1 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
5 (try_combine): Don't update max_scratch.
6 * flow.c (max_scratch, num_scratch): Delete variables.
7 (life_analysis_1): Don't initialize max_scratch.
8 (propagate_block): Don't update max_scratch.
9 (mark_set_1): Don't increment num_scratch.
10 * regs.h (max_scratch): Delete declaration.
12 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
14 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
15 is nonzero. This is temporary!
17 * sched.c (update_flow_info): Handle death notes made invalid by
18 instruction splitting. Partially reverts Oct 15, 1998 patch.
19 * haifa-sched.c (update_flow_info): Likewise.
21 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
23 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
24 if it has a nonzero DECL_INITIAL.
26 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28 * Makefile.in (flow.o): Depend on recog.h.
30 * cpplib.h (directive_table): Add missing initializiers.
31 (finclude): Change type of variable `bsize' to size_t.
33 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
35 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
37 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
38 `int' when comparing against one.
39 (cpp_file_line_for_message): Mark parameter `pfile' with
41 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
43 * flow.c: Include recog.h.
44 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
46 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
47 `f' with ATTRIBUTE_UNUSED.
48 (reposition_prologue_and_epilogue_notes): Likewise.
50 * genopinit.c (gen_insn): Cast argument of ctype functions to
53 * haifa-sched.c: Include recog.h.
54 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
55 comparing against one.
57 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
59 * mips-tfile.c (parse_end): Cast the argument of ctype function to
61 (parse_ent): Likewise.
62 (parse_input): Likewise.
64 * optabs.c (init_libfuncs): Likewise.
66 * protoize.c (find_rightmost_formals_list): Likewise.
68 * recog.h (const_double_operand): Fix typo in prototype.
70 * tlink.c (scan_linker_output): Cast the argument of ctype
71 function to `unsigned char'.
73 * toplev.c (check_lang_option): Cast the result of `strlen' to
74 `int' when comparing against one.
76 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
78 * gcse.c (dump_cuid_table): Correct typo.
80 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
82 * toplev.c (display_help): Prepend '-m' to target specific
84 (check_lang_option): Ignore text after end of first word of a
85 language specific option.
87 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
89 * reload1.c (reg_used_by_pseudo): New static variable.
90 (choose_reload_regs): Initialize it.
91 Use it instead of testing spill_reg_order to determine whether a
92 pseudo is live in a hard register across the current insn.
93 Fix a typo in a reference to reload_reg_rtx.
95 * flow.c (propagate_block): Replace code that computes and uses
96 regs_sometimes_live with simpler code that just walks the set of
97 currently live registers.
99 * Makefile.in (insn-extract.o): Fix dependencies.
100 * genextract.c (main): Generate includes for insn-config.h and
102 Delete generation of declarations which are now in recog.h.
103 * genrecog.c (main): Delete generation of definitions which are
105 * local-alloc.c (block_alloc): Use extract_insn and the variables
106 it sets up instead of looking up values by insn_code.
107 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
108 recog_dup_num): Define here instead of generating the definition in
110 (recog_n_operands, recog_n_dups, recog_n_alternatives,
111 recog_operand_mode, recog_constraints, recog_operand_address_p):
113 (extract_insn): New function.
114 * recog.h (extract_insn): Declare function.
115 (which_alternative, recog_n_operands, recog_n_dups,
116 recog_n_alternatives, recog_operand_mode, recog_constraints,
117 recog_operand_address_p): Declare variables.
118 * regclass.c (n_occurrences): New static function.
119 * reload.c (n_occurrences): Delete function.
120 (find_reloads): Use extract_insn.
121 * reload.h (n_occurrences): Delete declaration.
123 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
125 * reload1.c (reload_as_needed): Fix test for when to call
126 update_eliminable_offsets.
128 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
130 Fix consistency problems with reg_equiv_{mem,address};
131 Improve reload inheritance;
133 * reload.c (reload_out_reg): New variable.
134 (loc_mentioned_in_p, remove_address_replacements): New functions.
135 (remove_replacements): Deleted.
136 (push_reload): Set reload_out_reg[i].
137 When merging, also set reload_{in,out}_reg[i], and remove
138 duplicate address reloads.
139 (combine_reloads): Copy reload_out_reg[i].
140 (find_reloads): Do make_memloc substitution also when
141 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
143 Include *recog_operand_loc in commutativity operand changes.
144 Generate optional output reloads.
145 Delete reference to n_memlocs. Don't set *recog_operand_loc before
146 processing operands. Call make_memloc in reg_equiv_address code.
147 Set *recog_operand_loc only after processing operands, and only
148 if replace is true. Return a value.
149 When changing address reload types for operands that didn't get
150 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
151 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
152 Don't emit USEs for pseudo SUBREGs when not replacing.
153 (find_reloads_address): Do make_memloc substitution also when
154 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
156 (find_reloads_toplev): Likewise.
157 Call make_memloc in reg_equiv_address code.
158 (debug_reload_to_stream): Add code to output reload_out_reg.
159 (make_memloc): Delete local variable i, ifdefed out code, and
160 references to memlocs and n_memlocs.
161 (memlocs, n_memlocs): Delete.
162 (push_secondary_reload): Clear reload_out_reg.
163 (find_reloads_address_1): Provide memrefloc argument to all calls
164 to find_reloads_address.
165 In AUTO_INC code, handle non-directly addressable equivalences properly.
166 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
167 (find_reloads): Add return type.
168 (remove_address_replacements, deallocate_reload_reg): Declare.
169 * reload1.c (num_not_at_initial_offset): No longer static.
170 (delete_address_reloads, delete_address_reloads_1): Likewise.
171 (deallocate_reload_reg): New function.
172 (spill_reg_stored_to): New array.
173 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
174 (eliminate_regs_in_insn): Move assignments of previous_offset and
175 max_offset fields, and recalculation of num_not_at_initial_offset
176 into new static function:
177 (update_eliminable_offsets) .
178 (reload_as_needed): Call update_eliminable_offsetss after calling
180 Call forget_old_reloads_1 with contents of reloaded auto_inc
181 expressions if the actual addressing can't be changed to match the
183 (choose_reload_regs): For inheritance, replace
184 reload_reg_free_before_p test with reload_reg_used_at_all test, and
185 remove stand-alone reload_reg_used_at_all test.
186 Use reload_out_reg to determine which reload regs have output reloads.
187 Treat reload_override_in more similar to inherited reloads.
188 Handle (subreg (reg... for inheritance.
189 For flag_expensive_optimizations, add an extra pass to remove
190 unnecessary reloads from known working inheritance.
191 Delete obsolete code for pseudos replaced with MEMs.
192 Handle inheritance from auto_inc expressions.
193 (emit_reload_insns): If reload_in is a MEM, set OLD to
195 Don't reload directly from oldequiv; if it's a pseudo with a
196 stack slot, use reload_in[j].
197 Check that reload_in_reg[j] is a MEM before replacing reload_in
198 from reg_reloaded_contents.
199 Include non-spill registers in reload inheritance processing.
200 Also try to use reload_out_reg to set spill_reg_store /
202 In code to set new_spill_reg_store, use single_set to find out if
203 there is a single set.
204 Add code that allows to delete optional output reloads.
205 Add code to allow deletion of output reloads that use no spill reg.
206 At the end, set reload_override_in to oldequiv.
207 Also call delete_output_reload if reload_out_reg is equal to old
209 Add code to call delete_output_reload for stores with no matching load.
210 Set / use spill_reg_stored_to.
211 Handle case where secondary output reload uses a temporary, but
212 actual store isn't found.
213 When looking for a store of a value not loaded in order to call
214 delete_output_reload, count_occurences should return 0 for no
215 loads; but discount inherited input reloadill_reg_stored_to.
216 Do checks for extra uses of REG. Changed all
218 Use delete_address_reloads.
219 (reload): Take return value of find_reloads into account.
220 If a no-op set needs more than one reload, delete it.
221 (reload_reg_free_before_p): RELOAD_FOR_INPUT
222 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
223 for the same operand.
224 (clear_reload_reg_in_use): Check for other reloads that keep a
226 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
227 RELOAD_FOR_OPADDR_ADDR.
228 Take into account when an address address reload is only needed
229 for the address reload we are considering.
230 (count_occurrences): Use rtx_equal_p for MEMs.
231 (inc_for_reload): Return instruction that stores into RELOADREG.
232 New argument two, IN, and rtx. Changed all callers.
233 (calculate_needs_all_insns, reload_as_needed):
234 Don't clear after_call for a CLOBBER.
235 Keep track of how many hard registers need to be copied from
236 after_call, and don't clear after_call before we have seen
237 that much copies, or we see a different instruction.
239 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
241 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
242 after reload has completed.
244 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
246 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
247 a macro name and the next token with a single blank if that whitespace
248 is in a macro buffer and the next token is not '('.
250 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
252 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
254 (skip_if_group): Ditto.
255 (skip_to_end_of_comment): Ditto.
257 (discard_comments): Ditto.
258 (change_newlines): Ditto.
260 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
262 * c-lex.c (yylex): Fix unaligned access of wchar_t.
264 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
266 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
267 (TARGET_OPTIONS): Add --help documentation.
269 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
271 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
273 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
275 * fixinc/* Moved in from ../contrib directory in preparation
276 for integrating it into the normal build process. In particular,
277 fixinc/Makefile.in must be config-ed into the build directory
278 as fixinc/Makefile. Proposed patches to ./Makefile.in and
279 ./configure.in will be "in the mail" momentarily.
281 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
283 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
284 accidently walk into the free list. Comment how that can happen.
285 (invalidate): Fix indentation.
287 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
288 Jeffrey A Law (law@cygnus.com)
290 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
291 reload. Never perform rescans of the insn chain after reload.
292 (propagate_block): Do not delete insn or create new autoinc addressing
295 * jump.c (jump_optimize): Unconditionally use the code that was
296 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
297 * reload1.c (reload): When reloading is finished, delete all
298 REG_DEAD and REG_UNUSED notes.
299 (emit_reload_insns): Delete all code that was conditional on
300 PRESERVE_DEATH_INFO_REGNO_P.
301 (no_longer_dead_regs): Delete variable.
302 (reload_cse_delete_death_notes): Delete function.
303 (reload_cse_no_longer_dead): Delete function.
304 (reload_cse_regs_1): Delete all code to handle deletion of death
306 (reload_cse_noop_set_p): Likewise.
307 (reload_cse_simplify_set): Likewise.
308 (reload_cse_simplify_operands): Likewise.
309 (reload_cse_move2add): Likewise.
310 * reorg.c (used_spill_regs): Delete declaration.
311 (max_label_num_after_reload): Delete declaration.
312 (find_dead_or_set_registers): Don't assume that spill regs are
313 dead at a CODE_LABEL.
314 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
316 * sched.c (sched_analyze_insn): Likewise.
317 (update_flow_info): Likewise.
318 * haifa-sched.c (sched_analyze_insn): Likewise.
319 (update_flow_info): Likewise.
320 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
321 * toplev.c (max_label_num_after_reload): Delete variable.
322 (rest_of_compilation): Don't set max_label_num_after_reload.
323 Call life_analysis after reload_cse_regs if optimizing.
324 * config/gmicro/gmicro.h: Delete comment referring to
325 PRESERVE_DEATH_INFO_REGNO_P.
326 * config/i386/i386.h: Likewise.
327 * config/m88k/m88k.h: Likewise.
328 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
329 * config/sh/sh.h: Likewise.
331 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
333 * loop.c (strength_reduce): Restore marking bct_p as
335 * rs6000.c (optimization_options): Change #ifdef HAIFA to
336 HAVE_decrement_and_branch_on_count.
337 (small_data_operand): Remove TARGET_ELF condition for marking
338 parameters ATTRIBUTE_UNUSED.
340 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
342 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
343 (SELECT_SECTION): Resync with svr4.h.
345 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
347 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
350 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
352 * c-pragma.c (handle_pragma_token): Test for null tree before
353 dereferencing TREE_CODE.
355 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
357 * config/c4x/c4x.c: Convert to use GEN_INT.
358 (c4x_parallel_process): Rework to handle new repeat loop structure.
360 * config/c4x/c4x.md: Convert to use GEN_INT.
361 (rptb_end): Convert to use GE test. Replace uses with clobbers.
362 (decrement_and_branch_on_count): Likewise.
364 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
365 loop.c has the desired functionality.
366 (rc_reg_operand): New prototype.
368 * config/c4x/t-c4x: Can now build all front ends.
370 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
372 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
374 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
376 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
377 * config/t-rtems: Do not install assert.h -- use newlib's.
379 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
381 * combine.c (combine_instructions): When finished, call init_recog.
382 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
384 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
386 * toplev.c: If flag_syntax_only, don't open or write assembler file.
388 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
390 * cppalloc.c (memory_full): Mark function prototype with
393 * demangle.h (collect_exit): Likewise.
395 * fix-header.c (v_fatal, fatal): Likewise.
397 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
400 * gcov.c (print_usage): Likewise.
402 * genattr.c (fatal, fancy_abort): Likewise.
404 * genattrtab.c (fatal, fancy_abort): Likewise.
406 * gencodes.c (fatal, fancy_abort): Likewise.
408 * genconfig.c (fatal, fancy_abort): Likewise.
410 * genemit.c (fatal, fancy_abort): Likewise.
412 * genextract.c (fatal, fancy_abort): Likewise.
414 * genflags.c (fatal, fancy_abort): Likewise.
416 * genopinit.c (fatal, fancy_abort): Likewise.
418 * genoutput.c (fatal, fancy_abort): Likewise.
420 * genpeep.c (fatal, fancy_abort): Likewise.
422 * genrecog.c (fatal, fancy_abort): Likewise.
424 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
425 __sjpopnthrow, __throw): Likewise.
427 * objc/objc-act.c (objc_fatal): Likewise.
429 * protoize.c (usage, aux_info_corrupted,
430 declare_source_confusing): Likewise.
432 * rtl.c (dump_and_abort): Likewise.
434 * rtl.h (sets_cc0_p): Likewise.
436 * toplev.c (float_signal, pipe_closed): Likewise.
438 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
440 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
441 when generating the decision tree for the general case.
443 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
444 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
446 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
448 * Makefile.in (sched.o): Depend on recog.h.
450 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
451 (unsigned) when comparing against one.
452 (find_base_value): Likewise.
453 (record_base_value): Cast variable `regno' to (unsigned) when
454 comparing against one. Cast the result of REGNO() macro to
455 (unsigned) when comparing against one.
456 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
458 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
459 variable where an unsigned index is needed.
461 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
462 before comparing against one.
464 * collect2.c: Add prototypes for functions `error', `fatal' and
465 `fatal_perror'. Make these functions take variable arguments
466 instead of faking it with a fixed number of args.
467 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
470 * combine.c (can_combine_p): Mark parameter `pred' with
472 (find_split_point): Cast variable `src' to (unsigned
473 HOST_WIDE_INT) when comparing against one.
474 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
475 (simplify_logical): Likewise.
476 (force_to_mode): Cast result of INTVAL() macro to (unsigned
477 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
478 HOST_WIDE_INT) in shift.
479 (simplify_and_const_int): Cast result of INTVAL() macro to
480 `unsigned HOST_WIDE_INT' when comparing against one.
481 (merge_outer_ops): Cast variable const0 to `unsigned
482 HOST_WIDE_INT' when comparing against the result of
483 GET_MODE_MASK() macro.
484 (simplify_comparison): Likewise for variable `c0'. Cast variable
485 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
486 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
487 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
488 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
489 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
490 comparing against one.
491 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
493 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
494 macro to `unsigned HOST_WIDE_INT' when comparing against one.
495 (output_block_move): Cast `sizeof' expression to (int) when
496 comparing against one.
497 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
499 (save_restore_insns): Cast `base_offset' to `long' to match format
500 specifier in fprintf.
502 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
503 to `enum machine_mode'.
505 * flow.c (life_analysis_1): Remove unused variable `insn'.
507 * gcc.c (translate_options): Move variables `j' and `k' into the
508 scope in which they are used. Change their types to `size_t'.
509 (set_spec): Cast the argument of ctype macro to `unsigned char'.
510 (read_specs): Likewise.
511 (process_command): Cast `sizeof' to (int) when comparing against one.
512 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
513 (handle_braces): Cast both sides of `==' expression to `long' to
514 ensure sign matching.
515 (main): Cast variable `i' to `int' when comparing against one.
517 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
518 int to size_t. Cast variable `i' to size_t when comparing against
521 * genattrtab.c (convert_set_attr_alternative): Remove unused
522 parameter `insn_code'. All callers changed.
523 (convert_set_attr): Likewise.
525 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
526 size_t when comparing against one. Likewise for variable `len'.
528 * global.c (global_alloc): Cast variable `max_regno' to size_t
529 when comparing against one. Likewise for variable `max_allocno'.
531 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
533 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
534 `set' with ATTRIBUTE_UNUSED.
535 (find_free_reg): Cast `sizeof' expression to (int) when comparing
538 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
539 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
540 (get_condition): Cast variable `const_val' to `unsigned
541 HOST_WIDE_INT' when comparing against one. Cast unsigned
542 expression to HOST_WIDE_INT when comparing against one.
543 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
544 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
545 `unsigned' when comparing against one.
547 * protoize.c (is_id_char): Change type of parameter `ch' to
549 (munge_compile_params): Cast argument of ctype macro to (const
551 (process_aux_info_file): Cast variable `aux_info_size' to int when
552 comparing against one.
553 (forward_to_next_token_char): Cast argument of ctype macro to
554 `const unsigned char'.
555 (edit_formals_lists): Likewise.
556 (find_rightmost_formals_list): Likewise.
557 (add_local_decl): Likewise.
558 (add_global_decls): Likewise.
559 (edit_fn_definition): Likewise.
560 (do_cleaning): Likewise.
561 (scan_for_missed_items): Likewise.
562 (edit_file): Cast variable `orig_size' to (int) when comparing
564 (main): Cast argument of ctype macro to `const unsigned char'.
566 * recog.c (const_int_operand): Mark parameter `mode' with
569 * regclass.c (record_reg_classes): Change type of variable `c' to
570 `unsigned char'. Cast `char' array index to `unsigned char'.
572 * reload.c (push_secondary_reload): Cast argument to
573 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
575 * reload1.c (calculate_needs): Cast `char' array index to
577 (set_label_offsets): Change type of variable `i' to unsigned int.
578 Cast result of XVECLEN() macro to unsigned when comparing against
580 (mark_not_eliminable): Change type of variable `i' to unsigned.
581 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
582 when comparing against one.
583 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
584 comparing against one.
585 (choose_reload_regs): Hide unused label `fail'.
586 (reload_cse_simplify_operands): Cast `char' array index to
588 (reload_combine_note_store): Mark parameter `set' with
589 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
591 (reload_cse_move2add): Remove unused variable `src2'.
593 * sched.c: Include recog.h.
594 (sched_note_set): Remove unused parameter `b'. All callers
596 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
597 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
598 when comparing against one.
600 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
601 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
602 comparing against one.
604 * unroll.c (precondition_loop_p): Remove unused parameter
605 `loop_end'. All callers changed.
607 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
609 * reload1.c (maybe_fix_stack_asms): New static function.
612 * reload.h (compute_use_by_pseudos): Declare.
614 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
615 (something_needs_reloads): Delete variable.
616 (finish_spills): New function.
617 (compute_use_by_pseudos): New function.
619 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
620 Use the reload_insn_chain instead of walking the rtl directly.
622 (reload): Allocate and free spilled_pseudos.
623 Ensure that all calls of spill_hard_reg are followed by a call to
625 Use the insns_need_reload list instead of something_needs_reloads
626 to find out if reload_as_needed must be called.
627 Clear unused_insn_chains at the end.
629 (calculate_needs_all_insns): Lose FIRST parameter. All callers
631 Delete code to keep track of current basic block.
632 Walk reload_insn_chain instead of the rtl structure. Build the
633 insns_need_reload chain.
634 Remember which insns need reloading/elimination by setting the
635 appropriate fields in struct insn_chain, not by putting modes on the
638 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
639 arg INSN. All callers changed.
640 Delete declaration of struct needs.
641 Don't set something_needs_reloads.
642 Record insn needs in the CHAIN argument.
644 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
646 (reload_as_needed): Lose FIRST arg. All callers changed.
647 Walk the reload_insn_chain instead of the rtx structure.
648 Delete code to keep track of current basic block.
649 Rename one of the NEXT variables to OLD_NEXT.
651 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
653 (choose_reload_regs): Likewise.
655 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
658 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
659 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
660 (hard_regs_live, hard_regs_need_restore): Delete variables.
661 (n_regs_saved): Now static.
662 (referenced_regs, this_insn_sets): New variables.
664 (setup_save_areas): Restructure the code a bit.
666 (restore_referenced_regs): Delete function.
667 (mark_referenced_regs): New function, similar to the old
668 restore_referenced_regs, but mark registers in referenced_regs.
670 (clear_reg_live): Delete function.
671 (mark_set_regs): Renamed from set_reg_live. All callers changed.
672 Only mark registers in this_insn_sets.
674 (save_call_clobbered_regs): Rework this function to walk the
675 reload_insn_chain instead of using the list of instructions directly.
676 Delete code to keep track of register lives, compute live regs on the
677 fly from information in the chain.
678 Instead of calling restore_referenced_regs, use mark_referenced_regs,
679 then walk the set it computes and call insert_restore as appropriate.
681 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
683 Restructure the code a bit. Test hard_regs_saved instead of
684 hard_regs_need_restore.
685 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
686 args. All callers changed.
687 Restructure the code a bit. Use TO_SAVE to determine which regs to
688 save instead of more complicated test.
689 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
691 Create a new insn_chain structure for the new insn and place it
694 * rtl.texi: Update documentation to reflect that reload no longer
695 puts modes on the insns.
697 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
699 * function.c (purge_addressof_1): Force the first argument of a
702 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
704 * rtl.h: Delete duplicate prototypes. Add some missing
706 * rtlanal.c: (for_each_rtx): Formatting tweak.
708 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
710 * real.c (emdnorm and etoasc): Disable round to even for c4x target
711 to be compatible with TI compiler.
713 * Makefile.in (USER_H): Add va-c4x.h to definition.
715 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
717 * function.c (purge_addressof_1): Fix typo in inequality: do
718 bitfield optimization for equal mode sizes.
719 * expmed.c (store_bit_field): Don't take subregs of subregs in
720 the movstrict case. Tidy a potential problem in the multi-word case.
721 (extract_bit_field): Likewise.
723 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
725 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
727 Compute max_uid_for_flow by calling get_max_uid after the scan.
728 (find_basic_blocks_1): Don't emit NOPs here.
730 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
732 * alias.c (base_alias_check): Accept new args for the modes of the
733 two references. Use them to determine if an AND can overlap. Update
735 (memrefs_conflict_p): Assume sizes are aligned, and uses them
736 to determine if an AND can overlap.
738 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
740 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
741 check. Add comment to document problems with TARGET_SUN_FPA version
743 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
745 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
747 * Makefile.in (gencheck.o): Depend on gansidecl.h.
749 * c-common.c (print_char_table): Add missing initializers.
750 (scan_char_table): Likewise.
751 (time_char_table): Likewise.
753 * c-decl.c (c_decode_option): Mark parameter `argc' with
755 (declare_parm_level): Mark parameter `definition_flag' with
758 * c-lex.c (readescape): Use `(unsigned)1' in shift.
759 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
762 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
764 (emit_call_1): Mark parameters `fndecl' and `funtype' with
766 (expand_call): Cast result of MIN() to (unsigned int) when
767 comparing against an unsigned value.
769 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
771 (make_definition): Remove unused parameter `op'. All callers
773 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
774 comparing against the result of pointer arithmetic.
776 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
777 when comparing against one.
779 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
780 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
782 (output_die): Move variable `i' into the scope in which it is
783 used. Change its type to `unsigned'.
784 (output_die): Cast the result of `strlen' to (int) when passing it
785 to ASM_OUTPUT_ASCII().
786 (output_pubnames): Likewise.
787 (output_line_info): Likewise.
789 * emit-rtl.c (global_rtl): Add missing initializers.
791 * explow.c (promote_mode): Mark parameter `for_call' with
794 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
795 `unsigned HOST_WIDE_INT' when comparing against one.
796 (synth_mult): Change type of variable `cost' to int.
797 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
799 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
800 when comparing against one.
801 (get_inner_reference): Change variable `alignment' to unsigned.
802 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
803 int) when comparing against one.
804 (expand_builtin_setjmp): Change type of variable `i' to size_t.
806 * fold-const.c (div_and_round_double): Cast BASE to
807 (HOST_WIDE_INT) when comparing against one.
809 * gencheck.c: Include gansidecl.h.
810 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
812 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
813 `tcode' with ATTRIBUTE_UNUSED.
815 * real.c (edivm): Cast constant value to (unsigned long) in
816 expression compared against an unsigned value.
818 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
819 comparing against one.
820 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
821 when comparing against one.
823 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
824 (unsigned int) when comparing against one. Likewise for
826 (smallest_mode_for_size): Likewise.
827 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
828 (restore_storage_status): Likewise.
830 * toplev.c (debug_args): Add missing initializer.
831 (f_options): Spelling correction. Add missing initializers.
832 (documented_lang_options): Likewise.
833 (debug_end_source_file): Mark parameter `lineno' with
836 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
837 `decl' and `type' with ATTRIBUTE_UNUSED.
839 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
840 when comparing against one.
841 (assemble_variable): Mark parameter `top_level' with
843 (assemble_external_libcall): Mark parameter `fun' with
845 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
848 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
850 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
851 Replace use of r5 with use of r19.
853 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
855 * config/v850/v850.c (compute_register_save_size): Allow for the
856 fact that helper functions save all registers, not just those used
859 Replace constant 31 with macro LINK_POINTER_REGNUM.
861 * config/v850/v850.md: Use 'indirect_operand' rather than
862 'memory_operand' for bit test/set/clear patterns.
864 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
866 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
867 * varasm.c (assemble_start_function et al): Don't call
868 ASM_GLOBALIZE_LABEL for weak symbols.
870 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
872 * cse.c (equiv_constant): Check for NULL return from
873 gen_lowpart_if_possible().
875 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
877 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
879 * collect2.c (main): Pass -EL/-EB through to the compiler.
881 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
883 * expr.c (push_block): Handle targets where the stack grows
884 to higher addresses, but args grow to lower addresses and
885 ACCUMULATE_OUTGOING_ARGS is not defined.
887 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
889 * config/v850/v850.c (print_operand): Extend meaning
890 of 'c' operands to support .vtinherit.
892 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
894 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
895 Added ATTRIBUTE_UNUSED to unused function arguments.
896 (rc_reg_operand): New predicate.
897 (c4x_rptb_insert): New function.
898 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
899 (c4x_optimization_options): New function.
901 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
902 (decrement_and_branch_on_count): New pattern.
903 (rptb_top): Modified pattern to work with BCT optimization.
905 * config/c4x/c4x.h (RC_REG): New register class.
906 (rc_reg_operand): Define prototype.
907 (IS_RC_REG): New macro.
908 (IS_RC_OR_PSEUDO_REG): New macro.
909 (IS_RC_OR_PSEUDO_REGNO): New macro.
910 (OPTIMIZATION_OPTIONS): Define.
912 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
914 * collect2.c (extract_init_priority): No priority is 65535.
916 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
918 * Makefile.in (build_tooldir): new variable, same as old
919 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
920 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
921 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
923 * configure.in (gxx_include_dir): set default based on unlibsubdir
924 * Makefile.in (tooldir): ditto
925 (cccp.o, cpplib.o): use unlibsubdir implicitly through
926 gxx_include_dir, includedir and tooldir
927 (protoize.o, unprotoize.o): ditto
929 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
931 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
933 * config/arm/thumb.c (thumb_override_options): Add warning about
934 PIC code not being supported just yet.
936 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
938 * flow.c: Update comment.
939 (notice_stack_pointer_modification): New static function.
940 (record_volatile_insns): Use it.
941 (mark_regs_live_at_end): Mark the stack pointer as alive
942 at the end of the function if current_function_sp_is_unchanging
944 (life_analysis_1): Set current_function_sp_is_unchanging.
945 * function.c: Define it.
946 (init_function_start): Initialize it.
947 * output.h: Declare it.
948 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
949 the stack pointer as alive at the end of the function if
950 current_function_sp_is_unchanging is set.
951 * i386.c (ix86_epilogue): Optimize the restoring
952 of the stack pointer.
954 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
956 * version.c: Bump for snapshot.
958 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
960 * c-pragma.c (handle_pragma_token): If passed a token instead
961 of a tree, use that as the pack value.
963 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
965 * flow.c (find_basic_blocks_1): Fix prototype.
967 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
969 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
970 (struct tree_decl): New fields no_check_memory_usage.
971 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
972 (init_attributes): Register it as a new attribute.
973 (decl_attributes): Set flags on functions given that attribute.
974 * c-decl.c (duplicate_decls): Merge new attribute.
975 * expr.h (current_function_check_memory_usage): Declare new var.
976 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
977 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
978 current_function_check_memory_usage.
979 * function.h: Add field to struct function.
980 * function.c (current_function_check_memory_usage): Define it.
981 (push_function_context_to, pop_function_context_from): Save and
983 (expand_function_start): Set it, based on global flag and function
986 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
987 check non-automatic variables, to permit detection of writes to
988 read-only locations in embedded systems without memory management.
989 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
990 when emitting chkr_set_right_libfunc call, even if the argument is
991 BLKmode or variable-sized; don't abort.
993 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
994 symbols in Pmode, not VOIDmode.
996 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
998 * cppexp.c: When forcing unsigned comparisons, cast both sides
1001 * cpphash.h: Move static declaration of hashtab[]...
1002 * cpphash.c: ...here.
1004 * cpplib.c: Cast difference of two pointers to size_t before
1005 comparing it to size_t. Cast signed to unsigned
1006 before comparing to size_t. (FIXME: struct argdata should use
1007 unsigned buffer sizes.)
1008 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1009 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1010 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1011 size_t before comparison.
1013 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1015 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1016 (find_basic_blocks_1): Similarly.
1017 * output.h (find_basic_blocks): Fix prototype.
1018 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1019 find_basic_blocks anymore.
1021 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1023 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1024 (sbitmap_free, sbitmap_vector_free): New macros.
1025 * output.h (rtl_dump_file): Declare.
1027 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1029 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1031 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1033 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1035 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1036 (divide): Remove unused variable `tmp'.
1037 (si_to_float): Cast numeric constant to (SItype) before comparing
1040 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1042 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1043 * gcc.c (add_preprocessor_option): Correct typo when allocating
1044 memory, sizeof() argument had one too many `*'.
1045 (add_assembler_option): Likewise.
1046 (add_linker_option): Likewise.
1047 * gcov.c (output_data): Likewise.
1048 * local-alloc.c (memref_used_between_p): Likewise.
1049 (update_equiv_regs): Likewise.
1050 * loop.c (strength_reduce): Likewise.
1051 * reg-stack.c (record_asm_reg_life): Likewise.
1052 (subst_asm_stack_reg): Likewise.
1053 * reorg.c (dbr_schedule): Likewise.
1055 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1057 * flow.c (life_analysis_1): Break out some functions.
1058 (find_basic_blocks_1): Likewise. Also move some variables out and
1060 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1061 new static var nonlocal_label_list with it.
1062 (active_eh_region, nested_eh_region, label_value_list,
1063 nonlocal_label_list): New static variables.
1064 (make_edges, delete_unreachable_blocks, delete_block): New static
1065 functions, broken out of find_basic_blocks_1.
1066 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1067 noop_move_p): New static functions, broken out of life_analysis_1.
1069 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1071 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1072 Take extra care for op0 now possibly being a subreg.
1073 (extract_bit_field): Likewise.
1074 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1075 the reg to memory if there is no equal sized integral mode.
1076 * stor-layout.c (int_mode_for_mode): New function.
1077 * machmode.h: Prototype it.
1079 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1081 * global.c (build_insn_chain): Verify no real insns exist past the
1082 end of the last basic block, then exit the loop.
1084 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1086 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1088 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1090 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1092 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1094 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1096 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1098 * flow.c (find_basic_blocks): Correctly determine when a call
1099 is within an exception region.
1101 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1103 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1105 * cpplib.h: Protect from multiple inclusions.
1106 * cpplib.c: Fix minor formatting problems.
1108 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1110 * jump.c (jump_optimize): Revert accidental patch.
1112 * Makefile.in (cpplib.o): Use unlibsubdir.
1114 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1116 * loop.c (get_condition): Allow combine when either compare is
1119 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1121 * version.c: Bump for snapshot.
1123 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1125 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1126 (init_lex): Initialize ridpointers[RID_BYREF].
1127 * c-lex.h (enum rid): Add RID_BYREF.
1128 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1129 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1130 (encode_type_qualifiers): Similarly
1131 * c-gperf.h: Rebuilt.
1133 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1135 * c-common.c (type_for_mode): Only return TItype nodes when
1136 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1137 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1138 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1139 (init_decl_processing): Only create TItype nodes when
1140 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1141 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1142 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1144 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1146 * stmt.c (n_occurrences): New static function.
1147 (expand_asm_operands): Verify that all constrains match in the
1148 number of alternatives.
1149 Verify that '+' or '=' are at the beginning of an output constraint.
1150 Don't allow '&' for input operands.
1151 Verify that '%' isn't written for the last operand.
1152 * reload.c (find_reloads): Abort if an asm is found with invalid
1153 constraints; all possible problems ought to be checked for earlier.
1155 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1157 * flags.h (flag_branch_on_count_reg): Always declare
1158 * toplev.c (flag_branch_on_count_reg): Likewise.
1159 * toplev.c: Fix typos.
1161 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1164 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1166 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1168 (find_basic_blocks_1): Add a nop to the end of a basic block when
1169 a trailing call insn does not have abnormal control flow.
1170 * gcse.c (pre_transpout): New variable.
1171 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1172 (compute_pre_transpout): Calculate it.
1173 (compute_pre_ppinout): Use it to eliminate impossible placements
1174 due to abnormal control flow through calls.
1175 (compute_pre_data): Call compute_pre_transpout.
1177 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1179 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1181 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1183 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1184 and matching define_insns): Tack on a `use' of the table label, so
1185 flow analysis will recognize a tablejump.
1187 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1189 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1190 always end basic blocks for abnormal edge reasons.
1192 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1194 * config/i386/i386.h: Remove definition of
1195 HANDLE_PRAGMA_PACK_PUSH_POP.
1197 * config/i386/go32.h: Add definition of
1198 HANDLE_PRAGMA_PACK_PUSH_POP.
1200 * config/i386/win32.h: Add definition of
1201 HANDLE_PRAGMA_PACK_PUSH_POP.
1203 * config/i386/cygwin32.h: Add definition of
1204 HANDLE_PRAGMA_PACK_PUSH_POP.
1206 * c-pragma.c (insert_pack_attributes): Do not insert
1207 attributes unless #pragma pack(push,<n>) is in effect.
1209 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1211 * expr.c (emit_group_store): Handle a PARALLEL destination.
1213 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1215 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1216 the new insns before the argument regs are loaded.
1218 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1220 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1221 (c-parse.gperf): Update comments describing invocation flags.
1222 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1224 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1226 * reload1.c (reload): Call free before clobbering the memory
1227 locations or constants pointers.
1229 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1231 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1232 for efficiency by checking whether we need to modify the current
1233 stack permission at all.
1234 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1235 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1236 __enable_execute_stack libcall here too if
1237 TRANSFER_FROM_TRAMPOLINE is defined.
1238 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
1241 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
1243 * Makefile.in (DRIVER_DEFINES): Remove last change.
1245 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1247 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
1248 insns we're going to copy.
1249 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
1251 * loop.c (count_one_set): Add prototype.
1253 * caller-save.c (restore_referenced_regs): Lose mode argument.
1254 (insert_save): Lose mode argument.
1255 (insert_restore): Lose mode argument.
1256 (insert_one_insn): Lose mode argument.
1257 (save_call_clobbered_regs): Lose mode argument.
1258 (setup_save_areas): Take no argument and return void. All callers
1260 Don't verify validity of memory addresses.
1261 * reload.h (setup_save_ares): Adjust prototype.
1262 (save_call_clobbered_regs): Likewise.
1263 * reload1.c (delete_caller_save_insns): New function.
1264 (caller_save_spill_class): Delete variable.
1265 (caller_save_group_size): Delete variable.
1266 (reload): Call setup_save_areas and save_call_clobbered_regs
1267 in the main loop, before calling calculate_needs_all_insns.
1268 Don't call save_call_clobbered_regs after the loop.
1269 Call delete_caller_save_insns at the end of an iteration if
1271 Delete code to manage caller_save_spill_class.
1272 Emit the final note before setting reload_first_uid.
1273 Simplify test that determines whether reload_as_needed gets run.
1274 (calculate_needs): Delete code to manage caller_save_spill_class.
1276 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
1278 * collect2.c (main): Initialize ld_file_name.
1280 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
1282 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
1283 check for flag_function_sections.
1285 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1287 * cse.c (insert_regs): Fix bug in Sep 24 change.
1289 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1291 * flags.h (flag_dump_unnumbered): Declare.
1292 * toplev.c (flag_dump_unnumbered): Don't declare.
1293 * print-rtl.c (flags.h): Include.
1294 (print_rtl_single): Add return value.
1295 * rtl.h (print_rtl_single): Update declaration.
1296 * flow.c (flag_dump_unnumbered): Don't declare.
1297 (print_rtl_with_bb): Use return value of print_rtl_single.
1299 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1301 * loop.c (count_one_set): New static function, broken out of
1303 (count_loop_regs_set): Call it.
1304 * global.c (mark_reg_store): Handle clobbers here by not calling
1306 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
1307 is in fact a clobber.
1308 * integrate.c (process_reg_param): New function, broken out of
1309 expand_inline_function.
1310 (expand_inline_function): Call it.
1313 * i386.md (addsidi3_1): Delete unused variable temp.
1314 (addsidi3_2): Likewise.
1315 (clstrstrsi): Delete unused variable addr1.
1317 * rtl.h: Don't declare any functions also declared in recog.h.
1319 * Makefile.in (stupid.o): Update dependencies.
1320 (global.o): Likewise.
1322 * global.c: Include reload.h
1323 (reg_becomes_live): New function.
1324 (reg_dies): New function.
1325 (build_insn_chain): New function.
1326 (global_alloc): Call build_insn_chain before calling reload.
1328 * reload.h (struct needs): New structure definition.
1329 (struct insn_chain): Likewise.
1330 (reload_insn_chain): Declare variable.
1331 (new_insn_chain): Declare function.
1334 * reload1.c (reload_startobj): New variable.
1335 (reload_insn_chain): New variable.
1336 (unused_insn_chains): New variable.
1337 (new_insn_chain): New function.
1338 (init_reload): Initialize reload_startobj, not reload_firstobj.
1339 (reload): Initialize reload_firstobj.
1340 Before returning, free everything on the reload_obstack.
1342 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
1343 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
1344 current_chain): New variables.
1345 (reg_where_born): Delete variable.
1346 (REG_WHERE_BORN): New macro.
1347 (find_clobbered_regs): New function.
1348 (stupid_life_analysis): Don't allocate/free reg_where_born.
1349 Allocate and free reg_where_born_exact, reg_where_born_clobber,
1350 reg_where_dead_chain.
1351 Use REG_WHERE_BORN instead of reg_where_born.
1352 While processing the insns, build the reload_insn_chain with
1353 information about register lifetimes.
1354 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
1355 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
1357 Compute and information about birth and death of pseudo registers in
1358 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
1359 Delete code to set elements of reg_where_born.
1361 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1363 * tree.def (GOTO_EXPR): Modified documentation.
1364 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
1367 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
1369 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
1370 loop_final_value, loop_comparison_code): No longer static.
1371 (unroll_loop): Delete loop_start_value update.
1372 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
1373 loop_final_value, loop_comparison_code): Extern.
1374 (loop_start_value): Delete extern.
1375 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
1376 loop_comparison_value, loop_comparison_code): Delete.
1377 (loop_optimize): Remove initialization for deleted variables.
1378 (strength_reduce): Delete analyze_loop_iterations call. Only call
1379 insert_bct if flag_branch_count_on_reg set.
1380 (analyze_loop_iterations): Delete.
1381 (insert_bct): Remove iteration count calculation. Move checks for
1382 viable BCT optimization to here. Obtain iteration count from
1383 loop_iterations and correct for unrolling. Check for enough
1384 iteration to be beneficial. Comment out runtime iteration count
1386 (insert_bct): Print iteration count in dump file. Remove
1387 loop_var_mode and use word_mode directly.
1389 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
1390 * rs6000.c (rs6000_override_options): Use it.
1391 (optimization_options): Enable use of flag_branch_on_count_reg.
1392 * rs6000.md (define_function_unit): Describe 604e.
1394 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1396 * loop.c (move_movables): Corrected threshold calculation for
1397 moved_once registers.
1399 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1401 * loop.c (combine_givs_p): Fix test for identical givs.
1403 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
1405 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
1406 call abort if the function is already defined.
1408 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
1410 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
1411 truncation is not a no-op.
1413 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
1415 * version.c: Bump for snapshot.
1417 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
1419 * version.c: Bump for snapshot.
1421 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
1423 * expmed.c (expand_divmod): Don't widen for computing remainder
1424 if we seem to have a divmod pattern for needed mode.
1426 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1428 * cpplib.c (macroexpand): Correct off-by-one error in handling
1431 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
1433 * combine.c (expand_field_assignment): Don't do bitwise operations
1434 on MODE_FLOAT; pun to MODE_INT if possible.
1436 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
1437 scott snyder <snyder@d0sgif.fnal.gov>
1439 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
1440 linker. Recognize mangled names in quotes.
1442 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1444 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
1445 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
1446 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
1447 (lshrsi3_extend, lshrsi3_extend2): Ditto.
1449 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1451 * function.c (purge_addressof_1): If trying to take a sub-word
1452 integral piece of a floating point mode, put it on the stack.
1454 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
1456 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
1458 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
1460 * PROJECTS: Remove template friends.
1462 * collect2.c (sort_ids): Remove unused variable.
1464 * tm.texi (MATH_LIBRARY): Document.
1465 (NEED_MATH_LIBRARY): Remove.
1467 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
1468 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
1470 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
1472 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
1473 last_end to 0x7fffffff.
1475 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1477 * function.c (purge_addressof_1): Do not perform endianness
1478 corrections on bitpos, who we call will do it for us.
1480 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
1482 * h8300.c (WORD_REG_USED): Fix typo.
1483 (initial_offset): Use WORD_REG_USED.
1485 * h8300.c (handle_pragma): Fix typo.
1487 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1489 * caller-save.c (insert_save_restore): Break this function up
1490 into new functions insert_restore, insert_save and insert_one_insn.
1491 All callers changed.
1492 (insert_restore): New function, mostly broken out of
1493 insert_save_restore.
1494 (insert_save): Likewise.
1495 (insert_one_insn): Likewise.
1496 (restore_referenced_regs): New argument BLOCK. All callers changed.
1497 (save_call_clobbered_regs): Don't keep track of basic block boundaries
1498 in this function, do it in insert_one_insn instead.
1500 * reload1.c (reload): Break out some more pieces into separate
1502 (dump_needs): New function, broken out of reload.
1503 (set_initial_elim_offsets): Likewise.
1504 (init_elim_table): Likewise.
1505 (update_eliminables): Likewise.
1507 * global.c (global_alloc): Delete code to manage the scratch_list.
1508 * local-alloc.c (qty_scratch_rtx): Delete.
1509 (scratch_block): Delete.
1510 (scratch_list): Delete.
1511 (scratch_list_length): Delete.
1512 (scratch_index): Delete.
1513 (alloc_qty_for_scratch): Delete.
1514 (local-alloc): Update initialization of max_qty.
1515 Delete code to manage the scratch list.
1516 Delete code to allocate/initialize qty_scratch_rtx.
1517 (block_alloc): Don't allocate quantities for scratches.
1518 Delete code to manage the scratch list.
1519 * regs.h (scratch_list): Delete declaration.
1520 (scratch_block): Delete declaration.
1521 (scratch_list_length): Delete declaration.
1522 * reload1.c (reload): Delete code to manage the scratch list.
1523 (spill_hard_reg): Likewise.
1524 (mark_scratch_live): Delete.
1526 * recog.c (alter_subreg): Delete declaration.
1528 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1530 * Makefile.in (cccp.o): Fix typo in last patch.
1532 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1534 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
1535 * config/sh/lib1funcs.asm (___set_fpscr): Add.
1537 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
1539 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
1540 NULL_RTX as an argument.
1542 * Makefile.in (unlibsubdir): Define.
1543 (DRIVER_DEFINES): Use unlibsubdir.
1544 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
1545 (stmp-fixinc): Similarly.
1547 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1549 * regmove.c (regmove_optimize): Add variable old_max_uid.
1550 At the end of the function, update basic_block_end.
1552 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1554 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
1555 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
1558 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
1560 * config/arm/arm.c: Improve interworking support.
1562 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1564 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
1565 copied from reload_out[r] .
1567 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
1569 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
1570 with more than three size ranges.
1572 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
1574 * rtl.c (mode_name): Add a null string at the end of the array.
1575 (mode_wider_mode): Change type to unsigned char.
1576 (mode_mask_array): New variable.
1577 (init_rtl): Update for mode_wider_mode type change.
1579 * rtl.h (mode_wider_mode): Change type to unsigned char.
1580 (mode_mask_array): Declare.
1581 (GET_MODE_MASK): Use mode_mask_array.
1583 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
1585 * calls.c (expand_call) : Encapsulate code into
1586 copy_blkmode_from_reg.
1587 * expr.c (copy_blkmode_from_reg): New function.
1588 * expr.h (copy_blkmode_from_reg): New function.
1589 * integrate.c (function_cannot_inline_p): We can inline
1591 (expand_inline_function): Use copy_blkmode_from_reg
1592 if needed. Avoid creating BLKmode REGs.
1593 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
1596 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
1598 * config/v850/v850.c: Add function prototypes.
1599 Add support for v850 special data areas.
1601 * config/v850/v850.h: Add support for v850 special data areas.
1603 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
1604 HANDLE_PRAGMA_PACK_PUSH_POP.
1605 (push_alignment): New function: Cache an alignment requested
1606 by a #pragma pack(push,<n>).
1607 (pop_alignment): New function: Pop an alignment from the
1609 (insert_pack_attributes): New function: Generate __packed__
1610 and __aligned__ attributes for new decls whilst a #pragma pack
1612 (add_weak): New function: Cache a #pragma weak directive.
1613 (handle_pragma_token): Document calling conventions. Add
1614 support for #pragma pack(push,<n>) and #pragma pack (pop).
1616 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
1617 are defined enable HANDLE_PRAGMA_PACK.
1618 Move 'struct weak_syms' here (from varasm.c).
1619 Add pragma states for push and pop pragmas.
1621 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
1624 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
1625 HANDLE_GENERIC_PRAGMAS.
1627 * varasm.c: Move definition of 'struct weak_syms' into
1629 (handle_pragma_weak): Deleted.
1631 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1633 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
1635 * c-decl.c (start_function): Add invocation of
1636 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
1638 * tm.texi: Remove description of non-existant macro
1639 SET_DEFAULT_SECTION_NAME.
1641 (HANDLE_SYSV_PRAGMA): Document.
1642 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
1644 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
1646 * config.sub: Recognize i[34567]86-pc-udk as new target.
1647 * configure.in: Likewise.
1648 * config/i386/t-udk: New file.
1649 * config/i386/udk.h: New file.
1651 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
1653 * reorg.c (check_annul_list_true_false): Remove unused variables.
1654 (steal_delay_list_from_target): Add missing "used_annul" variable.
1655 (try_merge_delay_insns): Close out half formed comment.
1657 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1659 * cpplib.c (macroexpand): If arg->raw_before or
1660 arg->raw_after, remove any no-reexpansion escape at the
1661 beginning of the pasted token. Correct handling of whitespace
1662 markers and no-reexpand markers at the end if arg->raw_after.
1664 * toplev.c (documented_lang_options): Recognize -include,
1665 -imacros, -iwithprefix, -iwithprefixbefore.
1666 * cpplib.c (cpp_start_read): Process -imacros and -include
1667 switches at the same time and in command-line order, after
1668 initializing the dependency-output code. Emit properly nested
1669 #line directives for them. Emit a #line for the main file
1670 before processing these switches, and don't do it again
1673 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
1675 * function.c (purge_addressof_1): Use bitfield manipulation
1676 routines to handle mem mode < reg mode.
1678 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1680 * reorg.c (try_merge_delay_insns): Account for resources referenced
1681 in each instruction in INSN's delay list before trying to eliminate
1682 useless instructions. Similarly when looking at a trial insn's delay
1685 * reorg.c (check_annul_list_true_false): New function.
1686 (steal_delay_list_from_{target,fallthrough}): Call it and also
1687 refine tests for when we may annul if already filled a slot.
1688 (fill_slots_from_thread): Likewise.
1689 (delete_from_delay_slot): Return newly-created thread.
1690 (try_merge_delay_isns): Use its new return value.
1692 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
1694 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
1695 used to compute a giv or as some other non-counting use.
1697 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1699 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1700 * local-alloc.c (find_free_reg): Use it.
1701 * global.c (find_reg): Likewise.
1702 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
1704 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
1705 * caller-save.c (init_caller_save): Use it.
1706 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
1708 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1710 * configure.in: Add --enable-cpplib option which uses cpplib
1711 for cpp, but doesn't link cpplib into cc1. Make help text
1712 capitalization consistent.
1713 * configure: Rebuilt.
1715 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
1717 * function.c (gen_mem_addressof): If the address REG is
1718 REG_USERVAR_P make the new REG be so also.
1719 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
1720 in an attempt to clarify slightly.
1722 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
1724 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
1725 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
1727 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
1729 * toplev.c: Fix last patch.
1731 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
1733 * loop.c (get_condition): Fix typo in May 9 change.
1735 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1737 * invoke.texi (-fexceptions): Merge 2 different descriptions.
1739 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1741 * toplev.c (documented_lang_options): Spelling corrections.
1743 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1745 * configure.in: new flags --with-ld and --with-as, equivalent
1746 to setting LD and AS environment variables. Test whether
1747 specified arguments are GNU commands, and report them with
1748 checking messages. Use the specified AS for configure
1751 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
1753 * gcc.c (find_a_file): when looking for `as' and `ld', return
1754 the DEFAULT program if it exists
1755 * collect2.c (main): use DEFAULT_LINKER if it exists
1757 * gcc.c (find_a_file): the test for existence of a full
1758 pathname was reversed
1760 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
1762 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
1763 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
1765 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
1767 * tree.h (TYPE_BINFO): Document.
1769 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
1771 * i386-coff.h (dbxcoff.h): Added.
1773 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
1775 * toplev.c: fix bad patch around flag_data_sections.
1777 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
1779 * reload1.c (reload): Use reload_address_index_reg_class and
1780 reload_address_base_reg_class when setting
1781 caller_save_spill_class. (Patch generated by Jim Wilson:
1784 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
1786 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
1787 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
1788 * expr.c (store_field): Add alias_set parameter. Set the
1789 MEM_ALIAS_SET accordingly, if the target is a MEM.
1790 (expand_assignment): Use it.
1791 (store_constructor_field): Pass 0.
1792 (expand_expr): Likewise.
1794 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
1796 * flags.h: Add flag_data_sections.
1797 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
1798 (compile_file): Error if flag_data_sections not supported.
1799 * varasm.c (assemble_variable): Handle flag_data_sections.
1800 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
1801 * config/mips/elf.h: Likewise.
1802 * config/mips/elf64.h: Likewise.
1803 * invoke.texi: Describe -fdata-sections.
1805 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
1807 * invoke.texi (-ffloat-store): Clarify that this option
1808 does not affect intermediate results -- only variables.
1810 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
1812 * cpp.texi: Update for Fortran usage from Craig.
1814 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1816 * rs6000.c (function_arg_boundary): Revert accidental change on
1819 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
1821 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
1822 (output_mi_thunk): Declare.
1824 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
1825 (output_function_profiler): Use r12 for temp, instead of r11 so
1826 that we preserve the static chain register.
1828 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
1830 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
1832 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1834 * sh.c (gen_shl_sext): Fix case 5.
1836 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1838 * reload1.c (reload_combine): Re-add line that got accidentally lost.
1840 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1842 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
1843 accessing variables until they are initialized via va_arg().
1845 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1847 * reload1.c (reload_combine): Initialize set before using.
1849 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
1851 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
1854 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
1856 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
1857 operand3 with mask before using it. Patch provided by Jim Wilson.
1859 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1861 * config/sparc/sparc.c (function_value): Perform the equivalent of
1862 PROMOTE_MODE for ARCH64.
1863 (eligible_for_epilogue_delay): Allow DImode operations in delay
1864 slot of a return for ARCH64.
1866 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1868 * sh.md (sqrtsf2): Fix mode of sqrt.
1870 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1872 * reload1.c (choose_reload_regs): Also try inheritance when
1873 reload_in is a stack slot of a pseudo, even if we already got a
1876 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1878 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
1879 (reload_cse_regs): New function body: call reload_cse_regs_1,
1880 reload_combine, reload_cse_move2add.
1881 When doing expensive_optimizations, call reload_cse_regs_1 a
1882 second time after reload_cse_move2add.
1883 (reload_combine, reload_combine_note_store): New functions.
1884 (reload_combine_note_use): New function.
1885 (reload_cse_move2add, move2add_note_store): New functions.
1887 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1889 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
1890 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
1892 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
1893 more than 3 such reloads.
1895 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
1896 RELOAD_FOR_X_ADDR_ADDR reload.
1898 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1900 * expr.c (store_constructor): When initializing a field that is smaller
1901 than a word, at the start of a word, try to widen it to a full word.
1903 * cse.c (cse_insn): When we are about to change a register,
1904 remove any invalid references to it.
1906 (remove_invalid_subreg_refs): New function.
1907 (mention_regs): Special treatment for SUBREGs.
1908 (insert_regs): Don't strip SUBREG for call to mention_regs.
1909 Check if reg_tick needs to be bumped up before that call.
1910 (lookup_as_function): Try to match known word_mode constants when
1911 looking for a norrower constant.
1912 (canon_hash): Special treatment for SUBREGs.
1914 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1916 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
1917 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
1918 defined, emit libcall to __enable_execute_stack. Also fix opcodes
1919 and offsets in actual stack trampoline code so they match the
1920 commentary and actually work.
1922 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1924 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
1926 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
1927 tmake_file. Set extra_parts to needed crt objects.
1928 * configure: Rebuilt.
1929 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
1930 (TARGET_DEFAULT): Set if default is v9 or ultra.
1931 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
1932 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
1933 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
1934 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
1935 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
1936 (TARGET_VERSION): Define.
1937 (MULTILIB_DEFAULT): Define.
1938 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
1939 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
1940 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
1942 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
1943 * config/sparc/sparc.c (sparc_override_options): If arch and
1944 pointer size disagree, emit diagnostic and fix it up. If
1945 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
1946 V8PLUS in 64-bit mode.
1947 * config/sparc/t-linux64: New file.
1948 * config/sparc/t-sol2-64: New file.
1949 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
1950 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
1951 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
1952 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
1953 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
1954 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
1956 (STARTFILE_SPEC): Set approriately based upon those.
1957 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
1958 disposition of DEFAULT_ARCH32_P.
1959 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
1960 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
1961 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
1962 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
1963 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
1965 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
1967 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
1969 * rtl.h (init_virtual_regs): New function.
1970 * emit-rtl.c (init_virtual_regs): Define.
1971 (insn_emit): Use it.
1972 * integrate.c (save_for_inline_copying): Likewise.
1974 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
1976 * config/arm/thumb.h: The following patches were made by Jim Wilson:
1977 (enum reg_class): Add NONARG_LO_REGS support.
1978 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
1979 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
1980 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
1981 completes. Re-enable HImode REG+OFFSET addresses.
1982 (LEGITIMIZE_RELOAD_ADDRESS): Define.
1984 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
1986 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
1988 * alpha.c (get_aligned_mem): Revert Sep 20 change.
1989 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
1990 (alpha_align_insns): Properly calculate initial offset wrt max_align.
1992 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
1994 * arm.c (find_barrier): Revert change of Apr 23. Handle table
1995 jumps as a single entity, taking into account the size of the
1998 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2000 * tree.def (SWITCH_EXPR): New tree node definition.
2002 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2004 * version.c: Bump for snapshot.
2006 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2008 * version.c: Bump for snapshot.
2010 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2012 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2015 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2017 * Revert this patch.
2018 * reload.c (find_reloads): Do not replace a pseudo with
2019 (MEM (reg_equiv_addr)) in the initializing insn for the
2022 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2024 * final.c (final_scan_insn): Disable tracking CC across branches.
2026 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2028 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2029 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2030 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2031 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2032 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2034 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2036 * toplev.c (rest_of_compilation): Skip compiling anything with
2037 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2039 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2041 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2042 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2043 use in_libcall_block.
2044 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2045 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2048 Mon Sep 21 14:02:23 1998
2050 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2051 typo in no-fancy-math-387 description.
2053 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2055 * version.c: Bump for snapshot.
2057 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2059 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2061 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2063 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2064 documented in install.texi.
2065 (TARGET_OPTIONS) Likewise.
2067 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2069 * version.c: Bump for snapshot.
2071 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2073 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2074 * cccp.c (main): Likewise.
2076 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2077 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2080 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2082 * Makefile.in (LIBS): Link in libiberty.a.
2083 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2085 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2087 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2088 it to update bb boundaries. Update caller.
2089 * function.c (reposition_prologue_and_epilogue_notes): Update
2090 bb boundaries wrt the moved note.
2092 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2094 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2096 * configure: Regenerate.
2098 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2100 * alpha.c (alpha_sr_alias_set): New variable.
2101 (override_options): Set it.
2102 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2103 (mode_mask_operand): Fix signed-unsigned comparision warning.
2104 (alpha_expand_block_move): Likewise.
2105 (print_operand): Likewise.
2106 (get_aligned_mem): Use change_address.
2107 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2108 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2109 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2110 (alpha_align_insns): Remade from old alphaev5_align_insns
2111 to handle multiple processors.
2112 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2113 * output.h (label_to_alignment): Prototype.
2115 * tree.c (new_alias_set): New function.
2116 * tree.h (new_alias_set): Declare it.
2117 * c-common.c (c_get_alias_set): Use it.
2119 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2121 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2122 to an ABS expr, convert an unsigned input to signed.
2124 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2126 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2128 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2130 * configure.in: Add support for c4x targets.
2131 * configure: Rebuilt.
2133 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2135 * combine.c (distribute_notes): If an insn is a cc0 user, only
2136 delete it if we can also delete the cc0 setter.
2138 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2140 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2141 (invert_truthvalue): Enable truthvalue inversion for
2142 floating-point operands if -ffast-math.
2144 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2146 * configure.in: Disable collect2 for nextstep. Instead use
2148 * configure: Rebuilt.
2149 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2150 (ENDFILE_SPEC): Define.
2151 (OBJECT_FORMAT_MACHO): Define.
2152 (EH_FRAME_SECTION_ASM_OP): Define.
2153 * crtstuff.c: Handle MACHO.
2155 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2157 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2159 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2161 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2162 (_fpadd_parts): Get sign right for 0.
2164 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2166 * ginclude/varargs.h: Add support for C4x target.
2167 * ginclude/stdargs.h: Likewise.
2169 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2171 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2172 (alpha_emit_set_long_const): Rewrite to be callable from reload
2174 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2175 * alpha.md (movdi): Likewise.
2177 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2179 * arm.c (add_constant): New parameter address_only, change caller.
2180 Set it non-zero if taking the address of an item in the pool.
2181 (arm_reorg): Handle cases where we need the address of an item in
2184 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2186 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2187 memory addresses that are not in standard canonical form.
2189 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2191 * README.C4X: New file with information about the c4x ports.
2192 * ginclude/va-c4x.h: New file for c4x varargs support.
2193 * config/c4x: New directory with c4x port files.
2195 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2197 * reload.c (find_reloads): Do not replace a pseudo with
2198 (MEM (reg_equiv_addr)) in the initializing insn for the
2201 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2203 * toplev.c (rest_of_compilation): Set bct_p on second call to
2205 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2207 (strength_reduce): Only call analyze_loop_iterations and
2208 insert_bct if bct_p set.
2209 (check_dbra_loop): Fix typo.
2210 (insert_bct): Use word_mode instead of SImode.
2211 (instrument_loop_bct): Likewise. Do not delete iteration count
2212 condition code generation insn. Initialize iteration count before
2214 * rtl.h (loop_optimize): Update prototype.
2216 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2217 not doubleword aligned.
2219 * rs6000.c (optimization_options): New function.
2220 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2221 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2222 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2223 first; cr1 can be used for FP record condition insns.
2225 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2227 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2230 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2233 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2235 (block_move_call): New function: Call a library routine to copy a
2237 (m32r_expand_block_move): New function: Expand a "movstrsi"
2238 pattern into a sequence of insns.
2239 (m32r_output_block_move): New function: Expand a
2240 "movstrsi_internal" pattern into a sequence of assembler opcodes.
2241 (m32r_block_immediate_operand): New function: Return true if the
2242 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
2244 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2246 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
2248 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
2250 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2252 * regmove.c (copy_src_to_dest): Check that modes match.
2254 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
2256 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
2258 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
2260 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
2261 narrower than FLOAT_REGS.
2263 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2265 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
2267 * Makefile.in (old_gxx_include_dir): removed
2269 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
2271 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
2274 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
2275 (sh_handle_pragma): Change function arguments to match new
2276 specification for HANDLE_PRAGMA.
2278 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2280 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
2282 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
2283 When generating output, initialize missing struct member to zero.
2285 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2287 * regmove.c (copy_src_to_dest): Don't copy if that requires
2288 (a) new register(s).
2290 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2292 * global.c (reg_allocno): Now static.
2293 * reload1.c (reg_allocno): Delete declaration.
2294 (order_regs_for_reload): Take no arguments. Don't treat regs
2295 allocated by global differently than those allocated by local-alloc.
2297 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2299 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
2300 condition, fix format strings.
2301 (output_function_epilogue): Likewise.
2303 * m68k/m68k.c: Don't include <stdlib.h> directly.
2305 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
2307 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
2308 mem_first_set, mem_last_set; because 0 can be a CUID.
2309 (oprs_unchanged_p): Use new definition.
2310 (record_last_reg_set_info): Likewise.
2311 (record_last_mem_set_info): Likewise.
2312 (compute_hash_table): Likewise.
2314 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
2316 * rs6000.c (output_epilogue): Handle Chill.
2318 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2319 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2321 * combine.c (make_extraction): If no mode is specified for
2322 an operand of insv, extv, or extzv, default it to word_mode.
2323 (simplify_comparison): Similarly.
2324 * expmed.c (store_bit_field): Similarly.
2325 (extract_bit_field): Similarly.
2326 * function.c (fixup_var_regs_1): Similarly.
2327 * recog.c (validate_replace_rtx_1): Similarly.
2328 * mips.md (extv, extzv, insv expanders): Default modes for most
2329 operands. Handle TARGET_64BIT.
2330 (movdi_uld, movdi_usd): New patterns.
2332 * pa.c (emit_move_sequence): Do not replace a pseudo with its
2333 equivalent memory location unless we have been provided a scratch
2334 register. Similarly do not call find_replacement unless a
2335 scratch register has been provided.
2337 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2339 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
2342 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
2344 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
2345 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
2346 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
2347 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
2348 * c-decl.c (init_decl_processing): Update accordingly.
2349 * expr.c (expand_builtin): Likewise.
2351 * rtl.h (global_rtl): Add cfa entry.
2352 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
2353 (LAST_VIRTUAL_REGISTER): Update.
2354 * emit-rtl.c (global_rtl): Add cfa entry.
2355 (init_emit): Initialize it.
2356 * function.c (cfa_offset): New.
2357 (instantiate_virtual_regs): Initialize it.
2358 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
2359 (expand_function_end): Call expand_eh_return.
2360 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
2362 * except.c (current_function_eh_stub_label): Kill.
2363 (current_function_eh_old_stub_label): Likwise; update all references.
2364 (expand_builtin_set_return_addr_reg): Kill.
2365 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
2366 (expand_builtin_set_eh_regs): Kill.
2367 (eh_regs): Produce a third reg for the actual handler address.
2368 (eh_return_context, eh_return_stack_adjust): New.
2369 (eh_return_handler, eh_return_stub_label): New.
2370 (init_eh_for_function): Initialize them.
2371 (expand_builtin_eh_return, expand_eh_return): New.
2372 * except.h: Update prototypes.
2373 * flow.c (find_basic_blocks_1): Update references to the stub label.
2374 * function.h (struct function): Kill stub label elements.
2376 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
2377 register number is one that would be in the previous window.
2378 Provide a dummy definition for non-windowed targets.
2379 (get_reg_addr): New function.
2380 (get_reg, put_reg, copy_reg): Use it.
2381 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
2382 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
2384 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
2385 (alpha_init_expanders): Initialize it.
2386 (alpha_expand_epilogue): Use it.
2387 * alpha.h: Declare it.
2388 * alpha.md (eh_epilogue): New.
2390 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
2391 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
2393 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
2395 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
2398 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2400 * except.h (struct eh_entry): Add false_label field.
2401 (end_catch_handler): Add prototype.
2402 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
2403 (start_catch_handler): When using old style exceptions, issue
2404 runtime typematch code before continuing with the handler.
2405 (end_catch_handler): New function, generates label after handler
2406 if needed by older style exceptions.
2407 (expand_start_all_catch): No need to check for new style exceptions.
2408 (output_exception_table_entry): Only output the first handler label
2409 for old style exceptions.
2410 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
2411 mechanism into one function, if a runtime matcher is provided.
2413 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2415 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
2417 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
2419 * integrate.c (copy_decl_list): Fix typo.
2421 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2423 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
2426 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
2428 * version.c: Bump for snapshot.
2430 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
2432 * version.c: Bump for snapshot.
2434 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
2436 * version.c: Bump for snapshot.
2438 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2440 * invoke.texi (C Dialect Options): Put back missing @end itemize.
2442 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2444 * configure.in: remove usage of `!' to negate the result of a
2445 command; some common shells do not support it
2447 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2449 * configure.in: in sparc9-sol2 config, use 'if test' not
2451 * configure: Rebuilt.
2453 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
2455 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
2456 (CPP_CPU_DEFAULT_SPEC): Likewise.
2457 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
2458 for arch64 libfuncs.
2460 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
2463 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2465 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
2467 * collect2.c: Don't declare `sys_siglist' here.
2468 (my_strsignal): Prototype and define new function. Use it in
2469 place of `sys_siglist' hacks.
2471 * mips_tfile.c: Likewise.
2473 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
2474 (GCC_NEED_DECLARATIONS): Likewise.
2476 * system.h (strsignal): Prototype it, if necessary.
2477 (sys_siglist): Declare it, if necessary.
2479 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2481 * loop.c (move_movables): While removing insn sequences, preserve
2482 the next pointer of the most recently deleted insn when we skip
2485 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
2487 * objc/config-lang.in: Do not output the name of the selected
2488 thread file when building the front-end. The Makefile for the
2489 runtime library will do this.
2491 * objc/Make-lang.in: Do not build the runtime library or install
2492 the Objective C header files. The Makefile for the runtime
2493 library will do this.
2495 * objc/Makefile.in (all.indirect): Only build the front-end.
2496 (compiler): Rename to `frontend'.
2497 (obj-runtime): Remove target.
2498 (copy-headers): Likewise.
2499 (clean): No need to remove `libobjc.a' any longer.
2501 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
2503 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2504 supported with -mcpu=xxx.
2506 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2508 * flow.c (mark_set_1): Recognize multi-register structure return
2509 values in CALL insns.
2510 (mark_used_regs): Likewise.
2511 (count_reg_sets_1): Likewise.
2512 (count_reg_references): Likewise.
2513 * rtlanal.c (note_stores): Likewise.
2514 (reg_overlap_mentioned_p): Likewise.
2515 * haifa-sched.c (check_live_1): Likewise.
2516 (update_live_1): Likewise.
2517 (sched_analyze_1): Likewise.
2518 (sched_note_set): Likewise.
2519 (birthing_insn_p): Likewise.
2520 (attach_deaths): Likewise.
2522 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
2525 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
2527 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
2529 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2531 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
2533 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2535 * configure.in: Add check for GAS subsection -1 support.
2536 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
2537 * configure config.in: Rebuilt.
2538 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
2539 SImode is subsection -1 works, else use DImode.
2540 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
2541 subsection -1 works.
2542 * config/sparc/sparc.c (sparc_output_addr_vec,
2543 sparc_output_addr_diff_vec): Use them if defined.
2545 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
2547 * tree.h (DECL_ORIGIN): New macro.
2548 * integrate.c (copy_and_set_decl_abstract_origin): New function.
2549 (copy_decl_list): Use it.
2550 (integrate_parm_decls): Likewise.
2551 (integrate_decl_tree): Likewise.
2552 * dwarf2out.c (decl_ultimate_origin): Simplify.
2553 * dwarfout.c (decl_ultimate_origin): Likewise.
2554 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
2555 (pushdecl): Likewise.
2557 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
2559 * config/rs6000/rs6000.c (output_epilog): Add Java support.
2561 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
2563 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
2565 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
2567 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
2568 empty or has a single entry.
2570 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
2571 before calling reg_to_stack.
2573 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
2575 * alpha.c (alphaev5_insn_pipe): Abort on default case.
2576 (alphaev5_next_group): Swallow CLOBBERs and USEs.
2578 * c-tree.h (warn_long_long): Declare it.
2580 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
2582 * emit-rtl.c (gen_lowpart_common): Disable optimization of
2583 initialized float-int union if the value is a NaN.
2585 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
2587 * c-lex.c (real_yylex): Don't warn about long long constants if
2588 we're allowing long long
2590 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2592 * except.h (current_function_eh_stub_label): Declare.
2593 (current_function_eh_old_stub_label): Declare.
2594 * function.h (struct function): New members eh_stub_label and
2596 * except.c (current_function_eh_stub_label): New variable.
2597 (current_function_eh_old_stub_label): New variable.
2598 (init_eh_for_function): Clear them.
2599 (save_eh_status): Save them.
2600 (restore_eh_status): Restore them.
2601 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
2602 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
2603 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
2604 make an edge from the block that contains it to the block starting
2605 with the label if this label is one of the eh stub labels.
2606 If eh stub labels exist, show they are reachable from the last block
2609 * reload1.c (reload): Break out several subroutines and make some
2611 (calculate_needs_all_insns): New function, broken out of reload.
2612 (calculate_needs): Likewise.
2613 (find_reload_regs): Likewise.
2614 (find_group): Likewise.
2615 (find_tworeg_group): Likewise.
2616 (something_needs_reloads): New global variable, formerly in reload.
2617 (something_needs_elimination): Likewise.
2618 (caller_save_spill_class): Likewise.
2619 (caller_save_group_size): Likewise.
2620 (max_needs): Likewise.
2621 (group_size): Likewise.
2622 (max_groups): Likewise.
2623 (max_nongroups): Likewise.
2624 (group_mode): Likewise.
2625 (max_needs_insn): Likewise.
2626 (max_groups_insn): Likewise.
2627 (max_nongroups_insn): Likewise.
2628 (failure): Likewise.
2630 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
2632 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
2634 * loop.c (load_mems): Copy rtx for output mem.
2636 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
2638 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
2639 mips1 or mips2 either.
2641 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
2643 * pa.c (pa_reorg): New marking scheme for jumps inside switch
2645 (pa_adjust_insn_length): Update to work with new marking scheme
2646 for jumps inside switch tables.
2647 * pa.md (switch_jump): Remove pattern.
2648 (jump): Handle jumps inside jump tables.
2650 * Makefile.in (profile.o): Depend on insn-config.h
2652 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
2654 * iris6.h (DWARF2_UNWIND_INFO): Undef.
2656 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2658 Add preliminary native sparcv9 Solaris support.
2659 * configure.in: Recognize sparv9-*-solaris2*
2660 * configure: rebuilt
2661 * config.sub: Recognize sparcv9 just like sparc64.
2662 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
2663 config/sparc/sol2-cn.asm: Macroize so it can be shared between
2664 32-bit and 64-bit Solaris systems.
2665 * config/sparc/t-sol2: Assemble those with cpp.
2666 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
2667 (*TF*_LIBCALL): If ARCH64 use V9 names.
2668 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
2670 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2672 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
2673 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
2675 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
2677 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
2678 to Pmode if CASE_VECTOR_MODE is something else.
2680 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
2682 * prefix.c (update_path): Correctly handle cases where PATH is
2683 a substring of the builtin prefix, but specifies a different
2686 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
2688 * expr.c: Corrected comment about what MOVE_RATIO does.
2689 * config/alpha/alpha.h: Ditto.
2690 * config/1750a/1750a.h: Ditto.
2691 * config/clipper/clipper.h: Ditto.
2692 * config/i386/i386.h: Ditto.
2694 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
2696 * configure.in (m68k-next-nextstep3*): Use collect2.
2697 Similarly for x86 NeXT configurations.
2698 * configure: Rebuilt.
2700 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
2702 * configure.in: Don't assume srcdir is .../gcc
2703 * configure: Rebuilt.
2705 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
2707 * global.c: Update comments.
2708 (global_alloc): Assign allocation-numbers
2709 even for registers allocated by local_alloc in case
2710 they are later spilled and retry_global_alloc is called.
2711 (mark_reg_store, mark_reg_clobber,
2712 mark_reg_conflicts, mark_reg_death): Always record a
2713 conflict with a pseudo register even if it has been
2714 assigned to a hard register.
2715 (dump_conflicts): Don't list pseudo registers already assigned to
2716 a hard register as needing to be allocated, but do list their
2718 * local-alloc.c: Update comment.
2720 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
2722 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
2723 * configure: Rebuilt.
2725 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
2727 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
2729 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
2730 for all targets that set -msoft-float.
2732 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2734 * toplev.c (print_switch_values): Make static to match prototype.
2736 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
2738 * configure.in: If we are unable to find the "gnatbind" program,
2739 then do not configure the ada subdir.
2740 * configure: Rebuilt.
2742 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
2744 * version.c: Bump for snapshot.
2746 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
2748 * version.c: Bump for snapshot.
2750 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2752 * Makefile.in (toplev.o): Depend on $(EXPR_H).
2753 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
2755 * gansidecl.h: Define ATTRIBUTE_NORETURN.
2757 * genattrtab.c: Have insn-attrtab.c include toplev.h.
2759 * genextract.c: Have insn-extract.c include toplev.h.
2761 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
2763 * toplev.c: Include expr.h.
2764 (really_sorry, fancy_abort): Remove prototypes.
2765 (set_target_switch): Add argument in prototype.
2766 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
2767 (v_really_sorry): Likewise.
2768 (print_version, print_single_switch, print_switch_values): Make
2769 static and add prototype arguments.
2770 (decl_printable_name): Add prototype arguments.
2771 (lang_expand_expr_t): New typedef.
2772 (lang_expand_expr): Declare as a lang_expand_expr_t.
2773 (incomplete_decl_finalize_hook): Add prototype argument.
2774 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
2775 (botch): Likewise for variable `s'.
2776 (rest_of_type_compilation): Mark variables `type' and `toplev'
2777 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
2778 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
2779 (display_help): Make variable `i' an `unsigned long'.
2780 (main): Remove unused parameter `envp'.
2781 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
2782 Cast -1 when comparing it with a `size_t'.
2784 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
2785 prototype with ATTRIBUTE_NORETURN.
2786 (fatal_insn_not_found, fatal_insn, really_sorry,
2787 push_float_handler, pop_float_handler): Add prototypes.
2788 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
2789 (do_abort, botch): Add prototypes.
2791 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
2793 * final.c (final): If a label is reached only from a single jump,
2794 call NOTICE_UPDATE_CC on the jump and its predecessor before
2795 emitting the insn after the label.
2797 * i386.h: Add AMD K6 support.
2798 Change TARGET_* macros to use table lookup.
2799 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
2800 (ADJUST_COST): Change definition to call function in i386.c.
2801 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
2802 * i386.c: Add AMD K6 support.
2803 Add constants for feature tests used by TARGET_* macros.
2804 (split_di): If before reload, call gen_lowpart and gen_highpart.
2805 (x86_adjust_cost): New function.
2806 (put_jump_code): New function.
2807 (print_operand): New codes 'D' and 'd'.
2808 * i386.md: New insn types. New insn attribute "memory".
2809 Redefine scheduling parameters to use new types and add AMD K6
2810 support. Explicitly set type of most insns.
2811 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
2812 Pro and K6 prefer movl $1,reg to incl reg.
2813 (adddi3, subdi3): Set cc_status.
2814 (DImode shift patterns): Change label counters from HOST_WIDE_INT
2815 to int; x86 can't have more than 2^31 DImode shifts per file.
2816 (setcc): Combine all setcc patterns. Allow writing memory.
2817 Combine all jump patterns using match_operator.
2818 (*bzero): Name pattern. Emit mutliple stos instructions when that
2819 is faster than rep stos.
2820 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
2823 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
2825 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
2828 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
2830 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
2831 not whatever we're generating now.
2833 * alpha.c (set_frame_related_p, FRP): New.
2834 (alpha_expand_prologue): Mark frame related insns.
2835 (alpha_expand_epilogue): Likewise, but with a null FRP.
2836 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
2837 * alpha.md (exception_receiver): New.
2838 * alpha/crtbegin.asm (.eh_frame): New beginning.
2839 (__do_frame_setup, __do_frame_takedown): New.
2840 * alpha/crtend.asm (.eh_frame): New ending.
2841 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
2842 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
2843 (ASM_FILE_START): Don't emit .file for dwarf2.
2845 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
2846 * rtl.c (reg_note_name): Likewise.
2847 * rtl.texi (REG_NOTES): Likewise.
2848 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
2851 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
2853 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
2854 * i386.md (movsf, movdf, movxf): Validate memory address returned
2855 from force_const_mem. Kill useless REG_EQUAL setting code.
2857 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
2859 * m68k.md (zero_extendsidi2): Fix typo.
2861 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
2863 * configure.in: Removed references to the removed file
2864 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
2865 * arm*-*-netbsd* and ns32k-*-netbsd*.
2866 * config/i386/xm-netbsd.h: Removed unnecessary file.
2867 * config/m68k/xm-netbsd.h: Likewise.
2868 * config/sparc/xm-netbsd.h: Likewise.
2869 * config/mips/xm-netbsd.h: Likewise.
2871 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
2873 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
2874 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
2876 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
2877 for exact section attributions.
2879 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
2881 * i386/crtdll.h (CPP_PREDEFINES): Define.
2883 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
2885 * m68k.md (5200 movqi): Do not allow byte sized memory references
2887 * m68k.c (output_move_qimode): Do not use byte sized operations on
2890 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
2891 explicit rules for building. Similarly for alloca, vfprintf,
2892 choose-temp and mkstemp, getopt, getopt1, and obstack.
2893 (INCLUDES): Add $(srcdir)/../include.
2894 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
2895 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
2897 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
2899 * gcc.c (do_spec_1): [case 'o'] Account for
2900 lang_specific_extra_outfiles.
2901 (main): Correctly clear all slots in outfiles for
2902 lang_specific_extra_outfiles. Set input_file_number before
2903 calling lang_specific_pre_link.
2905 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
2907 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
2909 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2911 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
2913 (sparc_output_deferred_case_vectors): If no work to do, return.
2914 Fix thinko in Sept 1 change.
2916 1998-09-03 SL Baur <steve@altair.xemacs.org>
2918 * Makefile.in: add semicolon in BISON definition for portability.
2920 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
2922 * config/nextstep.c (handle_pragma): Correct name of third
2925 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
2927 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
2928 * config/m32r/m32r.h: Make register 17 be fixed.
2929 * config/m32r/m32r.c: Use SImode for cc operations.
2931 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
2933 * invoke.texi (Warning Options): Add -Wnon-template-friend
2936 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
2938 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
2940 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
2942 * rs6000.md (movsf): Disable explicit secondary-reload-like
2943 functionality if TARGET_POWERPC64.
2944 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
2947 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
2949 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
2950 and term.h from fixinc.wrap.
2952 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2954 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
2955 safe to include both string.h and strings.h together.
2956 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
2957 which headers to search for function declarations. Continue to
2958 prefer string.h over strings.h when both are not acceptable.
2960 * acconfig.h (STRING_WITH_STRINGS): Add stub.
2962 * configure.in: Call GCC_HEADER_STRING.
2964 * system.h: Test STRING_WITH_STRINGS when deciding which headers
2965 to include. Continue to prefer string.h over strings.h when both
2968 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2970 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
2971 not assume top 32-bits of symbolic addresses are zero if
2974 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
2976 * ginclude/va-alpha.h: Protect entire second portion of the
2977 file against double inclusion.
2979 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
2981 Added support for the Boehm's garbage collector.
2982 * configure.in: Handle --enable-objc-gc.
2983 * configure: Rebuilt.
2984 * Makefile.in (CHECK_TARGETS): Add check-objc.
2985 (check-objc): New rule.
2986 * objc/Make-lang.in: Build a different Objective-C library that
2987 runs with the Boehm's collector.
2988 * objc/encoding.c (objc_round_acc_size_for_types): New function.
2989 * objc/encoding.c: Correctly compute the size of compound types in
2990 the presence of bitfields. Skip the variable name of the type if
2991 any. Added support for long long.
2992 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
2993 (_F_GCINVISIBLE): New mask.
2994 * objc/gc.c: New file. Compute the type memory mask associated with
2995 a class based on the runtime information.
2996 * objc/misc.c: Added the hooks that use the Boehm's collector
2997 allocation functions.
2998 * objc/objc-act.c (build_class_template): Generate a new class
2999 member (gc_object_type) to hold the class' type memory mask.
3000 (build_shared_structure_initializer): Initialize the new member to
3002 (encode_complete_bitfield): New function. Generate the new
3004 (encode_field_decl): Generate the new encoding only for the GNU
3006 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3008 (class_get_gc_object_type): New function to mark a pointer instance
3009 variable as a weak pointer.
3010 * objc/objc-features.texi: New file.
3011 * objc/objc.h (gc_object_type): New class member.
3012 * objc/objects.c (class_create_instance): Create a typed memory
3013 object when compiled with Boehm's collector support.
3014 * objc/sendmsg.c (__objc_init_install_dtable): Call
3015 __objc_send_initialize instead of setting the initialize flag.
3016 (__objc_send_initialize): Call __objc_generate_gc_type_description
3017 to generate the class type memory mask. Rewrite the code that
3018 sends the +initialize so that it is called only once (bug report
3019 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3020 * testsuite/objc: New testsuite for Objective-C type encoding.
3021 * testsuite/lib/objc-torture.exp: New file.
3022 * testsuite/lib/objc.exp: New file.
3024 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3026 * jump.c (jump_optimize): In if/then/else transformations, add
3027 another call to modified_between_p for the jump insn.
3029 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3031 * fix-header.c (symlink): Treat like readlink.
3033 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3035 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3038 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3040 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3041 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3042 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3044 * config/nextstep.c (handle_pragma): Take three arguments, as per
3045 the new HANDLE_PRAGMA macro specification.
3046 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3047 per the new HANDLE_PRAGMA macro specification.
3048 * config/i960/i960.c (process_pragma): Take three arguments, as
3049 per the new HANDLE_PRAGMA macro specification.
3051 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3053 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3054 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3055 if unknown pragmas are encountered.
3056 (handle_sysv_pragma): Interpret return code from
3057 handle_pragma_token (). Return success/failure indication rather
3058 than next unprocessed character.
3059 (pragma_getc): New function: retrieves characters from the
3060 input stream. Defined when HANDLE_PRAGMA is enabled.
3061 (pragma_ungetc): New function: replaces characters back into the
3062 input stream. Defined when HANDLE_PRAGMA is enabled.
3064 * c-pragma.c (handle_pragma_token): Return success/failure status
3067 * c-pragma.h: Change prototype of handle_pragma_token().
3069 * varasm.c: (handle_pragma_weak): Only create this function if
3070 HANDLE_PRAGMA_WEAK is defined.
3072 * c-common,c (decl_attributes): If defined call the expression
3073 contained within the INSERT_ATTRIBUTES macro before adding
3074 attributes to a decl.
3076 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3077 HANDLE_PRAGMA, which takes three arguments.
3078 (INSERT_ATTRIBUTES): Document this new macro.
3080 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3081 new INSERT_ATTRIBUTES macro.
3083 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3085 * config/sparc/sparc.md (movdf): Only generate special RTL for
3086 LABEL_REFs when PIC.
3087 (move_label_di): Remove
3088 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3089 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3090 references when PIC.
3091 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3092 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3093 output an .xword for all 64-bit cases.
3095 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3097 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3098 alignment, use FUNCTION_BOUNDARY instead.
3099 (sparc_output_deferred_case_vectors): Likewise.
3101 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3103 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3104 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3106 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3108 * alpha/va_list.h: New file.
3109 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3111 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3113 * NEWS: Add SCO Openserver and Unixware 7 notes.
3117 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3119 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3120 (record_constant_1): Handle RANGE_EXPR.
3122 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3124 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3125 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3126 and NOTE_INSN_RANGE_END specially.
3127 (reemit_notes): Likewise.
3129 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3131 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3132 (ultrasparc_sched_init): Remove unneeded &.
3134 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3136 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3137 for m68020-60, to prevent the use of fintrz.
3139 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3141 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3143 * Makefile.in: Likewise.
3144 * configure: Regenerated.
3146 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3148 * configure.in (gxx_include_dir): Changed to
3149 '${prefix}/include/g++'-${libstdcxx_interface}.
3150 * configure: Rebuilt.
3152 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3154 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3156 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3157 *sequences* *below* which scalar moves will be used.
3159 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3161 * collect2.c (mktemp): Delete unused declaration.
3163 * config/xm-netbsd.h: Remove unnecessary file.
3164 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3165 file anymore, it is not needed.
3167 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3169 * convert.c (convert_to_integer): Issue an error on conversions to
3172 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3174 * Makefile.in: Add lang_tree_files and gencheck.h.
3175 * configure.in: Generate them.
3176 * gencheck.c: Include gencheck.h.
3178 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3180 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3181 movdi_lo_sum_pic and movdi_high_pic and make visible.
3182 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3183 emit these when Pmode is not SImode.
3184 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3186 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3188 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3189 .linkonce directive after the first time.
3191 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3193 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3194 the clobbered operand overlaps with an input.
3195 (bne0_di): Similarly.
3197 * Makefile.in (INSTALL): Remove "--no-header" argument.
3199 * NEWS: Various updates.
3201 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3203 * config/sparc/sparc.c (arith_operand, const64_operand,
3204 const64_high_operand, arith_double_4096_operand): Mark mode as
3206 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3208 (sparc_emit_set_const64): Remove unused variable i.
3209 (sparc_splitdi_legitimate): Likewise for addr_part.
3210 (ultra_code_from_mask): Likewise for mask.
3211 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3212 reverse return values so it matches usage and comments.
3213 (ultra_flush_pipeline): Likewise.
3214 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3215 this_type, and allow loads and stores of differing FP modes as
3216 they do not create a conflict.
3217 (ultra_find_type): Initialize fpmode to SFmode, fix
3218 parenthesization thinkos in large conditional.
3219 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3220 Init free_slot_mask after ultra_cur_hist is reset, not before.
3221 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3222 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3223 use ultra_flush_pipeline instead, then re-init group pointer.
3224 Fix statement with no effect. If no progress made in, and no
3225 instructions scheduled at all, advance to new pipeline cycle else
3226 we get into an endless loop.
3227 (ultrasparc_adjust_cost): Remove previous arg.
3228 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3230 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3232 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3233 code. Use reg_overlap_mentioned_p to detect when source and
3234 destination overlap.
3235 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3237 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
3239 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
3240 COMPARISON_VAL, into invariant_p.
3242 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3244 * regmove.c (regclass_compatible_p): New function.
3245 (regmove_optimize): Use it.
3247 Use NREGS parameter insted of calling max_reg_num.
3249 (fixup_match_1): Don't use code = MINUS when later tieing with
3250 a hard register is likely.
3252 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3254 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
3255 COMPARISON_VAL was normalized.
3257 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
3259 * loop.c (check_dbra_loop): The loop ending comparison value
3260 must be an invariant or we can not reverse the loop.
3262 * loop.c (scan_loop): Count down from max_reg_num - 1 to
3263 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
3265 (load_mems_and_recount_loop_regs_set): Likewise.
3267 * i386.c (print_operand): Remove obsolete 'c' docs.
3269 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
3271 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
3272 * frame.c (init_object_mutex): New function.
3273 (init_object_mutex_once): Likewise.
3274 (find_fde): Call it.
3275 (__register_frame_info): Likewise.
3276 (__register_frame_info_table): Likewise.
3277 (__deregister_frame_info): Likewise.
3279 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
3281 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
3283 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3285 * loop.c (check_dbra_loop): Enable code for reversal
3286 of some loops without a known constant loop end.
3288 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
3290 * haifa-sched.c (last_clock_var): New.
3291 (schedule_block): Initialize it.
3292 (schedule_insn): Use it to fill insn modes with issue information.
3294 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
3295 Tag trapb and next insn with TImode.
3296 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
3297 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
3298 Invoke alphaev5_align_insns as appropriate.
3299 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
3300 (MD_SCHED_VARIABLE_ISSUE): New.
3301 * alpha.md (attr type): Add multi.
3302 (define_asm_attributes): New.
3303 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
3304 (arg_home): Likewise.
3305 (fnop, unop, realign): New.
3307 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
3309 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
3310 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
3312 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
3313 (rs6000-ibm-aix4.[12]*): Likewise.
3314 * configure: Regnerate.
3316 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
3318 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
3319 already contains the return address.
3321 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
3323 * calls.c (expand_call): Use bitfield instructions to extract/deposit
3324 word sized hunks when loading unaligned args into registers.
3326 * haifa-sched.c (sched_analyze_insn): Only create scheduling
3327 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
3329 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
3331 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3333 * loop.c (check_dbra_loop): Add some code that would allow reversal
3334 of some loops without a known constant loop end if it were enabled.
3336 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
3338 * mips.md (lshrsi3_internal2+2): Fix type-o.
3340 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3342 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
3343 correctly with regards to stdio.h.
3345 * calls.c: Remove stdarg.h/varargs.h.
3348 * combine.c: Likewise.
3349 * cpperror.c: Likewise.
3350 * cpplib.c: Likewise.
3351 * cpplib.h: Likewise.
3352 * doprint.c: Likewise.
3353 * emit-rtl.c: Likewise.
3354 * final.c: Likewise.
3355 * fix-header.c: Likewise.
3357 * genattr.c: Likewise.
3358 * genattrtab.c: Likewise.
3359 * gencodes.c: Likewise.
3360 * genconfig.c: Likewise.
3361 * genemit.c: Likewise.
3362 * genextract.c: Likewise.
3363 * genflags.c: Likewise.
3364 * genopinit.c: Likewise.
3365 * genoutput.c: Likewise.
3366 * genpeep.c: Likewise.
3367 * genrecog.c: Likewise.
3368 * mips-tfile.c: Likewise.
3369 * prefix.c: Likewise.
3370 * protoize.c: Likewise.
3371 * regmove.c: Likewise.
3372 * toplev.c: Likewise.
3375 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3377 * config/sparc/sparc.c (sparc_override_options): If not
3378 TARGET_FPU, turn off TARGET_VIS.
3379 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
3380 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
3381 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
3382 (movdi_insn_sp64): Add VIS fzero alternative.
3383 (clear_sf, clear_df): New VIS patterns.
3384 (movsf, movdf expanders): Allow fp_zero_operand flat out when
3386 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
3388 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
3390 * loop.c (n_times_set, n_times_used, may_not_optimize,
3391 reg_single_usage): Convert to varrays. All uses changed.
3392 (insert_loop_mem): Return a value.
3393 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
3394 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
3397 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
3400 * configure.in: Do not set thread_file to "irix" since no such
3403 * sparc.md (float abs/neg splits): Check reload_completed before
3404 calling alter_subreg.
3406 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3408 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
3410 * config/sparc/sparc.h: Declare it.
3411 * config/sparc/sparc.md (float abs/neg splits): Use it.
3412 (all other splits): Handle SUBREGs properly where necessary.
3413 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
3415 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
3417 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
3418 an insn on the unfilled_slots_list that has no delay slots.
3419 (fill_eager_delay_slots): Similarly.
3421 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
3423 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
3424 as an ordinary operand.
3426 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
3428 * tree.c (valid_machine_attribute): Don't apply attributes to both
3431 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
3433 * reload.c (operands_match_p): Handle rtvecs.
3435 * i386.c (legitimate_pic_address_disp_p): New.
3436 (legitimate_address_p): Use it.
3437 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
3438 Handle constant pool symbols just like statics.
3439 (emit_pic_move): Use Pmode not SImode for clarity.
3440 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
3441 [UNSPEC]: New, handling what we killed above.
3442 [PLUS]: Detect and abort on invalid symbol arithmetic.
3443 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
3445 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
3447 * alias.c: Include output.h.
3448 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
3449 different if we're in a varargs function.
3450 * Makefile.in (alias.o): Depend on output.h
3452 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3454 * sh.h (GIV_SORT_CRITERION): Delete.
3456 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
3458 * regclass.c (regclass): Use xmalloc/free instead of alloca.
3459 * stupid.c (stupid_life_analysis): Ditto.
3460 * reload1.c (reload): Ditto.
3462 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3464 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
3465 arith_double_4096_operand, arith_double_add_operand): New
3467 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
3468 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
3469 them to transform add/sub 4096 into add/sub -4096.
3471 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3473 * loop.c (scan_loop): Allocate some slop to handle pseudos
3474 generated by move_movables.
3475 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
3478 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
3480 * tree.def (DECL_RESULT): Correct documentation.
3482 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3484 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
3485 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
3486 conflicts will all RELOAD_FOR_OUTPUT reloads.
3488 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
3489 loads the function result, substitute with a USE.
3491 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3493 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
3494 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
3495 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
3496 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
3497 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
3498 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
3500 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
3501 'o' to 'm' for GPR variant constraints.
3503 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
3505 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
3507 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
3509 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
3510 when the source and destination overlap.
3512 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
3513 clash with global type.
3515 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
3517 * fixinc.irix: Add curses.h handling from fixinc.wrap.
3519 * c-common.c (combine_strings): Also set TREE_READONLY.
3520 Change warn_write_strings to flag_const_strings.
3521 * c-decl.c, c-tree.h: Likewise.
3523 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3525 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
3526 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
3527 sequence, use SET/IOR instead so CSE can see it.
3528 * config/sparc/sparc.md (movhi_const64_special,
3529 movsi_const64_special): New patterns necessitated by that change.
3530 (movhi_high): Remove.
3531 (movhi_lo_sum): Change to match an IOR.
3532 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
3533 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
3534 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
3535 (movdf splits): Allow when not V9 or when not ARCH64 and integer
3536 registers are involved.
3537 (snesi_zero_extend split): Remove reload_completed test.
3538 (unnamed plus and minus zero_extend sidi splits): Add it.
3540 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
3542 * extend.texi: Remove description of extension to explicit
3543 instantiation that is now endorsed by standard C++.
3545 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3547 * config/arc/arc.c (arc_initialize_pic): Remove.
3548 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
3549 nothing on any platform and is invoked by no-one, it does not even
3550 appear in the documentation.
3551 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
3552 * config/sparc/sparc.c (initialize_pic): Likewise.
3553 (find_addr_reg): Remove this as well, no longer referenced after
3556 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
3558 * recog.c (validate_replace_rtx_group): New function.
3559 * recog.h (validate_replace_rtx_group): Declare it.
3560 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
3561 the entire group of substitutions.
3563 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
3565 * loop.c (load_mems): Fix initializers.
3567 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3569 * config/sparc/sparc.md (TFmode splits): Handle destination
3570 registers being referenced in the address correctly.
3572 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
3573 TREE_UNSIGNED, when bitsize of type's mode is larger than
3574 HOST_BITS_PER_WIDE_INT.
3576 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3578 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
3579 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
3580 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
3582 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
3585 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
3587 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
3588 * h8300.h (TINY_DATA_NAME_P): Likewise.
3589 (STRIP_NAME_ENCODING): Handle '&'.
3591 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
3592 register (it could be accessed via an outer SUBREG).
3593 (REG_OK_FOR_BASE_P): Likewwise.
3594 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
3596 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
3599 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
3601 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3603 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
3604 must be offsettable so the splits can be made.
3606 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
3608 * config/i386/winnt.c: Include system.h, not stdio.h to get
3609 sys/param.h pulled in before rtl.h in case the system defines MIN
3612 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
3614 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
3616 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
3618 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
3620 * cpplib.c (cpp_define): Handle macros with parameters.
3622 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3624 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
3625 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
3626 and DImode 64-bit. Use llong for minimal-toc SFmode and
3627 SYMBOL_REF / LABEL_REF 64-bit.
3628 (output_function_profiler): Use llong for profiler label and ld to
3629 load 64-bit label address.
3631 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
3633 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
3636 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
3638 * version.c: Bump for snapshot.
3640 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
3642 * version.c: Bump for snapshot.
3644 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
3646 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
3648 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
3650 * tm.texi (Misc): Fix typo "teh".
3652 * tm.texi (PIC): Fix typo "PPIC".
3654 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
3655 effect when -O2 and higher.
3656 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
3658 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
3660 * regclass.c: Changed register set documentation to be consistent
3663 * final.c (final_start_function) Removed redundant test for
3666 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
3668 * rtl.h (rtx_function): New type.
3669 (for_each_rtx): New function.
3670 * rtlanal.c (for_each_rtx): Define it.
3672 * recog.c (change_t): New type.
3673 (change_objects, change_old_codes, change_locs, change_olds):
3675 (changes): New variable.
3676 (validate_change): Dynamically allocate room for more changes, if
3677 necessary. Uses changes array instead of change_objects, etc.
3678 (apply_change_group): Use changes array instead of
3679 change_objects, etc.
3681 * loop.c (loop_mem_info): New type.
3682 (loop_mems): New variable.
3683 (loop_mems_idx): Likewise.
3684 (looop_mems_allocated): Likewise.
3685 (scan_loop): Remove nregs parameter.
3686 (next_insn_in_loop): New function.
3687 (load_mems_and_recount_loop_regs_set): Likewise.
3688 (load_mems): Likewise.
3689 (insert_loop_mem): Likewise.
3690 (replace_loop_mem): Likewise.
3691 (replace_label): Likewise.
3692 (INSN_IN_RANGE_P): New macro.
3693 (loop_optimize): Don't pass max_reg_num() to scan_loop.
3694 (scan_loop): Remove nregs parameter, compute it after any new
3695 registers are created by load_mems. Use INSN_IN_RANGE_P and
3696 next_insn_in_loop rather than expanding them inline. Call
3697 load_mems to load memory into pseudos, if appropriate.
3698 (prescan_loop): Figure out whether or not there are jumps from the
3699 loop to targets other than the label immediately following the
3700 loop. Call insert_loop_mem to notice all the MEMs used in the
3701 loop, if it could be safe to pull MEMs into REGs for the duration
3703 (strength_reduce): Use next_insn_in_loop. Tweak comments.
3705 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
3707 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
3709 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3711 * config/sparc/sparc.c (finalize_pic): Check for the correct
3712 nonlocal_goto_receiver UNSPEC number.
3713 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
3714 making note of this dependency existing in sparc.c
3715 (negtf2_notv9 split): Give NEG SFmode.
3716 (negsf2): Fix insn output string.
3718 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
3720 * c-common.c (decl_attributes): Issue an error if the argument
3721 to alias is not a string.
3723 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
3725 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
3726 pending memory flush list.
3728 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
3730 (try_combine): Allow combining insns with REG_LIBCALL notes.
3732 * expr.c (emit_block_move): Do not call memcpy as a libcall
3733 instead build up a CALL_EXPR and call it like any other
3735 (clear_storage): Similarly for memset.
3737 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
3740 * Makefile.in (cplus-dem.o): Provide explicit rules for building
3743 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
3744 and REG_LIVE_LENGTH as successful substitutions are made.
3746 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3748 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
3749 statement after end of loop label.
3751 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3753 * config/sparc/sparc.c (ultra_types_avail): New variable.
3754 (ultra_build_types_avail): New function to record mask of insn
3755 types in ready list at this cycle.
3756 (ultrasparc_sched_reorder): Call it.
3757 (ultra_find_type): Use it to quicken the search. Also simplif
3758 dependency check, don't use rtx_equal_p because we know exactly
3759 what we are looking for.
3761 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
3763 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
3764 for architecture v4.
3766 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3768 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
3770 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
3771 movdf_const_intreg and helper splits): New patterns to move float
3772 constants into integer registers.
3773 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
3776 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
3779 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
3781 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
3783 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
3784 a BASE_REGS register is needed as an intermediate when copying
3785 a symbolic value into any register class other than BASE_REGS.
3787 * expr.c (move_by_pieces): No longer static. Remove prototype.
3788 * rtl.h (move_by_pieces): Add extern prototype.
3789 * mips.c (expand_block_move): Handle aligned straight line copy by
3790 calling move_by_pieces.
3792 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
3795 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
3797 * stmt.c (expand_end_loop): Tidy. Allow unconditional
3798 jumps out of the loop to be treated as part of the exit test.
3800 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3801 Jeff Law <law@cygnus.com>
3803 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
3804 * cplus-dem.c: Delete.
3806 * Makefile.in (fold-const.o): depend on $(RTL_H).
3808 * fold-const.c: Include rtl.h to get the prototype for
3809 `set_identifier_local_value'.
3811 * loop.c (express_from_1): Remove unused variable `tmp'.
3812 (combine_givs): cast the first argument of bzero to char *.
3814 * toplev.c (display_help): Remove unused variable `looking_for_start'.
3816 * c-decl.c (init_decl_processing): Remove unneeded &.
3818 * alpha.h (alpha_initialize_trampoline): Provide prototype.
3820 * except.c (set_exception_lang_code, set_exception_version_code):
3821 Change parameter from `short' to `int' to avoid using a gcc
3824 * except.h (set_exception_lang_code, set_exception_version_code):
3825 Likewise for prototypes.
3827 * flow.c (count_reg_references): Remove unused variables `regno'
3830 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
3832 * prefix.c (translate_name): Cast the result of `alloca'.
3834 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
3836 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3838 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
3840 (valid_dbcc_comparison_p): Mark mode argument as unused.
3841 (symbolic_operand): Likewise.
3842 (legitimize_pic_address): Likewise.
3843 (const_uint32_operand): Likewise.
3844 (const_sint32_operand): Likewise.
3845 * sched.c [!INSN_SCHEDULING]: Define only dummy function
3846 schedule_insns and comment out rest of file.
3848 * m68k.c (output_move_simode_const): Use subl to move a zero into an
3850 (output_move_[hq]imode): Likewise.
3852 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
3854 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
3855 * invoke.texi: Corresponding changes.
3857 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
3859 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
3861 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3863 * config/sparc/sparc.c (ultra_code_from_mask,
3864 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3865 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
3866 ultrasparc_sched_init, ultrasparc_variable_issue,
3867 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
3868 functions to describe UltraSPARC pipeline exactly to Haifa.
3869 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
3870 as there is nothing the scheduler can do about it. Indicate that
3871 REG_DEP_OUTPUT's collide. Fixup formatting.
3872 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
3873 divide costs on Ultra for DImode.
3874 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
3876 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
3877 ieuN and add call_no_delay_slot to type list.
3878 (cti function unit): New unit for branches on UltraSPARC.
3879 (subx/addx insns): Set type to misc.
3880 (sidi zero/sign extension insns on arch64): Set type to shift.
3881 (sign_extendhidi2_insn): Set type to sload.
3883 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
3885 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
3886 (output_epilog): Use if != 0 for offset.
3887 (rs6000_fatal_bad_address): Prepare for Intl.
3888 * rs6000.h (rs6000_fatal_bad_address): Declare.
3889 * rs6000.md (movsfcc, movdfcc): Use else if.
3890 (elf_high): Use {liu|lis}.
3891 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
3892 (movsi): Use rs6000_fatal_bad_address.
3894 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
3896 * reload.c (find_equiv_reg): Reject equivalences separated
3897 by a volatile instruction.
3899 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3901 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
3903 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
3905 * alpha.md (movsicc): Fix mode mismatch.
3907 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
3909 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
3911 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
3913 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3915 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
3916 write-only modifier from operand 1 constraint.
3918 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3920 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
3921 emitting a XOR of -1 at the end, emit a NOT instead for combine's
3923 (sparc_emit_set_const64): Likewise, also when computing trailing
3924 bits do not negate low_bits and make fast_int an int.
3926 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
3928 * loop.c (add_label_notes): Do not ignore references to labels
3929 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
3930 * gcse.c (add_label_notes): Similarly.
3932 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
3934 * m68k.md (adddi_dilshr32): One of the operands must be a register.
3935 (adddi_dishl32): Similarly.
3937 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
3939 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
3940 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
3941 * cse.c (cse_basic_block): Add parens to shut up warnings.
3943 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3945 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
3946 sparc_emit_set_const64_longway, const64_is_2insns,
3947 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
3948 in 64-bit constant formation.
3949 * config/sparc/sparc.md (snesi_zero_extend split): Generate
3950 rtl for addx not subx.
3951 (define_insn movdi_const64_special): Make available even when
3952 HOST_BITS_PER_WIDE_INT is not 64.
3953 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
3954 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
3955 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
3956 instances of operand 1 inside a QI subreg.
3957 (xordi3_sp64_dbl): Remove '%' constraint for op1.
3958 (one_cmpldi2_sp64): Fix output string.
3959 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
3961 (unnamed arch64 ashift DI): Truncate shift count if greater than
3964 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3966 * expr.c (store_expr): Don't optimize away load-store pair
3967 when either source or destination have a side effect.
3969 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
3971 * genrecog.c (add_to_sequence): Fatal error if the modes of the
3972 operands of SET are incompatible.
3974 * alpha.md: Fix max and min patterns so modes of SET operands match.
3976 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
3978 * configure.in: Avoid [[ by using test and changequote.
3979 * configure: Rebuild.
3981 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3983 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
3985 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
3986 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
3987 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
3988 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
3989 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
3990 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
3991 Fix mismatching modes in SET operands.
3992 (conditional move patterns): Fix formatting.
3993 (unnamed subx arch64 pattern): Remove duplicate insn.
3995 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3997 * config/sparc/sparc.c (const64_operand, const64_high_operand):
3998 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
3999 (input_operand): Fixup test for what we accept for constant
4001 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4003 (safe_constDI): Remove.
4004 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4005 gen_safe_XOR64): New functions.
4006 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4007 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4009 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4010 available when HOST_BITS_PER_WIDE_INT is not 64.
4011 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4012 move before movdi_insn_sp64 pattern.
4013 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4014 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4015 symbolic_operand as predicate for second operand.
4016 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4017 expander): Give set VOIDmode.
4019 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4021 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4023 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4025 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4027 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4029 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4031 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4033 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4035 * install.texi: Various SCO OpenServer tweaks.
4037 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4039 * reload1.c (eliminate_regs_in_insn): Handle another case when
4040 eliminating the frame pointer to the hard frame pointer. Add
4041 missing ep->to_rtx check to one existing case.
4043 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4045 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4047 * tree.h: De-conditionalize init_priority code.
4049 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4050 * collect2.c (NM_FLAGS): Change from -p to -n.
4052 * configure.in: Turn on collect2 for mipstx39-elf.
4053 Handle use_collect2=no properly.
4055 * c-common.c: De-conditionalize init_priority code.
4056 * collect2.c (extract_init_priority, sort_ids): New fns.
4057 (main): Call sort_ids.
4058 Move sequence_number to file scope.
4060 * configure.in: Handle --enable-init-priority.
4061 * c-common.c (attrs): Add A_INIT_PRIORITY.
4062 (init_attributes, decl_attributes): Likewise.
4063 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4064 * tree.c (get_file_function_name_long): Split out...
4065 (get_file_function_name): ...from here.
4067 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4069 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4072 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4074 * toplev.c (display_help): Add braces to shut up warnings.
4075 * tree.c (simple_cst_equal): Likewise.
4077 * fold-const.c (non_lvalue): Don't deal with null pointer
4079 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4081 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4082 of any size to a pointer.
4084 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4086 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4088 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4090 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4091 which will be saved.
4092 * mn10300.md (prologue insn): Only save registers which need saving.
4093 (epilogue insn): Similarly.
4095 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4098 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4100 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4101 VAR_DECL's in gp addressable sections.
4103 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4105 * sparc.c: Change return <exp> to <exp>; return; in functions
4107 * sparc.md: Add empty semicolon statement after final label in
4110 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4112 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4113 addx_extend_sp64, only allow when TARGET_ARCH64.
4114 (define_insn addx_extend_sp32 and split): Version that works when
4116 (define_insn subx_extend): Likewise.
4117 (define_split adddi3 and subdi3 with zero extension): Fixup and
4118 correct bugs when not TARGET_ARCH64.
4120 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4122 * except.c (set_exception_lang_code, set_exception_version_code):
4123 Use prototype-style definition if __STDC__, to match declaration
4126 * genemit.c: Change FAIL and DONE macros not to use loops.
4128 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4130 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4131 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4133 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4135 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4137 * README.g77: Update from Craig.
4139 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4141 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4143 (safe_constDI sparc_emit_set_const64_quick1,
4144 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4145 analyze_64bit_constant, const64_is_2insns,
4146 create_simple_focus_bits): Fix some bugs when compiled on real
4148 (function_arg_record_value_3, function_arg_record_value_2,
4149 function_arg_record_value): Add fully prototyped forward decls.
4150 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4151 to cmpsi_insn and use on both 64 and 32 bit targets.
4152 (define_insn cmpsi_insn_sp64): Remove.
4153 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4154 (define_insn zero_extendsidi2_insn): Rename to
4155 zero_extendsidi2_insn_sp64.
4156 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4157 assosciated forced split for it.
4159 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4161 * config/sparc/sparc.h: Declare them.
4162 (PREDICATE_CODES): Add them.
4163 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4164 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4166 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4168 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4169 in v9 case as the latter makes the Solaris assembler crash.
4171 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4173 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4174 for TFmode when !v9. We require offsettable memory addresses.
4175 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4176 DFmode register number conversions.
4177 * config/sparc/sparc.md (define_split DFmode moves): If register
4178 is a SUBREG do alter_subreg on it before using.
4179 (define_expand movtf): Fixup comment about alignment on v9.
4180 (define_split TFmode moves): Don't use gen_{high,low}part, create
4181 explicit SUBREGs instead.
4183 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4185 * Makefile.in (mbchar.o): Depend on mbchar.c.
4187 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4188 Richard Henderson <rth@cygnus.com>
4190 Rewrite Sparc backend for better code generation and
4191 improved sparc64 support.
4192 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4194 * config/sparc/sysv4.h: Likewise.
4195 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4196 move_operand, v8plus_regcmp_op, emit_move_sequence,
4197 singlemove_string, doublemove_string, mem_aligned_8,
4198 output_move_double, output_move_quad, output_fp_move_double,
4199 move_quad_direction, output_fp_move_quad, output_scc_insn):
4201 (small_int_or_double): New predicate.
4202 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4203 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4204 old pic_{sethi,lo_sum}_si patterns.
4205 (mem_min_alignment): New generic function to replace
4206 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4207 available and can test for arbitrary alignments. All callers
4209 (save_regs, restore_regs, build_big_number,
4210 output_function_prologue, output_cbranch, output_return,
4211 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4212 sparc_flat_output_function_epilogue): Prettify
4214 (output_function_epilogue): Likewise and add code to output
4215 deferred case vectors.
4216 (output_v9branch): Likewise, add new arg INSN and use it to tack
4217 on branch prediction settings. All callers changed.
4218 (print_operand): Likewise and output %l44 for LO_SUMs when
4220 (sparc_splitdi_legitimate): New function to make sure DImode
4221 splits can be run properly when !arch64.
4222 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4223 Reformat example code in comments.
4224 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4225 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4226 of deferred case vectors we need to output.
4227 (sparc_defer_case_vector): Record a case vector.
4228 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4229 sparc_output_deferred_case_vectors): New functions to output them.
4230 (sparc_emit_set_const32): New function to form 32-bit constants in
4231 registers when that requires more than one instruction.
4232 (safe_constDI, sparc_emit_set_const64_quick1,
4233 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4234 analyze_64bit_constant, const64_is_2insns,
4235 create_simple_focus_bits, sparc_emit_set_const64): New functions
4236 which do the same for 64-bit constants when arch64.
4237 (sparc_emit_set_symbolic_const64): New function to emit address
4238 loading for all code models on v9.
4239 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
4240 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
4241 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
4242 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
4243 inaccuracies in comments, add symbolic and text_segment operands
4244 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
4245 GENERAL_REGS in these cases as a temp REG is needed to load these
4246 addresses into a register properly.
4247 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
4249 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
4250 quads are guarenteed to have 16-byte alignment.
4251 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
4252 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
4253 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
4254 deferred case vector implementation.
4255 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
4256 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
4257 Generate "internal label - label" instead of "label - 1b".
4258 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
4259 (PREDICATE_CODES): Remove sparc_operand, move_operand,
4260 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
4262 (doublemove_string, output_block_move, output_fp_move_double,
4263 output_fp_move_quad, output_move_double, output_move_quad,
4264 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
4265 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
4266 (sparc_emit_set_const32, sparc_emit_set_const64,
4267 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
4268 mem_min_alignment, small_int_or_double): Add externs.
4269 * config/sparc/sparc.md: Document the many uses of UNSPEC and
4270 UNSPEC_VOLATILE in this backend.
4271 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
4272 unary to types which execute in it.
4273 (define_function_unit ieu_shift): Rename to ieu0.
4274 (define_function_unit ieu1): New, executes compare, call, and
4275 uncond_branch type insns.
4276 (define_function_units for type fdivs, fdivd, fsqrt): These
4277 execute in the fpu multiply unit not the adder on UltraSparc.
4278 (define_expand cmpdi): Disallow TARGET_V8PLUS.
4279 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
4280 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
4281 allows the arith_double_operand predicate and rHI constraint when
4283 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
4284 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
4285 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
4286 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
4287 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
4288 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
4289 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
4290 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
4291 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
4292 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
4293 sign_extendqihi2_insn, sign_extendqisi2_insn,
4294 sign_extendqidi2_insn, sign_extendhidi2_insn,
4295 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
4296 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
4297 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
4298 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
4299 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
4300 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
4301 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
4302 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
4303 smulsi3_highpart_v8plus, unnamed subreg mult,
4304 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
4305 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
4306 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
4307 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
4308 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
4309 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
4310 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
4311 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
4312 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
4313 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4314 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
4315 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
4316 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
4317 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
4318 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
4319 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
4320 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
4321 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
4322 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
4323 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
4324 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
4325 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
4326 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
4327 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
4328 call_address_untyped_struct_value_sp32,
4329 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
4330 call_value_symbolic_sp32, call_value_address_sp64,
4331 call_value_symbolic_sp64, branch_sp32, branch_sp64,
4332 flush_register_windows, goto_handler_and_restore,
4333 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
4334 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
4335 return_addsi, return_di, return_adddi, return_sf, all call+jump
4336 peepholes, trap, unnamed trap insns): Prettify output strings.
4337 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
4338 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
4339 Likewise and force + implement splits for integer cases.
4340 (define_insn return_sf_no_fpu): Likewise and allow to match when
4341 no-fpu because of our subreg SFmode splits.
4342 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
4343 zero_extendqidi2_insn, zero_extendhidi2_insn,
4344 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
4345 input_operand for second operand.
4346 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
4347 reg_or_0_operand for operand 2 so new splits can use it.
4348 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
4349 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
4351 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
4352 CONST_DOUBLEs for operand 2.
4353 (define_insn move_label_di): Likewise and label distance
4354 optimization because it no longer works with new deferred case
4355 vector scheme. To be revisited.
4356 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
4357 and allow reg_or_0_operand and J constraint for second operand.
4358 (define_insn jump): Set branch predict taken on V9.
4359 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
4360 new deferred case vector scheme.
4361 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
4362 (define_insn negdi2_sp32): Force + implement splits.
4363 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
4364 one_cmplsi2_not_liveg0 respectively, and create expander of original
4365 names which emit special rtl for TARGET_LIVE_G0.
4366 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
4367 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
4368 gen_compare_reg, FAIL instead.
4369 (define_insn sgtu, sleu): Likewise and check gen_s*() return
4370 values when trying to reverse condition codes, if they FAIL then
4372 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
4373 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
4374 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
4375 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
4376 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
4377 set output string to # to indicate they are mandatory splits.
4378 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
4379 pic_sethi_di, move_pic_label_si): Remove.
4380 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
4381 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
4383 (define_expand movsi_pic_label_ref, define_insn
4384 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
4385 expander and insns to handle PIC label references and deferred
4387 (define_insn get_pc_via_rdpc): Comment out as it is no longer
4389 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
4390 Rewrite to not use emit_move_sequence, make use of new constant
4391 formation code, and new splits for all multi-insn cases.
4392 (define_insn movqi_insn): Remove sethi case, it can never happen.
4393 Use reg_or_zero_operand instead of const0_rtx explicit test,
4394 use input_operand instead of move_operand for source, and use
4395 general_operand now for dest.
4396 (define_insn movhi_insn): Similar but leave sethi case.
4397 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
4398 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
4399 movhi_lo_sum respectively, prettify output string.
4400 (define_insn movsi_zero_liveg0): New pattern to put zero into a
4401 register when needed on TARGET_LIVE_G0.
4402 (define_insn movsi_insn): Use general_operand and input_operand
4403 for dest and src respectively. Simplify applicability test.
4404 Prettify output strings, and add clr alternative for J
4406 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
4407 deprecated std and reg-reg DI moves): Remove and...
4408 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
4409 implementation which uses forced splits for all non-single insn
4411 (define_split DI move cases on !arch64): New splits to handle all
4412 situations of 64-bit double register DImode on 32bit, and
4413 unaligned registers and memory addresses for all subtargets.
4414 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
4416 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
4417 input_operand for dest and src respectively, prettify output
4419 (define_insn movdf_insn, movdf_no_e_insn, store_df,
4420 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
4422 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
4423 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
4424 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
4425 movtf_no_e_insn_sp64) Replace with new
4426 implementation which uses forced splits for all non-single insn
4428 (define_split DF move cases): New splits in similar vein to DI
4430 (define_insn sethi_di_medlow, sethi_di_medium_pic,
4431 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
4432 movdi_sp64_insn): Remove old v9 code model and constant loading
4434 (define_insn pic_lo_sum_di, pic_sethi_di,
4435 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
4436 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
4437 embmedany_sethi, embmedany_losum, embmedany_brsum,
4438 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
4439 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
4440 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
4441 scheme, using unspecs, secondary reloads, and one to one sparc
4442 insn to rtl insn mapping for better scheduling and code gen.
4443 (define_expand reload_indi, reload_outdi): Reload helpers for
4444 MEDANY and EMBMEDANY symbol address loading cases which require a
4446 (define_expand movsicc): Remove v8plus_regcmp cases.
4447 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
4448 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
4449 cmp_diqi_trunc_set): New patterns used by some of the new scc
4451 (define_insn xordi3_sp64_dbl): New pattern used for constant
4452 formation when crossing from 32-bit targets.
4453 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
4455 (define_insn addx, subx): Make visible and prettify.
4456 (define_insn adddi3_insn_sp32): Likewise and force split.
4457 (define_insn addx_extend, subx_extend, unnamed): New patterns for
4458 64bit scc split usage.
4459 (define_insn unnamed plusDI zero_extend, unnamed minusDI
4460 zero_extend, subdi3): Force and implement splits.
4462 * final.c (final_scan_insn): Don't output labels if target
4463 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
4466 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
4467 don't forget to walk inside SEQUENCESs too as these are what the
4468 delay slot scheduler will create.
4470 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
4472 * alpha.md (extxl+1,+2): New patterns to work around
4475 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
4477 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
4478 caused bad assembly code to be generated.
4480 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
4482 * netbsd.h: Fix typo.
4484 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
4486 * config.sub: Fix typo.
4488 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
4490 * invoke.texi (Environment Variables): Typo: Change "ascpects"
4492 (Running Protoize): Typo: Change "ther" into "other".
4494 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
4496 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
4497 * m68k/netbsd.h: Likewise.
4498 * ns32k/netbsd.h: Likewise.
4499 * sparc/netbsd.h: Likewise.
4501 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
4503 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
4504 * ginclude/va-clipper.h (va_list): Likewise.
4506 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
4508 * rs6000.c (rs6000_override_options): If big endian and -Os, use
4509 load/store multiple instructions unless user overrides.
4511 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
4513 * ns32k/netbsd.h: Fix typo.
4515 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
4517 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
4518 labels with .debugsym if no parallel insns.
4520 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
4522 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
4523 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
4525 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
4527 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
4528 (AR_FOR_TARGET): Define.
4530 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
4532 * dyn-string.h: New file.
4533 * dyn-string.c: Likewise.
4534 * Makefile.in (OBJS): Add dyn-string.o.
4535 (dwarf2out.o): Add dyn-string.h dependency.
4536 (dyn-string.o): List dependencies.
4537 * dwarf2out.c: Include dyn-string.h.
4538 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
4539 (addr_const_to_string): Take a dyn_string_t, not a char* as a
4540 prototype. Use dyn_string_append rather than strcat, throughout.
4541 (addr_to_string): Use dyn_string_t.
4543 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
4545 Function entry/exit profiling instrumentation:
4546 * expr.h (profile_function_entry_libfunc,
4547 profile_function_exit_libfunc): Declare new variables.
4548 * optabs.c: Define them here.
4549 (init_optabs): Initialize them.
4550 * tree.h (struct tree_decl): New flag
4551 no_instrument_function_entry_exit.
4552 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
4553 * c-decl.c (duplicate_decls): Merge it.
4554 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
4555 (init_attributes): Use it for "no_instrument_function".
4556 (decl_attributes): Handle it, for functions that have not yet been
4557 compiled. Set decl flag.
4558 * flags.h (flag_instrument_function_entry_exit): Declare new
4560 * toplev.c (flag_instrument_function_entry_exit): Define it here.
4561 (f_options): New option "instrument-functions".
4562 * function.h (struct function): New field instrument_entry_exit.
4563 * function.c (current_function_instrument_entry_exit): New
4565 (push_function_context_to, pop_function_context_from): Save and
4567 (expand_function_start): Set current_ variable, maybe emit return
4568 label and entry profile call.
4569 (expand_function_end): Maybe emit exit profile call.
4571 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
4573 * i386.md (movqi): When optimizing a load of (const_int 1) into a
4574 NON_QI_REG_P, pretend the register is SImode.
4576 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
4578 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
4579 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
4580 manufacturer id for ns32k.
4581 * configure: Regenerated.
4582 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
4583 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
4584 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
4585 * config/m68k/netbsd.h: Same.
4586 * config/ns32k/netbsd.h: Same.
4587 * config/sparc/netbsd.h: Same.
4589 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
4591 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
4592 or UNROLL_COMPLETELY loop that starts with a jump to its
4595 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
4597 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
4598 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
4599 (print_operand, case 'B'): Don't fall through.
4600 (print_operand, case 'S'): Correct mask begin/end computation.
4601 Use HOST_BITS_PER_WIDE_INT.
4602 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
4603 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
4604 * rs6000/aix41.h (CPP_PREDEFINES): Same.
4605 * rs6000/aix43.h (CPP_PREDEFINES): Same.
4607 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
4609 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
4610 constraint from second alternative.
4612 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4614 * configure.in: Fix --without/--disable cases for local-prefix,
4615 gxx-include-dir and checking.
4617 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4619 * configure.in (enable_haifa): Set by default for sparc64 too.
4622 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
4624 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
4625 * i386/winnt.c (associated_type): New fn.
4626 (i386_pe_valid_type_attribute_p): New fn.
4627 (i386_pe_check_vtable_importexport): Remove.
4628 (i386_pe_dllexport_p): Use associated_type.
4629 (i386_pe_dllimport_p): Likewise.
4631 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
4632 * i386.c (i386_valid_type_attribute_p): Also accept
4633 attributes for METHOD_TYPEs.
4635 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
4637 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
4639 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
4641 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
4643 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
4644 them from generating a new base name for each occurence of
4647 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
4649 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
4651 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
4655 * cplus-dem.c (type_kind_t): New type.
4656 (demangle_template_value_parm): Add type_kind_t parameter. Rely
4657 on this paramter, rather than demangling the type again.
4658 (demangle_integral_value): Pass tk_integral.
4659 (demangle_template_: Pass the value returned from do_type.
4660 (do_type): Return a type_kind_t. Pass tk_integral to
4661 demangle_template_value_parm for array bounds.
4662 (demangle_fund_type): Likewise.
4664 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
4666 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
4669 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
4671 * pa.c (move_operand): Accept CONSTANT_P_RTX.
4673 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
4675 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
4677 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
4680 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
4682 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
4683 (DEBUGGER_ARG_OFFSET): Likewise.
4685 * mn10300.md (movsf): Remove last change. Not needed.
4687 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
4689 * c-lex.c (yylex): Fix boundary conditions in character literal and
4690 string literal loops.
4692 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
4694 * longlong.h (count_leading_zeros): Sparclite scan instruction was
4695 being invoked incorrectly.
4697 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
4698 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
4700 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
4701 * configure.in: Added i[34567]86-*-win32
4702 * config.sub: Ditto.
4703 * configure: Rebuilt.
4705 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
4707 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
4708 the frame pointer and compiling PIC code and reload has not completed.
4710 * i386.c (output_to_reg): Add code to emulate non-popping DImode
4713 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
4715 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
4717 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4719 * Makefile.in (install-info): Only try to update the info
4720 directory file if it exists in the first place.
4722 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
4724 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
4726 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
4728 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
4729 CONST_DOUBLE source.
4731 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
4733 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
4734 strings as the insertion of USER_LABEL_PREFIX.
4735 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
4737 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
4740 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
4742 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
4743 already defined type.
4745 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
4747 * expr.c (check_max_integer_computation_mode): Allow conversions
4748 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
4749 (expand_expr): Likewise.
4751 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4753 * expr.c (expand_expr): Expand RETURN_EXPR.
4755 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
4757 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
4759 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
4761 * dwarf2out.c (output_aranges): Call stripattributes
4762 for TEXT_SECTION references.
4763 (output_line_info): Likewise.
4765 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4767 * profile.c (branch_prob): Call allocate_reg_info after outputting
4768 profile rtl in instrument_arcs.
4770 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
4772 * fixinc.irix (math.h): Install wrapper instead of copying.
4774 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4776 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
4777 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
4778 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
4779 lang_flag_0. Added documentation in the flag table.
4781 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
4783 * cccp.c (do_include): Fix vax c style include handling.
4785 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4787 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
4789 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
4791 * fold-const.c (non_lvalue): Don't deal with null pointer
4793 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4795 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
4797 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
4798 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
4799 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
4800 (u_short_cint_operand): Same.
4801 (reg_or_cint_operand): Same.
4802 (logical_operand): Same.
4803 (input_operand): Same.
4804 (reg_or_short_operand): Use u_short_cint_operand.
4806 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
4808 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
4809 but keep the insns and splits. Adjust so when the ultimate destination
4810 is memory, use cvtql.
4812 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
4814 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
4816 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
4818 * gcc.c (do_spec): Call "error" not "warning".
4820 * configure.in: Fix minor problems with gas feature detection code.
4821 * configure: Rebuilt.
4823 * gcc.c (do_spec): Issue a warning for '%[]' usage.
4826 * gcc.c: Delete %[spec] support.
4827 (do_spec_1, case '('): Likewise.
4828 (do_spec_1, case '['): Call error.
4830 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
4832 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
4833 (CPP_SUBTARGET_SPEC): Default to empty string.
4834 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
4835 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
4836 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
4837 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
4839 * alpha/linux.h (CPP_PREDEFINES): Tidy.
4840 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
4841 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
4842 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
4843 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
4844 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
4845 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
4846 * alpha/vxworks.h: Likewise.
4848 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
4850 * mips.md (reload_outsi): Added missing REGNO call.
4851 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
4853 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
4854 another match_operator and compare the codes.
4856 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
4858 * MIPS multiply pattern fixes:
4859 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4860 Add union classes for HI, LO, or HILO plus general registers.
4861 (GENERATE_MADD): Deleted.
4862 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
4863 Add TARGET_MAD to condition.
4864 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
4865 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
4866 "*d" for accumulator, to give preference to LO initially but not
4869 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
4871 * configure.in (enable_c_mbchar): New configure option.
4872 (extra_cpp_objs): Always available now.
4874 * cexp.y (mbchar.h): #include it.
4875 (yylex): Handle Multibyte characters in character literals.
4877 * cccp.c (mbchar.h): #include it.
4878 (main): Set character set based on LANG environment variable.
4879 (rescan): Handle multibyte characters in comments.
4880 (skip_if_group): See above.
4881 (validate_else): See above.
4882 (skip_to_end_of_comment): See above.
4883 (macarg1): See above.
4884 (discard_comments): See above.
4885 (rescan): Handle multibyte characters in string and character literals.
4886 (collect_expansion): See above.
4887 (skip_quoted_string): See above.
4888 (macroexpand): See above.
4889 (macarg1): See above.
4890 (discard_comments): See above.
4891 (change_newlines): See above.
4893 * c-lex.c (mbchar.h): #include it.
4894 (GET_ENVIRONMENT): New macro.
4895 (init_lex): Set character set based on LANG environment variable.
4896 (yylex): Handle multibyte characters in character literals.
4897 (yylex): Handle multibyte characters in string literals.
4899 * Makefile.in (mbchar.o): New target.
4900 (cccp$(exeext)): @extra_cpp_objs@ is always available.
4901 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
4903 * mbchar.[ch]: New files for multibyte character handling.
4905 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4907 * jump.c (jump_optimize): When simplifying noop moves and
4908 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
4909 the PUSHes to rewrite in second loop as we did in the first.
4911 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4913 * cplus-dem.c (demangle_nested_args): Make function definition
4914 static to match the prototype.
4916 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
4918 * alloca.c: Respect USE_C_ALLOCA.
4919 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
4920 * gengenrtl.c (xmalloc): Likewise.
4922 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
4924 * loop.h (struct induction): Add no_const_addval.
4925 * loop.c (the_movables, reg_address_cost): New variables.
4926 (init_loop): Init reg_address_cost.
4927 (loop_optimize): Call end_alias_analysis.
4928 (scan_loop): Init the_movables.
4929 (record_giv): Init induction->no_const_addval.
4930 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
4931 [REG]: Rearrange loop search test to catch more cases.
4932 (general_induction_var): Return success not benefit; take an extra
4933 argument for that. Change all callers.
4934 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
4935 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
4936 [default]: Search the_movables for additional combinations.
4937 (sge_plus_constant, sge_plus): New functions.
4938 (express_from_1): New function.
4939 (express_from): Always define. Rewrite using express_from_1.
4940 (combine_givs_p): Handle more cases. Ignore address cost.
4941 (cmp_combine_givs_stats): New function.
4942 (combine_givs_used_once, combine_givs_benefit_from): New functions.
4943 (combine_givs): Rewrite to do best-fit combination.
4945 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
4946 (fold): Do a complete (A*C)+(B*C) association check.
4948 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
4950 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
4952 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
4954 * mn10300.c (MODES_TIEABLE_P): Fix typo.
4956 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
4958 * tree.c (valid_machine_attribute): Only create a new type variant if
4959 there is a decl to use it.
4961 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
4963 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
4966 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
4968 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
4971 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
4973 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
4974 Simplify tests for clearing an address register.
4975 (expand_prologue): Corresponding changes.
4977 * mn10300.md (movXX patterns): Make sure the destination is an
4978 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
4979 (logical patterns): Split into expanders + patterns
4980 (zero and sign extension patterns): Similarly.
4981 (shift patterns): Similarly.
4983 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
4985 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
4986 for the sequence, recording base values.
4988 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
4990 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
4992 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
4994 * gcc.c: Remove ANSI-C ism from --help code.
4996 * toplev.c: Support --help with USE_CPPLIB.
4998 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5000 * configure.in: Rework gas feature code to work with symlink based
5003 * extend.texi: Clarify some issues related to local variables
5004 assigned to explicit registers.
5006 * mn10300.md (mulsi): Turn into expander + pattern.
5008 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5011 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5013 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5015 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5017 * version.c: Bump again to distinguish mainline tree from the
5020 See ChangeLog.0 for earlier changes.
5023 add-log-time-format: current-time-string
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