fix-header.c (symlink): Treat like readlink.
3428 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3430 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3431 as FT_float.
3433 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3435 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3436 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3437 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3439 * config/nextstep.c (handle_pragma): Take three arguments, as per
3440 the new HANDLE_PRAGMA macro specification.
3441 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3442 per the new HANDLE_PRAGMA macro specification.
3443 * config/i960/i960.c (process_pragma): Take three arguments, as
3444 per the new HANDLE_PRAGMA macro specification.
3446 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3448 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3449 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3450 if unknown pragmas are encountered.
3451 (handle_sysv_pragma): Interpret return code from
3452 handle_pragma_token (). Return success/failure indication rather
3453 than next unprocessed character.
3454 (pragma_getc): New function: retrieves characters from the
3455 input stream. Defined when HANDLE_PRAGMA is enabled.
3456 (pragma_ungetc): New function: replaces characters back into the
3457 input stream. Defined when HANDLE_PRAGMA is enabled.
3459 * c-pragma.c (handle_pragma_token): Return success/failure status
3460 of the parse.
3462 * c-pragma.h: Change prototype of handle_pragma_token().
3464 * varasm.c: (handle_pragma_weak): Only create this function if
3465 HANDLE_PRAGMA_WEAK is defined.
3467 * c-common,c (decl_attributes): If defined call the expression
3468 contained within the INSERT_ATTRIBUTES macro before adding
3469 attributes to a decl.
3471 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3472 HANDLE_PRAGMA, which takes three arguments.
3473 (INSERT_ATTRIBUTES): Document this new macro.
3475 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3476 new INSERT_ATTRIBUTES macro.
3478 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3480 * config/sparc/sparc.md (movdf): Only generate special RTL for
3481 LABEL_REFs when PIC.
3482 (move_label_di): Remove
3483 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3484 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3485 references when PIC.
3486 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3487 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3488 output an .xword for all 64-bit cases.
3490 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3492 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3493 alignment, use FUNCTION_BOUNDARY instead.
3494 (sparc_output_deferred_case_vectors): Likewise.
3496 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3498 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3499 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3501 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3503 * alpha/va_list.h: New file.
3504 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3506 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3508 * NEWS: Add SCO Openserver and Unixware 7 notes.
3510 * NEWS: Fix typos.
3512 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3514 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3515 (record_constant_1): Handle RANGE_EXPR.
3517 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3519 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3520 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3521 and NOTE_INSN_RANGE_END specially.
3522 (reemit_notes): Likewise.
3524 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3526 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3527 (ultrasparc_sched_init): Remove unneeded &.
3529 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3531 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3532 for m68020-60, to prevent the use of fintrz.
3534 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3536 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3537 even in stage1.
3538 * Makefile.in: Likewise.
3539 * configure: Regenerated.
3541 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3543 * configure.in (gxx_include_dir): Changed to
3544 '${prefix}/include/g++'-${libstdcxx_interface}.
3545 * configure: Rebuilt.
3547 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3549 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3550 consistent.
3551 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3552 *sequences* *below* which scalar moves will be used.
3554 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3556 * collect2.c (mktemp): Delete unused declaration.
3558 * config/xm-netbsd.h: Remove unnecessary file.
3559 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3560 file anymore, it is not needed.
3562 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3564 * convert.c (convert_to_integer): Issue an error on conversions to
3565 incomplete types.
3567 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3569 * Makefile.in: Add lang_tree_files and gencheck.h.
3570 * configure.in: Generate them.
3571 * gencheck.c: Include gencheck.h.
3573 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3575 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3576 movdi_lo_sum_pic and movdi_high_pic and make visible.
3577 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3578 emit these when Pmode is not SImode.
3579 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3581 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3583 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3584 .linkonce directive after the first time.
3586 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3588 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3589 the clobbered operand overlaps with an input.
3590 (bne0_di): Similarly.
3592 * Makefile.in (INSTALL): Remove "--no-header" argument.
3594 * NEWS: Various updates.
3596 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3598 * config/sparc/sparc.c (arith_operand, const64_operand,
3599 const64_high_operand, arith_double_4096_operand): Mark mode as
3600 unused.
3601 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3602 callers changed.
3603 (sparc_emit_set_const64): Remove unused variable i.
3604 (sparc_splitdi_legitimate): Likewise for addr_part.
3605 (ultra_code_from_mask): Likewise for mask.
3606 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3607 reverse return values so it matches usage and comments.
3608 (ultra_flush_pipeline): Likewise.
3609 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3610 this_type, and allow loads and stores of differing FP modes as
3611 they do not create a conflict.
3612 (ultra_find_type): Initialize fpmode to SFmode, fix
3613 parenthesization thinkos in large conditional.
3614 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3615 Init free_slot_mask after ultra_cur_hist is reset, not before.
3616 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3617 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3618 use ultra_flush_pipeline instead, then re-init group pointer.
3619 Fix statement with no effect. If no progress made in, and no
3620 instructions scheduled at all, advance to new pipeline cycle else
3621 we get into an endless loop.
3622 (ultrasparc_adjust_cost): Remove previous arg.
3623 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3625 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3627 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3628 code. Use reg_overlap_mentioned_p to detect when source and
3629 destination overlap.
3630 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3632 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3634 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3635 COMPARISON_VAL, into invariant_p.
3637 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3639 * regmove.c (regclass_compatible_p): New function.
3640 (regmove_optimize): Use it.
3642 Use NREGS parameter insted of calling max_reg_num.
3644 (fixup_match_1): Don't use code = MINUS when later tieing with
3645 a hard register is likely.
3647 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3649 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3650 COMPARISON_VAL was normalized.
3652 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3654 * loop.c (check_dbra_loop): The loop ending comparison value
3655 must be an invariant or we can not reverse the loop.
3657 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3658 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3659 of the loop.
3660 (load_mems_and_recount_loop_regs_set): Likewise.
3662 * i386.c (print_operand): Remove obsolete 'c' docs.
3664 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3666 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3667 * frame.c (init_object_mutex): New function.
3668 (init_object_mutex_once): Likewise.
3669 (find_fde): Call it.
3670 (__register_frame_info): Likewise.
3671 (__register_frame_info_table): Likewise.
3672 (__deregister_frame_info): Likewise.
3674 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3676 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3678 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3680 * loop.c (check_dbra_loop): Enable code for reversal
3681 of some loops without a known constant loop end.
3683 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3685 * haifa-sched.c (last_clock_var): New.
3686 (schedule_block): Initialize it.
3687 (schedule_insn): Use it to fill insn modes with issue information.
3689 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3690 Tag trapb and next insn with TImode.
3691 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3692 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3693 Invoke alphaev5_align_insns as appropriate.
3694 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3695 (MD_SCHED_VARIABLE_ISSUE): New.
3696 * alpha.md (attr type): Add multi.
3697 (define_asm_attributes): New.
3698 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3699 (arg_home): Likewise.
3700 (fnop, unop, realign): New.
3702 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3704 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3705 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3707 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3708 (rs6000-ibm-aix4.[12]*): Likewise.
3709 * configure: Regnerate.
3711 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3713 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3714 already contains the return address.
3716 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3718 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3719 word sized hunks when loading unaligned args into registers.
3721 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3722 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3724 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3726 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3728 * loop.c (check_dbra_loop): Add some code that would allow reversal
3729 of some loops without a known constant loop end if it were enabled.
3731 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3733 * mips.md (lshrsi3_internal2+2): Fix type-o.
3735 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3737 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3738 correctly with regards to stdio.h.
3740 * calls.c: Remove stdarg.h/varargs.h.
3741 * cccp.c: Likewise.
3742 * cexp.y: Likewise.
3743 * combine.c: Likewise.
3744 * cpperror.c: Likewise.
3745 * cpplib.c: Likewise.
3746 * cpplib.h: Likewise.
3747 * doprint.c: Likewise.
3748 * emit-rtl.c: Likewise.
3749 * final.c: Likewise.
3750 * fix-header.c: Likewise.
3751 * gcc.c: Likewise.
3752 * genattr.c: Likewise.
3753 * genattrtab.c: Likewise.
3754 * gencodes.c: Likewise.
3755 * genconfig.c: Likewise.
3756 * genemit.c: Likewise.
3757 * genextract.c: Likewise.
3758 * genflags.c: Likewise.
3759 * genopinit.c: Likewise.
3760 * genoutput.c: Likewise.
3761 * genpeep.c: Likewise.
3762 * genrecog.c: Likewise.
3763 * mips-tfile.c: Likewise.
3764 * prefix.c: Likewise.
3765 * protoize.c: Likewise.
3766 * regmove.c: Likewise.
3767 * toplev.c: Likewise.
3768 * tree.c: Likewise.
3770 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3772 * config/sparc/sparc.c (sparc_override_options): If not
3773 TARGET_FPU, turn off TARGET_VIS.
3774 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3775 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3776 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3777 (movdi_insn_sp64): Add VIS fzero alternative.
3778 (clear_sf, clear_df): New VIS patterns.
3779 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3780 TARGET_VIS.
3781 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3783 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3785 * loop.c (n_times_set, n_times_used, may_not_optimize,
3786 reg_single_usage): Convert to varrays. All uses changed.
3787 (insert_loop_mem): Return a value.
3788 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3789 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3790 necessary.
3792 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3794 * From Alexandre:
3795 * configure.in: Do not set thread_file to "irix" since no such
3796 support exists yet.
3798 * sparc.md (float abs/neg splits): Check reload_completed before
3799 calling alter_subreg.
3801 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3803 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3804 function.
3805 * config/sparc/sparc.h: Declare it.
3806 * config/sparc/sparc.md (float abs/neg splits): Use it.
3807 (all other splits): Handle SUBREGs properly where necessary.
3808 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3810 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3812 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3813 an insn on the unfilled_slots_list that has no delay slots.
3814 (fill_eager_delay_slots): Similarly.
3816 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3818 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3819 as an ordinary operand.
3821 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3823 * tree.c (valid_machine_attribute): Don't apply attributes to both
3824 decl and type.
3826 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3828 * reload.c (operands_match_p): Handle rtvecs.
3830 * i386.c (legitimate_pic_address_disp_p): New.
3831 (legitimate_address_p): Use it.
3832 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3833 Handle constant pool symbols just like statics.
3834 (emit_pic_move): Use Pmode not SImode for clarity.
3835 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3836 [UNSPEC]: New, handling what we killed above.
3837 [PLUS]: Detect and abort on invalid symbol arithmetic.
3838 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3840 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3842 * alias.c: Include output.h.
3843 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3844 different if we're in a varargs function.
3845 * Makefile.in (alias.o): Depend on output.h
3847 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3849 * sh.h (GIV_SORT_CRITERION): Delete.
3851 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3853 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3854 * stupid.c (stupid_life_analysis): Ditto.
3855 * reload1.c (reload): Ditto.
3857 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3859 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3860 arith_double_4096_operand, arith_double_add_operand): New
3861 predicates.
3862 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3863 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3864 them to transform add/sub 4096 into add/sub -4096.
3866 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3868 * loop.c (scan_loop): Allocate some slop to handle pseudos
3869 generated by move_movables.
3870 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3871 here too.
3873 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3875 * tree.def (DECL_RESULT): Correct documentation.
3877 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3879 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3880 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3881 conflicts will all RELOAD_FOR_OUTPUT reloads.
3883 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3884 loads the function result, substitute with a USE.
3886 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3888 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3889 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3890 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3891 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3892 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3893 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3894 operand.
3895 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3896 'o' to 'm' for GPR variant constraints.
3898 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3900 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3902 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3904 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3905 when the source and destination overlap.
3907 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3908 clash with global type.
3910 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3912 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3914 * c-common.c (combine_strings): Also set TREE_READONLY.
3915 Change warn_write_strings to flag_const_strings.
3916 * c-decl.c, c-tree.h: Likewise.
3918 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3920 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3921 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3922 sequence, use SET/IOR instead so CSE can see it.
3923 * config/sparc/sparc.md (movhi_const64_special,
3924 movsi_const64_special): New patterns necessitated by that change.
3925 (movhi_high): Remove.
3926 (movhi_lo_sum): Change to match an IOR.
3927 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3928 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3929 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3930 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3931 registers are involved.
3932 (snesi_zero_extend split): Remove reload_completed test.
3933 (unnamed plus and minus zero_extend sidi splits): Add it.
3935 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3937 * extend.texi: Remove description of extension to explicit
3938 instantiation that is now endorsed by standard C++.
3940 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3942 * config/arc/arc.c (arc_initialize_pic): Remove.
3943 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3944 nothing on any platform and is invoked by no-one, it does not even
3945 appear in the documentation.
3946 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3947 * config/sparc/sparc.c (initialize_pic): Likewise.
3948 (find_addr_reg): Remove this as well, no longer referenced after
3949 my rewrite.
3951 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3953 * recog.c (validate_replace_rtx_group): New function.
3954 * recog.h (validate_replace_rtx_group): Declare it.
3955 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3956 the entire group of substitutions.
3958 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3960 * loop.c (load_mems): Fix initializers.
3962 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3964 * config/sparc/sparc.md (TFmode splits): Handle destination
3965 registers being referenced in the address correctly.
3967 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3968 TREE_UNSIGNED, when bitsize of type's mode is larger than
3969 HOST_BITS_PER_WIDE_INT.
3971 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3973 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3974 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3975 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3976 macros.
3977 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3978 EXIT_BLOCK_EXPR.
3980 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3982 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3983 * h8300.h (TINY_DATA_NAME_P): Likewise.
3984 (STRIP_NAME_ENCODING): Handle '&'.
3986 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3987 register (it could be accessed via an outer SUBREG).
3988 (REG_OK_FOR_BASE_P): Likewwise.
3989 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3991 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3992 bogus rtl.
3994 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3996 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3998 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3999 must be offsettable so the splits can be made.
4001 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4003 * config/i386/winnt.c: Include system.h, not stdio.h to get
4004 sys/param.h pulled in before rtl.h in case the system defines MIN
4005 and MAX.
4007 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4009 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4011 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4013 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4014 arrays of bits.
4015 * cpplib.c (cpp_define): Handle macros with parameters.
4017 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4019 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4020 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4021 and DImode 64-bit. Use llong for minimal-toc SFmode and
4022 SYMBOL_REF / LABEL_REF 64-bit.
4023 (output_function_profiler): Use llong for profiler label and ld to
4024 load 64-bit label address.
4026 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4028 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4029 OFFSET addressing.
4031 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4033 * version.c: Bump for snapshot.
4035 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4037 * version.c: Bump for snapshot.
4039 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4041 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4043 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4045 * tm.texi (Misc): Fix typo "teh".
4047 * tm.texi (PIC): Fix typo "PPIC".
4049 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4050 effect when -O2 and higher.
4051 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4053 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4055 * regclass.c: Changed register set documentation to be consistent
4056 with GCC behaviour.
4058 * final.c (final_start_function) Removed redundant test for
4059 call_fixed_regs.
4061 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4063 * rtl.h (rtx_function): New type.
4064 (for_each_rtx): New function.
4065 * rtlanal.c (for_each_rtx): Define it.
4067 * recog.c (change_t): New type.
4068 (change_objects, change_old_codes, change_locs, change_olds):
4069 Replace with ...
4070 (changes): New variable.
4071 (validate_change): Dynamically allocate room for more changes, if
4072 necessary. Uses changes array instead of change_objects, etc.
4073 (apply_change_group): Use changes array instead of
4074 change_objects, etc.
4076 * loop.c (loop_mem_info): New type.
4077 (loop_mems): New variable.
4078 (loop_mems_idx): Likewise.
4079 (looop_mems_allocated): Likewise.
4080 (scan_loop): Remove nregs parameter.
4081 (next_insn_in_loop): New function.
4082 (load_mems_and_recount_loop_regs_set): Likewise.
4083 (load_mems): Likewise.
4084 (insert_loop_mem): Likewise.
4085 (replace_loop_mem): Likewise.
4086 (replace_label): Likewise.
4087 (INSN_IN_RANGE_P): New macro.
4088 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4089 (scan_loop): Remove nregs parameter, compute it after any new
4090 registers are created by load_mems. Use INSN_IN_RANGE_P and
4091 next_insn_in_loop rather than expanding them inline. Call
4092 load_mems to load memory into pseudos, if appropriate.
4093 (prescan_loop): Figure out whether or not there are jumps from the
4094 loop to targets other than the label immediately following the
4095 loop. Call insert_loop_mem to notice all the MEMs used in the
4096 loop, if it could be safe to pull MEMs into REGs for the duration
4097 of the loop.
4098 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4100 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4102 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4104 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4106 * config/sparc/sparc.c (finalize_pic): Check for the correct
4107 nonlocal_goto_receiver UNSPEC number.
4108 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4109 making note of this dependency existing in sparc.c
4110 (negtf2_notv9 split): Give NEG SFmode.
4111 (negsf2): Fix insn output string.
4113 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4115 * c-common.c (decl_attributes): Issue an error if the argument
4116 to alias is not a string.
4118 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4120 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4121 pending memory flush list.
4123 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4124 notes.
4125 (try_combine): Allow combining insns with REG_LIBCALL notes.
4127 * expr.c (emit_block_move): Do not call memcpy as a libcall
4128 instead build up a CALL_EXPR and call it like any other
4129 function.
4130 (clear_storage): Similarly for memset.
4132 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4133 on notes.
4135 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4136 cplus-dem.o
4138 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4139 and REG_LIVE_LENGTH as successful substitutions are made.
4141 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4143 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4144 statement after end of loop label.
4146 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4148 * config/sparc/sparc.c (ultra_types_avail): New variable.
4149 (ultra_build_types_avail): New function to record mask of insn
4150 types in ready list at this cycle.
4151 (ultrasparc_sched_reorder): Call it.
4152 (ultra_find_type): Use it to quicken the search. Also simplif
4153 dependency check, don't use rtx_equal_p because we know exactly
4154 what we are looking for.
4156 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4158 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4159 for architecture v4.
4161 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4163 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4164 gen_compare_reg.
4165 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4166 movdf_const_intreg and helper splits): New patterns to move float
4167 constants into integer registers.
4168 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4169 splits.
4171 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4173 * From Graham
4174 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4175 to itype.
4176 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4178 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4179 a BASE_REGS register is needed as an intermediate when copying
4180 a symbolic value into any register class other than BASE_REGS.
4182 * expr.c (move_by_pieces): No longer static. Remove prototype.
4183 * rtl.h (move_by_pieces): Add extern prototype.
4184 * mips.c (expand_block_move): Handle aligned straight line copy by
4185 calling move_by_pieces.
4187 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4188 and VAR_DECLs.
4190 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4192 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4193 jumps out of the loop to be treated as part of the exit test.
4195 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4196 Jeff Law <law@cygnus.com>
4198 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4199 * cplus-dem.c: Delete.
4201 * Makefile.in (fold-const.o): depend on $(RTL_H).
4203 * fold-const.c: Include rtl.h to get the prototype for
4204 `set_identifier_local_value'.
4206 * loop.c (express_from_1): Remove unused variable `tmp'.
4207 (combine_givs): cast the first argument of bzero to char *.
4209 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4211 * c-decl.c (init_decl_processing): Remove unneeded &.
4213 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4215 * except.c (set_exception_lang_code, set_exception_version_code):
4216 Change parameter from `short' to `int' to avoid using a gcc
4217 extension.
4219 * except.h (set_exception_lang_code, set_exception_version_code):
4220 Likewise for prototypes.
4222 * flow.c (count_reg_references): Remove unused variables `regno'
4223 and `i'.
4225 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4227 * prefix.c (translate_name): Cast the result of `alloca'.
4229 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4231 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4233 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4234 Include "toplev.h".
4235 (valid_dbcc_comparison_p): Mark mode argument as unused.
4236 (symbolic_operand): Likewise.
4237 (legitimize_pic_address): Likewise.
4238 (const_uint32_operand): Likewise.
4239 (const_sint32_operand): Likewise.
4240 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4241 schedule_insns and comment out rest of file.
4243 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4244 address register.
4245 (output_move_[hq]imode): Likewise.
4247 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4249 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4250 * invoke.texi: Corresponding changes.
4252 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4254 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4256 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4258 * config/sparc/sparc.c (ultra_code_from_mask,
4259 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4260 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4261 ultrasparc_sched_init, ultrasparc_variable_issue,
4262 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4263 functions to describe UltraSPARC pipeline exactly to Haifa.
4264 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4265 as there is nothing the scheduler can do about it. Indicate that
4266 REG_DEP_OUTPUT's collide. Fixup formatting.
4267 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4268 divide costs on Ultra for DImode.
4269 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4270 Define.
4271 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4272 ieuN and add call_no_delay_slot to type list.
4273 (cti function unit): New unit for branches on UltraSPARC.
4274 (subx/addx insns): Set type to misc.
4275 (sidi zero/sign extension insns on arch64): Set type to shift.
4276 (sign_extendhidi2_insn): Set type to sload.
4278 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4280 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4281 (output_epilog): Use if != 0 for offset.
4282 (rs6000_fatal_bad_address): Prepare for Intl.
4283 * rs6000.h (rs6000_fatal_bad_address): Declare.
4284 * rs6000.md (movsfcc, movdfcc): Use else if.
4285 (elf_high): Use {liu|lis}.
4286 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4287 (movsi): Use rs6000_fatal_bad_address.
4289 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4291 * reload.c (find_equiv_reg): Reject equivalences separated
4292 by a volatile instruction.
4294 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4296 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4298 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4300 * alpha.md (movsicc): Fix mode mismatch.
4302 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4304 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4305 return type.
4306 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4308 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4310 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4311 write-only modifier from operand 1 constraint.
4313 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4315 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4316 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4317 sake.
4318 (sparc_emit_set_const64): Likewise, also when computing trailing
4319 bits do not negate low_bits and make fast_int an int.
4321 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4323 * loop.c (add_label_notes): Do not ignore references to labels
4324 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4325 * gcse.c (add_label_notes): Similarly.
4327 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4329 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4330 (adddi_dishl32): Similarly.
4332 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4334 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4335 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4336 * cse.c (cse_basic_block): Add parens to shut up warnings.
4338 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4340 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4341 sparc_emit_set_const64_longway, const64_is_2insns,
4342 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4343 in 64-bit constant formation.
4344 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4345 rtl for addx not subx.
4346 (define_insn movdi_const64_special): Make available even when
4347 HOST_BITS_PER_WIDE_INT is not 64.
4348 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4349 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4350 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4351 instances of operand 1 inside a QI subreg.
4352 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4353 (one_cmpldi2_sp64): Fix output string.
4354 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4355 alternative case.
4356 (unnamed arch64 ashift DI): Truncate shift count if greater than
4357 63, not 31.
4359 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4361 * expr.c (store_expr): Don't optimize away load-store pair
4362 when either source or destination have a side effect.
4364 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4366 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4367 operands of SET are incompatible.
4369 * alpha.md: Fix max and min patterns so modes of SET operands match.
4371 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4373 * configure.in: Avoid [[ by using test and changequote.
4374 * configure: Rebuild.
4376 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4378 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4380 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4381 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4382 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4383 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4384 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4385 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4386 Fix mismatching modes in SET operands.
4387 (conditional move patterns): Fix formatting.
4388 (unnamed subx arch64 pattern): Remove duplicate insn.
4390 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4392 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4393 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4394 (input_operand): Fixup test for what we accept for constant
4395 integers.
4396 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4397 set VOIDmode.
4398 (safe_constDI): Remove.
4399 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4400 gen_safe_XOR64): New functions.
4401 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4402 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4403 them.
4404 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4405 available when HOST_BITS_PER_WIDE_INT is not 64.
4406 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4407 move before movdi_insn_sp64 pattern.
4408 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4409 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4410 symbolic_operand as predicate for second operand.
4411 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4412 expander): Give set VOIDmode.
4414 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4416 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4418 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4420 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4422 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4424 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4425 point.
4426 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4428 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4430 * install.texi: Various SCO OpenServer tweaks.
4432 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4434 * reload1.c (eliminate_regs_in_insn): Handle another case when
4435 eliminating the frame pointer to the hard frame pointer. Add
4436 missing ep->to_rtx check to one existing case.
4438 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4440 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4442 * tree.h: De-conditionalize init_priority code.
4444 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4445 * collect2.c (NM_FLAGS): Change from -p to -n.
4447 * configure.in: Turn on collect2 for mipstx39-elf.
4448 Handle use_collect2=no properly.
4450 * c-common.c: De-conditionalize init_priority code.
4451 * collect2.c (extract_init_priority, sort_ids): New fns.
4452 (main): Call sort_ids.
4453 Move sequence_number to file scope.
4455 * configure.in: Handle --enable-init-priority.
4456 * c-common.c (attrs): Add A_INIT_PRIORITY.
4457 (init_attributes, decl_attributes): Likewise.
4458 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4459 * tree.c (get_file_function_name_long): Split out...
4460 (get_file_function_name): ...from here.
4462 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4464 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4465 accessing nodes.
4467 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4469 * toplev.c (display_help): Add braces to shut up warnings.
4470 * tree.c (simple_cst_equal): Likewise.
4472 * fold-const.c (non_lvalue): Don't deal with null pointer
4473 constants here.
4474 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4476 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4477 of any size to a pointer.
4479 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4481 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4483 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4485 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4486 which will be saved.
4487 * mn10300.md (prologue insn): Only save registers which need saving.
4488 (epilogue insn): Similarly.
4490 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4491 optimizations.
4493 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4495 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4496 VAR_DECL's in gp addressable sections.
4498 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4500 * sparc.c: Change return <exp> to <exp>; return; in functions
4501 returning void.
4502 * sparc.md: Add empty semicolon statement after final label in
4503 move expanders.
4505 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4507 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4508 addx_extend_sp64, only allow when TARGET_ARCH64.
4509 (define_insn addx_extend_sp32 and split): Version that works when
4510 not TARGET_ARCH64.
4511 (define_insn subx_extend): Likewise.
4512 (define_split adddi3 and subdi3 with zero extension): Fixup and
4513 correct bugs when not TARGET_ARCH64.
4515 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4517 * except.c (set_exception_lang_code, set_exception_version_code):
4518 Use prototype-style definition if __STDC__, to match declaration
4519 in except.h.
4521 * genemit.c: Change FAIL and DONE macros not to use loops.
4523 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4525 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4526 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4528 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4530 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4532 * README.g77: Update from Craig.
4534 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4536 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4537 type HOST_WIDE_INT.
4538 (safe_constDI sparc_emit_set_const64_quick1,
4539 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4540 analyze_64bit_constant, const64_is_2insns,
4541 create_simple_focus_bits): Fix some bugs when compiled on real
4542 64-bit hosts.
4543 (function_arg_record_value_3, function_arg_record_value_2,
4544 function_arg_record_value): Add fully prototyped forward decls.
4545 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4546 to cmpsi_insn and use on both 64 and 32 bit targets.
4547 (define_insn cmpsi_insn_sp64): Remove.
4548 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4549 (define_insn zero_extendsidi2_insn): Rename to
4550 zero_extendsidi2_insn_sp64.
4551 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4552 assosciated forced split for it.
4554 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4555 New predicates.
4556 * config/sparc/sparc.h: Declare them.
4557 (PREDICATE_CODES): Add them.
4558 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4559 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4561 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4563 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4564 in v9 case as the latter makes the Solaris assembler crash.
4566 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4568 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4569 for TFmode when !v9. We require offsettable memory addresses.
4570 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4571 DFmode register number conversions.
4572 * config/sparc/sparc.md (define_split DFmode moves): If register
4573 is a SUBREG do alter_subreg on it before using.
4574 (define_expand movtf): Fixup comment about alignment on v9.
4575 (define_split TFmode moves): Don't use gen_{high,low}part, create
4576 explicit SUBREGs instead.
4578 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4580 * Makefile.in (mbchar.o): Depend on mbchar.c.
4582 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4583 Richard Henderson <rth@cygnus.com>
4585 Rewrite Sparc backend for better code generation and
4586 improved sparc64 support.
4587 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4588 zero.
4589 * config/sparc/sysv4.h: Likewise.
4590 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4591 move_operand, v8plus_regcmp_op, emit_move_sequence,
4592 singlemove_string, doublemove_string, mem_aligned_8,
4593 output_move_double, output_move_quad, output_fp_move_double,
4594 move_quad_direction, output_fp_move_quad, output_scc_insn):
4595 Remove.
4596 (small_int_or_double): New predicate.
4597 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4598 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4599 old pic_{sethi,lo_sum}_si patterns.
4600 (mem_min_alignment): New generic function to replace
4601 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4602 available and can test for arbitrary alignments. All callers
4603 changed.
4604 (save_regs, restore_regs, build_big_number,
4605 output_function_prologue, output_cbranch, output_return,
4606 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4607 sparc_flat_output_function_epilogue): Prettify
4608 insn output.
4609 (output_function_epilogue): Likewise and add code to output
4610 deferred case vectors.
4611 (output_v9branch): Likewise, add new arg INSN and use it to tack
4612 on branch prediction settings. All callers changed.
4613 (print_operand): Likewise and output %l44 for LO_SUMs when
4614 TARGET_CM_MEDMID.
4615 (sparc_splitdi_legitimate): New function to make sure DImode
4616 splits can be run properly when !arch64.
4617 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4618 Reformat example code in comments.
4619 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4620 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4621 of deferred case vectors we need to output.
4622 (sparc_defer_case_vector): Record a case vector.
4623 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4624 sparc_output_deferred_case_vectors): New functions to output them.
4625 (sparc_emit_set_const32): New function to form 32-bit constants in
4626 registers when that requires more than one instruction.
4627 (safe_constDI, sparc_emit_set_const64_quick1,
4628 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4629 analyze_64bit_constant, const64_is_2insns,
4630 create_simple_focus_bits, sparc_emit_set_const64): New functions
4631 which do the same for 64-bit constants when arch64.
4632 (sparc_emit_set_symbolic_const64): New function to emit address
4633 loading for all code models on v9.
4634 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4635 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4636 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4637 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4638 inaccuracies in comments, add symbolic and text_segment operands
4639 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4640 GENERAL_REGS in these cases as a temp REG is needed to load these
4641 addresses into a register properly.
4642 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4643 is no longer used.
4644 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4645 quads are guarenteed to have 16-byte alignment.
4646 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4647 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4648 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4649 deferred case vector implementation.
4650 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4651 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4652 Generate "internal label - label" instead of "label - 1b".
4653 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4654 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4655 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4656 zero_operand.
4657 (doublemove_string, output_block_move, output_fp_move_double,
4658 output_fp_move_quad, output_move_double, output_move_quad,
4659 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4660 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4661 (sparc_emit_set_const32, sparc_emit_set_const64,
4662 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4663 mem_min_alignment, small_int_or_double): Add externs.
4664 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4665 UNSPEC_VOLATILE in this backend.
4666 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4667 unary to types which execute in it.
4668 (define_function_unit ieu_shift): Rename to ieu0.
4669 (define_function_unit ieu1): New, executes compare, call, and
4670 uncond_branch type insns.
4671 (define_function_units for type fdivs, fdivd, fsqrt): These
4672 execute in the fpu multiply unit not the adder on UltraSparc.
4673 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4674 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4675 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4676 allows the arith_double_operand predicate and rHI constraint when
4677 TARGET_ARCH64.
4678 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4679 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4680 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4681 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4682 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4683 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4684 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4685 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4686 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4687 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4688 sign_extendqihi2_insn, sign_extendqisi2_insn,
4689 sign_extendqidi2_insn, sign_extendhidi2_insn,
4690 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4691 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4692 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4693 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4694 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4695 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4696 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4697 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4698 smulsi3_highpart_v8plus, unnamed subreg mult,
4699 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4700 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4701 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4702 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4703 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4704 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4705 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4706 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4707 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4708 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4709 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4710 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4711 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4712 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4713 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4714 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4715 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4716 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4717 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4718 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4719 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4720 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4721 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4722 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4723 call_address_untyped_struct_value_sp32,
4724 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4725 call_value_symbolic_sp32, call_value_address_sp64,
4726 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4727 flush_register_windows, goto_handler_and_restore,
4728 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4729 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4730 return_addsi, return_di, return_adddi, return_sf, all call+jump
4731 peepholes, trap, unnamed trap insns): Prettify output strings.
4732 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4733 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4734 Likewise and force + implement splits for integer cases.
4735 (define_insn return_sf_no_fpu): Likewise and allow to match when
4736 no-fpu because of our subreg SFmode splits.
4737 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4738 zero_extendqidi2_insn, zero_extendhidi2_insn,
4739 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4740 input_operand for second operand.
4741 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4742 reg_or_0_operand for operand 2 so new splits can use it.
4743 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4744 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4745 too.
4746 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4747 CONST_DOUBLEs for operand 2.
4748 (define_insn move_label_di): Likewise and label distance
4749 optimization because it no longer works with new deferred case
4750 vector scheme. To be revisited.
4751 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4752 and allow reg_or_0_operand and J constraint for second operand.
4753 (define_insn jump): Set branch predict taken on V9.
4754 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4755 new deferred case vector scheme.
4756 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4757 (define_insn negdi2_sp32): Force + implement splits.
4758 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4759 one_cmplsi2_not_liveg0 respectively, and create expander of original
4760 names which emit special rtl for TARGET_LIVE_G0.
4761 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4762 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4763 gen_compare_reg, FAIL instead.
4764 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4765 values when trying to reverse condition codes, if they FAIL then
4766 do likewise.
4767 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4768 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4769 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4770 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4771 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4772 set output string to # to indicate they are mandatory splits.
4773 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4774 pic_sethi_di, move_pic_label_si): Remove.
4775 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4776 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4777 place.
4778 (define_expand movsi_pic_label_ref, define_insn
4779 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4780 expander and insns to handle PIC label references and deferred
4781 case vectors.
4782 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4783 used.
4784 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4785 Rewrite to not use emit_move_sequence, make use of new constant
4786 formation code, and new splits for all multi-insn cases.
4787 (define_insn movqi_insn): Remove sethi case, it can never happen.
4788 Use reg_or_zero_operand instead of const0_rtx explicit test,
4789 use input_operand instead of move_operand for source, and use
4790 general_operand now for dest.
4791 (define_insn movhi_insn): Similar but leave sethi case.
4792 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4793 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4794 movhi_lo_sum respectively, prettify output string.
4795 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4796 register when needed on TARGET_LIVE_G0.
4797 (define_insn movsi_insn): Use general_operand and input_operand
4798 for dest and src respectively. Simplify applicability test.
4799 Prettify output strings, and add clr alternative for J
4800 constraint.
4801 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4802 deprecated std and reg-reg DI moves): Remove and...
4803 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4804 implementation which uses forced splits for all non-single insn
4805 cases.
4806 (define_split DI move cases on !arch64): New splits to handle all
4807 situations of 64-bit double register DImode on 32bit, and
4808 unaligned registers and memory addresses for all subtargets.
4809 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4810 Remove.
4811 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4812 input_operand for dest and src respectively, prettify output
4813 strings.
4814 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4815 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4816 and...
4817 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4818 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4819 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4820 movtf_no_e_insn_sp64) Replace with new
4821 implementation which uses forced splits for all non-single insn
4822 cases.
4823 (define_split DF move cases): New splits in similar vein to DI
4824 move counterparts.
4825 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4826 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4827 movdi_sp64_insn): Remove old v9 code model and constant loading
4828 support insns and..
4829 (define_insn pic_lo_sum_di, pic_sethi_di,
4830 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4831 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4832 embmedany_sethi, embmedany_losum, embmedany_brsum,
4833 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4834 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4835 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4836 scheme, using unspecs, secondary reloads, and one to one sparc
4837 insn to rtl insn mapping for better scheduling and code gen.
4838 (define_expand reload_indi, reload_outdi): Reload helpers for
4839 MEDANY and EMBMEDANY symbol address loading cases which require a
4840 temporary register.
4841 (define_expand movsicc): Remove v8plus_regcmp cases.
4842 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4843 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4844 cmp_diqi_trunc_set): New patterns used by some of the new scc
4845 splits on arch64.
4846 (define_insn xordi3_sp64_dbl): New pattern used for constant
4847 formation when crossing from 32-bit targets.
4848 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4849 split): Remove.
4850 (define_insn addx, subx): Make visible and prettify.
4851 (define_insn adddi3_insn_sp32): Likewise and force split.
4852 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4853 64bit scc split usage.
4854 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4855 zero_extend, subdi3): Force and implement splits.
4857 * final.c (final_scan_insn): Don't output labels if target
4858 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4859 instead.
4861 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4862 don't forget to walk inside SEQUENCESs too as these are what the
4863 delay slot scheduler will create.
4865 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4867 * alpha.md (extxl+1,+2): New patterns to work around
4868 combine lossage.
4870 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4872 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4873 caused bad assembly code to be generated.
4875 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4877 * netbsd.h: Fix typo.
4879 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4881 * config.sub: Fix typo.
4883 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4885 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4886 into "aspects".
4887 (Running Protoize): Typo: Change "ther" into "other".
4889 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4891 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4892 * m68k/netbsd.h: Likewise.
4893 * ns32k/netbsd.h: Likewise.
4894 * sparc/netbsd.h: Likewise.
4896 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4898 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4899 * ginclude/va-clipper.h (va_list): Likewise.
4901 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4903 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4904 load/store multiple instructions unless user overrides.
4906 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4908 * ns32k/netbsd.h: Fix typo.
4910 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4912 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4913 labels with .debugsym if no parallel insns.
4915 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4917 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4918 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4920 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4922 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4923 (AR_FOR_TARGET): Define.
4925 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4927 * dyn-string.h: New file.
4928 * dyn-string.c: Likewise.
4929 * Makefile.in (OBJS): Add dyn-string.o.
4930 (dwarf2out.o): Add dyn-string.h dependency.
4931 (dyn-string.o): List dependencies.
4932 * dwarf2out.c: Include dyn-string.h.
4933 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4934 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4935 prototype. Use dyn_string_append rather than strcat, throughout.
4936 (addr_to_string): Use dyn_string_t.
4938 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4940 Function entry/exit profiling instrumentation:
4941 * expr.h (profile_function_entry_libfunc,
4942 profile_function_exit_libfunc): Declare new variables.
4943 * optabs.c: Define them here.
4944 (init_optabs): Initialize them.
4945 * tree.h (struct tree_decl): New flag
4946 no_instrument_function_entry_exit.
4947 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4948 * c-decl.c (duplicate_decls): Merge it.
4949 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4950 (init_attributes): Use it for "no_instrument_function".
4951 (decl_attributes): Handle it, for functions that have not yet been
4952 compiled. Set decl flag.
4953 * flags.h (flag_instrument_function_entry_exit): Declare new
4954 variable.
4955 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4956 (f_options): New option "instrument-functions".
4957 * function.h (struct function): New field instrument_entry_exit.
4958 * function.c (current_function_instrument_entry_exit): New
4959 variable.
4960 (push_function_context_to, pop_function_context_from): Save and
4961 restore.
4962 (expand_function_start): Set current_ variable, maybe emit return
4963 label and entry profile call.
4964 (expand_function_end): Maybe emit exit profile call.
4966 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4968 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4969 NON_QI_REG_P, pretend the register is SImode.
4971 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4973 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4974 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4975 manufacturer id for ns32k.
4976 * configure: Regenerated.
4977 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4978 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4979 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4980 * config/m68k/netbsd.h: Same.
4981 * config/ns32k/netbsd.h: Same.
4982 * config/sparc/netbsd.h: Same.
4984 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4986 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4987 or UNROLL_COMPLETELY loop that starts with a jump to its
4988 exit code.
4990 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4992 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4993 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4994 (print_operand, case 'B'): Don't fall through.
4995 (print_operand, case 'S'): Correct mask begin/end computation.
4996 Use HOST_BITS_PER_WIDE_INT.
4997 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4998 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4999 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5000 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5002 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5004 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5005 constraint from second alternative.
5007 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5009 * configure.in: Fix --without/--disable cases for local-prefix,
5010 gxx-include-dir and checking.
5012 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5014 * configure.in (enable_haifa): Set by default for sparc64 too.
5015 configure: Rebuilt.
5017 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5019 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5020 * i386/winnt.c (associated_type): New fn.
5021 (i386_pe_valid_type_attribute_p): New fn.
5022 (i386_pe_check_vtable_importexport): Remove.
5023 (i386_pe_dllexport_p): Use associated_type.
5024 (i386_pe_dllimport_p): Likewise.
5026 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5027 * i386.c (i386_valid_type_attribute_p): Also accept
5028 attributes for METHOD_TYPEs.
5030 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5032 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5034 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5036 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5038 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5039 them from generating a new base name for each occurence of
5040 a specific suffix.
5042 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5044 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5045 SUBREG, MEM.
5046 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5050 * cplus-dem.c (type_kind_t): New type.
5051 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5052 on this paramter, rather than demangling the type again.
5053 (demangle_integral_value): Pass tk_integral.
5054 (demangle_template_: Pass the value returned from do_type.
5055 (do_type): Return a type_kind_t. Pass tk_integral to
5056 demangle_template_value_parm for array bounds.
5057 (demangle_fund_type): Likewise.
5059 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5061 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5062 identical.
5064 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5066 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5068 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5070 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5072 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5073 index conversion.
5075 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5077 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5078 (DEBUGGER_ARG_OFFSET): Likewise.
5080 * mn10300.md (movsf): Remove last change. Not needed.
5082 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5084 * c-lex.c (yylex): Fix boundary conditions in character literal and
5085 string literal loops.
5087 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5089 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5090 being invoked incorrectly.
5092 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5093 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5094 Add -pg support.
5095 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5096 * configure.in: Added i[34567]86-*-win32
5097 * config.sub: Ditto.
5098 * configure: Rebuilt.
5100 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5102 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5103 the frame pointer and compiling PIC code and reload has not completed.
5105 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5106 case.
5108 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5110 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5112 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5114 * Makefile.in (install-info): Only try to update the info
5115 directory file if it exists in the first place.
5117 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5119 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5121 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5123 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5124 CONST_DOUBLE source.
5126 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5128 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5129 strings as the insertion of USER_LABEL_PREFIX.
5130 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5131 valid code.
5132 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5133 calls.
5135 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5137 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5138 already defined type.
5140 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5142 * expr.c (check_max_integer_computation_mode): Allow conversions
5143 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5144 (expand_expr): Likewise.
5146 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5148 * expr.c (expand_expr): Expand RETURN_EXPR.
5150 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5152 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5154 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5156 * dwarf2out.c (output_aranges): Call stripattributes
5157 for TEXT_SECTION references.
5158 (output_line_info): Likewise.
5160 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5162 * profile.c (branch_prob): Call allocate_reg_info after outputting
5163 profile rtl in instrument_arcs.
5165 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5167 * fixinc.irix (math.h): Install wrapper instead of copying.
5169 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5171 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5172 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5173 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5174 lang_flag_0. Added documentation in the flag table.
5176 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5178 * cccp.c (do_include): Fix vax c style include handling.
5180 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5182 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5184 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5186 * fold-const.c (non_lvalue): Don't deal with null pointer
5187 constants here.
5188 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5190 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5192 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5193 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5194 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5195 (u_short_cint_operand): Same.
5196 (reg_or_cint_operand): Same.
5197 (logical_operand): Same.
5198 (input_operand): Same.
5199 (reg_or_short_operand): Use u_short_cint_operand.
5201 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5203 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5204 but keep the insns and splits. Adjust so when the ultimate destination
5205 is memory, use cvtql.
5207 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5209 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5211 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5213 * gcc.c (do_spec): Call "error" not "warning".
5215 * configure.in: Fix minor problems with gas feature detection code.
5216 * configure: Rebuilt.
5218 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5220 * Undo this change.
5221 * gcc.c: Delete %[spec] support.
5222 (do_spec_1, case '('): Likewise.
5223 (do_spec_1, case '['): Call error.
5225 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5227 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5228 (CPP_SUBTARGET_SPEC): Default to empty string.
5229 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5230 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5231 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5232 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5233 (LIB_SPEC): Tidy.
5234 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5235 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5236 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5237 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5238 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5239 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5240 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5241 * alpha/vxworks.h: Likewise.
5243 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5245 * mips.md (reload_outsi): Added missing REGNO call.
5246 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5247 function pointer.
5248 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5249 another match_operator and compare the codes.
5251 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5253 * MIPS multiply pattern fixes:
5254 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5255 Add union classes for HI, LO, or HILO plus general registers.
5256 (GENERATE_MADD): Deleted.
5257 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5258 Add TARGET_MAD to condition.
5259 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5260 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5261 "*d" for accumulator, to give preference to LO initially but not
5262 during reload.
5264 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5266 * configure.in (enable_c_mbchar): New configure option.
5267 (extra_cpp_objs): Always available now.
5269 * cexp.y (mbchar.h): #include it.
5270 (yylex): Handle Multibyte characters in character literals.
5272 * cccp.c (mbchar.h): #include it.
5273 (main): Set character set based on LANG environment variable.
5274 (rescan): Handle multibyte characters in comments.
5275 (skip_if_group): See above.
5276 (validate_else): See above.
5277 (skip_to_end_of_comment): See above.
5278 (macarg1): See above.
5279 (discard_comments): See above.
5280 (rescan): Handle multibyte characters in string and character literals.
5281 (collect_expansion): See above.
5282 (skip_quoted_string): See above.
5283 (macroexpand): See above.
5284 (macarg1): See above.
5285 (discard_comments): See above.
5286 (change_newlines): See above.
5288 * c-lex.c (mbchar.h): #include it.
5289 (GET_ENVIRONMENT): New macro.
5290 (init_lex): Set character set based on LANG environment variable.
5291 (yylex): Handle multibyte characters in character literals.
5292 (yylex): Handle multibyte characters in string literals.
5294 * Makefile.in (mbchar.o): New target.
5295 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5296 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5298 * mbchar.[ch]: New files for multibyte character handling.
5300 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5302 * jump.c (jump_optimize): When simplifying noop moves and
5303 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5304 the PUSHes to rewrite in second loop as we did in the first.
5306 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5308 * cplus-dem.c (demangle_nested_args): Make function definition
5309 static to match the prototype.
5311 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5313 * alloca.c: Respect USE_C_ALLOCA.
5314 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5315 * gengenrtl.c (xmalloc): Likewise.
5317 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5319 * loop.h (struct induction): Add no_const_addval.
5320 * loop.c (the_movables, reg_address_cost): New variables.
5321 (init_loop): Init reg_address_cost.
5322 (loop_optimize): Call end_alias_analysis.
5323 (scan_loop): Init the_movables.
5324 (record_giv): Init induction->no_const_addval.
5325 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5326 [REG]: Rearrange loop search test to catch more cases.
5327 (general_induction_var): Return success not benefit; take an extra
5328 argument for that. Change all callers.
5329 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5330 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5331 [default]: Search the_movables for additional combinations.
5332 (sge_plus_constant, sge_plus): New functions.
5333 (express_from_1): New function.
5334 (express_from): Always define. Rewrite using express_from_1.
5335 (combine_givs_p): Handle more cases. Ignore address cost.
5336 (cmp_combine_givs_stats): New function.
5337 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5338 (combine_givs): Rewrite to do best-fit combination.
5340 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5341 (fold): Do a complete (A*C)+(B*C) association check.
5343 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5345 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5347 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5349 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5351 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5353 * tree.c (valid_machine_attribute): Only create a new type variant if
5354 there is a decl to use it.
5356 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5358 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5359 a suffix.
5361 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5363 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5364 be deleted"
5366 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5368 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5369 Simplify tests for clearing an address register.
5370 (expand_prologue): Corresponding changes.
5372 * mn10300.md (movXX patterns): Make sure the destination is an
5373 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5374 (logical patterns): Split into expanders + patterns
5375 (zero and sign extension patterns): Similarly.
5376 (shift patterns): Similarly.
5378 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5380 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5381 for the sequence, recording base values.
5383 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5385 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5387 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5389 * gcc.c: Remove ANSI-C ism from --help code.
5391 * toplev.c: Support --help with USE_CPPLIB.
5393 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5395 * configure.in: Rework gas feature code to work with symlink based
5396 source trees.
5398 * extend.texi: Clarify some issues related to local variables
5399 assigned to explicit registers.
5401 * mn10300.md (mulsi): Turn into expander + pattern.
5403 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5404 alternative.
5406 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5408 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5410 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5412 * version.c: Bump again to distinguish mainline tree from the
5413 egcs-1.1 branch.
5415 See ChangeLog.0 for earlier changes.
5417 Local Variables:
5418 add-log-time-format: current-time-string
5419 End: